/* ==========================================================================
   Gerardo Morrone · viajes personalizados
   Dirección «Torre» — el turno de noche.
   Paleta: azul de noche con temperatura real + un único acento ámbar.
   Movimiento: una orquestación por capítulo, raspada por el scroll.
   ========================================================================== */

:root{
  --noche:#121A2B;
  --noche-2:#0D1420;
  --noche-3:#080C14;
  --horizonte:#2B3C57;
  --ambar:#F0A94C;
  --ambar-claro:#F7C27E;
  --hueso:#E8E6E1;
  --hueso-72:rgba(232,230,225,.72);
  --hueso-58:rgba(232,230,225,.62);
  --hueso-52:rgba(232,230,225,.52);
  --hueso-20:rgba(232,230,225,.2);
  --hueso-12:rgba(232,230,225,.12);

  --sans:"Archivo",system-ui,-apple-system,sans-serif;
  --mono:"JetBrains Mono",ui-monospace,SFMono-Regular,monospace;

  --ease:cubic-bezier(.23,1,.32,1);          /* salida fuerte, para UI */
  --ease-mov:cubic-bezier(.77,0,.175,1);     /* movimiento en pantalla */

  --borde:clamp(18px,4.2vw,56px);
  --ancho:1240px;
  --nav-h:58px;
}

*,*::before,*::after{box-sizing:border-box}
html{background:var(--noche-2);-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--noche-2);color:var(--hueso);
  font-family:var(--sans);font-size:17px;line-height:1.62;font-weight:400;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
img,video{display:block;max-width:100%}
figure{margin:0}
a{color:inherit}
h1,h2,h3{font-weight:500;letter-spacing:-.03em;line-height:1.05;margin:0;text-wrap:balance}
p{margin:0}
::selection{background:var(--ambar);color:var(--noche)}
:focus-visible{outline:2px solid var(--ambar);outline-offset:3px;border-radius:2px}
[hidden]{display:none!important}
.oculto-visual{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* ---------- 1. barra ---------- */
.barra{
  position:fixed;inset:0 0 auto 0;z-index:60;
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  height:calc(var(--nav-h) + env(safe-area-inset-top,0px));
  padding:env(safe-area-inset-top,0px) var(--borde) 0;
  background:linear-gradient(to bottom,rgba(13,20,32,.86),rgba(13,20,32,0));
  backdrop-filter:blur(16px) saturate(150%);
  -webkit-backdrop-filter:blur(16px) saturate(150%);
  transition:background-color 260ms var(--ease);
}
.barra .marca{font-size:15.5px;font-weight:600;letter-spacing:-.015em;text-decoration:none;white-space:nowrap}
.barra .marca span{color:var(--hueso-58);font-weight:400}
.menu{display:flex;align-items:center;gap:clamp(14px,2.1vw,30px);font-size:14px}
.menu a{color:var(--hueso-72);text-decoration:none;transition:color 140ms var(--ease)}
.menu .escribir{color:var(--hueso);border:1px solid var(--hueso-20);padding:7px 14px;border-radius:2px}
@media(hover:hover) and (pointer:fine){
  .menu a:hover{color:var(--hueso)}
  .menu .escribir:hover{background:var(--hueso-12)}
}
.idioma{display:inline-flex;gap:6px;font-family:var(--mono);font-size:12px;color:var(--hueso-52);
  background:none;border:0;padding:6px 0;cursor:pointer;letter-spacing:.04em}
.idioma b{font-weight:500}
.idioma [aria-current="true"]{color:var(--hueso)}
@media(max-width:760px){
  .menu .solo-ancho{display:none}
}
@media(max-width:430px){
  .barra{gap:10px}
  .barra .marca span{display:none}
  .menu{gap:12px}
  .menu .escribir{padding:7px 11px;font-size:13.5px}
  .idioma{font-size:11.5px}
}

/* ---------- riel de progreso: es la ruta, y además informa ---------- */
.riel{position:fixed;left:0;top:0;bottom:0;width:2px;z-index:55;background:var(--hueso-12);pointer-events:none}
.riel i{position:absolute;left:0;top:0;width:2px;background:linear-gradient(to bottom,var(--ambar),var(--ambar-claro));
  height:0;box-shadow:0 0 10px rgba(240,169,76,.5)}
@media(max-width:760px){.riel{display:none}}

