/*
 * jeremy.ie — homepage.
 *
 * Set in the same language as assets/css/f1.css: one continuous coal ground, hairline
 * rules instead of panels, and a wide gap in size between a figure and its label. The
 * constraints that file states are the constraints here too, and they are deliberate —
 * there is no card, no rounded corner (bar the nav toggle), no box-shadow and no
 * alternating light/dark band anywhere below. Those were exactly what made five
 * different sections read as five copies of the same one.
 *
 * Three type roles, strictly separated. Chivo Mono is the UI voice and carries every
 * eyebrow, label, index, figure and readout — plus the opening title, set at 700
 * uppercase on tight tracking. Fraunces is reserved for two things only: chapter
 * titles and figure-size names. Inter sets prose and nothing else.
 *
 * The accent is Spa-Francorchamps' Ardennes mist, borrowed from CIRCUIT_COLOURS in
 * f1-circuit.js. It is fixed here rather than derived at runtime, because unlike /f1
 * there is only ever one circuit — see the three tones under :root.
 *
 * Deliberately NOT shared with any other page. cv.html still runs on home.css and
 * dashboard.html on dashboard.css, both still gold; eclipse and f1 are off-palette by
 * their own design. Nothing outside index.html loads this file.
 */

:root {
  --coal: #111214;
  --line: rgba(236, 238, 240, 0.14);
  --line-strong: rgba(236, 238, 240, 0.28);
  --ink: #eceef0;
  --ink-soft: #9aa0a6;
  --ink-faint: #6b7178;
  --chalk: #f6f7f8;

  /*
   * Spa's colour in three tones, the same contract f1.css:31-37 sets out. Ratios are
   * measured against the coal ground (relative luminance 0.00602):
   *   --accent-deep  #5A7566  3.7:1  large fills, the intro glyph
   *   --accent       #6E8A78  5.0:1  rules, borders, hover
   *   --accent-soft  #7E9C89  6.2:1  accent text — figures, the brand dot, numbers
   * Anything that carries words uses --accent-soft. Anything that is a line uses
   * --accent. Nothing on this page is large enough to need --accent-deep except the
   * overlay glyph, which is one stroke on an otherwise empty screen.
   */
  --accent-deep: #5a7566;
  --accent: #6e8a78;
  --accent-soft: #7e9c89;
  --accent-rgb: 110, 138, 120;

  --font-display: "Fraunces", Georgia, "Times New Roman", serif;
  --font-body: "Inter", "Helvetica Neue", Arial, sans-serif;
  --font-mono: "Chivo Mono", "Courier New", monospace;
  --maxw: 1180px;

  --fs-chapter: clamp(2.6rem, 7vw, 5.5rem);
  --fs-figure: clamp(2.4rem, 6vw, 4.6rem);
  --fs-micro: 0.58rem;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);

  /* Width of the left margin column that carries chapter numbers and hanging labels. */
  --margin-col: 13rem;
}

* {
  box-sizing: border-box;
}

/*
 * Safe to set globally: unlike /f1 there is no scroll library on this page to fight
 * with, so the nav anchors can use the browser's own smooth scroll.
 */
html {
  scroll-behavior: smooth;
}

html,
body {
  margin: 0;
  padding: 0;
  background: var(--coal);
  color: var(--ink);
  font-family: var(--font-body);
  letter-spacing: -0.006em;
  -webkit-font-smoothing: antialiased;
}

body {
  min-height: 100%;
  overflow-x: hidden;
}

a {
  color: inherit;
}

.wrap {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 1.4rem;
}

/*
 * Full-bleed escape from .wrap. body already has overflow-x: hidden, so the 100vw
 * cannot open a horizontal scrollbar of its own.
 */
.bleed {
  width: 100vw;
  margin-left: calc(50% - 50vw);
}

