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

:root {
  --bg: #0C0C0E;
  --bg-surface: #141418;
  --bg-elevated: #1C1C22;
  --accent: #F59E0B;
  --accent-dim: #B47806;
  --text: #F0EDE8;
  --text-muted: #8A8890;
  --text-dim: #55535E;
  --border: #252530;
  --font-head: 'Syne', sans-serif;
  --font-body: 'DM Sans', sans-serif;
}

html { font-size: 16px; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-weight: 300;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* Nav */
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 48px;
  border-bottom: 1px solid var(--border);
}
.nav-logo {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: -0.03em;
  color: var(--text);
}
.nav-tagline {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.12em;
}
.nav-right {
  display: flex;
  align-items: center;
  gap: 24px;
}
.nav-store-link {
  font-family: var(--font-head);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--accent);
  text-decoration: none;
  transition: color 0.2s;
}
.nav-store-link:hover { color: var(--accent-dim); }
.nav-cart-link {
  font-family: var(--font-head);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.2s;
}
.nav-cart-link:hover { color: var(--text); }

/* Hero */
.hero {
  padding: 80px 48px 64px;
  max-width: 1200px;
  margin: 0 auto;
}
.hero-eyebrow {
  font-family: var(--font-head);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
}
.hero-headline {
  font-family: var(--font-head);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.04em;
  color: var(--text);
  margin-bottom: 28px;
  max-width: 700px;
}
.hero-sub {
  font-size: 1.125rem;
  color: var(--text-muted);
  max-width: 540px;
  line-height: 1.7;
  margin-bottom: 56px;
}
.hero-image-wrap {
  width: 100%;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--border);
}
.hero-img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

/* Proof strip */
.proof {
  display: flex;
  align-items: center;
  gap: 0;
  padding: 40px 48px;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--bg-surface);
}
.proof-stat {
  flex: 1;
  padding: 0 48px;
  text-align: center;
}
.proof-stat:first-child { padding-left: 0; }
.proof-stat:last-child { padding-right: 0; }
.proof-num {
  font-family: var(--font-head);
  font-size: 3rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 8px;
}
.proof-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  letter-spacing: 0.02em;
  line-height: 1.4;
}
.proof-divider {
  width: 1px;
  height: 60px;
  background: var(--border);
  flex-shrink: 0;
}

/* How */
.how {
  padding: 96px 48px;
  max-width: 1200px;
  margin: 0 auto;
}
.how-title {
  font-family: var(--font-head);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 40px;
}
.how-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.how-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 28px;
}
.how-img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: 20px;
  display: block;
}
.how-card h3 {
  font-family: var(--font-head);
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text);
}
.how-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* Stack */
.stack {
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.stack-inner {
  padding: 80px 48px;
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}
.stack-title {
  font-family: var(--font-head);
  font-size: 1.75rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text);
  margin-bottom: 16px;
  line-height: 1.2;
}
.stack-sub {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-bottom: 0;
  line-height: 1.6;
}
.stack-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.stack-item {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 0.95rem;
  color: var(--text);
}
.stack-icon {
  color: var(--accent);
  font-size: 0.6rem;
  flex-shrink: 0;
  margin-top: 2px;
}

/* Closing */
.closing {
  padding: 96px 48px;
  max-width: 1200px;
  margin: 0 auto;
  text-align: center;
}
.closing-headline {
  font-family: var(--font-head);
  font-size: clamp(1.75rem, 3.5vw, 2.75rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  color: var(--text);
  line-height: 1.2;
}

/* Footer */
.footer {
  border-top: 1px solid var(--border);
  padding: 40px 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.footer-logo {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1rem;
  color: var(--text);
}
.footer-copy {
  font-size: 0.8rem;
  color: var(--text-dim);
}

/* Responsive */
@media (max-width: 900px) {
  .nav { padding: 16px 24px; }
  .hero { padding: 56px 24px 48px; }
  .proof { padding: 32px 24px; flex-direction: column; gap: 24px; }
  .proof-stat { padding: 0; }
  .proof-divider { display: none; }
  .how { padding: 64px 24px; }
  .how-grid { grid-template-columns: 1fr; gap: 20px; }
  .how-img { height: 160px; }
  .stack-inner { grid-template-columns: 1fr; gap: 32px; padding: 64px 24px; }
  .closing { padding: 64px 24px; }
  .footer { padding: 32px 24px; flex-direction: column; gap: 8px; }
}

@media (max-width: 480px) {
  .hero-headline { font-size: 2.25rem; }
  .proof-num { font-size: 2.25rem; }
}