:root{
  --graphite:#12151b;
  --steel:#191d25;
  --steel-2:#21262f;
  --line:#2c333f;
  --raw:#e9e5df;
  --muted:#9aa2ae;
  --forge:#e8622c;
  --ember:#f2a35e;
  --arc:#5b86f0;
  --maxw:1180px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"IBM Plex Sans",system-ui,sans-serif;
  background:var(--graphite);
  color:var(--raw);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,.display{font-family:"Saira Condensed",sans-serif;line-height:1.02;letter-spacing:.01em;font-weight:700;}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px}
.accent{color:var(--forge)}

/* ---------- HEADER ---------- */
header{
  position:fixed;top:0;left:0;right:0;z-index:50;
  display:flex;align-items:center;justify-content:space-between;
  padding:20px 28px;
  transition:padding .35s ease, background .35s ease, border-color .35s ease;
  border-bottom:1px solid transparent;
}
header.shrink{
  padding:12px 28px;
  background:rgba(18,21,27,.86);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.brand{display:flex;align-items:center;gap:12px;font-family:"Saira Condensed";font-weight:700;font-size:1.35rem;letter-spacing:.06em}
.brand img{width:34px;height:34px;filter:invert(1)}
.brand small{display:block;font-family:"IBM Plex Sans";font-weight:500;font-size:.6rem;letter-spacing:.32em;color:var(--muted);margin-top:-2px}
nav{display:flex;align-items:center;gap:34px}
nav a.navlink{font-size:.83rem;letter-spacing:.04em;color:var(--muted);transition:color .2s}
nav a.navlink:hover{color:var(--raw)}
.tel-btn{
  font-family:"Saira Condensed";font-weight:600;font-size:1rem;letter-spacing:.02em;
  padding:9px 18px;border:1px solid var(--forge);color:var(--forge);border-radius:2px;
  transition:background .25s,color .25s;
}
.tel-btn:hover{background:var(--forge);color:#160f0a}

/* ---------- HERO ---------- */
.hero{position:relative;min-height:100vh;display:flex;align-items:flex-end;overflow:hidden}
.hero-bg{position:absolute;inset:0;z-index:0}
.hero-bg img{width:100%;height:100%;object-fit:cover;transform:scale(1.08);animation:kb 20s ease-out forwards}
@keyframes kb{to{transform:scale(1)}}
.hero-bg::after{content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(18,21,27,.62) 0%,rgba(18,21,27,.42) 42%,rgba(18,21,27,.92) 100%),
             linear-gradient(90deg,rgba(18,21,27,.75) 0%,rgba(18,21,27,.15) 60%);}
#sparks{position:absolute;inset:0;z-index:1;pointer-events:none}
.hero-inner{position:relative;z-index:2;width:100%;max-width:var(--maxw);margin:0 auto;padding:0 28px 88px}
.eyebrow{display:inline-flex;align-items:center;gap:12px;font-size:.8rem;letter-spacing:.14em;color:var(--ember);margin-bottom:22px}
.eyebrow::before{content:"";width:34px;height:2px;background:var(--forge)}
.hero h1{font-size:clamp(2.9rem,8vw,6.6rem);font-weight:800;text-transform:uppercase;max-width:14ch;
  text-shadow:0 2px 30px rgba(0,0,0,.4)}
.hero p.lead{margin-top:24px;max-width:52ch;font-size:1.12rem;color:#d5d2cc}
.hero-cta{margin-top:38px;display:flex;flex-wrap:wrap;gap:16px;align-items:center}
.btn-primary{
  font-family:"Saira Condensed";font-weight:600;font-size:1.15rem;letter-spacing:.03em;
  background:var(--forge);color:#160f0a;padding:15px 32px;border-radius:2px;
  transition:transform .2s,box-shadow .25s;box-shadow:0 8px 30px rgba(232,98,44,.28)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 38px rgba(232,98,44,.42)}
.btn-ghost{font-family:"Saira Condensed";font-weight:600;font-size:1.15rem;letter-spacing:.03em;
  padding:15px 26px;color:var(--raw);border:1px solid var(--line);border-radius:2px;transition:border-color .25s}
.btn-ghost:hover{border-color:var(--raw)}
.since{position:absolute;top:118px;right:28px;z-index:2;text-align:right;
  font-family:"Saira Condensed";font-weight:700;line-height:.9}
.since b{display:block;font-size:3.2rem;color:var(--raw)}
.since span{font-size:.72rem;letter-spacing:.28em;color:var(--muted);font-family:"IBM Plex Sans"}

