/* ============================================
   THUS THEY SPOKE - Global Styles
   Museum meets Web3 Aesthetic
   ============================================ */

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

/* ---------- Custom Properties (Design Tokens) ---------- */
:root {
  /* Colors - Dark Museum Palette */
  --color-void: #0a0a0b;
  --color-obsidian: #121214;
  --color-charcoal: #1a1a1e;
  --color-slate: #2a2a30;
  --color-ash: #3a3a42;
  --color-marble: #f5f5f3;
  --color-ivory: #e8e8e4;
  --color-smoke: #a0a0a0;
  --color-mist: #6a6a70;
  
  /* Neon Accents - Web3 */
  --color-neon-cyan: #00f0ff;
  --color-neon-purple: #a855f7;
  --color-neon-violet: #7c3aed;
  --color-neon-glow: rgba(0, 240, 255, 0.15);
  --color-purple-glow: rgba(168, 85, 247, 0.15);
  
  /* Typography */
  --font-serif: 'Cormorant Garamond', 'Times New Roman', serif;
  --font-sans: 'Outfit', 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Consolas', monospace;
  
  /* Font Sizes - Fluid Typography */
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.9rem + 0.5vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.6vw, 1.25rem);
  --text-xl: clamp(1.25rem, 1.1rem + 0.75vw, 1.5rem);
  --text-2xl: clamp(1.5rem, 1.25rem + 1.25vw, 2rem);
  --text-3xl: clamp(2rem, 1.5rem + 2.5vw, 3rem);
  --text-4xl: clamp(2.5rem, 1.75rem + 3.75vw, 4.5rem);
  --text-5xl: clamp(3rem, 2rem + 5vw, 6rem);
  
  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;
  
  /* Layout */
  --max-width: 1400px;
  --max-width-narrow: 900px;
  --max-width-text: 720px;
  
  /* Borders & Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 20px;
  
  /* Shadows */
  --shadow-subtle: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-medium: 0 4px 20px rgba(0, 0, 0, 0.4);
  --shadow-elevated: 0 8px 40px rgba(0, 0, 0, 0.5);
  --shadow-neon-cyan: 0 0 20px var(--color-neon-glow), 0 0 40px var(--color-neon-glow);
  --shadow-neon-purple: 0 0 20px var(--color-purple-glow), 0 0 40px var(--color-purple-glow);
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 600ms cubic-bezier(0.22, 1, 0.36, 1);
}

/* ---------- Base Styles ---------- */
html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--color-marble);
  background-color: var(--color-void);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* Selection Style */
::selection {
  background: var(--color-neon-purple);
  color: var(--color-void);
}

/* ---------- Typography ---------- */
h1, h2, h3, h4 {
  font-family: var(--font-serif);
  font-weight: 400;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

h1 { font-size: var(--text-5xl); }
h2 { font-size: var(--text-4xl); }
h3 { font-size: var(--text-3xl); }
h4 { font-size: var(--text-2xl); }

.text-serif { font-family: var(--font-serif); }
.text-sans { font-family: var(--font-sans); }
.text-mono { font-family: var(--font-mono); }

.text-muted { color: var(--color-smoke); }
.text-accent { color: var(--color-neon-cyan); }
.text-accent-purple { color: var(--color-neon-purple); }

/* ---------- Links ---------- */
a {
  color: var(--color-marble);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-neon-cyan);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-8);
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-marble);
  background: transparent;
  border: 1px solid var(--color-ash);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, var(--color-neon-glow), transparent);
  transform: translateX(-100%);
  transition: transform var(--transition-slow);
}

.btn:hover {
  border-color: var(--color-neon-cyan);
  box-shadow: var(--shadow-neon-cyan);
}

.btn:hover::before {
  transform: translateX(100%);
}

.btn-primary {
  background: var(--color-charcoal);
  border-color: var(--color-neon-cyan);
}

.btn-ghost {
  border-color: transparent;
  padding: var(--space-2) var(--space-4);
}

.btn-ghost:hover {
  border-color: transparent;
  box-shadow: none;
  color: var(--color-neon-cyan);
}

/* ---------- Container ---------- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.container-narrow {
  max-width: var(--max-width-narrow);
}

