/* Navegação */
        .main-navbar {
            min-height: 78px;
            background: rgba(255, 255, 255, .96);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(217, 224, 230, .9);
            box-shadow: 0 4px 20px rgba(0, 30, 43, .05);
        }
        .navbar-brand img { display: block; max-height: 78px; width: auto; }
        .navbar-nav .nav-link {
            color: #3e4953;
            font-size: .88rem;
            font-weight: 700;
            padding: .7rem .9rem !important;
        }
        .navbar-nav .nav-link:hover,
        .navbar-nav .nav-link:focus { color: var(--weet-primary); }
        .navbar-toggler { border: 0; box-shadow: none !important; }
        .btn-weet {
            border: 0;
            border-radius: .75rem;
            color: #fff;
            background: var(--weet-primary);
            font-weight: 700;
            padding: .8rem 1.3rem;
            transition: .25s ease;
        }
        .btn-weet:hover { color: #fff; background: var(--weet-primary-hover); transform: translateY(-2px); }
        .btn-weet-light {
            background: var(--weet-cyan);
            color: #00384c;
            border: 0;
            border-radius: .8rem;
            font-weight: 800;
            padding: .95rem 1.5rem;
        }
        .btn-weet-light:hover { background: var(--weet-cyan-light); color: #00384c; }
        .btn-weet-outline {
            color: #fff;
            border: 1px solid rgba(255,255,255,.65);
            border-radius: .8rem;
            font-weight: 700;
            padding: .9rem 1.5rem;
        }
        .btn-weet-outline:hover { color: var(--weet-dark); background: #fff; border-color: #fff; }