/* =========================================================
   B-Network LMB — Hoja de estilos
   Línea gráfica: azul marino #0c1d41 + cian #59c7da, Montserrat
   ========================================================= */
:root{
  --navy:#0c1d41;
  --navy-2:#14295a;
  --navy-3:#081430;
  --cyan:#59c7da;
  --cyan-2:#2fb3c9;
  --cyan-soft:#e8f7fa;
  --ink:#0c1d41;
  --text:#4a5672;
  --muted:#7a849b;
  --line:#e3e8f0;
  --bg:#ffffff;
  --tint:#f4f8fb;
  --radius:14px;
  --shadow:0 10px 30px -12px rgba(12,29,65,.18);
  --wrap:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{margin:0;font-family:"Montserrat",system-ui,-apple-system,"Segoe UI",sans-serif;color:var(--text);background:var(--bg);font-size:16px;line-height:1.65;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit}
svg{width:1em;height:1em;flex-shrink:0}
h1,h2,h3,h4{color:var(--ink);margin:0;line-height:1.2}
p{margin:0 0 1em}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}
.skip{position:absolute;left:-999px;top:0;background:var(--navy);color:#fff;padding:8px 14px;z-index:100}
.skip:focus{left:12px;top:12px}

/* ---------- Botones ---------- */
.btn{display:inline-flex;align-items:center;gap:.55em;background:var(--cyan);color:var(--navy);font-weight:700;font-size:.92rem;letter-spacing:.02em;padding:.95em 1.6em;border-radius:999px;text-decoration:none;border:2px solid var(--cyan);cursor:pointer;font-family:inherit;transition:transform .15s,background .2s,box-shadow .2s}
.btn svg{width:1.2em;height:1.2em}
.btn:hover{background:#7dd5e4;border-color:#7dd5e4;transform:translateY(-1px);box-shadow:0 8px 20px -8px rgba(89,199,218,.7)}
.btn--sm{padding:.6em 1.15em;font-size:.84rem}
.btn--ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.45)}
.btn--ghost:hover{background:rgba(255,255,255,.1);border-color:#fff;box-shadow:none}
.btn--outline{background:#fff;color:var(--navy);border-color:var(--navy)}
.btn--outline:hover{background:var(--navy);color:#fff;border-color:var(--navy);box-shadow:none}
.btn--light{background:#fff;border-color:#fff}
.btn--light svg{color:#25d366}

/* ---------- Tipografía de sección ---------- */
.eyebrow{display:inline-flex;align-items:center;gap:.7em;font-size:.76rem;font-weight:700;letter-spacing:.22em;text-transform:uppercase;color:var(--cyan-2);margin-bottom:1rem}
.eyebrow::before{content:"";width:28px;height:2px;background:currentColor}
.eyebrow--light{color:var(--cyan)}
.h2{font-size:clamp(1.7rem,3.2vw,2.5rem);font-weight:700;letter-spacing:-.01em;margin-bottom:1rem}
.h2 span{font-weight:300}
.h2--caps{text-transform:uppercase;letter-spacing:.08em;font-size:clamp(1.6rem,3vw,2.3rem)}
.lead{font-size:1.08rem;color:var(--text)}
.section{padding:96px 0}
.section--tint{background:var(--tint)}
.head{max-width:720px;margin-bottom:48px}
.head--center{margin-left:auto;margin-right:auto;text-align:center}
.head--center .eyebrow{justify-content:center}

/* ---------- Header ---------- */
.header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid transparent;transition:border-color .2s,box-shadow .2s}
.header.is-scrolled{border-color:var(--line);box-shadow:0 6px 20px -14px rgba(12,29,65,.35)}
.header__in{display:flex;align-items:center;justify-content:space-between;height:76px}
.brand img{height:28px;width:auto}
.nav{display:flex;align-items:center;gap:30px}
.nav a:not(.btn){text-decoration:none;font-weight:600;font-size:.9rem;color:var(--navy);position:relative;padding:6px 0}
.nav a:not(.btn)::after{content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--cyan);transition:width .25s}
.nav a:not(.btn):hover::after,.nav a.is-active::after{width:100%}
.burger{display:none;background:none;border:0;padding:10px;cursor:pointer}
.burger span{display:block;width:24px;height:2px;background:var(--navy);margin:5px 0;transition:.25s}

