/*
Theme Name: BCT Publication
Theme URI: https://beyondcloud.technology/
Author: Beyond Cloud Technology
Description: Responsive editorial theme for the Beyond Cloud Technology publication.
Version: 1.0.0
Requires at least: 6.4
Requires PHP: 8.0
Text Domain: bct-publication
*/
@font-face { font-family: 'Barlow Condensed'; src: url('assets/fonts/barlow-condensed-600.woff2') format('woff2'); font-style: normal; font-weight: 600; font-display: swap; }
@font-face { font-family: 'Barlow Condensed'; src: url('assets/fonts/barlow-condensed-700.woff2') format('woff2'); font-style: normal; font-weight: 700; font-display: swap; }
@font-face { font-family: 'Source Sans 3'; src: url('assets/fonts/source-sans-3-400.woff2') format('woff2'); font-style: normal; font-weight: 400; font-display: swap; }
@font-face { font-family: 'Source Sans 3'; src: url('assets/fonts/source-sans-3-600.woff2') format('woff2'); font-style: normal; font-weight: 600; font-display: swap; }
@font-face { font-family: 'Source Sans 3'; src: url('assets/fonts/source-sans-3-700.woff2') format('woff2'); font-style: normal; font-weight: 700; font-display: swap; }

:root {
  color-scheme: light;
  --paper: #f5f4ee;
  --surface: #fffefa;
  --ink: #161616;
  --muted: #575750;
  --rule: #1d1d1a;
  --soft-rule: #b9b8ae;
  --red: #d93e2d;
  --blue: #2456c9;
  --yellow: #f0cb39;
  --link: #153f9e;
  --placeholder: #68685f;
  --thumb-placeholder: #deddd5;
  --code-bg: #efeee8;
  --callout-bg: #e8e7df;
  --text-secondary: #33332f;
  --on-ink: #fffefa;
  --selection-ink: #161616;
  --blue-fill: #2456c9;
  --display: 'Barlow Condensed', Impact, sans-serif;
  --body: 'Source Sans 3', Arial, sans-serif;
  --shell: min(calc(100% - 48px), 1460px);
  font-family: var(--body);
  background: var(--paper);
  color: var(--ink);
  font-synthesis: none;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 24px; }
body { margin: 0; min-width: 320px; background: var(--paper); color: var(--ink); font: 400 1rem/1.55 var(--body); }
button, input { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: .18em; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 3px solid var(--blue); outline-offset: 4px; }
::selection { color: var(--selection-ink); background: var(--yellow); }
img { display: block; max-width: 100%; }
svg { display: block; }

.skip-link { position: fixed; z-index: 1000; top: 10px; left: 10px; transform: translateY(-160%); padding: 10px 14px; background: var(--ink); color: var(--on-ink); font-weight: 600; }
.skip-link:focus { transform: translateY(0); }
.site-shell { width: var(--shell); margin-inline: auto; }
.site-header { display: grid; grid-template-columns: minmax(220px,1fr) auto minmax(100px,1fr); align-items: center; min-height: 94px; border-bottom: 2px solid var(--ink); gap: 24px; }
.brand-lockup { display: inline-flex; width: fit-content; align-items: center; text-decoration: none; }
.brand-logo { width: 75px; height: 75px; flex: 0 0 auto; object-fit: contain; }
.main-nav a, .nav-search { display: inline-flex; min-height: 44px; align-items: center; font-size: .92rem; font-weight: 600; text-decoration: none; }
.main-nav { display: flex; align-items: center; justify-content: center; gap: clamp(14px,2vw,34px); }
.main-nav .menu { display: flex; align-items: center; gap: clamp(14px,2vw,34px); margin: 0; padding: 0; list-style: none; }
.main-nav .menu li { margin: 0; padding: 0; }
.main-nav .menu a { display: inline-flex; min-height: 44px; align-items: center; }
.main-nav a:hover, .nav-search:hover { text-decoration: underline; text-underline-offset: 5px; }
.header-actions { display: flex; align-items: center; justify-self: end; gap: 7px; }
.theme-toggle { display: inline-grid; width: 44px; min-height: 44px; flex: 0 0 auto; place-items: center; padding: 0; border: 1px solid var(--soft-rule); background: transparent; color: var(--ink); cursor: pointer; }
.theme-toggle:hover { border-color: var(--ink); background: var(--surface); }
.theme-toggle svg { width: 19px; height: 19px; }
.theme-toggle .theme-icon-dark { display: none; }
:root[data-theme="dark"] .theme-toggle .theme-icon-light { display: none; }
:root[data-theme="dark"] .theme-toggle .theme-icon-dark { display: block; }
.nav-count { display: inline-grid; width: 21px; height: 21px; place-items: center; margin-left: 3px; border: 1px solid var(--ink); border-radius: 50%; font-size: .7rem; }
.nav-search { justify-self: end; display: inline-flex; gap: 8px; align-items: center; }
.nav-search span { font-size: 1.1rem; }

