/* ==========================================================
   Cu Do Ha Tinh - Premium Design System v2.0
   Hệ màu sắc cao cấp & bố cục đẳng cấp
   ========================================================== */

/* --- Google Fonts: Playfair Display + Be Vietnam Pro --- */
@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,600;0,700;1,400&family=Be+Vietnam+Pro:wght@300;400;500;600;700&display=swap');

/* ========== CSS Custom Properties (Design Tokens) ========== */
:root {
    /* Bảng màu chính */
    --color-primary:        #8B1A1A;   /* Đỏ trầm Burgundy - màu lạc rang đỏ */
    --color-primary-dark:   #6B1212;
    --color-primary-light:  #A52828;
    --color-gold:           #C8960C;   /* Vàng mật mía hổ phách */
    --color-gold-light:     #E2B53B;
    --color-gold-pale:      #FDF3DC;   /* Nền kem mật */

    /* Nền */
    --color-bg-warm:        #FAF8F4;   /* Kem ấm - nền toàn trang */
    --color-bg-white:       #FFFFFF;
    --color-bg-section:     #FFF9F0;   /* Nền section vàng kem nhạt */

    /* Chữ */
    --color-text-dark:      #2C2416;   /* Nâu than - chữ chính */
    --color-text-medium:    #5A4A35;   /* Nâu trung - chữ phụ */
    --color-text-light:     #8A7A65;   /* Xám nâu - chú thích */

    /* Border */
    --color-border:         #E8DDD0;
    --color-border-gold:    #D4AF37;

    /* Bóng đổ */
    --shadow-sm:    0 2px 8px rgba(44, 36, 22, 0.06);
    --shadow-md:    0 4px 20px rgba(44, 36, 22, 0.10);
    --shadow-lg:    0 8px 40px rgba(44, 36, 22, 0.14);
    --shadow-gold:  0 4px 16px rgba(200, 150, 12, 0.20);

    /* Bo góc */
    --radius-sm:  6px;
    --radius-md:  12px;
    --radius-lg:  20px;
    --radius-xl:  32px;

    /* Chuyển động */
    --transition-fast:   0.2s ease;
    --transition-mid:    0.35s ease;
    --transition-slow:   0.5s ease;

    /* Typography */
    --font-heading: 'Playfair Display', Georgia, serif;
    --font-body:    'Be Vietnam Pro', -apple-system, BlinkMacSystemFont, sans-serif;
}

/* ========== Base Reset & Typography ========== */
body {
    font-family: var(--font-body);
    background-color: var(--color-bg-warm);
    color: var(--color-text-dark);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ========== Tiêu đề section (Heading Premium) ========== */
.cudo-section-title {
    font-family: var(--font-heading);
    font-size: clamp(1.5rem, 3vw, 2.2rem);
    font-weight: 700;
    color: var(--color-primary);
    text-align: center;
    position: relative;
    padding-bottom: 1rem;
    margin-bottom: 0.5rem;
}

.cudo-section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--color-gold), var(--color-gold-light));
    border-radius: 2px;
    margin: 0.6rem auto 0;
    transition: width var(--transition-mid);
}

.cudo-section-title:hover::after { width: 100px; }

.cudo-section-subtitle {
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--color-text-medium);
    text-align: center;
    font-weight: 400;
    margin-bottom: 2.5rem;
}

/* ========== Container Section ========== */
.cudo-section {
    padding: 60px 0;
    background: var(--color-bg-white);
}

.cudo-section-alt {
    padding: 60px 0;
    background: var(--color-bg-section);
}

/* ========== Nút CTA Chính ========== */
.cudo-btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 13px 28px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: #fff !important;
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 0.95rem;
    letter-spacing: 0.03em;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    text-decoration: none !important;
    box-shadow: 0 4px 15px rgba(139, 26, 26, 0.30);
    transition: all var(--transition-mid);
}

.cudo-btn-primary::before {
    content: '';
    position: absolute;
    top: 0; left: -100%;
    width: 100%; height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.15), transparent);
    transition: left 0.5s;
}

.cudo-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(139, 26, 26, 0.40);
}

