*{box-sizing:border-box}
body{margin:0;background:var(--void);color:var(--text);
  font-family:'Instrument Sans',system-ui,sans-serif;-webkit-font-smoothing:antialiased}
body.bloqueado{overflow:hidden}
.wrap{max-width:1080px;margin:0 auto;padding:0 28px}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.grano{position:absolute;inset:0;opacity:.2;pointer-events:none;
  background-image:var(--img-grano);background-size:180px}

/* ============ splash ============ */
#splash{position:fixed;inset:0;z-index:100;background:var(--void);
  display:flex;align-items:center;justify-content:center;text-align:center;
  transition:opacity 900ms var(--ease),visibility 900ms}
#splash.fuera{opacity:0;visibility:hidden}
#splash .cielo-s{position:absolute;inset:0;background-image:var(--img-cielo);
  background-size:cover;background-position:center 32%;opacity:.55}
#splash .velo-s{position:absolute;inset:0;background:
  radial-gradient(ellipse 70% 55% at 50% 45%, rgba(8,8,10,.1) 0%, rgba(8,8,10,.7) 58%, rgba(8,8,10,.97) 100%)}
#splash .wrap{position:relative}
.saltar{position:absolute;bottom:38px;left:50%;transform:translateX(-50%);
  font-family:'JetBrains Mono',monospace;font-size:10px;letter-spacing:.2em;color:var(--text-3);
  opacity:0;animation:aparecer 700ms var(--ease) 1.5s forwards}

/* ============ tipografía compartida ============ */
.eyebrow{font-family:'JetBrains Mono',monospace;font-size:11px;letter-spacing:.26em;
  color:var(--accent-soft);margin:0 0 24px}
.identidad{font-size:15px;color:var(--text-2);margin:0 0 16px}
.identidad .nombre{color:var(--text);font-weight:600}
.identidad .sep{color:var(--text-3)}
.titular{margin:0;font-weight:500;letter-spacing:-.045em;line-height:1.02;
  font-size:clamp(2.4rem,7vw,4.7rem)}
.titular .serif{font-family:'Instrument Serif',serif;font-style:italic;font-weight:400;
  color:var(--accent-soft);letter-spacing:-.015em;font-size:clamp(2.7rem,7.9vw,5.3rem)}
.bajada{margin:24px auto 0;max-width:430px;font-size:16px;line-height:1.7;color:var(--text-2)}
.linea{overflow:hidden}
.linea>span{display:block;transform:translateY(105%);animation:subir 1s var(--ease) forwards}
@keyframes subir{to{transform:translateY(0)}}
.fade{opacity:0;animation:aparecer 900ms var(--ease) forwards}
@keyframes aparecer{to{opacity:1}}

.linea-animada{
  display: block;
  animation:deslizarizquierda 4.5s linear forwards;
  overflow: visible;
  & > span { display: block; animation-delay: 1.3s !important; }
}
@keyframes deslizarizquierda{
  0%   { transform: translateX(100vw); opacity: 0; }
  10%   { opacity: 0; } /* Mantiene invisible hasta el 7% */
  15%  { transform: translateX(0); opacity: 1; }
  85%  { transform: translateX(-25px); opacity: 1; }
  90%  { opacity: 0; } /* Es invisible al 93% */
  100% { transform: translateX(-100vw); opacity: 0; }
}

.linea-animada-derecha{
  display: block;
  animation:deslizarderecha 4.5s linear forwards;
  overflow: visible;
  & > span { display: block; animation-delay: 1.3s !important; }
}
@keyframes deslizarderecha{
  0%   { transform: translateX(-100vw); opacity: 0; }
  7%   { opacity: 0; } /* Mantiene invisible hasta el 7% */
  15%  { transform: translateX(0); opacity: 1; }
  85%  { transform: translateX(25px); opacity: 1; }
  93%  { opacity: 0; } /* Es invisible al 93% */
  100% { transform: translateX(100vw); opacity: 0; }
}

