/* PAI Matchmaker landing page.
   Tokens from docs/03-design/colors-typography.md.
   No external fonts or assets: Georgia display serif, system sans body. */

:root {
  --background: #FAF6F0;
  --surface: #FFFFFF;
  --ink: #292522;
  --secondary: #685E57; /* darkened from #6C625B to clear 4.5:1 on blush */
  --clay: #9B4535;
  --clay-deep: #7E3729;
  --blush: #F0DCD3;
  --sage: #DBE5D8;
  --outline: #D6C9BD;
  --error: #A02E32;

  --font-display: Georgia, 'Times New Roman', serif;
  --font-body: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;

  --radius-card: 24px;
  --radius-field: 14px;

  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;

  --measure: 62ch;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--background);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 1.0625rem; /* ~17px body per token sheet */
  line-height: 1.65;
  -webkit-text-size-adjust: 100%;
}

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 400;
  line-height: 1.15;
  margin: 0 0 var(--space-4);
}

h1 { font-size: clamp(2.4rem, 7vw, 4.25rem); overflow-wrap: break-word; }
h2 { font-size: clamp(1.8rem, 4vw, 2.3rem); }
h3 { font-size: 1.25rem; line-height: 1.3; }

p { margin: 0 0 var(--space-4); max-width: var(--measure); }

a {
  color: var(--clay);
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
}
a:hover { color: var(--clay-deep); }

:focus-visible {
  outline: 3px solid var(--clay);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ---------- Skip link ---------- */

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--ink);
  color: var(--background);
  padding: var(--space-3) var(--space-4);
  border-radius: 0 0 var(--radius-field) 0;
  z-index: 10;
}
.skip-link:focus {
  left: 0;
}

/* ---------- Header ---------- */

.site-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3) var(--space-5);
  padding: var(--space-4) clamp(var(--space-4), 5vw, var(--space-7));
  border-bottom: 1px solid var(--outline);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  color: var(--ink);
}

.brand-mark { width: 36px; height: 36px; flex: none; }

.brand-name {
  font-family: var(--font-display);
  font-size: 1.3rem;
  letter-spacing: 0.01em;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2) var(--space-4);
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-nav a {
  display: inline-flex;
  align-items: center;
  min-height: 44px; /* minimum touch target */
  padding: var(--space-2) var(--space-2);
  color: var(--ink);
  text-decoration: none;
  border-bottom: 2px solid transparent;
}
.site-nav a:hover {
  color: var(--clay-deep);
  border-bottom-color: var(--clay);
}

/* ---------- Hero ---------- */

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
  gap: var(--space-7);
  align-items: center;
  padding: clamp(var(--space-6), 8vw, 96px) clamp(var(--space-4), 5vw, var(--space-7));
  max-width: 1120px;
  margin: 0 auto;
}

.eyebrow {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--clay);
  margin-bottom: var(--space-3);
}

.lead { font-size: 1.2rem; }
.lead-secondary { color: var(--secondary); }

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin: var(--space-5) 0 var(--space-3);
}

.hero-note {
  font-size: 0.9rem;
  color: var(--secondary);
}

/* ---------- Buttons ---------- */

.button {
  display: inline-block;
  padding: 14px 28px;
  border-radius: 999px;
  font-size: 1rem;
  font-family: var(--font-body);
  text-decoration: none;
  border: 1.5px solid transparent;
  cursor: pointer;
}

.button.primary {
  background: var(--clay);
  color: #FFFFFF;
}
.button.primary:hover { background: var(--clay-deep); color: #FFFFFF; }

.button.secondary {
  background: transparent;
  color: var(--clay);
  border-color: var(--clay);
}
.button.secondary:hover { color: var(--clay-deep); border-color: var(--clay-deep); }

.button:disabled {
  background: var(--outline);
  color: var(--ink);
  cursor: not-allowed;
  opacity: 0.7;
}

/* ---------- Phone preview ---------- */

.hero-preview {
  margin: 0;
  justify-self: center;
  text-align: center;
}

.hero-preview figcaption {
  margin-top: var(--space-3);
  font-size: 0.85rem;
  color: var(--secondary);
}

.phone {
  width: min(300px, 80vw);
  margin: 0 auto;
  border: 10px solid var(--ink);
  border-radius: 40px;
  background: var(--background);
  box-shadow: 0 18px 40px rgba(41, 37, 34, 0.14);
  overflow: hidden;
}

.phone-screen {
  padding: var(--space-5) var(--space-4) var(--space-3);
  text-align: left;
}

.phone-greeting {
  font-family: var(--font-display);
  font-size: 1.35rem;
  margin-bottom: var(--space-4);
}

.phone-card {
  border-radius: var(--radius-card);
  padding: var(--space-4);
  margin-bottom: var(--space-3);
}
.phone-card.quiet { background: var(--sage); }
.phone-card.highlight { background: var(--surface); border: 1px solid var(--outline); }

.petal-small { width: 28px; height: 28px; margin-bottom: var(--space-2); }

.phone-card-title {
  font-family: var(--font-display);
  font-size: 1rem;
  margin: 0 0 var(--space-1);
}

.phone-card-body {
  font-size: 0.8rem;
  color: var(--secondary);
  margin: 0 0 var(--space-2);
}

.phone-button {
  display: inline-block;
  background: var(--clay);
  color: #FFFFFF;
  font-size: 0.8rem;
  padding: 6px 18px;
  border-radius: 999px;
}

.phone-tabs {
  display: flex;
  justify-content: space-between;
  padding: var(--space-3) var(--space-2) var(--space-1);
  font-size: 0.7rem;
  color: var(--secondary);
}
.phone-tab.active { color: var(--clay); font-weight: 600; }

