:root {
  --bg: #0a0a0f;
  --bg-elevated: #13131a;
  --bg-card: #1a1a24;
  --fg: #e8e8ed;
  --fg-muted: #8888a0;
  --accent: #39ff6e;
  --accent-dim: rgba(57, 255, 110, 0.15);
  --warm: #ff6b3d;
  --warm-dim: rgba(255, 107, 61, 0.15);
  --purple: #a855f7;
  --purple-dim: rgba(168, 85, 247, 0.15);
  --cyan: #22d3ee;
  --cyan-dim: rgba(34, 211, 238, 0.15);
  --radius: 12px;
  --radius-sm: 8px;
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'DM Sans', sans-serif;
}

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

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3 {
  font-family: var(--font-display);
  line-height: 1.1;
  letter-spacing: -0.02em;
}

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

/* ===== HERO ===== */
.hero {
  min-height: 90vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 80px 24px 60px;
  max-width: 900px;
  margin: 0 auto;
  position: relative;
}

.hero::before {
  content: '';
  position: absolute;
  top: -20%;
  right: -30%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(57, 255, 110, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero-badge {
  display: inline-block;
  padding: 6px 16px;
  background: var(--accent-dim);
  border: 1px solid rgba(57, 255, 110, 0.25);
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--accent);
  margin-bottom: 32px;
  width: fit-content;
}

.hero h1 {
  font-size: clamp(3rem, 8vw, 6rem);
  font-weight: 700;
  margin-bottom: 24px;
}

.hero-sub {
  font-size: 1.25rem;
  color: var(--fg-muted);
  max-width: 560px;
  margin-bottom: 40px;
  line-height: 1.7;
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.tag {
  padding: 8px 18px;
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 100px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--fg);
  transition: border-color 0.2s;
}

.tag:hover {
  border-color: var(--accent);
}

/* ===== 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 h2 {
  font-size: clamp(2rem, 4vw, 2.8rem);
  margin-bottom: 20px;
}

.problem p {
  color: var(--fg-muted);
  font-size: 1.05rem;
  margin-bottom: 16px;
  line-height: 1.8;
}

.problem .highlight {
  color: var(--accent);
  font-weight: 600;
  font-size: 1.1rem;
}

.problem-visual {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

.app-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
}

.fake-app {
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  font-weight: 600;
  opacity: 0.5;
}

.a1 { background: var(--warm-dim); color: var(--warm); border: 1px solid rgba(255,107,61,0.3); }
.a2 { background: var(--purple-dim); color: var(--purple); border: 1px solid rgba(168,85,247,0.3); }
.a3 { background: var(--cyan-dim); color: var(--cyan); border: 1px solid rgba(34,211,238,0.3); }
.a4 { background: rgba(255,215,0,0.1); color: #ffd700; border: 1px solid rgba(255,215,0,0.3); }
.a5 { background: rgba(255,105,180,0.1); color: #ff69b4; border: 1px solid rgba(255,105,180,0.3); }

.arrow-down {
  opacity: 0.6;
}

.unified-app {
  padding: 16px 40px;
  background: var(--accent-dim);
  border: 2px solid var(--accent);
  border-radius: var(--radius);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--accent);
  text-align: center;
}

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

.features > h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 48px;
  text-align: center;
}

.features-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.feature-card {
  padding: 36px 32px;
  border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,0.06);
  position: relative;
  overflow: hidden;
  transition: border-color 0.3s, transform 0.2s;
}

.feature-card:hover {
  transform: translateY(-2px);
}

.card-delivery {
  background: linear-gradient(135deg, var(--bg-card) 0%, rgba(57,255,110,0.04) 100%);
}
.card-delivery:hover { border-color: var(--accent); }

.card-market {
  background: linear-gradient(135deg, var(--bg-card) 0%, rgba(168,85,247,0.04) 100%);
}
.card-market:hover { border-color: var(--purple); }

.card-gigs {
  background: linear-gradient(135deg, var(--bg-card) 0%, rgba(255,107,61,0.04) 100%);
}
.card-gigs:hover { border-color: var(--warm); }

.card-social {
  background: linear-gradient(135deg, var(--bg-card) 0%, rgba(34,211,238,0.04) 100%);
}
.card-social:hover { border-color: var(--cyan); }

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

.feature-card h3 {
  font-size: 1.3rem;
  margin-bottom: 12px;
  font-weight: 600;
}

.feature-card p {
  color: var(--fg-muted);
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: 16px;
}

.feature-tag {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 100px;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.card-delivery .feature-tag { background: var(--accent-dim); color: var(--accent); }
.card-market .feature-tag { background: var(--purple-dim); color: var(--purple); }
.card-gigs .feature-tag { background: var(--warm-dim); color: var(--warm); }
.card-social .feature-tag { background: var(--cyan-dim); color: var(--cyan); }

/* ===== ECONOMY ===== */
.economy {
  padding: 100px 24px;
  background: var(--bg-elevated);
  border-top: 1px solid rgba(255,255,255,0.04);
  border-bottom: 1px solid rgba(255,255,255,0.04);
}

.economy-inner {
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
}

.economy-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--warm);
  margin-bottom: 16px;
}

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

.economy-desc {
  color: var(--fg-muted);
  font-size: 1.1rem;
  line-height: 1.8;
  max-width: 650px;
  margin: 0 auto 48px;
}

.stats-row {
  display: flex;
  justify-content: center;
  gap: 60px;
  margin-bottom: 40px;
}

.stat-number {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--fg-muted);
  margin-top: 8px;
}

.gamification {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
}

.badge {
  padding: 8px 18px;
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 500;
}

/* ===== CLOSING ===== */
.closing {
  padding: 120px 24px;
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.closing h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 24px;
}

.closing-sub {
  color: var(--fg-muted);
  font-size: 1.1rem;
  line-height: 1.8;
  max-width: 600px;
  margin: 0 auto;
}

/* ===== FOOTER ===== */
.site-footer {
  padding: 40px 24px;
  border-top: 1px solid rgba(255,255,255,0.04);
  text-align: center;
}

.footer-brand {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: 4px;
}

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

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

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

  .stats-row {
    gap: 30px;
  }

  .stat-number {
    font-size: 2rem;
  }

  .hero {
    min-height: 80vh;
    padding: 60px 20px 40px;
  }

  .hero h1 {
    font-size: 2.5rem;
  }

  .hero-sub {
    font-size: 1.05rem;
  }

  .features > h2,
  .economy h2,
  .closing h2 {
    font-size: 1.8rem;
  }

  .feature-card {
    padding: 28px 24px;
  }

  .gamification {
    gap: 8px;
  }

  .badge {
    font-size: 0.8rem;
    padding: 6px 14px;
  }
}

@media (max-width: 480px) {
  .stats-row {
    flex-direction: column;
    gap: 24px;
  }

  .hero-tags {
    gap: 8px;
  }

  .tag {
    padding: 6px 14px;
    font-size: 0.8rem;
  }
}