/* Fonts are served from this site (no third-party requests). Archivo and Literata: SIL Open Font License. */
@font-face { font-family: "Archivo"; src: url("fonts/archivo-var.woff2") format("woff2"); font-weight: 100 900; font-stretch: 62% 125%; font-display: swap; }
@font-face { font-family: "Literata"; src: url("fonts/literata-regular.woff2") format("woff2"); font-weight: 400; font-display: swap; }
@font-face { font-family: "Literata"; src: url("fonts/literata-semibold.woff2") format("woff2"); font-weight: 600 700; font-display: swap; }

/* ZNexora Tech: professional news-magazine design.
   White pages, navy type, thin rules; section colors appear only in small labels
   (blue news, violet recap, rose exploited, magenta theory, teal practical, amber blog). */
:root {
  color-scheme: light;
  --bg: #ffffff;
  --soft: #f4f6fa;
  --surface: #ffffff;
  --ink: #0b1a3a;
  --ink-2: #1f2a44;
  --muted: #5b6478;
  --line: #e2e6ee;
  --link: #1d4ed8;
  --blue: #1d4ed8; --cyan: #0891b2; --violet: #6d28d9; --magenta: #a21caf; --teal: #0f766e; --rose: #be123c; --amber: #b45309;
  --crit: #b91c1c; --high: #c2410c; --med: #a16207; --low: #15803d; --none: #64748b;
  --navy: #0b1a3a; --navy-2: #13275a; --on-navy: #e6ecf7; --on-navy-muted: #aab7d3;
  --head-ink: #0b1a3a; --head-muted: #475569; --head-field: #f1f4f9;
  --thanks-bg: linear-gradient(135deg, #eef4ff 0%, #f6f0ff 55%, #ecfbf8 100%);
  --radius: 10px;
  --ui: "Archivo", "Helvetica Neue", Arial, sans-serif;
  --read: "Literata", Georgia, "Times New Roman", serif;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --bg: #070d1f; --soft: #0c1530; --surface: #0e1730; --ink: #e8edf6; --ink-2: #d5ddeb; --muted: #9aa8c4; --line: #1f2b4d; --link: #7cb7ff;
    --blue: #7cb7ff; --cyan: #22d3ee; --violet: #b69cff; --magenta: #f0a6ff; --teal: #5eead4; --rose: #fda4af; --amber: #fcd34d;
    --crit: #ff8a8a; --high: #ffb27a; --med: #f0d36a; --low: #86efac; --none: #9aa8c4;
    --head-ink: #e8edf6; --head-muted: #a9b6d0; --head-field: #0d1736;
    --thanks-bg: linear-gradient(135deg, #0f1c3d 0%, #1a1440 55%, #0c2530 100%);
  }
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #070d1f; --soft: #0c1530; --surface: #0e1730; --ink: #e8edf6; --ink-2: #d5ddeb; --muted: #9aa8c4; --line: #1f2b4d; --link: #7cb7ff;
  --blue: #7cb7ff; --cyan: #22d3ee; --violet: #b69cff; --magenta: #f0a6ff; --teal: #5eead4; --rose: #fda4af; --amber: #fcd34d;
  --crit: #ff8a8a; --high: #ffb27a; --med: #f0d36a; --low: #86efac; --none: #9aa8c4;
  --head-ink: #e8edf6; --head-muted: #a9b6d0; --head-field: #0d1736;
  --thanks-bg: linear-gradient(135deg, #0f1c3d 0%, #1a1440 55%, #0c2530 100%);
}
.t-news { --k: var(--blue); } .t-recap { --k: var(--violet); } .t-exploit { --k: var(--rose); }
.t-theory { --k: var(--magenta); } .t-practical { --k: var(--teal); } .t-blog { --k: var(--amber); }

