/* --- 1. ПЕРЕМЕННЫЕ И СБРОС --- */
        :root {
            --primary: #005eb8;       /* Melke Blue */
            --primary-dark: #004a93;
            --text-main: #1a1a1a;     /* Text Black */
            --text-gray: #6b7280;     /* Text Gray */
            --bg-light: #f9fafb;
            --white: #ffffff;
            --whatsapp: #25d366;
            --whatsapp-hover: #128c7e;
            --container-width: 1200px;
            --radius: 20px;
            --transition: all 0.3s ease;
            --header-height: 80px;
        }

        html {
            scroll-behavior: smooth;
            scroll-padding-top: var(--header-height); /* Чтобы меню не перекрывало заголовки */
        }

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

        body {
            font-family: 'Manrope', sans-serif;
            color: var(--text-main);
            line-height: 1.6;
            background-color: var(--white);
            overflow-x: hidden;
        }

        a { text-decoration: none; color: inherit; transition: var(--transition); }
        ul { list-style: none; }
        img { max-width: 100%; display: block; }
        button { font-family: inherit; cursor: pointer; border: none; outline: none; }

        /* --- 2. ОБЩИЕ КОМПОНЕНТЫ --- */
        .container {
            max-width: var(--container-width);
            margin: 0 auto;
            padding: 0 20px;
        }
        .prod-visual img{
            height: 200px;
            object-fit: contain;
        }
        .section { padding: 100px 0; }
        .bg-gray { background-color: var(--bg-light); }
        .text-center { text-align: center; }
        .text-accent { color: var(--primary); }
        .text-green { color: #22c55e; }
        .fa-solid{
          color: #005eb8;
        }
        /* Заголовки */
        .section-title {
            font-size: 42px;
            font-weight: 800;
            margin-bottom: 20px;
            line-height: 1.2;
        }
        .section-subtitle {
            font-size: 18px;
            color: var(--text-gray);
            max-width: 700px;
            margin: 0 auto 60px;
        }
        .label {
            display: inline-block;
            font-size: 13px;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 1.5px;
            color: var(--primary);
            margin-bottom: 15px;
            background: #eff6ff;
            padding: 6px 12px;
            border-radius: 6px;
        }

        /* Кнопки */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 16px 32px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 16px;
            transition: var(--transition);
            gap: 10px;
        }

        .btn-primary {
            background-color: var(--primary);
            color: var(--white);
            box-shadow: 0 10px 20px rgba(0, 94, 184, 0.2);
        }
        .btn-primary:hover {
            background-color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 15px 30px rgba(0, 94, 184, 0.3);
        }

        .btn-outline {
            background: transparent;
            border: 2px solid var(--white);
            color: var(--white);
        }
        .btn-outline:hover { background: rgba(255, 255, 255, 0.1); }
        
        .btn-outline-dark {
            background: transparent;
            border: 2px solid #e5e7eb;
            color: var(--text-gray);
        }
        .btn-outline-dark:hover {
            border-color: var(--text-main);
            color: var(--text-main);
            background: #f9fafb;
        }

        .btn-whatsapp {
            background-color: var(--whatsapp);
            color: white;
            box-shadow: 0 10px 20px rgba(37, 211, 102, 0.2);
        }
        .btn-whatsapp:hover { background-color: var(--whatsapp-hover); }

        /* Анимации */
        .fade-in { animation: fadeInUp 0.8s ease-out forwards; opacity: 0; transform: translateY(30px); }
        @keyframes fadeInUp { to { opacity: 1; transform: translateY(0); } }

        /* --- 3. HEADER --- */
        .header {
            position: fixed;
            top: 0; left: 0; width: 100%;
            height: var(--header-height);
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(12px);
            z-index: 1000;
            border-bottom: 1px solid rgba(0,0,0,0.05);
            display: flex; align-items: center;
        }
        .header-inner { display: flex; justify-content: space-between; align-items: center; width: 100%; }
        
