/* ==========================================================================
   Xonofilius — portfolio v3 · app.css
   Kierunek: Swiss/Functional + Editorial. Ciemne tło, fiolet + cyjan.
   ========================================================================== */

/* ---------- 1. Tokeny ---------- */
:root{
  --bg:#0a0a0f; --bg2:#13131c; --bg3:#1b1b27;
  --card:#13131c; --card-hi:#181824;
  --line:#262636; --line2:#3a3a52; --field:#6e6c80;
  --tx:#f2f1f7; --mut:#a8a6b8; --mut2:#6e6c80;
  --acc:#8b5cf6; --acc-hi:#a78bfa; --acc-btn:#7c3aed; --acc2:#22d3ee;
  --ok:#34d399; --warn:#fbbf24; --err:#f87171;
  --r:14px; --r-sm:10px; --r-lg:20px;
  --ease:cubic-bezier(.2,.8,.2,1); --ease-in:cubic-bezier(.4,0,1,1);
  --font:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --display:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --mono:ui-monospace,"SFMono-Regular","Cascadia Code","JetBrains Mono",Menlo,Consolas,monospace;
  --max:1160px; --pad:clamp(18px,5vw,40px); --sec:clamp(64px,9vw,128px);
}
.light{
  --bg:#fafafc; --bg2:#ffffff; --bg3:#f0eff5; --card:#ffffff; --card-hi:#f6f5fa;
  --line:#e3e2ea; --line2:#cfcdd9; --field:#77758a;
  --tx:#14131c; --mut:#4d4b5e; --mut2:#77758a;
  --acc:#7c3aed; --acc-hi:#6d28d9; --acc-btn:#7c3aed; --acc2:#0e7490;
}

/* ---------- 2. Reset i baza ---------- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%;scroll-padding-top:88px}
body{background:var(--bg);color:var(--tx);font:16px/1.6 var(--font);min-height:100vh;min-height:100dvh;display:flex;flex-direction:column;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img,svg{display:block;max-width:100%}
ul,ol{list-style:none}
button,input,textarea{font:inherit;color:inherit}
button{cursor:pointer;background:none;border:0}
h1,h2,h3{font-family:var(--display);text-wrap:balance;letter-spacing:-.03em;line-height:1.1}
p{text-wrap:pretty}
:focus-visible{outline:2px solid var(--acc2);outline-offset:3px;border-radius:6px}
::selection{background:rgba(139,92,246,.45)}
.sr{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums}
.ic{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.75;stroke-linecap:round;stroke-linejoin:round;flex:none}

/* skip-link */
.skip{position:fixed;left:16px;top:-60px;z-index:100;padding:10px 16px;border-radius:var(--r-sm);background:var(--acc-btn);color:#fff;font-weight:600;transition:top .2s var(--ease)}
.skip:focus{top:12px}

/* ---------- 3. Tło (orby + siatka) ---------- */
.bg{position:fixed;inset:0;z-index:-1;overflow:hidden;pointer-events:none}
.orb{position:absolute;border-radius:50%;filter:blur(90px);opacity:.28;animation:float 18s ease-in-out infinite alternate}
.o1{width:520px;height:520px;background:var(--acc);top:-180px;left:-140px}
.o2{width:460px;height:460px;background:var(--acc2);bottom:-200px;right:-160px;opacity:.12;animation-delay:-9s}
.grid{position:absolute;inset:0;background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:56px 56px;mask-image:radial-gradient(ellipse at 50% 20%,#000 10%,transparent 70%);-webkit-mask-image:radial-gradient(ellipse at 50% 20%,#000 10%,transparent 70%);opacity:.45}
@keyframes float{to{transform:translate(80px,60px) scale(1.1)}}

