/* ==========================================================================
   nonnoalex.dev — Rack 01
   Direction and tokens: design/DIRECTION.md
   ========================================================================== */

/* ---------- Fonts ---------- */
@font-face { font-family: "Barlow Condensed"; src: url(/assets/fonts/barlow-condensed-500.woff2) format("woff2"); font-weight: 500; font-display: swap; }
@font-face { font-family: "Barlow Condensed"; src: url(/assets/fonts/barlow-condensed-600.woff2) format("woff2"); font-weight: 600; font-display: swap; }
@font-face { font-family: "Barlow Condensed"; src: url(/assets/fonts/barlow-condensed-700.woff2) format("woff2"); font-weight: 700; font-display: swap; }
@font-face { font-family: "Public Sans"; src: url(/assets/fonts/public-sans.woff2) format("woff2"); font-weight: 100 900; font-display: swap; }
@font-face { font-family: "IBM Plex Mono"; src: url(/assets/fonts/ibm-plex-mono-400.woff2) format("woff2"); font-weight: 400; font-display: swap; }
@font-face { font-family: "Barlow Condensed Fallback"; src: local("Arial Narrow"), local("Arial"), local("Liberation Sans"), local("Arimo");
  size-adjust: 78.14%; ascent-override: 127.98%; descent-override: 25.6%; line-gap-override: 0%; }
@font-face { font-family: "Public Sans Fallback"; src: local("Arial"), local("Liberation Sans"), local("Arimo"), local("Helvetica");
  size-adjust: 102.85%; ascent-override: 92.37%; descent-override: 22.36%; line-gap-override: 0%; }

/* ---------- Tokens ---------- */
:root {
  color-scheme: light dark;
  --ground: oklch(95.5% 0.004 250);
  --plate: oklch(88% 0.006 250);
  --plate-hi: oklch(94% 0.004 250);
  --plate-lo: oklch(78% 0.008 250);
  --screw: oklch(60% 0.008 250);
  --frame: oklch(24% 0.006 250);
  --frame-2: oklch(31% 0.006 250);
  --hole: oklch(12% 0.004 250);
  --on-frame: oklch(90% 0.004 250);
  --on-frame-2: oklch(76% 0.006 250);
  --ink: oklch(21% 0.01 250);
  --ink-2: oklch(42% 0.012 250);
  --rule: oklch(82% 0.008 250);
  --led: oklch(74% 0.18 58);
  --led-halo: oklch(74% 0.18 58 / 0.55);
  --led-off: oklch(56% 0.01 250);
  --led-ink: oklch(47% 0.14 48);
  --grain: oklch(100% 0 0 / 0.18);
  --code-ground: oklch(22% 0.006 250);
  --code-ink: oklch(92% 0.006 250);
  --vent: oklch(31% 0.006 250);
  --blank: oklch(31% 0.006 250);
  --edge: transparent;

  --display: "Barlow Condensed", "Barlow Condensed Fallback", "Arial Narrow", "Roboto Condensed", sans-serif;
  --text: "Public Sans", "Public Sans Fallback", system-ui, "Segoe UI", Roboto, Arial, "Liberation Sans", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, Consolas, "Cascadia Mono", "Liberation Mono", monospace;

  --t-display: clamp(3rem, min(1.2rem + 5vw, 10.5svh), 6.25rem);
  --t-h1: clamp(2.4rem, 1.4rem + 3vw, 4rem);
  --t-h2: clamp(1.75rem, 1.3rem + 1.5vw, 2.5rem);
  --t-h3: 1.375rem;
  --t-body: 1.0625rem;
  --t-read: 1.125rem;
  --t-small: 0.9375rem;
  --t-label: 0.875rem;

