/* Páginas legales estáticas (privacidad.html, terminos.html). Viven fuera del
   bundle para que carguen sin la app. Siempre oscuras, con la cuadrícula de
   puntos y el acento del lienzo. La fuente es la de la app, autoalojada
   (Plus Jakarta Sans, OFL) para no llamar a Google Fonts. */
@font-face {
  font-family: 'Plus Jakarta Sans';
  font-weight: 400;
  font-display: swap;
  src: url('/fonts/plus-jakarta-sans-latin-400-normal.woff2') format('woff2');
}
@font-face {
  font-family: 'Plus Jakarta Sans';
  font-weight: 600;
  font-display: swap;
  src: url('/fonts/plus-jakarta-sans-latin-600-normal.woff2') format('woff2');
}
@font-face {
  font-family: 'Plus Jakarta Sans';
  font-weight: 800;
  font-display: swap;
  src: url('/fonts/plus-jakarta-sans-latin-800-normal.woff2') format('woff2');
}

:root {
  color-scheme: dark;
  --bg: #09090b;
  --panel: rgba(20, 20, 23, 0.92);
  --panel-2: rgba(28, 28, 32, 0.95);
  --fg: #ececef;
  --soft: #c4c4cc;
  --muted: #8b8b95;
  --line: rgba(255, 255, 255, 0.09);
  --line-2: rgba(255, 255, 255, 0.16);
  --accent: #ec135b;
  --accent-rgb: 236 19 91;
  --radius: 18px;
  --top: calc(4.25rem + env(safe-area-inset-top));
}

* {
  box-sizing: border-box;
}
html {
  background-color: var(--bg);
  /* Misma cuadrícula de puntos que el lienzo. */
  background-image: radial-gradient(rgba(255, 255, 255, 0.07) 1px, transparent 1px);
  background-size: 22px 22px;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--top) + 1rem);
}
body {
  margin: 0;
  color: var(--fg);
  font:
    16px/1.7 'Plus Jakarta Sans',
    system-ui,
    -apple-system,
    'Segoe UI',
    sans-serif;
  -webkit-font-smoothing: antialiased;
  -webkit-text-size-adjust: 100%;
}
a {
  color: inherit;
}
code {
  font:
    0.85em/1 ui-monospace,
    'SFMono-Regular',
    Consolas,
    monospace;
  padding: 0.15em 0.4em;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--line);
}
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 6px;
}

/* ---------- Barra superior ---------- */
.top {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: calc(0.75rem + env(safe-area-inset-top)) max(1rem, env(safe-area-inset-right)) 0.75rem
    max(1rem, env(safe-area-inset-left));
  background: rgba(9, 9, 11, 0.78);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  border-bottom: 1px solid var(--line);
}
.logo {
  font-weight: 800;
  font-size: 1.35rem;
  letter-spacing: -0.04em;
  text-decoration: none;
  line-height: 1;
  white-space: nowrap;
}
.logo .dot {
  color: var(--accent);
}
.logo .draw {
  color: #a1a1aa;
  font-weight: 600;
}
.switch {
  display: flex;
  gap: 2px;
  margin: 0 auto;
  padding: 3px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--line);
}
.switch a {
  padding: 0.35rem 0.9rem;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--muted);
  text-decoration: none;
  transition:
    color 0.15s,
    background-color 0.15s;
}
.switch a:hover {
  color: var(--fg);
}
.switch a[aria-current='page'] {
  color: #fff;
  background: rgb(var(--accent-rgb) / 0.9);
  box-shadow: 0 4px 16px rgb(var(--accent-rgb) / 0.35);
}
.open-app {
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.45rem 0.9rem;
  border-radius: 999px;
  border: 1px solid var(--line-2);
  text-decoration: none;
  white-space: nowrap;
  transition:
    border-color 0.15s,
    background-color 0.15s;
}
.open-app:hover {
  border-color: rgb(var(--accent-rgb) / 0.7);
  background: rgb(var(--accent-rgb) / 0.08);
}
.progress {
  position: absolute;
  left: 0;
  bottom: -1px;
  height: 2px;
  width: 100%;
  background: var(--accent);
  transform-origin: 0 50%;
  transform: scaleX(var(--read, 0));
}

/* ---------- Cabecera del documento ---------- */
.wrap {
  max-width: 68rem;
  margin: 0 auto;
  padding: 0 max(1rem, env(safe-area-inset-right)) calc(4rem + env(safe-area-inset-bottom))
    max(1rem, env(safe-area-inset-left));
}
.hero {
  padding: 3.5rem 0 2rem;
  max-width: 44rem;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}
.eyebrow::before {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px rgb(var(--accent-rgb) / 0.18);
}
h1 {
  font-size: clamp(2.2rem, 6vw, 3.4rem);
  line-height: 1.05;
  letter-spacing: -0.035em;
  font-weight: 800;
  margin: 0.9rem 0 1rem;
}
.lead {
  font-size: 1.1rem;
  color: var(--soft);
  margin: 0;
}
.facts {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 1.5rem 0 0;
  padding: 0;
  list-style: none;
}
.facts li {
  font-size: 0.8rem;
  color: var(--soft);
  padding: 0.3rem 0.75rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
}
.facts strong {
  color: var(--fg);
  font-weight: 600;
}

