@import url('https://fonts.googleapis.com/css2?family=Abril+Fatface&family=Open+Sans:wght@400;600;700&display=swap');

:root {
  --ene-red: #c50c1f;
  --ene-red-dark: #a10200;
  --ene-gold: #fcc31a;
  --ink: #292929;
  --muted: #666;
  --line: #e4e4e4;
  --paper: #fff;
  --soft: #f5f5f5;
  --footer: #3a3a3a;
  --max: 1200px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: #efefef;
  font-family: 'Open Sans', Arial, sans-serif;
  font-size: 16px;
  line-height: 1.7;
}
a { color: var(--ene-red); }
a:hover { color: var(--ene-red-dark); }
img { max-width: 100%; height: auto; }
.screen-reader-text { position: absolute; left: -10000px; }
.top-band { height: 34px; max-width: var(--max); margin: 0 auto; background: var(--ene-gold); }
.site-header { max-width: var(--max); margin: 0 auto; background: #fff; }
.header-inner {
  min-height: 145px;
  padding: 20px 36px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 36px;
}
.brand img { display: block; width: 330px; max-height: 115px; object-fit: contain; object-position: left center; }
.contact-strip { text-align: right; font-size: 14px; line-height: 1.8; }
.contact-strip strong { font-weight: 700; }
.contact-strip a { color: #333; text-decoration: none; }
.contact-strip a:hover { color: var(--ene-red); }
.main-nav { position: sticky; top: 0; z-index: 50; background: var(--ene-red); box-shadow: 0 2px 10px rgba(0,0,0,.12); }
.nav-inner { max-width: var(--max); margin: 0 auto; display: flex; align-items: stretch; }
.nav-links { display: flex; align-items: stretch; list-style: none; margin: 0; padding: 0; }
.nav-links a { display: block; padding: 17px 25px; color: #fff; text-decoration: none; font-weight: 600; }
.nav-links a:hover, .nav-links a[aria-current='page'] { background: var(--ene-red-dark); color: var(--ene-gold); }
.menu-toggle { display: none; margin-left: auto; padding: 14px 20px; border: 0; color: #fff; background: transparent; font: inherit; font-weight: 700; cursor: pointer; }
.page-shell { max-width: var(--max); margin: 0 auto; background: var(--paper); min-height: 54vh; }
.hero { position: relative; height: 400px; overflow: hidden; background: #222; }
.slide { position: absolute; inset: 0; opacity: 0; transition: opacity .7s ease; }
.slide.active { opacity: 1; }
.slide img { width: 100%; height: 100%; object-fit: cover; }
.hero::after { content: ''; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(0,0,0,.26), transparent 55%); pointer-events: none; }
.hero-mark { position: absolute; z-index: 2; left: 42px; bottom: 34px; width: min(520px, calc(100% - 84px)); color: #fff; text-shadow: 0 2px 10px rgba(0,0,0,.5); }
.hero-mark h1 { margin: 0 0 4px; color: var(--ene-gold); font-family: 'Abril Fatface', Georgia, serif; font-size: clamp(30px, 4vw, 54px); line-height: 1.08; font-weight: 400; }
.hero-mark p { margin: 0; font-size: 17px; font-weight: 600; }
.hero-dots { position: absolute; z-index: 3; right: 24px; bottom: 20px; display: flex; gap: 9px; }
.hero-dot { width: 11px; height: 11px; border: 2px solid #fff; border-radius: 50%; background: transparent; cursor: pointer; }
.hero-dot.active { background: var(--ene-gold); border-color: var(--ene-gold); }
.content { padding: 54px 48px 68px; }
.content.narrow { max-width: 920px; margin: 0 auto; }
.eyebrow { margin: 0 0 9px; color: var(--ene-red); font-size: 13px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; }
h1, h2, h3 { color: #222; line-height: 1.25; }
.page-title, .section-title { font-family: 'Abril Fatface', Georgia, serif; font-weight: 400; }
.page-title { margin: 0 0 28px; font-size: clamp(34px, 5vw, 54px); }
.section-title { margin: 0 0 28px; text-align: center; font-size: clamp(30px, 4vw, 44px); }
.intro { max-width: 850px; margin: 0 auto 45px; text-align: center; font-size: 18px; }
.accent-rule { width: 70px; height: 4px; margin: 16px auto 26px; background: var(--ene-gold); }
.cards { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 28px; }
