@media(max-width:899px){.header{-webkit-backdrop-filter:none!important;backdrop-filter:none!important}}
*,*::before,*::after{box-sizing:border-box}html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:var(--font);font-size:16px;line-height:1.6;color:var(--ink);background:var(--bg);overflow-x:hidden}
img{max-width:100%;height:auto;display:block}a{color:inherit}button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0 0 .5em;line-height:1.2;font-family:var(--head)}p{margin:0 0 1em}ul,ol{margin:0;padding:0}
svg{width:1em;height:1em;fill:currentColor;flex:0 0 auto}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
.skip{position:absolute;left:-999px;top:8px;z-index:200;background:#000;color:#fff;padding:8px 12px}.skip:focus{left:8px}
.vh{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
:focus-visible{outline:3px solid var(--focus,#2563eb);outline-offset:2px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:10px 20px;border-radius:var(--r-btn,10px);border:2px solid transparent;font-weight:600;text-decoration:none;cursor:pointer;line-height:1.2;text-align:center;transition:transform .15s,background .15s}
.btn:active{transform:translateY(1px)}.btn--sm{min-height:40px;padding:8px 14px;font-size:14px}.btn--block{width:100%}
.burger{display:none;width:44px;height:44px;border:0;background:transparent;cursor:pointer;padding:10px;flex-direction:column;justify-content:center;gap:5px}
.burger span{display:block;height:2px;background:currentColor;border-radius:2px;transition:.2s}
body.menu-open .burger span:nth-child(1){transform:translateY(7px) rotate(45deg)}body.menu-open .burger span:nth-child(2){opacity:0}body.menu-open .burger span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.field{display:flex;flex-direction:column;gap:6px;min-width:0}.field label,.field .lbl{font-weight:600;font-size:14px}
.field input,.field select,.field textarea{width:100%;min-height:46px;padding:10px 12px;border:1.5px solid var(--line-strong,#c8cdd6);border-radius:var(--r-in,8px);background:#fff;color:#16181d}
.field textarea{min-height:90px;resize:vertical}.field [aria-invalid=true]{border-color:#c62828}.err{color:#c62828;font-size:13px;min-height:0}
.form__ok{padding:12px 14px;border-radius:8px;background:#e8f5e9;color:#1b5e20;font-weight:500}.form__privacy{font-size:13px;color:var(--muted);margin:0}
.float{position:fixed;right:14px;bottom:18px;z-index:70;display:flex;flex-direction:column;gap:10px}
.float__btn{width:52px;height:52px;border-radius:50%;display:grid;place-items:center;box-shadow:0 6px 18px rgba(0,0,0,.2);color:#fff}
.float__btn--zalo{background:#0068ff}.float__btn--zalo svg{width:34px;height:34px}.float__btn--call{background:#16a34a}.float__btn--call svg{width:24px;height:24px}
.demo-badge{position:fixed;left:12px;bottom:12px;z-index:60;font-size:12px;background:#111;color:#fff;padding:6px 10px;border-radius:6px;text-decoration:none}
.social{display:flex;gap:8px;margin-top:14px}.social a{width:38px;height:38px;border-radius:50%;display:grid;place-items:center;border:1px solid currentColor;opacity:.85}.social svg{width:18px;height:18px}
details summary{cursor:pointer;list-style:none}details summary::-webkit-details-marker{display:none}
.tbl-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;max-width:100%}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
:root{--ink:#f2f0ea;--bg:#111110;--card:#1a1a18;--line:#2c2c29;--line-strong:#4a4944;--or:#ff6a1a;--or-d:#e85a0c;--muted:#a8a69e;--font:"Be Vietnam Pro",system-ui,sans-serif;--head:"Bricolage Grotesque","Be Vietnam Pro",sans-serif;--r-btn:999px;--r-in:10px;--focus:#ff6a1a}
h1,h2,h3{font-weight:700;letter-spacing:-.025em}a{color:inherit}
.btn--pri{background:var(--or);color:#111}.btn--pri:hover{background:#ff8442}.btn--line{border-color:var(--line-strong);color:var(--ink);background:transparent}.btn--line:hover{border-color:var(--ink)}
