:root {
  --bg: #120f1a;
  --bg-soft: #1a1523;
  --bg-raised: #221a2e;
  --ink: #ede9f0;
  --ink-mid: #b8b0c8;
  --ink-dim: #7a7090;
  --border: rgba(255, 255, 255, 0.1);
  --border-strong: rgba(255, 255, 255, 0.18);
  --purple: #bb9af7;
  --blue: #7aa2f7;
  --gold: #fde68a;
  --gradient: linear-gradient(135deg, var(--purple), var(--blue) 72%, #8ae4ff);
  --shadow: 0 30px 80px rgba(0, 0, 0, 0.4);
  --max: 1200px;
  --pad-x: 40px;
  --pad-section: 80px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, system-ui, sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top, rgba(122, 162, 247, 0.14), transparent 34%),
    radial-gradient(circle at 20% 0%, rgba(187, 154, 247, 0.16), transparent 28%),
    linear-gradient(180deg, #181225 0%, #120f1a 28%, #0f0b16 100%);
  min-height: 100vh;
}

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }

/* ─── Gradient text utility ─────────────────────────────── */
.grad {
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ─── Kicker / label ─────────────────────────────────────── */
.kicker {
  display: block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-dim);
  margin-bottom: 20px;
}

/* ─── Buttons ─────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 10px 18px;
  border-radius: 999px;
  border: 1px solid transparent;
  transition: opacity 120ms ease, background 120ms ease, border-color 120ms ease;
  white-space: nowrap;
}

.btn-primary {
  color: #11101a;
  background: var(--gradient);
  box-shadow: 0 12px 32px rgba(122, 162, 247, 0.25);
}
.btn-primary:hover { opacity: 0.88; }

.btn-outline {
  border-color: var(--border-strong);
  color: var(--ink-mid);
  background: rgba(255, 255, 255, 0.03);
}
.btn-outline:hover { background: rgba(255, 255, 255, 0.07); }


/* ─── Nav ─────────────────────────────────────────────────── */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid var(--border);
  background: color-mix(in oklab, #120f1a 88%, transparent);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  isolation: isolate;
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: 56px;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--pad-x);
}

.nav-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 16px;
  font-weight: 500;
  letter-spacing: 0.04em;
}

.nav-brand img {
  width: 28px;
  height: 28px;
  border-radius: 8px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-dim);
}
.nav-links a:hover { color: var(--ink); }

/* ─── Hero ────────────────────────────────────────────────── */
.hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  max-width: var(--max);
  margin: 0 auto;
  padding: 96px var(--pad-x) 64px;
}

.hero-copy h1 {
  font-family: 'Instrument Serif', serif;
  font-size: clamp(52px, 6vw, 80px);
  font-weight: 400;
  letter-spacing: -0.02em;
  line-height: 0.95;
  margin-bottom: 24px;
}

.hero-copy h1 em {
  font-style: italic;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.lede {
  font-family: 'Inter', sans-serif;
  font-size: 15px;
  line-height: 1.65;
  color: var(--ink-mid);
  max-width: 440px;
  margin-bottom: 32px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 24px;
}

.hero-meta {
  display: flex;
  gap: 20px;
  list-style: none;
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-dim);
}

/* ─── Hero visual ─────────────────────────────────────────── */
.hero-visual {
  display: flex;
  align-items: center;
  justify-content: center;
}

@keyframes hero-icon-in {
  from { opacity: 0; transform: translateY(28px); }
  to   { opacity: 1; transform: translateY(0); }
}

.hero-icon {
  animation: hero-icon-in 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.15s both;
  filter: drop-shadow(0 0 48px rgba(122, 162, 247, 0.35))
          drop-shadow(0 0 96px rgba(187, 154, 247, 0.2));
}

/* ─── Section common ──────────────────────────────────────── */
.how-it-works,
.features,
.platforms,
.privacy {
  max-width: var(--max);
  margin: 0 auto;
  padding: var(--pad-section) var(--pad-x);
  border-top: 1px dashed var(--border);
}

/* ─── Section headings ────────────────────────────────────── */
.how-it-works h2,
.features h2,
.platforms h2,
.privacy h2 {
  font-family: 'Instrument Serif', serif;
  font-size: clamp(32px, 3.5vw, 48px);
  font-weight: 400;
  letter-spacing: -0.015em;
  line-height: 1.05;
  margin-bottom: 40px;
}

/* ─── How it works ────────────────────────────────────────── */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
}

.step {
  padding: 32px 28px;
  min-height: 220px;
  border-right: 1px solid var(--border);
}
.step:last-child { border-right: 0; }

