:root {
  --primary: #2c6e49;
  --accent: #d4a373;
  --bg: #fefae0;
  --text: #283618;
  --card: #ffffff;
  --shadow: 0 4px 12px rgba(0,0,0,0.08);
}

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

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

header {
  background: var(--primary);
  color: white;
  padding: 1.5rem 1rem 1rem;
  text-align: center;
}

header h1 { font-size: 2rem; margin-bottom: 0.3rem; }
header p { opacity: 0.9; max-width: 700px; margin: 0 auto 1rem; }

nav {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  flex-wrap: wrap;
  padding-top: 0.5rem;
  border-top: 1px solid rgba(255,255,255,0.3);
}

nav a {
  color: white;
  text-decoration: none;
  font-weight: 600;
  padding: 0.4rem 0.8rem;
  border-radius: 4px;
  transition: background 0.2s;
}
nav a:hover { background: rgba(255,255,255,0.15); }

main { max-width: 960px; margin: 2rem auto; padding: 0 1rem; }

section { margin-bottom: 3rem; }
h2 { color: var(--primary); margin-bottom: 1rem; border-bottom: 2px solid var(--accent); padding-bottom: 0.3rem; }

.card {
  background: var(--card);
  border-radius: 10px;
  padding: 1.25rem;
  margin-bottom: 1.25rem;
  box-shadow: var(--shadow);
}

.card h3 { color: var(--primary); margin-bottom: 0.4rem; }
.meta { font-size: 0.95rem; color: #555; margin: 0.3rem 0; }
.buttons { margin-top: 1rem; display: flex; gap: 0.75rem; flex-wrap: wrap; }

button, .btn {
  background: var(--primary);
  color: white;
  border: none;
  padding: 0.55rem 1.1rem;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  display: inline-block;
}
button:hover, .btn:hover { background: #1e4d33; }
button.secondary { background: var(--accent); color: #222; }
button.secondary:hover { background: #c48c5a; }

#charities-list .card a { color: var(--primary); font-weight: 600; }

#payment-methods { list-style: none; }
#payment-methods li {
  background: var(--card);
  padding: 0.6rem 1rem;
  margin-bottom: 0.4rem;
  border-radius: 6px;
  box-shadow: var(--shadow);
}

.note { font-size: 0.9rem; color: #666; margin-top: 0.8rem; }

/* Modal */
.modal {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.55);
  display: flex; align-items: center; justify-content: center;
  z-index: 1000; padding: 1rem;
}
.modal.hidden { display: none; }
.modal-content {
  background: white;
  border-radius: 12px;
  padding: 1.75rem;
  max-width: 480px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
}
.close {
  position: absolute; top: 0.75rem; right: 1rem;
  font-size: 1.6rem; cursor: pointer; color: #888;
}
.close:hover { color: #000; }

form label { display: block; margin: 0.8rem 0 0.25rem; font-weight: 600; }
form input {
  width: 100%;
  padding: 0.55rem;
  border: 1px solid #ccc;
  border-radius: 6px;
  font-size: 1rem;
}
form button { margin-top: 1.25rem; width: 100%; }
.message { margin-top: 0.75rem; font-weight: 600; }
.message.success { color: var(--primary); }
.message.error { color: #b00020; }
.event-info { background: #f0f7f2; padding: 0.75rem; border-radius: 6px; margin: 0.75rem 0; }
.hidden { display: none !important; }

footer {
  text-align: center;
  padding: 1.5rem;
  font-size: 0.9rem;
  color: #666;
  border-top: 1px solid #ddd;
  margin-top: 2rem;
}

@media (max-width: 600px) {
  header h1 { font-size: 1.5rem; }
  .buttons { flex-direction: column; }
}