:root {
  --bg: #0a0a0d;
  --bg-2: #0e0f14;
  --bg-3: #14161e;
  --fg: #f0f2f8;
  --fg-dim: #8b8fa8;
  --accent: #00d4ff;
  --accent-dim: rgba(0, 212, 255, 0.12);
  --danger: #ff4d6a;
  --font-head: 'Syne', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-head);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* NAV */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(10, 10, 13, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,0.05);
}
.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 18px 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--fg);
}
.nav-tag {
  font-size: 11px;
  font-family: var(--font-mono);
  color: var(--fg-dim);
  letter-spacing: 0.06em;
}

/* HERO */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 140px 40px 80px;
  max-width: 1200px;
  margin: 0 auto;
  position: relative;
}
.hero::before {
  content: '';
  position: absolute;
  top: 0; right: -100px;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(0,212,255,0.06) 0%, transparent 70%);
  pointer-events: none;
}
.hero-eyebrow { margin-bottom: 28px; }
.eyebrow-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--accent);
  text-transform: uppercase;
  border: 1px solid rgba(0,212,255,0.25);
  padding: 6px 14px;
  border-radius: 2px;
}
.hero-headline {
  font-size: clamp(52px, 7vw, 88px);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--fg);
  margin-bottom: 28px;
}
.hero-sub {
  font-size: 18px;
  color: var(--fg-dim);
  max-width: 560px;
  line-height: 1.65;
  margin-bottom: 64px;
  font-weight: 400;
}
.hero-metric-row {
  display: flex;
  align-items: center;
  gap: 0;
}
.hero-metric { padding: 20px 36px; }
.hero-metric:first-child { padding-left: 0; }
.hero-metric-divider {
  width: 1px;
  height: 48px;
  background: rgba(255,255,255,0.08);
}
.metric-value {
  display: block;
  font-size: 36px;
  font-weight: 800;
  color: var(--accent);
  font-family: var(--font-mono);
  line-height: 1;
  margin-bottom: 6px;
}
.metric-label {
  display: block;
  font-size: 12px;
  color: var(--fg-dim);
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
}

/* STATS SECTION */
.stats-section {
  background: var(--bg-2);
  border-top: 1px solid rgba(255,255,255,0.04);
  border-bottom: 1px solid rgba(255,255,255,0.04);
}
.stats-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 56px 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.stat-block { text-align: center; }
.stat-number {
  font-size: 44px;
  font-weight: 800;
  font-family: var(--font-mono);
  color: var(--fg);
  line-height: 1;
  margin-bottom: 8px;
}
.stat-plus, .stat-pct {
  color: var(--accent);
  font-size: 28px;
}
.stat-desc {
  font-size: 12px;
  font-family: var(--font-mono);
  color: var(--fg-dim);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.stat-sep {
  width: 1px;
  height: 56px;
  background: rgba(255,255,255,0.07);
}

/* PROBLEM SECTION */
.problem-section {
  padding: 120px 40px;
  max-width: 1200px;
  margin: 0 auto;
}
.problem-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 24px;
}
.problem-headline {
  font-size: clamp(32px, 4vw, 52px);
  font-weight: 700;
  line-height: 1.15;
  color: var(--fg);
  margin-bottom: 64px;
  letter-spacing: -0.01em;
}
.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 4px;
  overflow: hidden;
  margin-bottom: 48px;
}
.problem-col {
  background: var(--bg-2);
  padding: 40px 36px;
  text-align: center;
}
.problem-figure {
  font-size: 56px;
  font-weight: 800;
  font-family: var(--font-mono);
  color: var(--fg);
  line-height: 1;
  margin-bottom: 12px;
}
.problem-context {
  font-size: 13px;
  color: var(--fg-dim);
  font-family: var(--font-mono);
}
.problem-statement {
  max-width: 680px;
}
.problem-statement p {
  font-size: 18px;
  color: var(--fg-dim);
  line-height: 1.7;
  border-left: 2px solid var(--accent);
  padding-left: 24px;
}

