:root {
  --paper-50: #faf7f0;
  --paper-100: #f4efe3;
  --paper-200: #ece4d3;
  --paper-300: #ddd2ba;
  --ink-900: #2c2a24;
  --ink-700: #4a463c;
  --ink-500: #6f6a5c;
  --ink-300: #a29c8a;
  --sage-700: #4f5c40;
  --sage-600: #647456;
  --sage-500: #7c8c68;
  --sage-300: #a9b596;
  --sage-100: #dbe2cd;
  --terracotta-700: #8a3d29;
  --terracotta-600: #a8503a;
  --terracotta-500: #bd6a4e;
  --terracotta-100: #ecdad2;
  --ochre-600: #a9853f;
  --ochre-500: #c7a463;
  --ochre-100: #ede1c3;
  --slate-blue-600: #4f6d7a;
  --slate-blue-500: #6e8fa0;
  --slate-blue-100: #d6e2e6;
  --umber-800: #3a2f24;
  --umber-600: #5b4a3a;

  --color-bg-page: var(--paper-100);
  --color-bg-panel: var(--paper-50);
  --color-bg-inset: var(--paper-200);
  --color-border: var(--paper-300);
  --color-border-strong: var(--ink-300);
  --color-text-primary: var(--ink-900);
  --color-text-secondary: var(--ink-700);
  --color-text-muted: var(--ink-500);
  --color-accent-primary: var(--sage-600);
  --color-accent-primary-strong: var(--sage-700);
  --color-accent-secondary: var(--terracotta-600);
  --color-accent-field: var(--ochre-500);
  --color-accent-water: var(--slate-blue-500);

  --font-serif-display: 'EB Garamond', 'Adobe Caslon Pro', Georgia, serif;
  --font-serif-body: 'EB Garamond', 'Adobe Caslon Pro', Georgia, serif;
  --font-sans-ui: 'Public Sans', -apple-system, 'Segoe UI', sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--color-bg-page);
  color: var(--color-text-primary);
  font-family: var(--font-serif-body);
}

a { color: var(--color-accent-primary-strong); }
a:hover { color: var(--color-accent-secondary); }

img { max-width: 100%; }

button { font: inherit; }

/* ---------- Nav ---------- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 56px;
  background: rgba(250, 247, 240, 0.94);
  border-bottom: 1px solid var(--color-border);
  opacity: 0;
  transform: translateY(-8px);
  pointer-events: none;
  transition: opacity 200ms ease, transform 200ms ease;
}
.nav.is-visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}
.nav .wordmark {
  font-family: var(--font-serif-display);
  font-size: 19px;
  color: var(--color-accent-primary-strong);
}
.nav .nav-links {
  display: flex;
  gap: 32px;
  font-family: var(--font-sans-ui);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.nav .nav-links a {
  text-decoration: none;
  color: var(--color-text-secondary);
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  height: 92vh;
  min-height: 560px;
  overflow: hidden;
}
.hero img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
}
.hero .hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(0deg, rgba(44,42,36,0.72) 0%, rgba(44,42,36,0.18) 45%, rgba(44,42,36,0.05) 70%);
  pointer-events: none;
}
.hero .hero-card {
  position: absolute;
  left: 56px; bottom: 64px;
  width: 365px;
  background: rgba(250,247,240,0.9);
  padding: 28px 32px;
  pointer-events: none;
}
.hero .hero-card h1 {
  margin: 0;
  font-family: var(--font-serif-display);
  font-weight: 400;
  font-size: 44px;
  line-height: 1.15;
  color: var(--color-text-primary);
}
.hero .hero-card .kicker {
  margin: 8px 0 0;
  font-family: var(--font-sans-ui);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent-primary-strong);
}
.hero .hero-card .tagline {
  margin: 14px 0 0;
  font-family: var(--font-serif-body);
  font-size: 17px;
  line-height: 1.5;
  color: var(--color-text-secondary);
}

/* ---------- Section header ---------- */
.section-header .kicker {
  font-family: var(--font-sans-ui);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent-primary-strong);
  margin: 0 0 10px;
}
.section-header .title {
  font-family: var(--font-serif-display);
  font-weight: 400;
  font-size: 32px;
  line-height: 1.2;
  color: var(--color-text-primary);
  margin: 0 0 18px;
}
.section-header .rule {
  height: 1px;
  width: 64px;
  background: var(--color-border-strong);
  margin: 0 0 18px;
}
.section-header .byline {
  font-family: var(--font-serif-body);
  font-style: italic;
  font-size: 14px;
  line-height: 1.4;
  color: var(--color-text-secondary);
  margin: 0;
  max-width: 560px;
}
.section-header.align-center {
  text-align: center;
}
.section-header.align-center .rule { margin-left: auto; margin-right: auto; }
.section-header.align-center .byline { margin-left: auto; margin-right: auto; }

