/* NEBADO.NET - Estilo corporativo minimalista | 60% hielo · 30% marino · 10% esmeralda */
*{margin:0;padding:0;box-sizing:border-box}
:root{
  --navy:#0F172A;--navy-2:#1E293B;--ice:#F8FAFC;--ice-2:#EEF2F7;
  --emerald:#10B981;--emerald-d:#059669;--cyan:#22D3EE;
  --text:#0F172A;--muted:#64748B;--line:#E2E8F0;
  --radius:14px;--shadow:0 1px 3px rgba(15,23,42,.06),0 8px 24px rgba(15,23,42,.06);
}
html{scroll-behavior:smooth}
body{font-family:'Inter',system-ui,sans-serif;color:var(--text);background:var(--ice);line-height:1.7;overflow-x:hidden}
a{color:inherit}
.container{max-width:1200px;margin:0 auto;padding:0 24px}

/* Header */
.header{position:fixed;top:0;left:0;right:0;z-index:1000;background:rgba(15,23,42,.92);backdrop-filter:blur(14px);border-bottom:1px solid rgba(255,255,255,.06)}
.nav{display:flex;justify-content:space-between;align-items:center;height:72px}
.logo{font-weight:800;font-size:1.35rem;letter-spacing:.5px;color:#fff;text-decoration:none}
.logo span{color:var(--emerald)}
.nav-links{display:flex;list-style:none;gap:28px;align-items:center}
.nav-links a{color:#CBD5E1;text-decoration:none;font-size:.95rem;font-weight:500;transition:color .2s}
.nav-links a:hover{color:#fff}
.nav-links .nav-login{border:1px solid rgba(255,255,255,.2);padding:7px 16px;border-radius:8px}
.mobile-menu{display:none;background:none;border:0;color:#fff;font-size:1.5rem;cursor:pointer}

/* Botones */
.btn{display:inline-flex;align-items:center;gap:10px;padding:14px 28px;border-radius:10px;font-weight:600;font-size:1rem;text-decoration:none;border:2px solid transparent;cursor:pointer;transition:all .2s}
.btn-cta{background:var(--emerald);color:#04241A}
.btn-cta:hover{background:var(--emerald-d);color:#fff;transform:translateY(-2px);box-shadow:0 10px 24px rgba(16,185,129,.35)}
.btn-ghost{border-color:rgba(255,255,255,.25);color:#fff}
.btn-ghost:hover{border-color:var(--cyan);color:var(--cyan)}

/* Hero */
.hero{background:var(--navy);color:#fff;padding:140px 0 96px;position:relative;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center;position:relative;z-index:2}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--cyan);font-size:.8rem;font-weight:600;letter-spacing:2px;text-transform:uppercase;margin-bottom:20px}
.eyebrow::before{content:'';width:28px;height:2px;background:var(--cyan)}
.hero h1{font-size:clamp(2.2rem,5vw,3.6rem);font-weight:800;line-height:1.1;margin-bottom:20px;letter-spacing:-1px}
.hero h1 em{font-style:normal;color:var(--emerald)}
.hero p.lead{color:#94A3B8;font-size:1.15rem;max-width:560px;margin-bottom:36px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.hero-visual svg{width:100%;height:auto;max-width:520px;display:block;margin:0 auto}
.ip-status{margin-top:36px;display:inline-block;background:rgba(255,255,255,.05);border:1px solid rgba(34,211,238,.25);border-radius:12px;padding:14px 18px;font-size:.9rem;color:#E2E8F0;max-width:100%}
.ip-status strong{color:var(--cyan)}
.hero-bg{position:absolute;inset:0;background:radial-gradient(circle at 80% 20%,rgba(34,211,238,.12),transparent 45%),radial-gradient(circle at 10% 90%,rgba(16,185,129,.10),transparent 40%)}

/* Secciones */
.section{padding:96px 0}
.section.alt{background:#fff}
.section.dark{background:var(--navy);color:#fff}
.section-head{max-width:720px;margin-bottom:56px}
.section-head.center{text-align:center;margin-left:auto;margin-right:auto}
.section-head .eyebrow{color:var(--emerald)}
.section-head .eyebrow::before{background:var(--emerald)}
.section.dark .section-head .eyebrow{color:var(--cyan)}
.section.dark .section-head .eyebrow::before{background:var(--cyan)}
.section-head h2{font-size:clamp(1.8rem,3.5vw,2.6rem);font-weight:800;letter-spacing:-.5px;line-height:1.15;margin-bottom:14px}
.section-head p{color:var(--muted);font-size:1.1rem}
.section.dark .section-head p{color:#94A3B8}

/* Aviso MinTIC */
.notice{display:flex;gap:18px;background:#fff;border:1px solid var(--line);border-left:4px solid var(--emerald);border-radius:var(--radius);padding:24px 28px;margin-bottom:40px;box-shadow:var(--shadow)}
.notice i{color:var(--emerald);font-size:1.4rem;margin-top:4px}
.notice h3{font-size:1.1rem;margin-bottom:6px}
.notice p{color:var(--muted)}