  --s-1: 4px; --s-2: 8px; --s-3: 12px; --s-4: 16px; --s-5: 24px; --s-6: 40px; --s-7: 64px; --s-8: 104px;
  --gutter: clamp(16px, 4vw, 56px);
  --gap: clamp(32px, 5vw, 88px);
  --page: 1560px;
  --r-plate: 2px; --r-button: 3px; --r-cabinet: 6px;
  --ease: cubic-bezier(.2, .8, .2, 1);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --ground: oklch(21% 0.008 250);
    --plate: oklch(27% 0.006 250);
    --plate-hi: oklch(31% 0.006 250);
    --plate-lo: oklch(21% 0.006 250);
    --screw: oklch(45% 0.006 250);
    --frame: oklch(10% 0.004 250);
    --frame-2: oklch(17% 0.004 250);
    --hole: oklch(34% 0.006 250);
    --vent: oklch(50% 0.008 250);
    --blank: oklch(27% 0.006 250);
    --edge: oklch(31% 0.008 250);
    --ink: oklch(94% 0.006 250);
    --ink-2: oklch(76% 0.01 250);
    --rule: oklch(32% 0.008 250);
    --led: oklch(76% 0.16 60);
    --led-halo: oklch(76% 0.16 60 / 0.5);
    --led-off: oklch(52% 0.006 250);
    --led-ink: oklch(80% 0.14 62);
    --grain: oklch(100% 0 0 / 0.05);
    --code-ground: oklch(12% 0.004 250);
  }
}
:root[data-theme="dark"] {
  --ground: oklch(21% 0.008 250); --plate: oklch(27% 0.006 250); --plate-hi: oklch(31% 0.006 250); --plate-lo: oklch(21% 0.006 250);
  --screw: oklch(45% 0.006 250); --frame: oklch(10% 0.004 250); --frame-2: oklch(17% 0.004 250); --hole: oklch(34% 0.006 250); --vent: oklch(50% 0.008 250); --blank: oklch(27% 0.006 250); --edge: oklch(31% 0.008 250);
  --ink: oklch(94% 0.006 250); --ink-2: oklch(76% 0.01 250); --rule: oklch(32% 0.008 250);
  --led: oklch(76% 0.16 60); --led-halo: oklch(76% 0.16 60 / 0.5); --led-off: oklch(52% 0.006 250); --led-ink: oklch(80% 0.14 62);
  --grain: oklch(100% 0 0 / 0.05); --code-ground: oklch(12% 0.004 250);
}

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }
body {
  min-height: 100svh; display: flex; flex-direction: column;
  background: var(--ground); color: var(--ink);
  font: 400 var(--t-body)/1.55 var(--text);
  -webkit-font-smoothing: antialiased;
}
main { flex: 1; }
img { max-width: 100%; height: auto; }
a { color: inherit; text-underline-offset: 3px; text-decoration-thickness: 1px; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 3px solid var(--led-ink); outline-offset: 3px; border-radius: 1px; }
::selection { background: var(--led); color: oklch(18% 0.01 250); }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.skip { position: absolute; left: var(--gutter); top: -60px; background: var(--frame); color: var(--on-frame); padding: 10px 16px; z-index: 10; }
.skip:focus { top: 12px; }

.label {
  font: 600 var(--t-label)/1.2 var(--display);
  letter-spacing: .12em; text-transform: uppercase; color: var(--ink-2);
}

/* ---------- Header ---------- */
.site-header {
  display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: var(--s-2) var(--s-5);
  max-width: var(--page); margin: 0 auto; width: 100%;
  padding: var(--s-5) var(--gutter);
}
.nav-name {
  font: 700 1.375rem/1 var(--display); letter-spacing: .03em; text-transform: uppercase;
  text-decoration: none; display: inline-flex; align-items: center; gap: 10px; padding: 8px 0;
}
.nav-name::before { /* the power LED */
  content: ""; width: 9px; height: 9px; border-radius: 50%; background: var(--led);
  box-shadow: 0 0 6px 1px var(--led-halo);
}
.site-nav ul { display: flex; flex-wrap: wrap; gap: clamp(16px, 2.4vw, 32px); list-style: none; padding: 0; }
.site-nav a {
  display: inline-block; padding: 8px 0; text-decoration: none; color: var(--ink-2);
  font: 600 1.0625rem/1 var(--display); letter-spacing: .08em; text-transform: uppercase;
}
.site-nav a:hover, .site-nav a[aria-current="page"] { color: var(--ink); }
.site-nav a[aria-current="page"] { box-shadow: inset 0 -2px 0 var(--led); }

