/* ============================================================
   KỶ NGUYÊN MỚI GROUP — Shared site stylesheet
   ============================================================ */
:root{
  --cream:#FAF6EF; --sand:#F1E8D8; --sand-2:#EAdFCB;
  --bronze:#A87E4F; --bronze-d:#7C5A32; --gold:#C9A15E;
  --espresso:#2C2621; --ink:#3A322B; --muted:#8B7D6C;
  --line:rgba(120,90,52,.18); --line-2:rgba(120,90,52,.30);
  --shadow:0 18px 50px rgba(70,50,25,.10);
  --radius:16px;
  --serif:'Playfair Display',Georgia,serif;
  --sans:'Inter',-apple-system,BlinkMacSystemFont,sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--sans);background:var(--cream);color:var(--ink);line-height:1.65;font-weight:400;-webkit-font-smoothing:antialiased;overflow-x:hidden}
h1,h2,h3,h4{font-family:var(--serif);color:var(--espresso);line-height:1.15;font-weight:700}
a{color:inherit;text-decoration:none}
img{max-width:100%}
.wrap{max-width:1180px;margin:0 auto;padding:0 24px}

/* ── LANGUAGE TOGGLE ─────────────────────────────────── */
html:not(.en) [data-l="en"]{display:none}
html.en [data-l="vi"]{display:none}

/* ── NAV ─────────────────────────────────────────────── */
#siteNav{position:fixed;top:0;left:0;right:0;z-index:100;height:70px;
  background:rgba(250,246,239,.88);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);display:flex;align-items:center}
#siteNav .wrap{display:flex;align-items:center;justify-content:space-between;width:100%}
.brand{display:flex;align-items:center;gap:12px}
.brand-mark{width:44px;height:44px;flex-shrink:0;object-fit:contain}
.brand-text b{font-family:var(--serif);font-weight:700;font-size:15px;color:var(--espresso);display:block;line-height:1.15;letter-spacing:.2px}
.brand-text span{font-size:10px;color:var(--muted);letter-spacing:1.5px;text-transform:uppercase}
.nav-links{display:flex;align-items:center;gap:26px;list-style:none}
.nav-links a{font-size:13.5px;font-weight:500;color:var(--ink);transition:color .2s}
.nav-links a:hover,.nav-links a.active{color:var(--bronze)}
.nav-right{display:flex;align-items:center;gap:14px}
.lang-btn{display:flex;align-items:center;gap:4px;font-size:12px;font-weight:600;
  border:1px solid var(--line-2);border-radius:30px;padding:6px 12px;background:none;cursor:pointer;color:var(--ink)}
.lang-btn .on{color:var(--bronze)}
.lang-btn .off{color:var(--muted)}
.nav-cta{background:var(--espresso);color:var(--cream)!important;padding:9px 18px;border-radius:30px;font-size:13px;font-weight:600;transition:background .2s;white-space:nowrap}
.nav-cta:hover{background:var(--bronze-d)}
.nav-toggle{display:none;background:none;border:none;font-size:24px;cursor:pointer;color:var(--espresso)}

/* ── BREADCRUMB ──────────────────────────────────────── */
.crumb-bar{padding:118px 0 0}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:7px;font-size:12.5px;color:var(--muted)}
.crumb a{color:var(--bronze-d);font-weight:600}
.crumb a:hover{color:var(--bronze)}
.crumb .sep{color:var(--line-2)}
.crumb .current{color:var(--muted)}

/* ── PAGE HERO (sub-pages) ───────────────────────────── */
.page-hero{padding:26px 0 56px;position:relative}
.page-hero .eyebrow{margin-bottom:20px}
.page-hero h1{font-size:clamp(1.9rem,4.2vw,3.1rem);margin-bottom:18px;letter-spacing:-.4px;max-width:820px}
.page-hero h1 em{font-style:italic;color:var(--bronze)}
.page-hero p.lead{font-size:1.08rem;color:var(--ink);max-width:720px}
.page-hero.center{text-align:center}
.page-hero.center h1,.page-hero.center p.lead{margin-left:auto;margin-right:auto}

