:root {
  color-scheme: dark;
  --base: #05080d;
  --navy: #1e2c47;
  --cyan: #0091c4;
  --teal: #00b4b0;
  --green: #17604f;
  --text: #eaf2f8;
  --muted: #b9c8d8;
  --line: rgba(234, 242, 248, .12);
  --accent: #66dcd6;
  --accent-2: #5fb4ff;
  --panel: rgba(9, 16, 28, .66);
  --panel-line: rgba(160, 210, 240, .14);
  --tile: rgba(255, 255, 255, .035);
  --font: "Segoe UI Variable Text", "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
  --font-display: "Segoe UI Variable Display", "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
  --gutter: clamp(1rem, 4vw, 2.5rem);
  --ease: cubic-bezier(.16, 1, .3, 1);
}

*, *::before, *::after { box-sizing: border-box; }

html { scrollbar-color: #2c4568 var(--base); scroll-behavior: smooth; scroll-padding-top: 5.5rem; }

body {
  margin: 0;
  background: var(--base);
  color: var(--text);
  font: 1.0625rem/1.65 var(--font);
  -webkit-text-size-adjust: 100%;
  overflow-x: hidden;
}

::selection { background: var(--accent); color: var(--base); }

[hidden] { display: none !important; }

.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;
}

/* ===== Tło: wolne plamy światła ===== */
.mesh {
  position: fixed; inset: 0; z-index: 0;
  overflow: hidden; pointer-events: none;
  background: radial-gradient(120% 80% at 50% 120%, #0a1f1c 0%, transparent 60%), var(--base);
}
.mesh__blob { position: absolute; border-radius: 50%; mix-blend-mode: screen; will-change: transform; }
.mesh__blob--navy {
  width: 75vmax; height: 75vmax; top: -30vmax; left: -25vmax;
  background: radial-gradient(circle, var(--navy) 0%, transparent 65%);
  animation: drift-a 80s ease-in-out infinite;
}
.mesh__blob--cyan {
  width: 60vmax; height: 60vmax; top: -24vmax; right: -20vmax; opacity: .55;
  background: radial-gradient(circle, var(--cyan) 0%, rgba(0, 145, 196, .3) 30%, transparent 64%);
  animation: drift-b 64s ease-in-out infinite;
}
.mesh__blob--green {
  width: 70vmax; height: 70vmax; bottom: -32vmax; right: -12vmax;
  background: radial-gradient(circle, var(--green) 0%, transparent 66%);
  animation: drift-c 72s ease-in-out infinite;
}
.mesh__blob--teal {
  width: 34vmax; height: 34vmax; top: 48%; left: 8%; opacity: .22;
  background: radial-gradient(circle, var(--teal) 0%, transparent 62%);
  animation: drift-a 90s ease-in-out infinite reverse;
}
.mesh__vignette {
  position: absolute; inset: 0;
  background: radial-gradient(ellipse at 50% 45%, transparent 35%, rgba(5, 8, 13, .75) 100%);
}
@keyframes drift-a { 0%, 100% { transform: translate(0, 0) scale(1); } 50% { transform: translate(10vw, 10vh) scale(1.1); } }
@keyframes drift-b { 0%, 100% { transform: translate(0, 0) scale(1); } 50% { transform: translate(-12vw, 10vh) scale(1.12); } }
@keyframes drift-c { 0%, 100% { transform: translate(0, 0) scale(1); } 50% { transform: translate(-10vw, -12vh) scale(.94); } }

@media (prefers-reduced-motion: reduce), (max-width: 768px) {
  .mesh__blob { animation: none; }
}

/* ===== Podstawy ===== */
.page { position: relative; z-index: 1; }
.wrap { width: min(100%, 74rem); margin-inline: auto; padding-inline: var(--gutter); }

a { color: var(--accent); text-underline-offset: .22em; text-decoration-thickness: 1px; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }

h1, h2, h3 { font-family: var(--font-display); text-wrap: balance; }
p { text-wrap: pretty; }