/* ---------- «En corto»: tarjetas como nodos del lienzo ---------- */
.summary {
  display: grid;
  /* 4 en fila o 2×2: nunca 3 + 1 huérfana. */
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.9rem;
  margin: 0 0 3rem;
}
.card {
  position: relative;
  display: block;
  padding: 1.1rem 1.15rem 1.15rem;
  border-radius: var(--radius);
  background: var(--panel);
  border: 1px solid var(--line);
  text-decoration: none;
  transition:
    transform 0.2s ease,
    border-color 0.2s ease,
    box-shadow 0.2s ease;
}
.card:hover {
  transform: translateY(-2px);
  border-color: rgb(var(--accent-rgb) / 0.55);
  box-shadow:
    0 0 0 1px rgb(var(--accent-rgb) / 0.25),
    0 14px 34px -14px rgb(var(--accent-rgb) / 0.45);
}
.card svg {
  width: 22px;
  height: 22px;
  color: var(--accent);
}
.card h3 {
  font-size: 0.98rem;
  line-height: 1.35;
  margin: 0.7rem 0 0.35rem;
  letter-spacing: -0.01em;
}
.card p {
  font-size: 0.86rem;
  line-height: 1.55;
  color: var(--muted);
  margin: 0;
}
.card .go {
  position: absolute;
  top: 1rem;
  right: 1rem;
  font-size: 0.75rem;
  color: var(--muted);
  opacity: 0;
  transition: opacity 0.2s;
}
.card:hover .go {
  opacity: 1;
}

/* ---------- Índice + documento ---------- */
.layout {
  display: grid;
  grid-template-columns: 15rem minmax(0, 1fr);
  gap: 2.5rem;
  align-items: start;
}
.toc {
  position: sticky;
  top: calc(var(--top) + 1rem);
  max-height: calc(100dvh - var(--top) - 2rem);
  overflow: auto;
}
.toc summary {
  list-style: none;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
  padding: 0 0 0.6rem;
  cursor: default;
}
.toc summary::-webkit-details-marker {
  display: none;
}
.toc ol {
  list-style: none;
  margin: 0;
  padding: 0;
  border-left: 1px solid var(--line);
}
.toc a {
  display: flex;
  gap: 0.6rem;
  margin-left: -1px;
  padding: 0.38rem 0 0.38rem 0.9rem;
  border-left: 2px solid transparent;
  font-size: 0.86rem;
  line-height: 1.35;
  color: var(--muted);
  text-decoration: none;
  transition:
    color 0.15s,
    border-color 0.15s;
}
.toc a span {
  font-variant-numeric: tabular-nums;
  opacity: 0.6;
}
.toc a:hover {
  color: var(--fg);
}
.toc a[aria-current='true'] {
  color: var(--fg);
  border-left-color: var(--accent);
}

.doc {
  container-type: inline-size;
  border-radius: 22px;
  background: var(--panel);
  border: 1px solid var(--line);
  padding: 0.5rem clamp(1.15rem, 4vw, 2.5rem) 2rem;
}
.doc section {
  padding: 1.75rem 0 0.25rem;
}
.doc section + section {
  border-top: 1px solid var(--line);
}
.doc h2 {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  font-size: 1.3rem;
  line-height: 1.3;
  letter-spacing: -0.02em;
  margin: 0 0 0.75rem;
}
.num {
  flex: none;
  display: inline-grid;
  place-items: center;
  min-width: 1.9rem;
  height: 1.9rem;
  border-radius: 9px;
  font-size: 0.8rem;
  font-variant-numeric: tabular-nums;
  color: var(--accent);
  background: rgb(var(--accent-rgb) / 0.1);
  border: 1px solid rgb(var(--accent-rgb) / 0.3);
  transform: translateY(-0.15rem);
}
.anchor {
  margin-left: auto;
  align-self: center;
  padding: 0.2rem 0.45rem;
  border: 0;
  border-radius: 7px;
  background: transparent;
  color: var(--muted);
  font: inherit;
  font-size: 0.85rem;
  cursor: pointer;
  opacity: 0;
  transition:
    opacity 0.15s,
    background-color 0.15s;
}
.doc h2:hover .anchor,
.anchor:focus-visible {
  opacity: 1;
}
.anchor:hover {
  color: var(--fg);
  background: rgba(255, 255, 255, 0.07);
}
.doc p,
.doc li {
  color: var(--soft);
}
.doc p {
  margin: 0 0 1rem;
}
.doc strong {
  color: var(--fg);
  font-weight: 600;
}
.doc a {
  color: var(--fg);
  text-decoration-color: rgb(var(--accent-rgb) / 0.7);
  text-underline-offset: 3px;
}
.doc a:hover {
  color: var(--accent);
}
.doc ul {
  margin: 0 0 1rem;
  padding: 0;
  list-style: none;
}
.doc li {
  position: relative;
  padding-left: 1.4rem;
}
.doc li + li {
  margin-top: 0.5rem;
}
.doc li::before {
  content: '';
  position: absolute;
  left: 0.3rem;
  top: 0.72em;
  width: 6px;
  height: 6px;
  border-radius: 2px;
  background: rgb(var(--accent-rgb) / 0.75);
}

