/* =========================================================
   Proyecto Estudio — Sistema de estilos
   Identidad: Rojo #E64046 · Grafito #25282B · Montserrat + Lato
   ========================================================= */

:root{
  --rojo:#E64046;
  --rojo-osc:#C9352F;
  --grafito:#25282B;
  --gris-graf:#4D4D4D;
  --gris-med:#9CA3AF;
  --gris-claro:#F2F2F2;
  --gris-suave:#F7F7F8;
  --blanco:#FFFFFF;
  --linea:#E7E7E9;

  --texto:#25282B;
  --texto-suave:#5b6067;

  --fuente-tit:'Montserrat',system-ui,-apple-system,'Segoe UI',sans-serif;
  --fuente-txt:'Lato',system-ui,-apple-system,'Segoe UI',sans-serif;

  --radio:14px;
  --radio-sm:10px;
  --sombra:0 1px 2px rgba(37,40,43,.06), 0 8px 30px rgba(37,40,43,.06);
  --sombra-fuerte:0 18px 50px rgba(37,40,43,.14);
  --max:1160px;
  --gutter:22px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
html,body{overflow-x:hidden}
.menu__mobile{display:none}
body{
  margin:0;
  font-family:var(--fuente-txt);
  color:var(--texto);
  background:var(--blanco);
  font-size:17px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}

h1,h2,h3,h4{font-family:var(--fuente-tit);color:var(--grafito);line-height:1.15;margin:0;text-wrap:balance;font-weight:700}
h1{font-size:clamp(2.1rem,5vw,3.4rem);letter-spacing:-.02em}
h2{font-size:clamp(1.55rem,3vw,2.3rem);letter-spacing:-.01em}
h3{font-size:1.2rem;font-weight:600}
p{margin:0}

.wrap{max-width:var(--max);margin-inline:auto;padding-inline:var(--gutter)}
.section{padding-block:clamp(56px,8vw,104px)}
.section--suave{background:var(--gris-suave)}
.section--claro{background:var(--gris-claro)}
.section--grafito{background:var(--grafito);color:#EDEEEF}
.section--grafito h1,.section--grafito h2,.section--grafito h3{color:#fff}

.eyebrow{
  font-family:var(--fuente-tit);
  text-transform:uppercase;letter-spacing:.16em;font-size:.74rem;font-weight:700;
  color:var(--rojo);margin:0 0 14px
}
.section--grafito .eyebrow{color:#ff7a7f}
.lead{font-size:clamp(1.05rem,1.6vw,1.22rem);color:var(--texto-suave);max-width:62ch}
.center{text-align:center;margin-inline:auto}
.center .lead{margin-inline:auto}

/* ---------- Botones ---------- */
.btn{
  display:inline-flex;align-items:center;gap:.55em;
  font-family:var(--fuente-tit);font-weight:600;font-size:.98rem;
  padding:.85em 1.5em;border-radius:999px;border:2px solid transparent;
  cursor:pointer;transition:.18s ease;white-space:nowrap
}
.btn svg{width:1em;height:1em}
.btn--primary{background:var(--rojo);color:#fff}
.btn--primary:hover{background:var(--rojo-osc)}
.btn--ghost{background:transparent;color:var(--grafito);border-color:var(--linea)}
.btn--ghost:hover{border-color:var(--grafito)}
.btn--light{background:#fff;color:var(--grafito)}
.btn--light:hover{background:#f1f1f1}
.btn--outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.5)}
.btn--outline-light:hover{border-color:#fff}
.btn:focus-visible,a:focus-visible,button:focus-visible{outline:3px solid #ffb3b6;outline-offset:2px}

