/* ============================================================
   ASL INTEGRAL — Hoja de estilos
   Paleta basada en el logo: rojo fuego, negro, blanco
   ============================================================ */
:root{
  --red:        #D42027;
  --red-bright: #E63329;
  --red-dark:   #9E1319;
  --ink:        #0f1115;   /* casi negro (logo) */
  --ink-2:      #1b1b20;
  --ink-3:      #2a2a31;
  --gray:       #475569;   /* slate-600 · texto secundario (WCAG AA) */
  --gray-2:     #64748b;   /* slate-500 · texto terciario */
  --line:       #e2e8f0;   /* slate-200 · bordes */
  --bg:         #ffffff;
  --bg-soft:    #f8fafc;   /* slate-50 · fondos suaves */
  --white:      #ffffff;
  --safety-blue:#2563eb;   /* azul seguridad (acento de apoyo, uso mínimo) */
  --radius:     16px;
  --radius-sm:  10px;
  --shadow:     0 10px 40px rgba(17,17,20,.08);
  --shadow-lg:  0 24px 60px rgba(17,17,20,.14);
  --maxw:       1160px;
  --font-head:  "Space Grotesk", system-ui, sans-serif;
  --font-body:  "Inter", system-ui, -apple-system, sans-serif;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-body);
  color:var(--ink);
  background:var(--bg);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{font-family:var(--font-head);line-height:1.15;font-weight:700;letter-spacing:-.01em}

.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}
.txt-fire{color:var(--red)}

/* ---------- BOTONES ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  font-family:var(--font-head);font-weight:600;font-size:.95rem;
  padding:.85rem 1.5rem;border-radius:999px;border:2px solid transparent;
  cursor:pointer;transition:transform .18s ease, box-shadow .18s ease, background .18s ease;
  white-space:nowrap;
}
.btn--primary{background:var(--red);color:#fff;box-shadow:0 8px 24px rgba(212,32,39,.32)}
.btn--primary:hover{background:var(--red-bright);transform:translateY(-2px);box-shadow:0 12px 30px rgba(212,32,39,.4)}
.btn--ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.4)}
.btn--ghost:hover{border-color:#fff;background:rgba(255,255,255,.08)}
.btn--light{background:#fff;color:var(--ink)}
.btn--light:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg)}
.btn--lg{padding:1rem 1.9rem;font-size:1.02rem}
.btn--sm{padding:.55rem 1.1rem;font-size:.85rem}
.btn--block{width:100%}

/* ---------- TOP BAR ---------- */
.topbar{background:var(--ink);color:#cfcfd6;font-size:.82rem}
.topbar__inner{display:flex;justify-content:space-between;align-items:center;gap:1rem;height:40px}
.topbar__badge strong{color:#fff}
.topbar__contact{display:flex;gap:1.4rem}
.topbar__contact a{transition:color .15s}
.topbar__contact a:hover{color:#fff}

/* ---------- HEADER ---------- */
.header{
  position:sticky;top:0;z-index:100;background:rgba(255,255,255,.9);
  backdrop-filter:saturate(160%) blur(12px);
  border-bottom:1px solid var(--line);
}
.header__inner{display:flex;align-items:center;justify-content:space-between;height:76px}
.brand__logo{height:54px;width:auto}
.nav{display:flex;align-items:center}
.nav__list{list-style:none;display:flex;align-items:center;gap:.4rem}
.nav__list a{
  font-family:var(--font-head);font-weight:500;font-size:.95rem;
  padding:.5rem .85rem;border-radius:8px;color:var(--ink);transition:color .15s,background .15s;
}
.nav__list a:not(.btn):hover{color:var(--red);background:var(--bg-soft)}
.nav__cta{color:#fff !important}
.nav__cta:hover{color:#fff !important;background:var(--red-bright) !important}
.nav__toggle{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:8px}
.nav__toggle span{width:26px;height:2.5px;background:var(--ink);border-radius:2px;transition:.25s}