/* ---------- 4. Nawigacja ---------- */
.nav{position:sticky;top:0;z-index:30;background:rgba(10,10,15,.72);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.nav-in{max-width:calc(var(--max) + 2 * var(--pad));margin:0 auto;display:flex;align-items:center;gap:24px;padding:12px var(--pad);min-height:64px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;letter-spacing:.01em;border-radius:999px}
.brand img{width:36px;height:36px;border-radius:50%;box-shadow:0 0 0 2px rgba(139,92,246,.5)}
.links{margin-left:auto;display:flex;align-items:center;gap:4px}
.links a{position:relative;padding:8px 12px;border-radius:var(--r-sm);color:var(--mut);font:500 13px var(--mono);text-transform:uppercase;letter-spacing:.08em;transition:color .2s,background .2s}
.links a:hover{color:var(--tx);background:var(--bg2)}
.links a.on{color:var(--tx)}
.links a.on::after{content:"";position:absolute;left:12px;right:12px;bottom:3px;height:2px;border-radius:2px;background:var(--acc)}
.links .lang{border:1px solid var(--line2);margin-left:8px;color:var(--tx)}
.burger{display:none;margin-left:auto;width:44px;height:44px;position:relative;border-radius:var(--r-sm)}
.burger span{position:absolute;left:11px;right:11px;height:2px;background:var(--tx);border-radius:2px;transition:transform .25s var(--ease),top .25s var(--ease)}
.burger span:first-child{top:17px}
.burger span:last-child{top:25px}
.burger[aria-expanded=true] span:first-child{top:21px;transform:rotate(45deg)}
.burger[aria-expanded=true] span:last-child{top:21px;transform:rotate(-45deg)}

/* ---------- 5. Układ i typografia ---------- */
main{flex:1;width:100%;max-width:calc(var(--max) + 2 * var(--pad));margin:0 auto;padding:clamp(28px,5vw,64px) var(--pad) var(--sec);outline:0}
/* siatka nie może być bezpośrednim dzieckiem main (flex + margin:auto daje szerokość treści) */
.page{display:block;width:100%}
/* zrzut z automatu/ukryta karta nie dostaje animacji z opacity:0 — strona musi być widoczna także bez ruchu */
.page{animation:pageIn .32s var(--ease) both}
.page.still{animation:none}
.page.out{animation:pageOut .18s var(--ease-in) both}
@keyframes pageIn{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}
@keyframes pageOut{to{opacity:0;transform:translateY(-8px)}}
.rv{opacity:1;transform:none}
.js .rv{opacity:0;transform:translateY(16px);transition:opacity .32s var(--ease) var(--d,0ms),transform .32s var(--ease) var(--d,0ms)}
.js .rv.in{opacity:1;transform:none}

h1{font-size:clamp(40px,6.6vw,80px);font-weight:800;line-height:1.02}
h2{font-size:clamp(28px,3.6vw,44px);font-weight:750}
h3{font-size:19px;font-weight:700;letter-spacing:-.015em;line-height:1.25}
.lead{color:var(--mut);font-size:clamp(17px,1.6vw,19px);max-width:60ch;margin-top:20px}
.grad{background:linear-gradient(100deg,var(--tx) 0%,var(--acc-hi) 55%,var(--acc) 100%);-webkit-background-clip:text;background-clip:text;color:transparent}
.kicker{display:flex;align-items:center;gap:10px;font:500 12px/1.4 var(--mono);text-transform:uppercase;letter-spacing:.08em;color:var(--acc2);margin-bottom:14px}
.kicker .idx{color:var(--mut);padding-right:10px;border-right:1px solid var(--line2)}

.sec{margin-top:var(--sec)}
.sec-tight{margin-top:40px}
.sec-head{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;margin-bottom:32px;padding-top:24px;border-top:1px solid var(--line)}
.sec-sub{color:var(--mut);margin-top:10px;max-width:60ch}
.page-head{max-width:820px}

/* ---------- 6. Przyciski i chipy ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:46px;padding:11px 20px;border-radius:var(--r-sm);font-weight:600;border:1px solid var(--line2);background:var(--bg2);white-space:nowrap;transition:transform .2s var(--ease),border-color .2s,background .2s}
.btn:hover{transform:translateY(-2px);border-color:var(--acc)}
.btn .ic{width:18px;height:18px;transition:transform .2s var(--ease)}
.btn:hover .ic{transform:translateX(3px)}
.btn.pri{background:var(--acc-btn);border-color:transparent;color:#fff}
.btn.pri:hover{background:#6d28d9}
.btn.pill{border-radius:999px;padding-inline:24px}
.btn:disabled{opacity:.7;cursor:progress;transform:none}

.tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:16px}
.tag{font:12px var(--mono);padding:3px 9px;border-radius:999px;border:1px solid var(--line2);color:var(--mut)}
.chips{display:flex;flex-wrap:wrap;gap:10px}
.chip{padding:9px 16px;border-radius:var(--r-sm);background:var(--card);border:1px solid var(--line);font-size:15px}

/* ---------- 7. Hero ---------- */
.hero{display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center;min-height:min(70vh,680px)}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font:500 12px var(--mono);color:var(--acc2);letter-spacing:.08em;text-transform:uppercase;margin-bottom:22px;padding:6px 12px;border:1px solid var(--line2);border-radius:999px;background:var(--bg2)}
.eyebrow i{width:8px;height:8px;border-radius:50%;background:var(--ok);animation:ping 2s infinite}
@keyframes ping{0%{box-shadow:0 0 0 0 rgba(52,211,153,.6)}70%,100%{box-shadow:0 0 0 10px rgba(52,211,153,0)}}
.cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}
.hero-art{position:relative;justify-self:center}
.hero-art::before{content:"";position:absolute;inset:12% 6% 4%;border-radius:50%;background:radial-gradient(circle,rgba(139,92,246,.42),transparent 65%);filter:blur(20px)}
.hero-art img{position:relative;height:min(62vh,540px);width:auto;aspect-ratio:683/900;animation:bob 6s ease-in-out infinite;filter:drop-shadow(0 30px 40px rgba(0,0,0,.55))}
@keyframes bob{50%{transform:translateY(-10px)}}

.strip{margin-top:48px;padding:18px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);display:flex;align-items:center;gap:24px}
.strip .kicker{margin:0;flex:none;color:var(--mut)}
.strip-list{display:flex;flex-wrap:wrap;gap:6px 22px}
.strip-list li{font:600 15px var(--display);color:var(--tx);letter-spacing:-.01em;opacity:.85}

/* ---------- 8. Metryki ---------- */
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.stat{display:flex;flex-direction:column;padding:26px;border-radius:var(--r);background:var(--card);border:1px solid var(--line)}
.stat dt{order:2;color:var(--mut);font-size:15px;margin-top:4px}
.stat dd{order:1;display:flex;flex-wrap:wrap;align-items:baseline;gap:4px 10px}
.stat .num{font:800 clamp(44px,5.4vw,64px)/1 var(--display);letter-spacing:-.04em;font-variant-numeric:tabular-nums;min-width:2ch}
.stat .unit{font-size:18px;font-weight:600}
.stat small{flex-basis:100%;font-size:12px;color:var(--acc2);letter-spacing:.04em;margin-top:6px}

/* ---------- 9. Projekty (filtr + mozaika) ---------- */
.filter-row{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px 20px;margin-bottom:22px}
.filter{display:flex;flex-wrap:wrap;gap:8px}
.chip-btn{min-height:40px;padding:8px 16px;border-radius:999px;border:1px solid var(--line2);background:var(--bg2);color:var(--mut);font:500 13px var(--mono);letter-spacing:.04em;transition:color .2s,border-color .2s,background .2s}
.chip-btn:hover{color:var(--tx);border-color:var(--acc)}
.chip-btn[aria-pressed=true]{background:var(--tx);color:var(--bg);border-color:var(--tx)}
.filter-status{font-size:12px;color:var(--mut);letter-spacing:.06em;text-transform:uppercase}
.pgrid{display:grid;grid-template-columns:repeat(3,1fr);grid-auto-flow:dense;gap:16px}
.pcard{position:relative;display:flex;flex-direction:column;padding:24px;border-radius:var(--r);background:var(--card);border:1px solid var(--line);transition:transform .25s var(--ease),border-color .25s,background .25s,opacity .32s var(--ease) var(--d,0ms)}
.pcard:hover{transform:translateY(-3px);border-color:rgba(139,92,246,.55);background:var(--card-hi)}
.pcard[hidden]{display:none}
.pcard.is-featured{grid-column:span 2}
.pcard.is-featured h3{font-size:clamp(22px,2.2vw,28px)}
.pcard-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:18px}
.pic{display:grid;place-items:center;width:46px;height:46px;border-radius:var(--r-sm);background:var(--bg3);border:1px solid var(--line);color:var(--acc-hi)}
.pic .ic{width:22px;height:22px}
.pmeta{font-size:12px;color:var(--mut);letter-spacing:.06em;text-transform:uppercase}
.pcard h3{margin-bottom:8px}
.pcard p{color:var(--mut);font-size:15px;max-width:60ch}
.pcard .tags{margin-top:auto;padding-top:16px}
.badge{align-self:flex-start;margin-top:12px;font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--acc2)!important;border:1px solid var(--line2);padding:2px 8px;border-radius:6px}
.plink{display:inline-flex;align-items:center;gap:6px;margin-top:14px;color:var(--acc-hi);font-weight:600}
.empty{color:var(--mut);padding:24px;border:1px dashed var(--line2);border-radius:var(--r)}
.private-note{margin-top:22px;color:var(--mut);font:14px var(--mono)}

