/* =========================================================
   KENDRIX · ESTILO TÉCNICO
   Tipografía IBM Plex (incluida en assets/fonts),
   fondo tipo plano, numeración y fichas técnicas.
   ========================================================= */

@font-face{font-family:"Plex";src:url("assets/fonts/ibm-plex-sans-latin-400-normal.woff2") format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:"Plex";src:url("assets/fonts/ibm-plex-sans-latin-500-normal.woff2") format("woff2");font-weight:500;font-display:swap}
@font-face{font-family:"Plex";src:url("assets/fonts/ibm-plex-sans-latin-600-normal.woff2") format("woff2");font-weight:600;font-display:swap}
@font-face{font-family:"Plex";src:url("assets/fonts/ibm-plex-sans-latin-700-normal.woff2") format("woff2");font-weight:700;font-display:swap}
@font-face{font-family:"Plex Mono";src:url("assets/fonts/ibm-plex-mono-latin-500-normal.woff2") format("woff2");font-weight:500;font-display:swap}

:root{
  --navy:#0a1f3c;
  --navy-2:#0e2a50;
  --navy-3:#06152b;
  --cyan:#00b4e6;
  --cyan-texto:#00759c;
  --tinta:#0a1f3c;
  --texto:#2a3a52;
  --apagado:#5b6b82;
  --linea:#d9e1ea;
  --linea-suave:#e8edf3;
  --papel:#e3e9ef;
  --blanco:#f4f7fa;
  --fondo:#ebf0f4;
  --cabecera:rgba(235,240,244,.94);
  --rejilla:rgba(10,31,60,.075);
  --rejilla-fina:rgba(10,31,60,.035);
  --sombra:rgba(10,31,60,.4);
  --btn-fondo:var(--navy);
  --btn-texto:#fff;
  --btn-hover:var(--cyan-texto);
  --franja:var(--navy);
  --pie:var(--navy-3);
  --container:1200px;
  --sans:"Plex",ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  --mono:"Plex Mono",ui-monospace,"SFMono-Regular",Menlo,Consolas,monospace;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:84px;overflow-x:hidden}
body{margin:0;font-family:var(--sans);color:var(--texto);background:var(--fondo);line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3{color:var(--tinta);font-weight:600;letter-spacing:-.02em;margin:0}

.container{width:min(calc(100% - 48px),var(--container));margin-inline:auto}
.skip-link{position:absolute;left:12px;top:-60px;z-index:100;background:var(--navy);color:#fff;padding:10px 16px;font-weight:600}
.skip-link:focus{top:12px}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px}
.icon{width:1em;height:1em;fill:currentColor;flex-shrink:0}

/* ---------- Fondos tipo plano ---------- */

.plano{
  background-color:var(--papel);
  background-image:
    linear-gradient(var(--rejilla) 1px,transparent 1px),
    linear-gradient(90deg,var(--rejilla) 1px,transparent 1px),
    linear-gradient(var(--rejilla-fina) 1px,transparent 1px),
    linear-gradient(90deg,var(--rejilla-fina) 1px,transparent 1px);
  background-size:120px 120px,120px 120px,24px 24px,24px 24px;
  background-position:-1px -1px;
}
.plano-oscuro{
  background-color:var(--franja);
  background-image:
    linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px),
    linear-gradient(rgba(255,255,255,.025) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.025) 1px,transparent 1px);
  background-size:120px 120px,120px 120px,24px 24px,24px 24px;
}

/* ---------- Marco con marcas de corte ---------- */

.marco{position:relative;margin:0}
.marco::before,.marco::after{content:"";position:absolute;width:16px;height:16px;border:2px solid var(--cyan);z-index:2;pointer-events:none}
.marco::before{top:-7px;left:-7px;border-right:0;border-bottom:0}
.marco::after{bottom:-7px;right:-7px;border-left:0;border-top:0}

figure.marco img{width:100%;height:100%;object-fit:cover;filter:saturate(.88) contrast(1.04)}
figure.marco figcaption{
  position:absolute;left:0;bottom:0;z-index:1;
  display:flex;gap:10px;align-items:center;
  background:rgba(10,31,60,.92);color:#fff;
  font-size:13px;font-weight:500;padding:8px 12px;
}
figure.marco figcaption span{font-family:var(--mono);font-size:11px;color:var(--cyan);letter-spacing:.04em}

