/* ==========================================================================
   GRUPO JASSA — Hoja de estilos principal
   Grupo Integral de Soluciones para la Construcción
   ========================================================================== */

:root{
  /* Paleta — Identidad corporativa Grupo Jassa */
  --black:#00142f;
  --dark:#001f4e;
  --dark-2:#0b3b6f;
  --gray-800:#333b44;
  --gray-500:#6c757d;
  --gray-300:#c9cfd4;
  --gray-100:#f3f5f6;
  --white:#ffffff;
  --steel:#3cadd4;
  --steel-dark:var(--dark-2);
  --steel-light:#bcebcb;
  --safety:#00b22f;
  --safety-dark:#00962b;
  --safety-yellow:#3cadd4;

  /* Tipografía */
  --font-head:'Barlow Condensed', sans-serif;
  --font-body:'Inter', sans-serif;

  /* Espaciado */
  --container:1240px;
  --section-pad:clamp(64px,9vw,120px);
  --radius:6px;

  /* Sombras */
  --shadow-sm:0 2px 10px rgba(0,0,0,.06);
  --shadow-md:0 10px 30px rgba(0,0,0,.12);
  --shadow-lg:0 24px 60px rgba(0,0,0,.22);

  --ease:cubic-bezier(.22,.61,.36,1);
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{
  font-family:var(--font-body);
  color:var(--dark);
  background:var(--white);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul{list-style:none;}
button{font:inherit;cursor:pointer;border:none;background:none;color:inherit;}
input,textarea,select{font:inherit;}
h1,h2,h3,h4{font-family:var(--font-head);font-weight:700;line-height:1.05;letter-spacing:.2px;}

.skip-link{
  position:fixed;top:12px;left:12px;z-index:2000;
  padding:12px 18px;background:var(--safety);color:var(--white);
  font-weight:700;border-radius:3px;transform:translateY(-160%);
  transition:transform .2s var(--ease);
}
.skip-link:focus{transform:translateY(0);outline:3px solid var(--safety-yellow);outline-offset:3px;}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
}

section{position:relative;}

.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-family:var(--font-head);
  font-weight:700;
  font-size:14px;
  letter-spacing:3px;
  text-transform:uppercase;
  color:var(--safety);
  margin-bottom:14px;
}
.eyebrow::before{
  content:'';
  width:34px;height:2px;background:var(--safety);display:inline-block;
}

.section-head{
  max-width:720px;
  margin-bottom:56px;
}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.section-head h2{
  font-size:clamp(32px,4.2vw,52px);
  color:var(--black);
  text-transform:uppercase;
}
.section-head p{
  margin-top:16px;
  font-size:17px;
  color:var(--gray-500);
  max-width:600px;
}
.section-head.center p{margin-left:auto;margin-right:auto;}
.section-head.light h2{color:var(--white);}
.section-head.light p{color:var(--gray-300);}

.section-pad{padding:var(--section-pad) 0;}
.bg-dark{background:var(--dark);color:var(--white);}
.bg-light{background:var(--gray-100);}
.sr-only{
  position:absolute!important;
  width:1px!important;height:1px!important;
  padding:0!important;margin:-1px!important;
  overflow:hidden!important;clip:rect(0,0,0,0)!important;
  white-space:nowrap!important;border:0!important;
}

/* ---------- placeholder de imagen (para fotos/videos aún no entregados) ---------- */
.ph{
  position:relative;
  display:flex;
  align-items:center;
  justify-content:center;
  text-align:center;
  background:
    linear-gradient(135deg, rgba(255,255,255,.05) 25%, transparent 25%) -10px 0/20px 20px,
    linear-gradient(225deg, rgba(255,255,255,.05) 25%, transparent 25%) -10px 0/20px 20px,
    linear-gradient(45deg,var(--steel-dark),var(--dark-2));
  color:var(--gray-300);
  font-family:var(--font-head);
  font-size:14px;
  letter-spacing:1px;
  text-transform:uppercase;
  overflow:hidden;
}
.ph span{
  padding:10px 16px;
  border:1px dashed rgba(255,255,255,.35);
  border-radius:4px;
  background:rgba(0,0,0,.25);
}

