/* =========================================================
   Tecno Sencillo · estilos
   Pensado para leer en celular: letra grande, columnas angostas,
   sin fuentes externas (carga rápida) y modo oscuro automático.
   ========================================================= */
:root {
  --fondo: #fbfaf6;
  --fondo-2: #f1efe7;
  --tinta: #1c1f23;
  --tinta-2: #4a5058;
  --linea: #e2ded2;
  --marca: #0b6e57;
  --marca-2: #085744;
  --marca-suave: #e3f2ec;
  --sol: #ffd34d;
  --sol-suave: #fff6d6;
  --ojo: #fdeaea;
  --ojo-borde: #d9534f;
  --logo-check: #ffd34d;
  --sombra: 0 1px 2px rgba(28, 31, 35, .06), 0 8px 24px rgba(28, 31, 35, .07);
  --radio: 14px;
  --ancho: 720px;
  --ancho-max: 1120px;
  --letra: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --fondo: #121513;
    --fondo-2: #1a1f1c;
    --tinta: #ecefea;
    --tinta-2: #aeb5ae;
    --linea: #2c332f;
    --marca: #46c39e;
    --marca-2: #6fd6b5;
    --marca-suave: #17312a;
    --sol-suave: #2c2715;
    --ojo: #3a1f1f;
    --ojo-borde: #e57373;
    --logo-check: #121513;
    --sombra: 0 1px 2px rgba(0, 0, 0, .3), 0 8px 24px rgba(0, 0, 0, .25);
  }
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: 80px; }
body {
  margin: 0; background: var(--fondo); color: var(--tinta);
  font: 400 1.0625rem/1.65 var(--letra);
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--marca); text-underline-offset: .18em; text-decoration-thickness: 1px; }
a:hover { color: var(--marca-2); text-decoration-thickness: 2px; }
:focus-visible { outline: 3px solid var(--sol); outline-offset: 2px; border-radius: 4px; }
h1, h2, h3 { line-height: 1.2; letter-spacing: -.015em; text-wrap: balance; }

.saltar { position: absolute; left: -9999px; }
.saltar:focus { left: 16px; top: 12px; z-index: 50; background: var(--tinta); color: var(--fondo); padding: 8px 14px; border-radius: 8px; }

.envoltura { max-width: var(--ancho-max); margin: 0 auto; padding: 0 16px; }

/* ---------- cabecera ---------- */
.top { position: sticky; top: 0; z-index: 20; background: color-mix(in srgb, var(--fondo) 92%, transparent); backdrop-filter: blur(8px); border-bottom: 1px solid var(--linea); }
.top-in { max-width: var(--ancho-max); margin: 0 auto; padding: 10px 16px; display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.marca { display: inline-flex; align-items: center; gap: 10px; color: var(--tinta); text-decoration: none; font-size: 1.2rem; letter-spacing: -.02em; }
.marca:hover { color: var(--tinta); }
.marca b { color: var(--marca); font-weight: 800; }
.logo-mark { color: var(--marca); flex: none; }
.menu-btn { font: 600 .95rem var(--letra); color: var(--tinta); background: var(--fondo-2); border: 1px solid var(--linea); border-radius: 999px; padding: 8px 16px; cursor: pointer; }
.menu { border-top: 1px solid var(--linea); }
.menu ul { list-style: none; margin: 0 auto; padding: 8px 16px 12px; max-width: var(--ancho-max); display: flex; flex-wrap: wrap; gap: 6px 8px; }
.menu a { display: block; padding: 6px 12px; border-radius: 999px; color: var(--tinta-2); text-decoration: none; font-size: .95rem; }
.menu a:hover { background: var(--marca-suave); color: var(--marca-2); }
.menu { display: none; }
.menu.abierto { display: block; }
@media (min-width: 860px) {
  .menu-btn { display: none; }
  .menu { display: block; border-top: 0; }
  .top { display: flex; align-items: center; max-width: none; }
  .top-in { flex: 1; max-width: none; padding-right: 0; margin: 0; }
  .menu ul { padding: 10px 16px; justify-content: flex-end; }
}

