/* Střechy Sojka – jediný stylopis, bez frameworku. */
:root{
  --bg:#fff; --fg:#20242b; --muted:#5d6572; --line:#e3e6ea;
  --brand:#ba291a; --brand-dark:#90200f; --soft:#f6f4f1;
  --wrap:1120px; --r:10px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--fg);
  font:16px/1.65 system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand)}
h1,h2,h3{line-height:1.2;margin:0 0 .5em;font-weight:700;letter-spacing:-.01em}
h1{font-size:clamp(1.8rem,4vw,2.6rem)}
h2{font-size:clamp(1.4rem,2.6vw,1.9rem)}
h3{font-size:1.05rem}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 16px}
.band{padding:48px 16px}
.wrap.band{padding-left:16px;padding-right:16px}
.band-alt{background:var(--soft);border-block:1px solid var(--line)}
.lede{font-size:1.1rem;color:var(--muted);max-width:70ch}
.note{color:var(--muted);font-size:.95rem}
.skip{position:absolute;left:-9999px}
.skip:focus{left:8px;top:8px;background:#fff;padding:8px;z-index:10}

/* hlavička */
.site-head{position:sticky;top:0;z-index:5;background:#fff;border-bottom:1px solid var(--line)}
.head-inner{display:flex;align-items:center;gap:16px;flex-wrap:wrap;padding-block:12px}
.brand{display:flex;align-items:center;gap:10px;color:var(--fg);text-decoration:none;font-weight:800;font-size:1.15rem}
.brand-mark{width:38px;height:auto;display:block}
.nav{margin-left:auto;display:flex;align-items:center;gap:4px;flex-wrap:wrap}
.nav a{padding:8px 12px;border-radius:var(--r);color:var(--fg);text-decoration:none;font-weight:600}
.nav a:hover{background:var(--soft)}
.nav a.on{color:var(--brand)}

/* hero */
.hero{position:relative;background:#20242b}
.hero-img{width:100%;height:clamp(300px,58vh,460px);object-fit:cover;object-position:60% 50%}
/* tmavý závoj zleva, aby byl bílý text čitelný přes světlou oblohu */
.hero::after{content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(10,12,15,.88) 0%,rgba(10,12,15,.66) 45%,rgba(10,12,15,.2) 100%)}
.hero-box{position:absolute;inset:0;z-index:1;display:flex;flex-direction:column;justify-content:center;color:#fff}
.hero-box h1{text-shadow:0 2px 12px rgba(0,0,0,.5)}
.hero-box p{max-width:60ch;text-shadow:0 1px 8px rgba(0,0,0,.6)}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:8px}
.btn{display:inline-block;background:var(--brand);color:#fff;text-decoration:none;font-weight:700;
  padding:12px 20px;border-radius:var(--r)}
.btn:hover{background:var(--brand-dark)}
.btn-ghost{background:transparent;border:2px solid currentColor;color:#fff}
.band .btn-ghost{color:var(--brand)}
.btn-ghost:hover{background:rgba(255,255,255,.12)}
.band .btn-ghost:hover{background:var(--soft)}

/* karty služeb */
.cards,.grid,.gallery,.ticks{list-style:none;margin:0;padding:0}
.cards{display:grid;gap:16px;grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}
.card{border:1px solid var(--line);border-radius:var(--r);padding:18px}
.card h3{color:var(--brand)}
.card p{margin:0;color:var(--muted)}
.two-col{display:grid;gap:24px;grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}
.ticks li{padding-left:26px;position:relative;margin-bottom:8px}
.ticks li::before{content:"";position:absolute;left:0;top:.55em;width:10px;height:10px;
  border-radius:50%;background:var(--brand)}

/* dlaždice referencí */
.grid{display:grid;gap:18px;grid-template-columns:repeat(auto-fill,minmax(260px,1fr))}
.tile a{display:block;text-decoration:none;color:inherit;border:1px solid var(--line);
  border-radius:var(--r);overflow:hidden;height:100%}
.tile a:hover{border-color:var(--brand)}
.tile img{aspect-ratio:3/2;object-fit:cover;width:100%}
.tile-t{display:block;padding:12px 14px 0;font-weight:700}
.tile-n{display:block;padding:2px 14px 14px;color:var(--muted);font-size:.9rem}
.more{margin-top:24px}

/* fotogalerie */
.crumbs{margin:0 0 8px}
.gallery{display:grid;gap:10px;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));margin-top:24px}
.gallery img{aspect-ratio:3/2;object-fit:cover;border-radius:6px;width:100%}
.gallery a:hover img{opacity:.85}

/* kontakt */
.contact{margin:24px 0;border:1px solid var(--line);border-radius:var(--r);padding:20px;max-width:520px}
.contact-role{margin-top:0;font-weight:700}
.contact-line{display:flex;gap:12px;align-items:baseline;margin:.4em 0;font-size:1.15rem}
.contact-line span{color:var(--muted);font-size:.9rem;min-width:70px}

.band-cta{background:var(--soft);border-top:1px solid var(--line);text-align:center;padding:48px 16px}
.band-cta .hero-cta{justify-content:center}

/* patička */
.site-foot{background:#20242b;color:#cfd4dc;margin-top:8px;padding:32px 0 16px}
.site-foot a{color:#fff}
.foot-inner{display:grid;gap:16px;grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}
.copy{border-top:1px solid #333a45;margin-top:16px;padding-top:12px;font-size:.85rem;color:#8d95a3}

/* lightbox */
.lb{position:fixed;inset:0;background:rgba(15,17,20,.94);display:flex;align-items:center;
  justify-content:center;z-index:20}
.lb img{max-width:94vw;max-height:88vh;object-fit:contain}
.lb button{position:absolute;background:rgba(255,255,255,.12);color:#fff;border:0;
  font-size:2rem;line-height:1;width:52px;height:52px;border-radius:50%;cursor:pointer}
.lb .lb-close{top:16px;right:16px;font-size:1.6rem}
.lb .lb-prev{left:12px}
.lb .lb-next{right:12px}
.lb button:hover{background:rgba(255,255,255,.25)}
.lb-count{position:absolute;bottom:16px;color:#cfd4dc;font-size:.9rem}

@media (max-width:760px){
  .band{padding:32px 16px}
  .hero-img{height:clamp(280px,52vh,420px)}
  .hero::after{background:linear-gradient(180deg,rgba(10,12,15,.45) 0%,rgba(10,12,15,.88) 100%)}
  .hero-box{justify-content:flex-end;padding-bottom:24px}
  .hero-cta .btn{flex:1 1 100%;text-align:center}
  .brand-text{font-size:1rem}
  /* logo na prvním řádku, navigace pod ním – jinak se na mobilu nevejde */
  .head-inner{padding-block:10px;row-gap:8px}
  .nav{margin-left:0;width:100%;justify-content:space-between;gap:2px}
  .nav a{padding:8px 9px;font-size:.95rem}
  .contact-line{flex-wrap:wrap;font-size:1.05rem}
}
@media (max-width:420px){
  .nav{font-size:.9rem}
  .nav a{padding:7px 7px}
}