/* PRODUCTS */
.products-section {
  background: var(--bg-2);
  padding: 120px 40px;
  border-top: 1px solid rgba(255,255,255,0.04);
}
.products-inner { max-width: 1200px; margin: 0 auto; }
.products-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 24px;
}
.products-headline {
  font-size: clamp(28px, 3.5vw, 44px);
  font-weight: 700;
  line-height: 1.2;
  color: var(--fg);
  margin-bottom: 64px;
  letter-spacing: -0.01em;
}
.products-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.product-card {
  background: var(--bg-3);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 4px;
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: border-color 0.2s;
}
.product-card:hover { border-color: rgba(0,212,255,0.25); }
.product-icon { margin-bottom: 4px; }
.product-name {
  font-size: 18px;
  font-weight: 700;
  color: var(--fg);
}
.product-desc {
  font-size: 13px;
  color: var(--fg-dim);
  line-height: 1.6;
  flex: 1;
}
.product-tag {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--accent);
  opacity: 0.7;
}

/* PROOF */
.proof-section {
  padding: 120px 40px;
  max-width: 1200px;
  margin: 0 auto;
}
.proof-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--fg-dim);
  margin-bottom: 40px;
}
.proof-logos {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 80px;
}
.proof-logo-item {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  color: var(--fg-dim);
  padding: 10px 20px;
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 2px;
  letter-spacing: 0.04em;
}
.proof-quote {
  max-width: 760px;
  border-left: 2px solid var(--accent);
  padding-left: 32px;
}
.quote-text {
  font-size: clamp(18px, 2vw, 22px);
  font-weight: 400;
  color: var(--fg);
  line-height: 1.6;
  font-style: italic;
  margin-bottom: 20px;
}
.quote-attr {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--fg-dim);
  letter-spacing: 0.06em;
}

/* CLOSING */
.closing-section {
  background: var(--bg-2);
  border-top: 1px solid rgba(255,255,255,0.04);
  padding: 120px 40px;
}
.closing-inner { max-width: 1200px; margin: 0 auto; }
.closing-headline {
  font-size: clamp(32px, 4.5vw, 60px);
  font-weight: 800;
  line-height: 1.1;
  color: var(--fg);
  margin-bottom: 28px;
  letter-spacing: -0.02em;
}
.closing-body {
  font-size: 17px;
  color: var(--fg-dim);
  max-width: 600px;
  line-height: 1.7;
}

/* FOOTER */
.footer {
  border-top: 1px solid rgba(255,255,255,0.05);
  padding: 40px;
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.footer-logo {
  font-size: 14px;
  font-weight: 700;
  color: var(--fg);
  letter-spacing: 0.04em;
}
.footer-sub {
  display: block;
  font-size: 12px;
  color: var(--fg-dim);
  margin-top: 4px;
}
.footer-mono {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--fg-dim);
  letter-spacing: 0.06em;
}

/* MOBILE */
@media (max-width: 768px) {
  .hero { padding: 120px 24px 64px; }
  .hero-headline { font-size: 44px; }
  .hero-sub { font-size: 16px; }
  .hero-metric-row { flex-direction: column; gap: 0; }
  .hero-metric { padding: 16px 0; }
  .hero-metric-divider { width: 48px; height: 1px; }
  .stats-inner { flex-direction: column; gap: 32px; }
  .stat-sep { width: 48px; height: 1px; }
  .problem-grid { grid-template-columns: 1fr; }
  .products-grid { grid-template-columns: 1fr; }
  .nav-inner { padding: 16px 24px; }
  .footer-inner { flex-direction: column; gap: 12px; text-align: center; }
  .proof-logos { gap: 8px; }
  .proof-quote { padding-left: 16px; }
}
@media (max-width: 480px) {
  .hero-headline { font-size: 36px; }
  .metric-value { font-size: 28px; }
  .problem-figure { font-size: 40px; }
}