@font-face{font-family:Axel;src:url(/assets/fonts/axel-regular.woff2) format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:Axel;src:url(/assets/fonts/axel-bold.woff2) format("woff2");font-weight:700;font-display:swap}
@font-face{font-family:Aughris;src:url(/assets/fonts/aughris.woff2) format("woff2");font-weight:400;font-display:swap}

:root{--navy:#0E2A57;--blue:#2F6FED;--ice:#EAF1FB;--ink:#101826;--mute:#5C6B7F;--line:#CFDBEF}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;font:400 1.0625rem/1.65 Axel,sans-serif;color:var(--ink);background:#fff}
h1,h2,h3{font-family:Axel,sans-serif;font-weight:700;letter-spacing:-.02em;line-height:1.2;margin:0 0 .6em;color:var(--navy);overflow-wrap:break-word}
h1{font-size:clamp(1.8rem,4.4vw,3rem)}h2{font-size:clamp(1.4rem,2.8vw,2rem)}h3,.h3{font-size:1.1rem}
a{color:var(--blue)}p{margin:0 0 1em}
.wrap{max-width:1120px;margin:0 auto;padding:0 20px}
.skip{position:absolute;left:-999px}.skip:focus{left:12px;top:12px;background:#fff;padding:8px 14px;z-index:9}
:focus-visible{outline:3px solid var(--blue);outline-offset:3px}
.top{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:8px 24px;padding-top:16px;padding-bottom:16px}
.logo{font:700 1.2rem Axel,sans-serif;color:var(--navy);text-decoration:none;display:inline-flex;align-items:center;gap:10px}
.logo i{width:14px;height:14px;background:var(--blue);border-radius:4px 4px 4px 0}
nav a{color:var(--ink);text-decoration:none;font-weight:600;padding:6px 10px;display:inline-block}
nav a[aria-current]{color:var(--blue);box-shadow:inset 0 -2px var(--blue)}
section{padding:72px 0}.alt{background:var(--ice)}.dark{background:var(--navy);color:#dbe6fa}.dark h2,.dark .logo{color:#fff}
.hero{display:grid;grid-template-columns:1.2fr .8fr;gap:56px;align-items:end;padding-top:64px}
.lead{font-size:1.2rem;color:var(--mute);max-width:56ch}
.btn{display:inline-block;background:var(--blue);color:#fff;font-weight:800;text-decoration:none;padding:14px 26px;border-radius:999px;margin-right:16px}
.btn:hover{background:#1f57c7}.btn.w{background:#fff;color:var(--navy)}.btn.w:hover{background:var(--ice)}
.lnk{font-weight:800}
.panel{margin:0;background:var(--navy);color:#fff;padding:28px;border-radius:32px 32px 32px 4px}
.panel figcaption{font-size:.95rem;color:#b9cdf3}
.bars{display:flex;align-items:flex-end;gap:8px;height:240px;margin-top:28px}
.bars b{flex:1;height:var(--h);background:#6C9BF5;border-radius:4px 4px 0 0;transform-origin:bottom;animation:g .9s ease-out var(--d) both}
.bars b:last-child{background:#fff}@keyframes g{from{transform:scaleY(.04)}}
.rows{padding:0;margin:0 0 24px}.rows li{list-style:none;display:grid;grid-template-columns:1fr 1.5fr;gap:8px 40px;padding:26px 0;border-top:1px solid var(--line)}
.rows h2,.rows h3{margin:0}.rows p{margin:0}
.steps{counter-reset:s;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:40px;margin:32px 0 0}
.steps li{list-style:none;counter-increment:s}.steps li:before{content:counter(s);font:700 2.4rem Axel,sans-serif;color:var(--blue);display:block;margin-bottom:8px}
.pg{padding-top:56px;padding-bottom:56px}.two{display:grid;grid-template-columns:1fr 1.6fr;gap:40px}
.prose{max-width:68ch}.prose h2{margin-top:1.6em}dt{font-weight:800;color:var(--navy);margin-top:1em}dd{margin:0}
.tiles{display:grid;grid-template-columns:repeat(6,1fr);gap:32px 24px}.tile{grid-column:span 2}.tile.big{grid-column:span 4}
.thumb{aspect-ratio:16/9;display:flex;align-items:flex-end;padding:20px;margin-bottom:14px;font:700 1.3rem Axel,sans-serif;color:#fff;border-radius:24px 24px 24px 4px}
.tile.sm .thumb{aspect-ratio:4/3}.t0{background:var(--navy)}.t1{background:var(--blue)}.t2{background:#1B4DB3}
.crumb,.meta{font-size:.95rem;color:var(--mute)}
.cta{padding:64px 0}.cta p{max-width:52ch}

