*{box-sizing:border-box}
html{scroll-behavior:smooth}
html,body{margin:0;padding:0}
body{background:var(--bg-page);font-family:var(--font-body);-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:var(--link);text-decoration:none}
a:hover{color:var(--link-hover)}
img{max-width:100%;display:block}
ul{list-style:none}
section{padding:96px 24px}
.wrap{max-width:1200px;margin:0 auto}
.wrap--narrow{max-width:1000px;margin:0 auto}
.wrap--text{max-width:1000px;margin:0 auto}

/* ===== Header ===== */
.site-header{
  display:flex;align-items:center;justify-content:space-between;
  padding:18px 24px;position:sticky;top:0;
  background:rgba(255,255,255,0.88);backdrop-filter:blur(10px);
  z-index:30;border-bottom:1px solid var(--surface-card-border);
  gap:16px;
}
.site-header__logo{height:40px}
.site-nav{display:flex;gap:32px;font-family:var(--font-body);font-weight:600;color:var(--text-secondary);font-size:15px;align-items:center}
.site-nav a{color:var(--text-secondary)}
.site-nav .btn{display:none}
.nav-toggle{
  display:none;background:none;border:none;cursor:pointer;padding:8px;
  flex-direction:column;gap:5px;
}
.nav-toggle span{display:block;width:24px;height:2px;background:var(--navy-900)}

/* ===== Hero ===== */
.hero{
  position:relative;padding:88px 24px 96px;background:var(--bg-canvas);overflow:hidden;
}
.hero::before{
  content:"";position:absolute;top:-120px;right:-120px;width:480px;height:480px;
  border-radius:50%;background:var(--gradient-tech);opacity:0.18;filter:blur(50px);
}
.hero__inner{
  max-width:1200px;margin:0 auto;display:flex;gap:56px;align-items:center;
  position:relative;flex-wrap:wrap;
}
.hero__content{flex:1 1 460px;min-width:320px}
.hero__title{
  font-family:var(--font-display);font-weight:900;font-size:42px;line-height:1.15;
  color:var(--navy-900);margin:22px 0 0;
}
.hero__tagline{
  font-family:var(--font-display);font-weight:800;font-style:italic;font-size:24px;line-height:1.3;
  color:var(--navy-700);margin:14px 0 0;
}
.hero__tagline-accent{color:var(--brand-tech-strong)}
.hero__lead{
  font-family:var(--font-body);font-size:18px;line-height:1.6;color:var(--text-secondary);
  margin:22px 0 0;max-width:520px;
}
.hero__actions{display:flex;gap:14px;margin-top:32px;flex-wrap:wrap}
.hero__note{font-size:13px;color:var(--neutral-500);margin-top:16px}
.hero__tags{display:flex;gap:10px;margin-top:24px;flex-wrap:wrap}
.hero__media{flex:1 1 420px;min-width:280px;max-width:460px}
.hero__media img{width:100%;height:560px;object-fit:cover;border-radius:24px;box-shadow:var(--shadow-lg)}

/* ===== Tension ===== */
.tension h2{
  font-family:var(--font-display);font-weight:800;font-size:36px;color:var(--navy-900);
  text-align:center;margin:0 0 48px;
}
.tension__grid{display:flex;gap:24px;flex-wrap:wrap}
.tension__card{flex:1 1 320px;padding:32px}
.tension__card h3{
  font-family:var(--font-display);font-weight:800;font-size:22px;color:var(--navy-900);margin:16px 0;
}
.tension__card ul{margin:0;padding-left:20px;color:var(--text-secondary);font-size:16px;line-height:2;list-style:disc}
.tension__quote{
  font-family:var(--font-display);font-style:italic;font-weight:700;font-size:26px;
  color:var(--navy-900);text-align:center;margin:48px 0 0;line-height:1.4;
}

/* ===== Intro (SEO) ===== */
.intro{padding-bottom:32px}
.intro .wrap--text{max-width:720px;text-align:center}
.intro h2{font-family:var(--font-display);font-weight:800;font-size:32px;color:var(--navy-900);margin:0 0 24px;line-height:1.25}
.intro p{font-size:17px;color:var(--text-secondary);line-height:1.7;margin:0 0 20px}
.intro__highlight{font-family:var(--font-body);font-weight:700;font-size:17px;color:var(--brand-tech-strong);margin:32px 0 0}

