/* ---- Themes: dark (luxury, default) & light (fresh) ---- */
:root,:root[data-theme=dark]{color-scheme:dark;
--bg:#0A0C10;--bg2:#10131A;--card:#141821;--fg:#F3EEE4;--muted:#A8A196;--line:rgba(243,238,228,.14);
--acc:#C9A46A;--acc-h:#DDB97D;--on-acc:#14110A;--acc-t:#D9B67B;
--deep:#0F1218;--deep-fg:#F3EEE4;--deep-muted:#B2AB9F;--deep-acc:#D9B67B;
--nav-bg:rgba(10,12,16,.88);--field:#0D1016;--shadow:rgba(0,0,0,.6);--glow:rgba(201,164,106,.16);--logo-filter:invert(1) brightness(1.1);--btn-bg:var(--fg);--btn-fg:var(--bg)}
:root[data-theme=light]{color-scheme:light;
--bg:#FFFFFF;--bg2:#EDF8F3;--card:#FFFFFF;--fg:#0C201B;--muted:#4B5F59;--line:rgba(12,32,27,.14);
--acc:#22C892;--acc-h:#3ADBA4;--on-acc:#05221A;--acc-t:#0A7456;
--deep:#0B3B33;--deep-fg:#EAFBF5;--deep-muted:#B5D9CE;--deep-acc:#5FE3B7;
--nav-bg:rgba(255,255,255,.9);--field:#F4FBF8;--shadow:rgba(12,59,51,.25);--glow:rgba(34,200,146,.16);--logo-filter:none;--btn-bg:var(--fg);--btn-fg:#fff}
:root{--r:20px;--serif:'Cormorant Garamond',Georgia,serif;--sans:'Jost',system-ui,sans-serif;--ease:cubic-bezier(.2,.7,.2,1)}
*{box-sizing:border-box;margin:0}
html{scroll-behavior:smooth;scroll-padding-top:90px}
body{font:400 17px/1.65 var(--sans);background:var(--bg);color:var(--fg);transition:background .4s,color .4s;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img,video,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
.wrap{width:min(1180px,100% - 32px);margin-inline:auto}
.skip{position:absolute;left:-999px;background:var(--acc);color:var(--on-acc);padding:10px 16px;z-index:100}.skip:focus{left:8px;top:8px}
:focus-visible{outline:2px solid var(--acc-t);outline-offset:3px}
.sec--dark :focus-visible{outline-color:var(--deep-acc)}
h1,h2,h3{font-family:var(--serif);font-weight:500;line-height:1.08;letter-spacing:-.01em}
h1{font-size:clamp(2.6rem,6.4vw,5.2rem)}
h2{font-size:clamp(2.1rem,4.4vw,3.6rem)}
h3{font-size:1.5rem}
em{font-style:italic;color:var(--acc-t)}
.sec--dark em{color:var(--deep-acc)}
.eyebrow{font-size:.78rem;letter-spacing:.28em;text-transform:uppercase;color:var(--acc-t);font-weight:500;margin-bottom:18px}
.sec--dark .eyebrow{color:var(--deep-acc)}
.lead{font-size:1.15rem;color:var(--muted);max-width:34em}
.sec--dark .lead{color:var(--deep-muted)}

.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 28px;border-radius:999px;font-weight:500;font-size:.95rem;letter-spacing:.04em;border:1px solid transparent;cursor:pointer;transition:transform .3s var(--ease),background .3s,color .3s,border-color .3s;font-family:inherit}
.btn:hover{transform:translateY(-2px)}
.btn--gold{background:var(--acc);color:var(--on-acc)}.btn--gold:hover{background:var(--acc-h)}
.btn--dark{background:var(--btn-bg);color:var(--btn-fg)}.btn--dark:hover{opacity:.88}
.btn--line{border-color:var(--line);color:var(--fg)}.btn--line:hover{background:var(--fg);color:var(--bg)}

.nav{position:fixed;inset:0 0 auto;z-index:50;transition:background .3s,box-shadow .3s}
.nav.is-s{background:var(--nav-bg);backdrop-filter:blur(12px);box-shadow:0 1px 0 var(--line)}
.nav__in{display:flex;align-items:center;justify-content:space-between;height:76px;gap:20px}
.nav__logo img,.foot img{filter:var(--logo-filter);transition:filter .3s}
.nav__logo img{height:60px;width:auto}
.nav__links{display:flex;gap:32px;font-size:.95rem}
.nav__links a{position:relative;padding:6px 0}
.nav__links a::after{content:"";position:absolute;left:0;bottom:0;height:1px;width:100%;background:var(--acc);transform:scaleX(0);transform-origin:left;transition:transform .35s var(--ease)}
.nav__links a:hover::after{transform:scaleX(1)}
.nav__right{display:flex;align-items:center;gap:14px}
.nav__cta{min-height:42px;padding:0 22px}
.lang{background:none;border:0;font:500 .85rem var(--sans);letter-spacing:.1em;cursor:pointer;color:var(--muted);min-height:44px;padding:0 6px}
.theme{width:44px;height:44px;border-radius:50%;border:1px solid var(--line);background:none;color:var(--fg);cursor:pointer;display:grid;place-items:center;transition:background .3s,transform .3s}
.theme:hover{background:var(--bg2);transform:rotate(15deg)}
.theme svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
:root[data-theme=dark] .ico-moon,:root[data-theme=light] .ico-sun{display:none}
.lang i{margin:0 4px;font-style:normal}
html[lang=vi] .lang [data-l=vi],html[lang=en] .lang [data-l=en]{color:var(--fg);font-weight:600}
.burger{display:none;width:44px;height:44px;background:none;border:0;cursor:pointer;position:relative}
.burger span{position:absolute;left:11px;right:11px;height:1.5px;background:var(--fg);transition:transform .3s}
.burger span:first-child{top:18px}.burger span:last-child{top:25px}
.burger[aria-expanded=true] span:first-child{transform:translateY(3.5px) rotate(45deg)}
.burger[aria-expanded=true] span:last-child{transform:translateY(-3.5px) rotate(-45deg)}

