@import url('https://fonts.googleapis.com/css2?family=DM+Serif+Display:ital@0;1&family=Inter:wght@300;400;500;600;700;800&display=swap');
@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400&display=swap');

:root {
  /* Core palette */
  --bg: #F5F0E8;
  --bg-card: #FFFFFF;
  --bg-hover: #FAF7F2;
  --text: #1C1917;
  --text-secondary: #57534E;
  --text-tertiary: #A8A29E;
  --canary: #C48B0A;
  --canary-dim: #A87608;
  --canary-light: #FEF3C7;
  --canary-glow: rgba(196, 139, 10, 0.08);
  --border: #E5DDD0;
  --danger: #991B1B;
  --success: #166534;
  --blue: #1D4ED8;
  --radius: 12px;
  --max-w: 1100px;

  /* Typography */
  --font-serif: 'DM Serif Display', Georgia, serif;
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(28, 25, 23, 0.06), 0 1px 2px rgba(28, 25, 23, 0.04);
  --shadow-md: 0 4px 12px rgba(28, 25, 23, 0.08), 0 2px 4px rgba(28, 25, 23, 0.04);
  --shadow-lg: 0 8px 24px rgba(28, 25, 23, 0.10), 0 4px 8px rgba(28, 25, 23, 0.06);
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  font-size: 15px;
}

::selection { background: var(--canary-light); color: var(--text); }

a { color: var(--canary); text-decoration: none; transition: opacity 0.2s; }
a:hover { opacity: 0.75; }

/* ── Serif headings ── */
h1, h2 {
  font-family: var(--font-serif);
  font-weight: 400;
  letter-spacing: -0.01em;
}

/* ── Layout ── */
.container { max-width: var(--max-w); margin: 0 auto; padding: 0 24px; }

/* ── Nav ── */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(245, 240, 232, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}
nav .inner {
  max-width: var(--max-w); margin: 0 auto; padding: 0 24px;
  display: flex; align-items: center; justify-content: space-between;
  height: 60px;
}
nav .logo {
  font-family: var(--font-serif);
  font-size: 22px; font-weight: 400; letter-spacing: 0.01em;
  color: var(--canary);
}
nav .links { display: flex; gap: 28px; }
nav .links a {
  font-size: 12px; font-weight: 500; letter-spacing: 0.06em;
  text-transform: uppercase; color: var(--text-secondary);
  transition: color 0.2s;
}
nav .links a:hover, nav .links a.active { color: var(--text); opacity: 1; }

/* ── Mobile hamburger ── */
.menu-toggle {
  display: none; background: none; border: none; cursor: pointer;
  flex-direction: column; gap: 5px; padding: 8px;
}
.menu-toggle span {
  display: block; width: 20px; height: 1.5px; background: var(--text-secondary);
  transition: transform 0.2s;
}

@media (max-width: 768px) {
  .menu-toggle { display: flex; }
  nav .links {
    display: none; position: absolute; top: 60px; left: 0; right: 0;
    background: rgba(245, 240, 232, 0.98); backdrop-filter: blur(20px);
    flex-direction: column; padding: 16px 24px 24px; gap: 12px;
    border-bottom: 1px solid var(--border);
  }
  nav .links.open { display: flex; }
  nav .links a { font-size: 13px; }
  .grid-2 { grid-template-columns: 1fr; }
  .stat-grid { grid-template-columns: 1fr 1fr; }
  .hero h1 { font-size: 2.4rem; }
  .section-title { font-size: 1.6rem; }
  table { font-size: 13px; display: block; overflow-x: auto; }
  th, td { padding: 10px 8px; white-space: nowrap; }
  .flow-step { gap: 16px; }
}

/* ── Hero ── */
.hero {
  min-height: 100vh; display: flex; flex-direction: column;
  justify-content: center; padding: 140px 0 100px;
}
.hero .eyebrow {
  font-size: 11px; font-weight: 600; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--canary); margin-bottom: 24px;
  display: flex; align-items: center; gap: 10px;
}
.hero .eyebrow::before {
  content: ''; display: inline-block; width: 32px; height: 1px;
  background: var(--canary); flex-shrink: 0;
}
.hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(2.8rem, 6.5vw, 5rem);
  font-weight: 400; line-height: 1.08; letter-spacing: -0.01em;
  max-width: 740px; color: var(--text);
}
.hero h1 .highlight { color: var(--canary); font-style: italic; }
.hero .subtitle {
  margin-top: 28px; font-size: 17px; font-weight: 400;
  color: var(--text-secondary); max-width: 560px; line-height: 1.75;
}
.hero .cta-row { margin-top: 48px; display: flex; gap: 14px; flex-wrap: wrap; }

/* ── Buttons ── */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 13px 28px; border-radius: 8px; font-size: 13px;
  font-weight: 600; letter-spacing: 0.04em; text-transform: uppercase;
  border: none; cursor: pointer; transition: all 0.2s;
}
.btn-primary {
  background: var(--canary); color: #FFFFFF;
  box-shadow: 0 2px 8px rgba(196, 139, 10, 0.3);
}
.btn-primary:hover {
  background: var(--canary-dim); color: #FFFFFF;
  box-shadow: 0 4px 16px rgba(196, 139, 10, 0.35);
  opacity: 1;
}
.btn-ghost {
  background: transparent; color: var(--text-secondary);
  border: 1.5px solid var(--border);
}
.btn-ghost:hover {
  border-color: var(--text-secondary); color: var(--text); opacity: 1;
}

/* ── Sections ── */
section { padding: 100px 0; }
section + section { border-top: 1px solid var(--border); }

