/* ================================================================
   NAVBAR.CSS — Estilos modernos da barra de navegação
   CyberTeens Academy | Design Refatorado
   ================================================================ */

.navbar {
    background: linear-gradient(135deg, var(--gray-900) 0%, var(--gray-800) 100%);
    padding: 0.8rem 1.5rem;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 70px;
    height: auto;
    flex-wrap: wrap;
    gap: 1rem;
    border-bottom: 2px solid rgba(13, 71, 161, 0.1);
}

/* ── LOGO ──────────────────────────────────────────– */
.navbar .logo {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    color: var(--white);
    font-weight: 800;
    font-size: 1.3rem;
    white-space: nowrap;
    letter-spacing: -0.01em;
    text-decoration: none;
    transition: all var(--transition);
}

.navbar .logo:hover {
    transform: scale(1.05);
}

.navbar .logo .shield-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-alt) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    flex-shrink: 0;
    box-shadow: 0 4px 12px rgba(13, 71, 161, 0.3);
}

/* ── LINKS DE NAVEGAÇÃO ────────────────────────────– */
.nav-links {
    display: flex;
    list-style: none;
    gap: 0.3rem;
    flex-wrap: wrap;
    justify-content: flex-end;
    margin: 0;
    align-items: center;
}

.nav-links li a {
    display: block;
    color: var(--gray-200);
    text-decoration: none;
    padding: 0.6rem 1rem;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all var(--transition-fast);
    white-space: nowrap;
    letter-spacing: 0.01em;
    position: relative;
}

.nav-links li a::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary) 0%, var(--accent) 100%);
    transition: width var(--transition-fast);
}

.nav-links li a:hover {
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
}

.nav-links li a:hover::before {
    width: 100%;
}

.nav-links li a.active {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-alt) 100%);
    color: #fff;
    font-weight: 600;
    box-shadow: 0 4px 12px rgba(13, 71, 161, 0.3);
}

.nav-links li a.active::before {
    width: 100%;
}

/* ── BOTÃO HAMBÚRGUER (mobile) ─────────────────────– */
.hamburger {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    flex-direction: column;
    gap: 6px;
    padding: 8px;
    z-index: 1001;
    transition: all var(--transition);
}

.hamburger span {
    display: block;
    width: 24px;
    height: 2.5px;
    background: var(--white);
    border-radius: 2px;
    transition: all var(--transition-fast);
    transform-origin: center;
}

/* Animação do ícone X quando o menu está aberto */
.hamburger.open span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.hamburger.open span:nth-child(2) {
    opacity: 0;
}

.hamburger.open span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* Responsividade */
@media (max-width: 768px) {
    .navbar {
        min-height: 60px;
        padding: 0.6rem 1rem;
    }

    .hamburger {
        display: flex;
    }

    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        background: var(--gray-900);
        gap: 0;
        border-bottom: 1px solid rgba(13, 71, 161, 0.1);
        box-shadow: var(--shadow-lg);
    }

    .nav-links.show {
        display: flex;
    }

    .nav-links li a {
        width: 100%;
        padding: 0.8rem 1.5rem;
        border-radius: 0;
    }
}