/* ==========================================================
   ESCUELA DE VENDEDORES® · Alfredo Pérez, El Profe de Ventas
   Mundo visual: pizarra (carbón) + manual (papel cuadriculado)
   Acento: marcador ámbar. Tipografía: Archivo + Source Serif 4
   ========================================================== */
:root{
  --pizarra:#0F1216;
  --pizarra-2:#161B21;
  --pizarra-3:#1E242C;
  --tiza:#EEF0F2;
  --tiza-2:#B4BCC6;
  --tiza-3:#7F8993;
  --linea:rgba(255,255,255,.11);
  --marcador:#E9A23B;
  --marcador-2:#F4BC5C;
  --marcador-ink:#8F5D0E;
  --azul:#8FBCE4;
  --papel:#F3F4F6;
  --papel-2:#FFFFFF;
  --papel-grid:rgba(48,86,128,.13);
  --tinta:#13171C;
  --tinta-2:#4B5560;
  --tinta-3:#7A8590;
  --raya:#D6DBE1;
  --wa:#1FA855;
  --display:"Archivo","Helvetica Neue",Arial,sans-serif;
  --serif:"Source Serif 4",Georgia,"Times New Roman",serif;
  --max:1180px;
  --gutter:clamp(20px,4vw,48px);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{
  margin:0;background:var(--pizarra);color:var(--tiza);overflow-x:clip;
  font-family:var(--serif);font-size:17px;line-height:1.55;
  font-optical-sizing:auto;
}
img{max-width:100%;height:auto;display:block}
figure{margin:0}
a{color:inherit}
h1,h2,h3,h4{font-family:var(--display);margin:0;text-wrap:balance;line-height:1.02}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:3px solid var(--marcador);outline-offset:3px}
.wrap{max-width:var(--max);margin:0 auto;padding:0 var(--gutter)}
.serif-lead{font-size:clamp(18px,1.6vw,21px);line-height:1.5;color:var(--tiza-2);max-width:62ch}
.eyebrow{
  font-family:var(--display);font-weight:650;font-size:12px;letter-spacing:.16em;text-transform:uppercase;
  display:inline-flex;align-items:center;gap:12px;color:var(--marcador);
}
.eyebrow::before{content:"";width:28px;height:3px;background:var(--marcador);border-radius:2px}
.h2{
  font-size:clamp(34px,4.6vw,60px);font-weight:800;font-stretch:108%;letter-spacing:-.022em;
  margin:14px 0 18px;max-width:20ch;
}
.h3{font-size:clamp(21px,2vw,26px);font-weight:750;font-stretch:104%;letter-spacing:-.012em}
.band{padding:clamp(72px,9vw,120px) 0}
.band.papel{
  background:
    linear-gradient(var(--papel-grid) 1px,transparent 1px) 0 0/28px 28px,
    linear-gradient(90deg,var(--papel-grid) 1px,transparent 1px) 0 0/28px 28px,
    var(--papel);
  color:var(--tinta);
}
.band.papel .serif-lead{color:var(--tinta-2)}
.band.papel .eyebrow{color:var(--marcador-ink)}
.band.papel .eyebrow::before{background:var(--marcador-ink)}
.rule{height:1px;background:var(--linea);border:0;margin:0}

/* ---------- Botones ---------- */
.btn{
  font-family:var(--display);font-weight:700;font-size:15px;letter-spacing:.01em;
  display:inline-flex;align-items:center;gap:10px;padding:15px 22px;border-radius:6px;
  text-decoration:none;border:2px solid transparent;cursor:pointer;line-height:1;white-space:nowrap;
  transition:transform .15s ease,background .15s ease,border-color .15s ease;
}
.btn:hover{transform:translateY(-1px)}
.btn svg{width:18px;height:18px;flex:none}
.btn-wa{background:var(--wa);color:#fff}
.btn-wa:hover{background:#23b95e}
.btn-marcador{background:var(--marcador);color:#1A1204}
.btn-marcador:hover{background:var(--marcador-2)}
.btn-linea{background:transparent;color:var(--tiza);border-color:rgba(255,255,255,.28)}
.btn-linea:hover{border-color:var(--tiza)}
.papel .btn-linea{color:var(--tinta);border-color:rgba(0,0,0,.28)}
.papel .btn-linea:hover{border-color:var(--tinta)}

