/* ACSI · Sitio corporativo responsive. Sin frameworks ni dependencias externas. */
:root {
  --navy: #061b36;
  --navy-2: #0b294c;
  --navy-3: #103c66;
  --blue: #0058b5;
  --electric: #0799ef;
  --cyan: #47c6ff;
  --ink: #132944;
  --text: #364e65;
  --muted: #617487;
  --white: #fff;
  --pale: #f2f7fb;
  --line: #dde8f0;
  --shadow: 0 24px 70px rgba(5,30,60,.12);
  --radius: 16px;
  --max: 1220px;
  --ease: cubic-bezier(.2,.75,.25,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:90px}
body{margin:0;background:var(--white);color:var(--ink);font:400 16px/1.6 Inter,"Segoe UI",Arial,sans-serif;-webkit-font-smoothing:antialiased;min-width:320px}
body.menu-open{overflow:hidden}
::selection{background:rgba(7,153,239,.25)}
img,svg{max-width:100%}
img{display:block}
button,input,textarea,select{font:inherit}
button{cursor:pointer}
a{color:inherit;text-decoration:none}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid #2d9de6;outline-offset:3px}
h1,h2,h3,p{margin-top:0}
h1,h2,h3{line-height:1.15;letter-spacing:-.04em}
p{margin-bottom:0}
.container{width:min(calc(100% - 64px),var(--max));margin-inline:auto}
.section{padding:108px 0}
.ico{width:1.12em;height:1.12em;flex:none;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;vertical-align:-.15em}
.skip-link{position:fixed;z-index:1000;left:20px;top:-60px;background:#fff;padding:10px 18px;border-radius:8px}
.skip-link:focus{top:12px}
.eyebrow{display:inline-flex;align-items:center;gap:12px;color:var(--blue);font-weight:800;font-size:.75rem;letter-spacing:.18em;text-transform:uppercase;margin-bottom:20px}
.eyebrow--light{color:var(--cyan)}
.eyebrow__line{height:1px;width:31px;background:currentColor}
.btn{display:inline-flex;justify-content:center;align-items:center;gap:14px;padding:15px 23px;min-height:52px;border:1px solid transparent;border-radius:8px;font-size:.87rem;font-weight:750;line-height:1.1;white-space:nowrap;transition:background .2s,transform .2s,box-shadow .2s,border-color .2s;color:var(--ink)}
.btn:hover{transform:translateY(-2px)}
.btn .ico{font-size:1.1rem}
.btn--primary,.btn--nav,.btn--dark{background:var(--navy);color:#fff}
.btn--primary:hover,.btn--nav:hover,.btn--dark:hover{background:#113d6b}
.btn--nav{padding:13px 18px;min-height:45px;font-size:.78rem}
.btn--electric{background:linear-gradient(135deg,#068ee4,#006acb);color:#fff;box-shadow:0 10px 24px rgba(0,122,224,.21)}
.btn--electric:hover{background:linear-gradient(135deg,#11a6ff,#0577d9);box-shadow:0 14px 30px rgba(0,122,224,.32)}
.btn--outline-light{border:1px solid rgba(255,255,255,.57);color:white;background:rgba(255,255,255,.04)}
.btn--outline-light:hover{background:rgba(255,255,255,.13)}
.btn--light{background:#e9f0f6}
.btn--light:hover{background:#dbe7f0}
/* Header */
.header{position:sticky;top:0;z-index:90;background:rgba(255,255,255,.98);box-shadow:0 1px 0 rgba(8,34,65,.1);backdrop-filter:blur(15px)}
.header__inner{height:86px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.header__logo{width:210px;flex:none;display:flex;align-items:center}
.header__logo img{width:100%;height:auto;max-height:76px;object-fit:contain}
.nav{display:flex;align-items:center;gap:25px;min-width:0}
.nav__link{font-weight:680;font-size:.8rem;color:#18334e;position:relative;white-space:nowrap;padding:32px 0}
.nav__link::after{content:"";position:absolute;bottom:26px;left:0;right:100%;height:2px;background:var(--electric);transition:right .22s}
.nav__link:hover,.nav__link--active{color:#0068be}
.nav__link:hover::after,.nav__link--active::after{right:0}
.nav__mobile-cta,.menu-toggle{display:none}
/* Hero */
.hero{position:relative;min-height:640px;display:flex;align-items:stretch;background:radial-gradient(ellipse at 70% -20%,#18456e 0,transparent 40%),linear-gradient(115deg,#071c36,#081e3b 74%);color:#fff;overflow:hidden;isolation:isolate}
.hero::before{content:"";position:absolute;z-index:-1;inset:0;background:linear-gradient(90deg,#06182f 0%,#061b35 33%,rgba(6,27,53,.88) 46%,rgba(6,27,53,.15) 70%,rgba(6,27,53,.02) 100%)}