/* ---------- 10. Proces / zasady ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line)}
.steps-3{grid-template-columns:repeat(3,1fr)}
.step,.principle{padding:24px 24px 8px 0;border-right:1px solid var(--line);margin-right:24px}
.step:last-child,.principle:last-child{border-right:0;margin-right:0}
.step-n{display:block;font-size:13px;color:var(--acc2);letter-spacing:.08em;margin-bottom:28px}
.step h3,.principle h3{margin-bottom:8px}
.step p,.principle p{color:var(--mut);font-size:15px}

/* ---------- 11. Usługi ---------- */
.svc-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.svc-mini{padding:22px;border-radius:var(--r);background:var(--card);border:1px solid var(--line)}
.svc-ic{width:26px;height:26px;color:var(--acc-hi);margin-bottom:18px}
.svc-mini h3{font-size:17px;margin-bottom:6px}
.svc-mini p{color:var(--mut);font-size:15px}
.svc-list{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-top:48px}
.svc{padding:clamp(22px,3vw,32px);border-radius:var(--r-lg);background:var(--card);border:1px solid var(--line)}
.svc-top{display:flex;justify-content:space-between;align-items:flex-start;gap:12px}
.svc .label{font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--acc2);border:1px solid var(--line2);padding:4px 10px;border-radius:999px;white-space:nowrap}
.svc h2{font-size:clamp(22px,2.4vw,28px);margin-bottom:10px}
.svc>p{color:var(--mut)}
.svc .kicker{margin:22px 0 10px;color:var(--mut);font-family:var(--mono)}
.checks{display:grid;gap:8px}
.checks li{position:relative;padding-left:22px;font-size:15px}
.checks li::before{content:"";position:absolute;left:2px;top:.62em;width:10px;height:2px;background:var(--acc)}

/* ---------- 12. Aktualności ---------- */
.news{display:grid;border-top:1px solid var(--line)}
.news li{display:grid;grid-template-columns:140px 1fr;gap:20px;padding:18px 0;border-bottom:1px solid var(--line)}
.news time{font-size:13px;color:var(--acc2);padding-top:2px}
.news p{max-width:65ch}

/* ---------- 13. CTA końcowe ---------- */
.cta-final{padding:clamp(36px,6vw,80px);border-radius:var(--r-lg);background:linear-gradient(160deg,rgba(139,92,246,.16),rgba(19,19,28,.9) 60%);border:1px solid var(--line2)}
.cta-final h2{font-size:clamp(32px,5vw,60px);max-width:18ch}
.cta-final .lead{margin-bottom:32px}

