/* ===========================================================================
   Lane 04 — Distribučný stroj
   Graphite and safety yellow. A visible grid, hairlines everywhere, and the
   range presented as what it is: a manifest.
   =========================================================================== */

:root {
  /* --- surfaces: neutral, but tinted cool so it is never flat grey --------- */
  --graphite: oklch(20.5% 0.006 255);
  --deep:     oklch(14.5% 0.005 255);
  --panel:    oklch(25%   0.007 255);
  --panel-2:  oklch(29%   0.008 255);
  --rule:     oklch(35%   0.008 255);
  --rule-sf:  oklch(27.5% 0.007 255);

  /* --- ink ---------------------------------------------------------------- */
  --text: oklch(93.5% 0.004 255);
  --mute: oklch(71%   0.006 255);
  --dim:  oklch(68.5% 0.007 255);  /* >=4.9:1 on graphite, panel and deep */

  /* --- signal ------------------------------------------------------------- */
  --hi:    oklch(88%   0.185 100);
  --hi-2:  oklch(78%   0.16  100);
  --plate: oklch(94%   0.004 255);

  --focus: var(--hi);

  /* --- type --------------------------------------------------------------- */
  --disp: 'Anybody', ui-sans-serif, system-ui, sans-serif;
  --sans: 'Chivo', ui-sans-serif, system-ui, -apple-system, sans-serif;
  --t-label: 0.72rem;
  --t-body:  1.01rem;
  --t-lede:  clamp(1.1rem, 0.9rem + 0.9vw, 1.45rem);
  --t-h2:    clamp(1.8rem, 1.2rem + 2vw, 3rem);
  --t-h1:    clamp(2.3rem, 1.1rem + 3.6vw, 4.6rem);

  --wrap: 88rem;
  --gut: clamp(1.1rem, 3.5vw, 3rem);
}

body {
  background: var(--graphite);
  color: var(--text);
  /* light type on a dark ground needs a little more leading */
  font: 400 var(--t-body)/1.68 var(--sans);
}

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

h1, h2 {
  font-family: var(--disp);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: -0.01em;
}
/* Slovak stacks ´ ˇ ˆ above capitals: headings never go tighter than 1.05. */
h1 {
  font-size: var(--t-h1);
  line-height: 1.06;
  /* the width axis is the voice: expanded for the one display line */
  font-stretch: 122%;
}
h2 { font-size: var(--t-h2); line-height: 1.08; font-stretch: 112%; }
h3 { font-family: var(--sans); font-size: 0.92rem; font-weight: 600; line-height: 1.35; }

a { text-underline-offset: 0.18em; }

/* Condensed, uppercase, tracked: the label voice of the whole lane. */
.kicker, .sec-n, .plate__cap, .mtx thead th, .ft__col h3, .dl__kind, .mf__code {
  font-family: var(--disp);
  font-stretch: 78%;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.kicker {
  display: inline-flex;
  align-items: stretch;
  font-size: var(--t-label);
  border: 1px solid var(--rule);
}
.kicker__k { padding: 0.45rem 0.7rem; color: var(--deep); background: var(--hi); }
.kicker__v { padding: 0.45rem 0.7rem; color: var(--mute); }

.sec-n {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: var(--t-label);
  color: var(--hi);
  margin-bottom: 0.7rem;
}
.sec-n__l { color: var(--dim); }

/* --- buttons -------------------------------------------------------------- */

.btn {
  padding: 0.9rem 1.4rem;
  font-family: var(--disp);
  font-stretch: 92%;
  font-size: 0.92rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  border-radius: 0;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}
.btn--primary { background: var(--hi); color: var(--deep); }
.btn--primary:hover { background: var(--text); }
.btn--quiet { border: 1px solid var(--rule); color: var(--text); background: none; }
.btn--quiet:hover { border-color: var(--hi); color: var(--hi); }
.btn__tag {
  font-stretch: 78%;
  font-size: 0.7rem;
  color: var(--dim);
  padding-left: 0.6em;
  border-left: 1px solid var(--rule);
}