/* ---------- Cabecera ---------- */

.site-header{position:sticky;top:0;z-index:50;background:var(--cabecera);backdrop-filter:blur(8px);border-bottom:1px solid var(--linea)}
.header-inner{min-height:76px;display:flex;align-items:center;gap:28px;position:relative}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand img{width:48px;height:44px;object-fit:contain}
.brand-text{display:flex;flex-direction:column;line-height:1}
.brand-text strong{font-size:21px;font-weight:700;letter-spacing:.06em;color:var(--tinta)}
.brand-text small{font-family:var(--mono);font-size:10px;letter-spacing:.06em;color:var(--cyan-texto);margin-top:5px;text-transform:uppercase}

.main-nav{display:flex;align-items:center;gap:30px;margin-left:auto;font-weight:500;font-size:15px;color:var(--tinta)}
.main-nav a{display:flex;align-items:baseline;gap:6px;padding:8px 0;border-bottom:2px solid transparent;transition:border-color .15s,color .15s}
.main-nav a:hover{color:var(--cyan-texto);border-bottom-color:var(--cyan)}
.nav-num{font-family:var(--mono);font-size:10px;color:var(--cyan-texto)}

.phone-button{display:inline-flex;align-items:center;gap:10px;background:var(--navy);color:#fff;padding:12px 18px;font-weight:600;white-space:nowrap;transition:background .15s}
.phone-button:hover{background:var(--navy-2)}
.phone-icon{color:var(--cyan);font-size:18px}

.menu-toggle,.mobile-call{display:none}
.menu-toggle{border:0;background:transparent;width:44px;height:44px;padding:10px;cursor:pointer}
.menu-toggle span{display:block;height:2px;background:var(--tinta);margin:6px 0}

/* ---------- Botones ---------- */

.btn{display:inline-flex;align-items:center;justify-content:center;min-height:52px;padding:12px 24px;font-weight:600;font-size:16px;border:1.5px solid transparent;transition:background .15s,color .15s,border-color .15s}
.btn-primary{background:var(--btn-fondo);color:var(--btn-texto)}
.btn-primary:hover{background:var(--btn-hover)}
.btn-secundario{border-color:var(--tinta);color:var(--tinta);background:transparent}
.btn-secundario:hover{background:var(--tinta);color:var(--fondo)}

/* ---------- Portada ---------- */

.hero{border-bottom:1px solid var(--linea)}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:64px;align-items:center;padding:84px 0 64px}
.etiqueta{font-family:var(--mono);font-size:12px;letter-spacing:.06em;color:var(--cyan-texto);text-transform:uppercase;margin:0 0 22px}
.hero h1{font-size:clamp(44px,5.6vw,76px);line-height:1.02;letter-spacing:-.035em;font-weight:600}
.hero h1 span{display:block;color:var(--cyan-texto)}
.hero-ambitos{list-style:none;padding:0;margin:30px 0 0;display:flex;flex-wrap:wrap;border-top:1px solid var(--linea);border-bottom:1px solid var(--linea)}
.hero-ambitos li{padding:12px 22px 12px 0;margin-right:22px;font-weight:600;color:var(--tinta);position:relative}
.hero-ambitos li:not(:last-child)::after{content:"";position:absolute;right:0;top:50%;width:1px;height:16px;background:var(--linea);transform:translateY(-50%)}
.hero-ambitos li::before{content:"";display:inline-block;width:7px;height:7px;background:var(--cyan);margin-right:10px;vertical-align:2px}
.hero-intro{font-size:18px;max-width:600px;margin:24px 0 0;color:var(--texto)}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:34px}

.hero-media{position:relative;height:560px}
.hero-foto-principal{position:absolute;top:0;right:0;width:74%;height:88%;box-shadow:0 30px 60px -30px var(--sombra)}
.hero-foto-principal img{object-position:center 30%}
.hero-foto-secundaria{position:absolute;left:0;bottom:0;width:46%;height:52%;border:6px solid var(--papel);box-shadow:0 20px 40px -20px var(--sombra)}
.hero-foto-secundaria::before{display:none}
.cota{position:absolute;pointer-events:none}
.cota-vertical{right:-26px;top:0;height:88%;width:1px;background:var(--apagado);opacity:.45}
.cota-vertical::before,.cota-vertical::after{content:"";position:absolute;left:-5px;width:11px;height:1px;background:var(--apagado)}
.cota-vertical::before{top:0}
.cota-vertical::after{bottom:0}