        .logo { width: 130px; }
        .logo img { filter: invert(1); }

        .nav { display: flex; gap: 40px; }
        .nav a {
            font-size: 13px; font-weight: 800; text-transform: uppercase;
            color: var(--text-gray); letter-spacing: 0.5px;
            position: relative;
        }
        .nav a:hover { color: var(--primary); }
        .nav a::after {
            content: ''; position: absolute; bottom: -5px; left: 0; width: 0; height: 2px;
            background: var(--primary); transition: width 0.3s;
        }
        .nav a:hover::after { width: 100%; }

        .header-actions { display: flex; align-items: center; gap: 25px; }
        .header-phone { font-weight: 800; font-size: 18px; letter-spacing: -0.5px; }

        /* --- 4. HERO SECTION --- */
        .hero {
            position: relative;
            height: 100vh;
            min-height: 700px;
            background-color: #000;
            color: var(--white);
            display: flex;
            align-items: center;
        }
        .hero-bg {
            position: absolute;
            top: 0; left: 0; width: 100%; height: 100%;
            object-fit: cover; opacity: 0.55;
        }
        .hero-overlay {
            position: absolute; top: 0; left: 0; width: 100%; height: 100%;
            background: linear-gradient(90deg, rgba(0,0,0,0.85) 0%, rgba(0,0,0,0.3) 100%);
        }
        .hero-content { position: relative; z-index: 10; max-width: 850px; padding-top: 60px; }
        
        .hero-tag {
            display: inline-block; padding: 8px 20px;
            background: rgba(255,255,255,0.1); border: 1px solid rgba(255,255,255,0.2);
            backdrop-filter: blur(5px);
            border-radius: 50px; font-size: 12px; font-weight: 700;
            text-transform: uppercase; margin-bottom: 30px; letter-spacing: 1px;
        }
        .hero-title {
            font-size: 68px; font-weight: 800; line-height: 1.05;
            margin-bottom: 35px; text-transform: uppercase;
            text-shadow: 0 10px 30px rgba(0,0,0,0.3);
        }
        .hero-title span {
            display: block; font-size: 38px; font-weight: 500;
            text-transform: none; color: #60a5fa; margin-top: 15px;
        }
        
        .hero-features {
            display: flex; gap: 50px; margin-bottom: 50px;
            padding-top: 35px; border-top: 1px solid rgba(255,255,255,0.15);
        }
        .hero-feat { text-align: center; }
        .hero-feat i { font-size: 28px; margin-bottom: 8px; display: block; filter: drop-shadow(0 4px 6px rgba(0,0,0,0.3)); }
        .hero-feat span { font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: 1px; opacity: 0.9; }

        .hero-btns { display: flex; gap: 20px; }

        /* --- 5. EVOLUTION --- */
        .grid-3 {
            display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 30px;
        }
        .evo-card {
            background: var(--white); padding: 50px 40px; border-radius: var(--radius);
            border-bottom: 4px solid #e5e7eb;
            box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.05);
            transition: var(--transition);
        }
        .evo-card:hover { transform: translateY(-8px); box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.1); }
        
        .evo-icon { font-size: 56px; margin-bottom: 25px; display: block; opacity: 0.9; }
        .evo-title { font-size: 22px; font-weight: 800; margin-bottom: 15px; }
        .evo-text { font-size: 15px; color: var(--text-gray); line-height: 1.7; }

        .evo-card.accent { border-color: var(--primary); position: relative; overflow: hidden; background: #fff; }
        .evo-badge {
            position: absolute; top: 0; right: 0;
            background: var(--primary); color: white;
            font-size: 12px; font-weight: 700; padding: 6px 15px;
            border-bottom-left-radius: 12px;
        }

        /* --- 6. TECHNOLOGY --- */
        .tech-flex { display: flex; align-items: center; gap: 80px; }
        .tech-img { width:50%; border-radius: var(--radius); box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.15); }
        .tech-info { flex: 1; }
        
        .layer-item {
            margin-top: 35px; padding-left: 25px;
            border-left: 4px solid #e5e7eb;
            transition: border-color 0.3s;
        }
        .layer-item:hover { border-color: #93c5fd; }
        .layer-item.active { border-color: var(--primary); }
        .layer-title { font-size: 20px; font-weight: 800; color: var(--text-main); }
        .layer-desc { font-size: 15px; color: var(--text-gray); margin-top: 8px; }

