/* OSBF shared interior refresh */
.osbf-page-hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 25% 20%, rgba(255,255,255,.12), transparent 45%),
    radial-gradient(circle at 85% 10%, rgba(255,255,255,.08), transparent 40%),
    linear-gradient(90deg, #0b5ea1 0%, #1c6fb5 45%, #6e93bd 100%);
  text-align: center;
  padding: 2.25rem 1rem 1.9rem 1rem;
}
.osbf-page-hero .container { position: relative; z-index: 2; padding-left: 20px; padding-right: 20px; }
.osbf-page-hero h1, .osbf-page-hero h3 {
  color: #fff; font-weight: 800; letter-spacing: .01em; text-transform: none; line-height: 1.1;
  margin: 0 auto 12px auto; max-width: 900px; font-size: clamp(1.55rem, 2.5vw, 2.7rem);
  text-wrap: balance; overflow-wrap: anywhere; text-shadow: 0 2px 6px rgba(0,0,0,.15);
}
.osbf-page-hero .hero-subtitle { color: rgba(255,255,255,.94); font-size: 1.05rem; font-weight: 600; margin-top: 10px; margin-bottom: 0; }
.osbf-page-hero .breadcrumbs, .osbf-page-hero .breadcrumbs a { color: rgba(255,255,255,.75); font-size: .9rem; }
.osbf-page-hero .breadcrumbs a:hover { color: #ffffff; }
.osbf-page-hero:before {
  content: ""; position: absolute; inset: 0; background-image: radial-gradient(rgba(255,255,255,.05) 1px, transparent 1px);
  background-size: 3px 3px; opacity: .12; pointer-events: none; z-index: 1;
}
.osbf-page-hero:after {
  content: ""; position: absolute; top: -40px; right: -30px; width: 220px; height: 220px; border-radius: 50%;
  background: rgba(255,255,255,.08); filter: blur(8px); pointer-events: none; z-index: 1;
}
.osbf-wave-divider {
  height: 22px;
  background: radial-gradient(circle at 13px -6px, transparent 18px, #ffffff 19px) repeat-x;
  background-size: 32px 32px;
  margin-top: -1px;
}
.osbf-page-section { background: linear-gradient(180deg, #f7fbff 0%, #ffffff 140px); padding-top: 2.5rem; padding-bottom: 3.5rem; }
.osbf-page-card, .osbf-form-card {
  background: #ffffff; border-radius: 22px; border: 1px solid rgba(11, 94, 161, .08); box-shadow: 0 12px 32px rgba(11, 94, 161, .08);
}
.osbf-form-card { padding: 28px; }
.osbf-shop-shell .product-card {
  background: linear-gradient(180deg, #f8fcff 0%, #fff 100%); border: 1px solid rgba(11, 94, 161, .08); border-radius: 18px; padding: 18px;
  box-shadow: 0 8px 22px rgba(11, 94, 161, .08); transition: transform .2s ease, box-shadow .2s ease;
}
.osbf-shop-shell .product-card:hover { transform: translateY(-4px); box-shadow: 0 14px 30px rgba(11, 94, 161, .12); }
.osbf-shop-shell .product-card .image-holder { text-align: center; }
.osbf-shop-shell .product-card .image-holder img { border-radius: 12px; box-shadow: 0 12px 24px rgba(0,0,0,.14); transition: transform .25s ease, box-shadow .25s ease; }
.osbf-shop-shell .product-card:hover .image-holder img { transform: translateY(-4px) scale(1.02); box-shadow: 0 18px 36px rgba(0,0,0,.20); }
.osbf-shop-shell .card-title, .osbf-shop-shell .card-title a { text-transform: none !important; letter-spacing: .01em; font-weight: 800; }
.osbf-auth-shell input, .osbf-auth-shell select, .osbf-auth-shell textarea,
.osbf-checkout-shell input:not([type="checkbox"]):not([type="radio"]),
.osbf-checkout-shell select,
.osbf-checkout-shell textarea {
    width: 100%;
    border: 1px solid #cfe0ec !important;
    border-radius: 14px;
    background: #f8fcff !important;
    padding: 14px 16px !important;
    color: #17324a;
    min-height: 52px;
    transition: border-color .2s ease, box-shadow .2s ease, background .2s ease, transform .2s ease;
    box-shadow: none !important;
}
.osbf-checkout-shell .form-check {
    display: flex;
    align-items: center;
    gap: .65rem;
    padding: 14px 16px;
}

.osbf-checkout-shell .form-check-input[type="checkbox"],
.osbf-checkout-shell .form-check-input[type="radio"] {
    width: 1.05rem;
    height: 1.05rem;
    min-height: 1.05rem;
    margin: 0;
    padding: 0 !important;
    border-radius: .25rem;
    flex: 0 0 auto;
    appearance: auto;
    -webkit-appearance: checkbox;
    background: initial !important;
    box-shadow: none !important;
    transform: none !important;
}

.osbf-checkout-shell .form-check-label {
    display: inline-block;
    margin: 0;
}

.osbf-page-hero {
    padding: 2.5rem 0;
}

.osbf-page-hero h1 {
    margin-bottom: .35rem;
    font-size: clamp(2rem, 4vw, 3.5rem);
    line-height: 1.05;
}

.osbf-page-hero .hero-subtitle {
    margin-bottom: .5rem;
    font-size: 1.15rem;
}

.osbf-page-hero .breadcrumbs {
    font-size: .95rem;
}

.osbf-checkout-shell {
    padding-top: 2.5rem;
    padding-bottom: 2.5rem;
}

.osbf-page-card.padded {
    padding: 1.5rem;
}

.osbf-checkout-shell .checkout-wrap {
    max-width: 980px;
    margin: 0 auto;
}

.osbf-checkout-shell .checkout-wrap .col-lg-8 {
    width: 100%;
    max-width: 860px;
}

.osbf-checkout-shell .shadow-sm.rounded-3 {
    border: 1px solid #e7edf3;
    border-radius: 20px !important;
    box-shadow: 0 10px 30px rgba(16, 45, 84, 0.06) !important;
}

.osbf-checkout-shell h2.mb-2 {
    margin-bottom: .5rem !important;
    font-size: clamp(2rem, 3vw, 2.5rem);
    line-height: 1.1;
}

.osbf-checkout-shell .d-flex.align-items-start.justify-content-between.flex-wrap.gap-3 {
    align-items: center !important;
    gap: 1rem !important;
}

.osbf-checkout-shell p.mb-1,
.osbf-checkout-shell p.mb-0 {
    margin-bottom: .35rem !important;
    font-size: 1rem;
    color: #334e68;
    word-break: break-word;
}

