/* ============================================================
   FluIA — hoja de estilos
   Oscuro por defecto; claro con <html data-theme="light">.
   Sin dependencias (solo las fuentes Poppins y DM Sans de Google Fonts).
   ============================================================ */

:root {
  --bg: #0a1020;
  --bg-2: #111a2e;
  --bg-3: #182340;
  --fg: #eef2ff;
  --fg-2: #a5b0cc;
  --fg-3: #7783a3;
  --line: #1f2a45;
  --line-2: #2b3860;
  --brand: #38bdf8;          /* cian: botón principal, acentos */
  --brand-2: #7dd3fc;        /* cian claro: hover y enlaces sobre oscuro */
  --brand-contrast: #0a1020; /* texto sobre el cian */
  --brand-soft: rgba(56, 189, 248, .12);
  --brand-line: rgba(56, 189, 248, .35);
  --ok: #34d399;
  --glow: rgba(56, 189, 248, .22);
  --radius: 16px;
  --radius-s: 10px;
  --max: 1180px;
  --content: 70ch;
  --shadow: 0 1px 0 rgba(255,255,255,.04) inset, 0 20px 60px -30px rgba(0,0,0,.9);
  --font: "DM Sans", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-titulos: "Poppins", "DM Sans", system-ui, sans-serif;
  --mono: ui-monospace, "Cascadia Code", "SF Mono", Menlo, Consolas, monospace;
  --z-nav: 20; --z-banner: 50; --z-skip: 100;
  color-scheme: dark;
}

:root[data-theme="light"] {
  --bg: #ffffff; --bg-2: #f4f7fb; --bg-3: #e8eef6;
  --fg: #0a1020; --fg-2: #46536e; --fg-3: #67748f;
  --line: #e1e7f0; --line-2: #cdd6e4;
  --brand: #0284c7; --brand-2: #0369a1; --brand-contrast: #ffffff;
  --brand-soft: rgba(2, 132, 199, .10); --brand-line: rgba(2, 132, 199, .35);
  --ok: #059669;
  --glow: rgba(2, 132, 199, .14);
  --shadow: 0 1px 2px rgba(0,0,0,.05), 0 20px 50px -30px rgba(0,0,0,.25);
  color-scheme: light;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 1rem; }
body {
  margin: 0; background: var(--bg); color: var(--fg);
  font-family: var(--font); font-size: 17px; line-height: 1.65;
  -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
}
img, svg, video, iframe { max-width: 100%; }
a { color: var(--brand-2); text-decoration: underline; text-decoration-color: transparent; text-underline-offset: 3px; text-decoration-thickness: 1px; transition: text-decoration-color .15s; }
a:hover { text-decoration-color: currentColor; }
h1, h2, h3, h4 { font-family: var(--font-titulos); line-height: 1.15; letter-spacing: -.025em; margin: 0 0 .6em; font-weight: 800; text-wrap: balance; }
.logo, .btn, .card-title, .sec-card strong, .nav a[data-destacado] { font-family: var(--font-titulos); }
p { text-wrap: pretty; }
h1 { font-size: clamp(1.9rem, 1.3rem + 2.6vw, 3rem); }
h2 { font-size: clamp(1.35rem, 1.1rem + 1.1vw, 1.8rem); margin-top: 2em; }
h3 { font-size: 1.15rem; margin-top: 1.6em; letter-spacing: -.01em; }
p, ul, ol { margin: 0 0 1.1em; }
ul, ol { padding-left: 1.4em; }
li { margin-bottom: .35em; }
code, kbd, pre { font-family: var(--mono); font-size: .9em; }
code { background: var(--bg-3); padding: .12em .4em; border-radius: 6px; }
pre { background: var(--bg-2); border: 1px solid var(--line); border-radius: var(--radius-s); padding: 1rem; overflow: auto; line-height: 1.5; }
pre code { background: none; padding: 0; }
kbd {
  display: inline-block; padding: .05em .5em; border: 1px solid var(--line-2); border-bottom-width: 2px;
  border-radius: 6px; background: var(--bg-2); font-size: .82em; line-height: 1.5;
}
blockquote {
  margin: 1.2em 0; padding: 1rem 1.2rem 1rem 2.6rem; border: 1px solid var(--line-2);
  background: var(--bg-2); border-radius: var(--radius-s); color: var(--fg); position: relative;
}
blockquote::before { content: "“"; position: absolute; left: .9rem; top: .35rem; font-size: 2rem; line-height: 1; color: var(--fg-3); font-weight: 800; }
table { border-collapse: collapse; width: 100%; font-size: .95rem; }
th, td { text-align: left; padding: .6rem .7rem; border-bottom: 1px solid var(--line); vertical-align: top; }
th { background: var(--bg-2); font-weight: 600; }
.tabla-scroll { overflow-x: auto; margin: 1.2em 0; border: 1px solid var(--line); border-radius: var(--radius-s); }
.tabla-scroll table { margin: 0; }
hr { border: 0; border-top: 1px solid var(--line); margin: 2rem 0; }

.wrap { width: min(var(--max), 100% - 32px); margin-inline: auto; }
.saltar { position: absolute; left: -999px; top: 8px; background: var(--brand); color: var(--brand-contrast); padding: .5rem 1rem; border-radius: 8px; z-index: var(--z-skip); }
.saltar:focus { left: 8px; }

/* ---------- Botones ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .4rem;
  padding: .85rem 1.5rem; border-radius: 999px; border: 1px solid var(--brand);
  background: var(--brand); color: var(--brand-contrast); font-weight: 700; font-size: .95rem; cursor: pointer;
  box-shadow: 0 10px 30px -12px var(--glow), 0 0 0 0 var(--brand-soft);
  text-decoration: none; transition: transform .12s ease, background .15s ease, border-color .15s ease; line-height: 1.2; font-family: inherit;
}
.btn:hover { background: var(--brand-2); border-color: var(--brand-2); transform: translateY(-1px); text-decoration: none; box-shadow: 0 14px 34px -12px var(--glow), 0 0 0 4px var(--brand-soft); }
.btn-secundario { background: var(--bg-2); color: var(--fg); border-color: var(--line-2); box-shadow: none; }
.btn-secundario:hover { background: var(--bg-3); border-color: var(--fg-3); box-shadow: none; }
.btn:disabled { opacity: .5; cursor: not-allowed; transform: none; }
.chip {
  border: 1px solid var(--line-2); background: transparent; color: var(--fg-2); border-radius: 999px;
  padding: .3rem .8rem; font-size: .85rem; cursor: pointer; font-family: inherit;
}
.chip:hover { border-color: var(--brand); color: var(--brand-2); }
.chip-borrar { color: var(--fg-3); }
button.enlace { background: none; border: 0; padding: 0; color: var(--brand-2); cursor: pointer; font: inherit; text-decoration: underline; }

/* ---------- Cabecera ---------- */
.site-header { border-bottom: 1px solid var(--line); background: var(--bg); position: relative; z-index: var(--z-nav); }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 68px; }
.logo { display: inline-flex; align-items: center; gap: .55rem; font-weight: 800; font-size: 1.15rem; color: var(--fg); letter-spacing: -.03em; text-decoration: none; }
.logo-mark { flex: none; position: relative; width: 30px; height: 30px; border-radius: 8px; display: grid; place-items: center; isolation: isolate;
  background: linear-gradient(180deg, #7dd3fc 0%, #38bdf8 52%, #0e7ab5 100%);
  box-shadow: 0 0 0 1px rgba(255,255,255,.4) inset, 0 0 8px rgba(56,189,248,.7), 0 0 18px rgba(56,189,248,.35); }
.logo-mark::before { content: ""; position: absolute; inset: 0; border-radius: inherit; background: linear-gradient(180deg, rgba(255,255,255,.28), rgba(255,255,255,.04) 44%, transparent 50%, rgba(0,0,0,.18)); }
.logo-mark svg { position: relative; filter: drop-shadow(0 0 2px rgba(255,255,255,.8)); }
.header-derecha { display: flex; align-items: center; gap: .5rem; }
.nav ul { list-style: none; margin: 0; padding: 0; display: flex; gap: .1rem; align-items: center; }
.nav a { display: block; padding: .5rem .75rem; border-radius: 999px; color: var(--fg-2); font-weight: 500; font-size: .93rem; text-decoration: none; }
.nav a:hover, .nav a.activa { color: var(--fg); background: var(--bg-3); }
.nav a[data-destacado] { color: var(--brand-contrast); background: var(--brand); font-weight: 700; margin-left: .4rem; padding-inline: 1rem; border-radius: 999px; }
.nav a[data-destacado]:hover, .nav a[data-destacado].activa { background: var(--brand-2); }
.nav-toggle { display: none; background: none; border: 1px solid var(--line-2); border-radius: 10px; width: 40px; height: 38px; cursor: pointer; padding: 9px; flex-direction: column; justify-content: space-between; }
.nav-toggle span { display: block; height: 2px; background: var(--fg); border-radius: 2px; transition: transform .2s, opacity .2s; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }
@media (max-width: 860px) {
  .nav-toggle { display: flex; }
  .nav { display: none; position: absolute; left: 0; right: 0; top: 100%; background: var(--bg); border-bottom: 1px solid var(--line); box-shadow: var(--shadow); }
  .nav.abierto { display: block; }
  .nav ul { flex-direction: column; align-items: stretch; padding: .6rem 16px 1rem; gap: .1rem; }
  .nav a { padding: .8rem .9rem; border-radius: 10px; font-size: 1.02rem; }
  .nav a[data-destacado] { margin: .4rem 0 0; text-align: center; }
}

