/* =========================================================
   SACHYSTETI.CZ 2.0 — DESIGN SYSTEM
   Klub šachistů Štětí
   Tokens → Base → Layout → Components → Sections → Responsive
   ========================================================= */

/* ---------- 1. TOKENS ---------- */
:root{
  /* Barvy */
  --ink-900:#0B0D10;
  --ink-800:#11151A;
  --ink-700:#1A1F26;
  --ink-600:#262C35;
  --ivory:#F4F0E6;
  --ivory-2:#EAE4D5;
  --ivory-dim:#D6CFBC;
  --gold:#C8A45D;
  --gold-soft:#E0C287;
  --gold-deep:#9C7C3C;
  --burgundy:#7A2434;
  --muted:#8B8F93;
  --muted-dark:#6E7378;

  /* Typografie */
  --font-display:"Archivo","Helvetica Neue",Arial,sans-serif;
  --font-sans:"Archivo","Helvetica Neue",Arial,sans-serif;

  --fs-display:clamp(3rem,9vw,7.5rem);
  --fs-h1:clamp(2.4rem,6vw,4.6rem);
  --fs-h2:clamp(1.9rem,4vw,3.2rem);
  --fs-h3:clamp(1.3rem,2.4vw,1.9rem);
  --fs-h4:1.15rem;
  --fs-lead:clamp(1.05rem,1.6vw,1.3rem);
  --fs-body:1rem;
  --fs-small:.875rem;
  --fs-micro:.75rem;

  /* Spacing */
  --s-1:4px;  --s-2:8px;  --s-3:12px; --s-4:16px;
  --s-5:24px; --s-6:32px; --s-7:48px; --s-8:64px;
  --s-9:96px; --s-10:128px;

  /* Ostatní */
  --radius:2px;
  --radius-lg:4px;
  --border-hair:1px solid rgba(200,164,93,.28);
  --border-dark:1px solid rgba(11,13,16,.14);
  --shadow-soft:0 18px 50px -30px rgba(11,13,16,.55);
  --container:1240px;
  --container-narrow:820px;
  --ease:cubic-bezier(.22,.61,.36,1);
}

/* ---------- 2. BASE ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

body{
  margin:0;
  background:var(--ivory);
  color:var(--ink-900);
  font-family:var(--font-sans);
  font-size:var(--fs-body);
  line-height:1.65;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}

h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.08;letter-spacing:-.025em;font-stretch:115%}
h1,h2{font-family:var(--font-display)}
h3{font-family:var(--font-display);line-height:1.2}
h4{font-family:var(--font-sans);font-weight:600;line-height:1.35;letter-spacing:0}
p{margin:0 0 var(--s-4)}
p:last-child{margin-bottom:0}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
ul,ol{margin:0;padding:0;list-style:none}
strong{font-weight:600}

:focus-visible{outline:2px solid var(--gold);outline-offset:3px}

.skip{
  position:absolute;left:-9999px;top:0;z-index:200;
  background:var(--ink-900);color:var(--ivory);padding:var(--s-3) var(--s-5);
}
.skip:focus{left:var(--s-4);top:var(--s-4)}

/* ---------- 3. LAYOUT ---------- */
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 clamp(24px,4.5vw,72px)}
.container--narrow{max-width:var(--container-narrow)}

.section{padding:var(--s-9) 0}
.section--tight{padding:var(--s-8) 0}
.section--dark{background:var(--ink-900);color:var(--ivory)}
.section--ink{background:var(--ink-800);color:var(--ivory)}
.section--ivory2{background:var(--ivory-2)}

/* Hlavička sekce */
.sec-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:var(--s-5);margin-bottom:var(--s-7);
  border-bottom:var(--border-dark);padding-bottom:var(--s-4);
}
.section--dark .sec-head,.section--ink .sec-head{border-bottom-color:rgba(244,240,230,.16)}
.sec-head h2{font-size:var(--fs-h2)}
.sec-head p{max-width:46ch;color:var(--muted-dark);margin:var(--s-2) 0 0;font-size:var(--fs-small)}
.section--dark .sec-head p,.section--ink .sec-head p{color:var(--ivory-dim)}

/* Šachová souřadnice jako drobný strukturní prvek */
.coord{
  font-family:var(--font-sans);font-size:var(--fs-micro);font-weight:600;
  letter-spacing:.18em;color:var(--gold-deep);
  font-variant-numeric:tabular-nums;
}
.section--dark .coord,.section--ink .coord{color:var(--gold)}