/* ---------- Botones ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:16px 30px;
  font-family:var(--font-head);
  font-weight:700;
  font-size:16px;
  letter-spacing:1px;
  text-transform:uppercase;
  border-radius:2px;
  transition:transform .35s var(--ease), box-shadow .35s var(--ease), background .3s, color .3s, border-color .3s;
  white-space:nowrap;
}
.btn-primary{
  background:var(--safety);
  color:var(--white);
}
.btn-primary:hover{background:var(--safety-dark); transform:translateY(-3px); box-shadow:var(--shadow-md);}
.btn-outline{
  background:transparent;
  border:2px solid rgba(255,255,255,.7);
  color:var(--white);
}
.btn-outline:hover{background:var(--white); color:var(--black); transform:translateY(-3px);}
.btn-dark{
  background:var(--black);
  color:var(--white);
}
.btn-dark:hover{background:var(--steel-dark); transform:translateY(-3px); box-shadow:var(--shadow-md);}
.btn-sm{padding:11px 20px;font-size:13px;}
.btn svg{width:18px;height:18px;flex-shrink:0;}

/* ============================== HEADER ============================== */
.site-header{
  position:fixed; top:0; left:0; right:0; z-index:1000;
  padding:8px 0;
  transition:all .4s var(--ease);
  background:transparent;
}
.site-header.scrolled{
  padding:9px 0;
  background:rgba(0,20,47,.92);
  backdrop-filter:blur(10px);
  box-shadow:0 4px 24px rgba(0,0,0,.25);
}
.site-header .container{display:flex;align-items:center;justify-content:space-between;gap:20px;}
.brand{
  display:flex;align-items:center;flex:0 0 auto;
}
.brand img{
  width:210px;height:auto;
  filter:drop-shadow(0 3px 8px rgba(0,0,0,.45));
  transition:width .3s var(--ease);
}
.site-header.scrolled .brand img{width:175px;}

.nav-desktop{display:flex;align-items:center;justify-content:flex-end;gap:clamp(14px,1.55vw,26px);margin-left:auto;}
.nav-desktop a{
  font-family:var(--font-head);
  font-weight:600;
  font-size:14px;
  letter-spacing:.5px;
  text-transform:uppercase;
  color:var(--white);
  position:relative;
  padding:6px 0;
}
.nav-desktop a::after{
  content:'';
  position:absolute;left:0;bottom:0;
  width:0;height:2px;background:var(--safety);
  transition:width .3s var(--ease);
}
.nav-desktop a:hover::after,
.nav-desktop a.active::after{width:100%;}

.header-actions{display:flex;align-items:center;gap:18px;}
.hamburger{
  display:none;
  flex-direction:column;
  gap:5px;
  width:32px;
  z-index:1100;
}
.hamburger span{height:2px;width:100%;background:var(--white);transition:all .3s var(--ease);}
.hamburger.open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.hamburger.open span:nth-child(2){opacity:0;}
.hamburger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

.mobile-nav{
  position:fixed; inset:0; z-index:1050;
  background:var(--black);
  display:flex; flex-direction:column; align-items:center; justify-content:center; gap:26px;
  transform:translateY(-100%);
  transition:transform .5s var(--ease);
}
.mobile-nav.open{transform:translateY(0);}
.mobile-nav a{
  font-family:var(--font-head);
  font-size:28px; font-weight:700; text-transform:uppercase; color:var(--white);
  letter-spacing:1px;
}
.mobile-nav a:hover{color:var(--safety);}

@media(max-width:1180px){
  .nav-desktop{display:none;}
  .hamburger{display:flex;}
}

@media(max-width:720px){
  .site-header{padding:6px 0;}
  .site-header .container{padding:0 16px;}
  .brand img{width:165px;}
  .site-header.scrolled .brand img{width:145px;}
  .header-actions .btn-primary{display:none;}
  .mobile-nav{padding:110px 24px 40px;gap:18px;overflow-y:auto;}
  .mobile-nav a{font-size:24px;}
}