.osbf-checkout-shell p strong {
    color: #1f2d3d;
}

.osbf-checkout-shell .badge {
    border-radius: 999px;
    font-size: .9rem;
    font-weight: 700;
    letter-spacing: .02em;
    padding: .55rem 1rem !important;
}

.osbf-checkout-shell hr.my-4 {
    margin-top: 1.5rem !important;
    margin-bottom: 1.5rem !important;
    opacity: 1;
    border-color: #d8e3ee;
}

.osbf-checkout-shell .table {
    margin-bottom: 0;
}

.osbf-checkout-shell .table th,
.osbf-checkout-shell .table td {
    padding: .95rem .5rem;
    border-color: #dbe6f0;
    vertical-align: middle;
}

.osbf-checkout-shell .table th {
    color: #55708a;
    font-size: .95rem;
    font-weight: 800;
    letter-spacing: .04em;
    text-transform: uppercase;
}

.osbf-checkout-shell .table td {
    font-size: 1.05rem;
    font-weight: 700;
    color: #17324a;
}

.osbf-checkout-shell .table-light th,
.osbf-checkout-shell .table-light td {
    background: #f6f9fc;
}

.osbf-checkout-shell .mt-4 {
    margin-top: 1.5rem !important;
}

.osbf-checkout-shell .btn {
    min-height: 54px;
    padding: .85rem 1.3rem;
    border-radius: 16px;
    font-weight: 700;
}

.osbf-checkout-shell .btn-outline-dark {
    border-width: 1px;
}
.osbf-paid-pill {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    padding: .7rem 1rem;
    border-radius: 999px;
    background: linear-gradient(135deg, #e8f8ee 0%, #d7f2e2 100%);
    border: 1px solid #8fd1a9;
    color: #127a43;
    font-size: .95rem;
    font-weight: 800;
    letter-spacing: .02em;
    line-height: 1;
    box-shadow: 0 6px 18px rgba(18, 122, 67, 0.12);
}
.osbf-email-status {
    display: inline-flex;
    align-items: center;
    gap: .55rem;
    margin-top: 1rem;
    padding: .8rem 1rem;
    border-radius: 14px;
    font-size: .95rem;
    font-weight: 600;
    line-height: 1.4;
}

.osbf-email-status-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.35rem;
    height: 1.35rem;
    border-radius: 50%;
    font-size: .8rem;
    font-weight: 800;
    flex: 0 0 1.35rem;
}

.osbf-email-status-success {
    background: #eef8f1;
    border: 1px solid #b7dfc2;
    color: #1e6b3a;
}

.osbf-email-status-success .osbf-email-status-icon {
    background: #1aa35c;
    color: #fff;
}

.osbf-email-status-warning {
    background: #fff8e8;
    border: 1px solid #f0d28a;
    color: #8a5a00;
}

.osbf-email-status-warning .osbf-email-status-icon {
    background: #d89b00;
    color: #fff;
}

.osbf-status-stack {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: .75rem;
    flex: 0 0 auto;
}

.osbf-email-status {
    display: inline-flex;
    align-items: center;
    gap: .55rem;
    padding: .75rem 1rem;
    border-radius: 999px;
    font-size: .95rem;
    font-weight: 700;
    line-height: 1.2;
    margin-top: 0 !important;
    box-shadow: 0 6px 18px rgba(16, 45, 84, 0.08);
}

.osbf-email-status-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.25rem;
    height: 1.25rem;
    border-radius: 50%;
    font-size: .8rem;
    font-weight: 800;
    flex: 0 0 1.25rem;
}

.osbf-email-status-success {
    background: linear-gradient(135deg, #e8f8ee 0%, #d7f2e2 100%);
    border: 1px solid #8fd1a9;
    color: #127a43;
}

.osbf-email-status-success .osbf-email-status-icon {
    background: #1aa35c;
    color: #fff;
}

.osbf-email-status-warning {
    background: #fff8e8;
    border: 1px solid #f0d28a;
    color: #8a5a00;
}

.osbf-email-status-warning .osbf-email-status-icon {
    background: #d89b00;
    color: #fff;
}

@media (max-width: 767.98px) {
    .osbf-status-stack {
        align-items: flex-start;
        width: 100%;
    }
}

.osbf-paid-pill-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.35rem;
    height: 1.35rem;
    border-radius: 50%;
    background: #1aa35c;
    color: #fff;
    font-size: .85rem;
    font-weight: 900;
    flex: 0 0 1.35rem;
}
@media (max-width: 991.98px) {
    .osbf-page-hero {
        padding: 2rem 0;
    }

    .osbf-checkout-shell {
        padding-top: 1.75rem;
        padding-bottom: 1.75rem;
    }

    .osbf-page-card.padded {
        padding: 1rem;
    }

    .osbf-checkout-shell .shadow-sm.rounded-3 {
        padding: 1.5rem !important;
    }

    .osbf-checkout-shell .d-flex.align-items-start.justify-content-between.flex-wrap.gap-3 {
        align-items: flex-start !important;
    }
}

.osbf-auth-shell input:focus, .osbf-auth-shell select:focus, .osbf-auth-shell textarea:focus,
.osbf-checkout-shell input:focus, .osbf-checkout-shell select:focus, .osbf-checkout-shell textarea:focus { border-bottom-color: #0b5ea1; }
.osbf-btn-primary {
  background: linear-gradient(180deg, #ff9d2f 0%, #f2860d 100%); color: #fff; border: none; border-radius: 14px; padding: 14px 22px;
  font-weight: 800; text-transform: none; box-shadow: 0 10px 24px rgba(242, 134, 13, .26);
}
.osbf-btn-primary:hover, .osbf-btn-primary:focus { color: #fff; background: linear-gradient(180deg, #ffa947 0%, #f2860d 100%); box-shadow: 0 14px 28px rgba(242, 134, 13, .30); }
.osbf-btn-secondary {
  background: #0b5ea1; color: #fff; border: none; border-radius: 14px; padding: 14px 22px; font-weight: 800; text-transform: none;
  box-shadow: 0 10px 24px rgba(11, 94, 161, .22);
}
.osbf-btn-secondary:hover, .osbf-btn-secondary:focus { color: #fff; background: #0a528c; }
.osbf-kicker { display:inline-flex; align-items:center; padding:8px 14px; border-radius:999px; background:#eef7ff; color:#0b5ea1; border:1px solid rgba(11,94,161,.12); font-size:.9rem; font-weight:700; }
.osbf-page-card.padded { padding: 24px; }
@media only screen and (max-width: 991px) {
  .osbf-page-section { padding-top: 1.75rem; padding-bottom: 2.5rem; }
  .osbf-form-card { padding: 22px; }
}
.osbf-shop-shell .product-store > [class*="col-"] {
    display: flex;
}