/* ---------- SECTION SHELL ---------- */
section{position:relative}
.pad{padding:110px 0}
.sec-head{max-width:64ch;margin-bottom:56px}
.sec-tag{font-size:.8rem;letter-spacing:.16em;color:var(--forge);margin-bottom:14px}
.sec-head h2{font-size:clamp(2rem,4.4vw,3.4rem);text-transform:uppercase;font-weight:700}
.sec-head p{margin-top:16px;color:var(--muted);font-size:1.08rem;max-width:56ch}

/* ---------- ABOUT ---------- */
.about{background:var(--steel);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.about-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:64px;align-items:center}
.about-grid h2{font-size:clamp(1.9rem,3.6vw,2.9rem);text-transform:uppercase;margin-bottom:22px;max-width:16ch}
.about-grid p{color:#c3c8d0;margin-bottom:16px}
.about-img{position:relative;border-radius:3px;overflow:hidden;aspect-ratio:4/5}
.about-img img{width:100%;height:100%;object-fit:cover}
.about-img::after{content:"";position:absolute;inset:0;box-shadow:inset 0 0 0 1px rgba(255,255,255,.06)}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:0;margin-top:64px;
  border:1px solid var(--line);border-radius:3px;overflow:hidden}
.stat{padding:34px 26px;border-right:1px solid var(--line)}
.stat:last-child{border-right:none}
.stat b{font-family:"Saira Condensed";font-weight:700;font-size:3rem;color:var(--raw);display:block;line-height:1}
.stat b i{font-style:normal;color:var(--forge)}
.stat span{color:var(--muted);font-size:.92rem;letter-spacing:.04em}

/* ---------- SERVICES ---------- */
.svc-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--line);
  border:1px solid var(--line);border-radius:3px;overflow:hidden}
.svc{background:var(--graphite);padding:44px 40px;position:relative;transition:background .3s}
.svc:hover{background:var(--steel-2)}
.svc .idx{font-family:"Saira Condensed";font-weight:700;font-size:.95rem;color:var(--forge);letter-spacing:.1em}
.svc h3{font-size:1.7rem;text-transform:uppercase;margin:16px 0 12px}
.svc p{color:var(--muted);font-size:1rem;max-width:42ch}
.svc .bar{position:absolute;left:0;top:0;width:3px;height:0;background:var(--forge);transition:height .35s ease}
.svc:hover .bar{height:100%}

/* ---------- AREAS ---------- */
.areas{background:var(--steel);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.area-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:28px}
.area{position:relative;border-radius:3px;overflow:hidden;min-height:380px;display:flex;align-items:flex-end}
.area img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
.area:hover img{transform:scale(1.05)}
.area::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(18,21,27,.15),rgba(18,21,27,.92))}
.area-body{position:relative;z-index:2;padding:34px}
.area-body .pin{font-size:.78rem;letter-spacing:.14em;color:var(--ember);margin-bottom:10px;display:flex;align-items:center;gap:8px}
.area-body h3{font-size:1.9rem;text-transform:uppercase;margin-bottom:10px}
.area-body p{color:#cfd3da;max-width:44ch}

/* ---------- GALLERY MARQUEE ---------- */
.gallery{padding:90px 0;overflow:hidden}
.marquee{display:flex;gap:20px;width:max-content;animation:scroll 34s linear infinite}
.gallery:hover .marquee{animation-play-state:paused}
.marquee img{height:320px;width:auto;border-radius:3px;object-fit:cover;filter:grayscale(.15)}
@keyframes scroll{to{transform:translateX(-50%)}}

/* ---------- REFERENCE ---------- */
.quote{background:var(--steel);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.quote-inner{max-width:840px;margin:0 auto;text-align:center}
.quote-mark{font-family:"Saira Condensed";font-weight:800;font-size:5rem;color:var(--forge);line-height:.6}
.quote blockquote{font-family:"Saira Condensed";font-weight:600;font-size:clamp(1.6rem,3.4vw,2.6rem);
  text-transform:uppercase;line-height:1.12;margin:18px 0 34px}
.quote .who{display:inline-flex;align-items:center;gap:14px}
.quote .who img{width:52px;height:52px;border-radius:50%;object-fit:cover;border:1px solid var(--line)}
.quote .who b{font-family:"Saira Condensed";font-size:1.15rem;letter-spacing:.04em}
.quote .who span{color:var(--muted);font-size:.9rem}

