/* ===== X8DESIGN — Blog / Danh mục dịch vụ (khớp style.css: gold + Cormorant/Montserrat) ===== */
.blog-hero{position:relative;background:#1a1a1a;color:#fff;padding:150px 0 70px;overflow:hidden}
.blog-hero .bh-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.32}
.blog-hero .bh-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(20,20,20,.6),rgba(20,20,20,.92))}
.blog-hero .bh-inner{position:relative;z-index:2;max-width:1080px;margin:0 auto;padding:0 48px}
.blog-hero .bh-eyebrow{font-size:12px;letter-spacing:3px;text-transform:uppercase;color:var(--accent);margin-bottom:16px}
.blog-hero h1{font-family:var(--serif);font-weight:500;font-size:clamp(2.2rem,4.6vw,3.6rem);line-height:1.1;margin-bottom:14px}
.blog-hero p{font-weight:300;color:rgba(255,255,255,.8);max-width:640px;font-size:1.05rem}
.crumb{font-size:12px;letter-spacing:1px;text-transform:uppercase;color:rgba(255,255,255,.6);margin-bottom:14px}
.crumb a:hover{color:var(--accent)}
.crumb span{color:var(--accent)}

.blog-wrap{max-width:1180px;margin:0 auto;padding:70px 48px}

/* Category listing */
.cat-intro{max-width:760px;margin:0 auto 50px;text-align:center}
.cat-intro .section-eyebrow{color:var(--accent);font-size:12px;letter-spacing:3px;text-transform:uppercase;margin-bottom:14px}
.cat-intro h2{font-family:var(--serif);font-weight:500;font-size:2.2rem;margin-bottom:12px}
.cat-intro p{color:var(--muted);font-weight:300}
.cat-tabs{display:flex;gap:12px;flex-wrap:wrap;justify-content:center;margin-bottom:48px}
.cat-tabs a{font-size:12px;letter-spacing:1.5px;text-transform:uppercase;padding:11px 22px;border:1px solid var(--line);color:var(--muted);transition:all .3s;border-radius:2px}
.cat-tabs a:hover,.cat-tabs a.active{background:var(--ink);color:#fff;border-color:var(--ink)}

.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:32px}
.post-card{border:1px solid var(--line);background:#fff;overflow:hidden;display:flex;flex-direction:column;transition:box-shadow .4s ease,transform .4s ease}
.post-card:hover{box-shadow:0 20px 50px rgba(0,0,0,.1);transform:translateY(-5px)}
.post-thumb{aspect-ratio:16/10;overflow:hidden;position:relative}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .7s ease}
.post-card:hover .post-thumb img{transform:scale(1.06)}
.post-thumb .pc-tag{position:absolute;top:12px;left:12px;background:rgba(255,255,255,.94);color:var(--accent-dark);font-size:10px;font-weight:600;letter-spacing:1.5px;text-transform:uppercase;padding:5px 11px}
.post-body{padding:24px 24px 28px;display:flex;flex-direction:column;flex:1}
.post-body h3{font-family:var(--serif);font-weight:500;font-size:1.4rem;line-height:1.25;margin-bottom:12px}
.post-body h3 a:hover{color:var(--accent-dark)}
.post-body p{color:var(--muted);font-weight:300;font-size:.9rem;margin-bottom:18px;flex:1}
.post-more{font-size:11px;letter-spacing:2px;text-transform:uppercase;color:var(--accent-dark);font-weight:600}

/* Article: header luôn đặc (nền trắng) vì không có hero tối */
body.art-page .site-header{background:rgba(255,255,255,.97);box-shadow:0 1px 20px rgba(0,0,0,.06);height:68px;backdrop-filter:blur(8px)}
body.art-page .site-header .main-nav a,body.art-page .site-header .social a,body.art-page .site-header .search-btn{color:var(--ink)}
body.art-page .site-header .logo-img{filter:none;height:44px}
body.art-page .site-header .menu-toggle span{background:var(--ink)}

