:root{
  --red:#ED0000;
  --black:#080808;
  --metal:#424345;
  --gray:#989C9F;
  --white:#fff;
  --soft:#f4f5f6;
  --border:#e5e7eb;
  --max:1180px;
  --radius:4px;
  --shadow:0 16px 40px rgba(8,8,8,.12);
  --ease:all .28s ease;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"Montserrat",Arial,sans-serif;color:var(--black);background:#fff;line-height:1.5}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button,input,textarea{font:inherit}
.container{width:min(var(--max),calc(100% - 40px));margin-inline:auto}
.skip-link{position:absolute;left:-9999px;top:10px;background:#fff;padding:10px 14px;z-index:99999}.skip-link:focus{left:10px}

.topbar{background:var(--black);color:#fff;font-size:12px}.topbar__inner{min-height:34px;display:flex;align-items:center;justify-content:space-between;gap:20px}.topbar__links{display:flex;gap:24px}.topbar a{opacity:.92}.topbar a:hover{opacity:1;color:#fff}
.header{position:sticky;top:0;z-index:1000;background:rgba(255,255,255,.97);border-bottom:1px solid rgba(0,0,0,.06);transition:var(--ease)}.header.scrolled{box-shadow:0 8px 30px rgba(0,0,0,.10);backdrop-filter:blur(10px)}.header__inner{min-height:74px;display:flex;align-items:center;gap:30px}.brand img{width:186px;height:auto}.nav{display:flex;align-items:center;gap:34px;margin-left:auto}.nav a{font-size:13px;font-weight:700;position:relative;padding:28px 0}.nav a:after{content:"";position:absolute;left:0;bottom:17px;width:0;height:2px;background:var(--red);transition:var(--ease)}.nav a:hover:after,.nav a.active:after{width:100%}.nav-toggle{display:none;background:none;border:0;width:46px;height:46px;padding:10px;cursor:pointer}.nav-toggle span{display:block;height:2px;background:var(--black);margin:6px 0;transition:.2s}.header__cta{margin-left:8px}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:12px;min-height:48px;padding:0 24px;border:1px solid transparent;border-radius:var(--radius);font-size:13px;font-weight:800;text-transform:uppercase;letter-spacing:.15px;transition:var(--ease);cursor:pointer}.btn__icon{width:20px;height:20px;display:block;object-fit:contain;flex:0 0 20px}.btn__social-icon{width:19px;height:19px;display:block;object-fit:contain;flex:0 0 19px}.btn--whatsapp{gap:11px}.header__cta .btn__icon{width:19px;height:19px;flex-basis:19px}.hero__actions .btn__icon{width:18px;height:18px;flex-basis:18px}.btn:hover{transform:translateY(-2px)}.btn--red{background:var(--red);color:#fff;border-color:var(--red)}.btn--red:hover{background:#bd0000;border-color:#bd0000;box-shadow:0 10px 25px rgba(237,0,0,.23)}.btn--outline{background:transparent;color:#fff;border-color:rgba(255,255,255,.72)}.btn--outline:hover{background:#fff;color:var(--black);border-color:#fff}.btn--light{background:#fff;color:var(--black);border-color:#bbb}.btn--light:hover{border-color:var(--black);box-shadow:0 8px 20px rgba(0,0,0,.08)}

