:root{ --bg:#EEF0FA; --bg-2:#F6F7FC; --ink:#181C3A; --tx:#1A1E3A; --tx-mut:rgba(24,28,58,.60); --tx-faint:rgba(24,28,58,.38);
  --teal:#24DCC7; --teal-d:#0F9E8C; --blue:#137EE8; --purple:#7A4DF0; --red:#FA3163; --orange:#FC8057; --orange-d:#E8623A; --yellow:#F9D533;
  --ri:18px; --maxw:1440px; --e:cubic-bezier(.32,.72,0,1); }
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased}
body{font-family:'Montserrat',system-ui,sans-serif;background:var(--bg);color:var(--tx);font-size:15px;line-height:1.55;overflow-x:hidden;letter-spacing:-.01em}
img{display:block;max-width:100%} a{color:inherit;text-decoration:none}
.wrap{width:100%;max-width:var(--maxw);margin-inline:auto;padding-inline:clamp(20px,4vw,56px)}
body{position:relative}
/* ambient background - đồng bộ các trang khác */
.bg-mesh{ position:fixed; inset:0; z-index:-2; overflow:hidden; pointer-events:none;
  background:
    radial-gradient(60% 50% at 12% 8%,  rgba(36,220,199,.20), transparent 70%),
    radial-gradient(55% 45% at 88% 4%,  rgba(122,77,240,.22), transparent 70%),
    radial-gradient(50% 50% at 78% 60%, rgba(19,126,232,.18), transparent 72%),
    radial-gradient(50% 50% at 18% 78%, rgba(250,49,99,.12),  transparent 72%),
    linear-gradient(180deg,#F2F3FC,#EAECF8); }
.blob{ position:fixed; z-index:-1; border-radius:50%; filter:blur(70px); opacity:.55; pointer-events:none; will-change:transform; }
.b1{ width:46vw; height:46vw; left:8vw; top:4vw; background:radial-gradient(circle,#24DCC7,transparent 65%); opacity:.6; }
.b2{ width:42vw; height:42vw; right:6vw; top:8vw; background:radial-gradient(circle,#7A4DF0,transparent 65%); opacity:.5; }
.b3{ width:40vw; height:40vw; right:20vw; top:120vh; background:radial-gradient(circle,#137EE8,transparent 65%); opacity:.5; }
.b4{ width:36vw; height:36vw; left:16vw; top:210vh; background:radial-gradient(circle,#FA3163,transparent 68%); opacity:.36; }
@media (max-width:760px){ .blob{ filter:blur(48px); } }
/* banner .dhero (đồng bộ các trang khác) */
.dhero{position:relative;height:clamp(420px,60vh,540px);display:flex;align-items:flex-end;overflow:hidden}
.dhero .bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.dhero::after{content:'';position:absolute;inset:0;background:linear-gradient(200deg,rgba(12,14,34,.3) 24%,rgba(12,14,34,.9) 90%)}
.dhero .wrap{position:relative;z-index:2;padding-bottom:clamp(34px,5vh,58px);color:#fff}
.dhero .crumb{font-size:12.5px;color:rgba(255,255,255,.72);font-weight:600;margin-bottom:14px}
.dhero .crumb a:hover{color:#fff}
.dhero .eyebrow{color:rgba(255,255,255,.85)}
.dhero .eyebrow .d{background:var(--teal);box-shadow:0 0 10px rgba(36,220,199,.95)}
.dhero h1.pt{font-size:clamp(30px,3.4vw,50px);font-weight:300;line-height:1.12;letter-spacing:-.025em;margin-top:14px;max-width:880px;color:#fff}
.dhero .lead{color:rgba(255,255,255,.85);max-width:64ch;margin-top:16px;font-weight:500;font-size:16px}
.dhero .hstats{color:#fff}
.dhero .hstats p{color:rgba(255,255,255,.78)}
.eyebrow{display:inline-flex;align-items:center;gap:9px;font-size:11px;font-weight:600;letter-spacing:.22em;text-transform:uppercase;color:var(--tx-mut)}
.eyebrow .d{width:6px;height:6px;border-radius:50%;background:var(--teal);box-shadow:0 0 9px rgba(36,220,199,.95)}
h1.pt,h2.title{font-size:clamp(24px,2.5vw,36px);font-weight:600;line-height:1.12;letter-spacing:-.03em;color:var(--ink)}
.lead{color:var(--tx-mut);font-weight:500;font-size:16px}
.btn{font-family:inherit;cursor:pointer;border:none;font-weight:600;font-size:14px;display:inline-flex;align-items:center;gap:10px;border-radius:999px;transition:transform .4s var(--e),background .3s,box-shadow .3s}
.btn:active{transform:scale(.97)}
.btn .ic{width:28px;height:28px;border-radius:50%;display:grid;place-items:center;flex:none;transition:transform .45s var(--e);font-size:13px}
