/* ==========================================================================
   Błąd Medyczny - design system
   Paleta: atrament + oksblood + teal (chłodna, kliniczna, nie "medyczna biel")
   Typografia: Spectral (display, serif) + Manrope (tekst)
   ========================================================================== */

:root{
  --bg:#f4f6f4;
  --bg-deep:#eceff0;
  --surface:#ffffff;
  --surface-2:#e9eeec;
  --ink:#101a1b;
  --ink-2:#33403f;
  --muted:#586866;
  --line:#d3dbd8;
  --line-strong:#b9c5c1;

  --accent:#8e1f32;
  --accent-strong:#711526;
  --accent-soft:#f6e7ea;
  --accent-on:#ffffff;

  --teal:#1d4e4a;
  --teal-soft:#e3efec;
  --gold:#96762f;
  --gold-soft:#f4eedd;

  --warn-bg:#f8eaec;
  --warn-line:#e3c3c9;
  --info-bg:#e8f0ee;
  --info-line:#c9dcd7;
  --tip-bg:#f4eedc;
  --tip-line:#e0d3ac;

  --font-display:"Spectral",Georgia,"Times New Roman",serif;
  --font-body:"Manrope",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;

  --header-h:68px;
  --sidebar-w:296px;
  --pad-x:clamp(20px,3.4vw,48px);
  --pad-top:30px;
  --radius:12px;
  --radius-sm:8px;

  --shadow-soft:0 1px 2px rgba(13,24,25,.05), 0 14px 34px -22px rgba(13,24,25,.30);
  --shadow-panel:0 2px 4px rgba(13,24,25,.06), 0 22px 44px -18px rgba(13,24,25,.28);

  --ease-out:cubic-bezier(.23,1,.32,1);
  --ease-in-out:cubic-bezier(.77,0,.175,1);
  --ease-drawer:cubic-bezier(.32,.72,0,1);

  --z-header:600;
  --z-drawer:700;
  --z-scrim:650;
  --z-cookie:800;
  --z-search:900;
}

@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --bg:#0b1314;
    --bg-deep:#080f10;
    --surface:#101b1c;
    --surface-2:#172527;
    --ink:#e9efed;
    --ink-2:#c6d2cf;
    --muted:#97a6a3;
    --line:#223436;
    --line-strong:#2e4447;
    --accent:#e5879a;
    --accent-strong:#f0a0b0;
    --accent-soft:#2a1418;
    --accent-on:#180a0d;
    --teal:#82c6bb;
    --teal-soft:#10221f;
    --gold:#d4b36d;
    --gold-soft:#221d10;
    --warn-bg:#2a1519;
    --warn-line:#4a2830;
    --info-bg:#102220;
    --info-line:#264641;
    --tip-bg:#221d10;
    --tip-line:#3d341b;
    --shadow-soft:0 1px 2px rgba(0,0,0,.4), 0 18px 40px -24px rgba(0,0,0,.7);
    --shadow-panel:0 2px 6px rgba(0,0,0,.45), 0 26px 50px -20px rgba(0,0,0,.75);
  }
}

:root[data-theme="dark"]{
  --bg:#0b1314;
  --bg-deep:#080f10;
  --surface:#101b1c;
  --surface-2:#172527;
  --ink:#e9efed;
  --ink-2:#c6d2cf;
  --muted:#97a6a3;
  --line:#223436;
  --line-strong:#2e4447;
  --accent:#e5879a;
  --accent-strong:#f0a0b0;
  --accent-soft:#2a1418;
  --accent-on:#180a0d;
  --teal:#82c6bb;
  --teal-soft:#10221f;
  --gold:#d4b36d;
  --gold-soft:#221d10;
  --warn-bg:#2a1519;
  --warn-line:#4a2830;
  --info-bg:#102220;
  --info-line:#264641;
  --tip-bg:#221d10;
  --tip-line:#3d341b;
  --shadow-soft:0 1px 2px rgba(0,0,0,.4), 0 18px 40px -24px rgba(0,0,0,.7);
  --shadow-panel:0 2px 6px rgba(0,0,0,.45), 0 26px 50px -20px rgba(0,0,0,.75);
}