.hero{position:relative;min-height:640px;display:flex;align-items:center;overflow:hidden;background:#0a0a0a;color:#fff}.hero__media{position:absolute;inset:0;background:url('assets/hero-main.png') 70% center/cover no-repeat}.hero__shade{position:absolute;inset:0;background:linear-gradient(90deg,rgba(8,8,8,.965) 0%,rgba(8,8,8,.91) 34%,rgba(8,8,8,.58) 58%,rgba(8,8,8,.22) 100%)}.hero__content{position:relative;z-index:2;display:flex;justify-content:flex-start;align-items:flex-end;padding-block:82px 60px}.hero__copy{max-width:760px}.eyebrow{margin:0 0 12px;color:var(--red);font-size:13px;font-weight:900;text-transform:uppercase;letter-spacing:1.6px}.hero h1{margin:0;font-size:clamp(50px,5.55vw,74px);font-weight:900;line-height:.96;letter-spacing:-2.2px;text-transform:uppercase}.hero h1 span,.section h2 span,.about h2 span{color:var(--red)}.hero__lead{max-width:700px;font-size:19px;line-height:1.42;color:rgba(255,255,255,.88);margin:26px 0 34px}.hero__actions{display:flex;flex-wrap:wrap;gap:16px}.hero__actions .btn{min-height:54px;padding:0 28px;font-size:12.8px}.hero__values{display:flex;gap:42px;margin-top:46px}.hero__values>div{display:grid;grid-template-columns:40px auto;grid-template-rows:auto auto;column-gap:12px;align-items:center}.value-icon{grid-row:1/3;width:30px;height:30px;display:grid;place-items:center}.value-icon img{width:30px;height:30px;display:block;object-fit:contain}.hero__values strong{font-size:14px;line-height:1.1}.hero__values small{font-size:12px;line-height:1.2;color:rgba(255,255,255,.76)}.hero__quote{margin:0 0 6px;text-align:right;font-size:15px;font-weight:700;line-height:1.35;border-top:3px solid var(--red);padding-top:10px;color:#fff}

.section{padding:72px 0}.section-head{display:grid;grid-template-columns:1.1fr .9fr;gap:50px;align-items:end;margin-bottom:30px}.section-head--compact{grid-template-columns:1fr auto}.section-head h2,.about h2,.quote-cta h2,.why h2{font-size:clamp(30px,3vw,43px);line-height:1.05;text-transform:uppercase;margin:0;font-weight:900;letter-spacing:-1px}.section-head>p{margin:0;color:#4c4d4f;font-size:14px}
.service-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}.service-card{background:#fff;border:1px solid var(--border);overflow:hidden;transition:var(--ease);height:100%}.service-card:hover{transform:translateY(-7px);box-shadow:var(--shadow)}.service-card>img{width:100%;height:150px;object-fit:cover;transition:transform .5s ease}.service-card:hover>img{transform:scale(1.045)}.service-card__body{padding:18px;display:flex;flex-direction:column;min-height:235px}.service-card h3{display:grid;grid-template-columns:42px 1fr;gap:12px;align-items:center;margin:0 0 18px;font-size:16px;line-height:1.06;text-transform:uppercase;font-weight:900;letter-spacing:-.2px;min-height:76px}.service-title{display:block}.mini-icon{width:42px;min-width:42px;height:42px;border-radius:4px;display:inline-grid;place-items:center;background:var(--red);padding:9px;align-self:start}.mini-icon img{width:100%;height:100%;display:block;object-fit:contain}.service-card p{font-size:13px;line-height:1.45;color:#555;margin:0 0 20px}.service-card a{font-size:12px;font-weight:800;color:var(--red);margin-top:auto}

.about{position:relative;min-height:430px;display:flex;align-items:center;background:#0b0b0b;color:#fff;overflow:hidden}.about__image{position:absolute;inset:0;background:url('assets/about-mejorado.png') center center/cover no-repeat}.about__shade{position:absolute;inset:0;background:linear-gradient(90deg,rgba(8,8,8,.97) 0%,rgba(8,8,8,.94) 42%,rgba(8,8,8,.40) 70%,rgba(8,8,8,.12) 100%)}.about__content{position:relative;z-index:2;padding-block:68px;max-width:1180px}.about__content>*{max-width:560px}.about h2{font-size:46px;margin-bottom:18px}.about p:not(.eyebrow){color:rgba(255,255,255,.80);font-size:14px;margin:0 0 12px}.about .btn{margin-top:15px}

.proof-strip{background:#fff;border-bottom:1px solid var(--border)}.proof-grid{display:grid;grid-template-columns:repeat(4,1fr);padding:26px 0}.proof-grid>div{padding:6px 34px;border-right:1px solid var(--border);text-align:center}.proof-grid>div:last-child{border-right:0}.proof-grid strong{display:block;font-size:20px;font-weight:900}.proof-grid span{display:block;font-size:12px;color:#666;margin-top:3px}

