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

:root {
  --bg: #f5f3ee;
  --bg2: #eceae3;
  --ink: #1a1814;
  --ink2: #6b6760;
  --border: rgba(26,24,20,0.1);
  --accent: #ff3d2e;
  --gen-bg: #0e0e0f;
  --gen-surface: #1a1a1c;
  --gen-border: rgba(255,255,255,0.08);
  --gen-text: #f0f0f0;
  --gen-muted: #888;
  --font-display: 'Playfair Display', serif;
  --font-ui: 'Syne', sans-serif;
  --font-mono: 'DM Mono', monospace;
  --nav-h: 60px;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-ui);
  background: var(--bg);
  color: var(--ink);
  min-height: 100vh;
  overflow-x: hidden;
}

.page { display: none; padding-top: var(--nav-h); }
.page.active { display: block; }
.gen-page { display: none; flex-direction: column; height: 100vh; overflow: hidden; padding-top: var(--nav-h); }
.gen-page.active { display: flex; }

nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 32px;
  z-index: 1000;
  background: rgba(245,243,238,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-logo {
  font-family: var(--font-ui);
  font-size: 20px;
  font-weight: 800;
  color: var(--ink);
  cursor: pointer;
  letter-spacing: -0.5px;
  text-transform: uppercase;
}
.nav-logo span { color: var(--accent); }

.nav-links { display: flex; gap: 4px; align-items: center; }

.nav-link {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink2);
  padding: 8px 14px;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.15s;
  border: none;
  outline: none;
  background: none;
  font-family: var(--font-ui);
}
.nav-link:hover,
.nav-link.active { color: var(--ink); background: var(--bg2); border-color: transparent; }

.nav-cta {
  font-family: var(--font-ui);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  background: var(--ink);
  color: var(--bg);
  padding: 9px 18px;
  border-radius: 8px;
  cursor: pointer;
  border: none;
  transition: background 0.15s;
  margin-left: 8px;
}
.nav-cta:hover { background: var(--accent); }

.hero {
  min-height: calc(100vh - var(--nav-h));
  display: flex;
  align-items: center;
  justify-content: flex-start;
  position: relative;
  overflow: hidden;
  padding: 80px 80px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
  overflow: hidden;
  opacity: 0.13;
  pointer-events: none;
  padding: 20px 0;
}

.hero-bg-row {
  display: flex;
  gap: 6px;
  animation: scrollRow 30s linear infinite;
  flex-shrink: 0;
}
.hero-bg-row:nth-child(even) { animation-direction: reverse; animation-duration: 38s; }

@keyframes scrollRow {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

.hero-bg-chip {
  width: 80px;
  height: 64px;
  border-radius: 6px;
  flex-shrink: 0;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 580px;
}

.hero-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 10px;
  animation: fadeUp 0.5s ease both;
}
.hero-tag::before { content: ''; width: 28px; height: 2px; background: var(--accent); display: block; }

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(56px, 7vw, 92px);
  font-weight: 900;
  line-height: 1.0;
  letter-spacing: -2px;
  color: var(--ink);
  margin-bottom: 24px;
  animation: fadeUp 0.5s 0.1s ease both;
}
.hero-title em { font-style: italic; color: var(--accent); }

.hero-sub {
  font-size: 16px;
  line-height: 1.7;
  color: var(--ink2);
  margin-bottom: 36px;
  animation: fadeUp 0.5s 0.2s ease both;
}

.hero-btns {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  animation: fadeUp 0.5s 0.3s ease both;
}

.hero-hint {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink2);
  margin-top: 18px;
  animation: fadeUp 0.5s 0.4s ease both;
}
.hero-hint kbd {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 2px 7px;
  font-size: 10px;
}

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

.btn-primary {
  font-family: var(--font-ui);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  background: var(--accent);
  color: #fff;
  padding: 15px 30px;
  border-radius: 10px;
  border: none;
  cursor: pointer;
  transition: all 0.2s;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.btn-primary:hover { background: #e02d20; transform: translateY(-2px); box-shadow: 0 10px 28px rgba(255,61,46,0.3); }

.btn-secondary {
  font-family: var(--font-ui);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  background: transparent;
  color: var(--ink);
  padding: 15px 30px;
  border-radius: 10px;
  border: 2px solid var(--border);
  cursor: pointer;
  transition: all 0.2s;
}
.btn-secondary:hover { border-color: var(--ink); transform: translateY(-2px); }

