:root {
  --color-cream: #F6F1E4;
  --color-parchment: #EDE6D1;
  --color-terracotta: #B85C38;
  --color-terracotta-dark: #8A4226;
  --color-brown: #3E2723;
  --color-brown-light: #5D4037;
  --color-brass: #C5B358;
  --color-brass-dark: #9E8B36;

  --font-serif: 'Cormorant Garamond', 'Playfair Display', Georgia, serif;
  --font-sans: 'Inter', 'Source Sans Pro', system-ui, sans-serif;
  --font-mono: 'IBM Plex Mono', 'Courier New', monospace;

  --transition-base: cubic-bezier(0.22, 1, 0.36, 1);
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  color: var(--color-brown);
  background-color: var(--color-cream);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  display: block;
}

/* Utilities */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 100px 0;
}

.alt-bg {
  background-color: var(--color-parchment);
}

.section-header {
  margin-bottom: 64px;
  max-width: 720px;
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 3.2rem);
  color: var(--color-brown);
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 16px;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 60px;
  height: 2px;
  background: var(--color-terracotta);
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--color-brown-light);
  line-height: 1.6;
}

.reveal {
  opacity: 0;
  transform: translateY(40px) scale(0.98);
  transition: opacity 0.8s var(--transition-base), transform 0.8s var(--transition-base);
}

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

/* Header */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(246, 241, 228, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(184, 92, 56, 0.12);
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 72px;
}

.logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  color: var(--color-brown);
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 1.25rem;
}

.logo-icon {
  color: var(--color-brass);
  margin-right: 10px;
  font-size: 1.4em;
  line-height: 1;
}

.main-nav .nav-list {
  display: flex;
  gap: 32px;
  list-style: none;
}

.nav-list a {
  text-decoration: none;
  color: var(--color-brown);
  font-weight: 500;
  font-size: 0.88rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  position: relative;
  transition: color 0.3s;
}

.nav-list a::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-terracotta);
  transition: width 0.3s var(--transition-base);
}

.nav-list a:hover {
  color: var(--color-terracotta-dark);
}

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

.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.toggle-line {
  display: block;
  width: 28px;
  height: 2px;
  background: var(--color-brown);
  transition: all 0.3s;
}

.mobile-toggle.active .toggle-line:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.mobile-toggle.active .toggle-line:nth-child(2) {
  opacity: 0;
}

.mobile-toggle.active .toggle-line:nth-child(3) {
  transform: rotate(-45deg) translate(6px, -6px);
}

/* Hero */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 0;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('https://images.unsplash.com/photo-1558591710-4b4a1ae0f04d?q=80&w=2070&auto=format&fit=crop');
  background-size: cover;
  background-position: center;
  z-index: 1;
}

.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(rgba(62, 39, 35, 0.78), rgba(62, 39, 35, 0.6));
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
}

.hero-tag {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-brass);
  margin-bottom: 24px;
  display: inline-block;
  border-bottom: 1px solid var(--color-brass);
  padding-bottom: 8px;
}

.hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(2.6rem, 6vw, 4.8rem);
  color: var(--color-cream);
  line-height: 1.15;
  margin-bottom: 24px;
  font-weight: 700;
}

.hero-subtitle {
  font-size: 1.125rem;
  color: rgba(246, 241, 228, 0.85);
  max-width: 560px;
  margin-bottom: 40px;
  line-height: 1.6;
}

.btn {
  display: inline-block;
  padding: 18px 36px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.3s;
}

.btn-primary {
  background: var(--color-brass);
  color: var(--color-cream);
  border-color: var(--color-brass);
}

.btn-primary:hover {
  background: var(--color-brass-dark);
  border-color: var(--color-brass-dark);
}

/* About */
.about-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.about-text .section-lead {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-style: italic;
  color: var(--color-terracotta-dark);
  margin-bottom: 20px;
  line-height: 1.5;
}

.about-text p {
  margin-bottom: 16px;
  color: var(--color-brown-light);
}

.about-media {
  position: relative;
}

.about-media img {
  width: 100%;
  border: 1px solid var(--color-brass);
}

.about-media::before {
  content: '';
  position: absolute;
  top: 16px;
  left: 16px;
  width: 100%;
  height: 100%;
  border: 2px solid var(--color-brass);
  z-index: -1;
  opacity: 0.6;
}

.media-caption {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-terracotta);
  margin-top: 16px;
  border-top: 1px solid var(--color-brass);
  padding-top: 10px;
}

