@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=Source+Serif+4:ital,opsz,wght@0,8..60,400;0,8..60,600;0,8..60,700;1,8..60,400;1,8..60,600&display=swap');

/* ============================================================
   SENTINEL Design System — tokens + components (@sentinel/design-system)
   ============================================================ */
:root {
  --sds-paper: #fbfaf6;  --sds-paper2: #f5f1e8;  --sds-panel: #fbf9f4;  --sds-panel2: #f3eee3;
  --sds-line: #e6dfce;   --sds-line2: #d6cfbe;    --sds-ink: #16212e;    --sds-ink2: #36424f;
  --sds-muted: #6f6757;  --sds-faint: #9a8f77;    --sds-accent: #b5650f; --sds-accent2: #8a4d0c;
  --sds-gold: #c2902a;   --sds-clear: #2f7d52;    --sds-review: #c2902a; --sds-block: #bc3b2e;
  --sds-serif: 'Source Serif 4', Georgia, 'Times New Roman', serif;
  --sds-sans: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --sds-radius: 10px;
}

/* base */
.sds, .sds * { box-sizing: border-box; }
.sds { font-family: var(--sds-sans); color: var(--sds-ink); line-height: 1.55; -webkit-font-smoothing: antialiased; }

/* brand wordmark */
.sds-brand { display: inline-flex; align-items: center; gap: 13px; }
.sds-brand__mark { flex: none; }
.sds-brand__logo { font-family: var(--sds-sans); font-weight: 800; letter-spacing: .26em; color: var(--sds-ink); line-height: 1; }
.sds-brand--sm .sds-brand__logo { font-size: 16px; }
.sds-brand--md .sds-brand__logo { font-size: 22px; }
.sds-brand--lg .sds-brand__logo { font-size: 30px; }
.sds-brand__tag { font-family: var(--sds-serif); font-style: italic; font-size: 13.5px; color: var(--sds-accent); margin-top: 3px; }

/* panel / card */
.sds-panel { border: 1px solid var(--sds-line); background: var(--sds-panel); border-radius: var(--sds-radius);
  padding: 18px 20px; box-shadow: 0 1px 2px rgba(22, 33, 46, .03); }

/* section title — orange-dashed uppercase eyebrow */
.sds-eyebrow { display: flex; align-items: center; gap: 10px; margin: 0 0 14px;
  font-family: var(--sds-sans); font-size: 11px; letter-spacing: .18em; text-transform: uppercase;
  color: var(--sds-accent2); font-weight: 700; }
.sds-eyebrow::before { content: ""; width: 24px; height: 2px; background: var(--sds-accent); flex: none; }

/* stats — big serif numeral + label */
.sds-statrow { display: flex; gap: 14px; flex-wrap: wrap; }
.sds-stat { border: 1px solid var(--sds-line); border-radius: 9px; padding: 13px 18px; min-width: 98px; background: var(--sds-paper); }
.sds-stat__n { font-family: var(--sds-serif); font-size: 30px; font-weight: 600; color: var(--sds-ink); line-height: 1.04; }
.sds-stat__l { font-family: var(--sds-sans); font-size: 9.5px; color: var(--sds-faint); text-transform: uppercase; letter-spacing: .1em; font-weight: 700; margin-top: 4px; }
.sds-stat--clear .sds-stat__n { color: var(--sds-clear); }
.sds-stat--review .sds-stat__n { color: var(--sds-review); }
.sds-stat--block .sds-stat__n { color: var(--sds-block); }

/* verdict pill */
.sds-pill { display: inline-block; font-family: var(--sds-sans); font-size: 10px; font-weight: 700;
  letter-spacing: .05em; padding: 3px 10px; border-radius: 20px; border: 1px solid; }
.sds-pill--CLEARED { color: var(--sds-clear); border-color: rgba(47, 125, 82, .35); background: rgba(47, 125, 82, .09); }
.sds-pill--REVIEW { color: var(--sds-accent2); border-color: rgba(194, 144, 42, .45); background: rgba(194, 144, 42, .12); }
.sds-pill--BLOCKED { color: var(--sds-block); border-color: rgba(188, 59, 46, .35); background: rgba(188, 59, 46, .09); }