/* ---------- Header ---------- */
.header{position:sticky;top:env(safe-area-inset-top,0px);z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--linea)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:72px}
.brand{display:flex;align-items:center;gap:12px}
.brand__logo{height:46px;width:auto;display:block}
.footer__brand .brand__logo{height:44px}
.brand__mark{width:40px;height:40px;flex:none}
.brand__txt{display:flex;flex-direction:column;line-height:1}
.brand__name{font-family:var(--fuente-tit);font-weight:700;font-size:1.12rem;color:var(--grafito);letter-spacing:-.01em}
.brand__name b{color:var(--rojo);font-weight:700}
.brand__sub{font-family:var(--fuente-tit);font-size:.56rem;letter-spacing:.22em;text-transform:uppercase;color:var(--gris-med);margin-top:3px}
.menu{display:flex;align-items:center;gap:26px}
.menu a{font-family:var(--fuente-tit);font-weight:600;font-size:.93rem;color:var(--gris-graf);transition:.15s}
.menu a:hover,.menu a.is-active{color:var(--rojo)}
.nav__cta{display:flex;align-items:center;gap:12px}
.nav__toggle{display:none;background:none;border:0;cursor:pointer;padding:8px;color:var(--grafito)}
.nav__toggle svg{width:26px;height:26px}

/* ---------- Hero ---------- */
.hero{position:relative;background:
  radial-gradient(120% 120% at 100% 0%, rgba(230,64,70,.08), transparent 55%),
  radial-gradient(90% 90% at 0% 100%, rgba(37,40,43,.05), transparent 50%),
  var(--blanco)}
.hero__grid{display:grid;grid-template-columns:1.05fr .95fr;gap:54px;align-items:center;padding-block:clamp(52px,7vw,92px)}
.hero__eyebrow{display:inline-flex;align-items:center;gap:9px;background:#fff;border:1px solid var(--linea);border-radius:999px;padding:7px 15px;font-family:var(--fuente-tit);font-weight:600;font-size:.8rem;color:var(--gris-graf);box-shadow:var(--sombra);margin-bottom:22px}
.hero__eyebrow .dot{width:8px;height:8px;border-radius:50%;background:var(--rojo)}
.hero h1{margin-bottom:20px}
.hero h1 em{font-style:normal;color:var(--rojo)}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero__stats{display:flex;gap:32px;margin-top:38px;flex-wrap:wrap}
.hero__stat b{font-family:var(--fuente-tit);font-size:1.7rem;color:var(--grafito);display:block}
.hero__stat span{font-size:.9rem;color:var(--texto-suave)}
.hero__art{position:relative;aspect-ratio:1/1;border-radius:26px;overflow:hidden;background:
  linear-gradient(150deg,var(--grafito),#3a3f45);
  box-shadow:var(--sombra-fuerte);display:grid;place-items:center;padding:34px}
.hero__card{position:absolute;background:#fff;border-radius:var(--radio);box-shadow:var(--sombra-fuerte);padding:16px 18px;display:flex;gap:12px;align-items:center}
.hero__card svg{width:34px;height:34px;flex:none;color:var(--rojo)}
.hero__card b{font-family:var(--fuente-tit);font-size:.95rem;color:var(--grafito);display:block}
.hero__card span{font-size:.8rem;color:var(--texto-suave)}
.hero__card--a{top:24px;left:-14px}
.hero__card--b{bottom:26px;right:-10px}
.hero__ribbon{width:min(74%,320px);color:#fff;text-align:center}
.hero__ribbon .k{font-family:var(--fuente-tit);font-weight:700;font-size:1.35rem;line-height:1.25}
.hero__ribbon .s{opacity:.75;margin-top:12px;font-size:.95rem}

/* ---------- Áreas / cards ---------- */
.grid{display:grid;gap:22px}
.grid--3{grid-template-columns:repeat(3,1fr)}
.grid--2{grid-template-columns:repeat(2,1fr)}
.card{background:#fff;border:1px solid var(--linea);border-radius:var(--radio);padding:26px;transition:.2s ease;height:100%}
a.card:hover{transform:translateY(-4px);box-shadow:var(--sombra-fuerte);border-color:transparent}
.card__ico{width:46px;height:46px;border-radius:12px;background:rgba(230,64,70,.1);color:var(--rojo);display:grid;place-items:center;margin-bottom:16px}
.card__ico svg{width:24px;height:24px}
.card h3{margin-bottom:8px}
.card p{color:var(--texto-suave);font-size:.98rem}
.card__more{display:inline-flex;align-items:center;gap:6px;margin-top:14px;color:var(--rojo);font-family:var(--fuente-tit);font-weight:600;font-size:.9rem}

