/* =========================================================================
   PSA — Project Solving Academy · Sitio web v1
   Dirección visual: "Blueprint Pro" (marino profundo, retícula técnica,
   anotaciones, hitos en rombo) + secciones claras de lectura.
   Tokens de marca: marca/tokens.css · Kit: marca/brand-kit.md
   Rojo de acción ≤ 10 %: solo botones principales, hitos y subrayados.
   ========================================================================= */

@font-face { font-family: "Montserrat"; font-weight: 700; font-display: swap; src: url("../fonts/montserrat-700-latin.woff2") format("woff2"); }
@font-face { font-family: "Montserrat"; font-weight: 800; font-display: swap; src: url("../fonts/montserrat-800-latin.woff2") format("woff2"); }
@font-face { font-family: "Montserrat"; font-weight: 900; font-display: swap; src: url("../fonts/montserrat-900-latin.woff2") format("woff2"); }
@font-face { font-family: "Inter"; font-weight: 400; font-display: swap; src: url("../fonts/inter-400-latin.woff2") format("woff2"); }
@font-face { font-family: "Inter"; font-weight: 500; font-display: swap; src: url("../fonts/inter-500-latin.woff2") format("woff2"); }
@font-face { font-family: "Inter"; font-weight: 600; font-display: swap; src: url("../fonts/inter-600-latin.woff2") format("woff2"); }
@font-face { font-family: "Inter"; font-weight: 700; font-display: swap; src: url("../fonts/inter-700-latin.woff2") format("woff2"); }

:root {
  --rojo: #FE0002;
  --rojo-accion: #D60002;      /* rojo PSA ajustado para texto blanco AA (5,4:1) */
  --rojo-oscuro: #B80002;
  --rojo-suave: #FFE6E6;
  --marino: #114568;
  --marino-profundo: #0A2540;
  --marino-noche: #071B30;
  --marino-suave: #E4EDF5;
  --turquesa: #3A8B7C;
  --turquesa-oscuro: #26635A;
  --turquesa-suave: #E0F0EC;
  --salvia: #6BA280;
  --salvia-claro: #8CC4A1;     /* salvia aclarada para texto sobre marino */
  --tinta: #1F1E1E;
  --grafito: #4A5260;
  --gris: #8A94A3;
  --linea: #D5DAE1;
  --papel: #FAFAF7;
  --blanco: #FFFFFF;

  --f-titulo: "Montserrat", "Arial Black", sans-serif;
  --f-texto: "Inter", "Segoe UI", system-ui, sans-serif;

  --r-sm: 10px;
  --r-md: 16px;
  --ancho: 1160px;
  --gutter: clamp(16px, 4vw, 40px);

  --retina: linear-gradient(rgba(255,255,255,.06) 1px, transparent 1px) 0 0 / 32px 32px,
            linear-gradient(90deg, rgba(255,255,255,.06) 1px, transparent 1px) 0 0 / 32px 32px,
            linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px) 0 0 / 8px 8px,
            linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px) 0 0 / 8px 8px;
}

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { animation: none !important; transition: none !important; } }
body {
  margin: 0;
  font-family: var(--f-texto);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--tinta);
  background: var(--papel);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}
img, svg { max-width: 100%; height: auto; display: block; }
a { color: var(--marino); text-underline-offset: .18em; text-decoration-thickness: 1px; }
a:hover { color: var(--rojo-oscuro); }
:focus-visible { outline: 3px solid var(--rojo); outline-offset: 3px; border-radius: 4px; }
h1, h2, h3, h4 { font-family: var(--f-titulo); line-height: 1.12; margin: 0 0 .5em; color: var(--marino-profundo); letter-spacing: -.01em; }
h1 { font-weight: 900; font-size: clamp(2.1rem, 5.4vw, 3.9rem); }
h2 { font-weight: 800; font-size: clamp(1.6rem, 3.4vw, 2.5rem); }
h3 { font-weight: 800; font-size: clamp(1.15rem, 1.8vw, 1.35rem); }
p { margin: 0 0 1em; }
ul, ol { padding-left: 1.2em; }
li { margin-bottom: .35em; }
strong { font-weight: 700; }
small { font-size: .85em; }