/* buttons */
.sds-btn { font-family: var(--sds-sans); font-size: 12px; font-weight: 600; letter-spacing: .02em;
  cursor: pointer; border-radius: 7px; padding: 8px 14px; border: 1px solid var(--sds-line2);
  background: var(--sds-paper); color: var(--sds-accent2); transition: .12s; text-decoration: none; display: inline-block; }
.sds-btn:hover { border-color: var(--sds-accent); color: var(--sds-accent); background: #fff; }
.sds-btn--primary { border-color: var(--sds-accent); background: var(--sds-accent); color: #fff; }
.sds-btn--primary:hover { background: var(--sds-accent2); border-color: var(--sds-accent2); color: #fff; }
.sds-btn--danger { border-color: rgba(188, 59, 46, .4); color: var(--sds-block); background: transparent; }
.sds-btn--danger:hover { background: rgba(188, 59, 46, .08); border-color: var(--sds-block); color: var(--sds-block); }
.sds-btn:disabled { opacity: .5; cursor: not-allowed; }

/* text field */
.sds-field { display: inline-flex; flex-direction: column; gap: 5px; }
.sds-field__label { font-family: var(--sds-sans); font-size: 10px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--sds-faint); }
.sds-input { font-family: var(--sds-sans); font-size: 12.5px; background: #fff; color: var(--sds-ink);
  border: 1px solid var(--sds-line2); border-radius: 7px; padding: 8px 10px; }
.sds-input:focus { outline: none; border-color: var(--sds-accent); box-shadow: 0 0 0 3px rgba(181, 101, 15, .12); }

/* badge */
.sds-badge { display: inline-block; font-family: var(--sds-sans); font-size: 9.5px; font-weight: 700;
  letter-spacing: .08em; padding: 2px 9px; border-radius: 10px; text-transform: uppercase; }
.sds-badge--lock { color: var(--sds-accent2); border: 1px solid rgba(194, 144, 42, .5); background: rgba(194, 144, 42, .13); }
.sds-badge--info { color: var(--sds-ink2); border: 1px solid var(--sds-line2); background: var(--sds-paper2); }

/* legend */
.sds-legend { display: inline-flex; gap: 14px; }
.sds-legend__item { display: inline-flex; align-items: center; gap: 5px; font-family: var(--sds-sans);
  font-size: 9.5px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--sds-muted); }
.sds-legend__dot { width: 8px; height: 8px; border-radius: 2px; }
.sds-legend__dot--clear { background: var(--sds-clear); }
.sds-legend__dot--review { background: var(--sds-review); }
.sds-legend__dot--block { background: var(--sds-block); }

/* tab nav — editorial underline tabs */
.sds-tabs { display: flex; gap: 4px; flex-wrap: wrap; border-bottom: 1px solid var(--sds-line); }
.sds-tabs__tab { font-family: var(--sds-sans); font-size: 11px; letter-spacing: .14em; text-transform: uppercase;
  color: var(--sds-muted); background: transparent; border: 0; border-bottom: 2px solid transparent;
  padding: 9px 13px 11px; cursor: pointer; font-weight: 600; }
.sds-tabs__tab:hover { color: var(--sds-ink); }
.sds-tabs__tab--on { color: var(--sds-accent); border-bottom-color: var(--sds-accent); }

/* table */
.sds-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.sds-table th { font-family: var(--sds-sans); font-size: 9.5px; letter-spacing: .12em; text-transform: uppercase;
  color: var(--sds-faint); text-align: left; padding: 8px; border-bottom: 2px solid var(--sds-line2); font-weight: 700; }
.sds-table td { padding: 9px 8px; border-bottom: 1px solid var(--sds-line); color: var(--sds-ink2); }
.sds-table tbody tr:hover td { background: var(--sds-paper2); }

/* key/value */
.sds-kv { font-family: var(--sds-sans); font-size: 12.5px; color: var(--sds-muted); margin: 4px 0; }
.sds-kv b { color: var(--sds-ink); font-weight: 600; }

/* ============================================================
   Site layout — scaffolding built with tokens only
   ============================================================ */
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--sds-paper); }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 24px; }

/* header */
.site-header { position: sticky; top: 0; z-index: 50; background: rgba(251, 250, 246, .92); backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--sds-line); }
.site-header__in { display: flex; align-items: center; justify-content: space-between; gap: 18px; padding: 14px 0; }
.site-header a.brandlink { text-decoration: none; }
.site-nav { display: flex; align-items: center; gap: 2px; }
.site-nav a { font-family: var(--sds-sans); font-size: 11px; letter-spacing: .14em; text-transform: uppercase;
  color: var(--sds-muted); text-decoration: none; font-weight: 600; padding: 9px 12px 11px; border-bottom: 2px solid transparent; }
.site-nav a:hover { color: var(--sds-ink); }
.site-nav a.on { color: var(--sds-accent); border-bottom-color: var(--sds-accent); }
.nav-cta { margin-left: 10px; }
.nav-burger { display: none; background: none; border: 1px solid var(--sds-line2); border-radius: 7px; padding: 7px 10px; cursor: pointer; color: var(--sds-ink); font-size: 14px; }