/* ---------- Motion primitives ---------- */

/*
 * The same 40px/900ms reveal /f1 uses, rather than the site's older 28px/700ms: with
 * no photograph and no canvas on this page, these are the only motion on it and a
 * shorter throw reads as a twitch. --d is a stagger index written per direct child by
 * the observer in home-coal.js; unset it reads as 0 and the element moves on its own.
 */
.reveal {
  opacity: 0;
  transform: translateY(40px);
}

.reveal.is-in {
  opacity: 1;
  transform: none;
  transition: opacity 900ms var(--ease), transform 900ms var(--ease);
  transition-delay: calc(var(--d, 0) * 70ms);
}

/*
 * Masked line reveal: the outer span clips, the inner one rises into it. Needs the
 * inner to be a block so the transform has a box to move.
 */
.line-mask {
  display: block;
  overflow: hidden;
  /* Descenders in Fraunces sit below the line box and would be clipped otherwise. */
  padding-bottom: 0.12em;
  margin-bottom: -0.12em;
}

.line-mask > span {
  display: block;
  transform: translateY(105%);
  transition: transform 1000ms var(--ease);
  transition-delay: calc(var(--d, 0) * 70ms);
}

.reveal.is-in .line-mask > span,
.line-mask.is-in > span {
  transform: none;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .line-mask > span {
    transform: none;
    transition: none;
  }
}

/* ---------- Header ---------- */

.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 30;
  height: 3.9rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0 1.4rem;
  background: rgba(17, 18, 20, 0.82);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
  transition: transform 420ms var(--ease), opacity 420ms ease;
}

/* Held off the screen over the opening frame, so the title page has it to itself. */
.site-header.is-hidden {
  transform: translateY(-100%);
  opacity: 0;
  pointer-events: none;
}

@media (prefers-reduced-motion: reduce) {
  .site-header {
    transition: none;
  }
}

.brand {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  min-width: 0;
}

.masthead {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.02rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--chalk);
  text-decoration: none;
}

.masthead-dot {
  color: var(--accent-soft);
}

.header-meta {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.site-nav {
  display: flex;
  gap: 1.3rem;
}

.site-nav a {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--ink-soft);
  text-decoration: none;
  padding: 0.3rem 0;
  border-bottom: 1px solid transparent;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--chalk);
  border-bottom-color: var(--accent);
}

.nav-toggle {
  display: none;
  width: 2.4rem;
  height: 2.4rem;
  padding: 0;
  background: none;
  border: 1px solid var(--line);
  border-radius: 8px;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 1.05rem;
  height: 1.5px;
  margin: 0.22rem auto;
  background: var(--ink);
}

@media (max-width: 860px) {
  .header-meta {
    display: none;
  }

  .nav-toggle {
    display: block;
  }

  .site-nav {
    position: fixed;
    inset: 3.9rem 0 auto 0;
    flex-direction: column;
    gap: 0;
    padding: 0.6rem 1.4rem 1.2rem;
    background: rgba(17, 18, 20, 0.97);
    border-bottom: 1px solid var(--line);
    transform: translateY(-8px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 220ms ease, transform 220ms ease;
  }

  .site-nav.is-open {
    transform: none;
    opacity: 1;
    pointer-events: auto;
  }

  .site-nav a {
    padding: 0.68rem 0;
    border-bottom: 1px solid var(--line);
  }
}

/* ---------- The opening frame ---------- */

/*
 * A title page rather than a hero: no photograph, no grid, and the whole frame set
 * flush to the left edge of .wrap while everything below it hangs off the margin
 * spine — the change of alignment is what separates the title page from the body.
 *
 * The one thing it does carry is the shimmer, below. The rule the rest of the page
 * still keeps is narrower than it was but it is still a rule: one atmospheric layer,
 * confined to this frame, never behind body copy.
 */
.opening {
  position: relative;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 4rem;
  padding: 8rem 0 2.4rem;

  /*
   * The dial. Everything about how loud the shimmer is lives here; the material
   * itself is shaped by the constants at the top of home-shimmer.js.
   */
  --shimmer-strength: 0.22;