.projects{background:#f6f7f8}.project-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}.project-card{position:relative;margin:0;overflow:hidden;background:#111;min-height:150px}.project-card img{width:100%;height:170px;object-fit:cover;transition:.45s ease}.project-card:after{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(0,0,0,.75),transparent 65%);opacity:.35;transition:.3s}.project-card figcaption{position:absolute;z-index:2;left:14px;bottom:12px;color:#fff;font-size:12px;font-weight:800;text-transform:uppercase;opacity:0;transform:translateY(7px);transition:.3s}.project-card:hover img{transform:scale(1.06)}.project-card:hover:after{opacity:.75}.project-card:hover figcaption{opacity:1;transform:none}

.why{background:linear-gradient(135deg,#050505 0%,#0a0a0a 55%,#121212 100%);color:#fff;padding:64px 0;position:relative;overflow:hidden;isolation:isolate}.why h2{font-size:clamp(44px,4vw,58px);line-height:1.04;letter-spacing:-1.4px;margin-bottom:46px}.why__content{position:relative;z-index:2;width:min(100% - 72px,1500px);margin:0 auto}.why-grid{display:grid;grid-template-columns:repeat(5,1fr)}.why-item{text-align:center;padding:8px 24px 18px;border-right:1px solid rgba(255,255,255,.16)}.why-item:last-child{border-right:0}.why-icon{width:126px;height:126px;margin:0 auto 18px;border:1.5px solid rgba(255,255,255,.2);border-radius:50%;display:grid;place-items:center;background:rgba(255,255,255,.015);transition:var(--ease)}.why-icon img{width:62px;height:62px;display:block;object-fit:contain;transition:transform .3s ease}.why-item strong{display:block;font-size:17px;font-weight:800;line-height:1.16;white-space:nowrap}.why-item p{font-size:13px;line-height:1.55;color:rgba(255,255,255,.76);margin:11px auto 0;max-width:240px}@media(hover:hover) and (pointer:fine){.why-item:hover .why-icon{transform:translateY(-4px);border-color:rgba(237,0,0,.42);background:rgba(237,0,0,.05);box-shadow:0 10px 24px rgba(0,0,0,.22)}.why-item:hover .why-icon img{transform:scale(1.04)}}

.quote-cta{position:relative;overflow:hidden;background:#eceeef;min-height:250px;display:flex;align-items:center}.quote-cta__image{position:absolute;inset:0;background:url('assets/cta-ingenieros-andina.png') right center/cover no-repeat;opacity:1}.quote-cta:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,#f4f5f6 0%,#f4f5f6 27%,rgba(244,245,246,.94) 40%,rgba(244,245,246,.76) 54%,rgba(244,245,246,.33) 68%,rgba(244,245,246,.08) 82%,rgba(244,245,246,0) 100%)}.quote-cta__content{position:relative;z-index:2;padding-block:50px}.quote-cta__content>*{max-width:650px}.quote-cta h2{font-size:39px}.quote-cta p:not(.eyebrow){font-size:13px;margin:10px 0 20px}.quote-cta__actions{display:flex;gap:14px;flex-wrap:wrap}

.footer{background:#080808;color:#fff;padding:46px 0 0}.footer__grid{display:grid;grid-template-columns:1.4fr .6fr 1fr .7fr;gap:50px;padding-bottom:38px}.footer__brand img{width:210px;filter:none}.footer__brand p,.footer p{font-size:11px;color:rgba(255,255,255,.65)}.footer h3{font-size:12px;margin:0 0 14px}.footer a{display:block;font-size:11px;color:rgba(255,255,255,.78);margin:6px 0}.footer a:hover{color:#fff}.socials{display:flex;gap:10px}.socials a{width:36px;height:36px;border:1px solid rgba(255,255,255,.25);display:grid;place-items:center;border-radius:3px;margin:0;background:rgba(255,255,255,.025)}.socials a img{width:17px;height:17px;display:block;object-fit:contain}.footer__bottom{border-top:1px solid rgba(255,255,255,.12);padding:17px 0;font-size:10px;color:rgba(255,255,255,.5);display:flex;justify-content:space-between}

