:root{
  --bg:#f7f9fc; --card:#ffffff; --text:#0c1b2a; --muted:#5b6b7c;
  --line:#e6ecf2; --accent:#17b0a6; --accent2:#0aa797; --radius:16px;
  --shadow:0 12px 36px rgba(6,25,56,.10);
}
*{box-sizing:border-box}
html,body{height:100%}
body{margin:0;background:var(--bg);color:var(--text);font-family:"Sora",system-ui,-apple-system,Segoe UI,Roboto,Inter,sans-serif}
a{color:var(--accent);text-decoration:none}
.container{max-width:1100px;margin:0 auto;padding:24px}
.site-header{position:sticky;top:0;background:rgba(247,249,252,.82);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);z-index:10}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:16px}
.logo img{height:108px}
.nav a{margin-left:16px;color:var(--muted)}
.nav a:hover{color:var(--text)}
.hero{margin:48px 0;padding:40px;border-radius:24px;background:linear-gradient(180deg,#ffffff 0%,#f5fbfa 100%);box-shadow:var(--shadow)}
.hero h1{font-size:clamp(30px,5vw,46px);line-height:1.2;margin:.1em 0 .4em}
.hero p{color:var(--muted);max-width:720px}
.cta{display:inline-block;margin-top:16px;padding:14px 22px;border-radius:999px;background:linear-gradient(90deg,var(--accent),var(--accent2));color:#fff;font-weight:700;box-shadow:0 8px 22px rgba(23,176,166,.28)}
.cta:hover{filter:brightness(.98)}
.grid{display:grid;gap:20px;margin:28px 0;grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow)}
.card h3{margin:.2em 0 .4em}
.lead{color:var(--muted)}
.small{font-size:.92rem;color:var(--muted)}
.post-list{list-style:none;padding:0}
.post-list li{padding:.5em 0;border-bottom:1px solid var(--line)}
.intro{opacity:.85;margin-bottom:1rem}