/* ---------- Portada ---------- */
.hero { position: relative; text-align: left; padding: clamp(3rem, 7vw, 5.5rem) 0 0; overflow: hidden; }
.hero::before {
  content: ""; position: absolute; left: 68%; top: 45%; width: 900px; height: 720px; transform: translate(-50%, -50%);
  background: radial-gradient(closest-side, var(--glow), transparent 70%); pointer-events: none;
}
.hero > .wrap { position: relative; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr); gap: 3rem; align-items: center; }
@media (max-width: 960px) { .hero-grid { grid-template-columns: minmax(0, 1fr); gap: 2rem; } .hero-visual { min-width: 0; } }
.hero h1 { font-size: clamp(2.6rem, 1.6rem + 4.2vw, 4.4rem); letter-spacing: -.04em; line-height: 1.02; max-width: 13ch; margin: 0 0 1rem; }
.hero h1 .fade { color: var(--brand); }
.hero-sub { max-width: 48ch; margin: 0; font-size: 1.1rem; color: var(--fg-2); }
.hero-cta { display: flex; flex-wrap: wrap; gap: .7rem; margin-top: 1.6rem; justify-content: flex-start; }
.hero-nota { margin-top: .9rem; font-size: .82rem; color: var(--fg-3); }
.hero-nota::before { content: "●"; font-size: .5rem; vertical-align: .2em; margin-right: .4rem; color: var(--fg-3); }
.funciona-con { display: flex; flex-wrap: wrap; justify-content: flex-start; align-items: center; gap: .6rem 1.6rem; margin: 2.2rem 0 0; font-size: .8rem; color: var(--fg-3); }
.funciona-con span { font-weight: 700; font-size: .95rem; color: var(--fg-2); letter-spacing: -.01em; opacity: .85; }
.marco {
  position: relative; margin: 0; max-width: none; text-align: left;
  background: var(--bg-2); border: 1px solid var(--line-2); border-radius: 20px;
  box-shadow: 0 30px 80px -30px rgba(0,0,0,.8), 0 0 0 1px var(--brand-soft), 0 0 60px -10px var(--glow);
  padding: 1.2rem; overflow: hidden;
}
.marco-barra { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: 0 .2rem .9rem; border-bottom: 1px solid var(--line); margin-bottom: 1rem; font-size: .85rem; color: var(--fg-3); }
.marco-barra strong { color: var(--fg); font-weight: 600; }
.marco-barra a { font-size: .85rem; }
.marco .tool-panel, .marco .tool-result { background: transparent; border: 0; padding: 0; }
.marco .tool-result { margin-top: 1rem; padding-top: 1rem; border-top: 1px solid var(--line); }
.marco .tool-result h2 { font-size: 1rem; margin-top: 0; }
.marco .tabla-scroll { max-height: 210px; overflow: auto; }
.marco .tool-stats strong { font-size: 1.3rem; }
.marco textarea { rows: 5; }
.marco textarea { min-height: 6rem; }
.hero-fin { height: 1.5rem; }
@keyframes subir { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }
html.js-anim .hero h1, html.js-anim .hero .hero-sub, html.js-anim .hero .hero-cta, html.js-anim .hero .hero-nota, html.js-anim .hero .funciona-con, html.js-anim .hero .marco { animation: subir .6s cubic-bezier(.22, 1, .36, 1) backwards; }
.hero .hero-sub { animation-delay: .08s } .hero .hero-cta { animation-delay: .16s } .hero .hero-nota { animation-delay: .2s } .hero .funciona-con { animation-delay: .28s } .hero .marco { animation-delay: .2s; animation-duration: .9s }
@media (prefers-reduced-motion: reduce) { .hero * { animation: none !important; } .btn, .card { transition: none; } }

/* Últimas guías: destacado + lista */
.ultimas { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); gap: 1rem; }
@media (max-width: 800px) { .ultimas { grid-template-columns: 1fr; } }
.destacado-art { background: var(--bg-2); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.8rem; display: flex; flex-direction: column; gap: .7rem; position: relative; }
.destacado-art h3 { font-size: clamp(1.35rem, 1.1rem + 1vw, 1.75rem); margin: 0; }
.destacado-art h3 a { text-decoration: none; color: var(--fg); }
.destacado-art h3 a::after { content: ""; position: absolute; inset: 0; }
.destacado-art p { color: var(--fg-2); margin: 0; flex: 1; }
.lista-arts { list-style: none; margin: 0; padding: 0; border: 1px solid var(--line); border-radius: var(--radius); background: var(--bg-2); overflow: hidden; }
.lista-arts li { display: grid; grid-template-columns: 1fr auto; gap: .5rem 1rem; align-items: baseline; padding: .95rem 1.3rem; border-top: 1px solid var(--line); }
.lista-arts li:first-child { border-top: 0; }
.lista-arts a { font-weight: 600; text-decoration: none; letter-spacing: -.01em; color: var(--fg); }
.lista-arts a:hover { text-decoration: underline; }
.lista-arts small { color: var(--fg-3); font-size: .78rem; white-space: nowrap; }
.lista-arts .card-cat { grid-column: 1 / -1; margin-top: -.2rem; }

.seccion { margin: 3rem 0; }
.seccion-head { display: flex; align-items: baseline; justify-content: space-between; gap: 1rem; margin-bottom: 1.2rem; }
.seccion-head h2 { margin: 0; }
.seccion-centrada { text-align: center; margin: 4.5rem 0 3rem; }
.seccion-centrada h2 { font-size: clamp(1.7rem, 1.2rem + 2.2vw, 2.6rem); letter-spacing: -.035em; max-width: 22ch; margin: 0 auto .6rem; }
.seccion-centrada p { max-width: 60ch; margin: 0 auto; color: var(--fg-2); }
.grid { display: grid; gap: 1rem; }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
@media (max-width: 900px) { .grid-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 600px) { .grid-3, .grid-2 { grid-template-columns: minmax(0, 1fr); } }

.card {
  position: relative; background: var(--bg-2); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.35rem 1.35rem 1.15rem; display: flex; flex-direction: column; gap: .5rem;
  transition: border-color .15s ease, transform .15s ease;
}
.card:hover { border-color: var(--brand-line); transform: translateY(-2px); }
.card-cat { display: inline-block; align-self: flex-start; font-size: .72rem; font-weight: 700; letter-spacing: .02em; color: var(--brand-2); background: var(--brand-soft); padding: .2em .65em; border-radius: 999px; text-decoration: none; }
.card-title { font-size: 1.1rem; margin: 0; letter-spacing: -.015em; }
.card-title a { color: var(--fg); text-decoration: none; }
.card-title a:hover { color: var(--brand-2); }
.card-title a::after { content: ""; position: absolute; inset: 0; }
.card-desc { color: var(--fg-2); font-size: .94rem; margin: 0; flex: 1; }
.card-meta { display: flex; gap: .8rem; font-size: .8rem; color: var(--fg-3); margin-top: .3rem; }
.card-tool { flex-direction: row; align-items: flex-start; gap: 1rem; }
.card-tool .tool-icon { flex: none; }
.card-tool .card-cuerpo { display: flex; flex-direction: column; gap: .35rem; flex: 1; }
.tool-icon { width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center; background: var(--brand-soft); color: var(--brand); border: 1px solid var(--brand-line); }
.card-link { color: var(--brand-2); font-weight: 700; font-size: .9rem; }