.promo-card { overflow: hidden; border: 1px solid var(--line); background: #fff; box-shadow: 0 7px 24px rgba(0,0,0,.07); }
.promo-card img { width: 100%; aspect-ratio: 1; object-fit: cover; display: block; }
.promo-card-body { padding: 25px; text-align: center; }
.promo-card h2 { margin: 0 0 9px; font-family: 'Abril Fatface', Georgia, serif; font-size: 28px; font-weight: 400; }
.promo-card p { margin: 0 0 20px; color: var(--muted); }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 46px; padding: 10px 22px; border: 2px solid var(--ene-red); background: var(--ene-red); color: #fff !important; text-decoration: none; font-weight: 700; text-transform: uppercase; letter-spacing: .025em; cursor: pointer; }
.button:hover { border-color: var(--ene-red-dark); background: var(--ene-red-dark); }
.button.secondary { border-color: var(--ene-gold); background: var(--ene-gold); color: #222 !important; }
.cta-band { margin-top: 58px; padding: 38px; background: var(--ene-red); color: #fff; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.cta-band h2 { margin: 0 0 5px; color: #fff; font-family: 'Abril Fatface', Georgia, serif; font-size: 32px; font-weight: 400; }
.cta-band p { margin: 0; }
.breadcrumbs { margin-bottom: 18px; color: #777; font-size: 14px; }
.breadcrumbs a { color: #555; }
.formation-groups { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 28px; }
.formation-group { border-top: 5px solid var(--ene-gold); padding: 26px; background: var(--soft); }
.formation-group h2 { margin-top: 0; color: var(--ene-red); font-size: 23px; }
.formation-group ul { margin: 0; padding-left: 20px; }
.formation-group li { margin: 10px 0; }
.formation-group a { color: #292929; font-weight: 600; text-decoration-color: var(--ene-gold); text-decoration-thickness: 2px; text-underline-offset: 4px; }
.formation-group a:hover { color: var(--ene-red); }
.course-note { margin: 0 0 30px; padding: 18px 22px; border-left: 5px solid var(--ene-gold); background: #fff9df; }
.source-content h2, .source-content h3 { margin-top: 34px; color: var(--ene-red); }
.source-content p { margin: 0 0 18px; }
.source-content ul, .source-content ol { margin-bottom: 22px; }
.source-content img { display: block; margin: 28px auto; max-height: 580px; object-fit: contain; }
.source-content table { display: block; width: 100%; overflow-x: auto; border-collapse: collapse; }
.source-content td, .source-content th { padding: 10px; border: 1px solid #ccc; }
.source-content a[href*='/producto/'] { display: inline-flex; margin: 20px 0; padding: 11px 22px; background: var(--ene-red); color: #fff; font-weight: 700; text-decoration: none; }
.source-content li.document-link {
  position: relative;
  margin: 12px 0;
  padding: 18px 20px 18px 54px;
  border: 1px solid var(--line);
  border-left: 5px solid var(--ene-gold);
  background: #fff;
  list-style: none;
  cursor: pointer;
  transition: border-color .2s ease, box-shadow .2s ease, transform .2s ease;
}
.source-content li.document-link::before {
  content: '↓';
  position: absolute;
  left: 20px;
  top: 17px;
  color: var(--ene-red);
  font-size: 22px;
  font-weight: 700;
}
.source-content li.document-link:hover,
.source-content li.document-link:focus-visible {
  border-color: var(--ene-red);
  box-shadow: 0 6px 18px rgba(0,0,0,.08);
  transform: translateY(-1px);
  outline: none;
}
.source-content li.document-link h3 { margin: 0 0 4px; color: var(--ene-red); }
.source-content li.document-link p { margin: 0; }
.course-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 38px; padding-top: 28px; border-top: 1px solid var(--line); }
.centers-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 28px; }
.center-card { display: flex; flex-direction: column; border: 1px solid var(--line); background: #fff; text-align: center; box-shadow: 0 5px 18px rgba(0,0,0,.06); }
.center-card-media { min-height: 190px; padding: 24px; display: grid; place-items: center; background: #fafafa; }
.center-card img { max-height: 145px; object-fit: contain; }
.center-card-body { padding: 23px; }
