/* Buclea Academy · portada.
 * Paleta del motor de fabricación (profund, verd, menta) y el ocre con el
 * que el curso marca lo que va a fallar. Lexend para el texto, JetBrains
 * Mono para lo que el curso escribe en mono: ids de cápsula, medidas,
 * comprobaciones, fórmulas. */
:root{--tinta:#14211C;--pissarra:#5C6B65;--paper:#F1F7F4;--blanc:#fff;--linia:#DCE6E1;--profund:#02604A;--verd:#057C5E;--menta:#36DCAC;--menta-clar:#D6F7EC;--ocre:#B7791F;--ocre-clar:#FFF3D6;--font:'Lexend',system-ui,sans-serif;--mono:'JetBrains Mono',ui-monospace,monospace;--ancho:1120px;color-scheme:light}
*{box-sizing:border-box}
[hidden]{display:none!important}
html{scroll-behavior:smooth}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important;animation:none!important}}
body{margin:0;background:var(--paper);color:var(--tinta);font:16px/1.6 var(--font)}
a{color:var(--profund)}
h1,h2,h3{margin:0;line-height:1.12;letter-spacing:-.03em;font-weight:700}
.mono{font-family:var(--mono);font-weight:500;letter-spacing:0}
.ui-sr,.salta{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.salta:focus{position:fixed;top:12px;left:12px;width:auto;height:auto;clip:auto;padding:10px 14px;background:var(--tinta);color:#fff;border-radius:8px;z-index:20}
:focus-visible{outline:3px solid var(--menta);outline-offset:3px}

.barra{position:sticky;top:0;z-index:5;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px 24px;background:rgba(241,247,244,.9);backdrop-filter:blur(10px);border-bottom:1px solid var(--linia)}
.marca{font-weight:700;font-size:21px;color:var(--tinta);text-decoration:none;letter-spacing:-.02em}.marca span{color:var(--verd)}
.barra nav{display:flex;align-items:center;gap:20px;flex-wrap:wrap}.barra nav a{text-decoration:none;font-weight:600;font-size:14px;color:var(--pissarra)}
.btn{display:inline-flex;align-items:center;gap:8px;padding:11px 18px;border-radius:999px;background:var(--profund);color:#fff!important;font-weight:650;text-decoration:none;border:1.5px solid var(--profund);font:inherit;font-weight:650;cursor:pointer;transition:filter .15s,transform .12s}
.btn:hover{filter:brightness(1.08)}.btn:active{transform:translateY(1px)}
.btn.ghost{background:transparent;color:var(--profund)!important;border-color:var(--linia)}.btn.ghost:hover{border-color:var(--verd);background:rgba(2,96,74,.05)}
.btn.grande{padding:15px 26px;font-size:17px}
.btn.claro{background:#fff;color:var(--profund)!important;border-color:#fff}
.enlace{font-weight:600}
main{max-width:var(--ancho);margin:0 auto;padding:0 24px}
section{padding:56px 0}
.cabecera{max-width:760px;margin-bottom:28px}
.ojo{margin:0 0 12px;color:var(--profund);font-size:12px;text-transform:uppercase;letter-spacing:.08em}
h2{font-size:clamp(26px,3.6vw,38px)}
.sub{color:var(--pissarra);font-size:17px;max-width:68ch}
.acciones{margin:24px 0 0;display:flex;align-items:center;flex-wrap:wrap;gap:12px 20px}

