/* Global */
:root{
    --bg:#000;
    --card:#0b0b0f;
    --muted:#bfbfc4;
    --accent:#ffd34d;
    --primary:#00d4ff;
    --text:#fff;
    --glass: rgba(255,255,255,0.06);
  }
  
  *{ box-sizing:border-box; }
  html,body{ height:100%; }
  body{
    margin:0;
    font-family: "Bitcount Grid Single Ink", system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
  }
  
  /* Layout */
  .container{
    width: min(1100px, 92vw);
    margin: 0 auto;
    padding: 32px 0 64px;
  }
  
  /* Header */
  .site-header{
    position: sticky;
    top:0;
    backdrop-filter: blur(8px);
    background: linear-gradient(to bottom, rgba(0,0,0,.65), transparent);
    z-index: 10;
    display:flex; align-items:center; justify-content:space-between;
    padding: 14px 4vw;
    border-bottom: 1px solid var(--glass);
  }
  .brand{ display:flex; align-items:center; gap:10px; }
  .brand .title{ font-weight:800; letter-spacing:.5px; font-size:20px; }
  .brand .coin{ width:28px; height:28px; }
  
  .site-header nav a{
    color: var(--muted);
    text-decoration:none;
    margin-left: 18px;
    font-weight:600;
  }
  .site-header nav a:hover{ color: var(--text); }
  
  /* Hero */
  .hero{
    display:grid;
    grid-template-columns: 1.2fr .8fr;
    gap: 24px;
    align-items:center;
    padding: 56px 0;
  }
  .hero h1{ font-size: clamp(28px, 3.4vw, 46px); margin:0 0 10px; }
  .hero p{ color: var(--muted); margin:0 0 22px; }
  .hero .cta{ display:flex; gap:12px; }
  .hero-art{
    justify-self:end;
    padding: 10px;
    border-radius: 18px;
    background: radial-gradient(60% 60% at 40% 40%, rgba(255,211,77,.08), rgba(255,211,77,0) 70%);
    outline: 1px solid var(--glass);
  }
  #heroCanvas{ display:block; width:360px; height:220px; background: #070707; border-radius: 12px; outline: 1px solid var(--glass); }
  
  /* Cards */
  .card{
    background: linear-gradient(180deg, rgba(255,255,255,0.04), rgba(255,255,255,0.02));
    border: 1px solid var(--glass);
    border-radius: 16px;
    padding: 22px 20px;
    margin: 24px 0;
  }
  .grid.two{
    display:grid; grid-template-columns: 1fr 1fr; gap: 14px;
  }
  .algo-list li{ margin: 6px 0; }
  
  /* Buttons */
  .btn{
    appearance: none;
    border: 1px solid var(--glass);
    background: #111418;
    color: var(--text);
    padding: 10px 16px;
    border-radius: 12px;
    cursor: pointer;
    font-weight: 800;
    text-decoration: none;
  }
  .btn:hover{ transform: translateY(-1px); }
  .btn-primary{
    background: linear-gradient(180deg, #1e90ff, #1570c6);
    border-color: transparent;
  }
  .btn-ghost{ background: transparent; }
  
  
  /* Footer */
  .site-footer{ padding: 40px 4vw 60px; color: var(--muted); text-align:center; }
  
  /* Play page */
  .play-header{
    display:flex; align-items:center; gap:12px; padding: 16px 4vw;
    border-bottom: 1px solid var(--glass);
  }
  .play-header h1{ margin:0; font-size: 20px; letter-spacing:.5px; }
  
  .game-wrap{
    margin: 20px auto;
    width: 1280px; height: 768px;
    position: relative;
    border-radius: 16px;
    outline: 1px solid var(--glass);
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0,0,0,.35);
  }
  canvas{ display:block; width:100%; height:100%; background:#000; }
  
  .hud{
    position:absolute; top:10px; right:12px; z-index: 5;
    display:flex; gap: 12px; align-items:center;
    padding: 8px 10px;
    background: linear-gradient(to left bottom, rgba(0,0,0,0.85), rgba(0,0,0,0.0));
    border-radius: 12px;
  }
  .hud-item{ display:flex; align-items:center; gap:8px; font-weight:900; font-size: 20px; -webkit-text-stroke: .5px #000; }
  .hud .coin{ width:26px; height:26px; }
  .hud .heart{ width:28px; height:28px; fill:#ff3b3b; }
  
  .overlay{
    position:absolute; inset:0; z-index:10;
    background: rgba(0,0,0,.45);
    display:grid; place-items:center;
  }
  .overlay-card{
    background: #0b0f15;
    border: 1px solid var(--glass);
    border-radius: 16px;
    padding: 24px;
    text-align:center;
    box-shadow: 0 10px 30px rgba(0,0,0,.35);
  }
  .overlay-card h2{ margin:0 0 12px; font-size: 36px; }
  .overlay-card .actions{ display:flex; gap:10px; justify-content:center; }
/* Өөрийн өгсөн загварыг хадгална */
.logo-canvas-wrapper{
  display:flex;
  align-items:center;
  justify-content:center;   /* << төвд байрлуулна */
  width:600px;
  height:100px;
  overflow:hidden;
  margin-inline:auto;       /* << эцэг дотороо төвд (хэвтээ) */
  max-width:100%;           /* << жижиг дэлгэц дээр бутрахгүй */
}