/* ---------- Layout helpers ---------- */
.wrap { max-width: var(--page); margin: 0 auto; padding: 0 var(--gutter); }
.split { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: var(--gap); }
.section { padding-block: 0 96px; }
.section-last { padding-bottom: 160px; }
.section-head h2 {
  font: 700 var(--t-h2)/1 var(--display); text-transform: uppercase; letter-spacing: -.005em;
}
.section-head p { margin-top: var(--s-4); color: var(--ink-2); max-width: 44ch; text-wrap: pretty; }
.section-head.row { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: var(--gap); align-items: last baseline; margin-bottom: var(--s-5); }
.section-head.row p { margin-top: 0; max-width: 60ch; }

/* ---------- Hero ---------- */
.hero { padding-block: clamp(8px, 3vw, 40px) 96px; align-items: start; }
.hero-intro { padding-top: clamp(0px, 3vw, 40px); }
.hero h1 {
  font: 700 var(--t-display)/.92 var(--display); text-transform: uppercase; letter-spacing: -.01em;
  margin: var(--s-4) 0 var(--s-5); text-wrap: balance;
}
.lede { max-width: 36ch; font-size: 1.1875rem; line-height: 1.5; color: var(--ink-2); text-wrap: pretty; }
.lede a { color: var(--ink); }
.action {
  display: inline-flex; align-items: center; gap: 12px; margin-top: var(--s-6);
  padding: 15px 24px 15px 20px; border-radius: var(--r-button); border: 1px solid transparent;
  background: var(--frame); color: var(--on-frame); text-decoration: none;
  font: 600 1.1875rem/1 var(--display); letter-spacing: .07em; text-transform: uppercase;
  transition: background-color .15s var(--ease);
}
.action::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--led); box-shadow: 0 0 0 3px oklch(74% 0.18 58 / .28); }
.action:hover { background: var(--frame-2); }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .action { background: var(--ink); color: var(--ground); } :root:not([data-theme="light"]) .action:hover { background: var(--on-frame-2); } }
:root[data-theme="dark"] .action { background: var(--ink); color: var(--ground); }

/* ---------- The rack ---------- */
.rack {
  position: relative; background: var(--frame); border-radius: var(--r-cabinet);
  padding: 12px 28px 16px; border: 1px solid var(--edge);
}
.rack::before, .rack::after { /* rails: square cage-nut holes every 22px */
  content: ""; position: absolute; top: 12px; bottom: 16px; width: 14px;
  background: linear-gradient(var(--hole), var(--hole)) center top / 6px 6px repeat-y;
  background-image: repeating-linear-gradient(to bottom, var(--hole) 0 6px, transparent 6px 22px);
  background-size: 6px 100%; background-repeat: no-repeat; background-position: center;
}
.rack::before { left: 7px; }
.rack::after { right: 7px; }
.rack-head {
  white-space: nowrap; display: flex; justify-content: space-between; gap: var(--s-4); padding: 2px 4px 10px;
  font: 600 var(--t-label)/1.2 var(--display); letter-spacing: .14em; text-transform: uppercase; color: var(--on-frame-2);
}
.units { list-style: none; padding: 0; display: grid; gap: 3px; }

