/* Estilos de cloud.zetit.es (portada y páginas legales). */
/* Zet-IT Cloud. Identidad oficial de Zet-IT (brand/DESIGN.md y zetit-tokens.css de la skill zetit-design-guide).
   Sin scripts ni recursos externos. Fuentes autoalojadas en /fuentes (OFL), font-display: swap.
   Ritmo: portada marina, franja de claves, publicar (lista), funciones (bento), seguridad (banda marina),
   planes (columnas de precio + tabla plegable), cierre marino. */
@font-face { font-family: "Archivo"; font-style: normal; font-weight: 600; font-display: swap; src: url("/fuentes/archivo-latin-600-normal.woff2") format("woff2"); }
@font-face { font-family: "Archivo"; font-style: normal; font-weight: 700; font-display: swap; src: url("/fuentes/archivo-latin-700-normal.woff2") format("woff2"); }
@font-face { font-family: "IBM Plex Sans"; font-style: normal; font-weight: 400; font-display: swap; src: url("/fuentes/ibm-plex-sans-latin-400-normal.woff2") format("woff2"); }
@font-face { font-family: "IBM Plex Sans"; font-style: normal; font-weight: 600; font-display: swap; src: url("/fuentes/ibm-plex-sans-latin-600-normal.woff2") format("woff2"); }
@font-face { font-family: "IBM Plex Mono"; font-style: normal; font-weight: 400; font-display: swap; src: url("/fuentes/ibm-plex-mono-latin-400-normal.woff2") format("woff2"); }
@font-face { font-family: "IBM Plex Mono"; font-style: normal; font-weight: 600; font-display: swap; src: url("/fuentes/ibm-plex-mono-latin-600-normal.woff2") format("woff2"); }

/* ---------- Tokens de marca ---------- */
:root {
  color-scheme: light;
  --zt-navy: #0a1f34;
  --zt-navy-logo: #0d2843;
  --zt-blue: #1c4d7d;
  --zt-blue-strong: #163d63;
  --zt-sky: #c4dff4;
  --zt-sun: #f2c14e;
  --zt-sun-ink: #7a5b00;
  --zt-white: #ffffff; /* blanco de marca (DESIGN.md) */

  --font-display: "Archivo", "Segoe UI", system-ui, sans-serif;
  --font-sans: "IBM Plex Sans", "Segoe UI", system-ui, -apple-system, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, "Cascadia Mono", monospace;

  --bg-base: #f3f6fa;
  --bg-surface: #e9eff6;
  --bg-card: var(--zt-white);
  --bg-card-hover: #f7f9fc;
  --fg-rgb: 10, 31, 52;
  --text: #0a1f34;
  --text-muted: #5f7189;
  --accent: var(--zt-blue);
  --accent-strong: var(--zt-blue-strong);
  --accent-rgb: 28, 77, 125;
  --on-accent: var(--zt-white);
  --sun: var(--zt-sun);
  --sun-ink: var(--zt-sun-ink);
  --on-sun: var(--zt-navy);
  --rule: #c5d0dc;
  --rule-soft: #d9e1ea;
  --border: rgba(var(--fg-rgb), .09);
  --border-accent: rgba(var(--accent-rgb), .32);
  --zebra: #f4f5f7;
  /* bandas marinas */
  --band: var(--zt-navy);
  --band-deep: #081a2c;

  --radius-sm: 0;
  --radius: 2px;
  --radius-lg: 3px;
  --shadow-hover: 0 6px 18px rgb(10 31 52 / .25);
  --dur-fast: .18s;
  --dur-base: .35s;
  --ease-out-expo: cubic-bezier(.16, 1, .3, 1);

  --gutter: 16px;
  --max: 1200px;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --bg-base: #0a1f34;
    --bg-surface: #0d2843;
    --bg-card: #14304d;
    --bg-card-hover: #17395c;
    --fg-rgb: 255, 255, 255;
    --text: var(--zt-white);
    --text-muted: #a6b6c9;
    --accent: var(--zt-sky);
    --accent-strong: #a8cded;
    --accent-rgb: 196, 223, 244;
    --on-accent: var(--zt-navy);
    --sun-ink: var(--zt-sun);
    --rule: #4a5567;
    --rule-soft: #2b4560;
    --zebra: #102b46;
    --band: #0d2843;
    --band-deep: #071827;
    --shadow-hover: 0 6px 18px rgb(3 10 18 / .45);
  }
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --bg-base: #0a1f34;
  --bg-surface: #0d2843;
  --bg-card: #14304d;
  --bg-card-hover: #17395c;
  --fg-rgb: 255, 255, 255;
  --text: var(--zt-white);
  --text-muted: #a6b6c9;
  --accent: var(--zt-sky);
  --accent-strong: #a8cded;
  --accent-rgb: 196, 223, 244;
  --on-accent: var(--zt-navy);
  --sun-ink: var(--zt-sun);
  --rule: #4a5567;
  --rule-soft: #2b4560;
  --zebra: #102b46;
  --band: #0d2843;
  --band-deep: #071827;
  --shadow-hover: 0 6px 18px rgb(3 10 18 / .45);
}
@media (min-width: 768px) { :root { --gutter: 32px; } }