.cudo-btn-primary:hover::before { left: 100%; }

.cudo-btn-primary:active { transform: translateY(0); }

/* Ripple effect */
.cudo-btn-primary .ripple {
    position: absolute;
    border-radius: 50%;
    background: rgba(255,255,255,0.3);
    transform: scale(0);
    animation: ripple-anim 0.6s linear;
    pointer-events: none;
}
@keyframes ripple-anim {
    to { transform: scale(4); opacity: 0; }
}

/* Nút phụ Vàng kim */
.cudo-btn-gold {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 11px 24px;
    background: linear-gradient(135deg, var(--color-gold), var(--color-gold-light));
    color: var(--color-text-dark) !important;
    font-weight: 600;
    font-size: 0.9rem;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    text-decoration: none !important;
    box-shadow: var(--shadow-gold);
    transition: all var(--transition-mid);
}

.cudo-btn-gold:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(200, 150, 12, 0.35);
}

/* ========== Card Premium ========== */
.cudo-card {
    background: var(--color-bg-white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border);
    transition: all var(--transition-mid);
    overflow: hidden;
}

.cudo-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-gold-light);
}

/* ========== SECTION: Cam kết chất lượng ========== */
.cudo-commitment-section {
    padding: 56px 0;
    background: linear-gradient(160deg, #FAF8F4 60%, var(--color-gold-pale) 100%);
}

.cudo-commitment-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

@media (max-width: 991px) { .cudo-commitment-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 575px)  { .cudo-commitment-grid { grid-template-columns: 1fr; } }

.cudo-commit-card {
    background: rgba(255,255,255,0.85);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid rgba(212, 175, 55, 0.20);
    border-radius: var(--radius-md);
    padding: 28px 24px;
    display: flex;
    align-items: flex-start;
    gap: 16px;
    transition: all var(--transition-mid);
    cursor: default;
}

.cudo-commit-card:hover {
    background: rgba(255,255,255,0.98);
    border-color: var(--color-gold);
    transform: translateY(-5px);
    box-shadow: var(--shadow-md), 0 0 0 2px rgba(200,150,12,0.10);
}

.cudo-commit-icon {
    width: 52px;
    height: 52px;
    min-width: 52px;
    background: linear-gradient(135deg, var(--color-gold-pale), #FEE8A4);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    transition: all var(--transition-mid);
}

.cudo-commit-card:hover .cudo-commit-icon {
    background: linear-gradient(135deg, var(--color-gold-light), var(--color-gold));
    transform: scale(1.1) rotate(5deg);
}

.cudo-commit-body h4 {
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--color-text-dark);
    margin-bottom: 4px;
}

.cudo-commit-body p {
    font-size: 0.82rem;
    color: var(--color-text-medium);
    line-height: 1.5;
    margin: 0;
}

/* ========== SECTION: Timeline Quy trình sản xuất ========== */
.cudo-timeline-section {
    padding: 56px 0;
    background: var(--color-bg-section);
    overflow: hidden;
}

/* Desktop: ngang */
.cudo-timeline-horizontal {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    position: relative;
    gap: 0;
}

.cudo-timeline-horizontal::before {
    content: '';
    position: absolute;
    top: 36px;
    left: 5%;
    right: 5%;
    height: 3px;
    background: linear-gradient(90deg, var(--color-gold), var(--color-gold-light), var(--color-gold));
    border-radius: 2px;
    z-index: 0;
}

.cudo-timeline-step {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 0 8px;
    position: relative;
    z-index: 1;
}

.cudo-timeline-dot {
    width: 72px;
    height: 72px;
    background: var(--color-bg-white);
    border: 3px solid var(--color-gold);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    margin-bottom: 12px;
    position: relative;
    z-index: 2;
    transition: all var(--transition-mid);
    box-shadow: 0 0 0 6px var(--color-bg-section), var(--shadow-gold);
}

.cudo-timeline-step:hover .cudo-timeline-dot {
    background: linear-gradient(135deg, var(--color-gold), var(--color-gold-light));
    transform: scale(1.12);
    box-shadow: 0 0 0 6px var(--color-bg-section), 0 6px 20px rgba(200,150,12,0.35);
}

.cudo-timeline-step-num {
    position: absolute;
    top: -6px; right: -6px;
    width: 20px; height: 20px;
    background: var(--color-primary);
    color: #fff;
    border-radius: 50%;
    font-size: 0.65rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
}

