/* =========================================================
   CELAB — Design System 2026
   Laboratorio de Control Técnico e Ingeniería de Obras Civiles
   ========================================================= */

:root{
  /* --- Color: Ingeniería + Laboratorio, premium tecnológico --- */
  --navy-950:#050B18;
  --navy-900:#0A1730;
  --navy-800:#102040;
  --navy-700:#173058;
  --blue-600:#1D5CFF;
  --blue-500:#3E7BFF;
  --blue-100:#E7EEFF;
  --teal-400:#22D3C2;
  --teal-500:#0FB3A8;
  --amber-500:#FF8A34;
  --amber-400:#FFA95E;
  --brand-green:#8DC63F;
  --slate-900:#0F172A;
  --slate-700:#3C4A5E;
  --slate-600:#54637A;
  --slate-400:#93A2B8;
  --slate-200:#DFE6F0;
  --slate-100:#EEF2F8;
  --slate-50:#F6F9FC;
  --white:#FFFFFF;

  --grad-brand:linear-gradient(120deg,var(--blue-600) 0%,var(--teal-500) 100%);
  --grad-dark:linear-gradient(180deg,rgba(5,11,24,.35) 0%,rgba(5,11,24,.86) 100%);
  --grad-dark-strong:linear-gradient(120deg,rgba(5,11,24,.92) 10%,rgba(10,23,48,.78) 55%,rgba(29,92,255,.55) 100%);

  --radius-sm:8px;
  --radius-md:14px;
  --radius-lg:22px;
  --radius-xl:32px;

  --shadow-sm:0 2px 10px rgba(10,23,48,.06);
  --shadow-md:0 12px 30px rgba(10,23,48,.10);
  --shadow-lg:0 24px 60px rgba(10,23,48,.16);
  --shadow-glow:0 0 0 1px rgba(255,255,255,.06),0 20px 50px rgba(29,92,255,.25);

  --font-display:'Inter',system-ui,sans-serif;
  --font-body:'Inter',system-ui,sans-serif;
  --font-mono:'JetBrains Mono',monospace;

  --container:1280px;
}

*,*::before,*::after{box-sizing:border-box}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.hp-field{position:absolute;left:-9999px;top:-9999px;width:1px;height:1px;opacity:0;pointer-events:none}
.field-consent{margin-bottom:18px}
.consent-label{display:flex;align-items:flex-start;gap:10px;cursor:pointer}
.consent-label input[type="checkbox"]{flex:none;width:18px;height:18px;margin-top:2px;accent-color:var(--blue-600);cursor:pointer}
.consent-label span{font-size:.83rem;line-height:1.5;color:var(--slate-600)}
.consent-label a{color:var(--blue-600);font-weight:700;text-decoration:underline;text-underline-offset:2px}
.consent-label input:invalid{outline:none}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--font-body);color:var(--slate-900);background:var(--white);-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none;margin:0;padding:0}
button{font-family:inherit;cursor:pointer}
h1,h2,h3,h4{font-family:var(--font-display);font-weight:700;line-height:1.14;margin:0;letter-spacing:-.02em;color:var(--navy-900)}
.hero h1,.hero h2,.hero h3{color:#fff}
p{margin:0;line-height:1.65}
.container{max-width:var(--container);margin:0 auto;padding:0 28px}
section{position:relative}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{animation-duration:.001ms !important;transition-duration:.001ms !important}
}

/* ---------- Utility type scale ---------- */
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-family:var(--font-mono);font-size:12.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--blue-600);font-weight:700}
.eyebrow::before{content:'';width:22px;height:2px;background:var(--amber-500);display:inline-block}
.eyebrow.on-dark{color:var(--teal-400)}
h1.display{font-size:clamp(2.4rem,4.6vw,4.1rem);font-weight:700}
h2.section-title{font-size:clamp(1.9rem,3.2vw,2.7rem);font-weight:700}
h3.card-title{font-size:1.25rem;font-weight:700}
.lede{font-size:clamp(1.05rem,1.4vw,1.25rem);color:var(--slate-600);max-width:62ch}
.lede.on-dark{color:#C9D6EC}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:15px 28px;border-radius:999px;font-weight:700;font-size:.98rem;border:1.5px solid transparent;transition:transform .22s ease,box-shadow .22s ease,background .22s ease,color .22s ease;white-space:nowrap}
.btn:active{transform:scale(.97)}
.btn-primary{background:var(--amber-500);color:var(--navy-950);box-shadow:0 10px 24px rgba(255,138,52,.35)}
.btn-primary:hover{background:var(--amber-400);transform:translateY(-2px);box-shadow:0 14px 30px rgba(255,138,52,.42)}
.btn-blue{background:var(--blue-600);color:#fff;box-shadow:0 10px 24px rgba(29,92,255,.32)}
.btn-blue:hover{background:#154be0;transform:translateY(-2px)}
.btn-outline{border-color:rgba(255,255,255,.55);color:#fff}
.btn-outline:hover{background:rgba(255,255,255,.12);transform:translateY(-2px)}
.btn-ghost{border-color:var(--slate-200);color:var(--navy-900)}
.btn-ghost:hover{border-color:var(--blue-600);color:var(--blue-600)}
.btn-sm{padding:10px 18px;font-size:.86rem}
.btn-block{width:100%}

