/* ============================================================
   Sistema de cursos — hoja de estilos única
   Paleta sobria: azul marino + un solo acento. Tipografía
   autoalojada (sin peticiones a terceros, mejor LCP).
   ============================================================ */

/* --- Tipografía autoalojada. Variable: un archivo cubre 400-800 --- */
@font-face{
  font-family:'Jakarta';
  src:url('../fonts/jakarta-latin.woff2') format('woff2');
  font-weight:400 800; font-style:normal; font-display:swap;
  unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;
}
@font-face{
  font-family:'Jakarta';
  src:url('../fonts/jakarta-latin-ext.woff2') format('woff2');
  font-weight:400 800; font-style:normal; font-display:swap;
  unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF;
}
/* Fallback ajustado: evita el salto de maquetación mientras carga la fuente */
@font-face{
  font-family:'JakartaFallback';
  src:local('Segoe UI'),local('Helvetica Neue'),local('Arial');
  size-adjust:105%; ascent-override:96%; descent-override:24%; line-gap-override:0%;
}

:root{
  /* estructura */
  --ink:#0c111d; --ink-2:#344054; --muted:#667085;
  --line:#e7eaf0; --line-2:#eef1f6;
  --bg:#fbfbfd; --white:#fff;
  --dark:#101828; --dark-2:#1b2a4e;

  /* marca: un solo azul, sin estridencias */
  --brand:#2f6fed; --brand-dark:#1d51c4; --brand-light:#eef4ff;
  --brand-deep:#1b2a5b;

  /* naranja de marca: acción y ofertas */
  --accent:#c2410c; --accent-dark:#9a3412; --accent-bright:#f97316;
  --accent-light:#fff4ed; --accent-border:#fdd0a8;

  /* señales, en tono apagado */
  --ok:#067647; --ok-bg:#ecfdf3;
  --warn:#b54708; --warn-bg:#fffaeb;
  --err:#b42318; --err-bg:#fef3f2;
  --wa:#188f47;

  --radius:14px;
  --shadow:0 1px 2px rgba(16,24,40,.05);
  --shadow-md:0 4px 12px rgba(16,24,40,.07);
  --shadow-lg:0 14px 34px rgba(16,24,40,.10);
  --max:1180px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:'Jakarta','JakartaFallback',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;
  font-size:16px;line-height:1.62;letter-spacing:-.005em;
  /* Plus Jakarta trae un espacio muy estrecho (0,17 em): sin esto las palabras se ven pegadas */
  word-spacing:.055em;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand);text-decoration:none}
a:hover{color:var(--brand-dark)}
h1,h2,h3,h4{line-height:1.2;margin:0 0 .5em;letter-spacing:-.02em;word-spacing:.05em;font-weight:800}
h1{font-size:clamp(1.75rem,3.4vw,2.45rem)}
h2{font-size:clamp(1.3rem,2.2vw,1.72rem)}
h3{font-size:1.1rem;font-weight:700}
p{margin:0 0 1em}
.container{max-width:var(--max);margin:0 auto;padding:0 22px}
.narrow{max-width:760px}
.muted{color:var(--muted)}
.small{font-size:.875rem}
.center{text-align:center}
.mt{margin-top:26px}.mb{margin-bottom:26px}
.hidden{display:none!important}

/* ---------- botones ---------- */
.btn{display:inline-block;padding:11px 22px;border-radius:9px;border:1px solid transparent;
  background:var(--brand);color:#fff;font-weight:600;font-size:.95rem;cursor:pointer;text-align:center;
  transition:background .15s,box-shadow .15s,transform .15s;text-decoration:none;font-family:inherit;
  letter-spacing:-.01em}
.btn:hover{background:var(--brand-dark);color:#fff;box-shadow:var(--shadow-md)}
.btn:active{transform:translateY(1px)}
.btn-lg{padding:14px 30px;font-size:1rem}
.btn-sm{padding:7px 14px;font-size:.83rem}
.btn-block{display:block;width:100%}
.btn-outline{background:transparent;color:var(--brand);border-color:#c7d7fe}
.btn-outline:hover{background:var(--brand-light);color:var(--brand-dark)}
.btn-ghost{background:#fff;color:var(--ink-2);border-color:var(--line)}
.btn-ghost:hover{background:#f9fafb;color:var(--ink)}
.btn-dark{background:var(--brand-deep)}
.btn-dark:hover{background:#13204a}
.btn-buy{background:var(--accent)}
.btn-buy:hover{background:var(--accent-dark);color:#fff}
.btn-accent-outline{background:#fff;color:var(--accent);border-color:var(--accent-border)}
.btn-accent-outline:hover{background:var(--accent-light);color:var(--accent-dark)}
.btn-danger{background:var(--err)}
.btn-ok{background:var(--ok)}

