:root {
  --bg: #fff;
  --fg: #000;
  --mut: #6b6b6b;
  --sans: "Arial Black", "Helvetica Neue", Helvetica, Arial, system-ui, sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
  --gut: clamp(16px, 4vw, 48px);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
[hidden] { display: none !important; }

html { background: var(--bg); }
body {
  min-height: 100dvh;
  display: flex; flex-direction: column;
  background: var(--bg); color: var(--fg);
  font-family: var(--sans); font-weight: 900;
  -webkit-font-smoothing: antialiased;
}
body.verdict { --bg: #000; --fg: #fff; --mut: #9a9a9a; }

.mono { font: 500 12px/1.5 var(--mono); letter-spacing: .04em; text-transform: uppercase; }

/* ---------- barra superior / pie ---------- */
.top, .foot {
  display: flex; justify-content: space-between; align-items: center; gap: 1rem;
  padding: 12px var(--gut);
  font: 500 11px/1.4 var(--mono); letter-spacing: .08em; text-transform: uppercase;
}
.top { border-bottom: 1px solid var(--fg); }
.foot { border-top: 1px solid var(--fg); align-items: flex-start; margin-top: auto; color: var(--mut); }
.foot > div:last-child { text-align: right; }
.foot > div:only-child { text-align: left; }
.foot { flex-wrap: wrap; }
.foot > div:empty { display: none; }
#firma { flex: 1 0 100%; margin-top: 10px; font: italic 400 12px/1.4 Georgia, "Times New Roman", serif; letter-spacing: .04em; text-transform: none; color: var(--mut); }
#firma a { color: inherit; text-decoration: underline; text-underline-offset: 2px; }
#firma a:hover { color: var(--fg); }
.brand b { font-weight: 800; }
.topr { display: flex; gap: 22px; align-items: center; }

.lnk {
  font: inherit; letter-spacing: inherit; text-transform: inherit; color: inherit;
  background: none; border: 0; padding: 4px 0; cursor: pointer; text-decoration: underline; text-underline-offset: 3px;
}
.lnk:hover { text-decoration-thickness: 2px; }

/* ---------- botones ---------- */
.btn {
  font: 700 13px/1 var(--mono); letter-spacing: .12em; text-transform: uppercase;
  color: var(--bg); background: var(--fg); border: 2px solid var(--fg);
  padding: 18px 26px; cursor: pointer; border-radius: 0;
}
.btn:hover { background: var(--bg); color: var(--fg); }
.btn.ghost { background: transparent; color: var(--fg); }
.btn.ghost:hover { background: var(--fg); color: var(--bg); }
:focus-visible { outline: 3px solid currentColor; outline-offset: 3px; }
#big:focus { outline: none; }

main { flex: 1; display: flex; flex-direction: column; }
main > section { flex: 1; padding: var(--gut); }

/* ---------- 1. consulta ---------- */
#home { display: flex; align-items: center; }
#form { width: 100%; max-width: 1100px; }
.kicker { display: block; font: 500 12px/1.4 var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--mut); }
.ask { font-size: clamp(40px, 11vw, 140px); line-height: .92; letter-spacing: -.045em; margin: .25em 0 .5em; }
#q {
  width: 100%; display: block;
  font: 700 clamp(22px, 4.2vw, 46px)/1.2 var(--sans);
  color: var(--fg); background: transparent;
  border: 0; border-bottom: 4px solid var(--fg); border-radius: 0;
  padding: .3em 0; outline: none;
}
#q::placeholder { color: #b5b5b5; }
#q:focus { border-bottom-width: 8px; padding-bottom: calc(.3em - 4px); }
.row { margin-top: 28px; }
.fine { margin-top: 18px; font: 500 11px/1.4 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--mut); }

/* ---------- 2. análisis ---------- */
#work { max-width: 1100px; width: 100%; margin: 0 auto; }
.pct { font-size: clamp(72px, 22vw, 240px); line-height: .9; letter-spacing: -.06em; margin: .15em 0 .1em; font-variant-numeric: tabular-nums; }
.bar { height: 14px; border: 2px solid var(--fg); }
.bar i { display: block; height: 100%; width: 0; background: var(--fg); transition: width .45s steps(8, end); }
.log { list-style: none; margin-top: 22px; font: 500 13px/1.7 var(--mono); }
.log li { display: flex; gap: 1ch; padding: 1px 0; }
.log .tag { flex: none; min-width: 9ch; color: var(--mut); }
.log li.e { background: var(--fg); color: var(--bg); padding: 4px 8px; margin: 4px 0; font-weight: 700; }
.log li.e .tag { color: var(--bg); }
.log li.old { opacity: .35; }

