/* ============================================================================
   Andrii Sirko — portfolio
   Palette source: IPF competition plate colours (15 kg yellow as the signal,
   20 kg blue as the secondary data series) against machined graphite.
   ========================================================================== */

:root {
  /* surfaces, darkest to lightest */
  --void:      #121417;
  --graphite:  #191c21;
  --panel:     #1e222899;
  --panel-op:  #1e2228;
  --steel:     #2c3138;
  --steel-hi:  #3a414a;

  /* ink */
  --chalk:     #e9eaec;
  --mute:      #8b929b;
  --dim:       #616872;

  /* signal */
  --signal:    #ffd100;
  --signal-ink:#151206;
  --signal-lo: #6b5a08;
  --depth:     #4c8dff;

  /* type */
  --sans: 'Archivo', ui-sans-serif, system-ui, -apple-system, 'Segoe UI', sans-serif;
  --mono: 'IBM Plex Mono', ui-monospace, 'SF Mono', Menlo, monospace;

  /* rhythm */
  --wrap: 74rem;
  --gut: 1.25rem;
  --sec-y: 5.5rem;

  /* motion */
  --ease: cubic-bezier(.2, .7, .2, 1);
  --ease-out: cubic-bezier(.16, 1, .3, 1);
  --dur: .5s;

  color-scheme: dark;
}

@media (min-width: 48rem) {
  :root { --gut: 2.25rem; --sec-y: 8rem; }
}
@media (min-width: 64rem) {
  :root { --gut: 3rem; --sec-y: 10rem; }
}

/* ── reset ─────────────────────────────────────────────────────────────── */

*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 5rem;
}

body {
  background: var(--void);
  color: var(--chalk);
  font-family: var(--sans);
  font-variation-settings: 'wdth' 100, 'wght' 400;
  font-size: 1rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; padding: 0; }
code { font-family: var(--mono); font-size: .9em; color: var(--signal); }

:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: 3px;
  border-radius: 2px;
}

.skip {
  position: fixed; top: .5rem; left: .5rem; z-index: 200;
  padding: .625rem 1rem; background: var(--signal); color: var(--signal-ink);
  font: 600 .8125rem/1 var(--mono); border-radius: 4px;
  transform: translateY(-150%);
  transition: transform .2s var(--ease);
}
.skip:focus { transform: none; }

.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: var(--gut);
}

/* ── shared type ───────────────────────────────────────────────────────── */

.eyebrow {
  font: 500 .6875rem/1 var(--mono);
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--signal);
  display: flex;
  align-items: center;
  gap: .75rem;
  margin-bottom: 1.5rem;
}
.eyebrow::after {
  content: '';
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, var(--steel-hi), transparent);
}

.head { max-width: 44rem; margin-bottom: 3rem; }
.head--center { margin-inline: auto; text-align: center; }
.head--center .eyebrow { justify-content: center; }
.head--center .eyebrow::after { display: none; }
.head--center .eyebrow::before {
  content: ''; width: 2.5rem; height: 1px; background: var(--steel-hi);
}

.head__title {
  font-size: clamp(1.9rem, 6.5vw, 3.25rem);
  line-height: 1.04;
  letter-spacing: -.02em;
  font-variation-settings: 'wdth' 92, 'wght' 700;
  text-wrap: balance;
}
.head__title--xl { font-size: clamp(2.25rem, 8vw, 4.5rem); }

.head__lede {
  margin-top: 1.25rem;
  color: var(--mute);
  font-size: 1.0625rem;
  max-width: 38rem;
  text-wrap: pretty;
}
.head--center .head__lede { margin-inline: auto; }

/* ── buttons ───────────────────────────────────────────────────────────── */

.btn {
  --btn-y: .9rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  position: relative;
  padding: var(--btn-y) 1.5rem;
  font: 600 .8125rem/1 var(--mono);
  letter-spacing: .08em;
  text-transform: uppercase;
  border-radius: 2px;
  overflow: hidden;
  isolation: isolate;
  transition: transform .18s var(--ease), box-shadow .18s var(--ease), color .18s var(--ease);
}
.btn--sm { --btn-y: .625rem; padding-inline: 1rem; font-size: .75rem; }

