/* Strona informacyjna — bez JavaScriptu i zewnętrznych zasobów (szybkość = SEO, prywatność = brak ciasteczek). */
:root {
  --bg: #070a10; --bg2: #0c111a; --card: #111826; --line: #1f2a3a;
  --text: #e2e8f0; --muted: #94a3b8; --sky: #38bdf8; --sky-d: #0ea5e9;
  --rose: #fb7185; --amber: #fbbf24; --violet: #c084fc; --green: #34d399;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 16px/1.65 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
a { color: var(--sky); }
img { max-width: 100%; }
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 20px; }
.muted { color: var(--muted); }
.small { font-size: 13px; }

/* nagłówek */
.top { position: sticky; top: 0; z-index: 10; background: rgba(7,10,16,.92); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
.top-in { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 60px; flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: 10px; color: #fff; text-decoration: none; font-weight: 800; letter-spacing: .04em; text-transform: uppercase; font-size: 14px; }
.nav { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; font-size: 14px; }
.nav a { color: var(--muted); text-decoration: none; }
.nav a:hover { color: #fff; }

/* przyciski */
.btn { display: inline-block; padding: 11px 20px; border-radius: 10px; font-weight: 700; text-decoration: none; font-size: 15px; }
.btn-primary { background: var(--sky-d); color: #03121c !important; }
.btn-primary:hover { background: var(--sky); }
.btn-ghost { border: 1px solid var(--line); color: var(--text) !important; padding: 7px 14px; font-size: 14px; }
.nav .btn-ghost { color: var(--text); }

/* sekcje */
section { padding: 64px 0; }
section + section { border-top: 1px solid var(--line); }
h1 { font-size: clamp(30px, 5vw, 50px); line-height: 1.12; margin: 0 0 18px; letter-spacing: -.02em; }
h2 { font-size: clamp(24px, 3.2vw, 32px); line-height: 1.2; margin: 0 0 14px; letter-spacing: -.01em; }
h3 { font-size: 18px; margin: 0 0 6px; }
.lead { font-size: 19px; color: #cbd5e1; max-width: 640px; }
.eyebrow { color: var(--sky); font-weight: 700; font-size: 13px; letter-spacing: .08em; text-transform: uppercase; margin: 0 0 10px; }
.cta { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 26px; align-items: center; }

.hero { padding-top: 72px; }
.hero-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items: center; }
@media (max-width: 860px) { .hero-grid { grid-template-columns: 1fr; } }

.grid { display: grid; gap: 18px; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); margin-top: 26px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 20px; }
.card p { margin: 0; color: var(--muted); font-size: 15px; }
.card h3 a { color: #fff; text-decoration: none; }
.card h3 a:hover { color: var(--sky); }
.tag { display: inline-block; font-size: 11px; font-weight: 800; text-transform: uppercase; letter-spacing: .06em; padding: 3px 8px; border-radius: 6px; border: 1px solid; margin-bottom: 10px; }
.t-crit { color: var(--rose); border-color: rgba(251,113,133,.35); background: rgba(251,113,133,.1); }
.t-rel { color: var(--amber); border-color: rgba(251,191,36,.35); background: rgba(251,191,36,.1); }
.t-rout { color: var(--sky); border-color: rgba(56,189,248,.35); background: rgba(56,189,248,.1); }
.t-bg { color: var(--violet); border-color: rgba(192,132,252,.35); background: rgba(192,132,252,.1); }

/* makieta strumienia (ilustracja bez obrazków) */
.mock { background: var(--bg2); border: 1px solid var(--line); border-radius: 18px; padding: 16px; box-shadow: 0 20px 60px rgba(14,165,233,.08); }
.mock-h { font-size: 11px; font-weight: 800; letter-spacing: .08em; color: var(--muted); text-transform: uppercase; margin: 10px 4px 8px; }
.ev { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 12px 14px; margin-bottom: 8px; }
.ev b { display: block; font-size: 15px; }
.ev span { font-size: 13px; color: var(--muted); }
.ev.hot { border-color: rgba(251,191,36,.45); background: rgba(251,191,36,.06); }
.ribbon { background: rgba(192,132,252,.1); border: 1px solid rgba(192,132,252,.3); color: #e9d5ff; border-radius: 12px; padding: 10px 14px; font-size: 13px; }

/* treść podstron */
.prose { max-width: 760px; }
.prose p, .prose li { color: #cbd5e1; }
.prose h2 { margin-top: 40px; }
.steps { counter-reset: s; list-style: none; padding: 0; }
.steps li { counter-increment: s; position: relative; padding-left: 44px; margin-bottom: 14px; }
.steps li::before { content: counter(s); position: absolute; left: 0; top: 0; width: 30px; height: 30px; border-radius: 50%; background: rgba(56,189,248,.15); color: var(--sky); font-weight: 800; display: grid; place-items: center; font-size: 14px; }
table { border-collapse: collapse; width: 100%; font-size: 15px; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--muted); font-weight: 600; }

/* FAQ bez JavaScriptu */
details { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 14px 18px; margin-bottom: 10px; }
summary { cursor: pointer; font-weight: 700; }
details p { color: #cbd5e1; margin: 10px 0 0; }

.band { background: linear-gradient(135deg, rgba(14,165,233,.14), rgba(192,132,252,.08)); border: 1px solid var(--line); border-radius: 18px; padding: 34px; text-align: center; }
.band .cta { justify-content: center; }

/* stopka */
.foot { border-top: 1px solid var(--line); padding: 40px 0 24px; margin-top: 40px; }
.foot-in { display: grid; grid-template-columns: 2fr 1.3fr 1fr; gap: 28px; }
.foot nav { display: flex; flex-direction: column; gap: 6px; font-size: 14px; }
.foot nav a { color: var(--muted); text-decoration: none; }
.foot nav a:hover { color: #fff; }
.brand-sm { font-weight: 800; margin: 0 0 6px; }
@media (max-width: 760px) { .foot-in { grid-template-columns: 1fr; } .nav { gap: 12px; } }