:root{
  --systems-bg:#05070c;
  --systems-panel:rgba(255,255,255,.055);
  --systems-panel-strong:rgba(255,255,255,.09);
  --systems-line:rgba(255,255,255,.12);
  --systems-text:#eef4ff;
  --systems-muted:#9ba8bc;
  --systems-cyan:#67e8f9;
  --systems-blue:#8ab4ff;
  --systems-violet:#a78bfa;
  --systems-max:1120px;
  --systems-radius:22px;
  --systems-sans:Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;
}

*{
  box-sizing:border-box;
}

html{
  scroll-behavior:smooth;
}

body{
  margin:0;
  font-family:var(--systems-sans);
  background:
    radial-gradient(900px 500px at 80% -10%, rgba(103,232,249,.18), transparent 60%),
    radial-gradient(700px 420px at 10% 20%, rgba(167,139,250,.16), transparent 58%),
    linear-gradient(180deg,#05070c,#080b13 55%,#05070c);
  color:var(--systems-text);
  line-height:1.6;
}

body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  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:48px 48px;
  mask-image:linear-gradient(to bottom, rgba(0,0,0,.75), transparent 82%);
}

a{
  color:inherit;
}

.systems-container{
  width:min(var(--systems-max),100% - 40px);
  margin-inline:auto;
}

.systems-nav{
  position:sticky;
  top:0;
  z-index:10;
  backdrop-filter:blur(18px);
  background:rgba(5,7,12,.72);
  border-bottom:1px solid var(--systems-line);
}

.systems-nav-inner{
  height:72px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
}

.systems-brand{
  text-decoration:none;
  font-weight:700;
  letter-spacing:.04em;
  text-transform:uppercase;
  font-size:13px;
}

.systems-links{
  display:flex;
  gap:18px;
  align-items:center;
  font-size:13px;
  color:var(--systems-muted);
}

.systems-links a{
  text-decoration:none;
}

.systems-links a:hover{
  color:var(--systems-text);
}

.systems-hero{
  min-height:calc(100vh - 72px);
  display:grid;
  align-items:center;
  padding:86px 0 72px;
}

.systems-eyebrow{
  color:var(--systems-cyan);
  text-transform:uppercase;
  letter-spacing:.18em;
  font-size:12px;
  font-weight:700;
  margin:0 0 18px;
}

.systems-hero h1{
  margin:0;
  max-width:980px;
  font-size:clamp(42px,7vw,86px);
  line-height:.96;
  letter-spacing:-.055em;
}

.systems-hero-lead{
  margin:28px 0 0;
  max-width:760px;
  color:var(--systems-muted);
  font-size:clamp(17px,2vw,22px);
}

.systems-actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:34px;
}

.systems-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  height:48px;
  padding:0 20px;
  border-radius:999px;
  text-decoration:none;
  font-weight:700;
  font-size:14px;
  border:1px solid var(--systems-line);
  background:var(--systems-panel);
  transition:transform .22s ease, border-color .22s ease, background .22s ease;
}

.systems-btn-primary{
  background:linear-gradient(135deg,rgba(103,232,249,.95),rgba(138,180,255,.88));
  color:#061019;
  border:0;
  box-shadow:0 0 38px rgba(103,232,249,.22);
}

.systems-btn:hover{
  transform:translateY(-1px);
  border-color:rgba(103,232,249,.35);
}

.systems-section{
  padding:84px 0;
}

.systems-title{
  margin:0 0 14px;
  font-size:clamp(28px,3vw,42px);
  letter-spacing:-.035em;
  line-height:1.05;
}

.systems-lead{
  margin:0 0 28px;
  max-width:760px;
  color:var(--systems-muted);
  font-size:17px;
}

.systems-grid{
  display:grid;
  gap:16px;
}

.systems-grid-2{
  grid-template-columns:repeat(2,1fr);
}

.systems-grid-3{
  grid-template-columns:repeat(3,1fr);
}

.systems-grid-4{
  grid-template-columns:repeat(4,1fr);
}

.systems-card{
  border:1px solid var(--systems-line);
  background:linear-gradient(180deg,var(--systems-panel-strong),var(--systems-panel));
  border-radius:var(--systems-radius);
  padding:22px;
  box-shadow:0 24px 80px rgba(0,0,0,.28);
  position:relative;
  overflow:hidden;
}

