/* ============================================================
   GRUPO ALTERNUS — Sistema de marca web
   Derivado del Manual de Identidad v1.0 (2026)
   Tipografía: Montserrat (titulares) · Inter (cuerpo)
   ============================================================ */

:root{
  /* Paleta corporativa */
  --graphite:#45453F;
  --steel:#8B8C84;
  --silver:#C3C4BE;
  --platinum:#E8E8E3;
  --bg-dark:#2E2E2B;
  --black:#161614;
  --white:#FFFFFF;
  --paper:#FCFCFB;

  /* Acabado metálico (rango del manual, luz a 135°) */
  --metal:linear-gradient(135deg,#F4F4F0 0%,#D6D7D1 35%,#C7C8C2 55%,#8D8E86 100%);
  --metal-line:linear-gradient(90deg,#8D8E86 0%,#E8E8E3 30%,#C7C8C2 60%,#8D8E86 100%);

  --ink:#3a3a35;        /* texto cuerpo, ligeramente más suave que grafito */
  --ink-soft:#6f7068;

  --maxw:1180px;
  --gutter:clamp(20px,5vw,64px);
  --r:8px;              /* radios suaves y modernos */
  --r-lg:18px;          /* tarjetas y bloques destacados */

  /* Acento azul acero — color vivo de la marca web */
  --accent:#1E3A5C;
  --accent-bright:#3E6EA5;
  --accent-deep:#142A43;
  --accent-tint:#EDF2F8;
  --accent-line:linear-gradient(90deg,#1E3A5C,#3E6EA5);

  --shadow-card:0 1px 0 rgba(69,69,63,.04),0 18px 40px -28px rgba(22,22,20,.35);
  --t:.45s cubic-bezier(.2,.7,.2,1);
}

/* ---------- Reset ---------- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:"Inter",Arial,Helvetica,sans-serif;
  color:var(--ink);
  background:var(--paper);
  line-height:1.65;
  font-size:17px;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
ul{list-style:none}

/* ---------- Tipografía ---------- */
h1,h2,h3,h4,.display{
  font-family:"Montserrat",Arial,Helvetica,sans-serif;
  color:var(--graphite);
  font-weight:700;
  line-height:1.12;
  letter-spacing:-.01em;
}
h1{font-size:clamp(2.2rem,5.2vw,3.6rem);font-weight:700}
h2{font-size:clamp(1.7rem,3.6vw,2.6rem)}
h3{font-size:clamp(1.15rem,2vw,1.45rem);font-weight:600;letter-spacing:0}
p{max-width:62ch}

.eyebrow{
  font-family:"Montserrat",Arial,sans-serif;
  font-weight:600;
  font-size:.72rem;
  letter-spacing:.34em;
  text-transform:uppercase;
  color:var(--steel);
  display:inline-flex;
  align-items:center;
  gap:.85rem;
}
.eyebrow::before{
  content:"";width:34px;height:2px;
  background:var(--metal-line);
  display:inline-block;border-radius:2px;
}
.eyebrow.center{justify-content:center}

.lead{font-size:clamp(1.05rem,1.6vw,1.2rem);color:var(--ink-soft);max-width:60ch}

/* ---------- Layout ---------- */
.container{max-width:var(--maxw);margin-inline:auto;padding-inline:var(--gutter)}
.section{padding-block:clamp(64px,9vw,120px)}
.section--tight{padding-block:clamp(48px,6vw,80px)}
.section--dark{background:var(--bg-dark);color:var(--platinum)}
.section--dark h1,.section--dark h2,.section--dark h3{color:var(--white)}
.section--dark .eyebrow{color:var(--silver)}
.section--paper{background:var(--white)}
.section--platinum{background:linear-gradient(180deg,var(--paper),#F3F3EF)}

.metal-rule{height:2px;background:var(--metal-line);border:0;border-radius:2px;opacity:.85}

.center{text-align:center}
.measure{max-width:64ch}
.measure.center{margin-inline:auto}