.section-eyebrow {
  font-size: 10px; font-weight: 600; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--canary); margin-bottom: 14px;
}
.section-title {
  font-family: var(--font-serif);
  font-size: clamp(1.85rem, 3.5vw, 2.75rem);
  font-weight: 400; line-height: 1.15; letter-spacing: -0.01em;
  margin-bottom: 18px; color: var(--text);
}
.section-subtitle {
  font-size: 16px; font-weight: 400; color: var(--text-secondary);
  max-width: 600px; line-height: 1.75; margin-bottom: 52px;
}

/* ── Cards ── */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
}
.card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 32px;
  box-shadow: var(--shadow-sm);
  transition: border-color 0.2s, box-shadow 0.2s, transform 0.2s;
}
.card:hover {
  border-color: var(--canary-dim);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.card .card-icon { font-size: 28px; margin-bottom: 16px; }
.card h3 {
  font-size: 17px; font-weight: 600; margin-bottom: 10px;
  color: var(--text);
}
.card p { font-size: 14px; color: var(--text-secondary); line-height: 1.7; }

/* ── Stats ── */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 20px; margin: 44px 0;
}
.stat {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 32px 28px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.2s, transform 0.2s;
}
.stat:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.stat .number {
  font-family: var(--font-serif);
  font-size: 2.6rem; font-weight: 400; color: var(--canary);
  letter-spacing: -0.01em; line-height: 1;
}
.stat .label {
  margin-top: 10px; font-size: 12px; font-weight: 600;
  color: var(--text); text-transform: uppercase;
  letter-spacing: 0.06em; line-height: 1.4;
}
.stat .source {
  margin-top: 8px; font-size: 11px; color: var(--text-tertiary);
  font-style: italic;
}

/* ── Tables ── */
table { width: 100%; border-collapse: collapse; margin: 24px 0; }
thead { background: var(--bg); }
th {
  text-align: left; padding: 14px 16px; font-size: 11px;
  font-weight: 700; letter-spacing: 0.09em; text-transform: uppercase;
  color: var(--text-tertiary); border-bottom: 2px solid var(--border);
}
td {
  padding: 14px 16px; font-size: 14px;
  border-bottom: 1px solid var(--border);
  color: var(--text-secondary);
}
tbody tr:nth-child(even) td { background: #FAFAF8; }
tbody tr:hover td { background: var(--canary-glow); color: var(--text); }

/* ── Flow / Steps ── */
.flow { display: flex; flex-direction: column; gap: 0; margin: 44px 0; }
.flow-step {
  display: flex; gap: 28px; padding: 28px 0;
  border-bottom: 1px solid var(--border);
}
.flow-step:last-child { border-bottom: none; }
.flow-num {
  flex-shrink: 0; width: 42px; height: 42px;
  display: flex; align-items: center; justify-content: center;
  background: var(--canary); color: #FFFFFF;
  font-family: var(--font-sans);
  font-weight: 700; font-size: 15px; border-radius: 50%;
  box-shadow: 0 2px 8px rgba(196, 139, 10, 0.25);
}
.flow-content h4 {
  font-size: 16px; font-weight: 600; margin-bottom: 6px; color: var(--text);
}
.flow-content p { font-size: 14px; color: var(--text-secondary); line-height: 1.7; }

/* ── Mono highlights ── */
.mono {
  font-family: var(--font-mono); font-size: 12px;
  color: var(--canary); letter-spacing: 0.04em;
  background: var(--canary-light);
  padding: 2px 6px; border-radius: 4px;
}

/* ── Blockquote ── */
blockquote {
  border-left: 3px solid var(--canary); padding: 20px 28px;
  margin: 36px 0; background: var(--bg-card);
  border-radius: 0 var(--radius) var(--radius) 0;
  box-shadow: var(--shadow-sm);
}
blockquote p {
  font-family: var(--font-serif);
  font-size: 17px; font-weight: 400; font-style: italic;
  color: var(--text); line-height: 1.65;
}
blockquote cite {
  display: block; margin-top: 12px; font-size: 12px;
  color: var(--text-tertiary); font-style: normal;
  font-weight: 500; letter-spacing: 0.04em;
}

/* ── Footer ── */
footer {
  padding: 56px 0; border-top: 1px solid var(--border);
  text-align: center; color: var(--text-tertiary); font-size: 12px;
  background: var(--bg);
}
footer a { color: var(--text-secondary); }
footer a:hover { color: var(--canary); opacity: 1; }
footer .footer-links { margin-bottom: 20px; }
footer .footer-links a {
  display: inline-block; margin: 0 4px;
}

/* ── Utilities ── */
.mt-0 { margin-top: 0; }
.mt-2 { margin-top: 16px; }
.mt-4 { margin-top: 32px; }
.mt-6 { margin-top: 48px; }
.mb-4 { margin-bottom: 32px; }
.text-muted { color: var(--text-secondary); }
.text-canary { color: var(--canary); }
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }
.text-sm { font-size: 13px; }
.font-mono { font-family: var(--font-mono); }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; }
@media (max-width: 768px) { .grid-2 { grid-template-columns: 1fr; } }

/* ── Section divider accent ── */
.section-rule {
  width: 48px; height: 2px; background: var(--canary);
  margin: 0 0 24px;
}

/* ── Pill / tag ── */
.pill {
  display: inline-block; padding: 4px 12px; border-radius: 999px;
  font-size: 11px; font-weight: 600; letter-spacing: 0.08em;
  text-transform: uppercase;
}
.pill-gold {
  background: var(--canary-light); color: var(--canary-dim);
}
.pill-green {
  background: #DCFCE7; color: var(--success);
}

/* ── Highlight box ── */
.highlight-box {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 32px;
  box-shadow: var(--shadow-sm);
}
.highlight-box.accent-border {
  border-left: 4px solid var(--canary);
}