@font-face {
  font-family: 'Archivo';
  src: url('/fonts/archivo-var.woff2') format('woff2');
  font-weight: 100 900;
  font-stretch: 62% 125%;
  font-display: swap;
}
@font-face {
  font-family: 'Kalam';
  src: url('/fonts/kalam-400.woff2') format('woff2');
  font-weight: 400;
  font-display: swap;
}
@font-face {
  font-family: 'Kalam';
  src: url('/fonts/kalam-700.woff2') format('woff2');
  font-weight: 700;
  font-display: swap;
}

:root {
  /* Papel y tinta de una libreta de TP. */
  --paper: #f8fafc;
  --rule: #a9c4e4;
  --margin: #e2685f;
  --ink: #1e2b4a;
  --ink-soft: #46506a;
  --pen: #2446b8;
  --stamp: #007a60;
  --stamp-red: #c8312b;
  --cover: #004a39;
  --cover-deep: #00332a;
  --hl: rgb(0 150 116 / 0.14);

  --line: 1.75rem;           /* interlineado = separación de renglones */
  --gutter: clamp(1.4rem, 4vw, 2.5rem);
  --margin-x: 2.6rem;        /* posición de la línea roja de margen */

  --print: 'Archivo', system-ui, sans-serif;
  --hand: 'Kalam', 'Segoe Print', cursive;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);

  color-scheme: light;
}

*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 1rem; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--print);
  font-size: 1.0625rem;
  font-weight: 420;
  font-stretch: 100%;
  line-height: var(--line);
  color: var(--ink);
  background-color: var(--cover);
  /* Cartulina de la tapa: grano fino. */
  background-image:
    radial-gradient(120% 70% at 50% 0%, rgb(255 255 255 / 0.07), transparent 60%),
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 1  0 0 0 0 1  0 0 0 0 1  0 0 0 0.09 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  font-variant-numeric: tabular-nums;
  scrollbar-color: var(--stamp) var(--cover-deep);
  caret-color: var(--pen);
}

::selection { background: var(--stamp); color: var(--paper); }

.defs { position: absolute; width: 0; height: 0; overflow: hidden; }

.skip {
  position: absolute; left: 1rem; top: -4rem; z-index: 10;
  padding: 0.5rem 0.9rem; border-radius: 6px;
  background: var(--paper); color: var(--ink); font-weight: 700;
}
.skip:focus { top: 1rem; }

:focus-visible { outline: 2.5px solid var(--pen); outline-offset: 3px; border-radius: 4px; }

a { color: var(--pen); text-underline-offset: 0.2em; text-decoration-thickness: 1.5px; }
code {
  font-family: var(--print); font-stretch: 87%; font-weight: 650;
  color: var(--stamp); background: var(--hl); padding: 0.05em 0.35em; border-radius: 4px;
}
b, strong { font-weight: 700; }
.nowrap { white-space: nowrap; }
.pen { font-family: var(--hand); color: var(--pen); }

/* ── La libreta ─────────────────────────────────────────────────────────── */

.libreta {
  width: min(100% - 1.25rem, 74rem);
  margin: 0.625rem auto 0;
  display: grid;
  gap: 0.625rem;
}

.spread {
  position: relative;
  display: grid;
  border-radius: 4px 10px 10px 4px;
  box-shadow: 0 1px 1px rgb(0 0 0 / 0.25), 0 18px 40px -12px rgb(0 0 0 / 0.55);
}