/* ---------- Nav ---------- */
.nav{
  position:sticky;top:0;z-index:50;background:rgba(15,18,22,.82);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--linea);
}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;height:66px}
.marca{font-family:var(--display);text-decoration:none;display:flex;align-items:baseline;gap:10px;line-height:1}
.marca b{font-weight:800;font-stretch:112%;letter-spacing:-.02em;font-size:17px}
.marca span{font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--tiza-3);font-weight:600}
.nav-links{display:flex;gap:22px;font-family:var(--display);font-size:13.5px;font-weight:600}
.nav-links a{white-space:nowrap}
.marca b,.marca span{white-space:nowrap}
@media (max-width:1200px){.marca span{display:none}}
.nav-links a{text-decoration:none;color:var(--tiza-2);padding:6px 0;border-bottom:2px solid transparent}
.nav-links a:hover{color:var(--tiza);border-color:var(--marcador)}
.nav .btn{padding:11px 16px;font-size:14px}
.nav-toggle{display:none;background:none;border:1px solid var(--linea);color:var(--tiza);border-radius:6px;padding:8px 10px;font-family:var(--display);font-weight:700;font-size:13px}
@media (max-width:980px){
  .nav-links{display:none;position:absolute;left:0;right:0;top:66px;background:var(--pizarra-2);flex-direction:column;gap:0;padding:8px var(--gutter) 16px;border-bottom:1px solid var(--linea)}
  .nav-links.abierto{display:flex}
  .nav-links a{padding:12px 0;border-bottom:1px solid var(--linea)}
  .nav-toggle{display:inline-block}
  .nav .btn-wa{display:none}
}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:var(--pizarra)}
.hero .wrap{position:relative;display:grid;grid-template-columns:minmax(0,1.15fr) minmax(320px,.85fr);gap:0 24px;align-items:end;min-height:640px}
.hero-copy{padding:clamp(56px,7vw,96px) 0 clamp(48px,6vw,80px);position:relative;z-index:2;min-width:0}
.hero h1{
  font-size:clamp(52px,8.4vw,124px);font-weight:850;font-stretch:112%;letter-spacing:-.035em;line-height:.92;
  margin:22px 0 26px;max-width:9ch;
}
.hero h1 .sub{position:relative;display:inline-block;white-space:nowrap}
.hero h1 .sub svg{position:absolute;left:-2%;right:-2%;bottom:-.06em;width:104%;height:.28em;pointer-events:none}
.hero h1 .sub svg path{fill:none;stroke:var(--marcador);stroke-width:9;stroke-linecap:round;opacity:.92}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.hero-nota{margin-top:16px;font-family:var(--display);font-size:13px;color:var(--tiza-3);letter-spacing:.02em}
.hero-foto{position:relative;align-self:end;justify-self:end;width:min(100%,520px);z-index:1}
.hero-foto img{
  width:100%;height:auto;
  -webkit-mask-image:linear-gradient(to right,transparent 0,#000 18%,#000 88%,transparent 100%),linear-gradient(to top,transparent 0,#000 12%,#000 86%,transparent 100%);
  -webkit-mask-composite:source-in;
  mask-image:linear-gradient(to right,transparent 0,#000 18%,#000 88%,transparent 100%),linear-gradient(to top,transparent 0,#000 12%,#000 86%,transparent 100%);
  mask-composite:intersect;
}
.hero-foto figcaption{
  position:absolute;left:18px;bottom:22px;font-family:var(--display);font-size:12px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--tiza-2);background:rgba(15,18,22,.72);padding:8px 10px;border-left:3px solid var(--marcador);
}
@media (max-width:520px){
  .btn{white-space:normal;text-align:center;justify-content:center;line-height:1.15}
  .hero-cta .btn,.puerta .btn,.programas-nota .btn,.contacto .btn-dark{width:100%}
  .puerta .btn{align-self:stretch}
}
@media (max-width:880px){
  .hero .wrap{grid-template-columns:1fr;min-height:0}
  .hero-foto{order:-1;width:min(78vw,380px);justify-self:start;margin-top:8px}
  .hero-copy{padding-top:8px}
  .hero h1{max-width:10ch}
}

/* ---------- Cifras ---------- */
.cifras{border-top:1px solid var(--linea);border-bottom:1px solid var(--linea);background:var(--pizarra-2)}
.cifras .wrap{display:grid;grid-template-columns:repeat(6,1fr)}
.cifra{padding:26px 18px 24px 0;border-right:1px solid var(--linea);margin-right:18px}
.cifra:last-child{border-right:0;margin-right:0}
.cifra b{display:block;font-family:var(--display);font-weight:800;font-stretch:78%;font-size:clamp(34px,3.4vw,46px);letter-spacing:-.02em;line-height:1;color:var(--marcador);font-variant-numeric:tabular-nums}
.cifra span{display:block;margin-top:8px;font-family:var(--display);font-size:13px;line-height:1.3;color:var(--tiza-2);font-weight:500}
@media (max-width:900px){.cifras .wrap{grid-template-columns:repeat(3,1fr)}.cifra:nth-child(3){border-right:0}}
@media (max-width:520px){.cifras .wrap{grid-template-columns:repeat(2,1fr)}.cifra:nth-child(3){border-right:1px solid var(--linea)}.cifra:nth-child(2n){border-right:0}}

/* ---------- Logos ---------- */
.logos{padding:44px 0 40px}
.logos .encabezado{display:flex;justify-content:space-between;align-items:baseline;gap:20px;flex-wrap:wrap;margin-bottom:22px}
.logos .encabezado p{font-family:var(--display);font-size:14px;color:var(--tinta-2);font-weight:500}
.marquee{overflow:hidden;position:relative;-webkit-mask-image:linear-gradient(90deg,transparent,#000 6%,#000 94%,transparent);mask-image:linear-gradient(90deg,transparent,#000 6%,#000 94%,transparent)}
.marquee-pista{display:flex;gap:14px;width:max-content;animation:desliza 70s linear infinite}
.marquee.reversa .marquee-pista{animation-direction:reverse;animation-duration:84s}
.marquee + .marquee{margin-top:14px}
.marquee:hover .marquee-pista{animation-play-state:paused}
.logo{width:96px;height:96px;flex:none;background:#fff;border:1px solid var(--raya);border-radius:4px;display:grid;place-items:center;overflow:hidden}
.logo img{width:88px;height:88px;object-fit:contain}
@keyframes desliza{from{transform:translateX(0)}to{transform:translateX(-50%)}}
@media (prefers-reduced-motion:reduce){.marquee-pista{animation:none;flex-wrap:wrap;width:auto}.marquee{mask-image:none;-webkit-mask-image:none}}
.logos-mas{margin-top:26px;font-size:15px;line-height:1.7;color:var(--tinta-2);max-width:100%}
.logos-mas b{font-family:var(--display);font-weight:700;color:var(--tinta)}

