:root{
      --bg-1:#050507;
      --bg-2:#000000;
      --panel:rgba(255,255,255,0.04);
      --panel-highlight:rgba(255,215,79,0.15);
      --muted:rgba(255,255,255,0.7);
      --accent:#ffd54f;
      --accent-2:#ffcc33;
      --radius:14px;
      --shadow: 0 10px 30px rgba(0,0,0,0.6);
      --glow: 0 0 20px rgba(255,213,79,0.3);
      --maxw:1100px;
      --gap:5px;
      font-family: Inter, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial;
    }

    *{box-sizing:border-box}
    html,body{height:100%;margin:0;padding:0}
    html{scroll-behavior:smooth;}
    body{
      background:linear-gradient(180deg,var(--bg-1),var(--bg-2));
      color:#fff;
      display:flex;
      flex-direction:column;
      min-height:100vh;
      font-family:inherit;
      -webkit-font-smoothing: antialiased;
      -moz-osx-font-smoothing: grayscale;
    }

    .wrap{flex:1;width:100%;max-width:var(--maxw);margin:0 auto;padding:20px}

    .site-header{
      position:sticky;
      top:0;
      z-index:100;
      padding:12px 20px;
      background:linear-gradient(180deg, rgba(5,5,7,0.98), rgba(0,0,0,0.95));
      backdrop-filter:blur(10px);
      -webkit-backdrop-filter:blur(10px);
      box-shadow:0 4px 12px rgba(0,0,0,0.4);
      animation:headerPop 0.5s ease-out;
    }
    .header-inner{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:var(--gap);
      flex-wrap:wrap;
      max-width:var(--maxw);
      margin:0 auto;
    }
    .brand-wrapper{
      display:flex;
      justify-content:flex-start;
    }
    .brand{display:flex;align-items:center;gap:12px;animation: shimmer 3s infinite linear;}
    .logo{
      width:56px;
      height:56px;
      border-radius:12px;
      background:linear-gradient(135deg,var(--accent),var(--accent-2));
      display:flex;
      align-items:center;
      justify-content:center;
      color:#111;
      font-weight:800;
      font-size:20px;
      box-shadow:0 8px 30px rgba(0,0,0,0.6);
      flex-shrink:0;
      animation: shimmer 4s infinite linear;
      cursor:pointer;
    }
    .brand-text h1{
      margin:0;
      font-size:18px;
      letter-spacing:0.2px;
      animation: shimmer 4s infinite linear;
    }
    .tagline{margin:0;color:var(--muted);font-size:13px}

    .actions{
      display:flex;
      gap:5px;
      align-items:center;
      flex-wrap:nowrap;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:6px;
      padding:10px 14px;
      border-radius:999px;
      font-weight:700;
      text-decoration:none;
      border:0;
      cursor:pointer;
      transition:0.3s;
      position:relative;
      overflow:hidden;
      min-height:44px;
      touch-action:manipulation;
      font-size:14px;
    }
    .btn-primary{background:var(--accent);color:#111;box-shadow:0 10px 30px rgba(255,213,79,0.12)}
    .btn-ghost{background:transparent;border:2px solid var(--accent);color:var(--muted)}
    .btn svg{
      width:16px;
      height:16px;
      vertical-align:middle;
    }
    .btn::after{
      content:'';
      position:absolute;
      top:0;
      left:-100%;
      width:100%;
      height:100%;
      background:linear-gradient(120deg, rgba(255,255,255,0.1), rgba(255,255,255,0.2), rgba(255,255,255,0.1));
      transform:skewX(-20deg);
      transition:0.5s;
    }
    .btn:hover::after{left:100%;}
    .hide-mobile { display:inline-flex; }

