:root{
    --bg:#0b0f17;
    --panel:#101827;
    --panel2:#0f1624;
    --text:#e9eef8;
    --muted:#b7c2d6;
    --line:rgba(255,255,255,.10);
    --accent:#7cf6ff;
    --accent2:#7a5cff;
    --shadow: 0 16px 48px rgba(0,0,0,.35);
    --radius:18px;
    --radius2:26px;
    --max: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(900px 600px at 12% 8%, rgba(124,246,255,.16), transparent 55%),
      radial-gradient(900px 600px at 86% 14%, rgba(122,92,255,.18), transparent 55%),
      radial-gradient(700px 500px at 50% 90%, rgba(124,246,255,.10), transparent 60%),
      var(--bg);
    color:var(--text);
    line-height:1.6;
  }
  
  a{color:inherit; text-decoration:none}
  img{max-width:100%; display:block}
  
  .container{
    width:min(var(--max), calc(100% - 40px));
    margin:0 auto;
  }
  
  .skip-link{
    position:absolute; left:-9999px; top:auto;
    width:1px; height:1px; overflow:hidden;
  }
  .skip-link:focus{
    left:16px; top:16px; width:auto; height:auto;
    padding:10px 14px;
    background:var(--panel);
    border:1px solid var(--line);
    border-radius:12px;
    z-index:999999;
  }
  
  /* Header */
  .site-header{
    position:sticky;
    top:0;
    z-index:1000;
    backdrop-filter: blur(14px);
    background: rgba(11,15,23,.70);
    border-bottom:1px solid var(--line);
  }
  
  .header-inner{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:16px;
    padding:14px 0;
  }
  
  .brand{
    display:flex;
    align-items:center;
    gap:12px;
    min-width:220px;
  }
  
  .brand-badge{
    width:38px; height:38px;
    border-radius:14px;
    background:
      radial-gradient(20px 20px at 30% 30%, rgba(124,246,255,.9), rgba(124,246,255,0)),
      radial-gradient(22px 22px at 70% 70%, rgba(122,92,255,.9), rgba(122,92,255,0)),
      linear-gradient(135deg, rgba(124,246,255,.18), rgba(122,92,255,.18));
    border:1px solid rgba(255,255,255,.12);
    box-shadow: 0 10px 24px rgba(0,0,0,.25);
  }
  
  .brand-title{
    display:flex;
    flex-direction:column;
    line-height:1.1;
  }
  .brand-title strong{font-size:14px; letter-spacing:.3px}
  .brand-title span{font-size:12px; color:var(--muted)}
  
  .nav{
    display:flex;
    align-items:center;
    gap:14px;
  }
  
  .nav a{
    font-size:13px;
    color:var(--muted);
    padding:10px 10px;
    border-radius:12px;
    position:relative;
    transition: color .2s ease, background .2s ease;
  }
  .nav a:hover{
    color:var(--text);
    background: rgba(255,255,255,.04);
  }
  .nav a::after{
    content:"";
    position:absolute;
    left:10px; right:10px; bottom:6px;
    height:1px;
    background: linear-gradient(90deg, transparent, rgba(124,246,255,.7), rgba(122,92,255,.7), transparent);
    transform: scaleX(0);
    transform-origin:center;
    transition: transform .22s ease;
  }
  .nav a:hover::after{ transform: scaleX(1); }
  
  .nav a.active{
    color:var(--text);
    background: rgba(255,255,255,.06);
    border:1px solid rgba(255,255,255,.10);
  }
  .nav a.active::after{ transform: scaleX(1); }
  
  /* Burger */
  .burger{
    display:none;
    width:44px; height:44px;
    border-radius:14px;
    border:1px solid rgba(255,255,255,.12);
    background: rgba(255,255,255,.04);
    color:var(--text);
    cursor:pointer;
  }
  .burger:active{ transform: translateY(1px); }
  .burger-lines{
    width:18px; height:12px;
    margin:0 auto;
    display:flex;
    flex-direction:column;
    justify-content:space-between;
  }
  .burger-lines span{
    display:block;
    height:2px;
    border-radius:2px;
    background: rgba(233,238,248,.88);
  }
  
