/* ============================================================
   KRATER — Creaciones en Concreto
   Identidad visual basada en el theme de referencia del cliente:
   fondo claro, header/footer oscuros, acento naranja, tarjetas
   blancas con sombra, secciones alternadas claro/gris.
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@500;600;700;800&family=Inter:wght@400;500;600&display=swap');

:root{
  --ink:        #1c1b1a;   /* header / footer */
  --ink-2:      #232220;
  --line-dark:  rgba(255,255,255,0.10);
  --paper:      #ffffff;
  --bg-soft:    #f3f1ee;   /* secciones grises */
  --text:       #1a1a1a;
  --text-dim:   #6b6b6b;
  --line:       #e7e4de;
  --orange:     #C00504;   /* rojo real de la marca KRATER, tomado del logo */
  --orange-dk:  #770504;
  --radius:     4px;
  --accent: var(--orange);
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:'Inter',-apple-system,sans-serif;
  font-size:16px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
h1,h2,h3,h4{
  font-family:'Poppins',sans-serif;
  font-weight:700;
  line-height:1.2;
  margin:0 0 .4em;
  color:var(--text);
}
p{margin:0 0 1em;color:var(--text-dim);}
.container{max-width:1240px;margin:0 auto;padding:0 32px;}
.eyebrow{
  font-family:'Poppins',sans-serif;font-weight:600;
  font-size:13px;letter-spacing:.06em;text-transform:uppercase;
  color:var(--orange);margin-bottom:12px;
}
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:14px 28px;font-family:'Poppins',sans-serif;font-weight:600;font-size:14.5px;
  border-radius:30px;cursor:pointer;transition:all .2s ease;border:2px solid transparent;
}
.btn-solid{background:var(--orange);color:#fff;}
.btn-solid:hover{background:var(--orange-dk);}
.btn-outline{border-color:#fff;color:#fff;}
.btn-outline:hover{background:#fff;color:var(--ink);}
.btn-link{color:var(--text);font-family:'Poppins',sans-serif;font-weight:600;font-size:14.5px;display:inline-flex;align-items:center;gap:8px;}
.btn-link:hover{color:var(--orange);}
.section-title{font-size:clamp(28px,3.4vw,42px);}
section{padding:100px 0;}

/* ---------- Header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  background:var(--ink);
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 32px;transition:padding .25s ease, box-shadow .25s ease;
}
.site-header.scrolled{padding:10px 32px;box-shadow:0 6px 24px rgba(0,0,0,.25);}
.brand{display:flex;align-items:center;gap:10px;}
.brand img{height:36px;width:auto;}
.brand-icon{width:34px;height:34px;color:var(--orange);flex:none;}
.brand-text{font-family:'Poppins',sans-serif;font-weight:800;font-size:21px;color:#fff;letter-spacing:.01em;line-height:1;}
.brand-text span{display:block;font-family:'Inter',sans-serif;font-weight:500;font-size:9.5px;letter-spacing:.18em;color:#a9a6a1;text-transform:uppercase;margin-top:4px;}
.nav-links{display:flex;gap:30px;align-items:center;}
.nav-links a{font-family:'Poppins',sans-serif;font-weight:500;font-size:14.5px;color:#d8d5d0;position:relative;padding:4px 0;}
.nav-links a:hover, .nav-links a.active{color:var(--orange);}
.nav-links a.active::after{content:"";position:absolute;left:0;right:0;bottom:-6px;height:2px;background:var(--orange);}
.header-right{display:flex;align-items:center;gap:22px;}
.header-phone{display:flex;align-items:center;gap:8px;color:#fff;font-family:'Poppins',sans-serif;font-weight:600;font-size:14.5px;}
.header-phone svg{width:17px;height:17px;color:var(--orange);}
.menu-toggle{display:none;background:none;border:0;color:#fff;font-size:24px;cursor:pointer;}

