:root{
  --bg:#0A1628; --bg2:#0F1F36; --bg3:#152843;
  --azul:#2E86AB; --azul-dk:#1A5F80; --teal:#34C3B5;
  --oro:#C9A84C; --oro-lt:#E8C96A;
  /* "Blanco" de la marca = niebla del Ebro (decisión 2026-07-07); --txt queda un
     punto por debajo para que los titulares sigan mandando en la jerarquía */
  --txt:#B0C2D1; --txt2:#7A9AB8; --txt3:#4A6A88; --blanco:#B8C7D4;
  --border:rgba(46,134,171,0.18); --border-oro:rgba(201,168,76,0.22);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
body{font-family:'IBM Plex Sans',system-ui,sans-serif;background:var(--bg);color:var(--txt);
  overflow-x:hidden;-webkit-font-smoothing:antialiased}

/* ── Capa fija: fondo, joya, nav ─────────────────────────────────── */
#bg{position:fixed;inset:0;z-index:0;pointer-events:none;
  background:
    radial-gradient(ellipse 60% 60% at 70% 46%, rgba(46,134,171,0.16) 0%, transparent 60%),
    radial-gradient(ellipse 50% 45% at 76% 72%, rgba(201,168,76,0.07) 0%, transparent 55%),
    linear-gradient(160deg,#081422 0%,#0B1A2C 45%,var(--bg) 100%)}
#bg::before{content:'';position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(46,134,171,0.045) 1px,transparent 1px),
    linear-gradient(90deg,rgba(46,134,171,0.045) 1px,transparent 1px);
  background-size:64px 64px;
  -webkit-mask-image:radial-gradient(ellipse 85% 90% at 66% 48%,#000 55%,transparent 100%);
          mask-image:radial-gradient(ellipse 85% 90% at 66% 48%,#000 55%,transparent 100%)}
.accent-bar{position:fixed;top:0;left:0;right:0;height:3px;z-index:6;
  background:linear-gradient(90deg,var(--azul) 0%,var(--oro) 55%,transparent 100%)}

/* Canvas fijo a pantalla completa; pan-y deja pasar el scroll táctil vertical */
#scene{position:fixed;inset:0;width:100%;height:100%;z-index:1;display:block;
  cursor:grab;touch-action:pan-y}
#scene:active{cursor:grabbing}

nav{position:fixed;top:0;left:0;right:0;z-index:5;
  display:flex;align-items:center;justify-content:space-between;padding:1.3rem 2.2rem;pointer-events:none}
.brand{font-family:'Syne',sans-serif;font-weight:800;font-size:1.05rem;letter-spacing:.06em;color:var(--blanco);pointer-events:auto}
.brand b{color:var(--azul)}
.nav-right{display:flex;align-items:center;gap:1.4rem;font-family:'IBM Plex Mono',monospace;
  font-size:.7rem;letter-spacing:.12em;text-transform:uppercase;color:var(--txt2)}
.nav-right .meta{display:flex;align-items:center;gap:.5rem}
.nav-right .dot{color:var(--teal)}
.nav-cta{pointer-events:auto;display:inline-flex;align-items:center;gap:.55rem;
  font-family:'Syne',sans-serif;font-weight:700;font-size:.78rem;letter-spacing:.02em;text-transform:none;
  color:#081422;background:linear-gradient(180deg,var(--oro-lt),var(--oro));
  border-radius:7px;padding:.6rem 1.05rem;text-decoration:none;
  box-shadow:0 6px 22px rgba(201,168,76,.18);transition:transform .2s,box-shadow .2s}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 10px 30px rgba(201,168,76,.28)}
.nav-cta .arw{transition:transform .2s}.nav-cta:hover .arw{transform:translateX(3px)}