/* ---------- 14. Piszę / wpis ---------- */
.posts{margin-top:48px;border-top:1px solid var(--line)}
.post-item{position:relative;display:grid;gap:8px;padding:28px 0;border-bottom:1px solid var(--line)}
.post-item h2{font-size:clamp(22px,2.6vw,30px)}
.post-item h2 a::after{content:"";position:absolute;inset:0}
.post-item h2 a:focus-visible{outline:0}
.post-item:focus-within{outline:2px solid var(--acc2);outline-offset:6px;border-radius:6px}
.post-item p{color:var(--mut);max-width:65ch}
.post-item .more{display:inline-flex;align-items:center;gap:6px;font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--acc-hi)}
.post-item:hover h2{color:var(--acc-hi)}
.post-meta{display:flex;flex-wrap:wrap;gap:6px 16px;font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--mut)}
.post-meta time{color:var(--acc2)}
.post{max-width:72ch}
.post h1{font-size:clamp(34px,5vw,58px);margin-top:14px}
.back{display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--mut);margin-bottom:28px}
.back:hover{color:var(--tx)}
.back .ic{width:16px;height:16px}
.soon{margin-top:36px;padding:20px 24px;border-radius:var(--r);border:1px dashed var(--line2);color:var(--mut);font-family:var(--mono);font-size:14px}
.prose{margin-top:40px;font-size:18px;line-height:1.7}
.prose>*+*{margin-top:1.1em}
.prose h2{font-size:28px;margin-top:1.8em}
.prose h3{font-size:21px;margin-top:1.5em}
.prose h4{font-size:18px;margin-top:1.3em}
.prose ul{list-style:disc;padding-left:1.3em}
.prose a{color:var(--acc-hi);text-decoration:underline;text-underline-offset:3px}
.prose code{font:.88em var(--mono);background:var(--bg3);padding:2px 6px;border-radius:6px}
.prose pre{background:var(--bg2);border:1px solid var(--line);border-radius:var(--r);padding:18px;overflow-x:auto}
.prose pre code{background:none;padding:0;font-size:14px}

/* ---------- 15. O mnie ---------- */
.about{display:grid;grid-template-columns:300px 1fr;gap:56px;align-items:start}
.about-pic{position:sticky;top:100px;border-radius:var(--r-lg);background:linear-gradient(160deg,rgba(139,92,246,.22),rgba(34,211,238,.06));border:1px solid var(--line);padding:24px 24px 0;overflow:hidden}
.about-pic img{margin:0 auto;max-height:400px;width:auto;filter:drop-shadow(0 20px 30px rgba(0,0,0,.5))}
.about-text p{color:var(--mut);font-size:18px;margin-top:18px;max-width:62ch}
.about-text p:first-child{color:var(--tx);font-size:clamp(19px,2vw,22px)}
.timeline{position:relative;display:grid;gap:0;padding-left:28px;border-left:1px solid var(--line2);margin-left:6px}
.timeline li{position:relative;display:grid;grid-template-columns:90px 1fr;gap:16px;padding:16px 0}
.timeline li::before{content:"";position:absolute;left:-35px;top:23px;width:13px;height:13px;border-radius:50%;background:var(--bg);border:2px solid var(--acc)}
.tl-year{color:var(--acc2);font-size:14px;padding-top:1px}
.timeline p{max-width:60ch}

/* ---------- 16. Kontakt ---------- */
.contact-grid{display:grid;grid-template-columns:1.4fr .9fr;gap:24px;margin-top:48px;align-items:start}
.form{display:grid;gap:20px;padding:clamp(22px,3vw,32px);border-radius:var(--r-lg);background:var(--card);border:1px solid var(--line)}
.field{display:grid;gap:6px}
.field label{font:500 12px var(--mono);text-transform:uppercase;letter-spacing:.08em;color:var(--mut)}
.field input,.field textarea{width:100%;min-height:48px;padding:12px 14px;border-radius:var(--r-sm);background:var(--bg);border:1px solid var(--field);transition:border-color .2s,box-shadow .2s}
.field textarea{resize:vertical;min-height:150px;line-height:1.55}
.field input:hover,.field textarea:hover{border-color:var(--mut)}
.field input:focus-visible,.field textarea:focus-visible{outline:0;border-color:var(--acc-hi);box-shadow:0 0 0 3px rgba(139,92,246,.35)}
.field [aria-invalid=true]{border-color:var(--err)}
.hint{font-size:13px;color:var(--mut)}
.err{font-size:13px;color:var(--err);min-height:0}
.err:empty{display:none}
.hp{position:absolute!important;left:-10000px;width:1px;height:1px;overflow:hidden}
.form .btn{justify-self:start}
.form-status{font-size:15px;min-height:1.5em}
.form-status.is-success{color:var(--ok)}
.form-status.is-error{color:var(--err)}
.form-status.is-loading{color:var(--mut)}
.alt{padding:clamp(22px,3vw,32px);border-radius:var(--r-lg);border:1px solid var(--line);background:var(--bg2)}
.alt h2{font-size:24px}
.alt>p{color:var(--mut);margin-top:6px}
.alt-list{display:grid;gap:10px;margin-top:20px}
.alt-list a{display:flex;align-items:center;gap:14px;padding:14px 16px;border-radius:var(--r);border:1px solid var(--line2);transition:border-color .2s,background .2s}
.alt-list a:hover{border-color:var(--acc);background:var(--bg3)}
.alt-list .ic{width:22px;height:22px;color:var(--acc-hi)}
.alt-list a>span{display:grid;min-width:0}
.alt-list .mono{font-size:13px;color:var(--mut);overflow-wrap:anywhere}

