/* === Reset & Base === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #f5f5f4;
  --bg-card: #ffffff;
  --border: #e2e0dc;
  --text: #1c1917;
  --text-secondary: #44403c;
  --text-muted: #78716c;
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --green: #16a34a;
  --red: #dc2626;
  --radius: 10px;
}

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

.container {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 20px;
}

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

/* === Buttons === */
.btn {
  display: inline-block;
  padding: 10px 24px;
  border-radius: 8px;
  font-weight: 500;
  font-size: 0.95rem;
  text-decoration: none;
  transition: all 0.15s;
  cursor: pointer;
  border: none;
}
.btn:hover { text-decoration: none; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-hover); }
.btn-outline {
  background: var(--bg-card);
  color: var(--text-secondary);
  border: 1.5px solid var(--border);
}
.btn-outline:hover { border-color: var(--primary); color: var(--primary); }
.btn-sm { padding: 7px 16px; font-size: 0.85rem; }

/* === Header === */
.header {
  padding: 14px 0;
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text);
  text-decoration: none;
}
.nav { display: flex; align-items: center; gap: 20px; }
.nav a { color: var(--text-muted); font-size: 0.9rem; }
.nav a:hover { color: var(--text); text-decoration: none; }

/* === Hero === */
.hero {
  padding: 72px 0 56px;
}
.hero h1 {
  font-size: 2.2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin-bottom: 14px;
  color: var(--text);
}
.hero-sub {
  font-size: 1.05rem;
  color: var(--text-secondary);
  margin-bottom: 32px;
  max-width: 520px;
}
.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

/* === Stats === */
.stats {
  padding: 32px 0;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  text-align: center;
}
.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 12px;
}
.stat-number {
  display: block;
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--text);
}
.stat-label {
  display: block;
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: 4px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* === How It Works === */
.how-it-works {
  padding: 48px 0 40px;
}
.how-it-works h2 {
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 24px;
}
.steps {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.step {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
}
.step-number {
  flex-shrink: 0;
  width: 30px;
  height: 30px;
  background: var(--bg);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 0.82rem;
  color: var(--text-muted);
}
.step-content h3 {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 2px;
  color: var(--text);
}
.step-content p {
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* === Map Preview === */
.map-preview {
  padding: 40px 0 48px;
}
.map-preview h2 {
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 8px;
}
.map-preview p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 20px;
}
.green { color: var(--green); font-weight: 500; }
.red { color: var(--red); font-weight: 500; }

/* === Footer === */
.footer {
  padding: 32px 0;
  border-top: 1px solid var(--border);
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--text-muted);
  font-size: 0.8rem;
}

/* === Responsive === */
@media (max-width: 600px) {
  .hero { padding: 48px 0 36px; }
  .hero h1 { font-size: 1.6rem; }
  .stats-grid { grid-template-columns: 1fr; gap: 8px; }
  .stat-card { padding: 16px 12px; }
  .footer-inner { flex-direction: column; gap: 4px; }
}