/* ============================================
   US ELECTRIC — DESIGN TOKENS
   ============================================ */
:root{
  --c-black:#0B0B0C;
  --c-black-soft:#17171A;
  --c-red:#D91E2C;
  --c-red-dark:#A3141F;
  --c-white:#FFFFFF;
  --c-gray-50:#FAFAF9;
  --c-gray-100:#F5F5F4;
  --c-gray-300:#D9D8D6;
  --c-gray-600:#6B6B6E;

  --font-display:'Oswald', sans-serif;
  --font-impact:'Big Shoulders Display', 'Oswald', sans-serif;
  --font-body:'Inter', sans-serif;
  --font-mono:'JetBrains Mono', monospace;

  --container:1240px;
  --radius:4px;
  --transition:.25s ease;
  --cut:14px;

  /* Remaches de esquina — motivo de placa metálica atornillada */
  --rivet-corners:
    radial-gradient(circle 2.5px at 12px 12px, var(--c-gray-300) 99%, transparent 100%),
    radial-gradient(circle 2.5px at calc(100% - 12px) 12px, var(--c-gray-300) 99%, transparent 100%),
    radial-gradient(circle 2.5px at 12px calc(100% - 12px), var(--c-gray-300) 99%, transparent 100%),
    radial-gradient(circle 2.5px at calc(100% - 12px) calc(100% - 12px), var(--c-gray-300) 99%, transparent 100%);
  --rivet-corners-dark:
    radial-gradient(circle 2.5px at 12px 12px, rgba(255,255,255,.28) 99%, transparent 100%),
    radial-gradient(circle 2.5px at calc(100% - 12px) 12px, rgba(255,255,255,.28) 99%, transparent 100%),
    radial-gradient(circle 2.5px at 12px calc(100% - 12px), rgba(255,255,255,.28) 99%, transparent 100%),
    radial-gradient(circle 2.5px at calc(100% - 12px) calc(100% - 12px), rgba(255,255,255,.28) 99%, transparent 100%);

  /* Textura de laminación — chapas apiladas del núcleo */
  --lamination:repeating-linear-gradient(180deg, rgba(255,255,255,.035) 0, rgba(255,255,255,.035) 1px, transparent 1px, transparent 10px);
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion: reduce){html{scroll-behavior:auto}*{animation-duration:.01ms !important;transition-duration:.01ms !important}}

body{
  font-family:var(--font-body);
  color:var(--c-black);
  background:var(--c-white);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}

img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
button{font:inherit;cursor:pointer;border:none;background:none}
input,textarea,select{font:inherit}

h1,h2,h3,h4{font-family:var(--font-display);font-weight:600;letter-spacing:.01em;line-height:1.12;text-transform:uppercase}
h1{font-family:var(--font-impact);font-weight:800;font-size:clamp(2.6rem,5.2vw + .5rem,4.9rem);letter-spacing:-.01em;line-height:.98;text-wrap:balance}
h2{font-size:clamp(1.7rem,2.6vw + .5rem,2.4rem)}
h3{font-size:1.1rem;text-transform:none;font-weight:600}
h4{font-size:.95rem;text-transform:uppercase}

.container{max-width:var(--container);margin:0 auto;padding:0 24px}
.text-red{color:var(--c-red)}
section{position:relative}

.eyebrow{
  font-family:var(--font-mono);
  font-size:.72rem;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--c-red);
  margin-bottom:.9rem;
  display:flex;
  align-items:center;
  gap:.6rem;
}
/* Marca de registro tipo plano técnico */
.eyebrow::before{content:'+';color:var(--c-gray-600);font-weight:700}
.section-head.light .eyebrow::before,
.hero .eyebrow::before,
.page-hero .eyebrow::before{color:rgba(255,255,255,.35)}
.section-head{max-width:62ch;margin-bottom:3rem}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-head.center .eyebrow{justify-content:center}
.section-head.light h2,.section-head.light .eyebrow{color:var(--c-white)}
.section-head p{color:var(--c-gray-600);margin-top:.8rem}
.section-head.light p{color:var(--c-gray-300)}

