*{box-sizing:border-box}
html{scroll-behavior:smooth;max-width:100%;overflow-x:hidden}
body{margin:0;max-width:100%;overflow-x:hidden;font-family:Arial,Helvetica,sans-serif;background:#f5f6f7;color:#121417}
img{display:block;max-width:100%}
a{text-decoration:none;color:inherit}
button{font:inherit}
:root{--red:#e52c31;--blue:#2598cf;--black:#11151a;--muted:#69727c;--border:#e5e8eb;--white:#fff}

.topbar{position:sticky;top:0;z-index:50;height:86px;background:#fff;display:flex;align-items:center;gap:14px;padding:8px clamp(18px,5vw,70px);box-shadow:0 2px 18px #00000010;border-bottom:4px solid transparent;border-image:linear-gradient(90deg,var(--red) 0 50%,var(--blue) 50% 100%) 1}
.brand{margin-right:auto;min-width:0}
.brand img{height:58px;width:auto;max-width:260px;object-fit:contain}
.nav{display:flex;align-items:center;gap:24px;font-size:14px;font-weight:700}
.nav a:hover{color:var(--red)}
.menu-btn{display:none;border:0;background:transparent;font-size:28px;line-height:1;cursor:pointer;padding:6px}
.mobile-quote{display:none;background:var(--red);color:#fff;border-radius:8px;padding:10px 12px;font-size:12px;font-weight:800;white-space:nowrap}

.hero{min-height:74vh;position:relative;display:flex;align-items:center;color:#fff;overflow:hidden}
.hero-bg{position:absolute;inset:0;background:linear-gradient(90deg,rgba(7,9,12,.90),rgba(7,9,12,.32)),url('assets/corredor-led.jpg') center/cover no-repeat}
.hero-content{position:relative;z-index:2;width:min(860px,100%);padding:86px clamp(22px,8vw,120px)}
.eyebrow{display:inline-block;margin-bottom:14px;font-size:12px;font-weight:900;letter-spacing:.20em;color:#fff}
.eyebrow.blue{color:var(--blue)}
h1{font-size:clamp(46px,7.5vw,92px);line-height:.96;letter-spacing:-.055em;margin:0 0 22px}
.hero p{max-width:680px;font-size:clamp(17px,2vw,21px);line-height:1.6;color:#edf0f2;margin:0}
.hero-actions,.contact-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:14px 22px;border-radius:8px;font-weight:800}
.btn-red{background:var(--red);color:#fff}
.btn-blue{background:var(--blue);color:#fff}
.btn-outline{border:1px solid #ffffff88;background:#ffffff10;color:#fff}

.section{width:min(1500px,100%);margin:0 auto;padding:88px clamp(22px,7vw,100px)}
.intro{display:grid;grid-template-columns:1.2fr 1fr;gap:64px;align-items:end}
.intro h2,.section-head h2,.projects-head h2,.about h2,.contact h2{font-size:clamp(35px,5vw,60px);line-height:1.04;letter-spacing:-.04em;margin:0}
.intro>p,.about-text p{font-size:17px;line-height:1.8;color:var(--muted);margin:0}
.section-head{max-width:820px;margin-bottom:40px}

.services-grid,.why-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.services-grid article,.why-grid article{background:#fff;border:1px solid var(--border);border-radius:14px;padding:28px;min-width:0}
.services-grid article>span,.why-grid article>span{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:50%;background:var(--red);color:#fff;font-size:12px;font-weight:900}
.services-grid h3,.why-grid h3{font-size:22px;margin:22px 0 10px}
.services-grid p,.why-grid p{color:var(--muted);line-height:1.65;margin:0}

.projects{max-width:none;background:#fff}
.projects-head,.gallery{width:min(1360px,100%);margin-left:auto;margin-right:auto}
.projects-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:38px}
.filters{display:flex;gap:8px;flex-wrap:wrap}
.filter{border:1px solid #dfe3e7;background:#fff;padding:9px 12px;border-radius:999px;font-weight:700;cursor:pointer}
.filter.active{background:var(--black);color:#fff}
.gallery{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.gallery figure{position:relative;margin:0;height:320px;overflow:hidden;border-radius:12px;background:#ddd;cursor:zoom-in;min-width:0}
.gallery figure.hidden{display:none}
.gallery img{width:100%;height:100%;object-fit:cover}
.gallery figcaption{position:absolute;left:12px;bottom:12px;max-width:calc(100% - 24px);background:#111d;color:#fff;padding:8px 10px;border-radius:7px;font-size:12px}

.about{display:grid;grid-template-columns:1fr 1fr;gap:64px}
.about-text p+p{margin-top:14px}

.faq-list{display:grid;gap:10px}
.faq-list details{background:#fff;border:1px solid var(--border);border-radius:12px;padding:18px 20px}
.faq-list summary{font-weight:800;cursor:pointer}
.faq-list p{color:var(--muted);line-height:1.7}

.contact{background:var(--black);color:#fff;padding:88px clamp(22px,7vw,100px)}
.contact-inner{width:min(1360px,100%);margin:auto}
.contact-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin-top:36px}
.contact-grid a{min-width:0;border:1px solid #ffffff1e;background:#ffffff08;border-radius:12px;padding:24px;display:flex;flex-direction:column;gap:8px}
.contact-grid small{color:#9099a4}
.contact-grid strong{font-size:clamp(18px,2vw,28px);overflow-wrap:anywhere}
.contact-grid span{color:#66b9e5;font-size:13px;font-weight:800;margin-top:8px}

