/* ===================================================================
   NOVIK — Grupo de Ingeniería Integral y Construcciones
   Sistema de diseño: registro técnico / blueprint corporativo
   =================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@500;600;700&family=Inter:wght@400;500;600&family=IBM+Plex+Mono:wght@500;600&display=swap');

:root{
  --navy-950:#0A1826;
  --navy-900:#0E2033;
  --navy-800:#12283D;
  --blue-700:#1B4D74;
  --blue-600:#245E8C;
  --blue-500:#2C6E9E;
  --cyan:#2FC1DE;
  --cyan-dim:#1E8CA3;
  --orange:#E07A3E;
  --gray-100:#F4F6F8;
  --gray-200:#E7EBEF;
  --gray-300:#D8DEE4;
  --gray-500:#8494A3;
  --gray-600:#5B6B7A;
  --gray-800:#2B3944;
  --white:#FFFFFF;

  --font-display:'Space Grotesk', sans-serif;
  --font-body:'Inter', sans-serif;
  --font-mono:'IBM Plex Mono', monospace;

  --frame-gap:14px;
  --container:1180px;
}

*{box-sizing:border-box; margin:0; padding:0;}

html{scroll-behavior:smooth;}

body{
  font-family:var(--font-body);
  color:var(--gray-800);
  background:var(--white);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}

img{max-width:100%; display:block;}

a{color:inherit; text-decoration:none;}

p{
  text-align:justify;
  text-justify:inter-word;
  hyphens:auto;
}
.text-center p,
.no-justify{ text-align:center; }

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 32px;
}

h1,h2,h3,h4{
  font-family:var(--font-display);
  color:var(--navy-950);
  line-height:1.15;
  font-weight:700;
}

.eyebrow{
  font-family:var(--font-mono);
  font-size:12px;
  font-weight:600;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--cyan-dim);
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:14px;
}
.eyebrow::before{
  content:"";
  width:22px;
  height:2px;
  background:var(--orange);
  display:inline-block;
}
.on-dark .eyebrow{color:var(--cyan);}

section{padding:88px 0;}
@media (max-width:768px){ section{padding:56px 0;} }

.section-head{max-width:680px; margin-bottom:48px;}
.section-head p{color:var(--gray-600); font-size:17px; margin-top:14px;}

/* ---------- Drafting frame (signature element) ----------
   Corner register-marks, echoing blueprint / spec-sheet corners
   used throughout NOVIK's own portfolio closing page. */
.frame{
  position:relative;
  padding:var(--frame-gap);
}
.frame::before,.frame::after,
.frame > .fc-tl, .frame > .fc-br{ display:none; } /* reserved */

.frame-corners{position:relative;}
.frame-corners::before,
.frame-corners::after{
  content:"";
  position:absolute;
  width:26px;
  height:26px;
  border:2px solid var(--cyan);
  pointer-events:none;
}
.frame-corners::before{ top:-1px; left:-1px; border-right:none; border-bottom:none; }
.frame-corners::after{ bottom:-1px; right:-1px; border-left:none; border-top:none; }