/* ---------- HERO ---------- */
.hero{position:relative;color:#fff;overflow:hidden;background:var(--ink)}
.hero__bg{
  position:absolute;inset:0;z-index:0;
  background:
    radial-gradient(900px 500px at 78% 12%, rgba(230,51,41,.55), transparent 60%),
    radial-gradient(700px 600px at 12% 90%, rgba(158,19,25,.5), transparent 60%),
    linear-gradient(160deg,#141417 0%, #0d0d0f 60%, #17070a 100%);
}
.hero__bg::after{
  content:"";position:absolute;inset:0;
  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:46px 46px;mask-image:radial-gradient(circle at 50% 40%,#000,transparent 75%);
}
.hero__inner{position:relative;z-index:1;padding:6rem 24px 5rem;max-width:900px}
.hero__eyebrow{font-family:var(--font-head);letter-spacing:.18em;font-size:.78rem;color:#ff8a80;font-weight:600;margin-bottom:1.2rem}
.hero__title{font-size:clamp(2.3rem,6vw,4.2rem);font-weight:700;margin-bottom:1.3rem}
.hero__lead{font-size:clamp(1.05rem,2.2vw,1.25rem);color:#c9c9d2;max-width:640px;margin-bottom:2rem}
.hero__actions{display:flex;gap:1rem;flex-wrap:wrap;margin-bottom:3.5rem}
.hero__stats{list-style:none;display:flex;gap:2.5rem;flex-wrap:wrap;border-top:1px solid rgba(255,255,255,.12);padding-top:1.8rem}
.hero__stats strong{display:block;font-family:var(--font-head);font-size:2.1rem;color:#fff}
.hero__stats span{font-size:.9rem;color:#a5a5b0}

/* ---------- SECCIÓN GENÉRICA ---------- */
.section{padding:5.5rem 0}
.section--alt{background:var(--bg-soft)}
.section__head{text-align:center;max-width:680px;margin:0 auto 3rem}
.kicker{
  display:inline-block;font-family:var(--font-head);font-weight:600;font-size:.78rem;
  letter-spacing:.16em;text-transform:uppercase;color:var(--red);
  background:rgba(212,32,39,.08);padding:.4rem .9rem;border-radius:999px;margin-bottom:1rem;
}
.section__title{font-size:clamp(1.8rem,4vw,2.6rem)}
.section__sub{color:var(--gray);margin-top:.8rem;font-size:1.05rem}

/* ---------- GRID / CARDS ---------- */
.grid{display:grid;gap:1.5rem}
.grid--3{grid-template-columns:repeat(3,1fr)}
.card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  transition:transform .22s ease, box-shadow .22s ease, border-color .22s;
  position:relative;overflow:hidden;display:flex;flex-direction:column;
}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:transparent}
/* Banner superior con imagen */
.card__media{position:relative;aspect-ratio:3/2;overflow:hidden;background:var(--bg-soft)}
.card__media img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .5s ease}
.card:hover .card__media img{transform:scale(1.06)}
.card__media::after{content:"";position:absolute;inset:0;background:linear-gradient(to top, rgba(15,17,21,.28), transparent 45%)}
/* Ícono apoyado sobre la esquina de la imagen (recuadro blanco, ícono rojo) */
.card__icon{
  position:absolute;left:1.1rem;bottom:1.1rem;z-index:3;
  width:54px;height:54px;display:grid;place-items:center;color:var(--red);
  background:#fff;border-radius:14px;
  box-shadow:0 10px 24px rgba(15,17,21,.32);transition:transform .25s ease, background .25s ease, color .25s ease;
}
.card__icon svg{width:27px;height:27px;stroke-width:2}
.card:hover .card__icon{transform:scale(1.08) rotate(-3deg);
  background:linear-gradient(140deg,var(--red-bright),var(--red-dark));color:#fff}
.card__body{padding:1.7rem 1.6rem 1.9rem;flex:1}
.card__body h3{font-size:1.2rem;margin-bottom:.6rem}
.card__body p{color:var(--gray);font-size:.96rem}

/* ---------- FRANJA CONFIANZA (oscura premium) ---------- */
.trust{background:#141519;color:#fff;border-top:3px solid var(--red)}
.trust__inner{display:grid;grid-template-columns:repeat(4,1fr);gap:1.4rem;padding:2.6rem 24px}
.trust__item{display:flex;align-items:center;gap:1rem;padding-left:1.6rem;border-left:1px solid rgba(255,255,255,.08);min-width:0}
.trust__item>div{min-width:0}
.trust__item:first-child{border-left:none;padding-left:0}
.trust__ic{flex:0 0 auto;width:48px;height:48px;display:grid;place-items:center;color:#fff;
  background:linear-gradient(140deg,var(--red-bright),var(--red-dark));border-radius:13px;
  box-shadow:0 6px 18px rgba(212,32,39,.4)}
.trust__ic svg{width:24px;height:24px}
.trust__item strong{display:block;font-family:var(--font-head);font-size:1.18rem;line-height:1.2;color:#fff}
.trust__item span{font-size:.83rem;color:#b9bac2}

