/* ====== USTAWIENIA ====== */
:root{
  --bg: #0a0a0a;
  --text: #cde6ff;
  --muted: #8db8d6;
  --brand: #1a6bff;
  --shadow: 0 10px 30px rgba(0,0,0,.4);
  --radius: 16px;
}

/* ====== TŁO ====== */
body{
  margin: 0;
  padding: 0;
  font-family: 'Segoe UI', sans-serif;
  background: url('raporty.jpg') no-repeat center center fixed;
  background-size: cover;
  color: var(--text);
}

/* ====== OVERLAY ====== */
.overlay{
  background: rgba(0, 0, 0, 0.55);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  text-align: center;
  padding: 2rem;
}

/* ====== HEADER ====== */
header h1{
  font-size: clamp(28px, 4vw, 48px);
  text-shadow: 0 0 10px rgba(26,107,255,0.5);
  letter-spacing: 2px;
}

header p{
  color: var(--muted);
  font-size: clamp(14px, 1.5vw, 18px);
}

/* ====== KAFELKI ====== */
.container{
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.5rem;
  margin-top: 3rem;
}

.card{
  background: rgba(10,15,20,0.8);
  border: 1px solid var(--brand);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.5rem;
  text-decoration: none;
  color: var(--text);
  width: 280px;
  transition: all 0.3s ease;
}

.card:hover{
  background: rgba(20,30,40,0.9);
  transform: scale(1.03);
  box-shadow: 0 0 25px rgba(26,107,255,0.4);
}

/* ====== FOOTER ====== */
footer{
  margin-top: 3rem;
  font-size: 14px;
  color: var(--muted);
}

/* ====== NAWIGACJA POWIĄZANA ====== */
.related{
  display:flex;
  gap:12px;
  justify-content:center;
  margin-top:24px;
  flex-wrap:wrap;
}
.related a{
  text-decoration:none;
  color:#cde6ff;
  background: rgba(20,30,40,.8);
  border:1px solid rgba(26,107,255,.6);
  border-radius:12px;
  padding:8px 14px;
  font-family:'Segoe UI',sans-serif;
  font-size:14px;
  transition:.2s;
}
.related a:hover{
  background: rgba(30,45,60,.9);
  border-color: #1a6bff;
}