:root {
  --bg: #0a0a0a;
  --fg: #f5f5f0;
  --accent: #c8ff00;
  --accent-dim: #a3cc00;
  --card-bg: #141414;
  --card-border: #2a2a2a;
  --muted: #888;
}

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

body {
  background: var(--bg);
  color: var(--fg);
  font-family: 'Space Grotesk', sans-serif;
  line-height: 1.6;
  overflow-x: hidden;
}

/* HERO */
.hero {
  min-height: 90vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 4rem 2rem;
  position: relative;
  background: radial-gradient(ellipse at 50% 80%, rgba(200, 255, 0, 0.06) 0%, transparent 60%);
}

.hero-badge {
  font-size: 0.75rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid var(--accent);
  padding: 0.4rem 1.2rem;
  border-radius: 2rem;
  margin-bottom: 2rem;
  font-weight: 500;
}

.hero h1 {
  font-family: 'Syne', sans-serif;
  font-size: clamp(4rem, 15vw, 12rem);
  font-weight: 800;
  line-height: 0.9;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
}

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

.tagline {
  font-size: clamp(1.1rem, 2.5vw, 1.5rem);
  color: var(--fg);
  max-width: 600px;
  font-weight: 500;
  margin-bottom: 1rem;
}

.hero-detail {
  font-size: 1rem;
  color: var(--muted);
  margin-top: 0.5rem;
}

/* STATS */
.stats {
  padding: 4rem 2rem;
  border-top: 1px solid var(--card-border);
  border-bottom: 1px solid var(--card-border);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
}

.stat-card {
  padding: 2rem 1rem;
}

.stat-number {
  font-family: 'Syne', sans-serif;
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 800;
  color: var(--accent);
  margin-bottom: 0.5rem;
}

.stat-label {
  font-size: 0.9rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* FEATURES */
.features {
  padding: 6rem 2rem;
  max-width: 1100px;
  margin: 0 auto;
}

.features h2 {
  font-family: 'Syne', sans-serif;
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 700;
  text-align: center;
  margin-bottom: 4rem;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.feature-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 1rem;
  padding: 2.5rem 2rem;
  transition: border-color 0.2s;
}

.feature-card:hover {
  border-color: var(--accent);
}

.feature-icon {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.feature-card h3 {
  font-family: 'Syne', sans-serif;
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.feature-card p {
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* CLOSING */
.closing {
  padding: 8rem 2rem;
  text-align: center;
  background: radial-gradient(ellipse at 50% 20%, rgba(200, 255, 0, 0.04) 0%, transparent 60%);
}

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

.closing h2 {
  font-family: 'Syne', sans-serif;
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 1.5rem;
}

.closing-sub {
  color: var(--muted);
  font-size: 1.1rem;
  line-height: 1.8;
}

/* FOOTER */
footer {
  padding: 3rem 2rem;
  border-top: 1px solid var(--card-border);
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-brand {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 1.2rem;
  letter-spacing: 0.05em;
}

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

.footer-links .sep {
  margin: 0 0.75rem;
  opacity: 0.4;
}

/* CTA BUTTON */
.btn-primary {
  background: var(--accent);
  color: #000;
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.05em;
  padding: 0.9rem 2.2rem;
  border-radius: 0.75rem;
  text-decoration: none;
  display: inline-block;
  transition: background 0.15s, transform 0.1s;
}
.btn-primary:hover {
  background: var(--accent-dim);
  transform: translateY(-2px);
}
.btn-primary:active { transform: scale(0.98); }

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

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

  .stat-card {
    padding: 1.5rem 1rem;
  }

  .features {
    padding: 4rem 1.5rem;
  }

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

  .closing {
    padding: 5rem 1.5rem;
  }

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