.section-head{max-width:none;margin-bottom:clamp(32px,4vw,52px)}
.section-head .eyebrow{margin-bottom:1rem}
.section-head h2{max-width:18ch}
.section-head.center h2{margin-inline:auto}
.section-head p{margin-top:1.1rem}
.section-head.center p{margin-inline:auto}

/* ---------- Botones ---------- */
.btn{
  display:inline-flex;align-items:center;gap:.6rem;
  font-family:"Montserrat",Arial,sans-serif;
  font-weight:600;font-size:.84rem;letter-spacing:.08em;text-transform:uppercase;
  padding:.95em 1.7em;border-radius:var(--r);border:1.5px solid transparent;
  cursor:pointer;transition:transform var(--t),background var(--t),color var(--t),border-color var(--t),box-shadow var(--t);
  line-height:1;white-space:nowrap;
}
.btn .arrow{transition:transform var(--t)}
.btn:hover .arrow{transform:translateX(4px)}
.btn--primary{background:var(--graphite);color:var(--white)}
.btn--primary:hover{background:var(--black);transform:translateY(-2px);box-shadow:0 14px 28px -16px rgba(22,22,20,.6)}
.btn--ghost{background:transparent;color:var(--graphite);border-color:var(--silver)}
.btn--ghost:hover{border-color:var(--graphite);background:rgba(69,69,63,.04)}
.btn--light{background:var(--platinum);color:var(--graphite)}
.btn--light:hover{background:var(--white);transform:translateY(-2px)}
.btn--ghost-light{background:transparent;color:var(--platinum);border-color:rgba(232,232,227,.4)}
.btn--ghost-light:hover{border-color:var(--platinum);background:rgba(232,232,227,.08)}
.btn-row{display:flex;flex-wrap:wrap;gap:1rem;margin-top:2rem}
.btn-row.center{justify-content:center}

/* ============================================================
   HEADER / NAV
   ============================================================ */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(252,252,251,.82);
  backdrop-filter:saturate(140%) blur(14px);
  -webkit-backdrop-filter:saturate(140%) blur(14px);
  border-bottom:1px solid rgba(139,140,132,.18);
  transition:box-shadow var(--t),background var(--t);
}
.site-header.scrolled{box-shadow:0 10px 30px -24px rgba(22,22,20,.5)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:1.5rem;height:62px;transition:height var(--t)}
.site-header.scrolled .nav{height:54px}
.site-header.scrolled .brand-logo{height:32px}

/* Marca horizontal: monograma | línea | wordmark */
.brand{display:flex;align-items:center;gap:.85rem;flex-shrink:0}
.brand img{height:40px;width:auto}
.brand-logo{height:36px;width:auto;display:block;transition:height var(--t)}
@media(max-width:560px){.brand-logo{height:32px}}
.brand .divider{width:1px;height:30px;background:var(--silver)}
.brand .wordmark{
  font-family:"Montserrat",Arial,sans-serif;font-weight:600;
  font-size:.98rem;letter-spacing:.18em;color:var(--graphite);
  text-transform:uppercase;line-height:1;
}

.nav-links{display:flex;align-items:center;gap:.4rem}
.nav-links > li{position:relative}
.nav-link{
  font-family:"Montserrat",Arial,sans-serif;font-weight:500;
  font-size:.82rem;letter-spacing:.1em;text-transform:uppercase;color:var(--graphite);
  padding:.7rem .85rem;display:inline-flex;align-items:center;gap:.35rem;border-radius:var(--r);
  transition:color var(--t),background var(--t);
}
.nav-link:hover,.nav-link[aria-current="page"]{color:var(--black)}
.nav-link[aria-current="page"]{position:relative}
.nav-link[aria-current="page"]::after{
  content:"";position:absolute;left:.85rem;right:.85rem;bottom:.35rem;height:2px;
  background:var(--metal-line);border-radius:2px;
}
.nav-link .caret{width:8px;height:8px;border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;transform:rotate(45deg) translateY(-2px);opacity:.55;transition:transform var(--t)}

.has-dropdown:hover .caret,.has-dropdown:focus-within .caret{transform:rotate(225deg) translateY(-1px)}