/* ===== Method strip ===== */
.method-strip{padding:40px 24px;background:var(--surface-muted)}
.method-strip__inner{max-width:1000px;margin:0 auto;text-align:center}
.method-strip__label{
  font-family:var(--font-body);font-weight:700;font-size:13px;letter-spacing:var(--ls-wide);
  text-transform:uppercase;color:var(--brand-tech-strong);margin:0 0 16px;
}
.method-strip__flow{display:flex;gap:8px;flex-wrap:wrap;justify-content:center;align-items:center}
.method-strip__arrow{color:var(--neutral-500)}

/* ===== Section heads ===== */
.section-head{text-align:center;max-width:640px;margin:0 auto 56px}
.section-head h2{
  font-family:var(--font-display);font-weight:800;font-size:36px;color:var(--navy-900);margin:18px 0 12px;
}
.section-head p{font-size:17px;color:var(--text-secondary);line-height:1.6}

/* ===== Tracks ===== */
.tracks{background:var(--bg-canvas)}
.tracks__grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:24px}
.track-card{padding:28px}
.track-card h3{
  font-family:var(--font-display);font-weight:800;font-size:20px;color:var(--navy-900);margin:14px 0 8px;
}
.track-card__desc{font-size:15px;color:var(--text-secondary);line-height:1.6;margin:0 0 16px;min-height:72px}
.track-card__tags{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:16px}
.track-card__project{
  font-size:14px;color:var(--navy-900);font-weight:700;margin:0;
  border-top:1px solid var(--surface-card-border);padding-top:14px;
}
.track-card__project span{font-weight:400;color:var(--text-secondary)}

/* ===== Niveles ===== */
.niveles__grid{display:flex;gap:24px;flex-wrap:wrap}
.nivel-card{flex:1 1 320px;padding:32px}
.nivel-card h3{font-family:var(--font-display);font-weight:800;font-size:22px;color:var(--navy-900);margin:16px 0}
.nivel-card__desc{color:var(--text-secondary);font-size:15px;line-height:1.6;margin:0 0 16px}
.nivel-card ul{margin:0;padding-left:20px;color:var(--text-secondary);font-size:15px;line-height:1.9;list-style:disc}
.nivel-card__goal{
  font-size:14px;color:var(--navy-900);font-weight:700;margin-top:18px;
  border-top:1px solid var(--surface-card-border);padding-top:14px;
}

/* ===== Track vs Full ===== */
.compare h2{
  font-family:var(--font-display);font-weight:800;font-size:32px;color:var(--navy-900);
  text-align:center;margin:0 0 12px;
}
.compare > .wrap--narrow > p{text-align:center;color:var(--text-secondary);font-size:16px;margin:0 0 48px}
.compare__grid{display:flex;gap:24px;flex-wrap:wrap;align-items:stretch}
.compare-card{flex:1 1 300px;padding:32px;height:100%;display:flex;flex-direction:column}
.compare-card--featured{flex:1.15 1 320px;border:2px solid var(--brand-accent);position:relative}
.compare-card__badge{position:absolute;top:-14px;left:32px}
.compare-card h3{font-family:var(--font-display);font-weight:800;font-size:20px;color:var(--navy-900);margin:8px 0 8px}
.compare-card p{color:var(--text-secondary);font-size:15px;margin:0 0 20px}
.compare-card ul{margin:0 0 24px;padding-left:20px;color:var(--text-secondary);font-size:15px;line-height:1.9;list-style:disc}
.compare-card__price{display:flex;margin:0 0 24px;padding:16px;background:var(--surface-muted);border-radius:var(--radius-md)}
.compare-card__price-item{flex:1;display:flex;flex-direction:column;gap:2px;text-align:center}
.compare-card__price-item + .compare-card__price-item{border-left:1px solid var(--surface-card-border)}
.compare-card__price-label{font-size:12px;font-weight:var(--fw-semibold);color:var(--brand-tech-strong);text-transform:uppercase;letter-spacing:var(--ls-wide)}
.compare-card__price-value{font-family:var(--font-display);font-weight:800;font-size:20px;color:var(--navy-900)}
.compare-card .btn{margin-top:auto;align-self:center}
.compare-card ul a{text-decoration:underline}
.guarantee{margin:40px auto 0;max-width:640px;padding:24px 28px;background:var(--teal-100);border-radius:var(--radius-lg);text-align:center}
.guarantee h4{font-family:var(--font-display);font-weight:800;font-size:16px;color:var(--brand-tech-strong);margin:0 0 8px;display:flex;align-items:center;justify-content:center;gap:8px}
.guarantee h4::before{content:"✓";display:inline-flex;align-items:center;justify-content:center;width:20px;height:20px;border-radius:50%;background:var(--teal-500);color:#fff;font-size:12px;font-weight:800;flex-shrink:0}
.guarantee p{color:var(--neutral-700);font-size:14px;line-height:1.6;margin:0}
.guarantee__note{font-size:13px}

