/* clearpronounce.com — design system per DESIGN.md (source of truth).
   Warm institutional base + technical spine. Light mode v1. */

:root {
  --bg: #FAFAF8;
  --surface: #F1EEE9;
  --surface-2: #E7E2DA;
  --text: #1C1917;
  --text-muted: #78716C;
  --accent: #2D6A4F;
  --accent-light: #40916C;
  --accent-deep: #1B4332;
  --cta: #C66508;
  --cta-hover: #A34D08;
  --border: #D6D3D1;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --font-display: 'Instrument Serif', Georgia, serif;
  --font-body: 'Instrument Sans', system-ui, sans-serif;
  --font-mono: 'Geist Mono', 'JetBrains Mono', monospace;
  --max-width: 1200px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { font-size: 16px; scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

.container { max-width: var(--max-width); margin: 0 auto; padding: 0 32px; }
section { padding: 80px 0; }
section + section { border-top: 1px solid var(--border); }

h1 {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 5vw, 3.8rem);
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: -0.02em;
}
h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  font-weight: 400;
  line-height: 1.2;
  letter-spacing: -0.01em;
  margin-bottom: 16px;
  max-width: 760px;
}
p { max-width: 660px; }

.eyebrow {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  display: block;
  margin-bottom: 16px;
}
.lead { font-size: 1.15rem; color: var(--text-muted); }

/* ── Nav ── */
.nav { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 20px 0; border-bottom: 1px solid var(--border); }
.nav-logo { font-weight: 700; font-size: 1.05rem; letter-spacing: -0.02em; text-decoration: none; color: var(--text); white-space: nowrap; }
.nav-logo span { color: var(--accent); }
.nav-links { display: flex; gap: 22px; list-style: none; flex-wrap: wrap; }
.nav-links a { text-decoration: none; color: var(--text-muted); font-size: 0.86rem; font-weight: 500; white-space: nowrap; }
.nav-links a:hover { color: var(--text); }
.nav-links a.active { color: var(--accent); font-weight: 600; }

/* ── Buttons ── */
.btn { display: inline-block; padding: 12px 28px; border-radius: var(--radius-md); font-family: var(--font-body); font-size: 0.95rem; font-weight: 600; text-decoration: none; transition: all 0.2s ease; cursor: pointer; border: none; }
.btn-primary { background: var(--cta); color: #fff; }
.btn-primary:hover { background: var(--cta-hover); }
.btn-secondary { background: transparent; color: var(--text); border: 1.5px solid var(--border); }
.btn-secondary:hover { border-color: var(--accent); color: var(--accent); }
.btn-ghost { background: transparent; color: var(--accent); padding: 12px 0; }
.btn-ghost:hover { color: var(--cta); }
.nav .btn { font-size: 0.85rem; padding: 8px 20px; white-space: nowrap; }
.cta-row { display: flex; gap: 16px; flex-wrap: wrap; }

/* ── Heroes ── */
.hero { padding: 110px 0 80px; border-bottom: 1px solid var(--border); }
.hero h1 { max-width: 860px; margin-bottom: 24px; }
.hero .lead { margin-bottom: 40px; max-width: 620px; }

.hero-formal { background: var(--accent-deep); color: #fff; border-bottom: none; }
.hero-formal .eyebrow { color: var(--accent-light); }
.hero-formal .lead { color: rgba(255, 255, 255, 0.82); }
.hero-formal .btn-primary { background: #fff; color: var(--accent-deep); }
.hero-formal .btn-primary:hover { background: rgba(255, 255, 255, 0.9); }
.hero-formal .btn-secondary { color: #fff; border-color: rgba(255, 255, 255, 0.3); }
.hero-formal .btn-secondary:hover { border-color: #fff; color: #fff; }

.hero-technical { background: #1C1917; color: #F5F5F4; border-bottom: none; }
.hero-technical .eyebrow { color: #52B788; }
.hero-technical .lead { color: #A8A29E; }
.hero-technical .btn-primary { background: var(--cta); color: #fff; }

/* ── Cards / grids ── */
.grid { display: grid; gap: 24px; margin-top: 40px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.card { background: var(--surface); border-radius: var(--radius-lg); padding: 32px; }
.card h3 { font-size: 1.15rem; font-weight: 600; margin-bottom: 10px; }
.card p { font-size: 0.95rem; color: var(--text-muted); margin-bottom: 14px; }
.card .btn { font-size: 0.85rem; padding: 8px 20px; }
.card-accent { border-top: 3px solid var(--accent); }
.num { font-family: var(--font-display); font-size: 2.2rem; color: var(--accent); line-height: 1; margin-bottom: 10px; }

