:root {
            --primary-color: #0b9ae7;
            --dark-color: #2b2a28;
            --light-color: #fff;
        }

        body {
            font-family: 'Montserrat', sans-serif;
            color: var(--dark-color);
            overflow-x: hidden;
        }
		
		#calculators  {
            scroll-margin-top: 80px;
        }

        .hero-section {
            background: linear-gradient(rgba(255, 255, 255, 0.5), rgba(255, 255, 255, 0.5)), url('https://kolodec.com.ua/img/header.png') no-repeat top center;
            background-size: cover;
            min-height: 100vh;
            display: flex;
            align-items: center;
            position: relative;
        }

        .navbar {
            background-color: transparent !important;
            transition: all 0.3s ease;
            padding: 20px 0;
        }

        .navbar.scrolled {
            background-color: var(--light-color) !important;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
            padding: 10px 0;
        }

        .navbar-brand img {
            height: 50px;
        }

        .nav-link {
            color: var(--dark-color) !important;
            font-weight: 500;
            margin: 0 10px;
            transition: all 0.3s;
        }

        .nav-link:hover {
            color: var(--primary-color) !important;
        }

        .hero-content {
            text-align: center;
            padding: 100px 0;
        }

        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        @keyframes subtleGlow {
            0% {
                text-shadow:
                    0 1px 3px rgba(255, 255, 255, 0.8),
                    0 0 15px rgba(255, 255, 255, 0.5);
            }
            50% {
                text-shadow:
                    0 1px 6px rgba(255, 255, 255, 0.9),
                    0 0 20px rgba(255, 255, 255, 0.7);
            }
            100% {
                text-shadow:
                    0 1px 3px rgba(255, 255, 255, 0.8),
                    0 0 15px rgba(255, 255, 255, 0.5);
            }
        }

        .hero-title {
            font-size: 3.5rem;
            font-weight: 700;
            color: var(--dark-color);
            margin-bottom: 20px;
            text-shadow:
                0 1px 3px rgba(255, 255, 255, 0.8),
                0 0 15px rgba(255, 255, 255, 0.5);
            animation:
                fadeInUp 1s ease-out forwards,
                subtleGlow 3s ease-in-out infinite;
            opacity: 0;
            animation-delay: 0.3s;
        }

        .hero-subtitle {
            font-size: 1.5rem;
            color: var(--dark-color);
            margin-bottom: 30px;
            font-weight: 500;
            text-shadow:
                0 1px 2px rgba(255, 255, 255, 0.8),
                0 0 10px rgba(255, 255, 255, 0.4);
            animation:
                fadeInUp 1s ease-out forwards,
                subtleGlow 3s ease-in-out infinite;
            opacity: 0;
            animation-delay: 0.6s;
        }

        .hero-buttons a {
            opacity: 0;
            transform: translateY(20px);
            animation: fadeInUp 1s ease-out forwards;
        }

        .hero-buttons a:first-child {
            animation-delay: 0.9s;
        }

        .hero-buttons a:last-child {
            animation-delay: 1.1s;
        }

        .btn-primary-custom {
            background-color: var(--primary-color);
            border: none;
            padding: 12px 30px;
            border-radius: 30px;
            font-weight: 600;
            color: var(--light-color);
            transition: all 0.3s;
            margin: 0 10px;
        }

        .btn-primary-custom:hover {
            background-color: #0885c5;
            color: var(--light-color);
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(11, 154, 231, 0.3);
        }

        .btn-outline-custom {
            border: 2px solid var(--primary-color);
            background-color: rgba(255, 255, 255, .8);
            padding: 10px 30px;
            border-radius: 30px;
            font-weight: 600;
            color: var(--primary-color);
            transition: all 0.3s;
            margin: 0 10px;
        }

        .btn-outline-custom:hover {
            background-color: var(--primary-color);
            color: var(--light-color);
            transform: translateY(-3px);
        }

        .top-contacts {
            display: flex;
            align-items: center;
        }