.field input,.field select,.field textarea{background:#fff;color:#111;border-color:#fff}.field label,.field .lbl{color:var(--ink)}.form__ok{background:#1f3b26;color:#d1fadf}.err{color:#ff8a80}
.header{position:sticky;top:0;z-index:50;background:rgba(17,17,16,.88);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}.header__inner{display:flex;align-items:center;gap:18px;min-height:68px}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;font-family:var(--head);font-weight:800;font-size:22px;letter-spacing:-.03em}.logo i{width:30px;height:30px;border:3px solid var(--or);border-radius:6px;position:relative;display:block}.logo i::after{content:"";position:absolute;inset:5px;background:var(--or);border-radius:2px}
.nav{margin-left:auto;display:flex;align-items:center;gap:24px}.nav ul{display:flex;gap:22px;list-style:none}.nav a{text-decoration:none;font-size:15px;color:#d8d6cf}.nav ul a:hover{color:var(--or)}
.header__actions{display:flex;gap:8px;align-items:center}.hdr-tel svg{width:16px;height:16px}
.hero{padding:50px 0 0;overflow:hidden}.hero__grid{display:grid;gap:36px;align-items:center}
.hero h1{font-size:clamp(46px,8vw,112px);line-height:.95;font-weight:800;margin-bottom:22px}.hero h1 em{font-style:normal;color:var(--or)}.hero h1 u{text-decoration:none;background:linear-gradient(transparent 62%,rgba(255,106,26,.35) 62%)}
.hero__lead{font-size:18px;color:var(--muted);max-width:540px}.hero__cta{display:flex;flex-wrap:wrap;gap:10px;margin:24px 0}
.stat{display:flex;gap:26px;flex-wrap:wrap;list-style:none}.stat b{display:block;font-family:var(--head);font-size:34px;font-weight:800}.stat span{font-size:13px;color:var(--muted)}
.collage{position:relative;height:520px}.collage img{position:absolute;object-fit:cover;border-radius:8px;box-shadow:0 30px 60px rgba(0,0,0,.5)}
.collage .c1{left:0;top:40px;width:62%;height:78%}.collage .c2{right:0;top:0;width:42%;height:52%;transform:rotate(3deg)}.collage .c3{right:6%;bottom:0;width:38%;height:44%;transform:rotate(-4deg);border:6px solid var(--bg)}
.rec{position:absolute;left:14px;top:54px;background:rgba(17,17,16,.8);border-radius:999px;padding:6px 12px;font-size:13px;display:flex;gap:8px;align-items:center;z-index:2}.rec i{width:9px;height:9px;border-radius:50%;background:#ef4444;animation:bl 1.4s infinite}@keyframes bl{50%{opacity:.2}}
.ticker{margin-top:56px;border-block:1px solid var(--line);overflow:hidden;white-space:nowrap}.ticker__in{display:inline-flex;gap:40px;padding:18px 0;font-family:var(--head);font-size:clamp(22px,3vw,34px);font-weight:700;animation:tk 34s linear infinite}.ticker__in span{color:#5a5953}.ticker__in span:nth-child(odd){color:var(--ink)}@keyframes tk{to{transform:translateX(-50%)}}
.section{padding:84px 0}.section--card{background:var(--card)}.sec-head{display:grid;gap:10px;margin-bottom:34px}.sec-head h2{font-size:clamp(34px,5vw,64px);line-height:1;margin:0;max-width:820px}.sec-head p{color:var(--muted);max-width:560px;margin:0}.lb{font-size:13px;letter-spacing:.16em;text-transform:uppercase;color:var(--or);font-weight:600}
.pk{display:grid;gap:1px;background:var(--line);border:1px solid var(--line);list-style:none}.pk li{background:var(--bg)}.pk a{display:grid;grid-template-columns:auto 1fr auto;gap:18px;align-items:center;padding:22px 18px;text-decoration:none;transition:background .2s}.pk a:hover{background:#1d1d1b}
.pk code{font-family:var(--head);font-weight:800;font-size:15px;color:var(--or);border:1.5px solid var(--or);border-radius:6px;padding:4px 8px}.pk h3{font-size:24px;margin:0 0 4px}.pk p{margin:0;color:var(--muted);font-size:14px}.pk .pr{text-align:right;font-family:var(--head);font-weight:700;font-size:20px;white-space:nowrap}.pk .pr small{display:block;font-family:var(--font);font-size:12px;color:var(--muted);font-weight:400}
