:root {
  color-scheme: dark;
  --bg: #000;
  --fg: #f7f7f7;
  --muted: #bdbdbd;
  --quiet: #777;
  --line: #8b8b8b;
  --line-soft: #343434;
  --accent: #00a4ef;
  --content: 1536px;
  --unit: 8px;
  --grid-gap: 24px;
  --title-gap: 32px;
  --section-gap: 48px;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--bg);
  color: var(--fg);
  scroll-behavior: smooth;
  font-family: "Segoe UI", "Noto Sans", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.35;
  -webkit-font-smoothing: antialiased;
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--bg);
}

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

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.ui-icon {
  --icon: none;
  display: inline-block;
  flex: 0 0 auto;
  width: 24px;
  height: 24px;
  background: currentColor;
  -webkit-mask: var(--icon) center / contain no-repeat;
  mask: var(--icon) center / contain no-repeat;
}

.icon-about { --icon: url("../media/icons/about.svg"); }
.icon-archive { --icon: url("../media/icons/archive.svg"); }
.icon-arrow-down { --icon: url("../media/icons/arrow_down.svg"); }
.icon-arrow-downleft { --icon: url("../media/icons/arrow_downleft.svg"); }
.icon-arrow-downright { --icon: url("../media/icons/arrow_downright.svg"); }
.icon-arrow-left { --icon: url("../media/icons/arrow_left.svg"); }
.icon-arrow-right { --icon: url("../media/icons/arrow_right.svg"); }
.icon-arrow-up { --icon: url("../media/icons/arrow_up.svg"); }
.icon-arrow-upleft { --icon: url("../media/icons/arrow_upleft.svg"); }
.icon-arrow-upright { --icon: url("../media/icons/arrow_upright.svg"); }
.icon-error { --icon: url("../media/icons/error.svg"); }
.icon-rss { --icon: url("../media/icons/rss.svg"); }
.icon-search { --icon: url("../media/icons/search.svg"); }
.icon-tag { --icon: url("../media/icons/tag.svg"); }
.icon-warning { --icon: url("../media/icons/warning.svg"); }

.icon-link {
  display: inline-flex;
  color: inherit;
}

.icon-link:hover {
  color: var(--accent);
}

.site-header,
.page-shell,
.site-footer {
  width: min(calc(100% - 64px), var(--content));
  margin-inline: auto;
}

.site-header {
  min-height: 120px;
  padding-top: 24px;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 32px;
}

.site-identity {
  --identity-kicker-size: clamp(16px, 1.35vw, 23px);
  display: grid;
  justify-items: start;
  line-height: 1;
}

.site-identity > span {
  color: #ddd;
  font-size: var(--identity-kicker-size);
  font-weight: 300;
  margin: 0;
}

.site-name {
  font-size: calc(var(--identity-kicker-size) * 1.90);
  font-weight: 300;
  letter-spacing: -0.022em;
  margin: 0;
}

.return-link {
  display: flex;
  align-items: center;
  gap: 8px;
  color: #d8d8d8;
  font-size: clamp(15px, 1.2vw, 21px);
  font-weight: 300;
  margin-top: 1px;
}

.return-link:hover,
.back-link:hover,
.article-content a:hover,
.topics-line a:hover {
  color: var(--accent);
}

.round-arrow {
  width: 48px;
  height: 48px;
}

.return-link .round-arrow {
  width: 32px;
  height: 32px;
}

.round-arrow.small {
  width: 40px;
  height: 40px;
}

.section-title {
  margin: 0;
  font-size: clamp(54px, 5.1vw, 88px);
  line-height: 0.9;
  letter-spacing: -0.045em;
  font-weight: 200;
}

.home-title {
  margin-bottom: var(--title-gap);
}

.hero-post {
  min-height: 306px;
  border: 1px solid var(--line);
  display: grid;
  grid-template-columns: minmax(240px, 305px) 1fr;
  margin-bottom: var(--section-gap);
  overflow: hidden;
}

.hero-cover,
.post-cover,
.article-cover-inner {
  overflow: hidden;
  background: #151515;
}

.hero-cover img,
.post-cover img,
.article-cover-inner img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}

.cover-placeholder {
  display: grid;
  place-items: center;
  background:
    linear-gradient(135deg, transparent 0 47%, #191919 47% 53%, transparent 53%),
    #0e0e0e;
  color: #333;
  font-size: 7rem;
  font-weight: 200;
}

.hero-copy {
  min-width: 0;
  position: relative;
  padding: 27px 83px 24px 36px;
}

.hero-copy time {
  position: absolute;
  right: 20px;
  top: 18px;
  color: #d0d0d0;
  font-size: 18px;
  font-weight: 300;
}

