/* Identity C — Beacon strip */
:root {
  --bg: #101010;
  --surface: #1a1a1a;
  --fg: #f2f0eb;
  --muted: #a8a49a;
  --accent: #e8a54b;
  --accent-ink: #1a1208;
  --line: #2c2c2c;
  --font-display: "Newsreader", "Iowan Old Style", Georgia, serif;
  --font-body: "DM Sans", "Segoe UI", system-ui, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, monospace;
  --max: 68rem;
  --gutter: clamp(1.25rem, 4vw, 2.5rem);
}

* {
  box-sizing: border-box;
}

html {
  color-scheme: dark;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--fg);
  line-height: 1.55;
  position: relative;
}

.skip {
  position: absolute;
  left: -999px;
  top: 0;
  z-index: 100;
  padding: 0.5rem 0.75rem;
  background: var(--accent);
  color: var(--accent-ink);
}

.skip:focus {
  left: var(--gutter);
  top: 0.75rem;
}

/* Dominant beacon — full-bleed atmosphere */
.beacon {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 0;
  overflow: hidden;
}

.beacon-strip {
  position: absolute;
  top: 0;
  bottom: 0;
  left: clamp(1.5rem, 12vw, 7rem);
  width: 3px;
  background: linear-gradient(
    180deg,
    var(--accent) 0%,
    rgba(232, 165, 75, 0.35) 42%,
    transparent 88%
  );
  box-shadow: 0 0 48px 4px rgba(232, 165, 75, 0.18);
  animation: beacon-pulse 6s ease-in-out infinite;
}

.beacon-glow {
  position: absolute;
  top: -10%;
  left: clamp(-2rem, 6vw, 3rem);
  width: min(42vw, 28rem);
  height: 70vh;
  background: radial-gradient(
    ellipse at 20% 0%,
    rgba(232, 165, 75, 0.14) 0%,
    transparent 65%
  );
}

@keyframes beacon-pulse {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.72;
  }
}

@media (prefers-reduced-motion: reduce) {
  .beacon-strip {
    animation: none;
  }
}

.shell {
  position: relative;
  z-index: 1;
}

.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.25rem var(--gutter);
  max-width: var(--max);
  margin-inline: auto;
  border-bottom: 1px solid transparent;
}

.brand {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--fg);
  text-decoration: none;
}

.brand[aria-current="page"] {
  pointer-events: none;
}

nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.85rem 1.15rem;
}

nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 500;
}

nav a:hover,
nav a:focus-visible {
  color: var(--fg);
}

nav a.cta {
  background: var(--accent);
  color: var(--accent-ink);
  padding: 0.45rem 0.9rem;
  font-weight: 600;
}

nav a.cta:hover,
nav a.cta:focus-visible {
  color: var(--accent-ink);
  filter: brightness(1.05);
}

main {
  max-width: var(--max);
  margin-inline: auto;
  padding: 0 var(--gutter) 4rem;
}

.hero {
  min-height: min(72vh, 36rem);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(2.5rem, 8vh, 5rem) 0 clamp(2rem, 5vh, 3.5rem);
  padding-left: clamp(1.5rem, 5vw, 3rem);
  max-width: 38rem;
}

.brand-hero {
  margin: 0 0 0.75rem;
  font-family: var(--font-display);
  font-size: clamp(2.75rem, 7vw, 4.25rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.05;
}

.hero h1 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 3.2vw, 1.85rem);
  font-weight: 500;
  letter-spacing: -0.02em;
  color: var(--fg);
}

.lede {
  margin: 1rem 0 0;
  color: var(--muted);
  font-size: 1.05rem;
  max-width: 32rem;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem 1.25rem;
  align-items: center;
  margin: 1.75rem 0 0;
}

.cta.primary {
  display: inline-block;
  background: var(--accent);
  color: var(--accent-ink);
  padding: 0.7rem 1.15rem;
  font-weight: 600;
  text-decoration: none;
  font-size: 0.95rem;
}

.cta.primary:hover,
.cta.primary:focus-visible {
  filter: brightness(1.06);
}

.ghost {
  color: var(--fg);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  border-bottom: 1px solid var(--line);
  padding-bottom: 0.1rem;
}