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 400 1rem/1.55 var(--ui); }
a { color: var(--link); }
a:focus-visible, button:focus-visible, input:focus-visible { outline: 3px solid var(--cyan); outline-offset: 2px; }
img { max-width: 100%; }
.wrap { max-width: 78rem; margin: 0 auto; padding: 0 1.25rem; }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; left: -999px; }
.skip:focus { left: 1rem; top: 1rem; background: var(--surface); padding: .5rem 1rem; z-index: 10; }
.ico { display: block; flex: none; }
.empty { color: var(--muted); padding: 1rem 0; }

/* ---------- Header ---------- */
.topbar { background: var(--navy); color: var(--on-navy-muted); font-size: .82rem; }
.topbar-row { display: flex; align-items: center; gap: 1.25rem; min-height: 2.4rem; flex-wrap: wrap; }
.today { color: var(--on-navy); font-weight: 600; }
.topbar-tag { flex: 1 1 auto; }
.topbar-social { list-style: none; margin: 0; padding: 0; display: flex; gap: .15rem; }
.topbar-social a { display: grid; place-items: center; width: 30px; height: 30px; border-radius: 6px; color: var(--on-navy-muted); }
.topbar-social a:hover { color: #fff; background: rgba(255, 255, 255, .08); }
.topbar-sub { display: inline-flex; align-items: center; gap: .4rem; color: #fff; font-weight: 700; text-decoration: none; padding: .3rem .75rem; border-radius: 6px; background: #1d4ed8; }
.topbar-sub:hover { background: #2563eb; }
@media (max-width: 760px) { .topbar-tag, .topbar-social { display: none; } .topbar-row { justify-content: space-between; } }

.masthead { background: var(--bg); position: relative; }
.masthead-row { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding-top: 1.1rem; padding-bottom: 1rem; flex-wrap: wrap; }
.brand-group { display: flex; align-items: center; gap: 1.1rem; min-width: 0; }
.brand { display: block; line-height: 0; flex: none; }
.logo-text { display: block; font-size: 1.8rem; font-weight: 800; font-stretch: 85%; color: var(--ink); line-height: 1.1; }
.brand .logo-single { height: 62px; width: auto; display: block; }
.header-cover { display: block; line-height: 0; flex: none; padding-left: 1.1rem; border-left: 1px solid var(--line); }
.header-cover img { height: 64px; width: auto; display: block; border-radius: 8px; box-shadow: 0 4px 14px rgba(11, 26, 58, .18); }
.header-cover:hover img { box-shadow: 0 6px 20px rgba(11, 26, 58, .28); }
@media (max-width: 900px) { .header-cover { display: none; } }
.brand img { height: 62px; width: auto; display: block; }
.logo-on-dark { display: none !important; }
.brand .logo-on-dark { height: 88px; margin: -12px 0; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .logo-on-light { display: none !important; }
  :root:not([data-theme="light"]) .logo-on-dark { display: block !important; }
}
:root[data-theme="dark"] .logo-on-light { display: none !important; }
:root[data-theme="dark"] .logo-on-dark { display: block !important; }
.tools { display: flex; gap: .5rem; align-items: center; flex: 1 1 18rem; justify-content: flex-end; }
.search { position: relative; flex: 1 1 auto; max-width: 22rem; }
.search input { width: 100%; font: inherit; padding: .6rem .95rem; border: 1px solid var(--line); border-radius: 999px; background: var(--head-field); color: var(--head-ink); }
.search input::placeholder { color: var(--head-muted); }
#search-results { position: absolute; z-index: 20; left: 0; right: 0; top: calc(100% + 6px); margin: 0; padding: .25rem 0; list-style: none; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: 0 12px 32px rgba(11, 26, 58, .14); }
#search-results li a, #search-results .empty { display: block; padding: .55rem .9rem; text-decoration: none; color: var(--ink); }
#search-results li a:hover { background: var(--soft); }
#theme-toggle { border: 1px solid var(--line); background: var(--head-field); color: var(--head-ink); border-radius: 999px; width: 2.6rem; height: 2.6rem; cursor: pointer; display: grid; place-items: center; }
.mainnav { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--bg); }
.mainnav ul { list-style: none; margin: 0; padding: 0; display: flex; gap: 0 1.6rem; overflow-x: auto; scrollbar-width: none; }
.mainnav a { display: block; padding: .85rem 0 .75rem; color: var(--ink); text-decoration: none; font-weight: 700; font-size: .95rem; white-space: nowrap; border-bottom: 3px solid transparent; }
.mainnav a:hover { color: var(--link); }
.mainnav a[aria-current="page"] { border-bottom-color: var(--link); color: var(--link); }
.color-strip { height: 3px; background: linear-gradient(90deg, #2563eb 0%, #06b6d4 25%, #7c3aed 50%, #c026d3 72%, #0d9488 100%); }