/* ---------- Problema / CANECA ---------- */
.problema-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:48px;align-items:start}
.caneca{display:grid;grid-template-columns:repeat(6,1fr);gap:8px;margin:34px 0 22px}
.caneca li{background:var(--pizarra-2);border:1px solid var(--linea);border-radius:4px;padding:16px 10px 14px;text-align:center;transition:border-color .2s,transform .2s}
.caneca li:hover{border-color:var(--marcador);transform:translateY(-3px)}
.caneca b{display:block;font-family:var(--display);font-weight:850;font-stretch:80%;font-size:clamp(40px,5vw,64px);line-height:1;color:var(--marcador)}
.caneca span{display:block;margin-top:8px;font-family:var(--display);font-size:12px;font-weight:600;letter-spacing:.04em;color:var(--tiza-2);text-transform:uppercase}
.caneca-nota{font-family:var(--display);font-weight:700;font-size:15px;color:var(--tiza);letter-spacing:.01em}
.escala{margin-top:34px;background:var(--pizarra-2);border:1px solid var(--linea);border-radius:6px;padding:26px 24px 22px}
.escala h3{font-size:clamp(20px,2vw,26px);font-weight:750;font-stretch:104%;letter-spacing:-.012em;max-width:22ch}
.escala h3 em{font-style:normal;color:var(--marcador)}
.escala-barra{display:grid;grid-template-columns:repeat(12,1fr);gap:4px;margin:26px 0 8px;position:relative}
.escala-barra i{height:44px;border-radius:3px;background:var(--pizarra-3);border:1px solid var(--linea);display:grid;place-items:center;font-family:var(--display);font-style:normal;font-weight:700;font-size:13px;color:var(--tiza-3);font-variant-numeric:tabular-nums}
.escala-barra i.cierra{background:rgba(233,162,59,.18);border-color:rgba(233,162,59,.55);color:var(--marcador)}
.escala-barra i.rinde{background:rgba(255,255,255,.06);border-color:var(--tiza-2);color:var(--tiza);position:relative}
.escala-barra i.rinde::after{content:"";position:absolute;left:50%;bottom:-14px;width:2px;height:12px;background:var(--tiza-2)}
.escala-leyenda{display:grid;grid-template-columns:repeat(12,1fr);gap:4px;font-family:var(--display);font-size:12px;line-height:1.3;margin-top:16px}
.escala-leyenda .l-rinde{grid-column:1/5;color:var(--tiza-2)}
.escala-leyenda .l-cierra{grid-column:5/13;color:var(--marcador)}
.escala-leyenda b{display:block;font-weight:700;font-size:13px}
.escala-cierre{margin-top:20px;font-size:16px;color:var(--tiza-2)}
@media (max-width:880px){.problema-grid{grid-template-columns:1fr}.caneca{grid-template-columns:repeat(3,1fr)}}

/* ---------- Puertas (para quién) ---------- */
.puertas{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:40px}
.puerta{background:var(--papel-2);border:1px solid var(--raya);border-radius:6px;padding:28px 26px 26px;display:flex;flex-direction:column;gap:14px;position:relative;box-shadow:0 1px 0 rgba(0,0,0,.03)}
.puerta::before{content:"";position:absolute;left:26px;right:26px;top:0;height:4px;background:var(--marcador);border-radius:0 0 3px 3px}
.puerta .quien{font-family:var(--display);font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--tinta-3);font-weight:650}
.puerta h3{font-size:clamp(22px,2vw,27px);font-weight:800;font-stretch:106%;letter-spacing:-.015em}
.puerta .dolor{font-style:italic;color:var(--tinta-2);font-size:16.5px;line-height:1.5}
.puerta .ruta{margin-top:4px;padding-top:14px;border-top:1px dashed var(--raya)}
.puerta .ruta li{font-family:var(--display);font-size:14px;font-weight:600;padding:5px 0 5px 20px;position:relative;color:var(--tinta)}
.puerta .ruta li::before{content:"";position:absolute;left:0;top:12px;width:10px;height:10px;border:2px solid var(--marcador-ink);border-radius:2px}
.puerta .btn{margin-top:auto;align-self:flex-start}
@media (max-width:900px){.puertas{grid-template-columns:1fr}}

/* ---------- Cuatro frentes ---------- */
.frentes{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:40px;border:1px solid var(--linea);border-radius:6px;overflow:hidden}
.frente{padding:26px 24px 28px;border-right:1px solid var(--linea);background:var(--pizarra-2)}
.frente:last-child{border-right:0}
.frente .num{font-family:var(--display);font-weight:800;font-stretch:78%;font-size:13px;letter-spacing:.14em;color:var(--marcador);text-transform:uppercase}
.frente h3{font-size:clamp(24px,2.3vw,30px);font-weight:800;font-stretch:108%;letter-spacing:-.02em;margin:10px 0 10px}
.frente p{color:var(--tiza-2);font-size:16px}
.frente p b{color:var(--tiza);font-weight:600}
@media (max-width:900px){.frentes{grid-template-columns:1fr 1fr}.frente:nth-child(2){border-right:0}.frente:nth-child(-n+2){border-bottom:1px solid var(--linea)}}
@media (max-width:520px){.frentes{grid-template-columns:1fr}.frente{border-right:0;border-bottom:1px solid var(--linea)}.frente:last-child{border-bottom:0}}