.container-text {
  max-width: var(--max-width-text);
}

/* ---------- Navigation ---------- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: var(--space-5) 0;
  background: linear-gradient(to bottom, var(--color-void), transparent);
  transition: background var(--transition-base);
}

.nav.scrolled {
  background: rgba(10, 10, 11, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-charcoal);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: var(--font-serif);
  font-size: var(--text-xl);
  font-weight: 400;
  letter-spacing: 0.02em;
}

.nav-logo span {
  color: var(--color-neon-cyan);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  list-style: none;
}

.nav-links a {
  font-size: var(--text-sm);
  font-weight: 400;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-smoke);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-neon-cyan);
  transition: width var(--transition-base);
}

.nav-links a:hover {
  color: var(--color-marble);
}

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

.nav-links a.active {
  color: var(--color-neon-cyan);
}

/* Mobile Menu */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-marble);
  transition: all var(--transition-base);
}

@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }
  
  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    height: 100vh;
    flex-direction: column;
    justify-content: center;
    background: var(--color-void);
    transition: right var(--transition-smooth);
  }
  
  .nav-links.open {
    right: 0;
  }
  
  .nav-links a {
    font-size: var(--text-2xl);
  }
}

/* ---------- Hero Section ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-32) var(--space-6);
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: 
    radial-gradient(ellipse at 50% 30%, var(--color-charcoal) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 80%, var(--color-purple-glow) 0%, transparent 40%),
    radial-gradient(ellipse at 20% 70%, var(--color-neon-glow) 0%, transparent 40%);
  opacity: 0.5;
}

.hero-statue {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 60vmin;
  height: 80vmin;
  background: linear-gradient(180deg, var(--color-slate) 0%, transparent 100%);
  mask-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 300' xmlns='http://www.w3.org/2000/svg'%3E%3Cellipse cx='100' cy='80' rx='45' ry='55'/%3E%3Crect x='70' y='130' width='60' height='120' rx='10'/%3E%3C/svg%3E");
  mask-size: contain;
  mask-repeat: no-repeat;
  mask-position: center;
  filter: blur(40px);
  opacity: 0.3;
  animation: float 8s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translate(-50%, -50%) translateY(0); }
  50% { transform: translate(-50%, -50%) translateY(-20px); }
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 900px;
}

.hero-tagline {
  font-family: var(--font-serif);
  font-size: var(--text-5xl);
  font-weight: 400;
  font-style: italic;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-6);
  background: linear-gradient(135deg, var(--color-marble) 0%, var(--color-ivory) 50%, var(--color-neon-cyan) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: fadeInUp 1s ease-out;
}

.hero-subline {
  font-size: var(--text-lg);
  color: var(--color-smoke);
  max-width: 600px;
  margin: 0 auto var(--space-10);
  line-height: 1.8;
  animation: fadeInUp 1s ease-out 0.2s backwards;
}

.hero-cta {
  animation: fadeInUp 1s ease-out 0.4s backwards;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ---------- Featured Philosopher Card ---------- */
.featured {
  padding: var(--space-24) 0;
  position: relative;
}

.featured::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 1px;
  height: 80px;
  background: linear-gradient(to bottom, transparent, var(--color-ash));
}

.section-label {
  font-family: var(--font-sans);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-neon-cyan);
  text-align: center;
  margin-bottom: var(--space-4);
}

.featured-card {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--space-12);
  background: var(--color-obsidian);
  border: 1px solid var(--color-charcoal);
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
}

.featured-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-ash), transparent);
}

.featured-image {
  position: relative;
  aspect-ratio: 3/4;
  background: linear-gradient(135deg, var(--color-charcoal) 0%, var(--color-slate) 100%);
  overflow: hidden;
}

.featured-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(30%);
  transition: all var(--transition-slow);
}

.featured-card:hover .featured-image img {
  filter: grayscale(0%);
  transform: scale(1.02);
}

.featured-image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, var(--color-obsidian) 0%, transparent 30%);
}

.featured-content {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: var(--space-12) var(--space-12) var(--space-12) 0;
}

