*{box-sizing:border-box}
:root{
  --bg:#f5f7fa;
  --card:#ffffff;
  --text:#1f2937;
  --muted:#667085;
  --line:#e4e8ee;
  --accent:#2c74b3;
  --accent-soft:#eef5fb;
  --max:1180px;
}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:Arial,Helvetica,sans-serif;
  color:var(--text);
  background:var(--bg);
  line-height:1.65;
}
a{color:inherit;text-decoration:none}
.wrap{width:min(calc(100% - 40px),var(--max));margin:0 auto}
.narrow{max-width:860px}
.site-header{
  background:#fff;
  border-bottom:1px solid var(--line);
}
.header-inner{
  min-height:78px;
  display:flex;
  align-items:center;
}
.brand{display:inline-flex;flex-direction:column;gap:2px}
.brand-name{
  font-weight:800;
  letter-spacing:.06em;
  font-size:26px;
}
.brand-tag{
  color:var(--muted);
  font-size:12px;
  letter-spacing:.04em;
}
.hero{
  background:#fff;
  border-bottom:1px solid var(--line);
}
.hero-inner{
  padding:78px 0 70px;
}
.hero-copy{max-width:760px}
.eyebrow{
  margin:0 0 12px;
  color:var(--accent);
  font-size:13px;
  font-weight:700;
  letter-spacing:.08em;
  text-transform:uppercase;
}
h1,h2,h3{line-height:1.2}
h1{
  font-size:clamp(38px,6vw,66px);
  margin:0 0 20px;
  letter-spacing:-.035em;
  max-width:760px;
}
.lead{
  margin:0;
  max-width:720px;
  color:var(--muted);
  font-size:20px;
}
.main-content-placeholder{
  padding:40px 0 20px;
}
.content-shell{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:16px;
  padding:30px;
}
.content-intro h2{
  margin:0 0 10px;
  font-size:24px;
}
.content-intro p{
  margin:0;
  color:var(--muted);
}
.placeholder-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:16px;
  margin-top:24px;
}
.placeholder-card{
  height:130px;
  border-radius:12px;
  background:linear-gradient(180deg,#f7f9fb,#eef2f6);
  border:1px solid var(--line);
}
.about{
  padding:70px 0 36px;
}
.about h2,.archive-note h2{
  font-size:30px;
  margin:0 0 22px;
}
.about h3{
  margin:38px 0 14px;
  font-size:21px;
}
.about p,.archive-note p{
  font-size:17px;
  color:#44505f;
}
.archive-note{
  padding:30px 0 76px;
}
.archive-note .narrow{
  background:var(--accent-soft);
  border:1px solid #d9e8f5;
  border-radius:14px;
  padding:28px 30px;
}
.site-footer{
  background:#fff;
  border-top:1px solid var(--line);
}
.footer-inner{
  min-height:110px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  color:var(--muted);
  font-size:14px;
}
.footer-inner strong{
  color:var(--text);
  display:block;
  letter-spacing:.04em;
}
.footer-inner span{
  display:block;
  margin-top:3px;
  font-size:12px;
}
@media(max-width:760px){
  .wrap{width:min(calc(100% - 28px),var(--max))}
  .header-inner{min-height:68px}
  .brand-name{font-size:22px}
  .hero-inner{padding:54px 0 50px}
  .lead{font-size:18px}
  .placeholder-grid{grid-template-columns:1fr}
  .footer-inner{padding:28px 0;align-items:flex-start;flex-direction:column}
}