:root{
  --bg: #071426;
  --bg2:#06101d;

  /* un poco más de claridad en superficies */
  --card: rgba(255,255,255,.075);
  --card2: rgba(255,255,255,.095);

  --stroke: rgba(255,255,255,.14);
  --stroke2: rgba(255,255,255,.20);

  --text: rgba(255,255,255,.92);
  --muted: rgba(255,255,255,.72);
  --muted2: rgba(255,255,255,.58);

  --navy: #0b2a52;
  --navy2:#0a2344;
  --blue: #0f4fa6;
  --blue2:#0b3d86;

  --focus: #b8d4ff;
  --ok: #22c55e;
  --warn: #f59e0b;
  --err: #ef4444;

  --radius: 18px;
  --radius2: 26px;
  --shadow: 0 18px 50px rgba(0,0,0,.33);

  --max: 1160px;
  --pad: clamp(18px, 3vw, 28px);
  --pad2: clamp(22px, 4.2vw, 44px);

  --h1: clamp(30px, 3.2vw, 46px);
  --h2: clamp(24px, 2.4vw, 34px);
  --h3: 18px;
  --h4: 16px;

  --airco-blue-soft: rgba(15,79,166,.22);
  --airco-blue-border: rgba(15,79,166,.55);
  --airco-blue-strong: rgba(15,79,166,.85);
  --airco-blue-glow: rgba(15,79,166,.35);
}

*{ box-sizing: border-box; }
html, body{ height: 100%; }
body{
  margin:0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;

  /* ligeramente más claro */
  background:
    radial-gradient(1200px 700px at 15% 20%, rgba(15,79,166,.28), transparent 55%),
    radial-gradient(900px 520px at 80% 15%, rgba(11,42,82,.34), transparent 60%),
    linear-gradient(180deg, rgba(8,24,44,1), rgba(6,16,29,1));

  color: var(--text);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a{ color: inherit; text-decoration: none; }
img{ max-width:100%; display:block; }
strong{ font-weight: 650; }

.skip-link{
  position:absolute; left:-999px; top:auto; width:1px; height:1px; overflow:hidden;
}
.skip-link:focus{
  left: 16px; top: 16px; width:auto; height:auto;
  padding: 10px 12px;
  background: rgba(0,0,0,.75);
  border: 1px solid var(--stroke2);
  border-radius: 12px;
  outline: 2px solid var(--focus);
  z-index: 9999;
}

.wrap{
  width: min(var(--max), calc(100% - (var(--pad) * 2)));
  margin: 0 auto;
}

/* Topbar */
.topbar{
  position: relative;
  background: linear-gradient(90deg, rgba(11,42,82,.92), rgba(7,20,38,.92));
  border-bottom: 1px solid rgba(255,255,255,.12);
}
.topbar__inner{
  width: min(var(--max), calc(100% - (var(--pad) * 2)));
  margin: 0 auto;
  padding: 10px 0;
  display:flex;
  gap: 14px;
  align-items: center;
  justify-content: space-between;
}
.topbar__left{ display:flex; gap: 14px; align-items: center; flex-wrap: wrap; }
.topbar__item{ display:flex; gap: 10px; align-items: center; font-size: 13px; color: rgba(255,255,255,.84); }
.topbar__ico{ width: 16px; height: 16px; opacity: .92; }
.topbar__a{ color: rgba(255,255,255,.90); }
.topbar__a:hover{ color: #fff; }
.topbar__dot{ width: 5px; height: 5px; border-radius: 99px; background: rgba(255,255,255,.38); }

.topbar__right{ display:flex; gap: 10px; align-items:center; }
.social-ico{
  width: 26px; height: 26px;
  display:grid; place-items:center;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,.14);
  background: rgba(255,255,255,.05);
  transition: transform .18s ease, border-color .18s ease, background .18s ease, box-shadow .18s ease;
}
.social-ico img{ width: 16px; height: 16px; opacity: .94; }
.social-ico:hover{
  transform: translateY(-1px);
  border-color: rgba(255,255,255,.24);
  background: rgba(255,255,255,.07);
}
.social-ico--big{ width: 36px; height: 36px; border-radius: 14px; }
.social-ico--big img{ width: 20px; height: 20px; }

