:root{
  --blue-900:#00265c;
  --blue-800:#00347f;
  --blue-700:#0047ab;
  --blue-600:#0066ff;
  --blue-500:#2b80ff;
  --blue-400:#5c9dff;
  --blue-200:#b3d1ff;
  --blue-100:#e0edff;
  --blue-50:#ecf3f9;
  --cyan:#33b5ff;
  --ink:#242930;
  --muted:#6d7278;
  --line:#dde6f0;
  --white:#ffffff;
  --radius:20px;
  --shadow:0 20px 50px -20px rgba(0,71,171,.35);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:80px;font-size:15px;-webkit-text-size-adjust:100%}
html,body{overflow-x:clip}
body{font-family:'Plus Jakarta Sans',system-ui,sans-serif;color:var(--ink);background:var(--white);line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{width:min(1180px,100% - 32px);margin-inline:auto}
h1,h2,h3{line-height:1.15;letter-spacing:-.02em}
h2{font-size:clamp(1.6rem,3vw,2.4rem);font-weight:800;margin-bottom:14px}
.section{padding:90px 0}
.section-sub{color:var(--muted);max-width:640px;font-size:1rem}
.center{text-align:center}
.center .section-sub{margin-inline:auto}
.eyebrow{display:inline-block;font-size:.8rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--blue-600);background:var(--blue-100);padding:6px 14px;border-radius:999px;margin-bottom:16px}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:700;padding:15px 28px;border-radius:999px;transition:.2s;cursor:pointer;border:none;font-family:inherit;font-size:1rem;text-align:center;line-height:1.3}
.btn-primary{background:linear-gradient(135deg,var(--blue-600),var(--blue-500));color:#fff;box-shadow:0 10px 25px -8px rgba(0,102,255,.7)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 30px -8px rgba(0,102,255,.85)}
.btn-light{background:#fff;color:var(--blue-700)}
.btn-light:hover{transform:translateY(-2px)}
.btn-block{width:100%}

/* Nav */
.nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.85);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:70px}
.logo{font-weight:800;font-size:1.25rem;display:flex;align-items:center;gap:10px}
.logo-mark{width:36px;height:36px;border-radius:10px;background:linear-gradient(135deg,var(--blue-600),var(--cyan));display:grid;place-items:center;color:#fff;font-size:.9rem}
.logo img{height:44px;width:auto;display:block;border-radius:6px}
.nav-links{display:flex;gap:28px;font-weight:600;color:var(--muted);font-size:.95rem}
.nav-links a:hover{color:var(--blue-600)}
.nav .btn{padding:10px 20px;font-size:.9rem}
.nav-actions{display:flex;align-items:center;gap:10px}
.nav-toggle{display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:12px;background:#fff;cursor:pointer;flex-direction:column;justify-content:center;align-items:center;gap:5px}
.nav-toggle span{display:block;width:20px;height:2px;border-radius:2px;background:var(--blue-800);transition:.25s}
.nav.open .nav-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav.open .nav-toggle span:nth-child(2){opacity:0}
.nav.open .nav-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* Hero */
.hero{position:relative;overflow:hidden;background:radial-gradient(1200px 600px at 85% -10%,var(--blue-100),transparent 60%),radial-gradient(800px 500px at -10% 110%,#e6f4ff,transparent 60%),var(--blue-50);padding:70px 0 90px}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:50px;align-items:center}
.hero h1{font-size:clamp(1.9rem,4.5vw,3.2rem);font-weight:800;margin-bottom:20px}
.hero h1 span{background:linear-gradient(135deg,var(--blue-600),var(--cyan));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.lead{font-size:1.05rem;color:var(--muted);margin-bottom:26px;max-width:600px}
.checks{list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:10px 20px;margin-bottom:30px}
.checks li{display:flex;gap:10px;align-items:flex-start;font-weight:600}
.checks li::before{content:"✓";flex:none;width:22px;height:22px;border-radius:50%;background:var(--blue-600);color:#fff;font-size:.75rem;display:grid;place-items:center;margin-top:2px}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.chip{background:#fff;border:1px solid var(--line);border-radius:999px;padding:7px 14px;font-size:.85rem;font-weight:600;color:var(--muted)}

