/* ═══════════════════════════════════════════════════════════════
   AudASIN — "El Intervalo de Confianza"
   Identidad: Navy #001F3F domina, Gold #FFD700 solo sobre oscuro.
   Space Grotesk (display) + JetBrains Mono (datos, eyebrows, HUD).
   Diseñado a 390×844 primero; el escenario de cine es la adaptación.
   ═══════════════════════════════════════════════════════════════ */

:root{
  --navy:#001F3F;
  --navy-soft:#0A3060;
  --void:#000A14;          /* el negro del laboratorio, más profundo que navy */
  --gold:#FFD700;
  --gold-deep:#c9a800;
  --ice:#f7f8fa;
  --slate:#4A5568;
  --slate-l:#8899AA;
  --alert:#E53E3E;
  --ok:#28C840;
  --sans:'Space Grotesk',system-ui,-apple-system,sans-serif;
  --mono:'JetBrains Mono',ui-monospace,SFMono-Regular,Menlo,monospace;
  --pad:clamp(20px,5.4vw,40px);
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
html{background:var(--void);-webkit-text-size-adjust:100%}
body{
  font-family:var(--sans);
  background:var(--void);
  color:var(--ice);
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img,canvas{display:block;max-width:100%}
a{color:inherit}
h1,h2,h3,p{margin:0}

/* El tinte de la barra del navegador sigue a la película (iOS Safari 26+
   ignora el meta theme-color y muestrea el fondo del body al renderizar). */
@supports (animation-timeline: scroll()){
  html,body{animation:toolbar-shift linear both;animation-timeline:scroll(root)}
}
@keyframes toolbar-shift{
  0%{background:#000A14}
  22%{background:#12060c}   /* el coste: el navy se enrojece */
  48%{background:#001F3F}
  78%{background:#0A3060}
  100%{background:#001428}
}

/* ─────────────── PRELOADER ─────────────── */
#preloader{
  position:fixed;inset:0;z-index:120;
  background:radial-gradient(120% 90% at 50% 30%,#04182e 0%,#000A14 70%);
  display:grid;place-items:center;padding:var(--pad);
  transition:opacity .5s ease;
}
#preloader.gone{opacity:0;pointer-events:none}
.term{
  width:min(430px,100%);
  background:#02101f;
  border:1px solid rgba(255,215,0,.16);
  border-radius:10px;
  overflow:hidden;
  box-shadow:0 30px 90px rgba(0,0,0,.7);
  transform-origin:center;
  transition:transform .62s cubic-bezier(.5,0,.2,1),opacity .5s ease;
}
#preloader.gone .term{transform:scale(1.22);opacity:0}
.term-bar{
  display:flex;align-items:center;gap:7px;
  padding:9px 12px;background:var(--navy-soft);
  border-bottom:1px solid rgba(255,255,255,.07);
}
.dot{width:10px;height:10px;border-radius:50%;flex:0 0 auto}
.dot.r{background:#FF5F57}.dot.y{background:#FEBC2E}.dot.g{background:#28C840}
.term-title{
  font-family:var(--mono);font-size:10px;color:var(--slate-l);
  margin-left:6px;letter-spacing:.02em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.term-body{padding:18px 16px 16px;font-family:var(--mono);font-size:11.5px;line-height:2}
.term-line{color:var(--slate-l);opacity:0;transition:opacity .25s ease;display:flex;align-items:baseline}
.term-line.on{opacity:1}
.term-line b{color:var(--gold);font-weight:400;margin-right:6px}
.term-line s{flex:1;border-bottom:1px dotted rgba(136,153,170,.3);margin:0 8px;text-decoration:none;transform:translateY(-3px)}
.term-line em{color:var(--ok);font-style:normal}
.term-prog{height:2px;background:rgba(136,153,170,.18);margin:16px 0 10px;overflow:hidden}
#pl-bar{display:block;height:100%;width:0;background:var(--gold);transition:width .18s linear}
.term-foot{font-size:10.5px;color:var(--slate-l);letter-spacing:.06em}
.cur{color:var(--gold);animation:blink 1s steps(2) infinite}
@keyframes blink{50%{opacity:0}}

