/* ACT Media – Empower Your Vision
   Tokens lấy từ logo: nền không gian xanh đêm, ánh neon cyan → xanh điện. */
:root{
  color-scheme:dark;
  --space:#030814;      /* nền chính */
  --deep:#071430;       /* khối nổi */
  --line:#15284f;       /* đường kẻ */
  --glow:#35d2ff;       /* cyan logo */
  --volt:#1c6bff;       /* xanh điện logo */
  --rec:#ff3b30;        /* chấm REC */
  --text:#eaf4ff;
  --muted:#93a6c9;
  --grad:linear-gradient(100deg,#35d2ff 0%,#1c6bff 100%);
  --r-s:6px; --r-m:14px; --r-l:22px;
  --wrap:1240px;
  --pad:clamp(16px,4vw,40px);
  --f:"Be Vietnam Pro",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --step--1:clamp(.82rem,.8rem + .1vw,.88rem);
  --step-0:clamp(1rem,.96rem + .2vw,1.075rem);
  --step-1:clamp(1.15rem,1.05rem + .45vw,1.35rem);
  --step-2:clamp(1.45rem,1.2rem + 1vw,2rem);
  --step-3:clamp(1.9rem,1.4rem + 2.2vw,3.1rem);
  --step-4:clamp(2.5rem,1.6rem + 4.4vw,5.6rem);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--space);color:var(--text);font-family:var(--f);font-size:var(--step-0);line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
body::before{content:"";position:fixed;inset:0;pointer-events:none;z-index:-1;
  background:
    radial-gradient(1px 1px at 12% 18%,#9fdcff88 50%,transparent 51%),
    radial-gradient(1px 1px at 72% 34%,#9fdcff66 50%,transparent 51%),
    radial-gradient(1.5px 1.5px at 38% 76%,#9fdcff55 50%,transparent 51%),
    radial-gradient(1px 1px at 88% 82%,#9fdcff77 50%,transparent 51%),
    radial-gradient(1px 1px at 55% 8%,#9fdcff55 50%,transparent 51%),
    radial-gradient(1200px 700px at 85% -10%,color-mix(in srgb,var(--volt) 25%,transparent),transparent 60%),
    radial-gradient(900px 600px at -10% 110%,color-mix(in srgb,var(--volt) 18%,transparent),transparent 60%);}
img,video,iframe{max-width:100%;display:block}
a{color:var(--glow);text-decoration-thickness:1px;text-underline-offset:3px}
h1,h2,h3{font-family:var(--fh,var(--f));line-height:1.12;letter-spacing:-.02em;margin:0 0 .5em;font-weight:var(--hw,800);text-wrap:balance}
h1{font-size:var(--step-4);letter-spacing:-.035em}
h2{font-size:var(--step-3)}
h3{font-size:var(--step-1);font-weight:700;letter-spacing:-.01em}
p{margin:0 0 1em;text-wrap:pretty}
.muted{color:var(--muted)}
.container{width:100%;max-width:var(--wrap);margin:0 auto;padding-left:max(var(--pad),env(safe-area-inset-left,0px));padding-right:max(var(--pad),env(safe-area-inset-right,0px))}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.skip{position:absolute;left:-999px;top:8px;z-index:100;background:#fff;color:#000;padding:8px 12px;border-radius:6px}
.skip:focus{left:8px}
:focus-visible{outline:2px solid var(--glow);outline-offset:3px;border-radius:4px}
.lead{font-size:var(--step-1);color:color-mix(in srgb,var(--text) 78%,var(--muted));max-width:62ch}

/* Buttons */
.btn{--h:46px;display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:var(--h);padding:0 22px;border-radius:999px;border:1px solid transparent;font:600 var(--step-0)/1 var(--f);text-decoration:none;cursor:pointer;transition:transform .15s ease,box-shadow .2s ease,background .2s ease;white-space:nowrap}
.btn svg{width:18px;height:18px}
.btn-lg{--h:54px;padding:0 28px}
.btn-primary{background:var(--grad);color:var(--btn-text,#021029);box-shadow:0 0 0 0 color-mix(in srgb,var(--glow) 0%,transparent)}
.btn-primary:hover{box-shadow:0 0 28px -4px color-mix(in srgb,var(--glow) 67%,transparent);transform:translateY(-1px)}
.btn-ghost{background:color-mix(in srgb,var(--text) 5%,transparent);border-color:color-mix(in srgb,var(--text) 20%,transparent);color:var(--text);backdrop-filter:blur(6px)}
.btn-ghost:hover{border-color:var(--glow);background:color-mix(in srgb,var(--glow) 8%,transparent)}
.row-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}

