/* Main Styles for Landing Page */
body {
    margin: 0;
    padding: 0;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
}

.main-nav {
    text-align: center;
    padding: 60px 20px;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.main-nav h1 {
    color: white;
    font-size: 3rem;
    margin-bottom: 10px;
}

.main-nav p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 1.2rem;
    margin-bottom: 30px;
}

.main-nav h1 {
    color: white;
    font-size: 3rem;
}

.main-nav p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 1.2rem;
}

.design-switcher {
    display: flex;
    gap: 15px;
    justify-content: center;
    flex-wrap: wrap;
}

.design-btn {
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.1);
    color: white;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.9rem;
    font-weight: 500;
}

.design-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.design-btn.active {
    background: rgba(255, 255, 255, 0.3);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

#design-container {
    min-height: calc(100vh - 200px);
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.design-frame {
    width: 100%;
    height: 100%;
    border: none;
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

@media (max-width: 768px) {
    .main-nav h1 {
        font-size: 2rem;
    }

    .design-btn {
        padding: 10px 16px;
        font-size: 0.8rem;
    }
}