:root {
  --paper: #EEEFF2;
  --white: #FFFFFF;
  --ink: #1E2229;
  --muted: #4A505B;
  --rule: #D5D8DE;
  --box: #C5C9D1;
  --line: #A6ABB5;
  --accent: #EE6A2C;
  --accent-text: #B84A16;
  --dark: #1E2229;
  --dark-rule: #3A404B;
  --dark-muted: #C3C8D1;
  --display: 'Archivo', system-ui, sans-serif;
  --sans: 'Geist', system-ui, -apple-system, sans-serif;
  --mono: 'Geist Mono', ui-monospace, monospace;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--sans); -webkit-font-smoothing: antialiased; }
a { color: var(--accent-text); }
h1, h2, h3, p, ul { margin: 0; }
.wrap { max-width: 1200px; margin: 0 auto; padding-left: 32px; padding-right: 32px; }
.display { font-family: var(--display); font-stretch: 112%; font-weight: 600; letter-spacing: -0.03em; }
.kicker { font-family: var(--mono); font-size: 13px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--accent-text); }
h2 { font-size: 44px; line-height: 1.08; }
h3 { font-size: 22px; line-height: 1.25; }

/* Header + nav */
header { border-bottom: 1px solid var(--rule); position: relative; z-index: 10; }
header .wrap { padding-top: 24px; padding-bottom: 20px; display: flex; flex-wrap: wrap; gap: 16px 32px; align-items: center; justify-content: space-between; }
.logo { display: inline-flex; color: var(--ink); text-decoration: none; }
.logo img { display: block; height: 40px; width: auto; }
nav.main { display: flex; flex-wrap: wrap; gap: 4px 8px; align-items: center; font-size: 15px; }
nav.main > a, nav.main summary { color: var(--ink); text-decoration: none; padding: 10px 12px; border-radius: 6px; cursor: pointer; list-style: none; display: inline-flex; align-items: center; gap: 6px; }
nav.main summary::-webkit-details-marker { display: none; }
nav.main > a:hover, nav.main summary:hover, nav.main details[open] summary { background: var(--white); }
nav.main a[aria-current="page"], nav.main details.current summary { color: var(--accent-text); }
nav.main summary svg { transition: transform .15s; }
nav.main details[open] summary svg { transform: rotate(180deg); }
nav.main details { position: relative; }
.menu { position: absolute; top: calc(100% + 8px); left: 0; min-width: 300px; background: var(--white); border: 1px solid var(--rule); border-radius: 10px; padding: 8px; box-shadow: 0 12px 32px rgba(30,34,41,.10); display: flex; flex-direction: column; }
.menu a { display: flex; flex-direction: column; gap: 2px; padding: 12px 14px; border-radius: 6px; color: var(--ink); text-decoration: none; }
.menu a:hover { background: var(--paper); }
.menu a b { font-weight: 600; font-size: 15px; }
.menu a span { color: var(--muted); font-size: 13px; line-height: 1.4; }
.menu .all { border-top: 1px solid var(--rule); margin-top: 4px; padding-top: 12px; font-family: var(--mono); font-size: 12px; letter-spacing: .06em; text-transform: uppercase; color: var(--accent-text); }

/* Page hero */
.hero { padding-top: 120px; padding-bottom: 112px; }
.hero-text { display: flex; flex-direction: column; gap: 28px; max-width: 980px; }
.hero h1 { font-size: clamp(30px, 6.2vw, 84px); line-height: 1.0; letter-spacing: -0.035em; overflow-wrap: break-word; hyphens: auto; }
.hero p.lede { font-size: 20px; line-height: 1.6; color: var(--muted); max-width: 640px; }
.sub-hero { padding-top: 88px; padding-bottom: 72px; border-bottom: 1px solid var(--rule); }
.sub-hero h1 { font-size: clamp(30px, 4.8vw, 64px); }
.crumbs { font-family: var(--mono); font-size: 12px; letter-spacing: .06em; text-transform: uppercase; color: var(--muted); display: flex; gap: 8px; flex-wrap: wrap; }
.crumbs a { color: var(--muted); text-decoration: none; }
.crumbs a:hover { color: var(--accent-text); }

/* Sub-tabs (in-page section nav) */
.subtabs { position: sticky; top: 0; z-index: 5; background: var(--paper); border-bottom: 1px solid var(--rule); }
.subtabs .wrap { display: flex; gap: 4px; overflow-x: auto; scrollbar-width: none; }
.subtabs a { flex-shrink: 0; padding: 16px 14px; font-size: 14px; color: var(--muted); text-decoration: none; border-bottom: 2px solid transparent; }
.subtabs a:hover { color: var(--ink); }
.subtabs a.on { color: var(--ink); border-bottom-color: var(--accent); }

