:root{
  --bg:#f7f9fc;
  --panel:rgba(255,255,255,.82);
  --panelStrong:#ffffff;
  --alt:#eef3fb;
  --text:#0b1220;
  --muted:#46536a;
  --line:rgba(11,18,32,.10);
  --shadow: 0 18px 60px rgba(11,18,32,.12);
  --radius:18px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Noto Sans", "Helvetica Neue", sans-serif;
  color:var(--text);
  background:
    radial-gradient(1200px 700px at 20% 0%, rgba(80,120,255,.12), transparent 55%),
    radial-gradient(900px 600px at 85% 15%, rgba(255,120,80,.10), transparent 55%),
    var(--bg);
}
.container{width:min(1120px, 92vw); margin:0 auto;}

.topbar{
  position:sticky; top:0; z-index:50;
  background: rgba(247,249,252,.78);
  border-bottom:1px solid var(--line);
  backdrop-filter: blur(10px);
}
.nav{display:flex; align-items:center; justify-content:space-between; padding:14px 0; gap:18px;}
.brand{display:flex; align-items:center; gap:12px; text-decoration:none; color:inherit;}
.brand-logo{
  height:56px; width:auto; display:block;
  background: var(--panelStrong);
  padding:6px 10px;
  border-radius:16px;
  border:1px solid var(--line);
  box-shadow: 0 10px 26px rgba(11,18,32,.10);
}

.menu{display:flex; align-items:center; gap:16px;}
.menu a{color:var(--muted); text-decoration:none; font-weight:700; font-size:14px; padding:10px 10px; border-radius:12px;}
.menu a:hover{color:var(--text); background:rgba(11,18,32,.04)}

.btn{
  display:inline-flex; align-items:center; justify-content:center;
  padding:10px 14px; border-radius:14px;
  background: linear-gradient(90deg, rgba(65,140,255,1), rgba(155,80,255,1), rgba(255,120,70,1));
  color:#07101e; text-decoration:none; font-weight:900;
  border:1px solid rgba(11,18,32,.10);
  box-shadow: 0 10px 30px rgba(11,18,32,.12);
}
.btn:hover{transform: translateY(-1px)}
.btn:active{transform: translateY(0)}
.btn.ghost{background:transparent; color:var(--text); border:1px solid var(--line); box-shadow:none}

.burger{
  display:none; width:46px; height:42px;
  border:1px solid var(--line); border-radius:14px;
  background:rgba(255,255,255,.6);
}
.burger span{display:block; height:2px; width:22px; margin:6px auto; background:var(--text); opacity:.9}

.hero{position:relative; overflow:hidden; padding:66px 0 28px;}
.hero-grid{display:grid; grid-template-columns: 1.25fr .9fr; gap:26px; align-items:start;}
.hero h1{margin:0 0 10px; font-size:44px; letter-spacing:.6px;}
.tagline{margin:0 0 16px; font-weight:900; letter-spacing:3px; color:transparent; background:linear-gradient(90deg, rgba(65,140,255,1), rgba(155,80,255,1), rgba(255,120,70,1)); -webkit-background-clip:text; background-clip:text;}
.lead{margin:0 0 18px; color:var(--muted); font-size:16px; line-height:1.6}
.cta{display:flex; gap:12px; flex-wrap:wrap; margin:14px 0 14px;}
.trust{display:flex; gap:14px; flex-wrap:wrap; color:rgba(11,18,32,.70); font-weight:800; font-size:13px;}

.hero-card{
  background: var(--panel);
  border:1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding:18px 18px;
}
.hero-card h2{margin:0 0 10px; font-size:18px;}
.hero-card ul{margin:0; padding-left:18px; color:var(--muted); line-height:1.7}

.hero-bg{
  position:absolute; inset:-200px -200px auto auto;
  width:520px; height:520px; border-radius:50%;
  background: radial-gradient(circle at 30% 30%, rgba(65,140,255,.22), transparent 55%),
              radial-gradient(circle at 70% 70%, rgba(255,120,70,.18), transparent 55%),
              radial-gradient(circle at 40% 80%, rgba(155,80,255,.16), transparent 55%);
  filter: blur(2px);
  opacity:.95;
}

