/* ========================================
   影子 ShadowLens - 极简摄影社区
   ======================================== */

/* Reset & Base */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --color-bg: #0a0a0a;
  --color-bg-alt: #111;
  --color-text: #f5f5f5;
  --color-text-light: #aaa;
  --color-text-muted: #666;
  --color-border: #222;
  --color-accent: #8b7355;
  --color-accent-light: #c4a882;

  --font-serif: 'Noto Serif SC', 'Georgia', serif;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  --transition-smooth: cubic-bezier(0.16, 1, 0.3, 1);
  --transition-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  background-color: var(--color-bg);
  color: var(--color-text);
  overflow-x: hidden;
  line-height: 1.6;
}

/* Selection */
::selection {
  background: rgba(139, 115, 85, 0.3);
  color: var(--color-text);
}

/* ========================================
   Navigation
   ======================================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 1.5rem 3rem;
  transition: all 0.6s var(--transition-smooth);
  transform: translateY(-100%);
  opacity: 0;
  background: rgba(10, 10, 10, 0.85);
  backdrop-filter: blur(20px) saturate(1.2);
  -webkit-backdrop-filter: blur(20px) saturate(1.2);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.navbar.visible {
  transform: translateY(0);
  opacity: 1;
}

.nav-content {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  text-decoration: none;
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  transition: opacity 0.3s ease;
}

.logo:hover {
  opacity: 0.7;
}

.logo-cn {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 300;
  letter-spacing: 0.2em;
  color: #fff;
}

.logo-divider {
  color: rgba(255,255,255,0.15);
  font-weight: 200;
}

.logo-en {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 300;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.5);
}

/* Nav Links */
.nav-links {
  display: flex;
  gap: 2.5rem;
}

.nav-link {
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 400;
  color: rgba(255,255,255,0.6);
  text-decoration: none;
  letter-spacing: 0.1em;
  transition: color 0.3s ease;
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: #fff;
  transition: width 0.3s ease;
}

.nav-link:hover {
  color: #fff;
}

.nav-link:hover::after {
  width: 100%;
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-login {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 400;
  color: #fff;
  text-decoration: none;
  letter-spacing: 0.1em;
  padding: 0.5rem 1.5rem;
  border: 1px solid rgba(255,255,255,0.2);
  transition: all 0.4s var(--transition-smooth);
  border-radius: 50px;
  position: relative;
  overflow: hidden;
}

.nav-login::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-light));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s var(--transition-smooth);
  z-index: -1;
}

.nav-login:hover {
  color: #fff;
  border-color: var(--color-accent);
  box-shadow: 0 0 20px rgba(139,115,85,0.2);
}

.nav-login:hover::before {
  transform: scaleX(1);
}

.lang-switch {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.lang-btn {
  background: none;
  border: none;
  font-family: var(--font-sans);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: rgba(255,255,255,0.4);
  cursor: pointer;
  padding: 0.25rem;
  transition: color 0.3s ease;
}

.lang-btn:hover,
.lang-btn.active {
  color: #fff;
}

.lang-divider {
  color: rgba(255,255,255,0.15);
  font-size: 0.75rem;
}

/* ========================================
   Hero Section - Cinematic
   ======================================== */
.hero {
  height: 100vh;
  min-height: 700px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  position: relative;
  overflow: hidden;
  background: #0a0a0a;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.15);
  transition: transform 15s ease;
  opacity: 0.7;
}

.hero:hover .hero-bg-img {
  transform: scale(1);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at center, transparent 40%, rgba(10,10,10,0.6) 100%),
    linear-gradient(
      180deg,
      rgba(10,10,10,0.3) 0%,
      rgba(10,10,10,0.1) 40%,
      rgba(10,10,10,0.4) 70%,
      rgba(10,10,10,0.8) 100%
    );
  z-index: 1;
}

.hero-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 2;
  pointer-events: none;
  opacity: 0.5;
}

.hero-gradient-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 50%, #1a1a1a 100%);
}

.hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60%;
  height: 200px;
  background: radial-gradient(ellipse, rgba(139,115,85,0.15) 0%, transparent 70%);
  pointer-events: none;
  z-index: 1;
}

.hero-layers {
  position: relative;
  height: 100vh;
  overflow: hidden;
}

.hero-content {
  text-align: center;
  z-index: 3;
  will-change: transform;
}

.hero-title {
  margin-bottom: 2.5rem;
}

.title-cn {
  display: block;
  font-family: var(--font-serif);
  font-size: clamp(2.5rem, 6vw, 5rem);
  font-weight: 200;
  letter-spacing: 0.25em;
  margin-bottom: 1rem;
  color: #fff;
  text-shadow: 0 2px 40px rgba(0,0,0,0.3);
}

.title-en {
  display: block;
  font-family: var(--font-sans);
  font-size: clamp(0.7rem, 1.2vw, 0.875rem);
  font-weight: 300;
  letter-spacing: 0.6em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.5);
}

.hero-subtitle {
  font-family: var(--font-serif);
  font-size: clamp(0.875rem, 1.2vw, 1.1rem);
  font-weight: 300;
  color: rgba(255,255,255,0.6);
  letter-spacing: 0.2em;
  margin-bottom: 3.5rem;
}

.hero-btn {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 400;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: #fff;
  text-decoration: none;
  padding: 1.1rem 3.5rem;
  border: 1px solid rgba(255,255,255,0.2);
  transition: all 0.6s var(--transition-smooth);
  position: relative;
  overflow: hidden;
  background: transparent;
}

.hero-btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-light));
  transform: translateX(-101%);
  transition: transform 0.6s var(--transition-smooth);
}

.hero-btn::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: rgba(139,115,85,0.3);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: width 0.6s ease, height 0.6s ease;
}

.hero-btn:hover {
  color: #fff;
  border-color: var(--color-accent);
  box-shadow: 0 0 30px rgba(139,115,85,0.3), 0 0 60px rgba(139,115,85,0.1);
  transform: translateY(-2px);
  letter-spacing: 0.35em;
}

.hero-btn:hover::before {
  transform: translateX(0);
}

.hero-btn:hover::after {
  width: 300px;
  height: 300px;
  opacity: 0;
}

.hero-btn span {
  position: relative;
  z-index: 1;
}

.hero-btn span {
  position: relative;
  z-index: 1;
}

.scroll-hint {
  position: absolute;
  bottom: 3rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 4;
}

.scroll-line {
  width: 1px;
  height: 60px;
  background: linear-gradient(to bottom, transparent, rgba(255,255,255,0.4));
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; transform: scaleY(0.8); }
  50% { opacity: 1; transform: scaleY(1); }
}

/* ========================================
   Gallery Section
   ======================================== */
.gallery {
  padding: 8rem 3rem;
  max-width: 1600px;
  margin: 0 auto;
  background: #0a0a0a;
}

.gallery .section-title {
  color: #fff;
}

.gallery .section-subtitle {
  color: rgba(255,255,255,0.4);
}

.gallery-header {
  text-align: center;
  margin-bottom: 6rem;
}

.gallery-more .more-link {
  color: rgba(255,255,255,0.5);
}

.gallery-more .more-link:hover {
  color: #fff;
}

.gallery-more {
  text-align: center;
  margin-top: 4rem;
}

.more-link {
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 400;
  color: var(--color-text-light);
  text-decoration: none;
  letter-spacing: 0.1em;
  transition: color 0.3s ease;
}

.more-link:hover {
  color: var(--color-text);
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 300;
  letter-spacing: 0.3em;
  margin-bottom: 0.5rem;
  color: var(--color-text);
}

.section-subtitle {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 300;
  letter-spacing: 0.5em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

/* Masonry Layout */
.masonry {
  columns: 3;
  column-gap: 2rem;
}

.photo-card {
  break-inside: avoid;
  margin-bottom: 2rem;
  position: relative;
  overflow: hidden;
  cursor: pointer;
  border-radius: 4px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.08);
  transition: box-shadow 0.5s var(--transition-smooth),
              transform 0.5s var(--transition-smooth);
}

.photo-card:hover {
  box-shadow: 0 12px 40px rgba(0,0,0,0.18);
  transform: translateY(-4px);
}

.photo-card img {
  width: 100%;
  display: block;
  transition: transform 0.8s var(--transition-smooth),
              filter 0.8s var(--transition-smooth);
  will-change: transform;
}

.photo-card:hover img {
  transform: scale(1.05);
  filter: brightness(1.08) contrast(1.02);
}

.photo-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 3rem 1.5rem 1.5rem;
  background: linear-gradient(to top, rgba(0,0,0,0.6) 0%, rgba(0,0,0,0.2) 60%, transparent 100%);
  opacity: 0;
  transition: opacity 0.5s var(--transition-smooth);
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
}

.photo-card:hover .photo-overlay {
  opacity: 1;
}

.photo-info {
  flex: 1;
}

.photo-title {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-weight: 300;
  color: #fff;
  letter-spacing: 0.12em;
  margin-bottom: 0.25rem;
  text-shadow: 0 1px 3px rgba(0,0,0,0.3);
}

.photo-author {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 300;
  color: rgba(255,255,255,0.75);
  letter-spacing: 0.1em;
}

.photo-likes {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-family: var(--font-sans);
  font-size: 0.75rem;
  color: rgba(255,255,255,0.8);
  letter-spacing: 0.05em;
  white-space: nowrap;
}

.photo-likes svg {
  opacity: 0.8;
}

/* ========================================
   Categories Preview
   ======================================== */
.categories-preview {
  padding: 8rem 3rem;
  background: #0a0a0a;
}

.categories-preview .section-title {
  color: #fff;
}

.categories-preview .section-subtitle {
  color: rgba(255,255,255,0.4);
}

.categories-header {
  text-align: center;
  margin-bottom: 4rem;
}

.categories-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  max-width: 1400px;
  margin: 0 auto;
}

.category-card {
  position: relative;
  aspect-ratio: 3/4;
  overflow: hidden;
  text-decoration: none;
  border-radius: 4px;
  box-shadow: 0 8px 30px rgba(0,0,0,0.3);
  transition: box-shadow 0.5s var(--transition-smooth),
              transform 0.5s var(--transition-smooth);
}

.category-card:hover {
  box-shadow: 0 16px 50px rgba(0,0,0,0.5);
  transform: translateY(-6px) scale(1.02);
}

.category-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s var(--transition-smooth),
              filter 0.8s var(--transition-smooth);
}

.category-card:hover img {
  transform: scale(1.1);
  filter: brightness(1.1);
}

.category-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.7) 0%, rgba(0,0,0,0.1) 50%, rgba(0,0,0,0.2) 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 2rem 1.5rem;
  transition: background 0.5s var(--transition-smooth);
}

.category-card:hover .category-overlay {
  background: linear-gradient(to top, rgba(0,0,0,0.8) 0%, rgba(0,0,0,0.2) 50%, rgba(0,0,0,0.3) 100%);
}

.category-name {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 300;
  color: #fff;
  letter-spacing: 0.25em;
  text-shadow: 0 2px 10px rgba(0,0,0,0.5);
  transform: translateY(5px);
  transition: transform 0.5s var(--transition-smooth);
}

.category-card:hover .category-name {
  transform: translateY(0);
}

.category-name-en {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 300;
  color: rgba(255,255,255,0.7);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-top: 0.5rem;
  opacity: 0;
  transform: translateY(10px);
  transition: all 0.5s var(--transition-smooth) 0.1s;
}

.category-card:hover .category-name-en {
  opacity: 1;
  transform: translateY(0);
}

/* ========================================
   About Section
   ======================================== */
.about {
  padding: 10rem 3rem;
  background: #0a0a0a;
  position: relative;
  overflow: hidden;
}

.about::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(139,115,85,0.08) 0%, transparent 70%);
  transform: translate(-50%, -50%);
  pointer-events: none;
}

.about-content {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
  will-change: transform;
}

.about-glass {
  padding: 4rem;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 12px;
  backdrop-filter: blur(20px);
}

.about .section-title {
  color: #fff;
}

.about .section-subtitle {
  color: rgba(255,255,255,0.4);
}

.about-text {
  font-family: var(--font-serif);
  font-size: clamp(1rem, 1.5vw, 1.25rem);
  font-weight: 300;
  line-height: 2.5;
  color: rgba(255,255,255,0.7);
  margin-top: 3rem;
  letter-spacing: 0.1em;
}

/* ========================================
   Footer
   ======================================== */
.footer {
  padding: 4rem 3rem;
  background: #0a0a0a;
  border-top: 1px solid rgba(255,255,255,0.06);
}

.footer-content {
  max-width: 1400px;
  margin: 0 auto;
  text-align: center;
}

.footer .logo-cn {
  font-size: 1.25rem;
  color: #fff;
}

.footer .logo-en {
  font-size: 0.625rem;
  color: rgba(255,255,255,0.5);
}

.footer .logo-divider {
  color: rgba(255,255,255,0.15);
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-top: 2rem;
}

.footer-links a {
  font-family: var(--font-sans);
  font-size: 0.875rem;
  color: rgba(255,255,255,0.5);
  text-decoration: none;
  letter-spacing: 0.1em;
  transition: color 0.3s ease;
}

.footer-links a:hover {
  color: #fff;
}

.footer-text {
  font-family: var(--font-serif);
  font-size: 0.875rem;
  font-weight: 300;
  color: rgba(255,255,255,0.3);
  margin-top: 2rem;
  letter-spacing: 0.2em;
}

.footer-copyright {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.2);
  margin-top: 1.5rem;
  letter-spacing: 0.1em;
}

/* ========================================
   Loading Animation
   ======================================== */
.loading-screen {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--color-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: opacity 0.8s ease, visibility 0.8s ease;
}

