/* =========================================================
   Sergio Aleksander — Mentalista
   ========================================================= */

:root{
  --bg: #0b0b0d;
  --bg-alt: #131316;
  --ink: #e9e4d8;
  --ink-dim: #9c9891;
  --ink-faint: #6b6862;
  --accent: #7a1f22;
  --accent-2: #b5824a;
  --line: rgba(233,228,216,0.14);
  --line-strong: rgba(233,228,216,0.28);

  --serif: "Fraunces", ui-serif, Georgia, serif;
  --mono: "Space Mono", ui-monospace, monospace;

  --container: 1180px;
  --gutter: clamp(1.25rem, 4vw, 3.5rem);
}

*, *::before, *::after{ box-sizing: border-box; }

html{
  scroll-behavior: smooth;
}

body{
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--serif);
  font-optical-sizing: auto;
  font-weight: 300;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

img{ max-width: 100%; display: block; }

a{
  color: inherit;
  text-decoration: none;
}

.skip-link{
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--ink);
  color: var(--bg);
  padding: .75rem 1.25rem;
  z-index: 999;
  font-family: var(--mono);
  font-size: .8rem;
}
.skip-link:focus{ left: 1rem; top: 1rem; }

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

:focus-visible{
  outline: 1px solid var(--accent-2);
  outline-offset: 3px;
}

h1, h2, h3{
  font-family: var(--serif);
  font-weight: 500;
  margin: 0;
  letter-spacing: -0.01em;
}

p{ margin: 0 0 1.1em; }
p:last-child{ margin-bottom: 0; }

.section{
  position: relative;
  padding: clamp(4.5rem, 10vw, 8rem) var(--gutter);
  max-width: var(--container);
  margin: 0 auto;
}

.section-index{
  font-family: var(--mono);
  font-size: .72rem;
  letter-spacing: .12em;
  color: var(--ink-faint);
  margin: 0 0 1.5rem;
}

.section-title{
  font-size: clamp(1.9rem, 3.4vw, 2.9rem);
  max-width: 16ch;
  margin-bottom: 2.5rem;
}

.btn{
  display: inline-block;
  font-family: var(--mono);
  font-size: .8rem;
  letter-spacing: .06em;
  color: var(--ink);
  border: 1px solid var(--line-strong);
  padding: .9rem 1.9rem;
  transition: border-color .25s ease, background-color .25s ease;
}
.btn:hover{
  border-color: var(--accent-2);
  background: rgba(181,130,74,0.08);
}
.btn--outline{
  border-color: var(--accent);
}
.btn--outline:hover{
  border-color: var(--accent-2);
}

.link-arrow{
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  font-family: var(--mono);
  font-size: .78rem;
  letter-spacing: .04em;
  color: var(--ink-dim);
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
  transition: color .2s ease, border-color .2s ease;
}
.link-arrow:hover{
  color: var(--ink);
  border-color: var(--accent-2);
}

/* ============ HEADER / NAV ============ */
.site-header{
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  padding: 1.4rem var(--gutter);
  pointer-events: none;
}

.brand{
  pointer-events: auto;
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}
.brand-name{
  font-family: var(--serif);
  font-size: 1.05rem;
  letter-spacing: .01em;
}
.brand-tag{
  font-family: var(--mono);
  font-size: .65rem;
  letter-spacing: .1em;
  color: var(--ink-dim);
  margin-top: .2rem;
}

.header-actions{
  display: flex;
  align-items: center;
  gap: .7rem;
  pointer-events: none;
}

.social-icon{
  pointer-events: auto;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border: 1px solid var(--line-strong);
  color: var(--ink-dim);
  z-index: 210;
  transition: border-color .25s ease, color .25s ease, background-color .25s ease;
}
.social-icon svg{
  width: 1.05rem;
  height: 1.05rem;
  display: block;
}
.social-icon:hover{
  border-color: var(--accent-2);
  color: var(--accent-2);
  background: rgba(181,130,74,0.08);
}

.menu-toggle{
  pointer-events: auto;
  background: none;
  border: 1px solid var(--line-strong);
  color: var(--ink);
  font-family: var(--mono);
  font-size: .72rem;
  letter-spacing: .1em;
  padding: .55rem 1.1rem;
  cursor: pointer;
  z-index: 210;
}

.site-nav{
  position: fixed;
  inset: 0;
  background: var(--bg);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: var(--gutter);
  transform: translateY(-100%);
  transition: transform .5s cubic-bezier(.77,0,.18,1);
  z-index: 200;
  pointer-events: auto;
}
.site-nav.is-open{ transform: translateY(0); }