/* ---------- Header / Nav ---------- */
header.site-header{
  position:sticky; top:0; z-index:100;
  background:rgba(8,20,32,.98);
  border-bottom:1px solid rgba(255,255,255,.08);
}
.nav-wrap{
  display:flex; align-items:center; justify-content:space-between;
  padding:16px 32px;
  max-width:var(--container);
  margin:0 auto;
}
.brand{display:flex; align-items:center; gap:12px;}
.brand-logo{height:36px; width:auto; object-fit:contain;}
.brand-text{
  font-family:var(--font-display);
  font-weight:700;
  font-size:21px;
  color:var(--white);
  letter-spacing:.02em;
}
.brand-text span{
  display:block;
  font-family:var(--font-mono);
  font-size:9.5px;
  font-weight:500;
  letter-spacing:.09em;
  color:var(--gray-500);
  text-transform:uppercase;
  margin-top:1px;
}
nav.main-nav ul{
  display:flex; gap:36px; list-style:none;
}
nav.main-nav a{
  font-family:var(--font-mono);
  font-size:12.5px;
  font-weight:500;
  letter-spacing:.06em;
  text-transform:uppercase;
  color:var(--gray-300);
  padding:6px 0;
  border-bottom:2px solid transparent;
  transition:color .2s, border-color .2s;
}
nav.main-nav a:hover, nav.main-nav a.active{
  color:var(--cyan);
  border-bottom-color:var(--cyan);
}
.nav-cta{
  font-family:var(--font-mono);
  font-size:12px; font-weight:600; letter-spacing:.06em;
  text-transform:uppercase;
  color:var(--navy-950)!important;
  background:var(--cyan);
  padding:10px 18px;
  border-radius:2px;
  border-bottom:none!important;
}
.nav-cta:hover{background:var(--white); color:var(--navy-950)!important;}

.nav-toggle{display:none; flex-direction:column; gap:5px; background:none; border:none; cursor:pointer; padding:6px;}
.nav-toggle span{width:24px; height:2px; background:var(--white);}

@media (max-width:900px){
  nav.main-nav{
    position:fixed; inset:64px 0 0 0; background:var(--navy-950);
    transform:translateX(100%); transition:transform .25s ease;
    padding:32px; overflow-y:auto;
  }
  nav.main-nav.open{transform:translateX(0);}
  nav.main-nav ul{flex-direction:column; gap:0;}
  nav.main-nav li{border-bottom:1px solid rgba(255,255,255,.08);}
  nav.main-nav a{display:block; padding:18px 4px;}
  .nav-toggle{display:flex;}
  .nav-cta{display:inline-block; margin-top:20px;}
}

/* ---------- Hero ---------- */
.hero{
  background:
    linear-gradient(180deg, rgba(10,24,38,.86), rgba(10,24,38,.96)),
    repeating-linear-gradient(0deg, rgba(47,193,222,.06) 0px, rgba(47,193,222,.06) 1px, transparent 1px, transparent 64px),
    repeating-linear-gradient(90deg, rgba(47,193,222,.06) 0px, rgba(47,193,222,.06) 1px, transparent 1px, transparent 64px),
    var(--navy-950);
  color:var(--white);
  padding:120px 0 100px;
  position:relative;
  overflow:hidden;
}
.hero .container{position:relative; z-index:2;}
.hero-tag{
  font-family:var(--font-mono);
  font-size:12.5px; letter-spacing:.14em; text-transform:uppercase;
  color:var(--cyan); margin-bottom:20px; display:block;
}
.hero h1{
  font-size:clamp(34px,5.2vw,58px);
  color:var(--white);
  max-width:820px;
}
.hero h1 em{ font-style:normal; color:var(--cyan); }
.hero .lead{
  margin-top:22px; max-width:600px;
  font-size:18px; color:var(--gray-300);
}
.pillars-strip{
  margin-top:48px; display:flex; flex-wrap:wrap; gap:0;
  border:1px solid rgba(255,255,255,.16);
  background:rgba(255,255,255,.02);
}
.pillars-strip .pillar{
  flex:1 1 220px;
  padding:18px 22px;
  border-right:1px solid rgba(255,255,255,.16);
  display:flex; align-items:center; gap:12px;
}
.pillars-strip .pillar:last-child{border-right:none;}
.pillars-strip .pillar .num{
  font-family:var(--font-mono); color:var(--orange); font-size:13px; font-weight:600;
}
.pillars-strip .pillar span.label{
  font-family:var(--font-mono); font-size:12.5px; letter-spacing:.04em;
  text-transform:uppercase; color:var(--white);
}
@media (max-width:700px){
  .pillars-strip .pillar{border-right:none; border-bottom:1px solid rgba(255,255,255,.16);}
}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex; align-items:center; gap:10px;
  font-family:var(--font-mono); font-size:13px; font-weight:600;
  letter-spacing:.06em; text-transform:uppercase;
  padding:14px 26px; border-radius:2px;
  border:1px solid transparent; cursor:pointer;
  transition:all .2s ease;
}
.btn-primary{background:var(--cyan); color:var(--navy-950);}
.btn-primary:hover{background:var(--white);}
.btn-outline{border-color:rgba(255,255,255,.4); color:var(--white);}
.btn-outline:hover{border-color:var(--cyan); color:var(--cyan);}
.btn-outline.dark{border-color:var(--navy-800); color:var(--navy-950);}
.btn-outline.dark:hover{border-color:var(--blue-600); color:var(--blue-600);}
.btn-row{display:flex; gap:16px; margin-top:38px; flex-wrap:wrap;}