:focus-visible{outline:2px solid var(--c-red);outline-offset:3px}

/* Buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  padding:.85rem 1.6rem;
  font-family:var(--font-display);
  font-size:.85rem;letter-spacing:.05em;text-transform:uppercase;
  clip-path:polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, var(--cut) 100%, 0 calc(100% - var(--cut)));
  transition:transform var(--transition), background var(--transition), color var(--transition), border-color var(--transition);
  white-space:nowrap;
}
.btn:hover{transform:translateY(-2px)}
.btn-primary{background:var(--c-red);color:var(--c-white)}
.btn-primary:hover{background:var(--c-red-dark)}
.btn-ghost{border:1.5px solid var(--c-black);color:var(--c-black)}
.btn-ghost:hover{border-color:var(--c-red);color:var(--c-red)}
.btn-white{background:var(--c-white);color:var(--c-black)}
.btn-white:hover{background:var(--c-gray-100)}
.btn-whatsapp{background:#25D366;color:var(--c-white)}
.btn-whatsapp:hover{background:#1EBE57}
.btn-lg{padding:1rem 2rem;font-size:.9rem;--cut:18px}
.btn-block{width:100%}
.btn-row{display:flex;gap:1rem;flex-wrap:wrap}

/* Reveal on scroll */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .6s ease, transform .6s ease}
.reveal.is-visible{opacity:1;transform:none}

/* Image placeholder (usado donde el cliente pondrá fotografía real) */
.img-placeholder{
  position:relative;overflow:hidden;border-radius:var(--radius);
  background:linear-gradient(135deg,var(--c-black) 0%,var(--c-black-soft) 60%,#242427 100%);
  min-height:200px;display:flex;align-items:flex-end;
  border-top:3px solid var(--c-red);
}
.img-placeholder::before{
  content:'';position:absolute;inset:0;opacity:.15;
  background-image:linear-gradient(var(--c-red) 1px, transparent 1px), linear-gradient(90deg, var(--c-red) 1px, transparent 1px);
  background-size:26px 26px;
}
.img-placeholder-label{
  position:relative;padding:1rem 1.1rem;color:var(--c-white);
  font-family:var(--font-mono);font-size:.72rem;letter-spacing:.04em;
  background:linear-gradient(0deg, rgba(0,0,0,.75), transparent);
  width:100%;
}
.img-placeholder img{
  position:absolute;inset:0;width:100%;height:100%;
  object-fit:cover;object-position:center;
}

/* ============================================
   HEADER + MEGA MENU
   ============================================ */
.site-header{
  position:sticky;top:0;z-index:200;
  background:rgba(255,255,255,.95);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--c-gray-300);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:76px}
.brand{display:flex;align-items:center;height:100%}
.brand-logo{height:40px;width:auto}
.brand-fallback{font-family:var(--font-display);font-size:1.3rem;text-transform:uppercase;letter-spacing:.02em;color:var(--c-black)}
.brand-fallback em{color:var(--c-red);font-style:normal}

.main-nav{display:flex;gap:1.9rem;align-items:center}
.main-nav>a,.nav-item>button{font-size:.88rem;font-weight:500;position:relative;padding:.3rem 0;display:inline-flex;align-items:center;gap:.35rem}
.main-nav>a::after,.nav-item>button::after{content:'';position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--c-red);transition:width var(--transition)}
.main-nav>a:hover::after{width:100%}
.nav-item{position:relative}
.nav-caret{font-size:.6rem;transition:transform var(--transition)}
.nav-item.is-open .nav-caret{transform:rotate(180deg)}
.nav-item.is-open>button::after{width:100%}

.mega-dropdown{
  position:absolute;top:calc(100% + 14px);left:50%;transform:translateX(-50%);
  background:var(--c-white);border:1px solid var(--c-gray-300);border-radius:var(--radius);
  box-shadow:0 18px 40px rgba(0,0,0,.12);
  width:340px;padding:.6rem;
  opacity:0;visibility:hidden;translate:0 8px;
  transition:opacity var(--transition), visibility var(--transition), translate var(--transition);
}
.nav-item.is-open .mega-dropdown{opacity:1;visibility:visible;translate:0 0}
.mega-dropdown a{display:block;padding:.7rem .8rem;border-radius:var(--radius);font-size:.86rem}
.mega-dropdown a:hover{background:var(--c-gray-100);color:var(--c-red)}