/* ── Flujo de secciones (el texto pasa por encima de la joya) ─────── */
main{position:relative;z-index:3}
.sec{position:relative;min-height:100vh;min-height:100dvh;display:flex;align-items:center;
  padding:6rem 2.6rem;pointer-events:none}
.sec-right{justify-content:flex-end}
.sec-center{justify-content:center}

.eyebrow{font-family:'IBM Plex Mono',monospace;font-size:.7rem;letter-spacing:.24em;text-transform:uppercase;
  color:var(--oro);margin-bottom:1rem;display:flex;align-items:center;gap:.7rem}
.eyebrow::before{content:'';width:26px;height:2px;background:var(--oro);display:inline-block}
h1{font-family:'Syne',sans-serif;font-weight:800;line-height:1.02;letter-spacing:-.02em;
  font-size:clamp(2.3rem,4.6vw,4.2rem);color:var(--blanco);margin-bottom:1.2rem}
h1 .a{color:var(--azul)}
h2{font-family:'Syne',sans-serif;font-weight:800;line-height:1.08;letter-spacing:-.015em;
  font-size:clamp(1.7rem,3.2vw,2.6rem);color:var(--blanco);margin-bottom:1.2rem}
.sub,.panel p{font-size:clamp(.92rem,1.35vw,1.05rem);line-height:1.7;color:var(--txt2)}
.sub{max-width:30em;margin-bottom:1.5rem}
.sub b,.panel p b{color:var(--txt);font-weight:500}
.lead{margin-bottom:1.8rem}
.mail{pointer-events:auto;font-family:'IBM Plex Mono',monospace;font-size:.8rem;color:var(--txt2);
  text-decoration:none;border-bottom:1px solid transparent;transition:.2s}
.mail:hover{color:var(--teal);border-bottom-color:var(--teal)}

/* Héroe */
.hero-col{width:min(42%,540px);pointer-events:auto}
.scroll-cue{position:absolute;left:2.8rem;bottom:2rem;display:flex;flex-direction:column;align-items:center;gap:.6rem;
  font-family:'IBM Plex Mono',monospace;font-size:.6rem;letter-spacing:.22em;text-transform:uppercase;color:var(--txt3)}
.scroll-cue .chev{width:9px;height:9px;border-right:1px solid var(--teal);border-bottom:1px solid var(--teal);
  transform:rotate(45deg);animation:cue 1.9s ease-in-out infinite}
.scroll-cue .chev+.chev{margin-top:-14px;animation-delay:.18s}
@keyframes cue{0%,100%{opacity:.15;transform:rotate(45deg) translate(0,0)}
  50%{opacity:1;transform:rotate(45deg) translate(2px,2px)}}

/* Paneles de texto (con velo sutil para leer sobre la joya) */
.panel{pointer-events:auto;max-width:560px;padding:2.2rem 2.4rem;border-radius:14px;
  background:linear-gradient(180deg,rgba(8,20,34,.72),rgba(8,20,34,.5));
  border:1px solid var(--border)}
.panel p+p{margin-top:1rem}
.panel-wide{max-width:960px}

/* Territorios (qué hacemos) */
.grid4{display:grid;grid-template-columns:1fr 1fr;gap:1rem;margin-top:1.6rem}
.card{border:1px solid var(--border);border-radius:12px;padding:1.3rem 1.4rem;
  background:rgba(15,31,54,.55);transition:border-color .25s}
.card:hover{border-color:rgba(52,195,181,.45)}
.card h3{font-family:'Syne',sans-serif;font-weight:700;font-size:1rem;color:var(--blanco);margin-bottom:.5rem}
.card p{font-size:.88rem}

