/* ============================================================
   BookinTrade — Blog (SEO). Estilo liviano, sin frameworks.
   Tema oscuro/teal consistente con la landing y el embudo.
   Tipografía de sistema (0 fetch de fuentes) para máxima velocidad.
   ============================================================ */
:root{
  --bg:#0b0e14; --card:#11161f; --teal:#2dd4bf; --teal2:#14b8a6;
  --dark:#04201c; --white:#e9f0f6; --mut:#8f9bab; --line:#222b38;
  --red:#fca5a5; --amber:#fbbf24; --ink:#cdd6e0;
}
*{ margin:0; padding:0; box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  background:var(--bg); color:var(--white);
  font-family:-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  -webkit-font-smoothing:antialiased; line-height:1.7;
}
a{ color:var(--teal); text-decoration:none; }
a:hover{ text-decoration:underline; }

/* Header */
.blog-header{
  border-bottom:1px solid var(--line); position:sticky; top:0;
  background:rgba(11,14,20,.86); backdrop-filter:blur(8px); z-index:10;
}
.blog-header .inner{
  max-width:760px; margin:0 auto; padding:14px 20px;
  display:flex; align-items:center; justify-content:space-between;
}
.blog-brand{ font-weight:800; font-size:17px; color:var(--white); }
.blog-brand .t{ color:var(--teal); }
.blog-header nav a{ color:var(--mut); font-size:14px; font-weight:600; margin-left:18px; }
.blog-header nav a:hover{ color:var(--white); text-decoration:none; }

/* Layout */
.wrap{ max-width:760px; margin:0 auto; padding:0 20px; }
main{ padding:40px 0 20px; }
.eyebrow{ color:var(--teal); font-size:11px; letter-spacing:2.5px; font-weight:700; text-transform:uppercase; margin-bottom:12px; }

/* Artículo */
article h1{ font-size:34px; line-height:1.2; font-weight:800; margin-bottom:14px; letter-spacing:-.3px; }
article .meta{ color:var(--mut); font-size:13.5px; margin-bottom:28px; }
article h2{ font-size:24px; font-weight:800; margin:34px 0 12px; line-height:1.25; }
article h3{ font-size:18.5px; font-weight:700; margin:24px 0 8px; color:#eef3f8; }
article p{ color:var(--ink); font-size:17px; margin-bottom:16px; }
article ul,article ol{ color:var(--ink); font-size:17px; margin:0 0 18px 22px; }
article li{ margin-bottom:7px; }
article strong{ color:var(--white); }
article a{ text-decoration:underline; text-underline-offset:2px; }
article blockquote{
  border-left:3px solid var(--teal); background:var(--card);
  border-radius:0 10px 10px 0; padding:16px 18px; margin:22px 0;
  color:var(--ink); font-size:16.5px;
}
article blockquote a{ color:var(--teal); }

/* CTA box */
.cta{
  background:linear-gradient(180deg,#0e2b28,#0c1119);
  border:1px solid var(--teal2); border-radius:16px;
  padding:24px 22px; margin:34px 0 10px; text-align:center;
}
.cta h3{ font-size:20px; margin:0 0 8px; color:var(--white); }
.cta p{ color:var(--ink); font-size:15.5px; margin-bottom:16px; }
.cta .btn{
  display:inline-block; background:var(--teal); color:var(--dark);
  font-weight:800; font-size:15.5px; border-radius:10px;
  padding:13px 22px; text-decoration:none;
}
.cta .btn:hover{ filter:brightness(1.06); text-decoration:none; }
.cta .btn-2{
  display:inline-block; margin-top:10px; color:var(--teal2);
  font-size:13.5px; font-weight:600;
}

/* Index de blog */
.post-list{ list-style:none; margin:8px 0 0; padding:0; }
.post-card{
  display:block; background:var(--card); border:1px solid var(--line);
  border-radius:14px; padding:20px; margin-bottom:16px; transition:border-color .15s, transform .1s;
}
.post-card:hover{ border-color:var(--teal2); text-decoration:none; transform:translateY(-1px); }
.post-card h2{ font-size:20px; color:var(--white); margin:0 0 6px; }
.post-card p{ color:var(--mut); font-size:15px; margin:0; }

