/* ==========================================================================
   Caspian Lighting - 3D Yüklə & Tap.az Style OTP Modal Styles
   Colors:
   - Primary Red: #c00000
   - Backgrounds: #ffffff, #f7fafc, #f0f2f5
   - Borders: #e2e8f0, #cbd5e1
   - Text: #1a202c, #4a5568, #718096
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Tap.az Style Centered OTP Modal
   -------------------------------------------------------------------------- */
.caspian-modal-backdrop {
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    bottom: 0 !important;
    width: 100vw !important;
    height: 100vh !important;
    z-index: 9999999 !important;
    display: none;
    align-items: center !important;
    justify-content: center !important;
    padding: 16px !important;
    box-sizing: border-box !important;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.25s ease, visibility 0.25s ease;
    margin: 0 !important;
}

.caspian-modal-backdrop.open {
    opacity: 1 !important;
    visibility: visible !important;
    display: flex !important;
}

.caspian-modal-overlay {
    position: absolute !important;
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    bottom: 0 !important;
    width: 100% !important;
    height: 100% !important;
    background-color: rgba(15, 23, 42, 0.65) !important;
    backdrop-filter: blur(5px) !important;
    -webkit-backdrop-filter: blur(5px) !important;
}

.caspian-modal-dialog {
    position: relative !important;
    width: 100% !important;
    max-width: 440px !important;
    z-index: 10 !important;
    transform: translateY(12px) scale(0.98);
    transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.25s ease;
    box-sizing: border-box !important;
    margin: auto !important;
}

.caspian-modal-backdrop.open .caspian-modal-dialog {
    transform: translateY(0) scale(1) !important;
}

.caspian-modal-content {
    background: #ffffff !important;
    border-radius: 18px !important;
    box-shadow: 0 25px 60px -12px rgba(0, 0, 0, 0.25), 0 0 0 1px rgba(0, 0, 0, 0.06) !important;
    padding: 36px 32px 30px !important;
    position: relative !important;
    box-sizing: border-box !important;
    overflow: hidden !important;
}

/* Close button - strictly on the top right corner */
.caspian-modal-content button.caspian-modal-close,
.caspian-modal-dialog button.caspian-modal-close,
button.caspian-modal-close {
    position: absolute !important;
    top: 16px !important;
    right: 16px !important;
    left: auto !important;
    bottom: auto !important;
    width: 34px !important;
    height: 34px !important;
    min-width: 34px !important;
    min-height: 34px !important;
    max-width: 34px !important;
    max-height: 34px !important;
    padding: 0 !important;
    margin: 0 !important;
    border: none !important;
    border-radius: 50% !important;
    background: #f1f5f9 !important;
    color: #64748b !important;
    cursor: pointer !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    box-shadow: none !important;
    outline: none !important;
    z-index: 50 !important;
    transition: background-color 0.2s ease, color 0.2s ease, transform 0.2s ease !important;
    line-height: 1 !important;
    font-size: 0 !important;
}

.caspian-modal-content button.caspian-modal-close:hover,
.caspian-modal-dialog button.caspian-modal-close:hover,
button.caspian-modal-close:hover {
    background: #fee2e2 !important;
    color: #c00000 !important;
    transform: rotate(90deg) !important;
}

button.caspian-modal-close svg {
    width: 14px !important;
    height: 14px !important;
    stroke: currentColor !important;
    display: block !important;
    pointer-events: none !important;
}

/* Modal Header */
.caspian-modal-badge {
    display: inline-block;
    background: #fef2f2;
    color: #c00000;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.8px;
    padding: 3px 10px;
    border-radius: 20px;
    margin-bottom: 12px;
    border: 1px solid #fee2e2;
}

.caspian-modal-title {
    font-size: 24px;
    font-weight: 800;
    color: #0f172a;
    margin: 0 0 8px;
    line-height: 1.2;
}

.caspian-modal-desc {
    font-size: 14px;
    color: #64748b;
    line-height: 1.5;
    margin: 0 0 24px;
}

.caspian-change-link {
    display: inline-block;
    margin-top: 6px;
    font-size: 13px;
    color: #c00000;
    font-weight: 600;
    text-decoration: underline;
}

