:root{--max-width:1100px;--accent:#0066ff;--muted:#6b7280;--text:#0b1220;font-family:Inter, system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial;}
*{box-sizing:border-box}
body{margin:0;color:var(--text);background:#fff;line-height:1.6}
.container{max-width:var(--max-width);margin:0 auto;padding:28px}
.site-header{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid #eef2f7}
.brand{display:flex;align-items:center;gap:12px}
.logo{width:48px;height:48px;border-radius:8px}
.nav a{margin-left:12px;text-decoration:none;color:var(--muted);font-weight:600}
.hero{padding:36px 0}
.cta{display:inline-block;padding:10px 14px;border-radius:8px;background:var(--accent);color:white;text-decoration:none}
.skills{display:flex;flex-wrap:wrap;gap:8px;list-style:none;padding:0}
.skills li{background:#fbfdff;padding:8px 10px;border-radius:8px;border:1px solid #eef4ff}
.gallery{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:20px;margin-top:12px}
.media-item{background:#fff;padding:10px;border-radius:8px;border:1px solid #eef4ff}
.course-card{padding:16px;border-radius:10px;border:1px solid #eef4ff;margin-bottom:14px}
.btn{display:inline-block;padding:10px 14px;border-radius:8px;background:var(--accent);color:white;text-decoration:none;font-weight:700;border:0}
.small{font-size:13px}
.muted{color:var(--muted)}
.site-footer{border-top:1px solid #eef2f7;padding:18px 0;text-align:center;color:var(--muted);margin-top:28px}