.cudo-timeline-step-title {
    font-family: var(--font-body);
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--color-text-dark);
    margin-bottom: 4px;
}

.cudo-timeline-step-desc {
    font-size: 0.75rem;
    color: var(--color-text-light);
    line-height: 1.4;
}

.cudo-timeline-step-img {
    width: 64px;
    height: 48px;
    object-fit: cover;
    border-radius: 8px;
    margin-top: 10px;
    opacity: 0.85;
    border: 2px solid var(--color-border);
    transition: all var(--transition-mid);
}

.cudo-timeline-step:hover .cudo-timeline-step-img {
    opacity: 1;
    border-color: var(--color-gold);
}

/* Mobile: dọc */
@media (max-width: 767px) {
    .cudo-timeline-horizontal { flex-direction: column; gap: 0; }
    .cudo-timeline-horizontal::before {
        top: 5%; left: 35px; right: auto;
        width: 3px; height: 90%;
        background: linear-gradient(180deg, var(--color-gold), var(--color-gold-light));
    }
    .cudo-timeline-step {
        flex-direction: row;
        align-items: flex-start;
        text-align: left;
        padding: 0 16px 28px 0;
        gap: 20px;
    }
    .cudo-timeline-dot { margin-bottom: 0; min-width: 72px; }
    .cudo-timeline-step-img { width: 80px; height: 60px; margin-top: 8px; }
}

/* ========== SECTION: Chứng nhận ========== */
.cudo-cert-section {
    padding: 56px 0;
    background: var(--color-bg-white);
}

.cudo-cert-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

@media (max-width: 991px)  { .cudo-cert-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 575px)  { .cudo-cert-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; } }

.cudo-cert-card {
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    cursor: pointer;
    position: relative;
    transition: all var(--transition-mid);
    background: var(--color-bg-white);
    aspect-ratio: 3/4;
}

.cudo-cert-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.cudo-cert-card:hover {
    border-color: var(--color-gold);
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}

.cudo-cert-card:hover img { transform: scale(1.04); }

.cudo-cert-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(44,36,22,0.7) 0%, transparent 50%);
    display: flex;
    align-items: flex-end;
    padding: 12px;
    opacity: 0;
    transition: opacity var(--transition-mid);
}

.cudo-cert-card:hover .cudo-cert-overlay { opacity: 1; }

.cudo-cert-overlay span {
    color: #fff;
    font-size: 0.78rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 6px;
}

/* Lightbox */
.cudo-lightbox {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 99999;
    background: rgba(10, 6, 2, 0.92);
    align-items: center;
    justify-content: center;
    animation: lb-fade 0.3s ease;
}

.cudo-lightbox.active { display: flex; }

@keyframes lb-fade {
    from { opacity: 0; }
    to   { opacity: 1; }
}

.cudo-lightbox-inner {
    position: relative;
    max-width: 90vw;
    max-height: 90vh;
    animation: lb-zoom 0.3s ease;
}

@keyframes lb-zoom {
    from { transform: scale(0.88); opacity: 0; }
    to   { transform: scale(1);    opacity: 1; }
}

.cudo-lightbox-inner img {
    max-width: 90vw;
    max-height: 88vh;
    border-radius: var(--radius-md);
    box-shadow: 0 20px 60px rgba(0,0,0,0.5);
    object-fit: contain;
}

.cudo-lightbox-close {
    position: absolute;
    top: -40px; right: 0;
    width: 36px; height: 36px;
    background: rgba(255,255,255,0.15);
    border: none;
    border-radius: 50%;
    color: #fff;
    font-size: 1.2rem;
    cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    transition: background var(--transition-fast);
}

.cudo-lightbox-close:hover { background: rgba(255,255,255,0.25); }

.cudo-lightbox-caption {
    position: absolute;
    bottom: -36px; left: 0; right: 0;
    text-align: center;
    color: rgba(255,255,255,0.85);
    font-size: 0.85rem;
}

/* Prev/Next Lightbox */
.cudo-lb-nav {
    position: absolute;
    top: 50%; transform: translateY(-50%);
    width: 44px; height: 44px;
    background: rgba(255,255,255,0.15);
    border: none;
    border-radius: 50%;
    color: #fff;
    font-size: 1.1rem;
    cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    transition: background var(--transition-fast);
}