/* ---------- cabecera ---------- */
.promobar{background:var(--accent);color:#fff;text-align:center;padding:9px 16px;
  font-size:.83rem;font-weight:600;letter-spacing:.005em}
.promobar a{color:#fff;text-decoration:underline}
.site-header{background:rgba(255,255,255,.88);backdrop-filter:saturate(1.6) blur(10px);
  border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50}
.site-header .inner{display:flex;align-items:center;gap:22px;height:70px;max-width:var(--max);margin:0 auto;padding:0 22px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.12rem;color:var(--ink);letter-spacing:-.03em}
.logo:hover{text-decoration:none;color:var(--ink)}
.logo .accent{color:var(--accent)}
.logo svg,.logo img{width:34px;height:34px;border-radius:9px;flex:none}
.header-search{flex:1;max-width:400px;display:flex}
.header-search input{flex:1;padding:9px 14px;border:1px solid var(--line);border-right:0;
  border-radius:9px 0 0 9px;font-size:.9rem;font-family:inherit;background:#fff}
.header-search input:focus{outline:none;border-color:#c7d7fe}
.header-search button{background:var(--accent);color:#fff;border:1px solid var(--accent);border-left:0;
  padding:0 16px;border-radius:0 9px 9px 0;cursor:pointer;font-size:.95rem;line-height:1}
.header-search button:hover{background:var(--accent-dark)}
.nav{display:flex;gap:22px;margin-left:auto;align-items:center}
.nav a{color:var(--ink-2);font-weight:500;font-size:.93rem}
.nav a:hover{color:var(--brand)}
/* Los botones dentro de nav/sidebar/footer conservan SU color de texto.
   Sin esto, .nav a ganaba en especificidad y el texto quedaba invisible. */
.nav a.btn,.sidebar a.btn,.site-footer a.btn,.hero a.btn,.trustbar a.btn,.catbar a.btn{color:#fff;display:inline-block;padding:8px 16px}
.nav a.btn:hover,.sidebar a.btn:hover,.site-footer a.btn:hover,.hero a.btn:hover{color:#fff}
.nav a.btn-ghost,.site-footer a.btn-ghost{color:var(--ink-2)}
.nav a.btn-ghost:hover{color:var(--ink)}
.nav a.btn-outline{color:var(--brand)}
.hero a.btn-ghost{color:#fff}
.site-footer a.btn{padding:9px 18px}
.burger{display:none;background:none;border:0;font-size:1.5rem;cursor:pointer;margin-left:auto;color:var(--ink)}
@media(max-width:900px){.header-search{display:none}}

/* ---------- hero ---------- */
.hero{background:var(--dark);color:#fff;padding:72px 0 78px;position:relative;overflow:hidden}
.hero:before{content:"";position:absolute;inset:0;
  background:radial-gradient(760px 380px at 82% -14%,rgba(249,115,22,.26),transparent 60%),
             radial-gradient(760px 420px at 14% 108%,rgba(47,111,237,.22),transparent 62%);}
.hero .container{position:relative}
.hero h1{max-width:740px;margin-bottom:16px;color:#fff}
.hero p{font-size:1.1rem;color:#ccd4e2;max-width:600px;margin-bottom:28px}
.hero .btn-ghost{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.22)}
.hero .btn-ghost:hover{background:rgba(255,255,255,.16);color:#fff}
.trust{display:flex;gap:28px;flex-wrap:wrap;margin-top:34px;font-size:.88rem;color:#c2cad8}
.trust span:before{content:"✓";color:var(--accent-bright);font-weight:700;margin-right:7px}

/* ---------- franja de datos ---------- */
.trustbar{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:26px 0}
.trustbar .items{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;text-align:center}
.trustbar b{display:block;font-size:1.05rem;letter-spacing:-.02em}
.trustbar span{font-size:.8rem;color:var(--muted)}

