:root {
  --fondo: #f3f5f8; --fondo-2: #e6ebf2; --blanco: #ffffff; --tinta: #1f2329; --gris: #5a6472;
  --marino: #34495f; --marino-osc: #2a3b4e; --rojo: #a9474f; --rojo-osc: #8a363e; --rojo-suave: #f6e8e9; --linea: #d9dee6;
  --radio: 8px; --serif: "Fraunces", Georgia, serif; --sans: "Instrument Sans", system-ui, sans-serif;
}
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--fondo); color: var(--tinta); font: 400 17px/1.6 var(--sans); }
img { max-width: 100%; display: block; }
a { color: var(--rojo-osc); text-underline-offset: 3px; }
h1, h2, h3 { font-family: var(--serif); font-weight: 500; line-height: 1.12; margin: 0 0 .5em; letter-spacing: -.01em; }
h1 { font-size: clamp(2.2rem, 6vw, 4.1rem); }
h2 { font-size: clamp(1.7rem, 3.6vw, 2.5rem); }
h3 { font-size: 1.32rem; }
p { margin: 0 0 1em; }
:focus-visible { outline: 3px solid var(--marino); outline-offset: 2px; }
.wrap { width: min(1160px, 100%); margin-inline: auto; padding-inline: 20px; }
.narrow { max-width: 720px; }
.muted { color: var(--gris); }
.small { font-size: .88rem; }
.eyebrow { font-size: .78rem; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; color: var(--rojo); margin-bottom: .7em; }
.section { padding-block: clamp(48px, 8vw, 88px); }
.section-alt { background: var(--fondo-2); }
.section-head { display: flex; justify-content: space-between; align-items: end; gap: 20px; flex-wrap: wrap; margin-bottom: 30px; }
.section-head h2 { margin: 0; }

.demo-banner { background: var(--tinta); color: #fff; font-size: .85rem; padding: 7px 0; text-align: center; }
.site-header { background: var(--blanco); border-bottom: 1px solid var(--linea); }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; gap: 8px 24px; flex-wrap: wrap; padding-block: 12px; }
@media (max-width: 420px) { .brand .word { width: 140px; } }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.brand img { height: auto; }
.brand .mark { width: 34px; }
.brand .word { width: 168px; }
.site-nav { display: flex; align-items: center; gap: 4px 20px; flex-wrap: wrap; font-size: .95rem; }
.site-nav a { color: var(--tinta); text-decoration: none; padding: 6px 0; }
.site-nav a:hover { color: var(--rojo); }
.site-nav form { margin: 0; }
.link-button { background: none; border: 0; padding: 6px 0; font: inherit; color: var(--gris); cursor: pointer; }
.link-button:hover { color: var(--rojo); }

.button { display: inline-block; min-height: 44px; background: var(--rojo); color: #fff; border: 1px solid var(--rojo); border-radius: var(--radio); padding: 12px 22px; font: 600 1rem var(--sans); text-align: center; text-decoration: none; cursor: pointer; transition: background .15s; }
.button:hover { background: var(--rojo-osc); color: #fff; }
.button.secondary { background: transparent; color: var(--marino); border-color: var(--marino); }
.button.secondary:hover { background: var(--marino); border-color: var(--marino); color: #fff; }
.button.block { display: block; width: 100%; }

.messages { list-style: none; margin: 16px auto 0; }
.messages li { background: var(--blanco); border-left: 4px solid var(--marino); padding: 10px 16px; margin-bottom: 8px; }
.messages li.error { border-color: var(--rojo); }

