:root{
  --ink:#1b1b1b; --ink-2:#2a2826; --taupe:#baa68d; --taupe-d:#94836f; --taupe-dd:#6b5d4d;
  --paper:#f5f1eb; --paper-2:#ebe4d9; --white:#fff; --text:#2b2724; --muted:#5f574f;
  --radius:4px; --maxw:1200px;
  --serif:var(--sans);
  --sans:"Be Vietnam Pro",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:80px}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important;animation:none!important}}
body{margin:0;font-family:var(--sans);font-weight:400;font-size:16px;line-height:1.65;color:var(--text);background:var(--paper);-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:inherit}
h1,h2,h3{font-family:var(--serif);font-weight:600;line-height:1.2;margin:0 0 .5em;letter-spacing:-.01em}
h2{font-size:clamp(1.7rem,2.9vw,2.4rem)}
h3{font-size:1.2rem}
p{margin:0 0 1em}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}
.sr-only{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.skip-link{position:absolute;left:12px;top:-60px;z-index:200;background:var(--taupe);color:var(--ink);padding:10px 16px;font-weight:600;border-radius:var(--radius)}
.skip-link:focus{top:12px}
:focus-visible{outline:3px solid #d9b77c;outline-offset:3px}

/* TODO markers */


/* Header */
.site-header{position:sticky;top:0;z-index:100;background:rgba(27,27,27,.96);backdrop-filter:blur(6px);color:var(--white);border-bottom:1px solid rgba(186,166,141,.25)}
.header-inner{display:flex;align-items:center;justify-content:space-between;min-height:72px;gap:24px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--taupe)}
.brand-mark{width:44px;height:auto;color:var(--taupe)}
.brand-text{display:flex;flex-direction:column;line-height:1}
.brand-name{font-family:var(--sans);font-weight:600;font-size:1.6rem;letter-spacing:.06em;color:#e3dacd}
.brand-tag{font-size:.62rem;letter-spacing:.22em;text-transform:uppercase;color:var(--taupe);margin-top:4px}
.main-nav{display:flex;align-items:center;gap:32px}
.main-nav ul{display:flex;gap:28px;list-style:none;margin:0;padding:0}
.main-nav ul a{text-decoration:none;font-size:.92rem;color:#e7e1d8;padding:6px 0;border-bottom:1px solid transparent;transition:border-color .2s,color .2s}
.main-nav ul a:hover{color:var(--taupe);border-color:var(--taupe)}
.nav-toggle{display:none;background:none;border:1px solid rgba(186,166,141,.5);width:44px;height:44px;border-radius:var(--radius);cursor:pointer;position:relative}
.nav-toggle-bar,.nav-toggle-bar::before,.nav-toggle-bar::after{display:block;width:20px;height:2px;background:#e7e1d8;position:absolute;left:11px;transition:transform .2s}
.nav-toggle-bar{top:21px}.nav-toggle-bar::before{content:"";top:-6px;left:0}.nav-toggle-bar::after{content:"";top:6px;left:0}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar{background:transparent}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar::before{transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar::after{transform:translateY(-6px) rotate(-45deg)}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:12px 26px;font-family:var(--sans);font-size:.95rem;font-weight:500;letter-spacing:.02em;text-decoration:none;border-radius:var(--radius);border:1px solid transparent;cursor:pointer;transition:background .2s,color .2s,border-color .2s}
.btn-sm{min-height:40px;padding:8px 18px;font-size:.88rem}
.btn-gold{background:var(--taupe);color:var(--ink)}
.btn-gold:hover{background:#cdbba3}
.btn-ghost{border-color:rgba(255,255,255,.7);color:var(--white)}
.btn-ghost:hover{background:rgba(255,255,255,.12)}
.btn-dark{background:var(--ink);color:var(--white)}
.btn-dark:hover{background:#3a3631}
.btn-outline{border-color:var(--taupe-dd);color:var(--ink);background:transparent}
.btn-outline:hover{background:var(--paper-2)}
.btn.is-disabled{opacity:.75;cursor:not-allowed}
.btn-block{width:100%}
.btn[disabled]{opacity:.7;cursor:progress}