/* ---------- Shared story parts ---------- */
main.wrap { padding-top: 1.75rem; padding-bottom: 3.5rem; }
.kicker { display: inline-block; font-size: .75rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; color: var(--k, var(--blue)); margin-bottom: .35rem; }
.dek { margin: .35rem 0 0; color: var(--muted); font-size: .97rem; }
.meta { display: flex; align-items: center; flex-wrap: wrap; gap: .3rem .75rem; margin: .5rem 0 0; font-size: .83rem; color: var(--muted); }
.meta .ext { display: inline-flex; align-items: center; gap: .3rem; }
.sev { display: inline-flex; align-items: center; justify-content: center; min-width: 2.4rem; padding: .1rem .45rem; border-radius: 5px; font-weight: 800; font-size: .78rem; color: #fff; background: var(--none); font-variant-numeric: tabular-nums; }
.sev-critical { background: var(--crit); } .sev-high { background: var(--high); } .sev-medium { background: var(--med); } .sev-low { background: var(--low); }
h1 a, h2 a, h3 a { color: inherit; text-decoration: none; }
h1 a:hover, h2 a:hover, h3 a:hover { color: var(--link); text-decoration: underline; text-decoration-thickness: 2px; text-underline-offset: 3px; }
.row-pic { align-self: start; }
.card-pic, .row-pic, .lead-pic { display: block; line-height: 0; overflow: hidden; border-radius: var(--radius); background: var(--navy); }
.card-pic img, .row-pic img, .lead-pic img { width: 100%; height: auto; aspect-ratio: 1200 / 630; object-fit: cover; display: block; transition: transform .25s ease; }
.card-pic:hover img, .row-pic:hover img, .lead-pic:hover img { transform: scale(1.03); }
.card-pic img[src*="blogger"], .card-pic img[src*="blogspot"] { object-position: center top; }
.blog-noimg { display: grid; place-items: center; aspect-ratio: 16 / 9; color: #fff; background: linear-gradient(135deg, #b45309, #7c3aed); }

.section-head { display: flex; justify-content: space-between; align-items: baseline; gap: 1rem; border-top: 3px solid var(--ink); padding-top: .7rem; margin: 2.4rem 0 1.1rem; }
.section-head h2 { margin: 0; font-size: 1.3rem; font-weight: 800; font-stretch: 90%; display: flex; align-items: center; gap: .55rem; }
.section-head h2::before { content: ""; width: .7rem; height: .7rem; border-radius: 2px; background: var(--k, var(--blue)); }
.more { font-weight: 700; font-size: .9rem; text-decoration: none; color: var(--link); white-space: nowrap; }
.more:hover { text-decoration: underline; }