.header-actions{display:flex;align-items:center;gap:1.2rem}
.header-phone{display:none;font-family:var(--font-mono);font-size:.82rem}

.lang-switch{display:flex;align-items:center;gap:.4rem}
.lang-link{
  display:flex;width:26px;height:18px;border-radius:3px;overflow:hidden;
  border:1px solid rgba(0,0,0,.18);opacity:.5;
  transition:opacity var(--transition), box-shadow var(--transition);
}
.lang-link img{width:100%;height:100%;object-fit:cover;display:block}
.lang-link:hover{opacity:.85}
.lang-link.is-active{opacity:1;box-shadow:0 0 0 2px var(--c-red)}

.nav-toggle{display:none;flex-direction:column;gap:5px;width:26px}
.nav-toggle span{height:2px;background:var(--c-black);width:100%;transition:transform var(--transition), opacity var(--transition)}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ============================================
   PAGE HERO (páginas internas)
   ============================================ */
.page-hero{background:var(--c-black);color:var(--c-white);padding:4.5rem 0 3.5rem;position:relative;overflow:hidden;background-image:var(--lamination)}
.page-hero-bg{position:absolute;inset:0;opacity:.12;background-image:linear-gradient(var(--c-red) 1px, transparent 1px), linear-gradient(90deg, var(--c-red) 1px, transparent 1px);background-size:40px 40px;mask-image:radial-gradient(circle at 20% 20%, black, transparent 70%)}
/* Marca de registro — mismo motivo que el hero de inicio */
.page-hero::before{
  content:'';position:absolute;top:24px;left:24px;width:22px;height:22px;
  border:1px solid rgba(217,30,44,.35);border-right:none;border-bottom:none;
  z-index:2;pointer-events:none;
}
.page-hero-inner{position:relative;z-index:3;display:grid;grid-template-columns:1.15fr .85fr;gap:3rem;align-items:center}
.page-hero h1{color:var(--c-white);margin-bottom:1.1rem;font-size:clamp(2.3rem,3.8vw + .5rem,3.6rem)}
.page-hero p{color:var(--c-gray-300);max-width:60ch;margin-bottom:1.6rem}
.page-hero .img-placeholder{min-height:280px}
.cert-row{display:flex;align-items:center;gap:.9rem;margin:1.4rem 0;flex-wrap:wrap}
.cert-badge{
  flex-shrink:0;width:60px;height:60px;border-radius:12px;
  background:var(--c-white);padding:8px;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 10px 24px rgba(0,0,0,.28);
  transition:transform var(--transition);
}
.cert-badge:hover{transform:translateY(-3px)}
.cert-badge img{max-width:100%;max-height:100%;object-fit:contain}
.cert-row p{max-width:26ch;color:var(--c-gray-300);font-size:.85rem;margin:0}

/* ============================================
   HOME HERO
   ============================================ */
.hero{position:relative;background:var(--c-black);color:var(--c-white);overflow:hidden;padding:5rem 0 4.5rem;border-bottom:1px solid rgba(255,255,255,.08)}
.hero-media{
  position:absolute;inset:0;
  background:
    linear-gradient(90deg, rgba(8,8,9,.85) 0%, rgba(8,8,9,.55) 32%, rgba(8,8,9,.18) 60%, rgba(8,8,9,.45) 100%),
    linear-gradient(0deg, rgba(8,8,9,.65) 0%, rgba(8,8,9,.05) 38%, rgba(8,8,9,.02) 70%, rgba(8,8,9,.4) 100%),
    url("../img/hero-transformador-us-electric.jpg");
  background-size:cover;
  background-position:center 40%;
}
/* Marcas de registro de plano técnico en las esquinas */
.hero::before,.hero::after{
  content:'';position:absolute;width:26px;height:26px;
  border:1px solid rgba(217,30,44,.35);z-index:2;pointer-events:none;
}
.hero::before{top:28px;left:24px;border-right:none;border-bottom:none}
.hero::after{bottom:28px;right:24px;border-left:none;border-top:none}

