/* ===== Fonty (lokalnie - RODO) ===== */
@font-face{font-family:'Outfit';font-style:normal;font-weight:400 900;font-display:block;src:url(../fonts/outfit-latin-ext.woff2) format('woff2');unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:'Outfit';font-style:normal;font-weight:400 900;font-display:block;src:url(../fonts/outfit-latin.woff2) format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:'DM Sans';font-style:normal;font-weight:400 700;font-display:block;src:url(../fonts/dm-sans-latin-ext.woff2) format('woff2');unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:'DM Sans';font-style:normal;font-weight:400 700;font-display:block;src:url(../fonts/dm-sans-latin.woff2) format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:'JetBrains Mono';font-style:normal;font-weight:400 600;font-display:block;src:url(../fonts/jetbrains-mono-latin.woff2) format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}

/* ===== Reset & design tokens ===== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --bg:#050810;
  --bg-card:rgba(8,12,22,0.55);
  --text:#e2e8f0;
  --text-dim:#94a3b8;
  --text-muted:#64748b;
  --light:#f1f5f9;
  --accent:#10b981;
  --accent-light:#34d399;
  --accent-bg:rgba(16,185,129,0.08);
  --bg-card-hover:#111827;
  --border:rgba(16,185,129,0.08);
  --border-strong:rgba(16,185,129,0.18);
  --border-hover:rgba(16,185,129,0.22);
  --radius:14px;
  --font-head:'Outfit',system-ui,-apple-system,sans-serif;
  --font-body:'DM Sans',system-ui,-apple-system,sans-serif;
  --font-mono:'JetBrains Mono',ui-monospace,Consolas,monospace;
}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-body);
  background:var(--bg);color:var(--text);
  line-height:1.6;font-size:16px;
  padding:0 0 0;min-height:100vh;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--accent-light);text-decoration:none;transition:color .2s}
a:hover{color:var(--accent);text-decoration:underline}
strong{color:var(--light);font-weight:700}
em{font-style:italic;color:var(--text)}

/* ===== Reading progress (top bar) ===== */
.reading-progress{
  position:fixed;top:0;left:0;height:3px;width:0;
  background:linear-gradient(90deg,var(--accent),var(--accent-light));
  z-index:100;transition:width .12s ease-out;
  box-shadow:0 0 12px rgba(16,185,129,0.5);
}

/* ===== Sticky nav (header) ===== */
.nav{
  position:sticky;top:0;z-index:50;
  background:rgba(5,8,16,0.78);
  backdrop-filter:blur(20px) saturate(1.4);
  -webkit-backdrop-filter:blur(20px) saturate(1.4);
  border-bottom:1px solid var(--border);
}
.nav-inner{max-width:1200px;margin:0 auto;padding:0 24px;display:flex;align-items:center;justify-content:space-between;height:68px;gap:16px}
.brand{display:inline-flex;align-items:center;gap:10px;font-family:var(--font-head);font-weight:800;font-size:1.25rem;color:var(--light);text-decoration:none}
.brand:hover{text-decoration:none;color:var(--light)}
.brand b{color:var(--accent)}
.brand-mark{
  width:34px;height:34px;border-radius:8px;flex-shrink:0;
  background:linear-gradient(135deg,var(--accent),#059669);
  display:grid;place-items:center;color:#03110b;font-weight:900;
  box-shadow:0 0 24px rgba(16,185,129,0.15);
}
.brand-mark svg{width:20px;height:20px}
.nav-links{display:flex;gap:6px;align-items:center}
.nav-links a{
  padding:8px 14px;border-radius:8px;font-size:0.92rem;
  color:var(--text-dim);font-weight:500;transition:all .2s;
  text-decoration:none;
}
.nav-links a:hover{color:var(--light);background:rgba(255,255,255,0.04);text-decoration:none}
.nav-cta{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 20px;border-radius:10px;
  background:var(--accent);color:#03110b !important;
  font-weight:700;font-size:0.92rem;
  box-shadow:0 1px 0 inset rgba(255,255,255,0.2),0 8px 24px -8px rgba(16,185,129,0.35);
  transition:all .2s;text-decoration:none;
  white-space:nowrap;
}
.nav-cta:hover{background:var(--accent-light);transform:translateY(-1px);text-decoration:none;color:#03110b}
.cta-arrow{animation:nudge 1.8s ease-in-out infinite}
.nav-cta:hover .cta-arrow{animation:none;transform:translateX(3px)}
@keyframes nudge{0%,100%{transform:translateX(0)}50%{transform:translateX(5px)}}