.hero{padding:140px 0 70px;position:relative;background:radial-gradient(60% 55% at 78% 40%,var(--glow),transparent 70%)}
.hero__grid{display:grid;grid-template-columns:1.1fr .9fr;gap:60px;align-items:center}
.hero h1{margin-bottom:26px}
.hero__ctas{display:flex;gap:14px;flex-wrap:wrap;margin:34px 0 36px}
.hero__facts{list-style:none;padding:0;display:flex;gap:26px;flex-wrap:wrap;font-size:.9rem;color:var(--muted)}
.hero__facts li::before{content:"✦";color:var(--acc);margin-right:8px;font-size:.7rem}
.hero__media{position:relative}
.arch{aspect-ratio:3/4;border-radius:999px 999px var(--r) var(--r);overflow:hidden;background:var(--bg2);box-shadow:0 40px 80px -30px var(--shadow)}
.arch video{width:100%;height:100%;object-fit:cover}

.strip{overflow:hidden;background:var(--acc);color:var(--on-acc);padding:22px 0;font-family:var(--serif);font-size:1.7rem;letter-spacing:.18em}
.strip__track{display:flex;gap:40px;width:max-content;animation:slide 40s linear infinite}
.strip i{color:var(--on-acc);opacity:.6;font-style:normal;font-size:1rem;align-self:center}
@keyframes slide{to{transform:translateX(-50%)}}

.sec{padding:clamp(70px,10vw,130px) 0}
.sec--dark{background:var(--deep);color:var(--deep-fg)}
.sec--sand{background:var(--bg2)}
.sec__head{margin-bottom:56px}
.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:34px 28px;transition:transform .4s var(--ease),box-shadow .4s}
.card:hover{transform:translateY(-6px);box-shadow:0 24px 50px -24px var(--shadow);border-color:var(--acc)}
.card svg{width:48px;height:48px;fill:none;stroke:var(--acc-t);stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;margin-bottom:26px}
.card h3{margin-bottom:12px}
.card p{color:var(--muted);font-size:.98rem}
.note{margin-top:34px;color:var(--muted);text-align:center;font-size:.95rem}

.steps{list-style:none;display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.steps li{padding:30px 28px 10px 0;border-top:1px solid rgba(255,255,255,.22)}
.steps b{font:500 3.2rem/1 var(--serif);color:var(--deep-acc);display:block;margin-bottom:22px}
.steps h3{margin-bottom:10px}
.steps p{color:var(--deep-muted);font-size:.98rem}

.reel{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;padding-bottom:28px}
.reel figure{position:relative;border-radius:var(--r);overflow:hidden;aspect-ratio:9/16;background:var(--bg2)}
.reel figure:nth-child(even){transform:translateY(28px)}
.reel video{width:100%;height:100%;object-fit:cover}
.reel figcaption{position:absolute;inset:auto 0 0;padding:40px 14px 14px;color:#fff;font-size:.88rem;background:linear-gradient(transparent,rgba(0,0,0,.78))}

.why{display:grid;grid-template-columns:.9fr 1.1fr;gap:60px;align-items:start}
.why__list{list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:34px 36px}
.why__list li{border-top:1px solid var(--line);padding-top:20px}
.why__list h3{margin-bottom:8px;font-size:1.4rem}
.why__list p{color:var(--muted);font-size:.98rem}
.why .sec__head{margin:0}

.faq{display:grid;grid-template-columns:.8fr 1.2fr;gap:60px}
.faq .sec__head{margin:0}
details{border-bottom:1px solid var(--line)}
summary{cursor:pointer;list-style:none;padding:22px 40px 22px 0;font:500 1.35rem/1.3 var(--serif);position:relative;min-height:44px}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";position:absolute;right:4px;top:18px;font:300 1.8rem var(--sans);color:var(--acc-t);transition:transform .3s}
details[open] summary::after{transform:rotate(45deg)}
details p{padding:0 40px 24px 0;color:var(--muted)}

.book__grid{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:start}
.book h2{margin-bottom:22px}
.contact{list-style:none;margin-top:34px;display:grid;gap:14px;padding:0}
.contact li{display:flex;gap:16px;align-items:baseline;border-top:1px solid rgba(255,255,255,.2);padding-top:14px}
.contact span{width:90px;flex:none;font-size:.78rem;letter-spacing:.2em;text-transform:uppercase;color:var(--deep-acc)}
.contact a,.contact b{font-weight:500;font-size:1.1rem}
.form{background:var(--bg);color:var(--fg);border:1px solid var(--line);border-radius:var(--r);padding:36px;display:grid;gap:20px}
.form label>span,.form legend{display:block;font-size:.8rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-bottom:8px}
.form input:not([type=checkbox]),.form textarea{width:100%;font:inherit;font-size:1rem;padding:13px 16px;border:1px solid var(--line);border-radius:12px;background:var(--field);color:var(--fg)}
.form input:focus,.form textarea:focus{outline:2px solid var(--acc-t);border-color:transparent}
fieldset{border:0;padding:0}
.chips{display:flex;flex-wrap:wrap;gap:10px}
.chips label{position:relative}
.chips input{position:absolute;opacity:0;inset:0;cursor:pointer;width:100%;height:100%}
.chips span{display:inline-flex;align-items:center;min-height:44px;padding:0 20px;border:1px solid var(--line);border-radius:999px;font-size:.95rem;letter-spacing:0;text-transform:none;color:var(--fg);margin:0;transition:all .25s}
.chips input:checked+span{background:var(--acc);color:var(--on-acc);border-color:var(--acc)}
.chips input:focus-visible+span{outline:2px solid var(--acc-t);outline-offset:2px}
.err{color:#ff6b5e;font-size:.92rem}
.ok{color:var(--acc-t);font-size:.92rem}