.page {
  position: relative;
  padding: calc(var(--line) * 1.5) var(--gutter) calc(var(--line) * 2) calc(var(--margin-x) + 1.1rem);
  background-color: var(--paper);
  /* Renglones azules alineados al interlineado y la línea roja de margen. */
  background-image:
    linear-gradient(to right, transparent var(--margin-x), var(--margin) var(--margin-x), var(--margin) calc(var(--margin-x) + 1.5px), transparent calc(var(--margin-x) + 1.5px)),
    linear-gradient(to bottom, transparent calc(var(--line) - 1px), var(--rule) calc(var(--line) - 1px), var(--rule) var(--line));
  background-size: 100% 100%, 100% var(--line);
  background-position: 0 0, 0 calc(var(--line) * 0.25);
  min-width: 0;
}
.spread > .page:first-child { border-radius: 4px 10px 0 0; }
.spread > .page:last-child  { border-radius: 0 0 10px 4px; }

/* En el celular cada hoja muestra su dorso como una hoja siguiente, separada por un pliegue. */
.page--right { border-top: 1px dashed var(--rule); }

@media (min-width: 60rem) {
  .libreta { margin-top: 1.5rem; gap: 2.5rem; }
  .spread { grid-template-columns: 1fr 1fr; border-radius: 6px; }
  .page { padding-top: calc(var(--line) * 2); padding-bottom: calc(var(--line) * 2.5); }
  .spread > .page:first-child { border-radius: 6px 0 0 6px; }
  .spread > .page:last-child  { border-radius: 0 6px 6px 0; }
  .page--right { border-top: 0; }
  /* El lomo: sombra hacia el centro de las dos páginas. */
  .page--left  { box-shadow: inset -26px 0 26px -22px rgb(0 0 0 / 0.35); }
  .page--right { box-shadow: inset 26px 0 26px -22px rgb(0 0 0 / 0.35); }
  .spread::after {
    content: ''; position: absolute; inset: 0 auto 0 50%; width: 1px;
    background: rgb(0 0 0 / 0.18); pointer-events: none;
  }
}

/* ── Tipografía impresa ─────────────────────────────────────────────────── */

h1, h2, h3 {
  margin: 0;
  font-weight: 800;
  font-stretch: 72%;
  letter-spacing: -0.015em;
  text-wrap: balance;
  color: var(--ink);
}
h1 {
  font-size: clamp(2.55rem, 10.5vw, 4.7rem);
  line-height: 0.98;
  margin-top: calc(var(--line) * 0.75);
  margin-bottom: calc(var(--line) * 0.75);
}
h2 {
  font-size: clamp(1.9rem, 6vw, 2.6rem);
  line-height: calc(var(--line) * 1.5);
  margin-bottom: calc(var(--line) * 0.5);
}
.h-sub {
  font-size: clamp(1.35rem, 4vw, 1.6rem);
  font-stretch: 80%;
  line-height: var(--line);
  margin: var(--line) 0 calc(var(--line) * 0.5);
}
.h-sub:first-child { margin-top: 0; }
h3 { font-size: 1.6rem; font-stretch: 78%; line-height: calc(var(--line) * 1.25); }

p { margin: 0 0 var(--line); max-width: 62ch; }

.lede { font-size: 1.15rem; color: var(--ink-soft); max-width: 34ch; }

/* Encabezado impreso del formulario de la libreta. */
.form-head {
  margin: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  border: 1.5px solid var(--ink);
  border-radius: 3px;
  font-size: 0.8rem;
  line-height: 1.2;
}
.form-head__title {
  grid-column: 1 / -1;
  padding: 0.45rem 0.6rem;
  border-bottom: 1.5px solid var(--ink);
  font-weight: 800; font-stretch: 112%;
  letter-spacing: 0.06em; text-transform: uppercase; font-size: 0.72rem;
}
.form-head > div:not(.form-head__title) { padding: 0.3rem 0.6rem 0.4rem; }
.form-head > div:last-child { border-left: 1.5px solid var(--ink); }
.form-head dt {
  font-weight: 650; font-stretch: 112%; font-size: 0.72rem;
  letter-spacing: 0.06em; text-transform: uppercase; color: var(--ink-soft);
}
.form-head dd { margin: 0.1rem 0 0; font-size: 1.15rem; line-height: 1.3; }

