/* --- Navbar --- */
.navbar {
    position: sticky;
    top: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
    z-index: 100;
    padding: var(--spacing-md) 0;
}
.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.nav-logo {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.5rem;
    letter-spacing: -0.5px;
    color: var(--color-primary);
}
.nav-links {
    display: flex;
    gap: var(--spacing-xl);
}
.nav-links a {
    font-weight: 500;
    font-size: 0.95rem;
    position: relative;
}
.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-accent);
    transition: width var(--transition-fast);
}
.nav-links a:hover::after, .nav-links a.active::after {
    width: 100%;
}
.nav-icons {
    display: flex;
    gap: var(--spacing-md);
}
.nav-text {
    font-size: 0.82rem;
    font-weight: 600;
}
@media (max-width: 640px) {
    .nav-text {
        display: none;
    }
}
.icon-btn {
    color: var(--color-primary);
    transition: color var(--transition-fast);
    position: relative;
}
.icon-btn:hover {
    color: var(--color-accent);
}
.cart-badge {
    position: absolute;
    top: -5px;
    right: -8px;
    background: var(--color-accent);
    color: white;
    font-size: 0.7rem;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    font-family: var(--font-body);
    font-weight: 600;
    border-radius: var(--radius-sm);
    transition: all var(--transition-normal);
    text-align: center;
}
.btn-primary {
    background-color: var(--color-primary);
    color: white;
}
.btn-primary:hover {
    background-color: #333;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}
.btn-secondary {
    background-color: transparent;
    color: var(--color-primary);
    border: 1px solid var(--color-primary);
}
.btn-secondary:hover {
    background-color: var(--color-primary);
    color: white;
}
.btn-accent {
    background-color: var(--color-accent);
    color: white;
}
.btn-accent:hover {
    filter: brightness(1.1);
    transform: translateY(-2px);
}
.btn-full {
    width: 100%;
}

/* --- Product Cards --- */
.product-card {
    group: product;
    border-radius: var(--radius-md);
    overflow: hidden;
    background: white;
    transition: box-shadow var(--transition-normal);
}
.product-card:hover {
    box-shadow: var(--shadow-lg);
}
.product-img-wrap {
    position: relative;
    overflow: hidden;
    aspect-ratio: 3/4;
    background: #f0f0f0;
    cursor: pointer;
}
.product-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}
.product-card:hover .product-img {
    transform: scale(1.05);
}
.product-overlay {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--spacing-md);
    background: linear-gradient(to top, rgba(0,0,0,0.6) 0%, rgba(0,0,0,0.1) 50%, transparent 100%);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-normal);
    display: flex;
    align-items: flex-end;
    justify-content: center;
    z-index: 2;
}
.product-card:hover .product-overlay {
    opacity: 1;
    pointer-events: auto;
}
.product-overlay .btn,
.product-overlay .quick-view-btn {
    cursor: pointer;
    z-index: 3;
    position: relative;
    pointer-events: auto;
    color: white;
    border: none;
    font-size: 0.9rem;
    padding: 0.6rem 1.5rem;
}
.product-overlay .quick-view-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.product-info {
    padding: var(--spacing-md) 0;
}
.product-brand {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 0.25rem;
}
.product-title {
    font-size: 1rem;
    font-weight: 500;
    margin-bottom: 0.25rem;
    color: var(--color-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.product-price {
    font-weight: 600;
    color: var(--color-text-main);
}

/* --- Brand Cards --- */
.brand-card {
    background: white;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-xl);
    text-align: center;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    aspect-ratio: 1;
    position: relative;
    overflow: hidden;
    box-shadow: 0 1px 3px rgba(0,0,0,0.06);
}
.brand-card:hover {
    border-color: var(--color-accent);
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
    transform: translateY(-4px) scale(1.02);
}
.brand-logo-text {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

@media (max-width: 768px) {
    /* --- Mobile compact: Brand Cards --- */
    .brand-card {
        padding: var(--spacing-sm);
        border-radius: var(--radius-sm);
        aspect-ratio: 1;
    }
    .brand-logo-text {
        font-size: 1rem;
    }
    .brand-card p {
        font-size: 0.72rem !important;
    }

