/* Belay landing page — no webfonts, no external requests, no JS. */

:root {
  --slate: #0b0f14;
  --slate-2: #10161e;
  --slate-3: #151d27;
  --line: #232d3a;
  --text: #e6edf3;
  --muted: #9dabb8;
  --green: #3fb950;
  --green-deep: #1f6f2e;
  --rope: #e0a76a;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
  --sans: "Helvetica Neue", Helvetica, Arial, system-ui, -apple-system, sans-serif;
  --sans-cond: "Arial Narrow", "Helvetica Neue Condensed", "Helvetica Neue", Helvetica, Arial, system-ui, sans-serif;
  --max: 1060px;
}

*,
*::before,
*::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--slate);
  color: var(--text);
  font-family: var(--sans);
  font-size: 1.0625rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

p { margin: 0 0 1rem; }
p:last-child { margin-bottom: 0; }

a {
  color: var(--rope);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

a:hover { color: #f0c391; }

:focus-visible {
  outline: 3px solid var(--rope);
  outline-offset: 3px;
  border-radius: 2px;
}

.skip {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 100;
  padding: 0.75rem 1.25rem;
  background: var(--green);
  color: #06120a;
  font-weight: 700;
  text-decoration: none;
}

.skip:focus {
  left: 1rem;
  top: 1rem;
}

.wrap {
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ---------- masthead ---------- */

.masthead {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(11, 15, 20, 0.94);
  border-bottom: 1px solid var(--line);
}

.masthead-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem 2rem;
  flex-wrap: wrap;
  min-height: 68px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--text);
  text-decoration: none;
}

.brand-mark {
  border-radius: 4px;
  outline: 1px solid var(--line);
}

.brand-name {
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 1.15rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.5rem 0;
  border-bottom: 2px solid transparent;
}

.nav a:hover {
  color: var(--text);
  border-bottom-color: var(--rope);
}

/* ---------- shared type ---------- */

.eyebrow {
  margin: 0 0 0.9rem;
  color: var(--green);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.h2,
.wordmark,
.tagline,
.stat-num,
.v-name {
  font-family: var(--sans-cond);
  font-stretch: condensed;
  letter-spacing: -0.02em;
}

.h2 {
  margin: 0 0 1rem;
  font-size: clamp(1.9rem, 4.6vw, 3rem);
  line-height: 1.08;
  font-weight: 800;
  max-width: 22ch;
}

.section-lede {
  color: var(--muted);
  font-size: 1.12rem;
  max-width: 62ch;
  margin-bottom: 2.5rem;
}

code {
  font-family: var(--mono);
  font-size: 0.9em;
  color: #ffe2bf;
  background: var(--slate-3);
  border: 1px solid var(--line);
  border-radius: 3px;
  padding: 0.05em 0.35em;
}

/* ---------- rope motif ---------- */

.rope {
  height: 12px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background-image:
    repeating-linear-gradient(118deg, rgba(224, 167, 106, 0.55) 0 2px, transparent 2px 9px),
    linear-gradient(90deg, transparent, rgba(224, 167, 106, 0.16) 35%, rgba(224, 167, 106, 0.16) 65%, transparent);
  opacity: 0.7;
}

/* ---------- hero ---------- */

.hero {
  padding: clamp(3rem, 8vw, 6rem) 0 clamp(3rem, 7vw, 5rem);
  background:
    radial-gradient(900px 420px at 18% -10%, rgba(63, 185, 80, 0.14), transparent 70%),
    radial-gradient(700px 380px at 92% 0%, rgba(224, 167, 106, 0.09), transparent 70%),
    var(--slate);
}

.hero-inner { max-width: 900px; }

.hero-brand {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 3vw, 1.75rem);
  margin-bottom: 1.5rem;
}

.hero-mark {
  border-radius: 10px;
  outline: 1px solid var(--line);
  flex: 0 0 auto;
}

