:root{--ink:#0A1A32;--ink2:#10284A;--ivory:#F3F8FA;--sand:#E2EDF3;--rose:#89BFD2;--muted:#7C8CA3;--line:rgba(243,248,250,.16);--lineD:rgba(10,26,50,.14);
 --serif:'Newsreader',Georgia,serif;--sans:'Montserrat',system-ui,sans-serif;--wrap:1320px;--g:clamp(20px,5vw,72px);--ease:cubic-bezier(.16,1,.3,1)}
*{box-sizing:border-box;margin:0}html{scroll-behavior:smooth}
body{background:var(--ivory);color:var(--ink);font:300 16px/1.75 var(--sans);-webkit-font-smoothing:antialiased}body.lock{overflow:hidden}
img{max-width:100%;display:block}a{color:inherit;text-decoration:none}ul,ol{list-style:none;padding:0}button,input,select{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--rose);outline-offset:3px}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 var(--g)}
.eyebrow{font-size:11px;letter-spacing:.28em;text-transform:uppercase;font-weight:400;opacity:.7}
h1,h2,h3{font-family:var(--serif);font-weight:300;letter-spacing:-.012em;line-height:1.08;font-optical-sizing:auto}
h2{font-size:clamp(38px,5vw,76px)}em{font-style:italic;color:inherit}
.lead{max-width:50ch;opacity:.72}
.js .rv{opacity:0;transform:translateY(28px);transition:opacity 1s var(--ease),transform 1s var(--ease);transition-delay:calc(var(--i,0)*100ms)}.js .rv.in{opacity:1;transform:none}
.btn{display:inline-flex;align-items:center;gap:10px;border-radius:999px;padding:15px 28px;font-size:13px;letter-spacing:.04em;border:1px solid transparent;cursor:pointer;transition:transform .4s var(--ease),background .3s,color .3s,border-color .3s}
.btn:active{transform:scale(.97)}.btn.sm{padding:10px 20px}
.btn-ivory{background:var(--ivory);color:var(--ink)}.btn-ivory:hover{background:#fff}
.btn-glass{background:rgba(243,248,250,.12);border-color:rgba(243,248,250,.35);color:var(--ivory);backdrop-filter:blur(10px)}.btn-glass:hover{background:rgba(243,248,250,.22)}
.btn-ink{background:var(--ink);color:var(--ivory)}.btn-ink:hover{background:#1d3a60}
.btn-solid{background:var(--ink);color:var(--ivory)}
.ic{transition:transform .4s var(--ease)}.btn:hover .ic{transform:translate(2px,-2px)}

/* nav pill */
.hdr{position:fixed;top:18px;left:0;right:0;z-index:30;display:flex;justify-content:center;padding:0 16px}
.pill{display:flex;align-items:center;justify-content:space-between;gap:32px;width:min(1100px,100%);padding:10px 12px 10px 28px;border-radius:999px;background:rgba(10,26,50,.28);backdrop-filter:blur(18px) saturate(140%);border:1px solid rgba(243,248,250,.16);box-shadow:inset 0 1px 0 rgba(255,255,255,.12);color:var(--ivory);transition:background .4s}
.hdr.scrolled .pill{background:rgba(10,26,50,.82)}
.logo{width:74px;display:block;color:inherit}
.nav{display:flex;gap:32px;font-size:13px}.nav a{opacity:.8;transition:opacity .3s}.nav a:hover{opacity:1}
.hr{display:flex;align-items:center;gap:14px}
.lang{display:flex;font-size:11px;letter-spacing:.1em}.lang button{background:none;border:0;padding:6px 8px;cursor:pointer;color:rgba(243,248,250,.5)}.lang button[aria-pressed=true]{color:var(--ivory);border-bottom:1px solid var(--ivory)}
.menu{display:none;background:none;border:0;width:38px;height:38px;cursor:pointer}.menu span{display:block;width:20px;height:1px;background:var(--ivory);margin:6px auto}