@media(max-width:800px){.hero,.two,.steps,.rows li{grid-template-columns:1fr}.hero{gap:32px;padding-top:32px}.two{gap:24px}.rows li{gap:8px}.steps{gap:28px}.tiles{grid-template-columns:1fr}.tile,.tile.big{grid-column:1/-1}section{padding:48px 0}}
@media(prefers-reduced-motion:reduce){*{animation:none!important;scroll-behavior:auto}}

/*hero-fix*/.hero{padding-bottom:72px}@media(max-width:800px){.hero{padding-bottom:48px}}

/*home-v2*/blockquote{margin:0;padding-left:20px;border-left:4px solid var(--blue);font:700 1.25rem/1.4 Axel,sans-serif;color:var(--navy)}
.facts{padding-left:1.2em}.facts li{margin-bottom:.4em}
.slot{position:relative;aspect-ratio:var(--r,16/9);display:grid;place-items:center;text-align:center;padding:12px;overflow:hidden;background:var(--ice);border:2px dashed #9DB8E8;border-radius:16px;color:var(--mute);font-size:.95rem;font-weight:600;width:100%}
.alt .slot{background:#fff}.slot small{display:block;font-weight:400;font-size:.8rem;margin-top:4px;overflow-wrap:anywhere}
.slot img,.slot iframe,.slot video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;border:0;background:#000}
.slot:has(>img),.slot:has(>video){border-style:solid;border-color:transparent;background:#000;padding:0}
.vid{border:0;background-size:cover;background-position:center;cursor:pointer;padding:0;background-color:var(--navy)}.on{border:0;background:#000}
.play{width:56px;height:56px;border-radius:50%;background:rgba(255,255,255,.92);position:relative}.play:after{content:"";position:absolute;left:23px;top:16px;border-left:18px solid var(--navy);border-top:12px solid transparent;border-bottom:12px solid transparent}
.vid:hover .play{background:#fff}
.panel .slot{background:#17386f;border-color:#6C9BF5;color:#b9cdf3}.panel figcaption{margin-top:14px}
.gal{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:16px;margin-top:48px;align-items:end}
.case{display:grid;grid-template-columns:.8fr 1.4fr;gap:16px 48px;padding:48px 0;border-top:1px solid var(--line)}
.media{display:grid;grid-template-columns:repeat(var(--c,2),1fr);gap:16px;align-content:start}
@media(max-width:800px){.case,.gal{grid-template-columns:1fr}.media[style*="--c:5"],.media[style*="--c:6"]{grid-template-columns:repeat(2,1fr)}.gal .slot{--r:4/3!important}}

