:root{
  --negro:#121212;
  --negro-2:#1A1A1A;
  --negro-3:#232323;
  --blanco:#F8F8F8;
  --gris-claro:#D9D9D9;
  --gris-hormigon:#6F6F6F;
  --verde:#00B894;
  --verde-dark:#00967A;
  --linea:#E4E4E4;
  --font-display:'Space Grotesk',sans-serif;
  --font-body:'Inter',sans-serif;
  --font-mono:'JetBrains Mono',monospace;
}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{font-family:var(--font-body);color:var(--negro);background:var(--blanco);line-height:1.6;overflow-x:hidden;}
@media (prefers-reduced-motion: reduce){*{animation-duration:.01ms !important;animation-iteration-count:1 !important;transition-duration:.01ms !important;scroll-behavior:auto !important;}}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;cursor:pointer;}
h1,h2,h3,h4{font-family:var(--font-display);font-weight:600;letter-spacing:-0.01em;}
.mono{font-family:var(--font-mono);}
.wrap{max-width:1220px;margin:0 auto;padding:0 32px;}
:focus-visible{outline:2px solid var(--verde);outline-offset:3px;}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;}

.eyebrow{display:inline-flex;align-items:center;gap:10px;font-family:var(--font-mono);font-size:12.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--verde);margin-bottom:16px;}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--verde);}
.eyebrow.on-dark{color:var(--verde);}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 26px;border-radius:2px;font-weight:600;font-size:14.5px;border:1px solid transparent;transition:all .18s ease;white-space:nowrap;}
.btn-primary{background:var(--verde);color:#fff;}
.btn-primary:hover{background:var(--verde-dark);transform:translateY(-1px);}
.btn-ghost-dark{border-color:rgba(255,255,255,.75);background:rgba(255,255,255,.08);color:#fff;font-weight:700;}
.btn-ghost-dark:hover{border-color:var(--verde);background:rgba(255,255,255,.16);color:var(--verde);}
.btn-ghost-light{border-color:var(--negro);color:var(--negro);}
.btn-ghost-light:hover{background:var(--negro);color:#fff;}
.btn-text{color:var(--negro);font-weight:600;font-size:14.5px;display:inline-flex;align-items:center;gap:6px;border-bottom:1px solid var(--negro);padding-bottom:2px;}
.btn-text:hover{color:var(--verde);border-color:var(--verde);}
.btn-sm{padding:9px 16px;font-size:13px;}
.btn:disabled{opacity:.55;cursor:not-allowed;}

header{position:fixed;top:0;left:0;right:0;z-index:50;padding:20px 0;transition:all .25s ease;}
header.scrolled{background:rgba(18,18,18,0.97);backdrop-filter:blur(10px);padding:14px 0;box-shadow:0 1px 0 rgba(255,255,255,.06);}
.nav-row{display:flex;align-items:center;justify-content:space-between;gap:20px;}
.logo{display:flex;align-items:center;gap:12px;font-family:var(--font-display);font-weight:700;font-size:20px;color:#fff;}
.logo-chip{width:38px;height:38px;flex-shrink:0;border-radius:8px;background:var(--blanco);display:flex;align-items:center;justify-content:center;padding:5px;}
.logo-chip img{width:100%;height:100%;object-fit:contain;}
.logo .sub{font-family:var(--font-mono);font-size:9.5px;color:var(--verde);letter-spacing:.14em;display:block;font-weight:500;margin-top:1px;}
.nav-links{display:flex;align-items:center;gap:32px;}
.nav-links a{color:rgba(255,255,255,.82);font-size:14.5px;font-weight:500;transition:color .15s;}
.nav-links a:hover{color:var(--verde);}
.nav-cta{display:flex;align-items:center;gap:16px;}
.burger{display:none;background:none;border:none;color:#fff;}
@media(max-width:960px){
  .nav-links{position:fixed;top:0;right:-100%;height:100vh;width:78%;max-width:320px;background:var(--negro);flex-direction:column;justify-content:center;gap:26px;transition:right .3s ease;box-shadow:-10px 0 30px rgba(0,0,0,.35);}
  .nav-links.open{right:0;}
  .burger{display:block;z-index:60;}
}
@media(max-width:420px){
  .nav-cta .btn{padding:10px 14px;font-size:12.5px;}
  .logo .name{font-size:16px;}
}