.caspian-change-link:hover {
    color: #a00000;
}

/* Form Groups & Inputs */
.caspian-form-group {
    margin-bottom: 18px;
}

.caspian-label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: #334155;
    margin-bottom: 6px;
}

.caspian-phone-box {
    display: flex;
    align-items: center;
    background: #ffffff;
    border: 1.5px solid #cbd5e1;
    border-radius: 10px;
    overflow: hidden;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.caspian-phone-box:focus-within {
    border-color: #c00000;
    box-shadow: 0 0 0 3px rgba(192, 0, 0, 0.12);
}

.caspian-phone-prefix {
    display: flex;
    align-items: center;
    background: #f8fafc;
    border-right: 1.5px solid #cbd5e1;
    padding: 12px 14px;
    font-size: 15px;
    font-weight: 700;
    color: #1e293b;
    user-select: none;
    white-space: nowrap;
}

.caspian-phone-box .caspian-input {
    flex: 1;
    border: none !important;
    background: transparent !important;
    padding: 12px 14px !important;
    font-size: 16px !important;
    font-weight: 600 !important;
    color: #0f172a !important;
    outline: none !important;
    box-shadow: none !important;
    height: auto !important;
    min-height: auto !important;
}

.caspian-input-hint {
    display: block;
    font-size: 12px;
    color: #94a3b8;
    margin-top: 5px;
}

.caspian-input.full-width {
    width: 100%;
    border: 1.5px solid #cbd5e1 !important;
    border-radius: 10px !important;
    padding: 12px 14px !important;
    font-size: 15px !important;
    outline: none !important;
    box-sizing: border-box;
}

.caspian-input.full-width:focus {
    border-color: #c00000 !important;
    box-shadow: 0 0 0 3px rgba(192, 0, 0, 0.12) !important;
}

/* OTP Code Box */
.caspian-otp-input-wrap {
    display: flex;
    justify-content: center;
}

.caspian-code-field {
    width: 100% !important;
    text-align: center !important;
    font-size: 28px !important;
    font-weight: 800 !important;
    letter-spacing: 12px !important;
    padding: 12px 16px !important;
    border: 1.5px solid #cbd5e1 !important;
    border-radius: 10px !important;
    background: #f8fafc !important;
    color: #0f172a !important;
    outline: none !important;
    box-sizing: border-box;
    transition: all 0.2s ease;
}

.caspian-code-field:focus {
    border-color: #c00000 !important;
    background: #ffffff !important;
    box-shadow: 0 0 0 3px rgba(192, 0, 0, 0.12) !important;
}

/* Test Mode Banner */
.caspian-test-banner {
    background: #eff6ff;
    border: 1px dashed #93c5fd;
    border-radius: 8px;
    padding: 10px 14px;
    font-size: 13px;
    color: #1e40af;
    text-align: center;
    margin-bottom: 16px;
}

.caspian-test-banner strong {
    font-size: 16px;
    color: #1d4ed8;
    letter-spacing: 2px;
}

/* Red Submit Button */
.caspian-btn-red {
    width: 100%;
    background-color: #c00000 !important;
    color: #ffffff !important;
    border: none !important;
    border-radius: 10px !important;
    padding: 14px 20px !important;
    font-size: 15px !important;
    font-weight: 700 !important;
    letter-spacing: 0.5px !important;
    text-transform: uppercase !important;
    cursor: pointer !important;
    transition: background-color 0.2s ease, transform 0.1s ease !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    margin-top: 10px !important;
    height: auto !important;
    box-sizing: border-box !important;
}

.caspian-btn-red:hover {
    background-color: #a00000 !important;
    color: #ffffff !important;
}

.caspian-btn-red:active {
    transform: scale(0.99);
}

.caspian-btn-red:disabled {
    background-color: #94a3b8 !important;
    cursor: not-allowed !important;
    transform: none !important;
}

/* Button Spinner */
.btn-spinner {
    width: 18px;
    height: 18px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: #ffffff;
    border-radius: 50%;
    animation: caspian-spin 0.8s linear infinite;
    display: inline-block;
    margin-left: 8px;
}

