:root{--concrete:#e8e9eb;--panel:#f6f6f4;--ink:#121417;--signal:#f5c400;--steel:#555f6a;--line:#c6c9ce;--font:"Helvetica Neue",Helvetica,Arial,system-ui,sans-serif;--w:1320px}
*,*::before,*::after{box-sizing:border-box}
body,h1,h2,h3,p,dl,dd,figure,address{margin:0}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{font:17px/1.65 var(--font);color:var(--ink);background:var(--concrete);-webkit-font-smoothing:antialiased}
svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
ul,dl{list-style:none;margin:0;padding:0}
address{font-style:normal}
.wrap{width:min(var(--w),100% - 56px);margin-inline:auto}
.skip{position:absolute;left:-999px}.skip:focus{left:12px;top:12px;background:var(--ink);color:#fff;padding:8px 14px;z-index:99}
:focus-visible{outline:3px solid var(--ink);outline-offset:3px}
h1,h2,h3{font-weight:800;letter-spacing:-.03em;line-height:1.05}
h2{font-size:clamp(2.1rem,4.2vw,3.5rem)}
h3{font-size:1.3rem;letter-spacing:-.015em;line-height:1.2}
p+p{margin-top:1.1em}

/* buttons and links */
.btn{display:inline-block;background:var(--ink);color:#fff;padding:16px 30px;border:2px solid var(--ink);border-radius:99px;font:700 1rem var(--font);cursor:pointer;transition:background .25s,color .25s,transform .25s}
.btn:hover{background:var(--signal);color:var(--ink);transform:translateY(-2px)}
.btn-sm{padding:9px 20px;font-size:.92rem}
.link{font-weight:700;border-bottom:3px solid var(--signal);padding-bottom:2px;transition:border-color .2s,background .2s}
.link:hover{background:var(--signal)}

/* header */
.site-header{position:sticky;top:0;z-index:50;background:var(--concrete);transition:box-shadow .3s}
.site-header.scrolled{box-shadow:0 1px 0 var(--line)}
.bar{display:flex;align-items:center;justify-content:space-between;height:76px}
.logo{display:flex;align-items:center;gap:12px;font-weight:800;font-size:1.2rem;letter-spacing:-.02em}
.nav{display:flex;align-items:center;gap:34px;font-weight:600;font-size:.97rem}
.nav a:not(.btn){background:linear-gradient(var(--signal),var(--signal)) 0 100%/0 3px no-repeat;padding-bottom:3px;transition:background-size .3s}
.nav a:not(.btn):hover{background-size:100% 3px}
.burger{display:none;position:relative;width:44px;height:44px;background:none;border:0;cursor:pointer}
.burger span{position:absolute;left:9px;right:9px;height:3px;background:var(--ink);transition:transform .3s}
.burger span:first-child{top:17px}.burger span:last-child{top:25px}
.burger[aria-expanded=true] span:first-child{transform:translateY(4px) rotate(45deg)}
.burger[aria-expanded=true] span:last-child{transform:translateY(-4px) rotate(-45deg)}

/* hero */
.hero{padding-top:56px}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center}
h1{font-size:clamp(2.7rem,6vw,5.4rem);letter-spacing:-.045em;line-height:.98;animation:rise .9s cubic-bezier(.2,.7,.2,1) both}
.lead{font-size:1.2rem;color:var(--steel);max-width:60ch;margin:28px 0 36px;animation:rise .9s .15s cubic-bezier(.2,.7,.2,1) both}
.cta{display:flex;flex-wrap:wrap;gap:28px;align-items:center;animation:rise .9s .3s cubic-bezier(.2,.7,.2,1) both}
.art{position:relative;aspect-ratio:1;display:grid;place-items:center}
.disc{position:absolute;inset:6%;background:var(--signal);border-radius:50%}
.art svg{position:relative;width:96%}
.draw circle,.draw path{stroke-dasharray:1;stroke-dashoffset:1;animation:draw 1.8s .3s ease forwards}
.dim{animation:fade 1s 1.4s both}
.strip{display:grid;grid-template-columns:repeat(3,1fr);margin-top:72px;border-top:3px solid var(--ink)}
.strip p{margin:0;padding:24px 28px 28px 0;display:flex;flex-direction:column;color:var(--steel)}
.strip p+p{padding-left:28px;border-left:1px solid var(--line)}
.strip strong{color:var(--ink);font-size:1.2rem;letter-spacing:-.01em}
@keyframes rise{from{opacity:0;transform:translateY(24px)}}
@keyframes draw{to{stroke-dashoffset:0}}
@keyframes fade{from{opacity:0}}

/* about */
.about{padding:110px 0 100px}
.about-grid{display:grid;grid-template-columns:5fr 6fr;gap:80px}
.about h2{position:sticky;top:110px;align-self:start}
.about-text{font-size:1.1rem}
.facts{display:grid;grid-template-columns:repeat(4,1fr);margin-top:80px;background:var(--panel)}
.facts div{padding:28px 28px 32px;border-left:1px solid var(--line)}
.facts div:first-child{border-left:0}
.facts dt{font-size:.85rem;color:var(--steel);margin-bottom:6px}
.facts dd{font-weight:700;font-size:1.1rem;line-height:1.35}
.approach{display:grid;grid-template-columns:repeat(3,1fr);gap:48px;margin-top:64px}
.approach article{border-top:3px solid var(--signal);padding-top:22px}
.approach p{margin-top:10px;color:var(--steel)}