/* ---------- Header ---------- */
.site-header{position:fixed;top:0;left:0;right:0;z-index:1000;transition:background-color .3s ease,box-shadow .3s ease,padding .25s ease,border-color .3s ease;padding:20px 0;border-bottom:1px solid transparent}
.site-header .bar{display:flex;align-items:center;justify-content:space-between;gap:24px}
.site-header.solid{background-color:var(--navy-950);box-shadow:0 10px 30px rgba(0,0,0,.22);padding:14px 0;border-bottom-color:rgba(255,255,255,.08)}

/* Por debajo de --container (1280px) el .container ya no tiene margen extra
   a los costados, así que el logo y el menú (dentro del header) quedan en la
   misma franja horizontal que las esquinas del marco decorativo del Hero
   (.hero-frame, ver más abajo) y se ven superpuestos mientras el header está
   en su estado transparente (arriba de la página, antes de hacer scroll). El
   marco solo ocupa esquinas de 26×26px, no líneas completas, así que basta
   separar el logo y el menú del marco en horizontal — no hace falta bajar el
   header. Solo aplica al estado NO sólido: una vez que se hace scroll, el
   marco ya no está en pantalla y el header sólido usa su padding normal. */
@media (max-width:1300px){
  .site-header:not(.solid) .container{padding-left:60px;padding-right:60px}
}
.logo{display:flex;align-items:center;gap:10px}
.logo-img{height:52px;width:auto;display:block;transition:height .25s ease,transform .25s ease}
.logo:hover .logo-img{transform:translateY(-1px)}
.site-header.solid .logo-img{height:52px}
.foot-logo .logo-img{height:38px;margin-bottom:16px}
.main-nav{display:flex;align-items:center;gap:2px}
.main-nav > ul{display:flex;align-items:center;gap:4px}
.main-nav a.nav-link{display:flex;align-items:center;gap:6px;padding:11px 15px;border-radius:999px;color:#fff;font-weight:600;font-size:.94rem;transition:background .2s,color .2s}
.main-nav a.nav-link:hover,.main-nav li.active > a.nav-link{background:rgba(255,255,255,.12);color:#fff}
.main-nav li{position:relative}
.caret{width:9px;height:9px;border-right:2px solid currentColor;border-bottom:2px solid currentColor;transform:rotate(45deg);margin-top:-3px;opacity:.75}
.mega{position:absolute;top:100%;left:50%;transform:translateX(-50%) translateY(4px);width:clamp(320px,88vw,640px);background:#fff;border-radius:18px;box-shadow:var(--shadow-lg);padding:14px;opacity:0;pointer-events:none;transition:opacity .18s ease,transform .18s ease;display:grid;grid-template-columns:1fr 1fr;gap:6px}
@media (max-width:1300px){.main-nav a.nav-link{padding:11px 11px;font-size:.88rem}.header-cta{gap:6px}.access-link{padding:9px 13px;font-size:.8rem}}
li.has-mega:hover .mega,li.has-mega:focus-within .mega,li.has-mega.mega-open .mega{opacity:1;pointer-events:auto;transform:translateX(-50%) translateY(0)}
.mega a{display:flex;gap:12px;align-items:flex-start;padding:12px;border-radius:12px;color:var(--navy-900);transition:background .2s}
.mega a:hover{background:var(--slate-50)}
.mega .ic{width:38px;height:38px;border-radius:10px;background:var(--blue-100);display:flex;align-items:center;justify-content:center;flex:none;color:var(--blue-600)}
.mega strong{display:block;font-size:.92rem;font-weight:700;color:var(--navy-900)}
.mega span{display:block;font-size:.79rem;color:var(--slate-600);margin-top:2px;line-height:1.4}
.header-cta{display:flex;align-items:center;gap:10px}
.access-link{display:inline-flex;align-items:center;gap:8px;padding:10px 18px;border-radius:999px;border:1.5px solid rgba(255,255,255,.4);color:#fff;font-weight:700;font-size:.86rem}
.access-link:hover{border-color:var(--teal-400);color:var(--teal-400)}
.burger{display:none;width:42px;height:42px;border-radius:10px;border:1.5px solid rgba(255,255,255,.35);background:transparent;position:relative}
.burger span,.burger span::before,.burger span::after{content:'';position:absolute;left:11px;right:11px;height:2px;background:#fff;transition:.25s}
.burger span{top:20px}
.burger span::before{top:-7px}
.burger span::after{top:7px}