/* ===== Language switcher ===== */
.lang-switcher{
  display:flex;align-items:center;gap:3px;
  background:rgba(255,255,255,0.04);
  border:1px solid var(--border);
  border-radius:999px;padding:3px;flex-shrink:0;
}
.lang-btn{
  display:flex;align-items:center;gap:4px;
  background:none;border:none;cursor:pointer;
  padding:4px 9px;border-radius:999px;
  font-family:var(--font-head);font-size:0.72rem;font-weight:700;
  letter-spacing:0.04em;color:var(--text-muted);
  transition:all .2s;line-height:1;
}
.lang-btn .flag{display:inline-flex;align-items:center;line-height:0}
.lang-btn .flag svg{display:block;width:22px;height:auto;border-radius:2px;box-shadow:0 0 0 1px rgba(255,255,255,0.12)}
.lang-btn:hover{color:var(--text);background:rgba(255,255,255,0.07)}
.lang-btn.active{background:rgba(16,185,129,0.15);color:var(--accent-light)}
body.lang-fading{opacity:0.25;transition:opacity .18s ease}
@media(max-width:900px){.lang-switcher{display:none}}
@media(prefers-reduced-motion:reduce){body.lang-fading{opacity:1;transition:none}}

/* ===== Layout containers ===== */
.container{max-width:820px;margin:0 auto;padding:0 24px}
main{padding-bottom:40px}

/* ===== Breadcrumbs ===== */
.breadcrumbs{font-size:0.84rem;color:var(--text-muted);padding-top:26px}
.breadcrumbs ol{list-style:none;display:flex;flex-wrap:wrap;gap:8px;align-items:center;padding:0}
.breadcrumbs li{padding-left:0}
.breadcrumbs li::before{content:none}
.breadcrumbs li:not(:last-child)::after{content:"›";margin-left:8px;color:var(--text-muted);opacity:0.6}
.breadcrumbs a{color:var(--text-dim)}
.breadcrumbs a:hover{color:var(--accent-light);text-decoration:none}
.breadcrumbs li[aria-current="page"]{color:var(--text)}

/* ===== Article hero ===== */
.article-hero{padding:36px 0 0}
.eyebrow{
  font-family:var(--font-mono);font-size:0.74rem;
  color:var(--accent-light);text-transform:uppercase;
  letter-spacing:0.16em;margin-bottom:18px;
}
.article-hero h1{
  font-family:var(--font-head);
  font-size:clamp(1.7rem,2.2vw + 1rem,2.6rem);
  font-weight:800;line-height:1.18;letter-spacing:-0.02em;
  color:var(--light);margin-bottom:26px;
}
.article-meta{
  display:flex;flex-wrap:wrap;gap:22px;
  font-size:0.88rem;color:var(--text-muted);
  padding:16px 0;border-top:1px solid var(--border);border-bottom:1px solid var(--border);
  font-family:var(--font-mono);
}
.article-meta strong{color:var(--text-dim);font-weight:600;margin-right:4px}
.article-meta .link-inline,.link-inline{color:inherit;text-decoration:none;transition:color .2s}
.article-meta .link-inline:hover,.link-inline:hover{color:var(--accent-light);text-decoration:none}

/* ===== Article lead ===== */
.article-lead{
  margin:36px 0 8px;
  font-size:1.08rem;line-height:1.78;
  color:var(--text);
}
.article-lead p{margin-bottom:16px}

/* ===== Ratio legis / Ratio essendi callout ===== */
.ratio-legis{
  background:var(--bg-card);
  border:1px solid var(--border);
  border-left:3px solid var(--accent);
  border-radius:var(--radius);
  padding:24px 28px;
  margin:32px 0 8px;
}
.ratio-legis h2{
  font-family:var(--font-mono);
  font-size:0.78rem;
  color:var(--accent-light);
  text-transform:uppercase;
  letter-spacing:0.18em;
  margin:0 0 14px;
  font-weight:600;
  font-style:italic;
  border:none;
  padding:0;
}
.ratio-legis p{
  font-size:1rem;
  line-height:1.75;
  color:var(--text);
  margin-bottom:0;
}
@media(max-width:620px){.ratio-legis{padding:20px 22px}}

