/* Oční optika Stříbro — návrh webu. V+M Partners s.r.o. */

:root{
  --paper:#f7f8f8;
  --card:#ffffff;
  --sunk:#eef2f2;
  --ink:#11282b;
  --ink-2:#40595d;
  --ink-3:#6f888d;
  --line:#dde3e3;
  --line-2:#c4d0d0;
  --teal:#0d6e75;
  --teal-dark:#08474c;
  --teal-pale:#e4f0f0;
  --amber:#b85c17;
  --amber-dark:#95470f;
  --amber-pale:#fbf0e4;

  --f-d:"Source Serif 4",Georgia,"Times New Roman",serif;
  --f-b:"Lexend","Segoe UI",system-ui,-apple-system,sans-serif;
  --f-m:"IBM Plex Mono",ui-monospace,Consolas,monospace;

  --wrap:1180px;
  --pad:24px;
  --r:4px;
}

*,*::before,*::after{box-sizing:border-box}

html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{animation:none!important;transition:none!important}
}

body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--f-b);
  font-size:18px;
  font-weight:300;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

img{max-width:100%;height:auto;display:block}

a{color:var(--teal-dark);text-underline-offset:3px;text-decoration-thickness:1px}
a:hover{color:var(--amber-dark)}

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

.wrap{max-width:var(--wrap);margin:0 auto;padding:0 var(--pad)}
.narrow{max-width:760px}

.skip{position:absolute;left:-9999px;top:0;background:var(--ink);color:#fff;padding:12px 18px;z-index:100}
.skip:focus{left:0}

/* ---------- nahledovy pruh ---------- */
.demo-bar{
  background:var(--ink);color:#cfe0e1;
  font-family:var(--f-m);font-size:12.5px;line-height:1.5;
  padding:9px 0;text-align:center;
}
.demo-bar b{color:#fff;font-weight:500}

/* ---------- horni lista ---------- */
.utility{
  background:var(--teal-dark);color:#d8ecec;
  font-size:15px;
}
.utility .wrap{display:flex;flex-wrap:wrap;gap:6px 26px;align-items:center;justify-content:flex-end;min-height:44px}
.utility a{color:#fff;text-decoration:none;font-weight:400}
.utility a:hover{text-decoration:underline;color:#fff}
.utility .u-note{margin-right:auto;color:#a8ccce;font-size:14.5px}

/* ---------- hlavicka ---------- */
.site-head{background:var(--card);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50}
.site-head .wrap{display:flex;align-items:center;gap:20px;min-height:82px}

.brand{display:flex;align-items:center;gap:13px;text-decoration:none;color:var(--ink);flex:0 0 auto}
.brand svg{flex:0 0 auto}
.brand .bn{font-family:var(--f-d);font-weight:700;font-size:21px;line-height:1.1;letter-spacing:-.01em}
.brand .bs{display:block;font-family:var(--f-b);font-weight:300;font-size:12.5px;letter-spacing:.09em;text-transform:uppercase;color:var(--ink-3);margin-top:3px}

.nav{margin-left:auto;display:flex;align-items:center;gap:4px}
.nav a{
  font-size:16px;font-weight:400;color:var(--ink-2);text-decoration:none;
  padding:9px 13px;border-radius:var(--r);white-space:nowrap;
}
.nav a:hover{background:var(--sunk);color:var(--ink)}
.nav a[aria-current="page"]{color:var(--teal-dark);font-weight:500;box-shadow:inset 0 -2px 0 var(--teal)}

.nav-cta{
  margin-left:10px;background:var(--amber);color:#fff!important;font-weight:500!important;
  padding:11px 20px!important;border-radius:var(--r);
}
.nav-cta:hover{background:var(--amber-dark)!important}

.burger{margin-left:auto;display:none;background:none;border:1px solid var(--line-2);border-radius:var(--r);padding:10px 14px;font:inherit;font-size:15px;color:var(--ink);cursor:pointer;align-items:center;gap:8px}

