:root{
  --bg:#0b1320;
  --card:#111a2b;
  --ink:#e8f0ff;
  --muted:#a9b3c7;
  --accent:#3db9ff;
  --chip:#1d2a44;
  --chip-border:#2a3b61;
}

*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--ink);font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif}

.site-header{
  position:sticky;top:0;z-index:10;
  backdrop-filter:saturate(150%) blur(10px);
  background:rgba(11,19,32,.6);
  border-bottom:1px solid rgba(255,255,255,.06);
}
.nav{max-width:1100px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;padding:14px 16px}
.logo{font-weight:700;color:var(--ink);text-decoration:none;font-size:20px}
.nav-links a{color:var(--muted);text-decoration:none;margin-left:18px}
.nav-links a:hover,.nav-links a.active{color:var(--ink)}

.container{max-width:1100px;margin:28px auto;padding:0 16px}
.page-title{margin:8px 0 4px}
.page-subtitle{margin:0 0 18px;color:var(--muted)}

.grid{
  display:grid;gap:20px;
  grid-template-columns: repeat(2, 1fr);  
}
@media (max-width: 760px){
  .grid{grid-template-columns: 1fr;}     
}

.card{
  background:var(--card);border:1px solid rgba(255,255,255,.06);
  border-radius:16px;overflow:hidden;cursor:pointer;
  transition:transform .15s ease, box-shadow .15s ease, border-color .15s ease
}
.card:hover{transform:translateY(-3px);box-shadow:0 10px 18px rgba(0,0,0,.35);border-color:rgba(61,185,255,.25)}
.card__cover{display:block;width:100%;height:220px;object-fit:cover;background:#0f192d}
.card__body{padding:14px 14px 16px}
.card__title{margin:6px 0 6px;font-size:18px}
.card__desc{margin:0;color:var(--muted);font-size:15px;line-height:1.55}

.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.chip{
  background:var(--chip);color:var(--ink);
  border:1px solid var(--chip-border);
  padding:4px 8px;font-size:12px;border-radius:999px
}

.modal{position:fixed;inset:0;display:none}
.modal[aria-hidden="false"]{display:block}
.modal__backdrop{position:absolute;inset:0;background:rgba(0,0,0,.55)}
.modal__dialog{
  position:relative;width:min(880px,92vw);max-height:90vh;overflow:auto;
  margin:6vh auto;background:var(--card);border:1px solid rgba(255,255,255,.08);border-radius:16px
}
.modal__close{
  position:absolute;top:8px;right:10px;border:0;background:transparent;color:var(--ink);
  font-size:26px;cursor:pointer
}
.modal__cover{width:100%;height:300px;object-fit:cover;background:#0f192d}
.modal__title{margin:14px 16px 6px}
.modal__desc{margin:0 16px 10px;color:var(--muted);line-height:1.65}
.modal__tags{display:flex;flex-wrap:wrap;gap:8px;margin:8px 16px 14px}
.modal__links{display:flex;gap:10px;margin:0 16px 18px}
.btn{
  display:inline-block;text-decoration:none;color:var(--ink);background:transparent;
  border:1px solid var(--accent);padding:8px 12px;border-radius:10px
}
.btn:hover{background:rgba(61,185,255,.1)}
.site-footer{padding:24px 16px;color:var(--muted);text-align:center;border-top:1px solid rgba(255,255,255,.06);margin-top:26px}