/* ============================================================
   Franczyza - kompendium
   Design system: deep ink navy, burgundy, muted gold.
   Type: Spectral (display) + Figtree (body).
   ============================================================ */

:root{
  --bg:#f1f3f1;
  --surface:#fbfbf9;
  --surface-2:#e9ece8;
  --ink:#17212b;
  --ink-2:#33414d;
  --muted:#5d6a75;
  --line:#d5dbd6;
  --line-2:#e3e7e3;
  --accent:#7c2230;
  --accent-hover:#601a25;
  --accent-soft:#f2e2e3;
  --gold:#a97f3f;
  --gold-hover:#bd9350;
  --gold-soft:#f1e7d3;
  --ink-panel:#17212b;
  --cream:#f3efe6;
  --solid-bg:#17212b;
  --solid-fg:#f3efe6;
  --table-head:#17212b;
  --table-head-text:#f3efe6;
  --ok-soft:#e2efe7;
  --warn:#8a3a1f;
  --warn-soft:#f7e6df;
  --radius:4px;
  --sidebar:312px;
  --header:70px;
  --maxw:1120px;
  --font-display:'Spectral',Georgia,'Times New Roman',serif;
  --font-body:'Figtree',system-ui,-apple-system,'Segoe UI',sans-serif;
  --mono:ui-monospace,'SF Mono',Menlo,Consolas,monospace;
  --ease:cubic-bezier(.23,1,.32,1);
  --ease-drawer:cubic-bezier(.32,.72,0,1);
}

@media (prefers-color-scheme: dark){
  :root{
    --bg:#0d1319;
    --surface:#121a21;
    --surface-2:#1a242c;
    --ink:#eceae3;
    --ink-2:#c9cfd4;
    --muted:#b3bec6;
    --line:#26323b;
    --line-2:#1e2932;
    --accent:#e09aa3;
    --accent-hover:#f0b3ba;
    --accent-soft:#2b171b;
    --gold:#d3ac6b;
    --gold-hover:#e5c184;
    --gold-soft:#2a2216;
    --ink-panel:#0a0f14;
    --cream:#f3efe6;
    --ok-soft:#14261d;
    --warn:#e8a184;
    --warn-soft:#2a1713;
    --solid-bg:#22303c;
    --solid-fg:#f2efe7;
    --table-head:#1c2731;
    --table-head-text:#eceae3;
  }
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--font-body);
  font-size:17px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
::selection{background:var(--gold-soft);color:var(--ink)}
img{max-width:100%}
a{color:var(--accent);text-underline-offset:3px}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.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}
.skip-link{position:absolute;left:16px;top:-60px;z-index:1000;background:var(--solid-bg);color:var(--solid-fg);padding:10px 16px;text-decoration:none;border-radius:3px;font-size:14px;transition:top .15s}
.skip-link:focus{top:12px}