.skip { position: absolute; left: -9999px; top: 0; background: var(--blanco); color: var(--marino-profundo); padding: .6rem 1rem; z-index: 100; font-weight: 600; }
.skip:focus { left: 1rem; top: 1rem; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

.contenedor { width: 100%; max-width: var(--ancho); margin: 0 auto; padding: 0 var(--gutter); }
.estrecho { max-width: 780px; }

/* ---------- Anotación técnica (etiqueta tipo plano) ---------- */
.cota {
  display: inline-flex; align-items: center; gap: .6em;
  font-family: var(--f-texto); font-weight: 600; font-size: .78rem;
  letter-spacing: .14em; text-transform: uppercase;
  color: var(--grafito); margin: 0 0 1rem;
}
.cota::before { content: ""; width: 28px; height: 1px; background: currentColor; }
.oscuro .cota { color: rgba(255,255,255,.72); }
.cota--rojo::before { background: var(--rojo); height: 2px; }

/* ---------- Botones ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .55em;
  min-height: 48px; padding: .8em 1.4em;
  font-family: var(--f-titulo); font-weight: 800; font-size: 1rem; letter-spacing: .02em;
  border-radius: var(--r-sm); border: 2px solid transparent;
  text-decoration: none; cursor: pointer; transition: transform .15s ease, background-color .15s ease, border-color .15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn--accion { background: var(--rojo-accion); color: var(--blanco); }
.btn--accion:hover { background: var(--rojo-oscuro); color: var(--blanco); }
.btn--linea { background: transparent; color: var(--marino-profundo); border-color: var(--marino); }
.btn--linea:hover { background: var(--marino-suave); color: var(--marino-profundo); }
.oscuro .btn--linea { color: var(--blanco); border-color: rgba(255,255,255,.55); }
.oscuro .btn--linea:hover { background: rgba(255,255,255,.08); color: var(--blanco); border-color: var(--blanco); }
.btn .flecha { transition: transform .15s ease; }
.btn:hover .flecha { transform: translateX(3px); }
.acciones { display: flex; flex-wrap: wrap; gap: .75rem; align-items: center; }

/* ---------- Cabecera ---------- */
.cabecera { background: var(--marino-noche); color: var(--blanco); border-bottom: 1px solid rgba(255,255,255,.08); position: relative; z-index: 10; }
.cabecera .contenedor { display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 68px; flex-wrap: wrap; }
.marca { display: inline-flex; align-items: center; flex-shrink: 0; }
.marca img { width: 118px; height: auto; }
.nav { display: flex; align-items: center; gap: clamp(.75rem, 2.4vw, 1.75rem); }
.nav a { color: rgba(255,255,255,.86); text-decoration: none; font-weight: 500; font-size: .95rem; padding: .4rem 0; border-bottom: 2px solid transparent; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--blanco); border-bottom-color: var(--rojo); }
.nav .btn { min-height: 40px; padding: .5em 1em; font-size: .9rem; border-bottom: 0; color: var(--blanco); }
@media (max-width: 720px) {
  .cabecera .contenedor { padding-top: .6rem; padding-bottom: .5rem; min-height: 0; }
  .marca img { width: 96px; }
  .nav { width: 100%; justify-content: space-between; gap: .5rem; order: 3; padding-top: .35rem; border-top: 1px solid rgba(255,255,255,.08); }
  .nav a { font-size: .88rem; }
  .nav .btn { padding: .45em .8em; font-size: .82rem; }
}

/* ---------- Secciones oscuras (blueprint) ---------- */
.oscuro { background: var(--marino-profundo); color: rgba(255,255,255,.9); position: relative; }
.oscuro h1, .oscuro h2, .oscuro h3 { color: var(--blanco); }
.oscuro a:not(.btn) { color: var(--blanco); }
.retina { background: var(--retina), var(--marino-profundo); }

