:root{
  --bg:#0b1220;
  --panel:#0f1a2e;
  --text:#e8eefc;
  --muted:#a9b6d3;
  --line:rgba(255,255,255,.10);
  --accent:#7cc8ff;
  --accent2:#8cffc7;
  --shadow: 0 18px 40px rgba(0,0,0,.35);
  --radius:18px;
  --radius2: 26px;
  --container: 1120px;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Noto Sans", "Helvetica Neue", sans-serif;
  background: radial-gradient(1200px 800px at 10% 0%, rgba(124,200,255,.20), transparent 55%),
              radial-gradient(1000px 700px at 90% 10%, rgba(140,255,199,.14), transparent 55%),
              var(--bg);
  color:var(--text);
}

a{color:inherit; text-decoration:none}
img{max-width:100%; height:auto; display:block}

.container{
  width:min(var(--container), calc(100% - 40px));
  margin:0 auto;
}

.site-header{
  position:sticky; top:0; z-index:50;
  backdrop-filter: blur(10px);
  background: rgba(11,18,32,.72);
  border-bottom: 1px solid var(--line);
}

.header-row{
  display:flex; align-items:center; justify-content:space-between;
  padding: 14px 0;
}

.brand{
  display:flex; align-items:center; gap:10px;
  font-weight:800; letter-spacing:.2px;
}
.brand span{font-size:16px}

.site-nav{
  display:flex; align-items:center; gap:14px;
}
.site-nav a{
  padding:10px 12px;
  border-radius: 999px;
  color: var(--muted);
  font-weight:600;
}
.site-nav a.active{ color: var(--text); background: rgba(255,255,255,.06); }
.site-nav a:hover{ color: var(--text); background: rgba(255,255,255,.06); }

.nav-toggle{
  display:none;
  width:44px; height:44px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.04);
  cursor:pointer;
  align-items:center; justify-content:center;
  gap:5px; flex-direction:column;
}
.nav-toggle span{
  width:18px; height:2px; background: var(--text); opacity:.9;
}

.btn{
  display:inline-flex; align-items:center; justify-content:center;
  padding: 12px 16px;
  border-radius: 999px;
  font-weight:800;
  border: 1px solid rgba(124,200,255,.45);
  background: linear-gradient(135deg, rgba(124,200,255,.22), rgba(140,255,199,.18));
  box-shadow: var(--shadow);
}
.btn:hover{ transform: translateY(-1px); }
.btn:active{ transform: translateY(0); }

.btn-small{ padding:10px 14px; }
.btn-ghost{
  border: 1px solid var(--line);
  background: rgba(255,255,255,.04);
  box-shadow:none;
}

.site-main{ padding-bottom: 60px; }

.hero{
  padding: 42px 0 16px;
}
.hero-grid{
  display:grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 22px;
  align-items:center;
}
.hero-copy h1{
  font-size: clamp(32px, 4vw, 48px);
  line-height:1.05;
  margin: 0 0 12px;
}
.lead{
  color: var(--muted);
  font-size: 18px;
  line-height:1.6;
  margin: 0 0 18px;
}
.hero-cta{ display:flex; gap:12px; flex-wrap:wrap; margin-bottom: 18px; }

.kpis{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}
.kpi{
  padding: 14px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: rgba(255,255,255,.03);
}
.kpi strong{ display:block; font-size: 14px; }
.kpi span{ font-size: 13px; }

.hero-art img{
  border-radius: var(--radius2);
  border: 1px solid var(--line);
  background: rgba(255,255,255,.03);
  box-shadow: var(--shadow);
}

.section{
  padding: 44px 0;
}
.section-alt{
  background: rgba(255,255,255,.02);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.section-head{ margin-bottom: 18px; }
.section-head h2{ margin: 0 0 8px; font-size: 28px; }
.muted{ color: var(--muted); }
.small{ font-size: 12px; }