/* status ribbon */
.ribbon { background: var(--sds-ink); color: #efe9dc; font-size: 11px; letter-spacing: .06em; padding: 7px 0; }
.ribbon .wrap { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.ribbon b { color: var(--sds-gold); font-weight: 700; letter-spacing: .12em; }
.ribbon a { color: #efe9dc; text-decoration: underline; text-underline-offset: 2px; }

/* hero */
.hero { padding: 72px 0 56px; border-bottom: 1px solid var(--sds-line); background:
  radial-gradient(1200px 420px at 85% -10%, rgba(194, 144, 42, .10), transparent 60%),
  radial-gradient(900px 380px at -10% 110%, rgba(181, 101, 15, .07), transparent 55%); }
.hero__grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 48px; align-items: center; }
.hero h1 { font-family: var(--sds-serif); font-size: clamp(34px, 4.6vw, 54px); font-weight: 600; line-height: 1.08; margin: 0 0 18px; }
.hero h1 em { font-style: italic; color: var(--sds-accent); }
.hero p.lede { font-size: 16.5px; color: var(--sds-ink2); max-width: 54ch; margin: 0 0 24px; }
.hero__ctas { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; margin-bottom: 22px; }
.hero__ctas .sds-btn { font-size: 13px; padding: 11px 18px; }

/* sections */
.section { padding: 64px 0; }
.section--alt { background: var(--sds-paper2); border-top: 1px solid var(--sds-line); border-bottom: 1px solid var(--sds-line); }
.section h2 { font-family: var(--sds-serif); font-size: clamp(26px, 3vw, 34px); font-weight: 600; line-height: 1.15; margin: 0 0 14px; }
.section p.sub { color: var(--sds-muted); font-size: 15px; max-width: 68ch; margin: 0 0 30px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.panel-title { font-family: var(--sds-sans); font-size: 11px; letter-spacing: .16em; text-transform: uppercase; color: var(--sds-faint); font-weight: 700; margin: 0 0 10px; }
.sds-panel h3 { font-family: var(--sds-serif); font-size: 19px; font-weight: 600; margin: 4px 0 8px; }
.sds-panel p { font-size: 13.5px; color: var(--sds-muted); margin: 0; }
.stepnum { font-family: var(--sds-serif); font-size: 30px; font-weight: 600; color: var(--sds-accent); line-height: 1; }

/* screening demo */
.demo { padding: 0; overflow: hidden; }
.demo__head { display: flex; justify-content: space-between; align-items: center; padding: 14px 18px; border-bottom: 1px solid var(--sds-line); background: var(--sds-panel2); }
.demo__head .t { font-size: 10.5px; letter-spacing: .16em; text-transform: uppercase; font-weight: 700; color: var(--sds-ink2); }
.demo__body { padding: 16px 18px 18px; }
.demo-row { display: flex; align-items: center; gap: 10px; padding: 9px 10px; border: 1px solid var(--sds-line); border-radius: 8px; margin-bottom: 8px; cursor: pointer; background: var(--sds-paper); transition: .12s; }
.demo-row:hover { border-color: var(--sds-line2); background: #fff; }
.demo-row.sel { border-color: var(--sds-accent); box-shadow: 0 0 0 3px rgba(181, 101, 15, .1); }
.demo-row .fn { font-size: 12.5px; font-weight: 600; color: var(--sds-ink2); flex: 1; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }
.demo-row .sz { font-size: 10.5px; color: var(--sds-faint); }
.demo__bar { height: 6px; border-radius: 4px; background: var(--sds-paper2); border: 1px solid var(--sds-line); overflow: hidden; margin: 14px 0 10px; }
.demo__bar i { display: block; height: 100%; width: 0; background: var(--sds-accent); transition: width .25s; }
.demo__log { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 11px; color: var(--sds-muted); min-height: 58px; }
.demo__log div { padding: 1.5px 0; }
.demo__verdict { display: flex; align-items: center; gap: 10px; margin-top: 10px; min-height: 28px; }
.demo__verdict .why { font-size: 11.5px; color: var(--sds-muted); }