/* Hero */
.hero{position:relative;min-height:min(86vh,760px);display:flex;align-items:flex-end;color:var(--white);overflow:hidden;background:var(--ink)}
.hero picture,.hero-img{position:absolute;inset:0;width:100%;height:100%}
.hero-img{object-fit:cover;object-position:center 40%}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(90deg,rgba(20,18,16,.86) 0%,rgba(20,18,16,.6) 45%,rgba(20,18,16,.15) 100%),linear-gradient(0deg,rgba(20,18,16,.7),transparent 45%)}
.hero-content{position:relative;padding-top:120px;padding-bottom:72px}
.hero h1{font-size:clamp(2rem,4.2vw,3.4rem);max-width:16.5em;text-wrap:balance;font-weight:600;margin-bottom:.4em}
.hero-lead{max-width:36em;font-size:1.08rem;font-weight:300;color:#ece6dd}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin:28px 0 36px}
.hero-caption{font-size:.78rem;color:#cfc6b9;margin:0}
.eyebrow{font-size:.78rem;font-weight:500;letter-spacing:.24em;text-transform:uppercase;color:var(--taupe);margin-bottom:14px}
.eyebrow-dark{color:var(--taupe-dd)}

/* Stats */
.stats{background:var(--taupe);color:var(--ink)}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.stat{padding:30px 20px;border-left:1px solid rgba(27,27,27,.18);display:flex;flex-direction:column;gap:4px}
.stat:first-child{border-left:0}
.stat-num{font-family:var(--serif);font-size:2.1rem;font-weight:600;line-height:1}
.stat-label{font-size:.88rem;color:#2f2a25}

/* Sections */
.section{padding:104px 0}
.section-head{max-width:720px;margin-bottom:48px}
.section-head-row{max-width:none;display:flex;justify-content:space-between;align-items:flex-end;gap:24px;flex-wrap:wrap}
.section-sub{color:var(--muted)}

.intro-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:72px;align-items:center}
.intro-text p{color:var(--muted)}
.intro-text strong{color:var(--text);font-weight:600}
.values{list-style:none;padding:0;margin:28px 0 0;display:grid;grid-template-columns:1fr 1fr;gap:12px 24px}
.values li{padding-left:22px;position:relative;font-weight:500;font-size:.95rem}
.values li::before{content:"";position:absolute;left:0;top:.6em;width:12px;height:1px;background:var(--taupe-d)}
.intro-figure{margin:0;position:relative}
.intro-figure img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--radius)}
.intro-figure::before{content:"";position:absolute;inset:-18px 18px 18px -18px;border:1px solid var(--taupe);z-index:-1;border-radius:var(--radius)}
.intro-figure figcaption{font-size:.8rem;color:var(--muted);margin-top:10px}

.services{background:var(--white)}
.cards-3{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.service-card{border:1px solid var(--paper-2);border-top:3px solid var(--taupe);padding:36px 30px;background:var(--paper);border-radius:var(--radius);display:flex;flex-direction:column}
.service-no{font-family:var(--serif);font-size:1.1rem;color:var(--taupe-dd);letter-spacing:.1em;margin-bottom:18px}
.service-card p{color:var(--muted);font-size:.95rem}
.service-ref{margin-top:auto;margin-bottom:0;padding-top:14px;border-top:1px solid var(--paper-2);font-size:.85rem!important;color:var(--taupe-dd)!important}

.projects{background:var(--paper)}
.link-arrow{font-size:.9rem;color:var(--taupe-dd);text-decoration:none}
.project-grid{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.project-card{background:var(--white);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;box-shadow:0 1px 2px rgba(0,0,0,.04)}
.project-card img{width:100%;aspect-ratio:3/2;object-fit:cover;transition:transform .5s}
.project-card:hover img{transform:scale(1.03)}
.project-info{padding:22px 24px 26px;position:relative;background:var(--white)}
.tag{display:inline-block;font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--taupe-dd);margin-bottom:8px}
.project-info h3{font-size:1.4rem;margin-bottom:4px}
.project-loc{font-size:.85rem;color:var(--muted);margin-bottom:10px}
.project-role{font-size:.9rem;margin:0;color:var(--text)}
.more-projects{margin-top:48px;padding:28px 32px;border:1px solid var(--paper-2);background:var(--white);border-radius:var(--radius)}
.more-projects h3{font-size:1.25rem}
.more-projects p{color:var(--muted);font-size:.95rem}
.more-projects .note{margin:0;font-size:.85rem}
.clients{margin-top:48px;text-align:center}
.clients-title{font-size:.78rem;letter-spacing:.2em;text-transform:uppercase;color:var(--taupe-dd)}
.clients ul{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;justify-content:center;gap:10px 40px}
.clients li{font-family:var(--serif);font-size:1.2rem;font-weight:600;color:#4a433c}