/* ---------- Programas (fichas) ---------- */
.familia{margin-top:48px}
.familia-cab{display:flex;align-items:baseline;gap:16px;flex-wrap:wrap;margin-bottom:16px;padding-bottom:10px;border-bottom:2px solid var(--tinta)}
.familia-cab h3{font-size:clamp(22px,2.2vw,28px);font-weight:800;font-stretch:108%;letter-spacing:-.018em}
.familia-cab p{font-family:var(--display);font-size:14px;color:var(--tinta-2);font-weight:500}
.fichas{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.ficha{background:var(--papel-2);border:1px solid var(--raya);border-radius:6px;padding:22px 22px 20px;display:flex;flex-direction:column;gap:10px;position:relative}
.ficha .formato{font-family:var(--display);font-size:12px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--marcador-ink);display:flex;justify-content:space-between;gap:10px}
.ficha .formato span:last-child{color:var(--tinta-3);letter-spacing:.04em;text-transform:none;font-weight:600;font-variant-numeric:tabular-nums;text-align:right}
.ficha h4{font-size:20px;font-weight:800;font-stretch:104%;letter-spacing:-.012em;line-height:1.1}
.ficha p{font-size:15.5px;color:var(--tinta-2);line-height:1.5}
.ficha q{display:block;font-style:italic;color:var(--tinta);font-size:15.5px;border-left:3px solid var(--marcador);padding-left:12px;margin-top:2px;quotes:"“" "”"}
.ficha .incluye{margin-top:auto;padding-top:10px;border-top:1px dashed var(--raya);font-family:var(--display);font-size:12.5px;color:var(--tinta-3);font-weight:600;letter-spacing:.02em;line-height:1.5}
.ficha.destacada{background:var(--tinta);color:var(--tiza);border-color:var(--tinta)}
.ficha.destacada .formato{color:var(--marcador)}
.ficha.destacada .formato span:last-child{color:var(--tiza-3)}
.ficha.destacada p{color:var(--tiza-2)}
.ficha.destacada q{color:var(--tiza)}
.ficha.destacada .incluye{color:var(--tiza-3);border-color:rgba(255,255,255,.18)}
.ficha .precio{font-family:var(--display);font-weight:800;font-stretch:80%;font-size:30px;letter-spacing:-.02em;color:var(--marcador);line-height:1;font-variant-numeric:tabular-nums}
.ficha .precio small{font-size:13px;font-weight:600;letter-spacing:.04em;color:var(--tiza-2);font-stretch:100%;margin-left:4px}
.programas-nota{margin-top:36px;padding:22px 24px;background:var(--papel-2);border:1px solid var(--raya);border-left:4px solid var(--marcador);border-radius:4px;font-size:16.5px;color:var(--tinta-2);display:flex;gap:20px;align-items:center;flex-wrap:wrap;justify-content:space-between}
.programas-nota p{max-width:70ch}
@media (max-width:900px){.fichas{grid-template-columns:1fr 1fr}}
@media (max-width:600px){.fichas{grid-template-columns:1fr}}

/* ---------- Método ---------- */
.metodo-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border:1px solid var(--linea);border-radius:6px;overflow:hidden;margin-top:40px}
.principio{padding:26px 24px 28px;border-right:1px solid var(--linea);border-bottom:1px solid var(--linea);background:var(--pizarra-2)}
.principio:nth-child(3n){border-right:0}
.principio:nth-last-child(-n+3){border-bottom:0}
.principio h3{font-size:21px;font-weight:800;font-stretch:104%;letter-spacing:-.012em;margin-bottom:10px}
.principio p{color:var(--tiza-2);font-size:16px}
.principio p em{color:var(--tiza);font-style:italic}
.proceso{margin-top:44px}
.proceso-cab{display:flex;justify-content:space-between;align-items:baseline;gap:16px;flex-wrap:wrap;margin-bottom:16px}
.proceso-cab h3{font-size:clamp(20px,2vw,26px);font-weight:750;font-stretch:104%;letter-spacing:-.012em}
.proceso-cab p{font-family:var(--display);font-size:14px;color:var(--tiza-3)}
.pasos{display:grid;grid-template-columns:repeat(9,1fr);gap:6px}
.pasos li{background:var(--pizarra-3);border:1px solid var(--linea);border-radius:4px;padding:12px 10px;font-family:var(--display);font-size:13px;font-weight:650;line-height:1.25;color:var(--tiza-2);position:relative}
.pasos li b{display:block;font-size:11px;letter-spacing:.12em;color:var(--marcador);margin-bottom:6px;font-variant-numeric:tabular-nums}
.pasos li.clave{border-color:var(--marcador);color:var(--tiza)}
.tres-tiempos{margin-top:44px;display:grid;grid-template-columns:1.1fr 1fr 1fr 1fr;gap:18px;align-items:center}
.tres-tiempos .titulo h3{font-size:clamp(22px,2.2vw,28px);font-weight:800;font-stretch:108%;letter-spacing:-.018em}
.tres-tiempos .titulo p{color:var(--tiza-3);font-family:var(--display);font-size:14px;margin-top:8px}
.tiempo{border-top:3px solid var(--marcador);padding-top:14px}
.tiempo b{font-family:var(--display);font-weight:800;font-stretch:108%;font-size:22px;letter-spacing:-.015em;display:block}
.tiempo p{color:var(--tiza-2);font-size:15.5px;margin-top:6px}
@media (max-width:900px){.metodo-grid{grid-template-columns:1fr 1fr}.principio:nth-child(3n){border-right:1px solid var(--linea)}.principio:nth-child(2n){border-right:0}.principio:nth-last-child(-n+3){border-bottom:1px solid var(--linea)}.principio:nth-last-child(-n+2){border-bottom:0}.pasos{grid-template-columns:repeat(3,1fr)}.tres-tiempos{grid-template-columns:1fr}}
@media (max-width:560px){.metodo-grid{grid-template-columns:1fr}.principio{border-right:0!important;border-bottom:1px solid var(--linea)!important}.principio:last-child{border-bottom:0!important}}