@media (max-width:1080px){
  .main-nav{position:fixed;inset:0;top:0;background:var(--navy-950);flex-direction:column;align-items:stretch;padding:100px 28px 40px;transform:translateX(100%);transition:transform .35s ease;overflow-y:auto}
  .main-nav.open{transform:translateX(0)}
  .main-nav>ul{flex-direction:column;align-items:stretch;gap:2px;width:100%}
  .main-nav a.nav-link{padding:16px 6px;border-bottom:1px solid rgba(255,255,255,.08);border-radius:0}
  .mega{position:static;transform:none;opacity:1;pointer-events:auto;width:100%;background:rgba(255,255,255,.04);box-shadow:none;display:none;grid-template-columns:1fr;margin:6px 0 10px}
  li.has-mega.open .mega{display:grid}
  /* Neutraliza el transform de escritorio (translateX(-50%)) que, por mayor
     especificidad, se seguía aplicando en mobile cuando el <li> recibía la
     clase .mega-open (agregada por el listener de "tolerancia de hover" ante
     un tap) — esto cortaba el submenú por el lado izquierdo del viewport. */
  li.has-mega:hover .mega,li.has-mega:focus-within .mega,li.has-mega.mega-open .mega,li.has-mega.open .mega{transform:none}
  .mega a{color:#fff}
  .mega strong{color:#fff}
  .mega span{color:#9FB0CC}
  .mega a:hover{background:rgba(255,255,255,.08)}
  .header-cta .btn-blue{display:none}
  .burger{display:block}
  .access-link{padding:9px 14px;font-size:.8rem}
}

/* ---------- Hero (rediseñado: fondo garantizado, sin dependencia de fotos externas) ---------- */
.hero{min-height:92vh;display:flex;align-items:flex-end;position:relative;color:#fff;padding-top:140px;overflow:hidden;
  background:linear-gradient(155deg, var(--navy-950) 0%, var(--navy-900) 32%, var(--navy-700) 62%, var(--blue-600) 100%);
}
.hero::after{content:'';position:absolute;inset:0;background:linear-gradient(0deg,rgba(3,7,16,.95) 0%,rgba(4,10,22,.78) 45%,rgba(4,10,22,.55) 100%);z-index:0}
.hero::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse 60% 50% at 100% 0%, rgba(34,211,194,.22), transparent 70%);z-index:0}
.hero .container{position:relative;z-index:2;padding-bottom:90px;width:100%}
.hero-grid{width:100%}
.hero-kpis{display:flex;flex-wrap:wrap;gap:34px;margin-top:44px;padding-top:30px;border-top:1px solid rgba(255,255,255,.18)}
.hero-kpis .kpi b{display:block;font-family:var(--font-display);font-size:clamp(1.5rem,2.4vw,2.1rem);font-weight:700;color:#fff}
.hero-kpis .kpi span{font-size:.82rem;color:#B9C6DE}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}

/* ---------- Entrada suave del Hero (premium, sutil, se ejecuta una sola vez) ----------
   Acotada a ".hero X" para no afectar .eyebrow / .lede en el resto del sitio,
   que ya usan su propio sistema .reveal + IntersectionObserver al hacer scroll. */
@keyframes heroFadeUp{
  from{opacity:0;transform:translateY(18px)}
  to{opacity:1;transform:translateY(0)}
}
.hero .eyebrow,
.hero h1.display,
.hero .lede,
.hero .hero-actions{
  animation:heroFadeUp .8s cubic-bezier(.22,.61,.36,1) both;
}
.hero .eyebrow{animation-delay:0ms}
.hero h1.display{animation-delay:100ms}
.hero .lede{animation-delay:200ms}
.hero .hero-actions{animation-delay:300ms}
.hero-blueprint{position:absolute;inset:0;z-index:1;opacity:.16;background-image:linear-gradient(rgba(255,255,255,.6) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.6) 1px,transparent 1px);background-size:64px 64px}
.scroll-cue{position:absolute;bottom:26px;left:50%;transform:translateX(-50%);z-index:3;display:flex;flex-direction:column;align-items:center;gap:8px;font-family:var(--font-mono);font-size:11px;letter-spacing:.12em;color:#B9C6DE;text-transform:uppercase}
.scroll-cue .line{width:1px;height:34px;background:linear-gradient(#fff,transparent);animation:scrollcue 1.8s infinite}
@keyframes scrollcue{0%{transform:scaleY(0);transform-origin:top}50%{transform:scaleY(1);transform-origin:top}51%{transform-origin:bottom}100%{transform:scaleY(0);transform-origin:bottom}}

