/* stavba-pergol.cz - modrin, antracit, sklo, stin lamel */
:root{
  --antracit:#2B2E33;
  --inkoust:#1A1C1F;
  --med:#C89B5C;
  --med-tmavy:#A97E42;
  --terasa:#8A5A34;
  --sklo:#EEF2F3;
  --sklo-tmave:#DDE4E6;
  --papir:#FBFBF9;
  --text:#23262A;
  --text-tlum:#5A6068;
  --disp:'Syne',system-ui,sans-serif;
  --sans:'Public Sans',system-ui,sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}}
body{font-family:var(--sans);color:var(--text);background:var(--papir);line-height:1.6;font-size:17px}
img{max-width:100%;display:block;height:auto}
a{color:var(--terasa)}
.container{max-width:1160px;margin:0 auto;padding:0 22px}
h1,h2,h3{font-family:var(--disp);line-height:1.08;letter-spacing:-.01em;color:var(--inkoust)}
h1{font-size:clamp(2.3rem,5.6vw,4.4rem);font-weight:800}
h2{font-size:clamp(1.7rem,3.6vw,2.6rem);font-weight:700}
h3{font-size:1.2rem;font-weight:700}
p{max-width:68ch}
.uvod{color:var(--text-tlum);font-size:1.02rem;margin-bottom:.4rem}
.sekce{padding:80px 0}
.sekce h2{margin-bottom:1.4rem}
.sekce.tmava{background:var(--antracit);color:#E9E6E0}
.sekce.tmava h2,.sekce.tmava h3{color:#fff}
.sekce.tmava .uvod{color:#B9BDC3}
.sekce.sklo{background:var(--sklo)}
:focus-visible{outline:3px solid var(--med);outline-offset:3px}
.sr-only{position:absolute;left:-9999px}

/* header */
header{position:sticky;top:0;z-index:50;background:var(--antracit);color:#fff}
.nav{display:flex;align-items:center;gap:18px;padding:0 22px;max-width:1160px;margin:0 auto;min-height:66px}
.logo{font-family:var(--disp);font-weight:800;font-size:1.25rem;color:#fff;text-decoration:none;display:inline-flex;align-items:center;gap:10px;min-height:44px}
.logo i{display:inline-block;width:26px;height:18px;background:repeating-linear-gradient(115deg,var(--med) 0 4px,transparent 4px 8px);border-bottom:2px solid var(--med)}
.nav ul{display:flex;gap:4px;list-style:none;align-items:center;margin-left:auto}
.nav ul a{color:#E9E6E0;text-decoration:none;font-size:.94rem;padding:12px 11px;display:inline-block;min-height:44px;line-height:20px;border-bottom:2px solid transparent}
.nav ul a:hover,.nav ul a[aria-current]{border-bottom-color:var(--med);color:#fff}
.nav .tel{color:var(--med);text-decoration:none;font-weight:600;font-size:1rem;white-space:nowrap;padding:10px 12px;min-height:44px;display:inline-flex;align-items:center;border:1px solid rgba(200,155,92,.5);border-radius:3px}
.nav .tel:hover{background:rgba(200,155,92,.12)}
.burger{display:none;background:none;border:1px solid #5B6068;color:#fff;font-size:1.25rem;width:44px;height:44px;border-radius:3px;margin-left:auto;cursor:pointer}
@media(max-width:900px){
  .nav ul{display:none;position:absolute;top:100%;left:0;right:0;background:var(--inkoust);flex-direction:column;align-items:stretch;padding:12px 16px 20px;margin:0}
  .nav ul.open{display:flex}
  .nav ul a{padding:13px 8px;font-size:1.05rem}
  .burger{display:block}
  .nav .tel{order:2;margin-left:auto}
  .burger{margin-left:0}
}

