:root {
            --primary-color: #0066FF;
            --primary-dark: #0052CC;
            --primary-light: #4D94FF;
            --text-primary: #1E293B;
            --text-secondary: #475569;
            --secondary-color: #00D4AA;
            --accent-color: #FF6B35;
            --success-color: #10B981;
            --light-bg: #FFFFFF;
            --light-bg-secondary: #F8FAFC;
            --light-bg-tertiary: #F1F5F9;
            --card-bg: #FFFFFF;
            --text-primary: #1E293B;
            --text-secondary: #475569;
            --text-muted: #94A3B8;
            --border-color: #E2E8F0;
            --gradient-primary: linear-gradient(135deg, #0066FF 0%, #00D4AA 100%);
            --shadow-soft: 0 4px 20px rgba(0, 0, 0, 0.08);
            --shadow-medium: 0 8px 30px rgba(0, 0, 0, 0.12);
            --transition-smooth: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            --font-primary: 'Inter', sans-serif;
            --font-display: 'Space Grotesk', sans-serif;
            --transition-smooth: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            --gradient-primary: linear-gradient(135deg, #0066FF 0%, #00D4AA 100%);
        }

        /* ===== Reset & Base Styles ===== */
        *, *::before, *::after {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: var(--font-primary);
            background-color: var(--light-bg-secondary);
            color: var(--text-primary);
            line-height: 1.6;
            overflow-x: hidden;
            margin-top: 140px;
        }

        /* ===== Navigation ===== */
        .navbar {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            padding: 1.25rem 5%; /* slightly larger to fit wider logo */
            display: flex;
            justify-content: space-between;
            align-items: center;
            background: rgba(255, 255, 255, 0.7);
            backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-color);
            transition: var(--transition-smooth);
            min-height: 120px; /* ensures the navbar has room for the logo */
        }

        .navbar.scrolled {
            padding: 1rem 5%;
            background: rgba(255, 255, 255, 0.98);
            box-shadow: var(--shadow-soft);
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            text-decoration: none;
        }

        .logo-icon { display: none; }

        .logo-img {
            width: 230px;
            height: 100px;
            border-radius: 14px;
            display: inline-block;
            object-fit: cover;
            padding: 8px 10px; /* keep rectangular padding */
        }

        /* hide textual logo in navbar */
        .logo-text { display: none; }

        .logo-text {
            font-family: var(--font-display);
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--text-primary);
        }

        .logo-text span {
            color: var(--primary-color);
            font-weight: 600;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 2.5rem;
            list-style: none;
        }

        .nav-links a {
            text-decoration: none;
            color: var(--text-secondary);
            font-weight: 500;
            font-size: 0.95rem;
            transition: var(--transition-smooth);
            position: relative;
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--gradient-primary);
            transition: var(--transition-smooth);
        }

        .nav-links a:hover {
            color: var(--text-primary);
        }

        .nav-links a:hover::after {
            width: 100%;
        }

        .nav-cta {
            background: var(--gradient-primary);
            color: white !important;
            padding: 0.75rem 1.75rem;
            border-radius: 50px;
            font-weight: 600;
            box-shadow: 0 4px 20px rgba(0, 102, 255, 0.4);
            transition: var(--transition-smooth);
        }

        .nav-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 30px rgba(0, 102, 255, 0.5);
        }

        .nav-cta::after {
            display: none !important;
        }

        .logout-btn {
            padding: 0.75rem 1.5rem;
            background: linear-gradient(135deg, #EF4444, #DC2626);
            color: white;
            border: none;
            border-radius: 50px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.2s ease;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .logout-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(239, 68, 68, 0.3);
        }

        .mobile-menu-btn {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            padding: 5px;
        }

        .mobile-menu-btn span {
            width: 25px;
            height: 2px;
            background: var(--text-primary);
            transition: var(--transition-smooth);
        }

        .add-to-cart-btn {
            position: relative;
            display: flex;
            align-items: center;
            gap: 0.4rem;
            padding: 0.5rem 1rem;
            border-radius: 10px;
            font-size: 0.875rem;
            font-weight: 500;
            color: var(--text-muted);
            cursor: pointer;
            transition: var(--transition-smooth);
            background: none;
            border: none;
            font-family: 'DM Sans', sans-serif;
        }

        .add-to-cart-btn:hover {
            background: var(--accent-lt);
            color: var(--accent);
        }

