:root {
  --bg-dark: #0a0a0f;
  --bg-card: #12121a;
  --bg-accent: #1a1a2e;
  --fg: #e8e6e3;
  --fg-muted: #8a8a9a;
  --accent-lime: #c8ff00;
  --accent-purple: #a855f7;
  --accent-blue: #38bdf8;
  --gradient-1: linear-gradient(135deg, #c8ff00, #38bdf8);
  --gradient-2: linear-gradient(135deg, #a855f7, #c8ff00);
  --radius: 16px;
  --space-xs: 8px;
  --space-sm: 16px;
  --space-md: 32px;
  --space-lg: 64px;
  --space-xl: 96px;
  --space-2xl: 128px;
}

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

body {
  background: var(--bg-dark);
  color: var(--fg);
  font-family: 'DM Sans', sans-serif;
  font-size: 17px;
  line-height: 1.6;
  overflow-x: hidden;
}

/* --- HERO --- */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: var(--space-xl) var(--space-md);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -200px;
  right: -200px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(200, 255, 0, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -100px;
  left: -100px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(168, 85, 247, 0.06) 0%, transparent 70%);
  pointer-events: none;
}

.hero-inner {
  max-width: 900px;
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-block;
  background: var(--bg-accent);
  border: 1px solid rgba(200, 255, 0, 0.2);
  color: var(--accent-lime);
  font-family: 'Space Grotesk', sans-serif;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: var(--space-md);
}

.hero h1 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(3rem, 7vw, 5.5rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-md);
}

.hero h1 .highlight {
  background: var(--gradient-1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: 1.25rem;
  color: var(--fg-muted);
  max-width: 560px;
  line-height: 1.7;
}

/* --- PROBLEM --- */
.problem {
  padding: var(--space-xl) var(--space-md);
  max-width: 1100px;
  margin: 0 auto;
}

.problem-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

.problem-card {
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.05);
  border-radius: var(--radius);
  padding: var(--space-md) var(--space-md) var(--space-md);
  position: relative;
  overflow: hidden;
}

.problem-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
}

.problem-card:nth-child(1)::before {
  background: var(--gradient-1);
}

.problem-card:nth-child(2)::before {
  background: var(--gradient-2);
}

.problem-card .label {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--fg-muted);
  margin-bottom: var(--space-sm);
}

.problem-card h3 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: var(--space-sm);
  line-height: 1.3;
}

.problem-card p {
  color: var(--fg-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* --- FEATURES --- */
.features {
  padding: var(--space-2xl) var(--space-md) var(--space-xl);
  max-width: 1100px;
  margin: 0 auto;
}

.features-header {
  margin-bottom: var(--space-lg);
}

.features-header h2 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-sm);
}

.features-header p {
  color: var(--fg-muted);
  font-size: 1.1rem;
  max-width: 500px;
}

.features-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

.feature-item {
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.05);
  border-radius: var(--radius);
  padding: var(--space-md);
  transition: border-color 0.3s;
}

.feature-item:hover {
  border-color: rgba(200, 255, 0, 0.15);
}

.feature-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin-bottom: var(--space-sm);
}

.feature-icon.lime { background: rgba(200, 255, 0, 0.1); }
.feature-icon.purple { background: rgba(168, 85, 247, 0.1); }
.feature-icon.blue { background: rgba(56, 189, 248, 0.1); }

.feature-item h4 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: var(--space-xs);
}

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

/* --- NUMBERS --- */
.numbers {
  padding: var(--space-xl) var(--space-md);
  max-width: 1100px;
  margin: 0 auto;
}

.numbers-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid rgba(255,255,255,0.06);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  padding: var(--space-lg) 0;
}

.number-stat {
  text-align: center;
  flex: 1;
}

.number-stat .value {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  background: var(--gradient-1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.2;
}

.number-stat .desc {
  font-size: 0.85rem;
  color: var(--fg-muted);
  margin-top: 4px;
}

/* --- CLOSING --- */
.closing {
  padding: var(--space-2xl) var(--space-md) var(--space-xl);
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
}

.closing h2 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-sm);
}

.closing p {
  color: var(--fg-muted);
  font-size: 1.1rem;
  line-height: 1.7;
}

/* --- FOOTER --- */
.footer {
  padding: var(--space-lg) var(--space-md) var(--space-md);
  text-align: center;
  border-top: 1px solid rgba(255,255,255,0.04);
}

.footer-logo {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: var(--space-xs);
}

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

/* --- RESPONSIVE --- */
@media (max-width: 768px) {
  .problem-grid {
    grid-template-columns: 1fr;
  }
  .features-list {
    grid-template-columns: 1fr;
  }
  .numbers-row {
    flex-direction: column;
    gap: var(--space-md);
  }
  .hero {
    padding: var(--space-lg) var(--space-sm);
  }
  .problem,
  .features,
  .numbers,
  .closing {
    padding-left: var(--space-sm);
    padding-right: var(--space-sm);
  }
}