.section__head{max-width:720px;margin-bottom:42px}
.section__head.center{margin-inline:auto}

/* ---------- Franja destacada / split ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.split__media{position:relative;border-radius:var(--radio);overflow:hidden;box-shadow:var(--sombra);background:var(--gris-claro);aspect-ratio:4/3;display:grid;place-items:center;color:var(--gris-med)}
.split__media--photo{padding:0;background:var(--grafito)}
.split__media--photo img{width:100%;height:100%;object-fit:cover;filter:grayscale(100%) contrast(1.03) brightness(1.02)}
.split__media--photo::after{content:"";position:absolute;inset:0;background:linear-gradient(145deg,rgba(230,64,70,.42),rgba(37,40,43,.80))}
.pill{display:inline-flex;align-items:center;gap:8px;background:rgba(230,64,70,.1);color:var(--rojo-osc);font-family:var(--fuente-tit);font-weight:600;font-size:.8rem;padding:6px 13px;border-radius:999px;margin-bottom:16px}
.check{list-style:none;padding:0;margin:22px 0 0;display:grid;gap:12px}
.check li{display:flex;gap:12px;align-items:flex-start;color:var(--texto)}
.check svg{width:22px;height:22px;flex:none;color:var(--rojo);margin-top:1px}

/* ---------- Pasos ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;counter-reset:s}
.step{background:#fff;border:1px solid var(--linea);border-radius:var(--radio);padding:24px;position:relative}
.step__n{font-family:var(--fuente-tit);font-weight:700;color:var(--rojo);font-size:1rem;margin-bottom:8px}
.step h3{margin-bottom:6px}
.step p{color:var(--texto-suave);font-size:.96rem}

/* ---------- Curso destacado ---------- */
.course{display:grid;grid-template-columns:1.1fr .9fr;gap:0;border-radius:var(--radio);overflow:hidden;box-shadow:var(--sombra-fuerte);background:#fff}
.course__body{padding:clamp(26px,4vw,44px)}
.course__meta{display:flex;gap:10px;flex-wrap:wrap;margin:16px 0 18px}
.tag{font-family:var(--fuente-tit);font-weight:600;font-size:.8rem;padding:5px 12px;border-radius:999px;background:var(--gris-claro);color:var(--gris-graf)}
.tag--rojo{background:rgba(230,64,70,.12);color:var(--rojo-osc)}
.course__side{background:linear-gradient(160deg,var(--grafito),#3a3f45);color:#fff;padding:clamp(26px,4vw,44px);display:flex;flex-direction:column;justify-content:center;gap:14px}
.course__side .big{font-family:var(--fuente-tit);font-weight:700;font-size:2.4rem;line-height:1}
.course__side ul{list-style:none;padding:0;margin:6px 0 0;display:grid;gap:10px;font-size:.95rem;opacity:.9}
.course__side li{display:flex;gap:9px;align-items:center}
.course__side li::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--rojo);flex:none}

/* ---------- CTA final ---------- */
.cta-band{background:var(--grafito);color:#fff;border-radius:var(--radio);padding:clamp(34px,5vw,60px);text-align:center;background-image:radial-gradient(80% 120% at 100% 0%,rgba(230,64,70,.22),transparent 60%)}
.cta-band h2{color:#fff;margin-bottom:14px}
.cta-band p{color:#cfd1d3;max-width:56ch;margin:0 auto 26px}

/* ---------- Aviso / nota ---------- */
.note{background:#fff8f0;border:1px solid #f4d9b8;border-radius:var(--radio-sm);padding:14px 18px;font-size:.9rem;color:#7a5320;display:flex;gap:10px}
.note svg{width:20px;height:20px;flex:none;color:#c9832a}

