/* =========================================================================
   Bychestav s.r.o. - design systém
   Paleta: slate/ink + teplá terakota (obklady/dlažba) + písková neutrální
   ========================================================================= */
:root{
  --ink:#17242b;
  --ink-2:#1f333d;
  --deep:#22404c;
  --accent:#cf6a33;
  --accent-dark:#b0511f;
  --accent-soft:#f6e6da;
  --sand:#f7f3ee;
  --sand-2:#efe8df;
  --surface:#ffffff;
  --line:#e6ddd2;
  --text:#26343b;
  --muted:#61707a;
  --white:#fff;
  --ok:#2f7d5b;
  --radius:16px;
  --radius-sm:10px;
  --shadow:0 8px 30px rgba(20,30,45,.08);
  --shadow-lg:0 18px 50px rgba(20,30,45,.14);
  --maxw:1180px;
  --font:"Manrope",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;font-family:var(--font);color:var(--text);
  background:var(--surface);line-height:1.65;font-size:17px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--accent-dark);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,h4{color:var(--ink);line-height:1.2;font-weight:800;letter-spacing:-.01em}
h1{font-size:clamp(2rem,5vw,3.1rem);margin:.2em 0 .35em}
h2{font-size:clamp(1.5rem,3.3vw,2.15rem);margin:1.6em 0 .6em}
h3{font-size:clamp(1.15rem,2vw,1.4rem);margin:1.4em 0 .4em;font-weight:700}
p{margin:0 0 1.1em}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 20px}
.ico{width:18px;height:18px;display:inline-block;vertical-align:-3px;margin-right:7px}
.skip-link{position:absolute;left:-999px;top:0;background:var(--ink);color:#fff;padding:10px 16px;z-index:200}
.skip-link:focus{left:8px;top:8px}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:8px;justify-content:center;
  font-weight:700;font-size:1rem;padding:14px 26px;border-radius:999px;
  border:2px solid transparent;cursor:pointer;transition:.18s ease;
  text-decoration:none;line-height:1;
}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn--accent{background:var(--accent);color:#fff;box-shadow:0 6px 18px rgba(207,106,51,.32)}
.btn--accent:hover{background:var(--accent-dark);color:#fff}
.btn--ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.55)}
.btn--ghost:hover{background:rgba(255,255,255,.12);color:#fff}
.btn--dark{background:var(--ink);color:#fff}
.btn--dark:hover{background:var(--ink-2);color:#fff}
.btn--lg{padding:17px 34px;font-size:1.08rem}

/* ---------- Topbar ---------- */
.topbar{background:var(--ink);color:#cdd8de;font-size:.86rem}
.topbar__inner{display:flex;align-items:center;gap:22px;min-height:40px;flex-wrap:wrap}
.topbar__item{color:#cdd8de;display:inline-flex;align-items:center}
.topbar__item:hover{color:#fff;text-decoration:none}
.topbar__spacer{flex:1}
.topbar__phone{font-weight:700;color:#fff}
@media(max-width:720px){.topbar__inner{justify-content:center;gap:14px}.topbar__spacer{display:none}.topbar__item svg{margin-right:5px}}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.96);backdrop-filter:saturate(1.4) blur(8px);border-bottom:1px solid var(--line)}
.site-header__inner{display:flex;align-items:center;gap:20px;min-height:72px}
.brand{display:flex;align-items:center}
.brand img{width:auto;height:38px}
.mainnav{margin-left:auto}
.mainnav ul{display:flex;gap:6px;list-style:none;margin:0;padding:0}
.mainnav a{color:var(--ink);font-weight:600;font-size:.98rem;padding:9px 13px;border-radius:8px;transition:.15s}
.mainnav a:hover{background:var(--sand);text-decoration:none}
.mainnav a.active{color:var(--accent-dark);background:var(--accent-soft)}
.header-cta{padding:11px 20px;font-size:.95rem}
.navtoggle{display:none;flex-direction:column;gap:5px;width:44px;height:44px;border:1px solid var(--line);border-radius:10px;background:#fff;cursor:pointer;padding:0;align-items:center;justify-content:center;margin-left:auto}
.navtoggle span{width:22px;height:2px;background:var(--ink);border-radius:2px;transition:.2s}
.navtoggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.navtoggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.navtoggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.mobilenav{border-top:1px solid var(--line);background:#fff}
.mobilenav ul{list-style:none;margin:0;padding:10px 20px 20px}
.mobilenav a{display:block;padding:13px 6px;color:var(--ink);font-weight:600;border-bottom:1px solid var(--sand-2)}
.mobilenav a:hover{text-decoration:none;color:var(--accent-dark)}
.mobilenav__cta{margin-top:12px;background:var(--accent);color:#fff!important;border-radius:10px;text-align:center;border-bottom:0!important}
.mobilenav__call{background:var(--sand);border-radius:10px;text-align:center;margin-top:8px;border-bottom:0!important}
@media(max-width:940px){
  .mainnav,.header-cta{display:none}
  .navtoggle{display:flex}
}