/* ---------- Cards ---------- */
.card-grid{
  display:grid; gap:24px;
  grid-template-columns:repeat(3,1fr);
}
@media (max-width:900px){ .card-grid{grid-template-columns:repeat(2,1fr);} }
@media (max-width:600px){ .card-grid{grid-template-columns:1fr;} }

.card{
  background:var(--gray-100);
  border:1px solid var(--gray-200);
  border-left:3px solid var(--cyan);
  padding:28px 26px;
}
.card.orange{border-left-color:var(--orange);}
.card h3{font-size:18px; margin-bottom:10px;}
.card p{color:var(--gray-600); font-size:15px;}
.card .icon{
  width:38px; height:38px; margin-bottom:16px;
  color:var(--blue-600);
}

/* ---------- Stat / sector strip ---------- */
.stat-band{
  background:var(--navy-950); color:var(--white);
  padding:56px 0;
}
.stat-grid{
  display:grid; grid-template-columns:repeat(4,1fr); gap:32px;
}
@media (max-width:800px){ .stat-grid{grid-template-columns:repeat(2,1fr);} }
.stat{border-left:2px solid var(--orange); padding-left:16px;}
.stat .n{font-family:var(--font-display); font-size:34px; font-weight:700; color:var(--cyan);}
.stat .l{font-family:var(--font-mono); font-size:12px; letter-spacing:.05em; color:var(--gray-300); text-transform:uppercase; margin-top:4px;}

/* ---------- Sector grid ---------- */
.sector-grid{
  display:grid; grid-template-columns:repeat(3,1fr); gap:1px;
  background:var(--gray-300); border:1px solid var(--gray-300);
}
@media (max-width:900px){ .sector-grid{grid-template-columns:repeat(2,1fr);} }
@media (max-width:560px){ .sector-grid{grid-template-columns:1fr;} }
.sector{
  background:var(--white); padding:26px 22px; min-height:150px;
  display:flex; flex-direction:column;
  border-left:3px solid var(--cyan);
}
.sector .tag{font-family:var(--font-mono); font-size:11px; color:var(--gray-500);}
.sector h4{font-size:16px; margin-top:10px;}
.sector p{font-size:14px; color:var(--gray-600); margin-top:10px; text-align:justify;}

/* ---------- Section variants ---------- */
.section-dark{background:var(--navy-950); color:var(--white);}
.section-dark h2{color:var(--white);}
.section-dark p{color:var(--gray-300);}
.section-tint{background:var(--gray-100);}

/* ---------- Footer ---------- */
footer.site-footer{
  background:var(--navy-950); color:var(--gray-300);
  padding:64px 0 28px;
}
.footer-grid{
  display:grid; grid-template-columns:1.4fr 1fr 1fr; gap:48px;
  padding-bottom:40px; border-bottom:1px solid rgba(255,255,255,.1);
}
@media (max-width:760px){ .footer-grid{grid-template-columns:1fr; gap:32px;} }
.footer-grid h5{
  font-family:var(--font-mono); font-size:12px; letter-spacing:.08em;
  text-transform:uppercase; color:var(--white); margin-bottom:16px;
}
.footer-grid ul{list-style:none;}
.footer-grid li{margin-bottom:9px; font-size:14.5px; color:var(--gray-300);}
.footer-grid a:hover{color:var(--cyan);}
.footer-brand p{color:var(--gray-500); font-size:14px; margin-top:14px; max-width:320px;}