/* Las bandas marinas fijan su propia paleta (igual en claro y en oscuro) */
.marino {
  --text: var(--zt-white);
  --text-muted: #a6b6c9;
  --accent: var(--zt-sky);
  --accent-strong: #a8cded;
  --accent-rgb: 196, 223, 244;
  --on-accent: var(--zt-navy);
  --border: rgba(255, 255, 255, .14);
  --border-accent: rgba(196, 223, 244, .4);
  --sun-ink: var(--zt-sun);
  background: var(--band);
  color: var(--text);
}

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg-base);
  color: var(--text);
  font: 400 1rem/1.6 var(--font-sans);
  overflow-x: clip;
  text-rendering: optimizeLegibility;
}
h1, h2, h3 { font-family: var(--font-display); font-weight: 700; letter-spacing: -0.015em; margin: 0; text-wrap: balance; }
p { margin: 0; }
code, .mono { font-family: var(--font-mono); font-size: .92em; }
img, svg { display: block; max-width: 100%; }
a { color: var(--accent); text-underline-offset: 3px; }
a:hover { color: var(--accent-strong); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: var(--radius); }
.marino :focus-visible { outline-color: var(--zt-sun); }
.contenido { width: 100%; max-width: var(--max); margin-inline: auto; padding-inline: var(--gutter); }

.salto {
  position: absolute; left: var(--gutter); top: -100px; z-index: 30;
  background: var(--zt-sun); color: var(--on-sun); padding: 10px 14px; border-radius: var(--radius);
  font-weight: 600; text-decoration: none;
}
.salto:focus { top: 12px; }

/* ---------- Botones ---------- */
.boton {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 44px; padding: 10px 20px;
  border: 1px solid transparent; border-radius: var(--radius);
  font: 600 .95rem/1.2 var(--font-sans); text-decoration: none; white-space: nowrap;
  cursor: pointer;
  transition: transform var(--dur-fast) var(--ease-out-expo), box-shadow var(--dur-fast) var(--ease-out-expo), background-color var(--dur-fast) ease, color var(--dur-fast) ease, opacity var(--dur-fast) ease;
}
.boton:active { transform: translateY(0); }
.boton.primario { background: var(--accent); color: var(--on-accent); }
.boton.primario:hover { background: var(--accent-strong); color: var(--on-accent); transform: translateY(-1px); box-shadow: var(--shadow-hover); }
.boton.sol { background: var(--zt-sun); color: var(--on-sun); }
.boton.sol:hover { color: var(--on-sun); opacity: .9; transform: translateY(-1px); }
.boton.linea { border-color: var(--border-accent); color: var(--accent); background: transparent; }
.boton.linea:hover { background: rgba(var(--accent-rgb), .08); color: var(--accent); }

/* ---------- Cabecera ---------- */
.cabecera { position: relative; z-index: 10; border-bottom: 1px solid var(--border); }
.cabecera .contenido { display: flex; align-items: center; gap: 24px; min-height: 68px; }
.marca { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; color: var(--text); margin-right: auto; }
.marca img { width: 108px; height: auto; }
.marca span { font: 600 .72rem/1 var(--font-display); letter-spacing: .2em; color: var(--zt-sun); padding-top: 3px; }
.enlaces { display: flex; gap: 28px; }
.enlaces a { color: var(--text-muted); text-decoration: none; font-size: .95rem; }
.enlaces a:hover { color: var(--text); }
.cuenta { display: flex; align-items: center; gap: 8px; }
.cuenta .acceder { color: var(--text); text-decoration: none; font-weight: 600; font-size: .95rem; padding: 10px 12px; }
.cuenta .acceder:hover { color: var(--accent); }
@media (max-width: 860px) { .enlaces { display: none; } }
@media (max-width: 480px) {
  .cabecera .contenido { gap: 4px; }
  .marca { gap: 8px; }
  .marca img { width: 84px; }
  .marca span { letter-spacing: .14em; }
  .cuenta { gap: 4px; }
  .cuenta .acceder { padding-inline: 10px; }
  .cuenta .boton { padding-inline: 14px; }
  .cuenta .largo { display: none; }
}