/* ---------- 2. hero ---------- */
.hero{position:relative;height:260vh}
.hero-fijo{position:sticky;top:0;height:100svh;overflow:hidden;background:var(--noche-3)}
.lienzo-hero{position:absolute;inset:0;overflow:hidden}
.hero-fondo,.hero-video{
  position:absolute;inset:-7%;width:114%;height:114%;
  object-fit:cover;object-position:center 42%;
  background:url(../img/01-ventanilla-amanecer-2000.webp) center 42%/cover no-repeat;
  will-change:transform;transform:translate3d(0,0,0) scale(1.1);
}
.hero-video{background:none;opacity:0;transition:opacity 700ms var(--ease)}
.hero-video[data-listo]{opacity:1}
/* bruma: dos manchas muy difusas que derivan — atmósfera, no decoración */
.bruma{position:absolute;inset:-25%;pointer-events:none;mix-blend-mode:screen;opacity:.5}
.bruma::before,.bruma::after{
  content:"";position:absolute;border-radius:50%;
  background:radial-gradient(closest-side,rgba(240,169,76,.16),rgba(240,169,76,0) 72%);
  filter:blur(28px);
}
.bruma::before{width:70%;height:42%;left:-6%;top:44%;animation:deriva-a 74s linear infinite}
.bruma::after{width:52%;height:34%;right:-4%;top:52%;
  background:radial-gradient(closest-side,rgba(148,180,228,.14),rgba(148,180,228,0) 72%);
  animation:deriva-b 96s linear infinite}
@keyframes deriva-a{
  0%{transform:translate3d(0,0,0)}50%{transform:translate3d(9%,-2.5%,0)}100%{transform:translate3d(0,0,0)}
}
@keyframes deriva-b{
  0%{transform:translate3d(0,0,0)}50%{transform:translate3d(-7%,2%,0)}100%{transform:translate3d(0,0,0)}
}
/* grano: el cielo liso se ve plano sin él */
.grano{position:absolute;inset:0;pointer-events:none;opacity:.22;z-index:3;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='180' height='180'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.82' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0.9 0 0 0 0 0.9 0 0 0 0 0.88 0 0 0 0.06 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>")}
.velo-hero{position:absolute;inset:0;z-index:2;
  background:
    radial-gradient(130% 92% at 50% 108%,rgba(8,12,20,.94),rgba(8,12,20,.1) 62%),
    linear-gradient(to bottom,rgba(8,12,20,.6),rgba(8,12,20,0) 38%);
}
.hero-texto{
  position:absolute;z-index:4;left:0;right:0;bottom:clamp(128px,20vh,220px);
  padding:0 var(--borde);max-width:var(--ancho);margin:0 auto;
  will-change:transform,opacity;
}
.hero-texto h1{font-size:clamp(2.3rem,6.6vw,5.6rem);letter-spacing:-.038em;max-width:19ch}
.hero-texto .bajada{margin-top:22px;max-width:47ch;color:var(--hueso-72);font-size:clamp(1rem,1.25vw,1.16rem)}
.pista{position:absolute;z-index:4;left:var(--borde);bottom:clamp(74px,11vh,124px);
  display:flex;align-items:center;gap:10px;font-family:var(--mono);font-size:11px;
  letter-spacing:.12em;color:var(--hueso-52);will-change:opacity}
.pista .flecha{width:1px;height:22px;background:linear-gradient(to bottom,var(--hueso-52),transparent);
  animation:baja 2.8s var(--ease) infinite}
@keyframes baja{0%{transform:translateY(-6px);opacity:0}40%{opacity:1}100%{transform:translateY(8px);opacity:0}}