.wordmark {
  margin: 0;
  font-size: clamp(3.4rem, 11vw, 6.5rem);
  line-height: 0.9;
  font-weight: 800;
  letter-spacing: -0.035em;
  text-transform: uppercase;
}

.tagline {
  margin: 0 0 1.25rem;
  font-size: clamp(1.3rem, 2.9vw, 1.85rem);
  line-height: 1.28;
  font-weight: 700;
  max-width: 34ch;
  color: var(--text);
}

.tagline::after {
  content: "";
  display: block;
  width: 4.5rem;
  height: 3px;
  margin-top: 1.25rem;
  background: var(--green);
}

.lede {
  color: var(--muted);
  font-size: 1.08rem;
  max-width: 64ch;
  margin-bottom: 2.25rem;
}

.install {
  border: 1px solid var(--line);
  border-left: 3px solid var(--green);
  border-radius: 6px;
  background: var(--slate-2);
  padding: 1.25rem 1.35rem;
  margin-bottom: 1.75rem;
  max-width: 640px;
}

.install-label {
  margin: 0 0 0.5rem;
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}

.install-alt {
  margin: 1rem 0 0.5rem;
  font-size: 0.86rem;
  color: var(--muted);
}

.cmd {
  margin: 0;
  overflow-x: auto;
  padding: 0.7rem 0.85rem;
  background: var(--slate);
  border: 1px solid var(--line);
  border-radius: 4px;
  font-family: var(--mono);
  font-size: 0.9rem;
  line-height: 1.4;
}

.cmd code {
  background: none;
  border: 0;
  padding: 0;
  color: var(--green);
  font-size: 1em;
}

.hero-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.btn {
  display: inline-block;
  padding: 0.7rem 1.15rem;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--slate-3);
  color: var(--text);
  font-size: 0.84rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
}

.btn:hover {
  border-color: var(--rope);
  color: var(--text);
}

.btn-primary {
  background: var(--green);
  border-color: var(--green);
  color: #06120a;
}

.btn-primary:hover {
  background: #4ac95c;
  border-color: #4ac95c;
  color: #06120a;
}

/* ---------- sections ---------- */

.section {
  padding: clamp(3rem, 7vw, 5.5rem) 0;
  border-top: 1px solid var(--line);
}

.section-alt { background: var(--slate-2); }

.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
  gap: 1.25rem;
  margin-bottom: 2.5rem;
}

.stat {
  padding: 1.5rem;
  background: var(--slate-2);
  border: 1px solid var(--line);
  border-top: 2px solid var(--green);
  border-radius: 4px;
}

.section-alt .stat { background: var(--slate); }

.stat-num {
  margin: 0 0 0.35rem;
  font-size: clamp(2.3rem, 6vw, 3.2rem);
  font-weight: 800;
  line-height: 1;
  color: var(--green);
  letter-spacing: -0.03em;
}

.stat-title {
  margin: 0 0 0.7rem;
  font-size: 1rem;
  line-height: 1.35;
  font-weight: 700;
}

.stat p { color: var(--muted); font-size: 0.95rem; }

.stat-src { margin: 1rem 0 0 !important; }

.stat-src a {
  font-family: var(--mono);
  font-size: 0.82rem;
}

.kicker {
  max-width: 66ch;
  margin: 0;
  padding-left: 1.25rem;
  border-left: 2px solid var(--rope);
  color: var(--muted);
}

.kicker strong,
.kicker em { color: var(--text); }

/* ---------- steps ---------- */

.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(232px, 1fr));
  gap: 1.25rem;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: step;
}

.step {
  position: relative;
  padding: 1.5rem 1.5rem 1.4rem;
  background: var(--slate);
  border: 1px solid var(--line);
  border-radius: 4px;
}

.step::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: linear-gradient(180deg, var(--green), transparent 85%);
}