.center-card h2 { margin: 0 0 10px; font-size: 20px; }
.center-card p { margin: 0; color: var(--muted); }
.contact-layout { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(280px, .75fr); gap: 38px; }
.contact-form { padding: 32px; background: var(--ene-red); color: #fff; }
.contact-form h2 { margin-top: 0; color: #fff; }
.field { margin-bottom: 16px; }
.field label { display: block; margin-bottom: 5px; font-weight: 700; }
.field input, .field textarea { width: 100%; min-height: 46px; padding: 10px 12px; border: 1px solid rgba(255,255,255,.65); background: #fff; color: #222; font: inherit; }
.field textarea { min-height: 145px; resize: vertical; }
.privacy-check { display: flex; align-items: flex-start; gap: 10px; font-size: 14px; }
.privacy-check input { margin-top: 6px; }
.privacy-check a { color: #fff; }
.contact-form .button { border-color: var(--ene-gold); background: var(--ene-gold); color: #222 !important; }
.contact-card { padding: 30px; border-top: 5px solid var(--ene-gold); background: var(--soft); }
.contact-card h2 { margin-top: 0; }
.contact-card a { overflow-wrap: anywhere; }
.socials { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }
.socials a { padding: 7px 12px; border: 1px solid #bbb; color: #333; text-decoration: none; font-size: 14px; }
.legal-content { font-size: 15px; }
.legal-content h2 { margin-top: 34px; font-size: 24px; color: var(--ene-red); }
.site-footer { max-width: var(--max); margin: 0 auto; padding: 43px 38px 28px; background: var(--footer); color: #fff; }
.footer-top { display: flex; justify-content: space-between; gap: 35px; align-items: center; }
.footer-logo { width: 250px; filter: brightness(0) invert(1); opacity: .95; }
.footer-contact { text-align: right; }
.footer-contact a { color: #fff; }
.footer-bottom { margin-top: 30px; padding-top: 20px; border-top: 1px solid rgba(255,255,255,.18); display: flex; justify-content: space-between; gap: 18px; color: #ddd; font-size: 13px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 14px; }
.footer-links a { color: #fff; }
.cookie-banner { position: fixed; z-index: 100; left: 20px; right: 20px; bottom: 20px; max-width: 760px; margin: 0 auto; padding: 20px; background: #222; color: #fff; box-shadow: 0 8px 32px rgba(0,0,0,.3); }
.cookie-banner[hidden] { display: none; }
.cookie-banner p { margin: 0 0 14px; font-size: 14px; }
.cookie-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.cookie-actions button, .cookie-actions a { padding: 8px 14px; border: 1px solid #fff; background: transparent; color: #fff; font: inherit; font-size: 14px; cursor: pointer; text-decoration: none; }
.cookie-actions .accept { border-color: var(--ene-gold); background: var(--ene-gold); color: #222; }

@media (max-width: 850px) {
  .top-band { height: 16px; }
  .header-inner { min-height: auto; padding: 18px 20px; align-items: flex-start; }
  .brand img { width: 240px; max-height: 90px; }
  .contact-strip { font-size: 12px; }
  .menu-toggle { display: block; }
  .nav-inner { display: block; }
  .nav-links { display: none; flex-direction: column; }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 13px 20px; }
  .hero { height: 300px; }
  .hero-mark { left: 24px; bottom: 28px; width: calc(100% - 48px); }
  .content { padding: 42px 24px 55px; }
  .cards, .centers-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .formation-groups, .contact-layout { grid-template-columns: 1fr; }
  .cta-band { align-items: flex-start; flex-direction: column; }
}

@media (max-width: 560px) {
  .header-inner { flex-direction: column; gap: 8px; }
  .brand img { width: 270px; }
  .contact-strip { text-align: left; }
  .hero { height: 245px; }
  .hero-mark h1 { font-size: 31px; }
  .hero-mark p { font-size: 14px; }
  .cards, .centers-grid { grid-template-columns: 1fr; }
  .content { padding: 34px 18px 46px; }
  .contact-form { padding: 24px 18px; }
  .footer-top, .footer-bottom { flex-direction: column; align-items: flex-start; }
  .footer-contact { text-align: left; }
}