/* hero */

/* statement + finder */
.statement{padding:clamp(64px,8vw,112px) 0}
.statement .big{font:300 clamp(34px,4.6vw,68px)/1.08 var(--serif);letter-spacing:-.02em;max-width:18ch;margin:22px 0 20px}.statement .big em{color:#00769F}
.sub{max-width:52ch;opacity:.65;margin-bottom:46px}
.tabs{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:40px}
.tab{border:1px solid var(--lineD);background:transparent;border-radius:999px;padding:11px 22px;font-size:13px;cursor:pointer;transition:.35s var(--ease)}
.tab:hover{border-color:var(--ink)}.tab[aria-selected=true]{background:var(--ink);color:var(--ivory);border-color:var(--ink)}
.panel{display:grid;grid-template-columns:1fr 1.2fr;gap:clamp(24px,6vw,100px);align-items:start;min-height:250px}
.panel h3{font-size:clamp(28px,3vw,44px);margin-bottom:14px}.panel p{opacity:.68;max-width:42ch;margin-bottom:26px}
.rec li{display:flex;justify-content:space-between;gap:16px;padding:20px 0;border-top:1px solid var(--lineD);font:300 26px var(--serif);transition:padding .45s var(--ease)}
.rec li:last-child{border-bottom:1px solid var(--lineD)}.rec li:hover{padding-left:14px}.rec li span{font:300 12px var(--sans);opacity:.55;align-self:center;letter-spacing:.06em}
.fade{animation:up .7s var(--ease)}@keyframes up{from{opacity:0;transform:translateY(12px)}}

/* dark / treatments */
.dark{background:var(--ink);color:var(--ivory);padding:clamp(64px,8vw,112px) 0}
.head{display:flex;justify-content:space-between;align-items:end;gap:30px;flex-wrap:wrap;margin-bottom:clamp(40px,6vw,80px)}.head h2{margin-top:18px;max-width:14ch}
.acc{display:flex;gap:12px;height:clamp(460px,62vh,640px)}
.pn{position:relative;flex:1;border-radius:26px;overflow:hidden;background:var(--bg) center/cover;transition:flex .9s var(--ease);cursor:pointer;min-width:0}
.pn::before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,26,50,.05),rgba(10,26,50,.78));z-index:1}
.pn.on{flex:3.2}
.num{position:absolute;top:22px;left:24px;z-index:2;font-size:12px;letter-spacing:.2em;color:rgba(243,248,250,.8)}
.pn-t{position:absolute;left:26px;right:26px;bottom:26px;z-index:2}
.pn h3{font-size:clamp(24px,2.3vw,34px);margin-bottom:8px}
.pn p{font-size:14px;max-width:34ch;opacity:0;max-height:0;transition:opacity .6s var(--ease) .15s,max-height .6s var(--ease)}
.pn.on p{opacity:.85;max-height:90px}
.idx-t{margin:clamp(60px,8vw,110px) 0 12px}
.idx{columns:2;column-gap:60px}
.idx li{break-inside:avoid;display:grid;grid-template-columns:40px 1fr 20px;align-items:center;padding:22px 0;border-top:1px solid var(--line);font:300 clamp(24px,2.4vw,34px)/1.1 var(--serif);transition:padding .5s var(--ease),color .3s}
.idx li i{font:300 11px var(--sans);letter-spacing:.2em;font-style:normal;opacity:.5}.idx li .ic{opacity:.4}
.idx li:hover{padding-left:14px;color:#9FD0E3}

/* journey */
.journey{padding:clamp(64px,8vw,112px) 0;background:var(--sand)}
.journey .head h2{max-width:13ch}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.steps li{padding:30px 28px 10px 0;border-top:1px solid var(--lineD)}
.steps b{font:italic 300 44px var(--serif);display:block;margin-bottom:34px;color:#00769F}
.steps h3{font-size:26px;margin-bottom:10px}.steps p{font-size:14.5px;opacity:.68;max-width:30ch}

/* doctor */
.doc{padding:clamp(64px,8vw,112px) 0}.doc .wrap{display:grid;grid-template-columns:.85fr 1.15fr;gap:clamp(30px,7vw,120px);align-items:center}
.portrait{aspect-ratio:4/5;background:linear-gradient(170deg,#D5E6EE,#8DB4C7);border-radius:300px 300px 26px 26px;overflow:hidden}.portrait img{width:100%;height:100%;object-fit:contain;object-position:center bottom}
.doc h2{margin:18px 0 20px}