/* ---------- Breadcrumb ---------- */
.breadcrumb{font-size:.86rem;padding:14px 0 0}
.breadcrumb ul{list-style:none;display:flex;flex-wrap:wrap;gap:6px;margin:0;padding:0;color:var(--muted)}
.breadcrumb li+li::before{content:"›";margin-right:6px;color:var(--muted)}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--accent-dark)}

/* ---------- Hero ---------- */
.hero{position:relative;background:linear-gradient(160deg,#17242b 0%,#22404c 60%,#2b4a54 100%);color:#fff;overflow:hidden}
.hero::after{content:"";position:absolute;inset:0;background-image:
  linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),
  linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:54px 54px;mask-image:radial-gradient(circle at 78% 18%,#000,transparent 62%);opacity:.5}
.hero__inner{position:relative;z-index:2;padding:70px 0 78px;max-width:760px}
.hero .eyebrow{color:#f0b48c}
.hero h1{color:#fff;margin-top:.1em}
.hero__lead{font-size:1.2rem;color:#d7e2e8;max-width:620px;margin-bottom:1.6em}
.hero__cta{display:flex;gap:14px;flex-wrap:wrap}
.hero__trust{display:flex;gap:26px;flex-wrap:wrap;margin-top:34px;padding-top:26px;border-top:1px solid rgba(255,255,255,.16)}
.hero__trust div{max-width:200px}
.hero__trust b{display:block;font-size:1.5rem;color:#fff}
.hero__trust span{font-size:.9rem;color:#b8c7cf}
.eyebrow{display:inline-block;text-transform:uppercase;letter-spacing:.14em;font-size:.8rem;font-weight:700;color:var(--accent-dark);margin-bottom:8px}

/* ---------- Sections ---------- */
.section{padding:64px 0}
.section--sand{background:var(--sand)}
.section--tight{padding:44px 0}
.section__head{max-width:720px;margin-bottom:8px}
.section__head.center{margin-left:auto;margin-right:auto;text-align:center}
.lead{font-size:1.15rem;color:var(--muted)}
.prose{max-width:760px}
.prose h2:first-child{margin-top:0}
.prose ul,.prose ol{margin:0 0 1.2em;padding-left:1.3em}
.prose li{margin-bottom:.5em}
.prose table{width:100%;border-collapse:collapse;margin:1.4em 0;font-size:.97rem;box-shadow:var(--shadow);border-radius:12px;overflow:hidden}
.prose th,.prose td{text-align:left;padding:12px 16px;border-bottom:1px solid var(--line)}
.prose thead th{background:var(--ink);color:#fff;font-weight:700}
.prose tbody tr:nth-child(even){background:var(--sand)}
.prose blockquote{border-left:4px solid var(--accent);background:var(--sand);margin:1.4em 0;padding:14px 20px;border-radius:0 12px 12px 0;color:var(--ink-2)}

/* ---------- Cards grid ---------- */
.grid{display:grid;gap:22px}
.grid--2{grid-template-columns:repeat(2,1fr)}
.grid--3{grid-template-columns:repeat(3,1fr)}
.grid--4{grid-template-columns:repeat(4,1fr)}
@media(max-width:900px){.grid--3,.grid--4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:620px){.grid--2,.grid--3,.grid--4{grid-template-columns:1fr}}

