/* === Preflight === */
        *, ::before, ::after { box-sizing: border-box; border-width: 0; border-style: solid; border-color: #e5e7eb; }
        html { line-height: 1.5; -webkit-text-size-adjust: 100%; -moz-tab-size: 4; tab-size: 4; font-family: 'Poppins', sans-serif; }
        body { margin: 0; line-height: inherit; }
        hr { height: 0; color: inherit; border-top-width: 1px; }
        abbr:where([title]) { text-decoration: underline dotted; }
        h1, h2, h3, h4, h5, h6 { font-size: inherit; font-weight: inherit; }
        a { color: inherit; text-decoration: inherit; }
        b, strong { font-weight: bolder; }
        small { font-size: 80%; }
        sub, sup { font-size: 75%; line-height: 0; position: relative; vertical-align: baseline; }
        sub { bottom: -0.25em; }
        sup { top: -0.5em; }
        table { text-indent: 0; border-color: inherit; border-collapse: collapse; }
        button, input, optgroup, select, textarea { font-family: inherit; font-size: 100%; line-height: inherit; color: inherit; margin: 0; padding: 0; }
        button, [type='button'], [type='reset'], [type='submit'] { -webkit-appearance: button; background-color: transparent; background-image: none; }
        :-moz-focusring { outline: auto; }
        progress { vertical-align: baseline; }
        summary { display: list-item; }
        blockquote, dl, dd, h1, h2, h3, h4, h5, h6, hr, figure, p, pre { margin: 0; }
        fieldset { margin: 0; padding: 0; }
        legend { padding: 0; }
        ol, ul, menu { list-style: none; margin: 0; padding: 0; }
        textarea { resize: vertical; }
        input::placeholder, textarea::placeholder { opacity: 1; color: #9ca3af; }
        button, [role="button"] { cursor: pointer; }
        :disabled { cursor: default; }
        img, svg, video, canvas, audio, iframe, embed, object { display: block; vertical-align: middle; }
        img, video { max-width: 100%; height: auto; }
        [hidden] { display: none; }
        
        /* === Fonts === */
        @font-face { font-family: 'Poppins'; font-style: normal; font-weight: 300; font-display: swap; src: local('Poppins Light'), url(https://fonts.gstatic.com/s/poppins/v20/pxiByp8kv8JHgFVrLDz8Z1xlFd2JQEk.woff2) format('woff2'); }
        @font-face { font-family: 'Poppins'; font-style: normal; font-weight: 400; font-display: swap; src: local('Poppins Regular'), url(https://fonts.gstatic.com/s/poppins/v20/pxiEyp8kv8JHgFVrJJfecnFHGPc.woff2) format('woff2'); }
        @font-face { font-family: 'Poppins'; font-style: normal; font-weight: 500; font-display: swap; src: local('Poppins Medium'), url(https://fonts.gstatic.com/s/poppins/v20/pxiByp8kv8JHgFVrLGT9Z1xlFd2JQEk.woff2) format('woff2'); }
        @font-face { font-family: 'Poppins'; font-style: normal; font-weight: 600; font-display: swap; src: local('Poppins SemiBold'), url(https://fonts.gstatic.com/s/poppins/v20/pxiByp8kv8JHgFVrLEj6Z1xlFd2JQEk.woff2) format('woff2'); }
        @font-face { font-family: 'Poppins'; font-style: normal; font-weight: 700; font-display: swap; src: local('Poppins Bold'), url(https://fonts.gstatic.com/s/poppins/v20/pxiByp8kv8JHgFVrLCz7Z1xlFd2JQEk.woff2) format('woff2'); }