.lead{font-size:var(--fs-lead);line-height:1.55;max-width:60ch}
.prose{max-width:68ch}
.prose p{color:#33383E}
.section--dark .prose p{color:var(--ivory-dim)}

/* ---------- 4. TLAČÍTKA ---------- */
.btn{
  display:inline-flex;align-items:center;gap:var(--s-3);
  font-family:var(--font-sans);font-size:.9rem;font-weight:600;letter-spacing:.01em;
  padding:16px 26px;border:1px solid transparent;border-radius:0;
  cursor:pointer;transition:background .25s var(--ease),color .25s var(--ease),border-color .25s var(--ease);
  text-align:left;
}
.btn--primary{background:var(--gold);color:var(--ink-900);border-color:var(--gold)}
.btn--primary:hover{background:var(--gold-soft);border-color:var(--gold-soft)}
.btn--ghost{background:transparent;color:var(--ivory);border-color:rgba(244,240,230,.38)}
.btn--ghost:hover{border-color:var(--gold);color:var(--gold)}
.btn--dark{background:var(--ink-900);color:var(--ivory);border-color:var(--ink-900)}
.btn--dark:hover{background:var(--ink-700);border-color:var(--ink-700)}
.btn--outline{background:transparent;color:var(--ink-900);border-color:rgba(11,13,16,.3)}
.btn--outline:hover{border-color:var(--ink-900);background:rgba(11,13,16,.04)}
.btn--block{width:100%;justify-content:center}
.btn--lg{padding:19px 34px;font-size:.95rem}

/* Tah E2–E4 se objeví při hoveru primárního CTA */
.btn__move{
  font-size:var(--fs-micro);letter-spacing:.16em;font-weight:700;opacity:0;
  max-width:0;overflow:hidden;white-space:nowrap;
  transition:opacity .3s var(--ease),max-width .35s var(--ease);
}
.btn:hover .btn__move,.btn:focus-visible .btn__move{opacity:.75;max-width:70px}

/* Textový odkaz s linkou */
.link{
  display:inline-flex;align-items:center;gap:10px;font-weight:600;font-size:.88rem;
  padding-bottom:3px;border-bottom:1px solid var(--gold);
  transition:color .2s var(--ease),border-color .2s var(--ease);
}
.link:hover{color:var(--gold-deep);border-color:var(--gold-deep)}
.section--dark .link:hover,.section--ink .link:hover{color:var(--gold-soft);border-color:var(--gold-soft)}

/* ---------- 5. HLAVIČKA / NAVIGACE ---------- */
.header{
  position:fixed;inset:0 0 auto 0;z-index:80;
  padding:var(--s-4) 0;
  transition:background .35s var(--ease),padding .35s var(--ease),border-color .35s var(--ease);
  border-bottom:1px solid transparent;
}
.header__inner{display:flex;align-items:center;justify-content:space-between;gap:var(--s-5)}
.header.is-stuck{background:rgba(11,13,16,.94);backdrop-filter:blur(10px);border-bottom-color:rgba(200,164,93,.22);padding:10px 0}

.logo{display:flex;align-items:center;gap:var(--s-3);color:var(--ivory)}
.logo__mark{width:34px;height:34px;flex:0 0 34px}
.logo__text{display:flex;flex-direction:column;line-height:1.05}
.logo__name{font-family:var(--font-display);font-size:1.12rem;letter-spacing:.01em}
.logo__sub{font-size:.6rem;letter-spacing:.24em;color:var(--gold);font-weight:600}

.nav{display:flex;align-items:center;gap:var(--s-5)}
.nav__link{
  font-size:.875rem;font-weight:500;color:var(--ivory);opacity:.82;
  padding:6px 0;border-bottom:1px solid transparent;transition:opacity .2s,border-color .2s;
}
.nav__link:hover,.nav__link[aria-current="page"]{opacity:1;border-bottom-color:var(--gold)}
.nav .btn{padding:12px 20px}