.cudo-lb-nav:hover { background: rgba(255,255,255,0.28); }
.cudo-lb-prev { left: -60px; }
.cudo-lb-next { right: -60px; }

@media (max-width: 600px) {
    .cudo-lb-prev { left: -40px; }
    .cudo-lb-next { right: -40px; }
}

/* ========== SECTION: Chính sách giao hàng ========== */
.cudo-delivery-policy {
    background: var(--color-bg-section);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 20px;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
    margin: 20px 0;
}

@media (min-width: 576px) { .cudo-delivery-policy { grid-template-columns: repeat(4, 1fr); } }

.cudo-delivery-item {
    text-align: center;
    padding: 12px 8px;
    border-radius: var(--radius-sm);
    background: var(--color-bg-white);
    border: 1px solid transparent;
    transition: all var(--transition-mid);
}

.cudo-delivery-item:hover {
    border-color: var(--color-gold-light);
    box-shadow: var(--shadow-sm);
}

.cudo-delivery-item .icon { font-size: 1.6rem; margin-bottom: 6px; display: block; }
.cudo-delivery-item h5 {
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 2px;
}
.cudo-delivery-item p { font-size: 0.72rem; color: var(--color-text-medium); margin: 0; }

/* ========== Sticky CTA ========== */
/* Mobile - Thanh ngang cuối màn hình */
.cudo-sticky-bar {
    position: fixed;
    bottom: 0; left: 0; right: 0;
    z-index: 9998;
    background: rgba(255, 252, 248, 0.97);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-top: 1px solid var(--color-border);
    padding: 10px 16px;
    display: flex;
    gap: 8px;
    align-items: center;
    box-shadow: 0 -4px 20px rgba(44,36,22,0.10);
    transition: transform var(--transition-mid);
}

.cudo-sticky-bar.hidden { transform: translateY(100%); }

.cudo-sticky-bar .sticky-order {
    flex: 1;
    padding: 10px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: #fff;
    font-weight: 700;
    font-size: 0.88rem;
    border: none;
    border-radius: 40px;
    text-align: center;
    cursor: pointer;
    text-decoration: none;
    display: flex; align-items: center; justify-content: center; gap: 6px;
    box-shadow: 0 4px 12px rgba(139,26,26,0.25);
    animation: pulse-btn 2.5s ease-in-out infinite;
    transition: all var(--transition-fast);
}

.cudo-sticky-bar .sticky-order:hover { transform: scale(1.02); }

@keyframes pulse-btn {
    0%, 100% { box-shadow: 0 4px 12px rgba(139,26,26,0.25); }
    50%       { box-shadow: 0 4px 20px rgba(139,26,26,0.45); }
}

.cudo-sticky-bar .sticky-icon-btn {
    width: 44px; height: 44px;
    border-radius: 50%;
    border: none;
    cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.3rem;
    transition: all var(--transition-fast);
    text-decoration: none;
    flex-shrink: 0;
}

.cudo-sticky-bar .sticky-icon-btn.phone {
    background: #25D366;
    color: #fff;
    box-shadow: 0 3px 10px rgba(37,211,102,0.30);
}

.cudo-sticky-bar .sticky-icon-btn.zalo {
    background: #0068FF;
    color: #fff;
    box-shadow: 0 3px 10px rgba(0,104,255,0.30);
}

.cudo-sticky-bar .sticky-icon-btn:hover { transform: scale(1.12); }

/* Desktop - Floating Panel */
.cudo-floating-panel {
    position: fixed;
    right: 20px;
    bottom: 100px;
    z-index: 9998;
    display: flex;
    flex-direction: column;
    gap: 10px;
    align-items: flex-end;
}

.cudo-floating-btn {
    width: 50px; height: 50px;
    border-radius: 50%;
    border: none;
    cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.3rem;
    text-decoration: none;
    transition: all var(--transition-mid);
    box-shadow: var(--shadow-md);
    position: relative;
}

.cudo-floating-btn:hover { transform: scale(1.12); }

.cudo-floating-btn.order-btn {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: #fff;
    animation: pulse-float 2.5s ease-in-out infinite;
}

