/*
Theme Name: DNA Construction
Theme URI: https://xaydungdna.vn
Author: DNA
Author URI: https://xaydungdna.vn
Description: Theme WordPress cho cong ty xay dung - thiet ke - noi that - sua chua. Toi uu toc do, SEO, co CPT Du an, quy trinh, form tu van. Tong xanh duong chuyen nghiep.
Version: 1.0.11
Requires at least: 5.9
Tested up to: 6.7
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: xaydung-dna
*/

:root{
  /* Nen xanh giay than dam (toi hon #102A4C ~58%) */
  --dna-bg:#0A192F;
  --dna-bg-alt:#0D2039;      /* section xen ke */
  --dna-bg-card:#102542;     /* card noi tren nen */
  --dna-bg-soft:#061120;     /* vung lot (input, chip) */
  --dna-bg-dark:#050D18;     /* header/footer/page-hero */
  --dna-bg-deep:#050D18;
  /* Chu */
  --dna-ink:#F2F6FF;
  --dna-body:#D5E0F0;
  --dna-muted:#93A8C6;
  /* Vang anh kim: 3 diem dung = 3 stop cua gradient */
  --dna-gold-soft:#F1E075;
  --dna-gold:#CFB05B;
  --dna-gold-deep:#AE7F41;
  --dna-gold-grad:linear-gradient(to right,#F1E075 0%,#AE7F41 100%);
  --dna-gold-grad-hover:linear-gradient(to right,#D9C55F 0%,#8F6732 100%);
  --dna-on-gold:#0A192F;     /* chu dat tren nen vang */
  --dna-gold-line:rgba(207,176,91,.24);
  --dna-gold-tint:rgba(207,176,91,.12);
  --dna-primary:#CFB05B;
  --dna-primary-dark:#AE7F41;
  --dna-primary-light:#F1E075;
  --dna-accent:#CFB05B;
  --dna-line:rgba(207,176,91,.24);
  --dna-radius:14px;
  --dna-radius-sm:8px;
  --dna-shadow:0 12px 34px rgba(0,0,0,.50);
  --dna-shadow-sm:0 6px 18px rgba(0,0,0,.40);
  --dna-wrap:1200px;
  --dna-font:"Be Vietnam Pro",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;
  --dna-h:"Be Vietnam Pro",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--dna-font);color:var(--dna-body);font-size:16px;line-height:1.7;background:var(--dna-bg);-webkit-font-smoothing:antialiased;overflow-x:hidden}
h1,h2,h3,h4,h5,h6{font-family:var(--dna-h);color:var(--dna-gold);line-height:1.25;margin:0 0 .5em;font-weight:700}
h1{font-size:2.4rem}h2{font-size:1.9rem}h3{font-size:1.3rem}
p{margin:0 0 1em}
a{color:var(--dna-primary);text-decoration:none;transition:color .2s}
a:hover{color:var(--dna-primary-dark)}
img{max-width:100%;height:auto;display:block}
ul{margin:0 0 1em;padding-left:1.2em}
.wrap{max-width:var(--dna-wrap);margin:0 auto;padding:0 20px}
.text-center{text-align:center}
.btn{display:inline-flex;align-items:center;gap:8px;padding:13px 28px;border-radius:50px;font-weight:600;font-size:.98rem;cursor:pointer;border:2px solid transparent;transition:.25s;line-height:1}
.btn-primary{background:var(--dna-gold-grad);color:var(--dna-on-gold)}
.btn-primary:hover{background:var(--dna-gold-grad-hover);color:var(--dna-on-gold);transform:translateY(-2px)}
.btn-accent{background:var(--dna-gold-grad);color:var(--dna-on-gold)}
.btn-accent:hover{background:var(--dna-gold-grad-hover);color:var(--dna-on-gold);transform:translateY(-2px)}
.btn-outline{border-color:#fff;color:#fff}
.btn-outline:hover{background:var(--dna-gold-grad);color:var(--dna-on-gold)}
.btn-ghost{border-color:var(--dna-primary);color:var(--dna-primary)}
.btn-ghost:hover{background:var(--dna-gold-grad);color:var(--dna-on-gold)}
.section{padding:72px 0}
.section-soft{background:var(--dna-bg-alt)}
.section-dark{background:var(--dna-bg-dark);color:var(--dna-body)}
.section-dark h2,.section-dark h3{color:#fff}
.eyebrow{display:inline-block;color:var(--dna-primary);font-weight:700;letter-spacing:2px;text-transform:uppercase;font-size:.82rem;margin-bottom:10px}
.section-head{margin-bottom:44px}
.section-head h2{position:relative;display:inline-block}
.section-head.center{text-align:center}
.section-head .lead{max-width:680px;margin:14px auto 0;color:var(--dna-body)}
.divider{width:70px;height:4px;background:var(--dna-gold-grad);border-radius:4px;margin:14px 0}
.section-head.center .divider{margin:14px auto}
.topbar{background:var(--dna-bg-deep);color:var(--dna-muted);font-size:.86rem}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;min-height:40px;flex-wrap:wrap;gap:6px}
.topbar a{color:var(--dna-body)}.topbar a:hover{color:var(--dna-gold-soft)}
.topbar .tb-left span{margin-right:18px;display:inline-flex;align-items:center;gap:6px}
.topbar .tb-left span .ti{font-size:1.05rem;flex:0 0 auto}
.topbar .tb-social a{margin-left:12px}
.site-header{position:sticky;top:0;z-index:900;background:var(--dna-bg-deep);border-bottom:1px solid var(--dna-gold-line);box-shadow:var(--dna-shadow-sm)}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;min-height:76px;gap:20px}
.site-logo img{max-height:54px;width:auto}
.site-logo .txt{font-size:1.4rem;font-weight:800;color:var(--dna-primary)}
.site-logo .txt small{display:block;font-size:.62rem;font-weight:500;color:var(--dna-muted);letter-spacing:1px}