.whatsapp-float{position:fixed;right:22px;bottom:22px;z-index:1200;width:58px;height:58px;border-radius:50%;background:var(--red);color:#fff;display:grid;place-items:center;box-shadow:0 10px 28px rgba(0,0,0,.28);transition:var(--ease)}.whatsapp-float>img{width:29px;height:29px;display:block;object-fit:contain}.whatsapp-float span{position:absolute;right:70px;white-space:nowrap;background:#fff;color:#222;border:1px solid #ddd;border-radius:20px;padding:8px 12px;font-size:10px;font-weight:700;opacity:0;transform:translateX(8px);transition:var(--ease);pointer-events:none}.whatsapp-float:hover{transform:scale(1.06)}.whatsapp-float:hover span{opacity:1;transform:none}

.reveal{opacity:0;transform:translateY(18px);transition:opacity .65s ease,transform .65s ease}.reveal.is-visible{opacity:1;transform:none}

@media(max-width:1050px){.service-grid{grid-template-columns:repeat(3,1fr)}.project-grid{grid-template-columns:repeat(3,1fr)}.nav{gap:20px}.header__cta{display:none}.hero h1{font-size:58px}.why__content{width:min(100% - 52px,1200px)}.why h2{font-size:42px;margin-bottom:34px}.why-grid{grid-template-columns:repeat(3,1fr);row-gap:26px}.why-item:nth-child(3){border-right:0}.why-icon{width:112px;height:112px}.why-icon img{width:54px;height:54px}.why-item strong{font-size:16px;white-space:normal}.footer__grid{grid-template-columns:1.2fr .8fr 1fr}.footer__grid>div:last-child{grid-column:2/4}}
@media(max-width:800px){.topbar{display:none}.header__inner{min-height:68px}.brand img{width:155px}.nav-toggle{display:block;margin-left:auto}.nav{position:absolute;left:0;right:0;top:68px;background:#fff;display:none;flex-direction:column;align-items:stretch;gap:0;border-top:1px solid #eee;box-shadow:0 16px 30px rgba(0,0,0,.12)}.nav.open{display:flex}.nav a{padding:16px 20px;border-bottom:1px solid #eee}.nav a:after{display:none}.hero{min-height:650px}.hero__media{background-position:74% center}.hero__shade{background:rgba(8,8,8,.72)}.hero__content{padding-block:60px 42px;align-items:flex-start}.hero__quote{display:none}.hero h1{font-size:clamp(43px,11vw,62px);line-height:.98;letter-spacing:-1.8px}.hero__lead{font-size:16px;line-height:1.45}.hero__actions .btn{min-height:50px;padding:0 22px}.hero__actions .btn__icon{width:17px;height:17px;flex-basis:17px}.hero__values{gap:20px;flex-wrap:wrap}.section{padding:54px 0}.section-head{grid-template-columns:1fr;gap:14px}.service-grid{grid-template-columns:repeat(2,1fr)}.about__image{background-position:center center}.about__shade{background:rgba(8,8,8,.82)}.about h2{font-size:38px}.proof-grid{grid-template-columns:repeat(2,1fr);row-gap:10px}.proof-grid>div:nth-child(2){border-right:0}.project-grid{grid-template-columns:repeat(2,1fr)}.why__content{width:min(100% - 34px,100%)}.why h2{font-size:36px;margin-bottom:28px}.why-grid{grid-template-columns:repeat(2,1fr)}.why-item{border-right:1px solid rgba(255,255,255,.15);padding:14px 16px 16px}.why-item:nth-child(even){border-right:0}.why-icon{width:96px;height:96px;margin-bottom:16px}.why-icon img{width:46px;height:46px}.why-item strong{font-size:16px;white-space:normal}.quote-cta__image{width:100%;opacity:.3;background-position:72% center}.quote-cta:after{background:rgba(244,245,246,.88)}.footer__grid{grid-template-columns:1fr 1fr}.footer__grid>div:last-child{grid-column:auto}.footer__bottom{gap:15px;flex-direction:column}}
@media(max-width:560px){.container{width:min(100% - 28px,var(--max))}.hero{min-height:620px}.hero h1{letter-spacing:-1.8px}.hero__actions .btn{width:100%}.hero__values{display:grid;grid-template-columns:1fr 1fr;margin-top:30px}.hero__values>div{grid-template-columns:30px auto}.value-icon{width:24px;height:24px}.value-icon img{width:24px;height:24px}.service-grid,.project-grid,.why-grid,.proof-grid{grid-template-columns:1fr}.service-card>img{height:190px}.proof-grid>div{border-right:0!important;border-bottom:1px solid var(--border);padding:16px}.proof-grid>div:last-child{border-bottom:0}.project-card img{height:200px}.why__content{width:min(100% - 26px,100%)}.why h2{font-size:32px;letter-spacing:-1px}.why-grid{grid-template-columns:1fr}.why-item{border-right:0!important;border-bottom:1px solid rgba(255,255,255,.12);padding:20px 8px}.why-item:last-child{border-bottom:0}.why-icon{width:92px;height:92px}.why-icon img{width:44px;height:44px}.why-item strong{font-size:17px}.about h2{font-size:34px}.quote-cta h2{font-size:33px}.quote-cta__actions .btn{width:100%}.footer__grid{grid-template-columns:1fr;gap:24px}.footer__bottom{padding-bottom:90px}.whatsapp-float{right:15px;bottom:15px}.whatsapp-float span{display:none}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.reveal{opacity:1;transform:none;transition:none}.service-card,.project-card img,.btn,.whatsapp-float{transition:none}}

