/* Voir — Landing & Policy styles
   Design tokens mirror SpeechKeyboardDesignTokens.swift */

:root {
  --background: #FAFAF8;
  --surface: #FFFFFF;
  --surface-soft: #F5F6F8;

  --text-primary: #0F172A;
  --text-secondary: #64748B;
  --text-tertiary: #94A3B8;
  --text-inverse: #FFFFFF;

  --primary: #10234D;
  --primary-pressed: #0A1838;
  --primary-soft: #EEF3FF;
  --accent: #3B63F6;

  --border: #E5E7EB;
  --divider: #EEF0F3;

  --success: #16A34A;

  --screen-padding: 24px;
  --radius-card: 28px;
  --radius-small: 18px;
  --radius-pill: 999px;

  --shadow-card: 0 8px 30px rgba(15, 23, 42, 0.06);
  --shadow-soft: 0 2px 12px rgba(15, 23, 42, 0.05);

  --font-body: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-hero: "New York", "Iowan Old Style", Georgia, "Times New Roman", serif;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--background);
  color: var(--text-primary);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.container {
  width: 100%;
  max-width: 1040px;
  margin: 0 auto;
  padding: 0 var(--screen-padding);
}

.container--narrow { max-width: 720px; }

/* ---------- Nav ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(250, 250, 248, 0.8);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid var(--divider);
}
.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  font-size: 18px;
  color: var(--text-primary);
}
.brand:hover { text-decoration: none; }
.brand__mark {
  width: 32px; height: 32px;
  border-radius: 9px;
  background: var(--primary);
  display: grid;
  place-items: center;
  color: var(--text-inverse);
}
.nav__links { display: flex; align-items: center; gap: 28px; }
.nav__links a { color: var(--text-secondary); font-size: 15px; font-weight: 500; }
.nav__links a:hover { color: var(--text-primary); text-decoration: none; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 52px;
  padding: 0 26px;
  border-radius: 20px;
  font-size: 17px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: transform .15s ease, background .15s ease, box-shadow .15s ease;
}
.btn--primary { background: var(--primary); color: var(--text-inverse); box-shadow: var(--shadow-soft); }
.btn--primary:hover { background: var(--primary-pressed); text-decoration: none; transform: translateY(-1px); }
.btn--ghost { background: var(--surface); color: var(--text-primary); border: 1px solid var(--border); }
.btn--ghost:hover { background: var(--surface-soft); text-decoration: none; }

/* ---------- Hero ---------- */
.hero { padding: 96px 0 72px; text-align: center; }
.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--primary-soft);
  color: var(--primary);
  font-size: 14px;
  font-weight: 600;
  padding: 7px 14px;
  border-radius: var(--radius-pill);
  margin-bottom: 24px;
}
.hero__title {
  font-family: var(--font-hero);
  font-size: clamp(40px, 7vw, 68px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  font-weight: 600;
  margin-bottom: 20px;
}
.hero__subtitle {
  font-size: clamp(18px, 2.4vw, 22px);
  color: var(--text-secondary);
  max-width: 560px;
  margin: 0 auto 36px;
}
.hero__actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.hero__note { margin-top: 22px; font-size: 14px; color: var(--text-tertiary); }

/* ---------- Sections ---------- */
.section { padding: 72px 0; }
.section--soft { background: var(--surface-soft); }
.section__head { text-align: center; max-width: 640px; margin: 0 auto 48px; }
.section__title {
  font-size: clamp(28px, 4vw, 38px);
  letter-spacing: -0.01em;
  font-weight: 700;
  margin-bottom: 14px;
}
.section__lead { font-size: 18px; color: var(--text-secondary); }

/* ---------- Cards ---------- */
.grid { display: grid; gap: 20px; }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 28px;
  box-shadow: var(--shadow-card);
}
.card__icon {
  width: 48px; height: 48px;
  border-radius: 14px;
  background: var(--primary-soft);
  color: var(--primary);
  display: grid;
  place-items: center;
  margin-bottom: 18px;
}
.card__title { font-size: 19px; font-weight: 650; margin-bottom: 8px; }
.card__text { color: var(--text-secondary); font-size: 15.5px; }

/* ---------- Steps ---------- */
.steps { counter-reset: step; display: grid; gap: 16px; max-width: 720px; margin: 0 auto; }
.step {
  display: flex; gap: 18px; align-items: flex-start;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-small);
  padding: 22px 24px;
}
.step__num {
  flex: none;
  width: 36px; height: 36px;
  border-radius: 50%;
  background: var(--primary);
  color: var(--text-inverse);
  font-weight: 700;
  display: grid; place-items: center;
}
.step__title { font-weight: 650; margin-bottom: 3px; }
.step__text { color: var(--text-secondary); font-size: 15px; }

/* ---------- Privacy banner ---------- */
.privacy-banner {
  background: var(--primary);
  color: var(--text-inverse);
  border-radius: var(--radius-card);
  padding: 44px;
  text-align: center;
}
.privacy-banner h2 { font-size: 28px; margin-bottom: 12px; letter-spacing: -0.01em; }
.privacy-banner p { color: rgba(255,255,255,0.78); font-size: 17px; max-width: 560px; margin: 0 auto; }

/* ---------- Footer ---------- */
.footer {
  border-top: 1px solid var(--divider);
  padding: 40px 0;
  color: var(--text-tertiary);
  font-size: 14px;
}
.footer__inner { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 16px; }
.footer__links { display: flex; gap: 22px; }
.footer__links a { color: var(--text-secondary); }

/* ---------- Policy page ---------- */
.policy { padding: 64px 0 88px; }
.policy h1 {
  font-family: var(--font-hero);
  font-size: clamp(32px, 5vw, 46px);
  letter-spacing: -0.02em;
  margin-bottom: 8px;
}
.policy__updated { color: var(--text-tertiary); font-size: 14px; margin-bottom: 36px; }
.policy h2 { font-size: 22px; margin: 36px 0 12px; letter-spacing: -0.01em; }
.policy h3 { font-size: 17px; margin: 22px 0 8px; }
.policy p, .policy li { color: var(--text-secondary); font-size: 16px; }
.policy p { margin-bottom: 14px; }
.policy ul { margin: 0 0 16px 22px; }
.policy li { margin-bottom: 8px; }
.policy strong { color: var(--text-primary); }
.callout {
  background: var(--primary-soft);
  border: 1px solid #DCE6FF;
  border-radius: var(--radius-small);
  padding: 18px 22px;
  margin: 22px 0;
  color: var(--text-primary);
  font-size: 15.5px;
}

@media (max-width: 720px) {
  .grid--3 { grid-template-columns: 1fr; }
  .nav__links { gap: 18px; }
  .nav__links .nav__hide { display: none; }
  .hero { padding: 64px 0 48px; }
  .section { padding: 56px 0; }
  .privacy-banner { padding: 32px 24px; }
}