:root {
  --bg: #07090a;
  --bg-raised: #0e1113;
  --line: rgba(233, 244, 246, 0.12);
  --ink: #f2fbfc;
  --ink-dim: rgba(233, 244, 246, 0.62);
  --ink-faint: rgba(233, 244, 246, 0.4);
  --lime: #d7ff3f;
  --lime-glow: rgba(186, 255, 41, 0.35);
  --amber: #ffb545;
  --red: #ff3b3b;
  --maxw: 1120px;
  --pad: clamp(20px, 5vw, 56px);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 400 17px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

a { color: var(--lime); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3 {
  font-family: "Chakra Petch", "Arial Narrow", system-ui, sans-serif;
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.01em;
  margin: 0;
}

.kicker {
  font: 700 12px/1 ui-monospace, "SF Mono", Menlo, monospace;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--lime);
}

.wrap { max-width: var(--maxw); margin: 0 auto; padding-inline: var(--pad); }

/* ---------- nav ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(10px);
  background: rgba(7, 9, 10, 0.72);
  border-bottom: 1px solid var(--line);
}
.nav .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 62px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: "Chakra Petch", sans-serif;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--ink);
  font-size: 18px;
}
.brand:hover { text-decoration: none; }
.brand img { width: 28px; height: 28px; border-radius: 7px; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 20px;
  border-radius: 999px;
  font: 700 13px/1 ui-monospace, "SF Mono", Menlo, monospace;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border: 1px solid var(--lime);
  color: var(--lime);
  background: transparent;
  transition: background 0.15s, color 0.15s;
  white-space: nowrap;
}
.btn:hover { background: var(--lime); color: #0a0d0f; text-decoration: none; }
.btn--solid { background: var(--lime); color: #0a0d0f; }
.btn--solid:hover { box-shadow: 0 0 28px var(--lime-glow); }
.btn--ghost { border-color: var(--line); color: var(--ink); }
.btn--ghost:hover { background: var(--bg-raised); color: var(--ink); }

.store {
  display: inline-flex;
  flex-direction: column;
  gap: 6px;
}
.store small {
  font: 600 11px/1 ui-monospace, monospace;
  letter-spacing: 0.1em;
  color: var(--ink-faint);
  text-transform: uppercase;
}

/* ---------- hero ---------- */
.hero {
  position: relative;
  padding: clamp(48px, 9vw, 104px) 0 clamp(56px, 9vw, 96px);
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  inset: -30% -10% auto;
  height: 620px;
  background: radial-gradient(60% 60% at 30% 0%, rgba(186, 255, 41, 0.12), transparent 70%),
              radial-gradient(50% 50% at 85% 10%, rgba(255, 181, 69, 0.09), transparent 70%);
  pointer-events: none;
}
.hero .wrap {
  position: relative;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: clamp(32px, 6vw, 72px);
  align-items: center;
}
.hero h1 {
  font-size: clamp(40px, 7vw, 72px);
  margin: 18px 0 0;
}
.hero h1 .accent { color: var(--lime); }
.hero p.lede {
  font-size: clamp(17px, 2.2vw, 20px);
  color: var(--ink-dim);
  max-width: 30ch;
  margin: 20px 0 0;
}
.hero-cta {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
  margin-top: 32px;
}
.controls-hint {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 26px;
  font: 600 12px/1 ui-monospace, monospace;
  letter-spacing: 0.12em;
  color: var(--ink-faint);
  text-transform: uppercase;
}
.controls-hint b { color: var(--ink-dim); font-weight: 700; }

/* phone */
.phone {
  position: relative;
  width: min(300px, 80vw);
  margin: 0 auto;
  aspect-ratio: 9 / 19.5;
  border-radius: 40px;
  padding: 10px;
  background: linear-gradient(160deg, #1a1e20, #0a0c0d);
  border: 1px solid rgba(255, 255, 255, 0.09);
  box-shadow: 0 40px 90px -30px rgba(0, 0, 0, 0.9),
              0 0 60px -10px rgba(186, 255, 41, 0.15);
}
.phone video, .phone img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 30px;
  display: block;
  background: #000;
}
.phone::after {
  content: "";
  position: absolute;
  top: 22px;
  left: 50%;
  transform: translateX(-50%);
  width: 96px;
  height: 7px;
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.55);
}

