/* Tentickle AR — sitio de soporte y legales
   Sin dependencias externas: ninguna fuente, script o recurso de terceros.
   La página no realiza ninguna solicitud fuera de este dominio. */

:root {
  --paper: #faf9f7;
  --paper-2: #f2f0ec;
  --ink: #14130f;
  --ink-2: #4a4741;
  --muted: #837e75;
  --line: #e2ded7;
  --sand: #a8895c;
  --sand-soft: #efe6d8;

  --serif: ui-serif, Georgia, "Iowan Old Style", "Times New Roman", serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

  --measure: 34rem;
  --gutter: clamp(1.25rem, 5vw, 3rem);
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper: #121110;
    --paper-2: #1b1917;
    --ink: #f2efea;
    --ink-2: #c5bfb5;
    --muted: #8f887e;
    --line: #2c2926;
    --sand: #c9ae83;
    --sand-soft: #2a241b;
  }
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 1.0625rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

/* ---------- estructura ---------- */

.wrap {
  width: 100%;
  max-width: 62rem;
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.prose {
  max-width: var(--measure);
}

/* páginas de documento (legales, soporte): columna centrada */
.doc .prose {
  margin-inline: auto;
}

/* ---------- cabecera ---------- */

.site-header {
  border-bottom: 1px solid var(--line);
  background: var(--paper);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
  padding-block: 1.25rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}

.brand img {
  display: block;
  height: 56px;
  width: auto;
  mix-blend-mode: multiply;
}

@media (prefers-color-scheme: dark) {
  .brand img {
    mix-blend-mode: normal;
    filter: invert(1) brightness(1.08);
  }
}

.nav {
  display: flex;
  gap: 1.75rem;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
}

.nav a {
  color: var(--ink-2);
  text-decoration: none;
  padding-block: 0.25rem;
  border-bottom: 1px solid transparent;
  transition: color 0.15s ease, border-color 0.15s ease;
}

.nav a:hover,
.nav a[aria-current="page"] {
  color: var(--ink);
  border-bottom-color: var(--sand);
}

/* selector de idioma */
.lang {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  padding-left: 1.6rem;
  border-left: 1px solid var(--line);
}

.lang a {
  color: var(--muted);
  border-bottom: 1px solid transparent;
}

.lang a[aria-current="true"] {
  color: var(--ink);
  font-weight: 650;
  border-bottom-color: var(--sand);
}

@media (max-width: 30rem) {
  .nav {
    gap: 1.1rem;
  }

  .lang {
    padding-left: 0.9rem;
  }
}

/* ---------- tipografía ---------- */

.eyebrow {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  color: var(--sand);
  margin: 0 0 1rem;
  font-weight: 600;
}

h1 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(2rem, 5.5vw, 3.15rem);
  line-height: 1.12;
  letter-spacing: -0.015em;
  margin: 0 0 1rem;
}

h2 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(1.35rem, 3vw, 1.7rem);
  line-height: 1.25;
  margin: 3rem 0 0.85rem;
  letter-spacing: -0.01em;
}

h3 {
  font-size: 0.98rem;
  font-weight: 650;
  margin: 2rem 0 0.5rem;
  letter-spacing: 0.005em;
}

p {
  margin: 0 0 1.15rem;
  color: var(--ink-2);
}

.lead {
  font-size: 1.2rem;
  line-height: 1.55;
  color: var(--ink-2);
  max-width: 38rem;
}

a {
  color: var(--ink);
  text-decoration-color: var(--sand);
  text-underline-offset: 0.2em;
  text-decoration-thickness: 1px;
}

a:hover {
  color: var(--sand);
}

strong {
  color: var(--ink);
  font-weight: 650;
}

ul,
ol {
  margin: 0 0 1.15rem;
  padding-left: 1.15rem;
  color: var(--ink-2);
}

li {
  margin-bottom: 0.5rem;
}

li::marker {
  color: var(--sand);
}

hr {
  border: 0;
  border-top: 1px solid var(--line);
  margin: 3.5rem 0;
}

/* la regla graduada del logotipo */
.rule {
  display: flex;
  gap: 6px;
  margin: 2rem 0;
}

.rule span {
  height: 3px;
  width: 46px;
  background: var(--ink);
}

.rule span:nth-child(2) {
  opacity: 0.55;
}

.rule span:nth-child(3) {
  opacity: 0.28;
}

/* ---------- portada ---------- */

.hero {
  padding-block: clamp(3.5rem, 10vw, 6.5rem) clamp(2.5rem, 7vw, 4.5rem);
}

.hero .lead {
  margin-bottom: 2rem;
}

.meta {
  font-size: 0.8rem;
  color: var(--muted);
  letter-spacing: 0.02em;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  margin: 2.5rem 0;
}

.grid > div {
  background: var(--paper);
  padding: 1.6rem 1.5rem;
}

.grid h3 {
  margin-top: 0;
}

.grid p {
  margin-bottom: 0;
  font-size: 0.95rem;
}

/* ---------- bloques destacados ---------- */

.callout {
  background: var(--sand-soft);
  border-left: 2px solid var(--sand);
  padding: 1.25rem 1.5rem;
  margin: 2rem 0;
}

.callout p:last-child {
  margin-bottom: 0;
}

.callout p {
  color: var(--ink-2);
}

/* ---------- tablas ---------- */

.table-scroll {
  overflow-x: auto;
  margin: 1.5rem 0;
  border: 1px solid var(--line);
}

table {
  border-collapse: collapse;
  width: 100%;
  min-width: 30rem;
  font-size: 0.94rem;
}

/* en pantallas anchas la tabla se ensancha más allá de la columna de lectura */
@media (min-width: 60rem) {
  .doc .table-scroll {
    margin-inline: -5rem;
  }
}

th,
td {
  text-align: left;
  padding: 0.8rem 1rem;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
  color: var(--ink-2);
}

th {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--ink);
  background: var(--paper-2);
  font-weight: 600;
}

tr:last-child td {
  border-bottom: 0;
}

/* ---------- índice del documento ---------- */

.toc {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 1.5rem 0;
  margin: 2.5rem 0 0;
}

.toc ol {
  columns: 2;
  column-gap: 2.5rem;
  padding-left: 1.1rem;
  margin: 0;
  font-size: 0.92rem;
}

.toc li {
  break-inside: avoid;
  margin-bottom: 0.35rem;
}

@media (max-width: 34rem) {
  .toc ol {
    columns: 1;
  }
}

/* ---------- pie ---------- */

.site-footer {
  border-top: 1px solid var(--line);
  margin-top: 5rem;
  padding-block: 2.5rem 3.5rem;
  font-size: 0.85rem;
  color: var(--muted);
}

.site-footer .wrap {
  display: flex;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.site-footer a {
  color: var(--muted);
}

.site-footer a:hover {
  color: var(--ink);
}

.tagline {
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.24em;
  color: var(--muted);
}

/* ---------- accesibilidad ---------- */

:focus-visible {
  outline: 2px solid var(--sand);
  outline-offset: 3px;
}

.skip {
  position: absolute;
  left: -9999px;
}

.skip:focus {
  left: var(--gutter);
  top: 0.5rem;
  z-index: 10;
  background: var(--ink);
  color: var(--paper);
  padding: 0.5rem 1rem;
}

@media print {
  .site-header,
  .site-footer,
  .toc {
    display: none;
  }

  body {
    background: #fff;
    color: #000;
    font-size: 11pt;
  }
}