:root{
  --ink:#3c352e;
  --ink-soft:#7a6f64;
  --cream:#fbf6f0;
  --blush:#e3b9b3;
  --blush-deep:#c98e89;
  --sage:#a9bba6;
  --powder:#b9c8d6;
  --gold:#c8a374;
  --gold-dim:#a98a5c;
  --serif-display:'Cormorant Garamond', serif;
  --serif-body:'EB Garamond', serif;
  --sans-util:'Jost', sans-serif;
}

*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  background:var(--cream);
  color:var(--ink);
  font-family:var(--serif-body);
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}

@media (prefers-reduced-motion: reduce){
  *{animation-duration:0.01ms !important; animation-iteration-count:1 !important; transition-duration:0.01ms !important;}
}

/* ---------- NAV ---------- */
.nav{
  position:sticky;
  top:0;
  z-index:50;
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:1.3rem 5vw;
  background:rgba(251,246,240,0.88);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid rgba(201,142,137,0.25);
}

.nav-brand{
  font-family:var(--serif-display);
  font-size:1.4rem;
  letter-spacing:0.04em;
  color:var(--ink);
}
.nav-brand em{
  font-style:italic;
  color:var(--blush-deep);
}

.nav-links{
  display:flex;
  gap:2.2rem;
  list-style:none;
}

.nav-links a{
  font-family:var(--sans-util);
  font-size:0.74rem;
  letter-spacing:0.14em;
  text-transform:uppercase;
  color:var(--ink-soft);
  padding-bottom:0.3rem;
  border-bottom:1px solid transparent;
  transition:color 0.2s ease, border-color 0.2s ease;
}
.nav-links a:hover,
.nav-links a.active{
  color:var(--blush-deep);
  border-color:var(--blush-deep);
}

.nav-item-dropdown{
  position:relative;
}
.submenu{
  list-style:none;
  position:absolute;
  top:100%;
  left:0;
  margin-top:0;
  padding-top:0.7rem;
  background:var(--cream);
  border:1px solid rgba(201,142,137,0.3);
  border-radius:4px;
  padding-bottom:0.5rem;
  min-width:170px;
  box-shadow:0 24px 48px -22px rgba(60,53,46,0.3);
  display:none;
  flex-direction:column;
  z-index:60;
}
.nav-item-dropdown:hover .submenu,
.nav-item-dropdown:focus-within .submenu{
  display:flex;
}
.submenu a{
  padding:0.55rem 1.2rem;
  font-size:0.72rem;
  border-bottom:none;
  white-space:nowrap;
}

.nav-right{
  display:flex;
  align-items:center;
  gap:1rem;
}

.lang-switch{
  display:flex;
  align-items:center;
  gap:0.3rem;
}
.lang-pill{
  display:inline-flex;
  align-items:center;
  gap:0.32rem;
  font-family:var(--sans-util);
  font-size:0.66rem;
  letter-spacing:0.06em;
  text-transform:uppercase;
  color:var(--ink-soft);
  padding:0.32rem 0.65rem;
  border:1px solid rgba(201,142,137,0.4);
  border-radius:20px;
  background:rgba(255,255,255,0.5);
  transition:color 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}
svg.flag{
  width:18px;
  height:13px;
  border-radius:2px;
  box-shadow:0 0 0 1px rgba(60,53,46,0.18);
  display:block;
  flex-shrink:0;
}
.lang-pill:hover{
  color:var(--blush-deep);
  border-color:var(--blush-deep);
}
.lang-pill.active{
  background:var(--blush-deep);
  color:#fff;
  border-color:var(--blush-deep);
}

.nav-toggle{
  display:none;
  font-family:var(--sans-util);
  font-size:0.7rem;
  letter-spacing:0.1em;
  text-transform:uppercase;
  background:none;
  border:1px solid var(--blush-deep);
  color:var(--ink);
  padding:0.5rem 0.9rem;
  border-radius:20px;
  cursor:pointer;
}

@media (max-width:880px){
  .nav-links{
    position:absolute;
    top:100%;
    left:0;
    right:0;
    flex-direction:column;
    background:var(--cream);
    padding:1.5rem 6vw 2rem;
    gap:1.2rem;
    border-bottom:1px solid rgba(201,142,137,0.25);
    display:none;
  }
  .nav-links.open{display:flex;}
  .nav-toggle{display:inline-block;}

