:root {
    --color-bg-body: #131212;
    --color-bg-header: #1c1c1c;
    --color-bg-menu: rgba(0, 0, 0, 0.96);
    --color-text: #ffffff;
    --color-border: #333;

    --header-padding: 0.75rem 1rem;
    --logo-max-h: 60px;
    --menu-width: 200px;
}


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

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: "Montserrat", sans-serif;
    font-size: 0.9rem;
    background: var(--color-bg-body);
    color: var(--color-text);
}

header {
    background: var(--color-bg-header);
    width: 100%;
}

.container {
    max-width: 1200px;
    margin-inline: auto;
    padding: var(--header-padding);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo img {
    max-height: var(--logo-max-h);
    width: auto;
}

/* right side (menu + burger) */
.navbar-right {
    display: flex;
    align-items: center;
    gap: 1rem;
}


nav.main-menu {
    position: fixed;
    inset: 0 auto 0 100%;
    width: var(--menu-width);
    height: 100vh;
    padding-top: 4.5rem;
    display: flex;
    flex-direction: column;
    background: var(--color-bg-menu);
    backdrop-filter: blur(7px);
    transition: transform 0.3s ease-in-out;
    z-index: 100;
}

nav.main-menu.is-open {
    transform: translateX(-100%);
}

nav.main-menu ul {
    list-style: none;
}

nav.main-menu li {
    border-top: 1px solid var(--color-border);
}

nav.main-menu a {
    display: block;
    padding: 1.25rem;
    text-decoration: none;
    text-transform: uppercase;
    font-weight: 600;
    letter-spacing: 0.04em;
}

nav.main-menu a:hover,
nav.main-menu a.active {
    font-weight: 700;
}


.mobile-nav {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.mobile-nav i {
    font-size: 1.25rem;
}

#burger {
    background: transparent;
    border: none;
    color: var(--color-text);
    font-size: 1.4rem;
    cursor: pointer;
}


@media (min-width: 768px) {
    nav.main-menu {
        position: static;
        inset: auto;
        width: auto;
        height: auto;
        padding: 0;
        flex-direction: row;
        background: transparent;
        backdrop-filter: none;
        transform: none;
    }

    nav.main-menu ul {
        display: flex;
    }

    nav.main-menu li {
        border: none;
    }

    nav.main-menu a {
        padding: 0.5rem 1rem;
        font-weight: 400;
    }

    .mobile-nav {
        display: none;
    }
}


/* Responsividade para telas menores */
@media (max-width: 768px) {
    .image-container {
        width: 80%;
        /* Em telas menores, a imagem pode ocupar mais largura */
        height: 450px;
        /* Ajuste a altura para telas menores */
        max-width: none;
        /* Remove a limitação de margem fixa para usar % */
    }
}

/* ---------- CORE ---------- */
footer.vt-footer {
    background: #1c1c1c;
    /* cinza escuro */
    color: #f0f0f0;
    /* texto claro */
    font-size: 0.9rem;
    width: 100%;
}

/* linha superior de destaque */
.vt-footer__accent {
    background: #f50808f8;
    /* vermelho usado no site */
    height: 3px;
    width: 100%;
}

/* ---------- GRID ---------- */
.vt-footer__grid {
    display: grid;
    gap: 2rem;
    padding: 48px 20px 32px;
    /* 3rem 1.25rem 2rem */
    max-width: 1200px;
    margin: auto;
}

/* 2 colunas em desktop, 1 em mobile */
@media (min-width: 768px) {
    .vt-footer__grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.vt-footer__col {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    text-align: center;
}

@media (min-width: 768px) {
    .vt-footer__col--contact {
        text-align: left;
    }
}

.vt-footer__logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-size: 1.2rem;
    font-weight: 600;
}

.vt-footer__logo i {
    font-size: 1.6rem;
    color: #f0f0f0;
}

.vt-social {
    display: flex;
    justify-content: center;
    gap: 0.75rem;
}

.vt-social a {
    display: grid;
    place-content: center;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.12);
    color: #f0f0f0;
    transition: background 0.3s;
}

.vt-social a:hover {
    background: #f50808f8;
}

.vt-contact__item {
    display: flex;
    gap: 0.75rem;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
}

@media (min-width: 768px) {
    .vt-contact__item {
        justify-content: flex-start;
    }
}

.vt-contact__item i {
    font-size: 1rem;
}

.vt-footer__copy {
    text-align: center;
    padding: 1rem 0 2rem;
    font-size: 0.75rem;
}