:root {
  --ink: #111613;
  --ink-2: #18201b;
  --panel: #202922;
  --panel-2: #263129;
  --paper: #f3eddc;
  --paper-2: #ded6c3;
  --sand: #f0b44c;
  --signal: #6ee7d2;
  --oxide: #e57859;
  --muted: #bdc5bc;
  --line: rgba(243, 237, 220, 0.2);
  --display: "Bahnschrift Condensed", "DIN Condensed", "Franklin Gothic Condensed", sans-serif;
  --body: "Trebuchet MS", "Gill Sans", sans-serif;
  --serif: Georgia, "Times New Roman", serif;
  color-scheme: dark;
}

* { box-sizing: border-box; }

html {
  background: var(--ink);
  scroll-behavior: smooth;
  scroll-padding-top: 92px;
}

body {
  margin: 0;
  overflow-x: clip;
  color: var(--paper);
  background:
    radial-gradient(circle at 82% 0, rgba(240, 180, 76, 0.15), transparent 28rem),
    linear-gradient(90deg, transparent 0 49.9%, rgba(110, 231, 210, 0.035) 49.9% 50.1%, transparent 50.1%),
    var(--ink);
  font-family: var(--body);
  line-height: 1.68;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: 0.32;
  background-image:
    linear-gradient(rgba(243, 237, 220, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(243, 237, 220, 0.035) 1px, transparent 1px);
  background-size: 32px 32px;
  mask-image: linear-gradient(to bottom, #000, transparent 85%);
}

a { color: inherit; }
a, p, li, td, th, dd { overflow-wrap: anywhere; }
img { display: block; max-width: 100%; }
a:focus-visible, button:focus-visible, summary:focus-visible, [tabindex="0"]:focus-visible {
  outline: 3px solid var(--signal);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 100;
  padding: 0.75rem 1rem;
  color: var(--ink);
  background: var(--signal);
  font-weight: 800;
  transform: translateY(-180%);
  transition: transform 160ms ease;
}
.skip-link:focus { transform: translateY(0); }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  min-height: 72px;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  padding: 0 4vw;
  border-bottom: 1px solid var(--line);
  background: rgba(17, 22, 19, 0.94);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  gap: 0.65rem;
  font: 800 1rem/1 var(--display);
  letter-spacing: 0.08em;
  text-decoration: none;
  text-transform: uppercase;
}
.brand-logo {
  width: 52px;
  height: 52px;
  flex: 0 0 auto;
  object-fit: contain;
  filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.5));
}
.brand-name { white-space: nowrap; }

.site-nav { display: flex; align-items: center; gap: clamp(0.5rem, 1.5vw, 1.5rem); }
.site-nav a {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  color: var(--muted);
  font: 750 0.78rem/1 var(--display);
  letter-spacing: 0.1em;
  text-decoration: none;
  text-transform: uppercase;
}
.site-nav a:hover { color: var(--signal); }

.nav-toggle {
  display: none;
  min-width: 64px;
  min-height: 44px;
  padding: 0.6rem 0.8rem;
  color: var(--paper);
  border: 1px solid var(--line);
  background: transparent;
  font: 800 0.78rem/1 var(--display);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

main {
  width: min(1120px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 1.25rem 0 6rem;
}

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin: 0.35rem 0 1.35rem;
  color: var(--muted);
  font: 700 0.72rem/1.5 var(--display);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.breadcrumbs a { text-decoration-color: rgba(110, 231, 210, 0.55); text-underline-offset: 3px; }

.page-hero {
  max-width: 900px;
  padding: 0.75rem 0 2.5rem;
}
.eyebrow, .kicker {
  margin: 0 0 0.75rem;
  color: var(--signal);
  font: 800 0.73rem/1.35 var(--display);
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

h1, h2, h3, p { text-wrap: pretty; }
h1 {
  max-width: 18ch;
  margin: 0;
  font: 820 clamp(3rem, 6vw, 5.25rem)/0.96 var(--display);
  letter-spacing: -0.025em;
  text-transform: uppercase;
}
h2 {
  margin: 3.5rem 0 1.1rem;
  font: 780 clamp(1.65rem, 3vw, 2.6rem)/1.05 var(--display);
  letter-spacing: -0.015em;
  text-transform: uppercase;
}
h3 { margin: 2.25rem 0 0.8rem; font: 760 1.35rem/1.15 var(--display); text-transform: uppercase; }

