:root{
  --navy:#0b1f33;
  --navy-2:#132b42;
  --navy-3:#1d3b56;
  --amber:#f2a21b;
  --amber-soft:#f7b842;
  --ink:#17212b;
  --muted:#66727f;
  --line:#dfe5ea;
  --surface:#ffffff;
  --soft:#f4f6f8;
  --page:#edf1f4;
  --shadow:0 22px 60px rgba(11,31,51,.10);
  --radius:18px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:112px}
body{
  font-family:Arial,Helvetica,sans-serif;
  color:var(--ink);
  line-height:1.65;
  background:var(--page);
}
img{max-width:100%}
a{color:inherit}
.site-header{
  min-height:102px;
  background:var(--navy);
  color:#fff;
  padding:14px 60px;
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  gap:28px;
  position:sticky;
  top:0;
  z-index:1000;
  box-shadow:0 2px 18px rgba(0,0,0,.18);
}
.brand{justify-self:start;text-decoration:none;display:block}
.brand img{height:66px;width:auto;display:block}
.main-nav{display:flex;align-items:center;gap:34px;justify-content:center}
.main-nav a{
  text-decoration:none;color:#fff;font-size:15px;font-weight:600;
  white-space:nowrap;transition:.2s ease
}
.main-nav a:hover,.main-nav a[aria-current="page"]{color:var(--amber)}
.header-email{
  justify-self:end;color:#fff;text-decoration:none;font-size:14px;font-weight:700;
  border:1px solid var(--amber);border-radius:8px;padding:11px 16px;white-space:nowrap
}
.header-email:hover{background:var(--amber);color:var(--navy)}

.home-hero{
  min-height:680px;
  padding:88px 60px;
  display:flex;
  align-items:center;
  color:#fff;
  background:
    linear-gradient(90deg,rgba(2,15,28,.99) 0%,rgba(2,15,28,.94) 34%,rgba(4,22,40,.63) 58%,rgba(4,22,40,.12) 100%),
    url("./artel-hero.png") center right/cover no-repeat;
}
.home-hero-inner{width:min(1180px,100%);margin:auto}
.home-hero-copy{max-width:760px}
.home-hero h1{font-size:72px;line-height:.98;letter-spacing:.2px;margin-bottom:24px}
.home-hero h1 span{color:var(--amber)}
.hero-services{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px;
  margin-bottom:28px;font-size:15px;font-weight:600;letter-spacing:.5px;color:#eef4f8
}
.hero-services b{color:var(--amber);font-weight:600}
.home-hero p{max-width:760px;font-size:20px;color:#e5ebf0;margin-bottom:34px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  text-decoration:none;font-weight:800;border-radius:6px;padding:14px 26px;
  background:var(--amber);color:var(--navy);transition:.2s ease
}
.btn:hover{transform:translateY(-2px);background:var(--amber-soft)}
.btn-dark{background:var(--navy);color:#fff}
.btn-dark:hover{background:var(--navy-2)}

.home-section{padding:82px 60px;background:#fff}
.home-section.soft{background:var(--soft)}
.home-wrap{width:min(1180px,100%);margin:auto}
.section-head{text-align:center;max-width:780px;margin:0 auto 44px}
.section-head h2{font-size:38px;line-height:1.15;color:var(--navy)}
.section-head p{margin-top:12px;color:var(--muted);font-size:17px}
.accent{width:54px;height:4px;background:var(--amber);margin:16px auto 0}
.service-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.service-card{
  display:block;background:#fff;border:1px solid var(--line);border-top:4px solid var(--amber);
  border-radius:0 0 12px 12px;padding:34px 30px;text-decoration:none;
  box-shadow:0 8px 24px rgba(11,31,51,.035);transition:.22s ease
}
.service-card:hover{transform:translateY(-5px);box-shadow:0 18px 34px rgba(11,31,51,.10)}
.service-no{font-size:12px;font-weight:800;letter-spacing:1.5px;color:var(--amber);margin-bottom:12px}
.service-card h3{font-size:22px;color:var(--navy);margin-bottom:10px}
.service-card p{color:var(--muted);font-size:15px}
.service-more{display:inline-block;margin-top:18px;color:var(--navy);font-weight:800;font-size:13px}