  .submenu{
    position:static;
    display:flex;
    box-shadow:none;
    border:none;
    background:transparent;
    padding:0.6rem 0 0 1rem;
    margin-top:0.6rem;
    min-width:0;
  }
  .nav-item-dropdown:hover .submenu,
  .nav-item-dropdown:focus-within .submenu{
    display:flex;
  }

  .nav-right{
    gap:0.5rem;
  }
  .lang-pill{
    padding:0.28rem 0.5rem;
    font-size:0.6rem;
  }
  svg.flag{
    width:16px;
    height:12px;
  }
}

/* ---------- HOME HERO / SLIDESHOW ---------- */
.hero{
  position:relative;
  height:100vh;
  min-height:600px;
  display:flex;
  align-items:flex-end;
  overflow:hidden;
  background:var(--ink);
}

.bg-layer{
  position:absolute;
  inset:0;
  background-size:cover;
  background-position:center;
  background-repeat:no-repeat;
  opacity:0;
  transition:opacity 2.4s ease-in-out;
  animation:kenburns 16s ease-in-out infinite alternate;
}
/* Cuando una foto concreta usa un zoom más alejado (background-size
   menor que "cover", ver HERO_IMAGE_SIZES en bg-slideshow.js), puede
   quedar un hueco a los lados o arriba/abajo. Sin background-repeat:
   no-repeat ese hueco se rellenaría repitiendo la foto en mosaico (se
   verían 2-3 copias); con no-repeat, el hueco simplemente muestra el
   fondo oscuro de .hero / .page-header, sin repetir nada. */
/* Las dos capas llevan el mismo zoom pero desfasado en el tiempo, así el
   movimiento nunca se reinicia al cambiar de foto. Misma técnica que la
   Demo 4 de test-animaciones.html: solo la capa .active tiene z-index
   explícito (1); la otra se queda en z-index "auto" (sin valor), que
   siempre pierde frente a un z-index explícito — así nunca hay empate
   de apilamiento entre las dos capas. (Nota: en la demo aislada se usa
   z-index 2 porque ahí no hay overlay de texto encima; aquí se usa 1
   para dejar sitio, por debajo, al degradado .hero::before / .page-header::before,
   que necesita estar siempre por encima de la foto sin ambigüedad.) */
.bg-layer.layer-a{ animation-delay:-2s; }
.bg-layer.layer-b{ animation-delay:-10s; }
.bg-layer.active{
  opacity:1;
  z-index:1;
}
@keyframes kenburns{
  from{transform:scale(1);}
  to{transform:scale(1.09);}
}

/* Se quita el degradado que iba encima de toda la foto: el cuadro de
   texto (.hero-content) ya tiene su propio fondo semitransparente con
   blur, así que la foto se ve limpia, sin ningún velo encima. */

.hero-content{
  position:relative;
  z-index:3;
  padding:0 6vw 3.2rem;
  max-width:1180px;
  margin:0 auto;
  width:100%;
}
.hero-content .eyebrow{
  color:#fff;
  text-shadow:0 1px 14px rgba(0,0,0,0.7), 0 1px 3px rgba(0,0,0,0.6), 0 0 2px rgba(0,0,0,0.85);
}

.eyebrow{
  font-family:var(--sans-util);
  font-size:0.78rem;
  letter-spacing:0.32em;
  text-transform:uppercase;
  color:var(--blush-deep);
  margin-bottom:1.6rem;
}

.hero-title{
  font-family:var(--serif-display);
  font-weight:600;
  font-size:clamp(3.2rem, 8vw, 5.6rem);
  letter-spacing:0.02em;
  color:#fff;
  text-shadow:0 2px 22px rgba(0,0,0,0.7), 0 2px 6px rgba(0,0,0,0.6), 0 0 3px rgba(0,0,0,0.85);
  line-height:1.05;
}
.hero-title em{
  font-style:italic;
  font-weight:500;
  color:#fff;
}

