/* ==========================================================================
   Estronix Modern UI — 2026 refresh
   ========================================================================== */

:root {
    --color-primary: #2563EB;
    --color-primary-dark: #1E40AF;
    --color-accent: #F97316;
    --color-surface: #FFFFFF;
    --color-surface-elevated: #F8FAFC;
    --color-surface-muted: #F1F5F9;
    --gradient-brand: linear-gradient(135deg, #2563EB 0%, #4F46E5 50%, #6366F1 100%);
    --gradient-dark: linear-gradient(135deg, #0F172A 0%, #1E293B 100%);
    --gradient-hero: radial-gradient(ellipse 80% 60% at 70% 20%, rgba(37, 99, 235, 0.12), transparent 60%),
                     radial-gradient(ellipse 60% 50% at 10% 80%, rgba(249, 115, 22, 0.08), transparent 55%),
                     linear-gradient(180deg, #FAFBFC 0%, #F0F4FF 100%);
    --shadow-focus: 0 0 0 3px rgba(37, 99, 235, 0.18);
    --radius-pill: 999px;
}

/* Accessibility */
.skip-link {
    position: absolute;
    top: -100px;
    left: 1rem;
    z-index: 9999;
    padding: 0.75rem 1.25rem;
    background: var(--color-navy);
    color: #fff;
    border-radius: var(--radius-sm);
    font-weight: 600;
    transition: top 0.2s ease;
}

.skip-link:focus {
    top: 1rem;
}

/* Promo bar */
.promo-bar {
    background: var(--gradient-dark);
    color: rgba(255, 255, 255, 0.92);
    font-size: 0.8125rem;
    font-weight: 500;
    padding: 0.5rem 0;
    text-align: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.promo-bar-inner {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 0.5rem 1.5rem;
}

.promo-bar-item {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
}

.promo-bar-item i {
    color: #93C5FD;
}

.promo-bar-item a {
    color: inherit;
    text-decoration: none;
}

.promo-bar-item a:hover {
    color: #fff;
    text-decoration: underline;
}

/* Navbar polish */
.site-navbar .dropdown-menu {
    border-radius: var(--radius-md) !important;
    padding: 0.5rem;
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-lg);
}

.site-navbar .dropdown-item {
    border-radius: var(--radius-sm);
    padding: 0.5rem 0.875rem;
    font-size: 0.9375rem;
}

.site-navbar .dropdown-item:hover {
    background: var(--color-surface-muted);
}

/* Hero refresh */
.hero-premium {
    background: var(--gradient-hero);
    min-height: min(88vh, 720px);
    padding: clamp(3rem, 6vw, 5rem) 0;
}

.hero-stats {
    display: flex;
    flex-wrap: wrap;
    gap: 1.25rem 2rem;
    margin-top: 2.5rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(226, 232, 240, 0.8);
}

.hero-stat {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.hero-stat-icon {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: white;
    box-shadow: var(--shadow-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-blue);
    font-size: 1.125rem;
}

.hero-stat strong {
    display: block;
    font-size: 0.875rem;
    color: var(--color-navy);
    font-family: var(--font-heading);
}

.hero-stat span {
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

/* Section headers */
.section-header-centered .section-subtitle {
    margin-left: auto;
    margin-right: auto;
}

/* Product cards — modern ecommerce */
.product-card-premium {
    border: 1px solid rgba(226, 232, 240, 0.9);
    box-shadow: 0 1px 2px rgba(15, 23, 42, 0.04);
}

.product-card-premium:hover {
    border-color: rgba(37, 99, 235, 0.2);
    box-shadow: 0 20px 40px rgba(15, 23, 42, 0.1);
}

.product-card-image-wrap {
    background: linear-gradient(180deg, #FAFBFC 0%, #F1F5F9 100%);
}