.main-nav ul{display:flex;gap:4px;list-style:none;margin:0;padding:0}
.main-nav a{display:block;padding:12px 16px;color:var(--dna-ink);font-weight:600;font-size:.96rem;border-radius:8px}
.main-nav a:hover,.main-nav .current-menu-item>a{color:var(--dna-primary);background:var(--dna-bg-soft)}
.main-nav li{position:relative}
.main-nav .sub-menu{position:absolute;top:100%;left:0;min-width:240px;background:var(--dna-bg-card);border:1px solid var(--dna-gold-line);box-shadow:var(--dna-shadow);border-radius:10px;padding:8px;display:none;list-style:none;z-index:50}
.main-nav li:hover>.sub-menu{display:block}
.main-nav .sub-menu a{padding:10px 14px;font-weight:500}
.menu-item-has-children>a::after{content:"\ea5f";font-family:'tabler-icons';margin-left:5px;font-size:.85rem;color:var(--dna-muted)}
.header-cta{display:flex;align-items:center;gap:14px}
.header-phone{display:flex;align-items:center;gap:10px;font-weight:700;color:var(--dna-primary)}
.header-phone .ic{width:38px;height:38px;background:var(--dna-bg-soft);border-radius:50%;display:grid;place-items:center;color:var(--dna-primary)}
.header-phone small{display:block;font-size:.68rem;color:var(--dna-muted);font-weight:500}
.nav-toggle{display:none;background:none;border:0;cursor:pointer;padding:8px;flex-direction:column;gap:5px}
.nav-toggle span{width:26px;height:3px;background:var(--dna-ink);border-radius:3px;transition:.3s}
.nav-toggle.open span:nth-child(1){transform:translateY(8px) rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}
.hero{position:relative;color:#fff;overflow:hidden}
.hero-slides{position:relative;height:min(78vh,620px)}
.hero-slide{position:absolute;inset:0;opacity:0;transition:opacity 1s ease;background-size:cover;background-position:center}
.hero-slide.active{opacity:1}
.hero-slide::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(10,25,47,.90) 0%,rgba(10,25,47,.60) 55%,rgba(10,25,47,.30) 100%)}
.hero-inner{position:absolute;inset:0;display:flex;align-items:center;z-index:3}
.hero-inner .wrap{width:100%}
.hero-content{max-width:640px}
.hero-content .kicker{display:inline-block;background:var(--dna-gold-tint);color:var(--dna-gold-soft);border:1px solid rgba(207,176,91,.45);padding:6px 16px;border-radius:50px;font-weight:600;font-size:.85rem;margin-bottom:18px}
.hero-content h1{color:#fff;font-size:clamp(2rem,4.5vw,3.4rem);margin-bottom:16px;text-shadow:0 2px 20px rgba(0,0,0,.3)}
.hero-content p{font-size:1.12rem;color:#e2e9f5;margin-bottom:28px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.hero-dots{position:absolute;bottom:24px;left:0;right:0;z-index:4;display:flex;gap:10px;justify-content:center}
.hero-dots button{width:12px;height:12px;border-radius:50%;border:0;background:rgba(255,255,255,.45);cursor:pointer;padding:0}
.hero-dots button.active{background:var(--dna-gold-grad);width:30px;border-radius:6px}
.hero-strip{background:var(--dna-bg-deep);color:var(--dna-body)}
.hero-strip .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:1px}
.hero-strip .cell{padding:22px 20px;display:flex;align-items:center;gap:14px}
.hero-strip .cell+.cell{box-shadow:-1px 0 0 rgba(207,176,91,.22)}
.hero-strip .ic{width:44px;height:44px;background:var(--dna-gold-tint);color:var(--dna-gold);border-radius:12px;display:grid;place-items:center;font-size:1.3rem;flex:0 0 auto}
.hero-strip b{display:block;font-size:1.02rem}
.hero-strip span{font-size:.85rem;color:var(--dna-muted)}
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center}
.about-media{position:relative}
.about-media img{border-radius:var(--dna-radius);box-shadow:var(--dna-shadow)}
.about-badge{position:absolute;right:-10px;bottom:-10px;background:var(--dna-gold-grad);color:var(--dna-on-gold);padding:20px 26px;border-radius:var(--dna-radius);box-shadow:var(--dna-shadow);text-align:center}
.about-badge b{font-size:2.4rem;display:block;line-height:1}
.about-badge span{font-size:.82rem;text-transform:uppercase;letter-spacing:1px}
.about-list{list-style:none;padding:0;margin:18px 0}
.about-list li{padding:7px 0 7px 32px;position:relative}
.about-list li::before{content:"\ea5e";font-family:'tabler-icons';position:absolute;left:0;top:7px;width:22px;height:22px;background:var(--dna-gold-grad);color:var(--dna-on-gold);border-radius:50%;display:grid;place-items:center;font-size:.8rem}
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.svc-card{background:var(--dna-bg-card);border:1px solid var(--dna-line);border-radius:var(--dna-radius);overflow:hidden;transition:.3s;display:flex;flex-direction:column}
.svc-card:hover{transform:translateY(-6px);box-shadow:var(--dna-shadow);border-color:var(--dna-gold-deep)}
.svc-thumb{aspect-ratio:16/10;overflow:hidden}
