/* BIBA Dekorativní fasády – styly */
@font-face{font-family:"Instrument Serif";src:url(../fonts/instrument-serif-latin-ext-400-normal.woff2) format("woff2");font-weight:400;font-display:swap;unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:"Instrument Serif";src:url(../fonts/instrument-serif-latin-400-normal.woff2) format("woff2");font-weight:400;font-display:swap;unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"Instrument Sans";src:url(../fonts/instrument-sans-latin-ext-wght-normal.woff2) format("woff2");font-weight:400 700;font-display:swap;unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:"Instrument Sans";src:url(../fonts/instrument-sans-latin-wght-normal.woff2) format("woff2");font-weight:400 700;font-display:swap;unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}

:root{
  --paper:#f7f3ed;
  --white:#fffdfb;
  --stone-1:#ece4da;
  --stone-2:#dbcfc1;
  --stone-4:#b8a896;
  --bronze:#6f5e4e;
  --copper:#766553;
  --nude:#dfd3c5;
  --copper-light:#e6d9ca;
  --deep:#40372f;
  --deep-2:#4f453c;
  --ink:#332b25;
  --muted:#5a5046;
  --line:rgba(51,43,37,.15);
  --pattern:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='400' height='240' fill='none' stroke='%23806f5e' stroke-opacity='.2'%3E%3Crect x='2' y='2' width='110' height='56' rx='12'/%3E%3Crect x='116' y='2' width='150' height='56' rx='12'/%3E%3Crect x='270' y='2' width='128' height='56' rx='12'/%3E%3Crect x='2' y='62' width='70' height='56' rx='12'/%3E%3Crect x='76' y='62' width='130' height='56' rx='12'/%3E%3Crect x='210' y='62' width='90' height='56' rx='12'/%3E%3Crect x='304' y='62' width='94' height='56' rx='12'/%3E%3Crect x='2' y='122' width='150' height='56' rx='12'/%3E%3Crect x='156' y='122' width='100' height='56' rx='12'/%3E%3Crect x='260' y='122' width='138' height='56' rx='12'/%3E%3Crect x='2' y='182' width='96' height='56' rx='12'/%3E%3Crect x='102' y='182' width='150' height='56' rx='12'/%3E%3Crect x='256' y='182' width='70' height='56' rx='12'/%3E%3Crect x='330' y='182' width='68' height='56' rx='12'/%3E%3C/svg%3E");
  --serif:"Instrument Serif",Georgia,"Times New Roman",serif;
  --sans:"Instrument Sans",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --ease:cubic-bezier(.22,.8,.24,1);
  --pad:clamp(20px,4.4vw,64px);
  --r:12px;
  --header:84px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:96px}
body{margin:0;background:var(--paper);color:var(--ink);font:400 clamp(16px,.35vw + 15px,18px)/1.65 var(--sans);-webkit-font-smoothing:antialiased;overflow-x:clip}
img{display:block;max-width:100%;height:auto}
a{color:inherit}
h1,h2,h3{font-family:var(--serif);font-weight:400;margin:0;line-height:1.06;letter-spacing:-.012em;text-wrap:balance}
h1{font-size:clamp(2.9rem,6.6vw,6.2rem)}
h2{font-size:clamp(2.2rem,4.2vw,3.8rem)}
h3{font-size:clamp(1.55rem,2vw,2rem);line-height:1.15}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--bronze);outline-offset:3px;border-radius:3px}
::selection{background:var(--stone-4);color:#fff}
.wrap{width:100%;max-width:1440px;margin-inline:auto;padding-inline:var(--pad)}
.skip{position:fixed;left:12px;top:-60px;z-index:100;background:var(--ink);color:#fff;padding:10px 16px;border-radius:6px;transition:top .2s}
.skip:focus{top:12px}
.eyebrow{display:block;font-size:.8rem;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--bronze);margin-bottom:1.1em}
.lede{font-size:clamp(1.06rem,1.05vw,1.25rem);line-height:1.6;color:var(--muted)}
.section{padding-block:clamp(72px,10vw,150px)}
.section--tint{background:var(--stone-1)}
.section__head{display:grid;grid-template-columns:repeat(12,1fr);gap:16px 24px;margin-bottom:clamp(36px,5vw,72px);align-items:end}
.section__head>div:first-child{grid-column:1/8}
.section__head>p{grid-column:8/13}

