:root{
  --ink:#10171d;
  --ink-2:#1d2a33;
  --muted:#66747e;
  --line:#dde2e6;
  --paper:#ffffff;
  --mist:#f3f5f6;
  --accent:#d99545;
  --accent-dark:#b87428;
  --glass:#cfe5ef;
  --max:1220px;
  --radius:22px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:80px}
body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:var(--paper);line-height:1.55;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%}
a{color:inherit}
button,input,select,textarea{font:inherit}
button{color:inherit}
.content{width:min(var(--max),calc(100% - 40px));margin:0 auto}
.skip-link{position:absolute;left:-9999px;top:12px;background:#fff;color:#000;padding:10px 14px;z-index:9999}.skip-link:focus{left:12px}
.site-header{position:fixed;inset:0 0 auto 0;z-index:100;transition:.25s;background:linear-gradient(to bottom,rgba(10,15,19,.72),transparent)}
.site-header.scrolled{background:rgba(15,22,28,.96);box-shadow:0 1px 0 rgba(255,255,255,.1);backdrop-filter:blur(14px)}
.nav-shell{width:min(var(--max),calc(100% - 40px));height:78px;margin:auto;display:flex;align-items:center;justify-content:space-between}
.brand{display:inline-flex;align-items:baseline;text-decoration:none;letter-spacing:.03em}
.brand-rk{font-weight:900;font-size:29px;color:#fff}
.brand-install{font-weight:500;font-size:17px;margin-left:6px;color:var(--accent);letter-spacing:.18em}
.nav-menu{display:flex;align-items:center;gap:30px}
.nav-menu a{text-decoration:none;color:#fff;font-size:14px;font-weight:650;letter-spacing:.02em;position:relative}
.nav-menu>a:not(.nav-contact)::after{content:"";position:absolute;left:0;right:100%;bottom:-6px;height:1px;background:var(--accent);transition:.2s}
.nav-menu>a:hover::after{right:0}
.nav-contact{border:1px solid rgba(255,255,255,.52);padding:11px 16px;border-radius:999px}
.nav-contact:hover{background:#fff;color:var(--ink)}
.menu-toggle{display:none;width:44px;height:44px;border:0;background:transparent;place-items:center;padding:10px;cursor:pointer}
.menu-toggle span{width:24px;height:2px;background:#fff;margin:3px;display:block;transition:.2s}
.hero{min-height:92svh;position:relative;display:flex;align-items:end;color:#fff;overflow:hidden}
.hero-media{position:absolute;inset:0;background:url("images/hero-rkinstall.webp") center/cover no-repeat;transform:scale(1.02)}
.hero-shade{position:absolute;inset:0;background:linear-gradient(90deg,rgba(6,10,13,.76) 0%,rgba(6,10,13,.55) 42%,rgba(6,10,13,.16) 74%),linear-gradient(0deg,rgba(4,7,9,.55) 0%,transparent 45%)}
.hero-content{position:relative;z-index:2;padding-bottom:110px}
.eyebrow{font-size:12px;letter-spacing:.22em;font-weight:800;color:#fff;text-transform:uppercase;margin:0 0 16px}
.eyebrow.dark{color:var(--accent-dark)}
.hero h1{font-size:clamp(42px,6.1vw,82px);line-height:1.02;letter-spacing:-.045em;max-width:900px;margin:0 0 22px;font-weight:760}
.hero-lead{font-size:clamp(18px,2vw,24px);max-width:630px;color:rgba(255,255,255,.84);margin:0}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:34px}
.button{min-height:50px;display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:0 22px;border-radius:999px;border:1px solid transparent;font-weight:750;text-decoration:none;cursor:pointer;transition:.2s}
.button svg{width:18px;fill:currentColor}
.button-primary{background:var(--accent);color:#12171a}
.button-primary:hover{background:#e7a653;transform:translateY(-1px)}
.button-ghost{color:#fff;border-color:rgba(255,255,255,.52);background:rgba(0,0,0,.12);backdrop-filter:blur(6px)}
.button-ghost:hover{background:#fff;color:var(--ink)}
.scroll-cue{position:absolute;right:max(20px,calc((100vw - var(--max))/2));bottom:34px;color:#fff;text-decoration:none;display:flex;align-items:center;gap:12px;font-size:13px;z-index:3;opacity:.85}
.scroll-cue span:last-child{font-size:20px}
.section{padding:110px 0}
.intro{background:#fff}
.intro-grid{display:grid;grid-template-columns:1fr 1fr;gap:90px;align-items:start}
.section-title h2,.section-head h2,.contact h2,.partner h2{font-size:clamp(34px,4vw,56px);line-height:1.07;letter-spacing:-.035em;margin:0}
.intro-copy{font-size:19px;color:#53616b;padding-top:27px}
.intro-copy p:first-child{margin-top:0}
.intro-copy strong{color:var(--ink)}
.services{background:var(--mist)}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:30px;margin-bottom:38px}
.text-link{text-decoration:none;font-weight:750;border-bottom:1px solid var(--ink);padding-bottom:5px;white-space:nowrap}
.text-link span{margin-left:8px}
