        header {
            background-color: #333333;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            padding: 12px 40px;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
        }

        .header-main-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 30px;
        }

        .logo-container {
            flex-shrink: 0;
            width: 150px;
            height: 170px;
            display: flex;
            align-items: center;
            justify-content: center;
            background-color: transparent;
            overflow: hidden;
        }

        .logo {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 6px;
            width: 150px;
            height: 110px;
            transform: scale(0.85);
        }

        .shape {
            width: 20px;
            animation: colorShift 4s infinite alternate;
        }

        .top {
            display: flex;
            align-items: flex-end;
            gap: 6px;
        }

        .shape1 { height: 12px; }
        .shape2 { height: 20px; }
        .shape3 { height: 32px; }
        .shape4 { height: 48px; }
        .shape5 { height: 72px; }
        .shape6 { height: 12px; }
        .shape7 { height: 20px; }
        .shape8 { height: 32px; }
        .shape9 { height: 48px; }
        .shape10 { height: 72px; }

        .shape1, .shape2, .shape3, .shape4, .shape5 {
            background: #1abc9c;
            clip-path: polygon(100% 0%, 100% 0%, 100% 100%, 0% 100%, 0% 30%);
        }
        .shape6, .shape7, .shape8, .shape9, .shape10 {
            background: #1abc9c;
            clip-path: polygon(0% 0%, 100% 30%, 100% 100%, 0% 100%, 0% 50%);
        }
        
        @keyframes colorShift {
            0% { background-color: #1abc9c; }
            25% { background-color: #3498db; }
            50% { background-color: #DCDCDC; }
            75% { background-color: #F5F227; }
            100% { background-color: #1abc9c; }
        }

        .text h1, .text p {
            text-align: center;
            font-weight: bold;
            background: linear-gradient(45deg, transparent, #fff, transparent);
            background-size: 100% 100%;
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            animation: diagonalWhite 4s infinite linear;
        }

        .text h1 { 
            font-size: 20px; 
            margin: 0; 
            line-height: 1;
        }
        .text p { 
            font-size: 16px; 
            margin: 0;
            line-height: 1.2;
        }

        @keyframes diagonalWhite {
            0% { background-position: 0% 0%; }
            100% { background-position: 200% 200%; }
        }

        .bottom {
            display: flex;
            align-items: flex-start;
            gap: 6px;
        }

        .bottom .shape {
            transform: scaleY(-1);
        }

        .menu-container {
            flex: 1;
            display: flex;
        }

        .menu {
            display: flex;
        }

        .menu ul {
            list-style: none;
            display: flex;
            gap: 30px;
            flex-wrap: wrap;
            margin: 0;
            padding: 0;
        }

        .menu ul li a {
            color: #ffffff;
            text-decoration: none;
            font-size: 28px;
            font-family: 'Times New Roman', Times, serif;
            text-align: center;
            transition: all 0.3s ease;
            padding: 8px 0;
            position: relative;
        }

        .menu ul li a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background-color: #ffd700;
            transition: var(--transition);
        }

        .menu ul li a:hover::after {
            width: 100%;
        }

        .menu ul li a:hover {
            color: #ffd700;
            transform: translateY(-2px);
        }

        .lang-switcher {
            display: flex;
            gap: 8px;
            background: rgba(255,255,255,0.1);
            padding: 5px 10px;
            border-radius: 30px;
            flex-shrink: 0;
        }

        .lang-btn {
            background: none;
            border: none;
            color: white;
            cursor: pointer;
            padding: 5px 12px;
            border-radius: 20px;
            font-size: 14px;
            font-weight: bold;
            transition: all 0.3s;
        }

        .lang-btn.active {
            background: #ff6b6b;
            color: white;
        }

        .lang-btn:hover:not(.active) {
            background: rgba(255,255,255,0.2);
        }

        @media (max-width: 768px) {
            header {
                padding: 15px 20px;
            }
            .header-main-container {
                flex-direction: column;
                gap: 15px;
            }
            .logo-container {
                width: 140px;
                height: 150px;
            }
            .menu-container {
                justify-content: center;
                width: 100%;
            }
            .menu ul {
                gap: 15px;
                justify-content: center;
            }
            .menu ul li a {
                font-size: 16px;
            }
            .lang-switcher {
                order: 3;
            }
            .shape {
                width: 16px;
            }
            .shape1, .shape6 { height: 10px; }
            .shape2, .shape7 { height: 16px; }
            .shape3, .shape8 { height: 26px; }
            .shape4, .shape9 { height: 40px; }
            .shape5, .shape10 { height: 60px; }
            .text h1 { font-size: 20px; }
            .text p { font-size: 8px; }
        }