/* Marco de esquinas — firma visual "instrumento de medición" */
.hero-frame{position:absolute;inset:26px;z-index:2;pointer-events:none}
.hero-frame i{position:absolute;width:26px;height:26px;border-color:rgba(255,255,255,.55)}
.hero-frame i:nth-child(1){top:0;left:0;border-top:2px solid;border-left:2px solid}
.hero-frame i:nth-child(2){top:0;right:0;border-top:2px solid;border-right:2px solid}
.hero-frame i:nth-child(3){bottom:0;left:0;border-bottom:2px solid;border-left:2px solid}
.hero-frame i:nth-child(4){bottom:0;right:0;border-bottom:2px solid;border-right:2px solid}

/* Ícono técnico gigante como marca de agua — un motivo distinto por página */
.hero-icon-mark{position:absolute;right:-40px;bottom:-40px;z-index:1;width:min(46vw,560px);height:min(46vw,560px);opacity:.14;color:#fff;pointer-events:none}
.hero-icon-mark svg{width:100%;height:100%;stroke-width:.5}
@media (max-width:720px){.hero-icon-mark{width:70vw;height:70vw;right:-60px;bottom:-30px}}

.page-hero{min-height:56vh;padding-top:150px}
.page-hero .container{padding-bottom:56px}
.breadcrumb{display:flex;gap:8px;align-items:center;font-family:var(--font-mono);font-size:12px;letter-spacing:.06em;color:#AEC0DC;text-transform:uppercase;margin-bottom:22px}
.breadcrumb span{opacity:.5}

/* ---------- Sections & Cards ---------- */
.section{padding:100px 0}
.section.tight{padding:70px 0}
.section.on-slate{background:var(--slate-50);position:relative}
.section.on-slate::before{content:'';position:absolute;inset:0;background-image:radial-gradient(circle at 8% 12%,rgba(29,92,255,.06),transparent 38%),radial-gradient(circle at 94% 82%,rgba(34,211,194,.07),transparent 40%);pointer-events:none}
.section.on-slate>.container{position:relative;z-index:1}
.section.on-navy{background:var(--navy-950);color:#fff}
.section.on-navy h2,.section.on-navy h3{color:#fff}
.section-head{max-width:760px;margin-bottom:56px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-foot{display:flex;justify-content:center;margin-top:48px}

.grid{display:grid;gap:26px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
@media (max-width:960px){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr 1fr}}
@media (max-width:640px){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}}

.card{background:#fff;border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);border:1px solid var(--slate-100);transition:transform .28s ease,box-shadow .28s ease;overflow:hidden;position:relative}
.card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:var(--grad-brand);transform:scaleX(0);transform-origin:left;transition:transform .3s ease}
.card:hover::before{transform:scaleX(1)}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}

.service-card{padding:0}
.service-card .thumb{height:200px;background-size:cover;background-position:center;background-color:var(--navy-800);position:relative}
.service-card .thumb::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,23,48,0) 40%,rgba(10,23,48,.72) 100%)}
.service-card .num{position:absolute;bottom:12px;left:16px;z-index:2;font-family:var(--font-mono);color:#fff;font-size:12px;letter-spacing:.1em;text-transform:uppercase;opacity:.85}
.service-card .body{padding:26px}
.service-card .body p{color:var(--slate-600);margin:12px 0 18px;font-size:.96rem}
.service-card .link-arrow{display:inline-flex;align-items:center;gap:8px;font-weight:700;color:var(--blue-600);font-size:.9rem}
.service-card .link-arrow svg{transition:transform .2s}
.service-card:hover .link-arrow svg{transform:translateX(4px)}

.icon-card{padding:30px;text-align:left}
.icon-card .ic{width:52px;height:52px;border-radius:14px;background:var(--blue-100);color:var(--blue-600);display:flex;align-items:center;justify-content:center;margin-bottom:18px}
.icon-card p{color:var(--slate-600);font-size:.94rem;margin-top:10px}

.stat-strip{background:var(--navy-950);color:#fff;padding:56px 0;position:relative;overflow:hidden}
.stat-strip::before{content:'';position:absolute;inset:0;background:radial-gradient(circle at 15% 20%,rgba(29,92,255,.35),transparent 45%),radial-gradient(circle at 85% 80%,rgba(34,211,194,.28),transparent 45%)}
.stat-strip .grid{position:relative;z-index:1}
.stat{text-align:center;padding:0 10px;border-left:1px solid rgba(255,255,255,.12)}
.stat:first-child{border-left:none}
.stat b{font-family:var(--font-display);font-size:clamp(2rem,3.4vw,2.9rem);font-weight:700;background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent}
.stat span{display:block;margin-top:6px;font-size:.85rem;color:#AEC0DC}
@media (max-width:720px){.stat-strip .grid{grid-template-columns:1fr 1fr;row-gap:30px}.stat{border-left:none}}