/* --- age gate ------------------------------------------------------------- */

.gate { --gate-scrim: oklch(14.5% 0.005 255); }
.gate__panel {
  display: grid;
  max-width: 60rem;
  border: 1px solid var(--rule);
  background: var(--graphite);
}
@media (min-width: 58rem) { .gate__panel { grid-template-columns: 1.25fr 0.75fr; } }
.gate__body { padding: clamp(1.5rem, 4vw, 3rem); }
.gate__kicker {
  font-family: var(--disp);
  font-stretch: 78%;
  font-size: var(--t-label);
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--hi);
}
.gate__title {
  margin: 0.8rem 0 1rem;
  font-family: var(--disp);
  font-stretch: 115%;
  font-size: clamp(1.7rem, 1.1rem + 2vw, 2.7rem);
  font-weight: 800;
  line-height: 1.08;
  text-transform: uppercase;
  letter-spacing: -0.01em;
}
.gate__desc { color: var(--mute); max-width: 38ch; }
.gate__actions { margin-top: 1.7rem; }
.gate__note {
  margin-top: 1.6rem;
  padding-top: 1.1rem;
  border-top: 1px solid var(--rule-sf);
  font-size: 0.85rem;
  color: var(--dim);
}
.gate__deny { margin-top: 1.1rem; font-weight: 600; color: var(--hi); }
.gate__object { display: none; }
@media (min-width: 58rem) {
  .gate__object {
    display: grid;
    place-items: center;
    border-left: 1px solid var(--rule);
    background: var(--panel);
    padding: 1.5rem;
  }
  .gate__object img { width: min(13rem, 20vw); height: auto; }
}

/* --- header --------------------------------------------------------------- */

.hdr {
  position: sticky;
  top: 0;
  z-index: 90;
  background: color-mix(in oklab, var(--graphite) 92%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--rule-sf);
}
.hdr.is-stuck { border-bottom-color: var(--rule); }
.hdr__in {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  min-height: 4.2rem;
}
.hdr__mark { display: flex; align-items: center; padding: 0.75rem 0; }
.hdr__mark img { width: 8.2rem; }

.nav { display: flex; align-items: center; gap: clamp(1rem, 2.2vw, 2rem); }
.nav__list { display: flex; align-items: center; gap: clamp(0.8rem, 1.7vw, 1.6rem); }
.nav__list > li > a,
.nav__toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.75rem 0;
  min-height: 2.75rem;
  font-family: var(--disp);
  font-stretch: 88%;
  font-size: 0.86rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--mute);
  background: none;
  border: 0;
  cursor: pointer;
  transition: color 0.15s;
}
.nav__list > li > a:hover, .nav__toggle:hover { color: var(--hi); }
.chev { width: 0.6rem; transition: transform 0.2s; }
[aria-expanded='true'] .chev { transform: rotate(180deg); }

.nav__has-sub { position: relative; }
.nav__sub {
  position: absolute;
  top: 100%;
  left: -0.8rem;
  min-width: 16rem;
  background: var(--panel);
  border: 1px solid var(--rule);
}
.nav__sub[hidden] { display: none; }
.nav__sub a {
  display: block;
  padding: 0.65rem 0.85rem;
  font-size: 0.86rem;
  text-decoration: none;
  border-bottom: 1px solid var(--rule-sf);
}
.nav__sub li:last-child a { border-bottom: 0; }
.nav__sub a:hover { background: var(--panel-2); color: var(--hi); }

.hdr__aside { display: flex; align-items: center; gap: 0.8rem; }
.locales {
  display: flex;
  border: 1px solid var(--rule-sf);
}
.locales a {
  display: block;
  padding: 0.5rem 0.5rem;
  font-family: var(--disp);
  font-stretch: 82%;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--dim);
  text-decoration: none;
  border-right: 1px solid var(--rule-sf);
}
.locales li:last-child a { border-right: 0; }
.locales a[aria-current] { color: var(--deep); background: var(--hi); }
.locales a:hover { color: var(--hi); }
.locales a[aria-current]:hover { color: var(--deep); }
.social {
  display: grid;
  place-items: center;
  width: 2.2rem; height: 2.2rem;
  color: var(--mute);
  border: 1px solid var(--rule-sf);
}
.social:hover { color: var(--hi); border-color: var(--hi); }

.burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 0.26rem;
  width: 2.75rem; height: 2.75rem;
  background: none; border: 0; cursor: pointer;
}
.burger span { height: 1.5px; background: var(--text); transition: transform 0.2s, opacity 0.15s; }
.burger[aria-expanded='true'] span:nth-child(1) { transform: translateY(0.42rem) rotate(45deg); }
.burger[aria-expanded='true'] span:nth-child(2) { opacity: 0; }
.burger[aria-expanded='true'] span:nth-child(3) { transform: translateY(-0.42rem) rotate(-45deg); }

