*{margin:0;padding:0;box-sizing:border-box}body{background:#0b0b0b;font-family:tahoma}.sata-container{width:100%;min-height:100vh;display:flex;justify-content:center;align-items:center;padding:50px}.sata-card{width:900px;background:#151515;border-radius:25px;padding:40px;border:1px solid #2a2a2a;box-shadow:0 0 80px rgba(255,0,0,.15);transition:.4s}.sata-card:hover{box-shadow:0 0 120px rgba(255,0,0,.35)}h1{color:#fff;font-size:40px;margin-bottom:10px}p{color:#999;margin-bottom:30px}.sata-progress{height:8px;background:#222;border-radius:20px;overflow:hidden;margin-bottom:40px}.sata-progress-bar{width:33%;height:100%;background:#d40000;transition:.5s}.sata-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.sata-option{height:130px;background:#1d1d1d;border:1px solid #303030;border-radius:18px;color:#fff;font-size:18px;cursor:pointer;transition:.35s;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:10px}.sata-option:hover{transform:translateY(-6px);background:#d40000;box-shadow:0 0 35px rgba(255,0,0,.45)}.sata-step{display:none;animation:fade .5s}.sata-step.active{display:block}@keyframes fade{from{opacity:0;transform:translateX(30px)}to{opacity:1;transform:translateX(0)}}#sata-results{margin-top:40px;display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:25px}.sata-product-card{background:#181818;border-radius:20px;padding:20px;text-align:center;border:1px solid #333;transition:.35s}.sata-product-card:hover{transform:translateY(-8px);box-shadow:0 0 35px rgba(255,0,0,.4)}.sata-product-card img{width:180px;height:180px;object-fit:contain;margin:auto;display:block}.price{font-size:22px;color:#ff2a2a;margin:15px 0;font-weight:700}.stock{color:#49d449;margin-bottom:15px}.sata-btn{display:inline-block;padding:12px 25px;background:#d40000;color:#fff;border-radius:12px;text-decoration:none;transition:.3s}.sata-btn:hover{background:red}.active-option{background:#d60000 !important;color:#fff !important;border-color:#ff2a2a !important;transform:scale(1.05)}