/* ─────────────── CHROME FIJO ─────────────── */
#hud{
  position:fixed;top:0;left:0;right:0;z-index:60;
  display:flex;align-items:center;gap:12px;
  padding:calc(env(safe-area-inset-top) + 14px) var(--pad) 14px;
  pointer-events:none;
  opacity:0;transition:opacity .6s ease .1s;
  color:var(--ice);
}
body.live #hud{opacity:1}
/* El HUD y el toggle son de la película: fuera de ella estorban al contenido */
body.past-film #hud,body.past-film #sound{opacity:0;pointer-events:none}
.hud-mark{font-family:var(--sans);font-weight:700;font-size:14px;letter-spacing:-.02em;color:currentColor}
.hud-mark b{color:var(--gold);font-weight:700}
.hud-chap{
  flex:1;text-align:right;font-family:var(--mono);font-size:9.5px;
  letter-spacing:.16em;text-transform:uppercase;color:var(--slate-l);
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.hud-track{
  position:fixed;top:0;left:0;right:0;height:2px;background:rgba(136,153,170,.14);
}
#hud-bar{display:block;height:100%;width:0;background:var(--gold);transform-origin:left}

/* Botones flotantes en la zona del pulgar */
.ui-btn{
  position:fixed;z-index:60;
  font-family:var(--mono);font-size:10px;letter-spacing:.12em;text-transform:uppercase;
  border:1px solid rgba(255,215,0,.34);
  background:rgba(0,10,20,.72);
  -webkit-backdrop-filter:blur(9px);backdrop-filter:blur(9px);
  color:var(--gold);
  border-radius:100px;
  cursor:pointer;
  text-decoration:none;
  opacity:0;transform:translateY(10px);
  transition:opacity .45s ease,transform .45s ease,background .25s ease;
}
body.live #sound{opacity:1;transform:none}
/* Debe ir DESPUÉS de la regla .live: misma especificidad, gana la última */
body.past-film #sound{opacity:0;pointer-events:none}
#sound{
  left:var(--pad);bottom:calc(env(safe-area-inset-bottom) + 18px);
  display:flex;align-items:center;gap:8px;padding:9px 14px 9px 12px;
}
.eq{display:flex;align-items:flex-end;gap:2.5px;height:11px}
.eq i{width:2.5px;height:3px;background:var(--gold);display:block;transition:height .2s ease}
#sound[aria-pressed="true"] .eq i{animation:eqbar .9s ease-in-out infinite}
#sound[aria-pressed="true"] .eq i:nth-child(2){animation-delay:.18s}
#sound[aria-pressed="true"] .eq i:nth-child(3){animation-delay:.36s}
@keyframes eqbar{0%,100%{height:3px}50%{height:11px}}
.pill{
  right:var(--pad);bottom:calc(env(safe-area-inset-bottom) + 18px);
  padding:12px 20px;
  background:var(--gold);color:var(--navy);border-color:var(--gold);
  font-weight:700;
  box-shadow:0 10px 30px rgba(255,215,0,.2);
}
.pill.on{opacity:1;transform:none}
.pill:active{transform:scale(.96)}

/* ─────────────── LA PELÍCULA ─────────────── */
#film{position:relative;height:820vh}
.stage{position:sticky;top:0;height:100dvh;overflow:hidden;background:var(--void)}
#bleed{position:absolute;inset:0;width:100%;height:100%;display:none}
.stage-inner{position:absolute;inset:0}
#viz{position:absolute;inset:0;width:100%;height:100%}

.grain{
  position:absolute;inset:-40%;pointer-events:none;opacity:.05;
  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='.9' numOctaves='3'/></filter><rect width='120' height='120' filter='url(%23n)' opacity='.5'/></svg>");
  mix-blend-mode:overlay;
  will-change:opacity;
}