.hero__grid{position:absolute;inset:0;pointer-events:none;z-index:-1;background-image:linear-gradient(rgba(87,159,212,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(87,159,212,.07) 1px,transparent 1px);background-size:70px 70px;mask-image:linear-gradient(to right,#000,transparent 62%)}
.hero__image{position:absolute;z-index:-2;inset:0 0 0 41%;background-image:url('../assets/hero/industrial-acsi.webp');background-position: center 38%;background-size:cover}
.hero__image::after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(1,14,34,.56),transparent 32%),linear-gradient(90deg,rgba(3,21,42,.65),transparent 45%)}
.hero__content{position:relative;display:flex;align-items:center;padding-top:78px;padding-bottom:92px}
.hero__copy{width:min(680px,57%);position:relative;z-index:2}
.hero h1{font-size:clamp(3.2rem,5.1vw,5.35rem);line-height:1.04;letter-spacing:-.057em;max-width:660px;margin:0 0 25px;font-weight:800}
.hero h1 span{color:#65ceff}
.hero__copy>p{font-size:1.05rem;line-height:1.78;max-width:545px;color:#d7e6f4}
.hero__copy>p strong{font-weight:700;color:white}
.hero__actions{display:flex;flex-wrap:wrap;gap:13px;margin:32px 0 48px}
.hero__actions .btn{min-width:190px}
.hero__sectors{display:flex;align-items:center;flex-wrap:wrap;gap:22px;color:#d6e8f7;font-weight:700;font-size:.82rem}
.hero__sectors span{display:inline-flex;align-items:center;gap:9px}
.hero__sectors span+.hero__sectors span{border-left:1px solid rgba(255,255,255,.28);padding-left:22px}
.hero__sectors .ico{font-size:1.3rem;color:#4dbbf5}
.hero__corner{position:absolute;right:max(32px,calc((100vw - var(--max))/2));bottom:40px;display:flex;align-items:end;flex-direction:column;gap:1px;text-align:right;z-index:2;text-shadow:0 2px 6px #021b34}
.hero__corner span{font-size:1.35rem;font-weight:900;letter-spacing:.2em}
.hero__corner small{font-size:.68rem;text-transform:uppercase;letter-spacing:.12em;color:#c2e0f6}
/* expertise */
.expertise{background:#f5f9fc;border-bottom:1px solid var(--line)}
.expertise__inner{display:grid;grid-template-columns:repeat(4,1fr);min-height:109px}
.expertise__inner>div{display:flex;align-items:center;justify-content:center;gap:16px;position:relative}
.expertise__inner>div:not(:last-child)::after{content:"";position:absolute;right:0;top:25%;height:50%;width:1px;background:#d5e1eb}
.expertise__inner .ico{color:var(--blue);width:28px;height:28px;stroke-width:1.5}
.expertise__inner span{font-size:.75rem;line-height:1.4;color:#53687e}
.expertise__inner strong{color:var(--ink);font-weight:800}
/* Headings */
.section-top{display:flex;align-items:end;justify-content:space-between;gap:36px;margin-bottom:42px}
.section-top h2,.solar h2,.about h2,.contact h2{font-size:clamp(2.2rem,3.5vw,3.65rem);font-weight:800;max-width:680px;margin:0}
.section-top h2 span,.solar h2 span,.about h2 span{color:var(--blue)}
.section-top__aside{max-width:395px;line-height:1.8;color:var(--muted);font-size:.94rem;padding-bottom:5px}
/* service cards */
.services{background:#fff}
.services__grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.service-card{background:#fff;overflow:hidden;border-radius:var(--radius);border:1px solid var(--line);box-shadow:0 4px 16px rgba(4,37,74,.035);transition:transform .25s var(--ease),box-shadow .25s var(--ease)}
.service-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.service-card__photo{height:205px;position:relative;overflow:hidden;background:#e6edf3}
.service-card__photo img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.service-card:hover img{transform:scale(1.055)}
.service-card:nth-child(1) img{object-position:center 37%}
.service-card:nth-child(5) img{object-position:center 58%}
.service-card__photo span{position:absolute;top:16px;left:16px;background:rgba(5,29,54,.87);color:#9bdfff;font-weight:800;font-size:.73rem;border:1px solid rgba(255,255,255,.21);padding:5px 9px;border-radius:5px}