.osbf-shop-card {
    display: flex;
    flex-direction: column;
    width: 100%;
    min-height: 100%;
    padding: 20px 18px 26px;
    border: 1px solid #d9e4ef;
    border-radius: 24px;
    background: #fff;
    box-shadow: 0 12px 28px rgba(18, 62, 109, 0.06);
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.osbf-shop-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 16px 34px rgba(18, 62, 109, 0.10);
    border-color: #c7d9eb;
}

.osbf-shop-card-image {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 260px;
    margin-bottom: 18px;
}

.osbf-shop-card-image a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    min-height: 260px;
}

.osbf-shop-card-image img {
    max-height: 230px;
    width: auto;
    max-width: 100%;
    object-fit: contain;
    border-radius: 16px;
}

.osbf-shop-card-detail {
    display: flex;
    flex-direction: column;
    flex: 1 1 auto;
    padding: 0;
}

.osbf-shop-card-title {
    min-height: 3.2em;
    line-height: 1.15;
    font-weight: 800;
    letter-spacing: 0;
    text-transform: none;
}

.osbf-shop-card-title a {
    color: #0b5ea1;
    text-decoration: none;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.osbf-shop-card-title a:hover {
    color: #084a7d;
    text-decoration: underline;
}

.osbf-shop-card-author {
    min-height: 1.5em;
    font-size: 0.98rem;
    line-height: 1.35;
    color: #5d738a;
    font-weight: 500;
}

.osbf-shop-card-author-empty {
    visibility: hidden;
}

.osbf-shop-card-price {
    font-size: 1.05rem;
    font-weight: 800;
}

.osbf-shop-card-button {
    margin-top: auto !important;
    padding-top: 14px;
}

.osbf-shop-card-button .osbf-btn-primary {
    min-width: 138px;
    justify-content: center;
}

.osbf-shop-shell .widget-title {
    color: #1b2a3a;
    font-weight: 800;
    letter-spacing: 0;
    margin-bottom: 12px;
}

.osbf-shop-shell .sidebar .tags-item {
    margin-bottom: 6px;
    line-height: 1.35;
}

.osbf-shop-shell .sidebar .tags-item a {
    color: #31485f;
    text-decoration: none;
    font-weight: 500;
}

.osbf-shop-shell .sidebar .tags-item a:hover {
    color: #0b5ea1;
    text-decoration: underline;
}

.osbf-shop-shell .widget-search-bar .search-field {
    font-size: 1rem;
    color: #31485f;
}

.osbf-shop-shell .showing-product p {
    color: #31485f;
    font-weight: 500;
}
.osbf-shop-shell .paging-navigation {
    margin-top: 18px;
    margin-bottom: 8px;
    padding-top: 10px;
}

.osbf-shop-shell .loop-pagination {
    gap: 14px;
}

.loop-pagination {
    gap: 10px;
    flex-wrap: nowrap;
}

.loop-pagination .page-numbers,
.loop-pagination .page-arrow {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 12px;
    border-radius: 999px;
    text-decoration: none;
    line-height: 1;
}

.loop-pagination .page-numbers {
    color: #0b5ea1;
}

.loop-pagination .page-numbers.current {
    background: #0b5ea1;
    color: #fff;
    font-weight: 700;
}

.loop-pagination .page-numbers.dots {
    min-width: auto;
    padding: 0 4px;
    color: #5d738a;
}

.loop-pagination .page-arrow {
    color: #0b5ea1;
}

@media (max-width: 991.98px) {
    .osbf-shop-card-image,
    .osbf-shop-card-image a {
        min-height: 220px;
    }

    .osbf-shop-card-image img {
        max-height: 200px;
    }
}


#footer .social-links ul {
    gap: 16px;
    align-items: center;
    margin: 0;
    padding: 0;
}

#footer .social-links li {
    padding-right: 0;
}

#footer .social-links a {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: #eef7ff;
    border: 1px solid rgba(11, 94, 161, .10);
    transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}

#footer .social-links a:hover {
    transform: translateY(-2px);
    background: #e3f1ff;
    box-shadow: 0 10px 20px rgba(11, 94, 161, .12);
}

#footer .social-links svg {
    width: 24px;
    height: 24px;
    color: #0b5ea1;
}

#footer .widget-title {
    font-size: 1.6rem;
    font-weight: 800;
    letter-spacing: .01em;
    text-transform: none;
    margin-bottom: 1rem;
}
#footer .footer-menu img {
    max-width: 160px;
    height: auto;
}
#footer a {
    color: #17324a;
    text-decoration: none;
    font-weight: 600;
}

#footer a:hover {
    color: #0b5ea1;
    text-decoration: underline;
}
#footer {
    border-top: 1px solid rgba(11, 94, 161, .08);
}

#footer .footer-top-area {
    padding-top: 1rem;
}

#footer p,
#footer li,
#footer .menu-item {
    color: #4d6477;
}

/* Checkout glam pass
--------------------------------------------------------------*/

.osbf-checkout-shell .osbf-page-card {
    border-radius: 28px;
    box-shadow: 0 18px 42px rgba(11, 94, 161, .08);
    border: 1px solid rgba(11, 94, 161, .08);
}

.osbf-checkout-shell h3 {
    font-size: clamp(1.6rem, 2vw, 2.2rem);
    font-weight: 800;
    letter-spacing: .01em;
    text-transform: none;
    margin-bottom: 1.25rem;
    color: #17324a;
}

.osbf-checkout-shell label {
    font-size: .98rem;
    font-weight: 700;
    text-transform: none;
    letter-spacing: 0;
    color: #355066;
    margin-bottom: 8px;
    display: block;
}

.osbf-checkout-shell .billing-details,
.osbf-checkout-shell .your-order {
    background: linear-gradient(180deg, #fbfdff 0%, #ffffff 100%);
    border: 1px solid rgba(11, 94, 161, .08);
    border-radius: 22px;
    padding: 22px;
    box-shadow: 0 10px 24px rgba(11, 94, 161, .05);
}

.osbf-checkout-shell .billing-details .py-3 {
    padding-top: .7rem !important;
    padding-bottom: .7rem !important;
}

.osbf-checkout-shell input:not([type="checkbox"]):not([type="radio"]),
.osbf-checkout-shell select,
.osbf-checkout-shell textarea {
    width: 100%;
    border: 1px solid #cfe0ec !important;
    border-radius: 14px;
    background: #f8fcff !important;
    padding: 14px 16px !important;
    color: #17324a;
    min-height: 52px;
    transition: border-color .2s ease, box-shadow .2s ease, background .2s ease, transform .2s ease;
    box-shadow: none !important;
}