/* ---------- header ---------- */
.topbar{
  position:fixed;inset:0 0 auto 0;height:var(--header);z-index:100;
  display:flex;align-items:center;gap:28px;
  padding:0 28px;
  background:var(--surface);
  border-bottom:1px solid var(--line);
}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);flex:none}
.brand-mark{
  width:30px;height:30px;display:grid;place-items:center;
  background:var(--solid-bg);color:var(--solid-fg);
  font-family:var(--font-display);font-size:19px;line-height:1;padding-bottom:2px;
  border-radius:2px;
}
.brand-name{font-family:var(--font-display);font-size:23px;font-weight:500;letter-spacing:-.015em}
.brand-desc{font-size:10.5px;letter-spacing:.18em;text-transform:uppercase;color:var(--muted);padding-top:4px}
.search{position:relative;margin-left:auto;width:min(430px,38vw);flex:none}
.search-icon{position:absolute;left:13px;top:13px;color:var(--muted);pointer-events:none}
.search input{
  width:100%;height:42px;padding:0 36px 0 38px;
  background:var(--surface-2);border:1px solid var(--line);border-radius:3px;
  color:var(--ink);font:400 14.5px/1 var(--font-body);
  transition:border-color .16s,background .16s;
  -webkit-appearance:none;
}
.search input::placeholder{color:var(--muted)}
.search input:focus{outline:none;border-color:var(--accent);background:var(--surface)}
.search-clear{position:absolute;right:6px;top:6px;width:30px;height:30px;border:0;background:transparent;color:var(--muted);font-size:20px;line-height:1;cursor:pointer;border-radius:2px}
.search-clear:hover{color:var(--ink)}
.search-results{
  position:absolute;top:calc(100% + 8px);left:0;right:0;z-index:140;
  background:var(--surface);border:1px solid var(--line);
  box-shadow:0 16px 40px rgba(10,18,26,.16);
  max-height:64vh;overflow:auto;border-radius:3px;
}
.sr-item{display:block;padding:12px 15px;text-decoration:none;color:var(--ink);border-bottom:1px solid var(--line-2)}
.sr-item:last-child{border-bottom:0}
.sr-item:hover,.sr-item:focus{background:var(--surface-2)}
.sr-item.is-active{background:var(--accent-soft)}
.sr-item .sr-t{display:block;font-size:15px;font-weight:600;line-height:1.35}
.sr-item .sr-s{display:block;font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin-top:3px}
.sr-empty{padding:16px;font-size:14px;color:var(--muted)}
.menu-btn{
  display:none;align-items:center;gap:8px;
  border:1px solid var(--line);background:transparent;color:var(--ink);
  height:40px;padding:0 13px;border-radius:3px;cursor:pointer;
  font:600 13.5px/1 var(--font-body);
}
.menu-btn:hover{border-color:var(--accent);color:var(--accent)}
.menu-lines{display:flex;flex-direction:column;gap:4px}
.menu-lines i{display:block;width:15px;height:1.5px;background:currentColor;transition:transform .2s}
body.menu-open .menu-lines i:first-child{transform:translateY(2.75px) rotate(45deg)}
body.menu-open .menu-lines i:last-child{transform:translateY(-2.75px) rotate(-45deg)}

/* ---------- sidebar ---------- */
.sidebar{
  position:fixed;top:var(--header);left:0;bottom:0;width:var(--sidebar);z-index:90;
  overflow-y:auto;overscroll-behavior:contain;
  padding:26px 20px 36px 26px;
  background:var(--surface);
  border-right:1px solid var(--line);
  scrollbar-width:thin;
}
.side-home{display:flex;align-items:center;gap:9px;margin:0 0 18px;padding:8px 6px 12px;font-size:15px;font-weight:600;color:var(--ink);text-decoration:none;border-bottom:1px solid var(--line)}
.side-home::before{content:'';width:5px;height:5px;border-radius:50%;background:var(--gold);flex:none}
.side-home:hover,.side-home.active{color:var(--accent)}
.side-home.active::before{box-shadow:0 0 0 3px var(--accent-soft)}
.side-group{margin-bottom:24px}
.side-h{
  margin:0 0 7px;padding:0 0 7px;
  font-size:11px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;
  color:var(--ink-2);border-bottom:1px solid var(--line-2);
}
.side-link{
  position:relative;display:block;
  padding:7px 6px 7px 20px;
  font-size:15px;line-height:1.38;text-wrap:pretty;
  color:var(--ink-2);text-decoration:none;border-radius:2px;
  transition:color .15s,background .15s;
}
.side-link::before{
  content:'';position:absolute;left:7px;top:14px;
  width:5px;height:5px;border-radius:50%;background:var(--gold);
  opacity:0;transition:opacity .15s;
}
.side-link:hover{color:var(--accent);background:var(--surface-2)}
.side-link:hover::before{opacity:.45}
.side-link.active{color:var(--accent);font-weight:600;background:var(--accent-soft)}
.side-link.active::before{opacity:1}
.side-group:has(.side-link.active) .side-h{color:var(--accent)}
.side-foot{margin-top:30px;padding-top:16px;border-top:1px solid var(--line-2)}
.side-note{font-size:12.5px;line-height:1.5;color:var(--muted);margin:0 0 12px}
.side-links{display:flex;flex-wrap:wrap;gap:6px 14px;margin:0}
.side-links a{font-size:13px;color:var(--ink-2);text-decoration:none}
.side-links a:hover{color:var(--accent);text-decoration:underline}
.scrim{position:fixed;inset:var(--header) 0 0 0;background:rgba(9,14,19,.45);z-index:85;border:0;padding:0}