.site-nav ol{
  list-style: none;
  margin: 0;
  padding: 0;
}
.site-nav li{
  border-top: 1px solid var(--line);
}
.site-nav li:last-child{ border-bottom: 1px solid var(--line); }

.site-nav a{
  display: flex;
  align-items: baseline;
  gap: 1.4rem;
  font-family: var(--serif);
  font-size: clamp(1.6rem, 5vw, 3rem);
  font-weight: 400;
  padding: .55em 0;
  transition: color .2s ease, padding-left .3s ease;
}
.site-nav a:hover{
  color: var(--accent-2);
  padding-left: .4em;
}
.site-nav .idx{
  font-family: var(--mono);
  font-size: .9rem;
  color: var(--ink-faint);
}

.nav-foot{
  margin-top: 3rem;
  display: flex;
  gap: 2rem;
  font-family: var(--mono);
  font-size: .8rem;
  color: var(--ink-dim);
}
.nav-foot a:hover{ color: var(--accent-2); }

/* ============ HERO ============ */
.hero{
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
}

.hero-media{
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-media video{
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  object-position: center;
  filter: grayscale(.35) contrast(1.05) brightness(.55);
}
.hero-veil{
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(11,11,13,.55) 0%, rgba(11,11,13,.35) 40%, rgba(11,11,13,.92) 100%);
}
.hero-grain{
  position: absolute;
  inset: 0;
  opacity: .18;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='120' height='120'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
  background-size: 220px 220px;
}

.hero-content{
  position: relative;
  z-index: 1;
  padding: 0 var(--gutter) clamp(4rem, 9vw, 6.5rem);
  max-width: 54rem;
}

.hero-eyebrow{
  font-family: var(--mono);
  font-size: .62rem;
  letter-spacing: .12em;
  color: var(--ink-dim);
  margin-bottom: 1.4rem;
}

.hero-title{
  font-size: clamp(3.2rem, 10vw, 6.4rem);
  font-weight: 500;
  font-style: italic;
  line-height: .95;
  margin-bottom: 1.6rem;
}
.reveal-line{
  display: block;
  overflow: hidden;
}
.reveal-line span{
  display: block;
  transform: translateY(110%);
  animation: revealUp .9s cubic-bezier(.19,1,.22,1) forwards;
}
.reveal-line:nth-child(2) span{ animation-delay: .12s; }

@keyframes revealUp{
  to{ transform: translateY(0); }
}

.hero-role{
  max-width: none;
  color: var(--ink);
  font-size: .98rem;
  margin-bottom: 1.2rem;
}

.hero-quote{
  max-width: 34rem;
  color: var(--ink-dim);
  font-size: 1.02rem;
  margin-bottom: 2.2rem;
}

.inline-link{
  border-bottom: 1px solid var(--line-strong);
  transition: color .2s ease, border-color .2s ease;
}
.inline-link:hover{
  color: var(--accent-2);
  border-color: var(--accent-2);
}

/* ============ FRAMES (triptico) ============
   FIX: contenedor con proporción VERTICAL fija (misma en móvil y
   escritorio) y vídeo/imagen posicionados en absoluto para llenar
   la caja de forma fiable en todos los navegadores (evita el bug
   de "solo se ve un cuadrante" que aparece cuando el porcentaje de
   alto de un <video> no se resuelve bien contra un padre cuyo alto
   viene de aspect-ratio). */
.frames{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
}
.frame{
  margin: 0;
  position: relative;
  background: var(--bg);
  aspect-ratio: 9/16; /* vertical, igual en todas las resoluciones */
  overflow: hidden;
  cursor: pointer;
}
.frame img{
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  object-fit: contain;
  object-position: center;
  filter: grayscale(.5) contrast(1.05);
  transition: filter .5s ease, transform .8s ease;
}
.frame:hover img{
  filter: grayscale(0) contrast(1.05);
  transform: scale(1.03);
}
.frame-video{
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  /* object-fit: contain -> se ve el vídeo/póster VERTICAL completo,
     sin recortar, con el fondo del sitio rellenando los márgenes
     sobrantes si la proporción exacta del archivo no es igual a 9/16 */
  object-fit: contain;
  object-position: center;
  background: var(--bg);
  transition: transform .6s ease;
}
.frame:hover .frame-video{
  transform: scale(1.02);
}
.frame figcaption{
  position: absolute;
  left: .9rem;
  top: .8rem;
  font-family: var(--mono);
  font-size: .99rem;
  letter-spacing: .1em;
  color: var(--ink);
  text-shadow: 0 1px 6px rgba(0,0,0,.6);
  z-index: 2;
}

