:root{
  --dark:#171545; --dark-2:#222165;
  --blue:#222165; --blue-2:#549ED1;
  --gold:#3E7CA8; --amber:#FFED00;
  --cream:#EAF1F8; --ink:#2B2B33; --muted:#69707F;
  --line:#E3E7ED; --soft:#F5F7FA; --tint:#EAF2FA;
  --maxw:1280px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:Montserrat,'Noto Sans',system-ui,-apple-system,Segoe UI,sans-serif;font-size:15.5px;color:var(--ink);background:#fff;line-height:1.65;-webkit-font-smoothing:antialiased;overflow-x:hidden}
h1,h2,h3,h4,.anton{font-family:Montserrat,'Noto Sans',sans-serif;font-weight:800;text-transform:uppercase;line-height:1.06;letter-spacing:-.01em}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 30px}
.sec{padding:104px 0}
.sec-sm{padding:74px 0}
.soft{background:var(--soft)}
.eyebrow{font-family:Montserrat,'Noto Sans',sans-serif;font-weight:700;text-transform:none;font-size:14px;letter-spacing:.02em;color:var(--gold);letter-spacing:.01em;display:flex;align-items:center;gap:12px;margin-bottom:18px}
.eyebrow::after{content:"";height:1px;width:44px;background:var(--gold);opacity:.6}
.eyebrow.c{justify-content:center}
h2.big{font-size:clamp(28px,3.5vw,48px);color:var(--ink);max-width:20ch}
h2.big.w{color:#fff}
.p{color:var(--muted);font-size:15.5px}
.btn{display:inline-flex;align-items:center;gap:9px;padding:13px 25px;border-radius:3px;font:700 12.5px/1.2 Montserrat,'Noto Sans',sans-serif;letter-spacing:-.3px;text-transform:uppercase;transition:.25s;border:1px solid transparent;cursor:pointer;white-space:nowrap}
.btn svg{width:13px;height:13px;stroke:currentColor;fill:none;stroke-width:2}
.btn-p{background:var(--blue);color:#fff}
.btn-p:hover{background:#0b48b8;transform:translateY(-1px)}
.btn-o{border-color:rgba(255,255,255,.55);color:#fff}
.btn-o:hover{background:#fff;color:var(--dark);border-color:#fff}
.btn-d{border-color:var(--blue);color:var(--blue)}
.btn-d:hover{background:var(--blue);color:#fff}

/* header */
header{position:sticky;top:0;z-index:60;background:var(--dark);transition:.3s}
header .bar{display:flex;align-items:center;gap:34px;height:78px}
.logo img{height:38px;width:auto}
nav{display:flex;gap:26px;margin-left:auto;font-family:Montserrat,'Noto Sans',sans-serif;font-weight:600;text-transform:uppercase;font-size:12.5px;letter-spacing:.06em}
nav a{color:var(--cream);opacity:.86;transition:.2s;padding:6px 0;position:relative}
nav a:hover{opacity:1;color:#fff}
nav a::after{content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--amber);transition:.25s}
nav a:hover::after{width:100%}
.h-right{display:flex;align-items:center;gap:14px}
.langs{display:flex;gap:2px}
.langs button{background:none;border:0;color:rgba(234,241,248,.6);font:600 12px Montserrat,'Noto Sans',sans-serif;padding:6px 8px;cursor:pointer;text-transform:uppercase;transition:.2s;letter-spacing:.06em}
.langs button:hover{color:#fff}
.langs button.on{color:var(--amber);font-weight:700}
.burger{display:none;background:none;border:0;cursor:pointer;padding:6px}
.burger span{display:block;width:23px;height:2px;background:var(--cream);margin:5px 0;transition:.3s}