/* ---------- 17. Stany (ładowanie, błąd, 404) ---------- */
.state{min-height:50vh;display:flex;flex-direction:column;justify-content:center;align-items:flex-start;gap:12px}
.state .btn{margin-top:20px}
.loading{color:var(--mut);font-size:13px;letter-spacing:.08em;text-transform:uppercase}
.noscript{max-width:var(--max);margin:24px auto;padding:20px var(--pad);color:var(--mut)}
.noscript a{color:var(--acc-hi);text-decoration:underline}

/* ---------- 18. Stopka ---------- */
.foot{border-top:1px solid var(--line);color:var(--mut);font-size:14px}
.foot-in{max-width:calc(var(--max) + 2 * var(--pad));margin:0 auto;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;padding:22px var(--pad)}
.live{display:inline-flex;align-items:center;gap:8px;font:12px var(--mono);letter-spacing:.06em;text-transform:uppercase}
.live i{width:7px;height:7px;border-radius:50%;background:var(--ok)}
.live.off i{background:var(--warn)}

/* ---------- 19. Responsywność ---------- */
@media (max-width:1199px){
  .svc-grid{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .steps .step:nth-child(2n){border-right:0;margin-right:0}
  .steps-3{grid-template-columns:repeat(3,1fr)}
  .steps-3 .principle:nth-child(2n){border-right:1px solid var(--line);margin-right:24px}
  .steps-3 .principle:last-child{border-right:0;margin-right:0}
}
@media (max-width:899px){
  .burger{display:block}
  .links{position:fixed;top:64px;left:0;right:0;flex-direction:column;align-items:stretch;gap:2px;padding:12px var(--pad) 20px;background:rgba(10,10,15,.98);border-bottom:1px solid var(--line);transform:translateY(-110%);visibility:hidden;transition:transform .25s var(--ease-in),visibility 0s linear .25s;max-height:calc(100dvh - 64px);overflow-y:auto}
  .links.open{transform:none;visibility:visible;transition:transform .3s var(--ease),visibility 0s}
  .links a{padding:14px;font-size:14px}
  .links a.on::after{left:14px;right:auto;width:24px;bottom:8px}
  .links .lang{margin:8px 0 0;text-align:center}
  .hero{grid-template-columns:1fr;min-height:auto;gap:12px}
  .hero-art{order:-1}
  .hero-art img{height:clamp(240px,48vw,340px)}
  .stats{grid-template-columns:1fr}
  .pgrid{grid-template-columns:repeat(2,1fr)}
  .steps-3{grid-template-columns:1fr}
  .steps-3 .principle{border-right:0;margin-right:0;border-bottom:1px solid var(--line)}
  .svc-list{grid-template-columns:1fr}
  .about{grid-template-columns:1fr;gap:28px}
  .about-pic{position:static;max-width:280px}
  .contact-grid{grid-template-columns:1fr}
  .strip{flex-direction:column;align-items:flex-start;gap:10px}
}
@media (max-width:639px){
  .sec-head{flex-direction:column;align-items:flex-start}
  .pgrid,.svc-grid,.steps{grid-template-columns:1fr}
  .pcard.is-featured{grid-column:auto}
  .steps .step{border-right:0;margin-right:0;border-bottom:1px solid var(--line);padding-right:0}
  .step-n{margin-bottom:12px}
  .news li{grid-template-columns:1fr;gap:4px}
  .timeline li{grid-template-columns:1fr;gap:2px}
  .cta .btn{flex:1 1 100%}
  .btn{white-space:normal;text-align:center}
}
@media (max-width:420px){
  .nav-in{gap:12px}
  .brand span{font-size:15px}
  h1{font-size:clamp(36px,11vw,44px)}
}

/* ---------- 20. Ograniczony ruch ---------- */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .rv{opacity:1;transform:none}
  .hero-art img{animation:none}
}