:root {
            --azul-escuro: #021b3b;
            --azul: #1ea4ff;
            --branco: #ffffff;
            --cinza: #f3f5fa;
            --cinza-escuro: #1c1f26;
            --gradiente: linear-gradient(135deg, #021b3b, #064b92);
        }

        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        body {
            font-family: Arial, Helvetica, sans-serif;
            background: var(--cinza);
            color: #222;
            line-height: 1.6;
        }

        a {
            text-decoration: none;
            color: inherit;
        }

        /* HEADER / MENU */
        header {
            background: var(--azul-escuro);
            color: var(--branco);
            position: sticky;
            top: 0;
            z-index: 999;
            box-shadow: 0 2px 10px rgba(0,0,0,0.4);
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 15px;
        }

        .top-bar {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 8px 0;
            font-size: 0.9rem;
        }

        .top-bar span {
            opacity: 0.9;
        }

        .top-bar strong {
            color: var(--azul);
        }

        nav {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 12px 0 14px;
        }

        .logo-area {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .logo-area img {
            height: 54px;
        }

        .logo-text {
            font-weight: bold;
            font-size: 1.1rem;
            letter-spacing: 1px;
        }

        .nav-links {
            display: flex;
            gap: 20px;
            font-size: 0.95rem;
        }

        .nav-links a {
            color: var(--branco);
            opacity: 0.9;
            position: relative;
        }

        .nav-links a::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: -3px;
            width: 0;
            height: 2px;
            background: var(--azul);
            transition: width 0.2s;
        }

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

        .nav-cta {
            background: var(--azul);
            color: var(--branco);
            padding: 8px 16px;
            border-radius: 20px;
            font-size: 0.9rem;
            font-weight: bold;
        }

        /* BOTÃO MOBILE */
        .menu-toggle {
            display: none;
            flex-direction: column;
            gap: 4px;
            cursor: pointer;
        }

        .menu-toggle span {
            width: 22px;
            height: 2px;
            background: var(--branco);
        }

        /* HERO */
        .hero {
            background: var(--gradiente);
            color: var(--branco);
            padding: 60px 0 40px;
        }

        .hero-inner {
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .hero h1 {
            font-size: 2.4rem;
            margin-bottom: 15px;
        }

        .hero h1 span {
            color: var(--azul);
        }

        .hero p {
            margin-bottom: 16px;
            max-width: 480px;
            opacity: 0.97;
        }

        .hero-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin: 12px 0 18px;
        }

        .badge {
            border-radius: 20px;
            border: 1px solid rgba(255,255,255,0.25);
            padding: 4px 10px;
            font-size: 0.8rem;
            backdrop-filter: blur(3px);
        }

        .hero-highlight {
            background: rgba(0,0,0,0.3);
            border-radius: 14px;
            padding: 12px 14px;
            display: inline-flex;
            flex-direction: column;
            gap: 6px;
            margin-bottom: 18px;
        }

        .hero-highlight strong {
            color: #ffe66b;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }

        .btn-primary {
            background: var(--azul);
            color: var(--branco);
            padding: 10px 18px;
            border-radius: 25px;
            font-weight: bold;
            font-size: 0.95rem;
        }

        .btn-outline {
            border: 1px solid rgba(255,255,255,0.6);
            color: var(--branco);
            padding: 10px 18px;
            border-radius: 25px;
            font-size: 0.95rem;
        }

        .hero-side {
            position: relative;
        }

        .hero-side img {
            width: 100%;
            max-height: 320px;
            object-fit: cover;
            border-radius: 20px;
            box-shadow: 0 20px 35px rgba(0,0,0,0.45);
            border: 3px solid rgba(255,255,255,0.2);
        }

        .hero-tag {
            position: absolute;
            bottom: 12px;
            left: 12px;
            background: rgba(2, 27, 59, 0.9);
            padding: 8px 12px;
            border-radius: 10px;
            font-size: 0.8rem;
        }

        /* BANNER ROTATIVO */
        .banner-rotativo {
            background: var(--cinza);
            padding: 30px 0;
        }

        .banner-box {
            background: var(--azul-escuro);
            color: var(--branco);
            border-radius: 18px;
            padding: 16px;
            position: relative;
            overflow: hidden;
        }

        .slides {
            position: relative;
            height: 160px;
        }

        .slide {
            position: absolute;
            inset: 0;
            opacity: 0;
            transition: opacity 0.5s;
            display: flex;
            align-items: center;
            gap: 25px;
        }

        .slide.active {
            opacity: 1;
        }

        .slide img {
            width: 190px;
            height: 120px;
            object-fit: cover;
            border-radius: 14px;
            border: 2px solid rgba(255,255,255,0.25);
        }

        .slide h3 {
            margin-bottom: 7px;
        }

        .slide p {
            font-size: 0.9rem;
            opacity: 0.92;
        }

        .dots {
            position: absolute;
            right: 15px;
            bottom: 10px;
            display: flex;
            gap: 5px;
        }

        .dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            border: 1px solid rgba(255,255,255,0.7);
            cursor: pointer;
        }

        .dot.active {
            background: var(--azul);
            border-color: var(--azul);
        }

        /* PLANOS */
        section {
            padding: 40px 0;
        }

        section h2 {
            text-align: center;
            margin-bottom: 10px;
            font-size: 1.8rem;
            color:#0b85de;
        }

        section .subtitle {
            text-align: center;
            font-size: 0.95rem;
            margin-bottom: 30px;
            color: #0b85de;
        }

        .planos-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
        }

        .plano-card {
            background: var(--branco);
            border-radius: 16px;
            padding: 18px 16px;
            box-shadow: 0 8px 18px rgba(0,0,0,0.08);
            border-top: 4px solid var(--azul);
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .plano-card h3 {
            font-size: 1.2rem;
            color: var(--azul-escuro);
        }