/* ── HOME HERO ───────────────────────────────────────── */
.hero{position:relative;padding:150px 0 100px;overflow:hidden;
  background:linear-gradient(180deg,#FBF8F2 0%,#F3EAD9 100%)}
.hero-svg{position:absolute;inset:0;z-index:0;opacity:.5;pointer-events:none}
.hero .wrap{position:relative;z-index:1;max-width:900px;text-align:center}
.eyebrow{display:inline-flex;align-items:center;gap:9px;font-size:12px;font-weight:600;
  letter-spacing:2px;text-transform:uppercase;color:var(--bronze-d);
  border:1px solid var(--line-2);border-radius:30px;padding:7px 18px;margin-bottom:26px;background:rgba(255,255,255,.5)}
.eyebrow::before{content:'';width:6px;height:6px;border-radius:50%;background:var(--gold)}
.hero h1{font-size:clamp(2.3rem,5.2vw,4rem);font-weight:800;margin-bottom:24px;letter-spacing:-.5px}
.hero h1 em{font-style:italic;color:var(--bronze)}
.hero p.lead{font-size:1.12rem;color:var(--ink);max-width:680px;margin:0 auto 38px}
.hero-btns{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 30px;border-radius:40px;font-size:14px;font-weight:600;cursor:pointer;transition:transform .2s,box-shadow .2s;border:none}
.btn-primary{background:linear-gradient(135deg,var(--bronze),var(--bronze-d));color:var(--cream)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 10px 28px rgba(124,90,50,.35)}
.btn-outline{background:transparent;border:1px solid var(--line-2);color:var(--espresso)}
.btn-outline:hover{border-color:var(--bronze);color:var(--bronze)}
.btn-sm{padding:10px 20px;font-size:13px}
.hero-stats{display:flex;gap:48px;justify-content:center;flex-wrap:wrap;margin-top:64px;padding-top:40px;border-top:1px solid var(--line)}
.hero-stat b{font-family:var(--serif);font-size:2rem;font-weight:700;color:var(--bronze-d);display:block}
.hero-stat span{font-size:12.5px;color:var(--muted);letter-spacing:.5px}

/* ── SECTIONS ────────────────────────────────────────── */
section.svc{padding:88px 0;position:relative}
section.svc.tight{padding:56px 0}
section.svc:nth-of-type(even){background:var(--sand)}
section.svc.alt{background:var(--sand)}
.sec-head{max-width:760px;margin-bottom:48px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.sec-num{font-family:var(--serif);font-size:13px;font-weight:700;letter-spacing:3px;color:var(--bronze);text-transform:uppercase}
.sec-head h2{font-size:clamp(1.9rem,3.6vw,2.7rem);margin:12px 0 16px}
.sec-head p{font-size:1.05rem;color:var(--ink)}
.eyebrow-sm{display:inline-block;font-size:11px;font-weight:700;letter-spacing:2px;text-transform:uppercase;color:var(--bronze);margin-bottom:20px}

/* grids & cards */
.grid{display:grid;gap:22px}
.grid>*{min-width:0}
.g3{grid-template-columns:repeat(3,1fr)}
.g2{grid-template-columns:repeat(2,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.card{background:var(--cream);border:1px solid var(--line);border-radius:var(--radius);padding:26px;transition:transform .25s,box-shadow .25s,border-color .25s}
section.svc:nth-of-type(even) .card,section.svc.alt .card{background:#FBF7F0}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--line-2)}
.card .ic{width:48px;height:48px;border-radius:12px;background:linear-gradient(135deg,var(--sand),var(--sand-2));
  display:flex;align-items:center;justify-content:center;margin-bottom:16px;color:var(--bronze-d)}
.card .ic svg{width:24px;height:24px;stroke:var(--bronze-d);fill:none;stroke-width:1.6}
.card .ic.photo{width:100%;height:120px;border-radius:14px;overflow:hidden;position:relative}
.card .ic.photo img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.card h4{font-size:1.15rem;margin-bottom:8px;overflow-wrap:anywhere}
.card h3{font-size:1.3rem;margin-bottom:10px}
.card p{font-size:14px;color:var(--muted);line-height:1.7}
.card .tag{display:inline-block;font-size:11px;font-weight:600;color:var(--bronze-d);background:rgba(168,126,79,.1);border-radius:20px;padding:3px 11px;margin-bottom:12px;letter-spacing:.5px}

/* article link card (hub pages) */
.art-card{display:flex;flex-direction:column;height:100%}
.art-card .more{margin-top:auto;padding-top:14px;font-size:12.5px;font-weight:700;color:var(--bronze-d);display:inline-flex;align-items:center;gap:6px}
.art-card:hover .more{color:var(--bronze)}

/* ecosystem card bullet list */
.eco-list{list-style:none;margin:2px 0 4px}
.eco-list li{font-size:12.5px;color:var(--muted);line-height:1.5;padding:4px 0 4px 15px;position:relative}
.eco-list li::before{content:'–';position:absolute;left:0;color:var(--bronze-d);font-weight:700}