.burger{
  display:none;width:44px;height:44px;background:none;border:1px solid rgba(244,240,230,.32);
  color:var(--ivory);cursor:pointer;align-items:center;justify-content:center;
}
.burger span{display:block;width:20px;height:1px;background:currentColor;position:relative}
.burger span::before,.burger span::after{
  content:"";position:absolute;left:0;width:20px;height:1px;background:currentColor;transition:transform .3s var(--ease)
}
.burger span::before{top:-6px}.burger span::after{top:6px}
.burger[aria-expanded="true"] span{background:transparent}
.burger[aria-expanded="true"] span::before{transform:translateY(6px) rotate(45deg)}
.burger[aria-expanded="true"] span::after{transform:translateY(-6px) rotate(-45deg)}

/* ---------- 6. HERO ---------- */
.hero{position:relative;background:var(--ink-900);color:var(--ivory);overflow:hidden;isolation:isolate}
.hero__board{position:absolute;inset:0;z-index:-2;opacity:.5}
.hero__glow{
  position:absolute;z-index:-1;inset:auto -10% -40% 30%;height:70%;
  background:radial-gradient(60% 60% at 50% 50%,rgba(200,164,93,.16),transparent 70%);
  pointer-events:none;
}
.hero__inner{
  display:grid;grid-template-columns:1.15fr .85fr;gap:var(--s-8);align-items:center;
  padding-top:calc(var(--s-10) + 40px);padding-bottom:var(--s-9);
}
.hero__eyebrow{display:flex;align-items:center;gap:var(--s-4);margin-bottom:var(--s-5)}
.hero__eyebrow .coord{white-space:nowrap}
.hero__rule{height:1px;background:linear-gradient(90deg,var(--gold),transparent);flex:1}

.hero h1{font-size:var(--fs-display);line-height:.94;letter-spacing:-.03em}
.hero h1 em{font-style:italic}
.hero__claim{
  font-family:var(--font-display);font-size:clamp(1.25rem,2.4vw,1.9rem);
  font-style:italic;color:var(--gold-soft);margin:var(--s-5) 0 var(--s-4);line-height:1.3;
}
.hero__text{max-width:52ch;color:var(--ivory-dim);font-size:1.02rem}
.hero__actions{display:flex;flex-wrap:wrap;gap:var(--s-3);margin-top:var(--s-6)}
.hero__facts{
  display:flex;flex-wrap:wrap;gap:var(--s-5);margin-top:var(--s-7);
  padding-top:var(--s-5);border-top:1px solid rgba(244,240,230,.14);
}
.hero__fact{font-size:var(--fs-micro);letter-spacing:.2em;font-weight:600;color:var(--ivory-dim)}

/* Fotoslot v hero */
.hero__media{position:relative;aspect-ratio:4/5;border:1px solid rgba(200,164,93,.3);background:
  linear-gradient(180deg,rgba(244,240,230,.05),rgba(244,240,230,.01));display:grid;place-items:center;padding:var(--s-5)}
.hero__media::before,.hero__media::after{
  content:"";position:absolute;width:14px;height:14px;border:1px solid var(--gold);
}
.hero__media::before{top:-1px;left:-1px;border-width:1px 0 0 1px}
.hero__media::after{bottom:-1px;right:-1px;border-width:0 1px 1px 0}
.slot{text-align:center;color:var(--ivory-dim)}
.slot__label{font-size:var(--fs-micro);letter-spacing:.22em;font-weight:700;color:var(--gold);display:block;margin-bottom:var(--s-2)}
.slot__hint{font-size:.8rem;line-height:1.5;max-width:26ch;margin:0 auto;color:var(--muted)}

/* ---------- 7. KARTY ---------- */
.grid{display:grid;gap:var(--s-5)}
.grid--3{grid-template-columns:repeat(3,1fr)}
.grid--2{grid-template-columns:repeat(2,1fr)}
.grid--4{grid-template-columns:repeat(4,1fr)}

.card{
  position:relative;background:#fff;border:var(--border-dark);padding:var(--s-6);
  display:flex;flex-direction:column;gap:var(--s-3);
  transition:border-color .25s var(--ease),transform .25s var(--ease);
}
.card:hover{border-color:rgba(200,164,93,.65)}
.section--dark .card,.section--ink .card{background:var(--ink-700);border-color:rgba(244,240,230,.12)}
.card__date{font-size:var(--fs-micro);letter-spacing:.16em;font-weight:700;color:var(--gold-deep)}
.section--dark .card__date{color:var(--gold)}
.card h3{font-size:var(--fs-h3)}
.card p{font-size:.9rem;color:var(--muted-dark)}
.section--dark .card p,.section--ink .card p{color:var(--ivory-dim)}
.card__meta{display:flex;flex-wrap:wrap;gap:var(--s-2) var(--s-4);font-size:.8rem;color:var(--muted-dark);margin-top:auto;padding-top:var(--s-4)}
.card__foot{margin-top:auto;padding-top:var(--s-5)}

