[data-theme="light"]{
  --bg:#ECEEEC; --ink:#16191A; --ink-soft:#5C6360; --line:#D2D6D2;
  --accent:#0E8A6B;
  --row-fill:#16191A; --row-text:#ECEEEC;
  --nav-bg:rgba(236,238,236,.70);
  --glass-bg:rgba(255,255,255,.48); --glass-bd:rgba(22,25,26,.12);
  --panel-bg:linear-gradient(160deg,#142220,#0F1817);
  --panel-text:#E7ECEA; --panel-soft:#93A09A; --panel-accent:#5FD6B2;
  --brand-grad:linear-gradient(110deg,#0E8A6B,#3FA6A0,#7FB985);
  --blob-1:#6FB7A3; --blob-2:#8FA8C8; --blob-3:#CBB785; --blob-op:.32;
  --grain:.04;
}
[data-theme="dark"]{
  --bg:#0E1413; --ink:#E7ECEA; --ink-soft:#8B958F; --line:rgba(255,255,255,.10);
  --accent:#34D3A6;
  --row-fill:#E7ECEA; --row-text:#0E1413;
  --nav-bg:rgba(14,20,19,.62);
  --glass-bg:rgba(255,255,255,.06); --glass-bd:rgba(255,255,255,.14);
  --panel-bg:linear-gradient(160deg,#13211E,#0A1110);
  --panel-text:#E7ECEA; --panel-soft:#8B958F; --panel-accent:#5FD6B2;
  --brand-grad:linear-gradient(110deg,#34D3A6,#48C7C7,#7FD08A);
  --blob-1:#2C6B5C; --blob-2:#3B5172; --blob-3:#6E6240; --blob-op:.45;
  --grain:.06;
}

*{box-sizing:border-box;margin:0;padding:0;}
h1,h2,h3,h4,h5,h6{font-weight:inherit;font-size:inherit;}
html{scroll-behavior:smooth;}
body{
  background:var(--bg); color:var(--ink);
  font-family:'Hanken Grotesk',sans-serif;
  -webkit-font-smoothing:antialiased; overflow-x:hidden;
  transition:background .4s ease, color .4s ease;
}
.display{font-family:'Syne',sans-serif;font-weight:800;line-height:.92;letter-spacing:-0.02em;}
.wrap{max-width:1300px;margin-inline:auto;padding-inline:28px;}
.eyebrow{font-size:.72rem;font-weight:600;letter-spacing:.28em;text-transform:uppercase;}
a{color:inherit;text-decoration:none;}
::selection{background:var(--accent);color:#fff;}

/* ---- SOFT BLURRED BACKGROUND ---- */
.bg-soft{position:fixed;inset:0;z-index:-3;overflow:hidden;pointer-events:none;}
.bg-soft .blob{position:absolute;border-radius:50%;filter:blur(130px);opacity:var(--blob-op);will-change:transform;}
.blob.x1{background:var(--blob-1);width:52vw;height:52vw;top:-12vw;left:-10vw;animation:float1 34s ease-in-out infinite;}
.blob.x2{background:var(--blob-2);width:46vw;height:46vw;bottom:-14vw;right:-8vw;animation:float2 40s ease-in-out infinite;}
.blob.x3{background:var(--blob-3);width:40vw;height:40vw;top:42vh;left:44vw;opacity:calc(var(--blob-op) * .7);animation:float3 46s ease-in-out infinite;}
@keyframes float1{0%,100%{transform:translate(0,0);}50%{transform:translate(4vw,3vw);}}
@keyframes float2{0%,100%{transform:translate(0,0);}50%{transform:translate(-3vw,-4vw);}}
@keyframes float3{0%,100%{transform:translate(0,0);}50%{transform:translate(-4vw,4vw);}}

.grain-l{position:fixed;inset:0;z-index:1;pointer-events:none;opacity:var(--grain);mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");}