.hero{position:relative;min-height:92vh;display:flex;align-items:center;color:#fff;overflow:hidden;padding-top:120px;padding-bottom:70px;}
.hero-bg{position:absolute;inset:0;z-index:0;}
.hero-bg img{width:100%;height:100%;object-fit:cover;}
.hero-overlay{position:absolute;inset:0;z-index:1;background:linear-gradient(90deg, rgba(18,18,18,.94) 0%, rgba(18,18,18,.82) 42%, rgba(18,18,18,.55) 75%, rgba(18,18,18,.35) 100%), linear-gradient(0deg, rgba(18,18,18,.55), transparent 40%);}
.hero-inner{position:relative;z-index:2;max-width:660px;}
.hero h1{font-size:clamp(32px,4.6vw,54px);line-height:1.08;margin-bottom:20px;}
.hero p.sub{font-size:17px;color:rgba(255,255,255,.78);max-width:520px;margin-bottom:30px;}
.hero-ctas{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:40px;}
.hero-chips{display:flex;flex-wrap:wrap;gap:10px;}
.hero-chip{display:flex;align-items:center;gap:8px;padding:9px 14px;border:1px solid rgba(255,255,255,.22);border-radius:20px;font-size:12.5px;font-family:var(--font-mono);color:rgba(255,255,255,.85);background:rgba(255,255,255,.04);}
.hero-chip svg{width:14px;height:14px;color:var(--verde);flex-shrink:0;}
@media(max-width:760px){
  .hero{min-height:0;padding-top:104px;padding-bottom:52px;}
  .hero-overlay{background:linear-gradient(180deg, rgba(18,18,18,.90) 0%, rgba(18,18,18,.86) 55%, rgba(18,18,18,.92) 100%), linear-gradient(90deg, rgba(18,18,18,.9) 0%, rgba(18,18,18,.65) 100%);}
  .hero-ctas{margin-bottom:28px;}
  .hero-ctas .btn{flex:1 1 auto;}
}
@media(max-width:400px){
  .hero-chip{font-size:11.5px;padding:7px 11px;}
}

section{padding:104px 0;position:relative;}
@media(max-width:768px){section{padding:66px 0;}}
.section-light{background:var(--blanco);}
.section-tint{background:var(--gris-claro);}
.section-dark{background:var(--negro);color:#fff;}
.section-head{max-width:680px;margin-bottom:52px;}
.section-head h2{font-size:clamp(24px,3vw,36px);}
.section-head p{color:var(--gris-hormigon);font-size:15.5px;margin-top:14px;}
.section-dark .section-head p{color:rgba(255,255,255,.65);}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}

/* para quien trabajamos */
.audience-grid{display:flex;flex-wrap:wrap;justify-content:center;gap:22px;}
.audience-card{flex:0 1 calc(20% - 17.6px);}
@media(max-width:920px){.audience-card{flex-basis:calc(33.333% - 14.7px);}}
@media(max-width:560px){.audience-card{flex-basis:100%;}}
.audience-card{background:var(--blanco);border:1px solid var(--linea);border-radius:4px;padding:28px 24px;transition:border-color .18s, transform .18s;}
.audience-card:hover{border-color:var(--verde);transform:translateY(-3px);}
.contact-info-grid .audience-card{flex-basis:calc(33.333% - 15px);}
@media(max-width:560px){.contact-info-grid .audience-card{flex-basis:100%;}}
.audience-card .icn{width:32px;height:32px;color:var(--verde);margin-bottom:16px;}
.audience-card h3{font-size:16.5px;margin-bottom:8px;}
.audience-card p{font-size:13.5px;color:var(--gris-hormigon);}

/* servicios por categoria */
.service-categories{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;align-items:start;}
@media(max-width:820px){.service-categories{grid-template-columns:1fr;}}
.service-cat{background:var(--blanco);border:1px solid var(--linea);border-radius:4px;padding:30px 30px 26px;}
.service-cat-head{display:flex;align-items:center;gap:14px;margin-bottom:18px;}
.service-cat-head .icn{width:30px;height:30px;color:var(--verde);flex-shrink:0;}
.service-cat-head h3{font-size:18px;}
.service-cat ul{list-style:none;display:flex;flex-direction:column;gap:0;}
.service-cat li{font-size:14px;color:var(--negro);padding:11px 0;border-top:1px solid var(--linea);display:flex;align-items:baseline;gap:10px;}
.service-cat li::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--verde);flex-shrink:0;margin-top:1px;}
.service-cat-foot{margin-top:20px;}

