:root {
  --bg: #061423;
  --bg-soft: #0a1d33;
  --surface: rgba(255,255,255,0.05);
  --surface-strong: rgba(255,255,255,0.09);
  --text: #f5f9ff;
  --muted: #b8c9de;
  --primary: #5ea8ff;
  --primary-deep: #2563c9;
  --accent: #8ed0ff;
  --border: rgba(255,255,255,0.12);
  --shadow: 0 20px 60px rgba(0,0,0,0.35);
  --radius: 24px;
  --container: min(1180px, calc(100% - 32px));
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: 'Inter', sans-serif;
  background:
    radial-gradient(circle at top left, rgba(94,168,255,0.17), transparent 30%),
    radial-gradient(circle at 85% 15%, rgba(45,117,214,0.16), transparent 28%),
    radial-gradient(circle at bottom right, rgba(142,208,255,0.12), transparent 20%),
    var(--bg);
  color: var(--text);
}
a { color: inherit; text-decoration: none; }
button { font: inherit; }
img { max-width: 100%; display: block; }
.container { width: var(--container); margin: 0 auto; }
.section-dark { background: rgba(255,255,255,0.03); border-block: 1px solid rgba(255,255,255,0.06); }
.ambient-glow {
  position: fixed;
  inset: auto;
  width: 320px; height: 320px; border-radius: 50%; filter: blur(70px); z-index: -1; opacity: .55;
}
.ambient-glow-1 { top: 0; left: -80px; background: rgba(94,168,255,.22); }
.ambient-glow-2 { bottom: 10%; right: -60px; background: rgba(142,208,255,.14); }

.header { padding: 18px 0 36px; }
.navbar {
  display: flex; align-items: center; justify-content: space-between; gap: 20px;
  padding: 16px 18px; position: sticky; top: 16px; z-index: 40;
  background: rgba(6, 20, 35, 0.82); backdrop-filter: blur(16px);
  border: 1px solid var(--border); border-radius: 22px; box-shadow: var(--shadow);
}
.brand { display: flex; gap: 14px; align-items: center; }
.brand__logo { width: 56px; height: 56px; object-fit: cover; border-radius: 16px; border: 1px solid var(--border); }
.brand__name { display: block; font-weight: 800; letter-spacing: .02em; }
.brand__tag { display: block; color: var(--muted); font-size: .9rem; }
.nav-menu { display: flex; align-items: center; gap: 20px; }
.nav-menu a { color: var(--muted); transition: .25s ease; }
.nav-menu a:hover, .nav-menu a.active { color: var(--text); }
.nav-cta { padding: 12px 18px; border-radius: 999px; background: rgba(94,168,255,.15); color: var(--text) !important; border: 1px solid rgba(94,168,255,.35); }
.nav-toggle { display: none; width: 48px; height: 48px; border-radius: 14px; border: 1px solid var(--border); background: transparent; color: white; }
.nav-toggle span { display: block; width: 20px; height: 2px; background: white; margin: 5px auto; }