.process{background:var(--paper-2)}
.steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(5,1fr);gap:20px;counter-reset:s}
.steps li{position:relative;padding:28px 22px 24px;background:var(--paper);border-radius:var(--radius)}
.step-no{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:50%;border:1px solid var(--taupe-d);font-family:var(--serif);font-size:1.2rem;font-weight:600;margin-bottom:16px;color:var(--taupe-dd)}
.steps h3{font-size:1.2rem}
.steps p{font-size:.88rem;color:var(--muted);margin:0}

.workshop{background:var(--ink);color:#e7e1d8}
.workshop h2{color:var(--white)}
.workshop-grid{display:grid;grid-template-columns:1fr 1.15fr;gap:64px;align-items:center}
.workshop-text p{color:#cfc7bb}
.check-list{list-style:none;padding:0;margin:24px 0}
.check-list li{position:relative;padding:10px 0 10px 30px;border-bottom:1px solid rgba(186,166,141,.2)}
.check-list li::before{content:"";position:absolute;left:2px;top:17px;width:12px;height:7px;border-left:2px solid var(--taupe);border-bottom:2px solid var(--taupe);transform:rotate(-45deg)}
.workshop-addr{font-size:.9rem}
.workshop-gallery{display:grid;grid-template-columns:1.3fr 1fr;grid-template-rows:1fr 1fr;gap:14px;height:520px}
.workshop-gallery img{width:100%;height:100%;object-fit:cover;border-radius:var(--radius)}
.workshop-gallery .g1{grid-row:1/3}

.contact{background:var(--white)}
.contact-grid{display:grid;grid-template-columns:1fr 1.05fr;gap:64px;align-items:start}
.contact-info>p{color:var(--muted)}
.contact-list{margin:28px 0;display:grid;gap:16px}
.contact-list div{display:grid;grid-template-columns:140px 1fr;gap:12px;padding-bottom:16px;border-bottom:1px solid var(--paper-2)}
.contact-list dt{font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;color:var(--taupe-dd);padding-top:3px}
.contact-list dd{margin:0}
.contact-list a{font-weight:500;text-decoration-color:var(--taupe)}
.contact-actions{display:flex;flex-wrap:wrap;gap:12px}

.quote-form{background:var(--paper);padding:36px;border-radius:var(--radius);border:1px solid var(--paper-2)}
.demo-note{background:#fde9cf;border:1px dashed #b5541c;color:#4a2a12;font-size:.88rem;padding:10px 14px;border-radius:var(--radius);margin-bottom:24px}
.field{margin-bottom:18px}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field label{display:block;font-size:.88rem;font-weight:500;margin-bottom:6px}
.req{color:#a3381a}
.field input[type=text],.field input[type=tel],.field input[type=email],.field select,.field textarea{width:100%;font:inherit;font-size:1rem;color:var(--text);background:var(--white);border:1px solid #c9bdac;border-radius:var(--radius);padding:12px 14px;min-height:48px}
.field textarea{resize:vertical;min-height:110px}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--taupe-dd);outline:3px solid rgba(186,166,141,.55);outline-offset:0}
.field input[aria-invalid="true"],.field select[aria-invalid="true"],.field textarea[aria-invalid="true"]{border-color:#a3381a;background:#fff7f4}
.error{color:#a3381a;font-size:.82rem;margin:6px 0 0;min-height:0}
.error:empty{display:none}
.field-check{display:grid;grid-template-columns:auto 1fr;gap:4px 10px;align-items:start}
.field-check input{width:20px;height:20px;margin:3px 0 0;accent-color:var(--taupe-dd)}
.field-check label{font-weight:400;margin:0}
.field-check .error{grid-column:2}
.demo-only label{color:#7a4a22;font-size:.82rem}
.form-status{margin-top:16px;font-size:.95rem}
.form-status:empty{display:none}
.form-status.is-success{background:#e6f1e4;color:#1f4d1c;border:1px solid #9cc495;padding:12px 14px;border-radius:var(--radius)}
.form-status.is-error{background:#fbe7e2;color:#7a1f12;border:1px solid #d99a8a;padding:12px 14px;border-radius:var(--radius)}
.spinner{width:16px;height:16px;border:2px solid rgba(27,27,27,.3);border-top-color:var(--ink);border-radius:50%;animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

