:root{
  --ink:#2F3E46; --muted:#5b6b72; --sage:#84A59D; --sage-dark:#6b8e7d;
  --line:#e4eae8; --card:#ffffff;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;
  color:var(--ink);line-height:1.7;
  background:linear-gradient(135deg,#f5f7fa 0%,#ffffff 50%,#f0f4f3 100%);
  background-attachment:fixed;-webkit-font-smoothing:antialiased;
}
h1,h2,h3,.brand{font-family:'Montserrat',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif}
a{color:var(--sage-dark);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:780px;margin:0 auto;padding:0 22px}
/* header */
.site-header{background:rgba(47,62,70,.98);position:sticky;top:0;z-index:10}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;height:64px;max-width:1080px}
.brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:1.25rem}
.brand img{width:30px;height:30px;border-radius:7px}
.nav a{color:#dfe7e4;margin-left:22px;font-size:.95rem}
.nav a:hover{color:#fff;text-decoration:none}
.nav .cta{background:var(--sage);color:#fff;padding:8px 16px;border-radius:8px}
.nav .cta:hover{background:#93b3ab}
/* hero */
.hero{text-align:center;padding:54px 0 30px}
.hero h1{font-size:2.3rem;line-height:1.15;margin-bottom:14px}
.hero p{color:var(--muted);font-size:1.12rem;max-width:620px;margin:0 auto}
/* listing */
.posts{display:grid;gap:20px;padding:14px 0 60px}
.post-card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:26px 28px;
  box-shadow:0 6px 20px rgba(47,62,70,.05);transition:transform .15s,box-shadow .15s}
.post-card:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(47,62,70,.10)}
.post-card .tag{display:inline-block;font-size:.72rem;letter-spacing:.04em;text-transform:uppercase;
  color:var(--sage-dark);font-weight:600;margin-bottom:8px}
.post-card h2{font-size:1.32rem;margin-bottom:8px}
.post-card h2 a{color:var(--ink)}
.post-card p{color:var(--muted);font-size:.98rem}
.post-card .meta{margin-top:12px;font-size:.82rem;color:#8a979c}
/* article */
article.post{background:var(--card);border:1px solid var(--line);border-radius:14px;
  padding:42px 46px;margin:26px 0 50px;box-shadow:0 6px 20px rgba(47,62,70,.05)}
.crumb{font-size:.85rem;color:#8a979c;padding-top:22px}
.post .tag{display:inline-block;font-size:.74rem;letter-spacing:.04em;text-transform:uppercase;
  color:var(--sage-dark);font-weight:600;margin-bottom:10px}
.post h1{font-size:2rem;line-height:1.2;margin-bottom:10px}
.post .byline{color:#8a979c;font-size:.88rem;margin-bottom:26px;border-bottom:1px solid var(--line);padding-bottom:20px}
.post h2{font-size:1.4rem;margin:30px 0 12px}
.post h3{font-size:1.12rem;margin:22px 0 8px}
.post p{margin-bottom:16px}
.post ul,.post ol{margin:0 0 16px 22px}
.post li{margin-bottom:7px}
.post blockquote{border-left:3px solid var(--sage);background:#f4f8f6;padding:14px 18px;
  border-radius:0 8px 8px 0;color:#43555c;margin:0 0 18px;font-style:italic}
.ad-slot{margin:30px 0;min-height:90px;text-align:center}
.post-foot{margin-top:34px;padding-top:22px;border-top:1px solid var(--line)}
.cta-box{background:#f4f8f6;border:1px solid var(--line);border-radius:12px;padding:24px;text-align:center;margin-top:18px}
.cta-box h3{margin-bottom:8px}
.cta-box a.btn{display:inline-block;margin-top:10px;background:var(--sage);color:#fff;
  padding:11px 22px;border-radius:9px;font-weight:600}
.cta-box a.btn:hover{background:#93b3ab;text-decoration:none}
.related{margin-bottom:8px}
.related h3{font-size:1.05rem;margin-bottom:8px}
.related ul{list-style:none;margin:0}
.related li{margin-bottom:6px}
.related li a{font-weight:500}
.back{display:inline-block;margin-top:20px;font-size:.92rem}
/* footer */
.site-footer{background:#2F3E46;color:#cdd7d4;padding:40px 0;margin-top:30px}
.site-footer .wrap{max-width:1080px;display:flex;flex-wrap:wrap;gap:26px;justify-content:space-between}
.site-footer h4{color:#fff;font-size:.95rem;margin-bottom:10px;font-family:'Montserrat',sans-serif}
.site-footer a{color:#cdd7d4;display:block;font-size:.9rem;margin-bottom:6px}
.site-footer a:hover{color:#fff}
.site-footer .cr{width:100%;border-top:1px solid #3c4d56;padding-top:18px;font-size:.82rem;color:#9fb0ac}
@media(max-width:600px){
  article.post{padding:28px 22px}
  .hero h1{font-size:1.8rem}
  .nav a:not(.cta){display:none}
}