/* franja de vuelo: datos del oficio, no etiquetas decorativas */
.franja{
  position:absolute;z-index:5;inset:auto 0 0 0;display:flex;flex-wrap:wrap;
  font-family:var(--mono);font-size:12px;letter-spacing:.02em;
  border-top:1px solid var(--hueso-12);
  background:rgba(8,12,20,.6);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  padding-bottom:env(safe-area-inset-bottom,0px);
}
.franja .celda{display:flex;align-items:center;gap:9px;white-space:nowrap;
  padding:13px clamp(13px,2.1vw,26px);border-right:1px solid rgba(232,230,225,.09)}
.franja .celda:last-child{flex:1 1 auto;border-right:0}
.franja i{font-style:normal;color:var(--hueso-52)}
.franja b{font-weight:500}
.franja .vivo{color:var(--ambar)}
.punto{width:6px;height:6px;border-radius:50%;background:var(--ambar);flex:none;
  animation:latido 2.8s var(--ease) infinite}
@keyframes latido{
  0%{box-shadow:0 0 0 0 rgba(240,169,76,.5)}
  70%{box-shadow:0 0 0 10px rgba(240,169,76,0)}
  100%{box-shadow:0 0 0 0 rgba(240,169,76,0)}
}
@media(max-width:860px){
  .franja{font-size:11px}
  .franja .celda{padding:11px 14px}
  .franja .celda-opcional{display:none}
  .franja .celda{border-right:0}
}

/* ---------- 3. capítulo: el turno de noche ---------- */
.turno{position:relative;height:300vh;background:var(--noche-2)}
.turno-fijo{position:sticky;top:0;height:100svh;display:grid;place-items:center;overflow:hidden;
  padding:calc(var(--nav-h) + 16px) 0 24px}
.turno-caja{width:min(960px,100%);padding:0 var(--borde)}
.turno h2{font-size:clamp(1.55rem,3.3vw,2.6rem);max-width:24ch}
.turno .nota{font-family:var(--mono);font-size:11.5px;color:var(--hueso-52);margin-top:10px;letter-spacing:.03em}
.bitacora{margin-top:clamp(26px,4vh,44px);position:relative}
.bitacora::before{content:"";position:absolute;left:0;top:0;width:1px;height:100%;background:var(--hueso-12)}
.bitacora .hilo{position:absolute;left:0;top:0;width:1px;height:0;
  background:linear-gradient(to bottom,var(--ambar),var(--ambar-claro));box-shadow:0 0 8px rgba(240,169,76,.45)}
.linea{display:grid;grid-template-columns:82px 1fr auto;gap:clamp(12px,2.2vw,28px);align-items:baseline;
  padding:17px 0 17px clamp(16px,2.4vw,28px);border-bottom:1px solid var(--hueso-12);
  will-change:transform,opacity}
.linea .hora{font-family:var(--mono);font-size:13px;color:var(--ambar)}
.linea .hecho{font-size:clamp(1rem,1.5vw,1.2rem);line-height:1.45}
.linea .hecho em{font-style:normal;color:var(--hueso-58)}
.linea .firma{font-family:var(--mono);font-size:11.5px;color:var(--hueso-52);text-align:right;letter-spacing:.03em}
@media(max-width:680px){
  .linea{grid-template-columns:58px 1fr;gap:11px;padding-left:14px}
  .linea .firma{grid-column:2;text-align:left;padding-top:5px}
}

/* ---------- 4. capítulo: lo que resuelve (foco con desenfoque) ---------- */
.resuelve{position:relative;height:320vh;background:var(--noche-3)}
.resuelve-fijo{position:sticky;top:0;height:100svh;overflow:hidden}
.resuelve-foto{position:absolute;inset:0}
.resuelve-foto img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
  opacity:0;transform:scale(1.07);transition:opacity 900ms var(--ease),transform 2400ms var(--ease)}
.resuelve-foto img[data-activa]{opacity:.55;transform:scale(1)}
.resuelve-velo{position:absolute;inset:0;background:
   linear-gradient(100deg,rgba(8,12,20,.94) 4%,rgba(8,12,20,.6) 46%,rgba(8,12,20,.82))}
.resuelve-rejilla>div:first-child{align-self:start}
.resuelve-rejilla{position:relative;height:100%;max-width:var(--ancho);margin:0 auto;
  padding:calc(var(--nav-h) + 40px) var(--borde) 40px;
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);gap:clamp(24px,5vw,70px);align-items:center}
.resuelve h2{font-size:clamp(1.6rem,3.5vw,2.8rem);max-width:17ch}
.resuelve .entrada{margin-top:18px;color:var(--hueso-72);max-width:38ch}
.lista{list-style:none;margin:0;padding:0;display:grid;gap:2px}
.lista li{padding:15px 0;border-bottom:1px solid var(--hueso-12);
  transition:opacity 420ms var(--ease),filter 420ms var(--ease);opacity:.3;filter:blur(1.6px)}
.lista li[data-foco]{opacity:1;filter:blur(0)}
.lista h3{font-size:clamp(1.02rem,1.5vw,1.22rem);letter-spacing:-.018em;display:flex;align-items:baseline;gap:11px}
.lista h3 .cod{font-family:var(--mono);font-size:11.5px;color:var(--ambar);letter-spacing:.06em;flex:none}
.lista p{margin-top:6px;color:var(--hueso-58);font-size:15.5px;line-height:1.5;padding-left:0}
@media(max-width:900px){
  .resuelve{height:auto}
  .resuelve-fijo{position:relative;height:auto}
  .resuelve-rejilla{grid-template-columns:1fr;height:auto;align-items:start;
    padding:clamp(64px,11vh,120px) var(--borde)}
  .lista li{opacity:1;filter:none}
  .resuelve-foto img[data-activa]{opacity:.3}
}

