/* ── Reset ── */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
img{display:block;max-width:100%}
a{text-decoration:none}
button{cursor:pointer;font-family:inherit}

:root{
  --primary-50:#f0f7f4;--primary-100:#d4ebe1;--primary-500:#5a9b7d;
  --primary-700:#3d7a5e;--primary-900:#2a5943;
  --secondary-100:#e8e4f3;--secondary-500:#9b87c7;--secondary-700:#7461a8;
  --neutral-50:#fafaf9;--neutral-100:#f5f5f4;--neutral-200:#e7e5e4;
  --neutral-300:#d6d3d1;--neutral-500:#78716c;--neutral-600:#57534e;
  --neutral-700:#44403c;--neutral-900:#1c1917;
  --font-heading:'Playfair Display',Georgia,serif;
  --font-body:'Inter','SF Pro Display',system-ui,-apple-system,sans-serif;
  --radius-sm:8px;--radius-md:12px;--radius-lg:16px;--radius-full:9999px;
  --shadow-sm:0 1px 3px rgba(0,0,0,.08);
  --shadow-md:0 4px 12px rgba(0,0,0,.10);
  --shadow-lg:0 12px 30px rgba(0,0,0,.15);
}

body{font-family:var(--font-body);font-size:18px;line-height:1.6;
     color:var(--neutral-900);background:var(--neutral-50)}

/* ── Nav ── */
.nav{position:sticky;top:0;background:rgba(255,255,255,.95);
     backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
     border-bottom:1px solid var(--neutral-200);z-index:1000;
     transition:box-shadow .3s}
.nav.scrolled{box-shadow:var(--shadow-md)}
.nav-container{max-width:1280px;margin:0 auto;padding:0 2rem;height:72px;
               display:flex;align-items:center;justify-content:space-between}
.nav-logo{display:flex;align-items:center;gap:.5rem;font-family:var(--font-heading);
          font-size:1.4rem;font-weight:700;color:var(--primary-700)}
.nav-logo-img{width:38px;height:38px;object-fit:contain;border-radius:var(--radius-sm);flex-shrink:0}
.nav-menu{display:flex;list-style:none;gap:2rem;align-items:center}
.nav-link{color:var(--neutral-700);font-size:.9375rem;font-weight:500;
          position:relative;transition:color .2s}
.nav-link:hover,.nav-link.active{color:var(--primary-700)}
.nav-link::after{content:'';position:absolute;bottom:-4px;left:0;width:0;
                 height:2px;background:var(--primary-500);transition:width .3s}
.nav-link:hover::after,.nav-link.active::after{width:100%}
.nav-icons{display:flex;gap:.75rem}
.icon-btn{width:38px;height:38px;border:none;background:transparent;
          border-radius:var(--radius-sm);display:flex;align-items:center;
          justify-content:center;color:var(--neutral-600);font-size:1.1rem;transition:all .2s}
.icon-btn:hover{background:var(--neutral-100);color:var(--primary-700)}
.hamburger{display:none;flex-direction:column;gap:5px;padding:8px}
.hamburger span{display:block;width:22px;height:2px;background:var(--neutral-700);
                border-radius:2px;transition:all .3s}

/* ── Badges ── */
.badge{display:inline-block;padding:.3rem .85rem;border-radius:var(--radius-full);
       font-size:.8125rem;font-weight:700;letter-spacing:.01em}
.badge-green{background:var(--primary-100);color:var(--primary-700)}
.badge-purple{background:var(--secondary-100);color:var(--secondary-700)}
.badge-amber{background:#fef3c7;color:#92400e}
.badge-blue{background:#dbeafe;color:#1d4ed8}
.badge-rose{background:#ffe4e6;color:#be123c}
.badge-neutral{background:var(--neutral-200);color:var(--neutral-700)}

/* ── Container / Section ── */
.container{max-width:1280px;margin:0 auto;padding:0 2rem}
.section{padding:4rem 0}
.section-header{margin-bottom:2.5rem}
.section-title{font-family:var(--font-heading);font-size:2.25rem;font-weight:700;
               color:var(--neutral-900);margin-bottom:.5rem}
.section-subtitle{font-size:1.0625rem;color:var(--neutral-600)}