.stats-strip { display: flex; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }

.stat {
  flex: 1;
  padding: 24px;
  text-align: center;
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.stat:last-child { border-right: none; }

.stat-num {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 900;
  letter-spacing: -1px;
  color: var(--ink);
}
.stat-label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink2);
}

.section-steps,
.section-exports { padding: 100px 0; }

.section-cta {
  padding: 120px 80px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.section-inner { max-width: 1100px; margin: 0 auto; padding: 0 80px; }

.section-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.section-label::before { content: ''; width: 24px; height: 2px; background: var(--accent); display: block; }

.section-title {
  font-family: var(--font-display);
  font-size: clamp(32px, 4vw, 52px);
  font-weight: 900;
  letter-spacing: -1.5px;
  line-height: 1.1;
  color: var(--ink);
  margin-bottom: 56px;
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
}

.step { background: var(--bg); padding: 48px 40px; }

.step-num {
  font-family: var(--font-display);
  font-size: 72px;
  font-weight: 900;
  color: var(--bg2);
  line-height: 1;
  margin-bottom: 20px;
  letter-spacing: -4px;
}

.step h3 { font-size: 17px; font-weight: 700; color: var(--ink); margin-bottom: 10px; }
.step p { font-size: 14px; line-height: 1.7; color: var(--ink2); }

.section-exports { background: var(--bg2); }

.export-tags { display: flex; flex-wrap: wrap; gap: 10px; }

.export-tag {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 10px 20px;
  border-radius: 100px;
  border: 1.5px solid var(--border);
  color: var(--ink2);
  background: var(--bg);
  transition: all 0.15s;
}
.export-tag.hi { background: var(--ink); color: var(--bg); border-color: var(--ink); }

.cta-bg { position: absolute; inset: 0; display: flex; opacity: 0.12; }
.cta-bg-swatch { flex: 1; }

.cta-content { position: relative; z-index: 2; }

.cta-content h2 {
  font-family: var(--font-display);
  font-size: clamp(36px, 5vw, 64px);
  font-weight: 900;
  letter-spacing: -2px;
  line-height: 1.05;
  margin-bottom: 16px;
}
.cta-content p { font-size: 16px; color: var(--ink2); margin-bottom: 36px; line-height: 1.7; }

.site-footer {
  text-align: center;
  padding: 28px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink2);
  border-top: 1px solid var(--border);
  letter-spacing: 0.04em;
}
.site-footer a { color: var(--ink); text-decoration: none; }
.site-footer a:hover { color: var(--accent); }

.explore-header {
  padding: 60px 80px 40px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.explore-title {
  font-family: var(--font-display);
  font-size: clamp(40px, 5vw, 64px);
  font-weight: 900;
  letter-spacing: -2px;
  line-height: 1.05;
}
.explore-sub { font-size: 14px; color: var(--ink2); margin-top: 8px; }

.search-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--bg);
  border: 1.5px solid var(--border);
  border-radius: 10px;
  padding: 12px 18px;
  min-width: 280px;
  transition: border-color 0.15s;
  color: var(--ink2);
}
.search-wrap:focus-within { border-color: var(--ink); color: var(--ink); }
.search-wrap input { border: none; background: transparent; font-family: var(--font-ui); font-size: 13px; color: var(--ink); flex: 1; outline: none; }
.search-wrap input::placeholder { color: var(--ink2); }

.filter-bar {
  padding: 20px 80px;
  display: flex;
  gap: 8px;
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}

.filter-chip {
  font-family: var(--font-ui);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 7px 16px;
  border-radius: 100px;
  border: 1.5px solid var(--border);
  background: transparent;
  color: var(--ink2);
  cursor: pointer;
  transition: all 0.15s;
}
.filter-chip:hover { color: var(--ink); border-color: var(--ink); }
.filter-chip.active { background: var(--ink); color: var(--bg); border-color: var(--ink); }

.palettes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 16px;
  padding: 40px 80px 80px;
}

.palette-card {
  background: var(--bg);
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--border);
  cursor: pointer;
  transition: all 0.2s;
  position: relative;
}
.palette-card:hover { transform: translateY(-4px); box-shadow: 0 16px 40px rgba(26,24,20,0.1); }

.palette-card-swatches { display: flex; height: 110px; }
.palette-card-swatch { flex: 1; }