/* servicios: acordeon */
.service-cat{background:var(--blanco);border:1px solid var(--linea);border-radius:4px;overflow:hidden;}
.service-cat-head{width:100%;display:flex;align-items:center;gap:14px;padding:22px 24px;background:none;border:none;text-align:left;}
.service-cat-head .icn{width:26px;height:26px;color:var(--verde);flex-shrink:0;}
.service-cat-head h3{font-size:16.5px;flex:1;}
.cat-chevron{width:11px;height:11px;border-right:2px solid var(--negro);border-bottom:2px solid var(--negro);transform:rotate(45deg);transition:transform .25s ease;flex-shrink:0;}
.service-cat.open .cat-chevron{transform:rotate(-135deg);}
.service-cat-body{max-height:0;overflow:hidden;transition:max-height .35s ease;}
.service-cat.open .service-cat-body{max-height:1100px;}
.service-cat-body ul{list-style:none;display:flex;flex-direction:column;padding:0 24px;}
.service-cat-body li{font-size:14px;color:var(--negro);padding:11px 0;border-top:1px solid var(--linea);display:flex;align-items:baseline;gap:10px;}
.service-cat-body li::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--verde);flex-shrink:0;margin-top:1px;}
.service-cat-foot{padding:18px 24px 24px;}
.service-highlight{margin:4px 24px 4px;padding:18px 20px;background:var(--gris-claro);border-left:3px solid var(--verde);border-radius:2px;}
.service-highlight h4{font-size:15px;margin-bottom:8px;color:var(--negro);}
.service-highlight p{font-size:13px;color:var(--gris-hormigon);margin-bottom:14px;line-height:1.55;}
.service-highlight .btn{width:100%;}

/* planos y especialidades (fondo claro) */
.doc-card-light{background:var(--blanco);border:1px solid var(--linea);}
.doc-card-light h4{color:var(--negro);}
.doc-card-light p{color:var(--gris-hormigon);}
.doc-tags{display:flex;flex-wrap:wrap;gap:7px 0;margin-top:22px;}
.doc-tags span{font-family:var(--font-mono);font-size:11px;color:rgba(255,255,255,.6);padding:0 12px 0 0;position:relative;cursor:default;}
.doc-tags span::after{content:"·";position:absolute;right:2px;color:rgba(255,255,255,.3);}
.doc-tags span:last-child{padding-right:0;}
.doc-tags span:last-child::after{content:"";}
.service-highlight .doc-tags span{color:var(--gris-hormigon);}
.service-highlight .doc-tags span::after{color:rgba(0,0,0,.25);}

/* documentos "flotando" */
.doc-float .doc-img{transform:rotate(0deg);transition:transform .3s ease;aspect-ratio:4/3;}
.doc-float .doc-img img{object-position:left top;}
.doc-float-1 .doc-img{transform:rotate(-1.2deg);}
.doc-float-2 .doc-img{transform:rotate(0.8deg);}
.doc-float-3 .doc-img{transform:rotate(-0.6deg);}
.doc-float .doc-img:hover{transform:rotate(0deg) scale(1.03);}

/* recorrido visual */
.journey-row{display:flex;align-items:flex-start;gap:10px;}
@media(max-width:1040px){.journey-row{flex-direction:column;}}
.journey-step{flex:1;text-align:center;}
.journey-img{border-radius:4px;overflow:hidden;aspect-ratio:4/3;cursor:zoom-in;background:var(--negro-3);}
.journey-img img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.journey-img:hover img{transform:scale(1.03);}
.journey-label{margin-top:14px;}
.journey-label .plabel{font-family:var(--font-mono);font-size:11px;color:var(--verde);letter-spacing:.08em;display:block;margin-bottom:6px;}
.journey-label h4{font-size:14.5px;color:#fff;}
.journey-arrow{color:var(--verde);font-size:22px;align-self:center;padding-top:60px;}
@media(max-width:1040px){.journey-arrow{transform:rotate(90deg);padding:4px 0;align-self:center;}}