/* ---------- Portada ---------- */
.portada { position: relative; overflow: hidden; }
.portada .contenido {
  position: relative; z-index: 1;
  display: grid; grid-template-columns: minmax(0, 1fr); align-items: center;
  padding-block: 56px 64px;
}
.etiqueta { display: inline-block; font: 600 .72rem/1.4 var(--font-display); letter-spacing: .2em; text-transform: uppercase; color: var(--zt-sun); margin-bottom: 20px; }
.portada h1 { font-size: clamp(2.1rem, 1.2rem + 3vw, 3.6rem); line-height: 1.05; letter-spacing: -0.025em; max-width: 21ch; }
.portada h1 em { font-style: normal; color: var(--zt-sky); }
.portada .sub { margin-top: 20px; font-size: clamp(1.05rem, .98rem + .3vw, 1.2rem); color: rgba(255, 255, 255, .85); max-width: 44ch; }
.portada .acciones { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.diagonales { position: absolute; inset: 0 0 0 auto; width: min(36vw, 520px); z-index: 0; pointer-events: none; }
.diagonales svg { width: 100%; height: 100%; }
@media (min-width: 900px) {
  .portada .contenido { padding-block: 96px 104px; }
}
@media (max-width: 899px) {
  .diagonales { width: 70vw; opacity: .35; }
  .diagonales .chispa { display: none; }
}

/* ---------- Franja de claves ---------- */
.claves { border-bottom: 1px solid var(--rule-soft); }
.claves dl { margin: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); }
.claves dl > div { padding: 28px 24px 28px 20px; border-left: 1px solid var(--rule-soft); }
.claves dl > div:first-child { border-left: 0; padding-left: 0; }
.claves dt { font: 700 1.05rem/1.3 var(--font-display); }
.claves dd { margin: 6px 0 0; color: var(--text-muted); font-size: .93rem; line-height: 1.5; }
@media (max-width: 900px) {
  .claves dl { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .claves dl > div { padding: 22px 16px 22px 0; border-left: 0; border-top: 1px solid var(--rule-soft); }
  .claves dl > div:nth-child(-n+2) { border-top: 0; }
  .claves dl > div:nth-child(even) { padding-left: 16px; border-left: 1px solid var(--rule-soft); }
}
@media (max-width: 340px) {
  .claves dl { grid-template-columns: minmax(0, 1fr); }
  .claves dl > div, .claves dl > div:nth-child(even) { padding: 18px 0; border-left: 0; border-top: 1px solid var(--rule-soft); }
  .claves dl > div:first-child { border-top: 0; }
}

/* ---------- Secciones ---------- */
.seccion { padding-block: 64px; }
@media (min-width: 900px) { .seccion { padding-block: 96px; } }
.seccion h2 { font-size: clamp(1.8rem, 1.3rem + 1.8vw, 2.6rem); line-height: 1.1; max-width: 18ch; }
.seccion .intro { margin-top: 14px; color: var(--text-muted); max-width: 52ch; font-size: 1.05rem; }

/* Publicar: titular fijo a la izquierda, lista de formas a la derecha */
.publicar .contenido { display: grid; grid-template-columns: minmax(0, 1fr); gap: 40px; }
@media (min-width: 900px) {
  .publicar .contenido { grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 64px; }
  .publicar .cabeza { position: sticky; top: 32px; align-self: start; }
}
.formas { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--rule); }
.formas li { display: grid; grid-template-columns: minmax(0, 1fr); gap: 6px; padding: 28px 0; border-bottom: 1px solid var(--rule); }
@media (min-width: 640px) { .formas li { grid-template-columns: 11rem minmax(0, 1fr); gap: 24px; } }
.formas h3 { font-size: 1.25rem; line-height: 1.25; }
.formas p { color: var(--text-muted); max-width: 52ch; }
.formas .via { display: block; margin-top: 10px; font: 400 .82rem/1.4 var(--font-mono); color: var(--text); }

