:root {
  --bg-primary: #0a0f14;
  --bg-secondary: #111820;
  --bg-card: #161e28;
  --bg-card-alt: #0d1319;
  --fg-primary: #e8edf2;
  --fg-secondary: #8a96a3;
  --fg-muted: #5a6672;
  --accent: #2dd4a8;
  --accent-dim: rgba(45, 212, 168, 0.12);
  --accent-glow: rgba(45, 212, 168, 0.06);
  --border: rgba(255, 255, 255, 0.06);
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'DM Sans', sans-serif;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

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

/* ========== HERO ========== */
.hero {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 6rem 2rem 4rem;
  overflow: hidden;
}

.hero-inner {
  max-width: 860px;
  position: relative;
  z-index: 2;
}

.hero-badge {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-dim);
  padding: 0.5rem 1.2rem;
  border-radius: 100px;
  border: 1px solid rgba(45, 212, 168, 0.2);
  margin-bottom: 2rem;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 6vw, 4.2rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
  color: var(--fg-primary);
}

.hero h1 .highlight {
  color: var(--accent);
  font-style: italic;
}

.lede {
  font-size: 1.15rem;
  line-height: 1.7;
  color: var(--fg-secondary);
  max-width: 620px;
  margin-bottom: 3.5rem;
}

.hero-stats {
  display: flex;
  align-items: flex-start;
  gap: 2rem;
  flex-wrap: wrap;
}

.stat {
  flex: 1;
  min-width: 140px;
}

.stat-number {
  display: block;
  font-family: var(--font-display);
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.02em;
  line-height: 1;
  margin-bottom: 0.5rem;
}

.stat-label {
  display: block;
  font-size: 0.85rem;
  color: var(--fg-muted);
  line-height: 1.5;
}

.stat-divider {
  width: 1px;
  height: 60px;
  background: var(--border);
  flex-shrink: 0;
  align-self: center;
}

.hero-gradient {
  position: absolute;
  top: -20%;
  right: -15%;
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, rgba(45, 212, 168, 0.05) 0%, transparent 70%);
  pointer-events: none;
  z-index: 1;
}

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

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

.problem-label,
.features-label {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
}

.problem h2 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--fg-primary);
  margin-bottom: 3rem;
  max-width: 600px;
}

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

.problem-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2rem;
  transition: border-color 0.2s;
}

.problem-card:hover {
  border-color: rgba(45, 212, 168, 0.15);
}

.problem-icon {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 1.2rem;
  opacity: 0.7;
}

.problem-card h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--fg-primary);
  margin-bottom: 0.75rem;
  letter-spacing: -0.01em;
}

.problem-card p {
  font-size: 0.9rem;
  color: var(--fg-secondary);
  line-height: 1.65;
}

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

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

.feature-blocks {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-top: 2.5rem;
}

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

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

.feature-number {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent);
  min-width: 40px;
  padding-top: 0.2rem;
  opacity: 0.6;
}

.feature-content h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--fg-primary);
  margin-bottom: 0.6rem;
  letter-spacing: -0.01em;
}

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

/* ========== CLOSING ========== */
.closing {
  padding: 7rem 2rem;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  text-align: center;
}

.closing-inner {
  max-width: 680px;
  margin: 0 auto;
}

.closing h2 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 4vw, 2.6rem);
  font-weight: 700;
  letter-spacing: -0.025em;
  color: var(--fg-primary);
  margin-bottom: 1.5rem;
  line-height: 1.15;
}

.closing-text {
  font-size: 1.05rem;
  color: var(--fg-secondary);
  line-height: 1.75;
  margin-bottom: 2.5rem;
}

.closing-founder {
  display: inline-block;
  background: var(--accent-dim);
  border: 1px solid rgba(45, 212, 168, 0.15);
  border-radius: 8px;
  padding: 1rem 1.5rem;
}

.closing-founder p {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--accent);
  font-style: italic;
}

/* ========== FOOTER ========== */
.site-footer {
  padding: 3rem 2rem;
  border-top: 1px solid var(--border);
  text-align: center;
}

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

.footer-brand {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--fg-primary);
  margin-bottom: 0.3rem;
}

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

/* ========== RESPONSIVE ========== */
@media (max-width: 768px) {
  .hero {
    min-height: auto;
    padding: 4rem 1.5rem 3rem;
  }

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

  .stat-divider {
    display: none;
  }

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

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

  .feature-block {
    flex-direction: column;
    gap: 0.75rem;
  }

  .feature-number {
    min-width: auto;
  }
}