.btn--solid { background: var(--signal); color: var(--signal-ink); }
.btn--solid:hover { transform: translateY(-2px); box-shadow: 0 .75rem 1.5rem -.5rem rgb(255 209 0 / .45); }
.btn--solid:active { transform: translateY(0) scale(.98); }

.btn--ghost { color: var(--chalk); box-shadow: inset 0 0 0 1px var(--steel-hi); }
.btn--ghost::before {
  content: ''; position: absolute; inset: 0; z-index: -1;
  background: var(--signal);
  transform: translateY(101%);
  transition: transform .34s var(--ease-out);
}
.btn--ghost:hover { color: var(--signal-ink); }
.btn--ghost:hover::before { transform: none; }
.btn--ghost:active { transform: scale(.98); }

/* ── progress + topbar ─────────────────────────────────────────────────── */

.progress {
  position: fixed; inset: 0 0 auto; z-index: 120;
  height: 2px; background: transparent; pointer-events: none;
}
.progress__bar {
  display: block; height: 100%; width: 100%;
  background: var(--signal);
  transform: scaleX(0);
  transform-origin: 0 50%;
}

.topbar {
  position: fixed; inset: 0 0 auto; z-index: 110;
  display: flex; align-items: center; gap: 1rem;
  padding: .875rem var(--gut);
  transition: background .3s var(--ease), box-shadow .3s var(--ease), backdrop-filter .3s;
}
.topbar.is-stuck {
  background: rgb(18 20 23 / .82);
  backdrop-filter: blur(14px) saturate(1.4);
  box-shadow: inset 0 -1px 0 var(--steel);
}

.topbar__mark { display: flex; align-items: center; gap: .625rem; margin-right: auto; }
.topbar__glyph { display: grid; gap: 2px; width: .875rem; }
.topbar__glyph i { display: block; height: 3px; background: var(--signal); border-radius: 1px; }
.topbar__glyph i:nth-child(1) { width: 100%; }
.topbar__glyph i:nth-child(2) { width: 60%; background: var(--chalk); }
.topbar__glyph i:nth-child(3) { width: 85%; }
.topbar__name {
  font: 600 .8125rem/1 var(--mono);
  letter-spacing: .06em;
}

.topbar__nav { display: none; gap: 1.75rem; }
.topbar__nav a {
  position: relative;
  font: 500 .8125rem/1 var(--mono);
  color: var(--mute);
  transition: color .2s var(--ease);
}
.topbar__nav a::after {
  content: ''; position: absolute; left: 0; bottom: -.4rem;
  width: 100%; height: 1px; background: var(--signal);
  transform: scaleX(0); transform-origin: 0 50%;
  transition: transform .28s var(--ease-out);
}
.topbar__nav a:hover { color: var(--chalk); }
.topbar__nav a:hover::after { transform: none; }

.topbar__cta { display: none; }

@media (min-width: 48rem) {
  .topbar__nav { display: flex; }
}
@media (min-width: 64rem) {
  .topbar__nav { margin-right: 1.75rem; }
  .topbar__cta { display: inline-flex; }
}

/* ── hero ──────────────────────────────────────────────────────────────── */

.hero {
  position: relative;
  padding-top: 7.5rem;
  padding-bottom: 0;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute; inset: 0;
  background:
    radial-gradient(120% 70% at 12% 0%, rgb(255 209 0 / .07), transparent 62%),
    repeating-linear-gradient(90deg, rgb(255 255 255 / .022) 0 1px, transparent 1px 5.5rem),
    repeating-linear-gradient(0deg, rgb(255 255 255 / .022) 0 1px, transparent 1px 5.5rem);
  mask-image: linear-gradient(180deg, #000 0%, #000 55%, transparent 92%);
  pointer-events: none;
}
.hero__inner { position: relative; }