.product-card-actions {
    padding: 0 1.25rem 1.25rem;
}

.product-card-actions .add-to-cart-btn {
    width: 100%;
    border-radius: var(--radius-md);
    padding: 0.75rem;
    font-weight: 600;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.product-card-actions .add-to-cart-btn:hover:not(:disabled) {
    transform: translateY(-1px);
}

.product-wishlist-btn {
    position: absolute;
    top: 0.75rem;
    right: 0.75rem;
    z-index: 2;
    width: 36px;
    height: 36px;
    border: none;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.95);
    color: var(--color-text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-sm);
    transition: color 0.2s ease, transform 0.2s ease;
}

.product-wishlist-btn:hover {
    color: #EF4444;
    transform: scale(1.08);
}

/* Category cards */
.category-card-premium {
    box-shadow: 0 1px 3px rgba(15, 23, 42, 0.04);
}

/* Trust & testimonials */
.trust-card {
    background: white;
    border: 1px solid var(--color-border);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.trust-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.testimonial-card {
    border: 1px solid var(--color-border);
    transition: box-shadow 0.25s ease;
}

.testimonial-card:hover {
    box-shadow: var(--shadow-md);
}

/* CTA banner */
.cta-banner {
    background: var(--gradient-dark);
    border-radius: var(--radius-xl);
    padding: clamp(2rem, 5vw, 3.5rem);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-banner::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 80% 20%, rgba(37, 99, 235, 0.25), transparent 50%);
    pointer-events: none;
}

.cta-banner > * {
    position: relative;
    z-index: 1;
}

.cta-banner h2 {
    color: white;
    font-size: clamp(1.5rem, 3vw, 2rem);
    margin-bottom: 0.75rem;
}

.cta-banner p {
    color: rgba(255, 255, 255, 0.75);
    max-width: 480px;
    margin: 0 auto 1.5rem;
}

/* Page headers */
.page-header {
    background: var(--gradient-hero);
    padding: 2.5rem 0 2rem;
    border-bottom: 1px solid var(--color-border);
    margin-bottom: 2rem;
}

.page-header h1 {
    font-family: var(--font-heading);
    font-size: clamp(1.75rem, 4vw, 2.25rem);
    font-weight: 800;
    color: var(--color-navy);
    margin: 0.5rem 0 0;
    letter-spacing: -0.02em;
}

.page-header-lead {
    color: var(--color-text-muted);
    margin: 0.5rem 0 0;
    font-size: 1.05rem;
}

.breadcrumb-premium {
    margin-bottom: 0;
    font-size: 0.875rem;
}

.breadcrumb-premium .breadcrumb-item a {
    color: var(--color-text-muted);
    text-decoration: none;
}

.breadcrumb-premium .breadcrumb-item a:hover {
    color: var(--color-blue);
}

.breadcrumb-premium .breadcrumb-item.active {
    color: var(--color-navy);
    font-weight: 500;
}

/* Shop toolbar */
.shop-toolbar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1.5rem;
    padding: 1rem 1.25rem;
    background: white;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
}

.shop-result-count {
    font-size: 0.9375rem;
    color: var(--color-text-muted);
}

.shop-result-count strong {
    color: var(--color-navy);
}

/* Filters */
.filter-panel {
    background: white;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    box-shadow: 0 1px 3px rgba(15, 23, 42, 0.04);
    position: sticky;
    top: calc(var(--nav-height) + 1rem);
}

.filter-panel h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--color-navy);
    margin-bottom: 1.25rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--color-border);
}

/* Forms — global polish */
.form-control,
.form-select {
    border-radius: var(--radius-md);
    border-color: var(--color-border);
    padding: 0.625rem 0.875rem;
    font-size: 0.9375rem;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-control:focus,
.form-select:focus {
    border-color: var(--color-blue);
    box-shadow: var(--shadow-focus);
}

.form-label {
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--color-navy);
    margin-bottom: 0.375rem;
}

/* Cards & summaries */
.order-summary-card,
.filter-panel,
.cart-table-wrap {
    background: white;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    box-shadow: 0 4px 20px rgba(15, 23, 42, 0.06);
}