.unit {
  --h: 66px;
  position: relative; display: grid; grid-template-columns: 26px minmax(0, 1fr) auto; align-items: center; gap: var(--s-4);
  min-height: var(--h); padding: 10px 18px 10px 10px;
  color: var(--ink); text-decoration: none; border-radius: var(--r-plate); border: 1px solid transparent;
  background: linear-gradient(to bottom, var(--plate-hi), var(--plate) 14%, var(--plate) 86%, var(--plate-lo));
  transition: transform .45s var(--ease), box-shadow .45s var(--ease);
}
.unit::after { /* brushed grain */
  content: ""; position: absolute; inset: 0; pointer-events: none; border-radius: inherit;
  background: repeating-linear-gradient(to bottom, var(--grain) 0 1px, transparent 1px 3px);
}
.unit.u2 { --h: 112px; }
.unit > *, .plate > * { position: relative; z-index: 1; }
.unit:focus-visible { outline-offset: 0; }
.unit-ear { align-self: stretch; display: flex; flex-direction: column; justify-content: space-between; align-items: center; padding-block: 4px; }
.unit-ear i {
  width: 9px; height: 9px; border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, var(--plate-hi), var(--plate-lo) 70%);
  box-shadow: inset 0 0 0 1px var(--screw);
}
.unit-body { min-width: 0; }
.unit-slot { display: flex; flex-wrap: wrap; gap: 4px 14px; font: 600 var(--t-label)/1.2 var(--display); letter-spacing: .13em; text-transform: uppercase; color: var(--ink-2); }
.unit-slot b { font-weight: 700; color: var(--ink); }
.unit-title { display: block; margin-top: 5px; font: 600 var(--t-h3)/1.12 var(--display); text-wrap: balance; overflow-wrap: break-word; }
.unit.u2 .unit-title { font-size: clamp(1.5rem, 1.1rem + .9vw, 1.875rem); line-height: 1.05; }
.unit-meta { display: flex; align-items: center; gap: var(--s-4); font: 500 var(--t-small)/1 var(--display); letter-spacing: .06em; color: var(--ink-2); font-variant-numeric: tabular-nums; white-space: nowrap; }
.unit-vents { width: 64px; height: 22px; border-radius: 1px; color: var(--vent); background: repeating-linear-gradient(to right, currentColor 0 3px, transparent 3px 7px); }
.led { flex: none; width: 8px; height: 8px; border-radius: 50%; background: transparent; box-shadow: 0 0 0 1.5px var(--led-off); }
.live .led { background: var(--led); box-shadow: 0 0 0 3px oklch(74% 0.18 58 / .25), 0 0 8px 1px var(--led-halo); }
.blank {
  min-height: 30px; color: var(--blank); border-radius: var(--r-plate); display: flex; align-items: center; padding: 0 16px;
  background: repeating-linear-gradient(to right, currentColor 0 2px, transparent 2px 6px);
  font: 700 var(--t-label)/1 var(--display); letter-spacing: .16em;
}
.blank span { background: var(--frame); color: var(--on-frame-2); padding: 3px 8px; }
.pdu {
  margin-top: 10px; display: flex; justify-content: space-between; gap: var(--s-4); align-items: center;
  padding: 10px 14px; border-radius: var(--r-plate); background: var(--frame-2); color: var(--on-frame);
  font: 600 .875rem/1.2 var(--display); letter-spacing: .12em; text-transform: uppercase;
}
.pdu-v { color: var(--led); white-space: nowrap; }

/* Signature: power-on. A top-to-bottom POST wave: each unit's LED and meter
   flash twice (120ms on, 120ms off), 90ms apart, then live units keep an
   irregular activity blink. LEDs are stepped; they never fade. */
@media (prefers-reduced-motion: no-preference) {
  .rack .led { animation: post-led 240ms steps(1) calc(var(--i, 0) * 90ms) 2 backwards; }
  .rack .unit-vents { animation: post-vent 240ms steps(1) calc(var(--i, 0) * 90ms) 2 backwards; }
  .rack .live .led { animation: post-led 240ms steps(1) calc(var(--i, 0) * 90ms) 2 backwards, activity var(--r, 2.4s) steps(1) calc(var(--i, 0) * 90ms + 480ms) infinite; }
  @keyframes post-led {
    0% { background: transparent; box-shadow: 0 0 0 1.5px var(--led-off); }
    1%, 50% { background: var(--led); box-shadow: 0 0 0 3px oklch(74% 0.18 58 / .25), 0 0 8px 1px var(--led-halo); }
    51%, 100% { background: transparent; box-shadow: 0 0 0 1.5px var(--led-off); }
  }
  @keyframes post-vent { 0% { color: var(--vent); } 1%, 50% { color: var(--led); } 51%, 100% { color: var(--vent); } }
  @keyframes activity { 0%, 61% { opacity: 1; } 62%, 69% { opacity: .3; } 70%, 83% { opacity: 1; } 84%, 88% { opacity: .3; } 89% { opacity: 1; } }
}
@media (hover: hover) and (prefers-reduced-motion: no-preference) {
  a.unit:hover, a.unit:focus-visible { transform: translateX(-14px); box-shadow: 14px 0 0 -3px oklch(5% 0 0 / .55); }
}

