:root{
  --bg: #EAF1FF;
  --surface: #FFFFFF;
  --surface-2:#EEF4FF;
  --text: #0B1F3A;
  --muted: #41536E;

  --primary: #0B3A7A;
  --primary-2:#1E5BC9;
  --accent: #2B7CFF;
  --accent-2:#00A3C4;

  --border: rgba(11,58,122,0.18);
  --shadow: 0 12px 34px rgba(11,58,122,0.14);
  --radius: 14px;

  --hero-overlay: rgba(234,241,255,0.72);
  --hero-overlay-2: rgba(238,244,255,0.90);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, Noto Sans, Arial, sans-serif;
  color: var(--text);
  background: var(--bg) url("../img/bg-cyber.svg") center/cover fixed no-repeat;
  line-height:1.55;
}

a{color:inherit; text-decoration:none}
a:hover{color:var(--primary-2)}
small{color:var(--muted)}
p{color:var(--muted); margin:0 0 1rem}
h1,h2,h3{line-height:1.15; margin:0 0 .75rem}
h1{font-size: clamp(2rem, 3.2vw, 3rem)}
h2{font-size: clamp(1.5rem, 2.2vw, 2.1rem)}
h3{font-size:1.1rem; letter-spacing:.2px}

.container{max-width:var(--max); margin:0 auto; padding:0 20px}

header{
  position:sticky; top:0; z-index:50;
  backdrop-filter: blur(10px);
  background: rgba(7,20,37,.68);
  border-bottom:1px solid var(--border);
}
.nav{
  display:flex; align-items:center; justify-content:space-between;
  padding:14px 0;
  gap:14px;
}
.brand{display:flex; align-items:center; gap:10px; min-width: 220px}
.brand img{height:60px; width:auto}
.brand span{font-weight:700; letter-spacing:.2px}
.badge{
  display:inline-flex; align-items:center; gap:8px;
  padding:6px 10px; border:1px solid var(--border);
  border-radius:999px; color:var(--muted); font-size:.85rem;
  background: rgba(14,39,68,.55);
}
.badge i{width:8px; height:8px; border-radius:99px; background: var(--accent); display:inline-block}

nav ul{list-style:none; display:flex; padding:0; margin:0; gap:14px; align-items:center}
nav a{
  padding:8px 10px; border-radius:10px;
  color: var(--muted);
}
nav a.active{color:var(--text); background: rgba(14,39,68,.75); border:1px solid var(--border)}
.lang{
  display:flex; gap:8px; align-items:center;
  padding:6px 8px; border:1px solid var(--border); border-radius:999px;
  background: rgba(14,39,68,.55);
}
.lang a{padding:6px 10px; border-radius:999px; color:var(--muted); font-size:.9rem}
.lang a.current{background: rgba(43,123,255,.18); color: var(--text); border:1px solid rgba(43,123,255,.35)}
.menu-btn{
  display:none;
  border:1px solid var(--border); background: rgba(14,39,68,.55);
  color:var(--text); border-radius:12px; padding:10px 12px;
}
.hero{
  padding:58px 0 34px;
}
.hero-grid{
  display:grid; grid-template-columns: 1.25fr .75fr; gap:18px; align-items:stretch;
}
.card{
  background: linear-gradient(180deg, rgba(14,39,68,.75), rgba(11,30,51,.65));
  border:1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding:22px;
}
.kicker{color:var(--muted); letter-spacing:.2px}
.cta-row{display:flex; gap:12px; flex-wrap:wrap; margin-top:18px}
.btn{
  display:inline-flex; align-items:center; justify-content:center;
  padding:12px 14px; border-radius:14px;
  border:1px solid rgba(43,123,255,.45);
  background: rgba(43,123,255,.16);
  color:var(--text);
  font-weight:650;
}
.btn.secondary{
  border:1px solid var(--border);
  background: rgba(14,39,68,.55);
  color: var(--muted);
}
.btn:hover{filter: brightness(1.08)}

.grid-3{display:grid; grid-template-columns: repeat(3, 1fr); gap:14px}
.grid-2{display:grid; grid-template-columns: repeat(2, 1fr); gap:14px}
.icon{
  width:40px; height:40px; border-radius:14px;
  display:grid; place-items:center;
  background: rgba(39,215,181,.12);
  border:1px solid rgba(39,215,181,.25);
}
.icon svg{width:20px; height:20px}
.hr{height:1px; background: var(--border); margin:18px 0}
.note{
  padding:12px 14px; border:1px dashed rgba(185,200,230,.35);
  border-radius:14px; background: rgba(11,30,51,.35);
  color: var(--muted); font-size:.95rem;
}
footer{
  margin-top:38px;
  border-top:1px solid var(--border);
  background: rgba(7,20,37,.5);
}
.footer-inner{padding:22px 0; display:flex; gap:14px; justify-content:space-between; flex-wrap:wrap; align-items:center}
.footer-links{display:flex; gap:12px; flex-wrap:wrap}
.footer-links a{color:var(--muted); padding:6px 8px; border-radius:10px}
.footer-links a:hover{background: rgba(14,39,68,.55); color:var(--text)}
/* responsive */
@media (max-width: 900px){
  .hero-grid{grid-template-columns: 1fr}
  .grid-3{grid-template-columns: 1fr}
  .grid-2{grid-template-columns: 1fr}
  nav ul{display:none}
  .menu-btn{display:inline-flex}
  nav.open ul{
    display:flex;
    position:absolute; left:20px; right:20px; top:64px;
    flex-direction:column; align-items:stretch; gap:6px;
    background: rgba(7,20,37,.92);
    border:1px solid var(--border);
    border-radius:16px;
    padding:10px;
  }
  nav.open a{padding:12px 12px}
}


/* --- visual refresh (lighter + nuanced blues) --- */
body::before{
  content:"";
  position: fixed;
  inset:0;
  background: linear-gradient(180deg, rgba(234,241,255,0.78), rgba(234,241,255,0.50));
  pointer-events:none;
  z-index:-1;
}

header, .header{
  background: rgba(255,255,255,0.78);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

a{ color: var(--primary-2); }
a:hover, a:focus{ color: var(--accent); }

.hero, .hero-card{
  background: linear-gradient(135deg, var(--hero-overlay), var(--hero-overlay-2));
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  border-radius: calc(var(--radius) + 6px);
}

.card, .panel, .service-card, .box{
  background: rgba(255,255,255,0.86);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  border-radius: var(--radius);
}

.badge{
  background: rgba(43,124,255,0.10);
  color: var(--primary);
  border: 1px solid rgba(43,124,255,0.18);
}

.btn, button, input[type="submit"]{
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  color: #fff;
  border: 0;
  box-shadow: 0 10px 25px rgba(11,58,122,0.18);
  border-radius: var(--radius);
}

.btn.secondary{
  background: rgba(255,255,255,0.80);
  color: var(--primary);
  border: 1px solid var(--border);
}

footer, .footer{
  background: rgba(255,255,255,0.70);
  border-top: 1px solid var(--border);
}


/* icons inside topic buttons */
.btn.has-icon{
  display:inline-flex;
  align-items:center;
  gap:10px;
}
.btn .btn-icon{
  display:inline-flex;
  width:32px;
  height:32px;
  flex: 0 0 32px;
}
.btn .btn-icon img{
  width:32px;
  height:32px;
}
/* email image */
.email-link img.email-img{
  height:30px;
  width:auto;
  vertical-align:middle;
}