.foot{background:var(--bg);padding:50px 0 110px;border-top:1px solid var(--line)}
.foot__in{display:flex;align-items:center;gap:28px;flex-wrap:wrap;justify-content:space-between}
.foot img{height:80px;width:auto}
.foot p{font:italic 1.3rem var(--serif);color:var(--muted)}
.foot small{color:var(--muted)}

.dock{position:fixed;right:16px;bottom:16px;z-index:40;display:flex;flex-direction:column;gap:10px}
.dock__a{width:52px;height:52px;border-radius:50%;background:var(--btn-bg);color:var(--btn-fg);display:grid;place-items:center;box-shadow:0 10px 24px var(--shadow);font:600 .8rem var(--sans);transition:transform .3s var(--ease)}
.dock__a:hover{transform:scale(1.08)}
.dock__a--z{background:#0068ff;color:#fff}
.dock svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linejoin:round}

.reveal{opacity:0;transform:translateY(26px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.reveal.in{opacity:1;transform:none}
.reel figure.reveal.in:nth-child(even){transform:translateY(28px)}

@media(max-width:1020px){
 .cards,.steps{grid-template-columns:1fr 1fr}
 .reel{grid-template-columns:repeat(3,1fr)}
 .hero__grid,.why,.faq,.book__grid{grid-template-columns:1fr;gap:44px}
 .hero__media{max-width:440px}
 .steps li{padding-right:20px;padding-bottom:20px}
}
@media(max-width:820px){
 .burger{display:block}
 .nav__cta{display:none}
 .nav__links{position:fixed;inset:76px 0 auto;background:var(--bg);flex-direction:column;gap:0;padding:8px 16px 24px;box-shadow:0 20px 30px var(--shadow);transform:translateY(-130%);transition:transform .4s var(--ease);visibility:hidden}
 .nav__links.open{transform:none;visibility:visible}
 .nav__links a{padding:16px 0;border-bottom:1px solid var(--line);font-size:1.1rem}
 .hero{padding-top:110px}
}
@media(max-width:560px){
 body{font-size:16px}
 .cards,.steps,.why__list{grid-template-columns:1fr}
 .reel{grid-template-columns:repeat(2,1fr)}
 .reel figure:nth-child(even),.reel figure.reveal.in:nth-child(even){transform:none}
 .form{padding:24px}
 .contact li{flex-direction:column;gap:4px}
}
@media(prefers-reduced-motion:reduce){
 html{scroll-behavior:auto}
 *,*::before,*::after{animation:none!important;transition:none!important}
 .reveal{opacity:1;transform:none}
}

/* hero: animate on load, no scroll observer needed */
@keyframes up{from{opacity:0;transform:translateY(26px)}to{opacity:1;transform:none}}
.hero .reveal{opacity:1;transform:none;animation:up 1s var(--ease) both}
.hero .hero__copy .reveal:nth-child(2){animation-delay:.08s}
.hero .hero__copy .reveal:nth-child(3){animation-delay:.16s}
.hero .hero__copy .reveal:nth-child(4){animation-delay:.24s}
.hero .hero__copy .reveal:nth-child(5){animation-delay:.32s}
.hero .hero__media.reveal{animation-delay:.2s}

/* hero fx: color grade, shine sweep, bubbles canvas */
.arch{position:relative}
.arch video{filter:saturate(1.18) contrast(1.06) brightness(1.03)}
.arch::after{content:"";position:absolute;inset:0;pointer-events:none;background:linear-gradient(115deg,transparent 35%,rgba(255,255,255,.28) 50%,transparent 65%);transform:translateX(-120%);animation:shine 6s ease-in-out 1.5s infinite}
@keyframes shine{0%,55%{transform:translateX(-120%)}100%{transform:translateX(120%)}}

/* ===== hero micro-interactions ===== */
.hero{perspective:1400px;overflow:clip;isolation:isolate}
.hero__grid{position:relative;z-index:2}
.hero__glow{position:absolute;inset:0;z-index:0;pointer-events:none;background:radial-gradient(520px circle at var(--gx,70%) var(--gy,40%),var(--glow),transparent 70%);transition:opacity .4s}
.hero__float{position:absolute;inset:0;z-index:1;pointer-events:none;transform-style:preserve-3d}
.fcard{position:absolute;left:var(--x);top:var(--y);width:var(--w);aspect-ratio:4/5;margin:0;border-radius:16px;overflow:hidden;pointer-events:auto;cursor:pointer;
 background:var(--bg2);box-shadow:0 30px 60px -20px var(--shadow);outline:1px solid var(--line);outline-offset:0;will-change:transform,opacity;
 filter:blur(calc((1 - var(--d)) * 2.2px));transition:outline-color .35s,filter .35s,box-shadow .35s}
.fcard img{width:100%;height:100%;object-fit:cover;transition:transform .8s var(--ease)}
.fcard figcaption{position:absolute;inset:auto 0 0;padding:26px 12px 11px;font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:#fff;background:linear-gradient(transparent,rgba(0,0,0,.8));transform:translateY(100%);transition:transform .45s var(--ease)}
.fcard:hover{filter:none;outline:2px solid var(--acc);box-shadow:0 40px 80px -20px var(--shadow),0 0 0 6px var(--glow)}
.fcard:hover img{transform:scale(1.12)}
.fcard:hover figcaption{transform:none}