/* band */

/* booking */
.book .wrap{display:grid;grid-template-columns:1fr 1fr;gap:clamp(32px,7vw,120px);align-items:start}
.book h2{margin:18px 0}.contact{margin-top:36px;display:grid;gap:12px;font-size:14.5px;opacity:.8}.contact b{display:inline-block;min-width:100px;font-weight:400;opacity:.6}
.formwrap{border:1px solid var(--line);border-radius:30px;padding:clamp(26px,4vw,48px);background:rgba(243,248,250,.04);box-shadow:inset 0 1px 0 rgba(255,255,255,.08)}
form{display:grid;gap:20px}.f{display:grid;gap:8px}label{font-size:12px;letter-spacing:.08em;opacity:.7}
input,select{width:100%;border:0;border-bottom:1px solid rgba(243,248,250,.3);background:transparent;padding:12px 2px;border-radius:0;transition:border-color .3s}
select option{color:var(--ink)}input:focus,select:focus{outline:none;border-color:var(--ivory)}
.f.err input{border-color:#E59A92}.msg{font-size:12px;color:#E59A92}
form .btn{justify-content:center;width:100%;margin-top:8px}
.btn.load{pointer-events:none;color:transparent;background:linear-gradient(100deg,#b9dbe9 30%,#fff 50%,#b9dbe9 70%) 0/200% 100%;animation:sh 1s linear infinite}@keyframes sh{to{background-position:-200% 0}}
.ok{display:none;text-align:center;padding:40px 0}.ok h3{font-size:36px;margin-bottom:8px}.ok p{opacity:.7}form.done>*:not(.ok){display:none}form.done .ok{display:block}

.ftr{background:#06101E;color:var(--ivory);padding:80px 0 30px}.ftr .cols{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px}
.ftr .logo{width:90px;margin-bottom:16px}.ftr h4{font:400 11px var(--sans);letter-spacing:.26em;text-transform:uppercase;opacity:.5;margin-bottom:18px}
.ftr li,.ftr p{font-size:14px;opacity:.78;margin-bottom:8px;max-width:30ch}.copy{margin-top:56px;padding-top:22px;border-top:1px solid var(--line);font-size:12px;opacity:.45!important;max-width:none!important}

@media(max-width:980px){
 .hero-row,.panel,.doc .wrap,.book .wrap{grid-template-columns:1fr}.facts{grid-template-columns:1fr 1fr}
 .steps{grid-template-columns:1fr 1fr;row-gap:30px}.idx{columns:1}.ftr .cols{grid-template-columns:1fr 1fr}
 .band{background-attachment:scroll}
}
@media(max-width:760px){
 .pill{padding:8px 10px 8px 20px}.nav{display:none;position:fixed;inset:84px 16px auto;flex-direction:column;gap:0;background:rgba(10,26,50,.96);border-radius:26px;padding:10px 24px}
 .nav.open{display:flex}.nav a{padding:16px 0;border-bottom:1px solid var(--line);font-size:15px}.menu{display:block}.hr .btn{display:none}
 .acc{flex-direction:column;height:auto}.pn{flex:none;height:150px}.pn.on{flex:none;height:380px}
 .steps{grid-template-columns:1fr}.ftr .cols{grid-template-columns:1fr}.facts{grid-template-columns:1fr}
}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}.js .rv{opacity:1;transform:none}}

.hdr .logo{width:118px}.ftr .logo{width:140px}
@media(max-width:760px){.hdr .logo{width:100px}}

