:root {
  --bg: #07111f;
  --bg-soft: #0d1b2f;
  --card: #ffffff;
  --text: #eef7ff;
  --muted: #a8bed1;
  --ink: #102033;
  --accent: #12b8e8;
  --accent-dark: #057aa3;
  --ring: rgba(18, 184, 232, .25);
  --shadow: 0 24px 70px rgba(0, 0, 0, .28);
  --radius: 24px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background: radial-gradient(circle at top left, rgba(18,184,232,.22), transparent 35%), var(--bg);
}
a { color: inherit; }
img { max-width: 100%; display: block; }
.container { width: min(1120px, calc(100% - 32px)); margin-inline: auto; }
.site-header { position: sticky; top: 0; z-index: 10; backdrop-filter: blur(18px); background: rgba(7, 17, 31, .78); border-bottom: 1px solid rgba(255,255,255,.08); }
.nav { height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: flex; align-items: center; gap: 12px; font-weight: 800; text-decoration: none; letter-spacing: -.02em; }
.brand img { width: 48px; height: 48px; border-radius: 50%; }
.nav-links { display: flex; align-items: center; gap: 22px; }
.nav-links a { text-decoration: none; color: var(--muted); font-weight: 600; }
.nav-links a:hover { color: white; }
.nav-cta { color: white !important; background: rgba(18,184,232,.18); padding: 10px 16px; border: 1px solid rgba(18,184,232,.45); border-radius: 999px; }
.nav-toggle { display: none; background: transparent; border: 0; color: white; font-size: 28px; }
.hero { padding: 88px 0 72px; overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items: center; }
.eyebrow { color: var(--accent); font-weight: 800; text-transform: uppercase; letter-spacing: .14em; font-size: .78rem; margin: 0 0 10px; }
h1, h2, h3, p { margin-top: 0; }
h1 { font-size: clamp(3rem, 7vw, 5.9rem); line-height: .95; letter-spacing: -.07em; margin-bottom: 24px; }
h2 { font-size: clamp(2rem, 4vw, 3.4rem); line-height: 1; letter-spacing: -.05em; margin-bottom: 16px; }
h3 { margin-bottom: 8px; }
.hero-text, .section-heading p, .contact p { color: var(--muted); font-size: 1.1rem; line-height: 1.7; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin: 28px 0 18px; }
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 0 20px; border-radius: 999px; text-decoration: none; font-weight: 800; }
.btn-primary { background: linear-gradient(135deg, var(--accent), #80e4ff); color: #001423; box-shadow: 0 12px 35px rgba(18,184,232,.32); }
.btn-secondary { border: 1px solid rgba(255,255,255,.18); color: white; background: rgba(255,255,255,.06); }
.registration-note { color: #dff7ff; font-weight: 700; }
.hero-card { position: relative; padding: 28px; border-radius: 40px; background: linear-gradient(145deg, rgba(255,255,255,.14), rgba(255,255,255,.03)); border: 1px solid rgba(255,255,255,.16); box-shadow: var(--shadow); }
.hero-card img { width: min(420px, 100%); margin: auto; filter: drop-shadow(0 28px 28px rgba(0,0,0,.28)); }
.section { padding: 82px 0; }
.section-soft { background: linear-gradient(180deg, rgba(255,255,255,.045), rgba(255,255,255,.015)); border-block: 1px solid rgba(255,255,255,.08); }
.section-heading { max-width: 780px; margin-bottom: 34px; }
.row-heading { max-width: none; display: flex; align-items: end; justify-content: space-between; gap: 24px; }
.muted { color: var(--muted); }
.values-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.values-grid article, .empty-card { padding: 24px; border-radius: var(--radius); background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.10); }
.values-grid p, .empty-card p { color: var(--muted); line-height: 1.65; }
.members-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); gap: 18px; }
.member-card { overflow: hidden; border-radius: 24px; background: var(--card); color: var(--ink); box-shadow: 0 14px 40px rgba(0,0,0,.18); }
.member-card img, .member-fallback { width: 100%; aspect-ratio: 1 / 1; object-fit: cover; background: linear-gradient(135deg, var(--accent), #07111f); }
.member-fallback { display: grid; place-items: center; color: white; font-size: 2.2rem; font-weight: 900; }
.member-card.image-error img { display: none; }
.member-card.image-error::before { content: "BN"; display: grid; place-items: center; aspect-ratio: 1; background: linear-gradient(135deg, var(--accent), #07111f); color: white; font-size: 2rem; font-weight: 900; }
.member-info { padding: 16px; }
.member-info h3 { font-size: 1rem; }
.member-info p { color: #5f7182; font-size: .9rem; margin: 0; }
.photo-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.photo-card { display: block; overflow: hidden; border-radius: 22px; border: 1px solid rgba(255,255,255,.10); background: rgba(255,255,255,.06); }
.photo-card img { width: 100%; height: 220px; object-fit: cover; transition: transform .25s ease; }
.photo-card:hover img { transform: scale(1.05); }
.video-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.video-card { border-radius: var(--radius); overflow: hidden; background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.10); }
.video-card iframe { width: 100%; aspect-ratio: 16 / 9; border: 0; display: block; }
.video-card h3 { padding: 16px; font-size: 1rem; }
.contact { display: flex; align-items: center; justify-content: space-between; gap: 30px; padding: 46px; margin-block: 80px; border-radius: 32px; background: linear-gradient(135deg, rgba(18,184,232,.22), rgba(255,255,255,.06)); border: 1px solid rgba(255,255,255,.13); }
.footer { padding: 28px 0; color: var(--muted); border-top: 1px solid rgba(255,255,255,.08); }
.footer-inner { display: flex; justify-content: space-between; gap: 16px; }

@media (max-width: 860px) {
  .nav-toggle { display: block; }
  .nav-links { position: absolute; top: 76px; left: 16px; right: 16px; padding: 18px; display: none; flex-direction: column; align-items: stretch; background: #0b1728; border: 1px solid rgba(255,255,255,.12); border-radius: 18px; box-shadow: var(--shadow); }
  .nav-links.is-open { display: flex; }
  .hero-grid, .values-grid, .video-grid { grid-template-columns: 1fr; }
  .photo-grid { grid-template-columns: repeat(2, 1fr); }
  .row-heading, .contact, .footer-inner { display: block; }
  .contact .btn { margin-top: 18px; }
}

@media (max-width: 520px) {
  .photo-grid { grid-template-columns: 1fr; }
  .section { padding: 58px 0; }
  .contact { padding: 28px; }
}