:root {
  --bg-dark: #0d0d1a;
  --bg-mid: #12122a;
  --bg-light: #f8f7f4;
  --fg-light: #f0ede8;
  --fg-dark: #1a1a2e;
  --accent: #00d4aa;
  --accent-dim: #00a883;
  --muted: #8888aa;
  --muted-light: #c8c8d8;
  --border: rgba(0, 212, 170, 0.15);
  --border-light: rgba(26, 26, 46, 0.15);
  --font-display: 'Fraunces', Georgia, serif;
  --font-body: 'DM Sans', system-ui, sans-serif;
}

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

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

/* NAV */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 20px 40px;
  background: rgba(13, 13, 26, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
}
.nav-logo {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 600;
  color: var(--fg-light);
  letter-spacing: -0.03em;
}

/* HERO */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 140px 40px 100px;
  background: var(--bg-dark);
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -200px;
  left: -200px;
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, rgba(0, 212, 170, 0.06) 0%, transparent 70%);
  pointer-events: none;
}
.hero-inner {
  max-width: 1100px;
  margin: 0 auto;
  width: 100%;
}
.hero-eyebrow {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 28px;
}
.hero-headline {
  font-family: var(--font-display);
  font-size: clamp(36px, 5.5vw, 68px);
  font-weight: 300;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--fg-light);
  max-width: 820px;
  margin-bottom: 28px;
}
.hero-sub {
  font-size: 18px;
  color: var(--muted-light);
  max-width: 640px;
  line-height: 1.7;
  margin-bottom: 60px;
}
.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  padding-top: 48px;
  border-top: 1px solid var(--border);
  max-width: 700px;
}
.hero-stat {}
.stat-value {
  display: block;
  font-family: var(--font-display);
  font-size: 38px;
  font-weight: 600;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 8px;
}
.stat-label {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.4;
}

/* MISSION */
.mission {
  background: var(--bg-mid);
  padding: 100px 40px;
}
.mission-inner {
  max-width: 1100px;
  margin: 0 auto;
}
.mission-label, .how-label, .features-label, .diff-label {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
}
.mission-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}
.mission-content p {
  font-size: 17px;
  color: var(--muted-light);
  line-height: 1.75;
}
.mission-quote {
  padding: 36px 40px;
  border-left: 3px solid var(--accent);
  background: rgba(0, 212, 170, 0.04);
}
.mission-quote blockquote {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 300;
  font-style: italic;
  color: var(--fg-light);
  line-height: 1.5;
}

/* HOW IT WORKS */
.how {
  background: var(--bg-light);
  padding: 100px 40px;
  color: var(--fg-dark);
}
.how-inner {
  max-width: 1100px;
  margin: 0 auto;
}
.how-label { color: var(--accent-dim); }
.how-headline {
  font-family: var(--font-display);
  font-size: clamp(28px, 3.5vw, 44px);
  font-weight: 400;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 64px;
  max-width: 600px;
  color: var(--fg-dark);
}
.how-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
}
.step {}
.step-number {
  font-family: var(--font-display);
  font-size: 48px;
  font-weight: 300;
  color: rgba(0, 212, 170, 0.2);
  line-height: 1;
  margin-bottom: 16px;
}
.step-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--fg-dark);
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}
.step-desc {
  font-size: 14px;
  color: #5a5a7a;
  line-height: 1.65;
}

/* FEATURES */
.features {
  background: var(--bg-dark);
  padding: 100px 40px;
}
.features-inner {
  max-width: 1100px;
  margin: 0 auto;
}
.features-headline {
  font-family: var(--font-display);
  font-size: clamp(28px, 3.5vw, 44px);
  font-weight: 400;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 64px;
  max-width: 560px;
  color: var(--fg-light);
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  background: var(--border);
  border: 1px solid var(--border);
}
.feature-card {
  background: var(--bg-dark);
  padding: 36px 32px;
}
.feature-icon {
  margin-bottom: 20px;
  opacity: 0.9;
}
.feature-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--fg-light);
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}
.feature-desc {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.65;
}

/* DIFFERENTIATORS */
.diff {
  background: var(--bg-mid);
  padding: 100px 40px;
}
.diff-inner {
  max-width: 1100px;
  margin: 0 auto;
}
.diff-headline {
  font-family: var(--font-display);
  font-size: clamp(28px, 3.5vw, 44px);
  font-weight: 400;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 60px;
  max-width: 600px;
  color: var(--fg-light);
}
.diff-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  margin-bottom: 64px;
}
.diff-vs {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 14px;
}
.diff-text {
  font-size: 15px;
  color: var(--muted-light);
  line-height: 1.7;
}
.diff-built {
  padding: 32px 36px;
  border: 1px solid var(--border);
  background: rgba(0, 212, 170, 0.03);
}
.diff-built p {
  font-size: 16px;
  color: var(--muted-light);
  line-height: 1.7;
}

/* CLOSING */
.closing {
  background: var(--bg-dark);
  padding: 120px 40px;
  text-align: center;
}
.closing-inner {
  max-width: 760px;
  margin: 0 auto;
}
.closing-headline {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 52px);
  font-weight: 300;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--fg-light);
  margin-bottom: 28px;
}
.closing-sub {
  font-size: 17px;
  color: var(--muted);
  line-height: 1.75;
  max-width: 560px;
  margin: 0 auto;
}

/* FOOTER */
.footer {
  background: var(--bg-dark);
  border-top: 1px solid var(--border);
  padding: 40px 40px;
}
.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 24px;
}
.footer-brand {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
  color: var(--fg-light);
}
.footer-tagline {
  font-size: 13px;
  color: var(--muted);
}

/* RESPONSIVE */
@media (max-width: 900px) {
  .mission-content { grid-template-columns: 1fr; }
  .how-steps { grid-template-columns: repeat(2, 1fr); }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .diff-grid { grid-template-columns: 1fr; }
  .hero-stats { grid-template-columns: 1fr; gap: 24px; }
  .nav { padding: 16px 24px; }
  .hero, .mission, .how, .features, .diff, .closing, .footer { padding-left: 24px; padding-right: 24px; }
}

@media (max-width: 600px) {
  .how-steps { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr; }
  .hero-headline { font-size: 32px; }
  .stat-value { font-size: 30px; }
}