@keyframes caspian-spin {
    to { transform: rotate(360deg); }
}

/* Resend Box */
.caspian-resend-box {
    text-align: center;
    margin-top: 16px;
    font-size: 13px;
    color: #64748b;
}

.caspian-resend-link {
    color: #c00000;
    font-weight: 700;
    text-decoration: underline;
}

.caspian-resend-link:hover {
    color: #9f0000;
}

/* Alerts */
.caspian-form-alert {
    margin-top: 14px;
    padding: 10px 14px;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 600;
    text-align: center;
}

.caspian-form-alert.alert-error {
    background: #fef2f2;
    border: 1px solid #fecaca;
    color: #b91c1c;
}

.caspian-form-alert.alert-success {
    background: #f0fdf4;
    border: 1px solid #bbf7d0;
    color: #15803d;
}

.caspian-modal-footer-note {
    font-size: 11px;
    color: #94a3b8;
    text-align: center;
    margin-top: 20px;
    line-height: 1.4;
}

.caspian-modal-footer-note a {
    color: #64748b;
    text-decoration: underline;
}

/* Terms Checkbox Group */
.caspian-terms-group {
    margin: 16px 0 14px;
    text-align: left;
}

.caspian-terms-checkbox-label {
    display: flex !important;
    align-items: center !important;
    gap: 10px !important;
    cursor: pointer !important;
    user-select: none !important;
    margin: 0 !important;
    padding: 0 !important;
}

.caspian-terms-checkbox-label input[type="checkbox"].caspian-terms-checkbox {
    position: absolute !important;
    opacity: 0 !important;
    width: 0 !important;
    height: 0 !important;
    margin: 0 !important;
    pointer-events: none !important;
}

.caspian-checkbox-box {
    width: 20px !important;
    height: 20px !important;
    min-width: 20px !important;
    border: 2px solid #cbd5e1 !important;
    border-radius: 6px !important;
    background: #ffffff !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    transition: all 0.2s ease !important;
    box-sizing: border-box !important;
    flex-shrink: 0 !important;
}

.caspian-terms-checkbox-label:hover .caspian-checkbox-box {
    border-color: #94a3b8 !important;
}

.caspian-terms-checkbox-label input[type="checkbox"]:checked + .caspian-checkbox-box {
    background: #c00000 !important;
    border-color: #c00000 !important;
}

.caspian-terms-checkbox-label.has-error .caspian-checkbox-box {
    border-color: #ef4444 !important;
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.2) !important;
}

.caspian-check-icon {
    width: 11px !important;
    height: 9px !important;
    opacity: 0 !important;
    transform: scale(0.6) !important;
    transition: all 0.15s ease-in-out !important;
}

.caspian-terms-checkbox-label input[type="checkbox"]:checked + .caspian-checkbox-box .caspian-check-icon {
    opacity: 1 !important;
    transform: scale(1) !important;
}

.caspian-terms-text {
    font-size: 13px !important;
    color: #475569 !important;
    line-height: 1.4 !important;
}

.caspian-terms-link {
    color: #c00000 !important;
    font-weight: 700 !important;
    text-decoration: underline !important;
    transition: color 0.15s ease !important;
}

.caspian-terms-link:hover {
    color: #990000 !important;
}

/* Terms Modal Popup Styles */
.caspian-terms-backdrop {
    z-index: 10000000 !important;
}

.caspian-terms-dialog {
    max-width: 520px !important;
}

.caspian-terms-content {
    padding: 32px 28px 24px !important;
}

.caspian-terms-header {
    margin-bottom: 16px;
    border-bottom: 1px solid #f1f5f9;
    padding-bottom: 12px;
}

.caspian-terms-subtitle {
    font-size: 13px;
    color: #64748b;
    margin: 4px 0 0;
    line-height: 1.4;
}

.caspian-terms-body {
    max-height: 50vh;
    overflow-y: auto;
    padding-right: 10px;
    font-size: 13px;
    line-height: 1.6;
    color: #334155;
    text-align: left;
    margin-bottom: 20px;
}

.caspian-terms-body::-webkit-scrollbar {
    width: 5px;
}
.caspian-terms-body::-webkit-scrollbar-track {
    background: #f8fafc;
}
.caspian-terms-body::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 4px;
}
.caspian-terms-body::-webkit-scrollbar-thumb:hover {
    background: #94a3b8;
}