/* tlačítka a odkazy */
.btn{position:relative;display:inline-flex;align-items:center;justify-content:center;gap:.7em;min-height:52px;padding:.8em 1.7em;border:1px solid var(--ink);border-radius:999px;background:var(--ink);color:#fff;font:600 .95rem/1.2 var(--sans);text-decoration:none;cursor:pointer;overflow:hidden;isolation:isolate;transition:color .4s var(--ease),border-color .4s var(--ease)}
.btn::before{content:"";position:absolute;inset:0;z-index:-1;background:var(--bronze);transform:translateY(101%);transition:transform .5s var(--ease)}
.btn svg{width:17px;height:17px;transition:transform .45s var(--ease)}
.btn--ghost{background:transparent;color:var(--ink)}
.btn--ghost::before{background:var(--ink)}
@media (hover:hover){
  .btn:hover{border-color:var(--bronze)}
  .btn:hover::before{transform:none}
  .btn:hover svg{transform:translateX(4px)}
  .btn--ghost:hover{color:#fff;border-color:var(--ink)}
}
.btns{display:flex;flex-wrap:wrap;gap:12px}
.link{display:inline-flex;align-items:center;gap:.5em;font-weight:600;text-decoration:none;background:linear-gradient(currentColor,currentColor) 0 100%/100% 1px no-repeat;padding-bottom:3px;transition:background-size .5s var(--ease)}
.link svg{width:16px;height:16px;transition:transform .45s var(--ease)}
@media (hover:hover){.link:hover{background-size:0 1px;background-position:100% 100%}.link:hover svg{transform:translateX(4px)}}

/* hlavička */
.header{position:sticky;top:0;z-index:50;view-transition-name:hdr;transition:background-color .4s,box-shadow .4s,margin-bottom .4s var(--ease)}
.header.is-stuck{margin-bottom:16px}
.header.is-stuck{background:rgba(247,245,240,.86);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);box-shadow:0 1px 0 var(--line)}
.header__in{display:flex;align-items:center;gap:24px;height:var(--header);transition:height .4s var(--ease)}
.is-stuck .header__in{height:68px}
.logo{display:block;flex:none;margin-right:auto}
.logo img{width:136px;height:auto;transition:width .4s var(--ease)}
.is-stuck .logo img{width:118px}
.nav ul{display:flex;gap:clamp(16px,2vw,32px)}
.nav a{position:relative;display:block;padding:8px 0;font-size:.95rem;font-weight:500;text-decoration:none}
.nav a::after{content:"";position:absolute;left:0;right:0;bottom:3px;height:1px;background:currentColor;transform:scaleX(0);transform-origin:right;transition:transform .5s var(--ease)}
.nav a[aria-current=page]::after{transform:scaleX(1)}
@media (hover:hover){.nav a:hover::after{transform:scaleX(1);transform-origin:left}}
.header__tel{font-size:.95rem;font-weight:600;text-decoration:none;white-space:nowrap}
.header .btn{min-height:44px;padding:.6em 1.3em;font-size:.9rem}
.burger{display:none;position:relative;width:46px;height:46px;margin-right:-8px;border:0;background:none;color:var(--ink);cursor:pointer}
.burger span{position:absolute;left:10px;right:10px;height:1.5px;background:currentColor;transition:transform .45s var(--ease),top .45s var(--ease)}
.burger span:nth-child(1){top:18px}
.burger span:nth-child(2){top:27px}
.burger[aria-expanded=true] span:nth-child(1){top:22px;transform:rotate(45deg)}
.burger[aria-expanded=true] span:nth-child(2){top:22px;transform:rotate(-45deg)}

/* mobilní menu */
.mnav{position:fixed;inset:0;z-index:40;display:flex;flex-direction:column;justify-content:space-between;gap:24px;padding:calc(var(--header) + 16px) var(--pad) max(28px,env(safe-area-inset-bottom));background:var(--paper);overflow-y:auto;visibility:hidden;clip-path:inset(0 0 100% 0);transition:clip-path .6s var(--ease),visibility 0s .6s}
.mnav.is-open{visibility:visible;clip-path:inset(0);transition:clip-path .6s var(--ease)}
.mnav li{overflow:hidden}
.mnav li a{display:block;padding:6px 0;font:400 clamp(2.2rem,10vw,3rem)/1.15 var(--serif);text-decoration:none;transform:translateY(105%);transition:transform .7s var(--ease);transition-delay:calc(var(--i)*55ms + 80ms)}
.mnav.is-open li a{transform:none}
.mnav__foot{display:grid;gap:6px;color:var(--muted)}
.mnav__foot a{font-weight:600;color:var(--ink);text-decoration:none}
body.is-locked{overflow:hidden}

/* úvod */
.hero{padding-block:clamp(20px,3vw,44px) clamp(48px,6vw,88px)}
.hero__grid{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:clamp(28px,4vw,72px);align-items:center}
.vh{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}
.hero h1 .ln{display:block;overflow:hidden;padding-bottom:.12em;margin-bottom:-.12em}
.hero h1 .ln>span{display:block}
.hero .lede{max-width:34em;margin:clamp(20px,2.2vw,32px) 0 clamp(26px,2.8vw,40px)}
.mosaic{display:grid;grid-template-columns:repeat(12,1fr);grid-template-rows:repeat(6,1fr);gap:clamp(6px,.75vw,11px);height:clamp(420px,76vh,760px)}
.mosaic figure{margin:0;position:relative;overflow:hidden;border-radius:var(--r);background:var(--stone-2)}
.mosaic img{position:absolute;inset:-6% 0;width:100%;height:112%;max-width:none;object-fit:cover;will-change:transform}
.m1{grid-area:1/1/5/8}
.m2{grid-area:1/8/3/13}
.m3{grid-area:3/8/5/13}
.m4{grid-area:5/1/7/5}
.m5{grid-area:5/5/7/10}
.m6{grid-area:5/10/7/13}