.loading-screen.hidden {
  opacity: 0;
  visibility: hidden;
}

.loading-logo {
  animation: fadeInUp 1s ease forwards;
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ========================================
   Responsive Design
   ======================================== */
@media (max-width: 1024px) {
  .masonry {
    columns: 2;
  }

  .gallery {
    padding: 6rem 2rem;
  }

  .categories-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .navbar {
    padding: 1rem 1.5rem;
  }

  .nav-links {
    display: none;
  }

  .logo-cn {
    font-size: 1.25rem;
  }

  .masonry {
    columns: 1;
    max-width: 600px;
    margin: 0 auto;
  }

  .gallery-header {
    margin-bottom: 4rem;
  }

  .about {
    padding: 6rem 2rem;
  }

  .footer {
    padding: 3rem 1.5rem;
  }

  .hero-btn {
    padding: 0.75rem 2rem;
  }
}

@media (max-width: 480px) {
  .navbar {
    padding: 0.875rem 1rem;
  }

  .logo-divider,
  .logo-en {
    display: none;
  }

  .hero-title {
    margin-bottom: 1.5rem;
  }

  .gallery {
    padding: 4rem 1rem;
  }

  .categories-grid {
    grid-template-columns: 1fr;
  }

  .nav-login {
    display: none;
  }
}

/* ========================================
   Parallax Smoothness
   ======================================== */
[data-parallax] {
  will-change: transform;
  transition: transform 0.1s linear;
}

/* ========================================
   Scroll Reveal Animation
   ======================================== */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s var(--transition-smooth),
              transform 0.8s var(--transition-smooth);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ========================================
   Page Header (for inner pages)
   ======================================== */
.page-header {
  padding: 8rem 3rem 4rem;
  text-align: center;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg);
  position: relative;
  overflow: hidden;
}

.page-header .light-rays::before,
.page-header .light-rays::after {
  background: conic-gradient(
    from 0deg at 50% 0%,
    transparent 0deg,
    rgba(139,115,85,0.04) 10deg,
    transparent 20deg,
    transparent 40deg,
    rgba(139,115,85,0.03) 50deg,
    transparent 60deg,
    transparent 80deg,
    rgba(139,115,85,0.04) 90deg,
    transparent 100deg,
    transparent 120deg,
    rgba(139,115,85,0.03) 130deg,
    transparent 140deg,
    transparent 360deg
  );
}

.page-title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 200;
  letter-spacing: 0.3em;
  margin-bottom: 0.5rem;
}

.page-subtitle {
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 300;
  letter-spacing: 0.3em;
  color: var(--color-text-muted);
}

/* ========================================
   Filter Tabs
   ======================================== */
.filter-tabs {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  padding: 2rem;
  flex-wrap: wrap;
}

.filter-tab {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 400;
  color: var(--color-text-muted);
  text-decoration: none;
  padding: 0.6rem 1.5rem;
  border: 1px solid transparent;
  transition: all 0.4s var(--transition-smooth);
  cursor: pointer;
  background: none;
  border-radius: 50px;
  position: relative;
  overflow: hidden;
}

.filter-tab::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-light));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s var(--transition-smooth);
  z-index: -1;
  border-radius: 50px;
}

.filter-tab:hover,
.filter-tab.active {
  color: #fff;
  border-color: var(--color-accent);
  box-shadow: 0 0 15px rgba(139,115,85,0.2);
}

.filter-tab:hover::before,
.filter-tab.active::before {
  transform: scaleX(1);
}

/* ========================================
   Photo Grid (for explore/category pages)
   ======================================== */
.photo-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  max-width: 1600px;
  margin: 0 auto;
  padding: 4rem 3rem;
}

.photo-grid .photo-card {
  margin-bottom: 0;
}

@media (max-width: 1024px) {
  .photo-grid {
    grid-template-columns: repeat(2, 1fr);
    padding: 3rem 2rem;
  }
}

@media (max-width: 768px) {
  .photo-grid {
    grid-template-columns: 1fr;
    max-width: 600px;
    padding: 2rem 1rem;
  }
}

/* ========================================
   Rankings
   ======================================== */
.rankings-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 4rem 3rem;
}

.ranking-item {
  display: flex;
  align-items: center;
  gap: 2rem;
  padding: 2rem 0;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  transition: all 0.3s ease;
}

.ranking-item:hover {
  background: rgba(255,255,255,0.02);
  padding-left: 1rem;
}

.ranking-number {
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 200;
  color: var(--color-accent);
  min-width: 3rem;
  text-align: center;
}

.ranking-photo {
  width: 120px;
  height: 80px;
  object-fit: cover;
  border-radius: 4px;
}

.ranking-info {
  flex: 1;
}

.ranking-title {
  font-family: var(--font-serif);
  font-size: 1.125rem;
  font-weight: 300;
  margin-bottom: 0.25rem;
}

.ranking-author {
  font-size: 0.875rem;
  color: var(--color-text-light);
}

.ranking-stats {
  display: flex;
  gap: 1.5rem;
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

/* ========================================
   Login Page
   ======================================== */
.login-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  background: var(--color-bg);
}

.login-card {
  width: 100%;
  max-width: 400px;
  text-align: center;
}

.login-logo {
  margin-bottom: 3rem;
}

.login-title {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 300;
  letter-spacing: 0.2em;
  margin-bottom: 0.5rem;
}

.login-subtitle {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-bottom: 2rem;
}

.login-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.login-input {
  font-family: var(--font-sans);
  font-size: 0.875rem;
  padding: 1rem;
  border: 1px solid var(--color-border);
  background: rgba(255,255,255,0.03);
  color: var(--color-text);
  transition: border-color 0.3s ease;
  letter-spacing: 0.05em;
  border-radius: 4px;
}

.login-input:focus {
  outline: none;
  border-color: var(--color-accent);
}

.login-input::placeholder {
  color: var(--color-text-muted);
}

.login-btn {
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 400;
  letter-spacing: 0.2em;
  padding: 1rem;
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-light));
  color: #fff;
  border: none;
  cursor: pointer;
  transition: all 0.4s var(--transition-smooth);
  border-radius: 50px;
  position: relative;
  overflow: hidden;
}

.login-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: left 0.5s ease;
}

.login-btn:hover {
  box-shadow: 0 4px 30px rgba(139,115,85,0.4), 0 0 60px rgba(139,115,85,0.1);
  transform: translateY(-3px);
  letter-spacing: 0.25em;
}

.login-btn:hover::before {
  left: 100%;
}

.login-link {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-top: 2rem;
}

.login-link a {
  color: var(--color-text);
  text-decoration: none;
}

.login-link a:hover {
  text-decoration: underline;
}

.login-error {
  color: #c53030;
  font-size: 0.8125rem;
  margin-bottom: 1rem;
  min-height: 1.25rem;
  text-align: center;
}

.logged-avatar {
  width: 90px;
  height: 90px;
  border-radius: 50%;
  background: var(--color-bg-alt);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 200;
  color: var(--color-text-muted);
  margin: 2rem auto;
}

.logged-stats {
  display: flex;
  justify-content: center;
  gap: 3rem;
  margin: 2rem 0;
}

.logged-actions {
  text-align: center;
}

/* User Tag Input */
.user-tag-input-wrap {
  display: flex;
  gap: 0.5rem;
  margin-top: 1rem;
}

.user-tag-input {
  flex: 1;
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--color-border);
  background: transparent;
  color: var(--color-text);
  transition: border-color 0.3s ease;
  letter-spacing: 0.05em;
}

.user-tag-input:focus {
  outline: none;
  border-color: var(--color-text);
}

.user-tag-input::placeholder {
  color: var(--color-text-muted);
}

.user-tag-btn {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  padding: 0.5rem 1rem;
  background: var(--color-text);
  color: var(--color-bg);
  border: none;
  cursor: pointer;
  transition: opacity 0.3s ease;
  white-space: nowrap;
}

.user-tag-btn:hover {
  opacity: 0.85;
}

.tag-remove {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 14px;
  height: 14px;
  margin-left: 4px;
  font-size: 0.625rem;
  cursor: pointer;
  opacity: 0.5;
  transition: opacity 0.3s ease;
}

.tag-remove:hover {
  opacity: 1;
}

.user-tag {
  background: rgba(0,0,0,0.04);
}

/* ========================================
   Upload Zone (Avatar/Cover)
   ======================================== */
.upload-zone {
  position: relative;
  border: 2px dashed var(--color-border);
  border-radius: 8px;
  overflow: hidden;
  cursor: pointer;
  transition: border-color 0.3s ease, background 0.3s ease;
  background: rgba(0,0,0,0.02);
}

.upload-zone:hover {
  border-color: var(--color-accent);
  background: rgba(139,115,85,0.04);
}

.upload-zone.drag-over {
  border-color: var(--color-accent);
  background: rgba(139,115,85,0.08);
}

.upload-file-input {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
  z-index: 3;
}

.upload-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 2rem;
  color: var(--color-text-muted);
  font-size: 0.8125rem;
  letter-spacing: 0.05em;
}

.upload-placeholder svg {
  opacity: 0.4;
}

.upload-hint {
  font-size: 0.6875rem;
  opacity: 0.6;
}

.upload-preview {
  display: none;
  position: relative;
}

.upload-preview img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  display: block;
}

.upload-preview::after {
  content: '点击更换';
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.5);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8125rem;
  letter-spacing: 0.1em;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.upload-preview:hover::after {
  opacity: 1;
}

.upload-zone.has-file .upload-placeholder {
  display: none;
}

.upload-zone.has-file .upload-preview {
  display: block;
}

.avatar-upload-zone {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  margin: 0 auto;
}

.avatar-upload-zone .upload-placeholder {
  padding: 1rem;
}

.avatar-upload-zone .upload-preview img {
  height: 100%;
  border-radius: 50%;
}

.avatar-upload-zone .upload-preview::after {
  border-radius: 50%;
}

/* ========================================
   Post Creation Page
   ======================================== */
.post-page {
  min-height: 100vh;
  padding: 8rem 2rem 4rem;
  display: flex;
  justify-content: center;
}

.post-container {
  width: 100%;
  max-width: 640px;
}

.post-header {
  text-align: center;
  margin-bottom: 3rem;
}

.post-title-text {
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 300;
  letter-spacing: 0.15em;
  color: var(--color-text);
  margin-bottom: 0.5rem;
}

.post-subtitle-text {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 300;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.post-form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.post-field {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.post-label {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.post-input,
.post-textarea,
.post-select {
  font-family: var(--font-sans);
  font-size: 0.9rem;
  color: var(--color-text);
  background: transparent;
  border: 1px solid var(--color-border);
  padding: 0.75rem 1rem;
  outline: none;
  transition: border-color 0.3s ease;
  width: 100%;
  box-sizing: border-box;
}

.post-input:focus,
.post-textarea:focus,
.post-select:focus {
  border-color: var(--color-accent);
}

.post-textarea {
  resize: vertical;
  min-height: 80px;
}

.post-select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23999' stroke-width='1.5'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}

.post-select option {
  background: var(--color-bg);
  color: var(--color-text);
}

.post-row {
  display: flex;
  gap: 1rem;
}

.post-field-half {
  flex: 1;
}

.upload-area {
  border: 2px dashed var(--color-border);
  border-radius: 4px;
  padding: 3rem 2rem;
  text-align: center;
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.upload-area:hover {
  border-color: var(--color-accent);
}

.upload-area.drag-over {
  border-color: var(--color-accent);
  background: rgba(139,115,85,0.05);
}

.upload-icon {
  margin-bottom: 1rem;
  color: var(--color-text-muted);
}

.upload-text {
  font-family: var(--font-sans);
  font-size: 0.9rem;
  color: var(--color-text);
  margin-bottom: 0.5rem;
}

.upload-hint {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

.upload-preview {
  position: relative;
  display: none;
}

.upload-preview img {
  max-width: 100%;
  max-height: 400px;
  object-fit: contain;
  border-radius: 2px;
}

.upload-remove {
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(0,0,0,0.6);
  color: #fff;
  border: none;
  cursor: pointer;
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.3s ease;
}

.upload-remove:hover {
  background: rgba(220,50,50,0.8);
}

.tag-input-wrap {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tag-list .tag {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.3rem 0.7rem;
  border: 1px solid var(--color-border);
  border-radius: 20px;
  font-size: 0.75rem;
  color: var(--color-text);
  cursor: default;
}

.tag-list .tag-remove {
  cursor: pointer;
  opacity: 0.5;
  transition: opacity 0.3s ease;
  font-size: 0.9rem;
  line-height: 1;
}

.tag-list .tag-remove:hover {
  opacity: 1;
}

.post-actions {
  display: flex;
  gap: 1rem;
  justify-content: flex-end;
  margin-top: 1rem;
}

@media (max-width: 768px) {
  .post-page {
    padding: 6rem 1rem 3rem;
  }

  .post-row {
    flex-direction: column;
  }

  .upload-area {
    padding: 2rem 1rem;
  }
}

/* Nav user state */
.nav-user {
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  color: var(--color-text);
  text-decoration: none;
  letter-spacing: 0.05em;
  transition: opacity 0.3s ease;
}

.nav-user:hover {
  opacity: 0.7;
}

/* ========================================
   Search Toggle in Navbar
   ======================================== */
.search-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  color: rgba(255,255,255,0.6);
  text-decoration: none;
  transition: color 0.3s ease;
  cursor: pointer;
  background: none;
  border: none;
  padding: 0;
}

.search-toggle:hover {
  color: #fff;
}

/* ========================================
   Search Page
   ======================================== */
.search-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 8rem 3rem 4rem;
}

.search-box {
  text-align: center;
  margin-bottom: 3rem;
}

.search-input-wrap {
  position: relative;
  max-width: 600px;
  margin: 0 auto;
}