/* ---------- secciones ---------- */
.section{padding:62px 0}
.section-head{display:flex;justify-content:space-between;align-items:flex-end;margin-bottom:30px;gap:20px;flex-wrap:wrap}
.section-head p{margin:0;color:var(--muted);font-size:.95rem}

/* ---------- categorías ---------- */
.cat-tiles{display:grid;grid-template-columns:repeat(auto-fill,minmax(172px,1fr));gap:12px}
.cat-tile{background:#fff;border:1px solid var(--line);border-radius:12px;padding:18px 14px;
  text-align:center;transition:border-color .15s,box-shadow .15s,transform .15s;display:block}
.cat-tile:hover{border-color:#c7d7fe;box-shadow:var(--shadow-md);transform:translateY(-2px);text-decoration:none}
.cat-tile .emoji{font-size:1.5rem;display:block;margin-bottom:7px;filter:saturate(.85)}
.cat-tile b{display:block;color:var(--ink);font-size:.9rem;line-height:1.3;font-weight:600}
.cat-tile span{font-size:.76rem;color:var(--muted)}

/* ---------- tarjetas de curso ---------- */
.grid{display:grid;gap:20px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.grid-5{grid-template-columns:repeat(5,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  display:flex;flex-direction:column;position:relative;
  transition:border-color .15s,box-shadow .15s,transform .15s}
.card:hover{border-color:#d7dfec;box-shadow:var(--shadow-lg);transform:translateY(-3px)}
.card .thumb{aspect-ratio:3/2;background:linear-gradient(140deg,#1b2a4e,#101828);
  display:flex;align-items:center;justify-content:center;color:#5b6884;font-size:1.7rem;overflow:hidden}
.card .thumb img{width:100%;height:100%;object-fit:cover}
.card .body{padding:14px 15px 13px;flex:1;display:flex;flex-direction:column}
.card h3{font-size:.96rem;line-height:1.35;margin-bottom:5px;font-weight:700}
.card h3 a{color:var(--ink)}
.card h3 a:hover{color:var(--brand)}
.card .meta{font-size:.78rem;color:var(--muted);margin-top:12px;padding-top:11px;
  border-top:1px solid var(--line-2);display:flex;justify-content:space-between;align-items:center}
.ribbon{position:absolute;top:10px;left:10px;background:rgba(12,17,29,.86);color:#fff;
  padding:4px 9px;border-radius:6px;font-size:.7rem;font-weight:700;letter-spacing:.02em;z-index:2;
  backdrop-filter:blur(4px)}
.ribbon.hot{background:var(--accent)}
.ribbon.new{background:rgba(6,118,71,.92)}
.pricebox{display:flex;align-items:baseline;gap:7px;flex-wrap:wrap;margin-top:auto}
.pricebox .now{font-size:1.2rem;font-weight:800;color:var(--ink);letter-spacing:-.03em}
.pricebox .was{font-size:.82rem;color:var(--muted);text-decoration:line-through}
.pricebox .off{background:var(--accent-light);color:var(--accent);font-size:.7rem;font-weight:700;
  padding:2px 6px;border-radius:5px;border:1px solid var(--accent-border)}

/* ---------- etiquetas ---------- */
.tag{display:inline-block;background:var(--brand-light);color:var(--brand-dark);
  padding:3px 9px;border-radius:6px;font-size:.72rem;font-weight:600;letter-spacing:.01em}
.tag-free,.tag-ok{background:var(--ok-bg);color:var(--ok)}
.tag-warn{background:var(--warn-bg);color:var(--warn)}
.tag-err{background:var(--err-bg);color:var(--err)}

/* ---------- filtros ---------- */
.catbar{display:flex;gap:8px;overflow-x:auto;padding:4px 0 14px;scrollbar-width:thin}
.catbar a{white-space:nowrap;padding:8px 15px;border:1px solid var(--line);border-radius:99px;
  background:#fff;font-size:.85rem;color:var(--ink-2);font-weight:500}
.catbar a:hover{border-color:#c7d7fe;background:var(--brand-light);text-decoration:none}
.catbar a.on{background:var(--brand-deep);color:#fff;border-color:var(--brand-deep)}