/* ---------- shell ---------- */
.main{margin-left:var(--sidebar);padding-top:var(--header);min-height:100vh;display:flex;flex-direction:column}
.app{flex:1;width:100%;max-width:var(--maxw);margin:0 auto;padding:52px 52px 84px}
.view{animation:fadeUp .26s var(--ease) both}
@keyframes fadeUp{from{opacity:0;transform:translateY(7px)}to{opacity:1;transform:none}}

.foot{
  max-width:var(--maxw);width:100%;margin:0 auto;
  padding:30px 48px 44px;
  display:grid;grid-template-columns:1.7fr 1fr 1fr;gap:28px 40px;
  border-top:1px solid var(--line);
  font-size:14px;color:var(--muted);
}
.foot-brand{display:flex;gap:12px;align-items:flex-start}
.foot-mark{width:26px;height:26px;flex:none;display:grid;place-items:center;background:var(--solid-bg);color:var(--solid-fg);font-family:var(--font-display);font-size:16px;border-radius:2px;padding-bottom:1px}
.foot-brand p{margin:0;line-height:1.55;max-width:40ch}
.foot-brand strong{color:var(--ink);font-family:var(--font-display);font-size:16px;font-weight:500}
.foot-h{margin:0 0 10px;font-size:11px;letter-spacing:.13em;text-transform:uppercase;color:var(--ink)}
.foot-col a{display:block;color:var(--muted);text-decoration:none;font-size:14px;padding:3px 0}
.foot-col a:hover{color:var(--accent)}
.foot-credit{grid-column:1/-1;margin:6px 0 0;padding-top:16px;border-top:1px solid var(--line-2);font-size:12px;line-height:1.55;color:var(--muted)}

/* ---------- home hero ---------- */
.hero{
  display:grid;grid-template-columns:1.04fr .96fr;
  background:var(--ink-panel);color:var(--cream);
  border-radius:var(--radius);overflow:hidden;
  min-height:410px;
}
.hero-text{display:flex;flex-direction:column;justify-content:center;padding:clamp(30px,4vw,52px)}
.hero h1{
  margin:0 0 16px;
  font-family:var(--font-display);font-weight:500;
  font-size:clamp(3rem,6vw,5rem);line-height:.94;letter-spacing:-.025em;
  color:var(--cream);text-wrap:balance;
}
.hero-head{
  margin:0 0 10px;font-family:var(--font-display);font-style:italic;font-weight:400;
  font-size:clamp(1.3rem,2.1vw,1.62rem);line-height:1.28;color:#e9dfcd;
}
.hero-sub{margin:0 0 26px;font-size:16px;line-height:1.62;color:#c7cfd2;max-width:43ch}
.hero-cta{
  align-self:flex-start;display:inline-flex;align-items:center;gap:10px;
  background:var(--gold);color:#101820;text-decoration:none;
  padding:13px 21px;border-radius:3px;
  font-size:14.5px;font-weight:600;
  transition:transform .18s var(--ease),background .18s;
}
.hero-cta:hover{background:var(--gold-hover);transform:translateY(-1px)}
.hero-cta:active{transform:scale(.985)}
.hero-cta svg{transition:transform .2s var(--ease)}
.hero-cta:hover svg{transform:translateX(3px)}
.hero-media{position:relative;min-height:100%;background:#0c1218}
.hero-media img{
  display:block;width:100%;height:100%;object-fit:cover;
  filter:saturate(.9) contrast(1.02);
  animation:heroReveal .9s var(--ease) both;
}
.hero-media::after{content:'';position:absolute;inset:0;pointer-events:none;background:linear-gradient(90deg,rgba(23,33,43,.5) 0%,rgba(23,33,43,0) 16%)}
@keyframes heroReveal{from{clip-path:inset(0 0 100% 0);transform:scale(1.025)}to{clip-path:inset(0 0 0 0);transform:none}}
.hero-credit{margin:8px 0 0;font-size:11.5px;color:var(--muted);text-align:right}
.hero-credit a{color:var(--muted)}

