/* ReaderPort — web estática. Misma paleta que la app (ios/KoboSync/Views/Theme.swift).
   Sin fuentes externas, sin trackers. */
:root {
  --paper: #E9EBE6;
  --surface: #F5F6F2;
  --ink: #1F2326;
  --ink2: #545A5F;
  --ink3: #6B7175;
  --rule: #D2D5CE;
  --accent: #2E5B4F;
  --accent-soft: #C9D8D1;
  --marker: rgba(240, 214, 92, 0.62);
  --note: #6B4E8C;
  --warn-bg: #FFF4D6;
  --warn-ink: #5C4300;
  --serif: ui-serif, "New York", "Iowan Old Style", Georgia, "Times New Roman", serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --paper: #161819;
    --surface: #1F2223;
    --ink: #E3E5E0;
    --ink2: #A8ADA8;
    --ink3: #8C918E;
    --rule: #33373A;
    --accent: #8EC3B0;
    --accent-soft: #2D4A42;
    --marker: rgba(205, 170, 50, 0.42);
    --note: #B9A2D6;
    --warn-bg: #3A3016;
    --warn-ink: #F3DFA2;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 1.0625rem/1.6 var(--sans);
}
img { max-width: 100%; height: auto; }
a { color: var(--accent); text-underline-offset: 0.18em; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; border-radius: 4px; }

.skip { position: absolute; left: -9999px; }
.skip:focus { left: 16px; top: 12px; background: var(--surface); padding: 8px 12px; z-index: 10; }

.wrap { max-width: 1040px; margin: 0 auto; padding: 0 20px; }
.narrow { max-width: 760px; }

/* Cabecera */
.site-header { border-bottom: 1px solid var(--rule); background: var(--paper); }
.site-header .wrap { display: flex; align-items: center; gap: 16px; min-height: 64px; flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none; font: 600 1.25rem var(--serif); }
.brand img { width: 36px; height: 36px; border-radius: 8px; }
.site-nav { margin-left: auto; display: flex; gap: 6px 18px; flex-wrap: wrap; align-items: center; font-size: 0.95rem; }
.site-nav a { color: var(--ink2); text-decoration: none; padding: 6px 0; }
.site-nav a:hover { color: var(--ink); text-decoration: underline; }
.lang-switch { border: 1px solid var(--rule); border-radius: 999px; padding: 4px 12px !important; color: var(--ink) !important; }

/* Portada */
.hero { padding: 64px 0 48px; }
.hero .wrap { display: grid; grid-template-columns: 1.3fr 1fr; gap: 40px; align-items: center; }
.hero h1 { font: 500 clamp(2.2rem, 5vw, 3.4rem)/1.1 var(--serif); margin: 0 0 16px; letter-spacing: -0.01em; }
.hero .lead { font-size: 1.2rem; color: var(--ink2); margin: 0 0 24px; }
.mark { background: linear-gradient(transparent 55%, var(--marker) 55%, var(--marker) 92%, transparent 92%); padding: 0 2px; }
.hero-art { justify-self: center; text-align: center; }
.hero-art img { width: min(240px, 60vw); border-radius: 22%; box-shadow: 0 18px 40px rgba(0,0,0,0.18); }
.status-pill { display: inline-block; background: var(--surface); border: 1px solid var(--rule); border-radius: 999px; padding: 8px 16px; color: var(--ink2); font-size: 0.95rem; }

/* Secciones */
section { padding: 48px 0; border-top: 1px solid var(--rule); }
h2 { font: 500 clamp(1.6rem, 3vw, 2.1rem)/1.2 var(--serif); margin: 0 0 12px; }
h3 { font: 600 1.15rem/1.3 var(--serif); margin: 0 0 6px; }
.section-intro { color: var(--ink2); max-width: 680px; margin: 0 0 28px; }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 16px; }
.card { background: var(--surface); border: 1px solid var(--rule); border-radius: 14px; padding: 20px; }
.card p { margin: 0; color: var(--ink2); font-size: 0.98rem; }
.card .icon { font-size: 1.4rem; line-height: 1; margin-bottom: 10px; display: block; }
.tag { display: inline-block; font-size: 0.78rem; font-weight: 600; letter-spacing: 0.02em; border-radius: 6px; padding: 2px 8px; margin-bottom: 8px; }
.tag.ok { background: var(--accent-soft); color: var(--ink); }
.tag.research { background: var(--warn-bg); color: var(--warn-ink); }

/* Privacidad destacada */
.privacy-band { background: var(--surface); }
.privacy-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 14px; }
.privacy-list li { padding-left: 16px; border-left: 3px solid var(--accent); }
.privacy-list strong { display: block; }
.cta-link { display: inline-block; margin-top: 24px; font-weight: 600; }

/* Preguntas frecuentes */
details { background: var(--surface); border: 1px solid var(--rule); border-radius: 12px; padding: 14px 18px; margin-bottom: 10px; }
summary { cursor: pointer; font-weight: 600; }
details p { color: var(--ink2); margin: 10px 0 0; }

/* Novedades */
.release { background: var(--surface); border: 1px solid var(--rule); border-radius: 14px; padding: 20px; }
.release ul { margin: 10px 0 0; padding-left: 20px; color: var(--ink2); }

/* Documento legal */
.doc { padding: 40px 0 64px; }
.doc h1 { font: 500 clamp(2rem, 4vw, 2.6rem)/1.15 var(--serif); margin: 0 0 8px; }
.doc h2 { margin-top: 36px; font-size: 1.45rem; }
.doc p, .doc li { color: var(--ink); }
.doc .meta { color: var(--ink2); }
.doc table { width: 100%; border-collapse: collapse; margin: 12px 0; font-size: 0.95rem; display: block; overflow-x: auto; }
.doc th, .doc td { text-align: left; vertical-align: top; border-bottom: 1px solid var(--rule); padding: 8px 10px 8px 0; }
.pending { background: var(--warn-bg); color: var(--warn-ink); border-radius: 4px; padding: 0 4px; font-weight: 600; }
.notice { background: var(--warn-bg); color: var(--warn-ink); border-radius: 12px; padding: 14px 18px; margin: 16px 0 24px; }

/* Pie */
.site-footer { border-top: 1px solid var(--rule); padding: 28px 0 40px; color: var(--ink2); font-size: 0.92rem; }
.site-footer .wrap { display: flex; flex-wrap: wrap; gap: 8px 20px; }
.site-footer nav { display: flex; flex-wrap: wrap; gap: 8px 16px; }

@media (max-width: 760px) {
  .hero { padding: 40px 0 32px; }
  .hero .wrap { grid-template-columns: 1fr; gap: 28px; }
  .hero-art { order: -1; }
  .hero-art img { width: 128px; }
  .site-nav { margin-left: 0; width: 100%; padding-bottom: 10px; }
  .wrap { padding: 0 16px; }
}