/* ============================== HERO ============================== */
.hero{
  position:relative;
  min-height:max(720px,100svh);
  display:flex;
  align-items:center;
  color:var(--white);
  overflow:hidden;
}
.hero-media{position:absolute;inset:0;z-index:0;}
.hero-media img,
.hero-media video{
  width:100%;height:100%;object-fit:cover;
  transform-origin:center center;
}
.hero-media img{
  animation:hero-pan-zoom 18s ease-in-out infinite alternate;
}
@keyframes hero-pan-zoom{
  0%{transform:scale(1.02) translate3d(0,0,0);}
  45%{transform:scale(1.09) translate3d(-1.5%,-1%,0);}
  100%{transform:scale(1.16) translate3d(1.5%,-2%,0);}
}
@media(prefers-reduced-motion:reduce){
  .hero-media img{animation:none;transform:scale(1.04);}
}
.hero-overlay{
  position:absolute;inset:0;z-index:1;
  background:
    linear-gradient(0deg, rgba(0,15,35,.92) 0%, rgba(0,15,35,.55) 45%, rgba(0,15,35,.35) 100%);
}
.hero-content{position:relative;z-index:2;padding:150px 24px 70px;width:100%;}
.hero-tag{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--font-head);font-weight:700;font-size:14px;
  letter-spacing:3px;text-transform:uppercase;color:var(--white);
  margin-bottom:20px;
}
.hero-tag::before{content:'';width:10px;height:10px;background:var(--safety);display:inline-block;}
.hero h1{
  font-size:clamp(40px,7.2vw,92px);
  text-transform:uppercase;
  max-width:16ch;
  margin-bottom:22px;
}
.hero h1 em{color:var(--safety);font-style:normal;}
.hero p{
  font-size:clamp(16px,1.6vw,20px);
  max-width:640px;
  color:var(--gray-300);
  margin-bottom:38px;
  font-weight:400;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:18px;}

.hero-stats{
  position:relative;z-index:2;
  border-top:1px solid rgba(255,255,255,.15);
  margin-top:56px;
  padding-top:32px;
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
}
.hero-stats .stat{text-align:center;}
.hero-stats .stat b{
  font-family:var(--font-head);font-size:clamp(30px,3.4vw,44px);color:var(--white);display:block;
}
.hero-stats .stat > span{font-size:13px;color:var(--gray-300);text-transform:uppercase;letter-spacing:1px;}

@media(max-width:780px){
  .hero-stats{grid-template-columns:repeat(2,1fr);}
  .hero{min-height:max(760px,100svh);}
  .hero-content{padding:135px 24px 70px;}
  .hero-tag{font-size:12px;letter-spacing:2px;}
  .hero h1{font-size:clamp(38px,11vw,62px);}
  .hero-stats{margin-top:42px;padding-top:24px;}
}

@media(max-width:480px){
  .hero-content{padding:125px 16px 60px;}
  .hero p{margin-bottom:28px;}
  .hero-actions{gap:12px;}
  .hero-actions .btn{width:100%;justify-content:center;}
  .hero-stats{gap:14px;}
}

/* ============================== MARQUEE / TICKER ============================== */
.marquee{
  background:var(--black);color:var(--white);
  padding:16px 0;overflow:hidden;white-space:nowrap;border-top:1px solid rgba(255,255,255,.08);
}
.marquee-track{
  display:inline-flex;gap:60px;
  animation:marquee 28s linear infinite;
  font-family:var(--font-head);font-weight:600;letter-spacing:2px;text-transform:uppercase;font-size:15px;color:var(--gray-300);
}
.marquee-track span{color:var(--safety);}
@keyframes marquee{from{transform:translateX(0);}to{transform:translateX(-50%);}}

/* ============================== NOSOTROS ============================== */
.about{display:grid;grid-template-columns:1.05fr .95fr;gap:70px;align-items:center;}
.about-media{position:relative;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-lg);}
.about-media img{aspect-ratio:4/5;object-fit:cover;transition:transform .8s var(--ease);}
.about-media:hover img{transform:scale(1.05);}
.about-badge{
  position:absolute;left:-1px;bottom:-1px;
  background:var(--safety);color:var(--white);
  padding:22px 26px;
  font-family:var(--font-head);
}
.about-badge b{font-size:40px;display:block;line-height:1;}
.about-badge span{font-size:12px;letter-spacing:1px;text-transform:uppercase;}

.about-body p{color:var(--gray-500);margin-bottom:18px;font-size:16.5px;}
.about-body p strong{color:var(--dark);}
.about-list{margin-top:26px;display:grid;grid-template-columns:1fr 1fr;gap:14px 20px;}
.about-list li{
  display:flex;align-items:center;gap:10px;font-family:var(--font-head);font-weight:600;font-size:15px;color:var(--dark);
}
.about-list svg{width:20px;height:20px;color:var(--safety);flex-shrink:0;}