/* headline: word-by-word mask reveal */
.hero h1 .w{display:inline-block;overflow:hidden;vertical-align:top;padding:0 .04em .12em;margin:0 -.04em -.12em}
.hero h1 .wi{display:inline-block;transform:translateY(112%) rotate(4deg);animation:wordUp 1s var(--ease) forwards;animation-delay:calc(var(--i) * 75ms + 250ms)}
@keyframes wordUp{to{transform:none}}

/* arch: 3D tilt + glare */
.hero__media{perspective:1100px}
.arch{transform-style:preserve-3d;will-change:transform;transition:box-shadow .4s}
.arch::before{content:"";position:absolute;inset:0;z-index:2;pointer-events:none;border-radius:inherit;background:radial-gradient(circle at var(--glx,50%) var(--gly,25%),rgba(255,255,255,.22),transparent 45%);mix-blend-mode:soft-light}

/* rotating badge */
.badge{position:absolute;left:-44px;bottom:64px;width:112px;height:112px;border-radius:50%;background:var(--bg);box-shadow:0 14px 34px var(--shadow);border:1px solid var(--line);display:grid;place-items:center;z-index:3}
.badge svg{position:absolute;inset:4px;width:calc(100% - 8px);height:calc(100% - 8px);animation:spin 22s linear infinite}
.badge text{font:500 9.4px var(--sans);letter-spacing:.18em;fill:var(--acc-t)}
.badge span{color:var(--acc);font-size:1.15rem;animation:pulse 3s ease-in-out infinite}
@keyframes spin{to{transform:rotate(360deg)}}
@keyframes pulse{50%{transform:scale(1.25);opacity:.7}}

/* scroll cue */
.cue{position:absolute;left:50%;bottom:18px;z-index:3;transform:translateX(-50%);display:flex;flex-direction:column;align-items:center;gap:8px;font-size:.68rem;letter-spacing:.3em;text-transform:uppercase;color:var(--muted)}
.cue i{width:1px;height:38px;background:linear-gradient(var(--acc),transparent);transform-origin:top;animation:cue 2.2s var(--ease) infinite}
@keyframes cue{0%{transform:scaleY(0)}50%{transform:scaleY(1)}100%{transform:scaleY(1);opacity:0}}

/* magnetic buttons + cursor ring */
.btn{transition:transform .35s var(--ease),background .3s,color .3s,border-color .3s}
.btn.is-mag{transition:transform .12s linear,background .3s,color .3s}
.ring{position:fixed;left:0;top:0;z-index:90;width:34px;height:34px;margin:-17px 0 0 -17px;border:1px solid var(--acc);border-radius:50%;pointer-events:none;opacity:0;transition:opacity .3s,width .3s,height .3s,margin .3s,background .3s}
.ring.on{opacity:.9}
.ring.big{width:64px;height:64px;margin:-32px 0 0 -32px;background:var(--glow)}
@media(hover:none),(pointer:coarse){.ring{display:none}}

@media(max-width:1020px){.fcard{display:none}.badge{left:-10px;bottom:30px;width:92px;height:92px}.cue{display:none}}
@media(prefers-reduced-motion:reduce){.hero h1 .wi{transform:none;animation:none}.badge svg,.badge span,.cue i{animation:none}}

/* =============== scroll-world =============== */
.sprog{position:fixed;inset:0 0 auto;height:3px;z-index:60;pointer-events:none}
.sprog i{display:block;height:100%;background:linear-gradient(90deg,var(--acc),var(--acc-h));transform:scaleX(0);transform-origin:left}
.dots{position:fixed;right:18px;top:50%;transform:translateY(-50%);z-index:45;display:flex;flex-direction:column;gap:6px}
.dots a{position:relative;width:26px;height:26px;display:grid;place-items:center}
.dots a::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--muted);opacity:.5;transition:transform .35s var(--ease),background .3s,opacity .3s}
.dots a.on::before{background:var(--acc);opacity:1;transform:scale(1.8)}
.dots a::after{content:attr(data-t);position:absolute;right:30px;white-space:nowrap;font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--fg);background:var(--bg);border:1px solid var(--line);padding:5px 10px;border-radius:999px;opacity:0;transform:translateX(8px);pointer-events:none;transition:opacity .3s,transform .3s}
.dots a:hover::after,.dots a:focus-visible::after{opacity:1;transform:none}
@media(max-width:1100px){.dots{display:none}}

.sec__head h2 .w{display:inline-block;overflow:hidden;vertical-align:top;padding:0 .04em .12em;margin:0 -.04em -.12em}
.sec__head h2 .wi{display:inline-block;transform:translateY(112%) rotate(3deg);transition:transform 1.05s var(--ease);transition-delay:calc(var(--i) * 70ms)}
.sec__head.in h2 .wi,.pin.is-in .sec__head h2 .wi{transform:none}

.cards{perspective:1200px}
.cards .card.reveal{transform:translateY(46px) rotateX(14deg) scale(.96);transform-origin:50% 100%}
.cards .card.reveal.in{transform:none}
.strip__track{animation:none;will-change:transform}