        .cart-count {
            background: linear-gradient(135deg, var(--accent-color), var(--primary-color));
            color: white;
            font-size: 0.65rem;
            font-weight: 700;
            padding: 0.15rem 0.45rem;
            border-radius: 100px;
            min-width: 18px;
            text-align: center;
        }

        /* ===== Hero Section ===== */
        .hero {
            min-height: 60vh;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 140px 5% 80px;
            background-image: url(/project.jpeg);
            background-position: center;
            background-size: cover;
            background-repeat: no-repeat;
            position: relative;
        }

        .hero-content {
            text-align: center;
            max-width: 800px;
            text-shadow: 2px 2px 5px black;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: rgba(0, 102, 255, 0.08);
            border: 1px solid rgba(0, 102, 255, 0.2);
            padding: 0.5rem 1rem;
            border-radius: 50px;
            font-size: 0.875rem;
            color: var(--primary-color);
            margin-bottom: 1.5rem;
            font-weight: 600;
        }

        .hero-title {
            font-family: var(--font-display);
            font-size: clamp(2.5rem, 5vw, 4rem);
            font-weight: 800;
            line-height: 1.1;
            margin-bottom: 1rem;
        }

        .hero-title .highlight {
            background: var(--gradient-primary);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-description {
            font-size: 1.125rem;
            color: var(--text-secondary);
            margin-bottom: 2rem;
        }

        /* ===== Filter Section ===== */
        .filter-section {
            background: white;
            padding: 2rem 5%;
            border-bottom: 1px solid var(--border-color);
            position: sticky;
            top: 90px;
            z-index: 100;
        }

        .filter-container {
            max-width: 1400px;
            margin: 0 auto;
            display: flex;
            gap: 1rem;
            align-items: center;
            flex-wrap: wrap;
        }

        .filter-btn {
            padding: 0.75rem 1.5rem;
            border: 1.5px solid var(--border-color);
            background: white;
            border-radius: 50px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition-smooth);
            color: var(--text-secondary);
        }

        .filter-btn:hover,
        .filter-btn.active {
            background: var(--gradient-primary);
            color: white;
            border-color: transparent;
            transform: translateY(-2px);
        }

        /* ===== Products Section ===== */
        .products-section {
            padding: 80px 5%;
        }

        .products-grid {
            max-width: 1400px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 2rem;
        }

        .product-card {
            background: white;
            border: 1px solid var(--border-color);
            border-radius: 20px;
            overflow: hidden;
            transition: var(--transition-smooth);
            display: flex;
            flex-direction: column;
        }

        .product-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-medium);
            border-color: var(--primary-color);
        }

        .product-image {
            width: 100%;
            height: 280px;
            background: var(--light-bg-tertiary);
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            overflow: hidden;
        }

        .product-image .slide {
            position: absolute;
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0;
            transition: opacity 0.6s ease-in-out;
        }

        .product-image .slide.active {
            opacity: 1;
        }

        .product-image i {
            font-size: 5rem;
            color: var(--text-muted);
        }

        .product-badge {
            position: absolute;
            top: 1rem;
            right: 1rem;
            background: var(--success-color);
            color: white;
            padding: 0.375rem 0.875rem;
            border-radius: 50px;
            font-size: 0.8125rem;
            font-weight: 700;
        }

        .product-badge.sale {
            background: var(--accent-color);
        }

        .product-info {
            padding: 1.5rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .product-category {
            font-size: 0.875rem;
            color: var(--primary-color);
            font-weight: 600;
            margin-bottom: 0.5rem;
        }

        .product-name {
            font-family: var(--font-display);
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 0.75rem;
            color: var(--text-primary);
        }

        .product-description {
            font-size: 0.9375rem;
            color: var(--text-secondary);
            margin-bottom: 1rem;
            line-height: 1.6;
        }

        .product-specs {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
            margin-bottom: 1rem;
        }

        .spec-badge {
            background: var(--light-bg-secondary);
            padding: 0.375rem 0.75rem;
            border-radius: 50px;
            font-size: 0.8125rem;
            color: var(--text-secondary);
            font-weight: 500;
        }

        .product-footer {
            margin-top: auto;
            padding-top: 1rem;
            border-top: 1px solid var(--border-color);
        }

        .product-price {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            margin-bottom: 1rem;
        }