/* vlastnosti */

/* tři kroky */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(16px,2vw,28px);counter-reset:s}
.step{position:relative;padding-top:24px;counter-increment:s}
.step__n{display:block;font:400 1.1rem/1 var(--serif);color:var(--bronze);margin-bottom:clamp(36px,5vw,76px)}
.step__n::before{content:"0" counter(s)}
.step h3{margin-bottom:.55em}
.step p{color:var(--muted)}

/* o nás – dělený blok */
.split{display:grid;grid-template-columns:repeat(12,1fr);gap:clamp(28px,4vw,48px) 24px;align-items:center}
.split__media{grid-column:1/6;border-radius:var(--r);overflow:hidden;background:var(--stone-2)}
.split__media img{width:100%;height:112%;object-fit:cover;will-change:transform}
.split__body{grid-column:7/13}
.split__body h2{margin-bottom:.55em}
.split__body .link{margin-top:1.8em}

/* před a po */
.ba{display:grid;grid-template-columns:repeat(12,1fr);gap:clamp(24px,3vw,40px) 24px;align-items:center}
.ba__stage{grid-column:1/9;position:relative;aspect-ratio:4/3;border-radius:var(--r);overflow:hidden;background:var(--stone-2)}
.ba__stage img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:opacity .8s var(--ease),transform 1.4s var(--ease)}
.ba__stage .is-before{opacity:0;transform:scale(1.03)}
.ba[data-state=before] .is-before{opacity:1;transform:none}
.ba[data-state=before] .is-after{opacity:0;transform:scale(1.03)}
.ba__badge{position:absolute;left:14px;top:14px;padding:.35em .9em;border-radius:999px;background:rgba(247,245,240,.92);font-size:.85rem;font-weight:600}
.ba__side{grid-column:9/13}
.ba__side h2{margin-bottom:.6em}
.toggle{display:inline-flex;padding:4px;border:1px solid var(--line);border-radius:999px;background:var(--white);margin-bottom:24px}
.toggle button{position:relative;min-height:42px;padding:0 1.5em;border:0;border-radius:999px;background:none;color:var(--ink);font:600 .92rem var(--sans);cursor:pointer;transition:background-color .4s var(--ease),color .4s var(--ease)}
.toggle button[aria-pressed=true]{background:var(--ink);color:#fff}
.ba__thumbs{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}
.ba__thumbs button{padding:0;border:0;background:none;border-radius:7px;overflow:hidden;cursor:pointer;opacity:.6;aspect-ratio:1;outline-offset:2px;transition:opacity .4s var(--ease),box-shadow .4s var(--ease)}
.ba__thumbs button[aria-pressed=true]{opacity:1;box-shadow:0 0 0 2px var(--paper),0 0 0 4px var(--ink)}
.ba__thumbs img{width:100%;height:100%;object-fit:cover}
@media (hover:hover){.ba__thumbs button:hover{opacity:1}}

/* ceník */
.price{display:grid;grid-template-columns:clamp(170px,19vw,270px) minmax(0,1fr) minmax(170px,auto);gap:clamp(18px,3vw,48px);align-items:center;padding-block:clamp(18px,1.8vw,26px);border-top:1px solid var(--line)}
.prices{border-bottom:1px solid var(--line)}
.price__img{aspect-ratio:3/2;border-radius:8px;overflow:hidden;background:var(--stone-2)}
.price__img img{width:100%;height:100%;object-fit:cover;transition:transform 1.1s var(--ease)}
@media (hover:hover){.price:hover .price__img img{transform:scale(1.05)}}
.price h3{margin-bottom:.35em}
.price p{color:var(--muted);max-width:44em;font-size:.98rem;line-height:1.55}
.price__val{text-align:right}
.price__val strong{display:block;font:400 clamp(1.7rem,2.3vw,2.3rem)/1.1 var(--serif);white-space:nowrap;margin-bottom:.4em}
.price__val .link{font-size:.9rem}
.extras{display:grid;grid-template-columns:repeat(2,1fr);gap:0 clamp(24px,5vw,80px);margin-top:clamp(40px,5vw,72px)}
.extras h3{grid-column:1/-1;margin-bottom:.8em}
.extra{display:flex;justify-content:space-between;gap:20px;padding-block:14px;border-top:1px solid var(--line)}
.extra b{display:block;font-weight:600}
.extra span{display:block;color:var(--muted);font-size:.92rem;line-height:1.45}
.extra em{flex:none;font-style:normal;font-weight:600;white-space:nowrap;text-align:right}
.note{margin-top:28px;font-size:.88rem;color:var(--muted)}