/* Header */
.site-header{position:fixed;inset:0 0 auto;padding-top:env(safe-area-inset-top,0px);z-index:50;transition:background .25s ease,border-color .25s ease;border-bottom:1px solid transparent}
.site-header.solid,.page-projects .site-header,.page-services .site-header,.page-contact .site-header,.page-404 .site-header{background:color-mix(in srgb,var(--space) 90%,transparent);backdrop-filter:blur(12px);border-bottom-color:color-mix(in srgb,var(--line) 60%,transparent)}
.bar{max-width:var(--wrap);margin:0 auto;padding:12px var(--pad);display:flex;align-items:center;gap:28px}
.logo img{height:38px;width:auto}
.main-nav{display:flex;gap:4px;margin-left:auto;align-items:center}
.main-nav a{color:var(--text);text-decoration:none;font-weight:500;padding:8px 14px;border-radius:999px;font-size:.96rem}
.main-nav a:hover{background:color-mix(in srgb,var(--text) 7%,transparent)}
.main-nav a[aria-current=page]{color:var(--glow)}
.nav-phone{display:none}
.head-cta{--h:42px;padding:0 18px;font-size:.95rem}
.menu-toggle{display:none;background:none;border:0;width:44px;height:44px;position:relative;cursor:pointer}
.menu-toggle span:not(.sr){position:absolute;left:11px;right:11px;height:2px;background:var(--text);transition:transform .2s ease}
.menu-toggle span:nth-child(1){top:17px}.menu-toggle span:nth-child(2){top:25px}
.menu-toggle[aria-expanded=true] span:nth-child(1){transform:translateY(4px) rotate(45deg)}
.menu-toggle[aria-expanded=true] span:nth-child(2){transform:translateY(-4px) rotate(-45deg)}

/* Hero – khung ngắm máy quay */
.hero{position:relative;min-height:100svh;display:flex;align-items:flex-end;overflow:hidden;isolation:isolate}
.hero-video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2}
.hero-shade{position:absolute;inset:0;z-index:-1;background:linear-gradient(180deg,color-mix(in srgb,var(--space) 80%,transparent) 0%,color-mix(in srgb,var(--space) 13%,transparent) 30%,color-mix(in srgb,var(--space) 40%,transparent) 60%,var(--space) 100%),linear-gradient(90deg,color-mix(in srgb,var(--space) 87%,transparent) 0%,color-mix(in srgb,var(--space) 0%,transparent) 65%)}
.viewfinder{position:absolute;inset:clamp(76px,10vh,110px) clamp(14px,3vw,40px) clamp(18px,4vh,40px);pointer-events:none}
.vf-c{position:absolute;width:clamp(26px,4vw,54px);height:clamp(26px,4vw,54px);border:2px solid #ffffffcc}
.vf-c.tl{top:0;left:0;border-right:0;border-bottom:0}.vf-c.tr{top:0;right:0;border-left:0;border-bottom:0}
.vf-c.bl{bottom:0;left:0;border-right:0;border-top:0}.vf-c.br{bottom:0;right:0;border-left:0;border-top:0}
.vf-rec{position:absolute;top:14px;left:22px;display:flex;align-items:center;gap:8px;font-size:.82rem;font-weight:600;letter-spacing:.06em;font-variant-numeric:tabular-nums;color:#fff}
.vf-rec b{display:inline-block;width:10px;height:10px;border-radius:50%;background:var(--rec);box-shadow:0 0 10px var(--rec);animation:blink 1.2s steps(1) infinite}
.vf-focus{position:absolute;top:50%;right:22%;width:74px;height:54px;transform:translate(50%,-50%);border:1.5px solid color-mix(in srgb,var(--glow) 73%,transparent);border-radius:4px;opacity:.85}
@keyframes blink{50%{opacity:0}}
.hero-copy{padding-bottom:clamp(64px,13vh,140px);padding-top:140px}
.hero h1{max-width:none;font-size:clamp(2.5rem,1.4rem + 4.6vw,5.4rem);margin-bottom:.35em;text-shadow:0 2px 30px color-mix(in srgb,var(--space) 53%,transparent)}
.hero-lead{font-size:var(--step-1);max-width:46ch;color:color-mix(in srgb,var(--text) 78%,var(--muted));margin-bottom:28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px}
.hero h1,.hero-lead,.hero-actions{animation:rise .9s cubic-bezier(.2,.7,.2,1) both}
.hero-lead{animation-delay:.12s}.hero-actions{animation-delay:.22s}
@keyframes rise{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}

