:root{
  --graphite:#1e2328;
  --steel:#2b3138;
  --line:#3a414a;
  --concrete:#eeece8;
  --paper:#ffffff;
  --ink:#1e2328;
  --muted:#5d636b;
  --orange:#dd7e2f;
  --orange-ink:#a9561a;
  --warm:#726761;
  --signal:#34c26f;
  --display:"Barlow Condensed","Arial Narrow",sans-serif;
  --body:"Barlow",system-ui,-apple-system,"Segoe UI",sans-serif;
  --wrap:1200px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:80px}
body{margin:0;font-family:var(--body);font-size:18px;line-height:1.55;color:var(--ink);background:var(--paper);-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:inherit}
h1,h2,h3{font-family:var(--display);font-weight:700;line-height:1.02;margin:0;letter-spacing:-.005em}
h2{font-size:clamp(38px,5vw,60px)}
h3{font-size:26px;font-weight:600;line-height:1.1}
p{margin:0}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 28px}
.skip{position:absolute;left:-999px;top:8px;background:var(--orange);color:#fff;padding:8px 14px;z-index:100}
.skip:focus{left:8px}
:focus-visible{outline:3px solid var(--orange);outline-offset:3px}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:52px;padding:0 26px;background:var(--orange);color:#fff;font-family:var(--display);font-weight:600;font-size:21px;letter-spacing:.01em;text-decoration:none;border:2px solid var(--orange);border-radius:2px;transition:background .15s,color .15s}
.btn:hover{background:#c96d22;border-color:#c96d22}
.btn--ghost{background:transparent;border-color:rgba(255,255,255,.55)}
.btn--ghost:hover{background:#fff;color:var(--graphite);border-color:#fff}
.btn--sm{min-height:42px;padding:0 18px;font-size:18px}

/* nav */
.nav{position:fixed;inset:0 0 auto;z-index:50;background:rgba(30,35,40,.92);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);color:#fff;border-bottom:1px solid rgba(255,255,255,.08)}
.nav__in{display:flex;align-items:center;justify-content:space-between;height:72px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none}
.brand img{height:48px;width:auto}
.brand span{font-family:var(--display);font-weight:700;font-size:24px;letter-spacing:.02em}
.nav__menu{display:flex;align-items:center;gap:30px}
.nav__menu a:not(.btn){text-decoration:none;font-weight:500;font-size:16px;color:rgba(255,255,255,.85)}
.nav__menu a:not(.btn):hover{color:#fff}
.nav__toggle{display:none;background:none;border:1px solid rgba(255,255,255,.4);color:#fff;font:600 16px var(--body);padding:8px 14px;border-radius:2px;cursor:pointer}

/* hero */
.hero{position:relative;min-height:100vh;min-height:100svh;display:flex;flex-direction:column;justify-content:flex-end;color:#fff;background:var(--graphite);overflow:hidden}
.hero__bg img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:60% center}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(30,35,40,.94) 0%,rgba(30,35,40,.78) 42%,rgba(30,35,40,.15) 80%),linear-gradient(0deg,rgba(30,35,40,.9) 0%,rgba(30,35,40,0) 35%)}
.hero__in{position:relative;z-index:2;padding-top:120px;padding-bottom:56px;width:100%}
.hero__title{font-size:clamp(54px,min(9.2vw,15vh),132px);font-weight:800;line-height:.86;text-transform:uppercase;letter-spacing:-.01em}
.hero__title span{display:block}
.hero__title span:last-child{color:var(--orange)}
.hero__lead{max-width:34em;margin-top:28px;font-size:clamp(18px,1.6vw,21px);color:rgba(255,255,255,.88)}
.hero__cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}