/* hero */
.hero{padding:16px 16px 0}
.hero-in{position:relative;min-height:86vh;display:flex;align-items:center;overflow:hidden;border-radius:4px}
.hero-bg{position:absolute;inset:0;background:url('img/projects/krovlya9.jpeg') center 60%/cover no-repeat;transform:scale(1.05);animation:zoom 24s ease-in-out infinite alternate}
@keyframes zoom{to{transform:scale(1.13)}}
.hero-in::after{content:"";position:absolute;inset:0;background:linear-gradient(95deg,rgba(23,21,69,.95) 0%,rgba(23,21,69,.74) 46%,rgba(23,21,69,.25) 100%)}
.hero-txt{position:relative;z-index:2;padding:90px 8% 80px;max-width:1180px;color:#fff}
.hero h1{font-size:clamp(38px,6.4vw,92px);max-width:14ch;letter-spacing:.002em}
.hero h1 em{font-style:normal;color:var(--amber)}
.hero .sub{font-size:16px;color:rgba(255,255,255,.8);max-width:58ch;margin-top:22px;line-height:1.7}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:34px}
.hero-meta{display:flex;gap:34px;flex-wrap:wrap;margin-top:54px;padding-top:24px;border-top:1px solid rgba(255,255,255,.18);font-size:13.5px;color:rgba(255,255,255,.72)}
.hero-meta b{font-family:Montserrat,'Noto Sans',sans-serif;font-weight:800;font-size:22px;color:#fff;display:block;letter-spacing:.02em}

/* split heading */
.split{display:grid;grid-template-columns:1.05fr 1fr;gap:60px;align-items:start}
.split .p{font-size:15.5px}
.split .p + .p{margin-top:14px}

/* numbered cards */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;margin-top:54px}
.card{background:var(--tint);overflow:hidden;transition:.3s}
.card:hover{transform:translateY(-6px);box-shadow:0 24px 50px -30px rgba(14,20,31,.55)}
.card .ph{position:relative;aspect-ratio:16/10;overflow:hidden}
.card .ph img{width:100%;height:100%;object-fit:cover;transition:.7s}
.card:hover .ph img{transform:scale(1.06)}
.card .num{position:absolute;left:0;top:0;background:var(--blue);color:#fff;font-family:Montserrat,'Noto Sans',sans-serif;font-weight:800;font-size:26px;padding:8px 18px 6px;z-index:2}
.card .bd{padding:26px 26px 30px}
.card .ci{width:34px;height:34px;margin-bottom:14px}
.card .ci svg{width:34px;height:34px;stroke:var(--blue);fill:none;stroke-width:1.5}
.card h3{font-size:19px;letter-spacing:.7px;margin-bottom:10px}
.card p{font-size:14.5px;color:var(--muted)}

/* framed block */
.framed{border:1px solid var(--line);padding:56px;max-width:760px;margin:0 auto}
.framed h2{font-size:clamp(24px,2.6vw,34px);margin-bottom:16px}
.feat{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:64px}
.feat div{padding:0 26px;border-left:1px solid var(--line)}
.feat div:first-child{border-left:0;padding-left:0}
.feat h4{font-size:16px;color:var(--blue);letter-spacing:.5px;margin-bottom:10px}
.feat p{font-size:14px;color:var(--muted)}

/* services list */
.slist{display:grid;grid-template-columns:repeat(5,1fr);gap:1px;background:var(--line);margin-top:50px;border:1px solid var(--line)}
.sitem{background:#fff;padding:30px 28px;transition:.3s;position:relative}
.sitem:hover{background:var(--dark)}
.sitem:hover h3,.sitem:hover p{color:#fff}
.sitem:hover .si svg{stroke:var(--amber)}
.si{margin-bottom:16px}
.si svg{width:28px;height:28px;stroke:var(--blue);fill:none;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round;transition:.3s}
.sitem h3{font-size:17px;letter-spacing:.6px;margin-bottom:8px;transition:.3s}
.sitem p{font-size:14px;color:var(--muted);transition:.3s}