.pin{background:var(--deep);color:var(--deep-fg)}
.pin__track{height:440svh;position:relative}
.pin__stage{position:sticky;top:0;height:100svh;display:flex;align-items:center;overflow:hidden}
.process{display:grid;grid-template-columns:1.05fr .95fr;gap:60px;align-items:center;width:min(1180px,100% - 32px)}
.process .sec__head{margin-bottom:34px}
.process h2{font-size:clamp(2rem,3.8vw,3.2rem)}
.psteps{list-style:none;padding:0;display:grid;gap:0}
.psteps li{display:grid;grid-template-columns:54px 1fr;gap:12px;padding:16px 0;border-top:1px solid rgba(255,255,255,.16);opacity:.38;transition:opacity .5s var(--ease)}
.psteps li b{font:500 1.9rem/1 var(--serif);color:var(--deep-acc);transition:transform .5s var(--ease)}
.psteps h3{font-size:1.35rem}
.psteps p{color:var(--deep-muted);font-size:.97rem;max-height:0;overflow:hidden;opacity:0;transition:max-height .6s var(--ease),opacity .5s var(--ease),margin .5s}
.psteps li.is-on{opacity:1}
.psteps li.is-on b{transform:translateX(6px)}
.psteps li.is-on p{max-height:120px;opacity:1;margin-top:6px}
.pbar{margin-top:22px;height:2px;background:rgba(255,255,255,.16);border-radius:2px;overflow:hidden}
.pbar i{display:block;height:100%;background:var(--deep-acc);transform:scaleX(0);transform-origin:left}
.phone{position:relative;justify-self:center;width:min(360px,38vw,calc(74svh * .5625))}
.phone__frame{position:relative;aspect-ratio:9/16;border-radius:34px;overflow:hidden;background:#000;box-shadow:0 50px 100px -30px rgba(0,0,0,.7);outline:1px solid rgba(255,255,255,.18);outline-offset:8px;will-change:transform}
.phone__frame video{width:100%;height:100%;object-fit:cover}
.phone__hud{position:absolute;left:16px;top:14px;display:flex;align-items:baseline;gap:6px;color:#fff;text-shadow:0 2px 10px rgba(0,0,0,.6)}
.phone__hud span{font:500 2.2rem/1 var(--serif)}
.phone__hud small{opacity:.8;letter-spacing:.1em}
.phone__ring{position:absolute;inset:-26px;border:1px dashed rgba(255,255,255,.22);border-radius:48px;pointer-events:none;transform:rotate(var(--rot,0deg))}
@media(max-width:820px){
 .process{grid-template-columns:1fr;gap:16px;align-content:center}
 .process .sec__head h2{display:none}
 .process .sec__head{margin-bottom:6px}
 .phone{order:-1;width:min(52vw,calc(40svh * .5625))}
 .psteps li{padding:10px 0;grid-template-columns:40px 1fr}
 .psteps li b{font-size:1.4rem}
 .psteps li:not(.is-on) h3{font-size:1.05rem}
}

.hs{padding:0;background:var(--bg)}
.hs__track{position:relative}
.hs__stage{position:sticky;top:0;height:100svh;display:flex;flex-direction:column;justify-content:center;gap:26px;overflow:hidden}
.hs .sec__head{margin:0}
.hs h2{font-size:clamp(1.9rem,3.6vw,3rem)}
.hs .reel{display:flex;gap:18px;padding:0 max(16px,calc((100vw - 1180px)/2)) 40px;width:max-content;will-change:transform}
.hs .reel figure{flex:none;height:min(54svh,480px);aspect-ratio:9/16;border-radius:22px;transform:none!important;opacity:1}
.hs .reel figure:nth-child(even){margin-top:34px}
.reel figcaption{display:flex;gap:10px;align-items:flex-end;font-size:.9rem}
.reel figcaption b{font:500 1.5rem/1 var(--serif);color:var(--acc)}
.hs__bar{width:min(1180px,100% - 32px);margin:0 auto;height:2px;background:var(--line);border-radius:2px;overflow:hidden}
.hs__bar i{display:block;height:100%;background:var(--acc);transform:scaleX(0);transform-origin:left}
@media(max-width:820px){.hs .reel figure{height:min(50svh,420px)}.hs .reel figure:nth-child(even){margin-top:20px}}

.why__list li{will-change:transform}
.book{position:relative;overflow:hidden}
.mega{position:absolute;left:0;right:0;bottom:-.12em;font:600 clamp(6rem,17vw,16rem)/1 var(--serif);letter-spacing:.02em;white-space:nowrap;color:transparent;-webkit-text-stroke:1px rgba(255,255,255,.14);pointer-events:none;user-select:none}
.mega span{display:inline-block;will-change:transform}
.book__grid{position:relative;z-index:1}

.no-pin .pin__track{height:auto}
.no-pin .pin__stage{position:relative;height:auto;padding:90px 0}
.no-pin .hs__stage{position:relative;height:auto;padding:80px 0}
.no-pin .hs .reel{width:auto;overflow-x:auto;scroll-snap-type:x mandatory}
.no-pin .hs .reel figure{scroll-snap-align:start}
@media(prefers-reduced-motion:reduce){.sec__head h2 .wi{transform:none;transition:none}.cards .card.reveal{transform:none}}
.no-pin .psteps li{opacity:1}
.no-pin .psteps p{max-height:none;opacity:1;margin-top:6px}
.hs__stage{padding-top:84px;box-sizing:border-box}

