:root {
    --accent: #428dff;
    --accent-ink: #ffffff;
    --bg: #ffffff;
    --surface: #f3f6f8;
    --ink: #15202b;
    --muted: #586778;
    --line: #dde4eb;
    --link: var(--accent);
    --shadow: 0 14px 34px -14px rgb(21 32 43 / 0.28);
    --font: system-ui, -apple-system, "Segoe UI", Roboto, "Noto Sans", "Helvetica Neue", Arial, sans-serif;
    --mono: ui-monospace, "Cascadia Mono", "Segoe UI Mono", Menlo, Consolas, monospace;
    color-scheme: light;
}

:root[data-theme="dark"] {
    --bg: #10171f;
    --surface: #18222c;
    --ink: #e9eef3;
    --muted: #9babb9;
    --line: #2a3643;
    --link: var(--link-dark, var(--accent));
    --shadow: 0 14px 34px -14px rgb(0 0 0 / 0.7);
    color-scheme: dark;
}

@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) {
        --bg: #10171f;
        --surface: #18222c;
        --ink: #e9eef3;
        --muted: #9babb9;
        --line: #2a3643;
        --link: var(--link-dark, var(--accent));
        --shadow: 0 14px 34px -14px rgb(0 0 0 / 0.7);
        color-scheme: dark;
    }
}

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

html {
    -webkit-text-size-adjust: 100%;
    scroll-padding-top: 1.5rem;
}

body {
    margin: 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background: var(--bg);
    color: var(--ink);
    font: 400 1.0625rem/1.55 var(--font);
}

main {
    flex: 1;
}

a {
    color: var(--link);
}

:focus-visible {
    outline: 2px solid var(--link);
    outline-offset: 2px;
    border-radius: 4px;
}

.icon {
    flex: none;
}

.wrap {
    width: 100%;
    max-width: 66rem;
    margin-inline: auto;
    padding-inline: clamp(1.1rem, 4vw, 2.5rem);
}

.sr-only,
.skip:not(:focus) {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip-path: inset(50%);
    white-space: nowrap;
}

.skip:focus {
    position: fixed;
    inset-block-start: 0.5rem;
    inset-inline-start: 0.5rem;
    z-index: 50;
    padding: 0.5rem 0.9rem;
    background: var(--bg);
    border: 1px solid var(--line);
    border-radius: 8px;
}

/* topo */

.top {
    border-block-end: 1px solid var(--line);
}

.top__row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    min-height: 4rem;
}

.brand {
    display: flex;
    align-items: baseline;
    min-width: 0;
    color: var(--ink);
    text-decoration: none;
}

.brand__name {
    font-weight: 700;
    letter-spacing: -0.01em;
    white-space: nowrap;
}

.brand__section {
    margin-inline-start: 0.75rem;
    padding-inline-start: 0.75rem;
    border-inline-start: 1px solid var(--line);
    color: var(--muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.top__tools {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.tool,
.menu > summary {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    height: 2.5rem;
    padding-inline: 0.65rem;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: none;
    color: var(--ink);
    font: inherit;
    font-size: 0.95rem;
    cursor: pointer;
}

.tool:hover,
.menu > summary:hover {
    background: var(--surface);
}

.menu {
    position: relative;
}

.menu > summary {
    list-style: none;
    user-select: none;
}

.menu > summary::-webkit-details-marker {
    display: none;
}

.menu > summary .icon:last-child {
    width: 16px;
    height: 16px;
    color: var(--muted);
}

.menu__list {
    position: absolute;
    inset-block-start: calc(100% + 0.4rem);
    inset-inline-end: 0;
    z-index: 20;
    min-width: 13.5rem;
    max-height: min(60vh, 24rem);
    margin: 0;
    padding: 0.35rem;
    overflow: auto;
    list-style: none;
    background: var(--bg);
    border: 1px solid var(--line);
    border-radius: 10px;
    box-shadow: var(--shadow);
}

.menu__list a {
    display: block;
    padding: 0.5rem 0.7rem;
    border-radius: 6px;
    color: var(--ink);
    text-decoration: none;
    text-align: start;
}

