body .gbr-system {
    max-width: 1220px;
    margin: auto;
    font-family: Arial, Helvetica, sans-serif;
}
.gbr-title {
    text-align: center;
    color: #151515;
    margin-bottom: 32px;
}
.gbr-title h1 {
    margin: 0 0 8px;
    font-size: 34px;
}
.gbr-title p {
    margin: 0;
    color: #7b746b;
}
.gbr-cards {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 22px;
    align-items: center;
}
.gbr-product-card {
    min-height: 570px;
    border-radius: 22px;
    overflow: hidden;
    position: relative;
    background-size: cover;
    background-position: center;
    box-shadow: 0 18px 45px rgba(0,0,0,.22);
    border: 1px solid transparent;
}
.gbr-product-card.gbr-featured {
    min-height: 620px;
    border: 2px solid #d6ad29;
}
.gbr-product-card::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, rgba(0,0,0,.42), rgba(0,0,0,.62), rgba(0,0,0,.88));
}
.gbr-card-content {
    position: relative;
    z-index: 2;
    height: 100%;
    min-height: inherit;
    padding: 28px 26px;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    color: #fff;
}
.gbr-tag {
    position: absolute;
    top: 18px;
    right: 18px;
    background: rgba(0,0,0,.58);
    border: 1px solid rgba(255,255,255,.28);
    color: #fff;
    font-size: 11px;
    font-weight: 800;
    padding: 12px 16px;
    border-radius: 999px;
}
.gbr-card-content h2 {
    font-family: Georgia, serif;
    font-size: 34px;
    line-height: 1.05;
    margin: 0 0 14px;
    color: #fff;
    text-shadow: 0 4px 18px rgba(0,0,0,.7);
}
.gbr-subtitle {
    font-size: 13px;
    font-weight: 700;
    line-height: 1.45;
    color: rgba(255,255,255,.86);
    margin-bottom: 18px;
}
.gbr-card-content ul {
    list-style: none;
    padding: 0;
    margin: 0 0 24px;
}
.gbr-card-content li {
    font-size: 13px;
    font-weight: 700;
    line-height: 1.35;
    margin-bottom: 13px;
    color: rgba(255,255,255,.9);
    position: relative;
    padding-left: 18px;
}
.gbr-card-content li::before {
    content: "•";
    color: #d6ad29;
    font-size: 24px;
    line-height: 0;
    position: absolute;
    left: 0;
    top: 9px;
}
.gbr-price {
    font-family: Georgia, serif;
    font-size: 50px;
    line-height: 1;
    margin-bottom: 18px;
    color: #fff;
    text-shadow: 0 4px 18px rgba(0,0,0,.75);
}
.gbr-reserve-btn,
.gbr-submit {
    display: block;
    width: 100%;
    text-align: center;
    text-decoration: none;
    background: #d6ad29;
    color: #090909 !important;
    border-radius: 999px;
    padding: 17px 16px;
    font-size: 12px;
    letter-spacing: 1.5px;
    font-weight: 900;
    border: none;
    cursor: pointer;
}
.gbr-bottom-line {
    display: flex;
    justify-content: space-between;
    gap: 15px;
    margin-top: 22px;
    font-size: 10px;
    letter-spacing: 1.2px;
    font-weight: 900;
}
.gbr-availability { color: #d6ad29; }
.gbr-details { color: #fff; }
.gbr-modal {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,.72);
    z-index: 999999;
    padding: 24px;
    overflow-y: auto;
}
.gbr-modal:target { display: block; }
.gbr-form-box {
    max-width: 720px;
    margin: 35px auto;
    background: #fff;
    color: #1f1b16;
    border-radius: 26px;
    padding: 30px;
    position: relative;
}
.gbr-close {
    position: absolute;
    top: 18px;
    right: 22px;
    color: #111;
    text-decoration: none;
    font-size: 28px;
    font-weight: bold;
}
.gbr-form-box h3 {
    margin: 0 0 6px;
    font-size: 28px;
    color: #111;
}
.gbr-form-box p { color: #6f675e; margin-top: 0; }
.gbr-form-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
}
.gbr-form-box input,
.gbr-form-box select,
.gbr-form-box textarea {
    width: 100%;
    padding: 15px;
    border: 1px solid #ddd;
    border-radius: 14px;
    font-size: 15px;
    margin-bottom: 14px;
    color: #111;
    background: #fff;
}
.gbr-form-box label {
    display: block;
    font-weight: 800;
    font-size: 13px;
    margin: 12px 0 7px;
    color: #3a3028;
}
.gbr-notice {
    max-width: 900px;
    margin: 0 auto 22px;
    padding: 14px 16px;
    border-radius: 14px;
    font-weight: bold;
    text-align: center;
}
.gbr-success { background: #e8f8ed; color: #166534; }
.gbr-error { background: #fdecec; color: #991b1b; }

@media (max-width: 1050px) {
    .gbr-cards { grid-template-columns: repeat(2, 1fr); }
    .gbr-product-card,
    .gbr-product-card.gbr-featured { min-height: 560px; }
}
@media (max-width: 650px) {
    .gbr-cards,
    .gbr-form-grid { grid-template-columns: 1fr; }
    .gbr-product-card,
    .gbr-product-card.gbr-featured { min-height: 560px; }
    .gbr-price { font-size: 44px; }
}

.gbr-total-preview {
    margin: 2px 0 14px;
    padding: 15px;
    border-radius: 14px;
    background: #f7efd6;
    color: #111;
    font-weight: 800;
    text-align: center;
}
.gbr-total-preview strong {
    color: #d6ad29;
    font-size: 22px;
}