/* ---------- inicio ---------- */
.heroe { padding: 48px 0 28px; }
.heroe-pre { display: inline-block; margin: 0 0 14px; padding: 4px 12px; background: var(--sol-suave); border-radius: 999px; font-size: .9rem; font-weight: 600; }
.heroe h1 { font-size: clamp(2rem, 6vw, 3.4rem); margin: 0 0 16px; max-width: 18ch; font-weight: 800; }
.heroe h1 em { font-style: normal; color: var(--marca); box-shadow: inset 0 -.32em 0 var(--sol-suave); }
.heroe-txt { font-size: 1.15rem; color: var(--tinta-2); max-width: 52ch; margin: 0; }
.bloque { padding: 28px 0; }
.bloque > h2 { font-size: 1.45rem; margin: 0 0 16px; }
.temas { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 10px; }
.temas a { display: grid; grid-template-columns: auto 1fr; column-gap: 12px; row-gap: 2px; align-items: center; padding: 14px 16px; border: 1px solid var(--linea); border-radius: var(--radio); background: var(--fondo); text-decoration: none; color: var(--tinta); height: 100%; }
.temas a:hover { border-color: var(--marca); box-shadow: var(--sombra); color: var(--tinta); }
.temas span { color: var(--tinta-2); font-size: .92rem; grid-column: 2; }
.tema-ico { grid-row: span 2; width: 44px; height: 44px; padding: 10px; border-radius: 12px; background: var(--marca-suave); color: var(--marca); }
.cat-ico { width: 52px; height: 52px; padding: 12px; border-radius: 14px; background: var(--marca-suave); color: var(--marca); margin-bottom: 12px; }
.vacio { padding: 20px; background: var(--fondo-2); border-radius: var(--radio); color: var(--tinta-2); margin: 0; }
.promesa ol { padding-left: 1.2em; max-width: var(--ancho); }
.promesa li { margin-bottom: 8px; }

/* ---------- tarjetas ---------- */
.rejilla { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 14px; }
.tarjeta { padding: 18px; border: 1px solid var(--linea); border-radius: var(--radio); background: var(--fondo); display: flex; flex-direction: column; gap: 6px; transition: box-shadow .2s, border-color .2s; overflow: hidden; }
.tarjeta-img { margin: -18px -18px 8px; width: calc(100% + 36px); max-width: none; aspect-ratio: 1200 / 630; object-fit: cover; border-bottom: 1px solid var(--linea); }
.tarjeta:hover { border-color: var(--marca); box-shadow: var(--sombra); }
.tarjeta h2, .tarjeta h3 { font-size: 1.12rem; margin: 0; }
.tarjeta h2 a, .tarjeta h3 a { color: var(--tinta); text-decoration: none; }
.tarjeta h2 a::after, .tarjeta h3 a::after { content: ""; position: absolute; inset: 0; }
.tarjeta { position: relative; }
.tarjeta p { margin: 0; color: var(--tinta-2); font-size: .95rem; }
.tarjeta-cat { font-size: .8rem !important; font-weight: 700; color: var(--marca) !important; text-transform: uppercase; letter-spacing: .04em; }
.tarjeta-meta { font-size: .85rem !important; margin-top: auto !important; padding-top: 6px; }

/* ---------- migas ---------- */
.migas ol { list-style: none; display: flex; flex-wrap: wrap; gap: 4px; padding: 18px 0 0; margin: 0; font-size: .88rem; color: var(--tinta-2); }
.migas li + li::before { content: "›"; margin-right: 4px; color: var(--tinta-2); opacity: .7; }
.migas a { color: var(--tinta-2); text-decoration: none; }
.migas a:hover { color: var(--marca); }

/* ---------- categoría ---------- */
.cat-cab { padding: 18px 0 22px; max-width: var(--ancho); }
.cat-cab h1 { font-size: clamp(1.8rem, 5vw, 2.6rem); margin: 0 0 8px; }
.cat-cab p { color: var(--tinta-2); margin: 0; font-size: 1.08rem; }
.cat-cab + .rejilla { padding-bottom: 40px; }

/* ---------- artículo ---------- */
.art { max-width: var(--ancho); margin: 0 auto; padding: 16px 0 24px; }
.art-cab h1 { font-size: clamp(1.85rem, 5.4vw, 2.6rem); margin: 6px 0 16px; font-weight: 800; }
.art-cat { margin: 0; font-size: .85rem; font-weight: 700; text-transform: uppercase; letter-spacing: .05em; }
.art-cat a { text-decoration: none; }
.art-meta { display: flex; align-items: center; gap: 12px; }
.art-meta img { border-radius: 50%; }
.art-meta p { margin: 0; font-size: .95rem; line-height: 1.4; }
.art-meta span { color: var(--tinta-2); font-size: .88rem; }
.probado { margin: 14px 0 0; padding: 8px 12px; background: var(--marca-suave); border-radius: 10px; font-size: .92rem; display: inline-block; }
.probado span { font-weight: 700; color: var(--marca-2); margin-right: 4px; }
.respuesta { margin: 24px 0; padding: 18px 20px; background: var(--sol-suave); border-left: 5px solid var(--sol); border-radius: 0 var(--radio) var(--radio) 0; }
.respuesta p { margin: 0; }
.respuesta-tit { font-weight: 800; font-size: .85rem; text-transform: uppercase; letter-spacing: .05em; margin-bottom: 6px !important; }
.indice { margin: 0 0 24px; padding: 16px 20px; border: 1px solid var(--linea); border-radius: var(--radio); }
.indice p { margin: 0 0 6px; font-weight: 700; }
.indice ol { margin: 0; padding-left: 1.3em; }
.indice li { margin: 3px 0; }