.btn-primary{background:var(--ink);color:#fff;padding:8px 8px 8px 20px}
.btn-primary .ic{background:rgba(255,255,255,.16);color:#fff}
.btn-primary:hover{box-shadow:0 12px 28px -10px rgba(24,28,58,.5)}
.btn-primary:hover .ic{transform:translate(2px,-1px) scale(1.08)}
.btn-soft{background:rgba(24,28,58,.05);color:var(--ink);padding:8px 8px 8px 20px}
.btn-soft .ic{background:rgba(24,28,58,.08)}
.btn-soft:hover{background:rgba(24,28,58,.09)}
.phero{padding:150px 0 56px;position:relative;overflow:hidden;
  background:radial-gradient(56% 46% at 50% 0%,rgba(122,77,240,.08),transparent 70%),
             radial-gradient(46% 40% at 10% 30%,rgba(36,220,199,.12),transparent 70%),
             radial-gradient(46% 40% at 90% 28%,rgba(19,126,232,.10),transparent 70%),var(--bg)}
.phero .crumb{font-size:12.5px;color:var(--tx-faint);font-weight:600;margin-bottom:16px}
.phero .crumb a:hover{color:var(--ink)}
.phero h1.pt{max-width:860px}
.phero .lead{max-width:64ch;margin-top:16px}
.pad{padding-block:clamp(56px,6vw,96px)}
.rv{opacity:0;transform:translateY(22px);transition:opacity .8s var(--e),transform .8s var(--e)}
.rv.in{opacity:1;transform:none}
/* newsletter + footer */
.nlbar{background:#14172E;border-radius:var(--ri);padding:clamp(28px,4vw,44px);display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap}
.nlbar h3{color:#fff;font-size:clamp(18px,2vw,24px);font-weight:600;letter-spacing:-.02em}
.nlbar form{display:flex;gap:10px;flex:1;max-width:480px;min-width:280px}
.nlbar input{flex:1;font-family:inherit;font-size:14px;padding:13px 18px;border-radius:999px;border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.08);color:#fff;outline:none}
.nlbar input::placeholder{color:rgba(255,255,255,.5)}
.nlbar .btn{background:var(--teal);color:#06251f;padding:12px 22px}
footer{padding-block:56px 30px}
.foot{display:grid;grid-template-columns:1.5fr 1fr 1.1fr 1.1fr 1.3fr;gap:36px;margin-top:48px}
.foot .ab p{font-size:13px;color:var(--tx-mut);line-height:1.65;margin-top:16px}
.foot .ab .logo-img{height:42px}
footer h5{font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--tx-faint);margin-bottom:15px;font-weight:600}
footer ul{list-style:none;display:grid;gap:10px}
footer ul a,footer ul li{font-size:13.5px;color:var(--tx-mut);font-weight:500;transition:color .2s}
footer ul a:hover{color:var(--ink)}
footer ul li b{color:var(--tx-faint);font-weight:600;font-size:11px;display:block;letter-spacing:.08em;text-transform:uppercase;margin-bottom:2px}
.foot-b{display:flex;justify-content:space-between;align-items:center;gap:18px;flex-wrap:wrap;margin-top:48px;font-size:12.5px;color:var(--tx-faint)}
@media(max-width:980px){.foot{grid-template-columns:1fr 1fr}}
@media(max-width:680px){.nav nav{display:none}.foot{grid-template-columns:1fr}}
/* CTA trước footer — đồng bộ style trang chủ */
.g-warm{background:linear-gradient(96deg,var(--teal-d),var(--orange-d));-webkit-background-clip:text;background-clip:text;color:transparent}
.cta-white.pad{padding-block:clamp(40px,4.6vw,64px)}
.cta-white{text-align:center;position:relative;overflow:hidden}
.cta-white h2{font-size:clamp(24px,2.5vw,36px);font-weight:600;letter-spacing:-.04em;line-height:1.12;color:var(--ink);max-width:820px;margin-inline:auto}
.cta-white p{color:var(--tx-mut);max-width:52ch;margin:22px auto 36px;font-size:16px}
.sym{position:absolute;z-index:0;pointer-events:none}
.sym svg{width:100%;height:100%}
@media(max-width:980px){.sym{display:none}}
/* ===== HIỆU ỨNG HERO TRANG CON ===== */
@keyframes heroUp{from{opacity:0;transform:translateY(26px)}to{opacity:1;transform:none}}
@keyframes heroWord{from{transform:translateY(118%)}to{transform:none}}