/*fonts-v2: Aughris cho tiêu đề lớn, Axel Bold cho tiêu đề nhỏ và nút, Axel Regular cho nội dung*/
:root{--display:Aughris,Impact,"Arial Narrow",sans-serif;--sans:Axel,"Arial Narrow",system-ui,sans-serif}
body{font-family:var(--sans);font-size:1.18rem;line-height:1.55;font-synthesis:none}
h1,h2{font-family:var(--display);font-weight:400;letter-spacing:.01em;line-height:1.08}
h1{font-size:clamp(2.5rem,6.2vw,4.7rem)}h2{font-size:clamp(2rem,4.4vw,3.2rem)}
h3,.h3{font-family:var(--sans);font-weight:700;font-size:1.4rem;letter-spacing:0;line-height:1.25}
.lead{font-size:1.4rem;line-height:1.45}
.logo{font-family:var(--display);font-weight:400;font-size:1.7rem;letter-spacing:.02em}
nav a{font-weight:700;font-size:1.12rem}
.btn,.lnk,dt{font-weight:700}.btn{font-size:1.15rem}
blockquote{font:400 clamp(1.7rem,3vw,2.3rem)/1.15 var(--display);letter-spacing:.01em}
.steps li:before{font:400 3.4rem var(--display)}
.thumb{font:400 1.9rem var(--display);letter-spacing:.02em}
.prose h2{font-size:clamp(1.7rem,3vw,2.3rem)}
article.pg h1{font-size:clamp(2.2rem,5vw,3.6rem)}
.crumb,.meta{font-size:1.05rem}
.slot{font-weight:400}.slot small{font-size:.9rem}

/*footer-v2*/
.cta{padding:72px 0 64px}
.cta .wrap{display:grid;grid-template-columns:1.5fr .9fr;gap:32px 64px;align-items:end}
.cta h2{font-size:clamp(2.2rem,4.6vw,3.6rem);text-wrap:balance;max-width:20ch}
.cta p{font-size:1.25rem;max-width:44ch;text-wrap:pretty}
.bigtel{display:block;text-decoration:none;color:#fff;font:400 clamp(2.4rem,4.4vw,3.6rem)/1 var(--display);letter-spacing:.02em;border-left:4px solid var(--blue);padding:4px 0 4px 24px;white-space:nowrap}
.bigtel small{display:block;font:400 1.1rem/1.4 var(--sans);letter-spacing:0;color:#b9cdf3;margin-bottom:10px}
.bigtel:hover{color:#8FB3FA}
.foot{padding:56px 0 28px;border-top:1px solid rgba(255,255,255,.16)}
.foot .fgrid{display:grid;grid-template-columns:1.4fr .7fr 1.3fr .9fr;gap:40px}
.fh{font:700 1.05rem var(--sans);color:#8FB3FA;margin:0 0 14px}
.foot ul{list-style:none;padding:0;margin:0}.foot li{margin-bottom:8px}
.foot a{color:#fff;text-decoration:none;font-size:1.12rem}.foot a:hover{text-decoration:underline}
.foot nav a{display:block;padding:0 0 8px}
.fbrand p{max-width:34ch;margin:14px 0 0;font-size:1.12rem}
.foot .logo i{background:#6C9BF5}
.foot .copy{display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px 24px;margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.16);color:#b9cdf3}
.foot .copy p{margin:0;font-size:1rem}
@media(max-width:800px){.cta .wrap{grid-template-columns:1fr}.foot .fgrid{grid-template-columns:1fr 1fr}.fbrand{grid-column:1/-1}}

/*skills*/
.skills{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;margin-top:8px;align-items:start}
.skills>div{padding:32px}.skills .pro{background:var(--ice);border-radius:28px 28px 28px 4px}
.skills h3{font:400 clamp(1.8rem,3vw,2.3rem)/1.1 var(--display);letter-spacing:.01em;margin:0 0 10px}
.skills ul{list-style:none;margin:0;padding:0}.skills li{padding:18px 0;border-top:1px solid #C3D3EE}.skills .soft li{border-top-color:var(--line)}
.skills strong{display:block;font:700 1.3rem/1.3 var(--sans);color:var(--navy);margin-bottom:4px}.skills p{margin:0}
@media(max-width:800px){.skills{grid-template-columns:1fr;gap:24px}.skills>div{padding:24px}}

/*logo-img*/
.logo img{display:block;height:60px;width:auto}
.foot .logo img{height:72px}
@media(max-width:800px){.logo img{height:48px}.foot .logo img{height:60px}}

