/* ══════════════════════════════════════════════════
   C84 Instalaciones — Hoja de estilos principal
   ══════════════════════════════════════════════════ */

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}

:root{
  --negro:#0D0D0D;
  --negro2:#161616;
  --gris:#252525;
  --gris2:#333;
  --amarillo:#F5C800;
  --naranja:#FF6B00;
  --blanco:#FFFFFF;
  --texto-gris:#888;
  --texto-claro:#BBB;
  --verde-wa:#25D366;
}

html{scroll-behavior:smooth}
body{font-family:'Inter',sans-serif;background:var(--negro);color:var(--blanco);overflow-x:hidden}

/* ══ SCROLL PROGRESS ══ */
#scroll-progress{
  position:fixed;top:0;left:0;width:0%;height:3px;
  background:linear-gradient(90deg,var(--amarillo),var(--naranja));
  z-index:200;transition:width 0.1s linear;
}

/* ══ SKIP NAV (accesibilidad) ══ */
.skip-nav{
  position:absolute;top:-40px;left:16px;
  background:var(--amarillo);color:var(--negro);
  font-weight:700;padding:8px 16px;border-radius:0 0 4px 4px;
  text-decoration:none;z-index:9999;
  transition:top 0.2s;
}
.skip-nav:focus{top:0}

/* ══ NAV ══ */
nav{
  position:fixed;top:0;left:0;right:0;z-index:100;
  display:flex;align-items:center;justify-content:space-between;
  padding:0 48px;height:72px;
  background:rgba(13,13,13,0.96);backdrop-filter:blur(12px);
  border-bottom:1px solid #1e1e1e;transition:all 0.3s;
}
nav.scrolled{height:60px;background:rgba(13,13,13,0.99)}
.nav-logo{display:flex;align-items:center;gap:10px;text-decoration:none}
.nav-logo img{height:38px;transition:height 0.3s}
nav.scrolled .nav-logo img{height:32px}
.nav-links{display:flex;gap:32px;list-style:none}
.nav-links a{
  color:var(--texto-gris);text-decoration:none;
  font-size:12px;font-weight:500;letter-spacing:0.1em;text-transform:uppercase;
  transition:color 0.2s;position:relative;
}
.nav-links a::after{
  content:'';position:absolute;bottom:-4px;left:0;
  width:0;height:1px;background:var(--amarillo);transition:width 0.25s;
}
.nav-links a:hover,.nav-links a.active{color:var(--blanco)}
.nav-links a:hover::after,.nav-links a.active::after{width:100%}
.nav-cta{background:var(--amarillo)!important;color:var(--negro)!important;padding:10px 24px;border-radius:2px;font-weight:700!important}
.nav-cta::after{display:none!important}
.nav-cta:hover{background:var(--naranja)!important;color:var(--blanco)!important}
.nav-toggle{display:none;flex-direction:column;gap:5px;cursor:pointer;background:none;border:none;padding:5px}
.nav-toggle span{display:block;width:22px;height:2px;background:var(--blanco);transition:0.3s}

