:root {
  --bg: #0C0C0E;
  --bg-elevated: #16161A;
  --bg-card: #1C1C22;
  --fg: #EEEEF0;
  --fg-muted: #9494A0;
  --fg-dim: #5C5C6A;
  --accent: #F59E0B;
  --accent-light: #FBBF24;
  --accent-glow: rgba(245, 158, 11, 0.15);
  --success: #34D399;
  --radius: 12px;
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'DM Sans', sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 17px;
  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: 80px 24px 60px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
}

.hero-badge {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 3px;
  color: var(--accent);
  background: var(--accent-glow);
  border: 1px solid rgba(245, 158, 11, 0.25);
  padding: 8px 20px;
  border-radius: 100px;
  margin-bottom: 40px;
  position: relative;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(48px, 8vw, 88px);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -2px;
  margin-bottom: 24px;
  position: relative;
}

.lede {
  font-size: 19px;
  color: var(--fg-muted);
  max-width: 560px;
  line-height: 1.7;
  margin-bottom: 32px;
  position: relative;
}

.hero-cta {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  background: var(--accent);
  color: #0C0C0E;
  text-decoration: none;
  padding: 14px 32px;
  border-radius: 100px;
  margin-bottom: 48px;
  position: relative;
  letter-spacing: 0.2px;
  transition: background 0.15s, transform 0.1s;
}

.hero-cta:hover { background: var(--accent-light); transform: translateY(-1px); }

.hero-stats {
  display: flex;
  align-items: center;
  gap: 40px;
  position: relative;
}

.stat { text-align: center; }

.stat-number {
  display: block;
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 700;
  color: var(--accent-light);
}

.stat-label {
  font-size: 13px;
  color: var(--fg-dim);
  letter-spacing: 0.5px;
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--fg-dim);
  opacity: 0.3;
}

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

.problem-inner {
  max-width: 1080px;
  margin: 0 auto;
}

.problem h2 {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 700;
  letter-spacing: -1px;
  margin-bottom: 56px;
  max-width: 600px;
}

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

.problem-card {
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius);
  padding: 36px 28px;
  transition: border-color 0.2s;
}

.problem-card:hover {
  border-color: rgba(245, 158, 11, 0.3);
}

.problem-icon {
  font-size: 28px;
  margin-bottom: 16px;
}

.problem-card h3 {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 12px;
}

.problem-card p {
  font-size: 15px;
  color: var(--fg-muted);
  line-height: 1.65;
}

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

.features-inner {
  max-width: 860px;
  margin: 0 auto;
}

.section-label {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 3px;
  color: var(--accent);
  margin-bottom: 16px;
}

.features h2 {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 700;
  letter-spacing: -1px;
  margin-bottom: 64px;
}

.feature-blocks {
  display: flex;
  flex-direction: column;
  gap: 48px;
}

.feature-block {
  display: flex;
  gap: 32px;
  align-items: flex-start;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.feature-block:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.feature-number {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 600;
  color: var(--accent);
  background: var(--accent-glow);
  border-radius: 8px;
  min-width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.feature-content h3 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 10px;
}

.feature-content p {
  font-size: 16px;
  color: var(--fg-muted);
  line-height: 1.7;
}

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

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

.how h2 {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 700;
  letter-spacing: -1px;
  margin-bottom: 20px;
}

.how-text {
  font-size: 17px;
  color: var(--fg-muted);
  max-width: 680px;
  line-height: 1.7;
  margin-bottom: 56px;
}

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

.how-column {
  border-radius: var(--radius);
  padding: 32px 28px;
}

.how-column.old {
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.06);
}

.how-column.new {
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.1) 0%, rgba(245, 158, 11, 0.03) 100%);
  border: 1px solid rgba(245, 158, 11, 0.2);
}

.how-column-header {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 1px;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.how-column.old .how-column-header { color: var(--fg-dim); }
.how-column.new .how-column-header { color: var(--accent-light); }

.how-column ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.how-column.old li {
  font-size: 15px;
  color: var(--fg-dim);
  padding-left: 20px;
  position: relative;
}

.how-column.old li::before {
  content: '\2013';
  position: absolute;
  left: 0;
  color: var(--fg-dim);
}

.how-column.new li {
  font-size: 15px;
  color: var(--fg);
  padding-left: 24px;
  position: relative;
}

.how-column.new li::before {
  content: '\2713';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 700;
}

/* ===== CLOSING ===== */
.closing {
  padding: 120px 24px;
  text-align: center;
  background: var(--bg-elevated);
  position: relative;
  overflow: hidden;
}

.closing::before {
  content: '';
  position: absolute;
  bottom: -300px;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
}

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

.closing h2 {
  font-family: var(--font-display);
  font-size: clamp(26px, 4vw, 38px);
  font-weight: 700;
  letter-spacing: -1px;
  line-height: 1.25;
  margin-bottom: 24px;
}

.closing-text {
  font-size: 17px;
  color: var(--fg-muted);
  line-height: 1.7;
}

/* ===== FOOTER ===== */
.site-footer {
  padding: 40px 24px;
  border-top: 1px solid rgba(255,255,255,0.06);
}

.footer-inner {
  max-width: 1080px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-brand {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
}

.footer-text {
  font-size: 13px;
  color: var(--fg-dim);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .problem-grid {
    grid-template-columns: 1fr;
  }
  
  .hero-stats {
    flex-direction: column;
    gap: 24px;
  }
  
  .stat-divider {
    width: 40px;
    height: 1px;
  }
  
  .feature-block {
    flex-direction: column;
    gap: 16px;
  }
  
  .how-comparison {
    grid-template-columns: 1fr;
  }
  
  .footer-inner {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }
  
  .hero {
    min-height: auto;
    padding: 60px 20px 40px;
  }
  
  .problem, .features, .how {
    padding: 60px 20px;
  }
  
  .closing {
    padding: 80px 20px;
  }
}