:root{
      --bg:#0F1115; --text:#F5F7FA; --muted:rgba(245,247,250,.72);
      --line:rgba(245,247,250,.12); --teal:#4FB6B8; --shadow:0 18px 40px rgba(0,0,0,.35);
      --max:1120px;
    }
    *{box-sizing:border-box;}
    body{
      margin:0; font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;
      background: radial-gradient(1200px 600px at 80% 10%, rgba(79,182,184,.12), transparent 55%),
                  radial-gradient(900px 500px at 10% 30%, rgba(79,182,184,.08), transparent 55%),
                  var(--bg);
      color:var(--text); line-height:1.5;
    }
    a{color:inherit;text-decoration:none;}
    .wrap{width:min(var(--max), calc(100% - 44px)); margin:0 auto;}
    .logo-img{height:40px;width:auto;display:block;}

    header{
      position:sticky; top:0; z-index:10;
      backdrop-filter:blur(12px);
      background:rgba(15,17,21,.62);
      border-bottom:1px solid var(--line);
    }
    .nav{display:flex;align-items:center;justify-content:space-between;padding:14px 0;gap:16px;}
    nav ul{list-style:none;margin:0;padding:0;display:flex;align-items:center;gap:20px;color:var(--muted);font-weight:500;font-size:14px;}
    nav a:hover{color:var(--text);}

    .btn{
      display:inline-flex;align-items:center;justify-content:center;
      padding:12px 16px;border-radius:12px;
      border:1px solid rgba(79,182,184,.35);
      background:linear-gradient(180deg, rgba(79,182,184,.22), rgba(79,182,184,.10));
      color:var(--text); font-weight:600;
      box-shadow:0 10px 30px rgba(79,182,184,.12);
      transition:transform .15s ease, box-shadow .15s ease, border-color .15s ease;
    }
    .btn:hover{transform:translateY(-1px);border-color:rgba(79,182,184,.55);box-shadow:0 16px 40px rgba(79,182,184,.16);}
    .btn.ghost{background:transparent;border-color:var(--line);box-shadow:none;}

    .hero{padding:54px 0 18px;}
    .heroBox{
      border-radius:22px;
      background:
        radial-gradient(600px 300px at 75% 40%, rgba(79,182,184,.18), transparent 60%),
        linear-gradient(180deg, rgba(255,255,255,.03), rgba(255,255,255,.01)),
        rgba(20,24,36,.55);
      border:1px solid var(--line);
      box-shadow:var(--shadow);
      padding:38px;
    }
    h1{margin:0 0 10px; font-size:clamp(28px, 4vw, 44px); letter-spacing:-0.02em;}
    .lead{margin:0; color:var(--muted); max-width:80ch; font-size:15px;}

    .section{padding:28px 0 44px;}
    .grid{display:grid; grid-template-columns:repeat(3, 1fr); gap:14px;}
    .card{
      background: linear-gradient(180deg, rgba(255,255,255,.03), rgba(255,255,255,.015));
      border:1px solid var(--line);
      border-radius:16px;
      padding:18px;
      min-height:150px;
    }
    .card h3{margin:0 0 8px;font-size:16px;}
    .card p{margin:0;color:var(--muted);font-size:13px;}

    .block{
      margin-top:14px;
      padding:18px;
      border-radius:16px;
      border:1px solid var(--line);
      background: rgba(20,24,36,.45);
    }
    .block h2{margin:0 0 8px;font-size:20px;}
    .block p{margin:0;color:var(--muted);}
    .list{margin:10px 0 0; padding-left:18px; color:var(--muted); font-size:13px;}
    .list li{margin:7px 0;}

    footer{border-top:1px solid var(--line);padding:26px 0 40px;color:var(--muted);}
    .footerGrid{display:grid;grid-template-columns:1.2fr .8fr .8fr .8fr;gap:16px;}
    .footerGrid h4{margin:0 0 10px;color:var(--text);font-size:14px;}
    .footerGrid a{color:var(--muted);display:block;margin:6px 0;font-size:13px;}
    .footerGrid a:hover{color:var(--text);}

    @media (max-width:920px){
      .grid{grid-template-columns:1fr;}
      nav ul{display:none;}
      .footerGrid{grid-template-columns:1fr 1fr;}
    }
/* Hamburger */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.menu-toggle span {
  display: block;
  width: 26px;
  height: 2px;
  margin: 6px 0;
  background: var(--text);
  transition: all 0.3s ease;
}

/* Mobilmeny */
@media (max-width: 920px) {
  nav ul {
    position: absolute;
    top: 70px;
    right: 20px;
    background: rgba(15,17,21,.98);
    border: 1px solid var(--line);
    border-radius: 14px;
    padding: 16px;
    display: none;
    flex-direction: column;
    gap: 14px;
    box-shadow: var(--shadow);
  }

  nav ul.open {
    display: flex;
  }

  .menu-toggle {
    display: block;
  }
}