/* proyectos: banda editorial destacada */
.featured-row{display:flex;align-items:center;gap:52px;margin-bottom:56px;}
.featured-row.reverse{flex-direction:row-reverse;}
@media(max-width:860px){.featured-row, .featured-row.reverse{flex-direction:column;gap:24px;}}
.featured-img{flex:1.3;border-radius:4px;overflow:hidden;cursor:zoom-in;aspect-ratio:16/10;}
.featured-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.featured-img:hover img{transform:scale(1.03);}
.featured-text{flex:1;}
.featured-text .tag{font-family:var(--font-mono);font-size:11.5px;color:var(--verde);letter-spacing:.08em;text-transform:uppercase;display:block;margin-bottom:10px;}
.featured-text h3{font-size:clamp(19px,2.2vw,26px);margin-bottom:12px;}
.featured-text p{font-size:14.5px;color:var(--gris-hormigon);max-width:420px;}

/* documentacion tecnica */
.doc-intro{max-width:760px;margin-bottom:44px;}
.doc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;}
@media(max-width:920px){.doc-grid{grid-template-columns:1fr;}}
.doc-card{background:var(--negro-2);border-radius:6px;overflow:hidden;border:1px solid rgba(255,255,255,.08);}
.doc-card .doc-img{position:relative;aspect-ratio:14/9;overflow:hidden;background:#000;cursor:zoom-in;}
.doc-card .doc-img img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.doc-card .doc-img:hover img{transform:scale(1.03);}
.doc-card .doc-body{padding:20px 22px 24px;}
.doc-card h4{font-size:15.5px;color:#fff;margin-bottom:8px;}
.doc-card p{font-size:13px;color:rgba(255,255,255,.62);}
.doc-note{margin-top:26px;font-size:12.5px;color:var(--gris-hormigon);display:flex;gap:8px;align-items:flex-start;max-width:760px;}
.doc-note svg{flex-shrink:0;margin-top:2px;color:var(--verde);}

/* proceso */
.process-row{display:grid;grid-template-columns:repeat(5,1fr);gap:0;}
@media(max-width:920px){.process-row{grid-template-columns:1fr;}}
.process-step{position:relative;border-left:1px solid var(--linea);padding-left:22px;}
@media(min-width:921px){.process-step{padding-bottom:0;padding-top:44px;}}
@media(max-width:920px){.process-step{padding-bottom:36px;padding-top:0;}}
.process-step .pnum{position:absolute;top:0;left:-1px;width:9px;height:9px;border-radius:50%;background:var(--verde);transform:translateX(-4.5px);}
.process-step .plabel{font-family:var(--font-mono);font-size:11px;color:var(--verde);letter-spacing:.08em;}
.process-step h4{font-size:16px;margin:8px 0 0;}

/* proyectos / galeria */
.filters{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:32px;}
.filter-btn{padding:9px 18px;border:1px solid var(--linea);border-radius:20px;font-size:13px;font-weight:600;color:var(--gris-hormigon);background:var(--blanco);transition:all .15s;}
.filter-btn:hover{border-color:var(--negro);color:var(--negro);}
.filter-btn.active{background:var(--negro);color:#fff;border-color:var(--negro);}
.gallery{display:flex;flex-wrap:wrap;justify-content:center;gap:20px;}
.gallery-item{flex:0 1 calc(33.333% - 14px);}
@media(max-width:920px){.gallery-item{flex-basis:calc(50% - 10px);}}
@media(max-width:600px){.gallery-item{flex-basis:100%;}}
.gallery-item{position:relative;border-radius:3px;overflow:hidden;aspect-ratio:4/3;cursor:zoom-in;background:var(--gris-claro);}
.gallery-item img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.gallery-item:hover img{transform:scale(1.04);}
.gallery-overlay{position:absolute;inset:0;background:linear-gradient(0deg, rgba(18,18,18,.88) 0%, rgba(18,18,18,0) 55%);display:flex;flex-direction:column;justify-content:flex-end;padding:16px;color:#fff;}
.gallery-overlay .tag{font-family:var(--font-mono);font-size:10px;color:var(--verde);letter-spacing:.08em;text-transform:uppercase;margin-bottom:4px;}
.gallery-overlay h4{font-size:14px;font-weight:600;}
.gallery-item.hidden{display:none;}

