/* Reset e base acessível */
* {
    box-sizing: border-box;
}

html {
    font-size: 100%;
}

body {
    margin: 0;
    font-family: "Inter", system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
    line-height: 1.6;
    color: #222;
    background: #f7f7f7;
}

:root {
    --bg: #f7f7f7;
    --text: #222;
    --primary: #b01c2e; /* Tom inspirado na paleta dos ODS */
    --primary-contrast: #ffffff;
    --card: #ffffff;
    --muted: #5a5a5a;
    --border: #e6e6e6;
}

body.alto-contraste {
    --bg: #000;
    --text: #fff;
    --primary: #ffd400;
    --primary-contrast: #000;
    --card: #111;
    --muted: #e0e0e0;
    --border: #333;
}

body {
    background: var(--bg);
    color: var(--text);
}

.container {
    width: min(1100px, 92vw);
    margin: 0 auto;
    padding: 1rem;
}

.skip-link {
    position: absolute;
    left: -999px;
    top: -999px;
}

.skip-link:focus {
    left: 1rem;
    top: 1rem;
    background: var(--primary);
    color: var(--primary-contrast);
    padding: .5rem .75rem;
    border-radius: .25rem;
}

/* Topbar */
.topbar {
    background: var(--card);
    border-bottom: 1px solid var(--border);
}

.topbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    position: relative; /* for mobile dropdown positioning */
}

.topbar h1 {
    margin: 0;
    font-size: 1.25rem;
}

.topbar .logo {
    text-decoration: none;
    color: var(--text);
}

.topbar button {
    margin-left: .5rem;
    background: var(--primary);
    color: var(--primary-contrast);
    border: none;
    border-radius: .4rem;
    padding: .5rem .75rem;
    cursor: pointer;
}

.topbar button:focus {
    outline: 3px solid #5aa9ff;
    outline-offset: 2px;
}

/* Hero */
.hero {
    padding: 2rem 0 1rem;
}

.hero-texto {
    max-width: 70ch;
}

.hero .cta {
    display: inline-block;
    margin-top: .75rem;
    background: var(--primary);
    color: var(--primary-contrast);
    padding: .6rem .95rem;
    border-radius: .45rem;
    text-decoration: none;
}

/* Cards */
.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: .6rem;
    padding: 1rem 1.25rem;
    margin: 1rem 0;
    text-align: justify;
}

.card details {
    border-top: 1px dashed var(--border);
    padding-top: .5rem;
    margin-top: .5rem;
}

.card details summary {
    cursor: pointer;
}

/* Formulários */
form label {
    display: block;
    margin: .45rem 0;
}

.quiz {
    display: flex;
    flex-direction: column;
    gap: .5rem;
}

.quiz .pergunta {
    display: flex;
    flex-direction: column;
}

button[type="button"] {
    background: var(--primary);
    color: var(--primary-contrast);
    border: none;
    border-radius: .4rem;
    padding: .6rem .9rem;
    cursor: pointer;
    margin-top: 1rem;
    max-width: fit-content;
}

output {
    display: block;
    margin-top: .5rem;
    color: var(--muted);
    font-weight: 600;
}

/* Rodapé */
.rodape {
    margin-top: 2rem;
    padding: 1.25rem 0;
    border-top: 1px solid var(--border);
}

/* Responsividade */
@media (min-width: 768px) {
    .hero {
        padding: 3rem 0 1.5rem;
    }

    .topbar h1 {
        font-size: 1.5rem;
    }
}

/* Tipografia para títulos (fonte externa) */
h1, h2, h3 {
    font-family: "Montserrat", "Inter", system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
}

/* Menu principal */
.menu-principal {
    display: none; /* mobile default: hidden */
}

/* Mobile dropdown when open */
.menu-principal.aberto {
    display: block;
    position: absolute;
    right: 1rem;
    top: 100%;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: .6rem;
    box-shadow: 0 8px 20px rgba(0, 0, 0, .08);
    padding: .5rem;
    z-index: 10;
    width: min(320px, 86vw);
}

.menu-principal ul {
    list-style: none;
    display: flex;
    flex-direction: column; /* mobile: vertical */
    gap: .25rem;
    padding: 0;
    margin: 0;
}

.menu-principal a {
    text-decoration: none;
    color: var(--text);
    padding: .6rem .65rem;
    border-radius: .4rem;
}

.menu-principal a:hover,
.menu-principal a:focus {
    background: var(--border);
}

/* Desktop layout */
@media (min-width: 1200px) {
    .menu-principal {
        display: block;
        position: static;
        border: 0;
        box-shadow: none;
        padding: 0;
        width: auto;
    }

    .menu-principal ul {
        flex-direction: row;
        gap: .75rem;
    }
}

/* Ícones simples */
.icon {
    width: 1.1em;
    height: 1.1em;
    vertical-align: -.2em;
    fill: currentColor;
}

.icon-wrap {
    display: inline-flex;
    align-items: center;
    gap: .35rem;
}

/* Galeria de imagens */
.galeria {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: .75rem;
}

.galeria figure {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: .5rem;
    overflow: hidden;
    margin: 0;
}

.galeria img {
    width: 100%;
    height: 140px;
    object-fit: cover;
    display: block;
}

.galeria figcaption {
    padding: .5rem .65rem;
    font-size: .9rem;
    color: var(--muted);
}


/* Mobile menu toggle button */
.menu-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border: 1px solid var(--border);
    background: transparent;
    color: var(--text);
    border-radius: .5rem;
    cursor: pointer;
}

.menu-toggle:focus {
    outline: 3px solid #5aa9ff;
    outline-offset: 2px;
}

@media (min-width: 1200px) {
    .menu-toggle {
        display: none;
    }
}

/* Material Icons alignment */
.material-icons {
    font-size: 1.1em; /* match inline icon size similar to previous .icon */
    vertical-align: -.2em;
    line-height: 1;
}


/* Fix root variables (ensure CSS custom properties apply) */
:root {
    --bg: #f7f7f7;
    --text: #222;
    --primary: #b01c2e;
    --primary-contrast: #ffffff;
    --card: #ffffff;
    --muted: #5a5a5a;
    --border: #e6e6e6;
}

/* Mobile header fixes */
@media (max-width: 1199px) {
    .topbar .container {
        flex-wrap: wrap;
    }

    /* Hide secondary navs to avoid crowding on small screens */
    .topbar nav[aria-label="Acessibilidade"],
    .topbar nav[aria-label="Autenticação"] {
        display: none;
    }
}

/* Avoid duplicate auth links on desktop by hiding them inside the main menu */
@media (min-width: 1200px) {
    .menu-principal .menu-auth {
        display: none;
    }
}


/* CSS-only mobile nav (checkbox toggle) */
.menu-checkbox {
    position: absolute;
    width: 1px;
    height: 1px;
    margin: -1px;
    padding: 0;
    border: 0;
    clip: rect(0 0 0 0);
    overflow: hidden;
}

/* Swap icons based on state */
.menu-toggle .icon-close {
    display: none;
}

#menu-toggle:checked + label.menu-toggle .icon-menu {
    display: none;
}

#menu-toggle:checked + label.menu-toggle .icon-close {
    display: inline;
}

/* Open mobile menu when checked */
#menu-toggle:checked + label + .menu-principal {
    display: block;
    position: absolute;
    right: 1rem;
    top: 100%;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: .6rem;
    box-shadow: 0 8px 20px rgba(0, 0, 0, .08);
    padding: .5rem;
    z-index: 10;
    width: min(320px, 86vw);
}