.menu__list a:hover {
    background: var(--surface);
}

.menu__list a[aria-current] {
    color: var(--link);
    font-weight: 650;
}

/* busca */

.search {
    position: relative;
    display: flex;
    align-items: center;
    max-width: 44rem;
    height: 3.75rem;
    padding-inline-start: 1.1rem;
    background: var(--bg);
    border: 1.5px solid var(--ink);
    border-radius: 12px;
}

.search:focus-within {
    border-color: var(--link);
    box-shadow: 0 0 0 4px rgb(127 127 127 / 0.18);
}

.search__icon {
    display: flex;
    color: var(--muted);
}

.search__input {
    flex: 1;
    min-width: 0;
    height: 100%;
    padding-inline: 0.75rem;
    border: 0;
    outline: 0;
    background: none;
    color: var(--ink);
    font: inherit;
    font-size: 1.1rem;
}

.search__input::placeholder {
    color: var(--muted);
    opacity: 1;
}

.search__button {
    height: calc(100% - 0.8rem);
    margin-inline-end: 0.4rem;
    padding-inline: 1.15rem;
    border: 0;
    border-radius: 8px;
    background: var(--accent);
    color: var(--accent-ink);
    font: inherit;
    font-weight: 600;
    cursor: pointer;
}

.search--compact {
    flex: 1 1 16rem;
    max-width: 22rem;
    height: 2.75rem;
    padding-inline-start: 0.8rem;
    border: 1px solid var(--line);
    border-radius: 10px;
}

.search--compact .search__input {
    padding-inline: 0.6rem;
    font-size: 1rem;
}

.search--compact .search__button {
    position: absolute;
    width: 1px;
    height: 1px;
    margin: 0;
    padding: 0;
    overflow: hidden;
    clip-path: inset(50%);
}

.search__results {
    position: absolute;
    inset-block-start: calc(100% + 0.5rem);
    inset-inline: 0;
    z-index: 10;
    padding: 0.35rem;
    background: var(--bg);
    border: 1px solid var(--line);
    border-radius: 12px;
    box-shadow: var(--shadow);
}

.search--compact .search__results {
    inset-inline: auto 0;
    width: min(26rem, calc(100vw - 2.2rem));
}

.hit {
    display: block;
    padding: 0.6rem 0.8rem;
    border-radius: 8px;
    color: var(--ink);
    text-decoration: none;
}

.hit:hover,
.hit.is-active {
    background: var(--surface);
}

.hit__title {
    display: block;
    font-weight: 600;
    line-height: 1.3;
}

.hit__tag {
    display: block;
    margin-block-start: 0.15rem;
    color: var(--muted);
    font-size: 0.88rem;
}

.search__empty {
    margin: 0;
    padding: 0.7rem 0.8rem;
    color: var(--muted);
}

/* página inicial */

.hero {
    padding-block: clamp(2.5rem, 8vw, 5.25rem) clamp(1.75rem, 4vw, 2.75rem);
}

.hero__title {
    margin: 0 0 0.6rem;
    font-size: clamp(2.1rem, 1.3rem + 3.6vw, 3.5rem);
    font-weight: 700;
    line-height: 1.05;
    letter-spacing: -0.028em;
}

.hero__lead {
    max-width: 46ch;
    margin: 0 0 1.75rem;
    color: var(--muted);
    font-size: 1.15rem;
}

.featured {
    padding: 1.4rem clamp(1.1rem, 3vw, 2rem) 1.1rem;
    background: var(--surface);
    border-radius: 14px;
}

.featured__title {
    margin: 0 0 0.5rem;
    font-size: 1.05rem;
    font-weight: 650;
}

.featured__list {
    margin: 0;
    padding: 0;
    list-style: none;
    columns: 2 18rem;
    column-gap: 3rem;
}

.featured__list li {
    break-inside: avoid;
}

.featured__list a,
.links a {
    display: block;
    padding-block: 0.55rem;
    color: var(--ink);
    text-decoration: none;
    line-height: 1.35;
}

.featured__list a:hover,
.links a:hover,
.topic__title a:hover,
.results__link:hover {
    color: var(--link);
    text-decoration: underline;
    text-underline-offset: 0.2em;
}

.directory {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 17rem), 1fr));
    gap: 2.75rem 3rem;
    padding-block: 3rem 4rem;
}

.topic__title {
    margin: 0 0 0.35rem;
    font-size: 1.2rem;
    font-weight: 680;
    line-height: 1.25;
    letter-spacing: -0.01em;
}