/* Funciones: bento de 5 celdas */
.bento { margin-top: 40px; display: grid; gap: 12px; grid-template-columns: minmax(0, 1fr); }
@media (min-width: 768px) {
  .bento { grid-template-columns: repeat(6, minmax(0, 1fr)); }
  .celda.versiones { grid-column: span 3; grid-row: span 2; }
  .celda.dominio { grid-column: span 3; }
  .celda.supabase { grid-column: span 3; }
  .celda.spa { grid-column: span 2; }
  .celda.marcos { grid-column: span 4; }
}
.celda { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 28px; display: flex; flex-direction: column; gap: 10px; }
.celda h3 { font-size: 1.2rem; line-height: 1.25; }
.celda p { color: var(--text-muted); max-width: 48ch; }
.celda.versiones { background: var(--zt-blue); border-color: transparent; color: var(--zt-white); justify-content: space-between; gap: 28px; position: relative; overflow: hidden; }
.celda.versiones p { color: rgba(255, 255, 255, .85); }
.celda.versiones .cifra { font: 700 clamp(5rem, 3rem + 7vw, 8.5rem)/.85 var(--font-display); letter-spacing: -0.04em; color: var(--zt-sky); }
.celda.versiones .cifra span { display: block; font: 600 .95rem/1.3 var(--font-sans); letter-spacing: 0; color: var(--zt-white); margin-top: 14px; }
.celda.versiones .pila { display: grid; gap: 6px; margin-top: 4px; }
.celda.versiones .pila i { display: block; height: 6px; border-radius: 1px; background: rgba(196, 223, 244, .28); }
.celda.versiones .pila i:first-child { background: var(--zt-sun); width: 100%; }
.celda.versiones .pila i:nth-child(2) { width: 88%; }
.celda.versiones .pila i:nth-child(3) { width: 76%; }
.celda.versiones .pila i:nth-child(4) { width: 64%; }
.celda.versiones .pila i:nth-child(5) { width: 52%; }
:root[data-theme="dark"] .celda.versiones { background: #1c4d7d; }
.celda.dominio { border-top: 3px solid var(--zt-sun); }
.direccion { font: 600 clamp(1.05rem, .9rem + .7vw, 1.4rem)/1.3 var(--font-mono); color: var(--text); overflow-wrap: anywhere; }
.direccion b { color: var(--accent); font-weight: 600; }
.prefijos { display: flex; flex-wrap: wrap; gap: 6px; margin-top: auto; padding-top: 6px; }
.prefijos code, .marcos li { font: 400 .82rem/1 var(--font-mono); padding: 7px 9px; border: 1px solid var(--border-accent); border-radius: var(--radius); color: var(--text); background: rgba(var(--accent-rgb), .05); }
.marcos ul { list-style: none; margin: 4px 0 0; padding: 0; display: flex; flex-wrap: wrap; gap: 6px; }

/* Seguridad: banda marina */
.seguridad .contenido { display: grid; grid-template-columns: minmax(0, 1fr); gap: 36px; }
@media (min-width: 900px) { .seguridad .contenido { grid-template-columns: minmax(0, 4fr) minmax(0, 8fr); gap: 64px; align-items: start; } }
.seguridad .intro { color: rgba(255, 255, 255, .78); }
.defensas { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: minmax(0, 1fr); }
@media (min-width: 640px) { .defensas { grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 40px; } }
.defensas li { padding: 22px 0 22px 26px; border-top: 1px solid var(--border); position: relative; }
.defensas li::before { content: ""; position: absolute; left: 0; top: 30px; width: 10px; height: 10px; background: var(--zt-sun); }
.defensas strong { display: block; font: 700 1.1rem/1.3 var(--font-display); }
.defensas span { display: block; margin-top: 4px; color: var(--text-muted); font-size: .95rem; }

