:root {
  --bg: #0e0e0e;
  --bg-alt: #161616;
  --fg: #f2f2f2;
  --fg-muted: #8a8a8a;
  --accent: #d4ff47;
  --accent-dim: rgba(212, 255, 71, 0.12);
  --border: rgba(255,255,255,0.08);
  --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;
}

/* — Nav — */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: baseline;
  gap: 20px;
  padding: 24px 48px;
  background: rgba(14,14,14,0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-logo {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--fg);
}
.nav-tagline {
  font-size: 13px;
  color: var(--fg-muted);
  font-weight: 400;
}

/* — Hero — */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 120px 48px 80px;
  position: relative;
  background:
    radial-gradient(ellipse 70% 60% at 80% 30%, rgba(212,255,71,0.06) 0%, transparent 70%),
    var(--bg);
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='300' height='300' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
  pointer-events: none;
  opacity: 0.6;
}
.hero-eyebrow {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 24px;
}
.hero-headline {
  font-family: var(--font-display);
  font-size: clamp(52px, 8vw, 108px);
  font-weight: 800;
  line-height: 0.95;
  letter-spacing: -0.04em;
  color: var(--fg);
  max-width: 900px;
  margin-bottom: 32px;
}
.hero-sub {
  font-size: 18px;
  color: var(--fg-muted);
  max-width: 520px;
  line-height: 1.7;
  margin-bottom: 56px;
}
.hero-stat {
  display: flex;
  align-items: baseline;
  gap: 12px;
  border-top: 1px solid var(--border);
  padding-top: 32px;
  max-width: 600px;
}
.hero-stat-num {
  font-family: var(--font-display);
  font-size: 64px;
  font-weight: 800;
  color: var(--accent);
  letter-spacing: -0.04em;
  line-height: 1;
}
.hero-stat-label {
  font-size: 16px;
  color: var(--fg-muted);
  line-height: 1.5;
}

/* — Problem — */
.problem {
  padding: 120px 48px;
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
}
.problem-inner {
  max-width: 800px;
  margin: 0 auto;
  display: grid;
  gap: 40px;
}
.problem-label, .section-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}
.problem-statement p {
  font-size: 22px;
  line-height: 1.65;
  color: var(--fg);
  margin-bottom: 20px;
}
.problem-statement p:last-child {
  color: var(--fg-muted);
  font-size: 18px;
}
.problem-realization {
  border-left: 3px solid var(--accent);
  padding-left: 28px;
}
.problem-realization-text {
  font-size: 20px;
  font-weight: 500;
  color: var(--fg);
  line-height: 1.5;
  font-style: italic;
}

/* — How — */
.how {
  padding: 120px 48px;
  background: var(--bg);
}
.how-header {
  margin-bottom: 64px;
}
.how-header h2 {
  font-family: var(--font-display);
  font-size: clamp(32px, 4vw, 52px);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.1;
}
.how-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2px;
  border: 1px solid var(--border);
}
.how-card {
  background: var(--bg-alt);
  padding: 48px 40px;
  transition: background 0.2s;
}
.how-card:hover { background: #1e1e1e; }
.how-icon {
  color: var(--accent);
  margin-bottom: 24px;
}
.how-card h3 {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}
.how-card p {
  font-size: 15px;
  color: var(--fg-muted);
  line-height: 1.65;
}

/* — Clients — */
.clients {
  padding: 100px 48px;
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  text-align: center;
}
.clients-label {
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fg-muted);
  margin-bottom: 48px;
}
.clients-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  max-width: 900px;
  margin: 0 auto;
}
.client-pill {
  padding: 10px 20px;
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 14px;
  font-weight: 500;
  color: var(--fg);
  background: var(--bg);
  transition: border-color 0.2s, color 0.2s;
}
.client-pill:hover { border-color: var(--accent); color: var(--accent); }

/* — Pricing — */
.pricing {
  padding: 120px 48px;
  background: var(--bg);
}
.pricing-header {
  margin-bottom: 56px;
}
.pricing-header h2 {
  font-family: var(--font-display);
  font-size: clamp(32px, 4vw, 52px);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.1;
}
.pricing-card {
  max-width: 520px;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  padding: 56px 48px;
  position: relative;
  overflow: hidden;
}
.pricing-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--accent);
}
.pricing-tier {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}
.pricing-price {
  font-family: var(--font-display);
  font-size: 72px;
  font-weight: 800;
  letter-spacing: -0.05em;
  line-height: 1;
  margin-bottom: 40px;
}
.pricing-period {
  font-size: 22px;
  font-weight: 400;
  color: var(--fg-muted);
}
.pricing-features {
  list-style: none;
  display: grid;
  gap: 16px;
  margin-bottom: 40px;
}
.pricing-features li {
  font-size: 16px;
  color: var(--fg);
  padding-left: 28px;
  position: relative;
}
.pricing-features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 700;
}
.pricing-note {
  font-size: 13px;
  color: var(--fg-muted);
  border-top: 1px solid var(--border);
  padding-top: 24px;
}

/* — Closing — */
.closing {
  padding: 140px 48px;
  background:
    radial-gradient(ellipse 60% 80% at 50% 100%, rgba(212,255,71,0.07) 0%, transparent 70%),
    var(--bg-alt);
  border-top: 1px solid var(--border);
  text-align: center;
}
.closing h2 {
  font-family: var(--font-display);
  font-size: clamp(28px, 4.5vw, 56px);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 28px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}
.closing p {
  font-size: 18px;
  color: var(--fg-muted);
  margin-bottom: 48px;
}
.closing-cta {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
  color: var(--accent);
}

/* — Footer — */
.footer {
  padding: 64px 48px;
  background: var(--bg);
  border-top: 1px solid var(--border);
  text-align: center;
}
.footer-logo {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 12px;
}
.footer-tagline {
  font-size: 14px;
  color: var(--fg-muted);
  margin-bottom: 32px;
  max-width: 400px;
  margin-left: auto;
  margin-right: auto;
}
.footer-legal {
  font-size: 12px;
  color: rgba(255,255,255,0.25);
}

/* — Responsive — */
@media (max-width: 768px) {
  .nav { padding: 20px 24px; }
  .hero { padding: 100px 24px 64px; }
  .problem { padding: 80px 24px; }
  .how { padding: 80px 24px; }
  .how-grid { grid-template-columns: 1fr; }
  .clients { padding: 80px 24px; }
  .pricing { padding: 80px 24px; }
  .pricing-card { padding: 40px 28px; }
  .closing { padding: 80px 24px; }
  .footer { padding: 48px 24px; }
  .hero-stat-num { font-size: 48px; }
  .pricing-price { font-size: 56px; }
}
@media (max-width: 480px) {
  .hero-headline { font-size: 48px; }
  .how-card { padding: 32px 24px; }
}