:root {
  --surface: #e8eeeb;
  --panel: #f9fbf8;
  --panel-2: #d9e1df;
  --ink: #101a1e;
  --muted: #526063;
  --steel: #a5b0af;
  --rubber: #252d2f;
  --line: #b9c4c2;
  --allow: #1f8a64;
  --condition: #cf8b20;
  --deny: #bd3e35;
  --blue: #315d73;
  --shadow: rgba(16, 26, 30, 0.13);
  --radius: 18px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background:
    linear-gradient(90deg, rgba(16,26,30,0.035) 1px, transparent 1px),
    linear-gradient(180deg, rgba(16,26,30,0.035) 1px, transparent 1px),
    var(--surface);
  background-size: 28px 28px;
  color: var(--ink);
  font-family: "Lucida Grande", "Lucida Sans Unicode", "Segoe UI", Arial, sans-serif;
  line-height: 1.55;
}

a { color: inherit; }

.gate-home,
.article-vestibule {
  width: min(1180px, calc(100vw - 32px));
  margin: 0 auto;
}

.perimeter-hero {
  position: relative;
  margin: 28px 0 24px;
  padding: clamp(24px, 5vw, 58px);
  background: linear-gradient(135deg, var(--panel), #eef3f0 58%, #dfe7e5);
  border: 1px solid var(--line);
  border-radius: 30px;
  box-shadow: 0 24px 60px var(--shadow);
  overflow: hidden;
}

.perimeter-hero::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 16px;
  background: repeating-linear-gradient(180deg, var(--rubber) 0 18px, var(--steel) 18px 26px);
}

.hero-kicker,
.section-label,
.warning-code,
.checkpoint-marker,
.publication-mark,
.rail-title,
.register-title {
  margin: 0;
  color: var(--blue);
  font-family: "Arial Narrow", "Nimbus Sans Narrow", "Helvetica Neue Condensed", Arial, sans-serif;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.gatehouse-topline {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 18px 0 26px;
}

.gatehouse-topline span,
.topic-chips a,
.topic-chips span {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 5px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255,255,255,0.55);
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-decoration: none;
  text-transform: uppercase;
}

.perimeter-hero h1 {
  max-width: 920px;
  margin: 0;
  font-family: "Arial Narrow", "Nimbus Sans Narrow", "Helvetica Neue Condensed", Arial, sans-serif;
  font-size: clamp(4rem, 11vw, 9.8rem);
  line-height: 0.82;
  letter-spacing: -0.075em;
  text-transform: uppercase;
}

.public-description {
  max-width: 760px;
  margin: 26px 0 0;
  font-size: clamp(1.08rem, 2vw, 1.48rem);
  line-height: 1.38;
  color: #243035;
}

.operator-line {
  max-width: 620px;
  margin: 18px 0 0;
  color: var(--muted);
}

.turnstile-strip {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 7px;
  width: min(520px, 100%);
  margin-top: 34px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--rubber);
}

.turnstile-strip span {
  height: 22px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--steel), #eef3f1 44%, var(--steel));
}

.turnstile-strip span:nth-child(2),
.turnstile-strip span:nth-child(5) { background: var(--condition); }
.turnstile-strip span:nth-child(4) { background: var(--allow); }
.turnstile-strip span:nth-child(7) { background: var(--deny); }

.topic-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 22px;
}

.policy-warning {
  display: grid;
  grid-template-columns: 170px 1fr;
  gap: clamp(18px, 4vw, 38px);
  align-items: start;
  margin: 24px 0;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--rubber);
  color: #f4f7f5;
}

.policy-warning h2 {
  margin: 0;
  max-width: 820px;
  font-family: "Arial Narrow", "Nimbus Sans Narrow", "Helvetica Neue Condensed", Arial, sans-serif;
  font-size: clamp(2rem, 4vw, 4rem);
  line-height: 0.95;
  letter-spacing: -0.04em;
  text-transform: uppercase;
}

.policy-warning p {
  max-width: 760px;
  margin: 18px 0 0;
  color: #d6dddb;
  font-size: 1.05rem;
}

.warning-code { color: var(--condition); }

.clearance-lanes {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin: 24px 0;
}

