:root {
  --bg: #0a0a0a;          /* black */
  --bg-elev: #141414;     /* elevated black */
  --text: #ffffff;        /* white */
  --muted: #bbbbbb;       /* light gray */
  --accent: #ff6a00;      /* school orange */
  --accent-2: #ff6a00;    /* orange for primary */
  --radius: 12px;
  --maxw: 960px;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 16px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
}
.skip-link:focus { left: 16px; top: 16px; width: auto; height: auto; padding: 8px 12px; background: var(--accent-2); color: #000; border-radius: 6px; }

.site-header {
  background: var(--bg-elev);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 12px 0; }
.brand { display: flex; align-items: center; gap: 12px; }
.logo { width: clamp(36px, 8vw, 56px); height: auto; }
.site-title { font-size: 1.1rem; margin: 0; color: var(--accent); }
.site-subtitle { margin: 0; color: var(--muted); font-size: 0.9rem; }
.nav a { color: var(--text); text-decoration: none; margin-left: 12px; padding: 12px 14px; border-radius: 8px; font-size: 1rem; transition: color 120ms ease; }
.header-inner { flex-wrap: wrap; }
.nav { display: flex; width: 100%; gap: 8px; flex-wrap: wrap; }
.nav a:hover { color: var(--accent); background: rgba(255,255,255,0.06); }
.nav a[aria-current="page"] { color: var(--accent); background: rgba(255,106,0,0.12); }

.hero { padding: 24px 0 24px; }
.hero h2 { font-size: 2rem; margin: 0 0 8px; color: var(--accent); }
.cta-group { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 16px; }
.button { display: inline-block; padding: 10px 14px; border-radius: 10px; border: 1px solid rgba(255,255,255,0.16); color: var(--text); text-decoration: none; }
.button.primary { background: linear-gradient(180deg, var(--accent-2), #d45500); border-color: transparent; color: #000; font-weight: 600; }

.banner { width: 100%; background: #0f0f0f; border-bottom: 1px solid rgba(255,255,255,0.08); padding: 8px 0; }
.banner img { width: min(1100px, 96vw); height: auto; display: block; max-height: 140px; object-fit: contain; object-position: center; margin: 0 auto; }

.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; margin: 24px 0 48px; }
.card { background: var(--bg-elev); padding: 16px; border-radius: var(--radius); border: 1px solid rgba(255,255,255,0.08); }
.card h3 { color: var(--accent); margin-top: 0; }
.muted { color: var(--muted); }

.reunion-hero { text-align: center; padding: 32px 0 24px; border-bottom: 1px solid rgba(255,255,255,0.08); margin-bottom: 32px; }
.reunion-hero h2 { font-size: 2.2rem; margin: 0 0 12px; color: var(--accent); }
.reunion-hero p { font-size: 1.1rem; margin: 8px 0; max-width: 600px; margin-left: auto; margin-right: auto; }

.gallery { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 20px; margin: 32px 0 48px; }
.gallery .tile { margin: 0; background: var(--bg-elev); border: 1px solid rgba(255,255,255,0.08); border-radius: 12px; overflow: hidden; transition: transform 150ms ease, box-shadow 150ms ease; cursor: pointer; }
.gallery .tile:hover { transform: translateY(-2px); box-shadow: 0 4px 12px rgba(255,106,0,0.2); border-color: rgba(255,106,0,0.3); }
.gallery .tile img { display: block; width: 100%; height: 240px; object-fit: cover; }
.gallery .tile figcaption { padding: 12px; font-size: 0.95rem; color: var(--muted); line-height: 1.4; }

dialog { border: 1px solid rgba(255,255,255,0.12); background: var(--bg-elev); color: var(--text); border-radius: 12px; padding: 24px; max-width: min(96vw, 900px); }
dialog img { width: 100%; height: auto; display: block; margin-bottom: 12px; border-radius: 8px; }
dialog #lightbox-cap { margin: 0 0 16px; text-align: center; }
dialog form { text-align: center; }
dialog::backdrop { background: rgba(0,0,0,0.75); }