.dropdown{
  position:absolute;top:calc(100% + 6px);left:0;min-width:266px;
  background:var(--white);border:1px solid rgba(139,140,132,.2);border-radius:var(--r);
  box-shadow:0 24px 50px -28px rgba(22,22,20,.5);
  padding:.5rem;opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity var(--t),transform var(--t),visibility var(--t);
}
.has-dropdown:hover .dropdown,.has-dropdown:focus-within .dropdown{opacity:1;visibility:visible;transform:translateY(0)}
.dropdown a{
  display:block;padding:.7rem .85rem;border-radius:var(--r);font-size:.92rem;color:var(--ink);
  transition:background var(--t),color var(--t);
}
.dropdown a:hover{background:#F3F3EF;color:var(--graphite)}

.nav-cta{margin-left:.4rem}

/* Hamburguesa */
.nav-toggle{display:none;background:none;border:0;cursor:pointer;width:44px;height:44px;flex-direction:column;justify-content:center;gap:5px;align-items:flex-end}
.nav-toggle span{display:block;height:2px;background:var(--graphite);transition:transform var(--t),opacity var(--t),width var(--t)}
.nav-toggle span:nth-child(1){width:24px}
.nav-toggle span:nth-child(2){width:18px}
.nav-toggle span:nth-child(3){width:24px}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);width:24px}
.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);width:24px}

/* ============================================================
   HERO
   ============================================================ */
.hero{position:relative;overflow:hidden}
.hero-grid{
  display:grid;grid-template-columns:1.15fr .85fr;align-items:stretch;gap:0;
  min-height:min(78vh,640px);
}
.hero-copy{padding:clamp(48px,7vw,90px) clamp(24px,4vw,56px) clamp(48px,7vw,90px) 0;align-self:center}
.hero-copy h1{margin:1.1rem 0 1.3rem}
.hero-copy .lead{margin-bottom:.4rem}

.hero-seal{
  position:relative;background:var(--bg-dark);
  display:flex;align-items:center;justify-content:center;
  padding:clamp(40px,5vw,70px);
  margin-right:calc(var(--gutter)*-1);
}
.hero-seal::before{
  content:"";position:absolute;inset:18px;border:1px solid rgba(195,196,190,.22);border-radius:var(--r);
  pointer-events:none;
}
.hero-seal img{width:min(340px,72%);filter:drop-shadow(0 30px 50px rgba(0,0,0,.55))}
.hero-seal .seal-cap{
  position:absolute;bottom:30px;left:0;right:0;text-align:center;
  font-family:"Montserrat",Arial,sans-serif;font-weight:600;font-size:.7rem;
  letter-spacing:.42em;text-transform:uppercase;color:var(--silver);
}

/* Hero alterno para páginas internas */
.page-hero{background:var(--bg-dark);color:var(--platinum);padding-block:clamp(70px,10vw,120px);position:relative;overflow:hidden}
.page-hero::after{content:"";position:absolute;right:-6%;top:50%;transform:translateY(-50%);width:380px;height:380px;background:radial-gradient(circle,rgba(195,196,190,.10),transparent 65%);pointer-events:none}
.page-hero .eyebrow{color:var(--silver)}
.page-hero h1{color:var(--white);margin:1rem 0 1.1rem;max-width:20ch}
.page-hero p{color:var(--silver);max-width:58ch}
.page-hero .container{position:relative;z-index:1}

/* ============================================================
   GRIDS & CARDS
   ============================================================ */
.grid{display:grid;gap:clamp(18px,2.4vw,28px)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}

.card{
  background:var(--white);border:1px solid rgba(139,140,132,.18);border-radius:var(--r);
  padding:clamp(26px,3vw,38px);position:relative;
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-card);border-color:rgba(139,140,132,.32)}
.card h3{margin-bottom:.5rem}
.card p{color:var(--ink-soft);font-size:.98rem}
.card .card-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:1.1rem}
.card ul.ticks{margin-top:1rem;display:grid;gap:.55rem}
.card ul.ticks li{position:relative;padding-left:1.4rem;font-size:.96rem;color:var(--ink)}
.card ul.ticks li::before{
  content:"";position:absolute;left:0;top:.55em;width:9px;height:9px;border-radius:50%;
  background:var(--metal);box-shadow:0 0 0 3px rgba(195,196,190,.25);
}

