/* ============================================================
   STUDIO BLASTER — Hoja de estilos
   Minimalism + Motion-Driven, con acentos OLED (glow de marca)
   ============================================================ */

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--color-surface);
  color:var(--color-text);
  font-family:var(--font-body);
  font-size:var(--sb-text-base);
  font-weight:400;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img,video{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
h1,h2,h3{margin:0;font-family:var(--font-heading);font-weight:800;letter-spacing:-.02em;line-height:1}

/* ------------------------------------------------------------
   Eje óptico abierto en titulares.
   Inter trae un eje `opsz` de 14 a 32: por defecto el navegador
   sube a 32 en tamaños grandes y ahí las aperturas se cierran y
   la letra se aprieta — que es justo lo que la acerca a Helvetica.
   Forzando el corte de texto (opsz 14) las formas quedan más
   abiertas y sueltas aunque el tamaño sea de titular.
   ------------------------------------------------------------ */
h1,h2,h3,
.hero__title,
.section__title,
.sobre__lead,
.diferencial__claim,
.partners__title,
.svc__name,
.work__name,
.menu__link,
.marquee__item{
  font-optical-sizing:none;
  font-variation-settings:"opsz" 14;
}
p{margin:0}
:focus-visible{outline:2px solid var(--color-accent-text);outline-offset:3px;border-radius:var(--sb-radius-sm)}

.u-shell{max-width:var(--sb-maxw);margin-inline:auto;padding-inline:var(--sb-gutter)}
.u-sr{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.u-skip{position:absolute;left:var(--sb-gutter);top:-100px;z-index:var(--sb-z-overlay);background:var(--color-accent);color:var(--btn-primary-text);padding:12px 20px;transition:top var(--sb-dur-fast) var(--sb-ease)}
.u-skip:focus{top:16px}

.label{
  font-family:var(--font-label);
  font-size:var(--label-size);
  letter-spacing:var(--label-tracking);
  text-transform:uppercase;
  color:var(--color-text-muted);
  font-weight:600;
}
.label--accent{color:var(--color-accent-text)}

/* ============================================================
   BOTONES
   ============================================================ */
.btn{
  position:relative;
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  height:var(--btn-height);padding-inline:var(--btn-padding-x);
  font-family:var(--font-body);font-size:var(--sb-text-base);font-weight:600;
  letter-spacing:-.01em;border-radius:var(--sb-radius-pill);
  isolation:isolate;
  /* El desplazamiento magnético entra por variables para no pisar el :active */
  transform:translate3d(var(--mx,0px),var(--my,0px),0);
  transition:background-color var(--sb-dur-fast) var(--sb-ease),
             border-color var(--sb-dur-fast) var(--sb-ease),
             color var(--sb-dur-fast) var(--sb-ease),
             box-shadow var(--sb-dur-base) var(--sb-ease),
             transform var(--sb-dur-base) var(--sb-ease);
  will-change:transform;
}
.btn__arrow{transition:transform var(--sb-dur-base) var(--sb-ease)}
.btn:hover .btn__arrow{transform:translateX(5px)}
.btn:active{transform:translate3d(var(--mx,0px),var(--my,0px),0) scale(.97)}

/* Primario: fondo de gradiente que se desplaza al hover (bg-animate) */
.btn--primary{
  color:var(--btn-primary-text);
  background:linear-gradient(100deg,
    var(--sb-orange-700) 0%,
    var(--sb-orange-600) 32%,
    var(--sb-orange-400) 55%,
    var(--sb-orange-600) 78%,
    var(--sb-orange-700) 100%);
  background-size:250% 100%;
  background-position:0% 50%;
  box-shadow:var(--glow-accent);
  transition:background-position 700ms var(--sb-ease-out-expo),
             box-shadow var(--sb-dur-base) var(--sb-ease),
             transform var(--sb-dur-fast) var(--sb-ease);
}
.btn--primary:hover{background-position:100% 50%;box-shadow:var(--glow-accent-strong)}

.btn--ghost{
  border:1px solid var(--btn-ghost-border);
  color:var(--btn-ghost-text);
  backdrop-filter:blur(6px);
  -webkit-backdrop-filter:blur(6px);
}
.btn--ghost:hover{background:var(--btn-ghost-bg-hover);border-color:var(--color-accent-text)}

.btn--sm{height:var(--btn-height-sm);padding-inline:24px;font-size:var(--sb-text-sm)}

/* ---------- Border beam: haz que recorre el borde ---------- */
.beam{position:relative;isolation:isolate}
.beam::before{
  content:"";
  position:absolute;inset:0;
  border-radius:inherit;
  padding:1.5px;
  background:conic-gradient(from var(--beam-angle,0deg),
    transparent 0deg,
    transparent 300deg,
    var(--beam-color) 340deg,
    #fff 352deg,
    var(--beam-color) 356deg,
    transparent 360deg);
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;
  mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  mask-composite:exclude;
  animation:sb-beam var(--beam-duration) linear infinite;
  pointer-events:none;
  z-index:2;
}
@property --beam-angle{syntax:"<angle>";initial-value:0deg;inherits:false}
@keyframes sb-beam{to{--beam-angle:360deg}}

