/* ─── Tokens ─── */
:root {
  --bg: #F8F5F0;
  --ink: #1A1A1A;
  --accent: #C9573A;
  --accent-light: #E8D5CE;
  --muted: #7A746E;
  --cream-light: #FDFBF8;
  --border: #DDD8D0;
  --tier-kids-bg: #EAF4EE;
  --tier-kids-accent: #2D7A4F;
  --tier-adult-bg: #EEF2F8;
  --tier-adult-accent: #2A4A8A;
  --tier-mature-bg: #F5EEF8;
  --tier-mature-accent: #6B3A8A;
}

/* ─── Base ─── */
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: 'DM Sans', system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ─── Nav ─── */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 48px;
  background: rgba(248, 245, 240, 0.88);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.wordmark {
  font-family: 'Caveat', cursive;
  font-size: 28px;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: -0.5px;
}

.nav-tagline {
  font-size: 13px;
  color: var(--muted);
  font-weight: 300;
  letter-spacing: 0.04em;
}

/* ─── Hero ─── */
.hero {
  padding: 80px 48px 90px;
  max-width: 1200px;
  margin: 0 auto;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.headline {
  font-family: 'Caveat', cursive;
  font-size: clamp(56px, 7vw, 88px);
  font-weight: 700;
  line-height: 1.05;
  color: var(--ink);
  margin-bottom: 28px;
  letter-spacing: -1px;
}

.headline-rule {
  display: block;
  width: 48px;
  height: 3px;
  background: var(--accent);
  border-radius: 2px;
  margin-bottom: 20px;
}

.lede {
  font-size: 18px;
  color: var(--muted);
  line-height: 1.7;
  max-width: 420px;
  margin-bottom: 40px;
}

/* Prompt preview */
.prompt-preview {
  background: var(--cream-light);
  border: 1.5px solid var(--border);
  border-radius: 12px;
  padding: 24px;
  max-width: 420px;
}

.prompt-label {
  font-size: 11px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin-bottom: 14px;
}

.prompt-fields {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
}

.field-chip {
  background: var(--ink);
  color: #fff;
  font-family: 'DM Sans', sans-serif;
  font-size: 13px;
  padding: 5px 12px;
  border-radius: 20px;
  font-weight: 400;
}

.field-chip em {
  font-style: normal;
  font-weight: 300;
  opacity: 0.75;
}

.prompt-result {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--tier-kids-accent);
  font-weight: 500;
}

.result-icon {
  width: 20px;
  height: 20px;
  background: var(--tier-kids-accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
}

/* Hero illustration */
.hero-image {
  display: flex;
  justify-content: center;
}

.coloring-frame {
  position: relative;
  width: 300px;
}

.frame-border {
  position: absolute;
  inset: -12px;
  border: 1.5px dashed var(--border);
  border-radius: 8px;
}

.frame-content {
  background: #fff;
  border: 1.5px solid var(--ink);
  border-radius: 4px;
  overflow: hidden;
  box-shadow: 8px 8px 0 var(--accent-light);
}

.sketch-scene {
  padding: 16px;
  background: #fff;
}

.sketch-scene svg {
  width: 100%;
  height: auto;
  display: block;
}

.frame-caption {
  font-size: 11px;
  color: var(--muted);
  padding: 12px 16px;
  border-top: 1px solid var(--border);
  background: var(--bg);
  line-height: 1.5;
}

.caption-label {
  font-weight: 500;
  color: var(--ink);
}

/* ─── Shared section styles ─── */
.section-eyebrow {
  font-size: 11px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 16px;
}

.section-heading {
  font-family: 'Caveat', cursive;
  font-size: clamp(32px, 4vw, 52px);
  font-weight: 600;
  line-height: 1.2;
  color: var(--ink);
  max-width: 680px;
}

/* ─── How It Works ─── */
.howitworks {
  padding: 80px 48px;
  max-width: 1200px;
  margin: 0 auto;
  border-top: 1px solid var(--border);
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 48px;
  margin-top: 56px;
  margin-bottom: 48px;
}

.step-card {
  position: relative;
}

.step-number {
  font-family: 'Caveat', cursive;
  font-size: 64px;
  font-weight: 700;
  color: var(--accent-light);
  line-height: 1;
  margin-bottom: 16px;
}

.step-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 10px;
}

.step-desc {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.7;
}

.spec-row {
  display: flex;
  flex-wrap: wrap;
  gap: 32px;
  padding: 28px 32px;
  background: var(--cream-light);
  border: 1px solid var(--border);
  border-radius: 10px;
}