/* ---------- 5. capítulo: cómo trabaja (sí es una secuencia) ---------- */
.pasos{position:relative;background:var(--noche-2);padding:clamp(80px,14vh,160px) 0 clamp(70px,12vh,150px)}
.pasos-caja{max-width:var(--ancho);margin:0 auto;padding:0 var(--borde)}
.pasos h2{font-size:clamp(1.6rem,3.5vw,2.8rem);max-width:20ch}
.pasos .entrada{margin-top:16px;color:var(--hueso-72);max-width:46ch}
.tres{margin-top:clamp(40px,7vh,74px);display:grid;gap:clamp(26px,4vw,40px);
  grid-template-columns:repeat(3,minmax(0,1fr));position:relative}
.tres::before{content:"";position:absolute;left:0;right:0;top:11px;height:1px;background:var(--hueso-12)}
.paso{position:relative;padding-top:30px;will-change:transform,opacity}
.paso::before{content:"";position:absolute;left:0;top:7px;width:9px;height:9px;border-radius:50%;
  background:var(--noche-2);border:1px solid var(--ambar)}
.paso[data-visto]::before{background:var(--ambar)}
.paso .num{font-family:var(--mono);font-size:11.5px;color:var(--ambar);letter-spacing:.08em}
.paso h3{font-size:clamp(1.1rem,1.7vw,1.35rem);margin-top:10px;letter-spacing:-.02em}
.paso p{margin-top:10px;color:var(--hueso-58);font-size:15.5px;line-height:1.55}
@media(max-width:820px){
  .tres{grid-template-columns:1fr;gap:0}
  .tres::before{left:4px;right:auto;top:0;bottom:0;width:1px;height:auto}
  .paso{padding:22px 0 22px 28px}
  .paso::before{left:0;top:29px}
}

/* ---------- 6. destinos: tira horizontal raspada por el scroll ---------- */
.tira{position:relative;height:270vh;background:var(--noche-3)}
.tira-fijo{position:sticky;top:0;height:100svh;overflow:hidden;display:flex;flex-direction:column;
  justify-content:center;gap:clamp(16px,2.6vh,26px);padding:calc(var(--nav-h) + 14px) 0 20px}
.tira-cab{padding:0 var(--borde);max-width:var(--ancho);margin:0 auto;width:100%}
.tira-cab h2{font-size:clamp(1.5rem,3.2vw,2.5rem);max-width:22ch}
.tira-cab p{margin-top:12px;color:var(--hueso-58);max-width:44ch;font-size:16px}
.carro{display:flex;gap:clamp(14px,2vw,26px);padding:0 var(--borde);will-change:transform}
.carta{flex:none;width:clamp(210px,24vw,330px);border:1px solid var(--hueso-12);background:var(--noche-2)}
.carta .marco{aspect-ratio:3/4;overflow:hidden}
.carta img{width:100%;height:100%;object-fit:cover}
.carta figcaption{padding:13px 15px 15px}
.carta .lugar{font-size:16px;font-weight:500;letter-spacing:-.015em}
.carta .detalle{font-family:var(--mono);font-size:11.5px;color:var(--hueso-52);margin-top:6px;letter-spacing:.03em}
@media(max-width:900px){
  .tira{height:auto}
  .tira-fijo{position:relative;height:auto;padding:clamp(60px,10vh,104px) 0 clamp(44px,7vh,72px)}
  .carro{transform:none!important;overflow-x:auto;scroll-snap-type:x mandatory;
    scroll-padding-left:var(--borde);
    -webkit-overflow-scrolling:touch;scrollbar-width:none;padding-bottom:6px}
  .carro::-webkit-scrollbar{display:none}
  .carta{width:min(74vw,320px);scroll-snap-align:start}
}

