:root{
  --bg: #0b0c0f;
  --surface: #111319;
  --surface-2: #161926;
  --text: #eef0f6;
  --muted: #b9c0d4;
  --border: rgba(255,255,255,.12);
  --shadow: 0 20px 50px rgba(0,0,0,.35);

  --primary: #b12812;
  --primary-2: #ff6148;
  --accent: #f7ed4a;

  --radius: 18px;
  --radius-sm: 12px;

  --container: 1120px;
}

*{ box-sizing:border-box; }
html{
  scroll-behavior:smooth;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  *, *::before, *::after{ transition:none !important; animation:none !important; }
}

body{
  margin:0;
  overflow-x: hidden;
  font-family: "Rubik", system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color: var(--text);
  background:
    radial-gradient(1200px 500px at 80% -10%, rgba(177,40,18,.35), rgba(0,0,0,0)),
    radial-gradient(900px 450px at 20% 10%, rgba(255,97,72,.18), rgba(0,0,0,0)),
    var(--bg);
  line-height:1.55;
}

a{ color: inherit; text-decoration-color: rgba(255,255,255,.35); text-underline-offset: 3px; }
a:hover{ text-decoration-color: rgba(255,255,255,.75); }

.sr-only{
  position:absolute !important;
  width:1px;height:1px;
  padding:0;margin:-1px;
  overflow:hidden;clip:rect(0,0,0,0);
  white-space:nowrap;border:0;
}

.skip-link{
  position:absolute;
  left:12px; top:12px;
  transform: translateY(-140%);
  padding:10px 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  z-index: 9999;
}
.skip-link:focus{ transform: translateY(0); outline: 3px solid rgba(247,237,74,.6); outline-offset: 3px; }

.container{
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 18px;
}

/* Header / Nav */
.site-header{
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(11,12,15,.88);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.header-inner{
  position: relative;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 14px;
  min-height: 70px;
}
.brand img{
  display:block;
  height: 46px;
  width: auto;
}

.site-nav{
  display:flex;
  align-items:center;
  gap: 12px;
}
.site-nav a{
  padding: 10px 10px;
  border-radius: 12px;
  text-decoration: none;
  color: rgba(255,255,255,.88);
  font-weight: 500;
}
.site-nav a:hover{
  background: rgba(255,255,255,.06);
}
.site-nav a.is-active{
  background: linear-gradient(180deg, rgba(177,40,18,1), rgba(108,24,11,1));
  border: 1px solid rgba(255,255,255,.14);
  box-shadow: 0 14px 28px rgba(0,0,0,.25);
}
.site-nav a.is-active:hover{
  background: linear-gradient(180deg, rgba(255,97,72,1), rgba(177,40,18,1));
}

.nav-toggle{
  display:none;
  border: 1px solid rgba(255,255,255,.14);
  background: rgba(255,255,255,.04);
  color: var(--text);
  border-radius: 14px;
  padding: 10px 12px;
}
.nav-toggle:focus-visible{
  outline: 3px solid rgba(247,237,74,.6);
  outline-offset: 3px;
}
.hamburger{
  display:block;
  width: 22px;
  height: 14px;
  position: relative;
}
.hamburger::before,
.hamburger::after{
  content:"";
  position:absolute;
  left:0; right:0;
  height: 2px;
  border-radius: 999px;
  background: rgba(255,255,255,.85);
}
.hamburger::before{ top:0; box-shadow: 0 6px 0 rgba(255,255,255,.85), 0 12px 0 rgba(255,255,255,.85); }
.hamburger::after{ display:none; }

@media (max-width: 980px){
  .nav-toggle{ display:inline-flex; align-items:center; justify-content:center; }
  .site-nav{
    position: absolute;
    top: 70px;
    left: 12px;
    right: 12px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 6px;
    padding: 10px;
    background: rgba(17,19,25,.98);
    border: 1px solid rgba(255,255,255,.10);
    border-radius: 16px;
    box-shadow: var(--shadow);
  }
  .site-header[data-open="true"] .site-nav{ display:flex; }
  .site-nav a{ padding: 12px 12px; }
}