.caspian-terms-body h4 {
    font-size: 14px;
    font-weight: 700;
    color: #0f172a;
    margin: 14px 0 4px;
}

.caspian-terms-body h4:first-child {
    margin-top: 0;
}

.caspian-terms-body p {
    margin: 0 0 10px;
    color: #475569;
    font-size: 13px;
    line-height: 1.55;
}

.caspian-terms-footer {
    padding-top: 10px;
}

/* --------------------------------------------------------------------------
   2. 3D Catalog Page Styling (/3d-yukle/)
   -------------------------------------------------------------------------- */
.caspian-3d-page-wrapper {
    max-width: 1280px;
    margin: 0 auto;
    padding: 30px 20px 80px;
    font-family: inherit;
}

/* Banner */
.caspian-3d-banner {
    background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
    border-radius: 16px;
    padding: 45px 35px;
    color: #ffffff;
    margin-bottom: 35px;
    position: relative;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

.caspian-3d-banner::after {
    content: "3D";
    position: absolute;
    right: 20px;
    bottom: -30px;
    font-size: 180px;
    font-weight: 900;
    color: rgba(255, 255, 255, 0.03);
    line-height: 1;
    pointer-events: none;
}

.caspian-3d-banner-tag {
    display: inline-block;
    background: #c00000;
    color: #ffffff;
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 1px;
    text-transform: uppercase;
    padding: 4px 12px;
    border-radius: 4px;
    margin-bottom: 15px;
}

.caspian-3d-banner-title {
    font-size: 32px;
    font-weight: 800;
    color: #ffffff;
    margin: 0 0 10px;
    letter-spacing: -0.5px;
}

.caspian-3d-banner-desc {
    font-size: 15px;
    color: #94a3b8;
    max-width: 650px;
    line-height: 1.6;
    margin: 0;
}

/* User Status Bar */
.caspian-3d-statusbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    padding: 14px 20px;
    margin-bottom: 30px;
    flex-wrap: wrap;
    gap: 12px;
}

.caspian-user-info {
    display: flex;
    align-items: center;
    font-size: 14px;
    font-weight: 600;
    color: #334155;
}

.caspian-user-info .status-dot {
    width: 9px;
    height: 9px;
    background: #22c55e;
    border-radius: 50%;
    margin-right: 10px;
    box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.2);
}

.caspian-logout-link {
    color: #c00000;
    font-size: 13px;
    font-weight: 600;
    margin-left: 14px;
    text-decoration: underline;
}

.caspian-guest-prompt {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    flex-wrap: wrap;
    gap: 12px;
}

.caspian-guest-prompt p {
    margin: 0;
    font-size: 14px;
    color: #475569;
    font-weight: 500;
}

.caspian-trigger-login-btn {
    background: #c00000 !important;
    color: #ffffff !important;
    border: none !important;
    border-radius: 8px !important;
    padding: 9px 18px !important;
    font-size: 13px !important;
    font-weight: 700 !important;
    cursor: pointer !important;
    transition: background-color 0.2s !important;
    display: inline-flex !important;
    align-items: center !important;
    gap: 6px !important;
}

.caspian-trigger-login-btn:hover {
    background: #9f0000 !important;
}

/* 3D Products Grid */
.caspian-3d-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 25px;
    margin-top: 20px;
}

/* Product Card */
.caspian-3d-card {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 14px;
    overflow: hidden;
    transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
    display: flex;
    flex-direction: column;
    position: relative;
}

.caspian-3d-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.08);
    border-color: #cbd5e1;
}

.caspian-3d-card-thumb {
    position: relative;
    width: 100%;
    height: 240px;
    background: #f8fafc;
    border-bottom: 1px solid #f1f5f9;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.caspian-3d-card-thumb img {
    max-width: 85%;
    max-height: 85%;
    object-fit: contain;
    transition: transform 0.3s ease;
}

.caspian-3d-card:hover .caspian-3d-card-thumb img {
    transform: scale(1.05);
}