.pilar { background: var(--bg-2); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.4rem 1.5rem; display: flex; flex-direction: column; min-width: 0; }
.pilar-ancho { grid-column: 1 / -1; display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.4fr); gap: 1rem 3rem; align-items: start; }
.pilar-ancho .pilar-cab { grid-column: 1; }
.pilar-ancho .pilar-desc { grid-column: 1; }
.pilar-ancho ul { grid-column: 2; grid-row: 1 / span 3; margin: 0; }
.pilar-ancho .mas { grid-column: 1; }
@media (max-width: 800px) { .pilar-ancho { display: flex; } }
.pilar-cab { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: baseline; gap: .2rem 1rem; }
.pilar h3 { margin: 0 0 .3rem; font-size: 1.25rem; }
.pilar h3 a { text-decoration: none; }
.pilar-estrella { font-size: .8rem; color: var(--fg-3); }
.pilar-desc { color: var(--fg-2); font-size: .94rem; margin: .2rem 0 .9rem; }
.pilar ul { list-style: none; padding: 0; margin: 0 0 1rem; flex: 1; }
.pilar li { padding: .45rem 0; border-top: 1px solid var(--line); font-size: .93rem; }
.pilar li a { color: var(--fg); text-decoration: none; }
.pilar li a:hover { color: var(--fg); }
.pilar .mas { font-weight: 700; font-size: .9rem; text-decoration: none; color: var(--brand-2); }
.about-strip { background: var(--bg-2); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.8rem 2rem; text-align: center; }
.about-strip h2 { margin-top: 0; font-size: 1.4rem; }
.about-strip p { margin: 0 auto; color: var(--fg-2); max-width: 64ch; }

/* ---------- Pilar (página de sección) ---------- */
.breadcrumb { font-size: .85rem; color: var(--fg-3); margin: 1.2rem 0 1rem; overflow-wrap: anywhere; }
.breadcrumb a { color: var(--fg-2); text-decoration: none; }
.breadcrumb a:hover { color: var(--brand-2); }
.cat-header { margin: 0 0 2rem; }
.cat-header h1 { max-width: 22ch; }
.lead { font-size: 1.1rem; color: var(--fg-2); max-width: var(--content); }
.inicio { border: 1px solid var(--line); background: var(--bg-2); border-radius: var(--radius); padding: 1.4rem 1.6rem; margin: 0 0 2.2rem; }
.inicio h2 { margin: 0 0 1rem; font-size: 1.05rem; text-transform: uppercase; letter-spacing: .06em; color: var(--fg-3); font-weight: 600; }
.inicio ol { margin: 0; padding: 0; list-style: none; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.2rem; counter-reset: paso; }
.inicio li { counter-increment: paso; position: relative; padding-top: 2.3rem; margin: 0; }
.inicio li::before { content: counter(paso, decimal-leading-zero); position: absolute; top: 0; left: 0; font-weight: 800; font-size: 1.4rem; letter-spacing: -.03em; color: var(--brand); }
.inicio li strong { display: block; font-weight: 600; margin-bottom: .2rem; }
.inicio li span { color: var(--fg-2); font-size: .92rem; }
@media (max-width: 700px) { .inicio ol { grid-template-columns: 1fr; } }
.pilar-tool { display: grid; grid-template-columns: auto 1fr auto; gap: 1.2rem; align-items: center; border: 1px solid var(--brand-line); background: linear-gradient(90deg, var(--brand-soft), transparent 60%), var(--bg-2); border-radius: var(--radius); padding: 1.2rem 1.4rem; margin-bottom: 2.2rem; }
.pilar-tool h2 { margin: 0 0 .2rem; font-size: 1.15rem; }
.pilar-tool p { margin: 0; color: var(--fg-2); font-size: .94rem; }
@media (max-width: 640px) { .pilar-tool { grid-template-columns: 1fr; } }

/* ---------- Artículo ---------- */
.layout { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 3rem; align-items: start; margin-bottom: 3rem; }
@media (max-width: 1000px) { .layout { grid-template-columns: minmax(0, 1fr); gap: 2rem; } .sidebar { max-width: 640px; } }
.post, .post-content, .tool { min-width: 0; }
.post-header { margin-bottom: 1.5rem; }
.post-header h1 { margin: .4rem 0 .8rem; max-width: 24ch; }
.post-meta { display: flex; flex-wrap: wrap; gap: .4rem 1.2rem; font-size: .85rem; color: var(--fg-3); margin-top: 1rem; }
.post-meta a { color: var(--fg-2); }
.post-content { max-width: var(--content); }
.post-content h2 { padding-top: .2rem; }
.post-content img { border-radius: var(--radius-s); }
.pasos { counter-reset: paso; list-style: none; padding: 0; }
.pasos li { counter-increment: paso; position: relative; padding-left: 2.4rem; margin-bottom: .7rem; }
.pasos li::before {
  content: counter(paso); position: absolute; left: 0; top: .1rem; width: 1.7rem; height: 1.7rem; border-radius: 50%;
  background: var(--brand); color: var(--brand-contrast); font-weight: 700; font-size: .85rem; display: grid; place-items: center;
}
.nota { background: var(--bg-2); border: 1px solid var(--line); border-radius: var(--radius-s); padding: .9rem 1.1rem .9rem 2.4rem; margin: 1.2em 0; font-size: .97rem; position: relative; }
.nota::before { content: ""; position: absolute; left: 1rem; top: 1.25rem; width: .55rem; height: .55rem; border-radius: 50%; background: var(--brand); }
.comparacion { border: 1px solid var(--line); border-radius: var(--radius-s); padding: .2rem 1.1rem; margin: 1.2em 0; background: var(--bg-2); }
.comparacion p { margin: .8em 0; }
.video { position: relative; aspect-ratio: 16 / 9; margin: 1.5em 0; border-radius: var(--radius-s); overflow: hidden; background: #000; border: 1px solid var(--line); }
.video iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.toc { margin: 1.5rem 0 2rem; max-width: var(--content); }
.toc details { border: 1px solid var(--line); border-radius: var(--radius-s); background: var(--bg-2); padding: .6rem 1rem; }
.toc summary { cursor: pointer; font-weight: 700; padding: .3rem 0; }
.toc ol { margin: .6rem 0 .3rem; padding-left: 1.3rem; font-size: .93rem; columns: 2; column-gap: 2rem; }
.toc li { break-inside: avoid; margin-bottom: .3rem; }
.toc a { color: var(--fg-2); text-decoration: none; }
.toc summary { color: var(--fg); }
.toc a:hover { color: var(--fg); }
@media (max-width: 640px) { .toc ol { columns: 1; } }
.faq { margin-top: 2.5rem; }
.faq-item { border-top: 1px solid var(--line); padding: 1rem 0 .2rem; }
.faq-item h3 { margin: 0 0 .4rem; font-size: 1.05rem; }
.faq-item p { color: var(--fg-2); }
.post-footer { margin: 2.5rem 0; padding: 1.1rem 1.3rem; background: var(--bg-2); border: 1px solid var(--line); border-radius: var(--radius-s); font-size: .95rem; color: var(--fg-2); }
.post-footer p { margin: 0; }
.relacionados h2 { font-size: 1.35rem; margin-top: 0; }

/* ---------- Sidebar ---------- */
.sidebar { display: flex; flex-direction: column; gap: 1.2rem; position: sticky; top: 1rem; }
@media (max-width: 1000px) { .sidebar { position: static; } }
.widget { border: 1px solid var(--line); border-radius: var(--radius); padding: 1.1rem 1.2rem; background: var(--bg-2); }
.widget h2 { font-size: .78rem; text-transform: uppercase; letter-spacing: .08em; color: var(--fg-3); margin: 0 0 .7rem; font-weight: 600; }
.widget ul { list-style: none; margin: 0; padding: 0; }
.widget li { padding: .4rem 0; border-top: 1px solid var(--line); font-size: .93rem; }
.widget li:first-child { border: 0; }
.widget li a { color: var(--fg); text-decoration: none; }
.widget .mas { color: var(--brand-2); font-weight: 600; font-size: .88rem; text-decoration: none; }
.widget li a:hover { text-decoration: underline; }
.widget-sticky { border: 0; padding: 0; background: none; }

/* ---------- Anuncios ---------- */
.ad-slot { margin: 1.6rem 0; text-align: center; background: var(--bg-2); border: 1px dashed var(--line-2); border-radius: var(--radius-s); padding: .4rem; min-height: 120px; display: flex; flex-direction: column; justify-content: center; }
.ad-label { display: block; font-size: .66rem; text-transform: uppercase; letter-spacing: .1em; color: var(--fg-3); margin-bottom: .3rem; }
.ad-horizontal { min-height: 110px; }
.ad-in-article { min-height: 250px; max-width: var(--content); }
.ad-sidebar { min-height: 280px; margin: 0; }
.ad-top, .ad-bottom { max-width: var(--content); }
.ad-slot ins { display: block; }