/* ---------- Hero ---------- */
.hero{position:relative;background:var(--navy);color:#fff;overflow:hidden;padding:110px 0 120px}
.hero__bg{position:absolute;inset:0;background:url(../img/hero-alt.jpg) center/cover no-repeat;opacity:.55}
.hero__bg::after{content:"";position:absolute;inset:0;background:linear-gradient(100deg,var(--navy) 18%,rgba(12,29,65,.82) 50%,rgba(12,29,65,.35) 100%)}
.hero__in{position:relative}
.hero__title{color:#fff;font-weight:300;font-size:clamp(2rem,4.6vw,3.5rem);text-transform:uppercase;letter-spacing:.02em;line-height:1.12;max-width:860px;margin-bottom:1.4rem}
.hero__title strong{font-weight:800;display:block;color:#fff}
.hero__lead{font-size:1.12rem;color:#c7d3ea;max-width:620px;margin-bottom:2.2rem}
.hero__cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:64px}
.stats{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(4,1fr);gap:0;max-width:900px;border-top:1px solid rgba(255,255,255,.18)}
.stats li{padding:22px 22px 0 0}
.stats li+li{padding-left:22px;border-left:1px solid rgba(255,255,255,.12)}
.stats b{display:block;font-size:2.2rem;font-weight:800;color:var(--cyan);line-height:1}
.stats span{font-size:.84rem;color:#b9c6df;display:block;margin-top:6px}

/* Franja diagonal de la marca */
.stripe{position:absolute;left:0;right:0;bottom:0;height:14px;display:flex}
.stripe i{display:block;height:100%}
.stripe i:nth-child(1){flex:5;background:var(--navy-3)}
.stripe i:nth-child(2){flex:3;background:var(--cyan);clip-path:polygon(14px 0,100% 0,calc(100% - 14px) 100%,0 100%)}
.stripe i:nth-child(3){flex:2;background:#fff;opacity:.9;clip-path:polygon(14px 0,100% 0,100% 100%,0 100%)}
.stripe--top{position:relative;height:10px}
.stripe--top i:nth-child(3){background:var(--navy-2)}

/* ---------- Nosotros ---------- */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:64px;align-items:center}
.split__media{margin:0;position:relative}
.split__media img{border-radius:var(--radius);aspect-ratio:5/4;object-fit:cover;width:100%;height:auto;box-shadow:var(--shadow)}
.split__media::before{content:"";position:absolute;width:42%;height:42%;right:-18px;bottom:-18px;background:var(--navy);border-radius:var(--radius);z-index:-1}
.split__media::after{content:"";position:absolute;width:70px;height:70px;left:-14px;top:-14px;border:3px solid var(--cyan);border-radius:12px;z-index:-1}
.mvv{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:80px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:32px 28px;box-shadow:0 2px 0 rgba(12,29,65,.02)}
.card h3{font-size:1.05rem;text-transform:uppercase;letter-spacing:.16em;margin:18px 0 12px}
.card p{font-size:.95rem;margin:0}
.card__ico{display:inline-grid;place-items:center;width:52px;height:52px;border-radius:12px;background:var(--cyan-soft);color:var(--cyan-2)}
.card__ico svg{width:26px;height:26px}
.card--navy{background:var(--navy);border-color:var(--navy)}
.card--navy h3{color:#fff}
.card--navy .card__ico{background:rgba(89,199,218,.15);color:var(--cyan)}
.values{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.values li{color:#d5deef;font-weight:500;display:flex;align-items:center;gap:10px}
.values li::before{content:"";width:8px;height:8px;border-radius:2px;background:var(--cyan);transform:rotate(45deg)}

/* ---------- Catálogo ---------- */
.pillars{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:16px;counter-reset:p}
.pillars li{counter-increment:p;position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 22px 22px;display:flex;flex-direction:column;gap:14px;transition:transform .2s,border-color .2s,box-shadow .2s}
.pillars li::after{content:"0" counter(p);position:absolute;top:18px;right:20px;font-size:.78rem;font-weight:700;color:#c3cbda;letter-spacing:.08em}
.pillars li:hover{transform:translateY(-3px);border-color:var(--cyan);box-shadow:var(--shadow)}
.pillars svg{width:30px;height:30px;color:var(--cyan-2)}
.pillars b{color:var(--navy);font-weight:700;font-size:1rem}
.tabs{display:flex;flex-wrap:wrap;gap:12px;margin-top:40px}
.tabs a{display:inline-flex;align-items:center;gap:10px;text-decoration:none;font-weight:600;font-size:.92rem;color:var(--navy);background:#fff;border:1px solid var(--line);padding:12px 18px;border-radius:999px;transition:.2s}
.tabs a svg{width:20px;height:20px;color:var(--cyan-2)}
.tabs a:hover{background:var(--navy);color:#fff;border-color:var(--navy)}
.tabs a:hover svg{color:var(--cyan)}

