*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Arial,Helvetica,sans-serif;background:#f5f7fb;color:#152033}
a{color:inherit}.container{width:min(1120px,92%);margin:0 auto}
.top-bar{background:#07111f;color:#fff;font-size:14px}.top-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:10px 0}.top-inner a{color:#73ffb3;text-decoration:none;font-weight:700}
.header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);box-shadow:0 8px 22px rgba(12,22,44,.08)}
.nav{min-height:74px;display:flex;align-items:center;justify-content:space-between;gap:22px}.brand{display:flex;align-items:center;gap:12px}.logo{width:46px;height:46px;display:grid;place-items:center;border-radius:14px;background:linear-gradient(135deg,#0cbf69,#0b71ff);color:#fff;font-weight:900}.brand strong{display:block;font-size:16px}.brand span{display:block;color:#687386;font-size:13px}
nav{display:flex;gap:20px}nav a{text-decoration:none;font-weight:700;color:#25324a;font-size:14px}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:50px;padding:14px 24px;border-radius:999px;background:#0cbf69;color:#fff;text-decoration:none;font-weight:900;border:2px solid transparent;box-shadow:0 12px 28px rgba(12,191,105,.25);transition:.2s}.btn:hover{transform:translateY(-2px)}.btn-small{min-height:42px;padding:10px 18px;font-size:14px}.btn-outline{background:transparent;color:#fff;border-color:rgba(255,255,255,.55);box-shadow:none}.btn-light{background:#fff;color:#0b6d43}.btn-whatsapp{background:#25D366}
.hero{background:radial-gradient(circle at 80% 20%,rgba(12,191,105,.35),transparent 34%),linear-gradient(135deg,#07111f,#0c2345 55%,#09563a);color:#fff;padding:82px 0 76px;overflow:hidden}.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:54px;align-items:center}.badge{display:inline-flex;padding:8px 14px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.18);border-radius:999px;margin-bottom:18px;font-weight:800}h1{margin:0;font-size:clamp(36px,6vw,64px);line-height:1.02;letter-spacing:-1.8px}.lead{font-size:20px;line-height:1.65;color:#dce8f7;max-width:620px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:30px 0}.trust-list{display:flex;gap:12px;flex-wrap:wrap}.trust-list span{padding:10px 14px;background:rgba(255,255,255,.1);border-radius:14px;font-weight:800}
.card-preview{position:relative;min-height:420px;display:grid;place-items:center}.student-card{width:min(420px,100%);min-height:260px;padding:28px;border-radius:30px;background:linear-gradient(135deg,rgba(255,255,255,.94),rgba(255,255,255,.74)),radial-gradient(circle at 90% 10%,#0cbf69,transparent 30%);color:#102033;box-shadow:0 30px 80px rgba(0,0,0,.30);transform:rotate(-4deg)}.card-chip{width:62px;height:44px;border-radius:12px;background:linear-gradient(135deg,#f7d46b,#d39d24);margin-bottom:24px}.student-card p{margin:0 0 10px;color:#586579;font-weight:900;letter-spacing:2px;font-size:12px}.student-card h3{margin:0;font-size:38px}.card-line{height:10px;border-radius:999px;background:#d8e0ec;margin:38px 0 18px}.card-row{display:flex;justify-content:space-between}.floating-box{position:absolute;right:0;bottom:28px;max-width:280px;background:#fff;color:#172033;padding:18px;border-radius:20px;box-shadow:0 20px 60px rgba(0,0,0,.25)}.floating-box strong,.floating-box span{display:block}.floating-box span{color:#647086;margin-top:6px;line-height:1.4}
.notice{margin-top:-28px;position:relative;z-index:4}.notice-box{background:#fff8df;border:1px solid #f2d074;padding:18px 22px;border-radius:18px;box-shadow:0 12px 35px rgba(70,53,3,.08)}