nav{position:fixed;top:0;left:0;right:0;z-index:50;display:flex;justify-content:space-between;
  align-items:center;padding:16px 30px;backdrop-filter:blur(14px);
  background:rgba(8,8,10,.42);border-bottom:1px solid rgba(255,255,255,.05)}
.marca{font-family:'JetBrains Mono',monospace;font-size:11px;letter-spacing:.22em;color:var(--text-2)}
.marca-nombre{letter-spacing:.04em}
@media(max-width:560px){ .marca-nombre{display:none} }
.enlaces{display:flex;gap:22px;align-items:center;font-size:13.5px;color:var(--text-2)}
.enlaces a{color:inherit;text-decoration:none;transition:color var(--dur-micro) var(--ease)}
.enlaces a:hover{color:var(--text)}
#lang{font-family:'JetBrains Mono',monospace;font-size:10.5px;letter-spacing:.1em;background:none;
  border:1px solid rgba(255,255,255,.14);color:var(--text-2);border-radius:100px;padding:6px 13px;
  cursor:pointer;transition:border-color var(--dur-micro) var(--ease),color var(--dur-micro) var(--ease)}
#lang:hover{border-color:var(--accent);color:var(--accent-soft)}

/* ============ escena del carrusel ============ */
.escena{position:relative;height:86svh;min-height:520px;overflow:hidden;
  display:flex;align-items:center;justify-content:center;
  touch-action:pan-y;user-select:none}

.diapo{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  opacity:0;pointer-events:none;
  transition:opacity var(--dur-relevo) var(--ease),
             transform var(--dur-relevo) var(--ease),
             filter var(--dur-relevo) var(--ease)}
.diapo.activa{opacity:1;transform:none !important;filter:none;pointer-events:auto}
.diapo.sin-transicion{transition:none}

.foto{
  position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
  width:min(86vw,912px);height:min(70svh,564px);
  background-size:cover;background-position:center;
  /* rectángulo redondeado + desenfoque en vez de elipse: conserva mucho más
     el contenido de las esquinas y sigue disolviendo los 4 bordes rectos */
  -webkit-mask-image:url("data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHZpZXdCb3g9IjAgMCA5MTIgNTY0Ij4KPGZpbHRlciBpZD0iYiIgeD0iLTYwJSIgeT0iLTYwJSIgd2lkdGg9IjIyMCUiIGhlaWdodD0iMjIwJSI+CjxmZUdhdXNzaWFuQmx1ciBzdGREZXZpYXRpb249IjM1Ii8+CjwvZmlsdGVyPgo8cmVjdCB4PSI4NSIgeT0iODUiIHdpZHRoPSI3NDIiIGhlaWdodD0iMzk0IiByeD0iODAiIHJ5PSI4MCIgZmlsbD0iI2ZmZiIgZmlsdGVyPSJ1cmwoI2IpIi8+Cjwvc3ZnPg==");
  mask-image:url("data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHZpZXdCb3g9IjAgMCA5MTIgNTY0Ij4KPGZpbHRlciBpZD0iYiIgeD0iLTYwJSIgeT0iLTYwJSIgd2lkdGg9IjIyMCUiIGhlaWdodD0iMjIwJSI+CjxmZUdhdXNzaWFuQmx1ciBzdGREZXZpYXRpb249IjM1Ii8+CjwvZmlsdGVyPgo8cmVjdCB4PSI4NSIgeT0iODUiIHdpZHRoPSI3NDIiIGhlaWdodD0iMzk0IiByeD0iODAiIHJ5PSI4MCIgZmlsbD0iI2ZmZiIgZmlsdGVyPSJ1cmwoI2IpIi8+Cjwvc3ZnPg==");
  -webkit-mask-size:100% 100%;mask-size:100% 100%;
  -webkit-mask-repeat:no-repeat;mask-repeat:no-repeat;
  -webkit-mask-position:center;mask-position:center;
}
/* una regla por textura en vez de estilo inline: así la ruta relativa de
   --img-tN (definida en tokens.css) se resuelve contra esta hoja de estilos,
   no contra index.html — si se aplicara vía style="" inline el navegador
   resuelve "../assets/..." relativo al documento y rompe la ruta */
.foto-t1{background-image:var(--img-t1)}
.foto-t2{background-image:var(--img-t2)}
.foto-t3{background-image:var(--img-t3)}
.foto-t4{background-image:var(--img-t4)}
.foto-t5{background-image:var(--img-t5)}
.diapo .contenido{position:relative;text-align:center;max-width:560px;padding:0 30px}
.numero{font-family:'JetBrains Mono',monospace;font-size:10.5px;letter-spacing:.24em;
  color:var(--accent-soft);margin:0 0 16px}
.etiqueta-proyecto{display:inline-block;margin:0 0 14px;font-family:'JetBrains Mono',monospace;
  font-size:9.5px;letter-spacing:.14em;text-transform:uppercase;color:#1B1235;
  background:var(--accent-soft);border-radius:100px;padding:5px 13px}
.diapo h2{margin:0 0 14px;font-weight:500;letter-spacing:-.035em;line-height:1.1;
  font-size:clamp(1.8rem,4.6vw,3rem)}
.diapo h2 em{font-family:'Instrument Serif',serif;font-style:italic;font-weight:400;
  color:var(--accent-soft)}
.diapo .desc{margin:0;font-size:15.5px;line-height:1.7;color:var(--text-2)}
.tags{margin-top:22px;display:flex;gap:7px;justify-content:center;flex-wrap:wrap}
.tags span{font-family:'JetBrains Mono',monospace;font-size:9.5px;letter-spacing:.08em;
  border:1px solid rgba(255,255,255,.15);border-radius:100px;padding:5px 11px;color:var(--text-2)}