.cart-table-wrap {
    padding: 0;
    overflow: hidden;
}

.cart-table-wrap thead th {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--color-text-muted);
    padding: 1rem 1.25rem;
    background: var(--color-surface-muted);
    border-bottom: 1px solid var(--color-border);
}

.cart-table-wrap tbody td {
    padding: 1.25rem;
    vertical-align: middle;
    border-bottom: 1px solid var(--color-border);
}

.cart-table-wrap tbody tr:last-child td {
    border-bottom: none;
}

.cart-product-thumb {
    width: 80px;
    height: 80px;
    object-fit: contain;
    background: var(--color-surface-muted);
    border-radius: var(--radius-md);
    padding: 0.5rem;
}

/* Auth */
.auth-card {
    max-width: 440px;
    margin: 0 auto;
    background: white;
    border-radius: var(--radius-xl);
    padding: 2.5rem;
    box-shadow: 0 20px 50px rgba(15, 23, 42, 0.08);
    border: 1px solid var(--color-border);
}

.auth-card h2 {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.75rem;
    margin-bottom: 0.5rem;
    text-align: center;
}

.auth-subtitle {
    text-align: center;
    color: var(--color-text-muted);
    margin-bottom: 2rem;
}

/* Footer */
.site-footer {
    background: var(--color-navy);
    color: rgba(255, 255, 255, 0.75);
    padding: 4rem 0 0;
    margin-top: 4rem;
}

.site-footer h6 {
    color: white;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 1.25rem;
}

.footer-brand {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.25rem;
    color: white !important;
    margin-bottom: 1rem;
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li {
    margin-bottom: 0.625rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.65);
    text-decoration: none;
    font-size: 0.9375rem;
    transition: color 0.2s ease;
}

.footer-links a:hover {
    color: white;
}

.footer-social {
    display: flex;
    gap: 0.75rem;
    margin-top: 1.25rem;
}

.footer-social a {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    transition: background 0.2s ease, transform 0.2s ease;
}

.footer-social a:hover {
    background: var(--color-blue);
    transform: translateY(-2px);
    color: white;
}

.footer-newsletter {
    display: flex;
    gap: 0.5rem;
}

.footer-newsletter input {
    flex: 1;
    border: 1px solid rgba(255, 255, 255, 0.15);
    background: rgba(255, 255, 255, 0.08);
    color: white;
    border-radius: var(--radius-md);
    padding: 0.625rem 1rem;
}

.footer-newsletter input::placeholder {
    color: rgba(255, 255, 255, 0.45);
}

.footer-bottom {
    margin-top: 3rem;
    padding: 1.5rem 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.5);
}

/* Pagination */
.pagination .page-link {
    border-radius: var(--radius-sm);
    margin: 0 0.15rem;
    border: 1px solid var(--color-border);
    color: var(--color-navy);
    font-weight: 500;
    padding: 0.5rem 0.875rem;
}

.pagination .page-item.active .page-link {
    background: var(--color-blue);
    border-color: var(--color-blue);
}

/* Product detail */
.product-detail-gallery {
    background: white;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: 1.5rem;
    box-shadow: 0 4px 24px rgba(15, 23, 42, 0.06);
}

.gallery-main-wrap {
    position: relative;
    background: var(--color-surface-muted);
    border-radius: var(--radius-lg);
    padding: 2rem;
    text-align: center;
}

.main-product-image {
    max-height: 420px;
    width: auto;
    max-width: 100%;
    object-fit: contain;
}

.thumbnail-img {
    width: 100%;
    aspect-ratio: 1;
    object-fit: contain;
    background: var(--color-surface-muted);
    border-radius: var(--radius-md);
    border: 2px solid transparent;
    cursor: pointer;
    padding: 0.5rem;
    transition: border-color 0.2s ease;
}

.thumbnail-img.active,
.thumbnail-img:hover {
    border-color: var(--color-blue);
}

