:root {
  --bg: #0a0e17;
  --bg-elevated: #111827;
  --bg-card: #151c2c;
  --fg: #e8edf5;
  --fg-muted: #8894aa;
  --accent: #22d3a7;
  --accent-glow: rgba(34, 211, 167, 0.15);
  --accent-secondary: #6366f1;
  --border: rgba(255, 255, 255, 0.06);
  --radius: 12px;
  --font-display: '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;
  -webkit-font-smoothing: antialiased;
}

/* === HERO === */
.hero {
  min-height: 90vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 100px 24px 80px;
  background: radial-gradient(ellipse 80% 60% at 50% 0%, rgba(34, 211, 167, 0.08) 0%, transparent 60%),
              radial-gradient(ellipse 60% 40% at 80% 20%, rgba(99, 102, 241, 0.06) 0%, transparent 50%),
              var(--bg);
}

.hero-badge {
  display: inline-block;
  padding: 6px 16px;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid rgba(34, 211, 167, 0.25);
  border-radius: 100px;
  margin-bottom: 32px;
  font-family: var(--font-body);
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 5.5vw, 4.2rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
  max-width: 720px;
}

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

.lede {
  font-size: clamp(1rem, 1.8vw, 1.2rem);
  color: var(--fg-muted);
  max-width: 580px;
  margin-bottom: 36px;
  line-height: 1.7;
}

/* === HERO CTA === */
.hero-cta {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  margin-bottom: 48px;
}

.btn-primary {
  display: inline-block;
  padding: 15px 36px;
  background: var(--accent);
  color: #0a0e17;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  border-radius: 10px;
  text-decoration: none;
  transition: opacity 0.15s, transform 0.1s;
  box-shadow: 0 0 32px rgba(34, 211, 167, 0.2);
}

.btn-primary:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

.hero-cta-sub {
  font-size: 0.8rem;
  color: var(--fg-muted);
  opacity: 0.7;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 40px;
  padding: 28px 48px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.stat { text-align: center; }

.stat-number {
  display: block;
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--accent);
}

.stat-label {
  display: block;
  font-size: 0.75rem;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-top: 4px;
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border);
}

/* === PROBLEM === */
.problem {
  padding: 100px 24px;
}

.problem-inner {
  max-width: 1040px;
  margin: 0 auto;
}

.problem h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 48px;
  text-align: center;
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.problem-card {
  padding: 36px 28px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.problem-icon {
  font-size: 1.4rem;
  color: var(--accent);
  margin-bottom: 16px;
}

.problem-card h3 {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 8px;
}

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

/* === FEATURES === */
.features {
  padding: 100px 24px;
  background: var(--bg-elevated);
}

.features-header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 56px;
}

.section-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}

.features-header h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.features-sub {
  color: var(--fg-muted);
  font-size: 1.05rem;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  max-width: 1040px;
  margin: 0 auto;
}

.feature-card {
  padding: 32px 24px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color 0.2s;
}

.feature-card:hover {
  border-color: rgba(34, 211, 167, 0.2);
}

.feature-primary {
  grid-column: 1 / -1;
  background: linear-gradient(135deg, rgba(34, 211, 167, 0.08) 0%, var(--bg-card) 60%);
  border-color: rgba(34, 211, 167, 0.15);
  padding: 40px 32px;
}

.feature-primary h3 {
  font-size: 1.4rem;
}

.feature-primary p {
  max-width: 640px;
}

.feature-number {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 16px;
  opacity: 0.7;
}

.feature-card h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 10px;
}

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

/* === HOW IT WORKS === */
.how {
  padding: 100px 24px;
}

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

.how-inner .section-tag {
  display: block;
  text-align: center;
}

.how-inner h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 56px;
  text-align: center;
}

.steps {
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.step {
  display: flex;
  gap: 24px;
  align-items: flex-start;
}

.step-num {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--accent);
  background: var(--accent-glow);
  border: 1px solid rgba(34, 211, 167, 0.2);
  border-radius: 50%;
}

.step-content h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 6px;
}

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

/* === CLOSING === */
.closing {
  padding: 100px 24px;
  background: var(--bg-elevated);
  text-align: center;
}

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

.closing h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
}

.closing p {
  font-size: 1.05rem;
  color: var(--fg-muted);
  line-height: 1.7;
  margin-bottom: 20px;
}

.closing-emphasis {
  color: var(--accent) !important;
  font-weight: 600;
  font-size: 1.15rem !important;
  margin-top: 16px;
}

/* === FOOTER === */
.site-footer {
  padding: 48px 24px;
  border-top: 1px solid var(--border);
}

.footer-inner {
  max-width: 1040px;
  margin: 0 auto;
  text-align: center;
}

.footer-brand {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.footer-tagline {
  font-size: 0.85rem;
  color: var(--fg-muted);
  margin-bottom: 4px;
}

.footer-meta {
  font-size: 0.8rem;
  color: var(--fg-muted);
  opacity: 0.6;
}

/* === RESPONSIVE === */
@media (max-width: 768px) {
  .problem-grid {
    grid-template-columns: 1fr;
  }
  .features-grid {
    grid-template-columns: 1fr;
  }
  .feature-primary {
    grid-column: 1;
  }
  .hero-stats {
    flex-direction: column;
    gap: 20px;
    padding: 24px 32px;
  }
  .stat-divider {
    width: 40px;
    height: 1px;
  }
  .hero {
    min-height: auto;
    padding: 80px 20px 60px;
  }
}

@media (max-width: 480px) {
  .step {
    flex-direction: column;
    gap: 12px;
  }
}