:root {
  --navy: #1b2751;
  --blue: #416594;
  --gold: #c8963e;
  --sand: #edd382;
  --paper: #fffaf0;
  --text: #1d1d1d;
  --muted: #555;
  --border: #ddd4bd;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background: var(--paper);
  color: var(--text);
  line-height: 1.55;
}

header {
  background: var(--navy);
  color: white;
  padding: 1.25rem 1rem;
  border-bottom: 6px solid var(--gold);
}

.header-inner,
main,
footer {
  max-width: 860px;
  margin: 0 auto;
}

header h1 {
  margin: 0;
  font-size: clamp(1.5rem, 4vw, 2.25rem);
  line-height: 1.1;
}

header p {
  margin: 0.5rem 0 0;
  color: #f2ead4;
}

main {
  padding: 1.25rem 1rem 2rem;
}

.card {
  display: block;
  background: white;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1rem;
  margin: 1rem 0;
  text-decoration: none;
  color: var(--text);
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}

.card:hover,
.card:focus {
  outline: 3px solid var(--sand);
  border-color: var(--gold);
}

.card h2 {
  margin: 0 0 0.35rem;
  color: var(--navy);
  font-size: 1.25rem;
}

.card p {
  margin: 0;
  color: var(--muted);
}

.video-wrap {
  background: #000;
  border-radius: 12px;
  overflow: hidden;
  margin: 1rem 0;
  border: 1px solid #222;
}

video {
  display: block;
  width: 100%;
  height: auto;
}

.notice {
  background: #fff3cf;
  border-left: 6px solid var(--gold);
  padding: 0.85rem 1rem;
  margin: 1rem 0;
}

.back-link {
  display: inline-block;
  margin: 1rem 0;
  color: var(--blue);
  font-weight: bold;
}

footer {
  color: var(--muted);
  font-size: 0.9rem;
  padding: 1rem;
  border-top: 1px solid var(--border);
}