* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: 'Poppins', sans-serif;
            background: #f5f7fb;
            color: #1e293b;
        }

        /* Header / Navbar */
        .header {
            background: white;
            box-shadow: 0 2px 15px rgba(0,0,0,0.05);
            position: sticky;
            top: 0;
            z-index: 1000;
            padding: 12px 0;
        }

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .nav-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .logo-img {
            height: 60px;
            width: auto;
        }

        .logo-text h1 {
            font-size: 1.3rem;
            font-weight: 700;
            color: #0f172a;
            line-height: 1.2;
        }

        .logo-text p {
            font-size: 0.65rem;
            color: #f59e0b;
            letter-spacing: 1px;
        }

        .nav-links {
            display: flex;
            gap: 28px;
            list-style: none;
        }

        .nav-links a {
            text-decoration: none;
            color: #334155;
            font-weight: 500;
            transition: 0.3s;
        }

        .nav-links a:hover {
            color: #f59e0b;
        }

        .mobile-menu {
            display: none;
            font-size: 1.6rem;
            cursor: pointer;
        }

        /* Buttons */
        .btn {
            display: inline-block;
            padding: 10px 24px;
            border-radius: 30px;
            font-weight: 500;
            text-decoration: none;
            transition: 0.3s;
            border: none;
            cursor: pointer;
        }

        .btn-primary {
            background: #f59e0b;
            color: white;
        }

        .btn-primary:hover {
            background: #d97706;
            transform: translateY(-2px);
        }

        .btn-outline {
            border: 2px solid #f59e0b;
            color: #f59e0b;
            background: transparent;
        }

        .btn-outline:hover {
            background: #f59e0b;
            color: white;
        }

        /* Section Styles */
        section {
            padding: 60px 0;
        }

        .section-title {
            font-size: 2rem;
            font-weight: 700;
            text-align: center;
            margin-bottom: 40px;
            color: #0f172a;
            position: relative;
        }

        .section-title span {
            color: #f59e0b;
        }

        .section-title::after {
            content: '';
            position: absolute;
            bottom: -12px;
            left: 50%;
            transform: translateX(-50%);
            width: 60px;
            height: 3px;
            background: #f59e0b;
            border-radius: 2px;
        }

        /* Hero Slider Section */
        .hero-slider-section {
            background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
            color: white;
            padding: 0;
            position: relative;
        }
        .slider-container {
            position: relative;
            max-width: 100%;
            overflow: hidden;
        }
        .slider-wrapper {
            display: flex;
            transition: transform 0.5s ease-in-out;
        }
        .slide {
            min-width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 60px 24px;
            gap: 40px;
            flex-wrap: wrap;
        }
        .slide-content {
            flex: 1;
            min-width: 280px;
        }
        .slide-content h1 {
            font-size: 2.5rem;
            font-weight: 700;
            margin-bottom: 16px;
        }
        .slide-content .highlight {
            color: #fbbf24;
        }
        .slide-content p {
            color: #cbd5e1;
            margin-bottom: 24px;
            font-size: 1rem;
            line-height: 1.5;
        }
        .benefit-badge {
            display: inline-block;
            background: rgba(245, 158, 11, 0.2);
            backdrop-filter: blur(4px);
            padding: 8px 20px;
            border-radius: 40px;
            font-weight: 600;
            margin-bottom: 20px;
            border-left: 3px solid #f59e0b;
            color: #fbbf24;
        }
        .slide-img {
            flex: 1;
            text-align: center;
            min-width: 280px;
        }
        .slide-img img {
            max-width: 100%;
            border-radius: 24px;
            box-shadow: 0 20px 35px rgba(0,0,0,0.3);
            max-height: 420px;
            object-fit: cover;
            width: 100%;
        }
        .slider-btn {
            position: absolute;
            top: 50%;
            transform: translateY(-50%);
            background: rgba(0,0,0,0.5);
            color: white;
            border: none;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            cursor: pointer;
            font-size: 1.5rem;
            transition: 0.3s;
            z-index: 10;
            backdrop-filter: blur(4px);
        }
        .slider-btn:hover {
            background: #f59e0b;
        }
        .slider-left {
            left: 20px;
        }
        .slider-right {
            right: 20px;
        }
        .dots-container {
            text-align: center;
            padding: 16px 0 24px;
            background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
        }
        .dot {
            height: 12px;
            width: 12px;
            margin: 0 6px;
            background-color: #94a3b8;
            border-radius: 50%;
            display: inline-block;
            cursor: pointer;
            transition: 0.3s;
        }
        .dot.active {
            background-color: #f59e0b;
            width: 28px;
            border-radius: 8px;
        }
        @media (max-width: 768px) {
            .slide {
                flex-direction: column;
                text-align: center;
                padding: 40px 20px;
            }
            .slide-content h1 {
                font-size: 1.8rem;
            }
            .slider-btn {
                width: 36px;
                height: 36px;
                font-size: 1.2rem;
            }
            .slider-left {
                left: 8px;
            }
            .slider-right {
                right: 8px;
            }
        }

