/* ==========================================================================
   COMARTRA · Sitio corporativo comercial
   Hoja de estilos principal — v0.2
   Paleta tomada del logo oficial: rojo #BA0724
   ========================================================================== */

:root{
  --rojo:#BA0724;
  --rojo-osc:#8d0019;
  --rojo-cl:#ff8a9c;
  --tinta:#15181c;
  --tinta-2:#2c3138;
  --gris:#5d656f;
  --gris-cl:#8b939e;
  --linea:#e3e6ea;
  --fondo:#ffffff;
  --fondo-2:#f6f7f9;
  --max:1140px;
  --radio:6px;
  --sombra:0 14px 34px rgba(21,24,28,.09);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"Inter","Helvetica Neue",Helvetica,Arial,sans-serif;
  color:var(--tinta);background:var(--fondo);line-height:1.6;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{line-height:1.15;letter-spacing:-.02em;font-weight:700}

.wrap{max-width:var(--max);margin:0 auto;padding:0 clamp(18px,4vw,24px)}
.eyebrow{font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--rojo);font-weight:700;margin-bottom:14px}
.eyebrow.claro{color:var(--rojo-cl)}
section{padding:clamp(56px,8vw,90px) 0}
.sec-head{max-width:64ch;margin-bottom:clamp(30px,4vw,46px)}
.sec-head h2{font-size:clamp(25px,4.2vw,38px);margin-bottom:14px}
.sec-head p{color:var(--gris);font-size:clamp(15.5px,1.6vw,17px)}

/* --------------------------------------------------------- botones ------ */
.btn{display:inline-block;background:var(--rojo);color:#fff;padding:13px 24px;
  border-radius:4px;font-size:15px;font-weight:600;transition:background .15s;border:0;cursor:pointer}
.btn:hover{background:var(--rojo-osc)}
.btn-ghost{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.45)}
.btn-ghost:hover{background:rgba(255,255,255,.12)}

/* ------------------------------------------------------------- nav ------ */
header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.97);
  backdrop-filter:blur(8px);border-bottom:1px solid var(--linea)}
.nav{display:flex;align-items:center;justify-content:space-between;height:74px;gap:16px}
.logo{display:flex;align-items:center;gap:12px;flex:none}
.iso-wrap{position:relative;display:block;flex:none;line-height:0}
.logo .iso{height:38px;width:auto;max-height:44px;display:block;
  animation:isoEntra .9s cubic-bezier(.2,.8,.25,1) both, isoLatido 6s ease-in-out 1.4s infinite}
.iso-wrap::after{content:"";position:absolute;inset:-4px;border-radius:50%;
  border:1.5px solid var(--rojo);opacity:0;animation:isoPing 6s ease-out 1.6s infinite;pointer-events:none}
.logo:hover .iso{animation-play-state:paused;transform:rotate(-8deg) scale(1.06);transition:transform .45s cubic-bezier(.2,.8,.25,1)}
.marca-txt{display:flex;flex-direction:column;align-items:flex-start;gap:4px}
.logo .nombre{height:13px;width:auto;max-height:16px;flex:none;object-fit:contain;display:block}
.bajada{font-size:7.5px;letter-spacing:.30em;text-transform:uppercase;color:var(--gris-cl);
  font-weight:500;white-space:nowrap}
@media(max-width:420px){.logo{gap:9px}.logo .iso{height:33px}.logo .nombre{height:10.5px}
  .bajada{font-size:6.8px;letter-spacing:.24em}}