.skip {
  position: fixed; left: var(--gutter); top: .75rem; z-index: 20;
  padding: .5rem .875rem; background: var(--text); color: var(--base);
  border-radius: 6px; transform: translateY(-200%);
}
.skip:focus { transform: none; }

/* ===== Nagłówek ===== */
.top { position: relative; z-index: 10; }
@media (min-width: 52rem) {
  .top {
    position: sticky; top: 0;
    background: linear-gradient(rgba(5, 8, 13, .82), rgba(5, 8, 13, .55));
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--line);
  }
}
.top__inner { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: .5rem 2rem; padding-block: .75rem; }
.top nav { display: flex; flex-wrap: wrap; align-items: center; gap: 0 1.5rem; }
.top a { display: inline-block; color: var(--muted); text-decoration: none; padding-block: .625rem; transition: color .2s; }
.top a:hover, .top a.is-active { color: var(--text); }
.top nav > a { position: relative; }
.top nav > a::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: .35rem; height: 2px;
  background: var(--accent); border-radius: 2px;
  transform: scaleX(0); transform-origin: left; transition: transform .35s var(--ease);
}
.top nav > a:hover::after, .top nav > a.is-active::after { transform: scaleX(1); }
.brand { display: inline-flex !important; align-items: center; gap: .625rem; color: var(--text) !important; font-weight: 650; }
.brand__mark {
  display: grid; place-items: center; width: 2.25rem; height: 2.25rem; border-radius: 10px;
  background: linear-gradient(140deg, var(--cyan), var(--green));
  color: #fff; font-size: .875rem; font-weight: 700; letter-spacing: .02em;
}
.lang { display: flex; gap: .125rem; margin: 0 0 0 .5rem; padding: .1875rem; list-style: none; border: 1px solid var(--line); border-radius: 999px; }
.lang a { padding: .375rem .75rem; border-radius: 999px; font-size: .875rem; font-weight: 650; letter-spacing: .04em; }
.lang a[aria-current="page"] { background: rgba(102, 220, 214, .16); color: var(--text); }

/* ===== Hero ===== */
.hero { min-height: min(88vh, 54rem); display: grid; align-content: center; padding-block: clamp(3rem, 10vh, 6rem) clamp(4rem, 12vh, 7rem); }
.status {
  display: inline-flex; align-items: center; gap: .625rem; width: fit-content;
  padding: .375rem .875rem; border: 1px solid var(--panel-line); border-radius: 999px;
  background: rgba(9, 16, 28, .5); color: var(--muted); font-size: .9375rem;
}
.status__dot { width: .5rem; height: .5rem; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 0 rgba(102, 220, 214, .6); animation: pulse 2.4s ease-out infinite; }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 rgba(102, 220, 214, .55); } 80%, 100% { box-shadow: 0 0 0 .6rem rgba(102, 220, 214, 0); } }
h1 {
  margin: 1.5rem 0 0;
  font-size: clamp(3rem, 10vw, 6rem); font-weight: 750; line-height: .98;
  letter-spacing: -.035em;
}
h1 .soft { color: #9fd9ea; }
.lead { margin: 1.75rem 0 0; max-width: 40rem; font-size: clamp(1.1875rem, 2.4vw, 1.5rem); line-height: 1.5; }
.after { margin: 1.25rem 0 0; color: var(--muted); font-size: clamp(1.0625rem, 2vw, 1.25rem); }
.rotator { display: inline-block; color: var(--accent); font-weight: 650; transition: opacity .35s var(--ease), transform .35s var(--ease); }
.rotator.is-out { opacity: 0; transform: translateY(-.35em); }
.actions { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 2.25rem; }

