/* ═══════════════════════════════════════════════════════════
   SERVICIOS — Oreka Consultores
   Quiebre visual: fondo oscuro, tarjetas con presencia
   ═══════════════════════════════════════════════════════════ */

*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
:root{
  --azul:#1F4E79;
  --azul-desc:#3B82C4;
  --azul-claro:#5BA8F5;
  --niebla:#EBF3FB;
  --tierra:#A0714F;
  --gris:#6B7280;
  --negro:#1A1A1A;
  --blanco:#FFFFFF;
  --fondo:#FDFAF7;
  --borde:rgba(0,0,0,0.08);
  --serif:'Playfair Display',Georgia,serif;
  --sans:'Jost',Arial,sans-serif;
}
html{font-size:16px;scroll-behavior:smooth}
body{font-family:var(--sans);background:#0c1622;color:var(--blanco);line-height:1.7;font-weight:300}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}

/* NAV — forzar versión oscura coherente */
.nav{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(12,22,34,0.92);backdrop-filter:blur(10px);border-bottom:.5px solid rgba(255,255,255,.06);padding:0 48px;display:flex;align-items:center;justify-content:space-between;height:52px}
.nav-logo-img{height:46px;width:auto;display:block}
.nav-links{display:flex;align-items:center;gap:28px;list-style:none}
.nav-links a{font-size:10px;font-weight:500;letter-spacing:.1em;text-transform:uppercase;color:rgba(255,255,255,.4);transition:color .2s}
.nav-links a:hover,.nav-links a.active{color:#fff}
.nav-cta{color:rgba(255,255,255,.7) !important;border:.5px solid rgba(255,255,255,.25);padding:5px 14px;border-radius:3px;transition:all .2s !important}
.nav-cta:hover{background:rgba(255,255,255,.12);color:#fff !important}
.nav-burger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:4px}
.nav-burger span{display:block;width:20px;height:1px;background:#fff}
.progress-bar{position:fixed;top:52px;left:0;z-index:99;height:2px;background:var(--azul-claro);width:0%;transition:width .1s linear;opacity:.8}

/* HERO */
.serv-hero{position:relative;padding:160px 48px 80px;overflow:hidden;text-align:center}
.serv-hero-glow{position:absolute;top:-20%;left:50%;transform:translateX(-50%);width:900px;height:600px;background:radial-gradient(ellipse at center, rgba(59,130,196,.18) 0%, rgba(59,130,196,0) 60%);pointer-events:none;z-index:0}
.serv-hero-inner{position:relative;z-index:1;max-width:760px;margin:0 auto;text-align:center}
.serv-hero-label{font-size:9px;font-weight:500;color:var(--azul-claro);letter-spacing:.28em;text-transform:uppercase;margin-bottom:24px;opacity:0;animation:servFade .8s ease .1s forwards}
.serv-hero-title{font-family:var(--serif);font-size:clamp(40px,5.5vw,68px);font-weight:400;color:#fff;line-height:1.05;letter-spacing:-.5px;margin-bottom:28px;opacity:0;animation:servFade .9s ease .25s forwards}
.serv-hero-title em{font-style:italic;color:rgba(255,255,255,.5)}
.serv-hero-sep{display:flex;align-items:center;justify-content:center;gap:10px;margin-bottom:28px;opacity:0;animation:servFade .8s ease .4s forwards}
.serv-hero-sep span{width:60px;height:.5px;background:rgba(255,255,255,.2)}
.serv-hero-sep i{width:5px;height:5px;border-radius:50%;background:var(--azul-claro)}
.serv-hero-sub{font-size:15px;font-weight:300;color:rgba(255,255,255,.5);line-height:1.85;max-width:560px;margin:0 auto;opacity:0;animation:servFade .8s ease .55s forwards}
@keyframes servFade{to{opacity:1}}

/* SECTION */
.serv-section{max-width:1180px;margin:0 auto;padding:40px 48px 100px}