/* ---------- Hero (split) ---------- */
.hero{position:relative;min-height:92vh;display:flex;align-items:center;overflow:hidden;background:var(--ink);margin-top:0;}
.hero-media{position:absolute;top:0;left:0;right:0;bottom:0;width:100%;height:100%;z-index:0;}
.hero-media img,.hero-media video{width:100%;height:100%;object-fit:cover;display:block;}
.hero-media.no-media{background:radial-gradient(circle at 30% 20%, #3a3a3a, var(--ink) 75%);}
.hero-overlay{
  position:absolute;top:0;left:0;right:0;bottom:0;width:100%;height:100%;z-index:1;
  background:linear-gradient(180deg, rgba(10,9,8,.6) 0%, rgba(10,9,8,.4) 45%, rgba(10,9,8,.82) 100%);
}
.hero-content{position:relative;z-index:2;padding:150px 0 90px;width:100%;}
.hero-text{max-width:640px;}
.hero-headline{font-size:clamp(34px,4.6vw,58px);line-height:1.1;color:#fff;}
.hero-headline .accent{color:var(--orange);}
.hero-sub{max-width:460px;font-size:16px;color:#e5e2dd;}
.hero-cta-row{display:flex;gap:16px;margin-top:30px;flex-wrap:wrap;}

/* ---------- Trust / quality section ---------- */
.trust-section{background:var(--bg-soft);padding-bottom:70px;}
.trust-head{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:start;}
.trust-head h2{font-size:clamp(26px,3vw,36px);position:relative;padding-left:24px;border-left:3px solid var(--orange);}
.trust-head p{align-self:center;font-size:15px;}
.trust-cards{margin-top:56px;}
.trust-cards .container{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.trust-card{background:#fff;padding:40px 34px;box-shadow:0 20px 50px rgba(20,18,16,.09);border-radius:var(--radius);}
.trust-card h3{font-size:21px;margin-bottom:12px;}
.trust-card p{font-size:14px;margin-bottom:18px;}

/* ---------- Services intro strip ---------- */
.services-intro{text-align:center;padding-top:100px;}
.services-intro h2{max-width:720px;margin:0 auto 14px;font-size:clamp(26px,3.4vw,40px);}
.services-intro p{max-width:520px;margin:0 auto;}
.strip-photos{display:grid;grid-template-columns:repeat(3,1fr);margin-top:56px;}
.strip-photo{aspect-ratio:1/0.85;overflow:hidden;position:relative;background:var(--bg-soft);}
.strip-photo img{width:100%;height:100%;object-fit:cover;}
.strip-more{text-align:center;margin-top:36px;font-size:15px;color:var(--text-dim);}
.strip-more a{color:var(--text);font-weight:600;text-decoration:underline;}
.strip-more a:hover{color:var(--orange);}

/* ---------- Testimonials (quote mark) ---------- */
.testimonial-section{text-align:center;background:var(--paper);}
.testimonial-block{max-width:780px;margin:0 auto 60px;}
.testimonial-block:last-child{margin-bottom:0;}
.quote-mark{
  width:64px;height:64px;margin:0 auto 22px;color:var(--bg-soft);
  display:flex;align-items:center;justify-content:center;
}
.quote-mark svg{width:100%;height:100%;}
.testimonial-quote{font-family:'Poppins',sans-serif;font-size:clamp(18px,2.2vw,23px);font-weight:500;color:var(--text);line-height:1.5;margin-bottom:26px;}
.testimonial-author{font-family:'Poppins',sans-serif;font-weight:700;font-size:18px;}
.testimonial-role{font-size:13.5px;color:var(--text-dim);margin-top:2px;}

/* ---------- Featured project banner ---------- */
.featured-project{padding-top:0;}
.featured-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:18px;align-items:end;}
.featured-photo-wrap{position:relative;overflow:hidden;border-radius:var(--radius);aspect-ratio:16/11;}
.featured-photo-wrap img{width:100%;height:100%;object-fit:cover;}
.featured-badge{
  position:absolute;left:0;bottom:36px;background:var(--orange);color:#fff;
  padding:30px 36px;max-width:340px;
}
.featured-badge h3{color:#fff;font-size:26px;margin-bottom:10px;}
.featured-badge a{color:#fff;font-weight:600;display:inline-flex;align-items:center;gap:8px;font-family:'Poppins',sans-serif;}
.featured-secondary{aspect-ratio:4/5;overflow:hidden;border-radius:var(--radius);background:var(--bg-soft);}
.featured-secondary img{width:100%;height:100%;object-fit:cover;}