.datos{display:grid;grid-template-columns:repeat(4,1fr);margin:0 0 64px;border:1px solid var(--linea);background:var(--blanco)}
.datos>div{padding:22px 24px;border-right:1px solid var(--linea)}
.datos>div:last-child{border-right:0}
.datos dt{font-size:40px;font-weight:600;line-height:1;color:var(--tinta);letter-spacing:-.03em}
.datos dd{margin:8px 0 0;font-size:14px;color:var(--apagado)}

/* ---------- Secciones ---------- */

.section{padding:104px 0}
.section-alt{background:var(--papel);border-block:1px solid var(--linea)}
.section-head{display:grid;grid-template-columns:220px minmax(0,1fr);gap:40px;margin-bottom:52px}
.section-num{font-family:var(--mono);font-size:13px;letter-spacing:.04em;text-transform:uppercase;color:var(--apagado);margin:10px 0 18px;display:flex;align-items:center;gap:10px}
.section-num span{color:var(--cyan-texto)}
.section-num::after{content:"";flex:1;max-width:60px;height:1px;background:var(--linea)}
.section-head .section-num{margin-top:12px}
.section h2{font-size:clamp(32px,3.6vw,46px);line-height:1.1;max-width:820px}
.section-lead{font-size:18px;color:var(--apagado);max-width:720px;margin:18px 0 0}

/* Servicios */
.service-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;border:1px solid var(--linea)}
.service-card{border-right:1px solid var(--linea);background:var(--blanco);transition:background .2s}
.service-card:last-child{border-right:0}
.service-card .foto{aspect-ratio:4/3;overflow:hidden;border-bottom:1px solid var(--linea)}
.service-card img{width:100%;height:100%;object-fit:cover;filter:saturate(.88) contrast(1.04);transition:transform .5s}
.service-card:hover img{transform:scale(1.04)}
.service-body{padding:22px 22px 28px}
.codigo{font-family:var(--mono);font-size:11px;color:var(--cyan-texto);margin:0 0 10px;letter-spacing:.06em}
.service-card h3{font-size:20px;margin-bottom:8px}
.service-card p:not(.codigo){font-size:15px;color:var(--apagado);margin:0}

/* Empresas */
.business-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:72px;align-items:center}
.business-photo{aspect-ratio:4/5}
.business-copy .section-num{margin-top:0}
.ficha{list-style:none;padding:0;margin:32px 0 30px;counter-reset:ficha;border-top:1px solid var(--linea)}
.ficha li{counter-increment:ficha;display:grid;grid-template-columns:48px 1fr;padding:14px 0;border-bottom:1px solid var(--linea);color:var(--texto)}
.ficha li::before{content:counter(ficha,decimal-leading-zero);font-family:var(--mono);font-size:12px;color:var(--cyan-texto);padding-top:3px}
.text-link{display:inline-flex;align-items:center;gap:8px;color:var(--cyan-texto);font-weight:600;border-bottom:1.5px solid currentColor;padding-bottom:2px}
.text-link:hover{color:var(--tinta)}

/* Proyectos */
.project-gallery{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}
.project-gallery figure{aspect-ratio:3/4}
.project-gallery img.foco-arriba{object-position:center 25%}

.referencias{margin-top:64px}
.referencias-titulo{font-family:var(--mono);font-size:13px;font-weight:500;letter-spacing:.06em;text-transform:uppercase;color:var(--apagado);margin-bottom:14px}
.referencias table{width:100%;border-collapse:collapse;font-size:16px}
.referencias th{font-family:var(--mono);font-size:11px;font-weight:500;letter-spacing:.06em;text-transform:uppercase;color:var(--apagado);text-align:left;padding:10px 16px 10px 0;border-bottom:1.5px solid var(--tinta)}
.referencias td{padding:16px 16px 16px 0;border-bottom:1px solid var(--linea);color:var(--texto)}
.referencias td:first-child{font-family:var(--mono);font-size:12px;color:var(--cyan-texto);width:80px}
.referencias td:nth-child(2){font-weight:600;color:var(--tinta)}
.referencias tbody tr{transition:background .15s}
.referencias tbody tr:hover{background:var(--papel)}
.tipo{display:inline-block;font-size:12px;font-weight:600;padding:3px 10px;border:1px solid var(--linea);color:var(--texto)}