/* Las 5 etapas — sección larga con panel pegado */
.sec-etapas{position:relative;height:560vh;pointer-events:none}
.etapas-sticky{position:sticky;top:0;height:100vh;height:100dvh;display:flex;align-items:center;
  padding:0 2.6rem;pointer-events:none}
.etapas-panel{width:min(46%,560px)}
.etapas-dots{display:flex;gap:1rem;font-family:'IBM Plex Mono',monospace;font-size:.66rem;
  letter-spacing:.14em;color:var(--txt3);margin-bottom:1.4rem}
.etapas-dots span{transition:color .3s}
.etapas-dots span.on{color:var(--oro)}
.etapas-stack{position:relative;min-height:15rem}
.etapa{position:absolute;inset:0;opacity:0}
.etapa .num{font-family:'IBM Plex Mono',monospace;font-size:.7rem;letter-spacing:.2em;color:var(--oro)}
.etapa h3{font-family:'Syne',sans-serif;font-weight:800;font-size:clamp(1.5rem,2.6vw,2.1rem);
  color:var(--blanco);margin:.35rem 0 .8rem}
.etapas-cierre{font-size:.9rem;color:var(--txt3);border-top:1px solid var(--border);padding-top:1rem}

/* Proyectos */
.grid-proy{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:1rem;margin-top:1.6rem}
.proy{border:1px solid var(--border);border-radius:12px;padding:1.2rem 1.3rem;
  background:rgba(15,31,54,.55);transition:border-color .25s;display:flex;flex-direction:column;gap:.5rem}
.proy:hover{border-color:rgba(52,195,181,.45)}
.proy h3{font-family:'Syne',sans-serif;font-weight:700;font-size:.98rem;color:var(--blanco)}
.proy p{font-size:.85rem;flex:1}
.proy .tags{font-family:'IBM Plex Mono',monospace;font-size:.6rem;letter-spacing:.14em;
  text-transform:uppercase;color:var(--txt3)}
.proy-cta{border-style:dashed;border-color:var(--border-oro);background:rgba(201,168,76,.05)}
.proy-cta a{font-family:'Syne',sans-serif;font-weight:700;font-size:.85rem;color:var(--oro);text-decoration:none}
.proy-cta a:hover{color:var(--oro-lt)}

/* Contacto */
.panel-form{max-width:600px;width:100%}
#form-idea{display:flex;flex-direction:column;gap:.8rem;margin-top:.4rem}
#form-idea input[type=text],#form-idea input[type=email],#form-idea textarea{
  font:inherit;font-size:.92rem;color:var(--txt);background:rgba(8,20,34,.7);
  border:1px solid var(--border);border-radius:9px;padding:.85rem 1rem;outline:none;
  transition:border-color .2s}
#form-idea input:focus,#form-idea textarea:focus{border-color:rgba(52,195,181,.55)}
#form-idea textarea{min-height:8.5rem;resize:vertical}
#form-idea ::placeholder{color:var(--txt3)}
.hp{position:absolute;left:-5000px;opacity:0}
.btn{align-self:flex-start;display:inline-flex;align-items:center;gap:.55rem;cursor:pointer;
  font-family:'Syne',sans-serif;font-weight:700;font-size:.85rem;color:#081422;
  background:linear-gradient(180deg,var(--oro-lt),var(--oro));border:none;border-radius:8px;
  padding:.75rem 1.3rem;box-shadow:0 6px 22px rgba(201,168,76,.18);transition:transform .2s,box-shadow .2s,opacity .2s}
.btn:hover{transform:translateY(-2px);box-shadow:0 10px 30px rgba(201,168,76,.28)}
.btn:disabled{opacity:.55;cursor:default;transform:none}
#form-status{font-family:'IBM Plex Mono',monospace;font-size:.72rem;letter-spacing:.06em;color:var(--teal);min-height:1em}
.form-alt{margin-top:1.2rem;font-size:.85rem;color:var(--txt3)}
#contacto{flex-direction:column;justify-content:center;gap:0}
#contacto footer{margin-top:4rem;width:min(100%,960px);border-top:1px solid var(--border);
  padding:1.2rem 0 0;font-family:'IBM Plex Mono',monospace;font-size:.66rem;letter-spacing:.16em;
  text-transform:uppercase;color:var(--txt3);pointer-events:auto}
#contacto footer b{color:var(--azul)}