/* ---------- Stats + spotlight ---------- */
.stats-row{display:grid;grid-template-columns:repeat(4,1fr);gap:30px;margin-bottom:80px;}
.stat-item{display:flex;align-items:center;gap:16px;}
.stat-icon{width:44px;height:44px;color:var(--orange);flex:none;}
.stat-icon svg{width:100%;height:100%;}
.stat-value{font-family:'Poppins',sans-serif;font-weight:800;font-size:26px;color:var(--text);line-height:1;}
.stat-label{font-size:13px;color:var(--text-dim);line-height:1.3;margin-top:4px;}
.spotlight-head{text-align:center;max-width:680px;margin:0 auto 56px;}
.spotlight-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.spotlight-card{overflow:hidden;border-radius:var(--radius);}
.spotlight-card-img{aspect-ratio:1/1;overflow:hidden;background:var(--bg-soft);}
.spotlight-card-img img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.spotlight-card:hover img{transform:scale(1.05);}
.spotlight-card-title{font-family:'Poppins',sans-serif;font-weight:700;font-size:17px;margin-top:14px;text-align:center;}

/* ---------- Services grid (full) ---------- */
.services-section{background:var(--bg-soft);}
.services-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.service-card{background:#fff;border-radius:var(--radius);padding:32px 28px;box-shadow:0 12px 34px rgba(20,18,16,.06);}
.service-icon{width:42px;height:42px;color:var(--orange);margin-bottom:16px;}
.service-icon svg{width:100%;height:100%;}
.service-card-img{aspect-ratio:16/10;overflow:hidden;border-radius:var(--radius);margin-bottom:16px;}
.service-card-img img{width:100%;height:100%;object-fit:cover;}
.service-name{font-size:20px;margin-bottom:4px;}
.service-short{font-family:'Poppins',sans-serif;font-size:11px;font-weight:600;letter-spacing:.04em;text-transform:uppercase;color:var(--orange);display:block;margin-bottom:12px;}
.service-card p{font-size:14px;margin:0;}

/* ---------- Marquee (brands / clients) ---------- */
.marquee-wrap{background:var(--ink);padding:24px 0;overflow:hidden;}
.marquee-label{font-family:'Poppins',sans-serif;font-size:11px;color:#8f8b85;letter-spacing:.14em;text-transform:uppercase;padding:0 32px 12px;}
.marquee-track{display:flex;width:max-content;animation:scroll 38s linear infinite;}
.marquee-track:hover{animation-play-state:paused;}
.marquee-item{padding:0 36px;font-family:'Poppins',sans-serif;font-weight:600;font-size:19px;color:#cfccc6;white-space:nowrap;border-right:1px solid var(--line-dark);display:flex;align-items:center;}
@keyframes scroll{from{transform:translateX(0);}to{transform:translateX(-50%);}}

/* ---------- Gallery ---------- */
.gallery-filters{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:40px;justify-content:center;}
.filter-btn{
  font-family:'Poppins',sans-serif;font-size:13px;font-weight:600;
  padding:9px 18px;border:1.5px solid var(--line);border-radius:24px;
  background:transparent;color:var(--text-dim);cursor:pointer;transition:.15s;
}
.filter-btn:hover{border-color:var(--orange);color:var(--text);}
.filter-btn.active{background:var(--orange);border-color:var(--orange);color:#fff;}
.gallery-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.gallery-card{position:relative;aspect-ratio:4/5;overflow:hidden;border-radius:var(--radius);background:var(--bg-soft);cursor:pointer;}
.gallery-card img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.gallery-card:hover img{transform:scale(1.06);}
.gallery-overlay{position:absolute;left:0;right:0;bottom:0;padding:20px;background:linear-gradient(to top, rgba(0,0,0,.85), transparent);}
.gallery-tag{font-family:'Poppins',sans-serif;font-size:10.5px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--orange);margin-bottom:6px;display:block;}
.gallery-title{font-family:'Poppins',sans-serif;font-weight:700;font-size:18px;line-height:1.15;color:#fff;}
.gallery-sub{font-size:12px;color:#d8d5d0;margin-top:2px;}
.gallery-card.hidden{display:none;}

.placeholder-frame{position:absolute;top:0;left:0;right:0;bottom:0;width:100%;height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;color:#b9b5ae;border:1px dashed var(--line);gap:10px;text-align:center;padding:16px;background:var(--bg-soft);}
.placeholder-frame svg{width:30px;height:30px;opacity:.7;}
.placeholder-frame span{font-family:'Poppins',sans-serif;font-size:10.5px;font-weight:600;letter-spacing:.04em;text-transform:uppercase;}