/* Cobertura */
.coverage{color:#fff}
.coverage h2{color:#fff}
.coverage .section-lead{color:#b8c6d8}
.coverage .section-num{color:#8fa3bd}
.coverage .section-num span{color:var(--cyan)}
.coverage .section-num::after{background:rgba(255,255,255,.2)}
.coverage-grid{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,.8fr);gap:72px;align-items:center}
.coordenadas{margin:0;border-top:1px solid rgba(255,255,255,.2)}
.coordenadas>div{padding:20px 0;border-bottom:1px solid rgba(255,255,255,.2)}
.coordenadas dt{font-family:var(--mono);font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--cyan)}
.coordenadas dd{margin:6px 0 0;font-size:22px;font-weight:600;color:#fff}

/* Contacto */
.contacto-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:72px;align-items:center}
.contacto-panel{border:1px solid var(--linea);background:var(--blanco);padding:8px 32px 32px;box-shadow:0 30px 60px -40px var(--sombra)}
.contacto-fila{display:grid;grid-template-columns:110px 1fr;align-items:baseline;gap:16px;padding:20px 0;border-bottom:1px solid var(--linea)}
.contacto-fila strong{font-size:18px;font-weight:600;color:var(--tinta);overflow-wrap:anywhere}
a.contacto-fila:hover strong{color:var(--cyan-texto)}
.contacto-tipo{font-family:var(--mono);font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--apagado)}
.contacto-telefono{font-size:30px!important;letter-spacing:-.02em}
.contacto-acciones{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:28px}

/* ---------- Pie ---------- */

.site-footer{background:var(--pie);color:#fff;padding:44px 0 22px}
.footer-grid{display:grid;grid-template-columns:240px 1fr auto;align-items:center;gap:30px}
.footer-brand{display:flex;align-items:center;gap:10px}
.footer-brand img{width:44px;height:40px}
.footer-brand span{display:flex;flex-direction:column;line-height:1}
.footer-brand strong{font-size:19px;letter-spacing:.06em}
.footer-brand small{font-family:var(--mono);font-size:9px;letter-spacing:.06em;color:var(--cyan);margin-top:5px;text-transform:uppercase}
.footer-nav{display:flex;justify-content:center;gap:26px;font-size:14px;color:#c9d4e3}
.footer-nav a:hover{color:var(--cyan)}
.footer-contact{display:flex;flex-direction:column;gap:4px;text-align:right;font-size:14px}
.footer-contact a:first-child{color:var(--cyan);font-weight:600}
.footer-contact span{color:#8fa1b9}
.footer-legal{display:flex;justify-content:center;gap:22px;border-top:1px solid rgba(255,255,255,.1);margin-top:30px;padding-top:18px;font-size:13px;color:#b8c5d6}
.footer-legal a:hover{color:var(--cyan)}
.footer-bottom{margin-top:10px;color:#7f92ab;font-family:var(--mono);font-size:11px;text-align:center}

/* ---------- Páginas legales y 404 ---------- */

.legal-page{background:var(--fondo)}
.legal-header{background:var(--navy);color:#fff}
.legal-header .header-inner{min-height:72px;justify-content:space-between}
.legal-header .brand-text strong{color:#fff}
.legal-header .brand-text small{color:var(--cyan)}
.legal-header .phone-button{border:1px solid rgba(255,255,255,.2)}
.legal-main{padding:56px 0 88px}
.legal-card{background:var(--blanco);border:1px solid var(--linea);padding:clamp(24px,4vw,56px);max-width:960px;margin:auto}
.legal-card .section-kicker{font-family:var(--mono);font-size:12px;letter-spacing:.06em;color:var(--cyan-texto);margin:0 0 14px}
.legal-card h1{font-size:clamp(32px,5vw,48px);margin:0 0 16px}
.legal-card h2{font-size:22px;margin:36px 0 10px}
.legal-card p:not(.section-kicker),.legal-card li{color:var(--texto)}
.legal-card a{color:var(--cyan-texto);text-decoration:underline}
.legal-card ul{padding-left:22px}
.legal-note{background:var(--papel);border-left:3px solid var(--cyan);padding:14px 16px;margin:20px 0;color:var(--texto)}
.legal-card .back-link{display:inline-flex;margin-top:30px;color:var(--cyan-texto);font-weight:600;text-decoration:none}