/* Beats — superposiciones de texto sobre la película */
.beat{
  position:absolute;inset:0;
  display:flex;flex-direction:column;justify-content:center;
  padding:calc(env(safe-area-inset-top) + 74px) var(--pad) calc(env(safe-area-inset-bottom) + 104px);
  opacity:0;pointer-events:none;
  will-change:opacity,transform;
  isolation:isolate;              /* el velo (::before) debe quedar SOBRE el canvas */
}
.beat > *{pointer-events:none}
.beat a{pointer-events:auto}

/* El velo: la tipografía siempre gana a la nube de datos.
   El texto ocupa la mitad alta; la nube, la baja. */
.beat-cost,.beat-signal,.beat-econ,.beat-models{
  justify-content:flex-start;
  padding-top:calc(env(safe-area-inset-top) + 98px);
}
.beat-cost::before,.beat-signal::before,.beat-econ::before,.beat-models::before{
  content:'';position:absolute;inset:0;z-index:-1;
  background:linear-gradient(180deg,
    rgba(0,10,20,.96) 0%, rgba(0,10,20,.92) 28%,
    rgba(0,10,20,.58) 46%, rgba(0,10,20,0) 64%);
}
.beat-final::before{
  content:'';position:absolute;inset:0;z-index:-1;
  background:radial-gradient(130% 66% at 22% 48%,
    rgba(0,10,20,.94) 0%, rgba(0,10,20,.74) 42%, rgba(0,10,20,0) 76%);
}
.beat-parece::before{
  content:'';position:absolute;inset:0;z-index:-1;
  background:radial-gradient(80% 40% at 50% 50%,
    rgba(0,10,20,.86) 0%, rgba(0,10,20,.5) 55%, rgba(0,10,20,0) 80%);
}

.eyebrow{
  font-family:var(--mono);font-size:10px;letter-spacing:.18em;text-transform:uppercase;
  color:var(--gold);margin-bottom:18px;
}
.eyebrow.warn{color:var(--alert)}
.eyebrow.gold{color:var(--gold-deep)}

.big{
  font-size:clamp(2.5rem,11.5vw,5.5rem);
  line-height:.94;font-weight:700;letter-spacing:-.035em;text-transform:uppercase;
}
.big em{font-style:normal;color:var(--gold)}
.beat-cost .big em{color:var(--alert)}

.sub{
  margin-top:22px;font-size:clamp(.95rem,4vw,1.15rem);line-height:1.5;
  color:rgba(247,248,250,.72);max-width:34ch;
}
.sub b{color:var(--ice)}

/* Escena 1 — terminal */
.mini-term{
  font-family:var(--mono);font-size:clamp(.95rem,4.4vw,1.3rem);line-height:1.9;
  border-left:2px solid var(--gold);padding-left:16px;
}
.mini-term .q{
  display:block;font-size:10px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--slate-l);margin-top:14px;
}
.mini-term .q:first-child{margin-top:0}
.typed{color:var(--ice);min-height:1.9em}
.typed.alt{color:var(--gold)}
.typed::after{content:'_';color:var(--gold);animation:blink 1s steps(2) infinite}
.typed.done::after{content:''}
.clarity{
  margin-top:auto;padding-top:34px;
  font-size:clamp(.9rem,3.7vw,1.05rem);line-height:1.55;color:rgba(247,248,250,.66);
  max-width:32ch;
}
.clarity b{color:var(--ice);font-weight:500}
.scroll-cue{
  font-family:var(--mono);font-size:9.5px;letter-spacing:.2em;text-transform:uppercase;
  color:var(--slate-l);margin-top:22px;display:flex;align-items:center;gap:10px;
}
.scroll-cue i{display:block;width:34px;height:1px;background:var(--slate-l);transform-origin:left;animation:cue 1.9s ease-in-out infinite}
@keyframes cue{0%,100%{transform:scaleX(.3);opacity:.4}50%{transform:scaleX(1);opacity:1}}

