/* ----- Base / Theme ----- */
    :root {
      --bg: #0b1220;         
      --card: #121a2a;        
      --muted: #93a4bf;   
      --text: #e6edf6;      
      --accent: #7aa2ff;      
      --border: #1e293b;      
      --focus: #94a3b8;   
      --success: #30d158;     
   }

    @media (prefers-color-scheme: light) {
      :root {
        --bg: #f8fafc;
        --card: #ffffff;
        --muted: #475569;
        --text: #0f172a;
        --accent: #1d4ed8;
        --border: #e2e8f0;
        --focus: #1e40af;
      }
    }

    * { 
        box-sizing: border-box;
     }
    html, body {
        height: 100%; 
        }
    body {
      margin: 0;
      background: radial-gradient(rgba(122, 162, 255, 0.123), transparent 60%),
                  var(--bg);
      color: var(--text);
      font-family: system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, Noto Sans, Arial, "Apple Color Emoji", "Segoe UI Emoji";
      line-height: 1.6;
      /* background: color-mix(in oklab, var(--card) 94%, transparent); */
    }

    a { 
        color: var(--accent);
        text-decoration: none;
        font-size: 15px !important;
     }
    a:hover {
         text-decoration: underline; 
        }

    .container {
         width: min(100% - 2rem, 900px); 
         margin-inline: auto;
         }

    /* ----- Skip link for a11y ----- */
    .skip { 
        position: absolute;
        left: -999px;
        top: auto; 
        width: 1px; 
        height: 1px; 
        overflow: hidden; 
    }
    .skip:focus { 
        position: static; 
        width: auto; 
        height: auto; 
        padding: .5rem .75rem; 
        background: var(--card); 
        border: 1px solid var(--border); 
        border-radius: .5rem; 
    }

    /* ----- Header ----- */
    header {
      border-bottom: 1px solid var(--border);
      backdrop-filter: blur(8px);
      background: color-mix(in oklab, var(--bg) 85%, transparent);
      position: sticky; top: 0; z-index: 50;
    }
    .nav { 
        display: flex; 
        align-items: center; 
        justify-content: space-between; 
        padding: .9rem 0; 
    }
    .brand {
        display: inline-flex; 
        align-items: center; 
        gap: .6rem; 
        font-weight: 700; 
    }
    .badge { 
        font-size: .7rem; 
        padding: .2rem .45rem; 
        border-radius: 999px; 
        border: 1px solid var(--border); 
        color: var(--muted); 
    }

    /* ----- Hero ----- */
    .hero { 
        padding: 2.2rem 1rem ; 
    }
    h1 {
        font-size: clamp(1.6rem, 2.5vw + 1rem, 2.4rem); 
        line-height: 1.2; 
        margin: 0 0 .5rem; 
    }
    .lede { 
        color: var(--muted); 
        margin: 0; 
    }
    .meta { 
        display: flex; 
        gap: .75rem; 
        flex-wrap: wrap; 
        margin-top: .75rem; 
        font-size: .9rem; 
        color: var(--muted); 
    }
    .pill { 
        border: 1px solid var(--border); 
        padding: .2rem .55rem; 
        border-radius: 999px; 
    }

    /* ----- Sections ----- */
    main {
      max-width: 900px;
      margin: auto;
      padding: 2rem 1rem;
    }
    section:hover {
      transform: translateY(-3px);
    }
    section { 
         
        border: 1px solid var(--border); 
        border-radius: 1rem; 
        padding: 1.1rem; 
        margin: 1rem 0; 
        box-shadow: 0 2px 6px rgba(0,0,0,0.5);
        transition: transform 0.2s ease;
    }
    section h2 { 
        font-size: 1.25rem; 
        margin: 0 0 .6rem; 
        letter-spacing: .3px;
        margin-bottom: 0.75rem;
        color: #38bdf8; 
    }

    section p { 
        margin: .3rem 0 .8rem; 
    }
    ul {
        margin: .2rem 0 .8rem 1.2rem; 
        padding: 0; 
    }
    li { 
        margin: .35rem 0; 
    }

    details { 
        border: 1px dashed var(--border); 
        border-radius: .8rem; 
        padding: .75rem .9rem; 
    }
    details + details { 
        margin-top: .6rem; 
    }
    summary { 
        cursor: pointer; 
        font-weight: 600; 
    }

    code.inline { 
        /* background: color-mix(in oklab, var(--bg) 85%, #0000);  */
        padding: .05rem .35rem; 
        border-radius: .35rem; 
        border: 1px solid var(--border); 
        font-size: .95em; 
    }