.process-step{display:flex;gap:20px;padding:26px 0;border-top:1px solid var(--slate-200)}
.process-step:last-child{border-bottom:1px solid var(--slate-200)}
.process-step .n{font-family:var(--font-mono);font-size:.85rem;color:var(--blue-600);font-weight:700;flex:none;width:64px}
.process-step h4{font-size:1.15rem;margin-bottom:8px}
.process-step p{color:var(--slate-600);font-size:.95rem;max-width:60ch}

.timeline{border-left:2px solid var(--slate-200);padding-left:30px;margin-left:8px}
.timeline .t-item{position:relative;padding-bottom:38px}
.timeline .t-item::before{content:'';position:absolute;left:-37px;top:2px;width:14px;height:14px;border-radius:50%;background:var(--amber-500);box-shadow:0 0 0 4px #fff,0 0 0 5px var(--slate-200)}
.timeline .t-item:last-child{padding-bottom:0}

.badge-row{display:flex;flex-wrap:wrap;gap:12px}
.badge{display:inline-flex;align-items:center;gap:8px;padding:9px 16px;border-radius:999px;background:var(--slate-100);color:var(--navy-900);font-weight:700;font-size:.82rem}
.badge svg{color:var(--brand-green)}
.badge.on-dark{background:rgba(255,255,255,.08);color:#fff}

.testi{padding:34px}
.testi p{font-size:1.05rem;color:var(--navy-900);font-style:italic}
.testi .who{display:flex;align-items:center;gap:12px;margin-top:22px}
.testi .avatar{width:44px;height:44px;border-radius:50%;background:var(--grad-brand);flex:none;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-family:var(--font-display)}
.testi .who b{display:block;font-size:.92rem}
.testi .who span{font-size:.8rem;color:var(--slate-600)}

.logo-strip{padding:34px 0}
.logo-track{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:44px}
.logo-track .lg{flex:none;display:flex;align-items:center;opacity:.55;filter:grayscale(1);transition:opacity .25s ease,filter .25s ease,transform .25s ease}
.logo-track .lg:hover{opacity:1;filter:grayscale(0);transform:translateY(-2px)}
.logo-track .lg svg{height:26px;width:auto;display:block}

.cta-band{background:var(--grad-brand);border-radius:var(--radius-xl);padding:64px;display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap;color:#fff;position:relative;overflow:hidden}
@media (max-width:600px){.cta-band{padding:34px 26px}.form-card{padding:26px 22px}.hero{padding-top:120px}.page-hero{padding-top:128px}}
.cta-band::before{content:'';position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.14) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.14) 1px,transparent 1px);background-size:44px 44px;opacity:.5}
.cta-band > *{position:relative;z-index:1}
.cta-band h2{color:#fff;font-size:clamp(1.6rem,2.6vw,2.3rem);max-width:520px}
.cta-band p{color:#EAF0FF;margin-top:10px;max-width:480px}
.cta-band .btn-primary{background:#fff;color:var(--navy-900);box-shadow:none}
.cta-band .btn-primary:hover{background:var(--navy-950);color:#fff}

/* ---------- Forms ---------- */
.form-card{background:#fff;border-radius:var(--radius-lg);box-shadow:var(--shadow-md);padding:38px;border:1px solid var(--slate-100)}
.field{margin-bottom:18px}
.field label{display:block;font-size:.82rem;font-weight:700;color:var(--navy-900);margin-bottom:7px}
.field input,.field select,.field textarea{width:100%;padding:13px 15px;border-radius:10px;border:1.5px solid var(--slate-200);font-family:var(--font-body);font-size:.95rem;background:var(--slate-50);transition:border-color .2s,background .2s}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--blue-600);background:#fff}
.field textarea{resize:vertical;min-height:120px}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media (max-width:600px){.field-row{grid-template-columns:1fr}}
.form-note{font-size:.78rem;color:var(--slate-600);margin-top:14px}
.form-success{display:none;text-align:center;padding:40px 10px}
.form-success svg{color:var(--teal-500);margin-bottom:14px}

/* ---------- Accordion (FAQ) ---------- */
.accordion-item{border-bottom:1px solid var(--slate-200)}
.accordion-item summary{list-style:none;cursor:pointer;padding:24px 4px;display:flex;justify-content:space-between;align-items:center;gap:20px;font-weight:700;font-size:1.02rem;color:var(--navy-900)}
.accordion-item summary::-webkit-details-marker{display:none}
.accordion-item .plus{flex:none;width:30px;height:30px;border-radius:50%;background:var(--slate-100);position:relative}
.accordion-item .plus::before,.accordion-item .plus::after{content:'';position:absolute;background:var(--blue-600);left:50%;top:50%;transform:translate(-50%,-50%)}
.accordion-item .plus::before{width:12px;height:2px}
.accordion-item .plus::after{width:2px;height:12px;transition:transform .2s}
.accordion-item[open] .plus::after{transform:translate(-50%,-50%) rotate(90deg) scaleY(0)}
.accordion-item .a-body{padding:0 4px 26px;color:var(--slate-600);max-width:74ch;font-size:.97rem}
.faq-cat{margin-bottom:14px}

