:root{
  --red:#C8102E;
  --gold:#FFB81C;
  --ink:#111111;
  --cream:#FAF7F2;
  --gray:#6B6B6B;
  --border:#EAE4DA;
  --radius:16px;
  --maxw:1180px;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'Inter',sans-serif;
  color:var(--ink);
  background:var(--cream);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3{font-family:'Poppins',sans-serif;font-weight:700;line-height:1.15;letter-spacing:-0.02em}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}

/* language visibility */
body.lang-en .lang-es{display:none}
body:not(.lang-en) .lang-en{display:none}

/* ===== Buttons ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:999px;font-weight:600;font-size:0.95rem;
  border:2px solid transparent;cursor:pointer;transition:transform .15s ease, background .2s ease, color .2s ease;
  white-space:nowrap;
}
.btn:hover{transform:translateY(-2px)}
.btn-primary{background:var(--red);color:#fff}
.btn-primary:hover{background:#a70d25}
.btn-ghost{background:rgba(255,255,255,0.12);color:#fff;border-color:rgba(255,255,255,0.6);backdrop-filter:blur(4px)}
.btn-ghost:hover{background:#fff;color:var(--ink)}
.btn-outline{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn-outline:hover{background:var(--ink);color:#fff}
.btn-small{padding:10px 20px;font-size:0.85rem}

/* ===== Header ===== */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(250,247,242,0.9);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:78px;gap:24px}
.logo{display:flex;align-items:center;gap:10px;font-family:'Poppins',sans-serif}
.logo-text{font-size:1.05rem;font-weight:600;color:var(--ink)}
.logo-text strong{color:var(--red)}
.main-nav{display:flex;gap:28px;font-weight:500;font-size:0.95rem}
.main-nav a{opacity:0.85;transition:opacity .2s}
.main-nav a:hover{opacity:1;color:var(--red)}
.header-actions{display:flex;align-items:center;gap:14px}
.lang-toggle{
  display:flex;align-items:center;gap:6px;background:none;border:1px solid var(--border);
  border-radius:999px;padding:6px 12px;cursor:pointer;font-family:'Inter',sans-serif;font-weight:600;font-size:0.82rem;
}
.lang-opt{opacity:0.45;padding:2px}
.lang-opt.is-active{opacity:1;color:var(--red)}
.lang-sep{opacity:0.3}
.burger{display:none;flex-direction:column;gap:4px;background:none;border:none;cursor:pointer;padding:6px}
.burger span{width:22px;height:2px;background:var(--ink)}

/* ===== Hero ===== */
.hero{position:relative;min-height:92vh;display:flex;align-items:center;overflow:hidden;color:#fff}
.hero-video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0}
.hero-overlay{
  position:absolute;inset:0;z-index:1;
  background:linear-gradient(180deg, rgba(17,17,17,0.55) 0%, rgba(17,17,17,0.72) 55%, rgba(17,17,17,0.92) 100%);
}
.hero-content{position:relative;z-index:2;max-width:760px;padding-top:60px;padding-bottom:60px}
.eyebrow{
  display:inline-block;text-transform:uppercase;letter-spacing:0.14em;font-size:0.78rem;font-weight:600;
  color:var(--gold);margin-bottom:18px;
}
.hero h1{font-size:clamp(2.2rem,4.8vw,3.6rem);margin-bottom:20px}
.hero-sub{font-size:1.1rem;color:rgba(255,255,255,0.85);max-width:600px;margin-bottom:32px}
.hero-cta{display:flex;gap:16px;flex-wrap:wrap}

/* ===== Stats ===== */
.stats{background:var(--ink);color:#fff;padding:42px 0}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center}
.stat{display:flex;flex-direction:column;gap:4px}
.stat-num{font-family:'Poppins',sans-serif;font-size:2rem;font-weight:800;color:var(--gold)}
.stat span:not(.stat-num){font-size:0.9rem;color:rgba(255,255,255,0.75)}

/* ===== Sections ===== */
.section{padding:96px 0}
.section-alt{background:#F1EAE0}
.section-tag{
  display:inline-block;text-transform:uppercase;letter-spacing:0.12em;font-size:0.78rem;font-weight:700;
  color:var(--red);margin-bottom:14px;
}
.section h2{font-size:clamp(1.8rem,3.2vw,2.6rem);max-width:640px;margin-bottom:48px}
.section-lead{font-size:1.05rem;color:var(--gray);max-width:720px;margin-top:-28px;margin-bottom:40px}
.section-lead a{color:var(--red);font-weight:600;text-decoration:underline}
.link-inverse{color:var(--gold);font-weight:600;text-decoration:underline}

/* ===== Acreditación ===== */
.accred-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-bottom:40px}
.accred-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:28px 24px;
  display:flex;flex-direction:column;gap:10px;
}
.accred-icon{
  width:48px;height:48px;border-radius:50%;background:#FDECC8;display:flex;align-items:center;justify-content:center;
  font-size:1.4rem;margin-bottom:6px;
}
.accred-card h3{font-size:1.02rem}
.accred-card p{font-size:0.9rem;color:var(--gray)}
.accred-cta{margin-top:8px}
.footer-partner{font-size:0.85rem;margin-top:14px;color:rgba(255,255,255,0.6)}
.footer-partner a{color:var(--gold);text-decoration:underline}