    /* ----- Footer ----- */
    footer { 
        color: var(--muted); 
        border-top: 1px solid var(--border); 
        margin-top: 2rem; 
    }
    .footer-inner { 
        display: grid; 
        gap: .8rem; 
        padding: 1.2rem 0 2.4rem; 
        grid-template-columns: 1fr; 
    }
    .foot-brand { 
        font-weight: 700; 
    }
    .legal a { 
        color: var(--muted); 
    }

    /* ----- Utilities / Responsive ----- */
    .sr-only { 
        position: absolute; 
        width: 1px; 
        height: 1px; 
        padding: 0; 
        margin: -1px; 
        overflow: hidden; 
        clip: rect(0,0,0,0); 
        white-space: nowrap; 
        border: 0; 
    }

    @media (min-width: 720px) {
      .grid-2 { 
        display: grid; 
        grid-template-columns: 1.1fr .9fr; 
        gap: 1rem; 
        align-items: start; 
        }
    }

    h1 {
      font-size: clamp(2rem, 4vw + 1rem, 3rem);
      margin-bottom: 1rem;
      animation: fadeIn 1.5s ease-in-out;
    }
    p {
      font-size: 1.1rem;
      color: var(--muted);
      max-width: 600px;
      margin: 0 auto 2rem;
      animation: fadeIn 2s ease-in-out;
    }
    .btn {
      background: var(--accent);
      color: #fff;
      padding: 0.75rem 1.5rem;
      border-radius: 999px;
      border: none;
      font-size: 1rem;
      cursor: pointer;
      transition: transform 0.2s, box-shadow 0.2s;
      animation: fadeIn 2.5s ease-in-out;
    }
    .btn:hover {
      transform: translateY(-3px);
      box-shadow: 0 8px 20px rgba(122,162,255,0.4);
    }
    .countdown {
      display: flex;
      gap: 1rem;
      margin: 2rem 0;
      justify-content: center;
      animation: fadeIn 2s ease-in-out;
      flex-wrap: wrap;
    }
    .time-box {
      background: var(--card);
      border: 1px solid var(--border);
      border-radius: 1rem;
      padding: 1rem;
      min-width: 80px;
    }
    .time-box span {
      display: block;
      font-size: 1.5rem;
      font-weight: bold;
      color: var(--accent);
    }
    .label {
      font-size: 0.8rem;
      color: var(--muted);
    }
    footer {
      margin-top: 3rem;
      color: var(--muted);
      font-size: 0.9rem;
      z-index: 10;
    }
    /* floating stickers */
    .floating {
      position: absolute;
      font-size: 2rem;
      opacity: 0.3;
      animation: float 12s infinite linear;
    }
    .s1 { top: 10%; left: 5%; animation-delay: 0s; }
    .s2 { top: 20%; right: 10%; animation-delay: 2s; }
    .s3 { bottom: 15%; left: 15%; animation-delay: 4s; }
    .s4 { bottom: 10%; right: 20%; animation-delay: 6s; }
    .s5 { top: 40%; left: 50%; animation-delay: 8s; }
    .s6 { bottom: 35%; right: 40%; animation-delay: 10s; }
    @keyframes float {
      from { transform: translateY(0) rotate(0); }
      to { transform: translateY(-40px) rotate(360deg); }
    }
    @keyframes fadeIn {
      from { opacity: 0; transform: translateY(20px); }
      to { opacity: 1; transform: translateY(0); }
    }