/* Course card */
.course-card{background:#fff;border-radius:28px;box-shadow:var(--shadow);overflow:hidden;border:1px solid var(--line);width:100%;max-width:380px;justify-self:end}
.card-photo{height:280px;background:var(--blue-800) url("../images/foto-mejorada-3.png") 46% 20%/cover no-repeat;position:relative;display:flex;align-items:flex-end;padding:20px;color:#fff}
.card-photo::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 45%,rgba(4,20,60,.85))}
.avatar{width:64px;height:64px;border-radius:50%;background:#fff;color:var(--blue-700);display:grid;place-items:center;font-weight:800;font-size:1.3rem;margin-right:14px;position:relative;z-index:1;border:3px solid var(--blue-200)}
.card-photo .who{position:relative;z-index:1;display:flex;align-items:center}
.card-photo small{opacity:.8;display:block;font-size:.8rem}
.card-body{padding:24px}
.next-date{font-size:.9rem;color:var(--muted)}
.next-date strong{color:var(--ink)}
.countdown{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin:14px 0 20px}
.countdown div{background:var(--blue-50);border:1px solid var(--blue-100);border-radius:14px;padding:10px 4px;text-align:center}
.countdown b{display:block;font-size:1.5rem;color:var(--blue-700);line-height:1.1}
.countdown span{font-size:.72rem;color:var(--muted);text-transform:uppercase;letter-spacing:.05em}
.price-row{display:flex;align-items:baseline;gap:12px;margin-bottom:4px}
.price{font-size:2.4rem;font-weight:800;color:var(--blue-700)}
.price-alt{color:var(--muted);font-weight:600}
.currency-toggle{display:inline-flex;background:var(--blue-50);border-radius:999px;padding:3px;margin-left:auto}
.currency-toggle button{border:none;background:transparent;padding:5px 12px;border-radius:999px;font-weight:700;font-family:inherit;color:var(--muted);cursor:pointer;font-size:.8rem}
.currency-toggle button.active{background:var(--blue-600);color:#fff}
.card-note{font-size:.85rem;color:var(--muted);margin-bottom:16px}
.card-promo{background:var(--blue-50);border-radius:12px;padding:10px 14px;margin-bottom:16px;font-size:.88rem}
.card-promo div{display:flex;justify-content:space-between;gap:12px;padding:4px 0}
.card-promo b{color:var(--blue-700);white-space:nowrap}
.modes{display:flex;gap:8px;margin-bottom:18px}
.modes span{flex:1;text-align:center;font-size:.82rem;font-weight:700;padding:8px;border-radius:12px;background:var(--blue-100);color:var(--blue-700)}
details.tz{margin-top:16px;border-top:1px solid var(--line);padding-top:14px}
details.tz summary{cursor:pointer;font-weight:700;font-size:.9rem;color:var(--blue-700)}
.tz table{width:100%;margin-top:10px;border-collapse:collapse;font-size:.88rem}
.tz td{padding:6px 0;border-bottom:1px dashed var(--line)}
.tz td:last-child{text-align:right;font-weight:700}

/* Urgency bar */
.urgency{background:linear-gradient(90deg,var(--blue-800),var(--blue-600));color:#fff;text-align:center;padding:14px 16px;font-weight:700}

/* Marquee */
.marquee-wrap{padding:40px 0 10px;overflow:hidden}
.marquee-title{text-align:center;color:var(--muted);font-weight:700;font-size:.9rem;text-transform:uppercase;letter-spacing:.08em;margin-bottom:20px}
.marquee{display:flex;gap:12px;width:max-content;animation:scroll 40s linear infinite}
.marquee span{white-space:nowrap;padding:10px 20px;border-radius:999px;background:var(--blue-50);border:1px solid var(--blue-100);font-weight:700;color:var(--blue-800)}
@keyframes scroll{to{transform:translateX(-50%)}}
@media (prefers-reduced-motion:reduce){.marquee{animation:none;flex-wrap:wrap;width:auto;justify-content:center}}

/* Stats */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:50px}
.stat{text-align:center;padding:26px 10px;border-radius:var(--radius);background:#fff;border:1px solid var(--line)}
.stat b{display:block;font-size:2.4rem;font-weight:800;color:var(--blue-600)}
.stat span{color:var(--muted);font-weight:600;font-size:.92rem}

