:root {
  --bg: #0a0a0f;
  --bg-surface: #12121a;
  --bg-card: #16161f;
  --fg: #e8e8ed;
  --fg-muted: #8b8b9e;
  --fg-dim: #5a5a6e;
  --accent: #c8a862;
  --accent-dim: rgba(200, 168, 98, 0.15);
  --accent-glow: rgba(200, 168, 98, 0.08);
  --border: rgba(255, 255, 255, 0.06);
  --radius: 12px;
  --max-w: 1120px;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: 'DM Sans', -apple-system, sans-serif;
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

/* === NAV === */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 20px 32px;
  background: rgba(10, 10, 15, 0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}

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

.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  font-size: 20px;
  letter-spacing: -0.02em;
  color: var(--fg);
}

.nav-mark {
  color: var(--accent);
  font-size: 14px;
}

/* === HERO === */
.hero {
  position: relative;
  padding: 180px 32px 120px;
  text-align: left;
  max-width: var(--max-w);
  margin: 0 auto;
  overflow: hidden;
}

.hero-inner {
  position: relative;
  z-index: 2;
}

.hero-badge {
  display: inline-block;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-dim);
  border: 1px solid rgba(200, 168, 98, 0.25);
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 32px;
}

.hero-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(40px, 6vw, 72px);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.035em;
  color: var(--fg);
  margin-bottom: 28px;
}

.hero-title em {
  font-style: italic;
  color: var(--fg);
}

.hero-accent {
  color: var(--accent);
}

.hero-lede {
  font-size: 19px;
  line-height: 1.6;
  color: var(--fg-muted);
  max-width: 620px;
}

.hero-glow {
  position: absolute;
  top: -120px;
  right: -200px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  z-index: 1;
  pointer-events: none;
}

/* === PROBLEM === */
.problem {
  padding: 100px 32px;
  border-top: 1px solid var(--border);
}

.problem-inner {
  max-width: var(--max-w);
  margin: 0 auto;
}

.problem-label,
.how-label,
.features-label {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 32px;
}

.problem-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

.problem-statement h2 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 32px;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin-bottom: 20px;
}

.problem-statement p {
  color: var(--fg-muted);
  font-size: 17px;
  line-height: 1.7;
}

.problem-stats {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.stat {
  border-left: 2px solid var(--accent);
  padding-left: 24px;
}

.stat-number {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 42px;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--fg);
  line-height: 1;
  margin-bottom: 6px;
}

.stat-label {
  font-size: 15px;
  color: var(--fg-muted);
}

/* === HOW === */
.how {
  padding: 100px 32px;
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.how-inner {
  max-width: var(--max-w);
  margin: 0 auto;
}

.how-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 36px;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 56px;
}

.how-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

.step {
  padding: 32px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.step-num {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 14px;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 16px;
  letter-spacing: 0.05em;
}

.step h3 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}

.step p {
  font-size: 15px;
  color: var(--fg-muted);
  line-height: 1.65;
}

/* === FEATURES === */
.features {
  padding: 100px 32px;
}

.features-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.feature-card {
  padding: 36px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg-surface);
  transition: border-color 0.2s;
}

.feature-card:hover {
  border-color: rgba(200, 168, 98, 0.2);
}

.feature-icon {
  font-size: 24px;
  color: var(--accent);
  margin-bottom: 16px;
}

.feature-card h3 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 19px;
  font-weight: 600;
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}

.feature-card p {
  font-size: 15px;
  color: var(--fg-muted);
  line-height: 1.65;
}

/* === CLOSING === */
.closing {
  padding: 120px 32px;
  text-align: center;
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
}

.closing-inner {
  max-width: 700px;
  margin: 0 auto;
}

.closing-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin-bottom: 20px;
}

.closing-accent {
  color: var(--accent);
}

.closing-text {
  font-size: 17px;
  color: var(--fg-muted);
  line-height: 1.7;
}

/* === FOOTER === */
.footer {
  padding: 40px 32px;
  border-top: 1px solid var(--border);
}

.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  font-size: 16px;
}

.footer-note {
  font-size: 14px;
  color: var(--fg-dim);
}

/* === RESPONSIVE === */
@media (max-width: 768px) {
  .hero {
    padding: 140px 20px 80px;
  }

  .hero-lede {
    font-size: 17px;
  }

  .problem,
  .how,
  .features,
  .closing {
    padding: 64px 20px;
  }

  .problem-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .how-steps {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .features-inner {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .footer-inner {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 32px;
  }

  .stat-number {
    font-size: 32px;
  }

  .problem-statement h2 {
    font-size: 24px;
  }

  .how-title {
    font-size: 26px;
  }
}