.social-links{
  display:flex; gap:10px; margin-top:20px;
}
.social-links a{
  width:38px; height:38px;
  border:1px solid rgba(255,255,255,.18);
  display:flex; align-items:center; justify-content:center;
  color:var(--gray-300);
  transition:border-color .2s, color .2s, background .2s;
}
.social-links a:hover{
  border-color:var(--cyan); color:var(--cyan); background:rgba(47,193,222,.08);
}
.social-links svg{width:18px; height:18px;}

.footer-bottom{
  display:flex; justify-content:space-between; align-items:center;
  padding-top:24px; font-family:var(--font-mono); font-size:11.5px;
  letter-spacing:.03em; color:var(--gray-500); flex-wrap:wrap; gap:10px;
}

/* ---------- Utility ---------- */
.text-center{text-align:center;}
.mt-lg{margin-top:64px;}
.two-col{display:grid; grid-template-columns:1fr 1fr; gap:24px;}
@media (max-width:760px){ .two-col{grid-template-columns:1fr;} }

.divider-label{
  display:flex; align-items:center; gap:16px; margin:0 0 40px;
}
.divider-label::after{content:""; flex:1; height:1px; background:var(--gray-300);}

/* ---------- Gallery ---------- */
.gallery-grid{
  display:grid; grid-template-columns:repeat(3,1fr); gap:20px;
}
@media (max-width:900px){ .gallery-grid{grid-template-columns:repeat(2,1fr);} }
@media (max-width:560px){ .gallery-grid{grid-template-columns:1fr;} }

.gallery-item{
  background:var(--gray-100);
  border:1px solid var(--gray-200);
  overflow:hidden;
}
.gallery-item .thumb{
  aspect-ratio:4/3;
  background:
    linear-gradient(135deg, var(--navy-900), var(--blue-700));
  position:relative;
  display:flex; align-items:center; justify-content:center;
  overflow:hidden;
}
.gallery-item .thumb img{
  width:100%; height:100%; object-fit:cover;
  position:absolute; inset:0;
}
.gallery-item .thumb .placeholder-mark{
  font-family:var(--font-mono); font-size:11px; color:rgba(255,255,255,.55);
  letter-spacing:.06em; text-align:center; padding:0 16px;
  border:1px dashed rgba(255,255,255,.3); padding:10px 14px;
}
.gallery-item .cap{
  padding:14px 16px; font-size:13.5px; color:var(--gray-800);
  border-top:2px solid var(--cyan);
}
.gallery-item.orange-border .cap{border-top-color:var(--orange);}

.filter-tabs{
  display:flex; gap:10px; flex-wrap:wrap; margin-bottom:40px;
}
.filter-tabs button{
  font-family:var(--font-mono); font-size:12px; font-weight:600;
  letter-spacing:.05em; text-transform:uppercase;
  padding:10px 18px; background:var(--white);
  border:1px solid var(--gray-300); color:var(--gray-600);
  cursor:pointer; transition:all .15s;
}
.filter-tabs button.active,
.filter-tabs button:hover{
  border-color:var(--blue-600); color:var(--blue-600); background:var(--gray-100);
}

.note-box{
  background:var(--gray-100); border:1px dashed var(--gray-300);
  padding:18px 22px; font-size:13.5px; color:var(--gray-600);
  font-family:var(--font-mono); margin-bottom:44px; line-height:1.7;
}
.note-box strong{color:var(--navy-950);}

/* ---------- Carrusel de proyectos destacados ---------- */
.featured{
  background:var(--navy-950);
  padding:0;
  overflow:hidden;
  position:relative;
}
.featured-head{
  padding:56px 0 32px;
}
.featured-head .eyebrow{margin-bottom:10px;}
.featured-head h2{color:var(--white);}

