/* Sitio público — Camilo Tirado · Renta fija en Colombia
   Marca: azul tinta #14233B, azul #1E4F8A, dorado #C8923A. Tipografías: Sora (títulos), Space Grotesk (cifras),
   IBM Plex Sans (texto), JetBrains Mono (fórmulas). Modo claro y oscuro. */
:root{
  --bg:#F5F7FA; --surface:#FFFFFF; --surface2:#EEF2F7; --fg:#14233B; --muted:#5A6B82; --line:#DCE3EC;
  --azul:#1E4F8A; --azul-claro:#2A6BB8; --tinta:#0B1830; --oro:#C8923A; --oro-texto:#9A6A1F; --oro-suave:#FBF3E6;
  --verde:#14805A; --rojo:#B83A3A; --sombra:0 18px 40px -24px rgba(11,24,48,.35);
  --display:'Sora',system-ui,sans-serif; --nums:'Space Grotesk',system-ui,sans-serif; --body:'IBM Plex Sans',system-ui,sans-serif; --mono:'JetBrains Mono',ui-monospace,monospace;
  color-scheme:light;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --bg:#08111F; --surface:#0F1C31; --surface2:#15253F; --fg:#E8EEF7; --muted:#9AAAC2; --line:#22344F;
  --azul:#5B93D6; --azul-claro:#7FB0EA; --oro:#E0B066; --oro-texto:#E9C27F; --oro-suave:#2A2416; --verde:#4CC38A; --rojo:#F07B7B;
  --sombra:0 18px 40px -24px rgba(0,0,0,.7); color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#08111F; --surface:#0F1C31; --surface2:#15253F; --fg:#E8EEF7; --muted:#9AAAC2; --line:#22344F;
  --azul:#5B93D6; --azul-claro:#7FB0EA; --oro:#E0B066; --oro-texto:#E9C27F; --oro-suave:#2A2416; --verde:#4CC38A; --rojo:#F07B7B;
  --sombra:0 18px 40px -24px rgba(0,0,0,.7); color-scheme:dark}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--fg);font:400 17px/1.65 var(--body);overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:var(--azul)}
a:hover{color:var(--azul-claro)}
h1,h2,h3{font-family:var(--display);letter-spacing:-.02em;line-height:1.15;text-wrap:balance;margin:0}
h1{font-size:clamp(34px,5.4vw,58px);font-weight:800}
h2{font-size:clamp(26px,3.4vw,36px);font-weight:700}
h3{font-size:20px;font-weight:700}
p{margin:0}
.envoltura{max-width:1120px;margin:0 auto;padding-inline:20px}
.angosto{max-width:760px}
.eyebrow{font:600 13px var(--body);letter-spacing:.2em;text-transform:uppercase;color:var(--oro-texto)}
.muted{color:var(--muted)}
.cifra{font-family:var(--nums);font-variant-numeric:tabular-nums}
.saltar{position:absolute;left:-999px}.saltar:focus{left:12px;top:12px;z-index:99;background:var(--surface);padding:8px 12px}

/* Barra superior */
.barra{position:sticky;top:0;z-index:50;background:rgba(11,24,48,.94);backdrop-filter:saturate(1.4) blur(10px);color:#fff;border-bottom:1px solid rgba(255,255,255,.08)}
.barra .envoltura{display:flex;align-items:center;gap:18px;min-height:64px}
.marca{display:flex;align-items:center;gap:10px;color:#fff;text-decoration:none;flex:none}
.marca img{width:36px;height:36px;border-radius:9px}
.marca b{display:block;font:700 16px var(--display);line-height:1.1}
.marca span{display:block;font:600 10.5px var(--body);letter-spacing:.2em;text-transform:uppercase;color:#E0B066}
.menu{display:flex;gap:4px;margin-left:auto;align-items:center;flex-wrap:wrap}
.menu a{color:#D5DEEA;text-decoration:none;font:500 14.5px var(--body);padding:8px 11px;border-radius:8px}
.menu a:hover,.menu a[aria-current="page"]{color:#fff;background:rgba(255,255,255,.08)}
.menu .boton{margin-left:6px}
.tema{background:none;border:1px solid rgba(255,255,255,.18);color:#D5DEEA;border-radius:8px;width:36px;height:36px;cursor:pointer;font-size:16px;flex:none}
.abrir-menu{display:none;background:none;border:1px solid rgba(255,255,255,.2);color:#fff;border-radius:8px;height:36px;padding:0 12px;font:600 14px var(--body);cursor:pointer;margin-left:auto}
@media (max-width:900px){
  .abrir-menu{display:block}
  .menu{display:none;position:absolute;left:0;right:0;top:64px;background:#0B1830;flex-direction:column;align-items:stretch;padding:10px 20px 18px;border-bottom:1px solid rgba(255,255,255,.1)}
  .menu.abierto{display:flex}
  .menu .boton{margin:8px 0 0;text-align:center}
}

