:root{
  --bg:#f4f3f1; --ink:#16181b; --ink-2:#24272c; --steel:#2e3238; --muted:#5d636b; --line:#dedbd6;
  --accent:#ff8a1f; --accent-2:#ffb347; --accent-dk:#e06d00;
  --radius:14px; --maxw:1200px;
  --ff-head:"Barlow Condensed",system-ui,sans-serif; --ff:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--ff);color:var(--ink);background:var(--bg);line-height:1.6;font-size:17px;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit}
h1,h2,h3{font-family:var(--ff-head);line-height:1.02;margin:0;letter-spacing:.005em}
h2{font-size:clamp(2.4rem,4.4vw,3.6rem);font-weight:800;text-transform:uppercase;text-wrap:balance}
h3{font-size:1.5rem;font-weight:700}
.container{width:min(100% - 40px,var(--maxw));margin-inline:auto}
svg{width:1.1em;height:1.1em;flex:none}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:.6em;justify-content:center;font-weight:600;text-decoration:none;border-radius:999px;padding:.8em 1.4em;transition:transform .15s,background .2s,color .2s,box-shadow .2s;white-space:nowrap;border:2px solid transparent;font-size:1rem}
.btn:hover{transform:translateY(-2px)}
.btn-lg{padding:1em 1.8em;font-size:1.08rem}
.btn-sm{padding:.55em 1.1em;font-size:.95rem}
.btn-primary{background:var(--accent);color:#1a1004;box-shadow:0 10px 30px -10px rgba(255,138,31,.7)}
.btn-primary:hover{background:var(--accent-2)}
.btn-ghost{border-color:rgba(255,255,255,.35);color:#fff;background:rgba(255,255,255,.06);backdrop-filter:blur(4px)}
.btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.12)}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{background:#000}
.btn-outline-dark{border-color:var(--ink);color:var(--ink)}
.btn-outline-dark:hover{background:rgba(0,0,0,.08)}

/* header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(22,24,27,.92);backdrop-filter:blur(10px);border-bottom:1px solid rgba(255,255,255,.07);color:#fff}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:72px}
.logo{display:flex;align-items:center;gap:.7rem;text-decoration:none;color:#fff}
.logo-mark{height:44px;width:auto}
.logo-word{height:32px;width:auto}
.nav{display:flex;align-items:center;gap:2rem}
.nav a:not(.btn){text-decoration:none;font-weight:500;font-size:.98rem;color:rgba(255,255,255,.82);position:relative}
.nav a:not(.btn):hover{color:#fff}
.nav a:not(.btn)::after{content:"";position:absolute;left:0;right:100%;bottom:-6px;height:2px;background:var(--accent);transition:right .2s}
.nav a:not(.btn):hover::after{right:0}
.nav-toggle{display:none;background:none;border:0;width:44px;height:44px;padding:10px;cursor:pointer}
.nav-toggle span{display:block;height:2px;background:#fff;margin:6px 0;border-radius:2px;transition:.2s}

/* hero */
.hero{position:relative;color:#fff;min-height:calc(100vh - 72px);min-height:calc(100svh - 72px);display:flex;align-items:center;overflow:hidden;background:#0e0f11;isolation:isolate}
.hero-bg{position:absolute;inset:0;z-index:-1;background:
  linear-gradient(90deg,rgba(12,13,15,.94) 0%,rgba(12,13,15,.82) 38%,rgba(12,13,15,.35) 70%,rgba(12,13,15,.2) 100%),
  linear-gradient(0deg,rgba(12,13,15,.9) 0%,rgba(12,13,15,0) 35%),
  url("assets/hero-konstrukce.webp") 70% 40%/cover no-repeat}
.hero-bg::after{content:"";position:absolute;inset:0;background:radial-gradient(60% 60% at 80% 40%,rgba(255,138,31,.18),transparent 70%)}
.hero-inner{padding:80px 0 90px}
.eyebrow{display:inline-flex;align-items:center;gap:.6rem;font-size:.9rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--accent-2);margin:0 0 1.4rem;padding:.45rem .9rem;border:1px solid rgba(255,179,71,.35);border-radius:999px;background:rgba(255,138,31,.08)}
.dot{width:8px;height:8px;border-radius:50%;background:var(--accent);box-shadow:0 0 12px 3px rgba(255,138,31,.7)}
.hero h1{font-size:clamp(3rem,6vw,5.4rem);font-weight:800;text-transform:uppercase;letter-spacing:-.005em;text-wrap:balance}
.hero h1 .accent{color:var(--accent);background:linear-gradient(90deg,var(--accent),var(--accent-2));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.lead{font-size:clamp(1.05rem,1.5vw,1.25rem);max-width:40rem;color:rgba(255,255,255,.82);margin:1.6rem 0 2.2rem}
.hero-cta{display:flex;flex-wrap:wrap;gap:1rem}
.hero-facts{list-style:none;padding:0;margin:3rem 0 0;display:flex;flex-wrap:wrap;gap:0;color:rgba(255,255,255,.7);font-size:.98rem}
.hero-facts li{padding:0 1.4rem;border-left:2px solid rgba(255,138,31,.6)}
.hero-facts li:first-child{padding-left:1rem}
.hero-facts strong{color:#fff;font-weight:600;margin-right:.3em}