@media (min-width: 48rem) { .hero { padding-top: 8.5rem; } }

/* At desktop the pitch and CTAs sit beside the name rather than under it, which
   keeps the concurrency curve within reach of the first screen. */
.hero__top { display: grid; gap: 2.25rem; }
@media (min-width: 64rem) {
  .hero__top {
    grid-template-columns: minmax(0, 1.3fr) minmax(20rem, 0.7fr);
    gap: 3rem;
    align-items: end;
  }
}
.hero__aside { display: grid; gap: 1.75rem; }

.status {
  display: inline-flex; align-items: center; gap: .625rem;
  padding: .5rem .875rem .5rem .75rem;
  border-radius: 100px;
  box-shadow: inset 0 0 0 1px var(--steel);
  background: rgb(30 34 40 / .5);
  font: 500 .6875rem/1 var(--mono);
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--mute);
}
.status__dot {
  width: .4375rem; height: .4375rem; border-radius: 50%;
  background: var(--signal);
  box-shadow: 0 0 0 0 rgb(255 209 0 / .6);
  animation: pulse 2.4s var(--ease) infinite;
}
@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 rgb(255 209 0 / .55); }
  70%  { box-shadow: 0 0 0 .5rem rgb(255 209 0 / 0); }
  100% { box-shadow: 0 0 0 0 rgb(255 209 0 / 0); }
}

.hero__name {
  margin-top: 1.5rem;
  font-size: clamp(2.875rem, 10.5vw, 7.5rem);
  line-height: .89;
  letter-spacing: -.04em;
  font-variation-settings: 'wdth' 115, 'wght' 800;
  text-transform: uppercase;
}
.hero__line { display: block; overflow: hidden; padding-bottom: .04em; }
.hero__word { display: block; }
.hero__line:nth-child(2) .hero__word { color: var(--signal); }

.hero__role {
  margin-top: 1.5rem;
  font: 500 clamp(.8125rem, 2.6vw, .9375rem)/1.4 var(--mono);
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--chalk);
}
.hero__role .sep { color: var(--signal); margin-inline: .35rem; }

.hero__pitch {
  max-width: 34rem;
  font-size: clamp(1rem, 3.4vw, 1.0625rem);
  color: var(--mute);
  text-wrap: pretty;
  padding-left: 1rem;
  border-left: 1px solid var(--steel-hi);
}

.hero__actions { display: flex; flex-wrap: wrap; gap: .75rem; }
.hero__actions .btn { flex: 1 1 9.5rem; }

.readouts {
  margin-top: 3rem;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--steel);
  box-shadow: 0 0 0 1px var(--steel);
}
@media (min-width: 48rem) { .readouts { grid-template-columns: repeat(4, 1fr); } }

.readout { background: var(--void); padding: 1.125rem 1.25rem; }
.readout dt {
  font: 500 .625rem/1 var(--mono);
  letter-spacing: .14em; text-transform: uppercase; color: var(--dim);
}
.readout dd {
  margin-top: .5rem;
  font-size: clamp(1.5rem, 6vw, 2rem);
  line-height: 1;
  font-variation-settings: 'wdth' 88, 'wght' 700;
  font-variant-numeric: tabular-nums;
}

/* ── concurrency curve ─────────────────────────────────────────────────── */

.curve {
  position: relative;
  margin-top: 3rem;
  padding-inline: var(--gut);
  max-width: var(--wrap);
  margin-inline: auto;
}
.curve__cap {
  display: flex; flex-wrap: wrap; gap: .5rem 1rem;
  align-items: baseline; justify-content: space-between;
  font: 500 .625rem/1.4 var(--mono);
  letter-spacing: .12em; text-transform: uppercase;
  color: var(--dim);
  padding-bottom: .75rem;
  border-bottom: 1px solid var(--steel);
}
.curve__peak { color: var(--signal); }

.curve__plot { height: 6.5rem; }
@media (min-width: 48rem) { .curve__plot { height: 9rem; } }
.curve__plot svg { width: 100%; height: 100%; overflow: visible; }

.curve__line {
  fill: none;
  stroke: var(--signal);
  stroke-width: 2;
  stroke-linejoin: round;
  vector-effect: non-scaling-stroke;
}
.curve__area { fill: url(#curveGrad); }