.svc-thumb img{width:100%;height:100%;object-fit:cover;transition:.4s}
.svc-card:hover .svc-thumb img{transform:scale(1.06)}
.svc-body{padding:22px;flex:1;display:flex;flex-direction:column}
.svc-body h3{font-size:1.18rem}
.svc-body h3 a{color:var(--dna-gold)}
.svc-card:hover h3 a{color:var(--dna-gold-soft)}
.svc-body p{font-size:.94rem;flex:1}
.svc-more{color:var(--dna-primary);font-weight:600;font-size:.92rem}
.proc-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}
.proc-card{background:var(--dna-bg-card);border-radius:var(--dna-radius);padding:28px 20px;text-align:center;border:1px solid var(--dna-line);position:relative;transition:.3s}
.proc-card:hover{background:var(--dna-gold-grad);border-color:var(--dna-primary);transform:translateY(-6px)}
.proc-card:hover h3,.proc-card:hover p{color:var(--dna-on-gold)}
.proc-num{width:56px;height:56px;margin:0 auto 16px;border-radius:50%;background:var(--dna-gold-tint);color:var(--dna-gold);display:grid;place-items:center;font-size:1.5rem;font-weight:800}
.proc-card:hover .proc-num{background:rgba(10,25,47,.18);color:var(--dna-on-gold)}
.proc-card h3{font-size:1.05rem}
.proc-card p{font-size:.88rem;margin:0}
.proj-filter{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-bottom:34px}
.proj-filter button{border:1px solid var(--dna-line);background:var(--dna-bg-card);color:var(--dna-body);padding:10px 22px;border-radius:50px;font-weight:600;cursor:pointer;transition:.25s;font-size:.92rem;font-family:inherit}
.proj-filter button.active,.proj-filter button:hover{background:var(--dna-gold-grad);color:var(--dna-on-gold);border-color:var(--dna-primary)}
.proj-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.proj-card{position:relative;border-radius:var(--dna-radius);overflow:hidden;box-shadow:var(--dna-shadow-sm);background:#000}
.proj-card img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:.5s}
.proj-card:hover img{transform:scale(1.08);opacity:.75}
.proj-overlay{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:flex-end;padding:22px;background:linear-gradient(transparent 40%,rgba(5,13,24,.94))}
.proj-overlay .cat{color:var(--dna-accent);font-size:.78rem;font-weight:700;text-transform:uppercase;letter-spacing:1px}
.proj-overlay h3{color:#fff;font-size:1.08rem;margin:6px 0 0}
.proj-overlay h3 a{color:#fff}
.proj-overlay h3 a:hover{color:var(--dna-accent)}
.proj-hidden{display:none!important}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center}
.stat b{font-size:2.8rem;color:var(--dna-accent);font-weight:800;display:block;line-height:1}
.stat span{color:var(--dna-muted);font-size:.95rem}
.team-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.team-card{text-align:center}
.team-photo{aspect-ratio:1;border-radius:var(--dna-radius);overflow:hidden;margin-bottom:14px;box-shadow:var(--dna-shadow-sm)}
.team-photo img{width:100%;height:100%;object-fit:cover;transition:.4s}
.team-card:hover .team-photo img{transform:scale(1.05)}
.team-card h3{font-size:1.1rem;margin:0}
.team-card span{color:var(--dna-primary);font-size:.9rem;font-weight:600}
.feat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.feat-card{display:flex;gap:18px;padding:26px;background:var(--dna-bg-card);border-radius:var(--dna-radius);border:1px solid var(--dna-line)}
.feat-ic{width:56px;height:56px;flex:0 0 auto;border-radius:14px;background:var(--dna-gold-tint);color:var(--dna-gold);display:grid;place-items:center;font-size:1.6rem}
.feat-card h3{font-size:1.12rem}
.feat-card p{margin:0;font-size:.92rem}
.cta-band{background:linear-gradient(120deg,#102542,#0B1D33);border:1px solid var(--dna-gold-line);color:var(--dna-body);border-radius:var(--dna-radius);padding:44px;display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap}
.cta-band h2{color:var(--dna-gold);margin:0}
.cta-band p{margin:6px 0 0;color:var(--dna-body)}
.lead-form{background:var(--dna-bg-card);border:1px solid var(--dna-gold-line);border-radius:var(--dna-radius);box-shadow:var(--dna-shadow);padding:34px}
.lead-form .row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.lead-form label{font-weight:600;font-size:.9rem;color:var(--dna-ink);display:block;margin-bottom:6px}
.lead-form input,.lead-form select,.lead-form textarea{width:100%;padding:12px 14px;border:1px solid var(--dna-line);border-radius:var(--dna-radius-sm);font-family:inherit;font-size:.95rem;margin-bottom:16px;background:var(--dna-bg-soft);color:var(--dna-ink)}
.lead-form input:focus,.lead-form select:focus,.lead-form textarea:focus{outline:none;border-color:var(--dna-primary);background:rgba(6,17,32,.78);box-shadow:0 0 0 3px var(--dna-gold-tint)}
.lead-form textarea{min-height:110px;resize:vertical}
.form-note{font-size:.82rem;color:var(--dna-muted);margin-top:4px}