.carousel{
  position:relative;
  width:100%;
  max-width:640px;
  margin:0 auto;
}
.carousel-viewport{
  overflow:hidden;
  width:100%;
}
.carousel-track{
  display:flex;
  transition:transform .55s cubic-bezier(.65,.05,.36,1);
}
.carousel-slide{
  flex:0 0 100%;
  position:relative;
  aspect-ratio:4/3;
  background:linear-gradient(135deg, var(--navy-900), var(--blue-700));
  display:flex; align-items:center; justify-content:center;
}
.carousel-slide img{
  width:100%; height:100%; object-fit:cover;
  position:absolute; inset:0;
}
.carousel-slide .placeholder-mark{
  display:flex; align-items:center; justify-content:center;
  font-family:var(--font-mono); font-size:12px; color:rgba(255,255,255,.5);
  letter-spacing:.06em; text-align:center; padding:0 20px;
}
.carousel-slide .slide-frame{
  position:absolute; inset:18px;
  border:2px solid transparent;
  pointer-events:none;
}
.carousel-slide .slide-frame::before,
.carousel-slide .slide-frame::after{
  content:""; position:absolute; width:28px; height:28px;
  border:2px solid var(--cyan);
}
.carousel-slide .slide-frame::before{top:0; left:0; border-right:none; border-bottom:none;}
.carousel-slide .slide-frame::after{bottom:0; right:0; border-left:none; border-top:none;}
.carousel-slide .slide-cap{
  position:absolute; left:18px; bottom:18px; right:18px;
  background:rgba(10,24,38,.82);
  border-left:2px solid var(--cyan);
  padding:12px 18px;
  color:var(--white); font-size:14.5px;
  backdrop-filter:blur(3px);
}
.carousel-slide .slide-num{
  position:absolute; top:26px; left:26px;
  font-family:var(--font-mono); font-size:12px; color:var(--cyan);
  letter-spacing:.08em;
}

.carousel-arrow{
  position:absolute; top:50%; transform:translateY(-50%);
  width:44px; height:44px;
  background:rgba(10,24,38,.7);
  border:1px solid rgba(255,255,255,.25);
  color:var(--white);
  display:flex; align-items:center; justify-content:center;
  cursor:pointer; z-index:5; transition:background .2s, border-color .2s;
}
.carousel-arrow:hover{background:var(--navy-800); border-color:var(--cyan);}
.carousel-arrow.prev{left:18px;}
.carousel-arrow.next{right:18px;}
@media (max-width:600px){ .carousel-arrow{width:36px; height:36px;} }

.carousel-dots{
  display:flex; justify-content:center; gap:9px;
  padding:22px 0 48px;
}
.carousel-dots button{
  width:9px; height:9px; border-radius:50%;
  background:rgba(255,255,255,.25);
  border:none; cursor:pointer; padding:0;
  transition:background .2s, transform .2s;
}
.carousel-dots button.active{background:var(--cyan); transform:scale(1.2);}

/* ---------- Descarga de portafolio ---------- */
.download-band{
  background:var(--navy-950); color:var(--white);
  padding:56px 0;
  border-top:1px solid rgba(255,255,255,.1);
  border-bottom:1px solid rgba(255,255,255,.1);
}
.download-inner{
  display:flex; align-items:center; justify-content:space-between;
  gap:32px; flex-wrap:wrap;
}
.download-inner .icon-doc{
  width:52px; height:52px; flex-shrink:0;
  border:2px solid var(--cyan);
  display:flex; align-items:center; justify-content:center;
}
.download-text h3{color:var(--white); font-size:20px; margin-bottom:6px;}
.download-text p{color:var(--gray-300); font-size:14.5px; margin:0; max-width:480px; text-align:left;}
.download-left{display:flex; align-items:center; gap:20px;}