/* ---------- REFERENCE SLIDER (posuvná galerie) ---------- */
.ref-gallery{position:relative;margin-top:64px}
.slider-track{
  display:flex;gap:18px;overflow-x:auto;scroll-snap-type:x mandatory;
  scroll-behavior:smooth;padding:4px;-webkit-overflow-scrolling:touch;
  scrollbar-width:none;
}
.slider-track::-webkit-scrollbar{display:none}
.slider-track img{
  flex:0 0 calc((100% - 36px)/3);scroll-snap-align:start;
  height:300px;object-fit:cover;border-radius:3px;
  border:1px solid var(--line);filter:grayscale(.12);
  transition:filter .3s,transform .3s;cursor:grab;
}
.slider-track img:hover{filter:grayscale(0);transform:translateY(-3px)}
.slider-btn{
  position:absolute;top:50%;transform:translateY(-50%);z-index:4;
  width:52px;height:52px;border-radius:50%;border:1px solid var(--line);
  background:rgba(18,21,27,.82);color:var(--raw);cursor:pointer;
  font-size:1.6rem;line-height:1;display:flex;align-items:center;justify-content:center;
  transition:background .25s,border-color .25s,color .25s;backdrop-filter:blur(6px);
}
.slider-btn:hover{background:var(--forge);border-color:var(--forge);color:#160f0a}
.slider-btn.prev{left:-14px}
.slider-btn.next{right:-14px}
.slider-dots{display:flex;justify-content:center;gap:9px;margin-top:26px}
.slider-dots button{width:9px;height:9px;border-radius:50%;border:none;padding:0;
  background:var(--line);cursor:pointer;transition:background .25s,transform .25s}
.slider-dots button.active{background:var(--forge);transform:scale(1.25)}

/* ---------- CONTACT ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start}
.contact h2{font-size:clamp(2rem,4.4vw,3.4rem);text-transform:uppercase;margin-bottom:20px}
.contact .sub{color:var(--muted);max-width:44ch;margin-bottom:34px;font-size:1.08rem}
.cbig{display:flex;flex-direction:column;gap:2px;margin-bottom:26px}
.cbig a{font-family:"Saira Condensed";font-weight:700;font-size:2rem;color:var(--raw);transition:color .2s}
.cbig a:hover{color:var(--forge)}
.cbig small{color:var(--muted);letter-spacing:.14em;font-size:.72rem}
.info-card{background:var(--steel);border:1px solid var(--line);border-radius:3px;padding:38px}
.info-row{display:flex;justify-content:space-between;padding:16px 0;border-bottom:1px solid var(--line);font-size:.98rem}
.info-row:last-child{border-bottom:none}
.info-row span:first-child{color:var(--muted)}
.info-row span:last-child{font-weight:500}
.cta-band{margin-top:30px;display:flex;gap:14px;flex-wrap:wrap}

/* ---------- FOOTER ---------- */
footer{background:var(--graphite);border-top:1px solid var(--line);padding:44px 0}
.foot{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:20px}
.foot .brand img{filter:invert(1)}
.foot small{color:var(--muted);font-size:.85rem}

/* ---------- REVEAL ---------- */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}

/* ---------- RESPONSIVE ---------- */
@media(max-width:860px){
  nav .navlink{display:none}
  .about-grid,.contact-grid{grid-template-columns:1fr;gap:40px}
  .svc-grid,.area-grid,.stats{grid-template-columns:1fr}
  .stat{border-right:none;border-bottom:1px solid var(--line)}
  .stat:last-child{border-bottom:none}
  .since{display:none}
  .hero-inner{padding-bottom:60px}
  .pad{padding:80px 0}
  .about-img{order:-1;aspect-ratio:16/10}
  .slider-track img{flex:0 0 calc((100% - 18px)/2)}
}
@media(max-width:520px){
  header{padding:14px 18px}
  header.shrink{padding:10px 18px}
  .brand{font-size:1.1rem;gap:9px}
  .brand img{width:28px;height:28px}
  .brand small{display:none}
  .tel-btn{padding:7px 12px;font-size:.9rem;white-space:nowrap}
  .wrap{padding:0 18px}
  .hero-inner{padding:0 18px 54px}
  .slider-track img{flex:0 0 86%;height:250px}
  .slider-btn{width:44px;height:44px;font-size:1.3rem}
  .slider-btn.prev{left:-6px}
  .slider-btn.next{right:-6px}
}
@media(prefers-reduced-motion:reduce){
  .hero-bg img{animation:none;transform:none}
  .marquee{animation:none}
  .reveal{opacity:1;transform:none;transition:none}
  .slider-track{scroll-behavior:auto}
}