.clearance-lanes article,
.spec-checkpoint,
.featured-brief,
.crawler-pass .pass-link,
.article-lintel,
.article-memo,
.access-rail,
.risk-register {
  border: 1px solid var(--line);
  background: rgba(249,251,248,0.9);
  box-shadow: 0 14px 34px rgba(16,26,30,0.07);
}

.clearance-lanes article {
  min-height: 260px;
  padding: 22px;
  border-radius: var(--radius);
  position: relative;
  overflow: hidden;
}

.clearance-lanes article::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 10px;
  background: var(--steel);
}

.clearance-lanes article:nth-child(1)::after { background: var(--allow); }
.clearance-lanes article:nth-child(2)::after { background: var(--condition); }
.clearance-lanes article:nth-child(3)::after { background: var(--deny); }

.lane-label {
  display: inline-block;
  padding: 4px 8px;
  border-radius: 6px;
  color: white;
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0.12em;
}

.lane-label.allow { background: var(--allow); }
.lane-label.condition { background: var(--condition); }
.lane-label.deny { background: var(--deny); }

.clearance-lanes h2 {
  margin: 22px 0 12px;
  font-family: "Arial Narrow", "Nimbus Sans Narrow", "Helvetica Neue Condensed", Arial, sans-serif;
  font-size: 2.35rem;
  line-height: 0.96;
  letter-spacing: -0.04em;
  text-transform: uppercase;
}

.clearance-lanes p { margin: 0; color: var(--muted); }

.spec-checkpoint {
  display: grid;
  grid-template-columns: 190px 1fr;
  gap: 28px;
  margin: 24px 0;
  padding: 28px;
  border-radius: var(--radius);
  background: linear-gradient(90deg, #f9fbf8, #edf3f1);
}

.spec-checkpoint h2,
.featured-brief h2,
.archive-heading-row h2 {
  margin: 0;
  font-family: "Arial Narrow", "Nimbus Sans Narrow", "Helvetica Neue Condensed", Arial, sans-serif;
  font-size: clamp(2.1rem, 4.5vw, 5rem);
  line-height: 0.92;
  letter-spacing: -0.055em;
  text-transform: uppercase;
}

.spec-checkpoint p,
.featured-brief p {
  max-width: 760px;
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 1.05rem;
}

.featured-brief {
  margin: 24px 0;
  padding: clamp(24px, 5vw, 54px);
  border-radius: 26px;
  background: #f7faf8;
  position: relative;
}

.featured-brief::after {
  content: "";
  position: absolute;
  top: 20px;
  right: 20px;
  width: 84px;
  height: 84px;
  border-radius: 50%;
  border: 12px solid var(--allow);
  border-left-color: var(--deny);
  border-bottom-color: var(--condition);
  opacity: 0.86;
}

.archive-gate { margin: 30px 0 70px; }

.archive-heading-row {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 16px;
}

.pass-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.crawler-pass { min-width: 0; }

.crawler-pass .pass-link {
  display: flex;
  min-height: 310px;
  flex-direction: column;
  position: relative;
  padding: 22px;
  border-radius: 22px;
  color: inherit;
  text-decoration: none;
  overflow: hidden;
  transition: transform 160ms ease, box-shadow 160ms ease, border-color 160ms ease;
}

.crawler-pass .pass-link:hover {
  transform: translateY(-3px);
  border-color: #7f908d;
  box-shadow: 0 22px 44px rgba(16,26,30,0.14);
}

.lanyard-slot {
  width: 76px;
  height: 14px;
  margin-bottom: 22px;
  border-radius: 999px;
  background: var(--surface);
  border: 1px inset var(--line);
}

.pass-meta {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  color: var(--muted);
  font-family: Consolas, "Courier New", monospace;
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.crawler-pass h2 {
  margin: 22px 0 12px;
  font-family: "Arial Narrow", "Nimbus Sans Narrow", "Helvetica Neue Condensed", Arial, sans-serif;
  font-size: 2.1rem;
  line-height: 0.98;
  letter-spacing: -0.04em;
  text-transform: uppercase;
}

.crawler-pass p {
  margin: 0 0 22px;
  color: var(--muted);
}

.clearance-band {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
  margin-top: auto;
}

.clearance-band span {
  padding: 7px 6px;
  border-radius: 7px;
  background: var(--rubber);
  color: white;
  font-size: 0.68rem;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-align: center;
}