/* Escena 2 — PARECE */
.beat-parece{justify-content:center;align-items:center;text-align:center}
.mega{
  display:flex;justify-content:center;
  font-size:clamp(3.4rem,19vw,11rem);font-weight:700;line-height:.86;
  letter-spacing:-.05em;color:var(--gold);
}
.mega span{display:inline-block;will-change:transform,opacity}
.beat-parece .sub{text-align:center;margin-top:26px}

.count{
  margin-top:26px;font-family:var(--mono);
  display:flex;align-items:baseline;gap:10px;
}
.count b{font-size:clamp(1.9rem,9vw,3rem);color:var(--gold);font-weight:700;letter-spacing:-.02em}
.count span{font-size:10px;letter-spacing:.16em;text-transform:uppercase;color:var(--slate-l)}

/* Finale */
.beat-final{justify-content:center}
.final-h{
  font-size:clamp(2.3rem,10.5vw,5rem);line-height:.95;font-weight:700;
  letter-spacing:-.035em;text-transform:uppercase;
}
.final-h em{font-style:normal;color:var(--gold)}
.cta-spring{
  align-self:flex-start;margin-top:34px;
  display:inline-block;padding:17px 30px;
  background:var(--gold);color:var(--navy);
  font-family:var(--mono);font-size:11.5px;font-weight:700;
  letter-spacing:.1em;text-transform:uppercase;text-decoration:none;
  border-radius:100px;
  will-change:transform;
  box-shadow:0 16px 44px rgba(255,215,0,.24);
}
.cta-spring:active{filter:brightness(.94)}

/* Lectura del modelo */
/* La pendiente es negativa: la esquina superior derecha del gráfico queda
   siempre vacía. Ahí vive la lectura del modelo, sin pisar los ejes. */
.readout{
  position:absolute;right:var(--pad);top:46.5%;
  font-family:var(--mono);opacity:0;transition:opacity .4s ease;
  pointer-events:none;text-align:right;
}
.ro{display:flex;align-items:baseline;justify-content:flex-end;gap:10px;line-height:1.7}
.ro span{font-size:9px;letter-spacing:.1em;color:var(--slate-l)}
.ro b{font-size:15px;color:var(--gold);font-weight:700;font-variant-numeric:tabular-nums;min-width:118px;text-align:right}
.ro-note{margin-top:9px;font-size:7.5px;letter-spacing:.07em;text-transform:uppercase;color:rgba(136,153,170,.5);white-space:nowrap}

/* Estación */
.station{
  position:absolute;left:0;right:0;
  bottom:calc(env(safe-area-inset-bottom) + 76px);
  display:flex;flex-direction:column;align-items:center;gap:14px;
  opacity:0;pointer-events:none;transition:opacity .4s ease;
  isolation:isolate;
}
.station.on{opacity:1;pointer-events:auto}
.station::before{
  content:'';position:absolute;left:50%;top:-18px;transform:translateX(-50%);
  width:min(340px,92vw);height:calc(100% + 46px);z-index:-1;pointer-events:none;
  background:radial-gradient(58% 50% at 50% 50%,rgba(0,10,20,.9) 0%,rgba(0,10,20,0) 72%);
}
.st-copy{
  font-family:var(--mono);font-size:10px;letter-spacing:.18em;text-transform:uppercase;
  color:var(--slate-l);text-align:center;line-height:1.9;
}
.st-copy b{color:var(--gold);font-weight:700}
.st-knob{
  position:relative;width:88px;height:88px;padding:0;border:0;background:none;
  cursor:pointer;touch-action:none;-webkit-tap-highlight-color:transparent;
}
.st-knob svg{width:100%;height:100%;transform:rotate(-90deg)}
.st-bg{fill:rgba(0,10,20,.6);stroke:rgba(255,215,0,.22);stroke-width:2}
.st-fg{
  fill:none;stroke:var(--gold);stroke-width:3;stroke-linecap:round;
  stroke-dasharray:276.5;stroke-dashoffset:276.5;
}
.st-core{
  position:absolute;inset:26px;border-radius:50%;
  background:var(--gold);opacity:.14;
  transition:opacity .2s ease,transform .2s ease;
}
.st-knob:active .st-core{opacity:.32;transform:scale(1.08)}
.st-iter{
  font-family:var(--mono);font-size:9px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--slate-l);font-variant-numeric:tabular-nums;
}