/* ===== Treatment results (before/after + patient words) ===== */
.rs-head{margin-bottom:clamp(32px,4vw,56px)}.rs-head .lead{margin-top:16px}
.rs-grid{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,6fr);gap:clamp(28px,6vw,96px);align-items:start}
.ba{position:relative;aspect-ratio:4/5;overflow:hidden;border-radius:var(--rs-r,28px);background:var(--rs-skel,#dbe7ee);touch-action:pan-y;user-select:none;-webkit-user-select:none}
.ba img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center 30%}
.ba .b{clip-path:inset(0 calc(100% - var(--p)*1%) 0 0)}
.ba-h{position:absolute;top:0;bottom:0;left:calc(var(--p)*1%);width:1px;background:rgba(255,255,255,.9);pointer-events:none}
.ba-h::after{content:"";position:absolute;top:50%;left:50%;width:46px;height:46px;transform:translate(-50%,-50%);border-radius:50%;background:rgba(255,255,255,.92) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='22' height='22' viewBox='0 0 22 22' fill='none' stroke='%230A1A32' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M8 6 3 11l5 5M14 6l5 5-5 5'/%3E%3C/svg%3E") center/22px no-repeat;box-shadow:0 8px 24px -8px rgba(10,26,50,.5)}
.ba-t{position:absolute;bottom:14px;font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:#fff;background:rgba(10,26,50,.55);padding:6px 12px;border-radius:99px;pointer-events:none}
.ba-t.l{left:14px}.ba-t.r{right:14px}
.ba input{position:absolute;inset:0;width:100%;height:100%;opacity:0;margin:0;cursor:ew-resize}
.ba:focus-within{outline:2px solid var(--ra,#00769F);outline-offset:3px}
.rs-note{font-size:12.5px;color:var(--rm,#5A6980);margin-top:14px;max-width:46ch;line-height:1.6}
.rs-tabs{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:34px}
.rs-tabs button{border:1px solid var(--rl,rgba(10,26,50,.18));background:transparent;border-radius:999px;padding:11px 20px;font-size:13.5px;cursor:pointer;color:inherit;transition:.3s cubic-bezier(.16,1,.3,1)}
.rs-tabs button:hover{border-color:var(--ri,#0A1A32)}
.rs-tabs button[aria-selected=true]{background:var(--ri,#0A1A32);color:var(--rt,#fff);border-color:var(--ri,#0A1A32)}
.rs-panel{animation:rsup .6s cubic-bezier(.16,1,.3,1)}@keyframes rsup{from{opacity:0;transform:translateY(12px)}}
.rs-panel h3{font-size:clamp(24px,2.4vw,34px);margin-bottom:22px}
.rs-panel dl{display:grid;gap:4px;margin:0}
.rs-panel dt{font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--ra,#00769F);margin-top:14px}
.rs-panel dd{margin:0;color:var(--rm,#5A6980);max-width:52ch;line-height:1.7}
.rs-q{margin:30px 0 0;padding:4px 0 4px 22px;border-left:1px solid var(--ra,#00769F);max-width:52ch}
.rs-q blockquote{margin:0;font-size:17px;line-height:1.6;letter-spacing:-.005em;color:var(--ri,#0A1A32)}
.rs-q figcaption{margin-top:12px;font-size:13px;color:var(--rm,#5A6980)}
@media(max-width:980px){.rs-grid{grid-template-columns:1fr}.ba{max-width:460px}}
@media(prefers-reduced-motion:reduce){.rs-panel{animation:none}}

.rsec{--ra:#00769F;--ri:var(--ink);--rm:#55647A;--rl:var(--lineD);--rs-r:26px;--rs-skel:#d7e4ec;padding:clamp(64px,8vw,112px) 0}
.rs-panel h3{font-weight:300}
.bq{margin:30px 0 0;padding:2px 0 2px 20px;border-left:1px solid var(--rose);max-width:44ch}.bq blockquote{margin:0;font-size:15px;line-height:1.65;color:rgba(243,248,250,.9)}.bq figcaption{margin-top:10px;font-size:12.5px;color:rgba(243,248,250,.55)}

.pn h3 a::after{content:"";position:absolute;inset:0;z-index:3}.idx li{position:relative}.idx-l::after{content:"";position:absolute;inset:0}

.ftr li,.ftr a{overflow-wrap:anywhere}.contact a{text-decoration:underline;text-underline-offset:3px}