/*hero-slides*/
.slides{position:relative;aspect-ratio:4/5;border-radius:20px;overflow:hidden;background:#17386f;touch-action:pan-y}
.sl{position:absolute;inset:0;z-index:0;clip-path:inset(100% 0 0 0)}
.sl img{display:block;width:100%;height:100%;object-fit:cover;transform:scale(1.16)}
.sl.on{z-index:2;clip-path:inset(0);transition:clip-path .9s cubic-bezier(.77,0,.18,1)}
.sl.on img{transform:scale(1);transition:transform 1.6s cubic-bezier(.22,.8,.24,1)}
.sl.out{z-index:1;clip-path:inset(0)}
.sl.out img{transform:translateY(-5%) scale(1.06);transition:transform .9s cubic-bezier(.77,0,.18,1)}
.dots{display:flex;gap:8px;margin-top:8px}
.dots button{flex:1;height:24px;display:flex;align-items:center;padding:0;border:0;background:none;cursor:pointer}
.dots i{display:block;position:relative;width:100%;height:4px;border-radius:2px;background:rgba(255,255,255,.28);overflow:hidden}
.dots i:after{content:"";position:absolute;inset:0;background:#fff;transform:scaleX(0);transform-origin:left}
.dots [aria-current="true"] i:after{animation:fill 5s linear forwards}
.panel:hover [aria-current="true"] i:after,.panel:focus-within [aria-current="true"] i:after{animation-play-state:paused}
@keyframes fill{to{transform:scaleX(1)}}
.panel figcaption{margin-top:6px}
@media(max-width:800px){.panel{max-width:460px}}
@media(prefers-reduced-motion:reduce){.sl,.sl img{transition:none!important}.dots [aria-current="true"] i:after{animation:none;transform:scaleX(1)}}

/*gallery-photos*/
.gal{grid-template-columns:1fr 1.7fr 1fr;gap:20px;align-items:end}
.ph{margin:0}.ph img{display:block;width:100%;height:auto;border-radius:24px 24px 24px 4px;background:#fff}
.ph.b img{border-radius:4px 24px 24px 24px}
.ph figcaption{margin-top:10px;font-size:1.05rem;color:var(--mute)}
@media(max-width:800px){.gal{grid-template-columns:1fr 1fr;gap:16px}.ph.b{grid-column:1/-1;order:-1}}

/*yt-thumb-fix*/
.vid{background:#0E2A57!important}.vid img{background:#0E2A57}

/*blog-content*/
.prose h3{font-size:1.25rem;margin-top:1.4em}
.prose ul,.prose ol{padding-left:1.3em;margin:0 0 1em}.prose li{margin:.35em 0}
.prose img,.cover{display:block;max-width:100%;height:auto;border-radius:12px}
.prose img{margin:1.4em 0}.cover{margin:24px 0}
.prose blockquote{margin:1.4em 0}
.prose pre{overflow-x:auto;background:var(--ice);padding:1em;border-radius:8px;font-size:.92rem}
.prose code{background:var(--ice);padding:.1em .35em;border-radius:4px;font-size:.92em}.prose pre code{background:none;padding:0}
.prose .tbl{overflow-x:auto;margin:1.4em 0}.prose table{border-collapse:collapse;width:100%}
.prose th,.prose td{border:1px solid var(--line);padding:.55em .8em;text-align:left}.prose th{background:var(--ice)}
.prose hr{border:0;border-top:1px solid var(--line);margin:2em 0}
.prose iframe{max-width:100%;border:0;border-radius:12px}