.tag{
  display:inline-block;font-size:var(--fs-micro);letter-spacing:.12em;font-weight:700;
  padding:4px 9px;border:1px solid currentColor;color:var(--gold-deep);
}
.tag--demo{color:var(--burgundy);border-style:dashed}
.tag--live{color:#2E6B42}

/* Karta pro koho — s figurkou */
.role{padding:var(--s-6);border:var(--border-dark);background:#fff;display:flex;flex-direction:column;gap:var(--s-4)}
.role__piece{width:42px;height:42px;color:var(--gold-deep)}
.role h3{font-size:1.5rem}
.role p{font-size:.92rem;color:var(--muted-dark)}

/* ---------- 8. TIMELINE TRÉNINKU ---------- */
.moves{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid rgba(244,240,230,.16)}
.move{padding:var(--s-6) var(--s-5);border-right:1px solid rgba(244,240,230,.16);position:relative}
.move:last-child{border-right:0}
.move__no{font-family:var(--font-display);font-size:2.4rem;color:var(--gold);line-height:1;display:block;margin-bottom:var(--s-4)}
.move h3{font-size:1.35rem;margin-bottom:var(--s-2)}
.move p{font-size:.9rem;color:var(--ivory-dim)}

/* ---------- 9. STATISTIKY ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--s-5)}
.stat{border-left:2px solid var(--gold);padding-left:var(--s-5)}
.stat__num{font-family:var(--font-display);font-size:clamp(2.6rem,5vw,4rem);line-height:1;display:block}
.stat__label{font-size:.85rem;color:var(--muted-dark);margin-top:var(--s-3);display:block;max-width:22ch}
.section--dark .stat__label{color:var(--ivory-dim)}
.stat__note{font-size:var(--fs-micro);color:var(--muted);margin-top:var(--s-2);display:block}

/* ---------- 10. VÝSLEDKY ---------- */
.match{
  display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:var(--s-5);
  border:1px solid rgba(244,240,230,.14);padding:var(--s-6);background:var(--ink-700);
}
.match__team{font-family:var(--font-display);font-size:1.4rem;line-height:1.2}
.match__team--away{text-align:right}
.match__score{
  font-family:var(--font-display);font-size:clamp(1.8rem,4vw,2.6rem);color:var(--gold);
  padding:0 var(--s-5);border-left:1px solid rgba(244,240,230,.14);border-right:1px solid rgba(244,240,230,.14);
  font-variant-numeric:tabular-nums;white-space:nowrap;
}
.table-wrap{overflow-x:auto;margin-top:var(--s-5)}
table{width:100%;border-collapse:collapse;font-size:.88rem}
th{
  text-align:left;font-weight:600;font-size:var(--fs-micro);letter-spacing:.14em;
  color:var(--gold);padding:var(--s-3) var(--s-4);border-bottom:1px solid rgba(244,240,230,.2);white-space:nowrap;
}
td{padding:var(--s-4);border-bottom:1px solid rgba(244,240,230,.08);color:var(--ivory-dim)}
tr:last-child td{border-bottom:0}

/* ---------- 11. GALERIE ---------- */
.gallery{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:180px;gap:var(--s-3)}
.gallery__item{
  position:relative;border:1px solid rgba(11,13,16,.16);background:var(--ivory-2);
  display:grid;place-items:center;overflow:hidden;
}
.gallery__item:nth-child(1){grid-column:span 2;grid-row:span 2}
.gallery__item:nth-child(6){grid-column:span 2}
.gallery__item .coord{position:absolute;top:10px;left:12px}

/* ---------- 12. NÁBOROVÝ CTA ---------- */
.recruit{position:relative;text-align:center;padding:var(--s-10) 0;overflow:hidden}
.recruit h2{font-size:var(--fs-h1);max-width:16ch;margin:0 auto var(--s-5)}
.recruit p{max-width:48ch;margin:0 auto var(--s-6);color:var(--ivory-dim)}

