*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{font-family:'DM Sans',sans-serif;background:#f4f8f6;color:#0c1a18;-webkit-font-smoothing:antialiased;}
:root{--t:#0f766e;--td:#0a5c55;--tl:#0d9488;--a:#b87333;--r-sm:8px;--r-md:14px;--r-lg:20px;--r-xl:28px;}

/* NAV */
.nav{position:sticky;top:0;z-index:100;background:rgba(244,248,246,.95);border-bottom:1px solid rgba(15,118,110,.12);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);padding:14px 24px;display:flex;align-items:center;justify-content:space-between;gap:16px;}
.nav-left{display:flex;align-items:center;gap:10px;}
.nav-logo{display:flex;align-items:center;gap:8px;text-decoration:none;}
.nav-icon{width:28px;height:28px;border-radius:8px;overflow:hidden;flex-shrink:0;}
.nav-icon img{width:100%;height:100%;object-fit:cover;}
.nav-brand{font-family:'Playfair Display',serif;font-size:16px;font-weight:700;color:#0c1a18;}
.nav-sep{font-size:13px;color:rgba(15,118,110,.3);}
.nav-blog{font-size:13px;font-weight:600;color:#4b7a74;text-decoration:none;transition:color .2s;}
.nav-blog:hover{color:var(--t);}
.nav-right{display:flex;align-items:center;gap:12px;}
.nav-home{font-size:13px;color:#4b7a74;text-decoration:none;transition:color .2s;}
.nav-home:hover{color:var(--t);}
.nav-cta{background:var(--t);color:#fff;font-size:13px;font-weight:600;padding:8px 18px;border-radius:30px;text-decoration:none;transition:background .2s;}
.nav-cta:hover{background:var(--td);}

/* LISTING */
.listing-wrap{max-width:1100px;margin:0 auto;padding:56px 24px 80px;}
.blog-hero{text-align:center;margin-bottom:56px;}
.blog-over{font-size:11px;font-weight:700;letter-spacing:3px;text-transform:uppercase;color:var(--tl);display:block;margin-bottom:12px;}
.blog-h1{font-family:'Playfair Display',serif;font-size:clamp(32px,5vw,48px);font-weight:800;color:#0c1a18;letter-spacing:-1px;line-height:1.1;margin-bottom:14px;}
.blog-h1 em{font-style:italic;color:var(--t);}
.blog-sub{font-size:15px;color:#4b7a74;line-height:1.7;max-width:520px;margin:0 auto;}
.posts-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
@media(max-width:900px){.posts-grid{grid-template-columns:repeat(2,1fr);}}
@media(max-width:580px){.posts-grid{grid-template-columns:1fr;}}

/* POST CARD */
.post-card{background:#fff;border:1px solid rgba(15,118,110,.12);border-radius:28px;padding:28px;display:flex;flex-direction:column;gap:12px;text-decoration:none;color:inherit;transition:border-color .2s,transform .2s,box-shadow .2s;}
.post-card:hover{border-color:rgba(15,118,110,.3);transform:translateY(-3px);box-shadow:0 8px 28px rgba(15,118,110,.12);}
.post-tag{display:inline-flex;align-items:center;font-size:10px;font-weight:700;letter-spacing:1.5px;text-transform:uppercase;padding:4px 10px;border-radius:20px;width:fit-content;}
.tag-bts{background:rgba(184,115,51,.12);color:#92400e;}
.tag-guide{background:rgba(15,118,110,.1);color:#0f766e;}
.tag-privacy{background:rgba(109,40,217,.1);color:#6d28d9;}
.post-title{font-family:'Playfair Display',serif;font-size:18px;font-weight:700;color:#0c1a18;line-height:1.3;}
.post-excerpt{font-size:13px;color:#4b7a74;line-height:1.7;flex:1;}
.post-meta{display:flex;align-items:center;justify-content:space-between;}
.post-date{font-size:11px;color:#9eaeab;}
.post-read{font-size:11px;color:#9eaeab;}
.post-arrow{font-size:13px;color:var(--t);font-weight:600;}

