/* Markr: landing y páginas de acceso.
   Identidad: papel frío, tinta azul marino, boli rojo solo para errores y la
   escala MCER (A1–C2) como sistema de color de marca. */

:root {
  --paper: #ffffff;
  --paper-2: #f1f3f8;
  --ink: #172036;
  --ink-2: #4a5470;
  --line: #dde1ea;
  --blue: #3246d3;
  --blue-press: #2636b3;
  --on-blue: #ffffff;
  --red: #d7262e;
  --red-soft: #fde8e8;
  --navy: #161d3a;
  --on-navy: #e9ecf7;
  --on-navy-2: #a9b1cf;

  --A1: #cfe6fa; --A2: #cdeed5; --B1: #fbefa6; --B2: #fcd5a8; --C1: #f9c5cf; --C2: #e3d3fb;
  --A1-s: #4d9ee0; --A2-s: #3fae62; --B1-s: #d9b80f; --B2-s: #ee8a25; --C1-s: #de4f6c; --C2-s: #8b5fd9;

  --display: "Bricolage Grotesque", ui-sans-serif, system-ui, sans-serif;
  --text: "Atkinson Hyperlegible Next", ui-sans-serif, system-ui, sans-serif;

  --step--1: .875rem;
  --step-0: 1.0625rem;
  --step-1: 1.3rem;
  --step-2: 1.7rem;
  --step-3: clamp(1.9rem, 1.4rem + 2vw, 2.6rem);
  --step-4: clamp(2.4rem, 1.5rem + 4vw, 4.4rem);

  --gutter: clamp(1rem, 4vw, 3rem);
  --max: 1200px;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper: #12162a;
    --paper-2: #181d35;
    --ink: #eef0f8;
    --ink-2: #a7aecb;
    --line: #2b3253;
    --blue: #7d8cff;
    --blue-press: #95a1ff;
    --on-blue: #0d1130;
    --red: #ff6b6f;
    --red-soft: #3c1d27;
    --navy: #0b0f22;
    --A1: #1f3b57; --A2: #1e4030; --B1: #4c4415; --B2: #563a19; --C1: #57232f; --C2: #3b2a5c;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body.landing, body.auth {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 400 var(--step-0)/1.6 var(--text);
  -webkit-font-smoothing: antialiased;
}

a { color: var(--blue); }
:focus-visible { outline: 3px solid var(--blue); outline-offset: 3px; border-radius: 4px; }

h1, h2, h3 { font-family: var(--display); color: var(--ink); margin: 0; }
h1 { font-size: var(--step-4); line-height: 1.02; font-weight: 750; letter-spacing: -.02em; font-variation-settings: "wdth" 86; }
h2 { font-size: var(--step-3); line-height: 1.08; font-weight: 700; letter-spacing: -.015em; font-variation-settings: "wdth" 88; }
h3 { font-size: var(--step-1); line-height: 1.25; font-weight: 650; }
p { margin: 0; }

/* ---------------------------------------------------------------- botones */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  font: 700 var(--step-0)/1 var(--text);
  padding: .8rem 1.15rem; border-radius: 10px; text-decoration: none;
  border: 2px solid transparent; cursor: pointer;
  transition: background-color .15s ease, border-color .15s ease, transform .1s ease;
}
.btn:active { transform: translateY(1px); }
.btn-lg { padding: 1rem 1.4rem; font-size: 1.1rem; }
.btn-primary { background: var(--blue); color: var(--on-blue); }
.btn-primary:hover { background: var(--blue-press); }
.btn-line { border-color: var(--ink); color: var(--ink); }
.btn-line:hover { background: var(--paper-2); }
.btn-quiet { color: var(--ink); }
.btn-quiet:hover { background: var(--paper-2); }