/* feature split */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;margin-top:20px}
.split.rev .split-media{order:2}
.split-media{border-radius:20px;min-height:320px;position:relative;overflow:hidden;
  background:linear-gradient(135deg,var(--espresso),#4a3d30);display:flex;align-items:center;justify-content:center}
.split-media.warm{background:linear-gradient(135deg,var(--bronze),var(--bronze-d))}
.split-media .glyph{font-size:78px;opacity:.9}
.split-media svg{position:absolute;inset:0;width:100%;height:100%;opacity:.16}
.split-media.photo{background:var(--espresso)}
.split-media.photo img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.split-media.photo::after{content:'';position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(26,20,15,0) 45%,rgba(26,20,15,.72) 100%)}
.split-media.photo .glyph{position:absolute;left:20px;bottom:16px;z-index:1;font-size:34px;
  width:56px;height:56px;border-radius:50%;background:var(--bronze);display:flex;align-items:center;justify-content:center;opacity:1;
  box-shadow:0 6px 18px rgba(0,0,0,.35)}
.split h3{font-size:1.7rem;margin-bottom:14px}
.split p{color:var(--ink);margin-bottom:14px;font-size:1rem}
.list{list-style:none;margin-top:14px}
.list li{position:relative;padding-left:28px;margin-bottom:12px;font-size:14.5px;color:var(--ink)}
.list li::before{content:'';position:absolute;left:0;top:8px;width:16px;height:16px;border-radius:50%;
  background:var(--sand-2);border:1px solid var(--bronze)}
.list li::after{content:'';position:absolute;left:5px;top:12px;width:6px;height:6px;border-radius:50%;background:var(--bronze-d)}

/* compare (tokenization vs equitization) */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin-top:20px}
.compare .col{border-radius:var(--radius);padding:28px;border:1px solid var(--line)}
.compare .col.a{background:linear-gradient(160deg,#FBF7F0,var(--sand))}
.compare .col.b{background:linear-gradient(160deg,#F5EEE1,var(--sand-2))}
.compare h4{font-size:1.2rem;margin-bottom:16px;padding-bottom:12px;border-bottom:1px solid var(--line)}
.compare ul{list-style:none}
.compare li{font-size:14px;color:var(--ink);padding:7px 0 7px 22px;position:relative}
.compare li::before{content:'▸';position:absolute;left:0;color:var(--bronze)}

/* ── ARTICLE PROSE (detail pages) ────────────────────── */
.prose{max-width:760px}
.prose h2{font-size:1.55rem;margin:40px 0 14px}
.prose h2:first-child{margin-top:0}
.prose h3{font-size:1.2rem;margin:28px 0 10px;color:var(--bronze-d)}
.prose p{font-size:1rem;color:var(--ink);margin-bottom:16px}
.prose ul,.prose ol{margin:0 0 18px 0;padding-left:0;list-style:none}
.prose ul li,.prose ol li{position:relative;padding-left:26px;margin-bottom:10px;font-size:15px;color:var(--ink)}
.prose ul li::before{content:'';position:absolute;left:0;top:8px;width:14px;height:14px;border-radius:50%;background:var(--sand-2);border:1px solid var(--bronze)}
.prose ul li::after{content:'';position:absolute;left:4.5px;top:11.5px;width:5px;height:5px;border-radius:50%;background:var(--bronze-d)}
.prose blockquote{border-left:3px solid var(--bronze);background:var(--sand);border-radius:0 12px 12px 0;padding:20px 26px;margin:26px 0;font-family:var(--serif);font-style:italic;font-size:1.08rem;color:var(--espresso)}
.prose .stat-row{display:flex;gap:36px;flex-wrap:wrap;margin:30px 0;padding:24px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.prose .stat-row div b{font-family:var(--serif);font-size:1.8rem;color:var(--bronze-d);display:block}
.prose .stat-row div span{font-size:12px;color:var(--muted)}

/* related articles */
.related{margin-top:64px;padding-top:44px;border-top:1px solid var(--line)}
.related h4{font-size:1.15rem;margin-bottom:22px}

/* CTA band */
.cta-band{margin-top:64px;padding:40px;border-radius:20px;background:linear-gradient(135deg,var(--espresso),#42352A);color:#F1E8D8;display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.cta-band h4{color:#F6EFE2;font-size:1.3rem;margin-bottom:6px}
.cta-band p{color:#CFC4B4;font-size:14px}

/* NEWS strip */
.news{margin-top:44px;padding-top:36px;border-top:1px dashed var(--line-2)}
.news-head{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:10px;margin-bottom:20px}
.news-head h4{font-size:1.2rem}
.news-badge{display:inline-flex;align-items:center;gap:7px;font-size:11px;font-weight:600;letter-spacing:.5px;
  color:#3f7a4f;background:rgba(70,150,90,.12);border-radius:30px;padding:5px 13px}
.news-badge .dot{width:7px;height:7px;border-radius:50%;background:#4a9d63;box-shadow:0 0 0 0 rgba(74,157,99,.6);animation:pulse 2.2s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(74,157,99,.5)}70%{box-shadow:0 0 0 7px rgba(74,157,99,0)}100%{box-shadow:0 0 0 0 rgba(74,157,99,0)}}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.news-card{background:var(--cream);border:1px solid var(--line);border-radius:14px;padding:20px;transition:border-color .2s,transform .2s}
section.svc:nth-of-type(even) .news-card,section.svc.alt .news-card{background:#FBF7F0}
.news-card:hover{border-color:var(--bronze);transform:translateY(-3px)}
.news-card .cat{font-size:10.5px;font-weight:700;letter-spacing:1px;text-transform:uppercase;color:var(--bronze)}
.news-card h5{font-family:var(--serif);font-size:1.02rem;font-weight:600;color:var(--espresso);margin:8px 0;line-height:1.3}
.news-card time{font-size:11px;color:var(--muted)}
.news-note{font-size:12px;color:var(--muted);margin-top:16px;font-style:italic}