.curve__axis {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: 1fr;
  border-top: 1px solid var(--steel);
  padding-top: .5rem;
}
.curve__axis span {
  font: 400 .5625rem/1 var(--mono);
  color: var(--dim);
  letter-spacing: .04em;
}
.curve__axis span:nth-child(even) { visibility: hidden; }
@media (min-width: 40rem) { .curve__axis span:nth-child(even) { visibility: visible; } }

/* ── sections ──────────────────────────────────────────────────────────── */

.section { padding-block: var(--sec-y); }
.section--alt { background: var(--graphite); }

/* ── ledger ────────────────────────────────────────────────────────────── */

.ledger { position: relative; }

.ledger__scroll {
  overflow-x: auto;
  overflow-y: hidden;
  overscroll-behavior-x: contain;
  scrollbar-width: thin;
  scrollbar-color: var(--steel-hi) transparent;
  padding-bottom: .75rem;
  cursor: grab;
}
.ledger__scroll.is-dragging { cursor: grabbing; scroll-behavior: auto; }
.ledger__scroll::-webkit-scrollbar { height: 6px; }
.ledger__scroll::-webkit-scrollbar-thumb { background: var(--steel-hi); border-radius: 99px; }

.ledger__axis {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: 1fr;
  padding-bottom: .625rem;
  margin-bottom: .75rem;
  border-bottom: 1px solid var(--steel);
}
.ledger__axis span {
  font: 400 .625rem/1 var(--mono);
  color: var(--dim);
  letter-spacing: .04em;
}
.ledger__axis span.is-peak { color: var(--signal); }

/* --cols (months) and --years are set from data.js by main.js, so the axis
   stretches automatically when an engagement in a new year is added. */
.ledger__grid { min-width: 56rem; --cols: 156; --years: 13; }

.ledger__rows {
  display: grid;
  gap: .3125rem;
  background: repeating-linear-gradient(
    90deg, var(--steel) 0 1px, transparent 1px calc(100% / var(--years)));
}

.ledger__row {
  display: grid;
  grid-template-columns: repeat(var(--cols), minmax(0, 1fr));
  height: 2.125rem;
}

.bar {
  grid-column: var(--s) / var(--e);
  position: relative;
  display: flex;
  align-items: center;
  min-width: 3px;
  padding-inline: .625rem;
  border-radius: 2px;
  background: var(--panel-op);
  box-shadow: inset 0 0 0 1px var(--steel-hi);
  transform: scaleX(.02);
  transform-origin: 0 50%;
  opacity: 0;
  transition:
    background .2s var(--ease),
    box-shadow .2s var(--ease),
    translate .2s var(--ease);
}
.bar::before {
  content: '';
  position: absolute; left: 0; top: 0; bottom: 0;
  width: 3px;
  border-radius: 2px 0 0 2px;
  background: var(--signal);
  transition: width .2s var(--ease);
}

.ledger__rows.is-in .bar {
  opacity: 1;
  transform: none;
  transition:
    transform .7s var(--ease-out) var(--d, 0s),
    opacity .3s linear var(--d, 0s),
    background .2s var(--ease),
    box-shadow .2s var(--ease),
    translate .2s var(--ease);
}

.bar__label {
  font: 500 .6875rem/1 var(--mono);
  letter-spacing: .02em;
  white-space: nowrap;
  color: var(--mute);
  transition: color .2s var(--ease);
  pointer-events: none;
}
.bar--tight { padding-inline: 0; }
.bar--tight .bar__label {
  position: absolute;
  left: 100%;
  margin-left: .5rem;
}
/* bars that finish near the right edge label themselves leftwards */
.bar--flip .bar__label {
  left: auto;
  right: 100%;
  margin-left: 0;
  margin-right: .5rem;
}

.bar:hover { background: var(--steel); box-shadow: inset 0 0 0 1px var(--signal-lo); translate: 0 -1px; }
.bar:hover .bar__label { color: var(--chalk); }