@media (max-width: 64rem) {
  .burger { display: flex; }
  .nav {
    position: absolute;
    top: 100%; left: 0; right: 0;
    display: block;
    padding: 0 var(--gut) 1.2rem;
    background: var(--deep);
    border-bottom: 1px solid var(--rule);
    visibility: hidden; opacity: 0;
    transition: opacity 0.18s, visibility 0.18s;
  }
  .nav.is-open { visibility: visible; opacity: 1; }
  .nav__list { display: block; }
  .nav__list > li { border-bottom: 1px solid var(--rule-sf); }
  .nav__list > li > a, .nav__toggle { padding: 0.95rem 0; width: 100%; justify-content: space-between; }
  .nav__sub { position: static; border: 0; padding-left: 0.9rem; }
  .hdr__aside { justify-content: space-between; padding-top: 1.1rem; }
}

/* --- hero: a spec plate --------------------------------------------------- */

.hero { padding: clamp(2rem, 5vw, 4rem) 0 0; }
.hero__in { display: grid; gap: clamp(1.8rem, 4vw, 3rem); align-items: start; }
@media (min-width: 62rem) {
  .hero__in { grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr); }
}
.hero__h { margin: 1.3rem 0 0; }
.hero__h em { font-style: normal; color: var(--hi); }
.hero__lede {
  margin-top: 1.4rem;
  max-width: 44ch;
  font-size: var(--t-lede);
  line-height: 1.55;
  color: var(--mute);
}
.hero__cta { margin-top: 1.8rem; display: flex; flex-wrap: wrap; gap: 0.7rem; }

.plate { border: 1px solid var(--rule); background: var(--panel); }
.plate__cap {
  padding: 0.6rem 1rem;
  font-size: var(--t-label);
  color: var(--deep);
  background: var(--hi);
}
.plate__row {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: baseline;
  gap: 1rem;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--rule-sf);
}
.plate__row dt {
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--dim);
}
.plate__row dd {
  font-family: var(--disp);
  font-stretch: 108%;
  font-size: 1.35rem;
  font-weight: 700;
  line-height: 1.1;
}
.plate__mk { display: flex; gap: 0.3rem; }
.plate__mk span {
  padding: 0.15rem 0.4rem;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--hi);
  border: 1px solid var(--rule);
}
.plate__unit {
  display: grid;
  place-items: center;
  gap: 0.9rem;
  margin: 0;
  padding: 1.4rem 1rem 1.2rem;
  background: var(--graphite);
}
.plate__unit img { height: clamp(9rem, 20vw, 13rem); width: auto; }
.plate__unit figcaption {
  font-size: 0.78rem;
  color: var(--dim);
  text-align: center;
}
.plate__unit figcaption .num { color: var(--mute); }

/* --- manifest ------------------------------------------------------------- */

.mf { padding: clamp(2.5rem, 6vw, 4.5rem) 0; }
.mf__row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  border: 1px solid var(--rule-sf);
  border-right: 0;
  border-bottom: 0;
}
@media (min-width: 40rem) { .mf__row { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 62rem) { .mf__row { grid-template-columns: repeat(6, 1fr); } }
.mf__row li {
  position: relative;
  display: grid;
  place-items: end center;
  padding: 2rem 0.8rem 1.2rem;
  border-right: 1px solid var(--rule-sf);
  border-bottom: 1px solid var(--rule-sf);
  transition: background 0.18s;
}
.mf__row li:hover { background: var(--panel); }
.mf__code {
  position: absolute;
  top: 0.6rem;
  left: 0.7rem;
  font-size: 0.68rem;
  color: var(--dim);
}
.mf__row li:hover .mf__code { color: var(--hi); }
.mf__row img { height: clamp(6rem, 11vw, 9.5rem); width: auto; }

/* --- about ---------------------------------------------------------------- */

.about { padding-bottom: clamp(2.5rem, 6vw, 4.5rem); }
.about__in { display: grid; gap: clamp(1.5rem, 4vw, 3rem); }
@media (min-width: 62rem) { .about__in { grid-template-columns: 22rem minmax(0, 1fr); } }
.about__head h2 { text-wrap: balance; }
.about__body { display: grid; gap: 1.1rem; max-width: 70ch; }
.about__body .lead { font-size: var(--t-lede); line-height: 1.55; color: var(--text); }
.about__body p { color: var(--mute); }

/* --- the manifest table --------------------------------------------------- */

.tbl { padding-bottom: clamp(2.5rem, 6vw, 4.5rem); }
.tbl__head { display: grid; gap: 1.1rem; padding-bottom: clamp(1.2rem, 3vw, 2rem); }
@media (min-width: 62rem) {
  .tbl__head { grid-template-columns: 1fr auto; align-items: end; }
  .tbl__note { text-align: right; }
}
.tbl__note { max-width: 38ch; color: var(--mute); }
.tbl__note strong { color: var(--hi); font-weight: 600; }