/* Facts */
.facts{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:color-mix(in srgb,var(--deep) 8%,var(--space))}
.facts-row{display:grid;grid-template-columns:repeat(var(--n,4),minmax(0,1fr))}
.facts p{margin:0;padding:26px 20px;border-left:1px solid var(--line);display:flex;flex-direction:column;gap:2px}
.facts p:first-child{border-left:0;padding-left:0}
.facts b{font-size:var(--step-2);font-weight:800;letter-spacing:-.02em}
.facts span{color:var(--muted);font-size:var(--step--1)}

/* Sections */
.section{padding:clamp(64px,10vw,128px) 0}
.section.tight{padding-top:0}
.sec-head{max-width:760px;margin:0 auto clamp(32px,5vw,56px);text-align:center}
.sec-head p{color:var(--muted);font-size:var(--step-1);margin:0}
.sec-head.left{text-align:left;margin-left:0}
.sec-head.split{display:flex;justify-content:space-between;align-items:end;max-width:none;text-align:left;gap:20px}
.sec-head.split h2{margin:0}
.link-more{font-weight:600;white-space:nowrap}

/* Mosaic lĩnh vực */
.mosaic{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(6,1fr);grid-auto-rows:clamp(150px,16vw,220px);gap:10px}
.tile{position:relative;overflow:hidden;border-radius:var(--r-m);background:var(--deep)}
.tile img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
.tile::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 40%,color-mix(in srgb,var(--space) 93%,transparent) 100%)}
.tile-cap{position:absolute;left:16px;right:16px;bottom:14px;z-index:1}
.tile-cap h3{font-size:clamp(.98rem,.9rem + .4vw,1.25rem);margin:0}
.tile-cap p{margin:4px 0 0;font-size:var(--step--1);color:color-mix(in srgb,var(--text) 78%,var(--muted));max-width:40ch;display:none}
.tile:hover img{transform:scale(1.04)}
.t1{grid-column:span 4;grid-row:span 2}.t1 .tile-cap p,.t2 .tile-cap p{display:block}
.t2{grid-column:span 2;grid-row:span 2}
.t3,.t4,.t5{grid-column:span 2}
.t6{grid-column:span 3}.t7{grid-column:span 3}
.t8,.t9,.t10{grid-column:span 2}
.t11{grid-column:span 6;grid-row:span 1}
.mosaic.small{grid-template-columns:repeat(3,1fr);grid-auto-rows:200px}
.mosaic.small .tile{grid-column:auto;grid-row:auto}

/* Dịch vụ trang chủ */
.svc-layout{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,6fr);gap:clamp(28px,5vw,72px);align-items:start}
.svc-preview{position:sticky;top:100px;aspect-ratio:4/5;border-radius:var(--r-l);overflow:hidden;background:var(--deep);box-shadow:0 0 0 1px var(--line),0 40px 80px -40px color-mix(in srgb,var(--volt) 40%,transparent)}
.svc-preview img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0;transition:opacity .45s ease}
.svc-preview img.on{opacity:1}
.svc-list{list-style:none;margin:0;padding:0;counter-reset:s}
.svc-list li{border-top:1px solid var(--line)}
.svc-list li:last-child{border-bottom:1px solid var(--line)}
.svc-list a{display:grid;grid-template-columns:1fr;gap:6px;padding:26px 8px;text-decoration:none;color:var(--text);position:relative}
.svc-thumb{display:none}
.svc-name{font-size:var(--step-2);font-weight:700;letter-spacing:-.02em;transition:color .2s ease}
.svc-short{color:var(--muted);max-width:52ch}
.svc-list a::after{content:"";position:absolute;right:8px;top:34px;width:12px;height:12px;border-top:2px solid currentColor;border-right:2px solid currentColor;transform:rotate(45deg);opacity:.4;transition:opacity .2s,transform .2s}
.svc-list li.on .svc-name,.svc-list a:hover .svc-name,.svc-list a:focus-visible .svc-name{color:var(--glow)}
.svc-list li.on a::after,.svc-list a:hover::after{opacity:1;transform:translateX(4px) rotate(45deg)}