/* ============================================================
   NAVEGACIÓN — se contrae en una "isla" flotante al scrollear
   ============================================================ */
.nav{
  position:fixed;inset:0 0 auto 0;z-index:var(--sb-z-nav);
  display:flex;justify-content:center;
  padding-inline:var(--sb-gutter);
  padding-top:0;
  transition:padding-top var(--sb-dur-slow) var(--sb-ease-out-expo);
  pointer-events:none;
}
.nav__bar{
  pointer-events:auto;
  display:flex;align-items:center;gap:var(--sb-space-3);
  width:100%;max-width:var(--sb-maxw);
  height:var(--nav-height);
  padding-inline:0;
  border:1px solid transparent;
  border-radius:0;
  background:transparent;
  transition:height var(--sb-dur-slow) var(--sb-ease-out-expo),
             max-width var(--sb-dur-slow) var(--sb-ease-out-expo),
             padding-inline var(--sb-dur-slow) var(--sb-ease-out-expo),
             background-color var(--sb-dur-slow) var(--sb-ease),
             border-color var(--sb-dur-slow) var(--sb-ease),
             border-radius var(--sb-dur-slow) var(--sb-ease-out-expo),
             box-shadow var(--sb-dur-slow) var(--sb-ease),
             backdrop-filter var(--sb-dur-slow) var(--sb-ease);
}
.nav.is-scrolled{padding-top:14px}
.nav.is-scrolled .nav__bar{
  height:var(--nav-height-scrolled);
  max-width:1040px;
  padding-inline:26px;
  border-radius:var(--sb-radius-pill);
  background:var(--nav-bg-scrolled);
  border-color:var(--color-border);
  box-shadow:0 18px 50px rgba(0,0,0,.5);
  backdrop-filter:blur(var(--nav-blur)) saturate(150%);
  -webkit-backdrop-filter:blur(var(--nav-blur)) saturate(150%);
}

.nav__brand{display:flex;align-items:center;margin-right:auto}
.nav__brand img{
  height:var(--nav-logo-height);width:auto;
  transition:height var(--sb-dur-slow) var(--sb-ease-out-expo),
             filter var(--sb-dur-base) var(--sb-ease);
}
.nav.is-scrolled .nav__brand img{height:var(--nav-logo-height-scrolled)}
.nav__brand:hover img{filter:drop-shadow(0 0 14px rgba(255,107,53,.6))}

.nav__links{display:flex;align-items:center;gap:var(--sb-space-3)}
/* Los links viven en su propia píldora con borde */
.nav__pill{
  padding:4px 22px;
  border:1px solid var(--color-border);
  border-radius:var(--sb-radius-pill);
  background:rgba(20,12,6,.42);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  transition:background-color var(--sb-dur-base) var(--sb-ease),border-color var(--sb-dur-base) var(--sb-ease);
}
.nav.is-scrolled .nav__pill{background:transparent;border-color:transparent;backdrop-filter:none;-webkit-backdrop-filter:none}
.nav__link{
  position:relative;display:inline-flex;align-items:baseline;gap:7px;
  font-size:var(--sb-text-sm);font-weight:500;color:var(--color-text);
  padding-block:12px;
  transition:color var(--sb-dur-fast) var(--sb-ease);
}
.nav__link .idx{
  font-size:var(--sb-text-2xs);font-weight:600;
  letter-spacing:.1em;color:var(--color-text-faint);
  transition:color var(--sb-dur-fast) var(--sb-ease);
}
.nav__link::after{
  content:"";position:absolute;left:0;bottom:4px;height:1.5px;width:100%;
  background:var(--color-accent-text);
  box-shadow:0 0 10px rgba(255,107,53,.7);
  transform:scaleX(0);transform-origin:right;
  transition:transform var(--sb-dur-base) var(--sb-ease);
}
.nav__link:hover::after,.nav__link[aria-current="true"]::after{transform:scaleX(1);transform-origin:left}
.nav__link:hover,.nav__link[aria-current="true"]{color:var(--color-accent-text)}
.nav__link:hover .idx{color:var(--color-accent-text)}

.nav__end{display:flex;align-items:center;gap:var(--sb-space-2)}
.nav__meta{display:flex;align-items:center;gap:9px;white-space:nowrap}
.nav__meta .dot{
  width:6px;height:6px;border-radius:50%;background:var(--sb-orange-400);
  box-shadow:0 0 10px rgba(255,107,53,.9);
  animation:sb-pulse 2.6s infinite;
}
@keyframes sb-pulse{0%{box-shadow:0 0 0 0 rgba(255,107,53,.6),0 0 10px rgba(255,107,53,.9)}70%{box-shadow:0 0 0 8px rgba(255,107,53,0),0 0 10px rgba(255,107,53,.9)}100%{box-shadow:0 0 0 0 rgba(255,107,53,0),0 0 10px rgba(255,107,53,.9)}}

.nav__burger{display:none;width:46px;height:46px;align-items:center;justify-content:center;margin-right:-10px}
.nav__burger span{display:block;width:22px;height:2px;background:var(--color-text);transition:transform var(--sb-dur-base) var(--sb-ease),opacity var(--sb-dur-fast) var(--sb-ease)}
.nav__burger span+span{margin-top:6px}
.nav__burger[aria-expanded="true"] span:nth-child(1){transform:translateY(8px) rotate(45deg)}
.nav__burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav__burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}

/* Menú móvil */
.menu{
  position:fixed;inset:0;z-index:var(--sb-z-overlay);
  display:flex;flex-direction:column;justify-content:center;
  gap:var(--sb-space-2);padding:var(--sb-gutter);
  background:var(--color-surface-sunken);
  opacity:0;visibility:hidden;
  transition:opacity var(--sb-dur-base) var(--sb-ease),visibility 0s linear var(--sb-dur-base);
}
.menu.is-open{
  opacity:1;visibility:visible;
  transition:opacity var(--sb-dur-base) var(--sb-ease),visibility 0s linear 0s;
}
.menu__link{
  display:flex;align-items:baseline;gap:14px;
  font-family:var(--font-heading);font-size:var(--sb-text-2xl);font-weight:800;letter-spacing:-.02em;
  padding-block:12px;border-bottom:1px solid var(--color-border);
  opacity:0;transform:translateY(16px);
  transition:opacity var(--sb-dur-slow) var(--sb-ease),transform var(--sb-dur-slow) var(--sb-ease),color var(--sb-dur-fast) var(--sb-ease);
}
.menu__link:hover{color:var(--color-accent-text)}
.menu.is-open .menu__link{opacity:1;transform:none}
.menu.is-open .menu__link:nth-of-type(1){transition-delay:60ms}
.menu.is-open .menu__link:nth-of-type(2){transition-delay:110ms}
.menu.is-open .menu__link:nth-of-type(3){transition-delay:160ms}
.menu__link .idx{font-size:var(--sb-text-xs);font-weight:600;letter-spacing:.1em;color:var(--color-accent-text)}
.menu__foot{margin-top:var(--sb-space-3);display:flex;flex-direction:column;gap:var(--sb-space-1)}