/* ══ HERO ══ */
#inicio{min-height:100vh;position:relative;display:flex;flex-direction:column;justify-content:flex-end;overflow:hidden}
.hero-bg{
  position:absolute;inset:0;
  background-image:url('../images/hero-bg.jpg');
  background-size:cover;background-position:center 35%;
  filter:brightness(0.2) saturate(0.8);
}
.hero-gradient{
  position:absolute;inset:0;
  background:linear-gradient(to top,rgba(13,13,13,1) 0%,rgba(13,13,13,0.5) 50%,rgba(13,13,13,0.1) 100%);
}
.hero-content{
  position:relative;z-index:2;
  max-width:1200px;margin:0 auto;padding:0 48px;width:100%;
  padding-top:180px;padding-bottom:60px;
}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(245,200,0,0.12);border:1px solid rgba(245,200,0,0.3);
  color:var(--amarillo);font-family:'Barlow Condensed',sans-serif;
  font-size:11px;font-weight:700;letter-spacing:0.2em;text-transform:uppercase;
  padding:7px 16px;margin-bottom:32px;border-radius:2px;
}
.hero-tag::before{
  content:'';width:6px;height:6px;background:var(--amarillo);
  border-radius:50%;animation:pulse 2s infinite;
}
@keyframes pulse{
  0%,100%{opacity:1;transform:scale(1)}
  50%{opacity:0.5;transform:scale(1.3)}
}
.hero-h1{
  font-family:'Barlow Condensed',sans-serif;
  font-size:clamp(56px,9vw,110px);font-weight:900;
  line-height:0.9;text-transform:uppercase;letter-spacing:-0.02em;margin-bottom:32px;
}
.hero-h1 .accent{color:var(--amarillo);display:block}
.hero-h1 .sub{
  font-size:clamp(28px,4vw,50px);color:#666;
  font-weight:600;letter-spacing:0.02em;display:block;margin-top:8px;
}
.hero-desc{font-size:16px;color:#999;max-width:500px;line-height:1.7;margin-bottom:40px}
.hero-ctas{display:flex;gap:16px;flex-wrap:wrap;align-items:center;margin-bottom:80px}
.btn-primary{
  background:var(--amarillo);color:var(--negro);
  font-family:'Barlow Condensed',sans-serif;font-size:15px;font-weight:800;
  letter-spacing:0.1em;text-transform:uppercase;padding:16px 36px;
  text-decoration:none;border-radius:2px;transition:all 0.2s;display:inline-block;
}
.btn-primary:hover{
  background:var(--naranja);color:var(--blanco);
  transform:translateY(-2px);box-shadow:0 8px 24px rgba(255,107,0,0.3);
}
.btn-outline{
  border:1px solid rgba(255,255,255,0.2);color:var(--blanco);
  font-family:'Barlow Condensed',sans-serif;font-size:15px;font-weight:600;
  letter-spacing:0.1em;text-transform:uppercase;padding:16px 36px;
  text-decoration:none;border-radius:2px;transition:all 0.2s;
  display:inline-flex;align-items:center;gap:8px;
}
.btn-outline:hover{border-color:var(--amarillo);color:var(--amarillo)}
.hero-stats-bar{
  position:relative;z-index:2;border-top:1px solid #1e1e1e;
  display:grid;grid-template-columns:repeat(4,1fr);
}
.hero-stat{padding:28px 48px;border-right:1px solid #1e1e1e}
.hero-stat:last-child{border-right:none}
.hero-stat-num{
  font-family:'Barlow Condensed',sans-serif;font-size:44px;font-weight:900;
  color:var(--amarillo);line-height:1;letter-spacing:-0.02em;
}
.hero-stat-label{font-size:11px;color:#555;text-transform:uppercase;letter-spacing:0.1em;margin-top:4px}

/* ══ REVEAL ANIMATION ══ */
.reveal{opacity:0;transform:translateY(28px);transition:opacity 0.6s ease,transform 0.6s ease}
.reveal.visible{opacity:1;transform:translateY(0)}
.reveal-delay-1{transition-delay:0.1s}
.reveal-delay-2{transition-delay:0.2s}
.reveal-delay-3{transition-delay:0.3s}

/* ══ SECCIONES ══ */
section{padding:100px 0}
.container{max-width:1200px;margin:0 auto;padding:0 48px}
.eyebrow{
  font-family:'Barlow Condensed',sans-serif;font-size:11px;font-weight:700;
  letter-spacing:0.25em;text-transform:uppercase;color:var(--amarillo);
  margin-bottom:14px;display:flex;align-items:center;gap:10px;
}
.eyebrow::before{content:'';width:24px;height:1px;background:var(--amarillo)}
.section-title{
  font-family:'Barlow Condensed',sans-serif;font-size:clamp(38px,5vw,62px);
  font-weight:900;text-transform:uppercase;line-height:0.95;
  letter-spacing:-0.02em;margin-bottom:20px;
}
.section-desc{font-size:16px;color:#777;line-height:1.75;max-width:540px}