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

html{
  font-size:17px;
  -webkit-text-size-adjust:100%;
  scroll-behavior:smooth;
  scroll-padding-top:calc(var(--header-h) + 20px);
}

body{
  margin:0;
  background:var(--bg);
  background-image:
    radial-gradient(720px 460px at 100% -6%, var(--accent-soft) 0%, transparent 68%),
    radial-gradient(900px 520px at -12% 104%, var(--teal-soft) 0%, transparent 66%);
  background-attachment:fixed;
  color:var(--ink);
  font-family:var(--font-body);
  font-size:1rem;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

img,svg{max-width:100%}
img{height:auto}
a{color:var(--accent);text-decoration-thickness:1px;text-underline-offset:3px}
a:hover{color:var(--accent-strong)}
::selection{background:var(--accent-soft);color:var(--ink)}

h1,h2,h3,h4{
  font-family:var(--font-display);
  font-weight:500;
  line-height:1.14;
  letter-spacing:-.018em;
  margin:0;
  text-wrap:balance;
  color:var(--ink);
}

p{margin:0 0 1.1em}
p:last-child{margin-bottom:0}

:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:3px}
[hidden]{display:none !important}

.skip-link{
  position:absolute;left:-9999px;top:12px;z-index:1000;
  background:var(--surface);color:var(--ink);
  padding:10px 16px;border:1px solid var(--line);border-radius:var(--radius-sm);
  font-size:.9rem;font-weight:600;
}
.skip-link:focus{left:12px}

/* ============================ HEADER ============================ */

.app-header{
  position:sticky;top:0;z-index:var(--z-header);
  height:var(--header-h);
  display:flex;align-items:center;gap:18px;
  padding:0 26px;
  background:var(--surface);
  border-bottom:1px solid var(--line);
}
.app-header::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;
  background:linear-gradient(90deg,transparent,var(--accent) 22%,var(--gold) 50%,transparent 82%);
  opacity:.34;pointer-events:none;
}

.brand{
  display:inline-flex;align-items:center;gap:10px;
  color:var(--ink);text-decoration:none;flex:0 0 auto;
}
.brand:hover{color:var(--ink)}
.brand-mark{color:var(--accent);flex:0 0 auto}
.brand-name{
  font-family:var(--font-display);
  font-size:1.24rem;line-height:1;letter-spacing:-.02em;white-space:nowrap;
}
.brand-name em{font-style:italic;color:var(--accent)}

.icon-btn{
  width:42px;height:42px;flex:0 0 auto;
  display:inline-flex;align-items:center;justify-content:center;
  background:transparent;border:1px solid transparent;border-radius:var(--radius-sm);
  color:var(--ink-2);cursor:pointer;
  transition:background-color .16s ease,color .16s ease,border-color .16s ease;
}
.icon-btn:hover{background:var(--surface-2);color:var(--ink);border-color:var(--line)}
.icon-btn:active{transform:scale(.96)}
.menu-btn{display:none}

.search{position:relative;margin-left:auto;flex:1 1 320px;max-width:380px;min-width:200px}
.search-icon{position:absolute;left:12px;top:50%;transform:translateY(-50%);color:var(--muted);pointer-events:none}
.search input{
  width:100%;height:40px;
  padding:0 12px 0 36px;
  background:var(--bg);
  border:1px solid var(--line);
  border-radius:999px;
  color:var(--ink);
  font-family:var(--font-body);font-size:.9rem;
  transition:border-color .16s ease,background-color .16s ease,box-shadow .16s ease;
  appearance:none;
}
.search input::placeholder{color:var(--muted)}
.search input:focus{
  outline:none;background:var(--surface);
  border-color:var(--accent);
  box-shadow:0 0 0 3px var(--accent-soft);
}
.search input::-webkit-search-cancel-button{-webkit-appearance:none}

.search-results{
  position:absolute;top:calc(100% + 10px);right:0;left:0;
  z-index:var(--z-search);
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow-panel);
  max-height:min(62vh,460px);overflow-y:auto;
  padding:6px;
  transform-origin:top right;
  animation:panelIn .14s var(--ease-out) both;
}
@keyframes panelIn{from{opacity:0;transform:translateY(-4px) scale(.99)}to{opacity:1;transform:none}}
.search-item{
  display:block;padding:9px 11px;border-radius:6px;
  text-decoration:none;color:var(--ink);
}
.search-item .si-title{display:block;font-size:.93rem;font-weight:600;line-height:1.35}
.search-item .si-sec{display:block;font-size:.74rem;color:var(--muted);letter-spacing:.02em;margin-top:2px}
.search-item:hover,.search-item[aria-selected="true"]{background:var(--surface-2);color:var(--ink)}
.search-empty{padding:14px 12px;font-size:.88rem;color:var(--muted)}