  /*
   * Where the light is coming from. home-shimmer.js overwrites these on pointer move;
   * the defaults are the position the old static wash sat at, so before the pointer
   * has moved — and on touch, and with no JavaScript at all — the frame looks the way
   * it did before any of this existed.
   */
  --shimmer-x: 88%;
  --shimmer-y: 88%;

  /* Where the etching is allowed to show. See .shimmer-etch. */
  --shimmer-mask: radial-gradient(
    115% 105% at 78% 88%,
    rgba(0, 0, 0, 1) 8%,
    rgba(0, 0, 0, 0.72) 42%,
    rgba(0, 0, 0, 0.18) 78%,
    rgba(0, 0, 0, 0) 100%
  );
}

/*
 * The etched field. Painted at a fraction of CSS resolution and scaled up: at this
 * opacity the softness of the upscale reads as material, and a sharp version of the
 * same thing reads as a screenshot of a contour map.
 *
 * Empty and transparent until the script fills it, so no-JS loses the etching and
 * keeps the highlight.
 */
.shimmer-etch {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;

  /*
   * Hidden until home-shimmer.js has finished building the field, which it does a slice
   * at a time over about two thirds of a second. Fading up from nothing is the point:
   * the frame simply shows the plain highlight wash until the material is ready, rather
   * than the canvas popping into existence part-built.
   */
  opacity: 0;
  transition: opacity 600ms var(--ease);

  /*
   * Weighted toward the lower right and fading out under the headline, which is where
   * the old wash was and where there is nothing to read. Without this the field is
   * even edge to edge and reads as wallpaper — the fade is what makes it look like
   * light falling across a surface rather than a texture tiled behind the page. It
   * also keeps the etching off the top edge, where the frame meets the header.
   */
  -webkit-mask-image: var(--shimmer-mask);
  mask-image: var(--shimmer-mask);

  /*
   * A last low-pass over the contour bands. The field is drawn at one buffer pixel per
   * CSS pixel and damped where it gets too steep to resolve, so most of the aliasing is
   * already gone by the time it reaches here; this only takes the hard edge off what
   * survives. Small enough that the contours stay legible as lines.
   */
  filter: blur(0.5px);
}

.opening.is-ready .shimmer-etch {
  opacity: var(--shimmer-strength);
}

/* One canvas, filling the frame. */
.shimmer-etch canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

/*
 * The highlight that follows the pointer. Kept in CSS rather than drawn into the
 * canvas because the compositor already knows how to move a radial gradient for free,
 * and because it lets the canvas loop stay down to a lookup per pixel.
 */
.shimmer-light {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background: radial-gradient(
    60% 55% at var(--shimmer-x) var(--shimmer-y),
    rgba(var(--accent-rgb), 0.07),
    rgba(17, 18, 20, 0) 72%
  );
}

/*
 * No transition on the highlight: --shimmer-x/y are plain custom properties and are
 * not interpolable without registering them, so a transition here would be dead code.
 * It wants to track the pointer one to one anyway — a light that lags reads as a bug.
 * The colour sweep is the part that is smoothed, and that is lerped in the script.
 */

/* The type sits above both layers. */
.opening > .wrap {
  position: relative;
  z-index: 1;
}

/*
 * Reduced motion keeps the material and loses the movement: home-shimmer.js paints one
 * frame and never starts its loop, and the highlight stays at its default angle.
 */
@media (prefers-reduced-motion: reduce) {
  .shimmer-light {
    --shimmer-x: 88%;
    --shimmer-y: 88%;
  }

  .shimmer-etch {
    transition: none;
  }
}

/* The announce link — a ruled row, not a pill. */
.announce {
  display: inline-flex;
  flex-wrap: wrap;
  max-width: 100%;
  align-items: baseline;
  gap: 0.4rem 0.9rem;
  padding: 0 0 0.7rem;
  margin-bottom: 2.6rem;
  text-decoration: none;
  border-bottom: 1px solid var(--line-strong);
  transition: border-color 220ms ease;
}