    main{padding:18px 0;flex:1;display:flex;flex-direction:column;align-items:center}
    .hero{display:flex;flex-direction:column;align-items:center;width:100%;gap:20px}
    .slogan-panel{
      background:linear-gradient(180deg, rgba(255,213,79,0.1), rgba(5,5,7,0.9));
      border-radius:16px;
      border:1px solid rgba(255,213,79,0.2);
      box-shadow:0 10px 40px rgba(0,0,0,0.7), var(--glow);
      padding:24px;
      text-align:center;
      margin-bottom:20px;
      transition:transform 0.3s ease;
      animation: fadeIn 0.5s ease-out;
    }
    .slogan-panel:hover{
      transform:scale(1.02);
    }
    .slogan-panel h2{
      margin:0;
      font-size:28px;
      text-align:center;
      text-shadow:0 2px 4px rgba(0,0,0,0.5);
    }
    .slogan-panel p{
      margin-top:8px;
      color:var(--muted);
      text-align:center;
    }

    .panel{
      background:linear-gradient(180deg, rgba(255,213,79,0.1), rgba(5,5,7,0.9));
      border-radius:16px;
      box-shadow:0 10px 40px rgba(0,0,0,0.7), var(--glow);
      border:1px solid rgba(255,213,79,0.2);
      width:100%;
      max-width:900px;
      margin:24px 0;
      cursor:pointer;
    }
    .panel-header{
      display:flex;
      align-items:center;
      justify-content:center;
      gap:10px;
      padding:16px 24px;
      background:rgba(255,213,79,0.05);
      border-bottom:1px solid rgba(255,213,79,0.2);
      transition:background 0.3s ease;
    }
    .panel-header:hover{
      background:rgba(255,213,79,0.15);
    }
    .panel h3{
      font-size:26px;
      margin:0;
      text-align:center;
      font-weight:700;
      flex-grow:1;
    }
    .toggle-indicator{
      display:flex;
      align-items:center;
      justify-content:center;
      width:26px;
      height:26px;
      border-radius:50%;
      border:2px solid var(--accent);
      color:var(--muted);
      font-weight:600;
      font-size:16px;
      line-height:1;
      text-align:center;
      transition:transform 0.3s ease, background 0.3s ease;
    }
    .panel.open .toggle-indicator{
      transform:rotate(180deg);
    }
    .toggle-indicator:hover{
      background:rgba(255,213,79,0.2);
      transform:scale(1.1);
    }
    .panel.open .toggle-indicator:hover{
      transform:scale(1.1) rotate(180deg);
    }
    .panel-content{
      max-height:0;
      overflow:hidden;
      transition:max-height 0.5s ease-in-out, transform 0.3s ease;
      padding:0 24px;
    }
    .panel.open .panel-content{
      max-height:2000px;
      padding:24px;
      transform:scale(1.02);
    }
    .plans-panel{
      background:var(--panel);
      border-radius:12px;
      padding:20px;
      box-shadow:0 8px 20px rgba(0,0,0,0.5);
      border:1px solid rgba(255,255,255,0.03);
      width:100%;
      max-width:900px;
      margin:24px 0;
    }
    .plans-panel h3{
      font-size:30px;
      margin:0 0 16px;
      text-align:center;
      font-weight:700;
    }
    .plans{display:flex;flex-direction:column;gap:16px;margin-top:14px;align-items:center;}
    .plan{
      display:flex;
      flex-direction:column;
      align-items:center;
      padding:24px;
      border-radius:16px;
      background:linear-gradient(180deg, rgba(255,255,255,0.05), rgba(255,255,255,0.01));
      border:1px solid rgba(255,255,255,0.08);
      transition:transform 0.3s ease, box-shadow 0.3s ease;
      position:relative;
      overflow:hidden;
      width:100%;
      max-width:300px;
      box-shadow:0 8px 20px rgba(0,0,0,0.5);
      animation: slideIn 0.5s ease-out forwards;
      animation-delay: calc(var(--index) * 0.2s);
    }
    .plan:hover{
      transform:scale(1.05);
      box-shadow:0 12px 30px rgba(0,0,0,0.7), var(--glow);
    }
    .plan.highlight{background:var(--panel-highlight)}
    .plan.best{
      border:2px solid var(--accent);
      background:linear-gradient(90deg, rgba(255,213,79,0.15), rgba(255,213,79,0.05));
    }
    .plan.best .badge{
      position:absolute;
      top:-20px;
      left:50%;
      transform:translateX(-50%);
      background:var(--accent);
      color:#111;
      font-weight:700;
      padding:4px 12px;
      border-radius:12px;
      font-size:12px;
    }
    .plan.best .price{
      color:#fff;
    }
    .plan.best div[style*="font-size:13px"]{
      color:var(--muted);
    }
    .price{font-weight:800;font-size:20px;margin:10px 0}
    .plan .btn-primary{justify-content:center;align-items:center;width:100%;}
    .plan-features{font-size:14px;color:var(--muted);margin-top:10px;text-align:left}