.hero { padding: clamp(3rem, 8vw, 6.5rem) 0 clamp(3rem, 7vw, 5.5rem); overflow: hidden; }
.hero h1 { text-transform: uppercase; letter-spacing: -.005em; max-width: 15ch; }
.hero h1 .subraya { position: relative; white-space: nowrap; }
.hero h1 .subraya::after { content: ""; position: absolute; left: 0; right: 0; bottom: -.04em; height: .09em; background: var(--rojo); transform-origin: left; animation: trazo .9s .35s cubic-bezier(.6,.05,.2,1) both; }
@keyframes trazo { from { transform: scaleX(0); } to { transform: scaleX(1); } }
.hero .lead { font-size: clamp(1.08rem, 1.7vw, 1.3rem); max-width: 40ch; color: rgba(255,255,255,.86); margin-bottom: 1.8rem; }
.hero-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: clamp(2rem, 5vw, 4rem); align-items: center; }
@media (max-width: 900px) { .hero-grid { grid-template-columns: 1fr; } }

/* Esquinas de plano */
.esquinas { position: relative; }
.esquinas::before, .esquinas::after { content: ""; position: absolute; width: 34px; height: 34px; border-color: rgba(255,255,255,.35); border-style: solid; pointer-events: none; }
.esquinas::before { top: 18px; left: 18px; border-width: 1px 0 0 1px; }
.esquinas::after { bottom: 18px; right: 18px; border-width: 0 1px 1px 0; }
@media (max-width: 600px) { .esquinas::before, .esquinas::after { width: 22px; height: 22px; top: 10px; left: 10px; } .esquinas::after { top: auto; left: auto; bottom: 10px; right: 10px; } }

.entra { animation: entra .7s cubic-bezier(.2,.7,.2,1) both; }
.entra-2 { animation-delay: .12s; } .entra-3 { animation-delay: .24s; } .entra-4 { animation-delay: .36s; }
@keyframes entra { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }

/* ---------- Panel "plano" del hero ---------- */
.plano {
  border: 1px solid rgba(255,255,255,.28); border-radius: 4px; padding: 1.4rem 1.4rem 1.2rem;
  background: rgba(7,27,48,.55); backdrop-filter: blur(2px); position: relative;
}
.plano-titulo { display: flex; justify-content: space-between; align-items: baseline; gap: 1rem; font-size: .72rem; letter-spacing: .14em; text-transform: uppercase; color: rgba(255,255,255,.7); border-bottom: 1px dashed rgba(255,255,255,.25); padding-bottom: .7rem; margin-bottom: 1rem; }
.plano-titulo strong { color: var(--blanco); font-family: var(--f-titulo); font-weight: 800; letter-spacing: .08em; font-size: .82rem; }
.ruta { list-style: none; margin: 0; padding: 0 0 0 1.6rem; position: relative; }
.ruta::before { content: ""; position: absolute; left: .42rem; top: .5rem; bottom: .5rem; width: 1px; background: rgba(255,255,255,.4); }
.ruta li { position: relative; margin: 0 0 .95rem; line-height: 1.35; }
.ruta li:last-child { margin-bottom: 0; }
.ruta li::before { content: ""; position: absolute; left: -1.53rem; top: .32rem; width: 10px; height: 10px; border: 1px solid var(--blanco); background: var(--marino-profundo); transform: rotate(45deg); }
.ruta li.hito::before { background: var(--rojo); border-color: var(--rojo); width: 12px; height: 12px; left: -1.6rem; top: .26rem; }
.ruta .f { display: block; font-size: .72rem; letter-spacing: .12em; text-transform: uppercase; color: rgba(255,255,255,.66); }
.ruta .t { font-weight: 600; color: var(--blanco); font-size: .98rem; }
.plano-pie { margin-top: 1rem; padding-top: .7rem; border-top: 1px dashed rgba(255,255,255,.25); font-size: .78rem; color: rgba(255,255,255,.66); }

/* ---------- Secciones claras ---------- */
.seccion { padding: clamp(3.5rem, 8vw, 6rem) 0; }
.seccion--blanca { background: var(--blanco); }
.seccion--borde { border-top: 1px solid var(--linea); }
.cabeza { max-width: 720px; margin-bottom: clamp(2rem, 4vw, 3rem); }
.cabeza p { color: var(--grafito); font-size: 1.1rem; }