.search-input {
  width: 100%;
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 300;
  padding: 1.5rem 0;
  border: none;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  background: transparent;
  color: var(--color-text);
  text-align: center;
  letter-spacing: 0.1em;
  transition: border-color 0.3s ease;
}

.search-input:focus {
  outline: none;
  border-color: var(--color-accent);
}

.search-input::placeholder {
  color: var(--color-text-muted);
}

.search-count {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-bottom: 2rem;
  letter-spacing: 0.1em;
}

.search-empty {
  text-align: center;
  padding: 4rem 0;
  color: var(--color-text-muted);
  font-family: var(--font-serif);
  font-size: 1.125rem;
  font-weight: 300;
}

.search-history {
  max-width: 600px;
  margin: 0 auto;
}

.search-history-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.search-history-clear {
  background: none;
  border: none;
  color: var(--color-text-muted);
  cursor: pointer;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  transition: color 0.3s ease;
}

.search-history-clear:hover {
  color: var(--color-text);
}

.search-history-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

/* ========================================
   Tags
   ======================================== */
.tag {
  display: inline-block;
  padding: 4px 14px;
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 20px;
  font-family: var(--font-sans);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--color-text-light);
  text-decoration: none;
  transition: all 0.3s ease;
}

.tag:hover {
  background: var(--color-accent);
  color: #fff;
  border-color: var(--color-accent);
}

.photo-detail-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 1px solid var(--color-border);
}

.photo-detail-desc {
  font-size: 0.9375rem;
  color: var(--color-text-light);
  margin-top: 0.75rem;
  line-height: 1.8;
}

/* Tags Page */
.tags-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 4rem 3rem;
}

.tags-header {
  text-align: center;
  margin-bottom: 3rem;
  padding-top: 4rem;
}

.tags-back {
  display: inline-block;
  font-size: 0.875rem;
  color: var(--color-text-muted);
  text-decoration: none;
  margin-bottom: 2rem;
  letter-spacing: 0.1em;
  transition: color 0.3s ease;
}

.tags-back:hover {
  color: var(--color-text);
}

.tags-cloud {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
  padding: 2rem 0;
}

.tag-cloud-item {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1.25rem;
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 30px;
  font-family: var(--font-serif);
  font-weight: 300;
  color: var(--color-text);
  text-decoration: none;
  transition: all 0.3s ease;
  letter-spacing: 0.05em;
}

.tag-cloud-item:hover {
  background: var(--color-accent);
  color: #fff;
  border-color: var(--color-accent);
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(139,115,85,0.2);
}

.tag-count {
  font-family: var(--font-sans);
  font-size: 0.625rem;
  color: var(--color-text-muted);
  margin-left: 0.25rem;
}

.tag-cloud-item:hover .tag-count {
  color: rgba(255,255,255,0.6);
}

/* ========================================
   Vintage / Old Photos Category
   ======================================== */
.vintage-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 4rem 3rem;
}

.vintage-header {
  text-align: center;
  padding: 6rem 3rem 4rem;
  background: linear-gradient(135deg, #1a1510 0%, #2a2015 50%, #1a1510 100%);
  border-bottom: 1px solid rgba(139,115,85,0.2);
  position: relative;
  overflow: hidden;
}

.vintage-header .page-title {
  color: #f5e6d3;
}

.vintage-header .page-subtitle {
  color: rgba(196,168,130,0.6);
}

.vintage-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.5rem;
  padding: 2rem 0;
}

.vintage-card {
  background: #1a1510;
  padding: 12px;
  box-shadow: 2px 4px 12px rgba(0,0,0,0.3);
  transition: transform 0.5s var(--transition-smooth),
              box-shadow 0.5s var(--transition-smooth);
  cursor: pointer;
  position: relative;
  border-radius: 4px;
}

.vintage-card:hover {
  transform: rotate(0deg) !important;
  box-shadow: 4px 8px 24px rgba(0,0,0,0.25);
}

.vintage-photo-wrap {
  position: relative;
  overflow: hidden;
  line-height: 0;
}

.vintage-photo-wrap img {
  width: 100%;
  display: block;
  filter: sepia(0.3) contrast(1.05) brightness(0.95);
  transition: filter 0.5s ease;
}

.vintage-card:hover .vintage-photo-wrap img {
  filter: sepia(0.15) contrast(1.1) brightness(1);
}

.vintage-grain {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  pointer-events: none;
  opacity: 0.08;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
  background-size: 128px;
}

.vintage-info {
  padding: 0.75rem 0.25rem 0.25rem;
}

.vintage-title {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 400;
  color: #f5e6d3;
  letter-spacing: 0.1em;
  margin-bottom: 0.25rem;
}

.vintage-author {
  font-size: 0.75rem;
  color: rgba(196,168,130,0.7);
  letter-spacing: 0.05em;
}

.vintage-date {
  font-size: 0.625rem;
  color: rgba(196,168,130,0.4);
  margin-top: 0.25rem;
  letter-spacing: 0.05em;
}

/* ========================================
   Photographer 3D Profile
   ======================================== */
.photographer-header {
  position: relative;
  padding: 8rem 3rem 4rem;
  text-align: center;
  background-size: cover;
  background-position: center;
  overflow: hidden;
}

.photographer-cover-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 0;
}

.theme-light .photographer-cover-overlay {
  background: rgba(250, 250, 250, 0.8);
  backdrop-filter: blur(20px);
}

.theme-dark .photographer-cover-overlay {
  background: rgba(26, 26, 26, 0.75);
  backdrop-filter: blur(20px);
}

.photographer-header > *:not(.photographer-cover-overlay) {
  position: relative;
  z-index: 1;
}

.theme-dark .photographer-name,
.theme-dark .photographer-bio,
.theme-dark .stat-number,
.theme-dark .stat-label {
  color: #f5f5f5;
}

.theme-dark .photographer-tag {
  color: rgba(255,255,255,0.7);
  border-color: rgba(255,255,255,0.2);
}

.theme-dark .photographer-tag:hover {
  background: #fff;
  color: #1a1a1a;
  border-color: #fff;
}

.photographer-3d-wrap {
  perspective: 800px;
  display: inline-block;
  margin-bottom: 2rem;
}

.photographer-avatar {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  overflow: hidden;
  transform: rotateY(-5deg) rotateX(3deg);
  transition: transform 0.6s var(--transition-smooth);
  box-shadow: 0 20px 40px rgba(0,0,0,0.15);
}

.photographer-avatar:hover {
  transform: rotateY(5deg) rotateX(-3deg) scale(1.05);
}

.photographer-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.photographer-name {
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 300;
  letter-spacing: 0.2em;
  margin-bottom: 0.5rem;
}

.photographer-bio {
  font-size: 1rem;
  color: var(--color-text-light);
  max-width: 500px;
  margin: 0 auto 1.5rem;
  line-height: 1.8;
}

.photographer-tags {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  margin-bottom: 2rem;
}

.photographer-tag {
  display: inline-block;
  padding: 4px 14px;
  border: 1px solid var(--color-border);
  border-radius: 20px;
  font-size: 0.75rem;
  color: var(--color-text-muted);
  letter-spacing: 0.1em;
  transition: all 0.3s ease;
}

.photographer-tag:hover {
  background: var(--color-text);
  color: var(--color-bg);
  border-color: var(--color-text);
}

.photographer-stats {
  display: flex;
  justify-content: center;
  gap: 3rem;
  margin-bottom: 2rem;
}

.stat-item {
  text-align: center;
}

.stat-number {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 300;
  color: var(--color-text);
}

.stat-label {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  letter-spacing: 0.1em;
  margin-top: 0.25rem;
}

.photographer-actions {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1.5rem;
}

.follow-btn {
  font-family: var(--font-sans);
  font-size: 0.875rem;
  letter-spacing: 0.15em;
  padding: 0.75rem 2rem;
  background: var(--color-text);
  color: var(--color-bg);
  border: none;
  cursor: pointer;
  transition: opacity 0.3s ease;
}

.follow-btn:hover {
  opacity: 0.9;
}

.theme-dark .follow-btn {
  background: #fff;
  color: #1a1a1a;
}

.layout-switch {
  display: flex;
  gap: 0.25rem;
}

.layout-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: none;
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  cursor: pointer;
  transition: all 0.3s ease;
}

.layout-btn.active,
.layout-btn:hover {
  color: var(--color-text);
  border-color: var(--color-text);
}

.layout-list {
  grid-template-columns: 1fr !important;
  max-width: 800px;
  margin: 0 auto;
}

.layout-list .photo-card {
  display: grid;
  grid-template-columns: 300px 1fr;
}

.layout-list .photo-card img {
  aspect-ratio: 3/2 !important;
}

.layout-list .photo-overlay {
  position: relative;
  opacity: 1;
  background: none;
  padding: 2rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.layout-list .photo-title {
  color: var(--color-text);
  font-size: 1.25rem;
}

.layout-list .photo-author {
  color: var(--color-text-muted);
}

/* ========================================
   Action Button Liked State
   ======================================== */
.action-btn.liked {
  background: var(--color-text);
  color: var(--color-bg);
  border-color: var(--color-text);
}

/* ========================================
   Vintage Responsive
   ======================================== */
@media (max-width: 1024px) {
  .vintage-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .vintage-grid {
    grid-template-columns: 1fr;
    max-width: 500px;
    margin: 0 auto;
  }

  .vintage-header {
    padding: 6rem 1.5rem 3rem;
  }

  .photographer-header {
    padding: 6rem 1.5rem 3rem;
  }

  .photographer-stats {
    gap: 2rem;
  }

  .search-container {
    padding: 6rem 1.5rem 2rem;
  }

  .search-input {
    font-size: 1.125rem;
  }

  .tags-container {
    padding: 2rem 1.5rem;
  }
}

@media (max-width: 480px) {
  .photographer-avatar {
    width: 90px;
    height: 90px;
  }

  .photographer-name {
    font-size: 1.5rem;
  }
}

/* ========================================
   Per-Category Visual Styles
   ======================================== */

/* -- Landscape: Cool blue-green, vast feeling -- */
[data-category="landscape"],
.category-page[data-cat="landscape"] {
  --cat-primary: #2d5a3d;
  --cat-accent: #4a8c6f;
  --cat-bg: #f0f5f2;
  --cat-gradient: linear-gradient(135deg, #e8f0eb 0%, #d4e5dc 50%, #c2d9cc 100%);
}

[data-category="landscape"] .photo-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(45, 90, 61, 0.08) 100%);
  pointer-events: none;
  z-index: 1;
}

/* -- Portrait: Warm amber, intimate -- */
[data-category="portrait"],
.category-page[data-cat="portrait"] {
  --cat-primary: #8b6914;
  --cat-accent: #c4993d;
  --cat-bg: #faf6ee;
  --cat-gradient: linear-gradient(135deg, #f8f2e4 0%, #f0e6d0 50%, #e8dac0 100%);
}

[data-category="portrait"] .photo-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(139, 105, 20, 0.06) 100%);
  pointer-events: none;
  z-index: 1;
}

/* -- Street: Urban grey-blue, gritty -- */
[data-category="street"],
.category-page[data-cat="street"] {
  --cat-primary: #3a4a5c;
  --cat-accent: #5a7a9a;
  --cat-bg: #f2f4f7;
  --cat-gradient: linear-gradient(135deg, #e8ecf0 0%, #d8dfe6 50%, #c8d2dc 100%);
}

[data-category="street"] .photo-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(58, 74, 92, 0.08) 100%);
  pointer-events: none;
  z-index: 1;
}

/* -- Nature: Forest green, organic -- */
[data-category="nature"],
.category-page[data-cat="nature"] {
  --cat-primary: #2d4a2d;
  --cat-accent: #5a8a5a;
  --cat-bg: #f2f7f2;
  --cat-gradient: linear-gradient(135deg, #e5f0e5 0%, #d0e5d0 50%, #bbd9bb 100%);
}

[data-category="nature"] .photo-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(45, 74, 45, 0.08) 100%);
  pointer-events: none;
  z-index: 1;
}

/* -- Architecture: Steel blue, structured -- */
[data-category="architecture"],
.category-page[data-cat="architecture"] {
  --cat-primary: #4a4a5c;
  --cat-accent: #7a7a9a;
  --cat-bg: #f4f3f7;
  --cat-gradient: linear-gradient(135deg, #eceaf2 0%, #dddbe6 50%, #ceccd9 100%);
}

/* -- Night: Deep indigo, luminous -- */
[data-category="night"],
.category-page[data-cat="night"] {
  --cat-primary: #1a1a3e;
  --cat-accent: #3a3a7a;
  --cat-bg: #f0f0f5;
  --cat-gradient: linear-gradient(135deg, #e0e0f0 0%, #d0d0e5 50%, #c0c0d9 100%);
}

[data-category="night"] .photo-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(26, 26, 62, 0.12) 100%);
  pointer-events: none;
  z-index: 1;
}

/* -- Travel: Warm terracotta, adventurous -- */
[data-category="travel"],
.category-page[data-cat="travel"] {
  --cat-primary: #7a4a2d;
  --cat-accent: #b07040;
  --cat-bg: #f8f3ee;
  --cat-gradient: linear-gradient(135deg, #f5ece3 0%, #eaddd0 50%, #dfcebd 100%);
}

/* -- Abstract: Deep purple, ethereal -- */
[data-category="abstract"],
.category-page[data-cat="abstract"] {
  --cat-primary: #4a2d6a;
  --cat-accent: #7a5a9a;
  --cat-bg: #f5f0f8;
  --cat-gradient: linear-gradient(135deg, #ede5f5 0%, #ddd0ea 50%, #cdbcdf 100%);
}

