:root {
            --bg-dark: #080B0F;
            --bg-lighter: #0F1318;
            --accent-amber: #F59E0B;
            --accent-hover: #D97706;
            --text-white: #E8EDF2;
            --text-muted: #A0ABC0;
            --font-heading: 'Barlow Condensed', sans-serif;
            --font-body: 'DM Sans', sans-serif;
            --transition: all 0.3s ease;
        }

        * { margin: 0; padding: 0; box-sizing: border-box; }
        html { scroll-behavior: smooth; scroll-padding-top: 80px; }
        body {
            font-family: var(--font-body);
            background-color: var(--bg-dark);
            color: var(--text-white);
            line-height: 1.6;
            overflow-x: hidden;
        }
        
        a { text-decoration: none; color: inherit; }
        ul { list-style: none; }
        img { max-width: 100%; height: auto; }
        
        /* Typography */
        h1, h2, h3, h4, h5, h6 { font-family: var(--font-heading); text-transform: uppercase; }
        h1 { font-size: clamp(3rem, 6vw, 5rem); line-height: 1.1; margin-bottom: 1rem; }
        h2 { font-size: clamp(2.5rem, 4vw, 3.5rem); margin-bottom: 1.5rem; color: var(--text-white); }
        .amber-text { color: var(--accent-amber); }
        .section-tag {
            color: var(--accent-amber);
            font-weight: 700;
            letter-spacing: 2px;
            font-size: 0.9rem;
            text-transform: uppercase;
            display: inline-block;
            margin-bottom: 0.5rem;
        }
        
        /* Layout & Utilities */
        .container { max-width: 1200px; margin: 0 auto; padding: 0 5%; }
        section { padding: 100px 0; }
        .bg-lighter { background-color: var(--bg-lighter); }
        .text-center { text-align: center; }
        
        /* Buttons */
        .btn {
            display: inline-block;
            padding: 12px 28px;
            font-weight: 500;
            border-radius: 4px;
            transition: var(--transition);
            cursor: pointer;
            text-align: center;
        }
        .btn-amber {
            background-color: var(--accent-amber);
            color: #000;
            border: 2px solid var(--accent-amber);
        }
        .btn-amber:hover {
            background-color: var(--accent-hover);
            border-color: var(--accent-hover);
        }
        .btn-outline {
            background-color: transparent;
            color: var(--text-white);
            border: 2px solid var(--text-white);
        }
        .btn-outline:hover {
            background-color: var(--text-white);
            color: var(--bg-dark);
        }
        
        /* Fade-in Animation */
        .fade-in { opacity: 0; transform: translateY(30px); transition: opacity 0.8s ease, transform 0.8s ease; }
        .fade-in.visible { opacity: 1; transform: translateY(0); }
        
        /* Announcement Banner */
        .announcement {
            background-color: var(--accent-amber);
            color: #000;
            text-align: center;
            padding: 8px 5%;
            font-weight: 500;
            font-size: 0.9rem;
            position: relative;
            z-index: 1001;
        }
        .announcement .close-btn {
            position: absolute;
            right: 5%;
            top: 50%;
            transform: translateY(-50%);
            background: none;
            border: none;
            cursor: pointer;
            font-size: 1.2rem;
            color: #000;
        }
        
        /* Navbar */
        nav {
            position: fixed;
            top: 0;
            width: 100%;
            padding: 20px 5%;
            z-index: 1000;
            transition: var(--transition);
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        nav.scrolled {
            background: rgba(8, 11, 15, 0.95);
            backdrop-filter: blur(10px);
            padding: 15px 5%;
            box-shadow: 0 4px 20px rgba(0,0,0,0.5);
        }
        /* Top offset for sticky nav if banner is active */
        .nav-wrapper.has-banner nav { top: 37px; }
        .nav-wrapper.has-banner nav.scrolled { top: 0; }

        .logo {
            font-family: var(--font-heading);
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--text-white);
            letter-spacing: 1px;
        }
        .nav-links {
            display: flex;
            gap: 30px;
            align-items: center;
        }
        .nav-links a {
            font-weight: 500;
            font-size: 1rem;
            transition: var(--transition);
        }
        .nav-links a:hover { color: var(--accent-amber); }
        .nav-cta {
            padding: 8px 20px;
            background: var(--accent-amber);
            color: #000 !important;
            border-radius: 4px;
            font-weight: 700;
        }
        .nav-cta:hover { background: var(--accent-hover); }
        