/* Planes */
.planes { margin-top: 40px; display: grid; grid-template-columns: minmax(0, 1fr); gap: 12px; }
@media (min-width: 700px) { .planes { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 1120px) { .planes { grid-template-columns: repeat(4, minmax(0, 1fr)); } }
.plan { display: flex; flex-direction: column; padding: 28px 24px; border: 1px solid var(--border); border-radius: var(--radius-lg); background: var(--bg-card); }
.plan.gratis { background: transparent; border-color: var(--rule); }
.plan.destacado { border-top: 3px solid var(--zt-sun); box-shadow: 0 10px 30px rgb(10 31 52 / .1); }
.plan h3 { font-size: 1.15rem; display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.plan h3 small { font: 600 .68rem/1 var(--font-display); letter-spacing: .14em; text-transform: uppercase; color: var(--sun-ink); }
.plan .para { margin-top: 6px; color: var(--text-muted); font-size: .93rem; }
@media (min-width: 700px) { .plan .para { min-height: 3em; } }
.precio { margin-top: 18px; font: 700 2.4rem/1 var(--font-display); letter-spacing: -0.02em; font-variant-numeric: tabular-nums; }
.precio small { font: 400 .95rem/1 var(--font-sans); color: var(--text-muted); letter-spacing: 0; }
.precio-nota { margin-top: 8px; font-size: .85rem; color: var(--text-muted); min-height: 1.4em; }
.plan ul { list-style: none; margin: 20px 0 24px; padding: 16px 0 0; border-top: 1px solid var(--rule-soft); display: grid; gap: 8px; font-size: .93rem; }
.plan li { padding-left: 16px; position: relative; }
.plan li::before { content: ""; position: absolute; left: 0; top: .62em; width: 6px; height: 6px; background: var(--accent); }
.plan .boton { margin-top: auto; width: 100%; }
.notas { margin-top: 20px; display: grid; gap: 4px; font-size: .88rem; color: var(--text-muted); max-width: 80ch; }
.notas .pruebas { font-size: .82rem; }

details.comparar { margin-top: 36px; border-top: 1px solid var(--rule); }
details.comparar summary {
  cursor: pointer; list-style: none; display: flex; align-items: center; gap: 12px; padding: 20px 0;
  font: 700 1.1rem/1.3 var(--font-display); color: var(--text);
}
details.comparar summary::-webkit-details-marker { display: none; }
details.comparar summary::before {
  content: ""; width: 9px; height: 9px; border-right: 2px solid var(--accent); border-bottom: 2px solid var(--accent);
  transform: rotate(-45deg); transition: transform var(--dur-fast) ease;
}
details.comparar[open] summary::before { transform: rotate(45deg); }
details.comparar summary:hover { color: var(--accent); }
.tabla { overflow-x: auto; border: 1px solid var(--border); border-radius: var(--radius-lg); }
table { width: 100%; min-width: 720px; border-collapse: collapse; font-size: .92rem; background: var(--bg-card); }
thead th { background: var(--zt-navy); color: var(--zt-white); font: 700 .85rem/1.3 var(--font-display); text-align: left; padding: 12px 14px; }
tbody th { text-align: left; font-weight: 600; padding: 11px 14px; white-space: nowrap; }
tbody td { padding: 11px 14px; vertical-align: top; }
tbody tr:nth-child(even) { background: var(--zebra); }
tbody tr + tr > * { border-top: 1px solid var(--rule-soft); }
td .no { color: var(--text-muted); }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* Cierre */
.cierre { position: relative; overflow: hidden; }
.cierre .contenido { display: grid; grid-template-columns: minmax(0, 1fr); gap: 28px; padding-block: 72px; position: relative; z-index: 1; }
@media (min-width: 900px) { .cierre .contenido { grid-template-columns: minmax(0, 1fr) auto; align-items: end; gap: 48px; } }
.cierre h2 { font-size: clamp(1.8rem, 1.3rem + 1.8vw, 2.6rem); line-height: 1.1; max-width: 20ch; }
.cierre p { margin-top: 14px; color: rgba(255, 255, 255, .8); max-width: 50ch; }
.cierre .acciones { display: flex; flex-wrap: wrap; gap: 12px; }

/* Pie */
.pie { background: var(--band-deep); color: #a6b6c9; font-size: .88rem; }
.pie .contenido { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px; padding-block: 28px; }
.pie .firma { display: flex; align-items: center; gap: 14px; }
.pie img { width: 81px; height: auto; }
.pie nav { display: flex; flex-wrap: wrap; gap: 20px; }
.pie a { color: #c4dff4; text-decoration: none; }
.pie a:hover { color: var(--zt-white); text-decoration: underline; }
.pie :focus-visible { outline-color: var(--zt-sun); }

@media (max-width: 480px) {
  .portada .acciones .boton, .cierre .acciones .boton { flex: 1 1 100%; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; }
  .boton:hover { transform: none !important; }
}

/* Páginas legales: texto largo y legible sobre el fondo claro. */
.legal { padding-block: 48px 80px; }
.legal article { max-width: 46rem; }
.legal h1 { margin: .3rem 0 .2rem; }
.legal h2 { margin: 2rem 0 .6rem; font-size: 1.25rem; }
.legal p, .legal li { line-height: 1.7; }
.legal ul { padding-left: 1.2rem; }
.legal-migas { font-size: .88rem; margin: 0; }
.legal-fecha { color: var(--text-muted); font-size: .9rem; margin: 0 0 1.5rem; }