/* Tarjetas de servicio */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:24px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:32px;position:relative;transition:all .25s;box-shadow:var(--shadow)}
.card:hover{transform:translateY(-6px);border-color:var(--emerald);box-shadow:0 18px 40px rgba(15,23,42,.12)}
.card.featured{border-color:var(--emerald);background:linear-gradient(180deg,#ECFDF5 0,#fff 55%)}
.badge{position:absolute;top:18px;right:18px;background:var(--emerald);color:#04241A;font-size:.72rem;font-weight:700;letter-spacing:1px;padding:4px 10px;border-radius:999px}
.card-icon{width:52px;height:52px;border-radius:12px;background:var(--navy);color:var(--cyan);display:flex;align-items:center;justify-content:center;font-size:1.3rem;margin-bottom:20px}
.card h3{font-size:1.2rem;margin-bottom:10px}
.card>p{color:var(--muted);font-size:.97rem;margin-bottom:16px}
.card ul{list-style:none}
.card li{display:flex;gap:10px;padding:5px 0;color:#334155;font-size:.92rem}
.card li i{color:var(--emerald);margin-top:5px;font-size:.8rem}

/* Consultoría Aplicada (fondo oscuro) */
.std-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:20px}
.std{background:var(--navy-2);border:1px solid rgba(255,255,255,.08);border-radius:var(--radius);padding:28px;transition:all .25s}
.std:hover{border-color:var(--cyan);transform:translateY(-4px)}
.std .tag{font-size:.75rem;font-weight:700;letter-spacing:1.5px;color:var(--cyan);margin-bottom:10px;display:block}
.std h3{font-size:1.1rem;margin-bottom:8px}
.std p{color:#94A3B8;font-size:.92rem}

/* Nosotros */
.about-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:56px;align-items:center}
.about-grid p{color:var(--muted);margin-bottom:18px}
.stats{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.stat{background:var(--ice);border:1px solid var(--line);border-radius:var(--radius);padding:26px;text-align:center}
.stat b{display:block;font-size:2rem;font-weight:800;color:var(--navy)}
.stat span{color:var(--muted);font-size:.9rem}

/* CTA final */
.cta-band{background:var(--navy);color:#fff;text-align:center;padding:80px 0}
.cta-band h2{font-size:clamp(1.6rem,3vw,2.3rem);margin-bottom:14px}
.cta-band p{color:#94A3B8;margin-bottom:30px}

/* Footer */
.footer{background:#0B1220;color:#94A3B8;padding:64px 0 28px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:40px}
.footer h4{color:#fff;margin-bottom:14px;font-size:1rem}
.footer ul{list-style:none}
.footer a{color:#94A3B8;text-decoration:none;display:block;padding:4px 0;transition:color .2s}
.footer a:hover{color:var(--emerald)}
.social{display:flex;gap:10px;margin-top:18px}
.social a{width:38px;height:38px;border-radius:9px;background:var(--navy-2);display:flex;align-items:center;justify-content:center;color:#fff;padding:0}
.social a:hover{background:var(--emerald);color:#04241A}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);margin-top:40px;padding-top:22px;text-align:center;font-size:.88rem}

/* WhatsApp */
.wa{position:fixed;bottom:24px;right:24px;width:58px;height:58px;border-radius:50%;background:#25D366;color:#fff;font-size:30px;display:flex;align-items:center;justify-content:center;box-shadow:0 8px 24px rgba(37,211,102,.45);z-index:999;text-decoration:none;transition:transform .2s}
.wa:hover{transform:scale(1.08)}

/* Animación nodos */
@keyframes pulse{0%,100%{opacity:.5}50%{opacity:1}}
@keyframes flow{to{stroke-dashoffset:-40}}
.node{animation:pulse 3s ease-in-out infinite}
.link{stroke-dasharray:6 6;animation:flow 2.5s linear infinite}

/* Responsive */
@media(max-width:900px){
  .hero-grid,.about-grid{grid-template-columns:1fr}
  .hero-visual{order:-1;max-width:340px;margin:0 auto}
  .footer-grid{grid-template-columns:1fr}
}
@media(max-width:820px){
  .mobile-menu{display:block}
  .nav-links{display:none;position:absolute;top:72px;left:0;right:0;background:var(--navy);flex-direction:column;align-items:flex-start;padding:20px 24px;gap:16px;border-bottom:1px solid rgba(255,255,255,.08)}
  .nav-links.open{display:flex}
  .section{padding:64px 0}
  .hero{padding:110px 0 64px}
  .cards{grid-template-columns:1fr}
  .notice{flex-direction:column;gap:10px}
  .btn{width:100%;justify-content:center}
}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}