/* -- Vintage: Warm sepia, nostalgic -- */
[data-category="vintage"],
.category-page[data-cat="vintage"] {
  --cat-primary: #6b5a3e;
  --cat-accent: #9a8a6a;
  --cat-bg: #f8f3ea;
  --cat-gradient: linear-gradient(135deg, #f5ece0 0%, #eadcc8 50%, #dfccb0 100%);
}

[data-category="vintage"] .photo-card img {
  filter: sepia(0.15) saturate(0.9);
}

/* -- Minimal: Near-black, stark -- */
[data-category="minimal"],
.category-page[data-cat="minimal"] {
  --cat-primary: #1a1a1a;
  --cat-accent: #4a4a4a;
  --cat-bg: #f8f8f8;
  --cat-gradient: linear-gradient(135deg, #f0f0f0 0%, #e5e5e5 50%, #dadada 100%);
}

/* -- Film: Warm amber-brown, analog -- */
[data-category="film"],
.category-page[data-cat="film"] {
  --cat-primary: #5c4a2d;
  --cat-accent: #8a7040;
  --cat-bg: #f7f2e8;
  --cat-gradient: linear-gradient(135deg, #f0e8d8 0%, #e5d8c0 50%, #d9c8a8 100%);
}

[data-category="film"] .photo-card img {
  filter: sepia(0.2) saturate(0.85) contrast(1.05);
}

/* ========================================
   Category Page Header Styles
   ======================================== */
.category-hero {
  position: relative;
  min-height: 40vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 8rem 2rem 4rem;
  overflow: hidden;
}

.category-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--cat-gradient, linear-gradient(135deg, #f0f0f0, #e0e0e0));
  opacity: 0.6;
}

/* Ambient light pulse behind category hero */
.category-hero::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--cat-glow, rgba(139,115,85,0.15)) 0%, transparent 70%);
  transform: translate(-50%, -50%);
  pointer-events: none;
  z-index: 0;
  animation: ambientPulse 6s ease-in-out infinite alternate;
}

@keyframes ambientPulse {
  0% { opacity: 0.3; transform: translate(-50%, -50%) scale(0.8); }
  100% { opacity: 0.6; transform: translate(-50%, -50%) scale(1.2); }
}

.category-hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
}

.category-hero-title {
  font-family: var(--font-serif);
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  font-weight: 200;
  letter-spacing: 0.15em;
  color: var(--cat-primary, var(--color-text));
  margin-bottom: 0.5rem;
}

.category-hero-subtitle {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 300;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.category-hero-desc {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 300;
  color: var(--color-text-light);
  margin-top: 1.5rem;
  letter-spacing: 0.05em;
}

/* Subcategory navigation */
.sub-nav {
  display: flex;
  justify-content: center;
  gap: 1rem;
  padding: 1.5rem 2rem;
  flex-wrap: wrap;
}

/* ========================================
   CATEGORY-SPECIFIC THEMES
   ======================================== */

/* Landscape - 深蓝绿色调，宽广感 */
[data-category="landscape"] {
  --cat-primary: #4ecdc4;
  --cat-accent: #2c3e50;
  --cat-glow: rgba(78,205,196,0.3);
  --cat-gradient: linear-gradient(135deg, #0a1628 0%, #1a3a4a 30%, #0d2137 60%, #0a1628 100%);
}

[data-category="landscape"] .category-hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 200px;
  background: linear-gradient(to top, var(--color-bg), transparent);
  z-index: 1;
}

[data-category="landscape"] .category-hero-title {
  text-shadow: 0 0 40px var(--cat-glow), 0 0 80px rgba(78,205,196,0.1);
}

[data-category="landscape"] .photo-card:hover {
  box-shadow: 0 12px 40px rgba(78,205,196,0.15), 0 0 60px rgba(78,205,196,0.05);
}

/* Portrait - 暖色调，柔光感 */
[data-category="portrait"] {
  --cat-primary: #e8a87c;
  --cat-accent: #d4a574;
  --cat-glow: rgba(232,168,124,0.3);
  --cat-gradient: linear-gradient(135deg, #1a0f0a 0%, #2d1f15 30%, #1a1210 60%, #0a0806 100%);
}

[data-category="portrait"] .category-hero::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(232,168,124,0.1) 0%, transparent 70%);
  transform: translate(-50%, -50%);
  pointer-events: none;
}

[data-category="portrait"] .category-hero-title {
  text-shadow: 0 0 30px var(--cat-glow);
  animation: portraitGlow 4s ease-in-out infinite alternate;
}

@keyframes portraitGlow {
  0% { text-shadow: 0 0 30px var(--cat-glow); }
  100% { text-shadow: 0 0 50px var(--cat-glow), 0 0 80px rgba(232,168,124,0.1); }
}

[data-category="portrait"] .photo-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(232,168,124,0.05) 0%, transparent 50%);
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.5s ease;
}

[data-category="portrait"] .photo-card:hover::after {
  opacity: 1;
}

/* Street - 高对比度，霓虹感 */
[data-category="street"] {
  --cat-primary: #ff6b6b;
  --cat-accent: #ffd93d;
  --cat-glow: rgba(255,107,107,0.3);
  --cat-gradient: linear-gradient(135deg, #0a0a0a 0%, #1a1a2e 30%, #16213e 60%, #0a0a0a 100%);
}

[data-category="street"] .category-hero::before {
  background:
    linear-gradient(135deg, #0a0a0a 0%, #1a1a2e 30%, #16213e 60%, #0a0a0a 100%);
}

[data-category="street"] .category-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, transparent 48%, rgba(255,107,107,0.03) 50%, transparent 52%),
    linear-gradient(0deg, transparent 48%, rgba(255,217,61,0.03) 50%, transparent 52%);
  background-size: 60px 60px;
  pointer-events: none;
  animation: streetGrid 20s linear infinite;
}

@keyframes streetGrid {
  0% { transform: translate(0, 0); }
  100% { transform: translate(60px, 60px); }
}

[data-category="street"] .category-hero-title {
  text-shadow: 0 0 20px var(--cat-glow);
  letter-spacing: 0.3em;
}

[data-category="street"] .photo-card:hover {
  box-shadow: 0 0 30px rgba(255,107,107,0.1), 0 0 60px rgba(255,217,61,0.05);
}

/* Nature - 绿色有机感 */
[data-category="nature"] {
  --cat-primary: #7bc67e;
  --cat-accent: #4a9e4e;
  --cat-glow: rgba(123,198,126,0.3);
  --cat-gradient: linear-gradient(135deg, #0a1a0a 0%, #1a2e1a 30%, #0d1f0d 60%, #0a1a0a 100%);
}

[data-category="nature"] .category-hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 150px;
  background: linear-gradient(to top,
    rgba(123,198,126,0.05) 0%,
    transparent 100%
  );
  pointer-events: none;
}

[data-category="nature"] .category-hero-title {
  text-shadow: 0 0 30px var(--cat-glow);
}

[data-category="nature"] .photo-card:hover {
  box-shadow: 0 12px 40px rgba(123,198,126,0.1);
}

/* Architecture - 几何锐利感 */
[data-category="architecture"] {
  --cat-primary: #a8b8c8;
  --cat-accent: #7a8a9a;
  --cat-glow: rgba(168,184,200,0.3);
  --cat-gradient: linear-gradient(135deg, #0a0a0f 0%, #1a1a25 30%, #0f0f1a 60%, #0a0a0f 100%);
}

[data-category="architecture"] .category-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(
      0deg,
      transparent,
      transparent 98px,
      rgba(168,184,200,0.03) 98px,
      rgba(168,184,200,0.03) 100px
    ),
    repeating-linear-gradient(
      90deg,
      transparent,
      transparent 98px,
      rgba(168,184,200,0.03) 98px,
      rgba(168,184,200,0.03) 100px
    );
  pointer-events: none;
}

[data-category="architecture"] .category-hero-title {
  letter-spacing: 0.4em;
  font-weight: 100;
}

[data-category="architecture"] .photo-card {
  border-radius: 0;
}

[data-category="architecture"] .photo-card:hover {
  box-shadow: 0 0 0 1px rgba(168,184,200,0.2), 0 12px 40px rgba(0,0,0,0.3);
}

/* Night - 深紫蓝色，星空感 */
[data-category="night"] {
  --cat-primary: #9b59b6;
  --cat-accent: #8e44ad;
  --cat-glow: rgba(155,89,182,0.3);
  --cat-gradient: linear-gradient(135deg, #0a0a1a 0%, #1a0a2e 30%, #0a0a1a 60%, #050510 100%);
}

[data-category="night"] .category-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(1px 1px at 10% 20%, rgba(255,255,255,0.3) 0%, transparent 100%),
    radial-gradient(1px 1px at 30% 60%, rgba(255,255,255,0.2) 0%, transparent 100%),
    radial-gradient(1px 1px at 50% 30%, rgba(255,255,255,0.4) 0%, transparent 100%),
    radial-gradient(1px 1px at 70% 80%, rgba(255,255,255,0.2) 0%, transparent 100%),
    radial-gradient(1px 1px at 90% 40%, rgba(255,255,255,0.3) 0%, transparent 100%),
    radial-gradient(2px 2px at 15% 75%, rgba(155,89,182,0.4) 0%, transparent 100%),
    radial-gradient(2px 2px at 85% 15%, rgba(155,89,182,0.3) 0%, transparent 100%);
  animation: starsTwinkle 4s ease-in-out infinite alternate;
  pointer-events: none;
}

@keyframes starsTwinkle {
  0% { opacity: 0.5; }
  100% { opacity: 1; }
}

[data-category="night"] .category-hero-title {
  text-shadow: 0 0 40px var(--cat-glow), 0 0 80px rgba(155,89,182,0.1);
}

[data-category="night"] .photo-card:hover {
  box-shadow: 0 0 40px rgba(155,89,182,0.15);
}

/* Travel - 暖色冒险感 */
[data-category="travel"] {
  --cat-primary: #f39c12;
  --cat-accent: #e67e22;
  --cat-glow: rgba(243,156,18,0.3);
  --cat-gradient: linear-gradient(135deg, #1a0f0a 0%, #2d1a0a 30%, #1a1208 60%, #0a0806 100%);
}

[data-category="travel"] .category-hero::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 40%;
  height: 100%;
  background: radial-gradient(ellipse at top right, rgba(243,156,18,0.08) 0%, transparent 70%);
  pointer-events: none;
}

[data-category="travel"] .category-hero-title {
  text-shadow: 0 0 30px var(--cat-glow);
}

[data-category="travel"] .photo-card:hover {
  box-shadow: 0 12px 40px rgba(243,156,18,0.1);
}

/* Abstract - 彩色实验感 */
[data-category="abstract"] {
  --cat-primary: #e74c3c;
  --cat-accent: #3498db;
  --cat-glow: rgba(231,76,60,0.3);
  --cat-gradient: linear-gradient(135deg, #1a0a0a 0%, #0a1a2e 30%, #2e0a1a 60%, #0a0a1a 100%);
}

[data-category="abstract"] .category-hero::before {
  background: linear-gradient(135deg, #1a0a0a 0%, #0a1a2e 30%, #2e0a1a 60%, #0a0a1a 100%);
  animation: abstractGradient 8s ease infinite;
  background-size: 200% 200%;
}

@keyframes abstractGradient {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

[data-category="abstract"] .category-hero-title {
  background: linear-gradient(90deg, #e74c3c, #3498db, #e74c3c);
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: abstractText 3s linear infinite;
}

@keyframes abstractText {
  0% { background-position: 0% center; }
  100% { background-position: 200% center; }
}

[data-category="abstract"] .photo-card:hover {
  box-shadow: 0 0 30px rgba(231,76,60,0.1), 0 0 60px rgba(52,152,219,0.05);
}

/* Vintage - 褐色复古感 */
[data-category="vintage"] {
  --cat-primary: #d4a574;
  --cat-accent: #8b7355;
  --cat-glow: rgba(212,165,116,0.3);
  --cat-gradient: linear-gradient(135deg, #1a1510 0%, #2a2015 30%, #1a1510 60%, #0f0d0a 100%);
}

[data-category="vintage"] .category-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  opacity: 0.03;
  pointer-events: none;
}

[data-category="vintage"] .category-hero-title {
  text-shadow: 0 0 20px var(--cat-glow);
  font-style: italic;
}

[data-category="vintage"] .photo-card {
  border: 3px solid rgba(212,165,116,0.1);
  padding: 8px;
  background: rgba(26,21,16,0.5);
}

[data-category="vintage"] .photo-card:hover {
  box-shadow: 0 12px 40px rgba(212,165,116,0.15);
}

/* Minimal - 极简留白感 */
[data-category="minimal"] {
  --cat-primary: #ffffff;
  --cat-accent: #999;
  --cat-glow: rgba(255,255,255,0.2);
  --cat-gradient: linear-gradient(135deg, #0a0a0a 0%, #111 50%, #0a0a0a 100%);
}

[data-category="minimal"] .category-hero-title {
  letter-spacing: 0.5em;
  font-weight: 100;
}

[data-category="minimal"] .photo-card {
  border-radius: 0;
}

[data-category="minimal"] .photo-card:hover {
  box-shadow: 0 0 0 1px rgba(255,255,255,0.1);
}

/* Film - 胶片质感 */
[data-category="film"] {
  --cat-primary: #e8a87c;
  --cat-accent: #c4885c;
  --cat-glow: rgba(232,168,124,0.3);
  --cat-gradient: linear-gradient(135deg, #1a1210 0%, #2a1f15 30%, #1a1210 60%, #0a0806 100%);
}

[data-category="film"] .category-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(232,168,124,0.03) 0%, transparent 10%, transparent 90%, rgba(232,168,124,0.03) 100%),
    linear-gradient(0deg, rgba(0,0,0,0.1) 0%, transparent 5%, transparent 95%, rgba(0,0,0,0.1) 100%);
  pointer-events: none;
}