.rejilla { display: grid; gap: clamp(1rem, 2.4vw, 1.5rem); }
.rejilla-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.rejilla-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
@media (max-width: 900px) { .rejilla-3 { grid-template-columns: 1fr; } }
@media (max-width: 720px) { .rejilla-2 { grid-template-columns: 1fr; } }

/* Tarjeta técnica */
.ficha { background: var(--blanco); border: 1px solid var(--linea); border-radius: var(--r-sm); padding: 1.5rem 1.4rem 1.4rem; position: relative; }
.seccion--blanca .ficha { background: var(--papel); }
.ficha h3 { margin-top: .2rem; }
.ficha p:last-child, .ficha ul:last-child { margin-bottom: 0; }
.ficha .num { display: inline-block; font-family: var(--f-texto); font-weight: 700; font-size: .75rem; letter-spacing: .14em; text-transform: uppercase; color: var(--marino); background: var(--marino-suave); padding: .25rem .55rem; border-radius: 3px; margin-bottom: .8rem; }
.ficha--hito .num { background: var(--rojo-accion); color: var(--blanco); }
.ficha .pie-ficha { margin-top: 1rem; font-size: .78rem; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; color: var(--turquesa-oscuro); }
.ficha--tenue { background: transparent; border-style: dashed; }
.etiqueta { display: inline-block; font-size: .72rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; padding: .2rem .5rem; border-radius: 3px; background: var(--turquesa-suave); color: var(--turquesa-oscuro); }
.etiqueta--gris { background: #EEF0F3; color: var(--grafito); }

/* Fichas en fondo oscuro */
.oscuro .ficha { background: rgba(255,255,255,.03); border-color: rgba(255,255,255,.22); color: rgba(255,255,255,.86); }
.oscuro .ficha h3 { color: var(--blanco); }
.oscuro .ficha .num { background: var(--blanco); color: var(--marino-profundo); }
.oscuro .ficha--hito .num { background: var(--rojo-accion); color: var(--blanco); }
.oscuro .ficha .pie-ficha { color: var(--salvia-claro); }

/* Lista con check */
.checks { list-style: none; padding: 0; margin: 0 0 1.2rem; }
.checks li { position: relative; padding-left: 1.9rem; margin-bottom: .6rem; }
.checks li::before { content: ""; position: absolute; left: 0; top: .3em; width: 1.1rem; height: 1.1rem; border-radius: 3px; background: var(--turquesa-suave) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M3.5 8.5l3 3 6-7' fill='none' stroke='%2326635A' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/80% no-repeat; }
.oscuro .checks li::before { background-color: rgba(107,162,128,.2); background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M3.5 8.5l3 3 6-7' fill='none' stroke='%238CC4A1' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E"); }
.equis li::before { background: #EEF0F3 url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M4.5 4.5l7 7M11.5 4.5l-7 7' fill='none' stroke='%234A5260' stroke-width='2' stroke-linecap='round'/%3E%3C/svg%3E") center/80% no-repeat; }

/* ---------- Línea de tiempo horizontal (cronograma) ---------- */
.cronograma { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); position: relative; }
.cronograma::before { content: ""; position: absolute; left: 0; right: 0; top: 7px; height: 1px; background: rgba(255,255,255,.45); }
.cronograma li { position: relative; padding: 2rem 1rem 0 0; margin: 0; }
.cronograma li::before { content: ""; position: absolute; top: 1px; left: 0; width: 12px; height: 12px; border: 1px solid var(--blanco); background: var(--marino-profundo); transform: rotate(45deg); }
.cronograma li.hito::before { background: var(--rojo); border-color: var(--rojo); }
.cronograma .f { display: block; font-family: var(--f-titulo); font-weight: 800; font-size: 1.15rem; color: var(--blanco); }
.cronograma .t { display: block; font-size: .92rem; color: rgba(255,255,255,.8); line-height: 1.45; margin-top: .3rem; }
@media (max-width: 820px) {
  .cronograma { grid-template-columns: 1fr; padding-left: 1.6rem; }
  .cronograma::before { left: 6px; right: auto; top: .4rem; bottom: .4rem; width: 1px; height: auto; }
  .cronograma li { padding: 0 0 1.3rem; }
  .cronograma li::before { left: -1.6rem; top: .35rem; }
}