/* Botones */
.boton{display:inline-flex;align-items:center;justify-content:center;gap:8px;font:600 16px var(--body);text-decoration:none;border-radius:12px;padding:13px 22px;border:0;cursor:pointer;transition:transform .15s,box-shadow .15s}
.boton:hover{transform:translateY(-1px)}
.boton.oro{background:linear-gradient(135deg,#C8923A,#E9B866);color:#1A1205!important;box-shadow:0 10px 24px -12px rgba(200,146,58,.8)}
.boton.azul{background:var(--azul);color:#fff!important}
.boton.borde{background:transparent;color:var(--fg)!important;border:1.5px solid var(--line)}
.menu .boton.oro{padding:8px 16px;font-size:14.5px;border-radius:9px}

/* Héroe */
.heroe{background:radial-gradient(60% 80% at 100% 0%,rgba(30,79,138,.9),rgba(30,79,138,0) 70%),linear-gradient(160deg,#050B16,#0B1830 60%,#101F38);color:#fff;position:relative;overflow:hidden}
.heroe .envoltura{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:48px;align-items:center;padding-block:72px 80px}
.heroe h1 em{font-style:normal;background:linear-gradient(120deg,#D9A24C,#F6D89A 60%,#E0B066);-webkit-background-clip:text;background-clip:text;color:transparent}
.heroe .lead{margin-top:20px;font-size:19.5px;color:#C9D5E6;max-width:56ch}
.heroe .acciones{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.heroe .boton.borde{color:#fff!important;border-color:rgba(255,255,255,.3)}
.heroe .eyebrow{color:#E0B066}
.sello{display:inline-block;line-height:1.5;margin-top:22px;padding:8px 14px;border-radius:999px;border:1px solid rgba(224,176,102,.5);background:rgba(6,13,25,.5);font:500 14px var(--body);color:#F3D08F}
.sello b{font-family:var(--mono);letter-spacing:.04em}
.heroe-kpis{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.heroe-kpis div{padding:18px 18px 16px;border-radius:16px;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1)}
.heroe-kpis b{display:block;font:700 34px var(--nums);color:#F3D08F;letter-spacing:-.02em}
.heroe-kpis span{font-size:14.5px;color:#C9D5E6}
.heroe svg.velas{position:absolute;right:0;bottom:0;width:60%;height:auto;opacity:.18;pointer-events:none}
@media (max-width:860px){.heroe .envoltura{grid-template-columns:minmax(0,1fr);padding-block:52px 56px}}

/* Secciones */
.seccion{padding-block:72px}
.seccion.alterna{background:var(--surface2)}
.cabeza{display:grid;gap:10px;margin-bottom:32px;max-width:760px}
.cabeza p{color:var(--muted);font-size:18px}
.rejilla{display:grid;gap:18px}
.r2{grid-template-columns:repeat(2,minmax(0,1fr))}
.r3{grid-template-columns:repeat(3,minmax(0,1fr))}
.r4{grid-template-columns:repeat(4,minmax(0,1fr))}
@media (max-width:900px){.r3,.r4{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:620px){.r2,.r3,.r4{grid-template-columns:minmax(0,1fr)}}
.tarjeta{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:24px;box-shadow:var(--sombra);min-width:0}
.tarjeta h3{margin-bottom:8px}
.tarjeta p{color:var(--muted);font-size:16px}
.icono{width:46px;height:46px;border-radius:14px;display:grid;place-items:center;background:linear-gradient(135deg,#0B1830,#1E4F8A);color:#F3D08F;margin-bottom:14px}
.icono svg{width:24px;height:24px}