/* ---------- hero ---------- */
.hero{position:relative;background:var(--ink)}
.hero-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.42}
.hero-inner{position:relative;padding-top:86px;padding-bottom:96px}
.hero h1{
  font-family:var(--f-d);font-weight:700;color:#fff;
  font-size:clamp(34px,5.2vw,58px);line-height:1.1;letter-spacing:-.02em;
  margin:0 0 20px;max-width:15ch;text-wrap:balance;
}
.hero h1 span{color:#8fd4d6;display:block;font-size:.52em;font-family:var(--f-b);font-weight:300;letter-spacing:.02em;margin-bottom:14px;text-transform:none}
.hero p.lede{color:#dceaea;font-size:20px;max-width:46ch;margin:0 0 32px;font-weight:300}
.hero-btns{display:flex;flex-wrap:wrap;gap:14px}

.btn{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--f-b);font-size:17px;font-weight:500;
  padding:15px 26px;border-radius:var(--r);text-decoration:none;border:2px solid transparent;
  cursor:pointer;
}
.btn-primary{background:var(--amber);color:#fff}
.btn-primary:hover{background:var(--amber-dark);color:#fff}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.5)}
.btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff}
.btn-solid{background:var(--teal);color:#fff}
.btn-solid:hover{background:var(--teal-dark);color:#fff}
.btn-line{background:var(--card);color:var(--teal-dark);border-color:var(--line-2)}
.btn-line:hover{border-color:var(--teal);color:var(--teal-dark)}

/* ---------- pas s otevirackou ---------- */
.hours-strip{background:var(--card);border-bottom:1px solid var(--line)}
.hours-strip .wrap{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:0}
.hs-item{padding:26px 30px 26px 0;border-right:1px solid var(--line)}
.hs-item:last-child{border-right:none;padding-right:0}
.hs-item .k{font-family:var(--f-m);font-size:11.5px;letter-spacing:.13em;text-transform:uppercase;color:var(--ink-3);margin-bottom:9px}
.hs-item .v{font-size:17px;font-weight:400;line-height:1.55}
.hs-item .v strong{font-weight:500}
.hs-item .v a{font-weight:500;text-decoration:none}
.hs-item .v a:hover{text-decoration:underline}
.hs-item .sub{font-size:14.5px;color:var(--ink-3);margin-top:5px}

/* ---------- sekce ---------- */
section{padding:76px 0}
section.tight{padding:56px 0}
.band-sunk{background:var(--sunk)}
.band-card{background:var(--card);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}

.eyebrow{
  font-family:var(--f-m);font-size:12px;letter-spacing:.15em;text-transform:uppercase;
  color:var(--teal);margin:0 0 14px;font-weight:500;
}

h2{
  font-family:var(--f-d);font-weight:700;
  font-size:clamp(28px,3.8vw,40px);line-height:1.18;letter-spacing:-.015em;
  margin:0 0 18px;max-width:24ch;text-wrap:balance;
}
h3{font-family:var(--f-d);font-weight:600;font-size:23px;line-height:1.25;margin:0 0 10px;letter-spacing:-.01em}
h4{font-family:var(--f-b);font-weight:500;font-size:17px;margin:0 0 8px}

p{margin:0 0 18px;max-width:66ch}
.lead{font-size:20px;color:var(--ink-2);max-width:60ch}
.section-intro{max-width:64ch;margin-bottom:44px}

ul.plain{list-style:none;margin:0 0 18px;padding:0}
ul.check{list-style:none;margin:0 0 22px;padding:0;display:flex;flex-direction:column;gap:12px}
ul.check li{padding-left:32px;position:relative;max-width:60ch}
ul.check li::before{
  content:"";position:absolute;left:0;top:.55em;width:16px;height:9px;
  border-left:2.5px solid var(--teal);border-bottom:2.5px solid var(--teal);
  transform:rotate(-45deg);
}

/* ---------- karty sluzeb ---------- */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(290px,1fr));gap:26px}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r);
  overflow:hidden;display:flex;flex-direction:column;
}
.card img{aspect-ratio:4/3;object-fit:cover;width:100%}
.card-body{padding:24px 24px 26px;display:flex;flex-direction:column;flex:1}
.card-body h3{font-size:21px;margin-bottom:8px}
.card-body p{font-size:16.5px;color:var(--ink-2);margin-bottom:16px;flex:1}
.card-body .more{font-size:16px;font-weight:500;text-decoration:none;color:var(--teal-dark);align-self:flex-start}
.card-body .more:hover{text-decoration:underline}
.card-body .more::after{content:" →"}