/* ---- NAV ---- */
.nav{position:sticky;top:0;z-index:50;background:var(--nav-bg);
     backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--line);}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:70px;}
.brand{display:flex;align-items:center;font-family:'Syne',sans-serif;font-weight:800;font-size:1.15rem;}
.brand .gt{background:var(--brand-grad);-webkit-background-clip:text;background-clip:text;color:transparent;}
.navlinks{display:flex;gap:2rem;align-items:center;}
.navlink{font-size:.8rem;font-weight:500;color:var(--ink-soft);transition:color .2s;position:relative;text-transform: uppercase;letter-spacing: 1.6px;}
.navlink::after{content:"";position:absolute;left:0;bottom:-5px;width:0;height:2px;background:var(--accent);transition:width .25s;}
.navlink:hover{color:var(--ink);}
.navlink:hover::after{width:100%;}

.toggle{display:inline-flex;align-items:center;gap:.4rem;cursor:pointer;
  background:var(--glass-bg);border:1px solid var(--glass-bd);border-radius:999px;
  padding:6px;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);transition:border-color .2s;}
.toggle:hover{border-color:var(--accent);}
.toggle span{width:28px;height:28px;border-radius:999px;display:grid;place-items:center;transition:background .25s,color .25s;color:var(--ink-soft);}
[data-theme="light"] .toggle .sun{background:var(--accent);color:#fff;}
[data-theme="dark"] .toggle .moon{background:var(--accent);color:#0E1413;}
.toggle svg{width:15px;height:15px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;}

/* ---- HERO ---- */
.hero{padding-top:8vh;padding-bottom:5vh;}
.chip{display:inline-flex;align-items:center;gap:.5rem;font-size:.82rem;font-weight:500;
  background:var(--glass-bg);border:1px solid var(--glass-bd);border-radius:999px;padding:8px 14px;
  backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);margin-bottom:2.2rem;}
.chip .dot{width:8px;height:8px;border-radius:999px;background:#22C55E;box-shadow:0 0 0 0 rgba(34,197,94,.5);animation:pulse 2s infinite;}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(34,197,94,.5);}70%{box-shadow:0 0 0 8px rgba(34,197,94,0);}100%{box-shadow:0 0 0 0 rgba(34,197,94,0);}}
.h-line{overflow:hidden;}
.h-inner{display:inline-block;transform:translateY(110%);animation:rise .9s cubic-bezier(.2,.8,.2,1) forwards;}
.h-line:nth-child(1) .h-inner{animation-delay:.05s;}
.h-line:nth-child(3) .h-inner{animation-delay:.16s;}
.h-line:nth-child(5) .h-inner{animation-delay:.27s;}
@keyframes rise{to{transform:translateY(0);}}
.hero h1{font-size:clamp(3rem,11.5vw,10.5rem);}
.morph{display:inline-block;background:var(--brand-grad);background-size:200% 100%;
  -webkit-background-clip:text;background-clip:text;color:transparent;animation:shimmer 6s linear infinite;}
@keyframes shimmer{to{background-position:200% 0;}}
.accent{color:var(--accent);}
.lead{max-width:48ch;font-size:1.15rem;line-height:1.6;color:var(--ink-soft);}
.arrow-link{display:inline-flex;align-items:center;gap:.6rem;font-weight:600;
  border-bottom:2px solid var(--ink);padding-bottom:3px;transition:color .2s,border-color .2s,gap .2s;}
.arrow-link:hover{color:var(--accent);border-color:var(--accent);gap:1rem;}

/* ---- MARQUEE ---- */
.marquee{border-top:1px solid var(--line);border-bottom:1px solid var(--line);overflow:hidden;padding:18px 0;}
.mtrack{display:flex;white-space:nowrap;width:max-content;animation:scroll 30s linear infinite;}
.mtrack span{font-family:'Syne',sans-serif;font-weight:700;font-size:1.6rem;padding:0 2rem;display:inline-flex;align-items:center;gap:2rem;}
.mtrack span::after{content:"◦";color:var(--accent);}
@keyframes scroll{to{transform:translateX(-50%);}}
.marquee:hover .mtrack{animation-play-state:paused;}