/* ============================================================
   HERO
   ============================================================ */
.hero{
  position:relative;
  min-height:100svh;
  display:flex;flex-direction:column;
  padding-top:calc(var(--nav-height) + var(--sb-space-2));
  overflow:hidden;
  isolation:isolate;
}

/* Fila superior: contexto a la izquierda, dónde y con qué a la derecha */
.hero__top{
  width:100%;max-width:var(--sb-maxw);margin-inline:auto;
  padding-inline:var(--sb-gutter);
  display:flex;justify-content:space-between;align-items:flex-start;
  gap:var(--sb-space-3);
}
.hero__blurb,.hero__tag{
  font-size:var(--sb-text-sm);line-height:1.5;
  color:var(--color-text-muted);
}
.hero__blurb{max-width:34ch}
.hero__tag{text-align:right;white-space:nowrap}

/* --- Capas de fondo, de atrás hacia adelante --- */
.hero__media{position:absolute;inset:-8% 0 0 0;z-index:-5;background:var(--color-surface-sunken);will-change:transform}
.hero__media video,.hero__media img{
  width:100%;height:116%;object-fit:cover;
  filter:var(--hero-video-filter);
}

/* Tinte de marca: empuja el metraje hacia el naranja Blaster */
.hero__tint{
  position:absolute;inset:0;z-index:-4;pointer-events:none;
  opacity:var(--hero-tint-opacity);
  mix-blend-mode:color;
  background:linear-gradient(135deg,var(--sb-orange-700) 0%,var(--sb-orange-500) 45%,var(--sb-orange-800) 100%);
}
/* Bloom naranja: la luz de marca entrando por arriba a la derecha.
   Contenido arriba, lejos de la zona de texto, para no generar bandas. */
.hero__bloom{
  position:absolute;inset:0;z-index:-3;pointer-events:none;
  mix-blend-mode:screen;
  background:
    radial-gradient(52% 34% at 80% 10%,rgba(255,107,53,.34) 0%,rgba(255,107,53,0) 72%),
    radial-gradient(38% 26% at 10% 16%,rgba(192,68,10,.22) 0%,rgba(192,68,10,0) 74%);
}
/* Scrim: devuelve el negro cálido como base real y funde con la página */
.hero__scrim{
  position:absolute;inset:0;z-index:-2;pointer-events:none;
  background:
    linear-gradient(180deg,rgba(11,5,3,.86) 0%,rgba(11,5,3,.30) 22%,rgba(11,5,3,.80) 62%,var(--sb-black-900) 100%),
    radial-gradient(125% 95% at 10% 92%,rgba(11,5,3,.82) 0%,rgba(11,5,3,0) 60%);
}
/* Panel de lectura: apaga por completo la estructura del video detrás de la copy.
   Es un degradado suave de borde a borde — no deja cantos ni bandas. */
.hero__panel{
  position:absolute;left:0;right:0;bottom:0;height:78%;z-index:-2;pointer-events:none;
  background:linear-gradient(180deg,
    rgba(11,5,3,0) 0%,
    rgba(11,5,3,.55) 26%,
    rgba(11,5,3,.82) 58%,
    rgba(11,5,3,.9) 100%);
}
/* Viñeta */
.hero__vignette{
  position:absolute;inset:0;z-index:-2;pointer-events:none;
  box-shadow:inset 0 0 190px 70px rgba(11,5,3,.85);
}
/* Grano de película */
.hero__grain{
  position:absolute;inset:0;z-index:-1;pointer-events:none;opacity:.06;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* --- Contenido --- */
/* Contenido centrado, como la referencia */
.hero__inner{
  flex:1;
  width:100%;max-width:var(--sb-maxw);margin-inline:auto;
  padding-inline:var(--sb-gutter);padding-bottom:var(--sb-space-4);
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  text-align:center;
  will-change:transform,opacity;
}

.hero__eyebrow{
  display:inline-flex;align-items:center;gap:11px;
  padding:9px 18px 9px 14px;margin-bottom:var(--sb-space-3);
  border:1px solid var(--color-border-accent);
  border-radius:var(--sb-radius-pill);
  background:rgba(192,68,10,.12);
  backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
}
.hero__eyebrow .dot{
  width:6px;height:6px;border-radius:50%;background:var(--sb-orange-400);
  box-shadow:0 0 10px rgba(255,107,53,.9);animation:sb-pulse 2.6s infinite;
}

.hero__title{
  font-size:var(--sb-text-display);
  font-weight:800;
  line-height:.94;
  letter-spacing:-.02em;
  max-width:19ch;
  margin-bottom:var(--sb-space-4);
  text-shadow:0 6px 60px rgba(11,5,3,.7);
}
/* Revelado palabra por palabra (FadeInStagger portado a vanilla) */
.hero__title .w{display:inline-block;overflow:hidden;vertical-align:top}
.hero__title .w > span{
  display:inline-block;
  transform:translateY(110%);
  transition:transform var(--sb-dur-reveal) var(--sb-ease-out-expo);
}
.hero__title.is-in .w > span{transform:none}
.hero__title em{
  font-style:normal;
  color:var(--sb-orange-400);
  text-shadow:0 0 55px rgba(255,107,53,.55);
}

