:root {
  --bg-primary: #0a0f1a;
  --bg-secondary: #111827;
  --bg-card: #1a2235;
  --bg-accent: #0d1929;
  --text-primary: #f0f2f5;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --accent: #3b82f6;
  --accent-warm: #f59e0b;
  --accent-green: #10b981;
  --border: rgba(148, 163, 184, 0.1);
  --gradient-hero: linear-gradient(180deg, #0a0f1a 0%, #111d33 50%, #0a0f1a 100%);
}

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

body {
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  line-height: 1.6;
  overflow-x: hidden;
}

h1, h2, h3 {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

/* HERO */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 120px 40px 80px;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: var(--gradient-hero);
  z-index: 0;
}

.mountain-shape {
  position: absolute;
  bottom: 0;
  left: -10%;
  width: 60%;
  height: 40%;
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.05) 0%, transparent 60%);
  clip-path: polygon(0 100%, 50% 10%, 100% 100%);
}

.mountain-shape-2 {
  position: absolute;
  bottom: 0;
  right: -5%;
  width: 50%;
  height: 35%;
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.04) 0%, transparent 60%);
  clip-path: polygon(0 100%, 45% 15%, 100% 100%);
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-block;
  padding: 6px 16px;
  border: 1px solid var(--accent);
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 32px;
}

.hero h1 {
  font-size: clamp(2.8rem, 6vw, 5rem);
  color: var(--text-primary);
  margin-bottom: 24px;
}

.hero-sub {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 560px;
  line-height: 1.7;
}

.hero-stat-row {
  position: relative;
  z-index: 1;
  display: flex;
  gap: 48px;
  max-width: 800px;
  margin: 64px auto 0;
  padding-top: 40px;
  border-top: 1px solid var(--border);
}

.hero-stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.stat-num {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent-warm);
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  max-width: 180px;
}

/* PROBLEM */
.problem {
  padding: 120px 40px;
  background: var(--bg-secondary);
}

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

.section-label {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--accent);
  margin-bottom: 16px;
}

.problem h2 {
  font-size: clamp(2rem, 4vw, 3.2rem);
  margin-bottom: 56px;
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.problem-card {
  padding: 32px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
}

.problem-icon {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent-warm);
  margin-bottom: 20px;
  opacity: 0.8;
}

.problem-card h3 {
  font-size: 1.15rem;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.problem-card p {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* FEATURES */
.features {
  padding: 120px 40px;
  background: var(--bg-primary);
}

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

.features h2 {
  font-size: clamp(2rem, 4vw, 3.2rem);
  margin-bottom: 56px;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.feature-block {
  padding: 36px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  transition: border-color 0.3s;
}

.feature-block:hover {
  border-color: rgba(59, 130, 246, 0.3);
}

.feature-large {
  grid-column: span 2;
  background: linear-gradient(135deg, var(--bg-card) 0%, var(--bg-accent) 100%);
  border-color: rgba(59, 130, 246, 0.15);
}

.feature-tag {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent-green);
  background: rgba(16, 185, 129, 0.1);
  padding: 4px 10px;
  border-radius: 4px;
  margin-bottom: 16px;
}

.feature-block h3 {
  font-size: 1.4rem;
  margin-bottom: 10px;
}

.feature-block p {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.65;
  max-width: 600px;
}

/* HOW IT WORKS */
.how {
  padding: 120px 40px;
  background: var(--bg-secondary);
}

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

.how h2 {
  font-size: clamp(2rem, 4vw, 3.2rem);
  margin-bottom: 64px;
}

.how-steps {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.how-step {
  display: flex;
  gap: 32px;
  align-items: flex-start;
  padding: 24px 0;
}

.step-number {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--accent);
  min-width: 40px;
  padding-top: 4px;
}

.step-content h3 {
  font-size: 1.25rem;
  margin-bottom: 8px;
}

.step-content p {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

.step-divider {
  height: 1px;
  background: var(--border);
  margin-left: 72px;
}

/* CLOSING */
.closing {
  padding: 140px 40px;
  background: var(--bg-primary);
  text-align: center;
  position: relative;
}

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

.closing h2 {
  font-size: clamp(2rem, 4vw, 3.2rem);
  margin-bottom: 24px;
}

.closing-text {
  font-size: 1.1rem;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 40px;
}

.closing-accent {
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent-warm));
  border-radius: 2px;
  margin: 0 auto;
}

/* FOOTER */
.site-footer {
  padding: 48px 40px;
  border-top: 1px solid var(--border);
  background: var(--bg-primary);
}

.footer-inner {
  max-width: 1000px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-brand {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
}

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

/* RESPONSIVE */
@media (max-width: 768px) {
  .hero {
    padding: 100px 24px 60px;
    min-height: auto;
  }

  .hero-stat-row {
    flex-direction: column;
    gap: 24px;
  }

  .problem,
  .features,
  .how,
  .closing {
    padding: 80px 24px;
  }

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

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

  .feature-large {
    grid-column: span 1;
  }

  .how-step {
    flex-direction: column;
    gap: 12px;
  }

  .step-divider {
    margin-left: 0;
  }

  .footer-inner {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }

  .site-footer {
    padding: 32px 24px;
  }
}