/* ---------- 7. briefing ---------- */
.contacto{position:relative;background:var(--noche-3);overflow:hidden}
.contacto-foto{position:absolute;inset:-5%;background:url(../img/02-puerta-embarque-2000.webp) center/cover no-repeat;
  opacity:.34;will-change:transform}
.contacto-velo{position:absolute;inset:0;background:linear-gradient(to top,rgba(8,12,20,.96),rgba(8,12,20,.55))}
.contacto-caja{position:relative;max-width:var(--ancho);margin:0 auto;width:100%;
  padding:clamp(80px,14vh,160px) var(--borde) calc(clamp(70px,12vh,140px) + env(safe-area-inset-bottom,0px));
  display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:clamp(30px,6vw,80px);align-items:start}
.contacto h2{font-size:clamp(1.8rem,4.2vw,3.2rem);max-width:18ch}
.contacto .entrada{margin-top:18px;color:var(--hueso-72);max-width:38ch}
.vias{margin-top:30px;display:flex;flex-direction:column;gap:12px;align-items:flex-start}
.btn{display:inline-flex;align-items:center;gap:10px;padding:14px 22px;border-radius:2px;
  font-size:15px;font-family:var(--sans);text-decoration:none;border:0;cursor:pointer;
  transition:transform 130ms var(--ease),background-color 160ms var(--ease),border-color 160ms var(--ease)}
.btn-ambar{background:var(--ambar);color:#17202F;font-weight:500}
.btn-linea{background:none;border:1px solid var(--hueso-20);color:var(--hueso)}
.btn:active{transform:scale(.975)}
@media(hover:hover) and (pointer:fine){
  .btn-ambar:hover{background:var(--ambar-claro)}
  .btn-linea:hover{background:var(--hueso-12)}
}
.formulario{display:grid;gap:14px;grid-template-columns:1fr 1fr}
.campo{display:flex;flex-direction:column;gap:7px}
.campo-ancho{grid-column:1/-1}
.campo label{font-size:13.5px;letter-spacing:0;color:var(--hueso-58)}
.campo input,.campo select,.campo textarea{
  font-family:var(--sans);font-size:15.5px;color:var(--hueso);
  background:rgba(232,230,225,.05);border:1px solid var(--hueso-12);border-radius:2px;
  padding:12px 13px;width:100%;transition:border-color 160ms var(--ease),background-color 160ms var(--ease)}
.campo textarea{min-height:104px;resize:vertical;line-height:1.5}
.campo input:focus,.campo select:focus,.campo textarea:focus{
  border-color:var(--ambar);background:rgba(232,230,225,.08);outline:none}
.campo select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--hueso-58) 50%),
  linear-gradient(135deg,var(--hueso-58) 50%,transparent 50%);
  background-position:calc(100% - 17px) 50%,calc(100% - 12px) 50%;
  background-size:5px 5px,5px 5px;background-repeat:no-repeat;padding-right:34px}
.campo select option{background:var(--noche);color:var(--hueso)}
.legal{grid-column:1/-1;font-size:13px;color:var(--hueso-52);line-height:1.5}
.aviso{grid-column:1/-1;font-size:14.5px;line-height:1.5;padding:12px 14px;border-radius:2px;
  border:1px solid var(--hueso-12);background:rgba(232,230,225,.05)}
.aviso[data-tipo="ok"]{border-color:rgba(240,169,76,.5)}
.aviso[data-tipo="mal"]{border-color:rgba(226,120,100,.55);color:#F0C0B6}
.aviso[hidden]{display:none!important}
@media(max-width:900px){
  .contacto-caja{grid-template-columns:1fr}
  .formulario{grid-template-columns:1fr}
}