/* ---------- Barrido brillante sobre el acento ----------
   Un gradiente más ancho que el texto se desplaza en bucle;
   background-clip:text hace que solo se vea dentro de las letras. */
.shiny{
  background:linear-gradient(100deg,
    var(--sb-orange-600) 38%,
    var(--sb-gray) 50%,
    var(--sb-orange-500) 62%);
  background-size:250% 100%;
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;color:transparent;
  text-shadow:none;
  animation:sb-shine 3s linear infinite;
}
@keyframes sb-shine{
  from{background-position:200% 0}
  to{background-position:-60% 0}
}
@supports not ((-webkit-background-clip:text) or (background-clip:text)){
  .shiny{background:none;color:var(--sb-orange-400);-webkit-text-fill-color:currentColor;animation:none}
}

.hero__lead{
  max-width:44ch;
  font-size:var(--sb-text-xl);
  font-weight:400;
  line-height:1.5;
  letter-spacing:-.01em;
  color:var(--color-text-muted);
  margin-bottom:var(--sb-space-4);
}
.hero__actions{display:flex;flex-wrap:wrap;gap:var(--sb-space-2)}

/* --- Marquesina de servicios a sangre --- */
.marquee{
  position:relative;
  border-top:1px solid var(--color-border);
  border-bottom:1px solid var(--color-border);
  background:rgba(11,5,3,.42);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  overflow:hidden;
  padding-block:20px;
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);
  mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);
}
.marquee__track{
  display:flex;width:max-content;
  animation:sb-marquee 34s linear infinite;
  will-change:transform;
}
.marquee:hover .marquee__track{animation-play-state:paused}
@keyframes sb-marquee{from{transform:translate3d(0,0,0)}to{transform:translate3d(-50%,0,0)}}
.marquee__item{
  display:inline-flex;align-items:center;gap:16px;
  padding-inline:26px;
  font-family:var(--font-heading);
  font-size:clamp(1rem,1.5vw,1.375rem);
  font-weight:700;letter-spacing:-.02em;
  color:var(--color-text);
  white-space:nowrap;
}
.marquee__item .star{color:var(--sb-orange-400);font-size:.8em;text-shadow:0 0 14px rgba(255,107,53,.8)}

/* Indicador de scroll */
.hero__cue{
  position:absolute;right:var(--sb-gutter);bottom:120px;
  display:flex;flex-direction:column;align-items:center;gap:12px;
}
.hero__cue .line{width:1.5px;height:52px;background:linear-gradient(180deg,var(--sb-orange-400) 0%,rgba(255,107,53,0) 100%);animation:sb-drop 2.4s var(--sb-ease) infinite}
@keyframes sb-drop{0%{transform:scaleY(0);transform-origin:top}55%{transform:scaleY(1);transform-origin:top}56%{transform:scaleY(1);transform-origin:bottom}100%{transform:scaleY(0);transform-origin:bottom}}

/* ============================================================
   REVEAL AL SCROLL
   ============================================================ */
[data-reveal]{
  opacity:0;
  transform:translate3d(0,38px,0) scale(.985);
  transition:opacity 700ms var(--sb-ease-out-expo),
             transform 700ms var(--sb-ease-out-expo);
  will-change:transform,opacity;
}
[data-reveal].is-in{opacity:1;transform:none}

/* ============================================================
   BOTÓN FLOTANTE DE WHATSAPP
   ============================================================ */
.fab{
  position:fixed;z-index:var(--sb-z-fab);
  right:max(var(--fab-offset),env(safe-area-inset-right));
  bottom:max(var(--fab-offset),env(safe-area-inset-bottom));
  display:flex;align-items:center;flex-direction:row-reverse;
  height:var(--fab-size);
  opacity:0;transform:translateY(14px) scale(.9);pointer-events:none;
  transition:opacity var(--sb-dur-slow) var(--sb-ease),transform var(--sb-dur-slow) var(--sb-ease);
}
.fab.is-visible{opacity:1;transform:none;pointer-events:auto}
.fab__icon{
  position:relative;
  flex:0 0 var(--fab-size);width:var(--fab-size);height:var(--fab-size);
  display:grid;place-items:center;border-radius:50%;
  background:var(--fab-bg);color:#fff;
  box-shadow:0 10px 32px rgba(0,0,0,.5),0 0 0 rgba(255,107,53,0);
  transition:box-shadow var(--sb-dur-base) var(--sb-ease),transform var(--sb-dur-base) var(--sb-ease);
}
.fab__icon svg{width:31px;height:31px;fill:currentColor;position:relative;z-index:1}
.fab:hover .fab__icon,.fab:focus-visible .fab__icon{box-shadow:0 12px 38px rgba(255,107,53,.45);transform:scale(1.05)}
.fab:active .fab__icon{transform:scale(.96)}
.fab__text{
  display:flex;align-items:center;height:46px;
  max-width:0;overflow:hidden;white-space:nowrap;
  margin-right:-24px;padding-left:24px;padding-right:0;
  border-radius:var(--sb-radius-pill);
  background:var(--color-surface-raised);
  border:1px solid var(--color-border);
  color:var(--color-text);
  font-size:var(--sb-text-sm);font-weight:600;
  opacity:0;
  transition:max-width var(--sb-dur-slow) var(--sb-ease),padding-right var(--sb-dur-slow) var(--sb-ease),opacity var(--sb-dur-base) var(--sb-ease);
}
.fab:hover .fab__text,.fab:focus-visible .fab__text{max-width:260px;padding-right:22px;opacity:1}
.fab__halo{
  position:absolute;inset:0;border-radius:50%;
  border:2px solid var(--fab-bg);
  animation:sb-halo 2.8s var(--sb-ease) infinite;
  pointer-events:none;
}
@keyframes sb-halo{0%{opacity:.65;transform:scale(1)}70%{opacity:0;transform:scale(1.32)}100%{opacity:0;transform:scale(1.32)}}

