/* =========================================================
   krystianbylica.pl
   Ciemny motyw, szkło (Liquid Glass), kolory systemowe iOS
   ========================================================= */

:root{
  --bg:#06070a;

  --ink:#f7f8fa;
  --ink-dim:#c3c8d2;
  --ink-faint:#9aa1ae;

  --blue:#0a84ff;
  --purple:#bf5af2;
  --teal:#64d2ff;
  --orange:#ff9f0a;
  --green:#30d158;

  /* szkło */
  --glass-top:rgba(255,255,255,.11);
  --glass-bot:rgba(255,255,255,.035);
  --hair:rgba(255,255,255,.14);
  --spec:rgba(255,255,255,.48);
  --glass-blur:saturate(190%) blur(36px) brightness(.62);
  --shadow:0 24px 60px rgba(0,0,0,.42);
  --shadow-hi:0 34px 80px rgba(0,0,0,.5);
  --hair-hi:rgba(255,255,255,.26);
  --spec-hi:rgba(255,255,255,.6);
  --tint-plain:rgba(255,255,255,.10);
  --plate:rgba(255,255,255,.94);
  --plate-shadow:0 12px 30px rgba(0,0,0,.34);
  --phone-frame:linear-gradient(180deg,rgba(255,255,255,.22),rgba(255,255,255,.05));
  --phone-edge:rgba(255,255,255,.22);

  /* ekran w makiecie telefonu */
  --scr-atlas:linear-gradient(165deg,rgba(10,132,255,.42),rgba(6,7,10,.72));
  --scr-solar:linear-gradient(165deg,rgba(255,159,10,.38),rgba(6,7,10,.74));
  --scr-rce:linear-gradient(165deg,rgba(48,209,88,.32),rgba(6,7,10,.74));
  --scr-edge:rgba(255,255,255,.10);
  --scr-notch:rgba(0,0,0,.55);
  --scr-ink:#fff;
  --scr-ink-dim:rgba(255,255,255,.86);
  --scr-ink-faint:rgba(255,255,255,.6);
  --scr-row:rgba(255,255,255,.10);
  --scr-row-edge:rgba(255,255,255,.12);
  --scr-track:rgba(255,255,255,.16);
  --scr-spark:#8ff0a8;
  --scr-bars:linear-gradient(180deg,#ffd280,rgba(255,159,10,.35));

  /* ikony kart i przycisk główny */
  --ico:#eaf4ff;
  --lang-on:rgba(255,255,255,.18);
  --lang-on-ink:#fff;
  --lang-on-shadow:none;
  --btn-bg:var(--blue);
  --btn-bg-hover:#3a9dff;
  --btn-ink:#fff;
  --sheen:rgba(255,255,255,.18);
  --sweep:rgba(255,255,255,.10);

  /* powierzchnie i linie */
  --surface:rgba(255,255,255,.10);
  --surface-hi:rgba(255,255,255,.18);
  --surface-soft:rgba(255,255,255,.06);
  --surface-mid:rgba(255,255,255,.08);
  --line:rgba(255,255,255,.12);
  --row-hover:rgba(255,255,255,.045);
  --nav-bg:rgba(8,9,13,.55);

  /* tekst pomocniczy */
  --label:rgba(255,255,255,.66);
  --muted:rgba(255,255,255,.62);
  --strong:rgba(255,255,255,.9);
  --link:#7fd7ff;
  --stat-grad:linear-gradient(180deg,#fff,#c9d2dd);

  /* podświetlenie składni */
  --c-txt:#e4e9ef; --c-k:#ff8ec0; --c-t:#84e6ff; --c-s:#ffc266; --c-n:#d6c4ff; --c-f:#b6ddff;
  --code-inline:#cfe8ff;

  /* tło */
  --blob-1:.62; --blob-2:.50; --blob-3:.34; --blob-4:.26;
  --grain-o:.045;
  --scrim:radial-gradient(125% 85% at 50% 0%,rgba(6,7,10,0),rgba(6,7,10,.34) 82%),
          linear-gradient(180deg,rgba(6,7,10,.16),rgba(6,7,10,.06) 40%,rgba(6,7,10,.26));

  --r:26px;
  --maxw:1120px;
  --ease:cubic-bezier(.2,.8,.2,1);
  --spring:cubic-bezier(.34,1.4,.5,1);
  --sans:"Inter",-apple-system,BlinkMacSystemFont,"SF Pro Display","Segoe UI",system-ui,sans-serif;
  --mono:ui-monospace,"SF Mono","JetBrains Mono","Menlo",monospace;
}

/* =========================================================
   Jasny motyw — nadpisanie tokenów.
   Szkło robi się mleczne (jaśniejsze niż tło), cienie miękkie,
   plamy gradientu ściszone do pasteli.
   ========================================================= */
:root[data-theme="light"]{
  --bg:#eef1f6;

  --ink:#0b1220;
  --ink-dim:#4a5568;
  --ink-faint:#6b7688;