.staff{
  width:120px;
  height:28px;
  margin:1.8rem auto 0;
  background-image:repeating-linear-gradient(to bottom, var(--gold) 0, var(--gold) 1px, transparent 1px, transparent 6px);
  opacity:0.7;
}

.scroll-cue{
  position:absolute;
  bottom:2.6rem;
  left:50%;
  transform:translateX(-50%);
  z-index:3;
  font-family:var(--sans-util);
  font-size:0.7rem;
  letter-spacing:0.28em;
  text-transform:uppercase;
  color:var(--ink-soft);
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:0.6rem;
}
.scroll-cue::after{
  content:"";
  width:1px;
  height:38px;
  background:linear-gradient(to bottom, var(--blush-deep), transparent);
  animation:cue 2.2s ease-in-out infinite;
}
@keyframes cue{
  0%{opacity:0.2; transform:scaleY(0.4); transform-origin:top;}
  50%{opacity:1; transform:scaleY(1); transform-origin:top;}
  100%{opacity:0.2; transform:scaleY(0.4); transform-origin:top;}
}

/* ---------- PAGE HEADER (páginas internas) ---------- */
.page-header{
  position:relative;
  height:46vh;
  min-height:320px;
  display:flex;
  align-items:flex-end;
  overflow:hidden;
  background:var(--ink);
}
/* Se quita también el degradado de las cabeceras internas: la foto
   se ve limpia del todo. El texto se lee gracias a una sombra propia
   en las letras (ver .page-header-content h1 / .eyebrow más abajo),
   no a un velo sobre la foto. */
.page-header-content{
  position:relative;
  z-index:3;
  padding:0 6vw 3.2rem;
  max-width:1180px;
  margin:0 auto;
  width:100%;
}
.page-header-content .eyebrow{
  margin-bottom:0.8rem;
  color:#fff;
  text-shadow:0 1px 14px rgba(0,0,0,0.7), 0 1px 3px rgba(0,0,0,0.6), 0 0 2px rgba(0,0,0,0.85);
}
.page-header-content h1{
  font-family:var(--serif-display);
  font-weight:600;
  font-size:clamp(3.2rem, 8vw, 5.6rem);
  color:#fff;
  text-shadow:0 2px 22px rgba(0,0,0,0.7), 0 2px 6px rgba(0,0,0,0.6), 0 0 3px rgba(0,0,0,0.85);
}

/* ---------- SECTION SHELL ---------- */
.section{
  position:relative;
  background:var(--cream);
  padding:6rem 6vw 7rem;
  max-width:1180px;
  margin:0 auto;
}
.section-label{
  font-family:var(--sans-util);
  font-size:0.78rem;
  letter-spacing:0.32em;
  text-transform:uppercase;
  color:var(--blush-deep);
  display:block;
  margin-bottom:1rem;
}
.section h2{
  font-family:var(--serif-display);
  font-weight:500;
  font-size:clamp(2rem, 4vw, 2.8rem);
  color:var(--ink);
  margin-bottom:1.6rem;
}
.section .lede{
  font-size:1.18rem;
  line-height:1.85;
  color:var(--ink-soft);
  max-width:680px;
  margin-bottom:2.5rem;
}

/* ---------- BIOGRAFÍA (home) ---------- */
.bio{
  display:grid;
  grid-template-columns:140px 1fr;
  gap:2rem;
}
.bio-label{
  font-family:var(--sans-util);
  font-size:0.78rem;
  letter-spacing:0.32em;
  text-transform:uppercase;
  color:var(--blush-deep);
  writing-mode:vertical-rl;
  transform:rotate(180deg);
  align-self:start;
}
.bio-text{max-width:680px;}
.bio-text h2{
  font-family:var(--serif-display);
  font-weight:500;
  font-size:clamp(2rem, 4vw, 2.8rem);
  color:var(--ink);
  margin-bottom:2rem;
}
.bio-text p{
  font-size:1.18rem;
  line-height:1.85;
  color:var(--ink-soft);
  margin-bottom:1.5rem;
}
.bio-text p:first-of-type::first-letter{
  font-family:var(--serif-display);
  font-size:4.2rem;
  line-height:0.78;
  float:left;
  margin:0.08em 0.12em 0 0;
  color:var(--blush-deep);
  font-weight:500;
}
.pull{
  border-left:2px solid var(--sage);
  padding-left:1.6rem;
  margin:2.6rem 0;
  font-family:var(--serif-display);
  font-style:italic;
  font-size:1.5rem;
  color:var(--ink);
  line-height:1.5;
}
.credentials{
  margin-top:3rem;
  display:flex;
  flex-wrap:wrap;
  gap:0.7rem 1rem;
}
.credentials span{
  font-family:var(--sans-util);
  font-size:0.72rem;
  letter-spacing:0.08em;
  text-transform:uppercase;
  color:var(--ink-soft);
  background:rgba(227,185,179,0.18);
  border:1px solid rgba(201,142,137,0.4);
  padding:0.5rem 0.9rem;
  border-radius:20px;
}