        /* === Container & Layout === */
        .container { width: 100%; max-width: 1280px; margin-left: auto; margin-right: auto; }
        .mx-auto { margin-left: auto; margin-right: auto; }
        .px-2 { padding-left: 0.5rem; padding-right: 0.5rem; }
        .px-3 { padding-left: 0.75rem; padding-right: 0.75rem; }
        .px-4 { padding-left: 1rem; padding-right: 1rem; }
        .px-6 { padding-left: 1.5rem; padding-right: 1.5rem; }
        .px-8 { padding-left: 2rem; padding-right: 2rem; }
        .px-10 { padding-left: 2.5rem; padding-right: 2.5rem; }
        .px-12 { padding-left: 3rem; padding-right: 3rem; }
        .py-1 { padding-top: 0.25rem; padding-bottom: 0.25rem; }
        .py-2 { padding-top: 0.5rem; padding-bottom: 0.5rem; }
        .py-3 { padding-top: 0.75rem; padding-bottom: 0.75rem; }
        .py-4 { padding-top: 1rem; padding-bottom: 1rem; }
        .py-6 { padding-top: 1.5rem; padding-bottom: 1.5rem; }
        .py-8 { padding-top: 2rem; padding-bottom: 2rem; }
        .py-12 { padding-top: 3rem; padding-bottom: 3rem; }
        .py-16 { padding-top: 4rem; padding-bottom: 4rem; }
        .pt-8 { padding-top: 2rem; }
        .pt-12 { padding-top: 3rem; }
        .pb-1 { padding-bottom: 0.25rem; }
        .pb-8 { padding-bottom: 2rem; }
        .p-2 { padding: 0.5rem; }
        .p-3 { padding: 0.75rem; }
        .p-4 { padding: 1rem; }
        .p-6 { padding: 1.5rem; }
        .p-8 { padding: 2rem; }
        .m-0 { margin: 0; }
        .mb-2 { margin-bottom: 0.5rem; }
        .mb-3 { margin-bottom: 0.75rem; }
        .mb-4 { margin-bottom: 1rem; }
        .mb-6 { margin-bottom: 1.5rem; }
        .mb-8 { margin-bottom: 2rem; }
        .mb-10 { margin-bottom: 2.5rem; }
        .mb-12 { margin-bottom: 3rem; }
        .mt-1 { margin-top: 0.25rem; }
        .mt-4 { margin-top: 1rem; }
        .mt-6 { margin-top: 1.5rem; }
        .mt-8 { margin-top: 2rem; }
        .mt-10 { margin-top: 2.5rem; }
        .mt-12 { margin-top: 3rem; }
        .mr-2 { margin-right: 0.5rem; }
        .mr-3 { margin-right: 0.75rem; }
        .mr-4 { margin-right: 1rem; }
        .ml-2 { margin-left: 0.5rem; }
        .ml-4 { margin-left: 1rem; }
        .mx-2 { margin-left: 0.5rem; margin-right: 0.5rem; }
        .my-8 { margin-top: 2rem; margin-bottom: 2rem; }
        .space-x-2 > :not([hidden]) ~ :not([hidden]) { margin-left: 0.5rem; }
        .space-x-4 > :not([hidden]) ~ :not([hidden]) { margin-left: 1rem; }
        .space-x-8 > :not([hidden]) ~ :not([hidden]) { margin-left: 2rem; }
        .space-y-3 > :not([hidden]) ~ :not([hidden]) { margin-top: 0.75rem; }
        .space-y-4 > :not([hidden]) ~ :not([hidden]) { margin-top: 1rem; }
        .space-y-6 > :not([hidden]) ~ :not([hidden]) { margin-top: 1.5rem; }
        .gap-1 { gap: 0.25rem; }
        .gap-2 { gap: 0.5rem; }
        .gap-3 { gap: 0.75rem; }
        .gap-4 { gap: 1rem; }
        .gap-6 { gap: 1.5rem; }
        .gap-8 { gap: 2rem; }
        .gap-10 { gap: 2.5rem; }
        
        /* === Flex & Grid === */
        .flex { display: flex; }
        .inline-flex { display: inline-flex; }
        .grid { display: grid; }
        .hidden { display: none; }
        .block { display: block; }
        .inline-block { display: inline-block; }
        .flex-col { flex-direction: column; }
        .flex-row { flex-direction: row; }
        .flex-wrap { flex-wrap: wrap; }
        .items-center { align-items: center; }
        .items-start { align-items: flex-start; }
        .justify-center { justify-content: center; }
        .justify-between { justify-content: space-between; }
        .grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)); }
        .grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
        .grid-cols-5 { grid-template-columns: repeat(5, minmax(0, 1fr)); }
        
        /* === Positioning === */
        .relative { position: relative; }
        .absolute { position: absolute; }
        .fixed { position: fixed; }
        .sticky { position: sticky; }
        .top-0 { top: 0; }
        .right-6 { right: 1.5rem; }
        .bottom-0 { bottom: 0; }
        .bottom-20 { bottom: 5rem; }
        .z-40 { z-index: 40; }
        .z-50 { z-index: 50; }
        