/* ===== Cards / Cursos ===== */
.cards-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.card{
  background:#fff;border-radius:var(--radius);overflow:hidden;border:1px solid var(--border);
  transition:transform .2s ease, box-shadow .2s ease;
}
.card:hover{transform:translateY(-6px);box-shadow:0 20px 40px rgba(17,17,17,0.08)}
.card-img{height:190px;background-size:cover;background-position:center}
.card-body{padding:26px}
.card-duration{
  display:inline-block;background:#FDECC8;color:#8a5a00;font-size:0.75rem;font-weight:700;
  padding:4px 10px;border-radius:999px;margin-bottom:12px;
}
.card-body h3{font-size:1.2rem;margin-bottom:10px}
.card-body p{color:var(--gray);font-size:0.95rem;margin-bottom:16px}
.card-link{font-weight:600;color:var(--red);font-size:0.9rem}

/* ===== Split (Metodología) ===== */
.split{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.split-img{position:relative;border-radius:var(--radius);overflow:hidden}
.split-img img{height:480px;object-fit:cover;width:100%}
.split-img-badge{
  position:absolute;bottom:20px;left:20px;background:#fff;border-radius:12px;padding:16px 20px;
  box-shadow:0 12px 30px rgba(17,17,17,0.15);max-width:220px;
}
.split-img-badge strong{display:block;font-family:'Poppins',sans-serif;font-size:1.6rem;color:var(--red)}
.split-img-badge span{font-size:0.85rem;color:var(--gray)}
.check-list{margin:28px 0;display:flex;flex-direction:column;gap:14px}
.check-list li{position:relative;padding-left:32px;font-size:1rem}
.check-list li::before{
  content:"";position:absolute;left:0;top:2px;width:20px;height:20px;border-radius:50%;
  background:var(--gold);
}
.check-list li::after{
  content:"✓";position:absolute;left:4px;top:1px;color:#5c3d00;font-size:0.75rem;font-weight:700;
}

/* ===== Testimonials ===== */
.testimonial-grid{align-items:stretch}
.testimonial{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:30px;
  display:flex;flex-direction:column;gap:18px;
}
.testimonial p{font-size:1.02rem;color:var(--ink)}
.testimonial footer{font-weight:600;color:var(--red);font-size:0.9rem}

/* ===== Pricing ===== */
.pricing-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;align-items:start}
.price-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:36px 30px;
  position:relative;display:flex;flex-direction:column;gap:18px;
}
.price-card-featured{border-color:var(--red);box-shadow:0 24px 50px rgba(200,16,46,0.14);transform:scale(1.03)}
.badge{
  position:absolute;top:-14px;left:30px;background:var(--red);color:#fff;font-size:0.72rem;font-weight:700;
  padding:6px 14px;border-radius:999px;text-transform:uppercase;letter-spacing:0.06em;
}
.price-card h3{font-size:1.15rem}
.price{display:flex;align-items:baseline;gap:6px}
.price span{font-family:'Poppins',sans-serif;font-size:2.2rem;font-weight:800}
.price small{color:var(--gray)}
.price-card ul{display:flex;flex-direction:column;gap:10px;flex:1}
.price-card ul li{font-size:0.92rem;padding-left:22px;position:relative;color:var(--gray)}
.price-card ul li::before{content:"—";position:absolute;left:0;color:var(--red)}

/* ===== Contact ===== */
.contact-wrap{display:grid;grid-template-columns:0.8fr 1.2fr;gap:64px}
.contact-intro p{color:var(--gray);margin-top:14px;max-width:340px}
.contact-form{display:flex;flex-direction:column;gap:16px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.contact-form label{display:flex;flex-direction:column;gap:6px;font-size:0.85rem;font-weight:600;color:var(--ink)}
.contact-form input,.contact-form select,.contact-form textarea{
  font-family:'Inter',sans-serif;font-size:0.95rem;padding:12px 14px;border-radius:10px;
  border:1px solid var(--border);background:#fff;font-weight:400;color:var(--ink);
}
.contact-form input:focus,.contact-form select:focus,.contact-form textarea:focus{outline:2px solid var(--gold)}
.contact-form button{align-self:flex-start;margin-top:6px}

/* ===== Footer ===== */
.site-footer{background:var(--ink);color:rgba(255,255,255,0.85);padding:64px 0 32px}
.footer-inner{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:40px}
.footer-brand p{margin-top:12px;font-size:0.9rem;color:rgba(255,255,255,0.6);max-width:280px}
.footer-nav{display:flex;flex-direction:column;gap:10px;font-size:0.9rem}
.footer-contact{display:flex;flex-direction:column;gap:10px;font-size:0.9rem}
.footer-contact a{color:var(--gold);font-weight:600}
.footer-contact p{color:rgba(255,255,255,0.5)}
.credit{font-size:0.78rem;margin-top:6px}
.credit a{color:rgba(255,255,255,0.7);text-decoration:underline}

/* ===== Responsive ===== */
@media (max-width:960px){
  .main-nav{display:none}
  .burger{display:flex}
  .cards-grid{grid-template-columns:1fr}
  .accred-grid{grid-template-columns:1fr 1fr}
  .split{grid-template-columns:1fr}
  .split-img img{height:340px}
  .pricing-grid{grid-template-columns:1fr}
  .price-card-featured{transform:none}
  .contact-wrap{grid-template-columns:1fr}
  .footer-inner{grid-template-columns:1fr;gap:28px}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .form-row{grid-template-columns:1fr}
  .main-nav.is-open{
    display:flex;flex-direction:column;position:absolute;top:78px;left:0;right:0;
    background:var(--cream);padding:20px 24px;gap:18px;border-bottom:1px solid var(--border);
    box-shadow:0 12px 24px rgba(0,0,0,0.06);
  }
}