/* UX layer 09/2026 — cùng ngôn ngữ với cfland: nav trong suốt trên hero, hero full-bleed, dải số liệu, statement, thẻ ảnh, reveal. */
[id]{scroll-margin-top:84px}
header.topbar{position:fixed;top:0;left:0;right:0;z-index:40;background:transparent;border-bottom:1px solid rgba(255,255,255,.14);color:#fff;backdrop-filter:none;-webkit-backdrop-filter:none;transition:background .3s,border-color .3s,color .3s}
header.topbar.solid{background:rgba(237,243,241,.92);backdrop-filter:blur(16px) saturate(125%);-webkit-backdrop-filter:blur(16px) saturate(125%);border-bottom-color:rgba(11,37,42,.11);color:var(--text)}
header.topbar .lg-d{display:none}header.topbar.solid .lg-d{display:block}header.topbar.solid .lg-w{display:none}
header.topbar:not(.solid) .navlinks a:hover{color:var(--teal)}header.topbar:not(.solid) .menu-toggle{color:#fff;border-color:rgba(255,255,255,.35)}
.mobile-menu{position:fixed}
.hero{min-height:max(680px,100svh);padding-top:76px}
.hero::before{opacity:.5;mask-image:linear-gradient(180deg,transparent,#000 30%,#000 70%,transparent);background-size:96px 96px}
.hero-media{background:linear-gradient(180deg,rgba(7,25,29,.55) 0%,rgba(7,25,29,.25) 40%,rgba(7,25,29,.92) 100%),linear-gradient(90deg,rgba(7,25,29,.6) 0%,rgba(7,25,29,.08) 60%)}
.hero-media:after{display:none}
.hbg{object-position:center;transform:scale(1.06);transition:opacity 1.6s ease,transform 7s linear}.hbg.dang{transform:scale(1)}
.hero-grid{grid-template-columns:1.35fr .65fr;align-items:end;padding:clamp(48px,8vh,96px) 0 80px}
.hero-copy{max-width:none}
section.hero h1, main .hero h1{font-size:clamp(46px,7.2vw,108px);line-height:1.08;letter-spacing:0;text-transform:uppercase;margin:18px 0 24px}
.hero-proof{border-top:0;border-left:2px solid var(--teal);padding:6px 0 6px 20px}.hero-proof b{font-size:60px}
.hero-cap{left:max(24px,calc((100% - var(--wrap))/2));right:auto;bottom:26px;gap:12px}
.hero-cap i{width:56px;height:2px;background:rgba(255,255,255,.25)!important;position:relative;overflow:hidden}
.hero-cap i::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,var(--ember),var(--teal));transform-origin:left;animation:bar 6s linear infinite}
@keyframes bar{from{transform:scaleX(0)}to{transform:scaleX(1)}}
.hero-cap em{font-style:normal;color:#fff}
.route{display:none}
/* dải số liệu */
.stats{background:#041215;color:var(--on);border-top:1px solid rgba(255,255,255,.12)}.stats .wrap{display:grid;grid-template-columns:repeat(5,1fr)}
.stats div{padding:26px 22px 24px;border-left:1px solid rgba(255,255,255,.12)}.stats div:first-child{border-left:0;padding-left:0}
.stats b{display:block;font:800 46px/1 var(--disp);color:#fff}.stats b i{font-style:normal;color:var(--teal)}
.stats span{display:block;margin-top:6px;color:var(--ondim);font:600 11.5px var(--mono);letter-spacing:.08em;text-transform:uppercase}
/* statement */
.statement{padding:clamp(64px,8vw,104px) 0;background:#fff;border-bottom:1px solid var(--line)}
.statement p{margin:0;font:800 clamp(28px,3.9vw,54px)/1.08 var(--disp);max-width:26ch;letter-spacing:0}
.statement em{font-style:normal;color:var(--deep)}
.statement small{display:block;margin-top:22px;color:var(--muted);font:600 12px var(--mono);letter-spacing:.14em;text-transform:uppercase}
/* thẻ ảnh dịch vụ */
.tiles{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.tile{position:relative;min-height:500px;overflow:hidden;display:flex;flex-direction:column;justify-content:flex-end;padding:28px 26px;background:#041215;isolation:isolate;text-decoration:none;color:#fff}
.tile img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2;transition:transform .9s ease;filter:saturate(.85)}
.tile:hover img{transform:scale(1.07)}
.tile::before{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(180deg,rgba(4,18,21,.15) 0%,rgba(4,18,21,.3) 45%,rgba(4,18,21,.93) 100%)}
.tile .service-code{position:absolute;top:24px;left:26px}
.tile.lead .service-code{color:var(--ember-bright)}.tile.lead .service-code small{background:var(--ember);color:#fff}
.tile h3{font:700 clamp(28px,2.6vw,38px)/1 var(--disp);margin:0 0 10px;color:#fff}
.tile p{color:var(--ondim);font-size:14px;margin:0;max-width:none}
.tile .service-arrow{position:absolute;top:22px;right:24px;font-size:24px;color:var(--teal)}.tile.lead .service-arrow{color:var(--ember-bright)}
.tile.lead{outline:2px solid var(--ember);outline-offset:-2px}
/* chung */
main .section-head h2{letter-spacing:0;line-height:1.04;margin-top:14px}
main .position-title h2,main .ops-copy h2,main .group-copy h2,main .readiness-copy h2,main .intent-intro h2{line-height:1.04;letter-spacing:0}
main .cta h2{line-height:1.04;font-size:clamp(42px,5vw,68px)}
.ink{background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(135deg,rgba(58,195,189,.045),transparent 34%);background-size:96px 96px,96px 96px,auto}
body{counter-reset:sec}.section .section-head .eyebrow::after{counter-increment:sec;content:counter(sec,decimal-leading-zero);order:-1;margin-right:2px}
.process-step b{font:800 40px/1 var(--disp)}
footer{border-top:3px solid var(--teal)}
.js .rv{opacity:0;transform:translateY(22px);transition:opacity .7s ease,transform .7s ease}.js .rv.in{opacity:1;transform:none}
@media(max-width:1100px){.tiles{grid-template-columns:1fr}.tile{min-height:340px}.stats .wrap{grid-template-columns:repeat(3,1fr)}.stats div:nth-child(4){border-left:0;padding-left:0}}
@media(max-width:620px){.hero{min-height:640px}section.hero h1{font-size:52px;line-height:1.08}.hero-cap{display:flex;bottom:16px}.hero-media{background:linear-gradient(180deg,rgba(7,25,29,.6) 0%,rgba(7,25,29,.35) 40%,rgba(7,25,29,.95) 100%)}.stats .wrap{grid-template-columns:1fr 1fr}.stats div{padding:18px 14px}.stats div:nth-child(odd){border-left:0;padding-left:0}.stats div:nth-child(4){border-left:1px solid rgba(255,255,255,.12);padding-left:14px}.stats b{font-size:34px}.statement p{max-width:none}}
@media(prefers-reduced-motion:reduce){.hbg{transform:none}.hero-cap i::after{animation:none}.js .rv{opacity:1;transform:none;transition:none}}