/* lightbox */
.lightbox{position:fixed;inset:0;background:rgba(10,10,10,.94);z-index:200;display:none;align-items:center;justify-content:center;padding:40px;}
.lightbox.open{display:flex;}
.lightbox img{max-width:100%;max-height:82vh;border-radius:4px;}
.lightbox-cap{color:#fff;text-align:center;margin-top:16px;font-size:13.5px;font-family:var(--font-mono);}
.lightbox-close{position:absolute;top:24px;right:28px;background:none;border:none;color:#fff;}
.lightbox-nav{position:absolute;top:50%;transform:translateY(-50%);background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.25);color:#fff;width:44px;height:44px;border-radius:50%;display:flex;align-items:center;justify-content:center;}
.lightbox-prev{left:24px;}
.lightbox-next{right:24px;}
@media(max-width:600px){.lightbox{padding:16px;}.lightbox-nav{width:38px;height:38px;}.lightbox-prev{left:8px;}.lightbox-next{right:8px;}}

/* cuidamos cada entrega */
.care-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:26px;}
@media(max-width:920px){.care-grid{grid-template-columns:1fr 1fr;}}
@media(max-width:560px){.care-grid{grid-template-columns:1fr;}}
.care-item .num{font-family:var(--font-mono);font-size:12px;color:var(--verde);margin-bottom:12px;}
.care-item h4{font-size:15.5px;margin-bottom:8px;color:#fff;}
.care-item p{font-size:13.5px;color:rgba(255,255,255,.62);}

/* faq */
.faq-list{max-width:980px;column-count:1;column-gap:48px;}
@media(min-width:860px){.faq-list{column-count:2;}}
.faq-item{border-bottom:1px solid var(--linea);break-inside:avoid;}
.faq-q{width:100%;display:flex;justify-content:space-between;align-items:center;gap:20px;padding:20px 0;background:none;border:none;text-align:left;font-family:var(--font-body);font-size:15px;font-weight:600;color:var(--negro);}
.faq-q .plus{flex-shrink:0;width:20px;height:20px;position:relative;}
.faq-q .plus::before,.faq-q .plus::after{content:"";position:absolute;background:var(--negro);transition:transform .25s ease;}
.faq-q .plus::before{width:100%;height:1.5px;top:50%;left:0;transform:translateY(-50%);}
.faq-q .plus::after{width:1.5px;height:100%;left:50%;top:0;transform:translateX(-50%);}
.faq-item.open .plus::after{transform:translateX(-50%) rotate(90deg);opacity:0;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-a p{font-size:14px;color:var(--gris-hormigon);padding-bottom:20px;max-width:680px;}

/* blog (oculto, preparado) */
.blog-hidden{display:none;}

/* cta final */
.cta-final{background:var(--negro);color:#fff;text-align:center;}
.cta-final h2{font-size:clamp(24px,3.4vw,38px);margin-bottom:16px;}
.cta-final p{color:rgba(255,255,255,.65);max-width:560px;margin:0 auto 30px;font-size:15.5px;}
.cta-final .btns{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;}
.cta-bg{position:relative;overflow:hidden;}
.cta-bg-img{position:absolute;inset:0;z-index:0;}
.cta-bg-img img{width:100%;height:100%;object-fit:cover;}
.cta-overlay{position:absolute;inset:0;z-index:1;background:linear-gradient(180deg, rgba(18,18,18,.92) 0%, rgba(18,18,18,.88) 100%);}
.cta-content{position:relative;z-index:2;}

/* contacto */
.contact-grid{display:grid;grid-template-columns:1fr;gap:0;max-width:760px;margin:0 auto;}
.field{display:flex;flex-direction:column;gap:6px;margin-bottom:16px;}
.field[hidden]{display:none;}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
@media(max-width:520px){.form-row{grid-template-columns:1fr;}}
.hp-field{position:absolute;left:-9999px;top:-9999px;width:1px;height:1px;overflow:hidden;}
.field label{font-size:12.5px;font-weight:600;color:var(--negro);font-family:var(--font-mono);letter-spacing:.03em;}
.field input,.field select,.field textarea{border:1px solid var(--linea);padding:12px 14px;border-radius:2px;font-family:var(--font-body);font-size:14.5px;background:#fff;color:var(--negro);}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--verde);outline:none;}
.radio-row{display:flex;gap:18px;flex-wrap:wrap;}
.radio-opt{display:flex;align-items:center;gap:7px;font-size:14px;}
.checkbox-row{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:var(--gris-hormigon);margin:6px 0 20px;}
.checkbox-row input{margin-top:3px;}
.file-note{border:1px dashed var(--linea);padding:14px;border-radius:2px;font-size:12.5px;color:var(--gris-hormigon);}
#formNote{display:none;margin-top:14px;padding:12px 14px;border-radius:2px;font-size:13px;background:var(--gris-claro);color:var(--negro);}