@keyframes heroBg{from{transform:scale(1.07)}to{transform:none}}
/* title: từng chữ trượt lên từ mask */
h1 .w{display:inline-block;overflow:hidden;vertical-align:bottom;padding:.14em 0 .14em;margin:-.14em 0 -.14em}
h1 .w i{display:inline-block;font-style:normal;transform:translateY(118%);animation:heroWord .85s var(--e) forwards}
/* hero ảnh/video: bg zoom settle + stagger các cụm */
.bhero .bg,.ahero .bg,.dhero .bg{animation:heroBg 2s var(--e) both}
.bhero .crumb,.ahero .crumb,.dhero .crumb{animation:heroUp .7s var(--e) both;animation-delay:.08s}
.bhero .eyebrow,.ahero .eyebrow,.dhero .eyebrow{animation:heroUp .7s var(--e) both;animation-delay:.16s}
.bhero .lead,.ahero .lead,.dhero .lead{animation:heroUp .8s var(--e) both;animation-delay:.62s}
.bhero .acts,.dhero .hstats{animation:heroUp .8s var(--e) both;animation-delay:.78s}
.dhero .wrap>div:last-child{animation:heroUp .8s var(--e) both;animation-delay:.92s}
/* hero text (.phero): stagger fade-up các phần tử */
.phero .wrap>*{animation:heroUp .75s var(--e) both}
.phero .wrap>*:nth-child(1){animation-delay:.06s}
.phero .wrap>*:nth-child(2){animation-delay:.14s}
.phero .wrap>*:nth-child(3){animation-delay:.26s}
.phero .wrap>*:nth-child(4){animation-delay:.4s}
.phero .wrap>*:nth-child(5){animation-delay:.52s}
.phero .wrap>*:nth-child(n+6){animation-delay:.62s}
@media(prefers-reduced-motion:reduce){
 h1 .w i,.bhero .bg,.ahero .bg,.dhero .bg,.bhero .crumb,.ahero .crumb,.dhero .crumb,
 .bhero .eyebrow,.ahero .eyebrow,.dhero .eyebrow,.bhero .lead,.ahero .lead,.dhero .lead,
 .bhero .acts,.dhero .hstats,.dhero .wrap>div:last-child,.phero .wrap>*{animation:none;transform:none;opacity:1}
}

.hstats{display:flex;gap:clamp(28px,4vw,64px);margin-top:30px;flex-wrap:wrap}
.hstats b{display:block;font-size:clamp(26px,3vw,42px);font-weight:700;letter-spacing:-.03em}
.hstats p{margin-top:6px;font-size:13.5px;color:var(--tx-mut)}
.gplist{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.gpcard{border-radius:var(--ri);overflow:hidden;background:#fff;border:1px solid rgba(24,28,58,.06);box-shadow:0 8px 24px -18px rgba(24,28,58,.18);display:flex;flex-direction:column;transition:transform .45s var(--e),box-shadow .4s,background .4s var(--e),border-color .4s var(--e)}
.gpcard:hover{transform:translateY(-5px);box-shadow:0 18px 44px -22px rgba(251,219,69,.55);border-color:rgba(251,219,69,.6);background:linear-gradient(155deg,#FFF6CE 0%,#FBDB45 100%)}
.gpcard .im{aspect-ratio:16/9;overflow:hidden}
.gpcard .im img{width:100%;height:100%;object-fit:cover;transition:transform .7s var(--e)}
.gpcard:hover .im img{transform:scale(1.05)}
.gpcard .gbody{padding:22px 24px 26px;display:flex;flex-direction:column;flex:1}
.gpcard .num{font-size:13px;font-weight:700;color:var(--ac);letter-spacing:.08em}
.gpcard h3{font-size:19px;font-weight:700;color:var(--ink);margin-top:10px;letter-spacing:-.015em}
.gpcard p{font-size:14px;color:var(--tx-mut);margin-top:9px;line-height:1.6;flex:1}
.gpcard .acts{display:flex;gap:8px;margin-top:20px;flex-wrap:wrap}
.gpcard .acts a{font-size:12.5px;font-weight:600;padding:8px 14px;border-radius:999px}
.gpcard .a1{background:var(--ink);color:#fff}
.gpcard .a2{background:rgba(24,28,58,.06);color:var(--ink)}
@media(max-width:980px){.gplist{grid-template-columns:1fr 1fr}}
@media(max-width:680px){.gplist{grid-template-columns:1fr}}

/* ===== SYNCED HEADER/FOOTER (home) ===== */
:root{ --g-bg:rgba(255,255,255,.55); --g-bg-2:rgba(255,255,255,.40); --g-brd:rgba(255,255,255,.65); --g-brd-2:rgba(255,255,255,.45); --g-sh:0 18px 50px -22px rgba(31,38,90,.30); --g-sh-sm:0 10px 30px -16px rgba(31,38,90,.26); --blur:blur(12px) saturate(175%) brightness(1.03); --ri-sm:16px; }
/* ---------- atoms ---------- */
.eyebrow{ display:inline-flex; align-items:center; gap:9px;
