/* ==========================================================================
   Stonebridge English - public.css (sitio público)
   Estilos propios del módulo Public. Reutiliza tokens y componentes de core.css.
   Mobile-first · WCAG 2.1 AA · prefers-reduced-motion respetado.
   ========================================================================== */

/* ---- Iconos (sprite symbols con stroke) ---------------------------------- */
.ic { width: 1.25em; height: 1.25em; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; flex: none; }
.ic--fill { fill: currentColor; stroke: none; }

/* ---- Migas de pan (las pinta el layout sobre fondo blanco) ---------------- */
.crumbs { padding-top: 14px; padding-bottom: 6px; font-size: .8125rem; color: var(--slate); }
.crumbs__list { display: flex; flex-wrap: wrap; gap: 4px 0; }
.crumbs__item { display: inline-flex; align-items: center; }
.crumbs__item + .crumbs__item::before { content: "/"; margin: 0 8px; color: var(--line); }
.crumbs__item a { color: var(--slate); text-decoration: none; min-height: 32px; display: inline-flex; align-items: center; }
.crumbs__item a:hover { color: var(--navy); text-decoration: underline; }
.crumbs__item [aria-current="page"] { color: var(--navy); font-weight: 600; }

/* ---- Reveals al scroll (solo si hay JS; sin JS todo visible) -------------- */
.sb-js .reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; transition-delay: var(--d, 0s); }
.sb-js .reveal.is-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .sb-js .reveal { opacity: 1; transform: none; transition: none; }
}

/* ==========================================================================
   HOME · Hero
   ========================================================================== */
.hero--home { padding-bottom: 0; overflow: hidden; position: relative; }
.hero--home::before { content: ""; position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background: radial-gradient(900px 480px at 88% -10%, rgba(143, 141, 190, .5), transparent 60%),
              repeating-linear-gradient(90deg, transparent 0 78px, rgba(255, 255, 255, .03) 78px 79px); }
.hero__grid { position: relative; z-index: 1; display: grid; gap: 36px; padding-bottom: 8px; }
.hero__sub { font-size: 1.125rem; color: #DDE0F5; max-width: 52ch; margin: 14px 0 22px; }
.hero h1 em { font-style: normal; color: var(--gold); }
.hero__micro { display: flex; align-items: center; gap: 8px; font-size: .875rem; color: var(--muted-dark); margin-top: 14px; flex-wrap: wrap; }
.hero__micro .ic { color: var(--gold); }
.hero__chips { margin-top: 26px; }
.hero__chips p { font: 600 .8125rem/1 var(--font-b); letter-spacing: .09em; text-transform: uppercase; color: var(--muted-dark); margin-bottom: 10px; }
.hero__chips ul { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { display: inline-flex; align-items: center; gap: 8px; min-height: 44px; padding: 0 18px; border-radius: var(--pill);
  border: 1.5px solid var(--line); background: #fff; color: var(--navy); font-weight: 600; font-size: .9375rem;
  text-decoration: none; transition: border-color .18s, color .18s, transform .18s, background .18s; }
.chip:hover { border-color: var(--blue); color: var(--blue); transform: translateY(-1px); }
.chip--dark { background: rgba(255, 255, 255, .08); border-color: rgba(255, 255, 255, .3); color: #fff; }
.chip--dark:hover { background: #fff; color: var(--navy); border-color: #fff; }
label.chip { cursor: pointer; user-select: none; }
label.chip:has(input:checked) { background: var(--navy); border-color: var(--navy); color: #fff; }
label.chip:has(input:checked):hover { background: var(--night); color: #fff; }
label.chip input:focus-visible { outline: none; }
label.chip:has(input:focus-visible) { outline: 3px solid var(--blue); outline-offset: 3px; }

