:root{--primary:#18394c;--bg: #f0f2f5;--card-bg: #ffffff;--text: #333}body.dark{--bg: #121212;--card-bg: #1e1e1e;--text: #e0e0e0}.app-root,html,body,#root{height:100%;margin:0}.app-root{display:flex;flex-direction:column;min-height:100vh}body{font-family:Roboto,system-ui,-apple-system,Segoe UI,sans-serif;background-color:var(--bg);color:var(--text)}.app-header{background-color:var(--primary);color:#fff;display:flex;align-items:center;justify-content:space-between;padding:2px 10px;min-height:64px}.app-header img{max-height:48px;margin-right:12px}.hero{background:linear-gradient(135deg,#e3f2fd,#bbdefb);text-align:center;padding:16px}body.dark .hero{background:linear-gradient(135deg,#1c1c1c,#2a2a2a)}main{flex:1;max-width:1000px;margin:40px auto;padding:0 16px}.cards{display:flex;flex-wrap:wrap;gap:24px;justify-content:center}.card{background:var(--card-bg);border-radius:12px;width:420px;padding:18px 16px;min-height:240px;box-shadow:0 4px 8px #0000001f;display:flex;flex-direction:column;justify-content:space-between;text-align:left;opacity:0;transform:translateY(30px);transition:all .3s;max-width:520px}.card.visible{opacity:1;transform:translateY(0)}.card__media{display:flex;align-items:center;justify-content:center;margin-bottom:12px}.card__media img{max-width:120px;height:auto}.card button{margin-top:12px;background-color:var(--primary);color:#fff;border:none;padding:8px 20px;border-radius:6px}footer{background:var(--primary);color:#fff;text-align:center;padding:16px;margin-top:auto}@media(max-width:600px){.card{width:calc(100% - 32px);max-width:480px}.cards{flex-direction:column;align-items:center}}@media(min-width:900px){main{max-width:1400px}.cards{max-width:1320px;justify-content:center}.card{width:420px;flex-shrink:0;max-width:520px}}@media(min-width:1360px){main{max-width:1400px}.cards{max-width:1320px;justify-content:center}.card{width:420px;max-width:520px}}