/* Footer */
.blog-foot{
  border-top:1px solid var(--line); margin-top:40px; padding:26px 0 40px;
  text-align:center; color:#5b6675; font-size:12.5px; line-height:1.7;
}
.blog-foot a{ color:#7c8696; }
.disc{ color:#5b6675; font-size:12px; margin-top:20px; font-style:italic; }

/* ============================================================
   Componentes visuales del artículo (0 dependencias, 0 fetch).
   Inspirados en patrones tipo Aceternity/Magic UI, reescritos
   en CSS propio para no cargar runtimes. Respetan reduce-motion.
   ============================================================ */

/* Barra de progreso de lectura */
.progress-bar{
  position:fixed; top:0; left:0; height:3px; width:0; z-index:60;
  background:linear-gradient(90deg,var(--teal2),var(--teal));
  box-shadow:0 0 12px rgba(45,212,191,.6);
}

/* Aparición al hacer scroll */
.reveal{ opacity:0; transform:translateY(14px); transition:opacity .55s ease, transform .55s ease; }
.reveal.in{ opacity:1; transform:none; }

/* Recuadro genérico */
.box{
  background:var(--card); border:1px solid var(--line); border-radius:16px;
  padding:20px 22px; margin:26px 0;
}
.box-title{
  font-size:11.5px; letter-spacing:.16em; text-transform:uppercase;
  font-weight:800; color:var(--teal); margin-bottom:6px;
}
.box-sub{ color:var(--mut); font-size:14.5px; margin:0 0 8px; }

/* Caja de herramientas: recuadro destacado con filo luminoso */
.toolbox{
  border-color:var(--teal2); position:relative; overflow:hidden;
  background:linear-gradient(180deg,#101a1e,#0d1119);
  box-shadow:0 0 0 1px rgba(45,212,191,.07), 0 24px 60px -40px rgba(45,212,191,.55);
}
.toolbox::before{
  content:""; position:absolute; top:0; left:0; right:0; height:1.5px;
  background:linear-gradient(90deg,transparent,var(--teal),transparent);
}
.toolbox table{ margin:10px 0 0; }

/* Chips de veredicto */
.verdict{
  display:inline-flex; align-items:center; gap:7px; font-size:11.5px; font-weight:800;
  letter-spacing:.07em; text-transform:uppercase; border-radius:999px;
  padding:5px 12px; border:1px solid; margin-bottom:12px;
}
.verdict .dot{ width:7px; height:7px; border-radius:50%; background:currentColor; }
.v-true{ color:var(--teal); border-color:rgba(45,212,191,.45); background:rgba(45,212,191,.08); }
.v-false{ color:var(--red);  border-color:rgba(252,165,165,.42); background:rgba(252,165,165,.07); }
.v-weak{ color:var(--amber); border-color:rgba(251,191,36,.42); background:rgba(251,191,36,.07); }

/* Matriz 2×2 */
.matrix{ display:grid; grid-template-columns:1fr 1fr; gap:12px; margin:20px 0 6px; }
.q{ border:1px solid var(--line); border-radius:14px; padding:16px; background:#0d121a; }
.q .tag{ font-size:10px; letter-spacing:.12em; text-transform:uppercase; font-weight:800; color:var(--mut); display:block; margin-bottom:8px; }
.q h4{ font-size:15.5px; margin:0 0 6px; color:var(--white); font-weight:700; }
.q p{ font-size:14.5px; color:var(--mut); margin:0; }
.q.good  { border-color:rgba(45,212,191,.40); }
.q.good .tag{ color:var(--teal); }
.q.danger{ border-color:rgba(251,191,36,.60); background:linear-gradient(180deg,rgba(251,191,36,.07),transparent); }
.q.danger .tag{ color:var(--amber); }
.q.trap  { border-color:rgba(252,165,165,.40); }
.q.trap .tag{ color:var(--red); }

/* Barras de escala (se llenan al entrar en pantalla) */
.bars{ margin:14px 0 2px; }
.bar-row{ margin-bottom:15px; }
.bar-lab{ display:flex; justify-content:space-between; gap:14px; font-size:14.5px; color:var(--ink); margin-bottom:7px; }
.bar-lab b{ color:var(--white); white-space:nowrap; }
.bar-track{ height:10px; background:#080c12; border:1px solid var(--line); border-radius:999px; overflow:hidden; }
.bar-fill{ height:100%; width:0; border-radius:999px; background:linear-gradient(90deg,var(--teal2),var(--teal)); transition:width 1.2s cubic-bezier(.2,.8,.2,1); }
.bar-fill.amber{ background:linear-gradient(90deg,#a16207,var(--amber)); }