.brand-intro { display: grid; grid-template-columns: minmax(0,1.3fr) minmax(220px,.7fr); align-items: end; gap: 30px; padding: clamp(42px,8vw,112px) 0 30px; }
.brand-intro h1 { max-width: 11ch; margin: 0; font: 700 clamp(4.1rem,11vw,10.4rem)/.79 var(--display); letter-spacing: -.025em; text-transform: uppercase; }
.brand-intro h1 span { display: block; color: var(--blue); }
.brand-intro p { max-width: 27ch; margin: 0 0 5px auto; font-size: clamp(1.05rem,1.8vw,1.5rem); font-weight: 600; line-height: 1.15; }
.brand-intro .masthead-rule { grid-column: 1/-1; height: 1px; background: var(--ink); }
.lead-story { display: grid; grid-template-columns: minmax(0,1.15fr) minmax(340px,.85fr); gap: clamp(24px,5vw,76px); padding: 30px 0 clamp(58px,8vw,112px); border-top: 1px solid var(--soft-rule); }
.lead-media { position: relative; min-height: 340px; overflow: hidden; background: var(--blue); }
.lead-media a { display: block; height: 100%; }
.lead-media img { width: 100%; height: 100%; min-height: 340px; object-fit: cover; }
.lead-media .geometry-plate { position: absolute; right: 24px; bottom: 24px; display: flex; align-items: end; gap: 8px; pointer-events: none; }
.geometry-plate i { width: 23px; height: 23px; border-radius: 50%; background: var(--red); border: 1px solid var(--ink); }
.geometry-plate b { width: 23px; height: 23px; background: var(--blue); border: 1px solid var(--ink); }
.geometry-plate em { width: 0; height: 0; border-right: 13px solid transparent; border-bottom: 25px solid var(--yellow); border-left: 13px solid transparent; }
.lead-copy { display: flex; flex-direction: column; justify-content: center; align-items: flex-start; padding: 8px 0; }
.lead-copy h2 { max-width: 14ch; margin: 0 0 18px; font: 700 clamp(2.7rem,5vw,5.4rem)/.91 var(--display); letter-spacing: -.015em; }
.lead-copy h2 a { text-decoration: none; }
.lead-copy h2 a:hover { text-decoration: underline; text-decoration-thickness: 2px; }
.lead-copy > p { max-width: 54ch; margin: 0 0 22px; color: var(--text-secondary); font-size: 1.1rem; line-height: 1.5; }
.story-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin: 0; color: var(--text-secondary); font-size: .83rem; font-weight: 600; }
.shape-marker { display: inline-block; flex: 0 0 12px; width: 12px; height: 12px; border: 1px solid var(--ink); }
.shape-guides { background: var(--blue); }
.shape-reviews { border-radius: 50%; background: var(--red); }
.shape-stories { width: 0; height: 0; border: 0; border-right: 7px solid transparent; border-bottom: 13px solid var(--yellow); border-left: 7px solid transparent; }
.lead-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 24px; margin-top: 28px; }
.button-link { display: inline-flex; min-height: 47px; align-items: center; justify-content: center; gap: 14px; padding: 11px 17px; border: 1px solid var(--ink); background: var(--ink); color: var(--on-ink); font-weight: 600; text-decoration: none; }
.button-link:hover { background: var(--blue-fill); border-color: var(--blue-fill); color: #fff; }
.text-link { display: inline-flex; align-items: center; gap: 9px; font-weight: 600; text-decoration: underline; }
.arrow-mark { width: 17px; height: 17px; fill: none; stroke: currentColor; stroke-width: 1.7; }