/* ---------- Frases de pizarra ---------- */
.frases{border-top:1px solid var(--linea);border-bottom:1px solid var(--linea);background:var(--pizarra-2);padding:18px 0;overflow:hidden}
.frases-titulo{padding:0 0 14px}
.frases-pista{display:flex;gap:0;width:max-content;animation:desliza 48s linear infinite}
.frases:hover .frases-pista{animation-play-state:paused}
.frases span{font-family:var(--display);font-weight:800;font-stretch:82%;font-size:clamp(22px,2.6vw,34px);letter-spacing:-.01em;color:var(--tiza-2);white-space:nowrap;padding:0 28px;position:relative}
.frases span::after{content:"";position:absolute;right:-4px;top:50%;width:8px;height:8px;background:var(--marcador);border-radius:50%;transform:translateY(-50%)}
.frases span:nth-child(odd){color:var(--tiza)}
@media (prefers-reduced-motion:reduce){.frases-pista{animation:none;flex-wrap:wrap;width:auto;gap:10px 0}.frases span:nth-child(n+13){display:none}}

/* ---------- Resultados ---------- */
.casos{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:40px}
.caso{background:var(--papel-2);border:1px solid var(--raya);border-radius:6px;padding:22px 22px 20px}
.caso .empresa{font-family:var(--display);font-weight:800;font-stretch:108%;font-size:21px;letter-spacing:-.015em;line-height:1.1}
.caso .periodo{font-family:var(--display);font-size:12px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--marcador-ink);margin-top:6px;font-variant-numeric:tabular-nums}
.caso p{margin-top:12px;font-size:15.5px;color:var(--tinta-2);line-height:1.5}
.testimonios{margin-top:56px}
.testimonios-cab{display:flex;justify-content:space-between;align-items:baseline;gap:16px;flex-wrap:wrap;margin-bottom:18px}
.testimonios-cab h3{font-size:clamp(22px,2.2vw,28px);font-weight:800;font-stretch:108%;letter-spacing:-.018em}
.testimonios-cab p{font-family:var(--display);font-size:14px;color:var(--tinta-3)}
.quotes{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.quote{background:var(--papel-2);border:1px solid var(--raya);border-radius:6px;padding:20px 20px 18px;display:flex;flex-direction:column;gap:12px}
.quote p{font-style:italic;font-size:16px;line-height:1.5;color:var(--tinta)}
.quote p::before{content:"“";color:var(--marcador);font-weight:700;font-style:normal;font-family:var(--display);margin-right:2px}
.quote cite{font-style:normal;font-family:var(--display);font-size:13px;font-weight:700;color:var(--tinta-2);margin-top:auto}
@media (max-width:900px){.casos,.quotes{grid-template-columns:1fr 1fr}}
@media (max-width:600px){.casos,.quotes{grid-template-columns:1fr}}

/* ---------- El Profe ---------- */
.profe{display:grid;grid-template-columns:minmax(260px,.8fr) minmax(0,1.2fr);gap:48px;align-items:start;margin-top:40px}
.profe-foto{position:relative}
.profe-foto img{border-radius:6px;border:1px solid var(--linea);aspect-ratio:4/5;object-fit:cover;object-position:top;width:100%}
.profe-foto .firma{margin-top:14px;font-family:var(--display);font-size:13px;color:var(--tiza-3);line-height:1.5}
.profe-foto .firma b{color:var(--tiza);display:block;font-size:15px}
.profe-texto .cita{font-size:clamp(20px,1.9vw,24px);line-height:1.4;font-style:italic;color:var(--tiza);border-left:4px solid var(--marcador);padding-left:20px;margin-bottom:26px}
.hechos li{padding:14px 0;border-top:1px solid var(--linea);display:grid;grid-template-columns:150px 1fr;gap:16px;font-size:16px;color:var(--tiza-2)}
.hechos li:last-child{border-bottom:1px solid var(--linea)}
.hechos li b{font-family:var(--display);font-weight:700;font-size:13px;letter-spacing:.08em;text-transform:uppercase;color:var(--marcador);padding-top:3px}
.hechos li span strong{color:var(--tiza);font-weight:600}
.profe-marcas{margin-top:22px;display:flex;flex-wrap:wrap;gap:8px}
.profe-marcas span{font-family:var(--display);font-size:12.5px;font-weight:700;letter-spacing:.04em;padding:7px 11px;border:1px solid var(--linea);border-radius:4px;color:var(--tiza-2)}
@media (max-width:820px){.profe{grid-template-columns:1fr}.profe-foto{max-width:360px}.hechos li{grid-template-columns:1fr;gap:4px}}