/* sections */
.section{padding:clamp(72px,9vw,120px) 0}
.section-head{max-width:720px;margin-bottom:3rem}
.section-head-row{max-width:none;display:flex;align-items:flex-end;justify-content:space-between;gap:1.5rem;flex-wrap:wrap}
.kicker{display:flex;align-items:center;gap:.7rem;font-size:.85rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--accent-dk);margin:0 0 .8rem}
.kicker::before{content:"";width:28px;height:3px;background:var(--accent);border-radius:2px}
.section-sub{color:var(--muted);font-size:1.1rem;margin:1rem 0 0}

/* services */
.services{display:grid;grid-template-columns:repeat(6,1fr);gap:1.25rem}
.service{grid-column:span 2}
.service-exhaust{grid-column:span 3}
.services .service:nth-last-child(-n+2){grid-column:span 3}
.service{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:2rem 1.8rem 1.9rem;transition:transform .2s,box-shadow .2s,border-color .2s;overflow:hidden}
.service::before{content:"";position:absolute;left:0;top:0;height:3px;width:0;background:var(--accent);transition:width .3s}
.service:hover{transform:translateY(-4px);box-shadow:0 20px 40px -24px rgba(0,0,0,.35);border-color:transparent}
.service:hover::before{width:100%}
.service-icon{width:56px;height:56px;border-radius:12px;background:#f7efe6;color:var(--accent-dk);display:grid;place-items:center;margin-bottom:1.3rem}
.service-icon svg{width:34px;height:34px}
.service p{color:var(--muted);margin:.7rem 0 0;font-size:1rem}
.service-featured{background:var(--ink);color:#fff;border-color:var(--ink)}
.service-featured .service-icon{background:rgba(255,138,31,.14);color:var(--accent)}
.service-featured p{color:rgba(255,255,255,.72)}
.tag{position:absolute;top:1.6rem;right:1.4rem;font-size:.72rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:#1a1004;background:var(--accent);padding:.3rem .65rem;border-radius:999px}
.materials{margin-top:2.2rem;display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:1rem 1.4rem;padding:1.3rem 1.5rem;border:1px dashed #c9c4bc;border-radius:var(--radius);font-family:var(--ff-head);text-transform:uppercase}
.materials span{font-family:var(--ff);font-size:.85rem;font-weight:600;letter-spacing:.14em;color:var(--muted)}
.materials b{font-size:1.7rem;font-weight:800;letter-spacing:.04em}
.materials i{width:8px;height:8px;background:var(--accent);transform:rotate(45deg)}

/* why */
.section-dark{background:linear-gradient(180deg,#1b1d21,#141619);color:#fff;position:relative;overflow:hidden}
.section-dark::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);background-size:48px 48px;mask-image:linear-gradient(90deg,transparent,#000 60%)}
.section-dark .section-sub{color:rgba(255,255,255,.66)}
.section-dark .kicker{color:var(--accent-2)}
.why{position:relative;display:grid;grid-template-columns:1fr 1.1fr;gap:clamp(2.5rem,6vw,5rem);align-items:center}
.why-media{position:relative}
.why-media img{border-radius:var(--radius);aspect-ratio:1/1;height:auto;object-fit:cover;width:100%;box-shadow:0 30px 60px -30px rgba(0,0,0,.8)}
.why-media::after{content:"";position:absolute;right:-14px;bottom:-14px;width:45%;height:45%;border-right:3px solid var(--accent);border-bottom:3px solid var(--accent);border-radius:0 0 var(--radius) 0;pointer-events:none}
.benefits{list-style:none;padding:0;margin:2.4rem 0 0;display:grid;grid-template-columns:1fr 1fr;gap:1.8rem 2rem}
.benefits li{display:flex;gap:1rem;align-items:flex-start}
.b-ico{flex:none;width:46px;height:46px;border-radius:10px;display:grid;place-items:center;background:rgba(255,138,31,.12);color:var(--accent);border:1px solid rgba(255,138,31,.25)}
.b-ico svg{width:22px;height:22px}
.benefits h3{font-size:1.35rem;text-transform:uppercase;letter-spacing:.02em}
.benefits p{margin:.4rem 0 0;color:rgba(255,255,255,.66);font-size:.97rem}