.osbf-checkout-shell textarea {
    min-height: 110px;
    resize: vertical;
}

.osbf-checkout-shell input::placeholder,
.osbf-checkout-shell textarea::placeholder {
    color: #7891a6;
}

.osbf-checkout-shell input:focus,
.osbf-checkout-shell select:focus,
.osbf-checkout-shell textarea:focus {
    border-color: #0b5ea1 !important;
    background: #fff !important;
    box-shadow: 0 0 0 4px rgba(11, 94, 161, .08) !important;
    outline: none;
    transform: translateY(-1px);
}

.osbf-checkout-shell .form-check {
    background: #f8fcff;
    border: 1px solid rgba(11, 94, 161, .08);
    border-radius: 16px;
    padding: 14px 16px 14px 2.2rem;
}

.osbf-checkout-shell .form-check-input {
    margin-top: .2rem;
}

.osbf-checkout-shell hr {
    border-color: #e3edf5;
    opacity: 1;
    margin: 2rem 0;
}

.osbf-checkout-shell .your-order {
    margin-top: 1.25rem;
}

.osbf-checkout-shell .table {
    margin-bottom: 1.5rem;
}

.osbf-checkout-shell .table th {
    color: #537086;
    font-size: .92rem;
    letter-spacing: .05em;
    text-transform: uppercase;
    font-weight: 800;
    width: 34%;
}

.osbf-checkout-shell .table td {
    color: #17324a;
    font-weight: 700;
}

.osbf-checkout-shell .table tr {
    border-color: #e3edf5;
}

.osbf-checkout-shell .price-amount {
    color: #0b5ea1 !important;
    font-weight: 900;
    font-size: 1.08rem;
}

.osbf-checkout-shell .order-total th,
.osbf-checkout-shell .order-total td {
    font-size: 1.08rem;
}

.osbf-checkout-shell #shipMethod {
    border-radius: 12px;
    border: 1px solid #cfe0ec !important;
    background: #fff;
    min-height: 46px;
}

.osbf-checkout-shell #payment-element {
    background: linear-gradient(180deg, #fbfdff 0%, #ffffff 100%);
    border: 1px solid rgba(11, 94, 161, .08);
    border-radius: 18px;
    padding: 16px;
    box-shadow: inset 0 1px 0 rgba(255,255,255,.65);
}

.osbf-checkout-shell #payment-error {
    font-weight: 700;
    padding: 10px 12px;
    border-radius: 12px;
    background: #fff4f4;
    border: 1px solid rgba(220, 53, 69, .16);
}

.osbf-checkout-shell .btn.btn-dark,
.osbf-checkout-shell .btn.btn-primary {
    border: none;
    border-radius: 16px;
    min-height: 56px;
    font-size: 1.05rem;
    font-weight: 800;
    text-transform: none;
    letter-spacing: .01em;
}

.osbf-checkout-shell .btn.btn-dark,
.osbf-checkout-shell .btn.btn-primary,
.osbf-checkout-shell .osbf-btn-primary {
    background: linear-gradient(180deg, #ff9d2f 0%, #f2860d 100%) !important;
    color: #fff !important;
    box-shadow: 0 14px 28px rgba(242, 134, 13, .22);
}

.osbf-checkout-shell .btn.btn-dark:hover,
.osbf-checkout-shell .btn.btn-primary:hover,
.osbf-checkout-shell .osbf-btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 18px 32px rgba(242, 134, 13, .28);
}

.osbf-checkout-shell #accountPrompt {
    border-radius: 18px !important;
    border: 1px solid rgba(11, 94, 161, .08) !important;
    background: linear-gradient(180deg, #f8fcff 0%, #ffffff 100%) !important;
}

.osbf-checkout-shell .small,
.osbf-checkout-shell .text-muted {
    color: #5f788c !important;
}

@media (max-width: 991px) {
    .osbf-checkout-shell .billing-details,
    .osbf-checkout-shell .your-order {
        padding: 18px;
    }

    .osbf-checkout-shell .table th,
    .osbf-checkout-shell .table td {
        display: table-cell;
    }
}

.osbf-checkout-shell .checkout-col-card {
    background: linear-gradient(180deg, #fbfdff 0%, #ffffff 100%);
    border: 1px solid rgba(11, 94, 161, .08);
    border-radius: 24px;
    box-shadow: 0 12px 28px rgba(11, 94, 161, .06);
    padding: 26px;
    height: 100%;
}
/* ----------------------------------------------
   OSBF consolidated inline styles moved from PHP
---------------------------------------------- */

/* From header.php */
@media print { .no-print, .no-print * { display: none !important; } }