/* ---------- home sections ---------- */
.section{margin-top:62px}
.section-head{display:flex;align-items:baseline;justify-content:space-between;gap:20px;margin-bottom:4px}
.section-head h2{margin:0;font-family:var(--font-display);font-weight:500;font-size:clamp(1.55rem,2.4vw,1.95rem);letter-spacing:-.015em;text-wrap:balance}
.section-note{margin:0;font-size:14px;color:var(--muted)}

.feat-list{margin-top:16px;border-top:1px solid var(--line)}
.feat{display:grid;grid-template-columns:1fr 26px;gap:16px;align-items:center;padding:20px 0;border-bottom:1px solid var(--line);text-decoration:none;color:inherit}
.feat-num{font-family:var(--mono);font-size:11.5px;color:var(--gold);padding-top:5px;letter-spacing:.04em}
.feat h3{margin:0 0 5px;font-family:var(--font-display);font-weight:500;font-size:21px;line-height:1.26;transition:color .16s}
.feat p{margin:0;font-size:14.5px;line-height:1.55;color:var(--muted);max-width:64ch}
.feat-arrow{align-self:center;color:var(--muted);transition:transform .2s var(--ease),color .16s}
.feat:hover h3{color:var(--accent)}
.feat:hover .feat-arrow{transform:translateX(4px);color:var(--accent)}

.toc-index{display:grid;grid-template-columns:1fr 1fr;gap:0 56px;margin-top:22px}
.toc-group{margin-bottom:30px;break-inside:avoid}
.toc-group h3{
  margin:0 0 8px;padding-bottom:8px;border-bottom:1px solid var(--line);
  font-size:11px;font-weight:700;letter-spacing:.13em;text-transform:uppercase;color:var(--accent);
}
.toc-link{display:flex;align-items:baseline;gap:8px;padding:6px 0;text-decoration:none;color:var(--ink-2);font-size:15px;line-height:1.4}
.toc-link .t{transition:color .14s}
.toc-link .dots{flex:1;min-width:14px;border-bottom:1px dotted var(--line);transform:translateY(-4px)}
.toc-link .n{font-family:var(--mono);font-size:10.5px;color:var(--muted);transition:color .14s}
.toc-link:hover .t,.toc-link:hover .n{color:var(--accent)}
.toc-link:hover .dots{border-bottom-color:var(--gold)}

/* ---------- article ---------- */
.article-wrap{max-width:800px}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:7px;margin-bottom:20px;font-size:12.5px;color:var(--ink-2)}
.crumbs a{color:var(--ink-2);text-decoration:none}
.crumbs a:hover{color:var(--accent);text-decoration:underline}
.crumbs span{color:var(--line)}
.article h1{
  margin:0 0 16px;font-family:var(--font-display);font-weight:500;
  font-size:clamp(2.05rem,3.6vw,2.75rem);line-height:1.1;letter-spacing:-.02em;
  text-wrap:balance;
}
.article .lead{margin:0 0 22px;font-size:19px;line-height:1.6;color:var(--ink-2);max-width:62ch}
.art-meta{display:flex;flex-wrap:wrap;align-items:center;gap:8px 18px;margin:0 0 28px;padding-bottom:20px;border-bottom:1px solid var(--line);font-size:13px;color:var(--ink-2)}
.art-meta a{color:var(--accent);text-decoration:none}
.art-meta a:hover{text-decoration:underline}
.art-meta .dot{width:3px;height:3px;border-radius:50%;background:var(--line);display:inline-block}