/* ---------- Precio ---------- */
.precio-caja { border: 1px solid rgba(255,255,255,.3); border-radius: 4px; padding: clamp(1.4rem, 3vw, 2rem); background: rgba(7,27,48,.6); }
.precio { font-family: var(--f-titulo); font-weight: 900; color: var(--blanco); line-height: 1; font-size: clamp(3.2rem, 8vw, 4.6rem); letter-spacing: -.02em; margin: .2rem 0 .3rem; }
.precio small { font-size: .32em; font-weight: 700; letter-spacing: 0; color: rgba(255,255,255,.75); }
.precio .mon { font-size: .4em; vertical-align: .9em; margin-right: .1em; font-weight: 800; }

.escalera { width: 100%; border-collapse: collapse; font-size: .98rem; }
.escalera caption { text-align: left; font-size: .85rem; color: var(--grafito); caption-side: bottom; padding-top: .8rem; }
.escalera th, .escalera td { text-align: left; padding: .9rem .8rem; border-bottom: 1px solid var(--linea); vertical-align: top; }
.escalera thead th { font-size: .74rem; letter-spacing: .12em; text-transform: uppercase; color: var(--grafito); font-weight: 700; border-bottom: 2px solid var(--marino); }
.escalera td.monto { font-family: var(--f-titulo); font-weight: 800; color: var(--marino-profundo); white-space: nowrap; font-variant-numeric: tabular-nums; }
.escalera tr.actual { background: var(--rojo-suave); }
.escalera tr.actual td:first-child { box-shadow: inset 4px 0 0 var(--rojo); }
@media (max-width: 600px) { .escalera th, .escalera td { padding: .7rem .5rem; font-size: .92rem; } }

/* ---------- Preguntas frecuentes ---------- */
.faq { border-top: 1px solid var(--linea); }
.faq details { border-bottom: 1px solid var(--linea); }
.faq summary { list-style: none; cursor: pointer; padding: 1.1rem 2.4rem 1.1rem 0; position: relative; font-family: var(--f-titulo); font-weight: 700; font-size: 1.05rem; color: var(--marino-profundo); }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: ""; position: absolute; right: .4rem; top: 50%; width: 12px; height: 12px; margin-top: -8px; border-right: 2px solid var(--marino); border-bottom: 2px solid var(--marino); transform: rotate(45deg); transition: transform .2s ease; }
.faq details[open] summary::after { transform: rotate(-135deg); margin-top: -2px; }
.faq .resp { padding: 0 0 1.2rem; color: var(--grafito); max-width: 70ch; }
.faq .resp p:last-child { margin-bottom: 0; }

/* ---------- Banda CTA ---------- */
.banda { padding: clamp(3rem, 7vw, 5rem) 0; text-align: left; }
.banda .contenedor { display: grid; grid-template-columns: 1fr auto; gap: 2rem; align-items: center; }
@media (max-width: 760px) { .banda .contenedor { grid-template-columns: 1fr; } }
.banda h2 { margin-bottom: .3em; }
.banda p { margin: 0; color: rgba(255,255,255,.8); max-width: 55ch; }

/* ---------- Sobre Jairo ---------- */
.autor { display: grid; grid-template-columns: 220px 1fr; gap: clamp(1.5rem, 4vw, 3rem); align-items: start; }
@media (max-width: 720px) { .autor { grid-template-columns: 1fr; } }
.retrato { aspect-ratio: 4 / 5; border-radius: var(--r-sm); background: var(--retina), var(--marino-profundo); display: grid; place-items: center; color: var(--blanco); font-family: var(--f-titulo); font-weight: 900; font-size: 3.4rem; letter-spacing: .02em; position: relative; max-width: 220px; }
.retrato--foto { overflow: hidden; }
.retrato--foto picture, .retrato--foto img { display: block; width: 100%; height: 100%; }
.retrato--foto img { object-fit: cover; object-position: 50% 20%; }
.retrato::after { content: "PMP®"; position: absolute; bottom: 12px; left: 12px; font-size: .72rem; font-family: var(--f-texto); font-weight: 700; letter-spacing: .14em; background: var(--blanco); color: var(--marino-profundo); padding: .25rem .5rem; border-radius: 3px; }