/* Education */
.directions-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 32px;
}

.direction-card {
  background: var(--color-cream);
  border: 1px solid rgba(62, 39, 35, 0.08);
  padding: 40px 32px;
  transition: transform 0.3s, box-shadow 0.3s;
}

.direction-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 40px rgba(62, 39, 35, 0.08);
  border-color: rgba(184, 92, 56, 0.2);
}

.card-icon {
  color: var(--color-terracotta);
  margin-bottom: 20px;
}

.direction-card h3 {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  margin-bottom: 12px;
  color: var(--color-brown);
}

.direction-card p {
  font-size: 0.95rem;
  color: var(--color-brown-light);
  line-height: 1.6;
}

/* Workshop */
.workshop-tools {
  display: flex;
  flex-direction: column;
  gap: 80px;
}

.tool-title {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  margin-bottom: 24px;
  color: var(--color-brown);
  position: relative;
  padding-bottom: 10px;
}

.tool-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 40px;
  height: 2px;
  background: var(--color-terracotta);
}

/* Reconstruction Viewer */
.reconstruction-viewer {
  background: var(--color-cream);
  border: 1px solid rgba(184, 92, 56, 0.2);
  padding: 24px;
}

.viewer-frame {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--color-brown);
}

.viewer-stage {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: filter 0.8s ease;
}

.viewer-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(to top, rgba(62, 39, 35, 0.85), transparent);
  color: var(--color-cream);
  padding: 20px 24px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 0.02em;
}

.viewer-controls {
  margin-top: 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.viewer-btn {
  background: transparent;
  border: 1px solid var(--color-brass-dark);
  color: var(--color-brown);
  padding: 12px 24px;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  transition: all 0.3s;
}

.viewer-btn:hover,
.viewer-btn.active {
  background: var(--color-brass);
  color: var(--color-cream);
  border-color: var(--color-brass);
}

.stage-damage { filter: grayscale(0.8) sepia(0.5) brightness(0.55) contrast(1.15); }
.stage-ai { filter: saturate(1.25) contrast(1.1) brightness(1.05) sepia(0.1); }
.stage-final { filter: none; }

/* Before / After */
.ba-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.ba-wrapper {
  user-select: none;
  touch-action: pan-y;
}

.ba-container {
  --pos: 50;
  position: relative;
  width: 100%;
  aspect-ratio: 3 / 2;
  overflow: hidden;
  cursor: ew-resize;
  border: 1px solid rgba(62, 39, 35, 0.2);
}

.ba-before,
.ba-after-wrapper {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
}

.ba-before {
  width: 100%;
  object-fit: cover;
  filter: grayscale(0.9) sepia(0.6) brightness(0.5) contrast(1.1);
}

.ba-after-wrapper {
  width: calc(var(--pos) * 1%);
  overflow: hidden;
}

.ba-after {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: left center;
}

.ba-slider {
  position: absolute;
  top: 0;
  bottom: 0;
  left: calc(var(--pos) * 1%);
  width: 4px;
  background: var(--color-brass);
  transform: translateX(-50%);
  pointer-events: none;
  z-index: 10;
}

.ba-handle {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--color-brass);
  border: 3px solid var(--color-cream);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(62, 39, 35, 0.25);
}

.ba-handle::before {
  content: '‹ ›';
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--color-cream);
  letter-spacing: 2px;
}

.ba-labels {
  display: flex;
  justify-content: space-between;
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-brown);
}

/* Timeline */
.timeline-section {
  border-top: 1px solid rgba(184, 92, 56, 0.2);
  padding-top: 40px;
}

.timeline {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}

.timeline-track {
  position: relative;
  padding-left: 36px;
  display: flex;
  flex-direction: column;
}

.timeline-track::before {
  content: '';
  position: absolute;
  left: 10px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: rgba(62, 39, 35, 0.12);
}

.timeline-node {
  display: block;
  text-align: left;
  background: transparent;
  border: none;
  padding: 14px 0 14px 0;
  position: relative;
  cursor: pointer;
  opacity: 0.55;
  transition: opacity 0.3s;
  width: 100%;
}

.timeline-node::before {
  content: '';
  position: absolute;
  left: -30px;
  top: 21px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--color-cream);
  border: 2px solid var(--color-brass);
  transition: background 0.3s;
  z-index: 2;
}

