/* SSCS Bootstrapper — "Attestation Ledger" design system.
   Print-shop ledger: paper ground, surface cards with hard offset shadows,
   2px ink rules, inspection seals, hatched "unverified" as a first-class state.
   System-theme via prefers-color-scheme on custom properties. */

:root {
  --paper: #F2F4F1;
  --surface: #FDFEFC;
  --ink: #16211F;
  --ink-dim: #3E4A46;
  --muted: #6E7573;
  --line: #C6CCC8;
  --line-strong: #16211F;
  --stamp: #2C51D8;
  --stamp-ink: #F2F4F1;   /* text on stamp-filled surfaces */
  --pass: #2F9E77;
  --fail: #8C2E1B;
  --warn: #8C6D1F;
  --seal-d: #A3541E;
  --hatch-a: #9AA19D;
  --hatch-b: #E4E7E3;
  --shadow: 8px 8px 0 rgba(22, 33, 31, 0.12);
  --inkblock-bg: #16211F;
  --inkblock-ink: #F2F4F1;
  --inkblock-edge: #16211F;
  --font-display: "Archivo", "Helvetica Neue", Arial, sans-serif;
  --font-body: "Public Sans", -apple-system, "Segoe UI", system-ui, sans-serif;
  --font-mono: "Spline Sans Mono", ui-monospace, "SF Mono", "Cascadia Code", Menlo, monospace;
}
@media (prefers-color-scheme: dark) {
  :root {
    --paper: #0F1416;
    --surface: #161C1E;
    --ink: #E8EDE9;
    --ink-dim: #B4BBB6;
    --muted: #8A918D;
    --line: #2A3134;
    --line-strong: #E8EDE9;
    --stamp: #7C9BFF;
    --stamp-ink: #0F1416;
    --pass: #45B08C;
    --fail: #D96C52;
    --warn: #C9A24C;
    --seal-d: #C77B3F;
    --hatch-a: #5A615D;
    --hatch-b: #232A2C;
    --shadow: 8px 8px 0 rgba(232, 237, 233, 0.10);
    --inkblock-edge: #2A3134;
  }
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
}
a { color: var(--stamp); }
code, pre, .mono { font-family: var(--font-mono); }
:focus-visible { outline: 2px solid var(--stamp); outline-offset: 2px; }

main { max-width: 1200px; margin: 0 auto; padding: 0 32px 72px; }

.hatch {
  background: repeating-linear-gradient(45deg, var(--hatch-a) 0 3px, var(--hatch-b) 3px 6px);
}

/* ---------- chrome ---------- */
.topbar { border-bottom: 2px solid var(--line-strong); }
.topbar-in {
  max-width: 1200px; margin: 0 auto; padding: 22px 32px;
  display: flex; align-items: baseline; justify-content: space-between; gap: 24px;
}
.wordmark {
  font-family: var(--font-mono); font-weight: 700; font-size: 17px;
  letter-spacing: 0.02em; color: var(--ink); text-decoration: none;
}
.wordmark .caret { color: var(--stamp); }
.topnav { display: flex; gap: 28px; font-size: 15px; font-weight: 500; flex-wrap: wrap; }
.topnav a { color: var(--ink); text-decoration: none; }
.topnav a:hover { color: var(--stamp); }
.topnav a.active { border-bottom: 3px solid var(--stamp); padding-bottom: 2px; }
.topnav a.ext { color: var(--stamp); }

.site-footer { border-top: 2px solid var(--line-strong); }
.footer-in {
  max-width: 1200px; margin: 0 auto; padding: 18px 32px;
  display: flex; justify-content: space-between; align-items: baseline; gap: 16px; flex-wrap: wrap;
  font-size: 13px; color: var(--ink-dim);
}
.footer-in .domain { font-family: var(--font-mono); font-size: 12px; }