/* ===== Table of contents ===== */
.toc{
  background:var(--bg-card);
  border:1px solid var(--border);
  border-left:3px solid var(--accent);
  border-radius:var(--radius);
  padding:22px 28px;margin:36px 0 48px;
}
.toc h2{
  font-family:var(--font-mono);font-size:0.76rem;
  color:var(--accent-light);text-transform:uppercase;
  letter-spacing:0.14em;margin-bottom:14px;font-weight:600;
  border:none;padding:0;
}
.toc ol{list-style:none;counter-reset:toc;display:grid;gap:8px;padding-left:0}
.toc li{counter-increment:toc;padding-left:32px;position:relative}
.toc li::before{
  content:counter(toc,decimal-leading-zero);
  position:absolute;left:0;top:2px;
  font-family:var(--font-mono);font-size:0.76rem;
  color:var(--accent);font-weight:600;
  background:none;width:auto;height:auto;border-radius:0;
}
.toc a{color:var(--text-dim);font-size:0.95rem;border-bottom:1px solid transparent;padding-bottom:1px;transition:color .15s,border-color .15s}
.toc a:hover{color:var(--accent-light);border-bottom-color:var(--border-strong);text-decoration:none}
.toc a.active{color:var(--accent-light);font-weight:700}
.toc li:has(a.active)::before{color:var(--accent-light)}

/* ===== Article body ===== */
.article section{margin-bottom:48px}
.article h2{
  font-family:var(--font-head);
  font-size:1.55rem;font-weight:800;letter-spacing:-0.015em;
  color:var(--light);margin:56px 0 18px;
  padding-bottom:10px;border-bottom:1px solid var(--border);
  scroll-margin-top:90px;
}
.article h3{
  font-family:var(--font-head);
  font-size:1.2rem;font-weight:700;
  color:var(--text);margin:32px 0 12px;
  scroll-margin-top:90px;
}
.article p{margin-bottom:16px;color:var(--text-dim);line-height:1.75}
.article p strong,.article li strong{color:var(--text)}
.article ul,.article ol{
  margin:14px 0 22px;padding-left:0;list-style:none;
}
.article ul>li,.article ol>li{
  position:relative;padding-left:26px;margin-bottom:10px;
  color:var(--text-dim);line-height:1.72;
}
.article ul>li::before{
  content:"";position:absolute;left:8px;top:14px;
  width:6px;height:6px;border-radius:50%;
  background:var(--accent);
}
.article ol{counter-reset:art-ol}
.article ol>li{counter-increment:art-ol;padding-left:38px}
.article ol>li::before{
  content:counter(art-ol)".";position:absolute;left:0;top:0;
  font-family:var(--font-mono);font-weight:600;
  color:var(--accent-light);font-size:0.92rem;
  width:auto;height:auto;background:none;border-radius:0;
}
.article li ul,.article li ol{margin:8px 0 4px}

/* ===== Inline citation refs ===== */
sup.ref-link{font-size:0.7em;vertical-align:super;line-height:0;margin:0 1px}
sup.ref-link a{
  color:var(--accent-light);font-family:var(--font-mono);
  font-weight:600;padding:0 4px;border-radius:3px;
  background:var(--accent-bg);text-decoration:none;
}
sup.ref-link a:hover{background:rgba(16,185,129,0.18);text-decoration:none;color:var(--accent)}

/* ===== Tooltips (acronyms etc.) ===== */
.tip{position:relative;cursor:help;}
.tip::after{
  content:attr(data-tip);
  position:absolute;bottom:calc(100% + 10px);left:50%;transform:translateX(-50%) scale(0.95);
  background:var(--bg-card-hover);color:var(--text);
  border:1px solid var(--border-hover);border-radius:10px;
  padding:10px 14px;font-size:0.78rem;font-weight:400;font-family:var(--font-body);
  line-height:1.5;width:260px;text-align:left;
  box-shadow:0 12px 32px rgba(0,0,0,0.4);
  opacity:0;pointer-events:none;
  transition:opacity .2s,transform .2s;z-index:10;
}
.tip:hover::after,.tip:focus-visible::after{opacity:1;transform:translateX(-50%) scale(1)}
.tip-right::after{left:0;transform:translateX(0) scale(0.95)}
.tip-right:hover::after,.tip-right:focus-visible::after{transform:translateX(0) scale(1)}
@media(max-width:620px){
  .tip::after{width:min(260px,calc(100vw - 32px));}
}

/* ===== Checklist section ===== */
.checklist{
  background:var(--bg-card);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:32px 32px 28px;margin:48px 0;
}
.checklist h2{
  font-family:var(--font-head);font-size:1.4rem;
  color:var(--light);border:none;padding:0;margin:0 0 12px;
}
.checklist .intro{color:var(--text-dim);font-size:0.94rem;margin-bottom:22px}