/* From index.php */
.osbf-home-hero {
            position: relative;
            overflow: hidden;
            background:
                    radial-gradient(circle at 25% 20%, rgba(255,255,255,.12), transparent 45%),
                    radial-gradient(circle at 85% 10%, rgba(255,255,255,.08), transparent 40%),
                    linear-gradient(90deg, #0b5ea1 0%, #1c6fb5 45%, #7fa4cf 100%);
            padding: 2.25rem 0 1.35rem;
        }
        .osbf-home-hero:before {
            content: "";
            position: absolute;
            inset: 0;
            background-image: radial-gradient(rgba(255,255,255,.05) 1px, transparent 1px);
            background-size: 3px 3px;
            opacity: .10;
            pointer-events: none;
        }
        .osbf-home-hero .swiper-slide {
            padding: 1rem 0 2rem;
        }
        .osbf-home-hero .hero-book-wrap {
            background: rgba(255,255,255,.08);
            border: 1px solid rgba(255,255,255,.15);
            border-radius: 26px;
            padding: 1.25rem;
            display: flex;
            align-items: center;
            justify-content: center;
            min-height: 430px;
            backdrop-filter: blur(2px);
        }
        .osbf-home-hero .hero-book-wrap img {
            max-height: 360px;
            width: auto;
            max-width: 82%;
            border-radius: 16px;
            background: #fff;
            box-shadow: 0 22px 48px rgba(0,0,0,.28);
            transition: transform .25s ease, box-shadow .25s ease;
        }
        .main-slider-pagination {
            padding-bottom: .25rem;
        }
        .osbf-home-hero .hero-book-wrap:hover img {
            transform: translateY(-6px) scale(1.02);
            box-shadow: 0 28px 56px rgba(0,0,0,.34);
        }
        .osbf-home-hero .banner-content {
            color: #fff;
            padding: 1rem 0 1rem 1.5rem;
            opacity: 1 !important;
        }
        .osbf-kicker {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 14px;
            border-radius: 999px;
            background: rgba(255,255,255,.14);
            border: 1px solid rgba(255,255,255,.18);
            color: rgba(255,255,255,.95);
            font-size: .9rem;
            font-weight: 700;
            margin-bottom: 1rem;
        }
        .osbf-home-hero h1 {
            color: #fff;
            font-size: clamp(2rem, 3vw, 3.2rem);
            font-weight: 900;
            text-transform: none;
            letter-spacing: .01em;
            line-height: 1.02;
            margin-bottom: .4rem;
            max-width: 640px;
            text-shadow: 0 3px 8px rgba(0,0,0,.14);
        }
        .osbf-home-hero .hero-author {
            color: rgba(255,255,255,.82);
            font-size: .95rem;
            font-weight: 700;
            margin-bottom: .8rem;
            text-transform: uppercase;
            letter-spacing: .05em;
        }
        .osbf-home-hero .hero-desc {
            color: rgba(255,255,255,.94);
            font-size: clamp(1rem, 1.5vw, 1.25rem);
            line-height: 1.65;
            margin-bottom: 1.2rem;
            max-width: 620px;
        }
        .osbf-home-hero .hero-desc-secondary {
            color: rgba(255,255,255,.94);
            font-size: clamp(1rem, 1.5vw, 1.25rem);
            line-height: 1.65;
            margin-bottom: 1.2rem;
            max-width: 620px;
        }
        .osbf-price-row {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-wrap: wrap;
            margin-bottom: 1.5rem;
        }
        .osbf-price-pill {
            color: #fff;
            font-weight: 900;
            font-size: 2rem;
        }
        .osbf-hero-btn,
        .osbf-hero-btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border-radius: 14px;
            padding: 14px 22px;
            font-weight: 800;
            text-transform: none;
            text-decoration: none;
            transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
        }
        .osbf-hero-btn {
            background: linear-gradient(180deg, #ff9d2f 0%, #f2860d 100%);
            color: #fff;
            box-shadow: 0 12px 28px rgba(242, 134, 13, .28);
        }
        .osbf-hero-btn:hover {
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 16px 34px rgba(242, 134, 13, .34);
        }
        .osbf-hero-btn-secondary {
            background: rgba(255,255,255,.12);
            border: 1px solid rgba(255,255,255,.18);
            color: #fff;
        }
        .osbf-hero-btn-secondary:hover {
            color: #fff;
            background: rgba(255,255,255,.18);
        }
        .main-slider-pagination .swiper-pagination-bullet {
            background: rgba(255,255,255,.45);
            border: none !important;
            width: 12px;
            height: 12px;
            margin: 0 7px !important;
        }
        .main-slider-pagination .swiper-pagination-bullet-active {
            background: #fff;
        }

        .osbf-home-section {
            padding: 3rem 0;
            background: linear-gradient(180deg, #f7fbff 0%, #ffffff 130px);
        }
        .osbf-section-shell {
            background: #fff;
            border-radius: 24px;
            border: 1px solid rgba(11, 94, 161, .08);
            box-shadow: 0 12px 34px rgba(11, 94, 161, .08);
        }
        .osbf-feature-card {
            height: 100%;
            background: linear-gradient(180deg, #f8fcff 0%, #fff 100%);
            border: 1px solid rgba(11, 94, 161, .08);
            border-radius: 20px;
            padding: 24px 20px;
            box-shadow: 0 8px 24px rgba(11, 94, 161, .08);
            transition: transform .2s ease, box-shadow .2s ease;
        }
        .osbf-feature-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 14px 32px rgba(11, 94, 161, .12);
        }
        .osbf-feature-icon {
            width: 76px;
            height: 76px;
            border-radius: 50%;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: #eef7ff;
            border: 1px solid rgba(11, 94, 161, .10);
            margin-bottom: 18px;
        }
        .osbf-feature-icon svg {
            width: 30px;
            height: 30px;
            color: #0b5ea1;
        }
        .osbf-feature-card h4,
        .osbf-home-section h3,
        .osbf-home-section h4,
        .osbf-home-section h5 {
            text-transform: none;
            letter-spacing: .01em;
            font-weight: 800;
        }
        .osbf-support-shell {
            background: linear-gradient(180deg, #eff8ff 0%, #ffffff 100%);
            border-radius: 24px;
            border: 1px solid rgba(11, 94, 161, .08);
            box-shadow: 0 12px 32px rgba(11, 94, 161, .08);
            overflow: hidden;
        }
        .osbf-support-image {
            background: linear-gradient(180deg, #edf7ff 0%, #ffffff 100%);
            min-height: 100%;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 2rem;
        }
        .osbf-support-image img {
            max-width: 100%;
            border-radius: 18px;
            box-shadow: 0 18px 36px rgba(0,0,0,.16);
        }
        .osbf-support-copy {
            padding: 2.5rem;
        }
        .osbf-chip {
            display: inline-flex;
            align-items: center;
            padding: 8px 14px;
            border-radius: 999px;
            background: #eef7ff;
            color: #0b5ea1;
            border: 1px solid rgba(11, 94, 161, .12);
            font-size: .9rem;
            font-weight: 700;
            margin-bottom: 1rem;
        }
        .osbf-popular-grid {
            display: grid;
            grid-template-columns: repeat(4, minmax(0, 1fr));
            gap: 24px;
        }
        .osbf-product-card {
            background: linear-gradient(180deg, #f8fcff 0%, #fff 100%);
            border: 1px solid rgba(11, 94, 161, .08);
            border-radius: 18px;
            padding: 18px;
            box-shadow: 0 8px 22px rgba(11, 94, 161, .08);
            transition: transform .2s ease, box-shadow .2s ease;
            height: 100%;
        }
        .osbf-product-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 16px 32px rgba(11, 94, 161, .12);
        }
        .osbf-product-card .image-holder {
            text-align: center;
            margin-bottom: 14px;
        }
        .osbf-product-card .image-holder img {
            border-radius: 12px;
            box-shadow: 0 12px 24px rgba(0,0,0,.15);
            transition: transform .25s ease, box-shadow .25s ease;
        }
        .osbf-product-card:hover .image-holder img {
            transform: translateY(-4px) scale(1.02);
            box-shadow: 0 18px 32px rgba(0,0,0,.22);
        }
        .osbf-product-card .card-title {
            min-height: 54px;
            line-height: 1.25;
        }
        .osbf-product-card .card-title a {
            color: #17324a;
            text-transform: none;
            letter-spacing: .01em;
            font-weight: 800;
        }
        .osbf-product-card .item-price {
            color: #0b5ea1 !important;
            font-weight: 900;
            font-size: 1.25rem !important;
        }
        .osbf-card-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 100%;
            margin-top: 12px;
            background: linear-gradient(180deg, #ff9d2f 0%, #f2860d 100%);
            color: #fff !important;
            border-radius: 12px;
            padding: 12px 16px;
            font-weight: 800;
            text-transform: none;
            box-shadow: 0 10px 22px rgba(242, 134, 13, .22);
        }
        .osbf-card-btn:hover {
            color: #fff !important;
            transform: translateY(-1px);
        }
        .osbf-faq-shell {
            background: #fff;
            border: 1px solid rgba(11, 94, 161, .08);
            border-radius: 24px;
            box-shadow: 0 12px 32px rgba(11, 94, 161, .08);
            padding: 2rem;
        }
        #faqs .accordion-item {
            border-bottom: 1px solid #e3edf5;
            padding: 8px 0;
        }
        #faqs .accordion-item:last-child {
            border-bottom: none;
        }
        #faqs .accordion-button {
            font-size: 1.1rem;
            font-weight: 700;
            padding-left: 0;
            padding-right: 0;
        }
        #faqs .accordion-body {
            padding-left: 0;
            padding-right: 0;
            color: #4d6477;
        }
        @media (max-width: 1199px) {
            .osbf-popular-grid {
                grid-template-columns: repeat(3, minmax(0, 1fr));
            }
        }
        @media (max-width: 991px) {
            .osbf-home-hero .banner-content {
                padding-left: 0;
                padding-top: 2rem;
                text-align: center;
            }
            .osbf-home-hero .hero-desc,
            .osbf-home-hero .hero-desc-secondary {
                margin-left: auto;
                margin-right: auto;
            }
            .osbf-home-hero .hero-book-wrap {
                min-height: 380px;
            }
            .osbf-popular-grid {
                grid-template-columns: repeat(2, minmax(0, 1fr));
            }
            .osbf-support-copy {
                padding: 2rem;
            }
        }
        @media (max-width: 575px) {
            .osbf-popular-grid {
                grid-template-columns: 1fr;
            }
            .osbf-home-hero {
                padding-top: 2rem;
            }
            .osbf-home-hero .hero-book-wrap {
                min-height: 320px;
                padding: 1rem;
            }
            .osbf-home-hero .hero-book-wrap img {
                max-height: 280px;
            }
        }