/* ── Article cards ── */
.article-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:2rem}
.article-card{background:#fff;border-radius:var(--radius-md);overflow:hidden;
              box-shadow:var(--shadow-sm);transition:all .3s;display:flex;flex-direction:column}
.article-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.article-card-img{width:100%;aspect-ratio:16/9;object-fit:cover}
.article-card-body{padding:1.5rem;flex:1;display:flex;flex-direction:column;gap:.5rem}
.article-card-title{font-family:var(--font-heading);font-size:1.375rem;font-weight:700;
                    color:var(--neutral-900);line-height:1.3;
                    display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.article-card-excerpt{color:var(--neutral-600);font-size:.9375rem;line-height:1.65;
                      display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;
                      overflow:hidden;flex:1}
.article-meta{font-size:.8125rem;color:var(--neutral-500);display:flex;
              align-items:center;gap:.4rem;flex-wrap:wrap}
.read-more{display:inline-flex;align-items:center;gap:.35rem;
           color:var(--primary-700);font-weight:600;font-size:.9375rem;
           transition:gap .2s;margin-top:.25rem}
.read-more:hover{gap:.6rem}

/* ── Featured Article ── */
.featured-article{background:#fff;border-radius:var(--radius-lg);overflow:hidden;
                  box-shadow:var(--shadow-md);display:grid;
                  grid-template-columns:1fr 1fr;margin-bottom:4rem;
                  transition:all .3s}
.featured-article:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg)}
.featured-article .feat-img{width:100%;height:100%;min-height:360px;object-fit:cover}
.featured-article .feat-body{padding:3rem;display:flex;flex-direction:column;justify-content:center;gap:1rem}
.featured-title{font-family:var(--font-heading);font-size:2rem;font-weight:700;
                color:var(--neutral-900);line-height:1.25}
.featured-excerpt{color:var(--neutral-600);line-height:1.75}

/* ── Categories strip ── */
.categories-section{background:linear-gradient(135deg,var(--primary-50),var(--secondary-100));padding:4rem 0}
.category-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:1.5rem}
.category-card{background:#fff;padding:2rem 1.5rem;border-radius:var(--radius-md);
               text-align:center;cursor:pointer;transition:all .3s;
               border:2px solid transparent;text-decoration:none;display:block}
.category-card:hover{border-color:var(--primary-500);transform:translateY(-4px);box-shadow:var(--shadow-md)}
.category-icon{font-size:2.25rem;margin-bottom:.75rem}
.category-name{font-family:var(--font-heading);font-size:1.125rem;font-weight:700;
               color:var(--neutral-900);margin-bottom:.25rem}
.category-count{color:var(--neutral-500);font-size:.8125rem}

/* ── Newsletter ── */
.newsletter-section{background:linear-gradient(135deg,var(--primary-500),var(--secondary-500));
                    padding:4rem 2rem;border-radius:var(--radius-lg);text-align:center;
                    color:#fff;margin:4rem 0}
.newsletter-title{font-family:var(--font-heading);font-size:2.25rem;font-weight:700;margin-bottom:.75rem}
.newsletter-subtitle{font-size:1.0625rem;opacity:.95;margin-bottom:2rem;max-width:580px;margin-inline:auto}
.newsletter-form{display:flex;gap:1rem;max-width:480px;margin:0 auto}
.newsletter-input{flex:1;padding:.875rem 1.5rem;border:none;border-radius:var(--radius-full);
                  font-size:1rem;outline:none;font-family:var(--font-body)}
.newsletter-btn{padding:.875rem 2rem;background:var(--neutral-900);color:#fff;
                border:none;border-radius:var(--radius-full);font-size:.9375rem;
                font-weight:700;white-space:nowrap;transition:all .2s}
.newsletter-btn:hover{background:var(--neutral-700);transform:scale(1.05)}
.newsletter-note{margin-top:.75rem;font-size:.8125rem;opacity:.85}