/* ---------- FAQ ---------- */
.faq{max-width:760px;margin-inline:auto;display:grid;gap:12px}
.faq details{background:#fff;border:1px solid var(--linea);border-radius:var(--radio-sm);padding:2px 20px}
.faq summary{font-family:var(--fuente-tit);font-weight:600;color:var(--grafito);cursor:pointer;padding:16px 0;list-style:none;display:flex;justify-content:space-between;gap:14px;align-items:center}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--rojo);font-size:1.4rem;font-family:var(--fuente-tit)}
.faq details[open] summary::after{content:"–"}
.faq p{padding:0 0 18px;color:var(--texto-suave);font-size:.97rem}

/* ---------- Formulario ---------- */
.form{background:#fff;border:1px solid var(--linea);border-radius:var(--radio);padding:clamp(22px,3vw,34px);box-shadow:var(--sombra)}
.field{display:grid;gap:6px;margin-bottom:16px}
.field label{font-family:var(--fuente-tit);font-weight:600;font-size:.9rem;color:var(--grafito)}
.field input,.field select,.field textarea{font-family:var(--fuente-txt);font-size:1rem;padding:12px 14px;border:1px solid var(--linea);border-radius:var(--radio-sm);background:#fff;color:var(--texto)}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--rojo)}
.field--row{grid-template-columns:1fr 1fr;gap:14px}
.consent{display:flex;gap:10px;font-size:.85rem;color:var(--texto-suave);align-items:flex-start;margin-bottom:18px}
.consent input{margin-top:4px}

/* ---------- Breadcrumbs ---------- */
.crumbs{font-size:.85rem;color:var(--gris-med);padding-top:22px}
.crumbs a:hover{color:var(--rojo)}
.crumbs span{margin:0 6px}

/* ---------- Page hero (interior) ---------- */
.phero{background:linear-gradient(180deg,var(--gris-suave),#fff);padding-block:clamp(38px,6vw,72px)}
.phero h1{margin-bottom:16px}
.phero .lead{max-width:64ch}

/* ---------- Footer ---------- */
.footer{background:var(--grafito);color:#c3c6c9;padding-block:56px 30px;font-size:.92rem}
.footer__grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:34px}
.footer h4{color:#fff;font-size:.82rem;text-transform:uppercase;letter-spacing:.12em;margin-bottom:16px}
.footer ul{list-style:none;padding:0;margin:0;display:grid;gap:9px}
.footer a:hover{color:#fff}
.footer__brand .brand__name{color:#fff}
.footer__brand p{margin-top:14px;max-width:34ch;color:#9aa0a5}
.footer__bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:38px;padding-top:20px;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;color:#8a9095;font-size:.82rem}
.footer__bottom a:hover{color:#fff}

/* ---------- Responsive ---------- */
@media (max-width:920px){
  .hero__grid{grid-template-columns:1fr;gap:36px}
  .hero__art{max-width:440px}
  .split{grid-template-columns:1fr;gap:30px}
  .course{grid-template-columns:1fr}
  .grid--3,.steps{grid-template-columns:1fr 1fr}
  .footer__grid{grid-template-columns:1fr 1fr}
}
@media (max-width:640px){
  .menu,.nav__cta .btn{display:none}
  .nav__toggle{display:inline-flex}
  .menu.is-open{display:flex;position:absolute;top:100%;left:0;right:0;flex-direction:column;align-items:flex-start;gap:2px;background:#fff;border-bottom:1px solid var(--linea);padding:14px var(--gutter) 20px}
  .menu.is-open a{padding:9px 0;width:100%}
  .menu.is-open .menu__mobile{display:block}
  .menu.is-open .menu__mobile{border-top:1px solid var(--linea);margin-top:6px}
  .menu.is-open .menu__mobile--cta{color:var(--rojo)}
  .grid--3,.grid--2,.steps,.field--row{grid-template-columns:1fr}
  .footer__grid{grid-template-columns:1fr 1fr}
  .hero__stats{gap:22px}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto}}