/* ---------------------------------------------------------------- marca */
.wordmark {
  font: 800 1.6rem/1 var(--display); letter-spacing: -.03em; color: var(--ink);
  text-decoration: none; display: inline-flex; flex-direction: column; gap: 4px;
  font-variation-settings: "wdth" 80;
}
.wordmark-scale { display: flex; gap: 2px; }
.wordmark-scale i { display: block; height: 4px; flex: 1; border-radius: 1px; }
.wordmark-scale i:nth-child(1) { background: var(--A1-s); }
.wordmark-scale i:nth-child(2) { background: var(--A2-s); }
.wordmark-scale i:nth-child(3) { background: var(--B1-s); }
.wordmark-scale i:nth-child(4) { background: var(--B2-s); }
.wordmark-scale i:nth-child(5) { background: var(--C1-s); }
.wordmark-scale i:nth-child(6) { background: var(--C2-s); }
.wordmark-sm { font-size: 1.25rem; }

/* ---------------------------------------------------------------- nav */
.nav {
  position: sticky; top: 0; z-index: 20;
  display: flex; align-items: center; gap: 2rem;
  padding: .9rem var(--gutter);
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav-links { display: flex; gap: 1.5rem; margin-right: auto; }
.nav-links a { color: var(--ink-2); text-decoration: none; font-size: var(--step--1); font-weight: 500; }
.nav-links a:hover { color: var(--ink); }
.nav-actions { display: flex; gap: .5rem; }
.nav-actions .btn { padding: .6rem .95rem; font-size: var(--step--1); }
@media (max-width: 860px) { .nav-links { display: none; } .nav { justify-content: space-between; } }
@media (max-width: 420px) { .nav-actions .btn-quiet { display: none; } }

/* ---------------------------------------------------------------- hero */
.hero {
  max-width: var(--max); margin: 0 auto;
  padding: clamp(2.5rem, 6vw, 5.5rem) var(--gutter) clamp(3rem, 7vw, 6rem);
  display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  gap: clamp(2rem, 5vw, 4.5rem); align-items: center;
}
.hero-copy h1 { max-width: 12ch; }
.lede { margin-top: 1.5rem; font-size: var(--step-1); line-height: 1.5; color: var(--ink-2); max-width: 36ch; }
.hero-ctas { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 2rem; }
.hero-facts {
  list-style: none; padding: 0; margin: 2.5rem 0 0;
  display: flex; flex-wrap: wrap; gap: .5rem 1.75rem; color: var(--ink-2); font-size: var(--step--1);
}
.hero-facts strong { color: var(--ink); font-family: var(--display); font-size: 1.05rem; margin-right: .3rem; }
@media (max-width: 960px) {
  .hero { grid-template-columns: 1fr; }
  .hero-copy h1 { max-width: 16ch; }
}

/* La hoja: la redacción que se corrige sola */
.sheet {
  margin: 0; position: relative;
  background: var(--paper);
  border: 1px solid var(--line); border-radius: 18px;
  padding: clamp(1.25rem, 3vw, 2rem);
  box-shadow: 0 1px 0 var(--line), 0 30px 60px -30px rgba(23, 32, 54, .35);
}
.sheet::before {
  /* margen rojo del cuaderno */
  content: ""; position: absolute; top: 0; bottom: 0; left: clamp(.6rem, 1.6vw, 1rem);
  width: 2px; background: color-mix(in srgb, var(--red) 35%, transparent);
}
.sheet-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 1rem; margin-bottom: 1rem; }
.sheet-title { display: block; font: 700 1.15rem/1.2 var(--display); }
.sheet-meta { display: block; color: var(--ink-2); font-size: var(--step--1); }
.replay {
  font: 500 var(--step--1)/1 var(--text); color: var(--ink-2); background: none;
  border: 1px solid var(--line); border-radius: 999px; padding: .4rem .8rem; cursor: pointer;
}
.replay:hover { color: var(--ink); border-color: var(--ink-2); }