/* ---------- NOSOTROS ---------- */
.about{display:grid;grid-template-columns:1.1fr .9fr;gap:3rem;align-items:center}
.about__text p{color:var(--gray);margin-bottom:1.1rem}
.about__text .kicker{margin-bottom:1rem}
.about__text .section__title{margin-bottom:1.2rem;text-align:left}
.about__h3{font-size:1.25rem;margin:1.5rem 0 .5rem}
.about .btn{margin-top:1rem}
.notifier{
  background:var(--ink);color:#fff;border-radius:var(--radius);padding:2.4rem;
  box-shadow:var(--shadow-lg);position:relative;overflow:hidden;
}
.notifier::after{content:"";position:absolute;right:-40px;top:-40px;width:180px;height:180px;border-radius:50%;background:radial-gradient(circle,rgba(230,51,41,.5),transparent 70%)}
.notifier__tag{display:inline-block;font-family:var(--font-head);font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:#ff8a80;border:1px solid rgba(255,138,128,.4);padding:.35rem .8rem;border-radius:999px;margin-bottom:1.2rem}
.notifier h3{font-size:1.4rem;margin-bottom:1rem;position:relative}
.notifier p{color:#c9c9d2;font-size:.96rem;margin-bottom:.9rem;position:relative}
.notifier strong{color:#fff}

/* ---------- CLIENTES (galería de portafolio) ---------- */
.clients{display:grid;grid-template-columns:repeat(4,1fr);gap:1.2rem}
.client{
  position:relative;margin:0;border-radius:var(--radius);overflow:hidden;
  aspect-ratio:3/2;box-shadow:var(--shadow);
  transition:transform .25s ease, box-shadow .25s ease;
}
.client__img{position:absolute;inset:0}
.client__img img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .5s ease}
.client__name{
  position:absolute;left:0;right:0;bottom:0;z-index:2;
  padding:1.4rem 1.1rem .9rem;color:#fff;
  font-family:var(--font-head);font-weight:600;font-size:1rem;line-height:1.2;
  display:flex;flex-direction:column;gap:.1rem;
  background:linear-gradient(to top, rgba(10,10,12,.92) 0%, rgba(10,10,12,.55) 55%, transparent 100%);
}
.client__name small{font-family:var(--font-body);font-weight:400;color:#d7d7de;font-size:.78rem}
.client__name::before{content:"";position:absolute;left:1.1rem;bottom:.55rem;width:0;height:2.5px;background:var(--red);transition:width .3s ease}
.client:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg)}
.client:hover .client__img img{transform:scale(1.06)}
.client:hover .client__name::before{width:34px}
.clients__hint{display:none;text-align:center;margin-top:1rem;font-family:var(--font-head);
  font-size:.8rem;font-weight:600;letter-spacing:.04em;color:var(--red);
  text-transform:uppercase;animation:hintPulse 1.8s ease-in-out infinite}
@keyframes hintPulse{0%,100%{opacity:.55;transform:translateX(0)}50%{opacity:1;transform:translateX(4px)}}

/* ---------- MARCAS (muro de logos) ---------- */
.brands{list-style:none;display:grid;grid-template-columns:repeat(4,1fr);gap:1.2rem}
.brands li{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius-sm);
  min-height:104px;display:grid;place-items:center;padding:1.4rem 1.6rem;transition:.25s;
}
.brands img{
  max-width:100%;max-height:56px;width:auto;object-fit:contain;
  filter:grayscale(1);opacity:.62;transition:filter .3s ease, opacity .3s ease, transform .3s ease;
}
.brands li:hover{border-color:var(--red);box-shadow:var(--shadow);transform:translateY(-3px)}
.brands li:hover img{filter:grayscale(0);opacity:1;transform:scale(1.04)}

/* ---------- CTA BAND ---------- */
.ctaband{background:linear-gradient(135deg,var(--red-dark),var(--red-bright));color:#fff;text-align:center}
.ctaband__inner{padding:4rem 24px}
.ctaband h2{font-size:clamp(1.6rem,4vw,2.4rem);margin-bottom:.8rem}
.ctaband p{opacity:.95;margin-bottom:1.8rem;font-size:1.1rem}