        #header-nav {
            padding-top: 12px;
            padding-bottom: 12px;
            border-bottom: 1px solid rgba(11, 94, 161, .08);
        }

        #header-nav .navbar-brand .logo {
            max-height: 74px;
            width: auto;
        }

        #navbar > .list-unstyled {
            gap: 24px;
        }

        #navbar .nav-link {
            font-weight: 700;
            letter-spacing: .01em;
            text-transform: uppercase;
            color: #0b5ea1;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        #navbar .nav-link:hover,
        #navbar .nav-link:focus {
            color: #f2860d;
        }

        #navbar .nav-link svg {
            width: 14px;
            height: 14px;
            opacity: .8;
        }

        #navbar .dropdown-menu {
            border: 1px solid rgba(11, 94, 161, .08);
            border-radius: 16px;
            padding: 10px 0;
            box-shadow: 0 18px 36px rgba(11, 94, 161, .12);
        }

        #navbar .dropdown-item {
            font-size: 1rem !important;
            font-weight: 600;
            padding: 10px 18px;
            color: #17324a;
        }

        #navbar .dropdown-item:hover,
        #navbar .dropdown-item:focus {
            background: #eef7ff;
            color: #0b5ea1;
        }
        .osbf-nav-search-form {
            display: flex;
            align-items: center;
            gap: 10px;
            margin: 0;
        }

        .osbf-nav-search-input {
            height: 44px;
            min-width: 220px;
            padding: 0 16px;
            border: 1px solid rgba(11, 94, 161, .18);
            border-radius: 999px;
            background: #f8fcff;
            color: #17324a;
            font-size: .98rem;
            line-height: 44px;
            outline: none;
            transition: border-color .2s ease, box-shadow .2s ease, background .2s ease;
        }

        .osbf-nav-search-input::placeholder {
            color: #6c8498;
        }

        .osbf-nav-search-input:focus {
            border-color: #0b5ea1;
            background: #fff;
            box-shadow: 0 0 0 4px rgba(11, 94, 161, .08);
        }

        .osbf-nav-search-btn {
            height: 44px;
            padding: 0 18px;
            border: none;
            border-radius: 999px;
            background: linear-gradient(180deg, #ff9d2f 0%, #f2860d 100%);
            color: #fff;
            font-weight: 800;
            text-transform: none;
            box-shadow: 0 10px 22px rgba(242, 134, 13, .22);
            transition: transform .2s ease, box-shadow .2s ease;
        }

        .osbf-nav-search-btn:hover,
        .osbf-nav-search-btn:focus {
            transform: translateY(-1px);
            box-shadow: 0 14px 26px rgba(242, 134, 13, .28);
        }

/* From single-product.php */
.osbf-product-hero {
            position: relative;
            overflow: hidden;
            background:
                    radial-gradient(circle at 25% 20%, rgba(255,255,255,.12), transparent 45%),
                    radial-gradient(circle at 85% 10%, rgba(255,255,255,.08), transparent 40%),
                    linear-gradient(90deg, #0b5ea1 0%, #1c6fb5 45%, #6e93bd 100%);
            text-align: center;
            padding: 2.25rem 1rem 1.9rem 1rem;
        }

        .osbf-product-hero .container {
            position: relative;
            z-index: 2;
            padding-left: 20px;
            padding-right: 20px;
        }

        .osbf-product-hero h1 {
            color: #fff;
            font-weight: 800;
            letter-spacing: .01em;
            text-transform: none;
            line-height: 1.1;
            margin: 0 auto 12px auto;
            max-width: 900px;
            font-size: clamp(1.55rem, 2.5vw, 2.7rem);
            text-wrap: balance;
            overflow-wrap: anywhere;
            text-shadow: 0 2px 6px rgba(0,0,0,.15);
        }

        .osbf-product-hero .hero-subtitle {
            color: rgba(255,255,255,.9);
            font-size: 1.05rem;
            font-weight: 600;
            margin-top: 10px;
            margin-bottom: 0;
        }

        .osbf-product-hero .breadcrumbs,
        .osbf-product-hero .breadcrumbs a {
            color: rgba(255,255,255,.75);
            font-size: .9rem;
        }

        .osbf-product-hero .breadcrumbs a:hover {
            color: #ffffff;
        }

        .osbf-product-hero:before {
            content: "";
            position: absolute;
            inset: 0;
            background-image: radial-gradient(rgba(255,255,255,.05) 1px, transparent 1px);
            background-size: 3px 3px;
            opacity: .12;
            pointer-events: none;
            z-index: 1;
        }