/* ===== Metodología ===== */
.metodologia .wrap--narrow{max-width:1100px}
.cycle{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:20px;margin-bottom:48px}
.cycle__step{text-align:center}
.cycle__num{
  width:40px;height:40px;border-radius:50%;background:var(--navy-900);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:800;margin:0 auto 12px;
}
.cycle__step h4{font-family:var(--font-display);font-weight:800;font-size:16px;color:var(--navy-900);margin:0 0 6px}
.cycle__step p{font-size:14px;color:var(--text-secondary);line-height:1.5}
.modalities-label{
  font-family:var(--font-body);font-weight:700;font-size:13px;letter-spacing:var(--ls-wide);
  text-transform:uppercase;color:var(--brand-tech-strong);text-align:center;margin:0 0 24px;
}
.modalities__grid{display:flex;gap:24px;flex-wrap:wrap}
.modality-card{flex:1 1 300px;padding:28px}
.modality-card h4{font-family:var(--font-display);font-weight:800;font-size:18px;color:var(--navy-900);margin:0 0 10px}
.modality-card p{font-size:15px;color:var(--text-secondary);line-height:1.6;margin:0 0 12px}
.modality-card .modality-card__meta{
  margin-top:12px;border-top:1px solid var(--surface-card-border);padding-top:14px;
}
.modality-card .modality-card__meta p{font-size:14px;color:var(--navy-900);font-weight:700;margin:0 0 6px}
.modality-card .modality-card__meta p:last-child{margin-bottom:0}
.modality-card .modality-card__meta span{font-weight:400;color:var(--text-secondary)}

/* ===== Passport ===== */
.passport{background:var(--surface-muted)}
.passport .wrap--text{text-align:center}
.passport h2{font-family:var(--font-display);font-weight:800;font-size:32px;color:var(--navy-900);margin:18px 0 32px}
.passport__badges{display:flex;gap:12px;flex-wrap:wrap;justify-content:center;margin-bottom:32px}
.passport-card{padding:24px;max-width:520px;margin:0 auto}
.passport-card p{margin:0;font-size:15px;color:var(--text-secondary);line-height:1.6}
.passport-card strong{color:var(--navy-900)}

/* ===== Responsible AI ===== */
.responsible{background:var(--navy-900)}
.responsible .wrap--narrow{max-width:900px}
.responsible__head{text-align:center;margin-bottom:48px}
.responsible__eyebrow{
  font-family:var(--font-body);font-weight:700;font-size:13px;letter-spacing:var(--ls-wide);
  text-transform:uppercase;color:var(--teal-400);
}
.responsible h2{font-family:var(--font-display);font-weight:800;font-size:34px;color:#fff;margin:16px 0 12px}
.responsible__head p{color:var(--navy-100);font-size:16px;line-height:1.6;max-width:560px;margin:0 auto}
.responsible__grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:16px 32px}
.responsible__item{display:flex;gap:12px;align-items:flex-start}
.responsible__check{color:var(--teal-400);font-weight:800;font-size:16px}
.responsible__item span:last-child{color:var(--navy-100);font-size:15px;line-height:1.5}

/* ===== Demo Day ===== */
.demoday{background:var(--bg-canvas)}
.demoday .wrap--text{text-align:center}
.demoday__collage{display:flex;gap:16px;justify-content:center;margin-bottom:40px;flex-wrap:wrap}
.demoday__photo{width:110px;height:110px;border-radius:18px;overflow:hidden;box-shadow:var(--shadow-md)}
.demoday__photo img{width:100%;height:100%;object-fit:cover}
.demoday__photo:nth-child(1){transform:rotate(-6deg)}
.demoday__photo:nth-child(2){transform:rotate(4deg)}
.demoday__photo:nth-child(3){transform:rotate(-3deg)}
.demoday__photo:nth-child(4){transform:rotate(5deg)}
.demoday__photo:nth-child(5){transform:rotate(-4deg)}
.demoday__photo:nth-child(6){transform:rotate(3deg)}
.demoday h2{font-family:var(--font-display);font-weight:800;font-size:36px;color:var(--navy-900);margin:18px 0 16px}
.demoday__lead{font-size:17px;color:var(--text-secondary);line-height:1.6;max-width:640px;margin:0 auto 24px}
.demoday__tags{display:flex;gap:8px;justify-content:center;flex-wrap:wrap}