/* Tarjeta ilustrativa de clase (decorativa) */
.class-card { background: #fff; color: var(--ink); border-radius: var(--r-lg); box-shadow: 0 30px 60px rgba(4, 18, 40, .45); padding: 18px; width: 100%; max-width: 460px; margin-inline: auto; position: relative; }
.class-card__top { display: flex; align-items: center; justify-content: space-between; gap: 8px; padding-bottom: 12px; border-bottom: 1px solid var(--line); margin-bottom: 14px; }
.live { display: inline-flex; align-items: center; gap: 8px; font: 600 .8125rem/1.3 var(--font-b); color: var(--navy); }
.live i { width: 9px; height: 9px; border-radius: 50%; background: var(--red); animation: livePulse 2s infinite; }
@keyframes livePulse { 70% { box-shadow: 0 0 0 9px rgba(214, 40, 57, 0); } 100% { box-shadow: 0 0 0 0 rgba(214, 40, 57, 0); } }
@media (prefers-reduced-motion: reduce) { .live i { animation: none; } }
.bubble { display: flex; gap: 10px; margin-bottom: 12px; align-items: flex-end; }
.bubble__av { width: 34px; height: 34px; border-radius: 50%; display: grid; place-items: center; font: 700 .75rem/1 var(--font-h); background: var(--navy); color: #fff; flex: none; }
.bubble__av--me { background: var(--gold); color: var(--night); }
.bubble__t { background: var(--mist); border-radius: 14px 14px 14px 4px; padding: 10px 14px; font-size: .9375rem; max-width: 82%; }
.bubble--me { flex-direction: row-reverse; }
.bubble--me .bubble__t { background: var(--navy); color: #fff; border-radius: 14px 14px 4px 14px; }
.fix { display: inline-flex; align-items: center; gap: 8px; flex-wrap: wrap; background: #E7F5EE; color: #0F5A3F; border-radius: var(--pill); padding: 8px 14px; font-size: .8125rem; font-weight: 600; margin: 2px 0 6px 44px; }
.fix .ic { color: var(--green); }
.fix s { color: #8A1F2B; font-weight: 500; }
.class-card__foot { display: flex; justify-content: space-between; align-items: center; gap: 8px; margin-top: 12px; padding-top: 12px; border-top: 1px dashed var(--line); font-size: .8125rem; color: var(--slate); flex-wrap: wrap; }

/* Puente de partículas */
.bridge { position: relative; z-index: 1; padding: 18px 0 8px; }
.bridge__canvas { display: block; width: 100%; height: 190px; }
.bridge__ends { display: flex; justify-content: space-between; gap: 12px; max-width: var(--max); margin: 0 auto; padding: 0 var(--gut); }
.bridge__end { display: inline-flex; align-items: center; gap: 8px; font: 600 .8125rem/1.3 var(--font-b); color: var(--muted-dark); }
.bridge__end .ic { color: var(--sky); }
.bridge__end--goal .ic { color: var(--gold); }
.bridge__caption { text-align: center; font-size: .8125rem; color: var(--muted-dark); margin: 2px 0 0; }

/* ---- Barra de confianza --------------------------------------------------- */
.trust { background: #fff; border-bottom: 1px solid var(--line); }
.trust__grid { display: grid; grid-template-columns: 1fr 1fr; }
.trust__item { padding: 22px 12px; text-align: center; position: relative; }
.trust__item:nth-child(odd) { border-right: 1px solid var(--line); }
.trust__item:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
.trust__num { font: 700 clamp(1.75rem, 5vw, 2.25rem)/1 var(--font-h); color: var(--navy); display: block; }
.trust__lab { font-size: .875rem; color: var(--slate); display: block; margin-top: 6px; }
.trust__item .tag-ex { margin-top: 8px; }

/* ---- Problema + método ---------------------------------------------------- */
.split { display: grid; gap: 36px; }
.problem__claim { font: 700 clamp(1.375rem, 3vw, 1.875rem)/1.25 var(--font-h); color: var(--navy); }
.strike { position: relative; white-space: nowrap; }
.strike::after { content: ""; position: absolute; left: -2%; right: -2%; top: 54%; height: 4px; background: var(--red); border-radius: 2px; transform: rotate(-2deg); }
.steps { display: grid; gap: 18px; }
.step { display: grid; grid-template-columns: 56px 1fr; gap: 16px; align-items: start; position: relative; }
.step:not(:last-child)::before { content: ""; position: absolute; left: 27px; top: 58px; bottom: -20px; width: 2px; background: repeating-linear-gradient(var(--line) 0 6px, transparent 6px 12px); }
.step__n { width: 56px; height: 56px; border-radius: 50%; background: #fff; border: 2px solid var(--navy); display: grid; place-items: center; color: var(--navy); position: relative; z-index: 1; }
.step__n .ic { width: 26px; height: 26px; }
.step h3 { margin-bottom: 4px; }
.step p { margin: 0; color: var(--slate); }

