:root{
  --blue-900:#12324a;
  --blue-700:#1f5f8b;
  --blue-500:#3d83b8;
  --blue-100:#eaf4fb;
  --ink:#1f2933;
  --muted:#647484;
  --line:#dce7ef;
  --bg:#77b1d9;
  --soft:#f7fafc;
  --max:1160px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color:var(--ink);
  background:var(--bg);
  line-height:1.65;
}
a{color:inherit}
img{max-width:100%;display:block}
.container{width:min(var(--max),calc(100% - 40px));margin-inline:auto}
.site-header{
  position:sticky;top:0;z-index:30;
  background:rgba(255,255,255,.95);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.nav{
  min-height:74px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
}
.brand{text-decoration:none;display:flex;flex-direction:column;line-height:1}
.brand strong{font-size:1.3rem;letter-spacing:.12em;color:var(--blue-900)}
.brand span{font-size:.72rem;color:var(--muted);margin-top:6px}
.nav-links{display:flex;gap:24px;align-items:center}
.nav-links a{
  text-decoration:none;
  font-size:.95rem;
  color:#354657;
}
.nav-links a:hover,.nav-links a[aria-current="page"]{color:var(--blue-700)}
.menu-btn{
  display:none;
  border:1px solid var(--line);
  background:white;
  border-radius:10px;
  padding:8px 10px;
  font-size:1rem;
}
.hero{
  padding:104px 0 90px;
  background:
    radial-gradient(circle at 85% 15%, rgba(61,131,184,.12), transparent 30%),
    linear-gradient(180deg,#fbfdff 0%,#fff 100%);
}
.eyebrow{
  color:var(--blue-700);
  font-weight:700;
  letter-spacing:.08em;
  text-transform:uppercase;
  font-size:.82rem;
}
.hero h1{
  max-width:820px;
  color:var(--blue-900);
  font-size:clamp(2.7rem,7vw,5.8rem);
  line-height:.98;
  margin:18px 0 18px;
  letter-spacing:-.04em;
}
.hero .lead{
  max-width:760px;
  font-size:clamp(1.1rem,2vw,1.35rem);
  color:#486073;
}
.hero-actions{display:flex;gap:14px;margin-top:34px;flex-wrap:wrap}
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:46px;padding:0 20px;border-radius:12px;
  text-decoration:none;font-weight:700;border:1px solid transparent;
}
.btn-primary{background:var(--blue-900);color:white}
.btn-secondary{background:white;border-color:var(--line);color:var(--blue-900)}
.section{padding:86px 0}
.section.alt{background:var(--soft)}
.section-header{max-width:760px;margin-bottom:42px}
.section h2{
  margin:0 0 14px;color:var(--blue-900);
  font-size:clamp(2rem,4vw,3.1rem);letter-spacing:-.03em;line-height:1.08
}
.section h3{color:var(--blue-900);margin-top:0}
.section p{color:#4b5f70}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:26px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.card{
  border:1px solid var(--line);
  border-radius:20px;
  padding:26px;
  background:white;
}
.card p:last-child{margin-bottom:0}
.team-card .role{color:var(--blue-700);font-weight:700;margin:.2rem 0 1rem}
.tag-list{display:flex;flex-wrap:wrap;gap:8px;padding:0;margin:0;list-style:none}
.tag-list li{
  background:var(--blue-100);
  color:#275a7c;
  padding:7px 10px;
  border-radius:999px;
  font-size:.84rem;
}
.quote{
  border-left:4px solid var(--blue-500);
  padding:20px 24px;
  background:var(--blue-100);
  border-radius:0 16px 16px 0;
  color:var(--blue-900);
  font-size:1.25rem;
}
.values{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.value{
  padding:18px 20px;border:1px solid var(--line);border-radius:14px;background:white
}
.project-card{display:flex;flex-direction:column;min-height:250px}
.project-card .project-type{font-size:.8rem;text-transform:uppercase;letter-spacing:.08em;color:var(--blue-700);font-weight:800}
.project-card a{margin-top:auto;color:var(--blue-700);font-weight:700;text-decoration:none}
.page-hero{padding:76px 0 46px;background:linear-gradient(180deg,#fbfdff,#fff)}
.page-hero h1{font-size:clamp(2.4rem,5vw,4rem);margin:10px 0;color:var(--blue-900);letter-spacing:-.04em}
.article-list{display:grid;gap:16px}
.article-item{
  padding:22px;border:1px solid var(--line);border-radius:16px;background:white
}
.contact-box{
  display:grid;grid-template-columns:1.2fr .8fr;gap:28px;
  padding:34px;border:1px solid var(--line);border-radius:22px;background:white
}
.contact-box a{color:var(--blue-700)}
.site-footer{padding:34px 0;border-top:1px solid var(--line);color:var(--muted);font-size:.9rem}
.footer-row{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}
.small{font-size:.9rem;color:var(--muted)}
.notice{background:#fff8e8;border:1px solid #f0dfaf;border-radius:14px;padding:16px 18px;color:#6b5a24}
@media (max-width:900px){
  .grid-2,.grid-3,.contact-box{grid-template-columns:1fr}
  .values{grid-template-columns:1fr}
  .nav-links{
    display:none;position:absolute;left:20px;right:20px;top:68px;
    flex-direction:column;align-items:stretch;background:white;
    border:1px solid var(--line);border-radius:16px;padding:14px;
    box-shadow:0 16px 40px rgba(18,50,74,.12)
  }
  .nav-links.open{display:flex}
  .menu-btn{display:block}
}