.theme-btn{position:relative}
.theme-btn .ico-sun{display:none}
:root[data-theme="dark"] .theme-btn .ico-moon{display:none}
:root[data-theme="dark"] .theme-btn .ico-sun{display:block}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]) .theme-btn .ico-moon{display:none}
  :root:not([data-theme="light"]) .theme-btn .ico-sun{display:block}
}

/* ============================ SHELL ============================ */

.shell{
  display:grid;
  grid-template-columns:var(--sidebar-w) minmax(0,1fr);
  max-width:1560px;
  margin:0 auto;
  align-items:start;
}

.sidebar{
  position:sticky;
  top:var(--header-h);
  height:calc(100dvh - var(--header-h));
  overflow-y:auto;
  overscroll-behavior:contain;
  border-right:1px solid var(--line);
  background:linear-gradient(180deg,var(--bg) 0%,var(--bg) 100%);
}
.sidebar-inner{padding:26px 18px 48px 22px}
.sidebar-label{
  font-size:.68rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;
  color:var(--muted);margin:0 0 14px 10px;
}
.nav-section{margin-bottom:20px}
.nav-section-title{
  display:block;
  font-size:.7rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;
  color:var(--muted);
  padding:0 10px;margin:0 0 6px;
}
.nav-list{list-style:none;margin:0;padding:0}
.nav-list a{
  position:relative;display:block;
  padding:6px 10px 6px 14px;
  font-size:.9rem;line-height:1.4;
  color:var(--ink-2);text-decoration:none;
  border-radius:6px;
  transition:background-color .16s ease,color .16s ease;
}
.nav-list a::before{
  content:"";position:absolute;left:3px;top:50%;
  width:5px;height:5px;margin-top:-2.5px;
  background:var(--accent);border-radius:1px;
  opacity:0;transform:scale(.4);
  transition:opacity .18s var(--ease-out),transform .18s var(--ease-out);
}
.nav-list a:hover{background:var(--surface-2);color:var(--ink)}
.nav-list a:hover::before{opacity:.45;transform:none}
.nav-list a.is-active{
  background:var(--accent-soft);color:var(--accent);font-weight:600;
  box-shadow:inset 0 0 0 1px color-mix(in srgb, var(--accent) 22%, transparent);
}
.nav-list a.is-active::before{opacity:1;transform:none}

.sidebar-foot{margin:28px 10px 0;padding-top:18px;border-top:1px solid var(--line)}
.sidebar-note{font-size:.72rem;line-height:1.55;color:var(--muted);margin:0 0 6px}
.sidebar-mail{font-size:.76rem;font-weight:600;color:var(--ink-2);text-decoration:none}
.sidebar-mail:hover{color:var(--accent)}

.scrim{
  position:fixed;inset:0;z-index:var(--z-scrim);
  background:rgba(6,13,14,.52);
  opacity:0;transition:opacity .26s ease;
  border:0;
}
.scrim.is-visible{opacity:1}

/* ============================ MAIN ============================ */

main{
  min-width:0;
  padding:var(--pad-top) var(--pad-x) 90px;
  max-width:1240px;
}
main:focus{outline:none}

.page-enter{animation:pageIn .3s var(--ease-out) both}
@keyframes pageIn{from{opacity:0;transform:translateY(9px)}to{opacity:1;transform:none}}

