:root {
            --primary-dark: #0b2b4f;
            --primary-red: #d32f2f;
            --primary-red-hover: #b71c1c;
            --text-dark: #1e293b;
            --text-light: #5e6f88;
            --bg-light: #f9fafc;
        }

        body {
            background-color: var(--bg-light);
            color: var(--text-dark);
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
        }

        /* Header */
        .header {
            background: white;
            box-shadow: 0 4px 20px rgba(0,0,0,0.02);
            padding: 16px 0;
            position: sticky;
            top: 0;
            z-index: 1030;
            border-bottom: 1px solid #eef2f6;
        }

        .logo-icon {
            background: var(--primary-dark);
            color: white;
            width: 50px;
            height: 50px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 24px;
            overflow: hidden;
        }

        .logo-icon img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .logo-text h1 {
            font-size: clamp(18px, 4vw, 22px);
            font-weight: 700;
            color: var(--primary-dark);
            letter-spacing: -0.01em;
            line-height: 1.2;
            margin: 0;
        }

        .logo-text span {
            font-size: clamp(11px, 3vw, 14px);
            color: var(--text-light);
            display: block;
            line-height: 1.2;
        }

        .phone-block {
            text-align: right;
        }

        .phone-block a {
            font-weight: 700;
            font-size: clamp(16px, 4vw, 20px);
            color: var(--primary-dark);
            text-decoration: none;
            transition: color 0.2s;
            white-space: nowrap;
        }

        .phone-block a:hover {
            color: var(--primary-red);
        }

        .phone-block small {
            font-size: clamp(10px, 2.5vw, 13px);
            color: var(--text-light);
            display: block;
        }

        .btn-outline-custom {
            background: transparent;
            border: 1.5px solid var(--primary-dark);
            color: var(--primary-dark);
            padding: 8px 20px;
            border-radius: 40px;
            font-weight: 600;
            font-size: 14px;
            transition: 0.2s;
            text-decoration: none;
            white-space: nowrap;
        }

        .btn-outline-custom:hover {
            background: var(--primary-dark);
            color: white;
        }

        /* Hero секция */
        .hero {
            padding: 40px 0 40px;
            background: linear-gradient(145deg, #ffffff 0%, #f2f6fe 100%);
            border-bottom: 1px solid #e0e9f2;
        }

        .hero-badge {
            background: rgba(211, 47, 47, 0.1);
            color: var(--primary-red);
            font-weight: 600;
            font-size: 14px;
            padding: 6px 14px;
            border-radius: 60px;
            display: inline-block;
            margin-bottom: 20px;
            border: 1px solid rgba(211, 47, 47, 0.2);
        }

        .hero-content h2 {
            font-size: clamp(28px, 6vw, 44px);
            font-weight: 800;
            line-height: 1.2;
            color: #0b1f33;
            margin-bottom: 20px;
        }

        .hero-highlight {
            color: var(--primary-red);
        }

        .hero-desc {
            font-size: clamp(16px, 4vw, 18px);
            color: #334155;
            margin-bottom: 30px;
        }

        .features-mini {
            display: flex;
            flex-wrap: wrap;
            gap: 15px 25px;
            margin-bottom: 32px;
        }

        .features-mini-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 500;
            color: var(--text-dark);
            font-size: clamp(14px, 3.5vw, 16px);
        }

        .features-mini-item i {
            color: var(--primary-dark);
            font-weight: 700;
            font-size: 20px;
        }

        .btn-primary-custom {
            background: var(--primary-red);
            border: none;
            color: white;
            font-weight: 600;
            padding: 12px 28px;
            border-radius: 60px;
            font-size: 16px;
            box-shadow: 0 8px 16px -6px rgba(211, 47, 47, 0.5);
            transition: 0.2s;
            border: 1px solid var(--primary-red);
            text-decoration: none;
            display: inline-block;
            width: 100%;
            text-align: center;
        }

        .btn-primary-custom:hover {
            background: var(--primary-red-hover);
            box-shadow: 0 8px 18px -4px var(--primary-red-hover);
            border-color: var(--primary-red-hover);
            color: white;
        }

        .btn-secondary-custom {
            background: white;
            border: 1.5px solid #cbd5e1;
            color: var(--text-dark);
            font-weight: 600;
            padding: 12px 28px;
            border-radius: 60px;
            font-size: 16px;
            transition: 0.2s;
            text-decoration: none;
            display: inline-block;
            width: 100%;
            text-align: center;
        }

        .btn-secondary-custom:hover {
            border-color: var(--primary-dark);
            background: #f8fafc;
        }

        .hero-image {
            background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 400 300"><rect width="400" height="300" fill="%231b2f4a" rx="20"/><circle cx="200" cy="130" r="48" fill="%232a3f60"/><circle cx="200" cy="130" r="28" fill="%233f5a82"/><path d="M160 190 L240 190 L220 240 L180 240 Z" fill="%23333f5a"/><rect x="150" y="120" width="100" height="8" rx="4" fill="%23b0c4de"/><circle cx="130" cy="100" r="10" fill="%23d32f2f"/><circle cx="270" cy="100" r="10" fill="%23d32f2f"/><circle cx="200" cy="80" r="8" fill="%23ffaa33"/><text x="140" y="280" fill="%23aabbcc" font-family="monospace" font-size="20">Hikvision</text></svg>') no-repeat center/contain;
            min-height: 200px;
            border-radius: 24px;
            width: 100%;
        }