.sheet-text { font-size: 1.12rem; line-height: 2.1; }
.mk { position: relative; border-radius: 3px; padding: .1em 0; transition: background-color .5s ease, color .3s ease; }
.mk.mcer.on.lv-A2 { background: var(--A2); }
.mk.mcer.on.lv-B1 { background: var(--B1); }
.mk.mcer.on.lv-B2 { background: var(--B2); }
.mk.ia { border-bottom: 2.5px dashed transparent; transition: border-color .5s ease; }
.mk.ia.on.ia-A2 { border-bottom-color: var(--A2-s); }
.mk.ia.on.ia-B1 { border-bottom-color: var(--B1-s); }
.mk.err.on {
  color: var(--red);
  text-decoration: underline wavy var(--red); text-decoration-thickness: 1.5px; text-underline-offset: 5px;
}
.mk.on[data-tip]::after {
  content: attr(data-tip);
  position: absolute; left: 0; bottom: calc(100% - .15em);
  font: 700 .68rem/1 var(--text); white-space: nowrap;
  padding: .2rem .35rem; border-radius: 4px; background: var(--ink); color: var(--paper);
  opacity: 0; transform: translateY(3px); transition: opacity .2s, transform .2s; pointer-events: none;
}
.mk.on[data-tip]:hover::after { opacity: 1; transform: none; }

.margin-notes { margin-top: 1rem; display: grid; gap: .6rem; }
.note {
  border-left: 3px solid var(--red); background: var(--red-soft);
  padding: .55rem .8rem; border-radius: 0 8px 8px 0; font-size: .95rem; line-height: 1.45;
  opacity: 0; transform: translateX(-6px); transition: opacity .35s ease, transform .35s ease;
}
.note.on { opacity: 1; transform: none; }
.note-old { color: var(--red); text-decoration: line-through; margin-right: .35rem; }
.note-new { font-weight: 700; }
.note-why { display: block; color: var(--ink-2); font-size: var(--step--1); }

.sheet-score {
  margin-top: 1.25rem; padding-top: 1.1rem; border-top: 1px dashed var(--line);
  display: grid; grid-template-columns: auto 1fr; gap: .4rem 1.5rem; align-items: center;
  opacity: 0; transition: opacity .4s ease;
}
.sheet-score.on { opacity: 1; }
.score-num { font: 800 3.4rem/1 var(--display); letter-spacing: -.03em; font-variation-settings: "wdth" 78; }
.score-num small { font-size: 1.1rem; color: var(--ink-2); font-weight: 600; margin-left: .15rem; }
.score-rows { margin: 0; display: grid; gap: .3rem; }
.score-rows div { display: grid; grid-template-columns: 6.5rem 1fr; align-items: center; gap: .6rem; }
.score-rows dt { color: var(--ink-2); font-size: var(--step--1); }
.score-rows dd { margin: 0; display: flex; align-items: center; gap: .6rem; font-variant-numeric: tabular-nums; font-size: var(--step--1); font-weight: 700; }
.meter { flex: 1; height: 6px; background: var(--paper-2); border-radius: 3px; overflow: hidden; }
.meter i { display: block; height: 100%; width: 0; background: var(--blue); border-radius: 3px; transition: width .9s cubic-bezier(.2, .7, .2, 1); }
.sheet-score.on .meter i { width: calc(var(--v) * 100%); }
.score-level { grid-column: 1 / -1; color: var(--ink-2); font-size: var(--step--1); }
.score-level b { color: var(--ink); }
.sheet-key { grid-column: 1 / -1; display: flex; flex-wrap: wrap; gap: .3rem .5rem; align-items: center; color: var(--ink-2); font-size: .8rem; }
.sheet-key .k-mcer { background: var(--B1); color: var(--ink); padding: 0 .3rem; border-radius: 3px; }
.sheet-key .k-ia { border-bottom: 2.5px dashed var(--B1-s); color: var(--ink); margin-left: .5rem; }

/* dos fuentes */
.sources-grid { margin-top: 2.25rem; display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; }
.src { border: 1.5px solid var(--line); border-radius: 18px; padding: clamp(1.25rem, 3vw, 2rem); }
.src-ia { border-style: dashed; }
.src-sample { font-size: 1.15rem; line-height: 2; margin-bottom: 1rem; }
.src h3 { margin-bottom: .4rem; }
.src p:last-child { color: var(--ink-2); }
.sources-rule { margin-top: 1.25rem; font: 650 1.15rem/1.4 var(--display); }
@media (max-width: 760px) { .sources-grid { grid-template-columns: 1fr; } }

@media (prefers-reduced-motion: reduce) {
  .mk, .note, .sheet-score, .meter i { transition: none; }
}