        .osbf-product-hero:after {
            content: "";
            position: absolute;
            top: -40px;
            right: -30px;
            width: 220px;
            height: 220px;
            border-radius: 50%;
            background: rgba(255,255,255,.08);
            filter: blur(8px);
            pointer-events: none;
            z-index: 1;
        }

        .osbf-product-hero .hero-kicker {
            display: inline-block;
            padding: 8px 16px;
            border-radius: 999px;
            background: rgba(255,255,255,.14);
            border: 1px solid rgba(255,255,255,.24);
            font-weight: 700;
            letter-spacing: .05em;
            text-transform: uppercase;
            font-size: .8rem;
        }

        .osbf-wave-divider {
            display:none;
        }

        .osbf-single-wrap {
            background: linear-gradient(180deg, #f7fbff 0%, #ffffff 120px);
            padding-bottom: 48px !important;
        }

        .osbf-book-shell {
            background: #fff;
            border-radius: 24px;
            box-shadow: 0 18px 45px rgba(11, 94, 161, .12);
            padding: 26px;
            border: 1px solid rgba(11, 94, 161, .08);
        }
        .osbf-cover-panel {
            background: linear-gradient(180deg, #eff8ff 0%, #ffffff 100%);
            border-radius: 22px;
            padding: 26px;
            border: 1px solid rgba(11, 94, 161, .08);
            text-align: center;
            position: relative;
            overflow: hidden;
            display: flex;
            align-items: center;
            justify-content: center;
            min-height: 320px;
            box-shadow: 0 10px 30px rgba(11, 94, 161, .08);
            transition: box-shadow .25s ease, transform .25s ease;
        }

        .osbf-cover-panel:hover {
            box-shadow: 0 18px 42px rgba(11, 94, 161, .14);
            transform: translateY(-2px);
        }

        .osbf-cover-panel:before {
            content: "";
            position: absolute;
            right: -22px;
            top: -22px;
            width: 110px;
            height: 110px;
            border-radius: 50%;
            background: rgba(255, 186, 73, .18);
        }

        .osbf-cover-panel img {
            max-height: 440px;
            width: auto;
            max-width: 82%;
            border-radius: 14px;
            box-shadow: 0 16px 34px rgba(0,0,0,.18);
            position: relative;
            z-index: 1;
            background: #fff;
            display: block;
            transition: transform .25s ease, box-shadow .25s ease;
        }

        .osbf-cover-panel:hover img {
            transform: translateY(-6px) scale(1.02);
            box-shadow: 0 22px 48px rgba(0,0,0,.28);
        }

        .osbf-badge-row {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 16px;
        }

        .osbf-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 14px;
            border-radius: 999px;
            background: #eef7ff;
            color: #0b5ea1;
            border: 1px solid rgba(11, 94, 161, .12);
            font-size: .9rem;
            font-weight: 700;
        }

        .osbf-title {
            font-size: clamp(1.9rem, 3vw, 3rem);
            font-weight: 800;
            line-height: 1.08;
            letter-spacing: .01em;
            text-transform: none;
            margin-bottom: 8px;
        }

        .osbf-author {
            font-size: 1.05rem;
            color: #49657b;
            margin-bottom: 18px;
        }

        .osbf-price-block {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 14px;
            margin-bottom: 20px;
        }

        .osbf-price-main {
            font-size: 2rem;
            line-height: 1;
            color: #0b5ea1;
            font-weight: 900;
        }

        .osbf-stock-pill {
            display: inline-flex;
            align-items: center;
            padding: 7px 14px;
            border-radius: 999px;
            font-size: .95rem;
            font-weight: 700;
        }

        .osbf-stock-pill.in-stock {
            background: #e8f7ec;
            color: #1c7d3d;
            border: 1px solid rgba(39, 167, 69, .2);
        }

        .osbf-stock-pill.out-stock {
            background: #fff0f1;
            color: #b42330;
            border: 1px solid rgba(220, 53, 69, .18);
        }

        .osbf-copy {
            color: #385368;
            font-size: 1.03rem;
            line-height: 1.75;
        }

        .osbf-copy p:last-child {
            margin-bottom: 0;
        }

        .osbf-cta-card {
            margin-top: 24px;
            padding: 22px;
            border-radius: 20px;
            background: linear-gradient(180deg, #fff7eb 0%, #fff 100%);
            border: 1px solid rgba(232, 180, 79, .28);
        }

        .osbf-qty-label {
            font-size: .9rem;
            text-transform: uppercase;
            letter-spacing: .08em;
            color: #49657b;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .osbf-qty-wrap {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 14px;
            margin-bottom: 18px;
        }

        .osbf-qty-box {
            max-width: 160px;
            background: #fff;
            border: 2px solid #dcecf8;
            border-radius: 14px;
            overflow: hidden;
            padding: 4px;
        }

        .osbf-qty-box button {
            border: none;
            background: transparent;
            width: 40px;
            height: 40px;
            color: #0b5ea1;
        }

        .osbf-qty-box input {
            border: none;
            background: transparent;
            text-align: center;
            font-weight: 700;
            padding: 0;
        }

        .osbf-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }

        .osbf-btn-primary,
        .osbf-btn-secondary {
            border: none;
            border-radius: 14px;
            padding: 14px 22px;
            font-weight: 800;
            letter-spacing: .01em;
            text-transform: none;
            transition: .2s ease;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            text-decoration: none;
            cursor: pointer;
        }

        .osbf-btn-primary {
            background: linear-gradient(180deg, #ff9d2f 0%, #f2860d 100%);
            color: #fff;
            box-shadow: 0 10px 24px rgba(242, 134, 13, .26);
        }

        .osbf-btn-primary:hover {
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 14px 28px rgba(242, 134, 13, .30);
        }

        .osbf-btn-secondary {
            background: #0b5ea1;
            color: #fff;
            box-shadow: 0 10px 24px rgba(11, 94, 161, .22);
        }

        .osbf-btn-secondary:hover {
            color: #fff;
            transform: translateY(-1px);
        }

        .osbf-helper {
            margin-top: 14px;
            color: #4d6477;
            font-size: .96rem;
        }

        .osbf-trust-grid {
            display: grid;
            grid-template-columns: repeat(3, minmax(0, 1fr));
            gap: 12px;
            margin-top: 22px;
        }

        .osbf-trust-card {
            background: #f6fbff;
            border: 1px solid rgba(11, 94, 161, .08);
            border-radius: 18px;
            padding: 16px 14px;
            text-align: center;
        }

        .osbf-trust-card svg {
            width: 24px;
            height: 24px;
            color: #0b5ea1;
            margin-bottom: 8px;
        }