/* ── Hero ── */
.hero{height:60vh;min-height:400px;max-height:600px;position:relative;
      background:linear-gradient(135deg,#3d7a5eee,#7461a8cc);
      display:flex;align-items:center;justify-content:center;
      color:#fff;text-align:center;overflow:hidden}
.hero-overlay{position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(61,122,94,.85),rgba(116,97,168,.75))}
.hero-content{position:relative;z-index:1;max-width:800px;padding:2rem;
              animation:fadeUp .9s ease-out;display:flex;flex-direction:column;align-items:center}
.hero-logo{width:220px;height:220px;object-fit:contain;border-radius:50%;
           box-shadow:0 4px 24px rgba(0,0,0,.25);margin-bottom:1.25rem}
@keyframes fadeUp{from{opacity:0;transform:translateY(28px)}to{opacity:1;transform:translateY(0)}}
.hero-title{font-family:var(--font-heading);font-size:3.75rem;font-weight:700;
            margin-bottom:1rem;line-height:1.15}
.hero-subtitle{font-size:1.25rem;opacity:.95;margin-bottom:2rem;font-weight:300}
.hero-cta{padding:.9rem 2.5rem;font-size:1.0625rem;font-weight:700;background:#fff;
          color:var(--primary-700);border:none;border-radius:var(--radius-full);
          transition:all .2s;box-shadow:var(--shadow-md)}
.hero-cta:hover{transform:scale(1.05);box-shadow:var(--shadow-lg)}

/* ── Article page ── */
.progress-bar{position:fixed;top:72px;left:0;width:0;height:3px;
              background:var(--primary-500);z-index:999;transition:width .1s}
.article-header{max-width:780px;margin:0 auto;padding:4rem 2rem 2rem;text-align:center}
.article-title{font-family:var(--font-heading);font-size:2.75rem;font-weight:700;
               line-height:1.2;margin-bottom:1.5rem;color:var(--neutral-900)}
.article-hero-img{width:100%;max-width:1100px;margin:0 auto 3rem;
                  padding:0 2rem;display:block}
.article-hero-img img{width:100%;border-radius:var(--radius-lg);
                      box-shadow:var(--shadow-lg)}
.article-body{max-width:680px;margin:0 auto;padding:0 2rem 4rem}
.article-body h2{font-family:var(--font-heading);font-size:1.875rem;font-weight:700;
                 margin:2.5rem 0 .875rem;color:var(--neutral-900)}
.article-body h3{font-family:var(--font-heading);font-size:1.5rem;font-weight:600;
                 margin:2rem 0 .75rem;color:var(--neutral-900)}
.article-body h4{font-family:var(--font-heading);font-size:1.25rem;font-weight:600;
                 margin:1.5rem 0 .5rem}
.article-body p{margin-bottom:1.5em;line-height:1.8;font-size:1.0625rem}
.article-body ul,.article-body ol{margin-bottom:1.5em;padding-left:2rem}
.article-body li{margin-bottom:.5em;line-height:1.75}
.article-body img{border-radius:var(--radius-md);margin:1.5rem 0;
                  box-shadow:var(--shadow-sm);max-width:100%}
.article-body a{color:var(--primary-700);text-decoration:underline}
.article-body a:hover{color:var(--primary-500)}
.article-body blockquote{border-left:4px solid var(--primary-500);
                         background:var(--primary-50);padding:1.25rem 1.5rem;
                         margin:2rem 0;border-radius:0 var(--radius-sm) var(--radius-sm) 0;
                         font-style:italic;color:var(--neutral-700)}
.callout{padding:1.25rem 1.5rem;margin:2rem 0;border-radius:var(--radius-sm);border-left:4px solid}
.callout-tip{background:var(--primary-50);border-color:var(--primary-500)}
.callout-warning{background:#fef3c7;border-color:#fbbf24}
.callout-info{background:var(--secondary-100);border-color:var(--secondary-500)}

.article-footer{max-width:680px;margin:0 auto;padding:2rem;
                border-top:2px solid var(--neutral-200)}
.tags-row{display:flex;flex-wrap:wrap;gap:.6rem;margin-bottom:2rem}
.tag{padding:.4rem .9rem;background:var(--neutral-100);color:var(--neutral-700);
     border-radius:var(--radius-full);font-size:.8125rem;transition:all .2s}
.tag:hover{background:var(--primary-100);color:var(--primary-700)}
.share-row{display:flex;gap:.75rem;flex-wrap:wrap;margin-bottom:2rem}
.share-btn{padding:.6rem 1.25rem;border:2px solid var(--neutral-200);background:#fff;
           border-radius:var(--radius-sm);font-size:.9375rem;color:var(--neutral-700);
           transition:all .2s}
.share-btn:hover{border-color:var(--primary-500);color:var(--primary-700)}