/* Portada: la cápsula real, y el botón que la carga aquí mismo. */
.hero{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:36px;align-items:center;padding:56px 0 40px}
.hero h1{font-size:clamp(34px,4.6vw,56px)}
.hero .sub{font-size:17px;margin:18px 0 0}
.cifras{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px 24px;list-style:none;margin:34px 0 0;padding:0;color:var(--pissarra);font-size:12px}
.cifras strong{display:block;color:var(--tinta);font-size:26px;font-weight:600;letter-spacing:-.02em;font-family:var(--font)}
.hero-demo{margin:0}
.marco{position:relative;border-radius:18px;overflow:hidden;background:var(--blanc);border:1px solid var(--linia);box-shadow:0 30px 60px -30px rgba(2,96,74,.45),0 8px 24px rgba(20,33,28,.06);aspect-ratio:1440/844}
.marco img,.marco iframe{display:block;width:100%;height:100%;border:0}
.marco-cargando{position:absolute;inset:0;display:grid;place-items:center;background:rgba(241,247,244,.85);color:var(--profund);font-size:13px}
.hero-demo figcaption{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-top:12px;color:var(--pissarra);font-size:12.5px}
.hero-demo.viva .marco{aspect-ratio:auto;height:min(78vh,760px)}

/* Los cuatro pasos de una cápsula: es una secuencia real, por eso van numerados. */
.pasos{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;list-style:none;margin:0;padding:0;counter-reset:paso}
.pasos li{position:relative;padding:22px 20px 20px;border:1px solid var(--linia);border-radius:16px;background:var(--blanc)}
.pasos .num{display:inline-grid;place-items:center;width:34px;height:34px;border-radius:50%;background:var(--menta-clar);color:var(--profund);font-size:14px;margin-bottom:12px}
.pasos h3{font-size:19px;margin-bottom:8px}.pasos p{margin:0;color:var(--pissarra);font-size:14.5px;line-height:1.55}
.pasos li:last-child{border-color:var(--verd);box-shadow:inset 0 0 0 1px var(--verd)}.pasos li:last-child .num{background:var(--profund);color:#fff}

/* La clínica: fotos reales de piezas fallidas, con el título de su cápsula. */
.muro{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:10px;list-style:none;margin:0 0 22px;padding:0}
.muro li{position:relative;border-radius:12px;overflow:hidden;background:var(--tinta);aspect-ratio:4/3}
.muro img{display:block;width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.muro li:hover img{transform:scale(1.04)}
.muro figcaption{position:absolute;inset:auto 0 0 0;padding:26px 10px 9px;background:linear-gradient(transparent,rgba(20,33,28,.85));color:#fff;font-size:12px;line-height:1.3}
.muro figcaption .mono{display:block;color:var(--menta);font-size:11px;margin-bottom:2px}
.clinica-demo{margin:0;border-radius:18px;overflow:hidden;border:1px solid var(--linia);background:var(--blanc)}
.clinica-demo img{display:block;width:100%;height:auto}
.clinica-demo figcaption{padding:10px 16px;font-size:12px;color:var(--pissarra);border-top:1px solid var(--linia);overflow-wrap:anywhere}

/* Tu taller. */
.taller{background:linear-gradient(180deg,var(--paper),var(--menta-clar) 60%,var(--paper));margin:0 -24px;padding:56px 24px;border-radius:32px}
.taller>*{max-width:var(--ancho);margin-left:auto;margin-right:auto}
.taller-figura{margin:0;border-radius:18px;overflow:hidden;border:1px solid var(--linia);box-shadow:0 30px 60px -30px rgba(2,96,74,.4)}
.taller-figura img{display:block;width:100%;height:auto}
.comprobaciones{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px 14px;list-style:none;margin:18px auto 0;padding:0;font-size:12.5px;color:var(--tinta)}
.comprobaciones li{display:flex;gap:10px;align-items:flex-start;padding:10px 12px;border-radius:10px;background:rgba(255,255,255,.75);border:1px solid var(--linia)}
.comprobaciones b{flex:none;display:inline-grid;place-items:center;width:20px;height:20px;border-radius:50%;background:var(--menta-clar);color:var(--profund);font-size:11px;font-weight:700}