/* Hero */
.hero{
  position: relative;
  overflow: hidden;
  min-height: clamp(520px, 80vh, 760px);
  display:flex;
  align-items:flex-end;
}
.hero-bg{
  position:absolute;
  inset:0;
  background:
    linear-gradient(
      180deg,
      rgba(11,12,15,0) 0%,
      rgba(11,12,15,0) 42%,
      rgba(11,12,15,.55) 66%,
      rgba(11,12,15,.92) 86%,
      rgba(11,12,15,1) 100%
    ),
    url("./assets/images/portada-3-1920x1080.jpg") center/cover no-repeat;
  filter: saturate(1.05) contrast(1.02);
  transform: scale(1.02);
}
.hero-inner{
  position: relative;
  padding: 26px 0 64px;
}
.hero-inner::before{
  content:"";
  position:absolute;
  left: -18px;
  right: -18px;
  bottom: -18px;
  top: 35%;
  background: radial-gradient(70% 70% at 50% 100%, rgba(0,0,0,.55), rgba(0,0,0,0));
  filter: blur(10px);
  opacity: .85;
  pointer-events: none;
  z-index: -1;
}
.kicker{
  margin:0 0 10px;
  color: rgba(255,255,255,.80);
  letter-spacing: .16em;
  text-transform: uppercase;
  font-size: .82rem;
}
.hero-title{
  margin:0 0 10px;
  font-size: clamp(2.4rem, 6vw, 4.6rem);
  line-height: 1.02;
  letter-spacing: -0.02em;
}
.hero-subtitle{
  margin: 0 0 22px;
  max-width: 62ch;
  color: rgba(255,255,255,.88);
  font-size: clamp(1.02rem, 2.2vw, 1.18rem);
}
.hero-actions{
  display:flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 18px;
}
.hero-meta{
  list-style: none;
  padding:0;
  margin:0;
  display:flex;
  gap: 14px;
  flex-wrap: wrap;
  color: rgba(255,255,255,.82);
}
.hero-meta a{
  text-decoration: none;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(0,0,0,.28);
  border: 1px solid rgba(255,255,255,.12);
}
.hero-meta a:hover{
  background: rgba(0,0,0,.38);
}

/* Buttons */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap: 10px;
  padding: 12px 18px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.14);
  text-decoration:none;
  font-weight: 650;
  letter-spacing: .02em;
  transition: transform .18s ease, background .18s ease, border-color .18s ease;
}
.btn:focus-visible{
  outline: 3px solid rgba(247,237,74,.6);
  outline-offset: 3px;
}
.btn:hover{ transform: translateY(-1px); }
.btn-primary{
  background: linear-gradient(180deg, rgba(177,40,18,1), rgba(108,24,11,1));
  box-shadow: 0 18px 40px rgba(0,0,0,.35);
}
.btn-secondary{
  background: linear-gradient(180deg, rgba(255,97,72,1), rgba(225,31,0,1));
}
.btn-ghost{
  background: rgba(255,255,255,.06);
}

/* Sections */
.section{
  padding: 74px 0;
}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 22px;
}
.section-head h2{
  margin:0;
  font-size: clamp(1.6rem, 3.2vw, 2.3rem);
  letter-spacing: -0.01em;
}
.section-head p{
  margin:0;
  max-width: 62ch;
  color: rgba(255,255,255,.78);
}
.section-muted{
  background: linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.02));
  border-top: 1px solid rgba(255,255,255,.06);
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.section-accent{
  background:
    radial-gradient(700px 240px at 15% 0%, rgba(247,237,74,.12), rgba(0,0,0,0)),
    linear-gradient(180deg, rgba(177,40,18,.18), rgba(0,0,0,0));
  border-top: 1px solid rgba(255,255,255,.06);
  border-bottom: 1px solid rgba(255,255,255,.06);
}

.grid{
  display:grid;
  gap: 14px;
}
.cards{ grid-template-columns: repeat(3, minmax(0, 1fr)); }
.features{ grid-template-columns: repeat(3, minmax(0, 1fr)); }
.gallery{ grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); }
.contact{ grid-template-columns: repeat(2, minmax(0, 1fr)); }

@media (max-width: 980px){
  .cards, .features, .gallery{ grid-template-columns: 1fr; }
  .contact{ grid-template-columns: 1fr; }
  .section-head{ align-items:flex-start; flex-direction: column; }
}

.masonry{
  columns: 3 320px;
  column-gap: 14px;
}
@media (max-width: 980px){
  .masonry{ columns: 1; }
}
.tile{
  break-inside: avoid;
  margin: 0 0 14px;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.04);
  box-shadow: 0 20px 50px rgba(0,0,0,.18);
}
.tile img{
  width: 100%;
  height: auto;
  display: block;
}
.video{
  position: relative;
  aspect-ratio: 16 / 9;
  background: rgba(0,0,0,.35);
}
.video--short{
  aspect-ratio: 9 / 16;
}
.video iframe{
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
  display: block;
}

.card{
  overflow:hidden;
  border-radius: var(--radius);
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.10);
  box-shadow: 0 20px 50px rgba(0,0,0,.22);
}
.card img{
  width:100%;
  height: 210px;
  object-fit: cover;
  display:block;
}
.card-body{
  padding: 16px 16px 18px;
}
.card-body h3{
  margin: 0 0 6px;
  font-size: 1.14rem;
}
.card-body p{
  margin:0;
  color: rgba(255,255,255,.78);
}

.feature{
  padding: 18px 18px 16px;
  border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.035);
}
.feature h3{ margin: 0 0 6px; }
.feature p{ margin:0; color: rgba(255,255,255,.78); }

.accordion details{
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,.035);
  border: 1px solid rgba(255,255,255,.10);
  overflow: hidden;
  margin-bottom: 10px;
}
.accordion summary{
  list-style:none;
  cursor:pointer;
  padding: 14px 16px;
  font-weight: 650;
}
.accordion summary::-webkit-details-marker{ display:none; }
.details-body{
  padding: 0 16px 16px;
  color: rgba(255,255,255,.78);
}
.egresadas-intro{
  margin: 0 0 16px;
  padding: 14px 16px;
  border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.03);
}
.egresadas-intro p{
  margin: 0 0 10px;
  color: rgba(255,255,255,.78);
}
.egresadas-intro p:last-child{ margin-bottom: 0; }