/* ── Related ── */
.related-section{max-width:1100px;margin:0 auto;padding:0 2rem 4rem}
.related-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1.5rem;margin-top:2rem}
.related-card{background:#fff;border-radius:var(--radius-md);overflow:hidden;
              box-shadow:var(--shadow-sm);transition:all .3s;text-decoration:none;color:inherit}
.related-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.related-card img{width:100%;aspect-ratio:16/9;object-fit:cover}
.related-card-body{padding:1.25rem}
.related-card-title{font-family:var(--font-heading);font-size:1.125rem;font-weight:700;
                    line-height:1.3;color:var(--neutral-900)}

/* ── Blog listing ── */
.blog-header{background:linear-gradient(135deg,var(--primary-50),var(--secondary-100));
             padding:5rem 2rem 3rem;text-align:center}
.blog-header h1{font-family:var(--font-heading);font-size:3rem;font-weight:700;
                color:var(--neutral-900);margin-bottom:.75rem}
.blog-header p{font-size:1.125rem;color:var(--neutral-600);max-width:600px;margin:0 auto 2rem}
.filter-bar{display:flex;flex-wrap:wrap;gap:.6rem;justify-content:center}
.filter-btn{padding:.5rem 1.25rem;border:2px solid var(--neutral-200);background:#fff;
            border-radius:var(--radius-full);font-size:.875rem;font-weight:600;
            color:var(--neutral-700);cursor:pointer;transition:all .2s}
.filter-btn:hover,.filter-btn.active{background:var(--primary-500);border-color:var(--primary-500);color:#fff}
.search-bar{position:relative;max-width:500px;margin:1.5rem auto 0}
.search-bar input{width:100%;padding:.9rem 1rem .9rem 3rem;border:2px solid var(--neutral-200);
                  border-radius:var(--radius-full);font-size:1rem;font-family:var(--font-body);
                  transition:border-color .2s;background:#fff}
.search-bar input:focus{outline:none;border-color:var(--primary-500)}
.search-bar .icon{position:absolute;left:1rem;top:50%;transform:translateY(-50%);
                  color:var(--neutral-500);font-size:1.1rem}

/* ── Footer ── */
.footer{background:var(--neutral-100);padding:4rem 0 2rem}
.footer-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));
             gap:3rem;margin-bottom:3rem}
.footer-col h3{font-family:var(--font-heading);font-size:1.125rem;font-weight:700;
               margin-bottom:1rem;color:var(--neutral-900)}
.footer-col p{color:var(--neutral-600);line-height:1.75;font-size:.9375rem}
.footer-links{list-style:none}
.footer-links li{margin-bottom:.6rem}
.footer-links a{color:var(--neutral-600);font-size:.9375rem;transition:color .2s}
.footer-links a:hover{color:var(--primary-700)}
.social-row{display:flex;gap:.75rem;margin-top:.5rem}
.social-icon{width:38px;height:38px;border-radius:50%;background:var(--neutral-200);
             display:flex;align-items:center;justify-content:center;
             color:var(--neutral-700);transition:all .2s;font-size:1.1rem}
.social-icon:hover{background:var(--primary-500);color:#fff;transform:translateY(-2px)}
.footer-bottom{padding-top:2rem;border-top:1px solid var(--neutral-200);
               display:flex;align-items:center;justify-content:space-between;
               flex-wrap:wrap;gap:1rem;color:var(--neutral-500);font-size:.875rem}
.footer-bottom-links{display:flex;gap:1.5rem}
.footer-bottom-links a{color:var(--neutral-500);transition:color .2s}
.footer-bottom-links a:hover{color:var(--primary-700)}

/* ── Responsive ── */
@media(max-width:960px){
  .featured-article{grid-template-columns:1fr}
  .featured-article .feat-img{min-height:240px;max-height:320px}
}
@media(max-width:768px){
  .hero-title{font-size:2.25rem}
  .hero-subtitle{font-size:1rem}
  .nav-menu{display:none;position:fixed;inset:72px 0 0 0;background:#fff;
            flex-direction:column;padding:2rem;gap:1.5rem;z-index:999;
            border-top:1px solid var(--neutral-200)}
  .nav-menu.open{display:flex}
  .hamburger{display:flex}
  .newsletter-form{flex-direction:column}
  .section-title{font-size:1.75rem}
  .article-title{font-size:2rem}
  .blog-header h1{font-size:2.25rem}
}