/* Shared chrome for /work/ and /cz/prace/ case-study pages. On-brand with the
   homepage (same tokens, fonts, nav, footer) but kept in its own file so the
   homepage's existing inline <style> never has to be touched or risk drifting. */
:root{
  --ink:#0E0C0B; --ink2:#16120E; --ink3:#211B14; --paper:#F3EEE4; --mut:#A99C88;
  --accent:#E0823E; --accent2:#EE9A57; --line:rgba(243,238,228,.12);
  --serif:'Fraunces',Georgia,serif; --sans:'Manrope','Helvetica Neue',Arial,sans-serif;
  --mono:'JetBrains Mono',ui-monospace,SFMono-Regular,Menlo,monospace;
}
*{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{background:var(--ink);color:var(--paper);font-family:var(--sans);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden;font-optical-sizing:auto;}
::selection{background:var(--accent);color:#1c0f06;}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px;}
img{display:block;max-width:100%;}
a{color:inherit;text-decoration:none;}
.wrap{max-width:1280px;margin:0 auto;padding:0 clamp(20px,5vw,64px);}
.eyebrow{font-size:12px;font-weight:600;letter-spacing:.22em;text-transform:uppercase;color:var(--accent);}
.h-sec{font-family:var(--serif);font-weight:540;font-size:clamp(2rem,5vw,3.6rem);line-height:1.08;letter-spacing:-.02em;}
.btn{display:inline-flex;align-items:center;gap:9px;font-family:var(--sans);font-weight:600;font-size:14px;padding:14px 26px;border-radius:40px;cursor:pointer;transition:.25s;border:1px solid transparent;}
.btn-p{background:var(--accent);color:#1c0f06;}
.btn-p:hover{background:var(--accent2);transform:translateY(-1px);}
.btn-o{border-color:rgba(243,238,228,.3);color:var(--paper);}
.btn-o:hover{border-color:var(--paper);background:rgba(243,238,228,.06);}
em{font-style:italic;color:var(--accent);}

nav{position:fixed;top:0;left:0;right:0;z-index:30;background:rgba(14,12,11,.86);backdrop-filter:blur(12px);border-bottom:1px solid var(--line);}
nav .wrap{display:flex;align-items:center;justify-content:space-between;height:66px;}
.brand{font-family:var(--serif);font-size:22px;font-weight:600;display:flex;align-items:center;gap:10px;}
.brand .dot{width:8px;height:8px;border-radius:50%;background:var(--accent);}
.nav-links{display:flex;gap:30px;font-size:14px;font-weight:500;}
.nav-links a{color:rgba(243,238,228,.82);transition:.2s;}
.nav-links a:hover{color:var(--accent);}
.nav-right{display:flex;align-items:center;gap:16px;}
@media (max-width:760px){ .nav-links{display:none;} }

main{padding-top:66px;}

footer{border-top:1px solid var(--line);padding:48px 0;margin-top:96px;}
footer .wrap{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap;align-items:flex-start;}
footer .fb{font-family:var(--serif);font-size:22px;font-weight:600;}
footer .fcol{font-size:14px;color:var(--mut);line-height:1.9;}
footer .fcol a:hover{color:var(--accent);}
footer .legal{width:100%;border-top:1px solid var(--line);margin-top:14px;padding-top:18px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:12.5px;color:var(--mut);}

/* article shell shared by every case-study page */
.cs-hero{padding:clamp(140px,18vw,180px) 0 clamp(48px,7vw,80px);position:relative;}
.cs-hero::before{content:"";position:absolute;inset:0;z-index:-1;background:radial-gradient(120% 100% at 82% 0%,rgba(224,130,62,.14),transparent 56%),linear-gradient(180deg,#0d0b09,#0E0C0B);}
.cs-kicker{display:flex;flex-wrap:wrap;gap:10px 26px;margin-top:18px;font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--mut);}
.cs-kicker span+span{position:relative;padding-left:16px;}
.cs-kicker span+span::before{content:"";position:absolute;left:0;top:50%;width:3px;height:3px;border-radius:50%;background:var(--accent);transform:translateY(-50%);}
.cs-h1{font-family:var(--serif);font-weight:560;font-size:clamp(2rem,4.6vw,3.4rem);line-height:1.08;letter-spacing:-.02em;max-width:18ch;margin:18px 0 0;}
.cs-lede{font-size:clamp(15px,1.4vw,18px);color:#d8d0c2;max-width:60ch;margin:22px 0 0;}
.cs-ribbon{display:inline-flex;align-items:center;gap:9px;background:var(--accent);color:#1c0f06;font-size:11.5px;font-weight:700;padding:7px 14px;border-radius:30px;margin-bottom:16px;}

.cs-stage{position:relative;width:100%;aspect-ratio:16/9;border-radius:16px;overflow:hidden;background:#000;margin:clamp(28px,5vw,48px) 0;box-shadow:0 40px 100px -36px rgba(0,0,0,.8);}
.cs-stage iframe,.cs-stage video{position:absolute;inset:0;width:100%;height:100%;border:0;}
.cs-stage img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;}
.cs-stage .play{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);z-index:2;width:76px;height:76px;border-radius:50%;background:var(--accent);color:#1c0f06;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:.3s;}
.cs-stage .play svg{width:30%;height:30%;margin-left:6%;}
.cs-stage .play:hover{background:var(--accent2);transform:translate(-50%,-50%) scale(1.06);}
.cs-stage[data-playing] .play{display:none;}

.cs-body{display:grid;grid-template-columns:1.3fr .9fr;gap:clamp(28px,5vw,64px);padding:0 0 clamp(48px,7vw,88px);align-items:start;}
.cs-body p{color:#cabfad;font-size:16px;line-height:1.68;margin-bottom:18px;max-width:62ch;}
.cs-body h2{font-family:var(--serif);font-weight:560;font-size:clamp(1.3rem,2vw,1.7rem);margin:0 0 14px;}
.cs-aside{border:1px solid var(--line);border-radius:16px;padding:26px 28px;background:rgba(243,238,228,.02);}
.cs-aside dl{display:grid;grid-template-columns:auto 1fr;gap:10px 16px;font-size:14px;}
.cs-aside dt{font-family:var(--mono);font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--mut);}
.cs-aside dd{color:#e6ddcd;}
.cs-aside .src{margin-top:18px;padding-top:16px;border-top:1px solid var(--line);font-size:12.5px;color:var(--mut);}
.cs-aside .src a{color:var(--accent2);}
.cs-aside .src a:hover{text-decoration:underline;}
.cs-cta{margin-top:22px;width:100%;justify-content:center;}

.cs-next{border-top:1px solid var(--line);padding:clamp(40px,6vw,64px) 0;}
.cs-next .lab{font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--mut);font-weight:600;}
.cs-next-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:20px;}
.cs-next a{border:1px solid var(--line);border-radius:14px;padding:18px 20px;display:block;transition:.2s;}
.cs-next a:hover{border-color:rgba(243,238,228,.4);background:rgba(243,238,228,.03);}
.cs-next .cat{font-size:11px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--accent2);margin-bottom:6px;}
.cs-next .ttl{font-family:var(--serif);font-size:16px;font-weight:600;}
@media (max-width:760px){ .cs-next-grid{grid-template-columns:1fr;} }

@media (max-width:900px){ .cs-body{grid-template-columns:1fr;} }