:root{
  --bg:#080a0c;
  --surface:#101316;
  --surface-2:#15191d;
  --text:#f5f7f7;
  --muted:#a7afb5;
  --line:rgba(255,255,255,.11);
  --accent:#b7e300;
  --accent-2:#8fb800;
  --max:1240px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:'Manrope',sans-serif;
  color:var(--text);
  background:var(--bg);
  line-height:1.6;
}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}

.site-header{
  position:fixed;
  inset:0 0 auto 0;
  height:82px;
  z-index:20;
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:0 5vw;
  background:linear-gradient(to bottom,rgba(0,0,0,.78),rgba(0,0,0,0));
  transition:.3s ease;
}
.site-header.scrolled{
  height:68px;
  background:rgba(7,9,11,.94);
  backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.brand{display:flex;align-items:center;gap:13px;font-size:.76rem;letter-spacing:.26em;font-weight:700}
.brand img{width:64px;height:45px;object-fit:contain}
.main-nav{display:flex;gap:34px;font-size:.9rem}
.main-nav a{color:#e4e7e8;position:relative}
.main-nav a::after{
  content:"";position:absolute;left:0;bottom:-8px;width:0;height:2px;background:var(--accent);transition:.25s;
}
.main-nav a:hover::after{width:100%}
.menu-toggle{display:none;background:none;border:0;padding:5px}
.menu-toggle span{display:block;width:25px;height:2px;background:#fff;margin:5px}

.hero{
  min-height:760px;
  height:100vh;
  position:relative;
  display:flex;
  align-items:center;
  background-image:url('assets/ciudad-juarez-noche.png');
  background-size:cover;
  background-position:center;
}
.hero-overlay{
  position:absolute;inset:0;
  background:
    linear-gradient(90deg,rgba(0,0,0,.92) 0%,rgba(0,0,0,.82) 35%,rgba(0,0,0,.48) 70%,rgba(0,0,0,.78) 100%),
    linear-gradient(0deg,var(--bg) 0%,transparent 98%);
}
.hero-content{
  position:relative;z-index:2;width:min(760px,90vw);margin-left:max(5vw,calc((100vw - var(--max))/2));
  padding-top:80px;
}
.eyebrow,.section-label{
  color:var(--accent);
  font-size:.76rem;
  font-weight:800;
  letter-spacing:.18em;
}
h1,h2,h3,p{margin-top:0}
h1{
  font-size:clamp(3.2rem,6.5vw,6.8rem);
  line-height:.98;
  letter-spacing:-.055em;
  margin:18px 0 28px;
}
h1 span{color: #d4d9dc}
.hero-copy{max-width:650px;font-size:1.12rem;color:#d4d9dc}
.hero-actions{display:flex;gap:14px;margin:38px 0}
.btn{
  padding:14px 22px;border-radius:9px;font-weight:800;font-size:.88rem;
  border:1px solid var(--line);transition:.25s;
}
.btn-primary{background:var(--accent);color:#090b0d;border-color:var(--accent)}
.btn-primary:hover{background:#c9f300;transform:translateY(-2px)}
.btn-ghost{background:rgba(0,0,0,.22);backdrop-filter:blur(10px)}
.btn-ghost:hover{border-color:var(--accent)}
.hero-meta{
  display:grid;grid-template-columns:repeat(3,1fr);gap:1px;
  max-width:790px;background:var(--line);border:1px solid var(--line);
}
.hero-meta>div{background:rgba(6,8,9,.7);padding:16px 18px;backdrop-filter:blur(10px)}
.hero-meta small,.contact-link small{display:block;color:var(--accent);text-transform:uppercase;font-size:.67rem;letter-spacing:.13em;margin-bottom:3px}
.hero-meta a,.hero-meta span{font-size:.84rem}

.section{
  width:min(var(--max),90vw);
  margin:auto;
  padding:125px 0;
}
.intro-grid{
  display:grid;grid-template-columns:1.08fr .92fr;gap:11vw;margin-top:28px;
}
h2{font-size:clamp(2.4rem,4vw,4.5rem);line-height:1.08;letter-spacing:-.04em}
.intro-copy{color:var(--muted);font-size:1.05rem}
.intro-copy p+p{margin-top:25px}

.services,.portfolio{border-top:1px solid var(--line)}
.section-head{
  display:flex;justify-content:space-between;align-items:flex-end;gap:40px;margin-bottom:48px;
}
.section-head h2{margin:10px 0 0}
.section-head>p{max-width:420px;color:var(--muted)}