/* ---- Tarjeta de programa --------------------------------------------------- */
.pcard { display: flex; flex-direction: column; gap: 10px; text-decoration: none; color: inherit; height: 100%; }
.pcard__ic { width: 52px; height: 52px; border-radius: 14px; display: grid; place-items: center; background: var(--mist); color: var(--navy); transition: background .25s, color .25s, transform .25s; }
.pcard__ic .ic { width: 26px; height: 26px; }
.pcard:hover .pcard__ic { background: var(--navy); color: #fff; transform: rotate(-6deg) scale(1.05); }
.pcard h3 { margin: 6px 0 0; }
.pcard p { margin: 0; color: var(--slate); flex: 1; }
.pcard__levels { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }
.pcard__foot { display: flex; justify-content: space-between; align-items: center; margin-top: 8px; gap: 8px; flex-wrap: wrap; }
.pcard__price { font-size: .875rem; color: var(--slate); }
.pcard__go { white-space: nowrap; display: inline-flex; align-items: center; gap: 6px; font-weight: 600; color: var(--blue); }
.pcard__go .ic { transition: transform .2s; }
.pcard:hover .pcard__go .ic { transform: translateX(4px); }
.pcard:hover .pcard__go { color: var(--navy); }

/* ---- Prueba de nivel destacada --------------------------------------------- */
.embed { display: grid; gap: 28px; align-items: center; }
.embed__list { display: grid; gap: 12px; margin: 18px 0 24px; padding: 0; list-style: none; }
.embed__list li { display: flex; gap: 12px; align-items: flex-start; color: #DDE0F5; }
.embed__list .ic { color: var(--gold); margin-top: 3px; }
.embed__card { background: #fff; color: var(--ink); border-radius: var(--r-lg); padding: 24px; box-shadow: 0 24px 50px rgba(4, 18, 40, .35); }
.embed__meta { display: flex; justify-content: space-between; gap: 8px; font-size: .8125rem; color: var(--slate); margin-bottom: 12px; font-weight: 500; }
.embed__bar { height: 8px; border-radius: 8px; background: var(--line); overflow: hidden; margin-bottom: 18px; }
.embed__bar i { display: block; height: 100%; width: 7%; background: var(--blue); border-radius: 8px; }
.embed__q { font: 600 1.25rem/1.35 var(--font-h); color: var(--navy); margin: 0 0 16px; }
.opts { display: grid; gap: 10px; }
.opt { display: flex; align-items: center; gap: 14px; min-height: 56px; padding: 12px 16px; border: 2px solid var(--line); border-radius: var(--r);
  background: #fff; cursor: pointer; text-align: left; font-size: 1.0625rem; color: var(--ink); text-decoration: none;
  transition: border-color .15s, background .15s, color .15s; width: 100%; }
.opt:hover { border-color: var(--blue); background: #F5F5FD; color: var(--navy); }
.opt__k { width: 30px; height: 30px; border-radius: 8px; background: var(--mist); display: grid; place-items: center; font: 600 .8125rem/1 var(--font-b); color: var(--navy); flex: none; transition: background .15s, color .15s; }
.opt:hover .opt__k { background: var(--blue); color: #fff; }
.embed__note { font-size: .8125rem; color: var(--slate); margin: 16px 0 0; display: flex; gap: 8px; align-items: flex-start; }