  font-size:11px; font-weight:700; letter-spacing:.22em; text-transform:uppercase; color:var(--tx-mut); }
.eyebrow .d{ width:6px; height:6px; border-radius:50%; background:var(--teal); box-shadow:0 0 10px rgba(36,220,199,.95); }
.eyebrow.on-dark{ color:rgba(255,255,255,.66); }

h2.title{ font-size:clamp(26px,3vw,42px); font-weight:300; line-height:1.08; letter-spacing:-.025em; color:var(--ink); }
.lead{ color:var(--tx-mut); font-weight:500; }
.g-teal{ background:linear-gradient(96deg,var(--teal-d),var(--blue)); -webkit-background-clip:text; background-clip:text; color:transparent; }
.g-purple{ background:linear-gradient(96deg,var(--blue),var(--purple)); -webkit-background-clip:text; background-clip:text; color:transparent; }
.g-warm{ background:linear-gradient(96deg,var(--teal-d),var(--orange-d)); -webkit-background-clip:text; background-clip:text; color:transparent; }

/* glass utility */
.glass{ background:rgba(255,255,255,.42); backdrop-filter:blur(13px) saturate(180%) brightness(1.03); -webkit-backdrop-filter:blur(13px) saturate(180%) brightness(1.03);
  border:1px solid rgba(255,255,255,.5);
  box-shadow:0 28px 62px -28px rgba(31,38,90,.45), inset 0 1px 1px rgba(255,255,255,.7), inset 0 -16px 30px -24px rgba(255,255,255,.4);
  border-radius:var(--ri); }
.glass-dark{ background:rgba(18,21,44,.55); backdrop-filter:var(--blur); -webkit-backdrop-filter:var(--blur);
  border:1px solid rgba(255,255,255,.12); box-shadow:0 24px 60px -26px rgba(8,10,30,.7); border-radius:var(--ri); }

.btn{ cursor:pointer; border:none; font-weight:600; font-size:14px;
  display:inline-flex; align-items:center; gap:10px; border-radius:999px;
  transition:transform .4s var(--e), background .3s, color .3s, box-shadow .3s; }
.btn:active{ transform:scale(.97); }
.btn .ic{ width:26px; height:26px; border-radius:50%; display:grid; place-items:center; flex:none;
  transition:transform .45s var(--e); font-size:13px; }
.btn-primary{ background:linear-gradient(96deg,var(--purple),var(--blue)); color:#fff; padding:9px 9px 9px 20px;
  box-shadow:0 14px 30px -12px rgba(122,77,240,.6); }
.btn-primary .ic{ background:rgba(255,255,255,.22); color:#fff; }
.btn-primary:hover{ box-shadow:0 18px 40px -12px rgba(122,77,240,.75); transform:translateY(-2px); }
.btn-primary:hover .ic{ transform:translate(2px,-1px) scale(1.08); }
.btn-soft{ background:var(--g-bg); border:1px solid var(--g-brd); color:var(--ink); padding:9px 9px 9px 20px;
  backdrop-filter:var(--blur); -webkit-backdrop-filter:var(--blur); }
.btn-soft .ic{ background:rgba(20,23,51,.08); }
.btn-soft:hover{ background:rgba(255,255,255,.75); transform:translateY(-2px); }
.btn-soft:hover .ic{ transform:translate(2px,-1px) scale(1.08); }
.btn-ghost-light{ background:rgba(255,255,255,.14); border:1px solid rgba(255,255,255,.28); color:#fff; padding:9px 9px 9px 20px;
  backdrop-filter:blur(10px); }
.btn-ghost-light .ic{ background:rgba(255,255,255,.22); }
.btn-ghost-light:hover{ background:rgba(255,255,255,.24); }

.rv{ opacity:0; transform:translateY(24px); }

/* ============================================================ HEADER (glass mega-nav) */
header.nav{ position:fixed; top:0; left:0; right:0; z-index:200;
  transition:transform .45s var(--e), background-color .3s ease, box-shadow .3s ease; }
header.nav .nav-shell, header.nav .bar, header.nav .logo-img{ transition:background-color .3s, box-shadow .3s, padding .3s, height .3s; }
/* shell canh theo gutter của hero (clamp 20/11.5vw/160) — bù 9px padding của bar để nội dung thẳng hàng hero */
.nav-shell{ width:100%; max-width:none; margin:0; padding:12px calc(clamp(20px,11.5vw,160px) - 9px); }
.bar{ position:relative; display:flex; align-items:center; justify-content:space-between; gap:18px; padding:9px; border-radius:999px;