/* GRID */
.serv-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.serv-card{position:relative;background:linear-gradient(160deg, rgba(255,255,255,.05) 0%, rgba(255,255,255,.02) 100%);border:.5px solid rgba(255,255,255,.1);border-left:3px solid var(--card-accent, rgba(255,255,255,.15));border-radius:16px;padding:36px 32px 32px;display:flex;flex-direction:column;overflow:hidden;transition:transform .4s cubic-bezier(.4,0,.2,1),border-color .4s,background .4s,box-shadow .4s;opacity:0;transform:translateY(24px)}
.serv-grid.visible .serv-card{opacity:1;transform:translateY(0)}
.serv-grid.visible .serv-card:nth-child(1){transition-delay:.05s}
.serv-grid.visible .serv-card:nth-child(2){transition-delay:.13s}
.serv-grid.visible .serv-card:nth-child(3){transition-delay:.21s}
.serv-grid.visible .serv-card:nth-child(4){transition-delay:.29s}
.serv-grid.visible .serv-card:nth-child(5){transition-delay:.37s}
.serv-grid.visible .serv-card:nth-child(6){transition-delay:.45s}
.serv-card:nth-child(1){--card-accent:#5BA8F5}
.serv-card:nth-child(2){--card-accent:#A0714F}
.serv-card:nth-child(3){--card-accent:#C49A5A}
.serv-card:nth-child(4){--card-accent:#6AAF8A}
.serv-card:nth-child(5){--card-accent:#9B8FC4}
.serv-card:nth-child(6){--card-accent:#D07070}
.serv-card::before{content:'';position:absolute;inset:0;background:radial-gradient(circle at 80% 0%, rgba(59,130,196,.15) 0%, transparent 50%);opacity:0;transition:opacity .4s;pointer-events:none}
.serv-card:hover{transform:translateY(-6px);border-color:rgba(91,168,245,.4);border-left-color:var(--card-accent);background:linear-gradient(160deg, rgba(255,255,255,.08) 0%, rgba(255,255,255,.03) 100%);box-shadow:0 24px 60px rgba(0,0,0,.4)}
.serv-card:hover::before{opacity:1}

.serv-card-top{display:flex;align-items:flex-start;justify-content:space-between;margin-bottom:24px;position:relative;z-index:1}
.serv-card-num{font-family:var(--serif);font-size:15px;color:rgba(255,255,255,.3);letter-spacing:.05em;padding-top:6px}
.serv-card-tag{position:absolute;left:50%;transform:translateX(-50%);top:2px;font-size:8px;font-weight:500;letter-spacing:.16em;text-transform:uppercase;color:#0c1622;background:var(--azul-claro);padding:4px 10px;border-radius:100px;white-space:nowrap}
.serv-card-icon{width:64px;height:64px;object-fit:contain;opacity:.85;transition:transform .5s ease,opacity .4s;filter:brightness(0) invert(1)}
.serv-card:hover .serv-card-icon{transform:scale(1.08) rotate(4deg);opacity:1}

.serv-card-title{font-family:var(--serif);font-size:22px;font-weight:400;color:#fff;line-height:1.2;margin-bottom:14px;position:relative;z-index:1}
.serv-card-sintoma{font-family:var(--serif);font-size:15px;font-style:italic;color:var(--azul-claro);line-height:1.5;margin-bottom:16px;position:relative;z-index:1}
.serv-card-desc{font-size:13px;font-weight:300;color:rgba(255,255,255,.5);line-height:1.75;flex:1;margin-bottom:24px;position:relative;z-index:1}
.serv-card-link{font-size:10px;font-weight:500;letter-spacing:.12em;text-transform:uppercase;color:rgba(255,255,255,.7);display:inline-flex;align-items:center;gap:8px;transition:color .3s;position:relative;z-index:1}
.serv-card-link i{font-style:normal;transition:transform .3s ease}
.serv-card:hover .serv-card-link{color:#fff}
.serv-card:hover .serv-card-link i{transform:translateX(6px)}

/* Tarjeta destacada (Evaluación de Coherencia) */
.serv-card--destacada{border-color:rgba(91,168,245,.35);background:linear-gradient(160deg, rgba(59,130,196,.12) 0%, rgba(59,130,196,.04) 100%)}

