:root {
  --bg: #ffffff;
  --bg-alt: #f4f7fb;
  --text: #121a26;
  --muted: #5a6779;
  --line: #e0e6ee;
  --accent: #006fff;
  --accent-dark: #0058cc;
  --dark: #0a0f17;
  --ok: #1fc16b;
  --radius: 14px;
  --shadow: 0 12px 34px rgba(0, 40, 100, .10);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b1018;
    --bg-alt: #111823;
    --text: #e9eef5;
    --muted: #97a5b8;
    --line: #222d3c;
    --shadow: 0 12px 34px rgba(0, 0, 0, .4);
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}
a { color: var(--accent); }
h1, h2, h3 { line-height: 1.2; margin: 0 0 .5em; }
h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); }
code { font-family: ui-monospace, "SF Mono", Consolas, monospace; font-size: .9em; }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 20px; }

/* Nagłówek */
.top {
  position: sticky; top: 0; z-index: 10;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.top-in { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 1.3rem; color: var(--text); text-decoration: none; letter-spacing: -.02em; }
.logo-mark {
  width: 30px; height: 30px; border-radius: 50%;
  border: 6px solid var(--accent); box-shadow: inset 0 0 0 4px var(--bg), inset 0 0 0 9px var(--accent);
}
.nav { display: flex; align-items: center; gap: 24px; }
.nav a { color: var(--text); text-decoration: none; font-weight: 500; }
.nav a:hover { color: var(--accent); }
.menu-btn { display: none; background: none; border: 0; font-size: 1.6rem; color: var(--text); cursor: pointer; }

/* Przyciski */
.btn {
  display: inline-block; padding: 12px 22px; border-radius: 10px; border: 0; text-align: center;
  background: var(--accent); color: #fff !important; font-weight: 600; font-size: 1rem;
  text-decoration: none; cursor: pointer; transition: background .2s, transform .2s;
}
.btn:hover { background: var(--accent-dark); transform: translateY(-1px); }
.btn-sm { padding: 8px 16px; }
.btn-ghost { background: transparent; color: var(--text) !important; border: 1px solid var(--line); }
.btn-ghost:hover { background: var(--bg-alt); }

/* Hero */
.hero {
  padding: 80px 0 72px;
  background:
    radial-gradient(circle at 80% 10%, color-mix(in srgb, var(--accent) 18%, transparent), transparent 50%),
    radial-gradient(circle at 10% 90%, color-mix(in srgb, var(--accent) 8%, transparent), transparent 40%);
}
.hero-in { display: grid; grid-template-columns: 1.05fr 1fr; gap: 48px; align-items: center; }
.badge { display: inline-block; color: var(--ok); background: color-mix(in srgb, var(--ok) 12%, transparent); padding: 4px 12px; border-radius: 99px; font-weight: 600; font-size: .85rem; margin: 0 0 16px; }
.hero h1 { font-size: clamp(2.2rem, 5vw, 3.4rem); letter-spacing: -.03em; }
.hero h1 span { color: var(--accent); }
.lead { font-size: 1.12rem; color: var(--muted); max-width: 36em; }
.cta { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 28px; }
.checks { list-style: none; padding: 0; margin: 24px 0 0; display: flex; gap: 20px; flex-wrap: wrap; color: var(--muted); font-size: .92rem; }
.checks li::before { content: "✓ "; color: var(--ok); font-weight: 700; }

/* Makieta panelu */
.console { background: var(--dark); border-radius: 16px; box-shadow: var(--shadow); overflow: hidden; color: #dfe7f2; border: 1px solid #1e2836; }
.console-bar { display: flex; align-items: center; gap: 6px; padding: 10px 14px; background: #121a26; font-size: .78rem; color: #8392a7; }
.console-bar i { width: 10px; height: 10px; border-radius: 50%; background: #2a3546; }
.console-bar span { margin-left: 10px; }
.console-body { padding: 18px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.kpi { background: #121a26; border-radius: 10px; padding: 12px; }
.kpi span { display: block; font-size: .72rem; color: #8392a7; }
.kpi b { font-size: 1.5rem; }
.kpi em { font-style: normal; font-size: .72rem; color: var(--ok); margin-left: 6px; }
.bars { grid-column: 1 / -1; display: flex; align-items: flex-end; gap: 6px; height: 90px; background: #121a26; border-radius: 10px; padding: 12px; }
.bars i { flex: 1; height: var(--h); background: linear-gradient(var(--accent), #003f91); border-radius: 3px 3px 0 0; animation: grow 1s ease-out both; }
@keyframes grow { from { height: 0; } }
.devs { grid-column: 1 / -1; display: grid; grid-template-columns: 1fr 1fr; gap: 8px; font-size: .8rem; }
.devs span { background: #121a26; border-radius: 8px; padding: 8px 10px; display: flex; align-items: center; gap: 8px; }
.devs b { width: 8px; height: 8px; border-radius: 50%; flex: none; }
.devs .ok { background: var(--ok); }
.devs .up { background: #f5a524; animation: blink 1.2s infinite; }
@keyframes blink { 50% { opacity: .3; } }

/* Sekcje */
.section { padding: 80px 0; }
.section.alt { background: var(--bg-alt); }
.sub { color: var(--muted); margin: 0 0 36px; font-size: 1.05rem; }
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.card { background: var(--bg); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; transition: transform .2s, box-shadow .2s; }
.card:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.card p { color: var(--muted); margin: 0; }
.ico { font-size: 1.8rem; margin-bottom: 10px; }

