/* ==================== CSS VARIABLES ==================== */
:root {
    --color-primary: #6366f1;
    --color-primary-dark: #4f46e5;
    --color-primary-light: #818cf8;
    --color-secondary: #10b981;
    --color-secondary-dark: #059669;
    --color-accent: #f59e0b;
    --color-danger: #ef4444;
    --color-text: #111827;
    --color-text-light: #6b7280;
    --color-bg: #fafbfc;
    --color-bg-white: #ffffff;
    --color-bg-alt: #f3f4f6;
    --color-border: #e5e7eb;
    --shadow-xs: 0 1px 2px rgba(0,0,0,0.04);
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 10px rgba(0,0,0,0.08);
    --shadow-lg: 0 8px 20px rgba(0,0,0,0.1);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* { box-sizing: border-box; }
body { 
    margin: 0; 
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background: var(--color-bg);
}

/* ==================== HERO SLIDER ==================== */
.hero-slider { position: relative; margin-bottom: 0; }
.carousel.carousel-fade .item { transition: opacity 0.8s ease-in-out; }
.carousel.carousel-fade .item.active.left,
.carousel.carousel-fade .item.active.right { opacity: 0; z-index: 1; }
.carousel.carousel-fade .item.next,
.carousel.carousel-fade .item.prev { opacity: 1; }

.banner-wrapper {
    position: relative;
    height: 550px;
    overflow: hidden;
}

.banner-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transform: scale(1.05);
    animation: zoomSlide 8s ease-in-out infinite alternate;
}

@keyframes zoomSlide {
    0% { transform: scale(1.05); }
    100% { transform: scale(1.1); }
}

.banner-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(120deg, rgba(99, 102, 241, 0.75) 0%, rgba(79, 70, 229, 0.65) 50%, rgba(16, 185, 129, 0.55) 100%);
    display: flex;
    align-items: center;
}

.banner-content {
    max-width: 700px;
}

.banner-label {
    display: inline-block;
    background: rgba(255, 255, 255, 0.25);
    backdrop-filter: blur(10px);
    color: #fff;
    padding: 8px 20px;
    border-radius: 50px;
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 20px;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.banner-title {
    font-size: 56px;
    font-weight: 800;
    color: #fff;
    line-height: 1.15;
    margin: 0 0 20px;
    text-shadow: 0 2px 8px rgba(0,0,0,0.15);
}

.banner-subtitle {
    font-size: 20px;
    color: rgba(255, 255, 255, 0.95);
    margin: 0 0 30px;
    font-weight: 400;
    text-shadow: 0 1px 4px rgba(0,0,0,0.1);
}

.btn-banner {
    background: #fff;
    color: var(--color-primary);
    padding: 15px 40px;
    border: none;
    border-radius: 50px;
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(0,0,0,0.15);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn-banner:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 25px rgba(0,0,0,0.25);
    background: var(--color-primary);
    color: #fff;
}

.animate-slide-up {
    animation: slideUpFade 0.8s ease-out forwards;
    opacity: 0;
}

.animate-slide-up-delay {
    animation: slideUpFade 0.8s ease-out 0.3s forwards;
    opacity: 0;
}

@keyframes slideUpFade {
    from { opacity: 0; transform: translateY(40px); }
    to { opacity: 1; transform: translateY(0); }
}

.carousel-indicators {
    bottom: 30px;
    z-index: 10;
}

.carousel-indicators li {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    margin: 0 5px;
    background: rgba(255,255,255,0.4);
    border: 2px solid transparent;
    transition: var(--transition);
}

.carousel-indicators li.active {
    background: #fff;
    width: 30px;
    border-radius: 5px;
}

.carousel-control-custom {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    background: rgba(255,255,255,0.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    opacity: 0;
    transition: var(--transition);
    z-index: 10;
    border: none;
}

.hero-slider:hover .carousel-control-custom { opacity: 1; }
.carousel-control-custom:hover {
    background: var(--color-primary);
    color: #fff;
    transform: translateY(-50%) scale(1.1);
}

.carousel-control-custom.left { left: 30px; }
.carousel-control-custom.right { right: 30px; }
.carousel-control-custom i { font-size: 22px; }

/* ==================== FEATURES BAR ==================== */
.features-bar {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    padding: 35px 0;
    position: relative;
    overflow: hidden;
}

.features-bar::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 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='0.05'%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");
}

.features-wrapper {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 0;
    position: relative;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 18px;
    padding: 0 25px;
    position: relative;
}

.feature-item:not(:last-child)::after {
    content: '';
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 1px;
    height: 50px;
    background: rgba(255,255,255,0.15);
}

.feature-icon-box {
    width: 55px;
    height: 55px;
    background: rgba(255,255,255,0.15);
    backdrop-filter: blur(10px);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: var(--transition);
}