/* ── Botones ────────────────────────────────────────────────────────────── */

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.6rem;
  min-height: 3.25rem; padding: 0 1.6rem;
  border: 0; border-radius: 8px;
  background: var(--ink); color: var(--paper);
  font: 750 1.1rem/1 var(--print); font-stretch: 92%; letter-spacing: 0.005em;
  text-decoration: none; cursor: pointer;
  box-shadow: 0 2px 2px rgb(0 0 0 / 0.18), 0 10px 22px -10px rgb(0 0 0 / 0.55);
  transition: background-color 0.2s var(--ease), transform 0.2s var(--ease), box-shadow 0.2s var(--ease);
}
.btn:hover { background: var(--stamp); }
.btn:active { transform: translateY(1px); box-shadow: 0 1px 1px rgb(0 0 0 / 0.2); }
.btn svg { width: 1.3rem; height: 1.3rem; fill: currentColor; }
.btn--block { width: 100%; }
.btn--tg { background: var(--pen); }
.btn--tg:hover { background: var(--ink); }
.btn--ghost { background: transparent; color: var(--ink); box-shadow: inset 0 0 0 1.5px var(--ink); }
.btn--ghost:hover { background: var(--ink); color: var(--paper); }
.btn[aria-busy='true'] { cursor: progress; background: var(--ink-soft); }
.btn[aria-busy='true'] .btn__label::after { content: '…'; }

.cta { display: grid; gap: 0.75rem; justify-items: start; }

/* La acción va sobre el renglón de firma del formulario de la libreta. */
.firma {
  display: grid; justify-items: start; gap: 0.3rem;
  width: 100%;
  padding-bottom: 0.15rem;
}
.firma::after {
  content: ''; order: 1; justify-self: stretch; height: 0;
  border-bottom: 1.5px dotted var(--ink); margin-top: -0.55rem;
}
.firma__label {
  order: 2;
  font-weight: 650; font-stretch: 112%; font-size: 0.72rem;
  letter-spacing: 0.06em; text-transform: uppercase; color: var(--ink-soft);
}

/* ── Tapa: el sello de fábrica de la libreta ───────────────────────────── */

.tapa {
  width: min(100% - 1.25rem, 74rem);
  margin: 0 auto;
  padding: 1.1rem 0.4rem 0.2rem;
  display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 0.2rem 1.5rem;
  color: var(--paper);
}
.marca { margin: 0; display: inline-flex; align-items: center; gap: 0.55rem; }
.marca__icon { width: 2.4rem; height: auto; align-self: center; }
.marca__name { font-weight: 900; font-stretch: 62%; font-size: 1.9rem; line-height: 1; letter-spacing: 0.035em; text-transform: uppercase; }
/* Como en el logo: "MIeL" en verde y con su grafía (la e minúscula), no en mayúsculas. */
.marca__miel { color: #20c49c; text-transform: none; letter-spacing: 0.01em; }
.tapa__aviso { margin: 0; max-width: none; font-size: 0.85rem; line-height: 1.35; color: rgb(248 250 252 / 0.82); }
@media (min-width: 60rem) {
  .tapa { padding: 1.25rem 0.4rem 0; }
  .marca__name { font-size: 2.4rem; }
}

/* Sello NO OFICIAL sobre la esquina del encabezado: confianza antes de pedir nada. */
.form-head-wrap { position: relative; }
.stamp--corner { position: absolute; right: -0.4rem; bottom: -0.9rem; font-size: 1rem; transform: rotate(-9deg); }
.cta__note { margin: 0; font-size: 0.92rem; color: var(--ink-soft); }