.bar.is-active { background: var(--signal); box-shadow: inset 0 0 0 1px var(--signal); }
.bar.is-active::before { width: 100%; border-radius: 2px; }
/* Wide bars hold their label inside on the yellow fill; tight bars keep the
   label outside the bar, so it must stay absolute and stay yellow. */
.bar.is-active:not(.bar--tight) .bar__label { color: var(--signal-ink); position: relative; }
.bar--tight.is-active .bar__label { color: var(--signal); }

/* A stack filter marks matches in blue, but the bar you selected stays yellow —
   selection outranks the filter. */
.bar.is-match:not(.is-active) {
  box-shadow: inset 0 0 0 1px var(--depth);
  background: rgb(76 141 255 / .14);
}
.bar.is-match:not(.is-active)::before { background: var(--depth); }
.bar.is-match:not(.is-active) .bar__label { color: #b9d0ff; }

.ledger__rows.is-filtered .bar:not(.is-match) { opacity: .32; }

.ledger__hint {
  margin-top: .5rem;
  font: 400 .625rem/1 var(--mono);
  letter-spacing: .12em; text-transform: uppercase;
  color: var(--dim);
  transition: opacity .3s var(--ease);
}
.ledger__hint.is-gone { opacity: 0; }
@media (min-width: 64rem) { .ledger__hint { display: none; } }

/* detail panel */

.detail {
  margin-top: 2.5rem;
  padding: 1.75rem var(--gut) 2rem;
  margin-inline: calc(var(--gut) * -1);
  background: var(--graphite);
  box-shadow: inset 0 1px 0 var(--steel);
  border-left: 2px solid var(--signal);
}
@media (min-width: 48rem) {
  .detail { padding: 2.25rem 2.5rem; margin-inline: 0; border-radius: 2px; }
}

.detail__top {
  display: flex; flex-wrap: wrap; gap: .5rem 1rem;
  align-items: baseline; justify-content: space-between;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--steel);
}
.detail__co {
  font-size: clamp(1.375rem, 4.5vw, 1.75rem);
  line-height: 1.15;
  font-variation-settings: 'wdth' 92, 'wght' 700;
  letter-spacing: -.01em;
}
.detail__when {
  font: 500 .75rem/1.4 var(--mono);
  color: var(--signal);
  letter-spacing: .06em;
  white-space: nowrap;
}
.detail__role {
  margin-top: .875rem;
  font: 500 .75rem/1.5 var(--mono);
  letter-spacing: .08em; text-transform: uppercase;
  color: var(--mute);
}
.detail__role a { color: var(--chalk); border-bottom: 1px solid var(--signal-lo); }
.detail__role a:hover { color: var(--signal); border-color: var(--signal); }

.detail__summary {
  margin-top: 1.25rem;
  font-size: 1.0625rem;
  color: var(--chalk);
  max-width: 48rem;
  text-wrap: pretty;
}
.detail__list { margin-top: 1.25rem; display: grid; gap: .875rem; max-width: 52rem; }
.detail__list li {
  position: relative;
  padding-left: 1.5rem;
  color: var(--mute);
  font-size: .9688rem;
  text-wrap: pretty;
}
.detail__list li::before {
  content: '';
  position: absolute; left: 0; top: .625rem;
  width: .5rem; height: 1px; background: var(--signal);
}

.chips { margin-top: 1.75rem; display: flex; flex-wrap: wrap; gap: .375rem; }
.chips li {
  padding: .3125rem .625rem;
  font: 400 .6875rem/1 var(--mono);
  color: var(--mute);
  background: var(--void);
  box-shadow: inset 0 0 0 1px var(--steel);
  border-radius: 2px;
}

.detail.is-swap { animation: swap .35s var(--ease-out); }
@keyframes swap {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: none; }
}

/* ── full engagement history (static, crawlable) ───────────────────────── */

.records-wrap { margin-top: 1.5rem; }

.records-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 0;
  border-top: 1px solid var(--steel);
  border-bottom: 1px solid var(--steel);
  font: 500 .75rem/1 var(--mono);
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--mute);
  cursor: pointer;
  list-style: none;
  transition: color .2s var(--ease);
}
.records-toggle::-webkit-details-marker { display: none; }
.records-toggle:hover { color: var(--chalk); }