/* ─────────────── FALLBACK SIN MOVIMIENTO ─────────────── */
#static{display:none;padding:calc(env(safe-area-inset-top) + 90px) var(--pad) 80px;background:var(--navy)}
#static h1{font-size:clamp(2rem,9vw,3.4rem);line-height:1.02;font-weight:700;letter-spacing:-.03em;margin-bottom:22px}
#static .lead{color:rgba(247,248,250,.72);font-size:1.02rem;line-height:1.6;max-width:44ch;margin-bottom:32px}

/* ─────────────── DESPUÉS DE LA PELÍCULA ─────────────── */
#after{position:relative;z-index:2;background:var(--navy)}
.sec{padding:clamp(72px,15vw,140px) var(--pad)}
.sec-h{
  font-size:clamp(1.85rem,8.2vw,3.4rem);line-height:1.02;font-weight:700;
  letter-spacing:-.032em;color:var(--navy);margin-bottom:18px;
}
.sec-h.light{color:var(--ice)}
.sec-h em{font-style:normal;color:var(--gold-deep)}
.sec-h.light em{color:var(--gold)}
.sec-lead{color:var(--slate);font-size:1rem;line-height:1.62;max-width:46ch;margin-bottom:40px}
.sec-trust .sec-lead,.sec-cta .sec-lead{color:rgba(247,248,250,.68)}

/* La zona de aterrizaje: la película acaba en navy y se derrite hacia hielo */
/* Zona de aterrizaje en PÍXELES, no en %: con % el degradado depende del alto
   de la sección y el titular navy acaba cayendo sobre fondo aún oscuro. */
.sec-models{
  background:linear-gradient(180deg,var(--navy) 0,var(--navy) 46px,var(--ice) 264px,var(--ice) 100%);
  color:var(--navy);
  padding-top:312px;
}
.sec-models .eyebrow{color:var(--gold-deep)}
.grid9{display:grid;gap:14px}
.mcard{
  position:relative;background:#fff;border-left:3px solid var(--gold);
  padding:24px 22px 22px;
  box-shadow:0 1px 3px rgba(0,31,63,.07);
}
.mcard::before{
  content:attr(data-n);
  position:absolute;top:20px;right:20px;
  font-family:var(--mono);font-size:10px;letter-spacing:.1em;color:var(--slate-l);
}
.mcard h3{font-size:1.12rem;font-weight:700;color:var(--navy);letter-spacing:-.015em;margin-bottom:9px;padding-right:34px}
.mcard p{color:var(--slate);font-size:.92rem;line-height:1.58}
.mtag{
  display:inline-block;margin-top:14px;
  font-family:var(--mono);font-size:9px;letter-spacing:.12em;text-transform:uppercase;
  color:var(--slate-l);
}

.sec-trust{background:var(--navy)}
.trust3{display:grid;gap:30px}
.tcard{border-top:2px solid var(--gold);padding-top:20px}
.tnum{font-family:var(--mono);font-size:10px;letter-spacing:.16em;color:var(--gold);display:block;margin-bottom:12px}
.tcard h3{font-size:1.2rem;font-weight:700;margin-bottom:10px;letter-spacing:-.02em}
.tcard p{color:rgba(247,248,250,.66);font-size:.94rem;line-height:1.6}
.chips{display:flex;flex-wrap:wrap;gap:7px;margin-top:16px}
.chip{
  font-family:var(--mono);font-style:normal;font-size:8.5px;letter-spacing:.12em;text-transform:uppercase;
  padding:5px 10px;border-radius:100px;border:1px solid;
}
.chip.obs{color:var(--ok);border-color:rgba(40,200,64,.45)}
.chip.est{color:var(--gold);border-color:rgba(255,215,0,.45)}
.chip.exp{color:var(--slate-l);border-color:rgba(136,153,170,.4)}