        .osbf-trust-card strong {
            display: block;
            color: #14324b;
            font-size: .95rem;
        }

        .osbf-trust-card span {
            display: block;
            color: #5b7387;
            font-size: .86rem;
            line-height: 1.4;
        }

        .osbf-meta-card,
        .osbf-related-shell {
            background: #fff;
            border-radius: 22px;
            border: 1px solid rgba(11, 94, 161, .08);
            box-shadow: 0 12px 32px rgba(11, 94, 161, .08);
        }

        .osbf-meta-card {
            margin-top: 26px;
            padding: 22px;
        }

        .osbf-meta-title,
        .osbf-related-title {
            font-size: 1.25rem;
            font-weight: 800;
            text-transform: none;
            letter-spacing: .01em;
            margin-bottom: 18px;
        }

        .osbf-meta-list {
            display: grid;
            gap: 14px;
        }

        .osbf-meta-row {
            display: grid;
            grid-template-columns: 140px 1fr;
            gap: 12px;
            align-items: start;
            padding-bottom: 14px;
            border-bottom: 1px dashed #dbe9f4;
        }

        .osbf-meta-row:last-child {
            border-bottom: none;
            padding-bottom: 0;
        }

        .osbf-meta-label {
            color: #547086;
            text-transform: uppercase;
            font-size: .82rem;
            letter-spacing: .08em;
            font-weight: 800;
        }

        .osbf-meta-value {
            color: #17324a;
            font-weight: 600;
            line-height: 1.55;
        }

        .osbf-tag-list {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .osbf-tag {
            display: inline-flex;
            align-items: center;
            padding: 8px 12px;
            border-radius: 999px;
            background: #fff7eb;
            color: #995b00;
            border: 1px solid rgba(232, 180, 79, .28);
            font-size: .9rem;
            font-weight: 700;
        }

        .osbf-tag:hover {
            color: #7b4900;
        }

        .osbf-related-section {
            padding-top: 14px;
            padding-bottom: 36px;
        }

        .osbf-related-shell {
            padding: 24px;
        }

        .osbf-related-head {
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            margin-bottom: 18px;
        }

        .osbf-related-sub {
            color: #5b7387;
            margin-bottom: 0;
        }

        .osbf-related-card {
            height: 100%;
            background: linear-gradient(180deg, #f8fcff 0%, #fff 100%);
            border: 1px solid rgba(11, 94, 161, .08);
            border-radius: 18px;
            padding: 18px;
            transition: .2s ease;
        }

        .osbf-related-card:hover {
            transform: translateY(-3px);
            box-shadow: 0 14px 28px rgba(11, 94, 161, .10);
        }

        .osbf-related-card .image-holder {
            text-align: center;
            margin-bottom: 14px;
        }

        .osbf-related-card .image-holder img {
            max-height: 220px;
            width: auto;
            max-width: 100%;
            border-radius: 10px;
            box-shadow: 0 10px 24px rgba(0,0,0,.14);
            background: #fff;
        }

        .osbf-related-card h5 {
            font-size: 1.02rem;
            font-weight: 800;
            text-transform: none;
            letter-spacing: .01em;
            min-height: 50px;
            margin-bottom: 8px;
        }

        .osbf-related-card h5 a {
            color: #17324a;
        }

        .osbf-related-price {
            color: #0b5ea1;
            font-weight: 900;
            font-size: 1.1rem;
            margin-bottom: 12px;
        }

        .osbf-related-actions {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }

        .osbf-related-actions a,
        .osbf-related-actions button {
            flex: 1 1 auto;
            min-width: 120px;
            border-radius: 12px;
            padding: 10px 14px;
            font-weight: 800;
            border: none;
        }

        .osbf-related-view {
            background: #eaf5ff;
            color: #0b5ea1;
        }

        .osbf-related-add {
            background: #ff9d2f;
            color: #fff;
        }

        .osbf-bilingual-note {
            margin-top: 16px;
            padding: 14px 16px;
            background: #f8fbfd;
            border-radius: 16px;
            border: 1px solid #e4eef5;
        }

        .osbf-bilingual-note h6 {
            margin-bottom: 8px;
            font-size: .9rem;
            font-weight: 800;
            letter-spacing: .05em;
            text-transform: uppercase;
            color: #537086;
        }

        .osbf-bilingual-note p {
            margin-bottom: 0;
            color: #486175;
            font-size: .98rem;
        }

        @media (max-width: 991.98px) {
            .osbf-trust-grid {
                grid-template-columns: 1fr;
            }

            .osbf-meta-row {
                grid-template-columns: 1fr;
                gap: 6px;
            }

            .osbf-book-shell {
                padding: 18px;
            }

            .osbf-cover-panel {
                padding: 18px;
            }
        }

        @media (max-width: 575.98px) {
            .osbf-actions {
                flex-direction: column;
            }

            .osbf-btn-primary,
            .osbf-btn-secondary {
                width: 100%;
            }

            .osbf-related-shell {
                padding: 18px;
            }
        }

@media (max-width: 991.98px) {
    #header-nav {
        padding-top: 10px;
        padding-bottom: 10px;
    }

    .osbf-mobile-nav {
        width: 100%;
    }

    .osbf-mobile-nav-top {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 12px;
        width: 100%;
    }

    .osbf-mobile-brand {
        display: inline-flex;
        align-items: center;
        text-decoration: none;
    }

    .osbf-mobile-brand .logo {
        max-height: 42px;
        width: auto;
    }

    .osbf-mobile-menu-btn {
        border: 0;
        background: transparent;
        padding: 6px;
        box-shadow: none;
    }

    .osbf-mobile-menu-btn:focus {
        box-shadow: none;
    }

    .osbf-hamburger {
        width: 28px;
        height: 20px;
        display: inline-flex;
        flex-direction: column;
        justify-content: space-between;
    }

    .osbf-hamburger span {
        display: block;
        height: 3px;
        border-radius: 999px;
        background: #0b5ea1;
    }

    #mobileNavCollapse {
        margin-top: 12px;
    }

    .osbf-mobile-menu {
        border-top: 1px solid rgba(11, 94, 161, .08);
    }

    .osbf-mobile-menu li {
        border-bottom: 1px solid rgba(11, 94, 161, .08);
    }

    .osbf-mobile-menu a {
        display: block;
        padding: 14px 4px;
        color: #0b5ea1;
        font-weight: 700;
        letter-spacing: .01em;
        text-transform: uppercase;
        text-decoration: none;
    }

    .osbf-mobile-menu a:hover,
    .osbf-mobile-menu a:focus {
        color: #f2860d;
    }
}