/* ---------- 13. FORMULÁŘ ---------- */
.form{display:grid;gap:var(--s-5)}
.form__row{display:grid;grid-template-columns:1fr 1fr;gap:var(--s-5)}
.field{display:flex;flex-direction:column;gap:8px}
.field label{font-size:.82rem;font-weight:600;letter-spacing:.02em}
.field .req{color:var(--burgundy)}
.field input,.field select,.field textarea{
  font-family:var(--font-sans);font-size:.95rem;padding:14px 16px;
  border:1px solid rgba(11,13,16,.22);background:#fff;color:var(--ink-900);border-radius:0;
  transition:border-color .2s var(--ease);
}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--gold);outline:none;box-shadow:0 0 0 2px rgba(200,164,93,.25)}
.field textarea{resize:vertical;min-height:110px}
.field__hint{font-size:.78rem;color:var(--muted-dark)}
.check{display:flex;gap:var(--s-3);align-items:flex-start;font-size:.84rem;line-height:1.5}
.check input{margin-top:3px;accent-color:var(--gold-deep);width:18px;height:18px}
.form__note{font-size:.8rem;color:var(--muted-dark)}
.form-status{padding:var(--s-4) var(--s-5);border-left:3px solid var(--gold);background:var(--ivory-2);font-size:.9rem;display:none}
.form-status.is-visible{display:block}

/* ---------- 14. FAQ ---------- */
.faq{border-top:var(--border-dark)}
.faq__item{border-bottom:var(--border-dark)}
.faq__q{
  width:100%;background:none;border:0;padding:var(--s-5) 40px var(--s-5) 0;text-align:left;cursor:pointer;
  font-family:var(--font-display);font-size:1.2rem;color:inherit;position:relative;
}
.faq__q::after{
  content:"";position:absolute;right:8px;top:50%;width:11px;height:11px;
  border-right:1px solid var(--gold-deep);border-bottom:1px solid var(--gold-deep);
  transform:translateY(-70%) rotate(45deg);transition:transform .3s var(--ease);
}
.faq__q[aria-expanded="true"]::after{transform:translateY(-20%) rotate(-135deg)}
.faq__a{display:none;padding:0 0 var(--s-5);max-width:70ch;color:#3A3F45;font-size:.95rem}
.faq__a.is-open{display:block}

/* ---------- 15. EMPTY STATE ---------- */
.empty{
  border:1px dashed rgba(200,164,93,.5);padding:var(--s-8) var(--s-6);text-align:center;
}
.empty h3{font-size:1.5rem;margin-bottom:var(--s-3)}
.empty p{max-width:44ch;margin:0 auto var(--s-5);color:var(--ivory-dim);font-size:.95rem}

/* ---------- 16. FOOTER ---------- */
.footer{background:var(--ink-900);color:var(--ivory);padding:var(--s-9) 0 var(--s-5);position:relative}
.footer__grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:var(--s-7)}
.footer h4{font-size:var(--fs-micro);letter-spacing:.2em;color:var(--gold);margin-bottom:var(--s-5);font-weight:700}
.footer li{margin-bottom:10px;font-size:.9rem;color:var(--ivory-dim)}
.footer a:hover{color:var(--gold)}
.footer__brand p{font-size:.9rem;color:var(--ivory-dim);max-width:34ch;margin-top:var(--s-4)}
.footer__bar{
  display:flex;flex-wrap:wrap;gap:var(--s-4);justify-content:space-between;align-items:center;
  margin-top:var(--s-8);padding-top:var(--s-5);border-top:1px solid rgba(244,240,230,.12);
  font-size:.8rem;color:var(--muted);
}
.footer__coords{display:flex;gap:var(--s-4);opacity:.5}

/* ---------- 17. STICKY CTA (mobil) ---------- */
.sticky-cta{
  position:fixed;left:0;right:0;bottom:0;z-index:70;display:none;
  padding:10px 14px calc(10px + env(safe-area-inset-bottom));
  background:rgba(11,13,16,.96);backdrop-filter:blur(8px);border-top:1px solid rgba(200,164,93,.3);
}

/* ---------- 18. ANIMACE ---------- */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  .knight-path{stroke-dasharray:none!important;stroke-dashoffset:0!important;animation:none!important}
}
.knight-path{stroke-dasharray:900;stroke-dashoffset:900;animation:draw 2.6s var(--ease) .5s forwards}
@keyframes draw{to{stroke-dashoffset:0}}