.site-footer{background:#141312;color:#bfb6aa;padding:64px 0 24px;font-size:.9rem}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:40px}
.brand-footer{margin-bottom:18px}
.footer-h{color:var(--taupe);letter-spacing:.16em;text-transform:uppercase;font-size:.75rem}
.footer-legal{color:#e7e1d8;font-weight:500}
.site-footer a{color:#e7e1d8}
.footer-bottom{margin-top:40px;padding-top:20px;border-top:1px solid rgba(186,166,141,.2);font-size:.8rem;color:#8f877c}
.mobile-cta{display:none}

/* Tablet */
@media (max-width:1024px){
  .main-nav{gap:20px}.main-nav ul{gap:18px}
  .cards-3{grid-template-columns:1fr 1fr}
  .cards-3 .service-card:last-child{grid-column:1/-1}
  .project-grid{grid-template-columns:1fr 1fr}
  .steps{grid-template-columns:repeat(3,1fr)}
  .intro-grid,.workshop-grid,.contact-grid{gap:44px}
  .stats-grid{grid-template-columns:1fr 1fr}
  .stat:nth-child(3){border-left:0}
  .stat:nth-child(n+3){border-top:1px solid rgba(27,27,27,.18)}
}
@media (max-width:900px){
  .nav-toggle{display:block}
  .main-nav{position:absolute;left:0;right:0;top:100%;background:var(--ink);flex-direction:column;align-items:stretch;gap:0;padding:8px 24px 24px;border-bottom:1px solid rgba(186,166,141,.25);display:none}
  .main-nav.is-open{display:flex}
  .main-nav ul{flex-direction:column;gap:0}
  .main-nav ul a{display:block;padding:14px 0;border-bottom:1px solid rgba(255,255,255,.08)}
  .main-nav .btn{margin-top:16px}
  .intro-grid,.workshop-grid,.contact-grid{grid-template-columns:1fr}
  .intro-figure{order:-1;margin:12px 0 0 12px}
  .intro-figure::before{inset:-12px 12px 12px -12px}
  .workshop-gallery{height:420px}
}
/* Mobile */
@media (max-width:600px){
  body{font-size:15.5px}
  .site-footer{padding-bottom:88px}
  .container{padding:0 20px}
  .section{padding:72px 0}
  .section-head{margin-bottom:32px}
  .hero{min-height:600px}
  .hero-content{padding-bottom:48px}
  .hero-overlay{background:linear-gradient(0deg,rgba(20,18,16,.92) 0%,rgba(20,18,16,.65) 55%,rgba(20,18,16,.35) 100%)}
  .hero-actions .btn{flex:1 1 auto}
  .stat{padding:22px 14px}
  .stat-num{font-size:1.9rem}
  .stat-label{font-size:.8rem}
  .cards-3,.project-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .steps li{display:grid;grid-template-columns:40px 1fr;column-gap:16px;padding:20px}
  .steps .step-no{grid-row:1/3;margin:0}
  .steps h3{margin-bottom:4px}
  .values{grid-template-columns:1fr}
  .workshop-gallery{height:auto;grid-template-columns:1fr 1fr;grid-template-rows:auto}
  .workshop-gallery .g1{grid-row:auto;grid-column:1/-1;aspect-ratio:4/3}
  .workshop-gallery .g2,.workshop-gallery .g3{aspect-ratio:1}
  .contact-list div{grid-template-columns:1fr;gap:2px}
  .contact-actions .btn{flex:1 1 calc(50% - 6px)}
  .contact-actions .btn:first-child{flex-basis:100%}
  .quote-form{padding:24px 18px}
  .field-row{grid-template-columns:1fr;gap:0}
  .footer-grid{grid-template-columns:1fr;gap:24px}
  .mobile-cta{display:grid;grid-template-columns:1fr 1fr 1.6fr;position:fixed;left:0;right:0;bottom:0;z-index:90;background:var(--ink);border-top:1px solid rgba(186,166,141,.35)}
  .mobile-cta a{display:flex;align-items:center;justify-content:center;min-height:56px;color:#fff;text-decoration:none;font-weight:500}
  .mobile-cta a+a:not(.is-primary){border-left:1px solid rgba(255,255,255,.15)}
  .mobile-cta a.is-primary{background:var(--taupe);color:var(--ink)}
  .more-projects{padding:22px 20px}
}