.service-card__body{padding:26px 26px 25px}
.service-card h3{font-size:1.32rem;letter-spacing:-.025em;margin-bottom:13px;min-height:2.25em}
.service-card p{color:var(--text);font-size:.88rem;line-height:1.8;min-height:5.3em}
.service-card a{margin-top:22px;color:#0069b8;display:inline-flex;align-items:center;gap:14px;font-size:.84rem;font-weight:800}
.service-card a .ico{transition:transform .2s}
.service-card a:hover .ico{transform:translateX(5px)}
.services__types{margin-top:34px;padding:20px 24px;border:1px solid #d8e7f2;background:#f3f8fc;border-radius:10px;color:#557187;font-size:.85rem;line-height:1.8}
.services__types strong{color:var(--navy)}
/* Photo portfolio */
.projects{background:linear-gradient(135deg,#071b34,#082748 82%);color:#fff;position:relative;overflow:hidden}
.projects::before{position:absolute;content:"";width:580px;height:580px;right:-180px;top:-190px;opacity:.22;border:1px solid #39a9f1;border-radius:50%;box-shadow:0 0 0 95px rgba(23,139,220,.05),0 0 0 190px rgba(23,139,220,.04);pointer-events:none}
.projects .section-top{position:relative}
.section-top--dark .section-top__aside{color:#b8ccdb}
.section-top--dark h2 span{color:#74d0ff}
.projects__mosaic{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:170px;grid-auto-flow:dense;gap:13px}
.gallery-card{position:relative;overflow:hidden;border-radius:9px;border:1px solid rgba(255,255,255,.13);background:#183a5b;cursor:pointer;padding:0;min-height:0;outline-offset:4px}
.gallery-card img{width:100%;height:100%;object-fit:cover;transition:transform .38s var(--ease),filter .3s}
.gallery-card:hover img,.gallery-card:focus-visible img{transform:scale(1.07);filter:brightness(.83)}
.gallery-card::after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(0,20,42,.28),transparent 55%);pointer-events:none}
.gallery-card--large{grid-column:span 2;grid-row:span 2}
.gallery-card--tall{grid-row:span 2}
.gallery-card__zoom{position:absolute;right:13px;bottom:13px;display:grid;place-items:center;width:32px;height:32px;background:rgba(255,255,255,.94);color:#082444;border-radius:50%;font-size:1.3rem;font-weight:300;z-index:1;opacity:0;transform:translateY(5px);transition:.2s}
.gallery-card:hover .gallery-card__zoom,.gallery-card:focus-visible .gallery-card__zoom{opacity:1;transform:none}
.projects__note{display:flex;align-items:center;gap:9px;color:#a9c1d5;font-size:.79rem;margin-top:21px}
.projects__note .ico{color:#69d1ff}
/* solar */
.solar{background:#eff6fb}
.solar__layout{display:grid;grid-template-columns:.95fr 1.05fr;gap:8%;align-items:center}
.solar__images{position:relative;height:455px;display:grid;grid-template-columns:1fr .55fr;gap:12px}
.solar__images img{height:100%;width:100%;object-fit:cover;border-radius:13px;box-shadow:0 20px 45px rgba(13,48,83,.13)}
.solar__images img:first-child{object-position:50% 36%}
.solar__images img:nth-child(2){object-position:53% 45%}
.solar__icon{position:absolute;width:94px;height:94px;background:var(--blue);border:7px solid #eff6fb;display:grid;place-items:center;border-radius:50%;right:calc(35% - 45px);top:calc(50% - 45px);color:#fff;box-shadow:0 10px 22px rgba(0,88,181,.14)}
.solar__icon .ico{width:37px;height:37px}
.solar h2{margin-bottom:24px}
.solar__content>p:not(.eyebrow){font-size:1rem;color:#48637a;line-height:1.85;max-width:500px}
.solar__list{padding:0;margin:25px 0 30px;list-style:none;display:grid;gap:12px}
.solar__list li{display:flex;align-items:flex-start;gap:11px;color:#284961;font-size:.88rem}
.solar__list .ico{background:#d6eafb;color:#0066bc;border-radius:50%;width:23px;height:23px;padding:4px;margin-top:1px}
/* about */
.about{background:#fff}
.about__layout{display:grid;grid-template-columns:1fr .77fr;gap:10%;align-items:center}
.about h2{max-width:650px;margin-bottom:26px}
.about__copy>p:not(.eyebrow){color:#4c6478;line-height:1.85;font-size:.96rem;margin-bottom:16px}
.about__copy>p strong{color:var(--ink)}
.about__chips{display:flex;flex-wrap:wrap;gap:9px;margin:30px 0 25px}