/* ---------- formularios ---------- */
.field{margin-bottom:18px}
.field label{display:block;font-weight:600;font-size:.86rem;margin-bottom:6px;color:var(--ink-2)}
.input,select,textarea{width:100%;padding:11px 13px;border:1px solid var(--line);border-radius:9px;
  font-size:.95rem;font-family:inherit;background:#fff;color:var(--ink)}
.input:focus,select:focus,textarea:focus{outline:none;border-color:#9dbaff;box-shadow:0 0 0 3.5px rgba(47,111,237,.12)}
textarea{min-height:110px;resize:vertical;line-height:1.6}
.check{display:flex;align-items:center;gap:9px;font-size:.92rem}
.check input{width:auto}
.hint{font-size:.8rem;color:var(--muted);margin-top:5px}
.row{display:grid;grid-template-columns:1fr 1fr;gap:16px}

/* ---------- paneles ---------- */
.panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow)}
.panel+.panel{margin-top:20px}
.panel h2,.panel h3{margin-top:0}

/* ---------- alertas ---------- */
.alert{padding:13px 16px;border-radius:10px;margin-bottom:18px;font-size:.92rem;border:1px solid}
.alert-success{background:var(--ok-bg);border-color:#a6f4c5;color:var(--ok)}
.alert-error{background:var(--err-bg);border-color:#fecdca;color:var(--err)}
.alert-info{background:var(--brand-light);border-color:#c7d7fe;color:#1d51c4}

/* ---------- tablas ---------- */
.table{width:100%;border-collapse:collapse;font-size:.9rem;background:#fff}
.table th{text-align:left;padding:11px 12px;border-bottom:1px solid var(--line);
  font-size:.74rem;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);font-weight:600}
.table td{padding:11px 12px;border-bottom:1px solid var(--line-2);vertical-align:middle}
.table tr:hover td{background:#fcfcfe}
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:#fff}

/* ---------- temario ---------- */
.curriculum{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff}
.mod{border-bottom:1px solid var(--line)}
.mod:last-child{border-bottom:0}
.mod-head{padding:15px 18px;background:#fcfcfe;cursor:pointer;display:flex;justify-content:space-between;
  align-items:center;font-weight:600;gap:12px;font-size:.95rem}
.mod-head:hover{background:#f7f9fc}
.mod-body{display:none}
.mod.open .mod-body{display:block}
.mod.open .chev{transform:rotate(180deg)}
.chev{transition:transform .2s;color:var(--muted);font-size:.75rem;display:inline-block}
.les{padding:11px 18px 11px 40px;border-top:1px solid var(--line-2);display:flex;
  justify-content:space-between;align-items:center;gap:12px;font-size:.9rem}
.les .ico{margin-left:-24px;margin-right:9px;color:var(--muted);font-size:.75rem}

/* ---------- reproductor ---------- */
.player-wrap{position:relative;background:#000;border-radius:12px;overflow:hidden;aspect-ratio:16/9}
.player-wrap iframe{width:100%;height:100%;border:0}
.watermark{position:absolute;right:14px;bottom:56px;color:rgba(255,255,255,.4);font-size:12px;
  pointer-events:none;user-select:none;z-index:5;text-shadow:0 1px 3px rgba(0,0,0,.8)}
.no-download{position:absolute;top:0;right:0;width:62px;height:52px;z-index:6}

.lesson-layout{display:grid;grid-template-columns:1fr 340px;gap:28px;align-items:start}
.lesson-side{background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  max-height:78vh;overflow-y:auto;position:sticky;top:90px}
.lesson-side .les{cursor:pointer}
.lesson-side .les.active{background:var(--brand-light);box-shadow:inset 3px 0 0 var(--brand)}
.lesson-side .les.done{color:var(--muted)}

.progress{height:7px;background:var(--line);border-radius:99px;overflow:hidden}
.progress i{display:block;height:100%;background:var(--brand);border-radius:99px;transition:width .3s}