@media(max-width:900px){
  .about{grid-template-columns:1fr;gap:40px;}
  .about-list{grid-template-columns:1fr;}
}

/* ============================== CLIENTES ============================== */
.clients-section{
  background:
    radial-gradient(circle at 12% 20%,rgba(60,173,212,.32),transparent 30%),
    linear-gradient(135deg,var(--black),var(--dark-2));
  color:var(--white);
  overflow:hidden;
}
.clients-heading{
  display:flex;align-items:flex-end;justify-content:space-between;gap:40px;
}
.clients-heading .section-head{margin-bottom:0;}
.client-controls{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.client-control{
  width:46px;height:46px;border:1px solid rgba(255,255,255,.26);border-radius:50%;
  display:flex;align-items:center;justify-content:center;color:var(--white);
  transition:background .25s var(--ease),border-color .25s var(--ease),transform .25s var(--ease);
}
.client-control:hover{background:var(--safety);border-color:var(--safety);transform:translateY(-2px);}
.client-control:focus-visible{outline:3px solid var(--safety-yellow);outline-offset:3px;}
.client-control svg{width:18px;height:18px;}
.client-toggle{width:38px;height:38px;}
.client-toggle svg{width:15px;height:15px;}
.client-carousel{position:relative;margin-top:42px;}
.client-viewport{
  overflow-x:auto;overscroll-behavior-inline:contain;scroll-snap-type:x mandatory;
  scrollbar-width:none;padding:4px 2px 12px;
}
.client-viewport::-webkit-scrollbar{display:none;}
.client-viewport:focus-visible{outline:3px solid var(--safety-yellow);outline-offset:5px;border-radius:var(--radius);}
.client-track{display:flex;gap:18px;}
.client-logo{
  flex:0 0 calc((100% - 72px)/5);height:170px;scroll-snap-align:start;
  display:flex;align-items:center;justify-content:center;
  background:var(--white);border:1px solid rgba(255,255,255,.12);border-radius:var(--radius);
  box-shadow:0 14px 34px rgba(0,0,0,.18);
  overflow:hidden;transition:transform .35s var(--ease),box-shadow .35s var(--ease);
}
.client-logo img{
  width:100%;height:100%;object-fit:contain;padding:18px;
  filter:grayscale(0);opacity:1;
  transition:filter .35s var(--ease),opacity .35s var(--ease),transform .35s var(--ease);
}
.client-logo:hover{transform:translateY(-4px);box-shadow:0 18px 42px rgba(0,0,0,.28);}
.client-logo:hover img{filter:grayscale(0);opacity:1;transform:scale(1.04);}

@media(hover:hover){
  .client-logo img{filter:grayscale(1);opacity:.7;}
}

@media(max-width:1020px){
  .client-logo{flex-basis:calc((100% - 54px)/4);}
}
@media(max-width:780px){
  .clients-heading{align-items:flex-start;flex-direction:column;gap:26px;}
  .client-logo{flex-basis:calc((100% - 36px)/3);height:150px;}
}
@media(max-width:580px){
  .client-carousel{margin-top:30px;}
  .client-logo{flex-basis:78%;height:156px;}
  .client-logo img{padding:16px;}
}

/* ============================== SERVICIOS ============================== */
.service-groups{display:flex;flex-direction:column;gap:80px;}
.service-group-head{
  display:flex;align-items:baseline;justify-content:space-between;gap:20px;
  border-bottom:2px solid var(--dark);
  padding-bottom:16px;margin-bottom:32px;
}
.service-group-head h3{font-size:clamp(24px,2.6vw,34px);text-transform:uppercase;}
.service-group-head span{font-family:var(--font-head);color:var(--gray-500);font-size:14px;}

