/* =========================================================
   Hb2 Ingeniería S.A.S. — Hoja de estilos principal
   ========================================================= */

:root{
  --navy:#0A2A43;
  --navy-2:#0D3654;
  --blue:#0B69AC;
  --blue-dark:#063A6E;
  --teal:#1994A4;
  --orange:#E8621A;
  --orange-2:#C94F0F;
  --yellow:#F4B400;
  --concrete:#EDEAE2;
  --paper:#F7F5F0;
  --ink:#232324;
  --line:rgba(10,42,67,0.12);
  --white:#fff;
}

*{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{
  font-family:'Inter',sans-serif;
  color:var(--ink);
  background:var(--paper);
  line-height:1.55;
}
h1,h2,h3,.display{
  font-family:'Big Shoulders Display',sans-serif;
  text-transform:uppercase;
  letter-spacing:0.01em;
  font-weight:800;
  line-height:0.98;
}
.mono{
  font-family:'IBM Plex Mono',monospace;
  letter-spacing:0.04em;
  text-transform:uppercase;
}
a{color:inherit;text-decoration:none;}
img{display:block;max-width:100%;}
ul{list-style:none;}
.wrap{max-width:1180px;margin:0 auto;padding:0 28px;}

.stripe{
  height:10px;
  background: repeating-linear-gradient(-45deg, var(--yellow) 0 18px, var(--navy) 18px 36px);
}

/* ===== HEADER ===== */
header.site-header{
  position:sticky;top:0;z-index:50;
  background:var(--navy);
  border-bottom:3px solid var(--orange);
}
.nav{
  display:flex;align-items:center;justify-content:space-between;
  padding:8px 28px;
  max-width:1180px;margin:0 auto;
}
.logo img{height:92px;display:block;}
nav.links{display:flex;gap:30px;}
nav.links a{
  color:var(--concrete);
  font-family:'Big Shoulders Display';
  font-weight:700;
  font-size:17px;
  letter-spacing:0.03em;
  text-transform:uppercase;
  padding:4px 0;
  border-bottom:2px solid transparent;
}
nav.links a:hover, nav.links a.active{color:var(--yellow);border-color:var(--yellow);}
.nav-cta{
  background:var(--orange);
  color:var(--white)!important;
  padding:10px 20px;
  font-family:'Big Shoulders Display';
  font-weight:700;
  text-transform:uppercase;
  font-size:16px;
  letter-spacing:0.03em;
}
.nav-cta:hover{background:var(--orange-2);}
.nav-toggle{display:none;background:none;border:none;color:#fff;font-size:28px;cursor:pointer;}

/* ===== PAGE HERO (páginas internas) ===== */
.page-hero{
  position:relative;
  min-height:46vh;
  display:flex;align-items:flex-end;
  background:var(--navy);
  overflow:hidden;
}
.page-hero img.bg{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
  opacity:0.45;filter:grayscale(15%) contrast(1.05);
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg, rgba(10,42,67,0.35) 0%, rgba(10,42,67,0.75) 60%, rgba(10,42,67,0.97) 100%);
}
.page-hero-content{position:relative;z-index:2;padding:60px 28px 44px;max-width:1180px;margin:0 auto;width:100%;}
.page-hero h1{color:var(--white);font-size:clamp(38px,6vw,68px);max-width:820px;}

.eyebrow{
  color:var(--yellow);font-family:'IBM Plex Mono';font-size:13px;letter-spacing:0.15em;
  text-transform:uppercase;display:flex;align-items:center;gap:10px;margin-bottom:16px;
}
.eyebrow::before{content:"";width:28px;height:2px;background:var(--orange);display:inline-block;}

/* ===== HERO HOME ===== */
.hero{
  position:relative;min-height:88vh;display:flex;align-items:flex-end;
  background:var(--navy);overflow:hidden;
}
.hero img.bg{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
  opacity:0.78;filter:grayscale(10%) contrast(1.05);
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg, rgba(10,42,67,0.15) 0%, rgba(10,42,67,0.4) 45%, rgba(10,42,67,0.92) 96%);
}
.hero-content{position:relative;z-index:2;padding:80px 28px 56px;max-width:1180px;margin:0 auto;width:100%;}
.hero h1{color:var(--white);font-size:clamp(42px,7vw,92px);max-width:860px;margin-bottom:20px;}
.hero h1 em{font-style:normal;color:var(--yellow);}
.hero p{color:var(--concrete);max-width:520px;font-size:17px;margin-bottom:32px;font-family:'Inter';}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap;}

/* ===== BOTONES ===== */
.btn{
  display:inline-block;padding:15px 30px;font-family:'Big Shoulders Display';font-weight:700;
  text-transform:uppercase;font-size:17px;letter-spacing:0.03em;border:2px solid transparent;
  cursor:pointer;
}
.btn-primary{background:var(--orange);color:var(--white);}
.btn-primary:hover{background:var(--orange-2);}
.btn-outline{border-color:rgba(255,255,255,0.4);color:var(--white);background:transparent;}
.btn-outline:hover{border-color:var(--yellow);color:var(--yellow);}
.btn-outline-navy{border-color:var(--navy);color:var(--navy);background:transparent;}
.btn-outline-navy:hover{background:var(--navy);color:#fff;}