/* ---------- paneles de app ---------- */
.app{display:grid;grid-template-columns:238px 1fr;min-height:100vh}
.sidebar{background:var(--dark);color:#98a2b3;padding:22px 0}
.sidebar .brand{padding:0 22px 22px;font-weight:800;color:#fff;font-size:1.05rem;display:flex;align-items:center;gap:9px}
.sidebar .brand:hover{text-decoration:none;color:#fff}
.sidebar .brand svg{width:26px;height:26px;border-radius:7px}
.sidebar a{display:block;padding:10px 22px;color:#b6bfcf;font-size:.91rem;box-shadow:inset 3px 0 0 transparent}
.sidebar a:hover{background:rgba(255,255,255,.05);color:#fff;text-decoration:none}
.sidebar a.active{background:rgba(249,115,22,.14);box-shadow:inset 3px 0 0 var(--accent-bright);color:#fff}
.sidebar .sep{margin:14px 22px;border-top:1px solid rgba(255,255,255,.09)}
.app-main{padding:32px;overflow-x:hidden}
.app-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:26px;gap:16px;flex-wrap:wrap}
.app-head h1{font-size:1.5rem;margin:0}

.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:24px}
.stat{background:#fff;border:1px solid var(--line);border-radius:12px;padding:18px 20px}
.stat b{display:block;font-size:1.55rem;line-height:1.25;letter-spacing:-.03em}
.stat span{font-size:.8rem;color:var(--muted)}

/* ---------- planes ---------- */
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;align-items:start}
.plan{background:#fff;border:1px solid var(--line);border-radius:16px;padding:30px;position:relative}
.plan.featured{border-color:var(--accent);box-shadow:var(--shadow-lg)}
.plan .badge{position:absolute;top:-12px;left:50%;transform:translateX(-50%);background:var(--accent);
  color:#fff;padding:5px 15px;border-radius:99px;font-size:.71rem;font-weight:700;letter-spacing:.05em}
.plan .amount{font-size:2.5rem;font-weight:800;letter-spacing:-.04em}
.plan ul{list-style:none;padding:0;margin:20px 0}
.plan li{padding:7px 0 7px 26px;position:relative;font-size:.92rem}
.plan li:before{content:"✓";position:absolute;left:0;color:var(--ok);font-weight:700}

/* ---------- compra ---------- */
.buy-box{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;
  position:sticky;top:90px;box-shadow:var(--shadow-md)}
.urgency{background:var(--accent-light);border:1px solid var(--accent-border);color:var(--accent);border-radius:9px;
  padding:9px 12px;font-size:.83rem;text-align:center;margin-bottom:14px;font-weight:600}
.paywall{background:var(--dark);color:#fff;padding:32px;border-radius:var(--radius);text-align:center}

/* ---------- WhatsApp ---------- */
.wa-float{position:fixed;right:20px;bottom:20px;z-index:90;background:var(--wa);color:#fff;
  width:54px;height:54px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 20px rgba(31,170,84,.35);text-decoration:none;transition:transform .18s,box-shadow .18s}
.wa-float:hover{transform:scale(1.06);color:#fff;box-shadow:0 8px 26px rgba(31,170,84,.45)}
.wa-label{position:fixed;right:84px;bottom:33px;z-index:90;background:#fff;color:var(--ink);
  padding:7px 13px;border-radius:9px;font-size:.82rem;font-weight:600;box-shadow:var(--shadow-md);white-space:nowrap}
@media(max-width:640px){.wa-label{display:none}.wa-float{width:50px;height:50px;right:14px;bottom:14px}}

/* ---------- pie ---------- */
.site-footer{background:var(--dark);color:#aeb8c7;padding:52px 0 26px;margin-top:70px}
.site-footer a{color:#d3dae4;font-size:.89rem;display:block;padding:4px 0}
.site-footer a:hover{color:#fff}
.site-footer h4{color:#fff;font-size:.93rem;margin-bottom:12px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:34px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.09);margin-top:34px;padding-top:20px;font-size:.83rem}

/* ---------- importador ---------- */
.import-list{max-height:460px;overflow-y:auto;border:1px solid var(--line);border-radius:10px}
.import-row{display:flex;gap:10px;align-items:center;padding:8px 12px;border-bottom:1px solid var(--line-2)}
.import-row:last-child{border-bottom:0}
.import-row input[type=text]{flex:1;padding:7px 10px;font-size:.88rem;border:1px solid var(--line);border-radius:7px;font-family:inherit}
.import-mod{background:#f7f9fc;padding:10px 12px;font-weight:600;border-bottom:1px solid var(--line);
  display:flex;gap:10px;align-items:center}
.spinner{display:inline-block;width:14px;height:14px;border:2px solid rgba(255,255,255,.35);
  border-top-color:#fff;border-radius:50%;animation:spin .7s linear infinite;vertical-align:-2px}
@keyframes spin{to{transform:rotate(360deg)}}

