/* ==========================================================================
   Instalac — main.css  ·  tokens lockeados Fase 1 (derivados de /marca)
   ========================================================================== */

:root{
  /* Navy & oscuros */
  --navy-900:#101828; --navy-800:#16233B; --navy-700:#183048; --navy-600:#1E3C5A;
  /* Azules */
  --blue-700:#245A95; --blue-600:#2F6FB3; --blue-500:#3D7AC0; --blue-400:#6090C0;
  /* Cian (acento) */
  --cyan-600:#3592AC; --cyan-500:#48A8C0; --cyan-300:#90D8D8;
  /* Neutros fríos */
  --ink:#1C1C22; --ink-soft:#3A4150; --grey-500:#6B7280; --grey-300:#C8CFD8;
  --grey-200:#E2E7ED; --grey-100:#EEF1F5; --base:#F4F6F8; --paper:#FFFFFF;

  /* Navy intermedio (gradiente tile destacado) */
  --navy-650:#16314E;
  /* Acero: texto sobre superficies oscuras (navy). De claro a oscuro. */
  --steel-50:#D5DEEA; --steel-100:#C6D2E2; --steel-200:#B9C7DA; --steel-300:#9FB0C6;
  --steel-400:#94AAC4; --steel-450:#7FA6C8; --steel-500:#8295AE; --steel-600:#7E92AC;
  --steel-700:#516E8C; --steel-800:#4D6378;
  /* Estados de formulario */
  --ok-bg:#E7F6EC; --ok-border:#9FD8B3; --ok-text:#1C6B3A;
  --err-bg:#FCEDED; --err-border:#E7A9A9; --err-text:#9B2C2C;
  /* WhatsApp (marca externa) */
  --wa:#25D366; --wa-dark:#1EBE57;

  --radius:6px;
  --maxw:1140px;
  --gutter:24px;
  --header-h:90px;

  --font-display:'Archivo',system-ui,-apple-system,sans-serif;
  --font-body:'Inter',system-ui,-apple-system,sans-serif;

  --ease:cubic-bezier(.4,0,.2,1);
}

/* --- Reset acotado --- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--font-body);color:var(--ink);background:var(--base);
  line-height:1.6;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img,svg{max-width:100%;height:auto;display:block}
a{color:var(--blue-700);text-decoration:none}
a:hover{color:var(--blue-600)}
h1,h2,h3,h4{font-family:var(--font-display);line-height:1.12;letter-spacing:-.01em;color:var(--ink);margin:0 0 .5em;text-wrap:balance}
p{margin:0 0 1em}
ul{margin:0;padding:0;list-style:none}
button{font:inherit}

.wrap{max-width:var(--maxw);margin-inline:auto;padding-inline:var(--gutter)}
.skip-link{position:absolute;left:-9999px;top:0;z-index:200;background:var(--navy-700);color:#fff;
  padding:10px 16px;border-radius:0 0 var(--radius) 0}
.skip-link:focus{left:0;color:#fff}
/* Solo para lectores de pantalla. */
.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}

/* --- Botones --- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-family:var(--font-display);font-weight:600;font-size:15px;line-height:1;
  padding:13px 22px;border-radius:var(--radius);border:1.5px solid transparent;cursor:pointer;
  touch-action:manipulation;-webkit-tap-highlight-color:transparent;
  transition:background .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease)}
.btn--primary{background:var(--blue-600);color:#fff}
.btn--primary:hover{background:var(--blue-700);color:#fff}
.btn--ghost{background:transparent;color:var(--blue-700);border-color:var(--grey-300)}
.btn--ghost:hover{border-color:var(--blue-600);color:var(--blue-600)}
.btn--ghost-light{color:#fff;border-color:rgba(255,255,255,.4)}
.btn--ghost-light:hover{color:#fff;border-color:#fff}
.btn:focus-visible{outline:2px solid var(--cyan-500);outline-offset:3px}

/* --- Marca --- */
.brand{display:inline-flex;align-items:center}
.brand__logo{height:64px;width:auto;display:block;transition:height .2s var(--ease)}
.site-footer__logo{height:64px;width:auto;display:block;filter:brightness(0) invert(1)}

