/* ============================================================
   TechMartSE — Copper Redesign v1.0
   Design System Override Layer
   ============================================================ */

/* ── 1. CSS Custom Properties Override ── */
:root {
    /* Copper Primary */
    --color-primary: #C88A3E;
    --color-primary-dark: #8B5E2F;
    --color-primary-light: #D4A85C;
    --color-primary-bg: #F5EDE0;

    /* Copper Secondary */
    --color-secondary: #C88A3E;
    --color-secondary-dark: #8B5E2F;
    --color-secondary-light: #E8C78A;

    /* Enhanced Neutrals */
    --color-slate-800: #1E293B;
    --color-slate-700: #334155;
    --color-slate-600: #475569;

    /* Refined Shadows */
    --shadow-card: 0 1px 3px rgba(0,0,0,0.04), 0 1px 2px rgba(0,0,0,0.06);
    --shadow-card-hover: 0 10px 25px -5px rgba(0,0,0,0.1), 0 4px 10px -6px rgba(0,0,0,0.06);
    --shadow-nav: 0 1px 0 rgba(255,255,255,0.05) inset, 0 -1px 0 rgba(0,0,0,0.1) inset;

    /* Border Radius Refined */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --radius-xl: 20px;
    --radius-full: 9999px;

    /* Typography */
    --font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;

    /* Transitions */
    --transition-fast: 180ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);

    /* Layout */
    --header-height: 72px;
}

/* ── 2. Base Typography ── */
body {
    font-family: var(--font-family);
    color: var(--color-gray-800);
    background-color: #FAFAF9;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    letter-spacing: -0.01em;
    color: var(--color-slate-800);
}

a { color: var(--color-primary); }
a:hover { color: var(--color-primary-dark); }

/* ── 3. Top Bar — Dark & Sleek ── */
.top-bar {
    background-color: var(--color-slate-800);
    color: #94A3B8;
    font-size: 12px;
    height: 36px;
    line-height: 36px;
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

.lang-current {
    color: #94A3B8;
    font-size: 12px;
}
.lang-current:hover { color: var(--color-primary-light); }
.top-bar-currency { color: var(--color-primary-light); }

/* ── 4. Site Header — Premium Feel ── */
.site-header {
    background: #ffffff;
    border-bottom: 1px solid #F1F0ED;
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
    box-shadow: var(--shadow-card);
}

.header-inner {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    height: var(--header-height);
}

/* Site Branding */
.site-branding {
    flex-shrink: 0;
}
.site-title {
    font-size: 22px;
    font-weight: 700;
    color: var(--color-slate-800);
    letter-spacing: -0.02em;
    display: flex;
    align-items: center;
    gap: 6px;
}
.site-title::before {
    content: '';
    width: 8px;
    height: 8px;
    background: var(--color-primary);
    border-radius: 2px;
    transform: rotate(45deg);
    display: inline-block;
}
.site-description {
    font-size: 11px;
    color: var(--color-gray-400);
    margin-top: -2px;
}

/* ── 5. Search — Integrated ── */
.header-search {
    flex: 1;
    max-width: 520px;
    display: block !important;
}

.search-form--header {
    margin: 0;
}

.search-form--header .search-input-wrapper {
    display: flex !important;
    align-items: center;
    background: #F8F7F5;
    border: 1px solid #EBE9E5;
    border-radius: var(--radius-full);
    overflow: hidden;
    min-height: 44px;
    transition: all var(--transition-fast);
    box-shadow: var(--shadow-card);
}
.search-form--header .search-input-wrapper:focus-within {
    background: #ffffff;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(200, 138, 62, 0.12);
}

/* Category Select */
.search-category-select {
    position: relative;
    flex-shrink: 0;
}
.search-category-toggle {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 0 16px;
    height: 44px;
    background: none;
    border: none;
    border-right: 1px solid #E5E3DF;
    color: var(--color-gray-600);
    font-size: 13px;
    cursor: pointer;
    white-space: nowrap;
    transition: color var(--transition-fast);
}
.search-category-toggle:hover { color: var(--color-primary); }