/* ---------------------------------------------------------------- audiencias */
.audiences {
  max-width: var(--max); margin: 0 auto; padding: 0 var(--gutter);
  display: grid; grid-template-columns: 1.15fr 1fr; gap: 1.25rem;
}
.aud { border-radius: 24px; padding: clamp(1.75rem, 4vw, 3rem); }
.aud h2 { max-width: 18ch; }
.aud-lede { margin-top: 1rem; font-size: 1.1rem; max-width: 46ch; }
.aud-list { list-style: none; padding: 0; margin: 2rem 0 0; display: grid; gap: 1.4rem; }
.aud-list h3 { font-size: 1.1rem; margin-bottom: .2rem; }
.aud-list p { font-size: .98rem; }

.aud-teachers { background: var(--navy); color: var(--on-navy); }
.aud-teachers h2, .aud-teachers h3 { color: #fff; }
.aud-teachers .aud-lede, .aud-teachers .aud-list p { color: var(--on-navy-2); }
.aud-teachers .aud-list { grid-template-columns: 1fr 1fr; gap: 1.6rem 2rem; }
.aud-teachers .aud-list li { border-top: 2px solid rgba(255, 255, 255, .14); padding-top: .9rem; }

.aud-students { background: var(--B1); }
.aud-students .aud-lede, .aud-students .aud-list p { color: color-mix(in srgb, var(--ink) 80%, transparent); }
.aud-students .aud-list li { padding-left: 1.1rem; border-left: 3px solid var(--ink); }
@media (prefers-color-scheme: dark) {
  .aud-teachers { background: #1d2550; }
  /* El amarillo B1 se mantiene vivo en oscuro: es el panel de los alumnos. */
  .aud-students { background: #f3dd6e; --ink: #172036; }
  .aud-students h2, .aud-students h3 { color: #172036; }
}
@media (max-width: 960px) {
  .audiences { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  .aud-teachers .aud-list { grid-template-columns: 1fr; }
}

/* ---------------------------------------------------------------- secciones */
.how, .explain, .sources, .levels, .faq, .contact, .closing {
  max-width: var(--max); margin: 0 auto; padding: clamp(4rem, 9vw, 7rem) var(--gutter) 0;
}
.section-title { max-width: 20ch; }

.steps {
  list-style: none; padding: 0; margin: 2.75rem 0 0;
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; counter-reset: s;
  position: relative;
}
.steps li { position: relative; padding-top: 3.4rem; }
.steps li::before {
  content: ""; position: absolute; top: 1.2rem; left: 2.6rem; right: -1.5rem; height: 2px; background: var(--line);
}
.steps li:last-child::before { display: none; }
.step-n {
  position: absolute; top: 0; left: 0; width: 2.4rem; height: 2.4rem; border-radius: 50%;
  display: grid; place-items: center; font: 800 1.1rem/1 var(--display);
  background: var(--ink); color: var(--paper);
}
.steps h3 { margin-bottom: .4rem; }
.steps p { color: var(--ink-2); font-size: .98rem; }
@media (max-width: 900px) {
  .steps { grid-template-columns: 1fr 1fr; row-gap: 2.5rem; }
  .steps li:nth-child(2)::before { display: none; }
}
@media (max-width: 560px) {
  .steps { grid-template-columns: 1fr; }
  .steps li::before { display: none; }
}

.explain { display: grid; grid-template-columns: 1fr 1.1fr; gap: clamp(2rem, 5vw, 4rem); align-items: center; }
.explain-copy p { margin-top: 1.1rem; color: var(--ink-2); max-width: 52ch; }
.f-bar { display: flex; height: 5.5rem; border-radius: 14px; overflow: hidden; }
.f-seg {
  flex: var(--w); display: flex; flex-direction: column; justify-content: flex-end;
  padding: .7rem .8rem; font-size: var(--step--1); color: var(--ink);
}
.f-seg b { font: 700 1.05rem/1.2 var(--display); }
.f-acc { background: var(--A1); }
.f-ran { background: var(--B2); }
.f-coh { background: var(--C2); }
.f-legend { margin: 1.5rem 0 0; display: grid; gap: .9rem; }
.f-legend div { display: grid; grid-template-columns: 7rem 1fr; gap: 1rem; }
.f-legend dt { font-weight: 700; }
.f-legend dd { margin: 0; color: var(--ink-2); }
@media (max-width: 860px) {
  .explain { grid-template-columns: 1fr; }
  .f-legend div { grid-template-columns: 1fr; gap: .1rem; }
}