@keyframes isoEntra{from{opacity:0;transform:scale(.7) rotate(-25deg)}to{opacity:1;transform:none}}
@keyframes isoLatido{0%,86%,100%{transform:none}91%{transform:scale(1.07)}95%{transform:scale(.99)}}
@keyframes isoPing{0%{opacity:0;transform:scale(.9)}6%{opacity:.55}22%{opacity:0;transform:scale(1.5)}100%{opacity:0;transform:scale(1.5)}}
.menu{display:flex;gap:clamp(14px,2.2vw,28px);font-size:12.5px;font-weight:600;color:var(--tinta-2);
  text-transform:uppercase;letter-spacing:.09em}
.menu a{position:relative;padding:6px 0;transition:color .2s}
.menu a::after{content:"";position:absolute;left:0;right:100%;bottom:0;height:2px;background:var(--rojo);
  transition:right .28s cubic-bezier(.2,.8,.25,1)}
.menu a:hover{color:var(--rojo)}
.menu a:hover::after{right:0}
.nav .btn{padding:11px 20px;font-size:14.5px;white-space:nowrap}

.burger{display:none;flex-direction:column;justify-content:center;gap:5px;
  width:44px;height:44px;border:1px solid var(--linea);border-radius:4px;background:#fff;cursor:pointer;padding:0 11px}
.burger span{display:block;height:2px;background:var(--tinta);border-radius:2px;transition:transform .2s,opacity .2s}
.nav-open .burger span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-open .burger span:nth-child(2){opacity:0}
.nav-open .burger span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.btn-m{display:none}

@media(max-width:1000px){
  .nav > .btn{display:none}
  .burger{display:flex}
  .menu{position:fixed;left:0;right:0;top:74px;background:#fff;flex-direction:column;gap:0;
    padding:8px 0 20px;display:none;box-shadow:var(--sombra);border-bottom:1px solid var(--linea);
    max-height:calc(100vh - 74px);overflow-y:auto}
  .nav-open .menu{display:flex}
  .menu a{padding:15px 24px;font-size:13.5px;border-bottom:1px solid var(--fondo-2)}
  .menu a::after{display:none}
  .btn-m{display:block;margin:16px 24px 0;text-align:center;background:var(--rojo);color:#fff;
    border-radius:4px;padding:14px;font-weight:600;border-bottom:0!important}
}

/* ------------------------------------------------------------ hero ------ */
.hero{background:var(--tinta);color:#fff;padding:clamp(58px,9vw,100px) 0 clamp(54px,8vw,92px);
  position:relative;overflow:hidden}
.hero:after{content:"";position:absolute;right:-160px;top:-160px;width:560px;height:560px;border-radius:50%;
  background:radial-gradient(circle at 35% 35%, rgba(186,7,36,.6), rgba(186,7,36,0) 68%);pointer-events:none}
.hero .wrap{position:relative;z-index:2}
.hero h1{font-size:clamp(29px,5.4vw,56px);max-width:17ch;margin-bottom:20px}
.hero p{font-size:clamp(15.5px,2vw,19px);color:#c3c9d2;max-width:58ch;margin-bottom:32px}
.cta{display:flex;gap:12px;flex-wrap:wrap}
@media(max-width:520px){.cta a{flex:1 1 100%;text-align:center}}

/* ---------------------------------------------------------- trust ------- */
.trust{background:var(--fondo-2);border-bottom:1px solid var(--linea)}
.trust .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;padding-top:26px;padding-bottom:26px}
.trust strong{display:block;font-size:15px}
.trust span{font-size:13.5px;color:var(--gris)}
@media(max-width:860px){.trust .wrap{grid-template-columns:1fr 1fr}}

/* ------------------------------------------------------ industrias ------ */
.industrias{background:var(--tinta);color:#fff}
.industrias h2{color:#fff}
.industrias .sec-head p{color:#c3c9d2}
.grid-ind{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.ind{border:1px solid rgba(255,255,255,.16);border-radius:var(--radio);padding:26px 24px;
  transition:border-color .15s,background .15s}
.ind:hover{border-color:var(--rojo-cl);background:rgba(255,255,255,.03)}
.ind h3{font-size:17.5px;margin-bottom:10px}
.ind .dolor{font-size:13px;color:var(--rojo-cl);font-weight:600;margin-bottom:8px;display:block}
.ind p{font-size:14.5px;color:#aeb6c1}
@media(max-width:960px){.grid-ind{grid-template-columns:1fr 1fr}}
@media(max-width:620px){.grid-ind{grid-template-columns:1fr}}

