:root{
  --teal-900:#0b3d3a;--teal-700:#14605b;--teal-500:#1f8a82;--teal-300:#5fc2b8;
  --sand-50:#faf7f0;--sand-100:#f2ece0;--sand-200:#e6dcc8;--ink:#1c2826;--ink-soft:#4b5d59;
  --amber:#e0922f;--amber-dark:#c47a1c;--white:#fff;
  --shadow:0 10px 30px rgba(11,61,58,.10);--radius:16px;--radius-sm:10px;--maxw:760px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;color:var(--ink);background:var(--sand-50);line-height:1.7;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:var(--teal-500)}

/* header */
header.nav{position:sticky;top:0;z-index:50;background:rgba(11,61,58,.94);backdrop-filter:blur(8px);color:#fff}
.nav-inner{max-width:1120px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;padding:12px 22px}
.brand{display:flex;align-items:center;gap:11px;font-weight:800;color:#fff;text-decoration:none;font-size:1.02rem}
.brand .logo{width:42px;height:42px;display:grid;place-items:center}
.brand .logo img{width:100%;height:100%;object-fit:contain;filter:drop-shadow(0 1px 2px rgba(0,0,0,.35))}
.brand .wordmark b{color:var(--teal-300)}
.nav-links{display:flex;align-items:center;gap:18px}
.nav-links a{color:#dff0ed;text-decoration:none;font-weight:600;font-size:.92rem}
.nav-links a:hover{color:#fff}
.nav-cta{background:var(--amber);color:#2a1a05;text-decoration:none;padding:9px 16px;border-radius:999px;font-weight:700;font-size:.9rem}
.nav-cta:hover{background:#f0a64a}

/* blog index */
.blog-hero{background:linear-gradient(160deg,var(--teal-900),var(--teal-700) 60%,var(--teal-500));color:#fff;padding:54px 22px 46px;text-align:center}
.blog-hero h1{font-size:clamp(1.8rem,4vw,2.6rem);margin-bottom:10px}
.blog-hero p{max-width:48ch;margin:0 auto;color:#dff0ed}
.wrap{max-width:1080px;margin:0 auto;padding:40px 22px 70px}
.post-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:22px}
.post-card{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden;display:flex;flex-direction:column;transition:transform .14s ease,box-shadow .14s ease}
.post-card:hover{transform:translateY(-3px);box-shadow:0 18px 44px rgba(11,61,58,.16)}
.post-card a.cardlink{text-decoration:none;color:inherit;display:flex;flex-direction:column;height:100%}
.post-card .pc-cover{height:8px;background:linear-gradient(90deg,var(--teal-500),var(--amber))}
.post-card .pc-body{padding:20px 22px;display:flex;flex-direction:column;gap:8px;flex:1}
.post-card .pc-tag{font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:.05em;color:var(--amber-dark)}
.post-card h2{font-size:1.18rem;color:var(--teal-900);line-height:1.3}
.post-card p{font-size:.92rem;color:var(--ink-soft);flex:1}
.post-card .pc-more{font-weight:700;color:var(--teal-500);font-size:.9rem;margin-top:4px}

/* article */
.post{max-width:var(--maxw);margin:0 auto;padding:42px 22px 60px}
.post .crumbs{font-size:.84rem;color:var(--ink-soft);margin-bottom:14px}
.post .crumbs a{text-decoration:none}
.post .tag{display:inline-block;font-size:.74rem;font-weight:700;text-transform:uppercase;letter-spacing:.05em;color:var(--amber-dark);margin-bottom:8px}
.post h1{font-size:clamp(1.7rem,3.6vw,2.5rem);color:var(--teal-900);line-height:1.2;margin-bottom:12px}
.post .meta{color:var(--ink-soft);font-size:.86rem;margin-bottom:22px;border-bottom:1px solid var(--sand-200);padding-bottom:18px}
.post-hero{width:100%;max-height:380px;object-fit:cover;border-radius:var(--radius);margin:0 0 24px;box-shadow:var(--shadow)}
.post p{margin:0 0 18px}
.post h2{font-size:1.4rem;color:var(--teal-900);margin:34px 0 12px}
.post h3{font-size:1.12rem;color:var(--teal-700);margin:24px 0 8px}
.post ul,.post ol{margin:0 0 18px 22px}
.post li{margin-bottom:7px}
.post strong{color:var(--ink)}
.post blockquote{margin:22px 0;padding:14px 18px;background:var(--sand-100);border-left:4px solid var(--teal-500);border-radius:8px;color:var(--ink-soft);font-style:italic}
.post .keyfacts{background:#fff;border:1px solid var(--sand-200);border-radius:var(--radius-sm);padding:16px 18px;margin:22px 0}
.post .keyfacts h3{margin-top:0}
.post .keyfacts ul{margin-bottom:0;list-style:none;margin-left:0}
.post .keyfacts li{padding:5px 0;border-bottom:1px dashed var(--sand-200)}
.post .keyfacts li:last-child{border:none}

/* CTA box */
.cta-box{background:linear-gradient(160deg,var(--teal-900),var(--teal-700));color:#fff;border-radius:var(--radius);padding:26px 24px;margin:34px 0;text-align:center}
.cta-box h3{font-size:1.25rem;margin-bottom:6px}
.cta-box p{color:#dff0ed;margin-bottom:16px}
.cta-box a{display:inline-block;background:var(--amber);color:#2a1a05;text-decoration:none;font-weight:800;padding:12px 24px;border-radius:999px}
.cta-box a:hover{background:#f0a64a}

/* related */
.related{margin-top:46px;border-top:1px solid var(--sand-200);padding-top:24px}
.related h3{font-size:1.05rem;color:var(--teal-900);margin-bottom:12px}
.related a{display:block;padding:6px 0;font-weight:600}

footer{background:var(--teal-900);color:#bcd9d4;padding:28px 22px;text-align:center;font-size:.85rem;margin-top:30px}
footer a{color:var(--teal-300)}