/* Cam kết */
.promises{background:linear-gradient(180deg,transparent,color-mix(in srgb,var(--deep) 15%,var(--space)) 40%,transparent)}
.promise-grid{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:0 clamp(24px,4vw,56px)}
.promise-grid li{border-top:2px solid var(--line);padding:22px 0 30px;position:relative}
.promise-grid li::before{content:"";position:absolute;top:-2px;left:0;width:44px;height:2px;background:var(--grad)}
.promise-grid p{color:var(--muted);margin:0}

/* Quy trình */
.steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(var(--n,6),minmax(0,1fr));gap:14px;position:relative}
.steps::before{content:"";position:absolute;left:22px;right:22px;top:22px;height:1px;background:linear-gradient(90deg,var(--glow),var(--volt),var(--line))}
.steps li{position:relative}
.step-n{display:grid;place-items:center;width:44px;height:44px;border-radius:50%;background:var(--space);border:1.5px solid var(--glow);color:var(--glow);font-weight:700;margin-bottom:18px;position:relative;font-variant-numeric:tabular-nums}
.steps h3{font-size:1.06rem}
.steps p{color:var(--muted);font-size:var(--step--1);margin:0}

/* Lịch show */
.show-list{list-style:none;margin:0;padding:0;border-top:1px solid var(--line)}
.show{display:grid;grid-template-columns:150px minmax(0,1fr) 260px 160px;gap:6px 24px;align-items:baseline;padding:18px 4px;border-bottom:1px solid var(--line)}
.show-date{font-variant-numeric:tabular-nums;color:var(--glow);font-weight:600;font-size:.95rem}
.show-title{font-size:var(--step-1);margin:0;font-weight:600}
.show-cat,.show-loc{color:var(--muted);font-size:.92rem}
.show-loc{text-align:right}
.show-sum{grid-column:2/-1;color:var(--muted);margin:0;font-size:.92rem}
.show-video{grid-column:2/-1;font-weight:600;font-size:.92rem}
.show.has-cover{grid-template-columns:150px 120px minmax(0,1fr) 220px 140px}
.show-cover{grid-row:span 2;width:120px;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-s);align-self:center}
.show[hidden]{display:none}

/* Đối tác */
.partners-grid{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,8fr);gap:clamp(24px,5vw,72px);align-items:start}
.partners-grid h2{font-size:var(--step-2)}
.partners-grid.places{margin-top:clamp(48px,7vw,88px)}
.names{list-style:none;margin:0 0 22px;padding:0;display:flex;flex-wrap:wrap;gap:8px 10px}
.names li{padding:7px 14px;border:1px solid var(--line);border-radius:999px;color:color-mix(in srgb,var(--text) 78%,var(--muted));font-size:.95rem}
.names.big li{font-size:var(--step-1);font-weight:600;color:var(--text);border-color:color-mix(in srgb,var(--line) 70%,var(--glow));background:color-mix(in srgb,var(--glow) 8%,var(--deep))}