/* Header */
.header{
  position: sticky;
  top: 0;
  z-index: 120;
  backdrop-filter: blur(14px);
  background: rgba(7,20,38,.62);
  border-bottom: 1px solid rgba(255,255,255,.12);
}
.header__inner{
  width: min(var(--max), calc(100% - (var(--pad) * 2)));
  margin: 0 auto;
  padding: 12px 0;
  display:flex;
  align-items:center;
  justify-content: space-between;
  gap: 16px;
}
.brand{ display:flex; align-items:center; }
.brand__logo{
  height: 52px;
  width:auto;
  border-radius: 10px;
  filter: drop-shadow(0 6px 18px rgba(0,0,0,.35));
  position: relative;
  z-index: 121;
}

.nav{
  display:flex;
  gap: 22px;
  align-items:center;
}
.nav-link{
  font-size: 14px;
  letter-spacing: .2px;
  color: rgba(255,255,255,.80);
  position: relative;
  padding: 10px 10px;
  border-radius: 14px;
  transition: background .18s ease, color .18s ease;
}
.nav-link:hover{
  color: rgba(255,255,255,.96);
  background: rgba(255,255,255,.07);
}
.nav-link.is-active{
  color: #fff;
  background: rgba(15,79,166,.22);
  border: 1px solid rgba(184,212,255,.18);
}

.header__actions{ display:flex; gap: 10px; align-items:center; }

/* Buttons */
.btn{
  border: 1px solid rgba(255,255,255,.16);
  background: rgba(255,255,255,.07);
  color: rgba(255,255,255,.93);
  padding: 10px 14px;
  border-radius: 14px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .2px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap: 10px;
  transition: transform .18s ease, background .18s ease, border-color .18s ease;
}
.btn:hover{ transform: translateY(-1px); border-color: rgba(255,255,255,.24); background: rgba(255,255,255,.09); }
.btn:active{ transform: translateY(0px); }

.btn--primary{
  background: linear-gradient(180deg, rgba(15,79,166,.98), rgba(11,61,134,.98));
  border-color: rgba(184,212,255,.20);
  color: #fff;
  box-shadow: 0 14px 40px rgba(15,79,166,.26);
}
.btn--primary:hover{
  background: linear-gradient(180deg, rgba(15,79,166,1), rgba(11,61,134,1));
  border-color: rgba(184,212,255,.32);
}
.btn--ghost{ background: rgba(255,255,255,.05); }
.btn--contrast{
  background: rgba(255,255,255,.11);
  border-color: rgba(255,255,255,.22);
}
.btn--full{ width: 100%; }

/* Burger */
.burger{
  width: 44px; height: 44px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,.16);
  background: rgba(255,255,255,.07);
  display:none;
  cursor:pointer;
  padding: 0;
  position: relative;
  z-index: 122;
  transition: box-shadow .18s ease, border-color .18s ease, background .18s ease;
}
.burger:hover{
  border-color: rgba(184,212,255,.24);
  box-shadow: 0 0 0 4px rgba(15,79,166,.10);
}
.burger__bar{
  width: 18px; height: 2px;
  background: rgba(255,255,255,.92);
  display:block;
  margin: 5px auto;
  border-radius: 99px;
}

/* MENU MODAL */
.menu-modal{ position: fixed; inset: 0; z-index: 1000; }
.menu-modal__backdrop{
  position:absolute; inset:0;
  background: rgba(0,0,0,.30);
  backdrop-filter: blur(7px);
}
.menu-modal__dialog{
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: min(560px, calc(100% - 28px));
  max-height: min(78vh, 760px);
  overflow: auto;
  background: linear-gradient(180deg, rgba(7,20,38,.66), rgba(6,16,29,.76));
  border: 1px solid rgba(255,255,255,.16);
  border-radius: 26px;
  box-shadow: 0 24px 70px rgba(0,0,0,.45);
  backdrop-filter: blur(14px);
}
.menu-modal__top{
  display:flex;
  align-items:center;
  justify-content: space-between;
  padding: 14px 14px 12px;
  border-bottom: 1px solid rgba(255,255,255,.10);
}
.menu-modal__title{
  font-weight: 800;
  letter-spacing: .32em;
  text-transform: uppercase;
  color: rgba(255,255,255,.88);
  font-size: 12px;
}
.menu-modal__close{
  width: 44px; height: 44px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,.16);
  background: rgba(255,255,255,.07);
  color: rgba(255,255,255,.92);
  cursor:pointer;
  transition: border-color .18s ease, box-shadow .18s ease, background .18s ease, transform .18s ease;
}
.menu-modal__close:hover{
  transform: translateY(-1px);
  border-color: rgba(184,212,255,.24);
  box-shadow: 0 0 0 4px rgba(15,79,166,.12);
  background: rgba(255,255,255,.09);
}
.menu-modal__links{ padding: 14px; display: grid; gap: 12px; }
.menu-modal__a{
  padding: 16px 16px;
  border-radius: 18px;
  background: linear-gradient(180deg, rgba(15,79,166,.18), rgba(255,255,255,.04));
  border: 1px solid rgba(15,79,166,.34);
  box-shadow: 0 10px 28px rgba(0,0,0,.20);
  position: relative;