/* footer */
footer{background:var(--negro-2);color:rgba(255,255,255,.6);padding:56px 0 26px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;margin-bottom:44px;}
@media(max-width:820px){.footer-grid{grid-template-columns:1fr 1fr;}}
@media(max-width:480px){.footer-grid{grid-template-columns:1fr;gap:30px;}}
.footer-grid h5{color:#fff;font-family:var(--font-mono);font-size:12px;letter-spacing:.08em;text-transform:uppercase;margin-bottom:16px;}
.footer-grid ul{list-style:none;display:flex;flex-direction:column;gap:10px;}
.footer-grid a{font-size:13.5px;}
.footer-grid a:hover{color:var(--verde);}
.footer-grid li.placeholder{opacity:.4;font-style:italic;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:22px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:12.5px;}

/* whatsapp + chat fabs */
.fab-stack{position:fixed;bottom:24px;right:24px;z-index:70;display:flex;flex-direction:column;gap:14px;align-items:flex-end;}
.fab{width:56px;height:56px;border-radius:50%;display:flex;align-items:center;justify-content:center;border:none;box-shadow:0 8px 24px rgba(0,0,0,.28);transition:transform .2s;color:#fff;}
.fab:hover{transform:scale(1.06);}
.fab-whatsapp{background:#25D366;}
.fab-chat{background:var(--verde);}
.fab[hidden]{display:none;}

.chat-panel{position:fixed;bottom:96px;right:24px;z-index:70;width:370px;max-width:calc(100vw - 32px);height:520px;max-height:calc(100vh - 140px);background:#fff;border-radius:8px;box-shadow:0 20px 60px rgba(0,0,0,.25);display:none;flex-direction:column;overflow:hidden;border:1px solid var(--linea);}
.chat-panel.open{display:flex;}
.chat-head{background:var(--negro);color:#fff;padding:16px 18px;display:flex;align-items:center;gap:12px;}
.chat-head .dot{width:8px;height:8px;border-radius:50%;background:var(--verde);}
.chat-head b{font-size:14.5px;display:block;}
.chat-head span{font-size:11.5px;color:rgba(255,255,255,.55);font-family:var(--font-mono);}
.chat-body{flex:1;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:12px;background:var(--gris-claro);}
.msg{max-width:84%;padding:10px 13px;border-radius:10px;font-size:13.5px;line-height:1.5;}
.msg.bot{background:#fff;border:1px solid var(--linea);align-self:flex-start;border-bottom-left-radius:2px;}
.msg.user{background:var(--negro);color:#fff;align-self:flex-end;border-bottom-right-radius:2px;}
.msg.typing{display:flex;gap:4px;padding:14px;}
.msg.typing span{width:6px;height:6px;background:var(--gris-hormigon);border-radius:50%;animation:blink 1.2s infinite ease-in-out;}
.msg.typing span:nth-child(2){animation-delay:.2s;}
.msg.typing span:nth-child(3){animation-delay:.4s;}
@keyframes blink{0%,80%,100%{opacity:.3;}40%{opacity:1;}}
.chat-input-row{display:flex;gap:8px;padding:12px;border-top:1px solid var(--linea);background:#fff;}
.chat-input-row input{flex:1;border:1px solid var(--linea);border-radius:20px;padding:10px 16px;font-size:13.5px;font-family:var(--font-body);}
.chat-input-row input:focus{outline:none;border-color:var(--verde);}
.chat-input-row button{width:38px;height:38px;border-radius:50%;background:var(--verde);color:#fff;border:none;flex-shrink:0;display:flex;align-items:center;justify-content:center;}

.reveal{opacity:0;transform:translateY(16px);transition:opacity .6s ease, transform .6s ease;}
.reveal.in{opacity:1;transform:translateY(0);}