/* =============== journey: house -> living room camera =============== */
.jr{background:#07080b;color:#F3EEE4;--jr-acc:#D9B67B}
.jr__track{height:760svh;position:relative}
.jr__stage{position:sticky;top:0;height:100svh;overflow:hidden;isolation:isolate;background:#07080b}
.jr__house,.jr__room{position:absolute;inset:0}
.jr__bg{position:absolute;inset:-6%;width:112%;height:112%;object-fit:cover;filter:blur(30px) brightness(.42) saturate(1.25)}
.jr__house .jr__img,.jr__room img{position:absolute;left:0;top:0;max-width:none;transform-origin:0 0;will-change:transform;user-select:none}
.jr__room{pointer-events:none;will-change:clip-path,opacity}
.jr__shade{position:absolute;inset:0;z-index:2;pointer-events:none;background:radial-gradient(120% 90% at 50% 50%,transparent 52%,rgba(0,0,0,.6)),linear-gradient(180deg,rgba(0,0,0,.4),transparent 24%,transparent 68%,rgba(0,0,0,.55))}

.jr__intro{position:absolute;z-index:3;left:max(24px,6vw);bottom:11vh;max-width:min(760px,88vw);will-change:transform,opacity}
.jr__intro .eyebrow{color:var(--jr-acc)}
.jr__intro h2{font-size:clamp(2.4rem,6.2vw,5.4rem);color:#fff;text-shadow:0 4px 40px rgba(0,0,0,.5)}
.jr__intro em{color:var(--jr-acc)}
.jr__cue{margin-top:28px;display:flex;align-items:center;gap:14px;font-size:.74rem;letter-spacing:.3em;text-transform:uppercase;color:rgba(255,255,255,.8)}
.jr__cue i{width:44px;height:1px;background:var(--jr-acc);transform-origin:left;animation:cueh 2.2s var(--ease) infinite}
@keyframes cueh{0%{transform:scaleX(0)}60%{transform:scaleX(1)}100%{transform:scaleX(1);opacity:0}}

.jr__panels{position:absolute;inset:0;z-index:4;pointer-events:none}
.jr__panel{position:absolute;top:50%;width:min(500px,42vw);opacity:0;transform:translateY(-50%);will-change:transform,opacity;
 background:rgba(9,10,14,.62);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);border:1px solid rgba(255,255,255,.16);border-radius:26px;padding:28px 30px 26px;box-shadow:0 40px 90px -30px rgba(0,0,0,.8)}
.jr__panel--r{right:max(24px,5vw)}
.jr__panel--l{left:max(24px,5vw)}
.jr__panel.is-on{pointer-events:auto}
.jr__tag{display:flex;align-items:baseline;gap:12px;font-size:.74rem;letter-spacing:.26em;text-transform:uppercase;color:var(--jr-acc);margin-bottom:12px}
.jr__tag b{font:500 1.5rem/1 var(--serif);letter-spacing:0}
.jr__panel h3{font-size:clamp(1.55rem,2.4vw,2.1rem);color:#fff;margin-bottom:18px}
.jr__blk{margin-top:16px;opacity:0;transform:translateY(18px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.jr__blk.on{opacity:1;transform:none}
.jr__blk h4{font:500 .7rem var(--sans);letter-spacing:.24em;text-transform:uppercase;color:var(--jr-acc);margin-bottom:8px}
.jr__blk ul{list-style:none;padding:0;display:grid;gap:6px}
.jr__blk li{font-size:.95rem;line-height:1.5;color:rgba(243,238,228,.86)}
.jr__blk ul li{position:relative;padding-left:20px}
.jr__blk ul li::before{content:"✦";position:absolute;left:0;top:.05em;font-size:.7rem;color:var(--jr-acc)}
.jr__blk ol{list-style:none;padding:0;display:flex;flex-wrap:wrap;gap:8px;counter-reset:s}
.jr__blk ol li{counter-increment:s;display:inline-flex;align-items:center;gap:8px;padding:7px 14px 7px 8px;border:1px solid rgba(255,255,255,.2);border-radius:999px;font-size:.84rem}
.jr__blk ol li::before{content:counter(s);display:grid;place-items:center;width:22px;height:22px;border-radius:50%;background:var(--jr-acc);color:#14110A;font-weight:600;font-size:.75rem}
.jr__money{display:flex;align-items:baseline;gap:8px;flex-wrap:wrap;color:#fff}
.jr__money b{font:500 clamp(1.8rem,3vw,2.5rem)/1 var(--serif);color:var(--jr-acc)}
.jr__money i{font-style:normal;opacity:.6}
.jr__money span{font-size:.85rem;letter-spacing:.14em;opacity:.8}
.jr__money--txt{font:500 1.5rem/1.2 var(--serif);color:var(--jr-acc)}
.jr__price small{display:block;margin-top:6px;font-size:.82rem;color:rgba(243,238,228,.6)}
.jr__cta{margin-top:22px;min-height:46px;padding:0 24px}

.jr__hud{position:absolute;z-index:5;left:50%;bottom:22px;transform:translate(-50%,16px);display:flex;gap:8px;opacity:0;pointer-events:none;transition:opacity .5s,transform .5s var(--ease)}
.jr__hud.show{opacity:1;transform:translate(-50%,0);pointer-events:auto}
.jr__hud button{position:relative;overflow:hidden;min-height:40px;padding:0 18px;border:1px solid rgba(255,255,255,.22);border-radius:999px;background:rgba(9,10,14,.55);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);color:rgba(255,255,255,.7);font:500 .82rem var(--sans);letter-spacing:.08em;cursor:pointer;transition:color .3s,border-color .3s}
.jr__hud button i{position:absolute;inset:0;background:var(--jr-acc);opacity:.28;transform:scaleX(0);transform-origin:left}
.jr__hud button span{position:relative}
.jr__hud button.on{color:#fff;border-color:var(--jr-acc)}