/* ===== FAQ ===== */
.faq-list{display:flex;flex-direction:column;gap:14px;max-width:800px;margin:0 auto}
.faq-item{
  background:var(--surface-card);border:1px solid var(--surface-card-border);
  border-radius:var(--radius-md);box-shadow:var(--shadow-sm);padding:0 24px;
}
.faq-item__question{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 0;cursor:pointer;list-style:none;
}
.faq-item__question::-webkit-details-marker{display:none}
.faq-item__question h3{font-family:var(--font-display);font-weight:800;font-size:16px;color:var(--navy-900);margin:0}
.faq-item__question::after{
  content:"+";flex-shrink:0;font-size:22px;line-height:1;color:var(--brand-tech-strong);
  transition:transform var(--dur-base) var(--ease-standard);
}
.faq-item__question:focus-visible{outline:none;box-shadow:var(--shadow-focus);border-radius:var(--radius-sm)}
.faq-item[open] .faq-item__question::after{transform:rotate(45deg)}
.faq-item__answer{padding:0 0 20px}
.faq-item__answer p{font-size:15px;color:var(--text-secondary);line-height:1.6;margin:0 0 12px}
.faq-item__answer p:last-child{margin-bottom:0}

/* ===== Final CTA ===== */
.final-cta{background:var(--navy-900);text-align:center}
.final-cta .wrap--text{max-width:700px}
.final-cta h2{font-family:var(--font-display);font-weight:900;font-size:38px;color:#fff;margin:0 0 12px}
.final-cta__tagline{font-family:var(--font-display);font-style:italic;font-size:19px;color:var(--teal-400);margin:0 0 32px}
.final-cta__chips{display:flex;gap:8px;justify-content:center;flex-wrap:wrap;margin-bottom:32px}
.final-cta__chip{
  background:rgba(255,255,255,0.08);border:1px solid rgba(255,255,255,0.2);color:#fff;
  font-size:13px;padding:6px 12px;border-radius:var(--radius-pill);
}
/* ===== Footer ===== */
.site-footer{padding:48px 24px;background:var(--navy-900);border-top:1px solid rgba(255,255,255,0.1)}
.site-footer__inner{
  max-width:1200px;margin:0 auto;display:flex;justify-content:space-between;
  align-items:center;flex-wrap:wrap;gap:24px;
}
.site-footer__logo{height:36px}
.site-footer nav{display:flex;gap:24px;font-size:14px;flex-wrap:wrap}
.site-footer nav a{color:var(--navy-100)}
.site-footer__social{display:flex;gap:16px}
.site-footer__social a{color:var(--navy-100);display:inline-flex;transition:color var(--dur-base) var(--ease-standard)}
.site-footer__social a:hover{color:var(--teal-400)}
.site-footer__copy{text-align:center;color:rgba(255,255,255,0.4);font-size:12px;margin:32px 0 0}

/* ===== Dialog form ===== */
.enroll-form{display:flex;flex-direction:column;gap:14px}
.enroll-form[hidden]{display:none}
.enroll-success p{margin:0 0 16px}

/* ===== Responsive ===== */
@media (max-width:860px){
  .nav-toggle{display:flex}
  .site-nav{
    position:absolute;top:100%;left:0;right:0;background:#fff;flex-direction:column;
    gap:0;padding:8px 24px 16px;border-bottom:1px solid var(--surface-card-border);
    display:none;
  }
  .site-nav.is-open{display:flex}
  .site-nav a{padding:12px 0;border-bottom:1px solid var(--surface-card-border)}
  .site-nav a:last-child{border-bottom:none}
  .site-header .btn{display:none}
  .site-nav .btn{display:inline-flex;margin-top:8px}
}
@media (max-width:640px){
  section{padding:64px 20px}
  .hero{padding:56px 20px 64px}
  .hero__title{font-size:30px}
  .hero__tagline{font-size:20px}
  .tension__quote{font-size:21px}
  .section-head h2{font-size:28px}
  .compare h2{font-size:26px}
  .responsible h2{font-size:26px}
  .demoday h2{font-size:28px}
  .final-cta h2{font-size:28px}
  .hero__media img{height:340px}
}