/* Form báo giá */
.quote-home{background:radial-gradient(900px 500px at 15% 0%,color-mix(in srgb,var(--volt) 33%,transparent),transparent 70%)}
.quote-layout{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,7fr);gap:clamp(28px,5vw,72px);align-items:start}
.quote-side h2{font-size:var(--step-3)}
.quote-side p{color:var(--muted)}
.contact-quick{list-style:none;padding:0;margin:28px 0 0;display:grid;gap:14px}
.contact-quick li{display:flex;flex-direction:column}
.contact-quick li:last-child a{font-size:var(--step-1)}
.contact-quick span{color:var(--muted);font-size:var(--step--1)}
.contact-quick a{font-size:var(--step-2);overflow-wrap:anywhere;font-weight:700;color:var(--text);text-decoration:none}
.quote-form{background:color-mix(in srgb,var(--deep) 80%,transparent);border:1px solid var(--line);border-radius:var(--r-l);padding:clamp(20px,3.5vw,40px);display:grid;gap:18px}
.f-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.f-grid.three{grid-template-columns:1.3fr 1fr 1fr}
.f{display:flex;flex-direction:column;gap:7px;font-size:.92rem;font-weight:500;color:color-mix(in srgb,var(--text) 78%,var(--muted))}
.f em{color:var(--glow);font-style:normal}
.f input,.f select,.f textarea{font:400 1rem/1.4 var(--f);color:var(--text);background:var(--space);border:1px solid color-mix(in srgb,var(--line) 70%,var(--glow));border-radius:10px;padding:13px 14px;width:100%;transition:border-color .2s}
.f select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--muted) 50%),linear-gradient(135deg,var(--muted) 50%,transparent 50%);background-position:calc(100% - 20px) 55%,calc(100% - 15px) 55%;background-size:5px 5px;background-repeat:no-repeat;padding-right:36px}
.f input::placeholder,.f textarea::placeholder{color:var(--muted)}
.f input:focus,.f select:focus,.f textarea:focus{outline:none;border-color:var(--glow);box-shadow:0 0 0 3px color-mix(in srgb,var(--glow) 13%,transparent)}
.f.invalid input{border-color:#ff6b5e}
.f-err{color:#ff8a80;min-height:0;font-size:.82rem}
.f-services{border:0;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:8px}
.f-services legend{font-size:.92rem;font-weight:500;color:color-mix(in srgb,var(--text) 78%,var(--muted));margin-bottom:9px;padding:0}
.pill{position:relative;cursor:pointer}
.pill input{position:absolute;opacity:0;inset:0;cursor:pointer}
.pill span{display:inline-block;padding:9px 15px;border-radius:999px;border:1px solid color-mix(in srgb,var(--line) 70%,var(--glow));font-size:.92rem;color:color-mix(in srgb,var(--text) 78%,var(--muted));transition:all .15s}
.pill input:checked+span{background:color-mix(in srgb,var(--glow) 12%,transparent);border-color:var(--glow);color:var(--text)}
.pill input:focus-visible+span{outline:2px solid var(--glow);outline-offset:2px}
.f-foot{display:flex;flex-wrap:wrap;align-items:center;gap:16px 22px}
.f-note{margin:0;color:var(--muted);font-size:.92rem}
.f-status{margin:0;font-weight:600}
.f-status:empty{display:none}
.f-status.ok{color:#5ef0b4}.f-status.bad{color:#ff8a80}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.quote-form button[disabled]{opacity:.6;cursor:progress}

/* CTA */
.cta-band{padding:clamp(48px,7vw,88px) 0;border-top:1px solid var(--line);background:radial-gradient(700px 300px at 85% 50%,color-mix(in srgb,var(--volt) 20%,transparent),transparent 70%),color-mix(in srgb,var(--deep) 8%,var(--space))}
.cta-inner{display:flex;justify-content:space-between;align-items:center;gap:32px;flex-wrap:wrap}
.cta-inner h2{font-size:var(--step-3);margin-bottom:.3em}
.cta-inner p{color:var(--muted);max-width:56ch;margin:0}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* Trang con */
.page-hero{padding:clamp(130px,16vw,190px) 0 clamp(40px,6vw,72px);border-bottom:1px solid var(--line);background:radial-gradient(800px 400px at 80% 0%,color-mix(in srgb,var(--volt) 33%,transparent),transparent 70%)}
.page-hero h1{font-size:var(--step-4);max-width:16ch}
.crumbs{display:flex;flex-wrap:wrap;gap:8px;font-size:var(--step--1);color:var(--muted);margin-bottom:18px}
.crumbs a{color:var(--muted);text-decoration:none}.crumbs a:hover{color:var(--glow)}
.crumbs a::after{content:"/";margin-left:8px;color:color-mix(in srgb,var(--line) 70%,var(--glow))}
.svc-block{display:grid;grid-template-columns:minmax(0,6fr) minmax(0,5fr);gap:clamp(24px,5vw,64px);align-items:center;padding:clamp(28px,5vw,56px) 0;border-bottom:1px solid var(--line)}
.svc-block:first-child{padding-top:0}
.svc-block img{border-radius:var(--r-l);aspect-ratio:4/3;object-fit:cover;width:100%}
.svc-block.flip img{order:2}
.svc-block h2{font-size:var(--step-3)}
.ticks{list-style:none;padding:0;margin:18px 0 0;display:grid;gap:11px}
.ticks li{position:relative;padding-left:30px}
.ticks li::before{content:"";position:absolute;left:0;top:.42em;width:16px;height:9px;border-left:2px solid var(--glow);border-bottom:2px solid var(--glow);transform:rotate(-45deg)}
.svc-hero{position:relative;min-height:78svh;display:flex;align-items:flex-end;isolation:isolate;overflow:hidden}
.svc-hero-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2}
.svc-hero-shade{position:absolute;inset:0;z-index:-1;background:linear-gradient(180deg,color-mix(in srgb,var(--space) 73%,transparent),color-mix(in srgb,var(--space) 20%,transparent) 40%,var(--space) 100%),linear-gradient(90deg,color-mix(in srgb,var(--space) 80%,transparent),transparent 70%)}
.svc-hero-copy{padding-bottom:clamp(48px,8vw,96px);padding-top:140px}
.svc-hero h1{max-width:14ch}
.svc-hero .lead{margin-bottom:26px}
.svc-cols{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:clamp(28px,5vw,72px)}
.deliver{background:var(--deep);border:1px solid var(--line);border-radius:var(--r-l);padding:clamp(22px,3vw,36px)}
.deliver h2,.svc-cols h2{font-size:var(--step-2)}
.deliver .muted{margin:20px 0 0;font-size:.92rem}
.fields.compact{padding-top:0}
.other-h{margin-top:32px;font-size:1rem;color:var(--muted)}
.other-svc{list-style:none;padding:0;margin:0;display:grid;gap:8px}
.other-svc a{color:var(--text);text-decoration:none;font-weight:600}.other-svc a:hover{color:var(--glow)}