        /* === Typography === */
        .text-white { color: #ffffff; }
        .text-gray-100 { color: #f3f4f6; }
        .text-gray-200 { color: #e5e7eb; }
        .text-gray-400 { color: #9ca3af; }
        .text-gray-500 { color: #6b7280; }
        .text-gray-600 { color: #4b5563; }
        .text-gray-700 { color: #374151; }
        .text-gray-800 { color: #1f2937; }
        .text-gray-900 { color: #111827; }
        .text-red-100 { color: #fee2e2; }
        .text-red-400 { color: #f87171; }
        .text-red-500 { color: #ef4444; }
        .text-red-600 { color: #dc2626; }
        .text-blue-600 { color: #2563eb; }
        .text-green-600 { color: #16a34a; }
        .text-yellow-400 { color: #facc15; }
        .text-xs { font-size: 0.75rem; line-height: 1rem; }
        .text-sm { font-size: 0.875rem; line-height: 1.25rem; }
        .text-base { font-size: 1rem; line-height: 1.5rem; }
        .text-lg { font-size: 1.125rem; line-height: 1.75rem; }
        .text-xl { font-size: 1.25rem; line-height: 1.75rem; }
        .text-2xl { font-size: 1.5rem; line-height: 2rem; }
        .text-3xl { font-size: 1.875rem; line-height: 2.25rem; }
        .text-4xl { font-size: 2.25rem; line-height: 2.5rem; }
        .font-light { font-weight: 300; }
        .font-normal { font-weight: 400; }
        .font-medium { font-weight: 500; }
        .font-semibold { font-weight: 600; }
        .font-bold { font-weight: 700; }
        .leading-tight { line-height: 1.25; }
        .text-center { text-align: center; }
        .text-left { text-align: left; }
        .italic { font-style: italic; }
        .tracking-wider { letter-spacing: 0.05em; }
        
        /* === Width, Height === */
        .w-10 { width: 2.5rem; }
        .h-10 { height: 2.5rem; }
        .w-16 { width: 4rem; }
        .h-16 { height: 4rem; }
        .w-24 { width: 6rem; }
        .h-1 { height: 0.25rem; }
        .w-auto { width: auto; }
        .w-full { width: 100%; }
        .h-64 { height: 16rem; }
        .max-w-3xl { max-width: 48rem; }
        .max-w-4xl { max-width: 56rem; }
        .max-w-5xl { max-width: 64rem; }
        .max-w-7xl { max-width: 80rem; }
        .max-w-none { max-width: none; }
        
        /* === Backgrounds === */
        .bg-transparent { background-color: transparent; }
        .bg-white { background-color: #ffffff; }
        .bg-gray-50 { background-color: #f9fafb; }
        .bg-gray-100 { background-color: #f3f4f6; }
        .bg-gray-200 { background-color: #e5e7eb; }
        .bg-gray-800 { background-color: #1f2937; }
        .bg-gray-900 { background-color: #111827; }
        .bg-red-50 { background-color: #fef2f2; }
        .bg-red-100 { background-color: #fee2e2; }
        .bg-red-600 { background-color: #dc2626; }
        .bg-red-700 { background-color: #b91c1c; }
        .bg-red-800 { background-color: #991b1b; }
        .bg-green-500 { background-color: #22c55e; }
        .bg-green-600 { background-color: #16a34a; }
        .bg-blue-100 { background-color: #dbeafe; }
        .bg-green-100 { background-color: #dcfce7; }
        .bg-blue-50 { background-color: #eff6ff; }
        .bg-green-50 { background-color: #f0fdf4; }
        
        /* === Border === */
        .border { border-width: 1px; }
        .border-0 { border-width: 0; }
        .border-2 { border-width: 2px; }
        .border-t { border-top-width: 1px; }
        .border-b { border-bottom-width: 1px; }
        .border-b-2 { border-bottom-width: 2px; }
        .border-l-4 { border-left-width: 4px; }
        .border-white { border-color: #ffffff; }
        .border-gray-100 { border-color: #f3f4f6; }
        .border-gray-200 { border-color: #e5e7eb; }
        .border-gray-300 { border-color: #d1d5db; }
        .border-gray-800 { border-color: #1f2937; }
        .border-red-600 { border-color: #dc2626; }
        .rounded-lg { border-radius: 0.5rem; }
        .rounded-xl { border-radius: 0.75rem; }
        .rounded-r-lg { border-top-right-radius: 0.5rem; border-bottom-right-radius: 0.5rem; }
        .rounded-t-xl { border-top-left-radius: 0.75rem; border-top-right-radius: 0.75rem; }
        .rounded-full { border-radius: 9999px; }
        
