:root{
    --bg-deep:#06102b;
    --bg-mid:#16306e;
    --bg-bright:#2a5fd9;
    --panel:#0c0c12;
    --panel-line:#262631;
    --ink:#f4f4f2;
    --ink-dim:#a6a6b3;
    --accent:#7CFF6B;
    --accent-dim:#4fcf42;
  }

  *{margin:0;padding:0;box-sizing:border-box;}

  html,body{
    min-height:100vh;
    font-family:'Manrope',sans-serif;
    background:
      radial-gradient(ellipse 140% 100% at 50% -10%, var(--bg-bright) 0%, var(--bg-mid) 45%, var(--bg-deep) 100%);
  }

  /* ---- top bar ---- */
  .topbar{
    background:#0c0c12;
    border-bottom:1px solid var(--panel-line);
    display:flex;
    align-items:center;
    justify-content:space-between;
    padding:18px 28px;
    position:sticky;
    top:0;
    z-index:10;
  }
  .topbar .back{
    display:flex;
    align-items:center;
    gap:10px;
    color:var(--ink-dim);
    text-decoration:none;
    cursor:pointer;
    font-weight:700;
    font-size:15.5px;
    letter-spacing:0.04em;
    text-transform:uppercase;
    background:none;
    border:none;
    transition:color .15s ease;
  }
  .topbar .back:hover{ color:var(--accent); }
  .topbar .back svg{width:18px;height:18px;}

  .topbar h1{
    font-family:'Fraunces',serif;
    font-weight:600;
    font-size:24px;
    color:#fff;
    letter-spacing:0.01em;
  }

  .topbar .home{
    width:38px;height:38px;
    border-radius:10px;
    display:flex;align-items:center;justify-content:center;
    color:var(--ink-dim);
    background:#15151d;
    border:1px solid var(--panel-line);
    cursor:pointer;
    transition:color .15s ease, border-color .15s ease;
  }
  .topbar .home:hover{ color:var(--accent); border-color:var(--accent-dim); }
  .topbar .home svg{width:18px;height:18px;}

  /* ---- content ---- */
  .content{
    max-width:1240px;
    margin:0 auto;
    padding:32px 24px 120px;
  }

  .toolbar{
    display:flex;
    align-items:center;
    justify-content:space-between;
    flex-wrap:wrap;
    gap:14px;
    margin-bottom:22px;
  }
  .toolbar .count{
    font-family:'Manrope',sans-serif;
    font-weight:700;
    font-size:16.5px;
    color:var(--ink-dim);
  }
  .toolbar .count strong{
    color:var(--accent);
    font-weight:800;
  }
  .toolbar .actions{
    display:flex;
    gap:10px;
  }
  .ghost-btn{
    font-family:'Manrope',sans-serif;
    font-weight:700;
    font-size:15.5px;
    letter-spacing:0.02em;
    color:var(--ink);
    background:rgba(255,255,255,0.06);
    border:1px solid rgba(255,255,255,0.14);
    border-radius:10px;
    padding:9px 16px;
    cursor:pointer;
    transition:background .15s ease, border-color .15s ease;
  }
  .ghost-btn:hover{
    background:rgba(255,255,255,0.12);
    border-color:rgba(255,255,255,0.28);
  }

  /* ---- decade grid ---- */
  .grid{
    display:grid;
    grid-template-columns:repeat(8, 1fr);
    gap:12px;
  }

  .decade{
    background:var(--panel);
    border-radius:16px;
    overflow:hidden;
    border:2px solid transparent;
    cursor:pointer;
    user-select:none;
    -webkit-user-select:none;
    transition:transform .15s ease, border-color .15s ease, box-shadow .15s ease, opacity .2s ease;
    box-shadow:0 18px 32px -18px rgba(0,0,0,0.6);
  }
  .decade:hover{ transform:translateY(-3px); }

  .decade.active{
    border-color:var(--accent);
    box-shadow:0 0 0 1px rgba(124,255,107,0.15), 0 18px 32px -16px rgba(76,207,66,0.35);
  }

  .decade:not(.active){
    opacity:0.4;
  }
  .decade:not(.active) .photos img{
    filter:grayscale(1) brightness(0.6);
  }

  .decade-label{
    font-family:'Fraunces',serif;
    font-weight:600;
    font-size:24px;
    color:#fff;
    text-align:center;
    padding:14px 0 10px;
  }

  .photos{
    display:grid;
    grid-template-rows:repeat(4, 1fr);
    gap:2px;
    padding:0 2px;
  }
  .photos img{
    max-width:100%;
    height:97px;
    object-fit:cover;
    display:block;
    transition:filter .2s ease;
  }

  .check-row{
    display:flex;
    align-items:center;
    justify-content:center;
    padding:14px 0;
  }
  .check{
    width:26px;height:26px;
    border-radius:8px;
    border:2px solid var(--ink-dim);
    display:flex;align-items:center;justify-content:center;
    transition:background .15s ease, border-color .15s ease;
  }
  .decade.active .check{
    background:var(--accent);
    border-color:var(--accent);
  }
  .check svg{
    width:14px;height:14px;
    color:#0c0c12;
    opacity:0;
    transition:opacity .15s ease;
  }
  .decade.active .check svg{ opacity:1; }

  /* ---- sticky CTA ---- */
  .footer-cta{
    position:fixed;
    bottom:0; left:0; right:0;
    background:linear-gradient(180deg, rgba(6,16,43,0) 0%, rgba(6,16,43,0.92) 35%, rgba(6,16,43,1) 100%);
    padding:32px 24px 22px;
    display:flex;
    justify-content:center;
  }
  .apply-btn{
    width:100%;
    max-width:520px;
    border:none;
    cursor:pointer;
    border-radius:14px;
    padding:18px 28px;
    font-family:'Fraunces',serif;
    font-weight:600;
    font-size:24px;
    color:#0c0c12;
    background:linear-gradient(180deg, var(--accent) 0%, var(--accent-dim) 100%);
    box-shadow:0 1px 0 rgba(255,255,255,0.5) inset, 0 14px 28px -10px rgba(76,207,66,0.55);
    transition:transform .15s ease;
  }
  .apply-btn:hover{ transform:translateY(-2px); }

  @media (max-width: 980px){
    .grid{ grid-template-columns:repeat(4, 1fr); }
    .photos{ grid-template-rows:repeat(2, 1fr); }
  }

	.mobile .toolbar .count { font-size:33px;}
   .mobile .footer-cta .apply-btn { padding:36px 56px; font-size:48px;}
      .mobile .home { display:none;}
  .mobile .topbar { padding:36px 56px; }
  .mobile .topbar h1 { font-size:48px;}