/* ---- SECTION HEAD ---- */
.sec-head{display:flex;align-items:baseline;gap:1rem;border-bottom:1px solid var(--ink);padding-bottom:14px;margin-bottom:8px;}
.sec-head .num{font-family:'Syne',sans-serif;font-weight:700;font-size:.85rem;
  background:var(--brand-grad);-webkit-background-clip:text;background-clip:text;color:transparent;}
.sec-head .lbl{font-size:.85rem;letter-spacing:.2em;text-transform:uppercase;color:var(--ink-soft);font-weight:500;}

/* ---- WORK LIST ---- */
.work-row{display:grid;grid-template-columns:48px 1fr auto;gap:1.5rem;align-items:center;
          padding:2.2rem 1rem;border-bottom:1px solid var(--line);position:relative;transition:padding-left .3s,color .3s;z-index:0;}
.work-row::before{content:"";position:absolute;left:0;top:0;height:100%;width:0;background:var(--row-fill);transition:width .35s;z-index:-1;border-radius:2px;}
.work-row:hover{padding-left:2rem;color:var(--row-text);}
.work-row:hover::before{width:100%;}
.work-row:hover .w-idx,.work-row:hover .w-cat{color:var(--row-text);opacity:.75;}
.work-row:hover .w-arrow{color:var(--accent);transform:translate(6px,-6px);}
.w-idx{font-family:'Syne',sans-serif;font-weight:700;font-size:.9rem;color:var(--ink-soft);transition:color .3s;}
.w-title{font-family:'Syne',sans-serif;font-weight:700;font-size:clamp(1.5rem,4vw,2.6rem);line-height:1.05;}
.w-cat{display:block;font-size:.85rem;color:var(--ink-soft);margin-top:.4rem;font-weight:500;transition:color .3s;}
.w-arrow{font-size:1.6rem;transition:transform .3s,color .3s;}

/* ---- SERVICES ---- */
.svc{padding:3rem 0;border-bottom:1px solid var(--line);display:grid;grid-template-columns:80px 1fr;gap:2rem;align-items:start;}
.svc .s-num{font-family:'Syne',sans-serif;font-weight:800;font-size:2.2rem;
  background:var(--brand-grad);-webkit-background-clip:text;background-clip:text;color:transparent;}
.svc h3{font-family:'Syne',sans-serif;font-weight:700;font-size:1.9rem;margin-bottom:.6rem;}
.svc p{max-width:60ch;color:var(--ink-soft);line-height:1.6;}

/* ---- PANEL (O MNIE) ---- */
.band{background:var(--panel-bg);color:var(--panel-text);position:relative;overflow:hidden;}
.band::before{content:"";position:absolute;top:-20%;right:-10%;width:50vw;height:50vw;pointer-events:none;
  background:radial-gradient(circle,color-mix(in srgb,var(--panel-accent) 22%,transparent),transparent 60%);filter:blur(40px);}
.band .quote{font-family:'Syne',sans-serif;font-weight:700;font-size:clamp(1.8rem,5vw,3.6rem);line-height:1.12;letter-spacing:-0.01em;position:relative;}
.band .sub{color:var(--panel-soft);max-width:60ch;line-height:1.7;position:relative;}
.band .stat .n{font-family:'Syne',sans-serif;font-weight:800;font-size:3rem;}
.band .stat .l{color:var(--panel-soft);font-size:.85rem;margin-top:.3rem;}

/* ---- SECTION PADDING ---- */
#praca, #uslugi, #o-mnie .wrap, .contact { padding-top:8vh; padding-bottom:5vh; }