.caspian-3d-badge-3d {
    position: absolute;
    top: 12px;
    left: 12px;
    background: rgba(15, 23, 42, 0.85);
    backdrop-filter: blur(4px);
    color: #ffffff;
    font-size: 10px;
    font-weight: 800;
    padding: 3px 8px;
    border-radius: 4px;
    letter-spacing: 0.5px;
}

.caspian-3d-filesize-badge {
    position: absolute;
    top: 12px;
    right: 12px;
    background: #ffffff;
    border: 1px solid #e2e8f0;
    color: #64748b;
    font-size: 11px;
    font-weight: 600;
    padding: 2px 7px;
    border-radius: 4px;
}

/* Card Body */
.caspian-3d-card-body {
    padding: 20px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.caspian-3d-card-sku {
    font-size: 12px;
    font-weight: 700;
    color: #94a3b8;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 6px;
}

.caspian-3d-card-title {
    font-size: 16px;
    font-weight: 700;
    color: #0f172a;
    margin: 0 0 12px;
    line-height: 1.35;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    min-height: 42px;
}

.caspian-3d-card-title a {
    color: inherit;
    text-decoration: none;
    transition: color 0.2s;
}

.caspian-3d-card-title a:hover {
    color: #c00000;
}

/* Formats list */
.caspian-3d-formats {
    display: flex;
    flex-wrap: wrap;
    gap: 5px;
    margin-bottom: 18px;
}

.format-pill {
    background: #f1f5f9;
    color: #475569;
    font-size: 10px;
    font-weight: 700;
    padding: 3px 7px;
    border-radius: 4px;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

/* Card Action Button */
.caspian-3d-card-action {
    margin-top: auto;
}

.caspian-download-btn {
    width: 100%;
    background-color: #c00000 !important;
    color: #ffffff !important;
    border: none !important;
    border-radius: 8px !important;
    padding: 12px 16px !important;
    font-size: 13px !important;
    font-weight: 700 !important;
    letter-spacing: 0.3px !important;
    text-transform: uppercase !important;
    cursor: pointer !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    gap: 8px !important;
    text-decoration: none !important;
    transition: background-color 0.2s ease, transform 0.1s ease !important;
    box-sizing: border-box !important;
}

.caspian-download-btn:hover {
    background-color: #9f0000 !important;
    color: #ffffff !important;
}

.caspian-download-btn.locked {
    background-color: #0f172a !important;
}

.caspian-download-btn.locked:hover {
    background-color: #c00000 !important;
}

.caspian-download-btn svg {
    width: 16px;
    height: 16px;
    fill: currentColor;
    flex-shrink: 0;
}

/* Gated / Locked Overlay for Non-authenticated visitors */
.caspian-3d-grid-container {
    position: relative;
}

.caspian-3d-grid-container.is-gated {
    min-height: 480px;
}

.caspian-3d-unlock-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 20;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding-top: 60px;
    background: linear-gradient(to bottom, rgba(248, 250, 252, 0.45) 0%, rgba(248, 250, 252, 0.95) 100%);
    pointer-events: auto;
}

.caspian-unlock-card {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 16px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
    padding: 35px 30px;
    max-width: 500px;
    width: 90%;
    text-align: center;
    box-sizing: border-box;
}

.caspian-unlock-icon {
    width: 68px;
    height: 68px;
    background: #fef2f2;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 18px;
    border: 1px solid #fee2e2;
}

.caspian-unlock-card h3 {
    font-size: 22px;
    font-weight: 800;
    color: #0f172a;
    margin: 0 0 10px;
}

.caspian-unlock-card p {
    font-size: 14px;
    color: #64748b;
    line-height: 1.5;
    margin: 0 0 22px;
}

.caspian-grid-blurred {
    filter: blur(4px);
    opacity: 0.6;
    pointer-events: none;
    user-select: none;
}

.caspian-3d-gate-banner {
    background: #f8fafc;
    border: 1.5px dashed #cbd5e1;
    border-radius: 12px;
    padding: 30px 20px;
    text-align: center;
    margin: 30px 0 0;
}

.caspian-3d-gate-banner h4 {
    font-size: 18px;
    font-weight: 700;
    color: #0f172a;
    margin: 0 0 8px;
}

.caspian-3d-gate-banner p {
    font-size: 14px;
    color: #64748b;
    margin: 0 0 18px;
}