        /* --- 7. ECOLOGY --- */
        .ecology { background-color: #0f172a; color: var(--white); }
        .eco-flex { display: flex; gap: 80px; align-items: center; }
        .eco-img-wrap { flex: 1; position: relative; }
        .eco-img-wrap::after {
            content: ''; position: absolute; inset: 0; border-radius: var(--radius);
            box-shadow: inset 0 0 100px rgba(15, 23, 42, 0.5); pointer-events: none;
        }
        .eco-img { border-radius: var(--radius); opacity: 0.85; mix-blend-mode: luminosity; transition: 0.5s; }
        .eco-img:hover { opacity: 1; mix-blend-mode: normal; }
        
        .eco-content { flex: 1; }
        
        .eco-stat { color: var(--whatsapp); font-weight: 800; font-size: 1.2em; }
        .eco-list { margin-top: 30px; }
        .eco-list li { margin-bottom: 18px; display: flex; gap: 15px; align-items: center; font-size: 16px; }
        .eco-list i { color: var(--whatsapp); font-size: 20px; background: rgba(37, 211, 102, 0.1); padding: 8px; border-radius: 50%; }

        /* --- 8. CATALOG (GRID 2) --- */
        .catalog-grid {
            display: grid;
            grid-template-columns: 1fr 1fr; /* 2 колонки */
            gap: 30px;
        }

        .product-card {
            background: var(--white); padding: 40px; border-radius: var(--radius);
            display: flex; flex-direction: column; height: 100%;
            transition: var(--transition); border: 1px solid #f3f4f6;
        }
        .product-card:hover {
            box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.15);
            transform: translateY(-8px);
            border-color: transparent;
        }

        /* Последний элемент на всю ширину */
        .product-card.span-full {
            grid-column: span 2;
            flex-direction: row; /* Горизонтальная ориентация */
            align-items: center;
            gap: 40px;
        }
        .product-card.span-full .prod-visual {
            width: 300px;
            height: 100%;
            margin-bottom: 0;
        }
        .product-card.span-full .prod-content-wrap {
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .prod-header { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 25px; }
        .prod-name { font-size: 26px; font-weight: 800; }
        .prod-tag {
            font-size: 11px; font-weight: 700; padding: 6px 10px; border-radius: 6px; text-transform: uppercase; letter-spacing: 0.5px;
        }
        
        /* Цвета тегов */
        .tag-lite { background: #f3f4f6; color: #6b7280; }
        .tag-smart { background: #eff6ff; color: #2563eb; }
        .tag-evo { background: #eff6ff; color: #005eb8; }
        .tag-art { background: #faf5ff; color: #9333ea; }
        .tag-centum { background: #1a1a1a; color: #fff; }

        .prod-visual {
            background: #f9fafb; height: 200px; border-radius: 12px;
            display: flex; align-items: center; justify-content: center;
            font-size: 50px; font-weight: 800; color: #e5e7eb; margin-bottom: 25px;
            transition: color 0.3s;
        }
        .product-card:hover .prod-visual { color: var(--primary); }
        .product-card:hover .prod-visual.dark { color: #1a1a1a; }

        .prod-specs { margin-bottom: 30px; flex-grow: 1; }
        .spec-row {
            display: flex; justify-content: space-between;
            font-size: 15px; padding: 10px 0;
            border-bottom: 1px dashed #e5e7eb;
        }
        .spec-val { font-weight: 700; color: var(--text-main); }
        .spec-val.green { color: #22c55e; }

        /* Хит продаж */
        .product-card.hit { border: 2px solid var(--primary); position: relative; }
        .hit-badge {
            position: absolute; top: 0; left: 50%; transform: translateX(-50%);
            background: var(--primary); color: white; font-size: 11px; font-weight: 700;
            padding: 4px 15px; border-bottom-left-radius: 10px; border-bottom-right-radius: 10px;
            letter-spacing: 1px;
            box-shadow: 0 4px 10px rgba(0, 94, 184, 0.3);
        }

