.registration-page {
    --ink: #263c34;
    --green: #284f40;
    --muted: #647168;
    max-width: 1040px;
    margin: 0 auto;
    padding: 64px 24px;
    color: var(--ink);
    background: radial-gradient(ellipse at top right, #efe4cf 0, transparent 55%), #f8f6f0;
    border-radius: 0 0 28px 28px;
}
.registration-intro { max-width: 720px; margin: 0 auto 40px; text-align: center; }
.registration-eyebrow { font-size: .75rem; font-weight: 700; letter-spacing: .16em; color: #786039; }
.registration-intro h1 { font-family: Georgia, serif; font-size: clamp(2.2rem, 6vw, 3.7rem); line-height: 1.12; margin: 18px 0 22px; }
.registration-intro > p:last-of-type { max-width: 540px; margin: auto; line-height: 1.75; color: var(--muted); }
.registration-details { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; margin-top: 24px; }
.registration-details span { padding: 8px 14px; border: 1px solid #d8ddcf; border-radius: 30px; font-size: .85rem; }
.registration-page .registration-card { max-width: 720px !important; padding: 28px 40px 40px; background: #fff; border: 1px solid #e4e7de; border-radius: 20px; box-shadow: 0 16px 48px #233d3010; }
.registration-card h2 { font-family: Georgia, serif; font-size: 2rem; }
.registration-help { color: var(--muted); font-size: .95rem; line-height: 1.65; }
.registration-card hr { margin: 24px 0; color: #a6b5a9; }
.registration-card label, .registration-card legend { font-weight: 600; margin-bottom: 8px; }
.registration-card .form-control { min-height: 48px; padding: 12px 14px; font-size: 16px; color: var(--ink); border: 1px solid #c8d2c9; border-radius: 9px; }
.registration-card .form-control:focus { border-color: var(--green); box-shadow: 0 0 0 3px #284f4020; }
.registration-card .alert { margin-bottom: 10px; }
.registration-card .alert-info { background: #f1f5ef; border: 0; color: #4d6255; padding: 12px 14px !important; font-size: .9rem !important; line-height: 1.6; border-radius: 8px; }
.registration-card .dropdown-toggle { width: 100%; min-height: 48px; text-align: left; padding: 12px 14px; border: 1px solid #c8d2c9; background: white; white-space: normal; }
.registration-card .dropdown-menu { width: 100%; }
.registration-card .dropdown-item { min-height: 44px; padding: 12px 14px; white-space: normal; }
.companion-fieldset { min-width: 0; }
.companion-fieldset legend { font-size: 1rem; float: none; }
.companion-options { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.companion-option { position: relative; cursor: pointer; min-width: 0; }
.companion-option input { position: absolute; top: 16px; left: 16px; width: 20px; height: 20px; accent-color: var(--green); }
.companion-card { display: flex; height: 100%; flex-direction: column; align-items: center; text-align: center; border: 2px solid #e1e6de; border-radius: 12px; padding: 20px 12px; }
.companion-card img { width: 100%; height: 170px; object-fit: contain; margin-bottom: 16px; }
.companion-card > span { font-weight: 400; font-size: .85rem; color: var(--muted); margin-top: 6px; }
.companion-option input:checked + .companion-card { border-color: var(--green); background: #eef4ee; }
.companion-option input:focus-visible + .companion-card { outline: 3px solid #99723c; outline-offset: 3px; }
.registration-card .btn-warning { width: 100%; min-height: 52px; background: var(--green); border-color: var(--green); color: white; font-weight: 600; border-radius: 9px; }
.registration-card .btn-warning:hover { background: #183a2d; }
.registration-card button:focus-visible, .registration-card a:focus-visible { outline: 3px solid #99723c; outline-offset: 3px; }
@media (max-width: 600px) {
    .registration-page { padding: 36px 12px; }
    .registration-page .registration-card { padding: 20px 18px 28px; border-radius: 14px; }
    .registration-intro { margin-bottom: 28px; }
    .registration-details { gap: 6px; }
    .registration-details span { font-size: .8rem; padding: 7px 10px; }
    .companion-options { gap: 10px; }
    .companion-card { padding: 42px 8px 16px; }
    .companion-card img { height: 120px; }
}
@media (max-width: 360px) {
    .companion-options { grid-template-columns: 1fr; }
}