        .hamburger {
            display: none;
            cursor: pointer;
            background: none;
            border: none;
            color: white;
            font-size: 1.5rem;
        }

        /* Hero Section */
        .hero {
            min-height: 100vh;
            display: flex;
            align-items: center;
            position: relative;
            background: linear-gradient(rgba(8, 11, 15, 0.7), rgba(8, 11, 15, 0.9)), url('https://images.unsplash.com/photo-1541888946425-d81bb19240f5?q=90&w=2070') center/cover;
            padding-top: 80px;
        }
        .hero::before {
            content: '';
            position: absolute;
            top: 0; left: 0; right: 0; bottom: 0;
            background-image: linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
            background-size: 40px 40px;
            pointer-events: none;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 800px;
        }
        .badge {
            display: inline-flex;
            align-items: center;
            background: rgba(245, 158, 11, 0.1);
            border: 1px solid rgba(245, 158, 11, 0.3);
            color: var(--accent-amber);
            padding: 6px 16px;
            border-radius: 30px;
            font-size: 0.85rem;
            font-weight: 700;
            margin-bottom: 20px;
            animation: pulse 2s infinite;
        }
        @keyframes pulse {
            0% { box-shadow: 0 0 0 0 rgba(245, 158, 11, 0.4); }
            70% { box-shadow: 0 0 0 10px rgba(245, 158, 11, 0); }
            100% { box-shadow: 0 0 0 0 rgba(245, 158, 11, 0); }
        }
        .hero p {
            font-size: 1.1rem;
            color: var(--text-muted);
            margin-bottom: 30px;
            max-width: 600px;
        }
        .hero-btns { display: flex; gap: 15px; margin-bottom: 50px; }
        
        .hero-stats {
            display: flex;
            gap: 40px;
            border-top: 1px solid rgba(255,255,255,0.1);
            padding-top: 30px;
            flex-wrap: wrap;
        }
        .stat-item h3 {
            font-size: 2.5rem;
            color: var(--accent-amber);
            margin-bottom: 5px;
        }
        .stat-item p { margin: 0; font-size: 0.9rem; text-transform: uppercase; letter-spacing: 1px; color: var(--text-white); }
        
        .scroll-indicator {
            position: absolute;
            bottom: 30px;
            left: 50%;
            transform: translateX(-50%);
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 10px;
            color: var(--text-muted);
            font-size: 0.8rem;
            letter-spacing: 2px;
            text-transform: uppercase;
        }
        .scroll-line {
            width: 2px;
            height: 40px;
            background: rgba(255,255,255,0.2);
            position: relative;
            overflow: hidden;
        }
        .scroll-line::after {
            content: '';
            position: absolute;
            top: -100%;
            left: 0;
            width: 100%;
            height: 100%;
            background: var(--accent-amber);
            animation: scrollLine 2s infinite;
        }
        @keyframes scrollLine {
            0% { top: -100%; }
            100% { top: 100%; }
        }

        /* About Section */
        .about-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }
        .about-img {
            position: relative;
            border-radius: 40px 160px 40px 160px;
            z-index: 1;
        }
        .about-img::after {
            content: '';
            position: absolute;
            inset: 0;
            border: 3px solid var(--accent-amber);
            transform: translate(20px, 20px);
            border-radius: 40px 160px 40px 160px;
            z-index: -1;
        }
        .about-img img {
            border-radius: 40px 160px 40px 160px;
            display: block;
            width: 100%;
            min-height: 500px;
            object-fit: cover;
            box-shadow: 0 15px 40px rgba(0,0,0,0.6);
        }
        .about-badge {
            position: absolute;
            bottom: 0;
            right: 0;
            background: var(--accent-amber);
            color: #000;
            padding: 20px;
            text-align: center;
            border-radius: 8px 0 0 0;
        }
        .about-badge h4 { font-size: 2rem; margin-bottom: 0; }
        .about-badge p { margin: 0; font-weight: 500; font-family: var(--font-heading); text-transform: uppercase; }
        