/* ---------- Libros ---------- */
.libros{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:40px}
.libro{background:var(--papel-2);border:1px solid var(--raya);border-radius:6px;padding:24px;display:grid;grid-template-columns:170px 1fr;gap:24px;align-items:start}
.libro img{width:170px;height:auto;aspect-ratio:219/300;box-shadow:6px 8px 0 rgba(19,23,28,.12);border-radius:2px}
.libro h3{font-size:clamp(20px,1.9vw,24px);font-weight:800;font-stretch:106%;letter-spacing:-.015em}
.libro p{margin-top:10px;font-size:15.5px;color:var(--tinta-2);line-height:1.5}
.libro .btn{margin-top:16px}
.otros-libros{margin-top:18px;display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.otros-libros li{background:transparent;border:1px dashed var(--tinta-3);border-radius:6px;padding:16px 18px;font-family:var(--display);font-weight:700;font-size:15px;letter-spacing:-.005em;color:var(--tinta)}
.otros-libros li span{display:block;font-weight:600;font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--tinta-3);margin-bottom:6px}
@media (max-width:900px){.libros{grid-template-columns:1fr}}
@media (max-width:560px){.libro{grid-template-columns:1fr}.libro img{width:150px}.otros-libros{grid-template-columns:1fr}}

/* ---------- Aprende Ventas ---------- */
.online{background:linear-gradient(180deg,var(--pizarra-2),var(--pizarra));border-top:1px solid var(--linea);border-bottom:1px solid var(--linea)}
.online .wrap{display:grid;grid-template-columns:1.2fr .8fr;gap:40px;align-items:center;padding-top:clamp(56px,7vw,88px);padding-bottom:clamp(56px,7vw,88px)}
.online h2{font-size:clamp(30px,4vw,50px);font-weight:800;font-stretch:108%;letter-spacing:-.022em;margin:14px 0 16px;max-width:18ch}
.online-datos{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.online-datos li{border-top:3px solid var(--marcador);padding-top:12px}
.online-datos b{display:block;font-family:var(--display);font-weight:800;font-stretch:78%;font-size:38px;line-height:1;letter-spacing:-.02em;color:var(--tiza);font-variant-numeric:tabular-nums}
.online-datos span{display:block;margin-top:6px;font-family:var(--display);font-size:13px;color:var(--tiza-2);line-height:1.35}
.online .btn{margin-top:22px}
@media (max-width:820px){.online .wrap{grid-template-columns:1fr}}

/* ---------- FAQ ---------- */
.faq{display:grid;grid-template-columns:1fr 1fr;gap:0 40px;margin-top:36px;border-top:1px solid var(--linea)}
.faq details{border-bottom:1px solid var(--linea)}
.faq summary{cursor:pointer;list-style:none;padding:18px 34px 18px 0;font-family:var(--display);font-weight:700;font-size:17px;letter-spacing:-.005em;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:4px;top:14px;font-size:24px;color:var(--marcador);font-weight:500;line-height:1}
.faq details[open] summary::after{content:"–"}
.faq details p{padding:0 0 20px;color:var(--tiza-2);font-size:16px;max-width:60ch}
@media (max-width:800px){.faq{grid-template-columns:1fr}}

/* ---------- Contacto ---------- */
.contacto{background:var(--marcador);color:#1A1204}
.contacto .wrap{display:grid;grid-template-columns:1.2fr .8fr;gap:40px;align-items:end;padding-top:clamp(64px,8vw,104px);padding-bottom:clamp(56px,7vw,88px)}
.contacto .eyebrow{color:#1A1204}.contacto .eyebrow::before{background:#1A1204}
.contacto h2{font-size:clamp(36px,5.4vw,72px);font-weight:850;font-stretch:112%;letter-spacing:-.03em;line-height:.96;margin:16px 0 18px;max-width:14ch}
.contacto p{font-size:18px;max-width:52ch;color:#3A2A0C}
.contacto .btn-dark{background:#1A1204;color:var(--marcador)}
.contacto .btn-dark:hover{background:#2A1E08}
.contacto-datos{display:grid;gap:14px}
.contacto-datos a,.contacto-datos div{display:block;text-decoration:none;font-family:var(--display);font-weight:700;font-size:17px;padding:14px 0;border-top:1px solid rgba(26,18,4,.25)}
.contacto-datos a span,.contacto-datos div span{display:block;font-size:11.5px;font-weight:650;letter-spacing:.14em;text-transform:uppercase;color:#5B4415;margin-bottom:4px}
.contacto-datos a:hover{text-decoration:underline;text-underline-offset:4px}
.contacto-datos .redes{display:flex;gap:16px;flex-wrap:wrap;font-size:15px}
@media (max-width:820px){.contacto .wrap{grid-template-columns:1fr}}

/* ---------- Footer ---------- */
.pie{padding:34px 0 40px;font-family:var(--display);font-size:13px;color:var(--tiza-3)}
.pie .wrap{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;align-items:center}
.pie b{color:var(--tiza-2);font-weight:700}
.pie a{color:var(--tiza-2);text-decoration:none}
.pie a:hover{color:var(--tiza);text-decoration:underline}
.pie .marcas{display:flex;gap:14px;flex-wrap:wrap}

/* ---------- WhatsApp flotante ---------- */
.wa-flot{position:fixed;right:18px;bottom:18px;z-index:60;width:56px;height:56px;border-radius:50%;background:var(--wa);display:grid;place-items:center;box-shadow:0 8px 24px rgba(0,0,0,.35);text-decoration:none}
.wa-flot svg{width:28px;height:28px}
@media (min-width:981px){.wa-flot{display:none}}

