/* BASE: zmienne kolorów (ciemny), header, menu mobilne, stopka, przełączniki. Wspólne dla wszystkich stron. */
:root{--bg:#000;--surface:#0d0e12;--line:#23252c;--text:#f6f6f4;--muted:#a4a7b0;--navy:#1c3f72;--teal:#3a8d9f;--green:#59be98;--yellow:#f7c64c;--purple:#9b29ae;--g-bright:linear-gradient(100deg,var(--teal),var(--green) 55%,var(--yellow));--g-deep:linear-gradient(120deg,var(--navy),var(--purple));--g-deep-wide:linear-gradient(120deg,var(--navy) 0%,var(--purple) 50%,#2b6485 100%);--g-full:linear-gradient(100deg,var(--purple),var(--navy) 30%,var(--teal) 62%,var(--green) 85%,var(--yellow));--maxw:1160px}
html[data-theme="dark"]{color-scheme:dark}
body{transition:background-color .35s,color .35s}
.nav a[aria-current="page"]{color:var(--text)}
header{position:sticky;top:0;z-index:20;background:rgba(0,0,0,.8);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
header::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:2px;background:var(--g-full);opacity:.9}
.nav{display:flex;align-items:center;justify-content:space-between;height:72px}
.nav img{height:38px;width:auto}
.nav ul{display:flex;gap:30px;list-style:none;align-items:center}
.nav a{text-decoration:none;font-size:14px;font-weight:500;color:var(--muted);transition:color .2s}
.nav a:hover{color:var(--text)}
.nav .btn{padding:10px 20px;color:#000;font-size:14px}
.nav .btn:hover{color:#000}
.skip{position:absolute;left:-999px;top:8px;z-index:100;background:#fff;color:#000;padding:10px 16px;border-radius:8px;font-weight:600;text-decoration:none}
.skip:focus{left:8px}
.foot-brand .foot-partner{display:inline-block;opacity:.9;transition:transform .3s,opacity .3s}
.foot-brand .foot-partner:hover{transform:translateY(-3px);opacity:1}
.foot-brand .foot-partner img{max-height:56px;max-width:100%;width:auto;height:auto}
footer{position:relative;overflow:hidden;padding:80px 0 0;font-size:14px;color:var(--muted); background:radial-gradient(55% 45% at 50% 100%,rgba(58,141,159,.22),transparent 70%),radial-gradient(35% 40% at 88% 100%,rgba(155,41,174,.22),transparent 70%)}
footer::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:var(--g-full)}
.foot-grid{display:grid;grid-template-columns:1.7fr repeat(4,1fr);gap:32px;align-items:start}
.foot-brand{display:flex;flex-direction:column;align-items:flex-start;gap:22px}
.foot-brand img{display:block;width:auto;height:auto;max-width:100%;max-height:var(--footer-logo-h,240px)}
.foot-brand p{margin:0;font-size:15px;max-width:30ch}
.foot-title{font-size:14px;font-weight:600;color:var(--text);margin-bottom:18px;letter-spacing:0}
footer ul{list-style:none;display:flex;flex-direction:column;gap:11px}
footer a{text-decoration:none;transition:color .2s}
footer ul a:hover{color:var(--green)}
footer address{font-style:normal}
.foot-bottom{margin-top:64px;padding-top:24px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px 32px;font-size:13px}
.foot-bottom .legal-links{display:flex;gap:24px}
.foot-bottom a:hover{color:var(--text)}
.foot-mark{margin-top:36px;white-space:nowrap;text-align:center;font-weight:800;font-size:6.2vw;letter-spacing:-.04em;line-height:1;height:.86em;overflow:hidden;user-select:none;pointer-events:none; background:linear-gradient(100deg,var(--purple),var(--navy) 28%,var(--teal) 60%,var(--green) 82%,var(--yellow));-webkit-background-clip:text;background-clip:text;color:transparent;opacity:.6; -webkit-mask-image:linear-gradient(to bottom,#000 40%,transparent 100%);mask-image:linear-gradient(to bottom,#000 40%,transparent 100%)}
.nav ul li.tools{display:flex;align-items:center;gap:10px}
.tbtn{display:inline-flex;align-items:center;justify-content:center;height:38px;min-width:38px;padding:0 12px;border-radius:999px;border:1px solid var(--line);background:transparent;color:var(--text);font:600 13px/1 'Montserrat',system-ui,sans-serif;letter-spacing:.04em;cursor:pointer;transition:border-color .2s,transform .2s}
.tbtn:hover{border-color:var(--green);transform:translateY(-1px)}
.tbtn svg{width:18px;height:18px;display:block}
#theme-toggle{padding:0;width:38px}
#theme-toggle .i-moon{display:none}
@media (max-width:900px){.nav ul li:not(:last-child){display:none} .foot-grid{grid-template-columns:1fr 1fr;gap:36px 24px} .foot-brand{grid-column:1/-1} .foot-brand img{max-height:var(--footer-logo-h,160px)} .foot-mark{white-space:normal;font-size:13vw;height:1.85em}}
@media (max-width:900px){.nav ul li.tools:not(:last-child){display:flex} .nav ul{gap:10px}}
@media (max-width:480px){.nav img{height:30px} .nav .btn{padding:9px 14px;font-size:13px} .tbtn{height:34px;min-width:34px;padding:0 10px} #theme-toggle{width:34px;padding:0} .nav ul li.tools{gap:6px}}
header{padding-top:env(safe-area-inset-top)}
.burger{display:none;align-items:center;justify-content:center;flex:none;width:40px;height:40px;margin-left:8px;border-radius:50%;border:1px solid var(--line);background:transparent;color:var(--text);cursor:pointer;transition:border-color .2s}
.burger:hover{border-color:var(--green)}
.burger span,.burger span::before,.burger span::after{display:block;width:16px;height:2px;border-radius:2px;background:currentColor;position:relative;transition:transform .3s,top .3s,background .2s}
.burger span::before,.burger span::after{content:"";position:absolute;left:0}
.burger span::before{top:-5px}
.burger span::after{top:5px}
header.open .burger span{background:transparent}
header.open .burger span::before{top:0;transform:rotate(45deg)}
header.open .burger span::after{top:0;transform:rotate(-45deg)}
.mnav{display:none}
.mnav .mcta{display:none}
@media (max-width:900px){.burger{display:inline-flex} header.open .mnav{display:flex;flex-direction:column;border-top:1px solid var(--line);padding:6px 0 18px} .mnav a:not(.btn){padding:15px max(24px,env(safe-area-inset-left));font-size:17px;font-weight:600;color:var(--text);text-decoration:none;border-bottom:1px solid var(--line)} .mnav a:not(.btn):active{background:rgba(127,127,127,.12)}}
@media (min-width:601px) and (max-width:900px){.foot-grid{grid-template-columns:repeat(4,1fr)}}
@media (max-width:600px){.nav{height:64px} .nav ul li:last-child{display:none} .mnav .mcta{display:block;margin:16px max(20px,env(safe-area-inset-left)) 0;text-align:center;color:#000} .nav img{height:auto;max-height:30px;max-width:42vw;width:auto;object-fit:contain} footer{padding-top:56px;padding-bottom:env(safe-area-inset-bottom)} .foot-grid{gap:32px 20px} .foot-bottom{margin-top:40px;flex-direction:column;align-items:flex-start}}
@media (max-width:360px){.foot-grid{grid-template-columns:1fr}}

.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;padding:0;margin:-1px;}