/* SINGLE POST */
.post-wrap{max-width:780px;margin:0 auto;padding:48px 24px 96px;}
.back-btn{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600;color:var(--t);background:rgba(15,118,110,.08);border:1px solid rgba(15,118,110,.2);padding:7px 14px;border-radius:30px;text-decoration:none;transition:background .2s;margin-bottom:40px;}
.back-btn:hover{background:rgba(15,118,110,.14);}
.post-header{margin-bottom:32px;}
.post-h1{font-family:'Playfair Display',serif;font-size:clamp(26px,4vw,40px);font-weight:800;color:#0c1a18;line-height:1.2;letter-spacing:-.5px;margin:14px 0 16px;}
.post-byline{display:flex;align-items:center;gap:16px;font-size:13px;color:#9eaeab;flex-wrap:wrap;}
.post-byline strong{color:#4b7a74;}
.post-divider{height:1px;background:rgba(15,118,110,.12);margin:32px 0;}

/* BODY */
.post-body{font-size:16px;line-height:1.85;color:#1a2e2a;}
.post-body p{margin-bottom:20px;}
.post-body h2{font-family:'Playfair Display',serif;font-size:22px;font-weight:700;color:#0c1a18;margin:40px 0 14px;line-height:1.3;}
.post-body strong{font-weight:700;color:#0c1a18;}
.post-body em{font-style:italic;}
.post-body blockquote{border-left:3px solid var(--t);padding:4px 0 4px 20px;margin:28px 0;font-style:italic;color:#4b7a74;font-size:15px;}
.post-body table{width:100%;border-collapse:collapse;margin:28px 0;font-size:14px;}
.post-body th{background:rgba(15,118,110,.08);padding:10px 14px;text-align:left;font-weight:700;border:1px solid rgba(15,118,110,.15);color:#0c1a18;}
.post-body td{padding:10px 14px;border:1px solid rgba(15,118,110,.1);color:#1a2e2a;}

/* CTA */
.post-cta{background:linear-gradient(135deg,#0a4a44,#0f766e);border-radius:28px;padding:36px 40px;text-align:center;margin-top:56px;}
.post-cta h3{font-family:'Playfair Display',serif;font-size:24px;font-weight:700;color:#fff;margin-bottom:10px;}
.post-cta p{font-size:14px;color:rgba(255,255,255,.7);margin-bottom:24px;line-height:1.6;}
.post-cta-btns{display:flex;align-items:center;justify-content:center;gap:12px;flex-wrap:wrap;}
.cta-primary{background:#fff;color:#0f766e;font-size:14px;font-weight:700;padding:12px 28px;border-radius:30px;text-decoration:none;transition:transform .2s,box-shadow .2s;}
.cta-primary:hover{transform:translateY(-1px);box-shadow:0 4px 16px rgba(0,0,0,.2);}
.cta-secondary{border:1.5px solid rgba(255,255,255,.4);color:#fff;font-size:14px;font-weight:600;padding:12px 24px;border-radius:30px;text-decoration:none;transition:border-color .2s;}
.cta-secondary:hover{border-color:#fff;}

/* AUTHOR */
.post-author{display:flex;align-items:center;gap:16px;background:#fff;border:1px solid rgba(15,118,110,.12);border-radius:20px;padding:24px;margin-top:32px;}
.author-avatar{width:48px;height:48px;border-radius:50%;background:var(--t);display:flex;align-items:center;justify-content:center;font-family:'Playfair Display',serif;font-size:20px;font-weight:700;color:#fff;flex-shrink:0;}
.author-name{font-size:14px;font-weight:700;color:#0c1a18;margin-bottom:3px;}
.author-bio{font-size:12px;color:#4b7a74;line-height:1.5;}

/* FOOTER */
.blog-footer{background:#0e0e0e;padding:40px 24px;text-align:center;}
.blog-footer a{color:#c2581a;text-decoration:none;font-family:'Playfair Display',serif;font-size:22px;font-weight:700;}
.blog-footer p{font-size:12px;color:rgba(255,255,255,.3);margin-top:12px;}

@media(max-width:600px){
  .nav{padding:12px 16px;}
  .post-wrap{padding:32px 16px 64px;}
  .post-cta{padding:28px 20px;}
  .post-cta-btns{flex-direction:column;}
  .post-author{flex-direction:column;text-align:center;}
}