.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:26px;transition:.18s;height:100%}
.card:hover{box-shadow:var(--shadow-lg);transform:translateY(-3px);border-color:#dccbb8}
.card__ico{width:52px;height:52px;border-radius:12px;background:var(--accent-soft);color:var(--accent-dark);display:flex;align-items:center;justify-content:center;margin-bottom:16px}
.card__ico svg{width:26px;height:26px;margin:0}
.card h3{margin:.2em 0 .4em}
.card p{color:var(--muted);margin-bottom:.8em}
.card__link{font-weight:700;color:var(--accent-dark);display:inline-flex;align-items:center;gap:5px}
.card__link svg{width:16px;height:16px;margin:0;transition:.15s}
.card__link:hover{text-decoration:none}
.card__link:hover svg{transform:translateX(3px)}

/* feature (why us) */
.feature{display:flex;gap:16px;align-items:flex-start}
.feature__ico{flex:0 0 46px;width:46px;height:46px;border-radius:12px;background:var(--ink);color:#fff;display:flex;align-items:center;justify-content:center}
.feature__ico svg{width:22px;height:22px;margin:0}
.feature h3{margin:0 0 .25em;font-size:1.15rem}
.feature p{color:var(--muted);margin:0}

/* steps */
.steps{counter-reset:step;display:grid;gap:18px}
.step{display:flex;gap:18px;align-items:flex-start;background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px 22px}
.step::before{counter-increment:step;content:counter(step);flex:0 0 42px;width:42px;height:42px;border-radius:50%;background:var(--accent);color:#fff;font-weight:800;display:flex;align-items:center;justify-content:center;font-size:1.1rem}
.step h3{margin:.1em 0 .3em;font-size:1.15rem}
.step p{margin:0;color:var(--muted)}

/* pills / area tags */
.pills{display:flex;flex-wrap:wrap;gap:10px;margin:8px 0 0;padding:0;list-style:none}
.pills li a,.pills li span{display:inline-block;background:#fff;border:1px solid var(--line);border-radius:999px;padding:8px 16px;font-size:.92rem;font-weight:600;color:var(--ink)}
.pills li a:hover{background:var(--accent-soft);border-color:var(--accent);color:var(--accent-dark);text-decoration:none}

/* ---------- CTA band ---------- */
.ctaband{background:var(--accent);color:#fff;border-radius:var(--radius);padding:40px;display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;box-shadow:var(--shadow-lg)}
.ctaband h2{color:#fff;margin:0 0 .2em}
.ctaband p{color:#ffe9dc;margin:0;max-width:520px}
.ctaband .btn--dark{white-space:nowrap}

/* ---------- FAQ ---------- */
.faq{max-width:820px;margin:0 auto}
.faq details{background:#fff;border:1px solid var(--line);border-radius:12px;margin-bottom:12px;overflow:hidden}
.faq summary{cursor:pointer;padding:18px 22px;font-weight:700;color:var(--ink);list-style:none;display:flex;justify-content:space-between;gap:16px;align-items:center}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:1.5rem;color:var(--accent);font-weight:400;line-height:1}
.faq details[open] summary::after{content:"–"}
.faq details[open] summary{color:var(--accent-dark)}
.faq__body{padding:0 22px 20px;color:var(--muted)}
.faq__body p{margin:0}

/* ---------- Contact ---------- */
.napcard{background:var(--ink);color:#fff;border-radius:var(--radius);padding:32px;box-shadow:var(--shadow-lg)}
.napcard h3{color:#fff;margin-top:0}
.napcard a{color:#fff}
.napcard .bigphone{font-size:1.8rem;font-weight:800;display:inline-flex;align-items:center;gap:10px;margin:6px 0 14px}
.napcard .bigphone svg{width:26px;height:26px;margin:0;color:var(--accent)}
.napcard .napcard__row{display:flex;gap:10px;align-items:flex-start;margin-bottom:12px;color:#d7e2e8}
.napcard .napcard__row svg{flex:0 0 20px;width:20px;height:20px;margin:2px 0 0;color:var(--accent)}
.form{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow)}
.form label{display:block;font-weight:600;margin:0 0 6px;color:var(--ink);font-size:.95rem}
.field{margin-bottom:16px}
.form input,.form textarea{width:100%;padding:13px 15px;border:1px solid var(--line);border-radius:10px;font-family:inherit;font-size:1rem;background:var(--sand);color:var(--text)}
.form input:focus,.form textarea:focus{outline:none;border-color:var(--accent);background:#fff;box-shadow:0 0 0 3px rgba(207,106,51,.15)}
.form textarea{min-height:120px;resize:vertical}
.form small{color:var(--muted);font-size:.82rem}
.mapwrap{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);border:1px solid var(--line);aspect-ratio:16/9;background:var(--sand-2)}
.mapwrap iframe{width:100%;height:100%;border:0;display:block}