@media (min-width: 768px) { .nw { white-space: nowrap; } }

/* ---------- Same rack, different loads ---------- */
.loads { width: 100%; border-collapse: collapse; font-size: var(--t-small); }
.loads caption { text-align: left; }
.loads th, .loads td { text-align: left; vertical-align: top; padding: var(--s-4) var(--s-5) var(--s-4) 0; border-bottom: 1px solid var(--plate-lo); }
.loads thead th { font: 700 1.25rem/1 var(--display); text-transform: uppercase; letter-spacing: .03em; padding-bottom: var(--s-3); border-bottom: 2px solid var(--ink); }
.loads tbody th { white-space: nowrap; font: 600 var(--t-label)/1.4 var(--display); letter-spacing: .13em; text-transform: uppercase; color: var(--ink-2); width: 14%; padding-top: calc(var(--s-4) + 3px); }
.loads tbody tr:last-child th, .loads tbody tr:last-child td { border-bottom: 0; }
.loads .pager td { color: var(--ink); font-weight: 600; }
.loads .pager th::before { content: ""; display: inline-block; width: 8px; height: 8px; margin-right: 8px; border-radius: 50%; background: var(--led); vertical-align: 1px; }
.loads td { color: var(--ink-2); line-height: 1.5; text-wrap: pretty; font-size: 1rem; }

.loads-phone { display: none; }
.load-card + .load-card { margin-top: var(--s-5); padding-top: var(--s-5); border-top: 1px solid var(--plate-lo); }
.load-card h3 { font: 700 1.375rem/1 var(--display); text-transform: uppercase; letter-spacing: .02em; margin-bottom: var(--s-3); }
.load-card dl > div { display: grid; grid-template-columns: 96px minmax(0, 1fr); gap: var(--s-3); padding: 5px 0; }
.load-card dt { font: 600 var(--t-label)/1.5 var(--display); letter-spacing: .12em; text-transform: uppercase; color: var(--ink-2); }
.load-card dd { margin: 0; color: var(--ink-2); font-size: 1rem; line-height: 1.45; }
.load-card .pager dt::before { content: ""; display: inline-block; width: 7px; height: 7px; margin-right: 6px; border-radius: 50%; background: var(--led); vertical-align: 1px; }
.load-card .pager dd { color: var(--ink); font-weight: 600; }

/* ---------- Rated for ---------- */
.plate {
  position: relative; display: grid; grid-template-columns: 26px minmax(0, 1fr) 26px; align-items: center; gap: var(--s-4);
  padding: var(--s-6) 10px; border-radius: var(--r-plate); border: 1px solid var(--edge);
  background: linear-gradient(to bottom, var(--plate-hi), var(--plate) 24px, var(--plate) calc(100% - 24px), var(--plate-lo));
}
.plate > .unit-ear { padding-block: 0; }
.plate.bay, .plate.rear { border-inline: 16px solid var(--frame); border-radius: var(--r-cabinet); background-clip: padding-box; }
.plate.bay::before, .plate.rear::before { /* rail holes in the mounting ears */
  content: ""; position: absolute; inset: 10px -12px; pointer-events: none;
  background:
    repeating-linear-gradient(to bottom, var(--hole) 0 6px, transparent 6px 22px) left / 6px 100% no-repeat,
    repeating-linear-gradient(to bottom, var(--hole) 0 6px, transparent 6px 22px) right / 6px 100% no-repeat;
}
.plate::after { content: ""; position: absolute; inset: 0; pointer-events: none; border-radius: inherit; background: repeating-linear-gradient(to bottom, var(--grain) 0 1px, transparent 1px 3px); }
.rear-bay { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: 0; }
.rear-certs { padding-right: var(--gap); }
.rear-ports { padding-left: var(--gap); border-left: 1px solid var(--plate-lo); }
.rear-title { font: 700 var(--t-h2)/1 var(--display); text-transform: uppercase; }
.rear-line { margin: var(--s-3) 0 var(--s-5); color: var(--ink-2); font-size: var(--t-small); }
.certs { list-style: none; padding: 0; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: var(--s-4); }
.certs li { min-width: 0; }
.certs a { overflow-wrap: anywhere; hyphens: auto; display: grid; justify-items: stretch; gap: var(--s-3); text-decoration: none; padding: var(--s-2) 0; border-radius: var(--r-plate); text-align: center; }
.certs img { width: 72px; height: 72px; justify-self: center; }
.certs strong { display: block; font: 700 1.125rem/1 var(--display); letter-spacing: .05em; text-transform: uppercase; }
.certs a > span > span { display: block; font-size: var(--t-label); color: var(--ink-2); line-height: 1.3; margin-top: 4px; }
.certs a:hover strong { text-decoration: underline; text-underline-offset: 3px; }