.btn {
  display: inline-flex; align-items: center; gap: .5rem;
  min-height: 3rem; padding: .75rem 1.375rem; border-radius: 999px;
  border: 1px solid transparent; font: 650 1rem/1 var(--font); text-decoration: none; cursor: pointer;
  transition: transform .25s var(--ease), background-color .25s, border-color .25s, box-shadow .25s;
}
.btn svg { width: 1.125rem; height: 1.125rem; flex: none; }
.btn--primary { background: var(--accent); color: #041016; box-shadow: 0 8px 28px -10px rgba(102, 220, 214, .65); }
.btn--primary:hover { background: #8ae8e3; transform: translateY(-2px); box-shadow: 0 14px 34px -12px rgba(102, 220, 214, .8); }
.btn--ghost { border-color: var(--panel-line); color: var(--text); background: rgba(9, 16, 28, .45); }
.btn--ghost:hover { border-color: rgba(102, 220, 214, .5); transform: translateY(-2px); }

/* ===== Panele z treścią ===== */
main { display: grid; gap: clamp(1.25rem, 3vw, 2rem); padding-bottom: clamp(2rem, 6vw, 4rem); }
.panel {
  position: relative;
  padding: clamp(1.5rem, 5vw, 3.5rem);
  border: 1px solid var(--panel-line); border-radius: 24px;
  background: var(--panel);
  backdrop-filter: blur(18px) saturate(125%);
  -webkit-backdrop-filter: blur(18px) saturate(125%);
  box-shadow: 0 30px 60px -30px rgba(0, 0, 0, .6);
}
.panel::before {
  content: ""; position: absolute; inset: 0 2rem auto; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(102, 220, 214, .55), transparent);
}
.panel__head { display: grid; gap: .75rem; max-width: 46rem; }
h2 { margin: 0; font-size: clamp(1.875rem, 4.5vw, 2.75rem); font-weight: 750; line-height: 1.1; letter-spacing: -.025em; }
.intro { margin: 0; color: var(--muted); font-size: clamp(1.0625rem, 1.8vw, 1.1875rem); max-width: 62ch; }
.prose p { max-width: 65ch; margin: 1.125rem 0 0; }
.prose p:first-child { margin-top: 0; }

/* O mnie */
.about { display: grid; gap: 2rem 3.5rem; margin-top: 2rem; }
@media (min-width: 60rem) { .about { grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr); } }
.facts { display: grid; gap: .75rem; margin: 0; padding: 0; list-style: none; align-content: start; }
.facts li {
  display: grid; grid-template-columns: 2.5rem 1fr; gap: .875rem; align-items: center;
  padding: .875rem 1rem; border-radius: 14px; background: var(--tile); border: 1px solid var(--line);
}
.facts svg { width: 1.375rem; height: 1.375rem; justify-self: center; color: var(--accent); }
.facts strong { display: block; font-weight: 650; }
.facts span { color: var(--muted); font-size: .9375rem; }

/* Role */
.roles { display: grid; gap: 1.25rem; margin-top: 2.25rem; }
@media (min-width: 52rem) { .roles { grid-template-columns: 1fr 1fr; } }
.role {
  position: relative; overflow: hidden;
  padding: clamp(1.25rem, 3vw, 2rem); border-radius: 18px;
  background: var(--tile); border: 1px solid var(--line);
}
.role h3 { margin: 0; font-size: 1.375rem; line-height: 1.25; letter-spacing: -.01em; }
.role .tag { margin: .375rem 0 0; color: var(--accent); font-size: .9375rem; font-weight: 600; }
.role > p { margin: 1rem 0 0; color: var(--muted); }
.checks { display: grid; gap: .625rem; margin: 1.25rem 0 0; padding: 0; list-style: none; }
.checks li { position: relative; padding-left: 1.75rem; }
.checks li::before {
  content: ""; position: absolute; left: 0; top: .5em; width: 1rem; height: .5rem;
  border-left: 2px solid var(--accent); border-bottom: 2px solid var(--accent);
  transform: translateY(-35%) rotate(-45deg); transform-origin: center;
}