/* Lightbox */
.lightbox{position:fixed;top:0;left:0;right:0;bottom:0;width:100%;height:100%;background:rgba(20,18,16,.94);z-index:200;display:none;align-items:center;justify-content:center;padding:40px;}
.lightbox.open{display:flex;}
.lightbox-inner{max-width:900px;width:100%;}
.lightbox-inner img{width:100%;border-radius:var(--radius);max-height:70vh;object-fit:cover;}
.lightbox-meta{margin-top:18px;color:#fff;}
.lightbox-meta h3{color:#fff;}
.lightbox-close{position:absolute;top:28px;right:32px;font-size:30px;background:none;border:0;color:#fff;cursor:pointer;}

/* ---------- Cities ---------- */
.cities-section{background:var(--bg-soft);text-align:center;}
.cities-wrap{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;}
.city-chip{font-family:'Poppins',sans-serif;font-weight:500;font-size:14px;color:var(--text);background:#fff;padding:10px 20px;border-radius:24px;box-shadow:0 4px 14px rgba(20,18,16,.06);}

/* ---------- FAQ ---------- */
.faq-grid{display:grid;grid-template-columns:1fr 1.2fr;gap:60px;align-items:center;}
.faq-photo{aspect-ratio:4/5;overflow:hidden;border-radius:var(--radius);background:var(--bg-soft);}
.faq-photo img{width:100%;height:100%;object-fit:cover;}
.faq-item{border-bottom:1px solid var(--line);padding:22px 0;}
.faq-question{display:flex;justify-content:space-between;align-items:center;gap:20px;cursor:pointer;font-family:'Poppins',sans-serif;font-weight:600;font-size:16px;}
.faq-question .faq-toggle{
  width:30px;height:30px;border-radius:50%;border:1px solid var(--line);flex:none;
  display:flex;align-items:center;justify-content:center;font-size:16px;color:var(--text-dim);transition:.2s;
}
.faq-item.open .faq-question{color:var(--orange);}
.faq-item.open .faq-toggle{background:var(--orange);border-color:var(--orange);color:#fff;}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-item.open .faq-answer{max-height:220px;}
.faq-answer p{padding-top:14px;font-size:14.5px;margin:0;}

/* ---------- Contact ---------- */
.contact-section{background:var(--paper);}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:70px;}
.contact-card{background:var(--bg-soft);padding:44px;border-radius:var(--radius);}
.contact-row{display:flex;flex-direction:column;gap:22px;margin-top:26px;}
.contact-item{display:flex;gap:16px;align-items:flex-start;}
.contact-item .icon{flex:none;width:38px;height:38px;border:1.5px solid var(--orange);border-radius:50%;display:flex;align-items:center;justify-content:center;color:var(--orange);}
.contact-item a, .contact-item span{color:var(--text);font-size:15px;}
.contact-item small{display:block;color:var(--text-dim);font-family:'Poppins',sans-serif;font-size:11px;text-transform:uppercase;letter-spacing:.05em;margin-bottom:2px;}
.form-field{margin-bottom:18px;}
.form-field label{display:block;font-family:'Poppins',sans-serif;font-weight:600;font-size:12px;color:var(--text-dim);margin-bottom:8px;}
.form-field input,.form-field textarea{width:100%;background:#fff;border:1px solid var(--line);color:var(--text);padding:13px 14px;font-family:'Inter';font-size:14.5px;border-radius:var(--radius);}
.form-field textarea{resize:vertical;min-height:110px;}
.form-field input:focus,.form-field textarea:focus{outline:none;border-color:var(--orange);}
.map-embed{aspect-ratio:16/9;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);margin-top:30px;position:relative;}
.map-embed .placeholder-frame{position:absolute;}