.prosa h2 { font-size: 1.5rem; margin: 2em 0 .5em; }
.prosa h3 { font-size: 1.18rem; margin: 1.6em 0 .4em; }
.prosa p, .prosa ul, .prosa ol { margin: 0 0 1em; }
.prosa li { margin: .35em 0; }
.prosa ol.pasos { list-style: none; counter-reset: paso; padding: 0; }
.prosa ol.pasos > li { counter-increment: paso; position: relative; padding-left: 46px; margin: 0 0 1.3em; }
.prosa ol.pasos > li::before { content: counter(paso); position: absolute; left: 0; top: -1px; width: 32px; height: 32px; border-radius: 50%; background: var(--marca); color: var(--fondo); font-weight: 800; display: grid; place-items: center; font-size: .95rem; }
.prosa strong, .prosa b { font-weight: 700; }
.prosa kbd { font: 600 .88em var(--letra); padding: 1px 7px; border: 1px solid var(--linea); border-bottom-width: 2px; border-radius: 6px; background: var(--fondo-2); }
.prosa table { width: 100%; border-collapse: collapse; margin: 0 0 1.2em; font-size: .95rem; display: block; overflow-x: auto; }
.prosa th, .prosa td { text-align: left; padding: 9px 10px; border-bottom: 1px solid var(--linea); vertical-align: top; }
.prosa th { background: var(--fondo-2); }
.captura { margin: 14px 0 6px; max-width: 300px; }
.captura.ancha { max-width: 100%; }
.captura img { border-radius: 16px; border: 1px solid var(--linea); box-shadow: var(--sombra); }
.captura figcaption { font-size: .85rem; color: var(--tinta-2); margin-top: 8px; }
.nota, .ojo { padding: 14px 16px; border-radius: 12px; margin: 0 0 1.2em; }
.nota { background: var(--marca-suave); }
.ojo { background: var(--ojo); border-left: 4px solid var(--ojo-borde); }
.nota > :last-child, .ojo > :last-child { margin-bottom: 0; }

.faq { margin-top: 2.4em; }
.faq h2 { font-size: 1.5rem; }
.faq details { border-bottom: 1px solid var(--linea); padding: 12px 0; }
.faq summary { font-weight: 700; cursor: pointer; list-style: none; position: relative; padding-right: 28px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 4px; top: -2px; font-size: 1.3rem; color: var(--marca); }
.faq details[open] summary::after { content: "−"; }
.faq details p { margin: 8px 0 0; color: var(--tinta-2); }

.autor { display: flex; gap: 14px; align-items: flex-start; margin-top: 2.4em; padding: 18px; background: var(--fondo-2); border-radius: var(--radio); }
.autor img { border-radius: 50%; flex: none; }
.autor p { margin: 0; font-size: .95rem; color: var(--tinta-2); }
.autor .autor-nom { color: var(--tinta); font-weight: 700; margin-bottom: 2px; }

.relacionados { max-width: var(--ancho-max); padding: 16px 0 48px; }
.relacionados h2 { font-size: 1.35rem; }

/* ---------- páginas simples ---------- */
.simple { padding-bottom: 48px; }
.yo { display: flex; flex-wrap: wrap; gap: 20px; align-items: center; margin-bottom: 8px; }
.yo img { width: 160px; height: 160px; border-radius: 50%; object-fit: cover; }
.yo-intro { flex: 1 1 260px; font-size: 1.12rem; margin: 0; }
.correo { font-size: 1.25rem; font-weight: 700; }
.boton { display: inline-block; padding: 12px 22px; background: var(--marca); color: var(--fondo); border-radius: 999px; text-decoration: none; font-weight: 700; }
.boton:hover { background: var(--marca-2); color: var(--fondo); }
.no-esta { text-align: center; padding: 64px 0; }

/* ---------- pie ---------- */
.pie { border-top: 1px solid var(--linea); background: var(--fondo-2); margin-top: 24px; }
.pie-in { max-width: var(--ancho-max); margin: 0 auto; padding: 32px 16px 12px; display: grid; gap: 24px; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }
.pie p { margin: 8px 0 0; color: var(--tinta-2); font-size: .93rem; }
.pie-tit { font-weight: 700; color: var(--tinta) !important; margin: 0 0 6px !important; }
.pie ul { list-style: none; padding: 0; margin: 0; }
.pie li { margin: 4px 0; }
.pie li a { color: var(--tinta-2); text-decoration: none; font-size: .93rem; }
.pie li a:hover { color: var(--marca); text-decoration: underline; }
.pie-legal { max-width: var(--ancho-max); margin: 0 auto !important; padding: 12px 16px 28px; font-size: .82rem !important; }

@media (prefers-reduced-motion: reduce) { * { transition: none !important; scroll-behavior: auto !important; } }
@media print { .top, .pie, .relacionados, .indice { display: none; } }

/* migas alineadas con la columna del artículo */
.envoltura > .migas:has(+ .art) { max-width: var(--ancho); margin: 0 auto; }