:root{--line:rgba(118,255,232,.16);--line2:rgba(255,255,255,.08);--text:#e8f5f3;--muted:#9cb5b5;--dim:#6f8788;--accent:#36f3d2;--accent2:#7dfbe7;--shadow:0 24px 80px rgba(0,0,0,.45);--max:1160px;--radius:18px}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;background:radial-gradient(circle at 18% 5%,rgba(54,243,210,.12),transparent 30rem),radial-gradient(circle at 80% 8%,rgba(54,243,210,.08),transparent 28rem),linear-gradient(180deg,#061014 0%,#040b0e 100%);color:var(--text);line-height:1.6;min-height:100vh;display:flex;flex-direction:column}
body:before{content:"";position:fixed;inset:0;pointer-events:none;background-image:linear-gradient(rgba(54,243,210,.025) 1px,transparent 1px),linear-gradient(90deg,rgba(54,243,210,.025) 1px,transparent 1px);background-size:44px 44px;mask-image:linear-gradient(to bottom,black,transparent 70%);z-index:0}
a{color:inherit;text-decoration:none}
header,main,footer{position:relative;z-index:1}
main{flex:1}
.wrap{width:min(var(--max),calc(100% - 44px));margin:0 auto}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
header{position:sticky;top:0;z-index:30;backdrop-filter:blur(18px);background:rgba(4,12,15,.82);border-bottom:1px solid var(--line2)}
.nav{height:78px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.brand{display:flex;align-items:center;gap:14px;font-weight:900;letter-spacing:-.03em}
.brand-logo{width:46px;height:46px;object-fit:cover;border-radius:12px;border:1px solid rgba(54,243,210,.4);box-shadow:0 0 32px rgba(54,243,210,.12)}
.nav-end{display:flex;align-items:center;gap:16px}
nav.desktop-nav{display:flex;align-items:center;gap:30px;font-size:13px;font-weight:800;letter-spacing:.12em;text-transform:uppercase}
nav.desktop-nav a{color:var(--muted);transition:.2s}
nav.desktop-nav a:hover,nav.desktop-nav a[aria-current=page]{color:var(--accent)}
.menu-toggle{display:none;border:1px solid var(--line);background:rgba(255,255,255,.04);color:var(--text);border-radius:12px;width:44px;height:44px;cursor:pointer;font-size:20px;line-height:1}
.mobile-nav{display:none;position:fixed;inset:0;top:78px;z-index:25;background:rgba(4,12,15,.97);backdrop-filter:blur(12px);padding:28px 22px;border-top:1px solid var(--line2)}
.mobile-nav.open{display:flex;flex-direction:column;gap:8px}
.mobile-nav a{padding:16px 18px;border:1px solid var(--line2);border-radius:14px;font-weight:800;font-size:14px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.mobile-nav a:hover,.mobile-nav a[aria-current=page]{color:var(--accent);border-color:rgba(54,243,210,.35)}
.lang-switch{display:flex;gap:4px;padding:4px;border:1px solid var(--line);border-radius:999px;background:rgba(255,255,255,.03)}
.lang-switch button{border:0;color:var(--dim);background:transparent;padding:8px 12px;border-radius:999px;cursor:pointer;font-weight:900}
.lang-switch button.active{background:rgba(54,243,210,.13);color:var(--accent)}
.hero{padding:58px 0 48px}
.hero-banner{width:100%;display:block;border-radius:22px;border:1px solid rgba(54,243,210,.16);box-shadow:0 28px 90px rgba(0,0,0,.52),0 0 70px rgba(54,243,210,.08);margin-bottom:0}
.hero-divider{height:1px;margin:32px 0;background:linear-gradient(90deg,transparent,rgba(54,243,210,.35) 20%,rgba(54,243,210,.35) 80%,transparent);border:0}
.portal-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.portal-card{display:flex;flex-direction:column;min-height:220px;padding:28px;border:1px solid var(--line2);border-radius:var(--radius);background:linear-gradient(180deg,rgba(255,255,255,.045),rgba(255,255,255,.018));box-shadow:var(--shadow);transition:.2s}
.portal-card:hover{border-color:rgba(54,243,210,.45);transform:translateY(-2px)}
.portal-card .icon{font-size:26px;color:var(--accent);line-height:1;margin-bottom:14px}
.portal-card .arrow{margin-top:14px;color:var(--accent);font-size:22px;line-height:1}