.records-toggle__icon {
  position: relative;
  width: .75rem; height: .75rem;
  flex: none;
}
.records-toggle__icon::before,
.records-toggle__icon::after {
  content: '';
  position: absolute; top: 50%; left: 0;
  width: 100%; height: 1px;
  background: var(--signal);
  transition: transform .3s var(--ease-out);
}
.records-toggle__icon::after { transform: rotate(90deg); }
.records-wrap[open] .records-toggle__icon::after { transform: rotate(0deg); }

.records { margin-top: 2rem; display: grid; gap: 2rem; counter-reset: rec; }
@media (min-width: 60rem) { .records { grid-template-columns: repeat(2, 1fr); gap: 2.5rem 3rem; } }

.rec { padding-left: 1rem; border-left: 1px solid var(--steel); }
.rec__co {
  font-size: 1.0625rem;
  font-variation-settings: 'wdth' 95, 'wght' 650;
  line-height: 1.3;
}
.rec__when {
  display: block;
  margin-top: .25rem;
  font: 500 .6875rem/1.4 var(--mono);
  letter-spacing: .06em;
  color: var(--signal);
}
.rec__role {
  margin-top: .375rem;
  font: 400 .6875rem/1.5 var(--mono);
  letter-spacing: .04em;
  color: var(--dim);
}
.rec__role a { color: var(--mute); border-bottom: 1px solid var(--steel-hi); }
.rec__role a:hover { color: var(--signal); border-color: var(--signal); }

.rec__sum { margin-top: .75rem; font-size: .9375rem; color: var(--chalk); text-wrap: pretty; }
.rec__points { margin-top: .75rem; display: grid; gap: .5rem; }
.rec__points li {
  position: relative;
  padding-left: 1rem;
  font-size: .875rem;
  color: var(--mute);
  text-wrap: pretty;
}
.rec__points li::before {
  content: '';
  position: absolute; left: 0; top: .5625rem;
  width: .375rem; height: 1px; background: var(--steel-hi);
}
.rec__stack {
  margin-top: .875rem;
  font: 400 .6875rem/1.6 var(--mono);
  color: var(--dim);
  text-wrap: pretty;
}
.rec__stack span {
  color: var(--mute);
  letter-spacing: .12em;
  text-transform: uppercase;
  margin-right: .375rem;
}

/* ── selected work ─────────────────────────────────────────────────────── */

.cases {
  display: grid;
  gap: 1px;
  background: var(--steel);
  box-shadow: 0 0 0 1px var(--steel);
}
@media (min-width: 44rem) { .cases { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 68rem) { .cases { grid-template-columns: repeat(3, 1fr); } }

.case {
  position: relative;
  background: var(--graphite);
  padding: 1.75rem 1.5rem 2rem;
  transition: background .3s var(--ease);
}
.case::after {
  content: '';
  position: absolute; left: 0; top: 0; width: 100%; height: 2px;
  background: var(--signal);
  transform: scaleX(0); transform-origin: 0 50%;
  transition: transform .45s var(--ease-out);
}
.case:hover { background: var(--panel-op); }
.case:hover::after { transform: none; }

.case__meta {
  display: flex; flex-wrap: wrap; gap: .5rem .875rem;
  align-items: baseline; justify-content: space-between;
  font: 500 .6875rem/1 var(--mono);
  letter-spacing: .08em; text-transform: uppercase;
}
.case__co { color: var(--signal); }
.case__yr { color: var(--dim); }

.case__title {
  margin-top: 1rem;
  font-size: 1.25rem;
  line-height: 1.25;
  font-variation-settings: 'wdth' 95, 'wght' 650;
  letter-spacing: -.01em;
  text-wrap: balance;
}
.case__body {
  margin-top: .875rem;
  color: var(--mute);
  font-size: .9375rem;
  text-wrap: pretty;
}
.case__tags { margin-top: 1.25rem; display: flex; flex-wrap: wrap; gap: .3125rem; }
.case__tags li {
  font: 400 .625rem/1 var(--mono);
  color: var(--dim);
  padding: .3125rem .5rem;
  box-shadow: inset 0 0 0 1px var(--steel);
  border-radius: 2px;
}