/* ---------- Home ---------- */

.top-grid { display: grid; grid-template-columns: minmax(0, 1fr); gap: 2rem; padding-bottom: 1.75rem; border-bottom: 1px solid var(--line); }
@media (min-width: 960px) { .top-grid { grid-template-columns: minmax(0, 2.1fr) minmax(0, 1fr); } }
.lead-pic { margin-bottom: 1rem; }
.lead-title { margin: 0; font-size: clamp(1.7rem, 3.4vw, 2.6rem); line-height: 1.1; font-weight: 800; font-stretch: 85%; letter-spacing: -.01em; }
.lead .dek { font-size: 1.1rem; max-width: 46rem; }
.latest-rail h2 { margin: 0 0 .5rem; font-size: 1rem; font-weight: 800; text-transform: uppercase; letter-spacing: .1em; padding-bottom: .55rem; border-bottom: 3px solid var(--ink); }
.latest-rail ol { list-style: none; margin: 0; padding: 0; counter-reset: n; }
.latest-rail li { counter-increment: n; position: relative; padding: .85rem 0 .85rem 2.4rem; border-bottom: 1px solid var(--line); }
.latest-rail li::before { content: counter(n); position: absolute; left: 0; top: .8rem; font-size: 1.5rem; font-weight: 800; color: color-mix(in srgb, var(--muted) 45%, transparent); font-variant-numeric: tabular-nums; line-height: 1; }
.latest-rail li a { display: block; color: var(--ink); text-decoration: none; font-weight: 700; line-height: 1.3; }
.latest-rail li a:hover { color: var(--link); text-decoration: underline; }
.latest-rail .kicker { margin-bottom: .2rem; }
.latest-rail time { display: block; margin-top: .3rem; font-size: .8rem; color: var(--muted); }
.welcome { padding: 1rem 0 2rem; border-bottom: 1px solid var(--line); }
.welcome h1 { margin: 0; font-size: clamp(2rem, 4.5vw, 3rem); font-weight: 800; font-stretch: 82%; }
.welcome p { color: var(--muted); max-width: 44rem; }

.card-row { display: grid; grid-template-columns: minmax(0, 1fr); gap: 1.6rem; padding: 1.75rem 0 .5rem; }
@media (min-width: 700px) { .card-row { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
.card h3 { margin: .1rem 0 0; font-size: 1.12rem; line-height: 1.28; font-weight: 750; }
.card-body { padding-top: .85rem; }
.card-lg h3 { font-size: 1.45rem; font-stretch: 88%; }
.card-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 14rem), 1fr)); gap: 1.6rem; }
.card-grid-3 { grid-template-columns: repeat(auto-fill, minmax(min(100%, 18rem), 1fr)); margin-top: 1.5rem; }

.with-sidebar { display: grid; grid-template-columns: minmax(0, 1fr); gap: 2.5rem; }
@media (min-width: 1000px) { .with-sidebar { grid-template-columns: minmax(0, 1fr) 21rem; } }
.rows { display: grid; }
.row { display: grid; grid-template-columns: minmax(0, 1fr); gap: .9rem; padding: 1.15rem 0; border-bottom: 1px solid var(--line); }
.row:first-child { padding-top: 0; }
@media (min-width: 560px) { .row { grid-template-columns: 15rem minmax(0, 1fr); gap: 1.3rem; } }
.row h3 { margin: 0; font-size: 1.2rem; line-height: 1.28; font-weight: 750; }
.learn-grid { display: grid; grid-template-columns: minmax(0, 1fr); gap: 1.75rem; }
@media (min-width: 900px) { .learn-grid { grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); } .learn-list .row { grid-template-columns: 8.5rem minmax(0, 1fr); gap: 1rem; } .learn-list .row h3 { font-size: 1.02rem; } .learn-list .row .dek { display: none; } }

