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

body {
    font-family: 'Montserrat', sans-serif;
    color: white;
    overflow: hidden;
}

/* VIDEO */
.bg-video {
    position: fixed;
    top: 50%;
    left: 50%;
    min-width: 100%;
    min-height: 100%;
    transform: translate(-50%, -50%);
    object-fit: cover;
    z-index: -2;
}

/* IMAGEM MOBILE */
.bg-image {
    display: none;
}

/* OVERLAY */
.overlay {
    position: fixed;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, rgba(0,0,0,0.85), rgba(0,0,0,0.4));
    z-index: -1;
}

/* HEADER */
header {
    position: fixed;
    width: 100%;
    padding: 20px 60px;
}

.logo {
    width: 140px;
}

/* HERO */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    padding: 0 80px;
}

/* CONTEÚDO */
.content {
    max-width: 600px;
}

/* TÍTULO ESTILO MARCA */
h1 {
    font-size: 70px;
    font-weight: 900;
    line-height: 1;

    color: #ff1a1a;

    text-shadow:
        0 0 10px rgba(255,0,0,0.6),
        0 0 25px rgba(255,0,0,0.4),
        0 10px 40px rgba(0,0,0,0.9);
}

h1 span {
    display: block;
    font-size: 32px;
    color: white;
    letter-spacing: 4px;
    margin-top: 10px;
}

/* TEXTO */
p {
    margin: 20px 0;
    color: #ccc;
}

/* BOTÃO */
.btn {
    display: inline-block;
    padding: 15px 30px;
    background: linear-gradient(45deg, #ff0000, #ff3c3c);
    color: white;
    text-decoration: none;
    border-radius: 6px;
    transition: 0.3s;
}

.btn:hover {
    transform: scale(1.08);
    box-shadow: 0 0 30px red;
}

/* ===== MOBILE NIVEL APP ===== */

.mobile-only {
    display: none;
}

.desktop-only {
    display: block;
}

@media (max-width: 768px) {

    body {
        overflow: auto;
    }

    .desktop-only {
        display: none;
    }

    .mobile-only {
        display: block;
        position: fixed;
        width: 100%;
        height: 100%;
        object-fit: cover;
        top: 0;
        left: 0;
        z-index: -2;
    }

    header {
        text-align: center;
        padding: 15px;
    }

    .logo {
        width: 110px;
        margin: auto;
    }

    .hero {
        padding: 20px;
        justify-content: center;
        text-align: center;
    }

    .content {
        width: 100%;
    }

    h1 {
        font-size: 36px;
    }

    h1 span {
        font-size: 18px;
    }

    p {
        font-size: 14px;
    }

    .btn {
        display: block;
        width: 100%;
        padding: 18px;
        border-radius: 10px;
    }

    .overlay {
        background: rgba(0,0,0,0.75);
    }
}