/* ---------- sections ---------- */
section { padding: clamp(56px, 10vw, 112px) 0; }
section + section { border-top: 1px solid var(--line); }

.section-head { max-width: 42ch; margin-bottom: 48px; }
.section-head h2 {
  font-size: clamp(28px, 4.2vw, 42px);
  margin-top: 14px;
}
.section-head p {
  color: var(--ink-dim);
  margin: 14px 0 0;
}

/* steps */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  counter-reset: step;
}
.step {
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 26px 24px;
  background: var(--bg-raised);
}
.step::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  font: 700 13px/1 ui-monospace, monospace;
  letter-spacing: 0.1em;
  color: var(--lime);
}
.step h3 { font-size: 19px; margin: 14px 0 8px; }
.step p { margin: 0; color: var(--ink-dim); font-size: 15px; }

/* split media rows */
.split {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(28px, 6vw, 72px);
  align-items: center;
}
.split.reverse { grid-template-columns: 1.1fr 0.9fr; }
.split.reverse .split-media { order: -1; }
.split h2 { font-size: clamp(26px, 3.6vw, 38px); }
.split p { color: var(--ink-dim); margin: 16px 0 0; }
.split-media .phone { width: min(280px, 74vw); }

.hud-list {
  list-style: none;
  padding: 0;
  margin: 22px 0 0;
  display: grid;
  gap: 12px;
}
.hud-list li {
  display: flex;
  gap: 12px;
  align-items: baseline;
  font-size: 15px;
  color: var(--ink-dim);
}
.hud-list li b {
  font: 700 12px/1.4 ui-monospace, monospace;
  letter-spacing: 0.08em;
  color: var(--lime);
  text-transform: uppercase;
  flex: none;
  min-width: 92px;
}

/* gallery */
.gallery {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: min(240px, 62vw);
  gap: 18px;
  overflow-x: auto;
  padding-bottom: 10px;
  scroll-snap-type: x mandatory;
}
.gallery img {
  width: 100%;
  border-radius: 18px;
  border: 1px solid var(--line);
  scroll-snap-align: start;
}

/* features */
.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: 18px;
  overflow: hidden;
}
.feature {
  background: var(--bg);
  padding: 28px 24px;
}
.feature h3 {
  font-size: 16px;
  margin: 0 0 8px;
  display: flex;
  align-items: center;
  gap: 9px;
}
.feature h3::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 2px;
  background: var(--lime);
  box-shadow: 0 0 10px var(--lime-glow);
  flex: none;
}
.feature p { margin: 0; color: var(--ink-dim); font-size: 14px; }

/* closing cta */
.closer {
  text-align: center;
}
.closer h2 { font-size: clamp(30px, 5vw, 52px); }
.closer p { color: var(--ink-dim); margin: 16px auto 32px; max-width: 40ch; }
.closer .hero-cta { justify-content: center; }

/* ---------- footer ---------- */
footer {
  border-top: 1px solid var(--line);
  padding: 44px 0;
  color: var(--ink-faint);
  font-size: 14px;
}
footer .wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}
footer nav { display: flex; gap: 22px; }
footer a { color: var(--ink-dim); }

/* ---------- legal pages ---------- */
.doc { padding: clamp(48px, 8vw, 88px) 0 96px; }
.doc .wrap { max-width: 760px; }
.doc h1 { font-size: clamp(30px, 5vw, 44px); }
.doc .updated {
  font: 600 12px/1 ui-monospace, monospace;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-top: 14px;
}
.doc h2 {
  font-size: 20px;
  margin: 44px 0 12px;
}
.doc p, .doc li { color: var(--ink-dim); }
.doc ul { padding-left: 22px; }
.doc li { margin: 6px 0; }

/* ---------- responsive ---------- */
@media (max-width: 860px) {
  .hero .wrap { grid-template-columns: 1fr; text-align: center; }
  .hero p.lede { margin-inline: auto; }
  .hero-cta, .controls-hint { justify-content: center; }
  .hero .phone-col { order: -1; }
  .steps { grid-template-columns: 1fr; }
  .split, .split.reverse { grid-template-columns: 1fr; text-align: center; }
  .split.reverse .split-media { order: 0; }
  .hud-list li { justify-content: center; flex-wrap: wrap; }
  .features { grid-template-columns: 1fr; }
}

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