.cards{
  display:grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}
.card{
  padding: 18px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: rgba(255,255,255,.03);
  box-shadow: 0 10px 26px rgba(0,0,0,.22);
}
.card h3{ margin: 12px 0 8px; }
.card p{ margin: 0 0 10px; color: var(--muted); line-height:1.55; }
.link{ font-weight:800; color: var(--text); opacity:.95; }

.split{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  align-items:center;
}
.art img{
  border-radius: var(--radius2);
  border: 1px solid var(--line);
  background: rgba(255,255,255,.03);
  box-shadow: var(--shadow);
}

.bullets{ margin: 14px 0 18px; padding-left: 18px; color: var(--muted); }
.bullets li{ margin: 8px 0; }

.page-head{
  padding: 34px 0 10px;
}
.page-head h1{ margin:0 0 8px; font-size: 40px; }

.grid-2{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.panel{
  padding: 18px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: rgba(255,255,255,.03);
}

.stacks{ display:flex; flex-direction:column; gap: 18px; }
.stack{ padding: 18px; border-radius: var(--radius); border:1px solid var(--line); background: rgba(255,255,255,.02); }
.stack h2{ margin: 0 0 6px; }
.stack .muted{ margin:0 0 12px; }

.callout{
  margin-top: 18px;
  padding: 18px;
  border-radius: var(--radius);
  border: 1px solid rgba(124,200,255,.35);
  background: linear-gradient(135deg, rgba(124,200,255,.12), rgba(140,255,199,.09));
}

.form .row{ margin-bottom: 12px; }
label{ display:block; margin-bottom: 6px; font-weight:700; color: var(--text); opacity:.92; }
input, textarea{
  width:100%;
  padding: 12px 12px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: rgba(0,0,0,.20);
  color: var(--text);
  outline:none;
}
input:focus, textarea:focus{ border-color: rgba(124,200,255,.55); }

.notice{
  padding: 12px 12px;
  border-radius: 14px;
  margin-bottom: 12px;
  border: 1px solid var(--line);
}
.notice.success{ border-color: rgba(140,255,199,.45); background: rgba(140,255,199,.08); }
.notice.error{ border-color: rgba(255,140,140,.45); background: rgba(255,140,140,.08); }

.steps{ color: var(--muted); line-height:1.7; }
.tag{ color: var(--text) !important; opacity:.9; font-weight:700; }

.hp{ position:absolute; left:-9999px; width:1px; height:1px; overflow:hidden; }

.site-footer{
  border-top: 1px solid var(--line);
  background: rgba(11,18,32,.65);
  padding: 34px 0 18px;
}
.footer-grid{
  display:grid;
  grid-template-columns: 1.2fr .8fr .8fr;
  gap: 18px;
}
.footer-grid h4{ margin: 0 0 10px; }
.footer-grid ul{ margin:0; padding-left: 18px; color: var(--muted); }
.footer-grid li{ margin: 8px 0; }
.footer-brand{ display:flex; align-items:center; gap:10px; margin-bottom: 8px; }
.footer-bottom{
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  display:flex; justify-content:space-between; gap:12px; flex-wrap:wrap;
}

@media (max-width: 980px){
  .cards{ grid-template-columns: repeat(2, 1fr); }
  .hero-grid{ grid-template-columns: 1fr; }
  .split{ grid-template-columns: 1fr; }
  .kpis{ grid-template-columns: 1fr; }
  .footer-grid{ grid-template-columns: 1fr; }
}

@media (max-width: 720px){
  .nav-toggle{ display:flex; }
  .site-nav{
    position:absolute;
    top: 64px;
    right: 20px;
    left: 20px;
    padding: 12px;
    border-radius: 18px;
    border: 1px solid var(--line);
    background: rgba(11,18,32,.92);
    display:none;
    flex-direction:column;
    align-items:stretch;
  }
  .site-nav.open{ display:flex; }
  .site-nav a{ width:100%; }
  .cards{ grid-template-columns: 1fr; }
  .grid-2{ grid-template-columns: 1fr; }
}