/* What is */
.what{background:var(--blue-50)}
.what-box{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center}
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.gallery div{aspect-ratio:1;border-radius:16px;background:linear-gradient(135deg,var(--blue-200),var(--blue-500));position:relative;overflow:hidden}
.gallery div:nth-child(2n){background:linear-gradient(135deg,var(--blue-700),var(--cyan))}
.gallery div:nth-child(3n){background:linear-gradient(135deg,var(--blue-900),var(--blue-500))}
.gallery div span{position:absolute;bottom:10px;left:10px;color:#fff;font-size:.75rem;font-weight:700;opacity:.9}
.video-collage{grid-template-columns:repeat(3,1fr);gap:10px;padding:10px;background:var(--white);border-radius:var(--radius);box-shadow:var(--shadow);border:1px solid var(--line);transform:rotate(1deg)}
.video-collage a{position:relative;display:block;aspect-ratio:16/10;border-radius:12px;overflow:hidden;background:var(--blue-900);isolation:isolate}
.video-collage a.featured{grid-column:span 2;grid-row:span 2;aspect-ratio:auto}
.video-collage img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.video-collage a::before{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(0,20,50,.85),rgba(0,20,50,.15) 55%,rgba(0,20,50,0));z-index:1;transition:background .3s}
.video-collage a::after{content:"";position:absolute;top:50%;left:50%;width:34px;height:24px;border-radius:7px;background:#ff0033 url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 10 10'%3E%3Cpath d='M3 2l5 3-5 3z' fill='%23fff'/%3E%3C/svg%3E") center/12px no-repeat;transform:translate(-50%,-50%) scale(.9);opacity:.92;z-index:2;transition:transform .25s,opacity .25s;box-shadow:0 6px 16px rgba(0,0,0,.35)}
.video-collage a.featured::after{width:64px;height:44px;border-radius:12px;background-size:20px}
.video-collage a:hover img{transform:scale(1.08)}
.video-collage a:hover::after{transform:translate(-50%,-50%) scale(1.08);opacity:1}
.video-collage a:hover::before{background:linear-gradient(to top,rgba(0,20,50,.9),rgba(0,20,50,.35))}
.video-collage span{position:absolute;left:10px;right:10px;bottom:8px;color:#fff;font-size:.68rem;font-weight:700;line-height:1.25;z-index:2;opacity:0;transform:translateY(6px);transition:opacity .25s,transform .25s}
.video-collage a:hover span,.video-collage a.featured span{opacity:1;transform:none}
.video-collage a.featured span{left:16px;right:16px;bottom:14px;font-size:1.05rem;font-weight:800}
.video-collage em{position:absolute;top:12px;left:12px;z-index:2;font-style:normal;font-size:.68rem;font-weight:700;color:#fff;background:rgba(255,255,255,.18);backdrop-filter:blur(6px);border:1px solid rgba(255,255,255,.3);padding:4px 10px;border-radius:999px}
@media (hover:none){.video-collage span{opacity:1;transform:none}}

/* Comparison */
.enterprise-checks{grid-template-columns:repeat(3,1fr);margin:40px 0 0;text-align:left}
.compare-cta{margin-top:30px;display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:24px;text-align:center}
.compare-cta s{color:var(--muted)}
.compare-cta .big{font-size:2rem;font-weight:800;color:var(--blue-700)}

/* Tools */
.tool-group{margin-top:50px}
.tool-group h3{font-size:1.25rem;margin-bottom:18px;display:flex;align-items:center;gap:10px}
.tool-group h3::before{content:"";width:10px;height:10px;border-radius:3px;background:var(--blue-500)}
.tools{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:16px}
.tool{padding:20px;border-radius:16px;border:1px solid var(--line);background:#fff;transition:.2s}
.tool:hover{border-color:var(--blue-400);transform:translateY(-3px);box-shadow:var(--shadow)}
.tool b{display:block;margin-bottom:4px;color:var(--blue-800)}
.tool p{font-size:.9rem;color:var(--muted)}

/* Schedule */
.schedule{background:linear-gradient(180deg,var(--blue-900),var(--blue-800));color:#fff}
.schedule .section-sub{color:var(--blue-200)}
.schedule .eyebrow{background:rgba(255,255,255,.1);color:var(--blue-200)}
.timeline{margin-top:50px;display:grid;gap:18px;counter-reset:mod}
.mod{display:grid;grid-template-columns:70px 1fr;gap:20px;padding:24px;border-radius:var(--radius);background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);transition:.2s}
.mod:hover{background:rgba(255,255,255,.1)}
.mod-num{width:56px;height:56px;border-radius:16px;background:linear-gradient(135deg,var(--blue-500),var(--cyan));display:grid;place-items:center;font-weight:800;font-size:1.4rem}
.mod h3{font-size:1.15rem;margin-bottom:4px}
.mod .time{display:inline-block;font-size:.8rem;font-weight:700;color:var(--cyan);margin-bottom:8px}
.mod p{color:var(--blue-200);font-size:.95rem}