/* ---------- Projects section ---------- */
#projects {
  max-width: 1120px;
  margin: 0 auto;
  padding: 96px 56px 64px;
  position: relative;
}

/* Filter tabs */
.filter-tabs {
  display: flex;
  gap: 28px;
  margin: 40px 0 40px;
  border-bottom: 1px solid var(--color-border);
  flex-wrap: wrap;
}
.filter-tabs button {
  background: none;
  border: none;
  cursor: pointer;
  padding: 0 0 12px;
  font-family: var(--font-sans-ui);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
}
.filter-tabs button.is-active {
  color: var(--color-accent-primary-strong);
  border-bottom-color: var(--color-accent-primary-strong);
}
.filter-tabs button.tab-map {
  margin-left: auto;
}

/* Grid view */
.project-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-auto-flow: dense;
  gap: 32px;
}
.project-card {
  display: flex;
  flex-direction: column;
  background: var(--color-bg-panel);
  border: 1px solid var(--color-border);
  cursor: pointer;
}
.project-card.span-2 { grid-column: span 2; }
.project-card.span-1 { grid-column: span 1; }
.project-card .card-image {
  position: relative;
  overflow: hidden;
  background: var(--color-bg-inset);
}
.project-card .card-image img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
}
.project-card .card-scrim {
  position: absolute; inset: 0;
  background: rgba(44,42,36,0.86);
  color: var(--paper-50);
  padding: 20px;
  display: flex;
  align-items: flex-end;
  opacity: 0;
  transition: opacity 500ms ease;
}
.project-card:hover .card-scrim { opacity: 1; }
.project-card .card-scrim p {
  margin: 0;
  font-family: var(--font-serif-body);
  font-size: 14px;
  line-height: 1.5;
}
.project-card .card-body {
  padding: 16px 18px 18px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.project-card .card-title {
  margin: 0;
  font-family: var(--font-serif-display);
  font-weight: 400;
  font-size: 19px;
  color: var(--color-text-primary);
}

/* Tag pill */
.tag {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  padding: 3px 10px;
  border-radius: 999px;
  font-family: var(--font-sans-ui);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.tag-terracotta { background: var(--terracotta-100); color: var(--terracotta-700); }
.tag-sage { background: var(--sage-100); color: var(--sage-700); }
.tag-blue { background: var(--slate-blue-100); color: var(--slate-blue-600); }
.tag-ochre { background: var(--ochre-100); color: var(--ochre-600); }

/* Map view */
.map-view { position: relative; }
.globe-container {
  width: 100%;
  height: 760px;
  background: var(--paper-100);
  border: 1px solid var(--color-border);
  cursor: grab;
}
.globe-container:active { cursor: grabbing; }
.map-caption {
  margin: 12px 0 0;
  font-family: var(--font-sans-ui);
  font-size: 12px;
  color: var(--color-text-muted);
  text-align: center;
}
.map-popup {
  position: absolute;
  left: 24px; bottom: 56px;
  background: var(--color-bg-panel);
  border: 1px solid var(--color-border-strong);
  box-shadow: 0 12px 30px rgba(44,42,36,0.25);
  padding: 20px 22px;
  max-width: 260px;
}
.map-popup .popup-dismiss {
  position: absolute; top: 8px; right: 10px;
  background: none; border: none; cursor: pointer;
  font-size: 16px; color: var(--color-text-muted); line-height: 1;
}
.map-popup h4 {
  margin: 0 0 8px;
  font-family: var(--font-serif-display);
  font-weight: 400;
  font-size: 18px;
  color: var(--color-text-primary);
}
.map-popup .tag { margin-bottom: 12px; }
.map-popup .popup-open {
  background: none; border: none; cursor: pointer; padding: 0;
  font-family: var(--font-sans-ui);
  font-size: 12.5px; font-weight: 600;
  letter-spacing: 0.04em; text-transform: uppercase;
  color: var(--color-accent-primary-strong);
}

/* Project detail view */
.back-button {
  background: none; border: none; cursor: pointer; padding: 0;
  margin-bottom: 64px;
  font-family: var(--font-sans-ui);
  font-size: 13px; font-weight: 600;
  letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--color-text-secondary);
}
.detail-role {
  margin: 20px 0 0;
  font-family: var(--font-sans-ui);
  font-size: 13px; font-weight: 600;
  letter-spacing: 0.04em; text-transform: uppercase;
  color: var(--color-accent-primary-strong);
}
.detail-description {
  margin: 12px 0 0;
  font-family: var(--font-serif-body);
  font-size: 16px; line-height: 1.7;
  color: var(--color-text-secondary);
  max-width: 680px;
}
.callout {
  margin: 28px 0 0;
  max-width: 680px;
  border-left: 3px solid var(--color-accent-primary-strong);
  padding: 8px 24px;
  font-family: var(--font-serif-body);
  font-style: italic;
  font-size: 17px;
  line-height: 1.6;
  color: var(--color-text-secondary);
}
.legend-list {
  margin: 28px 0 0;
  display: flex;
  gap: 32px;
  flex-wrap: wrap;
}
.legend-item {
  display: flex;
  align-items: center;
  gap: 12px;
}
.legend-swatch { width: 22px; height: 22px; flex: 0 0 auto; }
.legend-label {
  font-family: var(--font-serif-body);
  font-size: 14px;
  color: var(--color-text-secondary);
}