        .current-price {
            font-family: var(--font-display);
            font-size: 1.75rem;
            font-weight: 800;
            background: var(--gradient-primary);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .original-price {
            font-size: 1rem;
            color: var(--text-muted);
            text-decoration: line-through;
        }

        .add-to-cart-btn {
            width: 100%;
            padding: 0.875rem;
            background: var(--gradient-primary);
            color: white;
            border: none;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.9375rem;
            cursor: pointer;
            transition: var(--transition-smooth);
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
        }

        .add-to-cart-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 25px rgba(0, 102, 255, 0.4);
        }

        /* ===== Cart Modal ===== */
        .cart-modal {
            position: fixed;
            top: 0;
            right: -100%;
            width: 100%;
            max-width: 480px;
            height: 100vh;
            background: white;
            box-shadow: -10px 0 40px rgba(0, 0, 0, 0.2);
            z-index: 2000;
            transition: var(--transition-smooth);
            display: flex;
            flex-direction: column;
        }

        .cart-modal.active {
            right: 0;
        }

        .cart-overlay {
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.5);
            backdrop-filter: blur(4px);
            z-index: 1999;
            display: none;
        }

        .cart-overlay.active {
            display: block;
        }

        .cart-header {
            padding: 2rem;
            border-bottom: 1px solid var(--border-color);
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .cart-title {
            font-family: var(--font-display);
            font-size: 1.5rem;
            font-weight: 700;
        }

        .close-cart {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--light-bg-secondary);
            border: none;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: var(--transition-smooth);
        }

        .close-cart:hover {
            background: var(--border-color);
        }

        .cart-items {
            flex: 1;
            overflow-y: auto;
            padding: 1.5rem;
        }

        .cart-item {
            display: flex;
            gap: 1rem;
            padding: 1rem;
            background: var(--light-bg-secondary);
            border-radius: 12px;
            margin-bottom: 1rem;
        }

        .cart-item-image {
            width: 80px;
            height: 80px;
            background: white;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .cart-item-image i {
            font-size: 2rem;
            color: var(--text-muted);
        }

        .cart-item-details {
            flex: 1;
        }

        .cart-item-name {
            font-weight: 700;
            margin-bottom: 0.25rem;
        }

        .cart-item-price {
            color: var(--primary-color);
            font-weight: 600;
        }

        .cart-item-quantity {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            margin-top: 0.5rem;
        }

        .qty-btn {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            border: 1px solid var(--border-color);
            background: white;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: var(--transition-smooth);
        }

        .qty-btn:hover {
            background: var(--primary-color);
            color: white;
            border-color: var(--primary-color);
        }

        .remove-item {
            background: #EF4444;
            color: white;
            border: none;
            padding: 0.375rem 0.875rem;
            border-radius: 50px;
            font-size: 0.8125rem;
            cursor: pointer;
            margin-top: 0.5rem;
        }

        .empty-cart {
            text-align: center;
            padding: 3rem 1rem;
            color: var(--text-muted);
        }

        .empty-cart i {
            font-size: 4rem;
            margin-bottom: 1rem;
            opacity: 0.5;
        }

        .cart-footer {
            padding: 2rem;
            border-top: 1px solid var(--border-color);
        }

        .cart-total {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 1.5rem;
            font-size: 1.25rem;
        }

        .total-label {
            font-weight: 600;
        }

        .total-amount {
            font-family: var(--font-display);
            font-size: 2rem;
            font-weight: 800;
            background: var(--gradient-primary);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .checkout-btn {
            width: 100%;
            padding: 1.125rem;
            background: var(--gradient-primary);
            color: white;
            border: none;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: var(--transition-smooth);
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 0.75rem;
        }

        .checkout-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(0, 102, 255, 0.4);
        }

        /* ===== Footer ===== */
        .footer {
            background: linear-gradient(135deg, #0A0E27 0%, #1E293B 100%);
            color: #E2E8F0;
            padding: 4rem 5% 2rem;
            position: relative;
        }

        .footer-content {
            max-width: 1400px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 3rem;
            padding-bottom: 3rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .footer-brand {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }

        .footer-logo {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            text-decoration: none;
        }

        .footer-logo-icon { display: none; }

        .footer-logo-img {
            width: 120px;
            height: 72px;
            border-radius: 14px;
            display: inline-block;
            object-fit: cover;
            padding: 8px 10px;
        }

