:root {
  color-scheme: dark;
  --ink: #100f0d;
  --ink-2: #191714;
  --panel: #211d18;
  --panel-2: #2b261f;
  --bone: #f5e8c8;
  --muted: #cdbb91;
  --brass: #d7a84d;
  --crimson: #b94b3d;
  --teal: #3c9c8e;
  --moss: #74884f;
  --line: rgba(245, 232, 200, 0.18);
  --shadow: 0 18px 55px rgba(0, 0, 0, 0.45);
  --radius: 8px;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--ink);
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--bone);
  background:
    linear-gradient(90deg, rgba(215, 168, 77, 0.04) 1px, transparent 1px) 0 0 / 28px 28px,
    linear-gradient(rgba(215, 168, 77, 0.035) 1px, transparent 1px) 0 0 / 28px 28px,
    radial-gradient(circle at 50% 0%, rgba(60, 156, 142, 0.16), transparent 34rem),
    var(--ink);
  font-family: "Avenir Next", "Segoe UI", system-ui, sans-serif;
  line-height: 1.65;
}

a {
  color: var(--brass);
  text-decoration: none;
}

a:hover {
  color: #ffd27d;
  text-decoration: underline;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid var(--line);
  background: rgba(16, 15, 13, 0.91);
  backdrop-filter: blur(12px);
}

.nav {
  max-width: 1180px;
  margin: 0 auto;
  padding: 12px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--bone);
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 700;
  letter-spacing: 0;
}

.brand-mark {
  width: 28px;
  height: 28px;
  border: 2px solid var(--brass);
  background:
    linear-gradient(45deg, transparent 42%, var(--crimson) 42% 58%, transparent 58%),
    linear-gradient(-45deg, transparent 42%, var(--teal) 42% 58%, transparent 58%),
    var(--panel);
  box-shadow: inset 0 0 0 3px var(--ink);
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 10px 14px;
  font-size: 0.93rem;
}

.nav-links a {
  color: var(--muted);
}

.nav-links a[aria-current="page"] {
  color: var(--bone);
}

.hero {
  border-bottom: 1px solid var(--line);
  background:
    linear-gradient(90deg, rgba(16, 15, 13, 0.92), rgba(16, 15, 13, 0.72), rgba(16, 15, 13, 0.94)),
    image-set(url("/assets/tenebrous-guide.png") 1x);
  background-size: cover;
  background-position: center;
}

.hero-inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 72px 18px 42px;
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
  gap: 34px;
  align-items: end;
}

.eyebrow {
  color: var(--teal);
  font-weight: 800;
  text-transform: uppercase;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
}

h1,
h2,
h3 {
  font-family: Georgia, "Times New Roman", serif;
  line-height: 1.12;
  letter-spacing: 0;
}

h1 {
  margin: 12px 0 18px;
  max-width: 850px;
  font-size: clamp(2.25rem, 5vw, 5.6rem);
}

h2 {
  margin: 40px 0 14px;
  font-size: clamp(1.65rem, 3vw, 2.45rem);
}

h3 {
  margin: 24px 0 8px;
  font-size: 1.3rem;
}

.lead {
  max-width: 820px;
  font-size: clamp(1.08rem, 2vw, 1.28rem);
  color: #f8eecf;
}

.hero-actions,
.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.button {
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--bone);
  background: var(--panel);
  font-weight: 800;
}

.button.primary {
  border-color: rgba(215, 168, 77, 0.75);
  background: #6f3b2f;
}

.button:hover {
  transform: translateY(-1px);
  text-decoration: none;
}

.quick-panel {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(33, 29, 24, 0.88);
  box-shadow: var(--shadow);
  padding: 18px;
}

.quick-panel dl {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 8px 14px;
  margin: 0;
}

.quick-panel dt {
  color: var(--muted);
}

.quick-panel dd {
  margin: 0;
  font-weight: 800;
}

.layout {
  max-width: 1180px;
  margin: 0 auto;
  padding: 30px 18px 70px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: 34px;
}

main {
  min-width: 0;
}

.toc {
  position: sticky;
  top: 74px;
  align-self: start;
  border-left: 1px solid var(--line);
  padding-left: 18px;
  color: var(--muted);
  font-size: 0.94rem;
}

.toc strong {
  color: var(--bone);
}

.toc a {
  display: block;
  padding: 5px 0;
  color: var(--muted);
}

.answer,
.note,
.source-list,
.tool-shell,
.fact-grid,
.route-grid,
.data-table,
.faq-item {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(33, 29, 24, 0.78);
}

.answer {
  padding: 20px;
  border-color: rgba(60, 156, 142, 0.42);
}

.note {
  padding: 16px;
  color: var(--muted);
}

.fact-grid,
.route-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  overflow: hidden;
  background: var(--line);
}

.fact,
.route-card {
  padding: 16px;
  background: rgba(33, 29, 24, 0.94);
}

.fact span,
.route-card span {
  display: block;
  color: var(--muted);
  font-size: 0.86rem;
}

.fact strong,
.route-card strong {
  display: block;
  margin-top: 4px;
  font-size: 1.05rem;
}

.route-card p {
  margin: 8px 0 0;
  color: var(--muted);
}

.pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 14px 0;
}

.pill {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 4px 9px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--bone);
  background: rgba(116, 136, 79, 0.22);
  font-size: 0.88rem;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  overflow: hidden;
  margin: 18px 0;
}

.data-table th,
.data-table td {
  border-bottom: 1px solid var(--line);
  padding: 10px 12px;
  vertical-align: top;
  text-align: left;
}

.data-table th {
  color: var(--bone);
  background: rgba(215, 168, 77, 0.11);
}

.data-table td {
  color: #eadbb8;
}

.data-table tr:last-child td {
  border-bottom: 0;
}

.section-copy p {
  color: #eadbb8;
}

.section-copy li {
  margin: 8px 0;
}

.source-list {
  padding: 16px 18px;
}

.source-list li {
  margin: 8px 0;
}

.tool-shell {
  padding: 18px;
  margin: 18px 0 26px;
}

.tool-controls {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}

.tool-controls label {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-weight: 700;
}

input,
select,
button,
textarea {
  font: inherit;
}

input[type="search"],
select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--bone);
  background: #171510;
  padding: 10px 12px;
}

.checklist-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.check-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(16, 15, 13, 0.55);
  padding: 10px;
}

.check-item small {
  display: block;
  color: var(--muted);
}

.planner-result {
  border: 1px solid rgba(60, 156, 142, 0.5);
  border-radius: var(--radius);
  background: rgba(60, 156, 142, 0.12);
  padding: 14px;
  margin-top: 14px;
}

.faq-item {
  padding: 14px 16px;
  margin: 10px 0;
}

.faq-item strong {
  color: var(--bone);
}

.footer {
  border-top: 1px solid var(--line);
  color: var(--muted);
  padding: 24px 18px 40px;
}

.footer-inner {
  max-width: 1180px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 18px;
}

@media (max-width: 860px) {
  .hero-inner,
  .layout,
  .footer-inner {
    grid-template-columns: 1fr;
  }

  .hero-inner {
    padding-top: 46px;
  }

  .toc {
    position: static;
    border-left: 0;
    border-top: 1px solid var(--line);
    padding: 16px 0 0;
  }

  .fact-grid,
  .route-grid,
  .tool-controls,
  .checklist-grid {
    grid-template-columns: 1fr;
  }

  .nav {
    align-items: flex-start;
    flex-direction: column;
  }

  .nav-links {
    justify-content: flex-start;
  }

  .data-table {
    display: block;
    overflow-x: auto;
    white-space: nowrap;
  }
}