/* ---------- Footer ---------- */
.site-footer{background:var(--navy-950);color:#C4D1E6;padding:80px 0 0}
.footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:56px;border-bottom:1px solid rgba(255,255,255,.09)}
.footer-top h5{color:#fff;font-family:var(--font-display);font-size:.95rem;margin-bottom:18px;letter-spacing:.02em}
.footer-top li{margin-bottom:11px;font-size:.88rem}
.footer-top a:hover{color:var(--teal-400)}

.foot-desc{font-size:.88rem;color:#8DA0BF;max-width:32ch;margin-bottom:20px}
.foot-social{display:flex;gap:10px}
.foot-social a{width:38px;height:38px;border-radius:10px;background:rgba(255,255,255,.06);display:flex;align-items:center;justify-content:center;transition:background .2s}
.foot-social a:hover{background:var(--blue-600)}
.foot-bar{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;padding:26px 0;font-size:.8rem;color:#7488A8}
.foot-bar a{text-decoration:underline;text-underline-offset:3px;text-decoration-color:rgba(255,255,255,.25)}
.foot-bar a:hover{color:#fff;text-decoration-color:#fff}
.foot-legal-links{display:inline-flex;align-items:center;gap:10px}
.foot-legal-links span{opacity:.4}

/* ---------- Contenido legal (Privacidad / Cookies) y artículos del blog ---------- */
.legal-content{max-width:820px}
.legal-content .updated{display:inline-block;background:var(--slate-100);color:var(--slate-700);font-family:var(--font-mono);font-size:.78rem;padding:7px 14px;border-radius:999px;margin-bottom:24px}
.legal-content .article-cover{display:block;width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--radius-lg);margin-bottom:36px;box-shadow:var(--shadow-sm)}
.legal-content h2{font-size:1.5rem;margin-top:52px;margin-bottom:16px;scroll-margin-top:120px}
.legal-content h2:first-of-type{margin-top:0}
.legal-content h3{font-size:1.1rem;margin-top:28px;margin-bottom:12px}
.legal-content p{color:var(--slate-700);margin-bottom:16px;font-size:.98rem;line-height:1.75}
.legal-content ul,.legal-content ol{margin:0 0 20px;padding-left:22px;color:var(--slate-700)}
.legal-content li{margin-bottom:10px;font-size:.97rem;line-height:1.65}
.legal-content li::marker{color:var(--blue-600);font-weight:700}
.legal-content strong{color:var(--navy-900)}
.legal-content a{color:var(--blue-600);font-weight:700;text-decoration:underline;text-underline-offset:2px}
.legal-content code,table.ensayos code{font-family:var(--font-mono);background:var(--slate-100);color:var(--navy-900);padding:2px 7px;border-radius:6px;font-size:.85em}
.project-index{columns:2;column-gap:48px;margin:0;padding:0;list-style:none}
.project-index li{break-inside:avoid;padding:13px 0;border-bottom:1px solid var(--slate-200)}
.project-index li b{display:block;font-size:.86rem;color:var(--navy-900);text-transform:uppercase;letter-spacing:.01em}
.project-index li span{display:block;font-size:.86rem;color:var(--slate-600);margin-top:3px}
@media (max-width:720px){.project-index{columns:1}}
.legal-toc{background:var(--slate-50);border:1px solid var(--slate-200);border-radius:var(--radius-lg);padding:26px 28px;margin-bottom:48px}
.legal-toc b{display:block;font-size:.82rem;text-transform:uppercase;letter-spacing:.06em;font-family:var(--font-mono);color:var(--slate-600);margin-bottom:14px}
.legal-toc ol{margin:0;padding-left:20px;columns:2;column-gap:28px}
.legal-toc li{font-size:.9rem;margin-bottom:9px;break-inside:avoid}
.legal-toc a{color:var(--navy-900);font-weight:600;text-decoration:none}
.legal-toc a:hover{color:var(--blue-600)}
@media (max-width:600px){.legal-toc ol{columns:1}}