.hero-copy h2 {
  max-width: 1040px;
  margin: 0 0 7px;
  padding-right: 140px;
  font-size: clamp(34px, 3.2vw, 58px);
  line-height: 1.05;
  font-weight: 300;
  letter-spacing: -0.03em;
}

.hero-copy h2 a:hover,
.post-card h3 a:hover,
.archive-row h2 a:hover {
  color: var(--accent);
}

.hero-subtitle {
  margin: 0 0 18px;
  color: #ededed;
  font-size: clamp(20px, 1.65vw, 29px);
  font-weight: 300;
  line-height: 1.22;
}

.hero-excerpt {
  max-width: 1000px;
  margin: 0 0 14px;
  color: #c8c8c8;
  font-size: 17px;
  line-height: 1.45;
}

.topics-line {
  color: var(--accent);
  margin: 0;
  font-size: 17px;
}

.topics-line span {
  color: #cfcfcf;
}

.hero-go {
  position: absolute;
  right: 20px;
  bottom: 18px;
}

.home-lower {
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(280px, 1fr);
  grid-template-areas:
    "heading ."
    "posts tools";
  column-gap: var(--grid-gap);
  row-gap: var(--title-gap);
  align-items: start;
}

.more-posts-title {
  grid-area: heading;
}

.more-posts {
  grid-area: posts;
  min-width: 0;
}

.home-tools {
  grid-area: tools;
  display: grid;
  gap: var(--unit);
  align-self: start;
}

.home-search {
  width: 100%;
}

.post-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--unit);
}

.post-grid > .empty-state {
  grid-column: 1 / -1;
  width: 100%;
}

.post-card {
  min-height: 174px;
  border: 1px solid var(--line);
  display: grid;
  grid-template-columns: 166px minmax(0, 1fr);
  overflow: hidden;
}

.post-cover {
  min-height: 172px;
}

.post-card-copy {
  position: relative;
  min-width: 0;
  padding: 14px 54px 14px 20px;
}

.post-card time,
.archive-row time {
  color: #c6c6c6;
  font-size: 14px;
  font-weight: 300;
}

.post-card h3 {
  margin: 6px 0 6px;
  font-size: clamp(21px, 1.55vw, 27px);
  line-height: 1.08;
  font-weight: 300;
}

.post-card-copy > p:not(.topics-line) {
  margin: 0 0 8px;
  color: #ccc;
  font-size: 15px;
  line-height: 1.28;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.post-card .topics-line {
  font-size: 14px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.card-go {
  position: absolute;
  right: 10px;
  bottom: 10px;
}

.resource-rail {
  display: grid;
  gap: var(--unit);
  align-self: start;
}

.search-box {
  height: 48px;
  border: 1px solid var(--line);
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 16px;
}

.search-icon {
  width: 25px;
  height: 25px;
  color: #f3f3f3;
}

.search-box:focus-within .search-icon {
  color: var(--accent);
}

.search-box input {
  width: 100%;
  border: 0;
  outline: 0;
  background: transparent;
  color: #fff;
  font: inherit;
  font-size: 17px;
}

.search-box:focus-within {
  border-color: var(--accent);
}

.search-box input::placeholder {
  color: #787878;
}

.resource-tile {
  min-height: 88px;
  border: 1px solid var(--line);
  display: grid;
  grid-template-columns: 64px 1fr 40px;
  align-items: center;
  gap: var(--unit);
  padding: 8px;
  transition: background 90ms linear, border-color 90ms linear;
}

.resource-tile:hover {
  background: var(--accent);
  border-color: var(--accent);
}

.resource-icon {
  width: 40px;
  height: 40px;
  justify-self: center;
}

.resource-tile strong,
.resource-tile small {
  display: block;
}

.resource-tile strong {
  font-size: 24px;
  font-weight: 300;
  line-height: 1;
  margin-bottom: 7px;
}

.resource-tile small {
  color: #cfcfcf;
  font-size: 14px;
  line-height: 1.2;
}

.resource-tile:hover small {
  color: #fff;
}

.site-footer {
  min-height: 72px;
  padding: 18px 0 28px;
  color: #777;
  font-size: 14px;
}

.narrow-page {
  max-width: 1160px;
  margin-inline: max(32px, calc((100vw - min(calc(100vw - 64px), var(--content))) / 2));
}

.archive-list {
  display: grid;
  gap: 8px;
  margin-top: 48px;
}

.archive-row {
  min-height: 132px;
  border-top: 1px solid var(--line-soft);
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr) 44px;
  gap: 24px;
  align-items: center;
  padding: 18px 4px;
}