  /* Mobile nav panel */
  .mobile-panel{
    display:none;
    border-top:1px solid var(--line);
    background: rgba(11,15,23,.82);
  }
  .mobile-panel.open{ display:block; }
  .mobile-panel .container{ padding:10px 0 14px; }
  .mobile-panel a{
    display:block;
    padding:12px 10px;
    color:var(--muted);
    border-radius:14px;
  }
  .mobile-panel a:hover{
    background: rgba(255,255,255,.05);
    color:var(--text);
  }
  
  /* Hero */
  .hero{
    padding:48px 0 18px;
  }
  .hero-grid{
    display:grid;
    grid-template-columns: 1.25fr .75fr;
    gap:26px;
    align-items:stretch;
  }
  .hero-card{
    background: linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.02));
    border:1px solid rgba(255,255,255,.10);
    border-radius: var(--radius2);
    box-shadow: var(--shadow);
    overflow:hidden;
    position:relative;
  }
  .hero-card::before{
    content:"";
    position:absolute; inset:-1px;
    background: radial-gradient(700px 260px at 12% 0%, rgba(124,246,255,.18), transparent 60%),
                radial-gradient(700px 260px at 90% 0%, rgba(122,92,255,.18), transparent 60%);
    pointer-events:none;
  }
  
  .hero-content{
    position:relative;
    padding:30px 28px 26px;
  }
  .kicker{
    display:inline-flex;
    gap:8px;
    align-items:center;
    padding:7px 12px;
    border-radius:999px;
    border:1px solid rgba(255,255,255,.12);
    background: rgba(255,255,255,.04);
    color:var(--muted);
    font-size:12px;
  }
  .kicker-dot{
    width:8px; height:8px; border-radius:50%;
    background: linear-gradient(135deg, var(--accent), var(--accent2));
    box-shadow: 0 0 0 6px rgba(124,246,255,.10);
  }
  
  h1{
    margin:14px 0 10px;
    font-size:40px;
    line-height:1.1;
    letter-spacing:-.6px;
  }
  h2{
    margin:0 0 16px;
    font-size:18px;
    color:var(--muted);
    font-weight:600;
  }
  
  .hero-actions{
    display:flex;
    gap:12px;
    flex-wrap:wrap;
    margin-top:18px;
  }
  
  .btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:10px;
    padding:12px 16px;
    border-radius:14px;
    border:1px solid rgba(255,255,255,.12);
    background: rgba(255,255,255,.05);
    color:var(--text);
    font-weight:700;
    font-size:13px;
    cursor:pointer;
    transition: transform .15s ease, background .2s ease, border-color .2s ease;
  }
  .btn:hover{
    background: rgba(255,255,255,.08);
    border-color: rgba(255,255,255,.18);
  }
  .btn:active{ transform: translateY(1px); }
  
  .btn.primary{
    background: linear-gradient(135deg, rgba(124,246,255,.20), rgba(122,92,255,.22));
    border-color: rgba(255,255,255,.18);
  }
  .btn.primary:hover{
    background: linear-gradient(135deg, rgba(124,246,255,.26), rgba(122,92,255,.28));
  }
  
  .hero-side{
    display:flex;
    flex-direction:column;
    gap:14px;
  }
  .side-card{
    background: rgba(255,255,255,.03);
    border:1px solid rgba(255,255,255,.10);
    border-radius: var(--radius2);
    padding:18px 18px;
    box-shadow: 0 12px 28px rgba(0,0,0,.25);
  }
  .side-title{
    font-size:12px;
    color:var(--muted);
    text-transform:uppercase;
    letter-spacing:.12em;
    margin:0 0 10px;
  }
  .side-list{
    display:grid;
    gap:10px;
  }
  .side-item{
    display:flex;
    gap:10px;
    align-items:flex-start;
    color:var(--text);
    font-size:13px;
  }
  .pill{
    flex:0 0 auto;
    font-size:12px;
    padding:6px 10px;
    border-radius:999px;
    border:1px solid rgba(255,255,255,.12);
    background: rgba(255,255,255,.04);
    color:var(--muted);
  }
  
  /* Sections */
  .section{
    padding:26px 0;
  }
  .grid-2{
    display:grid;
    grid-template-columns: 1fr 1fr;
    gap:22px;
    align-items:start;
  }
  .card{
    background: rgba(255,255,255,.03);
    border:1px solid rgba(255,255,255,.10);
    border-radius: var(--radius2);
    box-shadow: 0 12px 30px rgba(0,0,0,.25);
    overflow:hidden;
  }
  .card-inner{
    padding:22px 22px;
  }
  .card h3{
    margin:0 0 10px;
    font-size:18px;
    letter-spacing:-.2px;
  }
  .card p{
    margin:0;
    color:var(--muted);
  }
  
