:root {
  --bg: #0a0a0c;
  --bg-elevated: #131318;
  --bg-card: #1a1a22;
  --fg: #e8e6e3;
  --fg-muted: #8a8a95;
  --accent: #22d966;
  --accent-dim: rgba(34, 217, 102, 0.12);
  --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);
  font-weight: 300;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

/* ===== HERO ===== */
.hero {
  min-height: 90vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 4rem 2rem;
  position: relative;
  overflow: hidden;
  background: radial-gradient(ellipse 80% 60% at 50% 20%, rgba(34, 217, 102, 0.06) 0%, transparent 70%);
}

.hero-badge {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-dim);
  padding: 0.5rem 1.25rem;
  border-radius: 100px;
  margin-bottom: 2.5rem;
  border: 1px solid rgba(34, 217, 102, 0.2);
}

.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;
  max-width: 700px;
  margin-bottom: 1.5rem;
}

.hero-sub {
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  color: var(--fg-muted);
  max-width: 520px;
  line-height: 1.7;
  margin-bottom: 3.5rem;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 2rem;
  padding: 1.5rem 2.5rem;
  background: var(--bg-elevated);
  border-radius: 16px;
  border: 1px solid rgba(255,255,255,0.06);
}

.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
}

.stat-num {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent);
}

.stat-label {
  font-size: 0.8rem;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.stat-divider {
  width: 1px;
  height: 36px;
  background: rgba(255,255,255,0.08);
}

/* ===== HOW ===== */
.how {
  padding: 6rem 2rem;
  background: var(--bg-elevated);
}

.how-inner {
  max-width: 960px;
  margin: 0 auto;
}

.how h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 3.5rem;
  text-align: center;
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.5rem;
}

.step {
  padding: 2rem;
  border-radius: 14px;
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.04);
  transition: border-color 0.3s;
}

.step:hover {
  border-color: rgba(34, 217, 102, 0.2);
}

.step-number {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 700;
  color: rgba(34, 217, 102, 0.2);
  margin-bottom: 1rem;
}

.step h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}

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

/* ===== FEATURES ===== */
.features {
  padding: 6rem 2rem;
}

.features-inner {
  max-width: 960px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

.feature-block {
  padding: 2.25rem;
  border-radius: 14px;
  background: var(--bg-elevated);
  border: 1px solid rgba(255,255,255,0.04);
  transition: transform 0.25s, border-color 0.3s;
}

.feature-block:hover {
  transform: translateY(-3px);
  border-color: rgba(34, 217, 102, 0.15);
}

.feature-icon {
  color: var(--accent);
  font-size: 1.25rem;
  margin-bottom: 1rem;
}

.feature-block h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.6rem;
}

.feature-block p {
  font-size: 0.95rem;
  color: var(--fg-muted);
  line-height: 1.65;
}

/* ===== CLOSING ===== */
.closing {
  padding: 7rem 2rem;
  text-align: center;
  background: radial-gradient(ellipse 70% 50% at 50% 80%, rgba(34, 217, 102, 0.05) 0%, transparent 70%);
}

.closing-inner {
  max-width: 640px;
  margin: 0 auto;
}

.closing h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
  line-height: 1.1;
}

.closing p {
  font-size: 1.05rem;
  color: var(--fg-muted);
  line-height: 1.75;
}

/* ===== FOOTER ===== */
.site-footer {
  padding: 3rem 2rem;
  border-top: 1px solid rgba(255,255,255,0.05);
}

.footer-inner {
  max-width: 960px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-brand {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
}

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

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .hero {
    min-height: 80vh;
    padding: 3rem 1.5rem;
  }

  .hero-stats {
    flex-direction: column;
    gap: 1rem;
    padding: 1.25rem 1.5rem;
  }

  .stat-divider {
    width: 40px;
    height: 1px;
  }

  .steps {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

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

  .footer-inner {
    flex-direction: column;
    gap: 0.75rem;
    text-align: center;
  }

  .how,
  .features {
    padding: 4rem 1.5rem;
  }

  .closing {
    padding: 5rem 1.5rem;
  }
}