.hero-inner{position:relative;z-index:3}
.hero-copy{max-width:640px}
.hero h1{color:var(--c-white);margin-bottom:1rem}
.hero-sub{font-size:1.05rem;color:var(--c-gray-300);max-width:52ch;margin:0 0 1.8rem}

.check-list{display:grid;grid-template-columns:1fr 1fr;gap:.7rem 1.4rem;margin-bottom:2rem;font-size:.88rem}
.check-list li{display:flex;align-items:center;gap:.4rem;color:var(--c-gray-100)}
.check-list li::before{content:'✔';color:var(--c-red);font-size:.8rem}

.hero-cta-row{display:flex;gap:1rem;flex-wrap:wrap;margin-bottom:0}
.hero .btn-ghost{border-color:var(--c-gray-300);color:var(--c-white)}
.hero .btn-ghost:hover{border-color:var(--c-red);color:var(--c-red)}

/* ============================================
   SERVICIOS DESTACADOS
   ============================================ */
.services{padding:6rem 0;background:var(--c-gray-100)}
.services-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.4rem}
.service-card{background:var(--c-white);border-radius:var(--radius);overflow:hidden;border:1px solid var(--c-gray-300);display:flex;flex-direction:column;transition:transform var(--transition), box-shadow var(--transition)}
.service-card:hover{transform:translateY(-5px);box-shadow:0 18px 30px rgba(0,0,0,.08)}
.service-card .img-placeholder{border-radius:0;min-height:140px}
.service-card .img-placeholder img{cursor:zoom-in}
.service-card-body{padding:1.5rem;display:flex;flex-direction:column;gap:.6rem;flex-grow:1}
.service-card-body p{color:var(--c-gray-600);font-size:.9rem;flex-grow:1}
.service-card-link{font-family:var(--font-display);text-transform:uppercase;font-size:.8rem;color:var(--c-red);letter-spacing:.03em}

/* ============================================
   CAPABILITIES / INFRAESTRUCTURA
   ============================================ */
.capabilities{padding:6rem 0}
.capabilities-grid{display:grid;grid-template-columns:1fr 1fr;gap:3rem;align-items:center;margin-bottom:3.5rem}
.capabilities-grid .img-placeholder{min-height:320px}
.capabilities-copy p{color:var(--c-gray-600)}
.capability-blocks{display:grid;grid-template-columns:repeat(4,1fr);gap:1.4rem}
.capability-block{border-top:3px solid var(--c-red);padding-top:1.1rem}
.capability-block h4{margin-bottom:.5rem}
.capability-block p{color:var(--c-gray-600);font-size:.86rem}

/* ============================================
   ABOUT (Quiénes somos)
   ============================================ */
.about{padding:6rem 0;background:var(--c-gray-100)}
.about-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:3.5rem;align-items:center}
.about-grid .img-placeholder{min-height:0;aspect-ratio:1600 / 949}
.img-hover-fade .img-hover{opacity:0;transition:opacity 1.2s cubic-bezier(.4,0,.2,1)}
.img-hover-fade:hover .img-hover{opacity:1}
.about-copy p{color:var(--c-gray-600);margin-bottom:1.4rem;max-width:60ch}

/* ============================================
   PRODUCTS GRID
   ============================================ */
.products{padding:6rem 0}
.products-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:1.2rem;margin-bottom:2.5rem}
.product-card{border-radius:var(--radius);overflow:hidden;border:1px solid var(--c-gray-300)}
.product-card .img-placeholder{aspect-ratio:3 / 4;min-height:0;border-radius:0}
.product-card .img-placeholder img{cursor:zoom-in}
.product-card-body{padding:1.2rem 1.1rem}
.product-tag{font-family:var(--font-display);text-transform:uppercase;font-size:.92rem;display:block;margin-bottom:.4rem}
.product-card-body p{color:var(--c-gray-600);font-size:.82rem}
.product-cap{font-family:var(--font-mono);font-size:.72rem;color:var(--c-red);display:block;margin-top:.5rem}