/* ============================ HERO ============================ */

.hero{
  position:relative;
  isolation:isolate;
  display:flex;align-items:flex-end;
  min-height:clamp(430px,54vh,560px);
  margin:calc(-1 * var(--pad-top)) calc(-1 * var(--pad-x)) 0;
  overflow:hidden;
  background:#0b1415;
}
.hero-media{position:absolute;inset:0;z-index:-2}
.hero-media img{
  width:100%;height:100%;object-fit:cover;object-position:center 42%;
  filter:grayscale(1) contrast(1.06) brightness(.92);
  animation:heroSettle 1.4s var(--ease-out) both;
}
@keyframes heroSettle{from{transform:scale(1.045)}to{transform:scale(1)}}
.hero::after{
  content:"";position:absolute;inset:0;z-index:-1;
  background:
    linear-gradient(102deg,rgba(7,14,15,.95) 0%,rgba(7,14,15,.9) 34%,rgba(7,14,15,.55) 62%,rgba(7,14,15,.3) 100%),
    linear-gradient(0deg,rgba(7,14,15,.7) 0%,transparent 46%);
}
.hero-inner{
  position:relative;
  padding:clamp(26px,3.6vw,54px);
  max-width:800px;
  color:#eef2f0;
}
.hero-brand{
  display:flex;align-items:center;gap:11px;
  font-family:var(--font-display);
  font-size:1.42rem;line-height:1;letter-spacing:-.015em;
  color:#fff;margin:0 0 18px;
  animation:riseIn .55s var(--ease-out) .05s both;
}
.hero-brand::before{
  content:"";width:26px;height:3px;background:var(--accent);flex:0 0 auto;
}
.hero-brand em{font-style:italic;color:#f2b8c2}
.hero h1{
  font-size:clamp(2.15rem,4.6vw,3.85rem);
  line-height:1.03;
  letter-spacing:-.03em;
  color:#fff;
  max-width:19ch;
  animation:riseIn .6s var(--ease-out) .12s both;
}
.hero-lede{
  font-size:clamp(.98rem,1.2vw,1.09rem);
  line-height:1.62;
  color:#d5e0dc;
  max-width:52ch;
  margin:18px 0 26px;
  animation:riseIn .6s var(--ease-out) .19s both;
}
@keyframes riseIn{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}

.hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:18px;animation:riseIn .6s var(--ease-out) .26s both}
.btn-primary{
  display:inline-flex;align-items:center;gap:10px;
  padding:14px 22px;
  background:var(--accent);color:#fff;
  font-size:.94rem;font-weight:600;letter-spacing:.005em;
  text-decoration:none;border-radius:var(--radius-sm);
  border:1px solid rgba(255,255,255,.14);
  transition:background-color .18s ease,transform .16s var(--ease-out);
}
.btn-primary:hover{background:#a12a3e;color:#fff}
.btn-primary:active{transform:scale(.98)}
.btn-primary svg{transition:transform .22s var(--ease-out)}
.btn-primary:hover svg{transform:translateX(3px)}

.hero-facts{
  display:flex;gap:10px;flex-wrap:wrap;
  font-size:.79rem;color:#b9c7c3;
}
.hero-facts span{position:relative;padding-right:12px}
.hero-facts span:not(:last-child)::after{
  content:"";position:absolute;right:2px;top:50%;width:3px;height:3px;border-radius:50%;
  background:currentColor;opacity:.55;transform:translateY(-50%)
}

/* ============================ SECTION HEADS ============================ */

.section-head{
  border-top:1px solid var(--line-strong);
  padding-top:20px;
  margin:56px 0 24px;
}
.section-head h2{
  font-size:clamp(1.5rem,2.5vw,2rem);
  margin:0 0 8px;
}
.section-note{
  font-size:.94rem;line-height:1.6;color:var(--muted);
  max-width:62ch;margin:0;
}

/* ============================ TIMELINE ============================ */

.timeline{
  list-style:none;margin:34px 0 0;padding:0 0 0 56px;
  position:relative;
}
.timeline::before{
  content:"";position:absolute;left:19px;top:10px;bottom:26px;width:1px;
  background:var(--line-strong);
  transform:scaleY(0);transform-origin:top;
  transition:transform .9s var(--ease-out);
}
.timeline.is-in::before{transform:scaleY(1)}
.timeline li{
  position:relative;
  padding:0 0 30px;
  opacity:0;transform:translateY(10px);
  transition:opacity .45s var(--ease-out),transform .45s var(--ease-out);
}
.timeline.is-in li{opacity:1;transform:none}
.timeline.is-in li:nth-child(2){transition-delay:.08s}
.timeline.is-in li:nth-child(3){transition-delay:.16s}
.timeline.is-in li:nth-child(4){transition-delay:.24s}
.timeline.is-in li:nth-child(5){transition-delay:.32s}
.step-num{
  position:absolute;left:-56px;top:-3px;
  display:flex;align-items:center;justify-content:center;
  width:38px;height:28px;
  background:var(--bg);
  font-family:var(--font-display);font-size:1.02rem;
  color:var(--accent);font-variant-numeric:tabular-nums;
}
.step-title{
  font-family:var(--font-display);font-size:1.14rem;font-weight:500;
  margin:0 0 4px;letter-spacing:-.01em;
}
.step-text{font-size:.94rem;line-height:1.62;color:var(--ink-2);margin:0 0 6px;max-width:64ch}
.step-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:.83rem;font-weight:600;color:var(--accent);text-decoration:none;
}
.step-link:hover{text-decoration:underline}
.step-link svg{transition:transform .2s var(--ease-out)}
.step-link:hover svg{transform:translateX(3px)}