/* Sections */
.section { padding-top: 104px; padding-bottom: 104px; display: flex; flex-direction: column; gap: 48px; }
.section + .section { border-top: 1px solid var(--rule); }
.section-head { display: flex; flex-wrap: wrap; gap: 20px 48px; justify-content: space-between; align-items: flex-end; }
.section-head .left { display: flex; flex-direction: column; gap: 14px; max-width: 680px; }
.section-head p { color: var(--muted); max-width: 400px; line-height: 1.6; }
.dark { background: var(--dark); color: var(--white); }
.dark .kicker { color: var(--accent); }
.dark .section-head p, .dark .card p { color: var(--dark-muted); }
.white { background: var(--white); }

.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr)); gap: 40px; }
.grid.two { grid-template-columns: repeat(auto-fit, minmax(min(100%, 420px), 1fr)); }
.card { display: flex; flex-direction: column; gap: 14px; border-top: 1px solid var(--rule); padding-top: 24px; }
.dark .card { border-top-color: var(--dark-rule); }
.card h3 { font-family: var(--display); font-stretch: 112%; font-weight: 600; }
.card h3 b { color: var(--accent); font-weight: 600; }
.card p { color: var(--muted); line-height: 1.65; }
.card ul { padding-left: 18px; color: var(--muted); line-height: 1.8; }
.dark .card ul { color: var(--dark-muted); }
a.card { text-decoration: none; color: inherit; }
a.card .more { font-family: var(--mono); font-size: 12px; letter-spacing: .06em; text-transform: uppercase; color: var(--accent-text); margin-top: auto; }
.dark a.card .more { color: var(--accent); }
a.card:hover h3 { color: var(--accent-text); }
.dark a.card:hover h3 { color: var(--accent); }

.steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 240px), 1fr)); border-top: 1px solid var(--ink); }
.steps div { padding: 28px 28px 0 0; display: flex; flex-direction: column; gap: 10px; }
.steps .num { font-family: var(--mono); font-size: 13px; color: var(--accent-text); }
.steps h3 { font-family: var(--display); font-stretch: 112%; font-weight: 600; font-size: 24px; }
.steps p { color: var(--muted); line-height: 1.6; }

.chips { display: flex; flex-wrap: wrap; gap: 10px; font-family: var(--mono); font-size: 14px; }
.chips span { border: 1px solid var(--box); padding: 10px 14px; border-radius: 6px; background: var(--white); }
.strip .wrap { padding-top: 64px; padding-bottom: 64px; display: flex; flex-wrap: wrap; gap: 28px; align-items: center; justify-content: space-between; }
.strip { border-top: 1px solid var(--rule); border-bottom: 1px solid var(--rule); background: var(--white); }
.strip .kicker { color: var(--muted); }

.next { display: flex; flex-wrap: wrap; gap: 16px; justify-content: space-between; align-items: center; padding-top: 48px; border-top: 1px solid var(--rule); }
.next a { font-family: var(--display); font-stretch: 112%; font-weight: 600; font-size: 22px; color: var(--ink); text-decoration: none; }
.next a:hover { color: var(--accent-text); }

footer { background: var(--dark); color: var(--line); }
footer .wrap { padding-top: 64px; padding-bottom: 40px; display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 180px), 1fr)); gap: 40px; }
footer .brand { display: flex; flex-direction: column; gap: 16px; grid-column: span 2; }
footer .col { display: flex; flex-direction: column; gap: 10px; font-size: 14px; }
footer .col .kicker { color: var(--line); margin-bottom: 6px; font-size: 11px; }
footer a { color: var(--white); text-decoration: none; }
footer a:hover { color: var(--accent); }
footer .legal { grid-column: 1 / -1; border-top: 1px solid var(--dark-rule); padding-top: 24px; font-size: 13px; }

@media (max-width: 760px) {
  .wrap { padding-left: 16px; padding-right: 16px; }
  .hero { padding-top: 64px; padding-bottom: 72px; }
  .sub-hero { padding-top: 56px; padding-bottom: 48px; }
  .section { padding-top: 72px; padding-bottom: 72px; }
  h2 { font-size: 34px; }
  nav.main { width: 100%; }
  nav.main details { position: static; }
  .menu { left: 16px; right: 16px; min-width: 0; }
  footer .brand { grid-column: 1 / -1; }
}