/* --- Header --- */
.site-header{position:sticky;top:0;z-index:100;background:rgba(244,246,248,.85);
  backdrop-filter:saturate(140%) blur(8px);border-bottom:1px solid var(--grey-200);
  transition:box-shadow .2s var(--ease),background .2s var(--ease)}
.site-header.is-scrolled{box-shadow:0 2px 14px rgba(16,24,40,.07);background:rgba(244,246,248,.96)}
.site-header__inner{display:flex;align-items:center;gap:24px;min-height:var(--header-h);transition:min-height .2s var(--ease)}
/* Logo grande en reposo; al hacer sticky se reduce (solo desktop, donde hay scroll editorial). */
@media (min-width:881px){
  .site-header.is-scrolled .site-header__inner{min-height:72px}
  .site-header.is-scrolled .brand__logo{height:54px}
}
.nav-desktop{margin-left:auto}
.nav-desktop ul{display:flex;gap:26px}
.nav-desktop a{font-family:var(--font-display);font-weight:500;font-size:15px;color:var(--ink-soft);
  padding:6px 0;position:relative}
.nav-desktop a:hover{color:var(--blue-600)}
.nav-desktop a[aria-current="page"]{color:var(--blue-700)}
.nav-desktop a[aria-current="page"]::after{content:"";position:absolute;left:0;right:0;bottom:-2px;
  height:2px;background:var(--cyan-500)}
.nav-cta{flex:none}

/* --- Toggle mobile --- */
.nav-toggle{display:none;margin-left:auto;width:44px;height:44px;background:transparent;border:0;
  flex-direction:column;justify-content:center;gap:5px;cursor:pointer;padding:10px}
.nav-toggle__bar{height:2px;width:100%;background:var(--ink);border-radius:2px;
  transition:transform .25s var(--ease),opacity .2s var(--ease)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* --- Mobile nav overlay --- */
.mobile-nav{position:fixed;inset:var(--header-h) 0 0;z-index:90;background:var(--navy-700);
  color:#fff;padding:18px 0 32px;overflow-y:auto;opacity:0;transform:translateY(-8px);
  transition:opacity .25s var(--ease),transform .25s var(--ease)}
.mobile-nav[hidden]{display:none}
.mobile-nav.is-open{opacity:1;transform:none}
.mobile-nav ul{display:flex;flex-direction:column}
.mobile-nav a{display:block;font-family:var(--font-display);font-weight:600;font-size:17px;
  color:#fff;padding:15px 2px;border-bottom:1px solid rgba(255,255,255,.1)}
.mobile-nav a[aria-current="page"]{color:var(--cyan-300)}
/* Mayor especificidad que `.mobile-nav a` (que forzaba display:block + padding:15px 2px → texto a la izquierda sin padding). */
.mobile-nav .mobile-nav__cta{display:flex;justify-content:center;align-items:center;
  margin-top:24px;width:100%;padding:14px 22px;font-size:15px;border-bottom:0}

/* (El hero del Inicio vive 100% en home.css como .hero — antes había aquí un
   bloque .hero legacy del skeleton que colisionaba; removido para evitar conflicto.) */

/* --- Trust strip --- */
.trust{background:var(--paper);border-bottom:1px solid var(--grey-200)}
.trust__inner{display:flex;flex-wrap:wrap;gap:32px;padding:32px 0}
.trust__item{display:flex;flex-direction:column;gap:4px}
.trust__num{font-family:var(--font-display);font-weight:700;font-size:30px;color:var(--navy-700);
  font-variant-numeric:tabular-nums}
.trust__lbl{font-size:13.5px;color:var(--grey-500)}

/* --- Página genérica / rich text --- */
.page-default{padding:clamp(48px,8vw,88px) 0}
.page-default__header{max-width:760px;margin-bottom:32px}
.page-default__title{font-size:clamp(30px,5vw,46px);font-weight:700}
.rich-text{max-width:760px}
.rich-text h2{font-size:28px;margin-top:1.6em}
.rich-text h3{font-size:21px;margin-top:1.4em}
.rich-text a{border-bottom:1px solid var(--cyan-500)}
.rich-text ul{list-style:disc;padding-left:1.3em;margin:0 0 1em}
.rich-text li{margin-bottom:.4em}