/* ---------- 19. RESPONSIVE ---------- */
@media (max-width:1080px){
  .grid--4{grid-template-columns:repeat(2,1fr)}
  .stats{grid-template-columns:repeat(2,1fr);gap:var(--s-6)}
  .footer__grid{grid-template-columns:1fr 1fr;gap:var(--s-6)}
}
@media (max-width:960px){
  .nav{
    position:fixed;inset:0 0 0 auto;width:min(84vw,360px);background:var(--ink-900);
    flex-direction:column;align-items:flex-start;justify-content:center;gap:var(--s-5);
    padding:var(--s-8) var(--s-6);transform:translateX(100%);transition:transform .4s var(--ease);
    border-left:1px solid rgba(200,164,93,.25);
  }
  .nav.is-open{transform:none}
  .nav__link{font-family:var(--font-display);font-size:1.5rem;opacity:1}
  .burger{display:flex}
  .hero__inner{grid-template-columns:1fr;gap:var(--s-7);padding-top:calc(var(--s-9) + 30px)}
  .hero__media{aspect-ratio:16/10;max-width:520px}
  .moves{grid-template-columns:repeat(2,1fr);border-left:1px solid rgba(244,240,230,.16)}
  .move{border-bottom:1px solid rgba(244,240,230,.16)}
  .move:nth-child(2n){border-right:0}
  .gallery{grid-template-columns:repeat(2,1fr);grid-auto-rows:150px}
  .gallery__item:nth-child(1){grid-column:span 2;grid-row:span 1}
  .gallery__item:nth-child(6){grid-column:span 2}
}
@media (max-width:760px){
  :root{--s-9:64px;--s-10:80px}
  .grid--3,.grid--2,.grid--4{grid-template-columns:1fr}
  .sec-head{flex-direction:column;align-items:flex-start}
  .match{grid-template-columns:1fr;text-align:center;gap:var(--s-4)}
  .match__team--away{text-align:center}
  .match__score{border:0;border-top:1px solid rgba(244,240,230,.14);border-bottom:1px solid rgba(244,240,230,.14);padding:var(--s-3) 0}
  .form__row{grid-template-columns:1fr}
  .footer__grid{grid-template-columns:1fr}
  .sticky-cta{display:block}
  body.has-sticky{padding-bottom:76px}
  .btn{width:auto}
}
@media (max-width:400px){
  .hero__actions .btn{width:100%;justify-content:center}
}
@media (min-width:1700px){
  .container{max-width:1360px}
}

/* ---------- 20. 3D HERO SCÉNA ---------- */
.hero__canvas{
  position:absolute;inset:0;width:100%;height:100%;z-index:-2;
  opacity:0;transition:opacity 1.2s var(--ease);
}
.hero__canvas.is-ready{opacity:1}
.hero__scrim{
  position:absolute;inset:0;z-index:-1;pointer-events:none;
  background:
    linear-gradient(100deg,rgba(11,13,16,.96) 0%,rgba(11,13,16,.86) 38%,rgba(11,13,16,.25) 62%,rgba(11,13,16,.55) 100%),
    linear-gradient(180deg,rgba(11,13,16,.9) 0%,transparent 26%,transparent 70%,rgba(11,13,16,.85) 100%);
}
.hero--3d .hero__inner{grid-template-columns:minmax(0,1fr) minmax(0,.72fr);min-height:min(92vh,860px);align-content:center}
.hero--3d .hero__media{background:transparent;border-color:rgba(200,164,93,.18)}

/* ---------- 21. LOGO ---------- */
.logo__mark{width:40px;height:40px;flex:0 0 40px}
.logo__name{font-family:var(--font-display);font-size:1.05rem;letter-spacing:.005em;white-space:nowrap}
.logo__sub{font-size:.58rem;letter-spacing:.34em;color:var(--gold);font-weight:700}
.header.is-stuck .logo__mark{width:34px;height:34px;flex:0 0 34px}

