/* Kiosko — sitio web. Sin fuentes ni librerías externas: carga rápido incluso con datos móviles lentos. */
:root {
  --bg: #ffffff;
  --surface: #f5f6f8;
  --ink: #1c2128;
  --muted: #5b6471;
  --line: #e3e6eb;
  --brand: #e67e22;
  /* naranja del logo */
  --brand-ink: #1c1206;
  /* texto sobre el naranja (contraste AA) */
  --link: #b45309;
  --radius: 14px;
  --font: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14171b;
    --surface: #1b1f25;
    --ink: #eceff3;
    --muted: #a3abb7;
    --line: #2a2f38;
    --link: #f2a35e;
  }
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 84px;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.6;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  * {
    transition: none !important;
  }
}

img,
video {
  max-width: 100%;
  display: block;
}

a {
  color: var(--link);
}

a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 3px solid var(--link);
  outline-offset: 3px;
  border-radius: 6px;
}

.wrap {
  width: min(1040px, 100% - 40px);
  margin-inline: auto;
}

[hidden] {
  display: none !important;
}

/* ---------- Cabecera ---------- */
.top {
  position: sticky;
  top: 0;
  z-index: 20;
  background: var(--bg);
  border-bottom: 1px solid var(--line);
}

.top .wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 22px;
  padding: 10px 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--ink);
  font-weight: 750;
  font-size: 1.15rem;
  letter-spacing: -.01em;
}

.brand img {
  width: 34px;
  height: 34px;
}

.top nav {
  display: flex;
  gap: 20px;
  overflow-x: auto;
  white-space: nowrap;
}

.top nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: .95rem;
  padding: 6px 0;
}

.top nav a:hover {
  color: var(--ink);
}

.top .btn {
  margin-left: auto;
}

@media (max-width: 720px) {
  .top nav {
    order: 3;
    width: 100%;
    gap: 18px;
  }
}

/* ---------- Botones ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: 999px;
  font: inherit;
  font-weight: 650;
  font-size: .95rem;
  text-decoration: none;
  cursor: pointer;
  border: 1.5px solid transparent;
  background: var(--brand);
  color: var(--brand-ink);
  transition: filter .15s, background .15s;
}

.btn:hover {
  filter: brightness(1.07);
}

.btn.big {
  padding: 15px 28px;
  font-size: 1.1rem;
}

.btn.ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--line);
}

.btn.ghost:hover {
  background: var(--surface);
  filter: none;
}

/* ---------- Portada ---------- */
.hero {
  padding: 64px 0 56px;
}

.hero .wrap {
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 56px;
  align-items: center;
}

.hero h1 {
  font-size: clamp(2.1rem, 5.2vw, 3.3rem);
  line-height: 1.08;
  letter-spacing: -.025em;
  margin: 0 0 18px;
  font-weight: 780;
}

.hero p.lead {
  font-size: 1.2rem;
  color: var(--muted);
  max-width: 34em;
  margin: 0 0 28px;
}

.hero .actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.hero .small {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: .92rem;
}

@media (max-width: 820px) {
  .hero .wrap {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .hero {
    padding-top: 40px;
  }
}

/* ---------- Secciones ---------- */
section {
  padding: 64px 0;
}

section.band {
  background: var(--surface);
}

h2.title {
  font-size: clamp(1.6rem, 3.4vw, 2.1rem);
  line-height: 1.15;
  letter-spacing: -.02em;
  margin: 0 0 12px;
  font-weight: 760;
}

p.sub {
  color: var(--muted);
  max-width: 40em;
  margin: 0 0 32px;
}

.features {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0 48px;
}

.features div {
  border-top: 1.5px solid var(--ink);
  padding: 16px 0 28px;
}

.features h3 {
  margin: 0 0 6px;
  font-size: 1.1rem;
}

.features p {
  margin: 0;
  color: var(--muted);
}

@media (max-width: 720px) {
  .features {
    grid-template-columns: 1fr;
  }
}

/* ---------- Descarga ---------- */
.dl {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}

.dl ol {
  margin: 0;
  padding-left: 1.2em;
}

.dl li {
  margin-bottom: 10px;
}

.dl .meta {
  color: var(--muted);
  font-size: .92rem;
  margin: 14px 0 0;
}

@media (max-width: 820px) {
  .dl {
    grid-template-columns: 1fr;
    gap: 28px;
  }
}

/* ---------- Listas de tutoriales y ejemplos ---------- */
.group {
  margin: 34px 0 8px;
  font-size: 1rem;
  font-weight: 700;
  color: var(--muted);
}

.rows {
  border-top: 1px solid var(--line);
}

.row {
  display: grid;
  grid-template-columns: 36px 1fr auto;
  gap: 14px;
  align-items: center;
  padding: 16px 6px;
  border-bottom: 1px solid var(--line);
  text-decoration: none;
  color: var(--ink);
}

.row.plain {
  grid-template-columns: 1fr auto;
}

a.row:hover {
  background: var(--surface);
}

.row .n {
  color: var(--muted);
  font-variant-numeric: tabular-nums;
  font-weight: 650;
}

