.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    text-align: center;
    position: sticky;
    top: 0;
    background: #1a1a1a;
    z-index: 1000;
    padding: 16px 24px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: white;
}

.logo img {
    width: 48px;
    height: 48px;
    object-fit: contain;
    border-radius: 12px;
}

.logo-text {
    font-size: 24px;
    font-weight: bold;
}

nav a {
    text-decoration: none;
    color: white;
    font-size: 18px;
    font-weight: 600;
    padding: 8px 16px;
    border-radius: 8px;
}

nav a:hover {
    background-color: #2a2a2a;
}

.install-btn {
    background-color: #4759f7;
    border: none;
    color: white;
    border-radius: 8px;
    padding: 8px 12px;
    font-size: 14px;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-weight: bold;
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.install-btn:hover {
    background-color: #5a95f5;
}