:root{--bg:#070707;--text:#f4f0e8;--muted:#aaa49a;--gold:#c9a45a;--gold-light:#efd596;--line:rgba(255,255,255,.10)}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--text);font-family:"Inter",sans-serif;overflow-x:hidden}
.site-header{position:fixed;z-index:20;top:0;left:0;width:100%;height:82px;padding:0 4.5vw;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid rgba(255,255,255,.07);background:linear-gradient(to bottom,rgba(5,5,5,.92),rgba(5,5,5,.62));backdrop-filter:blur(14px)}
.brand-logo{display:block;width:160px}
.main-nav{display:flex;align-items:center;gap:23px}
.main-nav a{color:#c8c4bd;text-decoration:none;text-transform:uppercase;font-size:9px;font-weight:600;letter-spacing:1.35px}
.main-nav .nav-cta{padding:12px 17px;color:#070707;background:var(--gold-light);border-radius:999px}
.hero{position:relative;min-height:100vh;padding:140px 7vw 72px;display:grid;place-items:center;overflow:hidden;background:url("assets/backgrounds/lab-bg.webp") center/cover no-repeat}
.overlay{position:absolute;inset:0;background:linear-gradient(rgba(4,4,4,.57),rgba(4,4,4,.89)),radial-gradient(circle at center,rgba(201,164,90,.04),rgba(0,0,0,.52))}
.overlay.soft{background:linear-gradient(to top,rgba(5,5,5,.92),rgba(5,5,5,.12) 65%)}
.hero-content{position:relative;z-index:2;width:min(900px,100%);text-align:center}
.lab-logo{display:block;width:min(370px,78vw);margin:0 auto 24px;padding:17px 22px;border-radius:16px;background:rgba(247,244,238,.95);box-shadow:0 20px 60px rgba(0,0,0,.24)}
.eyebrow{color:var(--gold-light);font-size:10px;font-weight:600;letter-spacing:2.7px}
.hero h1,.section h2,.final-cta h2{margin-top:15px;font-family:"Montserrat",sans-serif;font-size:clamp(38px,5vw,68px);font-weight:500;letter-spacing:-1.5px;line-height:1.06}
.lead{margin:24px auto 0;max-width:710px;color:#c7c2ba;font-size:16px;font-weight:300;line-height:1.8}
.hero-actions{display:flex;justify-content:center;gap:13px;flex-wrap:wrap;margin-top:34px}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:51px;padding:0 23px;border:1px solid transparent;text-decoration:none;text-transform:uppercase;font-size:10px;font-weight:700;letter-spacing:1.8px;transition:transform .3s ease}
.btn:hover{transform:translateY(-2px)}
.primary{color:#090909;background:linear-gradient(135deg,#f0d797,#b98a39);box-shadow:0 16px 42px rgba(197,157,73,.18)}
.secondary{color:#eee8dd;border-color:rgba(255,255,255,.19);background:rgba(8,8,8,.43)}
.note{margin-top:14px;color:#918c85;font-size:11px}
.section{padding:105px 0;border-bottom:1px solid var(--line)}
.dark{background:#090909}
.shell{width:min(1320px,calc(100% - 10vw));margin:0 auto}
.intro-grid,.method-grid,.schedule-grid{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center}
.body-copy{display:grid;gap:20px;color:#aaa49d;font-size:15px;font-weight:300;line-height:1.8}
.section-heading{display:flex;align-items:end;justify-content:space-between;gap:60px;margin-bottom:44px}
.section-heading>p{max-width:470px;color:#938f88;font-size:14px;font-weight:300;line-height:1.7}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);border-left:1px solid var(--line)}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr)}
.card{min-height:240px;padding:27px;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}
.card span{color:var(--gold);font-size:9px;letter-spacing:2px}
.card h3{margin-top:32px;font-family:"Montserrat",sans-serif;font-size:24px;font-weight:500}
.card p{margin-top:13px;color:#918c85;font-size:13px;line-height:1.7}
.method-image{
  position:relative;
  min-height:620px;
  overflow:hidden;
  border:1px solid var(--line);
  background:
    radial-gradient(circle at top right, rgba(201,164,90,.09), transparent 34%),
    linear-gradient(180deg, rgba(10,10,10,.94), rgba(10,10,10,.94));
}