/* ── Sellos de goma ─────────────────────────────────────────────────────── */

.stamp {
  --c: var(--stamp);
  display: inline-block;
  padding: 0.18em 0.55em 0.12em;
  border: 2.5px solid var(--c);
  border-radius: 6px;
  box-shadow: inset 0 0 0 2px var(--paper), inset 0 0 0 3.5px var(--c);
  color: var(--c);
  font: 900 1.05rem/1.1 var(--print); font-stretch: 62%;
  letter-spacing: 0.08em; text-transform: uppercase;
  transform: rotate(-7deg);
  filter: url(#ink);
  mix-blend-mode: multiply;
  white-space: nowrap;
}
.stamp--sm { font-size: 0.8rem; border-width: 2px; transform: rotate(-4deg); opacity: 0.9; }
.stamp--red { --c: var(--stamp-red); }
.stamp--big { font-size: 2.6rem; padding: 0.15em 0.45em 0.08em; border-width: 4px; box-shadow: inset 0 0 0 3px var(--paper), inset 0 0 0 5.5px var(--c); }
.stamp--tilt { transform: rotate(9deg); }
.stamp--seal { position: absolute; right: var(--gutter); bottom: calc(var(--line) * 1.1); font-size: 1.5rem; opacity: 0.85; }

/* El sello que cae: visible por defecto; sólo se anima si hay JS y movimiento permitido. */
@media (prefers-reduced-motion: no-preference) {
  .js .stamp--live:not(.is-stamped) { opacity: 0; transform: scale(2.4) rotate(-16deg); filter: url(#ink) blur(2px); }
  .js .stamp--live.is-stamped { animation: stamp 0.55s var(--ease) both; }
  .js .tp__new.is-hit { animation: jolt 0.4s ease-out 0.12s; }
}
@keyframes stamp {
  0%   { opacity: 0; transform: scale(2.4) rotate(-16deg); filter: url(#ink) blur(2px); }
  45%  { opacity: 1; transform: scale(0.94) rotate(-6deg); filter: url(#ink) blur(0); }
  100% { opacity: 1; transform: scale(1) rotate(-7deg); filter: url(#ink); }
}
@keyframes jolt {
  0% { transform: translateY(0); } 30% { transform: translateY(2px); } 100% { transform: translateY(0); }
}

/* ── Portafolio de ejemplo ──────────────────────────────────────────────── */

.tp-wrap { position: relative; padding-top: 2.1rem; }
.stamp--ejemplo { position: absolute; top: 0; right: 0.2rem; font-size: 0.85rem; transform: rotate(4deg); }
.tp { width: 100%; border-collapse: collapse; font-size: 0.95rem; line-height: 1.3; }
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0;
}
.tp th {
  text-align: left; padding: 0.4rem 0.5rem; border-bottom: 1.5px solid var(--ink); white-space: nowrap;
  font-weight: 700; font-stretch: 100%; font-size: 0.76rem; color: var(--ink-soft);
}
.tp td { padding: 0.75rem 0.5rem; border-bottom: 1px solid var(--rule); vertical-align: middle; background: var(--paper); }
.tp th:first-child, .tp td:first-child { padding-left: 0; }
.tp .num { white-space: nowrap; color: var(--ink-soft); }
.tp__new td { background: linear-gradient(to bottom, var(--paper) 18%, var(--hl) 18%, var(--hl) 82%, var(--paper) 82%); font-weight: 650; }
.tp__new .stamp { font-size: 1.15rem; }
.tp td:last-child { width: 1%; text-align: center; }


/* En el escritorio el aviso se ve completo; en el celular, una versión compacta que entra antes del pliegue. */
.aviso__compact { display: none; }