/* status strip: reads like a reader display */
.status{position:relative;z-index:2;background:rgba(0,0,0,.35);border-top:1px solid rgba(255,255,255,.12)}
.status__in{display:flex;align-items:center;gap:18px;height:58px}
.status__win{flex:1;overflow:hidden;-webkit-mask-image:linear-gradient(90deg,transparent,#000 4%,#000 88%,transparent);mask-image:linear-gradient(90deg,transparent,#000 4%,#000 88%,transparent)}
.status__dot{flex:none;width:10px;height:10px;border-radius:50%;background:var(--signal);box-shadow:0 0 0 4px rgba(52,194,111,.22)}
.status__track{display:inline-flex;gap:44px;white-space:nowrap;font-family:var(--display);font-weight:500;font-size:20px;color:rgba(255,255,255,.8);animation:slide 48s linear infinite}
@keyframes slide{to{transform:translateX(-50%)}}

/* facts */
.facts{background:var(--graphite);color:#fff;border-top:1px solid var(--line)}
.facts__in{display:grid;grid-template-columns:repeat(3,1fr)}
.fact{padding:40px 32px 44px 0;display:flex;flex-direction:column;gap:6px}
.fact+.fact{padding-left:32px;border-left:1px solid var(--line)}
.fact b{font-family:var(--display);font-size:46px;font-weight:700;line-height:1;color:var(--orange)}
.fact span{color:rgba(255,255,255,.75);font-size:16px;max-width:24em}

/* sections */
.sec{padding:120px 0}
.sec--alt{background:var(--concrete)}
.sec__head{display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:end;margin-bottom:64px}
.sec__head p{color:var(--muted);max-width:38em}

/* solutions */
.sol{display:grid;grid-template-columns:1fr 1fr;gap:64px 48px}
.sol__item{display:grid;grid-template-columns:200px 1fr;gap:28px;align-items:start;padding-top:28px;border-top:2px solid var(--ink)}
.sol__item img{aspect-ratio:1;object-fit:cover;width:100%;height:auto}
.sol__item p{margin-top:12px;color:var(--muted);font-size:17px}
.sol__item ul{margin:16px 0 0;padding:0;list-style:none;font-size:16px}
.sol__item li{padding:7px 0;border-top:1px solid #e1ded8}
.sol__item li::before{content:"";display:inline-block;width:8px;height:8px;background:var(--orange);margin-right:12px;vertical-align:1px}

/* sectors */
.sectors{display:grid;grid-template-columns:1fr 1fr}
.sector{position:relative;min-height:560px;display:flex;align-items:flex-end;color:#fff;overflow:hidden}
.sector img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.sector::after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(30,35,40,.95) 0%,rgba(30,35,40,.55) 45%,rgba(30,35,40,.05) 100%)}
.sector__txt{position:relative;z-index:1;padding:48px;max-width:560px}
.sector__txt h2{font-size:clamp(34px,3.6vw,48px)}
.sector__txt p{margin-top:14px;color:rgba(255,255,255,.86)}

/* maintenance */
.maint{background:var(--graphite);color:#fff;padding:120px 0}
.maint__in{display:grid;grid-template-columns:7fr 5fr;gap:72px;align-items:center}
.maint__txt h2{max-width:13em}
.maint__txt>p{margin-top:22px;color:rgba(255,255,255,.8);max-width:34em}
.checks{list-style:none;padding:0;margin:30px 0 38px;display:grid;grid-template-columns:1fr 1fr;gap:12px 28px}
.checks li{display:flex;gap:12px;align-items:flex-start;font-size:17px}
.checks li::before{content:"";flex:none;width:20px;height:20px;margin-top:3px;border-radius:50%;background:var(--signal) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath d='M5.5 10.5l3 3 6-7' fill='none' stroke='%231e2328' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/16px no-repeat}
.maint__img{margin:0;position:relative}
.maint__img img{aspect-ratio:4/5;object-fit:cover;width:100%}
.maint__img::before{content:"";position:absolute;left:-16px;top:-16px;width:96px;height:96px;border-left:4px solid var(--orange);border-top:4px solid var(--orange)}

/* projects table */
.table{border-top:2px solid var(--ink)}
.row{display:grid;grid-template-columns:3fr 2fr 7fr;gap:24px;padding:20px 0;border-bottom:1px solid #dcd9d3;align-items:baseline}
.row b{font-family:var(--display);font-weight:600;font-size:24px;line-height:1.15}
.row span{font-size:17px}
.row span:nth-child(2){color:var(--orange-ink);font-weight:600;font-size:15px}
.row--h{padding:12px 0;color:var(--muted)}
.row--h span{font-size:14px!important;font-weight:600;color:var(--muted)!important}