/* ---------- Líneas de solución ---------- */
.line{padding:96px 0}
.line__in{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;margin-bottom:56px}
.line__in--rev .line__media{order:2}
.line__media{position:relative}
.line__media img{border-radius:var(--radius);aspect-ratio:16/10;object-fit:cover;width:100%;height:auto}
.line__num{position:absolute;left:-10px;bottom:-26px;font-size:5.5rem;font-weight:800;line-height:1;color:transparent;-webkit-text-stroke:2px var(--cyan)}
.line__in--rev .line__num{left:auto;right:-10px}
.services{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(2,1fr);gap:0 48px}
.services li{display:flex;gap:18px;padding:22px 0;border-top:1px solid var(--line)}
.services li>svg{width:44px;height:44px;padding:10px;border-radius:12px;background:var(--cyan-soft);color:var(--cyan-2)}
.services h3{font-size:.95rem;text-transform:uppercase;letter-spacing:.06em;margin:2px 0 6px}
.services p{font-size:.93rem;margin:0}
.line--dark{background:var(--navy);color:#c3cee4}
.line--dark .h2,.line--dark h3{color:#fff}
.line--dark .lead{color:#c3cee4}
.line--dark .services li{border-color:rgba(255,255,255,.12)}
.line--dark .services li>svg{background:rgba(89,199,218,.12);color:var(--cyan)}
.line--dark .line__num{-webkit-text-stroke-color:rgba(89,199,218,.8)}

/* ---------- Logos ---------- */
.logos{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(170px,1fr));gap:14px}
.logos li{background:#fff;border:1px solid var(--line);border-radius:12px;height:104px;display:grid;place-items:center;padding:18px 22px;transition:border-color .2s,box-shadow .2s}
.logos img{max-height:56px;max-width:100%;width:auto;object-fit:contain}
.logos--partners img{filter:grayscale(1);opacity:.7;transition:filter .25s,opacity .25s}
.logos--partners li:hover img{filter:none;opacity:1}
.logos li:hover{border-color:var(--cyan);box-shadow:var(--shadow)}
.logos--clients li{height:120px}
.logos--clients img{max-height:72px}

/* ---------- CTA ---------- */
.cta{background:linear-gradient(110deg,var(--navy) 0%,var(--navy-2) 60%,#1c4b7a 100%);color:#fff;padding:64px 0;position:relative;overflow:hidden}
.cta::after{content:"";position:absolute;right:-60px;top:-60px;width:260px;height:260px;border:40px solid rgba(89,199,218,.12);border-radius:50%}
.cta__in{display:flex;align-items:center;justify-content:space-between;gap:32px;position:relative;z-index:1}
.cta h2{color:#fff;font-size:clamp(1.4rem,2.6vw,2rem);font-weight:700;margin-bottom:.4rem}
.cta p{margin:0;color:#c3cee4}