/* Tarjeta de línea de negocio (destacada) */
.line-card{padding:clamp(30px,3.5vw,46px)}
.line-card .tag{
  font-family:"Montserrat",Arial,sans-serif;font-weight:600;font-size:.68rem;letter-spacing:.26em;
  text-transform:uppercase;color:var(--steel);
}
.line-card h3{font-size:clamp(1.3rem,2.2vw,1.7rem);font-weight:700;margin:.5rem 0 1rem}

/* Pilares (por qué) */
.pillar{padding:0}
.pillar .num{
  font-family:"Montserrat",Arial,sans-serif;font-weight:700;font-size:1.05rem;
  width:46px;height:46px;display:flex;align-items:center;justify-content:center;border-radius:50%;
  background:var(--bg-dark);color:transparent;background-clip:padding-box;position:relative;margin-bottom:1.1rem;
}
.pillar .num span{background:var(--metal);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;font-weight:700}
.pillar h3{margin-bottom:.4rem}
.pillar p{color:var(--ink-soft);font-size:.97rem}

/* Sector item */
.sector{display:flex;gap:1.1rem;align-items:flex-start}
.sector .ico{flex-shrink:0;width:50px;height:50px;border:1px solid var(--silver);border-radius:var(--r);display:flex;align-items:center;justify-content:center;background:var(--white)}
.sector .ico svg{width:24px;height:24px;stroke:var(--graphite);fill:none;stroke-width:1.6}
.sector h3{font-size:1.1rem;font-weight:600;margin-bottom:.25rem}
.sector p{font-size:.95rem;color:var(--ink-soft)}

/* ============================================================
   METODOLOGÍA (secuencia real → numeración justificada)
   ============================================================ */
.method{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:2px solid transparent;border-image:var(--metal-line) 1}
.method .step{padding:clamp(24px,3vw,40px) clamp(18px,2vw,28px) 0;position:relative}
.method .step:not(:last-child)::after{content:"";position:absolute;right:0;top:24px;bottom:0;width:1px;background:rgba(139,140,132,.22)}
.method .step .num{
  font-family:"Montserrat",Arial,sans-serif;font-weight:700;font-size:2.4rem;line-height:1;
  background:var(--metal);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
  display:block;margin-bottom:.9rem;
}
.method .step h3{font-size:1.15rem;margin-bottom:.4rem}
.method .step p{font-size:.95rem;color:var(--ink-soft)}

/* ============================================================
   QUIÉNES SOMOS / valores
   ============================================================ */
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,5vw,72px);align-items:center}
.mv-card{background:var(--white);border:1px solid rgba(139,140,132,.18);border-radius:var(--r);padding:clamp(30px,4vw,48px)}
.mv-card + .mv-card{margin-top:clamp(18px,2vw,24px)}
.mv-card .eyebrow{margin-bottom:.9rem}
.values-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:1px;background:rgba(139,140,132,.2);border:1px solid rgba(139,140,132,.2);border-radius:var(--r);overflow:hidden}
.values-list li{background:var(--white);padding:1.6rem 1.4rem;display:flex;flex-direction:column;gap:.4rem}
.values-list .v-name{font-family:"Montserrat",Arial,sans-serif;font-weight:600;color:var(--graphite);letter-spacing:.02em}
.values-list .v-desc{font-size:.9rem;color:var(--ink-soft)}

.stat-row{display:flex;flex-wrap:wrap;gap:clamp(28px,5vw,64px);margin-top:2.4rem}
.stat .n{font-family:"Montserrat",Arial,sans-serif;font-weight:700;font-size:clamp(2rem,4vw,2.8rem);background:var(--metal);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.stat .l{font-size:.85rem;color:var(--ink-soft);letter-spacing:.04em;text-transform:uppercase}