/* Alerts */
.alert {
    border-radius: var(--radius-md);
    border: none;
    font-size: 0.9375rem;
}

/* Empty states */
.empty-state {
    text-align: center;
    padding: 4rem 2rem;
}

.empty-state-icon {
    width: 88px;
    height: 88px;
    margin: 0 auto 1.5rem;
    border-radius: 50%;
    background: var(--color-surface-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--color-blue);
}

/* Payment trust strip */
.checkout-trust {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--color-border);
}

.checkout-trust-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.8125rem;
    color: var(--color-text-muted);
}

.checkout-trust-item i {
    color: var(--color-success);
}

/* Animations — content visible immediately; only below-fold items animate in */
.fade-up {
    opacity: 1;
    transform: none;
}

.js .fade-up.will-animate {
    opacity: 0;
    transform: translateY(16px);
    transition: opacity 0.45s ease, transform 0.45s ease;
}

.js .fade-up.will-animate.visible {
    opacity: 1;
    transform: translateY(0);
}

.fade-up-delay-1 { transition-delay: 0.1s; }
.fade-up-delay-2 { transition-delay: 0.2s; }

@media (max-width: 991.98px) {
    .site-navbar {
        height: auto;
        min-height: var(--nav-height);
        background: #ffffff;
    }

    .site-navbar.scrolled {
        background: #ffffff;
    }

    .site-navbar .navbar {
        height: auto;
        min-height: var(--nav-height);
        padding: 0.75rem 0;
        align-items: center;
    }

    .site-navbar .navbar-collapse {
        background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
        border: 1px solid var(--color-border);
        border-radius: var(--radius-lg);
        margin-top: 0.75rem;
        padding: 1rem 1.125rem 1.25rem;
        box-shadow: 0 16px 40px rgba(15, 23, 42, 0.1);
    }

    .site-navbar .navbar-collapse.show,
    .site-navbar .navbar-collapse.collapsing {
        margin-bottom: 0.5rem;
    }

    .site-navbar .navbar-nav {
        gap: 0.25rem;
        padding-bottom: 0.75rem;
        margin-bottom: 0.75rem;
        border-bottom: 1px solid var(--color-border);
    }

    .site-navbar .nav-link {
        padding: 0.75rem 1rem !important;
        background: rgba(255, 255, 255, 0.8);
    }

    .site-navbar .nav-link:hover,
    .site-navbar .nav-link.active {
        background: rgba(37, 99, 235, 0.08);
    }

    .site-navbar .navbar-collapse .dropdown-menu {
        position: static !important;
        transform: none !important;
        float: none;
        width: 100%;
        margin: 0.25rem 0 0.5rem;
        padding: 0.35rem;
        background: #ffffff;
        border: 1px solid var(--color-border);
        box-shadow: inset 0 1px 2px rgba(15, 23, 42, 0.04);
    }

    .nav-search-form {
        margin: 0 0 0.75rem;
        width: 100%;
        max-width: none;
    }

    .nav-search-input {
        background: #ffffff;
    }

    .nav-actions {
        width: 100%;
        justify-content: flex-start;
        gap: 0.5rem;
        padding-top: 0.75rem;
        border-top: 1px solid var(--color-border);
    }

    .nav-actions .btn-premium {
        margin-left: auto !important;
    }

    .filter-panel {
        position: static;
    }

    .hero-stats {
        gap: 1rem;
    }

    .promo-bar-inner {
        font-size: 0.75rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    .fade-up {
        opacity: 1;
        transform: none;
        transition: none;
    }

    .product-card-premium:hover,
    .btn-premium-primary:hover {
        transform: none;
    }