/* Reach me: a patch panel */
.ports { list-style: none; padding: 0; }
.ports li + li { border-top: 1px solid var(--plate-lo); }
.ports a { display: grid; grid-template-columns: 26px minmax(0, 1fr); column-gap: var(--s-4); row-gap: 2px; align-items: center; padding: var(--s-3) 0; text-decoration: none; }
.port { grid-column: 1; grid-row: 1 / span 2; width: 26px; height: 20px; fill: none; stroke: var(--ink); stroke-width: 1.5; }
.ports strong { grid-column: 2; font: 700 1.375rem/1.1 var(--display); text-transform: uppercase; letter-spacing: .02em; }
.port-use { grid-column: 2; color: var(--ink-2); font-size: var(--t-small); line-height: 1.4; }
.ports a:hover strong { text-decoration: underline; text-underline-offset: 4px; }
.ports a:hover .port { stroke: var(--led-ink); }

/* ---------- Pages: notes index ---------- */
.page-head { padding-block: clamp(16px, 4vw, 56px) var(--s-6); }
.page-head h1 { font: 700 var(--t-display)/.92 var(--display); text-transform: uppercase; letter-spacing: -.01em; }
.page-head p { margin-top: var(--s-4); color: var(--ink-2); max-width: 46ch; font-size: 1.1875rem; }
.notes-rack { margin-bottom: var(--s-5); }
.archive-link { margin: 0 0 var(--s-8); }

/* ---------- Post ---------- */
.post-plate { margin-top: clamp(8px, 2vw, 24px); }
.post-plate .unit { --h: auto; grid-template-columns: 26px minmax(0, 1fr) 26px; padding: clamp(18px, 2.4vw, 28px) 10px clamp(24px, 3vw, 40px); align-items: stretch; }
.plate-top { display: flex; justify-content: space-between; align-items: center; gap: var(--s-4); margin-bottom: var(--s-4); }
.plate-top .back { margin: 0; }
.post-plate .unit-slot { margin: 0; }
.post-plate .unit-title { font: 700 clamp(2.4rem, 1.2rem + 3.6vw, 4.75rem)/.98 var(--display); margin-top: var(--s-3); letter-spacing: -.005em; max-width: 30ch; }
.back { display: inline-flex; gap: 8px; align-items: center; margin: 0 0 var(--s-4); padding: 6px 0; font: 600 var(--t-small)/1 var(--display); letter-spacing: .1em; text-transform: uppercase; text-decoration: none; color: var(--ink-2); }
.back:hover { color: var(--ink); }

