:root {
  --bg: #f6f1e8;
  --bg-2: #efe8dc;
  --bg-3: #fbf7f0;
  --ink: #191611;
  --ink-soft: #5d564d;
  --ink-faint: #7a7268;
  --line: rgba(25, 22, 17, 0.14);
  --line-strong: rgba(25, 22, 17, 0.24);
  --card: rgba(255, 252, 247, 0.84);
  --card-strong: #fffdf8;
  --accent: #9b5c2f;
  --accent-2: #154146;
  --warn: #7f3f1f;
  --good: #1f5a3d;
  --shadow: 0 20px 60px rgba(35, 26, 18, 0.08);
  --shadow-soft: 0 12px 34px rgba(35, 26, 18, 0.06);
  --max: 1180px;
  --radius: 22px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

body {
  background:
    radial-gradient(circle at top left, rgba(21, 65, 70, 0.08), transparent 30%),
    radial-gradient(circle at top right, rgba(155, 92, 47, 0.08), transparent 28%),
    linear-gradient(180deg, #faf6ef 0%, var(--bg) 100%);
  color: var(--ink);
  font-family: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Georgia, serif;
  line-height: 1.5;
}

a {
  color: inherit;
  text-decoration: none;
}

code {
  font-family: "SF Mono", "Monaco", "Cascadia Code", "Roboto Mono", monospace;
  font-size: 0.88em;
  padding: 2px 6px;
  border-radius: 6px;
  background: rgba(25, 22, 17, 0.05);
  border: 1px solid rgba(25, 22, 17, 0.08);
}

.shell {
  width: min(calc(100% - 32px), var(--max));
  margin: 0 auto;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(14px);
  background: rgba(246, 241, 232, 0.78);
  border-bottom: 1px solid rgba(25, 22, 17, 0.08);
}

.topbar-inner {
  width: min(calc(100% - 32px), var(--max));
  margin: 0 auto;
  min-height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 12px 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.brand-mark {
  width: 12px;
  height: 12px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 0 0 5px rgba(155, 92, 47, 0.1);
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: flex-end;
}

.nav a,
.nav span {
  font-family: "SF Mono", "Monaco", "Cascadia Code", "Roboto Mono", monospace;
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
  padding: 10px 12px;
  border: 1px solid transparent;
  border-radius: 999px;
  transition: 180ms ease;
}

.nav a:hover,
.nav a.active {
  color: var(--ink);
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.62);
}

.eyebrow,
.panel-label,
.micro-label {
  font-family: "SF Mono", "Monaco", "Cascadia Code", "Roboto Mono", monospace;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-soft);
  font-size: 0.72rem;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.52);
  margin-bottom: 18px;
}

.hero {
  padding: 68px 0 32px;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(300px, 0.9fr);
  gap: 22px;
  align-items: stretch;
}

h1 {
  font-size: clamp(2.3rem, 6vw, 5.4rem);
  line-height: 0.95;
  letter-spacing: -0.05em;
  margin-bottom: 18px;
  max-width: 11ch;
}

.hero-copy {
  font-size: clamp(1.04rem, 2vw, 1.24rem);
  color: var(--ink-soft);
  max-width: 58ch;
  margin-bottom: 28px;
}

.hero-actions,
.button-row,
.chip-row,
.meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.button {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  border-radius: 999px;
  padding: 14px 18px;
  font-size: 0.92rem;
  transition: 180ms ease;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.72);
  box-shadow: var(--shadow-soft);
}

.button.primary {
  background: linear-gradient(135deg, #201912, #544234);
  color: #fff9ef;
  border-color: transparent;
}

.button:hover,
.card-link:hover,
.focus-card:hover,
.proof-card:hover,
.timeline-card:hover,
.ops-card:hover,
.rail-card:hover,
.source-card:hover {
  transform: translateY(-2px);
}

.hero-panel,
.card,
.focus-card,
.proof-card,
.timeline-card,
.ops-card,
.rail-card,
.source-card,
.footer-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.8), rgba(250, 246, 239, 0.94));
  box-shadow: var(--shadow);
}

.hero-panel,
.card,
.focus-card,
.proof-card,
.timeline-card,
.ops-card,
.rail-card,
.source-card,
.footer-card {
  padding: 22px;
}