/* Article */
.art-wrap{max-width:800px;margin:0 auto;padding:104px 32px 40px}
.art-cat{display:inline-block;font-size:11px;letter-spacing:2px;text-transform:uppercase;color:var(--accent-dark);border:1px solid var(--accent);padding:6px 14px;margin-bottom:18px}
.art-wrap h1{font-family:var(--serif);font-weight:500;font-size:clamp(1.9rem,4vw,2.8rem);line-height:1.16;margin-bottom:16px}
.art-meta{display:flex;gap:18px;flex-wrap:wrap;color:var(--muted);font-size:13px;margin-bottom:8px}
.art-hero-img{width:100%;height:400px;object-fit:cover;margin:22px 0 34px}
.art-body{font-size:1.05rem;font-weight:300;line-height:1.85;color:#2a2a2a}
.art-body h2{font-family:var(--serif);font-weight:500;font-size:1.75rem;color:var(--ink);margin:44px 0 16px}
.art-body h3{font-family:var(--serif);font-weight:600;font-size:1.35rem;margin:30px 0 12px}
.art-body p{margin-bottom:20px}
.art-body ul,.art-body ol{margin:0 0 22px 4px}
.art-body li{margin-bottom:10px;padding-left:24px;position:relative;list-style:none}
.art-body ul li::before{content:"";position:absolute;left:0;top:11px;width:7px;height:7px;background:var(--accent);border-radius:50%}
.art-body ol{counter-reset:li}
.art-body ol li{counter-increment:li}
.art-body ol li::before{content:counter(li);position:absolute;left:0;top:0;color:var(--accent-dark);font-weight:600;font-family:var(--serif);font-size:1.05rem}
.art-body strong{font-weight:600;color:var(--ink)}
.art-body img{width:100%;margin:30px 0 8px}
.art-body .imgcap{text-align:center;color:var(--muted);font-size:.85rem;margin-bottom:26px}
.art-body .callout{background:#faf7f1;border:1px solid #ece3d3;padding:24px 28px;margin:28px 0}
.art-body .callout .ct{font-size:11px;letter-spacing:2px;text-transform:uppercase;color:var(--accent-dark);font-weight:600;margin-bottom:6px}
.hashtags{display:flex;flex-wrap:wrap;gap:8px;margin:28px 0 4px}
.tagchip{font-size:12px;color:var(--accent-dark);background:#faf7f1;border:1px solid #ece3d3;padding:6px 13px;border-radius:30px}
.art-cta{background:#1a1a1a;color:#fff;text-align:center;padding:44px 30px;margin:40px 0}
.art-cta h2{font-family:var(--serif);font-weight:500;color:#fff;font-size:1.8rem;margin-bottom:10px}
.art-cta p{color:rgba(255,255,255,.75);font-weight:300;max-width:520px;margin:0 auto 22px}
.art-cta .hero-cta{display:inline-block}
.art-back{margin-top:24px}
.art-back a{font-size:11px;letter-spacing:2px;text-transform:uppercase;color:var(--accent-dark);font-weight:600}
.author-card{display:flex;gap:20px;align-items:center;border:1px solid var(--line);padding:26px;margin:36px 0}
.author-card img{width:80px;height:80px;border-radius:50%;object-fit:cover;flex:0 0 auto}
.author-card .an{font-family:var(--serif);font-size:1.3rem}
.author-card .ar{font-size:12px;color:var(--accent-dark);letter-spacing:1px;text-transform:uppercase;margin:4px 0 8px}
.author-card p{font-size:.9rem;color:var(--muted);font-weight:300}

/* ===== Liên hệ ===== */
.contact-grid{display:grid;grid-template-columns:1fr 1.05fr;gap:64px;align-items:start}
.ci-list{margin-bottom:26px}
.ci{display:flex;gap:16px;padding:20px 0;border-bottom:1px solid var(--line)}
.ci:last-child{border-bottom:none}
.ci .ic{width:44px;height:44px;flex:0 0 auto;border:1px solid var(--accent);color:var(--accent-dark);display:grid;place-items:center;border-radius:50%}
.ci .ic svg{width:19px;height:19px}
.ci .lbl{font-size:11px;letter-spacing:2px;text-transform:uppercase;color:var(--muted);margin-bottom:4px}
.ci .val{font-size:1.02rem;color:var(--ink)}
.ci .val a:hover{color:var(--accent-dark)}
.cmap{margin-top:22px;height:300px;border:1px solid var(--line);overflow:hidden}
.cmap iframe{width:100%;height:100%;border:0}
.cform{background:#faf7f1;border:1px solid #ece3d3;padding:40px}
.cform h3{font-family:var(--serif);font-weight:500;font-size:1.7rem;margin-bottom:6px}
.cform .fsub{color:var(--muted);font-weight:300;font-size:.92rem;margin-bottom:24px}
.cf-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.cf-field{margin-bottom:16px}
.cf-field label{display:block;font-size:12px;letter-spacing:1px;text-transform:uppercase;color:var(--ink);margin-bottom:7px}
.cf-field input,.cf-field select,.cf-field textarea{width:100%;padding:13px 15px;border:1px solid var(--line);background:#fff;font-family:var(--sans);font-weight:300;font-size:.95rem;color:var(--ink);transition:border .3s}
.cf-field input:focus,.cf-field select:focus,.cf-field textarea:focus{outline:none;border-color:var(--accent)}
.cf-field textarea{resize:vertical;min-height:110px}
.cform .hero-cta{border:none;cursor:pointer;width:100%;text-align:center}
.cf-note{display:none;margin-top:14px;color:var(--accent-dark);font-size:.9rem}

@media(max-width:900px){
  .contact-grid{grid-template-columns:1fr;gap:40px}
  .cf-row{grid-template-columns:1fr}
  .post-grid{grid-template-columns:1fr 1fr}
  .blog-hero .bh-inner,.blog-wrap{padding-left:24px;padding-right:24px}
}
@media(max-width:600px){
  .post-grid{grid-template-columns:1fr}
  .art-hero-img{height:240px}
}