.step-num {
  display: block;
  margin-bottom: 0.6rem;
  font-family: var(--mono);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--rope);
}

.step h3 {
  margin: 0 0 0.6rem;
  font-size: 1.12rem;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.step p {
  color: var(--muted);
  font-size: 0.95rem;
}

/* ---------- demo ---------- */

.demo {
  margin: 0;
}

.demo img {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--slate-2);
}

.demo figcaption {
  margin-top: 1rem;
  padding-left: 1rem;
  border-left: 2px solid var(--rope);
  color: var(--muted);
  font-size: 0.95rem;
  max-width: 74ch;
}

.demo figcaption strong { color: var(--text); }

/* ---------- verdict ---------- */

.verdicts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 1rem;
  margin: 0 0 2rem;
  padding: 0;
  list-style: none;
}

.v {
  padding: 1.25rem 1.25rem 1.35rem;
  background: var(--slate);
  border: 1px solid var(--line);
  border-radius: 4px;
}

.v-name {
  display: block;
  margin-bottom: 0.5rem;
  font-family: var(--mono);
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.v-desc {
  display: block;
  color: var(--muted);
  font-size: 0.93rem;
  line-height: 1.55;
}

.v-pass { border-top: 2px solid var(--green); }
.v-pass .v-name { color: var(--green); }

.v-warn { border-top: 2px solid var(--rope); }
.v-warn .v-name { color: var(--rope); }

.v-fail { border-top: 2px solid #f27d7d; }
.v-fail .v-name { color: #f27d7d; }

.v-unverified { border-top: 2px solid #b9c4cf; }
.v-unverified .v-name { color: #d8e0e8; }

.rule {
  margin: 0;
  padding: 1.1rem 1.35rem;
  background: var(--slate-3);
  border: 1px solid var(--green-deep);
  border-left: 4px solid var(--green);
  border-radius: 4px;
  max-width: 78ch;
}

.rule strong { color: var(--green); }

/* ---------- status ---------- */

.status {
  background:
    radial-gradient(700px 300px at 8% 0%, rgba(63, 185, 80, 0.09), transparent 70%),
    var(--slate-2);
}

.facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0 0 2rem;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: 4px;
  overflow: hidden;
}

.fact {
  padding: 1.3rem;
  background: var(--slate);
}

.fact dt {
  margin-bottom: 0.4rem;
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--green);
}

.fact dd {
  margin: 0;
  font-size: 0.95rem;
  color: var(--muted);
}

.fact dd strong { color: var(--text); }

.limits-note {
  max-width: 72ch;
  color: var(--muted);
  font-size: 0.95rem;
  padding-left: 1rem;
  border-left: 2px solid var(--rope);
  margin-bottom: 1.75rem;
}

.limits-note em { color: var(--text); }

.status-link { margin: 0; }

/* ---------- footer ---------- */

.footer {
  padding: clamp(2.5rem, 6vw, 4rem) 0;
  background: var(--slate);
  border-top: 1px solid var(--line);
}

.footer-inner { max-width: 72ch; }

.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin: 0 0 1rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-size: 0.9rem;
}

.footer-brand img {
  border-radius: 3px;
  outline: 1px solid var(--line);
}

.footer p {
  color: var(--muted);
  font-size: 0.95rem;
}

.footer em { color: var(--text); }

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1.35rem;
  margin: 1.25rem 0;
  padding: 0;
  list-style: none;
  font-size: 0.9rem;
}

.footer-fine {
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
  font-size: 0.84rem;
  color: #8b99a6;
}

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

@media (max-width: 640px) {
  .masthead-inner { min-height: auto; padding-top: 0.85rem; padding-bottom: 0.85rem; }
  .nav { gap: 0.15rem 0.9rem; }
  .nav a { font-size: 0.74rem; }
  .install { padding: 1rem; }
  .cmd { font-size: 0.82rem; }
  .facts { grid-template-columns: 1fr; }
}