/* ---------- shared atoms ---------- */
.eyebrow {
  font-family: var(--font-mono); font-size: 12px; font-weight: 500;
  letter-spacing: 0.14em; text-transform: uppercase; color: var(--stamp);
}
.display-hl {
  font-family: var(--font-display); font-weight: 900;
  font-size: clamp(40px, 4.6vw, 58px); line-height: 1.02;
  letter-spacing: -0.015em; text-transform: uppercase; margin: 0;
}
.page-title {
  font-family: var(--font-display); font-weight: 900;
  font-size: clamp(34px, 3.8vw, 46px); line-height: 1.05;
  letter-spacing: -0.015em; text-transform: uppercase; margin: 0;
}
.h2-display {
  font-family: var(--font-display); font-weight: 900; font-size: 30px;
  letter-spacing: -0.01em; margin: 0;
}
.lede { font-size: 18px; line-height: 1.6; color: var(--ink-dim); max-width: 58ch; margin: 0; }

.card {
  background: var(--surface);
  border: 2px solid var(--line-strong);
  box-shadow: var(--shadow);
}
.card-head {
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
  border-bottom: 2px dashed var(--line); padding: 14px 22px;
  font-family: var(--font-mono);
}

.btn {
  display: inline-block; background: var(--stamp); color: var(--stamp-ink);
  padding: 13px 20px; font-weight: 600; font-size: 15px; text-decoration: none;
  border: 2px solid var(--stamp);
}
.btn:hover { filter: brightness(1.08); }
button.btn { font-family: var(--font-body); cursor: pointer; }
button.btn:disabled { opacity: 0.55; cursor: default; filter: none; }
.btn-outline {
  display: inline-block; background: transparent; color: var(--ink);
  padding: 11px 20px; font-weight: 600; font-size: 15px; text-decoration: none;
  border: 2px solid var(--line-strong);
}
.btn-row { display: flex; gap: 14px; flex-wrap: wrap; }

.inkblock {
  background: var(--inkblock-bg); color: var(--inkblock-ink);
  border: 1px solid var(--inkblock-edge);
  font-family: var(--font-mono); font-size: 14px; line-height: 1.9;
  padding: 20px 24px; overflow-x: auto; margin: 0;
}

.arrow-link {
  font-weight: 600; font-size: 15px; color: var(--ink);
  text-decoration: underline; text-underline-offset: 4px;
}

/* ---------- inspection seals ---------- */
.seal {
  position: relative; display: inline-flex; align-items: center; justify-content: center;
  width: 84px; height: 84px; flex-shrink: 0; border-radius: 50%;
  border: 3px solid var(--seal-color, var(--muted));
  color: var(--seal-color, var(--muted));
  font-family: var(--font-mono); font-weight: 700; font-size: 34px;
  transform: rotate(var(--seal-rot, 0deg));
}
.seal .seal-ring {
  position: absolute; inset: 4px; border-radius: 50%;
  border: 1.5px solid var(--seal-color, var(--muted));
}
.seal-74 { width: 74px; height: 74px; font-size: 30px; }
.seal-64 { width: 64px; height: 64px; font-size: 23px; }
.seal-44 { width: 44px; height: 44px; font-size: 17px; border-width: 2.5px; }
.seal-44 .seal-ring { inset: 3px; border-width: 1px; }
.seal-aplus, .seal-a, .seal-b { --seal-color: var(--pass); }
.seal-c { --seal-color: var(--warn); }
.seal-d { --seal-color: var(--seal-d); }
.seal-f { --seal-color: var(--fail); }
.seal-na { --seal-color: var(--muted); }
.provisional {
  display: inline-block; font-size: 11px; color: var(--warn);
  text-transform: uppercase; letter-spacing: 0.08em; margin-left: 8px;
}