/* ===== RONDA 3: pulido final ===== */

/* nav: subrayado animado + espaciado tablet */
.nav-links a{position:relative;}
.nav-links a::after{content:"";position:absolute;left:0;bottom:-4px;width:0;height:1.5px;background:var(--verde);transition:width .22s ease;}
.nav-links a:hover::after{width:100%;}
@media(max-width:1080px) and (min-width:961px){.nav-links{gap:22px;}.nav-row{gap:14px;}}

/* franja de metricas / nosotros */
.metrics-strip{background:var(--negro-2);padding:44px 0;border-top:1px solid rgba(255,255,255,.06);border-bottom:1px solid rgba(255,255,255,.06);}
.metrics-lede{color:rgba(255,255,255,.82);font-size:15px;max-width:760px;margin:0 auto 32px;text-align:center;line-height:1.6;}
.metrics-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;max-width:1000px;margin:0 auto;}
@media(max-width:860px){.metrics-grid{grid-template-columns:1fr 1fr;}}
@media(max-width:500px){.metrics-grid{grid-template-columns:1fr;}}
.metric-item{text-align:center;padding:0 8px;border-left:1px solid rgba(255,255,255,.12);}
.metric-item:first-child{border-left:none;}
@media(max-width:860px){.metric-item{border-left:none;border-top:1px solid rgba(255,255,255,.12);padding-top:18px;}.metric-item:nth-child(1),.metric-item:nth-child(2){border-top:none;padding-top:0;}}
.metric-value{display:block;font-family:var(--font-display);font-weight:700;font-size:18px;color:var(--verde);letter-spacing:-.01em;}
.metric-label{display:block;font-size:11.5px;color:rgba(255,255,255,.55);margin-top:6px;font-family:var(--font-mono);letter-spacing:.02em;}

/* servicios: numeracion grande editorial */
.cat-num{font-family:var(--font-display);font-weight:700;font-size:26px;color:var(--linea);flex-shrink:0;width:44px;transition:color .2s ease;}
.service-cat.open .cat-num, .service-cat-head:hover .cat-num{color:var(--verde);}
.service-cat{transition:border-color .2s ease, box-shadow .2s ease;}
.service-cat:hover{border-color:var(--verde);}
.service-cat.open{box-shadow:0 8px 28px rgba(0,0,0,.06);}

/* divisor discreto entre bloques oscuros contiguos */
.dark-divider{height:1px;background:linear-gradient(90deg, transparent, rgba(255,255,255,.14), transparent);max-width:1220px;margin:0 auto;}

/* indicador ampliar sobre planos tecnicos */
.doc-card-light .doc-img{position:relative;}
.zoom-badge{position:absolute;bottom:12px;right:12px;display:flex;align-items:center;gap:6px;background:rgba(18,18,18,.82);color:#fff;font-family:var(--font-mono);font-size:11px;letter-spacing:.03em;padding:7px 12px;border-radius:20px;opacity:0;transform:translateY(4px);transition:opacity .2s ease, transform .2s ease;}
.doc-card-light .doc-img:hover .zoom-badge{opacity:1;transform:translateY(0);}
@media(hover:none){.zoom-badge{opacity:1;transform:translateY(0);background:rgba(18,18,18,.7);}}

/* ===== Ajustes móviles (sin cambios de estructura) ===== */

/* header más compacto en 320-390px */
@media(max-width:390px){
  header{padding:14px 0;}
  header.scrolled{padding:10px 0;}
  .logo-chip{width:32px;height:32px;}
  .logo .name{font-size:15px;}
  .logo .sub{font-size:8px;letter-spacing:.1em;}
  .nav-row{gap:12px;}
}

/* menos espacio vertical entre los chips del Hero */
@media(max-width:760px){
  .hero-chips{gap:8px;}
  .hero-chip{padding:7px 12px;}
}
@media(max-width:400px){
  .hero-chip{padding:6px 11px;}
}

/* lightbox: más cómodo para ver planos y documentos en móvil */
@media(max-width:600px){
  .lightbox{padding:10px;}
  .lightbox img{max-height:86vh;}
  .lightbox-cap{margin-top:10px;font-size:12.5px;}
  .lightbox-close{top:12px;right:12px;}
}

/* footer: espaciado vertical más compacto en móvil */
@media(max-width:600px){
  footer{padding:40px 0 20px;}
  .footer-grid{margin-bottom:30px;}
  .footer-bottom{padding-top:16px;}
}