  --glass-top:rgba(255,255,255,.72);
  --glass-bot:rgba(255,255,255,.44);
  --hair:rgba(15,23,42,.10);
  --hair-hi:rgba(15,23,42,.18);
  --spec:rgba(255,255,255,.95);
  --spec-hi:rgba(255,255,255,1);
  --glass-blur:saturate(150%) blur(30px) brightness(1.06);
  --shadow:0 18px 44px rgba(15,23,42,.10);
  --shadow-hi:0 26px 60px rgba(15,23,42,.16);
  --sheen:rgba(255,255,255,.85);
  --sweep:rgba(255,255,255,.6);

  --surface:rgba(255,255,255,.66);
  --surface-hi:rgba(255,255,255,.95);
  --surface-soft:rgba(255,255,255,.55);
  --surface-mid:rgba(255,255,255,.62);
  --line:rgba(15,23,42,.12);
  --row-hover:rgba(255,255,255,.5);
  --nav-bg:rgba(248,250,252,.72);

  --label:rgba(15,23,42,.58);
  --muted:rgba(15,23,42,.55);
  --strong:rgba(15,23,42,.92);
  --link:#0369a1;
  --stat-grad:linear-gradient(180deg,#0f172a,#475569);

  --c-txt:#334155; --c-k:#c026d3; --c-t:#0369a1; --c-s:#b45309; --c-n:#6d28d9; --c-f:#0e7490;
  --code-inline:#0f4c75;

  --tint-plain:rgba(15,23,42,.05);

  /* ekran telefonu przechodzi w tryb jasny — jak prawdziwy iPhone */
  --scr-atlas:linear-gradient(165deg,#dceafd,#f4f8ff 62%);
  --scr-solar:linear-gradient(165deg,#fdeacd,#fff8ec 62%);
  --scr-rce:linear-gradient(165deg,#d7f2de,#f2fbf4 62%);
  --scr-edge:rgba(15,23,42,.08);
  --scr-notch:#1b1f27;
  --scr-ink:#0b1220;
  --scr-ink-dim:rgba(15,23,42,.78);
  --scr-ink-faint:rgba(15,23,42,.5);
  --scr-row:rgba(255,255,255,.82);
  --scr-row-edge:rgba(15,23,42,.07);
  --scr-track:rgba(15,23,42,.10);
  --scr-spark:#15803d;
  --scr-bars:linear-gradient(180deg,#f59e0b,#fcd9a0);

  --ico:#1e293b;
  --lang-on:#0b1220;
  --lang-on-ink:#fff;
  --lang-on-shadow:0 2px 6px rgba(15,23,42,.28);
  --btn-bg:#0071e3;
  --btn-bg-hover:#0077ed;
  --btn-ink:#fff;
  --plate:#ffffff;
  --plate-shadow:0 10px 24px rgba(15,23,42,.14);
  --phone-frame:linear-gradient(180deg,#3f4652,#22262e);
  --phone-edge:rgba(15,23,42,.22);

  --blob-1:.42; --blob-2:.34; --blob-3:.30; --blob-4:.24;
  --grain-o:.028;
  --scrim:radial-gradient(125% 85% at 50% 0%,rgba(255,255,255,.30),rgba(255,255,255,.66) 82%),
          linear-gradient(180deg,rgba(255,255,255,.42),rgba(255,255,255,.24) 40%,rgba(255,255,255,.5));
}

/* barwne poświaty pod kafelkami — w jasnym motywie ledwie muśnięcie */
:root[data-theme="light"] .blob{filter:blur(140px) saturate(.72)}
:root[data-theme="light"] .t-blue{--tint:rgba(10,132,255,.16)}
:root[data-theme="light"] .t-purple{--tint:rgba(191,90,242,.14)}
:root[data-theme="light"] .t-teal{--tint:rgba(0,150,199,.14)}
:root[data-theme="light"] .t-orange{--tint:rgba(255,159,10,.16)}
:root[data-theme="light"] .tech::after{
  background:radial-gradient(90% 70% at 50% 0%,color-mix(in srgb,var(--c) 14%,transparent),transparent 70%);
}
/* gradient w nagłówku i statystykach potrzebuje ciemniejszych przystanków */
:root[data-theme="light"] .grad{background-image:linear-gradient(100deg,#0284c7,#2563eb 42%,#9333ea,#0284c7)}
:root[data-theme="light"] .stack li::before{background:#0284c7}
:root[data-theme="light"] :focus-visible{outline-color:#0284c7}
:root[data-theme="light"] .nav__progress{opacity:1}

/* płynne przejście przy przełączaniu */
body,.tile,.chip,.tech,.btn,.nav,.job{transition-property:background-color,color,border-color,box-shadow,transform}
:root.theme-anim body,:root.theme-anim .tile,:root.theme-anim .tech,
:root.theme-anim .chip,:root.theme-anim .btn{transition-duration:.45s}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}

body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:var(--sans);font-size:17px;line-height:1.6;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
:focus-visible{outline:2px solid var(--teal);outline-offset:4px;border-radius:10px}