/* ============================ INDEX LISTS ============================ */

.index-section{margin-bottom:14px}
.index-grid{display:grid;grid-template-columns:1fr;gap:0}
.article-list{list-style:none;margin:0;padding:0}
.article-list li{border-top:1px solid var(--line)}
.article-list li:first-child{border-top:0}
.article-row{
  display:grid;grid-template-columns:minmax(0,1fr) auto;
  align-items:start;gap:16px;
  padding:16px 4px 16px 0;
  text-decoration:none;color:var(--ink);
  transition:background-color .18s ease,padding-left .22s var(--ease-out);
}
.article-row:hover{background:var(--surface);padding-left:12px;color:var(--ink)}
.article-row h3{
  font-size:1.06rem;font-weight:500;line-height:1.32;
  margin:0 0 4px;letter-spacing:-.012em;
}
.article-row:hover h3{color:var(--accent)}
.article-row p{
  font-size:.87rem;line-height:1.55;color:var(--muted);margin:0;max-width:72ch;
}
.article-row .row-arrow{
  color:var(--muted);margin-top:4px;
  opacity:0;transform:translateX(-4px);
  transition:opacity .2s ease,transform .2s var(--ease-out),color .2s ease;
}
.article-row:hover .row-arrow{opacity:1;transform:none;color:var(--accent)}

/* ============================ ARTICLE ============================ */

.article{max-width:760px}
.crumbs{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:.78rem;color:var(--muted);margin:0 0 18px;
}
.crumbs a{color:var(--muted);text-decoration:none}
.crumbs a:hover{color:var(--accent);text-decoration:underline}
.crumbs .sep{opacity:.45}
.article-title{
  font-size:clamp(1.95rem,3.9vw,3rem);
  line-height:1.07;letter-spacing:-.028em;
  margin:0 0 14px;
}
.article-lede{
  font-family:var(--font-display);
  font-size:clamp(1.05rem,1.5vw,1.2rem);
  line-height:1.55;font-style:italic;
  color:var(--ink-2);
  margin:0 0 18px;max-width:56ch;
}
.article-meta{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  font-size:.76rem;letter-spacing:.02em;color:var(--muted);
  padding-bottom:20px;border-bottom:1px solid var(--line);
}
.article-meta .dot{width:3px;height:3px;border-radius:50%;background:currentColor;opacity:.6}

.toc{
  margin:28px 0 34px;
  padding:18px 20px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
}
.toc p{
  font-size:.7rem;font-weight:700;letter-spacing:.11em;text-transform:uppercase;
  color:var(--muted);margin:0 0 10px;
}
.toc ol{list-style:none;margin:0;padding:0;counter-reset:toc}
.toc li{counter-increment:toc;margin:0}
.toc a{
  display:flex;gap:10px;
  padding:5px 0;
  font-size:.9rem;line-height:1.4;
  color:var(--ink-2);text-decoration:none;
}
.toc a::before{
  content:counter(toc,decimal-leading-zero);
  font-family:var(--font-display);font-size:.82rem;
  color:var(--accent);opacity:.75;flex:0 0 22px;
}
.toc a:hover{color:var(--accent)}

.article-body{
  font-size:1.02rem;
  line-height:1.72;
  color:var(--ink-2);
}
.article-body > p:first-of-type{
  font-size:1.06rem;
  color:var(--ink);
}
.article-body p{max-width:68ch;margin:0 0 1.1em}
.article-body h2{
  font-size:clamp(1.4rem,2.2vw,1.72rem);
  line-height:1.2;letter-spacing:-.02em;
  color:var(--ink);
  margin:2.2em 0 .55em;
  scroll-margin-top:calc(var(--header-h) + 24px);
}
.article-body h3{
  font-size:1.18rem;line-height:1.3;
  color:var(--ink);
  margin:1.6em 0 .4em;
}
.article-body h2:first-child{margin-top:0}
.article-body ul,.article-body ol{
  margin:0 0 1.2em;padding-left:1.25em;max-width:66ch;
}
.article-body li{margin:0 0 .42em}
.article-body li::marker{color:var(--accent)}
.article-body strong{color:var(--ink);font-weight:600}
.article-body a{color:var(--accent);font-weight:500}
.article-body a:hover{color:var(--accent-strong)}
.article-body figure{margin:1.6em 0}
.article-body figcaption{font-size:.78rem;color:var(--muted);margin-top:8px}
.article-body blockquote{
  margin:1.7em 0;padding:0 0 0 0;
  font-family:var(--font-display);font-size:1.16rem;font-style:italic;line-height:1.55;
  color:var(--ink);
}
.article-body blockquote p{margin:0;max-width:56ch}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2.2em 0}