.archive-row:first-child {
  border-top-color: var(--line);
}

.archive-row h2 {
  margin: 0 0 7px;
  font-size: 28px;
  font-weight: 300;
  line-height: 1.1;
}

.archive-row p {
  color: #bfbfbf;
  margin: 0 0 7px;
}

.archive-row .topics-line {
  color: var(--accent);
  font-size: 14px;
}

.page-search {
  max-width: 640px;
  margin-top: 14px;
}

.topic-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 50px;
}

.topic-tile {
  min-height: 104px;
  border: 1px solid var(--line);
  display: grid;
  grid-template-columns: 1fr auto auto;
  align-items: center;
  gap: 18px;
  padding: 18px 18px 18px 24px;
}

.topic-tile:hover {
  background: var(--accent);
  border-color: var(--accent);
}

.topic-tile strong {
  font-size: 28px;
  font-weight: 300;
}

.topic-tile > span:not(.round-arrow) {
  color: #aaa;
}

.topic-tile:hover > span:not(.round-arrow) {
  color: #fff;
}

.article-page {
  max-width: var(--content);
  margin-left: max(32px, calc((100vw - min(calc(100vw - 64px), var(--content))) / 2));
}

.article-layout {
  display: grid;
  grid-template-columns: minmax(0, 860px) minmax(180px, 240px);
  gap: clamp(56px, 7vw, 112px);
  align-items: start;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: #aaa;
  margin: 4px 0 42px;
  font-size: 18px;
}

.back-icon {
  width: 32px;
  height: 32px;
}

.article-header time {
  color: #aaa;
  font-size: 16px;
}

.article-header h1 {
  max-width: 980px;
  margin: 12px 0 14px;
  font-size: clamp(46px, 5.2vw, 82px);
  line-height: 0.99;
  font-weight: 200;
  letter-spacing: -0.045em;
}

.article-header > p {
  max-width: 920px;
  margin: 0 0 22px;
  color: #d7d7d7;
  font-size: clamp(21px, 2vw, 31px);
  font-weight: 300;
}

.article-cover {
  margin: 46px 0;
}

.article-cover-inner {
  height: min(58vw, 560px);
}

.article-content {
  max-width: 820px;
  margin: 56px 0 96px;
  color: #dedede;
  font-size: 20px;
  line-height: 1.72;
  overflow-wrap: anywhere;
}

.article-content h2,
.article-content h3,
.article-content h4,
.article-content h5 {
  color: #fff;
  font-weight: 300;
  line-height: 1.12;
  margin: 2em 0 0.7em;
}

.article-content h2 { font-size: 42px; }
.article-content h3 { font-size: 32px; }
.article-content h4 { font-size: 26px; }
.article-content h5 { font-size: 22px; }

.article-content h2[id],
.article-content h3[id],
.article-content h4[id],
.article-content h5[id] {
  scroll-margin-top: 32px;
}

.heading-link-copy {
  appearance: none;
  border: 0;
  background: transparent;
  color: #777;
  padding: 0;
  margin-left: 14px;
  font: inherit;
  font-size: 13px;
  font-weight: 300;
  line-height: 1;
  vertical-align: 0.18em;
  cursor: pointer;
  transition: color 120ms linear;
}

.heading-link-copy:hover {
  color: #e22b24;
}

.article-content p,
.article-content ul,
.article-content ol,
.article-content blockquote,
.article-content pre,
.article-content figure,
.article-content .markdown-table-wrap {
  margin: 0 0 1.3em;
}

.article-content a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.article-content code {
  font-family: "Cascadia Code", "SFMono-Regular", Consolas, monospace;
  font-size: 0.9em;
  background: #111;
  padding: 0.12em 0.3em;
}

.article-content pre {
  overflow-x: auto;
  tab-size: 4;
  border-left: 4px solid var(--accent);
  background: #0b0b0b;
  padding: 20px 22px;
  line-height: 1.5;
}

.article-content pre code {
  background: transparent;
  padding: 0;
}

.article-content blockquote {
  margin-left: 0;
  border-left: 4px solid #555;
  padding-left: 22px;
  color: #aaa;
}


.article-content ul,
.article-content ol {
  padding-left: 1.55em;
}

.article-content li {
  padding-left: .2em;
  margin: .28em 0;
}

.article-content li > ul,
.article-content li > ol {
  margin: .4em 0 .25em;
}

.article-content del {
  color: #9b9b9b;
  text-decoration-thickness: 1px;
}

.article-content u {
  text-underline-offset: 4px;
  text-decoration-thickness: 1px;
}