.step-num {
  display: block;
  font-family: 'Instrument Serif', serif;
  font-style: italic;
  font-size: 64px;
  font-weight: 400;
  line-height: 1;
  margin-bottom: 16px;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.step h3 {
  font-family: 'Inter', sans-serif;
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--ink);
}

.step p {
  font-size: 14px;
  line-height: 1.6;
  color: var(--ink-mid);
  max-width: 260px;
}

/* ─── Features ────────────────────────────────────────────── */
.feature-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px 48px;
}

.feature-video-wrap {
  position: relative;
}

.feature-hover-hint {
  position: absolute;
  bottom: 12px;
  left: 50%;
  transform: translateX(-50%);
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-mid);
  background: rgba(18, 15, 26, 0.92);
  padding: 5px 12px;
  border-radius: 999px;
  border: 1px solid var(--border-strong);
  pointer-events: none;
  transition: opacity 200ms ease;
}

.feature-item:hover .feature-hover-hint {
  opacity: 0;
}

@media (hover: none) { .feature-hover-hint { display: none; } }

.feature-video {
  width: 100%;
  aspect-ratio: 2 / 1;
  border: 1px solid var(--border);
  border-radius: 8px;
  display: block;
  background: var(--bg-raised);
}

.feature-video-bookmark {
  background: #202020;
  object-fit: scale-down;
  object-position: right;
}

.feature-item-full {
  grid-column: span 2;
}

.feature-item h3 {
  font-family: 'Instrument Serif', serif;
  font-size: 22px;
  font-weight: 400;
  letter-spacing: -0.01em;
  margin: 16px 0 8px;
  color: var(--ink);
}

.feature-item p {
  font-size: 14px;
  line-height: 1.6;
  color: var(--ink-mid);
}

.feature-shot {
  aspect-ratio: 16 / 10;
  border: 1px solid var(--border);
  border-radius: 8px;
  background:
    radial-gradient(circle at 60% 40%, rgba(187, 154, 247, 0.12), transparent 50%),
    var(--bg-raised);
}

/* ─── Platforms ───────────────────────────────────────────── */
.platforms {
  display: block;
}

.chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}
.chip-list span {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.06em;
  padding: 8px 14px;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--ink-mid);
}

.chip-beta mark {
  background: none;
  color: var(--purple);
  font-family: 'JetBrains Mono', monospace;
  font-size: 8px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-left: 4px;
}

.platforms-note {
  font-size: 13px;
  color: var(--ink-dim);
  line-height: 1.5;
}

/* ─── CTA band ────────────────────────────────────────────── */
.cta-band {
  border-top: 1px solid var(--border-strong);
  border-bottom: 1px solid var(--border-strong);
  padding: 96px var(--pad-x);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

.cta-band h2 {
  font-family: 'Instrument Serif', serif;
  font-style: normal;
  font-size: clamp(40px, 5vw, 64px);
  font-weight: 400;
  letter-spacing: -0.02em;
  line-height: 1.05;
}

.cta-band h2 em {
  font-style: italic;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.cta-sub {
  font-size: 15px;
  color: var(--ink-mid);
  font-family: 'Inter', sans-serif;
}

.cta-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
}

/* ─── Footer ──────────────────────────────────────────────── */
.footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  max-width: var(--max);
  margin: 0 auto;
  padding: 28px var(--pad-x);
  border-top: 1px dashed var(--border);
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-dim);
}

.footer-links {
  display: flex;
  gap: 24px;
}
.footer-links a:hover { color: var(--ink); }

/* ─── Responsive ──────────────────────────────────────────── */
@media (max-width: 1024px) {
  :root { --pad-x: 28px; --pad-section: 64px; }

  .hero { grid-template-columns: 1fr; padding-top: 60px; }
  .lede { max-width: none; }

}

@media (max-width: 760px) {
  :root { --pad-x: 20px; --pad-section: 48px; }

  .nav-links { display: none; }

  .hero { gap: 32px; padding-top: 40px; }

  .steps-grid { grid-template-columns: 1fr; }
  .step { border-right: 0; border-bottom: 1px solid var(--border); }
  .step:last-child { border-bottom: 0; }

  .feature-grid { grid-template-columns: 1fr; }

  .privacy-tiles { grid-template-columns: 1fr; }
  .tile { border-right: 0; border-bottom: 1px solid var(--border); }
  .tile:last-child { border-bottom: 0; }

  .cta-band { padding: 60px var(--pad-x); }

  .footer { flex-direction: column; gap: 16px; align-items: flex-start; }
}