/* ---------- Sidebar ---------- */
.sidebar { display: grid; gap: 1.6rem; align-content: start; }
.widget { border-top: 3px solid var(--ink); padding-top: .8rem; }
.widget h2 { margin: 0 0 .8rem; font-size: 1rem; font-weight: 800; text-transform: uppercase; letter-spacing: .08em; }
.widget p { margin: 0 0 .7rem; color: var(--muted); font-size: .93rem; }
.cve-list { list-style: none; margin: 0 0 .7rem; padding: 0; }
.cve-list a { display: flex; gap: .7rem; align-items: center; padding: .55rem 0; border-bottom: 1px solid var(--line); text-decoration: none; color: var(--ink); font-weight: 700; font-size: .95rem; }
.cve-list a:hover span:last-child { color: var(--link); }
.cve-list small { display: block; font-weight: 500; color: var(--muted); font-size: .8rem; }
.widget-recap { border-top: 0; padding: 1.25rem; border-radius: var(--radius); background: linear-gradient(135deg, var(--navy) 0%, var(--navy-2) 100%); color: var(--on-navy); }
.widget-recap h2 { text-transform: none; letter-spacing: 0; font-size: 1.2rem; line-height: 1.25; }
.widget-recap p { color: var(--on-navy-muted); }
.widget-recap .more { color: #93c5fd; }
.kicker-light { margin: 0 0 .4rem !important; font-size: .75rem !important; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; color: #c4b5fd !important; }
.widget-about img { width: 100%; height: auto; border-radius: var(--radius); display: block; margin-bottom: .8rem; }
.widget-sub { border-top: 0; padding: 1.25rem; border-radius: var(--radius); background: var(--soft); border: 1px solid var(--line); }
.btn { display: inline-flex; align-items: center; gap: .5rem; min-height: 44px; padding: .55rem 1.1rem; border-radius: 8px; background: #1d4ed8; color: #fff !important; font-weight: 700; text-decoration: none; }
.btn:hover { background: #2563eb; }

/* ---------- Social ---------- */
.follow { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: .55rem; }
.chan { display: inline-flex; align-items: center; gap: .5rem; min-height: 44px; padding: .4rem .95rem .4rem .4rem; border-radius: 999px; background: var(--surface); border: 1px solid var(--line); color: var(--ink); font-weight: 650; font-size: .93rem; text-decoration: none; }
.chan:hover { border-color: var(--k); color: var(--k); }
.chan-ico { width: 32px; height: 32px; border-radius: 50%; display: grid; place-items: center; color: #fff; background: var(--k); }
.follow-compact { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .45rem; }
.follow-compact .chan { padding-right: .5rem; font-size: .88rem; }
.community { display: grid; grid-template-columns: minmax(0, 1fr); gap: 1rem 2rem; align-items: center; margin: 3rem 0 0; padding: 1.6rem; border-radius: 14px; background: var(--thanks-bg); border: 1px solid var(--line); }
.community h2 { margin: 0 0 .25rem; font-size: 1.35rem; font-weight: 800; }
.community p { margin: 0; color: var(--muted); }
@media (min-width: 980px) { .community { grid-template-columns: minmax(0, 18rem) minmax(0, 1fr); } }

/* ---------- Section pages ---------- */
.page-head { padding: .5rem 0 1.5rem; margin-bottom: 1.75rem; border-bottom: 1px solid var(--line); }
.page-head h1 { margin: 0; font-size: clamp(2rem, 4.5vw, 3rem); font-weight: 800; font-stretch: 82%; line-height: 1.05; }
.page-head p { margin: .6rem 0 0; color: var(--muted); font-size: 1.08rem; max-width: 46rem; }
.page-head .btn { margin-top: 1.1rem; }