.flt{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:22px}.flt button{border:1.5px solid var(--line-strong);background:transparent;color:var(--ink);border-radius:999px;padding:8px 16px;cursor:pointer;font-size:14px;min-height:40px}.flt button[aria-pressed=true]{background:var(--ink);color:#111;border-color:var(--ink)}
.grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.grid figure{margin:0;position:relative;overflow:hidden;border-radius:6px}.grid img{width:100%;aspect-ratio:3/4;object-fit:cover;transition:transform .4s}.grid figure:hover img{transform:scale(1.04)}
.grid figcaption{position:absolute;left:8px;bottom:8px;background:rgba(17,17,16,.82);padding:4px 10px;border-radius:999px;font-size:12px}
.calc{display:grid;gap:22px}.calc__in{display:grid;gap:16px;background:var(--bg);border:1px solid var(--line);border-radius:14px;padding:22px}.calc__out{background:var(--or);color:#111;border-radius:14px;padding:24px;display:flex;flex-direction:column;gap:10px}
.calc__out .tot{font-family:var(--head);font-weight:800;font-size:clamp(40px,6vw,64px);line-height:1}.calc__out dl{display:grid;grid-template-columns:1fr auto;gap:6px 14px;margin:0;font-size:15px}.calc__out dd{margin:0;font-weight:600;text-align:right}.calc__out .btn{background:#111;color:#fff;margin-top:auto}
.rng{display:flex;gap:12px;align-items:center}.rng input{flex:1;accent-color:var(--or)}.rng output{font-family:var(--head);font-weight:800;font-size:24px;min-width:64px;text-align:right}
.adds{display:grid;gap:8px;border:0;padding:0;margin:0}.adds legend{font-weight:600;font-size:14px;margin-bottom:6px}.adds label{display:flex;gap:10px;align-items:center;border:1px solid var(--line-strong);border-radius:10px;padding:10px 12px;cursor:pointer;font-size:14px}.adds input{accent-color:var(--or);width:18px;height:18px}.adds b{margin-left:auto;color:var(--or)}
.steps{display:grid;gap:14px;list-style:none;counter-reset:s}.steps li{border-top:2px solid var(--or);padding-top:16px;counter-increment:s}.steps li::before{content:"0" counter(s);font-family:var(--head);font-weight:800;font-size:44px;color:#3a3935;line-height:1;display:block;margin-bottom:10px}.steps h3{font-size:22px;margin-bottom:6px}.steps p{color:var(--muted);margin:0}
.bts{display:grid;gap:22px;align-items:center;margin-top:46px}.bts img{border-radius:10px;width:100%}
.vids{display:grid;gap:14px}.vd{position:relative;border-radius:12px;overflow:hidden;background:#000;min-height:300px;display:flex;align-items:flex-end}.vd img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.7}.vd div{position:relative;padding:20px}.vd h3{font-size:24px;margin:0 0 4px}.vd p{margin:0;color:#ddd;font-size:14px}
.vd .play{position:absolute;right:16px;top:16px;width:52px;height:52px;border-radius:50%;background:var(--or);color:#111;display:grid;place-items:center}.vd .play svg{width:22px;height:22px}
.book{display:grid;gap:26px}.days{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;border:0;padding:0;margin:0}.days legend,.slots legend{font-weight:600;font-size:14px;margin-bottom:8px}.days label,.slots label{position:relative;cursor:pointer}.days input,.slots input{position:absolute;opacity:0}
.days span{display:block;text-align:center;border:1px solid var(--line-strong);border-radius:10px;padding:8px 4px;font-size:13px;line-height:1.3}.days span b{display:block;font-family:var(--head);font-size:20px}.days input:checked+span,.slots input:checked+span{background:var(--or);color:#111;border-color:var(--or)}.days input:focus-visible+span,.slots input:focus-visible+span{outline:3px solid #fff;outline-offset:2px}
.slots{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;border:0;padding:0;margin:0}.slots span{display:block;text-align:center;border:1px solid var(--line-strong);border-radius:10px;padding:10px 4px;font-size:13px}.slots input:disabled+span{opacity:.35;text-decoration:line-through;cursor:not-allowed}