    .floating-cart-btn.is-pulse {
        animation: none;
    }
}

/* Floating cart button */
.floating-cart-btn {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    z-index: 1050;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 3.5rem;
    height: 3.5rem;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-primary, #2563eb) 0%, #1d4ed8 100%);
    color: #fff;
    text-decoration: none;
    box-shadow: 0 8px 24px rgba(37, 99, 235, 0.35), 0 2px 8px rgba(15, 23, 42, 0.12);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.floating-cart-btn:hover {
    color: #fff;
    transform: translateY(-2px) scale(1.04);
    box-shadow: 0 12px 28px rgba(37, 99, 235, 0.4), 0 4px 12px rgba(15, 23, 42, 0.15);
}

.floating-cart-btn i {
    font-size: 1.35rem;
}

.floating-cart-badge {
    position: absolute;
    top: -4px;
    right: -4px;
    min-width: 1.35rem;
    height: 1.35rem;
    padding: 0 0.35rem;
    border-radius: 999px;
    background: #ef4444;
    color: #fff;
    font-size: 0.7rem;
    font-weight: 700;
    line-height: 1.35rem;
    text-align: center;
    border: 2px solid #fff;
    box-shadow: 0 2px 6px rgba(15, 23, 42, 0.2);
}

.floating-cart-btn.is-pulse {
    animation: floatingCartPulse 0.5s ease;
}

@keyframes floatingCartPulse {
    0% { transform: scale(1); }
    40% { transform: scale(1.12); }
    100% { transform: scale(1); }
}

/* Floating WhatsApp button */
.floating-whatsapp-btn {
    position: fixed;
    bottom: 5.5rem;
    right: 1.5rem;
    z-index: 1050;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 3.5rem;
    height: 3.5rem;
    border-radius: 50%;
    background: linear-gradient(135deg, #25d366 0%, #128c7e 100%);
    color: #fff;
    text-decoration: none;
    box-shadow: 0 8px 24px rgba(37, 211, 102, 0.35), 0 2px 8px rgba(15, 23, 42, 0.12);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.floating-whatsapp-btn:hover {
    color: #fff;
    transform: translateY(-2px) scale(1.04);
    box-shadow: 0 12px 28px rgba(37, 211, 102, 0.45), 0 4px 12px rgba(15, 23, 42, 0.15);
}

.floating-whatsapp-btn i {
    font-size: 1.6rem;
}

/* WhatsApp order buttons */
.btn-whatsapp-order {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.25rem;
    border-radius: 0.75rem;
    border: none;
    background: linear-gradient(135deg, #25d366 0%, #128c7e 100%);
    color: #fff;
    font-weight: 600;
    text-decoration: none;
    box-shadow: 0 4px 14px rgba(37, 211, 102, 0.28);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn-whatsapp-order:hover {
    color: #fff;
    transform: translateY(-1px);
    box-shadow: 0 8px 20px rgba(37, 211, 102, 0.35);
}

.btn-whatsapp-order i {
    font-size: 1.15rem;
}

/* Add-to-cart toast */
.cart-toast {
    position: fixed;
    bottom: 9.75rem;
    right: 1.5rem;
    z-index: 1060;
    max-width: min(320px, calc(100vw - 2rem));
    margin: 0;
    padding: 0.75rem 1rem;
    border: none;
    border-radius: 0.75rem;
    box-shadow: 0 8px 24px rgba(15, 23, 42, 0.15);
    opacity: 0;
    transform: translateY(12px);
    transition: opacity 0.25s ease, transform 0.25s ease;
    pointer-events: none;
}

.cart-toast.is-visible {
    opacity: 1;
    transform: translateY(0);
}

@media (max-width: 575.98px) {
    .floating-cart-btn {
        bottom: 1rem;
        right: 1rem;
        width: 3.25rem;
        height: 3.25rem;
    }

    .floating-whatsapp-btn {
        bottom: 4.75rem;
        right: 1rem;
        width: 3.25rem;
        height: 3.25rem;
    }

    .cart-toast {
        bottom: 8.75rem;
        right: 1rem;
        left: 1rem;
        max-width: none;
    }
}

#product-grid-results.is-loading {
    opacity: 0.65;
    pointer-events: none;
    transition: opacity 0.2s ease;
}