/* ---------- Banner de cookies ---------- */
.cookie-banner{position:fixed;left:18px;right:18px;bottom:18px;z-index:1300;max-width:900px;margin:0 auto;background:var(--navy-950);color:#fff;border-radius:var(--radius-lg);box-shadow:0 20px 50px rgba(0,0,0,.35);padding:24px 26px;display:flex;align-items:center;gap:26px;flex-wrap:wrap;transform:translateY(140%);opacity:0;transition:transform .45s ease,opacity .45s ease}
.cookie-banner.show{transform:translateY(0);opacity:1}
.cookie-banner p{margin:0;color:#C4D1E6;font-size:.88rem;line-height:1.6;flex:1;min-width:240px}
.cookie-banner a{color:#fff;text-decoration:underline;text-underline-offset:2px}
.cookie-banner .cb-actions{display:flex;gap:10px;flex:none;flex-wrap:wrap}
@media (max-width:560px){.cookie-banner{padding:20px;left:12px;right:12px;bottom:12px}.cookie-banner .cb-actions{width:100%}.cookie-banner .cb-actions .btn{flex:1}}
@media (max-width:980px){.footer-top{grid-template-columns:1fr 1fr}}
@media (max-width:600px){.footer-top{grid-template-columns:1fr}}

/* ---------- Floating elements ---------- */
.whatsapp-float{position:fixed;bottom:26px;right:26px;z-index:900;width:60px;height:60px;border-radius:50%;background:#25D366;display:flex;align-items:center;justify-content:center;box-shadow:0 10px 26px rgba(37,211,102,.45);transition:transform .2s}
.whatsapp-float:hover{transform:scale(1.08)}
.quote-tab{position:fixed;top:44%;right:0;transform:translateY(-50%);z-index:900;background:var(--amber-500);color:var(--navy-950);font-weight:800;letter-spacing:.08em;font-size:.86rem;padding:24px 13px;border-radius:12px 0 0 12px;box-shadow:-6px 0 22px rgba(0,0,0,.22);writing-mode:vertical-rl;text-orientation:mixed;transition:padding .2s ease,background .2s ease,box-shadow .2s ease}
.quote-tab:hover{background:var(--amber-400);padding-right:19px;box-shadow:-8px 0 26px rgba(0,0,0,.28)}

.quote-overlay{position:fixed;inset:0;background:rgba(5,11,24,.6);backdrop-filter:blur(3px);z-index:1200;opacity:0;pointer-events:none;transition:opacity .25s}
.quote-overlay.open{opacity:1;pointer-events:auto}
.quote-panel{position:fixed;top:0;right:0;height:100%;width:420px;max-width:92vw;background:#fff;z-index:1201;transform:translateX(100%);transition:transform .32s ease;padding:40px 32px;overflow-y:auto}
.quote-overlay.open .quote-panel{transform:translateX(0)}
.quote-close{position:absolute;top:24px;right:24px;width:36px;height:36px;border-radius:50%;background:var(--slate-100);border:none;font-size:18px}

/* ---------- Reveal on scroll ---------- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:translateY(0)}

/* ---------- Misc ---------- */
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
@media (max-width:900px){.two-col{grid-template-columns:1fr;gap:34px}}
.media-frame{border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-md);height:100%;min-height:340px;background-size:cover;background-position:center;background-color:var(--navy-800);position:relative}
.divider{height:1px;background:var(--slate-200);margin:70px 0}
.tag-list{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.tag-list span{padding:7px 14px;border-radius:999px;background:var(--slate-100);font-size:.78rem;font-weight:700;color:var(--slate-700)}
.table-wrap{overflow-x:auto;border-radius:var(--radius-md);border:1px solid var(--slate-200)}
table.ensayos{width:100%;border-collapse:collapse;font-size:.92rem}
table.ensayos th{background:var(--navy-950);color:#fff;text-align:left;padding:14px 18px;font-family:var(--font-display);font-weight:600}
table.ensayos td{padding:13px 18px;border-top:1px solid var(--slate-200);color:var(--slate-700)}
table.ensayos tr:hover td{background:var(--slate-50)}

.person-card{text-align:center;padding:26px 18px;cursor:pointer}
.person-card .ph-initials{width:96px;height:96px;border-radius:50%;margin:0 auto 16px;background:var(--grad-brand);box-shadow:var(--shadow-sm);border:3px solid #fff;outline:1px solid var(--slate-200);display:flex;align-items:center;justify-content:center;font-family:var(--font-display);font-weight:700;font-size:1.6rem;color:#fff;transition:transform .25s ease}
.person-card:hover .ph-initials{transform:scale(1.06)}
.person-card b{display:block;font-size:.95rem}
.person-card span{display:block;font-size:.8rem;color:var(--blue-600);font-weight:700;margin-top:4px}
.person-card .view-more{display:inline-flex;align-items:center;gap:5px;margin-top:12px;font-size:.78rem;font-weight:700;color:var(--slate-600)}
.person-card:hover .view-more{color:var(--blue-600)}

