:root{
  --bg:#0b0f19;--panel:#121829;--panel2:#0e1424;--line:#233047;
  --text:#e8edf7;--muted:#9aa7bd;--accent:#6d8bff;--accent2:#57e0b0;--chip:#1a2338;
}
*{box-sizing:border-box;margin:0;padding:0}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Inter,Roboto,Arial,sans-serif;
  background:radial-gradient(1200px 700px at 80% -10%,#1b2544 0%,var(--bg) 55%) fixed;
  color:var(--text);line-height:1.65;-webkit-font-smoothing:antialiased;
}
.wrap{max-width:1040px;margin:0 auto;padding:32px 24px 80px}

/* Top bar */
.topbar{display:flex;align-items:center;justify-content:space-between;margin-bottom:26px}
.brand{color:var(--text);text-decoration:none;font-weight:700;letter-spacing:-.2px}
.brand:hover{color:var(--accent)}
.back{color:var(--muted);text-decoration:none;font-size:14px}
.back:hover{color:var(--accent)}

/* Head */
.num-big{font-size:13px;color:var(--accent);font-weight:700;letter-spacing:2px}
h1{font-size:30px;letter-spacing:-.4px;margin:8px 0 14px;line-height:1.22;max-width:24ch}
.tags{display:flex;gap:8px;flex-wrap:wrap}
.tag{background:var(--chip);border:1px solid var(--line);color:#c3cee3;font-size:13px;padding:5px 11px;border-radius:999px}
.meta-line{color:var(--muted);font-size:14px;margin-top:12px}

/* Buttons */
.btn{display:inline-block;background:#161d31;border:1px solid var(--line);color:var(--text);font-weight:600;font-size:14px;text-decoration:none;padding:11px 20px;border-radius:10px;transition:.18s}
.btn:hover{background:#1b2440;border-color:#3a4f78;color:#fff}
.btn-ghost{background:transparent}

/* Gallery */
.gallery{margin:26px 0 0;background:var(--panel);border:1px solid var(--line);border-radius:18px;overflow:hidden}
.slides{position:relative;aspect-ratio:16/10;background:#0a0e18}
.slide{position:absolute;inset:0;opacity:0;transition:.35s;display:flex;align-items:center;justify-content:center}
.slide.active{opacity:1}
.slide img{width:100%;height:100%;object-fit:contain;background:#0a0e18}
.controls{display:flex;align-items:center;justify-content:center;gap:18px;padding:12px 12px 6px}
.controls button{background:var(--chip);border:1px solid var(--line);color:var(--text);font-size:20px;width:42px;height:42px;border-radius:12px;cursor:pointer;line-height:1;transition:.15s}
.controls button:hover{border-color:var(--accent)}
.counter{color:var(--muted);font-size:14px;min-width:64px;text-align:center}
.thumbs{display:flex;gap:8px;overflow-x:auto;padding:10px 12px 14px}
.thumbs img{height:46px;width:74px;object-fit:cover;border-radius:8px;border:1px solid var(--line);cursor:pointer;opacity:.55;transition:.15s;flex:none}
.thumbs img.active{opacity:1;border-color:var(--accent)}
.thumbs img:hover{opacity:.85}
.caption{color:var(--muted);font-size:13.5px;padding:0 16px 16px;text-align:center}

/* Blocks */
.blocks{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:22px}
@media(max-width:760px){.blocks{grid-template-columns:1fr}}
.block{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:18px 20px}
.block h3{font-size:12px;text-transform:uppercase;letter-spacing:1.6px;color:var(--muted);margin-bottom:10px}
.block ul{list-style:none;display:flex;flex-direction:column;gap:7px}
.block li{font-size:14.5px;color:#c9d4e8;padding-left:16px;position:relative}
.block li::before{content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:2px;background:var(--accent)}

.result{margin-top:16px;background:rgba(109,139,255,.08);border:1px solid rgba(109,139,255,.22);border-radius:14px;padding:16px 18px}
.result .lbl{display:block;font-size:12px;text-transform:uppercase;letter-spacing:1.6px;color:var(--accent);font-weight:700;margin-bottom:6px}
.result p{color:#dbe4f7;font-size:15px}

/* CTA + footer */
.cta{display:flex;gap:10px;flex-wrap:wrap;margin-top:30px}
.foot{margin-top:30px;padding-top:18px;border-top:1px solid var(--line);color:var(--muted);font-size:13px;display:flex;gap:10px;flex-wrap:wrap}
.foot a{color:var(--muted);text-decoration:none}
.foot a:hover{color:var(--accent)}

a:focus-visible,button:focus-visible,.thumbs img:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:8px}
@media (prefers-reduced-motion: reduce){.slide{transition:none}}
@media (max-width:560px){
  .wrap{padding:24px 16px 64px}
  h1{font-size:24px}
}

/* Pager */
.pager{display:flex;gap:10px;justify-content:space-between;margin-top:22px}
.pager .btn{flex:0 0 auto}

/* Print: clean document with all slides */
@media print{
  body{background:#fff;color:#111}
  .topbar,.controls,.thumbs,.cta,.pager,.back{display:none}
  .wrap{max-width:none;padding:0}
  h1,.block li,.tag,.meta-line,.caption,.result p{color:#111}
  .gallery{border:none;background:none;margin:16px 0}
  .slides{aspect-ratio:auto}
  .slide{position:static;opacity:1;display:block;margin-bottom:10px}
  .slide img{height:auto;max-height:none}
  .block,.about,.result{border-color:#ccc;background:#fff}
}