@keyframes pulse-float {
    0%, 100% { box-shadow: 0 4px 20px rgba(139,26,26,0.25); }
    50%       { box-shadow: 0 4px 28px rgba(139,26,26,0.50); }
}

.cudo-floating-btn.phone-btn { background: #25D366; color: #fff; }
.cudo-floating-btn.zalo-btn  { background: #0068FF; color: #fff; }

.cudo-floating-tooltip {
    position: absolute;
    right: 58px;
    background: var(--color-text-dark);
    color: #fff;
    font-size: 0.75rem;
    padding: 4px 10px;
    border-radius: 20px;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transform: translateX(8px);
    transition: all var(--transition-fast);
}

.cudo-floating-btn:hover .cudo-floating-tooltip {
    opacity: 1;
    transform: translateX(0);
}

/* Ẩn sticky bar trên desktop, hiện floating panel */
@media (min-width: 768px) {
    .cudo-sticky-bar    { display: none !important; }
    .cudo-floating-panel { display: flex !important; }
}

/* Hiện sticky bar trên mobile, ẩn floating panel */
@media (max-width: 767px) {
    .cudo-sticky-bar    { display: flex !important; }
    .cudo-floating-panel { display: none !important; }
    /* Padding bottom body để nội dung không bị che bởi sticky bar */
    body { padding-bottom: 70px; }
}

/* ========== SECTION: Review Slider ========== */
.cudo-review-section {
    padding: 56px 0;
    background: linear-gradient(135deg, var(--color-bg-warm) 0%, var(--color-gold-pale) 100%);
}

.cudo-review-card {
    background: var(--color-bg-white);
    border-radius: var(--radius-md);
    padding: 24px;
    border: 1px solid var(--color-border);
    position: relative;
    margin: 8px;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-mid);
}

.cudo-review-card::before {
    content: '\201C';
    font-family: var(--font-heading);
    font-size: 4rem;
    color: var(--color-gold-light);
    opacity: 0.5;
    position: absolute;
    top: 8px; left: 16px;
    line-height: 1;
}

.cudo-review-card:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }

.cudo-review-stars { color: var(--color-gold); font-size: 0.9rem; margin-bottom: 8px; }

.cudo-review-text {
    color: var(--color-text-medium);
    font-size: 0.9rem;
    line-height: 1.65;
    margin-bottom: 16px;
    font-style: italic;
}

.cudo-review-avatar {
    width: 44px; height: 44px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--color-gold-light);
}

.cudo-review-author-name {
    font-weight: 600;
    font-size: 0.88rem;
    color: var(--color-text-dark);
}

.cudo-review-author-loc {
    font-size: 0.75rem;
    color: var(--color-text-light);
}

/* ========== SECTION: Sản phẩm liên quan (gợi ý) ========== */
.cudo-related-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

@media (max-width: 991px) { .cudo-related-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 575px) {
    .cudo-related-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }
}

.cudo-product-card {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    background: var(--color-bg-white);
    transition: all var(--transition-mid);
}

.cudo-product-card:hover {
    border-color: var(--color-gold-light);
    box-shadow: var(--shadow-md);
    transform: translateY(-5px);
}

.cudo-product-card .card-img-wrap {
    overflow: hidden;
    aspect-ratio: 1;
    background: var(--color-bg-section);
}

.cudo-product-card .card-img-wrap img {
    width: 100%; height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.cudo-product-card:hover .card-img-wrap img { transform: scale(1.06); }

.cudo-product-card .card-body { padding: 12px; }

.cudo-product-card .card-title {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-text-dark);
    line-height: 1.4;
    margin-bottom: 6px;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

.cudo-product-card .card-price {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 8px;
}

.cudo-product-card .card-old-price {
    font-size: 0.75rem;
    color: var(--color-text-light);
    text-decoration: line-through;
    margin-left: 6px;
}

.cudo-product-card .card-add-btn {
    width: 100%;
    padding: 7px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: #fff;
    border: none;
    border-radius: 30px;
    font-size: 0.78rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex; align-items: center; justify-content: center; gap: 5px;
}

.cudo-product-card .card-add-btn:hover { transform: scale(1.02); }

/* ========== Combo Card (Gift Landing Page) ========== */
.cudo-combo-card {
    background: var(--color-bg-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--color-border);
    transition: all var(--transition-mid);
    position: relative;
}

