:root {
  --bg: #0a0a0f;
  --bg-elevated: #12121a;
  --bg-card: #18182a;
  --fg: #e8e8f0;
  --fg-muted: #8888a0;
  --accent: #c4f0ff;
  --accent-glow: rgba(196, 240, 255, 0.15);
  --accent-secondary: #a78bfa;
  --border: rgba(255,255,255,0.06);
  --font-display: 'Space Grotesk', sans-serif;
  --font-mono: 'DM Mono', monospace;
}

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

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

/* ===== HERO ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 4rem 2rem;
  position: relative;
  background:
    radial-gradient(ellipse 60% 50% at 50% 0%, rgba(196,240,255,0.06) 0%, transparent 70%),
    var(--bg);
}

.hero-grid {
  max-width: 880px;
  text-align: center;
}

.hero-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  color: var(--accent);
  border: 1px solid rgba(196,240,255,0.2);
  padding: 0.4rem 1.2rem;
  border-radius: 100px;
  margin-bottom: 2.5rem;
}

.hero h1 {
  font-size: clamp(2.2rem, 5.5vw, 4.2rem);
  font-weight: 600;
  line-height: 1.15;
  margin-bottom: 1.5rem;
  letter-spacing: -0.02em;
}

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

.hero-sub {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--fg-muted);
  max-width: 620px;
  margin: 0 auto 3rem;
  line-height: 1.7;
}

.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2.5rem;
  margin-top: 1rem;
}

.stat {
  text-align: center;
}

.stat-number {
  display: block;
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--accent);
  font-family: var(--font-mono);
}

.stat-label {
  display: block;
  font-size: 0.75rem;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: 0.3rem;
  line-height: 1.4;
}

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

/* ===== PROBLEM ===== */
.problem {
  padding: 6rem 2rem;
  background: var(--bg-elevated);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

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

.problem-eyebrow,
.features-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  color: var(--accent-secondary);
  margin-bottom: 1.5rem;
  text-transform: uppercase;
}

.problem h2 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: 3rem;
  letter-spacing: -0.01em;
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-bottom: 3rem;
}

.problem-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2rem 1.5rem;
}

.problem-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 8px;
  background: var(--accent-glow);
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.problem-card h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.6rem;
}

.problem-card p {
  font-size: 0.9rem;
  color: var(--fg-muted);
  line-height: 1.6;
}

.problem-answer {
  font-size: 1.2rem;
  color: var(--fg-muted);
  text-align: center;
}

.problem-answer strong {
  color: var(--accent);
}

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

.features-inner {
  max-width: 760px;
  margin: 0 auto;
}

.feature-row {
  display: flex;
  gap: 2rem;
  padding: 2.5rem 0;
  border-bottom: 1px solid var(--border);
  align-items: flex-start;
}

.feature-row:last-child {
  border-bottom: none;
}

.feature-number {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--accent);
  opacity: 0.6;
  min-width: 40px;
  padding-top: 0.2rem;
}

.feature-content h3 {
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 0.6rem;
}

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

/* ===== CLOSING ===== */
.closing {
  padding: 8rem 2rem;
  text-align: center;
  background:
    radial-gradient(ellipse 50% 60% at 50% 100%, rgba(167,139,250,0.08) 0%, transparent 70%),
    var(--bg);
}

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

.closing h2 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: 1.5rem;
  letter-spacing: -0.01em;
}

.closing-sub {
  font-size: 1.1rem;
  color: var(--fg-muted);
  line-height: 1.7;
  margin-bottom: 2rem;
}

.closing-tagline {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--accent);
  letter-spacing: 0.1em;
}

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

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

.footer-logo {
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: -0.01em;
}

.footer-copy {
  font-size: 0.8rem;
  color: var(--fg-muted);
}

/* ===== CTA BUTTON ===== */
.hero-cta {
  margin-bottom: 2.5rem;
}

.closing-cta {
  margin-bottom: 2rem;
}

.cta-btn {
  display: inline-block;
  background: var(--accent);
  color: #0a0a0f;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
  padding: 0.85rem 2.2rem;
  border-radius: 10px;
  text-decoration: none;
  letter-spacing: -0.01em;
  transition: opacity 0.15s, transform 0.15s;
}

.cta-btn:hover {
  opacity: 0.88;
  transform: translateY(-1px);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .problem-grid {
    grid-template-columns: 1fr;
  }

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

  .stat-divider {
    width: 48px;
    height: 1px;
  }

  .feature-row {
    flex-direction: column;
    gap: 0.5rem;
  }

  .hero {
    padding: 3rem 1.5rem;
    min-height: auto;
    padding-top: 6rem;
  }

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

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

@media (max-width: 480px) {
  .hero h1 {
    font-size: 1.8rem;
  }

  .problem h2,
  .closing h2 {
    font-size: 1.5rem;
  }
}