/* ---------------------------------------------------------
   Tło
   --------------------------------------------------------- */
.aurora{position:fixed;inset:0;z-index:-1;overflow:hidden;pointer-events:none}
.blob{position:absolute;border-radius:50%;filter:blur(120px);will-change:transform}
.b1{width:52vw;height:52vw;background:var(--blue);   top:-13vw;left:-9vw;  opacity:var(--blob-1);animation:drift1 26s ease-in-out infinite}
.b2{width:46vw;height:46vw;background:var(--purple); top:16vh; right:-13vw;opacity:var(--blob-2);animation:drift2 32s ease-in-out infinite}
.b3{width:40vw;height:40vw;background:var(--teal);   bottom:4vh;left:10vw; opacity:var(--blob-3);animation:drift3 29s ease-in-out infinite}
.b4{width:32vw;height:32vw;background:var(--orange); bottom:-10vw;right:6vw;opacity:var(--blob-4);animation:drift1 36s ease-in-out infinite reverse}
@keyframes drift1{50%{transform:translate3d(6vw,8vh,0) scale(1.15)}}
@keyframes drift2{50%{transform:translate3d(-8vw,-6vh,0) scale(.88)}}
@keyframes drift3{50%{transform:translate3d(9vw,-9vh,0) scale(1.2)}}

.scrim{
  position:absolute;inset:0;
  background:var(--scrim);
}
.grain{
  position:absolute;inset:-50%;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.4'/%3E%3C/svg%3E");
  opacity:var(--grain-o);
}

/* ---------------------------------------------------------
   Nawigacja
   --------------------------------------------------------- */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:50;
  display:flex;align-items:center;gap:16px;
  padding:12px clamp(18px,5vw,56px);
  border-bottom:1px solid transparent;
  transition:background .35s ease,border-color .35s ease;
}
.nav.is-stuck{
  background:var(--nav-bg);border-bottom-color:var(--hair);
  -webkit-backdrop-filter:saturate(180%) blur(24px);backdrop-filter:saturate(180%) blur(24px);
}
.nav__progress{
  position:absolute;left:0;bottom:-1px;height:2px;width:100%;
  transform:scaleX(var(--p,0));transform-origin:left;
  background:linear-gradient(90deg,var(--teal),var(--blue) 50%,var(--purple));
  opacity:0;transition:opacity .35s ease;
}
.nav.is-stuck .nav__progress{opacity:1}

.nav__brand{
  font-weight:700;letter-spacing:.08em;font-size:15px;
  padding:6px 10px;border-radius:12px;
  background:var(--surface-soft);border:1px solid var(--hair);
  -webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);
  transition:transform .3s var(--spring)}
.nav__brand:hover{transform:scale(1.06)}

.nav__links{display:flex;align-items:center;gap:clamp(14px,2.2vw,28px);font-size:15px;color:var(--ink-dim);margin-left:auto}
.nav__links a{position:relative;transition:color .2s}
.nav__links a::after{
  content:"";position:absolute;left:0;right:0;bottom:-6px;height:2px;border-radius:2px;
  background:var(--teal);transform:scaleX(0);transform-origin:center;transition:transform .3s var(--ease);
}
.nav__links a:hover{color:var(--ink)}
.nav__links a:hover::after,.nav__links a.is-current::after{transform:scaleX(1)}

.nav__right{display:flex;align-items:center;gap:10px;margin-left:auto}
.nav__links + .nav__right{margin-left:clamp(14px,2.2vw,28px)}

.lang{
  position:relative;
  display:flex;align-items:center;gap:2px;padding:3px;border-radius:999px;
  background:var(--surface-soft);border:1px solid var(--hair);
  -webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);
}
.lang__pill{
  position:absolute;top:3px;left:0;height:calc(100% - 6px);
  border-radius:999px;background:var(--lang-on);box-shadow:var(--lang-on-shadow);
  transform:translateX(var(--x,0)) scaleX(var(--sx,0));
  width:var(--w,0);
  transform-origin:left center;
  transition:transform .48s var(--spring),width .48s var(--spring),background .3s;
  pointer-events:none;
}
.lang.is-ready .lang__pill{--sx:1}

.lang__btn{
  display:flex;align-items:center;gap:6px;
  padding:5px 10px;border:0;border-radius:999px;cursor:pointer;
  background:transparent;color:var(--muted);
  font:600 12.5px/1 var(--sans);letter-spacing:.04em;
  transition:background .3s var(--ease),color .3s,transform .3s var(--spring);
}
.lang__btn svg{width:19px;height:13px;border-radius:2px;display:block;box-shadow:0 0 0 1px rgba(0,0,0,.25);
  transition:transform .45s var(--spring)}
.lang__btn.is-on svg{transform:scale(1.12)}
.lang__btn:hover{color:var(--ink)}
.lang__btn{position:relative;z-index:1}
.lang__btn.is-on{color:var(--lang-on-ink)}
.lang__btn:active{transform:scale(.94)}