.search-category-dropdown {
    display: none !important;
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    background: #ffffff;
    border: 1px solid #EBE9E5;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-card-hover);
    min-width: 180px;
    max-height: 280px;
    overflow-y: auto;
    z-index: var(--z-dropdown);
    padding: 6px 0;
    margin: 0;
    list-style: none;
}
.search-category-dropdown.open {
    display: block !important;
}
.search-category-dropdown li {
    padding: 8px 16px;
    font-size: 13px;
    color: var(--color-gray-700);
    cursor: pointer;
    transition: all var(--transition-fast);
}
.search-category-dropdown li:hover {
    background: var(--color-primary-bg);
    color: var(--color-primary);
}

/* Search Field */
.search-field-wrap {
    flex: 1;
    position: relative;
    display: flex;
    align-items: center;
}
.search-field-icon {
    position: absolute;
    left: 14px;
    color: #B0AEA8;
    pointer-events: none;
    font-size: 15px;
}
.search-form--header .search-field {
    width: 100%;
    padding: 10px 14px 10px 38px;
    border: none;
    background: transparent;
    font-size: 14px;
    color: var(--color-slate-800);
    outline: none;
}
.search-form--header .search-field::placeholder {
    color: #B0AEA8;
}
.search-submit {
    flex-shrink: 0;
    padding: 8px 20px;
    margin: 0 4px;
    height: 36px;
    background: var(--color-primary);
    color: #fff;
    border: none;
    border-radius: var(--radius-full);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
}
.search-submit:hover {
    background: var(--color-primary-dark);
}

/* ── 6. Header Actions — Refined ── */
.header-action-btn {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    color: var(--color-gray-500);
    background: #F8F7F5;
    border: 1px solid #EBE9E5;
    transition: all var(--transition-fast);
}
.header-action-btn:hover {
    color: var(--color-primary);
    background: var(--color-primary-bg);
    border-color: var(--color-primary-light);
    box-shadow: 0 0 0 3px rgba(200, 138, 62, 0.1);
}

.cart-badge {
    background: var(--color-primary);
    color: #fff;
    font-size: 11px;
    font-weight: 700;
    border: 2px solid #fff;
}

/* ── 7. Primary Navigation ── */
.main-navigation {
    background: var(--color-slate-800);
    border-top: 1px solid rgba(255,255,255,0.05);
    margin: 0 calc(-1 * var(--container-padding));
    padding: 0 var(--container-padding);
}

.primary-menu {
    display: flex;
    align-items: center;
    gap: 0;
    margin: 0;
    padding: 0;
    list-style: none;
}

.primary-menu > li > a {
    display: flex;
    align-items: center;
    padding: 14px 20px;
    font-size: 14px;
    font-weight: 500;
    color: #CBD5E1;
    text-decoration: none;
    transition: all var(--transition-fast);
    position: relative;
}
.primary-menu > li > a:hover,
.primary-menu > li.current-menu-item > a {
    color: #ffffff;
    background: rgba(200, 138, 62, 0.12);
}
.primary-menu > li.current-menu-item > a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 20px;
    right: 20px;
    height: 2px;
    background: var(--color-primary);
    border-radius: 2px 2px 0 0;
}

.primary-menu .sub-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: #ffffff;
    border: 1px solid #EBE9E5;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-card-hover);
    min-width: 200px;
    padding: 6px 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(4px);
    transition: all var(--transition-fast);
    z-index: var(--z-dropdown);
}
.primary-menu li:hover > .sub-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
.primary-menu .sub-menu li a {
    display: block;
    padding: 9px 18px;
    font-size: 13px;
    color: var(--color-gray-700);
    transition: all var(--transition-fast);
}
.primary-menu .sub-menu li a:hover {
    background: var(--color-primary-bg);
    color: var(--color-primary);
}

/* ── 8. Hero Carousel — Copper Gradient ── */
.hero-carousel {
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, #F5EDE0 0%, #EDE0D0 30%, #E0D5C5 70%, #D4C8B5 100%);
}