/* ---------- Tablet ---------- */

@media (max-width:1080px){
  .main-nav{gap:20px;font-size:14px}
  .nav-num{display:none}
  .hero-grid{grid-template-columns:1fr;gap:56px;padding-top:64px}
  .hero-media{height:480px;max-width:640px;width:100%;margin-inline:auto}
  .datos{grid-template-columns:repeat(2,1fr)}
  .datos>div:nth-child(2){border-right:0}
  .datos>div:nth-child(-n+2){border-bottom:1px solid var(--linea)}
  .section-head{grid-template-columns:1fr;gap:0}
  .service-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .service-card:nth-child(2){border-right:0}
  .service-card:nth-child(-n+2){border-bottom:1px solid var(--linea)}
  .project-gallery{grid-template-columns:repeat(2,minmax(0,1fr))}
  .business-grid,.coverage-grid,.contacto-grid{grid-template-columns:1fr;gap:48px}
  .business-photo{aspect-ratio:16/10}
  .footer-grid{grid-template-columns:1fr 1fr}
  .footer-nav{justify-content:flex-end}
  .footer-contact{grid-column:1/-1;flex-direction:row;justify-content:center;gap:24px;text-align:center}
}

/* ---------- Móvil ---------- */

@media (max-width:820px){
  .container{width:calc(100% - 32px)}
  .header-inner{min-height:66px;gap:10px}
  .menu-toggle{display:block}
  .mobile-call{display:inline-flex;margin-left:auto;width:44px;height:44px;align-items:center;justify-content:center;background:var(--papel);border:1px solid var(--linea);color:var(--cyan-texto);font-size:19px}
  .header-phone{display:none}
  .main-nav{display:none;position:absolute;top:100%;left:-16px;right:-16px;background:var(--fondo);border-bottom:1px solid var(--linea);box-shadow:0 20px 30px -20px var(--sombra);padding:6px 16px 14px;flex-direction:column;align-items:stretch;gap:0;font-size:17px}
  .main-nav.open{display:flex}
  .main-nav a{padding:14px 4px;border-bottom:1px solid var(--linea-suave)}
  .main-nav a:last-child{border-bottom:0}
  .nav-num{display:inline;margin-right:6px}
  .section{padding:72px 0}
  .footer-grid{grid-template-columns:1fr;text-align:center}
  .footer-brand{justify-self:center}
  .footer-nav{justify-content:center;flex-wrap:wrap;gap:12px 20px}
  .footer-contact{flex-direction:column;gap:6px}
  .footer-legal{flex-wrap:wrap}
}

@media (max-width:600px){
  .brand img{width:40px;height:37px}
  .brand-text strong{font-size:18px}
  .brand-text small{font-size:9px}
  .hero-grid{padding:44px 0 40px;gap:40px}
  .hero h1{font-size:clamp(38px,11vw,48px)}
  .hero-ambitos{flex-direction:column}
  .hero-ambitos li{margin-right:0;padding:10px 0;border-bottom:1px solid var(--linea)}
  .hero-ambitos li:last-child{border-bottom:0}
  .hero-ambitos li::after{display:none}
  .hero-intro{font-size:16px}
  .hero-actions{flex-direction:column}
  .btn{width:100%}
  .hero-media{height:400px}
  .hero-foto-principal{width:78%;height:86%}
  .hero-foto-secundaria{width:50%;height:46%}
  .cota-vertical{display:none}
  .datos{margin-bottom:44px}
  .datos>div{padding:18px 16px}
  .datos dt{font-size:32px}
  .datos dd{font-size:13px}
  .section{padding:60px 0}
  .section h2{font-size:30px}
  .section-lead{font-size:16px}
  .service-grid{grid-template-columns:1fr}
  .service-card{border-right:0!important;border-bottom:1px solid var(--linea)}
  .service-card:last-child{border-bottom:0}
  .project-gallery{gap:16px}
  .referencias table thead{display:none}
  .referencias table,.referencias tbody{display:block}
  .referencias tr{display:grid;grid-template-columns:56px 1fr auto;column-gap:10px;padding:14px 0;border-bottom:1px solid var(--linea)}
  .referencias td{border:0;padding:0}
  .referencias td:first-child{grid-row:span 2;width:auto;padding-top:3px}
  .referencias td:nth-child(3){grid-column:2;font-size:14px;color:var(--apagado)}
  .referencias td:nth-child(4){grid-column:3;grid-row:1}
  .coordenadas dd{font-size:19px}
  .contacto-panel{padding:4px 18px 20px}
  .contacto-fila{grid-template-columns:1fr;gap:4px;padding:16px 0}
  .contacto-telefono{font-size:26px!important}
  .contacto-acciones{grid-template-columns:1fr}
  .legal-main{padding-top:28px}
}

