/* =========================================
   3. НАВІГАЦІЯ (NAVBAR)
   ========================================= */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 1.5rem 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 1000;
    transition: all 0.3s ease;
    background: transparent;
}

.navbar.scrolled {
    background: var(--bg-glass);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255,255,255,0.05);
    padding: 1rem 5%;
}

.logo {
    font-size: 1.5rem;
    font-weight: 900;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: white;
}

.logo span { color: var(--primary); }

.nav-links { display: flex; gap: 2rem; }

.nav-links a {
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    color: #ccc;
    position: relative;
}

.nav-links a:hover { color: var(--primary); }

/* Кнопки меню */
.auth-buttons { display: flex; gap: 1rem; }

.btn {
    padding: 0.6rem 1.5rem;
    border-radius: 6px;
    font-weight: 700;
    font-size: 0.85rem;
    text-transform: uppercase;
    cursor: pointer;
    display: inline-block;
    transition: 0.3s;
}

.btn-login {
    border: 1px solid rgba(255,255,255,0.3);
    color: white;
}
.btn-login:hover { background: white; color: black; border-color: white; }

.btn-register {
    background: var(--primary);
    color: black;
    border: 1px solid var(--primary);
    box-shadow: 0 0 15px rgba(0, 255, 136, 0.2);
}
.btn-register:hover {
    background: transparent;
    color: var(--primary);
    box-shadow: 0 0 25px rgba(0, 255, 136, 0.5);
}