/* Yellow Jacket Swim Camps — Georgia Tech colors */
:root {
  --navy: #003057;       /* Tech navy */
  --gold: #B3A369;       /* Tech gold */
  --gold-bright: #EAAA00;
  --ink: #1b1b1b;
  --muted: #5b6671;
  --bg: #ffffff;
  --bg-alt: #f4f6f8;
  --maxw: 1120px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Helvetica Neue", Arial, sans-serif;
  color: var(--ink);
  line-height: 1.6;
  background: var(--bg);
}
img { max-width: 100%; display: block; }
a { color: var(--navy); }

.container { max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }

/* ---------- Header / Nav ---------- */
.topbar {
  background: var(--navy);
  color: #fff;
  font-size: .85rem;
  text-align: center;
  padding: 6px 0;
  letter-spacing: .5px;
}
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: #fff;
  border-bottom: 3px solid var(--gold);
  box-shadow: 0 1px 6px rgba(0,0,0,.06);
}
.nav-wrap {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; padding: 12px 20px; max-width: var(--maxw); margin: 0 auto;
}
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.brand .badge {
  width: 44px; height: 44px; border-radius: 50%;
  background: var(--gold); color: var(--navy);
  display: grid; place-items: center; font-weight: 800; font-size: 1.1rem;
  border: 2px solid var(--navy);
}
.brand .brand-logo { height: 50px; width: auto; display: block; }
.brand b { color: var(--navy); font-size: 1.15rem; line-height: 1; }
.brand span { display: block; color: var(--muted); font-size: .72rem; letter-spacing: 1px; text-transform: uppercase; }

.nav-links { display: flex; align-items: center; gap: 22px; list-style: none; margin: 0; padding: 0; }
.nav-links a { text-decoration: none; color: var(--navy); font-weight: 600; font-size: .95rem; }
.nav-links a:hover, .nav-links a.active { color: var(--gold-bright); }
.btn {
  display: inline-block; background: var(--gold-bright); color: var(--navy);
  font-weight: 800; text-decoration: none; padding: 10px 18px; border-radius: 6px;
  border: 2px solid var(--gold-bright); transition: .15s;
}
.btn:hover { background: var(--navy); color: #fff; border-color: var(--navy); }
.btn-ghost { background: transparent; color: var(--navy); border-color: var(--navy); }
.btn-ghost:hover { background: var(--navy); color: #fff; }

.nav-toggle { display: none; background: none; border: 0; font-size: 1.6rem; color: var(--navy); cursor: pointer; }

/* ---------- Hero ---------- */
.hero {
  background: linear-gradient(rgba(0,48,87,.78), rgba(0,48,87,.78)),
              url("https://images.unsplash.com/photo-1530549387789-4c1017266635?auto=format&fit=crop&w=1600&q=80") center/cover;
  color: #fff; text-align: center; padding: 90px 20px;
}
.hero h1 { font-size: clamp(2rem, 5vw, 3.4rem); margin: 0 0 10px; }
.hero p { font-size: 1.2rem; max-width: 640px; margin: 0 auto 26px; color: #e9edf1; }
.banner {
  background: var(--gold-bright); color: var(--navy); font-weight: 800;
  text-align: center; padding: 12px; letter-spacing: .5px;
}

/* ---------- Sections ---------- */
.section { padding: 60px 0; }
.section.alt { background: var(--bg-alt); }
.section h2 { color: var(--navy); font-size: 2rem; margin-top: 0; }
.section h2::after { content: ""; display: block; width: 60px; height: 4px; background: var(--gold); margin-top: 8px; }
.lead { font-size: 1.1rem; color: var(--muted); }
.grid { display: grid; gap: 26px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
ul.checks { list-style: none; padding: 0; }
ul.checks li { padding: 8px 0 8px 30px; position: relative; }
ul.checks li::before { content: "🏊"; position: absolute; left: 0; }

.card { background: #fff; border: 1px solid #e6e9ee; border-radius: 10px; padding: 24px; }

/* ---------- Staff ---------- */
.coach { background: #fff; border: 1px solid #e6e9ee; border-radius: 10px; overflow: hidden; text-align: center; }
.coach .photo { aspect-ratio: 3/4; overflow: hidden; background: var(--bg-alt); }
.coach .photo img { width: 100%; height: 100%; object-fit: cover; }
.coach .info { padding: 16px; }
.coach .info h3 { margin: 0 0 4px; color: var(--navy); }
.coach .info p { margin: 0; color: var(--muted); font-size: .9rem; }

/* ---------- Footer ---------- */
.site-footer { background: var(--navy); color: #cdd6df; padding: 50px 0 24px; }
.site-footer h4 { color: #fff; margin: 0 0 12px; }
.site-footer a { color: var(--gold); text-decoration: none; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 30px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.15); margin-top: 30px; padding-top: 16px; font-size: .8rem; color: #9fb0bf; }
.socials a { margin-right: 12px; font-weight: 700; }

/* ---------- FAQ ---------- */
details { background:#fff; border:1px solid #e6e9ee; border-radius:8px; padding:14px 18px; margin-bottom:12px; }
details summary { font-weight: 700; color: var(--navy); cursor: pointer; }
details[open] summary { margin-bottom: 8px; }

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr; }
  .nav-links {
    display: none; position: absolute; top: 100%; left: 0; right: 0;
    flex-direction: column; background: #fff; padding: 16px 20px;
    border-bottom: 3px solid var(--gold); gap: 14px;
  }
  .nav-links.open { display: flex; }
  .nav-toggle { display: block; }
}
@media (max-width: 540px) {
  .grid-3, .grid-4, .grid-2 { grid-template-columns: 1fr; }
}