/* =========================
GLOBAL
========================= */

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: #f4f6f8;
    color: #333;
    margin: 0;
}

h1, h2, h3, h4, h5 {
    font-weight: 700;
}

a {
    text-decoration: none;
}

.section-title {
    font-size: 34px;
    margin-bottom: 15px;
    position: relative;
}

    .section-title::after {
        content: "";
        width: 60px;
        height: 4px;
        background: #ffc107;
        display: block;
        margin-top: 10px;
    }

.section-text {
    font-size: 18px;
    color: #666;
}


/* =========================
NAVBAR
========================= */

.navbar {
    background: #111;
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 3px 10px rgba(0,0,0,.15);
    transition: all .3s ease;
}

    .navbar.scrolled {
        background: #000;
        padding: 8px 0;
        box-shadow: 0 5px 15px rgba(0,0,0,.4);
    }

/* LOGO */

.logo-navbar {
    height: 42px;
    width: auto;
}

.brand-text {
    color: #ffc107;
    font-weight: 700;
    letter-spacing: 2px;
    font-size: 20px;
}

/* MENU */

.navbar-nav {
    margin-left: 40px;
}

    .navbar-nav .nav-item {
        margin-right: 20px;
    }

    .navbar-nav .nav-link {
        color: #fff;
        font-size: 17px;
        font-weight: 500;
        position: relative;
        transition: .3s;
    }

        .navbar-nav .nav-link:hover {
            color: #ffc107;
        }

        .navbar-nav .nav-link::after {
            content: "";
            width: 0;
            height: 2px;
            background: #ffc107;
            position: absolute;
            left: 0;
            bottom: -6px;
            transition: .3s;
        }

        .navbar-nav .nav-link:hover::after {
            width: 100%;
        }

.menu-central {
    gap: 25px;
}

.navbar-whatsapp {
    margin-left: auto;
}


/* =========================
BOTÃO WHATSAPP NAVBAR
========================= */

.btn-whatsapp {
    background: #25D366;
    color: white;
    font-weight: 600;
    border-radius: 6px;
    padding: 9px 20px;
    transition: .3s;
    border: none;
}

    .btn-whatsapp:hover {
        background: #1ebe5b;
        color: white;
        transform: translateY(-2px);
    }


/* =========================
WHATSAPP FLUTUANTE
========================= */

.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 62px;
    height: 62px;
    background: #25D366;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    z-index: 999;
    box-shadow: 0 6px 18px rgba(0,0,0,.35);
    transition: .3s;
}

    .whatsapp-float:hover {
        transform: scale(1.1);
    }


/* =========================
HERO (UPGRADE PROFISSIONAL)
========================= */
/* =========================
HERO (UPGRADE PROFISSIONAL AJUSTADO)
========================= */

.hero {
    height: 520px;
    background-image: url('/img/security-bg.jpg');
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
    position: relative;
}

    /* overlay cinematográfico */

    /*.hero::before {
        content: "";
        position: absolute;
        inset: 0;
        background: linear-gradient( 180deg, rgba(0,0,0,.55), rgba(0,0,0,.75) );
    }
*/
/* TAMANHO ORIGINAL MANTIDO */

.hero-overlay {
    position: relative;
    background: rgba(0,0,0,.65);
    padding: 60px;
    border-radius: 10px;
    max-width: 800px;
}

.hero h1 {
    font-size: 48px;
    letter-spacing: 2px;
}

.hero p {
    font-size: 20px;
    margin-top: 10px;
}


/* =========================
SERVIÇOS (UPGRADE PREMIUM)
========================= */

.service-card {
    background: white;
    padding: 35px;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0,0,0,.08);
    transition: .35s;
    height: 100%;
    border-top: 4px solid transparent;
}

    .service-card:hover {
        transform: translateY(-8px);
        box-shadow: 0 20px 40px rgba(0,0,0,.15);
        border-top: 4px solid #ffc107;
    }

.service-icon {
    font-size: 42px;
    color: #ffc107;
    margin-bottom: 15px;
}


/* =========================
EMPRESAS ATENDIDAS
========================= */

.client-logo {
    max-height: 70px;
    opacity: .7;
    filter: grayscale(100%);
    transition: .4s;
}

    .client-logo:hover {
        opacity: 1;
        filter: grayscale(0%);
        transform: scale(1.1);
    }


/* =========================
CTA FINAL
========================= */

.cta-section {
    background: #111;
    color: white;
    padding: 70px 20px;
    text-align: center;
}

    .cta-section h2 {
        margin-bottom: 10px;
    }

    .cta-section p {
        font-size: 18px;
        color: #ccc;
    }


/* =========================
FOOTER
========================= */

.footer {
    background: #111;
    color: #ddd;
    padding: 40px 0 20px;
}

    .footer h5 {
        color: #ffc107;
    }

    .footer p {
        margin-bottom: 6px;
    }

.footer-bottom {
    text-align: center;
    margin-top: 20px;
    font-size: 14px;
}


/* =========================
REDES SOCIAIS
========================= */

.footer-social {
    margin-top: 15px;
}

.social-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: #222;
    color: #ffc107;
    border-radius: 50%;
    margin-left: 10px;
    font-size: 18px;
    transition: .3s;
}

    .social-icon:hover {
        background: #ffc107;
        color: #111;
        transform: translateY(-3px);
    }


/* =========================
RESPONSIVO
========================= */

@media (max-width:992px) {

    .navbar-nav {
        margin-left: 0;
        text-align: center;
    }

        .navbar-nav .nav-item {
            margin-right: 0;
        }
}

@media (max-width:768px) {

    .hero {
        height: 420px;
    }

        .hero h1 {
            font-size: 34px;
        }

        .hero p {
            font-size: 18px;
        }

    .hero-overlay {
        padding: 30px;
    }
}

@media (max-width:576px) {

    .hero {
        height: 380px;
    }

        .hero h1 {
            font-size: 28px;
        }
}


/* =========================
IMAGENS
========================= */

img {
    max-width: 100%;
    height: auto;
}