:root {
  --bg: #0a0c10;
  --bg-surface: #12151c;
  --bg-card: #181c25;
  --fg: #e8eaf0;
  --fg-muted: #8b91a0;
  --accent: #3dd68c;
  --accent-dim: rgba(61, 214, 140, 0.12);
  --accent-glow: rgba(61, 214, 140, 0.25);
  --warm: #f5a623;
  --radius: 12px;
  --radius-lg: 20px;
}

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

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

h1, h2, h3 {
  font-family: 'Space Grotesk', sans-serif;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

/* ===== HERO ===== */
.hero {
  min-height: 90vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 80px 24px;
  position: relative;
  background: radial-gradient(ellipse at 50% 0%, var(--accent-dim) 0%, transparent 60%);
}

.hero-badge {
  display: inline-block;
  padding: 6px 16px;
  background: var(--accent-dim);
  border: 1px solid var(--accent);
  border-radius: 100px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--accent);
  margin-bottom: 32px;
  letter-spacing: 0.02em;
}

.hero h1 {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 700;
  max-width: 800px;
  margin-bottom: 24px;
}

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

.lede {
  font-size: 1.15rem;
  color: var(--fg-muted);
  max-width: 580px;
  margin-bottom: 48px;
}

.hero-stat {
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius);
  padding: 20px 32px;
}

.stat-number {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--warm);
}

.stat-label {
  font-size: 0.9rem;
  color: var(--fg-muted);
  text-align: left;
  line-height: 1.4;
}

/* ===== PROBLEM ===== */
.problem {
  padding: 100px 24px;
  max-width: 1100px;
  margin: 0 auto;
}

.problem-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.problem-text h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  margin-bottom: 20px;
}

.problem-text p {
  color: var(--fg-muted);
  margin-bottom: 16px;
  font-size: 1.05rem;
}

.problem-stats {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.problem-stat-card {
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.stat-big {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--accent);
}

.stat-desc {
  font-size: 0.9rem;
  color: var(--fg-muted);
}

/* ===== HOW IT WORKS ===== */
.how-it-works {
  padding: 100px 24px;
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
}

.how-it-works h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  margin-bottom: 12px;
}

.section-subtitle {
  color: var(--fg-muted);
  font-size: 1.1rem;
  margin-bottom: 60px;
}

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

.step {
  padding: 32px 24px;
  background: var(--bg-surface);
  border: 1px solid rgba(255,255,255,0.04);
  border-radius: var(--radius-lg);
  position: relative;
}

.step-number {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 3rem;
  font-weight: 700;
  color: var(--accent-dim);
  color: rgba(61, 214, 140, 0.3);
  margin-bottom: 16px;
  line-height: 1;
}

.step h3 {
  font-size: 1.15rem;
  margin-bottom: 10px;
  color: var(--fg);
}

.step p {
  font-size: 0.95rem;
  color: var(--fg-muted);
  line-height: 1.5;
}

/* ===== FEATURES ===== */
.features {
  padding: 100px 24px;
  max-width: 1100px;
  margin: 0 auto;
  text-align: center;
}

.features h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  margin-bottom: 12px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 60px;
  text-align: left;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
}

.feature-card.feature-large {
  grid-column: span 3;
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-rows: auto auto;
  gap: 4px 20px;
  align-items: start;
  background: linear-gradient(135deg, var(--bg-card) 0%, rgba(61, 214, 140, 0.04) 100%);
  border-color: rgba(61, 214, 140, 0.15);
}

.feature-card.feature-large .feature-icon {
  grid-row: span 2;
  font-size: 2.5rem;
  align-self: center;
}

.feature-icon {
  font-size: 1.8rem;
  margin-bottom: 16px;
}

.feature-card h3 {
  font-size: 1.1rem;
  margin-bottom: 8px;
}

.feature-card p {
  font-size: 0.92rem;
  color: var(--fg-muted);
  line-height: 1.5;
}

/* ===== CLOSING ===== */
.closing {
  padding: 120px 24px;
  text-align: center;
  position: relative;
  background: radial-gradient(ellipse at 50% 100%, var(--accent-dim) 0%, transparent 50%);
}

.closing-content {
  max-width: 650px;
  margin: 0 auto;
}

.closing h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 20px;
}

.closing p {
  color: var(--fg-muted);
  font-size: 1.1rem;
  margin-bottom: 32px;
  line-height: 1.7;
}

.closing-tagline {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--accent);
  font-style: italic;
}

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

.footer-brand {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 6px;
}

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

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .problem-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

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

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

  .feature-card.feature-large {
    grid-column: span 1;
    grid-template-columns: 1fr;
    grid-template-rows: auto;
  }

  .feature-card.feature-large .feature-icon {
    grid-row: auto;
  }

  .hero-stat {
    flex-direction: column;
    text-align: center;
  }

  .stat-label {
    text-align: center;
  }

  .hero {
    min-height: 70vh;
    padding: 60px 20px;
  }
}