.chips{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:32px}
.chip{font:500 .92rem var(--f);padding:9px 16px;border-radius:999px;border:1px solid var(--line);background:transparent;color:color-mix(in srgb,var(--text) 78%,var(--muted));cursor:pointer}
.chip:hover{border-color:color-mix(in srgb,var(--line) 70%,var(--glow))}
.chip.on{background:var(--text);color:var(--space);border-color:var(--text)}
.cover-grid{list-style:none;margin:0 0 40px;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.cover-card{background:var(--deep);border-radius:var(--r-m);overflow:hidden;border:1px solid var(--line)}
.cover-card img{aspect-ratio:4/3;object-fit:cover;width:100%}
.cover-card div{padding:16px 18px 20px}
.cover-card time{color:var(--glow);font-size:.88rem;font-weight:600}
.cover-card h3{margin:4px 0 6px}
.cover-card p{color:var(--muted);margin:0;font-size:.92rem}
.cover-card[hidden]{display:none}
.empty-filter{color:var(--muted);padding:24px 0}
.portfolio-note{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap;margin-top:48px;padding:24px 28px;border:1px dashed color-mix(in srgb,var(--line) 70%,var(--glow));border-radius:var(--r-m)}
.portfolio-note p{margin:0;color:color-mix(in srgb,var(--text) 78%,var(--muted))}

.about-hero{padding:clamp(130px,16vw,190px) 0 clamp(40px,6vw,72px);background:radial-gradient(900px 500px at 75% 30%,color-mix(in srgb,var(--volt) 20%,transparent),transparent 70%)}
.about-hero-grid{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:40px;align-items:center}
.about-logo{width:100%;max-width:440px;justify-self:center;filter:drop-shadow(0 0 40px color-mix(in srgb,var(--volt) 33%,transparent))}
.story-grid{display:grid;grid-template-columns:minmax(0,6fr) minmax(0,6fr);gap:clamp(28px,5vw,72px);align-items:center}
.story-grid img{border-radius:var(--r-l);width:100%;aspect-ratio:16/10;object-fit:cover}
.story-grid.flip img{order:2}
.story-grid h3{margin-top:28px}
.story-grid p{color:color-mix(in srgb,var(--text) 78%,var(--muted))}
.value-list{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(var(--n,5),minmax(0,1fr));gap:16px}
.value-list li{padding:24px 20px;border:1px solid var(--line);border-radius:var(--r-m);background:color-mix(in srgb,var(--deep) 15%,var(--space))}
.value-list h3{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;font-size:var(--step-1)}
.value-list p{color:var(--muted);margin:0;font-size:.94rem}
.legal-list{display:grid;grid-template-columns:220px 1fr;margin:0;border-top:1px solid var(--line)}
.legal-list dt,.legal-list dd{margin:0;padding:14px 0;border-bottom:1px solid var(--line)}
.legal-list dt{color:var(--muted)}