/* ---- Niveles MCER (tabs) ---------------------------------------------------- */
.lvl-tabs { display: flex; gap: 8px; overflow-x: auto; padding: 6px 2px 14px; margin: 0 -2px; scrollbar-width: thin; }
.lvl-tab { flex: none; display: flex; flex-direction: column; align-items: center; gap: 8px; min-width: 88px; padding: 12px 10px;
  border-radius: var(--r); border: 2px solid transparent; background: transparent; cursor: pointer; color: var(--slate);
  font-size: .8125rem; font-weight: 500; font-family: var(--font-b); transition: background .2s, border-color .2s, color .2s; }
.lvl-tab:hover { background: #fff; color: var(--navy); }
.lvl-tab[aria-selected="true"] { background: #fff; border-color: var(--navy); color: var(--navy); box-shadow: var(--shadow); }
.lvl-panel { background: #fff; border: 1px solid var(--line); border-radius: var(--r-lg); padding: 24px; display: grid; gap: 16px; }
.lvl-panel__can { font: 500 1.0625rem/1.55 var(--font-h); color: var(--navy); margin: 0; }
.lvl-meta { display: flex; flex-wrap: wrap; gap: 8px; }
.pill { display: inline-flex; align-items: center; gap: 6px; background: var(--mist); border-radius: var(--pill); padding: 6px 12px; font-size: .8125rem; font-weight: 600; color: var(--navy); }
.pill .ic { width: 1em; height: 1em; color: var(--blue); }
.lvl-panel__link { margin-top: 4px; }

/* ---- Docentes --------------------------------------------------------------- */
.avatar { width: 72px; height: 72px; border-radius: 50%; display: grid; place-items: center; font: 700 1.375rem/1 var(--font-h);
  color: #fff; background: linear-gradient(135deg, var(--navy), var(--blue)); flex: none; border: 3px solid #fff; box-shadow: 0 0 0 2px var(--line); }
.avatar--2 { background: linear-gradient(135deg, #1E7F5C, #3AA57F); }
.avatar--3 { background: linear-gradient(135deg, #D81E2B, #8E1B27); }
.avatar--4 { background: linear-gradient(135deg, #18235C, #2F47B8); }
.tcard { display: flex; flex-direction: column; gap: 10px; height: 100%; }
.tcard__top { display: flex; gap: 14px; align-items: center; }
.tcard__photo { width: 72px; height: 72px; border-radius: 50%; object-fit: cover; flex: none; background: var(--mist); }
.phero__photo { width: 96px; height: 96px; border-radius: 50%; object-fit: cover; flex: none; background: rgba(255,255,255,.15); box-shadow: 0 0 0 3px rgba(255,255,255,.35); }
.tcard h3 { margin: 0; font-size: 1.0625rem; }
.tcard__role { font-size: .8125rem; color: var(--slate); margin: 0; }
.tcard blockquote { margin: 6px 0 0; padding: 12px 14px; background: var(--mist); border-left: 3px solid var(--gold); border-radius: 0 var(--r) var(--r) 0; font-size: .9375rem; color: var(--ink); }
.tcard__tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: auto; }
.tcard__link { margin-top: 6px; }

/* ---- Testimonios ------------------------------------------------------------ */
.quote { display: flex; flex-direction: column; gap: 14px; height: 100%; margin: 0; }
.quote__stars { color: var(--gold); display: flex; gap: 2px; }
.quote__stars .ic { fill: currentColor; stroke: #B8842A; stroke-width: 1.2; width: 1.1em; height: 1.1em; }
.quote__res { display: inline-flex; align-self: flex-start; background: #E7F5EE; color: #0F5A3F; font-weight: 700; font-size: .8125rem; border-radius: var(--pill); padding: 6px 12px; }
.quote blockquote { margin: 0; font-size: 1.0625rem; }
.quote__who { display: flex; align-items: center; gap: 12px; margin-top: auto; }
.quote__who .avatar { width: 48px; height: 48px; font-size: 1rem; }
.quote__who b { display: block; font-size: .9375rem; color: var(--navy); }
.quote__who span { font-size: .8125rem; color: var(--slate); }
.slider { position: relative; }
.slider__track { display: flex; gap: 16px; overflow-x: auto; scroll-snap-type: x mandatory; padding: 4px 2px 18px; scrollbar-width: thin; -webkit-overflow-scrolling: touch; }
.slide { flex: 0 0 min(88%, 360px); scroll-snap-align: start; }
.slider__ctl { display: flex; gap: 8px; justify-content: flex-end; }
.slider__ctl button { width: 44px; height: 44px; border-radius: 50%; border: 1.5px solid var(--line); background: #fff; color: var(--navy); cursor: pointer; display: grid; place-items: center; }
.slider__ctl button:hover { background: var(--navy); color: #fff; border-color: var(--navy); }
.filters { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 20px; }