/* FRASE PUENTE */
.serv-puente{display:flex;align-items:center;gap:24px;margin:80px 0 64px}
.serv-puente-line{flex:0 0 80px;height:.5px;background:rgba(255,255,255,.12)}
.serv-puente p{font-family:var(--serif);font-size:19px;font-style:italic;color:rgba(255,255,255,.6);line-height:1.6;margin:0;max-width:480px}
.serv-puente a{color:#fff;border-bottom:.5px solid rgba(255,255,255,.3);transition:border-color .2s}
.serv-puente a:hover{border-color:#fff}

/* CTA */
.serv-cta{text-align:left;padding:56px 48px;position:relative;background:linear-gradient(135deg, rgba(31,78,121,.35) 0%, rgba(59,130,196,.12) 100%);border:.5px solid rgba(91,168,245,.25);border-radius:16px}
.serv-cta-title{font-family:var(--serif);font-size:clamp(26px,3.5vw,40px);font-weight:400;color:#fff;line-height:1.2;margin-bottom:32px;max-width:520px}
.serv-cta-btn{display:inline-flex;align-items:center;gap:10px;background:#fff;color:#0c1622;font-size:11px;font-weight:500;letter-spacing:.14em;text-transform:uppercase;padding:18px 40px;border-radius:6px;transition:transform .3s ease,box-shadow .3s;cursor:pointer}
.serv-cta-btn i{font-style:normal;transition:transform .3s ease}
.serv-cta-btn:hover{transform:translateY(-3px);box-shadow:0 16px 40px rgba(91,168,245,.25)}
.serv-cta-btn:hover i{transform:translateX(6px)}

/* FOOTER — heredado oscuro */
.footer{background:#080f18;padding:48px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:24px;border-top:.5px solid rgba(255,255,255,.06)}
.footer-logo{display:flex;flex-direction:column;gap:6px}
.footer-logo-img{height:56px;width:auto;opacity:.9}
.footer-logo span{font-size:8px;letter-spacing:.18em;text-transform:uppercase;color:rgba(255,255,255,.25)}
.footer-links{display:flex;gap:24px;list-style:none;flex-wrap:wrap}
.footer-links a{font-size:10px;font-weight:400;letter-spacing:.08em;text-transform:uppercase;color:rgba(255,255,255,.32);transition:color .2s}
.footer-links a:hover{color:rgba(255,255,255,.75)}
.footer-meta{font-size:9px;font-weight:300;color:rgba(255,255,255,.18);letter-spacing:.06em}
.footer-legal-sep{color:rgba(255,255,255,.15);margin:0 6px}
.footer-legal-link{color:rgba(255,255,255,.18);font-size:9px;font-weight:300;letter-spacing:.06em;transition:color .2s}
.footer-legal-link:hover{color:rgba(255,255,255,.5)}

/* RESPONSIVE */
@media(max-width:900px){
  .nav{padding:0 24px}
  .serv-hero{padding:130px 32px 60px}
  .serv-section{padding:32px 32px 80px}
  .serv-grid{grid-template-columns:repeat(2,1fr);gap:16px}
  .serv-puente-line{flex:0 0 50px}
  .footer{padding:36px}
}
@media(max-width:640px){
  .nav{padding:0 20px}
  .nav-links{display:none}
  .nav-links.open{display:flex;flex-direction:column;position:absolute;top:52px;left:0;right:0;background:rgba(12,22,34,.98);border-bottom:.5px solid rgba(255,255,255,.08);padding:20px 24px;gap:16px;z-index:99}
  .nav-burger{display:flex}
  .serv-hero{padding:120px 24px 48px}
  .serv-section{padding:24px 24px 64px}
  .serv-grid{grid-template-columns:1fr;gap:16px}
  .serv-card{padding:32px 28px 28px}
  .serv-puente{flex-direction:column;align-items:flex-start;gap:16px;margin:56px 0 48px}
  .serv-puente-line{width:60px;flex:0 0 auto}
  .serv-cta{padding:36px 24px;border-radius:12px}
  .footer{padding:32px 24px;flex-direction:column;align-items:flex-start}
}