.about__chips span{display:inline-flex;align-items:center;gap:8px;background:#f0f7fd;border:1px solid #dceaf4;color:#255677;font-size:.75rem;font-weight:750;border-radius:100px;padding:8px 11px}
.about__chips .ico{color:#0083d8}
.link-text{display:inline-flex;align-items:center;gap:11px;font-size:.89rem;color:#0068b4;font-weight:850}
.link-text:hover .ico{transform:translateX(5px)}
.link-text .ico{transition:transform .2s}
.about__visual{height:510px;position:relative;margin-right:18px}
.about__visual>img{width:100%;height:100%;object-fit:cover;object-position:50% 65%;border-radius:14px}
.about__visual::before{content:"";position:absolute;inset:18px -18px -18px 18px;border:2px solid rgba(0,105,186,.3);border-radius:14px;z-index:-1}
.about__corner{position:absolute;bottom:20px;left:-23px;background:var(--navy);color:#fff;border-left:4px solid #21a9f5;padding:17px 28px;box-shadow:0 17px 28px rgba(3,20,42,.16);display:flex;flex-direction:column}
.about__corner span{font-size:1.4rem;letter-spacing:.15em;font-weight:900}
.about__corner small{font-size:.7rem;color:#bed7e8}
/* Contact */
.contact{background:linear-gradient(125deg,#071b36 10%,#0b335c 100%);color:#fff}
.contact__layout{display:grid;grid-template-columns:.83fr 1.17fr;gap:9%;align-items:start}
.contact h2{font-size:clamp(2.5rem,3.5vw,4rem);margin-bottom:25px}
.contact h2 span{color:#6ed0ff}
.contact__intro>p:not(.eyebrow){color:#bed3e3;line-height:1.86;max-width:390px}
.contact__bullets{display:grid;gap:16px;margin:36px 0 40px;font-weight:650;font-size:.87rem}
.contact__bullets span{display:flex;align-items:center;gap:12px}
.contact__bullets .ico{color:#5ac7ff;width:20px;height:20px}
.contact__details{border-top:1px solid #335978;padding-top:26px;display:grid;gap:14px;color:#e0edf6;font-size:.83rem}
.contact__details span,.contact__details a{display:inline-flex;align-items:center;gap:11px}
.contact__details a:hover{text-decoration:underline}
.contact__details .ico{color:#48c2ff}
.contact-form-wrap{background:#fff;color:var(--ink);border-radius:17px;box-shadow:0 35px 55px rgba(0,0,0,.15);padding:35px}
.contact-form__heading{display:flex;gap:17px;align-items:center;margin-bottom:26px}
.contact-form__heading h3{font-size:1.48rem;letter-spacing:-.03em;margin-bottom:5px}
.contact-form__heading p{color:#697f90;font-size:.82rem}
.contact-form__symbol{height:48px;width:48px;border-radius:12px;display:grid;place-items:center;color:#fff;background:var(--blue)}
.contact-form__symbol .ico{font-size:1.25rem}
.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.form-grid label{display:grid;gap:6px;font-weight:750;font-size:.76rem;color:#31506a}
.form-grid label span{color:#c44444}
.form-grid label small{font-size:.72rem;color:#758a99;font-weight:500}
.form-grid input,.form-grid textarea,.form-grid select{width:100%;border:1px solid #d5e2eb;background:#fbfdff;color:#152b40;border-radius:7px;font-size:.86rem;outline:0;transition:border-color .2s,box-shadow .2s;min-height:45px;padding:10px 12px}
.form-grid textarea{resize:vertical;min-height:106px}
.form-grid input:focus,.form-grid textarea:focus,.form-grid select:focus{border-color:#0079d4;box-shadow:0 0 0 3px rgba(0,121,212,.12)}
.form-grid input::placeholder,.form-grid textarea::placeholder{color:#9aabba}
.form-grid [aria-invalid=true]{border-color:#c44747!important;box-shadow:0 0 0 2px rgba(196,71,71,.12)}
.form-grid__wide{grid-column:1/-1}
.form-note{color:#6e8192;font-size:.73rem;margin:15px 0}
.form-submit{width:100%;border:0}
.form-status{font-size:.8rem;color:#315a79;margin-top:10px;min-height:1px}
/* Footer */
.footer{background:#041329;color:#e0eaf3}
.footer__main{padding:67px 0 50px;display:grid;grid-template-columns:1.55fr .78fr .9fr .9fr;gap:35px}
.footer__brand p{max-width:290px;font-size:.85rem;color:#a2b9ce;line-height:1.7;margin-top:17px}
.footer__logo{background:#fff;border-radius:8px;padding:6px 12px;max-width:235px}