/* ---- Modalidades y franja de precios ----------------------------------------- */
.modes .pcard__ic { margin-bottom: 6px; }
.price-strip { margin-top: 24px; display: grid; gap: 16px; background: var(--navy); color: #fff; border-radius: var(--r-lg); padding: 24px; align-items: center; }
.price-strip h3 { color: #fff; margin: 0; }
.price-strip .big { font: 700 2rem/1.1 var(--font-h); color: #fff; }
.price-strip small { color: var(--muted-dark); }
.hours { display: flex; gap: 10px; align-items: flex-start; }
.hours .ic { color: var(--gold); margin-top: 4px; }

/* ---- Posts y lead magnet ------------------------------------------------------- */
.post { display: flex; flex-direction: column; text-decoration: none; color: inherit; padding: 0; overflow: hidden; position: relative; height: 100%; }
.post__img { aspect-ratio: 16/9; display: grid; place-items: center; color: #fff; background: var(--navy); }
.post__img .ic { width: 56px; height: 56px; opacity: .9; }
.post__img--1 { background: linear-gradient(135deg, #263683, #2F47B8); }
.post__img--2 { background: linear-gradient(135deg, #1E7F5C, #263683); }
.post__img--3 { background: linear-gradient(135deg, #18235C, #D81E2B); }
.post__img--4 { background: linear-gradient(135deg, #545A78, #263683); }
.post__body { padding: 18px 20px 22px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.post__cat { font: 600 .75rem/1 var(--font-b); letter-spacing: .08em; text-transform: uppercase; color: var(--blue); }
.post h3 { font-size: 1.0625rem; margin: 0; }
.post p { margin: 0; color: var(--slate); font-size: .9375rem; flex: 1; }
.post__meta { font-size: .8125rem; color: var(--slate); }
.post .tag-ex { position: absolute; top: 10px; left: 10px; }
.magnet { background: linear-gradient(160deg, var(--night), var(--navy)); color: #fff; border-radius: var(--r-lg); padding: 26px; display: flex; flex-direction: column; gap: 12px; }
.magnet h3 { color: #fff; margin: 0; }
.magnet p { color: #DDE0F5; margin: 0; }
.magnet .list-check { color: #DDE0F5; }

/* ---- FAQ acordeón ---------------------------------------------------------------- */
.acc { display: grid; gap: 10px; }
.acc details { border: 1px solid var(--line); border-radius: var(--r); background: #fff; overflow: hidden; transition: border-color .2s, box-shadow .2s; }
.acc details[open] { border-color: #C7C4DF; box-shadow: var(--shadow); }
.acc summary { cursor: pointer; font-weight: 600; color: var(--navy); min-height: 56px; display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 12px 20px; list-style: none; }
.acc summary::-webkit-details-marker { display: none; }
.acc summary:hover { background: var(--mist); }
.acc summary .ic { transition: transform .25s; color: var(--blue); }
.acc details[open] summary .ic { transform: rotate(180deg); }
.acc__body { padding: 0 20px 18px; color: var(--slate); }
.acc__body p { margin: 0; }
.acc__body p + p { margin-top: 10px; }

/* ---- CTA final + formularios ------------------------------------------------------ */
.final { background: linear-gradient(160deg, var(--night), var(--navy)); color: #fff; position: relative; overflow: hidden; }
.final h2, .final h3 { color: #fff; }
.final .lead { color: var(--muted-dark); }
.final__grid { display: grid; gap: 32px; align-items: center; position: relative; z-index: 1; }
.final__form { background: #fff; color: var(--ink); border-radius: var(--r-lg); padding: 24px; box-shadow: 0 24px 50px rgba(4, 18, 40, .4); }
.final__micro { font-size: .8125rem; color: var(--slate); margin: 0; display: flex; gap: 8px; align-items: flex-start; }
.final__micro .ic { color: var(--green); margin-top: 2px; }