.topic-strip { display: grid; grid-template-columns: repeat(3,1fr); border-top: 2px solid var(--ink); border-bottom: 2px solid var(--ink); }
.topic-link { display: flex; min-height: 112px; align-items: center; gap: 16px; padding: 22px clamp(12px,3vw,38px); text-decoration: none; }
.topic-link + .topic-link { border-left: 1px solid var(--ink); }
.topic-link:hover { background: var(--yellow); color: var(--selection-ink); }
.topic-shape { display: grid; width: 37px; height: 37px; flex: 0 0 37px; place-items: center; border: 1px solid var(--ink); font: 700 1.2rem/1 var(--display); }
.topic-shape.guides { background: var(--blue); color: white; }
.topic-shape.reviews { border-radius: 50%; background: var(--red); color: white; }
.topic-shape.stories { background: var(--yellow); }
.topic-link span:last-child { display: flex; flex-direction: column; gap: 4px; }
.topic-link strong { font: 700 1.7rem/.95 var(--display); text-transform: uppercase; }
.topic-link small { color: var(--muted); font-size: .83rem; }

.archive-section { padding: clamp(56px,8vw,108px) 0; }
.archive-heading { display: flex; align-items: end; justify-content: space-between; gap: 24px; margin-bottom: 34px; }
.archive-heading h2 { margin: 0; font: 700 clamp(3rem,7vw,6.3rem)/.86 var(--display); text-transform: uppercase; }
.archive-heading p { max-width: 56ch; margin: 14px 0 0; color: var(--muted); font-size: 1.02rem; }
.archive-total { display: flex; flex-direction: column; align-items: end; margin: 0; font-size: .82rem; text-align: right; }
.archive-total strong { font: 700 2.6rem/.85 var(--display); }
.archive-tools { display: grid; grid-template-columns: minmax(250px,.8fr) minmax(350px,1.2fr); align-items: end; gap: 26px; padding: 20px 0; border-top: 1px solid var(--ink); border-bottom: 1px solid var(--ink); }
.search-control label, .filter-label { display: block; margin-bottom: 7px; font-size: .78rem; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; }
.search-input-wrap { display: flex; min-height: 46px; align-items: center; gap: 11px; padding: 0 12px; border: 1px solid var(--ink); background: var(--surface); }
.search-input-wrap svg { width: 19px; height: 19px; fill: none; stroke: currentColor; stroke-width: 1.6; }
.search-input-wrap input { width: 100%; min-width: 0; border: 0; outline: 0; background: transparent; color: var(--ink); }
.search-input-wrap input:focus-visible { outline: 0; }
.search-input-wrap:focus-within { outline: 3px solid var(--blue); outline-offset: 3px; }
.search-input-wrap input::placeholder { color: var(--placeholder); }
.filter-control { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.filter-label { width: 100%; margin: 0 0 1px; }
.filter-button { min-height: 44px; padding: 7px 13px; border: 1px solid var(--ink); background: transparent; color: var(--ink); font-size: .9rem; font-weight: 600; cursor: pointer; }
.filter-button:hover, .filter-button[aria-pressed="true"] { background: var(--ink); color: var(--on-ink); }
.archive-status { min-height: 1.4em; margin: 16px 0 0; color: var(--muted); font-size: .85rem; }
.story-list { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--soft-rule); }
.story-row { display: grid; grid-template-columns: minmax(120px,180px) minmax(0,1fr) 54px; align-items: center; gap: clamp(14px,2.8vw,38px); padding: 22px 0; border-bottom: 1px solid var(--soft-rule); }
.story-row[hidden] { display: none; }
.story-thumb { display: block; overflow: hidden; background: var(--thumb-placeholder); aspect-ratio: 16/10; }
.story-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .35s ease; }
.story-thumb:hover img { transform: scale(1.035); }
.thumb-geometry { display: block; width: 100%; height: 100%; background: var(--yellow); position: relative; }
.thumb-geometry::before { content: ''; position: absolute; top: 14%; left: 12%; width: 36%; height: 54%; background: var(--red); border-radius: 50%; }
.thumb-geometry::after { content: ''; position: absolute; right: 12%; bottom: 12%; width: 35%; height: 42%; background: var(--blue); }
.story-row-copy { min-width: 0; }
.story-row-copy h3 { max-width: 42ch; margin: 7px 0 6px; font: 700 clamp(1.5rem,2.6vw,2.3rem)/.98 var(--display); }
.story-row-copy h3 a { text-decoration: none; }
.story-row-copy h3 a:hover { text-decoration: underline; }
.story-excerpt { max-width: 76ch; margin: 0; color: var(--text-secondary); font-size: .95rem; line-height: 1.45; overflow-wrap: anywhere; }
.story-reading { display: flex; gap: 14px; margin: 8px 0 0; color: var(--muted); font-size: .76rem; font-weight: 600; }
.story-open { display: flex; min-height: 44px; flex-direction: column; align-items: center; justify-content: center; gap: 5px; font-size: .77rem; font-weight: 600; text-decoration: none; }
.story-open svg { width: 24px; height: 24px; fill: none; stroke: currentColor; stroke-width: 1.6; }
.story-open:hover { color: var(--blue); }
.archive-empty { padding: 25px; border: 1px solid var(--ink); background: var(--surface); }