/* ---------- Herramientas ---------- */
.tool { margin: 1rem 0 1.5rem; }
.tool-page .post-header h1 { max-width: 30ch; }
.tool-panel, .tool-result { border: 1px solid var(--line); border-radius: var(--radius); background: var(--bg-2); padding: 1.3rem; }
.tool-result { margin-top: 1.2rem; }
.tool-result h2 { margin-top: 0; font-size: 1.25rem; }
.tool-result h2 + h2, .tool-result .tool-acciones + h2 { margin-top: 1.6rem; }
.tool-label, .tool-form label { display: block; font-weight: 600; font-size: .93rem; margin-bottom: .9rem; }
.tool-form label small { display: block; font-weight: 400; color: var(--fg-3); font-size: .82rem; margin-bottom: .3rem; }
.tool-form input[type="text"], .tool-form input[type="number"], .tool-form textarea, .tool-form select,
.tool-panel input[type="number"], .tool-panel select, .tool-panel textarea, .tool-result textarea {
  display: block; width: 100%; margin-top: .3rem; padding: .65rem .8rem; border: 1px solid var(--line-2); border-radius: var(--radius-s);
  background: var(--bg); color: var(--fg); font: inherit; font-size: .97rem; line-height: 1.5;
}
.tool-panel textarea, .tool-result textarea { resize: vertical; min-height: 5rem; }
.tool-panel textarea:focus, .tool-panel input:focus, .tool-panel select:focus, .tool-result textarea:focus { outline: 2px solid var(--brand); outline-offset: 1px; border-color: var(--brand); }
.tool-row { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; }
.tool-row label { margin-bottom: .5rem; }
@media (max-width: 700px) { .tool-row { grid-template-columns: 1fr; } }
.tool-stats { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: .8rem; margin: 1rem 0; }
.tool-stats div { background: var(--bg); border: 1px solid var(--line); border-radius: var(--radius-s); padding: .7rem .9rem; text-align: center; }
.tool-stats strong { display: block; font-size: 1.5rem; letter-spacing: -.03em; }
.tool-stats span { font-size: .75rem; color: var(--fg-3); text-transform: uppercase; letter-spacing: .06em; }
.tool-stats .destacado { border-color: var(--brand-line); background: var(--brand-soft); }
.tool-stats .destacado strong { color: var(--brand-2); }
.tool-presets { display: flex; flex-wrap: wrap; align-items: center; gap: .45rem; margin: .8rem 0 1rem; font-size: .85rem; color: var(--fg-3); }
.tool-checks { border: 1px solid var(--line); border-radius: var(--radius-s); padding: .6rem 1rem .4rem; margin: 0 0 1.1rem; background: var(--bg); }
.tool-checks legend { font-weight: 600; font-size: .9rem; padding: 0 .4rem; }
.check { display: flex !important; align-items: flex-start; gap: .6rem; font-weight: 400 !important; font-size: .95rem; margin-bottom: .5rem !important; }
.check input { margin-top: .3rem; flex: none; accent-color: var(--brand); }
.tool-hint { display: block; font-weight: 400; font-size: .85rem; color: var(--fg-3); margin-top: .35rem; }
.tool-acciones { display: flex; flex-wrap: wrap; gap: .6rem; margin: 1rem 0; }
.tool-nota { font-size: .85rem; color: var(--fg-3); margin: .8rem 0 0; }
.tool-pre { max-height: 480px; font-size: .86rem; white-space: pre-wrap; overflow-wrap: anywhere; }
.tabla-modelos td:nth-child(n+2) { white-space: nowrap; font-variant-numeric: tabular-nums; }
.tabla-modelos .proveedor { font-size: .76rem; color: var(--fg-3); display: block; }
.tabla-modelos .no-cabe { color: var(--brand-2); font-weight: 600; }
.copiado { background: var(--ok) !important; border-color: var(--ok) !important; color: #0a1020 !important; }
.instrucciones ol { padding-left: 1.3rem; }
.instrucciones pre { margin: .5rem 0 1rem; }

/* ---------- Formulario contacto ---------- */
.formulario label { display: block; font-weight: 600; margin-bottom: 1rem; }
.formulario input, .formulario textarea, .formulario select { display: block; width: 100%; margin-top: .3rem; padding: .65rem .8rem; border: 1px solid var(--line-2); border-radius: var(--radius-s); background: var(--bg); color: var(--fg); font: inherit; }
.formulario .check input { width: auto; display: inline; margin: .3rem 0 0; }

/* ---------- 404 ---------- */
.error-404 { text-align: center; padding: 4rem 0; }
.error-404 .lead { margin-inline: auto; }
.error-404 .hero-cta { justify-content: center; }

/* ---------- Pie ---------- */
.site-footer { margin-top: 4rem; border-top: 1px solid var(--line); background: var(--bg); padding: 2.5rem 0 1.5rem; font-size: .92rem; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 2rem; }
@media (max-width: 900px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .footer-grid { grid-template-columns: 1fr; } }
.footer-brand p { color: var(--fg-2); margin-top: .8rem; max-width: 34ch; }
.site-footer h3 { font-size: .76rem; text-transform: uppercase; letter-spacing: .09em; color: var(--fg-3); margin: 0 0 .7rem; font-weight: 600; }
.site-footer ul { list-style: none; margin: 0; padding: 0; }
.site-footer li { margin-bottom: .4rem; }
.site-footer li a { color: var(--fg-2); text-decoration: none; }
.site-footer li a:hover { color: var(--brand-2); }
.footer-copy { margin-top: 2rem; padding-top: 1.2rem; border-top: 1px solid var(--line); color: var(--fg-3); font-size: .8rem; }
.footer-copy p { margin: 0; }

/* ---------- Cookies ---------- */
.cookie-banner {
  position: fixed; left: 16px; right: 16px; bottom: 16px; z-index: var(--z-banner); max-width: 720px; margin-inline: auto;
  background: var(--bg-2); border: 1px solid var(--line-2); border-radius: var(--radius); box-shadow: var(--shadow);
  padding: 1rem 1.2rem; display: flex; flex-wrap: wrap; align-items: center; gap: .8rem 1.2rem; font-size: .9rem;
}
.cookie-banner[hidden] { display: none; }
.cookie-banner p { margin: 0; flex: 1 1 320px; color: var(--fg-2); }
.cookie-botones { display: flex; gap: .5rem; flex-wrap: wrap; }
.cookie-botones .btn { padding: .55rem 1rem; font-size: .88rem; }

@media print { .site-header, .site-footer, .sidebar, .ad-slot, .cookie-banner, .toc { display: none !important; } .layout { display: block; } }

/* ---------- Claridad y personalidad ---------- */
/* Anuncios: se ocultan solos mientras AdSense no sirva nada (antes de la aprobación) */
.ad-slot { display: none; }
.ad-slot:has(ins[data-ad-status="filled"]) { display: flex; }

/* Textura de puntos en la portada (solo en el hero, muy tenue) */
.hero > .wrap { z-index: 1; }

/* Explicación breve dentro de las herramientas */
.tool-explica { margin: 0 0 1rem; color: var(--fg-2); font-size: .95rem; max-width: 70ch; }
th small { display: block; font-weight: 400; color: var(--fg-3); font-size: .72rem; letter-spacing: 0; }

/* Enlaces al glosario: subrayado de puntos, discreto */
a.gl { text-decoration-style: dotted; text-decoration-color: var(--fg-3); text-underline-offset: 3px; }
a.gl:hover { text-decoration-style: solid; }

/* "En 30 segundos" */
.resumen { max-width: var(--content); margin: 0 0 1.6rem; padding: 1.1rem 1.3rem 1rem; border: 1px solid var(--line-2); border-radius: var(--radius-s); background: var(--bg-2); }
.resumen h2 { margin: 0 0 .4rem; font-size: .8rem; text-transform: uppercase; letter-spacing: .08em; color: var(--fg-3); font-weight: 600; }
.resumen p { margin: 0; font-size: 1.02rem; }

/* Glosario */
.glosario { margin: 0; padding: 0; max-width: var(--content); }
.gl-item { padding: 1rem 0; border-top: 1px solid var(--line); scroll-margin-top: 1rem; }
.gl-item:target { background: var(--bg-2); margin-inline: -1rem; padding-inline: 1rem; border-radius: var(--radius-s); border-top-color: transparent; }
.gl-item dt { font-weight: 700; font-size: 1.1rem; letter-spacing: -.01em; margin-bottom: .25rem; }
.gl-item dd { margin: 0; color: var(--fg-2); }
.mini-glosario { margin: 0 0 .8rem; }
.mini-glosario dt { font-weight: 600; font-size: .93rem; margin-top: .55rem; }
.mini-glosario dt a { text-decoration: none; color: var(--fg); }
.mini-glosario dd { margin: 0; color: var(--fg-3); font-size: .85rem; line-height: 1.45; }

