/* ==========================================================================
   PCA CONSTRUCTORA — Hoja de estilos compartida
   Paleta oficial de marca:
   Azul Corporativo #002B45 | Naranja #FF6A13 | Gris Claro #C8C9C7
   Gris Acero #5B6770 | Negro Carbón #2D2926
   ========================================================================== */
:root{
  --navy:#002B45;
  --navy-light:#0a3d5c;
  --carbon:#2D2926;
  --carbon-light:#3a3532;
  --orange:#FF6A13;
  --orange-dark:#e05c0c;
  --white:#ffffff;
  --gray-100:#f5f6f6;
  --gray-light:#C8C9C7;
  --gray-steel:#5B6770;
  --gray-800:#22201e;
  --radius:10px;
  --shadow:0 10px 30px rgba(0,43,69,0.14);
  --maxw:1180px;
}
*{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{font-family:'Inter',sans-serif;color:var(--gray-800);background:var(--white);line-height:1.6;}
h1,h2,h3,h4{font-family:'Montserrat',sans-serif;font-weight:800;color:var(--navy);line-height:1.15;}
a{text-decoration:none;color:inherit;}
ul{list-style:none;}
img{max-width:100%;display:block;}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px;}
.eyebrow{display:inline-block;font-family:'Montserrat',sans-serif;font-weight:700;font-size:13px;letter-spacing:1.5px;text-transform:uppercase;color:var(--orange);margin-bottom:12px;}
.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 26px;border-radius:6px;font-family:'Montserrat',sans-serif;font-weight:700;font-size:14.5px;letter-spacing:.3px;cursor:pointer;border:2px solid transparent;transition:all .2s ease;white-space:nowrap;text-transform:uppercase;}
.btn-primary{background:var(--orange);color:#fff;}
.btn-primary:hover{background:var(--orange-dark);transform:translateY(-2px);}
.btn-outline{background:transparent;border-color:rgba(255,255,255,0.5);color:#fff;}
.btn-outline:hover{border-color:#fff;background:rgba(255,255,255,0.08);}
.btn-navy{background:var(--navy);color:#fff;}
.btn-navy:hover{background:var(--navy-light);}
.btn-whatsapp{background:#25D366;color:#fff;text-transform:none;}
.btn-whatsapp:hover{background:#1ebe57;}
.btn-sm{padding:10px 18px;font-size:12.5px;}
.section{padding:88px 0;}
.section-sm{padding:56px 0;}
.section-head{max-width:640px;margin-bottom:44px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.section-head p{color:var(--gray-steel);font-size:16.5px;margin-top:10px;}
.placeholder-tag{display:inline-block;background:#fff1e6;color:var(--orange-dark);font-size:10.5px;font-weight:700;padding:3px 8px;border-radius:4px;letter-spacing:.5px;text-transform:uppercase;margin-left:6px;vertical-align:middle;}
.pagehead{background:linear-gradient(120deg, rgba(0,16,26,0.93), rgba(0,43,69,0.88)), url('https://images.unsplash.com/photo-1685459144359-60b6e24783ad?q=80&w=1600&auto=format&fit=crop') center/cover no-repeat;color:#fff;padding:64px 0 54px;position:relative;border-bottom:3px solid var(--orange);}
.pagehead .eyebrow{color:var(--orange);}
.pagehead h1{color:#fff;font-size:36px;margin-bottom:12px;}
.pagehead p{color:#c9d3db;font-size:16.5px;max-width:640px;}
.pagehead .crumbs{font-size:12.5px;color:#9fb0bd;margin-bottom:14px;text-transform:uppercase;letter-spacing:.5px;}
.pagehead .crumbs a:hover{color:#fff;}

/* HEADER */
header{position:sticky;top:0;z-index:100;background:var(--navy);box-shadow:0 2px 14px rgba(0,0,0,0.18);border-bottom:2px solid var(--orange);}
.nav{display:flex;align-items:center;justify-content:space-between;padding:6px 24px;max-width:var(--maxw);margin:0 auto;gap:24px;}
.logo{display:flex;align-items:center;}
.logo img{height:74px;width:auto;display:block;}
.nav-links{display:flex;gap:26px;align-items:center;flex-wrap:wrap;}
.nav-links a{color:#dfe6ea;font-size:13.5px;font-weight:600;font-family:'Montserrat',sans-serif;letter-spacing:.2px;transition:color .2s;text-transform:uppercase;padding:6px 0;border-bottom:2px solid transparent;}
.nav-links a:hover, .nav-links a.active{color:var(--orange);border-bottom-color:var(--orange);}
.nav-cta{display:flex;gap:10px;align-items:center;flex-shrink:0;}
.nav-toggle{display:none;background:none;border:none;color:#fff;font-size:22px;cursor:pointer;}

