:root {
  --navy: #10284d;
  --gold: #c9a227;
  --bg: #f6f7fb;
  --text: #222;
  --card-bg: #fff;
  --radius: 10px;
  --shadow: 0 2px 10px rgba(0,0,0,0.08);
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Segoe UI", Roboto, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

/* ---- Header / Nav ---- */
.site-header {
  background: var(--navy);
  color: #fff;
  position: sticky;
  top: 0;
  z-index: 50;
}
.nav {
  max-width: 1150px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  flex-wrap: wrap;
}
.nav .brand { font-size: 1.3rem; font-weight: 700; color: var(--gold); }
.nav ul { list-style: none; display: flex; gap: 22px; margin: 0; padding: 0; flex-wrap: wrap; }
.nav ul a { font-weight: 600; padding: 6px 4px; border-bottom: 2px solid transparent; }
.nav ul a:hover, .nav ul a.active { border-bottom-color: var(--gold); }

/* ---- Layout containers ---- */
.container { max-width: 1150px; margin: 0 auto; padding: 30px 20px; }
.page-title { font-size: 1.8rem; color: var(--navy); margin-bottom: 6px; }
.page-subtitle { color: #666; margin-bottom: 30px; }

/* ---- Hero ---- */
.hero {
  background: linear-gradient(rgba(16,40,77,.75), rgba(16,40,77,.75));
  background-size: cover;
  background-position: center;
  color: #fff;
  text-align: center;
  padding: 90px 20px;
}
.hero h1 { font-size: 2.4rem; margin-bottom: 10px; }
.hero p { font-size: 1.1rem; max-width: 650px; margin: 0 auto; }

.section { padding: 50px 20px; }
.section.alt { background: #fff; }

/* ---- Card grid (gallery / notices) ---- */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 20px;
}
.card {
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.card img { height: 180px; object-fit: cover; width: 100%; }
.card-body { padding: 16px; flex: 1; display: flex; flex-direction: column; }
.card-body h3 { margin: 0 0 8px; color: var(--navy); }
.card-body .date { font-size: .8rem; color: #888; margin-bottom: 8px; }
.card-body p { flex: 1; }
.btn {
  display: inline-block;
  background: var(--navy);
  color: #fff;
  padding: 9px 18px;
  border-radius: 6px;
  border: none;
  cursor: pointer;
  font-weight: 600;
  font-size: .95rem;
  margin-top: 10px;
  align-self: flex-start;
}
.btn:hover { background: #0a1c37; }
.btn.gold { background: var(--gold); color: #10284d; }

/* ---- Forms ---- */
.form-box {
  background: #fff;
  max-width: 480px;
  margin: 0 auto;
  padding: 30px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-weight: 600; margin-bottom: 6px; }
.form-group input, .form-group select, .form-group textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid #ccd2dc;
  border-radius: 6px;
  font-size: 1rem;
}
.alert { padding: 12px 16px; border-radius: 6px; margin-bottom: 18px; }
.alert-error { background: #fde2e2; color: #a01c1c; }
.alert-success { background: #e1f6e6; color: #1a7a3a; }

/* ---- Result card ---- */
.result-card { background: #fff; border-radius: var(--radius); box-shadow: var(--shadow); padding: 26px; }
.result-header { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; border-bottom: 2px solid var(--navy); padding-bottom: 14px; margin-bottom: 14px; }
table.marks-table { width: 100%; border-collapse: collapse; margin: 16px 0; }
table.marks-table th, table.marks-table td { border: 1px solid #ddd; padding: 10px; text-align: left; }
table.marks-table th { background: var(--navy); color: #fff; }
.status-pass { color: #1a7a3a; font-weight: 700; }
.status-fail { color: #a01c1c; font-weight: 700; }

/* ---- Footer ---- */
.site-footer { background: var(--navy); color: #cbd3e1; text-align: center; padding: 22px; margin-top: 40px; font-size: .9rem; }

/* ---- Responsive ---- */
@media (max-width: 640px) {
  .nav { flex-direction: column; align-items: flex-start; gap: 10px; }
  .hero h1 { font-size: 1.8rem; }
  .result-header { flex-direction: column; }
}

@media print {
  .site-header, .site-footer, .no-print { display: none !important; }
}