:root{--navy:#08254a;--red:#d82435;--red-dark:#b71928;--gold:#f7c948;--ice:#f4f7fb;--text:#142033;--muted:#64748b}*{box-sizing:border-box}body{margin:0;min-height:100vh;display:grid;place-items:center;padding:24px;background:var(--ice);color:var(--text);font-family:Inter,Arial,Helvetica,sans-serif}main{width:min(100%,520px);padding:40px 28px;border-radius:28px;background:#fff;box-shadow:0 18px 50px rgba(8,37,74,.12);text-align:center}.mark{width:72px;height:72px;display:grid;place-items:center;margin:0 auto 22px;border-radius:22px;background:var(--navy);color:var(--gold);font-size:34px}h1{margin:0;color:var(--navy);font-size:clamp(28px,6vw,40px);line-height:1.08}p{margin:16px auto 0;color:var(--muted);font-size:17px;line-height:1.55}.loader{width:36px;height:36px;margin:24px auto;border:4px solid #e4e9f2;border-top-color:var(--red);border-radius:50%;animation:spin .8s linear infinite}.button{display:inline-flex;justify-content:center;width:100%;padding:15px 20px;border-radius:14px;background:var(--red);color:#fff;font-weight:800;text-decoration:none;transition:.18s ease}.button:hover{background:var(--red-dark);transform:translateY(-1px)}small{display:block;margin-top:16px;color:var(--muted)}@keyframes spin{to{transform:rotate(360deg)}}@media(prefers-reduced-motion:reduce){.loader{animation:none}}