/* ---------- Articles ---------- */
.article-layout { display: grid; grid-template-columns: minmax(0, 1fr); gap: 3rem; }
@media (min-width: 1080px) { .article-layout { grid-template-columns: minmax(0, 47rem) 15rem; justify-content: space-between; } }
.article { max-width: 47rem; }
.article-page { margin: 0 auto; }
.crumbs { margin: 0 0 .9rem; font-size: .88rem; color: var(--muted); display: flex; gap: .5rem; flex-wrap: wrap; }
.crumbs a { color: var(--muted); font-weight: 600; text-decoration: none; }
.crumbs a:hover { color: var(--link); text-decoration: underline; }
.article-head h1 { margin: 0; font-size: clamp(1.9rem, 4.2vw, 2.9rem); line-height: 1.08; font-weight: 800; font-stretch: 84%; letter-spacing: -.01em; }
.byline { display: flex; align-items: center; flex-wrap: wrap; gap: .3rem .6rem; margin: 1rem 0 0; color: var(--muted); font-size: .95rem; }
.byline strong { color: var(--ink); }
.dot { width: 4px; height: 4px; border-radius: 50%; background: var(--muted); }
.tags { display: flex; flex-wrap: wrap; gap: .45rem; margin: 1rem 0 0; }
.tag { display: inline-block; padding: .25rem .7rem; border-radius: 999px; font-size: .82rem; font-weight: 700; color: var(--k, var(--ink-2)); background: color-mix(in srgb, var(--k, var(--muted)) 11%, transparent); text-decoration: none; }
a.tag:hover { text-decoration: underline; }
.keypoints { margin: 1.6rem 0; padding: 1.2rem 1.35rem; border-radius: var(--radius); background: var(--soft); border-left: 4px solid var(--k, var(--blue)); }
.keypoints h2 { margin: 0 0 .5rem; font-size: .82rem; font-weight: 800; text-transform: uppercase; letter-spacing: .1em; color: var(--k, var(--blue)); }
.keypoints p { margin: 0; font-family: var(--read); font-size: 1.08rem; line-height: 1.6; }
.facts { display: grid; grid-template-columns: repeat(auto-fit, minmax(9rem, 1fr)); gap: .7rem 1.4rem; margin: 1rem 0 0; padding-top: 1rem; border-top: 1px solid var(--line); }
.facts dt { font-size: .78rem; color: var(--muted); }
.facts dd { margin: 0; font-weight: 700; overflow-wrap: anywhere; }
.article-cover { margin: 0 0 1.75rem; }
.article-cover img { width: 100%; height: auto; display: block; border-radius: var(--radius); background: var(--navy); }
.prose { font-family: var(--read); font-size: 1.1rem; line-height: 1.8; color: var(--ink-2); }
.prose h2 { font-family: var(--ui); color: var(--ink); font-stretch: 90%; font-size: 1.5rem; line-height: 1.2; margin: 2.4rem 0 .6rem; scroll-margin-top: 1rem; }
.prose h3 { font-family: var(--ui); color: var(--ink); font-size: 1.2rem; margin: 1.8rem 0 .4rem; }
.prose li { margin: .35rem 0; }
.prose a { overflow-wrap: anywhere; }
.prose blockquote { margin: 1.5rem 0; padding: .2rem 0 .2rem 1.2rem; border-left: 3px solid var(--line); color: var(--muted); }
.prose pre { position: relative; overflow-x: auto; background: #0b1a3a; color: #e6ecf7; border-radius: var(--radius); padding: 1rem 1.1rem; font-size: .88rem; line-height: 1.6; }
.prose code { font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace; font-size: .88em; }
.prose :not(pre) > code { background: var(--soft); border: 1px solid var(--line); border-radius: 4px; padding: .05em .35em; }
.copy-btn { position: absolute; top: .45rem; right: .45rem; font: 600 .75rem var(--ui); padding: .25rem .6rem; border: 1px solid #2b3b66; border-radius: 6px; background: #12245a; color: #e6ecf7; cursor: pointer; }
.table-wrap { overflow-x: auto; margin: 1.25rem 0; border: 1px solid var(--line); border-radius: var(--radius); }
.prose table { width: 100%; border-collapse: collapse; font-family: var(--ui); font-size: .93rem; line-height: 1.45; }
.prose th { text-align: left; background: var(--soft); font-weight: 700; }
.prose th, .prose td { border-bottom: 1px solid var(--line); padding: .6rem .8rem; vertical-align: top; }
.prose tr:last-child td { border-bottom: 0; }

