/* --- CSS VARIABLES --- */
        :root {
            --primary-bg: #0a0a0a;
            --secondary-bg: #1a1a1a;
            --card-bg: #222222;
            --primary-text: #f4f4f4;
            --secondary-text: #b0b0b0;
            --accent-color: #00bcd4;
            --accent-hover: #00e5ff;
            --transition-speed: 0.3s;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'Poppins', sans-serif;
            background-color: var(--primary-bg);
            color: var(--primary-text);
            line-height: 1.6;
        }

        .container {
            max-width: 1100px;
            margin: 0 auto;
            padding: 0 20px;
        }

        h1, h2, h3 {
            font-weight: 600;
            line-height: 1.2;
        }

        h2 {
            font-size: 2.5rem;
            text-align: center;
            margin-bottom: 1rem;
            position: relative;
            padding-bottom: 10px;
        }

        h2::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 3px;
            background-color: var(--accent-color);
        }

        p {
            color: var(--secondary-text);
            margin-bottom: 1rem;
        }

        a {
            color: var(--accent-color);
            text-decoration: none;
            transition: color var(--transition-speed);
        }

        a:hover {
            color: var(--accent-hover);
        }

        section {
            padding: 80px 0;
        }

        /* --- ANIMATIONS --- */
        .fade-in {
            opacity: 0;
            transform: translateY(20px);
            transition: opacity 0.6s ease-out, transform 0.6s ease-out;
        }

        .fade-in.visible {
            opacity: 1;
            transform: translateY(0);
        }

        /* --- HEADER & NAVBAR --- */
        .main-header {
            background-color: rgba(10, 10, 10, 0.9);
            backdrop-filter: blur(10px);
            position: fixed;
            width: 100%;
            top: 0;
            left: 0;
            z-index: 1000;
            transition: background-color var(--transition-speed);
        }

        .main-header.scrolled {
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
        }

        .main-nav {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1rem 0;
        }

        .logo {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--primary-text);
        }

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

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

        .nav-links li {
            margin-left: 25px;
        }

        .nav-links a {
            color: var(--primary-text);
            font-weight: 500;
            position: relative;
        }

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

        .nav-links a:hover::after {
            width: 100%;
        }
        
        /* --- HAMBURGER MENU (for mobile) --- */
        .menu-toggle {
            display: none;
            flex-direction: column;
            cursor: pointer;
        }

        .menu-toggle span {
            width: 25px;
            height: 3px;
            background-color: var(--primary-text);
            margin: 3px 0;
            transition: 0.3s;
        }

        /* --- HERO SECTION --- */
        #hero {
            height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url("../images/background.jpg") no-repeat center center/cover;
            color: #fff;
        }

        .hero-content h1 {
            font-size: 3.5rem;
            margin-bottom: 1rem;
        }

        .hero-content p {
            font-size: 1.2rem;
            color: #ddd;
            max-width: 600px;
            margin: 0 auto 2rem auto;
        }

        .btn {
            display: inline-block;
            padding: 12px 30px;
            background-color: var(--accent-color);
            color: #fff;
            border: none;
            border-radius: 5px;
            font-size: 1rem;
            font-weight: 500;
            cursor: pointer;
            transition: background-color var(--transition-speed), transform var(--transition-speed);
        }

        .btn:hover {
            background-color: var(--accent-hover);
            transform: translateY(-2px);
        }

        /* --- ABOUT SECTION --- */
        #about {
            background-color: var(--secondary-bg);
        }

        .about-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .about-text h3 {
            font-size: 1.8rem;
            margin-bottom: 1rem;
        }

        .about-text .btn {
            margin-top: 1rem;
        }
        
        .about-image img {
            width: 100%;
            border-radius: 10px;
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
        }

        /* --- SERVICES SECTION --- */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
            margin-top: 50px;
        }

        .service-card {
            background-color: var(--card-bg);
            padding: 30px;
            border-radius: 10px;
            text-align: center;
            transition: transform var(--transition-speed), box-shadow var(--transition-speed);
        }

        .service-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 188, 212, 0.2);
        }

        .service-card .icon {
            font-size: 3rem;
            color: var(--accent-color);
            margin-bottom: 1rem;
        }

        .service-card h3 {
            font-size: 1.5rem;
            margin-bottom: 1rem;
        }

        /* --- PORTFOLIO SECTION --- */
        #portfolio {
            background-color: var(--secondary-bg);
        }
        
        .carousel-container {
            position: relative;
            width: 100%;
            margin: 50px auto 0;
            overflow: hidden;
            border-radius: 10px;
        }