        .about-features {
            margin: 30px 0;
            display: flex;
            flex-direction: column;
            gap: 15px;
        }
        .feature-item {
            display: flex;
            align-items: center;
            gap: 15px;
            font-size: 1.1rem;
            font-weight: 500;
        }
        .cert-chips {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .chip {
            background: rgba(255,255,255,0.05);
            padding: 5px 12px;
            border-radius: 4px;
            font-size: 0.85rem;
            border: 1px solid rgba(255,255,255,0.1);
        }

        /* Services Section */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
            margin-top: 50px;
        }
        .service-card {
            background: var(--bg-lighter);
            padding: 40px 30px;
            border-radius: 8px;
            position: relative;
            transition: var(--transition);
            border: 1px solid rgba(255,255,255,0.05);
            overflow: hidden;
        }
        .service-card::before {
            content: '';
            position: absolute;
            bottom: 0; left: 0;
            width: 0; height: 3px;
            background: var(--accent-amber);
            transition: width 0.4s ease;
        }
        .service-card:hover {
            transform: translateY(-10px);
            border-color: rgba(245, 158, 11, 0.3);
        }
        .service-card:hover::before { width: 100%; }
        .service-icon {
            font-size: 2.5rem;
            margin-bottom: 20px;
            display: inline-block;
        }
        .service-card h3 { font-size: 1.5rem; margin-bottom: 15px; }
        .service-card p { color: var(--text-muted); margin-bottom: 20px; font-size: 0.95rem; }
        .service-link {
            color: var(--accent-amber);
            font-weight: 700;
            text-transform: uppercase;
            font-family: var(--font-heading);
            letter-spacing: 1px;
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }
        .service-link:hover { gap: 10px; }

        /* Why Choose Us */
        .wcu-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 40px;
            margin-top: 50px;
        }
        .wcu-item {
            position: relative;
            padding: 30px;
            background: rgba(255,255,255,0.02);
            border-radius: 8px;
            overflow: hidden;
        }
        .wcu-num {
            position: absolute;
            right: -10px;
            top: -20px;
            font-size: 8rem;
            font-family: var(--font-heading);
            color: var(--accent-amber);
            opacity: 0.05;
            line-height: 1;
            z-index: 0;
        }
        .wcu-item h3 { font-size: 1.3rem; margin-bottom: 10px; position: relative; z-index: 1; }
        .wcu-item p { color: var(--text-muted); font-size: 0.95rem; margin: 0; position: relative; z-index: 1; }

        /* Portfolio */
        .filter-btns {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 15px;
            margin: 40px 0;
        }
        .filter-btn {
            background: transparent;
            border: 1px solid rgba(255,255,255,0.2);
            color: var(--text-white);
            padding: 8px 20px;
            border-radius: 30px;
            cursor: pointer;
            transition: var(--transition);
            font-family: var(--font-body);
        }
        .filter-btn.active, .filter-btn:hover {
            background: var(--accent-amber);
            border-color: var(--accent-amber);
            color: #000;
        }
        .portfolio-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .portfolio-item {
            position: relative;
            border-radius: 8px;
            overflow: hidden;
            aspect-ratio: 4/3;
            cursor: pointer;
        }
        .portfolio-item img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .portfolio-overlay {
            position: absolute;
            inset: 0;
            background: rgba(8, 11, 15, 0.8);
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            opacity: 0;
            transition: var(--transition);
        }
        .portfolio-item:hover img { transform: scale(1.1); }
        .portfolio-item:hover .portfolio-overlay { opacity: 1; }
        .portfolio-overlay h4 {
            color: var(--accent-amber);
            margin-bottom: 10px;
            font-size: 1.2rem;
            text-align: center;
            padding: 0 15px;
        }
        .zoom-icon { font-size: 2rem; color: #fff; }

        /* Lightbox */
        .lightbox {
            position: fixed;
            inset: 0;
            background: rgba(0,0,0,0.9);
            z-index: 2000;
            display: none;
            justify-content: center;
            align-items: center;
            padding: 20px;
        }
        .lightbox.active { display: flex; }
        .lightbox img { max-width: 90%; max-height: 90vh; border-radius: 4px; }
        .lightbox-close {
            position: absolute;
            top: 20px;
            right: 30px;
            color: white;
            font-size: 2.5rem;
            cursor: pointer;
            background: none;
            border: none;
        }