/* timeline */
.timeline { list-style: none; margin: 0; padding: 0; position: relative; }
.timeline::before { content: ""; position: absolute; left: 7px; top: 6px; bottom: 6px; width: 2px; background: var(--sds-line2); }
.timeline li { position: relative; padding: 0 0 22px 34px; }
.timeline li::before { content: ""; position: absolute; left: 0; top: 4px; width: 12px; height: 12px; border-radius: 50%;
  background: var(--sds-paper); border: 2px solid var(--sds-line2); }
.timeline li.done::before { background: var(--sds-clear); border-color: var(--sds-clear); }
.timeline li.now::before { background: var(--sds-gold); border-color: var(--sds-gold); box-shadow: 0 0 0 4px rgba(194, 144, 42, .18); }
.timeline .d { font-size: 10px; letter-spacing: .12em; text-transform: uppercase; font-weight: 700; color: var(--sds-faint); }
.timeline .t { font-size: 14px; font-weight: 600; color: var(--sds-ink); margin: 2px 0; }
.timeline .x { font-size: 12.5px; color: var(--sds-muted); }

/* blog cards */
.post-card { display: flex; flex-direction: column; gap: 8px; text-decoration: none; transition: .12s; }
.post-card:hover { border-color: var(--sds-accent); transform: translateY(-2px); }
.post-card .date { font-size: 10px; letter-spacing: .12em; text-transform: uppercase; font-weight: 700; color: var(--sds-faint); }
.post-card h3 { margin: 0; }
.post-card .more { font-size: 11px; letter-spacing: .12em; text-transform: uppercase; font-weight: 700; color: var(--sds-accent); margin-top: auto; }

/* article */
.article { max-width: 760px; margin: 0 auto; padding: 56px 24px 72px; }
.article h1 { font-family: var(--sds-serif); font-size: clamp(30px, 4vw, 42px); font-weight: 600; line-height: 1.12; margin: 10px 0 8px; }
.article .meta { font-size: 11px; letter-spacing: .12em; text-transform: uppercase; font-weight: 700; color: var(--sds-faint); margin-bottom: 26px; }
.article p, .article li { font-size: 15.5px; color: var(--sds-ink2); line-height: 1.7; }
.article h2 { font-family: var(--sds-serif); font-size: 24px; font-weight: 600; margin: 34px 0 10px; }
.article blockquote { border-left: 3px solid var(--sds-accent); margin: 22px 0; padding: 4px 0 4px 18px;
  font-family: var(--sds-serif); font-style: italic; font-size: 17px; color: var(--sds-ink); }
.article .foot { margin-top: 36px; }
.article a { color: var(--sds-accent2); }

/* contact */
.contact-form { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.contact-form .sds-field { display: flex; }
.contact-form .full { grid-column: 1 / -1; }
.contact-form textarea.sds-input { min-height: 130px; resize: vertical; }
.contact-form select.sds-input { appearance: auto; }

/* footer */
.site-footer { border-top: 1px solid var(--sds-line); background: var(--sds-paper2); padding: 44px 0 30px; margin-top: 0; }
.site-footer__grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 30px; }
.site-footer h4 { font-size: 10.5px; letter-spacing: .16em; text-transform: uppercase; color: var(--sds-faint); margin: 0 0 12px; }
.site-footer a { display: block; color: var(--sds-ink2); text-decoration: none; font-size: 13px; margin: 6px 0; }
.site-footer a:hover { color: var(--sds-accent); }
.site-footer .fine { font-size: 11px; color: var(--sds-faint); border-top: 1px solid var(--sds-line); margin-top: 30px; padding-top: 16px; line-height: 1.6; }

/* reveal animations */
.rv { opacity: 0; transform: translateY(14px); transition: opacity .55s ease, transform .55s ease; }
.rv.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .rv { transition: none; opacity: 1; transform: none; } }

/* responsive */
@media (max-width: 900px) {
  .hero__grid, .grid-3, .grid-2, .site-footer__grid, .contact-form { grid-template-columns: 1fr; }
  .site-nav { display: none; position: absolute; top: 100%; left: 0; right: 0; background: var(--sds-paper);
    border-bottom: 1px solid var(--sds-line); flex-direction: column; align-items: stretch; padding: 10px 18px 16px; }
  .site-nav.open { display: flex; }
  .nav-burger { display: block; }
  .hero { padding: 44px 0 40px; }
}