.footer__logo img{width:100%;height:auto}
.footer__main>div:not(:first-child){display:flex;flex-direction:column;align-items:flex-start;gap:10px}
.footer__main strong{font-size:.86rem;color:white;margin-bottom:9px}
.footer__main a,.footer__main div>p{font-size:.82rem;color:#a5bfd3}
.footer__main a:hover{color:#62caff}
.footer__bottom{display:flex;justify-content:space-between;gap:20px;padding:18px 0 26px;border-top:1px solid #21405b;font-size:.75rem;color:#8ea6ba}
/* Dialogs */
.lightbox{position:fixed;inset:0;width:100vw;height:100dvh;max-width:none;max-height:none;padding:20px;background:rgba(2,11,24,.97);border:0;color:#fff;overflow:hidden}
.lightbox:not([open]),.draft-modal:not([open]){display:none}
.lightbox::backdrop{background:rgba(0,0,0,.92)}
.lightbox__content{height:100%;max-width:calc(100% - 120px);margin:auto;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:15px}
.lightbox__content img{max-height:calc(100dvh - 125px);width:auto;max-width:100%;object-fit:contain;border-radius:4px}
.lightbox__counter{color:#b9c7d9;font-size:.83rem}
.lightbox>button{position:absolute;border:none;color:#fff;background:rgba(255,255,255,.10);border-radius:50%;width:45px;height:45px;font-size:2rem;display:grid;place-items:center;line-height:1;z-index:2}
.lightbox>button:hover{background:rgba(255,255,255,.22)}
.lightbox__close{right:20px;top:18px}
.lightbox__prev{left:24px;top:50%;transform:translateY(-50%)}
.lightbox__next{right:24px;top:50%;transform:translateY(-50%)}
.draft-modal{border:none;border-radius:16px;width:min(calc(100% - 28px),590px);padding:36px;box-shadow:0 30px 90px rgba(0,0,0,.27)}
.draft-modal::backdrop{background:rgba(4,19,41,.78)}
.draft-modal__close{position:absolute;right:15px;top:12px;background:transparent;border:0;font-size:2rem;color:#3d5369}
.draft-modal h3{font-size:1.8rem;margin-bottom:15px}
.draft-modal>p:not(.eyebrow){color:#476075;font-size:.89rem;line-height:1.65;margin-bottom:18px}
#draft-text{padding:13px;border:1px solid #d0e0ed;border-radius:8px;width:100%;font-size:.82rem;color:#29455c;resize:vertical}
.draft-modal__actions{display:flex;gap:10px;flex-wrap:wrap;margin:20px 0 0}
#draft-status{font-size:.83rem;color:#006aab;margin-top:12px}
/* Responsive */
@media(max-width:1160px){
  .nav{gap:17px}
  .header__logo{width:179px}
  .nav__link{font-size:.75rem}
  .btn--nav{padding-inline:13px}
  .hero__copy{width:61%}
  .hero h1{font-size:clamp(3rem,5.3vw,4.7rem)}
}
@media(max-width:960px){
  html{scroll-padding-top:74px}
  .container{width:min(calc(100% - 46px),var(--max))}
  .header__inner{height:74px}
  .header__logo{width:169px}
  .header__inner>.btn--nav{display:none}
  .menu-toggle{display:flex;width:43px;height:43px;flex-direction:column;align-items:center;justify-content:center;gap:5px;background:transparent;border:1px solid #dae6ed;border-radius:8px;flex:none}
  .menu-toggle span{display:block;width:22px;height:2px;background:#153650;transition:.2s}
  .menu-toggle[aria-expanded=true] span:first-child{transform:translateY(7px) rotate(45deg)}
  .menu-toggle[aria-expanded=true] span:nth-child(2){opacity:0}
  .menu-toggle[aria-expanded=true] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
  .nav{display:none;position:absolute;top:74px;left:0;right:0;height:auto;max-height:calc(100dvh - 74px);overflow-y:auto;background:#fff;flex-direction:column;align-items:stretch;padding:15px 23px 25px;box-shadow:0 24px 35px rgba(0,0,0,.13);gap:2px}
  .nav.is-open{display:flex}
  .nav__link{padding:12px 8px;font-size:.92rem;border-bottom:1px solid #edf1f5}
  .nav__link::after{display:none}
  .nav__mobile-cta{display:flex;margin-top:15px}
  .hero{min-height:630px}
  .hero__copy{width:65%}
  .hero__image{left:36%}
  .hero::before{background:linear-gradient(90deg,#06182f 0%,#061b35 38%,rgba(6,27,53,.81) 57%,rgba(6,27,53,.08) 100%)}
  .hero__corner{right:23px}
  .expertise__inner{grid-template-columns:repeat(2,1fr);padding-block:12px}
  .expertise__inner>div{justify-content:flex-start;padding:18px 16px}