/* ---------- Contacto ---------- */
.contact{display:grid;grid-template-columns:.9fr 1.1fr;gap:64px;align-items:start}
.contact__list{list-style:none;margin:32px 0 0;padding:0;display:grid;gap:20px}
.contact__list li{display:flex;gap:16px;align-items:flex-start}
.contact__list svg{width:44px;height:44px;padding:11px;border-radius:12px;background:var(--navy);color:var(--cyan)}
.contact__list small{display:block;font-size:.72rem;text-transform:uppercase;letter-spacing:.16em;font-weight:700;color:var(--muted)}
.contact__list a,.contact__list span{text-decoration:none;color:var(--navy);font-weight:600;font-size:.98rem}
.contact__list a:hover{color:var(--cyan-2)}
.form{background:#fff;border:1px solid var(--line);border-radius:18px;padding:36px;box-shadow:var(--shadow);display:grid;gap:16px}
.form h3{font-size:1.2rem;margin-bottom:4px}
.form__row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form label{display:grid;gap:6px;font-size:.8rem;font-weight:600;color:var(--navy);letter-spacing:.02em}
.form input,.form select,.form textarea{font:inherit;font-size:.95rem;font-weight:400;color:var(--ink);background:var(--tint);border:1px solid var(--line);border-radius:10px;padding:12px 14px;width:100%;transition:border-color .2s,background .2s}
.form input:focus,.form select:focus,.form textarea:focus{outline:none;border-color:var(--cyan-2);background:#fff;box-shadow:0 0 0 3px rgba(89,199,218,.25)}
.form textarea{resize:vertical}
.form__actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:4px}
.form__actions .btn svg{width:1.25em;height:1.25em}
.form__err{color:#c0392b;font-size:.85rem;margin:0;min-height:1em}

/* ---------- Footer ---------- */
.footer{background:var(--navy-3);color:#9fadc8;font-size:.92rem}
.footer__in{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-top:64px;padding-bottom:48px}
.footer__brand img{height:28px;width:auto;margin-bottom:18px}
.footer__brand p{max-width:300px}
.footer h4{color:#fff;font-size:.78rem;text-transform:uppercase;letter-spacing:.2em;margin-bottom:16px}
.footer a,.footer__in span{display:block;text-decoration:none;color:#9fadc8;margin-bottom:8px}
.footer a:hover{color:var(--cyan)}
.footer__legal{display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;border-top:1px solid rgba(255,255,255,.08);padding-top:20px;padding-bottom:24px;font-size:.8rem;color:#7d8bab}

/* ---------- WhatsApp flotante ---------- */
.wa-float{position:fixed;right:20px;bottom:20px;z-index:60;width:58px;height:58px;border-radius:50%;background:#25d366;color:#fff;display:grid;place-items:center;box-shadow:0 10px 24px -6px rgba(0,0,0,.35);transition:transform .2s}
.wa-float svg{width:30px;height:30px}
.wa-float:hover{transform:scale(1.07)}

/* ---------- Animación de entrada ---------- */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
.reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.reveal{opacity:1;transform:none;transition:none}}

/* ---------- Responsive ---------- */
@media (max-width:1024px){
  .pillars{grid-template-columns:repeat(2,1fr)}
  .footer__in{grid-template-columns:1fr 1fr}
}
@media (max-width:900px){
  .nav{position:fixed;inset:76px 0 auto 0;flex-direction:column;align-items:stretch;gap:0;background:#fff;padding:8px 24px 24px;border-bottom:1px solid var(--line);box-shadow:0 20px 30px -20px rgba(12,29,65,.3);transform:translateY(-12px);opacity:0;pointer-events:none;transition:.25s}
  .nav.is-open{transform:none;opacity:1;pointer-events:auto}
  .nav a:not(.btn){padding:14px 0;border-bottom:1px solid var(--line)}
  .nav a:not(.btn)::after{display:none}
  .nav .btn{margin-top:16px;justify-content:center}
  .burger{display:block}
  .burger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .burger[aria-expanded="true"] span:nth-child(2){opacity:0}
  .burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
  .split,.line__in,.contact{grid-template-columns:1fr;gap:40px}
  .line__in--rev .line__media{order:0}
  .split__media::before{right:-10px;bottom:-10px}
  .mvv{grid-template-columns:1fr;margin-top:56px}
  .stats{grid-template-columns:repeat(2,1fr)}
  .stats li:nth-child(3){padding-left:0;border-left:0}
  .services{grid-template-columns:1fr}
  .cta__in{flex-direction:column;align-items:flex-start}
}
@media (max-width:560px){
  .wrap{padding:0 16px}
  .section,.line{padding:72px 0}
  .hero{padding:72px 0 96px}
  .brand img{height:22px}
  .form{padding:24px 18px}
  .form__row{grid-template-columns:1fr}
  .pillars{gap:10px}
  .pillars li{padding:20px 16px 16px}
  .logos{grid-template-columns:repeat(2,1fr);gap:10px}
  .logos li{height:88px;padding:14px}
  .logos--clients li{height:100px}
  .footer__in{grid-template-columns:1fr}
  .line__num{font-size:4rem;bottom:-18px}
}