.spec-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 500;
  color: var(--ink);
}

.spec-item svg {
  color: var(--accent);
  flex-shrink: 0;
}

/* ─── Tiers ─── */
.tiers {
  padding: 90px 48px;
  background: var(--cream-light);
  max-width: 100%;
}

.tiers > * {
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
}

.tiers .section-heading {
  margin-top: 16px;
  margin-bottom: 56px;
}

.tiers-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.tier-card {
  border-radius: 16px;
  padding: 36px;
  border: 1.5px solid transparent;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.tier-card:hover {
  transform: translateY(-4px);
}

.tier-kids { background: var(--tier-kids-bg); border-color: #C2DEC9; }
.tier-adult { background: var(--tier-adult-bg); border-color: #B8C8E0; }
.tier-mature { background: var(--tier-mature-bg); border-color: #D8C0E0; }

.tier-badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 4px 10px;
  border-radius: 20px;
  margin-bottom: 16px;
}

.tier-kids .tier-badge { background: var(--tier-kids-accent); color: #fff; }
.tier-adult .tier-badge { background: var(--tier-adult-accent); color: #fff; }
.tier-mature .tier-badge { background: var(--tier-mature-accent); color: #fff; }

.tier-name {
  font-family: 'Caveat', cursive;
  font-size: 28px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 12px;
}

.tier-desc {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.7;
  margin-bottom: 24px;
}

.tier-topics {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 24px;
}

.tier-topics li {
  font-size: 13px;
  color: var(--ink);
  padding-left: 16px;
  position: relative;
}

.tier-topics li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--muted);
}

.tier-url {
  font-size: 12px;
  font-weight: 500;
  color: var(--muted);
  letter-spacing: 0.04em;
  border-top: 1px solid var(--border);
  padding-top: 16px;
}

/* ─── Categories ─── */
.categories {
  padding: 80px 48px;
  max-width: 1200px;
  margin: 0 auto;
  border-top: 1px solid var(--border);
}

.categories .section-heading {
  margin-top: 16px;
  margin-bottom: 48px;
}

.category-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.category-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 28px 20px;
  background: var(--cream-light);
  border: 1.5px solid var(--border);
  border-radius: 12px;
  transition: border-color 0.2s ease;
}

.category-item:hover {
  border-color: var(--accent);
}

.cat-icon {
  width: 48px;
  height: 48px;
  color: var(--ink);
}

.cat-icon svg {
  width: 100%;
  height: 100%;
}

.category-item span {
  font-size: 13px;
  font-weight: 500;
  color: var(--ink);
}

/* ─── Closing ─── */
.closing {
  padding: 100px 48px;
  background: var(--ink);
  color: #fff;
  text-align: center;
}

.closing-statement {
  font-family: 'Caveat', cursive;
  font-size: clamp(36px, 5vw, 64px);
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: 24px;
  color: #fff;
}

.closing-sub {
  font-size: 16px;
  color: rgba(255,255,255,0.6);
  max-width: 520px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ─── Footer ─── */
.site-footer {
  padding: 48px;
  border-top: 1px solid var(--border);
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 40px;
  margin-bottom: 32px;
}

.wordmark-footer {
  font-family: 'Caveat', cursive;
  font-size: 24px;
  font-weight: 700;
  color: var(--ink);
  display: block;
  margin-bottom: 10px;
}

.footer-desc {
  font-size: 13px;
  color: var(--muted);
  max-width: 260px;
  line-height: 1.6;
}

.footer-tiers {
  display: flex;
  gap: 24px;
  align-items: center;
}

.footer-link {
  font-size: 13px;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.15s;
}

.footer-link:hover {
  color: var(--ink);
}

.footer-bottom {
  max-width: 1200px;
  margin: 0 auto;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  font-size: 12px;
  color: var(--muted);
}

/* ─── Responsive ─── */
@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; gap: 48px; }
  .hero-image { order: -1; }
  .coloring-frame { width: 240px; }
  .steps-grid { grid-template-columns: 1fr; gap: 32px; }
  .tiers-grid { grid-template-columns: 1fr; }
  .category-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-inner { flex-direction: column; }
}

@media (max-width: 640px) {
  .site-nav { padding: 14px 24px; }
  .hero { padding: 48px 24px 60px; }
  .howitworks { padding: 60px 24px; }
  .tiers { padding: 60px 24px; }
  .categories { padding: 60px 24px; }
  .closing { padding: 60px 24px; }
  .site-footer { padding: 40px 24px; }
  .category-grid { grid-template-columns: repeat(2, 1fr); }
  .spec-row { gap: 16px; }
}