.contact-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.contact-cards{padding-top:clamp(40px,6vw,64px);padding-bottom:0}
.c-card{display:flex;flex-direction:column;gap:6px;padding:22px;border:1px solid var(--line);border-radius:var(--r-m);background:var(--deep);text-decoration:none;color:var(--text);transition:border-color .2s}
.c-card:hover{border-color:var(--glow)}
.c-card span{color:var(--muted);font-size:var(--step--1)}
.c-card b{font-size:var(--step-2);font-weight:800;letter-spacing:-.01em}
.c-card b.sm{font-size:1.05rem;word-break:break-all}
.c-card small{color:var(--muted)}
.need-list{margin:16px 0 0;padding-left:22px;display:grid;gap:8px;color:color-mix(in srgb,var(--text) 78%,var(--muted))}
.need-list li::marker{color:var(--glow);font-weight:700}
.office-grid{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,7fr);gap:clamp(24px,5vw,64px);align-items:center}
.office .addr{font-size:var(--step-2);font-weight:700;line-height:1.3}
.map{width:100%;aspect-ratio:16/10;border:0;border-radius:var(--r-l);filter:invert(.9) hue-rotate(185deg) saturate(.8);background:var(--deep)}
.faq-wrap{max-width:880px}
.faq-wrap h2{text-align:center;margin-bottom:32px}
.faq-list details{border-bottom:1px solid var(--line)}
.faq-list summary{list-style:none;cursor:pointer;padding:20px 40px 20px 0;font-weight:600;font-size:var(--step-1);position:relative}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary::after{content:"";position:absolute;right:6px;top:50%;width:10px;height:10px;border-right:2px solid var(--glow);border-bottom:2px solid var(--glow);transform:translateY(-70%) rotate(45deg);transition:transform .2s}
.faq-list details[open] summary::after{transform:translateY(-30%) rotate(-135deg)}
.faq-list p{color:var(--muted);padding:0 0 20px;margin:0;max-width:70ch}
.nf{min-height:70svh;display:flex;align-items:center}

/* Footer */
.site-footer{border-top:1px solid var(--line);background:color-mix(in srgb,var(--deep) 20%,var(--space));padding:64px 0 calc(28px + env(safe-area-inset-bottom))}
.foot-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:36px}
.foot-brand img{width:220px;height:auto;margin-bottom:16px}
.site-footer h2{font-size:1rem;font-weight:700;margin:0 0 12px;color:var(--text);letter-spacing:0}
.site-footer p,.site-footer li{color:var(--muted);font-size:.94rem}
.site-footer p+h2{margin-top:20px}
.foot-list{list-style:none;padding:0;margin:0;display:grid;gap:9px}
.foot-list a{color:color-mix(in srgb,var(--text) 78%,var(--muted));text-decoration:none}.foot-list a:hover{color:var(--glow)}
.foot-list span{display:block;font-size:.84rem}
.foot-bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;margin-top:44px;padding-top:22px;border-top:1px solid var(--line)}
.foot-bottom p{margin:0;font-size:.88rem}
.socials{display:flex;gap:18px;flex-wrap:wrap}
.socials a{color:color-mix(in srgb,var(--text) 78%,var(--muted))}

/* Dock liên hệ nhanh */
.dock{position:fixed;right:18px;bottom:18px;z-index:40;display:flex;flex-direction:column;gap:10px}
.dock a{display:flex;align-items:center;gap:8px;height:52px;padding:0 18px 0 14px;border-radius:999px;text-decoration:none;font-weight:600;color:#fff;box-shadow:0 10px 30px -10px #000}
.dock svg{width:22px;height:22px}
.dock-zalo{background:#0068ff}
.dock-call{color:var(--text)!important;background:var(--deep);border:1px solid color-mix(in srgb,var(--line) 70%,var(--glow))}
.dock-quote{display:none!important}

/* Showreel */
.reel{border:0;padding:0;background:#000;width:min(1100px,94vw);border-radius:var(--r-m);overflow:visible}
.reel::backdrop{background:#000000cc;backdrop-filter:blur(4px)}
.reel video{width:100%;border-radius:var(--r-m)}
.reel-close{position:absolute;top:-46px;right:0;background:none;border:1px solid #ffffff55;color:#fff;border-radius:999px;padding:8px 16px;font:600 .9rem var(--f);cursor:pointer}

