.interactive-header {
    text-align: center;
    padding: 3rem 5%;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    position: relative;
    overflow: hidden;
}

.interactive-header .typewriter h1 {
    font-size: 2.5rem;
    margin: 0;
    color: #333;
}

.interactive-header .typed-text {
    color: #ff6b35;
    border-right: 2px solid #ff6b35;
    animation: blink 0.7s infinite;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

.interactive-header p {
    font-size: 1.2rem;
    margin: 0.5rem 0 2rem;
    color: #666;
}

.interactive-header .tech-tag {
    background: #ff6b35;
    color: white;
    padding: 0.2rem 0.5rem;
    border-radius: 3px;
    font-weight: 600;
}

.interactive-header nav ul {
    display: flex;
    justify-content: center;
    list-style: none;
    gap: 2rem;
}

.interactive-header nav a {
    color: #333;
    text-decoration: none;
    font-weight: 500;
    padding-bottom: 0.5rem;
    position: relative;
}

.interactive-header nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: #ff6b35;
    transition: width 0.3s;
}

.interactive-header nav a:hover::after {
    width: 100%;
}

.interactive-header .language-switcher {
    position: absolute;
    top: 1rem;
    right: 1rem;
}

.interactive-header .language-switcher button {
    background: none;
    border: 1px solid #ccc;
    padding: 0.3rem 0.6rem;
    cursor: pointer;
}

.interactive-header .language-switcher button:first-child {
    background: #ff6b35;
    color: white;
    border-color: #ff6b35;
}