/* HERO (home) */
.hero{position:relative;background:linear-gradient(120deg, rgba(0,16,26,0.92), rgba(0,43,69,0.84)), url('https://images.unsplash.com/photo-1720811559371-7b0ebd219127?q=80&w=1800&auto=format&fit=crop') center/cover no-repeat;color:#fff;padding:64px 0 0;overflow:hidden;}
.hero::after{content:"";position:absolute;top:-120px;right:-120px;width:420px;height:420px;background:radial-gradient(circle, rgba(255,106,19,0.22), transparent 70%);pointer-events:none;}
.hero-inner{max-width:var(--maxw);margin:0 auto;padding:64px 24px 64px;position:relative;z-index:1;}
.hero .eyebrow{color:var(--orange);}
.hero h1{font-size:48px;color:#fff;margin-bottom:16px;max-width:680px;letter-spacing:-.5px;}
.hero p.lead{font-size:18px;color:#e3e9ed;max-width:520px;margin-bottom:10px;font-weight:500;}
.hero p.sub{font-size:15px;color:#aebdc7;max-width:520px;margin-bottom:32px;}
.hero-ctas{display:flex;gap:14px;flex-wrap:wrap;}
.hero-stats{background:var(--carbon);border-top:1px solid rgba(255,255,255,0.1);position:relative;z-index:1;}
.hero-stats .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;padding:26px 24px;}
.hstat{display:flex;align-items:center;gap:12px;}
.hstat i{color:var(--orange);font-size:26px;flex-shrink:0;width:26px;text-align:center;}
.hstat strong{display:block;font-family:'Montserrat',sans-serif;font-size:15px;color:#fff;font-weight:800;text-transform:uppercase;letter-spacing:.2px;}
.hstat span{font-size:12.5px;color:#b9beba;}

/* FORM CARD */
.form-card{background:#fff;border-radius:var(--radius);padding:28px;color:var(--gray-800);box-shadow:var(--shadow);}
.form-card h3{font-size:19px;margin-bottom:4px;}
.form-card p.sub{color:var(--gray-steel);font-size:13.5px;margin-bottom:18px;}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:12px;}
.form-row.single{grid-template-columns:1fr;}
.field label{display:block;font-size:12.5px;font-weight:600;color:var(--gray-800);margin-bottom:5px;}
.field input, .field select, .field textarea{width:100%;padding:11px 12px;border:1.5px solid #dfe2e4;border-radius:6px;font-family:'Inter',sans-serif;font-size:14px;color:var(--gray-800);background:#fbfbfb;}
.field input:focus, .field select:focus, .field textarea:focus{outline:none;border-color:var(--orange);}
.form-card .btn-primary{width:100%;justify-content:center;margin-top:8px;}
.microcopy{font-size:11.5px;color:var(--gray-steel);text-align:center;margin-top:10px;}
.honeypot{position:absolute;left:-9999px;}

/* TRUST STRIP */
.strip{background:var(--gray-100);padding:24px 0;border-bottom:1px solid #e6e7e7;}
.strip .wrap{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:18px;}
.strip-item{display:flex;align-items:center;gap:10px;color:var(--gray-steel);font-size:13.5px;font-weight:600;}
.strip-item i{color:var(--orange);font-size:18px;}

/* ABOUT SUMMARY */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.about-photos{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
.about-photos img{border-radius:var(--radius);height:100%;object-fit:cover;box-shadow:var(--shadow);}
.about-photos .tall{grid-row:span 2;height:100%;}
.about-photos-col{display:grid;gap:14px;}
.about-photos-col img{border-radius:var(--radius);object-fit:cover;height:160px;box-shadow:var(--shadow);}

/* ICON LIST (about strip like mockup) */
.icon-list{display:grid;gap:18px;margin-top:22px;}
.icon-list-item{display:flex;gap:14px;align-items:flex-start;}
.icon-list-item .ic{width:44px;height:44px;background:var(--navy);border-radius:50%;display:flex;align-items:center;justify-content:center;color:var(--orange);font-size:18px;flex-shrink:0;}
.icon-list-item strong{display:block;font-size:14.5px;color:var(--navy);}
.icon-list-item span{font-size:13.5px;color:var(--gray-steel);}

