@import url('https://fonts.googleapis.com/css2?family=Bricolage+Grotesque:opsz,wght@12..96,400;12..96,500;12..96,600;12..96,700&family=Inter:wght@400;500;600&family=IBM+Plex+Mono:wght@500;600&display=swap');

:root {
  --ink: #1E2233;
  --ink-soft: #454A5C;
  --muted: #6B6F7A;
  --paper: #F6F5F2;
  --paper-raised: #FFFFFF;
  --line: #E4E0D8;
  --accent: #B8451A;
  --accent-soft: #F1DDD0;
  --accent-ink: #7A2E11;

  --radius-s: 8px;
  --radius-m: 14px;
  --radius-l: 22px;

  --font-display: 'Bricolage Grotesque', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;
  --font-mono: 'IBM Plex Mono', ui-monospace, monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 28px 28px;
  background-attachment: fixed;
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent-ink); }
a:focus-visible, button:focus-visible { outline: 2.5px solid var(--accent); outline-offset: 3px; }

.wrap {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 24px;
}

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

.site-header {
  padding: 28px 0 0;
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--ink);
}

.brand-mark {
  width: 34px;
  height: 34px;
  border-radius: 9px;
  background: var(--accent);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 19px;
  flex-shrink: 0;
}

.brand-name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 19px;
  letter-spacing: -0.01em;
}

.nav-links {
  display: flex;
  gap: 22px;
  font-size: 14px;
}

.nav-links a {
  text-decoration: none;
  color: var(--muted);
  font-weight: 500;
}

.nav-links a:hover { color: var(--ink); }

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

.hero {
  padding: 64px 0 40px;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent-ink);
  background: var(--accent-soft);
  display: inline-block;
  padding: 5px 11px;
  border-radius: 20px;
  margin-bottom: 22px;
}

h1 {
  font-family: var(--font-display);
  font-size: clamp(34px, 6vw, 50px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  font-weight: 700;
  margin: 0 0 18px;
}

h1 em {
  font-style: normal;
  color: var(--accent);
}

.hero-sub {
  font-size: 18px;
  color: var(--ink-soft);
  max-width: 480px;
  margin: 0 0 32px;
}

.cta-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 56px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 22px;
  border-radius: var(--radius-m);
  font-weight: 600;
  font-size: 15px;
  text-decoration: none;
  border: 1.5px solid transparent;
  cursor: pointer;
}

.btn-primary {
  background: var(--ink);
  color: #fff;
}

.btn-primary:hover { background: var(--accent); }

.btn-ghost {
  background: var(--paper-raised);
  color: var(--ink);
  border-color: var(--line);
}

.btn-ghost:hover { background: var(--accent-soft); border-color: var(--accent); }

/* ---------- Card stack signature ---------- */

.card-stack {
  position: relative;
  height: 210px;
  margin: 0 0 60px;
}

.stack-card {
  position: absolute;
  width: 196px;
  height: 132px;
  border-radius: var(--radius-m);
  border: 1.5px solid var(--line);
  background: var(--paper-raised);
  box-shadow: 0 6px 16px rgba(30, 34, 51, 0.06);
  padding: 18px 20px;
  font-family: var(--font-mono);
}

.stack-card .label {
  font-size: 11px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 10px;
  display: block;
}

.stack-card .content {
  font-family: var(--font-display);
  font-size: 21px;
  font-weight: 600;
  color: var(--ink);
}

.stack-card .content.formula {
  font-family: var(--font-mono);
  font-size: 24px;
  font-weight: 600;
  letter-spacing: 0.01em;
}

.card-1 { left: 0; top: 34px; transform: rotate(-6deg); z-index: 1; }
.card-2 { left: 176px; top: 0; transform: rotate(3deg); z-index: 3; background: var(--accent-soft); border-color: var(--accent-soft); box-shadow: 0 10px 24px rgba(184, 69, 26, 0.14); }
.card-2 .content { color: var(--accent-ink); }
.card-3 { left: 356px; top: 40px; transform: rotate(-3deg); z-index: 2; }

@media (max-width: 640px) {
  .card-stack { height: 300px; }
  .stack-card { width: 190px; }
  .card-1 { left: 0; top: 0; z-index: 3; }
  .card-2 { left: 40px; top: 90px; z-index: 2; }
  .card-3 { left: 8px; top: 178px; z-index: 1; }
}

/* ---------- Feature strip ---------- */

.features {
  padding: 8px 0 56px;
  border-top: 1.5px solid var(--line);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1.5px solid var(--line);
  border-radius: var(--radius-m);
  overflow: hidden;
  margin-top: 32px;
}

.feature {
  background: var(--paper-raised);
  padding: 22px;
}

.feature .num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--accent);
  margin-bottom: 8px;
  display: block;
}

.feature h3 {
  font-family: var(--font-display);
  font-size: 16.5px;
  font-weight: 600;
  margin: 0 0 6px;
}

.feature p {
  font-size: 14px;
  color: var(--muted);
  margin: 0;
}

.section-label {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}

@media (max-width: 560px) {
  .features-grid { grid-template-columns: 1fr; }
}

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

.site-footer {
  border-top: 1.5px solid var(--line);
  padding: 32px 0 48px;
}

.site-footer .wrap {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 20px;
  flex-wrap: wrap;
}

.footer-legal {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.7;
  max-width: 380px;
}

.footer-links {
  display: flex;
  gap: 18px;
  font-size: 13.5px;
}

.footer-links a { color: var(--ink-soft); text-decoration: none; font-weight: 500; }
.footer-links a:hover { color: var(--accent); }

/* ---------- Legal document pages ---------- */

.doc-page { padding: 44px 0 80px; }

.doc-header {
  margin-bottom: 40px;
  padding-bottom: 28px;
  border-bottom: 1.5px solid var(--line);
}

.doc-header h1 {
  font-size: clamp(28px, 5vw, 36px);
  margin-bottom: 10px;
}

.doc-updated {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--muted);
}

.doc-body h2 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  margin: 40px 0 14px;
  letter-spacing: -0.01em;
}

.doc-body h2:first-child { margin-top: 0; }

.doc-body p { margin: 0 0 14px; color: var(--ink-soft); }

.doc-body ul { margin: 0 0 14px; padding-left: 22px; color: var(--ink-soft); }
.doc-body li { margin-bottom: 6px; }

.doc-body strong { color: var(--ink); }

.doc-nav {
  background: var(--paper-raised);
  border: 1.5px solid var(--line);
  border-radius: var(--radius-m);
  padding: 18px 20px;
  margin-bottom: 40px;
}

.doc-nav .section-label { display: block; margin-bottom: 10px; }

.doc-nav a {
  display: block;
  font-size: 13.5px;
  color: var(--ink-soft);
  text-decoration: none;
  padding: 4px 0;
}

.doc-nav a:hover { color: var(--accent); }

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  color: var(--muted);
  text-decoration: none;
  margin-bottom: 20px;
  font-weight: 500;
}

.back-link:hover { color: var(--ink); }