/* escalera MCER */
.levels-lede { margin-top: 1rem; color: var(--ink-2); max-width: 56ch; }
.ladder { display: grid; grid-template-columns: repeat(6, 1fr); gap: .5rem; margin-top: 2.25rem; align-items: end; }
.rung {
  font: 800 1.5rem/1 var(--display); color: var(--ink); border: 0; cursor: pointer;
  border-radius: 12px 12px 4px 4px; padding: .9rem .5rem; text-align: left;
  background: var(--paper-2); transition: background-color .2s ease, height .25s ease;
  height: calc(3.6rem + var(--i) * .9rem);
  display: flex; align-items: flex-end;
}
.rung.lv-A1 { --i: 0; } .rung.lv-A2 { --i: 1; } .rung.lv-B1 { --i: 2; }
.rung.lv-B2 { --i: 3; } .rung.lv-C1 { --i: 4; } .rung.lv-C2 { --i: 5; }
.rung:hover, .rung[aria-selected="true"] { color: var(--ink); }
.rung.lv-A1:hover, .rung.lv-A1[aria-selected="true"] { background: var(--A1); }
.rung.lv-A2:hover, .rung.lv-A2[aria-selected="true"] { background: var(--A2); }
.rung.lv-B1:hover, .rung.lv-B1[aria-selected="true"] { background: var(--B1); }
.rung.lv-B2:hover, .rung.lv-B2[aria-selected="true"] { background: var(--B2); }
.rung.lv-C1:hover, .rung.lv-C1[aria-selected="true"] { background: var(--C1); }
.rung.lv-C2:hover, .rung.lv-C2[aria-selected="true"] { background: var(--C2); }
.rung[aria-selected="true"] { box-shadow: inset 0 -4px 0 var(--ink); }

.level-panel {
  margin-top: .5rem; border-radius: 4px 4px 18px 18px; background: var(--paper-2);
  padding: clamp(1.25rem, 3vw, 2rem); display: grid; grid-template-columns: 1fr 1.4fr; gap: 1.5rem 2.5rem;
}
.level-panel h3 { font-size: var(--step-2); }
.lp-name { font: 500 1rem/1 var(--text); color: var(--ink-2); margin-left: .4rem; }
.level-panel .lp-desc { margin-top: .5rem; color: var(--ink-2); }
.lp-examples { list-style: none; margin: 0; padding: 0; display: grid; gap: .9rem; }
.lp-examples b { display: block; font-size: .95rem; }
.lp-examples q { display: block; color: var(--ink); font-style: italic; margin-top: .15rem; }
.lp-def { display: block; color: var(--ink-2); font-size: .92rem; }
@media (max-width: 760px) {
  .level-panel { grid-template-columns: 1fr; }
  .rung { font-size: 1.15rem; padding: .7rem .4rem; height: calc(3rem + var(--i) * .6rem); }
}

/* FAQ */
.faq-list { margin-top: 2rem; border-top: 1px solid var(--line); max-width: 60rem; }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary {
  cursor: pointer; list-style: none; padding: 1.15rem 2.5rem 1.15rem 0; position: relative;
  font: 650 1.12rem/1.35 var(--display);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+"; position: absolute; right: .25rem; top: 50%; transform: translateY(-50%);
  font: 400 1.6rem/1 var(--display); color: var(--ink-2); transition: transform .2s ease;
}
.faq details[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.faq details p { padding: 0 0 1.25rem; color: var(--ink-2); max-width: 64ch; }

