:root {
  --bg: #0C1117;
  --bg-elevated: #151C25;
  --fg: #E8ECF0;
  --fg-muted: #8B95A3;
  --accent: #3ECFA0;
  --accent-dim: rgba(62, 207, 160, 0.12);
  --warm: #F5A623;
  --warm-dim: rgba(245, 166, 35, 0.12);
  --radius: 12px;
  --font-body: 'DM Sans', system-ui, -apple-system, sans-serif;
  --font-display: 'Fraunces', Georgia, serif;
}

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

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

/* Hero */
.hero {
  position: relative;
  min-height: 85vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 80px 24px 60px;
  overflow: hidden;
}

.hero-inner {
  position: relative;
  z-index: 2;
  max-width: 720px;
  text-align: center;
}

.hero-badge {
  display: inline-block;
  background: var(--accent-dim);
  color: var(--accent);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 32px;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(3rem, 8vw, 5.5rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin-bottom: 28px;
  color: #fff;
}

.hero-sub {
  font-size: 1.2rem;
  color: var(--fg-muted);
  max-width: 540px;
  margin: 0 auto;
  line-height: 1.7;
}

.hero-cta {
  margin-top: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}

.hero-btn {
  display: inline-block;
  background: var(--accent);
  color: #0C1117;
  font-weight: 700;
  font-size: 1rem;
  padding: 14px 32px;
  border-radius: var(--radius);
  text-decoration: none;
  transition: opacity 0.2s, transform 0.15s;
  letter-spacing: 0.01em;
}

.hero-btn:hover {
  opacity: 0.88;
  transform: translateY(-1px);
}

.hero-count {
  font-size: 0.88rem;
  color: var(--fg-muted);
}

.hero-glow {
  position: absolute;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(62, 207, 160, 0.08) 0%, transparent 70%);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
}

/* Problem Section */
.problem {
  padding: 80px 24px;
  background: var(--bg-elevated);
}

.problem-inner {
  max-width: 960px;
  margin: 0 auto;
}

.problem-stat-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 48px;
}

.stat-card {
  background: var(--bg);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
}

.stat-number {
  display: block;
  font-family: var(--font-display);
  font-size: 2.8rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 8px;
}

.stat-label {
  display: block;
  font-size: 0.92rem;
  color: var(--fg-muted);
  line-height: 1.5;
}

.problem-text {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-style: italic;
  text-align: center;
  color: var(--fg);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.5;
}

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

.features-inner {
  max-width: 960px;
  margin: 0 auto;
}

.features-inner h2 {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 600;
  margin-bottom: 48px;
  text-align: center;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.feature-card {
  background: var(--bg-elevated);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: var(--radius);
  padding: 36px 28px;
  transition: border-color 0.2s;
}

.feature-card:hover {
  border-color: rgba(62, 207, 160, 0.2);
}

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

.feature-card h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 10px;
}

.feature-card p {
  font-size: 0.95rem;
  color: var(--fg-muted);
  line-height: 1.65;
}

/* Resources / Categories */
.resources {
  padding: 80px 24px;
  background: var(--bg-elevated);
}

.resources-inner {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.resources-inner h2 {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 600;
  margin-bottom: 36px;
}

.resource-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}

.tag {
  background: var(--bg);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 100px;
  padding: 10px 20px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--fg);
  transition: all 0.2s;
  text-decoration: none;
  cursor: pointer;
}

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

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

.closing-inner {
  max-width: 680px;
  margin: 0 auto;
}

.closing h2 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  font-weight: 600;
  line-height: 1.35;
  margin-bottom: 20px;
  color: #fff;
}

.closing p {
  font-size: 1.1rem;
  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: 960px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-brand {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.1rem;
}

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

/* Responsive */
@media (max-width: 768px) {
  .problem-stat-row {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .features-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .hero {
    min-height: 70vh;
    padding: 60px 20px 40px;
  }

  .hero h1 {
    font-size: 2.8rem;
  }

  .features { padding: 60px 20px; }
  .problem { padding: 60px 20px; }
  .resources { padding: 60px 20px; }
  .closing { padding: 80px 20px; }

  .closing h2 {
    font-size: 1.5rem;
  }

  .problem-text {
    font-size: 1.3rem;
  }

  .tag {
    padding: 8px 16px;
    font-size: 0.85rem;
  }
}

@media (max-width: 420px) {
  .hero h1 {
    font-size: 2.2rem;
  }

  .stat-number {
    font-size: 2.2rem;
  }

  .feature-card {
    padding: 24px 20px;
  }
}