/* ==========================================================
   BLOG · tarjetas (portada y blog), portada del blog, archivos y entradas
   ========================================================== */
.visualmente-oculto{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.nav-links a.activo{color:var(--tiza);border-color:var(--marcador)}
.blog-cab{display:flex;justify-content:space-between;align-items:end;gap:24px;flex-wrap:wrap}
.blog-cab .btn{margin-bottom:6px}
.ideas{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:36px}
.idea{display:flex;flex-direction:column;gap:10px;padding:22px 22px 20px;border-radius:6px;text-decoration:none;color:var(--tiza);background:var(--pizarra-2);border:1px solid var(--linea);transition:border-color .2s,transform .2s;position:relative}
.idea:hover{border-color:var(--marcador);transform:translateY(-3px)}
.idea-fecha{font-family:var(--display);font-size:12px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--marcador);font-variant-numeric:tabular-nums}
.idea-titulo{font-family:var(--display);font-size:21px;font-weight:800;font-stretch:106%;letter-spacing:-.015em;line-height:1.12;text-wrap:balance}
.idea-resumen{font-size:15.5px;line-height:1.5;color:var(--tiza-2);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.idea-mas{margin-top:auto;padding-top:12px;font-family:var(--display);font-size:13px;font-weight:700;letter-spacing:.04em;color:var(--tiza-2)}
.idea-mas::after{content:"";display:inline-block;width:7px;height:7px;border-top:2px solid var(--marcador);border-right:2px solid var(--marcador);transform:rotate(45deg);margin-left:8px;vertical-align:1px}
.papel .idea{background:var(--papel-2);border-color:var(--raya);color:var(--tinta)}
.papel .idea:hover{border-color:var(--marcador-ink)}
.papel .idea-fecha{color:var(--marcador-ink)}
.papel .idea-resumen,.papel .idea-mas{color:var(--tinta-2)}
.papel .idea-mas::after{border-color:var(--marcador-ink)}
@media (max-width:900px){.ideas{grid-template-columns:1fr 1fr}}
@media (max-width:600px){.ideas{grid-template-columns:1fr}}

/* portada del blog y cabeceras de archivo */
.blog-hero{padding:clamp(48px,6vw,80px) 0 clamp(40px,5vw,64px);border-bottom:1px solid var(--linea)}
.blog-hero h1{font-size:clamp(40px,6vw,84px);font-weight:850;font-stretch:112%;letter-spacing:-.03em;line-height:.95;margin:16px 0 18px;max-width:14ch}
.blog-hero h1 em{font-style:normal;color:var(--marcador)}
.blog-hero .eyebrow a{text-decoration:none}
.blog-hero .eyebrow a:hover{text-decoration:underline}
.blog-hero .archivo{margin-top:26px}
.buscador{margin-top:28px;max-width:680px;position:relative}
.buscador input{width:100%;font:600 17px/1.2 var(--display);padding:16px 18px;border-radius:6px;border:1px solid rgba(255,255,255,.22);background:var(--pizarra-2);color:var(--tiza);outline:none;-webkit-appearance:none;appearance:none}
.buscador input:focus{border-color:var(--marcador)}
.buscador input::placeholder{color:var(--tiza-3)}
.buscador-acciones{display:flex;gap:14px;flex-wrap:wrap;margin-top:12px;font-family:var(--display);font-size:13px;color:var(--tiza-3);align-items:center}
.buscador-acciones a{color:var(--tiza-2)}
.buscador-acciones button{background:none;border:1px solid var(--linea);color:var(--tiza-2);border-radius:6px;padding:9px 13px;font:700 13px var(--display);cursor:pointer}
.buscador-acciones button:hover{border-color:var(--marcador);color:var(--tiza)}
.resultados{margin-top:14px;background:var(--pizarra-2);border:1px solid var(--linea);border-radius:6px;overflow:hidden}
.resultados:empty{display:none}
.resultados a{display:block;padding:12px 16px;border-bottom:1px solid var(--linea);text-decoration:none;color:var(--tiza)}
.resultados a:last-child{border-bottom:0}
.resultados a:hover{background:var(--pizarra-3)}
.resultados a b{font-family:var(--display);font-weight:700;font-size:16px;display:block}
.resultados a span{font-size:14px;color:var(--tiza-2)}
.resultados .vacio{padding:12px 16px;color:var(--tiza-3);font-family:var(--display);font-size:13px;border-bottom:1px solid var(--linea)}
.archivo{margin-top:40px}
.archivo h2{font-size:clamp(20px,2vw,26px);font-weight:800;font-stretch:108%;letter-spacing:-.018em;margin-bottom:14px}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chips a{font-family:var(--display);font-size:13.5px;font-weight:700;padding:9px 13px;border:1px solid var(--linea);border-radius:4px;color:var(--tiza-2);text-decoration:none;font-variant-numeric:tabular-nums}
.chips a:hover,.chips a.activo{border-color:var(--marcador);color:var(--tiza)}
.chips a small{font-weight:600;font-size:12px;color:var(--tiza-3);margin-left:6px}
.papel .chips a{border-color:var(--raya);color:var(--tinta-2);background:var(--papel-2)}
.papel .chips a:hover,.papel .chips a.activo{border-color:var(--marcador-ink);color:var(--tinta)}

/* listas por año y por tema */
.lista-cab{display:flex;justify-content:space-between;align-items:end;gap:16px;flex-wrap:wrap}
.lista-cab .h2{margin-bottom:0}
.lista-cab .btn{margin-bottom:4px}
.mes{margin-top:34px}
.mes h2{font-family:var(--display);font-size:13px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--marcador-ink);padding-bottom:8px;border-bottom:2px solid var(--tinta);margin-bottom:4px}
.filas a{display:grid;grid-template-columns:110px 1fr;gap:16px;padding:13px 0;border-bottom:1px solid var(--raya);text-decoration:none;color:var(--tinta);align-items:baseline}
.filas a:hover b{color:var(--marcador-ink)}
.filas time{font-family:var(--display);font-size:13px;font-weight:700;color:var(--tinta-3);font-variant-numeric:tabular-nums}
.filas b{font-family:var(--display);font-size:17px;font-weight:750;letter-spacing:-.01em;display:block;line-height:1.2}
.filas span span{display:block;font-size:15px;color:var(--tinta-2);margin-top:3px}
@media (max-width:560px){.filas a{grid-template-columns:1fr;gap:2px}}