.timeline-node.active {
  opacity: 1;
}

.timeline-node.active::before {
  background: var(--color-brass);
}

.timeline-node:hover {
  opacity: 0.85;
}

.timeline-node.active:hover {
  opacity: 1;
}

.node-year {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--color-terracotta);
  display: block;
  margin-bottom: 2px;
}

.node-label {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  color: var(--color-brown);
  display: block;
}

.timeline-panel {
  background: var(--color-cream);
  border: 1px solid rgba(62, 39, 35, 0.08);
  padding: 36px;
  position: sticky;
  top: 100px;
}

.timeline-panel h4 {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  margin-bottom: 16px;
  color: var(--color-terracotta-dark);
}

.timeline-panel p {
  font-size: 1rem;
  line-height: 1.7;
  margin-bottom: 16px;
  color: var(--color-brown-light);
}

.timeline-meta {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-terracotta);
  padding-top: 12px;
  border-top: 1px solid var(--color-brass);
  display: block;
}

.timeline-panel h4,
.timeline-panel p,
.timeline-panel .timeline-meta {
  transition: opacity 0.25s ease;
}

/* Projects */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 32px;
}

.project-card {
  background: var(--color-cream);
  border: 1px solid rgba(62, 39, 35, 0.08);
  display: flex;
  flex-direction: column;
  transition: transform 0.3s, box-shadow 0.3s;
}

.project-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 32px rgba(62, 39, 35, 0.1);
}

.project-image {
  aspect-ratio: 4 / 3;
  overflow: hidden;
}

.project-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--transition-base);
}

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

.project-body {
  padding: 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.project-tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-terracotta);
  margin-bottom: 8px;
}

.project-body h3 {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  margin-bottom: 10px;
  color: var(--color-brown);
}

.project-body p {
  font-size: 0.9rem;
  color: var(--color-brown-light);
  line-height: 1.55;
}

/* Contact */
.contact-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.contact-info .section-lead {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-style: italic;
  color: var(--color-terracotta-dark);
  margin-bottom: 32px;
  line-height: 1.5;
}

.contact-details {
  font-style: normal;
}

.contact-item {
  margin-bottom: 28px;
  display: flex;
  flex-direction: column;
}

.contact-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-terracotta);
  margin-bottom: 6px;
}

.contact-item a,
.contact-item p {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  color: var(--color-brown);
  text-decoration: none;
  line-height: 1.4;
}

.contact-item a:hover {
  text-decoration: underline;
  color: var(--color-terracotta-dark);
}

.map-placeholder {
  aspect-ratio: 4 / 3;
  background-color: var(--color-cream);
  border: 2px solid var(--color-brass);
  position: relative;
  overflow: hidden;
  background-image:
    linear-gradient(rgba(197, 179, 88, 0.2) 1px, transparent 1px),
    linear-gradient(90deg, rgba(197, 179, 88, 0.2) 1px, transparent 1px);
  background-size: 32px 32px;
}

.map-pin {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: var(--color-terracotta);
  color: var(--color-cream);
  padding: 12px 20px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  border: 2px solid var(--color-cream);
  box-shadow: 0 8px 24px rgba(62, 39, 35, 0.25);
  white-space: nowrap;
}

/* Footer */
.site-footer {
  background: var(--color-brown);
  color: rgba(246, 241, 228, 0.7);
  padding: 36px 0;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.04em;
}

/* Responsive */
@media (max-width: 1024px) {
  .about-inner,
  .contact-inner,
  .timeline {
    grid-template-columns: 1fr;
  }

  .timeline-panel {
    position: static;
  }
}

@media (max-width: 768px) {
  .section {
    padding: 72px 0;
  }

  .header-inner {
    height: 68px;
  }

  .mobile-toggle {
    display: flex;
    z-index: 1001;
  }

  .main-nav {
    position: absolute;
    top: 68px;
    left: 0;
    width: 100%;
    background: var(--color-cream);
    border-bottom: 1px solid var(--color-brass);
    padding: 24px 24px 32px;
    opacity: 0;
    pointer-events: none;
    transform: translateY(-10px);
    transition: all 0.3s var(--transition-base);
    display: block;
  }

  .main-nav.open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .nav-list {
    flex-direction: column;
    gap: 16px;
  }

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

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

@media (max-width: 480px) {
  .hero h1 {
    font-size: 2.2rem;
  }

  .btn {
    padding: 14px 28px;
    font-size: 0.8rem;
  }

  .direction-card {
    padding: 32px 24px;
  }

  .reconstruction-viewer {
    padding: 16px;
  }
}