/* ------------------------------------------------------- soluciones ----- */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(16px,2.4vw,26px)}
.card{border:1px solid var(--linea);border-radius:var(--radio);padding:30px 26px;
  transition:border-color .15s,transform .15s,box-shadow .15s}
.card:hover{border-color:var(--rojo);transform:translateY(-2px);box-shadow:var(--sombra)}
.card .num{font-size:12px;font-weight:700;color:var(--rojo);letter-spacing:.14em;margin-bottom:14px}
.card h3{font-size:19px;margin-bottom:10px}
.card p{font-size:15px;color:var(--gris)}
@media(max-width:1000px){.cards{grid-template-columns:1fr 1fr}}
@media(max-width:680px){.cards{grid-template-columns:1fr}}

/* ---------------------------------------------------------- lineas ------ */
.lineas{background:var(--fondo-2)}
.grid-l{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--linea);
  border:1px solid var(--linea);border-radius:var(--radio);overflow:hidden}
.grid-l > div{background:#fff;padding:24px 22px}
.grid-l h3{font-size:16px;margin-bottom:6px}
.grid-l p{font-size:14px;color:var(--gris)}
@media(max-width:1000px){.grid-l{grid-template-columns:1fr 1fr}}
@media(max-width:680px){.grid-l{grid-template-columns:1fr}}

/* ----------------------------------------------------------- split ------ */
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(30px,5vw,64px);align-items:start}
.split h2{font-size:clamp(25px,4.2vw,38px);margin-bottom:16px}
.split p{color:var(--gris);font-size:clamp(15.5px,1.6vw,17px)}
.split p + p{margin-top:14px}
@media(max-width:900px){.split{grid-template-columns:1fr}}

.paso{display:flex;gap:16px;padding:18px 0;border-bottom:1px solid var(--linea)}
.paso:last-child{border-bottom:0}
.paso b{flex:none;width:30px;height:30px;border-radius:50%;background:var(--rojo);color:#fff;
  font-size:13px;display:flex;align-items:center;justify-content:center;font-weight:700}
.paso h4{font-size:16px;margin-bottom:3px}
.paso p{font-size:14.5px;color:var(--gris)}

/* --------------------------------------------------------- motivos ------ */
.motivos{background:var(--fondo-2)}
.grid-m{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(16px,2.4vw,26px)}
.motivo{background:#fff;border:1px solid var(--linea);border-radius:var(--radio);padding:28px 26px}
.motivo h3{font-size:17px;margin-bottom:10px}
.motivo .antes{font-size:14px;color:var(--gris);margin-bottom:12px;padding-bottom:12px;border-bottom:1px dashed var(--linea)}
.motivo .despues{font-size:14.5px;color:var(--tinta-2)}
.motivo .despues b{color:var(--rojo)}
@media(max-width:1000px){.grid-m{grid-template-columns:1fr}}

/* ---------------------------------------------------------- marcas ------ */
.marcas{display:flex;flex-wrap:wrap;gap:10px}
.marcas span{border:1px solid var(--linea);border-radius:4px;padding:9px 16px;font-size:14px;
  font-weight:600;color:var(--tinta-2)}

/* ------------------------------------------------------- banda cta ------ */
.banda{background:var(--rojo);color:#fff;padding:clamp(40px,6vw,62px) 0}
.banda .wrap{display:flex;align-items:center;justify-content:space-between;gap:26px;flex-wrap:wrap}
.banda h2{font-size:clamp(21px,3vw,29px);max-width:24ch}
.banda p{color:rgba(255,255,255,.85);font-size:15.5px;margin-top:8px;max-width:46ch}
.banda .btn{background:#fff;color:var(--rojo)}
.banda .btn:hover{background:var(--tinta);color:#fff}