.gallery-grid {
  margin: 40px 0 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}
.gallery-item { margin: 0; }
.gallery-item .thumb {
  aspect-ratio: 4/3;
  overflow: hidden;
  background: var(--color-bg-inset);
  border: 1px solid var(--color-border);
  cursor: zoom-in;
}
.gallery-item .thumb img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 300ms ease;
}
.gallery-item .thumb:hover img { transform: scale(1.12); }
.gallery-item figcaption {
  margin-top: 8px;
  font-family: var(--font-serif-body);
  font-style: italic;
  font-size: 12.5px;
  color: var(--color-text-secondary);
}

/* Expand overlay (gallery crossfade) */
.scrim {
  position: fixed; inset: 0;
  z-index: 999;
  background: rgba(44,42,36,0.4);
  opacity: 0;
  pointer-events: none;
  transition: opacity 700ms ease;
}

.expand-layer {
  position: fixed;
  left: 50%; top: 50%;
  width: 88vw;
  z-index: 1000;
  background: var(--color-bg-page);
  box-shadow: 0 24px 70px rgba(44,42,36,0.4);
  border: 1px solid var(--color-border);
  opacity: 0;
  transform: translate(-50%, -50%) scale(0.94);
  pointer-events: none;
  transition: opacity 500ms ease, transform 500ms ease;
  cursor: zoom-out;
}
.expand-layer img {
  display: block;
  width: 100%; height: auto;
  max-height: 90vh;
  object-fit: contain;
}

/* ---------- About ---------- */
#about {
  max-width: 720px;
  margin: 0 auto;
  padding: 64px 56px 120px;
  text-align: center;
}
.about-bio {
  margin: 28px 0 0;
  font-family: var(--font-serif-body);
  font-size: 16px; line-height: 1.7;
  color: var(--color-text-secondary);
  text-align: left;
}
.about-actions {
  display: flex;
  gap: 20px;
  justify-content: center;
  margin-top: 32px;
  flex-wrap: wrap;
}
.about-actions a, .about-actions button {
  font-family: var(--font-sans-ui);
  font-size: 13px; font-weight: 600;
  letter-spacing: 0.06em; text-transform: uppercase;
  text-decoration: none;
  border: 1px solid var(--color-border-strong);
  background: none;
  padding: 10px 20px;
  color: var(--color-text-primary);
  cursor: pointer;
}
.about-actions .btn-cv { cursor: zoom-in; }

/* CV overlay */
.cv-scrim {
  position: fixed; inset: 0;
  z-index: 999;
  background: rgba(44,42,36,0.4);
  opacity: 0;
  pointer-events: none;
  transition: opacity 500ms ease;
}
.cv-panel {
  position: fixed;
  left: 50%; top: 50%;
  width: min(640px, 88vw);
  height: 88vh;
  z-index: 1000;
  transform: translate(-50%, -50%) scale(0.94);
  opacity: 0;
  pointer-events: none;
  transition: opacity 500ms ease, transform 500ms ease;
  box-shadow: 0 24px 70px rgba(44,42,36,0.4);
  border: 1px solid var(--color-border);
  background: var(--color-bg-page);
}
.cv-panel .cv-container {
  width: 100%; height: 100%;
  overflow: auto;
  cursor: auto;
}
.cv-panel canvas {
  width: 100%;
  display: block;
  border-bottom: 1px solid var(--color-border);
}
.cv-panel .cv-loading {
  padding: 32px;
  font-family: var(--font-sans-ui);
  font-size: 13px;
  color: var(--color-text-muted);
  text-align: center;
}

/* ---------- Responsive ---------- */
@media (max-width: 720px) {
  .nav { padding: 14px 20px; }
  .nav .wordmark { font-size: 16px; }
  .nav .nav-links { gap: 20px; font-size: 11px; }

  .hero .hero-card {
    left: 20px; right: 20px; bottom: 32px;
    width: auto; height: auto;
  }

  #projects { padding: 72px 20px 40px; }
  #about { padding: 48px 20px 80px; }

  .project-grid { grid-template-columns: 1fr; gap: 24px; }
  .project-card.span-2 { grid-column: span 1; }

  .gallery-grid { grid-template-columns: 1fr; gap: 24px; }

  .globe-container { height: 480px; }

  .expand-layer { width: 94vw; }
  .cv-panel { width: 94vw; height: 82vh; }

  .filter-tabs { gap: 18px; }
  .filter-tabs button.tab-map { margin-left: 0; }
}