/* Niveles y precios */
.nivel{display:flex;flex-direction:column;gap:14px;position:relative}
.nivel.destacado{border:2px solid var(--oro);background:linear-gradient(180deg,var(--oro-suave),var(--surface) 55%)}
.nivel .etiqueta{position:absolute;top:-13px;right:22px;background:linear-gradient(135deg,#C8923A,#EBC07A);color:#1A1205;font:700 12px var(--body);letter-spacing:.14em;text-transform:uppercase;padding:5px 12px;border-radius:999px}
.nivel ul{margin:0;padding-left:20px;display:grid;gap:6px;color:var(--fg);font-size:16px}
.precio{display:flex;align-items:baseline;gap:10px;flex-wrap:wrap}
.precio b{font:700 40px var(--nums);letter-spacing:-.03em}
.precio s{font:500 18px var(--nums);color:var(--muted)}
.precio small{font:600 13px var(--body);letter-spacing:.12em;color:var(--muted)}
.nivel .boton{margin-top:auto}
.nota-pago{font-size:14px;color:var(--muted)}

/* Temario */
.temario{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
@media (max-width:760px){.temario{grid-template-columns:minmax(0,1fr)}}
.modulo{display:grid;grid-template-columns:auto minmax(0,1fr);gap:4px 14px;padding:16px 18px;border-radius:14px;background:var(--surface);border:1px solid var(--line)}
.modulo .n{grid-row:span 2;font:700 15px var(--mono);color:var(--oro-texto);padding-top:2px}
.modulo b{font:600 16.5px var(--display)}
.modulo span{font-size:15px;color:var(--muted)}
.bloque-nivel{margin-top:28px;margin-bottom:12px;display:flex;flex-wrap:wrap;gap:8px 16px;align-items:baseline}

/* Capturas */
.capturas{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
@media (max-width:860px){.capturas{grid-template-columns:minmax(0,1fr)}}
.capturas figure{margin:0;display:grid;gap:10px}
.capturas img{border-radius:14px;border:1px solid var(--line);box-shadow:var(--sombra)}
.capturas figcaption{font-size:15px;color:var(--muted)}

/* Autor */
.autor{display:grid;grid-template-columns:auto minmax(0,1fr);gap:28px;align-items:start}
.autor img{width:180px;height:180px;border-radius:50%;object-fit:cover;box-shadow:0 0 0 4px var(--surface),0 0 0 6px var(--oro),var(--sombra)}
@media (max-width:620px){.autor{grid-template-columns:minmax(0,1fr)}.autor img{width:140px;height:140px}}
.autor p+p{margin-top:12px}

/* Preguntas */
.faq{display:grid;gap:10px}
.faq details{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:4px 20px}
.faq summary{cursor:pointer;font:600 17px var(--display);padding:14px 0;list-style:none;display:flex;justify-content:space-between;gap:12px}
.faq summary::after{content:"+";color:var(--oro-texto);font-size:22px;line-height:1}
.faq details[open] summary::after{content:"–"}
.faq details p{padding-bottom:16px;color:var(--muted)}

/* Llamado final */
.llamado{background:linear-gradient(135deg,#0B1830,#1E4F8A);color:#fff;border-radius:24px;padding:40px;display:flex;flex-wrap:wrap;gap:24px;align-items:center;justify-content:space-between}
.llamado p{color:#C9D5E6;max-width:56ch;margin-top:8px}