        /* Бренды */
        .brands {
            background: white;
            padding: 40px 0;
            border-bottom: 1px solid #eef2f6;
        }

        .brands-title {
            text-align: center;
            font-size: clamp(16px, 4vw, 18px);
            color: var(--text-light);
            margin-bottom: 24px;
            font-weight: 400;
        }

        .brands-grid {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            align-items: center;
            gap: 20px 30px;
        }

        .brand-item {
            font-weight: 700;
            font-size: clamp(20px, 5vw, 26px);
            color: #2d3f5e;
            opacity: 0.8;
            transition: 0.2s;
        }

        /* Услуги */
        .services, .equipment, .about-clients {
            padding: 50px 0;
        }

        .section-title {
            font-size: clamp(28px, 6vw, 36px);
            font-weight: 700;
            color: var(--primary-dark);
            margin-bottom: 18px;
            text-align: center;
        }

        .section-sub {
            text-align: center;
            max-width: 680px;
            margin: 0 auto 40px;
            color: #475569;
            font-size: clamp(16px, 4vw, 18px);
        }

        .service-card {
            background: #f9fbfe;
            border-radius: 28px;
            padding: 30px 24px;
            border: 1px solid #e7edf4;
            transition: all 0.2s;
            height: 100%;
        }

        .service-card:hover {
            border-color: #b0c4de;
            background: white;
            box-shadow: 0 12px 24px -12px rgba(11, 43, 79, 0.2);
        }

        .service-icon {
            font-size: 40px;
            margin-bottom: 18px;
        }

        .service-card h3 {
            font-size: 22px;
            margin-bottom: 12px;
            color: var(--primary-dark);
        }

        /* Оборудование */
        .equipment {
            background: #f0f4fa;
        }

        .eq-item {
            background: white;
            padding: 12px 24px;
            border-radius: 60px;
            font-weight: 700;
            font-size: clamp(18px, 4vw, 24px);
            color: var(--primary-dark);
            box-shadow: 0 4px 8px rgba(0,0,0,0.02);
            border: 1px solid #dce5f0;
            display: inline-flex;
            align-items: center;
            gap: 12px;
            margin: 5px;
        }

        .eq-item span {
            background: var(--primary-red);
            color: white;
            font-size: 12px;
            padding: 4px 12px;
            border-radius: 40px;
        }

        /* О компании */
        .client-types {
            background: #f3f7fd;
            padding: 32px 28px;
            border-radius: 32px;
            height: 100%;
        }

        .type-badge {
            background: white;
            padding: 14px 18px;
            border-radius: 60px;
            margin-bottom: 12px;
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 10px;
            box-shadow: 0 2px 6px rgba(0,0,0,0.02);
        }

        /* Контакты */
        .contact-section {
            padding: 50px 0;
            background: var(--primary-dark);
            color: white;
        }

        .contact-form {
            background: rgba(255,255,255,0.08);
            padding: 32px;
            border-radius: 36px;
            backdrop-filter: blur(4px);
        }

        .form-control-custom {
            width: 100%;
            padding: 16px 20px;
            background: white;
            border: none;
            border-radius: 40px;
            font-size: 16px;
            margin-bottom: 16px;
        }

        textarea.form-control-custom {
            border-radius: 28px;
            resize: vertical;
        }

        .form-btn {
            background: var(--primary-red);
            color: white;
            font-weight: 700;
            padding: 16px 30px;
            border: none;
            border-radius: 60px;
            font-size: 16px;
            cursor: pointer;
            width: 100%;
            transition: 0.2s;
        }

        .form-btn:hover {
            background: var(--primary-red-hover);
        }

        .footer {
            background: #051524;
            color: #a0b8cc;
            padding: 28px 0;
            text-align: center;
            font-size: 14px;
            border-top: 1px solid #1f3545;
        }

        .contact-detail {
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 14px;
            word-break: break-word;
        }

        .contact-detail a {
            color: white;
            text-decoration: none;
        }

        /* Bootstrap Icons замена стандартным символам */
        .bi-check-lg {
            color: var(--primary-dark);
            font-size: 1.2rem;
        }

        /* Мобильные оптимизации */
        @media (max-width: 768px) {
            .hero-cta .col-12 {
                margin-bottom: 10px;
            }

            .contact-header {
                flex-direction: column;
                align-items: stretch;
                gap: 10px;
            }

            .phone-block {
                text-align: center;
            }

            .btn-outline-custom {
                text-align: center;
            }

            .brands-grid {
                gap: 15px;
            }

            .brand-item {
                font-size: 20px;
            }

            .equipment-grid {
                gap: 10px;
            }
        }

        /* Анимация для уведомлений */
        @keyframes slideIn {
            from {
                opacity: 0;
                transform: translateY(-10px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .form-notification {
            animation: slideIn 0.3s ease;
        }