/* ============================================================
   CTA band
   ============================================================ */
.cta-band{background:var(--bg-dark);color:var(--platinum);text-align:center}
.cta-band .container{padding-block:clamp(60px,8vw,96px)}
.cta-band h2{color:var(--white);max-width:22ch;margin-inline:auto}
.cta-band p{color:var(--silver);margin:1.1rem auto 0;max-width:50ch}

/* ============================================================
   CONTACTO
   ============================================================ */
.contact-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(32px,5vw,64px);align-items:start}
.form{background:var(--white);border:1px solid rgba(139,140,132,.2);border-radius:var(--r);padding:clamp(28px,4vw,44px)}
.field{margin-bottom:1.15rem}
.field label{display:block;font-family:"Montserrat",Arial,sans-serif;font-weight:500;font-size:.78rem;letter-spacing:.06em;text-transform:uppercase;color:var(--graphite);margin-bottom:.5rem}
.field input,.field select,.field textarea{
  width:100%;font-family:inherit;font-size:1rem;color:var(--ink);
  padding:.85rem 1rem;background:var(--paper);
  border:1.5px solid rgba(139,140,132,.3);border-radius:var(--r);
  transition:border-color var(--t),box-shadow var(--t),background var(--t);
}
.field input:focus,.field select:focus,.field textarea:focus{outline:0;border-color:var(--graphite);background:var(--white);box-shadow:0 0 0 4px rgba(195,196,190,.25)}
.field textarea{resize:vertical;min-height:130px}
.field.error input,.field.error select,.field.error textarea{border-color:#9a4b3f}
.field .err-msg{color:#9a4b3f;font-size:.82rem;margin-top:.4rem;display:none}
.field.error .err-msg{display:block}
.form-note{font-size:.85rem;color:var(--ink-soft);margin-top:.5rem}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.form-status{margin-top:1rem;font-size:.92rem;padding:.9rem 1rem;border-radius:var(--r);display:none}
.form-status.show{display:block}
.form-status.ok{background:rgba(141,142,134,.14);color:var(--graphite);border:1px solid var(--silver)}

.contact-info .info-item{display:flex;gap:1rem;padding:1.2rem 0;border-bottom:1px solid rgba(139,140,132,.2)}
.contact-info .info-item:first-child{padding-top:0}
.contact-info .ico{flex-shrink:0;width:42px;height:42px;border:1px solid var(--silver);border-radius:var(--r);display:flex;align-items:center;justify-content:center}
.contact-info .ico svg{width:20px;height:20px;stroke:var(--graphite);fill:none;stroke-width:1.6}
.contact-info .info-item .k{font-family:"Montserrat",Arial,sans-serif;font-weight:600;font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;color:var(--steel);margin-bottom:.2rem}
.contact-info .info-item .val{color:var(--ink);font-size:1rem}
.contact-info .info-item .val a:hover{color:var(--black);text-decoration:underline}
.social-row{display:flex;gap:.8rem;margin-top:1.6rem}
.social-row a{width:46px;height:46px;border:1px solid var(--silver);border-radius:var(--r);display:flex;align-items:center;justify-content:center;transition:background var(--t),transform var(--t),border-color var(--t)}
.social-row a:hover{background:var(--graphite);transform:translateY(-2px);border-color:var(--graphite)}
.social-row a:hover svg{stroke:var(--white)}
.social-row svg{width:22px;height:22px;stroke:var(--graphite);fill:none;stroke-width:1.6;transition:stroke var(--t)}
.social-row--footer{margin-top:1.1rem;gap:.55rem}
.social-row--footer a{width:38px;height:38px;border-color:rgba(232,232,232,.28)}
.social-row--footer svg{width:18px;height:18px;stroke:var(--silver)}
.social-row--footer a:hover{background:var(--platinum);border-color:var(--platinum);transform:translateY(-2px)}
.social-row--footer a:hover svg{stroke:var(--black)}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer{background:var(--black);color:var(--silver);padding-block:clamp(54px,7vw,80px) 0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:clamp(28px,4vw,56px)}
.footer-brand img{height:44px;width:auto;margin-bottom:1.3rem}
.footer-brandmark{display:inline-flex;align-items:center;gap:.75rem;margin-bottom:1.3rem;text-decoration:none}
.footer-brandmark img{height:42px;width:auto;margin:0;filter:drop-shadow(0 2px 6px rgba(0,0,0,.5))}
.footer-brandmark span{font-family:"Montserrat",Arial,sans-serif;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--platinum);font-size:.98rem;line-height:1.05}
.footer-brand .wm{font-family:"Montserrat",Arial,sans-serif;font-weight:600;letter-spacing:.18em;color:var(--platinum);text-transform:uppercase;font-size:1rem;margin-bottom:.9rem}
.footer-brand p{font-size:.92rem;color:var(--steel);max-width:34ch}
.footer-col h4{font-family:"Montserrat",Arial,sans-serif;font-size:.72rem;font-weight:600;letter-spacing:.2em;text-transform:uppercase;color:var(--platinum);margin-bottom:1.1rem}
.footer-col ul{display:grid;gap:.65rem}
.footer-col a{font-size:.94rem;color:var(--silver);transition:color var(--t)}
.footer-col a:hover{color:var(--white)}
.footer-bottom{margin-top:clamp(40px,5vw,64px);border-top:1px solid rgba(195,196,190,.14);padding-block:1.6rem;display:flex;flex-wrap:wrap;justify-content:space-between;gap:1rem;font-size:.82rem;color:var(--steel)}