/* callout / disclaimer */
.callout{background:var(--accent-soft);border:1px solid #ecc7a8;border-radius:12px;padding:16px 20px;color:#7a3f16;font-size:.95rem}

/* generic split layout */
.split{display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:start}
.split--even{grid-template-columns:1fr 1fr}
@media(max-width:860px){.split,.split--even{grid-template-columns:1fr;gap:26px}}

/* gallery */
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.gallery figure{margin:0;aspect-ratio:4/3;border-radius:12px;overflow:hidden;background:var(--sand-2);box-shadow:var(--shadow);border:1px solid var(--line)}
.gallery figure a{display:block;width:100%;height:100%}
.gallery figure img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .45s ease}
.gallery figure:hover img{transform:scale(1.05)}
@media(max-width:620px){.gallery{grid-template-columns:repeat(2,1fr)}}

/* featured image (service pages) */
.feature-img{margin:26px 0 0;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-lg);border:1px solid var(--line);aspect-ratio:16/10}
.feature-img img{width:100%;height:100%;object-fit:cover;display:block}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink);color:#b9c6cd;margin-top:0}
.site-footer__grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:36px;padding:56px 20px 40px}
.site-footer h3{color:#fff;font-size:1.02rem;margin:0 0 14px}
.site-footer ul{list-style:none;margin:0;padding:0}
.site-footer li{margin-bottom:9px}
.site-footer a{color:#b9c6cd}
.site-footer a:hover{color:#fff}
.site-footer__brand img{height:44px;margin-bottom:14px;filter:brightness(0) invert(1);opacity:.95}
.site-footer__brand p{color:#93a4ac;margin-bottom:18px}
.site-footer .nap{color:#d7e2e8;line-height:1.7}
.footer-phone{font-size:1.25rem;font-weight:800;color:#fff!important}
.footer-hours{color:#93a4ac;font-size:.9rem}
.site-footer__bottom{border-top:1px solid rgba(255,255,255,.1)}
.site-footer__bottom-inner{display:flex;justify-content:space-between;align-items:center;gap:10px 20px;padding:18px 20px;font-size:.86rem;color:#8598a0;flex-wrap:wrap}
.site-footer__bottom a{color:#8598a0}
.site-footer__credit{flex:1 1 100%;order:3;text-align:center;color:#7f9099;border-top:1px solid rgba(255,255,255,.07);padding-top:12px;margin-top:2px}
.site-footer__credit a{color:#c9a689;font-weight:600}
.site-footer__credit a:hover{color:#e0bfa0}
@media(min-width:861px){.site-footer__credit{flex:0 1 auto;order:2;border-top:0;padding-top:0;margin-top:0}}
@media(max-width:860px){.site-footer__grid{grid-template-columns:1fr 1fr;gap:28px}}
@media(max-width:520px){.site-footer__grid{grid-template-columns:1fr}}

/* ---------- Sticky mobile call ---------- */
.sticky-call{display:none;position:fixed;left:16px;right:16px;bottom:16px;z-index:120;background:var(--accent);color:#fff;border-radius:999px;padding:15px;text-align:center;font-weight:800;box-shadow:0 10px 30px rgba(207,106,51,.5);justify-content:center;align-items:center}
.sticky-call svg{margin-right:8px}
.sticky-call:hover{text-decoration:none;color:#fff;background:var(--accent-dark)}
@media(max-width:940px){.sticky-call{display:flex}main{padding-bottom:20px}body{padding-bottom:84px}}

/* utilities */
.center{text-align:center}
.mt0{margin-top:0}.mb0{margin-bottom:0}
.text-muted{color:var(--muted)}
.stack-lg>*+*{margin-top:26px}