/* Productos: una escalera de verdad, cada peldaño un poco más alto. */
.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;align-items:end}
.producto{background:var(--blanc);border:1px solid var(--linia);border-radius:18px;padding:24px;display:flex;flex-direction:column}
.producto:nth-child(1){margin-top:56px}.producto:nth-child(2){margin-top:28px}.producto:nth-child(3){border-color:var(--verd);box-shadow:0 24px 50px -30px rgba(2,96,74,.5)}
.producto .peldano{font-family:var(--mono);font-size:11px;font-weight:600;color:var(--profund);text-transform:uppercase;letter-spacing:.08em}
.producto h3{font-size:22px;margin:8px 0 10px}.producto p{color:var(--pissarra);font-size:14.5px}
.bloques{list-style:none;padding:0;margin:12px 0}.bloques li{display:flex;justify-content:space-between;gap:10px;padding:7px 0;border-top:1px solid var(--linia);font-size:13.5px}.bloques strong{white-space:nowrap;font-family:var(--mono);font-weight:600;font-size:12px;color:var(--profund)}.bloques .n{color:var(--pissarra);font-family:var(--mono);font-size:12px}
.cifra{font-weight:600;color:var(--tinta);font-size:14px}
.compra{display:flex;align-items:center;gap:12px;margin:12px 0 4px}.precio{font-size:24px;font-weight:700;letter-spacing:-.02em}
.pronto{font-size:13.5px;color:var(--pissarra);margin:8px 0 0}.chip{display:inline-block;padding:2px 10px;border-radius:999px;background:var(--ocre-clar);color:var(--ocre);font-weight:700;font-size:12px;margin-right:6px}

.entrar{padding:32px;border:1px solid var(--linia);border-radius:22px;background:var(--blanc);margin:24px 0}.entrar h2{font-size:24px}.entrar p{color:var(--pissarra);max-width:70ch}
.entrar input{flex:1 1 260px;min-height:46px;padding:8px 14px;border:1.5px solid var(--linia);border-radius:12px;font:inherit;background:var(--blanc)}.entrar input:focus{border-color:var(--verd)}
.aviso{margin-top:12px;padding:12px 16px;border-radius:12px;background:var(--ocre-clar);color:var(--ocre);font-weight:600}

.prueba{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:24px;align-items:center;margin:8px 0 24px;padding:40px;border-radius:26px;background:var(--profund);color:#fff}
.prueba .ojo{color:var(--menta)}.prueba h2{color:#fff;font-size:clamp(22px,3vw,30px)}.prueba p{max-width:64ch;color:rgba(255,255,255,.86)}.prueba .acciones{margin:0}

.faq h2{font-size:26px;margin-bottom:16px}
.faq .preguntas{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:12px 24px}
.faq dt{font-weight:650}.faq dd{margin:4px 0 0;color:var(--pissarra);font-size:15px}

.pie{border-top:1px solid var(--linia);padding:28px 24px 44px;color:var(--pissarra);font-size:14px;text-align:center}

@media(max-width:980px){.hero{grid-template-columns:1fr;gap:28px}.pasos{grid-template-columns:repeat(2,minmax(0,1fr))}.muro{grid-template-columns:repeat(3,minmax(0,1fr))}.comprobaciones{grid-template-columns:repeat(2,minmax(0,1fr))}.grid{grid-template-columns:1fr}.producto:nth-child(1),.producto:nth-child(2){margin-top:0}.prueba{grid-template-columns:1fr}}
@media(max-width:640px){.barra{padding:10px 16px}.barra nav{gap:10px}.barra nav a:not(.btn){display:none}main{padding:0 16px}section{padding:40px 0}.hero{padding:36px 0 24px}.hero h1{font-size:32px}.pasos,.muro,.comprobaciones{grid-template-columns:1fr}.muro{grid-template-columns:repeat(2,minmax(0,1fr))}.taller{margin:0 -16px;padding:40px 16px;border-radius:0}.prueba,.entrar{padding:24px}.hero-demo.viva .marco{height:70vh}.cifras{grid-template-columns:repeat(2,minmax(0,1fr))}}