.archive-page-heading { display: grid; grid-template-columns: minmax(0,1fr) minmax(180px,.35fr); align-items: end; gap: 26px; padding: clamp(45px,8vw,96px) 0 35px; border-bottom: 2px solid var(--ink); }
.archive-page-heading h1 { margin: 0; font: 700 clamp(3.8rem,9vw,8rem)/.82 var(--display); text-transform: uppercase; }
.archive-page-heading p { max-width: 34ch; margin: 0; color: var(--muted); font-size: 1.05rem; }

.article-shell { padding: clamp(40px,7vw,88px) 0 96px; }
.article-heading { max-width: 1040px; margin: 0 auto; }
.article-heading h1 { max-width: 17ch; margin: 0; font: 700 clamp(3rem,7.5vw,7.8rem)/.86 var(--display); letter-spacing: -.02em; }
.article-deck { max-width: 74ch; margin: 21px 0 20px; color: var(--text-secondary); font-size: clamp(1.1rem,2vw,1.4rem); line-height: 1.4; }
.article-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 9px; padding: 15px 0; border-top: 1px solid var(--ink); border-bottom: 1px solid var(--soft-rule); font-size: .87rem; }
.article-cover { margin: 28px 0 0; }
.article-cover img { width: 100%; max-height: 680px; object-fit: cover; background: var(--thumb-placeholder); }
.article-cover figcaption { margin-top: 7px; color: var(--muted); font-size: .82rem; }
.article-grid { display: grid; grid-template-columns: minmax(0, min(72ch, 1fr)) minmax(190px,250px); justify-content: center; gap: clamp(36px,7vw,110px); margin: 52px auto 0; max-width: 1100px; }
.article-body { min-width: 0; font-size: 1.08rem; line-height: 1.72; overflow-wrap: anywhere; }
.article-body > * { max-width: 72ch; }
.article-body h2 { margin: 2.3em 0 .65em; font: 700 clamp(2rem,4vw,3.1rem)/.95 var(--display); }
.article-body h3 { margin: 2em 0 .55em; font: 700 1.7rem/1 var(--display); }
.article-body p { margin: 0 0 1.25em; }
.article-body a { color: var(--link); }
.article-body blockquote { margin: 1.8em 0; padding: 7px 0 7px 22px; border-left: 3px solid var(--blue); font-size: 1.18em; }
.article-body figure { margin: 2em 0; }
.article-body img { width: auto; max-width: 100%; height: auto; margin-inline: auto; }
.article-body figcaption { color: var(--muted); font-size: .82rem; line-height: 1.4; }
.article-body ul, .article-body ol { padding-left: 1.4em; margin: 0 0 1.3em; }
.article-body li { padding-left: .2em; margin: .4em 0; }
.article-body pre { overflow-x: auto; padding: 16px; border: 1px solid var(--ink); background: var(--code-bg); font-size: .9rem; line-height: 1.45; }
.article-body code { font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: .9em; }
.article-body table { display: block; width: 100%; overflow-x: auto; border-collapse: collapse; font-size: .91rem; }
.article-body th, .article-body td { padding: 9px 12px; border: 1px solid var(--soft-rule); text-align: left; }
.article-body th { background: var(--yellow); }
.article-rail { align-self: start; position: sticky; top: 28px; padding-top: 9px; border-top: 2px solid var(--ink); }
.article-rail h2 { margin: 0 0 12px; font: 700 1.5rem/1 var(--display); text-transform: uppercase; }
.article-rail a { display: block; padding: 12px 0; border-top: 1px solid var(--soft-rule); font-weight: 600; text-decoration: none; }
.article-rail a:hover { color: var(--blue); }
.source-video { margin: 2em 0; padding: 22px; border: 1px solid var(--ink); background: var(--callout-bg); }
.source-video button { min-height: 45px; padding: 10px 15px; border: 1px solid var(--ink); background: var(--blue-fill); color: #fff; font-weight: 600; cursor: pointer; }
.source-video button:hover { background: var(--ink); color: var(--on-ink); }
.source-video p { margin: 0 0 12px; }
.source-video iframe { display: block; width: 100%; aspect-ratio: 16/9; border: 0; background: #111; }
.video-placeholder { margin: 1.5em 0; }
.video-unavailable { padding: 12px; border: 1px dashed var(--soft-rule); color: var(--muted); }