/* ── stack ─────────────────────────────────────────────────────────────── */

.stack { display: grid; gap: 1.5rem; }
@media (min-width: 44rem) { .stack { grid-template-columns: repeat(2, 1fr); gap: 2rem 3rem; } }
@media (min-width: 68rem) { .stack { grid-template-columns: repeat(3, 1fr); } }

.group__label {
  font: 500 .625rem/1 var(--mono);
  letter-spacing: .16em; text-transform: uppercase;
  color: var(--dim);
  padding-bottom: .75rem;
  border-bottom: 1px solid var(--steel);
}
.group__items { margin-top: 1rem; display: flex; flex-wrap: wrap; gap: .5rem; }

.tech {
  position: relative;
  padding: .5rem .875rem;
  border-radius: 2px;
  font: 500 .8125rem/1 var(--mono);
  color: var(--mute);
  background: var(--panel-op);
  box-shadow: inset 0 0 0 1px var(--steel);
  transition: color .2s var(--ease), box-shadow .2s var(--ease), translate .2s var(--ease), background .2s var(--ease);
}
.tech:hover { color: var(--chalk); box-shadow: inset 0 0 0 1px var(--steel-hi); translate: 0 -2px; }
.tech:active { translate: 0 0; scale: .96; }
.tech.is-on {
  color: var(--signal-ink);
  background: var(--signal);
  box-shadow: inset 0 0 0 1px var(--signal);
}
.tech__n {
  font-size: .625rem;
  color: var(--dim);
  margin-left: .4375rem;
  font-variant-numeric: tabular-nums;
}
.tech.is-on .tech__n { color: rgb(21 18 6 / .6); }

.stack__result {
  margin-top: 2rem;
  min-height: 1.5rem;
  font: 500 .8125rem/1.5 var(--mono);
  color: var(--mute);
}
.stack__result b { color: var(--chalk); font-weight: 600; }
.stack__result button {
  color: var(--signal);
  border-bottom: 1px solid var(--signal-lo);
  margin-left: .5rem;
}
.stack__result button:hover { border-color: var(--signal); }

/* ── about ─────────────────────────────────────────────────────────────── */

.about { display: grid; gap: 3rem; }
@media (min-width: 60rem) {
  .about { grid-template-columns: 1fr 22rem; gap: 4rem; align-items: start; }
}

.about__body {
  margin-top: 1.5rem;
  color: var(--mute);
  font-size: 1.0625rem;
  max-width: 36rem;
  text-wrap: pretty;
}
.about__side { display: grid; gap: 1px; background: var(--steel); box-shadow: 0 0 0 1px var(--steel); }

.panel { background: var(--void); padding: 1.5rem 1.375rem; }
.panel__title {
  font: 500 .625rem/1 var(--mono);
  letter-spacing: .16em; text-transform: uppercase;
  color: var(--signal);
}
.panel__lead {
  margin-top: 1rem;
  font-size: 1.0625rem;
  font-variation-settings: 'wdth' 95, 'wght' 600;
  line-height: 1.3;
}
.panel__meta { margin-top: .375rem; font: 400 .75rem/1.4 var(--mono); color: var(--dim); }
.panel__note { margin-top: .875rem; font-size: .875rem; color: var(--mute); text-wrap: pretty; }

.langs { margin-top: 1rem; display: grid; gap: .625rem; }
.langs li {
  display: flex; justify-content: space-between; gap: 1rem; align-items: baseline;
  font-size: .9375rem;
  padding-bottom: .625rem;
  border-bottom: 1px solid var(--steel);
}
.langs li:last-child { border-bottom: 0; padding-bottom: 0; }
.langs b { font: 500 .75rem/1 var(--mono); color: var(--mute); }