/* Estados de formularios AJAX (aria-live) */
.form-status { border-radius: var(--r); padding: 14px 16px; font-size: .9375rem; font-weight: 500; }
.form-status:empty { display: none; }
.form-status--ok { background: var(--success-bg); color: var(--success-fg); }
.form-status--err { background: var(--danger-bg); color: var(--danger-fg); }
.hp { position: absolute !important; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

/* ==========================================================================
   Páginas internas
   ========================================================================== */
.phero { background: radial-gradient(800px 420px at 90% -20%, rgba(143, 141, 190, .45), transparent 60%), linear-gradient(165deg, var(--night), var(--navy)); color: #fff; padding: 36px 0 44px; }
.phero h1 { color: #fff; font-size: clamp(1.875rem, 5vw, 2.75rem); max-width: 24ch; }
.phero .lead { color: #DDE0F5; max-width: 60ch; }
.phero__meta { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.phero__cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 22px; }
.phero .tag-ex { background: var(--gold); color: var(--night); border-color: var(--gold); }

/* Contenido rico (|rich) */
.prose { max-width: 72ch; }
.prose h2 { margin-top: 1.6em; font-size: 1.5rem; }
.prose h3 { margin-top: 1.4em; }
.prose p, .prose li { color: #2A3547; line-height: 1.75; }
.prose ul, .prose ol { padding-left: 1.3em; list-style: disc; }
.prose ol { list-style: decimal; }
.prose li { margin-bottom: .5em; }
.prose img { border-radius: var(--r); }
.prose blockquote { margin: 1.2em 0; padding: 14px 18px; background: var(--mist); border-left: 4px solid var(--gold); border-radius: 0 var(--r) var(--r) 0; }
.prose table { width: 100%; border-collapse: collapse; font-size: .9375rem; margin: 1.2em 0; }
.prose th, .prose td { text-align: left; padding: 10px 14px; border-bottom: 1px solid var(--line); }
.prose th { background: var(--mist); color: var(--navy); font-weight: 600; }
.prose a { font-weight: 600; }

/* Listas con check */
.list-check { padding: 0; list-style: none; display: grid; gap: 12px; }
.list-check li { display: flex; gap: 12px; align-items: flex-start; }
.list-check .ic { color: var(--green); background: #E7F5EE; border-radius: 50%; padding: 4px; width: 1.5em; height: 1.5em; margin-top: 2px; flex: none; }

/* Caja de datos (nivel) */
.factbox { background: var(--mist); border-radius: var(--r-lg); padding: 22px; }
.factbox dl { margin: 0; display: grid; gap: 14px; }
.factbox dt { font-size: .75rem; letter-spacing: .08em; text-transform: uppercase; color: var(--slate); font-weight: 600; }
.factbox dd { margin: 2px 0 0; font-weight: 600; color: var(--navy); }

/* Skills por nivel */
.skills { display: grid; gap: 12px; }
.skill { display: flex; gap: 14px; align-items: flex-start; padding: 16px; border: 1px solid var(--line); border-radius: var(--r); background: #fff; }
.skill .ic { color: var(--blue); width: 1.6em; height: 1.6em; margin-top: 2px; }
.skill b { display: block; color: var(--navy); font-family: var(--font-h); }
.skill span { color: var(--slate); font-size: .9375rem; }

/* Frases de ejemplo */
.phrase { background: #fff; border: 1px solid var(--line); border-left: 4px solid var(--blue); border-radius: 0 var(--r) var(--r) 0; padding: 12px 16px; margin-bottom: 10px; }
.phrase b { font-weight: 600; }
.phrase small { display: block; color: var(--slate); font-weight: 400; margin-top: 2px; }