/* steps (a real sequence) */
.steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(5,1fr);gap:0;counter-reset:s}
.steps li{counter-increment:s;padding:0 24px 0 0;position:relative}
.steps li::before{content:counter(s);display:flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:50%;background:var(--ink);color:#fff;font-family:var(--display);font-weight:700;font-size:22px;margin-bottom:22px;position:relative;z-index:1}
.steps li::after{content:"";position:absolute;top:22px;left:44px;right:0;height:2px;background:#cfcbc4}
.steps li:last-child::after{display:none}
.steps li:first-child::before{background:var(--orange)}
.steps h3{font-size:25px}
.steps p{margin-top:10px;font-size:16px;color:var(--muted)}

/* why */
.why{padding:120px 0}
.why__in{display:grid;grid-template-columns:4fr 8fr;gap:48px}
.why__grid{display:grid;grid-template-columns:1fr 1fr;gap:40px 48px}
.why__grid h3{font-size:24px}
.why__grid p{margin-top:8px;color:var(--muted);font-size:17px}

/* contact */
.contact{background:var(--orange);color:#fff;padding:100px 0}
.contact__in{display:grid;grid-template-columns:5fr 7fr;gap:56px;align-items:center}
.contact h2{font-size:clamp(42px,5.4vw,68px)}
.contact p{margin-top:16px;max-width:28em;color:rgba(255,255,255,.95)}
.contact__ways{display:grid;grid-template-columns:1fr 1fr;gap:2px;background:rgba(30,35,40,.18)}
.way{display:flex;flex-direction:column;gap:4px;padding:26px 28px;background:var(--orange);text-decoration:none;transition:background .15s}
.way:hover{background:#c96d22}
.way small{font-size:15px;opacity:.85}
.way b{font-family:var(--display);font-weight:700;font-size:30px;line-height:1.1;word-break:break-word}
.way--wa{grid-column:1/-1;background:var(--graphite)}
.way--wa:hover{background:var(--steel)}
.way--wa b{font-size:40px}

/* footer */
.foot{background:var(--graphite);color:rgba(255,255,255,.7);padding:56px 0;font-size:15px}
.foot__in{display:flex;gap:28px;align-items:center}
.foot img{height:60px;width:auto}
.foot__c{margin-left:auto}

.wa-float{position:fixed;right:22px;bottom:22px;z-index:60;width:58px;height:58px;border-radius:50%;background:#25d366;color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:0 6px 18px rgba(0,0,0,.25)}

/* responsive */
@media (max-width:1000px){
  .sol{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr;gap:28px}
  .steps li{padding:0 0 0 68px}
  .steps li::before{position:absolute;left:0;top:-6px;margin:0}
  .steps li::after{left:21px;top:44px;bottom:-28px;right:auto;width:2px;height:auto}
  .maint__in,.why__in,.contact__in,.sec__head{grid-template-columns:1fr;gap:28px}
  .maint__img{max-width:520px}
}
@media (max-width:820px){
  body{font-size:17px}
  .nav__toggle{display:block}
  .nav__menu{position:absolute;top:72px;left:0;right:0;flex-direction:column;align-items:stretch;gap:0;background:var(--graphite);padding:8px 28px 24px;display:none;border-bottom:1px solid var(--line)}
  .nav__menu.open{display:flex}
  .nav__menu a:not(.btn){padding:14px 0;border-bottom:1px solid var(--line);font-size:18px}
  .nav__menu .btn{margin-top:18px}
  .facts__in{grid-template-columns:1fr}
  .fact,.fact+.fact{padding:26px 0;border-left:0;border-top:1px solid var(--line)}
  .fact:first-child{border-top:0}
  .sectors{grid-template-columns:1fr}
  .sector{min-height:460px}
  .sector__txt{padding:32px 28px}
  .sec,.maint,.why{padding:80px 0}
  .row{grid-template-columns:1fr;gap:4px}
  .row--h{display:none}
  .checks,.why__grid,.contact__ways{grid-template-columns:1fr}
  .way--wa b{font-size:34px}
  .foot__in{flex-direction:column;align-items:flex-start}
  .foot__c{margin-left:0}
}
@media (max-width:560px){
  .wrap{padding:0 20px}
  .sol__item{grid-template-columns:1fr}
  .sol__item img{aspect-ratio:16/10}
  .hero__in{padding-bottom:40px}
  .hero__cta .btn{width:100%}
}