/* Icono de reproducción sobre cada fotograma — Diseño contemporáneo */
.frame-play{
  position: absolute;
  inset: 0;
  margin: auto;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  border: 2px solid var(--ink);
  background: transparent;
  color: var(--ink);
  font-size: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all .3s cubic-bezier(.19,1,.22,1);
  pointer-events: none; /* el clic lo gestiona el <figure class="frame"> */
  z-index: 2;
  backdrop-filter: blur(2px);
}

/* Icono play moderno usando pseudo-elemento */
.frame-play::before{
  content: '';
  position: absolute;
  width: 0;
  height: 0;
  border-left: 16px solid var(--ink);
  border-top: 10px solid transparent;
  border-bottom: 10px solid transparent;
  margin-left: 3px;
  transition: all .3s cubic-bezier(.19,1,.22,1);
}

.frame:hover .frame-play{
  border-color: var(--accent-2);
  background: rgba(181,130,74,.08);
  transform: scale(1.15);
  box-shadow: 0 0 24px rgba(181,130,74,.2);
}

.frame:hover .frame-play::before{
  border-left-color: var(--accent-2);
}

.frame.is-playing .frame-play{
  opacity: 0;
  transform: scale(.6);
  pointer-events: none;
}

/* ============ SOBRE MI ============ */
.sobre-grid{
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: clamp(2rem, 6vw, 5rem);
  align-items: start;
}
.sobre-media img{
  width: 100%;
  aspect-ratio: 4/5;
  object-fit: cover;
  filter: grayscale(.4) contrast(1.05);
}

.pull-quote{
  font-style: italic;
  font-size: clamp(1.25rem, 2.2vw, 1.6rem);
  line-height: 1.5;
  color: var(--ink);
  border-left: 1px solid var(--accent);
  padding-left: 1.4rem;
  margin: 0 0 2rem;
}

.sobre-copy p{ color: var(--ink-dim); }

/* ============ TRAYECTORIA ============ */
.tl-group-title{
  font-family: var(--mono);
  font-size: .82rem;
  letter-spacing: .08em;
  color: var(--ink);
  margin: 2.5rem 0 .75rem;
}
.tl-group-title:first-of-type{ margin-top: 0; }

.timeline{
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}
.timeline li{
  display: grid;
  grid-template-columns: 9rem 1fr;
  gap: 2rem;
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--line);
}
.tl-year{
  font-family: var(--mono);
  font-size: .82rem;
  letter-spacing: .04em;
  color: var(--accent-2);
  padding-top: .2rem;
}
.tl-body{
  color: var(--ink-dim);
  max-width: 52ch;
}

/* ============ FILOSOFIA ============ */
.filosofia{
  background: var(--bg-alt);
  text-align: center;
}
.filosofia .section-title{
  margin-left: auto;
  margin-right: auto;
}
.pull-quote--large{
  border-left: none;
  padding-left: 0;
  max-width: 42rem;
  margin: 0 auto 2.2rem;
  font-size: clamp(1.5rem, 3.4vw, 2.2rem);
}
.filosofia-copy{
  max-width: 46rem;
  margin: 0 auto;
  color: var(--ink-dim);
}
/* ============ MENTALISMO Y MAGIA BIZARRA / COFUNDADOR ============ */
.mbe-section,
.organizador-section{
  padding-top: clamp(2.5rem, 5vw, 3.5rem);
  padding-bottom: clamp(2.5rem, 5vw, 3.5rem);
  border-top: 1px solid var(--line);
}
.mbe-section .section-title,
.organizador-section .section-title{
  font-size: clamp(1.4rem, 2.2vw, 1.8rem);
  margin-bottom: 1.2rem;
}
.mbe-section p,
.organizador-section p{
  color: var(--ink-dim);
  max-width: 62ch;
}

/* ============ SERVICIOS ============ */
.catalogo{
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--line);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.catalogo-item{
  background: var(--bg);
  padding: clamp(1.8rem, 3vw, 2.6rem);
}
.catalogo-num{
  font-family: var(--mono);
  font-size: .72rem;
  color: var(--ink-faint);
  letter-spacing: .1em;
  margin-bottom: 1rem;
}
.catalogo-item h3{
  font-size: 1.4rem;
  margin-bottom: .9rem;
}
.catalogo-item p{ color: var(--ink-dim); }
.catalogo-price{
  font-family: var(--mono);
  font-size: .78rem;
  color: var(--ink);
  margin: 1.2rem 0 1rem;
}