/* hero - split, lamella shadow on photo */
.hero{background:var(--antracit);color:#E9E6E0;display:grid;grid-template-columns:minmax(0,11fr) minmax(0,10fr);min-height:74vh}
.hero-text{padding:clamp(48px,7vw,96px) clamp(22px,5vw,72px) 56px;display:flex;flex-direction:column;justify-content:center}
.hero-text h1{color:#fff;margin-bottom:1.1rem;font-size:clamp(2.2rem,4.3vw,3.7rem);max-width:15ch}
.hero-text .sub{font-size:1.12rem;color:#C9CCD1;max-width:34rem;margin-bottom:1.9rem}
.hero-akce{display:flex;gap:12px;flex-wrap:wrap}
.hero-fakta{display:flex;gap:26px;flex-wrap:wrap;margin-top:2.4rem;padding-top:1.4rem;border-top:1px solid #454951;font-size:.92rem;color:#B9BDC3}
.hero-fakta b{display:block;color:#fff;font-family:var(--disp);font-size:1.05rem;font-weight:700}
.hero-foto{position:relative;min-height:340px;overflow:hidden}
.hero-foto img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0}
.hero-foto::after{content:"";position:absolute;inset:0;
  background:repeating-linear-gradient(112deg,rgba(26,28,31,.42) 0 34px,rgba(26,28,31,0) 34px 92px);
  mix-blend-mode:multiply;pointer-events:none}
@media(max-width:900px){.hero{grid-template-columns:1fr;min-height:0}.hero-foto{min-height:260px;order:-1}.hero-text{padding-top:34px}}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;background:var(--med);color:var(--inkoust);text-decoration:none;padding:14px 26px;
  font-weight:600;font-size:1rem;border:2px solid var(--med);border-radius:3px;cursor:pointer;min-height:48px;font-family:var(--sans)}
.btn:hover{background:var(--med-tmavy);border-color:var(--med-tmavy)}
.btn.obrys{background:transparent;color:#fff;border-color:#7A7F87}
.btn.obrys:hover{border-color:#fff;background:rgba(255,255,255,.06)}
.sekce:not(.tmava) .btn.obrys{color:var(--inkoust);border-color:var(--antracit)}
.sekce:not(.tmava) .btn.obrys:hover{background:rgba(43,46,51,.06)}

/* material bands */
.pasy{display:grid;gap:0;border-top:1px solid var(--sklo-tmave)}
.pas{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:0;border-bottom:1px solid var(--sklo-tmave);align-items:stretch}
.pas:nth-child(even) .pas-foto{order:2}
.pas-foto{position:relative;min-height:260px}
.pas-foto img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0}
.pas-text{padding:clamp(28px,4vw,56px)}
.pas-text h3{font-size:1.55rem;margin-bottom:.7rem}
.pas-text p{margin-bottom:.9rem}
.pas-text .vhodne{font-size:.93rem;color:var(--text-tlum);border-left:3px solid var(--med);padding-left:12px;margin:1rem 0 1.3rem}
.pas-text a.dal{font-weight:600;color:var(--inkoust);text-decoration:underline;text-decoration-color:var(--med);text-decoration-thickness:2px;text-underline-offset:4px;display:inline-block;padding:8px 0;min-height:44px}
@media(max-width:820px){.pas{grid-template-columns:1fr}.pas:nth-child(even) .pas-foto{order:0}.pas-foto{min-height:220px}}

/* comparison table */
.tab-wrap{overflow-x:auto;margin-top:1.4rem}
table{width:100%;border-collapse:collapse;background:#fff;font-size:.95rem;min-width:640px}
th,td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--sklo-tmave);vertical-align:top}
th{font-family:var(--disp);font-weight:700;font-size:.92rem;background:var(--sklo)}
th:first-child,td:first-child{font-weight:600;white-space:nowrap}
.pozn{font-size:.88rem;color:var(--text-tlum);margin-top:.9rem}