.service-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.service-card{background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:0 7px 32px rgba(22,35,43,.06)}
.service-card img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .55s}
.service-card:hover img{transform:scale(1.035)}
.service-body{padding:24px 26px 28px;position:relative}
.service-number{font-size:12px;color:var(--accent-dark);font-weight:850;letter-spacing:.12em}
.service-body h3{font-size:27px;margin:9px 0 8px;letter-spacing:-.025em}
.service-body p{color:var(--muted);margin:0}
.wide-image-band{height:min(68vw,690px);min-height:460px;background:linear-gradient(90deg,rgba(7,12,16,.72),rgba(7,12,16,.08)),url("images/03-20201119_141223.webp") center 48%/cover no-repeat;display:flex;align-items:flex-end;color:#fff;padding:80px 0}
.band-copy p{font-size:12px;letter-spacing:.22em;font-weight:800;color:var(--accent);margin:0 0 13px}
.band-copy h2{font-size:clamp(34px,4.7vw,66px);line-height:1.05;letter-spacing:-.04em;max-width:940px;margin:0}
.gallery{background:#fff}
.gallery-note{margin:0;color:var(--muted);font-size:14px}
.gallery-grid{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-flow:dense;gap:12px}
.gallery-item{position:relative;border:0;padding:0;background:#e8ecee;overflow:hidden;border-radius:15px;cursor:zoom-in;min-height:240px}
.gallery-item:nth-child(6n+1){grid-column:span 2;grid-row:span 2}
.gallery-item:nth-child(8n+4){grid-row:span 2}
.gallery-item img{width:100%;height:100%;min-height:240px;object-fit:cover;transition:transform .45s,filter .45s}
.gallery-item span{position:absolute;left:12px;bottom:12px;background:rgba(13,19,24,.76);backdrop-filter:blur(8px);color:#fff;padding:7px 10px;border-radius:999px;font-size:12px;font-weight:700;opacity:0;transform:translateY(6px);transition:.2s}
.gallery-item:hover img{transform:scale(1.035);filter:brightness(.92)}
.gallery-item:hover span{opacity:1;transform:translateY(0)}
.partner{background:var(--ink);color:#fff;overflow:hidden}
.partner-grid{display:grid;grid-template-columns:1fr .8fr;align-items:center;gap:80px}
.partner-panel p:last-child{font-size:19px;color:rgba(255,255,255,.68)}
.partner-visual{height:330px;position:relative}
.glass{position:absolute;border:1px solid rgba(255,255,255,.34);background:linear-gradient(135deg,rgba(207,229,239,.22),rgba(255,255,255,.03));backdrop-filter:blur(2px);box-shadow:inset 0 0 0 1px rgba(255,255,255,.05)}
.glass-one{width:200px;height:270px;right:150px;top:25px;transform:skewY(-6deg)}
.glass-two{width:200px;height:270px;right:50px;top:5px;transform:skewY(5deg)}
.glass-three{width:140px;height:230px;right:0;top:55px;transform:skewY(-3deg)}
.contact{background:#f7f8f8}
.contact-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:90px;align-items:start}
.contact-copy>p:not(.eyebrow){font-size:18px;color:var(--muted);max-width:480px}
.contact-links{display:grid;gap:12px;margin-top:34px}
.contact-links>a{display:flex;align-items:center;gap:14px;text-decoration:none;background:#fff;border:1px solid var(--line);padding:15px 17px;border-radius:15px;transition:.2s}
.contact-links>a:hover{border-color:#b7c0c6;transform:translateY(-1px)}
.contact-icon{width:40px;height:40px;display:grid;place-items:center;background:var(--ink);color:#fff;border-radius:50%}
.contact-links small{display:block;color:var(--muted);font-size:12px}
.contact-links strong{display:block;font-size:16px}
.contact-form{background:#fff;border:1px solid var(--line);border-radius:24px;padding:30px;box-shadow:0 16px 50px rgba(20,31,38,.06)}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.contact-form label{display:block;font-size:13px;font-weight:720;margin-bottom:14px}
.contact-form input,.contact-form select,.contact-form textarea{width:100%;margin-top:7px;border:1px solid #cfd6db;border-radius:11px;padding:12px 13px;background:#fff;color:var(--ink);outline:none;transition:.15s}
.contact-form input,.contact-form select{height:48px}
.contact-form input:focus,.contact-form select:focus,.contact-form textarea:focus{border-color:var(--accent-dark);box-shadow:0 0 0 3px rgba(216,149,69,.14)}
.contact-form textarea{resize:vertical}
.consent{display:flex!important;gap:10px;align-items:flex-start;color:var(--muted);font-weight:500!important;line-height:1.4}
.consent input{width:18px;height:18px;margin:2px 0 0;flex:0 0 auto}
.form-submit{width:100%;border:0;font-size:15px}
.form-help{font-size:12px;color:var(--muted);margin:12px 0 0;text-align:center}