.section{padding:76px 0}.section-dark{background:#07111f;color:#fff}.section-title{text-align:center;max-width:740px;margin:0 auto 38px}.section-title.left{text-align:left;margin-left:0}.section-title span,.mini{display:inline-block;color:#0cbf69;font-weight:900;text-transform:uppercase;letter-spacing:1.2px;font-size:13px;margin-bottom:10px}.section-title h2,.highlight h2{margin:0;font-size:clamp(30px,4vw,46px);line-height:1.1;letter-spacing:-1px}.section-title p,.highlight p{color:#637087;font-size:18px;line-height:1.6}.section-dark .section-title p{color:#c8d3e2}
.grid{display:grid;gap:22px}.cards{grid-template-columns:repeat(4,1fr)}.info-card,.step,.video-card,.faq details{background:#fff;border:1px solid #e5ebf5;border-radius:24px;padding:24px;box-shadow:0 12px 35px rgba(18,35,65,.06)}.info-card h3,.step h3{margin:12px 0 8px}.info-card p,.step p,.faq p{color:#647086;line-height:1.55}.icon{width:54px;height:54px;display:grid;place-items:center;border-radius:18px;background:#eef7ff;font-size:26px}
.attention{padding:30px 0 10px;background:#fff}.attention-box{background:#fff3cd;border:2px solid #f0c36d;color:#7a5200;padding:20px;border-radius:18px;font-size:18px;font-weight:700;text-align:center;box-shadow:0 10px 25px rgba(0,0,0,.06)}
.tutorial-grid{display:grid;grid-template-columns:.88fr 1.12fr;gap:40px;align-items:center}.video-card{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.15);padding:14px}.video-card iframe{display:block;width:100%;aspect-ratio:16/9;border-radius:18px}.check-list{list-style:none;padding:0;margin:0 0 26px}.check-list li{padding:12px 0 12px 34px;position:relative;color:#e7eef8}.check-list li:before{content:"✓";position:absolute;left:0;top:8px;width:24px;height:24px;display:grid;place-items:center;border-radius:50%;background:#0cbf69;color:#fff;font-weight:900}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}.number{width:44px;height:44px;display:grid;place-items:center;border-radius:50%;background:#0b71ff;color:#fff;font-weight:900}
.pricing-section{background:#fff}.pricing-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:26px;align-items:stretch}.pricing-card{background:#fff;border:1px solid #e5ebf5;border-radius:28px;overflow:hidden;box-shadow:0 18px 45px rgba(18,35,65,.10);display:flex;flex-direction:column}.pricing-card.featured{border:2px solid #0cbf69;transform:translateY(-6px)}.pricing-image{background:#f3f7ff;padding:24px;display:grid;place-items:center;min-height:260px}.pricing-image img{max-width:100%;max-height:250px;object-fit:contain;border-radius:16px}.pricing-content{padding:28px;text-align:center;display:flex;flex-direction:column;flex:1}.pricing-badge{display:inline-flex;align-self:center;padding:8px 14px;background:#e9fff3;color:#0b7a48;border-radius:999px;font-weight:900;font-size:13px;margin-bottom:14px}.pricing-badge.secondary{background:#eef5ff;color:#0b56b3}.pricing-content h3{margin:0 0 10px;font-size:28px}.pricing-content p{color:#647086;line-height:1.55;margin:0 0 18px}.price{font-size:42px;font-weight:900;color:#0cbf69;margin:10px 0 22px}.price-btn{margin-top:auto}
.highlight{background:linear-gradient(135deg,#0cbf69,#0b71ff);color:#fff}.highlight-grid{display:grid;grid-template-columns:1fr auto;gap:30px;align-items:center}.highlight p,.highlight .mini{color:#eafff5}.highlight-actions{display:flex;flex-direction:column;gap:12px}
