:root{
  --bg:#f7fafc;
  --panel:#ffffff;
  --text:#102033;
  --muted:#5d6b7a;
  --line:#dbe5ef;
  --brand:#0f766e;
  --brand-dark:#115e59;
  --accent:#e6fffa;
  --warning:#fff7ed;
  --shadow:0 10px 30px rgba(15,32,51,.08);
  --radius:18px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;
  background:linear-gradient(180deg,#f7fafc 0%,#eef7f4 100%);
  color:var(--text);
  line-height:1.55;
}
a{color:var(--brand-dark);font-weight:650;text-decoration:none}
a:hover{text-decoration:underline}
.wrap{width:min(1120px,92vw);margin:0 auto}
header{
  background:rgba(255,255,255,.92);
  border-bottom:1px solid var(--line);
  position:sticky;
  top:0;
  z-index:50;
  backdrop-filter:blur(10px);
}
nav{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  min-height:72px;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:1.35rem;
  font-weight:850;
  color:var(--brand-dark);
  letter-spacing:-.03em;
  white-space:nowrap;
}
.brand:hover{text-decoration:none}
.brand-logo{
  width:auto;
  height:44px;
  max-height:44px;
  max-width:180px;
  object-fit:contain;
  display:block;
}
.site-nav{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  min-height:72px;
}
.navlinks{
  display:flex;
  align-items:center;
  gap:18px;
  flex-wrap:wrap;
}
.navlinks a{
  color:var(--text);
  font-weight:650;
  font-size:.96rem;
}
main{padding:28px 0 64px}
.crumbs{
  color:var(--muted);
  font-size:.95rem;
  margin:0 0 22px;
}
.hero{
  background:radial-gradient(circle at top right,#ccfbf1 0%,#ffffff 36%,#ffffff 100%);
  border:1px solid var(--line);
  border-radius:28px;
  padding:42px;
  box-shadow:var(--shadow);
  margin-bottom:34px;
}
.eyebrow{
  color:var(--brand);
  font-weight:800;
  text-transform:uppercase;
  letter-spacing:.08em;
  font-size:.78rem;
  margin:0 0 10px;
}
h1,h2,h3{line-height:1.12;letter-spacing:-.035em}
h1{
  font-size:clamp(2.2rem,5vw,4.6rem);
  margin:0 0 18px;
}
h2{
  font-size:clamp(1.6rem,3vw,2.35rem);
  margin:34px 0 18px;
}
h3{font-size:1.22rem;margin:0 0 10px}
.lead{
  font-size:1.15rem;
  color:#34465a;
  max-width:850px;
}
.cta{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  margin-top:12px;
  padding:12px 18px;
  border-radius:999px;
  background:var(--brand);
  color:#fff!important;
  font-weight:800;
  box-shadow:0 8px 20px rgba(15,118,110,.18);
}
.cta:hover{background:var(--brand-dark);text-decoration:none}
.grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(245px,1fr));
  gap:18px;
  margin:18px 0 32px;
}
.card{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:22px;
  box-shadow:var(--shadow);
}
.card p{color:#34465a}
.installer-card h3{color:var(--brand-dark)}
.installer-card .cta{padding:9px 14px;font-size:.92rem}
.notice{
  border-radius:var(--radius);
  border:1px solid var(--line);
  background:#fff;
  padding:18px 20px;
  margin:20px 0;
}
.notice.warning{background:var(--warning);border-color:#fed7aa}
.table{
  width:100%;
  border-collapse:collapse;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius);
  overflow:hidden;
  box-shadow:var(--shadow);
}
.table th,.table td{
  padding:14px 16px;
  border-bottom:1px solid var(--line);
  text-align:left;
}
.table th{background:#f1f5f9}
.badge{
  display:inline-block;
  border-radius:999px;
  padding:4px 10px;
  font-size:.82rem;
  background:var(--accent);
  color:var(--brand-dark);
  font-weight:800;
}
.small{font-size:.9rem;color:var(--muted)}
footer{
  border-top:1px solid var(--line);
  background:#fff;
  padding:32px 0;
  color:#415266;
}
ul{padding-left:1.2rem}
li{margin:.45rem 0}
@media (max-width:720px){
  .site-nav{align-items:flex-start;flex-direction:column;padding:16px 0}
  nav{align-items:flex-start;flex-direction:column;padding:16px 0}
  .navlinks{gap:12px}
  .hero{padding:28px 22px;border-radius:22px}
}