/* Ścieżka */
.path-title { margin: 3rem 0 0; font-size: 1.375rem; }
.path { position: relative; margin: 1.5rem 0 0; padding: 0; list-style: none; }
.path li { position: relative; display: grid; gap: .25rem 2rem; padding: 0 0 1.75rem 2.25rem; }
.path li:last-child { padding-bottom: 0; }
.path li::before {
  content: ""; position: absolute; left: .4375rem; top: .5rem; bottom: -.5rem; width: 2px;
  background: linear-gradient(var(--accent), var(--accent-2)); opacity: .9;
  transform-origin: top; transition: transform .9s var(--ease);
}
.path li:last-child::before { display: none; }
.path li::after {
  content: ""; position: absolute; left: 0; top: .3rem; width: 1rem; height: 1rem; border-radius: 50%;
  background: var(--base); border: 2px solid var(--accent); box-shadow: 0 0 0 4px rgba(102, 220, 214, .12);
}
@media (min-width: 44rem) {
  .path li { grid-template-columns: 6.5rem minmax(0, 1fr); }
}
.path .when { color: var(--accent); font-weight: 650; font-variant-numeric: tabular-nums; }
.path h4 { margin: 0; font-size: 1.0625rem; line-height: 1.4; }
.path p { margin: .25rem 0 0; color: var(--muted); max-width: 60ch; }

.edu { display: grid; gap: .75rem; margin: 2.75rem 0 0; padding: 0; list-style: none; }
@media (min-width: 44rem) { .edu { grid-template-columns: repeat(2, 1fr); } }
.edu li { padding: 1rem 1.125rem; border-radius: 14px; background: var(--tile); border: 1px solid var(--line); }
.edu strong { display: block; font-weight: 650; }
.edu span { color: var(--muted); font-size: .9375rem; }

/* Poza pracą: kafelki */
.bento { display: grid; gap: 1rem; margin-top: 2.25rem; }
@media (min-width: 40rem) {
  .bento { grid-template-columns: repeat(2, 1fr); }
  .tile--wide { grid-column: span 2; }
  .tile--wide + .tile--wide { grid-column: auto; }
}
@media (min-width: 64rem) {
  .bento { grid-template-columns: repeat(6, 1fr); }
  .tile { grid-column: span 2; }
  .tile--wide, .tile--wide + .tile--wide { grid-column: span 3; }
}
.tile {
  position: relative; overflow: hidden; isolation: isolate;
  padding: 1.5rem; border-radius: 18px;
  background: var(--tile); border: 1px solid var(--line);
  transition: border-color .3s, transform .4s var(--ease);
}
.tile:hover { border-color: rgba(102, 220, 214, .35); transform: translateY(-3px); }
.glow::after {
  content: ""; position: absolute; inset: 0; z-index: -1; opacity: 0; transition: opacity .3s;
  background: radial-gradient(260px circle at var(--gx, 50%) var(--gy, 50%), rgba(102, 220, 214, .14), transparent 70%);
}
.glow:hover::after { opacity: 1; }
.tile__icon {
  display: grid; place-items: center; width: 2.75rem; height: 2.75rem; border-radius: 12px;
  background: rgba(102, 220, 214, .1); color: var(--accent);
}
.tile__icon svg { width: 1.375rem; height: 1.375rem; }
.tile h3 { margin: 1.125rem 0 0; font-size: 1.25rem; line-height: 1.3; }
.tile p { margin: .5rem 0 0; color: var(--muted); }
.code {
  margin: 1.125rem 0 0; padding: .875rem 1rem; border-radius: 12px; overflow-x: auto;
  background: rgba(2, 6, 12, .7); border: 1px solid var(--line);
  font: .875rem/1.6 ui-monospace, "Cascadia Code", Consolas, monospace; color: #cfe3f1;
}
.code .k { color: #7cc7ff; } .code .s { color: #9be3c4; } .code .c { color: #8ea3b8; }
.honest {
  display: flex; gap: .875rem; align-items: flex-start; margin: 1.5rem 0 0; padding: 1.125rem 1.25rem;
  border-radius: 14px; border: 1px dashed rgba(102, 220, 214, .35); color: var(--muted);
}
.honest svg { width: 1.375rem; height: 1.375rem; flex: none; margin-top: .15rem; color: var(--accent); }
.honest p { margin: 0; }