/* =========================================================
   KANOX V03 — aplicación de recursos oficiales de marca
   ========================================================= */

/* Logo principal sobre superficies claras */
.brand img{
  width:186px;
  height:auto;
  display:block;
}

/* Hero: isotipo oficial rojo/blanco sobre fondo oscuro */
.hero__quote-wrap{
  margin:0 0 6px;
  display:flex;
  align-items:flex-start;
  gap:14px;
  max-width:260px;
}
.hero__isotipo{
  width:46px;
  height:46px;
  flex:0 0 46px;
  object-fit:contain;
}
.hero__quote-wrap .hero__quote{
  margin:0;
  text-align:left;
  padding-top:9px;
  flex:1;
}

/* Watermark discreto para la sección oscura */
.why{
  position:relative;
  overflow:hidden;
  isolation:isolate;
}

.why__watermark{
  position:absolute;
  z-index:1;
  right:3.5%;
  top:50%;
  width:315px;
  height:auto;
  transform:translateY(-50%) rotate(-6deg);
  opacity:.03;
  pointer-events:none;
  user-select:none;
}

/* Footer de alto contraste usando versión negativa oficial */
.footer{
  background:linear-gradient(135deg,#050505 0%,#0b0b0b 55%,#111 100%);
  color:#fff;
  padding:54px 0 0;
  border-top:3px solid var(--red);
}
.footer__grid{
  display:grid;
  grid-template-columns:1.2fr .55fr 1fr .65fr;
  gap:36px;
  align-items:start;
  padding-bottom:42px;
}
.footer__brand{
  max-width:360px;
  padding-right:24px;
}
.footer__logo{
  width:min(270px,100%);
  height:auto;
  display:block;
  margin:0 0 17px;
  filter:none;
}
.footer__tagline{
  margin:0;
  max-width:315px;
  color:rgba(255,255,255,.88)!important;
  font-size:13px!important;
  line-height:1.55;
}
.footer__brand-detail{
  display:flex;
  align-items:center;
  gap:11px;
  margin-top:20px;
  padding-top:18px;
  border-top:1px solid rgba(255,255,255,.12);
  color:rgba(255,255,255,.64);
  font-size:10px;
  font-weight:600;
  line-height:1.4;
  text-transform:uppercase;
  letter-spacing:.45px;
}
.footer__brand-detail img{
  width:31px;
  height:31px;
  object-fit:contain;
  flex:0 0 31px;
}
.footer h3{
  margin:4px 0 17px;
  color:#fff;
  font-size:13px;
  font-weight:800;
  letter-spacing:.2px;
}
.footer__nav a{
  width:max-content;
  color:rgba(255,255,255,.78);
  font-size:12px;
  margin:8px 0;
  transition:var(--ease);
}
.footer__nav a:hover{
  color:#fff;
  transform:translateX(3px);
}
.footer-contact-link{
  display:flex!important;
  align-items:flex-start;
  gap:10px;
  color:rgba(255,255,255,.86)!important;
  font-size:12px!important;
  line-height:1.45;
  margin:0 0 13px!important;