        .carousel-wrapper {
            display: flex;
            transition: transform 0.5s ease-in-out;
        }

        .carousel-slide {
            min-width: 100%;
            position: relative;
        }

        .carousel-slide img {
            width: 100%;
            height: 500px;
            object-fit: cover;
            display: block;
        }

        .carousel-caption {
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
            color: #fff;
            padding: 20px;
            text-align: center;
        }

        .carousel-caption h3 {
            margin-bottom: 0.5rem;
        }

        .carousel-nav {
            position: absolute;
            top: 50%;
            transform: translateY(-50%);
            width: 100%;
            display: flex;
            justify-content: space-between;
            padding: 0 20px;
        }

        .carousel-nav button {
            background-color: rgba(0, 0, 0, 0.5);
            color: #fff;
            border: none;
            padding: 10px 15px;
            cursor: pointer;
            border-radius: 5px;
            font-size: 1.2rem;
            transition: background-color var(--transition-speed);
        }

        .carousel-nav button:hover {
            background-color: var(--accent-color);
        }

        /* --- BRANDS SECTION --- */
        .brands-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 40px;
            margin-top: 50px;
            align-items: center;
        }

        .brand-item {
            background-color: var(--card-bg);
            padding: 30px;
            border-radius: 10px;
            display: flex;
            justify-content: center;
            align-items: center;
            height: 120px;
            filter: grayscale(100%);
            opacity: 0.7;
            transition: filter var(--transition-speed), opacity var(--transition-speed);
        }
        
        .brand-item img {
            max-width: 100%;
            max-height: 100%;
        }

        .brand-item:hover {
            filter: grayscale(0%);
            opacity: 1;
        }

        /* --- CONTACT SECTION --- */
        #contact {
            background-color: var(--secondary-bg);
        }

        .contact-wrapper {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            margin-top: 50px;
        }

        .contact-info {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .contact-item {
            display: flex;
            align-items: center;
            gap: 15px;
        }

        .contact-item .icon {
            font-size: 1.5rem;
            color: var(--accent-color);
            width: 40px;
        }

        .contact-form {
            background-color: var(--card-bg);
            padding: 30px;
            border-radius: 10px;
        }

        .form-group {
            margin-bottom: 20px;
        }

        .form-group label {
            display: block;
            margin-bottom: 5px;
        }

        .form-group input,
        .form-group textarea {
            width: 100%;
            padding: 10px;
            background-color: var(--primary-bg);
            border: 1px solid #444;
            border-radius: 5px;
            color: var(--primary-text);
            font-family: 'Poppins', sans-serif;
        }

        .form-group input:focus,
        .form-group textarea:focus {
            outline: none;
            border-color: var(--accent-color);
        }

        #map {
            width: 100%;
            height: 400px;
            border-radius: 10px;
            margin-top: 50px;
            border: 0;
        }

        /* --- FOOTER --- */
        .main-footer {
            background-color: #111;
            color: var(--secondary-text);
            text-align: center;
            padding: 30px 0;
        }

        .social-links {
            margin-bottom: 20px;
        }

        .social-links a {
            color: var(--secondary-text);
            font-size: 1.5rem;
            margin: 0 10px;
            transition: color var(--transition-speed);
        }

        .social-links a:hover {
            color: var(--accent-color);
        }

        /* --- FLOATING WHATSAPP BUTTON --- */
        .whatsapp-float {
            position: fixed;
            width: 60px;
            height: 60px;
            bottom: 40px;
            right: 40px;
            background-color: #25d366;
            color: #FFF;
            border-radius: 50px;
            text-align: center;
            font-size: 30px;
            box-shadow: 2px 2px 6px rgba(0,0,0,0.4);
            z-index: 1000;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: transform var(--transition-speed), background-color var(--transition-speed);
        }
        
        .whatsapp-float:hover {
            transform: scale(1.1);
            background-color: #128C7E;
        }

        /* --- RESPONSIVE DESIGN --- */
        @media (max-width: 768px) {
            h2 { font-size: 2rem; }

            .nav-links {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background-color: var(--secondary-bg);
                flex-direction: column;
                text-align: center;
                padding: 20px 0;
            }

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

            .menu-toggle {
                display: flex;
            }

            .hero-content h1 { font-size: 2.5rem; }
            .hero-content p { font-size: 1rem; }

            .about-content,
            .contact-wrapper {
                grid-template-columns: 1fr;
            }

            .carousel-slide img {
                height: 300px;
            }
        }