/* ---------- Lightbox de equipo ---------- */
.team-overlay{position:fixed;inset:0;background:rgba(5,11,24,.72);backdrop-filter:blur(4px);z-index:1250;opacity:0;pointer-events:none;transition:opacity .25s ease;display:flex;align-items:center;justify-content:center;padding:24px}
.team-overlay.open{opacity:1;pointer-events:auto}
.team-modal{background:#fff;border-radius:var(--radius-xl);max-width:520px;width:100%;padding:44px;position:relative;transform:translateY(18px) scale(.98);transition:transform .3s ease;max-height:88vh;overflow-y:auto}
.team-overlay.open .team-modal{transform:translateY(0) scale(1)}
.team-modal-close{position:absolute;top:20px;right:20px;width:38px;height:38px;border-radius:50%;background:var(--slate-100);border:none;font-size:18px;color:var(--slate-700);transition:background .2s}
.team-modal-close:hover{background:var(--slate-200)}
.team-modal .ph-initials{width:88px;height:88px;border-radius:50%;background:var(--grad-brand);display:flex;align-items:center;justify-content:center;font-family:var(--font-display);font-weight:700;font-size:1.5rem;color:#fff;margin-bottom:20px}
.team-modal h3{font-size:1.3rem}
.team-modal .role{display:block;color:var(--blue-600);font-weight:700;font-size:.92rem;margin-top:6px}
.team-modal p.bio{color:var(--slate-600);margin-top:18px;line-height:1.7;font-size:.96rem}

.filter-bar{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:40px}
.filter-bar button{padding:10px 18px;border-radius:999px;border:1.5px solid var(--slate-200);background:#fff;font-weight:700;font-size:.85rem;color:var(--slate-700);transition:.2s}
.filter-bar button.active,.filter-bar button:hover{border-color:var(--blue-600);color:var(--blue-600);background:var(--blue-100)}

.project-card{position:relative;border-radius:var(--radius-lg);overflow:hidden;height:380px;background-size:cover;background-position:center;background-color:var(--navy-800);box-shadow:var(--shadow-sm)}
.project-card::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,23,48,0) 30%,rgba(6,12,26,.92) 100%)}
.project-card .pc-body{position:absolute;left:0;right:0;bottom:0;padding:26px;z-index:2;color:#fff}
.project-card .tag{font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--teal-400);margin-bottom:8px;display:block}
.project-card h3{color:#fff;font-size:1.15rem}
.project-card p{color:#C4D1E6;font-size:.86rem;margin-top:8px}

.article-card{padding:0}
.article-card .thumb{height:190px;background-size:cover;background-position:center;background-color:var(--slate-200)}
.article-card .body{padding:24px}
.article-card .meta{font-family:var(--font-mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--blue-600);margin-bottom:10px}
.article-card h3{font-size:1.08rem;margin-bottom:10px}
.article-card p{font-size:.9rem;color:var(--slate-600)}

.kicker-box{background:var(--slate-50);border:1px solid var(--slate-200);border-radius:var(--radius-lg);padding:30px}

.side-nav{position:sticky;top:120px;background:#fff;border:1px solid var(--slate-200);border-radius:var(--radius-lg);padding:10px;box-shadow:var(--shadow-sm)}
.side-nav a{display:block;padding:13px 16px;border-radius:10px;font-size:.88rem;font-weight:700;color:var(--slate-700)}
.side-nav a:hover{background:var(--slate-50);color:var(--blue-600)}
.side-nav a.active{background:var(--blue-100);color:var(--blue-600)}

/* ---------- Layouts de 2 columnas reutilizables (con fallback responsive real) ---------- */
.split-sidebar{display:grid;grid-template-columns:260px 1fr;gap:44px;align-items:flex-start}
.split-form{display:grid;grid-template-columns:1fr 1.1fr;gap:50px;align-items:flex-start}
@media (max-width:900px){
  .split-sidebar,.split-form{grid-template-columns:1fr;gap:28px}
  .side-nav{position:static;top:auto}
  .side-nav{display:flex;overflow-x:auto;gap:6px;padding:8px;-webkit-overflow-scrolling:touch}
  .side-nav a{white-space:nowrap;flex:none;padding:11px 16px}
}

/* ---------- Cabecera de los paneles internos (contactos, blog) ---------- */
.panel-topbar{background:var(--navy-950);padding:14px 0}
.panel-topbar .inner{max-width:1180px;margin:0 auto;padding:0 24px;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px}
.panel-topbar .logo-link{display:flex;align-items:center;gap:10px;text-decoration:none}
.panel-topbar .logo-link img{height:28px;width:auto;display:block}
.panel-topbar .logo-link span{color:rgba(255,255,255,.6);font-size:.76rem;font-weight:600;font-family:var(--font-mono);letter-spacing:.03em}
.panel-topbar nav{display:flex;gap:4px;flex-wrap:wrap}
.panel-topbar nav a{color:rgba(255,255,255,.75);text-decoration:none;font-size:.86rem;font-weight:600;padding:8px 14px;border-radius:999px;transition:background .2s,color .2s}
.panel-topbar nav a:hover{background:rgba(255,255,255,.1);color:#fff}
.panel-topbar nav a.activo{background:#fff;color:var(--navy-950)}