/* ===== Hero, banner and "why" block taken from Option 1 ===== */
.o1hero{position:relative;min-height:660px;color:#F3F8FA;display:flex;align-items:center;overflow:hidden;background:url(../assets/img/hero-banner.jpg) 64% center/cover no-repeat,#05112B}
.o1hero .wrap{width:100%;padding-top:150px;padding-bottom:60px}
.o1eye{font-size:10px;letter-spacing:.25em;text-transform:uppercase;color:rgba(243,248,250,.8);max-width:420px;margin:0 0 20px;line-height:1.9}
.o1hero h1,.o1banner h2,.o1why h2,.o1why h3{font-family:var(--serif);font-weight:300;letter-spacing:-.01em}
.o1hero h1{font-size:clamp(34px,3.8vw,54px);line-height:1.06;max-width:800px;margin:0}
:lang(vi) .o1hero h1{line-height:1.18}
.o1hero em{color:#9FD0E3;font-style:italic}
.o1p{max-width:480px;margin:22px 0 0;letter-spacing:.06em;font-size:14px;line-height:1.7}
.o1cta{display:flex;gap:14px;margin-top:26px;flex-wrap:wrap}
.o1btn{display:inline-block;border-radius:999px;padding:12px 26px;font-size:11px;letter-spacing:.18em;text-transform:uppercase;border:1px solid transparent;cursor:pointer;white-space:nowrap;transition:.25s}
.o1btn-light{background:#F3F8FA;color:#0A1A32}.o1btn-light:hover{background:#fff}
.o1btn-ghost{border-color:#F3F8FA;color:#F3F8FA}.o1btn-ghost:hover{background:rgba(243,248,250,.15)}
.o1banner{height:230px;display:flex;align-items:center;color:#F3F8FA;background:linear-gradient(90deg,rgba(10,26,50,.35),rgba(10,26,50,.1)),url(../assets/img/banner-blue.jpg) center/cover,#0A1A32}
.o1banner .wrap{max-width:1160px;width:100%}
.o1banner h2{font-size:clamp(24px,2.8vw,34px);line-height:1.2;margin:0}.o1banner em{color:#F3F8FA}
.o1whywrap{background:#EDF3F6;padding:30px clamp(0px,0vw,0px) 70px}
.o1why{background:#FAFCFD;border-radius:28px;padding:48px clamp(24px,5vw,64px);max-width:1160px;margin:0 auto;width:calc(100% - 2*clamp(20px,5vw,72px))}
.o1why h2{font-size:clamp(26px,2.8vw,36px);color:#3B475C;margin:12px 0 28px;max-width:760px;line-height:1.3}
@media(max-width:760px){.o1hero{min-height:560px}.o1facts{grid-template-columns:1fr}.o1gal{grid-template-columns:1fr}}
.o1hero .wrap{max-width:1160px}

/* ===== USP: four principles (lean rows) ===== */
@media(max-width:860px){.usp-l li{grid-template-columns:36px 1fr;row-gap:8px;padding:20px 0}.usp-l p{grid-column:2}}
@media(prefers-reduced-motion:reduce){.usp-l li{transition:none}}

/* process: five steps */
.journey .head h2{max-width:20ch}
.steps{grid-template-columns:repeat(5,1fr)}
.steps li{padding:26px 22px 8px 0}
.steps b{font-size:38px;margin-bottom:26px}
.steps h3{font-size:clamp(20px,1.7vw,24px);line-height:1.2;margin-bottom:10px}
.steps p{font-size:14px;opacity:.7;max-width:26ch;line-height:1.65}
@media(max-width:1100px){.steps{grid-template-columns:repeat(2,1fr);row-gap:30px}.steps li:last-child{grid-column:1/-1}}
@media(max-width:640px){.steps{grid-template-columns:1fr}}

/* doctor copy */
.doc .doc-p{max-width:56ch;margin:0 0 18px;opacity:1;color:#3B475C;font-size:15.5px;line-height:1.8}
.doc .doc-p strong{font-weight:500;color:#0A1A32}
.doc .btn{margin-top:14px}

/* real menu: finder links, all-treatments sub lines, direction panels */
.rec li{position:relative}.rec li a{color:inherit}.rec li a::after{content:"";position:absolute;inset:0}
.idx-l{display:block}.idx-l small{display:block;font:300 12.5px/1.5 var(--sans);letter-spacing:.02em;opacity:.55;margin-top:6px}
.pn{background:var(--bg)}
.pn h3 a::after{content:"";position:absolute;inset:0;z-index:3}

/* UIFU Tightan Max machine inside direction 01 */
.pn::before{z-index:2}
.num,.pn-t{z-index:3}
/* machine above the shade, text column kept narrow so they never overlap */
.pn::before{z-index:1}
.pn:first-child .pn-t{max-width:300px}
.pn:first-child .pn-t p{max-width:30ch}
@media(max-width:1100px) and (min-width:761px){.pn-m{display:none}.pn:first-child .pn-t{max-width:none}}
/* full transparent machine photo */
/* machine only shows while its box is open, so it never sits behind the collapsed title */
/* direction 01 now uses the treatment photo as background, so the machine-driven text narrowing is lifted */
.pn:first-child .pn-t{max-width:none}.pn:first-child .pn-t p{max-width:34ch}
/* four principles now live in the "why" list */