/* ---------- responsive ---------- */
@media(max-width:1100px){.grid-5{grid-template-columns:repeat(3,1fr)}}
@media(max-width:980px){
  .grid-4,.grid-3{grid-template-columns:repeat(2,1fr)}
  .lesson-layout{grid-template-columns:1fr}
  .lesson-side{position:static;max-height:none}
  .stats{grid-template-columns:repeat(2,1fr)}
  .plans{grid-template-columns:1fr;max-width:440px;margin:0 auto}
  .footer-grid{grid-template-columns:1fr 1fr}
  .app{grid-template-columns:1fr}
  .sidebar{display:flex;overflow-x:auto;padding:0;gap:2px}
  .sidebar .brand,.sidebar .sep{display:none}
  .sidebar a{white-space:nowrap;padding:14px 16px;box-shadow:none}
  .sidebar a.active{box-shadow:inset 0 -3px 0 var(--brand)}
}
@media(max-width:820px){.grid-5{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){
  .hero{padding:52px 0 58px}
  .grid-4,.grid-3,.grid-2{grid-template-columns:1fr}
  .grid-5{grid-template-columns:repeat(2,1fr);gap:12px}
  .row{grid-template-columns:1fr}
  .trustbar .items{grid-template-columns:repeat(2,1fr);gap:16px}
  .nav{display:none;position:absolute;top:70px;left:0;right:0;background:#fff;flex-direction:column;
    padding:14px 22px;gap:2px;border-bottom:1px solid var(--line);box-shadow:var(--shadow-md)}
  .nav.open{display:flex}
  .nav a{padding:9px 0;width:100%}
  .burger{display:block}
  .section{padding:44px 0}
  .app-main{padding:18px}
  .footer-grid{grid-template-columns:1fr}
  .card h3{font-size:.88rem}
  .pricebox .now{font-size:1.05rem}
}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}


/* ============================================================
   Artículos del blog
   ============================================================ */
.post-page{padding-top:30px}
.post-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:48px;align-items:start}
.post-main{min-width:0}
.crumbs{margin-bottom:12px}
.crumbs span{margin:0 4px;color:var(--line)}
.post-meta{margin:-4px 0 18px}
.post-meta .sep{margin-left:14px}
.post-cover{border-radius:12px;margin:10px 0 22px}
.post-aside{position:sticky;top:92px}
.post-aside .buy-box h3{font-size:1.05rem}
.aside-course{display:block;padding:12px 0;border-bottom:1px solid var(--line-2);color:var(--ink)}
.aside-course strong{display:block;font-size:.92rem;line-height:1.35;margin-bottom:4px}
.aside-course:hover strong{color:var(--brand-dark)}
.aside-course + .btn{margin-top:14px}
.aside-title{font-size:1rem}
.aside-list{list-style:none;margin:0;padding:0}
.aside-list li{padding:9px 0;border-bottom:1px solid var(--line-2);font-size:.9rem;line-height:1.4}
.aside-list li:last-child{border-bottom:0}

.toc{background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px 20px;margin:4px 0 30px;max-width:68ch}
.toc summary{font-weight:700;cursor:pointer;font-size:.95rem}
.toc ol{margin:10px 0 2px;padding-left:1.3em;font-size:.92rem;columns:2 260px;column-gap:28px}
.toc li{margin:0 0 6px;break-inside:avoid}
.toc a{color:var(--ink-2)}
.toc a:hover{color:var(--brand-dark)}