.section{padding:56px 0;}
.section.alt{background: linear-gradient(180deg, rgba(255,255,255,.70), rgba(255,255,255,.45)); border-top:1px solid var(--line); border-bottom:1px solid var(--line);}
.section-title{margin:0 0 10px; font-size:28px;}
.section-sub{margin:0 0 22px; color:var(--muted); line-height:1.6}

.cards{display:grid; grid-template-columns: repeat(3, 1fr); gap:16px;}
.card{
  background: rgba(255,255,255,.68);
  border:1px solid var(--line);
  border-radius: var(--radius);
  padding:18px;
}
.card h3{margin:0 0 10px;}
.card p{margin:0 0 10px; color:var(--muted); line-height:1.6}
.link{color:rgba(11,18,32,.92); font-weight:900; text-decoration:none}
.link:hover{text-decoration:underline}

.pill-grid{display:flex; flex-wrap:wrap; gap:10px; margin:10px 0 24px;}
.pill{padding:9px 12px; border-radius:999px; border:1px solid var(--line); background:rgba(11,18,32,.03); color:rgba(11,18,32,.86); font-weight:800; font-size:13px;}

.two-cols{display:grid; grid-template-columns: 1fr 1fr; gap:18px;}
.check{margin:10px 0 0; padding-left:18px; color:var(--muted); line-height:1.7}

.banner{
  margin-top:22px;
  display:flex; align-items:center; justify-content:space-between; gap:12px; flex-wrap:wrap;
  background: rgba(255,255,255,.75);
  border:1px solid var(--line);
  border-radius: var(--radius);
  padding:16px;
}
.banner p{margin:0; color:var(--muted); line-height:1.6}

.usecases{display:grid; grid-template-columns: repeat(3, 1fr); gap:14px;}
.usecase{border:1px solid var(--line); background:rgba(255,255,255,.66); border-radius: var(--radius); padding:16px;}
.usecase h3{margin:0 0 8px; font-size:16px;}
.usecase p{margin:0; color:var(--muted); line-height:1.6}

.contact-grid{display:grid; grid-template-columns: 1.1fr .9fr; gap:16px; align-items:start;}
.form{background:rgba(255,255,255,.78); border:1px solid var(--line); border-radius: var(--radius); padding:18px;}
label{display:block; font-weight:900; font-size:13px; color:rgba(11,18,32,.90); margin-bottom:12px;}
input, textarea{
  width:100%;
  margin-top:8px;
  padding:12px 12px;
  border-radius:14px;
  border:1px solid rgba(11,18,32,.14);
  background: rgba(255,255,255,.92);
  color:var(--text);
  outline:none;
}
input:focus, textarea:focus{border-color: rgba(155,80,255,.55)}

.contact-card{background:rgba(255,255,255,.78); border:1px solid var(--line); border-radius: var(--radius); padding:18px;}
.contact-card a{color:rgba(11,18,32,.92)}

.footer{padding:26px 0; border-top:1px solid var(--line); background: rgba(11,18,32,.03)}
.footer-grid{display:grid; grid-template-columns: 1fr 1fr 1fr; gap:12px; align-items:center;}
.footer-logo{height:44px; width:auto; background: var(--panelStrong); padding:6px 10px; border-radius:14px; border:1px solid var(--line);}
.footer-links{display:flex; gap:10px; flex-wrap:wrap; justify-content:center;}
.footer-links a{color:var(--muted); text-decoration:none; font-weight:800; font-size:13px; padding:8px 10px; border-radius:12px;}
.footer-links a:hover{color:var(--text); background:rgba(11,18,32,.04)}

.mini{margin:10px 0 0; color:rgba(11,18,32,.64); font-size:12px; line-height:1.5}

@media (max-width: 920px){
  .hero-grid{grid-template-columns:1fr;}
  .cards{grid-template-columns:1fr;}
  .usecases{grid-template-columns:1fr;}
  .two-cols{grid-template-columns:1fr;}
  .contact-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr; text-align:center;}
  .footer-links{justify-content:center;}

  .burger{display:block;}
  .menu{
    position:absolute; left:4vw; right:4vw; top:74px;
    display:none; flex-direction:column; align-items:stretch;
    background: rgba(255,255,255,.92);
    border:1px solid var(--line);
    border-radius: 18px;
    padding:10px;
    box-shadow: var(--shadow);
  }
  .menu.open{display:flex;}
  .menu a{padding:12px 12px;}
}