.carousel-slide {
    display: none;
    padding: var(--space-3xl) 0;
}
.carousel-slide.active { display: block; }

.slide-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
    min-height: 380px;
}

.slide-title {
    font-size: 42px;
    font-weight: 700;
    color: var(--color-slate-800) !important;
    line-height: 1.15;
    letter-spacing: -0.02em;
    margin-bottom: var(--space-md);
}
.slide-subtitle {
    font-size: 17px;
    color: var(--color-slate-600) !important;
    margin-bottom: var(--space-xl);
    opacity: 0.85;
}
.slide-image {
    display: flex;
    justify-content: center;
    align-items: center;
}
.slide-image img {
    max-height: 360px;
    object-fit: contain;
    border-radius: var(--radius-lg);
}

/* Carousel Controls — Copper */
.carousel-btn {
    background: rgba(200, 138, 62, 0.15);
    border: 1px solid rgba(200, 138, 62, 0.25);
    color: var(--color-primary-dark);
    backdrop-filter: blur(8px);
}
.carousel-btn:hover {
    background: rgba(200, 138, 62, 0.3);
    color: var(--color-primary-dark);
}

.carousel-dot {
    border: 2px solid rgba(200, 138, 62, 0.4);
}
.carousel-dot.active {
    background: var(--color-primary);
    border-color: var(--color-primary);
}

/* ── 9. Section Headers ── */
.section-header {
    text-align: center;
    margin-bottom: var(--space-2xl);
}
.section-title {
    font-size: 28px;
    font-weight: 700;
    color: var(--color-slate-800);
    letter-spacing: -0.015em;
}
.section-subtitle {
    font-size: 15px;
    color: var(--color-gray-500);
    max-width: 560px;
    margin: 8px auto 0;
}

/* Section Tabs */
.tab-btn {
    padding: 8px 20px;
    border: 1px solid #EBE9E5;
    background: #fff;
    color: var(--color-gray-600);
    border-radius: var(--radius-full);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
}
.tab-btn.active,
.tab-btn:hover {
    background: var(--color-primary);
    color: #fff;
    border-color: var(--color-primary);
}

/* ── 10. Product Categories — Chip Style ── */
.product-categories-section {
    background: #ffffff;
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-lg);
}

.category-card {
    text-align: center;
    padding: var(--space-xl) var(--space-md);
    background: #FAFAF9;
    border: 1px solid #F1F0ED;
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}
.category-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, var(--color-primary-bg) 0%, transparent 100%);
    opacity: 0;
    transition: opacity var(--transition-base);
}
.category-card:hover::before { opacity: 1; }
.category-card:hover {
    border-color: var(--color-primary-light);
    box-shadow: var(--shadow-card-hover);
    transform: translateY(-3px);
}
.category-image {
    width: 100px;
    height: 100px;
    margin: 0 auto var(--space-md);
    border-radius: var(--radius-full);
    overflow: hidden;
    background: #fff;
    border: 1px solid #EBE9E5;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 1;
}
.category-name {
    font-size: 15px;
    font-weight: 600;
    color: var(--color-slate-800);
    position: relative;
    z-index: 1;
}
.category-count {
    font-size: 12px;
    color: var(--color-primary);
    position: relative;
    z-index: 1;
}

/* ── 11. Product Cards — Premium ── */
.products-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-lg);
}

.product-card {
    background: #ffffff;
    border: 1px solid #F1F0ED;
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-base);
    position: relative;
    box-shadow: var(--shadow-card);
}
.product-card:hover {
    border-color: #E5E3DF;
    box-shadow: var(--shadow-card-hover);
    transform: translateY(-2px);
}

.product-image {
    position: relative;
    overflow: hidden;
    aspect-ratio: 1;
    background: #F8F7F5;
}
.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-base);
}
.product-card:hover .product-image img {
    transform: scale(1.04);
}