/*mobile-v2: giao diện điện thoại (≤800px). Máy tính giữ nguyên.*/
@media(max-width:800px){
/* Video YouTube: 1 cột, rộng full màn hình cho dễ xem */
.media[style*="--c:2"]{grid-template-columns:1fr}
/* Ảnh và video dọc: vuốt ngang từng cái, lộ một phần cái kế tiếp để người xem biết là vuốt được */
.media[style*="--c:3"],.media[style*="--c:6"]{display:flex;align-items:flex-start;gap:12px;overflow-x:auto;overscroll-behavior-x:contain;scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;margin:0 -20px;padding:0 20px 8px;scroll-padding:0 20px;scrollbar-width:none}
.media[style*="--c:3"]::-webkit-scrollbar,.media[style*="--c:6"]::-webkit-scrollbar{display:none}
.media[style*="--c:3"]>.slot{flex:0 0 78%;scroll-snap-align:start}
.media[style*="--c:6"]>.slot{flex:0 0 62%;scroll-snap-align:start}
/* Ảnh hero: canh giữa, rộng hết cỡ cho phép */
.panel{max-width:none;padding:20px;border-radius:28px 28px 28px 4px}
.slides{aspect-ratio:4/5;max-height:70vh;margin:0 auto}
/* Khoảng cách các khối nội dung */
.case{padding:32px 0;gap:20px}
}

/*fab-v2: nút liên hệ nổi (desktop: cột bên phải; điện thoại: thanh tròn nổi giữa màn hình)*/
.fab{position:fixed;z-index:50;right:24px;bottom:104px;display:flex;flex-direction:column;gap:14px}
.fab a{position:relative;display:grid;place-items:center;width:56px;height:56px;border-radius:50%;border:3px solid #fff;color:#fff;text-decoration:none;box-shadow:0 6px 18px rgba(14,42,87,.3);transition:transform .18s ease,box-shadow .18s ease}
.fab a:hover,.fab a:focus-visible{transform:translateY(-3px) scale(1.06);box-shadow:0 10px 24px rgba(14,42,87,.36)}
.fab svg{display:block;width:28px;height:28px;fill:#fff}
.fab .c-zalo svg{width:38px;height:26px}
.fab .c-yt svg .tri{fill:#F00}
.c-tel{background:linear-gradient(150deg,#3FCB55,#1E9E38)}
.c-zalo{background:#0068FF}
.c-msg{background:linear-gradient(150deg,#1AB7FF,#0068FF)}
.c-yt{background:#F00}
.fab .lb{position:absolute;right:calc(100% + 14px);top:50%;transform:translate(8px,-50%);padding:8px 14px;border-radius:999px;background:var(--navy);color:#fff;font:700 1rem/1 var(--sans);white-space:nowrap;box-shadow:0 4px 14px rgba(14,42,87,.25);opacity:0;pointer-events:none;transition:opacity .18s ease,transform .18s ease}
.fab a:hover .lb,.fab a:focus-visible .lb{opacity:1;transform:translate(0,-50%)}
.c-tel:before{content:"";position:absolute;inset:-3px;border-radius:50%;border:3px solid rgba(46,190,72,.6);animation:ring 2.4s ease-out infinite;pointer-events:none}
@keyframes ring{from{transform:scale(1);opacity:.9}to{transform:scale(1.6);opacity:0}}
@media(max-width:800px){
.fab{left:50%;right:auto;bottom:calc(72px + env(safe-area-inset-bottom,0px));transform:translateX(-50%);flex-direction:row;gap:12px;padding:8px 10px;background:#fff;border:1px solid var(--line);border-radius:999px;box-shadow:0 10px 30px rgba(14,42,87,.28)}
.fab a{width:50px;height:50px;border:0;box-shadow:none}
.fab a:hover,.fab a:focus-visible{transform:none;box-shadow:none}
.fab svg{width:26px;height:26px}.fab .c-zalo svg{width:36px;height:24px}
.fab .lb{display:none}
.foot{padding-bottom:calc(156px + env(safe-area-inset-bottom,0px))}
.c-tel:before{animation-name:ringm}
}
@keyframes ringm{from{transform:scale(1);opacity:.9}to{transform:scale(1.22);opacity:0}}
@media(prefers-reduced-motion:reduce){.fab a,.fab .lb{transition:none}.c-tel:before{animation:none;display:none}}