/* Truyền thông & y khoa */
.news{background:#EDF3F6;padding:clamp(20px,3vw,40px) 0 clamp(72px,9vw,120px)}
.news .wrap{max-width:1160px}
.news h2{font-size:clamp(34px,4.2vw,56px);line-height:1.05;margin:0 0 clamp(26px,3vw,40px);color:#0A1A32}
.news h2 em{color:#00769F;font-style:italic;padding-bottom:.08em}
.news-bar{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px 28px;margin-bottom:28px}
.news-c{display:flex;flex-wrap:wrap;gap:10px}
.news-s input:focus-visible,.nf-btn:focus-visible{outline:2px solid #00769F;outline-offset:3px}
.news-s{position:relative;flex:0 1 300px;min-width:220px}
.news-s label{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.news-s input{width:100%;height:44px;border-radius:999px;border:1px solid rgba(10,26,50,.22);background:#FAFCFD;padding:0 20px;font:300 14px var(--sans);color:#0A1A32;transition:border-color .3s}
.news-s input::placeholder{color:#55657C;opacity:1}
.news-s input:hover{border-color:#0A1A32}

.nf{display:grid;grid-template-columns:minmax(0,1.38fr) minmax(0,1fr);background:#0A1A32;border-radius:28px;overflow:hidden;color:#F3F8FA;box-shadow:0 30px 60px -34px rgba(10,26,50,.55)}
.nf-img{display:block;position:relative;min-height:100%;overflow:hidden}
.nf-img img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform 1.2s var(--ease)}
.nf:hover .nf-img img{transform:scale(1.03)}
.nf-img::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,transparent 62%,rgba(10,26,50,.85) 100%)}
.nf-b{padding:clamp(28px,4vw,52px);display:flex;flex-direction:column;justify-content:center;gap:0;background:radial-gradient(120% 80% at 100% 0%,rgba(0,118,159,.28),transparent 60%)}
.nf-tag{font:400 11px var(--sans);letter-spacing:.2em;text-transform:uppercase;color:#89BFD2;margin:0 0 18px}
.nf h3{font-size:clamp(25px,2.5vw,34px);line-height:1.12;margin:0 0 16px}
.nf-s{font-size:14px;line-height:1.75;opacity:.78;margin:0 0 30px;max-width:44ch}
.nf-act{display:flex;flex-wrap:wrap;align-items:center;gap:18px 22px}
.nf-btn{display:inline-flex;align-items:center;gap:10px;border-radius:999px;padding:13px 26px;font:400 11px var(--sans);letter-spacing:.16em;text-transform:uppercase;white-space:nowrap;background:#F3F8FA;color:#0A1A32;border:1px solid transparent;cursor:pointer;transition:transform .35s var(--ease),background .3s,gap .35s var(--ease)}
.nf-btn:hover{background:#fff;gap:14px}.nf-btn:active{transform:scale(.97)}
.nf-btn-d{background:#0A1A32;color:#F3F8FA}.nf-btn-d:hover{background:#10284A}

.news-empty{background:#FAFCFD;border:1px solid rgba(10,26,50,.14);border-radius:28px;padding:clamp(36px,6vw,64px);text-align:left}
.news-empty h3{font-size:clamp(26px,3vw,36px);margin:0 0 10px}.news-empty p{color:#3B475C;margin:0 0 26px;font-size:14px}

@keyframes nfin{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
@media(max-width:860px){
 .nf{grid-template-columns:1fr}
 .nf-img{aspect-ratio:3/2;min-height:0}.nf-img::after{background:linear-gradient(180deg,transparent 60%,rgba(10,26,50,.85) 100%)}
 .news-s{flex:1 1 100%}
}
/* keep the whole poster visible: image column locks to the poster ratio */
.nf{grid-template-columns:minmax(0,1.6fr) minmax(0,1fr)}
.nf-img{aspect-ratio:3/2;min-height:0}
.nf-b{padding:clamp(26px,3vw,42px)}
.nf h3{font-size:clamp(24px,2.2vw,31px)}
.nf-s{margin-bottom:26px}
@media(max-width:860px){.nf{grid-template-columns:1fr}.nf-b{padding:28px 26px 32px}}
.nf-img{aspect-ratio:auto;min-height:clamp(300px,31vw,440px)}
@media(max-width:860px){.nf-img{aspect-ratio:3/2;min-height:0}}