.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}

.theme{
  display:grid;place-items:center;width:38px;height:38px;padding:0;cursor:pointer;
  border-radius:999px;border:1px solid var(--hair);color:var(--ink);
  background:var(--surface-soft);
  -webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);
  transition:background .3s,transform .3s var(--spring);
}
.theme:hover{background:var(--surface-hi)}
.theme:active{transform:scale(.92)}
.theme__track{position:relative;display:grid;place-items:center;width:19px;height:19px}
.theme__track svg{position:absolute;width:19px;height:19px;transition:opacity .35s var(--ease),transform .45s var(--spring)}
.theme__sun{opacity:0;transform:rotate(-60deg) scale(.6)}
.theme__moon{opacity:1;transform:none}
:root[data-theme="light"] .theme__sun{opacity:1;transform:none}
:root[data-theme="light"] .theme__moon{opacity:0;transform:rotate(60deg) scale(.6)}

.nav__cta{
  padding:7px 16px;border-radius:999px;font-size:15px;
  background:var(--surface);border:1px solid var(--hair);
  -webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);
  transition:background .3s,transform .3s var(--spring);
}
.nav__cta:hover{background:var(--surface-hi);transform:translateY(-1px)}

/* ---------------------------------------------------------
   Typografia
   --------------------------------------------------------- */
.eyebrow{
  margin:0 0 14px;font-size:12.5px;font-weight:600;letter-spacing:.16em;text-transform:uppercase;
  color:var(--muted);
}
.section{max-width:var(--maxw);margin:0 auto;padding:clamp(44px,5.5vh,68px) clamp(20px,5vw,32px)}
.section__title{
  margin:0 0 clamp(24px,3.4vw,38px);
  font-size:clamp(34px,5.6vw,62px);line-height:1.06;letter-spacing:-.03em;font-weight:700;
}
.lead{margin:-16px 0 clamp(26px,3.4vw,38px);max-width:62ch;color:var(--ink-dim);font-size:clamp(16px,1.8vw,18.5px)}

/* ---------------------------------------------------------
   Hero
   --------------------------------------------------------- */
.hero{
  max-width:var(--maxw);margin:0 auto;
  padding:clamp(120px,17vh,160px) clamp(20px,5vw,32px) clamp(44px,6vh,72px);
  display:flex;flex-direction:column;align-items:flex-start;
}
.hero__title{margin:0;font-size:clamp(42px,8.6vw,100px);line-height:1.03;letter-spacing:-.045em;font-weight:700}
.hero__title .line{display:block}
.grad{
  background:linear-gradient(100deg,#8fe4ff,#4aa8ff 42%,#c77bff,#8fe4ff);
  background-size:220% 100%;
  -webkit-background-clip:text;background-clip:text;color:transparent;
  animation:sheen 9s ease-in-out infinite;
}
@keyframes sheen{50%{background-position:100% 0}}
.hero__sub{margin:clamp(20px,2.6vw,28px) 0 0;max-width:58ch;font-size:clamp(17px,1.9vw,20px);color:var(--ink-dim)}

.dock{display:flex;flex-wrap:wrap;gap:10px;margin-top:clamp(24px,3vw,34px)}
.chip{
  display:inline-flex;align-items:center;height:42px;padding:0 18px;
  font-size:14px;font-weight:600;border-radius:14px;
  background:linear-gradient(180deg,var(--glass-top),var(--glass-bot));
  border:1px solid var(--hair);
  box-shadow:inset 0 1px 0 var(--spec);
  -webkit-backdrop-filter:var(--glass-blur);backdrop-filter:var(--glass-blur);
  transition:transform .35s var(--spring),background .3s;
}
.chip:hover{transform:translateY(-4px) scale(1.03);background:var(--surface-hi)}

/* chip ze statusem testów — zielona ikona jak w nawigatorze Xcode */
.chip--pass{gap:8px}
.chip--pass svg{width:15px;height:15px;flex:none;color:var(--green);animation:pass 2.6s var(--ease) infinite}
.chip--pass svg circle{fill:color-mix(in srgb,var(--green) 18%,transparent);stroke:currentColor;stroke-width:1.4}
.chip--pass svg path{stroke:currentColor}
@keyframes pass{0%,70%,100%{transform:scale(1)}78%{transform:scale(1.18)}86%{transform:scale(.96)}}