/* Responsive Styles */
@media (max-width: 991px) {
    .caspian-3d-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    .caspian-3d-banner {
        padding: 35px 25px;
    }
    .caspian-3d-banner-title {
        font-size: 26px;
    }
}

@media (max-width: 640px) {
    .caspian-modal-dialog {
        width: 100% !important;
        max-width: 100% !important;
        margin: auto !important;
    }
    .caspian-modal-content {
        padding: 30px 20px 24px;
        border-radius: 14px;
    }
    .caspian-modal-title {
        font-size: 21px;
    }
    .caspian-code-field {
        font-size: 22px !important;
        letter-spacing: 8px !important;
    }
    .caspian-3d-grid {
        grid-template-columns: 1fr;
    }
    .caspian-3d-banner-title {
        font-size: 22px;
    }
    .caspian-guest-prompt {
        flex-direction: column;
        align-items: flex-start;
    }
}

/* ==========================================================================
   Single Product 3D Download Box & Product Label
   ========================================================================== */
.product-label.caspian-3d-label {
    background-color: #0f172a !important;
    color: #ffffff !important;
    font-weight: 700 !important;
    font-size: 11px !important;
    letter-spacing: 0.5px !important;
    padding: 3px 8px !important;
    border-radius: 4px !important;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.15) !important;
}

.caspian-single-3d-box {
    margin: 20px 0 16px;
    padding: 18px 20px;
    background: #f8fafc;
    border: 1.5px solid #e2e8f0;
    border-radius: 14px;
    box-shadow: 0 4px 14px rgba(15, 23, 42, 0.04);
    transition: all 0.25s ease;
}

.caspian-single-3d-box:hover {
    border-color: #cbd5e1;
    box-shadow: 0 6px 18px rgba(15, 23, 42, 0.08);
}

.caspian-single-3d-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
}

.caspian-single-3d-badge {
    display: inline-flex;
    align-items: center;
    font-size: 12px;
    font-weight: 700;
    color: #c00000;
    background: #fef2f2;
    padding: 4px 10px;
    border-radius: 20px;
    border: 1px solid #fecaca;
    letter-spacing: 0.3px;
}

.caspian-single-3d-size {
    font-size: 12px;
    font-weight: 600;
    color: #64748b;
    background: #ffffff;
    padding: 3px 8px;
    border-radius: 6px;
    border: 1px solid #e2e8f0;
}

.caspian-single-3d-formats {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 14px;
    font-size: 13px;
}

.caspian-single-3d-formats .formats-label {
    font-weight: 600;
    color: #475569;
    margin-right: 4px;
}

.caspian-single-3d-formats .format-pill {
    display: inline-block;
    padding: 3px 8px;
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 6px;
    font-size: 11px;
    font-weight: 600;
    color: #334155;
}

.caspian-single-3d-action {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.caspian-single-download-btn,
.caspian-single-download-btn.locked {
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    gap: 10px !important;
    width: 100% !important;
    padding: 13px 20px !important;
    font-size: 15px !important;
    font-weight: 700 !important;
    color: #ffffff !important;
    background-color: #990000 !important;
    border: none !important;
    border-radius: 10px !important;
    cursor: pointer !important;
    text-decoration: none !important;
    letter-spacing: 0.3px !important;
    transition: background-color 0.2s, transform 0.1s, box-shadow 0.2s !important;
    box-shadow: 0 4px 12px rgba(153, 0, 0, 0.28) !important;
}

.caspian-single-download-btn:hover,
.caspian-single-download-btn.locked:hover {
    background-color: #800000 !important;
    color: #ffffff !important;
    box-shadow: 0 6px 16px rgba(153, 0, 0, 0.38) !important;
    transform: translateY(-1px);
}

.caspian-single-download-btn:active,
.caspian-single-download-btn.locked:active {
    transform: translateY(0);
}

.caspian-single-download-btn svg {
    flex-shrink: 0;
}

.caspian-single-3d-hint {
    font-size: 12px;
    color: #64748b;
    text-align: center;
    line-height: 1.4;
    margin-top: 2px;
}