/* -------------------------------------------------------- contacto ------ */
form{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.full{grid-column:1/-1}
label{display:block;font-size:13px;font-weight:600;margin-bottom:6px}
input,select,textarea{width:100%;padding:12px 14px;border:1px solid var(--linea);border-radius:4px;
  font:inherit;font-size:16px;background:#fff}
input:focus,select:focus,textarea:focus{outline:2px solid var(--rojo);outline-offset:-1px;border-color:var(--rojo)}
textarea{min-height:120px;resize:vertical}
.nota{font-size:13px;color:var(--gris)}
.pista{display:block;font-size:12.5px;color:var(--gris);margin-top:5px;line-height:1.45}
.pista.mal{color:var(--rojo);font-weight:600}
.pista.bien{color:#1f7a4d;font-weight:600}
input.mal{border-color:var(--rojo);background:#fdeef1}
input.mal:focus{outline-color:var(--rojo)}
/* trampa anti-spam: invisible para personas, visible para robots que rellenan todo */
.trampa{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.aviso{margin-top:18px;padding:14px 16px;border-radius:4px;font-size:14.5px;display:none}
.aviso.ok{display:block;background:#e8f6ec;border-left:3px solid #2e7d4f;color:#1c5334}
.aviso.mal{display:block;background:#fdeef1;border-left:3px solid var(--rojo);color:#7d0518}
@media(max-width:700px){form{grid-template-columns:1fr}}

/* ---------------------------------------------------------- footer ------ */
footer{background:var(--tinta);color:#8f98a4;padding:52px 0 30px;font-size:14px}
.f-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:36px;margin-bottom:34px}
footer h4{color:#fff;font-size:14px;margin-bottom:12px}
footer a:hover{color:#fff}
footer li{list-style:none;margin-bottom:7px}
.logo-f{margin-bottom:16px}
.logo-f .iso{height:48px}
.logo-f .nombre{height:18px;filter:brightness(0) invert(1)}
.logo-f .bajada{color:#8f98a4}
.legal{border-top:1px solid rgba(255,255,255,.12);padding-top:18px;font-size:12.5px;
  display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap}
@media(max-width:800px){.f-grid{grid-template-columns:1fr}}

/* --------------------------------------------------------- pendiente ---- */
.tbd{background:#fff5cc;border-left:3px solid #e0a800;padding:2px 7px;font-size:12.5px;
  font-weight:600;color:#7a5c00;border-radius:2px;display:inline-block}


/* ==========================================================================
   FOTOGRAFIA
   Las imagenes viven en assets/img/. Si aun no existen, el bloque conserva
   el fondo solido y el sitio no se rompe (ver main.js -> data-opcional).
   ========================================================================== */
.hero{background-color:var(--tinta)}
.hero-bg{position:absolute;inset:0;z-index:0;overflow:hidden}
.hero-bg img{width:100%;height:100%;object-fit:cover;opacity:.46}
.hero-bg:after{content:"";position:absolute;inset:0;
  background:linear-gradient(100deg, rgba(21,24,28,.95) 0%, rgba(21,24,28,.78) 46%, rgba(21,24,28,.30) 100%)}

.figura{border-radius:var(--radio);overflow:hidden;background:var(--fondo-2);aspect-ratio:4/3}
.figura img{width:100%;height:100%;object-fit:cover}

.mosaico{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:8px}
.mosaico .figura{aspect-ratio:3/4}
.mosaico figcaption{padding:12px 2px 0;font-size:13.5px;color:var(--gris)}
.mosaico figure{margin:0}
@media(max-width:760px){.mosaico{grid-template-columns:1fr;gap:18px}.mosaico .figura{aspect-ratio:16/9}}

.tira{padding-top:0}


/* ==========================================================================
   ANIMACION Y MOVIMIENTO
   ========================================================================== */
.reveal,.reveal-l > div,.mosaico figure{opacity:0;transform:translateY(22px);
  transition:opacity .7s cubic-bezier(.2,.8,.25,1),transform .7s cubic-bezier(.2,.8,.25,1)}
.reveal.visible,.reveal-l.visible > div,.mosaico figure.visible{opacity:1;transform:none}
.reveal-l.visible > div:nth-child(n){transition-delay:calc((var(--i,0)) * 55ms)}
.grid-ind .ind{transition:opacity .7s cubic-bezier(.2,.8,.25,1),transform .7s cubic-bezier(.2,.8,.25,1),
  border-color .2s,background .2s}
.cards .card.visible,.grid-m .motivo.visible,.grid-ind .ind.visible{transition-delay:calc(var(--i,0) * 80ms)}