.aside-sticky { position: sticky; top: 1.5rem; display: grid; gap: 1.6rem; }
.share-side h2, .toc h2, .share-bottom h2 { margin: 0 0 .6rem; font-size: .8rem; font-weight: 800; text-transform: uppercase; letter-spacing: .1em; color: var(--muted); }
.share-list { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: .45rem; }
.share-list a { display: inline-flex; align-items: center; gap: .45rem; min-height: 40px; padding: .35rem .75rem; border: 1px solid var(--line); border-radius: 8px; color: var(--ink); text-decoration: none; font-size: .88rem; font-weight: 650; }
.share-list a:hover { border-color: var(--link); color: var(--link); }
.share-side .share-list { display: grid; }
.toc ol { list-style: none; margin: 0; padding: 0; border-left: 2px solid var(--line); }
.toc a { display: block; padding: .3rem 0 .3rem .85rem; margin-left: -2px; border-left: 2px solid transparent; color: var(--muted); text-decoration: none; font-size: .9rem; line-height: 1.35; }
.toc a:hover { color: var(--link); border-left-color: var(--link); }
.share-bottom { margin-top: 2.5rem; padding-top: 1.25rem; border-top: 1px solid var(--line); }
@media (max-width: 1079px) { .article-aside { display: none; } }
.related { margin-top: 1rem; }

.thanks { margin-top: 2.5rem; padding: 1.8rem 1.5rem 1.4rem; border-radius: 14px; background: var(--thanks-bg); border: 1px solid var(--line); text-align: center; }
.thanks h2 { margin: 0; font-size: clamp(1.6rem, 4vw, 2.2rem); font-weight: 850; font-stretch: 85%; color: var(--ink); }
.thanks > p { margin: .45rem auto 0; color: var(--muted); max-width: 32rem; }
.thanks .follow { justify-content: center; }
.thanks .thanks-follow { color: var(--ink); margin: 1.4rem 0 .75rem; font-weight: 800; }
.thanks-motto { margin: 1.4rem 0 0 !important; font-size: .78rem; font-weight: 700; letter-spacing: .2em; text-transform: uppercase; }
.about-follow { margin-top: 2.5rem; padding-top: 1.5rem; border-top: 1px solid var(--line); }
.about-follow h2 { margin: 0 0 1rem; font-size: 1.3rem; }

/* ---------- Footer ---------- */
.footer { background: var(--navy); color: var(--on-navy-muted); }
.footer a { color: var(--on-navy); text-decoration: none; }
.footer a:hover { color: #fff; text-decoration: underline; }
.footer-grid { display: grid; grid-template-columns: minmax(0, 1.6fr) repeat(3, minmax(0, 1fr)); gap: 2rem; padding-top: 2.4rem; padding-bottom: 1.6rem; }
.footer-brand img { height: 76px; width: auto; display: block; margin: -6px 0 .6rem -6px; }
.footer .mission { margin: 0; max-width: 28rem; font-size: .93rem; }
.footer h2 { margin: 0 0 .75rem; font-size: .78rem; letter-spacing: .14em; text-transform: uppercase; color: #67e8f9; }
.footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: .45rem; font-size: .93rem; }
.foot-chan { display: inline-flex; align-items: center; gap: .55rem; }
.foot-chan .ico { color: #67e8f9; }
.footer-bottom { border-top: 1px solid rgba(170, 183, 211, .2); padding-top: 1.1rem; padding-bottom: 1.6rem; display: flex; flex-wrap: wrap; justify-content: space-between; gap: .5rem 2rem; align-items: baseline; }
.motto { margin: 0; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; font-size: .78rem; }
.motto span:nth-child(1) { color: #67e8f9; } .motto span:nth-child(2) { color: #a5b4fc; } .motto span:nth-child(3) { color: #5eead4; }
.fine { margin: 0; font-size: .8rem; }
@media (max-width: 900px) { .footer-grid { grid-template-columns: 1fr 1fr; } .footer-brand { grid-column: 1 / -1; } }