.palette-card-info { padding: 14px 16px; border-top: 1px solid var(--border); }

.palette-card-name { font-size: 13px; font-weight: 700; color: var(--ink); margin-bottom: 6px; }

.palette-card-meta { display: flex; align-items: center; justify-content: space-between; }

.palette-card-likes {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink2);
  display: flex;
  align-items: center;
  gap: 5px;
}

.palette-card-overlay {
  position: absolute;
  inset: 0 0 58px 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(26,24,20,0.45);
  opacity: 0;
  transition: opacity 0.2s;
  backdrop-filter: blur(2px);
}
.palette-card:hover .palette-card-overlay { opacity: 1; }

.overlay-btn {
  font-family: var(--font-ui);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  background: #fff;
  color: var(--ink);
  padding: 9px 18px;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  transition: background 0.15s;
}
.overlay-btn:hover { background: var(--accent); color: #fff; }

.gen-bar {
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  border-bottom: 1px solid var(--gen-border);
  flex-shrink: 0;
  background: var(--gen-bg);
}

.gen-hint { font-family: var(--font-mono); font-size: 11px; color: var(--gen-muted); }
.gen-hint kbd {
  background: var(--gen-surface);
  border: 1px solid var(--gen-border);
  border-radius: 4px;
  padding: 2px 7px;
  font-size: 10px;
  font-family: var(--font-mono);
}

.gen-actions { display: flex; gap: 8px; }

.gbtn {
  font-family: var(--font-ui);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border: 1.5px solid var(--gen-border);
  background: var(--gen-surface);
  color: var(--gen-text);
  padding: 8px 16px;
  border-radius: 7px;
  cursor: pointer;
  transition: all 0.15s;
}
.gbtn:hover { background: rgba(255,255,255,0.1); }
.gbtn.primary { background: #fff; color: #000; border-color: #fff; }
.gbtn.primary:hover { background: var(--accent); border-color: var(--accent); color: #fff; }

.palette-wrap { flex: 1; display: flex; overflow: hidden; background: var(--gen-bg); }
.palette { display: flex; flex: 1; }

.colour-col {
  flex: 1;
  display: flex;
  flex-direction: column;
  position: relative;
  min-width: 80px;
  transition: flex 0.3s;
}
.colour-col.dragging { opacity: 0.5; }
.colour-col.drag-over { outline: 3px solid rgba(255,255,255,0.45); outline-offset: -3px; }

.colour-swatch {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
}

.colour-actions {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  display: flex;
  flex-direction: column;
  gap: 5px;
  opacity: 0;
  transition: opacity 0.2s;
  z-index: 10;
  pointer-events: none;
}
.colour-col:hover .colour-actions { opacity: 1; pointer-events: all; }

.c-action {
  display: flex;
  align-items: center;
  gap: 7px;
  background: rgba(245,243,238,0.88);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(26,24,20,0.12);
  color: var(--ink);
  border-radius: 7px;
  padding: 7px 13px;
  font-family: var(--font-ui);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all 0.15s;
  white-space: nowrap;
}
.c-action:hover { background: var(--ink); color: var(--bg); }
.c-action.on { background: var(--ink); color: var(--bg); }
.c-action.del { color: var(--accent); }
.c-action.del:hover { background: var(--accent); color: #fff; }

.drag-handle {
  position: absolute;
  top: 14px;
  left: 50%;
  transform: translateX(-50%);
  opacity: 0;
  cursor: grab;
  transition: opacity 0.2s;
}
.colour-col:hover .drag-handle { opacity: 1; }

.lock-pip {
  position: absolute;
  top: 14px;
  right: 12px;
  opacity: 0;
  transition: opacity 0.2s;
  cursor: pointer;
}
.colour-col:hover .lock-pip,
.colour-col.locked .lock-pip { opacity: 1; }

.colour-footer {
  padding: 14px 12px;
  background: var(--gen-bg);
  border-top: 1px solid var(--gen-border);
  text-align: center;
  cursor: pointer;
  flex-shrink: 0;
  transition: background 0.15s;
}
.colour-footer:hover { background: var(--gen-surface); }

.hex-val {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gen-text);
  margin-bottom: 3px;
}
.name-val { font-size: 10px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--gen-muted); }