  color: rgba(0,0,0,.92);
  font-weight: 900;
  letter-spacing: .2px;
  text-shadow:
    -1px -1px 0 rgba(255,255,255,.92),
     1px -1px 0 rgba(255,255,255,.92),
    -1px  1px 0 rgba(255,255,255,.92),
     1px  1px 0 rgba(255,255,255,.92),
     0   3px 10px rgba(0,0,0,.35);

  transition:
    transform .18s ease,
    background .18s ease,
    border-color .18s ease,
    box-shadow .18s ease;
}
.menu-modal__a:hover{
  transform: translateY(-1px) scale(1.03);
  border-color: rgba(15,79,166,.80);
  background: linear-gradient(180deg, rgba(15,79,166,.30), rgba(255,255,255,.06));
  box-shadow:
    0 18px 40px rgba(0,0,0,.24),
    0 0 0 4px rgba(15,79,166,.16),
    0 0 34px rgba(15,79,166,.24);
}
.menu-modal__a:focus-visible{
  outline: none;
  border-color: rgba(184,212,255,.55);
  box-shadow:
    0 0 0 4px rgba(184,212,255,.18),
    0 0 0 1px rgba(184,212,255,.35),
    0 18px 40px rgba(0,0,0,.24);
}
.menu-modal__foot{ padding: 0 14px 14px; border-top: 1px solid rgba(255,255,255,.08); }
.menu-modal__micro{ padding-top: 12px; font-size: 12px; color: rgba(255,255,255,.76); }

/* Main */
.main{ min-height: 60vh; }

/* Hero */
.hero{
  position: relative;
  min-height: 80vh;
  padding: clamp(40px, 6vw, 90px) 0;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.hero__bg{ position:absolute; inset:0; z-index: 0; }

/* suavizar banding del blur */
.hero__bg::before{
  content:"";
  position:absolute;
  inset:-12px;
  background-image: var(--hero-bg-url, none);
  background-size: cover;
  background-position: center;
  filter: blur(20px) saturate(.98);
  transform: scale(1.10);
  opacity: .52;
  z-index: 0;
}
.hero__bg > .hero__slide{
  position:absolute;
  inset:0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: transparent;
  filter: saturate(.96) contrast(1.05);
  opacity: 0;
  transition: opacity 1.1s ease;
  will-change: opacity;
  z-index: 1;
}
.hero__bg > .hero__slide.is-active{ opacity: 1; }

.hero__overlay{
  position:absolute; inset:0;
  background:
    radial-gradient(900px 520px at 15% 20%, rgba(15,79,166,.20), transparent 55%),
    linear-gradient(180deg, rgba(7,20,38,.64), rgba(6,16,29,.90));
  z-index: 2;
}

/* grid menos agresivo (evita “franjas” sobre cards) */
.hero__grid{
  position:absolute; inset:-2px;
  background-image:
    linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size: 52px 52px;
  opacity: .14;
  mask-image: radial-gradient(650px 350px at 28% 35%, #000 55%, transparent 85%);
  z-index: 3;
}

.hero__inner{
  position:relative;
  z-index: 4;
  width: min(var(--max), calc(100% - (var(--pad) * 2)));
  margin: 0 auto;
  display:grid;
  grid-template-columns: 1.08fr .92fr;
  gap: clamp(18px, 3vw, 28px);
  align-items: start;
}

.eyebrow{
  font-size: 12px;
  letter-spacing: .28em;
  text-transform: uppercase;
  color: rgba(255,255,255,.74);
  margin: 0 0 12px;
}
.h1{
  font-size: var(--h1);
  line-height: 1.08;
  margin: 0 0 14px;
}
.accent{
  background: linear-gradient(90deg, rgba(184,212,255,1), rgba(15,79,166,1));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.lead{
  font-size: 16px;
  line-height: 1.65;
  color: rgba(255,255,255,.80);
  margin: 0 0 18px;
  max-width: 62ch;
}
.hero__cta{ display:flex; gap: 12px; flex-wrap: wrap; margin: 18px 0 18px; }