/* ══ SOBRE ══ */
#sobre{background:var(--negro2)}
.sobre-grid{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center}
.sobre-img-wrap{position:relative}
.sobre-img-wrap img{width:100%;height:500px;object-fit:cover;object-position:center;display:block}
.sobre-img-accent{
  position:absolute;bottom:-16px;right:-16px;width:55%;height:55%;
  border:2px solid rgba(245,200,0,0.3);pointer-events:none;
}
.sobre-img-badge{
  position:absolute;top:24px;left:-20px;
  background:var(--amarillo);color:var(--negro);
  font-family:'Barlow Condensed',sans-serif;font-size:13px;font-weight:800;
  letter-spacing:0.1em;text-transform:uppercase;padding:12px 20px;
  writing-mode:vertical-lr;transform:rotate(180deg);
}
.sobre-content{padding-left:8px}
.sobre-points{list-style:none;margin-top:28px}
.sobre-point{
  display:flex;gap:16px;align-items:flex-start;
  padding:16px 0;border-bottom:1px solid #1e1e1e;
}
.sobre-point:last-child{border-bottom:none}
.sobre-point-icon{
  width:8px;height:8px;background:var(--amarillo);
  border-radius:50%;margin-top:7px;flex-shrink:0;
}
.sobre-point-text{font-size:14px;color:#aaa;line-height:1.6}
.sobre-point-text strong{color:var(--blanco)}
.sobre-badges{display:flex;flex-wrap:wrap;gap:8px;margin-top:28px}
.badge{
  background:rgba(245,200,0,0.08);border:1px solid rgba(245,200,0,0.2);
  color:var(--amarillo);font-size:11px;font-weight:700;
  letter-spacing:0.1em;text-transform:uppercase;padding:7px 14px;border-radius:2px;
}

/* ══ PROCESO ══ */
#proceso{background:var(--negro)}
.proceso-steps{
  display:grid;grid-template-columns:repeat(4,1fr);
  gap:1px;background:#1e1e1e;margin-top:60px;
}
.proceso-step{
  background:var(--negro);padding:40px 32px;
  position:relative;overflow:hidden;transition:background 0.25s;
}
.proceso-step:hover{background:var(--negro2)}
.proceso-step::before{
  content:'';position:absolute;top:0;left:0;right:0;height:3px;
  background:var(--amarillo);transform:scaleX(0);transform-origin:left;transition:transform 0.35s;
}
.proceso-step:hover::before{transform:scaleX(1)}
.proceso-num{
  font-family:'Barlow Condensed',sans-serif;font-size:56px;font-weight:900;
  color:#1e1e1e;line-height:1;margin-bottom:20px;transition:color 0.25s;
}
.proceso-step:hover .proceso-num{color:#252525}
.proceso-icon{font-size:28px;margin-bottom:16px}
.proceso-title{
  font-family:'Barlow Condensed',sans-serif;font-size:18px;font-weight:700;
  text-transform:uppercase;letter-spacing:0.04em;margin-bottom:10px;
}
.proceso-desc{font-size:13px;color:#666;line-height:1.6}

/* ══ SERVICIOS ══ */
#servicios{background:var(--negro2)}
.servicios-header{
  display:flex;justify-content:space-between;align-items:flex-end;
  gap:40px;margin-bottom:48px;
}
.servicios-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:2px}
.servicio-card{
  background:var(--negro);padding:40px 32px;
  position:relative;overflow:hidden;cursor:default;transition:background 0.25s;
}
.servicio-card:hover{background:#121212}
.servicio-card::before{
  content:'';position:absolute;left:0;top:0;bottom:0;width:3px;
  background:var(--amarillo);transform:scaleY(0);transform-origin:bottom;transition:transform 0.35s;
}
.servicio-card:hover::before{transform:scaleY(1)}
.servicio-num{
  position:absolute;top:20px;right:20px;
  font-family:'Barlow Condensed',sans-serif;font-size:72px;font-weight:900;
  color:#111;line-height:1;transition:color 0.25s;
}
.servicio-card:hover .servicio-num{color:#1a1a1a}
.servicio-icon{font-size:30px;margin-bottom:20px;display:block;position:relative}
.servicio-h3{
  font-family:'Barlow Condensed',sans-serif;font-size:21px;font-weight:700;
  text-transform:uppercase;letter-spacing:0.04em;margin-bottom:12px;position:relative;
}
.servicio-p{font-size:13px;color:#666;line-height:1.65;position:relative}
.servicio-link{
  display:inline-flex;align-items:center;gap:6px;margin-top:16px;
  font-size:11px;font-weight:600;letter-spacing:0.1em;text-transform:uppercase;
  color:var(--amarillo);text-decoration:none;
  opacity:0;transition:opacity 0.2s;position:relative;
}
.servicio-card:hover .servicio-link{opacity:1}