        /* Video Section */
        .video-container {
            max-width: 900px;
            margin: 40px auto 0;
            position: relative;
            padding-bottom: 56.25%; /* 16:9 */
            height: 0;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 20px 40px rgba(0,0,0,0.5);
            border: 1px solid rgba(255,255,255,0.1);
        }
        .video-container iframe {
            position: absolute;
            top: 0; left: 0; width: 100%; height: 100%;
        }

        /* Marquee */
        .marquee-section {
            padding: 80px 0 60px;
            border-top: 1px solid rgba(245, 158, 11, 0.1);
            border-bottom: 1px solid rgba(245, 158, 11, 0.1);
            background: linear-gradient(180deg, rgba(15,19,24,1) 0%, rgba(8,11,15,1) 100%);
            overflow: hidden;
            position: relative;
            box-shadow: inset 0 0 50px rgba(0,0,0,0.5);
        }
        .marquee-section::before, .marquee-section::after {
            content: '';
            position: absolute;
            top: 0; width: 150px; height: 100%;
            z-index: 2;
            pointer-events: none;
        }
        .marquee-section::before { left: 0; background: linear-gradient(to right, rgba(8,11,15,1) 10%, transparent); }
        .marquee-section::after { right: 0; background: linear-gradient(to left, rgba(8,11,15,1) 10%, transparent); }
        
        .marquee-container {
            display: flex;
            overflow: hidden;
            gap: 40px;
            padding: 20px 0;
            width: 100%;
        }
        .marquee-content {
            display: flex;
            flex-shrink: 0;
            justify-content: space-around;
            align-items: center;
            min-width: 100%;
            gap: 40px;
            animation: scroll 20s linear infinite;
        }
        .marquee-container:hover .marquee-content { animation-play-state: paused; }
        @keyframes scroll {
            from { transform: translateX(0); }
            to { transform: translateX(calc(-100% - 40px)); }
        }
        .client-logo {
            display: flex;
            justify-content: center;
            align-items: center;
            width: 180px;
            height: 90px;
        }
        .client-logo img {
            max-width: 100%;
            max-height: 100%;
            object-fit: contain;
            transition: transform 0.3s ease;
        }
        .client-logo img:hover {
            transform: scale(1.15);
        }

        /* Testimonials */
        .test-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
            margin-top: 50px;
        }
        .test-card {
            background: var(--bg-dark);
            padding: 40px 30px;
            border-radius: 8px;
            border: 1px solid rgba(255,255,255,0.05);
            position: relative;
        }
        .quote-icon {
            position: absolute;
            top: 20px; right: 20px;
            font-size: 4rem;
            color: var(--accent-amber);
            opacity: 0.1;
            font-family: serif;
            line-height: 1;
        }
        .stars { color: var(--accent-amber); margin-bottom: 15px; }
        .test-text { font-style: italic; color: var(--text-muted); margin-bottom: 25px; }
        .client-info { display: flex; align-items: center; gap: 15px; }
        .client-avatar {
            width: 50px; height: 50px;
            border-radius: 50%;
            background: rgba(255,255,255,0.1);
            display: flex;
            justify-content: center;
            align-items: center;
            font-weight: 700;
            color: var(--accent-amber);
        }
        .client-details h4 { margin: 0; font-size: 1.1rem; }
        .client-details p { margin: 0; font-size: 0.85rem; color: var(--text-muted); }

        /* Equipment */
        .eq-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 50px;
        }
        .eq-card {
            background: rgba(255,255,255,0.02);
            border-radius: 8px;
            overflow: hidden;
            border: 1px solid transparent;
            transition: var(--transition);
        }
        .eq-card:hover {
            transform: translateY(-10px);
            border-color: var(--accent-amber);
            box-shadow: 0 10px 30px rgba(245, 158, 11, 0.1);
        }
        .eq-img { 
            height: 240px; 
            display: flex;
            justify-content: center;
            align-items: center;
            background: rgba(0, 0, 0, 0.3);
            padding: 15px;
        }
        .eq-img img { 
            max-width: 100%; 
            max-height: 100%; 
            object-fit: contain; 
            border-radius: 4px;
            transition: transform 0.4s ease;
        }
        .eq-card:hover .eq-img img {
            transform: scale(1.08);
        }
        .eq-info { padding: 20px; }
        .eq-info h4 { font-size: 1.2rem; margin-bottom: 10px; }
        .eq-info p { font-size: 0.9rem; color: var(--text-muted); margin: 0; }