.about-panel { display: grid; grid-template-columns: 1fr .7fr; gap: 32px; align-items: start; padding: 28px 0; border-top: 2px solid var(--ink); }
.about-panel h2 { margin: 0; font: 700 clamp(2.2rem,5vw,4rem)/.9 var(--display); }
.about-panel p { margin: 0; max-width: 60ch; }
.not-found { min-height: 55vh; display: grid; place-content: center; text-align: center; }
.not-found h1 { margin: 0; font: 700 clamp(4rem,10vw,8rem)/.85 var(--display); }
.not-found p { margin: 18px auto; max-width: 42ch; }

.site-footer { display: grid; grid-template-columns: 1.2fr 1fr 1.3fr; align-items: start; gap: 22px; padding: 28px 0 34px; border-top: 2px solid var(--ink); }
.footer-brand { display: block; width: 75px; height: 75px; }
.footer-brand img { width: 100%; height: 100%; object-fit: contain; }
.site-footer p { margin: 0; max-width: 27ch; font-weight: 600; line-height: 1.2; }
.site-footer nav { display: flex; flex-wrap: wrap; gap: 8px 18px; justify-content: end; }
.site-footer nav .menu { display: flex; flex-wrap: wrap; justify-content: end; gap: 8px 18px; margin: 0; padding: 0; list-style: none; }
.site-footer nav .menu li { margin: 0; padding: 0; }
.site-footer nav a { font-size: .9rem; }
.footer-bottom { grid-column: 1/-1; display: flex; align-items: center; justify-content: space-between; gap: 20px; padding-top: 18px; border-top: 1px solid var(--soft-rule); }
.footer-bottom small { max-width: 42ch; color: var(--muted); font-size: .8rem; }
.agency-credit { display: inline-flex; width: 272px; min-height: 55px; flex: 0 0 auto; align-items: center; gap: 11px; padding: 8px 12px; border: 1px solid #27364d; border-radius: 11px; background: #0b1320; color: #f4f7ff; text-decoration: none; }
.agency-credit:hover { border-color: #38d9ff; color: #f4f7ff; }
.agency-credit-mark { display: grid; width: 36px; height: 36px; flex: 0 0 auto; place-items: center; border: 1px solid #25445a; border-radius: 9px; background: #07101c; }
.agency-credit-mark img { width: 26px; height: 26px; object-fit: contain; }
.agency-credit-copy { display: flex; min-width: 0; flex-direction: column; gap: 3px; }
.agency-credit-label { color: #79a9d7; font-size: .57rem; font-weight: 700; letter-spacing: .13em; line-height: 1; text-transform: uppercase; white-space: nowrap; }
.agency-credit-name { color: #f4f7ff; font-size: .86rem; font-weight: 700; line-height: 1.1; white-space: nowrap; }
.agency-credit-arrow { width: 16px; height: 16px; flex: 0 0 auto; margin-left: auto; color: #38d9ff; }