.sidebar .lead-form{box-shadow:none;padding:0;border-radius:0}
.sidebar .lead-form .row{grid-template-columns:1fr;gap:0}
.sidebar .lead-form .btn{width:100%;justify-content:center}
.form-msg{padding:12px 16px;border-radius:8px;margin-bottom:16px;font-size:.92rem;display:none}
.form-msg.ok{display:block;background:rgba(34,197,94,.14);color:#8FE3B0;border:1px solid rgba(34,197,94,.38)}
.form-msg.err{display:block;background:rgba(239,68,68,.14);color:#FFAEAD;border:1px solid rgba(239,68,68,.38)}
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.post-card{background:var(--dna-bg-card);border:1px solid var(--dna-line);border-radius:var(--dna-radius);overflow:hidden;transition:.3s;display:flex;flex-direction:column}
.post-card:hover{box-shadow:var(--dna-shadow);transform:translateY(-4px)}
.post-thumb{aspect-ratio:16/10;overflow:hidden}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:.4s}
.post-card:hover .post-thumb img{transform:scale(1.05)}
.post-body{padding:20px;flex:1;display:flex;flex-direction:column}
.post-meta{font-size:.8rem;color:var(--dna-muted);margin-bottom:8px}
.post-body h3{font-size:1.08rem}
.post-body h3 a{color:var(--dna-gold)}
.post-card:hover h3 a{color:var(--dna-gold-soft)}
.post-body p{font-size:.9rem;flex:1}
.page-hero{background:var(--dna-bg-dark);color:#fff;padding:56px 0;position:relative}
.page-hero h1{color:#fff;margin:0}
.breadcrumb{font-size:.88rem;color:var(--dna-muted);margin-bottom:10px}
.breadcrumb a{color:var(--dna-body)}
.breadcrumb span{color:var(--dna-accent)}
.content-area{padding:60px 0}
.layout{display:grid;grid-template-columns:1fr 320px;gap:40px}
.entry-content h2{margin-top:1.6em}
.entry-content h3{margin-top:1.4em}
.entry-content img{border-radius:var(--dna-radius);margin:1.2em 0}
.entry-content table{width:100%;border-collapse:collapse;margin:1.2em 0}
.entry-content th,.entry-content td{border:1px solid var(--dna-line);padding:12px 14px;text-align:left}
.entry-content th{background:var(--dna-gold-grad);color:var(--dna-on-gold)}
.entry-content blockquote{border-left:4px solid var(--dna-accent);background:var(--dna-bg-soft);margin:1.4em 0;padding:16px 22px;border-radius:0 8px 8px 0}
.sidebar .widget{background:var(--dna-bg-card);border:1px solid var(--dna-line);border-radius:var(--dna-radius);padding:22px;margin-bottom:24px}
.sidebar .widget-title{font-size:1.05rem;margin-bottom:14px;padding-bottom:10px;border-bottom:2px solid var(--dna-primary)}
.sidebar ul{list-style:none;padding:0;margin:0}
.sidebar li{padding:8px 0;border-bottom:1px dashed var(--dna-line)}
.sidebar li:last-child{border:0}
.spec-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin:24px 0}
.spec{display:flex;gap:12px;align-items:center;background:var(--dna-bg-soft);padding:14px 16px;border-radius:var(--dna-radius-sm)}
.spec b{color:var(--dna-ink)}
.spec span{color:var(--dna-muted);font-size:.85rem;display:block}
.site-footer{background:var(--dna-bg-dark);color:var(--dna-muted);padding:60px 0 0;border-top:1px solid var(--dna-gold-line)}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:34px;padding-bottom:40px}
.site-footer h4{color:var(--dna-gold);font-size:1.05rem;margin-bottom:18px}
.site-footer a{color:var(--dna-muted)}.site-footer a:hover{color:var(--dna-gold-soft)}
.site-footer ul{list-style:none;padding:0;margin:0}
.site-footer li{padding:5px 0}
.footer-brand img{max-height:56px;width:auto;height:auto;max-width:180px;object-fit:contain;margin-bottom:14px}
.site-logo img{object-fit:contain}
.footer-social a svg{width:18px;height:18px;fill:currentColor}
.footer-social a .ti{font-size:18px}
.footer-hours{background:var(--dna-gold-tint);border:1px solid var(--dna-gold-line);border-radius:10px;padding:14px 16px;margin-top:16px;font-size:.88rem}
.footer-hours b{color:var(--dna-gold-soft);display:block;margin-bottom:4px}
.footer-map{border-radius:12px;overflow:hidden;margin-top:6px;border:1px solid var(--dna-gold-line)}
.footer-social{display:flex;gap:10px;margin-top:16px}
.footer-social a{width:38px;height:38px;border-radius:50%;background:var(--dna-gold-tint);display:grid;place-items:center;color:var(--dna-gold)}
.footer-social a:hover{background:var(--dna-gold-grad);color:var(--dna-on-gold)}
.footer-bottom{border-top:1px solid var(--dna-gold-line);padding:20px 0;font-size:.86rem;text-align:center}
.footer-contact-item{display:flex;gap:10px;margin-bottom:12px;font-size:.9rem}
.footer-contact-item .ic{color:var(--dna-accent);flex:0 0 auto}
.footer-contact-item .ic .ti{font-size:1.05rem}
.float-contact{position:fixed;left:16px;bottom:16px;z-index:950;display:flex;flex-direction:column;gap:12px}
.float-contact a{width:52px;height:52px;border-radius:50%;display:grid;place-items:center;color:var(--dna-on-gold);box-shadow:var(--dna-shadow);font-size:1.4rem;position:relative}