/* ===== v3: trang con ===== */
.main-nav ul a[aria-current="page"]{color:var(--taupe);border-color:var(--taupe)}
.footer-grid{grid-template-columns:2fr 1fr 1.2fr}
.footer-links{list-style:none;margin:0;padding:0;display:grid;gap:6px}
.footer-links a{text-decoration:none}.footer-links a:hover{text-decoration:underline}
.note{font-size:.88rem;color:var(--muted)}

/* Page hero */
.page-hero{position:relative;background:var(--ink);color:var(--white);overflow:hidden}
.page-hero-plain{padding:56px 0 64px;background:linear-gradient(180deg,#1b1b1b,#26231f)}
.page-hero-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.project-hero,.about-hero{min-height:min(70vh,600px);display:flex;align-items:flex-end}
.page-hero-content{position:relative;padding-top:96px;padding-bottom:56px}
.page-hero h1{font-size:clamp(1.9rem,3.9vw,3.1rem);max-width:18em;text-wrap:balance;margin-bottom:.35em}
.page-lead{max-width:44em;font-size:1.05rem;font-weight:300;color:#ece6dd;margin-bottom:12px}
.page-hero .hero-caption{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.breadcrumb ol{list-style:none;margin:0 0 22px;padding:0;display:flex;flex-wrap:wrap;gap:6px;font-size:.84rem;color:#cfc6b9}
.breadcrumb li+li::before{content:"/";margin-right:6px;color:var(--taupe-d)}
.breadcrumb a{color:#e7e1d8;text-decoration:none;border-bottom:1px solid rgba(186,166,141,.5)}
.breadcrumb a:hover{color:var(--taupe)}

/* Filter */
.filter-wrap{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;margin-bottom:36px}
.filter-bar{display:flex;flex-wrap:wrap;gap:10px}
.filter-bar[hidden]{display:none}
.filter-btn{font:inherit;font-size:.9rem;min-height:44px;padding:8px 18px;border-radius:999px;border:1px solid #c9bdac;background:var(--white);color:var(--text);cursor:pointer;transition:background .2s,border-color .2s}
.filter-btn:hover{border-color:var(--taupe-dd)}
.filter-btn[aria-pressed="true"]{background:var(--ink);border-color:var(--ink);color:var(--white)}
.filter-n{opacity:.7;font-size:.85em}
.filter-count{margin:0;font-size:.88rem;color:var(--muted)}
.project-card[hidden]{display:none}
.list-note{margin-top:36px}

/* Whole-card link */
.card-link{display:flex;flex-direction:column;height:100%;text-decoration:none;color:inherit}
.card-link:hover .card-title{color:var(--taupe-dd)}
.card-link:focus-visible{outline-offset:-3px}
.card-media{position:relative;display:block;overflow:hidden}
.card-media .img-badge{position:absolute;left:12px;bottom:12px}
.project-info{display:flex;flex-direction:column;flex:1}
.card-title{font-family:var(--serif);font-size:1.15rem;font-weight:600;line-height:1.15;margin:0 0 4px;transition:color .2s}
.project-meta{font-size:.82rem;color:var(--muted);margin-top:8px;display:block}
.card-more{margin-top:auto;padding-top:14px;font-size:.88rem;color:var(--taupe-dd);font-weight:500}
.project-loc,.project-role{display:block}

/* Badges */
.img-badge{display:inline-flex;align-items:center;gap:6px;font-size:.74rem;font-weight:600;letter-spacing:.04em;background:rgba(27,27,27,.82);color:#f3ece2;padding:4px 10px;border-radius:3px;border:1px solid rgba(186,166,141,.6)}
.img-badge-q{background:rgba(27,27,27,.86)}
.img-badge .rights{font-size:.88rem;margin:0}
.rights-ok{color:#2f5a2b}