  .expertise__inner>div:nth-child(2)::after{display:none}
  .expertise__inner>div:not(:last-child)::after{top:20%;height:60%}
  .section{padding:78px 0}
  .services__grid{gap:15px}
  .service-card__photo{height:160px}
  .service-card__body{padding:20px}
  .service-card h3{font-size:1.16rem}
  .service-card p{font-size:.82rem}
  .projects__mosaic{grid-auto-rows:145px;gap:10px}
  .solar__layout{gap:5%}
  .solar__images{height:385px}
  .about__layout{gap:5%}
  .about__visual{height:440px}
  .contact__layout{gap:5%}
  .contact-form-wrap{padding:26px}
}
@media(max-width:700px){
  .container{width:min(calc(100% - 36px),var(--max))}
  .hero{min-height:0;display:block}
  .hero__image{inset:0;background-position:center 22%;opacity:.55}
  .hero::before{z-index:-1;background:linear-gradient(90deg,rgba(4,20,39,.97),rgba(4,20,39,.75)),linear-gradient(0deg,rgba(4,20,39,.97),transparent 80%)}
  .hero__grid{z-index:0;opacity:.35}
  .hero__content{padding-top:83px;padding-bottom:110px}
  .hero__copy{width:100%;max-width:610px}
  .hero h1{font-size:clamp(2.7rem,10.6vw,4.4rem);line-height:1.07}
  .hero__copy>p{font-size:.98rem;max-width:520px}
  .hero__actions{margin:29px 0 37px}
  .hero__corner{bottom:16px;font-size:.8rem}
  .hero__corner span{font-size:1rem}
  .hero__corner small{font-size:.58rem}
  .hero__sectors{gap:10px;font-size:.73rem}
  .hero__sectors span+.hero__sectors span{padding-left:12px}
  .expertise__inner>div{padding:17px 10px;gap:11px}
  .expertise__inner .ico{width:24px;height:24px}
  .section{padding:72px 0}
  .section-top{display:block;margin-bottom:30px}
  .section-top h2,.solar h2,.about h2,.contact h2{font-size:clamp(2.15rem,7vw,3rem)}
  .section-top__aside{margin-top:18px;max-width:600px}
  .services__grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:15px}
  .service-card__photo{height:150px}
  .service-card__body{padding:17px}
  .service-card h3{min-height:0;font-size:1.11rem}
  .service-card p{min-height:0;font-size:.8rem}
  .service-card a{margin-top:18px}
  .projects__mosaic{grid-template-columns:repeat(3,1fr);grid-auto-rows:130px}
  .solar__layout,.about__layout,.contact__layout{grid-template-columns:1fr;gap:38px}
  .solar__images{height:360px}
  .solar__content{order:-1}
  .about__visual{height:420px;max-width:560px;margin-right:18px}
  .contact__bullets{margin:23px 0 26px;gap:12px}
  .contact__details{padding-top:18px}
  .footer__main{grid-template-columns:repeat(2,1fr);row-gap:35px}
}
@media(max-width:480px){
  body{font-size:15px}
  .container{width:min(calc(100% - 32px),var(--max))}
  .header__inner{height:69px}
  .nav{top:69px;max-height:calc(100dvh - 69px)}
  .header__logo{width:146px}
  .hero__content{padding-top:69px;padding-bottom:95px}
  .eyebrow{font-size:.67rem;letter-spacing:.12em;line-height:1.5}
  .eyebrow__line{width:22px}
  .hero h1{font-size:clamp(2.6rem,11.4vw,3.45rem)}
  .hero__copy>p{font-size:.91rem;line-height:1.75}
  .hero__actions{display:grid;grid-template-columns:1fr 1fr;gap:9px}
  .hero__actions .btn{min-width:0;padding:14px 8px;font-size:.76rem;gap:7px}
  .hero__sectors{gap:6px;font-size:.64rem}
  .hero__sectors .ico{font-size:1.04rem}
  .hero__sectors span{gap:4px}
  .hero__sectors span+.hero__sectors span{padding-left:7px}
  .expertise__inner>div{padding:13px 6px}
  .expertise__inner span{font-size:.65rem}
  .expertise__inner .ico{width:21px;height:21px}
  .section{padding:62px 0}
  .section-top h2,.solar h2,.about h2,.contact h2{font-size:clamp(2.05rem,9vw,2.65rem)}
  .services__grid{grid-template-columns:1fr}
  .service-card__photo{height:188px}
  .service-card__body{padding:20px 22px 22px}
  .service-card h3{font-size:1.26rem}
  .service-card p{font-size:.85rem}
  .services__types{padding:17px;font-size:.8rem}
  .projects__mosaic{grid-template-columns:repeat(2,1fr);grid-auto-rows:140px;gap:8px}
  .gallery-card--large{grid-column:span 2;grid-row:span 2}
  .gallery-card--tall{grid-row:span 2}