.portal-card h2,.portal-card h3,.portal-card h2[data-lang],.portal-card h3[data-lang]{margin:0 0 12px;color:var(--accent);font-size:20px;letter-spacing:-.02em}
.portal-card p{margin:0;color:var(--muted);font-size:14px;flex:1;line-height:1.65}
.portal-card--static{min-height:0;cursor:default}
.portal-card--static:hover{transform:none;border-color:var(--line2)}
.portal-card .meta{margin-top:16px;padding-top:14px;border-top:1px solid var(--line2);font-size:12px;font-weight:800;letter-spacing:.06em;text-transform:uppercase;color:var(--dim)}
.under-construction{text-align:center;padding:56px 32px;border:1px solid var(--line2);border-radius:var(--radius);background:linear-gradient(180deg,rgba(255,255,255,.045),rgba(255,255,255,.018));box-shadow:var(--shadow);max-width:560px;margin:0 auto}
.under-construction .icon{font-size:32px;color:var(--accent);margin-bottom:16px;line-height:1}
.under-construction h2{margin:0 0 12px;color:var(--accent);font-size:22px;letter-spacing:-.02em}
.under-construction p{margin:0 0 28px;color:var(--muted);font-size:15px}
.back-link{display:inline-flex;align-items:center;gap:8px;padding:12px 22px;border:1px solid var(--line);border-radius:999px;font-weight:800;font-size:13px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);background:rgba(255,255,255,.03);transition:.2s}
.back-link:hover{color:var(--accent);border-color:rgba(54,243,210,.4)}
.page-prose{border:1px solid var(--line2);border-radius:var(--radius);background:linear-gradient(180deg,rgba(255,255,255,.045),rgba(255,255,255,.018));box-shadow:var(--shadow);padding:36px 40px 40px}
.page-prose .page-head{display:flex;align-items:center;gap:16px;margin-bottom:28px;padding-bottom:24px;border-bottom:1px solid var(--line2)}
.page-prose .page-head .icon{font-size:28px;color:var(--accent);line-height:1}
.page-prose .page-head h2,.about-intro .page-head h2,.page-prose .page-head h2[data-lang],.about-intro .page-head h2[data-lang]{margin:0;color:var(--accent);font-size:24px;letter-spacing:-.02em}
.page-prose .lead p{margin:0 0 18px;color:var(--text);font-size:17px;line-height:1.7}
.page-prose .lead p:last-child{margin-bottom:0}
.page-prose .lead .subtle{color:var(--muted);font-size:15px;line-height:1.65}
.about-intro{margin-bottom:28px;padding:36px 40px;border:1px solid var(--line2);border-radius:var(--radius);background:linear-gradient(180deg,rgba(255,255,255,.045),rgba(255,255,255,.018));box-shadow:var(--shadow)}
.about-cards{margin-bottom:28px}
.contact-email-wrap{text-align:center;margin:8px 0 0}
.contact-email-wrap .contact-email{margin:0}
.contact-email{display:inline-flex;align-items:center;gap:10px;margin-top:20px;font-size:16px;font-weight:600;color:var(--accent);text-decoration:none;transition:.2s}
.contact-email:hover{color:var(--text)}
.contact-email .icon{margin:0;font-size:20px;line-height:1;color:var(--accent)}
.contact-email:hover .icon{color:inherit}
.page-cta{text-align:center}
@media(max-width:950px){.page-prose{padding:28px 22px 32px}.about-intro{padding:28px 22px}}
footer{padding:34px 0 40px;color:var(--dim);text-align:center;border-top:1px solid var(--line2);font-size:13px}
.social-icons{display:flex;justify-content:center;gap:14px;margin-bottom:22px}
.social-link{width:48px;height:48px;display:grid;place-items:center;border:1px solid var(--line2);border-radius:14px;color:var(--muted);background:rgba(255,255,255,.03);transition:.2s}
.social-link svg{width:22px;height:22px;fill:currentColor}
.social-link:hover{color:var(--accent);border-color:rgba(54,243,210,.4);transform:translateY(-2px)}
[data-lang=pl]{display:none}
body.pl [data-lang=en]{display:none}
body.pl [data-lang=pl]{display:block}
body.pl nav a[data-lang=pl],body.pl .mobile-nav a[data-lang=pl]{display:block}
body.pl footer span[data-lang=pl]{display:inline}
@media(max-width:950px){
  nav.desktop-nav{display:none}
  .menu-toggle{display:inline-flex;align-items:center;justify-content:center}
  .portal-grid{grid-template-columns:1fr}
}