/* náhled projektů a galerie */
.wall{display:grid;grid-template-columns:repeat(12,1fr);gap:clamp(6px,.75vw,11px)}
.tile{position:relative;display:block;width:100%;padding:0;border:0;background:var(--stone-2);border-radius:var(--r);overflow:hidden;aspect-ratio:4/3;cursor:zoom-in;grid-column:span 4}
.tile img{width:100%;height:100%;object-fit:cover;transition:transform 1.1s var(--ease),opacity .6s}
.tile--w7{grid-column:span 7;aspect-ratio:auto;height:100%}
.tile--w5{grid-column:span 5;aspect-ratio:auto;height:100%}
a.tile{cursor:pointer}
@media (hover:hover){.tile:hover img{transform:scale(1.045)}}
.wall--rows{grid-auto-rows:clamp(190px,23vw,360px)}
.wall--rows .tile{aspect-ratio:auto;height:100%}
.more{margin-top:clamp(28px,3vw,44px)}

/* technologie – sticky */
.tech{display:grid;grid-template-columns:repeat(12,1fr);gap:0 24px}
.tech__media{grid-column:1/7;position:sticky;top:96px;align-self:start;height:min(74vh,680px);border-radius:var(--r);overflow:hidden;background:var(--stone-2)}
.tech__media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0;transform:scale(1.04);transition:opacity .9s var(--ease),transform 1.6s var(--ease)}
.tech__media img.is-on{opacity:1;transform:none}
.tech__steps{grid-column:8/13}
.tstep{min-height:min(74vh,680px);display:flex;flex-direction:column;justify-content:center;padding-block:32px;opacity:.32;transition:opacity .7s var(--ease)}
.tstep.is-on{opacity:1}
.tstep__n{font:400 1.1rem var(--serif);color:var(--bronze);margin-bottom:1em}
.tstep h2{font-size:clamp(1.9rem,3vw,2.9rem);margin-bottom:.55em}
.tstep p{color:var(--muted)}
.tstep__img{display:none}

/* stránky – záhlaví */
.phead{padding-block:clamp(36px,6vw,92px) clamp(32px,4vw,64px)}
.phead .lede{max-width:40em;margin-top:1em}

/* materiál */
.facts{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(24px,3vw,44px);margin-top:clamp(36px,4vw,64px)}
.facts h3{padding-top:18px;border-top:1px solid var(--ink);margin-bottom:.6em}
.facts p{color:var(--muted)}
.prose-lg p+p{margin-top:1em}
.prose-lg p{color:var(--muted)}
.prose-lg strong{color:var(--ink);font-weight:600}

/* výzva */
.cta{padding-block:clamp(64px,8vw,120px);background:var(--stone-1)}
.cta__in{display:grid;grid-template-columns:repeat(12,1fr);gap:28px 24px;align-items:end}
.cta__in>div:first-child{grid-column:1/8}
.cta__in h2{margin-bottom:.45em}
.cta__in .lede{max-width:34em}
.cta__links{grid-column:8/13;display:grid;gap:4px}
.cta__links a{font:400 clamp(1.5rem,2.3vw,2.3rem)/1.3 var(--serif);text-decoration:none;width:max-content;max-width:100%;overflow-wrap:anywhere;background:linear-gradient(currentColor,currentColor) 0 100%/0 1px no-repeat;transition:background-size .5s var(--ease)}
@media (hover:hover){.cta__links a:hover{background-size:100% 1px}}
.cta__links .btn{font:600 .95rem/1.2 var(--sans);margin-top:18px;width:auto;background:var(--paper);color:var(--ink);transition:color .4s var(--ease),border-color .4s var(--ease)}

/* kontakt */
.contact{display:grid;grid-template-columns:repeat(12,1fr);gap:clamp(40px,5vw,64px) 24px;align-items:start}
.contact__form{grid-column:1/8;background:var(--white);padding:clamp(22px,3.4vw,52px);border-radius:var(--r);box-shadow:0 1px 0 var(--line)}
.contact__form h2{margin-bottom:.8em;font-size:clamp(1.9rem,3vw,2.8rem)}
.contact__side{grid-column:9/13}
.contact__side h2{font-size:clamp(1.9rem,3vw,2.8rem);margin-bottom:.8em}
.cinfo{padding-block:16px;border-top:1px solid var(--line)}
.cinfo:first-child{padding-top:0;border-top:0}
.cinfo dt{font-size:.82rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--bronze);margin-bottom:.25em}
.cinfo dd{margin:0;font-size:1.08rem}
.cinfo a{text-decoration:none;font-weight:600;overflow-wrap:anywhere}
.cinfo a.link{font-size:.92rem;margin-top:.5em}
.social{display:flex;gap:10px}
.social a{display:inline-flex;align-items:center;justify-content:center;width:46px;height:46px;border:1px solid var(--line);border-radius:50%;text-decoration:none;transition:background-color .4s var(--ease),color .4s var(--ease),border-color .4s var(--ease)}
.social svg{width:19px;height:19px}
@media (hover:hover){.social a:hover{background:var(--ink);border-color:var(--ink);color:#fff}}
.field{margin-bottom:18px}
.field label{display:block;margin-bottom:6px;font-size:.92rem;font-weight:600}
.field label i{font-style:normal;color:var(--bronze)}
.field input,.field select,.field textarea{display:block;width:100%;min-height:52px;padding:12px 14px;border:1px solid rgba(34,38,43,.28);border-radius:8px;background:var(--paper);color:var(--ink);font:400 16px/1.4 var(--sans);transition:border-color .3s,box-shadow .3s,background-color .3s}
.field textarea{min-height:140px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{outline:0;background:var(--white);border-color:var(--ink);box-shadow:0 0 0 3px rgba(160,148,131,.35)}
.field--2{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field--2 .field{margin:0}
.field--2{margin-bottom:18px}
.is-err input,.is-err textarea{border-color:#a3301f}
.err{display:none;margin-top:5px;color:#a3301f;font-size:.86rem}
.is-err .err{display:block}
.check{display:flex;gap:11px;align-items:flex-start;margin-bottom:22px;font-size:.92rem;line-height:1.5;color:var(--muted)}
.check input{flex:none;width:20px;height:20px;margin:1px 0 0;accent-color:var(--ink)}
.check a{color:var(--ink)}
.check.is-err{color:#a3301f}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.form-msg{display:none;margin-top:16px;padding:12px 15px;border-radius:8px;font-size:.95rem}
.form-msg.ok{display:block;background:#e8efe4;color:#2d4a26}
.form-msg.bad{display:block;background:#f6e6e2;color:#7f2517}
.btn[disabled]{opacity:.6;cursor:progress}