}
.footer-contact-link svg{
  width:17px;
  height:17px;
  flex:0 0 17px;
  margin-top:1px;
  fill:none;
  stroke:var(--red);
  stroke-width:1.8;
  stroke-linecap:round;
  stroke-linejoin:round;
}
.footer-contact-link--static{
  cursor:default;
}
.footer-contact-link:hover{
  color:#fff!important;
}
.footer .socials{
  display:flex;
  flex-wrap:wrap;
  gap:9px;
}
.footer .socials a{
  width:36px;
  height:36px;
  margin:0;
  display:grid;
  place-items:center;
  border:1px solid rgba(255,255,255,.20);
  border-radius:3px;
  color:#fff;
  background:rgba(255,255,255,.035);
  transition:var(--ease);
}
.footer .socials a:hover{
  border-color:var(--red);
  background:var(--red);
  transform:translateY(-2px);
}
.footer__bottom{
  display:flex;
  justify-content:space-between;
  gap:20px;
  padding:18px 0;
  border-top:1px solid rgba(255,255,255,.12);
  color:rgba(255,255,255,.48);
  font-size:10px;
}
.footer__bottom span{
  color:rgba(255,255,255,.42);
}

@media(max-width:1050px){
  .footer__grid{
    grid-template-columns:1.25fr .75fr 1fr;
  }
  .footer__social{
    grid-column:2/4;
  }
}
@media(max-width:800px){
  .hero__quote-wrap{display:none}
  .why__watermark{width:210px;right:-3%;opacity:.02}
  .footer__grid{
    grid-template-columns:1fr 1fr;
    gap:34px 28px;
  }
  .footer__brand{
    grid-column:1/-1;
    max-width:430px;
    padding-right:0;
  }
  .footer__social{grid-column:auto}
  .footer__logo{width:250px}
}
@media(max-width:560px){
  .footer{padding-top:42px}
  .footer__grid{
    grid-template-columns:1fr;
    gap:28px;
  }
  .footer__brand,
  .footer__social{grid-column:auto}
  .footer__logo{width:230px}
  .footer__brand-detail{max-width:320px}
  .footer__bottom{flex-direction:column;padding-bottom:90px}
  .why__watermark{display:none}
}

.hero__quote-wrap,.hero__isotipo{display:none!important;}

@media(max-width:560px){.header__cta .btn__icon,.hero__actions .btn__icon{width:16px;height:16px;flex-basis:16px}.hero__lead{max-width:100%}.hero__values strong{font-size:13px}.hero__values small{font-size:11px}}

/* KANOX V12 — iconografía oficial de redes sociales */
.footer .socials a img{
  width:18px;
  height:18px;
  display:block;
  object-fit:contain;
}
.footer .socials a:hover{
  background:rgba(237,0,0,.10);
}
.quote-cta__actions .btn--whatsapp .btn__social-icon{
  width:18px;
  height:18px;
  flex-basis:18px;
}
@media(max-width:560px){
  .quote-cta__actions .btn--whatsapp .btn__social-icon{width:17px;height:17px;flex-basis:17px}
  .whatsapp-float>img{width:27px;height:27px}
}