:root {
    --gvd-primary: #1a237e;
    --gvd-primary-light: #3949ab;
    --gvd-accent: #e53935;
    --gvd-success: #2e7d32;
    --gvd-text: #1a1a2e;
    --gvd-text-muted: #6b7280;
    --gvd-bg: #f8f9fc;
    --gvd-border: #e5e7eb;
    --gvd-radius: 14px;
    --gvd-radius-sm: 8px;
    --gvd-shadow: 0 2px 14px rgba(0, 0, 0, .08);
}

.gvd-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* BREADCRUMB */
.gvd-breadcrumb {
    background: #fff;
    border-bottom: 1px solid var(--gvd-border);
    padding: 12px 0;
}

.gvd-breadcrumb__nav {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--gvd-text-muted);
    flex-wrap: wrap;
}

.gvd-breadcrumb__nav a {
    color: var(--gvd-primary);
    text-decoration: none;
    font-weight: 500;
}

.gvd-breadcrumb__nav a:hover {
    text-decoration: underline;
}

/* SECTION */
.gvd-section {
    padding: 32px 0 60px;
    background: var(--gvd-bg);
}

/* LAYOUT */
.gvd-layout {
    display: grid;
    grid-template-columns: 1fr 360px;
    gap: 28px;
    align-items: start;
}

.gvd-main {
    min-width: 0;
}

/* HERO CARD */
.gvd-hero-card {
    background: #fff;
    border-radius: var(--gvd-radius);
    border: 1px solid var(--gvd-border);
    overflow: hidden;
    margin-bottom: 20px;
}

.gvd-hero-card__img-wrap {
    position: relative;
    background: #f3f4f6;
}

.gvd-hero-card__banner {
    width: 100%;
    height: 240px;
    object-fit: cover;
    display: block;
}

.gvd-hero-card__logo-bubble {
    position: absolute;
    bottom: -28px;
    left: 28px;
    width: 64px;
    height: 64px;
    border-radius: 14px;
    border: 3px solid #fff;
    overflow: hidden;
    background: #fff;
    box-shadow: 0 2px 10px rgba(0, 0, 0, .15);
}

.gvd-hero-card__logo {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.gvd-hero-card__body {
    padding: 42px 28px 20px;
}

.gvd-hero-card__meta-row {
    display: flex;
    gap: 8px;
    margin-bottom: 12px;
    flex-wrap: wrap;
}

.gvd-badge {
    display: inline-block;
    font-size: 11px;
    font-weight: 700;
    padding: 4px 12px;
    border-radius: 20px;
    text-transform: uppercase;
    letter-spacing: .4px;
}

.gvd-badge--cat {
    background: #eef2ff;
    color: var(--gvd-primary);
}

.gvd-badge--type {
    background: #fef3c7;
    color: #92400e;
}

.gvd-hero-card__name {
    font-size: 20px;
    font-weight: 700;
    color: var(--gvd-text);
    margin: 0 0 20px;
    line-height: 1.3;
}

.gvd-hero-card__stats {
    display: flex;
    align-items: center;
    gap: 0;
    flex-wrap: wrap;
    border: 1px solid var(--gvd-border);
    border-radius: 10px;
    overflow: hidden;
}

.gvd-stat {
    flex: 1;
    padding: 12px 16px;
    display: flex;
    flex-direction: column;
    gap: 4px;
    min-width: 120px;
}

.gvd-stat__icon {
    color: var(--gvd-primary);
    margin-bottom: 2px;
}

.gvd-stat__label {
    font-size: 11px;
    color: var(--gvd-text-muted);
    text-transform: uppercase;
    letter-spacing: .4px;
}

.gvd-stat__val {
    font-size: 14px;
    font-weight: 700;
    color: var(--gvd-text);
}

.gvd-stat-divider {
    width: 1px;
    background: var(--gvd-border);
    align-self: stretch;
    flex-shrink: 0;
}

/* TABS */
.gvd-tabs {
    display: flex;
    border-top: 1px solid var(--gvd-border);
    background: #fff;
}

.gvd-tab {
    flex: 1;
    padding: 14px 12px;
    background: none;
    border: none;
    border-bottom: 3px solid transparent;
    font-size: 14px;
    font-weight: 600;
    color: var(--gvd-text-muted);
    cursor: pointer;
    transition: all .2s;
}

.gvd-tab:hover {
    color: var(--gvd-primary);
}

.gvd-tab.active {
    color: var(--gvd-primary);
    border-bottom-color: var(--gvd-primary);
}

/* PANELS */
.gvd-panel {
    display: none;
}

.gvd-panel.active {
    display: block;
}

/* CARDS */
.gvd-card {
    background: #fff;
    border: 1px solid var(--gvd-border);
    border-radius: var(--gvd-radius);
    overflow: hidden;
    margin-bottom: 20px;
}

.gvd-card__title {
    font-size: 16px;
    font-weight: 700;
    color: var(--gvd-text);
    padding: 18px 24px;
    border-bottom: 1px solid var(--gvd-border);
    margin: 0;
    display: flex;
    align-items: center;
    gap: 8px;
}

.gvd-card__body {
    padding: 20px 24px;
}

.gvd-prose {
    font-size: 14px;
    color: var(--gvd-text-muted);
    line-height: 1.8;
}

.gvd-prose ul {
    padding-left: 18px;
}

.gvd-prose li {
    margin-bottom: 6px;
}

/* DETAILS LIST */
.gvd-details-list {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.gvd-detail-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 13px 0;
    border-bottom: 1px solid var(--gvd-border);
    gap: 12px;
}