/* ---------- Formulario ---------- */
.formulario { background: var(--blanco); color: var(--tinta); border-radius: var(--r-md); padding: clamp(1.4rem, 3.5vw, 2rem); box-shadow: 0 30px 60px -30px rgba(0,0,0,.55); border-top: 4px solid var(--rojo); }
.formulario h2 { font-size: 1.35rem; color: var(--marino-profundo); }
.campo { margin-bottom: 1rem; }
.campo label { display: block; font-weight: 600; font-size: .92rem; margin-bottom: .35rem; color: var(--tinta); }
.campo input[type="text"], .campo input[type="email"] {
  width: 100%; min-height: 48px; padding: .7rem .85rem; font: inherit; font-size: 1rem; color: var(--tinta);
  border: 1px solid #B9C1CC; border-radius: 8px; background: var(--blanco);
}
.campo input:focus { outline: 3px solid rgba(17,69,104,.35); outline-offset: 0; border-color: var(--marino); }
.consentimiento { display: grid; grid-template-columns: auto 1fr; gap: .65rem; align-items: start; font-size: .86rem; line-height: 1.5; color: var(--grafito); margin: 1.1rem 0 1.2rem; }
.consentimiento input { width: 20px; height: 20px; margin: .15rem 0 0; accent-color: var(--marino); }
.formulario .btn { width: 100%; }
.nota-form { font-size: .8rem; color: var(--grafito); margin: .9rem 0 0; }
.aviso-form { display: none; margin-top: .9rem; padding: .7rem .9rem; border-radius: 8px; background: var(--marino-suave); color: var(--marino-profundo); font-size: .88rem; }
.aviso-form.visible { display: block; }
.trampa { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

/* ---------- Texto legal / lectura ---------- */
.lectura { padding: clamp(2.5rem, 6vw, 4.5rem) 0 clamp(3rem, 7vw, 5rem); }
.lectura h2 { font-size: clamp(1.3rem, 2.4vw, 1.6rem); margin-top: 2.2em; padding-top: .2em; }
.lectura h3 { margin-top: 1.6em; }
.lectura p, .lectura li { color: #2C2F36; }
.lectura .meta { color: var(--grafito); font-size: .92rem; }
.indice { background: var(--blanco); border: 1px solid var(--linea); border-radius: var(--r-sm); padding: 1.1rem 1.3rem; margin: 1.8rem 0; font-size: .95rem; }
.indice ol { margin: .4rem 0 0; }
.cabecera-pagina { padding: clamp(2.5rem, 6vw, 4rem) 0 clamp(2rem, 5vw, 3rem); }
.cabecera-pagina h1 { font-size: clamp(1.8rem, 4.4vw, 2.9rem); text-transform: none; max-width: 22ch; }
.cabecera-pagina p { color: rgba(255,255,255,.8); max-width: 60ch; margin: 0; }

/* ---------- Pie ---------- */
.pie { background: var(--marino-noche); color: rgba(255,255,255,.74); padding: 3rem 0 2rem; font-size: .9rem; }
.pie a { color: rgba(255,255,255,.9); }
.pie a:hover { color: var(--blanco); }
.pie-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 2rem; margin-bottom: 2rem; }
@media (max-width: 760px) { .pie-grid { grid-template-columns: 1fr; gap: 1.5rem; } }
.pie img { width: 130px; margin-bottom: .9rem; }
.pie h2 { font-size: .78rem; letter-spacing: .14em; text-transform: uppercase; color: rgba(255,255,255,.66); font-family: var(--f-texto); font-weight: 700; margin-bottom: .8rem; }
.pie ul { list-style: none; padding: 0; margin: 0; }
.pie li { margin-bottom: .45rem; }
.legal { border-top: 1px solid rgba(255,255,255,.12); padding-top: 1.4rem; font-size: .78rem; line-height: 1.6; color: rgba(255,255,255,.62); }
.legal p { margin-bottom: .6rem; }