/* Pistas y preloader */
.hint{position:fixed;bottom:1.1rem;right:1.4rem;z-index:4;font-family:'IBM Plex Mono',monospace;
  font-size:.6rem;letter-spacing:.16em;text-transform:uppercase;color:var(--txt3);pointer-events:none;
  transition:opacity .5s}
.hint.hide{opacity:0}
#pre{position:fixed;inset:0;z-index:20;background:var(--bg);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1.1rem;transition:opacity .7s ease}
#pre.hide{opacity:0;pointer-events:none}
#pre .plogo{font-family:'Syne',sans-serif;font-weight:800;font-size:1.3rem;letter-spacing:.06em;color:var(--blanco)}
#pre .plogo b{color:var(--azul)}
#pre .bar{width:180px;height:2px;background:rgba(255,255,255,.08);border-radius:2px;overflow:hidden}
#pre .bar i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--azul),var(--oro));transition:width .25s}
#pre .plbl{font-family:'IBM Plex Mono',monospace;font-size:.64rem;letter-spacing:.2em;text-transform:uppercase;color:var(--txt3)}

/* ── Vertical (retrato): la joya vive arriba, el texto debajo ────── */
@media (orientation:portrait){
  /* Nav compacto: en 360-400px de ancho el CTA se salía de pantalla */
  nav{padding:1rem .9rem}
  .brand{font-size:.95rem}
  .nav-right{gap:.75rem}
  .nav-right .meta{gap:.2rem;letter-spacing:.08em}
  .nav-cta{padding:.5rem .7rem;font-size:.72rem;gap:.35rem}
  h1{font-size:clamp(2.1rem,7.5vw,3.2rem)}
  h2{font-size:clamp(1.45rem,6vw,2rem)}
  /* La joya vive en la banda superior del viewport; el texto se asienta abajo */
  .sec{padding:4.5rem 1.3rem 3.5rem;align-items:flex-end}
  .sec-right,.sec-center{justify-content:center}
  #contacto{align-items:center}   /* es columna: flex-end lo empujaría a la derecha */
  #inicio{align-items:flex-end}
  .hero-col{width:100%;padding-bottom:2.2rem;margin-top:49dvh}
  .scroll-cue{left:50%;transform:translateX(-50%);bottom:1rem}
  .panel{padding:1.6rem 1.4rem;max-width:none}
  /* Al entrar en cada sección la joya queda despejada en su banda superior;
     el panel (más alto que el viewport) desliza después por encima, con su velo */
  #quienes{padding-top:38dvh}
  #hacemos{padding-top:34dvh}
  #proyectos{padding-top:26dvh}
  .grid4{grid-template-columns:1fr}
  .etapas-sticky{align-items:flex-end;padding:0 1.3rem 1.6rem}
  .etapas-panel{width:100%}
  .etapas-stack{min-height:15.5rem}
  .etapa h3{font-size:clamp(1.3rem,5.5vw,1.7rem)}
  .hint{display:none}
}
/* Apaisado estrecho */
@media (max-width:820px) and (orientation:landscape){
  .nav-right .meta{display:none}
  .hero-col{width:min(46%,460px)}
  h1{font-size:clamp(1.8rem,5.5vw,2.7rem)}
  .hint{display:none}
}

/* ── Movimiento reducido: todo legible sin coreografía ───────────── */
body.reduce .sec-etapas{height:auto}
body.reduce .etapas-sticky{position:static;height:auto;padding-top:6rem;padding-bottom:6rem}
body.reduce .etapas-stack{min-height:0}
body.reduce .etapa{position:static;opacity:1;margin-bottom:1.8rem}
body.reduce .etapas-dots{display:none}
body.reduce .scroll-cue .chev{animation:none}
@media (prefers-reduced-motion:reduce){
  .scroll-cue .chev{animation:none}
}