/* entrada */
.post-cab{padding:clamp(48px,6vw,80px) 0 clamp(36px,5vw,56px)}
.post-cab .eyebrow a{text-decoration:none}
.post-cab .eyebrow a:hover{text-decoration:underline}
.post-cab h1{font-size:clamp(34px,5vw,68px);font-weight:850;font-stretch:110%;letter-spacing:-.028em;line-height:.98;margin:16px 0 18px;max-width:18ch}
.post-autor{font-family:var(--display);font-size:14px;color:var(--tiza-3)}
.post-autor b{color:var(--tiza-2)}
.post-lectura{padding-top:clamp(48px,6vw,72px)}
.post-lectura .wrap{max-width:860px}
.post-figura{margin:0 0 30px}
.post-figura img{border-radius:6px;width:100%;height:auto}
.post-cuerpo{font-size:19px;line-height:1.65;color:var(--tinta)}
.post-cuerpo>p:first-child{font-size:21px;line-height:1.55}
.post-cuerpo p{margin:0 0 1.15em}
.post-cuerpo h2,.post-cuerpo h3,.post-cuerpo h4{margin:1.5em 0 .55em;letter-spacing:-.015em;font-stretch:106%;font-weight:800;line-height:1.1}
.post-cuerpo h2{font-size:clamp(26px,2.6vw,34px)}
.post-cuerpo h3{font-size:clamp(22px,2.2vw,27px)}
.post-cuerpo h4{font-size:20px}
.post-cuerpo ul,.post-cuerpo ol{margin:0 0 1.15em;padding-left:1.4em;list-style:revert}
.post-cuerpo li{margin:.35em 0}
.post-cuerpo blockquote{margin:1.4em 0;padding:4px 0 4px 20px;border-left:4px solid var(--marcador);font-style:italic;color:var(--tinta-2)}
.post-cuerpo blockquote p:last-child{margin-bottom:0}
.post-cuerpo a{color:var(--marcador-ink);text-decoration-thickness:1px;text-underline-offset:3px}
.post-cuerpo strong{font-weight:700}
.post-cuerpo img{margin:1.4em 0;border-radius:6px}
.post-cuerpo hr{border:0;height:1px;background:var(--raya);margin:2em 0}
.post-cuerpo table{border-collapse:collapse;margin:0 0 1.15em;font-size:16px}
.post-cuerpo th,.post-cuerpo td{border:1px solid var(--raya);padding:8px 12px;text-align:left}
.compartir{margin-top:44px;padding-top:22px;border-top:1px solid var(--raya);display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.compartir span{font-family:var(--display);font-size:12px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--tinta-3);margin-right:6px}
.compartir a,.compartir button{font:700 13.5px var(--display);padding:9px 13px;border:1px solid var(--raya);border-radius:4px;background:var(--papel-2);color:var(--tinta);text-decoration:none;cursor:pointer}
.compartir a:hover,.compartir button:hover{border-color:var(--tinta)}
.vecinos{margin-top:28px;display:grid;grid-template-columns:1fr 1fr;gap:14px}
.vecinos a{display:block;padding:18px 20px;border:1px solid var(--raya);border-radius:6px;background:var(--papel-2);text-decoration:none;color:var(--tinta)}
.vecinos a:hover{border-color:var(--marcador-ink)}
.vecinos a small{display:block;font-family:var(--display);font-size:11.5px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--tinta-3);margin-bottom:6px}
.vecinos a b{font-family:var(--display);font-size:16.5px;font-weight:750;letter-spacing:-.01em;line-height:1.2}
.vecinos a.siguiente{text-align:right}
@media (max-width:560px){.vecinos{grid-template-columns:1fr}.vecinos a.siguiente{text-align:left}}
.relacionadas .ideas{margin-top:28px}
.cta-post{background:var(--marcador);color:#1A1204;padding:clamp(48px,6vw,72px) 0}
.cta-post .wrap{display:grid;grid-template-columns:1.3fr .7fr;gap:32px;align-items:center}
.cta-post .eyebrow{color:#1A1204}.cta-post .eyebrow::before{background:#1A1204}
.cta-post h2{font-size:clamp(28px,3.6vw,46px);font-weight:850;font-stretch:112%;letter-spacing:-.028em;line-height:1;max-width:18ch;margin-top:14px}
.cta-post p{margin-top:12px;font-size:17px;color:#3A2A0C;max-width:52ch}
.cta-post .acciones{display:flex;flex-direction:column;gap:10px}
.cta-post .btn-dark{background:#1A1204;color:var(--marcador);justify-content:center}
.cta-post .btn-dark:hover{background:#2A1E08}
.cta-post .btn-linea{color:#1A1204;border-color:rgba(26,18,4,.4);justify-content:center}
.cta-post .btn-linea:hover{border-color:#1A1204}
@media (max-width:820px){.cta-post .wrap{grid-template-columns:1fr}}
.band.papel > .wrap > .mes:first-child{margin-top:0}
.post-cab .eyebrow,.blog-hero .eyebrow{flex-wrap:wrap;row-gap:4px}