/* --- Oświata IT — Unified Stylesheet v5 Jedna paleta, jeden plik, wszystkie strony. --- */

:root{
  --bg:#0b1220;
  --panel:#0f1930;
  --text:#e9eefc;
  --muted:#b7c3ea;
  --accent:#59d0ff;
  --accent2:#6ef3c5;
  --line:rgba(255,255,255,.12);
  --shadow:0 16px 40px rgba(0,0,0,.35);
  --radius:18px;
  --radius2:22px;
  --max:1120px;
  --mono:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas,"Liberation Mono","Courier New", monospace;
  --sans:ui-sans-serif, system-ui,-apple-system, Segoe UI, Roboto, Arial,"Noto Sans","Liberation Sans", sans-serif;
}

/* --- Reset --- */
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family:var(--sans);
  background:
    radial-gradient(1200px 700px at 70% -10%, rgba(89,208,255,.22), transparent 60%),
    radial-gradient(900px 600px at 10% 0%, rgba(110,243,197,.14), transparent 60%),
    var(--bg);
  color:var(--text);
  line-height:1.55;
}

a{color:var(--accent); text-decoration:none}
a:hover{opacity:.92}
img{max-width:100%; display:block}

/* ---  Layout --- */
.wrap{
  max-width:var(--max);
  margin:0 auto;
  padding:24px;
}
.wrap-article{
  max-width:860px;
  margin:0 auto;
  padding:24px;
}

/* ---  Header --- */
header{
  position:sticky;
  top:0;
  z-index:20;
  backdrop-filter: blur(10px);
  background: linear-gradient(to bottom, rgba(11,18,32,.85), rgba(11,18,32,.55));
  border-bottom:1px solid var(--line);
}

.nav{
  display:flex;
  gap:16px;
  align-items:center;
  justify-content:space-between;
  padding:14px 0;
}

.brand{display:flex; gap:12px; align-items:center}
.logo{
    width: 36px;
    height: 36px;
    border-radius: 12px;
    background: linear-gradient(135deg, rgba(89, 208, 255, .9), rgba(110, 243, 197, .85));
    box-shadow: 0 10px 30px rgba(89, 208, 255, .12);
    flex: 0 0 auto;
}
.small{font-size:13px; color:var(--muted)}

.menu{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  align-items:center;
  justify-content:center;
}
.menu a{
  color:var(--muted);
  font-size:14px;
  padding:9px 11px;
  border:1px solid transparent;
  border-radius:12px;
}
.menu a:hover{border-color:var(--line); color:var(--text); background:rgba(255,255,255,.03)}
.menu a.strong{color:var(--accent); font-weight:600}

.cta{display:flex; gap:10px; align-items:center}

/* ---  Buttons --- */
.btn{
  display:inline-flex; align-items:center; justify-content:center;
  gap:10px;
  padding:11px 14px;
  border-radius:14px;
  border:1px solid var(--line);
  color:var(--text);
  background: rgba(255,255,255,.03);
  cursor:pointer;
  font-size:14px;
}
.btn:hover{background:rgba(255,255,255,.06)}
.btn.primary{
  background: linear-gradient(135deg, rgba(89,208,255,.18), rgba(110,243,197,.12));
  border-color: rgba(89,208,255,.45);
}

/* ---  Main & Sections --- */
main{padding:24px 0 10px}
.hero{padding:22px 0 10px}
.section{padding:18px 0 22px}

/* ---  Cards --- */
.card{
  background: linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.025));
  border:1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.pad{padding:22px}
.callout{
  background: rgba(0,0,0,.18);
  border:1px solid var(--line);
  border-radius:16px;
  padding:18px;
}