@media (max-width:360px){
  .container{width:calc(100% - 24px)}
  .brand-text small{display:none}
  .hero h1{font-size:34px}
  .datos{grid-template-columns:1fr}
  .datos>div{border-right:0!important;border-bottom:1px solid var(--linea)}
  .datos>div:last-child{border-bottom:0}
  .project-gallery{grid-template-columns:1fr}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{transition:none!important}
}

/* Ajustes */
.section-head .section-num{align-self:start}
.hero-foto-principal figcaption{left:auto;right:0}
@media (max-width:600px){
  .project-gallery figcaption span{display:none}
  figure.marco figcaption{font-size:12px;padding:6px 10px}
}

/* =========================================================
   TEMA OSCURO (cianotipo)
   ========================================================= */
html[data-tema="oscuro"]{
  --fondo:#0c1b31;
  --blanco:#112440;
  --papel:#0f2039;
  --tinta:#eaf0f7;
  --texto:#c4d0de;
  --apagado:#8fa2ba;
  --linea:#243b5e;
  --linea-suave:#1b304f;
  --cyan-texto:#45cbf2;
  --cabecera:rgba(12,27,49,.92);
  --rejilla:rgba(120,190,255,.07);
  --rejilla-fina:rgba(120,190,255,.03);
  --sombra:rgba(0,0,0,.6);
  --btn-fondo:var(--cyan);
  --btn-texto:#06152b;
  --btn-hover:#5fd6f7;
  --franja:#081428;
  --pie:#050e1d;
  color-scheme:dark;
}
html[data-tema="oscuro"] .phone-button{background:var(--cyan);color:#06152b}
html[data-tema="oscuro"] .phone-button .phone-icon{color:#06152b}
html[data-tema="oscuro"] .legal-header{background:var(--franja)}
html[data-tema="oscuro"] .legal-header .phone-button{border:0}
html[data-tema="oscuro"] .menu-toggle span{background:var(--tinta)}
html[data-tema="oscuro"] figure.marco img,
html[data-tema="oscuro"] .service-card img{filter:saturate(.9) contrast(1.05) brightness(.94)}

/* =========================================================
   MEJORAS DE USO
   ========================================================= */

/* Apartado activo en el menú al desplazarse */
.main-nav a.activo{color:var(--cyan-texto);border-bottom-color:var(--cyan)}

/* Barra fija de contacto en el móvil (aparece al pasar la portada) */
.barra-movil{display:none}
@media (max-width:820px){
  .barra-movil{
    display:grid;grid-template-columns:1fr 1fr;gap:10px;
    position:fixed;left:0;right:0;bottom:0;z-index:60;
    padding:10px 16px calc(10px + env(safe-area-inset-bottom));
    background:var(--cabecera);backdrop-filter:blur(10px);
    border-top:1px solid var(--linea);
    transform:translateY(110%);transition:transform .25s ease;
  }
  .barra-movil.visible{transform:none}
  .barra-movil .btn{min-height:46px;font-size:15px;padding:10px 12px;width:auto}
  .site-footer{padding-bottom:calc(90px + env(safe-area-inset-bottom))}
}

/* Pulsación visible en botones */
.btn:active,.phone-button:active{transform:translateY(1px)}

/* Enlace discreto al Centro de Control */
.footer-acceso{color:#7f92ab;border-left:1px solid rgba(255,255,255,.15);padding-left:22px}
.footer-acceso:hover{color:var(--cyan)}