.float-contact .fc-phone{background:var(--dna-gold-grad);animation:pulse 2s infinite}
.float-contact .fc-zalo{background:#0068ff;font-size:.8rem;font-weight:800;color:#fff}
.float-contact .fc-mess{background:#7b2ff7;color:#fff}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(207,176,91,.55)}70%{box-shadow:0 0 0 16px rgba(207,176,91,0)}100%{box-shadow:0 0 0 0 rgba(207,176,91,0)}}
.pagination{display:flex;gap:8px;justify-content:center;margin-top:40px;flex-wrap:wrap}
.pagination .page-numbers{padding:10px 16px;border:1px solid var(--dna-line);border-radius:8px;color:var(--dna-ink);font-weight:600}
.pagination .page-numbers.current,.pagination .page-numbers:hover{background:var(--dna-gold-grad);color:var(--dna-on-gold);border-color:var(--dna-primary)}
@media(max-width:992px){
  .about-grid,.layout{grid-template-columns:1fr;gap:34px}
  .svc-grid,.proj-grid,.post-grid,.feat-grid{grid-template-columns:repeat(2,1fr)}
  .proc-grid{grid-template-columns:repeat(2,1fr)}
  .team-grid{grid-template-columns:repeat(2,1fr)}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:30px}
  .hero-strip .wrap{grid-template-columns:repeat(2,1fr)}
  .hero-strip .cell+.cell{box-shadow:none}
  .sidebar{order:2}
}
@media(max-width:768px){
  .section{padding:52px 0}
  h1{font-size:1.9rem}h2{font-size:1.55rem}
  .main-nav{position:fixed;top:0;right:-100%;width:82%;max-width:340px;height:100vh;background:var(--dna-bg-deep);border-left:1px solid var(--dna-gold-line);box-shadow:-10px 0 40px rgba(0,0,0,.45);padding:80px 20px 30px;transition:right .3s;overflow-y:auto;z-index:905}
  .main-nav.open{right:0}
  .main-nav ul{flex-direction:column;gap:0}
  .main-nav a{padding:14px 12px;border-bottom:1px solid var(--dna-line);border-radius:0}
  .main-nav .sub-menu{position:static;display:block;background:transparent;border:0;box-shadow:none;padding:0 0 0 16px;min-width:0}
  .menu-item-has-children>a::after{float:right}
  .nav-toggle{display:flex}
  .header-phone small{display:none}
  .nav-backdrop{position:fixed;inset:0;background:rgba(0,0,0,.6);z-index:904;opacity:0;visibility:hidden;transition:.3s}
  .nav-backdrop.show{opacity:1;visibility:visible}
  .lead-form .row{grid-template-columns:1fr}
  .cta-band{padding:30px;text-align:center;justify-content:center}
  .footer-grid{grid-template-columns:1fr 1fr}
  .spec-grid{grid-template-columns:1fr}
}
@media(max-width:520px){
  .svc-grid,.proj-grid,.post-grid,.feat-grid,.proc-grid,.team-grid,.stats-grid,.footer-grid,.hero-strip .wrap{grid-template-columns:1fr}
  .topbar .tb-left span{display:none}
  .topbar .tb-left span:first-child{display:inline-flex}
}


/* ==== Trang lien he ==== */
.lh-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.lh-card{background:var(--dna-bg-card);border:1px solid var(--dna-line);border-radius:var(--dna-radius);padding:26px 20px;text-align:center;transition:.3s;display:block;color:var(--dna-body)}
.lh-card:hover{transform:translateY(-5px);box-shadow:var(--dna-shadow);color:var(--dna-body)}
.lh-ic{width:52px;height:52px;border-radius:50%;background:var(--dna-gold-tint);color:var(--dna-gold);display:grid;place-items:center;font-size:1.4rem;margin:0 auto 12px}
.lh-card b{display:block;color:var(--dna-ink);font-size:1.02rem;margin-bottom:5px}
.lh-card span:last-child{font-size:.9rem;line-height:1.5;display:block}
.lh-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:stretch}
.lh-map{border-radius:var(--dna-radius);overflow:hidden;min-height:420px;height:100%;box-shadow:var(--dna-shadow-sm)}
.lh-map-empty{display:grid;place-items:center;background:var(--dna-bg-card);border:1px dashed var(--dna-line);color:var(--dna-muted);font-size:.9rem;padding:20px;text-align:center}
.lh-social{display:flex;gap:12px;margin-top:20px;flex-wrap:wrap}
.lh-social a{border:1px solid var(--dna-line);border-radius:50px;padding:8px 20px;font-size:.9rem;font-weight:600;background:var(--dna-bg-card)}
.lh-social a:hover{background:var(--dna-gold-grad);color:var(--dna-on-gold);border-color:var(--dna-primary)}
@media(max-width:992px){.lh-cards{grid-template-columns:repeat(2,1fr)}.lh-grid{grid-template-columns:1fr}.lh-map{min-height:300px}}
@media(max-width:520px){.lh-cards{grid-template-columns:1fr}}

/* ==== Landing dich vu ==== */
.svc-hero{position:relative;background-size:cover;background-position:center;color:#fff}
.svc-hero-inner{background:linear-gradient(90deg,rgba(10,25,47,.92) 0%,rgba(10,25,47,.64) 60%,rgba(10,25,47,.40) 100%);padding:90px 0}
.svc-hero h1{color:#fff;font-size:clamp(1.8rem,3.6vw,2.8rem);max-width:700px}
.svc-hero-sub{font-size:1.1rem;color:var(--dna-body);max-width:620px;margin-bottom:26px}
.svc-hero .breadcrumb{color:var(--dna-muted)}

