/* Góc thiết kế — hub /goc-thiet-ke/ + trang công trình (16/10/2026). Chỉ nạp ở 2 loại trang này. */
.vln-gtk-hub,.vln-gtk-single{--red:#c42129;--ink:#232927;--muted:#6f766f;--line:#e7e8e3}

/* ---------- Hub ---------- */
.vln-gtk-hub .gtk-hero{max-width:900px}
.vln-gtk-hub .gtk-hero h1 .gtk-page{font-weight:400;color:var(--muted);font-size:.6em}
.gtk-intro p{color:#515954;line-height:1.75;margin:0 0 10px}
.gtk-intro .gtk-local a{color:var(--red);font-weight:700}
.gtk-filter{display:grid;grid-template-columns:minmax(0,1.4fr) repeat(3,minmax(0,1fr)) auto;gap:10px;margin:6px 0 22px}
.gtk-f{margin:0}
.gtk-filter input,.gtk-filter select{width:100%;height:44px;margin:0;border:1px solid var(--line);border-radius:10px;padding:0 12px;font-size:14px;background:#fff;box-shadow:none;color:var(--ink)}
.gtk-filter button{height:44px;margin:0;padding:0 18px;border:0;border-radius:10px;background:var(--ink);color:#fff;font-weight:700;text-transform:none;letter-spacing:0}
.gtk-sresult{margin:-8px 0 16px;color:var(--muted)}
.gtk-sresult a{color:var(--red)}
.gtk-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.gtk-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;transition:box-shadow .25s ease,transform .25s ease}
.gtk-card:hover{transform:translateY(-3px);box-shadow:0 16px 32px -22px rgba(35,41,39,.4)}
.gtk-card .pj-img{display:block;aspect-ratio:4/3;overflow:hidden;background:#eef0ec}
.gtk-card .pj-img img{display:block;width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
.gtk-card:hover .pj-img img{transform:scale(1.04)}
.gtk-card .pj-body{display:flex;flex-direction:column;gap:6px;padding:14px 16px 18px}
.gtk-card small{font-size:12px;color:var(--muted);line-height:1.5}
.gtk-card h3{font-size:16px;line-height:1.45;margin:0;text-transform:none;letter-spacing:0}
.gtk-card h3 a{color:var(--ink);text-decoration:none;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.gtk-card h3 a:hover{color:var(--red)}
.gtk-card h3 a::after{content:"";position:absolute;inset:0}
.gtk-card{position:relative}
.gtk-card p{margin:0;font-size:14px;line-height:1.6;color:#515954;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.gtk-pages{display:flex;justify-content:center;gap:8px;margin:28px 0 0}
.gtk-pages a,.gtk-pages span{min-width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:10px;color:var(--ink);text-decoration:none;font-weight:600}
.gtk-pages span{background:var(--ink);border-color:var(--ink);color:#fff}
.gtk-pages a:hover{border-color:var(--red);color:var(--red)}
.gtk-empty{padding:24px 0;color:var(--muted)}

/* ---------- Vật liệu (hub + trang công trình) ---------- */
.gtk-materials{margin:40px 0 0}
.gtk-materials h2{font-size:24px;margin:0 0 6px;color:var(--ink);text-transform:none;letter-spacing:0}
.gtk-materials>p{margin:0 0 14px;color:#515954}
.gtk-mat-row{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:12px}
.gtk-mat{display:flex;flex-direction:column;gap:4px;padding:14px 16px;border:1px solid var(--line);border-radius:12px;background:#fff;color:var(--ink);text-decoration:none;transition:border-color .2s}
.gtk-mat strong{font-size:15px}
.gtk-mat span{font-size:13px;line-height:1.5;color:#515954}
.gtk-mat em{font-style:normal;font-size:13px;color:var(--red);margin-top:auto;padding-top:4px}
.gtk-mat:hover{border-color:var(--red)}
.gtk-materials .pj-prod-row{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin-top:16px}