/* SIGNATURE: lamella shade widget */
.lamely{background:var(--inkoust);border-radius:6px;padding:clamp(22px,3.5vw,40px);display:grid;grid-template-columns:minmax(0,340px) minmax(0,1fr);gap:36px;align-items:center;color:#E9E6E0}
.lamely h3{color:#fff;font-size:1.5rem;margin-bottom:.6rem}
.lamely p{color:#B9BDC3;font-size:.98rem}
.lamely label{display:block;margin:22px 0 8px;font-weight:600;color:#fff}
.lamely output{color:var(--med);font-family:var(--disp);margin-left:8px}
.lamely input[type=range]{width:100%;accent-color:var(--med);height:44px}
.lamely .stav{margin-top:14px;font-size:.95rem;color:#fff;min-height:3.2em}
.scena{position:relative;aspect-ratio:16/10;background:linear-gradient(180deg,#8FB6CF 0 38%,#D9CBB2 38% 100%);border-radius:4px;overflow:hidden}
.scena .zem{position:absolute;left:0;right:0;bottom:0;height:62%;background:linear-gradient(180deg,#B48A5A,#8A5A34)}
.scena .svetlo{position:absolute;left:8%;right:8%;bottom:6%;height:52%;background:rgba(255,236,190,.55);transition:opacity .2s}
.scena .stiny{position:absolute;left:8%;right:8%;bottom:6%;height:52%;
  background:repeating-linear-gradient(180deg,rgba(26,28,31,.5) 0 var(--sirka,14px),transparent var(--sirka,14px) 26px);transition:background .1s}
.scena .strecha{position:absolute;left:8%;right:8%;top:16%;height:24%;display:flex;flex-direction:column;justify-content:space-between;perspective:500px}
.scena .lamela{height:11%;background:linear-gradient(180deg,#4A4F57,#22252A);border-radius:2px;transform-origin:center;transform:rotateX(var(--uhel,0deg));transition:transform .15s;box-shadow:0 1px 0 rgba(255,255,255,.12) inset}
.scena .sloup{position:absolute;bottom:6%;width:2.2%;height:66%;background:#2B2E33}
.scena .sloup.l{left:7%}.scena .sloup.r{right:7%}
.scena .nosnik{position:absolute;left:7%;right:7%;top:12%;height:3%;background:#2B2E33}
@media(max-width:820px){.lamely{grid-template-columns:1fr}}

/* process */
.proces{counter-reset:krok;display:grid;grid-template-columns:repeat(5,1fr);gap:22px}
@media(max-width:1000px){.proces{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.proces{grid-template-columns:1fr}}
.krok{border-top:3px solid var(--med);padding-top:14px}
.krok::before{counter-increment:krok;content:counter(krok);font-family:var(--disp);font-weight:800;font-size:1.6rem;color:var(--med);display:block;line-height:1}
.krok h3{font-size:1.05rem;margin:.5rem 0 .4rem}
.krok p{font-size:.93rem;color:var(--text-tlum)}
.sekce.tmava .krok p{color:#B9BDC3}

/* permit box */
.povoleni{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:40px;align-items:start}
@media(max-width:820px){.povoleni{grid-template-columns:1fr}}
.box{background:#fff;border:1px solid var(--sklo-tmave);border-left:5px solid var(--med);padding:24px 26px;border-radius:3px}
.box h3{margin-bottom:.6rem}
.box ul{margin:.4rem 0 .6rem 1.2rem}
.box li{margin-bottom:.35rem}

/* FAQ */
.faq details{background:#fff;border:1px solid var(--sklo-tmave);margin-bottom:10px;border-radius:3px}
.faq summary{cursor:pointer;padding:16px 20px;font-weight:600;list-style:none;display:flex;justify-content:space-between;gap:12px;min-height:44px;align-items:center}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-family:var(--disp);color:var(--med);font-size:1.4rem;line-height:1;flex:none}
.faq details[open] summary::after{content:"-"}
.faq details p{padding:0 20px 18px;color:var(--text-tlum)}

