body{margin:0;background:#0c121b;color:#eef1f6;font:16px/1.6 Arial,sans-serif}*{box-sizing:border-box}a{color:#72efc8}.demo-bar{padding:20px 5%;background:#14232c;display:flex;gap:24px;justify-content:space-between;flex-wrap:wrap;border-bottom:1px solid #34454c}.demo-bar span{font-size:13px;color:#b9cbd5}main{max-width:1100px;margin:auto;padding:50px 24px}h1{font-size:clamp(32px,5vw,56px);line-height:1.1}p{color:#b9cbd5}.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:20px}.card{padding:26px;background:#14212b;border:1px solid #34454c;border-radius:12px}.card img{width:100%;border-radius:7px}.button{display:inline-block;padding:12px 20px;background:#72efc8;color:#09221a;text-decoration:none;border-radius:6px}input,select,textarea{max-width:100%;padding:9px;background:#14212b;color:#fff;border:1px solid #52616c}fieldset{border:0;padding:0;margin:0}button:disabled{opacity:.5}.row{display:flex;flex-wrap:wrap;gap:12px}.col-md-6,.col-lg-6{flex:1;min-width:240px}.form-control{display:block;width:100%}.mb-3{margin-bottom:16px}.d-flex{display:flex;gap:12px}.table{width:100%}th,td{text-align:left;padding:8px;border-bottom:1px solid #34454c}