/* ==========================================================================
   Mobile Responsive: 1-Window Screen View & Sticky 3D Download Box
   ========================================================================== */
@media (max-width: 768px) {
    /* Tighten single product header & summary for 1-window screen fit */
    .single-product .product-image-summary {
        padding-top: 0 !important;
        margin-bottom: 10px !important;
    }

    .single-product .product-image-summary-inner {
        --wd-gap-sm: 6px !important;
        row-gap: 6px !important;
    }

    .single-product .product-images {
        margin-bottom: 0 !important;
    }

    .single-product .woocommerce-product-gallery {
        margin-bottom: 2px !important;
    }

    .single-product .woocommerce-product-gallery .woocommerce-product-gallery__image {
        display: flex !important;
        align-items: center !important;
        justify-content: center !important;
        max-height: 190px !important;
        overflow: hidden !important;
    }

    .single-product .woocommerce-product-gallery .woocommerce-product-gallery__image img {
        max-height: 190px !important;
        height: auto !important;
        width: auto !important;
        max-width: 100% !important;
        margin: 0 auto !important;
        object-fit: contain !important;
        display: block !important;
    }

    .single-product .summary.entry-summary {
        padding-top: 0 !important;
    }

    .single-product .wd-breadcrumbs {
        margin-bottom: 2px !important;
        font-size: 11px !important;
        line-height: 1.2 !important;
    }

    .single-product .entry-title {
        font-size: 18px !important;
        line-height: 1.2 !important;
        margin-top: 0 !important;
        margin-bottom: 3px !important;
        font-weight: 700 !important;
    }

    .single-product .woocommerce-product-details__short-description {
        font-size: 12px !important;
        line-height: 1.3 !important;
        margin-bottom: 3px !important;
    }

    .single-product .woocommerce-product-details__short-description p {
        margin-bottom: 0 !important;
    }

    .single-product .product_meta {
        font-size: 11px !important;
        margin-bottom: 6px !important;
        line-height: 1.3 !important;
    }

    .single-product .custom-whatsapp-btn {
        padding: 8px 14px !important;
        font-size: 12px !important;
        font-weight: 700 !important;
        margin-bottom: 6px !important;
        border-radius: 8px !important;
    }

    /* 3D Box in 1-Window Screen */
    .single-product .caspian-single-3d-box {
        margin: 4px 0 2px !important;
        padding: 10px 12px !important;
        border-radius: 12px !important;
        background: #f8fafc !important;
        border: 1.5px solid #e2e8f0 !important;
        box-shadow: 0 2px 10px rgba(15, 23, 42, 0.05) !important;
    }

    .single-product .caspian-single-3d-header {
        margin-bottom: 5px !important;
    }

    .single-product .caspian-single-3d-badge {
        font-size: 11px !important;
        padding: 2px 7px !important;
    }

    .single-product .caspian-single-3d-size {
        font-size: 11px !important;
        padding: 2px 6px !important;
    }

    .single-product .caspian-single-3d-formats {
        font-size: 11px !important;
        margin-bottom: 6px !important;
        gap: 4px !important;
    }

    .single-product .caspian-single-3d-formats .format-pill {
        font-size: 10px !important;
        padding: 2px 6px !important;
    }

    .single-product .caspian-single-download-btn,
    .single-product .caspian-single-download-btn.locked {
        padding: 10px 14px !important;
        font-size: 13px !important;
        font-weight: 700 !important;
        border-radius: 8px !important;
    }

    .single-product .caspian-single-3d-hint {
        font-size: 10px !important;
        line-height: 1.25 !important;
        margin-top: 2px !important;
    }

    /* Sticky 3D Download Box on Mobile */
    .single-product .caspian-single-3d-box.is-sticky-mobile {
        position: fixed !important;
        bottom: calc(10px + env(safe-area-inset-bottom, 0px)) !important;
        left: 12px !important;
        right: 12px !important;
        margin: 0 !important;
        z-index: 999 !important;
        background: #ffffff !important;
        border: 1.5px solid #cbd5e1 !important;
        box-shadow: 0 6px 25px rgba(0, 0, 0, 0.25) !important;
        animation: caspianFadeInUp 0.25s ease !important;
    }
}

@keyframes caspianFadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}