.article-content hr {
  border: 0;
  border-top: 1px solid var(--line);
  margin: 2.2em 0;
}

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

.article-content table {
  width: 100%;
  border-collapse: collapse;
  font-size: .92em;
}

.article-content th,
.article-content td {
  border-bottom: 1px solid var(--line-soft);
  padding: 10px 12px;
  vertical-align: top;
}

.article-content th {
  color: #fff;
  font-weight: 500;
  border-bottom-color: var(--line);
}

.article-content .align-center { text-align: center; }
.article-content .align-right { text-align: right; }

.markdown-media,
.markdown-document,
.markdown-link-figure {
  margin-left: 0;
  margin-right: 0;
}

.markdown-media img,
.markdown-media video,
.markdown-video-embed {
  display: block;
  width: 100%;
  max-width: 100%;
  background: #080808;
}

.markdown-video-embed {
  aspect-ratio: 16 / 9;
  border: 0;
}

.markdown-media audio {
  width: 100%;
}

.article-content figcaption {
  margin-top: 10px;
  color: #939393;
  font-size: 15px;
  line-height: 1.45;
}

.article-content figcaption p {
  margin: 0;
}

.markdown-document > a,
.markdown-link-preview {
  border: 1px solid var(--line);
  color: inherit;
  text-decoration: none;
  transition: border-color 120ms linear, background 120ms linear;
}

.markdown-document > a:hover,
.markdown-link-preview:hover {
  border-color: var(--accent);
  background: #070d10;
  color: inherit;
}

.markdown-document > a {
  display: grid;
  gap: 5px;
  padding: 18px 20px;
}

.markdown-document-label,
.markdown-document-url,
.markdown-link-copy small {
  color: #8f8f8f;
  font-size: 13px;
}

.markdown-document strong,
.markdown-link-copy strong {
  color: #fff;
  font-weight: 400;
  font-size: 21px;
}

.markdown-link-preview {
  display: grid;
  grid-template-columns: minmax(180px, 240px) minmax(0, 1fr);
  min-height: 150px;
}

.markdown-link-image {
  background: #0b0b0b;
  overflow: hidden;
}

.markdown-link-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.markdown-link-copy {
  display: grid;
  align-content: center;
  gap: 7px;
  padding: 20px 22px;
}

.markdown-link-copy > span {
  color: #bcbcbc;
  font-size: 15px;
  line-height: 1.45;
}

.markdown-gallery {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 0 0 1.5em;
}

.markdown-gallery figure {
  margin: 0;
}

.markdown-gallery img,
.markdown-gallery video,
.markdown-gallery iframe {
  width: 100%;
  display: block;
}

.markdown-note {
  border-left: 4px solid var(--line);
  padding: 4px 0 4px 18px;
  margin: 0 0 1.5em;
}

.share-panel {
  --share-hover: #e22b24;
  position: sticky;
  top: 32px;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  align-content: start;
  max-height: calc(100vh - 64px);
  margin-top: 34px;
  overflow: hidden;
}

.share-block,
.content-panel {
  border-top: 1px solid var(--line);
}

.content-panel {
  min-height: 0;
  margin-top: 30px;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
}

.share-panel h2 {
  margin: 13px 0 10px;
  font-size: 25px;
  line-height: 1;
  font-weight: 300;
}

.share-panel a,
.share-panel button {
  appearance: none;
  width: 100%;
  min-height: 42px;
  border: 0;
  border-top: 1px solid var(--line-soft);
  background: transparent;
  color: #bcbcbc;
  display: grid;
  grid-template-columns: 0 1fr;
  align-items: center;
  gap: 0;
  padding: 0;
  text-align: left;
  font: inherit;
  cursor: pointer;
  text-decoration: none;
  transition: color 120ms linear, border-color 120ms linear, padding-left 120ms ease;
}

.share-panel a:hover,
.share-panel button:hover {
  color: var(--share-hover);
  border-top-color: var(--share-hover);
  padding-left: 7px;
}

.share-panel .is-disabled {
  color: #505050;
  cursor: default;
}

.share-panel .is-disabled:hover {
  color: #505050;
  border-top-color: var(--line-soft);
  padding-left: 0;
}

.content-panel ul {
  min-height: 0;
  list-style: none;
  margin: 0;
  padding: 0 6px 0 0;
  overflow-y: auto;
  overscroll-behavior: contain;
  scrollbar-width: thin;
  scrollbar-color: var(--line-soft) transparent;
}

.content-panel li {
  --toc-indent: 0px;
  margin: 0;
  padding: 0;
}

.content-panel .toc-level-3 { --toc-indent: 12px; }
.content-panel .toc-level-4 { --toc-indent: 24px; }
.content-panel .toc-level-5 { --toc-indent: 36px; }