/* právní texty */
.legal{max-width:780px}
.legal h2{font-size:clamp(1.6rem,2.4vw,2.1rem);margin:2em 0 .6em}
.legal p,.legal ul{margin-bottom:1em;color:var(--muted)}
.legal ul{padding-left:1.2em;list-style:disc}
.legal li{margin-bottom:.35em}
.legal strong{color:var(--ink);font-weight:600}
.legal__table{width:100%;border-collapse:collapse;margin-bottom:1.2em}
.legal__table th,.legal__table td{padding:9px 0;border-top:1px solid var(--line);text-align:left;vertical-align:top;font-weight:400;color:var(--muted)}
.legal__table td{overflow-wrap:anywhere}
.legal__table th{width:40%;padding-right:16px;font-weight:600;color:var(--ink)}

/* patička */
.footer{padding-top:clamp(48px,6vw,84px);background:var(--paper);font-size:.95rem}
.footer__grid{display:grid;grid-template-columns:repeat(12,1fr);gap:36px 24px;padding-bottom:clamp(36px,4vw,60px)}
.footer__brand{grid-column:1/5}
.footer__brand img{width:150px;height:auto;margin-bottom:18px}
.footer__brand p{color:var(--muted);max-width:26em}
.footer h2{font:600 .8rem/1.3 var(--sans);letter-spacing:.12em;text-transform:uppercase;color:var(--bronze);margin-bottom:12px}
.footer__c1{grid-column:5/7}
.footer__c2{grid-column:7/10}
.footer__c3{grid-column:10/13}
.footer li{margin-bottom:6px}
.footer a{text-decoration:none}
@media (hover:hover){.footer__grid a:not(.social a):hover{text-decoration:underline;text-underline-offset:3px}}
.footer .social{margin-top:14px}
.footer__bar{display:flex;flex-wrap:wrap;justify-content:space-between;gap:6px 24px;padding-block:16px;border-top:1px solid var(--line);color:var(--muted);font-size:.86rem}
.footer__legal{display:flex;flex-wrap:wrap;gap:4px 18px}
.footer__legal a{text-decoration:underline;text-underline-offset:3px;text-decoration-color:var(--line)}
.credit{padding-block:14px;border-top:1px solid var(--line);text-align:center;font-size:.84rem;color:var(--muted)}
.credit a{font-weight:600;color:var(--ink);text-decoration:underline;text-underline-offset:3px}

/* lightbox */
.lb{width:100vw;height:100dvh;max-width:none;max-height:none;margin:0;padding:0;border:0;background:rgba(24,25,27,.94);color:#fff;opacity:0;transition:opacity .35s var(--ease)}
.lb[open]{opacity:1}
.lb::backdrop{background:transparent}
.lb__stage{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;padding:64px clamp(12px,6vw,88px)}
.lb__stage img{max-width:100%;max-height:100%;width:auto;height:auto;border-radius:6px;transition:opacity .3s var(--ease),transform .4s var(--ease)}
.lb__stage img.is-swap{opacity:0;transform:scale(.985)}
.lb button{position:absolute;display:flex;align-items:center;justify-content:center;width:50px;height:50px;border:1px solid rgba(255,255,255,.3);border-radius:50%;background:rgba(24,25,27,.5);color:#fff;cursor:pointer;transition:background-color .3s,color .3s}
.lb button svg{width:20px;height:20px}
.lb button:focus-visible{outline-color:#fff}
@media (hover:hover){.lb button:hover{background:#fff;color:var(--ink)}}
.lb__x{top:10px;right:12px}
.lb__p{left:12px;top:50%;margin-top:-25px}
.lb__n{right:12px;top:50%;margin-top:-25px}
.lb__c{position:absolute;left:18px;top:22px;font-size:.92rem;color:rgba(255,255,255,.85)}