/* ==== Trang gioi thieu ==== */
.gt-hero{background:var(--dna-bg-dark);padding:80px 0;text-align:center}
.gt-kicker{display:inline-block;border:1px solid var(--dna-accent);color:var(--dna-accent);font-size:.78rem;letter-spacing:2px;text-transform:uppercase;padding:5px 16px;border-radius:20px;margin-bottom:18px}
.gt-line{color:#fff;font-size:clamp(1.3rem,2.6vw,1.9rem);font-weight:600;max-width:720px;margin:0 auto;line-height:1.5}
.gt-dna-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.gt-dna-card{background:var(--dna-bg-card);border:1px solid var(--dna-line);border-radius:var(--dna-radius);padding:34px 26px;text-align:center;transition:.3s}
.gt-dna-card:hover{transform:translateY(-6px);box-shadow:var(--dna-shadow)}
.gt-letter{font-size:3rem;font-weight:800;color:var(--dna-primary);line-height:1;margin-bottom:12px}
.gt-dna-card h3{font-size:1.1rem;color:var(--dna-gold)}
.gt-dna-card p{font-size:.92rem;margin:0}
.gt-avatar{width:96px;height:96px;border-radius:50%;background:var(--dna-gold-tint);color:var(--dna-gold);display:grid;place-items:center;font-size:1.6rem;font-weight:700;margin:0 auto 14px;border:2px solid var(--dna-line)}
.gt-avatar-img{overflow:hidden;padding:0}
.gt-avatar-img img{width:100%;height:100%;object-fit:cover;border-radius:50%}
.gt-quote{font-size:.86rem;font-style:italic;color:var(--dna-muted);margin:8px 0 0}
.gt-two-col{display:grid;grid-template-columns:1fr 1fr;gap:44px}
.gt-sub{font-size:1.2rem;margin-bottom:18px;padding-bottom:10px;border-bottom:2px solid var(--dna-primary);display:inline-block}
.gt-cert-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.gt-cert{background:var(--dna-bg-card);border:1px solid var(--dna-line);border-radius:var(--dna-radius-sm);padding:14px;text-align:center}
.gt-cert img{border-radius:6px;margin-bottom:8px;aspect-ratio:3/4;object-fit:cover;width:100%}
.gt-cert-ph{font-size:2rem;display:block;margin-bottom:8px;opacity:.5}
.gt-cert small{font-size:.78rem;color:var(--dna-body);line-height:1.4;display:block}
.gt-timeline{border-left:3px solid var(--dna-primary);padding-left:22px}
.gt-tl-item{position:relative;padding-bottom:20px}
.gt-tl-item::before{content:"";position:absolute;left:-29px;top:6px;width:11px;height:11px;border-radius:50%;background:var(--dna-gold-grad);border:2px solid var(--dna-bg);box-shadow:0 0 0 2px var(--dna-primary)}
.gt-tl-item b{color:var(--dna-ink);display:block}
.gt-tl-item span{font-size:.92rem}
@media(max-width:768px){.gt-dna-grid,.gt-two-col{grid-template-columns:1fr}}

/* ==== Chi tiết dự án & bài viết ==== */
.page-hero .post-meta{color:var(--dna-muted);margin:8px 0 0}
.post-media{border-radius:var(--dna-radius);overflow:hidden;margin-bottom:24px}
.post-media img{width:100%;height:auto}
.comments-area{margin-top:44px;padding-top:28px;border-top:1px solid var(--dna-line)}
.comments-area .widget-title{font-size:1.05rem;margin-bottom:16px;padding-bottom:10px;border-bottom:2px solid var(--dna-primary)}
.comment-list,.comment-list .children{list-style:none;padding:0;margin:0}
.comment-list .children{padding-left:28px;margin-top:16px}
.comment-body{background:var(--dna-bg-card);border:1px solid var(--dna-line);border-radius:var(--dna-radius-sm);padding:18px;margin-bottom:16px}
.comment-author{display:flex;align-items:center;gap:10px;font-weight:700;color:var(--dna-ink)}
.comment-author img{border-radius:50%;margin:0;flex:0 0 auto}
.comment-meta{font-size:.8rem;color:var(--dna-muted);margin:6px 0 10px}
.comment-content{margin:0}
.comment-reply-link{font-size:.85rem;font-weight:600}
.comment-respond{margin-top:30px}
.comment-respond .comment-reply-title{display:block;font-size:1.05rem;margin-bottom:14px;padding-bottom:10px;border-bottom:2px solid var(--dna-primary)}
.comment-respond p{margin:0 0 14px}
.comment-respond label{display:block;font-weight:600;font-size:.9rem;color:var(--dna-ink);margin-bottom:6px}
.comment-respond input[type="text"],.comment-respond input[type="email"],.comment-respond input[type="url"],.comment-respond textarea{width:100%;padding:12px 14px;border:1px solid var(--dna-line);border-radius:var(--dna-radius-sm);font-family:inherit;font-size:.95rem;background:var(--dna-bg-soft);color:var(--dna-ink)}
.comment-respond input:focus,.comment-respond textarea:focus{outline:none;border-color:var(--dna-primary);background:rgba(6,17,32,.78)}
.comment-respond textarea{min-height:120px;resize:vertical}
.comment-respond .form-submit input#submit{background:var(--dna-gold-grad);color:var(--dna-on-gold);border:0;padding:13px 28px;border-radius:50px;font-weight:600;font-size:.98rem;font-family:inherit;cursor:pointer;transition:.25s}
.comment-respond .form-submit input#submit:hover{background:var(--dna-gold-grad-hover)}
