:root {
  --primary: #0b3c5d;
  --secondary: #1d70b8;
  --light: #f5f7fa;
  --dark: #1a1a1a;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--dark);
  line-height: 1.6;
}

a {
  color: var(--secondary);
  text-decoration: none;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1rem;
}

.container.narrow {
  max-width: 720px;
}

.site-header {
  background: white;
  border-bottom: 1px solid #e5e5e5;
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 0;
}

.logo {
  margin: 0;
  font-size: 1.25rem;
}

nav a {
  margin-left: 1rem;
  font-weight: 500;
}

.donate-btn {
  background: var(--secondary);
  color: white;
  padding: 0.4rem 0.75rem;
  border-radius: 4px;
}

.hero {
  background: var(--primary);
  color: white;
  padding: 4rem 0;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 2rem;
  align-items: center;
}

.hero-photo {
  background: rgba(255,255,255,0.15);
  height: 300px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
}

.hero-actions .btn {
  margin-right: 0.75rem;
}

.section {
  padding: 3rem 0;
}

.section.alt {
  background: var(--light);
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
}

.card {
  background: white;
  padding: 1.5rem;
  border-radius: 6px;
}

.events {
  list-style: none;
  padding: 0;
}

.events li {
  margin-bottom: 1rem;
}

form label {
  display: block;
  margin-bottom: 0.75rem;
}

form input {
  width: 100%;
  padding: 0.5rem;
  margin-top: 0.25rem;
}

.btn {
  display: inline-block;
  padding: 0.6rem 1rem;
  border-radius: 4px;
  font-weight: 600;
}

.btn.primary {
  background: var(--secondary);
  color: white;
}

.btn.secondary {
  border: 2px solid white;
  color: white;
}

.site-footer {
  background: #111;
  color: #ccc;
  padding: 2rem 0;
  font-size: 0.9rem;
}

.site-footer .small {
  font-size: 0.8rem;
  margin-top: 0.5rem;
}

@media (max-width: 768px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }

  nav a {
    margin-left: 0.5rem;
  }
}