.quick-answer {
  display: grid;
  grid-template-columns: 145px minmax(0, 1fr);
  gap: 1.4rem;
  margin: 1.5rem 0 1.25rem;
  padding: 1.35rem 1.5rem;
  color: var(--ink);
  background: var(--sand);
  clip-path: polygon(0 0, calc(100% - 18px) 0, 100% 18px, 100% 100%, 0 100%);
}
.quick-answer .kicker { color: #4b3108; margin-top: 0.25rem; }
.quick-answer p:last-child { margin: 0; font: 700 1.08rem/1.55 var(--serif); }

.evidence-panel {
  padding: 1.1rem 1.25rem;
  border: 1px solid rgba(110, 231, 210, 0.42);
  background: linear-gradient(145deg, rgba(110, 231, 210, 0.08), transparent 55%), var(--panel);
  box-shadow: 7px 7px 0 rgba(240, 180, 76, 0.08);
}
.evidence-panel > p:not(.kicker) { margin: 0 0 1rem; color: var(--paper-2); font-size: 0.94rem; }
.evidence-panel dl { display: grid; grid-template-columns: 0.7fr 1.4fr 1.3fr; gap: 1px; margin: 0; background: var(--line); }
.evidence-panel dl div { min-width: 0; padding: 0.8rem; background: var(--ink-2); }
.evidence-panel dt { color: var(--muted); font: 750 0.65rem/1.2 var(--display); letter-spacing: 0.1em; text-transform: uppercase; }
.evidence-panel dd { margin: 0.35rem 0 0; font-size: 0.8rem; line-height: 1.5; }
.evidence-tag { display: inline-block; margin: 0.15rem 0.2rem 0.15rem 0; padding: 0.2rem 0.4rem; border: 1px solid var(--line); }
.evidence-tag--conflicting, .evidence-tag--unknown { color: #ffc1ac; border-color: rgba(229, 120, 89, 0.6); }

.article-body {
  max-width: 860px;
  color: var(--paper-2);
  font: 1.04rem/1.8 var(--serif);
}
.article-body > p { max-width: 72ch; }
.content-section { margin: 3.5rem 0; }
.content-section h2, .callout h2, .faq h2 { margin-top: 0; }

.promo-figure {
  width: min(100%, 1040px);
  margin: 0 0 3.5rem;
}
.promo-frame {
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(240, 180, 76, 0.55);
  background: var(--ink-2);
  box-shadow: 9px 9px 0 rgba(110, 231, 210, 0.08);
}
.promo-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  box-shadow: inset 0 0 0 1px rgba(17, 22, 19, 0.34);
}
.promo-figure img { width: 100%; height: auto; aspect-ratio: 16 / 9; object-fit: cover; }
.promo-figure figcaption {
  display: grid;
  grid-template-columns: minmax(180px, 0.7fr) minmax(0, 2fr);
  gap: 1rem;
  padding: 0.85rem 0 0;
  color: var(--muted);
  font: 0.82rem/1.55 var(--body);
}
.promo-figure figcaption a { text-decoration-color: rgba(110, 231, 210, 0.6); text-underline-offset: 3px; }
.promo-label { color: var(--sand); font: 800 0.7rem/1.45 var(--display); letter-spacing: 0.12em; }

.steps ol {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: field-step;
  border-top: 1px solid var(--line);
}
.steps li {
  position: relative;
  min-height: 74px;
  padding: 1rem 0 1rem 4.25rem;
  border-bottom: 1px solid var(--line);
  counter-increment: field-step;
}
.steps li::before {
  content: counter(field-step, decimal-leading-zero);
  position: absolute;
  top: 1rem;
  left: 0;
  display: grid;
  width: 52px;
  height: 36px;
  place-items: center;
  color: var(--ink);
  background: var(--signal);
  font: 800 0.86rem/1 var(--display);
  clip-path: polygon(0 0, 100% 0, 82% 100%, 0 100%);
}
.steps strong { color: var(--paper); font: 760 1.08rem/1.25 var(--display); letter-spacing: 0.03em; text-transform: uppercase; }
.steps p { margin: 0.35rem 0 0; }

.checklist ul { padding: 0; list-style: none; border-top: 1px solid var(--line); }
.checklist li { position: relative; padding: 0.8rem 0 0.8rem 2rem; border-bottom: 1px solid var(--line); }
.checklist li::before { content: ""; position: absolute; left: 0; top: 1.15rem; width: 11px; height: 11px; border: 2px solid var(--sand); }