.featured-name {
  font-family: var(--font-serif);
  font-size: var(--text-4xl);
  font-weight: 400;
  margin-bottom: var(--space-8);
  position: relative;
}

.featured-name::after {
  content: '';
  display: block;
  width: 60px;
  height: 2px;
  background: var(--color-neon-cyan);
  margin-top: var(--space-4);
}

.featured-quote {
  font-family: var(--font-serif);
  font-size: var(--text-2xl);
  font-style: italic;
  line-height: 1.5;
  color: var(--color-ivory);
  margin-bottom: var(--space-6);
  position: relative;
  padding-left: var(--space-6);
  border-left: 2px solid var(--color-ash);
}

.featured-interpretation {
  font-size: var(--text-base);
  color: var(--color-smoke);
  margin-bottom: var(--space-8);
  padding-left: var(--space-6);
}

.featured-interpretation::before {
  content: 'Web3 Interpretation';
  display: block;
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-neon-purple);
  margin-bottom: var(--space-2);
}

@media (max-width: 900px) {
  .featured-card {
    grid-template-columns: 1fr;
  }
  
  .featured-image {
    aspect-ratio: 16/9;
  }
  
  .featured-content {
    padding: var(--space-8);
  }
}

/* ---------- Quote Gallery Grid ---------- */
.gallery {
  padding: var(--space-24) 0;
}

.gallery-header {
  text-align: center;
  margin-bottom: var(--space-16);
}

.gallery-title {
  margin-bottom: var(--space-4);
}

.gallery-subtitle {
  color: var(--color-smoke);
  font-size: var(--text-lg);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

@media (max-width: 1100px) {
  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 680px) {
  .gallery-grid {
    grid-template-columns: 1fr;
  }
}

.quote-card {
  background: var(--color-obsidian);
  border: 1px solid var(--color-charcoal);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all var(--transition-base);
  position: relative;
  cursor: pointer;
  animation: cardFadeIn 0.5s ease-out forwards;
}

.quote-card:nth-child(1) { animation-delay: 0s; }
.quote-card:nth-child(2) { animation-delay: 0.08s; }
.quote-card:nth-child(3) { animation-delay: 0.16s; }
.quote-card:nth-child(4) { animation-delay: 0.24s; }
.quote-card:nth-child(5) { animation-delay: 0.32s; }
.quote-card:nth-child(6) { animation-delay: 0.4s; }
.quote-card:nth-child(7) { animation-delay: 0.48s; }
.quote-card:nth-child(8) { animation-delay: 0.56s; }
.quote-card:nth-child(9) { animation-delay: 0.64s; }
.quote-card:nth-child(10) { animation-delay: 0.72s; }
.quote-card:nth-child(11) { animation-delay: 0.8s; }
.quote-card:nth-child(12) { animation-delay: 0.88s; }

@keyframes cardFadeIn {
  0% {
    opacity: 0;
    transform: translateY(20px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Fallback for images that don't load */
.quote-card-image {
  min-height: 200px;
}

.quote-card::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: var(--radius-md);
  padding: 1px;
  background: linear-gradient(135deg, transparent 0%, var(--color-neon-cyan) 50%, transparent 100%);
  -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;
  opacity: 0;
  transition: opacity var(--transition-base);
}

.quote-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-neon-cyan);
}

.quote-card:hover::before {
  opacity: 1;
}

.quote-card-image {
  position: relative;
  aspect-ratio: 4/3;
  overflow: hidden;
  background: linear-gradient(135deg, var(--color-charcoal), var(--color-slate));
}

.quote-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(50%);
  transition: all var(--transition-slow);
}

.quote-card:hover .quote-card-image img {
  filter: grayscale(0%);
  transform: scale(1.08);
}

.quote-card-content {
  padding: var(--space-6);
}

.quote-card-name {
  font-family: var(--font-serif);
  font-size: var(--text-xl);
  margin-bottom: var(--space-3);
}

.quote-card-text {
  font-family: var(--font-serif);
  font-size: var(--text-base);
  font-style: italic;
  color: var(--color-ivory);
  margin-bottom: var(--space-3);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.quote-card-spin {
  font-size: var(--text-sm);
  color: var(--color-neon-cyan);
  margin-bottom: var(--space-4);
}