/* ---  Typography --- */
.kicker{
  display:inline-block;
  font-size:12px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--muted);
  margin-bottom:10px;
}
.lead{color:var(--muted); font-size:16.5px; max-width:72ch; margin:0 0 14px}
h1{font-size:34px; line-height:1.15; margin:6px 0 10px}
.hero h1{font-size:38px; line-height:1.1; margin:0 0 10px}
h2{font-size:24px; margin:0 0 10px}
h3{font-size:18px; margin:0 0 8px}
p{margin:0 0 12px; color:var(--muted)}
.strong{font-weight:600}

/* ---  Grid layouts --- */
.tiles{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap:14px;
}
.tile{display:block; padding:18px}
.tile h3{margin:0 0 8px; font-size:18px}
.tile p{color:var(--muted); font-size:14.5px; margin:0}
.tile:hover{transform: translateY(-2px); transition: .15s ease; border-color: rgba(89,208,255,.30)}

.grid{display:grid; grid-template-columns:1.1fr .9fr; gap:14px}
.grid-even{
  display:grid;
  grid-template-columns: 1.1fr .9fr;
  gap:14px;
  align-items:start;
}

/* 12-column grid (used in infrastruktura) */
.grid-12{display:grid; grid-template-columns:repeat(12, 1fr); gap:14px; margin-top:14px}
.col-12{grid-column:span 12}
.col-8{grid-column:span 8}
.col-6{grid-column:span 6}
.col-4{grid-column:span 4}

.split{display:grid; grid-template-columns:1fr 1fr; gap:14px}

/* ---  KPI / Stats boxes --- */
.kpi{display:grid; grid-template-columns:repeat(2, 1fr); gap:12px}
.kpi-3{display:grid; grid-template-columns:repeat(3, 1fr); gap:12px}
.box{
  border:1px solid var(--line);
  border-radius:16px;
  padding:14px;
  background:rgba(0,0,0,.18);
}
.box strong{display:block}
.box span{display:block; color:var(--muted); margin-top:6px; font-size:13px}

/* ---  Pills --- */
.pill{
  display:inline-block;
  font-family:var(--mono);
  font-size:12px;
  color:#d7e2ff;
  border:1px solid rgba(255,255,255,.12);
  padding:8px 10px;
  border-radius:999px;
  background:rgba(0,0,0,.15);
  margin:6px 8px 0 0;
}

/* ---  Lists --- */
.list{margin:0; padding-left:18px; color:var(--muted)}
.list li{margin:8px 0}

/* --- Code blocks --- */
.codebox{
  background:rgba(0,0,0,.25);
  border:1px solid var(--line);
  border-radius:12px;
  padding:16px;
  overflow-x:auto;
  font-family:var(--mono);
  font-size:13px;
  line-height:1.6;
  color:var(--text);
}
.code{font-family:var(--mono); font-size:13px}

/* ---  Dividers --- */
.hr{height:1px; background: var(--line); margin:14px 0}

/* ---  Section anchors (infrastruktura articles) --- */
.section-anchor{scroll-margin-top:80px}

/* ---  Metric (infrastruktura) --- */
.metric{
  display:flex;
  align-items:baseline;
  gap:8px;
}
.dot{
  width:8px; height:8px;
  border-radius:50%;
  background:var(--accent);
  flex:0 0 auto;
}

/* ---  Footer --- */
footer{padding:26px 0 34px; border-top:1px solid var(--line); background: rgba(0,0,0,.12); color:var(--muted)}
.foot{display:flex; gap:18px; align-items:flex-start; justify-content:space-between; flex-wrap:wrap}
.links{display:flex; gap:10px; flex-wrap:wrap}
.links a{color:var(--muted); padding:8px 10px; border-radius:12px}
.links a:hover{color:var(--text); background:rgba(255,255,255,.04)}
.footer-grid{display:flex; flex-wrap:wrap; justify-content:space-between; gap:12px}