[data-category="film"] .category-hero-title {
  text-shadow: 0 0 20px var(--cat-glow);
}

[data-category="film"] .photo-card {
  border: 4px solid rgba(26,18,16,0.8);
  box-shadow: 0 2px 10px rgba(0,0,0,0.3);
}

[data-category="film"] .photo-card:hover {
  box-shadow: 0 12px 40px rgba(232,168,124,0.15);
}

[data-category="film"] .photo-card img {
  filter: saturate(0.8) contrast(1.05);
}

[data-category="film"] .photo-card:hover img {
  filter: saturate(0.9) contrast(1.1);
}

.sub-nav-item {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  text-decoration: none;
  padding: 0.5rem 1.25rem;
  border: 1px solid var(--color-border);
  border-radius: 2px;
  transition: all 0.4s var(--transition-smooth);
  background: transparent;
}

.sub-nav-item:hover,
.sub-nav-item.active {
  color: var(--cat-primary, var(--color-text));
  border-color: var(--cat-primary, var(--color-text));
  background: rgba(0, 0, 0, 0.02);
}

/* Category grid on categories.html */
.category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 2rem;
  padding: 2rem 3rem;
  max-width: 1400px;
  margin: 0 auto;
}

.category-card {
  position: relative;
  display: block;
  text-decoration: none;
  color: inherit;
  padding: 2.5rem 2rem;
  border: 1px solid var(--color-border);
  background: var(--color-bg);
  transition: all 0.5s var(--transition-smooth);
  overflow: hidden;
}

.category-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--cat-accent, var(--color-text));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.5s var(--transition-smooth);
}

.category-card:hover::before {
  transform: scaleX(1);
}

.category-card:hover {
  border-color: var(--cat-accent, var(--color-text-muted));
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.06);
}

.category-card-icon {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  opacity: 0.6;
}

.category-card-title {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  margin-bottom: 0.25rem;
}

.category-card-en {
  font-family: var(--font-sans);
  font-size: 0.65rem;
  font-weight: 300;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 0.75rem;
}

.category-card-desc {
  font-family: var(--font-serif);
  font-size: 0.8rem;
  font-weight: 300;
  color: var(--color-text-light);
  line-height: 1.6;
}

.category-card-count {
  font-family: var(--font-sans);
  font-size: 0.65rem;
  font-weight: 300;
  letter-spacing: 0.15em;
  color: var(--color-text-muted);
  margin-top: 1rem;
  text-transform: uppercase;
}

/* ========================================
   Enhanced 3D Mouse Parallax
   ======================================== */
.parallax-container {
  perspective: 1200px;
  transform-style: preserve-3d;
}

.parallax-3d {
  transition: transform 0.15s ease-out;
  transform-style: preserve-3d;
  will-change: transform;
}

.parallax-layer-near {
  transform: translateZ(30px);
}

.parallax-layer-mid {
  transform: translateZ(0px);
}

.parallax-layer-far {
  transform: translateZ(-30px);
}

/* Photo card 3D hover */
.photo-card {
  transform-style: preserve-3d;
  transition: transform 0.5s var(--transition-smooth), box-shadow 0.5s var(--transition-smooth);
}

.photo-card:hover {
  transform: scale(1.03) translateZ(10px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
}

/* ========================================
   Frosted Glass & Gradient Overlays
   ======================================== */
.glass-surface {
  background: rgba(250, 250, 250, 0.7);
  backdrop-filter: blur(20px) saturate(1.2);
  -webkit-backdrop-filter: blur(20px) saturate(1.2);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.glass-card {
  background: rgba(255, 255, 255, 0.5);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.gradient-overlay {
  position: relative;
}

.gradient-overlay::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    transparent 0%,
    transparent 50%,
    rgba(250, 250, 250, 0.3) 75%,
    rgba(250, 250, 250, 0.8) 100%
  );
  pointer-events: none;
}

/* ========================================
   Typography Unification
   ======================================== */
a {
  color: var(--color-text);
  text-decoration: none;
  transition: opacity 0.3s ease;
}

a:hover {
  opacity: 0.7;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  font-weight: 300;
  letter-spacing: 0.05em;
}

button {
  font-family: var(--font-sans);
  letter-spacing: 0.1em;
  cursor: pointer;
  border: none;
  background: none;
  font-size: 0.75rem;
}

input, textarea {
  font-family: var(--font-sans);
  letter-spacing: 0.05em;
}

/* ========================================
   Low-Saturation Color Grading
   ======================================== */
.photo-card img {
  filter: saturate(0.85) contrast(1.02);
  transition: filter 0.5s var(--transition-smooth);
}

.photo-card:hover img {
  filter: saturate(1) contrast(1);
}

/* ========================================
   Category-Specific Card Treatments
   ======================================== */
.category-card[data-cat="landscape"] { --cat-primary: #2d5a3d; --cat-accent: #4a8c6f; }
.category-card[data-cat="portrait"] { --cat-primary: #8b6914; --cat-accent: #c4993d; }
.category-card[data-cat="street"] { --cat-primary: #3a4a5c; --cat-accent: #5a7a9a; }
.category-card[data-cat="nature"] { --cat-primary: #2d4a2d; --cat-accent: #5a8a5a; }
.category-card[data-cat="architecture"] { --cat-primary: #4a4a5c; --cat-accent: #7a7a9a; }
.category-card[data-cat="night"] { --cat-primary: #1a1a3e; --cat-accent: #3a3a7a; }
.category-card[data-cat="travel"] { --cat-primary: #7a4a2d; --cat-accent: #b07040; }
.category-card[data-cat="abstract"] { --cat-primary: #4a2d6a; --cat-accent: #7a5a9a; }
.category-card[data-cat="vintage"] { --cat-primary: #6b5a3e; --cat-accent: #9a8a6a; }
.category-card[data-cat="minimal"] { --cat-primary: #1a1a1a; --cat-accent: #4a4a4a; }
.category-card[data-cat="film"] { --cat-primary: #5c4a2d; --cat-accent: #8a7040; }

/* Subcategory grid inside category page */
.sub-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1.5rem;
  padding: 0 3rem 2rem;
  max-width: 1400px;
  margin: 0 auto;
}

.sub-card {
  display: block;
  text-decoration: none;
  color: inherit;
  padding: 1.5rem;
  border: 1px solid var(--color-border);
  text-align: center;
  transition: all 0.4s var(--transition-smooth);
}

.sub-card:hover {
  border-color: var(--cat-accent, var(--color-text-muted));
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.04);
}

.sub-card-title {
  font-family: var(--font-serif);
  font-size: 0.95rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  margin-bottom: 0.25rem;
}

.sub-card-en {
  font-family: var(--font-sans);
  font-size: 0.6rem;
  font-weight: 300;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

/* ========================================
   Filter Tabs Styling
   ======================================== */
.filter-tabs {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  padding: 1.5rem 2rem;
  flex-wrap: wrap;
}

.filter-tab {
  font-family: var(--font-sans);
  font-size: 0.7rem;
  font-weight: 400;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  padding: 0.5rem 1rem;
  border: 1px solid transparent;
  background: none;
  cursor: pointer;
  transition: all 0.3s ease;
}

.filter-tab:hover {
  color: var(--color-text);
}

.filter-tab.active {
  color: var(--color-text);
  border-bottom-color: var(--color-text);
}

/* ========================================
   3D Orbiting Text Ring
   ======================================== */
.avatar-3d-scene {
  perspective: 800px;
  width: 220px;
  height: 220px;
  position: relative;
  margin: 0 auto 2rem;
}

.avatar-3d-container {
  width: 100%;
  height: 100%;
  position: relative;
  transform-style: preserve-3d;
  transition: transform 0.3s ease-out;
}

.avatar-center {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 120px;
  height: 120px;
  border-radius: 50%;
  overflow: hidden;
  box-shadow: 0 8px 32px rgba(0,0,0,0.12), 0 0 0 3px rgba(255,255,255,0.8);
  z-index: 10;
}

.avatar-center img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Orbiting ring */
.orbit-ring {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 200px;
  height: 200px;
  transform: translate(-50%, -50%) rotateX(75deg) rotateZ(0deg);
  transform-style: preserve-3d;
  animation: orbitSpin 25s linear infinite;
}

.orbit-ring-text {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  transform-style: preserve-3d;
}

.orbit-char {
  position: absolute;
  top: 50%;
  left: 50%;
  font-family: var(--font-serif);
  font-size: 0.7rem;
  font-weight: 300;
  letter-spacing: 0.15em;
  color: var(--color-text-muted);
  text-transform: uppercase;
  transform-origin: 0 0;
  white-space: nowrap;
}

@keyframes orbitSpin {
  from { transform: translate(-50%, -50%) rotateX(75deg) rotateZ(0deg); }
  to { transform: translate(-50%, -50%) rotateX(75deg) rotateZ(360deg); }
}

/* Second orbit ring - opposite direction */
.orbit-ring-2 {
  animation: orbitSpin2 30s linear infinite;
  width: 210px;
  height: 210px;
}

@keyframes orbitSpin2 {
  from { transform: translate(-50%, -50%) rotateX(75deg) rotateZ(0deg); }
  to { transform: translate(-50%, -50%) rotateX(75deg) rotateZ(-360deg); }
}

/* ========================================
   Profile Page - Complete Layout
   ======================================== */
.profile-page {
  min-height: 100vh;
  padding-top: 8rem;
}

.profile-cover {
  position: relative;
  height: 35vh;
  min-height: 280px;
  overflow: hidden;
  background: linear-gradient(135deg, #1a1a1a 0%, #2a2a2a 50%, #1a1a1a 100%);
}

.profile-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.8) brightness(0.8);
}

.profile-cover-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 30%, rgba(10,10,10,0.6) 70%, rgba(10,10,10,1) 100%);
}

.profile-main {
  position: relative;
  max-width: 900px;
  margin: -6rem auto 0;
  padding: 0 2rem 4rem;
  z-index: 5;
}

.profile-card {
  background: rgba(20, 20, 20, 0.9);
  backdrop-filter: blur(24px) saturate(1.3);
  -webkit-backdrop-filter: blur(24px) saturate(1.3);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 12px;
  padding: 3rem 3rem 2rem;
  text-align: center;
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.3);
}

.profile-name {
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 200;
  letter-spacing: 0.15em;
  margin-bottom: 0.25rem;
}

.profile-handle {
  font-family: var(--font-sans);
  font-size: 0.7rem;
  font-weight: 300;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 1.25rem;
}

.profile-bio {
  font-family: var(--font-serif);
  font-size: 0.95rem;
  font-weight: 300;
  line-height: 1.8;
  color: var(--color-text-light);
  max-width: 500px;
  margin: 0 auto 1.5rem;
  letter-spacing: 0.03em;
}

.profile-bio[contenteditable="true"]:focus {
  outline: none;
  background: rgba(255,255,255,0.03);
  border-radius: 4px;
  padding: 0.5rem;
}

.profile-stats {
  display: flex;
  justify-content: center;
  gap: 3rem;
  padding: 1.5rem 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 1.5rem;
}

.profile-stat {
  text-align: center;
}

.profile-stat-num {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 300;
  letter-spacing: 0.05em;
}

.profile-stat-label {
  font-family: var(--font-sans);
  font-size: 0.6rem;
  font-weight: 400;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-top: 0.25rem;
}

/* Theme Picker */
.theme-picker {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.theme-dot {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
}

.theme-dot::after {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 1.5px solid transparent;
  transition: border-color 0.3s ease;
}

.theme-dot.active::after {
  border-color: var(--color-accent);
}

.theme-dot:hover {
  transform: scale(1.15);
}

.theme-dot[data-theme="light"] { background: linear-gradient(135deg, #fafafa, #e8e4e0); }
.theme-dot[data-theme="dark"] { background: linear-gradient(135deg, #1a1a1a, #3a3a3a); }
.theme-dot[data-theme="warm"] { background: linear-gradient(135deg, #f5e6d3, #d4b896); }
.theme-dot[data-theme="cool"] { background: linear-gradient(135deg, #e0e8f0, #b8c8d8); }

/* Profile Tags */
.profile-tags {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.profile-tag {
  font-family: var(--font-sans);
  font-size: 0.65rem;
  font-weight: 400;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 0.4rem 1rem;
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 20px;
  color: rgba(255,255,255,0.6);
  transition: all 0.3s ease;
  cursor: pointer;
}

.profile-tag:hover {
  border-color: var(--color-accent);
  color: var(--color-accent-light);
}

/* Profile Actions */
.profile-actions {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-top: 1rem;
}

.btn-primary {
  font-family: var(--font-sans);
  font-size: 0.7rem;
  font-weight: 400;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 0.8rem 2.2rem;
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-light));
  color: #fff;
  border: none;
  cursor: pointer;
  transition: all 0.4s var(--transition-smooth);
  border-radius: 50px;
  position: relative;
  overflow: hidden;
}

.btn-primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: left 0.5s ease;
}

.btn-primary:hover {
  box-shadow: 0 4px 25px rgba(139,115,85,0.4), 0 0 50px rgba(139,115,85,0.1);
  transform: translateY(-3px);
  letter-spacing: 0.2em;
}

.btn-primary:hover::before {
  left: 100%;
}

.btn-ghost {
  font-family: var(--font-sans);
  font-size: 0.7rem;
  font-weight: 400;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 0.8rem 2.2rem;
  background: transparent;
  color: var(--color-text);
  border: 1px solid rgba(255,255,255,0.15);
  cursor: pointer;
  transition: all 0.4s var(--transition-smooth);
  border-radius: 50px;
  position: relative;
  overflow: hidden;
}

