@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Montserrat:wght@700;800;900&display=swap');

:root{--orange:#ff7a24;--orange-2:#ff914d;--black:#0b0c0e;--black-2:#17191c;--paper:#eeece6;--white:#fff;--muted:#646568;--line:#cbc9c2;--max:1600px;--display:"Montserrat",Arial,sans-serif}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--black);color:var(--black);font-family:Inter,Arial,sans-serif;line-height:1.55}
body.menu-open{overflow:hidden}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button,input,textarea{font:inherit}
h1,h2,h3,p{margin-top:0}
h1,h2,h3{font-family:var(--display);font-weight:900;text-transform:uppercase;line-height:.94;letter-spacing:-.055em}
h1{font-size:clamp(3.6rem,6.2vw,7rem);margin-bottom:1.5rem}
h2{font-size:clamp(2.8rem,4.3vw,5rem);margin-bottom:1.25rem}
h3{font-size:clamp(1.35rem,2vw,2rem)}
.skip-link{position:fixed;left:1rem;top:-5rem;z-index:1000;background:#fff;color:#000;padding:.8rem 1rem}.skip-link:focus{top:1rem}
.site-header{height:92px;max-width:var(--max);margin:auto;padding:10px 4vw;display:flex;align-items:center;justify-content:space-between;background:var(--black);border-bottom:1px solid rgba(255,122,36,.45);color:var(--orange);position:fixed;left:50%;top:0;transform:translateX(-50%);width:100%;z-index:100;transition:height .3s}
.site-header.is-scrolled,.site-header--solid{height:78px;background:var(--black)}
.site-header::after,.dark-section::after{content:"";position:absolute;inset:0;pointer-events:none;background:linear-gradient(125deg,transparent 30%,rgba(255,255,255,.045) 30% 35%,transparent 35% 70%,rgba(255,255,255,.035) 70% 75%,transparent 75%)}
.brand{position:relative;z-index:2;width:86px;flex:none}.brand img{width:100%;height:auto}
.main-nav{display:flex;align-items:center;gap:clamp(1.2rem,2.5vw,3.2rem);font-weight:600;text-transform:uppercase;font-size:.72rem;letter-spacing:.13em;position:relative;z-index:2}
.main-nav>a:not(.button){padding:.65rem 0;border-bottom:3px solid transparent}.main-nav>a:hover,.main-nav>a:focus-visible,.main-nav .is-active{border-color:var(--orange)!important}
.menu-toggle{display:none;background:none;border:0;width:48px;height:48px;padding:9px;position:relative;z-index:3}.menu-toggle span{display:block;height:3px;background:var(--orange);margin:6px 0;transition:.25s}
.button{display:inline-flex;align-items:center;justify-content:center;gap:2.2rem;min-height:58px;padding:1rem 1.7rem;border:1px solid transparent;font-size:.78rem;letter-spacing:.08em;font-weight:800;text-transform:uppercase;transition:.25s;cursor:pointer}
.button:hover,.button:focus-visible{transform:translateY(-2px);filter:brightness(1.05)}
.button--orange{background:var(--orange);color:#fff}.button--dark{background:var(--black);color:#fff}.nav-cta{min-height:48px;color:var(--black);border-color:var(--orange)}
.hero{max-width:var(--max);margin:auto;display:block;min-height:min(100svh,960px);height:clamp(760px,100svh,960px);overflow:hidden;background:var(--black);position:relative;color:#fff}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(5,6,7,.92) 0%,rgba(5,6,7,.72) 35%,rgba(5,6,7,.18) 72%,rgba(5,6,7,.32) 100%),linear-gradient(0deg,rgba(5,6,7,.72),transparent 45%);z-index:1;pointer-events:none}
.hero-copy{padding:clamp(12rem,20vh,15rem) 4vw 6rem;position:relative;z-index:3;width:min(940px,70%);margin:0;background:none}
.hero-meta{font-size:.67rem;letter-spacing:.22em;font-weight:700;color:#d6d6d6;margin-bottom:2rem}
.hero-copy h1{max-width:920px;font-size:clamp(4.8rem,7.2vw,7.8rem);color:#fff;margin-bottom:1.6rem}.hero-lead{max-width:590px;font-size:clamp(1rem,1.25vw,1.22rem);color:#d5d5d5;margin-bottom:2.2rem}
.hero-actions{display:flex;align-items:center}.button--ghost{border-color:rgba(255,255,255,.48);color:#fff;background:rgba(10,11,13,.2)}.button--ghost:hover{background:#fff;color:#111}