/* Project body */
.project-body{background:var(--white)}
.project-grid-2{display:grid;grid-template-columns:1.5fr 1fr;gap:64px;align-items:start}
.project-desc>p{color:var(--muted)}
.project-desc h3{margin-top:32px}
.scope-list{padding-left:0;list-style:none;margin:0}
.scope-list li{position:relative;padding:9px 0 9px 24px;border-bottom:1px solid var(--paper-2)}
.scope-list li::before{content:"";position:absolute;left:0;top:1.15em;width:12px;height:1px;background:var(--taupe-d)}
.facts{background:var(--paper);border:1px solid var(--paper-2);border-top:3px solid var(--taupe);border-radius:var(--radius);padding:28px;position:sticky;top:96px}
.facts-title{font-size:1.5rem}
.facts-table{width:100%;border-collapse:collapse;font-size:.92rem}
.facts-table th,.facts-table td{text-align:left;vertical-align:top;padding:10px 0;border-bottom:1px solid var(--paper-2)}
.facts-table th{width:38%;font-weight:500;font-size:.76rem;letter-spacing:.12em;text-transform:uppercase;color:var(--taupe-dd);padding-right:14px;padding-top:12px}
.facts-src{font-size:.8rem;color:var(--muted);margin:14px 0 0}

/* Gallery */
.gallery-sec{background:var(--paper)}
.gallery{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.g-item{position:relative;margin:0}
.g-link{display:block;border-radius:var(--radius);overflow:hidden;background:var(--paper-2)}
.g-link img{width:100%;aspect-ratio:3/2;object-fit:cover;transition:transform .4s}
.g-link:hover img{transform:scale(1.03)}
.g-item .img-badge{position:absolute;left:10px;top:10px;pointer-events:none}
.g-cap{font-size:.84rem;color:var(--muted);margin:8px 0 0}

/* Lightbox */
.lightbox{border:0;padding:0;margin:auto;width:100vw;height:100vh;max-width:100vw;max-height:100vh;background:rgba(15,14,13,.95);color:#f3ece2}
.lightbox::backdrop{background:rgba(15,14,13,.9)}
.lb-fig{margin:0;height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:56px 72px 64px}
.lb-img{max-width:100%;max-height:calc(100vh - 150px);object-fit:contain}
.lb-cap{margin-top:14px;font-size:.92rem;text-align:center}
.lb-count{position:absolute;left:20px;top:14px;margin:0;font-size:.85rem;color:#cfc6b9}
.lb-btn{position:absolute;background:rgba(27,27,27,.7);color:#fff;border:1px solid rgba(186,166,141,.6);width:48px;height:48px;border-radius:50%;font-size:1.8rem;line-height:1;cursor:pointer}
.lb-btn:hover{background:var(--taupe);color:var(--ink)}
.lb-close{right:16px;top:10px}
.lb-prev{left:14px;top:50%;transform:translateY(-50%)}
.lb-next{right:14px;top:50%;transform:translateY(-50%)}

/* Prev / next */
.prev-next{background:var(--white);border-top:1px solid var(--paper-2)}
.prev-next-inner{display:grid;grid-template-columns:1fr auto 1fr;gap:20px;align-items:center;padding-top:28px;padding-bottom:28px}
.pn{text-decoration:none;display:flex;flex-direction:column;gap:2px}
.pn-label{font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;color:var(--taupe-dd)}
.pn-name{font-family:var(--serif);font-size:1.1rem;font-weight:600}
.pn:hover .pn-name{color:var(--taupe-dd)}
.pn-next{text-align:right;align-items:flex-end}
.pn-all{font-size:.9rem;border:1px solid var(--taupe-dd);padding:10px 18px;border-radius:var(--radius);min-height:44px;justify-content:center}

/* CTA band */
.cta-band{background:var(--taupe);color:var(--ink);padding:56px 0}
.cta-inner{display:flex;justify-content:space-between;align-items:center;gap:32px;flex-wrap:wrap}
.cta-band h2{font-size:clamp(1.5rem,2.4vw,2rem);margin-bottom:.25em}
.cta-band p{margin:0;color:#2f2a25}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
.cta-band .btn-gold{background:var(--ink);color:var(--white)}
.cta-band .btn-gold:hover{background:#3a3631}
.cta-band .btn-ghost{border-color:var(--ink);color:var(--ink)}
.cta-band .btn-ghost:hover{background:rgba(27,27,27,.08)}