.hero-panel {
  display: grid;
  gap: 16px;
  align-content: start;
}

.hero-panel h2,
.section-head h2 {
  line-height: 1.05;
}

.hero-panel p,
.hero-panel li,
.card p,
.focus-card p,
.proof-card p,
.timeline-card p,
.ops-card p,
.rail-card p,
.source-card p,
.footer-card p {
  color: var(--ink-soft);
  font-size: 0.96rem;
}

.hero-panel ul,
.list,
.tight-list {
  list-style: none;
  display: grid;
  gap: 10px;
}

.hero-panel li,
.list li,
.tight-list li {
  border-top: 1px solid rgba(25, 22, 17, 0.08);
  padding-top: 10px;
  color: var(--ink-soft);
  font-size: 0.93rem;
}

.list strong,
.tight-list strong {
  display: block;
  color: var(--ink);
  font-weight: 600;
  margin-bottom: 4px;
}

main section {
  padding: 30px 0 8px;
}

.section-head {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 18px;
  align-items: end;
  margin-bottom: 18px;
}

.section-head h2 {
  font-size: clamp(1.5rem, 3vw, 2.35rem);
  letter-spacing: -0.04em;
  margin-top: 6px;
}

.section-copy {
  max-width: 58ch;
  color: var(--ink-soft);
  font-size: 1rem;
}

.grid-2,
.grid-3,
.grid-4,
.grid-rail {
  display: grid;
  gap: 16px;
}

.grid-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid-4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.grid-rail {
  grid-template-columns: minmax(0, 1.45fr) minmax(300px, 0.8fr);
  align-items: start;
}

.chip {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 8px 10px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.72);
  font-family: "SF Mono", "Monaco", "Cascadia Code", "Roboto Mono", monospace;
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.chip.good {
  border-color: rgba(31, 90, 61, 0.2);
  color: var(--good);
  background: rgba(31, 90, 61, 0.08);
}

.chip.warn {
  border-color: rgba(127, 63, 31, 0.2);
  color: var(--warn);
  background: rgba(127, 63, 31, 0.08);
}

.chip.info {
  border-color: rgba(21, 65, 70, 0.18);
  color: var(--accent-2);
  background: rgba(21, 65, 70, 0.08);
}

.card-link,
.source-card,
.focus-card,
.proof-card,
.timeline-card,
.ops-card,
.rail-card {
  transition: 180ms ease;
}

.card-link {
  display: block;
}

.card-link h3,
.focus-card h3,
.proof-card h3,
.timeline-card h3,
.ops-card h3,
.rail-card h3,
.source-card h3,
.footer-card h3,
.hero-panel h2 {
  font-size: 1.06rem;
  line-height: 1.25;
  margin: 10px 0 10px;
}

.big-stat {
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 0.95;
  letter-spacing: -0.06em;
  margin: 10px 0;
}

.proof-card.featured {
  background:
    radial-gradient(circle at top right, rgba(155, 92, 47, 0.12), transparent 30%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.84), rgba(249, 241, 232, 0.96));
}

.arrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 18px;
  color: var(--accent);
  font-family: "SF Mono", "Monaco", "Cascadia Code", "Roboto Mono", monospace;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.timeline {
  display: grid;
  gap: 14px;
}

.timeline-card {
  position: relative;
  padding-left: 26px;
}

.timeline-card::before {
  content: "";
  position: absolute;
  left: 12px;
  top: 28px;
  width: 1px;
  height: calc(100% - 28px);
  background: rgba(25, 22, 17, 0.12);
}

.timeline-card:last-child::before {
  display: none;
}

.timeline-card::after {
  content: "";
  position: absolute;
  left: 7px;
  top: 22px;
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: var(--accent);
  box-shadow: 0 0 0 5px rgba(155, 92, 47, 0.08);
}

.rail-stack {
  display: grid;
  gap: 16px;
}

.footer {
  padding: 36px 0 64px;
}

.footer-note {
  margin-top: 14px;
  font-size: 0.88rem;
  color: var(--ink-faint);
}

.divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(25, 22, 17, 0.14), transparent);
  margin: 18px 0;
}

@media (max-width: 1100px) {
  .hero-grid,
  .grid-4,
  .grid-3,
  .grid-2,
  .grid-rail {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 760px) {
  .topbar-inner {
    align-items: start;
  }

  .nav {
    justify-content: start;
  }

  .hero {
    padding-top: 44px;
  }

  .hero-grid,
  .grid-4,
  .grid-3,
  .grid-2,
  .grid-rail {
    grid-template-columns: 1fr;
  }

  h1 {
    max-width: 100%;
  }
}