.service-grid{
  display:grid;grid-template-columns:repeat(5,1fr);border:1px solid var(--line);
}
.service-card{
  min-height:270px;padding:30px 24px;border-right:1px solid var(--line);
  background:linear-gradient(180deg,var(--surface),#0c0f11);
  transition:.3s;
}
.service-card:last-child{border-right:0}
.service-card:hover{transform:translateY(-8px);background:var(--surface-2)}
.service-card span{font-size:.72rem;color:var(--accent);font-weight:800}
.service-card h3{font-size:1.15rem;margin:75px 0 12px;line-height:1.25}
.service-card p{font-size:.9rem;color:var(--muted)}

.portfolio-grid{
  display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:14px;
}
.project{
  position:relative;min-height:520px;border:1px solid var(--line);overflow:hidden;
  background-size:cover;background-position:center;transition:.35s;
}
.project:hover{transform:translateY(-6px)}
.project-closet{
  background-image:
    linear-gradient(135deg,rgba(11,13,15,.05),rgba(11,13,15,.25)),
    url('https://www.carpinteriaresidencial.mx/wp-content/uploads/2014/11/closets-modernos-buen-precio-san-luis-potosi.jpg');
}
.project-tv{
  background-image:url('https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcS4IUS4lzywqOTtHTdClPCRaMkR3oFwRVQcsae-Xy-46kcNoLk1QJQiYytN&s=10');
}
.project-security{
  background-image:url('https://blog.homedepot.com.mx/wp-content/uploads/2023/06/camara-de-seguridad-interior.jpeg');
}
.project-overlay{position:absolute;inset:0;background:linear-gradient(0deg,rgba(0,0,0,.88),transparent 65%)}
.project-copy{position:absolute;left:26px;bottom:26px}
.project-copy span{font-size:.72rem;color:var(--accent);text-transform:uppercase;letter-spacing:.12em}
.project-copy h3{font-size:1.45rem;margin:5px 0 0}

.contact{padding-bottom:90px}
.contact-card{
  border:1px solid var(--line);
  background:
    linear-gradient(135deg,rgba(183,227,0,.08),transparent 45%),
    var(--surface);
  padding:54px;
  display:grid;grid-template-columns:1.15fr .85fr;gap:70px;
}
.contact-card h2{font-size:clamp(2.2rem,3.8vw,4rem);margin:16px 0}
.contact-card p{color:var(--muted)}
.contact-actions{display:flex;flex-direction:column;border-top:1px solid var(--line)}
.contact-link{padding:18px 0;border-bottom:1px solid var(--line)}
.contact-link strong{font-size:1rem}

footer{
  min-height:100px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  width:min(var(--max),90vw);margin:auto;color:var(--muted);font-size:.82rem;
}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff}
.footer-brand img{width:45px;height:34px;object-fit:contain}

.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s ease,transform .7s ease}
.reveal.visible{opacity:1;transform:none}

@media(max-width:980px){
  .main-nav{display:none;position:absolute;top:68px;left:0;right:0;flex-direction:column;padding:22px 5vw;background:#090b0d;border-bottom:1px solid var(--line)}
  .main-nav.open{display:flex}
  .menu-toggle{display:block}
  .hero{min-height:820px}
  .hero-meta{grid-template-columns:1fr}
  .intro-grid,.contact-card{grid-template-columns:1fr;gap:40px}
  .service-grid{grid-template-columns:repeat(2,1fr)}
  .service-card:nth-child(2n){border-right:0}
  .service-card{border-bottom:1px solid var(--line)}
  .portfolio-grid{grid-template-columns:1fr 1fr}
  .project:first-child{grid-column:1/-1}
}
@media(max-width:640px){
  .site-header{padding:0 22px}
  .brand span{display:none}
  .hero{height:auto;min-height:900px;background-position:67% center}
  .hero-content{margin:0;padding:145px 22px 60px;width:100%}
  h1{font-size:3.3rem}
  .hero-actions{flex-direction:column}
  .btn{text-align:center}
  .section{width:calc(100% - 44px);padding:90px 0}
  .section-head{display:block}
  .service-grid{grid-template-columns:1fr}
  .service-card{border-right:0}
  .portfolio-grid{grid-template-columns:1fr}
  .project,.project:first-child{grid-column:auto;min-height:410px}
  .contact-card{padding:28px}
  footer{flex-direction:column;justify-content:center;padding:28px 0;text-align:center}
}


.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
}

.brand img {
  width: 72px;
  height: 72px;
  object-fit: contain;
  filter: drop-shadow(0 0 10px rgba(170, 255, 0, .18));
}