        /* Contact & Map */
        .contact-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
        }
        .contact-info-item {
            display: flex;
            gap: 15px;
            margin-bottom: 25px;
            align-items: flex-start;
        }
        .contact-icon {
            font-size: 1.5rem;
            color: var(--accent-amber);
            background: rgba(245, 158, 11, 0.1);
            width: 50px; height: 50px;
            display: flex;
            justify-content: center;
            align-items: center;
            border-radius: 50%;
            flex-shrink: 0;
        }
        .hours-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 10px;
            background: rgba(255,255,255,0.02);
            padding: 20px;
            border-radius: 8px;
            margin: 30px 0;
        }
        .hours-grid div { font-size: 0.9rem; }
        
        .contact-form {
            background: var(--bg-lighter);
            padding: 40px;
            border-radius: 8px;
            border: 1px solid rgba(255,255,255,0.05);
        }
        .form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-bottom: 20px; }
        .form-group { margin-bottom: 20px; }
        .form-group label { display: block; margin-bottom: 8px; font-size: 0.9rem; color: var(--text-muted); }
        .form-control {
            width: 100%;
            padding: 12px 15px;
            background: rgba(255,255,255,0.05);
            border: 1px solid rgba(255,255,255,0.1);
            border-radius: 4px;
            color: white;
            font-family: var(--font-body);
        }
        .form-control:focus { outline: none; border-color: var(--accent-amber); }
        select.form-control option { background-color: #0F1318; color: white; }
        .form-control.error { border-color: #ef4444; }
        textarea.form-control { height: 120px; resize: vertical; }
        .submit-btn { width: 100%; border: none; font-size: 1.1rem; }
        
        .form-success {
            display: none;
            flex-direction: column;
            align-items: center;
            text-align: center;
            padding: 40px 20px;
        }
        .success-icon {
            width: 60px; height: 60px;
            background: #10b981;
            border-radius: 50%;
            display: flex; justify-content: center; align-items: center;
            color: white;
            font-size: 2rem;
            margin-bottom: 20px;
            animation: popIn 0.5s ease;
        }
        @keyframes popIn { 0% { transform: scale(0); } 100% { transform: scale(1); } }

        .map-container { margin-top: 60px; border-radius: 8px; overflow: hidden; }
        .map-container iframe { width: 100%; height: 380px; border: none; filter: grayscale(0.8); display: block; }

        /* FAQ Section */
        .faq-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            margin-top: 40px;
        }
        .faq-item {
            background: var(--bg-dark);
            border: 1px solid rgba(255,255,255,0.1);
            border-radius: 6px;
            overflow: hidden;
        }
        .faq-q {
            padding: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            font-weight: 500;
            transition: var(--transition);
        }
        .faq-q:hover { color: var(--accent-amber); }
        .faq-icon {
            transition: transform 0.3s ease;
            font-size: 1.5rem;
            color: var(--accent-amber);
            line-height: 1;
        }
        .faq-a {
            padding: 0 20px;
            max-height: 0;
            overflow: hidden;
            transition: all 0.4s ease;
            color: var(--text-muted);
            font-size: 0.95rem;
        }
        .faq-item.active .faq-a {
            padding: 0 20px 20px 20px;
            max-height: 200px;
        }
        .faq-item.active .faq-icon { transform: rotate(45deg); }

        /* Footer */
        footer {
            background: #05070a;
            padding: 80px 0 20px;
            border-top: 1px solid rgba(255,255,255,0.05);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 40px;
            margin-bottom: 60px;
        }
        .footer-logo { font-size: 1.5rem; margin-bottom: 20px; display: block; }
        .footer-text { color: var(--text-muted); margin-bottom: 20px; font-size: 0.95rem; }
        .social-icons { display: flex; gap: 15px; }
        .social-icon {
            width: 40px; height: 40px;
            background: rgba(255,255,255,0.05);
            border-radius: 50%;
            display: flex; justify-content: center; align-items: center;
            transition: var(--transition);
        }
        .social-icon:hover { background: var(--accent-amber); color: #000; }
        