    .faq{width:100%;max-width:900px;margin:24px 0;}
    .faq h3{
      font-size:30px;
      margin:0 0 16px;
      text-align:center;
      font-weight:700;
    }
    .faq details{background:var(--panel);border-radius:12px;padding:10px;margin-bottom:8px;cursor:pointer;}
    .faq summary{font-weight:700;}
    .faq{max-height:none;overflow:visible;} /* FAQ is not hidden by default */

    .how-to-connect{width:100%;max-width:900px;}
    .how-to-connect h3{font-size:26px;}
    .step{
      display:flex;
      align-items:flex-start;
      gap:16px;
      padding:16px;
      border-radius:12px;
      background:linear-gradient(180deg, rgba(255,255,255,0.05), rgba(255,255,255,0.01));
      margin-bottom:12px;
      transition:transform 0.3s ease, box-shadow 0.3s ease;
      border:1px solid rgba(255,255,255,0.08);
      position:relative;
      overflow:hidden;
    }
    .step:hover{transform:translateY(-4px);box-shadow:0 12px 24px rgba(0,0,0,0.6);}
    .step-number{
      width:32px;
      height:32px;
      border-radius:8px;
      background:var(--accent);
      color:#111;
      font-weight:700;
      display:flex;
      align-items:center;
      justify-content:center;
      font-size:16px;
      flex-shrink:0;
    }
    .step-content{flex:1;}
    .step-content h4{margin:0 0 8px;font-size:18px;font-weight:700;}
    .step-content p{margin:0;color:var(--muted);font-size:15px;}
    .step::after{
      content:'';
      position:absolute;
      top:0;
      left:-100%;
      width:100%;
      height:100%;
      background:linear-gradient(120deg, rgba(255,255,255,0.1), rgba(255,255,255,0.2), rgba(255,255,255,0.1));
      transform:skewX(-20deg);
      transition:0.5s;
    }
    .step:hover::after{left:100%;}

    .security{width:100%;max-width:900px;}
    .security h3{font-size:26px;}
    .security-content{
      padding:16px;
      border-radius:12px;
      background:linear-gradient(180deg, rgba(255,255,255,0.05), rgba(255,255,255,0.01));
      border:1px solid rgba(255,255,255,0.08);
      transition:transform 0.3s ease, box-shadow 0.3s ease;
      position:relative;
      overflow:hidden;
    }
    .security-content:hover{transform:translateY(-4px);box-shadow:0 12px 24px rgba(0,0,0,0.6);}
    .security-content p{margin:0 0 12px;color:var(--muted);font-size:15px;}
    .security-content ul{margin:0;padding-left:20px;color:var(--muted);font-size:15px;}
    .security-content ul li{margin-bottom:8px;}
    .security-content::after{
      content:'';
      position:absolute;
      top:0;
      left:-100%;
      width:100%;
      height:100%;
      background:linear-gradient(120deg, rgba(255,255,255,0.1), rgba(255,255,255,0.2), rgba(255,255,255,0.1));
      transform:skewX(-20deg);
      transition:0.5s;
    }
    .security-content:hover::after{left:100%;}

    footer{margin-top:auto;color:var(--muted);font-size:13px;display:flex;justify-content:space-between;align-items:center;gap:12px;padding-top:20px}