/* komponenty treści */
.table-responsive{
  overflow-x:auto;
  margin:1.7em 0;
  border:1px solid var(--line);
  border-radius:var(--radius);
  background:var(--surface);
}
table,.data-table{
  width:100%;border-collapse:collapse;
  font-size:.9rem;line-height:1.5;
  min-width:520px;
}
table caption{
  caption-side:top;text-align:left;
  padding:14px 16px 4px;
  font-size:.76rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;
  color:var(--muted);
}
table th{
  text-align:left;font-weight:700;font-size:.79rem;
  letter-spacing:.04em;text-transform:uppercase;
  color:var(--ink);
  background:var(--surface-2);
  padding:11px 14px;
  border-bottom:1px solid var(--line-strong);
}
table td{
  padding:11px 14px;
  border-bottom:1px solid var(--line);
  color:var(--ink-2);vertical-align:top;
}
table tr:last-child td{border-bottom:0}
table tbody tr:hover td{background:var(--surface-2)}

.info-box,.warning-box,.tip-box,.key-takeaways{
  margin:1.7em 0;padding:17px 19px;
  border:1px solid var(--info-line);
  border-radius:var(--radius);
  background:var(--info-bg);
  color:var(--ink);
  font-size:.96rem;line-height:1.62;
}
.info-box p,.warning-box p,.tip-box p,.key-takeaways p{max-width:64ch;margin:0 0 .6em}
.info-box p:last-child,.warning-box p:last-child,.tip-box p:last-child,.key-takeaways p:last-child{margin-bottom:0}
.info-box ul,.warning-box ul,.tip-box ul,.key-takeaways ul{margin:.4em 0 0;padding-left:1.15em}
.info-box strong:first-child,.warning-box strong:first-child,.tip-box strong:first-child{
  display:block;font-size:.72rem;letter-spacing:.09em;text-transform:uppercase;
  color:var(--teal);margin-bottom:6px;
}
.warning-box{background:var(--warn-bg);border-color:var(--warn-line)}
.warning-box strong:first-child{color:var(--accent)}
.tip-box,.key-takeaways{background:var(--tip-bg);border-color:var(--tip-line)}
.tip-box strong:first-child,.key-takeaways strong:first-child{color:var(--gold)}

.faq-item{border-top:1px solid var(--line);margin:0}
.faq-item:first-of-type{border-top:1px solid var(--line-strong)}
.faq-item details{group:faq}
.faq-item summary{
  list-style:none;cursor:pointer;
  position:relative;
  padding:16px 38px 16px 0;
  font-family:var(--font-display);font-size:1.02rem;font-weight:500;line-height:1.4;
  color:var(--ink);
  transition:color .18s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"";position:absolute;right:6px;top:50%;
  width:9px;height:9px;margin-top:-6px;
  border-right:1.6px solid var(--accent);border-bottom:1.6px solid var(--accent);
  transform:rotate(45deg);
  transition:transform .24s var(--ease-out);
}
.faq-item details[open] summary{color:var(--accent)}
.faq-item details[open] summary::after{transform:rotate(225deg);margin-top:-1px}
.faq-a{padding:0 38px 18px 0;color:var(--ink-2);font-size:.96rem;line-height:1.66}
.faq-a p{max-width:66ch}

dl.glossary{margin:1.4em 0}
dl.glossary dt{
  font-family:var(--font-display);font-size:1.04rem;font-weight:600;
  color:var(--ink);margin:1.25em 0 0;padding-top:1.1em;
  border-top:1px solid var(--line);
}
dl.glossary dt:first-child{border-top:0;padding-top:0;margin-top:0}
dl.glossary dd{margin:.3em 0 0;color:var(--ink-2);font-size:.96rem;line-height:1.66;max-width:66ch}