.hero { background: var(--marino); color: #fff; }
.hero .wrap { display: grid; grid-template-columns: 1.35fr 1fr; gap: clamp(28px, 6vw, 72px); align-items: center; padding-block: clamp(48px, 8vw, 96px); }
.hero h1 { margin-bottom: .4em; }
.hero p.lead { font-size: 1.16rem; color: #d7dee8; max-width: 34em; }
.hero .eyebrow { color: #f1c9cc; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 24px; }
.hero .button.secondary { color: #fff; border-color: #fff; }
.hero .button.secondary:hover { background: #fff; color: var(--marino); }
.hero-photos { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.hero-photos img { border-radius: var(--radio); aspect-ratio: 4/3; object-fit: cover; width: 100%; }
.tagline-logo { font-size: .8rem; font-weight: 600; letter-spacing: .2em; }
.next-strip { background: var(--blanco); border-bottom: 1px solid var(--linea); }
.next-strip .wrap { display: flex; flex-wrap: wrap; gap: 8px 28px; align-items: center; justify-content: space-between; padding-block: 18px; }
.next-strip strong { font-family: var(--serif); font-weight: 500; font-size: 1.2rem; }
.next-class { background: var(--fondo); color: var(--tinta); border-radius: var(--radio); padding: 26px; }
.next-class .big-date { font: 500 3.2rem/1 var(--serif); color: var(--rojo); }
.next-class h2 { font-size: 1.5rem; margin: 10px 0 6px; }
.next-class a.title { color: inherit; text-decoration: none; }
.next-class a.title:hover { color: var(--rojo); }

.topics { display: flex; flex-wrap: wrap; gap: 8px 28px; font: 500 1.28rem var(--serif); margin: 0; padding: 0; list-style: none; }
.topics li:not(:last-child)::after { content: "·"; color: var(--rojo); margin-left: 28px; }

.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(290px, 1fr)); gap: 22px; }
.card { background: var(--blanco); border: 1px solid var(--linea); border-radius: var(--radio); display: flex; flex-direction: column; overflow: hidden; }
.card-media { aspect-ratio: 16/9; object-fit: cover; width: 100%; }
.card-media.poster { aspect-ratio: 1; }
.promo { color: var(--rojo); font-size: .78rem; font-weight: 600; margin-left: 4px; }
.book-cover { aspect-ratio: 4/3; background: var(--marino); color: #fff; display: flex; flex-direction: column; justify-content: space-between; padding: 22px; }
.book-cover img { width: 34px; filter: invert(1); }
.book-cover span { font: 500 1.35rem/1.15 var(--serif); }
.poster-main { border-radius: var(--radio); width: 100%; max-width: 560px; margin-bottom: 20px; }
.contact-line { margin-top: 18px; padding-top: 16px; border-top: 1px solid var(--linea); font-size: .9rem; }
.plan-group { margin-top: 48px; }
.footer-logo { width: 150px; }
.card-body { padding: 22px; display: flex; flex-direction: column; flex: 1; }
.card-body h3 a { color: inherit; text-decoration: none; }
.card-body h3 a:hover { color: var(--rojo); }
.card-foot { margin-top: auto; padding-top: 14px; display: flex; justify-content: space-between; align-items: baseline; gap: 12px; border-top: 1px solid var(--linea); }
.price { font: 500 1.3rem var(--serif); }
.price small { font: 400 .75rem var(--sans); color: var(--gris); }
.date-row { display: flex; gap: 14px; align-items: center; margin-bottom: 14px; }
.date-chip { background: var(--rojo); color: #fff; border-radius: var(--radio); text-align: center; padding: 7px 12px; line-height: 1.1; flex: none; }
.date-chip b { display: block; font: 500 1.55rem var(--serif); }
.date-chip span { font-size: .68rem; text-transform: uppercase; letter-spacing: .08em; }
.seats-low { color: var(--rojo); font-weight: 600; }
.badge { display: inline-block; font-size: .76rem; font-weight: 600; padding: 2px 10px; border-radius: 99px; background: var(--fondo-2); color: var(--tinta); }
.badge.ok { background: var(--fondo-2); color: var(--marino); }
.badge.warn { background: var(--rojo-suave); color: var(--rojo-osc); }

.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(28px, 6vw, 72px); align-items: center; }
.plans { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 18px; }
.plan { background: var(--blanco); border: 1px solid var(--linea); border-radius: var(--radio); padding: 26px; display: flex; flex-direction: column; }
.plan .amount { font: 500 2.5rem/1.1 var(--serif); }
.plan form, .plan .button { margin-top: auto; }
.plan .tagline { margin-bottom: 18px; }