.form-help a{font-weight:700}
.honey{display:none!important}
.footer{background:#0b1115;color:#fff;padding:55px 0 24px}
.footer-grid{display:grid;grid-template-columns:1.2fr .6fr .8fr;gap:50px}
.footer-brand .brand-rk{font-size:26px}
.footer-grid p{color:rgba(255,255,255,.56);max-width:370px}
.footer-links,.footer-contact{display:grid;align-content:start;gap:9px}
.footer-links a,.footer-contact a{text-decoration:none;color:rgba(255,255,255,.82)}
.footer-contact span{color:rgba(255,255,255,.52)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:36px;padding-top:20px;display:flex;justify-content:space-between;gap:20px;color:rgba(255,255,255,.43);font-size:12px}
.floating-call{position:fixed;z-index:80;right:18px;bottom:18px;width:54px;height:54px;border-radius:50%;display:none;place-items:center;background:var(--accent);color:#13191d;box-shadow:0 12px 30px rgba(0,0,0,.22)}
.floating-call svg{width:23px;fill:currentColor}
.lightbox{width:min(1100px,94vw);height:min(88vh,850px);border:0;border-radius:16px;padding:0;background:#070b0e;color:#fff;overflow:hidden}
.lightbox::backdrop{background:rgba(0,0,0,.82);backdrop-filter:blur(4px)}
.lightbox figure{margin:0;width:100%;height:100%;display:grid;grid-template-rows:1fr auto}
.lightbox img{width:100%;height:100%;min-height:0;object-fit:contain}
.lightbox figcaption{padding:12px 18px;text-align:center;font-size:13px;color:rgba(255,255,255,.7)}
.lightbox button{position:absolute;z-index:2;border:0;background:rgba(0,0,0,.55);color:#fff;cursor:pointer;display:grid;place-items:center}
.lightbox-close{top:12px;right:12px;width:42px;height:42px;border-radius:50%;font-size:28px}
.lightbox-prev,.lightbox-next{top:50%;transform:translateY(-50%);width:46px;height:62px;border-radius:10px;font-size:36px}
.lightbox-prev{left:12px}.lightbox-next{right:12px}
.reveal{opacity:0;transform:translateY(22px);transition:opacity .65s ease,transform .65s ease}
.reveal.visible{opacity:1;transform:none}

@media(max-width:960px){
  .section{padding:85px 0}
  .intro-grid,.contact-grid,.partner-grid{grid-template-columns:1fr;gap:45px}
  .intro-copy{padding-top:0}
  .service-grid{grid-template-columns:1fr 1fr}
  .service-card:last-child{grid-column:1/-1;display:grid;grid-template-columns:1fr 1fr}
  .service-card:last-child img{height:100%;aspect-ratio:auto}
  .gallery-grid{grid-template-columns:repeat(3,1fr)}
  .gallery-item:nth-child(6n+1){grid-column:span 2}
  .partner-visual{height:220px}
}
@media(max-width:720px){
  .content,.nav-shell{width:min(100% - 28px,var(--max))}
  .site-header{background:rgba(15,22,28,.72);backdrop-filter:blur(10px)}
  .nav-shell{height:68px}
  .brand-rk{font-size:25px}.brand-install{font-size:14px}
  .menu-toggle{display:block}
  .nav-menu{position:fixed;top:68px;left:0;right:0;background:#10171d;padding:20px 18px 26px;display:none;flex-direction:column;align-items:stretch;gap:0;border-top:1px solid rgba(255,255,255,.1)}
  .nav-menu.open{display:flex}
  .nav-menu a{padding:13px 8px;font-size:16px}
  .nav-contact{margin-top:8px;text-align:center;border-radius:12px}
  .hero{min-height:86svh}
  .hero-content{padding-bottom:82px}
  .hero h1{font-size:clamp(40px,12vw,58px)}
  .hero-shade{background:linear-gradient(90deg,rgba(6,10,13,.77),rgba(6,10,13,.4)),linear-gradient(0deg,rgba(4,7,9,.55),transparent 50%)}
  .hero-actions{align-items:stretch;flex-direction:column;width:min(100%,360px)}
  .button{width:100%}
  .scroll-cue{display:none}
  .section{padding:72px 0}
  .intro-grid{gap:28px}
  .section-head{align-items:start;flex-direction:column;gap:12px;margin-bottom:28px}
  .service-grid{grid-template-columns:1fr}
  .service-card:last-child{grid-column:auto;display:block}
  .service-card:last-child img{aspect-ratio:4/3}
  .wide-image-band{min-height:520px;height:70vh;padding:54px 0}
  .gallery-grid{grid-template-columns:1fr 1fr;gap:8px}
  .gallery-item,.gallery-item img{min-height:190px}
  .gallery-item:nth-child(6n+1){grid-column:span 2;grid-row:span 1}
  .gallery-item:nth-child(8n+4){grid-row:span 1}
  .gallery-item span{opacity:1;transform:none}
  .field-row{grid-template-columns:1fr;gap:0}
  .contact-form{padding:21px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column}
  .floating-call{display:grid}
}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{transition-duration:.001ms!important;animation-duration:.001ms!important;animation-iteration-count:1!important}
  .reveal{opacity:1;transform:none}
}