.service-grid{display:grid;grid-template-columns:1.1fr repeat(2,1fr);gap:2px;background:var(--gray-300);}
.service-card{
  background:var(--white);
  position:relative;
  min-height:260px;
  padding:30px;
  display:flex;flex-direction:column;justify-content:flex-end;
  overflow:hidden;
  transition:background .4s var(--ease);
}
.service-card.has-img{color:var(--white);padding:34px;}
.service-card.has-img .card-media{position:absolute;inset:0;z-index:0;}
.service-card.has-img .card-media img{width:100%;height:100%;object-fit:cover;transition:transform .7s var(--ease);}
.service-card.has-img:hover .card-media img{transform:scale(1.08);}
.service-card.has-img::before{
  content:'';position:absolute;inset:0;z-index:1;
  background:linear-gradient(0deg,rgba(0,15,35,.92) 10%,rgba(0,15,35,.25) 70%);
}
.service-card > *{position:relative;z-index:2;}
.service-card .icon{
  width:44px;height:44px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:var(--safety);color:var(--white);
  margin-bottom:18px;flex-shrink:0;
}
.service-card .icon svg{width:22px;height:22px;}
.service-card h4{font-size:24px;text-transform:uppercase;margin-bottom:10px;}
.service-card ul{margin-bottom:16px;}
.service-card ul li{
  font-size:14.5px;padding:3px 0;position:relative;padding-left:16px;opacity:.9;
}
.service-card ul li::before{content:'—';position:absolute;left:0;color:var(--safety);}
.service-card:not(.has-img){background:var(--gray-100);}
.service-card:not(.has-img) h4{color:var(--dark);}
.service-card:not(.has-img) ul li{color:var(--gray-500);}
.service-card .more{
  font-family:var(--font-head);font-weight:700;font-size:13px;letter-spacing:1.5px;text-transform:uppercase;
  display:inline-flex;align-items:center;gap:8px;margin-top:auto;
}
.service-card .more svg{width:16px;height:16px;transition:transform .3s var(--ease);}
.service-card:hover .more svg{transform:translateX(6px);}

@media(max-width:900px){
  .service-grid{grid-template-columns:1fr;}
}

/* ============================== SECTORES ============================== */
.sector-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:2px;background:var(--gray-300);
}
.sector-card{
  aspect-ratio:1/1;position:relative;overflow:hidden;
  display:flex;align-items:flex-end;padding:22px;
}
.sector-card .card-media{position:absolute;inset:0;}
.sector-card .card-media img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease);}
.sector-card::before{content:'';position:absolute;inset:0;background:linear-gradient(0deg,rgba(0,15,35,.85),rgba(0,15,35,.15) 60%);z-index:1;}
.sector-card:hover .card-media img{transform:scale(1.1);}
.sector-card span{
  position:relative;z-index:2;color:var(--white);font-family:var(--font-head);
  font-weight:700;font-size:17px;text-transform:uppercase;letter-spacing:.5px;
}
@media(max-width:900px){.sector-grid{grid-template-columns:repeat(2,1fr);}}

/* ============================== PORTAFOLIO ============================== */
.filter-bar{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:40px;}
.filter-btn{
  padding:10px 20px;border:1px solid var(--gray-300);border-radius:30px;
  font-family:var(--font-head);font-weight:600;font-size:13.5px;text-transform:uppercase;letter-spacing:.5px;
  transition:all .3s var(--ease);
}
.filter-btn.active,.filter-btn:hover{background:var(--black);color:var(--white);border-color:var(--black);}

.portfolio-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:24px;
}
.portfolio-item{
  position:relative;border-radius:var(--radius);overflow:hidden;cursor:pointer;
  box-shadow:var(--shadow-sm);
  transition:opacity .4s var(--ease), transform .4s var(--ease);
}
.portfolio-item.hide{display:none;}
.portfolio-item .pf-media{aspect-ratio:4/3;overflow:hidden;}
.portfolio-item .pf-media img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease);}
.portfolio-item:hover .pf-media img{transform:scale(1.08);}
.portfolio-item .pf-info{
  position:absolute;left:0;right:0;bottom:0;padding:20px;
  background:linear-gradient(0deg,rgba(0,15,35,.92),transparent);
  color:var(--white);
  transform:translateY(6px);opacity:0;transition:all .35s var(--ease);
}
.portfolio-item:hover .pf-info{transform:translateY(0);opacity:1;}
.portfolio-item .pf-tag{
  font-family:var(--font-head);font-size:11px;letter-spacing:1.5px;text-transform:uppercase;color:var(--safety-yellow);
}
.portfolio-item .pf-title{font-family:var(--font-head);font-weight:700;font-size:19px;}

@media(max-width:900px){.portfolio-grid{grid-template-columns:repeat(2,1fr);}}
@media(max-width:560px){.portfolio-grid{grid-template-columns:1fr;}}