/* ---------- 22. ŠACHOVÝ DIAGRAM ---------- */
.puzzle-wrap{display:grid;grid-template-columns:auto 1fr;gap:var(--s-8);align-items:center}
.puzzle{
  display:grid;grid-template-columns:repeat(8,minmax(0,1fr));grid-template-rows:repeat(8,minmax(0,1fr));width:min(420px,100%);aspect-ratio:1;
  border:1px solid rgba(200,164,93,.55);box-shadow:0 30px 70px -40px rgba(0,0,0,.9);
}
.sq{display:grid;place-items:center;position:relative}
.sq--l{background:#E2DBC9}
.sq--d{background:#2B323B}
.pc{font-size:clamp(20px,4.4vw,34px);line-height:1;display:block;transform:translateY(-1px)}
.pc--w{color:#FFFDF6;text-shadow:0 1px 0 rgba(0,0,0,.45)}
.pc--b{color:#0B0D10;text-shadow:0 1px 0 rgba(255,255,255,.18)}
.puzzle-move{
  font-family:var(--font-display);font-size:clamp(1.6rem,3vw,2.3rem);color:var(--gold);
  display:block;margin-bottom:var(--s-3);
}
.solution{border-left:2px solid var(--gold);padding-left:var(--s-5);margin-top:var(--s-5)}

/* ---------- 23. TIMELINE HISTORIE ---------- */
.tl{display:grid;gap:0}
.tl__row{display:grid;grid-template-columns:120px 1fr;gap:var(--s-6);padding:var(--s-5) 0;border-top:1px solid rgba(244,240,230,.14)}
.tl__year{font-family:var(--font-display);font-size:1.6rem;color:var(--gold)}
.tl__row p{font-size:.92rem;color:var(--ivory-dim)}

@media (max-width:960px){
  .hero--3d .hero__inner{grid-template-columns:1fr;min-height:0}
  .puzzle-wrap{grid-template-columns:1fr;gap:var(--s-6)}
  .puzzle{width:min(360px,100%);margin:0 auto}
}
@media (max-width:760px){
  .tl__row{grid-template-columns:1fr;gap:var(--s-2)}
}


/* ---------- 24. TYPOGRAFIE — BEZPATKOVÁ VERZE ---------- */
h1,h2{font-stretch:118%;font-weight:700;letter-spacing:-.035em}
h3{font-stretch:112%;font-weight:700;letter-spacing:-.02em}
.hero h1{font-weight:800;letter-spacing:-.045em;line-height:.92}
.hero__claim{font-style:normal;font-weight:600;font-stretch:112%;letter-spacing:-.015em;color:var(--gold-soft)}
.logo__name{font-weight:700;font-stretch:112%;letter-spacing:-.01em}
.stat__num,.move__no,.puzzle-move,.tl__year,.match__team,.match__score{
  font-family:var(--font-sans);font-weight:700;font-stretch:112%;letter-spacing:-.03em;
}
.stat__num,.match__score{font-variant-numeric:tabular-nums}
.faq__q{font-family:var(--font-sans);font-weight:600;font-stretch:108%;letter-spacing:-.015em;font-size:1.08rem}
blockquote{font-style:normal!important;font-weight:600;font-stretch:110%;letter-spacing:-.025em}
.sec-head h2{max-width:18ch}

/* více vzduchu v hero a u sekcí na širokých obrazovkách */
.hero--3d .hero__inner{gap:clamp(32px,5vw,88px)}
@media (min-width:1500px){
  :root{--container:1320px}
  .hero--3d .hero__inner{grid-template-columns:minmax(0,1fr) minmax(0,.62fr)}
}

/* ---------- 25. PLOVOUCÍ TLAČÍTKO DO ADMINISTRACE ---------- */
.fab{
  position:fixed;right:clamp(16px,2.2vw,32px);bottom:clamp(16px,2.2vw,32px);z-index:75;
  display:inline-flex;align-items:center;gap:10px;
  height:52px;padding:0 20px;
  background:rgba(11,13,16,.92);color:var(--ivory);
  border:1px solid rgba(200,164,93,.55);
  font-size:.82rem;font-weight:600;letter-spacing:.02em;
  backdrop-filter:blur(10px);
  box-shadow:0 16px 40px -18px rgba(0,0,0,.9);
  transition:background .25s var(--ease),border-color .25s var(--ease),color .25s var(--ease);
}
.fab:hover,.fab:focus-visible{background:var(--gold);color:var(--ink-900);border-color:var(--gold)}
.fab svg{width:18px;height:18px;flex:0 0 18px}
body.has-sticky .fab{bottom:calc(76px + 16px)}
@media (max-width:760px){
  .fab{width:52px;padding:0;justify-content:center;border-radius:50%}
  .fab span{display:none}
}
@media print{.fab{display:none}}