.month-tabs { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 24px; }
.month-tabs a { padding: 7px 14px; border: 1px solid var(--linea); border-radius: 99px; background: var(--blanco); color: var(--tinta); text-decoration: none; font-size: .92rem; }
.month-tabs a:hover { border-color: var(--marino); }
.month-tabs a.active { background: var(--marino); border-color: var(--marino); color: #fff; }
.month-tabs small { opacity: .75; margin-left: 2px; }
.month-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 16px; }
.month-head h2 { margin: 0; text-align: center; }
.month-head .button { padding: 6px 16px; font-size: 1.2rem; line-height: 1.2; }
.month-grid { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); gap: 1px; background: var(--linea); border: 1px solid var(--linea); border-radius: var(--radio); overflow: hidden; margin-bottom: 40px; }
.month-weekday { background: var(--fondo-2); padding: 8px; font-size: .78rem; font-weight: 600; text-align: center; color: var(--marino); }
.month-day { background: var(--blanco); min-height: 108px; padding: 6px; display: flex; flex-direction: column; gap: 4px; }
.month-day.outside { background: var(--fondo); }
.month-day.outside .month-num { opacity: .45; }
.month-day.today .month-num { color: var(--rojo); font-weight: 700; }
.month-num { font-size: .82rem; color: var(--gris); }
.month-course { display: block; padding: 3px 6px; border-radius: 4px; background: var(--fondo-2); color: var(--marino); font-size: .76rem; font-weight: 500; line-height: 1.25; text-decoration: none; overflow-wrap: anywhere; }
.month-course:hover { background: var(--marino); color: #fff; }
.month-course.full { background: var(--rojo-suave); color: var(--rojo-osc); text-decoration: line-through; }
.month-list-title { margin-bottom: 16px; }
.page-head { padding-block: clamp(36px, 6vw, 64px) 8px; }
.detail { display: grid; grid-template-columns: minmax(0, 1.6fr) minmax(300px, 1fr); gap: clamp(28px, 5vw, 56px); align-items: start; padding-block: 28px 80px; }
.panel { background: var(--blanco); border: 1px solid var(--linea); border-radius: var(--radio); padding: 26px; }
.sticky { position: sticky; top: 16px; }
.facts { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 14px 24px; margin: 22px 0; padding: 20px 0; border-block: 1px solid var(--linea); }
.facts dt { font-size: .78rem; text-transform: uppercase; letter-spacing: .08em; color: var(--gris); }
.facts dd { margin: 0; font-weight: 500; }
.checklist { padding: 0; list-style: none; }
.checklist li { padding-left: 26px; position: relative; margin-bottom: 6px; }
.checklist li::before { content: "✓"; position: absolute; left: 0; color: var(--marino); font-weight: 700; }
.lessons { list-style: none; padding: 0; margin: 0; border-top: 1px solid var(--linea); }
.lessons li { border-bottom: 1px solid var(--linea); padding: 12px 0; display: flex; justify-content: space-between; gap: 14px; }
.lessons a { color: inherit; }
.lessons .current { font-weight: 600; color: var(--rojo); }