/* ---------- fakta ---------- */
.facts{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:30px}
.fact .n{font-family:var(--f-d);font-weight:700;font-size:42px;line-height:1;color:var(--teal);letter-spacing:-.02em;margin-bottom:10px}
.fact p{font-size:16.5px;color:var(--ink-2);margin:0;max-width:34ch}

/* ---------- feature pas ---------- */
.feature{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.feature.flip .f-media{order:2}
.f-media img{border-radius:var(--r);width:100%;aspect-ratio:4/3;object-fit:cover}
.f-body h2{margin-bottom:16px}
.f-body p{font-size:18px}

/* ---------- pobocky ---------- */
.branches{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:26px}
.branch{background:var(--card);border:1px solid var(--line);border-left:4px solid var(--teal);padding:30px 30px 32px;border-radius:var(--r)}
.branch.second{border-left-color:var(--amber)}
.branch h3{margin-bottom:14px}
.branch address{font-style:normal;font-size:17px;line-height:1.65;color:var(--ink-2);margin-bottom:20px}
.branch address strong{color:var(--ink);font-weight:500}

table.hours{width:100%;border-collapse:collapse;font-size:16.5px;margin-bottom:20px}
table.hours th,table.hours td{text-align:left;padding:8px 0;border-bottom:1px solid var(--line);font-weight:300}
table.hours th{font-weight:400;color:var(--ink-2);width:42%}
table.hours td{font-family:var(--f-m);font-size:15px;font-variant-numeric:tabular-nums}
table.hours tr.closed td{color:var(--ink-3)}
table.hours tr:last-child th,table.hours tr:last-child td{border-bottom:none}

.access-note{
  background:var(--teal-pale);border-radius:var(--r);padding:16px 18px;
  font-size:16px;color:var(--teal-dark);margin-bottom:22px;
}

/* ---------- duvera ---------- */
.trust{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:34px}
.trust-col .t-k{font-family:var(--f-m);font-size:11.5px;letter-spacing:.13em;text-transform:uppercase;color:var(--ink-3);margin-bottom:12px}
.trust-col p{font-size:17px;margin:0;color:var(--ink-2)}

/* ---------- clanky ---------- */
.posts{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.post{background:var(--card);padding:26px 26px 28px;text-decoration:none;color:var(--ink);display:flex;flex-direction:column;gap:8px}
.post:hover{background:var(--teal-pale);color:var(--ink)}
.post .p-k{font-family:var(--f-m);font-size:11.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--teal)}
.post h3{font-size:19px;margin:0}
.post p{font-size:16px;color:var(--ink-2);margin:0}

/* ---------- FAQ ---------- */
.faq{max-width:820px}
.faq details{border-bottom:1px solid var(--line);padding:4px 0}
.faq summary{
  cursor:pointer;list-style:none;padding:20px 40px 20px 0;position:relative;
  font-family:var(--f-d);font-weight:600;font-size:20px;line-height:1.35;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
  content:"";position:absolute;right:8px;top:31px;width:11px;height:11px;
  border-right:2px solid var(--teal);border-bottom:2px solid var(--teal);
  transform:rotate(45deg);transition:transform .18s ease;
}
.faq details[open] summary::after{transform:rotate(-135deg)}
.faq .a{padding:0 0 22px}
.faq .a p{font-size:17px;color:var(--ink-2);margin-bottom:12px}
.faq .a p:last-child{margin-bottom:0}

/* ---------- CTA pas ---------- */
.cta-band{background:var(--teal-dark);color:#fff;padding:64px 0}
.cta-band h2{color:#fff;margin-bottom:14px}
.cta-band p{color:#c7e2e3;font-size:19px;max-width:52ch;margin-bottom:28px}
.cta-band .hero-btns{margin-top:4px}

/* ---------- paticka ---------- */
.site-foot{background:var(--ink);color:#b9cdcf;padding:64px 0 34px;font-size:16px}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:44px;margin-bottom:44px}
.site-foot h4{color:#fff;font-size:14px;font-weight:500;letter-spacing:.1em;text-transform:uppercase;margin-bottom:16px;font-family:var(--f-m)}
.site-foot a{color:#dbebec;text-decoration:none}
.site-foot a:hover{color:#fff;text-decoration:underline}
.site-foot address{font-style:normal;line-height:1.75}
.site-foot ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}
.foot-bot{border-top:1px solid #2b4448;padding-top:26px;display:flex;flex-wrap:wrap;gap:12px 28px;font-size:14.5px;color:#8fa9ac}
.foot-bot .legal{margin-right:auto}