/* ---------- phase bars ---------- */
.phase-bars { display: grid; gap: 7px; margin: 10px 0; }
.phase-row {
  display: grid; grid-template-columns: 170px 1fr 44px; gap: 10px;
  align-items: center; font-size: 13px;
}
.phase-bars-compact .phase-row { grid-template-columns: 34px 1fr 44px; }
.phase-name { color: var(--muted); font-family: var(--font-mono); font-size: 11px; }
.phase-pct {
  font-family: var(--font-mono); font-size: 11px; text-align: right;
  font-variant-numeric: tabular-nums;
}
.bar { display: flex; gap: 2px; height: 10px; }
.bar-empty { font-size: 10px; color: var(--ink-dim); height: auto; font-family: var(--font-mono); }
.seg { height: 100%; }
.seg-pass { background: var(--pass); }
.seg-fail { background: var(--fail); }

/* ---------- home ---------- */
.hero {
  display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 56px;
  align-items: center; padding: 64px 0 56px;
}
.hero-copy { display: flex; flex-direction: column; gap: 28px; }
.hero-cta { display: flex; gap: 16px; align-items: center; flex-wrap: wrap; }
.install-cmd {
  background: var(--inkblock-bg); color: var(--inkblock-ink);
  border: 2px solid var(--inkblock-edge);
  font-family: var(--font-mono); font-size: 15px; padding: 15px 22px; margin: 0;
}

.receipt-head-title { font-size: 13px; font-weight: 700; }
.receipt-head-ver { font-size: 12px; color: var(--muted); }
.receipt-body {
  font-family: var(--font-mono); font-size: 13.5px; line-height: 2.05;
  padding: 20px 22px;
}
.receipt-body .r-pass { color: var(--pass); font-weight: 700; }
.receipt-body .r-fail { color: var(--fail); font-weight: 700; }
.receipt-body .r-skip { color: var(--muted); font-weight: 700; }
.receipt-body .r-dim { color: var(--muted); }
.receipt-sum { border-top: 2px dashed var(--line); margin-top: 10px; padding-top: 10px; }
@media (prefers-reduced-motion: no-preference) {
  .receipt-body > div { opacity: 0; animation: receipt-print 0.45s ease-out forwards; }
  .receipt-body > div:nth-child(1) { animation-delay: 0.08s; }
  .receipt-body > div:nth-child(2) { animation-delay: 0.16s; }
  .receipt-body > div:nth-child(3) { animation-delay: 0.24s; }
  .receipt-body > div:nth-child(4) { animation-delay: 0.32s; }
  .receipt-body > div:nth-child(5) { animation-delay: 0.40s; }
  .receipt-body > div:nth-child(6) { animation-delay: 0.48s; }
  .receipt-body > div:nth-child(7) { animation-delay: 0.56s; }
  .receipt-body > div:nth-child(8) { animation-delay: 0.64s; }
}
@keyframes receipt-print {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: none; }
}

.phase-strip {
  display: flex; border-top: 2px solid var(--line-strong);
  border-bottom: 2px solid var(--line-strong);
}
.phase-cell { flex: 1 1 0; padding: 30px 28px; border-right: 1px solid var(--line); }
.phase-cell:last-child { border-right: none; }
.phase-cell-eyebrow {
  font-family: var(--font-mono); font-size: 11px; font-weight: 500;
  letter-spacing: 0.12em; color: var(--stamp);
}
.phase-cell-title {
  font-family: var(--font-display); font-weight: 700; font-size: 17px; margin-top: 8px;
}
.phase-cell-copy { font-size: 13.5px; color: var(--ink-dim); margin-top: 6px; line-height: 1.5; }

.twocol {
  display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 56px;
  padding: 56px 0 16px; align-items: start;
}
.col-block { display: flex; flex-direction: column; gap: 16px; }
.col-block .body-copy { font-size: 16px; line-height: 1.65; color: var(--ink-dim); margin: 0; }
.seal-demo { display: flex; align-items: center; gap: 18px; margin-top: 6px; }
.seal-demo-copy { font-size: 14px; color: var(--ink-dim); line-height: 1.5; }
.code-chip {
  font-family: var(--font-mono); font-size: 14px;
  background: var(--hatch-b); padding: 2px 7px;
}

