:root{
  --green:#2e7d5b;--green-dark:#1f5a41;--green-light:#e8f3ee;--mint:#a8dcc6;
  --gold:#d4a94a;--dark:#1a2b25;--text:#3d4d47;--muted:#7a8a84;--white:#fff;
  --bg:#fbfdfc;--radius:16px;--shadow:0 10px 40px rgba(30,60,50,.08);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:90px}
body{font-family:'Inter',sans-serif;color:var(--text);background:var(--bg);line-height:1.8}
h1,h2,h3,h4{font-family:'Playfair Display',serif;color:var(--dark);line-height:1.3}
a{color:var(--green);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%;height:auto;display:block;border-radius:12px}
ul,ol{padding-left:1.2rem}
.container{width:90%;max-width:1150px;margin:0 auto}

/* Header */
header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.95);backdrop-filter:blur(10px);
  box-shadow:0 2px 20px rgba(0,0,0,.05);padding:14px 0}
nav{display:flex;align-items:center;justify-content:space-between}
.logo{display:flex;align-items:center;gap:10px;font-family:'Playfair Display',serif;
  font-size:1.3rem;font-weight:700;color:var(--dark);text-decoration:none}
.logo-icon{width:38px;height:38px;border-radius:50%;background:var(--green);display:grid;place-items:center;color:#fff}
.logo b{color:var(--green);font-weight:700}
.nav-links{display:flex;gap:28px;list-style:none;align-items:center}
.nav-links a{color:var(--dark);font-weight:500;font-size:.94rem;text-decoration:none}
.nav-links a:hover{color:var(--green)}
.btn{display:inline-block;padding:12px 28px;border-radius:50px;font-weight:600;font-size:.93rem;
  background:var(--green);color:#fff!important;text-decoration:none!important;border:none;cursor:pointer;transition:.3s}
.btn:hover{background:var(--green-dark);transform:translateY(-2px)}

/* Breadcrumbs */
.crumbs{font-size:.85rem;color:var(--muted);padding:24px 0 0}
.crumbs a{color:var(--muted)}
.crumbs span{margin:0 6px}

/* Blog hero */
.blog-hero{background:linear-gradient(135deg,#f0f7f3,#eef6f1);padding:50px 0 60px;text-align:center}
.blog-hero h1{font-size:clamp(2rem,5vw,3rem);margin-bottom:14px}
.blog-hero p{color:var(--muted);max-width:640px;margin:0 auto}

/* Category pills */
.cats{display:flex;gap:10px;flex-wrap:wrap;justify-content:center;margin-top:28px}
.cats a{background:#fff;border:1px solid #dfe7e3;padding:8px 20px;border-radius:50px;
  font-size:.85rem;font-weight:500;color:var(--text);text-decoration:none}
.cats a:hover,.cats a.active{background:var(--green);color:#fff;border-color:var(--green)}

/* Grid */
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;padding:60px 0}
.card{background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:.3s}
.card:hover{transform:translateY(-6px)}
.card .thumb{height:200px;display:grid;place-items:center;font-size:3.6rem;
  background:linear-gradient(135deg,var(--mint),var(--green-light));border-radius:0}
.card .body{padding:24px}
.meta{font-size:.78rem;color:var(--muted);margin-bottom:10px;text-transform:uppercase;letter-spacing:.5px}
.meta b{color:var(--green)}
.card h2{font-size:1.15rem;margin-bottom:10px;line-height:1.4}
.card h2 a{color:var(--dark);text-decoration:none}
.card h2 a:hover{color:var(--green)}
.card p{font-size:.92rem;color:var(--muted)}

/* Article */
.article-wrap{display:grid;grid-template-columns:1fr 300px;gap:60px;padding:40px 0 80px;align-items:start}
article h1{font-size:clamp(1.9rem,4.2vw,2.7rem);margin:14px 0 20px}
.byline{display:flex;align-items:center;gap:14px;flex-wrap:wrap;padding:18px 0;
  border-top:1px solid #e6ece9;border-bottom:1px solid #e6ece9;margin-bottom:30px;font-size:.88rem;color:var(--muted)}
.byline .avatar{width:46px;height:46px;border-radius:50%;background:var(--green);color:#fff;
  display:grid;place-items:center;font-weight:600}
.byline strong{color:var(--dark);display:block;font-size:.95rem}
.hero-img{height:360px;border-radius:var(--radius);display:grid;place-items:center;font-size:6rem;
  background:linear-gradient(135deg,var(--mint),var(--green-light));margin-bottom:34px}
article h2{font-size:1.65rem;margin:44px 0 16px}
article h3{font-size:1.25rem;margin:30px 0 12px}
article p{margin-bottom:20px}
article ul,article ol{margin:0 0 22px;display:grid;gap:10px}
article li::marker{color:var(--green)}
blockquote{border-left:4px solid var(--green);background:var(--green-light);padding:22px 26px;
  border-radius:0 12px 12px 0;margin:28px 0;font-style:italic;color:var(--dark)}
.key-box{background:#fff;border:1px solid #dfe7e3;border-left:4px solid var(--gold);
  padding:24px 28px;border-radius:0 12px 12px 0;margin:30px 0}
.key-box h3{margin:0 0 12px;font-size:1.1rem}