/* Primera vez: bloque asimétrico */
.primera-vez { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.5fr); gap: 2rem 3rem; align-items: center; margin: 3.5rem 0; padding: 2rem 2.2rem; border: 1px solid var(--line-2); border-radius: var(--radius); background: var(--bg-2); }
.pv-texto h2 { margin: 0 0 .5rem; font-size: clamp(1.5rem, 1.2rem + 1.4vw, 2.1rem); }
.pv-texto p { margin: 0; color: var(--fg-2); }
.pv-pasos { list-style: none; margin: 0; padding: 0; }
.pv-pasos li { display: flex; gap: 1.1rem; align-items: flex-start; padding: .9rem 0; border-top: 1px solid var(--line); margin: 0; }
.pv-pasos li:first-child { border-top: 0; padding-top: 0; }
.pv-pasos li:last-child { padding-bottom: 0; }
.pv-num { font-weight: 800; font-size: 1.5rem; letter-spacing: -.04em; color: var(--brand); line-height: 1; flex: none; width: 2.2rem; padding-top: .15rem; }
.pv-pasos a { font-weight: 600; text-decoration: none; font-size: 1.05rem; letter-spacing: -.01em; display: block; color: var(--fg); }
.pv-pasos a:hover { text-decoration: underline; }
.pv-pasos small { color: var(--fg-3); font-size: .82rem; }
@media (max-width: 800px) { .primera-vez { grid-template-columns: 1fr; padding: 1.5rem 1.3rem; } }

/* Iconos de pilar */
.pilar-icono { display: inline-grid; place-items: center; color: var(--brand); }
.pilar h3 { display: flex; align-items: center; gap: .6rem; }
.pilar h3 .pilar-icono svg { width: 26px; height: 26px; }
.cat-header-icono { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 1.4rem; align-items: start; }
.cat-header-icono .pilar-icono { width: 64px; height: 64px; border: 1px solid var(--brand-line); border-radius: 16px; background: var(--brand-soft); }
.cat-header-icono .pilar-icono svg { width: 36px; height: 36px; }
@media (max-width: 600px) { .cat-header-icono { grid-template-columns: 1fr; } }

/* Quién escribe esto */
.autor-strip { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 1.4rem; align-items: center; margin: 3.5rem 0 0; padding: 1.8rem 2rem; border: 1px solid var(--line); border-radius: var(--radius); background: var(--bg-2); }
.autor-avatar { width: 72px; height: 72px; border-radius: 50%; display: grid; place-items: center; background: var(--brand); color: var(--brand-contrast); font-weight: 800; font-size: 1.3rem; letter-spacing: -.04em; }
.autor-strip h2 { margin: 0 0 .4rem; font-size: 1.25rem; }
.autor-strip p { margin: 0; color: var(--fg-2); max-width: 70ch; }
@media (max-width: 600px) { .autor-strip { grid-template-columns: 1fr; } }

/* Menú: con etiquetas más largas, el menú móvil entra antes */
@media (max-width: 1040px) {
  .nav-toggle { display: flex; }
  .nav { display: none; position: absolute; left: 0; right: 0; top: 100%; background: var(--bg); border-bottom: 1px solid var(--line); box-shadow: var(--shadow); }
  .nav.abierto { display: block; }
  .nav ul { flex-direction: column; align-items: stretch; padding: .6rem 16px 1rem; gap: .1rem; }
  .nav a { padding: .8rem .9rem; border-radius: 10px; font-size: 1.02rem; }
  .nav a[data-destacado] { margin: .4rem 0 0; text-align: center; }
}

/* ---------- Bento de herramientas y FAQ desplegable ---------- */
.bento { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; }
.bento .card-tool:nth-child(1) { grid-column: span 2; }
.bento .card-tool:nth-child(4) { grid-column: span 2; }
.bento .card-tool:nth-child(1) .card-title, .bento .card-tool:nth-child(4) .card-title { font-size: 1.25rem; }
@media (max-width: 900px) { .bento { grid-template-columns: repeat(2, minmax(0, 1fr)); } .bento .card-tool:nth-child(1), .bento .card-tool:nth-child(4) { grid-column: span 2; } }
@media (max-width: 600px) { .bento { grid-template-columns: minmax(0, 1fr); } .bento .card-tool:nth-child(1), .bento .card-tool:nth-child(4) { grid-column: auto; } }

details.faq-item { border-top: 1px solid var(--line); padding: 0; }
details.faq-item summary { list-style: none; cursor: pointer; display: flex; justify-content: space-between; align-items: center; gap: 1rem; padding: 1rem 0; }
details.faq-item summary::-webkit-details-marker { display: none; }
details.faq-item summary h3 { margin: 0; font-size: 1.05rem; }
details.faq-item summary::after { content: "+"; flex: none; width: 28px; height: 28px; border-radius: 50%; border: 1px solid var(--line-2); display: grid; place-items: center; color: var(--fg-2); font-weight: 600; transition: transform .2s cubic-bezier(.22, 1, .36, 1), background .15s; }
details.faq-item[open] summary::after { transform: rotate(45deg); background: var(--brand-soft); border-color: var(--brand-line); color: var(--brand-2); }
details.faq-item summary:hover h3 { color: var(--brand-2); }
details.faq-item p { margin: -.2rem 0 1.1rem; color: var(--fg-2); padding-right: 3rem; }
@media (prefers-reduced-motion: reduce) { details.faq-item summary::after { transition: none; } }
.hero-visual { position: relative; }
.hero-visual .marco-etiqueta { position: absolute; top: -14px; right: 18px; background: var(--bg-2); border: 1px solid var(--brand-line); color: var(--fg); font-size: .78rem; font-weight: 600; padding: .35rem .8rem; border-radius: 999px; z-index: 2; display: inline-flex; align-items: center; gap: .4rem; }
.hero-visual .marco-etiqueta::before { content: ""; width: .5rem; height: .5rem; border-radius: 50%; background: var(--ok); box-shadow: 0 0 0 3px rgba(52, 211, 153, .2); }

/* Versión compacta del contador en la portada */
.hero-grid { align-items: start; }
.hero-texto { padding-top: clamp(0rem, 3vw, 2.5rem); }
.marco .tool-explica, .marco .tool-row, .marco .tool-presets { display: none; }
.marco .tool-label { font-size: .88rem; margin-bottom: .5rem; }
.marco textarea { min-height: 4.6rem; max-height: 6rem; font-size: .92rem; }
.marco .tool-stats { margin: .8rem 0; gap: .6rem; }
.marco .tool-stats div { padding: .5rem .6rem; }
.marco .tool-stats span { font-size: .68rem; }
.marco .tabla-scroll { max-height: 176px; }
.marco .tabla-modelos { font-size: .85rem; }
.marco .tabla-modelos th, .marco .tabla-modelos td { padding: .45rem .55rem; }
.marco .tool-nota { display: none; }
.marco .marco-barra { margin-bottom: .8rem; padding-bottom: .7rem; }
.pilar h3 a { color: var(--fg); }
.pilar h3 a:hover { color: var(--brand-2); }
.lista-arts .card-cat { justify-self: start; }
.marco .tabla-scroll { max-height: 215px; }
.marco .tabla-modelos th small { display: none; }