.table-scroll {
  max-width: 100%;
  margin: 3.5rem 0;
  overflow-x: auto;
  overscroll-behavior-inline: contain;
  border: 1px solid var(--line);
  background: var(--ink-2);
  scrollbar-color: var(--signal) var(--ink-2);
}
table { width: 100%; min-width: 690px; border-collapse: collapse; font: 0.9rem/1.5 var(--body); }
caption { padding: 1rem; color: var(--paper); background: var(--panel-2); font: 750 0.9rem/1.4 var(--display); letter-spacing: 0.06em; text-align: left; text-transform: uppercase; }
th, td { padding: 0.85rem 0.9rem; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
thead th { color: var(--ink); background: var(--sand); font: 800 0.72rem/1.3 var(--display); letter-spacing: 0.06em; text-transform: uppercase; }
tbody th { min-width: 150px; color: var(--paper); background: rgba(110, 231, 210, 0.05); font-family: var(--body); }

.guide-figure { width: min(100%, 1040px); margin: 3.5rem 0; }
.figure-frame { max-width: 100%; overflow: hidden; border: 1px solid var(--line); background: var(--ink-2); }
.guide-figure img { width: 100%; height: auto; }
.guide-figure figcaption { padding: 0.8rem 0 0; color: var(--muted); font: 0.82rem/1.55 var(--body); }

.callout { margin: 3.5rem 0; padding: 1.25rem 1.4rem; border-left: 5px solid var(--signal); background: var(--panel); }
.callout--warning { border-color: var(--oxide); background: linear-gradient(90deg, rgba(229, 120, 89, 0.11), transparent), var(--panel); }
.callout--source { border-color: var(--sand); }
.callout h2 { font-size: 1.35rem; }
.callout p { margin: 0; }

.faq details { border-top: 1px solid var(--line); }
.faq details:last-child { border-bottom: 1px solid var(--line); }
.faq summary { min-height: 44px; padding: 0.9rem 2rem 0.9rem 0; color: var(--paper); cursor: pointer; font: 750 1rem/1.4 var(--display); text-transform: uppercase; }
.faq details p { margin: 0; padding: 0 0 1.15rem; }

.related, .sources, .hub-deck { margin-top: 5rem; padding-top: 3rem; border-top: 1px solid var(--line); }
.section-heading { margin-bottom: 1.5rem; }
.section-heading h2 { margin-top: 0; }
.card-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0.9rem; }
.route-card {
  position: relative;
  display: flex;
  min-height: 190px;
  flex-direction: column;
  padding: 1.3rem;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--ink-2);
  text-decoration: none;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}
.route-card::after { content: "↗"; position: absolute; right: 1rem; bottom: 0.65rem; color: var(--sand); font-size: 1.4rem; }
.route-card:hover { transform: translateY(-4px); border-color: var(--signal); background: #222e27; }
.route-card span { color: var(--signal); font: 800 0.66rem/1 var(--display); letter-spacing: 0.12em; }
.route-card strong { margin-top: 1.2rem; padding-right: 1rem; font: 780 1.4rem/1.05 var(--display); text-transform: uppercase; }
.route-card small { margin-top: auto; padding: 1.2rem 2.25rem 0 0; color: var(--muted); line-height: 1.45; }

.sources { max-width: 900px; }
.sources > h2 { margin-top: 0; }
.sources ul { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.sources li { display: flex; justify-content: space-between; gap: 1.5rem; padding: 0.9rem 0; border-bottom: 1px solid var(--line); }
.sources a { color: var(--paper); text-decoration-color: var(--signal); text-underline-offset: 4px; }
.sources span { flex: 0 0 auto; color: var(--muted); font: 700 0.68rem/1.4 var(--display); letter-spacing: 0.06em; text-transform: uppercase; }

.home-hero { position: relative; display: grid; min-height: 64vh; grid-template-columns: minmax(0, 1.35fr) minmax(280px, 0.65fr); align-items: center; gap: clamp(2rem, 6vw, 6rem); padding: 4rem 0; }
.home-hero-copy { position: relative; z-index: 1; }
.home-hero h1 { max-width: 12ch; font-size: clamp(3.8rem, 9vw, 8rem); }
.home-hero h1 em { color: var(--sand); font-style: normal; }
.home-hero-copy > p:not(.eyebrow) { max-width: 56ch; color: var(--paper-2); font: 1.16rem/1.75 var(--serif); }
.home-brand-art { position: relative; display: grid; min-width: 0; place-items: center; isolation: isolate; }
.home-brand-art::before { content: ""; position: absolute; z-index: -1; width: 115%; aspect-ratio: 1; border: 1px solid rgba(240, 180, 76, 0.22); background: radial-gradient(circle, rgba(240, 180, 76, 0.17), transparent 68%); transform: rotate(6deg); }
.home-logo { width: min(100%, 430px); height: auto; filter: drop-shadow(0 22px 34px rgba(0, 0, 0, 0.58)); }
.primary-action, .secondary-action { display: inline-flex; min-height: 44px; align-items: center; justify-content: center; margin-top: 1rem; padding: 0.8rem 1rem; color: var(--ink); background: var(--signal); font: 800 0.78rem/1 var(--display); letter-spacing: 0.09em; text-decoration: none; text-transform: uppercase; }
.secondary-action { margin-left: 0.5rem; color: var(--paper); border: 1px solid var(--line); background: var(--panel); }
.index-hero, .policy-page { max-width: 780px; padding: 4.5rem 0 2.5rem; }
.index-hero h1, .policy-page h1 { max-width: 14ch; }
.index-hero > p:not(.eyebrow), .policy-page p { color: var(--paper-2); font: 1.08rem/1.78 var(--serif); }
.policy-page h2 { font-size: 1.8rem; }