@media (max-width: 850px) {
  :root { --shell: min(calc(100% - 32px), 720px); }
  .site-header { grid-template-columns: 1fr auto; min-height: 76px; }
  .brand-logo { width: 58px; height: 58px; }
  .header-actions { grid-column: 2; grid-row: 1; }
  .main-nav { grid-column: 1/-1; grid-row: 2; justify-content: start; overflow-x: auto; padding: 0 0 14px; }
  .brand-intro { grid-template-columns: 1fr; gap: 18px; padding-top: 55px; }
  .brand-intro h1 { max-width: 12ch; }
  .brand-intro p { margin: 0; }
  .lead-story { grid-template-columns: 1fr; }
  .lead-media, .lead-media img { min-height: 280px; max-height: 54vw; }
  .lead-copy { padding-top: 0; }
  .archive-tools { grid-template-columns: 1fr; }
  .article-grid { grid-template-columns: 1fr; }
  .article-rail { position: static; }
  .about-panel { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
  :root { --shell: min(calc(100% - 24px), 540px); }
  .brand-intro { padding: 42px 0 24px; }
  .brand-intro h1 { font-size: clamp(3.65rem,18vw,6.4rem); }
  .lead-story { gap: 22px; padding-bottom: 56px; }
  .lead-media { min-height: 0; aspect-ratio: 16/9; }
  .lead-media a { height: 100%; }
  .lead-media img { width: 100%; height: 100%; min-height: 0; max-height: none; aspect-ratio: auto; object-fit: cover; }
  .topic-strip { grid-template-columns: 1fr; }
  .topic-link { min-height: 74px; padding: 14px 6px; }
  .topic-link + .topic-link { border-top: 1px solid var(--ink); border-left: 0; }
  .topic-shape { width: 30px; height: 30px; flex-basis: 30px; }
  .archive-heading { align-items: start; flex-direction: column; }
  .archive-total { align-items: start; text-align: left; }
  .story-row { grid-template-columns: 82px minmax(0,1fr); gap: 13px; padding: 17px 0; }
  .story-thumb { aspect-ratio: 1/1; }
  .story-row-copy h3 { font-size: 1.55rem; }
  .story-excerpt { font-size: .9rem; }
  .story-open { grid-column: 2; flex-direction: row; justify-self: start; gap: 8px; margin-top: 2px; }
  .archive-page-heading { grid-template-columns: 1fr; gap: 15px; }
  .article-shell { padding-top: 40px; }
  .article-heading h1 { font-size: clamp(3rem,13vw,5rem); }
  .article-grid { margin-top: 34px; }
  .site-footer { grid-template-columns: 1fr; gap: 16px; }
  .footer-bottom { align-items: stretch; flex-direction: column; gap: 14px; }
  .agency-credit { align-self: flex-end; max-width: 100%; }
  .site-footer nav { justify-content: start; }
  .site-footer nav .menu { justify-content: start; }
  .site-footer small { margin-top: 4px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}