        .footer-logo-text {
            font-family: var(--font-display);
            font-size: 1.35rem;
            font-weight: 700;
            color: white;
        }

        .footer-logo-text span {
            color: var(--primary-light);
        }

        .footer-description {
            font-size: 0.9375rem;
            line-height: 1.8;
            color: #94A3B8;
        }

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

        .footer-social-link {
            width: 45px;
            height: 45px;
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #94A3B8;
            font-size: 1.125rem;
            text-decoration: none;
            transition: var(--transition-smooth);
        }

        .footer-social-link:hover {
            background: var(--gradient-primary);
            color: white;
            border-color: var(--primary-color);
            transform: translateY(-3px);
        }

        .footer-column h4 {
            font-family: var(--font-display);
            font-size: 1.125rem;
            font-weight: 700;
            margin-bottom: 1.5rem;
            color: white;
        }

        .footer-links {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
        }

        .footer-links a {
            color: #94A3B8;
            text-decoration: none;
            font-size: 0.9375rem;
            transition: var(--transition-smooth);
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }

        .footer-links a:hover {
            color: var(--primary-light);
            transform: translateX(5px);
        }

        .footer-links a i {
            font-size: 0.75rem;
            opacity: 0;
            transition: var(--transition-smooth);
        }

        .footer-links a:hover i {
            opacity: 1;
        }

        .footer-bottom {
            max-width: 1400px;
            margin: 0 auto;
            padding-top: 2rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 1rem;
        }

        .footer-copyright {
            font-size: 0.875rem;
            color: #94A3B8;
        }

        .footer-bottom-links {
            display: flex;
            gap: 2rem;
            list-style: none;
        }

        .footer-bottom-links a {
            color: #94A3B8;
            text-decoration: none;
            font-size: 0.875rem;
            transition: var(--transition-smooth);
        }

        .footer-bottom-links a:hover {
            color: var(--primary-light);
        }


        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                flex-direction: column;
                background: rgba(255, 255, 255, 0.98);
                padding: 2rem;
                gap: 1.5rem;
                border-bottom: 1px solid var(--border-color);
                box-shadow: var(--shadow-medium);
            }

            .nav-links.active {
                display: flex;
            }

            .mobile-menu-btn {
                display: flex;
            }

            .hero {
                padding: 100px 5% 60px;
            }

            .hero-title {
                font-size: 2rem;
            }

            .hero-stats {
                flex-direction: column;
                gap: 1.5rem;
                align-items: center;
            }

            .stat-item {
                text-align: center;
            }

            .hero-image-container {
                max-width: 350px;
                margin-bottom: 1rem;
            }

            .floating-cards-wrapper {
                position: relative;
                display: flex;
                flex-wrap: wrap;
                justify-content: center;
                gap: 0.75rem;
                margin-top: 1.5rem;
            }

            .floating-card {
                position: relative;
                top: auto !important;
                left: auto !important;
                right: auto !important;
                bottom: auto !important;
                animation: none;
                flex-shrink: 0;
            }

            .hero-visual {
                flex-direction: column;
            }

            .btn {
                padding: 0.875rem 1.5rem;
                font-size: 0.9rem;
            }
        }
        

        /* Responsive Contact & Footer */
        @media (max-width: 1024px) {
            .contact-content {
                grid-template-columns: 1fr;
                gap: 3rem;
            }

            .footer-content {
                grid-template-columns: repeat(2, 1fr);
            }

            .footer-brand {
                grid-column: 1 / -1;
            }
        }

        @media (max-width: 768px) {
            .contact-section {
                padding: 60px 5%;
            }

            .contact-form-wrapper {
                padding: 2rem;
            }

            .form-row {
                grid-template-columns: 1fr;
            }

            .footer {
                padding: 3rem 5% 1.5rem;
            }

            .footer-content {
                grid-template-columns: 1fr;
                gap: 2rem;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }

            .footer-bottom-links {
                flex-direction: column;
                gap: 0.75rem;
            }
        }

        /* ===== Responsive ===== */
        @media (max-width: 768px) {
            .hero {
                padding: 120px 5% 60px;
            }

            .products-grid {
                grid-template-columns: 1fr;
            }

            .filter-container {
                overflow-x: auto;
                flex-wrap: nowrap;
            }

            .cart-modal {
                max-width: 100%;
            }

            .nav-links {
                gap: 1rem;
            }
        }