@media (max-width: 560px) {
  .brand img { height: 46px; }
  .brand .logo-on-dark { height: 66px; }
  .tools { flex-basis: 100%; }
  .search { max-width: none; }
  .mainnav ul { gap: 0 1.2rem; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; scroll-behavior: auto !important; } }

/* Pictures and slides inside articles */
.prose img { display: block; width: 100%; height: auto; margin: 1.3rem 0; border-radius: var(--radius); border: 1px solid var(--line); box-shadow: 0 6px 18px rgba(11, 26, 58, .08); }
.prose a[href$=".pdf"] { display: inline-flex; align-items: center; gap: .5rem; min-height: 44px; padding: .55rem 1.1rem; border-radius: 8px; background: #1d4ed8; color: #fff; font-family: var(--ui); font-weight: 700; font-size: .95rem; text-decoration: none; }
.prose a[href$=".pdf"]::before { content: "↓"; font-weight: 800; }
.prose a[href$=".pdf"]:hover { background: #2563eb; }

/* Cheat sheets */
.t-cheat { --k: var(--cyan); }
.prose a[href*="/assets/images/"][href$=".png"], .prose a[href*="/assets/images/"][href$=".jpg"], .prose a[href*="/assets/images/"][href$=".jpeg"], .prose a[href*="/assets/images/"][href$=".webp"] { display: inline-flex; align-items: center; gap: .5rem; min-height: 44px; padding: .55rem 1.1rem; border-radius: 8px; background: #1d4ed8; color: #fff; font-family: var(--ui); font-weight: 700; font-size: .95rem; text-decoration: none; }
.prose a[href*="/assets/images/"][href$=".png"]::before, .prose a[href*="/assets/images/"][href$=".jpg"]::before, .prose a[href*="/assets/images/"][href$=".jpeg"]::before, .prose a[href*="/assets/images/"][href$=".webp"]::before { content: "↓"; font-weight: 800; }
.t-course { --k: #4f46e5; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .t-course { --k: #a5b4fc; } }
:root[data-theme="dark"] .t-course { --k: #a5b4fc; }

/* Language switch and Japanese typography */
.lang-switch { display: inline-flex; align-items: center; min-height: 2.6rem; padding: 0 .95rem; border: 1px solid var(--line); border-radius: 999px; background: var(--head-field); color: var(--head-ink); font-weight: 700; font-size: .92rem; text-decoration: none; white-space: nowrap; }
.lang-switch:hover { border-color: var(--link); color: var(--link); }
.lang-badge { display: inline-block; margin-left: .4rem; padding: .05rem .4rem; border-radius: 4px; font-size: .68rem; font-weight: 700; color: var(--muted); border: 1px solid var(--line); vertical-align: 1px; }
:lang(ja) body, :lang(ja) .prose, :lang(ja) .keypoints p, :lang(ja) .lead { font-family: "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Noto Sans JP", "Yu Gothic UI", "Yu Gothic", Meiryo, var(--ui); }
:lang(ja) .prose { font-size: 1.04rem; line-height: 1.95; letter-spacing: .01em; }
:lang(ja) .prose h2, :lang(ja) .prose h3, :lang(ja) h1, :lang(ja) h2, :lang(ja) h3 { font-family: "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Noto Sans JP", "Yu Gothic UI", "Yu Gothic", Meiryo, var(--ui); font-stretch: 100%; letter-spacing: 0; }
:lang(ja) .kicker, :lang(ja) .widget h2, :lang(ja) .latest-rail h2, :lang(ja) .footer h2 { letter-spacing: .04em; }
:lang(ja) .lead-title, :lang(ja) .article-head h1, :lang(ja) .page-head h1 { line-height: 1.3; }