.prose{font-size:1.06rem;line-height:1.78;color:#1d2433;max-width:68ch}
.prose > *:first-child{margin-top:0}
.prose p{margin:0 0 1.15em}
.prose h2{font-size:clamp(1.3rem,2.3vw,1.6rem);margin:2em 0 .6em;scroll-margin-top:90px}
.prose h3{font-size:1.18rem;margin:1.6em 0 .5em;scroll-margin-top:90px}
.prose h4{font-size:1.02rem;margin:1.4em 0 .4em}
.prose ul,.prose ol{padding-left:1.35em;margin:0 0 1.2em}
.prose li{margin:0 0 .45em}
.prose li > ul,.prose li > ol{margin:.45em 0 0}
.prose a{text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px}
.prose strong{color:var(--ink)}
.prose img{border-radius:10px;margin:1.4em 0}
.prose hr{border:0;border-top:1px solid var(--line);margin:2.2em 0}
.prose blockquote{margin:1.5em 0;padding:14px 20px;border-left:4px solid var(--accent-border);
  background:var(--accent-light);border-radius:0 10px 10px 0;color:var(--ink-2)}
.prose blockquote p:last-child{margin:0}
.prose code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.86em;
  background:#eef1f6;padding:.12em .38em;border-radius:5px;word-spacing:0;overflow-wrap:anywhere}
.prose pre{background:#0f172a;color:#e2e8f0;padding:16px 18px;border-radius:10px;overflow-x:auto;
  margin:1.4em 0;font-size:.88rem;line-height:1.6;-webkit-overflow-scrolling:touch}
.prose pre code{background:none;padding:0;color:inherit;font-size:inherit;overflow-wrap:normal}
.table-scroll{overflow-x:auto;margin:1.5em 0;border:1px solid var(--line);border-radius:10px;background:#fff;-webkit-overflow-scrolling:touch}
.prose table{width:100%;border-collapse:collapse;font-size:.93rem;line-height:1.5}
.prose th,.prose td{padding:10px 14px;text-align:left;vertical-align:top;border-bottom:1px solid var(--line);min-width:7.5rem}
.prose th{background:#f6f7fb;font-weight:700;color:var(--ink)}
.prose tr:last-child td{border-bottom:0}
.prose tbody tr:nth-child(even) td{background:#fbfcfe}

.related{margin-top:48px}
.related-card{display:block;color:var(--ink);box-shadow:none}
.related-card strong{display:block;line-height:1.35;margin-bottom:6px}
.related-card:hover{border-color:#c7d7fe}

/* Guías en la portada */
.guides-home{padding-top:30px}
.guide-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.guide-item{display:block;background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px 18px;color:var(--ink)}
.guide-item strong{display:block;line-height:1.35;margin-bottom:6px}
.guide-item:hover{border-color:#c7d7fe;color:var(--ink)}

@media(max-width:980px){
  .post-layout{grid-template-columns:1fr;gap:34px}
  .post-aside{position:static}
  .guide-list{grid-template-columns:1fr 1fr}
  /* Rejillas con estilo en línea (panel y fichas): una columna en pantallas estrechas */
  [style*="grid-template-columns"]{grid-template-columns:1fr!important}
}
@media(max-width:620px){
  .prose{font-size:1.02rem;line-height:1.72}
  .toc ol{columns:1}
  .guide-list{grid-template-columns:1fr}
}

