.si-body{background:var(--sb-light);min-height:calc(100vh - 64px);padding:56px 0 80px}.si-card{border:2px solid var(--sb-line);border-top:5px solid var(--sb-yellow);background:#fff;border-radius:14px;max-width:560px;margin:0 auto;padding:36px;box-shadow:6px 6px #e6e4d8}.si-card h1{text-transform:uppercase;color:var(--sb-black);margin:8px 0 10px;font-family:Anton,cursive;font-size:clamp(30px,5vw,42px);line-height:1.05}.si-lead{color:var(--sb-gray);margin-bottom:22px;font-size:14px;line-height:1.55}.si-tabs{background:var(--sb-light);border:1px solid var(--sb-line);border-radius:8px;gap:6px;margin-bottom:20px;padding:5px;display:flex}.si-tabs button{letter-spacing:.5px;text-transform:uppercase;color:var(--sb-gray);cursor:pointer;background:0 0;border:none;border-radius:6px;flex:1;padding:10px 12px;font-family:Barlow,sans-serif;font-size:13px;font-weight:800;transition:all .15s}.si-tabs button.active{background:var(--sb-black);color:var(--sb-yellow)}.si-error{color:#a13232;background:#fdecec;border:1px solid #f5b5b5;border-radius:8px;margin-bottom:16px;padding:10px 14px;font-size:13px;font-weight:600}.si-form .form-row{grid-template-columns:1fr 1fr;gap:14px;display:grid}.si-form .form-group{margin-bottom:16px}.si-form .form-label{letter-spacing:.5px;text-transform:uppercase;color:var(--sb-black);margin-bottom:6px;font-size:12px;font-weight:800;display:block}.si-form .optional{color:#aaa;text-transform:none;font-weight:600}.si-form .form-input{background:var(--sb-light);width:100%;color:var(--sb-black);appearance:none;border:2px solid #e8e8e8;border-radius:8px;outline:none;padding:11px 14px;font-family:Barlow,sans-serif;font-size:14px;transition:border-color .15s}.si-form .form-input:focus{border-color:var(--sb-yellow)}.si-form .form-input::placeholder{color:#bbb}.si-card .form-note{color:#999;text-align:center;margin-top:14px;font-size:12px}@media (width<=560px){.si-card{padding:24px}.si-form .form-row{grid-template-columns:1fr}}