:root {
  --bg: #07080a;
  --card: #171a1f;
  --line: #2a3340;
  --lime: #d6ff3f;
  --magenta: #ff3d8a;
  --cyan: #3ee0ff;
  --ink: #f4f1ea;
  --muted: #a8a396;
  --pad: 28px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background:
    radial-gradient(circle at 12% 18%, rgba(214, 255, 63, 0.08), transparent 28%),
    radial-gradient(circle at 80% 0%, rgba(255, 61, 138, 0.12), transparent 32%),
    var(--bg);
  color: var(--ink);
  font-family: "Avenir Next", "Segoe UI", sans-serif;
  line-height: 1.5;
}

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

.hold-stack {
  position: fixed;
  left: 18px;
  bottom: 18px;
  z-index: 4;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 6px;
  padding: 12px 14px;
  background: rgba(7, 8, 10, 0.82);
  border: 1px solid var(--line);
  border-radius: 18px 18px 6px 18px;
}

.hold-stack a {
  color: var(--ink);
  text-decoration: none;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.hold-stack a:hover { color: var(--lime); }

.hero,
.sequence,
.screens,
.legal {
  padding: 72px var(--pad) 28px 148px;
  max-width: 1180px;
}

.tick {
  margin: 0 0 8px;
  color: var(--lime);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

h1, h2, h3 { font-weight: 800; letter-spacing: -0.03em; }

h1 {
  margin: 0;
  font-size: clamp(40px, 4.8vw, 72px);
  line-height: 0.92;
  overflow-wrap: anywhere;
}

h2 {
  margin: 0 0 28px;
  font-size: clamp(32px, 4vw, 48px);
  max-width: 14ch;
}

.hero {
  min-height: 92vh;
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: 28px;
  align-items: end;
  overflow: hidden;
}

.hero-copy {
  position: relative;
  z-index: 2;
  order: 1;
  min-width: 0;
  padding-bottom: 24px;
}

.hold-collage { order: 2; }

.line {
  margin: 12px 0 0;
  font-size: 22px;
  color: var(--cyan);
}

.tag {
  max-width: 36ch;
  color: var(--muted);
  font-size: 18px;
}

.hold-collage {
  position: relative;
  height: 560px;
}

.plate {
  position: absolute;
  object-fit: cover;
  border-radius: 22px;
  border: 3px solid #10140a;
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.45);
}

.plate--roof {
  width: 78%;
  height: 62%;
  right: 0;
  top: 0;
  transform: rotate(2.5deg);
}

.plate--chalk {
  width: 42%;
  height: 38%;
  left: 0;
  bottom: 18%;
  transform: rotate(-7deg);
  border-color: var(--magenta);
}

.plate--holds {
  width: 46%;
  height: 42%;
  right: 8%;
  bottom: 0;
  transform: rotate(4deg);
  border-color: var(--lime);
}

.beta-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 18px;
}

.beta-steps li {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 16px;
  padding: 18px 0;
  border-top: 1px solid var(--line);
}

.num {
  font-family: "SF Mono", ui-monospace, monospace;
  font-size: 22px;
  color: var(--lime);
}

.beta-steps h3 { margin: 0 0 6px; font-size: 24px; }

.beta-steps p,
.prose p { margin: 0 0 12px; color: var(--muted); max-width: 62ch; }

.peek-rail {
  display: flex;
  gap: 16px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding-bottom: 12px;
  margin-right: -12px;
}

.peek-rail figure {
  flex: 0 0 68%;
  scroll-snap-align: start;
  margin: 0;
  background: var(--card);
  border-radius: 28px;
  padding: 12px;
}

.peek-rail img {
  width: 100%;
  height: auto;
  border-radius: 20px;
  display: block;
  background: #101216;
}

figcaption {
  margin-top: 10px;
  color: var(--ink);
  font-size: 14px;
  font-weight: 700;
}

.fold {
  background: var(--card);
  border-radius: 18px;
  margin: 0 0 12px;
  border: 1px solid var(--line);
}

.fold summary {
  cursor: pointer;
  padding: 16px 18px;
  font-size: 20px;
  font-weight: 800;
  list-style: none;
}

.fold summary::-webkit-details-marker { display: none; }

.fold summary::after {
  content: "+";
  float: right;
  color: var(--lime);
}

.fold[open] summary::after { content: "–"; }

.prose { padding: 0 18px 16px; }

.colophon {
  padding: 12px var(--pad) 120px 148px;
  color: var(--muted);
  font-size: 13px;
}

@media (max-width: 800px) {
  .hero,
  .sequence,
  .screens,
  .legal,
  .colophon {
    padding-left: 20px;
    padding-right: 20px;
  }

  .hero {
    grid-template-columns: 1fr;
    min-height: 0;
    padding-top: 36px;
  }

  .hold-collage { height: 380px; order: -1; }

  .hold-stack {
    left: 10px;
    bottom: 10px;
    border-radius: 16px;
  }

  .peek-rail figure { flex-basis: 78%; }
}