.site-footer { display: flex; justify-content: space-between; gap: 2rem; padding: 2rem 4vw; color: var(--muted); border-top: 1px solid var(--line); font-size: 0.78rem; }
.site-footer strong { color: var(--paper); font-family: var(--display); letter-spacing: 0.07em; text-transform: uppercase; }
.site-footer p { margin: 0.35rem 0 0; }
.site-footer nav { display: flex; flex-wrap: wrap; align-items: center; gap: 1rem; }
.site-footer a { display: inline-flex; min-height: 44px; align-items: center; }

@media (max-width: 900px) {
  .card-grid { grid-template-columns: 1fr 1fr; }
  .home-hero { grid-template-columns: minmax(0, 1fr) minmax(210px, 0.42fr); gap: 2rem; }
  .site-nav {
    position: absolute;
    top: 72px;
    right: 0;
    left: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 0.6rem 1rem 1rem;
    border-bottom: 1px solid var(--line);
    background: var(--ink);
    box-shadow: 0 18px 24px rgba(0, 0, 0, 0.3);
  }
  .site-nav[data-open] { display: flex; }
  .site-nav a { padding: 0.4rem 0.5rem; border-bottom: 1px solid var(--line); }
  .nav-toggle { display: block; }
  .evidence-panel dl { grid-template-columns: 1fr 1fr; }
  .evidence-panel dl div:last-child { grid-column: 1 / -1; }
}

@media (max-width: 640px) {
  html { scroll-padding-top: 72px; }
  main { width: calc(100% - 1rem); padding-top: 0.75rem; }
  .site-header { min-height: 64px; gap: 0.5rem; padding: 0 0.5rem; }
  .brand { font-size: 0.75rem; letter-spacing: 0.05em; }
  .brand-logo { width: 42px; height: 42px; }
  .site-nav { top: 64px; }
  .breadcrumbs { margin-bottom: 0.85rem; }
  .page-hero { padding-top: 0.25rem; }
  h1 { font-size: clamp(2.25rem, 11vw, 3.4rem); line-height: 0.98; }
  h2 { margin-top: 2.8rem; font-size: clamp(1.45rem, 8vw, 2rem); }
  .quick-answer { grid-template-columns: 1fr; gap: 0.25rem; margin-top: 1rem; padding: 1rem; clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 0 100%); }
  .quick-answer .kicker { margin: 0 0 0.35rem; }
  .quick-answer p:last-child { font-size: 1rem; }
  .evidence-panel { padding: 0.85rem; box-shadow: none; }
  .evidence-panel dl { grid-template-columns: 1fr; }
  .evidence-panel dl div:last-child { grid-column: auto; }
  .article-body { font-size: 1rem; }
  .promo-figure { margin-bottom: 2.8rem; }
  .promo-figure figcaption { grid-template-columns: 1fr; gap: 0.35rem; }
  .steps li { padding-left: 3.5rem; }
  .steps li::before { width: 44px; }
  .table-scroll, .guide-figure { margin: 2.8rem 0; }
  .card-grid { grid-template-columns: 1fr; }
  .route-card { min-height: 160px; }
  .sources li, .site-footer { flex-direction: column; }
  .sources li { gap: 0.5rem; }
  .sources span { align-self: flex-start; }
  .home-hero { min-height: 55vh; grid-template-columns: 1fr; gap: 1.5rem; padding: 2rem 0 3rem; }
  .home-brand-art { order: -1; width: min(52vw, 210px); justify-self: center; }
  .home-hero h1 { font-size: clamp(3rem, 15vw, 4.6rem); }
  .index-hero, .policy-page { padding-top: 3rem; }
  .secondary-action { margin-left: 0; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; animation: none !important; }
}