/* ============ CÍRCULO DE ACCESO ============ */
.acceso-section{
  padding-top: 0;
  padding-bottom: clamp(2rem, 4vw, 3rem);
}
.acceso{
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.75rem;
  background: var(--bg-alt);
  border: 1px solid var(--line);
  padding: clamp(1.8rem, 4vw, 3rem);
}
.acceso-icon{
  width: 64px;
  height: 64px;
  flex: 0 0 auto;
  border-radius: 50%;
  object-fit: cover;
  border: 1px solid var(--line-strong);
}
.acceso-copy{
  flex: 1 1 18rem;
}
.acceso h3{
  font-size: 1.3rem;
  margin-bottom: .7rem;
}
.acceso p{
  color: var(--ink-dim);
  max-width: 40ch;
}
.acceso .btn{
  margin-left: auto;
}

/* ============ CONTACTO ============ */
.contacto-grid{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.contacto-item{
  background: var(--bg);
  padding: clamp(1.6rem, 3vw, 2.2rem);
}
.contacto-label{
  font-family: var(--mono);
  font-size: .7rem;
  letter-spacing: .1em;
  color: var(--ink-faint);
  margin-bottom: .8rem;
}
.contacto-item a{
  font-size: 1.15rem;
  transition: color .2s ease;
}
.contacto-item a:hover{ color: var(--accent-2); }

/* ============ FOOTER ============ */
.site-footer{
  border-top: 1px solid var(--line);
  padding: 2.6rem var(--gutter) 2rem;
  max-width: var(--container);
  margin: 0 auto;
}
.footer-top{
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}
.footer-top nav{
  display: flex;
  gap: 1.6rem;
  font-family: var(--mono);
  font-size: .76rem;
  color: var(--ink-dim);
}
.footer-top nav a:hover{ color: var(--accent-2); }
.footer-bottom{
  font-family: var(--mono);
  font-size: .7rem;
  color: var(--ink-faint);
  letter-spacing: .02em;
}

/* ============ BIBLIOTECA DE ALEKSANDRÍA (biblioteca.html) ============ */
.biblioteca-page .site-header{
  position: relative;
  align-items: center;
  padding: 1.4rem var(--gutter);
}
.biblioteca-volver{
  pointer-events: auto;
}

.biblio-hero{
  position: relative;
  min-height: 55svh;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
}
.biblio-hero-media{
  position: absolute;
  inset: 0;
  background-image: url("../img/biblioteca.png");
  background-size: cover;
  background-position: center;
  filter: grayscale(.3) contrast(1.05) brightness(.55);
}
.biblio-hero-veil{
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(11,11,13,.35) 0%, rgba(11,11,13,.55) 50%, rgba(11,11,13,.95) 100%);
}
.biblio-hero-content{
  position: relative;
  z-index: 1;
  padding: 0 var(--gutter) clamp(3rem, 7vw, 5rem);
  max-width: 46rem;
}
.biblio-hero-content .section-title{ margin-bottom: 1rem; }
.biblio-hero-content p.desktop-lg{ color: var(--ink-dim); }

.biblio-articulos{
  display: flex;
  flex-direction: column;
  gap: clamp(2.5rem, 6vw, 4rem);
}
.articulo{
  border-top: 1px solid var(--line);
  padding-top: clamp(1.5rem, 3vw, 2.5rem);
}
.articulo-fecha{
  font-family: var(--mono);
  font-size: .72rem;
  letter-spacing: .1em;
  color: var(--ink-faint);
  margin-bottom: .8rem;
}
.articulo-titulo{
  font-size: clamp(1.5rem, 2.6vw, 2.1rem);
  margin-bottom: 1rem;
}
.articulo-cuerpo{
  color: var(--ink-dim);
  max-width: 68ch;
}
.articulo-cuerpo p{ margin-bottom: 1.1em; }

/* ============ RESPONSIVE ============ */
@media (max-width: 860px){
  .frames{ grid-template-columns: 1fr; }
  /* FIX: antes era aspect-ratio: 16/10 (horizontal), lo que forzaba
     una caja apaisada para contenido vertical. Se mantiene vertical
     también en móvil, apilando los 3 recuadros en una columna. */
  .sobre-grid{ grid-template-columns: 1fr; }
  .catalogo{ grid-template-columns: 1fr; }
  .contacto-grid{ grid-template-columns: 1fr; }
  .timeline li{ grid-template-columns: 1fr; gap: .4rem; }
}

/* ============ TAMAÑOS DE TEXTO EN ESCRITORIO ============ */
@media (min-width: 861px){
  .brand-tag{ font-size: .78rem; }
  .hero-eyebrow{ font-size: .9rem; }
  .hero-content .btn{ font-size: .92rem; padding: 1rem 2.1rem; }
  .desktop-lg{ font-size: 1.15rem; }
  .hero-role{ white-space: nowrap; }
}

/* ============ MOTION PREFERENCES ============ */
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  .reveal-line span{ animation: none; transform: none; }
  .site-nav{ transition: none; }
  .frame img{ transition: none; }
}