/* cierre */
.closing { padding-bottom: clamp(4rem, 9vw, 7rem); text-align: center; }
.closing-sub { color: var(--ink-2); font-size: var(--step-1); margin: -1rem 0 2rem; }
.closing h2 { max-width: 22ch; margin: 0 auto 2rem; font-size: var(--step-4); line-height: 1.03; font-variation-settings: "wdth" 80; }

.foot {
  border-top: 1px solid var(--line);
  padding: 2rem var(--gutter); display: flex; flex-wrap: wrap; gap: 1rem 2rem; align-items: center;
  color: var(--ink-2); font-size: var(--step--1);
}
.foot p:last-child { margin-left: auto; display: flex; gap: 1.25rem; }

/* ================================================================ AUTH */
.auth-wrap { min-height: 100vh; display: grid; grid-template-columns: 1fr 1fr; }
.auth-side {
  background: var(--navy); color: var(--on-navy); padding: clamp(2rem, 5vw, 4rem);
  display: flex; flex-direction: column; justify-content: space-between; gap: 2rem;
}
.auth-side .wordmark { color: #fff; align-self: flex-start; }
.auth-quote { font: 700 var(--step-3)/1.15 var(--display); color: #fff; max-width: 16ch; font-variation-settings: "wdth" 85; }
.auth-sample { font-size: 1.05rem; line-height: 2; color: var(--on-navy-2); max-width: 40ch; }
.auth-sample .s { color: var(--ink); border-radius: 3px; padding: .08em .1em; }
.auth-sample .s.b1 { background: #fbefa6; }
.auth-sample .s.b2 { background: #fcd5a8; }
.auth-sample .e { color: #ff8a8e; text-decoration: underline wavy #ff8a8e; text-underline-offset: 4px; }

.auth-main { display: grid; place-items: center; padding: 2rem var(--gutter); }
.auth-card { width: 100%; max-width: 400px; }
.auth-card h1 { font-size: var(--step-3); }
.auth-card .sub { color: var(--ink-2); margin: .6rem 0 1.75rem; }
.field { display: grid; gap: .35rem; margin-bottom: 1.1rem; }
.field label { font-weight: 700; font-size: var(--step--1); }
.field input {
  font: inherit; color: var(--ink); background: var(--paper);
  border: 1.5px solid var(--line); border-radius: 10px; padding: .75rem .85rem; width: 100%;
}
.field input:focus { border-color: var(--blue); outline: none; box-shadow: 0 0 0 3px color-mix(in srgb, var(--blue) 25%, transparent); }
.field .help { color: var(--ink-2); font-size: .8rem; line-height: 1.4; }
.field .help ul { margin: .2rem 0 0; padding-left: 1rem; }
.field .errorlist, .form-error { color: var(--red); font-size: var(--step--1); list-style: none; padding: 0; margin: 0; }
.form-error { background: var(--red-soft); padding: .7rem .85rem; border-radius: 10px; margin-bottom: 1.1rem; }
.auth-card .btn { width: 100%; margin-top: .5rem; }
.auth-alt { margin-top: 1.5rem; color: var(--ink-2); font-size: var(--step--1); text-align: center; }
@media (max-width: 860px) {
  .auth-wrap { grid-template-columns: 1fr; }
  .auth-side { gap: 1.25rem; padding-bottom: 2rem; }
  .auth-sample { display: none; }
}

