/* Sângele nu se alege · registru clinic, cartelă de donator */
:root {
  --paper: #faf6f0;
  --paper-2: #f1e8db;
  --ink: #1c1815;
  --ink-soft: #6b5f50;
  --rule: #ddd0bc;
  --rule-strong: #b7a486;
  --pos: #b91c31;
  --pos-soft: #f3d6da;
  --neg: #1d3557;
  --neg-soft: #d7e0ea;
  --warn: #8a6d24;
  --sans: "IBM Plex Sans", "Helvetica Neue", Arial, sans-serif;
  --display: "Archivo", "Helvetica Neue", Arial, sans-serif;
  --mono: "IBM Plex Mono", "Menlo", "Consolas", monospace;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation: none !important; transition: none !important; }
}
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
.visually-hidden {
  position: absolute; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap;
}
a { color: var(--ink); text-decoration-color: var(--rule-strong); text-underline-offset: 2px; }
a:hover { text-decoration-color: var(--pos); }

.shell { max-width: 46rem; margin: 0 auto; padding: 0 1.25rem; }
.shell-wide { max-width: 60rem; margin: 0 auto; padding: 0 1.25rem; }

.topbar {
  display: flex; justify-content: space-between; align-items: baseline;
  max-width: 60rem; margin: 0 auto; padding: 1rem 1.25rem;
  font-family: var(--mono); font-size: .8rem;
}
.topbar a { text-decoration: none; }
.topbar .brand { letter-spacing: .04em; }
.langsw a[aria-current] { border-bottom: 2px solid var(--pos); }

/* ── hero ── */
.hero { padding: 2.5rem 0 1rem; }
.kicker {
  font-family: var(--mono); font-size: .76rem; letter-spacing: .12em;
  text-transform: uppercase; color: var(--ink-soft); margin: 0 0 1rem;
}
h1 {
  font-family: var(--display); font-weight: 800; font-size: clamp(2.3rem, 6.6vw, 3.9rem);
  line-height: 1.04; margin: 0 0 1.2rem; letter-spacing: -.01em;
}
.standfirst { font-size: 1.12rem; line-height: 1.6; max-width: 42rem; margin: 0 0 1.5rem; }

.ledgerline {
  display: grid; grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid var(--rule-strong); border-bottom: 1px solid var(--rule-strong);
  margin: 1.75rem 0;
}
.ledgerline > div { padding: .8rem .9rem .8rem 0; border-right: 1px solid var(--rule); }
.ledgerline > div:last-child { border-right: 0; }
.ledgerline .n { font-family: var(--display); font-weight: 800; font-size: 1.55rem; display: block; font-variant-numeric: tabular-nums; }
.ledgerline .l { font-size: .78rem; color: var(--ink-soft); line-height: 1.35; display: block; margin-top: .25rem; }
@media (max-width: 700px) {
  .ledgerline { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .ledgerline > div:nth-child(2) { border-right: 0; }
  .ledgerline > div:nth-child(-n+2) { border-bottom: 1px solid var(--rule); }
}

/* ── sections ── */
.block { padding: 2.3rem 0 1.3rem; }
h2 {
  font-family: var(--display); font-weight: 800; font-size: clamp(1.45rem, 3.6vw, 1.95rem);
  line-height: 1.14; margin: 0 0 1rem;
}
.prose p { max-width: 42rem; margin: 0 0 1.05rem; }
.prose .note { font-size: .88rem; color: var(--ink-soft); }
hr.divider { border: 0; border-top: 1px solid var(--rule-strong); margin: 1.5rem auto; max-width: 60rem; }
strong { font-weight: 600; }
.num { font-family: var(--mono); font-variant-numeric: tabular-nums; font-size: .94em; white-space: nowrap; }

/* ── figuri ── */
figure.fig { margin: 1.8rem 0; }
figure.fig svg { display: block; width: 100%; height: auto; }
figcaption {
  font-size: .8rem; color: var(--ink-soft); margin-top: .55rem; line-height: 1.5;
  max-width: 42rem; font-family: var(--mono);
}