@media (prefers-reduced-motion: reduce){
  .reveal,.reveal-l > div,.mosaico figure{opacity:1;transform:none;transition:none}
  .logo .iso,.iso-wrap::after{animation:none}
  .slide{transition:none}
}

/* --------------------------------------------------- slider del hero ---- */
.hero-bg .slide{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
  opacity:0;transform:scale(1.06);
  transition:opacity 1.8s ease-in-out, transform 9s linear}
.hero-bg .slide.activa{opacity:.46;transform:scale(1)}
.hero .wrap > *{animation:sube .8s cubic-bezier(.2,.8,.25,1) both}
.hero .eyebrow{animation-delay:.05s}
.hero h1{animation-delay:.15s}
.hero p{animation-delay:.28s}
.hero .cta{animation-delay:.4s}
@keyframes sube{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}

.hero-puntos{position:absolute;left:0;right:0;bottom:22px;z-index:3;display:flex;gap:8px;
  justify-content:flex-start;max-width:var(--max);margin:0 auto;padding:0 clamp(18px,4vw,24px)}
.hero-punto{width:26px;height:3px;border-radius:2px;background:rgba(255,255,255,.28);border:0;
  cursor:pointer;padding:0;transition:background .3s,width .3s}
.hero-punto.activo{background:var(--rojo-cl);width:44px}

/* -------------------------------------------------------- iconos -------- */
.ico,.ico-ind,.ico-card,.ico-mot,.ico-up{display:inline-flex;align-items:center;justify-content:center;color:var(--rojo)}
.ico svg,.ico-ind svg,.ico-card svg,.ico-mot svg,.ico-up svg{width:100%;height:100%}
.trust .dato{display:flex;align-items:flex-start;gap:12px}
.trust .ico{width:26px;height:26px;flex:none;margin-top:1px;transition:transform .3s}
.trust .dato:hover .ico{transform:translateY(-3px) scale(1.08)}
.trust .txt{display:flex;flex-direction:column}
.ico-ind{width:30px;height:30px;color:var(--rojo-cl);margin-bottom:14px;transition:transform .35s}
.ind:hover .ico-ind{transform:translateY(-4px) scale(1.08)}
.ico-card{width:32px;height:32px;margin-bottom:14px;transition:transform .35s}
.card:hover .ico-card{transform:translateY(-4px) scale(1.08)}
.ico-mot{width:28px;height:28px;margin-bottom:12px}
.motivo .cuerpo{font-size:14.5px;color:var(--gris)}

/* ==========================================================================
   PERSONALIZADOR
   ========================================================================== */
.person{background:var(--tinta);color:#fff}
.person h2{color:#fff}
.person .sec-head p{color:#c3c9d2}
.pz{display:grid;grid-template-columns:1fr 1fr;gap:clamp(24px,4vw,48px);align-items:start}
@media(max-width:900px){.pz{grid-template-columns:1fr}}

.pz-vista{position:sticky;top:98px}
@media(max-width:900px){.pz-vista{position:static}}
.pz-prenda{position:relative;background:linear-gradient(160deg,#20252c,#171b21);
  border:1px solid rgba(255,255,255,.12);border-radius:var(--radio);padding:14px;overflow:hidden}
.pz-prenda svg{width:100%;height:auto;display:block}
.pz-vacio{position:absolute;left:0;right:0;bottom:26px;text-align:center;font-size:13.5px;color:#8f98a4}
.pz-pie{font-size:12.5px;color:#8f98a4;margin-top:10px}