/* controles */
.flecha{position:absolute;top:50%;transform:translateY(-50%);z-index:6;
  width:46px;height:46px;border-radius:50%;background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.12);color:var(--text-2);cursor:pointer;
  display:flex;align-items:center;justify-content:center;font-size:16px;
  transition:background var(--dur-micro) var(--ease),color var(--dur-micro) var(--ease),
             border-color var(--dur-micro) var(--ease)}
.flecha:hover{background:rgba(167,139,250,.16);color:var(--accent-soft);border-color:var(--accent)}
.flecha.izq{left:clamp(12px,3vw,40px)}
.flecha.der{right:clamp(12px,3vw,40px)}

.puntos{position:absolute;bottom:52px;left:50%;transform:translateX(-50%);z-index:6;
  display:flex;gap:9px}
.punto{width:6px;height:6px;border-radius:50%;background:rgba(255,255,255,.22);border:none;
  padding:0;cursor:pointer;transition:all var(--dur-micro) var(--ease)}
.punto.on{background:var(--accent);width:22px;border-radius:100px}

.pista-uso{position:absolute;bottom:22px;left:50%;transform:translateX(-50%);z-index:6;
  font-family:'JetBrains Mono',monospace;font-size:9.5px;letter-spacing:.2em;color:var(--text-3)}
.pista-uso .fl{display:inline-block;animation:vaiven 2.4s var(--ease) infinite}
@keyframes vaiven{0%,100%{transform:translateX(0)}50%{transform:translateX(4px)}}

/* ============ presentación (bajo el carrusel) ============ */
.presentacion{position:relative;min-height:100svh;display:flex;align-items:center;
  overflow:hidden;text-align:center;border-top:1px solid rgba(255,255,255,.06)}
.presentacion .cielo{position:absolute;inset:-8% 0 0 0;height:116%;background-image:var(--img-cielo);
  background-size:cover;background-position:center 30%;will-change:transform}
.presentacion .velo{position:absolute;inset:0;background:
  radial-gradient(ellipse 72% 58% at 50% 45%, rgba(8,8,10,.05) 0%, rgba(8,8,10,.6) 55%, rgba(8,8,10,.95) 100%),
  linear-gradient(180deg, rgba(8,8,10,.8) 0%, rgba(8,8,10,.3) 40%, rgba(8,8,10,.96) 100%)}
.presentacion .wrap{position:relative;padding-top:70px;padding-bottom:60px}
.acciones{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-top:32px}
.btn{font-size:14px;border-radius:100px;padding:13px 26px;text-decoration:none;display:inline-block;
  transition:transform var(--dur-micro) var(--ease),background var(--dur-micro) var(--ease),
  border-color var(--dur-micro) var(--ease)}
.btn-1{background:var(--accent);color:#1B1235;font-weight:500}
.btn-1:hover{transform:translateY(-2px);background:var(--accent-soft)}
.btn-2{border:1px solid rgba(255,255,255,.16);color:var(--text)}
.btn-2:hover{transform:translateY(-2px);border-color:var(--accent)}
.metricas-bloque{border-top:1px solid rgba(255,255,255,.08);margin-top:48px;padding-top:24px}
.metricas-nota{margin:0 0 20px;text-align:center;font-family:'JetBrains Mono',monospace;
  font-size:11px;letter-spacing:.14em;color:var(--text-3);text-transform:uppercase}
.metricas{display:flex;justify-content:center;gap:clamp(26px,7vw,70px);flex-wrap:wrap}
.metrica p:first-child{margin:0;font-family:'Instrument Serif',serif;font-size:38px;line-height:1}
.metrica p:last-child{margin:6px 0 0;font-size:12px;color:var(--text-3)}
.pct{color:var(--accent)}

