:root{
  --bg:#ffffff;
  --alt:#f8fafc;
  --text:#0f172a;
  --muted:#6b7280;
  --primary:#2563eb;
  --border:#e5e7eb;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,Noto Sans,sans-serif;
  color:var(--text);
  background:var(--bg);
  line-height:1.6;
}
img{max-width:100%;display:block}
a{color:var(--primary)}
a:hover{opacity:.9}

.container{width:min(1100px,92%);margin-inline:auto}

/* Header / Nav */
.site-header{position:sticky;top:0;background:#fff;border-bottom:1px solid var(--border);z-index:1000}
.nav-container{display:flex;align-items:center;justify-content:space-between;padding:14px 0}
.logo{font-weight:700;letter-spacing:.3px}
.nav{list-style:none;display:flex;gap:18px;margin:0;padding:0}
.nav a{display:block;text-decoration:none;color:var(--text);padding:8px 10px;border-radius:8px}
.nav a:hover{background:var(--alt);color:var(--primary)}

/* Accessibility */
.skip-link{position:absolute;left:-9999px;top:auto;width:1px;height:1px;overflow:hidden}
.skip-link:focus{left:8px;top:8px;width:auto;height:auto;padding:8px 12px;background:#000;color:#fff;border-radius:6px}

/* Sections */
.section{padding:64px 0;scroll-margin-top:80px}
.alt{background:var(--alt)}
.hero{padding:96px 0;background:linear-gradient(135deg,#eff6ff,#ffffff)}
.hero h1{font-size:clamp(28px,5vw,44px);margin:0 0 12px}
.accent{color:var(--primary)}
.tags{display:flex;gap:8px;flex-wrap:wrap;list-style:none;padding:0;margin:16px 0}
.tags li{background:var(--alt);border:1px solid var(--border);padding:4px 10px;border-radius:999px;font-size:14px}
.btn{display:inline-block;background:var(--primary);color:#fff;text-decoration:none;padding:10px 16px;border-radius:10px;margin-top:8px}
.btn:hover{filter:brightness(.95)}


.grid-2{display:grid;grid-template-columns:1.2fr .8fr;gap:24px;align-items:center}
.profile img{border-radius:12px;border:1px solid var(--border)}

.check{padding-left:20px}
.check li{margin:6px 0}

.media-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.media-grid img{border-radius:12px;border:1px solid var(--border)}
.video-wrapper{position:relative;padding-bottom:56.25%;height:0;border-radius:12px;overflow:hidden;border:1px solid var(--border);background:#000}
.video-wrapper iframe{position:absolute;inset:0;width:100%;height:100%}

.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px}
.card{border:1px solid var(--border);border-radius:12px;padding:16px;background:#fff}
.card h3{margin-top:0}

.links{padding-left:20px}

.site-footer{padding:24px 0;border-top:1px solid var(--border);text-align:center;background:#fff}

@media (max-width: 820px){
  .grid-2{grid-template-columns:1fr}
  .media-grid{grid-template-columns:1fr}
  .nav{flex-wrap:wrap}
}