.hero-media{position:absolute;inset:0;background:url("assets/hero-evening.webp") 58% center/cover no-repeat;z-index:0}
.hero-media::after{display:none}
.hero-caption{position:absolute;right:5vw;bottom:9%;width:min(330px,28vw);background:rgba(238,236,230,.96);color:var(--black);padding:1.5rem 1.7rem;z-index:4;border-bottom:3px solid var(--orange);display:grid;gap:.65rem}.hero-caption span{font-size:.62rem;letter-spacing:.14em;color:#8c3b15}.hero-caption strong{font-family:var(--display);font-weight:900;font-size:1.05rem;letter-spacing:-.035em;text-transform:uppercase}
.hero-scroll{position:absolute;right:1.3rem;top:45%;z-index:4;color:#fff;display:grid;justify-items:center;gap:.8rem}.hero-scroll span{font-size:.55rem;letter-spacing:.18em;writing-mode:vertical-rl}.hero-scroll i{display:block;width:1px;height:70px;background:linear-gradient(#fff,transparent)}
.eyebrow{display:flex;align-items:center;gap:1rem;font-family:var(--display);font-size:.92rem;font-weight:800;letter-spacing:.04em;text-transform:uppercase;color:var(--orange)}
.eyebrow::before{content:"";width:52px;height:4px;background:currentColor}.eyebrow--light{color:#fff}.eyebrow--dark{color:var(--orange)}
.benefits{max-width:var(--max);margin:auto;display:grid;grid-template-columns:repeat(3,1fr);background:var(--paper);padding:0 4vw;border-bottom:1px solid var(--line)}
.benefit{display:flex;align-items:center;justify-content:flex-start;gap:1.4rem;padding:2rem 2.2rem;font-family:var(--display);font-weight:800;text-transform:uppercase;font-size:1rem;letter-spacing:-.025em;border-right:1px solid var(--line)}.benefit:last-child{border:0}.benefit-icon{font-family:Inter,sans-serif;font-size:.65rem;letter-spacing:.12em;color:var(--orange)}
.dark-section{background:var(--black);color:#fff;position:relative;overflow:hidden}
.about{max-width:var(--max);margin:auto;display:grid;grid-template-columns:42% 1fr;min-height:650px}
.about-photo{background:url("assets/byty-hlubocinka.webp") center/cover no-repeat;clip-path:polygon(0 0,100% 0,83% 100%,0 100%);position:relative;z-index:2}
.about-copy{padding:clamp(5rem,9vw,9rem);position:relative;z-index:2;max-width:920px}.about-copy h2{font-size:clamp(3.6rem,5vw,5.7rem)}.about-copy p{font-size:1.05rem;color:#c9c9c9;max-width:650px}.about-points{display:flex;flex-wrap:wrap;gap:0;margin-top:3rem;border-top:1px solid #414347}.about-points span{border-right:1px solid #414347;padding:1rem 1.4rem 1rem 0;margin-right:1.4rem;text-transform:uppercase;font-size:.66rem;letter-spacing:.12em}
.section{max-width:var(--max);margin:auto;padding:clamp(6rem,10vw,11rem) 4vw;background:var(--paper)}.section-heading{max-width:930px;margin-bottom:4.5rem}.section-heading h2{font-size:clamp(3.8rem,5.6vw,6.3rem)}.section-heading>p:last-child{color:var(--muted);font-size:1.05rem}.section-heading--row{max-width:none;display:flex;align-items:end;justify-content:space-between;gap:2rem}
.service-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:0;border-top:1px solid var(--line)}.service-card{min-height:250px;background:transparent;border:0;border-bottom:1px solid var(--line);padding:2.5rem 2rem 2.5rem 0;display:grid;grid-template-columns:70px 1fr;align-content:center;transition:.3s}.service-card:nth-child(odd){border-right:1px solid var(--line)}.service-card:nth-child(even){padding-left:2.5rem}.service-card:hover{transform:none;background:rgba(255,255,255,.5);padding-right:2rem}.service-card>span{color:var(--orange);font-size:.65rem;letter-spacing:.12em;font-weight:800;grid-row:1/3}.service-card h3{margin:0 0 .7rem;font-size:clamp(2.2rem,3vw,3.4rem)}.service-card p{margin:0;color:var(--muted);max-width:520px}.service-card--orange{background:var(--orange);color:#fff;padding-left:2.5rem}.service-card--orange>span,.service-card--orange p{color:#fff}.service-card--dark{background:var(--black);color:#fff;padding-left:2.5rem}.service-card--dark p{color:#d6d6d6}