/* stopka artykułu */
.article-foot{
  margin-top:56px;padding-top:26px;border-top:1px solid var(--line-strong);
}
.foot-head{
  font-size:.7rem;font-weight:700;letter-spacing:.11em;text-transform:uppercase;
  color:var(--muted);margin:0 0 14px;
}
.related{list-style:none;margin:0 0 28px;padding:0}
.related li{border-top:1px solid var(--line)}
.related li:first-child{border-top:0}
.related a{
  display:flex;justify-content:space-between;align-items:baseline;gap:16px;
  padding:11px 0;text-decoration:none;color:var(--ink);
}
.related a span{font-family:var(--font-display);font-size:1rem;line-height:1.35}
.related a small{font-size:.72rem;color:var(--muted);white-space:nowrap}
.related a:hover span{color:var(--accent)}
.next-link{
  display:flex;flex-direction:column;gap:3px;
  padding:16px 18px;
  border:1px solid var(--line);border-radius:var(--radius);
  background:var(--surface);text-decoration:none;
  transition:border-color .18s ease,transform .18s var(--ease-out);
}
.next-link:hover{border-color:var(--accent);transform:translateY(-1px)}
.next-link .nl-label{font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.next-link .nl-title{font-family:var(--font-display);font-size:1.05rem;color:var(--ink)}

.notfound{padding:40px 0;max-width:640px}
.notfound h1{font-size:clamp(1.8rem,3.6vw,2.6rem);margin-bottom:12px}
.notfound p{color:var(--ink-2)}

/* ============================ FOOTER ============================ */

.site-footer{
  border-top:1px solid var(--line);
  background:var(--surface);
  padding:44px clamp(20px,3.4vw,48px) 26px;
}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1.4fr;gap:36px;
  max-width:1240px;margin:0 auto;
}
.footer-logo{
  font-family:var(--font-display);font-size:1.18rem;color:var(--ink);margin:0 0 8px;
}
.footer-logo em{font-style:italic;color:var(--accent)}
.footer-line{font-size:.87rem;line-height:1.6;color:var(--muted);max-width:40ch;margin:0}
.footer-head{
  font-size:.7rem;font-weight:700;letter-spacing:.11em;text-transform:uppercase;
  color:var(--muted);margin:0 0 10px;
}
.footer-col a{
  display:block;font-size:.88rem;color:var(--ink-2);text-decoration:none;
  padding:3px 0;
}
.footer-col a:hover{color:var(--accent)}
.footer-legal p{font-size:.79rem;line-height:1.6;color:var(--muted);margin:0 0 8px}
.footer-mail a{font-weight:600;color:var(--ink-2)}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  max-width:1240px;margin:34px auto 0;padding-top:16px;
  border-top:1px solid var(--line);
}
.footer-bottom p{font-size:.75rem;color:var(--muted);margin:0}

/* ============================ COOKIE BAR ============================ */

.vd-cookie-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:var(--z-cookie);
  background:var(--surface);
  border-top:1px solid var(--line-strong);
  box-shadow:0 -12px 40px -24px rgba(0,0,0,.4);
  padding:14px clamp(16px,3vw,32px);
  animation:barIn .3s var(--ease-out) both;
}
@keyframes barIn{from{transform:translateY(100%)}to{transform:none}}
.vd-cookie-inner{
  display:flex;align-items:center;gap:22px;flex-wrap:wrap;
  max-width:1240px;margin:0 auto;
}
.vd-cookie-text{flex:1 1 420px;font-size:.79rem;line-height:1.55;color:var(--ink-2);margin:0}
.vd-cookie-actions{display:flex;gap:10px;flex-wrap:wrap}
.vd-btn{
  padding:9px 16px;border-radius:6px;cursor:pointer;
  font-family:var(--font-body);font-size:.82rem;font-weight:600;
  transition:background-color .16s ease,border-color .16s ease,transform .14s ease;
}
.vd-btn:active{transform:scale(.98)}
.vd-btn-ghost{background:transparent;color:var(--ink-2);border:1px solid var(--line-strong)}
.vd-btn-ghost:hover{border-color:var(--ink-2);color:var(--ink)}
.vd-btn-solid{background:var(--accent);color:#fff;border:1px solid var(--accent)}
.vd-btn-solid:hover{background:var(--accent-strong)}

/* ============================ RESPONSIVE ============================ */

@media (max-width:1180px){
  :root{--sidebar-w:264px}
  :root{--pad-x:26px}
  .sidebar-inner{padding:22px 12px 40px 16px}
  .nav-list a{font-size:.88rem;padding-left:12px}
}