.method-photo{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  object-fit:contain;
  object-position:center;
  padding:18px;
  filter:
    brightness(.82)
    contrast(1.02)
    saturate(.82)
    sepia(.08);
}

.method-photo-overlay{
  background:
    linear-gradient(to top, rgba(5,5,5,.90), rgba(5,5,5,.18) 62%),
    linear-gradient(90deg, rgba(8,8,8,.38), rgba(201,164,90,.06)),
    radial-gradient(circle at right center, rgba(201,164,90,.12), transparent 30%);
}

.caption{position:absolute;z-index:2;left:30px;bottom:28px}
.caption h3{margin-top:9px;font-family:"Montserrat",sans-serif;font-size:34px;font-weight:500}
.method-list{margin-top:30px;border-top:1px solid var(--line)}
.method-list p{padding:17px 0;border-bottom:1px solid var(--line);color:#aaa49d;font-size:14px;line-height:1.6}
.method-list span{display:inline-block;width:34px;color:var(--gold);font-size:9px}
.plans{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin-top:40px}
.plan{padding:35px;border:1px solid var(--line);background:radial-gradient(circle at top right,rgba(201,164,90,.08),transparent 30%),#0b0b0b}
.plan.featured{border-color:rgba(201,164,90,.48)}
.plan h3{margin-top:13px;font-family:"Montserrat",sans-serif;font-size:34px;font-weight:500}
.plan strong{display:block;margin-top:28px;color:#ead39b;font-family:"Montserrat",sans-serif;font-size:40px;font-weight:500}
.plan small{display:block;margin-top:4px;color:#78746e;font-size:11px}
.features{display:grid;gap:11px;margin:30px 0;color:#aaa49d;font-size:13px}
.enrollment{margin-top:18px;padding:32px 35px;display:grid;grid-template-columns:.7fr 1.3fr;gap:55px;border:1px solid var(--line)}
.enrollment h3{margin-top:10px;color:#ead39b;font-family:"Montserrat",sans-serif;font-size:36px;font-weight:500}
.enrollment>div:last-child{display:grid;gap:12px;align-content:center;color:#aaa49d;font-size:13px}
.schedule-cards{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.schedule-cards article{min-height:150px;padding:26px;display:flex;flex-direction:column;justify-content:space-between;border:1px solid var(--line)}
.schedule-cards span{color:var(--gold);font-size:9px;letter-spacing:1.7px}
.schedule-cards strong{font-family:"Montserrat",sans-serif;font-size:20px;font-weight:500}
.final-cta{position:relative;min-height:620px;display:grid;place-items:center;padding:90px 5vw;text-align:center;background:url("assets/backgrounds/lab-bg.webp") center/cover no-repeat}
.final-content{position:relative;z-index:2;width:min(850px,100%)}
.final-content .large{margin-top:30px;min-height:58px;padding:0 30px}
.site-footer{min-height:96px;padding:26px 5vw;display:flex;align-items:center;justify-content:space-between;gap:18px;color:#66625d;font-size:9px;letter-spacing:1.3px;text-transform:uppercase}
.site-footer a{color:#c3ac76;text-decoration:none}
@media(max-width:1100px){.main-nav a:not(.nav-cta){display:none}.grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:900px){.intro-grid,.method-grid,.schedule-grid,.section-heading{grid-template-columns:1fr;display:grid;gap:34px}.plans{grid-template-columns:1fr}.enrollment{grid-template-columns:1fr;gap:25px}.method-image{min-height:500px}}
@media(max-width:620px){.site-header{height:70px;padding:0 18px}.brand-logo{width:122px}.main-nav .nav-cta{padding:10px 12px;font-size:8px}.hero{min-height:100svh;padding:116px 20px 58px}.lab-logo{width:min(82vw,340px)}.hero h1{font-size:42px}.lead{font-size:14px}.hero-actions{flex-direction:column}.hero-actions .btn{width:100%}.shell{width:calc(100% - 36px)}.section{padding:74px 0}.grid-3,.grid-4,.schedule-cards{grid-template-columns:1fr}.method-image{min-height:410px}.plan{padding:28px 23px}.plan strong{font-size:34px}.enrollment{padding:26px 22px}.final-cta{min-height:560px;padding:70px 18px}.final-content .btn{width:100%}.site-footer{flex-direction:column;align-items:flex-start}}