/* En el celular la primera hoja es una sola página que cuenta la historia antes del pliegue:
   encabezado, titular, la fila que recibe el sello, la nota, el aviso compacto y la firma; la bajada después. */
@media (max-width: 59.99rem) {
  .tp__old { display: none; }
  .spread--hero {
    padding: calc(var(--line) * 1.25) var(--gutter) calc(var(--line) * 1.5) calc(var(--margin-x) + 1.1rem);
    background: inherit;
    background-color: var(--paper);
    background-image:
      linear-gradient(to right, transparent var(--margin-x), var(--margin) var(--margin-x), var(--margin) calc(var(--margin-x) + 1.5px), transparent calc(var(--margin-x) + 1.5px)),
      linear-gradient(to bottom, transparent calc(var(--line) - 1px), var(--rule) calc(var(--line) - 1px), var(--rule) var(--line));
    background-size: 100% 100%, 100% var(--line);
    background-position: 0 0, 0 calc(var(--line) * 0.25);
    border-radius: 4px 10px 10px 4px;
  }
  .spread--hero > .page { display: contents; }
  .spread--hero .form-head-wrap { order: 1; }
  .spread--hero h1 { order: 2; margin-top: calc(var(--line) * 0.5); margin-bottom: calc(var(--line) * 0.2); font-size: clamp(2.3rem, 10vw, 3rem); }
  .spread--hero .tp-wrap { order: 3; }
  .spread--hero .note { order: 4; margin: calc(var(--line) * 0.35) 0 0.4rem 2.6rem; font-size: 1.2rem; }
  .spread--hero .aviso { order: 5; transform: rotate(0.8deg); margin-bottom: calc(var(--line) * 0.9); }
  .spread--hero .cta { order: 6; margin-bottom: calc(var(--line) * 1.25); }
  .spread--hero .lede { order: 7; }
  .aviso__compact { display: block; }
  .aviso__full, .aviso__link { display: none; }
  .aviso__from { padding: 0.4rem 0.7rem; }
  .aviso__avatar { width: 1.6rem; height: 1.6rem; font-size: 0.95rem; }
  .aviso__body { padding: 0.5rem 0.75rem 1.2rem; }
  .aviso__body p { margin-bottom: 0.25rem; }
}

.note { position: relative; margin: calc(var(--line) * 0.5) 0 0.5rem 2.6rem; font-size: 1.3rem; line-height: var(--line); }
.note__arrow { position: absolute; left: -2.7rem; top: -1.2rem; width: 2.3rem; height: 2.6rem; color: var(--pen); }

/* ── Aviso de Telegram (ejemplo) ────────────────────────────────────────── */

.aviso {
  margin: 0; max-width: 23rem;
  border-radius: 14px 14px 14px 4px;
  background: #fff; color: #1b1f24;
  font-size: 0.9rem; line-height: 1.38; font-stretch: 100%;
  box-shadow: 0 1px 1px rgb(0 0 0 / 0.12), 0 12px 28px -14px rgb(0 0 0 / 0.5);
  transform: rotate(1.2deg);
  overflow: hidden;
}
.aviso__from {
  display: flex; align-items: center; gap: 0.55rem;
  padding: 0.6rem 0.8rem; background: #f1f4f8; border-bottom: 1px solid #e3e8ef;
}
.aviso__from small { display: block; color: #55606e; font-size: 0.72rem; line-height: 1; }
.aviso__avatar { width: 2rem; height: 2rem; border-radius: 50%; display: block; }
.aviso__ejemplo {
  margin-left: auto; padding: 0.1rem 0.45rem; border: 1.5px solid var(--stamp-red); border-radius: 4px;
  color: var(--stamp-red); font-weight: 800; font-stretch: 70%; font-size: 0.7rem; letter-spacing: 0.08em; text-transform: uppercase;
  transform: rotate(-4deg);
}
.aviso__body { position: relative; padding: 0.7rem 0.85rem 1.4rem; }
.aviso__body p { margin: 0 0 0.6rem; }
.aviso__link { color: #2678b6; }
.aviso__time { position: absolute; right: 0.75rem; bottom: 0.45rem; font-size: 0.72rem; color: #66707c; }

