:root {
  color-scheme: dark;
  --ink: #f4f7f2;
  --muted: #aab5af;
  --soft: #d8e1db;
  --bg: #0b1110;
  --surface: #111b18;
  --surface-strong: #172720;
  --line: #294038;
  --accent: #b9f36b;
  --accent-ink: #102008;
  --max: 1120px;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.6;
}

a { color: var(--accent); }
a:hover { color: #d5ffa0; }

:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 4px;
}

.site-header {
  border-bottom: 1px solid var(--line);
  background: rgba(11, 17, 16, .94);
}

.nav, .page, .section-inner, .site-footer {
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
}

.nav {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.wordmark { color: var(--ink); text-decoration: none; font-weight: 800; letter-spacing: 0; display: inline-flex; align-items: center; }
.wordmark-mark { margin-right: 9px; border-radius: 6px; }
.nav-links { display: flex; flex-wrap: wrap; gap: 20px; font-size: .93rem; }
.nav-links a { color: var(--soft); text-decoration: none; }
.nav-links a:hover { color: var(--accent); }

.hero {
  position: relative;
  isolation: isolate;
  min-height: clamp(560px, calc(100svh - 120px), 760px);
  display: flex;
  align-items: center;
  background: var(--bg) url("assets/relay-demo.png") right 8% center / auto 94% no-repeat;
  border-bottom: 1px solid var(--line);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: rgba(4, 8, 7, .48);
}

.hero-content {
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
  padding: 70px 0;
}

.eyebrow {
  color: var(--accent);
  font-size: .8rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
  margin: 0 0 20px;
}

h1, h2, h3 { line-height: 1.08; letter-spacing: 0; }
h1 { font-size: clamp(3.2rem, 7vw, 6rem); max-width: 760px; margin: 0; }
h2 { font-size: clamp(2rem, 4vw, 3rem); margin: 0 0 16px; }
h3 { font-size: 1.15rem; margin: 0 0 10px; }
p { margin: 0 0 18px; }
.hero-tagline { color: var(--ink); font-size: clamp(1.55rem, 3vw, 2.35rem); font-weight: 750; margin: 12px 0 0; }
.lede { color: var(--soft); max-width: 630px; font-size: 1.2rem; margin: 22px 0 0; }

.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 18px;
  border: 1px solid var(--accent);
  border-radius: 7px;
  background: var(--accent);
  color: var(--accent-ink);
  font-weight: 800;
  text-decoration: none;
}
.button:hover { background: #d5ffa0; color: var(--accent-ink); }
.button.secondary { background: transparent; color: var(--ink); border-color: var(--line); }
.button.secondary:hover { border-color: var(--accent); color: var(--accent); }

.band { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--surface); }
.section-inner { padding: 84px 0; }
.section-kicker { color: var(--accent); font-size: .9rem; font-weight: 800; margin-bottom: 12px; }
.section-intro { color: var(--muted); max-width: 640px; font-size: 1.1rem; }
.three-up { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; margin-top: 38px; }
.feature, .price-card { border: 1px solid var(--line); border-radius: 8px; background: var(--bg); padding: 26px; }
.feature p, .price-card p, .legal p { color: var(--muted); }
.step { color: var(--accent); font: 800 .85rem ui-monospace, SFMono-Regular, Menlo, monospace; margin-bottom: 28px; }

.pricing { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; margin-top: 36px; max-width: 820px; }
.price-card.pro { border-color: var(--accent); }
.price-label { color: var(--accent); font-size: .8rem; font-weight: 800; letter-spacing: 0; text-transform: uppercase; }
.price-card h3 { font-size: 1.55rem; margin-top: 9px; }
.price-card ul { color: var(--soft); padding-left: 20px; margin: 20px 0 0; }
.price-card li + li { margin-top: 8px; }

.install { display: grid; grid-template-columns: minmax(0, 1fr) minmax(280px, .8fr); gap: 44px; align-items: end; }
.install > * { min-width: 0; }
.code-block { max-width: 100%; overflow-x: auto; border: 1px solid var(--line); border-radius: 7px; background: #070b0a; padding: 18px; color: var(--soft); font: .9rem ui-monospace, SFMono-Regular, Menlo, monospace; }
.badge-placeholder { border: 1px dashed var(--line); border-radius: 7px; color: var(--muted); padding: 18px; text-align: center; }
.badge-placeholder strong { display: block; color: var(--soft); margin-bottom: 4px; }

.page { padding: 76px 0 100px; }
.legal { max-width: 790px; }
.legal h1 { font-size: clamp(2.8rem, 6vw, 4.6rem); margin-bottom: 14px; }
.legal h2 { font-size: 1.45rem; margin: 42px 0 12px; }
.legal .intro { color: var(--soft); font-size: 1.15rem; }
.muted { color: var(--muted); }
.notice { border-left: 3px solid var(--accent); background: var(--surface); padding: 16px 18px; color: var(--soft); }

.site-footer { border-top: 1px solid var(--line); padding: 26px 0 34px; display: flex; justify-content: space-between; gap: 20px; color: var(--muted); font-size: .9rem; }
.footer-links { display: flex; flex-wrap: wrap; gap: 16px; }

@media (max-width: 800px) {
  .install { grid-template-columns: 1fr; gap: 42px; }
  .three-up, .pricing { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  .nav, .page, .section-inner, .site-footer, .hero-content { width: min(calc(100% - 28px), var(--max)); }
  .nav { min-height: 64px; align-items: flex-start; padding: 18px 0; flex-direction: column; gap: 12px; }
  .nav-links { gap: 12px 16px; }
  h1 { font-size: clamp(2.8rem, 14vw, 4rem); }
  .hero { min-height: clamp(520px, calc(100svh - 110px), 590px); background-position: right -64px center; background-size: auto 72%; }
  .hero::before { background: rgba(4, 8, 7, .78); }
  .hero-content { padding: 28px 0; }
  .lede { font-size: .98rem; max-width: 82%; }
  .hero-actions { max-width: 82%; flex-direction: column; }
  .hero-actions .button { width: 100%; }
  .code-block { white-space: pre-wrap; overflow-wrap: anywhere; }
  .section-inner { padding: 64px 0; }
  .site-footer { flex-direction: column; }
}

@media (max-width: 560px) and (max-height: 650px) {
  .hero { min-height: 440px; background-size: auto 88%; }
  .hero-content { padding: 22px 0; }
  .hero .eyebrow, .hero .lede { display: none; }
  .hero-tagline { font-size: 1.35rem; max-width: 82%; }
  .hero-actions { margin-top: 24px; }
  #how-it-works .section-inner { padding-top: 12px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}