/* ===== V12: precios ocultos + Matrícula Fundador ===== */

.founder-enrollment {
  align-items: center;
}

.founder-enrollment h3 {
  max-width: 420px;
  font-size: 30px;
  line-height: 1.12;
}

.enrollment-features {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px 28px;
  align-content: center;
  color: #aaa49d;
  font-size: 13px;
}

.founder-card {
  margin-top: 18px;
  padding: 34px 35px;
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 50px;
  align-items: center;
  border: 1px solid rgba(201,164,90,.45);
  background:
    radial-gradient(circle at top right, rgba(201,164,90,.14), transparent 34%),
    linear-gradient(135deg, rgba(201,164,90,.06), rgba(255,255,255,.01)),
    #0b0b0b;
  box-shadow: inset 0 0 0 1px rgba(201,164,90,.05);
}

.founder-card h3 {
  margin-top: 12px;
  font-family: "Montserrat", sans-serif;
  font-size: 36px;
  font-weight: 500;
}

.founder-copy {
  margin-top: 15px;
  max-width: 690px;
  color: #aaa49d;
  font-size: 14px;
  font-weight: 300;
  line-height: 1.75;
}

.founder-action {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 18px;
}

.founder-action > p {
  color: #c9b98f;
  font-size: 12px;
  line-height: 1.6;
}

@media(max-width:900px){
  .founder-card {
    grid-template-columns: 1fr;
    gap: 26px;
  }
}

@media(max-width:620px){
  .enrollment-features {
    grid-template-columns: 1fr;
  }

  .founder-card {
    padding: 28px 22px;
  }

  .founder-card h3 {
    font-size: 30px;
  }

  .founder-action .btn {
    width: 100%;
  }
}


/* ===== V14: fondos por disciplina + hover dorado ===== */

.discipline-card {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  transition:
    border-color .35s ease,
    box-shadow .35s ease,
    transform .35s ease;
}

.discipline-card::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -2;
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
  opacity: .34;
  transform: scale(1.02);
  transition:
    opacity .4s ease,
    transform .55s cubic-bezier(.2,.75,.25,1);
}

.discipline-card::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(90deg, rgba(8,8,8,.90) 0%, rgba(8,8,8,.78) 42%, rgba(8,8,8,.60) 100%),
    linear-gradient(to top, rgba(7,7,7,.86), rgba(7,7,7,.30));
  transition: background .35s ease;
}

.canto-card::before {
  background-image: url("assets/lab-disciplines/canto.webp");
}

.teclado-card::before {
  background-image: url("assets/lab-disciplines/teclado.webp");
}

.guitarra-card::before {
  background-image: url("assets/lab-disciplines/guitarra.webp");
}

.bajo-card::before {
  background-image: url("assets/lab-disciplines/bajo.webp");
}

.bateria-card::before {
  background-image: url("assets/lab-disciplines/bateria.webp");
}

.acordeon-card::before {
  background-image: url("assets/lab-disciplines/acordeon.webp");
}

.discipline-card:hover,
.discipline-card:focus-within {
  transform: translateY(-3px);
}

.discipline-card:hover::before,
.discipline-card:focus-within::before {
  opacity: .64;
  transform: scale(1.07);
}

.discipline-card:hover::after,
.discipline-card:focus-within::after {
  background:
    linear-gradient(90deg, rgba(8,8,8,.82) 0%, rgba(8,8,8,.68) 42%, rgba(8,8,8,.48) 100%),
    linear-gradient(to top, rgba(7,7,7,.82), rgba(201,164,90,.06));
}

.discipline-card h3,
.discipline-card p,
.discipline-card span {
  position: relative;
  z-index: 2;
}