/* ---------- 3. veredicto ---------- */
#verdict { display: flex; flex-direction: column; justify-content: space-between; gap: 24px; min-height: calc(100dvh - 90px); }
.vtop { display: grid; gap: 6px; max-width: 900px; color: var(--mut); }
.qecho { font: 700 clamp(16px, 2.6vw, 28px)/1.25 var(--sans); color: var(--fg); letter-spacing: -.01em; }
.big {
  font-size: min(23vw, 36dvh); line-height: .84; letter-spacing: -.055em;
  text-transform: uppercase; margin: 0 -.03em;
}
.big span { display: block; }
.big.slam { animation: slam .4s cubic-bezier(.2, .9, .1, 1) both; }
.big.blank { visibility: hidden; }
@keyframes slam { 0% { transform: scale(1.22); opacity: 0; } 35% { opacity: 1; } 100% { transform: scale(1); opacity: 1; } }

.vbot { display: grid; gap: 14px; }
.conf { color: var(--fg); opacity: 0; transition: opacity .3s; }
.conf.on { opacity: 1; }
.note { color: var(--mut); max-width: 60ch; }
.acts { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 16px; opacity: 0; pointer-events: none; transition: opacity .4s; }
.acts.on { opacity: 1; pointer-events: auto; }
.acts .btn { padding: 14px 18px; font-size: 12px; }
.picha { font: 700 clamp(18px, 3vw, 30px)/1.2 var(--sans); letter-spacing: -.02em; }
.aviso { font: italic 400 12px/1.4 Georgia, "Times New Roman", serif; letter-spacing: .04em; color: var(--mut); opacity: 0; pointer-events: none; transition: opacity .4s; }
.acts.on ~ .aviso { opacity: 1; pointer-events: auto; }
.aviso a { color: inherit; text-underline-offset: 2px; }
.aviso a:hover { color: var(--fg); }

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

@media (max-width: 700px) {
  .big { font-size: min(25vw, 34dvh); }
}

@media (max-width: 560px) {
  .brand { font-size: 10px; }
  .top { flex-wrap: wrap; row-gap: 6px; }
  .topr { gap: 16px; }
  .acts .btn { width: 100%; text-align: center; }
  .foot { flex-direction: column; gap: 6px; }
  .foot > div:last-child { text-align: left; }
}

@media (prefers-reduced-motion: reduce) {
  .big.slam { animation: none; }
  .bar i, .conf, .acts, .aviso { transition: none; }
}

/* ---------- documentación de la API ---------- */
.doc { max-width: 860px; margin: 0 auto; padding: var(--gut); font-weight: 400; }
.doc .ask { margin-bottom: .3em; }
.doc .lead { font: 800 clamp(18px, 3vw, 28px)/1.25 var(--sans); letter-spacing: -.02em; margin-bottom: 1.6em; }
.doc h2 { font: 500 12px/1.4 var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--mut); margin: 2.4em 0 .8em; }
.doc pre { font: 500 14px/1.6 var(--mono); border: 2px solid var(--fg); padding: 16px 18px; overflow-x: auto; white-space: pre; }
.doc pre i { font-style: normal; background: var(--fg); color: var(--bg); padding: 0 4px; }
.doc table { width: 100%; border-collapse: collapse; margin-top: 14px; font: 500 14px/1.5 var(--mono); }
.doc th, .doc td { text-align: left; vertical-align: top; padding: 10px 12px 10px 0; border-top: 1px solid var(--fg); }
.doc th { font-size: 11px; letter-spacing: .1em; text-transform: uppercase; color: var(--mut); }
.doc td:first-child, .doc th:first-child { width: 28%; }
.doc code { font-family: var(--mono); }
.try { display: grid; gap: 10px; margin-bottom: 14px; }
.try input { font: 700 20px/1.2 var(--sans); color: var(--fg); background: transparent; border: 0; border-bottom: 4px solid var(--fg); border-radius: 0; padding: .3em 0; outline: none; width: 100%; }
.try input:focus { border-bottom-width: 8px; padding-bottom: calc(.3em - 4px); }
.try .btn { justify-self: start; }
.out { min-height: 9.5em; }
.doc p:not(.kicker):not(.lead) { font: 400 17px/1.6 Georgia, "Times New Roman", serif; max-width: 62ch; margin-bottom: 1em; }
.doc p a { color: inherit; text-underline-offset: 2px; }