.about-copy{max-width:920px;margin:auto;text-align:center}
.about-copy>p{font-size:17px;color:#4e5a66;margin-bottom:16px}
.about-points{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:38px}
.about-point{background:#f8fafb;border-left:3px solid var(--amber);padding:24px;text-align:left}
.about-point h3{color:var(--navy);font-size:20px;margin-bottom:6px}
.about-point p{color:var(--muted);font-size:14px}
.why-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;text-align:center}
.why-item{padding:26px 18px}
.why-num{font-size:38px;font-weight:800;color:var(--amber)}
.why-item h3{font-size:16px;color:var(--navy)}
.contact-row{display:flex;justify-content:center;gap:72px;flex-wrap:wrap;text-align:center}
.contact-box{min-width:190px}
.contact-box strong{display:block;color:var(--navy);margin-bottom:6px}
.contact-box a{color:var(--muted);text-decoration:none}
.contact-box a:hover{color:var(--amber)}
.contact-box span{color:var(--muted)}

.page-hero{
  position:relative;
  padding:68px 60px 122px;
  color:#fff;
  overflow:hidden;
  background:
    radial-gradient(circle at 78% 20%,rgba(48,79,108,.48),transparent 36%),
    linear-gradient(110deg,#071827 0%,#0b1f33 48%,#24384b 100%);
}
.page-hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(90deg,transparent,var(--amber),transparent);opacity:.55
}
.page-hero-inner{width:min(1120px,100%);margin:auto;position:relative;z-index:1}
.eyebrow{font-size:12px;font-weight:800;letter-spacing:2.4px;text-transform:uppercase;color:var(--amber);margin-bottom:10px}
.page-hero h1{font-size:50px;line-height:1.08;margin-bottom:14px}
.page-hero p{max-width:780px;font-size:17px;color:#d9e2e9}
.page-main{padding:0 28px 76px;background:var(--page)}
.page-shell{
  width:min(1120px,100%);margin:-58px auto 0;position:relative;z-index:2;
  background:var(--surface);border:1px solid rgba(218,225,231,.9);
  border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden
}
.shell-section{padding:54px 52px}
.shell-section + .shell-section{border-top:1px solid var(--line)}
.shell-section.soft{background:#f8fafb}
.shell-heading{max-width:760px;margin-bottom:30px}
.shell-heading .kicker{color:var(--amber);font-size:11px;font-weight:800;letter-spacing:1.8px;text-transform:uppercase;margin-bottom:7px}
.shell-heading h2{color:var(--navy);font-size:31px;line-height:1.2}
.shell-heading p{color:var(--muted);margin-top:9px}
.lead-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:46px;align-items:start}
.lead-copy p{color:#4f5b67;font-size:16px;margin-bottom:15px}
.summary{
  background:#f8fafb;border:1px solid var(--line);border-top:4px solid var(--amber);
  padding:26px;border-radius:0 0 10px 10px
}
.summary h3{color:var(--navy);font-size:19px;margin-bottom:14px}
.summary ul{list-style:none}
.summary li{padding:9px 0;border-bottom:1px solid #e5eaee;color:#56616c;font-size:14px}
.summary li:last-child{border-bottom:0}
.summary strong{color:var(--navy)}
.process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.process-card{
  border:1px solid var(--line);background:#fff;padding:24px;border-radius:10px;
  box-shadow:0 8px 24px rgba(11,31,51,.035)
}
.process-card .n{color:var(--amber);font-weight:800;font-size:12px;letter-spacing:1.3px}
.process-card h3{color:var(--navy);font-size:18px;margin:10px 0 7px}
.process-card p{color:var(--muted);font-size:14px}
.notice{
  margin-top:28px;background:#fff8ec;border:1px solid #f2d49e;border-left:4px solid var(--amber);
  border-radius:8px;padding:24px 26px
}
.notice .label{font-size:11px;font-weight:800;letter-spacing:1.5px;text-transform:uppercase;color:#b46d00}
.notice h3{color:var(--navy);font-size:21px;margin:5px 0 8px}