.sec-kpi{background:var(--navy-soft);padding-top:clamp(56px,11vw,90px);padding-bottom:clamp(56px,11vw,90px)}
.kpis{display:grid;grid-template-columns:repeat(2,1fr);gap:34px 18px}
.kpi b{
  display:block;font-family:var(--mono);font-weight:700;
  font-size:clamp(2.1rem,10vw,3.2rem);color:var(--gold);
  letter-spacing:-.03em;font-variant-numeric:tabular-nums;line-height:1;
}
.kpi span{
  display:block;margin-top:10px;font-family:var(--mono);
  font-size:9px;letter-spacing:.14em;text-transform:uppercase;color:rgba(247,248,250,.5);
}
.kpi-note{margin-top:36px;font-size:.8rem;line-height:1.6;color:rgba(247,248,250,.44);max-width:52ch}

.sec-faq{background:var(--ice)}
.sec-faq .eyebrow{color:var(--gold-deep)}
.faq{border-top:1px solid rgba(0,31,63,.12)}
.faq details{border-bottom:1px solid rgba(0,31,63,.12)}
.faq summary{
  list-style:none;cursor:pointer;padding:20px 34px 20px 0;position:relative;
  font-weight:700;color:var(--navy);font-size:1.02rem;line-height:1.4;letter-spacing:-.015em;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
  content:'+';position:absolute;right:4px;top:19px;
  font-family:var(--mono);font-size:1.2rem;color:var(--gold-deep);transition:transform .25s ease;
}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq p{padding:0 0 22px;color:var(--slate);font-size:.95rem;line-height:1.62;max-width:56ch}

.sec-cta{background:var(--navy);position:relative;overflow:hidden}
.sec-cta::after{
  content:'';position:absolute;left:50%;top:-30%;width:120vw;height:60vh;transform:translateX(-50%);
  background:radial-gradient(50% 50% at 50% 50%,rgba(255,215,0,.10) 0%,transparent 70%);
  pointer-events:none;
}
.form{display:grid;gap:18px;max-width:440px;position:relative}
.form label{
  display:block;font-family:var(--mono);font-size:9.5px;
  letter-spacing:.14em;text-transform:uppercase;color:var(--slate-l);
}
.form input{
  display:block;width:100%;margin-top:9px;
  background:rgba(0,10,20,.5);
  border:1px solid rgba(136,153,170,.3);
  color:var(--ice);
  font-family:var(--sans);font-size:1rem;
  padding:14px 15px;border-radius:4px;
  transition:border-color .2s ease;
}
.form input:focus{outline:none;border-color:var(--gold)}
.form input::placeholder{color:rgba(136,153,170,.5)}
.form input:user-invalid{border-color:var(--alert)}
.btn-gold{
  display:inline-block;justify-self:start;
  padding:16px 30px;border:0;border-radius:100px;
  background:var(--gold);color:var(--navy);
  font-family:var(--mono);font-size:11.5px;font-weight:700;
  letter-spacing:.1em;text-transform:uppercase;text-decoration:none;
  cursor:pointer;
}
.btn-gold:active{filter:brightness(.94)}
.form-note{font-size:.76rem;color:rgba(136,153,170,.7);line-height:1.5}
.form-ok{border-left:3px solid var(--ok);padding:22px 24px;background:rgba(40,200,64,.07);max-width:440px}
.ok-mark{color:var(--ok);font-size:1.6rem;margin-bottom:8px}
.form-ok h3{font-size:1.2rem;margin-bottom:8px}
.form-ok p{color:rgba(247,248,250,.68);font-size:.95rem}
.direct{
  margin-top:46px;font-size:.92rem;line-height:1.8;color:rgba(247,248,250,.6);
}
.direct a{color:var(--gold);text-decoration:none;border-bottom:1px solid rgba(255,215,0,.3)}