.event-hero { text-align: center; padding: 32px 0; border-bottom: 1px solid rgba(255,255,255,0.08); margin-bottom: 32px; }
.event-hero h2 { font-size: 2rem; margin: 24px 0 16px; color: var(--accent); }

.countdown { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; margin: 24px 0; }
.countdown-item { display: flex; flex-direction: column; align-items: center; min-width: 60px; }
.countdown-value { font-size: 2.5rem; font-weight: 700; color: var(--accent); line-height: 1; }
.countdown-label { font-size: 0.75rem; color: var(--muted); margin-top: 4px; letter-spacing: 0.5px; }
.countdown-text { margin: 16px 0; color: var(--muted); font-size: 0.95rem; }

.event-details { margin: 24px 0; padding: 20px; background: var(--bg-elev); border-radius: var(--radius); border: 1px solid rgba(255,255,255,0.08); }
.event-detail { margin: 12px 0; font-size: 1.1rem; }
.event-detail strong { color: var(--accent); margin-right: 8px; }

.evite-link-section { margin: 24px 0; text-align: center; padding: 16px; }
.evite-link-section .muted { margin-bottom: 12px; display: block; }

.rsvp-section { margin: 48px 0; padding: 32px; background: var(--bg-elev); border-radius: var(--radius); border: 1px solid rgba(255,255,255,0.08); }
.rsvp-section h3 { color: var(--accent); margin-top: 0; }

.rsvp-count { display: flex; gap: 32px; justify-content: center; margin: 24px 0; padding: 20px; background: rgba(255,106,0,0.1); border-radius: var(--radius); border: 1px solid rgba(255,106,0,0.2); flex-wrap: wrap; }
.count-item { display: flex; flex-direction: column; align-items: center; }
.count-value { font-size: 2.5rem; font-weight: 700; color: var(--accent); line-height: 1; }
.count-label { font-size: 0.9rem; color: var(--muted); margin-top: 8px; text-align: center; }

.rsvp-form { margin-top: 24px; }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; margin-bottom: 8px; font-weight: 600; color: var(--text); }
.form-group input, .form-group select, .form-group textarea { width: 100%; padding: 12px; border: 1px solid rgba(255,255,255,0.16); border-radius: 8px; background: var(--bg); color: var(--text); font-size: 1rem; font-family: inherit; }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 2px rgba(255,106,0,0.2); }
.form-note { margin-top: 12px; font-size: 0.9rem; }

.form-message { padding: 16px; border-radius: 8px; margin-top: 16px; }
.form-message.success { background: rgba(0,200,0,0.1); border: 1px solid rgba(0,200,0,0.3); color: #90ee90; }
.form-message.error { background: rgba(200,0,0,0.1); border: 1px solid rgba(200,0,0,0.3); color: #ff6b6b; }

.event-list { list-style: none; padding: 0; margin: 12px 0 48px; display: grid; gap: 12px; }
.event { background: var(--bg-elev); padding: 16px; border-radius: var(--radius); border: 1px solid rgba(255,255,255,0.08); }

.site-footer { border-top: 1px solid rgba(255,255,255,0.08); margin-top: 32px; }
.site-footer .container { padding: 16px 0; }

@media (min-width: 700px) {
  .nav { width: auto; }
}

@media (max-width: 480px) {
  .site-title { font-size: 1rem; }
  .logo { width: 40px; height: auto; }
  .reunion-hero h2 { font-size: 1.6rem; }
  .reunion-hero p { font-size: 1rem; }
  .gallery { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 12px; }
  .gallery .tile img { height: 200px; }
  .countdown { gap: 12px; }
  .countdown-item { min-width: 50px; }
  .countdown-value { font-size: 2rem; }
  .countdown-label { font-size: 0.7rem; }
  .event-hero h2 { font-size: 1.6rem; }
  .rsvp-section { padding: 20px 16px; }
  .rsvp-count { gap: 20px; padding: 16px; }
  .count-value { font-size: 2rem; }
  .count-label { font-size: 0.85rem; }
}