.btn-ghost::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-light));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s var(--transition-smooth);
  z-index: -1;
}

.btn-ghost:hover {
  color: #fff;
  border-color: var(--color-accent);
  transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(139,115,85,0.2);
}

.btn-ghost:hover::before {
  transform: scaleX(1);
}

/* Profile Works Section */
.profile-section {
  max-width: 900px;
  margin: 3rem auto;
  padding: 0 2rem;
}

.profile-section-title {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 300;
  letter-spacing: 0.15em;
  margin-bottom: 1.5rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  color: #fff;
}

.profile-works-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.profile-work-card {
  position: relative;
  overflow: hidden;
  aspect-ratio: 1;
  border-radius: 6px;
  display: block;
}

.profile-work-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--transition-smooth), filter 0.6s ease;
  filter: saturate(0.85);
}

.profile-work-card:hover img {
  transform: scale(1.08);
  filter: saturate(1);
}

.profile-work-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(0,0,0,0.5) 100%);
  opacity: 0;
  transition: opacity 0.4s ease;
  display: flex;
  align-items: flex-end;
  padding: 1rem;
}

.profile-work-card:hover .profile-work-overlay {
  opacity: 1;
}

.profile-work-title {
  font-family: var(--font-serif);
  font-size: 0.85rem;
  font-weight: 300;
  color: #fff;
  letter-spacing: 0.05em;
}

/* ========================================
   Edit Profile Modal
   ======================================== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.4);
  backdrop-filter: blur(8px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s ease;
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-card {
  background: #141414;
  border: 1px solid rgba(255,255,255,0.08);
  padding: 2.5rem;
  max-width: 480px;
  width: 90%;
  max-height: 80vh;
  overflow-y: auto;
  transform: translateY(20px);
  transition: transform 0.4s var(--transition-smooth);
  border-radius: 12px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}

.modal-overlay.active .modal-card {
  transform: translateY(0);
}

.modal-title {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 300;
  letter-spacing: 0.1em;
  margin-bottom: 1.5rem;
}

.modal-field {
  margin-bottom: 1.25rem;
}

.modal-label {
  display: block;
  font-family: var(--font-sans);
  font-size: 0.65rem;
  font-weight: 400;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 0.5rem;
}

.modal-input {
  width: 100%;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  padding: 0.75rem 0;
  border: none;
  border-bottom: 1px solid var(--color-border);
  background: transparent;
  color: var(--color-text);
  letter-spacing: 0.03em;
  transition: border-color 0.3s ease;
}

.modal-input:focus {
  outline: none;
  border-bottom-color: var(--color-text);
}

.modal-textarea {
  width: 100%;
  font-family: var(--font-serif);
  font-size: 0.85rem;
  padding: 0.75rem 0;
  border: none;
  border-bottom: 1px solid var(--color-border);
  background: transparent;
  color: var(--color-text);
  letter-spacing: 0.03em;
  resize: vertical;
  min-height: 80px;
  transition: border-color 0.3s ease;
}

.modal-textarea:focus {
  outline: none;
  border-bottom-color: var(--color-text);
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 1rem;
  margin-top: 2rem;
}

/* ========================================
   Hero Section Enhancement
   ======================================== */
.hero-layers {
  position: relative;
  height: 100vh;
  overflow: hidden;
}

.hero-layer {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-bg {
  background-size: cover;
  background-position: center;
  filter: saturate(0.7) brightness(0.9);
  transform: scale(1.1);
  transition: transform 12s ease-out;
}

.hero-layers:hover .hero-bg {
  transform: scale(1);
}

.hero-fog {
  background: radial-gradient(ellipse at center, transparent 30%, rgba(250,250,250,0.4) 70%);
}

.hero-grain {
  opacity: 0.03;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 200px;
  pointer-events: none;
}

.hero-content-wrap {
  position: relative;
  z-index: 5;
  text-align: center;
  padding: 0 2rem;
}

/* ========================================
   Micro-animations & Polish
   ======================================== */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideInLeft {
  from { opacity: 0; transform: translateX(-20px); }
  to { opacity: 1; transform: translateX(0); }
}

.animate-in {
  animation: fadeInUp 0.8s var(--transition-smooth) both;
}

.animate-in-delay-1 { animation-delay: 0.1s; }
.animate-in-delay-2 { animation-delay: 0.2s; }
.animate-in-delay-3 { animation-delay: 0.3s; }
.animate-in-delay-4 { animation-delay: 0.4s; }

/* Noise texture overlay for depth */
.noise-overlay {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9999;
  opacity: 0.03;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 200px;
}

/* Scrollbar styling */
::-webkit-scrollbar {
  width: 6px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.15);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(0, 0, 0, 0.25);
}

/* Focus states for accessibility */
*:focus-visible {
  outline: 1px solid var(--color-accent);
  outline-offset: 2px;
}

/* ========================================
   GLOWING CURSOR EFFECT
   ======================================== */
.cursor-glow {
  position: fixed;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(139,115,85,0.08) 0%, transparent 70%);
  pointer-events: none;
  z-index: 9998;
  transform: translate(-50%, -50%);
  transition: opacity 0.3s ease;
  will-change: transform;
}

/* ========================================
   MAGNETIC BUTTON EFFECT
   ======================================== */
.magnetic-btn {
  position: relative;
  transition: transform 0.3s var(--transition-smooth);
}

/* ========================================
   TEXT SHIMMER EFFECT
   ======================================== */
.text-shimmer {
  background: linear-gradient(
    120deg,
    var(--color-text) 0%,
    var(--color-accent-light) 25%,
    var(--color-text) 50%,
    var(--color-accent-light) 75%,
    var(--color-text) 100%
  );
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: shimmer 3s linear infinite;
}

@keyframes shimmer {
  0% { background-position: 0% center; }
  100% { background-position: 200% center; }
}

/* ========================================
   GLOW BORDER EFFECT
   ======================================== */
.glow-border {
  position: relative;
}

.glow-border::after {
  content: '';
  position: absolute;
  inset: -2px;
  border-radius: inherit;
  background: linear-gradient(45deg, var(--color-accent), transparent, var(--color-accent-light));
  z-index: -1;
  opacity: 0;
  transition: opacity 0.5s ease;
  filter: blur(8px);
}

.glow-border:hover::after {
  opacity: 0.6;
}

/* ========================================
   FLOATING ANIMATION
   ======================================== */
.float-animation {
  animation: float 6s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

/* ========================================
   PULSE GLOW EFFECT
   ======================================== */
.pulse-glow {
  animation: pulseGlow 2s ease-in-out infinite;
}

@keyframes pulseGlow {
  0%, 100% { box-shadow: 0 0 5px rgba(139,115,85,0.2); }
  50% { box-shadow: 0 0 20px rgba(139,115,85,0.4), 0 0 40px rgba(139,115,85,0.1); }
}

/* ========================================
   REVEAL ANIMATIONS
   ======================================== */
.reveal-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: all 0.8s var(--transition-smooth);
}

.reveal-right {
  opacity: 0;
  transform: translateX(40px);
  transition: all 0.8s var(--transition-smooth);
}

.reveal-scale {
  opacity: 0;
  transform: scale(0.9);
  transition: all 0.8s var(--transition-smooth);
}

.reveal-left.visible,
.reveal-right.visible,
.reveal-scale.visible {
  opacity: 1;
  transform: translateX(0) scale(1);
}

/* ========================================
   STAGGER CHILDREN ANIMATION
   ======================================== */
.stagger-children > * {
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.5s var(--transition-smooth);
}

.stagger-children.visible > *:nth-child(1) { transition-delay: 0.05s; }
.stagger-children.visible > *:nth-child(2) { transition-delay: 0.1s; }
.stagger-children.visible > *:nth-child(3) { transition-delay: 0.15s; }
.stagger-children.visible > *:nth-child(4) { transition-delay: 0.2s; }
.stagger-children.visible > *:nth-child(5) { transition-delay: 0.25s; }
.stagger-children.visible > *:nth-child(6) { transition-delay: 0.3s; }
.stagger-children.visible > *:nth-child(7) { transition-delay: 0.35s; }
.stagger-children.visible > *:nth-child(8) { transition-delay: 0.4s; }
.stagger-children.visible > *:nth-child(9) { transition-delay: 0.45s; }

.stagger-children.visible > * {
  opacity: 1;
  transform: translateY(0);
}

/* ========================================
   IMAGE REVEAL EFFECT
   ======================================== */
.img-reveal {
  position: relative;
  overflow: hidden;
}

.img-reveal::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--color-bg);
  z-index: 2;
  transform: scaleX(1);
  transform-origin: right;
  transition: transform 0.8s var(--transition-smooth);
}

.img-reveal.visible::before {
  transform: scaleX(0);
}

/* ========================================
   TILT EFFECT ON CARDS
   ======================================== */
.tilt-card {
  transition: transform 0.3s var(--transition-smooth);
  transform-style: preserve-3d;
  perspective: 1000px;
}

/* ========================================
   LINE DRAW EFFECT
   ======================================== */
.line-draw {
  stroke-dasharray: 1000;
  stroke-dashoffset: 1000;
  transition: stroke-dashoffset 1.5s var(--transition-smooth);
}

.line-draw.visible {
  stroke-dashoffset: 0;
}

/* ========================================
   ACCENT LINE ANIMATION
   ======================================== */
.accent-line {
  display: block;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent-light));
  transition: width 0.8s var(--transition-smooth);
}

.accent-line.visible {
  width: 60px;
}

/* ========================================
   TYPEWRITER EFFECT
   ======================================== */
.typewriter {
  overflow: hidden;
  white-space: nowrap;
  border-right: 2px solid var(--color-accent);
  animation: typewriter 3s steps(40) 1s forwards, blink 0.75s step-end infinite;
  width: 0;
}

@keyframes typewriter {
  to { width: 100%; }
}

@keyframes blink {
  50% { border-color: transparent; }
}

/* ========================================
   LIGHT RAYS / GOD RAYS EFFECT
   ======================================== */
.light-rays {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  z-index: 3;
}

.light-rays::before,
.light-rays::after {
  content: '';
  position: absolute;
  top: -50%;
  left: 50%;
  width: 200%;
  height: 200%;
  transform: translateX(-50%);
  background: conic-gradient(
    from 0deg at 50% 0%,
    transparent 0deg,
    rgba(255,255,255,0.03) 10deg,
    transparent 20deg,
    transparent 40deg,
    rgba(255,255,255,0.02) 50deg,
    transparent 60deg,
    transparent 80deg,
    rgba(255,255,255,0.03) 90deg,
    transparent 100deg,
    transparent 120deg,
    rgba(255,255,255,0.02) 130deg,
    transparent 140deg,
    transparent 160deg,
    rgba(255,255,255,0.03) 170deg,
    transparent 180deg,
    transparent 200deg,
    rgba(255,255,255,0.02) 210deg,
    transparent 220deg,
    transparent 240deg,
    rgba(255,255,255,0.03) 250deg,
    transparent 260deg,
    transparent 280deg,
    rgba(255,255,255,0.02) 290deg,
    transparent 300deg,
    transparent 320deg,
    rgba(255,255,255,0.03) 330deg,
    transparent 340deg,
    transparent 360deg
  );
  animation: rotateRays 30s linear infinite;
}

.light-rays::after {
  animation-delay: -15s;
  opacity: 0.5;
}

@keyframes rotateRays {
  0% { transform: translateX(-50%) rotate(0deg); }
  100% { transform: translateX(-50%) rotate(360deg); }
}

/* ========================================
   BOKEH EFFECT
   ======================================== */
.bokeh-container {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  z-index: 2;
}

.bokeh {
  position: absolute;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(139,115,85,0.15) 0%, transparent 70%);
  animation: bokehFloat 8s ease-in-out infinite;
}

.bokeh:nth-child(1) {
  width: 120px;
  height: 120px;
  top: 20%;
  left: 10%;
  animation-delay: 0s;
  animation-duration: 8s;
}

.bokeh:nth-child(2) {
  width: 80px;
  height: 80px;
  top: 60%;
  left: 80%;
  animation-delay: -2s;
  animation-duration: 10s;
}

.bokeh:nth-child(3) {
  width: 150px;
  height: 150px;
  top: 40%;
  left: 50%;
  animation-delay: -4s;
  animation-duration: 12s;
}

.bokeh:nth-child(4) {
  width: 60px;
  height: 60px;
  top: 80%;
  left: 30%;
  animation-delay: -6s;
  animation-duration: 9s;
}

.bokeh:nth-child(5) {
  width: 100px;
  height: 100px;
  top: 10%;
  left: 70%;
  animation-delay: -3s;
  animation-duration: 11s;
}

@keyframes bokehFloat {
  0%, 100% {
    transform: translateY(0) translateX(0) scale(1);
    opacity: 0.3;
  }
  25% {
    transform: translateY(-30px) translateX(20px) scale(1.1);
    opacity: 0.5;
  }
  50% {
    transform: translateY(-10px) translateX(-15px) scale(0.9);
    opacity: 0.4;
  }
  75% {
    transform: translateY(-40px) translateX(10px) scale(1.05);
    opacity: 0.35;
  }
}

/* ========================================
   LENS FLARE EFFECT
   ======================================== */
.lens-flare {
  position: absolute;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: radial-gradient(
    circle,
    rgba(255,255,255,0.1) 0%,
    rgba(255,255,255,0.05) 30%,
    transparent 70%
  );
  pointer-events: none;
  z-index: 4;
  animation: lensFlarePulse 4s ease-in-out infinite;
}

.lens-flare::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 300%;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
  transform: translate(-50%, -50%) rotate(30deg);
}