.systems-card::before{
  content:"";
  position:absolute;
  inset:0;
  background:radial-gradient(420px 160px at 20% 0%, rgba(103,232,249,.10), transparent 58%);
  pointer-events:none;
}

.systems-card > *{
  position:relative;
  z-index:1;
}

.systems-card-kicker{
  margin:0 0 10px;
  color:var(--systems-cyan);
  text-transform:uppercase;
  letter-spacing:.14em;
  font-size:11px;
  font-weight:800;
}

.systems-card h3{
  margin:0 0 10px;
  font-size:21px;
  letter-spacing:-.02em;
}

.systems-card p{
  margin:0;
  color:var(--systems-muted);
  font-size:15px;
}

.systems-tags{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin-top:18px;
}

.systems-tags span{
  border:1px solid rgba(103,232,249,.20);
  color:#c9f7ff;
  background:rgba(103,232,249,.07);
  padding:6px 9px;
  border-radius:999px;
  font-size:12px;
}

.systems-project-link{
  display:inline-flex;
  margin-top:18px;
  color:var(--systems-cyan);
  text-decoration:none;
  font-weight:700;
  font-size:14px;
}

.systems-list{
  display:grid;
  gap:10px;
  margin:0;
  padding:0;
  list-style:none;
}

.systems-list li{
  border:1px solid var(--systems-line);
  background:rgba(255,255,255,.04);
  border-radius:16px;
  padding:13px 14px;
  color:var(--systems-muted);
}

.systems-contact-panel{
  border:1px solid rgba(103,232,249,.22);
  background:
    radial-gradient(600px 260px at 75% 0%, rgba(103,232,249,.15), transparent 60%),
    linear-gradient(180deg,rgba(255,255,255,.08),rgba(255,255,255,.04));
  border-radius:28px;
  padding:34px;
}

.systems-contact-email{
  display:inline-flex;
  margin-top:18px;
  font-size:clamp(22px,3vw,34px);
  color:var(--systems-cyan);
  text-decoration:none;
  font-weight:800;
  letter-spacing:-.035em;
}

.systems-footer{
  border-top:1px solid var(--systems-line);
  padding:26px 0;
  color:var(--systems-muted);
  font-size:13px;
}

@media(max-width:900px){
  .systems-grid-4,
  .systems-grid-3,
  .systems-grid-2{
    grid-template-columns:1fr;
  }

  .systems-nav-inner{
    height:auto;
    padding:16px 0;
    align-items:flex-start;
  }

  .systems-links{
    flex-wrap:wrap;
    justify-content:flex-end;
  }

  .systems-hero{
    min-height:auto;
    padding:78px 0 54px;
  }
}

@media(max-width:560px){
  .systems-nav-inner{
    display:grid;
  }

  .systems-links{
    justify-content:flex-start;
  }

  .systems-actions{
    display:grid;
  }

  .systems-btn{
    width:100%;
  }

  .systems-section{
    padding:62px 0;
  }

  .systems-contact-panel{
    padding:24px;
  }
}
.systems-lang{
  display:inline-flex;
  align-items:center;
  gap:8px;
  color:var(--systems-muted);
  font-size:13px;
}

.systems-lang-btn{
  border:0;
  background:transparent;
  color:var(--systems-muted);
  font-weight:800;
  cursor:pointer;
  padding:6px;
  border-radius:8px;
}

.systems-lang-btn:hover,
.systems-lang-btn.is-active{
  color:var(--systems-text);
  background:rgba(255,255,255,.06);
}

@media(max-width:900px){
  .systems-lang{
    justify-content:flex-end;
  }
}

@media(max-width:560px){
  .systems-lang{
    justify-content:flex-start;
  }
}
/* ===== Refinements: top bar, language label, mobile flow, contact actions ===== */

.systems-brand{
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-size: 16px;
  letter-spacing: .08em;
}

.systems-links{
  font-size: 15px;
}

.systems-lang{
  font-size: 14px;
}

.systems-lang-label{
  margin-right:4px;
  color:var(--systems-muted);
  font-size:12px;
  font-weight:700;
  letter-spacing:.12em;
  text-transform:uppercase;
}

.systems-contact-actions{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:14px;
  margin-top:18px;
}

