:root {
  --bg: #0a0a0b;
  --surface: #131316;
  --border: #1d1d20;
  --fg: #f2f2f4;
  --fg-mute: #a8a8b0;
  --fg-faint: #6b6b73;
  --accent: #f4b73c;
  --max: 1180px;
  --gutter: clamp(20px, 4vw, 56px);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Text', system-ui, 'Segoe UI', sans-serif;
  font-size: 17px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: inherit; text-decoration: none; }
img, video { max-width: 100%; display: block; }

.visually-hidden {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

main { display: block; }

/* ---------- nav ---------- */

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px var(--gutter);
  max-width: var(--max);
  margin: 0 auto;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  letter-spacing: -0.01em;
  font-size: 17px;
}
.brand-mark {
  width: 12px;
  height: 12px;
  border-radius: 3px;
  background: var(--accent);
  display: inline-block;
}
.brand-icon {
  width: 28px;
  height: 28px;
  display: block;
  border-radius: 6px;
}

/* ---------- buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 40px;
  padding: 0 18px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: -0.005em;
  border: 1px solid transparent;
  transition: background 120ms ease, border-color 120ms ease, color 120ms ease;
  cursor: pointer;
}
.btn-lg {
  height: 52px;
  padding: 0 26px;
  font-size: 16px;
  font-weight: 600;
}

.btn-primary {
  background: var(--fg);
  color: #0a0a0b;
}
.btn-primary:hover { background: #ffffff; }

.btn-with-icon { gap: 10px; padding-left: 22px; }
.btn-apple {
  width: 16px;
  height: 18px;
  display: block;
  margin-top: -2px;
}

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

.hero {
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(80px, 14vw, 200px) var(--gutter) clamp(48px, 8vw, 120px);
}

.eyebrow {
  display: inline-block;
  margin: 0 0 28px;
  font-family: ui-monospace, 'SF Mono', Menlo, monospace;
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--fg-mute);
  font-weight: 500;
}

.hero h1 {
  margin: 0;
  font-size: clamp(44px, 8vw, 92px);
  line-height: 1;
  letter-spacing: -0.035em;
  font-weight: 700;
}

.lede {
  max-width: 640px;
  margin: 36px 0 44px;
  font-size: clamp(18px, 1.6vw, 22px);
  color: var(--fg-mute);
  line-height: 1.45;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.cta-sub {
  margin: 18px 0 0;
  font-family: ui-monospace, 'SF Mono', Menlo, monospace;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fg-faint);
}

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

.hero-media {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--gutter);
}
.hero-media video,
.hero-media img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 28px;
  background: var(--bg);
}

/* ---------- manifesto ---------- */

.manifesto {
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(120px, 22vw, 280px) var(--gutter);
  text-align: center;
}
.manifesto p {
  margin: 0;
  font-size: clamp(40px, 7.5vw, 96px);
  line-height: 1.05;
  letter-spacing: -0.035em;
  font-weight: 700;
}
.dim { color: var(--fg-faint); }

/* ---------- features ---------- */

.features {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--gutter) clamp(96px, 14vw, 180px);
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(40px, 6vw, 80px) clamp(40px, 6vw, 96px);
}

.feature-icon {
  width: 26px;
  height: 26px;
  margin-bottom: 18px;
  color: var(--accent);
  display: block;
}

.feature-icons {
  display: flex;
  gap: 14px;
  margin-bottom: 18px;
}
.feature-icons .feature-icon {
  width: 22px;
  height: 22px;
  margin: 2px 0 0;
}

.badge {
  display: inline-block;
  margin-left: 10px;
  padding: 2px 9px;
  font-family: ui-monospace, 'SF Mono', Menlo, monospace;
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 400;
  color: var(--fg-mute);
  border: 1px solid var(--border);
  border-radius: 999px;
  vertical-align: middle;
}

.feature h3 {
  margin: 0 0 14px;
  font-size: clamp(22px, 2.4vw, 28px);
  letter-spacing: -0.02em;
  font-weight: 600;
  line-height: 1.15;
}

.feature p {
  margin: 0;
  max-width: 44ch;
  font-size: 16px;
  color: var(--fg-mute);
  line-height: 1.55;
}

.feature-wide { grid-column: 1 / -1; }
.feature-wide p { max-width: 56ch; }

@media (max-width: 700px) {
  .features { grid-template-columns: 1fr; }
}

/* ---------- signup ---------- */

.signup {
  max-width: 720px;
  margin: 0 auto;
  padding: clamp(140px, 22vw, 260px) var(--gutter);
  text-align: center;
}
.signup .eyebrow { margin-bottom: 24px; }
.signup h2 {
  margin: 0 0 48px;
  font-size: clamp(36px, 6vw, 64px);
  letter-spacing: -0.03em;
  line-height: 1.05;
  font-weight: 600;
}

.signup-form {
  display: flex;
  gap: 8px;
  max-width: 460px;
  margin: 0 auto;
  padding: 6px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 999px;
}
.signup-form input[type="email"] {
  flex: 1;
  background: transparent;
  border: 0;
  color: var(--fg);
  font: inherit;
  padding: 0 16px;
  outline: none;
  min-width: 0;
}
.signup-form input::placeholder { color: var(--fg-faint); }
.signup-form button { flex-shrink: 0; }

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

.footer {
  max-width: var(--max);
  margin: 0 auto;
  padding: 40px var(--gutter) 60px;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--fg-faint);
  font-size: 13px;
  flex-wrap: wrap;
  gap: 12px;
}
.brand-line { margin: 0; display: inline-flex; align-items: center; gap: 8px; color: var(--fg-mute); font-weight: 500; }
.small { margin: 0; }

@media (max-width: 640px) {
  .hero h1 { letter-spacing: -0.03em; }
}