.hero {
  display: grid; grid-template-columns: 1.1fr .9fr; gap: 40px; align-items: center;
  min-height: calc(100vh - 160px); padding: 60px 0;
}
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 14px; border-radius: 999px; border: 1px solid rgba(94,168,255,.35);
  background: rgba(94,168,255,.08); color: var(--accent); font-size: .88rem; margin-bottom: 18px;
}
.hero h1, .section-heading h2, .about h2, .contact h2 { margin: 0 0 18px; line-height: 1.02; }
.hero h1 { font-size: clamp(2.9rem, 6vw, 5.6rem); max-width: 11ch; }
.hero__brand-highlight {
  display: inline-block;
  color: #ffffff;
  font-size: 1.08em;
  letter-spacing: .06em;
  text-shadow: 0 0 26px rgba(94,168,255,.22);
}
.hero p, .section-heading p, .about p, .contact p, .info-card p, .contact-card span { color: var(--muted); line-height: 1.8; }
.hero__actions { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 28px; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 15px 22px; border-radius: 999px; font-weight: 700; transition: .3s ease;
  border: 1px solid transparent;
}
.btn--primary { background: linear-gradient(135deg, var(--primary), var(--accent)); color: #061423; box-shadow: 0 10px 30px rgba(94,168,255,.22); }
.btn--primary:hover { transform: translateY(-2px); }
.btn--ghost { border-color: var(--border); background: rgba(255,255,255,.03); }
.btn--ghost:hover { background: rgba(255,255,255,.08); }
.hero__stats { margin-top: 34px; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.hero__stats article, .info-card, .about__panel, .contact-card, .modal__dialog, .hero-card, .navbar {
  backdrop-filter: blur(12px);
}
.hero__stats article {
  padding: 18px; border-radius: 20px; background: rgba(255,255,255,.05); border: 1px solid var(--border);
}
.hero__stats strong { font-size: 2rem; display: block; margin-bottom: 6px; }
.hero__stats span { color: var(--muted); }
.hero__visual { position: relative; }
.hero-card--main {
  overflow: hidden; border-radius: 34px; border: 1px solid rgba(255,255,255,.12); box-shadow: var(--shadow);
  transform: rotate(0deg); background: linear-gradient(180deg, rgba(10,29,51,.9), rgba(6,20,35,.95));
  min-height: 620px;
}
.hero-card--main img { width: 100%; height: 620px; object-fit: cover; }
.hero-card--placeholder { display: flex; align-items: stretch; }
.hero-placeholder {
  width: 100%; min-height: 620px; padding: 42px; display: flex; flex-direction: column; justify-content: flex-end;
  background:
    linear-gradient(160deg, rgba(94,168,255,0.12), rgba(94,168,255,0.02) 45%),
    radial-gradient(circle at top right, rgba(142,208,255,0.16), transparent 28%),
    radial-gradient(circle at bottom left, rgba(45,117,214,0.25), transparent 24%);
}
.hero-placeholder__tag {
  display: inline-flex; width: fit-content; padding: 8px 14px; border-radius: 999px; margin-bottom: 18px;
  border: 1px solid rgba(94,168,255,.28); background: rgba(94,168,255,.08); color: var(--accent);
}
.hero-placeholder strong { font-size: clamp(1.6rem, 2.8vw, 2.6rem); margin-bottom: 12px; }
.hero-placeholder p { max-width: 30rem; margin: 0; color: var(--muted); }

section { padding: 90px 0; }
.section-heading { max-width: 760px; margin-bottom: 34px; }
.section-heading h2 { font-size: clamp(2rem, 4vw, 3.6rem); }
.services__grid, .courses__grid, .contact__cards { display: grid; gap: 22px; }
.services__grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.info-card, .about__panel, .contact-card {
  background: rgba(255,255,255,.045); border: 1px solid var(--border); border-radius: var(--radius); padding: 28px;
  transition: transform .28s ease, border-color .28s ease, background .28s ease, box-shadow .28s ease;
}
.info-card:hover, .contact-card:hover, .course-card:hover, .gallery__item:hover, .about__panel:hover {
  transform: translateY(-8px); border-color: rgba(94,168,255,.48); box-shadow: 0 18px 35px rgba(0,0,0,.18);
}
.info-card h3 { margin-top: 0; font-size: 1.25rem; }

.courses__grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.course-card {
  position: relative; overflow: hidden; border-radius: 28px; border: 1px solid var(--border);
  background: rgba(255,255,255,.05); cursor: pointer; transition: transform .28s ease, box-shadow .28s ease, border-color .28s ease;
}
.course-card__image { aspect-ratio: 4 / 4.6; overflow: hidden; }
.course-card__image img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s ease; }
.course-card:hover .course-card__image img { transform: scale(1.08); }
.course-card__content { padding: 20px; }
.course-card__pill {
  display: inline-block; padding: 7px 12px; border-radius: 999px; font-size: .8rem; color: var(--accent);
  background: rgba(94,168,255,.08); border: 1px solid rgba(94,168,255,.25); margin-bottom: 12px;
}
.course-card h3 { margin: 0 0 10px; font-size: 1.15rem; }
.course-card p { margin: 0; color: var(--muted); line-height: 1.7; }
.course-card__action { margin-top: 18px; display: inline-flex; align-items: center; gap: 8px; color: var(--text); font-weight: 700; }

.about { display: grid; grid-template-columns: 1.1fr .9fr; gap: 30px; align-items: center; }
.about__list { display: grid; gap: 14px; margin-top: 28px; }
.about__item {
  padding: 18px 20px; border: 1px solid var(--border); border-radius: 18px; background: rgba(255,255,255,.04);
}
.about__badge {
  display: inline-flex; padding: 8px 14px; border-radius: 999px; background: rgba(94,168,255,.1); color: var(--accent);
  border: 1px solid rgba(94,168,255,.22); margin-bottom: 20px;
}