/* ---- CONTACT ---- */
.contact h2{font-size:clamp(2rem,8vw,9rem);}

.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease;}
.reveal.in{opacity:1;transform:none;}

footer .wrap{display:flex;flex-wrap:wrap;justify-content:space-between;gap:1rem;
             padding-top:2rem;padding-bottom:2rem;border-top:1px solid var(--line);
             font-size:.85rem;color:var(--ink-soft);}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  .h-inner,.mtrack,.morph,.chip .dot,.blob{animation:none;transform:none;}
  .reveal{opacity:1 !important;transform:none !important;transition:none;}
  .work-row,.w-arrow{transition:none;}
}
.hide-mobile{display:flex;}
@media (max-width:820px){
  .hide-mobile{display:none;}
  .work-row{grid-template-columns:32px 1fr;}
  .w-arrow{display:none;}
  .svc{grid-template-columns:1fr;gap:.6rem;}
}

/* ---- CASE STUDY ---- */
.cs-back{display:inline-flex;align-items:center;gap:.5rem;font-size:.88rem;font-weight:500;
  color:var(--ink-soft);margin-bottom:2.5rem;transition:color .2s;}
.cs-back:hover{color:var(--accent);}
.cs-hero{padding-top:8vh;padding-bottom:5vh;}
.cs-hero h1{font-size:clamp(1.8rem,6.5vw,5.5rem);margin-top:.8rem;margin-bottom:1.5rem;}
.cs-tag-row{display:flex;flex-wrap:wrap;gap:.5rem;margin-bottom:1.8rem;}
.cs-tag{font-size:.75rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;
  background:var(--glass-bg);border:1px solid var(--glass-bd);border-radius:999px;padding:5px 13px;}
.cs-body{padding-top:8vh;padding-bottom:5vh;display:grid;grid-template-columns:1fr 300px;gap:5rem;align-items:start;}
.cs-main{min-width:0;}
.cs-block{margin-bottom:3.5rem;}
.cs-block:last-child{margin-bottom:0;}
.cs-block h2{font-family:'Syne',sans-serif;font-weight:700;font-size:.82rem;letter-spacing:.2em;
  text-transform:uppercase;color:var(--ink-soft);margin-bottom:1rem;padding-bottom:.7rem;border-bottom:1px solid var(--line);}
.cs-block p{color:var(--ink-soft);line-height:1.8;font-size:1.05rem;}
.cs-aside{position:sticky;top:90px;}
.cs-meta{border-bottom:1px solid var(--line);padding:1.2rem 0;}
.cs-meta:first-child{border-top:1px solid var(--line);}
.cs-meta-lbl{font-size:.7rem;font-weight:600;letter-spacing:.2em;text-transform:uppercase;color:var(--ink-soft);margin-bottom:.45rem;}
.cs-meta-val{font-size:.92rem;font-weight:500;line-height:1.5;}
.cs-tech{display:flex;flex-wrap:wrap;gap:.35rem;margin-top:.5rem;}
.cs-tech span{font-size:.75rem;font-weight:600;background:var(--glass-bg);border:1px solid var(--glass-bd);border-radius:5px;padding:3px 9px;}
.cs-live{display:flex;align-items:center;justify-content:center;gap:.6rem;font-weight:600;font-size:.92rem;
  background:var(--accent);color:#fff;border-radius:8px;padding:13px 20px;margin-top:1.8rem;transition:opacity .2s;}
.cs-live:hover{opacity:.82;}
.cs-next{border-top:1px solid var(--line);padding:4rem 0 5rem;}
.cs-next-lbl{font-size:.72rem;font-weight:600;letter-spacing:.22em;text-transform:uppercase;
  color:var(--ink-soft);margin-bottom:1.2rem;}
.cs-next-link{font-family:'Syne',sans-serif;font-weight:700;font-size:clamp(1.8rem,4vw,3.2rem);
  display:inline-flex;align-items:center;gap:.8rem;transition:color .2s;}
.cs-next-link:hover{color:var(--accent);}
@media (max-width:820px){
  .cs-body{grid-template-columns:1fr;}
  .cs-aside{position:static;margin-top:3rem;}
}