/* ============================================================
   Reveal on scroll
   ============================================================ */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s ease,transform .7s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}
.reveal.d1{transition-delay:.08s}.reveal.d2{transition-delay:.16s}.reveal.d3{transition-delay:.24s}.reveal.d4{transition-delay:.32s}

/* ============================================================
   REFINAMIENTOS PREMIUM — v1.1
   Detalles de alta gama, coherentes con el sistema metálico.
   ============================================================ */

/* Enlace de salto accesible */
.skip-link{
  position:absolute;left:-9999px;top:0;z-index:300;
  background:var(--graphite);color:var(--white);
  padding:.7rem 1.1rem;border-radius:var(--r);
  font-family:"Montserrat",Arial,sans-serif;font-size:.78rem;letter-spacing:.06em;
}
.skip-link:focus{left:12px;top:12px}

/* Foco visible coherente en toda la navegación por teclado */
a:focus-visible,button:focus-visible,input:focus-visible,
select:focus-visible,textarea:focus-visible{
  outline:2px solid var(--graphite);outline-offset:3px;border-radius:var(--r);
}

/* Barra de progreso de lectura (acento metálico, inyectada por JS) */
.scroll-progress{
  position:fixed;top:0;left:0;height:3px;width:0;z-index:200;
  background:var(--metal-line);
  box-shadow:0 0 12px rgba(195,196,190,.45);
  will-change:width;
}

/* Textura sutil de rejilla en los hero (puntos + desvanecido) */
.hero::before,.page-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(circle at 1px 1px, currentColor 1px, transparent 0) 0 0/26px 26px;
  opacity:.05;
}
.hero::before{color:var(--graphite);
  -webkit-mask-image:linear-gradient(95deg,#000,transparent 64%);
  mask-image:linear-gradient(95deg,#000,transparent 64%);
  opacity:.6;
  background:radial-gradient(circle at 1px 1px, rgba(139,140,132,.16) 1px, transparent 0) 0 0/26px 26px;
}
.page-hero::before{color:var(--silver);opacity:.08}

/* Anillo ornamental que gira lentamente tras el sello del hero */
.hero-seal img{position:relative;z-index:2}
.hero-seal::after{
  content:"";position:absolute;top:50%;left:50%;z-index:0;
  width:min(440px,92%);aspect-ratio:1;transform:translate(-50%,-50%);
  border-radius:50%;pointer-events:none;
  background:conic-gradient(from 0deg,transparent 0 76%,rgba(195,196,190,.24) 86%,transparent 95%);
  -webkit-mask:radial-gradient(closest-side,transparent 70%,#000 71%);
  mask:radial-gradient(closest-side,transparent 70%,#000 71%);
  animation:gaSpin 30s linear infinite;
}
@keyframes gaSpin{to{transform:translate(-50%,-50%) rotate(360deg)}}