@media(max-width:820px){
 .jr__track{height:680svh}
 .jr__panel{left:12px!important;right:12px!important;top:auto;bottom:68px;width:auto;padding:18px 18px 16px;border-radius:20px;max-height:68svh;overflow:hidden}
 .jr__panel h3{font-size:1.3rem;margin-bottom:6px}
 .jr__tag{margin-bottom:6px}
 .jr__blk{margin-top:10px}
 .jr__blk li{font-size:.86rem;line-height:1.4}
 .jr__blk ul li:nth-child(3){display:none}
 .jr__blk ol li{font-size:.76rem;padding:5px 10px 5px 6px}
 .jr__cta{margin-top:12px;min-height:42px}
 .jr__intro{bottom:14vh}
 .jr__hud{bottom:14px}
}

.no-pin .jr__track{height:auto}
.no-pin .jr__stage{position:relative;height:auto;padding:90px 16px 60px;display:grid;gap:18px;justify-items:center}
.no-pin .jr__house,.no-pin .jr__intro{display:none}
.no-pin .jr__room{clip-path:none!important;opacity:.35!important}
.no-pin .jr__panels{position:relative;inset:auto;display:grid;gap:18px;justify-items:center;z-index:4}
.no-pin .jr__panel{position:relative;inset:auto!important;transform:none!important;opacity:1!important;width:min(560px,100%);pointer-events:auto}
.no-pin .jr__blk{opacity:1;transform:none}
.no-pin .jr__hud{display:none}
@media(max-width:820px){
 .jr__hud{left:12px;transform:translateY(16px);max-width:calc(100% - 84px);gap:6px}
 .jr__hud.show{transform:none}
 .jr__hud button{padding:0 12px;white-space:nowrap;font-size:.76rem}
}
.jr__combo{margin-top:10px;color:#fff;font-size:.95rem}
.jr__combo strong{display:inline-block;padding:2px 10px;margin-right:6px;border-radius:999px;background:var(--jr-acc);color:#14110A;font-weight:600;letter-spacing:.1em;font-size:.78rem}
.jr__price small.jr__contact{color:var(--jr-acc);font-size:.85rem}
@media(max-width:820px){.jr__price small{margin-top:3px;font-size:.78rem}.jr__combo{margin-top:6px;font-size:.85rem}.jr__money b{font-size:1.7rem}}
@media(min-width:821px){.jr__panel{max-height:calc(100svh - 140px);overflow:auto;scrollbar-width:none}.jr__panel::-webkit-scrollbar{display:none}}
.jr__tier{font-size:.92rem;color:rgba(243,238,228,.8);margin-bottom:6px}
.jr__combo--cta{margin-top:14px;font-size:1rem;line-height:1.7}
.jr__combo--cta strong{margin:0 4px;padding:3px 14px;font-size:1.05rem;letter-spacing:.04em;background:linear-gradient(135deg,#E8C98F,#C9A46A);box-shadow:0 0 0 4px rgba(217,182,123,.18),0 8px 22px -8px rgba(217,182,123,.7);text-transform:none}
.jr__combo--cta span:last-child{white-space:nowrap}

/* =============== contact emphasis =============== */
.callout{margin:26px 0 8px}
.callout__tag{display:block;font-size:.74rem;letter-spacing:.26em;text-transform:uppercase;color:var(--deep-acc);margin-bottom:6px}
.callout__num{display:inline-block;font:500 clamp(2.7rem,6.2vw,4.8rem)/1.05 var(--serif);letter-spacing:.01em;color:transparent;
 background:linear-gradient(100deg,#fff 32%,var(--deep-acc) 50%,#fff 68%) 0 0/260% 100%;-webkit-background-clip:text;background-clip:text;animation:shimmer 4.8s linear infinite;transition:transform .4s var(--ease)}
.callout__num:hover{transform:scale(1.03)}
@keyframes shimmer{to{background-position:-260% 0}}
.callout__btns{display:flex;gap:12px;flex-wrap:wrap;margin-top:18px}
.btn--zalo{position:relative;background:#0068ff;color:#fff;min-height:54px;padding:0 34px;font-size:1.02rem}
.btn--zalo:hover{background:#1a7aff}
.btn--zalo::after{content:"";position:absolute;inset:0;border-radius:inherit;box-shadow:0 0 0 0 rgba(0,104,255,.55);animation:ring 2.2s ease-out infinite;pointer-events:none}
@keyframes ring{0%{box-shadow:0 0 0 0 rgba(0,104,255,.55)}80%,100%{box-shadow:0 0 0 18px rgba(0,104,255,0)}}
.callout .btn--line{min-height:54px;color:#fff;border-color:rgba(255,255,255,.35)}
.callout .btn--line:hover{background:#fff;color:#0B3B33}