.foot{
  background:var(--void);padding:56px var(--pad) calc(env(safe-area-inset-bottom) + 52px);
  border-top:1px solid rgba(255,215,0,.14);
}
.foot-mark{font-weight:700;font-size:1.25rem;letter-spacing:-.025em}
.foot-mark b{color:var(--gold)}
.foot-tag{
  font-family:var(--mono);font-size:10px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--gold);margin-top:12px;
}
.foot-meta{margin-top:14px;font-size:.8rem;color:rgba(136,153,170,.65);line-height:1.6}

/* Revelados de contenido (mejora progresiva: sin JS quedan visibles) */
.rv{opacity:0;transform:translateY(26px);transition:opacity .7s cubic-bezier(.2,.7,.2,1),transform .7s cubic-bezier(.2,.7,.2,1)}
.rv.in{opacity:1;transform:none}

/* ─────────────── TABLET ─────────────── */
@media (min-width:680px){
  .grid9{grid-template-columns:repeat(2,1fr);gap:18px}
  .trust3{grid-template-columns:repeat(3,1fr);gap:26px}
  .kpis{grid-template-columns:repeat(4,1fr)}
}

/* ─────────────── EL ESCENARIO DE CINE (escritorio) ─────────────── */
@media (min-width:1024px) and (pointer:fine){
  #bleed{display:block;filter:blur(60px) brightness(.95) saturate(1.6);transform:scale(1.14);opacity:.85}
  .stage-inner{
    left:50%;transform:translateX(-50%);
    width:min(42vw,660px);right:auto;
    box-shadow:0 0 0 1px rgba(255,215,0,.12),0 40px 120px rgba(0,0,0,.6);
    overflow:hidden;
  }
  /* Los márgenes son el teatro: el HUD vive fuera del escenario */
  #hud{padding-top:26px}
  .hud-chap{text-align:left;flex:0 0 auto;margin-left:26px}
  .hud-mark{font-size:15px}
  .beat{padding:96px 40px 108px}
  .readout{right:40px;top:46.5%}
  /* La tipografía escala con el ESCENARIO (~600px), no con el viewport:
     con vw se desborda del escenario y pisa el gráfico. */
  .big{font-size:3.15rem}
  .final-h{font-size:2.95rem}
  .mega{font-size:6rem}
  .sub{font-size:1rem;margin-top:20px}
  .clarity{font-size:.98rem}
  .mini-term{font-size:1.05rem}
  .count b{font-size:2.5rem}
  .ro b{font-size:14px;min-width:104px}
  .station{bottom:92px}
  #sound{left:32px;bottom:32px}
  .pill{right:32px;bottom:32px}
  .grid9{grid-template-columns:repeat(3,1fr)}
  .sec{padding:150px max(var(--pad),6vw)}
  .sec-h{max-width:18ch}
  .sec-cta .form{max-width:520px}
  .foot{padding:70px max(var(--pad),6vw) 70px}
}

/* Escritorio ancho: el escenario no debe empequeñecerse */
@media (min-width:1600px) and (pointer:fine){
  .stage-inner{width:min(34vw,700px)}
}

/* ─────────────── ACCESIBILIDAD ─────────────── */
:focus-visible{outline:2px solid var(--gold);outline-offset:3px}

@media (prefers-reduced-motion:reduce){
  #film,#hud,#sound,#pill,#preloader{display:none !important}
  #static{display:block}
  /* Sin película no hay costura que fundir: la zona de aterrizaje sobra */
  .sec-models{padding-top:clamp(72px,15vw,140px);background:var(--ice)}
  .rv{opacity:1;transform:none;transition:none}
  *{animation:none !important;transition:none !important}
}