/* teléfono */
@media (max-width:640px){
  body{font-size:16px}
  h2{font-size:34px}
  h3{font-size:22px}
  .nav__in{height:64px}
  .brand img{height:40px}
  .brand span{font-size:21px}
  .nav__menu{top:64px}
  .hero{min-height:auto}
  .hero::after{background:linear-gradient(0deg,rgba(30,35,40,.97) 0%,rgba(30,35,40,.88) 55%,rgba(30,35,40,.55) 100%)}
  .hero__bg img{object-position:70% center}
  .hero__in{padding-top:118px;padding-bottom:36px}
  .hero__title{font-size:clamp(44px,13vw,60px);line-height:.9}
  .hero__lead{font-size:16px;margin-top:18px}
  .hero__cta{margin-top:24px;gap:10px}
  .btn{min-height:48px;font-size:19px}
  .status__in{height:46px;gap:12px}
  .status__track{font-size:16px;gap:28px}
  .facts__in{grid-template-columns:1fr 1fr 1fr;gap:12px;padding-top:22px;padding-bottom:22px}
  .fact,.fact+.fact{padding:0;border:0;gap:4px}
  .fact b{font-size:21px}
  .fact span{font-size:12.5px;line-height:1.35}
  .sec,.maint,.why{padding:60px 0}
  .sec__head{margin-bottom:32px;gap:12px}
  .sol{gap:32px}
  .sol__item{grid-template-columns:96px 1fr;gap:16px;padding-top:20px}
  .sol__item img{aspect-ratio:1}
  .sol__item p{font-size:15px;margin-top:8px}
  .sol__item ul{grid-column:1/-1;margin-top:4px;font-size:15px}
  .sol__item>div{display:contents}
  .sol__item h3{grid-column:2;align-self:center}
  .sol__item p{grid-column:1/-1}
  .sector{min-height:340px}
  .sector__txt{padding:24px 20px}
  .sector__txt h2{font-size:30px}
  .sector__txt p{font-size:15px}
  .maint__txt>p{font-size:16px}
  .checks{margin:22px 0 28px}
  .checks li{font-size:16px}
  .maint__img img{aspect-ratio:16/10}
  .maint__img::before{display:none}
  .row{padding:14px 0}
  .row b{font-size:20px}
  .row span{font-size:15px}
  .row span:nth-child(2){font-size:13px}
  .steps h3{font-size:22px}
  .steps p{font-size:15px}
  .why__grid{gap:22px}
  .why__grid h3{font-size:21px}
  .why__grid p{font-size:15px}
  .contact{padding:64px 0}
  .contact h2{font-size:38px}
  .contact__in{gap:24px}
  .way{padding:18px 20px}
  .way b{font-size:24px}
  .way--wa b{font-size:30px}
  .foot{padding:40px 0}
  .wa-float{width:52px;height:52px;right:14px;bottom:14px}
}

@media (max-width:640px){
  .sol__item{grid-template-columns:76px 1fr;gap:14px}
  .sector{min-height:270px}
  .sector__txt{padding:20px}
  .sector__txt h2{font-size:26px}
  .sector__txt p{font-size:14px;margin-top:8px}
  .maint__in{grid-template-columns:1fr}
  .maint__img{order:-1;max-width:none}
  .maint__img img{aspect-ratio:auto;height:170px}
  .hero__in{padding-top:100px}
}

