*{box-sizing:border-box}body{margin:0;font-family:Tahoma,Arial,sans-serif;background:#f5f7fa;color:#172033;line-height:1.8}header{position:sticky;top:0;background:#102a43eF;backdrop-filter:blur(8px);z-index:10}nav{max-width:1150px;margin:auto;display:flex;gap:8px;flex-wrap:wrap;justify-content:center;padding:12px}nav a{color:#fff;text-decoration:none;padding:6px 10px;border-radius:8px}nav a:hover{background:#ffffff20}.hero{min-height:62vh;display:grid;place-items:center;text-align:center;padding:50px 20px;background:linear-gradient(135deg,#102a43,#243b53)}.hero>div{max-width:800px;color:white}.eyebrow{opacity:.8}.hero h1{font-size:clamp(2rem,6vw,4rem);margin:5px 0}.hero h2{font-size:1.25rem;font-weight:400}.btn,button{display:inline-block;border:0;border-radius:10px;padding:10px 18px;background:#147d92;color:#fff;text-decoration:none;cursor:pointer;font-size:1rem}.btn:hover,button:hover{filter:brightness(1.08)}main>section,.leaders{max-width:1100px;margin:35px auto;padding:20px}.leaders{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.leaders article,.card,.student,.form,.admin section{background:#fff;border-radius:16px;padding:20px;box-shadow:0 8px 30px #102a4312}.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:18px}.student img,.gallery img{width:100%;height:220px;object-fit:cover;border-radius:12px}.cards{display:grid;gap:12px}.gallery{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:15px}.gallery figure{margin:0;background:#fff;padding:10px;border-radius:14px}.gallery img{height:200px}footer{text-align:center;padding:30px;background:#102a43;color:#fff}footer a{color:#fff}.admin{max-width:1100px;margin:30px auto;padding:15px}.form{display:grid;gap:12px;margin:15px 0}input,textarea{width:100%;padding:12px;border:1px solid #ccd5df;border-radius:10px;font:inherit}textarea{min-height:110px}.toolbar{display:flex;gap:10px;flex-wrap:wrap}.danger{background:#b42318}pre{white-space:pre-wrap;background:#111827;color:#d1d5db;padding:15px;border-radius:12px}@media(max-width:700px){.leaders{grid-template-columns:1fr}nav{font-size:.9rem}.hero{min-height:55vh}}