/* ============================================
   PROYECTOS
   ============================================ */
.projects{padding:6rem 0;background:var(--c-gray-100)}
.projects-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1.2rem;margin-bottom:2.5rem}
.project-card{border-radius:var(--radius);overflow:hidden;position:relative}
.project-card .img-placeholder{min-height:220px;border-radius:0;align-items:flex-end}
.project-card .img-placeholder img{cursor:zoom-in}
.project-card-label strong{display:block;font-family:var(--font-impact);font-weight:800;text-transform:uppercase;font-size:1.5rem;line-height:1;color:var(--c-red);font-variant-numeric:tabular-nums}
.project-card-label strong:empty{display:none}
.project-card-label{color:var(--c-white)}

/* ============================================
   POLÍTICA DE CALIDAD
   ============================================ */
.quality{padding:5.5rem 0;background:var(--c-gray-100)}
.policy-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.4rem;margin-top:2.5rem}
.policy-block{background:var(--c-white);border-top:3px solid var(--c-red);border-radius:var(--radius);padding:1.6rem 1.5rem;display:flex;flex-direction:column}
.policy-block-wide{grid-column:span 3}
.policy-block h4{margin-bottom:.7rem}
.policy-block p{color:var(--c-gray-600);font-size:.92rem;flex-grow:1}
.policy-block-wide p{font-size:1.02rem;color:var(--c-black)}
.policy-values{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:.7rem;flex-grow:1}
.policy-values li{color:var(--c-gray-600);font-size:.88rem}
.policy-values strong{color:var(--c-black);display:block;font-family:var(--font-display);text-transform:uppercase;font-size:.82rem;letter-spacing:.02em;margin-bottom:.15rem}
.policy-rev{font-family:var(--font-mono);font-size:.68rem;color:var(--c-gray-300);letter-spacing:.04em;margin-top:1.2rem;align-self:flex-end}

/* ============================================
   AVISO DE PRIVACIDAD / LEGAL
   ============================================ */
.legal{padding:5rem 0 6rem}
.legal-content{max-width:760px}
.legal-content p{color:var(--c-gray-600);margin-bottom:1.2rem;font-size:.96rem}
.legal-content h2{
  font-family:var(--font-display);text-transform:uppercase;font-weight:600;
  font-size:1.15rem;color:var(--c-black);margin:2.4rem 0 1rem;
  padding-bottom:.6rem;border-bottom:2px solid var(--c-red);
}
.legal-content h2:first-of-type{margin-top:0}
.legal-content ul{margin-bottom:1.2rem}
.legal-content .plain-list li{color:var(--c-gray-600);font-size:.96rem}

/* ============================================
   CLIENTES
   ============================================ */
.clients{background:var(--c-black);padding:4.5rem 0 4rem;background-image:var(--lamination)}
.clients h2{color:var(--c-white);margin-bottom:0}
.clients .container{margin-bottom:3rem}

.clients-marquee{
  overflow:hidden;
  -webkit-mask-image:linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent);
  mask-image:linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent);
}
.clients-track{
  display:flex;align-items:center;gap:3rem;width:max-content;
  animation:clients-scroll 40s linear infinite;
}
.clients-marquee:hover .clients-track{animation-play-state:paused}

.client-card{
  display:grid;place-items:center;
  flex:0 0 auto;
  width:150px;height:66px;
}
.client-card img{
  grid-area:1 / 1;
  max-height:34px;max-width:150px;width:auto;height:auto;object-fit:contain;
}
.client-card-gray{
  opacity:.7;
  transition:opacity var(--transition);
}
.client-card-color{
  opacity:0;
  transition:opacity var(--transition);
}
.client-card:hover .client-card-gray{opacity:0}
.client-card:hover .client-card-color{opacity:1}