.text-link{font-weight:800;text-transform:uppercase;border:1px solid var(--black);padding:.8rem 1.1rem;white-space:nowrap}.text-link:hover{background:var(--black);color:#fff}
.reference-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:1.2rem}.project-card{background:var(--black);color:#fff;overflow:hidden;position:relative}.project-card:nth-child(1){grid-column:span 7}.project-card:nth-child(2){grid-column:span 5}.project-card:nth-child(3){grid-column:span 12;display:grid;grid-template-columns:1.55fr .85fr}.project-card img{width:100%;height:100%;min-height:430px;object-fit:cover;transition:.6s;filter:saturate(.85)}.project-card:hover img{transform:scale(1.025);filter:saturate(1)}.project-card>div{padding:2rem}.project-card p{color:var(--orange);font-size:.65rem;text-transform:uppercase;letter-spacing:.12em}.project-card h3{margin-bottom:.8rem;font-size:clamp(2.4rem,3.7vw,4.2rem)}.project-card span{display:block;color:#d2d2d2;min-height:3.2rem}.project-card a{display:inline-block;margin-top:1.5rem;color:var(--orange);font-size:.72rem;letter-spacing:.08em;font-weight:700;text-transform:uppercase}
.contact{max-width:var(--max);margin:auto;padding:clamp(6rem,10vw,11rem) 4vw;display:grid;grid-template-columns:1fr 1.05fr;gap:clamp(3rem,9vw,9rem)}.contact>div,.contact>form{position:relative;z-index:2}.contact-intro h2{font-size:clamp(3.7rem,5.6vw,6.2rem)}.contact-intro p{color:#c8c8c8;max-width:580px}.contact-email{display:inline-block;color:var(--orange);font-size:clamp(1.4rem,2vw,2rem);font-weight:700;margin-top:1rem}
.contact-form{display:grid;gap:1rem}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:1rem}.contact-form label{display:grid;gap:.4rem;font-size:.82rem;text-transform:uppercase;font-weight:700;color:#d2d2d2}.contact-form input,.contact-form textarea{width:100%;border:1px solid #4b4d50;background:#181a1d;color:#fff;padding:1rem;outline:none}.contact-form input:focus,.contact-form textarea:focus{border-color:var(--orange)}.contact-form .consent{display:flex;grid-auto-flow:column;justify-content:start;align-items:start;text-transform:none;font-weight:400}.consent input{width:auto;margin-top:.25rem}.contact-form .button{justify-self:start}.form-note{font-size:.8rem;color:#a8a8a8}.form-note.is-success{color:var(--orange)}
.site-footer{max-width:var(--max);margin:auto;background:var(--black);color:#fff;border-top:1px solid #3b3d40;padding:1.8rem 4vw;display:grid;grid-template-columns:110px 1fr 1fr 1.5fr auto;align-items:center;gap:2rem}.brand--footer{width:76px}.site-footer>div{display:grid}.site-footer span,.site-footer a{color:#d2d2d2}.site-footer nav{display:flex;gap:1.2rem;flex-wrap:wrap}.site-footer small{color:#888}
.reveal{opacity:0;transform:translateY(20px);transition:opacity .6s,transform .6s}.reveal.is-visible{opacity:1;transform:none}
.reference-page{max-width:var(--max);margin:auto}.reference-hero{padding:clamp(10rem,14vw,14rem) 7vw clamp(6rem,10vw,10rem)}.reference-hero h1{max-width:1100px}.reference-hero>p:last-child{max-width:700px;color:#c9c9c9;font-size:1.2rem}.project-detail{display:grid;grid-template-columns:1.05fr 1fr;gap:clamp(2rem,6vw,6rem);padding:clamp(4rem,7vw,7rem) 4vw;background:#fff;align-items:center}.project-detail--reverse{background:var(--paper)}.project-detail--reverse img{order:2}.project-detail img{width:100%;aspect-ratio:1.35;object-fit:cover}.project-detail p{color:var(--muted)}.project-detail dl{display:grid;grid-template-columns:1fr 1fr;gap:1rem;margin:2rem 0}.project-detail dl div{border-top:2px solid var(--orange);padding-top:.7rem}.project-detail dt{font-size:.75rem;text-transform:uppercase;color:var(--muted)}.project-detail dd{margin:.25rem 0 0;font-weight:700}.mini-cta{display:flex;align-items:center;justify-content:space-between;gap:2rem;padding:4rem}.mini-cta h2{margin:0;font-size:clamp(2.7rem,4vw,4.5rem)}