/* teléfono y tableta chica: imágenes compactas */
@media (max-width:820px){
  .sol{gap:28px}
  .sol__item{display:grid;grid-template-columns:64px 1fr;gap:14px;align-items:center;padding-top:18px}
  .sol__item>div{display:contents}
  .sol__item img{width:64px;height:64px;aspect-ratio:1;object-fit:cover}
  .sol__item h3{grid-column:2;font-size:21px}
  .sol__item p,.sol__item ul{grid-column:1/-1}
  .sol__item p{margin-top:2px;font-size:15px}
  .sol__item ul{margin-top:0;font-size:15px}
  .sector{min-height:220px}
  .sector__txt{padding:18px 20px}
  .sector__txt h2{font-size:24px}
  .sector__txt p{font-size:14px;margin-top:6px}
  .maint__in{grid-template-columns:1fr}
  .maint__img{order:-1;max-width:none}
  .maint__img img{aspect-ratio:auto;width:100%;height:130px;object-fit:cover}
  .maint__img::before{display:none}
}

/* teléfono: ajustes finales */
@media (max-width:820px){
  .sol__item{display:block;text-align:center;padding-top:24px}
  .sol__item>div{display:block}
  .sol__item img{width:150px;height:150px;margin:0 auto 14px}
  .sol__item h3{font-size:24px}
  .sol__item p{margin-top:8px}
  .sol__item ul{text-align:left;margin-top:14px}
}
@media (max-width:640px){
  body{font-size:17.5px}
  h2{font-size:36px}
  .hero{min-height:100svh}
  .hero__bg img{object-position:78% 30%}
  .hero::after{background:linear-gradient(180deg,rgba(30,35,40,.2) 0%,rgba(30,35,40,.25) 28%,rgba(30,35,40,.88) 52%,rgba(30,35,40,.97) 100%)}
  .hero__in{padding-top:38svh}
  .hero__lead{font-size:17.5px}
  .status__track{font-size:17px}
  .fact b{font-size:23px}
  .fact span{font-size:14px}
  .sec__head p,.sol__item p,.sol__item ul,.maint__txt>p,.checks li,.row span,.steps p,.why__grid p,.sector__txt p,.contact p{font-size:17px}
  .row span:nth-child(2){font-size:14.5px}
  .sector__txt p{font-size:15.5px}
  .foot{font-size:15.5px}
}

/* teléfono: portada con la imagen completa arriba y el texto abajo */
@media (max-width:640px){
  .hero{display:block;min-height:0;padding-top:64px}
  .hero::after{display:none}
  .hero__bg{display:block;position:relative}
  .hero__bg img{position:relative;inset:auto;width:100%;height:auto;aspect-ratio:1671/941;object-fit:cover;object-position:center}
  .hero__bg::after{content:"";position:absolute;left:0;right:0;bottom:0;height:28%;background:linear-gradient(0deg,var(--graphite),rgba(30,35,40,0))}
  .hero__in{padding-top:18px;padding-bottom:32px}
}

/* logos de clientes en proyectos */
.row{grid-template-columns:4.6fr 1.6fr 6.8fr;align-items:center}
.cli{display:flex;align-items:center;gap:18px}
.cli__logo{flex:none;width:164px;height:72px;display:flex;align-items:center;justify-content:center;background:#fff;border:1px solid #e4e1db;border-radius:4px;padding:6px 8px}
.cli__logo img{max-width:100%;max-height:100%;width:auto;height:auto;object-fit:contain}
@media (max-width:820px){
  .row{grid-template-columns:1fr;gap:6px;align-items:start}
  .cli{gap:14px}
  .cli__logo{width:140px;height:62px}
}

/* carrusel de logos de clientes */
.status__in{height:88px}
.status__track{gap:0;animation-duration:40s}
.chip{flex:none;display:flex;align-items:center;justify-content:center;width:156px;height:60px;margin-right:18px;background:#fff;border-radius:6px;padding:8px 14px}
.chip img{max-width:100%;max-height:100%;width:auto;height:auto;object-fit:contain}
.status__track:hover{animation-play-state:paused}
@media (max-width:640px){
  .status__in{height:70px}
  .chip{width:116px;height:46px;margin-right:12px;padding:6px 10px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .status__track{animation:none}
}