/* Opalescent — one-pager. Tokens transcribed from docs/design-system.md /
   reference skin.css. Light-only by decision. */

:root {
  /* surfaces */
  --bg-primary: #FAF7F0;
  --bg-secondary: #F4EFE6;
  --surface-primary: #FFFFFF;
  --surface-muted: #EFE8DC;
  --velvet: #15141A;

  /* ink */
  --text-primary: #111111;
  --text-secondary: #444444;
  --text-muted: #666666;
  --text-inverse: #FFFFFF;

  /* borders */
  --border-subtle: #E2DACE;
  --border-strong: #C9BDAE;

  /* primary — the single action color */
  --primary: #006E73;
  --primary-dark: #005258;
  --primary-gradient-start: #007C7F;
  --primary-soft: #E9F5F4;

  /* accent — gold is a moment, not a theme */
  --accent-gold: #EEA218;
  --accent-bronze: #7E532D;

  /* confidence triads */
  --conf-high-bg: #E8F5EE;
  --conf-high: #3C9A68;
  --conf-high-text: #0F6E56;
  --conf-med-bg: #FDF3E0;
  --conf-med: #EEA218;
  --conf-med-text: #854F0B;

  /* opal spectrum — decorative only, one use per page (the range band) */
  --opal-gradient: linear-gradient(90deg,
    #009A60 0%, #12CC88 12%, #0E72C8 28%, #1840E8 42%,
    #9028D8 56%, #E0006A 70%, #F04000 82%, #F87000 91%, #EEA218 100%);

  /* type */
  --font-display: 'Playfair Display', Georgia, serif;
  --serif: 'Lora', Georgia, serif;
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;
  --font-mono: 'IBM Plex Mono', ui-monospace, 'SF Mono', Menlo, monospace;

  /* radius */
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-btn: 14px;
  --radius-pill: 999px;

  /* elevation — warm ink, never neutral black */
  --shadow-xs: 0 1px 2px rgba(17, 17, 17, 0.04);
  --shadow-md: 0 8px 28px rgba(17, 17, 17, 0.10);
  --glow-primary: 0 8px 24px rgba(0, 110, 115, 0.22);

  /* motion */
  --dur-normal: 0.2s;
  --ease-standard: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html { scroll-behavior: smooth; }

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

.wrap {
  max-width: 1020px;
  margin: 0 auto;
  padding: 0 24px;
}

a { color: var(--primary); }

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

/* header */
header {
  padding: 22px 0;
  border-bottom: 1px solid var(--border-subtle);
}
header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.lockup { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.lockup img { height: 34px; width: auto; display: block; }
.lockup span {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 22px;
  letter-spacing: -0.01em;
  color: var(--text-primary);
}
.header-note {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--text-muted);
}

/* eyebrow — the tracked mono label system */
.eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--text-muted);
}

/* hero */
.hero { padding: 72px 0 64px; }
.hero .wrap { max-width: 760px; }
.hero h1 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 46px;
  line-height: 1.12;
  letter-spacing: -0.01em;
  margin: 14px 0 18px;
}
.hero .lede {
  color: var(--text-secondary);
  font-size: 17px;
  max-width: 46ch;
  text-wrap: pretty;
}

/* email capture */
.capture { margin-top: 30px; }
.capture form {
  display: flex;
  gap: 10px;
  max-width: 440px;
}
.capture input[type="email"] {
  flex: 1;
  padding: 13px 15px;
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--text-primary);
  background: var(--surface-primary);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-md);
  min-width: 0;
}
.capture input[type="email"]::placeholder { color: var(--text-muted); }
.capture input[type="email"]:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-soft);
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 50px;
  padding: 0 22px;
  border: 0;
  border-radius: var(--radius-btn);
  background: linear-gradient(135deg, var(--primary-gradient-start) 0%, var(--primary-dark) 100%);
  color: var(--text-inverse);
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  box-shadow: var(--glow-primary);
  transition: transform var(--dur-normal) var(--ease-standard);
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: scale(0.98); }
.capture .note {
  margin-top: 12px;
  font-size: 13px;
  color: var(--text-muted);
}
.capture .status {
  margin-top: 12px;
  font-size: 14px;
  display: none;
}
.capture .status.ok { display: block; color: var(--conf-high-text); }
.capture .status.fail { display: block; color: var(--text-secondary); }

/* sections */
section { padding: 56px 0; border-top: 1px solid var(--border-subtle); }
h2 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 26px;
  letter-spacing: -0.005em;
  margin: 10px 0 26px;
}

/* how it works */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.step {
  background: var(--surface-primary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 22px;
  box-shadow: var(--shadow-xs);
}
.step .n {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 13px;
  color: var(--accent-bronze);
  display: block;
  margin-bottom: 10px;
}
.step h3 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 18px;
  margin-bottom: 8px;
}
.step p { font-size: 14px; color: var(--text-secondary); }

/* the honest part */
.honest {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}
.honest .item {
  background: var(--surface-primary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 22px;
  box-shadow: var(--shadow-xs);
}
.honest h3 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 18px;
  margin-bottom: 8px;
}
.honest p { font-size: 14px; color: var(--text-secondary); }

/* calibration card visual */
.card-visual {
  display: block;
  width: 100%;
  max-width: 480px;
  height: auto;
  margin: 0 0 22px;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xs);
}

/* two audiences */
.audiences { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.aud {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 22px;
}
.aud h3 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 18px;
  margin: 8px 0;
}
.aud p { font-size: 14px; color: var(--text-secondary); }

/* footer */
footer {
  border-top: 1px solid var(--border-subtle);
  padding: 30px 0 44px;
}
footer .wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
footer .links { display: flex; gap: 22px; font-size: 13px; }
footer .links a { color: var(--text-secondary); text-decoration: none; }
footer .links a:hover { color: var(--primary); }
footer .fine {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-muted);
}

/* privacy page */
.prose { max-width: 680px; padding: 56px 0 72px; }
.prose h1 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 34px;
  letter-spacing: -0.01em;
  margin: 10px 0 8px;
}
.prose .updated {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--text-muted);
  margin-bottom: 28px;
}
.prose h2 { font-size: 21px; margin: 30px 0 10px; }
.prose p, .prose li { font-size: 15px; color: var(--text-secondary); margin-bottom: 12px; }
.prose ul { padding-left: 22px; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .btn { transition: none; }
}

@media (max-width: 800px) {
  .hero { padding: 44px 0 40px; }
  .hero h1 { font-size: 34px; }
  .steps, .honest, .audiences { grid-template-columns: 1fr; }
  .capture form { flex-direction: column; }
  .btn { width: 100%; }
  .header-note { display: none; }
}