/* ══ PROYECTOS ══ */
#proyectos{background:var(--negro)}
.proyectos-intro{
  display:flex;justify-content:space-between;
  align-items:flex-end;margin-bottom:48px;gap:40px;
}
.proyectos-mosaic{
  display:grid;grid-template-columns:repeat(12,1fr);
  grid-template-rows:280px 280px;gap:4px;
}
.p-card{position:relative;overflow:hidden;cursor:pointer}
.p-card img{
  width:100%;height:100%;object-fit:cover;
  transition:transform 0.6s ease;display:block;
}
.p-card:hover img{transform:scale(1.06)}
.p-overlay{
  position:absolute;inset:0;
  background:linear-gradient(to top,rgba(0,0,0,0.9) 0%,rgba(0,0,0,0) 55%);
  opacity:0;transition:opacity 0.3s;
}
.p-card:hover .p-overlay{opacity:1}
.p-info{
  position:absolute;bottom:0;left:0;right:0;padding:24px;
  transform:translateY(10px);transition:transform 0.3s;
}
.p-card:hover .p-info{transform:translateY(0)}
.p-title{
  font-family:'Barlow Condensed',sans-serif;font-size:18px;
  font-weight:700;text-transform:uppercase;line-height:1.2;
}
.p-sub{font-size:12px;color:var(--amarillo);margin-top:4px;letter-spacing:0.05em}
.p-card-1{grid-column:1/6;grid-row:1/2}
.p-card-2{grid-column:6/9;grid-row:1/2}
.p-card-3{grid-column:9/13;grid-row:1/2}
.p-card-4{grid-column:1/5;grid-row:2/3}
.p-card-5{grid-column:5/9;grid-row:2/3}
.p-card-6{grid-column:9/13;grid-row:2/3}

/* ══ CLIENTES ══ */
#clientes{background:var(--negro2);padding:64px 0}
.clientes-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:48px;flex-wrap:wrap;
}
.clientes-label{
  font-size:11px;font-weight:600;letter-spacing:0.2em;
  text-transform:uppercase;color:#444;white-space:nowrap;
}
.clientes-logos{display:flex;gap:40px;align-items:center;flex-wrap:wrap}
.cliente-item{
  font-family:'Barlow Condensed',sans-serif;font-size:18px;font-weight:700;
  text-transform:uppercase;letter-spacing:0.06em;color:#333;
  transition:color 0.2s;cursor:default;
}
.cliente-item:hover{color:#666}

/* ══ CLASIFICACIONES ══ */
#clasificaciones{background:var(--amarillo)}
.clas-grid{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center}
.clas-left .eyebrow{color:#7a6200}
.clas-left .eyebrow::before{background:#7a6200}
.clas-title{
  font-family:'Barlow Condensed',sans-serif;font-size:clamp(38px,5vw,60px);
  font-weight:900;color:var(--negro);text-transform:uppercase;
  line-height:0.95;margin-bottom:20px;
}
.clas-desc{font-size:15px;color:#5a4800;line-height:1.7}
.clas-regs{display:flex;gap:8px;flex-wrap:wrap;margin-top:24px}
.clas-reg{
  background:rgba(0,0,0,0.1);color:var(--negro);
  font-family:'Barlow Condensed',sans-serif;font-size:14px;
  font-weight:800;letter-spacing:0.1em;padding:8px 18px;
}
.clas-cards{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.clas-card{
  background:rgba(0,0,0,0.08);padding:24px 22px;
  border-left:3px solid rgba(0,0,0,0.15);
  transition:background 0.2s;
}
.clas-card:hover{background:rgba(0,0,0,0.12)}
.clas-card-code{
  font-family:'Barlow Condensed',sans-serif;font-size:28px;
  font-weight:900;color:var(--negro);letter-spacing:0.02em;
}
.clas-card-label{font-size:12px;color:#5a4800;margin-top:4px;line-height:1.4}

/* ══ CONTACTO ══ */
#contacto{background:var(--negro2)}
.contacto-grid{
  display:grid;grid-template-columns:1fr 1.2fr;
  gap:80px;margin-top:60px;align-items:start;
}
.contacto-dato{
  display:flex;gap:18px;align-items:flex-start;
  padding:20px 0;border-bottom:1px solid #1e1e1e;
}
.contacto-dato:last-of-type{border-bottom:none;margin-bottom:24px}
.contacto-dato-icon{
  width:42px;height:42px;
  background:rgba(245,200,0,0.1);border:1px solid rgba(245,200,0,0.2);
  color:var(--amarillo);display:flex;align-items:center;justify-content:center;
  font-size:16px;flex-shrink:0;border-radius:2px;
}
.contacto-dato-label{font-size:10px;text-transform:uppercase;letter-spacing:0.15em;color:#555;margin-bottom:4px}
.contacto-dato-val{
  font-size:15px;color:var(--blanco);font-weight:500;
  text-decoration:none;transition:color 0.2s;
}
.contacto-dato-val:hover{color:var(--amarillo)}
.whatsapp-btn{
  display:inline-flex;align-items:center;gap:12px;
  background:var(--verde-wa);color:white;text-decoration:none;
  padding:14px 26px;border-radius:2px;
  font-family:'Barlow Condensed',sans-serif;font-size:15px;
  font-weight:700;letter-spacing:0.08em;text-transform:uppercase;
  transition:background 0.2s;
}
.whatsapp-btn:hover{background:#1da851}