.feature-item:hover .feature-icon-box {
    background: #fff;
    transform: rotate(10deg) scale(1.1);
}

.feature-icon-box i {
    font-size: 26px;
    color: #fff;
    transition: var(--transition);
}

.feature-item:hover .feature-icon-box i {
    color: var(--color-primary);
}

.feature-text h5 {
    font-size: 15px;
    font-weight: 700;
    color: #fff;
    margin: 0 0 5px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.feature-text p {
    font-size: 13px;
    color: rgba(255,255,255,0.85);
    margin: 0;
}

/* ==================== SECTION HEADERS ==================== */
.section-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 45px;
}

.title-main {
    font-size: 36px;
    font-weight: 800;
    color: var(--color-text);
    margin: 0 0 12px;
    letter-spacing: -0.5px;
}

.title-bar {
    width: 70px;
    height: 5px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
    border-radius: 3px;
    position: relative;
}

.title-bar::after {
    content: '';
    position: absolute;
    right: -15px;
    top: 50%;
    transform: translateY(-50%);
    width: 10px;
    height: 10px;
    background: var(--color-secondary);
    border-radius: 50%;
}

.link-view-all {
    color: var(--color-primary);
    font-weight: 600;
    font-size: 15px;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 24px;
    border: 2px solid var(--color-primary);
    border-radius: var(--radius-sm);
    transition: var(--transition);
    cursor: pointer;
}

.link-view-all:hover {
    background: var(--color-primary);
    color: #fff;
    transform: translateX(5px);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

/* ==================== CATEGORY SECTION ==================== */
.category-section {
    padding: 70px 0;
    background: var(--color-bg-white);
}

.cat-box {
    background: #fff;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    cursor: pointer;
    border: 1px solid var(--color-border);
}

.cat-box:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary-light);
}

.cat-img-wrap {
    position: relative;
    width: 100%;
    height: 260px;
    overflow: hidden;
    background: var(--color-bg-alt);
}

.cat-img-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.cat-box:hover .cat-img-wrap img {
    transform: scale(1.15) rotate(2deg);
}

.cat-hover-layer {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.9) 0%, rgba(16, 185, 129, 0.9) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

.cat-box:hover .cat-hover-layer {
    opacity: 1;
}

.shop-link {
    background: #fff;
    color: var(--color-primary);
    padding: 12px 32px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 1px;
    transform: translateY(20px);
    transition: var(--transition);
}

.cat-box:hover .shop-link {
    transform: translateY(0);
}

.cat-name {
    font-size: 17px;
    font-weight: 700;
    color: var(--color-text);
    margin: 0;
    padding: 20px;
    text-align: center;
}

.owl-nav button {
    width: 45px !important;
    height: 45px !important;
    background: #fff !important;
    border-radius: 50% !important;
    box-shadow: var(--shadow-md) !important;
    color: var(--color-primary) !important;
    font-size: 22px !important;
    transition: var(--transition) !important;
    opacity: 0 !important;
}

.owl-carousel:hover .owl-nav button {
    opacity: 1 !important;
}

.owl-nav button:hover {
    background: var(--color-primary) !important;
    color: #fff !important;
    transform: scale(1.1) !important;
}

/* ==================== PRODUCT SECTION ==================== */
.product-section {
    padding: 70px 0;
    background: var(--color-bg);
}

.product-section.sec-alt {
    background: var(--color-bg-white);
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
    gap: 28px;
}

.product-col {
    display: flex;
}

.prod-card {
    background: #fff;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    position: relative;
    display: flex;
    flex-direction: column;
    width: 100%;
    border: 1px solid var(--color-border);
}

.prod-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary-light);
}

.prod-img-box {
    position: relative;
    width: 100%;
    height: 280px;
    overflow: hidden;
    cursor: pointer;
    background: var(--color-bg-alt);
}

.prod-img-box img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.prod-card:hover .prod-img-box img {
    transform: scale(1.12);
}

.quick-actions {
    position: absolute;
    top: 12px;
    right: 12px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    opacity: 0;
    transform: translateX(20px);
    transition: var(--transition);
}

.prod-card:hover .quick-actions {
    opacity: 1;
    transform: translateX(0);
}

.qa-btn {
    width: 42px;
    height: 42px;
    background: #fff;
    border: none;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    color: var(--color-text);
}

.qa-btn:hover {
    background: var(--color-primary);
    color: #fff;
    transform: scale(1.15);
}

.qa-btn i {
    font-size: 16px;
}

.tag-trending,
.tag-new {
    position: absolute;
    top: 12px;
    left: 12px;
    padding: 7px 15px;
    border-radius: 50px;
    font-size: 11px;
    font-weight: 700;
    color: #fff;
    z-index: 1;
    display: flex;
    align-items: center;
    gap: 5px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    animation: pulse 2s ease-in-out infinite;
}

