:root {
  --bg: #0a0a0c;
  --bg-subtle: #111114;
  --fg: #f0f0f2;
  --fg-muted: #8a8a96;
  --accent: #c8ff00;
  --accent-dim: rgba(200, 255, 0, 0.12);
  --card-bg: #15151a;
  --card-border: #222228;
  --font-heading: 'Space Grotesk', sans-serif;
  --font-body: 'DM Sans', sans-serif;
}

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

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

/* ====== NAV ====== */
.nav {
  padding: 2rem 3rem;
  position: relative;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.5rem;
  letter-spacing: -0.03em;
  color: var(--accent);
}

/* ====== NAV CTA ====== */
.hero-nav-cta {
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--accent);
  text-decoration: none;
  border: 1px solid rgba(200, 255, 0, 0.3);
  padding: 0.45rem 1.1rem;
  border-radius: 8px;
  background: var(--accent-dim);
  transition: background 0.2s;
}

.hero-nav-cta:hover { background: rgba(200, 255, 0, 0.2); }

/* ====== HERO ====== */
.hero {
  position: relative;
  min-height: 90vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.hero-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 0 3rem 6rem;
  max-width: 900px;
  position: relative;
  z-index: 2;
}

.hero-badge {
  display: inline-block;
  width: fit-content;
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--accent);
  background: var(--accent-dim);
  padding: 0.5rem 1.2rem;
  border-radius: 100px;
  border: 1px solid rgba(200, 255, 0, 0.2);
  margin-bottom: 2rem;
}

.hero h1 {
  font-family: var(--font-heading);
  font-size: clamp(3rem, 7vw, 5.5rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.04em;
  margin-bottom: 1.5rem;
}

.hero-sub {
  font-size: 1.25rem;
  color: var(--fg-muted);
  max-width: 580px;
  line-height: 1.7;
}

.hero-glow {
  position: absolute;
  top: 10%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(200, 255, 0, 0.06) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
  z-index: 1;
}

/* ====== SECTION LABEL ====== */
.section-label {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--accent);
  margin-bottom: 1rem;
}

/* ====== FEATURES ====== */
.features {
  padding: 6rem 3rem;
  background: var(--bg-subtle);
}

.features-header {
  margin-bottom: 4rem;
  max-width: 700px;
}

.features-header h2 {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4.5vw, 3.2rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
}

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

.feature-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 16px;
  padding: 2.5rem;
  transition: border-color 0.3s ease;
}

.feature-card:hover {
  border-color: rgba(200, 255, 0, 0.3);
}

.feature-number {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 1.5rem;
  letter-spacing: 0.05em;
}

.feature-card h3 {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 600;
  margin-bottom: 0.8rem;
  letter-spacing: -0.02em;
}

.feature-card p {
  color: var(--fg-muted);
  font-size: 1rem;
  line-height: 1.7;
}

/* ====== HOW / STATS ====== */
.how {
  padding: 6rem 3rem;
}

.how-header {
  margin-bottom: 4rem;
  max-width: 700px;
}

.how-header h2 {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4.5vw, 3.2rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
}

.stats-row {
  display: flex;
  align-items: center;
  gap: 3rem;
  padding: 3rem;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 16px;
}

.stat {
  flex: 1;
  text-align: center;
}

.stat-value {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.03em;
  line-height: 1;
  margin-bottom: 0.5rem;
}

.stat-label {
  color: var(--fg-muted);
  font-size: 0.95rem;
}

.stat-divider {
  width: 1px;
  height: 60px;
  background: var(--card-border);
}

/* ====== CLOSING ====== */
.closing {
  padding: 8rem 3rem;
  background: var(--bg-subtle);
  text-align: center;
}

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

.closing h2 {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.04em;
  margin-bottom: 1.5rem;
}

.closing-text {
  color: var(--fg-muted);
  font-size: 1.15rem;
  line-height: 1.8;
  margin-bottom: 3rem;
}

.closing-accent {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.03em;
  opacity: 0.4;
}

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

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-brand {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--fg-muted);
}

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

/* ====== RESPONSIVE ====== */
@media (max-width: 768px) {
  .nav {
    padding: 1.5rem;
  }

  .hero-content {
    padding: 0 1.5rem 4rem;
  }

  .hero-glow {
    width: 300px;
    height: 300px;
    top: 20%;
    right: -15%;
  }

  .features {
    padding: 4rem 1.5rem;
  }

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

  .how {
    padding: 4rem 1.5rem;
  }

  .stats-row {
    flex-direction: column;
    gap: 2rem;
    padding: 2rem;
  }

  .stat-divider {
    width: 60px;
    height: 1px;
  }

  .closing {
    padding: 5rem 1.5rem;
  }

  .footer {
    padding: 2rem 1.5rem;
  }

  .footer-inner {
    flex-direction: column;
    gap: 0.8rem;
    text-align: center;
  }
}