/* Sale Badge */
.onsale {
    position: absolute;
    top: 10px;
    left: 10px;
    background: var(--color-primary);
    color: #fff;
    padding: 4px 10px;
    font-size: 11px;
    font-weight: 700;
    border-radius: var(--radius-sm);
    z-index: 1;
    letter-spacing: 0.02em;
}

/* Product Info */
.product-info {
    padding: var(--space-md);
}
.product-category {
    font-size: 11px;
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    font-weight: 600;
    margin-bottom: 4px;
}
.product-title {
    font-size: 15px;
    font-weight: 600;
    color: var(--color-slate-800);
    margin-bottom: 8px;
    line-height: 1.35;
}
.product-title a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition-fast);
}
.product-title a:hover { color: var(--color-primary); }

.product-price {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}
.price-current {
    font-size: 18px;
    font-weight: 700;
    color: var(--color-slate-800);
}
.price-old {
    font-size: 13px;
    color: #B0AEA8;
    text-decoration: line-through;
}
.price-discount {
    font-size: 11px;
    font-weight: 700;
    color: #fff;
    background: var(--color-primary);
    padding: 2px 6px;
    border-radius: var(--radius-sm);
}

/* Product Hover Actions */
.product-actions {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    display: flex;
    justify-content: center;
    gap: 8px;
    padding: var(--space-md);
    background: linear-gradient(transparent, rgba(0,0,0,0.5));
    transform: translateY(100%);
    transition: transform var(--transition-base);
}
.product-card:hover .product-actions { transform: translateY(0); }

.action-btn {
    width: 38px;
    height: 38px;
    border-radius: var(--radius-full);
    background: #ffffff;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-slate-800);
    font-size: 16px;
    transition: all var(--transition-fast);
    box-shadow: var(--shadow-card);
}
.action-btn:hover {
    background: var(--color-primary);
    color: #fff;
    transform: translateY(-1px);
}

/* ── 12. Buttons — Copper Primary ── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 10px 20px;
    font-size: 14px;
    font-weight: 600;
    line-height: 1.5;
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-align: center;
    white-space: nowrap;
    user-select: none;
    letter-spacing: -0.01em;
}
.btn:focus-visible {
    outline: 3px solid var(--color-primary);
    outline-offset: 2px;
}

.btn-primary {
    background-color: var(--color-primary);
    color: #ffffff;
    border-color: var(--color-primary);
}
.btn-primary:hover {
    background-color: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
    color: #ffffff;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(200, 138, 62, 0.3);
}

.btn-secondary {
    background-color: var(--color-slate-800);
    color: #ffffff;
    border-color: var(--color-slate-800);
}
.btn-secondary:hover {
    background-color: #0F172A;
    color: #ffffff;
}

.btn-outline {
    background-color: transparent;
    color: var(--color-primary);
    border-color: var(--color-primary);
}
.btn-outline:hover {
    background-color: var(--color-primary);
    color: #ffffff;
    transform: translateY(-1px);
}

.btn-outline-light {
    background-color: transparent;
    color: var(--color-slate-800);
    border-color: var(--color-slate-800);
}
.btn-outline-light:hover {
    background-color: var(--color-slate-800);
    color: #ffffff;
}

.btn-light {
    background-color: #ffffff;
    color: var(--color-primary);
    border-color: #ffffff;
}
.btn-light:hover {
    background-color: var(--color-primary-bg);
    color: var(--color-primary-dark);
}

.btn-sm { padding: 6px 14px; font-size: 12px; }
.btn-lg { padding: 14px 28px; font-size: 16px; }
.btn-block { display: flex; width: 100%; }

/* ── 13. Trust Badges ── */
.trust-badges {
    background: #ffffff;
    border-top: 1px solid #F1F0ED;
    border-bottom: 1px solid #F1F0ED;
}

.badges-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-xl);
    padding: var(--space-xl) 0;
}

.badge-item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md);
    border-radius: var(--radius-md);
    transition: background var(--transition-fast);
}
.badge-item:hover {
    background: var(--color-primary-bg);
}

/* ── 14. Product Lines (Brands) — Card Style ── */
.brands-section {
    background: #FAFAF9;
}