.systems-contact-email{
  margin-top:0;
}

.systems-whatsapp-link{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:46px;
  padding:0 18px;
  border-radius:999px;
  border:1px solid rgba(103,232,249,.28);
  background:rgba(103,232,249,.08);
  color:var(--systems-cyan);
  text-decoration:none;
  font-weight:800;
  font-size:14px;
  box-shadow:0 0 28px rgba(103,232,249,.10);
  transition:transform .22s ease, background .22s ease, border-color .22s ease;
}

.systems-whatsapp-link:hover{
  transform:translateY(-1px);
  background:rgba(103,232,249,.13);
  border-color:rgba(103,232,249,.42);
}

@media(max-width:900px){
  .systems-grid-4,
  .systems-grid-3,
  .systems-grid-2{
    display:flex;
    grid-template-columns:none;
    overflow-x:auto;
    gap:14px;
    padding:2px 0 14px;
    scroll-snap-type:x mandatory;
    -webkit-overflow-scrolling:touch;
  }

  .systems-card{
    flex:0 0 min(84vw, 380px);
    scroll-snap-align:start;
  }

  .systems-grid::-webkit-scrollbar,
  .systems-list::-webkit-scrollbar{
    height:6px;
  }

  .systems-grid::-webkit-scrollbar-thumb,
  .systems-list::-webkit-scrollbar-thumb{
    background:rgba(103,232,249,.24);
    border-radius:999px;
  }

  .systems-grid::-webkit-scrollbar-track,
  .systems-list::-webkit-scrollbar-track{
    background:rgba(255,255,255,.05);
    border-radius:999px;
  }

  #services .systems-grid{
    display:grid;
    grid-template-columns:1fr;
    overflow:visible;
    padding-bottom:0;
  }

  #services .systems-list{
    display:flex;
    overflow-x:auto;
    gap:12px;
    padding:2px 0 14px;
    scroll-snap-type:x mandatory;
    -webkit-overflow-scrolling:touch;
  }

  #services .systems-list li{
    flex:0 0 min(82vw, 360px);
    min-height:92px;
    display:flex;
    align-items:center;
    scroll-snap-align:start;
  }
}

@media(max-width:560px){
  .systems-brand{
    font-size:18px;
  }

  .systems-links{
    font-size:15px;
    gap:14px;
  }

  .systems-lang{
    gap:7px;
  }

  .systems-lang-label{
    font-size:11px;
  }

  .systems-contact-actions{
    display:grid;
    gap:12px;
  }

  .systems-contact-email,
  .systems-whatsapp-link{
    width:100%;
  }
}
.systems-footer-home{
  color:var(--systems-text);
  text-decoration:none;
  font-weight:700;
}

.systems-footer-home:hover{
  color:var(--systems-cyan);
}

.systems-footer-separator{
  margin:0 8px;
  color:var(--systems-muted);
}
.systems-footer-secondary-links{
  margin-top:10px;
}

.systems-footer-secondary-links a{
  color:var(--systems-cyan);
  text-decoration:none;
  font-weight:700;
}

.systems-footer-secondary-links a:hover{
  color:var(--systems-text);
}
/* ===== Footer world ===== */

.systems-footer-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
}

.systems-footer-meta{
  display:flex;
  flex-direction:column;
  gap:10px;
}

.footer-world{
  margin-top:10px;
}

.footer-world-label{
  display:block;
  margin-bottom:10px;
  font-size:11px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--systems-muted);
  opacity:.75;
}

.footer-secondary-links{
  display:flex;
  flex-wrap:wrap;
  gap:12px 18px;
  padding-bottom:6px;
}

.footer-secondary-links a{
  display:inline-flex;
  align-items:center;
  gap:8px;
  color:var(--systems-cyan);
  text-decoration:none;
  font-size:13px;
  font-weight:700;
  letter-spacing:.04em;
  text-transform:uppercase;
  opacity:.82;
  transition:opacity .22s ease, transform .22s ease, color .22s ease;
}

.footer-secondary-links a::after{
  content:"↗";
  font-size:12px;
  opacity:.72;
  transition:transform .22s ease;
}

.footer-secondary-links a:hover{
  opacity:1;
  transform:translateY(-1px);
  color:var(--systems-text);
}

.footer-secondary-links a:hover::after{
  transform:translate(2px,-1px);
}

@media(max-width:560px){
  .systems-footer-inner{
    align-items:flex-start;
  }

  .footer-secondary-links{
    display:grid;
    gap:10px;
  }
}