/* ── instrumentul: cadranul de compatibilitate ── */
.instrument {
  background: var(--paper-2);
  border-top: 1px solid var(--rule-strong); border-bottom: 1px solid var(--rule-strong);
  padding: 2.2rem 0 2.4rem;
}
.controls { display: flex; flex-wrap: wrap; gap: 1.4rem 2.2rem; align-items: end; margin: 1.3rem 0 0; }
.ctrl-lbl {
  display: block; font-family: var(--mono); font-size: .74rem;
  letter-spacing: .1em; text-transform: uppercase; color: var(--ink-soft); margin-bottom: .45rem;
}
.segmented { display: inline-flex; border: 1px solid var(--rule-strong); border-radius: 4px; overflow: hidden; }
.segmented button {
  font-family: var(--mono); font-size: .88rem; padding: .55rem 1.1rem;
  background: var(--paper); color: var(--ink); border: 0; cursor: pointer;
}
.segmented button + button { border-left: 1px solid var(--rule-strong); }
.segmented button[aria-pressed="true"] { background: var(--ink); color: var(--paper); }
.segmented button:focus-visible { outline: 2px solid var(--neg); outline-offset: -2px; }

.dialgrid { display: grid; grid-template-columns: minmax(0, 21rem) minmax(16rem, 1fr); gap: 2.4rem; align-items: start; margin-top: 1.4rem; }
@media (max-width: 820px) { .dialgrid { grid-template-columns: minmax(0, 1fr); } }

.dial { position: relative; max-width: 21rem; margin: 0 auto; }
.dial svg { display: block; width: 100%; height: auto; }
.dial-seg { cursor: pointer; stroke: var(--paper-2); stroke-width: 2; opacity: .32; transition: opacity .15s; }
.dial-seg:hover { opacity: .6; }
.dial-seg.is-selected { opacity: 1; }
.dial-seg.is-compat { opacity: .78; }
.dial-seg:focus-visible { outline: 2px solid var(--ink); outline-offset: -3px; }
.dial-label { font-family: var(--mono); font-weight: 600; font-size: .92rem; fill: var(--paper); pointer-events: none; }
.dial-center { font-family: var(--display); font-weight: 800; }
.dial-hint { font-family: var(--mono); font-size: .72rem; letter-spacing: .08em; text-transform: uppercase; text-align: center; color: var(--ink-soft); margin-top: .9rem; }

.readouts { display: grid; gap: 1.1rem; }
.readout { border-top: 1px solid var(--rule-strong); padding-top: .75rem; }
.readout .r-num { font-family: var(--display); font-weight: 800; font-size: 1.7rem; line-height: 1.1; font-variant-numeric: tabular-nums; display: block; }
.readout .r-num.pos { color: var(--pos); }
.readout .r-num.neg { color: var(--neg); }
.readout .r-txt { font-size: .92rem; color: var(--ink-soft); line-height: 1.5; display: block; margin-top: .3rem; }
.chiprow { display: flex; flex-wrap: wrap; gap: .4rem; margin-top: .5rem; }
.chip {
  font-family: var(--mono); font-size: .82rem; font-weight: 600; padding: .22rem .55rem;
  border-radius: 3px; background: var(--paper); border: 1px solid var(--rule-strong);
}
.chip.pos { background: var(--pos-soft); border-color: var(--pos); color: var(--pos); }
.chip.neg { background: var(--neg-soft); border-color: var(--neg); color: var(--neg); }

/* ── bare comparative ── */
.bars { max-width: 44rem; margin: 1.6rem 0; font-family: var(--mono); font-size: .82rem; }
.barrow { display: grid; grid-template-columns: 8.6rem minmax(0,1fr) 3.4rem; align-items: center; gap: .6rem; padding: .22rem 0; }
.barrow .b { height: .82em; background: var(--rule-strong); min-width: 2px; }
.barrow.is-ro .b { background: var(--pos); }
.barrow.is-ro { font-weight: 600; }
.barrow .v { text-align: right; font-variant-numeric: tabular-nums; }
@media (max-width: 480px) { .barrow { grid-template-columns: 6.6rem minmax(0,1fr) 3rem; } }

/* ── surse ── */
.ledger .srcrow { border-top: 1px solid var(--rule); padding: 1rem 0; max-width: 42rem; }
.ledger .tag { font-family: var(--mono); font-size: .72rem; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-soft); margin: 0 0 .35rem; }
.ledger .srcrow p { margin: 0 0 .4rem; }
.ledger .meta { font-size: .85rem; color: var(--ink-soft); }

footer.site {
  border-top: 1px solid var(--rule-strong); margin-top: 3rem; padding: 1.2rem 0 2.2rem;
  font-family: var(--mono); font-size: .78rem; color: var(--ink-soft);
}
footer.site .shell { display: flex; justify-content: space-between; flex-wrap: wrap; gap: .5rem; }

.totop {
  position: fixed; right: 1rem; bottom: 1rem; width: 2.6rem; height: 2.6rem;
  display: none; align-items: center; justify-content: center;
  background: var(--ink); color: var(--paper); text-decoration: none;
  border-radius: 4px; font-size: 1.1rem; z-index: 10;
}
.totop.show { display: flex; }