/* ---  Forms --- */
form{display:grid; gap:10px}
label{display:block; font-size:13px; color:var(--muted); margin:10px 0 6px}
input, textarea, select{
  width:100%;
  padding:12px 12px;
  border-radius:14px;
  border:1px solid var(--line);
  background:rgba(0,0,0,.18);
  color:var(--text);
  outline:none;
  font-family:inherit;
  font-size:14px;
}
input:focus, textarea:focus, select:focus{border-color:rgba(89,208,255,.45)}
textarea{min-height:140px; resize:vertical}

.formgrid{display:grid; grid-template-columns:1fr 1fr; gap:12px}
.contact-wrap{max-width:720px; margin:0 auto}

/* ---  Pricing tables (cennik) --- */
.pricing-table{width:100%; border-collapse:collapse; margin:14px 0}
.pricing-table th{text-align:left; padding:10px 12px; border-bottom:2px solid var(--line); color:var(--text); font-size:13px; text-transform:uppercase; letter-spacing:.5px}
.pricing-table td{padding:10px 12px; border-bottom:1px solid rgba(255,255,255,.06); color:var(--muted); font-size:14.5px}
.pricing-table tr:hover td{background:rgba(255,255,255,.02)}
.pricing-table .price{color:var(--accent); font-weight:600; white-space:nowrap; font-family:var(--mono); font-size:13px}
.pricing-table .category{color:var(--text); font-weight:600; background:rgba(89,208,255,.06); padding:12px}
.pricing-table .category td{border-bottom:1px solid rgba(89,208,255,.15)}

/* ---  Row utility (infrastruktura grid fallback) --- */
.row{display:flex; flex-wrap:wrap; gap:14px}

/* --- Responsive --- */
@media (max-width: 980px){
  .col-8,.col-6,.col-4{grid-column:span 12}
  .kpi-3{grid-template-columns:repeat(2, 1fr)}
  .formgrid{grid-template-columns:1fr}
}
@media (max-width: 960px){
  .tiles{grid-template-columns: 1fr}
  .grid, .grid-even, .split{grid-template-columns: 1fr}
  .cta{display:none}
  h1, .hero h1{font-size:30px}
}

@media (max-width: 640px){
  .wrap, .wrap-article{width: calc(100% - 24px); padding:16px}

  .nav{
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
    padding: 12px 0;
  }

  .brand{justify-content:center; text-align:center}

  .menu{
    justify-content:flex-start;
    overflow-x:auto;
    -webkit-overflow-scrolling: touch;
    white-space: nowrap;
    padding-bottom: 6px;
  }
  .menu a{flex:0 0 auto}

  h1, .hero h1{font-size:28px}
  .lead{font-size:15px}
  .pad{padding:16px}
  .tile{padding:16px}
  .kpi, .kpi-3{grid-template-columns:1fr}
}

/* ---  Call-to-action blocks (infrastruktura articles) --- */
.call{
  background:rgba(89,208,255,.06);
  border:1px solid rgba(89,208,255,.15);
  border-radius:16px;
  padding:18px;
  margin:14px 0;
}
.call strong{display:block; margin-bottom:6px}


/* ---  table wrap / pricing (upgrade) --- */
.table-wrap{border:1px solid var(--line); border-radius:16px; overflow:auto; background:rgba(255,255,255,.02); box-shadow:0 10px 30px rgba(0,0,0,.25); margin:14px 0}
.pricing-table{width:100%; border-collapse:separate; border-spacing:0; min-width:720px}
.pricing-table thead th{position:sticky; top:0; background:rgba(15,23,42,.92); backdrop-filter:blur(6px); z-index:1}
.pricing-table th, .pricing-table td{border-bottom:1px solid rgba(255,255,255,.08)}
.pricing-table tbody tr:nth-child(even) td{background:rgba(255,255,255,.015)}
.pricing-table td:first-child{color:var(--text)}
.pricing-table .price{white-space:nowrap}
@media (max-width: 820px){.pricing-table{min-width:640px}}
@media (max-width: 640px){.table-wrap{border-radius:14px} .pricing-table{min-width:560px}}