/* ============================== GALERÍA MULTIMEDIA ============================== */
.media-grid{
  display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:190px;gap:10px;
}
.media-item{position:relative;overflow:hidden;border-radius:4px;}
.media-item.tall{grid-row:span 2;}
.media-item.wide{grid-column:span 2;}
.media-item img,.media-item video{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease);}
.media-item:hover img,.media-item:hover video{transform:scale(1.08);}
.media-item.video-tile::after{
  content:'';position:absolute;inset:0;
  background:radial-gradient(circle at center, transparent 0%, rgba(0,0,0,.15) 100%);
}
.play-badge{
  position:absolute;top:14px;left:14px;z-index:3;
  display:flex;align-items:center;gap:8px;
  background:rgba(0,15,35,.6);backdrop-filter:blur(4px);
  color:var(--white);padding:7px 12px;border-radius:30px;
  font-family:var(--font-head);font-size:11px;letter-spacing:1px;text-transform:uppercase;
}
.play-badge svg{width:12px;height:12px;}

@media(max-width:900px){
  .media-grid{grid-template-columns:repeat(2,1fr);grid-auto-rows:160px;}
  .media-item.wide{grid-column:span 2;}
}

/* ============================== POR QUÉ ELEGIRNOS ============================== */
.why-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:rgba(255,255,255,.12);}
.why-item{
  background:var(--dark);padding:40px 30px;
  transition:background .35s var(--ease);
}
.why-item:hover{background:var(--dark-2);}
.why-item .icon{
  width:52px;height:52px;border:2px solid var(--safety);border-radius:50%;
  display:flex;align-items:center;justify-content:center;margin-bottom:22px;color:var(--safety);
}
.why-item .icon svg{width:24px;height:24px;}
.why-item h4{color:var(--white);font-size:20px;text-transform:uppercase;margin-bottom:10px;}
.why-item p{color:var(--gray-300);font-size:14.5px;}
@media(max-width:900px){.why-grid{grid-template-columns:repeat(2,1fr);}}
@media(max-width:560px){.why-grid{grid-template-columns:1fr;}}

/* ============================== PROCESO ============================== */
.timeline{position:relative;display:flex;overflow-x:auto;gap:0;padding-bottom:10px;scrollbar-width:thin;}
.timeline::-webkit-scrollbar{height:6px;}
.timeline::-webkit-scrollbar-thumb{background:var(--gray-300);border-radius:10px;}
.tl-step{
  flex:1 0 220px;position:relative;padding:0 26px 0 0;
}
.tl-step .num{
  font-family:var(--font-head);font-weight:800;font-size:46px;color:var(--gray-300);line-height:1;
}
.tl-step .bar{height:3px;background:var(--gray-300);margin:18px 0;position:relative;}
.tl-step .bar::after{
  content:'';position:absolute;left:0;top:-4px;width:11px;height:11px;border-radius:50%;background:var(--safety);
}
.tl-step:hover .num{color:var(--safety);}
.tl-step h4{font-size:18px;text-transform:uppercase;margin-bottom:8px;}
.tl-step p{color:var(--gray-500);font-size:14px;}

/* ============================== BLOG ============================== */
.blog-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:30px;}
.blog-card{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);transition:transform .4s var(--ease), box-shadow .4s var(--ease);}
.blog-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);}
.blog-media{aspect-ratio:16/10;overflow:hidden;}
.blog-media img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease);}
.blog-card:hover .blog-media img{transform:scale(1.06);}
.blog-body{padding:24px;background:var(--white);}
.blog-tag{
  display:inline-block;background:var(--gray-100);color:var(--steel-dark);
  font-family:var(--font-head);font-size:11px;font-weight:700;letter-spacing:1px;text-transform:uppercase;
  padding:5px 12px;border-radius:20px;margin-bottom:14px;
}
.blog-body h4{font-size:20px;margin-bottom:10px;line-height:1.25;}
.blog-body p{color:var(--gray-500);font-size:14.5px;margin-bottom:16px;}
.blog-meta{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--gray-500);font-family:var(--font-head);text-transform:uppercase;letter-spacing:.5px;}
@media(max-width:900px){.blog-grid{grid-template-columns:1fr;}}