/* ============================================================
   BANDA CLARA
   Reasigna la capa semántica dentro del bloque: los componentes
   no saben nada del cambio, solo leen sus tokens.
   ============================================================ */
.band--light{
  --color-surface:var(--sb-gray);
  --color-surface-raised:var(--sb-white);
  --color-text:var(--sb-black-900);
  --color-text-muted:rgba(18,16,14,.64);
  --color-text-faint:rgba(18,16,14,.42);
  --color-accent-text:var(--sb-orange-700);   /* 6.1:1 sobre el fondo claro */
  --color-border:rgba(18,16,14,.13);
  --color-border-strong:rgba(18,16,14,.28);
  --color-border-accent:rgba(192,68,10,.40);
  --btn-ghost-border:rgba(18,16,14,.28);
  --btn-ghost-text:var(--sb-black-900);
  --btn-ghost-bg-hover:rgba(18,16,14,.06);

  position:relative;
  background:var(--color-surface);
  color:var(--color-text);
}
/* Sin degradados en los bordes: corte limpio entre el negro y el claro. */
.band--light > *{position:relative;z-index:1}

/* ============================================================
   SECCIONES DE CONTENIDO
   ============================================================ */
.section__shell{max-width:var(--sb-maxw);margin-inline:auto;padding-inline:var(--sb-gutter)}
.section__title{
  font-size:var(--sb-text-3xl);
  font-weight:300;color:var(--color-text);
  line-height:1.02;letter-spacing:-.02em;
  margin-top:var(--sb-space-2);
  max-width:20ch;
}
.section__title strong{font-weight:800}
.section__title em{font-style:normal;color:var(--color-accent-text)}

/* ---------- Sobre nosotros ---------- */
.sobre{position:relative}

/* ============================================================
   SERVICIOS — tarjetas parejas con aire
   Dos por fila, la quinta ocupa el ancho completo.
   Las tarjetas se estiran a la altura de su fila, así ninguna
   corta el texto ni queda con el fondo suelto.
   ============================================================ */
.svc{
  display:grid;grid-template-columns:repeat(2,1fr);
  gap:var(--sb-space-2);
  margin-top:var(--sb-space-5);
  align-items:stretch;
}
.svc__card{
  position:relative;overflow:hidden;isolation:isolate;
  display:flex;flex-direction:column;gap:var(--sb-space-2);
  padding:var(--sb-space-4) var(--sb-space-3) var(--sb-space-3);
  border:1px solid var(--color-border);
  border-radius:var(--sb-radius-xl);
  background:var(--color-surface-raised);
  transition:transform var(--sb-dur-slow) var(--sb-ease-out-expo),
             border-color var(--sb-dur-base) var(--sb-ease),
             box-shadow var(--sb-dur-slow) var(--sb-ease);
}
.svc__card--full{grid-column:1 / -1}

/* Filete naranja que crece sobre el borde superior */
.svc__card::after{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;
  background:var(--color-accent);
  transform:scaleX(0);transform-origin:left;
  transition:transform var(--sb-dur-slow) var(--sb-ease-out-expo);
}
.svc__card:hover{
  transform:translateY(-4px);
  border-color:var(--color-border-accent);
  box-shadow:0 20px 48px rgba(18,16,14,.12);
}
.svc__card:hover::after{transform:scaleX(1)}

.svc__body{display:flex;flex-direction:column;gap:12px}
.svc__idx{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:50%;
  border:1px solid var(--color-border-accent);
  font-size:var(--sb-text-xs);font-weight:700;letter-spacing:.06em;
  color:var(--color-accent-text);
  transition:background-color var(--sb-dur-base) var(--sb-ease),
             color var(--sb-dur-base) var(--sb-ease);
}
.svc__card:hover .svc__idx{background:var(--color-accent);color:var(--sb-white)}

.svc__name{
  font-size:var(--sb-text-2xl);font-weight:800;letter-spacing:-.02em;line-height:1.1;
}
.svc__desc{
  font-size:var(--sb-text-base);line-height:1.62;
  color:var(--color-text-muted);
  max-width:52ch;
}

@media (max-width:820px){
  .svc{grid-template-columns:1fr}
  .svc__card{padding:var(--sb-space-3)}
}

/* ============================================================
   TRABAJOS — seis tarjetas idénticas, con barrido de luz
   ============================================================ */
.work{
  display:grid;grid-template-columns:repeat(3,1fr);
  gap:var(--sb-space-2);
  margin-top:var(--sb-space-5);
}
.work__card > a{
  position:relative;display:block;overflow:hidden;isolation:isolate;
  aspect-ratio:4 / 5;            /* todas exactamente iguales */
  border:1px solid var(--color-border);
  border-radius:var(--sb-radius-xl);
  background:var(--color-surface-sunken);
  transition:transform var(--sb-dur-slow) var(--sb-ease-out-expo),
             border-color var(--sb-dur-base) var(--sb-ease),
             box-shadow var(--sb-dur-slow) var(--sb-ease);
}
.work__card > a:hover{
  transform:translateY(-8px);
  border-color:var(--color-border-accent);
  box-shadow:0 28px 64px rgba(0,0,0,.55);
}

.work__media{position:absolute;inset:0;display:block}
.work__media img{
  width:100%;height:100%;object-fit:cover;
  filter:saturate(.85) brightness(.72);
  transform:scale(1.03);
  transition:transform 1000ms var(--sb-ease-out-expo),filter var(--sb-dur-slow) var(--sb-ease);
}
.work__card > a:hover .work__media img{transform:scale(1.1);filter:saturate(1.05) brightness(.85)}

/* Barrido de luz diagonal al pasar el mouse */
.work__shine{
  position:absolute;inset:0;z-index:1;pointer-events:none;
  background:linear-gradient(115deg,
    rgba(244,242,240,0) 38%,
    rgba(244,242,240,.14) 50%,
    rgba(244,242,240,0) 62%);
  transform:translateX(-120%);
  transition:transform 900ms var(--sb-ease-out-expo);
}
.work__card > a:hover .work__shine{transform:translateX(120%)}