.cudo-combo-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-6px);
    border-color: var(--color-gold);
}

.cudo-combo-badge {
    position: absolute;
    top: 16px; right: 16px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: #fff;
    font-size: 0.78rem;
    font-weight: 700;
    padding: 4px 12px;
    border-radius: 20px;
    z-index: 2;
}

.cudo-combo-img {
    width: 100%; height: 220px;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.cudo-combo-card:hover .cudo-combo-img { transform: scale(1.04); }

.cudo-combo-body { padding: 20px; }

.cudo-combo-title {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-text-dark);
    margin-bottom: 8px;
}

.cudo-combo-components {
    font-size: 0.8rem;
    color: var(--color-text-medium);
    line-height: 1.6;
    margin-bottom: 12px;
    padding-left: 16px;
}

.cudo-combo-components li { margin-bottom: 2px; }

.cudo-combo-price-wrap { display: flex; align-items: baseline; gap: 10px; margin-bottom: 12px; }

.cudo-combo-price {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--color-primary);
}

.cudo-combo-old-price {
    font-size: 0.85rem;
    text-decoration: line-through;
    color: var(--color-text-light);
}

.cudo-saving-badge {
    display: inline-block;
    background: linear-gradient(135deg, var(--color-gold-pale), #FEE8A4);
    color: var(--color-gold);
    font-size: 0.72rem;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: 12px;
    border: 1px solid var(--color-gold-light);
}

/* ========== Scroll Animation ========== */
.cudo-animate {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.cudo-animate.visible {
    opacity: 1;
    transform: translateY(0);
}

.cudo-animate-delay-1 { transition-delay: 0.1s; }
.cudo-animate-delay-2 { transition-delay: 0.2s; }
.cudo-animate-delay-3 { transition-delay: 0.3s; }
.cudo-animate-delay-4 { transition-delay: 0.4s; }
.cudo-animate-delay-5 { transition-delay: 0.5s; }
.cudo-animate-delay-6 { transition-delay: 0.6s; }

/* ========== About Page Premium ========== */
.cudo-about-banner {
    position: relative;
    min-height: 300px;
    background: linear-gradient(135deg, var(--color-primary) 0%, #5A1010 100%);
    display: flex;
    align-items: center;
    overflow: hidden;
}

.cudo-about-banner::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.04'%3E%3Ccircle cx='30' cy='30' r='20'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.cudo-about-banner-text {
    position: relative;
    z-index: 1;
    color: #fff;
    text-align: center;
    width: 100%;
    padding: 48px 20px;
}

.cudo-about-banner-text h1 {
    font-family: var(--font-heading);
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    font-weight: 700;
    margin-bottom: 12px;
    text-shadow: 0 2px 8px rgba(0,0,0,0.25);
}

.cudo-about-banner-text p {
    font-size: 1rem;
    opacity: 0.9;
    max-width: 580px;
    margin: 0 auto;
    line-height: 1.65;
}

/* Divider vàng trang trí */
.cudo-divider-gold {
    display: flex;
    align-items: center;
    gap: 16px;
    margin: 28px auto;
    max-width: 300px;
}

.cudo-divider-gold::before,
.cudo-divider-gold::after {
    content: '';
    flex: 1;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-gold-light), transparent);
}

.cudo-divider-gold span {
    font-size: 1rem;
    color: var(--color-gold);
}

/* Core values */
.cudo-core-value {
    text-align: center;
    padding: 24px 16px;
}

.cudo-core-value .value-icon {
    width: 70px; height: 70px;
    background: linear-gradient(135deg, var(--color-gold-pale), #FEE8A4);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    margin: 0 auto 14px;
    border: 3px solid var(--color-gold-light);
    transition: all var(--transition-mid);
}

.cudo-core-value:hover .value-icon {
    background: linear-gradient(135deg, var(--color-gold-light), var(--color-gold));
    transform: scale(1.1) rotate(10deg);
}

.cudo-core-value h4 {
    font-family: var(--font-body);
    font-weight: 700;
    font-size: 0.95rem;
    color: var(--color-primary);
    margin-bottom: 6px;
}