/* ---------- Funciones: lista + vista previa ---------- */
.showcase { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr); gap: 1.2rem; align-items: start; }
@media (max-width: 900px) { .showcase { grid-template-columns: 1fr; } }
.sc-list { display: flex; flex-direction: column; gap: .8rem; }
.sc-item { text-align: left; width: 100%; background: var(--bg-2); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.1rem 1.3rem; display: grid; grid-template-columns: auto minmax(0, 1fr); gap: .3rem 1rem; align-items: center; cursor: pointer; font: inherit; color: var(--fg); transition: border-color .15s, box-shadow .15s; }
.sc-item:hover { border-color: var(--line-2); }
.sc-item[aria-expanded="true"] { border-color: var(--brand-line); box-shadow: 0 0 0 1px var(--brand-soft), 0 20px 50px -30px var(--glow); cursor: default; }
.sc-item .tool-icon { width: 44px; height: 44px; grid-row: 1 / span 2; }
.sc-item[aria-expanded="false"] .tool-icon { background: var(--bg-3); color: var(--fg-2); border-color: var(--line); grid-row: 1; }
.sc-kicker { font-size: .82rem; font-weight: 700; color: var(--brand-2); }
.sc-item h3 { margin: 0; font-size: 1.1rem; letter-spacing: -.01em; }
.sc-item[aria-expanded="false"] h3 { color: var(--fg-2); font-weight: 600; }
.sc-more { grid-column: 2; display: grid; gap: .8rem; margin-top: .5rem; }
.sc-item[aria-expanded="false"] .sc-more, .sc-item[aria-expanded="false"] .sc-kicker { display: none; }
.sc-more p { margin: 0; color: var(--fg-2); font-size: .95rem; }
.sc-pill { display: inline-flex; align-items: center; gap: .5rem; justify-self: start; padding: .5rem .9rem; border-radius: 10px; background: rgba(52, 211, 153, .12); border: 1px solid rgba(52, 211, 153, .3); color: var(--ok); font-size: .88rem; font-weight: 600; }
.sc-pill::before { content: "\2713"; font-size: .75rem; width: 1.1rem; height: 1.1rem; border-radius: 50%; background: var(--ok); color: var(--bg); display: grid; place-items: center; }
.sc-more .card-link { justify-self: start; }
.sc-preview { position: relative; }
.sc-panel { background: var(--bg-2); border: 1px solid var(--line-2); border-radius: 20px; overflow: hidden; box-shadow: 0 30px 80px -40px rgba(0,0,0,.8), 0 0 0 1px var(--brand-soft), 0 0 60px -20px var(--glow); }
.sc-panel[hidden] { display: none; }
.sc-head { display: flex; align-items: center; gap: .8rem; padding: 1rem 1.3rem; border-bottom: 1px solid var(--line); }
.sc-head .tool-icon { width: 36px; height: 36px; border-radius: 10px; }
.sc-head strong { flex: 1; font-size: 1rem; }
.sc-live { font-size: .8rem; color: var(--fg-2); display: inline-flex; align-items: center; gap: .4rem; }
.sc-live::before { content: ""; width: .5rem; height: .5rem; border-radius: 50%; background: var(--ok); box-shadow: 0 0 0 3px rgba(52, 211, 153, .2); }
.sc-body { padding: 1.2rem 1.3rem; }
.sc-sub { display: flex; align-items: center; gap: .5rem; color: var(--brand-2); font-weight: 600; font-size: .92rem; margin: 0 0 .9rem; }
.sc-rows { list-style: none; margin: 0; padding: 0; display: grid; gap: .6rem; }
.sc-row { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; gap: .9rem; align-items: center; background: var(--bg); border: 1px solid var(--line); border-radius: 12px; padding: .85rem 1rem; }
.sc-num { width: 28px; height: 28px; border-radius: 50%; background: var(--brand-soft); border: 1px solid var(--brand-line); color: var(--brand-2); font-weight: 700; font-size: .85rem; display: grid; place-items: center; }
.sc-row strong { display: block; font-size: .98rem; letter-spacing: -.01em; }
.sc-row span { display: block; color: var(--fg-3); font-size: .85rem; }
.sc-row code { font-size: .82em; }
.tag { display: inline-block; padding: .2em .6em; border-radius: 999px; font-size: .74rem; font-weight: 700; white-space: nowrap; border: 1px solid transparent; }
.tag-verde { background: rgba(52, 211, 153, .12); color: var(--ok); border-color: rgba(52, 211, 153, .3); }
.tag-ambar { background: rgba(251, 191, 36, .12); color: #fbbf24; border-color: rgba(251, 191, 36, .3); }
.tag-rojo { background: rgba(248, 113, 113, .12); color: #f87171; border-color: rgba(248, 113, 113, .3); }
.tag-azul { background: var(--brand-soft); color: var(--brand-2); border-color: var(--brand-line); }
.sc-foot { margin: 1rem 0 0; padding: .75rem 1rem; border-radius: 12px; background: var(--brand-soft); border: 1px solid var(--brand-line); color: var(--brand-2); font-size: .9rem; font-weight: 600; display: flex; align-items: center; gap: .5rem; }
.sc-glosario { margin: 1.2rem 0 0; color: var(--fg-2); font-size: .95rem; }
.sc-row .sc-num { display: grid; color: var(--brand-2); font-size: .85rem; line-height: 1; }

/* ---------- Pie en una fila ---------- */
.site-footer { padding: 2.2rem 0 1.4rem; }
.footer-fila { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 1.5rem; }
.footer-nav { display: flex; flex-wrap: wrap; justify-content: center; gap: .2rem 1.6rem; }
.footer-nav a { color: var(--fg-2); text-decoration: none; font-size: .95rem; font-weight: 500; }
.footer-nav a:hover { color: var(--fg); }
.footer-copy { margin: 0; text-align: right; color: var(--fg-3); font-size: .9rem; border: 0; padding: 0; }
.footer-legal { margin-top: 1.4rem; color: var(--fg-3); font-size: .78rem; text-align: center; }
.footer-legal p { margin: 0; }
@media (max-width: 900px) {
  .footer-fila { grid-template-columns: 1fr; text-align: center; gap: 1rem; }
  .footer-fila .logo { justify-content: center; }
  .footer-copy { text-align: center; }
}

.logo em { font-style: normal; color: var(--brand); }
.autor-avatar { font-size: 1.1rem; }

/* ---------- Directorio de skills y ejemplos ---------- */
.filtros { margin: 0 0 1.4rem; }
.chip.activo { background: var(--brand); border-color: var(--brand); color: var(--brand-contrast); }
.card-ficha .card-meta { margin-top: .5rem; }
.ficha-datos dl { margin: 0; display: grid; grid-template-columns: auto minmax(0, 1fr); gap: .35rem 1rem; font-size: .95rem; }
.ficha-datos dt { color: var(--fg-3); font-weight: 600; }
.ficha-datos dd { margin: 0; }
@media (max-width: 520px) { .ficha-datos dl { grid-template-columns: 1fr; gap: .1rem; } .ficha-datos dd { margin-bottom: .5rem; } }
.ejemplo-skill { padding: 1.4rem 1.5rem; border: 1px solid var(--line-2); border-radius: var(--radius); background: var(--bg-2); margin: 0 0 1.6rem; scroll-margin-top: 1rem; }
.ejemplo-skill h2 { margin-top: 0; }
.ejemplo-skill .lead { font-size: 1.02rem; }
.ver-skill { margin-top: .6rem; }
.ver-skill summary { cursor: pointer; color: var(--brand-2); font-weight: 600; font-size: .92rem; }
.ver-skill pre { margin-top: .8rem; }

/* ---------- Color por categoría (etiquetas, iconos) ---------- */
.card-cat, .sc-kicker { color: var(--cat, var(--brand-2)); background: color-mix(in srgb, var(--cat, var(--brand)) 14%, transparent); border: 1px solid color-mix(in srgb, var(--cat, var(--brand)) 32%, transparent); }
.sc-kicker { background: none; border: 0; }
.pilar-icono, .cat-header-icono .pilar-icono, .tool-icon { color: var(--cat, var(--brand)); background: color-mix(in srgb, var(--cat, var(--brand)) 12%, transparent); border-color: color-mix(in srgb, var(--cat, var(--brand)) 35%, transparent); }
.pilar h3 .pilar-icono { background: none; border: 0; }
.pilar-tool { border-color: color-mix(in srgb, var(--cat, var(--brand)) 35%, transparent); background: linear-gradient(90deg, color-mix(in srgb, var(--cat, var(--brand)) 10%, transparent), transparent 60%), var(--bg-2); }
.card:hover { border-color: color-mix(in srgb, var(--cat, var(--brand)) 45%, transparent); }
.pilar .mas { color: var(--cat, var(--brand-2)); }
.inicio li::before { color: var(--cat, var(--brand)); }
.post-header .card-cat { margin-bottom: .2rem; }

/* ---------- Botones con icono ---------- */
.btn-flecha { display: inline-block; transition: transform .2s cubic-bezier(.22, 1, .36, 1); }
.btn:hover .btn-flecha { transform: translateX(3px); }
.btn-ico { width: 22px; height: 22px; border-radius: 50%; display: inline-grid; place-items: center; background: var(--brand-soft); color: var(--brand-2); border: 1px solid var(--brand-line); margin-right: .2rem; }
.btn-secundario { padding-left: 1.1rem; }
@media (prefers-reduced-motion: reduce) { .btn-flecha { transition: none; } }

/* ---------- Portada compacta ---------- */
.funciona-con span { display: inline-flex; align-items: center; gap: .4rem; }
.funciona-con svg { color: var(--fg-3); }
.sec-fila { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: .8rem; }
@media (max-width: 1000px) { .sec-fila { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (max-width: 620px) { .sec-fila { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 400px) { .sec-fila { grid-template-columns: minmax(0, 1fr); } }
.sec-card { display: flex; flex-direction: column; gap: .35rem; padding: 1.1rem 1.1rem 1rem; background: var(--bg-2); border: 1px solid var(--line); border-radius: var(--radius); text-decoration: none; color: var(--fg); transition: border-color .15s, transform .15s; min-width: 0; }
.sec-card:hover { border-color: color-mix(in srgb, var(--cat, var(--brand)) 45%, transparent); transform: translateY(-2px); text-decoration: none; }
.sec-card .pilar-icono { width: 40px; height: 40px; border-radius: 11px; border: 1px solid; margin-bottom: .3rem; }
.sec-card .pilar-icono svg { width: 24px; height: 24px; }
.sec-card strong { font-size: 1rem; letter-spacing: -.01em; line-height: 1.25; }
.sec-card span:last-child { color: var(--fg-2); font-size: .86rem; line-height: 1.45; }
.lista-arts-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); }
.lista-arts-2 li { border-top: 0; border-bottom: 1px solid var(--line); }
.lista-arts-2 li:nth-child(odd) { border-right: 1px solid var(--line); }
.lista-arts-2 li:nth-last-child(-n+2) { border-bottom: 0; }
@media (max-width: 700px) { .lista-arts-2 { grid-template-columns: 1fr; } .lista-arts-2 li { border-right: 0 !important; } .lista-arts-2 li:nth-last-child(2) { border-bottom: 1px solid var(--line); } }
.pv-linea { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: .6rem 1.4rem; width: fit-content; max-width: 100%; margin: 2.2rem auto 0; padding: .9rem 1.3rem; border: 1px solid var(--line); border-radius: 999px; background: var(--bg-2); font-size: .95rem; }
.pv-linea strong { white-space: nowrap; }
.pv-linea ol { display: flex; flex-wrap: wrap; justify-content: center; gap: .4rem 1.2rem; margin: 0; padding: 0; list-style: none; counter-reset: paso; }
.pv-linea li { counter-increment: paso; margin: 0; display: inline-flex; align-items: center; gap: .45rem; }
.pv-linea li::before { content: counter(paso); width: 1.35rem; height: 1.35rem; border-radius: 50%; background: var(--brand-soft); border: 1px solid var(--brand-line); color: var(--brand-2); font-size: .72rem; font-weight: 700; display: grid; place-items: center; }
.pv-linea a { color: var(--fg); text-decoration: none; font-weight: 600; }
.pv-linea a:hover { color: var(--brand-2); }
@media (max-width: 620px) { .pv-linea { border-radius: var(--radius); } }