/* Diálogo de ejemplo (chat) */
.chat { display: grid; gap: 10px; }
.chat__row { display: flex; gap: 10px; align-items: flex-end; }
.chat__row--me { flex-direction: row-reverse; }
.chat__who { font: 700 .6875rem/1 var(--font-b); text-transform: uppercase; letter-spacing: .06em; color: var(--slate); width: 34px; text-align: center; flex: none; padding-bottom: 6px; }
.chat__b { background: var(--mist); border-radius: 14px 14px 14px 4px; padding: 10px 14px; font-size: .9375rem; max-width: 80%; }
.chat__row--me .chat__b { background: var(--navy); color: #fff; border-radius: 14px 14px 4px 14px; }
.chat__es { font-size: .8125rem; color: var(--slate); margin-top: 4px; }

/* Navegación prev/next de nivel */
.pager { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin-top: 32px; }
.pager a { display: inline-flex; flex-direction: column; gap: 4px; text-decoration: none; min-height: 44px; justify-content: center; padding: 8px 14px; border: 1px solid var(--line); border-radius: var(--r); background: #fff; }
.pager a:hover { border-color: var(--blue); }
.pager small { color: var(--slate); }
.pager b { color: var(--navy); font-family: var(--font-h); }
.pager__next { margin-left: auto; text-align: right; }

/* ---- Precios ---------------------------------------------------------------------- */
.plan { display: flex; flex-direction: column; gap: 12px; position: relative; }
.plan--featured { border: 2px solid var(--navy); box-shadow: var(--shadow-h); }
.plan__badge { position: absolute; top: -14px; left: 50%; transform: translateX(-50%); background: var(--navy); color: #fff; border-radius: var(--pill); padding: 5px 14px; font: 600 .75rem/1.4 var(--font-b); white-space: nowrap; }
.plan__price { display: flex; align-items: baseline; gap: 8px; flex-wrap: wrap; }
.plan__price .val { font: 700 2.25rem/1 var(--font-h); color: var(--navy); }
.plan__price .unit { color: var(--slate); font-size: .9375rem; }
.plan__per { color: var(--slate); font-size: .875rem; margin: -6px 0 0; }
.plan .list-check { gap: 8px; }
.plan .list-check .ic { width: 1.3em; height: 1.3em; margin-top: 3px; }
.plan__save { align-self: flex-start; }
.plan .btn { margin-top: auto; }

/* ---- Vocabulario -------------------------------------------------------------------- */
.flash { perspective: 1200px; }
.flash__card { position: relative; width: 100%; max-width: 480px; margin-inline: auto; min-height: 300px; transform-style: preserve-3d;
  transition: transform .5s cubic-bezier(.2, .7, .3, 1); cursor: pointer; }
.flash__card.is-flipped { transform: rotateY(180deg); }
@media (prefers-reduced-motion: reduce) { .flash__card { transition: none; } }
.flash__face { position: absolute; inset: 0; backface-visibility: hidden; -webkit-backface-visibility: hidden;
  background: #fff; border: 1px solid var(--line); border-radius: var(--r-lg); box-shadow: var(--shadow);
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 10px; padding: 28px 24px; text-align: center; }
.flash__face--back { transform: rotateY(180deg); background: var(--mist); }
.flash__term { font: 700 clamp(1.75rem, 6vw, 2.5rem)/1.15 var(--font-h); color: var(--navy); margin: 0; }
.flash__ipa { color: var(--slate); font-size: 1.0625rem; }
.flash__pos { font-size: .8125rem; color: var(--slate); text-transform: uppercase; letter-spacing: .06em; }
.flash__es { font: 600 1.375rem/1.3 var(--font-h); color: var(--navy); margin: 0; }
.flash__ex { color: var(--slate); font-size: .9375rem; }
.flash__ex b { color: var(--ink); }
.flash__hint { font-size: .8125rem; color: var(--slate); position: absolute; bottom: 14px; left: 0; right: 0; }
.flash__ctl { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin-top: 18px; }
.vocab-table td .row { flex-wrap: nowrap; }
.vocab-audio { display: inline-grid; place-items: center; width: 44px; height: 44px; border-radius: 50%; border: 1.5px solid var(--line);
  background: #fff; color: var(--navy); cursor: pointer; flex: none; }
.vocab-audio:hover { background: var(--navy); color: #fff; border-color: var(--navy); }
.vocab-audio .ic { width: 20px; height: 20px; }