    /* --- Mobile compact: Brand card overlay --- */
    .brand-card-overlay {
        padding: 8px 10px !important;
    }
    .brand-card-name {
        font-size: 0.78rem !important;
    }
    .brand-card-visit {
        font-size: 0.6rem !important;
    }
    .brand-avatar {
        width: 36px !important;
        height: 36px !important;
        margin-bottom: 4px !important;
    }
    .brand-avatar span {
        font-size: 0.9rem !important;
    }

    /* --- Mobile compact: Product Cards --- */
    .product-card {
        border-radius: 6px;
    }
    .product-img-wrap {
        aspect-ratio: 4/5;
        border-radius: 6px 6px 0 0;
    }
    .product-card .product-info {
        padding: 6px 4px 8px;
    }
    .product-brand {
        font-size: 0.6rem;
        letter-spacing: 0.3px;
        margin-bottom: 1px;
        display: none; /* Hide brand line on mobile to save space */
    }
    .product-title {
        font-size: 0.78rem;
        line-height: 1.25;
        margin-bottom: 2px;
    }
    .product-price {
        font-size: 0.78rem;
    }
    .product-overlay {
        /* Quick View overlay not useful on touch — keep hidden */
        display: none;
    }

    /* --- Mobile compact: Real Photo Badge --- */
    .real-photo-badge {
        font-size: 0.55rem !important;
        padding: 2px 5px !important;
        top: 4px !important;
        left: 4px !important;
        gap: 2px !important;
        border-radius: 3px !important;
    }

    /* --- Mobile compact: Discount price elements --- */
    .product-price span {
        font-size: 0.7rem !important;
    }
}

/* Extra-small phones: tighten further */
@media (max-width: 400px) {
    .brand-card {
        aspect-ratio: 4/3;
        padding: 6px;
    }
    .brand-logo-text {
        font-size: 0.85rem;
    }
    .product-card .product-info {
        padding: 5px 3px 6px;
    }
    .product-title {
        font-size: 0.72rem;
    }
    .product-price {
        font-size: 0.72rem;
    }
}

/* --- Forms --- */
.form-group {
    margin-bottom: var(--spacing-md);
}
.form-label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
    font-size: 0.9rem;
}
.form-input {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    transition: border-color var(--transition-fast);
}
.form-input:focus {
    outline: none;
    border-color: var(--color-primary);
}

/* --- Mobile Responsive Navbar --- */
@media (max-width: 768px) {
    .nav-container {
        padding: 0 var(--spacing-sm);
    }
    .nav-logo {
        font-size: 1.2rem;
    }
    .nav-links {
        display: none;
    }
    .nav-icons {
        gap: var(--spacing-sm);
    }
    .nav-icons .icon-btn svg {
        width: 20px;
        height: 20px;
    }
}

/* --- Announcement Banner --- */
.announcement-banner {
    background: linear-gradient(135deg, var(--color-primary) 0%, #222222 50%, var(--color-accent) 100%);
    color: white;
    padding: 8px var(--spacing-md);
    text-align: center;
    font-size: 0.88rem;
    font-weight: 500;
    position: relative;
    z-index: 101; /* Must sit above navbar (z-index 100) */
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-sm);
    transition: transform var(--transition-normal), opacity var(--transition-normal), margin-top var(--transition-normal);
}
.announcement-banner.hidden {
    transform: translateY(-100%);
    opacity: 0;
    margin-top: -38px;
    pointer-events: none;
}
.announcement-banner-content {
    flex-grow: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
}
.announcement-banner-close {
    background: none;
    border: none;
    color: white;
    cursor: pointer;
    font-size: 1.3rem;
    padding: 0 var(--spacing-sm);
    line-height: 1;
    opacity: 0.8;
    transition: opacity var(--transition-fast);
}
.announcement-banner-close:hover {
    opacity: 1;
}