:root{
  --bg:#0b1220;
  --panel:#121c31;
  --panel2:#0f182b;
  --text:#e8eefc;
  --muted:#a9b7d6;
  --brand:#6aa7ff;
  --brand2:#7cf0c6;
  --border:rgba(255,255,255,.10);
  --shadow: 0 12px 30px rgba(0,0,0,.35);
}

*{ box-sizing:border-box; }
html,body{ margin:0; padding:0; }
body{
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background: radial-gradient(1200px 600px at 10% 0%, rgba(106,167,255,.18), transparent 60%),
              radial-gradient(900px 500px at 90% 10%, rgba(124,240,198,.12), transparent 55%),
              var(--bg);
  color:var(--text);
  line-height:1.5;
}

a{ color: var(--text); text-decoration: none; }
a:hover{ text-decoration: underline; }

.container{
  width: min(1100px, calc(100% - 32px));
  margin: 0 auto;
}

.header{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding: 18px 0;
  position: sticky;
  top: 0;
  backdrop-filter: blur(10px);
  background: rgba(11,18,32,.65);
  border-bottom: 1px solid var(--border);
  z-index: 5;
}

.brand{
  font-weight: 800;
  letter-spacing: .2px;
}

.nav{
  display:flex;
  gap: 14px;
  align-items:center;
}

.nav a{
  color: var(--muted);
  font-weight: 600;
}
.nav a:hover{ color: var(--text); text-decoration:none; }

.lang{
  border:1px solid var(--border);
  background: rgba(255,255,255,.04);
  color: var(--text);
  padding: 8px 10px;
  border-radius: 10px;
  cursor:pointer;
  font-weight:700;
}

.section{ padding: 34px 0; }
.hero{
  padding: 28px 0 10px;
  display:grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 18px;
  align-items:start;
}

h1{ font-size: clamp(28px, 4vw, 46px); line-height: 1.1; margin: 10px 0 10px; }
h2{ font-size: 26px; margin: 0 0 14px; }
h3{ margin: 0 0 8px; }

.lead{ color: var(--muted); font-size: 18px; margin: 0 0 14px; }

.note{ color: var(--muted); margin-top: 14px; }

.panel{
  background: linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.02));
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 16px;
  box-shadow: var(--shadow);
}

.panel.subtle{
  background: rgba(255,255,255,.03);
  box-shadow: none;
}

.hero-card{
  border-radius: 18px;
  border: 1px solid var(--border);
  background: linear-gradient(180deg, rgba(106,167,255,.14), rgba(255,255,255,.03));
  box-shadow: var(--shadow);
  overflow:hidden;
}

.avatar{
  height: 90px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-weight: 900;
  font-size: 28px;
  letter-spacing: .5px;
  color: #081021;
  background: linear-gradient(90deg, var(--brand), var(--brand2));
}

.card-body{ padding: 14px 16px 16px; }
.card-title{ display:flex; flex-direction:column; gap: 2px; margin-bottom: 10px; }
.muted{ color: var(--muted); }
.small{ font-size: 13px; }

.checklist{ margin: 0; padding-left: 18px; color: var(--text); }
.checklist li{ margin: 8px 0; color: var(--muted); }

.chips{ display:flex; flex-wrap:wrap; gap: 8px; margin: 14px 0; }
.chip{
  border:1px solid var(--border);
  background: rgba(255,255,255,.03);
  padding: 6px 10px;
  border-radius: 999px;
  color: var(--muted);
  font-weight: 700;
  font-size: 13px;
}

.cta{ display:flex; gap: 10px; flex-wrap:wrap; margin-top: 8px; }
.btn{
  display:inline-block;
  padding: 10px 14px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,.04);
  color: var(--text);
  font-weight: 800;
}
.btn.primary{
  border-color: rgba(106,167,255,.45);
  background: linear-gradient(90deg, rgba(106,167,255,.35), rgba(124,240,198,.20));
}
.btn:hover{ text-decoration:none; filter: brightness(1.05); }

.grid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin: 12px 0 14px;
}

.columns{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.steps{ margin: 0; padding-left: 18px; color: var(--muted); }
.steps li{ margin: 8px 0; }

.links{ margin: 10px 0 0; padding-left: 18px; }
.links li{ margin: 8px 0; color: var(--muted); }
.links a{ color: var(--text); font-weight: 700; }

.footer{
  padding: 24px 0 40px;
  border-top: 1px solid var(--border);
  margin-top: 10px;
}

@media (max-width: 860px){
  .hero{ grid-template-columns: 1fr; }
  .grid{ grid-template-columns: 1fr; }
  .columns{ grid-template-columns: 1fr; }
  .header{ position: static; }
}