.mtx {
  width: 100%;
  border-collapse: collapse;
  border: 1px solid var(--rule);
  text-align: left;
}
.mtx thead th {
  padding: 0.6rem 0.9rem;
  font-size: var(--t-label);
  color: var(--deep);
  background: var(--hi);
  border-right: 1px solid oklch(80% 0.16 100);
  white-space: nowrap;
}
.mtx thead th:last-child { border-right: 0; }
.mtx tbody tr { border-top: 1px solid var(--rule-sf); }
.mtx tbody tr:nth-child(even) { background: oklch(22.5% 0.006 255); }
.mtx tbody tr:hover { background: var(--panel-2); }
.mtx td, .mtx tbody th {
  padding: 0.5rem 0.9rem;
  border-right: 1px solid var(--rule-sf);
  vertical-align: middle;
  font-weight: 400;
}
.mtx td:last-child, .mtx tbody th:last-child { border-right: 0; }
.mtx__n { color: var(--dim); font-size: 0.85rem; width: 3.5rem; }
.mtx__name { width: 40%; }
.mtx__name a {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0;
  min-height: 2.5rem;
  font-family: var(--disp);
  font-stretch: 100%;
  font-size: 1.02rem;
  font-weight: 700;
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: -0.005em;
}
.mtx__name a:hover { color: var(--hi); }
.mtx__go { color: var(--rule); transition: transform 0.18s, color 0.18s; }
.mtx__name a:hover .mtx__go { color: var(--hi); transform: translateX(0.25rem); }
/* the mark is reference data, so it gets a plate rather than a dark cell where
   dark-on-transparent artwork would disappear */
.mtx__mark { width: 7.5rem; }
.mtx__mark img {
  width: 5.6rem;
  height: 2.2rem;
  object-fit: contain;
  background: var(--plate);
  padding: 0.15rem 0.3rem;
}
.mtx__ext { color: var(--dim); font-size: 0.88rem; }
.mtx__c { text-align: right; white-space: nowrap; color: var(--text); font-size: 0.92rem; }
.mtx tfoot td {
  padding: 0.7rem 0.9rem;
  border-top: 1px solid var(--rule);
  font-family: var(--disp);
  font-stretch: 82%;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--hi);
}
.mtx tfoot td:first-child { text-align: right; color: var(--dim); }

@media (max-width: 62rem) {
  .mtx thead { display: none; }
  .mtx, .mtx tbody, .mtx tbody tr, .mtx td, .mtx tbody th { display: block; width: auto; }
  .mtx tbody tr {
    position: relative;
    display: grid;
    grid-template-columns: 3rem 1fr auto;
    align-items: center;
    gap: 0.2rem 0.7rem;
    padding: 0.6rem 0.7rem;
  }
  .mtx td, .mtx tbody th { border-right: 0; padding: 0; }
  .mtx__n { grid-column: 1; grid-row: 1 / span 2; }
  .mtx__name { grid-column: 2; grid-row: 1; }
  /* Two classes, because the `display: block` rule above is `.mtx td` and
     would out-specify a bare `.mtx__mark`. The mark is reference data: it earns
     its space in the desktop table, not in a phone-width row. */
  .mtx .mtx__mark { display: none; }
  .mtx__ext { grid-column: 2; grid-row: 2; font-size: 0.78rem; }
  /* an em dash standing in for "no site of its own" is fine in a table column,
     but on its own line it is just noise */
  .mtx .mtx__none { display: none; }
  .mtx__c { grid-column: 3; grid-row: 1 / span 2; text-align: right; }
  .mtx tfoot, .mtx tfoot tr { display: flex; justify-content: space-between; }
  .mtx tfoot td { border-top: 1px solid var(--rule); flex: 1; }
}

/* --- makers --------------------------------------------------------------- */

.mk { padding-bottom: clamp(2.5rem, 6vw, 4.5rem); }
.mk__head { padding-bottom: clamp(1.2rem, 3vw, 2rem); max-width: 34ch; }
.mk__row {
  display: grid;
  border: 1px solid var(--rule);
}
@media (min-width: 56rem) { .mk__row { grid-template-columns: 1fr 1fr; } }
.mk__card {
  display: grid;
  gap: 1rem;
  padding: clamp(1.3rem, 3vw, 2rem);
  background: var(--panel);
  text-decoration: none;
  border-bottom: 1px solid var(--rule);
  transition: background 0.18s;
}
.mk__row a:last-child { border-bottom: 0; }
@media (min-width: 56rem) {
  .mk__card { border-bottom: 0; border-right: 1px solid var(--rule); }
  .mk__row a:last-child { border-right: 0; }
}
.mk__card:hover { background: var(--panel-2); }
.mk__plate {
  display: grid;
  place-items: center;
  width: 9rem;
  padding: 0.7rem;
  background: var(--plate);
}
.mk__plate img { width: 100%; height: 2.4rem; object-fit: contain; }
.mk__body { display: grid; gap: 0.35rem; }
.mk__name {
  font-family: var(--disp);
  font-stretch: 106%;
  font-size: 1.1rem;
  font-weight: 700;
  text-transform: uppercase;
}
.mk__desc { color: var(--mute); font-size: 0.96rem; }
.mk__go {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--disp);
  font-stretch: 84%;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--hi);
}
.mk__go svg { transition: transform 0.18s; }
.mk__card:hover .mk__go svg { transform: translateX(0.25rem); }