/* ---------- Utilidades ---------- */
.centro { text-align: center; }
.mt-0 { margin-top: 0; }
.mt-2 { margin-top: 2rem; }
.mb-0 { margin-bottom: 0; }
.texto-gris { color: var(--grafito); }
.oscuro .texto-gris { color: rgba(255,255,255,.72); }
.aviso { border-left: 3px solid var(--marino); background: var(--marino-suave); padding: 1rem 1.2rem; border-radius: 0 var(--r-sm) var(--r-sm) 0; font-size: .95rem; color: var(--marino-profundo); }
.aviso p:last-child { margin-bottom: 0; }
.dos-col { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 5vw, 4rem); align-items: start; }
@media (max-width: 860px) { .dos-col { grid-template-columns: 1fr; } }
.cifras { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 1px; background: rgba(255,255,255,.2); border: 1px solid rgba(255,255,255,.2); margin-top: 2.2rem; max-width: 560px; }
.cifras div { background: var(--marino-profundo); padding: .9rem 1rem; }
.cifras b { display: block; font-family: var(--f-titulo); font-weight: 900; font-size: 1.6rem; color: var(--blanco); line-height: 1.1; }
.cifras span { font-size: .72rem; letter-spacing: .12em; text-transform: uppercase; color: rgba(255,255,255,.7); }
@media (max-width: 420px) { .cifras b { font-size: 1.3rem; } .cifras div { padding: .75rem .7rem; } .cifras span { font-size: .64rem; letter-spacing: .08em; } }
.btn--bloque { width: 100%; }
.nota-precio { margin: .9rem 0 0; }
.nav a { white-space: nowrap; }
@media (max-width: 720px) {
  .ocultar-movil { display: none; }
  .nav { justify-content: flex-start; gap: 1rem; }
  .nav .btn { margin-left: auto; }
}
@media (max-width: 359px) { .nav { gap: .7rem; } .nav a { font-size: .82rem; } }
.oscuro .formulario a:not(.btn) { color: var(--marino); font-weight: 600; }
.oscuro .formulario h2 { color: var(--marino-profundo); }

/* ---------- Sellos de certificación ---------- */
.sellos { list-style: none; padding: 0; margin: 0 0 1rem; display: flex; flex-wrap: wrap; gap: .45rem; }
.sellos li { font-size: .8rem; font-weight: 700; letter-spacing: .02em; padding: .3rem .6rem; border: 1px solid #C9D1DC; border-radius: 999px; color: var(--marino-profundo); background: var(--blanco); }

/* ---------- Página de pago (/academia/unirme/) ---------- */
.cabecera--simple .contenedor { justify-content: center; }
@media (min-width: 721px) { .cabecera--simple .contenedor { justify-content: flex-start; } }
.sello { display: inline-block; font-size: .78rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; padding: .3rem .65rem; border-radius: 3px; background: var(--turquesa-suave); color: var(--turquesa-oscuro); margin: 0 0 1rem; }
.letra-chica { font-size: .85rem; color: rgba(255,255,255,.72); margin: .9rem 0 0; line-height: 1.5; }
.pasos { list-style: none; margin: 0; padding: 0; counter-reset: paso; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: clamp(1rem, 2.4vw, 1.5rem); }
.pasos li { counter-increment: paso; margin: 0; background: var(--blanco); border: 1px solid var(--linea); border-radius: var(--r-sm); padding: 1.3rem 1.2rem; position: relative; }
.pasos li::before { content: counter(paso, decimal-leading-zero); display: block; font-family: var(--f-titulo); font-weight: 900; font-size: 1.5rem; color: var(--marino); line-height: 1; margin-bottom: .6rem; }
.pasos li.hito::before { color: var(--rojo-accion); }
.pasos strong { display: block; font-family: var(--f-titulo); font-weight: 800; color: var(--marino-profundo); margin-bottom: .25rem; }
@media (max-width: 900px) { .pasos { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 520px) { .pasos { grid-template-columns: 1fr; } }
.confianza { font-size: .85rem; color: rgba(255,255,255,.72); margin: .8rem 0 0; }
.banda .cierre { display: flex; flex-direction: column; align-items: flex-start; }
@media (min-width: 761px) { .banda .cierre { align-items: flex-end; text-align: right; } }
.pie--simple { padding-top: 2rem; }
.pie--simple .enlaces-legales { margin: 0 0 1rem; }
.pie--simple .enlaces-legales a { margin-right: 1rem; }

