:root {
  --bg-primary: #0a0f0a;
  --bg-secondary: #111a11;
  --bg-card: #162016;
  --text-primary: #e8f0e8;
  --text-secondary: #8fa88f;
  --accent: #4ade80;
  --accent-dim: #22c55e;
  --accent-glow: rgba(74, 222, 128, 0.15);
  --border: #1e2e1e;
  --radius: 12px;
}

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

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

h1, h2, h3, h4 {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  line-height: 1.1;
}

/* HERO */
.hero {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: center;
  padding: 120px 24px 80px;
  overflow: hidden;
}

.hero-inner {
  max-width: 800px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
}

.hero-badge {
  display: inline-block;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 2px;
  color: var(--accent);
  background: var(--accent-glow);
  border: 1px solid rgba(74, 222, 128, 0.3);
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: 32px;
}

.hero h1 {
  font-size: clamp(2.8rem, 7vw, 5rem);
  margin-bottom: 24px;
  letter-spacing: -0.03em;
}

.lede {
  font-size: clamp(1.1rem, 2.5vw, 1.35rem);
  color: var(--text-secondary);
  max-width: 640px;
  margin-bottom: 48px;
  line-height: 1.7;
}

.hero-stat {
  display: flex;
  align-items: baseline;
  gap: 16px;
  padding: 24px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  max-width: 520px;
}

.stat-number {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 3rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
}

.stat-label {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.hero-gradient {
  position: absolute;
  top: -200px;
  right: -200px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(74, 222, 128, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

/* PROBLEM */
.problem {
  padding: 100px 24px;
  background: var(--bg-secondary);
}

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

.problem h2 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  margin-bottom: 48px;
  letter-spacing: -0.02em;
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

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

.problem-icon {
  font-size: 2rem;
  margin-bottom: 16px;
}

.problem-card h3 {
  font-size: 1.2rem;
  margin-bottom: 8px;
}

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

/* FEATURES */
.features {
  padding: 100px 24px;
}

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

.features-header {
  margin-bottom: 64px;
}

.features-header h2 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}

.features-sub {
  color: var(--text-secondary);
  font-size: 1.1rem;
}

.features-list {
  display: flex;
  flex-direction: column;
  gap: 48px;
}

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

.feature-number {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent);
  padding-top: 4px;
  min-width: 32px;
}

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

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

/* HOW / COMPARISON */
.how {
  padding: 100px 24px;
  background: var(--bg-secondary);
}

.how-inner {
  max-width: 900px;
  margin: 0 auto;
}

.how h2 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}

.how-sub {
  color: var(--text-secondary);
  font-size: 1.05rem;
  margin-bottom: 48px;
  max-width: 700px;
}

.comparison {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.comparison-col {
  padding: 32px;
  border-radius: var(--radius);
}

.comparison-col.old {
  background: var(--bg-card);
  border: 1px solid var(--border);
}

.comparison-col.new {
  background: var(--accent-glow);
  border: 1px solid rgba(74, 222, 128, 0.3);
}

.comparison-label {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: 20px;
}

.comparison-col.new .comparison-label {
  color: var(--accent);
}

.comparison-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.comparison-col ul li {
  font-size: 0.95rem;
  color: var(--text-secondary);
  padding-left: 20px;
  position: relative;
}

.comparison-col.old ul li::before {
  content: '\2715';
  position: absolute;
  left: 0;
  color: #ef4444;
  font-size: 0.8rem;
}

.comparison-col.new ul li::before {
  content: '\2713';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-size: 0.9rem;
}

.comparison-col.new ul li {
  color: var(--text-primary);
}

/* CLOSING */
.closing {
  padding: 120px 24px;
  text-align: center;
}

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

.closing h2 {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}

.closing-text {
  color: var(--text-secondary);
  font-size: 1.1rem;
  line-height: 1.8;
}

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

.footer-brand {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 4px;
}

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

/* RESPONSIVE */
@media (max-width: 768px) {
  .hero {
    min-height: auto;
    padding: 80px 20px 60px;
  }

  .hero-stat {
    flex-direction: column;
    gap: 8px;
  }

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

  .feature-item {
    flex-direction: column;
    gap: 8px;
  }

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