.descargas-inline { white-space: nowrap; font-size: .9em; }
.descargas-inline a { font-weight: 600; }

/* ---------- Biblioteca de prompts ---------- */
.filtros-barra { display: grid; gap: .8rem; margin: 0 0 1.4rem; }
.busca { width: 100%; padding: .8rem 1rem; border: 1px solid var(--line-2); border-radius: 999px; background: var(--bg-2); color: var(--fg); font: inherit; font-size: 1rem; }
.busca:focus { outline: 2px solid var(--brand); outline-offset: 1px; border-color: var(--brand); }
.prompt-card { gap: .6rem; }
.prompt-card .prompt-titulo { margin: 0; font-size: 1.1rem; letter-spacing: -.01em; }
.prompt-card .prompt-texto { margin: 0; color: var(--fg-2); font-size: .93rem; line-height: 1.55; white-space: pre-wrap; }
.prompt-acciones { margin: .4rem 0 0; gap: .5rem; }
.btn-mini { padding: .5rem .95rem; font-size: .85rem; }
.sin-resultados { color: var(--fg-2); padding: 1.5rem; text-align: center; border: 1px dashed var(--line-2); border-radius: var(--radius); }

.tabla-comandos td:first-child { white-space: nowrap; }
.tabla-comandos code { font-size: .86em; }
@media print { .tool-acciones, .resumen { display: none !important; } }

/* ---------- Columna única centrada (sin barra lateral) ---------- */
.layout { display: block; max-width: 800px; margin: 0 auto 3rem; }
.sidebar { display: none; }
.post-content, .resumen, .toc, .ad-in-article, .ad-top, .ad-bottom, .lead { max-width: none; }
.post-header { text-align: center; }
.post-header h1 { margin-inline: auto; max-width: 22ch; }
.post-header .lead { margin-inline: auto; max-width: 62ch; }
.post-header .card-cat { align-self: center; }
.post-meta { justify-content: center; }
.post > .tool-acciones { justify-content: center; }
.cat-header { text-align: center; }
.cat-header h1, .cat-header .lead { margin-inline: auto; }
.cat-header-icono { display: flex; flex-direction: column; align-items: center; gap: 1rem; }
.seccion-centro { text-align: center; display: block; }
.inicio h2 { text-align: center; }
.filtros { justify-content: center; }
.filtros-barra .busca { max-width: 640px; margin-inline: auto; }
.grid-centrada { display: flex; flex-wrap: wrap; justify-content: center; gap: 1rem; }
.grid-centrada > .card { flex: 1 1 300px; max-width: 380px; }
.relacionados h2 { text-align: center; }
.recursos-fin { max-width: 800px; margin: 2.5rem auto 0; padding: 1.4rem 1.5rem; border: 1px solid var(--line); border-radius: var(--radius); background: var(--bg-2); display: grid; gap: 1.2rem; }
.recursos-fin h2 { font-size: .78rem; text-transform: uppercase; letter-spacing: .08em; color: var(--fg-3); margin: 0 0 .6rem; font-weight: 600; }
.chips { display: flex; flex-wrap: wrap; gap: .5rem; }
.chip-recurso { text-decoration: none; color: var(--fg); background: var(--bg); }
.chip-recurso:hover { border-color: var(--brand); color: var(--brand-2); }
.tool-page .tool { max-width: none; }
.sc-glosario { text-align: center; }
.ejemplo-skill .tool-acciones, .tool-page .tool-acciones { justify-content: flex-start; }
@media (max-width: 1000px) { .layout { max-width: 800px; } }

/* ---------- Imágenes ---------- */
.sec-img { width: 100%; height: auto; aspect-ratio: 16 / 10; object-fit: cover; object-position: center; border-radius: 10px; margin-bottom: .5rem; background: #0f1a2e; flex: none; }
.cat-img { width: 132px; height: 132px; object-fit: cover; border-radius: 22px; border: 1px solid var(--line-2); }
.cat-header-icono { align-items: center; }

.cat-aqui { max-width: 66ch; margin: .6rem auto 0; color: var(--fg-2); font-size: 1rem; }

/* ---------- Ilustraciones de artículo, hub y herramienta ---------- */
.post-portada { margin: 0 0 1.6rem; }
.post-portada img { display: block; width: 100%; height: auto; aspect-ratio: 16 / 9; object-fit: cover; border-radius: var(--radius); border: 1px solid var(--line); background: #0f1a2e; }
.hub-img { display: block; width: min(100%, 560px); height: auto; aspect-ratio: 16 / 9; object-fit: cover; border-radius: var(--radius); border: 1px solid var(--line); margin: 0 auto 1.2rem; background: #0f1a2e; }
.card-tool:has(.card-img) { flex-wrap: wrap; }
.card-tool .card-img { flex: 0 0 100%; }
.card-img { display: block; width: 100%; height: auto; aspect-ratio: 16 / 9; object-fit: cover; border-radius: 10px; margin-bottom: .7rem; background: #0f1a2e; }

/* ---------- Iconos estilo neón (como la miniatura) ---------- */
.tool-icon, .cat-header-icono .pilar-icono, .sec-card .pilar-icono, .pilar h3 .pilar-icono, .marca-ico {
  position: relative; color: #fff; border: 0; overflow: visible; isolation: isolate;
  background: linear-gradient(180deg, color-mix(in srgb, var(--cat, var(--brand)) 72%, #fff) 0%, var(--cat, var(--brand)) 52%, color-mix(in srgb, var(--cat, var(--brand)) 68%, #000) 100%);
  box-shadow: 0 0 0 1.5px rgba(255,255,255,.42) inset, 0 0 0 3px color-mix(in srgb, var(--cat, var(--brand)) 40%, transparent) inset,
              0 0 12px color-mix(in srgb, var(--cat, var(--brand)) 70%, transparent), 0 0 28px color-mix(in srgb, var(--cat, var(--brand)) 38%, transparent),
              0 8px 16px -8px rgba(0,0,0,.8);
}
.tool-icon::before, .cat-header-icono .pilar-icono::before, .sec-card .pilar-icono::before, .pilar h3 .pilar-icono::before, .marca-ico::before {
  content: ""; position: absolute; inset: 0; border-radius: inherit; pointer-events: none; z-index: 0;
  background: linear-gradient(180deg, rgba(255,255,255,.30) 0%, rgba(255,255,255,.05) 44%, rgba(255,255,255,0) 50%, rgba(0,0,0,.18) 100%);
}
.tool-icon svg, .cat-header-icono .pilar-icono svg, .sec-card .pilar-icono svg, .pilar h3 .pilar-icono svg, .marca-ico svg {
  position: relative; z-index: 1; color: #fff; filter: drop-shadow(0 0 3px rgba(255,255,255,.85)) drop-shadow(0 0 8px rgba(255,255,255,.35));
}
.pilar h3 .pilar-icono { width: 34px; height: 34px; border-radius: 9px; margin-right: .3rem; }
.pilar h3 .pilar-icono svg { width: 20px; height: 20px; }
  box-shadow: 0 0 0 1.5px rgba(255,255,255,.55) inset, 0 0 10px color-mix(in srgb, var(--cat, var(--brand)) 45%, transparent), 0 0 22px color-mix(in srgb, var(--cat, var(--brand)) 22%, transparent), 0 6px 14px -8px rgba(0,0,0,.35);
}
/* elementos plegados del bloque de funciones: gris, sin brillo */
.sc-item[aria-expanded="false"] .tool-icon { background: var(--bg-3); color: var(--fg-2); box-shadow: none; }
.sc-item[aria-expanded="false"] .tool-icon::before { display: none; }
.sc-item[aria-expanded="false"] .tool-icon svg { color: var(--fg-2); filter: none; }
/* "Funciona con": logos en tiles pequeños con el color de cada marca */
.marca-ico { display: inline-grid; place-items: center; width: 26px; height: 26px; border-radius: 7px; }
.marca-ico svg { width: 15px; height: 15px; }
.funciona-con span { gap: .5rem; }