        .plano-card .mbps {
            font-size: 0.9rem;
            opacity: 0.7;
        }

        .plano-card .preco {
            font-size: 1.6rem;
            font-weight: bold;
            margin: 6px 0;
            color: var(--azul-escuro);
        }

        .plano-card .preco span {
            font-size: 0.8rem;
            font-weight: normal;
        }

        .plano-card ul {
            list-style: none;
            font-size: 0.85rem;
            color: #444;
        }

        .plano-card ul li::before {
            content: "• ";
            color: var(--azul);
        }

        .plano-card .btn-plano {
            margin-top: 10px;
            background: var(--azul);
            color: var(--branco);
            border-radius: 20px;
            text-align: center;
            padding: 8px 0;
            font-size: 0.9rem;
            font-weight: bold;
        }

        .fidelidade {
            margin-top: 16px;
            text-align: center;
            font-size: 0.9rem;
            background: #e0f2ff;
            border-radius: 10px;
            padding: 10px;
            color: #04406c;
        }

        /* MONITORAMENTO */
        .monitoramento {
            background: var(--azul-escuro);
            color: var(--branco);
        }

        .monitoramento .subtitle {
            color: #dfefff;
        }

        .monitoramento-inner {
            display: grid;
            grid-template-columns: 1.3fr 1fr;
            gap: 30px;
            align-items: center;
        }

        .monitoramento-box {
            background: rgba(0,0,0,0.25);
            border-radius: 16px;
            padding: 18px 16px;
        }

        .monitoramento-box ul {
            list-style: none;
            font-size: 0.9rem;
        }

        .monitoramento-box li {
            margin-bottom: 6px;
        }

        .monitoramento-box li::before {
            content: "✓ ";
            color: #52ff9a;
        }

        .monitoramento-callout {
            font-size: 0.9rem;
            margin-top: 10px;
            opacity: 0.95;
        }

        .monitoramento-img img {
            width: 100%;
            max-height: 260px;
            object-fit: cover;
            border-radius: 18px;
            box-shadow: 0 14px 30px rgba(0,0,0,0.6);
        }

        /* QUEM SOMOS */
        .sobre-inner {
            display: grid;
            grid-template-columns: 1.4fr 1fr;
            gap: 30px;
            align-items: center;
        }

        .sobre-inner p {
            margin-bottom: 12px;
            font-size: 0.95rem;
        }

        .sobre-destaques {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 10px;
        }

        .sobre-tag {
            background: #e2f0ff;
            border-radius: 18px;
            padding: 6px 10px;
            font-size: 0.8rem;
            color: #04406c;
        }

        .sobre-fachada img {
            width: 100%;
            border-radius: 18px;
            box-shadow: 0 12px 24px rgba(0,0,0,0.25);
        }

        /* CONTATO / RODAPÉ */
        .contato {
            background: var(--cinza-escuro);
            color: var(--branco);
        }

        .contato-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr;
            gap: 30px;
            align-items: flex-start;
        }

        .contato-info p {
            font-size: 0.92rem;
            margin-bottom: 6px;
        }

        .contato-info strong {
            color: var(--azul);
        }

        .contato-whats {
            margin: 12px 0;
        }

        .contato-whats a {
            display: inline-block;
            background: #25d366;
            color: #fff;
            padding: 9px 16px;
            border-radius: 24px;
            font-size: 0.9rem;
            font-weight: bold;
        }

        form {
            display: grid;
            gap: 8px;
        }

        input, textarea {
            width: 100%;
            padding: 8px;
            border-radius: 6px;
            border: none;
            font-size: 0.9rem;
        }

        textarea {
            min-height: 90px;
            resize: vertical;
        }

        button[type="submit"] {
            background: var(--azul);
            color: var(--branco);
            border: none;
            padding: 10px;
            border-radius: 6px;
            cursor: pointer;
            font-weight: bold;
            font-size: 0.9rem;
        }

        footer {
            background: #111319;
            color: #888;
            text-align: center;
            padding: 10px 0;
            font-size: 0.8rem;
        }

        /* RESPONSIVO */
        @media (max-width: 900px) {
            .hero-inner,
            .monitoramento-inner,
            .sobre-inner,
            .contato-grid {
                grid-template-columns: 1fr;
            }

            .hero {
                padding-top: 40px;
            }

            .hero h1 {
                font-size: 2rem;
            }

            .planos-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .slides {
                height: auto;
                min-height: 170px;
            }
        }

        @media (max-width: 700px) {
            .nav-links {
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: var(--azul-escuro);
                flex-direction: column;
                padding: 8px 15px 12px;
                display: none;
            }

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

            .menu-toggle {
                display: flex;
            }

            .planos-grid {
                grid-template-columns: 1fr;
            }

            .top-bar {
                flex-direction: column;
                gap: 4px;
                text-align: center;
            }

            .hero-side {
                order: -1;
            }
        }
.banner-flutuante {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 260px;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.25);
    z-index: 9999;
    padding: 10px;
    display: none; /* controla via JS */
    animation: fadeInUp 0.4s ease;
}

.banner-flutuante img {
    width: 100%;
    border-radius: 8px;
}

.banner-texto {
    margin-top: 6px;
    font-size: 14px;
    font-weight: 600;
    text-align: center;
    color: #222;
}

.banner-close {
    position: absolute;
    top: 6px;
    right: 8px;
    background: none;
    border: none;
    font-size: 22px;
    cursor: pointer;
    color: #666;
}

.banner-close:hover {
    color: #000;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Mobile */
@media (max-width: 768px) {
    .banner-flutuante {
        width: 90%;
        right: 5%;
        bottom: 15px;
    }
}