/* Ajustes de tamaño por logo: cada uno tiene su propio nivel de detalle,
   así que no todos se leen igual de bien al mismo alto */
.client-card img[src*="uanl"]{max-height:66px}         /* escudo con mucho detalle */
.client-card img[src*="rymco"]{max-height:56px}        /* lleva texto pequeño (calidad 360 / url) */
.client-card img[src*="deacero"]{max-height:42px}      /* letras de contorno delgado */
.client-card img[src*="electrogaza"]{max-height:42px}  /* lleva subtítulo pequeño */
.client-card img[src*="nissan"]{max-height:40px}       /* aro delgado, se pierde muy chico */
.client-card img[src*="toyota"]{max-height:46px}       /* se veía muy chico */
.client-card img[src*="alestra"]{max-height:48px}      /* se veía muy chico */
.client-card img[src*="ragasa"]{max-height:46px}       /* se veía muy chico */
.client-card img[src*="hubard"]{max-height:44px}
.client-card img[src*="huntington"]{max-height:44px}
.client-card-text{
  color:rgba(255,255,255,.4);font-family:var(--font-display);text-transform:uppercase;
  font-size:.85rem;letter-spacing:.03em;font-weight:600;white-space:nowrap;text-align:center;
  transition:color var(--transition);
}
.client-card:hover .client-card-text{color:var(--c-white)}

@keyframes clients-scroll{
  from{transform:translateX(-50%)}
  to{transform:translateX(0)}
}

/* ============================================
   GALERÍA MOSAICO
   ============================================ */
.gallery{padding:6rem 0}
.gallery-grid{display:grid;grid-template-columns:repeat(5,1fr);grid-auto-rows:120px;grid-auto-flow:dense;gap:.7rem}
.gallery-grid .img-placeholder{border-radius:2px;min-height:0;height:100%}
.gallery-grid .img-placeholder img{cursor:zoom-in}
.gallery-grid .g-tall{grid-row:span 2}
.gallery-grid .g-wide{grid-column:span 2}

/* ============================================
   FAQ ACORDEÓN
   ============================================ */
.faq{padding:6rem 0;background:var(--c-gray-100)}
.faq-list{max-width:760px;margin:0 auto}
.faq-item{border-bottom:1px solid var(--c-gray-300)}
.faq-question{
  width:100%;display:flex;justify-content:space-between;align-items:center;
  padding:1.3rem 0;text-align:left;font-family:var(--font-display);text-transform:uppercase;
  font-size:.95rem;letter-spacing:.01em;
}
.faq-question .faq-caret{color:var(--c-red);transition:transform var(--transition);font-size:.9rem}
.faq-item.is-open .faq-caret{transform:rotate(180deg)}
.faq-answer{max-height:0;overflow:hidden;transition:max-height var(--transition)}
.faq-answer p{color:var(--c-gray-600);padding-bottom:1.3rem;max-width:64ch}

/* ============================================
   COBERTURA
   ============================================ */
.coverage{padding:6rem 0}
.coverage-grid{display:grid;grid-template-columns:1fr 1fr;gap:3rem;align-items:center}
.coverage-grid .img-placeholder{min-height:300px}
.map-embed{
  position:relative;min-height:300px;border-radius:var(--radius);overflow:hidden;
  border-top:3px solid var(--c-red);
  filter:grayscale(.15) contrast(1.05);
}
.map-embed iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.coverage-list{display:grid;grid-template-columns:1fr 1fr;gap:1rem;margin-top:1.6rem}
.coverage-list li{display:flex;gap:.5rem;font-size:.9rem;color:var(--c-gray-600)}
.coverage-list li::before{content:'✔';color:var(--c-red)}

/* ============================================
   CTA BANNER
   ============================================ */
.cta-banner{background:var(--c-red);padding:3.6rem 0}
.cta-banner-inner{display:flex;align-items:center;justify-content:space-between;gap:2rem;flex-wrap:wrap}
.cta-banner h2{font-family:var(--font-impact);font-weight:800;color:var(--c-white);max-width:24ch;margin:0;font-size:clamp(1.8rem,3.2vw + .5rem,2.8rem);line-height:.99;text-wrap:balance}
.cta-banner p{color:rgba(255,255,255,.85);margin-top:.5rem;max-width:44ch}
.cta-banner .btn-white{color:var(--c-red-dark)}

/* ============================================
   STATS BAND
   ============================================ */
.stats-band{background:var(--c-black);padding:3.5rem 0;background-image:var(--lamination)}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1.5rem;text-align:center}
.stats-grid strong{display:block;font-family:var(--font-impact);font-weight:800;font-size:2.8rem;color:var(--c-red);font-variant-numeric:tabular-nums}
.stats-grid span{color:var(--c-gray-300);font-size:.82rem}