.clearance-band span:nth-child(1) { background: var(--allow); }
.clearance-band span:nth-child(2) { background: var(--condition); }
.clearance-band span:nth-child(3) { background: var(--blue); }

.article-lintel {
  margin: 28px 0 14px;
  padding: clamp(22px, 5vw, 50px);
  border-radius: 28px;
  background: linear-gradient(135deg, #f9fbf8, #e4ece9);
  position: relative;
  overflow: hidden;
}

.article-lintel::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 12px;
  background: repeating-linear-gradient(90deg, var(--rubber) 0 34px, var(--steel) 34px 46px, var(--condition) 46px 58px);
}

.backline { margin-bottom: 24px; color: var(--muted); font-weight: 800; }
.backline a { text-decoration-thickness: 2px; text-underline-offset: 4px; }

.article-lintel h1 {
  max-width: 900px;
  margin: 10px 0 18px;
  font-family: "Arial Narrow", "Nimbus Sans Narrow", "Helvetica Neue Condensed", Arial, sans-serif;
  font-size: clamp(3rem, 7vw, 7.2rem);
  line-height: 0.88;
  letter-spacing: -0.065em;
  text-transform: uppercase;
}

.article-meta {
  color: var(--muted);
  font-family: Consolas, "Courier New", monospace;
  font-size: 0.82rem;
}

.vestibule-grid {
  display: grid;
  grid-template-columns: 190px minmax(0, 1fr) 230px;
  gap: 14px;
  align-items: start;
  margin-bottom: 72px;
}

.access-rail,
.risk-register {
  position: sticky;
  top: 18px;
  padding: 18px;
  border-radius: 18px;
}

.access-rail ol {
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: gate;
}

.access-rail li {
  counter-increment: gate;
  margin: 0 0 12px;
  padding-left: 34px;
  position: relative;
  color: var(--muted);
  font-size: 0.9rem;
}

.access-rail li::before {
  content: counter(gate);
  position: absolute;
  left: 0;
  top: 0;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--rubber);
  color: white;
  font-family: Consolas, "Courier New", monospace;
  font-size: 0.72rem;
  text-align: center;
  line-height: 22px;
}

.article-memo {
  padding: clamp(24px, 5vw, 58px);
  border-radius: 22px;
  background: var(--panel);
}

.article-memo > *:first-child { margin-top: 0; }
.article-memo > *:last-child { margin-bottom: 0; }

.article-memo p,
.article-memo li {
  font-size: 1.05rem;
  color: #263236;
}

.article-memo h2,
.article-memo h3 {
  margin-top: 2.1em;
  font-family: "Arial Narrow", "Nimbus Sans Narrow", "Helvetica Neue Condensed", Arial, sans-serif;
  line-height: 1;
  letter-spacing: -0.035em;
  text-transform: uppercase;
}

.article-memo h2 { font-size: 2.6rem; }
.article-memo h3 { font-size: 1.8rem; }

.article-memo blockquote {
  margin: 2rem 0;
  padding: 18px 20px;
  border-left: 8px solid var(--condition);
  background: #edf3f1;
  color: var(--ink);
  font-weight: 700;
}

.article-memo code {
  padding: 0.12em 0.35em;
  border-radius: 5px;
  background: #e1e8e6;
  font-family: Consolas, "Courier New", monospace;
  font-size: 0.9em;
}

.risk-register dl,
.risk-register div {
  margin: 0;
}

.risk-register dl { margin-top: 16px; }

.risk-register div {
  padding: 12px 0;
  border-top: 1px solid var(--line);
}

.risk-register dt {
  color: var(--ink);
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.risk-register dd {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}

@media (max-width: 980px) {
  .clearance-lanes,
  .pass-grid,
  .vestibule-grid {
    grid-template-columns: 1fr;
  }

  .policy-warning,
  .spec-checkpoint {
    grid-template-columns: 1fr;
  }

  .access-rail,
  .risk-register {
    position: static;
  }

  .featured-brief::after { display: none; }
}

@media (max-width: 620px) {
  .gate-home,
  .article-vestibule { width: min(100vw - 18px, 1180px); }
  .perimeter-hero { border-radius: 20px; }
  .perimeter-hero h1 { font-size: clamp(3.3rem, 18vw, 5.4rem); }
  .archive-heading-row { display: block; }
  .policy-warning { padding: 22px; }
}