.gvd-detail-row:last-child {
    border-bottom: none;
}

.gvd-detail-row__label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--gvd-text-muted);
    min-width: 140px;
}

.gvd-detail-row__val {
    font-size: 13px;
    font-weight: 600;
    color: var(--gvd-text);
    text-align: right;
}

/* SIDEBAR */
.gvd-sidebar {
    position: sticky;
    top: 90px;
}

/* BUY BOX */
.gvd-buybox {
    background: #fff;
    border: 2px solid var(--gvd-primary);
    border-radius: var(--gvd-radius);
    overflow: hidden;
    margin-bottom: 20px;
}

.gvd-buybox__img-wrap {
    overflow: hidden;
    aspect-ratio: 16/8;
    background: #f3f4f6;
}

.gvd-buybox__img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.gvd-buybox__body {
    padding: 20px;
}

.gvd-buybox__name {
    font-size: 16px;
    font-weight: 700;
    color: var(--gvd-text);
    margin: 0 0 12px;
}

.gvd-buybox__price-row {
    display: flex;
    align-items: baseline;
    gap: 10px;
    margin-bottom: 8px;
}

.gvd-buybox__price {
    font-size: 28px;
    font-weight: 800;
    color: var(--gvd-success);
}

.gvd-buybox__tag {
    font-size: 12px;
    color: var(--gvd-text-muted);
    background: #f0fdf4;
    color: var(--gvd-success);
    padding: 3px 10px;
    border-radius: 20px;
    font-weight: 600;
}

.gvd-buybox__validity {
    font-size: 12px;
    color: var(--gvd-text-muted);
    display: flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 16px;
}

.gvd-buybox__qty-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
    padding: 12px;
    background: #f8f9fc;
    border-radius: 10px;
}

.gvd-buybox__qty-label {
    font-size: 14px;
    font-weight: 600;
    color: var(--gvd-text);
}

.gvd-qty {
    display: flex;
    align-items: center;
    border: 1.5px solid var(--gvd-border);
    border-radius: 8px;
    overflow: hidden;
}

.gvd-qty__btn {
    background: #f3f4f6;
    border: none;
    cursor: pointer;
    padding: 7px 12px;
    font-size: 16px;
    font-weight: 700;
    color: var(--gvd-text);
    transition: background .15s;
    line-height: 1;
}

.gvd-qty__btn:hover {
    background: #e5e7eb;
}

.gvd-qty__num {
    padding: 7px 14px;
    font-size: 14px;
    font-weight: 700;
    color: var(--gvd-text);
    min-width: 28px;
    text-align: center;
}

.gvd-buybox__cta {
    width: 100%;
    padding: 14px;
    background: var(--gvd-primary);
    color: #fff;
    border: none;
    border-radius: 10px;
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    transition: background .2s;
    margin-bottom: 12px;
}

.gvd-buybox__cta:hover {
    background: var(--gvd-primary-light);
}

.gvd-buybox__secondary {
    display: block;
    text-align: center;
    font-size: 13px;
    color: var(--gvd-primary);
    font-weight: 600;
    text-decoration: none;
    padding: 4px 0;
}

.gvd-buybox__secondary:hover {
    text-decoration: underline;
}

/* INFO PILLS */
.gvd-info-pills {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.gvd-info-pill {
    background: #fff;
    border: 1px solid var(--gvd-border);
    border-radius: var(--gvd-radius-sm);
    padding: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 600;
    color: var(--gvd-text);
}

.gvd-info-pill__icon {
    font-size: 18px;
}

/* MOBILE STICKY BAR */
.gvd-mobile-bar {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: #fff;
    border-top: 1.5px solid var(--gvd-border);
    padding: 12px 20px;
    z-index: 999;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    box-shadow: 0 -4px 20px rgba(0, 0, 0, .1);
}

.gvd-mobile-bar__info {
    display: flex;
    align-items: center;
    gap: 10px;
}

.gvd-mobile-bar__logo {
    width: 40px;
    height: 40px;
    object-fit: cover;
    border-radius: 8px;
}

.gvd-mobile-bar__name {
    font-size: 13px;
    font-weight: 600;
    color: var(--gvd-text);
}

.gvd-mobile-bar__price {
    font-size: 16px;
    font-weight: 800;
    color: var(--gvd-success);
}

.gvd-mobile-bar__btn {
    background: var(--gvd-primary);
    color: #fff;
    border: none;
    border-radius: 10px;
    padding: 12px 24px;
    font-size: 15px;
    font-weight: 700;
    cursor: pointer;
    white-space: nowrap;
}

.gvd-mobile-bar__btn:hover {
    background: var(--gvd-primary-light);
}

/* RESPONSIVE */
@media (max-width: 900px) {
    .gvd-layout {
        grid-template-columns: 1fr;
    }

    .gvd-sidebar {
        position: static;
        display: none;
    }

    .gvd-mobile-bar {
        display: flex;
    }

    .gvd-hero-card__banner {
        height: 180px;
    }

    .gvd-section {
        padding-bottom: 80px;
    }
}

@media (max-width: 600px) {
    .gvd-hero-card__body {
        padding: 42px 16px 16px;
    }

    .gvd-hero-card__name {
        font-size: 17px;
    }

    .gvd-hero-card__stats {
        flex-direction: column;
    }

    .gvd-stat-divider {
        width: 100%;
        height: 1px;
    }

    .gvd-tabs {
        overflow-x: auto;
    }

    .gvd-tab {
        font-size: 13px;
        padding: 12px 10px;
        white-space: nowrap;
    }

    .gvd-card__body {
        padding: 16px;
    }

    .gvd-section-head__title {
        font-size: 18px;
    }
}