.hero__meta{
  display:grid;
  grid-template-columns: 1fr;
  gap: 10px;
  margin-top: 16px;
  max-width: 650px;
}
.meta{
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.06);
  border-radius: var(--radius);
  padding: 12px 14px;
  display:flex;
  gap: 12px;
  align-items: baseline;
  justify-content: space-between;

  /* evita artefactos visuales */
  background-clip: padding-box;
}
.meta__k{ font-size: 12px; letter-spacing: .12em; text-transform: uppercase; color: rgba(255,255,255,.64); }
.meta__v{ font-size: 13px; color: rgba(255,255,255,.86); }

.hero__panel .panel{
  border: 1px solid rgba(255,255,255,.14);
  background: linear-gradient(180deg, rgba(255,255,255,.075), rgba(255,255,255,.055));
  border-radius: var(--radius2);
  box-shadow: var(--shadow);
  overflow: hidden;

  /* evita “franjas” por transparencias */
  background-clip: padding-box;
}
.panel__head{ padding: 18px 18px 12px; border-bottom: 1px solid rgba(255,255,255,.12); }

.h2{ font-size: var(--h2); margin: 0 0 8px; line-height: 1.15; }
.h3{ font-size: 18px; margin: 0; }
.h4{ font-size: 16px; margin: 0 0 8px; }

.sub{ color: rgba(255,255,255,.78); margin: 0; line-height: 1.6; max-width: 70ch; }
.muted{ color: var(--muted); }
.micro{ font-size: 12px; }

.tabs{ padding: 14px 18px 18px; }
.tabs__bar{ display:flex; gap: 8px; flex-wrap: wrap; margin-bottom: 14px; }
.tab{
  border: 1px solid rgba(255,255,255,.14);
  background: rgba(255,255,255,.06);
  color: rgba(255,255,255,.84);
  padding: 10px 10px;
  border-radius: 14px;
  font-weight: 650;
  font-size: 13px;
  cursor:pointer;
  transition: background .18s ease, border-color .18s ease, transform .18s ease;
}
.tab:hover{ transform: translateY(-1px); border-color: rgba(255,255,255,.22); background: rgba(255,255,255,.08); }
.tab.is-active{
  background: rgba(15,79,166,.24);
  border-color: rgba(184,212,255,.20);
  color: #fff;
}
.pane{ display:none; }
.pane.is-active{ display:block; }
.pane__title{ margin: 0 0 10px; font-size: 15px; letter-spacing: .2px; }
.bullets{ margin: 0; padding-left: 18px; color: rgba(255,255,255,.80); line-height: 1.65; }
.link{ display:inline-block; margin-top: 10px; color: rgba(184,212,255,.94); font-weight: 650; }
.link:hover{ color: #fff; }

.panel__foot{ padding: 0 18px 18px; }
.panel__foot .micro{ margin: 10px 0 0; }

/* Sections */
.section{ padding: var(--pad2) 0; }
.section__head{ margin-bottom: 16px; }
.cards{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.card{
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.065);
  border-radius: var(--radius2);
  padding: 18px 18px 16px;

  /* clave contra “franjas” */
  background-clip: padding-box;
  overflow: hidden;
}
.card p{ margin: 0; line-height: 1.65; }

/* CTA */
.cta{
  padding: var(--pad2) 0;
  border-top: 1px solid rgba(255,255,255,.10);
  border-bottom: 1px solid rgba(255,255,255,.10);
  background:
    radial-gradient(900px 520px at 12% 30%, rgba(15,79,166,.14), transparent 60%),
    linear-gradient(180deg, rgba(7,20,38,.34), rgba(6,16,29,.34));
}
.cta__inner{
  width: min(var(--max), calc(100% - (var(--pad) * 2)));
  margin: 0 auto;
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  align-items: start;
}
.cta__mini{ display:flex; gap: 10px; flex-wrap: wrap; margin-top: 14px; }