.add-col-btn {
  width: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  border-left: 1px solid var(--gen-border);
  background: var(--gen-surface);
  cursor: pointer;
  flex-shrink: 0;
  transition: background 0.15s;
  color: var(--gen-muted);
}
.add-col-btn:hover { background: rgba(255,255,255,0.06); color: var(--gen-text); }

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(26,24,20,0.6);
  backdrop-filter: blur(6px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s;
}
.modal-overlay.open { opacity: 1; pointer-events: all; }

.modal {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 32px;
  width: 500px;
  max-width: 95vw;
  transform: translateY(16px);
  transition: transform 0.2s;
  box-shadow: 0 30px 80px rgba(26,24,20,0.2);
}
.modal-overlay.open .modal { transform: translateY(0); }

.modal-title {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 900;
  letter-spacing: -0.5px;
  margin-bottom: 24px;
  color: var(--ink);
}

.modal-footer { display: flex; gap: 8px; justify-content: flex-end; margin-top: 24px; }

.export-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }

.export-opt {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border: 1.5px solid var(--border);
  background: var(--bg);
  color: var(--ink2);
  padding: 14px;
  border-radius: 10px;
  cursor: pointer;
  text-align: center;
  transition: all 0.15s;
}
.export-opt:hover { border-color: var(--ink2); color: var(--ink); }
.export-opt.selected { background: var(--ink); color: var(--bg); border-color: var(--ink); }

.shades-row {
  display: flex;
  border-radius: 10px;
  overflow: hidden;
  height: 90px;
  margin-bottom: 20px;
  gap: 3px;
}
.shade-swatch { flex: 1; cursor: pointer; position: relative; transition: flex 0.15s; }
.shade-swatch:hover { flex: 1.5; }
.shade-label {
  position: absolute;
  bottom: 5px;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-mono);
  font-size: 9px;
  white-space: nowrap;
  opacity: 0.75;
  font-weight: 500;
}

.contrast-pair { display: grid; grid-template-columns: 1fr 1fr; height: 110px; border-radius: 10px; overflow: hidden; margin-bottom: 16px; }
.contrast-half { display: flex; align-items: center; justify-content: center; flex-direction: column; gap: 4px; font-size: 20px; font-weight: 800; }
.contrast-half small { font-size: 10px; opacity: 0.65; font-weight: 500; font-family: var(--font-mono); }

.contrast-score {
  font-family: var(--font-display);
  font-size: 36px;
  font-weight: 900;
  letter-spacing: -1px;
  text-align: center;
  margin-bottom: 12px;
  color: var(--ink);
}

.ratings-row { display: flex; flex-wrap: wrap; gap: 8px; }
.r-badge { font-family: var(--font-mono); font-size: 10px; padding: 5px 12px; border-radius: 100px; border: 1.5px solid; }
.r-badge.pass { border-color: #3a9e5a; color: #3a9e5a; }
.r-badge.fail { border-color: #cc4444; color: #cc4444; }

.info-swatch { height: 90px; border-radius: 10px; margin-bottom: 20px; border: 1px solid var(--border); }
.info-cells { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }

.info-cell {
  background: var(--bg2);
  border-radius: 8px;
  padding: 12px;
  cursor: pointer;
  transition: background 0.15s;
  border: 1px solid transparent;
}
.info-cell:hover { border-color: var(--ink2); }
.info-lbl { font-size: 9px; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink2); margin-bottom: 4px; }
.info-val { font-family: var(--font-mono); font-size: 13px; color: var(--ink); }

.toast {
  position: fixed;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%) translateY(16px);
  background: var(--ink);
  color: var(--bg);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  padding: 11px 22px;
  border-radius: 10px;
  opacity: 0;
  pointer-events: none;
  transition: all 0.25s;
  z-index: 9999;
  letter-spacing: 0.04em;
  white-space: nowrap;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

@media (max-width: 900px) {
  .hero { padding: 60px 32px; }
  .hero-bg { display: none; }
  .stats-strip { flex-wrap: wrap; }
  .stat { min-width: 50%; }
  .section-inner { padding: 0 32px; }
  .section-steps, .section-exports { padding: 60px 0; }
  .section-cta { padding: 80px 32px; }
  .steps-grid { grid-template-columns: 1fr; }
  .explore-header { padding: 40px 32px 32px; flex-direction: column; align-items: flex-start; }
  .search-wrap { width: 100%; }
  .filter-bar { padding: 16px 32px; }
  .palettes-grid { padding: 32px; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); }
}