/* ===== FAQ ===== */
.faq h2{
  font-family:var(--font-head);font-size:1.55rem;color:var(--light);
  border-bottom:1px solid var(--border);padding-bottom:10px;margin:56px 0 22px;
}
.faq dl{display:grid;gap:0}
.faq dt{
  font-family:var(--font-head);font-weight:700;
  color:var(--light);font-size:1.04rem;line-height:1.45;
  padding:20px 0 8px;margin-top:14px;
  border-top:1px solid var(--border);
}
.faq dt:first-of-type{border-top:none;margin-top:0;padding-top:8px}
.faq dd{margin-left:0;color:var(--text-dim);padding-bottom:8px;line-height:1.75}
.faq dd p{margin-bottom:12px;line-height:1.75}

/* ===== CTA block ===== */
.cta-block{
  background:linear-gradient(135deg,rgba(16,185,129,0.09),rgba(8,12,22,0.4));
  border:1px solid var(--border-strong);
  border-radius:var(--radius);
  padding:36px 32px;margin:56px 0;text-align:center;
}
.cta-block h2{
  font-family:var(--font-head);font-size:1.5rem;color:var(--light);
  border:none;padding:0;margin:0 0 10px;
}
.cta-block p{color:var(--text-dim);margin-bottom:22px;font-size:0.98rem}
.cta-buttons{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:13px 22px;border-radius:10px;
  font-family:var(--font-head);font-weight:700;font-size:0.95rem;
  text-decoration:none;transition:all .2s;
}
.btn-primary{
  background:var(--accent);color:#03110b;
  box-shadow:0 8px 24px -8px rgba(16,185,129,0.45);
}
.btn-primary:hover{background:var(--accent-light);transform:translateY(-1px);text-decoration:none;color:#03110b}
.btn-secondary{
  background:transparent;color:var(--text);
  border:1px solid var(--border-strong);
}
.btn-secondary:hover{border-color:var(--accent);color:var(--accent-light);text-decoration:none}

/* ===== Cross-links ===== */
.cross-links{
  margin:56px 0 24px;padding:32px 0;
  border-top:1px solid var(--border);border-bottom:1px solid var(--border);
}
.cross-links h2{
  font-family:var(--font-head);font-size:1.4rem;color:var(--light);
  border:none;padding:0;margin:0 0 8px;
}
.cross-links h3{
  font-family:var(--font-mono);font-size:0.76rem;text-transform:uppercase;
  letter-spacing:0.14em;color:var(--accent-light);font-weight:600;
  margin:22px 0 12px;
}
.cross-links ul{
  list-style:none;display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));
  gap:8px;padding:0;margin:0 0 8px;
}
.cross-links li{padding-left:0;margin:0}
.cross-links li::before{content:none}
.cross-links a{
  display:block;padding:10px 14px;border-radius:8px;
  color:var(--text-dim);font-size:0.92rem;
  background:var(--bg-card);border:1px solid var(--border);
  transition:all .15s;
}
.cross-links a:hover{
  color:var(--accent-light);border-color:var(--border-strong);
  background:rgba(16,185,129,0.05);text-decoration:none;
}

/* ===== References / bibliografia ===== */
.references{margin-top:64px;padding-top:32px;border-top:1px solid var(--border)}
.references h2{
  font-family:var(--font-head);font-size:1.4rem;color:var(--light);
  border:none;padding:0;margin-bottom:10px;
}
.references .muted{color:var(--text-muted);font-size:0.88rem;margin-bottom:22px}
.references ol{list-style:none;counter-reset:none;padding-left:0;margin:0}
.references li{
  padding:14px 0;border-top:1px solid var(--border);
  font-size:0.88rem;color:var(--text-dim);line-height:1.65;
  position:relative;
}
.references ol>li::before{content:none}
.references ol>li{padding-left:0;scroll-margin-top:90px}
.references li:first-child{border-top:none}
.references .ref-id{
  display:inline-block;font-family:var(--font-mono);
  color:var(--accent-light);font-weight:600;font-size:0.84rem;
  margin-right:10px;min-width:32px;
}
.references .ref-type{
  display:inline-block;font-family:var(--font-mono);font-size:0.66rem;
  text-transform:uppercase;letter-spacing:0.1em;
  padding:2px 8px;border-radius:999px;
  background:var(--accent-bg);color:var(--accent-light);
  border:1px solid var(--border-strong);
  margin-right:10px;vertical-align:1px;
}
.references .ref-type.regulation{background:rgba(245,158,11,0.08);border-color:rgba(245,158,11,0.22);color:#fbbf24}
.references .ref-type.peer-reviewed{background:rgba(99,102,241,0.08);border-color:rgba(99,102,241,0.22);color:#a5b4fc}
.references .ref-type.report{background:rgba(56,189,248,0.08);border-color:rgba(56,189,248,0.22);color:#7dd3fc}
.references .ref-type.standard{background:rgba(16,185,129,0.08);border-color:rgba(16,185,129,0.22);color:var(--accent-light)}
.references em{color:var(--text)}
.references a{color:var(--accent-light);word-break:break-word}