.recent-rail { display: grid; grid-template-columns: minmax(180px,.6fr) minmax(0,1.4fr); gap: 28px; padding: 25px 0; border-top: 1px solid var(--ink); border-bottom: 1px solid var(--ink); }
.recent-rail h2 { margin: 0; font: 700 clamp(1.8rem,3.2vw,2.8rem)/.9 var(--display); text-transform: uppercase; }
.recent-rail ul { margin: 0; padding: 0; list-style: none; }
.recent-rail li { display: grid; grid-template-columns: 14px minmax(0,1fr) auto; align-items: start; gap: 9px 12px; padding: 10px 0; border-top: 1px solid var(--soft-rule); }
.recent-rail li:first-child { border-top: 0; }
.recent-rail li a { font-weight: 600; text-decoration: none; }
.recent-rail li a:hover { color: var(--blue); text-decoration: underline; }
.recent-rail time { color: var(--muted); font-size: .78rem; }
.video-index { display: grid; grid-template-columns: minmax(0,.7fr) minmax(0,1.3fr); gap: 24px; align-items: start; margin-top: 30px; padding: 18px 0; border-top: 1px solid var(--ink); border-bottom: 1px solid var(--soft-rule); }
.video-index h2 { margin: 0; font: 700 1.7rem/.95 var(--display); text-transform: uppercase; }
.video-index p { margin: 8px 0 0; color: var(--muted); font-size: .9rem; }
.video-index-links { display: flex; flex-wrap: wrap; gap: 8px 18px; }
.video-index-links a { font-weight: 600; }
.video-privacy-note { color: var(--muted); font-size: .88rem; }
.source-video { margin: 1.8em 0; padding: 18px; border: 1px solid var(--ink); background: var(--callout-bg); }
.source-video p { margin: 0 0 12px; }
.source-video a { font-size: .9rem; font-weight: 600; }
.video-load-button { min-height: 44px; margin: 0 14px 10px 0; padding: 9px 14px; border: 1px solid var(--ink); background: var(--blue-fill); color: #fff; font-weight: 600; cursor: pointer; }
.video-load-button:hover { background: var(--ink); color: var(--on-ink); }
.source-video iframe { display: block; width: 100%; aspect-ratio: 16/9; border: 0; background: #111; }
.screen-reader-text { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(1px,1px,1px,1px); white-space: nowrap; }
.screen-reader-text:focus { z-index: 1000; top: 10px; left: 10px; width: auto; height: auto; padding: 10px 14px; clip: auto; background: var(--ink); color: var(--on-ink); outline: 3px solid var(--blue); outline-offset: 3px; }
.search-form { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; max-width: 38rem; }
.search-form label { flex: 1 1 16rem; }
.search-field { width: 100%; min-height: 46px; padding: 9px 12px; border: 1px solid var(--ink); background: var(--surface); color: var(--ink); }
.search-submit { min-height: 46px; padding: 9px 16px; border: 1px solid var(--ink); background: var(--ink); color: var(--on-ink); font-weight: 600; cursor: pointer; }
.search-submit:hover { background: var(--blue-fill); border-color: var(--blue-fill); color: #fff; }
.pagination { margin: 28px 0; }
.pagination ul { display: flex; flex-wrap: wrap; gap: 8px; margin: 0; padding: 0; list-style: none; }
.pagination a, .pagination span { display: inline-grid; min-width: 44px; min-height: 44px; place-items: center; padding: 8px; border: 1px solid var(--soft-rule); }
.reading-progress { position: fixed; z-index: 1001; top: 0; left: 0; width: 100%; height: 3px; transform: scaleX(0); transform-origin: left center; background: var(--red); pointer-events: none; }
.article-grid-about { grid-template-columns: minmax(0,72ch); }

@media (max-width: 850px) {
  .recent-rail { grid-template-columns: 1fr; gap: 12px; }
  .video-index { grid-template-columns: 1fr; gap: 12px; }
}

:root[data-theme="light"] { color-scheme: light; }
:root[data-theme="dark"] {
  color-scheme: dark;
  --paper: #111820;
  --surface: #1b2633;
  --ink: #edf3fc;
  --muted: #b4c0d0;
  --rule: #dce5f0;
  --soft-rule: #48586c;
  --red: #ff8978;
  --blue: #a4c3ff;
  --yellow: #f1d27b;
  --link: #a9c7ff;
  --placeholder: #b4c0d0;
  --thumb-placeholder: #273543;
  --code-bg: #182431;
  --callout-bg: #202d3c;
  --text-secondary: #c5d0df;
  --on-ink: #111820;
  --selection-ink: #111820;
  --blue-fill: #304f82;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    color-scheme: dark;
    --paper: #111820;
    --surface: #1b2633;
    --ink: #edf3fc;
    --muted: #b4c0d0;
    --rule: #dce5f0;
    --soft-rule: #48586c;
    --red: #ff8978;
    --blue: #a4c3ff;
    --yellow: #f1d27b;
    --link: #a9c7ff;
    --placeholder: #b4c0d0;
    --thumb-placeholder: #273543;
    --code-bg: #182431;
    --callout-bg: #202d3c;
    --text-secondary: #c5d0df;
    --on-ink: #111820;
    --selection-ink: #111820;
    --blue-fill: #304f82;
  }
}