/* ============================== CONTACTO ============================== */
.contact-wrap{display:grid;grid-template-columns:1fr 1fr;gap:60px;}
.contact-info h3{font-size:26px;text-transform:uppercase;margin-bottom:18px;}
.contact-info p{color:var(--gray-500);margin-bottom:30px;}
.contact-item{display:flex;gap:16px;padding:20px 0;border-top:1px solid var(--gray-300);}
.contact-item:last-of-type{border-bottom:1px solid var(--gray-300);}
.contact-item .icon{
  width:44px;height:44px;border-radius:50%;background:var(--dark);color:var(--white);
  display:flex;align-items:center;justify-content:center;flex-shrink:0;
}
.contact-item .icon svg{width:20px;height:20px;}
.contact-item h5{font-family:var(--font-head);text-transform:uppercase;font-size:14px;letter-spacing:.5px;margin-bottom:4px;}
.contact-item p{margin:0;color:var(--gray-500);font-size:15px;}
.map-embed{margin-top:26px;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);height:260px;}
.map-embed iframe{width:100%;height:100%;border:0;filter:grayscale(.3) contrast(1.05);}

.contact-form{background:var(--gray-100);padding:40px;border-radius:var(--radius);}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-bottom:18px;}
.field{display:flex;flex-direction:column;gap:8px;}
.field label{font-family:var(--font-head);font-size:13px;text-transform:uppercase;letter-spacing:.5px;color:var(--gray-800);}
.field input,.field select,.field textarea{
  padding:14px 16px;border:1px solid var(--gray-300);border-radius:4px;background:var(--white);
  transition:border-color .3s, box-shadow .3s;
}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--safety);box-shadow:0 0 0 3px rgba(0,178,47,.15);
}
.field.full{grid-column:1/-1;}
.form-note{font-size:12.5px;color:var(--gray-500);margin-top:14px;}
@media(max-width:900px){
  .contact-wrap{grid-template-columns:1fr;}
  .form-row{grid-template-columns:1fr;}
}

/* ============================== CTA BANNER ============================== */
.cta-banner{
  position:relative;padding:90px 0;text-align:center;color:var(--white);overflow:hidden;
  background:linear-gradient(120deg,var(--steel-dark),var(--black));
}
.cta-banner h2{font-size:clamp(30px,4.4vw,50px);text-transform:uppercase;margin-bottom:18px;}
.cta-banner p{color:var(--gray-300);max-width:560px;margin:0 auto 34px;font-size:17px;}
.cta-actions{display:flex;gap:18px;justify-content:center;flex-wrap:wrap;}

/* ============================== FOOTER ============================== */
.site-footer{background:var(--black);color:var(--gray-300);padding-top:80px;}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr 1.1fr;gap:40px;padding-bottom:60px;
  border-bottom:1px solid rgba(255,255,255,.1);
}
.footer-brand img{height:44px;margin-bottom:18px;}
.footer-brand p{font-size:14.5px;line-height:1.7;color:var(--gray-500);margin-bottom:20px;max-width:280px;}
.footer-col h5{
  font-family:var(--font-head);color:var(--white);text-transform:uppercase;letter-spacing:1px;font-size:14.5px;margin-bottom:20px;
}
.footer-col li{margin-bottom:11px;font-size:14.5px;}
.footer-col a{color:var(--gray-500);transition:color .3s;}
.footer-col a:hover{color:var(--safety);}
.footer-bottom{
  display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:14px;
  padding:26px 0;font-size:13px;color:var(--gray-500);
}
.footer-bottom .legal{display:flex;gap:22px;flex-wrap:wrap;}
.footer-bottom .legal a:hover{color:var(--white);}

@media(max-width:980px){
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media(max-width:560px){
  .footer-grid{grid-template-columns:1fr;}
}

/* ============================== FLOTANTES ============================== */
.whatsapp-float{
  position:fixed;right:26px;bottom:26px;z-index:900;
  width:60px;height:60px;border-radius:50%;
  background:#25D366;color:var(--white);
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 10px 30px rgba(37,211,102,.5);
  animation:pulse 2.6s infinite;
}
.whatsapp-float svg{width:30px;height:30px;}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(37,211,102,.55);}
  70%{box-shadow:0 0 0 16px rgba(37,211,102,0);}
  100%{box-shadow:0 0 0 0 rgba(37,211,102,0);}
}
.back-top{
  position:fixed;right:26px;bottom:98px;z-index:899;
  width:44px;height:44px;border-radius:50%;background:var(--dark);color:var(--white);
  display:flex;align-items:center;justify-content:center;
  opacity:0;pointer-events:none;transform:translateY(10px);
  transition:all .35s var(--ease);
}
.back-top.show{opacity:1;pointer-events:auto;transform:translateY(0);}
.back-top svg{width:18px;height:18px;}