.pz-ctrl{display:flex;flex-direction:column;gap:22px}
.pz-drop{display:flex;flex-direction:column;align-items:center;gap:6px;text-align:center;
  border:1.5px dashed rgba(255,255,255,.3);border-radius:var(--radio);padding:26px 20px;cursor:pointer;
  transition:border-color .2s,background .2s,transform .2s}
.pz-drop:hover,.pz-drop.encima{border-color:var(--rojo-cl);background:rgba(255,255,255,.04);transform:translateY(-2px)}
.pz-drop .ico-up{width:30px;height:30px;color:var(--rojo-cl)}
.pz-drop strong{font-size:15px}
.pz-drop span{font-size:12.5px;color:#8f98a4}

.pz-lbl{display:block;font-size:11.5px;text-transform:uppercase;letter-spacing:.12em;
  color:#8f98a4;font-weight:600;margin-bottom:10px}
.pz-lbl b{color:var(--rojo-cl);letter-spacing:0;font-size:12.5px}
.pz-ops{display:flex;flex-wrap:wrap;gap:8px}
.pz-op{background:transparent;color:#c3c9d2;border:1px solid rgba(255,255,255,.2);border-radius:4px;
  padding:9px 15px;font:inherit;font-size:13.5px;cursor:pointer;transition:all .18s}
.pz-op:hover{border-color:rgba(255,255,255,.5);color:#fff}
.pz-op.activa{background:var(--rojo);border-color:var(--rojo);color:#fff;font-weight:600}
.pz-colores{display:flex;flex-wrap:wrap;gap:10px}
.pz-color{width:34px;height:34px;border-radius:50%;background:var(--c);border:2px solid rgba(255,255,255,.25);
  cursor:pointer;padding:0;transition:transform .18s,border-color .18s}
.pz-color:hover{transform:scale(1.12)}
.pz-color.activa{border-color:#fff;transform:scale(1.12);box-shadow:0 0 0 3px rgba(255,255,255,.15)}
#pz-size{width:100%;accent-color:var(--rojo);height:4px}
.pz-esc{display:flex;justify-content:space-between;font-size:11.5px;color:#8f98a4;margin-top:4px}
.pz-resumen{font-size:13.5px;color:#c3c9d2;border-left:2px solid var(--rojo);padding-left:14px;min-height:20px}
.pz-enviar{text-align:center;pointer-events:none;opacity:.45;transition:opacity .2s}
.pz-enviar.listo{pointer-events:auto;opacity:1}
.person .nota{color:#8f98a4}

/* --------------------------------------------------- adjunto del form --- */
.adjunto{display:flex;align-items:center;gap:14px;border:1px solid var(--linea);
  border-radius:var(--radio);padding:12px 14px;background:#fff}
.adjunto img{width:52px;height:52px;object-fit:contain;background:var(--fondo-2);border-radius:4px;flex:none}
.adjunto div{display:flex;flex-direction:column;flex:1;min-width:0}
.adjunto strong{font-size:14px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.adjunto span{font-size:12.5px;color:var(--gris)}
.adjunto button{background:none;border:0;font-size:24px;line-height:1;color:var(--gris);cursor:pointer;padding:0 4px}
.adjunto button:hover{color:var(--rojo)}

/* ------------------------------------------------------ microdetalles --- */
/* ------------------------------------------------------------ destello --
   Los botones principales barren un reflejo cada cierto tiempo para atraer
   la vista, y repiten el barrido al pasar el cursor.
   ------------------------------------------------------------------------ */
.btn{position:relative;overflow:hidden;isolation:isolate}
.btn > *{position:relative;z-index:2}
.btn::before{content:"";position:absolute;top:-25%;left:0;width:42%;height:150%;z-index:1;
  background:linear-gradient(100deg,
    transparent 0%,
    rgba(255,255,255,.18) 30%,
    rgba(255,255,255,.92) 50%,
    rgba(255,255,255,.18) 70%,
    transparent 100%);
  filter:blur(1px);
  transform:translateX(-320%) skewX(-20deg);pointer-events:none;will-change:transform}