.shot{
  display:block;
  border-radius: var(--radius);
  overflow:hidden;
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.02);
  padding: 0;
  cursor: pointer;
  appearance: none;
}
.shot.is-hidden{ display: none; }
.gallery-actions{
  margin-top: 14px;
  display:flex;
  justify-content:center;
}
.gallery-more{ min-width: 180px; }
.gallery-actions[hidden]{ display:none; }
.shot img{
  width:100%;
  height: 200px;
  object-fit: cover;
  display:block;
  transition: transform .35s ease;
}
.shot:hover img{ transform: scale(1.03); }

.callout{
  display:flex;
  align-items:center;
  justify-content: space-between;
  gap: 18px;
  padding: 18px;
  border-radius: var(--radius);
  background:
    radial-gradient(800px 300px at 20% 0%, rgba(255,97,72,.20), rgba(0,0,0,0)),
    rgba(255,255,255,.035);
  border: 1px solid rgba(255,255,255,.12);
}
.callout h3{ margin:0 0 6px; }
.callout p{ margin:0; color: rgba(255,255,255,.78); }
@media (max-width: 980px){
  .callout{ flex-direction: column; align-items: stretch; }
}

.timeline{
  list-style: none;
  padding: 0;
  margin: 0;
  display:grid;
  gap: 12px;
}
.timeline li{
  padding: 16px;
  border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.035);
}
.timeline h3{ margin:0 0 6px; }
.timeline p{ margin:0; color: rgba(255,255,255,.78); }

.contact-card{
  padding: 18px;
  border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.035);
}
.contact-card h3{ margin:0 0 10px; }
.contact-card p{ margin: 0 0 10px; color: rgba(255,255,255,.78); }
.contact-card p:last-child{ margin-bottom: 0; }
.contact-video{
  margin-top: 14px;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid rgba(255,255,255,.10);
}
.social{
  margin:0;
  padding-left: 18px;
  color: rgba(255,255,255,.78);
}
.social a{ text-decoration: none; border-bottom: 1px dotted rgba(255,255,255,.35); }
.social a:hover{ border-bottom-color: rgba(255,255,255,.75); }

/* Footer */
.site-footer{
  padding: 28px 0;
  border-top: 1px solid rgba(255,255,255,.08);
  background: rgba(0,0,0,.25);
}
.footer-inner{
  display:flex;
  align-items:center;
  justify-content: space-between;
  gap: 12px;
}
.small{
  color: rgba(255,255,255,.68);
  font-size: .92rem;
  margin:0;
  text-decoration: none;
}

.to-top{
  width: 40px;
  height: 40px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.14);
  background: rgba(255,255,255,.05);
  color: rgba(255,255,255,.85);
  text-decoration: none;
  font-size: 1.05rem;
  line-height: 1;
  transition: transform .18s ease, background .18s ease, border-color .18s ease;
}
.to-top:hover{
  transform: translateY(-1px);
  background: rgba(255,255,255,.08);
}
.to-top:focus-visible{
  outline: 3px solid rgba(247,237,74,.6);
  outline-offset: 3px;
}

/* Lightbox */
.lightbox{
  width: min(980px, calc(100vw - 24px));
  max-width: calc(100vw - 24px);
  height: min(86vh, 760px);
  height: min(86dvh, 760px);
  border: 1px solid rgba(255,255,255,.14);
  border-radius: 18px;
  background: rgba(11,12,15,.92);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  color: var(--text);
  padding: 12px;
  box-shadow: var(--shadow);
}
.lightbox::backdrop{
  background: rgba(0,0,0,.66);
}

@media (max-width: 980px){
  .lightbox{
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
    background: rgba(11,12,15,.98);
  }
}
.lightbox-figure{
  margin: 0;
  width: 100%;
  height: 100%;
  display:flex;
  align-items:center;
  justify-content:center;
}
.lightbox-img{
  max-width: 100%;
  max-height: 100%;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(0,0,0,.22);
}
.lightbox-close{
  position:absolute;
  top: 10px;
  right: 10px;
  width: 40px;
  height: 40px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.14);
  background: rgba(255,255,255,.05);
  color: rgba(255,255,255,.9);
  font-size: 1.4rem;
  line-height: 1;
  cursor:pointer;
}
.lightbox-nav{
  position:absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.14);
  background: rgba(255,255,255,.05);
  color: rgba(255,255,255,.9);
  font-size: 1.8rem;
  line-height: 1;
  cursor:pointer;
}
.lightbox-prev{ left: 10px; }
.lightbox-next{ right: 10px; }
.lightbox-close:hover,
.lightbox-nav:hover{
  background: rgba(255,255,255,.08);
}
.lightbox-close:focus-visible,
.lightbox-nav:focus-visible{
  outline: 3px solid rgba(247,237,74,.6);
  outline-offset: 3px;
}