/* ===== PLATE (etiqueta estilo placa) ===== */
.plate{
  display:inline-flex;align-items:center;gap:8px;font-family:'IBM Plex Mono';font-size:12px;
  letter-spacing:0.1em;text-transform:uppercase;color:var(--navy);background:var(--white);
  border:1.5px solid var(--navy);padding:5px 10px;
}
.plate::before{content:"";width:7px;height:7px;background:var(--orange);border-radius:50%;}
.plate.plate-light{background:rgba(247,245,240,0.92);}

/* ===== SECCIONES ===== */
.section{padding:96px 0;}
.section.tight{padding:64px 0;}
.section-head{
  display:flex;justify-content:space-between;align-items:flex-end;gap:24px;
  margin-bottom:52px;flex-wrap:wrap;
}
.section-head h2{font-size:clamp(34px,4.6vw,58px);color:var(--navy);}
.section-head p{max-width:380px;color:var(--blue-dark);font-size:15px;padding-bottom:6px;font-family:'Inter';}
.section-bg-alt{background:var(--concrete);}

/* ===== ABOUT / NOSOTROS ===== */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:start;}
.about-lead{
  font-family:'Big Shoulders Display';font-weight:700;font-size:30px;text-transform:none;
  color:var(--navy);line-height:1.25;margin-bottom:20px;
}
.prose p{color:var(--ink);font-size:15.5px;margin-bottom:16px;opacity:0.85;text-align:justify;}
.stat-row{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);margin-top:36px;border:1px solid var(--line);}
.stat{background:var(--paper);padding:22px 18px;}
.stat .num{font-family:'Big Shoulders Display';font-weight:800;font-size:40px;color:var(--orange);display:block;line-height:1;}
.stat .lbl{font-family:'IBM Plex Mono';font-size:11px;color:var(--blue-dark);text-transform:uppercase;letter-spacing:0.06em;display:block;margin-top:8px;}

.values-list li{display:flex;gap:16px;padding:16px 0;border-bottom:1px solid var(--line);}
.values-list li:first-child{border-top:1px solid var(--line);}
.values-list .vnum{font-family:'IBM Plex Mono';color:var(--orange);font-size:13px;padding-top:2px;}
.values-list strong{font-family:'Big Shoulders Display';font-size:20px;text-transform:uppercase;color:var(--navy);display:block;}
.values-list span{color:var(--ink);font-size:14px;opacity:0.8;}

/* ===== UNIDADES DE NEGOCIO (tarjetas foto) ===== */
.units-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:2px;background:var(--line);border:1px solid var(--line);}
.unit-card{background:var(--paper);position:relative;overflow:hidden;min-height:340px;display:flex;flex-direction:column;justify-content:flex-end;}
.unit-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.unit-card:hover img{transform:scale(1.06);}
.unit-card::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg, rgba(10,42,67,0.05) 0%, rgba(10,42,67,0.94) 88%);}
.unit-inner{position:relative;z-index:2;padding:22px;}
.unit-inner .plate{margin-bottom:12px;}
.unit-card h3{color:var(--white);font-size:27px;margin-bottom:6px;}
.unit-card p{color:var(--concrete);font-size:13.5px;max-width:280px;font-family:'Inter';}
.unit-card a.unit-link{position:absolute;inset:0;z-index:3;}

/* ===== SERVICIOS: LISTA DETALLADA ===== */
.service-block{
  display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;
  padding:56px 0;border-bottom:1px solid var(--line);
}
.service-block:last-child{border-bottom:none;}
.service-block img{order:1;}
.service-block > div{order:2;}
.service-block.reverse img{order:2;}
.service-block.reverse > div{order:1;}
.service-block img{width:100%;height:340px;object-fit:cover;}
.service-block h3{font-size:32px;color:var(--navy);margin-bottom:14px;}
.service-block p{color:var(--ink);opacity:0.85;font-size:15.5px;margin-bottom:10px;text-align:justify;}

/* ===== CTA STRIP ===== */
.cta-strip{background:var(--navy);padding:70px 0;position:relative;}
.cta-strip .wrap{display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap;}
.cta-strip h2{color:var(--white);font-size:clamp(30px,4.4vw,48px);max-width:560px;}
.cta-strip h2 span{color:var(--yellow);}

/* ===== GALERÍA DE PROYECTOS ===== */
.filters{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:44px;}
.filter-btn{
  font-family:'IBM Plex Mono';font-size:12px;letter-spacing:0.06em;text-transform:uppercase;
  padding:9px 16px;border:1.5px solid var(--navy);color:var(--navy);background:transparent;cursor:pointer;
}
.filter-btn:hover{background:var(--navy);color:#fff;}
.filter-btn.active{background:var(--navy);color:#fff;}

