:root {
  --bg: #0a0a0a;
  --bg-elevated: #111111;
  --bg-card: #161616;
  --fg: #e8e8e8;
  --fg-muted: #888888;
  --fg-dim: #555555;
  --accent: #00d47b;
  --accent-dim: rgba(0, 212, 123, 0.12);
  --accent-glow: rgba(0, 212, 123, 0.25);
  --border: #222222;
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'DM Sans', sans-serif;
}

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

html { scroll-behavior: smooth; }

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

/* NAV */
.nav {
  max-width: 1200px;
  margin: 0 auto;
  padding: 28px 24px;
}

.logo {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--fg);
  letter-spacing: -0.02em;
}

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

/* HERO */
.hero {
  position: relative;
  overflow: hidden;
  padding-bottom: 80px;
}

.hero-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 60px 24px 0;
}

.hero-badge {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-dim);
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 32px;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 7vw, 5.5rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: #ffffff;
  margin-bottom: 28px;
}

.hero-sub {
  font-size: 1.15rem;
  color: var(--fg-muted);
  max-width: 560px;
  line-height: 1.7;
  margin-bottom: 56px;
}

.hero-stat-row {
  display: flex;
  gap: 48px;
  flex-wrap: wrap;
}

.hero-stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.stat-number {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
}

.stat-label {
  font-size: 0.85rem;
  color: var(--fg-dim);
  max-width: 180px;
}

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

.hero-content { position: relative; z-index: 1; }

/* NUMBERS / PROBLEM */
.numbers {
  background: var(--bg-elevated);
  padding: 100px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.numbers-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section-tag {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}

.numbers-header h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: #ffffff;
  margin-bottom: 16px;
}

.numbers-desc {
  font-size: 1.05rem;
  color: var(--fg-muted);
  max-width: 600px;
  margin-bottom: 56px;
  line-height: 1.7;
}

.numbers-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.number-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 36px 28px;
  transition: border-color 0.2s;
}

.number-card:hover { border-color: var(--fg-dim); }

.number-card.highlight {
  border-color: var(--accent);
  background: linear-gradient(135deg, rgba(0,212,123,0.06), transparent);
}

.number-icon {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--fg);
  margin-bottom: 12px;
}

.number-card.highlight .number-icon { color: var(--accent); }

.number-title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--fg);
  margin-bottom: 8px;
}

.number-text {
  font-size: 0.95rem;
  color: var(--fg-muted);
  line-height: 1.6;
}

/* HOW IT WORKS */
.how {
  padding: 100px 0;
}

.how-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.how h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: #ffffff;
  margin-bottom: 56px;
}

.how-steps {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.step {
  display: flex;
  gap: 40px;
  align-items: flex-start;
  padding: 40px 0;
  border-bottom: 1px solid var(--border);
}

.step:first-child { border-top: 1px solid var(--border); }

.step-num {
  font-family: var(--font-display);
  font-size: 3.5rem;
  font-weight: 700;
  color: var(--fg-dim);
  line-height: 1;
  min-width: 100px;
}

.step-content h3 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 600;
  color: #ffffff;
  margin-bottom: 8px;
}

.step-content p {
  font-size: 1rem;
  color: var(--fg-muted);
  line-height: 1.7;
  max-width: 500px;
}

/* PRICING / MATH */
.pricing {
  background: var(--bg-elevated);
  padding: 100px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.pricing-inner {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 24px;
}

.pricing h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: #ffffff;
  margin-bottom: 48px;
}

.math-block {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 40px 36px;
  margin-bottom: 28px;
}

.math-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 0;
}

.math-label {
  font-size: 1rem;
  color: var(--fg-muted);
}

.math-value {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--fg);
}

.math-value.accent {
  color: var(--accent);
  font-size: 1.8rem;
}

.math-divider {
  height: 1px;
  background: var(--border);
  margin: 8px 0;
}

.math-row.result {
  padding-top: 24px;
}

.pricing-note {
  font-size: 0.95rem;
  color: var(--fg-dim);
  line-height: 1.6;
}

/* CLOSING */
.closing {
  padding: 120px 0;
  text-align: center;
}

.closing-inner {
  max-width: 700px;
  margin: 0 auto;
  padding: 0 24px;
}

.closing h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: #ffffff;
  margin-bottom: 20px;
  line-height: 1.15;
}

.closing-text {
  font-size: 1.1rem;
  color: var(--fg-muted);
  line-height: 1.7;
}

/* FOOTER */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 48px 0;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-brand {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--fg);
}

.footer-text {
  font-size: 0.85rem;
  color: var(--fg-dim);
}

/* RESPONSIVE */
@media (max-width: 768px) {
  .hero-content { padding: 40px 20px 0; }
  .hero-stat-row { gap: 32px; }
  .numbers-grid { grid-template-columns: 1fr; }
  .step { flex-direction: column; gap: 16px; }
  .step-num { font-size: 2.5rem; min-width: auto; }
  .math-row { flex-direction: column; align-items: flex-start; gap: 4px; }
  .footer-inner { flex-direction: column; gap: 12px; text-align: center; }
  .hero-gradient { width: 400px; height: 400px; top: -100px; right: -100px; }
}

@media (max-width: 480px) {
  .hero h1 { font-size: 2.2rem; }
  .numbers, .how, .pricing { padding: 64px 0; }
  .closing { padding: 80px 0; }
  .number-card { padding: 28px 20px; }
  .math-block { padding: 28px 20px; }
}