/* Barra de confianza bajo el hero */
.trust{background:var(--white);border-block:1px solid rgba(139,140,132,.16)}
.trust .container{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:1.2rem 2rem;padding-block:1.5rem;
}
.trust .t-item{
  display:flex;align-items:center;gap:.7rem;
  font-family:"Montserrat",Arial,sans-serif;font-weight:600;
  font-size:.74rem;letter-spacing:.14em;text-transform:uppercase;color:var(--steel);
}
.trust .t-item svg{width:21px;height:21px;stroke:var(--graphite);fill:none;stroke-width:1.5;flex-shrink:0}

/* Barrido de luz al pasar el cursor sobre las tarjetas */
.card{overflow:hidden}
.card::after{
  content:"";position:absolute;top:0;left:-65%;width:48%;height:100%;z-index:1;
  background:linear-gradient(100deg,transparent,rgba(255,255,255,.5),transparent);
  transform:skewX(-18deg);pointer-events:none;
  transition:left .75s cubic-bezier(.2,.7,.2,1);
}
.card:hover::after{left:135%}
.card > *{position:relative;z-index:2}

/* Acento metálico superior que aparece en las tarjetas de línea de negocio */
.line-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;z-index:3;
  background:var(--metal-line);transform:scaleX(0);transform-origin:left;
  transition:transform .6s cubic-bezier(.2,.7,.2,1);
}
.line-card:hover::before{transform:scaleX(1)}

/* Stat: números con tabular para que no “bailen” al contar */
.stat .n{font-variant-numeric:tabular-nums}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media(max-width:980px){
  .hero-grid{grid-template-columns:1fr;min-height:0}
  .hero-copy{padding:clamp(40px,8vw,64px) 0 clamp(8px,4vw,24px)}
  .hero-seal{margin:0 calc(var(--gutter)*-1);padding:clamp(48px,10vw,72px)}
  .hero-seal img{width:min(280px,60%)}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .method{grid-template-columns:repeat(2,1fr)}
  .method .step:nth-child(2)::after{display:none}
  .contact-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .split{grid-template-columns:1fr}
}
@media(max-width:760px){
  .nav-toggle{display:flex}
  .nav-links{
    position:fixed;inset:62px 0 auto 0;background:var(--white);
    flex-direction:column;align-items:stretch;gap:0;padding:1rem var(--gutter) 1.5rem;
    border-bottom:1px solid rgba(139,140,132,.2);box-shadow:0 24px 40px -30px rgba(0,0,0,.5);
    transform:translateY(-115%);transition:transform var(--t);max-height:calc(100vh - 62px);overflow:auto;
  }
  .nav-links.open{transform:translateY(0)}
  .nav-links > li{border-bottom:1px solid rgba(139,140,132,.14)}
  .nav-link{padding:1rem .25rem;font-size:.95rem}
  .nav-link[aria-current="page"]::after{display:none}
  .nav-cta{margin:1rem 0 0}
  .nav-cta .btn{width:100%;justify-content:center}
  .dropdown{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;border:0;padding:0 0 .6rem .6rem;min-width:0;display:none}
  .has-dropdown.open .dropdown{display:block}
  .dropdown a{padding:.6rem .6rem;font-size:.9rem;color:var(--ink-soft)}
  .caret{margin-left:auto}
}
@media(max-width:560px){
  .grid-2,.grid-3,.grid-4,.method,.form-row{grid-template-columns:1fr}
  .method .step::after{display:none!important}
  .footer-grid{grid-template-columns:1fr}
  .brand .wordmark{display:none}
}

@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none}
}

/* ============================================================
   MODERNIZACIÓN v1.2 — acento azul acero + más dinamismo
   ============================================================ */

/* --- Acento de color en elementos clave --- */
.eyebrow{color:var(--accent)}
.eyebrow::before{background:var(--accent-line)}