/* ══ FORMULARIO ══ */
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form-group{margin-bottom:14px}
.form-group label{
  display:block;font-size:10px;text-transform:uppercase;
  letter-spacing:0.15em;color:#555;margin-bottom:8px;
}
.form-group input,
.form-group textarea,
.form-group select{
  width:100%;background:#1e1e1e;border:1px solid #2a2a2a;
  color:var(--blanco);font-family:'Inter',sans-serif;font-size:14px;
  padding:13px 16px;border-radius:2px;outline:none;transition:border-color 0.2s;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus{border-color:var(--amarillo)}
.form-group input.error,
.form-group textarea.error,
.form-group select.error{border-color:#e53e3e}
.form-error-msg{
  font-size:11px;color:#e53e3e;
  margin-top:4px;display:none;
}
.form-group.has-error .form-error-msg{display:block}
.form-group textarea{min-height:120px;resize:vertical}
.form-group select option{background:#1e1e1e}
.btn-form{
  width:100%;background:var(--amarillo);color:var(--negro);
  border:none;font-family:'Barlow Condensed',sans-serif;
  font-size:17px;font-weight:800;letter-spacing:0.1em;text-transform:uppercase;
  padding:18px;cursor:pointer;border-radius:2px;
  transition:all 0.2s;margin-top:6px;
}
.btn-form:hover:not(:disabled){background:var(--naranja);color:var(--blanco)}
.btn-form:disabled{opacity:0.6;cursor:not-allowed}
.form-success{
  display:none;text-align:center;padding:32px;
  background:rgba(245,200,0,0.06);border:1px solid rgba(245,200,0,0.2);
  border-radius:2px;
}
.form-success.visible{display:block}
.form-success-icon{font-size:36px;margin-bottom:12px}
.form-success h3{
  font-family:'Barlow Condensed',sans-serif;font-size:22px;
  font-weight:700;text-transform:uppercase;margin-bottom:8px;
}
.form-success p{font-size:14px;color:#777}

/* ══ FLOAT BUTTONS ══ */
.whatsapp-float{
  position:fixed;bottom:28px;right:28px;z-index:99;
  width:56px;height:56px;background:var(--verde-wa);
  border-radius:50%;display:flex;align-items:center;justify-content:center;
  text-decoration:none;box-shadow:0 4px 20px rgba(37,211,102,0.35);
  transition:transform 0.2s;
}
.whatsapp-float:hover{transform:scale(1.1)}
.whatsapp-float svg{width:28px;height:28px;fill:white}
.call-float{
  position:fixed;bottom:96px;right:30px;z-index:99;
  width:52px;height:52px;background:var(--amarillo);
  border-radius:50%;display:flex;align-items:center;justify-content:center;
  text-decoration:none;box-shadow:0 4px 16px rgba(245,200,0,0.3);
  font-size:20px;transition:transform 0.2s;
}
.call-float:hover{transform:scale(1.1)}

/* ══ BACK TO TOP ══ */
#back-to-top{
  position:fixed;bottom:96px;left:28px;z-index:99;
  width:44px;height:44px;background:rgba(255,255,255,0.06);
  border:1px solid rgba(255,255,255,0.1);border-radius:2px;
  display:flex;align-items:center;justify-content:center;
  color:var(--blanco);cursor:pointer;transition:all 0.3s;
  opacity:0;pointer-events:none;
}
#back-to-top.visible{opacity:1;pointer-events:all}
#back-to-top:hover{background:rgba(245,200,0,0.15);border-color:var(--amarillo);color:var(--amarillo)}
#back-to-top svg{width:18px;height:18px}