.prose { max-width: 68ch; margin: 0 auto; padding: var(--s-7) 0 var(--s-8); font-size: var(--t-read); line-height: 1.65; }
.prose > * + * { margin-top: 1.1em; }
.prose h2 { font: 700 var(--t-h2)/1.05 var(--display); text-transform: uppercase; margin-top: 2em; letter-spacing: -.005em; }
.prose h3 { font: 700 1.5rem/1.15 var(--display); margin-top: 1.7em; }
.prose h2 + *, .prose h3 + * { margin-top: .6em; }
.prose p, .prose li { text-wrap: pretty; overflow-wrap: break-word; }
.prose strong { font-weight: 700; }
.prose ul, .prose ol { padding-left: 1.3em; }
.prose li + li { margin-top: .4em; }
.prose li::marker { color: var(--ink-2); }
.prose hr { border: 0; height: 18px; margin-block: 2.4em; background: repeating-linear-gradient(to right, var(--rule) 0 2px, transparent 2px 6px); }
.prose blockquote { border-left: 3px solid var(--led); padding-left: 1em; color: var(--ink-2); }
.prose img { display: block; border-radius: var(--r-plate); margin-inline: auto; }
.prose table { width: 100%; border-collapse: collapse; font-size: var(--t-small); display: block; overflow-x: auto; }
.prose th, .prose td { text-align: left; padding: 8px 12px 8px 0; border-bottom: 1px solid var(--rule); }
@media (min-width: 640px) { .prose :not(pre) > code { white-space: nowrap; } }
.prose :not(pre) > code { font: 400 .88em/1 var(--mono); background: var(--plate); padding: .14em .36em; border-radius: var(--r-plate); overflow-wrap: anywhere; }
.prose pre, .prose .highlight { border-radius: var(--r-plate); }
.prose div.highlighter-rouge, .prose figure.highlight, .prose pre { background: var(--code-ground); color: var(--code-ink); }
.prose pre { position: relative; font: 400 .875rem/1.6 var(--mono); padding: var(--s-5); overflow-x: auto; tab-size: 2; border: 1px solid transparent; }
.prose .highlight pre { background: transparent; }
.prose div.highlighter-rouge { position: relative; }
.prose div[class*="language-"]::before { /* the cable label */
  position: absolute; right: 12px; top: 8px; z-index: 1;
  font: 600 .75rem/1 var(--display); letter-spacing: .14em; text-transform: uppercase; color: var(--on-frame-2);
}
.prose div.language-bash::before, .prose div.language-sh::before { content: "shell"; }
.prose div.language-yaml::before { content: "yaml"; }
.prose div.language-plaintext::before { content: "text"; }
.prose div.language-go::before { content: "go"; }
.prose div.language-json::before { content: "json"; }
.post-next { margin: 0 0 var(--s-8); }
.post-next h2 { font: 700 var(--t-h3)/1 var(--display); text-transform: uppercase; letter-spacing: .04em; margin-bottom: var(--s-4); }

/* Rouge: a muted palette that lives on the rack's black */
.highlight .c, .highlight .c1, .highlight .cm, .highlight .cs, .highlight .cp { color: oklch(68% 0.01 250); font-style: italic; }
.highlight .k, .highlight .kc, .highlight .kd, .highlight .kn, .highlight .kp, .highlight .kr, .highlight .kt, .highlight .nt { color: oklch(80% 0.12 62); }
.highlight .s, .highlight .s1, .highlight .s2, .highlight .sb, .highlight .sc, .highlight .sd, .highlight .se, .highlight .sh, .highlight .si, .highlight .sx, .highlight .sr { color: oklch(84% 0.07 150); }
.highlight .m, .highlight .mi, .highlight .mf, .highlight .mh, .highlight .mo, .highlight .il, .highlight .no, .highlight .kc { color: oklch(82% 0.08 230); }
.highlight .na, .highlight .nb, .highlight .nc, .highlight .nf, .highlight .nv, .highlight .nx { color: oklch(90% 0.03 90); }
.highlight .o, .highlight .p, .highlight .pi { color: oklch(80% 0.006 250); }
.highlight .gd { color: oklch(75% 0.14 25); } .highlight .gi { color: oklch(80% 0.1 150); }
.highlight .err { color: inherit; background: none; }

