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

html {
    scroll-behavior: smooth;
}

body {
    background: #fff;
    color: #000;
    font-family: Georgia, "Times New Roman", serif;
    line-height: 1.7;
}

/* =========================
   CABEÇALHO / MENU
   ========================= */

.site-header {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1001;
    width: 100%;
    height: 55px;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: 12px;
    background: #fff;
    padding: 0 20px;
}

.home-button {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    text-decoration: none;
    flex-shrink: 0;
}

.home-button img {
    display: block;
    width: 24px;
    height: 24px;
    object-fit: contain;
}

.menu-toggle {
    position: static;
    width: auto;
    height: 55px;
    border: 0;
    outline: 0;
    background: #fff;
    color: #000;
    padding: 0;
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    font-size: 12px;
    font-weight: 400;
    letter-spacing: 0.12em;
    text-align: left;
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
}

.menu-toggle:hover {
    text-decoration: underline;
}

/* =========================
   MENU ABERTO
   ========================= */

.side-menu {
    position: fixed;
    top: 55px;
    left: 0;
    z-index: 1000;
    width: 300px;
    min-height: 210px;
    padding: 20px 35px 35px;
    background: #fff;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.2s ease, visibility 0.2s ease;
}

.side-menu.open {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

.menu-section {
    margin-bottom: 35px;
}

.menu-title {
    margin-bottom: 12px;
    font-family: Arial, Helvetica, sans-serif;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.12em;
    color: #000;
}

.side-menu .menu-section a,
.side-menu .menu-section a:link,
.side-menu .menu-section a:visited {
    display: block;
    margin-left: 15px;
    color: #000;
    background: transparent;
    font-family: Arial, Helvetica, sans-serif;
    font-size: 12px;
    font-weight: 400;
    letter-spacing: 0.08em;
    text-decoration: none;
}

.side-menu .menu-section a:hover {
    text-decoration: underline;
}

.side-menu .menu-section a:active {
    color: #000;
}

/* =========================
   CONTEÚDO
   ========================= */

main {
    width: 100%;
    max-width: 650px;
    margin: 0 auto;
    padding: 110px 25px 100px;
}

.logo {
    display: block;
    width: 120px;
    height: auto;
    margin: 0 auto 80px;
}

.landing-logo {
    display: block;
    width: 240px;
    height: auto;
    margin: 0 auto 80px;
}

article h1 {
    margin-bottom: 45px;
    color: #000;
    font-family: Arial, Helvetica, sans-serif;
    font-size: 22px;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-align: left;
}

article p {
    margin-bottom: 25px;
    font-family: "Cormorant Garamond", Georgia, "Times New Roman", serif;
    font-size: 18px;
    font-weight: 500;
    text-align: justify;
}

article + article {
    margin-top: 100px;
}

/* =========================
   SEPARADOR
   ========================= */

.separator {
    width: 100%;
    height: 1px;
    background: #000;
    margin: 100px 0;
}

hr {
    margin: 100px 0;
    border: 0;
    border-top: 1px solid #000;
}

/* =========================
   VOLTAR
   ========================= */

.back-link {
    display: block;
    width: 100%;
    max-width: 650px;
    margin: 0 auto 35px;
    color: #000;
    font-family: Arial, Helvetica, sans-serif;
    font-size: 12px;
    font-weight: 400;
    letter-spacing: 0.12em;
    text-decoration: none;
}

.back-link:hover {
    text-decoration: underline;
}

/* =========================
   MOBILE
   ========================= */

@media (max-width: 700px) {
    .site-header {
        height: 50px;
        padding: 0 18px;
        gap: 10px;
    }

    .home-button {
        width: 22px;
        height: 22px;
    }

    .home-button img {
        width: 22px;
        height: 22px;
    }

    .menu-toggle {
        height: 50px;
        font-size: 11px;
    }

    .side-menu {
        top: 50px;
        width: 100%;
        min-height: 230px;
        padding: 20px 25px 30px;
    }

    main {
        padding: 100px 20px 80px;
    }

    .logo {
        width: 100px;
        margin-bottom: 60px;
    }

    .landing-logo {
        width: 180px;
        margin-bottom: 60px;
    }

    article h1 {
        font-size: 19px;
        margin-bottom: 35px;
    }

    article p {
        font-size: 17px;
        font-weight: 500;
        text-align: justify;
    }

    .back-link {
        margin-bottom: 30px;
        font-size: 11px;
    }
}