/* Benefits */
.benefits{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:50px}
.benefit{padding:28px;border-radius:var(--radius);background:var(--blue-50);border:1px solid var(--blue-100)}
.benefit .ico{width:48px;height:48px;border-radius:14px;background:var(--blue-600);color:#fff;display:grid;place-items:center;font-size:1.3rem;margin-bottom:16px}
.benefit h3{font-size:1.1rem;margin-bottom:8px}
.benefit p{color:var(--muted);font-size:.93rem}
.case{margin-top:40px;display:grid;grid-template-columns:.9fr 1.1fr;gap:30px;padding:36px;border-radius:28px;background:linear-gradient(135deg,var(--blue-700),var(--blue-500));color:#fff}
.case .tag{display:inline-block;background:rgba(255,255,255,.18);padding:5px 12px;border-radius:999px;font-size:.8rem;font-weight:700;margin-bottom:12px}
.case h3{font-size:1.5rem;margin-bottom:10px}
.case p{color:var(--blue-100)}
.case ul{list-style:none;display:grid;gap:10px}
.case li{background:rgba(255,255,255,.12);padding:12px 16px;border-radius:12px;font-weight:600}
.case li::before{content:"✓ ";color:var(--cyan)}

/* Instructor */
.instructor{display:grid;grid-template-columns:.8fr 1.2fr;gap:50px;align-items:center}
.inst-photo{aspect-ratio:4/5;border-radius:28px;background:linear-gradient(160deg,var(--blue-500),var(--blue-900));display:grid;place-items:center;color:#fff;font-size:4rem;font-weight:800;box-shadow:var(--shadow)}
.inst-photo small{display:block;font-size:.9rem;font-weight:600;opacity:.7;text-align:center}
.instructor p{color:var(--muted);margin-bottom:14px}
.badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.badges span{background:var(--blue-100);color:var(--blue-800);padding:8px 14px;border-radius:999px;font-weight:700;font-size:.85rem}

/* Register */
.register{background:var(--blue-50)}
.reg-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;margin-top:40px;align-items:start}
.includes{background:#fff;border-radius:28px;padding:34px;border:1px solid var(--line)}
.includes .price{font-size:2.6rem}
.includes ul{list-style:none;margin:20px 0;display:grid;gap:12px}
.includes li{display:flex;gap:10px}
.includes li::before{content:"✓";flex:none;color:var(--blue-600);font-weight:800}
.guarantees{display:flex;flex-wrap:wrap;gap:8px}
.reg{background:#fff;border-radius:28px;padding:34px;box-shadow:var(--shadow);border:1px solid var(--line)}
.reg h3{margin-bottom:20px}
.field{margin-bottom:16px}
.field label{display:block;font-weight:700;font-size:.88rem;margin-bottom:6px}
.field input,.field select,.field textarea{width:100%;padding:13px 16px;border-radius:12px;border:1.5px solid var(--line);font-family:inherit;font-size:1rem;background:var(--blue-50);transition:.2s}
.field textarea{resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--blue-500);background:#fff}
.pay{margin:20px 0;padding:18px;border-radius:16px;background:var(--blue-50);border:1px dashed var(--blue-200);font-size:.9rem}
.pay b{color:var(--blue-800)}
.pay div{display:flex;justify-content:space-between;padding:5px 0}
.form-msg{display:none;margin-top:14px;padding:14px;border-radius:12px;background:#dcfce7;color:#166534;font-weight:600;text-align:center}
.form-msg.error{background:#fee2e2;color:#991b1b}
.form-msg a{text-decoration:underline}
.small{font-size:.82rem;color:var(--muted);text-align:center;margin-top:10px}

/* FAQ */
.faq{max-width:820px;margin:40px auto 0}
.faq details{border-bottom:1px solid var(--line);padding:20px 0}
.faq summary{cursor:pointer;font-weight:700;font-size:1.05rem;list-style:none;display:flex;justify-content:space-between;gap:20px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";flex:none;width:30px;height:30px;border-radius:50%;background:var(--blue-100);color:var(--blue-700);display:grid;place-items:center;font-size:1.2rem;transition:.2s}
.faq details[open] summary::after{transform:rotate(45deg);background:var(--blue-600);color:#fff}
.faq p{color:var(--muted);margin-top:12px}