/* ══ FOOTER ══ */
footer{background:#080808;padding:64px 0 24px;border-top:1px solid #141414}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:60px;margin-bottom:48px}
.footer-logo img{height:34px;margin-bottom:18px;display:block}
.footer-desc{font-size:13px;color:#444;line-height:1.7}
.footer-h4{
  font-family:'Barlow Condensed',sans-serif;font-size:13px;font-weight:700;
  text-transform:uppercase;letter-spacing:0.12em;color:var(--amarillo);margin-bottom:18px;
}
.footer-links{list-style:none}
.footer-links li{margin-bottom:9px}
.footer-links a{color:#3a3a3a;text-decoration:none;font-size:13px;transition:color 0.2s}
.footer-links a:hover{color:var(--blanco)}
.footer-bottom{
  border-top:1px solid #141414;padding-top:22px;
  display:flex;justify-content:space-between;align-items:center;
  gap:16px;flex-wrap:wrap;
}
.footer-copy{font-size:11px;color:#333}
.footer-made{font-size:11px;color:#2a2a2a}
.footer-made a{color:#333;text-decoration:none}
.footer-made a:hover{color:var(--amarillo)}

/* ══ MOBILE MENU ══ */
#mobile-menu{
  display:none;position:fixed;inset:0;
  background:rgba(10,10,10,0.98);z-index:99;
  flex-direction:column;align-items:center;justify-content:center;
  gap:32px;backdrop-filter:blur(10px);
}
.mobile-close{
  position:absolute;top:22px;right:22px;
  background:none;border:none;color:white;font-size:28px;cursor:pointer;
}
#mobile-menu a{
  color:white;text-decoration:none;
  font-family:'Barlow Condensed',sans-serif;font-size:28px;
  font-weight:700;text-transform:uppercase;letter-spacing:0.08em;transition:color 0.2s;
}
#mobile-menu a:hover{color:var(--amarillo)}
#mobile-menu .mobile-cta{
  background:var(--amarillo);color:var(--negro);
  padding:14px 40px;font-size:24px;
}

/* ══ COOKIE CONSENT ══ */
#cookie-banner{
  position:fixed;bottom:0;left:0;right:0;z-index:300;
  background:var(--negro2);border-top:1px solid #2a2a2a;
  padding:16px 48px;
  display:flex;align-items:center;justify-content:space-between;
  gap:24px;flex-wrap:wrap;
  transform:translateY(100%);transition:transform 0.4s ease;
}
#cookie-banner.visible{transform:translateY(0)}
.cookie-text{font-size:13px;color:#777;line-height:1.5;max-width:600px}
.cookie-text a{color:var(--amarillo);text-decoration:none}
.cookie-text a:hover{text-decoration:underline}
.cookie-actions{display:flex;gap:10px;flex-shrink:0}
.cookie-btn{
  font-family:'Barlow Condensed',sans-serif;font-size:13px;font-weight:700;
  letter-spacing:0.08em;text-transform:uppercase;padding:10px 20px;
  border-radius:2px;cursor:pointer;border:none;transition:all 0.2s;
}
.cookie-accept{background:var(--amarillo);color:var(--negro)}
.cookie-accept:hover{background:var(--naranja);color:var(--blanco)}
.cookie-decline{background:transparent;color:#555;border:1px solid #333}
.cookie-decline:hover{color:var(--blanco);border-color:#555}

/* ══ RESPONSIVE ══ */
@media(max-width:1000px){
  .nav-links{display:none}
  .nav-toggle{display:flex}
  .sobre-grid,.clas-grid,.contacto-grid{grid-template-columns:1fr;gap:40px}
  .hero-stats-bar{grid-template-columns:1fr 1fr}
  .hero-stat:nth-child(2){border-right:none}
  .servicios-grid{grid-template-columns:1fr 1fr}
  .proceso-steps{grid-template-columns:1fr 1fr}
  .proyectos-mosaic{grid-template-columns:1fr 1fr;grid-template-rows:auto}
  .p-card-1,.p-card-2,.p-card-3,.p-card-4,.p-card-5,.p-card-6{grid-column:auto;grid-row:auto}
  .p-card img{height:220px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  #cookie-banner{padding:16px 24px}
  #back-to-top{display:none}
}
@media(max-width:640px){
  nav{padding:0 20px}
  .container{padding:0 20px}
  .hero-content{padding:140px 20px 48px}
  .servicios-grid,.proceso-steps{grid-template-columns:1fr}
  .proyectos-mosaic{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
  section{padding:72px 0}
  .clas-cards{grid-template-columns:1fr}
  .hero-stats-bar{grid-template-columns:1fr 1fr}
  .hero-stat{padding:20px 20px}
}