:root{
  --bg: #0b1220;
  --panel: rgba(255,255,255,.06);
  --panel2: rgba(255,255,255,.08);
  --text: #eaf0ff;
  --muted: rgba(234,240,255,.75);
  --border: rgba(255,255,255,.12);
  --shadow: 0 18px 55px rgba(0,0,0,.45);
  --radius: 18px;
}

*{ box-sizing: border-box; }
html,body{ height:100%; }

body{
  margin:0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color: var(--text);
  background:
    radial-gradient(1200px 600px at 20% 10%, rgba(84,139,255,.28), transparent 55%),
    radial-gradient(900px 500px at 85% 20%, rgba(0,255,198,.16), transparent 55%),
    radial-gradient(900px 600px at 40% 95%, rgba(255,176,58,.12), transparent 55%),
    var(--bg);
}

.container{
  width: min(1100px, calc(100% - 32px));
  margin: 0 auto;
}

.hero{
  padding: 56px 0 26px;
}

.title{
  margin: 0;
  font-size: clamp(28px, 3.2vw, 44px);
  letter-spacing: .2px;
}

.subtitle{
  margin: 10px 0 0;
  color: var(--muted);
  font-size: clamp(14px, 1.7vw, 18px);
}

.author{
  margin: 10px 0 0;
  font-weight: 650;
  color: rgba(234,240,255,.92);
}

/* Kafelki na stronie głównej */
.grid{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  padding: 18px 0 24px;
}
@media (max-width: 980px){
  .grid{ grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px){
  .grid{ grid-template-columns: 1fr; }
  .hero{ padding-top: 40px; }
}

.tile{
  display: grid;
  grid-template-rows: 160px auto;
  text-decoration: none;
  color: inherit;
  background: linear-gradient(180deg, var(--panel), rgba(255,255,255,.03));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform .18s ease, border-color .18s ease, background .18s ease;
}
.tile:hover{
  transform: translateY(-3px);
  border-color: rgba(255,255,255,.22);
  background: linear-gradient(180deg, var(--panel2), rgba(255,255,255,.04));
}

.tile__thumb{
  background-size: cover;
  background-position: center;
  position: relative;
}
.tile__thumb::after{
  content:"";
  position:absolute;
  inset:0;
  background: linear-gradient(180deg, rgba(0,0,0,.12), rgba(0,0,0,.55));
}

.tile__body{
  padding: 14px 16px 16px;
  display: grid;
  gap: 8px;
}

.tile__nr{
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  border-radius: 999px;
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.16);
  font-weight: 750;
  letter-spacing: .3px;
}

.tile__title{
  margin: 0;
  font-size: 16px;
  line-height: 1.25;
}

.tile__desc{
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.35;
}

.footer{
  padding: 18px 0 34px;
  color: var(--muted);
  font-size: 13px;
  border-top: 1px solid rgba(255,255,255,.10);
}