        /* About Section */
        .about {
            background: white;
            box-shadow: 15px 15px 15px #000;
        }

        .about-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .about-text p {
            margin-bottom: 16px;
            line-height: 1.7;
            color: #475569;
        }

        .about-text .more-text {
            display: none;
        }

        .about-text .more-text.show {
            display: block;
        }

        .about-stats {
            display: grid;
            grid-template-columns: repeat(1, 1fr);
            gap: 24px;
        }
        .about-stats img
        {
            max-width: 100%;
            border-radius: 15px;
            box-shadow: 5px 10px 15px #0f172a;
        }

        .stat-card {
            background: #f1f5f9;
            padding: 24px;
            border-radius: 16px;
            text-align: center;
        }

        .stat-card h3 {
            font-size: 2rem;
            color: #f59e0b;
        }

        /* ========== NEW FILTERABLE SOLAR TYPES SECTION ========== */
        .solar-types {
            background: #f8fafc;
        }
        .filter-tabs {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 40px;
        }
        .filter-btn {
            background: white;
            border: 2px solid #e2e8f0;
            padding: 12px 28px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: 0.3s;
            color: #1e293b;
            font-family: inherit;
        }
        .filter-btn i {
            margin-right: 8px;
            color: #f59e0b;
        }
        .filter-btn.active {
            background: #f59e0b;
            border-color: #f59e0b;
            color: white;
        }
        .filter-btn.active i {
            color: white;
        }
        .filter-btn:hover:not(.active) {
            border-color: #f59e0b;
            background: #fff7ed;
        }
        .filterable-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 30px;
            margin-top: 20px;
        }
        .solar-filter-card {
            background: white;
            border-radius: 24px;
            overflow: hidden;
            box-shadow: 0 10px 25px rgba(0,0,0,0.05);
            transition: 0.3s;
            border: 1px solid #eef2ff;
        }
        .solar-filter-card:hover {
            transform: translateY(-6px);
            box-shadow: 0 20px 35px rgba(0,0,0,0.1);
            border-color: #f59e0b;
        }
        .card-img-wrapper {
            height: 220px;
            overflow: hidden;
            background: #f1f5f9;
            position: relative;
        }
        .card-img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: 0.4s;
        }
        .solar-filter-card:hover .card-img {
            transform: scale(1.05);
        }
        .system-badge {
            position: absolute;
            top: 16px;
            right: 16px;
            background: #f59e0b;
            color: white;
            padding: 5px 12px;
            border-radius: 30px;
            font-size: 0.75rem;
            font-weight: 600;
            box-shadow: 0 2px 8px rgba(0,0,0,0.1);
        }
        .card-info {
            padding: 24px;
        }
        .card-category {
            display: inline-block;
            background: #fef3c7;
            color: #b45309;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 0.7rem;
            font-weight: 600;
            margin-bottom: 12px;
        }
        .card-info h3 {
            font-size: 1.4rem;
            margin-bottom: 8px;
            color: #0f172a;
        }
        .card-specs {
            display: flex;
            gap: 16px;
            margin: 12px 0;
            flex-wrap: wrap;
            font-size: 0.85rem;
            color: #475569;
        }
        .card-specs span i {
            color: #f59e0b;
            margin-right: 5px;
        }
        .price-range {
            font-weight: 700;
            color: #f59e0b;
            margin: 12px 0;
            font-size: 1rem;
        }
        .catalogue-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            margin-top: 16px;
            color: #f59e0b;
            font-weight: 500;
            text-decoration: none;
            font-size: 0.9rem;
        }
        .catalogue-link i {
            transition: 0.2s;
        }
        .catalogue-link:hover i {
            transform: translateX(5px);
        }
        .no-results {
            text-align: center;
            padding: 50px;
            background: white;
            border-radius: 30px;
            grid-column: 1 / -1;
        }