/* contacto */
.contact { display: grid; grid-template-columns: 1fr 1.15fr; gap: clamp(2rem, 5vw, 4rem); align-items: start; }
.contact-copy p { margin-top: 1rem; color: var(--ink-2); max-width: 44ch; }
.contact-direct a { font-weight: 700; }
.contact-card {
  border: 1.5px solid var(--line); border-radius: 20px; padding: clamp(1.25rem, 3vw, 2rem);
  background: var(--paper);
}
.contact-row { display: grid; grid-template-columns: 1fr 1fr; gap: 0 1rem; }
.contact-card select, .contact-card textarea {
  font: inherit; color: var(--ink); background: var(--paper);
  border: 1.5px solid var(--line); border-radius: 10px; padding: .75rem .85rem; width: 100%;
}
.contact-card textarea { resize: vertical; min-height: 8rem; }
.contact-card select:focus, .contact-card textarea:focus {
  border-color: var(--blue); outline: none; box-shadow: 0 0 0 3px color-mix(in srgb, var(--blue) 25%, transparent);
}
.contact-card .errorlist { margin: .2rem 0 0; list-style: none; padding: 0; color: var(--red); font-size: var(--step--1); }
.contact-card > .errorlist { margin: -.6rem 0 1rem; }
section[id] { scroll-margin-top: 5.5rem; }
.consent { display: flex; gap: .6rem; align-items: flex-start; margin: .25rem 0 1rem; color: var(--ink-2); font-size: .95rem; }
.consent input { width: 1.15rem; height: 1.15rem; margin-top: .2rem; accent-color: var(--blue); flex: none; }
.contact-card .btn { width: 100%; }
.hp { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.contact-done { text-align: center; color: var(--A2-s); padding-block: 2.5rem; }
.contact-done h3 { color: var(--ink); margin: .75rem 0 .4rem; }
.contact-done p { color: var(--ink-2); }
@media (max-width: 860px) {
  .contact { grid-template-columns: 1fr; }
  .contact-row { grid-template-columns: 1fr; }
}

/* textos legales */
.legal { max-width: 52rem; margin: 0 auto; padding: clamp(2.5rem, 6vw, 4.5rem) var(--gutter) 4rem; }
.legal-doc h1 { font-size: var(--step-3); }
.legal-updated { color: var(--ink-2); font-size: var(--step--1); margin: .5rem 0 2rem; }
.legal-lede { font-size: 1.12rem; padding: 1rem 1.2rem; border-left: 4px solid var(--blue); background: var(--paper-2); border-radius: 0 12px 12px 0; margin-bottom: 1.5rem; }
.legal-doc section { margin-top: 2.25rem; }
.legal-doc h2 { font-size: var(--step-1); margin-bottom: .6rem; }
.legal-doc p, .legal-doc li { color: var(--ink); max-width: 72ch; line-height: 1.65; }
.legal-doc p + p { margin-top: .8rem; }
.legal-doc ul { padding-left: 1.2rem; display: grid; gap: .5rem; margin: .8rem 0; }
.legal-id { display: grid; gap: .4rem; margin: 1rem 0; padding: 1rem 1.2rem; border: 1px solid var(--line); border-radius: 12px; }
.legal-id div { display: grid; grid-template-columns: 11rem 1fr; gap: 1rem; }
.legal-id dt { font-weight: 700; color: var(--ink-2); }
.legal-id dd { margin: 0; }
.legal-table { overflow-x: auto; margin: 1rem 0; border: 1px solid var(--line); border-radius: 12px; }
.legal-table table { width: 100%; border-collapse: collapse; font-size: .95rem; min-width: 38rem; }
.legal-table th, .legal-table td { text-align: left; vertical-align: top; padding: .7rem .8rem; border-bottom: 1px solid var(--line); }
.legal-table th { background: var(--paper-2); font-weight: 700; }
.legal-table tr:last-child td { border-bottom: 0; }
.legal-doc code { font-size: .9em; background: var(--paper-2); padding: .1em .35em; border-radius: 4px; }
.nav-links a[aria-current=page] { color: var(--ink); font-weight: 700; }
.foot-legal { margin-left: auto; display: flex; flex-wrap: wrap; gap: .5rem 1.25rem; }
.foot-legal a { color: var(--ink-2); }
.auth-legal { margin-top: 2rem; display: flex; flex-wrap: wrap; gap: .4rem 1rem; justify-content: center; font-size: .8rem; }
.auth-legal a { color: var(--ink-2); }
.check-field { display: flex; gap: .6rem; align-items: flex-start; margin: .2rem 0 .8rem; font-size: .92rem; color: var(--ink-2); }
.check-field input { width: 1.1rem; height: 1.1rem; margin-top: .2rem; accent-color: var(--blue); flex: none; }
.auth-card .errorlist { list-style: none; padding: 0; margin: -.4rem 0 .8rem; color: var(--red); font-size: var(--step--1); }
@media (max-width: 600px) { .legal-id div { grid-template-columns: 1fr; gap: 0; } }