/* dark process */
.dark{background:var(--dark);color:#fff;position:relative;overflow:hidden}
.dark::before{content:"";position:absolute;inset:0;background:url('img/pattern.png') repeat;background-size:150px auto;opacity:.07;pointer-events:none}
.dark .wrap{position:relative;z-index:2}
.dark .p{color:rgba(255,255,255,.66)}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:26px;margin-top:56px}
.step{border-top:2px solid rgba(255,255,255,.14);padding-top:22px;transition:.3s}
.step:hover{border-color:var(--amber)}
.step b{font-family:Montserrat,'Noto Sans',sans-serif;font-weight:800;font-size:13px;color:var(--amber);letter-spacing:.14em;display:block;margin-bottom:12px}
.step h3{font-size:18px;letter-spacing:.5px;margin-bottom:10px}
.step p{font-size:14px;color:rgba(255,255,255,.6)}

/* projects */
.filters{display:flex;gap:8px;flex-wrap:wrap;margin-top:30px}
.filters button{background:#fff;border:1px solid var(--line);border-radius:3px;padding:9px 18px;font:600 12.5px Montserrat,'Noto Sans',sans-serif;color:var(--muted);cursor:pointer;transition:.2s;text-transform:uppercase;letter-spacing:-.2px}
.filters button:hover{border-color:var(--blue);color:var(--blue)}
.filters button.on{background:var(--blue);border-color:var(--blue);color:#fff}
.pgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:34px}
.pcard{background:#fff;border:1px solid var(--line);transition:.3s}
.pcard:hover{box-shadow:0 24px 50px -30px rgba(14,20,31,.5);transform:translateY(-5px)}
.pcard .ph{aspect-ratio:4/3;overflow:hidden}
.pcard img{width:100%;height:100%;object-fit:cover;transition:.7s}
.pcard:hover img{transform:scale(1.06)}
.pcard .bd{padding:20px 22px 24px;display:flex;gap:14px;align-items:flex-start}
.pcard .pi{width:26px;flex:none;margin-top:2px}
.pcard .pi svg{width:26px;height:26px;stroke:var(--blue);fill:none;stroke-width:1.4}
.pcard h3{font-size:16px;letter-spacing:.6px;margin-bottom:4px}
.pcard span{font-size:13px;color:var(--muted)}
.pcard.hide{display:none}

/* brands */
.brands{display:grid;grid-template-columns:repeat(8,1fr);gap:26px;align-items:center;margin-top:46px}
.brands img{filter:grayscale(1);opacity:.5;transition:.3s;max-height:46px;width:100%;object-fit:contain}
.brands img:hover{filter:none;opacity:1}

/* faq */
.faq{background:var(--blue);color:#fff}
.faq .p{color:rgba(255,255,255,.72)}
.faq-list{margin-top:44px;display:grid;gap:10px}
.q{background:#fff;border-radius:3px;overflow:hidden}
.q>button{width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:19px 24px;background:none;border:0;text-align:left;font:600 14.5px Montserrat,'Noto Sans',sans-serif;color:var(--ink);cursor:pointer}
.q>button i{flex:none;width:11px;height:11px;border-right:2px solid var(--blue);border-bottom:2px solid var(--blue);transform:rotate(45deg) translateY(-3px);transition:.3s}
.q.open>button i{transform:rotate(-135deg) translateY(-3px)}
.q .a{max-height:0;overflow:hidden;transition:.35s ease}
.q .a p{padding:0 24px 22px;color:var(--muted);font-size:14.5px}

/* contact band */
.band{background:var(--dark-2);color:#fff;position:relative;overflow:hidden}
.band .grid{display:grid;grid-template-columns:1.1fr .9fr;align-items:center}
.band .txt{padding:96px 60px 96px 0}
.band .ph{height:100%;min-height:420px;position:relative}
.band .ph img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.band .ph::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,var(--dark-2),transparent 42%)}
.cinline{display:flex;gap:44px;flex-wrap:wrap;margin:34px 0 30px}
.cinline div b{font-family:Montserrat,'Noto Sans',sans-serif;font-weight:800;font-size:12.5px;color:var(--gold);letter-spacing:.12em;display:block;margin-bottom:5px}
.cinline div span{font-size:16px;color:#fff}