/* ---------- mobilni volaci lista ---------- */
.callbar{display:none}

/* ---------- drobeckova navigace ---------- */
.crumbs{font-size:15px;color:var(--ink-3);padding-top:20px}
.crumbs a{color:var(--ink-2);text-decoration:none}
.crumbs a:hover{text-decoration:underline}
.crumbs span{margin:0 8px;color:var(--line-2)}

/* ---------- hlavicka podstranky ---------- */
.page-head{padding:40px 0 56px;border-bottom:1px solid var(--line);background:var(--card)}
.page-head h1{
  font-family:var(--f-d);font-weight:700;font-size:clamp(32px,4.6vw,50px);
  line-height:1.12;letter-spacing:-.02em;margin:0 0 18px;max-width:20ch;text-wrap:balance;
}
.page-head .lead{margin-bottom:0}

/* ---------- prose ---------- */
.prose h2{margin-top:52px}
.prose h2:first-child{margin-top:0}
.prose h3{margin-top:34px;font-size:21px}
.prose figure{margin:36px 0}
.prose figure img{border-radius:var(--r);width:100%}
.prose figcaption{font-size:14.5px;color:var(--ink-3);margin-top:10px}
.prose table{width:100%;border-collapse:collapse;margin:26px 0;font-size:16.5px}
.prose th,.prose td{text-align:left;padding:12px 14px;border-bottom:1px solid var(--line)}
.prose th{background:var(--sunk);font-weight:500;font-size:15px}
.prose .callout{background:var(--amber-pale);border-left:4px solid var(--amber);padding:22px 24px;border-radius:var(--r);margin:30px 0}
.prose .callout p:last-child{margin-bottom:0}
.prose .callout h4{color:var(--amber-dark)}
.table-scroll{overflow-x:auto}

/* ---------- responsive ---------- */
@media (max-width:940px){
  .feature{grid-template-columns:1fr;gap:32px}
  .feature.flip .f-media{order:0}
  .foot-grid{grid-template-columns:1fr 1fr;gap:34px}
  .hs-item{border-right:none;border-bottom:1px solid var(--line);padding:20px 0}
  .hs-item:last-child{border-bottom:none}
}

@media (max-width:820px){
  body{font-size:17px}
  section{padding:56px 0}
  .nav{display:none;position:absolute;left:0;right:0;top:100%;background:var(--card);border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch;padding:12px var(--pad) 20px;gap:2px;box-shadow:0 14px 26px -18px rgba(0,0,0,.3)}
  .nav.open{display:flex}
  .nav a{padding:13px 10px;font-size:17px}
  .nav-cta{margin:8px 0 0;text-align:center;justify-content:center}
  .burger{display:inline-flex}
  .site-head .wrap{position:relative;min-height:70px}
  .utility .u-note{display:none}
  .hero-inner{padding-top:60px;padding-bottom:72px}
  .foot-grid{grid-template-columns:1fr;gap:30px}
  body{padding-bottom:66px}
  .callbar{
    display:flex;position:fixed;left:0;right:0;bottom:0;z-index:60;
    border-top:1px solid var(--teal-dark);
  }
  .callbar a{
    flex:1;text-align:center;padding:17px 8px;text-decoration:none;
    font-size:16.5px;font-weight:500;color:#fff;background:var(--teal);
  }
  .callbar a+a{background:var(--amber);border-left:1px solid rgba(0,0,0,.15)}
}

@media (max-width:520px){
  :root{--pad:18px}
  .hero p.lede{font-size:18px}
  .hero-btns .btn{width:100%;justify-content:center}
}

@media print{
  .utility,.nav,.burger,.callbar,.demo-bar,.cta-band{display:none}
  body{background:#fff;font-size:12pt}
}

/* ---------- doladeni hlavicky na malych displejich ---------- */
@media (max-width:820px){
  .brand{flex:1 1 auto;min-width:0;gap:10px}
  .brand svg{width:34px;height:34px}
  .brand .bn{font-size:18px}
  .brand .bs{font-size:11px;letter-spacing:.07em}
  .burger{flex:0 0 auto;padding:9px 12px}
  .demo-bar{font-size:11.5px;padding:8px 0}
}
@media (max-width:420px){
  .brand .bs{display:none}
  .brand .bn{font-size:17px}
}