.gallery__grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; }
.gallery__item {
  appearance: none; border: 1px solid var(--border); background: rgba(255,255,255,.04); border-radius: 24px; overflow: hidden; padding: 0; cursor: pointer;
  transition: transform .28s ease, box-shadow .28s ease, border-color .28s ease;
}
.gallery__item img { width: 100%; height: 290px; object-fit: cover; }

.contact__wrapper {
  display: grid; grid-template-columns: .9fr 1.1fr; gap: 28px; align-items: center;
}
.contact__cards { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.contact-card strong { display: block; font-size: 1.1rem; margin-top: 10px; }

.footer { padding: 24px 0 44px; }
.footer__content {
  display: flex; justify-content: space-between; gap: 18px; align-items: center; color: var(--muted);
  border-top: 1px solid rgba(255,255,255,.08); padding-top: 22px;
}
.footer__content div { display: flex; gap: 18px; flex-wrap: wrap; }

.floating-socials {
  position: fixed; right: 18px; bottom: 18px; display: grid; gap: 10px; z-index: 45;
}
.floating-socials a {
  width: 52px; height: 52px; border-radius: 16px; display: grid; place-items: center; font-weight: 800;
  background: rgba(6,20,35,.92); color: var(--text); border: 1px solid var(--border); box-shadow: var(--shadow);
}
.floating-socials a:hover { transform: translateY(-4px); border-color: rgba(94,168,255,.48); }

.modal, .lightbox {
  position: fixed; inset: 0; display: none; place-items: center; padding: 20px; z-index: 80;
}
.modal {
  overflow-y: auto;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
}
.modal.is-open, .lightbox.is-open { display: grid; }
.modal__backdrop, .lightbox__backdrop {
  position: absolute; inset: 0; border: 0; background: rgba(0,0,0,.68); cursor: pointer;
}
.modal__dialog, .lightbox__content {
  position: relative; z-index: 1; width: min(980px, 100%); border: 1px solid var(--border); border-radius: 30px;
  overflow: hidden; background: #0a1d33; box-shadow: var(--shadow);
}
.modal__dialog {
  display: grid; grid-template-columns: .9fr 1.1fr;
  max-height: calc(100vh - 40px);
}
.modal__image-wrap img { width: 100%; height: 100%; object-fit: cover; min-height: 100%; }
.modal__content {
  padding: 34px;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}
.modal__content h3 { font-size: clamp(1.6rem, 3vw, 2.5rem); margin: 0 0 16px; }
.modal__content p { color: var(--muted); line-height: 1.8; }
.modal__content ul { margin: 22px 0 28px; padding-left: 20px; color: var(--text); }
.modal__content li { margin-bottom: 12px; }
.modal__close, .lightbox__close {
  position: absolute; top: 14px; right: 14px; width: 44px; height: 44px; border: 0; border-radius: 50%; cursor: pointer;
  background: rgba(255,255,255,.12); color: white; font-size: 1.6rem; z-index: 2;
}
.lightbox__content { width: min(900px, 100%); padding: 16px; }
.lightbox__content img { width: 100%; max-height: 82vh; object-fit: contain; border-radius: 20px; }

.reveal {
  opacity: 0; transform: translateY(28px); transition: opacity .7s ease, transform .7s ease;
}
.reveal.is-visible { opacity: 1; transform: translateY(0); }
.reveal-delay { transition-delay: .12s; }
.reveal-delay-1 { transition-delay: .1s; }
.reveal-delay-2 { transition-delay: .2s; }

@media (max-width: 1080px) {
  .hero, .about, .contact__wrapper, .modal__dialog { grid-template-columns: 1fr; }
  .hero__visual { order: -1; }
  .hero-card--main img, .hero-card--main, .hero-placeholder { min-height: 460px; height: 460px; }
  .services__grid, .courses__grid, .gallery__grid, .contact__cards { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 760px) {
  section { padding: 72px 0; }
  .navbar { top: 10px; }
  .nav-toggle { display: block; }
  .nav-menu {
    position: absolute; top: calc(100% + 10px); left: 0; right: 0; flex-direction: column; align-items: stretch;
    background: rgba(6,20,35,.96); padding: 16px; border-radius: 20px; border: 1px solid var(--border); display: none;
  }
  .nav-menu.is-open { display: flex; }
  .hero { min-height: auto; padding: 34px 0 18px; }
  .hero h1 { max-width: 100%; }
  .hero__stats, .services__grid, .courses__grid, .gallery__grid, .contact__cards { grid-template-columns: 1fr; }
  .gallery__item img { height: 240px; }
  .floating-socials { right: 12px; bottom: 12px; }
  .floating-socials a { width: 48px; height: 48px; border-radius: 14px; }
  .footer__content { flex-direction: column; align-items: flex-start; }
  .modal__content { padding: 24px; }
  .hero-placeholder { padding: 28px; }
}