/* SERVICES */
.services-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.service-card{background:#fff;border:1px solid #e6e7e7;border-radius:var(--radius);overflow:hidden;transition:all .2s ease;}
.service-card:hover{border-color:var(--orange);box-shadow:var(--shadow);transform:translateY(-3px);}
.service-card img{width:100%;height:170px;object-fit:cover;}
.service-card .body{padding:22px 22px 24px;}
.service-icon{width:46px;height:46px;background:var(--navy);border-radius:8px;display:flex;align-items:center;justify-content:center;color:var(--orange);font-size:20px;margin-bottom:14px;}
.service-card h3{font-size:16.5px;margin-bottom:8px;}
.service-card p{color:var(--gray-steel);font-size:14px;margin-bottom:14px;}
.service-card a{font-family:'Montserrat',sans-serif;font-weight:700;font-size:12.5px;color:var(--orange);text-transform:uppercase;letter-spacing:.3px;}
.service-card a i{margin-left:4px;transition:transform .2s;}
.service-card:hover a i{transform:translateX(3px);}

/* full-detail service block (servicios.html) */
.service-detail{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;padding:56px 0;border-bottom:1px solid #ececec;}
.service-detail:last-of-type{border-bottom:none;}
.service-detail.reverse .media{order:2;}
.service-detail .media img{border-radius:var(--radius);box-shadow:var(--shadow);width:100%;height:320px;object-fit:cover;}
.service-detail .num{font-family:'Montserrat',sans-serif;font-weight:800;color:var(--orange);font-size:14px;letter-spacing:1px;margin-bottom:10px;}
.service-detail h3{font-size:24px;margin-bottom:12px;}
.service-detail p{color:var(--gray-steel);font-size:15.5px;margin-bottom:18px;}

/* PROCESS */
.process{background:var(--navy);color:#fff;}
.process .section-head h2{color:#fff;}
.process .section-head p{color:#c9d3db;}
.process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.process-step{background:rgba(255,255,255,0.06);border:1px solid rgba(255,255,255,0.08);border-radius:var(--radius);padding:24px 20px;position:relative;}
.process-step .num{font-family:'Montserrat',sans-serif;font-weight:800;font-size:30px;color:var(--orange);opacity:.9;margin-bottom:10px;}
.process-step h4{color:#fff;font-size:15px;margin-bottom:6px;}
.process-step p{color:#c9d3db;font-size:13px;}

.process-full{display:flex;flex-direction:column;gap:0;}
.process-row{display:grid;grid-template-columns:90px 1fr;gap:24px;padding:30px 0;border-bottom:1px solid #ececec;}
.process-row:last-child{border-bottom:none;}
.process-row .step-num{width:64px;height:64px;border-radius:50%;background:var(--navy);color:var(--orange);font-family:'Montserrat',sans-serif;font-weight:800;font-size:24px;display:flex;align-items:center;justify-content:center;}
.process-row h3{font-size:19px;margin-bottom:8px;}
.process-row p{color:var(--gray-steel);font-size:15px;max-width:640px;}

/* PROJECTS */
.projects-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.project-card{position:relative;display:block;border-radius:8px;overflow:hidden;box-shadow:var(--shadow);aspect-ratio:1/1.05;text-decoration:none;color:inherit;}
.project-card img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.project-card:hover img{transform:scale(1.08);}
.project-overlay{position:absolute;inset:0;background:linear-gradient(to top, rgba(0,20,32,0.92), rgba(0,20,32,0) 60%);display:flex;flex-direction:column;justify-content:flex-end;padding:12px;}
.project-overlay span.tag{background:var(--orange);color:#fff;font-size:11px;font-weight:700;padding:3px 9px;border-radius:4px;align-self:flex-start;margin-bottom:8px;text-transform:uppercase;letter-spacing:.5px;}
.project-overlay h4{color:#fff;font-size:13px;line-height:1.25;}
.project-overlay p{color:var(--orange);font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.5px;margin-top:2px;}
.project-overlay a{display:inline-flex;align-items:center;gap:6px;color:var(--orange);font-size:12px;font-weight:700;margin-top:8px;font-family:'Montserrat',sans-serif;text-transform:uppercase;}
.projects-cta{text-align:center;margin-top:36px;}

/* Carousel (home destacados) */
.carousel-wrap{position:relative;}
.carousel-track{display:flex;gap:14px;overflow-x:auto;scroll-snap-type:x mandatory;scroll-behavior:smooth;padding-bottom:6px;scrollbar-width:none;}
.carousel-track::-webkit-scrollbar{display:none;}
.carousel-track .project-card{flex:0 0 calc(20% - 12px);scroll-snap-align:start;}
.carousel-nav{display:flex;gap:10px;justify-content:flex-end;margin-bottom:18px;}
.carousel-nav button{width:38px;height:38px;border-radius:50%;border:1.5px solid #d8dadb;background:#fff;color:var(--navy);cursor:pointer;font-size:14px;transition:all .2s;}
.carousel-nav button:hover{background:var(--navy);color:#fff;border-color:var(--navy);}