/* ── Cómo funciona ──────────────────────────────────────────────────────── */

.steps { list-style: none; margin: 0; padding: 0; counter-reset: paso; }
.steps li {
  counter-increment: paso; position: relative;
  padding-left: 0.1rem; margin-bottom: var(--line);
  display: grid; gap: 0;
}
.steps li::before {
  content: counter(paso);
  position: absolute; left: calc(-1 * var(--margin-x) + 0.45rem); top: -0.1rem;
  width: 1.65rem; text-align: center;
  font-family: var(--hand); font-weight: 700; font-size: 1.5rem; color: var(--stamp-red);
}
.steps strong { font-size: 1.15rem; font-stretch: 88%; }
.steps span { color: var(--ink-soft); }

.checks { list-style: none; margin: 0 0 var(--line); padding: 0; }
.checks li { position: relative; padding-left: 1.9rem; }
.checks li::before {
  content: ''; position: absolute; left: 0.1rem; top: 0.45rem; width: 1.1rem; height: 0.6rem;
  border-left: 2.5px solid var(--pen); border-bottom: 2.5px solid var(--pen);
  transform: rotate(-48deg); border-radius: 1px;
}
.checks--no li::before {
  border: 0; top: 0.8rem; width: 1rem; height: 2.5px; background: var(--stamp-red);
  transform: rotate(-12deg); border-radius: 2px;
}
.margin-note { font-size: 1.2rem; line-height: var(--line); max-width: 30ch; transform: rotate(-1.5deg); margin-top: calc(var(--line) * 0.5); }

/* ── Formularios ────────────────────────────────────────────────────────── */

.registro, .contacto { display: grid; gap: calc(var(--line) * 0.5); max-width: 28rem; }
.field { display: grid; gap: 0.3rem; margin: 0; padding: 0; border: 0; min-width: 0; }
.field label, .field legend { font-weight: 700; font-size: 0.98rem; padding: 0; }
.field__hint { font-weight: 420; color: var(--ink-soft); }

input, textarea {
  width: 100%;
  font: 400 1.35rem/1.3 var(--hand);
  color: var(--pen);
  padding: 0.45rem 0.7rem;
  background: rgb(255 255 255 / 0.85);
  border: 1.5px solid var(--ink);
  border-radius: 6px;
  transition: border-color 0.15s, box-shadow 0.15s;
}
input[type='password'] { font-family: var(--print); letter-spacing: 0.12em; }
textarea { resize: vertical; min-height: 7rem; font-size: 1.2rem; }
input:hover, textarea:hover { border-color: var(--stamp); }
input:focus-visible, textarea:focus-visible { outline: none; border-color: var(--pen); box-shadow: 0 0 0 3px rgb(36 70 184 / 0.22); }
input[aria-invalid='true'], textarea[aria-invalid='true'] { border-color: var(--stamp-red); box-shadow: 0 0 0 3px rgb(200 49 43 / 0.16); }

.field__pass { position: relative; }
.field__pass input { padding-right: 6.4rem; }
.reveal {
  position: absolute; right: 0.35rem; top: 50%; transform: translateY(-50%);
  display: inline-flex; align-items: center; gap: 0.35rem;
  min-height: 2.4rem; padding: 0 0.6rem; border: 0; border-radius: 5px;
  background: transparent; color: var(--ink-soft); font: 650 0.85rem var(--print); cursor: pointer;
}
.reveal:hover { color: var(--pen); background: var(--hl); }
.reveal svg { width: 1.15rem; height: 1.15rem; fill: none; stroke: currentColor; stroke-width: 2; }

.freq__opts { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0.4rem; margin-top: 0.15rem; }
.freq__opts label { position: relative; }
.freq__opts input { position: absolute; opacity: 0; inset: 0; cursor: pointer; }
.freq__opts span {
  display: grid; place-items: center; min-height: 2.75rem;
  border: 1.5px solid var(--ink); border-radius: 6px; background: rgb(255 255 255 / 0.85);
  font-weight: 650; font-size: 0.98rem; white-space: nowrap; cursor: pointer;
  transition: background-color 0.15s, color 0.15s;
}
.freq__opts input:hover + span { border-color: var(--stamp); color: var(--stamp); }
.freq__opts input:checked + span { background: var(--stamp); border-color: var(--stamp); color: var(--paper); }
.freq__opts input:focus-visible + span { outline: 2.5px solid var(--pen); outline-offset: 2px; }