/* ---------- Imágenes e iconos al lado del texto, no encima ---------- */
/* portada: tarjetas de sección en fila (icono | texto) */
.sec-card { flex-direction: row; align-items: flex-start; gap: .9rem; text-align: left; }
.sec-card .pilar-icono { width: 44px; height: 44px; border-radius: 12px; margin: 0; flex: none; }
.sec-card .pilar-icono svg { width: 24px; height: 24px; }
.sec-card .sec-texto { display: flex; flex-direction: column; gap: .3rem; min-width: 0; }
.sec-fila { grid-template-columns: repeat(3, minmax(0, 1fr)); }
@media (max-width: 760px) { .sec-fila { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 460px) { .sec-fila { grid-template-columns: minmax(0, 1fr); } }
/* hubs: ilustración a la izquierda del título */
.cat-header:has(.hub-img), .post-header:has(.hub-img) { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: 1.6rem; align-items: center; text-align: left; }
.cat-header:has(.hub-img) h1, .cat-header:has(.hub-img) .lead, .post-header:has(.hub-img) h1, .post-header:has(.hub-img) .lead { margin-inline: 0; }
.post-header:has(.hub-img) .card-cat { align-self: start; }
.hub-img { width: 220px; margin: 0; grid-row: 1 / span 4; }
/* secciones: imagen a la izquierda del título */
.cat-header-icono { flex-direction: row; align-items: flex-start; text-align: left; gap: 1.8rem; }
.cat-header-icono .cat-img { width: 180px; height: 180px; border-radius: 24px; flex: none; margin-top: .4rem; }
.cat-header-icono h1, .cat-header-icono .lead, .cat-header-icono .cat-aqui { margin-inline: 0; }
/* artículos: portada a la derecha del título */
.post-header.con-portada { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 1.6rem; align-items: center; text-align: left; }
.post-header.con-portada h1, .post-header.con-portada .lead { margin-inline: 0; }
.post-header.con-portada .card-cat { align-self: start; }
.post-header.con-portada .post-portada { margin: 0; }
@media (max-width: 720px) {
  .cat-header:has(.hub-img), .post-header:has(.hub-img), .post-header.con-portada { grid-template-columns: minmax(0, 1fr); }
  .hub-img { width: min(100%, 320px); grid-row: auto; }
  .cat-header-icono { flex-direction: column; text-align: center; align-items: center; }
  .cat-header-icono h1, .cat-header-icono .lead, .cat-header-icono .cat-aqui { margin-inline: auto; }
  .post-header.con-portada .post-portada { order: -1; }
}
/* logos de apps junto a la etiqueta del artículo */
.post-etiquetas { display: inline-flex; align-items: center; gap: .55rem; flex-wrap: wrap; }
.post-apps { display: inline-flex; align-items: center; gap: .35rem; }
.post-header .post-etiquetas .card-cat { margin-bottom: 0; }

/* ---------- Logos grandes en cabeceras (en vez de ilustraciones) ---------- */
.hub-logos { display: flex; align-items: center; justify-content: center; gap: .9rem; flex-wrap: wrap; flex: none; }
.marca-ico.marca-grande { width: 96px; height: 96px; border-radius: 26px; }
.marca-ico.marca-grande svg { width: 52px; height: 52px; }
.hub-logos:has(.marca-grande:nth-child(3)) .marca-grande { width: 80px; height: 80px; border-radius: 22px; }
.hub-logos:has(.marca-grande:nth-child(3)) .marca-grande svg { width: 44px; height: 44px; }
.cat-header:has(.hub-logos), .post-header:has(.hub-logos) { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 1.8rem; align-items: start; text-align: left; }
.cat-header .hub-logos, .post-header .hub-logos { margin-top: .5rem; }
.cat-header:has(.hub-logos) h1, .cat-header:has(.hub-logos) .lead, .post-header:has(.hub-logos) h1, .post-header:has(.hub-logos) .lead { margin-inline: 0; }
.post-header:has(.hub-logos) .card-cat { align-self: start; }
.hub-logos { grid-row: 1 / span 4; }
.cat-header-icono .hub-logos { grid-row: auto; }
.post-header.con-portada { grid-template-columns: minmax(0, 1fr) auto; }
.post-header.con-portada .post-portada { margin: 0; }
@media (max-width: 720px) {
  .cat-header:has(.hub-logos), .post-header:has(.hub-logos) { grid-template-columns: minmax(0, 1fr); }
  .hub-logos { grid-row: auto; justify-content: flex-start; }
  .post-header.con-portada .post-portada { order: -1; }
}
/* Antigravity: tile con el degradado de su logo (azul → verde → naranja → rojo), glifo blanco */
.marca-ico[data-marca="Antigravity"] { background: linear-gradient(180deg, #1c1f26 0%, #111318 100%); }
.marca-ico[data-marca="Antigravity"] svg { stroke-width: 4.2; filter: drop-shadow(0 0 3px rgba(61,160,255,.7)) drop-shadow(0 0 8px rgba(61,160,255,.35)); }
/* contador: etiquetas de más barato / más caro */
.ct-etq { display: inline-block; margin-left: .45rem; font-size: .68rem; font-weight: 700; padding: .1rem .45rem; border-radius: 999px; vertical-align: middle; }
.ct-etq.barato { color: var(--ok); background: color-mix(in srgb, var(--ok) 14%, transparent); border: 1px solid color-mix(in srgb, var(--ok) 35%, transparent); }
.ct-etq.caro { color: #f87171; background: rgba(248,113,113,.12); border: 1px solid rgba(248,113,113,.35); }
.fila-barata td { background: color-mix(in srgb, var(--ok) 6%, transparent); }
/* contador: nombre del modelo en una línea, notas al pie */
#ct-tabla td:first-child, #ct-tabla th:first-child { white-space: nowrap; }
#ct-tabla td:first-child .proveedor { white-space: normal; }
.ct-nota-ref { text-decoration: none; color: var(--brand-2); margin-left: .15rem; cursor: help; }
/* portada: logos de marca en las tarjetas de sección */
.sec-card .sec-logos { display: flex; gap: .4rem; flex: none; }
.sec-card .sec-logos .marca-ico { width: 44px; height: 44px; border-radius: 12px; }
.sec-card .sec-logos .marca-ico svg { width: 24px; height: 24px; }
/* artículo: logos junto a la etiqueta, un poco más grandes */
.post-apps .marca-ico { width: 30px; height: 30px; border-radius: 8px; }
.post-apps .marca-ico svg { width: 17px; height: 17px; }

/* ---------- Tema claro: botón y ajustes ---------- */
.tema-toggle { width: 38px; height: 38px; border-radius: 999px; border: 1px solid var(--line-2); background: transparent; color: var(--fg-2); cursor: pointer; display: grid; place-items: center; }
.tema-toggle:hover { color: var(--fg); border-color: var(--fg-3); }
.tema-toggle .sol { display: none; }
:root[data-theme="light"] .tema-toggle .sol { display: block; }
:root[data-theme="light"] .tema-toggle .luna { display: none; }
:root[data-theme="light"] .tag-ambar { color: #b45309; }
:root[data-theme="light"] .tag-rojo { color: #b91c1c; }
:root[data-theme="light"] .card-cat { color: color-mix(in srgb, var(--cat, var(--brand)) 62%, #000); }
:root[data-theme="light"] .pilar .mas { color: color-mix(in srgb, var(--cat, var(--brand)) 65%, #000); }
:root[data-theme="light"] .pilar-icono, :root[data-theme="light"] .tool-icon, :root[data-theme="light"] .marca-ico { color: #fff; }
:root[data-theme="light"] .tool-icon, :root[data-theme="light"] .cat-header-icono .pilar-icono, :root[data-theme="light"] .sec-card .pilar-icono, :root[data-theme="light"] .pilar h3 .pilar-icono, :root[data-theme="light"] .marca-ico {
  box-shadow: 0 0 0 1.5px rgba(255,255,255,.55) inset, 0 0 10px color-mix(in srgb, var(--cat, var(--brand)) 45%, transparent), 0 0 22px color-mix(in srgb, var(--cat, var(--brand)) 22%, transparent), 0 6px 14px -8px rgba(0,0,0,.35);
}
:root[data-theme="light"] .logo-mark { box-shadow: 0 0 0 1px rgba(255,255,255,.5) inset, 0 0 8px rgba(2,132,199,.45), 0 0 16px rgba(2,132,199,.2); }