.work__info{
  position:absolute;left:0;right:0;bottom:0;z-index:2;
  display:grid;grid-template-columns:auto 1fr auto;
  align-items:center;gap:14px;
  padding:var(--sb-space-3) var(--sb-space-2);
  background:linear-gradient(0deg,rgba(10,9,8,.92) 0%,rgba(10,9,8,.55) 55%,rgba(10,9,8,0) 100%);
}
.work__num{
  font-family:var(--font-heading);
  font-size:var(--sb-text-lg);font-weight:800;letter-spacing:-.02em;
  color:var(--color-accent-text);
  font-optical-sizing:none;font-variation-settings:"opsz" 14;
}
.work__text{display:flex;flex-direction:column;gap:1px;min-width:0}
.work__name{
  font-family:var(--font-heading);
  font-size:var(--sb-text-xl);font-weight:800;letter-spacing:-.02em;line-height:1.12;
  color:var(--sb-gray);
}
.work__rubros{font-size:var(--sb-text-xs);color:rgba(244,242,240,.62)}
.work__go{
  display:grid;place-items:center;width:38px;height:38px;border-radius:50%;
  border:1px solid rgba(244,242,240,.3);color:var(--sb-gray);
  opacity:.5;
  transition:opacity var(--sb-dur-base) var(--sb-ease),
             transform var(--sb-dur-base) var(--sb-ease-out-expo),
             background-color var(--sb-dur-base) var(--sb-ease),
             border-color var(--sb-dur-base) var(--sb-ease);
}
.work__card > a:hover .work__go{
  opacity:1;transform:rotate(-45deg);
  background:var(--color-accent);border-color:transparent;
}

@media (max-width:1024px){ .work{grid-template-columns:repeat(2,1fr)} }
@media (max-width:600px){ .work{grid-template-columns:1fr} }

/* ============================================================
   PARTNERS — carrusel automático
   La pista lleva el contenido duplicado y se desplaza media
   pista: al llegar al 50% el bucle es invisible.
   ============================================================ */
.partners__rail{
  margin-top:var(--sb-space-5);
  padding-block:var(--sb-space-3);
  border-top:1px solid var(--color-border);
  border-bottom:1px solid var(--color-border);
  overflow:hidden;
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 10%,#000 90%,transparent);
  mask-image:linear-gradient(90deg,transparent,#000 10%,#000 90%,transparent);
}
.partners__track{
  display:flex;align-items:center;width:max-content;
  gap:var(--sb-space-6);
  animation:sb-slide 32s linear infinite;
  will-change:transform;
}
.partners__rail:hover .partners__track{animation-play-state:paused}
@keyframes sb-slide{
  from{transform:translate3d(0,0,0)}
  to{transform:translate3d(-50%,0,0)}
}
.partners__track span{display:grid;place-items:center;flex:0 0 auto}
.partners__track img{
  height:42px;width:auto;object-fit:contain;
  filter:grayscale(1) brightness(2.2);
  opacity:.55;
  transition:opacity var(--sb-dur-base) var(--sb-ease),filter var(--sb-dur-base) var(--sb-ease);
}
.partners__track span:hover img{opacity:1;filter:none}

@media (max-width:640px){
  .partners__track{gap:var(--sb-space-4)}
  .partners__track img{height:32px}
}

/* ============================================================
   NOSOTROS — encabezado centrado y dos columnas iguales
   ============================================================ */
.sobre__head{
  display:flex;flex-direction:column;align-items:center;gap:var(--sb-space-2);
  text-align:center;
}
.sobre__lead{
  font-size:var(--sb-text-3xl);
  font-weight:300;line-height:1.14;letter-spacing:-.02em;
  max-width:22ch;margin:0 auto;
  color:var(--color-text);
}
.sobre__lead em{font-style:normal;font-weight:800;color:var(--color-accent-text)}

.sobre__grid{
  display:grid;grid-template-columns:1fr 1fr;gap:var(--sb-space-3);
  margin-top:var(--sb-space-5);
  padding-top:var(--sb-space-4);
  border-top:1px solid var(--color-border);
  align-items:stretch;
}
.sobre__texto,
.sobre__dif{
  display:flex;flex-direction:column;gap:var(--sb-space-2);
  padding:var(--sb-space-3);
  border:1px solid var(--color-border);
  border-radius:var(--sb-radius-xl);
  background:var(--color-surface-raised);
}
.sobre__dif{border-color:var(--color-border-accent)}
.sobre__texto p{font-size:var(--sb-text-base);line-height:1.66;color:var(--color-text-muted)}
.sobre__dif-texto{font-size:var(--sb-text-base);line-height:1.66;color:var(--color-text-muted)}
.sobre__dif-claim{
  font-family:var(--font-heading);
  font-size:var(--sb-text-xl);font-weight:800;line-height:1.3;letter-spacing:-.02em;
  color:var(--color-text);
  margin-top:auto;padding-top:var(--sb-space-2);
  border-top:1px solid var(--color-border);
  font-optical-sizing:none;font-variation-settings:"opsz" 14;
}
.sobre__dif-claim em{font-style:normal;color:var(--color-accent-text)}

@media (max-width:900px){
  .sobre__grid{grid-template-columns:1fr;gap:var(--sb-space-2)}
}

/* ============================================================
   ESQUINAS REDONDEADAS ENTRE SECCIONES
   Cada bloque monta sobre el anterior, sin cantos duros.
   ============================================================ */
.band--light,
.round-top{
  border-top-left-radius:var(--sb-radius-xxl);
  border-top-right-radius:var(--sb-radius-xxl);
}
.round-top{
  position:relative;z-index:2;
  margin-top:calc(var(--sb-radius-xxl) * -0.7);
  background:var(--color-surface);
}
.band--light{position:relative;z-index:2;margin-top:calc(var(--sb-radius-xxl) * -0.7)}
/* El hero no monta sobre nada */
.hero + .partners{margin-top:0}