/* ============================================================
   Panel: ajustes, puesta en marcha, estado
   ============================================================ */
.mt-s{margin-top:14px}.mt-xs{margin-top:6px}.mb-s{margin-bottom:12px}
.tabs{display:flex;gap:4px;border-bottom:1px solid var(--line);margin:-8px 0 24px;overflow-x:auto;scrollbar-width:none}
.tabs::-webkit-scrollbar{display:none}
.tabs a{padding:10px 14px;color:var(--muted);font-weight:600;font-size:.9rem;white-space:nowrap;border-bottom:2px solid transparent;margin-bottom:-1px}
.tabs a:hover{color:var(--ink)}
.tabs a.is-active{color:var(--ink);border-bottom-color:var(--accent)}
.split{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:22px;align-items:start}
.split > aside{position:sticky;top:20px}
.split > aside .panel + .panel{margin-top:16px}
.guide{background:#f7f9fc;box-shadow:none}
.guide h3{font-size:1rem}
.guide p:last-child{margin-bottom:0}
.steps{counter-reset:step;list-style:none;padding:0;margin:0 0 6px}
.steps li{counter-increment:step;position:relative;padding:0 0 12px 34px;font-size:.9rem;line-height:1.5}
.steps li::before{content:counter(step);position:absolute;left:0;top:0;width:23px;height:23px;border-radius:50%;
  background:#fff;border:1px solid var(--line);font-size:.75rem;font-weight:700;display:grid;place-items:center;color:var(--ink-2)}
.panel-head{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:10px}
.panel-head h3{margin:0}
.subpanel{border-top:1px solid var(--line);margin-top:20px;padding-top:18px}
.subpanel h4{margin:0 0 6px;font-size:.95rem}
.switch{display:inline-flex;align-items:center;gap:8px;font-size:.86rem;font-weight:600;color:var(--ink-2);cursor:pointer}
.switch input{width:18px;height:18px;accent-color:var(--accent)}
.copyline{display:flex;gap:8px;align-items:stretch;margin:6px 0}
.copyline code{flex:1;min-width:0;background:#f6f7fb;border:1px solid var(--line);border-radius:8px;padding:9px 12px;
  font-size:.8rem;overflow-x:auto;white-space:nowrap;word-spacing:0}
.test-row{display:flex;gap:12px;align-items:flex-start;flex-wrap:wrap;margin:4px 0}
.test-out{flex:1;min-width:220px;font-size:.87rem;line-height:1.45}
.test-out:empty{display:none}
.test-out.is-ok,.test-out.is-err{padding:9px 12px;border-radius:9px;border:1px solid}
.test-out.is-ok{background:var(--ok-bg);border-color:#a6f4c5;color:var(--ok)}
.test-out.is-err{background:var(--err-bg);border-color:#fecdca;color:var(--err)}
.test-out details{margin-top:8px;color:var(--ink-2)}
.test-out pre,.log{background:#0f172a;color:#e2e8f0;padding:12px;border-radius:8px;font-size:.76rem;overflow-x:auto;
  white-space:pre-wrap;max-height:260px;word-spacing:0}
.preview{margin-top:10px;color:var(--ink-2)}
.preview iframe{width:100%;aspect-ratio:16/9;border:0;border-radius:8px;background:#000}
.chips{display:flex;flex-wrap:wrap;gap:6px}
.chip{font-size:.8rem;padding:4px 10px;border-radius:99px;background:#f2f4f7;color:var(--muted)}
.chip b{margin-left:4px;font-weight:700}
.chip-on{background:var(--ok-bg);color:var(--ok)}
.radio-cards{display:grid;gap:10px}
.radio-cards label{display:flex;gap:12px;align-items:flex-start;padding:13px 14px;border:1px solid var(--line);border-radius:10px;cursor:pointer;font-size:.92rem}
.radio-cards label:has(input:checked){border-color:var(--accent-border);background:var(--accent-light)}
.radio-cards input{margin-top:4px;accent-color:var(--accent)}
.save-bar{position:sticky;bottom:0;background:linear-gradient(to top,var(--bg) 65%,transparent);padding:18px 0 10px;margin-top:6px;z-index:5}
textarea.code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.8rem;line-height:1.5;word-spacing:0}
.checks td{padding:10px 12px;vertical-align:top}
.checks .dot{display:inline-block;width:9px;height:9px;border-radius:50%;margin-right:10px;vertical-align:middle;background:var(--ok)}
.checks .st-warn .dot{background:#f79009}
.checks .st-fail .dot{background:var(--err)}
.checks .st-fail td{color:var(--err)}
.setup{margin-bottom:24px}
.progress{height:6px;background:#eef1f6;border-radius:99px;overflow:hidden;margin:2px 0 14px}
.progress span{display:block;height:100%;background:var(--accent);border-radius:99px}
.setup-list{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:4px 28px}
.setup-list li{display:flex;gap:10px;padding:8px 0;border-bottom:1px solid var(--line-2)}
.setup-list .mark{flex:none;width:20px;height:20px;border-radius:50%;border:1.5px solid #d0d5dd;display:grid;place-items:center;
  font-size:.7rem;font-weight:800;color:#fff;margin-top:1px}
.setup-list .is-done .mark{background:var(--ok);border-color:var(--ok)}
.setup-list .is-done a{color:var(--muted);text-decoration:line-through;text-decoration-color:#d0d5dd}
.setup-list a{font-weight:600;font-size:.92rem;color:var(--ink)}
.setup-list p{margin:2px 0 0;line-height:1.4}
.import-bar{display:flex;align-items:center;gap:18px;flex-wrap:wrap;margin-bottom:18px;padding:16px 20px}
.import-bar > div{flex:1;min-width:240px}
@media(max-width:980px){
  .split{grid-template-columns:1fr}
  .split > aside{position:static}
  .setup-list{grid-template-columns:1fr}
}