/* ---------- Footer ---------- */
footer{background:var(--ink);color:#cfccc6;padding-top:80px;}
.footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:40px;padding-bottom:56px;border-bottom:1px solid var(--line-dark);}
.footer-col h4{color:#fff;font-family:'Poppins',sans-serif;font-size:19px;margin-bottom:22px;}
.footer-contact-row{display:flex;flex-direction:column;gap:14px;margin-bottom:22px;}
.footer-contact-row div{display:flex;gap:10px;font-size:14px;}
.footer-contact-row small{color:#8f8b85;min-width:52px;font-family:'Poppins',sans-serif;font-weight:600;}
.footer-social{display:flex;gap:14px;}
.footer-social a{width:34px;height:34px;border-radius:50%;border:1px solid var(--line-dark);display:flex;align-items:center;justify-content:center;color:#cfccc6;}
.footer-social a:hover{border-color:var(--orange);color:var(--orange);}
.footer-social svg{width:16px;height:16px;}
.footer-links a{display:block;color:#cfccc6;font-size:14.5px;margin-bottom:14px;padding-left:16px;position:relative;}
.footer-links a::before{content:"";position:absolute;left:0;top:7px;width:6px;height:6px;background:var(--orange);}
.footer-links a:hover{color:var(--orange);}
.footer-newsletter p{color:#a9a6a1;font-size:13.5px;margin-bottom:18px;}
.newsletter-form{display:flex;background:#fff;border-radius:var(--radius);overflow:hidden;}
.newsletter-form input{flex:1;border:0;padding:13px 14px;font-family:'Inter';font-size:14px;}
.newsletter-form input:focus{outline:none;}
.newsletter-form button{background:var(--orange);border:0;width:48px;color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;}
.newsletter-form button svg{width:18px;height:18px;}
.footer-projects{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;}
.footer-projects .thumb{aspect-ratio:1/1;overflow:hidden;border-radius:3px;background:var(--ink-2);}
.footer-projects .thumb img{width:100%;height:100%;object-fit:cover;}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;padding:22px 0;font-size:13px;color:#8f8b85;flex-wrap:wrap;gap:10px;}
.footer-bottom strong{color:var(--orange);font-weight:600;}
.footer-bottom-links{display:flex;gap:22px;}
.footer-bottom-links a:hover{color:#fff;}

/* ---------- Floating buttons ---------- */
.float-stack{position:fixed;right:26px;bottom:26px;z-index:90;display:flex;flex-direction:column;gap:14px;align-items:center;}
.float-btn{width:52px;height:52px;border-radius:50%;display:flex;align-items:center;justify-content:center;box-shadow:0 6px 20px rgba(0,0,0,.35);}
.float-btn.scroll-top{background:var(--orange);color:#fff;cursor:pointer;opacity:0;pointer-events:none;transform:translateY(10px);transition:.25s;}
.float-btn.scroll-top.visible{opacity:1;pointer-events:auto;transform:none;}
.float-btn.wa{background:#25D366;}
.float-btn svg{width:24px;height:24px;fill:#fff;}

/* ---------- Reveal ---------- */
[data-reveal]{opacity:0;transform:translateY(22px);transition:opacity .6s ease, transform .6s ease;}
[data-reveal].in{opacity:1;transform:none;}

/* ---------- Responsive ---------- */
@media (max-width:1100px){
  .stats-row{grid-template-columns:1fr 1fr;row-gap:30px;}
}
@media (max-width:960px){
  .nav-links{
    position:fixed;top:0;right:0;height:100vh;width:78%;max-width:340px;background:var(--ink);
    flex-direction:column;justify-content:center;align-items:flex-start;padding:40px;gap:26px;
    transform:translateX(100%);transition:transform .3s ease;z-index:150;
  }
  .nav-links.open{transform:translateX(0);}
  .menu-toggle{display:block;}
  .header-phone{display:none;}
  .hero{min-height:80vh;}
  .hero-content{padding:110px 0 60px;}
  .trust-head{grid-template-columns:1fr;gap:24px;}
  .trust-cards{margin-top:32px;}
  .services-intro{padding-top:60px;}
  .strip-photos,.spotlight-grid,.services-grid,.trust-cards .container{grid-template-columns:1fr 1fr;}
  .featured-grid{grid-template-columns:1fr;}
  .featured-secondary{display:none;}
  .about-grid,.contact-grid,.faq-grid{grid-template-columns:1fr;}
  .faq-photo{aspect-ratio:16/9;}
  .gallery-grid{grid-template-columns:1fr 1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;row-gap:44px;}
}
@media (max-width:600px){
  .container{padding:0 20px;}
  section{padding:64px 0;}
  .stats-row{grid-template-columns:1fr;}
  .strip-photos,.spotlight-grid,.services-grid,.trust-cards .container{grid-template-columns:1fr;}
  .gallery-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .contact-card{padding:26px;}
  .featured-badge{position:static;max-width:none;}
  .featured-photo-wrap{aspect-ratio:16/10;}
  .filter-btn{padding:8px 14px;font-size:11.5px;}
  .hero{min-height:72vh;}
  .hero-content{padding:100px 0 50px;}
}
@media (prefers-reduced-motion: reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;}
}