:root{
  --max:80vw;
  --bg:#091019;
  --bg2:#0d1620;
  --panel:#101b27;
  --panel2:#122131;
  --line:#23384a;
  --text:#e8eef5;
  --muted:#a7b6c5;
  --brand:#34b4c6;
  --brand2:#7fe2ec;
  --radius:18px;
  --shadow:0 16px 48px rgba(0,0,0,.28);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:Arial, Helvetica, sans-serif;
  color:var(--text);
  background:
    radial-gradient(circle at top right, rgba(52,180,198,.14), transparent 28%),
    linear-gradient(180deg, #071018 0%, #0a1119 100%);
  line-height:1.65;
}
a{color:var(--brand2); text-decoration:none}
a:hover{color:#b6f6fd}
img{max-width:100%; display:block}
.container{max-width:var(--max); margin:0 auto; padding:0 24px}
.site-header{
  position:sticky; top:0; z-index:20;
  background:rgba(7,16,24,.88);
  backdrop-filter: blur(10px);
  border-bottom:1px solid rgba(255,255,255,.06);
}
.header-inner{
  min-height:88px;
  display:flex; align-items:center; justify-content:space-between; gap:24px;
}
.brand img{height:60px; width:auto}
.nav{display:flex; gap:10px 8px; flex-wrap:wrap; justify-content:flex-end}
.nav a{
  color:var(--text);
  padding:10px 12px;
  border-radius:999px;
  font-size:14px;
  opacity:.92;
}
.nav a.active,.nav a:hover{
  background:rgba(52,180,198,.14);
  color:#ddfbff;
}
.lang-switch{
  display:flex; gap:8px; margin-left:12px;
}
.lang-btn{
  border:1px solid rgba(255,255,255,.10);
  background:transparent;
  color:var(--text);
  border-radius:999px;
  padding:8px 12px;
  cursor:pointer;
}
.lang-btn.active{
  background:rgba(52,180,198,.16);
  color:#defcff;
}
.hero{
  padding:78px 0 46px;
}
.hero-grid{
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:28px;
  align-items:center;
}
.kicker{
  display:inline-block;
  padding:8px 12px;
  border-radius:999px;
  background:rgba(52,180,198,.12);
  border:1px solid rgba(127,226,236,.16);
  color:#c6f4f8;
  font-size:13px;
}
h1,h2,h3{line-height:1.15; margin:0 0 16px}
h1{font-size:clamp(34px,5vw,58px)}
h2{font-size:clamp(26px,4vw,38px)}
h3{font-size:clamp(20px,3vw,26px)}
p{margin:0 0 16px}
.lead{font-size:18px; color:#d7e2eb}
.actions{display:flex; gap:12px; flex-wrap:wrap; margin-top:24px}
.btn{
  display:inline-flex; align-items:center; justify-content:center;
  min-height:46px; padding:0 18px; border-radius:999px; font-weight:bold;
  border:1px solid rgba(255,255,255,.08);
}
.btn-primary{background:linear-gradient(180deg,var(--brand),#2495a8); color:#06141a}
.btn-secondary{background:transparent; color:var(--text)}
.card,.hero-card,.prose,.side{
  background:linear-gradient(180deg, rgba(16,27,39,.96), rgba(11,21,31,.96));
  border:1px solid rgba(255,255,255,.07);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
}
.hero-card{padding:26px}
.hero-list{list-style:none; margin:0; padding:0}
.hero-list li{padding:11px 0; border-top:1px solid rgba(255,255,255,.07); color:#d5e0ea}
.hero-list li:first-child{border-top:none; padding-top:0}
.section{padding:28px 0 24px}
.grid-3{display:grid; grid-template-columns:repeat(3,1fr); gap:22px}
.grid-2{display:grid; grid-template-columns:repeat(2,1fr); gap:22px}
.card{padding:24px}
.stat{font-size:30px; color:#e3fbff; font-weight:bold; margin-bottom:8px}
.tag-list{display:flex; flex-wrap:wrap; gap:10px; margin-top:14px}
.tag{
  padding:8px 12px; border-radius:999px;
  background:rgba(52,180,198,.12);
  border:1px solid rgba(127,226,236,.15);
  color:#cef7fb; font-size:13px;
}
.page-hero{padding:52px 0 14px}
.content{padding:10px 0 56px}
.content-grid{display:grid; grid-template-columns:1.7fr .9fr; gap:24px}
.prose{padding:28px}
.side{padding:22px}
.note{
  border-left:3px solid var(--brand);
  padding:8px 0 8px 16px;
  color:#dbf7fb;
}
.article-list{display:grid; gap:16px}
.article-item{
  padding:18px; border-radius:14px;
  background:rgba(255,255,255,.025);
  border:1px solid rgba(255,255,255,.07);
}
.contact-list{display:grid; gap:12px}
.footer{
  padding:34px 0 48px;
  border-top:1px solid rgba(255,255,255,.07);
  color:var(--muted);
  margin-top:18px;
}
.footer-grid{display:grid; grid-template-columns:1.1fr .9fr .8fr; gap:22px}
.small{font-size:14px}
.feature-box{
  padding:18px; border-radius:14px;
  background:rgba(52,180,198,.06);
  border:1px solid rgba(127,226,236,.12);
  margin-bottom:14px;
}
[data-en]{display:none}
.nav a{display:inline-block}
body.lang-en [data-pt]{display:none !important}
body.lang-en [data-en]{display:block !important}
body.lang-en [data-inline-pt]{display:none !important}
body.lang-en [data-inline-en]{display:inline !important}
[data-inline-en]{display:none}
@media (max-width:1100px){
  .hero-grid,.content-grid,.grid-3,.grid-2,.footer-grid{grid-template-columns:1fr}
}
@media (max-width:900px){
  .header-inner{flex-direction:column; align-items:flex-start; padding:14px 0}
  .nav{justify-content:flex-start}
  :root{--max:92vw}
}

/* ensure menu always visible */
.nav a{display:inline-block !important}