        .contact-item {
            display: flex;
            align-items: center;
            margin-left: 20px;
        }

        .contact-icon {
            color: var(--primary-color);
            font-size: 1.2rem;
            margin-right: 8px;
        }

        .services-sidebar {
            background-color: #f8f9fa;
            padding: 30px;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            margin-bottom: 30px;
        }

        .sidebar-title {
            font-size: 1.5rem;
            color: var(--dark-color);
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--primary-color);
        }

        .service-list {
            list-style: none;
            padding: 0;
        }

        .service-item {
            margin-bottom: 15px;
        }

        .service-link {
            color: var(--dark-color);
            text-decoration: none;
            transition: all 0.3s;
            display: flex;
            align-items: center;
        }

        .service-link:hover {
            color: var(--primary-color);
            transform: translateX(5px);
        }

        .service-icon {
            margin-right: 10px;
            color: var(--primary-color);
        }

        .calculator-card {
            background-color: var(--light-color);
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            padding: 25px;
            margin-bottom: 30px;
            border-top: 4px solid var(--primary-color);
        }

        .calculator-title {
            font-size: 1.3rem;
            color: var(--dark-color);
            margin-bottom: 20px;
        }

        .form-label {
            font-weight: 500;
        }

        .form-control {
            border-radius: 5px;
            padding: 10px 15px;
            border: 1px solid #ddd;
        }

        .form-control:focus {
            border-color: var(--primary-color);
            box-shadow: 0 0 0 0.25rem rgba(11, 154, 231, 0.25);
        }

        .calculator-result {
            background-color: #f8f9fa;
            padding: 15px;
            border-radius: 5px;
            margin-top: 20px;
            font-weight: 600;
            color: var(--primary-color);
            display: none;
        }

        .language-switcher {
            margin-left: 20px;
        }

        .language-btn {
            background: none;
            border: none;
            color: var(--dark-color);
            font-weight: 500;
            padding: 5px 10px;
            border-radius: 5px;
            transition: all 0.3s;
        }

        .language-btn:hover, .language-btn.active {
            background-color: var(--primary-color);
            color: var(--light-color);
        }

        .content-section {
            background-color: #f8f9fa;
        }

        .projects-slider {
            margin: 0 -15px;
        }

        .project-item {
            padding: 0 15px;
            position: relative;
        }

        .project-info {
            background-color: var(--light-color);
            padding: 20px;
            border-radius: 0 0 8px 8px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            margin-top: -5px;
        }

        .project-info h4 {
            color: var(--primary-color);
            margin-bottom: 10px;
        }

        .feature-item {
            text-align: center;
            padding: 30px 20px;
            background-color: var(--light-color);
            border-radius: 8px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            margin-bottom: 30px;
            transition: all 0.3s;
        }

        .feature-item:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
        }

        .feature-icon {
            font-size: 2.5rem;
            color: var(--primary-color);
            margin-bottom: 20px;
        }

        .feature-item h4 {
            margin-bottom: 15px;
            color: var(--dark-color);
        }

        .footer {
            background-color: var(--dark-color);
        }

        .footer-logo {
            filter: brightness(0) invert(1);
        }

        .footer h5 {
            color: var(--light-color);
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 10px;
        }

        .footer h5::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 50px;
            height: 2px;
            background-color: var(--primary-color);
        }

        .footer a {
            text-decoration: none;
            transition: all 0.3s;
        }

        .footer a:hover {
            color: var(--primary-color) !important;
        }

        .social-links a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background-color: rgba(255, 255, 255, 0.1);
            transition: all 0.3s;
        }

        .social-links a:hover {
            background-color: var(--primary-color);
            transform: translateY(-3px);
        }

        .messenger-icons {
            position: fixed;
            right: 15px;
            bottom: 15px;
            display: flex;
            flex-direction: column;
            z-index: 999;
            transition: all 0.3s ease;
        }

        .messenger-icons a {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 10px;
            color: white;
            font-size: 24px;
            box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
            transition: all 0.3s ease;
            text-decoration: none;
        }

