/* บทความบ้านนายช่าง — luxury (ขาว-ดำ-ทอง) */
:root{--gold:#bfa15f;--gold-d:#a8884a;--ink:#1a1a1a;--muted:#8c8c8c;--bg:#fff;--soft:#f6f5f2;--dark:#161616;--line:#eaeaea;--green:#06c755}
*{box-sizing:border-box}
body{margin:0;font-family:'Kanit',system-ui,sans-serif;color:var(--ink);background:var(--bg);line-height:1.85;font-weight:300}
a{color:var(--gold);text-decoration:none}
img{max-width:100%}
.nav{display:flex;align-items:center;gap:16px;padding:16px 32px;border-bottom:1px solid var(--line);position:sticky;top:0;background:rgba(255,255,255,.97);backdrop-filter:blur(8px);z-index:10;flex-wrap:wrap}
.nav .brand{display:flex;align-items:center;gap:10px;font-weight:500;font-size:18px;color:var(--ink);letter-spacing:.5px}
.nav .brand-logo{height:34px;width:auto;display:block}
.nav-links{margin-left:auto;display:flex;gap:28px}
.nav-links a{color:var(--ink);font-weight:400;font-size:15px;letter-spacing:.3px}
.nav-links a:hover{color:var(--gold)}
.nav .nav-cta{background:var(--gold);color:#fff;padding:9px 20px;border-radius:2px;font-weight:500;font-size:14px;letter-spacing:.3px}
.eyebrow{color:var(--gold);letter-spacing:4px;text-transform:uppercase;font-size:12px;margin:0 0 14px}
.art-hero{min-height:46vh;display:flex;align-items:flex-end;background-size:cover;background-position:center;color:#fff;padding:50px 24px}
.art-hero-in{max-width:820px;margin:0 auto;width:100%}
.art-hero .breadcrumb{font-size:13px;color:#cfcfcf;margin-bottom:18px;letter-spacing:.3px}
.art-hero .breadcrumb a{color:#cfcfcf}.art-hero .breadcrumb strong{color:#fff}
.art-hero h1{font-size:40px;font-weight:300;line-height:1.3;margin:0 0 14px;letter-spacing:.3px;text-shadow:0 2px 22px rgba(0,0,0,.45)}
.art-hero .meta{font-size:13px;color:#dcdcdc;letter-spacing:.3px}
.art-index-hero{text-align:center;padding:84px 24px 60px;background:var(--soft)}
.art-index-hero h1{font-size:42px;font-weight:300;margin:0 0 14px;letter-spacing:.5px}
.art-index-hero .sub{color:var(--muted);font-size:16px;max-width:600px;margin:0 auto;line-height:1.85}
.index-main{max-width:1140px;margin:0 auto;padding:60px 32px 84px}
.sec-title{font-size:26px;font-weight:300;margin:46px 0 28px;letter-spacing:.5px;padding-bottom:14px;border-bottom:1px solid var(--line)}
.card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:24px}
.card{display:block;background:#fff;border:1px solid var(--line);padding:26px 24px;transition:.2s}
.card:hover{border-color:var(--gold);box-shadow:0 12px 30px rgba(0,0,0,.06);transform:translateY(-3px)}
.card h3{margin:0 0 12px;font-size:18px;font-weight:500;color:var(--ink);line-height:1.45}
.card p{margin:0 0 14px;color:var(--muted);font-size:14px;line-height:1.7}
.card time{font-size:12px;color:var(--gold);letter-spacing:.5px}
.article{max-width:760px;margin:0 auto;padding:56px 24px 64px}
.body h2{font-size:25px;font-weight:400;margin:42px 0 16px;color:var(--ink);letter-spacing:.2px}
.body p{margin:0 0 20px;font-size:17px;color:#3a3a3a;line-height:1.95}
.body .caption{color:var(--muted);font-size:14px;font-style:italic;margin:-10px 0 18px}
.cta-box{background:var(--dark);color:#fff;padding:54px 32px;text-align:center;margin-top:48px}
.cta-box h3{margin:0 0 12px;font-size:26px;font-weight:300;letter-spacing:.3px}
.cta-box p{margin:0 auto 22px;color:#bbb;max-width:560px;line-height:1.9}
.cta-btns{display:flex;gap:14px;flex-wrap:wrap;justify-content:center}
.btn{padding:13px 28px;border-radius:2px;font-weight:500;font-size:14px;letter-spacing:.5px}
.btn-primary{background:var(--gold);color:#fff}
.btn-line{background:var(--green);color:#fff}
.footer{background:var(--dark);color:#999;border-top:2px solid var(--gold);padding:50px 24px 30px;text-align:center}
.footer p{margin:6px 0;font-size:14px;line-height:1.8}
.footer .small{font-size:13px;color:#777}
@media(max-width:600px){.art-hero h1{font-size:28px}.art-index-hero h1{font-size:30px}.body p{font-size:16px}.nav{padding:14px 20px}.nav-links{gap:16px}}