/* assets/style.css */
:root {
  --primary: #2563eb;
  --dark: #0f172a;
  --light: #f8fafc;
  --gray: #64748b;
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Segoe UI', system-ui, sans-serif;
}

body {
  background: var(--light);
  color: var(--dark);
  line-height: 1.6;
}

header {
  background: white;
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
  padding: 1rem 5%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 100;
}

.logo {
  font-weight: 800;
  font-size: 1.4rem;
  color: var(--primary);
  display: flex;
  align-items: center;
  gap: 8px;
}

nav a {
  margin-left: 1.5rem;
  text-decoration: none;
  color: var(--gray);
  font-weight: 500;
}

nav a:hover {
  color: var(--primary);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem 2rem;
}

.btn {
  display: inline-block;
  background: var(--primary);
  color: white;
  padding: 10px 24px;
  border-radius: 30px;
  text-decoration: none;
  font-weight: 600;
  margin: 10px 0;
  transition: all 0.2s;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.card {
  background: white;
  border-radius: 16px;
  padding: 1.5rem;
  margin: 1.5rem 0;
  box-shadow: 0 4px 12px rgba(0,0,0,0.03);
}

h1, h2, h3 {
  margin-bottom: 1rem;
  line-height: 1.2;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; color: var(--dark); }
h3 { font-size: 1.4rem; }

.alert {
  background: #fef3c7;
  border-left: 4px solid var(--warning);
  padding: 1rem;
  border-radius: 8px;
  margin: 1rem 0;
  font-size: 0.95rem;
}

footer {
  text-align: center;
  padding: 2rem;
  color: var(--gray);
  font-size: 0.9rem;
  border-top: 1px solid #e2e8f0;
  margin-top: 3rem;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
  margin: 2rem 0;
}

/* Map container */
#satellite-map {
  height: 500px;
  width: 100%;
  border-radius: 12px;
  margin: 1.5rem 0;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.limitations {
  background: #f1f5f9;
  padding: 1rem;
  border-radius: 12px;
  margin-top: 1.5rem;
  font-size: 0.9rem;
  color: var(--gray);
}