/* barevná a materiálová vrstva */
.eyebrow{display:flex;align-items:center;gap:.8em}
.eyebrow::before{content:"";flex:none;width:26px;height:16px;background:
  linear-gradient(var(--copper),var(--copper)) 0 0/15px 7px no-repeat,
  linear-gradient(var(--stone-4),var(--stone-4)) 100% 0/9px 7px no-repeat,
  linear-gradient(var(--stone-4),var(--stone-4)) 0 100%/8px 7px no-repeat,
  linear-gradient(var(--copper),var(--copper)) 100% 100%/16px 7px no-repeat;border-radius:2px}
.btn{background:var(--copper);border-color:var(--copper)}
.btn::before{background:var(--deep)}
.btn--ghost{background:transparent;border-color:var(--ink)}
.btn--ghost::before{background:var(--ink)}
@media (hover:hover){.btn:hover{border-color:var(--deep)}}
.btn--light{background:var(--paper);border-color:var(--paper);color:var(--ink)}
.btn--light::before{background:var(--copper-light)}
@media (hover:hover){.btn--light:hover{border-color:var(--copper-light);color:var(--ink)}}
.header.is-stuck{background:rgba(247,243,237,.88)}
.toggle button[aria-pressed=true]{background:var(--copper)}

/* hlavička navazuje na barevné záhlaví stránky */
.hero,.phead{position:relative;isolation:isolate;margin-top:calc(var(--header)*-1);background:linear-gradient(160deg,var(--paper) 15%,var(--stone-1) 100%)}
.hero{padding-top:calc(var(--header) + clamp(20px,3vw,44px))}
.phead{max-width:none;padding-inline:max(var(--pad),calc((100% - 1440px)/2 + var(--pad)));padding-top:calc(var(--header) + clamp(36px,6vw,92px));padding-bottom:clamp(36px,5vw,76px)}
.hero::before,.phead::before{content:"";position:absolute;inset:0;z-index:-1;background:var(--pattern);-webkit-mask-image:linear-gradient(115deg,transparent 35%,#000 100%);mask-image:linear-gradient(115deg,transparent 35%,#000 100%)}
.hero::before{-webkit-mask-image:linear-gradient(20deg,#000 0,transparent 55%);mask-image:linear-gradient(20deg,#000 0,transparent 55%)}
.phead + section{padding-top:clamp(40px,5vw,72px)}

/* tmavý pás s vlastnostmi */
.band{background:var(--nude);color:var(--ink);--line:rgba(51,43,37,.18)}

.band__in{padding-block:clamp(44px,5vw,72px)}
.feats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:clamp(28px,3.4vw,52px)}
.feat{display:flex;flex-direction:column;gap:16px}
.feat__ic{flex:none;display:flex;align-items:center;justify-content:center;width:46px;height:46px;border:1px solid rgba(51,43,37,.5);border-radius:50%;color:var(--ink)}
.feat__ic svg{width:22px;height:22px}
.feat h3{font-size:clamp(1.3rem,1.5vw,1.55rem);margin-bottom:.35em}
.feat p{color:var(--muted);font-size:.95rem;line-height:1.5}

/* kroky jako karty s fotkou */
.steps{gap:clamp(14px,1.6vw,22px)}
.step{padding:0;background:var(--white);border-radius:var(--r);overflow:hidden;box-shadow:0 18px 40px -28px rgba(45,38,32,.55);transition:opacity 1s var(--ease),transform .9s var(--ease),box-shadow .6s var(--ease);transition-delay:var(--d,0ms)}
.step__img{position:relative;aspect-ratio:3/2;background:var(--stone-2);overflow:hidden}
.step__img img{width:100%;height:100%;object-fit:cover;transition:transform 1.1s var(--ease)}
.step__n{position:absolute;left:14px;bottom:12px;display:flex;align-items:center;justify-content:center;width:50px;height:50px;margin:0;border-radius:50%;background:var(--copper);color:#fff;font-size:1.3rem}
.step__body{padding:clamp(20px,2vw,30px)}
@media (hover:hover){.step:hover{box-shadow:0 26px 50px -26px rgba(45,38,32,.65)}.step:hover .step__img img{transform:scale(1.05)}}

/* sekce s kamenným vzorem */
.section--tint{position:relative;isolation:isolate}
.section--tint::before{content:"";position:absolute;inset:0;z-index:-1;background:var(--pattern);opacity:.75;-webkit-mask-image:linear-gradient(90deg,transparent 45%,#000);mask-image:linear-gradient(90deg,transparent 45%,#000)}