/* ============================================================
   TITULARES EN GRADIENTE
   ============================================================ */
/* Titulares en color plano: el degradé ensuciaba la lectura */
.grad{color:var(--color-text)}

/* ============================================================
   TEXTO CARÁCTER POR CARÁCTER
   ============================================================ */
.chars{color:var(--color-text-faint)}
.chars .ch{
  transition:opacity 120ms linear,color 120ms linear;
  opacity:.2;
}
.chars .ch.on{opacity:1;color:var(--color-text)}



/* ============================================================
   REEL DE TRABAJOS — se desplaza con el scroll, no solo
   Dos filas en sentidos opuestos. El desplazamiento lo calcula
   el JS a partir de la posición de scroll de la sección.
   ============================================================ */
.reel{
  display:flex;flex-direction:column;gap:12px;
  padding-block:var(--sb-space-6);
  overflow:hidden;
  background:var(--color-surface);
}
.reel__row{overflow:hidden}
.reel__track{
  display:flex;gap:12px;width:max-content;
  will-change:transform;
}
.reel__track img{
  flex:0 0 auto;
  width:420px;height:270px;
  object-fit:cover;
  border-radius:var(--sb-radius-lg);
  filter:saturate(.92) brightness(.9);
  transition:filter var(--sb-dur-base) var(--sb-ease),transform var(--sb-dur-base) var(--sb-ease);
}
.reel__track img:hover{filter:none;transform:scale(1.02)}

@media (max-width:760px){
  .reel__track img{width:280px;height:180px}
  .reel{padding-block:var(--sb-space-4) var(--sb-space-3)}
}

/* ============================================================
   PARTNERS — "Empresas que confían en nosotros"
   ============================================================ */


/* ============================================================
   CONTACTO
   ============================================================ */
.contacto__grid{
  display:grid;grid-template-columns:1.25fr .75fr;gap:var(--sb-space-5);
  margin-top:var(--sb-space-5);align-items:start;
}

.form{display:flex;flex-direction:column;gap:var(--sb-space-3)}
.form__row{display:grid;grid-template-columns:1fr 1fr;gap:var(--sb-space-3)}
.field{display:flex;flex-direction:column;gap:9px}
.field label{
  font-size:var(--sb-text-sm);font-weight:600;color:var(--color-text);
  letter-spacing:-.01em;
}
.field .req{color:var(--color-accent-text)}
.field input,.field select,.field textarea{
  width:100%;
  min-height:52px;
  padding:14px 16px;
  font-family:var(--font-body);font-size:var(--sb-text-base);
  color:var(--color-text);
  background:var(--color-surface-raised);
  border:1px solid var(--color-border);
  border-radius:var(--sb-radius-md);
  transition:border-color var(--sb-dur-fast) var(--sb-ease),
             box-shadow var(--sb-dur-fast) var(--sb-ease),
             background-color var(--sb-dur-fast) var(--sb-ease);
}
.field textarea{resize:vertical;min-height:132px;line-height:1.6}
.field select{appearance:none;cursor:pointer;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 8'%3E%3Cpath fill='%23A79B90' d='M1 1.5 6 6.5l5-5'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 18px center;background-size:12px;
  padding-right:44px;
}
.field input:hover,.field select:hover,.field textarea:hover{border-color:var(--color-border-strong)}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;
  border-color:var(--color-accent-text);
  box-shadow:0 0 0 3px rgba(255,107,53,.18);
}
.field input::placeholder,.field textarea::placeholder{color:var(--color-text-faint)}
.field__hint{font-size:var(--sb-text-sm);color:var(--color-text-faint)}
.field__error{
  font-size:var(--sb-text-sm);color:var(--sb-orange-400);
  display:flex;align-items:center;gap:7px;
}
.field__error::before{content:"!";display:grid;place-items:center;width:16px;height:16px;border-radius:50%;background:var(--sb-orange-600);color:#fff;font-size:11px;font-weight:700}
.field.is-invalid input,.field.is-invalid textarea{border-color:var(--sb-orange-500)}

.form__submit{align-self:flex-start;margin-top:var(--sb-space-1)}
.form__submit[disabled]{opacity:.55;cursor:not-allowed}
.form__status{font-size:var(--sb-text-sm);color:var(--color-text-muted);min-height:1.2em}
.form__status.is-ok{color:var(--sb-orange-400)}

.contacto__aside{
  padding:var(--sb-space-3);
  border:1px solid var(--color-border);
  border-radius:var(--sb-radius-lg);
  background:var(--color-surface-raised);
}
.contacto__pitch{font-size:var(--sb-text-lg);line-height:1.55;color:var(--color-text-muted)}
.contacto__wa{width:100%;margin-top:var(--sb-space-2)}
.contacto__data{margin:var(--sb-space-3) 0 0;border-top:1px solid var(--color-border)}
.contacto__data .stat dd a{
  border-bottom:1px solid transparent;
  transition:color var(--sb-dur-fast) var(--sb-ease),border-color var(--sb-dur-fast) var(--sb-ease);
}
.contacto__data .stat dd a:hover{color:var(--color-accent-text);border-bottom-color:var(--color-accent-text)}

@media (max-width:1024px){
  .partners__card{grid-template-columns:1fr;gap:var(--sb-space-3)}
  .contacto__grid{grid-template-columns:1fr;gap:var(--sb-space-4)}
}
@media (max-width:600px){
  .form__row{grid-template-columns:1fr}
  .partners__card{padding:var(--sb-space-3)}
  .contacto{padding-block:var(--sb-space-4) var(--sb-space-5)}
  .form__submit{align-self:stretch}
}