  background:transparent; border:1px solid transparent; box-shadow:none;
  transition:background .35s, box-shadow .35s, border-color .35s, backdrop-filter .35s; }
/* scroll: thanh trắng đặc, full chiều rộng, vuông góc, không glass, sát mép trên */
header.nav.scrolled{ background-color:#fff; box-shadow:0 1px 16px -8px rgba(20,23,51,.28); }
header.nav.scrolled .nav-shell{ padding-top:7px; padding-bottom:7px; }
header.nav.scrolled .bar{ background:transparent; border-color:transparent; border-radius:0; box-shadow:none;
  backdrop-filter:none; -webkit-backdrop-filter:none; }
header.nav.scrolled .logo-img{ height:38px; }
/* trạng thái nổi trên hero (chưa scroll): không nền, chữ + logo trắng */
header.nav:not(.scrolled) .logo-img{ filter:brightness(0) invert(1); }
header.nav:not(.scrolled) .menu-link{ color:rgba(255,255,255,.82); }
header.nav:not(.scrolled) .menu-link:hover,
header.nav:not(.scrolled) .menu-item.open .menu-link,
header.nav:not(.scrolled) .menu-link.active{ color:#fff; background:rgba(255,255,255,.14); }
header.nav:not(.scrolled) .icon-btn{ color:#fff; background:rgba(255,255,255,.14); border-color:rgba(255,255,255,.3); }
header.nav:not(.scrolled) .icon-btn:hover{ background:rgba(255,255,255,.24); }
header.nav:not(.scrolled) .burger{ background:rgba(255,255,255,.14); border-color:rgba(255,255,255,.3); }
header.nav:not(.scrolled) .burger span,
header.nav:not(.scrolled) .burger span::before,
header.nav:not(.scrolled) .burger span::after{ background:#fff; }
/* khi scroll xuống: menu đen đậm, mục hiện tại xanh teal */
header.nav.scrolled .menu-link{ color:var(--ink); }
header.nav.scrolled .menu-item.current > .menu-link,
header.nav.scrolled .menu-item.current > .menu-link:hover{ color:var(--teal-d); background:rgba(15,158,140,.10); }
.brand{ display:flex; align-items:center; flex:none; padding-right:6px; }
.logo-img{ height:46px; width:auto; transition:filter .35s; }
.menu{ display:flex; align-items:center; gap:4px; margin-inline:auto; }
/* màn rộng: menu canh chính giữa viewport (logo trái – nút phải đẩy ra 2 mép) */
@media (min-width:1100px){ .menu{ position:absolute; left:50%; top:50%; transform:translate(-50%,-50%); margin:0; } }
@media (min-width:1100px) and (max-width:1439px){ .menu{ gap:0; } .menu-link{ padding:9px 5px; font-size:13px; } .menu-link .mlink-ic{ display:none; } }
.menu-item{ position:relative; }
.menu-link{ font-size:14px; font-weight:600; color:var(--tx-mut); padding:9px 13px; border-radius:999px;
  display:inline-flex; align-items:center; gap:6px; cursor:pointer; transition:color .25s, background .25s; white-space:nowrap; }
.menu-link:hover, .menu-item.open .menu-link, .menu-link.active{ color:var(--blue); background:rgba(19,126,232,.08); }
.menu-link.active{ color:var(--blue); }
.menu-link .mlink-ic{ width:15px; height:15px; flex:none; opacity:1; color:var(--blue); }
.menu-link .chev{ width:9px; height:9px; transition:transform .3s var(--e); opacity:.6; }
.menu-item.open .menu-link .chev{ transform:rotate(180deg); }
.nav-cta{ display:flex; align-items:center; gap:10px; flex:none; }
.nav-cta .btn-primary{ padding:9px 9px 9px 18px; font-size:13.5px; }
.icon-btn{ width:42px; height:42px; border-radius:50%; display:grid; place-items:center; cursor:pointer;
  background:rgba(20,23,51,.05); border:1px solid var(--g-brd-2); color:var(--ink);
  transition:background .25s, transform .3s var(--e); flex:none; }
.icon-btn:hover{ background:rgba(20,23,51,.1); transform:rotate(8deg); }
.icon-btn svg{ width:17px; height:17px; }

/* mega panel */
.mega{ position:absolute; top:calc(100% + 14px); left:50%; transform:translateX(-50%) translateY(10px);
  background:rgba(255,255,255,.72); backdrop-filter:var(--blur); -webkit-backdrop-filter:var(--blur);