/* ---------- Sections ---------- */

.section {
  padding: clamp(var(--space-6), 7vw, 80px) clamp(var(--space-4), 5vw, var(--space-7));
  max-width: 1120px;
  margin: 0 auto;
}

.section.tinted {
  max-width: none;
  background: var(--blush);
}
.section.tinted > * {
  max-width: 1024px;
  margin-left: auto;
  margin-right: auto;
}
.section.tinted h2, .section.tinted .section-intro { text-align: center; }
.section.tinted .section-intro { margin-left: auto; margin-right: auto; }

#pricing.tinted { background: var(--sage); }

.section-intro {
  font-size: 1.15rem;
  color: var(--secondary);
  margin-bottom: var(--space-6);
}

/* ---------- Steps ---------- */

.steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-5);
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: step;
}

.step {
  background: var(--surface);
  border: 1px solid var(--outline);
  border-radius: var(--radius-card);
  padding: var(--space-5);
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--blush);
  color: var(--clay-deep);
  font-family: var(--font-display);
  font-size: 1.3rem;
  margin-bottom: var(--space-4);
}

/* ---------- Columns & chips ---------- */

.columns {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-6);
  align-items: start;
}

.chip-panel {
  background: var(--surface);
  border: 1px solid var(--outline);
  border-radius: var(--radius-card);
  padding: var(--space-5);
}

.chip-panel-label {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--secondary);
  margin-bottom: var(--space-4);
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  list-style: none;
  margin: 0;
  padding: 0;
}

.chip {
  background: var(--sage);
  color: var(--ink);
  border-radius: 999px;
  padding: var(--space-2) var(--space-4);
  font-size: 0.9rem;
}
.chip.muted {
  background: transparent;
  border: 1.5px dashed var(--outline);
  color: var(--secondary);
}

/* ---------- Pricing ---------- */

.price-card {
  background: var(--surface);
  border: 1px solid var(--outline);
  border-radius: var(--radius-card);
  padding: clamp(var(--space-5), 4vw, var(--space-7));
  max-width: 720px;
  margin: 0 auto;
}

.price {
  font-family: var(--font-display);
  font-size: 1.4rem;
  margin-bottom: var(--space-2);
}

.price-amount { font-size: 2.6rem; color: var(--clay); }

.price-badge {
  display: inline-block;
  background: var(--blush);
  color: var(--clay-deep);
  border-radius: 999px;
  padding: var(--space-1) var(--space-4);
  font-size: 0.85rem;
  margin-bottom: var(--space-4);
}

.price-list {
  margin: 0 0 var(--space-4);
  padding-left: 1.2em;
}
.price-list li { margin-bottom: var(--space-3); max-width: var(--measure); }

.fine-print {
  font-size: 0.9rem;
  color: var(--secondary);
  margin-bottom: 0;
}

/* ---------- Safety ---------- */

.safety-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-5);
}

.safety-item {
  background: var(--surface);
  border: 1px solid var(--outline);
  border-radius: var(--radius-card);
  padding: var(--space-5);
}
.safety-item p { margin-bottom: 0; }

/* ---------- FAQ ---------- */

.faq-list {
  max-width: 760px;
  margin: 0 auto;
}

.faq-list details {
  background: var(--surface);
  border: 1px solid var(--outline);
  border-radius: var(--radius-field);
  margin-bottom: var(--space-3);
  padding: 0 var(--space-5);
}

.faq-list summary {
  font-family: var(--font-display);
  font-size: 1.1rem;
  padding: var(--space-4) 0;
  cursor: pointer;
}
.faq-list summary:hover { color: var(--clay-deep); }

.faq-list details[open] summary { border-bottom: 1px solid var(--outline); }
.faq-list details p { padding: var(--space-4) 0; margin: 0; }

/* ---------- CTA ---------- */

.cta {
  text-align: center;
}
.cta .section-intro,
.cta h2 { margin-left: auto; margin-right: auto; }

.petal-large {
  width: 72px;
  height: 72px;
  margin-bottom: var(--space-4);
}

.pilot-panel {
  max-width: 560px;
  margin: 0 auto;
  background: var(--surface);
  border: 1px solid var(--outline);
  border-radius: var(--radius-card);
  padding: var(--space-5) var(--space-5) var(--space-5);
  text-align: center;
}
.pilot-panel p { margin-left: auto; margin-right: auto; }

.pilot-actions {
  justify-content: center;
  margin-bottom: 0;
}

/* ---------- Footer ---------- */

.site-footer {
  border-top: 1px solid var(--outline);
  padding: var(--space-6) clamp(var(--space-4), 5vw, var(--space-7)) var(--space-7);
  text-align: center;
  color: var(--secondary);
  font-size: 0.95rem;
}
.site-footer .brand-mark { margin-bottom: var(--space-3); }
.site-footer p { margin-left: auto; margin-right: auto; }
.footer-fine { font-size: 0.85rem; }

/* ---------- Motion ---------- */

@media (prefers-reduced-motion: no-preference) {
  .button, .site-nav a, .chip {
    transition: background-color 160ms ease, color 160ms ease, border-color 160ms ease;
  }
  .phone {
    transition: transform 300ms ease;
  }
  .hero-preview:hover .phone { transform: translateY(-4px); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

/* ---------- Responsive ---------- */

@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; gap: var(--space-6); }
  .steps { grid-template-columns: 1fr; }
  .columns { grid-template-columns: 1fr; }
  .safety-grid { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .site-header { justify-content: center; text-align: center; }
  .site-nav { justify-content: center; }
  .hero-actions .button { width: 100%; text-align: center; }
  .price-amount { font-size: 2.1rem; }
  .phone { width: min(260px, 88vw); }
}