.topic__title a {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    color: var(--ink);
    text-decoration: none;
}

.topic__icon,
.page__icon {
    display: grid;
    place-items: center;
    flex: none;
    width: 2.25rem;
    height: 2.25rem;
    border-radius: 8px;
    background: var(--surface);
    color: var(--link);
}

.topic__text {
    margin: 0 0 0.9rem;
    color: var(--muted);
    font-size: 0.95rem;
}

.links {
    margin: 0;
    padding: 0;
    list-style: none;
    border-block-end: 1px solid var(--line);
}

.links li {
    border-block-start: 1px solid var(--line);
}

.topic__more {
    display: inline-block;
    margin-block-start: 0.8rem;
    font-size: 0.95rem;
    font-weight: 600;
    text-underline-offset: 0.2em;
}

/* páginas internas */

.bar {
    border-block-end: 1px solid var(--line);
}

.bar__row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 0.6rem 1.5rem;
    padding-block: 0.7rem;
}

.crumbs ol {
    display: flex;
    flex-wrap: wrap;
    margin: 0;
    padding: 0;
    list-style: none;
    font-size: 0.95rem;
}

.crumbs li + li::before {
    content: "/";
    margin-inline: 0.55rem;
    color: var(--line);
}

.crumbs a {
    color: var(--muted);
    text-decoration: none;
}

.crumbs a:hover {
    color: var(--ink);
    text-decoration: underline;
}

.page {
    padding-block: 2.5rem 4rem;
}

.page__head {
    margin-block-end: 1.75rem;
}

.page__title {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    max-width: 30ch;
    margin: 0 0 0.5rem;
    font-size: clamp(1.75rem, 1.2rem + 2.2vw, 2.5rem);
    font-weight: 700;
    line-height: 1.12;
    letter-spacing: -0.022em;
}

.page__lead {
    max-width: 52ch;
    margin: 0;
    color: var(--muted);
    font-size: 1.1rem;
}

.page__meta {
    margin: 0;
    color: var(--muted);
    font-size: 0.92rem;
}

.results {
    max-width: 44rem;
    margin: 0;
    padding: 0;
    list-style: none;
    border-block-end: 1px solid var(--line);
}

.results li {
    padding-block: 1.05rem;
    border-block-start: 1px solid var(--line);
}

.results__link {
    color: var(--ink);
    font-size: 1.15rem;
    font-weight: 650;
    line-height: 1.3;
    text-decoration: none;
}

.results__text {
    margin: 0.25rem 0 0;
    color: var(--muted);
}

.results__tag {
    margin: 0.4rem 0 0;
    color: var(--muted);
    font-size: 0.88rem;
}

.empty {
    max-width: 34rem;
    padding-block: 1.5rem;
}

.empty__title {
    margin: 0;
    font-size: 1.3rem;
    font-weight: 650;
}

.button {
    display: inline-flex;
    align-items: center;
    padding: 0.7rem 1.2rem;
    border: 1px solid transparent;
    border-radius: 10px;
    background: var(--accent);
    color: var(--accent-ink);
    font-weight: 600;
    text-decoration: none;
    white-space: nowrap;
}

.button--quiet {
    border-color: var(--line);
    background: none;
    color: var(--ink);
}

/* artigo */

.article {
    min-width: 0;
    max-width: 41rem;
}

.notice {
    margin: 0 0 1.75rem;
    padding: 0.8rem 1rem;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 10px;
    font-size: 0.95rem;
}

.prose > * {
    margin-block: 0;
}

.prose > * + * {
    margin-block-start: 1.1em;
}

.prose h2,
.prose h3 {
    line-height: 1.22;
    letter-spacing: -0.012em;
}

.prose h2 {
    margin-block-start: 2.4rem;
    font-size: 1.45rem;
}

.prose h3 {
    margin-block-start: 1.8rem;
    font-size: 1.15rem;
}

.prose a {
    text-underline-offset: 0.18em;
}

.prose ul {
    padding-inline-start: 1.3rem;
}

.prose li + li {
    margin-block-start: 0.45em;
}

.prose li > ul,
.prose li > ol {
    margin-block-start: 0.45em;
}

.prose ol {
    padding: 0;
    list-style: none;
    counter-reset: step;
}

.prose ol > li {
    position: relative;
    padding-inline-start: 2.6rem;
    counter-increment: step;
}