/* ============ caso ============ */
.rev{opacity:0;transform:translateY(26px);
  transition:opacity var(--dur-macro) var(--ease),transform var(--dur-macro) var(--ease)}
.rev.visible{opacity:1;transform:none}
.claro{background:var(--cream);color:var(--ink);padding:110px 0}
.eyebrow-caso{font-family:'JetBrains Mono',monospace;font-size:11px;letter-spacing:.22em;
  color:#6B4FB0;margin:0 0 20px}
.claro h2{margin:0 0 18px;font-size:clamp(1.9rem,4.4vw,2.9rem);font-weight:500;
  letter-spacing:-.03em;line-height:1.15}
.claro h2 em{font-family:'Instrument Serif',serif;font-style:italic;color:#6B4FB0}
.claro p{font-size:16px;line-height:1.75;color:#57525E;max-width:520px}
.etapas{display:flex;gap:8px;margin:34px 0 26px;flex-wrap:wrap}
.etapa{border:none;background:rgba(107,79,176,.09);color:#4B3785;font-size:13px;border-radius:100px;
  padding:9px 19px;cursor:pointer;font-family:inherit;
  transition:background var(--dur-micro) var(--ease),color var(--dur-micro) var(--ease)}
.etapa[aria-selected="true"]{background:#6B4FB0;color:#F3EFE7}
.panel-caso{transition:opacity 600ms var(--ease),transform 600ms var(--ease);min-height:150px}
.panel-caso h3{margin:0 0 10px;font-family:'Instrument Serif',serif;font-style:italic;font-weight:400;
  font-size:clamp(1.6rem,3.6vw,2.2rem);color:var(--ink)}
.panel-caso .meta{margin:16px 0 0;font-family:'JetBrains Mono',monospace;font-size:11px;
  letter-spacing:.12em;color:#8A8393}

/* ============ caso 02: layout de dos columnas ============ */
.wrap-caso2{display:grid;grid-template-columns:1.15fr .85fr;gap:60px;align-items:center}
.caso2-media{position:relative}
.caso2-img{background-image:var(--img-caso2-cala);background-size:cover;background-position:center;aspect-ratio:4/5}
.caso2-img{width:100%;height:auto;display:block;border-radius:22px;
  box-shadow:0 40px 70px -30px rgba(20,10,40,.45)}
.caso2-texto .acciones{justify-content:flex-start;margin-top:30px}
@media(max-width:900px){
  .wrap-caso2{grid-template-columns:1fr;gap:36px}
  .caso2-media{order:-1}
}

footer{padding:96px 0 56px;text-align:center}
footer h2{font-size:clamp(1.8rem,4.6vw,2.8rem);font-weight:500;letter-spacing:-.03em;margin:0 0 18px}
footer h2 em{font-family:'Instrument Serif',serif;font-style:italic;color:var(--accent-soft)}
.credito{margin-top:56px;font-family:'JetBrains Mono',monospace;font-size:10.5px;
  letter-spacing:.1em;color:var(--text-3);line-height:2}

@media (max-width:640px){
  .flecha{width:40px;height:40px}
  .foto{width:96vw;height:52svh}
}
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{animation-duration:.01ms !important;transition-duration:.01ms !important}
  .linea>span{transform:none}
  .rev{opacity:1;transform:none}
}