/* ---- Blog ------------------------------------------------------------------------------ */
.pagination { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; margin-top: 36px; }
.pagination a, .pagination span { display: inline-grid; place-items: center; min-width: 44px; height: 44px; padding: 0 12px;
  border-radius: 10px; border: 1.5px solid var(--line); background: #fff; color: var(--navy); font-weight: 600; text-decoration: none; }
.pagination a:hover { border-color: var(--blue); color: var(--blue); }
.pagination span[aria-current="page"] { background: var(--navy); border-color: var(--navy); color: #fff; }
.pagination .is-gap { border-color: transparent; background: transparent; }
.toc { background: var(--mist); border-radius: var(--r); padding: 18px 22px; margin-bottom: 28px; }
.toc h2 { font-size: 1rem; margin-bottom: 10px; }
.toc ol { padding-left: 1.2em; list-style: decimal; display: grid; gap: 6px; }
.toc a { color: var(--navy); font-weight: 500; }
.post-meta { display: flex; flex-wrap: wrap; gap: 8px 16px; color: var(--slate); font-size: .875rem; align-items: center; }
.post-meta .ic { width: 1.1em; height: 1.1em; }
.post-meta span { display: inline-flex; align-items: center; gap: 6px; }

/* ---- Gracias --------------------------------------------------------------------------- */
.thanks { text-align: center; padding: 72px 0; }
.thanks__mark { width: 88px; height: 88px; border-radius: 50%; background: var(--success-bg); color: var(--green);
  display: grid; place-items: center; margin: 0 auto 20px; }
.thanks__mark .ic { width: 44px; height: 44px; }
.thanks__actions { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; margin-top: 26px; }
.thanks ul { text-align: left; max-width: 460px; margin: 22px auto 0; }

/* ---- Bloques utilitarios ----------------------------------------------------------------- */
.two { display: grid; gap: 28px; }
.kpi { text-align: center; }
.kpi__num { font: 700 clamp(1.75rem, 5vw, 2.25rem)/1 var(--font-h); color: var(--navy); display: block; }
.kpi__lab { color: var(--slate); font-size: .875rem; }
.note { display: flex; gap: 10px; align-items: flex-start; background: var(--info-bg); color: var(--info-fg);
  border-radius: var(--r); padding: 14px 16px; font-size: .9375rem; }
.note .ic { margin-top: 2px; flex: none; }

/* ==========================================================================
   Breakpoints
   ========================================================================== */
@media (min-width: 640px) {
  .trust__grid { grid-template-columns: repeat(4, 1fr); }
  .trust__item { border: 0 !important; border-right: 1px solid var(--line) !important; }
  .trust__item:last-child { border-right: 0 !important; }
  .slide { flex-basis: 340px; }
}
@media (min-width: 900px) {
  .hero--home { padding-top: 72px; }
  .hero__grid { grid-template-columns: 1.08fr .92fr; gap: 56px; align-items: center; }
  .bridge__canvas { height: 230px; }
  .split { grid-template-columns: .9fr 1.1fr; gap: 64px; align-items: center; }
  .embed { grid-template-columns: .9fr 1.1fr; gap: 56px; }
  .lvl-panel { grid-template-columns: auto 1fr; gap: 32px; padding: 32px; align-items: center; }
  .price-strip { grid-template-columns: 1.2fr auto auto; gap: 32px; }
  .final__grid { grid-template-columns: 1fr 1fr; gap: 64px; }
  .skills { grid-template-columns: 1fr 1fr; }
  .two { grid-template-columns: 1.25fr .75fr; gap: 48px; align-items: start; }
  .slide { flex-basis: 380px; }
}
@media (max-width: 899px) {
  .desk-only { display: none !important; }
}
@media (min-width: 900px) {
  .mob-only { display: none !important; }
}
@media print {
  .site-header, .site-footer, .wa-float, .no-print { display: none !important; }
}