/* blog index: lead story + list, award announcement below */
.bgrid{display:grid;grid-template-columns:minmax(0,1.22fr) minmax(0,1fr);gap:clamp(28px,4vw,56px);align-items:start}
.bgrid.one{grid-template-columns:1fr}
.bt{display:block;font:400 11px var(--sans);letter-spacing:.18em;text-transform:uppercase;color:#00769F}
.bl-t{font:300 12px var(--sans);letter-spacing:.06em;color:#55657C}
.bl,.bs{display:flex;color:#0A1A32;text-decoration:none}
.bl{flex-direction:column;gap:22px}
.bl-img,.bs-img{display:block;overflow:hidden;border-radius:22px;background:#D9E6EC}
.bl-img{aspect-ratio:4/3}
.bl-img img,.bs-img img{width:100%;height:100%;object-fit:cover;display:block;transition:transform 1.1s var(--ease)}
.bl:hover .bl-img img,.bs:hover .bs-img img{transform:scale(1.04)}
.bl-b{display:flex;flex-direction:column;gap:12px}
.bl h3{font-size:clamp(26px,2.7vw,36px);line-height:1.1;margin:0;color:#0A1A32}
.bl-s{font:300 15px/1.75 var(--sans);color:#3B475C;max-width:52ch}
.bl-m{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-top:6px;padding-top:16px;border-top:1px solid rgba(10,26,50,.14)}
.bl-go{font:400 11px var(--sans);letter-spacing:.16em;text-transform:uppercase;color:#0A1A32}
.bl-go i{font-style:normal;display:inline-block;transition:transform .4s var(--ease)}
.bl:hover .bl-go i,.bs:hover h3{transform:translateX(4px)}
.bl:hover h3,.bs:hover h3{color:#00769F}
.bl h3,.bs h3{transition:color .3s}
.bl:focus-visible,.bs:focus-visible{outline:2px solid #00769F;outline-offset:6px;border-radius:12px}
.bl.solo{flex-direction:row;align-items:center;gap:clamp(24px,4vw,56px)}
.bl.solo .bl-img{flex:1.2 1 0}.bl.solo .bl-b{flex:1 1 0}
.bside{display:flex;flex-direction:column}
.bs{gap:20px;padding:24px 0;border-top:1px solid rgba(10,26,50,.14);align-items:center}
.bs:first-child{border-top:0;padding-top:0}
.bs-img{flex:0 0 clamp(120px,13vw,170px);aspect-ratio:1/1;border-radius:18px}
.bs-b{display:flex;flex-direction:column;gap:8px;min-width:0}
.bs h3{font-size:clamp(20px,1.7vw,24px);line-height:1.18;margin:0;color:#0A1A32}
.news-award{margin-top:clamp(52px,6vw,84px)}
@media(max-width:860px){
 .bgrid{grid-template-columns:1fr}
 .bl.solo{flex-direction:column;align-items:stretch}
 .bs:first-child{padding-top:24px;border-top:1px solid rgba(10,26,50,.14)}
 .bside{margin-top:24px}.bside .bs:first-child{margin-top:0}
}
@media(prefers-reduced-motion:reduce){.bl-img img,.bs-img img,.bl-go i,.bl h3,.bs h3{transition:none}.bl:hover .bl-img img,.bs:hover .bs-img img{transform:none}}
.bgrid{align-items:stretch}
.bside{justify-content:space-between}
.bs{flex:1 1 0}
@media(max-width:860px){.bs{flex:none}}

/* results: link to the before and after page */
.rs-head2{display:flex;justify-content:space-between;align-items:end;gap:24px 30px;flex-wrap:wrap}
.btn-line{background:transparent;border-color:rgba(10,26,50,.4);color:#0A1A32}
.btn-line:hover{background:#0A1A32;border-color:#0A1A32;color:#F3F8FA}
.btn-line:focus-visible{outline:2px solid #00769F;outline-offset:3px}