.lens-flare::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 2px;
  height: 300%;
  background: linear-gradient(180deg, transparent, rgba(255,255,255,0.1), transparent);
  transform: translate(-50%, -50%) rotate(30deg);
}

@keyframes lensFlarePulse {
  0%, 100% { opacity: 0.3; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(1.2); }
}

/* ========================================
   LIGHT LEAK EFFECT (Film)
   ======================================== */
.light-leak {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 3;
  opacity: 0;
  transition: opacity 0.5s ease;
}

.light-leak::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 50%;
  height: 100%;
  background: linear-gradient(
    135deg,
    transparent 0%,
    rgba(255,120,50,0.1) 30%,
    rgba(255,200,100,0.15) 50%,
    rgba(255,150,80,0.1) 70%,
    transparent 100%
  );
  animation: lightLeakShift 6s ease-in-out infinite;
}

.light-leak::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 60%;
  height: 60%;
  background: radial-gradient(
    ellipse at bottom left,
    rgba(255,180,100,0.12) 0%,
    transparent 70%
  );
  animation: lightLeakShift 8s ease-in-out infinite reverse;
}

.photo-card:hover .light-leak,
.featured-card:hover .light-leak {
  opacity: 1;
}

@keyframes lightLeakShift {
  0%, 100% { transform: translateX(0) translateY(0); }
  50% { transform: translateX(-20px) translateY(10px); }
}

/* Hero & Category Hero - Light Effects Context */
.hero .lens-flare,
.category-hero .lens-flare {
  top: 15%;
  right: 20%;
  animation: lensFlarePulse 4s ease-in-out infinite;
}

.hero .light-leak,
.category-hero .light-leak {
  opacity: 0.6;
}

.hero .bokeh-container .bokeh {
  background: radial-gradient(circle, rgba(255,255,255,0.08) 0%, transparent 70%);
}

.category-hero .bokeh-container .bokeh {
  background: radial-gradient(circle, var(--cat-primary, rgba(139,115,85,0.15)) 0%, transparent 70%);
}

/* Cursor Spotlight for Hero Sections */
.hero-spotlight,
.category-hero .hero-spotlight {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 5;
  background: radial-gradient(
    600px circle at var(--spot-x, 50%) var(--spot-y, 50%),
    rgba(255,255,255,0.06) 0%,
    rgba(255,255,255,0.02) 30%,
    transparent 70%
  );
  opacity: 0;
  transition: opacity 0.5s ease;
}

.hero:hover .hero-spotlight,
.category-hero:hover .hero-spotlight {
  opacity: 1;
}

/* Shadow Play - Dynamic shadows on hover */
.shadow-dynamic {
  transition: box-shadow 0.5s ease, filter 0.5s ease;
}

.shadow-dynamic:hover {
  box-shadow:
    0 20px 60px rgba(0,0,0,0.5),
    0 0 100px rgba(var(--cat-r, 139), var(--cat-g, 115), var(--cat-b, 85), 0.1);
}

/* Photo Card Light Streak on Hover */
.photo-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 50%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255,255,255,0.08),
    transparent
  );
  z-index: 3;
  transition: none;
  pointer-events: none;
}

.photo-card:hover::after {
  animation: lightStreak 0.8s ease-out;
}

@keyframes lightStreak {
  0% { left: -100%; }
  100% { left: 200%; }
}

/* Category Hero Title Glow */
.category-hero-title {
  text-shadow: 0 0 40px var(--cat-glow, rgba(139,115,85,0.3));
  animation: titleGlow 3s ease-in-out infinite alternate;
}

@keyframes titleGlow {
  0% { text-shadow: 0 0 40px var(--cat-glow, rgba(139,115,85,0.2)); }
  100% { text-shadow: 0 0 80px var(--cat-glow, rgba(139,115,85,0.4)), 0 0 120px var(--cat-glow, rgba(139,115,85,0.1)); }
}

/* ========================================
   SPOTLIGHT EFFECT
   ======================================== */
.spotlight-effect {
  position: relative;
  overflow: hidden;
}

.spotlight-effect::after {
  content: '';
  position: absolute;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255,255,255,0.08) 0%, transparent 70%);
  pointer-events: none;
  transform: translate(-50%, -50%);
  opacity: 0;
  transition: opacity 0.3s ease;
  z-index: 5;
}

.spotlight-effect:hover::after {
  opacity: 1;
}

/* ========================================
   ANIMATED GRADIENT BORDER
   ======================================== */
.gradient-border {
  position: relative;
  border: none !important;
}

.gradient-border::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(
    135deg,
    var(--color-accent),
    transparent,
    var(--color-accent-light),
    transparent,
    var(--color-accent)
  );
  background-size: 300% 300%;
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  animation: gradientBorder 4s ease infinite;
}

@keyframes gradientBorder {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* ========================================
   SHADOW PLAY EFFECT
   ======================================== */
.shadow-play {
  position: relative;
}

.shadow-play::before {
  content: '';
  position: absolute;
  inset: 10px;
  background: inherit;
  filter: blur(20px) brightness(0.5);
  opacity: 0.3;
  z-index: -1;
  transform: translateY(10px);
  transition: all 0.5s var(--transition-smooth);
}

.shadow-play:hover::before {
  transform: translateY(15px);
  opacity: 0.5;
  filter: blur(25px) brightness(0.4);
}

/* ========================================
   NEON GLOW EFFECT
   ======================================== */
.neon-glow {
  text-shadow:
    0 0 5px var(--color-accent),
    0 0 10px var(--color-accent),
    0 0 20px var(--color-accent),
    0 0 40px var(--color-accent-light);
  animation: neonPulse 2s ease-in-out infinite alternate;
}

@keyframes neonPulse {
  0% {
    text-shadow:
      0 0 5px var(--color-accent),
      0 0 10px var(--color-accent),
      0 0 20px var(--color-accent),
      0 0 40px var(--color-accent-light);
  }
  100% {
    text-shadow:
      0 0 2px var(--color-accent),
      0 0 5px var(--color-accent),
      0 0 10px var(--color-accent),
      0 0 20px var(--color-accent-light);
  }
}

/* ========================================
   PARTICLE GLOW EFFECT
   ======================================== */
.particle-glow {
  position: relative;
}

.particle-glow::after {
  content: '';
  position: absolute;
  inset: -2px;
  border-radius: inherit;
  background: conic-gradient(
    from 0deg,
    transparent,
    var(--color-accent),
    transparent,
    var(--color-accent-light),
    transparent
  );
  opacity: 0;
  transition: opacity 0.5s ease;
  z-index: -1;
  filter: blur(6px);
}

.particle-glow:hover::after {
  opacity: 0.5;
  animation: particleGlowRotate 3s linear infinite;
}

@keyframes particleGlowRotate {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Link hover refinement */
.nav-link {
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-text);
  transition: width 0.4s var(--transition-smooth);
}

.nav-link:hover::after {
  width: 100%;
}

.nav-link:hover {
  opacity: 1;
}

/* Loading screen refinement */
.loading-screen {
  position: fixed;
  inset: 0;
  z-index: 10000;
  background: var(--color-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.8s ease, visibility 0.8s ease;
}

.loading-screen.hidden {
  opacity: 0;
  visibility: hidden;
}

/* Button refinements */
.follow-btn {
  font-family: var(--font-sans);
  font-size: 0.7rem;
  font-weight: 400;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 0.6rem 1.8rem;
  border: 1px solid var(--color-text);
  background: var(--color-text);
  color: var(--color-bg);
  cursor: pointer;
  transition: all 0.3s ease;
}

.follow-btn:hover {
  background: transparent;
  color: var(--color-text);
}

.follow-btn.followed {
  background: transparent;
  color: var(--color-accent);
  border-color: var(--color-accent);
}

.follow-btn.followed:hover {
  background: var(--color-accent);
  color: #fff;
}

/* ========================================
   Profile Page Responsive
   ======================================== */
@media (max-width: 768px) {
  .profile-card {
    padding: 2rem 1.5rem;
  }

  .profile-works-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .profile-stats {
    gap: 2rem;
  }

  .avatar-3d-scene {
    width: 180px;
    height: 180px;
  }

  .orbit-ring {
    width: 160px;
    height: 160px;
  }

  .orbit-ring-2 {
    width: 170px;
    height: 170px;
  }
}

@media (max-width: 480px) {
  .profile-works-grid {
    grid-template-columns: 1fr;
  }

  .profile-stats {
    gap: 1.5rem;
  }

  .profile-stat-num {
    font-size: 1.2rem;
  }
}

/* ========================================
   Featured Photographers Strip
   ======================================== */
.featured-photographers {
  padding: 6rem 0;
  overflow: hidden;
  background: #0f0f0f;
}

.featured-photographers .section-title {
  color: #fff;
}

.featured-photographers .section-subtitle {
  color: rgba(255,255,255,0.4);
}

.section-header-center {
  text-align: center;
  margin-bottom: 3rem;
  padding: 0 2rem;
}

.photographers-strip {
  display: flex;
  gap: 2rem;
  padding: 0 3rem;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.photographers-strip::-webkit-scrollbar {
  display: none;
}

.photographer-card {
  flex: 0 0 260px;
  scroll-snap-align: start;
  text-decoration: none;
  color: inherit;
  padding: 2rem 1.5rem;
  border: 1px solid rgba(255,255,255,0.08);
  background: rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(12px);
  transition: all 0.5s var(--transition-smooth);
  text-align: center;
  border-radius: 8px;
}

.photographer-card:hover {
  border-color: rgba(255,255,255,0.15);
  transform: translateY(-6px);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.3);
  background: rgba(255, 255, 255, 0.06);
}

.photographer-card-avatar {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  overflow: hidden;
  margin: 0 auto 1rem;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
}

.photographer-card-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.9);
}

.photographer-card-name {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  margin-bottom: 0.25rem;
  color: #fff;
}

.photographer-card-bio {
  font-family: var(--font-serif);
  font-size: 0.75rem;
  font-weight: 300;
  color: rgba(255,255,255,0.5);
  line-height: 1.6;
  margin-bottom: 0.75rem;
}

.photographer-card-tags {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.35rem;
}

.photographer-card-tag {
  font-family: var(--font-sans);
  font-size: 0.55rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.2rem 0.6rem;
  border: 1px solid rgba(255,255,255,0.12);
  color: rgba(255,255,255,0.4);
  border-radius: 20px;
}

/* ========================================
   Nav Post Button
   ======================================== */
.nav-post-btn {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  font-family: var(--font-sans);
  font-size: 0.65rem;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text);
  text-decoration: none;
  padding: 0.4rem 0.8rem;
  border: 1px solid var(--color-border);
  transition: all 0.3s ease;
  margin-right: 0.5rem;
}

.nav-post-btn:hover {
  background: var(--color-text);
  color: var(--color-bg);
  border-color: var(--color-text);
  opacity: 1;
}

/* ========================================
   Enhanced About Section
   ======================================== */
.about-glass {
  background: rgba(255, 255, 255, 0.5);
  backdrop-filter: blur(20px) saturate(1.2);
  -webkit-backdrop-filter: blur(20px) saturate(1.2);
  border: 1px solid rgba(255, 255, 255, 0.3);
  padding: 4rem 3rem;
  max-width: 700px;
  margin: 0 auto;
  text-align: center;
}

.about-stats {
  display: flex;
  justify-content: center;
  gap: 3rem;
  margin-top: 2.5rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(255,255,255,0.1);
}

.about-stat {
  text-align: center;
}

.about-stat-num {
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 200;
  letter-spacing: 0.05em;
  color: #fff;
}

.about-stat-label {
  font-family: var(--font-sans);
  font-size: 0.65rem;
  font-weight: 400;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.4);
  margin-top: 0.5rem;
}

@media (max-width: 768px) {
  .photographer-card {
    flex: 0 0 220px;
  }

  .about-glass {
    padding: 2.5rem 1.5rem;
  }

  .about-stats {
    gap: 2rem;
  }
}

/* ========================================
   PAGE TRANSITION SYSTEM
   ======================================== */
.page-transition-overlay {
  position: fixed;
  inset: 0;
  background: var(--color-text);
  z-index: 10001;
  transform: scaleY(0);
  transform-origin: bottom;
  pointer-events: none;
}

.page-transition-overlay.active {
  animation: pageTransition 0.8s var(--transition-smooth) forwards;
}

@keyframes pageTransition {
  0% { transform: scaleY(0); transform-origin: bottom; }
  50% { transform: scaleY(1); transform-origin: bottom; }
  50.01% { transform: scaleY(1); transform-origin: top; }
  100% { transform: scaleY(0); transform-origin: top; }
}

/* ========================================
   PARTICLE CANVAS HERO
   ======================================== */
.hero-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}

.hero-gradient-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg,
    rgba(250,250,250,0.95) 0%,
    rgba(240,240,245,0.9) 30%,
    rgba(245,240,235,0.85) 60%,
    rgba(250,250,250,0.95) 100%);
  z-index: 1;
}

.hero-gradient-bg::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(ellipse at 30% 50%, rgba(200,180,160,0.15) 0%, transparent 50%),
              radial-gradient(ellipse at 70% 30%, rgba(160,180,200,0.1) 0%, transparent 50%),
              radial-gradient(ellipse at 50% 80%, rgba(180,160,180,0.1) 0%, transparent 50%);
  animation: gradientDrift 20s ease-in-out infinite;
}

@keyframes gradientDrift {
  0%, 100% { transform: translate(0, 0) rotate(0deg); }
  33% { transform: translate(2%, -1%) rotate(1deg); }
  66% { transform: translate(-1%, 2%) rotate(-1deg); }
}

/* ========================================
   ANIMATED COUNTERS
   ======================================== */
.counter-value {
  display: inline-block;
  font-variant-numeric: tabular-nums;
}