/* form */
.fgrid{display:grid;grid-template-columns:1fr 1.05fr;gap:60px;align-items:start}
form{background:var(--soft);padding:36px;border-radius:3px}
.f2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
input,textarea{width:100%;padding:14px 16px;border:1px solid var(--line);border-radius:3px;background:#fff;font:400 14.5px Montserrat,'Noto Sans',sans-serif;margin-top:12px;transition:.2s}
input:focus,textarea:focus{outline:0;border-color:var(--blue)}
textarea{min-height:118px;resize:vertical}
form .btn{margin-top:16px;width:100%;justify-content:center}
.note{font-size:12.5px;color:var(--muted);margin-top:12px;text-align:center}
.cline{display:flex;gap:16px;padding:20px 0;border-bottom:1px solid var(--line)}
.cline .ci2{width:42px;height:42px;background:var(--tint);display:grid;place-items:center;flex:none;border-radius:3px}
.cline .ci2 svg{width:19px;height:19px;stroke:var(--blue);fill:none;stroke-width:1.6}
.cline b{display:block;font-family:Montserrat,'Noto Sans',sans-serif;font-weight:800;font-size:12px;letter-spacing:.12em;color:var(--gold)}
.cline span{font-size:16px;font-weight:500}

/* footer */
footer{background:var(--dark);color:rgba(240,234,216,.6);padding:60px 0 30px;font-size:14px}
.f-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:34px;border-bottom:1px solid rgba(255,255,255,.1)}
.f-grid h4{font-size:14px;color:#fff;letter-spacing:.1em;margin-bottom:16px}
.f-grid a{display:block;padding:5px 0;transition:.2s}
.f-grid a:hover{color:var(--amber)}
.f-bot{padding-top:22px;display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;font-size:12.5px;opacity:.7}

.reveal{opacity:0;transform:translateY(24px);transition:.75s cubic-bezier(.2,.7,.3,1)}
.reveal.in{opacity:1;transform:none}

@media(max-width:1200px){.slist{grid-template-columns:repeat(3,1fr)}}
@media(max-width:1080px){
  .cards,.steps{grid-template-columns:repeat(2,1fr)}
  .feat{grid-template-columns:repeat(2,1fr);gap:26px 0}
  .feat div:nth-child(3){border-left:0;padding-left:0}
  .split{grid-template-columns:1fr;gap:28px}
  .pgrid{grid-template-columns:repeat(2,1fr)}
  .brands{grid-template-columns:repeat(4,1fr)}
  .band .grid{grid-template-columns:1fr}
  .band .txt{padding:70px 0 40px}
  .band .ph{min-height:280px}
  .band .ph::after{background:linear-gradient(0deg,rgba(22,30,44,.6),transparent 50%)}
  .fgrid{grid-template-columns:1fr;gap:32px}
  .f-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media(max-width:980px){.slist{grid-template-columns:repeat(2,1fr)}}
@media(prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none}.hero-bg{animation:none}}
@media(max-width:820px){
  .sec{padding:66px 0}
  .hero{padding:10px 10px 0}
  .hero-in{min-height:auto}
  .hero-txt{padding:64px 26px 56px}
  nav{position:fixed;inset:78px 0 auto 0;background:var(--dark);flex-direction:column;padding:14px 30px 26px;gap:0;display:none;border-top:1px solid rgba(255,255,255,.1)}
  nav.open{display:flex}
  nav a{padding:14px 0;border-bottom:1px solid rgba(255,255,255,.08);font-size:16px}
  .burger{display:block}
  .cards,.steps,.pgrid,.f2{grid-template-columns:1fr}
  .slist{grid-template-columns:1fr}
  .feat{grid-template-columns:1fr}
  .feat div{border-left:0;padding-left:0}
  .framed{padding:32px 24px}
  .f-grid{grid-template-columns:1fr}
  .cinline{gap:24px}
}