  border:1px solid var(--g-brd); box-shadow:0 30px 70px -24px rgba(31,38,90,.4); border-radius:20px;
  padding:14px; min-width:300px; opacity:0; visibility:hidden; pointer-events:none;
  transition:opacity .28s var(--e), transform .28s var(--e), visibility .28s; z-index:90; }
.mega::before{ content:''; position:absolute; top:-16px; left:0; right:0; height:18px; }
.menu-item.open .mega{ opacity:1; visibility:visible; pointer-events:auto; transform:translateX(-50%) translateY(0); }
.mega.two-col{ min-width:560px; }
.mega-head{ display:flex; align-items:center; gap:10px; padding:6px 12px 12px; }
.mega-head .mi{ width:34px; height:34px; border-radius:11px; display:grid; place-items:center; flex:none;
  background:linear-gradient(135deg,rgba(122,77,240,.16),rgba(19,126,232,.16)); color:var(--purple); }
.mega-head .mi svg{ width:18px; height:18px; }
.mega-head b{ font-size:11px; font-weight:700; letter-spacing:.16em; text-transform:uppercase; color:var(--tx-mut); }
.mega-list{ display:grid; gap:2px; }
.mega.two-col .mega-list{ grid-template-columns:1fr 1fr; gap:2px 8px; }
.mega-list a{ display:flex; align-items:center; justify-content:space-between; gap:14px;
  padding:11px 13px; border-radius:12px; font-size:14px; font-weight:500; color:var(--tx);
  transition:background .2s, color .2s, transform .2s; }
.mega-list a .ar{ opacity:0; transform:translateX(-4px); transition:opacity .2s, transform .2s; font-size:13px; color:var(--purple); }
.mega-list a:hover{ background:rgba(122,77,240,.08); color:var(--purple); }
.mega-list a:hover .ar{ opacity:1; transform:translateX(0); }
.mega-list a.feat{ background:linear-gradient(96deg,rgba(36,220,199,.16),rgba(19,126,232,.12)); font-weight:700; color:var(--ink); }
.mega-list a.feat b{ color:var(--teal-d); }

.burger{ display:none; width:42px; height:42px; border-radius:50%; border:1px solid var(--g-brd-2);
  background:rgba(20,23,51,.05); cursor:pointer; place-items:center; flex:none; }
.burger span{ display:block; width:18px; height:2px; background:var(--ink); border-radius:2px; position:relative; }
.burger span::before,.burger span::after{ content:''; position:absolute; left:0; width:18px; height:2px; background:var(--ink); border-radius:2px; transition:.3s var(--e); }
.burger span::before{ top:-6px; } .burger span::after{ top:6px; }

/* nút icon + text dùng chung (cùng style với section dịch vụ): Tìm hiểu thêm / Xem thêm */
.run-btn{ position:relative; display:inline-flex; align-items:center; gap:10px; background:none; padding:0;
  font-weight:700; font-size:13px; letter-spacing:.01em; color:var(--ink); cursor:pointer; }
.run-btn .bt{ position:relative; z-index:1; transition:transform .55s var(--e); }
.run-btn .ic{ position:relative; z-index:2; width:34px; height:34px; border-radius:50%; background:var(--blue); color:#fff; flex:none;
  display:grid; place-items:center; font-size:15px; box-shadow:0 8px 18px -8px rgba(19,126,232,.7); transition:transform .55s var(--e); }
.run-btn:hover .ic, .post:hover .run-btn .ic, .sol-post:hover .run-btn .ic{ transform:translateX(var(--run,44px)); }
.run-btn:hover .bt, .post:hover .run-btn .bt, .sol-post:hover .run-btn .bt{ transform:translateX(calc(-1 * var(--run2,44px))); }

/* ============================================================ FOOTER (3 cột: brand · nav+CTA · liên hệ+form) */
footer{ margin-top:clamp(40px,5vw,80px); background:rgba(20,23,51,.035); }
.foot-inner{ padding:0 clamp(20px,11.5vw,160px) clamp(22px,2.4vw,34px); }
.foot-rule{ height:3px; background:var(--red); margin-bottom:clamp(26px,3vw,40px); }
.foot-top{ display:grid; grid-template-columns:1.15fr 1.35fr 1fr; align-items:start; gap:clamp(28px,3vw,56px); }
.foot-top .fcol{ min-width:0; }