/* About */
.biz-box{background:var(--white);border:1px solid var(--paper-2);border-top:3px solid var(--taupe);padding:32px;border-radius:var(--radius)}
.check-list-light li{border-bottom-color:var(--paper-2)}
.check-list-light li::before{border-color:var(--taupe-dd)}
.vmv{background:var(--white)}
.core-values{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:8px}
.core-values li{border:1px solid var(--taupe);padding:4px 12px;border-radius:999px;font-size:.88rem}
.traits{background:var(--paper-2)}
.trait-grid{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.trait-grid li{background:var(--paper);padding:28px 24px;border-radius:var(--radius)}
.trait-grid h3{font-size:1.25rem}
.trait-grid p{font-size:.9rem;color:var(--muted);margin:0}
.team{background:var(--white)}
.team-stats{display:grid;grid-template-columns:repeat(3,1fr);background:var(--taupe);border-radius:var(--radius);margin-bottom:40px}
.org-top{display:flex;justify-content:center;gap:16px;flex-wrap:wrap;margin-bottom:18px}
.org-node{padding:12px 22px;border-radius:var(--radius);font-weight:500}
.org-lead{background:var(--ink);color:#f3ece2}
.org-blocks{list-style:none;margin:0 0 20px;padding:0;display:grid;grid-template-columns:repeat(5,1fr);gap:14px;position:relative}
.org-blocks li{background:var(--paper);border-top:3px solid var(--taupe);padding:18px 16px;border-radius:var(--radius)}
.org-blocks h3{font-size:1.1rem;margin-bottom:6px}
.org-blocks p{font-size:.84rem;color:var(--muted);margin:0}

/* 404 */
.nf{background:var(--paper);padding:96px 0 120px}
.nf-inner{text-align:center;max-width:680px}
.nf-code{font-family:var(--serif);font-size:6rem;line-height:1;color:var(--taupe);margin:0}
.nf h1{font-size:clamp(2rem,4vw,3rem)}
.nf-actions{justify-content:center}

@media (max-width:1024px){
  .gallery{grid-template-columns:1fr 1fr}
  .trait-grid{grid-template-columns:1fr 1fr}
  .org-blocks{grid-template-columns:repeat(3,1fr)}
  .project-grid-2{gap:40px}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:900px){
  .project-grid-2{grid-template-columns:1fr}
  .facts{position:static}
}
@media (max-width:600px){
  .page-hero-plain{padding:40px 0 44px}
  .project-hero,.about-hero{min-height:520px}
  .page-hero-content{padding-top:72px;padding-bottom:40px}
  .gallery{grid-template-columns:1fr}
  .trait-grid,.org-blocks{grid-template-columns:1fr}
  .team-stats{grid-template-columns:1fr}
  .team-stats .stat{border-left:0;border-top:1px solid rgba(27,27,27,.18)}
  .team-stats .stat:first-child{border-top:0}
  .filter-bar{gap:8px}
  .filter-btn{padding:8px 14px;font-size:.86rem}
  .prev-next-inner{grid-template-columns:1fr 1fr}
  .pn-all{grid-column:1/-1;grid-row:2;text-align:center;align-items:center}
  .pn-name{font-size:1.1rem}
  .cta-actions .btn{flex:1 1 100%}
  .lb-fig{padding:56px 8px 80px}
  .lb-prev,.lb-next{top:auto;bottom:14px;transform:none}
  .lb-prev{left:calc(50% - 60px)}.lb-next{right:calc(50% - 60px)}
  .facts{padding:22px 18px}
  .footer-grid{grid-template-columns:1fr}
}

/* v3: logo gốc đen trắng: bản đen (#1b1b1b) trên header nền sáng; logo trắng trên nền tối (footer) */
.site-header{background:rgba(255,255,255,.97);color:var(--ink);border-bottom:1px solid var(--paper-2);box-shadow:0 1px 0 rgba(0,0,0,.02)}
.brand-logo{display:block;height:42px;width:auto}
.brand-footer .brand-logo{height:48px}
.main-nav ul a{color:var(--ink)}
.main-nav ul a:hover,.main-nav ul a[aria-current="page"]{color:var(--taupe-dd);border-color:var(--taupe-d)}
.nav-toggle{border-color:#c9bdac}
.nav-toggle-bar,.nav-toggle-bar::before,.nav-toggle-bar::after{background:var(--ink)}
@media (max-width:900px){
  .main-nav{background:var(--white);border-bottom:1px solid var(--paper-2);box-shadow:0 12px 24px rgba(0,0,0,.08)}
  .main-nav ul a{border-bottom-color:var(--paper-2)}
}
@media (max-width:600px){.brand-logo{height:36px}}
.contact-grid--solo{grid-template-columns:1fr;max-width:760px}
[hidden]{display:none!important}