:root {
    --ac-primary: #0d6efd;
    --ac-secondary: #6c757d;
    --ac-accent: #00b4d8;
    --ac-accent-hover: #0096c7;
    --ac-bg: #f8f9fa;
    --ac-bg-alt: #e9ecef;
    --ac-text: #212529;
    --ac-text-muted: #6c757d;
    --ac-nav-bg: linear-gradient(135deg, #023e8a, #0077b6);
    --ac-footer-bg: #023e8a;
    --ac-card-bg: #ffffff;
    --ac-card-border: #dee2e6;
    --ac-hero-overlay: linear-gradient(135deg, rgba(2,62,138,0.85), rgba(0,119,182,0.7));
    --ac-success: #198754;
    --ac-danger: #dc3545;
    --ac-warning: #ffc107;
    --ac-info: #0dcaf0;
    --ac-font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    --ac-border-radius: 0.5rem;
    --ac-shadow: 0 0.125rem 0.25rem rgba(0,0,0,0.075);
    --ac-shadow-lg: 0 0.5rem 1rem rgba(0,0,0,0.1);
}

* { box-sizing: border-box; }

body {
    font-family: var(--ac-font-family);
    background: var(--ac-bg);
    color: var(--ac-text);
    padding-top: 76px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.ac-navbar {
    background: var(--ac-nav-bg);
    box-shadow: var(--ac-shadow-lg);
}

.ac-navbar .navbar-brand,
.ac-navbar .nav-link {
    color: var(--ac-nav-text-color);
}

.ac-navbar .navbar-brand:hover,
.ac-navbar .nav-link:hover {
    color: var(--ac-nav-text-color);
    opacity: 0.85;
}

.ac-navbar .navbar-toggler-icon {
    filter: brightness(0);
    opacity: 0.65;
}

.ac-navbar.ac-nav-dark .navbar-toggler-icon {
    filter: brightness(0) invert(1);
    opacity: 1;
}

.ac-navbar .navbar-nav .nav-link.active,
.ac-navbar .navbar-nav .nav-link.show {
    color: var(--ac-nav-active-color);
}

.ac-navbar .dropdown-menu .dropdown-item {
    color: #212529;
}

.ac-navbar .dropdown-menu .dropdown-item:hover {
    color: #1e2125;
    background-color: #e9ecef;
}

.ac-logo {
    font-size: 1.5rem;
    letter-spacing: -0.5px;
}

.ac-logo i { color: var(--ac-accent); }

.ac-main { flex: 1; }

.ac-hero {
    position: relative;
    overflow: hidden;
    min-height: 50vh;
    margin-top: -76px;
}

.ac-hero .carousel,
.ac-hero .carousel-inner,
.ac-hero .carousel-item {
    height: 70vh;
    min-height: 400px;
}

.ac-hero .carousel-item {
    background-size: cover;
    background-position: center;
}

.ac-hero-content h1,
.ac-hero-content p {
    text-shadow: 0 2px 8px rgba(0,0,0,0.5);
}

.ac-hero::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 80px;
    background: linear-gradient(transparent, var(--ac-bg));
    z-index: 2;
    pointer-events: none;
}

.ac-hero-content {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    position: relative;
    z-index: 1;
    padding-top: calc(76px + 3rem);
}

.ac-hero .carousel-indicators { z-index: 3; }
.ac-hero .carousel-control-prev,
.ac-hero .carousel-control-next { z-index: 3; }

.search-suggestions.dropdown-menu {
    background: #fff;
    border: 1px solid var(--ac-card-border);
    min-width: 360px;
    max-height: 360px;
    overflow-y: auto;
}

.btn-accent {
    background: var(--ac-accent);
    border-color: var(--ac-accent);
    color: #fff;
    border-radius: 50px;
    padding: 0.75rem 2rem;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-accent:hover {
    background: var(--ac-accent-hover);
    border-color: var(--ac-accent-hover);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0,180,216,0.4);
}

.ac-category-card {
    transition: all 0.3s ease;
    border-radius: var(--ac-border-radius);
    background: var(--ac-card-bg);
}

.ac-category-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--ac-shadow-lg);
}

.ac-category-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--ac-primary), var(--ac-accent));
    border-radius: 50%;
    color: #fff;
}

.ac-product-card {
    border-radius: var(--ac-border-radius);
    overflow: hidden;
    transition: all 0.3s ease;
    background: var(--ac-card-bg);
}

.ac-product-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--ac-shadow-lg);
}

.ac-product-img {
    height: 200px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.ac-product-card:hover .ac-product-img {
    transform: scale(1.05);
}

.ac-product-card:hover .product-overlay {
    opacity: 1 !important;
}

.ac-cta {
    background: var(--ac-nav-bg);
    color: #fff;
}

.ac-footer {
    background: var(--ac-footer-bg);
    color: var(--ac-footer-text);
}

.ac-footer a {
    color: var(--ac-footer-text);
    opacity: 0.8;
}
.ac-footer a:hover {
    color: var(--ac-footer-text);
    opacity: 1;
}
.ac-footer-bottom {
    border-top: 1px solid var(--ac-footer-text);
    border-top-color: color-mix(in srgb, var(--ac-footer-text) 20%, transparent);
}

.ac-description { line-height: 1.8; }

.ac-description ul { padding-left: 1.5rem; }

.sidebar {
    z-index: 1000;
    overflow-y: auto;
}

.sidebar .nav-link {
    border-radius: 0.375rem;
    padding: 0.5rem 1rem;
    transition: all 0.2s;
}

.sidebar .nav-link:hover {
    background: rgba(255,255,255,0.1);
}

@media (max-width: 767.98px) {
    .ac-hero { min-height: 50vh; }
    .ac-hero h1 { font-size: 1.75rem; }
    .ac-product-img { height: 150px; }
}

.dropdown-submenu {
    position: relative;
}

.dropdown-submenu > .dropdown-menu {
    top: 0;
    left: 100%;
    margin-top: -1px;
    margin-left: 0;
}

.dropdown-submenu:hover > .dropdown-menu {
    display: block;
}

.dropdown-submenu > a::after {
    transform: rotate(-90deg);
    position: absolute;
    right: 10px;
    top: 50%;
    margin-top: -2px;
}

@media (max-width: 991.98px) {
    .dropdown-submenu > .dropdown-menu {
        position: static;
        margin-left: 1rem;
        border: none;
        box-shadow: none;
    }
    .dropdown-submenu > a::after { transform: none; }
}