.social-proof{padding:40px 0;background:#f8fff9}.social-box{text-align:center;background:#fff;padding:30px;border-radius:20px;box-shadow:0 10px 30px rgba(0,0,0,.06)}.social-box h2{margin:0 0 12px;font-size:28px}.social-box p{font-size:18px;color:#666}
.small-container{max-width:860px}.faq{display:grid;gap:14px}.faq details{padding:0;overflow:hidden}.faq summary{padding:22px;cursor:pointer;font-weight:900}.faq p{padding:0 22px 22px;margin:0}
.float-whatsapp{position:fixed;right:18px;bottom:84px;width:58px;height:58px;border-radius:50%;background:#25D366;color:#fff;display:grid;place-items:center;text-decoration:none;font-size:28px;box-shadow:0 12px 28px rgba(37,211,102,.35);z-index:30}.mobile-fixed-btn{display:none}.footer{background:#07111f;color:#fff;padding:34px 0}.footer-grid{display:flex;justify-content:space-between;gap:24px;align-items:center}.footer p{color:#aeb8c8;max-width:520px}.footer a{display:block;color:#73ffb3;text-decoration:none;font-weight:800;margin:8px 0}

/* ajustes mobile */
@media(max-width:900px){
  nav{display:none}
  .hero{padding:42px 0 54px}
  .hero-grid,.tutorial-grid,.highlight-grid{grid-template-columns:1fr;gap:28px}
  .hero-content{text-align:center}
  .lead{font-size:17px;margin-left:auto;margin-right:auto}
  .hero-actions{justify-content:center}
  .trust-list{justify-content:center}
  .cards,.steps{grid-template-columns:repeat(2,1fr)}
  .card-preview{min-height:auto;padding:18px 0 8px;display:block}
  .student-card{width:100%;max-width:360px;margin:0 auto;min-height:220px;padding:24px;transform:none}
  .student-card h3{font-size:32px}
  .floating-box{position:relative;left:auto;right:auto;bottom:auto;max-width:360px;margin:-18px auto 0;padding:16px;text-align:left}
  .notice{margin-top:0}
}

@media(max-width:768px){
  .top-bar{display:none}
  .nav{min-height:66px;padding:10px 0}
  .brand .logo{width:42px;height:42px}
  .brand strong{font-size:18px}
  .brand span{font-size:13px}
  h1{font-size:34px;letter-spacing:-.8px}
  .badge{font-size:13px}
  .trust-list span{font-size:14px;padding:9px 12px}
  .section{padding:52px 0}
  .section-title{margin-bottom:26px}
  .section-title h2,.highlight h2{font-size:30px}
  .section-title p,.highlight p{font-size:16px}
  .cards,.steps,.pricing-grid{grid-template-columns:1fr}
  .pricing-card.featured{transform:none}
  .pricing-image{min-height:210px;padding:18px}
  .pricing-image img{max-height:220px}
  .price{font-size:36px}
  .video-card{padding:10px;border-radius:18px}
  .float-whatsapp{width:54px;height:54px;right:14px;bottom:76px}
  .mobile-fixed-btn{display:flex;position:fixed;bottom:0;left:0;right:0;height:60px;background:#0cbf69;color:#fff;font-weight:900;text-decoration:none;align-items:center;justify-content:center;z-index:9999;box-shadow:0 -6px 20px rgba(0,0,0,.15)}
  body{padding-bottom:65px}
}

@media(max-width:560px){
  .container{width:91%}
  .footer-grid{flex-direction:column;align-items:flex-start}
  .nav .btn-small{display:none}
  .hero{padding:32px 0 42px}
  .hero-actions{flex-direction:column}
  .btn{width:100%;min-height:52px}
  .student-card{max-width:320px;min-height:205px;border-radius:24px}
  .student-card h3{font-size:29px}
  .student-card p{font-size:10px}
  .card-chip{width:54px;height:38px;margin-bottom:20px}
  .card-line{margin:28px 0 16px}
  .floating-box{max-width:300px;margin:-14px auto 0;border-radius:18px;font-size:14px}
  .attention-box{font-size:16px;padding:16px}
  .info-card,.step,.faq details{padding:20px}
  .pricing-content{padding:22px}
}