        .messenger-icons a:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 15px rgba(0, 0, 0, 0.3);
            text-decoration: none;
        }

        .viber-icon {
            background-color: #7360F2;
        }

        .telegram-icon {
            background-color: #2AABEE;
        }

        .whatsapp-icon {
            background-color: #25D366;
        }

        .go-to-top {
            position: fixed;
            right: 15px;
            bottom: 15px;
            width: 50px;
            height: 50px;
            background-color: var(--primary-color);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            cursor: pointer;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s ease;
            box-shadow: 0 4px 10px rgba(11, 154, 231, 0.3);
            z-index: 999;
        }

        .go-to-top.active {
            opacity: 1;
            visibility: visible;
        }

        .go-to-top:hover {
            background-color: #0885c5;
            transform: translateY(-5px);
            box-shadow: 0 8px 15px rgba(11, 154, 231, 0.4);
        }

        .go-to-top.active ~ .messenger-icons {
            bottom: 140px;
        }

        .mobile-drawer {
            position: fixed;
            top: 0;
            left: -320px;
            width: 300px;
            height: 100%;
            background-color: var(--light-color);
            z-index: 1050;
            transition: all 0.3s ease;
            overflow-y: auto;
            box-shadow: 2px 0 10px rgba(0, 0, 0, 0.1);
        }

        .mobile-drawer.open {
            left: 0;
        }

        .mobile-drawer-overlay {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-color: rgba(0, 0, 0, 0.5);
            z-index: 1040;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s ease;
        }

        .mobile-drawer-overlay.open {
            opacity: 1;
            visibility: visible;
        }

        .mobile-drawer-header {
            padding: 15px;
            background-color: var(--primary-color);
            color: white;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .mobile-drawer-body {
            padding: 15px;
        }

        .drawer-close-btn {
            background: none;
            border: none;
            color: white;
            font-size: 1.5rem;
        }

        .mobile-menu-btn {
            display: none;
            background: var(--primary-color);
            color: white;
            border: none;
            border-radius: 5px;
            padding: 8px 15px;
            margin-left: 10px;
        }

        .mobile-contacts {
            display: none;
            background-color: #f8f9fa; /* Изменен цвет фона */
            padding: 10px 15px;
            color: var(--dark-color);
        }

        .mobile-contact-item {
            display: flex;
            align-items: center;
            margin-bottom: 8px;
        }

        .mobile-contact-icon {
            margin-right: 10px;
            color: var(--primary-color);
        }

        @media (max-width: 992px) {
            .mobile-menu-btn {
                display: inline-block;
            }

            .services-sidebar {
                display: none;
            }

            .top-contacts {
                display: none;
            }

            .mobile-contacts {
                display: flex;
                flex-direction: column;
                justify-content: center;
                align-items: center;
                text-align: center;
            }

            .language-switcher {
                display: none;
            }

            .hero-title {
                font-size: 2.5rem;
            }

            .hero-subtitle {
                font-size: 1.2rem;
            }

            .navbar {
                display: flex;
                justify-content: space-between;
                align-items: center;
            }

            .navbar-brand {
                order: 1;
            }

            .mobile-menu-btn {
                order: 3;
            }

            .mobile-contact-item {
                order: 2;
                justify-content: center;
            }
        }

        @media (max-width: 768px) {
            .hero-title {
                font-size: 2rem;
            }

            .hero-buttons .btn {
                display: block;
                width: 100%;
                margin: 10px 0;
            }

            .navbar-brand img {
                height: 40px;
            }

            .messenger-icons {
                right: 10px;
                bottom: 70px;
            }

            .messenger-icons a {
                width: 45px;
                height: 45px;
                font-size: 20px;
            }

            .go-to-top {
                right: 10px;
                width: 45px;
                height: 45px;
                font-size: 18px;
            }

            .go-to-top.active ~ .messenger-icons {
                bottom: 130px;
            }
        }