/* barrido automático en las llamadas a la acción principales */
.nav .btn::before,
.hero .cta .btn:not(.btn-ghost)::before,
.banda .btn::before,
.btn-m::before,
#pz-enviar.listo::before{animation:destello 5.4s cubic-bezier(.25,.6,.3,1) infinite}
.hero .cta .btn:not(.btn-ghost)::before{animation-delay:.9s}
.banda .btn::before{animation-delay:1.8s}
#pz-enviar.listo::before{animation-delay:.4s}

@keyframes destello{
  0%,  78%  {transform:translateX(-320%) skewX(-20deg)}
  92%,100%  {transform:translateX(350%)  skewX(-20deg)}
}

/* el reflejo se repite al pasar el cursor, sin esperar el ciclo */
.btn:hover::before{animation:destelloHover .7s cubic-bezier(.25,.6,.3,1)}
@keyframes destelloHover{from{transform:translateX(-320%) skewX(-20deg)}to{transform:translateX(350%) skewX(-20deg)}}

/* halo suave en el botón del encabezado, para que sea el ancla visual */
.nav .btn{box-shadow:0 0 0 0 rgba(186,7,36,.45);animation:halo 5.4s ease-out infinite, realce 5.4s ease-out infinite}
@keyframes realce{0%,78%,100%{filter:none}86%{filter:brightness(1.12)}}
@keyframes halo{
  0%,  74%  {box-shadow:0 0 0 0 rgba(186,7,36,.40)}
  86%       {box-shadow:0 0 0 9px rgba(186,7,36,0)}
  100%      {box-shadow:0 0 0 0 rgba(186,7,36,0)}
}
.nav .btn:hover{animation:none;box-shadow:0 6px 18px rgba(186,7,36,.32)}

/* en el botón blanco de la banda roja el reflejo va en rojo, no en blanco */
.banda .btn::before{background:linear-gradient(100deg,
  transparent 0%, rgba(186,7,36,.06) 35%, rgba(186,7,36,.22) 50%,
  rgba(186,7,36,.06) 65%, transparent 100%)}

@media (prefers-reduced-motion: reduce){
  .btn::before{animation:none!important;display:none}
  .nav .btn{animation:none}
}
.figura img{transition:transform 1.2s cubic-bezier(.2,.8,.25,1)}
.figura:hover img{transform:scale(1.05)}
.grid-l > div{transition:background .2s}
.grid-l > div:hover{background:var(--fondo-2)}


/* ==========================================================================
   MULTIPAGINA · banner interior, enlace activo, clientes y contacto
   ========================================================================== */
.menu a.actual{color:var(--rojo)}
.menu a.actual::after{right:0}
@media(max-width:1000px){.menu a.actual{background:var(--fondo-2)}}

/* ------------------------------------------------- banner de interior --- */
.banner{position:relative;overflow:hidden;background:var(--tinta);color:#fff;
  padding:clamp(56px,7vw,92px) 0 clamp(48px,6vw,78px)}
.banner-bg{position:absolute;inset:0;z-index:0;overflow:hidden}
.banner-bg img{width:100%;height:100%;object-fit:cover;opacity:.42;
  animation:acerca 18s ease-out both}
@keyframes acerca{from{transform:scale(1.09)}to{transform:scale(1)}}
.banner-bg::after{content:"";position:absolute;inset:0;
  background:linear-gradient(100deg, rgba(21,24,28,.95) 0%, rgba(21,24,28,.80) 48%, rgba(21,24,28,.36) 100%)}
.banner .wrap{position:relative;z-index:2}
.banner h1{font-size:clamp(27px,4.6vw,46px);max-width:19ch;margin-bottom:16px;
  animation:sube .8s cubic-bezier(.2,.8,.25,1) .12s both}
.banner p{font-size:clamp(15.5px,1.8vw,18px);color:#c3c9d2;max-width:58ch;
  animation:sube .8s cubic-bezier(.2,.8,.25,1) .24s both}
.banner .eyebrow{animation:sube .8s cubic-bezier(.2,.8,.25,1) both}