@media (max-width:620px) {
  .discipline-card::before {
    opacity: .38;
  }
}


/* ===== V16: foto real en "Del aula al escenario" ===== */
@media(max-width:900px){
  .method-photo{
    padding:14px;
  }
}

@media(max-width:620px){
  .method-photo{
    padding:10px;
  }

  .method-photo-overlay{
    background:
      linear-gradient(to top, rgba(5,5,5,.92), rgba(5,5,5,.26) 58%),
      linear-gradient(90deg, rgba(8,8,8,.34), rgba(201,164,90,.05));
  }
}


/* ===== V17: imágenes de fondo en PLANES ===== */

.basic-plan-card,
.artist-plan-card {
  position: relative;
  isolation: isolate;
  overflow: hidden;
}

.basic-plan-card::before,
.artist-plan-card::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -2;
  background-position: center right;
  background-size: cover;
  background-repeat: no-repeat;
  transform: scale(1.03);
  transition:
    opacity .4s ease,
    transform .55s cubic-bezier(.2,.75,.25,1);
}

.basic-plan-card::before {
  background-image: url("assets/lab-plans/plan-basico-guitarra.webp");
  opacity: .60;
}

.artist-plan-card::before {
  background-image: url("assets/lab-plans/plan-artista-microfono.webp");
  opacity: .60;
}

.basic-plan-card::after,
.artist-plan-card::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(90deg, rgba(8,8,8,.92) 0%, rgba(8,8,8,.78) 46%, rgba(8,8,8,.58) 100%),
    linear-gradient(to top, rgba(7,7,7,.90), rgba(7,7,7,.24));
  transition: background .35s ease;
}

.basic-plan-card:hover::before,
.artist-plan-card:hover::before {
  transform: scale(1.06);
}

.basic-plan-card:hover::after,
.artist-plan-card:hover::after {
  background:
    linear-gradient(90deg, rgba(8,8,8,.88) 0%, rgba(8,8,8,.72) 46%, rgba(8,8,8,.48) 100%),
    linear-gradient(to top, rgba(7,7,7,.88), rgba(201,164,90,.06));
}

.basic-plan-card > *,
.artist-plan-card > * {
  position: relative;
  z-index: 2;
}

@media(max-width:620px){
  .basic-plan-card::before {
    opacity: .64;
    background-position: 68% center;
  }

  .artist-plan-card::before {
    opacity: .64;
    background-position: 72% center;
  }
}


/* ===== FINAL POLISH V25 ===== */
:root { color-scheme: dark; }

section[id] { scroll-margin-top: 96px; }

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--gold-light, #efd596);
  outline-offset: 4px;
}

::selection {
  background: rgba(201,164,90,.30);
  color: #fff;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
}


/* ===== V28 SEO LOCAL · Preguntas frecuentes ===== */
.seo-faq-section{
  padding:105px 0;
  border-top:1px solid rgba(255,255,255,.08);
  border-bottom:1px solid rgba(255,255,255,.08);
  background:#080808;
}

.seo-faq-list{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:12px;
}

.seo-faq-list details{
  border:1px solid rgba(255,255,255,.10);
  background:
    radial-gradient(circle at top right,rgba(201,164,90,.07),transparent 34%),
    #0b0b0b;
  padding:0 22px;
}

.seo-faq-list summary{
  position:relative;
  list-style:none;
  cursor:pointer;
  padding:22px 34px 22px 0;
  color:#eee9df;
  font-size:14px;
  font-weight:500;
  line-height:1.5;
}

.seo-faq-list summary::-webkit-details-marker{display:none}

.seo-faq-list summary::after{
  content:"+";
  position:absolute;
  right:0;
  top:19px;
  color:#c9a45a;
  font-size:20px;
  font-weight:300;
  transition:transform .25s ease;
}

.seo-faq-list details[open] summary::after{
  transform:rotate(45deg);
}

.seo-faq-list details p{
  padding:0 0 22px;
  color:#9f9a92;
  font-size:13px;
  font-weight:300;
  line-height:1.75;
}

@media(max-width:900px){
  .seo-faq-list{grid-template-columns:1fr}
}

@media(max-width:620px){
  .seo-faq-section{padding:74px 0}
}