/* gallery */
.insta-link{display:inline-flex;align-items:center;gap:.55rem;font-weight:600;text-decoration:none;padding:.7rem 1.2rem;border:1.5px solid var(--ink);border-radius:999px;transition:.2s}
.insta-link:hover{background:var(--ink);color:#fff}
.gallery{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:230px;grid-auto-flow:dense;gap:14px}
.gallery figure{margin:0;position:relative;overflow:hidden;border-radius:12px;background:#ddd}
.gallery img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.gallery figure:hover img{transform:scale(1.05)}
.gallery figcaption{position:absolute;left:0;right:0;bottom:0;padding:2.4rem 1rem .85rem;color:#fff;font-family:var(--ff-head);font-weight:700;font-size:1.25rem;text-transform:uppercase;letter-spacing:.04em;background:linear-gradient(0deg,rgba(0,0,0,.72),transparent)}
.g-wide{grid-column:span 2}
.g-tall{grid-row:span 2}
.gallery-note{margin:1rem 0 0;font-size:.8rem;color:#8a8f96;text-align:right;font-style:italic}

/* cta band */
.cta-band{background:linear-gradient(100deg,var(--accent) 0%,var(--accent-2) 100%);color:#1a1004;position:relative;overflow:hidden}
.cta-band::after{content:"";position:absolute;right:-80px;top:-80px;width:320px;height:320px;border:40px solid rgba(255,255,255,.14);border-radius:50%}
.cta-inner{position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:2rem;padding:56px 0;flex-wrap:wrap}
.cta-band h2{font-size:clamp(2rem,3.6vw,3rem)}
.cta-band p{margin:.5rem 0 0;font-size:1.1rem;opacity:.85}
.cta-actions{display:flex;gap:.8rem;flex-wrap:wrap}

/* contact */
.contact{display:grid;grid-template-columns:1fr 1.25fr;gap:1.5rem;align-items:stretch}
.contact-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:2.2rem}
.contact-list{list-style:none;margin:0;padding:0;display:grid;gap:1.4rem}
.contact-list li{display:flex;gap:1rem;align-items:flex-start}
.c-ico{flex:none;width:44px;height:44px;border-radius:10px;background:var(--ink);color:var(--accent);display:grid;place-items:center}
.c-ico svg{width:20px;height:20px}
.contact-list small{display:block;font-size:.78rem;text-transform:uppercase;letter-spacing:.12em;color:var(--muted);font-weight:600}
.contact-list a{text-decoration:none;font-weight:600;font-size:1.05rem;overflow-wrap:anywhere}
.contact-list a:hover{color:var(--accent-dk)}
.contact-list a.big{display:block;font-family:var(--ff-head);font-size:1.7rem;font-weight:800;letter-spacing:.02em;line-height:1.25}
.hours{margin-top:2rem;padding-top:1.6rem;border-top:1px solid var(--line)}
.hours h3{font-size:1.3rem;text-transform:uppercase;margin-bottom:.8rem}
.hours dl{margin:0;display:grid;grid-template-columns:auto 1fr;gap:.5rem 1.5rem}
.hours dt{color:var(--muted)}
.hours dd{margin:0;font-weight:600;text-align:right}
.map{border-radius:var(--radius);overflow:hidden;min-height:420px;background:#dcd8d2 url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12 22s7-6.2 7-12a7 7 0 10-14 0c0 5.8 7 12 7 12z' fill='%23ff8a1f'/%3E%3C/svg%3E") center/48px no-repeat;border:1px solid var(--line)}
.map iframe{width:100%;height:100%;min-height:420px;border:0;display:block;filter:grayscale(.35) contrast(1.05)}