/* Artículos */
.articulo{padding-block:48px 72px}
.articulo header{display:grid;gap:14px;margin-bottom:28px}
.articulo .meta{font-size:14.5px;color:var(--muted)}
.prosa{font-size:18px}
.prosa > *+*{margin-top:18px}
.prosa h2{font-size:27px;margin-top:40px}
.prosa h3{margin-top:28px}
.prosa ul,.prosa ol{padding-left:22px;display:grid;gap:8px}
.prosa table{width:100%;border-collapse:collapse;font-size:16px;font-variant-numeric:tabular-nums}
.prosa th,.prosa td{padding:10px 12px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.prosa th{font:600 14px var(--body);color:var(--muted);text-transform:uppercase;letter-spacing:.06em}
.tabla{overflow-x:auto;border:1px solid var(--line);border-radius:12px;background:var(--surface)}
.formula{font-family:var(--mono);font-size:16px;background:var(--surface2);border-radius:10px;padding:14px 16px;overflow-x:auto;white-space:nowrap}
.recuadro{background:var(--oro-suave);border-left:4px solid var(--oro);border-radius:10px;padding:16px 18px;font-size:16.5px}
.recuadro.azul{background:var(--surface2);border-left-color:var(--azul)}
.cta-articulo{margin-top:40px;background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:24px;display:grid;gap:12px;box-shadow:var(--sombra)}
.migas{font-size:14px;color:var(--muted)}
.migas a{color:var(--muted)}
.lista-articulos{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
@media (max-width:720px){.lista-articulos{grid-template-columns:minmax(0,1fr)}}
.lista-articulos a{text-decoration:none;color:inherit}
.lista-articulos .tarjeta{height:100%;display:grid;gap:10px;align-content:start;transition:border-color .15s,transform .15s}
.lista-articulos a:hover .tarjeta{border-color:var(--oro);transform:translateY(-2px)}

/* Calculadoras */
.calc{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:22px}
@media (max-width:820px){.calc{grid-template-columns:minmax(0,1fr)}}
.campo{display:grid;gap:6px;margin-bottom:16px}
.campo label{font:600 14.5px var(--body)}
.campo small{color:var(--muted);font-size:13.5px}
.campo input,.campo select{font:500 18px var(--nums);padding:12px 14px;border-radius:12px;border:1.5px solid var(--line);background:var(--bg);color:var(--fg);width:100%}
.campo input:focus,.campo select:focus{outline:none;border-color:var(--azul)}
.resultado{display:grid;gap:4px;padding:16px 18px;border-radius:14px;background:var(--surface2)}
.resultado span{font-size:14px;color:var(--muted)}
.resultado b{font:700 30px var(--nums);letter-spacing:-.02em}
.resultado.principal{background:linear-gradient(135deg,#0B1830,#1E4F8A);color:#fff}
.resultado.principal span{color:#C9D5E6}
.resultado.principal b{color:#F3D08F}
.resultados{display:grid;gap:12px}
.tasas-tabla td.v{font:600 18px var(--nums);white-space:nowrap}

/* Tasas hoy */
.tablero{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
@media (max-width:900px){.tablero{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:420px){.tablero{grid-template-columns:minmax(0,1fr)}}
.dato{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:18px;display:grid;gap:4px;min-width:0}
.dato span{font:600 12.5px var(--body);letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.dato b{font:700 32px var(--nums);letter-spacing:-.02em}
.dato small{font-size:13.5px;color:var(--muted)}
.grafica{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:20px;margin-top:20px}
.grafica svg{width:100%;height:auto;display:block}
.grafica .ej{fill:var(--muted);font:500 12px var(--nums)}
.grafica .gr{stroke:var(--line)}
.leyenda{display:flex;flex-wrap:wrap;gap:16px;font-size:14.5px;color:var(--muted);margin-top:8px}
.leyenda i{display:inline-block;width:18px;height:4px;border-radius:2px;vertical-align:middle;margin-right:6px}

/* Pie */
.pie{background:#08111F;color:#9AAAC2;padding-block:48px 36px;font-size:15px}
.pie .envoltura{display:grid;gap:28px}
.pie-col{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:28px}
@media (max-width:760px){.pie-col{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}}
.pie b{color:#fff;font:600 15px var(--display);display:block;margin-bottom:10px}
.pie a{color:#C9D5E6;text-decoration:none;display:block;padding:3px 0}
.pie a:hover{color:#fff}
.pie .aviso{border-top:1px solid #1A2A44;padding-top:20px;font-size:13.5px;line-height:1.6}