.comment-form-cookies-consent{display:flex;align-items:flex-start;gap:8px;font-size:.86rem;color:var(--dna-muted)}
.comment-form-cookies-consent input{margin-top:5px}
.comment-form-cookies-consent label{font-weight:400;color:var(--dna-muted);margin:0}

/* ==== Trang giới thiệu (khối nội dung tĩnh) ==== */
.dna-story{font-family:'Segoe UI',Arial,sans-serif;padding:0 20px;background:var(--dna-bg);color:var(--dna-body)}
.dna-story *{box-sizing:border-box}
.dna-story-wrap{max-width:1140px;margin:0 auto}
.dna-story-title{font-size:30px;font-weight:800;color:var(--dna-ink);line-height:1.35;margin:0 0 14px}
.dna-story-title span{color:var(--dna-gold)}
.dna-story-line{width:60px;height:3px;background:var(--dna-gold-grad);border-radius:2px;margin:0 0 44px}
.dna-story-hero{display:flex;flex-wrap:wrap;gap:44px;align-items:center;margin-bottom:64px}
.dna-story-text{flex:1 1 460px;min-width:300px}
.dna-story-kicker{display:inline-block;font-size:13px;font-weight:700;text-transform:uppercase;letter-spacing:1px;color:var(--dna-gold);margin-bottom:12px}
.dna-story-text h3{font-size:20px;font-weight:700;color:var(--dna-gold);margin:0 0 14px}
.dna-story-text p{font-size:15px;line-height:1.75;margin:0 0 14px}
.dna-story-media{flex:1 1 380px;min-width:280px;position:relative}
.dna-story-media::before{content:"";position:absolute;top:-14px;left:-14px;width:120px;height:120px;border-top:4px solid var(--dna-gold);border-left:4px solid var(--dna-gold);border-radius:14px 0 0 0}
.dna-story-media img{position:relative;width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:14px;box-shadow:0 16px 36px rgba(0,0,0,.45);display:block}
.dna-story-mission h3{text-align:center;font-size:22px;font-weight:700;color:var(--dna-gold);margin:0 0 8px}
.dna-story-mission .dna-story-sub{text-align:center;font-size:15px;color:var(--dna-muted);margin:0 0 36px}
.dna-value-grid{display:flex;flex-wrap:wrap;gap:22px;margin-bottom:64px}
.dna-value{flex:1 1 46%;min-width:280px;background:var(--dna-bg-card);border-radius:14px;padding:24px 26px;display:flex;gap:18px;align-items:flex-start;border-left:4px solid var(--dna-gold);transition:transform .3s,box-shadow .3s}
.dna-value:hover{transform:translateY(-4px);box-shadow:0 10px 24px rgba(0,0,0,.40)}
.dna-value-num{flex-shrink:0;width:40px;height:40px;border-radius:50%;background:var(--dna-gold-grad);color:var(--dna-on-gold);font-size:16px;font-weight:800;display:flex;align-items:center;justify-content:center}
.dna-value h4{font-size:16px;font-weight:700;color:var(--dna-gold);margin:0 0 6px}
.dna-value p{font-size:14px;line-height:1.65;color:var(--dna-body);margin:0}
.dna-story-today{display:flex;flex-wrap:wrap;gap:36px;align-items:stretch}
.dna-today-text{flex:1 1 480px;min-width:300px}
.dna-today-text h3{font-size:20px;font-weight:700;color:var(--dna-gold);margin:0 0 14px}
.dna-today-text p{font-size:15px;line-height:1.75;margin:0 0 14px}
.dna-commit{flex:1 1 340px;min-width:280px;background:var(--dna-bg-deep);border:1px solid var(--dna-gold-line);border-radius:16px;padding:38px 32px;display:flex;flex-direction:column;justify-content:center;position:relative;overflow:hidden}
.dna-commit::before{content:"\201C";position:absolute;top:-30px;left:14px;font-size:150px;font-weight:800;color:var(--dna-gold);opacity:.22;line-height:1}
.dna-commit-label{font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:1.5px;color:var(--dna-gold);margin-bottom:14px}
.dna-commit-quote{font-size:19px;font-weight:700;color:var(--dna-ink);line-height:1.55;margin:0}
.dna-commit-quote em{color:var(--dna-gold);font-style:normal}
.dn-spacer{display:flex;align-items:center;justify-content:center;gap:14px;padding:48px 20px}
.dn-spacer-line{height:1px;width:120px;max-width:28vw;background:linear-gradient(90deg,transparent,rgba(207,176,91,.5))}
.dn-spacer-line:last-child{background:linear-gradient(90deg,rgba(207,176,91,.5),transparent)}
.dn-spacer-diamond{width:9px;height:9px;background:var(--dna-gold-grad);transform:rotate(45deg);border-radius:2px;flex-shrink:0}
.dn-spacer-dot{width:5px;height:5px;background:var(--dna-gold-deep);border-radius:50%;flex-shrink:0}
.dna-section{font-family:'Segoe UI',Arial,sans-serif;padding:64px 20px;background:var(--dna-bg-alt)}
.dna-title{text-align:center;font-size:28px;font-weight:700;color:var(--dna-ink);margin:0 0 12px}
.dna-title-line{width:60px;height:3px;background:var(--dna-gold-grad);margin:0 auto 48px;border-radius:2px}
.dna-grid{display:flex;flex-wrap:wrap;justify-content:center;gap:24px;max-width:1140px;margin:0 auto}
.dna-card{position:relative;flex:1 1 260px;max-width:340px;background:var(--dna-bg-card);border:1px solid var(--dna-gold-line);border-radius:16px;padding:36px 26px 30px;text-align:center;box-shadow:0 4px 18px rgba(0,0,0,.35);overflow:hidden;transition:transform .3s,box-shadow .3s}
