/* Large fonts and high contrast: readable on a projector and on phones. */
:root {
  --bg: #0f172a;
  --surface: #1e293b;
  --text: #f8fafc;
  --muted: #cbd5e1;
  --accent: #facc15;
  --error: #fca5a5;
  --success: #86efac;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 1.25rem;
  line-height: 1.5;
  background: var(--bg);
  color: var(--text);
}

.hero {
  padding: 3rem 1rem 2rem;
  text-align: center;
  border-bottom: 4px solid var(--accent);
}

h1 {
  margin: 0 auto;
  max-width: 20ch;
  font-size: clamp(2.2rem, 7vw, 4rem);
  line-height: 1.1;
}

.tagline { color: var(--muted); margin: 1rem 0 0; }

main {
  max-width: 48rem;
  margin: 0 auto;
  padding: 2rem 1rem;
}

h2 { font-size: 1.8rem; color: var(--accent); }
h3 { margin: 0 0 0.25rem; font-size: 1.35rem; }

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

.event {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  padding: 1rem;
  margin-bottom: 1rem;
  background: var(--surface);
  border-radius: 12px;
}
.event p { margin: 0; color: var(--muted); }

.event-date {
  flex: 0 0 auto;
  min-width: 4.5rem;
  padding: 0.4rem 0.6rem;
  text-align: center;
  font-weight: 700;
  color: var(--bg);
  background: var(--accent);
  border-radius: 8px;
}

.card {
  margin-top: 2rem;
  padding: 1.5rem;
  background: var(--surface);
  border-radius: 12px;
}
.card h2 { margin-top: 0; }

label { display: block; font-weight: 600; margin-top: 1rem; }

input {
  width: 100%;
  padding: 0.75rem;
  font-size: 1.25rem;
  border: 2px solid var(--muted);
  border-radius: 8px;
}
input:focus { outline: 3px solid var(--accent); }

button {
  margin-top: 1.5rem;
  width: 100%;
  padding: 0.9rem;
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--bg);
  background: var(--accent);
  border: none;
  border-radius: 8px;
  cursor: pointer;
}

.error { min-height: 1.5em; margin: 0.25rem 0 0; color: var(--error); font-size: 1rem; }
.confirmation { margin: 1.5rem 0 0; font-size: 1.4rem; font-weight: 700; color: var(--success); }

footer {
  padding: 1.5rem 1rem;
  text-align: center;
  color: var(--muted);
  font-size: 1.1rem;
  border-top: 1px solid var(--surface);
}
footer code { color: var(--accent); font-size: 1.15rem; }