:root{
  --bg:#071018;
  --bg-2:#0b1620;
  --card:#101d28;
  --line:#243546;
  --text:#f3f7fb;
  --muted:#a7b2c0;
  --blue:#2fb5ef;
  --blue-dark:#1597d2;
  --shadow:0 24px 80px rgba(0,0,0,.35);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:Inter,Segoe UI,Roboto,Arial,sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.55;
}
a{text-decoration:none;color:inherit}
img{display:block;width:100%;height:100%;object-fit:cover}

.container{width:min(1240px,calc(100% - 40px));margin:auto}
.section{padding:96px 0;border-bottom:1px solid var(--line)}
.eyebrow{
  display:inline-flex;
  color:var(--blue);
  letter-spacing:.32em;
  font-size:.78rem;
  font-weight:800;
  margin-bottom:20px;
}
h1,h2,h3{letter-spacing:-.055em;line-height:1.02}
h1{font-size:clamp(3.2rem,7vw,6.6rem);max-width:820px}
h2{font-size:clamp(2.4rem,4.5vw,4.6rem)}
h3{font-size:1.35rem;margin:24px 0 10px}
p{color:var(--muted);font-size:1.08rem}

.site-header{
  position:sticky;top:0;z-index:50;
  height:82px;padding:0 min(8vw,210px);
  display:flex;align-items:center;justify-content:space-between;
  background:rgba(7,16,24,.86);backdrop-filter:blur(18px);
  border-bottom:1px solid var(--line);
}
.brand{display:flex;gap:14px;align-items:center}
.logo-mark{
  width:46px;height:46px;border-radius:8px;
  display:grid;place-items:center;
  background:radial-gradient(circle at 50% 20%,#2fb5ef,#0b2130 70%);
  color:#d9f5ff;font-weight:900;font-size:.8rem;
  box-shadow:0 0 24px rgba(47,181,239,.25);
}
.brand strong{font-size:1.35rem;display:block;letter-spacing:.02em}
.brand span{display:block;color:var(--muted);letter-spacing:.32em;font-size:.7rem}
.desktop-nav{display:flex;gap:38px;color:var(--muted);font-weight:600}
.desktop-nav a:hover{color:var(--text)}
.header-cta,.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:12px;
  padding:14px 24px;border-radius:7px;font-weight:800;
  transition:.25s ease;border:1px solid transparent;
}
.header-cta,.btn.primary{background:var(--blue);color:#041019}
.header-cta:hover,.btn.primary:hover{background:#5bc9ff;transform:translateY(-2px)}
.btn.ghost{border-color:var(--line);color:var(--text);background:rgba(255,255,255,.02)}
.btn.ghost:hover{border-color:var(--blue);color:var(--blue)}
.menu-btn{display:none;background:none;border:0;color:white;font-size:1.8rem}
.mobile-nav{display:none}

.hero{
  min-height:820px;display:flex;align-items:center;
  background:
    linear-gradient(90deg,rgba(7,16,24,.95) 0%,rgba(7,16,24,.82) 42%,rgba(7,16,24,.96) 100%),
    linear-gradient(130deg,rgba(47,181,239,.12),transparent 50%),
    url("https://images.unsplash.com/photo-1504917595217-d4dc5ebe6122?auto=format&fit=crop&w=1800&q=80") center/cover;
}
.hero h1 span{color:var(--blue)}
.hero p{max-width:620px;margin:28px 0 34px;font-size:1.25rem}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap}

.section-head{
  display:grid;grid-template-columns:1.1fr .9fr;gap:50px;align-items:end;margin-bottom:54px;
}
.section-head p{max-width:520px}
.service-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:28px}
.service-card{
  overflow:hidden;border:1px solid var(--line);border-radius:12px;background:var(--card);
  box-shadow:var(--shadow);transition:.25s ease;
}
.service-card:hover{transform:translateY(-6px);border-color:rgba(47,181,239,.6)}
.service-card img{height:220px}
.card-body{padding:28px}
.icon{color:var(--blue);font-size:1.65rem;display:block;margin-bottom:12px}
.card-body p{font-size:1rem}

.split{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center}
.split-section{background:var(--bg-2)}
.split p{max-width:690px;margin:28px 0 46px}
.stats{display:flex;gap:78px;flex-wrap:wrap}
.stats strong{display:block;font-size:2.5rem;color:var(--blue);line-height:1}
.stats span{text-transform:uppercase;letter-spacing:.16em;color:var(--muted);font-size:.82rem}
.benefit-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.benefit{
  min-height:105px;padding:26px;border:1px solid var(--line);border-radius:10px;
  background:rgba(255,255,255,.015);font-weight:800;font-size:1.05rem;
}
.benefit::first-letter{color:var(--blue)}

.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:54px}
.steps article{
  border:1px solid var(--line);border-radius:12px;background:var(--card);
  padding:34px;min-height:185px;
}
.steps span{color:var(--blue);font-weight:900;font-size:1.15rem;display:block;margin-bottom:24px}

.contact-section{background:var(--bg-2)}
.contact{display:grid;grid-template-columns:.9fr 1.1fr;gap:80px;align-items:start}
.contact h2{margin-bottom:28px}
.contact-info{margin-top:46px;display:grid;gap:22px}
.contact-info a,.contact-info p{display:flex;gap:18px;align-items:center;color:var(--text);font-weight:700}
.contact-info a::first-letter,.contact-info p::first-letter{color:var(--blue)}
.contact-form{
  border:1px solid var(--line);border-radius:14px;padding:36px;background:rgba(7,16,24,.55);
}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
label{
  display:grid;gap:9px;margin-bottom:18px;
  color:var(--muted);font-size:.82rem;text-transform:uppercase;letter-spacing:.08em;font-weight:800;
}
input,textarea{
  width:100%;background:#071018;border:1px solid var(--line);border-radius:7px;
  color:var(--text);font:inherit;padding:15px;outline:none;
}
input:focus,textarea:focus{border-color:var(--blue)}
.full{width:100%;border:0;cursor:pointer;font-size:1rem}
.form-note{font-size:.85rem;margin-top:14px}

footer{padding:34px 0;background:#060d14}
.footer-inner{display:flex;justify-content:space-between;align-items:center;color:var(--muted)}
.footer-inner a{margin-left:30px;color:var(--muted)}
.mini .logo-mark{width:36px;height:36px;font-size:.65rem}
.mini span{letter-spacing:0;font-size:1rem}

@media (max-width:1050px){
  .desktop-nav,.header-cta{display:none}
  .menu-btn{display:block}
  .site-header{padding:0 22px}
  .mobile-nav{
    position:fixed;top:82px;left:0;right:0;z-index:40;
    display:grid;background:#071018;border-bottom:1px solid var(--line);
    transform:translateY(-130%);transition:.25s ease;
  }
  .mobile-nav.open{transform:translateY(0)}
  .mobile-nav a{padding:18px 24px;border-top:1px solid var(--line)}
  .section-head,.split,.contact{grid-template-columns:1fr}
  .service-grid,.steps{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:650px){
  .section{padding:70px 0}
  .hero{min-height:720px}
  .service-grid,.steps,.benefit-grid,.form-row{grid-template-columns:1fr}
  .stats{gap:32px}
  .footer-inner{gap:22px;align-items:flex-start;flex-direction:column}
  .brand span{font-size:.58rem;letter-spacing:.18em}
}