        .footer-heading { color: white; margin-bottom: 20px; font-size: 1.2rem; }
        .footer-links li { margin-bottom: 12px; }
        .footer-links a { color: var(--text-muted); transition: var(--transition); font-size: 0.95rem; }
        .footer-links a:hover { color: var(--accent-amber); padding-left: 5px; }
        
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.05);
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: var(--text-muted);
            font-size: 0.85rem;
        }
        .footer-bottom-links { display: flex; gap: 20px; }
        .footer-bottom-links a:hover { color: white; }

        /* Floating Buttons */
        .whatsapp-float {
            position: fixed;
            bottom: 30px;
            right: 30px;
            background: #25D366;
            color: white;
            border-radius: 50px;
            padding: 10px 20px;
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 500;
            box-shadow: 0 4px 15px rgba(37, 211, 102, 0.4);
            z-index: 1000;
            animation: bounce 2s infinite;
        }
        .whatsapp-float:hover { background: #1ebd5a; }
        @keyframes bounce {
            0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
            40% { transform: translateY(-10px); }
            60% { transform: translateY(-5px); }
        }
        .whatsapp-icon { font-size: 1.5rem; fill: currentColor; width: 24px; height: 24px; }
        
        .back-to-top {
            position: fixed;
            bottom: 90px;
            right: 30px;
            width: 44px; height: 44px;
            background: var(--accent-amber);
            color: #000;
            border-radius: 50%;
            display: flex; justify-content: center; align-items: center;
            font-size: 1.5rem;
            cursor: pointer;
            z-index: 1000;
            opacity: 0; visibility: hidden;
            transition: var(--transition);
            box-shadow: 0 4px 10px rgba(0,0,0,0.3);
        }
        .back-to-top.visible { opacity: 1; visibility: visible; }
        .back-to-top:hover { transform: translateY(-3px); }

        /* Responsive Breakpoints */
        @media (max-width: 1200px) {
            .eq-grid { grid-template-columns: repeat(2, 1fr); }
            .portfolio-grid { grid-template-columns: repeat(2, 1fr); }
            .test-grid { grid-template-columns: repeat(2, 1fr); }
        }
        
        @media (max-width: 1024px) {
            h1 { font-size: 3.5rem; }
            .about-grid, .contact-grid { grid-template-columns: 1fr; gap: 40px; }
            .about-img { max-width: 600px; margin: 0 auto; }
            .services-grid { grid-template-columns: repeat(2, 1fr); }
            .faq-grid { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: 1fr 1fr; }
        }
        
        @media (max-width: 768px) {
            section { padding: 60px 0; }
            .hamburger { display: block; }
            .nav-links {
                position: fixed;
                top: 0; left: -100%;
                width: 100%; height: 100vh;
                background: var(--bg-dark);
                flex-direction: column;
                justify-content: center;
                transition: 0.4s ease;
            }
            .nav-links.active { left: 0; }
            .nav-links a { font-size: 1.5rem; }
            
            .wcu-grid { grid-template-columns: 1fr; }
            .services-grid { grid-template-columns: 1fr; }
            .portfolio-grid { grid-template-columns: 1fr; }
            .test-grid { grid-template-columns: 1fr; }
            .eq-grid { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: 1fr; }
            
            .hero-btns { flex-direction: column; }
            .hero-stats { gap: 20px; justify-content: space-between; }
            .stat-item { width: 45%; }
            .form-row { grid-template-columns: 1fr; }
            
            .footer-bottom { flex-direction: column; gap: 10px; text-align: center; }
            
            .whatsapp-text { display: none; }
            .whatsapp-float { border-radius: 50%; padding: 10px; width: 44px; height: 44px; justify-content: center; }
            .back-to-top { bottom: 85px; }
            
            .marquee-section::before, .marquee-section::after { width: 50px; }
            .logo h2 { font-size: 1.5rem; }
        }
        
        @media (max-width: 480px) {
            .container { padding: 0 20px; }
            h1 { font-size: 2.5rem; }
            h2 { font-size: 2rem; }
            .hero-stats { flex-direction: column; align-items: center; text-align: center; }
            .stat-item { width: 100%; }
            .filter-btn { padding: 6px 12px; font-size: 0.85rem; }
            .contact-form { padding: 25px 15px; }
            .client-logo { width: 140px; height: 70px; }
        }