.dna-card:hover{transform:translateY(-6px);box-shadow:0 14px 30px rgba(0,0,0,.5)}
.dna-card::before{content:attr(data-letter);position:absolute;top:-18px;right:-6px;font-size:110px;font-weight:800;color:var(--dna-gold);opacity:.08;line-height:1;pointer-events:none}
.dna-icon{width:84px;height:84px;margin:0 auto 18px;background:var(--dna-gold-tint);border-radius:50%;display:flex;align-items:center;justify-content:center;transition:background .3s}
.dna-card:hover .dna-icon{background:rgba(207,176,91,.2)}
.dna-icon svg{width:44px;height:44px}
.dna-letter{display:inline-block;font-size:30px;font-weight:800;color:var(--dna-gold);line-height:1;margin-bottom:6px;position:relative}
.dna-letter::after{content:"";position:absolute;left:50%;transform:translateX(-50%);bottom:-6px;width:22px;height:3px;background:var(--dna-gold-grad);border-radius:2px}
.dna-name{font-size:17px;font-weight:700;color:var(--dna-gold);margin:16px 0 8px}
.dna-desc{font-size:13.5px;color:var(--dna-muted);line-height:1.6;margin:0}
.dn-team-section{font-family:'Segoe UI',Arial,sans-serif;padding:0 20px;background:var(--dna-bg)}
.dn-team-title{text-align:center;font-size:28px;font-weight:700;color:var(--dna-ink);margin:0 0 12px}
.dn-team-title-line{width:60px;height:3px;background:var(--dna-gold-grad);margin:0 auto 50px;border-radius:2px}
.dn-team-grid{display:flex;flex-wrap:wrap;justify-content:center;gap:24px;max-width:1140px;margin:0 auto}
.dn-team-card{flex:1 1 220px;max-width:260px;background:var(--dna-bg-card);border:1px solid var(--dna-gold-line);border-radius:14px;overflow:hidden;box-shadow:0 4px 18px rgba(0,0,0,.35);transition:transform .3s,box-shadow .3s}
.dn-team-card:hover{transform:translateY(-6px);box-shadow:0 12px 28px rgba(0,0,0,.5)}
.dn-team-photo{position:relative;width:100%;aspect-ratio:3/4;background:var(--dna-bg-alt);overflow:hidden}
.dn-team-photo img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .4s}
.dn-team-card:hover .dn-team-photo img{transform:scale(1.05)}
.dn-team-photo::after{content:"";position:absolute;left:0;right:0;bottom:0;height:4px;background:var(--dna-gold-grad)}
.dn-team-info{padding:18px 16px 22px;text-align:center}
.dn-team-name{font-size:17px;font-weight:700;color:var(--dna-gold);margin:0 0 4px}
.dn-team-role{font-size:13px;font-weight:600;color:var(--dna-gold);text-transform:uppercase;letter-spacing:.5px;margin:0 0 12px}
.dn-team-quote{font-size:13px;font-style:italic;color:var(--dna-muted);margin:0;line-height:1.55;position:relative;padding-top:12px}
.dn-team-quote::before{content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);width:30px;height:1px;background:rgba(207,176,91,.25)}
@media(max-width:767px){
  .dna-story-title{font-size:24px}
  .dna-value{flex:1 1 100%}
  .dna-card{flex:1 1 100%;max-width:360px}
  .dn-team-card{flex:1 1 42%}
}
@media(max-width:480px){.dn-team-card{flex:1 1 100%;max-width:300px}}


/* ==== Vang anh kim & lop hoan thien giao dien toi ==== */
.section-soft{position:relative}
.section-soft::before,.section-soft::after{content:"";position:absolute;left:0;right:0;height:1px;pointer-events:none;
  background:linear-gradient(to right,transparent 0%,rgba(207,176,91,.5) 26%,#F1E075 50%,rgba(207,176,91,.5) 74%,transparent 100%)}
.section-soft::before{top:0}
.section-soft::after{bottom:0}
.lead-form input::placeholder,.lead-form textarea::placeholder,
.comment-respond input::placeholder,.comment-respond textarea::placeholder{color:#7C93B3}
.lead-form select,.comment-respond select{color:var(--dna-ink)}
.lead-form select option{background:var(--dna-bg-card);color:var(--dna-ink)}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,[tabindex]:focus-visible{outline:2px solid var(--dna-gold);outline-offset:2px}
::selection{background:var(--dna-gold-grad);color:var(--dna-on-gold)}
.entry-content a:not(.btn){color:var(--dna-gold);text-decoration:underline;text-underline-offset:3px}
.entry-content a:not(.btn):hover{color:var(--dna-gold-soft)}
/* Tieu de lon: chu vang kim gradient (co fallback mau phang cho trinh duyet cu) */
.section-head h2,.dna-title,.dn-team-title,.page-hero h1,.dna-story-title{color:var(--dna-gold)}
@supports (-webkit-background-clip:text) or (background-clip:text){
  .section-head h2,.dna-title,.dn-team-title,.page-hero h1,.dna-story-title{
    background:linear-gradient(to right,#F1E075 0%,#AE7F41 100%);
    -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
  }
  .dna-story-title span{-webkit-text-fill-color:var(--dna-gold-soft)}
  .cta-band h2,.proc-card:hover h3,.proj-overlay h3,.site-footer h4,.hero-content h1,.entry-content th{-webkit-text-fill-color:currentColor}
}