/* ============================================
   CONTACTO
   ============================================ */
.contact{padding:6rem 0;background:var(--c-gray-100)}
.contact-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:3.5rem}
.contact-copy p{color:var(--c-gray-600);margin-bottom:1.8rem}
.contact-info{display:flex;flex-direction:column;gap:1.1rem}
.contact-info li{display:flex;flex-direction:column;gap:.15rem;border-bottom:1px solid var(--c-gray-300);padding-bottom:.9rem}
.contact-info strong{font-family:var(--font-mono);font-size:.7rem;text-transform:uppercase;letter-spacing:.08em;color:var(--c-red)}
.contact-info a:hover{color:var(--c-red)}
.contact-quick{display:flex;gap:1rem;margin-top:1.6rem;flex-wrap:wrap}

.contact-form{display:flex;flex-direction:column;gap:1.1rem;background:var(--c-white);padding:2.2rem;border-radius:var(--radius);border:1px solid var(--c-gray-300);background-image:var(--rivet-corners)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:1.1rem}
.contact-form label{display:flex;flex-direction:column;gap:.4rem;font-size:.82rem;font-weight:500;color:var(--c-black)}
.contact-form input,.contact-form textarea,.contact-form select{
  border:1px solid var(--c-gray-300);border-radius:var(--radius);padding:.75rem .9rem;background:var(--c-white);
  transition:border-color var(--transition);
}
.contact-form input:focus,.contact-form textarea:focus,.contact-form select:focus{border-color:var(--c-red)}
.form-note{color:#1a7a3c;font-size:.85rem;font-weight:600}
.form-note-error{color:var(--c-red-dark)}

/* ============================================
   OTROS SERVICIOS (páginas de servicio)
   ============================================ */
.other-services{padding:5.5rem 0;background:var(--c-gray-100)}
.other-services-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:1rem}
.other-service-card{background:var(--c-white);border-radius:var(--radius);padding:1.4rem 1rem;border:1px solid var(--c-gray-300);text-align:center;font-size:.82rem;font-family:var(--font-display);text-transform:uppercase;transition:border-color var(--transition), color var(--transition);background-image:var(--rivet-corners)}
.other-service-card:hover{border-color:var(--c-red);color:var(--c-red)}

/* Bullets con check para páginas de servicio */
.check-grid{display:grid;grid-template-columns:1fr 1fr;gap:.9rem;margin:1.6rem 0}
.check-grid li{display:flex;gap:.55rem;font-size:.92rem}
.check-grid li::before{content:'✔';color:var(--c-red);flex-shrink:0}
.plain-list{display:flex;flex-direction:column;gap:.6rem;margin:1.6rem 0}
.plain-list li{font-size:.92rem;color:var(--c-gray-600);padding-left:1rem;border-left:2px solid var(--c-red)}
.two-col-lists{display:grid;grid-template-columns:1fr 1fr;gap:2.5rem}

/* ============================================
   FOOTER
   ============================================ */
.site-footer{background:var(--c-black);color:var(--c-gray-300);padding:4rem 0 1.5rem;border-top:1px solid var(--c-red);background-image:var(--lamination)}
.footer-inner{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:2rem;padding-bottom:2.5rem;border-bottom:1px solid rgba(255,255,255,.15)}
.footer-brand .brand-fallback{color:var(--c-white)}
.footer-brand p{margin-top:.8rem;font-size:.85rem;max-width:32ch}
.footer-nav{display:flex;flex-direction:column;gap:.7rem;font-size:.88rem}
.footer-social{display:flex;flex-direction:column;gap:.7rem;font-size:.88rem}
.footer-nav a:hover,.footer-social a:hover{color:var(--c-red)}
.footer-bottom{padding-top:1.5rem;font-size:.78rem;color:var(--c-gray-600)}

/* ============================================
   FLOATING BUTTONS
   ============================================ */
.whatsapp-float{
  position:fixed;right:1.4rem;bottom:1.4rem;z-index:150;
  width:56px;height:56px;border-radius:50%;
  background:#25D366;color:var(--c-white);
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 10px 26px rgba(0,0,0,.28);
  transition:transform var(--transition);
}
.whatsapp-float:hover{transform:scale(1.08)}
.whatsapp-float svg{width:28px;height:28px}