/* Pasos con flechas (recorrido legislativo) */
.steps{ display:flex; align-items:center; gap:8px; flex-wrap:wrap; margin:18px 0 8px; }
.step{ border:1px solid var(--line); border-radius:10px; padding:9px 12px; font-size:13px; color:var(--mut); background:#0d121a; }
.step.now{ border-color:var(--teal); color:var(--white); font-weight:700; box-shadow:0 0 0 3px rgba(45,212,191,.10); }
.arrow{ color:#3a4658; font-weight:800; }

/* Trampas */
.traps{ display:grid; grid-template-columns:1fr 1fr; gap:12px; margin:18px 0; list-style:none; padding:0; }
.traps li{ background:var(--card); border:1px solid var(--line); border-radius:14px; padding:16px; margin:0; }
.traps .n{ display:inline-grid; place-items:center; width:27px; height:27px; border-radius:8px;
  background:rgba(45,212,191,.12); color:var(--teal); font-weight:800; font-size:13px; margin-bottom:9px; }
.traps b{ display:block; color:var(--white); margin-bottom:4px; font-size:15.5px; }
.traps span{ color:var(--mut); font-size:14px; }

/* Autodiagnóstico interactivo */
.selfcheck .item{ display:flex; gap:13px; align-items:flex-start; padding:13px 2px; border-bottom:1px solid var(--line); }
.selfcheck .item:last-of-type{ border-bottom:none; }
.selfcheck input{
  appearance:none; -webkit-appearance:none; width:22px; height:22px; border-radius:7px;
  border:1.5px solid #3a4658; margin-top:1px; flex:none; cursor:pointer; transition:.15s;
}
.selfcheck input:checked{ background:var(--teal); border-color:var(--teal); box-shadow:inset 0 0 0 4px var(--card); }
.selfcheck input:focus-visible{ outline:2px solid var(--teal); outline-offset:2px; }
.selfcheck label{ color:var(--ink); font-size:16px; cursor:pointer; line-height:1.5; }
.score{ margin-top:18px; border-top:1px solid var(--line); padding-top:16px; }
.score-num{ font-size:46px; font-weight:800; letter-spacing:-1.5px; color:var(--teal); line-height:1; }
.score-num small{ font-size:16px; color:var(--mut); font-weight:600; letter-spacing:0; }
.score-verdict{ margin-top:10px; font-size:16px; color:var(--ink); }
.score-verdict b{ color:var(--white); }

/* Tablas (caja de herramientas). Scroll horizontal propio en pantallas chicas. */
article table{
  width:100%; border-collapse:collapse; margin:22px 0;
  font-size:14.5px; line-height:1.55; display:block; overflow-x:auto;
  -webkit-overflow-scrolling:touch;
}
article thead th{
  text-align:left; color:var(--teal); font-weight:700; font-size:12.5px;
  text-transform:uppercase; letter-spacing:.03em;
  border-bottom:1px solid var(--line); padding:10px 16px 10px 0; vertical-align:bottom;
}
article tbody td{
  border-bottom:1px solid var(--line); padding:12px 16px 12px 0;
  color:var(--ink); vertical-align:top; min-width:150px;
}
article tbody tr:last-child td{ border-bottom:none; }
article tbody td:last-child{ color:var(--mut); }
article tbody td strong{ color:var(--white); }

@media (max-width:520px){
  article h1{ font-size:27px; } article h2{ font-size:21px; }
  article p,article ul,article ol{ font-size:16px; }
  article table{ font-size:13.5px; }
  article tbody td{ min-width:135px; }
  .matrix, .traps{ grid-template-columns:1fr; }
  .box{ padding:18px 16px; }
  .score-num{ font-size:38px; }
  .steps{ gap:6px; } .step{ font-size:12px; padding:8px 10px; }
}

/* Accesibilidad: sin animaciones si el usuario las desactivó.
   Todo queda visible y las barras aparecen ya llenas. */
@media (prefers-reduced-motion: reduce){
  *{ transition:none !important; scroll-behavior:auto !important; }
  .reveal{ opacity:1 !important; transform:none !important; }
  .progress-bar{ display:none; }
}