/* ---------- Plain pages (about, contact, privacy, 404) ---------- */
.page-prose { padding-top: 0; margin-left: 0; }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--rule); }
.site-footer .wrap { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: var(--s-3) var(--s-5); padding-block: var(--s-6); font-size: var(--t-small); color: var(--ink-2); }
.site-footer ul { display: flex; flex-wrap: wrap; gap: var(--s-2) var(--s-5); list-style: none; padding: 0; }
.site-footer a { text-decoration: none; display: inline-block; padding: 4px 0; }
.site-footer a:hover { color: var(--ink); text-decoration: underline; }

/* Short desktop viewports (Windows at 150%: 1280×610) keep the action in view */
@media (min-width: 961px) and (max-height: 760px) {
  .hero { padding-top: 0; }
  .hero-intro { padding-top: 0; }
  .hero h1 { margin: var(--s-3) 0 var(--s-4); }
  .action { margin-top: var(--s-5); }
}

/* ---------- Forced colours ---------- */
@media (forced-colors: active) {
  .led, .nav-name::before, .action::before { forced-color-adjust: none; }
  .unit, .plate, .rack, .action { border-color: CanvasText; }
  .port { stroke: LinkText; }
}

/* ---------- Phone and tablet ---------- */
@media (max-width: 960px) {
  .split { grid-template-columns: minmax(0, 1fr); }
  .hero-intro { padding-top: 0; }
  .hero h1 { margin: var(--s-3) 0 var(--s-4); }
  .action { margin-top: var(--s-5); }
  .section { padding-bottom: var(--s-7); }
  .section-last { padding-bottom: 104px; }
  .section-head { margin-bottom: var(--s-5); }
  .section-head.row { grid-template-columns: minmax(0, 1fr); gap: var(--s-3); }
  .rear-bay { grid-template-columns: minmax(0, 1fr); }
  .rear-certs { padding: 0 0 var(--s-6); }
  .rear-ports { padding: var(--s-6) 0 0; border-left: 0; border-top: 1px solid var(--plate-lo); }
}
@media (max-width: 640px) {
  .site-header { padding-block: var(--s-4); }
  .lede { font-size: 1.0625rem; }
  .rack { padding: 10px 18px 12px; }
  .rack::before { left: 3px; } .rack::after { right: 3px; }
  .unit { grid-template-columns: minmax(0, 1fr); padding: 12px 14px; }
  .unit-meta { position: absolute; top: 12px; right: 14px; }
  .unit-u { display: none; }
  .unit-slot { padding-right: 7.5rem; }
  .unit-ear, .unit-vents { display: none; }
  .unit.u2 .unit-title, .unit-title { font-size: 1.25rem; }
  .pdu { font-size: .8125rem; }
  .pdu-wide { display: none; }
  .loads { display: none; }
  .loads-phone { display: block; }
  .plate { grid-template-columns: minmax(0, 1fr); padding: var(--s-5) var(--s-4); }
  .plate.bay, .plate.rear { border-inline-width: 12px; }
  .plate.bay::before, .plate.rear::before { inset: 10px -10px; }
  .plate > .unit-ear { display: none; }
  .certs { display: flex; flex-wrap: wrap; justify-content: center; gap: var(--s-5) 0; }
  .certs li { flex: 0 0 33.333%; }
  .certs img { width: 60px; height: 60px; }
  .post-plate .unit { grid-template-columns: minmax(0, 1fr); padding: 14px 16px 24px; }
  .post-plate .unit-meta { position: static; }
  .post-plate .unit-meta > span:not(.led):not(.unit-vents) { display: none; }

  .prose { padding-top: var(--s-6); font-size: 1.0625rem; }
  .prose pre { margin-inline: calc(var(--gutter) * -1); border-radius: 0; }
}
@media (max-width: 380px) {
  .site-nav ul { gap: 4px 14px; }
  .site-nav a { font-size: 1rem; letter-spacing: .06em; }
  .nav-name { font-size: 1.25rem; }
}
.prose code, .prose kbd, .prose samp { font-family: var(--mono); }
.prose pre code { font: inherit; background: none; padding: 0; }