/* footer */
.site-footer{background:#101113;color:rgba(255,255,255,.62);padding:40px 0;font-size:.92rem}
.footer-inner{display:flex;justify-content:space-between;align-items:center;gap:1.5rem;flex-wrap:wrap}
.footer-logo{display:inline-flex;align-items:center;gap:.6rem;text-decoration:none}
.footer-logo img:first-child{height:40px;width:auto}
.footer-logo img:last-child{height:28px;width:auto}
.footer-brand p,.footer-meta p{margin:.3rem 0 0}
.footer-meta{text-align:right}
.credit{font-size:.8rem;opacity:.7}
.credit a{text-decoration:none;border-bottom:1px solid rgba(255,255,255,.25)}
.credit a:hover{color:#fff}

.mobile-call{display:none}

/* inquiry form */
.section-form{background:#ebe8e3;border-top:1px solid var(--line)}
.form-wrap{display:grid;grid-template-columns:.85fr 1.15fr;gap:clamp(2rem,5vw,4.5rem);align-items:start}
.form-alt{list-style:none;padding:0;margin:2.2rem 0 0;display:grid;gap:1.1rem}
.form-alt li{display:flex;gap:1rem;align-items:center}
.form-alt small{display:block;font-size:.78rem;text-transform:uppercase;letter-spacing:.12em;color:var(--muted);font-weight:600}
.form-alt a{text-decoration:none;font-weight:600;overflow-wrap:anywhere}
.form-alt a:hover{color:var(--accent-dk)}
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:clamp(1.3rem,3vw,2.4rem);box-shadow:0 30px 60px -40px rgba(0,0,0,.35);border-top:4px solid var(--accent)}
.inquiry{display:grid;gap:1.1rem}
.f-row{display:grid;grid-template-columns:1fr 1fr;gap:1.1rem}
.f-field{display:grid;gap:.4rem;min-width:0}
.f-field>span{font-size:.88rem;font-weight:600;color:var(--ink-2)}
.f-field small{font-weight:400;color:var(--muted)}
.inquiry em{font-style:normal;color:var(--accent-dk)}
.f-field input,.f-field select,.f-field textarea{width:100%;min-width:0;font:inherit;font-size:1rem;color:var(--ink);background:#faf9f7;border:1.5px solid #d3cec7;border-radius:10px;padding:.75rem .9rem;transition:border-color .2s,box-shadow .2s,background .2s}
.f-field textarea{resize:vertical;min-height:130px}
.f-field select{appearance:none;-webkit-appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M6 9l6 6 6-6' fill='none' stroke='%235d636b' stroke-width='2'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right .8rem center;background-size:18px;padding-right:2.4rem}
.f-field input:focus,.f-field select:focus,.f-field textarea:focus{outline:none;border-color:var(--accent);background:#fff;box-shadow:0 0 0 4px rgba(255,138,31,.18)}
.f-file input{padding:.6rem;background:#fff;border-style:dashed;font-size:.92rem}
.f-file input::file-selector-button{font:inherit;font-weight:600;border:0;border-radius:999px;background:var(--ink);color:#fff;padding:.45rem 1rem;margin-right:.8rem;cursor:pointer}
.f-check{display:flex;gap:.7rem;align-items:flex-start;font-size:.95rem;cursor:pointer}
.f-check input{width:20px;height:20px;margin:.15rem 0 0;flex:none;accent-color:var(--accent-dk)}
.f-note{margin:-.4rem 0 0;font-size:.82rem;color:var(--muted)}
.f-actions{display:flex;align-items:center;gap:1rem;flex-wrap:wrap}
.f-actions .btn{border:0;cursor:pointer;font-family:inherit}
.f-actions .btn:disabled{opacity:.6;cursor:wait;transform:none}
.f-status{margin:0;font-size:.92rem;color:var(--muted)}
.hp{position:absolute!important;left:-9999px;width:1px;height:1px;overflow:hidden}
.form-thanks{text-align:center;padding:2.5rem 1rem}
.form-thanks h3{font-size:2rem;text-transform:uppercase;margin:1rem 0 .6rem}
.form-thanks p{color:var(--muted);margin:0}
.form-thanks a{font-weight:700;color:var(--ink)}
.thanks-ico{display:inline-grid;place-items:center;width:64px;height:64px;border-radius:50%;background:var(--accent);color:#1a1004}
.thanks-ico svg{width:32px;height:32px}

