:root {
  --ink: #151815;
  --paper: #f6f4ee;
  --white: #ffffff;
  --felt: #0d563f;
  --felt-dark: #07392b;
  --gold: #d5ad45;
  --coral: #c95845;
  --muted: #636b65;
  --line: #d8d9d2;
  --max: 1160px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.65;
}

a {
  color: var(--felt);
}

img {
  display: block;
  max-width: 100%;
}

.site-header {
  position: sticky;
  z-index: 20;
  top: 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.18);
  background: var(--ink);
  color: var(--white);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(calc(100% - 32px), var(--max));
  min-height: 64px;
  margin: 0 auto;
  gap: 24px;
}

.brand {
  color: var(--white);
  font-size: 1rem;
  font-weight: 760;
  text-decoration: none;
}

.nav-links {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 18px;
}

.nav-links a {
  color: #e9eee9;
  font-size: 0.9rem;
  text-decoration: none;
}

.nav-links a:hover,
.nav-links a:focus-visible {
  color: var(--gold);
}

.hero {
  position: relative;
  display: grid;
  min-height: clamp(520px, 72vh, 680px);
  align-items: end;
  overflow: hidden;
  color: var(--white);
  background: var(--felt-dark);
}

.hero::before {
  position: absolute;
  inset: 0;
  content: "";
  background: rgba(4, 18, 13, 0.72);
}

.hero-media {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-inner {
  position: relative;
  width: min(calc(100% - 32px), var(--max));
  margin: 0 auto;
  padding: 72px 0 64px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--gold);
  font-size: 0.86rem;
  font-weight: 780;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin-top: 0;
  line-height: 1.18;
  letter-spacing: 0;
}

h1 {
  max-width: 900px;
  margin-bottom: 20px;
  font-size: clamp(2.35rem, 6vw, 4.8rem);
}

h2 {
  margin-bottom: 16px;
  font-size: clamp(1.7rem, 3vw, 2.5rem);
}

h3 {
  font-size: 1.15rem;
}

.hero p {
  max-width: 760px;
  margin: 0 0 28px;
  color: #e8eee9;
  font-size: 1.08rem;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.button {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  border-radius: 6px;
  padding: 10px 16px;
  background: var(--gold);
  color: var(--ink);
  font-weight: 760;
  text-decoration: none;
}

.button.secondary {
  border-color: rgba(255, 255, 255, 0.56);
  background: transparent;
  color: var(--white);
}

.band {
  padding: 72px 0;
}

.band.white {
  background: var(--white);
}

.band.dark {
  background: var(--ink);
  color: var(--white);
}

.band.felt {
  background: var(--felt);
  color: var(--white);
}

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

.lead {
  max-width: 780px;
  color: var(--muted);
  font-size: 1.08rem;
}

.dark .lead,
.felt .lead {
  color: #d7dfd9;
}

.metrics,
.feature-grid,
.architecture-grid,
.gallery {
  display: grid;
  gap: 18px;
  margin-top: 32px;
}

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

.metric {
  border-top: 3px solid var(--gold);
  padding-top: 16px;
}

.metric strong {
  display: block;
  font-size: 1.55rem;
}

.metric span {
  color: var(--muted);
  font-size: 0.92rem;
}

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

.feature {
  min-height: 180px;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 24px;
  background: var(--white);
}

.feature strong {
  display: block;
  margin-bottom: 10px;
  color: var(--coral);
}

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

.architecture-step {
  border-left: 3px solid var(--gold);
  padding: 8px 0 8px 18px;
}

.architecture-step p {
  margin-bottom: 0;
  color: #d7dfd9;
}

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

.shot {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--white);
}

.shot img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.shot figcaption {
  padding: 14px 16px;
  font-weight: 700;
}

.page-hero {
  padding: 84px 0 60px;
  background: var(--felt-dark);
  color: var(--white);
}

.page-hero h1 {
  max-width: 900px;
  margin-bottom: 16px;
  font-size: clamp(2.1rem, 5vw, 4rem);
}

.page-hero p {
  max-width: 780px;
  color: #dce7df;
}

.content-grid {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: 48px;
}

.toc {
  align-self: start;
  border-left: 2px solid var(--gold);
  padding-left: 16px;
}

.toc a {
  display: block;
  margin: 8px 0;
  text-decoration: none;
}

.prose section + section {
  margin-top: 48px;
}

.prose table {
  width: 100%;
  border-collapse: collapse;
  background: var(--white);
}

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

.notice {
  border-left: 4px solid var(--coral);
  padding: 16px 20px;
  background: #fff4f0;
}

code {
  overflow-wrap: anywhere;
}

.site-footer {
  padding: 36px 0;
  border-top: 1px solid #343a35;
  background: var(--ink);
  color: #cbd3cc;
}

.site-footer a {
  color: var(--gold);
}

@media (max-width: 860px) {
  .metrics,
  .architecture-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .feature-grid,
  .content-grid {
    grid-template-columns: 1fr;
  }

  .toc {
    display: none;
  }
}

@media (max-width: 620px) {
  .nav {
    align-items: flex-start;
    flex-direction: column;
    padding: 14px 0;
  }

  .nav-links {
    gap: 12px;
  }

  .hero-inner {
    padding-bottom: 48px;
  }

  .metrics,
  .gallery,
  .architecture-grid {
    grid-template-columns: 1fr;
  }

  .band {
    padding: 52px 0;
  }
}