  .gallery-card__zoom{opacity:1;transform:none;width:25px;height:25px;font-size:1rem}
  .projects__note{align-items:flex-start;font-size:.75rem}
  .solar__images{height:310px;gap:8px}
  .solar__icon{width:75px;height:75px;border-width:5px;right:calc(35% - 35px);top:calc(50% - 35px)}
  .solar__icon .ico{width:31px;height:31px}
  .about__visual{height:345px}
  .about__corner{left:-9px;padding:10px 19px;bottom:16px}
  .about__corner span{font-size:1.1rem}
  .about__corner small{font-size:.62rem}
  .contact-form-wrap{padding:20px 17px;border-radius:13px}
  .contact-form__heading h3{font-size:1.25rem}
  .form-grid{grid-template-columns:1fr;gap:14px}
  .form-grid__wide{grid-column:1}
  .footer__main{grid-template-columns:repeat(2,1fr);gap:27px 14px;padding:48px 0 40px}
  .footer__main>div:first-child{grid-column:1/-1}
  .footer__bottom{flex-direction:column;gap:5px}
  .lightbox{padding:12px}
  .lightbox__content{max-width:100%}
  .lightbox__content img{max-height:calc(100dvh - 150px)}
  .lightbox__prev,.lightbox__next{top:auto!important;bottom:10px;transform:none!important}
  .lightbox__prev{left:calc(50% - 70px)}
  .lightbox__next{right:calc(50% - 70px)}
  .lightbox__close{right:10px;top:10px}
  .draft-modal{padding:28px 20px}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important}}


/* ==================== Actualización noviembre 2026 ==================== */
.top-anchor{position:absolute;top:0;left:0;width:1px;height:1px;pointer-events:none}
#inicio{scroll-margin-top:0}
/* portada: área fotográfica sin empleados artificiales */
.hero__image{background-position:center 49%}
.hero__content{position:relative;z-index:2}
.hero__copy{max-width:660px}
.hero__actions{flex-wrap:wrap}
/* equipos HVAC - módulo destacado */
.equipment-section{position:relative;overflow:hidden;background:linear-gradient(124deg,#061d39 0%,#07325d 69%,#0e436f 100%);color:white}
.equipment-section::before{content:"";position:absolute;pointer-events:none;right:-150px;top:-230px;width:620px;height:620px;border:1px solid rgba(84,193,255,.2);border-radius:50%;box-shadow:0 0 0 90px rgba(35,150,220,.045),0 0 0 180px rgba(35,150,220,.035)}
.equipment-section__heading{position:relative;z-index:1}
.equipment-section__heading h2 span{color:#77ceff}
.equipment-section__heading .section-top__aside{color:#c2d5e6}
.equipment-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:17px;position:relative;z-index:1}
.equipment-card{background:#fff;color:#16314c;border:1px solid rgba(255,255,255,.2);border-radius:13px;padding:23px;min-height:270px;display:flex;flex-direction:column;box-shadow:0 15px 35px rgba(0,13,28,.17);transition:transform .2s,box-shadow .2s}
.equipment-card:hover{transform:translateY(-4px);box-shadow:0 25px 38px rgba(0,11,32,.29)}
.equipment-card__number{font-size:.72rem;color:#7997b3;font-weight:850;letter-spacing:.18em}
.equipment-card__drawing{color:#0068bd;margin:4px 0 8px;display:grid;place-items:center;width:92px;height:90px;background:linear-gradient(135deg,#edf8ff,#f8fcff);border-radius:12px}
.equipment-card__drawing svg{width:75px;height:75px}
.equipment-card h3{font-size:1.27rem;line-height:1.25;letter-spacing:-.02em;margin:0 0 8px}
.equipment-card p{font-size:.81rem;line-height:1.65;color:#587086;margin:0 0 14px;flex:1}
.equipment-card a{color:#0069b8;font-size:.78rem;font-weight:850;display:inline-flex;gap:8px;align-items:center;width:fit-content}
.equipment-card a:hover{text-decoration:underline}
.equipment-section__bottom{border-top:1px solid rgba(255,255,255,.23);padding-top:26px;margin-top:28px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.equipment-section__bottom p{color:#d7e9f8;font-size:.95rem;margin:0}
/* Otros servicios secundario, no compite con HVAC */
.other-services{background:#f1f7fb}
.other-services__heading{display:flex;align-items:end;justify-content:space-between;gap:40px;margin-bottom:30px}
.other-services__heading h2{font-size:clamp(2rem,3vw,3rem);max-width:590px;line-height:1.12;margin:0}