/* ========================================
   ENHANCED HERO
   ======================================== */
.hero-content {
  z-index: 2;
}

.hero-title .title-cn {
  overflow: hidden;
}

.hero-title .title-cn .char {
  display: inline-block;
  opacity: 0;
  transform: translateY(100%);
  animation: charReveal 0.6s var(--transition-smooth) forwards;
}

@keyframes charReveal {
  to { opacity: 1; transform: translateY(0); }
}

.hero-divider {
  width: 60px;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.5), transparent);
  margin: 1.5rem auto;
  opacity: 0;
  animation: fadeIn 1s ease 0.8s forwards;
}

@keyframes fadeIn {
  to { opacity: 1; }
}

/* ========================================
   IMAGE LIGHTBOX
   ======================================== */
.lightbox-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.92);
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all 0.4s ease;
  cursor: zoom-out;
}

.lightbox-overlay.active {
  opacity: 1;
  visibility: visible;
}

.lightbox-overlay img {
  max-width: 90vw;
  max-height: 90vh;
  object-fit: contain;
  transform: scale(0.9);
  transition: transform 0.4s var(--transition-smooth);
}

.lightbox-overlay.active img {
  transform: scale(1);
}

.lightbox-close {
  position: absolute;
  top: 2rem;
  right: 2rem;
  width: 40px;
  height: 40px;
  border: none;
  background: none;
  color: #fff;
  cursor: pointer;
  opacity: 0.6;
  transition: opacity 0.3s;
}

.lightbox-close:hover {
  opacity: 1;
}

/* ========================================
   COMMENTS SECTION
   ======================================== */
.comments-section {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--color-border);
}

.comments-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 2rem;
}

.comments-title {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 300;
  letter-spacing: 0.1em;
}

.comments-count {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  color: var(--color-text-muted);
  padding: 0.2rem 0.6rem;
  border: 1px solid var(--color-border);
  border-radius: 20px;
}

.comment-item {
  display: flex;
  gap: 1rem;
  padding: 1.25rem 0;
  border-bottom: 1px solid rgba(0,0,0,0.04);
  animation: commentSlideIn 0.4s var(--transition-smooth) both;
}

@keyframes commentSlideIn {
  from { opacity: 0; transform: translateX(-10px); }
  to { opacity: 1; transform: translateX(0); }
}

.comment-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--color-bg-alt);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
  font-size: 0.875rem;
  font-weight: 300;
  color: var(--color-text-light);
  flex-shrink: 0;
}

.comment-body {
  flex: 1;
}

.comment-meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.35rem;
}

.comment-author {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--color-text);
}

.comment-time {
  font-family: var(--font-sans);
  font-size: 0.7rem;
  color: var(--color-text-muted);
}

.comment-text {
  font-family: var(--font-serif);
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--color-text-light);
}

.comment-actions {
  display: flex;
  gap: 1rem;
  margin-top: 0.5rem;
}

.comment-action {
  font-family: var(--font-sans);
  font-size: 0.7rem;
  color: var(--color-text-muted);
  cursor: pointer;
  background: none;
  border: none;
  padding: 0;
  transition: color 0.3s;
}

.comment-action:hover {
  color: var(--color-text);
}

.comment-input-wrap {
  display: flex;
  gap: 1rem;
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-border);
}

.comment-input {
  flex: 1;
  font-family: var(--font-serif);
  font-size: 0.875rem;
  padding: 0.75rem 0;
  border: none;
  border-bottom: 1px solid var(--color-border);
  background: transparent;
  color: var(--color-text);
  transition: border-color 0.3s;
}

.comment-input:focus {
  outline: none;
  border-color: var(--color-text);
}

.comment-submit {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  padding: 0.75rem 1.5rem;
  border: 1px solid var(--color-text);
  background: var(--color-text);
  color: var(--color-bg);
  cursor: pointer;
  transition: all 0.3s;
  white-space: nowrap;
}

.comment-submit:hover {
  background: transparent;
  color: var(--color-text);
}

/* ========================================
   RELATED WORKS
   ======================================== */
.related-section {
  margin-top: 4rem;
  padding-top: 3rem;
  border-top: 1px solid var(--color-border);
}

.related-title {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 300;
  letter-spacing: 0.15em;
  margin-bottom: 2rem;
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}

.related-card {
  position: relative;
  overflow: hidden;
  cursor: pointer;
  text-decoration: none;
}

.related-card img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  transition: transform 0.6s var(--transition-smooth);
}

.related-card:hover img {
  transform: scale(1.05);
}

.related-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.5), transparent 60%);
  opacity: 0;
  transition: opacity 0.4s;
  display: flex;
  align-items: flex-end;
  padding: 1rem;
}

.related-card:hover .related-card-overlay {
  opacity: 1;
}

.related-card-title {
  font-family: var(--font-serif);
  font-size: 0.8rem;
  color: #fff;
  font-weight: 300;
}

/* ========================================
   LIKE ANIMATION
   ======================================== */
.like-burst {
  position: relative;
}

.like-burst::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 100, 100, 0.2);
  transform: translate(-50%, -50%);
  pointer-events: none;
}

.like-burst.active::after {
  animation: likeBurst 0.6s ease forwards;
}

@keyframes likeBurst {
  0% { width: 0; height: 0; opacity: 1; }
  100% { width: 60px; height: 60px; opacity: 0; }
}

/* ========================================
   ACTIVITY FEED
   ======================================== */
.activity-feed {
  margin-top: 2rem;
}

.activity-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 0;
  border-bottom: 1px solid rgba(255,255,255,0.04);
  font-family: var(--font-sans);
  font-size: 0.8rem;
  color: var(--color-text-light);
}

.activity-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(255,255,255,0.05);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.activity-icon svg {
  width: 14px;
  height: 14px;
  color: var(--color-text-muted);
}

.activity-time {
  margin-left: auto;
  font-size: 0.7rem;
  color: var(--color-text-muted);
}

/* ========================================
   TRENDING TAGS
   ======================================== */
.trending-section {
  padding: 6rem 3rem;
  max-width: 1400px;
  margin: 0 auto;
}

.trending-section .section-title {
  color: var(--color-text);
}

.trending-section .section-subtitle {
  color: var(--color-text-muted);
}

.trending-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
  margin-top: 2.5rem;
}

.trending-tag {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  padding: 0.6rem 1.5rem;
  border: 1px solid var(--color-border);
  color: var(--color-text-light);
  text-decoration: none;
  transition: all 0.4s var(--transition-smooth);
  position: relative;
  overflow: hidden;
  border-radius: 30px;
}

.trending-tag::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--color-text);
  transform: translateY(100%);
  transition: transform 0.4s var(--transition-smooth);
  border-radius: 30px;
}

.trending-tag:hover {
  color: #fff;
  border-color: var(--color-text);
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(0,0,0,0.15);
}

.trending-tag:hover::before {
  transform: translateY(0);
}

.trending-tag span {
  position: relative;
  z-index: 1;
}

/* ========================================
   PHOTO DETAIL ENHANCED
   ======================================== */
.photo-detail-img-wrap {
  position: relative;
  cursor: zoom-in;
  overflow: hidden;
}

.photo-detail-img-wrap::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent 70%, rgba(0,0,0,0.03));
  pointer-events: none;
}

.photo-detail-actions .action-btn {
  position: relative;
  overflow: hidden;
}

.photo-detail-actions .action-btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-light));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s var(--transition-smooth);
  z-index: -1;
}

.photo-detail-actions .action-btn:hover::before {
  transform: scaleX(1);
}

.photo-detail-actions .action-btn:hover {
  color: #fff;
  border-color: var(--color-accent);
}

/* ========================================
   STAGGER ANIMATIONS
   ======================================== */
.stagger-1 { animation-delay: 0.05s; }
.stagger-2 { animation-delay: 0.1s; }
.stagger-3 { animation-delay: 0.15s; }
.stagger-4 { animation-delay: 0.2s; }
.stagger-5 { animation-delay: 0.25s; }
.stagger-6 { animation-delay: 0.3s; }
.stagger-7 { animation-delay: 0.35s; }
.stagger-8 { animation-delay: 0.4s; }
.stagger-9 { animation-delay: 0.45s; }
.stagger-10 { animation-delay: 0.5s; }
.stagger-11 { animation-delay: 0.55s; }
.stagger-12 { animation-delay: 0.6s; }

/* ========================================
   SCROLL PROGRESS BAR
   ======================================== */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent-light));
  z-index: 10002;
  transform-origin: left;
  transform: scaleX(0);
  transition: transform 0.1s linear;
}

/* ========================================
   BACK TO TOP
   ======================================== */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 44px;
  height: 44px;
  border: 1px solid rgba(255,255,255,0.15);
  background: rgba(255,255,255,0.05);
  color: rgba(255,255,255,0.6);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all 0.4s var(--transition-smooth);
  z-index: 100;
  backdrop-filter: blur(10px);
  border-radius: 50%;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  background: rgba(255,255,255,0.1);
  color: #fff;
  border-color: rgba(255,255,255,0.3);
  transform: translateY(-3px);
}

/* ========================================
   ENHANCED PHOTO CARD
   ======================================== */
.photo-card {
  position: relative;
}

.photo-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border: 1px solid transparent;
  transition: border-color 0.4s ease;
  z-index: 2;
  pointer-events: none;
}

.photo-card:hover::before {
  border-color: rgba(0,0,0,0.08);
}

.photo-card .photo-likes {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  font-family: var(--font-sans);
  font-size: 0.7rem;
  color: #fff;
  background: rgba(0,0,0,0.4);
  backdrop-filter: blur(10px);
  padding: 0.25rem 0.5rem;
  border-radius: 2px;
  opacity: 0;
  transition: opacity 0.3s;
  z-index: 3;
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.photo-card:hover .photo-likes {
  opacity: 1;
}

/* ========================================
   FEATURED WORKS CAROUSEL
   ======================================== */
.featured-section {
  padding: 6rem 0;
  overflow: hidden;
  background: #0a0a0a;
}

.featured-section .section-title {
  color: #fff;
}

.featured-section .section-subtitle {
  color: rgba(255,255,255,0.4);
}

.featured-track {
  display: flex;
  gap: 1.5rem;
  animation: scrollLeft 40s linear infinite;
  width: max-content;
}

.featured-track:hover {
  animation-play-state: paused;
}

@keyframes scrollLeft {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

.featured-card {
  flex: 0 0 300px;
  position: relative;
  overflow: hidden;
  cursor: pointer;
  text-decoration: none;
  border-radius: 4px;
  box-shadow: 0 8px 30px rgba(0,0,0,0.4);
  transition: box-shadow 0.5s var(--transition-smooth),
              transform 0.5s var(--transition-smooth);
}

.featured-card:hover {
  box-shadow: 0 16px 50px rgba(0,0,0,0.6);
  transform: translateY(-6px);
}

.featured-card img {
  width: 100%;
  aspect-ratio: 3/4;
  object-fit: cover;
  transition: transform 0.8s var(--transition-smooth),
              filter 0.8s var(--transition-smooth);
}

.featured-card:hover img {
  transform: scale(1.08);
  filter: brightness(1.1);
}

.featured-card-info {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 3rem 1.5rem 1.5rem;
  background: linear-gradient(to top, rgba(0,0,0,0.7) 0%, rgba(0,0,0,0.2) 60%, transparent 100%);
  opacity: 0;
  transition: opacity 0.5s var(--transition-smooth);
}

.featured-card:hover .featured-card-info {
  opacity: 1;
}

.featured-card-title {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  color: #fff;
  font-weight: 300;
  letter-spacing: 0.1em;
  text-shadow: 0 1px 3px rgba(0,0,0,0.3);
}

.featured-card-author {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  color: rgba(255,255,255,0.7);
  margin-top: 0.25rem;
  letter-spacing: 0.05em;
}

/* ========================================
   TESTIMONIALS
   ======================================== */
.testimonials-section {
  padding: 8rem 3rem;
  background: #111;
}

.testimonials-section .section-title {
  color: #fff;
}

.testimonials-section .section-subtitle {
  color: rgba(255,255,255,0.4);
}

.testimonial-card {
  max-width: 600px;
  margin: 0 auto;
  text-align: center;
  padding: 3rem;
}

.testimonial-quote {
  font-family: var(--font-serif);
  font-size: clamp(1.1rem, 2vw, 1.4rem);
  font-weight: 300;
  line-height: 2;
  color: rgba(255,255,255,0.8);
  letter-spacing: 0.05em;
  position: relative;
}

.testimonial-quote::before {
  content: '"';
  font-size: 5rem;
  color: rgba(255,255,255,0.1);
  position: absolute;
  top: -2rem;
  left: -1.5rem;
  font-family: var(--font-serif);
  line-height: 1;
}

.testimonial-author {
  margin-top: 2rem;
  font-family: var(--font-sans);
  font-size: 0.8rem;
  color: rgba(255,255,255,0.4);
  letter-spacing: 0.15em;
}

/* ========================================
   MOBILE NAV MENU
   ======================================== */
.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  color: var(--color-text);
}

.mobile-menu-btn svg {
  width: 20px;
  height: 20px;
}

@media (max-width: 768px) {
  .mobile-menu-btn {
    display: flex;
  }

  .nav-right {
    gap: 0.8rem;
  }

  .nav-post-btn {
    display: none;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(10,10,10,0.95);
    backdrop-filter: blur(20px);
    padding: 1.5rem;
    flex-direction: column;
    gap: 1rem;
    border-bottom: 1px solid var(--color-border);
  }

  .nav-links.open {
    display: flex;
  }

  .related-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .featured-card {
    flex: 0 0 250px;
  }

  .comment-input-wrap {
    flex-direction: column;
  }
}