:root {
    --primary: #6c5ce7;
    --primary-hover: #5848d8;
    --dark: #111827;
    --border: #e5e7eb;
}

.navbar {
    position: sticky;
    top: 0;
    z-index: 1000;

    background: rgba(255,255,255,.92);
    backdrop-filter: blur(12px);

    border-bottom: 1px solid var(--border);
}

.navbar .container {
    max-width: 1200px;
    margin: 0 auto;

    height: 60px;
    padding: 0 20px;

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

.logo {
    display: flex;
    align-items: center;
    gap: 8px;

    text-decoration: none;
    color: var(--dark);

    font-size: 1.15rem;
    font-weight: 700;
}

.logo img {
    width: 32px;
    height: 32px;
    display: block;
    object-fit: contain;
}

.nav-buttons {
    display: flex;
    align-items: center;
    gap: 10px;
}

.btn-login {
    padding: 8px 16px;

    border: 1px solid var(--border);
    border-radius: 10px;

    text-decoration: none;
    color: var(--dark);

    font-size: .9rem;
    font-weight: 600;

    transition: .2s;
}

.btn-login:hover {
    background: #f8fafc;
}

.btn-register {
    padding: 8px 18px;

    border-radius: 10px;

    background: var(--primary);
    color: #fff;

    text-decoration: none;

    font-size: .9rem;
    font-weight: 600;

    transition: .2s;
}

.btn-register:hover {
    background: var(--primary-hover);
}

@media (max-width: 576px) {

    .navbar .container {
        padding: 0 15px;
    }

    .logo span {
        font-size: 1rem;
    }

    .btn-login,
    .btn-register {
        padding: 7px 12px;
        font-size: .85rem;
    }
}