.back-to-top{
  position:fixed;right:1.4rem;bottom:5.6rem;
  width:42px;height:42px;border-radius:50%;
  background:var(--c-black);color:var(--c-white);
  display:flex;align-items:center;justify-content:center;
  font-size:1.05rem;opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity var(--transition), transform var(--transition), visibility var(--transition);
  z-index:150;
}
.back-to-top.is-visible{opacity:1;visibility:visible;transform:none}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (min-width:900px){.header-phone{display:block}}

@media (max-width:900px){
  .main-nav{
    position:fixed;top:76px;left:0;right:0;bottom:0;
    background:var(--c-white);overflow-y:auto;
    flex-direction:column;align-items:stretch;gap:0;
    padding:1rem 24px 2rem;
    transform:translateX(100%);
    transition:transform var(--transition);
    z-index:199;
  }
  .main-nav.is-open{transform:translateX(0)}
  .main-nav>a{padding:1rem 0;border-bottom:1px solid var(--c-gray-300);font-size:1.02rem}
  .nav-item{border-bottom:1px solid var(--c-gray-300)}
  .nav-item>button{padding:1rem 0;width:100%;justify-content:space-between;font-size:1.02rem}
  .mega-dropdown{position:static;transform:none;width:100%;box-shadow:none;border:none;display:none;padding:0 0 .6rem;translate:0}
  .nav-item.is-open .mega-dropdown{display:block;opacity:1;visibility:visible}
  .nav-toggle{display:flex}
  .header-actions .btn{display:none}

  .page-hero-inner{grid-template-columns:1fr}
  .capabilities-grid,.about-grid,.coverage-grid{grid-template-columns:1fr}
  .capability-blocks{grid-template-columns:1fr 1fr}
  .policy-grid{grid-template-columns:1fr}
  .policy-block-wide{grid-column:span 1}
  .services-grid,.products-grid,.projects-grid{grid-template-columns:1fr 1fr}
  .client-card{width:120px}
  .gallery-grid{grid-template-columns:repeat(2,1fr);grid-auto-rows:110px}
  .other-services-grid{grid-template-columns:repeat(2,1fr)}
  .two-col-lists,.check-grid,.coverage-list{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:1fr 1fr}
  .contact-grid{grid-template-columns:1fr}
  .cta-banner-inner{flex-direction:column;text-align:center}
  .footer-inner{grid-template-columns:1fr}
}

/* ============================================
   LIGHTBOX (vista previa de imágenes)
   ============================================ */
.lightbox-overlay{
  position:fixed;inset:0;z-index:1000;padding:3rem 1.5rem;
  background:rgba(11,11,12,.94);
  display:flex;align-items:center;justify-content:center;
  opacity:0;visibility:hidden;transition:opacity .25s ease;
}
.lightbox-overlay.is-open{opacity:1;visibility:visible}
.lightbox-overlay .lightbox-img{
  max-width:min(92vw,1100px);max-height:85vh;object-fit:contain;
  border-top:3px solid var(--c-red);box-shadow:0 20px 60px rgba(0,0,0,.5);
}
.lightbox-close{
  position:absolute;top:1.3rem;right:1.3rem;width:44px;height:44px;border-radius:50%;
  background:var(--c-black-soft);color:var(--c-white);border:1px solid rgba(255,255,255,.2);
  font-size:1.6rem;line-height:1;cursor:pointer;display:flex;align-items:center;justify-content:center;
}
.lightbox-close:hover{background:var(--c-red)}

@media (max-width:560px){
  .services-grid,.products-grid,.projects-grid,.stats-grid,.other-services-grid,.policy-grid{grid-template-columns:1fr}
  .policy-block-wide{grid-column:span 1}
  .form-row{grid-template-columns:1fr}
  .check-list{grid-template-columns:1fr;gap:.6rem;font-size:.85rem}
  .gallery-grid{grid-template-columns:1fr 1fr}
  .hero::before,.hero::after,.page-hero::before{display:none}
}