/* =============== floating contact pop-up =============== */
.pop{position:fixed;left:18px;bottom:18px;z-index:56;display:flex;align-items:stretch;background:var(--bg);color:var(--fg);border:1px solid var(--line);border-radius:22px;box-shadow:0 24px 60px -16px var(--shadow),0 0 0 4px var(--glow);
 opacity:0;transform:translateY(34px) scale(.88);pointer-events:none;transition:opacity .45s var(--ease),transform .6s cubic-bezier(.34,1.56,.64,1)}
.pop.on{opacity:1;transform:none;pointer-events:auto}
.pop__main{display:flex;align-items:center;gap:14px;padding:12px 8px 12px 14px;min-height:64px}
.pop__ico{position:relative;flex:none;display:grid;place-items:center;width:46px;height:46px;border-radius:50%;background:#0068ff;color:#fff;font:700 1.25rem var(--sans);animation:wiggle 7s ease-in-out infinite}
.pop__ico::after{content:"";position:absolute;inset:0;border-radius:50%;box-shadow:0 0 0 0 rgba(0,104,255,.5);animation:ring 2.2s ease-out infinite}
@keyframes wiggle{0%,86%,100%{transform:rotate(0)}89%{transform:rotate(-14deg)}92%{transform:rotate(12deg)}95%{transform:rotate(-8deg)}98%{transform:rotate(4deg)}}
.pop__txt{display:grid;line-height:1.25}
.pop__txt small{font-size:.74rem;color:var(--muted)}
.pop__txt b{font:600 1.5rem/1.15 var(--serif);letter-spacing:.02em;color:var(--fg)}
.pop__txt em{font-style:normal;font-size:.76rem;color:var(--acc-t)}
.pop__main:hover .pop__txt em{text-decoration:underline}
.pop__call{display:grid;place-items:center;width:46px;margin:10px 0;border-left:1px solid var(--line);color:var(--fg)}
.pop__call svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linejoin:round}
.pop__call:hover{color:var(--acc-t)}
.pop__x{position:absolute;top:-10px;right:-10px;width:26px;height:26px;border-radius:50%;border:1px solid var(--line);background:var(--bg);color:var(--muted);font-size:1rem;line-height:1;cursor:pointer;display:grid;place-items:center}
.pop__x:hover{color:var(--fg)}
@media(max-width:820px){
 .pop{left:12px;right:84px;bottom:12px;border-radius:18px}
 .pop__main{flex:1;min-width:0;padding:10px 6px 10px 12px;gap:10px}
 .pop__ico{width:40px;height:40px}
 .pop__txt b{font-size:1.3rem}
 .pop__txt em{display:none}
}
@media(prefers-reduced-motion:reduce){.callout__num,.btn--zalo::after,.pop__ico,.pop__ico::after{animation:none}.callout__num{color:#fff;background:none}}

/* numerals: lining (even height) instead of old-style */
body,.pop__txt b,.callout__num,.jr__money b,.phone__hud span,.psteps li b,.steps b,.jr__tag b,.reel figcaption b,.nav,.contact{font-variant-numeric:lining-nums;font-feature-settings:"lnum" 1,"tnum" 0}
/* Zalo logo */
.zico{display:block;width:100%;height:100%}
.pop__ico{background:none!important;border-radius:12px!important;color:inherit}
.pop__ico::after{border-radius:12px!important}
.dock__a--z{background:none!important;padding:0;overflow:hidden;border-radius:14px;box-shadow:0 10px 24px rgba(0,104,255,.45)}
.btn--zalo .zico{flex:none;width:26px;height:26px;margin-right:10px}
.dock__a--z .zico{width:52px;height:52px}
.dock .zico{max-width:none}
.dock svg.zico{fill:initial;stroke:none}


/* =============== đèn soi vi khuẩn =============== */
.jr__dirt{position:absolute;left:0;top:0;max-width:none;transform-origin:0 0;pointer-events:none;opacity:var(--dirt,0);transition:opacity .6s;will-change:transform,-webkit-mask-image;
 -webkit-mask-image:radial-gradient(circle var(--r,0px) at var(--mx,-999px) var(--my,-999px),#000 0,#000 52%,rgba(0,0,0,.65) 72%,rgba(0,0,0,.2) 90%,transparent 100%);
 mask-image:radial-gradient(circle var(--r,0px) at var(--mx,-999px) var(--my,-999px),#000 0,#000 52%,rgba(0,0,0,.65) 72%,rgba(0,0,0,.2) 90%,transparent 100%)}
.jr__lens{position:absolute;left:0;top:0;z-index:3;border-radius:50%;pointer-events:none;opacity:0;will-change:transform;
 box-shadow:inset 0 0 0 1.5px rgba(184,255,58,.55),inset 0 0 40px rgba(184,255,58,.18),0 0 50px rgba(184,255,58,.2)}
.jr__lens::before{content:"";position:absolute;inset:-9px;border-radius:50%;border:1px dashed rgba(255,255,255,.38);animation:spin 18s linear infinite}
.jr__lens canvas{position:absolute;inset:0;width:100%;height:100%;border-radius:50%}
.jr__hint{position:absolute;z-index:5;left:50%;bottom:78px;transform:translate(-50%,12px);margin:0;padding:9px 18px;border-radius:999px;font-size:.84rem;letter-spacing:.04em;color:#fff;background:rgba(9,10,14,.62);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border:1px solid rgba(184,255,58,.45);opacity:0;pointer-events:none;transition:opacity .5s,transform .5s var(--ease);white-space:nowrap}
.jr__hint.show{opacity:1;transform:translate(-50%,0)}
.jr__hint--touch{display:none}
@media(hover:none){.jr__hint--mouse{display:none}.jr__hint--touch{display:inline}}
@media(max-width:820px){.jr__hint{top:84px;bottom:auto;font-size:.76rem;max-width:calc(100% - 24px);white-space:normal;text-align:center}}
.no-pin .jr__dirt,.no-pin .jr__lens,.no-pin .jr__hint{display:none}