/* =====================================================================
   base.css — reset, typografie, mřížka, sekce, textury
   Vizuál přesně dle předlohy „Rakar".
   ===================================================================== */

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--ground);color:var(--ink);
  font-family:var(--font-body);font-size:16px;line-height:1.7;font-weight:400;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-x:hidden;
}
h1,h2,h3,h4{font-family:var(--font-display);letter-spacing:var(--display-tracking);margin:0;line-height:1.12;color:var(--ink);text-wrap:balance}
p{margin:0}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto;display:block}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}

.wrap{max-width:1660px;margin:0 auto;padding:0 40px}
@media(max-width:900px){.wrap{padding:0 20px}}

/* eyebrow — malý oranžový nadpisek s bleskem (⚡) */
.eyebrow{
  display:inline-flex;align-items:center;gap:7px;color:var(--accent);
  font-family:var(--font-display);font-size:.82rem;font-weight:700;letter-spacing:.02em;
  text-transform:uppercase;margin-bottom:14px;
}
.eyebrow::before{
  content:"";width:13px;height:13px;flex:none;background:currentColor;
  -webkit-mask:var(--bolt) center/contain no-repeat;mask:var(--bolt) center/contain no-repeat;
}
.eyebrow.center{justify-content:center}
:root{--bolt:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M13 2L4.5 13.5H11l-1 8.5 8.5-11.5H12z'/%3E%3C/svg%3E")}

/* přístupnost */
:focus-visible{outline:2px solid var(--accent-fill);outline-offset:3px}
.skip{position:absolute;left:-9999px;top:0;background:var(--accent-fill);color:#fff;padding:10px 16px;z-index:100;border-radius:0 0 8px 0}
.skip:focus{left:0}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}
@media(prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important;scroll-behavior:auto!important}}

/* sekce */
section.blk{padding:90px 0;position:relative}
@media(min-width:900px){section.blk{padding:110px 0}}
section.gray{background:var(--ground-2)}
section.dark{background:var(--dark-block);color:var(--dark-block-ink)}
section.dark h1,section.dark h2,section.dark h3,section.dark h4{color:var(--dark-block-ink)}

/* nadpis sekce */
.shead{margin-bottom:52px;max-width:640px}
.shead.center{margin-left:auto;margin-right:auto;text-align:center}
.shead h2{font-size:clamp(1.9rem,4.2vw,2.75rem);font-weight:var(--display-weight);margin-bottom:10px}
.shead p{color:var(--muted);font-size:1.02rem}
section.dark .shead p{color:var(--dark-block-muted)}
.shead-row{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;flex-wrap:wrap;margin-bottom:52px}
.shead-row .shead{margin-bottom:0}

/* circuit textura tmavých i světlých sekcí (motiv Rakar) */
.circuit::before{
  content:"";position:absolute;inset:0;pointer-events:none;z-index:0;
  background-image:var(--circuit);background-size:560px 560px;opacity:.5;
}
section.dark.circuit::before{opacity:.35}
.circuit>*{position:relative;z-index:1}
:root{--circuit:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='560' height='560' fill='none' stroke='%23808cae' stroke-width='1' opacity='0.4'%3E%3Cpath d='M40 0v120h80v90m0 0a10 10 0 100 20 10 10 0 100-20M120 300v160m180-460v60h140M300 60a9 9 0 100 18 9 9 0 100-18M460 60v200M460 260a9 9 0 100 18 9 9 0 100-18M0 380h180m0 0a9 9 0 1018 0 9 9 0 10-18 0M380 420h180M540 420v120'/%3E%3C/svg%3E")}
section.dark .circuit::before,section.dark.circuit::before{--circuit:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='560' height='560' fill='none' stroke='%236b78a8' stroke-width='1'%3E%3Cpath d='M40 0v120h80v90m0 0a10 10 0 100 20 10 10 0 100-20M120 300v160m180-460v60h140M300 60a9 9 0 100 18 9 9 0 100-18M460 60v200M460 260a9 9 0 100 18 9 9 0 100-18M0 380h180m0 0a9 9 0 1018 0 9 9 0 10-18 0M380 420h180M540 420v120'/%3E%3C/svg%3E")}

/* fotoslot — zástupná plocha, dokud nejsou skutečné fotky (docs/04) */
.photo{
  position:relative;background:#233; border-radius:var(--radius);overflow:hidden;
  display:flex;align-items:flex-end;padding:16px;min-height:200px;
  background-image:
    linear-gradient(135deg,rgba(244,118,42,.18),transparent 55%),
    linear-gradient(0deg,rgba(16,24,63,.55),rgba(16,24,63,.15)),
    repeating-linear-gradient(45deg,rgba(255,255,255,.04) 0 2px,transparent 2px 10px);
  background-color:#1b2340;
}
.photo span{position:relative;color:rgba(255,255,255,.78);z-index:1;font-size:.8rem;font-weight:500}
.photo img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}