.quote-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.tag {
  font-size: var(--text-xs);
  color: var(--color-mist);
  background: var(--color-charcoal);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.tag:hover {
  color: var(--color-neon-purple);
  background: var(--color-purple-glow);
}

/* ---------- Mission Section ---------- */
.mission {
  padding: var(--space-32) 0;
  text-align: center;
  position: relative;
}

.mission::before,
.mission::after {
  content: '';
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: 1px;
  height: 100px;
  background: linear-gradient(to bottom, transparent, var(--color-ash), transparent);
}

.mission::before { top: 0; }
.mission::after { bottom: 0; }

.mission-content {
  max-width: var(--max-width-text);
  margin: 0 auto;
}

.mission-quote {
  font-family: var(--font-serif);
  font-size: var(--text-2xl);
  font-style: italic;
  line-height: 1.7;
  color: var(--color-ivory);
  margin-bottom: var(--space-8);
}

.mission-quote strong {
  color: var(--color-neon-cyan);
  font-weight: 400;
}

/* ---------- About Artist Section ---------- */
.about-artist {
  padding: var(--space-20) 0;
}

.artist-card {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-8);
  max-width: 600px;
  margin: 0 auto;
  padding: var(--space-8);
  background: var(--color-obsidian);
  border: 1px solid var(--color-charcoal);
  border-radius: var(--radius-lg);
}

.artist-avatar {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-neon-cyan), var(--color-neon-purple));
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
  font-size: var(--text-3xl);
  color: var(--color-void);
}

.artist-info h4 {
  margin-bottom: var(--space-2);
}

.artist-role {
  font-size: var(--text-sm);
  color: var(--color-neon-cyan);
  margin-bottom: var(--space-4);
}

.artist-bio {
  color: var(--color-smoke);
  line-height: 1.7;
}

@media (max-width: 500px) {
  .artist-card {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .artist-avatar {
    margin: 0 auto;
  }
}

/* ---------- Footer ---------- */
.footer {
  padding: var(--space-16) 0 var(--space-8);
  position: relative;
}

.footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: 
    repeating-linear-gradient(
      90deg,
      var(--color-charcoal) 0px,
      var(--color-charcoal) 4px,
      var(--color-slate) 4px,
      var(--color-slate) 8px
    );
  opacity: 0.5;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-6);
}

.footer-brand {
  font-family: var(--font-serif);
  font-size: var(--text-xl);
}

.footer-links {
  display: flex;
  gap: var(--space-6);
  list-style: none;
}

.footer-links a {
  font-size: var(--text-sm);
  color: var(--color-smoke);
}

.footer-links a:hover {
  color: var(--color-neon-cyan);
}

.footer-social {
  display: flex;
  gap: var(--space-4);
}

.footer-social a {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-ash);
  border-radius: 50%;
  color: var(--color-smoke);
  transition: all var(--transition-base);
}

.footer-social a:hover {
  border-color: var(--color-neon-cyan);
  color: var(--color-neon-cyan);
  box-shadow: var(--shadow-neon-cyan);
}

.footer-bottom {
  margin-top: var(--space-8);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-charcoal);
  text-align: center;
  font-size: var(--text-sm);
  color: var(--color-mist);
}

@media (max-width: 700px) {
  .footer-inner {
    flex-direction: column;
    text-align: center;
  }
}

/* ---------- Philosopher Detail Page ---------- */
.philosopher-hero {
  padding: var(--space-32) 0 var(--space-20);
  position: relative;
}

.philosopher-hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 200px;
  background: linear-gradient(to top, var(--color-void), transparent);
  pointer-events: none;
}

.philosopher-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: var(--space-16);
  align-items: start;
}

.philosopher-image {
  position: sticky;
  top: 120px;
  aspect-ratio: 3/4;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: linear-gradient(135deg, var(--color-charcoal), var(--color-slate));
}

.philosopher-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.philosopher-content {
  padding-right: var(--space-12);
}

.philosopher-name {
  font-size: var(--text-5xl);
  margin-bottom: var(--space-4);
}