form p, .field { margin: 0 0 16px; }
label { display: block; font-weight: 500; font-size: .93rem; margin-bottom: 4px; }
input:not([type=checkbox]):not([type=radio]):not([type=hidden]), select, textarea { width: 100%; padding: 11px 12px; font: inherit; background: #fff; border: 1px solid #b6bfcb; border-radius: var(--radio); color: var(--tinta); }
.errorlist { list-style: none; padding: 0; margin: 4px 0 0; color: var(--rojo); font-size: .88rem; }
.helptext { display: block; font-size: .82rem; color: var(--gris); margin-top: 3px; }
.helptext ul { padding-left: 18px; margin: 4px 0 0; }
.pay-options { border: 1px solid var(--linea); border-radius: var(--radio); padding: 10px 14px; margin: 0 0 16px; }
.pay-options legend { font-weight: 500; font-size: .93rem; padding: 0 4px; }
.pay-options label { display: flex; gap: 8px; align-items: center; font-weight: 400; margin: 4px 0; }
.pay-summary { margin: 0 0 16px; font-size: .9rem; }
.pay-summary > div { display: flex; justify-content: space-between; gap: 14px; padding: 3px 0; }
.pay-summary > div[hidden] { display: none; }
.pay-summary dd { margin: 0; font-weight: 500; white-space: nowrap; }
.pay-summary .total { border-top: 1px solid var(--linea); margin-top: 4px; padding-top: 7px; font-weight: 600; font-size: 1rem; }
.pending { background: var(--rojo-suave); color: var(--rojo-osc); padding: 0 4px; border-radius: 3px; font-weight: 600; }
.legal ul { padding-left: 22px; }
.legal li { margin-bottom: 6px; }
.consent { display: flex; gap: 10px; align-items: flex-start; font-weight: 400; font-size: .86rem; line-height: 1.45; margin: 0 0 14px; }
.consent input { margin-top: 3px; width: 18px; height: 18px; flex: none; }
.book-photo { aspect-ratio: 3/4; object-position: top; }
.reader-bar { position: sticky; top: 0; z-index: 5; display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 10px 16px; background: var(--marino); color: #fff; }
.reader-bar a { color: #fff; text-decoration: none; padding: 6px 0; white-space: nowrap; }
.reader-bar strong { font-size: .95rem; font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; flex: 1; text-align: center; }
.reader-bar span { white-space: nowrap; }
.reader-pages { background: #5a6472; display: flex; flex-direction: column; align-items: center; gap: 8px; padding: 8px 0; -webkit-user-select: none; user-select: none; -webkit-touch-callout: none; }
.reader-pages img { width: 100%; max-width: 900px; height: auto; background: #fff; min-height: 300px; }
.ticket { max-width: 460px; margin: 0 auto; background: var(--blanco); border: 1px solid var(--linea); border-radius: var(--radio); padding: 26px; }
.ticket-logo { width: 150px; margin: 0 auto 10px; }
.ticket h1 { font-size: 1.5rem; text-align: center; margin-top: 12px; }
.ticket-concept { padding: 12px 0; border-block: 1px solid var(--linea); }
.mobile-cta { display: none; }
/* Pantalla de carga con el logo (portada) */
.intro { position: fixed; inset: 0; z-index: 100; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 28px; background: var(--marino-osc); transition: opacity .6s ease, visibility .6s; animation: intro-out .6s ease 8s forwards; }
.intro.done { opacity: 0; visibility: hidden; pointer-events: none; }
.intro-box { position: relative; width: min(260px, 60vw); }
.intro-box img { display: block; width: 100%; height: auto; }
.intro-base { opacity: .22; }
.intro-fill { position: absolute; inset: 0; clip-path: inset(100% 0 0 0); animation: intro-fill 1.9s cubic-bezier(.45, .05, .25, 1) .15s forwards; }
.intro-bar { width: min(200px, 50vw); height: 3px; border-radius: 99px; background: rgb(255 255 255 / .18); overflow: hidden; }
.intro-bar i { display: block; height: 100%; width: 100%; background: #fff; transform-origin: left; transform: scaleX(0); animation: intro-bar 1.9s cubic-bezier(.45, .05, .25, 1) .15s forwards; }
@keyframes intro-fill { to { clip-path: inset(0); } }
@keyframes intro-bar { to { transform: scaleX(1); } }
@keyframes intro-out { to { opacity: 0; visibility: hidden; pointer-events: none; } }
@media (prefers-reduced-motion: reduce) { .intro-fill, .intro-bar i { animation-duration: .5s; } }