.fcol-brand{ display:flex; flex-direction:column; gap:16px; }
.foot-logo{ display:inline-block; }
.foot-logo img{ height:44px; width:auto; display:block; }
.foot-intro{ font-size:13.5px; line-height:1.7; color:var(--tx-mut); max-width:340px; font-weight:500; }
.fcol-nav{ padding-left:clamp(0px,1.4vw,28px); border-left:1px solid rgba(20,23,51,.14); }
.fnav-grid{ list-style:none; display:grid; grid-template-columns:1fr 1fr; grid-template-rows:repeat(4, 46px); grid-auto-flow:column; column-gap:44px; row-gap:0; margin:0; padding:0; align-items:center; }
.fnav-grid li{ list-style:none; display:flex; align-items:center; }
.fnav-grid a{ font-size:14.5px; color:var(--ink); font-weight:600; transition:color .2s; }
.fnav-grid a:hover{ color:var(--purple); }
.fnav-grid .fcta{ display:inline-flex; align-items:center; padding:9px 18px; border-radius:999px;
  background:rgba(250,49,99,.10); color:var(--red); font-weight:700; font-size:13.5px; width:fit-content; }
.fnav-grid .fcta:hover{ background:var(--red); color:#fff; }
.fcol-contact{ padding-left:clamp(0px,1.4vw,28px); border-left:1px solid rgba(20,23,51,.14); display:flex; flex-direction:column; gap:18px; }
footer h5{ font-size:11px; letter-spacing:.14em; text-transform:uppercase; color:var(--tx-faint); margin-bottom:12px; font-weight:700; }
.fcol-contact .fblock{ display:flex; flex-direction:column; gap:6px; }
.fcol-contact p{ font-size:13.5px; color:var(--tx-mut); line-height:1.8; margin:0; }
.fcol-contact a{ color:var(--ink); font-weight:600; transition:color .2s; }
.fcol-contact a:hover{ color:var(--purple); }
.foot-nl{ display:flex; gap:8px; margin-top:10px; max-width:320px; }
.foot-nl input{ flex:1; min-width:0; font-family:inherit; font-size:13px; padding:11px 15px; border-radius:999px;
  border:1px solid var(--g-brd-2); background:rgba(255,255,255,.7); color:var(--ink); outline:none; }
.foot-nl input::placeholder{ color:var(--tx-faint); }
.foot-nl .btn{ padding:10px 18px; }
.socials{ display:flex; gap:10px; margin-top:4px; }
.socials a{ width:36px; height:36px; border-radius:50%; display:grid; place-items:center; background:rgba(20,23,51,.06);
  color:var(--tx-mut); transition:background .25s, color .25s, transform .3s var(--e); }
.socials a:hover{ background:linear-gradient(135deg,var(--purple),var(--blue)); color:#fff; transform:translateY(-3px); }
.socials a svg{ width:16px; height:16px; }
.foot-b{ display:flex; justify-content:space-between; align-items:center; gap:18px; flex-wrap:wrap;
  margin-top:clamp(26px,2.6vw,38px); padding-top:20px; border-top:1px solid rgba(20,23,51,.1); font-size:12.5px; color:var(--tx-faint); }
.foot-b .lang b{ color:var(--tx-mut); }

/* ============================================================ RESPONSIVE */
@media (max-width:1080px){
  .story-bento{ grid-template-columns:repeat(2,1fr); grid-auto-rows:auto; }
  .story-bento .cell{ grid-column:auto !important; grid-row:auto !important; min-height:160px; }
  .cell-lead,.cell-red,.cell-orange{ grid-column:1 / -1 !important; }
  .svc-grid{ flex-wrap:wrap; gap:14px; padding:24px 0; }
  .svc{ margin-inline:0 !important; transform:none !important; width:clamp(150px,30vw,240px); height:clamp(200px,40vw,250px); }
  .svc:hover{ transform:translateY(-10px) !important; }
  .foot-top{ grid-template-columns:1fr 1fr; gap:32px 40px; }
  .fcol-nav, .fcol-contact{ border-left:none; padding-left:0; }
  .fcol-brand{ grid-column:1 / -1; }
}
@media (max-width:880px){
  .menu, .nav-cta .btn-primary span.lbl{ display:none; }
  .burger{ display:grid; }
  .voices-grid,.news-grid{ grid-template-columns:1fr; }
  .menu.mobile-open{ display:grid; position:absolute; top:calc(100% + 8px); left:0; right:0; margin:0 clamp(14px,3vw,28px);