/* CTA primario en azul acento */
.btn--primary{background:var(--accent)}
.btn--primary:hover{background:var(--accent-deep);box-shadow:0 16px 30px -16px rgba(30,58,92,.55)}
.btn--ghost:hover{border-color:var(--accent);color:var(--accent);background:var(--accent-tint)}

/* Enlaces de cuerpo con color de marca */
.split p a:not(.btn),.mv-card p a:not(.btn){color:var(--accent);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}

/* Navegación: hover y activo en azul */
.nav-link:hover{color:var(--accent)}
.nav-link[aria-current="page"]{color:var(--accent)}
.nav-link[aria-current="page"]::after{background:var(--accent-line)}
.scroll-progress{background:var(--accent-line);box-shadow:0 0 12px rgba(62,110,165,.5)}

/* --- Tarjetas modernas: radios suaves, sombra en capas, acento --- */
.card{border-radius:var(--r-lg);box-shadow:0 1px 2px rgba(22,22,20,.04)}
.card:hover{box-shadow:0 26px 50px -28px rgba(20,42,67,.42);border-color:rgba(30,58,92,.24)}
.line-card::before{background:var(--accent-line)}
.mv-card,.form,.values-list{border-radius:var(--r-lg)}
.dropdown{border-radius:14px}

/* Íconos con acento azul */
.sector .ico,.contact-info .ico{border-color:rgba(30,58,92,.20);background:var(--accent-tint)}
.sector .ico svg,.contact-info .ico svg{stroke:var(--accent)}
.trust .t-item svg{stroke:var(--accent)}
.social-row a:hover{background:var(--accent);border-color:var(--accent)}

/* Pilares: círculo numerado en azul sólido */
.pillar .num{background:var(--accent)}
.pillar .num span{background:none;-webkit-text-fill-color:#fff;color:#fff}

/* Metodología: números más legibles y con color, regla superior azul */
.method{border-image:var(--accent-line) 1}
.method .step .num{background:var(--accent-line);-webkit-background-clip:text;background-clip:text}
.stat .l{color:var(--accent)}

/* Formularios: foco en azul de marca */
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--accent);box-shadow:0 0 0 4px var(--accent-tint)}

/* --- Héroe y cabeceras en azul profundo (el monograma metálico resalta) --- */
.hero-seal{background:linear-gradient(150deg,#21354f 0%,#16293f 55%,#0f2032 100%)}
.hero-seal::before{border-color:rgba(120,160,205,.30)}
.hero-seal .seal-cap{color:#9fb6d2}
.hero-copy h1{font-size:clamp(1.75rem,3.4vw,2.65rem)}

/* Sello: pieza metálica sólida, separada del fondo (contorno + profundidad) */
.hero-seal img{filter:drop-shadow(0 1px 1px rgba(0,0,0,.5)) drop-shadow(0 20px 40px rgba(0,0,0,.55))}

.page-hero{background:linear-gradient(150deg,#1c2c44 0%,#15263b 60%,#101f31 100%)}
.page-hero .eyebrow{color:#9fb6d2}
.page-hero::after{background:radial-gradient(circle,rgba(120,160,205,.16),transparent 65%)}

/* Banda CTA y sección oscura en azul para dar ritmo y contraste */
.cta-band{background:linear-gradient(120deg,#1d2f48 0%,#15293f 55%,#0f1d2e 100%)}
.cta-band .eyebrow{color:#9fb6d2}
.section--dark{background:linear-gradient(150deg,#1b2b42,#121f31)}
.section--dark .eyebrow{color:#9fb6d2}

/* Secciones claras con un matiz frío sutil (menos monótono) */
.section--platinum{background:linear-gradient(180deg,#fbfcfe,#eef2f7)}

/* Línea del eyebrow legible sobre fondos oscuros */
.page-hero .eyebrow::before,
.cta-band .eyebrow::before,
.section--dark .eyebrow::before{background:linear-gradient(90deg,#5b82ae,#9fb6d2)}

/* Titulares con más presencia */
h1{letter-spacing:-.02em}
h2{letter-spacing:-.015em}