/* ---------------------------------------------------------
   Szkło
   --------------------------------------------------------- */
.tile{
  position:relative;isolation:isolate;
  padding:clamp(22px,2.8vw,30px);
  border-radius:var(--r);
  background:linear-gradient(180deg,var(--glass-top),var(--glass-bot));
  border:1px solid var(--hair);
  box-shadow:var(--shadow),inset 0 1px 0 var(--spec),inset 0 -1px 0 var(--surface-soft);
  -webkit-backdrop-filter:var(--glass-blur);backdrop-filter:var(--glass-blur);
  overflow:hidden;
  transition:transform .5s var(--ease),border-color .5s,box-shadow .5s;
}
/* barwna poświata pod szkłem */
.tile::after{
  content:"";position:absolute;inset:0;z-index:-1;pointer-events:none;
  background:radial-gradient(120% 100% at 12% 0%,var(--tint,transparent),transparent 68%);
}
/* refleks podążający za kursorem + smuga światła */
.tile::before{
  content:"";position:absolute;inset:0;z-index:-1;pointer-events:none;
  background:
    radial-gradient(340px circle at var(--mx,50%) var(--my,50%),var(--sheen),transparent 58%),
    linear-gradient(115deg,transparent 42%,var(--sweep) 50%,transparent 58%);
  background-size:100% 100%,260% 100%;
  background-position:0 0,var(--sweep,-60%) 0;
  opacity:0;transition:opacity .45s ease;
}
.tile:hover{transform:translateY(-6px);border-color:var(--hair-hi);box-shadow:var(--shadow-hi),inset 0 1px 0 var(--spec-hi)}
.tile:hover::before{opacity:1;animation:sweep 1.1s var(--ease)}
@keyframes sweep{from{background-position:0 0,-60% 0}to{background-position:0 0,160% 0}}

.t-blue{--tint:rgba(10,132,255,.42)}
.t-purple{--tint:rgba(191,90,242,.38)}
.t-teal{--tint:rgba(100,210,255,.46)}
.t-orange{--tint:rgba(255,159,10,.32)}
.t-plain{--tint:var(--tint-plain)}

.tile__label{margin:0 0 14px;font-size:12px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--label)}
/* emoji: kolorowy krój systemowy, powiększone względem drobnego tekstu wersalikowego */
.eyebrow,.tile__label{font-variant-emoji:emoji}
.em{
  font-size:1.55em;letter-spacing:0;margin-right:.24em;
  vertical-align:-.16em;font-variant-emoji:emoji;
  font-family:"Apple Color Emoji","Segoe UI Emoji","Noto Color Emoji",sans-serif;
}
.footer .em{font-size:1.15em;margin:0 0 0 .1em;vertical-align:-.12em}
.ttl-emoji{font-size:.62em;vertical-align:.14em;margin-left:.06em;font-variant-emoji:emoji}
.tile__lead{margin:10px 0 0;font-size:16px;font-weight:600;color:var(--strong)}
.tile__desc{margin:12px 0 0;color:var(--ink-dim);font-size:15.5px}
.tile__desc code{font-family:var(--mono);font-size:.9em;padding:1px 6px;border-radius:6px;background:var(--surface);color:var(--code-inline)}
.tile__h{margin:0;font-size:clamp(20px,2.4vw,26px);letter-spacing:-.02em;font-weight:600}

/* ---------------------------------------------------------
   Bento
   --------------------------------------------------------- */
.bento{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:minmax(150px,auto);gap:16px}
.tile--hero{grid-column:span 2;grid-row:span 2;display:flex;flex-direction:column;justify-content:center}
.tile--code{grid-column:span 2}
.tile--wide{grid-column:span 2;display:flex;flex-direction:column;justify-content:center}
.tile--stack{display:flex;flex-direction:column}

.stat{
  margin:0;font-size:clamp(34px,4.6vw,54px);line-height:1;letter-spacing:-.045em;font-weight:700;
  font-variant-numeric:tabular-nums;
  background:var(--stat-grad);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.stat--xl{font-size:clamp(52px,7.4vw,88px)}
.stat__unit{font-size:.42em;letter-spacing:-.01em;margin-left:4px;color:var(--label);-webkit-text-fill-color:var(--label)}

.stack{margin:0;padding:0;list-style:none;display:flex;flex-direction:column;gap:9px}
.stack li{font-size:15px;color:var(--ink-dim);padding-left:16px;position:relative}
.stack li::before{content:"";position:absolute;left:0;top:.62em;width:6px;height:6px;border-radius:50%;background:var(--teal)}

.code{margin:0;font-family:var(--mono);font-size:13.5px;line-height:1.75;color:var(--c-txt);overflow-x:auto}
.code .k{color:var(--c-k)}.code .t{color:var(--c-t)}.code .s{color:var(--c-s)}.code .n{color:var(--c-n)}.code .f{color:var(--c-f)}
.caret{display:inline-block;width:8px;height:15px;vertical-align:-2px;margin-left:3px;background:var(--teal);animation:blink 1.1s steps(1) infinite}
@keyframes blink{50%{opacity:0}}

.prose{margin-top:24px;max-width:66ch;color:var(--ink-dim);font-size:16.5px}
.prose p{margin:0}

/* ---------------------------------------------------------
   Karty (AI / projekty)
   --------------------------------------------------------- */
.cards{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.card h3{margin:0;font-size:clamp(19px,2.1vw,23px);letter-spacing:-.02em;font-weight:600}
.card__ico{
  display:grid;place-items:center;width:44px;height:44px;margin-bottom:16px;
  border-radius:13px;color:var(--ico);
  background:linear-gradient(180deg,var(--surface-hi),var(--surface-soft));
  border:1px solid var(--hair);box-shadow:inset 0 1px 0 var(--spec);
}
.card__ico svg{width:22px;height:22px}
.tags{display:flex;flex-wrap:wrap;gap:7px;margin:18px 0 0;padding:0;list-style:none}
.tags li{
  font-size:12px;font-weight:600;color:var(--ink-dim);
  padding:5px 11px;border-radius:999px;
  background:var(--surface-mid);border:1px solid var(--hair);
}