    background:rgba(255,255,255,.85); backdrop-filter:var(--blur); border:1px solid var(--g-brd); border-radius:20px;
    padding:12px; gap:2px; box-shadow:var(--g-sh); }
  .menu.mobile-open .menu-item{ width:100%; }
  .menu.mobile-open .menu-link{ width:100%; justify-content:space-between; }
  .menu.mobile-open .mega{ position:static; transform:none; opacity:1; visibility:visible; pointer-events:auto;
    box-shadow:none; border:none; background:transparent; min-width:0; padding:0 8px 8px; backdrop-filter:none; }
  .menu.mobile-open .mega.two-col{ min-width:0; }
  .menu.mobile-open .mega.two-col .mega-list{ grid-template-columns:1fr; }
  .menu.mobile-open .mega-head{ display:none; }
  .menu.mobile-open .menu-item:not(.open) .mega{ display:none; }
}
@media (max-width:620px){
  .story-bento{ grid-template-columns:1fr; }
  .story-bento .cell{ grid-column:1 / -1 !important; }
  .story-bento .cell-orange{ flex-direction:column; align-items:flex-start; }
  .pill-stack{ align-self:center; margin-top:20px; }
  .foot-top{ grid-template-columns:1fr; }
  .svc-grid{ grid-template-columns:1fr; }
}
@media (prefers-reduced-motion:reduce){
  *{ animation-duration:.001s !important; transition:none !important; }
  .rv{ opacity:1; transform:none; filter:none; }
  .ltrack,.ptrack{ animation:none !important; }
}

/* giai-phap: hero sáng → transparent header dùng chữ tối (không trắng) khi chưa scroll */
header.nav:not(.scrolled){ background:transparent; backdrop-filter:none; -webkit-backdrop-filter:none; }
header.nav:not(.scrolled) .logo-img{ filter:none; }
header.nav:not(.scrolled) .menu-link{ color:var(--tx-mut); }
header.nav:not(.scrolled) .menu-link:hover, header.nav:not(.scrolled) .menu-item.open .menu-link, header.nav:not(.scrolled) .menu-link.active{ color:var(--blue); background:rgba(19,126,232,.08); }
header.nav:not(.scrolled) .icon-btn{ color:var(--ink); background:rgba(20,23,51,.05); border-color:var(--g-brd-2); }
header.nav:not(.scrolled) .burger{ background:rgba(20,23,51,.05); border-color:var(--g-brd-2); }
header.nav:not(.scrolled) .burger span, header.nav:not(.scrolled) .burger span::before, header.nav:not(.scrolled) .burger span::after{ background:var(--ink); }
header.nav .bar{ padding:9px; gap:18px; max-width:none; margin-inline:0; }
header.nav nav.menu{ gap:4px; }

/* FC-START floating contact + back-to-top */
.float-cta{ position:fixed; right:20px; bottom:20px; z-index:160; display:flex; flex-direction:column; gap:12px; }
.fc-btn{ width:52px; height:52px; border-radius:50%; display:grid; place-items:center; color:#fff; font-weight:700;
  border:0; padding:0; cursor:pointer; background:transparent; -webkit-tap-highlight-color:transparent;
  box-shadow:0 10px 26px -8px rgba(0,0,0,.45); transition:transform .35s var(--e), box-shadow .35s var(--e), opacity .3s, visibility .3s; }
.fc-btn:hover{ transform:scale(1.08) translateY(-2px); box-shadow:0 16px 34px -10px rgba(0,0,0,.55); }
.fc-btn:active{ transform:scale(.96); }
.fc-btn svg{ width:25px; height:25px; display:block; }
.fc-btn .fc-lbl{ font-size:12.5px; letter-spacing:.2px; }
.float-cta .zalo{ background:#0068FF; }
.float-cta .mess{ background:radial-gradient(circle at 30% 110%, #009DFF 0%, #2A7FFF 32%, #7C44F0 66%, #FF5C87 100%); }
.float-cta .hotline{ background:#16C784; }
.float-cta .hotline svg{ width:24px; height:24px; }
.float-cta .totop{ background:rgba(20,23,51,.85); backdrop-filter:blur(6px); -webkit-backdrop-filter:blur(6px); display:none; }
.float-cta .totop.show{ display:grid; animation:fcPop .32s var(--e); }
@keyframes fcPop{ from{ opacity:0; transform:scale(.55) translateY(8px); } to{ opacity:1; transform:none; } }
@media (max-width:600px){ .float-cta{ right:14px; bottom:14px; gap:10px; } .fc-btn{ width:48px; height:48px; } }
/* FC-END */