/* ===== Footer ===== */
footer{
  margin-top:80px;border-top:1px solid var(--border);
  padding:60px 0 30px;background:rgba(5,8,16,0.6);
}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;
  margin-bottom:50px;max-width:1200px;
  margin-left:auto;margin-right:auto;padding:0 24px;
}
.footer-brand p{color:var(--text-muted);font-size:0.9rem;margin-top:14px;line-height:1.7}
.footer-col h4{
  font-size:0.82rem;text-transform:uppercase;letter-spacing:0.1em;
  color:var(--light);margin-bottom:18px;font-weight:700;font-family:var(--font-head);
}
.footer-col ul{list-style:none;display:grid;gap:10px;padding:0}
.footer-col li{padding-left:0;margin:0}
.footer-col li::before{content:none}
.footer-col a{color:var(--text-dim);font-size:0.92rem;transition:color .2s;text-decoration:none}
.footer-col a:hover{color:var(--accent-light);text-decoration:none}
.footer-col .ic{display:inline-flex;align-items:center;gap:8px}
.footer-col svg{width:14px;height:14px;color:var(--accent);flex-shrink:0}
.footer-bottom{
  padding-top:30px;border-top:1px solid var(--border);
  display:flex;justify-content:space-between;align-items:center;
  flex-wrap:wrap;gap:14px;font-size:0.84rem;color:var(--text-muted);
  max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px;
}
.footer-bottom .legal{display:flex;gap:18px}
.footer-bottom .legal a{
  display:inline-flex;align-items:center;justify-content:center;
  width:36px;height:36px;border-radius:10px;
  border:1px solid var(--border-strong);
  background:rgba(16,185,129,0.06);color:var(--accent);
  transition:all .2s;
}
.footer-bottom .legal a:hover{
  background:rgba(16,185,129,0.14);
  border-color:var(--border-strong);
  transform:translateY(-2px);
  text-decoration:none;
}
.footer-bottom .legal a svg{width:16px;height:16px}

/* ===== Responsive ===== */
@media(max-width:980px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .nav-inner{height:60px}
  .nav-links,.nav-cta{display:none}
}
@media(max-width:620px){
  .footer-grid{grid-template-columns:1fr}
  .article-hero h1{font-size:1.6rem}
  .article-meta{gap:14px;font-size:0.8rem}
  .checklist,.cta-block{padding:24px 20px}
  .toc{padding:20px 22px}
}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01s!important;transition-duration:.01s!important}
  .reading-progress{transition:none}
  html{scroll-behavior:auto}
}

/* ===== Two-column article layout with sticky right-side TOC ===== */
.container.article-layout{
  max-width:1180px;
  display:grid;
  grid-template-columns:minmax(0,1fr) 280px;
  gap:56px;
  align-items:start;
}
.article-main{min-width:0}
.article-aside{
  min-width:0;
  position:sticky;
  top:92px;
  align-self:start;
  max-height:calc(100vh - 112px);
  overflow-y:auto;
}
.article-aside .toc{
  margin:0;
  padding:20px 22px;
}
.article-aside .toc h2{margin-bottom:12px}
.article-aside .toc ol{gap:6px}
.article-aside .toc a{font-size:0.88rem;line-height:1.45;display:inline-block}
.article-aside::-webkit-scrollbar{width:6px}
.article-aside::-webkit-scrollbar-thumb{background:var(--border-strong);border-radius:3px}
.article-aside::-webkit-scrollbar-track{background:transparent}

@media(max-width:1024px){
  .container.article-layout{
    grid-template-columns:1fr;
    max-width:820px;
    gap:0;
  }
  .article-aside{
    position:static;
    max-height:none;
    overflow:visible;
    order:-1;
  }
  .article-main{order:0}
  .article-aside .toc{
    margin:24px 0 32px;
    padding:22px 28px;
  }
}