.announce:hover,
.announce:focus-visible {
  border-bottom-color: var(--accent);
}

.announce-tag {
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent-soft);
}

.announce-text {
  font-size: 0.92rem;
  color: var(--ink-soft);
}

.announce:hover .announce-text {
  color: var(--ink);
}

.announce-arrow {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--ink-faint);
  transition: transform 220ms var(--ease), color 220ms ease;
}

.announce:hover .announce-arrow {
  color: var(--accent-soft);
  transform: translateX(6px);
}

.opening-eyebrow {
  margin: 0 0 1.1rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent-soft);
}

/*
 * Mono 700 uppercase, three masked lines. No serif italic on the last two words: a
 * Fraunces swash dropped into a sans headline is the flourish that made the previous
 * two versions of this page read as generated. Fraunces still runs the page — just
 * only where it does real work, on the chapter titles and the index names.
 */
.opening-title {
  margin: 0;
  font-family: var(--font-mono);
  font-weight: 700;
  /*
   * The floor is lower than /f1's 1.9rem because these lines are set, not fitted:
   * "scientific rigour." is 18 monospaced characters and has to clear a 375px
   * viewport without breaking, which at 0.6em advance puts the cap at ~1.6rem.
   */
  font-size: clamp(1.6rem, 6.2vw, 4.1rem);
  line-height: 1.06;
  letter-spacing: 0.01em;
  text-transform: uppercase;
  color: var(--chalk);
}

/*
 * The three lines rise in sequence rather than together. --d is inherited from the
 * h1, which the observer has already staggered against its siblings, so overriding it
 * per line reuses the same delay mechanism instead of hardcoding milliseconds.
 */
.opening-title .line-mask:nth-child(2) {
  --d: 2;
}

.opening-title .line-mask:nth-child(3) {
  --d: 3;
}

.opening-sub {
  margin: 1.6rem 0 0;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.opening-lead {
  margin: 1.9rem 0 0;
  max-width: min(46ch, 100%);
  font-size: 1rem;
  line-height: 1.62;
  color: var(--ink-soft);
}

.opening-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1.1rem 2.2rem;
  margin-top: 2.6rem;
}

/*
 * The page has no buttons. A call to action is a mono line with a rule under it, the
 * same treatment every other link on the page gets — which is the point: nothing here
 * needs a filled capsule to be found.
 */
.cta {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink);
  text-decoration: none;
  padding-bottom: 0.45rem;
  border-bottom: 1px solid var(--line-strong);
  transition: color 220ms ease, border-color 220ms ease;
}

.cta:hover,
.cta:focus-visible {
  color: var(--chalk);
  border-bottom-color: var(--accent);
}

.cta-lead {
  color: var(--accent-soft);
  border-bottom-color: var(--accent);
}

.cta-lead:hover,
.cta-lead:focus-visible {
  color: var(--chalk);
}

/* Bottom of the title page: the readout rail, with the scroll cue at the far end. */
.opening-foot {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 2rem;
}

.readout-rail {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: 1.6rem 2.4rem;
}

.readout {
  min-width: 0;
}

.readout-value {
  display: block;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: clamp(1.15rem, 2.6vw, 1.85rem);
  letter-spacing: -0.01em;
  color: var(--chalk);
  font-variant-numeric: tabular-nums;
}

.readout-label {
  display: block;
  margin-top: 0.28rem;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.readout-lead .readout-value {
  color: var(--accent-soft);
}

.scroll-hint {
  margin: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.scroll-hint-arrow {
  font-size: 0.95rem;
  color: var(--accent-soft);
  animation: hint-bob 2.2s ease-in-out infinite;
}

@keyframes hint-bob {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(5px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .scroll-hint-arrow {
    animation: none;
  }
}

@media (max-width: 700px) {
  .opening {
    padding-top: 6.4rem;
    gap: 3rem;
  }