@media(max-width:1000px){.main-nav{position:fixed;inset:0;background:var(--black);padding:8rem 2rem 3rem;display:flex;flex-direction:column;align-items:stretch;justify-content:flex-start;transform:translateX(100%);transition:.3s;font-size:1.5rem}.main-nav.is-open{transform:none}.menu-toggle{display:block}.menu-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(9px) rotate(45deg)}.menu-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}.menu-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-9px) rotate(-45deg)}.hero-copy{width:85%;padding-top:12rem}.hero-copy h1{font-size:clamp(5.5rem,12vw,8rem)}.hero-caption{width:300px}.service-grid{grid-template-columns:1fr}.service-card:nth-child(odd){border-right:0}.service-card:nth-child(even){padding-left:0}.service-card--orange,.service-card--dark{padding-left:2rem!important}.reference-grid{grid-template-columns:1fr}.project-card:nth-child(1),.project-card:nth-child(2),.project-card:nth-child(3){grid-column:auto}.project-card:nth-child(3){display:block}.contact{grid-template-columns:1fr}.site-footer{grid-template-columns:90px 1fr 1fr}.site-footer nav{grid-column:1/-1}.site-footer small{grid-column:1/-1}}
@media(max-width:700px){.site-header{height:76px;padding:8px 1.4rem}.brand{width:70px}.hero{height:820px;min-height:820px}.hero::after{background:linear-gradient(90deg,rgba(5,6,7,.9),rgba(5,6,7,.36)),linear-gradient(0deg,rgba(5,6,7,.68),transparent 48%)}.hero-copy{width:100%;padding:11rem 1.4rem 5rem}.hero-meta{font-size:.55rem}.hero-copy h1{font-size:clamp(4.4rem,19vw,6rem);max-width:360px}.hero-lead{font-size:.95rem;max-width:330px}.hero-actions{align-items:stretch;flex-direction:column;width:min(310px,100%)}.button--ghost{border-top:0}.hero-media{background-position:64% center}.hero-caption{right:1.4rem;bottom:3rem;width:calc(100% - 2.8rem);padding:1rem 1.2rem}.hero-scroll{display:none}.benefits{grid-template-columns:1fr;padding:0 1.4rem}.benefit{justify-content:flex-start;border-right:0;border-bottom:1px solid var(--line);padding:1.2rem 0}.benefit:last-child{border-bottom:0}.about{grid-template-columns:1fr}.about-photo{min-height:280px;clip-path:none}.about-copy{padding:4rem 1.4rem}.about-copy h2{font-size:4rem}.about-points span{width:100%;border-right:0;border-bottom:1px solid #414347;margin:0;padding:1rem 0}.section{padding:5rem 1.4rem}.section-heading{margin-bottom:3rem}.section-heading h2{font-size:4.5rem}.section-heading--row{align-items:flex-start;flex-direction:column}.service-card{min-height:210px;grid-template-columns:48px 1fr;padding:2rem 0}.service-card--orange,.service-card--dark{padding:2rem 1.2rem!important}.project-card img{min-height:300px}.contact{padding:5rem 1.4rem}.contact-intro h2{font-size:4.7rem}.form-row{grid-template-columns:1fr}.contact-form .button{width:100%}.site-footer{grid-template-columns:70px 1fr;padding:1.5rem 1.4rem}.site-footer>div:nth-of-type(2),.site-footer nav,.site-footer small{grid-column:1/-1}.project-detail{grid-template-columns:1fr;padding:3.5rem 1.4rem}.project-detail--reverse img{order:0}.project-detail dl{grid-template-columns:1fr}.reference-hero{padding:9rem 1.4rem 4rem}.reference-hero h1{font-size:4rem}.mini-cta{align-items:flex-start;flex-direction:column;padding:3rem 1.4rem}}
/* Typografie vychází z geometrické, robustní kresby logotypu RKR stav. */
.service-card h3{font-size:clamp(1.8rem,2.5vw,2.8rem)}
.project-card h3{font-size:clamp(1.9rem,3vw,3.3rem)}
@media(max-width:1000px){.site-header{left:0;transform:none;max-width:none}.hero-copy h1{font-size:clamp(4.4rem,9vw,6.4rem)}}
@media(max-width:700px){.hero-copy h1{font-size:clamp(3.15rem,13.5vw,4rem);line-height:.96;max-width:350px}.about-copy h2{font-size:3rem}.section-heading h2{font-size:3.1rem}.contact-intro h2{font-size:3.2rem}.reference-hero h1{font-size:3rem}.hero-caption strong{font-size:.95rem}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}.reveal{opacity:1;transform:none}}