/* Paths */
.paths{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin:40px auto 0;max-width:960px}
.path{padding:24px;border-radius:var(--radius);border:1px solid var(--line);transition:.2s;display:block}
.path:hover{border-color:var(--blue-500);box-shadow:var(--shadow)}
.path b{display:block;color:var(--blue-700);margin-bottom:8px}
.path p{color:var(--muted);font-size:.9rem}

/* Final CTA */
.final{background:radial-gradient(800px 400px at 50% 0%,var(--blue-500),var(--blue-800));color:#fff;text-align:center;padding:90px 0}
.final p{color:var(--blue-100);font-size:1.05rem;margin-bottom:24px}
.final .big{font-size:2.8rem;font-weight:800;margin-bottom:20px}

/* Footer */
footer{background:var(--blue-900);color:var(--blue-200);padding:60px 0 100px}
.foot{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:30px}
footer h4{color:#fff;margin-bottom:12px}
footer ul{list-style:none;display:grid;gap:8px;font-size:.92rem}
footer a:hover{color:#fff}
.copy{border-top:1px solid rgba(255,255,255,.1);margin-top:40px;padding-top:20px;font-size:.85rem}

/* Sticky bar + WhatsApp */
.sticky{position:fixed;bottom:0;left:0;right:0;background:#fff;border-top:1px solid var(--line);padding:12px 16px;display:flex;align-items:center;justify-content:space-between;gap:12px;z-index:60;transform:translateY(100%);transition:.3s;box-shadow:0 -10px 30px -10px rgba(0,38,92,.2)}
.sticky.show{transform:none}
.sticky b{color:var(--blue-700)}
.sticky small{display:block;color:var(--muted);font-size:.78rem}
.sticky .btn{padding:11px 20px;font-size:.9rem}
.wa{position:fixed;right:18px;bottom:90px;width:56px;height:56px;border-radius:50%;background:#25d366;color:#fff;display:grid;place-items:center;font-size:1.6rem;z-index:61;box-shadow:0 10px 25px -5px rgba(0,0,0,.3);transition:transform .2s}
.wa:hover{transform:scale(1.08)}

/* Contacto y pagos */
.btn-wa{background:#25d366;color:#fff;box-shadow:0 10px 25px -8px rgba(37,211,102,.7)}
.btn-wa:hover{transform:translateY(-2px)}
.btn-outline{background:#fff;color:var(--blue-700);border:2px solid var(--blue-200);margin-top:12px}
.btn-outline:hover{border-color:var(--blue-600);transform:translateY(-2px)}
.contact-intro{color:var(--muted);margin-bottom:14px}
.contact-cases{list-style:none;margin-bottom:20px;border:1px solid var(--line);border-radius:14px;overflow:hidden}
.contact-cases li{display:flex;justify-content:space-between;gap:12px;padding:12px 16px;font-size:.92rem;border-bottom:1px solid var(--line)}
.contact-cases li:last-child{border-bottom:none}
.contact-cases b{color:var(--blue-700);white-space:nowrap}
.contact-mail{word-break:break-word}
.pay-alt{font-size:.9rem;color:var(--muted);margin-top:16px;line-height:1.7}
.pay-alt + .hero-meta{margin-top:20px}
.pay-alt a,.card-promo a,.contact-cases a{color:var(--blue-700);font-weight:700;text-decoration:underline;text-underline-offset:3px}
.final .btn-light{margin:6px}

/* Responsive */
@media (max-width:960px){
  .hero-grid,.what-box,.instructor,.reg-grid,.case{grid-template-columns:1fr}
  .hero-grid,.what-box,.instructor{gap:40px}
  .course-card{justify-self:center}
  .benefits,.enterprise-checks{grid-template-columns:1fr 1fr}
  .paths{grid-template-columns:1fr;max-width:560px}
  .stats{grid-template-columns:1fr 1fr}
  .foot{grid-template-columns:1fr 1fr}
  .video-collage{transform:none}
  .inst-photo{max-width:300px;width:100%;margin-inline:auto}
  /* Menú hamburguesa */
  .nav-toggle{display:flex}
  .nav-links{position:absolute;top:100%;left:0;right:0;flex-direction:column;gap:0;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 20px 30px -20px rgba(0,38,92,.25);padding:6px 16px 14px;opacity:0;visibility:hidden;transform:translateY(-8px);transition:.2s}
  .nav-links a{padding:14px 4px;border-bottom:1px solid var(--line);color:var(--ink);font-size:1rem}
  .nav-links a:last-child{border-bottom:none}
  .nav.open .nav-links{opacity:1;visibility:visible;transform:none}
}
@media (max-width:600px){
  html{scroll-padding-top:70px}
  .section{padding:56px 0}
  .what{margin-top:40px!important}
  h2{font-size:1.55rem}
  .eyebrow{font-size:.72rem;margin-bottom:12px}
  .btn{padding:14px 20px}