.ghost:hover,
.ghost:focus-visible {
  border-color: var(--accent);
  color: var(--accent);
}

.band {
  border-top: 1px solid var(--line);
  padding: clamp(2.25rem, 5vw, 3.5rem) 0;
  padding-left: clamp(1.5rem, 5vw, 3rem);
}

.band h2 {
  margin: 0 0 0.5rem;
  font-family: var(--font-display);
  font-size: clamp(1.55rem, 3vw, 2rem);
  font-weight: 600;
  letter-spacing: -0.02em;
}

.band-lede {
  margin: 0 0 1.5rem;
  color: var(--muted);
  max-width: 36rem;
}

.oss-mark {
  display: inline-block;
  margin: 0 0 0.75rem;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
}

.install-steps {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 1rem;
  max-width: 40rem;
}

.install-steps li {
  display: grid;
  grid-template-columns: 2rem 1fr;
  gap: 0.85rem;
  align-items: start;
}

.step-n {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent);
  line-height: 1.6;
}

.install-steps strong {
  display: block;
  font-weight: 600;
  margin-bottom: 0.2rem;
}

.install-steps span {
  color: var(--muted);
  font-size: 0.95rem;
}

pre {
  margin: 1.25rem 0 0;
  padding: 1rem 1.1rem;
  background: var(--surface);
  border: 1px solid var(--line);
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  line-height: 1.5;
  color: var(--fg);
  max-width: 42rem;
}

code {
  font-family: var(--font-mono);
  font-size: 0.88em;
}

.signals {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.65rem 2rem;
  max-width: 40rem;
}

@media (min-width: 640px) {
  .signals {
    grid-template-columns: 1fr 1fr;
  }
}

.signals li {
  padding-left: 1rem;
  border-left: 2px solid var(--accent);
  color: var(--muted);
  font-size: 0.95rem;
}

.signals li strong {
  display: block;
  color: var(--fg);
  font-weight: 600;
  margin-bottom: 0.15rem;
}

footer {
  position: relative;
  z-index: 1;
  max-width: var(--max);
  margin-inline: auto;
  padding: 1.5rem var(--gutter) 2.5rem;
  padding-left: calc(var(--gutter) + clamp(1.5rem, 5vw, 3rem));
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.88rem;
}

footer a {
  color: var(--fg);
}

/* —— Docs —— */
.docs-layout {
  display: grid;
  gap: 2rem;
  padding-top: 2rem;
  padding-left: clamp(1.5rem, 5vw, 3rem);
}

@media (min-width: 900px) {
  .docs-layout {
    grid-template-columns: 12rem minmax(0, 1fr);
    align-items: start;
  }
}

.docs-toc {
  position: sticky;
  top: 1rem;
}

.docs-toc p {
  margin: 0 0 0.65rem;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
}

.docs-toc ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

.docs-toc a {
  display: block;
  padding: 0.35rem 0;
  color: var(--muted);
  text-decoration: none;
  font-size: 0.9rem;
  border-left: 2px solid var(--line);
  padding-left: 0.75rem;
}

.docs-toc a:hover,
.docs-toc a[aria-current="location"] {
  color: var(--fg);
  border-color: var(--accent);
}

.docs-hero h1 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 600;
}

.docs-body section {
  padding: 1.75rem 0;
  border-top: 1px solid var(--line);
}

.docs-body h2 {
  margin: 0 0 0.65rem;
  font-family: var(--font-display);
  font-size: 1.45rem;
}

.docs-body p,
.docs-body li {
  color: var(--muted);
}

.docs-body .section-body {
  margin: 0 0 1rem;
  max-width: 40rem;
}

.plain-list,
.cmd-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.75rem;
  max-width: 42rem;
}

.plain-list li {
  padding-left: 0.85rem;
  border-left: 2px solid var(--line);
}

.cmd-list li {
  display: grid;
  gap: 0.25rem;
  padding: 0.85rem 1rem;
  background: var(--surface);
  border: 1px solid var(--line);
}

.cmd-list code {
  color: var(--accent);
  font-size: 0.85rem;
}

.cmd-list strong {
  color: var(--fg);
}

.note {
  margin: 1rem 0 0;
  font-size: 0.9rem;
  color: var(--muted);
  max-width: 40rem;
}