/* WHY / BENEFITS */
.why-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.why-card{background:#fff;border:1px solid #ececec;border-radius:var(--radius);padding:26px 22px;}
.why-card i{font-size:26px;color:var(--orange);margin-bottom:14px;}
.why-card h4{font-size:15.5px;margin-bottom:8px;}
.why-card p{font-size:13.5px;color:var(--gray-steel);}

/* TESTIMONIALS / CLIENTS */
.clients{background:var(--gray-100);}
.logo-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:18px;margin-bottom:50px;}
.logo-box{background:#fff;border:1px dashed #c9cbcb;border-radius:8px;height:76px;display:flex;align-items:center;justify-content:center;color:var(--gray-steel);font-size:12px;font-weight:600;text-align:center;padding:8px;}
.testimonial-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.testimonial{background:#fff;border-radius:var(--radius);padding:28px;box-shadow:var(--shadow);}
.testimonial i.quote{color:var(--orange);font-size:22px;margin-bottom:12px;}
.testimonial p.txt{font-size:14.5px;color:var(--gray-800);margin-bottom:16px;font-style:italic;}
.testimonial .who{display:flex;align-items:center;gap:12px;}
.avatar{width:42px;height:42px;border-radius:50%;background:var(--navy);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-family:'Montserrat',sans-serif;}
.testimonial .who strong{display:block;font-size:13.5px;}
.testimonial .who span{font-size:12px;color:var(--gray-steel);}

/* FAQ */
.faq-item{border-bottom:1px solid #ececec;}
.faq-q{display:flex;align-items:center;justify-content:space-between;padding:22px 4px;cursor:pointer;font-family:'Montserrat',sans-serif;font-weight:700;font-size:15.5px;color:var(--navy);}
.faq-q i{color:var(--orange);transition:transform .2s;}
.faq-item.open .faq-q i{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .25s ease;}
.faq-item.open .faq-a{max-height:240px;}
.faq-a p{padding:0 4px 22px;color:var(--gray-steel);font-size:14.5px;}

/* CONTACT */
.contact{background:linear-gradient(120deg, var(--carbon), var(--navy));color:#fff;}
.contact-grid{display:grid;grid-template-columns:0.85fr 1.15fr;gap:50px;}
.contact .section-head h2{color:#fff;}
.contact .section-head p{color:#c9d3db;}
.contact-info{display:flex;flex-direction:column;gap:20px;margin-top:10px;}
.contact-info-item{display:flex;gap:14px;align-items:flex-start;}
.contact-info-item i{width:42px;height:42px;background:rgba(255,106,19,0.16);color:var(--orange);border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:17px;flex-shrink:0;}
.contact-info-item strong{display:block;font-size:14.5px;margin-bottom:2px;}
.contact-info-item span{font-size:13.5px;color:#c9d3db;}
.sla-badge{margin-top:24px;background:rgba(255,255,255,0.06);border:1px solid rgba(255,255,255,0.15);border-radius:8px;padding:16px 18px;display:flex;gap:12px;align-items:center;}
.sla-badge i{color:var(--orange);font-size:20px;}
.sla-badge span{font-size:13px;color:#eef2f4;}
.contact-form{background:#fff;border-radius:var(--radius);padding:32px;color:var(--gray-800);box-shadow:var(--shadow);}
.contact-form h3{margin-bottom:4px;}
.contact-form p.sub{color:var(--gray-steel);font-size:13.5px;margin-bottom:20px;}

/* CTA banner (used across inner pages) */
.cta-banner{background:var(--navy);color:#fff;padding:60px 0;text-align:center;}
.cta-banner h2{color:#fff;font-size:28px;margin-bottom:10px;}
.cta-banner p{color:#c9d3db;font-size:15.5px;margin-bottom:26px;max-width:560px;margin-left:auto;margin-right:auto;}
.cta-banner .ctas{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;}

/* FOOTER */
footer{background:var(--carbon);color:#c7c4c1;padding:56px 0 24px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;margin-bottom:40px;}
.footer-grid h4{color:#fff;font-size:14px;margin-bottom:16px;font-family:'Montserrat',sans-serif;text-transform:uppercase;letter-spacing:.4px;}
.footer-grid ul li{margin-bottom:10px;font-size:13.5px;}
.footer-grid ul li a:hover{color:var(--orange);}
.footer-logo img{height:58px;margin-bottom:16px;}
.footer-social{display:flex;gap:10px;margin-top:16px;}
.footer-social a{width:34px;height:34px;border-radius:6px;background:rgba(255,255,255,0.07);display:flex;align-items:center;justify-content:center;color:#fff;transition:background .2s;}
.footer-social a:hover{background:var(--orange);}
.footer-bottom{border-top:1px solid rgba(255,255,255,0.1);padding-top:20px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:12.5px;}