.notice p{color:#5c6570;font-size:14px}
.notice small{display:block;margin-top:9px;color:#78828c}
.choice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.choice-card{
  display:flex;flex-direction:column;min-height:230px;text-decoration:none;
  border:1px solid var(--line);border-radius:12px;padding:28px;background:#fff;transition:.2s ease
}
.choice-card:hover{transform:translateY(-4px);box-shadow:0 16px 32px rgba(11,31,51,.09)}
.choice-card h3{font-size:22px;color:var(--navy);margin-bottom:9px}
.choice-card p{font-size:14px;color:var(--muted);flex:1}
.choice-card .go{margin-top:18px;color:var(--amber);font-size:13px;font-weight:800}
.project-card{
  border:1px solid var(--line);border-radius:12px;overflow:hidden;background:#fff;
  box-shadow:0 12px 32px rgba(11,31,51,.06)
}
.project-image{height:390px;background:#d8dde1}
.project-image img{width:100%;height:100%;object-fit:cover;display:block}
.project-copy{padding:28px}
.project-copy h2{color:var(--navy);font-size:26px;margin-bottom:5px}
.project-meta{color:var(--amber);font-size:13px;font-weight:800;margin-bottom:10px}
.project-copy p{color:var(--muted)}
.coming-wrap{display:grid;place-items:center;min-height:390px;text-align:center}
.coming-icon{
  width:72px;height:72px;margin:0 auto 18px;border:1px solid #d7dfe5;border-radius:50%;
  display:grid;place-items:center;color:var(--amber);font-size:30px;background:#f9fbfc
}
.coming-wrap h2{font-size:30px;color:var(--navy);margin-bottom:8px}
.coming-wrap p{color:var(--muted)}
.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}
.site-footer{background:#050d17;color:#9ca3af;text-align:center;padding:30px 20px;font-size:14px}
.site-footer strong{color:#fff}
.viber-float{
  position:fixed;right:22px;bottom:22px;z-index:1400;display:flex;align-items:center;gap:9px;
  padding:9px 13px 9px 10px;border-radius:999px;background:rgba(11,31,51,.97);
  color:#fff;text-decoration:none;box-shadow:0 8px 28px rgba(0,0,0,.2);
  border:1px solid rgba(242,162,27,.42);font-size:13px;font-weight:700;transition:.2s
}
.viber-float:hover{transform:translateY(-2px);border-color:var(--amber)}
.viber-float svg{width:22px;height:22px;flex:none}

@media(max-width:980px){
  .site-header{grid-template-columns:1fr auto;padding:14px 28px}
  .brand{grid-column:1}.header-email{grid-column:2}.main-nav{grid-column:1/-1;grid-row:2}
  .service-grid,.choice-grid{grid-template-columns:1fr}
  .about-points{grid-template-columns:1fr}
  .why-grid{grid-template-columns:repeat(2,1fr)}
  .lead-grid{grid-template-columns:1fr}
  .process-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:720px){
  html{scroll-padding-top:16px}
  .site-header{position:relative;grid-template-columns:1fr;padding:14px 18px;gap:14px}
  .brand,.header-email{justify-self:center;grid-column:1}
  .brand img{height:54px}
  .main-nav{grid-column:1;gap:12px 18px;flex-wrap:wrap}
  .main-nav a{font-size:13px}
  .header-email{font-size:12px;padding:8px 12px}
  .home-hero{min-height:600px;padding:66px 22px;background-position:66% center}
  .home-hero h1{font-size:48px}
  .home-hero p{font-size:17px}
  .hero-services{font-size:12px;gap:8px}
  .home-section{padding:64px 22px}
  .section-head h2{font-size:31px}
  .page-hero{padding:54px 22px 96px}
  .page-hero h1{font-size:38px}
  .page-main{padding:0 14px 56px}
  .page-shell{margin-top:-42px;border-radius:14px}
  .shell-section{padding:38px 24px}
  .process-grid{grid-template-columns:1fr}
  .why-grid{grid-template-columns:1fr 1fr}
  .contact-row{gap:28px}
  .project-image{height:260px}
  .viber-float{right:14px;bottom:14px;padding:9px}
  .viber-float span{display:none}
}