        /* === Shadow === */
        .shadow-sm { box-shadow: 0 1px 2px 0 rgb(0 0 0 / 0.05); }
        .shadow-md { box-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1); }
        .shadow-lg { box-shadow: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1); }
        .shadow-xl { box-shadow: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1); }
        .shadow-2xl { box-shadow: 0 25px 50px -12px rgb(0 0 0 / 0.25); }
        
        /* === Transition & Hover === */
        .transition { transition-property: color, background-color, border-color, text-decoration-color, fill, stroke, opacity, box-shadow, transform, filter, backdrop-filter; transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1); transition-duration: 150ms; }
        .duration-300 { transition-duration: 300ms; }
        .hover\:bg-white:hover { background-color: #ffffff; }
        .hover\:bg-gray-100:hover { background-color: #f3f4f6; }
        .hover\:bg-red-600:hover { background-color: #dc2626; }
        .hover\:bg-red-700:hover { background-color: #b91c1c; }
        .hover\:bg-green-600:hover { background-color: #16a34a; }
        .hover\:text-white:hover { color: #ffffff; }
        .hover\:text-red-600:hover { color: #dc2626; }
        .hover\:text-red-700:hover { color: #b91c1c; }
        .hover\:text-gray-900:hover { color: #111827; }
        .hover\:underline:hover { text-decoration: underline; }
        .hover\:shadow-xl:hover { box-shadow: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1); }
        .hover\:scale-105:hover { transform: scale(1.05); }
        
        /* === Overflow & object === */
        .overflow-hidden { overflow: hidden; }
        .overflow-x-auto { overflow-x: auto; }
        .object-cover { object-fit: cover; }
        
        /* === Transform === */
        .transform { transform: translate(0,0) rotate(0) skewX(0) skewY(0) scaleX(1) scaleY(1); }
        
        /* === Custom components === */
        .btn-primary {
            background: #e60012;
            transition: all 0.3s ease;
        }
        .btn-primary:hover {
            background: #c4000f;
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(230, 0, 18, 0.3);
        }
        .product-card {
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            border-radius: 12px;
            overflow: hidden;
        }
        .product-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
        }
        .breadcrumb-item { color: #666; transition: color 0.3s ease; }
        .breadcrumb-item:hover { color: #e60012; }
        .floating-whatsapp { animation: pulse 2s infinite; }
        @keyframes pulse {
            0% { transform: scale(1); }
            50% { transform: scale(1.05); }
            100% { transform: scale(1); }
        }
        .cta-gradient { background: linear-gradient(135deg, #e60012 0%, #a5000c 100%); }
        .category-tab { transition: all 0.3s ease; }
        .category-tab:hover { background: #f8f8f8; }
        .category-tab.active { background: #e60012; color: white; }
        .fade-in { animation: fadeIn 0.5s ease-out forwards; }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .bottom-nav {
            background: #e60012;
            color: white;
            padding: 12px 0;
            box-shadow: 0 -4px 10px rgba(0,0,0,0.1);
            position: sticky;
            bottom: 0;
            z-index: 40;
        }
        .bottom-nav .nav-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            color: white;
            transition: all 0.3s ease;
            font-size: 0.75rem;
            font-weight: 500;
        }
        .bottom-nav .nav-item i {
            font-size: 1.5rem;
            margin-bottom: 4px;
        }
        .bottom-nav .nav-item:hover {
            color: #ffd0d0;
            transform: translateY(-3px);
        }
        
        /* Responsive */
        @media (min-width: 640px) {
            .sm\:flex-row { flex-direction: row; }
        }
        @media (min-width: 768px) {
            .md\:flex { display: flex; }
            .md\:hidden { display: none; }
            .md\:block { display: block; }
            .md\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
            .md\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
            .md\:grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
            .md\:text-4xl { font-size: 2.25rem; line-height: 2.5rem; }
            .md\:text-5xl { font-size: 3rem; line-height: 1; }
        }