.tag-trending {
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
}

.tag-new {
    background: linear-gradient(135deg, var(--color-secondary) 0%, #059669 100%);
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.prod-info {
    padding: 20px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.prod-title {
    font-size: 15px;
    font-weight: 600;
    color: var(--color-text);
    margin: 8px 0;
    cursor: pointer;
    transition: var(--transition);
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.prod-title:hover {
    color: var(--color-primary);
}

.price-box {
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 10px 0 16px;
}

.price-now {
    font-size: 24px;
    font-weight: 800;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.price-old {
    font-size: 15px;
    color: var(--color-text-light);
    text-decoration: line-through;
}

.btn-add-cart {
    width: 100%;
    padding: 13px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: #fff;
    border: none;
    border-radius: var(--radius-sm);
    font-weight: 700;
    font-size: 14px;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-top: auto;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn-add-cart:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(99, 102, 241, 0.4);
}

.btn-add-cart:active {
    transform: translateY(-1px);
}

.toast-added {
    display: none;
    background: linear-gradient(135deg, var(--color-secondary) 0%, #059669 100%);
    color: #fff;
    padding: 10px;
    border-radius: var(--radius-sm);
    text-align: center;
    font-weight: 700;
    font-size: 13px;
    margin-top: 10px;
    animation: toastSlide 0.4s ease;
}

@keyframes toastSlide {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ==================== VENDOR SECTION ==================== */
.vendor-section {
    padding: 70px 0;
    background: var(--color-bg);
}

.vendor-slider {
    margin: 0 -15px;
}

.vendor-box {
    padding: 25px;
    background: var(--color-bg-white);
    border-radius: var(--radius-md);
    margin: 0 15px;
    transition: var(--transition);
    height: 140px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--color-border);
}

.vendor-box:hover {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

.vendor-logo {
    max-width: 100%;
    max-height: 90px;
    object-fit: contain;
    transition: var(--transition);
    filter: grayscale(1) opacity(0.6);
}

.vendor-box:hover .vendor-logo {
    filter: grayscale(0) opacity(1) brightness(0) invert(1);
    transform: scale(1.1);
}

.slick-nav {
    width: 45px;
    height: 45px;
    background: #fff !important;
    border: 2px solid var(--color-border);
    border-radius: 50%;
    z-index: 1;
    transition: var(--transition);
    cursor: pointer;
}

.slick-nav:hover {
    background: var(--color-primary) !important;
    border-color: var(--color-primary);
}

.slick-nav i {
    color: var(--color-text);
    font-size: 20px;
}

.slick-nav:hover i {
    color: #fff;
}

.slick-prev { left: -20px; }
.slick-next { right: -20px; }

/* ==================== RESPONSIVE ==================== */
@media (max-width: 1200px) {
    .product-grid { grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 24px; }
}

@media (max-width: 992px) {
    .banner-wrapper { height: 450px; }
    .banner-title { font-size: 42px; }
    .title-main { font-size: 30px; }
    .product-grid { grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 20px; }
    .feature-item:not(:last-child)::after { display: none; }
    .feature-item { border-bottom: 1px solid rgba(255,255,255,0.15); padding: 20px 25px; }
    .feature-item:last-child { border-bottom: none; }
}

@media (max-width: 768px) {
    .banner-wrapper { height: 380px; }
    .banner-title { font-size: 32px; }
    .banner-subtitle { font-size: 16px; margin-bottom: 20px; }
    .btn-banner { padding: 12px 30px; font-size: 14px; }
    .section-head { flex-direction: column; align-items: flex-start; gap: 20px; }
    .title-main { font-size: 26px; }
    .product-section, .category-section, .vendor-section { padding: 50px 0; }
    .product-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
    .prod-img-box { height: 200px; }
    .features-wrapper { grid-template-columns: 1fr; }
    .carousel-control-custom { width: 40px; height: 40px; }
    .carousel-control-custom.left { left: 15px; }
    .carousel-control-custom.right { right: 15px; }
}

@media (max-width: 576px) {
    .banner-wrapper { height: 300px; }
    .banner-title { font-size: 24px; }
    .banner-subtitle { font-size: 14px; }
    .banner-label { font-size: 11px; padding: 6px 16px; }
    .btn-banner { padding: 10px 24px; font-size: 13px; }
    .title-main { font-size: 22px; }
    .prod-info { padding: 15px; }
    .prod-title { font-size: 14px; }
    .price-now { font-size: 20px; }
    .btn-add-cart { padding: 11px; font-size: 12px; }
    .link-view-all { font-size: 13px; padding: 8px 16px; }
    .cat-img-wrap { height: 180px; }
}