/* ---------------------------------------------------------
   Technologie
   --------------------------------------------------------- */
.techs{display:flex;flex-wrap:wrap;justify-content:center;gap:16px}
.tech{flex:0 1 calc(25% - 12px)}
.tech{
  position:relative;isolation:isolate;
  display:flex;flex-direction:column;align-items:center;text-align:center;gap:4px;
  padding:26px 16px 22px;border-radius:22px;
  background:linear-gradient(180deg,var(--glass-top),var(--glass-bot));
  border:1px solid var(--hair);
  box-shadow:var(--shadow),inset 0 1px 0 var(--spec);
  -webkit-backdrop-filter:var(--glass-blur);backdrop-filter:var(--glass-blur);
  transition:transform .45s var(--spring),border-color .4s,box-shadow .4s;
}
.tech::after{
  content:"";position:absolute;inset:0;z-index:-1;pointer-events:none;
  background:radial-gradient(90% 70% at 50% 0%,color-mix(in srgb,var(--c) 34%,transparent),transparent 70%);
}
.tech:hover{transform:translateY(-7px);border-color:var(--hair-hi);
  box-shadow:var(--shadow-hi),inset 0 1px 0 var(--spec-hi)}

.tech__mark{
  display:grid;place-items:center;width:70px;height:70px;margin-bottom:12px;
  border-radius:20px;background:var(--plate);
  box-shadow:var(--plate-shadow),inset 0 1px 0 rgba(255,255,255,.9);
  font:700 24px/1 var(--sans);color:var(--c);letter-spacing:-.02em;
  transition:transform .5s var(--spring);
  overflow:hidden;
}
.tech__mark img{width:64%;height:64%;object-fit:contain;display:block}
.tech:hover .tech__mark{transform:scale(1.09) rotate(-3deg)}

.tech__name{font-size:16px;font-weight:600;letter-spacing:-.01em;line-height:1.25}
.tech__cat{font-size:12.5px;color:var(--ink-dim)}

/* ---------------------------------------------------------
   Oś czasu
   --------------------------------------------------------- */
.timeline{list-style:none;margin:0;padding:0}
.job{
  display:grid;grid-template-columns:172px 62px 1fr;align-items:start;gap:20px;
  padding:22px 6px;border-top:1px solid var(--line);
  transition:background .4s,padding-left .4s var(--ease);
}
.job:last-child{border-bottom:1px solid var(--line)}
.job:hover{background:var(--row-hover);padding-left:16px}
.job__date{margin:0;padding-top:14px;color:var(--muted);font-size:14px;font-weight:500;font-variant-numeric:tabular-nums}

.job__logo{
  display:flex;align-items:center;justify-content:center;
  width:62px;height:62px;padding:9px;flex:none;overflow:hidden;
  border-radius:16px;background:#fff;
  box-shadow:0 10px 26px rgba(0,0,0,.35),inset 0 1px 0 rgba(255,255,255,.9);
  transition:transform .45s var(--spring)}
/* szerokość i wysokość na sztywno + object-fit — procentowe max-height
   nie rozwiązuje się w Safari i logo wychodziło poza kafelek */
.job__logo img{width:100%;height:100%;object-fit:contain;display:block}
.job__logo--tall{padding:7px}
.job:hover .job__logo{transform:scale(1.07) rotate(-2deg)}

.job__body h3{margin:0;padding-top:10px;font-size:20px;letter-spacing:-.015em;font-weight:600}
.job__org{margin:4px 0 0;color:var(--link);font-size:15px}
.job__desc{margin:10px 0 0;color:var(--ink-dim);font-size:15.5px;max-width:62ch}

/* ---------------------------------------------------------
   Projekty — scena przypięta
   --------------------------------------------------------- */
.showcase{position:relative}
.showcase__track{height:calc(100svh * 3)}
.showcase__stage{
  position:sticky;top:0;height:100svh;
  display:flex;flex-direction:column;gap:clamp(14px,2.2vh,22px);
  max-width:var(--maxw);margin:0 auto;
  padding:clamp(84px,11vh,104px) clamp(20px,5vw,32px) clamp(44px,6vh,64px);
}
.showcase__head{flex:none}
.showcase__head .section__title{margin:0;font-size:clamp(30px,4.4vw,48px)}
.showcase__body{flex:1;display:flex;align-items:center;gap:clamp(20px,4vw,44px);min-height:0}

.rail{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px;flex:none}
.rail li{width:4px;height:46px;border-radius:2px;background:var(--surface-hi);overflow:hidden}
.rail li span{display:block;width:100%;height:100%;background:var(--teal);transform:scaleY(0);transform-origin:top;transition:transform .5s ease}
.rail li.is-done span{transform:scaleY(1)}
.rail li.is-current span{transform:scaleY(1);background:linear-gradient(180deg,var(--teal),var(--blue))}