/* ---------- CONTACTO ---------- */
.contact{display:grid;grid-template-columns:1.4fr .8fr;gap:2.5rem;align-items:start}
.contact__form{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:2rem;box-shadow:var(--shadow)}
.field{margin-bottom:1.1rem}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.field label{display:block;font-family:var(--font-head);font-weight:500;font-size:.88rem;margin-bottom:.4rem}
.field input,.field textarea{
  width:100%;padding:.85rem 1rem;border:1.5px solid var(--line);border-radius:var(--radius-sm);
  font-family:var(--font-body);font-size:.98rem;color:var(--ink);background:var(--bg-soft);transition:.18s;
}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--red);background:#fff;box-shadow:0 0 0 3px rgba(212,32,39,.12)}
.field textarea{resize:vertical}
.form__note{margin-top:.9rem;font-size:.9rem;font-weight:500;min-height:1.2em}
.form__note.ok{color:#1a8a3c}
.form__note.err{color:var(--red)}
.contact__info{
  position:relative;overflow:hidden;color:#fff;border-radius:var(--radius);padding:2.2rem;
  background:linear-gradient(158deg,#1b1c22 0%, #131419 52%, #0c0d11 100%);
  border:1px solid rgba(255,255,255,.09);
  box-shadow:var(--shadow-lg), inset 0 1px 0 rgba(255,255,255,.06);
}
.contact__info::before{content:"";position:absolute;top:-70px;right:-70px;width:220px;height:220px;border-radius:50%;
  background:radial-gradient(circle, rgba(230,51,41,.30), transparent 68%);pointer-events:none}
.contact__info::after{content:"";position:absolute;left:0;top:0;height:100%;width:3px;background:linear-gradient(var(--red-bright),var(--red-dark))}
.contact__info h3{position:relative;z-index:1;margin-bottom:1.4rem;font-size:1.2rem}
.contact__info ul{position:relative;z-index:1;list-style:none;display:flex;flex-direction:column;gap:1.05rem}
.contact__info li{display:flex;align-items:center;gap:.9rem;font-size:.98rem}
.contact__info li>div{display:flex;flex-direction:column}
.ci__ic{flex:0 0 auto;width:44px;height:44px;display:grid;place-items:center;color:var(--red-bright);
  background:linear-gradient(140deg,rgba(255,255,255,.10),rgba(255,255,255,.03));
  border:1px solid rgba(255,255,255,.10);border-radius:12px;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08);transition:.25s}
.ci__ic svg{width:20px;height:20px}
.contact__info li:hover .ci__ic{color:#fff;background:linear-gradient(140deg,var(--red-bright),var(--red-dark));
  border-color:transparent;box-shadow:0 6px 16px rgba(212,32,39,.4)}
.contact__info span{font-family:var(--font-head);font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:#ff8a80;margin-bottom:.1rem}
.contact__info a:hover{color:#ff8a80}

/* ---------- FOOTER ---------- */
.footer{background:var(--ink);color:#b9b9c2}
.footer__inner{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:2rem;padding:3.5rem 24px 2.5rem}
.footer__logo{height:42px;margin-bottom:1rem}
.footer__brand p{font-size:.92rem;max-width:320px}
.footer__col h4{color:#fff;font-size:1rem;margin-bottom:1rem}
.footer__col a{display:block;font-size:.92rem;padding:.28rem 0;transition:color .15s}
.footer__col a:hover{color:#ff8a80}
.footer__bottom{border-top:1px solid rgba(255,255,255,.1);font-size:.85rem;color:#8a8a95}
.footer__bottom .container{padding-top:1.3rem;padding-bottom:1.3rem}