/* Cennik */
.plans { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; align-items: stretch; }
.plan { position: relative; display: flex; flex-direction: column; background: var(--bg); border: 1px solid var(--line); border-radius: 18px; padding: 30px 26px; }
.plan.featured { border: 2px solid var(--accent); box-shadow: var(--shadow); }
.ribbon { position: absolute; top: -13px; left: 50%; transform: translateX(-50%); background: var(--accent); color: #fff; font-size: .75rem; font-weight: 700; padding: 4px 12px; border-radius: 99px; white-space: nowrap; }
.price { margin: 0; color: var(--muted); }
.price b { font-size: 2.4rem; color: var(--text); letter-spacing: -.02em; }
.for { color: var(--muted); margin: 0 0 18px; font-size: .92rem; }
.plan ul { list-style: none; padding: 0; margin: 0 0 24px; flex: 1; }
.plan li { padding: 7px 0; border-bottom: 1px solid var(--line); font-size: .95rem; }
.plan li::before { content: "✓"; color: var(--accent); font-weight: 700; margin-right: 10px; }
.note { color: var(--muted); font-size: .85rem; margin-top: 20px; }

/* Kroki */
.steps { list-style: none; counter-reset: s; padding: 0; margin: 36px 0 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.steps li { counter-increment: s; background: var(--bg-alt); border-radius: var(--radius); padding: 24px; min-width: 0; }
.steps li::before {
  content: counter(s); display: grid; place-items: center; width: 36px; height: 36px; border-radius: 50%;
  background: var(--accent); color: #fff; font-weight: 700; margin-bottom: 12px;
}
.steps b { display: block; margin-bottom: 6px; }
.steps span { color: var(--muted); font-size: .95rem; }
.steps pre { margin: 12px 0 0; background: var(--dark); color: #8fc1ff; padding: 10px 12px; border-radius: 8px; overflow-x: auto; font-size: .8rem; }

/* FAQ */
.faq { max-width: 820px; }
.faq h2 { margin-bottom: 28px; }
details { background: var(--bg); border: 1px solid var(--line); border-radius: 12px; padding: 0 20px; margin-bottom: 12px; }
summary { cursor: pointer; padding: 18px 0; font-weight: 600; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; color: var(--accent); font-size: 1.4rem; line-height: 1; transition: transform .2s; }
details[open] summary::after { transform: rotate(45deg); }
details p { color: var(--muted); margin: 0 0 18px; }

/* Zamówienie */
.contact { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; }
.contact-list { list-style: none; padding: 0; margin: 0; }
.contact-list li { padding: 14px 0; border-bottom: 1px solid var(--line); }
.contact-list span { display: block; font-size: .8rem; color: var(--muted); text-transform: uppercase; letter-spacing: .06em; }
.form { display: grid; gap: 14px; background: var(--bg-alt); padding: 28px; border-radius: var(--radius); }
.form label { display: grid; gap: 6px; font-weight: 600; font-size: .9rem; }
.form input, .form select, .form textarea {
  font: inherit; font-weight: 400; padding: 11px 12px; border-radius: 8px;
  border: 1px solid var(--line); background: var(--bg); color: var(--text);
}
.form input:focus, .form select:focus, .form textarea:focus { outline: 2px solid var(--accent); border-color: transparent; }
.hint { font-size: .8rem; color: var(--muted); margin: 0; }

.foot { border-top: 1px solid var(--line); padding: 28px 0; color: var(--muted); font-size: .85rem; }
.foot-in { display: flex; gap: 24px; flex-wrap: wrap; justify-content: space-between; }

/* Telefon */
@media (max-width: 900px) {
  .hero-in, .contact { grid-template-columns: 1fr; }
  .grid, .steps { grid-template-columns: 1fr 1fr; }
  .plans { grid-template-columns: 1fr; max-width: 460px; margin: 0 auto; }
}
@media (max-width: 640px) {
  .menu-btn { display: block; }
  .nav {
    display: none; position: absolute; top: 64px; left: 0; right: 0; flex-direction: column;
    align-items: stretch; gap: 0; background: var(--bg); border-bottom: 1px solid var(--line); padding: 8px 20px 16px;
  }
  .nav.open { display: flex; }
  .nav a { padding: 10px 0; }
  .grid, .steps { grid-template-columns: 1fr; }
  .devs { grid-template-columns: 1fr; }
  .hero { padding: 48px 0; }
  .section { padding: 56px 0; }
}

/* Bardzo wąskie ekrany */
.hero-in > * { min-width: 0; }
.console-body { grid-template-columns: repeat(3, minmax(0, 1fr)); }
@media (max-width: 360px) {
  .console-body { padding: 12px; gap: 8px; }
  .kpi { padding: 8px; }
  .kpi b { font-size: 1.2rem; }
  .kpi em { display: block; margin: 0; }
}
.contact > * { min-width: 0; }
.contact-list a { overflow-wrap: anywhere; }
.plans { grid-template-columns: repeat(2, minmax(0, 1fr)); max-width: 820px; margin: 0 auto; }
@media (max-width: 900px) { .plans { grid-template-columns: 1fr; max-width: 460px; } }

/* Słowa z łącznikiem (VLAN-y, Wi-Fi) nie łamią się w środku */
.nw { white-space: nowrap; }

/* Dłuższe akapity wyjustowane; krótkie teksty w kartach i listach do lewej, bo w wąskich kolumnach justowanie robi dziury */
.lead, .sub, details p, .promo p {
  text-align: justify;
  hyphens: auto;
  -webkit-hyphens: auto;
}

/* Długa opcja w liście nie poszerza formularza */
.form, .form label, .form input, .form select, .form textarea { min-width: 0; max-width: 100%; }
.form select { width: 100%; }