/* Genealogia */
.genealogy { display: grid; gap: 2rem 3.5rem; margin-top: 2rem; align-items: center; }
@media (min-width: 60rem) { .genealogy { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); } }
.tree { width: 100%; height: auto; max-width: 34rem; justify-self: center; overflow: visible; }
.tree .lines { fill: none; stroke: url(#treeStroke); stroke-width: 2; stroke-linecap: round; }
.tree .node { fill: var(--base); stroke: var(--accent); stroke-width: 2; }
.tree .node--me { fill: var(--accent); }
.tree .node--far { stroke: var(--accent-2); stroke-dasharray: 3 3; }
.tree text { fill: var(--muted); font: 600 14px var(--font); }
.tree .label-me { fill: var(--text); }

/* Kontakt */
.contact { overflow: hidden; text-align: center; }
.contact .panel__head { margin-inline: auto; justify-items: center; }
.contact .intro { margin-inline: auto; }
.contact__glow {
  position: absolute; inset: auto -20% -60% -20%; height: 120%; z-index: -1; pointer-events: none;
  background: radial-gradient(closest-side, rgba(0, 180, 176, .22), transparent);
}
.mail-box {
  display: inline-flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: .75rem;
  margin-top: 2rem;
}
.mail-text { display: block; margin-top: 1.5rem; font: 700 clamp(1.375rem, 4.5vw, 2.25rem)/1.2 var(--font-display); letter-spacing: -.01em; overflow-wrap: anywhere; }
.mail-text a { color: var(--text); text-decoration-color: rgba(102, 220, 214, .6); }
.mail-text a:hover { color: var(--accent); }
.small { margin: 1.25rem 0 0; color: var(--muted); font-size: .9375rem; }

.toast {
  position: fixed; left: 50%; bottom: 1.5rem; z-index: 30;
  padding: .75rem 1.25rem; border-radius: 999px; background: var(--text); color: var(--base); font-weight: 650;
  transform: translate(-50%, 150%); opacity: 0; transition: transform .45s var(--ease), opacity .3s;
  pointer-events: none;
}
.toast.is-on { transform: translate(-50%, 0); opacity: 1; }

footer { position: relative; z-index: 1; padding-block: 1.5rem 2.5rem; color: var(--muted); font-size: .9375rem; }
footer .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: .5rem 1.5rem; }
footer a { color: var(--muted); }

/* ===== Ruch: tylko gdy działa JS i nikt nie ogranicza animacji ===== */
@media (prefers-reduced-motion: no-preference) {
  .rise { animation: rise 1s var(--ease) both; }
  h1.rise { animation-delay: .08s; } .lead.rise { animation-delay: .16s; } .after.rise { animation-delay: .24s; } .actions.rise { animation-delay: .32s; }
  .js .reveal { opacity: 0; transform: translateY(24px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
  .js .reveal.is-in { opacity: 1; transform: none; }
  .js .path li::before { transform: scaleY(0); }
  .js .path li.is-in::before { transform: scaleY(1); }
  .js .tree .lines path { stroke-dasharray: 1; stroke-dashoffset: 1; transition: stroke-dashoffset 1.1s var(--ease); }
  .js .tree .node, .js .tree text { opacity: 0; transition: opacity .6s var(--ease); }
  .js .tree.is-in .lines path, .js .tree.is-in .node, .js .tree.is-in text { stroke-dashoffset: 0; opacity: 1; }
  .tree .g1 { transition-delay: .3s !important; } .tree .g2 { transition-delay: .7s !important; } .tree .g3 { transition-delay: 1.1s !important; }
}
@media print {
  .mesh, .top, .actions, .mail-box, .toast { display: none; }
  .reveal, .rise, .tree * { opacity: 1 !important; transform: none !important; stroke-dashoffset: 0 !important; }
}

@keyframes rise { from { opacity: 0; transform: translateY(18px); } }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .status__dot { animation: none; }
  .btn, .tile, .rotator, .toast { transition: none; }
}