/* ---------- Trang công trình ---------- */
.gtk-facts{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0;margin:0 0 22px;border:1px solid var(--line);border-radius:12px;overflow:hidden;background:#fafaf8}
.gtk-facts>div{padding:10px 14px;border-bottom:1px solid var(--line)}
.gtk-facts>div:nth-child(odd){border-right:1px solid var(--line)}
.gtk-facts dt,.gtk-facts dd{text-transform:none;letter-spacing:0}
.gtk-facts dt{font-size:12px;color:var(--muted);font-weight:400;margin:0}
.gtk-facts dd{margin:2px 0 0;font-weight:700;font-size:14px}
.gtk-facts dd a{color:var(--ink);text-decoration:underline;text-decoration-color:#c9ccc6}
.gtk-facts dd a:hover{color:var(--red)}
.gtk-faq{margin:32px 0 0;padding:20px 22px;border-radius:14px;background:#f6f7f4}
.gtk-faq h2{margin-top:0}
.gtk-faq-item{padding:12px 0;border-top:1px solid var(--line)}
.gtk-faq-item h3{font-size:16px;margin:0 0 6px}
.gtk-faq-item p:last-child{margin-bottom:0}
.gtk-dsg .pj-btn{margin-top:10px}
.gtk-dsg a:not(.pj-btn){color:var(--red);font-size:14px}
.vln-gtk-single .gtk-related{margin:40px 0 0}
.vln-gtk-single .gtk-related .pj-head{display:flex;justify-content:space-between;align-items:baseline;gap:12px;margin-bottom:14px}
.vln-gtk-single .gtk-related h2{font-size:22px;margin:0;text-transform:none;letter-spacing:0}
.vln-gtk-single .gtk-related .pj-head a{color:var(--red);font-size:14px;white-space:nowrap}
.vln-gtk-single .vln-connect{margin-top:40px}
.vln-gtk-single .reading-body img{height:auto;max-width:100%;border-radius:10px}
.gtk-preview{border:2px dashed #b26200;background:#fff8e5;border-radius:12px;padding:14px 18px;margin:0 0 18px;font-size:14px;line-height:1.55}
.gtk-preview dl{display:grid;grid-template-columns:200px 1fr;gap:4px 14px;margin:10px 0 0}
.gtk-preview dt{font-weight:700}
.gtk-preview dd{margin:0}
.gtk-preview ul{margin:0 0 0 18px}

@media(max-width:1050px){.gtk-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.gtk-filter{grid-template-columns:1fr 1fr}.gtk-f--s{grid-column:1/-1}.gtk-materials .pj-prod-row{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:760px){
.gtk-grid{grid-template-columns:1fr;gap:16px}
.gtk-filter{grid-template-columns:1fr}
.gtk-facts{grid-template-columns:1fr}
.gtk-facts>div:nth-child(odd){border-right:0}
.gtk-preview dl{grid-template-columns:1fr}
.gtk-materials .pj-prod-row{display:flex;overflow-x:auto;scroll-snap-type:x mandatory}
.gtk-materials .pj-prod-row>*{flex:0 0 68%;scroll-snap-align:start}
}
/* Flatsome định dạng dt/dd (inline, in hoa) → đặt lại trong phạm vi Góc thiết kế */
.vln-gtk-single .gtk-facts dt,.vln-gtk-single .gtk-facts dd,.vln-gtk-single .gtk-preview dt,.vln-gtk-single .gtk-preview dd{display:block;float:none;text-transform:none!important;letter-spacing:0!important;font-family:inherit}
.vln-gtk-single .gtk-preview,.vln-gtk-single .gtk-preview *{text-transform:none!important;letter-spacing:0}
/* Video trong bài công trình */
.gtk-video{margin:18px 0}
.gtk-video iframe{display:block;width:100%;height:auto;aspect-ratio:16/9;border:0;border-radius:12px;background:#000}
.gtk-video--v iframe{aspect-ratio:9/16;max-width:360px;margin:0 auto}