.slides{position:relative;flex:1;height:100%;min-height:0}
.slide{
  position:absolute;inset:0;
  display:grid;grid-template-columns:1.05fr .95fr;align-items:center;gap:clamp(24px,4vw,56px);
  opacity:0;transform:translateY(38px) scale(.97);
  transition:opacity .28s ease-out,transform .5s var(--ease);
  pointer-events:none;
}
.slide.is-active{
  opacity:1;transform:none;pointer-events:auto;
  transition:opacity .5s ease .16s,transform .7s var(--ease) .12s;
}
.slide.is-past{opacity:0;transform:translateY(-38px) scale(.97)}

.slide__title{margin:6px 0 0;font-size:clamp(32px,4.6vw,54px);letter-spacing:-.035em;font-weight:700;line-height:1.05}
.slide__desc{margin:18px 0 0;color:var(--ink-dim);font-size:clamp(16px,1.8vw,18.5px);max-width:46ch}
.slide__meta{list-style:none;display:flex;flex-wrap:wrap;gap:8px;margin:24px 0 0;padding:0}
.slide__meta li{
  font-size:13px;font-weight:600;color:var(--ink-dim);
  padding:7px 14px;border-radius:999px;
  background:var(--surface-mid);border:1px solid var(--hair);
  -webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);
}
.slide__visual{display:flex;justify-content:center;align-items:center}

/* makieta telefonu — wymiar liczony ze svh, nie z wysokości rodzica */
.phone{
  height:min(60svh,540px);width:auto;aspect-ratio:9/16.4;
  border-radius:42px;padding:10px;
  background:var(--phone-frame);
  border:1px solid var(--phone-edge);
  box-shadow:0 40px 90px rgba(0,0,0,.35),inset 0 1px 0 rgba(255,255,255,.5);
  -webkit-backdrop-filter:var(--glass-blur);backdrop-filter:var(--glass-blur);
  animation:float 7s ease-in-out infinite;
}
@keyframes float{50%{transform:translateY(-9px)}}

.phone__screen{
  position:relative;height:100%;width:100%;border-radius:33px;
  padding:24px 14px 16px;
  display:flex;flex-direction:column;gap:8px;
  border:1px solid var(--scr-edge);
  color:var(--scr-ink);
  overflow:hidden;
}
.phone__screen::before{
  content:"";position:absolute;top:8px;left:50%;transform:translateX(-50%);
  width:70px;height:18px;border-radius:12px;background:var(--scr-notch);
}
.s-atlas{background:var(--scr-atlas)}
.s-solar{background:var(--scr-solar)}
.s-rce{background:var(--scr-rce)}

.mock__title{margin:16px 0 2px;font-size:14.5px;font-weight:600}
.mock__foot{margin:auto 0 0;font-size:11.5px;color:var(--scr-ink-faint)}
.mock-row{
  display:flex;justify-content:space-between;align-items:center;gap:8px;
  font-size:12px;color:var(--scr-ink-dim);
  padding:10px 12px;border-radius:13px;
  background:var(--scr-row);border:1px solid var(--scr-row-edge);
}
.mock-row b{font-weight:600;color:var(--scr-ink);white-space:nowrap}
.mock-bar{height:7px;border-radius:999px;background:var(--scr-track);overflow:hidden;margin-top:2px}
.mock-bar i{display:block;height:100%;width:var(--w);border-radius:999px;background:linear-gradient(90deg,#8fe4ff,#4aa8ff)}
.bars{display:flex;align-items:flex-end;gap:4px;height:96px;margin:4px 0}
.bars i{flex:1;height:var(--h);border-radius:4px 4px 2px 2px;background:var(--scr-bars)}
.spark{width:100%;height:64px;margin:2px 0}
.spark polyline{fill:none;stroke:var(--scr-spark);stroke-width:2.5;stroke-linecap:round;stroke-linejoin:round;
  stroke-dasharray:600;stroke-dashoffset:600}
.slide.is-active .spark polyline{animation:draw 1.4s var(--ease) .3s forwards}
@keyframes draw{to{stroke-dashoffset:0}}
.slide.is-active .bars i{animation:grow .8s var(--ease) backwards}
.bars i:nth-child(2){animation-delay:.05s}.bars i:nth-child(3){animation-delay:.1s}
.bars i:nth-child(4){animation-delay:.15s}.bars i:nth-child(5){animation-delay:.2s}
.bars i:nth-child(6){animation-delay:.25s}.bars i:nth-child(7){animation-delay:.3s}
.bars i:nth-child(8){animation-delay:.35s}.bars i:nth-child(9){animation-delay:.4s}
.bars i:nth-child(10){animation-delay:.45s}
@keyframes grow{from{height:0}}