/* ---------- directory ---------- */
.page-head {
  padding: 52px 0 24px;
  display: flex; justify-content: space-between; align-items: flex-end; gap: 40px; flex-wrap: wrap;
}
.page-head-copy { display: flex; flex-direction: column; gap: 14px; }
.page-head-copy .body-copy { font-size: 16px; color: var(--ink-dim); max-width: 60ch; line-height: 1.6; margin: 0; }

.dir-controls { margin: 8px 0 20px; }
.dir-controls-label {
  display: block; margin: 0 0 8px;
  font-family: var(--font-mono); font-size: 11.5px; font-weight: 500;
  letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted);
}
#dir-filter {
  width: 100%; max-width: 520px; padding: 12px 16px;
  border: 2px solid var(--line-strong); background: var(--surface); color: var(--ink);
  font-family: var(--font-mono); font-size: 14px; border-radius: 0;
}
#dir-filter::placeholder { color: var(--muted); }

/* Scan-intake callout: revealed by filter.js when the query is a repo slug
   with no directory entry. Quiet — dashed rule, no shadow, not a hero. */
.dir-scan {
  max-width: 520px; margin: 14px 0 0; padding: 18px 22px;
  background: var(--surface); border: 2px dashed var(--line-strong);
}
.dir-scan-copy {
  margin: 0 0 14px; font-size: 14px; color: var(--ink-dim);
  line-height: 1.55; max-width: 52ch;
}
.dir-scan-status {
  margin: 12px 0 0; font-family: var(--font-mono); font-size: 12.5px;
  color: var(--ink-dim); line-height: 1.6;
}
.dir-scan-status a { color: var(--stamp); }

.table-scroll { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; }
th, td { text-align: left; padding: 12px 14px; vertical-align: top; }
thead th {
  font-family: var(--font-mono); font-size: 11px; font-weight: 500;
  text-transform: uppercase; letter-spacing: 0.1em; color: var(--ink-dim);
  border-bottom: 2px solid var(--line-strong); padding: 12px 14px;
}
tbody td { border-bottom: 1px solid var(--line); }

table.directory tbody tr { background: var(--surface); }
table.directory tbody td { padding: 24px 14px; vertical-align: middle; }
.repo-cell { min-width: 220px; }
.repo-name {
  font-family: var(--font-mono); font-size: 17px; font-weight: 700;
  color: var(--ink); text-decoration: none;
}
.repo-name:hover { color: var(--stamp); }
.desc { display: block; font-size: 13.5px; color: var(--muted); margin-top: 5px; }
.meta-line {
  display: block; font-family: var(--font-mono); font-size: 12.5px;
  color: var(--ink-dim); margin-top: 5px;
}
.prov-flag { font-style: normal; color: var(--warn); }
.bars-cell { min-width: 260px; }
.lane {
  display: inline-block; font-family: var(--font-mono); font-size: 12px;
  padding: 5px 10px; text-align: center; white-space: nowrap;
}
.lane-ext { border: 1.5px solid var(--line-strong); color: var(--ink); }
.lane-auth { border: 1.5px solid var(--stamp); color: var(--stamp); font-weight: 700; }
.date-cell { font-family: var(--font-mono); font-size: 13px; color: var(--ink-dim); }

.key-row {
  display: flex; gap: 26px; padding: 18px 14px; align-items: center; flex-wrap: wrap;
  font-size: 12.5px; color: var(--ink-dim);
}
.key-label { font-family: var(--font-mono); font-size: 11.5px; color: var(--muted); }
.key-item { display: inline-flex; align-items: center; gap: 7px; }
.key-swatch { width: 22px; height: 9px; display: inline-block; }
.key-pass { background: var(--pass); }
.key-fail { background: var(--fail); }