.floating-wa{position:fixed;right:max(18px,env(safe-area-inset-right));bottom:max(18px,env(safe-area-inset-bottom));z-index:45;width:56px;height:56px;border-radius:50%;display:grid;place-items:center;background:#1f9d55;color:#fff;font-weight:900;box-shadow:0 10px 28px #0003}

.lightbox{position:fixed;inset:0;background:#000d;display:none;align-items:center;justify-content:center;z-index:100;padding:28px}
.lightbox.open{display:flex}
.lightbox img{max-width:95vw;max-height:88vh;border-radius:10px}
.lightbox button{position:absolute;right:18px;top:12px;border:0;background:transparent;color:#fff;font-size:42px;cursor:pointer}

footer{display:grid;grid-template-columns:minmax(0,1fr) auto auto;gap:24px;align-items:center;background:#fff;padding:28px clamp(22px,7vw,100px);color:#6f777f;font-size:13px}
.footer-brand{display:flex;align-items:center;gap:14px;min-width:0}
.footer-brand img{height:54px;width:auto}
.footer-links{display:flex;flex-direction:column;gap:4px}
.copyright{white-space:nowrap}

@media(max-width:1050px){
  .contact-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}

@media(max-width:900px){
  .topbar{height:76px;padding:7px 14px}
  .brand img{height:48px;max-width:210px}
  .mobile-quote{display:inline-flex}
  .menu-btn{display:block}
  .nav{display:none;position:absolute;top:76px;left:0;right:0;z-index:60;background:#fff;flex-direction:column;align-items:flex-start;padding:18px 20px;border-bottom:1px solid var(--border);box-shadow:0 12px 25px #00000012}
  .nav.open{display:flex}
  .intro,.about{grid-template-columns:1fr;gap:28px}
  .services-grid,.why-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .gallery{grid-template-columns:repeat(2,minmax(0,1fr))}
  .projects-head{align-items:flex-start;flex-direction:column}
  footer{grid-template-columns:1fr}
}

@media(max-width:640px){
  .topbar{gap:8px}
  .brand img{height:42px;max-width:160px}
  .mobile-quote{font-size:10.5px;padding:9px 9px}
  .menu-btn{font-size:25px;padding:4px}
  .hero{min-height:68vh}
  .hero-content{padding:60px 20px}
  h1{font-size:42px}
  .hero p{font-size:16px}
  .hero-actions .btn{width:100%}
  .section,.contact{padding:62px 18px}
  .services-grid,.why-grid,.gallery,.contact-grid{grid-template-columns:1fr}
  .gallery figure{height:300px;width:100%}
  .filters{width:100%;overflow-x:auto;padding-bottom:4px;flex-wrap:nowrap}
  .filter{flex:0 0 auto}
  .contact-grid a{width:100%;padding:20px}
  .contact-actions{display:grid;grid-template-columns:1fr;gap:10px}
  .contact-actions .btn{width:100%}
  .footer-brand{align-items:flex-start;flex-direction:column}
  .footer-brand img{height:48px}
  .footer-links a{overflow-wrap:anywhere}
}

@media(max-width:390px){
  .brand img{height:38px;max-width:135px}
  .mobile-quote{font-size:9.5px;padding:8px 7px}
  .menu-btn{font-size:23px}
  h1{font-size:38px}
}

section[id]{scroll-margin-top:100px}
@media(max-width:900px){section[id]{scroll-margin-top:88px}}


/* Mobile hard-fix v2 — prevents gallery overflow/overlap on phones */
@media (max-width:700px){
  html,body{width:100%!important;max-width:100%!important;overflow-x:hidden!important}
  main,.section,.projects,.gallery,.contact,.contact-inner{max-width:100%!important}
  .projects{overflow:visible!important}
  .projects-head{display:flex!important;flex-direction:column!important;align-items:flex-start!important;height:auto!important}
  .gallery{
    display:grid!important;
    grid-template-columns:minmax(0,1fr)!important;
    grid-auto-rows:auto!important;
    gap:16px!important;
    width:100%!important;
    height:auto!important;
    min-height:0!important;
    max-height:none!important;
    overflow:visible!important;
    position:relative!important;
  }
  .gallery figure,
  .gallery figure:not(.hidden){
    display:block!important;
    position:relative!important;
    float:none!important;
    clear:both!important;
    width:100%!important;
    max-width:100%!important;
    height:auto!important;
    min-height:0!important;
    max-height:none!important;
    aspect-ratio:4/3!important;
    margin:0!important;
    inset:auto!important;
    transform:none!important;
    overflow:hidden!important;
  }
  .gallery figure.hidden{display:none!important}
  .gallery figure img{
    display:block!important;
    position:absolute!important;
    inset:0!important;
    width:100%!important;
    height:100%!important;
    max-width:100%!important;
    object-fit:cover!important;
    transform:none!important;
  }
  .gallery figcaption{z-index:2!important}
  .contact{
    position:relative!important;
    z-index:1!important;
    clear:both!important;
    height:auto!important;
    min-height:0!important;
    overflow:visible!important;
  }
  .contact-grid{
    display:grid!important;
    grid-template-columns:minmax(0,1fr)!important;
    width:100%!important;
    height:auto!important;
    gap:12px!important;
  }
  .contact-grid a{width:100%!important;max-width:100%!important;min-width:0!important;height:auto!important}
  .services-grid,.why-grid{grid-template-columns:minmax(0,1fr)!important;height:auto!important}
}