/* Responsive */
@media (max-width:1080px){
  .steps{grid-template-columns:repeat(3,1fr);row-gap:36px}.steps::before{display:none}
  .value-list{grid-template-columns:repeat(3,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr}
  .contact-grid{grid-template-columns:1fr 1fr}
  .show{grid-template-columns:130px minmax(0,1fr) 150px}.show-cat{display:none}
  .show.has-cover{grid-template-columns:130px 100px minmax(0,1fr) 150px}.show-cover{width:100px}
}
@media (max-width:900px){
  .main-nav{position:fixed;inset:64px 0 auto 0;flex-direction:column;align-items:stretch;gap:0;background:color-mix(in srgb,var(--space) 97%,transparent);backdrop-filter:blur(14px);padding:8px var(--pad) 24px;border-bottom:1px solid var(--line);transform:translateY(-8px);opacity:0;visibility:hidden;transition:all .2s ease}
  .main-nav.open{transform:none;opacity:1;visibility:visible}
  .main-nav a{padding:14px 4px;border-radius:0;border-bottom:1px solid var(--line);font-size:1.08rem}
  .nav-phone{display:block;color:var(--glow)!important;font-weight:700}
  .menu-toggle{display:block;margin-left:auto}
  .head-cta{display:none}
  .bar{gap:12px}
  .site-header{background:color-mix(in srgb,var(--space) 80%,transparent);backdrop-filter:blur(10px)}
  .svc-layout,.quote-layout,.partners-grid,.svc-cols,.story-grid,.about-hero-grid,.office-grid{grid-template-columns:1fr}
  .svc-preview{display:none}
  .svc-list a{grid-template-columns:96px 1fr;column-gap:16px;padding:18px 28px 18px 0}
  .svc-thumb{display:block;grid-row:span 2;width:96px;height:96px;object-fit:cover;border-radius:var(--r-s)}
  .svc-name{font-size:1.2rem}.svc-short{font-size:.92rem}
  .svc-list a::after{right:4px;top:50%}
  .svc-block,.svc-block.flip{grid-template-columns:1fr}.svc-block.flip img{order:0}
  .story-grid.flip img{order:0}
  .promise-grid{grid-template-columns:1fr 1fr}
  .cover-grid{grid-template-columns:1fr 1fr}
  .mosaic{grid-template-columns:repeat(2,1fr);grid-auto-rows:170px}
  .mosaic .tile{grid-column:span 1;grid-row:span 1}
  .mosaic .t1{grid-column:span 2;grid-row:span 2}
  .mosaic .t10,.mosaic .t11{grid-column:span 2}
  .tile-cap p{display:none!important}
  .mosaic.small{grid-template-columns:1fr 1fr;grid-auto-rows:150px}
  .about-logo{max-width:300px;justify-self:start}
  .dock{left:0;right:0;bottom:0;flex-direction:row;gap:0;padding:8px 10px calc(8px + env(safe-area-inset-bottom));background:color-mix(in srgb,var(--space) 95%,transparent);border-top:1px solid var(--line);backdrop-filter:blur(10px)}
  .dock a{flex:1;justify-content:center;height:46px;border-radius:12px;margin:0 4px;box-shadow:none;padding:0 10px;font-size:.95rem}
  .dock-quote{display:flex!important;background:var(--grad);color:var(--btn-text,#021029)!important}
  body{padding-bottom:70px}
  .vf-focus{display:none}
}
@media (max-width:620px){
  .facts-row{grid-template-columns:1fr 1fr}
  .facts p{padding:18px 14px;border-left:0;border-top:1px solid var(--line)}
  .facts p:nth-child(-n+2){border-top:0}.facts p:nth-child(odd){padding-left:0;border-right:1px solid var(--line)}
  .promise-grid,.cover-grid,.steps,.value-list,.contact-grid,.foot-grid{grid-template-columns:1fr}
  .f-grid,.f-grid.three{grid-template-columns:1fr}
  .show,.show.has-cover{grid-template-columns:1fr;gap:2px}
  .show-cover{grid-row:auto;width:100%;margin-bottom:10px}
  .show-loc{text-align:left}.show-cat{display:inline}
  .show-sum,.show-video{grid-column:auto}
  .sec-head{text-align:left}
  .sec-head.split{flex-direction:column;align-items:flex-start}
  .legal-list{grid-template-columns:1fr}.legal-list dt{padding-bottom:0;border:0}
  .hero h1{font-size:clamp(2.3rem,11vw,3.2rem)}
  .btn-lg{--h:50px;padding:0 22px}
  .hero-actions .btn{flex:1 1 auto}
  .reel-close{top:-44px}
  .logo img{height:32px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}
.projects-page,.svc-detail-list,.contact-cards{padding-top:clamp(40px,6vw,64px)}
img.map{filter:none;object-fit:cover}