/* ---------- repo detail ---------- */
.crumbs { margin-top: 28px; font-size: 14px; font-family: var(--font-mono); }
.repo-hero { display: flex; align-items: center; gap: 24px; margin: 28px 0 10px; flex-wrap: wrap; }
.repo-title {
  font-family: var(--font-display); font-weight: 900;
  font-size: clamp(26px, 3vw, 38px); letter-spacing: -0.01em; margin: 0;
  overflow-wrap: anywhere;
}
.repo-meta { font-family: var(--font-mono); font-size: 13px; color: var(--ink-dim); line-height: 1.9; }
.score-line { font-size: 15px; color: var(--ink-dim); }
.nudge {
  background: var(--surface); border: 2px solid var(--line-strong);
  box-shadow: var(--shadow); padding: 26px 30px; margin: 36px 0;
}
.nudge-title { font-family: var(--font-display); font-weight: 900; font-size: 24px; margin: 0 0 10px; }
.nudge .body-copy { color: var(--ink-dim); margin: 0 0 18px; }
.transparency-note { font-size: 14px; color: var(--ink-dim); }
.controls-title { font-family: var(--font-display); font-weight: 900; font-size: 26px; margin: 40px 0 12px; }
table.controls tbody tr { background: var(--surface); }
.oc-fail .outcome, .oc-gap .outcome { color: var(--fail); font-weight: 600; }
.oc-pass .outcome { color: var(--pass); font-weight: 600; }
.oc-unverified .outcome { color: var(--muted); }
.outcome { font-family: var(--font-mono); font-size: 14px; white-space: nowrap; }
.out-of-scope { opacity: 0.55; }
.oos, .raw { font-size: 11px; color: var(--muted); font-family: var(--font-mono); }
.reason { font-size: 13px; color: var(--ink-dim); }
details summary { cursor: pointer; font-size: 13px; color: var(--stamp); }
details ul { font-size: 13px; color: var(--ink-dim); }

/* ---------- methodology ---------- */
.method-grid { display: grid; grid-template-columns: 280px minmax(0, 1fr); gap: 0; }
.rail { border-right: 2px solid var(--line-strong); padding: 56px 24px 56px 0; }
.rail-sticky { position: sticky; top: 24px; }
.rail-head {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.12em;
  color: var(--muted); padding-bottom: 16px;
}
.rail-item {
  display: flex; align-items: center; gap: 12px; padding: 10px 0;
  font-family: var(--font-mono); font-size: 13.5px; color: var(--ink-dim);
  text-decoration: none;
}
.rail-item:hover { color: var(--stamp); }
.rail-item-first { font-weight: 700; color: var(--ink); }
.rail-dot { width: 10px; height: 10px; border-radius: 50%; background: var(--stamp); flex-shrink: 0; }
.rail-item-sub { border-left: 2px solid var(--line); margin-left: 4px; padding-left: 20px; }
.method-main { padding: 56px 0 56px 48px; max-width: 860px; display: flex; flex-direction: column; gap: 40px; }
.method-section { display: flex; flex-direction: column; gap: 14px; }
.method-section-label {
  font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.12em;
  color: var(--stamp); font-weight: 500; text-transform: uppercase;
}
.honesty-body { padding: 20px 24px; font-size: 15.5px; line-height: 1.7; color: var(--ink-dim); }
.honesty-body strong { color: var(--ink); }
.seal-row { display: flex; gap: 18px; align-items: center; flex-wrap: wrap; }
.grade-copy { font-size: 14.5px; color: var(--ink-dim); line-height: 1.65; }
.mv { font-size: 14px; color: var(--muted); font-family: var(--font-mono); text-transform: none; letter-spacing: 0; }

.prose { color: var(--ink-dim); }
.prose h2 {
  font-family: var(--font-display); font-weight: 900; font-size: 24px;
  color: var(--ink); margin: 0 0 12px;
}
.prose p, .prose ol, .prose ul { margin: 0 0 14px; }
.prose strong { color: var(--ink); }
.prose li { margin-bottom: 6px; }
.method-table td { font-size: 14px; color: var(--ink-dim); }
.method-table code { font-size: 12.5px; }
.method-table strong { color: var(--ink); }

