/* CyberNest, materialy edukacyjne. Kolory i krój z Brand Guidelines (Plus Jakarta Sans, #003664, #C82C15),
   uklad zgodny z projektem strony www (ciemny naglowek, jasne sekcje, karty). Fonty lokalnie, bez zewnetrznych zasobow. */
@font-face{font-family:"Plus Jakarta Sans";font-style:normal;font-weight:400;font-display:swap;src:url(/fonty/plus-jakarta-sans-latin-ext-400-normal.woff2) format("woff2");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:"Plus Jakarta Sans";font-style:normal;font-weight:400;font-display:swap;src:url(/fonty/plus-jakarta-sans-latin-400-normal.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"Plus Jakarta Sans";font-style:normal;font-weight:600;font-display:swap;src:url(/fonty/plus-jakarta-sans-latin-ext-600-normal.woff2) format("woff2");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:"Plus Jakarta Sans";font-style:normal;font-weight:600;font-display:swap;src:url(/fonty/plus-jakarta-sans-latin-600-normal.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"Plus Jakarta Sans";font-style:normal;font-weight:700;font-display:swap;src:url(/fonty/plus-jakarta-sans-latin-ext-700-normal.woff2) format("woff2");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:"Plus Jakarta Sans";font-style:normal;font-weight:700;font-display:swap;src:url(/fonty/plus-jakarta-sans-latin-700-normal.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"Plus Jakarta Sans";font-style:normal;font-weight:800;font-display:swap;src:url(/fonty/plus-jakarta-sans-latin-ext-800-normal.woff2) format("woff2");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:"Plus Jakarta Sans";font-style:normal;font-weight:800;font-display:swap;src:url(/fonty/plus-jakarta-sans-latin-800-normal.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}

:root{
  --granat:#003664; --czerwien:#C82C15; --grafit:#58595B;
  --noc:#050b18; --noc-2:#0b1a33; --niebieski:#2f6bff;
  --tekst:#14171f; --tekst-2:#4a4f5c; --jasne:#f4f6f9; --linia:#e3e7ee; --bialy:#ffffff;
  --promien:16px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"Plus Jakarta Sans",system-ui,-apple-system,"Segoe UI",Arial,sans-serif;color:var(--tekst);background:var(--bialy);line-height:1.6;font-size:17px;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto}
a{color:var(--granat)}
.wrap{max-width:1120px;margin:0 auto;padding:0 20px}
.waski{max-width:760px}

/* naglowek */
.gora{background:var(--noc);border-bottom:1px solid rgba(255,255,255,.08)}
.gora .wrap{display:flex;align-items:center;justify-content:space-between;height:72px}
.gora img{height:34px;width:auto;display:block}
.gora nav a{color:#c9d2e3;text-decoration:none;font-size:15px;margin-left:28px}
.gora nav a:hover{color:#fff}

/* hero */
.hero{background:radial-gradient(900px 520px at 85% 35%,rgba(47,107,255,.22),transparent 60%),radial-gradient(700px 400px at 10% 110%,rgba(200,44,21,.14),transparent 60%),var(--noc);color:#fff;padding:72px 0 88px}
.hero .siatka{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.etykieta{display:inline-block;font-size:13px;letter-spacing:.08em;text-transform:uppercase;color:#9fb3d9;margin-bottom:18px}
.hero h1{font-size:56px;line-height:1.05;font-weight:800;margin:0 0 22px;letter-spacing:-.02em}
.hero h1 span{color:#ff6a52}
.hero p.lead{font-size:19px;color:#d5dcea;margin:0 0 30px;max-width:560px}
.przyciski{display:flex;flex-wrap:wrap;gap:12px}
.btn{display:inline-flex;align-items:center;gap:10px;padding:14px 22px;border-radius:12px;font-weight:600;font-size:16px;text-decoration:none;transition:transform .15s ease,background .15s ease}
.btn:hover{transform:translateY(-1px)}
.btn-glowny{background:var(--niebieski);color:#fff}
.btn-glowny:hover{background:#2459dc}
.btn-obrys{border:1px solid rgba(255,255,255,.28);color:#fff}
.btn-obrys:hover{background:rgba(255,255,255,.06)}
.btn small{font-weight:400;opacity:.8}
.drobne{font-size:14px;color:#8d9bb8;margin-top:20px}
.plakat-ramka{background:#fff;border-radius:14px;padding:10px;box-shadow:0 30px 80px rgba(0,0,0,.45),0 0 0 1px rgba(255,255,255,.08);transform:rotate(1.2deg)}
.plakat-ramka img{display:block;border-radius:8px}