        /* --- 9. QUALITY --- */
        .quality-flex { display: flex; flex-direction: row-reverse; gap: 80px; align-items: center; }
        .qual-list li { margin-bottom: 15px; display: flex; gap: 15px; font-size: 16px; align-items: center; }
        .qual-list i { font-size: 18px; }

        /* --- 10. LEAD FORM --- */
        .form-section {
            background: linear-gradient(135deg, var(--primary) 0%, #003d7a 100%);
            color: var(--white); position: relative; overflow: hidden;
        }
        .form-container { display: flex; gap: 80px; align-items: center; position: relative; z-index: 2; }
        .form-text { flex: 1; }
        .form-stats { display: flex; gap: 40px; margin-top: 40px; border-top: 1px solid rgba(255,255,255,0.1); padding-top: 30px; }
        
        .form-card {
            flex: 0.8; background: var(--white); padding: 50px;
            border-radius: var(--radius); color: var(--text-main);
            box-shadow: 0 30px 60px -15px rgba(0, 0, 0, 0.3);
        }
        .form-input {
            width: 100%; padding: 18px; margin-bottom: 20px;
            border: 2px solid #f3f4f6; border-radius: 10px; background: #f9fafb;
            font-size: 16px; outline: none; transition: var(--transition);
        }
        .form-input:focus { border-color: var(--primary); background: #fff; }

        /* --- 11. FOOTER --- */
        .footer { background-color: #111827; color: #9ca3af; padding: 80px 0 30px; }
        .footer-grid {
            display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 50px; padding-bottom: 50px; border-bottom: 1px solid #374151;
        }
        .footer-title { color: var(--white); font-weight: 800; margin-bottom: 25px; text-transform: uppercase; font-size: 14px; letter-spacing: 1px; }
        .footer-links li { margin-bottom: 12px; }
        .footer-links a:hover { color: var(--white); text-decoration: underline; }
        .socials { display: flex; gap: 15px; margin-top: 20px; }
        .social-link {
            width: 40px; height: 40px; background: #1f2937; border-radius: 50%;
            display: flex; align-items: center; justify-content: center; transition: 0.3s;
        }
        .social-link:hover { background: var(--primary); color: white; transform: translateY(-3px); }

        /* --- 12. MODAL --- */
        .modal {
            display: none; position: fixed; top: 0; left: 0; width: 100%; height: 100%;
            background: rgba(0,0,0,0.7); backdrop-filter: blur(5px); z-index: 2000;
            align-items: center; justify-content: center; padding: 20px;
        }
        .modal-active { display: flex; }
        .modal-content {
            background: var(--white); padding: 50px; border-radius: 20px;
            width: 100%; max-width: 480px; position: relative;
            animation: slideUp 0.3s cubic-bezier(0.16, 1, 0.3, 1);
            box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
        }
        @keyframes slideUp { from { transform: translateY(40px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }
        .close-modal {
            position: absolute; top: 20px; right: 25px; font-size: 32px;
            color: #d1d5db; background: none; transition: 0.2s;
        }
        .close-modal:hover { color: var(--text-main); }

        /* --- MEDIA QUERIES --- */
        @media (max-width: 992px) {
            .hero-title { font-size: 42px; }
            .tech-flex, .eco-flex, .quality-flex, .form-container { flex-direction: column; text-align: center; gap: 40px; }
            .header-phone, .nav { display: none; } /* Упрощение для мобильных */
            .header-inner { justify-content: center; }
            .logo { margin-right: auto; }
            .header-actions { margin-left: auto; }
            .hero-btns { justify-content: center; }
            .hero-features { justify-content: center; }
            .form-stats { justify-content: center; }
            
            /* Сброс сетки каталога на мобильных */
            .catalog-grid { grid-template-columns: 1fr; }
            .product-card.span-full { grid-column: span 1; flex-direction: column; }
            .product-card.span-full .prod-visual { width: 100%; height: 180px; margin-bottom: 20px; }
        }