/* TOC */
.toc{background:var(--green-light);border-radius:var(--radius);padding:26px 30px;margin:0 0 36px}
.toc h2{font-size:1.05rem!important;margin:0 0 14px!important;font-family:'Inter',sans-serif;font-weight:600}
.toc ol{margin:0;display:grid;gap:8px;font-size:.94rem}

/* Sidebar */
.sidebar{position:sticky;top:100px;display:grid;gap:26px}
.widget{background:#fff;border-radius:var(--radius);padding:26px;box-shadow:var(--shadow)}
.widget h3{font-family:'Inter',sans-serif;font-size:1rem;margin-bottom:16px}
.widget ul{list-style:none;padding:0;display:grid;gap:14px;font-size:.9rem}
.widget.cta{background:var(--dark);color:#9fb0a8;text-align:center}
.widget.cta h3{color:#fff;font-family:'Playfair Display',serif;font-size:1.3rem}
.widget.cta p{font-size:.9rem;margin-bottom:18px}

/* Author + disclaimer */
.author-box{display:flex;gap:20px;background:#fff;border-radius:var(--radius);padding:28px;
  box-shadow:var(--shadow);margin:50px 0 30px;align-items:flex-start}
.author-box .avatar{width:70px;height:70px;border-radius:50%;background:var(--green);color:#fff;
  display:grid;place-items:center;font-size:1.4rem;font-weight:600;flex-shrink:0}
.author-box h3{font-family:'Inter',sans-serif;font-size:1.05rem;margin-bottom:4px}
.author-box .role{font-size:.82rem;color:var(--green);font-weight:600;margin-bottom:10px}
.author-box p{font-size:.9rem;color:var(--muted);margin:0}
.disclaimer{font-size:.82rem;color:var(--muted);background:#f2f6f4;border-radius:12px;padding:20px 24px;margin:30px 0}
.sources{font-size:.87rem;color:var(--muted)}
.sources li{margin-bottom:8px}

/* FAQ */
details{background:#fff;border:1px solid #e6ece9;border-radius:12px;padding:18px 22px;margin-bottom:12px}
details summary{font-weight:600;color:var(--dark);cursor:pointer;list-style:none}
details summary::-webkit-details-marker{display:none}
details summary::after{content:'+';float:right;color:var(--green);font-size:1.3rem;line-height:1}
details[open] summary::after{content:'−'}
details p{margin:14px 0 0;font-size:.94rem}

/* Share */
.share{display:flex;gap:10px;align-items:center;margin:34px 0;flex-wrap:wrap;font-size:.88rem}
.share a{width:40px;height:40px;border-radius:10px;background:var(--green-light);color:var(--green);
  display:grid;place-items:center;font-weight:600;text-decoration:none}
.share a:hover{background:var(--green);color:#fff}

/* Footer */
footer{background:var(--dark);color:#9fb0a8;padding:60px 0 24px;font-size:.9rem}
.f-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:40px;padding-bottom:40px;
  border-bottom:1px solid rgba(255,255,255,.08)}
footer h4{color:#fff;font-family:'Inter',sans-serif;font-size:1rem;margin-bottom:16px}
footer ul{list-style:none;padding:0;display:grid;gap:10px}
footer a{color:#9fb0a8}
footer a:hover{color:var(--mint)}
.f-bottom{padding-top:22px;text-align:center;font-size:.82rem}

@media(max-width:900px){
  .article-wrap{grid-template-columns:1fr;gap:40px}
  .sidebar{position:static}
  .grid{grid-template-columns:repeat(2,1fr)}
  .f-grid{grid-template-columns:1fr 1fr}
  .nav-links{display:none}
}
@media(max-width:600px){
  .grid,.f-grid{grid-template-columns:1fr}
  .author-box{flex-direction:column}
  .hero-img{height:220px;font-size:4rem}
}