.quick-links { display: flex; flex-wrap: wrap; gap: 6px 20px; margin-top: 22px; font-size: .92rem; }
.quick-links a { color: #d7dee8; }
.steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 18px; }
.step { background: var(--blanco); border: 1px solid var(--linea); border-radius: var(--radio); padding: 24px; }
.step h3 { font-size: 1.15rem; }
.step p { margin: 0; font-size: .95rem; color: var(--gris); }
.step-num { display: inline-grid; place-items: center; width: 32px; height: 32px; border-radius: 50%; background: var(--rojo); color: #fff; font: 600 .95rem var(--sans); margin-bottom: 12px; }
.social { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 22px; align-items: start; }
.fb-feed { width: 100%; height: 480px; border: 1px solid var(--linea); border-radius: var(--radio); background: var(--blanco); }
.social-links { display: grid; gap: 14px; }
.social-card { display: block; background: var(--blanco); border: 1px solid var(--linea); border-radius: var(--radio); padding: 22px; color: var(--tinta); text-decoration: none; }
.social-card:hover { border-color: var(--marino); }
.social-card strong { display: block; font: 500 1.3rem var(--serif); margin-bottom: 4px; }
.social-card span { color: var(--gris); font-size: .95rem; }
.testimonial { margin: 0; background: var(--blanco); border: 1px solid var(--linea); border-radius: var(--radio); padding: 24px; display: flex; flex-direction: column; gap: 16px; }
.testimonial blockquote { margin: 0; font: 400 1.05rem/1.55 var(--serif); }
.testimonial blockquote::before { content: "“"; color: var(--rojo); font-size: 2rem; line-height: 0; margin-right: 2px; }
.testimonial figcaption { margin-top: auto; display: flex; align-items: center; gap: 12px; }
.testimonial figcaption img { width: 44px; height: 44px; border-radius: 50%; object-fit: cover; }
.testimonial figcaption small { display: block; color: var(--gris); }
@media (max-width: 820px) { .social { grid-template-columns: minmax(0, 1fr); } }

@media print {
  .site-header, .site-footer, .demo-banner, .messages, .ticket-print, .reader-pages { display: none !important; }
  body { background: #fff; }
  .ticket { border: 0; }
}
.trap { position: absolute; left: -9999px; }
.auth { max-width: 460px; margin: 0 auto; padding-block: 56px 88px; }

.video { aspect-ratio: 16/9; width: 100%; background: var(--marino-osc); border-radius: var(--radio); overflow: hidden; display: grid; place-items: center; color: #fff; }
.video iframe { width: 100%; height: 100%; border: 0; }
.progress { height: 7px; border-radius: 99px; background: var(--fondo-2); overflow: hidden; margin: 10px 0; }
.progress i { display: block; height: 100%; background: var(--marino); }
.lesson-nav { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin-top: 24px; }
.row-list { list-style: none; padding: 0; margin: 0; }
.row-list li { display: flex; justify-content: space-between; gap: 14px; flex-wrap: wrap; padding: 14px 0; border-bottom: 1px solid var(--linea); }
.legal h2 { font-size: 1.4rem; margin-top: 1.6em; }
.draft { background: var(--rojo-suave); color: var(--rojo-osc); padding: 12px 16px; border-radius: var(--radio); }

.site-footer { background: var(--marino-osc); color: #d7dee8; font-size: .94rem; padding-block: 44px 28px; }
.site-footer a { color: #fff; }
.footer-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 28px; }
.footer-grid h3 { color: #fff; font-size: 1.05rem; margin-bottom: .5em; }
.footer-grid ul { list-style: none; padding: 0; margin: 0; }
.footer-grid li { margin-bottom: 4px; }
.footer-grid li a { white-space: nowrap; }
.legal-line { margin-top: 30px; padding-top: 16px; border-top: 1px solid #4c6178; font-size: .82rem; }

@media (max-width: 820px) {
  .hero .wrap, .split, .detail { grid-template-columns: minmax(0, 1fr); }
  .sticky { position: static; }
  .mobile-cta { position: fixed; inset: auto 0 0 0; z-index: 10; display: flex; align-items: center; justify-content: space-between; gap: 14px; padding: 10px 16px; background: var(--blanco); border-top: 1px solid var(--linea); box-shadow: 0 -2px 10px rgb(0 0 0 / .08); }
  .mobile-cta .button { padding: 11px 22px; }
  body:has(.mobile-cta) .site-footer { padding-bottom: 96px; }
  .site-nav a, .link-button { padding: 10px 0; }
  .site-header .wrap { padding-block: 10px 4px; }
  .site-nav { gap: 0 16px; }
  .section { padding-block: 40px; }
  .detail { padding-block: 16px 48px; }
  .poster-main { max-width: 100%; }
  .month-grid { display: none; }
  .topics { gap: 6px 20px; }
  .topics li:not(:last-child)::after { content: none; }
}