.cudo-core-value p {
    font-size: 0.82rem;
    color: var(--color-text-medium);
    line-height: 1.55;
}

/* About timeline */
.cudo-history-timeline {
    position: relative;
    padding-left: 60px;
}

.cudo-history-timeline::before {
    content: '';
    position: absolute;
    left: 20px; top: 0; bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, var(--color-gold), var(--color-gold-light), transparent);
}

.cudo-history-item {
    position: relative;
    margin-bottom: 32px;
}

.cudo-history-item::before {
    content: '';
    position: absolute;
    left: -48px; top: 6px;
    width: 14px; height: 14px;
    background: var(--color-bg-white);
    border: 3px solid var(--color-gold);
    border-radius: 50%;
    transition: all var(--transition-mid);
}

.cudo-history-item:hover::before {
    background: var(--color-gold);
    transform: scale(1.3);
}

.cudo-history-year {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--color-gold);
    margin-bottom: 4px;
}

.cudo-history-desc {
    font-size: 0.9rem;
    color: var(--color-text-medium);
    line-height: 1.6;
}

/* ========== Landing Page Sections ========== */
.cudo-lp-hero {
    position: relative;
    min-height: 380px;
    background: linear-gradient(160deg, var(--color-primary) 0%, #400A0A 100%);
    display: flex;
    align-items: center;
    overflow: hidden;
}

.cudo-lp-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 70% 50%, rgba(200,150,12,0.15) 0%, transparent 70%);
}

/* ========== Overrides Bootstrap ========== */
.blockTitle {
    font-family: var(--font-heading) !important;
    color: var(--color-primary) !important;
    font-size: clamp(1.3rem, 2.5vw, 1.9rem) !important;
    font-weight: 700 !important;
    position: relative;
    padding-bottom: 8px;
}

.blockTitle::after {
    content: '';
    display: block;
    width: 50px; height: 3px;
    background: linear-gradient(90deg, var(--color-gold), var(--color-gold-light));
    border-radius: 2px;
    margin-top: 6px;
}

/* Nâng cấp màu nút đặt hàng nhanh (Quick Order) hiện tại */
#qo_btn_submit {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark)) !important;
    border: none !important;
    border-radius: 50px !important;
}

/* ========== Masonry Album Gallery ========== */
.cudo-gallery-masonry {
    columns: 3;
    column-gap: 12px;
}

@media (max-width: 767px) { .cudo-gallery-masonry { columns: 2; } }
@media (max-width: 480px) { .cudo-gallery-masonry { columns: 2; } }

.cudo-gallery-item {
    break-inside: avoid;
    margin-bottom: 12px;
    border-radius: var(--radius-sm);
    overflow: hidden;
    cursor: pointer;
    position: relative;
}

.cudo-gallery-item img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform var(--transition-slow);
}

.cudo-gallery-item:hover img { transform: scale(1.05); }

.cudo-gallery-item::after {
    content: '🔍';
    position: absolute;
    inset: 0;
    background: rgba(44,36,22,0.35);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    opacity: 0;
    transition: opacity var(--transition-mid);
}

.cudo-gallery-item:hover::after { opacity: 1; }

/* ========== Video Review ========== */
.cudo-video-thumb {
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    cursor: pointer;
    aspect-ratio: 16/9;
    background: #000;
}

.cudo-video-thumb img {
    width: 100%; height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow), opacity var(--transition-mid);
}

.cudo-video-thumb:hover img { transform: scale(1.04); opacity: 0.85; }

.cudo-video-play {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.cudo-video-play span {
    width: 56px; height: 56px;
    background: rgba(255,255,255,0.95);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    font-size: 1.3rem;
    box-shadow: 0 4px 20px rgba(0,0,0,0.2);
    transition: all var(--transition-mid);
    padding-left: 4px; /* offset play icon */
}

.cudo-video-thumb:hover .cudo-video-play span {
    transform: scale(1.12);
    background: #fff;
}

/* ========== Responsive Utility ========== */
@media (max-width: 575px) {
    .cudo-section, .cudo-section-alt { padding: 40px 0; }
    .cudo-commitment-section,
    .cudo-timeline-section,
    .cudo-cert-section,
    .cudo-review-section { padding: 40px 0; }
}