:root {
  --bg: #0a0f0a;
  --bg-elevated: #121a12;
  --bg-card: #1a241a;
  --fg: #e8ede8;
  --fg-muted: #8a9a8a;
  --accent: #c4f542;
  --accent-dim: #8ab02e;
  --amber: #f5a623;
  --border: #2a3a2a;
  --radius: 12px;
  --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;
}

/* ---- HERO ---- */
.hero {
  min-height: 90vh;
  display: flex;
  align-items: center;
  padding: 120px 40px 80px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -200px;
  right: -200px;
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(196,245,66,0.06) 0%, transparent 70%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -100px;
  left: -100px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(245,166,35,0.04) 0%, transparent 70%);
  pointer-events: none;
}

.hero-grid {
  max-width: 900px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 3px;
  color: var(--accent);
  border: 1px solid rgba(196,245,66,0.25);
  padding: 8px 18px;
  border-radius: 100px;
  margin-bottom: 40px;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 6vw, 5rem);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.03em;
  margin-bottom: 28px;
}

.hero h1 .accent {
  color: var(--accent);
}

.lede {
  font-size: 1.15rem;
  color: var(--fg-muted);
  max-width: 620px;
  line-height: 1.7;
  margin-bottom: 56px;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 32px;
  padding-top: 40px;
  border-top: 1px solid var(--border);
}

.stat-value {
  display: block;
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--fg);
}

.stat-label {
  display: block;
  font-size: 0.8rem;
  color: var(--fg-muted);
  letter-spacing: 0.5px;
  margin-top: 4px;
}

.stat-divider {
  width: 1px;
  height: 48px;
  background: var(--border);
}

/* ---- METRICS ---- */
.metrics {
  padding: 100px 40px;
  background: var(--bg-elevated);
}

.metrics-inner {
  max-width: 1000px;
  margin: 0 auto;
}

.metrics-header {
  margin-bottom: 60px;
}

.metrics-header h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.metrics-header p {
  color: var(--fg-muted);
  font-size: 1.05rem;
  max-width: 520px;
}

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

.metric-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 28px;
}

.metric-icon {
  font-size: 1.6rem;
  margin-bottom: 20px;
  opacity: 0.7;
}

.metric-number {
  font-family: var(--font-display);
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 12px;
}

.metric-unit {
  font-size: 1rem;
  color: var(--fg-muted);
  font-weight: 500;
}

.metric-desc {
  color: var(--fg-muted);
  font-size: 0.92rem;
  line-height: 1.6;
}

/* ---- HOW ---- */
.how {
  padding: 100px 40px;
}

.how-inner {
  max-width: 800px;
  margin: 0 auto;
}

.how-label {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 3px;
  color: var(--accent-dim);
  margin-bottom: 24px;
}

.how h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 60px;
  line-height: 1.2;
}

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

.step {
  display: flex;
  gap: 32px;
  padding: 36px 0;
  border-top: 1px solid var(--border);
}

.step:last-child {
  border-bottom: 1px solid var(--border);
}

.step-num {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent-dim);
  min-width: 36px;
  padding-top: 2px;
}

.step-content h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.step-content p {
  color: var(--fg-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* ---- ADVANTAGES ---- */
.advantages {
  padding: 100px 40px;
  background: var(--bg-elevated);
}

.advantages-inner {
  max-width: 1000px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.adv-left h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
  line-height: 1.15;
}

.adv-sub {
  color: var(--fg-muted);
  font-size: 1.02rem;
  line-height: 1.7;
}

.adv-right {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.adv-item {
  padding: 28px 0;
  border-top: 1px solid var(--border);
}

.adv-item:last-child {
  border-bottom: 1px solid var(--border);
}

.adv-title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.adv-desc {
  color: var(--fg-muted);
  font-size: 0.92rem;
  line-height: 1.65;
}

/* ---- CLOSING ---- */
.closing {
  padding: 120px 40px;
  text-align: center;
}

.closing-inner {
  max-width: 750px;
  margin: 0 auto;
}

.closing-line {
  width: 60px;
  height: 3px;
  background: var(--accent);
  margin: 0 auto 48px;
  border-radius: 2px;
}

.closing h2 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
}

.closing-sub {
  color: var(--fg-muted);
  font-size: 1.05rem;
  line-height: 1.7;
}

/* ---- FOOTER ---- */
.site-footer {
  padding: 48px 40px;
  border-top: 1px solid var(--border);
}

.footer-inner {
  max-width: 1000px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-brand {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--fg);
}

.footer-note {
  font-size: 0.82rem;
  color: var(--fg-muted);
}

/* ---- RESPONSIVE ---- */
@media (max-width: 768px) {
  .hero {
    padding: 80px 24px 60px;
    min-height: auto;
  }

  .hero-stats {
    flex-direction: column;
    align-items: flex-start;
    gap: 24px;
  }

  .stat-divider {
    display: none;
  }

  .metrics { padding: 60px 24px; }

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

  .how { padding: 60px 24px; }

  .step {
    flex-direction: column;
    gap: 8px;
  }

  .advantages { padding: 60px 24px; }

  .advantages-inner {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .closing { padding: 80px 24px; }

  .site-footer { padding: 32px 24px; }

  .footer-inner {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }
}