/* =========================================================
   Home v2 — cursos por delante + venta
   ========================================================= */
.trustbar{display:flex;flex-wrap:wrap;gap:12px 24px;margin-top:30px}
.trustbar .ti{display:inline-flex;align-items:center;gap:8px;font-family:var(--fuente-tit);font-weight:600;font-size:.88rem;color:var(--gris-graf)}
.trustbar .ti svg{width:18px;height:18px;color:var(--rojo);flex:none}

.sec-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:34px;flex-wrap:wrap}
.sec-head-row .lead{margin-top:8px}

.courses-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.ccard{background:#fff;border:1px solid var(--linea);border-radius:var(--radio);overflow:hidden;display:flex;flex-direction:column;transition:.2s ease}
a.ccard:hover{transform:translateY(-4px);box-shadow:var(--sombra-fuerte);border-color:transparent}
.ccard__top{position:relative;aspect-ratio:16/9;background:linear-gradient(150deg,var(--grafito),#3a3f45);display:grid;place-items:center;overflow:hidden}
.ccard__top::after{content:"";position:absolute;inset:0;background:radial-gradient(120% 120% at 100% 0,rgba(230,64,70,.38),transparent 60%)}
.ccard__top svg{width:46px;height:46px;color:#fff;opacity:.94;position:relative;z-index:1}
.ccard__badge{position:absolute;z-index:2;top:12px;left:12px;background:var(--rojo);color:#fff;font-family:var(--fuente-tit);font-weight:700;font-size:.68rem;letter-spacing:.05em;text-transform:uppercase;padding:5px 11px;border-radius:999px}
.ccard__badge--soon{background:rgba(255,255,255,.92);color:var(--gris-graf)}
.ccard__body{padding:20px 20px 18px;display:flex;flex-direction:column;gap:9px;flex:1}
.ccard__area{font-family:var(--fuente-tit);font-weight:700;font-size:.72rem;text-transform:uppercase;letter-spacing:.13em;color:var(--rojo)}
.ccard h3{font-size:1.1rem;line-height:1.25}
.ccard__meta{display:flex;gap:8px;flex-wrap:wrap;margin-top:2px}
.ccard__foot{margin-top:auto;display:flex;align-items:center;gap:7px;color:var(--rojo);font-family:var(--fuente-tit);font-weight:600;font-size:.9rem;padding-top:12px}

.foot-note{font-size:.8rem;color:var(--texto-suave);margin-top:16px}

.values{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.value{padding:28px;border-radius:var(--radio);background:#fff;border:1px solid var(--linea)}
.value__ico{width:48px;height:48px;border-radius:12px;background:var(--grafito);color:#fff;display:grid;place-items:center;margin-bottom:16px}
.value__ico svg{width:24px;height:24px}
.value h3{margin-bottom:8px}
.value p{color:var(--texto-suave);font-size:.98rem}

.trust{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;text-align:center}
.trust .t b{font-family:var(--fuente-tit);font-weight:700;font-size:2rem;color:#fff;display:block}
.trust .t span{color:#c3c6c9;font-size:.92rem}

@media(max-width:920px){
  .courses-grid,.values{grid-template-columns:1fr 1fr}
  .trust{grid-template-columns:1fr 1fr;gap:30px 22px}
}
@media(max-width:640px){
  .courses-grid,.values{grid-template-columns:1fr}
  .sec-head-row{align-items:flex-start}
}
.ccard__foot svg{width:16px;height:16px;flex:none}
.card__more svg{width:15px;height:15px;flex:none}

/* =========================================================
   Header v2 — más limpio (menos apartados, 1 botón)
   ========================================================= */
.brand__logo{height:38px}
.nav{min-height:66px}
.menu{gap:30px}
.menu a{font-size:.92rem;font-weight:600;color:var(--gris-graf)}
.nav__login{font-family:var(--fuente-tit);font-weight:600;font-size:.9rem;color:var(--gris-graf);display:inline-flex;align-items:center;transition:.15s}
.nav__login:hover{color:var(--rojo)}
.btn--sm{padding:.6em 1.2em;font-size:.9rem}
.nav__cta{gap:18px}
@media(max-width:640px){
  .nav__login{display:none}
}