.form{display:grid;gap:14px;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:22px}.form .row2{display:grid;gap:14px}.chk{display:flex;gap:8px;align-items:flex-start;font-size:14px;color:var(--muted)}.chk input{margin-top:4px;accent-color:var(--or)}
.faq{border-top:1px solid var(--line-strong);max-width:900px}.faq details{border-bottom:1px solid var(--line-strong)}.faq summary{padding:20px 40px 20px 0;font-family:var(--head);font-weight:700;font-size:20px;position:relative}.faq summary::after{content:"+";position:absolute;right:4px;top:14px;font-size:28px;color:var(--or)}.faq details[open] summary::after{content:"−"}.faq details p{color:var(--muted);margin:0 0 20px}
.footer{border-top:1px solid var(--line);padding:56px 0 0;font-size:15px;color:var(--muted)}.footer__big{font-family:var(--head);font-weight:800;font-size:clamp(40px,9vw,140px);line-height:.9;color:var(--ink);letter-spacing:-.04em;margin-bottom:40px}.footer__big em{font-style:normal;color:var(--or)}
.footer__grid{display:grid;gap:28px}.footer__title{font-family:var(--head);font-size:16px;color:var(--ink)}.footer__links{list-style:none;display:grid;gap:8px}.footer__links a{text-decoration:none}.footer__links a:hover{color:var(--or)}
.footer__bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;border-top:1px solid var(--line);margin-top:40px;padding-top:18px;padding-bottom:90px;font-size:13px}.footer__bottom p{margin:0}
/* detail */
.bc{font-size:14px;color:var(--muted);display:flex;gap:6px;flex-wrap:wrap;padding:20px 0}.bc a{color:var(--or)}
.dt{display:grid;gap:30px;padding-bottom:40px}.dt>*{min-width:0}.dt h1{font-size:clamp(40px,6.4vw,84px);line-height:.95;font-weight:800;margin:8px 0 16px}.dt__lead{font-size:18px;color:var(--muted)}
.dt__img{border-radius:10px;overflow:hidden}.dt__img img{width:100%;aspect-ratio:3/4;object-fit:cover}
.kv{list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);border:1px solid var(--line);margin:22px 0}.kv li{background:var(--bg);padding:14px}.kv span{display:block;font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.1em}.kv b{font-family:var(--head);font-size:20px}
.ticks{list-style:none;display:grid;gap:10px}.ticks li{display:flex;gap:10px}.ticks svg{color:var(--or);width:20px;height:20px;margin-top:3px}
.box{border:1px solid var(--line);border-radius:14px;padding:22px;background:var(--card)}.box h2{font-size:26px}
.minis{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:16px}.minis img{border-radius:6px;aspect-ratio:3/4;object-fit:cover;width:100%}
@media(min-width:640px){.grid{grid-template-columns:repeat(3,1fr)}.vids{grid-template-columns:repeat(3,1fr)}.form .row2{grid-template-columns:1fr 1fr}.steps{grid-template-columns:1fr 1fr}.days{grid-template-columns:repeat(7,1fr)}}
@media(min-width:900px){.hero__grid{grid-template-columns:1.1fr 1fr}.calc{grid-template-columns:1.3fr 1fr}.steps{grid-template-columns:repeat(4,1fr);gap:24px}.bts{grid-template-columns:1fr 1fr;gap:48px}.book{grid-template-columns:1fr 1fr;gap:48px;align-items:start}.footer__grid{grid-template-columns:1.4fr 1fr 1fr}
.dt{grid-template-columns:1fr 1fr;gap:56px;align-items:start}.dt__img{position:sticky;top:90px}}
@media(max-width:899px){.burger{display:flex;color:var(--ink)}.nav{position:fixed;inset:0 0 0 auto;width:min(320px,86vw);background:var(--card);flex-direction:column;align-items:stretch;padding:90px 24px 24px;gap:18px;transform:translateX(100%);transition:transform .25s;border-left:1px solid var(--line);z-index:60}
body.menu-open .nav{transform:none}.nav ul{flex-direction:column;gap:4px}.nav ul a{display:block;padding:12px 0;font-size:18px;border-bottom:1px solid var(--line)}.burger{position:relative;z-index:61}.hdr-tel{display:none}.collage{height:440px}}
@media(max-width:480px){.container{padding:0 16px}.collage{height:360px}.pk a{grid-template-columns:1fr auto;gap:10px;padding:18px 14px}.pk code{grid-column:1/-1;justify-self:start}.pk h3{font-size:20px}.days{grid-template-columns:repeat(4,1fr)}.form,.calc__in{padding:18px}}