/* Form */
.form{
  border: 1px solid rgba(255,255,255,.14);
  background: rgba(255,255,255,.06);
  border-radius: var(--radius2);
  padding: 16px;

  background-clip: padding-box;
  overflow: hidden;
}
.form__grid{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.field{ display:block; }
.field--full{ grid-column: 1 / -1; }
.field__label{
  display:block;
  font-size: 12px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: rgba(255,255,255,.72);
  margin: 0 0 6px;
}
.field__input{
  width: 100%;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,.16);
  background: rgba(0,0,0,.18);
  color: rgba(255,255,255,.94);
  padding: 12px 12px;
  outline: none;
  transition: border-color .18s ease, box-shadow .18s ease, background .18s ease;
}
.field__textarea{ resize: vertical; min-height: 120px; }
.field__input:focus{
  border-color: rgba(184,212,255,.48);
  box-shadow: 0 0 0 4px rgba(184,212,255,.12);
  background: rgba(0,0,0,.22);
}
.field__hint{
  display:block;
  margin-top: 6px;
  font-size: 12px;
  color: rgba(255,255,255,.58);
}
.field.is-invalid .field__input{
  border-color: rgba(239,68,68,.58);
  box-shadow: 0 0 0 4px rgba(239,68,68,.10);
}
.form__actions{
  margin-top: 12px;
  display:flex;
  gap: 10px;
  flex-wrap: wrap;
}
.form__status{
  margin-top: 12px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,.14);
  background: rgba(0,0,0,.16);
  padding: 12px;
  color: rgba(255,255,255,.88);
}
.form__status.is-ok{ border-color: rgba(34,197,94,.35); }
.form__status.is-err{ border-color: rgba(239,68,68,.35); }

/* Footer */
.footer{
  padding: var(--pad2) 0 18px;
  background: linear-gradient(180deg, rgba(6,16,29,.62), rgba(6,16,29,.90));
}
.footer__grid{
  display:grid;
  grid-template-columns: 1.1fr 1.4fr 1fr;
  gap: 14px;
  align-items: start;
}
.footer__col{
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.05);
  border-radius: var(--radius2);
  padding: 16px;

  background-clip: padding-box;
  overflow: hidden;
}
.footer__h{ margin: 0 0 10px; font-size: 14px; letter-spacing: .12em; text-transform: uppercase; color: rgba(255,255,255,.74); }
.footer__big{ margin: 0 0 12px; font-size: 22px; font-weight: 750; }
.footer__p{ margin: 8px 0; color: rgba(255,255,255,.80); line-height: 1.55; display:flex; gap: 10px; align-items:flex-start; }
.footer__ico{ width: 16px; height: 16px; opacity: .94; margin-top: 2px; }
.footer__social{ display:flex; gap: 10px; flex-wrap: wrap; }

.footer__bottom{
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid rgba(255,255,255,.10);
  display:flex;
  align-items:center;
  justify-content: center;
  text-align: center;
  color: rgba(255,255,255,.68);
  font-size: 12px;
}

/* Reveal */
[data-reveal]{
  opacity: 0;
  transform: translateY(10px);
  transition: opacity .55s ease, transform .55s ease;
}
.is-revealed{ opacity: 1; transform: translateY(0); }

/* Header small state (JS) */
.header.is-scrolled{ background: rgba(6,16,29,.80); }
.header.is-scrolled .brand__logo{ height: 46px; }

/* Responsive */
@media (max-width: 980px){
  .hero__inner{ grid-template-columns: 1fr; }
  .cta__inner{ grid-template-columns: 1fr; }
  .cards{ grid-template-columns: 1fr; }
  .footer__grid{ grid-template-columns: 1fr; }
  .nav{ display:none; }
  .burger{ display:inline-block; }
}
@media (max-width: 640px){
  .topbar__inner{ flex-direction: column; align-items:flex-start; }
  .form__grid{ grid-template-columns: 1fr; }

  .menu-modal__dialog{
    width: min(540px, calc(100% - 18px));
    max-height: 82vh;
  }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce){
  *{ scroll-behavior: auto !important; }
  [data-reveal]{ transition: none; transform: none; opacity: 1; }
  .btn, .tab, .social-ico, .menu-modal__a, .menu-modal__close{ transition: none; }
  .hero__slide{ transition: none; }
}

/* Helpers existentes */
.catalogo-actions,
.soluciones-actions,
.validacion-actions{
  margin-top:14px;
  display:flex;
  gap:10px;
  flex-wrap:wrap;
}
.cta--contacto{ margin-top:16px; }
.cta__inner--full{ width:100%; }