    @media(min-width:720px){
      body{padding:28px}
      .hero h2{font-size:36px}
      .plans{flex-direction:row;justify-content:space-around;}
      .plan{width:30%;max-width:300px;}
      .plan.highlight:nth-child(1), .plan.highlight:nth-child(3){width:30%;}
      .site-header{padding:12px 28px;}
      .plans-panel h3{font-size:34px;}
      .panel h3{font-size:28px;}
      .slogan-panel h2{font-size:36px;}
      .faq h3{font-size:34px;}
      .header-inner{flex-wrap:nowrap;}
    }

    @media(max-width:720px){
      .header-inner{
        flex-direction:column;
        align-items:center;
        gap:8px;
      }
      .brand-wrapper{
        display:flex;
        justify-content:center;
        width:100%;
      }
      .brand{justify-content:center;align-items:center;padding-bottom:4px;}
      .actions{
        width:100%;
        display:flex;
        flex-direction:row;
        gap:6px;
        justify-content:center;
        flex-wrap:nowrap;
        align-items:center;
      }
      .btn{
        padding:6px 10px;
        font-size:13px;
        min-height:40px;
      }
      .btn svg{
        width:14px;
        height:14px;
      }
      .btn-ghost#telegramBtn{
        border:2px solid var(--accent);
        padding:6px 10px;
        font-size:13px;
      }
      .logo{width:40px;height:40px;border-radius:10px;font-size:16px}
      .brand-text h1{font-size:16px;}
      .tagline{font-size:12px;}
      .hero h2{font-size:22px}
      .slogan-panel h2{font-size:22px;}
      .panel{padding:0}
      .panel-content{padding:0 16px 16px;}
      .panel.open .panel-content{padding:16px;}
      .plans-panel{padding:16px}
      .hide-mobile{display:none;}
      .btn-ghost.mobile-yellow{background:var(--accent);color:#111;border:2px solid var(--accent)}
      .how-to-connect h3{font-size:22px;}
      .step{flex-direction:column;align-items:center;text-align:center;}
      .step-number{margin-bottom:12px;}
      .security h3{font-size:22px;}
      .plans{justify-content:center;}
      .plan{width:100%;max-width:280px;}
      .site-header{padding:8px 12px;}
      .plans-panel h3{font-size:28px;}
      .faq h3{font-size:28px;}
      .toggle-indicator{font-size:13px;width:20px;height:20px;}
    }

    @media (max-width: 480px) {
      .wrap{padding:10px;}
      body{padding:10px;}
      .panel{padding:0;}
      .panel-content{padding:0 16px 16px;}
      .panel.open .panel-content{padding:16px;}
      .plans-panel{padding:16px;}
      .btn{
        padding:5px 8px;
        font-size:12px;
        min-height:36px;
      }
      .btn svg{
        width:14px;
        height:14px;
      }
      .site-header{padding:8px 10px;}
      .brand-text h1{font-size:14px;}
      .tagline{font-size:11px;}
      .logo{width:36px;height:36px;font-size:14px;}
      .btn-ghost#telegramBtn{font-size:12px;padding:5px 8px;}
      .plans-panel h3{font-size:24px;}
      .panel h3{font-size:20px;}
      .slogan-panel h2{font-size:20px;}
      .faq h3{font-size:22px;}
      .how-to-connect h3{font-size:20px;}
      .security h3{font-size:20px;}
      .step-content h4{font-size:16px;}
      .step-content p{font-size:14px;}
      .security-content p{font-size:14px;}
      .security-content ul{font-size:14px;}
      .toggle-indicator{font-size:12px;width:18px;height:18px;}
      .actions{gap:4px;}
    }

    @keyframes shimmer{
      0%{background-position:-500px 0}
      100%{background-position:500px 0}
    }

    @keyframes fadeIn{
      0%{opacity:0;transform:translateY(20px);}
      100%{opacity:1;transform:translateY(0);}
    }

    @keyframes headerPop{
      0%{transform:scale(0.98);opacity:0.8;}
      100%{transform:scale(1);opacity:1;}
    }

    @keyframes slideIn{
      0%{opacity:0;transform:translateY(20px);}
      100%{opacity:1;transform:translateY(0);}
    }