  /*
   * Tracking is what makes this line expensive: 0.16em on 47 monospaced characters
   * adds most of a phone's width on its own. It comes off before the size does.
   */
  .opening-sub {
    font-size: 0.66rem;
    letter-spacing: 0.1em;
  }

  .readout-rail {
    gap: 1rem 1.5rem;
  }

  /* Nothing to point at on a phone: the rail is already the last thing on screen. */
  .scroll-hint {
    display: none;
  }
}

/* ---------- Chapters ---------- */

/*
 * Everything below the opening is one continuous coal ground. There is no alternating
 * band and no panel fill: sections are separated by a hairline and a lot of vertical
 * space, which is what stops the page reading as a stack of identical cards.
 */
.chapter {
  padding: clamp(6rem, 14vh, 11rem) 0;
  border-top: 1px solid var(--line);
}

.chapter-head {
  display: grid;
  grid-template-columns: minmax(0, var(--margin-col)) minmax(0, 1fr);
  gap: 0 clamp(1.5rem, 4vw, 3.5rem);
  margin-bottom: clamp(3rem, 7vw, 5.5rem);
}

/* The chapter number sits alone in the margin column, aligned to the title's cap. */
.chapter-index {
  margin: 0;
  padding-top: 0.7em;
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.chapter-index b {
  font-weight: 500;
  color: var(--accent-soft);
}

.chapter-title {
  grid-column: 2;
  margin: 0;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: var(--fs-chapter);
  line-height: 0.98;
  letter-spacing: -0.035em;
  color: var(--chalk);
}

.chapter-lead {
  grid-column: 2;
  margin: 1.6rem 0 0;
  max-width: min(46ch, 100%);
  font-size: 1rem;
  line-height: 1.62;
  color: var(--ink-soft);
}

@media (max-width: 860px) {
  .chapter-head {
    grid-template-columns: 1fr;
  }

  .chapter-index {
    padding-top: 0;
    margin-bottom: 1.1rem;
  }

  .chapter-title,
  .chapter-lead {
    grid-column: 1;
  }
}

/* ---------- Hanging list ---------- */

/*
 * The page's workhorse: a mono label alone in the margin column, prose beside it,
 * hairline between. It sets the capabilities in 01, the contact details in 04, and it
 * is the same grid the chapter heads open on — which is what makes the margin column
 * read as a spine running the length of the page rather than as indentation.
 */
.hang-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.hang-row {
  display: grid;
  grid-template-columns: minmax(0, var(--margin-col)) minmax(0, 1fr);
  gap: 0 clamp(1.5rem, 4vw, 3.5rem);
  padding: 1.3rem 0;
  border-bottom: 1px solid var(--line);
  font-size: 0.94rem;
  line-height: 1.6;
  color: var(--ink-soft);
}

.hang-label {
  padding-top: 0.25em;
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

/*
 * A single letter at micro size disappears into the ground — a word like "Location"
 * has enough mass to hold the column on its own, one glyph does not. The capability
 * keys get the chapter number's treatment instead, so the spine still reads.
 */
.hang-label-key {
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  color: var(--accent-soft);
}

.hang-row p {
  margin: 0;
  max-width: min(62ch, 100%);
}

.hang-row a {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid var(--line-strong);
  transition: color 220ms ease, border-color 220ms ease;
}

.hang-row a:hover,
.hang-row a:focus-visible {
  color: var(--chalk);
  border-bottom-color: var(--accent);
}

/* The prose block in 01 sits on the same grid, without the rules. */
.hang-prose {
  display: grid;
  grid-template-columns: minmax(0, var(--margin-col)) minmax(0, 1fr);
  gap: 0 clamp(1.5rem, 4vw, 3.5rem);
  margin: 0 0 clamp(3rem, 6vw, 4.5rem);
}

.hang-prose-body {
  max-width: min(62ch, 100%);
}

.hang-prose-body p {
  margin: 0 0 1.2rem;
  font-size: 1rem;
  line-height: 1.68;
  color: var(--ink-soft);
}