.other-services__heading h2 span{color:#236599}
.other-services__heading>p{color:#58728a;font-size:.9rem;line-height:1.8;max-width:410px}
.other-services__grid{display:grid;grid-template-columns:1.25fr 1fr 1fr;gap:18px}
.other-card{background:#fff;border:1px solid #deebf4;border-radius:13px;padding:27px;display:flex;flex-direction:column;min-width:0}
.other-card h3{font-size:1.32rem;margin:8px 0 10px}
.other-card p{font-size:.84rem;line-height:1.65;color:#5b7185;margin-bottom:16px;flex:1}
.other-card a{font-size:.82rem;font-weight:850;color:#0068b5;display:inline-block;align-self:flex-start}
.other-card__icon{background:#e8f4ff;border-radius:12px;color:#0673bc;width:56px;height:56px;display:grid;place-items:center}
.other-card__icon .ico{width:30px;height:30px}
.other-card--featured{padding:0;overflow:hidden}
.other-card--featured img{width:100%;height:185px;object-fit:cover;object-position:center 32%}
.other-card--featured>div{padding:18px 23px 24px;display:flex;flex-direction:column;flex:1}
.other-card__tag{font-size:.68rem;font-weight:900;letter-spacing:.12em;color:#0080c5}
/* Contacto doble canal */
.contact__channels{display:grid;gap:11px;margin:22px 0 28px}
.channel{display:flex;align-items:center;gap:14px;border-radius:12px;padding:14px 16px;border:1px solid rgba(255,255,255,.25);transition:transform .2s,filter .2s}
.channel:hover{transform:translateY(-2px);filter:brightness(1.06)}
.channel--wa{background:#147747;color:#fff}
.channel--mail{background:#fff;color:#0b3152}
.channel__icon{font-size:1.55rem;flex:none;line-height:1}
.channel>span:nth-child(2){display:flex;flex-direction:column;min-width:0;flex:1}
.channel strong{font-size:.89rem;font-weight:850}
.channel small{font-size:.76rem;opacity:.85;overflow-wrap:anywhere}
.btn--whatsapp{background:#137f4e;color:#fff}
.btn--whatsapp:hover{background:#0a6a3c}
.form-actions{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.form-actions .btn{min-height:56px;line-height:1.3;padding:12px 16px;font-size:.82rem;white-space:normal;text-align:center}
.form-status{line-height:1.5}
/* Responsividad reforzada */
@media(max-width:1160px){.equipment-grid{grid-template-columns:repeat(3,1fr)}.other-services__grid{gap:12px}.equipment-card{padding:19px}}
@media(max-width:960px){.equipment-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.other-services__grid{grid-template-columns:1fr 1fr}.other-card--featured{grid-column:1/-1;display:grid;grid-template-columns:220px 1fr}.other-card--featured img{height:100%;min-height:215px}.hero__image{left:23%;background-position:center center}}
@media(max-width:700px){.equipment-section__heading,.other-services__heading{display:block}.equipment-section__heading .section-top__aside,.other-services__heading>p{margin-top:17px;max-width:100%}.equipment-section__bottom{align-items:flex-start;flex-direction:column}.equipment-section__bottom .btn{align-self:flex-start}.hero__image{inset:0;opacity:.65;background-position:57% center}.hero__actions{display:flex}.hero__actions .btn{min-width:0}.contact__channels{margin:24px 0}}
@media(max-width:480px){.equipment-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.equipment-card{padding:15px 13px;min-height:250px}.equipment-card__drawing{height:66px;width:74px}.equipment-card__drawing svg{height:62px;width:62px}.equipment-card h3{font-size:1.03rem}.equipment-card p{font-size:.72rem}.equipment-card a{font-size:.71rem}.other-services__grid{grid-template-columns:1fr}.other-card--featured{grid-column:auto;display:flex}.other-card--featured img{min-height:0;height:200px}.form-actions{grid-template-columns:1fr}.form-actions .btn{min-height:51px}.hero__actions{display:grid;grid-template-columns:1fr 1fr}.hero__actions .btn:last-child{grid-column:1/-1}.hero__actions .btn{font-size:.76rem;padding:13px 8px}.contact__details{overflow-wrap:anywhere}}
@media(max-width:360px){.equipment-grid{grid-template-columns:1fr}.equipment-card{min-height:220px}}