/* ---------- CONCIERTOS: grid de vídeos ---------- */
.video-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit, minmax(300px, 1fr));
  gap:2.4rem;
}
.video-card{
  background:#fff;
  border:1px solid rgba(201,142,137,0.25);
  border-radius:6px;
  overflow:hidden;
  box-shadow:0 20px 40px -28px rgba(60,53,46,0.25);
}
.video-frame{
  position:relative;
  width:100%;
  padding-top:56.25%;
  background:var(--ink);
}
.video-frame iframe{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  border:0;
}
.video-card-label{
  padding:1.1rem 1.3rem;
  font-family:var(--sans-util);
  font-size:0.82rem;
  letter-spacing:0.04em;
  color:var(--ink-soft);
}

/* ---------- INVESTIGACIÓN ---------- */
.research-block{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:3rem;
  align-items:start;
}
.research-list{
  list-style:none;
  display:flex;
  flex-direction:column;
  gap:1.4rem;
}
.research-list li{
  border-top:1px solid rgba(201,142,137,0.3);
  padding-top:1.2rem;
  font-size:1.05rem;
  color:var(--ink-soft);
  line-height:1.7;
}
.research-list li strong{
  display:block;
  font-family:var(--serif-display);
  font-size:1.25rem;
  color:var(--ink);
  margin-bottom:0.3rem;
  font-weight:500;
}

.btn{
  display:inline-flex;
  align-items:center;
  gap:0.6rem;
  font-family:var(--sans-util);
  font-size:0.78rem;
  letter-spacing:0.12em;
  text-transform:uppercase;
  color:var(--ink);
  background:var(--blush);
  padding:0.9rem 1.6rem;
  border-radius:30px;
  border:1px solid rgba(201,142,137,0.5);
  transition:background 0.2s ease, transform 0.2s ease;
}
.btn:hover{background:var(--blush-deep); color:#fff; transform:translateY(-2px);}

/* ---------- CONCIERTO DIDÁCTICO ---------- */
.theme-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit, minmax(220px, 1fr));
  gap:1.6rem;
  margin-top:1rem;
}
.theme-card{
  background:rgba(169,187,166,0.12);
  border:1px solid rgba(169,187,166,0.4);
  border-radius:8px;
  padding:1.8rem 1.6rem;
}
.theme-card .num{
  font-family:var(--serif-display);
  font-size:1.6rem;
  color:var(--sage);
  font-style:italic;
  display:block;
  margin-bottom:0.6rem;
}
.theme-card h3{
  font-family:var(--serif-display);
  font-weight:500;
  font-size:1.3rem;
  color:var(--ink);
  margin-bottom:0.5rem;
}
.theme-card p{
  font-size:0.98rem;
  color:var(--ink-soft);
  line-height:1.6;
}
.theme-card ul{
  list-style:disc;
  padding-left:1.15rem;
  display:flex;
  flex-direction:column;
  gap:0.45rem;
  font-size:0.98rem;
  color:var(--ink-soft);
  line-height:1.6;
}