/* OFFICES */
.offices{padding:96px 0;background:var(--espresso);color:#E9E0D2}
.offices h2,.offices h3{color:#F6EFE2}
.offices .sec-num{color:var(--gold)}
.office-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:44px}
.office-card{background:rgba(255,255,255,.04);border:1px solid rgba(201,161,94,.25);border-radius:var(--radius);padding:28px}
.office-card .flag{font-size:30px;margin-bottom:14px}
.office-card h3{font-size:1.25rem;margin-bottom:6px}
.office-card .role{font-size:11px;letter-spacing:1.5px;text-transform:uppercase;color:var(--gold);margin-bottom:16px}
.office-card address{font-style:normal;font-size:14px;color:#CFC4B4;line-height:1.8}
.office-card .contact{margin-top:16px;padding-top:16px;border-top:1px solid rgba(201,161,94,.2);font-size:13.5px;color:#E9E0D2}
.office-card .contact div{margin-bottom:5px}
.office-card .contact b{color:var(--gold);font-weight:600}
.contact-bar{margin-top:44px;text-align:center;padding-top:32px;border-top:1px solid rgba(201,161,94,.2)}
.contact-bar a.email{font-family:var(--serif);font-size:1.5rem;color:#F6EFE2;font-weight:600}
.contact-bar a.email:hover{color:var(--gold)}

/* FOOTER */
footer{background:#231E19;color:#9C8F7E;padding:0;font-size:13px}
footer .f-top{padding:56px 0 36px;display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr 1fr;gap:32px}
footer .f-top b{color:#C9A15E}
footer .f-brand{font-family:var(--serif);color:#F1E8D8;font-size:1.1rem;font-weight:700;margin-bottom:10px}
footer .f-desc{font-size:12.5px;color:#8A7C6A;line-height:1.7;max-width:280px}
footer h6{color:#C9A15E;font-size:11px;letter-spacing:1.5px;text-transform:uppercase;margin-bottom:16px;font-weight:700}
footer ul{list-style:none}
footer ul li{margin-bottom:10px}
footer ul a{color:#B4A692;font-size:13px}
footer ul a:hover{color:#F1E8D8}
footer .f-bottom{border-top:1px solid rgba(201,161,94,.15);padding:22px 0;text-align:center;font-size:12.5px}

/* ── RESPONSIVE ──────────────────────────────────────── */
@media(max-width:1080px){
  .nav-links{display:none;position:fixed;top:70px;left:0;right:0;flex-direction:column;gap:0;
    background:var(--cream);border-bottom:1px solid var(--line);padding:8px 0;max-height:calc(100vh - 70px);overflow-y:auto}
  .nav-links.open{display:flex}
  .nav-links li{width:100%;text-align:center}
  .nav-links a{display:block;padding:14px}
  .nav-toggle{display:block}
}
@media(max-width:900px){
  .g3,.g4,.news-grid,.office-grid{grid-template-columns:1fr 1fr}
  .split,.split.rev .split-media{grid-template-columns:1fr;order:0}
  .split-media{min-height:220px;margin-bottom:8px}
  footer .f-top{grid-template-columns:1fr 1fr;gap:28px}
}
@media(max-width:640px){
  .g3,.g2,.g4,.news-grid,.office-grid,.compare{grid-template-columns:1fr}
  .hero{padding:120px 0 72px}
  .hero-stats{gap:28px}
  .nav-cta{display:none}
  .brand-text{white-space:nowrap}
  .brand-text b{font-size:12px;letter-spacing:0;white-space:nowrap}
  .brand-text span{font-size:8.5px;letter-spacing:.8px}
  section.svc{padding:60px 0}
  .contact-bar a.email{font-size:1.05rem;word-break:break-word}
  .crumb-bar{padding:100px 0 0}
  .cta-band{padding:28px;flex-direction:column;align-items:flex-start;text-align:left}
  footer .f-top{grid-template-columns:1fr;padding:44px 0 28px}
  .prose .stat-row{gap:22px}
}