/* --- 404 --- */
.error-404{padding:clamp(72px,12vw,140px) 0;text-align:center}
.error-404__code{font-family:var(--font-display);font-weight:800;font-size:clamp(64px,14vw,128px);
  color:var(--grey-300);line-height:1;margin:0}
.error-404__title{font-size:clamp(26px,4vw,38px);margin:8px 0 12px}
.error-404__text{color:var(--ink-soft);margin-bottom:28px}

/* --- Footer --- */
.site-footer{background:var(--navy-700);color:var(--steel-100);margin-top:auto}
.site-footer__inner{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;
  padding-block:56px 40px}
.site-footer__inner > *{min-width:0}
.site-footer__tagline,.site-footer__contact a{overflow-wrap:anywhere}
.site-footer__tagline{margin-top:16px;font-size:14px;color:var(--steel-300);max-width:340px}
.site-footer h4,.site-footer__nav a,.site-footer__contact a{color:var(--steel-100)}
.site-footer__nav a:hover,.site-footer__contact a:hover{color:#fff}
.site-footer__nav li{margin-bottom:10px;font-family:var(--font-display);font-weight:500}
.site-footer__contact p{margin:0 0 10px;font-size:14px}
.site-footer__legal{border-top:1px solid rgba(255,255,255,.1);padding:20px 0;font-size:13px;color:var(--steel-500)}
.site-footer__legal-inner{display:flex;flex-wrap:wrap;gap:6px 18px;justify-content:space-between;align-items:center}
.site-footer__credit a{color:var(--steel-300);border-bottom:1px solid var(--cyan-500)}
.site-footer__credit a:hover{color:#fff}

/* --- WhatsApp flotante (verde oficial WA) --- */
.wa-float{position:fixed;right:20px;bottom:20px;z-index:120;width:56px;height:56px;border-radius:50%;
  background:var(--wa);color:#fff;display:flex;align-items:center;justify-content:center;
  touch-action:manipulation;-webkit-tap-highlight-color:transparent;
  box-shadow:0 6px 20px rgba(37,211,102,.4);transition:transform .2s var(--ease),background .2s var(--ease)}
.wa-float:hover{background:var(--wa-dark);color:#fff;transform:translateY(-2px)}
.wa-float:focus-visible{outline:2px solid var(--navy-700);outline-offset:3px}

/* --- Reveal on scroll (global; home suma su orquestación en home.css) --- */
[data-reveal]{opacity:0;transform:translateY(18px);
  transition:opacity .7s var(--ease),transform .7s var(--ease)}
[data-reveal].is-visible{opacity:1;transform:none}
/* Sin JS (o si el JS no carga) nada queda oculto — progressive enhancement. */
html:not(.js) [data-reveal]{opacity:1;transform:none}
[data-reveal-delay="1"]{transition-delay:.08s}
[data-reveal-delay="2"]{transition-delay:.16s}
[data-reveal-delay="3"]{transition-delay:.24s}
[data-reveal-delay="4"]{transition-delay:.32s}
@media (prefers-reduced-motion:reduce){
  [data-reveal]{opacity:1;transform:none;transition:none}
}

/* --- Responsive --- */
@media (max-width:880px){
  .nav-desktop,.nav-cta{display:none}
  .nav-toggle{display:flex}
  .site-footer__inner{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:560px){
  :root{--gutter:18px;--header-h:80px} /* mobile: header/logo quedan como estaban (Mario: "perfecto") */
  .site-footer__inner{grid-template-columns:1fr;gap:28px}
  .trust__inner{gap:24px}
  .brand__logo{height:46px}
  .site-footer__legal{font-size:12px}
}

/* --- Bloqueo de scroll cuando el menú mobile está abierto --- */
body.nav-open{overflow:hidden}

@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms!important;transition-duration:.01ms!important}
}