.philosopher-dates {
  font-size: var(--text-lg);
  color: var(--color-mist);
  margin-bottom: var(--space-10);
}

.philosopher-section {
  margin-bottom: var(--space-12);
}

.philosopher-section h3 {
  font-size: var(--text-xl);
  margin-bottom: var(--space-4);
  color: var(--color-neon-cyan);
  font-family: var(--font-sans);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.philosopher-quote-block {
  font-family: var(--font-serif);
  font-size: var(--text-2xl);
  font-style: italic;
  line-height: 1.6;
  color: var(--color-ivory);
  padding: var(--space-6);
  background: var(--color-obsidian);
  border-left: 3px solid var(--color-neon-cyan);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin-bottom: var(--space-6);
}

.philosopher-interpretation-block {
  padding: var(--space-6);
  background: linear-gradient(135deg, var(--color-purple-glow), transparent);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-neon-purple);
}

.philosopher-interpretation-block h4 {
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-neon-purple);
  margin-bottom: var(--space-3);
}

.philosopher-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

@media (max-width: 900px) {
  .philosopher-grid {
    grid-template-columns: 1fr;
  }
  
  .philosopher-image {
    position: static;
    max-width: 400px;
    margin: 0 auto var(--space-8);
  }
  
  .philosopher-content {
    padding-right: 0;
  }
}

/* ---------- About Page ---------- */
.about-hero {
  padding: var(--space-32) 0 var(--space-20);
  text-align: center;
}

.about-hero h1 {
  margin-bottom: var(--space-6);
}

.about-hero p {
  font-size: var(--text-xl);
  color: var(--color-smoke);
  max-width: 700px;
  margin: 0 auto;
}

.about-sections {
  padding-bottom: var(--space-24);
}

.about-section {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: var(--space-12);
  margin-bottom: var(--space-16);
  padding-bottom: var(--space-16);
  border-bottom: 1px solid var(--color-charcoal);
}

.about-section:last-child {
  border-bottom: none;
}

.about-section-title {
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-neon-cyan);
}

.about-section-content {
  font-size: var(--text-lg);
  color: var(--color-smoke);
  line-height: 1.8;
}

.about-section-content strong {
  color: var(--color-marble);
}

@media (max-width: 768px) {
  .about-section {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }
}

/* ---------- Gallery Page ---------- */
.gallery-hero {
  padding: var(--space-32) 0 var(--space-12);
  text-align: center;
}

.gallery-filters {
  display: flex;
  justify-content: center;
  gap: var(--space-4);
  margin-bottom: var(--space-12);
  flex-wrap: wrap;
}

.filter-btn {
  padding: var(--space-2) var(--space-5);
  font-size: var(--text-sm);
  color: var(--color-smoke);
  background: transparent;
  border: 1px solid var(--color-ash);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-base);
}

.filter-btn:hover,
.filter-btn.active {
  color: var(--color-neon-cyan);
  border-color: var(--color-neon-cyan);
  background: var(--color-neon-glow);
}

/* ---------- Utility Classes ---------- */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.fade-in {
  animation: fadeIn 0.6s ease-out;
}

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

.slide-up {
  animation: slideUp 0.6s ease-out;
}

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

/* Stagger Animation Delays */
.stagger-1 { animation-delay: 0.1s; }
.stagger-2 { animation-delay: 0.2s; }
.stagger-3 { animation-delay: 0.3s; }
.stagger-4 { animation-delay: 0.4s; }
.stagger-5 { animation-delay: 0.5s; }
.stagger-6 { animation-delay: 0.6s; }

/* Marble Texture Effect */
.marble-texture {
  background-image: 
    url("data:image/svg+xml,%3Csvg viewBox='0 0 400 400' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.08'/%3E%3C/svg%3E");
}

/* Neon Glow Pulse */
.neon-pulse {
  animation: neonPulse 2s ease-in-out infinite;
}

@keyframes neonPulse {
  0%, 100% {
    box-shadow: 0 0 5px var(--color-neon-cyan), 0 0 10px var(--color-neon-glow);
  }
  50% {
    box-shadow: 0 0 20px var(--color-neon-cyan), 0 0 40px var(--color-neon-glow);
  }
}