/* form */
.poptavka-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.3fr);gap:44px;align-items:start}
@media(max-width:900px){.poptavka-grid{grid-template-columns:1fr}}
.poptavka-info p{color:#C9CCD1;margin-bottom:1rem}
.poptavka-info a{color:var(--med)}
.poptavka-info .kontakt{margin-top:1.6rem;font-size:1.05rem}
.poptavka-info .kontakt a{display:inline-block;padding:6px 0;min-height:44px;line-height:32px}
.form-box{background:var(--papir);color:var(--text);padding:28px;border-radius:4px}
.form-box .radek{display:grid;grid-template-columns:1fr 1fr;gap:14px}
@media(max-width:600px){.form-box .radek{grid-template-columns:1fr}}
.form-box label.pole{display:block;font-size:.88rem;font-weight:600;margin-bottom:5px;color:var(--text)}
.form-box input,.form-box select,.form-box textarea{width:100%;padding:13px 14px;margin-bottom:14px;border:1px solid #B9BDC3;border-radius:3px;
  font-family:var(--sans);font-size:1rem;background:#fff;color:var(--text);min-height:46px}
.form-box textarea{min-height:120px;resize:vertical}
.form-box label.chk{display:flex;gap:10px;font-size:.88rem;color:var(--text-tlum);margin-bottom:16px;align-items:flex-start;line-height:1.45}
.form-box label.chk input{width:22px;height:22px;min-height:0;margin:2px 0 0;flex:none}
.form-box .btn{width:100%}
.form-success{background:var(--med);color:var(--inkoust);padding:22px 26px;font-weight:600;border-radius:4px}
.form-error{display:none;background:#fff;color:#7A2E1E;border:1px solid #C87B62;padding:14px 16px;margin-top:12px;border-radius:3px;font-size:.95rem}
.form-error a{color:#7A2E1E}
.hp{position:absolute;left:-9999px;opacity:0;height:0;overflow:hidden}

/* article pages */
.clanek-hlava{padding:56px 0 34px;background:var(--sklo)}
.clanek-hlava h1{font-size:clamp(2rem,4.6vw,3.4rem);margin:.5rem 0 .9rem}
.clanek-hlava .uvod{font-size:1.1rem;max-width:62ch}
.breadcrumb{font-size:.88rem;color:var(--text-tlum)}
.breadcrumb a{color:var(--text-tlum);display:inline-block;padding:8px 0}
.clanek-grid{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:56px;align-items:start}
@media(max-width:900px){.clanek-grid{grid-template-columns:1fr}}
.clanek h2{font-size:1.55rem;margin:2.2rem 0 .8rem}
.clanek h3{font-size:1.15rem;margin:1.4rem 0 .5rem}
.clanek p{margin-bottom:1rem}
.clanek ul,.clanek ol{margin:0 0 1rem 1.3rem;max-width:66ch}
.clanek li{margin-bottom:.45rem}
.clanek figure{margin:1.6rem 0}
.clanek figure img{border-radius:4px;aspect-ratio:3/2;object-fit:cover;width:100%}
.clanek figcaption{font-size:.85rem;color:var(--text-tlum);margin-top:.5rem}
.bocni{position:sticky;top:86px}
.bocni .box{margin-bottom:18px}
.bocni .box p{font-size:.95rem;margin-bottom:.8rem}
.bocni ul{list-style:none;margin:0}
.bocni li a{display:block;padding:10px 0;border-bottom:1px solid var(--sklo-tmave);color:var(--inkoust);text-decoration:none;min-height:44px}
.bocni li a:hover,.bocni li a[aria-current]{color:var(--terasa)}
.bocni .btn{width:100%}

/* generic grid */
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.grid2{display:grid;grid-template-columns:repeat(2,1fr);gap:26px}
@media(max-width:820px){.grid3,.grid2{grid-template-columns:1fr}}

/* footer */
footer{background:var(--inkoust);color:#B9BDC3;padding:52px 0 30px;font-size:.93rem}
footer h3{color:#fff;font-size:1rem;margin-bottom:.8rem}
footer a{color:#D9DBDE;text-decoration:none;display:inline-block;padding:5px 0;min-height:32px}
footer a:hover{color:var(--med)}
footer p{max-width:none}
footer .grid3{gap:36px}
footer .pata{margin-top:36px;padding-top:18px;border-top:1px solid #3A3D42;font-size:.82rem;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}

/* 404 */
.chyba{min-height:60vh;display:flex;align-items:center}
.chyba h1{font-size:clamp(2rem,5vw,3.6rem)}