/* responsive */
@media (max-width:1024px){
  .services{grid-template-columns:repeat(2,1fr)}
  .service,.service-exhaust,.services .service:nth-last-child(-n+2){grid-column:auto}
  .services .service:last-child{grid-column:span 2}
  .why{grid-template-columns:1fr}
  .why-media img{aspect-ratio:16/9}
  .gallery{grid-template-columns:repeat(3,1fr)}
  .gallery figure:last-child{grid-column:span 2}
}
@media (max-width:860px){
  .nav-toggle{display:block}
  .nav{position:fixed;inset:72px 0 auto 0;flex-direction:column;align-items:stretch;gap:0;background:#16181b;padding:.5rem 20px 1.5rem;border-bottom:1px solid rgba(255,255,255,.08);transform:translateY(-120%);transition:transform .3s;z-index:-1}
  .nav a:not(.btn){padding:1rem 0;border-bottom:1px solid rgba(255,255,255,.07);font-size:1.1rem}
  .nav a:not(.btn)::after{display:none}
  .nav-cta{margin-top:1.2rem}
  .nav-open .nav{transform:none}
  .nav-open .nav-toggle span:nth-child(1){transform:translateY(8px) rotate(45deg)}
  .nav-open .nav-toggle span:nth-child(2){opacity:0}
  .nav-open .nav-toggle span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}
  .contact{grid-template-columns:1fr}
  .form-wrap{grid-template-columns:1fr}
}
@media (max-width:640px){
  body{font-size:16px}
  .header-inner{height:64px}
  .nav{inset:64px 0 auto 0}
  .logo-mark{height:38px}
  .logo-word{height:27px}
  .hero{min-height:auto}
  .hero-bg{background:
    linear-gradient(180deg,rgba(12,13,15,.55) 0%,rgba(12,13,15,.82) 45%,rgba(12,13,15,.96) 100%),
    url("assets/hero-konstrukce.webp") 78% center/cover no-repeat}
  .hero-inner{padding:56px 0 64px}
  .eyebrow{font-size:.74rem;letter-spacing:.1em}
  .hero h1{font-size:clamp(2.7rem,12.5vw,3.6rem)}
  .lead{margin:1.2rem 0 1.8rem}
  .hero-cta{flex-direction:column}
  .hero-cta .btn{width:100%}
  .hero-facts{margin-top:2.2rem;flex-direction:column;gap:.6rem}
  .hero-facts li,.hero-facts li:first-child{padding:0 0 0 .9rem}
  .services{grid-template-columns:1fr;gap:.8rem}
  .services .service:last-child{grid-column:auto}
  .f-row{grid-template-columns:1fr}
  .service{display:grid;grid-template-columns:48px 1fr;column-gap:1rem;padding:1.3rem 1.2rem}
  .service-icon{width:48px;height:48px;margin:0;grid-row:span 3}
  .service-icon svg{width:28px;height:28px}
  .service h3{font-size:1.35rem;align-self:center}
  .service p{margin-top:.35rem;font-size:.95rem}
  .service .tag{position:static;justify-self:start;margin-bottom:.5rem;font-size:.66rem}
  .benefits{grid-template-columns:1fr;gap:1.5rem}
  .why-media::after{right:-8px;bottom:-8px}
  .materials b{font-size:1.4rem}
  .materials span{width:100%;text-align:center}
  .gallery{grid-template-columns:1fr 1fr;grid-auto-rows:170px;gap:10px}
  .g-wide{grid-column:span 2}
  .gallery figure:last-child{grid-column:auto}
  .gallery figcaption{font-size:1.05rem;padding:2rem .75rem .6rem}
  .cta-inner{padding:44px 0}
  .cta-actions,.cta-actions .btn{width:100%}
  .contact-card{padding:1.4rem 1.2rem}
  .contact-list a{font-size:1rem}
  .contact-list li{gap:.85rem}
  .hours dl{grid-template-columns:1fr}
  .hours dd{text-align:left;margin-bottom:.5rem}
  .map,.map iframe{min-height:320px}
  .footer-meta{text-align:left}
  .site-footer{padding-bottom:100px}
  .mobile-call{display:flex;opacity:0;transform:translateY(20px);pointer-events:none;transition:opacity .25s,transform .25s;position:fixed;right:16px;bottom:16px;z-index:60;align-items:center;gap:.5rem;background:var(--accent);color:#1a1004;font-weight:700;text-decoration:none;padding:.9rem 1.3rem;border-radius:999px;box-shadow:0 12px 30px -8px rgba(0,0,0,.5)}
  .mobile-call svg{width:20px;height:20px}
}
.show-call .mobile-call{opacity:1;transform:none;pointer-events:auto}
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}