.toc-box{background:var(--surface);border:1px solid var(--line);border-radius:3px;padding:13px 18px 10px;margin:0 0 32px}
.toc-box h2{margin:0 0 5px;font-family:var(--font-body);font-size:10.5px;font-weight:700;letter-spacing:.13em;text-transform:uppercase;color:var(--muted)}
.toc-box ol{margin:0;padding-left:17px;columns:2;column-gap:26px;font-size:13.5px;line-height:1.4}
.toc-box li{margin:3px 0;break-inside:avoid}
.toc-box a{color:var(--ink-2);text-decoration:none}
.toc-box a:hover{color:var(--accent);text-decoration:underline}

.article h2{margin:44px 0 13px;padding-top:20px;border-top:1px solid var(--line-2);font-family:var(--font-display);font-weight:500;font-size:27px;line-height:1.2;letter-spacing:-.01em;scroll-margin-top:92px;text-wrap:balance}
.article h3{margin:26px 0 9px;font-size:18px;font-weight:700;line-height:1.35;scroll-margin-top:92px}
.article p{margin:0 0 18px;font-size:17.5px;line-height:1.72;max-width:68ch}
.article ul,.article ol{margin:0 0 20px;padding-left:22px;font-size:17.5px;line-height:1.7;max-width:68ch}
.article li{margin:6px 0}
.article li::marker{color:var(--gold)}
.article strong{font-weight:600;color:var(--ink)}
.article a{text-decoration-thickness:1px}
.article blockquote{margin:24px 0;padding:2px 0 2px 20px;border-left:2px solid var(--gold);font-family:var(--font-display);font-style:italic;font-size:20px;line-height:1.5;color:var(--ink-2)}

.table-responsive{overflow-x:auto;margin:24px 0;border:1px solid var(--line);border-radius:3px;background:var(--surface)}
table,.error-table{width:100%;border-collapse:collapse;font-size:15px;line-height:1.5;min-width:520px}
th{background:var(--table-head);color:var(--table-head-text);text-align:left;padding:11px 14px;font-size:12.5px;font-weight:600;letter-spacing:.03em;vertical-align:bottom}
td{padding:11px 14px;border-top:1px solid var(--line);vertical-align:top;color:var(--ink-2)}
tbody tr:nth-child(even){background:var(--surface-2)}
tbody tr:hover{background:var(--accent-soft)}

.info-box,.warning-box,.key-takeaways{margin:24px 0;padding:16px 18px;border-radius:3px;font-size:16px;line-height:1.65;color:var(--ink)}
.info-box{background:var(--gold-soft);border:1px solid rgba(169,127,63,.4)}
.warning-box{background:var(--warn-soft);border:1px solid rgba(138,58,31,.35)}
.key-takeaways{background:var(--surface);border:1px solid var(--line)}
.info-box p:last-child,.warning-box p:last-child,.key-takeaways p:last-child{margin-bottom:0}
.info-box strong,.warning-box strong{font-weight:700}
.info-box ul,.warning-box ul{margin:8px 0 0;font-size:15.5px}

.faq-item{border-top:1px solid var(--line);padding:17px 0}
.faq-item:last-of-type{border-bottom:1px solid var(--line)}
.faq-q{margin:0 0 7px;font-family:var(--font-display);font-weight:500;font-size:19px;line-height:1.35;color:var(--ink)}
.faq-a p{margin:0;font-size:16.5px;line-height:1.65;color:var(--ink-2)}

.glossary{margin:22px 0}
.glossary dt{margin-top:18px;font-weight:700;font-size:17px;color:var(--ink)}
.glossary dt:first-child{margin-top:0}
.glossary dd{margin:4px 0 0;padding:0;font-size:16.5px;line-height:1.65;color:var(--ink-2)}

