:root{
  --bg:#fafafa; --card:#fff; --text:#0a0a0a; --muted:#6b7280; --line:#e5e7eb; --brand:#0a0a0a;
}
*{box-sizing:border-box}
.symbia{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Ubuntu,"Helvetica Neue",Arial,"Noto Sans",sans-serif;color:var(--text)}
.symbia a{color:inherit;text-decoration:none}
.symbia .container{max-width:1100px;margin:0 auto;padding:0 16px}
.symbia .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 16px;border-radius:20px;border:1px solid var(--line);background:var(--text);color:#fff;font-weight:600;cursor:pointer}
.symbia .btn.outline{background:#fff;color:var(--text)}
.symbia .badge{display:inline-flex;align-items:center;gap:8px;padding:6px 10px;border-radius:999px;font-size:12px;background:var(--brand);color:#fff}
.symbia .badge.ghost{background:#fff;border:1px solid var(--line);color:#111;box-shadow:0 2px 6px rgba(0,0,0,.06)}
.symbia header{position:sticky;top:0;z-index:10;backdrop-filter:saturate(180%) blur(8px);background:rgba(255,255,255,.8);border-bottom:1px solid var(--line)}
.symbia nav a{font-size:14px}
.symbia nav a:hover{opacity:.75}
.symbia section{scroll-margin-top:72px}
.symbia .hero{padding:64px 0}
.symbia h1{font-size:40px;line-height:1.1;margin:12px 0}
.symbia .lead{font-size:18px;color:var(--muted)}
.symbia .row{display:grid;grid-template-columns:1fr;gap:24px}
.symbia .card{background:var(--card);border:1px solid var(--line);border-radius:20px;box-shadow:0 4px 10px rgba(0,0,0,.03)}
.symbia .card .content{padding:16px}
.symbia .chat{background:#0a0a0a;color:#fff;border-radius:16px;padding:16px;font-size:14px}
.symbia .bubble{max-width:85%;border-radius:14px;padding:10px 12px;margin:8px 0}
.symbia .bubble.left{background:#fff;color:#111}
.symbia .bubble.right{background:#1f2937;color:#fff;margin-left:auto}
.symbia .muted{color:var(--muted)}
.symbia .grid-3{display:grid;grid-template-columns:1fr;gap:16px}
.symbia .grid-4{display:grid;grid-template-columns:1fr;gap:16px}
.symbia .grid-5{display:grid;grid-template-columns:1fr;gap:16px}
.symbia .list{list-style:none;padding:0;margin:0}
.symbia .list li{display:flex;align-items:center;gap:8px;padding:4px 0}
.symbia .pill{border:1px solid var(--line);border-radius:14px;padding:12px;text-align:center;background:#fff}
.symbia .section{padding:64px 0}
.symbia .section.alt{background:#f6f7f9;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.symbia .title{font-size:28px;font-weight:700}
.symbia .subtitle{color:var(--muted)}
.symbia .pricing .price{font-size:32px;font-weight:700}
.symbia .contact .field{width:100%;padding:12px 14px;border-radius:12px;border:1px solid var(--line);background:#fff}
.symbia .video-wrap{position:relative;border-radius:16px;overflow:hidden;border:1px solid var(--line);background:#000}
.symbia .video-wrap::before{content:"";display:block;padding-top:56.25%} /* 16:9 */
.symbia .video-wrap iframe{position:absolute;top:0;left:0;width:100%;height:100%;border:0}
.symbia footer{border-top:1px solid var(--line);background:#fff;padding:24px 0;font-size:14px;color:#6b7280}
@media (min-width:768px){
  .symbia .row{grid-template-columns:1fr 1fr;align-items:center}
  .symbia .grid-3{grid-template-columns:repeat(3,1fr)}
  .symbia .grid-4{grid-template-columns:repeat(4,1fr)}
  .symbia .grid-5{grid-template-columns:repeat(5,1fr)}
  .symbia h1{font-size:48px}
}