  /* Nav */
  .nav-inner{height:62px}
  .logo img{height:36px}
  .nav .btn{padding:9px 14px;font-size:.85rem}

  /* Hero */
  .hero{padding:36px 0 56px}
  .hero h1{font-size:1.85rem}
  .hero p.lead{font-size:1rem;margin-bottom:20px}
  .checks{grid-template-columns:1fr;gap:12px}
  .checks li{font-size:.95rem}
  .hero .btn-primary{width:100%}
  .pay-alt{text-align:center;font-size:.88rem}
  .hero-meta{justify-content:center;gap:8px}
  .chip{font-size:.8rem;padding:6px 12px}
  .card-photo{height:240px}
  .card-body{padding:20px}
  .countdown b{font-size:1.3rem}
  .countdown span{font-size:.65rem}
  .modes{flex-wrap:wrap}

  /* Barras */
  .urgency{font-size:.88rem;padding:12px 16px;line-height:1.45}
  .marquee-wrap{padding:28px 0 0}
  .marquee span{padding:8px 16px;font-size:.88rem}
  .stats{gap:12px;margin-top:32px}
  .stat{padding:18px 8px}
  .stat b{font-size:1.8rem}
  .stat span{font-size:.82rem;display:block;line-height:1.35}

  /* Contenido */
  .checks,.benefits,.paths,.enterprise-checks{grid-template-columns:1fr}
  .enterprise-checks{margin-top:28px}
  .compare-cta{flex-direction:column;gap:12px;width:100%}
  .compare-cta .btn{width:100%}
  .video-collage{grid-template-columns:1fr 1fr;gap:8px;padding:8px}
  .video-collage a.featured{grid-row:auto;aspect-ratio:16/9}
  .video-collage a.featured span{font-size:.92rem;left:12px;bottom:10px}
  .video-collage a.featured::after{width:52px;height:36px}
  .tool-group{margin-top:36px}
  .tool-group h3{font-size:1.1rem}
  .tools{grid-template-columns:1fr;gap:12px}
  .tool{padding:16px}
  .timeline{margin-top:32px;gap:12px}
  .mod{grid-template-columns:44px 1fr;gap:14px;padding:18px}
  .mod-num{width:44px;height:44px;border-radius:12px;font-size:1.1rem}
  .mod h3{font-size:1.05rem}
  .mod p{font-size:.9rem}
  .benefits{gap:12px;margin-top:32px}
  .benefit{padding:20px;display:grid;grid-template-columns:44px 1fr;column-gap:14px}
  .benefit .ico{width:44px;height:44px;font-size:1.15rem;margin-bottom:0;grid-row:span 2}
  .case{padding:24px;gap:20px;border-radius:22px}
  .case h3{font-size:1.25rem}
  .instructor{text-align:center}
  .badges{justify-content:center}
  .inst-photo{max-width:220px}

  /* Inscripción */
  .reg-grid{gap:20px;margin-top:28px}
  .includes,.reg{padding:22px;border-radius:22px}
  .includes .price{font-size:2.2rem}
  .contact-cases li{flex-direction:column;gap:2px}
  .pay{padding:14px}

  /* FAQ, final y footer */
  .faq{margin-top:24px}
  .faq details{padding:16px 0}
  .faq summary{font-size:.98rem}
  .final{padding:60px 0}
  .final .big{font-size:2.4rem}
  .final .btn-light{display:flex;width:100%;margin:10px 0 0}
  .foot{grid-template-columns:1fr;gap:24px}
  footer{padding:44px 0 110px}

  /* Barra fija y WhatsApp */
  .sticky{padding:10px 14px;padding-bottom:calc(10px + env(safe-area-inset-bottom))}
  .sticky-info{min-width:0}
  .sticky b{font-size:.85rem;display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .sticky .btn{padding:10px 16px;font-size:.85rem;flex:none}
  .wa{width:52px;height:52px;right:14px;bottom:84px}
}
@media (max-width:380px){
  .hero h1{font-size:1.65rem}
  .countdown{gap:5px}
  .countdown b{font-size:1.15rem}
  .nav .btn{display:none}
}