        /* Services Grid */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 24px;
        }

        .service-card {
            background: white;
            padding: 32px 24px;
            border-radius: 20px;
            text-align: center;
            transition: 0.3s;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
        }

        .service-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 20px 30px rgba(0,0,0,0.1);
        }

        .service-icon {
            font-size: 3rem;
            color: #f59e0b;
            margin-bottom: 16px;
        }

        /* Products Section (Horizontal Scroll) */
        .products-scroll {
            background: white;
        }

        .scroll-container {
            position: relative;
        }

        .scroll-wrapper {
            overflow-x: auto;
            scroll-behavior: smooth;
            padding: 16px 0 24px;
            scrollbar-width: thin;
        }

        .scroll-wrapper::-webkit-scrollbar {
            height: 6px;
        }

        .scroll-wrapper::-webkit-scrollbar-track {
            background: #e2e8f0;
            border-radius: 10px;
        }

        .scroll-wrapper::-webkit-scrollbar-thumb {
            background: #f59e0b;
            border-radius: 10px;
        }

        .scroll-grid {
            display: flex;
            gap: 24px;
            min-width: min-content;
        }

        .product-card {
            min-width: 260px;
            background: #f8fafc;
            border-radius: 16px;
            padding: 24px;
            text-align: center;
            border: 1px solid #e2e8f0;
            transition: 0.3s;
        }

        .product-card:hover {
            border-color: #f59e0b;
        }

        .product-icon {
            font-size: 3rem;
            color: #f59e0b;
            margin-bottom: 16px;
        }

        .scroll-btn {
            position: absolute;
            top: 50%;
            transform: translateY(-50%);
            background: #f59e0b;
            color: white;
            border: none;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            cursor: pointer;
            z-index: 10;
            box-shadow: 0 2px 10px rgba(0,0,0,0.2);
        }

        .scroll-left {
            left: -20px;
        }

        .scroll-right {
            right: -20px;
        }

        /* Contact Section */
        .contact {
            background: #0f172a;
            color: white;
        }

        .contact-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
        }

        .contact-info i {
            color: #f59e0b;
            margin-right: 12px;
            width: 30px;
        }

        .form-group {
            margin-bottom: 16px;
        }

        .form-group input, .form-group textarea, .form-group select {
            width: 100%;
            padding: 12px 16px;
            border-radius: 12px;
            border: none;
            font-family: inherit;
        }

        /* Footer */
        .footer {
            background: #0f172a;
            border-top: 1px solid #1e293b;
            padding: 30px 0;
            text-align: center;
            color: #94a3b8;
        }

        /* WhatsApp Float */
        .whatsapp-float {
            position: fixed;
            bottom: 25px;
            right: 25px;
            background: #25D366;
            color: white;
            border-radius: 50px;
            padding: 12px 20px;
            display: flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
            font-weight: 600;
            z-index: 999;
            box-shadow: 0 4px 15px rgba(0,0,0,0.2);
        }

        /* Responsive */
        @media (max-width: 768px) {
            .nav-links {
                display: none;
                width: 100%;
                flex-direction: column;
                text-align: center;
                padding: 20px 0;
            }
            .nav-links.active {
                display: flex;
            }
            .mobile-menu {
                display: block;
            }
            .about-grid, .contact-grid {
                grid-template-columns: 1fr;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .scroll-btn {
                display: none;
            }
            .logo-img {
                height: 45px;
            }
            .filter-btn {
                padding: 8px 18px;
                font-size: 0.85rem;
            }
            .filterable-grid {
                grid-template-columns: 1fr;
            }
        }

        /* admin style */
        body.admin-logged-in {
    padding-top: 40px;
}

.admin-bar {
    background: linear-gradient(135deg, #1e293b, #0f172a);
    color: white;
    padding: 10px 0;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 9999;
    text-align: center;
    font-size: 14px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.admin-bar a {
    color: #fbbf24;
    margin: 0 15px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s;
}

.admin-bar a:hover {
    color: #f59e0b;
    text-decoration: underline;
}

.badge {
    display: inline-block;
    padding: 4px 8px;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 500;
}

.badge.new {
    background: #fee2e2;
    color: #dc2626;
}

.badge.read {
    background: #dbeafe;
    color: #2563eb;
}

.badge.replied {
    background: #d1fae5;
    color: #059669;
}