.facts { margin-top: 1rem; display: grid; gap: .875rem; }
.facts li { display: grid; gap: .1875rem; }
.facts b {
  font: 500 .625rem/1 var(--mono);
  letter-spacing: .12em; text-transform: uppercase; color: var(--dim);
}
.facts span { font-size: .9375rem; color: var(--chalk); }

/* ── contact ───────────────────────────────────────────────────────────── */

.contact { position: relative; overflow: hidden; }
.contact::before {
  content: '';
  position: absolute; inset: auto 0 -40% 0; height: 80%;
  background: radial-gradient(60% 100% at 50% 100%, rgb(255 209 0 / .1), transparent 70%);
  pointer-events: none;
}
.contact .wrap { position: relative; }

.contact__grid {
  margin-top: 3rem;
  display: grid;
  gap: 1px;
  background: var(--steel);
  box-shadow: 0 0 0 1px var(--steel);
}
@media (min-width: 44rem) { .contact__grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 68rem) { .contact__grid { grid-template-columns: repeat(4, 1fr); } }

.link {
  position: relative;
  display: grid;
  gap: .5rem;
  padding: 1.5rem 1.375rem;
  background: var(--void);
  text-align: left;
  overflow: hidden;
  transition: background .25s var(--ease);
}
.link::before {
  content: '';
  position: absolute; left: 0; bottom: 0; width: 100%; height: 2px;
  background: var(--signal);
  transform: scaleX(0); transform-origin: 0 50%;
  transition: transform .4s var(--ease-out);
}
.link:hover { background: var(--graphite); }
.link:hover::before { transform: none; }
.link:active { background: var(--panel-op); }

.link__k {
  font: 500 .625rem/1 var(--mono);
  letter-spacing: .14em; text-transform: uppercase; color: var(--dim);
}
.link__v {
  font-size: .9375rem;
  font-variation-settings: 'wdth' 95, 'wght' 600;
  word-break: break-word;
}
.link__hint {
  font: 400 .625rem/1 var(--mono);
  letter-spacing: .1em; text-transform: uppercase;
  color: var(--signal);
  opacity: 0;
  transform: translateY(4px);
  transition: opacity .25s var(--ease), transform .25s var(--ease);
}
.link:hover .link__hint, .link:focus-visible .link__hint { opacity: 1; transform: none; }
.link--copy .link__hint.is-done { opacity: 1; transform: none; }

.contact__where {
  margin-top: 2.5rem;
  text-align: center;
  font: 400 .75rem/1.8 var(--mono);
  letter-spacing: .1em; text-transform: uppercase;
  color: var(--dim);
}
.contact__cv { color: var(--mute); border-bottom: 1px solid var(--steel-hi); }
.contact__cv:hover { color: var(--signal); border-color: var(--signal); }

/* ── footer ────────────────────────────────────────────────────────────── */

.foot { border-top: 1px solid var(--steel); padding-block: 2rem; }
.foot__inner {
  display: flex; flex-wrap: wrap; gap: .5rem 1.5rem;
  justify-content: space-between;
  font: 400 .75rem/1.5 var(--mono);
  color: var(--dim);
}

/* ── reveal ────────────────────────────────────────────────────────────── */

.js [data-reveal] {
  opacity: 0;
  transform: translateY(1.25rem);
  transition:
    opacity .7s var(--ease-out) var(--d, 0s),
    transform .7s var(--ease-out) var(--d, 0s);
}
.js [data-reveal].is-in { opacity: 1; transform: none; }

/* hero words ride in from below their own clip */
.js .hero__word { transform: translateY(110%); }
.js .hero__name.is-in .hero__word {
  transform: none;
  transition: transform .95s var(--ease-out) var(--wd, 0s);
}
.js .hero__name { opacity: 1; transform: none; transition: none; }

/* ── reduced motion ────────────────────────────────────────────────────── */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
    scroll-behavior: auto !important;
  }
  .js [data-reveal] { opacity: 1; transform: none; }
  .js .hero__word { transform: none; }
  .bar { opacity: 1; transform: none; }
}