/* services */
.services{background:var(--panel);padding:110px 0}
.sec-head{display:grid;grid-template-columns:5fr 4fr;gap:80px;align-items:end;margin-bottom:56px}
.sec-head p{color:var(--steel);font-size:1.1rem}
.svc{display:grid;grid-template-columns:200px 1fr;gap:32px;padding:38px 24px 38px 0;border-top:1px solid var(--line);transition:background .3s,padding .3s,box-shadow .3s}
.svc:last-child{border-bottom:1px solid var(--line)}
.svc:hover{background:#fff;padding-left:24px;box-shadow:inset 6px 0 0 var(--signal)}
.tag{align-self:start;justify-self:start;background:var(--ink);color:#fff;font-size:.85rem;font-weight:600;padding:4px 14px;border-radius:99px}
.svc p{margin-top:10px;color:var(--steel);max-width:68ch}

/* benefits */
.benefits{background:var(--ink);color:#fff;padding:110px 0}
.benefits h2{max-width:14ch;margin-bottom:56px}
.mosaic{display:grid;grid-template-columns:repeat(6,1fr);gap:16px}
.b{grid-column:span 2;padding:34px 30px 38px;border:1px solid #3a3f47;transition:transform .3s,border-color .3s}
.b:hover{transform:translateY(-4px);border-color:var(--signal)}
.b p{margin-top:12px;color:#b9bec6}
.b1,.b2{grid-column:span 3;min-height:240px;display:flex;flex-direction:column;justify-content:flex-end}
.b1{background:var(--signal);border-color:var(--signal);color:var(--ink)}
.b1 p{color:#2b2a12}
.b1 h3,.b2 h3{font-size:1.9rem}
.b2{border-radius:0 0 0 90px}

/* contact */
.contact{padding:110px 0}
.contact-grid{display:grid;grid-template-columns:5fr 6fr;gap:80px;align-items:start}
.contact-info>p{margin:22px 0 32px;color:var(--steel);font-size:1.1rem}
.contact address{background:var(--panel);border-left:6px solid var(--signal);padding:24px 28px;margin-bottom:28px;line-height:1.6}
.contact address a{font-weight:700;border-bottom:2px solid var(--signal)}
.form{background:var(--panel);padding:40px;display:grid;gap:20px}
.form label{display:grid;gap:6px;font-weight:700;font-size:.95rem}
.form input,.form select,.form textarea{font:400 1rem var(--font);padding:13px 14px;border:1.5px solid #9aa0a8;border-radius:0;background:#fff;color:var(--ink);width:100%;transition:border-color .2s,box-shadow .2s}
.form input:focus,.form select:focus,.form textarea:focus{outline:0;border-color:var(--ink);box-shadow:0 0 0 3px var(--signal)}
.form [aria-invalid=true]{border-color:#b3261e}
.err{color:#b3261e;font-weight:500;font-size:.88rem;min-height:0}
.form .btn{justify-self:start}
.status{margin:0;font-weight:600}.status.ok{color:#1d6b3a}.status.bad{color:#b3261e}

/* footer */
.footer{background:var(--ink);color:#b9bec6;padding:64px 0 28px;font-size:.97rem}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:48px}
.logo-f{color:#fff;font-weight:800;font-size:1.3rem;margin-bottom:10px}
.footer a:hover{color:var(--signal)}
.footer nav{display:grid;gap:8px;align-content:start}
.copy{margin-top:48px;padding-top:22px;border-top:1px solid #3a3f47;font-size:.88rem}

/* scroll reveal */
.js .reveal{opacity:0;transform:translateY(14px);transition:opacity .7s,transform .7s}
.js .reveal.in{opacity:1;transform:none}

/* responsive */
@media(max-width:960px){
  .hero-grid,.about-grid,.sec-head,.contact-grid{grid-template-columns:1fr;gap:40px}
  .art{max-width:520px}
  .about h2{position:static}
  .facts,.approach{grid-template-columns:1fr 1fr}
  .facts div:nth-child(3){border-left:0}
  .approach article:last-child{grid-column:span 2}
  .strip{grid-template-columns:1fr}
  .strip p+p{padding-left:0;border-left:0;border-top:1px solid var(--line)}
  .mosaic{grid-template-columns:1fr 1fr}
  .b,.b1,.b2{grid-column:span 1}
  .mosaic .b:last-child{grid-column:span 2}
  .foot-grid{grid-template-columns:1fr 1fr}
  .burger{display:block}
  .nav{position:absolute;top:76px;left:0;right:0;background:var(--concrete);flex-direction:column;align-items:flex-start;gap:20px;padding:24px 28px 32px;border-bottom:1px solid var(--line);display:none}
  .nav.open{display:flex}
}
@media(max-width:640px){
  body{font-size:16px}
  .wrap{width:calc(100% - 40px)}
  .about,.services,.benefits,.contact{padding:72px 0}
  .facts,.approach,.mosaic,.foot-grid{grid-template-columns:1fr}
  .facts div{border-left:0;border-top:1px solid var(--line)}
  .facts div:first-child{border-top:0}
  .approach article:last-child,.mosaic .b:last-child{grid-column:auto}
  .svc{grid-template-columns:1fr;gap:14px}
  .form{padding:26px 20px}
  .cta{gap:20px}
}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .draw circle,.draw path{stroke-dashoffset:0}.js .reveal{opacity:1;transform:none}
}