:root {
  color-scheme: dark;
  --bg: #061736;
  --panel: #0d2340;
  --panel-2: #132b4a;
  --line: #294462;
  --text: #f8fafc;
  --muted: #b7c6d8;
  --soft: #7f93ad;
  --lime: #d2fe08;
  --mint: #7de3b7;
  --coral: #ff6f61;
  --violet: #a78bfa;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  letter-spacing: 0;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(90deg, rgba(210, 254, 8, 0.05) 1px, transparent 1px),
    linear-gradient(180deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 84px 84px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.9), transparent 78%);
}

.progress {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 20;
  height: 4px;
  background: rgba(255, 255, 255, 0.08);
}

.progress span {
  display: block;
  width: 0;
  height: 100%;
  background: linear-gradient(90deg, var(--lime), var(--mint), var(--coral));
}

.rail {
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  z-index: 10;
  width: 88px;
  padding: 28px 18px;
  border-right: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(6, 23, 54, 0.76);
  backdrop-filter: blur(18px);
}

.brand {
  display: block;
  margin-bottom: 28px;
}

.brand img {
  width: 52px;
  height: auto;
}

#slideNav {
  display: grid;
  gap: 9px;
}

#slideNav a {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 999px;
  color: var(--soft);
  font-size: 11px;
  text-decoration: none;
}

#slideNav a.active {
  border-color: var(--lime);
  color: var(--bg);
  background: var(--lime);
}

main {
  margin-left: 88px;
  scroll-snap-type: y mandatory;
}

.slide {
  min-height: 100vh;
  padding: 72px clamp(28px, 6vw, 88px);
  display: grid;
  align-items: center;
  gap: 36px;
  scroll-snap-align: start;
  position: relative;
}

.slide::after {
  content: attr(data-title);
  position: absolute;
  right: clamp(24px, 4vw, 60px);
  bottom: 28px;
  color: rgba(255, 255, 255, 0.22);
  font-size: 12px;
  text-transform: uppercase;
}

.split {
  grid-template-columns: minmax(0, 0.95fr) minmax(320px, 1.05fr);
}

.split.reverse {
  grid-template-columns: minmax(320px, 1.05fr) minmax(0, 0.95fr);
}

.hero {
  grid-template-columns: minmax(0, 0.88fr) minmax(340px, 1.12fr);
}

.copy {
  max-width: 720px;
}

.copy.wide {
  max-width: 980px;
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--lime);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
}

h1,
h2 {
  margin: 0;
  max-width: 920px;
  font-weight: 850;
  line-height: 0.96;
}

h1 {
  font-size: clamp(54px, 9vw, 118px);
}

h2 {
  font-size: clamp(38px, 6vw, 76px);
}

p {
  margin: 24px 0 0;
  color: var(--muted);
  font-size: clamp(18px, 2vw, 25px);
  line-height: 1.35;
}

.lead {
  max-width: 720px;
  font-size: clamp(22px, 2.4vw, 32px);
}

.callout,
.center-statement,
.quote {
  color: var(--text);
  font-weight: 750;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
  margin-top: 34px;
}

.hero-actions a,
.hero-actions span {
  border-radius: 999px;
  padding: 13px 18px;
  font-size: 14px;
  font-weight: 800;
}

.hero-actions a {
  color: var(--bg);
  background: var(--lime);
  text-decoration: none;
}

.hero-actions span {
  color: var(--muted);
  border: 1px solid rgba(255, 255, 255, 0.14);
}

.asset-slot,
.asset-strip,
.phone-frame,
.quote,
.metric-wall,
.comparison,
.projection,
.grid article {
  border: 1px solid rgba(255, 255, 255, 0.13);
  background: linear-gradient(145deg, rgba(19, 43, 74, 0.95), rgba(13, 35, 64, 0.92));
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.26);
}

.asset-slot,
.asset-strip {
  min-height: 320px;
  display: grid;
  place-items: center;
  padding: 28px;
  color: var(--soft);
  text-align: center;
  font-size: clamp(16px, 2vw, 24px);
  font-weight: 800;
  text-transform: uppercase;
}

.asset-slot.tall,
.hero-visual {
  min-height: min(68vh, 620px);
}

.asset-strip {
  min-height: 180px;
}

.grid {
  display: grid;
  gap: 18px;
}

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

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

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

.grid article {
  min-height: 170px;
  padding: 26px;
}

.grid strong,
.grid b {
  display: block;
  margin-bottom: 18px;
  color: var(--text);
  font-size: 24px;
}