.hero-card--logo {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 30px;
  background:
    radial-gradient(circle at top, rgba(46, 116, 255, .16), transparent 55%),
    linear-gradient(180deg, rgba(8, 27, 59, .9), rgba(5, 18, 40, .98));
}

.hero-logo-image {
  width: min(560px, 100%);
  max-height: 520px;
  object-fit: contain;
  filter: drop-shadow(0 18px 40px rgba(0, 0, 0, .28));
}

.modal__benefits {
  display: grid;
  gap: 12px;
  margin: 18px 0 26px;
}

.modal__benefit {
  padding: 14px 16px;
  border-radius: 16px;
  background: rgba(255, 255, 255, .05);
  border: 1px solid rgba(255, 255, 255, .08);
  color: var(--text);
  line-height: 1.5;
}

@media (max-width: 760px) {
  .hero-card--logo { padding: 18px; }
  .hero-logo-image {
    width: min(400px, 90%);
    max-height: 340px;
    margin: 0 auto;
  }
  .modal {
    padding: 12px;
    align-items: flex-start;
  }
  .modal__dialog {
    width: 100%;
    max-height: none;
    margin: 12px 0 24px;
    border-radius: 24px;
  }
  .modal__image-wrap img {
    height: 260px;
    min-height: 260px;
  }
  .modal__content {
    max-height: none;
    overflow: visible;
    padding: 22px;
  }
}


/* Ajustes reales para móvil */
@media (max-width: 760px) {
  .hero-card--main.hero-card--logo {
    min-height: 320px;
    height: 320px;
    padding: 14px;
  }

  .hero-card--logo .hero-logo-image {
    width: 90%;
    max-width: 400px;
    height: auto;
    max-height: 340px;
    object-fit: contain;
    margin: 0 auto;
  }

  .modal.is-open {
    display: flex;
    align-items: flex-start;
    justify-content: center;
  }

  .modal {
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
  }

  .modal__dialog {
    display: block;
    width: 100%;
    max-height: none;
    overflow: visible;
    margin: 10px 0 28px;
  }

  .modal__image-wrap img {
    height: 220px;
    min-height: 220px;
  }

  .modal__content {
    overflow: visible;
    max-height: none;
    -webkit-overflow-scrolling: touch;
  }
}


.partners {
  padding-top: 0;
}

.partners__heading {
  max-width: 100%;
  margin-bottom: 22px;
}

.partners__heading h2 {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
}

.partners__marquee {
  position: relative;
  overflow: hidden;
  padding: 10px 0;
  mask-image: linear-gradient(to right, transparent 0, black 8%, black 92%, transparent 100%);
  -webkit-mask-image: linear-gradient(to right, transparent 0, black 8%, black 92%, transparent 100%);
}

.partners__track {
  display: flex;
  align-items: center;
  gap: 18px;
  width: max-content;
  animation: partners-scroll 34s linear infinite;
}

.partners__marquee:hover .partners__track {
  animation-play-state: paused;
}

.partner-logo {
  flex: 0 0 260px;
  height: 150px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 18px;
  border-radius: 22px;
  background: rgba(255,255,255,.06);
  border: 1px solid var(--border);
  backdrop-filter: blur(12px);
}

.partner-logo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  filter: grayscale(1);
  opacity: .9;
  transition: filter .28s ease, opacity .28s ease, transform .28s ease;
}

.partner-logo:hover img {
  filter: grayscale(0);
  opacity: 1;
  transform: scale(1.04);
}

@keyframes partners-scroll {
  from { transform: translateX(0); }
  to { transform: translateX(calc(-50% - 9px)); }
}

@media (max-width: 760px) {
  .partners {
    padding-top: 0;
  }

  .partner-logo {
    flex-basis: 150px;
    height: 92px;
    padding: 14px;
    border-radius: 18px;
  }

  .partners__track {
    gap: 14px;
    animation-duration: 26s;
  }
}