.hang-prose-body p:last-child {
  margin-bottom: 0;
}

.hang-prose-body strong {
  font-weight: 500;
  color: var(--ink);
}

/* A row of mono wordmarks — the site's links elsewhere, set as text, not as icons. */
.wordmarks {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem 1.6rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.wordmarks a {
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-soft);
  text-decoration: none;
  padding-bottom: 0.3rem;
  border-bottom: 1px solid var(--line-strong);
  transition: color 220ms ease, border-color 220ms ease;
}

.wordmarks a:hover,
.wordmarks a:focus-visible {
  color: var(--chalk);
  border-bottom-color: var(--accent);
}

@media (max-width: 860px) {
  .hang-row,
  .hang-prose {
    grid-template-columns: 1fr;
  }

  .hang-label {
    margin-bottom: 0.5rem;
    padding-top: 0;
  }
}

/* ---------- The index (selected work) ---------- */

/*
 * Six ruled rows, not six cards. The number and tag hang in the margin column, the
 * name is set at figure size, and the whole row is the link. Hover is a wash rather
 * than a fill and there is no border-radius on it, so a row never detaches from the
 * page and becomes a tile.
 */
.index-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line-strong);
}

.index-row {
  display: grid;
  grid-template-columns: minmax(0, var(--margin-col)) minmax(0, 1fr) auto;
  gap: 0 clamp(1.5rem, 4vw, 3.5rem);
  padding: 2rem 0;
  border-bottom: 1px solid var(--line);
  text-decoration: none;
  transition: background-color 220ms ease;
}

.index-row:hover,
.index-row:focus-visible {
  background: rgba(var(--accent-rgb), 0.07);
}

.index-row:focus-visible {
  outline: 1px solid var(--accent-soft);
  outline-offset: -1px;
}

/*
 * The whole row is one anchor, so everything inside it is a span for validity and has
 * to be given its box back here.
 */
.index-meta,
.index-body {
  display: block;
  min-width: 0;
}

.index-meta {
  padding-top: 0.4em;
}

.index-num {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  font-weight: 500;
  letter-spacing: 0.2em;
  color: var(--accent-soft);
  font-variant-numeric: tabular-nums;
}

.index-tag {
  display: block;
  margin-top: 0.6rem;
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.index-name {
  display: block;
  margin: 0;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(1.9rem, 4.4vw, 3.2rem);
  line-height: 1;
  letter-spacing: -0.035em;
  color: var(--chalk);
  transition: color 220ms ease;
}

.index-row:hover .index-name,
.index-row:focus-visible .index-name {
  color: var(--accent-soft);
}

.index-note {
  display: block;
  margin: 1rem 0 0;
  max-width: min(52ch, 100%);
  font-size: 0.94rem;
  line-height: 1.55;
  color: var(--ink-soft);
}

.index-go {
  align-self: center;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--ink-faint);
  transition: transform 220ms var(--ease), color 220ms ease;
}

.index-row:hover .index-go,
.index-row:focus-visible .index-go {
  color: var(--accent);
  transform: translateX(6px);
}

@media (max-width: 860px) {
  .index-row {
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .index-meta {
    grid-column: 1 / -1;
    display: flex;
    align-items: baseline;
    gap: 1.1rem;
    padding-top: 0;
    margin-bottom: 0.9rem;
  }

  .index-tag {
    margin-top: 0;
  }
}

/* ---------- The record (experience & education) ---------- */

/*
 * A departure board: year, place, role, on the same margin spine. The current role is
 * marked by an accent rule above it and a step up in size — not by a fill. A fill
 * would make it a highlighted table cell; this makes it the top line of the board.
 */
.record {
  border-top: 1px solid var(--line-strong);
}

.record-row {
  display: grid;
  grid-template-columns: minmax(0, var(--margin-col)) minmax(0, 1fr);
  gap: 0 clamp(1.5rem, 4vw, 3.5rem);
  padding: 1.9rem 0;
  border-bottom: 1px solid var(--line);
}