/* ceník */
.prices{display:grid;gap:12px;border:0}
.price{padding:clamp(12px,1.1vw,16px);padding-right:clamp(16px,2.6vw,38px);border:0;border-radius:var(--r);background:var(--white);box-shadow:0 14px 34px -28px rgba(45,38,32,.6);transition:opacity 1s var(--ease),transform .7s var(--ease),box-shadow .6s var(--ease)}
.price__val strong{color:var(--bronze)}
@media (hover:hover){.price:hover{box-shadow:0 22px 44px -26px rgba(45,38,32,.65)}}
.extras{padding:clamp(24px,3.6vw,52px);border-radius:var(--r);background:var(--nude);color:var(--ink);--line:rgba(51,43,37,.18)}
.extras .extra span{color:var(--muted)}
.extras .extra em{color:var(--ink)}

/* kalkulačka */
.calc{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:clamp(20px,3vw,48px);align-items:stretch;margin-top:clamp(32px,4vw,56px);padding:clamp(22px,3.2vw,44px);border-radius:var(--r);background:var(--stone-1)}
.calc[hidden]{display:none}
.calc h3{margin-bottom:.9em}
.calc .field{margin:0}
.calc .field--2{margin:0;grid-template-columns:minmax(0,3fr) minmax(0,2fr)}
.calc .field input,.calc .field select{background:var(--white)}
.calc__result{display:flex;flex-direction:column;align-items:flex-start;justify-content:center;gap:8px;padding:clamp(20px,2.4vw,32px);border-radius:var(--r);background:var(--deep);color:#fff}
.calc__label{font-size:.9rem;color:#dcd2c6}
.calc__sum{display:block;min-height:1.15em;font:400 clamp(2.2rem,3.6vw,3.3rem)/1.15 var(--serif);white-space:nowrap;transition:opacity .3s var(--ease)}
.calc__result .btn{margin-top:12px}
.calc__note{grid-column:1/-1;font-size:.88rem;color:var(--muted)}

/* tlačítko Zavolat */
.callbtn{display:none}

/* kamenný pruh s výzvou */
.cta{position:relative;isolation:isolate;color:#fff;background:var(--deep) url(../img/kamen.webp) center/cover no-repeat}
.cta::before{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(105deg,rgba(52,44,38,.9) 0%,rgba(70,60,51,.82) 55%,rgba(92,80,69,.74) 100%)}
.cta .lede{color:#f1eae1}

/* materiál a kontakt */
.facts>div{padding:clamp(22px,2.4vw,34px);background:var(--white);border-radius:var(--r);box-shadow:0 14px 34px -28px rgba(45,38,32,.6)}
.facts h3{padding-top:0;border-top:0;color:var(--bronze)}
.contact{gap:clamp(20px,2.4vw,32px)}
.contact__form{grid-column:1/8;box-shadow:0 18px 44px -30px rgba(45,38,32,.6)}
.contact__side{grid-column:8/13;padding:clamp(22px,3vw,44px);border-radius:var(--r);background:var(--nude);color:var(--ink);--line:rgba(51,43,37,.18)}
.contact__side .cinfo dt{color:var(--muted)}
@media (hover:hover){.contact__side .social a:hover{background:var(--ink);border-color:var(--ink);color:#fff}}

/* tmavá patička */
.footer{background:var(--deep);color:var(--paper);--line:rgba(245,239,228,.18)}
.footer h2{color:var(--copper-light)}
.footer__brand img{filter:brightness(0) invert(1)}
.footer__bar,.footer__legal a{color:#dcd2c6}
.footer__legal a{text-decoration-color:rgba(245,239,228,.35)}
.credit{color:#dcd2c6}
.credit a{color:#fff}
@media (hover:hover){.footer .social a:hover{background:var(--paper);border-color:var(--paper);color:var(--ink)}}

/* animace */
.js [data-r]{opacity:0;transform:translateY(26px);transition:opacity 1s var(--ease),transform 1.1s var(--ease);transition-delay:var(--d,0ms)}
.js [data-r].in{opacity:1;transform:none}
.js [data-r=clip]{opacity:1;transform:none;position:relative}
.js [data-r=clip]::after{content:"";position:absolute;inset:0;z-index:2;background:var(--stone-2);transform-origin:bottom;pointer-events:none;transition:transform .85s var(--ease);transition-delay:var(--d,0ms)}
.js [data-r=clip].in::after{transform:scaleY(0)}
.js .hero h1 .ln>span{transform:translateY(112%);animation:rise 1.15s var(--ease) forwards;animation-delay:calc(var(--i,0)*110ms + 80ms)}
.js .hero__fade{opacity:0;transform:translateY(16px);animation:fade 1s var(--ease) forwards;animation-delay:calc(var(--i,0)*90ms + 340ms)}
.js .mosaic figure{clip-path:inset(100% 0 0 0 round var(--r));animation:wipe 1.3s var(--ease) forwards;animation-delay:calc(var(--i)*95ms + 120ms)}
@keyframes rise{to{transform:none}}
@keyframes fade{to{opacity:1;transform:none}}
@keyframes wipe{to{clip-path:inset(0 0 0 0 round var(--r))}}

/* přechody mezi stránkami */
@view-transition{navigation:auto}
::view-transition-old(root){animation:vt-out .32s var(--ease) both}
::view-transition-new(root){animation:vt-in .55s var(--ease) both}
@keyframes vt-out{to{opacity:0;transform:translateY(-10px)}}
@keyframes vt-in{from{opacity:0;transform:translateY(14px)}}