/* La hoja hotmart-fb.min.css pinta .hotmart__button-checkout de verde (con !important en
   color y subrayado). Estas reglas, más específicas, devuelven el botón a la marca. */
.btn.hotmart__button-checkout {
  display: inline-flex; border-radius: var(--r-sm); border: 2px solid transparent;
  font-family: var(--f-titulo); font-weight: 800; font-size: 1rem; letter-spacing: .02em;
  line-height: 1.65; padding: .8em 1.4em; text-shadow: none; box-shadow: none;
  transition: transform .15s ease, background-color .15s ease, border-color .15s ease;
}
.btn--accion.hotmart__button-checkout,
.btn--accion.hotmart__button-checkout:focus { background: var(--rojo-accion); }
.btn--accion.hotmart__button-checkout:hover,
.btn--accion.hotmart__button-checkout:active { background: var(--rojo-oscuro); }
@media (max-width: 420px) { .btn.hotmart__button-checkout { padding: .8em 1em; } }
/* Fancybox (widget de Hotmart) intenta inyectar un <style> para compensar la barra de
   desplazamiento al abrir el checkout; la CSP lo bloquea. Reservar el canal de la barra
   evita el salto de diseño y que fancybox lo intente. */
.pagina-pago { scrollbar-gutter: stable; }

/* ---------- Cursos gratis (/cursos-gratis/) ---------- */
.curso { display: flex; flex-direction: column; }
.curso p { color: var(--grafito); }
.curso .curso-btn { margin-top: auto; align-self: flex-start; }
.curso > p:last-of-type { margin-bottom: 1.2rem; }
.curso-cab { display: flex; align-items: center; justify-content: space-between; gap: .75rem; margin-bottom: .9rem; padding-bottom: .7rem; border-bottom: 1px dashed var(--linea); }
.curso-cab .num { margin-bottom: 0; }
.curso-n { font-family: var(--f-titulo); font-weight: 900; font-size: 1.6rem; line-height: 1; color: var(--marino); letter-spacing: -.01em; position: relative; padding-left: 1.1rem; }
.curso-n::before { content: ""; position: absolute; left: 0; top: 50%; width: 8px; height: 8px; margin-top: -4px; border: 1px solid var(--marino); transform: rotate(45deg); }
.curso-nota { font-size: .78rem; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; color: var(--turquesa-oscuro) !important; }
.curso--destacado { margin-bottom: clamp(1rem, 2.4vw, 1.5rem); border-color: var(--marino); border-top: 3px solid var(--rojo-accion); }
.curso--destacado .curso-n { color: var(--rojo-accion); font-size: 2rem; }
.curso--destacado .curso-n::before { background: var(--rojo-accion); border-color: var(--rojo-accion); }
.curso--destacado h3 { font-size: clamp(1.3rem, 2.4vw, 1.7rem); }
.curso-cuerpo { display: grid; grid-template-columns: 1fr auto; gap: 1.5rem 2rem; align-items: end; }
.curso-cuerpo p:last-child { margin-bottom: 0; }
.curso--destacado .curso-btn { margin-top: 0; }
@media (max-width: 760px) { .curso-cuerpo { grid-template-columns: 1fr; } }
@media (max-width: 420px) { .curso .curso-btn { align-self: stretch; } }

.enlace-sec { font-weight: 600; color: var(--marino); text-underline-offset: 3px; }
.enlace-sec:hover { color: var(--marino-profundo); }

/* Menú con 4 pestañas en celular: el botón sube a la fila del logo (a la derecha)
   y las 4 pestañas ocupan solas la segunda fila. */
@media (max-width: 720px) {
  .cabecera .contenedor { position: relative; }
  .cabecera .nav { justify-content: space-between; gap: .5rem; }
  .cabecera .nav .btn { position: absolute; top: .6rem; right: var(--gutter); margin-left: 0; }
}
@media (max-width: 359px) { .cabecera .nav a:not(.btn) { font-size: .78rem; } }
@media (min-width: 721px) and (max-width: 900px) { .cabecera .ocultar-movil { display: none; } }