.content-panel a {
  display: block;
  min-width: 0;
  min-height: 36px;
  padding-left: var(--toc-indent);
  font-size: 14px;
  line-height: 36px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.content-panel a:hover {
  padding-left: calc(var(--toc-indent) + 7px);
}

.share-icon {
  width: 0;
  height: 0;
  overflow: hidden;
}

.standalone-copy {
  margin-top: 54px;
}

.empty-state {
  min-height: 144px;
  border: 1px solid var(--line-soft);
  display: grid;
  place-items: center;
  color: #777;
  font-size: 19px;
}

@media (max-width: 1120px) {
  .article-layout {
    grid-template-columns: minmax(0, 820px);
  }

  .share-panel {
    position: static;
    grid-template-rows: auto auto;
    max-width: 420px;
    max-height: none;
    margin: 0 0 72px;
    overflow: visible;
  }

  .content-panel {
    display: block;
  }

  .content-panel ul {
    max-height: none;
    overflow: visible;
    padding-right: 0;
  }

  .home-lower {
    grid-template-columns: 1fr;
    grid-template-areas:
      "heading"
      "posts"
      "tools";
    row-gap: 24px;
  }

  .home-tools {
    margin-top: 8px;
  }

  .resource-rail {
    grid-template-columns: repeat(2, 1fr);
  }

  .hero-copy h2 {
    padding-right: 0;
    margin-top: 28px;
  }
}

@media (max-width: 820px) {
  .site-header,
  .page-shell,
  .site-footer {
    width: min(calc(100% - 32px), var(--content));
  }

  .site-header {
    min-height: 138px;
  }

  .return-link span:first-child {
    display: none;
  }

  .hero-post {
    grid-template-columns: 1fr;
  }

  .hero-cover {
    height: 280px;
  }

  .hero-copy {
    padding: 60px 22px 78px;
  }

  .hero-copy time {
    left: 22px;
    right: auto;
  }

  .hero-copy h2 {
    margin-top: 0;
  }

  .post-grid,
  .topic-grid,
  .resource-rail {
    grid-template-columns: 1fr;
  }

  .post-card {
    grid-template-columns: 128px 1fr;
  }

  .archive-row {
    grid-template-columns: 1fr 44px;
  }

  .archive-row time {
    grid-column: 1 / -1;
  }

  .narrow-page,
  .article-page {
    margin-inline: 16px;
  }
}

@media (max-width: 540px) {
  .markdown-link-preview,
  .markdown-gallery {
    grid-template-columns: 1fr;
  }

  .markdown-link-image {
    max-height: 210px;
  }

  .post-card {
    grid-template-columns: 1fr;
  }

  .post-cover {
    height: 200px;
  }

  .post-card-copy {
    padding-bottom: 58px;
  }

  .section-title {
    margin-bottom: 18px;
  }
}

/* navegação entre páginas */
.page-shell {
  view-transition-name: blog-content;
}

::view-transition-old(root),
::view-transition-new(root) {
  animation: none;
}

::view-transition-group(blog-content) {
  animation-duration: 520ms;
  animation-timing-function: cubic-bezier(0.16, 1, 0.3, 1);
}

html[data-nav-direction="forward"]::view-transition-old(blog-content) {
  animation: metro-forward-out 280ms cubic-bezier(0.4, 0, 1, 1) both;
}

html[data-nav-direction="forward"]::view-transition-new(blog-content) {
  animation: metro-forward-in 440ms 70ms cubic-bezier(0.16, 1, 0.3, 1) both;
}

html[data-nav-direction="back"]::view-transition-old(blog-content) {
  animation: metro-back-out 280ms cubic-bezier(0.4, 0, 1, 1) both;
}

html[data-nav-direction="back"]::view-transition-new(blog-content) {
  animation: metro-back-in 440ms 70ms cubic-bezier(0.16, 1, 0.3, 1) both;
}

@keyframes metro-forward-out {
  to {
    opacity: 0;
    transform: translateX(-18px);
  }
}

@keyframes metro-forward-in {
  from {
    opacity: 0;
    transform: translateX(28px);
  }
}

@keyframes metro-back-out {
  to {
    opacity: 0;
    transform: translateX(18px);
  }
}

@keyframes metro-back-in {
  from {
    opacity: 0;
    transform: translateX(-28px);
  }
}

.section-back-link {
  margin: 0 0 24px;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  ::view-transition-old(blog-content),
  ::view-transition-new(blog-content) {
    animation: none;
  }
}