@media (max-width:1000px){
  .shell{display:block}
  .menu-btn{display:inline-flex}
  .app-header{padding:0 14px;gap:10px}
  .brand-name{font-size:1.1rem}
  .brand-mark{width:22px;height:22px}

  .sidebar{
    position:fixed;top:0;left:0;bottom:0;
    width:min(320px,86vw);height:100dvh;
    z-index:var(--z-drawer);
    background:var(--bg);
    border-right:1px solid var(--line-strong);
    box-shadow:var(--shadow-panel);
    transform:translateX(-102%);
    transition:transform .34s var(--ease-drawer);
    padding-top:14px;
  }
  body.nav-open .sidebar{transform:none}
  .sidebar-inner{padding:22px 18px 60px 20px}
  .nav-list a{font-size:.92rem;padding-top:8px;padding-bottom:8px}
  .sidebar-label{margin-bottom:10px}

  :root{--pad-x:18px;--pad-top:22px}
  main{padding:var(--pad-top) var(--pad-x) 70px;max-width:none}
  .toc{position:static}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px}
  .footer-legal{grid-column:1 / -1}
}

@media (max-width:720px){
  .app-header{
    height:auto;min-height:60px;
    flex-wrap:wrap;
    padding:10px 14px 12px;
    gap:10px;
  }
  .search{order:5;flex:1 1 100%;max-width:none;margin:2px 0 0}
  .search input{height:38px}
  .theme-btn{margin-left:auto}

  .hero{min-height:430px;border-radius:10px}
  .hero-inner{padding:24px 20px}
  .hero h1{font-size:clamp(1.95rem,8.4vw,2.6rem);max-width:16ch}
  .hero-lede{font-size:.94rem;margin:14px 0 20px}
  .hero-brand{font-size:1.18rem;margin-bottom:14px}
  .hero-facts{font-size:.75rem}
  .btn-primary{padding:12px 18px;font-size:.9rem}

  .section-head{margin-top:40px;padding-top:16px}
  .timeline{padding-left:44px;margin-top:26px}
  .timeline::before{left:15px}
  .step-num{left:-44px;width:32px;height:26px;font-size:.94rem}
  .step-title{font-size:1.05rem}
  .article-row{padding:14px 0}
  .article-row:hover{padding-left:0;background:transparent}
  .article-row h3{font-size:1rem}
  .article-row p{font-size:.84rem}
  .row-arrow{display:none}

  .article-title{font-size:clamp(1.75rem,7.6vw,2.3rem)}
  .article-lede{font-size:1rem}
  .article-body{font-size:1rem;line-height:1.7}
  .article-body h2{font-size:1.34rem}
  .toc{padding:15px 16px;margin:22px 0 26px}
  .toc a{font-size:.87rem}
  .article-foot{margin-top:40px}
  .related a span{font-size:.95rem}

  .footer-grid{grid-template-columns:1fr;gap:22px}
  .footer-bottom{flex-direction:column;gap:6px}
  .vd-cookie-inner{gap:12px}
  .vd-cookie-text{flex:1 1 100%;font-size:.76rem}
  .vd-cookie-actions{width:100%}
  .vd-btn{flex:1 1 0;text-align:center}
}

@media (max-width:420px){
  html{font-size:16.5px}
  .brand-name{font-size:1.02rem}
  .hero{min-height:400px}
  .hero-inner{padding:20px 16px}
  .article-body table{min-width:460px}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  .hero-media img{animation:none}
  .timeline li{opacity:1;transform:none}
  .timeline::before{transform:scaleY(1)}
  .page-enter{animation:none}
}

@media print{
  .app-header,.sidebar,.site-footer,.vd-cookie-bar,.toc,.article-foot,.scrim{display:none !important}
  body{background:#fff;color:#000}
  main{padding:0;max-width:none}
  .article{max-width:none}
  a{color:#000;text-decoration:underline}
}

/* CTA w ciemnym hero: jasny przycisk, bo oksblood na zdjęciu gaśnie */
.hero .btn-primary{background:#f2f4f1;color:#101a1b;border-color:#f2f4f1;box-shadow:0 10px 30px -16px rgba(0,0,0,.8)}
.hero .btn-primary:hover{background:#ffffff;border-color:#ffffff;color:#101a1b}