/* PROJECT TABS + GALLERY */
.project-tabs{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:36px;}
.project-tab{padding:10px 18px;border-radius:6px;border:1.5px solid #dfe2e4;background:#fff;color:var(--navy);font-family:'Montserrat',sans-serif;font-weight:700;font-size:12.5px;letter-spacing:.3px;text-transform:uppercase;cursor:pointer;transition:all .2s ease;}
.project-tab:hover{border-color:var(--orange);color:var(--orange-dark);}
.project-tab.active{background:var(--orange);border-color:var(--orange);color:#fff;}
.project-panel{display:none;}
.project-panel.active{display:block;}
.project-panel-head{margin-bottom:18px;display:flex;align-items:baseline;gap:12px;flex-wrap:wrap;}
.project-panel-head h3{font-size:20px;}
.project-panel-head span{color:var(--gray-steel);font-size:13px;}
.project-gallery{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;}
.project-gallery img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:8px;cursor:pointer;box-shadow:var(--shadow);transition:transform .2s ease;background:var(--gray-100);}
.project-gallery img:hover{transform:scale(1.03);}

/* LIGHTBOX */
.lightbox{position:fixed;inset:0;background:rgba(0,10,18,0.94);display:none;align-items:center;justify-content:center;z-index:999;padding:60px 24px;}
.lightbox.open{display:flex;}
.lightbox img{max-width:100%;max-height:82vh;border-radius:8px;box-shadow:0 20px 60px rgba(0,0,0,.5);}
.lightbox-close{position:absolute;top:22px;right:26px;color:#fff;font-size:26px;cursor:pointer;opacity:.85;}
.lightbox-close:hover{opacity:1;}
.lightbox-nav{position:absolute;top:50%;transform:translateY(-50%);color:#fff;font-size:30px;cursor:pointer;padding:14px;opacity:.75;}
.lightbox-nav:hover{opacity:1;}
.lightbox-prev{left:10px;}
.lightbox-next{right:10px;}
.lightbox-count{position:absolute;bottom:24px;left:50%;transform:translateX(-50%);color:#c9d3db;font-size:12.5px;font-family:'Montserrat',sans-serif;letter-spacing:.5px;}

/* WHATSAPP FLOAT */
.wa-float{position:fixed;bottom:24px;right:24px;background:#25D366;color:#fff;width:58px;height:58px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:27px;box-shadow:0 6px 18px rgba(0,0,0,0.28);z-index:200;transition:transform .2s;}
.wa-float:hover{transform:scale(1.08);}

@media (max-width: 980px){
  .hero-grid, .about-grid, .contact-grid, .service-detail{grid-template-columns:1fr;}
  .service-detail .media{order:-1 !important;}
  .services-grid, .why-grid{grid-template-columns:repeat(2,1fr);}
  .process-grid{grid-template-columns:repeat(2,1fr);}
  .projects-grid{grid-template-columns:repeat(2,1fr);}
  .carousel-track .project-card{flex:0 0 calc(33.333% - 10px);}
  .logo-grid{grid-template-columns:repeat(3,1fr);}
  .testimonial-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .hero-stats .wrap{grid-template-columns:repeat(2,1fr);}
}
@media (max-width: 700px){
  .nav-links{display:none;position:absolute;top:100%;left:0;right:0;background:var(--navy);flex-direction:column;gap:0;padding:8px 24px 16px;box-shadow:0 8px 16px rgba(0,0,0,0.2);}
  .nav-links.mobile-open{display:flex;}
  .nav-links a{width:100%;padding:12px 0;border-bottom:1px solid rgba(255,255,255,0.08);}
  .nav-cta .btn-outline{display:none;}
  .nav-toggle{display:block;}
  header .nav{position:relative;}
  .hero h1{font-size:30px;}
  .pagehead h1{font-size:27px;}
  .services-grid, .why-grid, .process-grid, .projects-grid, .logo-grid{grid-template-columns:1fr;}
  .project-gallery{grid-template-columns:repeat(2,1fr);}
  .carousel-track .project-card{flex:0 0 45%;}
  .footer-grid{grid-template-columns:1fr;}
  .form-row{grid-template-columns:1fr;}
  .section{padding:56px 0;}
  .hero-stats .wrap{grid-template-columns:1fr 1fr;}
}