/* ---------- WHATSAPP FLOTANTE ---------- */
.wa-float{
  position:fixed;right:22px;bottom:22px;z-index:200;
  width:58px;height:58px;border-radius:50%;background:#25D366;color:#fff;
  display:grid;place-items:center;box-shadow:0 10px 30px rgba(37,211,102,.45);
  transition:transform .2s;
}
.wa-float:hover{transform:scale(1.08)}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width:960px){
  .grid--3{grid-template-columns:repeat(2,1fr)}
  .about{grid-template-columns:1fr;gap:2rem}
  .about__text .section__title{text-align:left}
  .contact{grid-template-columns:1fr}
  .clients{grid-template-columns:repeat(3,1fr)}
  .footer__inner{grid-template-columns:1fr 1fr;gap:2rem}
}
@media (max-width:760px){
  .topbar__badge{display:none}
  .topbar__inner{justify-content:center;gap:.6rem}
  .topbar__contact{gap:1rem;font-size:.72rem}
  .topbar__contact a{white-space:nowrap}
  .topbar__contact a[href^="mailto"]{display:none}
  .nav__toggle{display:flex}
  .nav__list{
    position:absolute;top:76px;left:0;right:0;background:#fff;flex-direction:column;
    align-items:stretch;gap:0;padding:.5rem 1rem 1.2rem;border-bottom:1px solid var(--line);
    box-shadow:var(--shadow);transform:translateY(-140%);transition:transform .3s ease;
  }
  .nav__list.open{transform:translateY(0)}
  .nav__list li{width:100%}
  .nav__list a{display:block;padding:.9rem .5rem}
  .nav__cta{text-align:center;margin-top:.5rem}
  .nav__toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7.5px) rotate(45deg)}
  .nav__toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
  .nav__toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7.5px) rotate(-45deg)}
  .trust__inner{grid-template-columns:repeat(2,1fr);gap:1.4rem}
  .trust__item:nth-child(3){border-left:none}
}
@media (max-width:560px){
  .grid--3{grid-template-columns:1fr}
  /* Clientes: carrusel deslizable horizontal en móvil */
  .clients{
    display:flex;grid-template-columns:none;
    overflow-x:auto;overflow-y:hidden;gap:.9rem;
    scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;
    scroll-padding:0 20px;padding:6px 20px 14px;margin:0 -20px;
    scrollbar-width:none;
  }
  .clients::-webkit-scrollbar{display:none}
  .client{flex:0 0 80%;scroll-snap-align:center}
  .clients__hint{display:block}
  .brands{grid-template-columns:repeat(2,1fr)}
  .field-row{grid-template-columns:1fr}
  .hero__inner{padding:3.2rem 20px 3.4rem}
  .hero__eyebrow{font-size:.7rem;margin-bottom:.9rem}
  .hero__lead{font-size:1.02rem;margin-bottom:1.6rem}
  .hero__actions{gap:.7rem;margin-bottom:2.4rem}
  .hero__actions .btn{width:100%}
  .hero__stats{gap:0;justify-content:space-between}
  .hero__stats li{flex:1;min-width:0}
  .hero__stats strong{font-size:1.55rem}
  .hero__stats span{font-size:.72rem}
  .section{padding:3.4rem 0}
  .section__head{margin-bottom:2rem}
  .container{padding-left:20px;padding-right:20px}
  .hero__inner{padding-left:20px;padding-right:20px}
  .ctaband__inner{padding:3.6rem 20px}
  .card__body{padding:1.4rem 1.3rem 1.6rem}
  .contact__form{padding:1.4rem}
  .contact__info{padding:1.7rem}
  .trust__inner{padding:2.6rem 20px;gap:2rem 1rem}
  .trust__item{flex-direction:column;align-items:center;text-align:center;gap:.6rem;padding-left:0;border-left:none}
  .trust__item strong{font-size:1.02rem}
  .trust__item span{font-size:.8rem}
  .trust__ic{width:46px;height:46px}
  .trust__ic svg{width:23px;height:23px}
  .footer__inner{grid-template-columns:1fr;gap:1.6rem;padding:2.8rem 20px 2rem}
}

/* ============================================================
   ACCESIBILIDAD (a11y) — guías UX
   ============================================================ */
/* Foco visible por teclado (nunca eliminar el outline sin reemplazo) */
:focus-visible{outline:3px solid var(--red);outline-offset:2px;border-radius:6px}
.btn:focus-visible{outline-offset:3px}
/* Objetivos táctiles mínimos 44px en móvil */
@media (max-width:760px){
  .nav__list a,.footer__col a,.contact__info a{min-height:44px;display:flex;align-items:center}
}

/* ============================================================
   SECTORES (Enterprise Gateway: soluciones por industria)
   ============================================================ */
.sectors{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem;margin-top:1rem}
.sector{
  display:flex;flex-direction:column;gap:.4rem;align-items:flex-start;
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:1.3rem;transition:.2s;
}
.sector:hover{border-color:var(--red);transform:translateY(-3px);box-shadow:var(--shadow)}
.sector b{font-family:var(--font-head);font-size:1.02rem}
.sector span{color:var(--gray);font-size:.88rem}
.sector__ic{width:46px;height:46px;display:grid;place-items:center;color:var(--red);background:linear-gradient(135deg,rgba(212,32,39,.12),rgba(230,51,41,.05));border-radius:12px;margin-bottom:.3rem}
.sector__ic svg{width:24px;height:24px}
@media (max-width:960px){.sectors{grid-template-columns:repeat(2,1fr)}}
@media (max-width:560px){.sectors{grid-template-columns:1fr}}

/* ============================================================
   ANIMACIÓN DE APARICIÓN (scroll reveal) — sutil
   ============================================================ */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .6s ease, transform .6s ease}
.reveal.is-visible{opacity:1;transform:none}

/* Respeta la preferencia de movimiento reducido del sistema */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important}
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none}
}