/* ------------------------------------------------------ enlace "ver +" -- */
.mas{margin-top:30px;font-size:15px;font-weight:600}
.mas a{color:var(--rojo);border-bottom:1px solid transparent;transition:border-color .2s}
.mas a:hover{border-color:var(--rojo)}
.mas.claro a{color:var(--rojo-cl)}
.mas.claro a:hover{border-color:var(--rojo-cl)}

/* la grilla de industrias tambien existe sobre fondo claro */
.grid-ind-claro .ind{border-color:var(--linea)}
.grid-ind-claro .ind:hover{border-color:var(--rojo);background:var(--fondo-2)}
.grid-ind-claro .ind h3{color:var(--tinta)}
.grid-ind-claro .ind p{color:var(--gris)}
.grid-ind-claro .ind .dolor{color:var(--rojo)}
.grid-ind-claro .ico-ind{color:var(--rojo)}

/* ------------------------------------------------- carrusel de clientes - */
.clientes{padding:clamp(44px,6vw,68px) 0;background:var(--fondo-2);
  border-top:1px solid var(--linea);border-bottom:1px solid var(--linea)}
.clientes-tit{text-align:center;font-size:11.5px;letter-spacing:.18em;text-transform:uppercase;
  color:var(--gris);font-weight:600;margin-bottom:30px}
.cli-marco{position:relative;overflow:hidden;
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 9%,#000 91%,transparent);
          mask-image:linear-gradient(90deg,transparent,#000 9%,#000 91%,transparent)}
.cli-pista{display:flex;width:max-content;animation:desfile 38s linear infinite}
.cli-marco:hover .cli-pista{animation-play-state:paused}
.cli-grupo{display:flex;align-items:center;gap:clamp(34px,5vw,68px);padding-right:clamp(34px,5vw,68px)}
.cli{flex:none;display:flex;align-items:center;justify-content:center;height:52px}
.cli img{max-height:52px;width:auto;object-fit:contain;
  filter:grayscale(1);opacity:.55;transition:filter .3s,opacity .3s,transform .3s}
.cli:hover img{filter:none;opacity:1;transform:scale(1.06)}
@keyframes desfile{from{transform:translateX(0)}to{transform:translateX(-50%)}}
@media (prefers-reduced-motion: reduce){.cli-pista{animation:none}.banner-bg img{animation:none}}

/* ------------------------------------------------------------ contacto -- */
.ctc{display:grid;grid-template-columns:1.5fr 1fr;gap:clamp(28px,4vw,56px);align-items:start}
@media(max-width:900px){.ctc{grid-template-columns:1fr}}
.ctc-lado{background:var(--fondo-2);border:1px solid var(--linea);border-radius:var(--radio);
  padding:26px 24px;position:sticky;top:98px}
@media(max-width:900px){.ctc-lado{position:static}}
.ctc-lado h3{font-size:12px;text-transform:uppercase;letter-spacing:.13em;color:var(--rojo);
  margin-bottom:6px}
.ctc-lado h3 + p,.ctc-lado h3 + ul{margin-bottom:22px}
.ctc-lado p{font-size:14.5px;color:var(--gris)}
.ctc-lado a{color:var(--rojo);border-bottom:1px solid transparent}
.ctc-lado a:hover{border-color:var(--rojo)}
.chk{list-style:none;font-size:14.5px;color:var(--gris)}
.chk li{position:relative;padding-left:22px;margin-bottom:7px}
.chk li::before{content:"";position:absolute;left:0;top:7px;width:11px;height:6px;
  border-left:2px solid var(--rojo);border-bottom:2px solid var(--rojo);transform:rotate(-45deg)}

/* ---------------------------------------------------- datos de empresa -- */
.datos-emp{list-style:none;font-size:14.5px;border-top:1px solid var(--linea)}
.datos-emp li{display:flex;justify-content:space-between;gap:16px;padding:9px 0;
  border-bottom:1px solid var(--linea)}
.datos-emp span{color:var(--gris)}
.datos-emp b{text-align:right}