/* ---------------------------------------------------------
   Kontakt / stopka
   --------------------------------------------------------- */
.section--contact{padding-bottom:clamp(48px,6vh,72px)}
.contact{text-align:center;padding:clamp(38px,5.5vw,62px) clamp(24px,5vw,48px)}
.contact .eyebrow{margin-bottom:10px}
.contact__title{margin:0 0 10px;font-size:clamp(28px,4.4vw,46px);letter-spacing:-.03em;font-weight:700}
.contact__actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-top:24px}
.btn{
  padding:13px 26px;border-radius:999px;border:1px solid var(--hair);
  font-size:15.5px;font-weight:600;background:var(--surface);
  -webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);
  transition:transform .3s var(--spring),background .25s;
}
.btn:hover{transform:translateY(-3px);background:var(--surface-hi)}
.btn--primary{background:var(--btn-bg);color:var(--btn-ink);border-color:transparent}
.btn--primary:hover{background:var(--btn-bg-hover)}

.footer{
  max-width:var(--maxw);margin:0 auto;
  padding:22px clamp(20px,5vw,32px) 40px;
  border-top:1px solid var(--line);
  color:var(--ink-faint);font-size:14px;
}
.footer p{margin:0}

/* ---------------------------------------------------------
   Animacje wejścia
   --------------------------------------------------------- */
.reveal{
  opacity:0;transform:translateY(24px);filter:blur(6px);
  transition:opacity .8s var(--ease) var(--d,0s),transform .8s var(--ease) var(--d,0s),filter .8s var(--ease) var(--d,0s);
}
.reveal.is-in{opacity:1;transform:none;filter:none}

/* ---------------------------------------------------------
   Przełączenie języka
   Tekst „odlatuje" w górę z rozmyciem, wraca z dołu.
   Kolejne elementy startują z opóźnieniem, więc zmiana
   przebiega falą od góry ekranu w dół.
   --------------------------------------------------------- */
[data-i18n]{
  transition:opacity .26s var(--ease) var(--sd,0s),
             transform .26s var(--ease) var(--sd,0s),
             filter .26s var(--ease) var(--sd,0s);
}
[data-i18n].i18n-out{opacity:0;transform:translateY(-7px);filter:blur(5px)}
[data-i18n].i18n-in{
  opacity:0;transform:translateY(9px);filter:blur(5px);
  transition:none;
}
[data-i18n].i18n-settle{
  opacity:1;transform:none;filter:none;
  transition:opacity .42s var(--ease) var(--sd,0s),
             transform .52s var(--spring) var(--sd,0s),
             filter .42s var(--ease) var(--sd,0s);
}

/* ---------------------------------------------------------
   Responsywność
   --------------------------------------------------------- */
@media(max-width:1080px){
  .nav__links{display:none}
}
@media(max-width:960px){
  .bento{grid-template-columns:repeat(2,1fr)}
  .tile--hero,.tile--code,.tile--wide{grid-column:span 2}
  .tile--hero{grid-row:auto}
  .cards{grid-template-columns:1fr}
  .tech{flex:0 1 calc(33.333% - 11px)}
  .job{grid-template-columns:56px 1fr;gap:16px}
  .job__date{grid-column:1 / -1;padding-top:0}
  .job__logo{width:56px;height:56px}
  .job__body h3{padding-top:0}

  .showcase__track{height:auto}
  .showcase__stage{position:static;height:auto;display:block;padding:clamp(44px,5.5vh,68px) clamp(20px,5vw,32px)}
  .showcase__head .section__title{margin-bottom:clamp(26px,4vw,40px)}
  .showcase__body{display:block}
  .rail{display:none}
  .slides{height:auto;min-height:0;display:flex;flex-direction:column;gap:56px}
  .slide{position:static;grid-template-columns:1fr;gap:26px;opacity:1;transform:none;pointer-events:auto;filter:none}
  .slide.is-past{opacity:1;transform:none}
  .slide__visual{order:-1}
  .phone{height:auto;width:min(290px,80%)}
}
@media(max-width:560px){
  body{font-size:16px}
  .bento{grid-template-columns:1fr}
  .tech{flex:0 1 calc(50% - 8px)}
  .tile--hero,.tile--code,.tile--wide{grid-column:span 1}
  .blob{filter:blur(90px)}
  .lang__btn span{display:none}
  .lang__btn{padding:6px 8px}
}

@supports not ((backdrop-filter:blur(1px)) or (-webkit-backdrop-filter:blur(1px))){
  .tile,.chip,.phone,.btn,.nav.is-stuck,.lang{background:rgba(18,20,26,.88)}
}

@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition-duration:.01ms!important}
  .reveal{opacity:1;transform:none;filter:none}
  .spark polyline{stroke-dashoffset:0}
  .showcase__track{height:auto}
  .showcase__stage{position:static;height:auto;display:block}
  .showcase__body{display:block}
  .slides{height:auto;min-height:0;display:flex;flex-direction:column;gap:56px}
  .slide{position:static;opacity:1;transform:none;pointer-events:auto;filter:none}
  .phone{height:auto;width:min(290px,80%)}
  .rail{display:none}
}