:root {
  --bg: #0f172a;
  --bg-alt: #131c31;
  --fg: #f1f5f9;
  --fg-muted: #94a3b8;
  --accent: #d4ff4f;
  --accent-dim: rgba(212, 255, 79, 0.08);
  --accent-border: rgba(212, 255, 79, 0.2);
  --border: rgba(148, 163, 184, 0.12);
  --radius: 6px;
  --font-display: 'Syne', sans-serif;
  --font-body: 'DM Sans', sans-serif;
}

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

html { scroll-behavior: smooth; }

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

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--accent); border-radius: 3px; }

/* Navbar */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}
.navbar-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 16px 32px;
  display: flex;
  align-items: baseline;
  gap: 12px;
}
.navbar-logo {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 20px;
  color: var(--accent);
  letter-spacing: -0.5px;
}
.navbar-tagline {
  font-size: 13px;
  color: var(--fg-muted);
  font-weight: 300;
  letter-spacing: 0.5px;
}

/* Hero */
.hero {
  max-width: 1100px;
  margin: 0 auto;
  padding: 80px 32px 64px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}
.hero-eyebrow {
  grid-column: 1 / -1;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: -24px;
}
.hero-stat {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 32px;
  background: var(--accent-dim);
  border: 1px solid var(--accent-border);
  border-radius: var(--radius);
}
.stat-number {
  font-family: var(--font-display);
  font-size: 72px;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
}
.stat-label {
  font-size: 15px;
  color: var(--fg-muted);
  line-height: 1.5;
}
.hero-headline {
  padding-top: 16px;
}
.hero-headline h1 {
  font-family: var(--font-display);
  font-size: 48px;
  font-weight: 700;
  line-height: 1.1;
  color: var(--fg);
  letter-spacing: -1.5px;
}
.hero-sub {
  grid-column: 2;
}
.hero-sub p {
  font-size: 17px;
  color: var(--fg-muted);
  line-height: 1.7;
  max-width: 420px;
}
.hero-badge {
  grid-column: 1 / -1;
  margin-top: -16px;
}
.hero-badge span {
  font-size: 12px;
  color: var(--fg-muted);
  font-style: italic;
}

/* Problem */
.problem {
  max-width: 1100px;
  margin: 0 auto;
  padding: 80px 32px;
  border-top: 1px solid var(--border);
}
.problem-header h2 {
  font-family: var(--font-display);
  font-size: 36px;
  font-weight: 700;
  color: var(--fg);
  letter-spacing: -1px;
  margin-bottom: 16px;
}
.problem-header p {
  font-size: 18px;
  color: var(--fg-muted);
  max-width: 560px;
  line-height: 1.7;
}
.problem-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-top: 40px;
  overflow: hidden;
}
.problem-stat {
  background: var(--bg-alt);
  padding: 32px 28px;
}
.problem-number {
  display: block;
  font-family: var(--font-display);
  font-size: 36px;
  font-weight: 800;
  color: var(--accent);
  margin-bottom: 8px;
}
.problem-desc {
  font-size: 14px;
  color: var(--fg-muted);
  line-height: 1.5;
}

/* How */
.how {
  max-width: 1100px;
  margin: 0 auto;
  padding: 80px 32px;
  border-top: 1px solid var(--border);
}
.how-header h2 {
  font-family: var(--font-display);
  font-size: 36px;
  font-weight: 700;
  color: var(--fg);
  letter-spacing: -1px;
  margin-bottom: 8px;
}
.how-header p {
  font-size: 16px;
  color: var(--fg-muted);
  margin-bottom: 48px;
}
.how-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.how-step {}
.step-num {
  display: block;
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.5px;
  color: var(--accent);
  margin-bottom: 16px;
}
.how-step h3 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  color: var(--fg);
  margin-bottom: 10px;
}
.how-step p {
  font-size: 14px;
  color: var(--fg-muted);
  line-height: 1.6;
}