.row b {
  display: block;
  font-size: 1.05rem;
}

.row span.d {
  color: var(--muted);
  font-size: .95rem;
}

.row .go {
  color: var(--link);
  font-size: 1.4rem;
  line-height: 1;
}

@media (max-width: 560px) {
  .row.plain {
    grid-template-columns: 1fr;
  }
}

/* ---------- Novedades ---------- */
.news {
  max-width: 720px;
}

.news details {
  border-top: 1px solid var(--line);
  padding: 4px 0;
}

.news details:last-child {
  border-bottom: 1px solid var(--line);
}

.news summary {
  cursor: pointer;
  font-weight: 700;
  font-size: 1.1rem;
  padding: 14px 0;
  list-style-position: inside;
}

.news .tag {
  font-weight: 600;
  font-size: .8rem;
  background: var(--brand);
  color: var(--brand-ink);
  padding: 2px 9px;
  border-radius: 999px;
  margin-left: 8px;
  vertical-align: 2px;
}

.news .body {
  padding: 0 0 14px 4px;
}

.news .body p {
  margin: 0 0 12px;
}

.news .body ul {
  margin: 0 0 12px;
  padding-left: 1.2em;
}

/* ---------- Contacto y pie ---------- */
.contact .actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

footer {
  border-top: 1px solid var(--line);
  padding: 28px 0 40px;
  color: var(--muted);
  font-size: .92rem;
}

footer .wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 28px;
  justify-content: space-between;
}

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

/* ---------- Página de tutorial ---------- */
.doc {
  width: min(720px, 100% - 40px);
  margin: 0 auto;
  padding: 36px 0 24px;
}

.crumb {
  font-size: .95rem;
  margin-bottom: 18px;
}

.crumb a {
  text-decoration: none;
}

.doc h1 {
  font-size: clamp(1.9rem, 4.4vw, 2.5rem);
  line-height: 1.12;
  letter-spacing: -.02em;
  margin: 0 0 14px;
  font-weight: 780;
}

.doc .intro {
  font-size: 1.15rem;
  color: var(--muted);
  margin: 0 0 24px;
}

.doc h2 {
  font-size: 1.5rem;
  line-height: 1.2;
  letter-spacing: -.01em;
  margin: 2.4rem 0 .6rem;
}

.doc h3 {
  font-size: 1.15rem;
  margin: 1.8rem 0 .4rem;
}

.doc p,
.doc ul,
.doc ol {
  margin: 0 0 1rem;
}

.doc li {
  margin-bottom: .45rem;
}

.toc {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 14px 20px;
  margin: 0 0 8px;
}

.toc b {
  display: block;
  margin-bottom: 4px;
}

.toc ul {
  margin: 0;
  padding-left: 1.1em;
}

.toc li {
  margin: 0;
}

.note {
  border-left: 3px solid var(--brand);
  background: var(--surface);
  padding: 12px 16px;
  border-radius: 0 var(--radius) var(--radius) 0;
  margin: 0 0 1.2rem;
}

.legend {
  list-style: none;
  padding: 0 !important;
}

.legend li {
  display: flex;
  gap: 10px;
  align-items: baseline;
}

.legend i {
  flex: none;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  transform: translateY(1px);
}

/* Espacios para imágenes y videos (se rellenan al subir el archivo con el nombre indicado) */
.media {
  margin: 1.4rem auto;
  width: min(100%, 290px);
}

.media.wide {
  width: 100%;
}

.media figcaption {
  margin-top: 8px;
  text-align: center;
  font-size: .9rem;
  color: var(--muted);
}

.media .ph {
  aspect-ratio: 9 / 16;
  display: grid;
  place-content: center;
  text-align: center;
  gap: 4px;
  padding: 12px;
  border: 2px dashed var(--line);
  border-radius: 18px;
  color: var(--muted);
  font-size: .9rem;
  background: var(--surface);
}

.media.wide .ph {
  aspect-ratio: 16 / 9;
}

.media .ph code {
  font-size: 1rem;
  color: var(--ink);
}

.media img,
.media video {
  width: 100%;
  height: auto;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: var(--surface);
}

.media {
  position: relative;
}

/* Mientras el archivo no exista/cargue, se deja casi invisible (no con display:none, para que la carga diferida funcione) */
.media:not(.ok) img,
.media:not(.ok) video {
  position: absolute;
  left: 0;
  top: 0;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
  border: 0;
}

.media.ok .ph {
  display: none;
}

.phone {
  width: min(100%, 300px);
  margin-inline: auto;
}

.phone .ph {
  aspect-ratio: 9 / 19;
  border-radius: 30px;
}

.phone img {
  border-radius: 30px;
}

.pager {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin: 44px 0 0;
}

.pager a {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px 16px;
  text-decoration: none;
  color: var(--ink);
}

.pager a:hover {
  background: var(--surface);
}

.pager small {
  display: block;
  color: var(--muted);
}

.pager .next {
  text-align: right;
  grid-column: 2;
}

.help {
  margin: 40px 0 0;
  padding: 22px;
  border-radius: var(--radius);
  background: var(--surface);
}

.help p {
  margin: 0 0 12px;
}

.help .actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}