/* ============================================================
   Aduant / DentalScribe — site styles
   Tokens lifted from the DentalScribe app (lib/theme/app_theme.dart,
   dark "Warm Editorial" variant) — do not invent new colors.
   ============================================================ */

:root {
  /* App dark theme */
  --bg: #1A1612;
  --surface: #231E19;
  --surface2: #2C251F;
  --border: #3A312A;
  --text: #F3EBE0;
  --muted: #9A8D81; /* lightened from app darkMuted #8A7D72 for WCAG AA on all surfaces */
  --terra: #E87A5E;        /* app accent, dark mode */
  --terra-deep: #C8533A;   /* app accent, light mode / glow */
  --terra-soft: rgba(232, 122, 94, 0.18);
  --sage: #9EB088;
  --sage-soft: rgba(158, 176, 136, 0.14);
  --warn: #E8A55E;
  --warn-soft: rgba(214, 139, 62, 0.14);
  /* ADuant corporate brand */
  --aduant-bright: #FF4F87; /* readable tint of the brand magenta #D40050 on dark */
  /* Per-page accent — product pages override to terracotta */
  --accent: var(--terra);
  --accent-contrast: #1A1612;
  --accent-soft: var(--terra-soft);

  --font-sans: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', 'Cascadia Code', Consolas, monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--text); }
.faq details p a, .legal p a, .legal li a { text-decoration: underline; text-underline-offset: 2px; }

.mono { font-family: var(--font-mono); }

/* ---------- layout ---------- */

.wrap { max-width: 1180px; margin: 0 auto; padding: 0 32px; }

.section { padding: 110px 0; }

/* ---------- nav ---------- */

.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(26, 22, 18, 0.86);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-size: 17px;
  font-weight: 600;
  letter-spacing: -0.2px;
}
.nav-brand:hover { color: var(--text); }
.nav-links { display: flex; align-items: center; gap: 30px; }
.nav-links a { font-size: 13.5px; color: var(--muted); }
.nav-links a:hover { color: var(--text); }

/* ---------- buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: 12px;
  padding: 14px 30px;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.1px;
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease, transform 0.15s ease;
}
.btn-solid { background: var(--accent); color: var(--accent-contrast); }
.btn-solid:hover { color: var(--accent-contrast); filter: brightness(1.07); transform: translateY(-1px); }
.btn-ghost { background: var(--surface); border: 1px solid var(--border); color: var(--text); }
.btn-ghost:hover { border-color: var(--muted); color: var(--text); }
.btn-sm { padding: 9px 20px; font-size: 13px; border-radius: 999px; }

/* ---------- typography blocks ---------- */

.eyebrow {
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 400;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 18px;
}
h1 {
  font-size: clamp(42px, 6.2vw, 82px);
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 1.03;
  margin: 0;
}
h2 {
  font-size: clamp(30px, 3.6vw, 46px);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.08;
  margin: 0;
}
h3 { font-size: 17px; font-weight: 600; margin: 0; }
.lead {
  font-size: clamp(16px, 1.5vw, 19px);
  color: var(--muted);
  line-height: 1.6;
  margin: 24px 0 0;
}
.finetext { font-size: 12.5px; color: var(--muted); }

/* ---------- hero ---------- */

.hero {
  position: relative;
  padding: 108px 0 88px;
  overflow: hidden;
  text-align: center;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 22%, rgba(200, 83, 58, 0.16), rgba(200, 83, 58, 0) 62%);
  pointer-events: none;
}
.hero-aduant::before {
  background: radial-gradient(circle at 50% 22%, rgba(212, 0, 80, 0.13), rgba(212, 0, 80, 0) 62%);
}
.hero > .wrap { position: relative; }
.hero .lead { max-width: 640px; margin-left: auto; margin-right: auto; }
.hero-ctas { display: flex; justify-content: center; gap: 16px; margin-top: 38px; flex-wrap: wrap; }

/* ---------- cards & vignettes ---------- */

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
}

.vignette {
  width: min(720px, 100%);
  margin: 60px auto 0;
  padding: 24px 28px;
  text-align: left;
}

.rec-dot { width: 10px; height: 10px; border-radius: 999px; background: var(--terra); animation: recblink 1.6s ease-in-out infinite; }
@keyframes recblink { 50% { opacity: 0.35; } }

.wave { display: flex; align-items: center; gap: 3px; height: 56px; margin-top: 18px; }
.wave span {
  flex: 1;
  max-width: 5px;
  border-radius: 2px;
  background: var(--terra);
  animation: wave 1.15s ease-in-out infinite alternate;
}
@keyframes wave { from { transform: scaleY(0.35); opacity: 0.55; } to { transform: scaleY(1); opacity: 1; } }

.caret {
  display: inline-block;
  width: 8px;
  height: 15px;
  background: var(--terra);
  vertical-align: -2px;
  animation: blink 1s steps(1) infinite;
}
@keyframes blink { 50% { opacity: 0; } }

.chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border-radius: 999px;
  padding: 6px 14px;
  font-family: var(--font-mono);
  font-size: 12px;
}
.chip-terra { background: var(--terra-soft); color: var(--terra); }
.chip-sage { background: var(--sage-soft); color: var(--sage); }
.chip-warn { background: var(--warn-soft); color: var(--warn); }
.chip-draft { border: 1px dashed var(--terra); color: var(--terra); background: none; }