/* responzivita */
@media (max-width:1180px){
  .header__tel{display:none}
  .section__head>div:first-child{grid-column:1/-1}
  .section__head>p{grid-column:1/-1;max-width:40em}
}
@media (max-width:980px){
  :root{--header:72px}
  .nav,.header .btn{display:none}
  .burger{display:block}
  .logo img,.is-stuck .logo img{width:112px}
  .footer li{margin-bottom:0}
  .footer li>a{display:inline-block;padding-block:7px}
  .footer li:not(:has(a)){padding-block:7px}
  .footer__legal a,.credit a,.cinfo a:not(.link),.mnav__foot a,.legal__table a{display:inline-block;padding-block:6px}
  .is-stuck .header__in{height:var(--header)}
  .header.is-stuck{margin-bottom:0}
  .hero__grid{grid-template-columns:1fr}
  .mosaic{height:auto;aspect-ratio:1/.92}
  .feats{grid-template-columns:repeat(2,minmax(0,1fr))}
  .steps{grid-template-columns:1fr;gap:32px}
  .split__media{grid-column:1/-1;aspect-ratio:4/3}
  .split__media img{height:100%}
  .split__body{grid-column:1/-1}
  .ba__stage,.ba__side{grid-column:1/-1}
  .ba__side{order:-1}
  .tech{display:block}
  .tech__media{display:none}
  .tstep{min-height:0;opacity:1;padding-block:0 52px}
  .tstep__img{display:block;margin-bottom:24px;border-radius:var(--r);overflow:hidden;aspect-ratio:4/3;background:var(--stone-2)}
  .tstep__img img{width:100%;height:100%;object-fit:cover}
  .facts{grid-template-columns:1fr}
  .cta__in>div:first-child,.cta__links{grid-column:1/-1}
  .contact__form,.contact__side{grid-column:1/-1}
  .hero::before,.phead::before{opacity:.6;-webkit-mask-image:linear-gradient(200deg,#000 0,transparent 60%);mask-image:linear-gradient(200deg,#000 0,transparent 60%)}
  .footer__brand{grid-column:1/-1}
  .footer__c1{grid-column:1/5}
  .footer__c2{grid-column:5/9}
  .footer__c3{grid-column:9/13}
}
@media (max-width:700px){
  .price{grid-template-columns:1fr;gap:14px;padding:12px 12px 18px}
  .price>div:not(.price__img){padding-inline:6px}
  .price__img{aspect-ratio:16/9}
  .price__val{text-align:left;display:flex;align-items:baseline;justify-content:space-between;flex-wrap:wrap;gap:6px 16px}
  .price__val strong{margin:0}
  .extras{grid-template-columns:1fr}
  .wall--rows{grid-auto-rows:42vw}
  .wall .tile{grid-column:span 6}
  .wall .tile:nth-child(3n+1){grid-column:span 12;grid-row:span 1}
  .wall .tile:nth-child(3n+2):last-child{grid-column:span 12}
  .feats{grid-template-columns:1fr}
  .calc{grid-template-columns:1fr}
  .calc .field--2{grid-template-columns:1fr}
  .callbtn{position:fixed;right:16px;bottom:max(16px,env(safe-area-inset-bottom));z-index:30;display:inline-flex;align-items:center;gap:9px;min-height:52px;padding:0 20px 0 17px;border-radius:999px;background:var(--copper);color:#fff;font-weight:600;text-decoration:none;box-shadow:0 12px 28px -10px rgba(45,38,32,.75);transition:transform .45s var(--ease),opacity .3s var(--ease)}
  .callbtn svg{width:20px;height:20px}
  .js .callbtn{opacity:0;transform:translateY(90px);pointer-events:none}
  .js .callbtn.is-on{opacity:1;transform:none;pointer-events:auto}
  .credit{padding-bottom:calc(84px + env(safe-area-inset-bottom))}
  .feat{flex-direction:row}
  .field--2{grid-template-columns:1fr}
  .footer__c1{grid-column:span 4}
  .footer__c2{grid-column:span 8}
  .footer__c3{grid-column:1/-1}
  .footer__bar{flex-direction:column}
  .legal__table th{width:44%}
  .lb__p,.lb__n{top:auto;bottom:12px;margin:0}
  .lb__p{left:calc(50% - 58px)}
  .lb__n{right:calc(50% - 58px)}
  .lb__stage{padding:62px 10px 76px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.01ms!important;animation-delay:0ms!important;transition-duration:.01ms!important;transition-delay:0ms!important}
  ::view-transition-group(*),::view-transition-old(*),::view-transition-new(*){animation:none!important}
}
@media print{.callbtn,.calc,.header,.mnav,.cta,.footer .social{display:none}.js [data-r]{opacity:1;transform:none}.js [data-r=clip]::after{display:none}}

/* Cloudflare Turnstile ve formuláři */
.cf-turnstile { margin: 18px 0 6px; }