/* ---------- CONTACTO ---------- */
.contact-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:3.5rem;
}
.contact-info dl{
  display:flex;
  flex-direction:column;
  gap:1.4rem;
}
.contact-info dt{
  font-family:var(--sans-util);
  font-size:0.7rem;
  letter-spacing:0.16em;
  text-transform:uppercase;
  color:var(--blush-deep);
  margin-bottom:0.3rem;
}
.contact-info dd{
  font-size:1.1rem;
  color:var(--ink);
}
.form-field{
  display:flex;
  flex-direction:column;
  gap:0.5rem;
  margin-bottom:1.4rem;
}
.form-field label{
  font-family:var(--sans-util);
  font-size:0.72rem;
  letter-spacing:0.12em;
  text-transform:uppercase;
  color:var(--ink-soft);
}
.form-field input,
.form-field textarea{
  font-family:var(--serif-body);
  font-size:1rem;
  color:var(--ink);
  background:#fff;
  border:1px solid rgba(201,142,137,0.4);
  border-radius:4px;
  padding:0.8rem 1rem;
}
.form-field textarea{resize:vertical;min-height:120px;}

/* ---------- RETRATO (bio) ---------- */
.bio-portrait{
  float:right;
  width:260px;
  border-radius:6px;
  margin:0 0 1.6rem 2.4rem;
  box-shadow:0 26px 54px -26px rgba(60,53,46,0.35);
  border:1px solid rgba(255,255,255,0.7);
}
@media (max-width:720px){
  .bio-portrait{float:none; width:100%; margin:0 0 1.8rem;}
}

/* ---------- GALERÍA DE FOTOS ---------- */
.photo-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit, minmax(260px, 1fr));
  gap:1.8rem;
  margin-top:2.6rem;
}
.photo-grid figure{
  margin:0;
  background:#fff;
  border-radius:6px;
  overflow:hidden;
  border:1px solid rgba(201,142,137,0.25);
  box-shadow:0 20px 40px -28px rgba(60,53,46,0.25);
}
.photo-grid img{width:100%; display:block;}
.photo-grid figcaption{
  padding:0.9rem 1.1rem;
  font-family:var(--sans-util);
  font-size:0.78rem;
  letter-spacing:0.02em;
  color:var(--ink-soft);
}

/* ---------- INVESTIGACIÓN: imagen poster ---------- */
.poster-frame{
  border-radius:6px;
  overflow:hidden;
  border:1px solid rgba(201,142,137,0.3);
  box-shadow:0 26px 54px -26px rgba(60,53,46,0.3);
}
.poster-frame img{width:100%; display:block;}

.book-cover{
  max-width:340px;
  margin:0 auto;
}

/* ---------- CURSOS ---------- */
.course-block{
  margin-top:4rem;
  padding-top:3.2rem;
  border-top:1px solid rgba(201,142,137,0.3);
}
.course-block:first-of-type{
  margin-top:0;
  padding-top:0;
  border-top:none;
}
.course-block h3{
  font-family:var(--serif-display);
  font-weight:500;
  font-size:1.8rem;
  color:var(--ink);
  margin-bottom:1rem;
}
.course-block .lede{margin-bottom:1.4rem;}
.course-block h4{
  font-family:var(--serif-display);
  font-weight:500;
  font-size:1.3rem;
  color:var(--ink);
  margin:2.2rem 0 0.5rem;
}

footer{
  text-align:center;
  padding:3rem 0;
  font-family:var(--sans-util);
  font-size:0.7rem;
  letter-spacing:0.2em;
  text-transform:uppercase;
  color:var(--ink-soft);
  opacity:0.6;
}

.social-links{
  display:flex;
  justify-content:center;
  gap:1.6rem;
  margin-bottom:1.4rem;
  opacity:1;
}
.social-links a{
  color:var(--ink-soft);
  transition:color 0.2s ease, transform 0.2s ease;
  display:inline-flex;
}
.social-links a:hover{
  color:var(--blush-deep);
  transform:translateY(-2px);
}
.social-links svg{
  width:26px;
  height:26px;
}

@media (max-width:720px){
  .bio{grid-template-columns:1fr; padding-top:0;}
  .bio-label{writing-mode:horizontal-tb; transform:none; margin-bottom:1rem;}
  .research-block{grid-template-columns:1fr;}
  .contact-grid{grid-template-columns:1fr;}
  .section{padding:4.5rem 7vw 5rem;}
}