/* ---------- stats band ---------- */

.stats {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 44px 0;
}
.stats-inner { display: flex; justify-content: center; gap: clamp(28px, 5vw, 72px); flex-wrap: wrap; }
.stat { display: flex; flex-direction: column; align-items: center; gap: 8px; text-align: center; max-width: 220px; }
.stat b { font-family: var(--font-mono); font-size: clamp(28px, 3vw, 40px); font-weight: 700; letter-spacing: -1px; }
.stat span { font-size: 12px; letter-spacing: 1.5px; text-transform: uppercase; color: var(--muted); }

/* ---------- feature rows ---------- */

.feature {
  display: flex;
  align-items: center;
  gap: clamp(48px, 6vw, 90px);
}
.feature-rev { flex-direction: row-reverse; }
.feature-copy { flex: 1; min-width: 0; }
.feature-copy p { font-size: 16px; color: var(--muted); line-height: 1.65; margin: 22px 0 0; max-width: 460px; }
.feature-visual { width: min(520px, 100%); flex-shrink: 0; padding: 30px 32px; }

.alt-band { background: #1F1916; }

/* ---------- capability grid ---------- */

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}
.cap-card { padding: 26px; }
.cap-card p { font-size: 13.5px; color: var(--muted); line-height: 1.6; margin: 8px 0 0; }
.cap-card h3 { margin-top: 14px; }
.cap-card svg { display: block; }

/* ---------- audit vignette ---------- */

.audit-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
}
.audit-row:last-child { border-bottom: none; }
.audit-row .grow { flex: 1; }

/* ---------- plans ---------- */

.plans { display: flex; justify-content: center; gap: 24px; flex-wrap: wrap; }
.plan {
  width: 440px;
  max-width: 100%;
  padding: 36px;
}
.plan-highlight { border: 1.5px solid var(--terra); }
.plan-price { display: flex; align-items: baseline; gap: 10px; margin-top: 18px; }
.plan-price b { font-family: var(--font-mono); font-size: 40px; font-weight: 700; letter-spacing: -1px; }
.plan-features { display: flex; flex-direction: column; gap: 12px; margin-top: 26px; font-size: 14px; }
.plan-features > div { display: flex; gap: 10px; align-items: flex-start; }
.plan-features svg { flex-shrink: 0; margin-top: 4px; }
.plan .btn { width: 100%; margin-top: 30px; }

/* ---------- downloads ---------- */

.dl-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}
.dl-card {
  padding: 24px 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  text-align: center;
  color: var(--text);
  transition: border-color 0.15s ease, transform 0.15s ease;
}
.dl-card:hover { border-color: var(--muted); transform: translateY(-2px); color: var(--text); }
.dl-card.dl-current { border-color: var(--terra); background: linear-gradient(180deg, var(--terra-soft), var(--surface) 55%); }
.dl-card .dl-name { font-size: 15px; font-weight: 600; }
.dl-card .dl-note { font-family: var(--font-mono); font-size: 11px; letter-spacing: 1px; text-transform: uppercase; color: var(--muted); }
.dl-card.dl-current .dl-note { color: var(--terra); }

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

.faq { max-width: 760px; margin: 56px auto 0; }
.faq details {
  border-bottom: 1px solid var(--border);
  padding: 4px 0;
}
.faq summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 0;
  font-size: 16px;
  font-weight: 600;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--muted);
  transition: transform 0.2s ease;
}
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { margin: 0 0 20px; font-size: 14.5px; color: var(--muted); line-height: 1.65; }

/* ---------- footer ---------- */

.footer { border-top: 1px solid var(--border); padding: 48px 0 40px; }
.footer-top { display: flex; justify-content: space-between; gap: 32px; flex-wrap: wrap; }
.footer-brand { display: flex; flex-direction: column; gap: 10px; }
.footer-brand .nav-brand { font-size: 15px; }
.footer small { font-size: 12px; color: var(--muted); line-height: 1.8; }
.footer-links { display: flex; flex-direction: column; gap: 8px; font-size: 13px; }
.footer-links a { color: var(--muted); }
.footer-links a:hover { color: var(--text); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 36px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
}

/* ---------- reveal animation ---------- */

.reveal { opacity: 0; transform: translateY(22px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ---------- legal pages ---------- */

.legal { max-width: 760px; margin: 0 auto; padding: 72px 32px 110px; }
.legal h1 { font-size: clamp(30px, 4vw, 44px); }
.legal h2 { font-size: 22px; margin-top: 44px; }
.legal p, .legal li { font-size: 15px; color: var(--muted); line-height: 1.7; }
.legal strong { color: var(--text); }
.legal .updated { font-family: var(--font-mono); font-size: 12px; letter-spacing: 1px; color: var(--muted); text-transform: uppercase; }

/* ---------- responsive ---------- */

@media (max-width: 960px) {
  .section { padding: 80px 0; }
  .feature, .feature-rev { flex-direction: column; align-items: stretch; }
  .feature-visual { width: 100%; }
  .grid-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .dl-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 640px) {
  .wrap { padding: 0 20px; }
  .nav-links { display: none; }
  .hero { padding: 72px 0 64px; }
  .grid-3 { grid-template-columns: 1fr; }
  .vignette { padding: 20px; }
  .plan { padding: 28px 24px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .wave span, .rec-dot, .caret { animation: none; }
  .reveal { opacity: 1; transform: none; transition: none; }
}