.proyectos-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;}
.proyecto-card{background:#fff;border:1px solid var(--line);overflow:hidden;display:block;}
.proyecto-card .thumb{height:220px;overflow:hidden;position:relative;}
.proyecto-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.proyecto-card:hover .thumb img{transform:scale(1.08);}
.proyecto-card .body{padding:20px;}
.proyecto-card .cat-tag{font-family:'IBM Plex Mono';font-size:11px;color:var(--orange);text-transform:uppercase;letter-spacing:0.08em;}
.proyecto-card h3{font-size:22px;color:var(--navy);margin-top:8px;text-transform:none;font-family:'Big Shoulders Display';font-weight:700;}
.proyecto-card .loc{font-size:13px;color:var(--blue-dark);margin-top:6px;font-family:'Inter';}
.empty-state{text-align:center;padding:80px 20px;color:var(--blue-dark);}

/* ===== DETALLE PROYECTO ===== */
.proyecto-detalle-grid{display:grid;grid-template-columns:2fr 1fr;gap:56px;}
.proyecto-galeria{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:24px;}
.proyecto-galeria img{width:100%;height:220px;object-fit:cover;}
.proyecto-meta{background:var(--concrete);padding:28px;}
.proyecto-meta dt{font-family:'IBM Plex Mono';font-size:11px;text-transform:uppercase;color:var(--blue-dark);letter-spacing:0.06em;margin-top:16px;}
.proyecto-meta dt:first-child{margin-top:0;}
.proyecto-meta dd{font-family:'Big Shoulders Display';font-size:20px;color:var(--navy);margin-top:4px;}

/* ===== FORMULARIO DE CONTACTO ===== */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:64px;}
.form-group{margin-bottom:20px;}
.form-group label{
  display:block;font-family:'IBM Plex Mono';font-size:11px;text-transform:uppercase;
  letter-spacing:0.06em;color:var(--blue-dark);margin-bottom:8px;
}
.form-group input, .form-group textarea, .form-group select{
  width:100%;border:1.5px solid var(--line);background:#fff;padding:13px 14px;
  font-family:'Inter';font-size:15px;color:var(--ink);
}
.form-group input:focus, .form-group textarea:focus, .form-group select:focus{
  outline:none;border-color:var(--blue);
}
.form-group textarea{resize:vertical;min-height:130px;}
.form-msg{padding:16px 18px;margin-bottom:24px;font-family:'Inter';font-size:14.5px;}
.form-msg.success{background:#E4F3E1;color:#245C1F;border:1px solid #A9D8A0;}
.form-msg.error{background:#FBE4DD;color:#8A2E12;border:1px solid #F0B39D;}
.contact-info dt{font-family:'IBM Plex Mono';font-size:11px;text-transform:uppercase;color:var(--orange);letter-spacing:0.06em;margin-top:22px;}
.contact-info dt:first-child{margin-top:0;}
.contact-info dd{font-family:'Big Shoulders Display';font-weight:700;font-size:21px;color:var(--navy);margin-top:4px;text-transform:none;}

/* ===== FOOTER ===== */
footer.site-footer{background:var(--navy-2);color:var(--concrete);padding:64px 0 28px;}
.foot-grid{display:grid;grid-template-columns:1.3fr 0.8fr 1fr 1.1fr 0.8fr;gap:32px;padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,0.1);}
footer h4{font-family:'Big Shoulders Display';font-size:16px;letter-spacing:0.05em;color:var(--yellow);text-transform:uppercase;margin-bottom:16px;}
footer .logo img{height:78px;margin-bottom:6px;}
footer p{color:rgba(237,234,226,0.75);font-size:14px;max-width:280px;margin-top:14px;font-family:'Inter';}
footer li{margin-bottom:10px;}
footer a{color:rgba(237,234,226,0.88);font-size:14px;font-family:'Inter';}
footer a:hover{color:var(--yellow);}
.foot-bottom{padding-top:24px;display:flex;justify-content:space-between;font-family:'IBM Plex Mono';font-size:11.5px;color:rgba(237,234,226,0.5);flex-wrap:wrap;gap:10px;}

/* ===== RESPONSIVE ===== */
@media(max-width:900px){
  .about-grid, .contact-grid, .proyecto-detalle-grid{grid-template-columns:1fr;gap:40px;}
  .units-grid{grid-template-columns:1fr 1fr;}
  .foot-grid{grid-template-columns:1fr 1fr;}
  .proyectos-grid{grid-template-columns:1fr 1fr;}
  .service-block{grid-template-columns:1fr;}
  .service-block img, .service-block > div{order:initial;}
  nav.links{display:none;}
  .nav-toggle{display:block;}
}
@media(max-width:600px){
  .units-grid{grid-template-columns:1fr;}
  .stat-row{grid-template-columns:1fr;}
  .foot-grid{grid-template-columns:1fr;gap:28px;}
  .proyectos-grid{grid-template-columns:1fr;}
  .section{padding:64px 0;}
}