.record-yr {
  padding-top: 0.5em;
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-faint);
  font-variant-numeric: tabular-nums;
}

.record-name {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(1.5rem, 3.2vw, 2.2rem);
  line-height: 1.06;
  letter-spacing: -0.03em;
  color: var(--ink);
}

.record-role {
  margin: 0.8rem 0 0;
  max-width: min(52ch, 100%);
  font-size: 0.94rem;
  line-height: 1.55;
  color: var(--ink-soft);
}

.record-row.is-current {
  border-top: 1px solid var(--accent);
  padding-top: 2.3rem;
}

.record-row.is-current .record-yr {
  color: var(--accent-soft);
}

.record-row.is-current .record-name {
  font-size: clamp(1.9rem, 4.4vw, 3.2rem);
  color: var(--chalk);
}

@media (max-width: 860px) {
  .record-row {
    grid-template-columns: 1fr;
  }

  .record-yr {
    padding-top: 0;
    margin-bottom: 0.8rem;
  }
}

/* ---------- Footer ---------- */

.site-footer {
  padding: 3rem 0 4rem;
  border-top: 1px solid var(--line);
}

.site-footer p {
  margin: 0 0 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.08em;
  color: var(--ink-faint);
}

.site-footer a {
  color: var(--ink-soft);
  text-decoration: none;
  border-bottom: 1px solid var(--line-strong);
  transition: color 220ms ease, border-color 220ms ease;
}

.site-footer a:hover,
.site-footer a:focus-visible {
  color: var(--chalk);
  border-bottom-color: var(--accent);
}

/* ---------- Intro sequence ---------- */

/*
 * The overlay ships hidden and is only revealed by JS, so a visitor with no
 * JavaScript — or with prefers-reduced-motion set — never sees it at all and lands
 * straight on the page. home-coal.js tears it down on a hard 2.2s timeout regardless
 * of what the fonts are doing; a stalled webfont must never leave a blank screen.
 *
 * The glyph is the lunar limb with the transit chord: the geometry of the photograph
 * this page used to open on, in the coordinate space that photograph was annotated in
 * (1 unit = 1 lunar radius, disc centred at the origin, the 737 at +0.364, -0.532).
 * It is the one thing the redesign keeps of it.
 */
.preload {
  position: fixed;
  inset: 0;
  z-index: 60;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2.4rem;
  padding: 2rem;
  background: var(--coal);
  transition: opacity 700ms var(--ease), visibility 700ms;
}

.preload[hidden] {
  display: none;
}

.preload.is-out {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.preload-glyph {
  width: min(42vw, 30vh);
  height: min(42vw, 30vh);
  overflow: visible;
}

/*
 * No vector-effect: non-scaling-stroke here, unlike the circuit glyphs on /f1. That
 * property moves the stroke into screen space — and the dash pattern with it — while
 * getTotalLength() keeps returning user units, so the draw-on that home-coal.js sets
 * up renders as a ring of dashes instead of one advancing line. The widths below are
 * in user units instead: the viewBox is 2.24 across, so these land at roughly a
 * hairline and thin with the glyph on a small screen, which is the right behaviour
 * for something this size anyway.
 */
.preload-glyph path {
  fill: none;
  stroke: var(--accent);
  stroke-width: 0.011;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* The limb carries the shape, so it is drawn a step heavier than the rims inside it. */
.glyph-limb {
  stroke-width: 0.016;
}

.preload-meta {
  display: flex;
  align-items: baseline;
  gap: 1.4rem;
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.preload-count {
  min-width: 4ch;
  font-size: 1.05rem;
  letter-spacing: 0.04em;
  color: var(--chalk);
  font-variant-numeric: tabular-nums;
}

/* A hairline that fills with the same fraction the counter is showing. */
.preload-bar {
  width: min(42vw, 30vh);
  height: 1px;
  background: var(--line);
}

.preload-bar span {
  display: block;
  height: 100%;
  background: var(--accent);
  transform: scaleX(var(--p, 0));
  transform-origin: left center;
}