/* Bloques destacados dentro del texto. */
.note {
  margin: 0 0 1rem;
  padding: 0.9rem 1rem;
  border-radius: 14px;
  border: 1px solid rgb(var(--accent-rgb) / 0.3);
  background: rgb(var(--accent-rgb) / 0.07);
  color: var(--fg);
}
.split {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(13rem, 1fr));
  gap: 0.75rem;
  margin: 0 0 1rem;
}
.split > div {
  padding: 0.9rem 1rem;
  border-radius: 14px;
  background: var(--panel-2);
  border: 1px solid var(--line);
}
.split h3 {
  margin: 0 0 0.35rem;
  font-size: 0.9rem;
}
.split p {
  margin: 0;
  font-size: 0.9rem;
}
.arco {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.6rem;
  margin: 0 0 1rem;
}
.arco div {
  padding: 0.8rem 0.9rem;
  border-radius: 14px;
  background: var(--panel-2);
  border: 1px solid var(--line);
  font-size: 0.86rem;
  color: var(--soft);
  line-height: 1.45;
}
.arco b {
  display: block;
  font-size: 1.6rem;
  line-height: 1;
  font-weight: 800;
  color: var(--accent);
  margin-bottom: 0.35rem;
}
.arco strong {
  display: block;
  color: var(--fg);
}

@container (min-width: 36rem) {
  .arco {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

/* ---------- Contacto y pie ---------- */
.contact {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 1.5rem;
  padding: 1.25rem 1.4rem;
  border-radius: var(--radius);
  background: var(--panel-2);
  border: 1px solid var(--line-2);
}
.contact h2 {
  font-size: 1.05rem;
  margin: 0 0 0.2rem;
}
.contact p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--muted);
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.65rem 1.1rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.9rem;
  color: #fff;
  text-decoration: none;
  background: var(--accent);
  box-shadow: 0 8px 24px -8px rgb(var(--accent-rgb) / 0.7);
  transition: transform 0.15s;
}
.btn:hover {
  transform: translateY(-1px);
}
.foot {
  margin-top: 2.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
  font-size: 0.85rem;
  color: var(--muted);
}
.foot a {
  color: var(--soft);
  text-decoration: none;
}
.foot a:hover {
  color: var(--accent);
}

/* Aviso flotante de «Enlace copiado». */
.toast {
  position: fixed;
  left: 50%;
  bottom: calc(1.25rem + env(safe-area-inset-bottom));
  z-index: 30;
  padding: 0.55rem 1rem;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 600;
  background: #f4f4f5;
  color: #09090b;
  transform: translate(-50%, 1rem);
  opacity: 0;
  pointer-events: none;
  transition:
    opacity 0.2s,
    transform 0.2s;
}
.toast.show {
  opacity: 1;
  transform: translate(-50%, 0);
}

/* ---------- Entrada animada ---------- */
@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
}
.hero,
.card,
.layout {
  animation: rise 0.6s cubic-bezier(0.2, 0.7, 0.2, 1) both;
}
.card:nth-child(1) {
  animation-delay: 0.08s;
}
.card:nth-child(2) {
  animation-delay: 0.14s;
}
.card:nth-child(3) {
  animation-delay: 0.2s;
}
.card:nth-child(4) {
  animation-delay: 0.26s;
}
.layout {
  animation-delay: 0.3s;
}

/* ---------- Móvil ---------- */
@media (max-width: 960px) {
  .summary {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
@media (max-width: 860px) {
  .layout {
    grid-template-columns: minmax(0, 1fr);
    gap: 1rem;
  }
  .toc {
    position: static;
    max-height: none;
    padding: 0.85rem 1rem;
    border-radius: var(--radius);
    background: var(--panel);
    border: 1px solid var(--line);
  }
  .toc summary {
    padding: 0;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
  }
  .toc summary::after {
    content: '+';
    font-size: 1rem;
    line-height: 1;
  }
  .toc[open] summary::after {
    content: '−';
  }
  .toc[open] summary {
    padding-bottom: 0.6rem;
  }
  .anchor {
    opacity: 1;
  }
}
@media (max-width: 560px) {
  .summary {
    grid-template-columns: minmax(0, 1fr);
    gap: 0.6rem;
  }
  /* En móvil las tarjetas van en horizontal: icono a la izquierda. */
  .card {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    column-gap: 0.85rem;
    padding: 0.9rem 1rem;
  }
  .card svg {
    grid-row: span 2;
    margin-top: 0.15rem;
  }
  .card h3 {
    margin: 0 0 0.15rem;
  }
  .open-app {
    display: none;
  }
  .switch {
    margin-right: 0;
  }
  .hero {
    padding-top: 2.25rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}