.pager{display:grid;grid-template-columns:1fr 1fr;gap:18px 26px;margin-top:46px;padding-top:22px;border-top:1px solid var(--line)}
.pager a{display:block;text-decoration:none;color:inherit;padding:6px 0}
.pager span{display:block;font-size:10.5px;letter-spacing:.13em;text-transform:uppercase;color:var(--muted);margin-bottom:5px}
.pager strong{font-family:var(--font-display);font-weight:500;font-size:18px;line-height:1.3;transition:color .15s}
.pager a:hover strong{color:var(--accent)}
.pager .next{text-align:right}
.pager .next:only-child{grid-column:2}

/* ---------- search + misc states ---------- */
.empty{padding:40px 0;max-width:60ch}
.empty h2{font-family:var(--font-display);font-weight:500;font-size:26px;margin:0 0 10px}
.empty p{color:var(--muted);margin:0 0 18px}
.btn{display:inline-block;background:var(--solid-bg);color:var(--solid-fg);text-decoration:none;padding:11px 18px;border-radius:3px;font-size:14px;font-weight:600}
.btn:hover{background:var(--accent)}

/* ---------- responsive ---------- */
@media (max-width:1100px){
  .app{padding:34px 32px 56px}
  .foot{padding:28px 32px 40px}
  .toc-index{gap:0 36px}
  .search{width:min(360px,34vw)}
}

@media (max-width:900px){
  .topbar{padding:0 16px;gap:12px}
  .brand-desc{display:none}
  .menu-btn{display:inline-flex;order:3}
  .search{flex:1;width:auto;margin-left:4px;order:2}
  .sidebar{transform:translateX(-100%);transition:transform .3s var(--ease-drawer);width:310px;box-shadow:24px 0 48px rgba(8,13,18,.16);z-index:95}
  .sidebar.open{transform:none}
  .main{margin-left:0}
  .app{padding:26px 20px 52px}
  .foot{grid-template-columns:1fr 1fr;padding:26px 20px 40px}
  .foot-brand{grid-column:1/-1}
  .hero{grid-template-columns:1fr;min-height:0}
  .hero-text{padding:32px 26px 30px}
  .hero-media{order:2;min-height:230px;max-height:300px}
  .hero h1{font-size:clamp(2.8rem,12vw,4.2rem)}
  .toc-box ol{columns:1}
  .hero-credit{text-align:left}
}

@media (max-width:600px){
  body{font-size:17px}
  .topbar{height:112px;flex-wrap:wrap;align-content:center;padding:0 14px;gap:0 10px}
  .brand{height:48px;order:1}
  .brand-name{font-size:20px}
  .brand-mark{width:28px;height:28px;font-size:17px}
  .menu-btn{height:48px;border:0;order:2;margin-left:auto;padding:0 8px}
  .menu-btn span:last-child{display:none}
  .search{order:3;flex:0 0 100%;width:100%;margin:0 0 9px}
  .search input{height:38px;font-size:14px;padding-left:34px}
  .search-icon{top:11px;left:11px}
  .main{padding-top:112px}
  .sidebar{top:112px}
  .scrim{top:112px}
  .hero-text{padding:26px 20px 26px}
  .hero h1{font-size:clamp(2.5rem,15vw,3.4rem)}
  .hero-head{font-size:1.28rem}
  .hero-sub{font-size:15.5px}
  .hero-media{order:2;min-height:185px;max-height:200px}
  .section{margin-top:42px}
  .feat{grid-template-columns:1fr 18px;gap:10px;padding:17px 0}
  .feat h3{font-size:18.5px}
  .feat-num{font-size:10.5px;padding-top:4px}
  .toc-index{grid-template-columns:1fr;gap:0}
  .toc-group{margin-bottom:26px}
  .article h1{font-size:1.95rem}
  .article .lead{font-size:17.5px}
  .article p,.article ul,.article ol{font-size:17px}
  .article h2{font-size:23px;margin-top:34px}
  .article h3{font-size:17px}
  .toc-box{padding:14px 16px}
  .pager{grid-template-columns:1fr}
  .pager .next{text-align:left}
  .pager .next:only-child{grid-column:1}
  table,.error-table{font-size:14px}
  th,td{padding:9px 10px}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
  .hero-media img{animation:none;clip-path:none}
}