.brands-carousel {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--space-md);
    padding: var(--space-lg) 0;
}

.brand-item {
    padding: 14px 24px;
    background: #ffffff;
    border: 1px solid #EBE9E5;
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 600;
    color: var(--color-slate-700);
    transition: all var(--transition-fast);
    text-align: center;
    box-shadow: var(--shadow-card);
    min-width: 140px;
    display: flex;
    align-items: center;
    gap: 8px;
}
.brand-item:hover {
    color: var(--color-primary);
    border-color: var(--color-primary-light);
    box-shadow: var(--shadow-card-hover);
    transform: translateY(-2px);
}
.brand-icon {
    font-size: 20px;
}

/* ── 15. CTA Section — Copper Gradient ── */
.cta-section {
    background: linear-gradient(135deg, #C88A3E 0%, #8B5E2F 50%, #6B4226 100%);
    color: #ffffff;
    padding: var(--space-3xl) 0;
    position: relative;
    overflow: hidden;
}
.cta-section::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%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    pointer-events: none;
}

.cta-inner { position: relative; z-index: 1; }

.cta-inner h2 {
    color: #ffffff;
    font-size: 34px;
    font-weight: 700;
    letter-spacing: -0.02em;
}

/* ── 16. Form Controls ── */
.form-control {
    border: 1px solid #E5E3DF;
    border-radius: var(--radius-md);
    background: #FAFAF9;
    transition: all var(--transition-fast);
}
.form-control:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(200, 138, 62, 0.1);
    background: #ffffff;
}

.checkbox-label input[type="checkbox"] {
    accent-color: var(--color-primary);
}

/* ── 17. Footer — Dark ── */
.site-footer {
    background: var(--color-slate-800);
    color: #94A3B8;
    border-top: 1px solid rgba(255,255,255,0.05);
}

.footer-widgets h4,
.footer-widgets h3 {
    color: #ffffff;
    font-weight: 600;
}

.footer-widgets a {
    color: #94A3B8;
    transition: color var(--transition-fast);
}
.footer-widgets a:hover {
    color: var(--color-primary-light);
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.06);
}

/* ── 18. Language Switcher — Refined ── */
.lang-dropdown {
    background: #ffffff;
    border: 1px solid #EBE9E5;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-card-hover);
}

.lang-dropdown li a {
    font-size: 13px;
    padding: 8px 16px;
}
.lang-dropdown li a:hover {
    background: var(--color-primary-bg);
    color: var(--color-primary);
}

/* ── 19. Action Dropdowns ── */
.header-action-dropdown {
    border-color: #EBE9E5;
    box-shadow: var(--shadow-card-hover);
}

.dropdown-menu li a:hover {
    background: var(--color-primary-bg);
    color: var(--color-primary);
}

/* ── 20. Newsletter — Copper Accent ── */
.newsletter-section {
    background: var(--color-primary-bg);
    border-top: 1px solid rgba(200, 138, 62, 0.15);
}

.newsletter-input {
    border-color: #E5E3DF;
    border-radius: var(--radius-md);
}
.newsletter-input:focus {
    border-color: var(--color-primary);
}

/* ── 21. Misc Refinements ── */
::-moz-selection { background: rgba(200, 138, 62, 0.2); }
::selection { background: rgba(200, 138, 62, 0.2); }

/* Back to top */
.back-to-top {
    background: var(--color-primary);
    color: #fff;
    border: none;
    box-shadow: var(--shadow-card-hover);
}
.back-to-top:hover {
    background: var(--color-primary-dark);
    transform: translateY(-2px);
}

/* Loading spinner */
.placeholder-image::after {
    border-color: var(--color-primary);
    border-top-color: transparent;
}

/* Page Hero */
.page-hero {
    background: linear-gradient(135deg, #F5EDE0 0%, #EDE0D0 100%);
}
.hero-title {
    color: var(--color-slate-800) !important;
}
.hero-subtitle {
    color: var(--color-slate-600) !important;
    opacity: 0.8;
}