/* ---------- landing ---------- */
.landing-bar { border-bottom: 2px solid var(--line-strong); }
.landing-bar-in {
  max-width: 1200px; margin: 0 auto; padding: 24px 32px;
  display: flex; justify-content: space-between; align-items: baseline; gap: 16px; flex-wrap: wrap;
}
.landing-domain { font-family: var(--font-mono); font-size: 14px; font-weight: 700; }
.landing-gh { font-size: 14px; font-weight: 500; text-decoration: none; }
.landing-hero { padding: 80px 0 40px; display: flex; flex-direction: column; gap: 20px; }
.landing-display {
  font-family: var(--font-display); font-weight: 900;
  font-size: clamp(42px, 5vw, 64px); line-height: 1.0; letter-spacing: -0.015em;
  text-transform: uppercase; max-width: 20ch; margin: 0;
}
.registry-card { display: flex; align-items: stretch; flex-wrap: wrap; margin: 24px 0 80px; }
.reg-left { padding: 30px 34px; flex: 1 1 380px; display: flex; flex-direction: column; gap: 10px; }
.reg-name-row { display: flex; align-items: baseline; gap: 14px; flex-wrap: wrap; }
.reg-name { font-family: var(--font-display); font-size: 26px; font-weight: 900; }
.reg-path { font-family: var(--font-mono); font-size: 12px; color: var(--muted); }
.reg-copy { font-size: 15.5px; color: var(--ink-dim); line-height: 1.6; max-width: 62ch; margin: 0; }
.reg-links { display: flex; gap: 22px; margin-top: 6px; }
.reg-links a {
  font-weight: 600; font-size: 14.5px; color: var(--ink);
  text-decoration: underline; text-underline-offset: 4px;
}
.reg-stats {
  border-left: 2px dashed var(--line); padding: 30px 34px; min-width: 220px;
  display: flex; flex-direction: column; justify-content: center; gap: 8px;
}
.stat-label { font-family: var(--font-mono); font-size: 11px; color: var(--muted); letter-spacing: 0.1em; }
.stat { font-family: var(--font-mono); font-size: 15px; }
.landing-foot { border-top: 2px solid var(--line-strong); }
.landing-foot-in {
  max-width: 1200px; margin: 0 auto; padding: 18px 32px;
  font-size: 13px; color: var(--ink-dim);
}

/* ---------- responsive ---------- */
@media (max-width: 900px) {
  .hero, .twocol { grid-template-columns: 1fr; gap: 40px; }
  .phase-strip { flex-direction: column; }
  .phase-cell { border-right: none; border-bottom: 1px solid var(--line); }
  .phase-cell:last-child { border-bottom: none; }
  .method-grid { grid-template-columns: 1fr; }
  .rail { border-right: none; border-bottom: 2px solid var(--line-strong); padding: 32px 0 20px; }
  .rail-sticky { position: static; }
  .method-main { padding: 40px 0; }
  .reg-stats { border-left: none; border-top: 2px dashed var(--line); flex: 1 1 100%; }
}
@media (max-width: 600px) {
  main { padding: 0 20px 56px; }
  .topbar-in, .footer-in, .landing-bar-in, .landing-foot-in { padding-left: 20px; padding-right: 20px; }
  .hero { padding: 44px 0 40px; }
}

/* ── Design switcher (four-up trial) ─────────────────────────────────── */
.design-switcher {
  position: fixed; right: 18px; bottom: 18px; z-index: 50;
  display: flex; align-items: center; gap: 2px;
  background: var(--surface); border: 2px solid var(--ink);
  box-shadow: 4px 4px 0 rgba(22, 33, 31, 0.12);
  padding: 6px 8px; font-family: var(--mono); font-size: 12px;
}
.design-switcher .ds-label {
  color: var(--muted); letter-spacing: 0.08em; text-transform: uppercase;
  font-size: 10px; margin-right: 6px;
}
.design-switcher a {
  color: var(--ink); text-decoration: none; padding: 4px 8px;
}
.design-switcher a:hover { color: var(--stamp); }
.design-switcher a[aria-current="true"] {
  background: var(--ink); color: var(--paper);
}
@media (max-width: 640px) { .design-switcher { right: 10px; bottom: 10px; } }