/* ============================================================
   FOOTER
   ============================================================ */
.foot{position:relative;overflow:hidden;border-top:1px solid var(--color-border);background:var(--color-surface-sunken)}
.foot__glow{
  position:absolute;inset:auto 0 -60% 0;height:120%;pointer-events:none;
  background:
    radial-gradient(60% 70% at 78% 100%,rgba(192,68,10,.34) 0%,rgba(192,68,10,0) 68%),
    radial-gradient(48% 60% at 12% 100%,rgba(255,107,53,.16) 0%,rgba(255,107,53,0) 70%);
}
.foot__inner{
  position:relative;z-index:1;
  display:grid;grid-template-columns:1.5fr .75fr .75fr;gap:var(--sb-space-4);
  padding-block:var(--sb-space-5) var(--sb-space-4);
}
.foot__brand img{height:38px;width:auto;margin-bottom:var(--sb-space-2)}
.foot__brand p{max-width:36ch;color:var(--color-text-muted);line-height:1.6}
.foot__social{display:flex;gap:10px;margin-top:var(--sb-space-3)}
.foot__social a{
  display:grid;place-items:center;width:44px;height:44px;border-radius:50%;
  border:1px solid var(--color-border);
  transition:background-color var(--sb-dur-base) var(--sb-ease),
             border-color var(--sb-dur-base) var(--sb-ease),
             transform var(--sb-dur-base) var(--sb-ease-out-expo);
}
.foot__social a:hover{background:rgba(192,68,10,.2);border-color:var(--color-border-accent);transform:translateY(-3px)}
.foot__social svg{width:19px;height:19px;fill:currentColor}

.foot__col{display:flex;flex-direction:column;gap:12px}
.foot__col h3{
  font-size:var(--sb-text-2xs);font-weight:600;letter-spacing:.16em;text-transform:uppercase;
  color:var(--color-text-faint);margin-bottom:6px;
}
.foot__col a,.foot__col span{font-size:var(--sb-text-sm);color:var(--color-text-muted);width:fit-content}
.foot__col a{transition:color var(--sb-dur-fast) var(--sb-ease),transform var(--sb-dur-fast) var(--sb-ease)}
.foot__col a:hover{color:var(--color-accent-text);transform:translateX(3px)}

.foot__bar{position:relative;z-index:1;border-top:1px solid var(--color-border)}
.foot__bar-inner{
  display:flex;justify-content:space-between;gap:var(--sb-space-2);flex-wrap:wrap;
  padding-block:22px;
}
.foot__bar p{font-size:var(--sb-text-sm);color:var(--color-text-faint)}

@media (max-width:860px){
  .foot__inner{grid-template-columns:1fr 1fr;gap:var(--sb-space-3)}
  .foot__brand{grid-column:1 / -1}
}
@media (max-width:600px){
  .foot__inner{grid-template-columns:1fr}
  .foot__bar-inner{flex-direction:column;gap:6px}
}

/* Marcador temporal de secciones siguientes */
.placeholder{
  min-height:70vh;display:grid;place-content:center;gap:var(--sb-space-2);text-align:center;
  border-top:1px solid var(--color-border);
  padding:var(--sb-space-6) var(--sb-gutter);
}
.placeholder h2{font-size:var(--sb-text-3xl);color:var(--color-text-faint)}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width:1280px){ .nav__meta{display:none} }
@media (max-width:960px){
  .nav__links{display:none}
  .nav__end .btn{display:none}
  .nav__burger{display:flex}
  .hero__cue{display:none}
  :root{--nav-height:82px;--nav-logo-height:38px}
}
@media (max-width:600px){
  .hero__title{max-width:none;line-height:.98}
  .hero__top{flex-direction:column;gap:10px}
  .hero__tag{text-align:left}
  .hero__actions .btn{flex:1 1 100%}
  .fab{--fab-size:56px}
  .marquee{padding-block:15px}
}

/* ============================================================
   ACCESIBILIDAD — movimiento reducido
   ============================================================ */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
  [data-reveal]{opacity:1;transform:none}
  .hero__title .w > span{transform:none}
  .hero__media{transform:none!important}
  .hero__inner{transform:none!important;opacity:1!important}
  .marquee__track{animation:none;transform:none}
  .beam::before{animation:none;opacity:.5}
}

/* ============================================================
   RITMO VERTICAL
   Un solo lugar donde vive el aire entre secciones.
   El extra abajo compensa los 36px que la sección siguiente
   monta encima con margen negativo: sin eso, las últimas
   tarjetas de cada bloque quedaban cortadas.
   ============================================================ */
.servicios,
.trabajos,
.partners,
.sobre,
.contacto{
  padding-block:var(--sb-space-7) calc(var(--sb-space-7) + var(--sb-space-4));
}
@media (max-width:760px){
  .servicios,.trabajos,.partners,.sobre,.contacto{
    padding-block:var(--sb-space-5) calc(var(--sb-space-5) + var(--sb-space-3));
  }
  .reel{padding-block:var(--sb-space-4)}
}

/* ============================================================
   FONDO DE CONTACTO — loop ambiental
   El metraje ya es oscuro y cálido, así que el velo solo lo
   asienta lo justo para que el formulario se lea sin esfuerzo.
   ============================================================ */
.contacto{position:relative;isolation:isolate;overflow:hidden}
.contacto__media{position:absolute;inset:0;z-index:-2}
.contacto__media video{
  width:100%;height:100%;object-fit:cover;
  filter:saturate(1.1) contrast(1.05) brightness(.62);
}
.contacto__scrim{
  position:absolute;inset:0;z-index:-1;pointer-events:none;
  background:
    linear-gradient(180deg,var(--color-surface) 0%,rgba(18,16,14,.72) 26%,rgba(18,16,14,.86) 100%),
    radial-gradient(90% 70% at 20% 40%,rgba(18,16,14,.62) 0%,rgba(18,16,14,0) 70%);
}
/* Los campos necesitan cuerpo propio para no perderse sobre el video */
.contacto .field input,
.contacto .field select,
.contacto .field textarea,
.contacto__aside{
  background:rgba(10,9,8,.72);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
}
@media (prefers-reduced-motion:reduce){
  .contacto__media video{display:none}
}