@media(max-width:640px){
  .whatsapp-float{width:52px;height:52px;right:16px;bottom:16px;}
  .whatsapp-float svg{width:26px;height:26px;}
  .back-top{right:16px;bottom:80px;width:38px;height:38px;}
}

/* ============================== REVEAL / SCROLL ANIM ============================== */
.reveal{opacity:0;transform:translateY(34px);transition:opacity .8s var(--ease), transform .8s var(--ease);}
.reveal.in{opacity:1;transform:translateY(0);}
.reveal-stagger.in > *{transition-delay:calc(var(--i,0) * 90ms);}

/* generic grid gap fix on small screens */
@media(max-width:640px){
  .section-pad{padding:56px 0;}
  .contact-form{padding:26px;}
}

@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  .marquee-track,.whatsapp-float{animation:none;}
  .client-control,.client-logo,.client-logo img{transition:none;}
}

/* ============================== LIGHTBOX (portafolio) ============================== */
.portfolio-item .pf-media{cursor:zoom-in;}

.lightbox{
  position:fixed;inset:0;z-index:1200;
  display:flex;align-items:center;justify-content:center;
  padding:24px;
  background:#04060c;
  opacity:0;visibility:hidden;
  transition:opacity .25s var(--ease), visibility .25s var(--ease);
  -webkit-tap-highlight-color:transparent;
}
.lightbox.open{opacity:1;visibility:visible;}

.lb-stage{
  position:relative;
  max-width:min(1200px,94vw);max-height:88vh;
  display:flex;flex-direction:column;align-items:center;gap:14px;
  touch-action:pan-y;
}
.lb-img{
  max-width:94vw;max-height:78vh;width:auto;height:auto;
  object-fit:contain;border-radius:var(--radius);
  box-shadow:0 30px 80px rgba(0,0,0,.5);
  background:var(--dark);
  opacity:0;transform:scale(.985);
  transition:opacity .28s var(--ease), transform .28s var(--ease);
}
.lb-img.ready{opacity:1;transform:none;}

.lb-caption{
  color:var(--white);text-align:center;max-width:94vw;
  display:flex;flex-direction:column;gap:2px;
}
.lb-caption .lb-tag{
  font-family:var(--font-head);font-size:11px;letter-spacing:1.5px;
  text-transform:uppercase;color:var(--safety-yellow);
}
.lb-caption .lb-title{font-family:var(--font-head);font-weight:700;font-size:18px;}

.lb-btn{
  position:absolute;z-index:2;
  display:flex;align-items:center;justify-content:center;
  width:46px;height:46px;border:0;border-radius:50%;
  background:rgba(0,0,0,.42);color:var(--white);cursor:pointer;
  transition:background .2s var(--ease), transform .2s var(--ease);
}
.lb-btn:hover{background:rgba(0,0,0,.7);}
.lb-btn:focus-visible{outline:2px solid var(--safety-yellow);outline-offset:3px;}
.lb-btn svg{width:24px;height:24px;pointer-events:none;}
.lb-btn:active{transform:scale(.92);}

.lb-close{top:14px;right:14px;}
.lb-prev{left:12px;top:50%;transform:translateY(-50%);}
.lb-next{right:12px;top:50%;transform:translateY(-50%);}
.lb-prev:active,.lb-next:active{transform:translateY(-50%) scale(.92);}

.lb-counter{
  position:absolute;top:20px;left:18px;z-index:2;
  color:var(--gray-300);font-family:var(--font-head);
  font-size:14px;letter-spacing:1px;
}

@media(max-width:640px){
  .lightbox{padding:12px;}
  .lb-img{max-height:72vh;}
  .lb-prev{left:6px;}
  .lb-next{right:6px;}
  .lb-btn{width:44px;height:44px;background:rgba(0,0,0,.55);}
  .lb-counter{top:16px;left:14px;font-size:13px;}
}

@media(prefers-reduced-motion:reduce){
  .lightbox,.lb-img{transition:none;}
  .lb-img{opacity:1;transform:none;}
}