/* ── Code block ── */
.code { font-family: var(--font-mono); font-size: 0.88rem; line-height: 1.6; background: #1C1917; color: #9AE6B4; padding: 24px; border-radius: var(--radius-md); overflow-x: auto; max-width: 660px; margin: 28px 0; }
.code .dim { color: #78716C; }

/* ── Forms ── */
.form-section { background: var(--accent-deep); color: #fff; border-top: none !important; }
.form-wrap { display: grid; grid-template-columns: 0.85fr 1.15fr; gap: 64px; align-items: start; }
.form-intro .eyebrow { color: var(--accent-light); }
.form-intro h2 { color: #fff; }
.form-intro p { color: rgba(255, 255, 255, 0.78); font-size: 1.02rem; }
.form-promise { margin-top: 26px; padding-top: 22px; border-top: 1px solid rgba(255, 255, 255, 0.15); list-style: none; }
.form-promise li { color: rgba(255, 255, 255, 0.78); font-size: 0.95rem; margin-bottom: 10px; padding-left: 24px; position: relative; }
.form-promise li::before { content: "\2192"; position: absolute; left: 0; color: var(--accent-light); }
.discretion { margin-top: 26px; padding: 20px 22px; background: rgba(255, 255, 255, 0.06); border-left: 3px solid var(--accent-light); border-radius: var(--radius-sm); }
.discretion h4 { font-size: 0.8rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--accent-light); margin-bottom: 8px; }
.discretion p { color: rgba(255, 255, 255, 0.78); font-size: 0.93rem; }

.form-card { background: var(--bg); color: var(--text); border-radius: var(--radius-lg); padding: 40px; }
.form-card h3 { font-family: var(--font-display); font-size: 1.55rem; font-weight: 400; margin-bottom: 4px; }
.form-sub { color: var(--text-muted); font-size: 0.9rem; margin-bottom: 6px; }
.form-note { color: var(--text-muted); font-size: 0.85rem; margin-bottom: 24px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { margin-bottom: 18px; }
.form-label { display: block; font-size: 0.85rem; font-weight: 600; margin-bottom: 6px; }
.form-label .req { color: var(--cta); }
.form-input, .form-select, .form-textarea {
  width: 100%; padding: 11px 14px; border: 1.5px solid var(--border);
  border-radius: var(--radius-sm); font-family: var(--font-body);
  font-size: 0.95rem; background: var(--bg); color: var(--text);
}
.form-input:focus, .form-select:focus, .form-textarea:focus { outline: none; border-color: var(--accent); }
.form-textarea { resize: vertical; min-height: 90px; }
.form-hint { font-size: 0.78rem; color: var(--text-muted); margin-top: 5px; }
.pills { display: flex; flex-wrap: wrap; gap: 8px; }
.pill { border: 1.5px solid var(--border); border-radius: 999px; padding: 7px 16px; font-size: 0.85rem; cursor: pointer; user-select: none; }
.pill input { display: none; }
.pill:hover { border-color: var(--accent); }
.pill.selected { background: var(--accent); color: #fff; border-color: var(--accent); }
.form-card .btn-primary { width: 100%; text-align: center; margin-top: 8px; }
.form-foot { font-size: 0.78rem; color: var(--text-muted); margin-top: 16px; text-align: center; }
.form-success { padding: 32px 0; text-align: center; }
.form-success h3 { font-family: var(--font-display); font-size: 1.5rem; font-weight: 400; margin-bottom: 8px; }
.form-success p { color: var(--text-muted); margin: 0 auto; }
.hp { position: absolute; left: -9999px; opacity: 0; height: 0; overflow: hidden; }

/* ── Essay ── */
.essay { max-width: 680px; margin: 0 auto; padding: 90px 32px; }
.essay h1 { font-size: clamp(2.2rem, 4vw, 3rem); margin-bottom: 36px; }
.essay p { font-size: 1.08rem; line-height: 1.75; margin-bottom: 26px; max-width: none; }
.essay .sign-off { font-family: var(--font-display); font-size: 1.3rem; font-style: italic; color: var(--accent); }

/* ── Footer ── */
footer { padding: 48px 0; border-top: 1px solid var(--border); }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; }
footer h4 { font-size: 0.85rem; font-weight: 600; margin-bottom: 12px; }
footer a { color: var(--text-muted); text-decoration: none; font-size: 0.85rem; display: block; margin-bottom: 6px; }
footer a:hover { color: var(--text); }
.footer-about { font-size: 0.9rem; color: var(--text-muted); max-width: 300px; }

/* ── Responsive ── */
@media (max-width: 920px) {
  .nav-links { display: none; }
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .form-wrap { grid-template-columns: 1fr; gap: 40px; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .hero { padding: 70px 0 60px; }
}