.form-error { margin: 0; color: var(--stamp-red); font-weight: 650; }
.form-note { margin: 0; font-size: 0.92rem; color: var(--ink-soft); line-height: 1.45; }
.form-ok { margin: 0; font-size: 1.3rem; }
.warn { margin-top: var(--line); font-size: 0.92rem; color: var(--stamp-red); font-weight: 650; }

.listo { display: grid; gap: calc(var(--line) * 0.5); max-width: 28rem; justify-items: start; }
.listo:focus { outline: none; }
.listo .stamp--big { margin: 0.4rem 0 0.6rem; }
.listo p { margin: 0; }

/* ── Datos y preguntas ──────────────────────────────────────────────────── */

.obs { margin: 0; display: grid; gap: calc(var(--line) * 0.5); padding-bottom: calc(var(--line) * 1.5); }
.obs dt { font-weight: 800; font-stretch: 88%; }
.obs dd { margin: 0; color: var(--ink-soft); max-width: 52ch; }

/* Las filas usan los renglones del papel como separadores: cada pregunta ocupa dos renglones exactos. */
.faq summary {
  list-style: none; cursor: pointer; position: relative;
  padding: calc(var(--line) * 0.5) 2rem calc(var(--line) * 0.5) 0; font-weight: 700; line-height: var(--line);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: ''; position: absolute; right: 0.4rem; top: 50%; width: 0.6rem; height: 0.6rem;
  border-right: 2px solid var(--ink); border-bottom: 2px solid var(--ink);
  transform: translateY(-70%) rotate(45deg); transition: transform 0.25s var(--ease);
}
.faq details[open] summary::after { transform: translateY(-30%) rotate(-135deg); }
.faq summary:hover { color: var(--stamp); }
.faq details p { color: var(--ink-soft); margin-bottom: 0.9rem; }

/* ── Colofón ────────────────────────────────────────────────────────────── */

.colofon {
  width: min(100% - 2rem, 74rem);
  margin: calc(var(--line) * 2) auto 0;
  padding: 0 0 calc(var(--line) * 2.5);
  color: rgb(248 250 252 / 0.78);
  font-size: 0.95rem; line-height: 1.5;
  display: grid; justify-items: center; text-align: center; gap: 0.25rem;
}
.colofon p { margin: 0; }
.colofon p:first-of-type { color: var(--paper); font-weight: 600; }
.stamp--paper { --c: var(--paper); mix-blend-mode: normal; box-shadow: inset 0 0 0 2px var(--cover), inset 0 0 0 3.5px var(--c); margin-bottom: 1rem; font-size: 1.1rem; opacity: 0.9; }
.turnstile { display: grid; gap: 0.35rem; }

/* ── Celulares angostos (≤ 380 px) ──────────────────────────────────────── */
/* Los hijos de la hoja no pueden ensanchar la grilla más allá de la pantalla. */
.spread > .page > *, .spread--hero > .page > * { min-width: 0; }

@media (max-width: 23.75rem) {
  :root { --margin-x: 1.75rem; --gutter: 1rem; }
  .page, .spread--hero { padding-left: calc(var(--margin-x) + 0.75rem) !important; }
  /* La fecha de corrección es lo que menos cuenta: el sello y el TP sí. */
  .tp th:nth-child(2), .tp td:nth-child(2) { display: none; }
  .freq__opts { grid-template-columns: repeat(2, 1fr); }
  .stamp--corner { right: 0; }
  .note { margin-left: 2.2rem; }
  .note__arrow { left: -2.3rem; width: 2rem; }
}