  .figure{
    position:relative;
    border-radius: var(--radius2);
    overflow:hidden;
    border:1px solid rgba(255,255,255,.10);
    background: linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.02));
  }
  .figure img{
    width:100%;
    height:320px;
    object-fit:cover;
    opacity:.95;
  }
  .figure .caption{
    position:absolute;
    left:14px; right:14px; bottom:14px;
    padding:10px 12px;
    border-radius:14px;
    background: rgba(11,15,23,.60);
    border:1px solid rgba(255,255,255,.10);
    color:var(--muted);
    font-size:12px;
  }
  
  /* Page header */
  .page-top{
    padding:28px 0 10px;
  }
  .page-title{
    margin:0;
    font-size:30px;
    letter-spacing:-.4px;
  }
  .page-sub{
    margin:8px 0 0;
    color:var(--muted);
  }
  
  /* Lists / blocks */
  .feature-list{
    display:grid;
    gap:12px;
    margin-top:14px;
  }
  .feature{
    display:flex;
    gap:12px;
    padding:14px 14px;
    border-radius:16px;
    border:1px solid rgba(255,255,255,.10);
    background: rgba(255,255,255,.03);
  }
  .feature b{display:block; font-size:13px; margin-bottom:3px}
  .feature span{color:var(--muted); font-size:13px}
  .icon{
    width:34px; height:34px;
    border-radius:14px;
    background: linear-gradient(135deg, rgba(124,246,255,.18), rgba(122,92,255,.18));
    border:1px solid rgba(255,255,255,.12);
    flex:0 0 auto;
  }
  
  /* Form */
  .form{
    display:grid;
    gap:12px;
    margin-top:12px;
  }
  .field{
    display:grid;
    gap:6px;
  }
  label{
    font-size:12px;
    color:var(--muted);
  }
  input, textarea{
    width:100%;
    padding:12px 12px;
    border-radius:14px;
    border:1px solid rgba(255,255,255,.12);
    background: rgba(255,255,255,.03);
    color:var(--text);
    outline:none;
  }
  textarea{ min-height:130px; resize:vertical; }
  input:focus, textarea:focus{
    border-color: rgba(124,246,255,.45);
    box-shadow: 0 0 0 6px rgba(124,246,255,.10);
  }
  
  .notice{
    display:none;
    margin-top:12px;
    padding:12px 14px;
    border-radius:16px;
    border:1px solid rgba(124,246,255,.25);
    background: rgba(124,246,255,.08);
    color: var(--text);
  }
  .notice.show{ display:block; }
  
  /* Footer */
  .site-footer{
    margin-top:34px;
    border-top:1px solid var(--line);
    background: rgba(11,15,23,.55);
  }
  .footer-inner{
    padding:18px 0;
    display:flex;
    flex-wrap:wrap;
    align-items:center;
    justify-content:space-between;
    gap:10px;
  }
  .footer-links{
    display:flex;
    gap:14px;
    flex-wrap:wrap;
  }
  .footer-links a{
    color:var(--muted);
    font-size:12px;
    padding:6px 8px;
    border-radius:12px;
  }
  .footer-links a:hover{
    color:var(--text);
    background: rgba(255,255,255,.04);
  }
  .copy{
    color:var(--muted);
    font-size:12px;
  }
  
  /* Responsive */
  @media (max-width: 980px){
    .hero-grid{ grid-template-columns: 1fr; }
    h1{ font-size:34px; }
    .grid-2{ grid-template-columns: 1fr; }
    .figure img{ height:280px; }
  }
  
  @media (max-width: 840px){
    .nav{ display:none; }
    .burger{ display:inline-flex; align-items:center; justify-content:center; }
    .brand{ min-width:auto; }
  }
  
  @media (max-width: 520px){
    .container{ width: min(var(--max), calc(100% - 28px)); }
    h1{ font-size:30px; }
    .hero-content{ padding:24px 18px 20px; }
    .card-inner{ padding:18px; }
  }