/* sekcje */
section{padding:80px 0}
.jasna{background:var(--jasne)}
h2{font-size:38px;line-height:1.15;font-weight:800;letter-spacing:-.015em;margin:0 0 18px;color:var(--tekst)}
.srodek{text-align:center}
.srodek .wprowadzenie{margin-left:auto;margin-right:auto}
.wprowadzenie{font-size:19px;color:var(--tekst-2);max-width:760px;margin:0 0 40px}
p{margin:0 0 16px}

/* list od autora */
.list{background:#fff;border:1px solid var(--linia);border-radius:var(--promien);padding:40px 44px;position:relative}
.list::before{content:"";position:absolute;left:0;top:28px;bottom:28px;width:4px;border-radius:0 4px 4px 0;background:var(--czerwien)}
.list p{font-size:18px;color:#2a2f3a}
.podpis{margin-top:24px;font-weight:700;color:var(--granat)}
.podpis span{display:block;font-weight:400;color:var(--tekst-2);font-size:15px}

/* kroki */
.kroki{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.krok{background:#fff;border:1px solid var(--linia);border-radius:var(--promien);padding:26px 24px}
.nr{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:50%;background:var(--granat);color:#fff;font-weight:800;margin-bottom:14px}
.krok h3{font-size:19px;margin:0 0 8px;color:var(--granat)}
.krok p{font-size:16px;color:var(--tekst-2);margin:0}
.ramka-uwagi{margin-top:28px;background:#fff;border:1px solid var(--linia);border-left:4px solid var(--czerwien);border-radius:12px;padding:20px 24px;font-size:17px}

/* pliki */
.pliki{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.plik{display:flex;flex-direction:column;justify-content:space-between;background:#fff;border:1px solid var(--linia);border-radius:var(--promien);padding:26px;text-decoration:none;color:inherit;transition:border-color .15s ease,box-shadow .15s ease}
.plik:hover{border-color:#b9c6dc;box-shadow:0 10px 30px rgba(0,54,100,.08)}
.plik h3{margin:0 0 6px;font-size:19px;color:var(--granat)}
.plik p{margin:0 0 18px;color:var(--tekst-2);font-size:16px}
.plik .meta{display:flex;justify-content:space-between;align-items:center;font-size:14px;color:var(--grafit)}
.plik .pobierz{font-weight:700;color:var(--niebieski)}
.glowny-plik{grid-column:1/-1;background:linear-gradient(135deg,#fff 0%,#f3f7ff 100%)}

/* jak pomoc */
.pomoc{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.pomoc div{padding:4px 0}
.pomoc h3{font-size:18px;margin:0 0 6px}
.pomoc p{font-size:16px;color:var(--tekst-2)}

/* sumy kontrolne */
details{background:#fff;border:1px solid var(--linia);border-radius:12px;padding:18px 22px}
summary{cursor:pointer;font-weight:700;color:var(--granat)}
details p{margin-top:12px;font-size:15px;color:var(--tekst-2)}
.sumy{width:100%;border-collapse:collapse;margin-top:6px}
.sumy td{padding:10px 8px;border-top:1px solid var(--linia);vertical-align:top;font-size:14px}
.sumy td:first-child{white-space:nowrap;padding-right:16px}
code{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:13px;word-break:break-all}

/* stopka */
.stopka{background:var(--noc);color:#9aa7c0;padding:44px 0;font-size:15px}
.stopka .wrap{display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap}
.stopka img{height:30px;width:auto;display:block;margin-bottom:10px}
.stopka a{color:#fff}

@media (max-width:900px){
  .hero .siatka{grid-template-columns:1fr;gap:40px}
  .hero h1{font-size:42px}
  .kroki,.pomoc,.pliki{grid-template-columns:1fr 1fr}
  .plakat-ramka{transform:none}
}
@media (max-width:640px){
  body{font-size:16px}
  .gora nav{display:none}
  .hero{padding:48px 0 60px}
  .hero h1{font-size:34px}
  h2{font-size:28px}
  section{padding:56px 0}
  .kroki,.pomoc,.pliki{grid-template-columns:1fr}
  .list{padding:28px 24px}
  .sumy td:first-child{white-space:normal}
}