.trampa{position:absolute!important;left:-9999px!important;width:1px;height:1px;opacity:0;pointer-events:none}
.pie-marca{color:var(--hueso);font-family:var(--sans);font-size:14px;font-weight:600;letter-spacing:-.01em}
.enlace-ambar{color:var(--ambar);text-decoration:underline;text-underline-offset:2px}

/* marcador honesto: se ve, se lee y se borra de un solo sitio */
.pendiente{font-family:var(--mono);font-size:11.5px;letter-spacing:.05em;color:var(--ambar);
  border:1px dashed rgba(240,169,76,.5);padding:4px 8px;display:inline-block;border-radius:2px}

/* ---------- 8. pie ---------- */
.pie{background:var(--noche-3);border-top:1px solid var(--hueso-12);
  padding:clamp(38px,6vh,60px) var(--borde) calc(clamp(38px,6vh,60px) + env(safe-area-inset-bottom,0px))}
.pie-caja{max-width:var(--ancho);margin:0 auto;display:flex;flex-wrap:wrap;gap:20px 40px;
  justify-content:space-between;align-items:flex-start;
  font-family:var(--mono);font-size:11.5px;color:var(--hueso-52);letter-spacing:.03em}
.pie a{color:var(--hueso-58);text-decoration:none}
.pie .col{display:grid;gap:7px}

/* ---------- botón fijo de WhatsApp (sólo móvil) ---------- */
.wa-fijo{position:fixed;z-index:58;left:var(--borde);right:var(--borde);
  bottom:calc(14px + env(safe-area-inset-bottom,0px));display:none;
  justify-content:center;background:var(--ambar);color:#17202F;font-weight:500;
  padding:15px 20px;border-radius:3px;text-decoration:none;font-size:15.5px;
  box-shadow:0 10px 30px -8px rgba(0,0,0,.6);
  transform:translate3d(0,120%,0);transition:transform 320ms var(--ease)}
.wa-fijo[data-visible]{transform:translate3d(0,0,0)}
@media(max-width:760px){
  .wa-fijo{display:flex}
  /* hueco para que el botón fijo no tape el pie ni el legal del formulario */
  .pie{padding-bottom:calc(84px + env(safe-area-inset-bottom,0px))}
}

/* ---------- 9. movimiento reducido ---------- */
@media(prefers-reduced-motion:reduce){
  .bruma::before,.bruma::after,.punto,.pista .flecha{animation:none}
  .hero-fondo,.hero-video,.hero-texto,.linea,.paso,.carro,.contacto-foto,.bitacora .hilo,.riel i{
    transform:none!important}
  .lista li{opacity:1;filter:none}
  .resuelve-foto img{transition:opacity 260ms ease}
  .carro{overflow-x:auto;scroll-snap-type:x mandatory;scroll-padding-left:var(--borde)}
  *{scroll-behavior:auto!important}

  /* Sin movimiento no hay nada que raspar: los escenarios fijados se sueltan y
     la página vuelve a ser un documento normal. Scroll fijado + estado estático
     sería obligar a recorrer tres pantallas del mismo fotograma. */
  .hero{height:100svh}
  .turno,.resuelve,.tira{height:auto}
  .turno-fijo,.resuelve-fijo,.tira-fijo{position:relative;height:auto}
  .turno-fijo{padding:clamp(70px,12vh,130px) 0}
  .resuelve-rejilla{grid-template-columns:1fr;height:auto;align-items:start;
    padding:clamp(70px,12vh,130px) var(--borde)}
  .tira-fijo{padding:clamp(60px,10vh,110px) 0 clamp(50px,8vh,90px)}
  .carta{width:min(74vw,320px);scroll-snap-align:start}
}
@media(prefers-reduced-transparency:reduce){
  .barra{background:var(--noche-3);backdrop-filter:none}
  .franja{background:var(--noche-3);backdrop-filter:none}
}
@media(prefers-contrast:more){
  :root{--hueso-58:rgba(232,230,225,.85);--hueso-52:rgba(232,230,225,.72);--hueso-12:rgba(232,230,225,.3)}
}