/* Features */
.features {
  max-width: 1100px;
  margin: 0 auto;
  padding: 80px 32px;
  border-top: 1px solid var(--border);
}
.features-header h2 {
  font-family: var(--font-display);
  font-size: 36px;
  font-weight: 700;
  color: var(--fg);
  letter-spacing: -1px;
  margin-bottom: 40px;
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.feature-card {
  background: var(--bg-alt);
  padding: 32px 28px;
}
.feature-icon {
  color: var(--accent);
  margin-bottom: 16px;
}
.feature-card h3 {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  color: var(--fg);
  margin-bottom: 8px;
}
.feature-card p {
  font-size: 14px;
  color: var(--fg-muted);
  line-height: 1.6;
}

/* Process */
.process {
  max-width: 1100px;
  margin: 0 auto;
  padding: 80px 32px;
  border-top: 1px solid var(--border);
}
.process-header h2 {
  font-family: var(--font-display);
  font-size: 36px;
  font-weight: 700;
  color: var(--fg);
  letter-spacing: -1px;
  margin-bottom: 12px;
}
.process-header p {
  font-size: 16px;
  color: var(--fg-muted);
  margin-bottom: 48px;
}
.process-timeline {
  display: flex;
  align-items: start;
  gap: 0;
  margin-bottom: 32px;
}
.process-item {
  flex: 1;
  padding: 24px;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.process-day {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1px;
  color: var(--accent);
  background: var(--accent-dim);
  border: 1px solid var(--accent-border);
  padding: 3px 8px;
  border-radius: 4px;
  margin-bottom: 12px;
}
.process-item h3 {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  color: var(--fg);
  margin-bottom: 8px;
}
.process-item p {
  font-size: 14px;
  color: var(--fg-muted);
  line-height: 1.6;
}
.process-divider {
  width: 32px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--fg-muted);
  font-size: 20px;
  padding-top: 48px;
}
.process-note {
  border-top: 1px solid var(--border);
  padding-top: 24px;
}
.process-note p {
  font-size: 15px;
  color: var(--fg-muted);
  font-style: italic;
}

/* Closing */
.closing {
  max-width: 1100px;
  margin: 0 auto;
  padding: 80px 32px 96px;
  text-align: center;
  border-top: 1px solid var(--border);
}
.closing h2 {
  font-family: var(--font-display);
  font-size: 42px;
  font-weight: 800;
  color: var(--fg);
  letter-spacing: -1.5px;
  line-height: 1.2;
  margin-bottom: 24px;
}
.closing > p {
  font-size: 18px;
  color: var(--fg-muted);
  max-width: 600px;
  margin: 0 auto 40px;
  line-height: 1.7;
}
.closing-vision {
  background: var(--accent-dim);
  border: 1px solid var(--accent-border);
  border-radius: var(--radius);
  padding: 28px 32px;
  max-width: 640px;
  margin: 0 auto;
}
.closing-vision p {
  font-size: 16px;
  color: var(--fg);
  line-height: 1.7;
}

/* Footer */
.footer {
  border-top: 1px solid var(--border);
  padding: 48px 32px 32px;
}
.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: start;
  gap: 32px;
  margin-bottom: 40px;
}
.footer-logo {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 18px;
  color: var(--accent);
  display: block;
  margin-bottom: 8px;
}
.footer-brand p {
  font-size: 14px;
  color: var(--fg-muted);
}
.footer-links span {
  font-size: 13px;
  color: var(--fg-muted);
}
.footer-bottom {
  max-width: 1100px;
  margin: 0 auto;
  border-top: 1px solid var(--border);
  padding-top: 24px;
}
.footer-bottom p {
  font-size: 13px;
  color: var(--fg-muted);
}

/* Responsive */
@media (max-width: 768px) {
  .hero {
    grid-template-columns: 1fr;
    padding: 48px 24px 48px;
  }
  .hero-headline h1 { font-size: 36px; }
  .stat-number { font-size: 56px; }
  .problem-stats,
  .how-steps,
  .features-grid {
    grid-template-columns: 1fr;
  }
  .process-timeline {
    flex-direction: column;
    gap: 16px;
  }
  .process-divider { display: none; }
  .closing h2 { font-size: 30px; }
  .footer-inner { flex-direction: column; }
  .navbar-inner { padding: 14px 24px; }
}

@media (max-width: 480px) {
  .hero-headline h1 { font-size: 28px; }
  .problem-number { font-size: 28px; }
  .features-header h2,
  .how-header h2,
  .problem-header h2 { font-size: 28px; }
}