/* --- downloads ------------------------------------------------------------ */

.dl { padding-bottom: clamp(3rem, 7vw, 5.5rem); }
.dl__head { padding-bottom: clamp(1.2rem, 3vw, 2rem); }
.dl__grid { display: grid; border: 1px solid var(--rule); }
@media (min-width: 52rem) { .dl__grid { grid-template-columns: repeat(3, 1fr); } }
.dl__grid li { border-bottom: 1px solid var(--rule); }
.dl__grid li:last-child { border-bottom: 0; }
@media (min-width: 52rem) {
  .dl__grid li { border-bottom: 0; border-right: 1px solid var(--rule); }
  .dl__grid li:last-child { border-right: 0; }
}
.dl__grid a {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 0.4rem 0.9rem;
  height: 100%;
  padding: clamp(1.1rem, 2.5vw, 1.6rem);
  text-decoration: none;
  transition: background 0.18s;
}
.dl__grid a:hover { background: var(--panel); }
.dl__n { color: var(--dim); font-size: 0.8rem; }
.dl__name {
  font-family: var(--disp);
  font-stretch: 104%;
  font-size: 1.05rem;
  font-weight: 700;
  text-transform: uppercase;
  line-height: 1.2;
}
.dl__kind {
  grid-column: 2;
  font-size: 0.68rem;
  color: var(--dim);
}
.dl__grid a:hover .dl__kind { color: var(--hi); }
.dl__go { display: none; }

/* --- footer --------------------------------------------------------------- */

.ft {
  background: var(--deep);
  border-top: 1px solid var(--rule);
  /* trailing space is clearance for the fixed variant switcher */
  padding: clamp(2.5rem, 6vw, 4rem) 0 5.2rem;
}
.ft__head { padding-bottom: clamp(1.5rem, 4vw, 2.5rem); }
.ft__grid {
  display: grid;
  border-top: 1px solid var(--rule-sf);
  border-left: 1px solid var(--rule-sf);
}
@media (min-width: 40rem) { .ft__grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 64rem) { .ft__grid { grid-template-columns: repeat(4, 1fr); } }
.ft__col {
  padding: clamp(1rem, 2.5vw, 1.5rem);
  border-right: 1px solid var(--rule-sf);
  border-bottom: 1px solid var(--rule-sf);
}
.ft__col h3 {
  font-size: 0.68rem;
  color: var(--dim);
  margin-bottom: 0.5rem;
}
.ft__col h3.sp { margin-top: 1.2rem; }
.ft__col strong { color: var(--text); font-weight: 600; }
.ft, .ft p, .ft address { color: var(--mute); }
.ft a { text-decoration-color: var(--rule); }
.ft a:hover { color: var(--hi); }
.ft__locales a { display: inline-block; padding: 0.12rem 0; }
.ft__resp {
  padding: clamp(1.2rem, 3vw, 1.8rem) 0;
  font-size: 0.88rem;
  max-width: 66ch;
}
.ft__base {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.5rem 1.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--rule-sf);
  font-size: 0.84rem;
}
.ft__credit { color: var(--dim); }

.concept {
  margin-top: clamp(1.4rem, 3.5vw, 2.2rem);
  padding: 1.1rem 1.3rem;
  background: var(--panel);
  border: 1px solid var(--rule);
  font-size: 0.85rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.9rem;
}
.concept p { max-width: 78ch; }
.concept strong { color: var(--hi); font-weight: 600; }
.concept__btn {
  padding: 0.6rem 0.95rem;
  font-family: var(--disp);
  font-stretch: 84%;
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: none;
  color: var(--text);
  border: 1px solid var(--rule);
  cursor: pointer;
  white-space: nowrap;
  min-height: 2.5rem;
}
.concept__btn:hover { border-color: var(--hi); color: var(--hi); }