.prose ol > li + li {
    margin-block-start: 0.8em;
}

.prose ol > li::before {
    content: counter(step);
    position: absolute;
    inset-block-start: 0.02em;
    inset-inline-start: 0;
    display: grid;
    place-items: center;
    width: 1.75rem;
    height: 1.75rem;
    border-radius: 50%;
    background: var(--accent);
    color: var(--accent-ink);
    font-size: 0.88rem;
    font-weight: 700;
    line-height: 1;
}

.prose blockquote {
    margin-inline: 0;
    padding: 0.9rem 1.15rem;
    background: var(--surface);
    border-inline-start: 3px solid var(--accent);
    border-start-end-radius: 8px;
    border-end-end-radius: 8px;
}

.prose blockquote > * {
    margin-block: 0;
}

.prose blockquote > * + * {
    margin-block-start: 0.7em;
}

.prose code,
.prose kbd {
    font-family: var(--mono);
    font-size: 0.88em;
}

.prose code {
    padding: 0.12em 0.35em;
    background: var(--surface);
    border-radius: 4px;
}

.prose pre {
    padding: 1rem;
    overflow: auto;
    background: var(--surface);
    border-radius: 8px;
    direction: ltr;
    text-align: left;
}

.prose pre code {
    padding: 0;
    background: none;
}

.prose kbd {
    padding: 0.05em 0.4em;
    border: 1px solid var(--line);
    border-block-end-width: 2px;
    border-radius: 5px;
}

.prose img,
.prose video,
.prose iframe {
    display: block;
    max-width: 100%;
    height: auto;
    border: 1px solid var(--line);
    border-radius: 10px;
}

.prose hr {
    margin-block: 2rem;
    border: 0;
    border-block-start: 1px solid var(--line);
}

.table-wrap {
    overflow-x: auto;
}

.prose table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.97rem;
}

.prose th,
.prose td {
    padding: 0.6rem 0.75rem;
    border-block-end: 1px solid var(--line);
    text-align: start;
    vertical-align: top;
}

.prose th {
    font-weight: 650;
}

.related {
    margin-block-start: 3.5rem;
}

.related__title {
    margin: 0 0 0.7rem;
    font-size: 1.1rem;
    font-weight: 650;
}

.toc {
    display: none;
}

@media (min-width: 60rem) {
    .page--with-toc {
        display: grid;
        grid-template-columns: minmax(0, 41rem) minmax(0, 15rem);
        justify-content: space-between;
        gap: 3rem;
        align-items: start;
    }

    .toc {
        display: block;
        position: sticky;
        inset-block-start: 1.5rem;
        padding-inline-start: 1.1rem;
        border-inline-start: 1px solid var(--line);
        font-size: 0.93rem;
    }

    .toc__title {
        margin: 0 0 0.6rem;
        font-size: inherit;
        font-weight: 650;
    }

    .toc ul {
        margin: 0;
        padding: 0;
        list-style: none;
    }

    .toc li + li {
        margin-block-start: 0.5rem;
    }

    .toc a {
        color: var(--muted);
        text-decoration: none;
        line-height: 1.35;
    }

    .toc a:hover {
        color: var(--ink);
        text-decoration: underline;
    }
}

/* rodapé */

.foot {
    padding-block: 2rem 2.5rem;
    border-block-start: 1px solid var(--line);
}

.contact {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 1rem 2rem;
    padding: 1.4rem clamp(1.1rem, 3vw, 2rem);
    background: var(--surface);
    border-radius: 14px;
}

.contact__title {
    margin: 0;
    font-size: 1.2rem;
    font-weight: 680;
    letter-spacing: -0.01em;
}

.contact__text {
    margin: 0.15rem 0 0;
    color: var(--muted);
}

.foot__note {
    margin: 1.5rem 0 0;
    color: var(--muted);
    font-size: 0.9rem;
}

@media (max-width: 34rem) {
    .brand__section,
    .menu__current {
        display: none;
    }

    .search {
        height: 3.4rem;
    }

    .search__button {
        padding-inline: 0.9rem;
    }

    .search--compact {
        max-width: none;
    }
}

@media print {
    .top,
    .bar,
    .toc,
    .foot,
    .related {
        display: none;
    }

    .page {
        padding: 0;
    }
}