/* ===== production pass ===== */
html{scroll-padding-top:110px}
/* one serif family: Newsreader (clear Vietnamese tone marks) */
h3{font-weight:400}
.idx li{font-weight:400}
/* nav collapses to the menu button from tablet down (label is longer now) */
@media(max-width:1024px){
 .pill{padding:8px 10px 8px 20px}
 .nav{display:none;position:fixed;inset:84px 16px auto;flex-direction:column;gap:0;background:rgba(10,26,50,.96);border-radius:26px;padding:10px 24px}
 .nav.open{display:flex}.nav a{padding:16px 0;border-bottom:1px solid var(--line);font-size:15px}.nav a:last-child{border-bottom:0}
 .menu{display:block}
}
/* touch targets and focus */
.lang button{padding:13px 10px;min-height:44px}
.menu{width:44px;height:44px}
input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid #89BFD2;outline-offset:3px;border-color:var(--ivory)}
.nav a:focus-visible,.lang button:focus-visible,.menu:focus-visible,.tab:focus-visible,.btn:focus-visible,.o1btn:focus-visible{outline:2px solid #89BFD2;outline-offset:3px}
/* contrast */
.rec li span{opacity:1;color:#4A5A72}
.idx-l small{opacity:.7}
.ftr .copy{opacity:.62!important}
/* news topics: text tabs with an underline (different from the pill tabs used by the finder and results) */
.news-c{gap:6px 30px}
.ntab{background:none;border:0;border-bottom:1px solid transparent;padding:8px 0;font:300 14px var(--sans);color:#4A5A72;cursor:pointer;transition:color .3s,border-color .3s}
.ntab:hover{color:#0A1A32}
.ntab[aria-pressed=true]{color:#0A1A32;border-bottom-color:#00769F}
.ntab:focus-visible{outline:2px solid #00769F;outline-offset:4px}
.news-bar{margin-bottom:34px;border-bottom:1px solid rgba(10,26,50,.14)}
.nf-btn-g{background:transparent;color:#F3F8FA;border:1px solid rgba(243,248,250,.4)}.nf-btn-g:hover{background:rgba(243,248,250,.12)}
h3.idx-t{font:400 clamp(26px,2.6vw,34px)/1.1 var(--serif);letter-spacing:-.01em;text-transform:none;opacity:1;margin:clamp(56px,7vw,96px) 0 14px;color:inherit}

/* hero: brand banner (navy liquid shapes melting into the reception) as the background, text sits on the navy area */
.o1hero .wrap{padding-top:128px;padding-bottom:72px}
.o1txt{max-width:560px}
.o1txt h1{text-wrap:wrap}
@media(max-width:1024px) and (min-width:901px){.o1hero{background-position:58% center}.o1txt{max-width:480px}}
@media(max-width:900px){
 .o1hero{min-height:0;align-items:flex-start;background:linear-gradient(180deg,#05112B 0,#05112B 50%,rgba(5,17,43,0) 80%),url(../assets/img/hero-banner.jpg) 90% 100%/auto 380px no-repeat,#05112B}
 .o1hero .wrap{padding-top:124px;padding-bottom:340px}
 .o1txt{max-width:none}
}

/* Vietnamese stacks tone marks above the letters: give display type more line height than Latin */
:lang(vi) h1,:lang(vi) h2,:lang(vi) h3{line-height:1.18}
:lang(vi) .statement .big{line-height:1.14}
:lang(vi) .o1hero h1{line-height:1.16}

/* Vietnamese: keep accent phrases and names on one line, avoid lone last words */
h1 em,h2 em,h3 em,.big em{white-space:nowrap}
h1,h2,h3,.big,p,li,.lead{text-wrap:pretty}
.o1hero h1 em{display:block}.o1hero h1{text-wrap:wrap}

/* four directions: photos stay clear, only a bottom gradient (dark at the bottom, fading up) sits behind the lettering */
.pn::before{inset:auto 0 0 0;height:64%;background:linear-gradient(0deg,rgba(6,18,38,.94) 0%,rgba(6,18,38,.8) 24%,rgba(6,18,38,.42) 50%,rgba(6,18,38,0) 100%)}
.pn.on::before{height:58%}

/* ===== type roles =====
   Newsreader (serif): hero headline, section titles and the teal italic accents only.
   Montserrat: everything else, including treatment names and article titles. */
h1,h2,h3{font-family:var(--sans);font-weight:400;letter-spacing:-.005em;line-height:1.3}
:lang(vi) h1,:lang(vi) h2,:lang(vi) h3{line-height:1.3}
h1 em,h2 em,h3 em,.big em{font-family:var(--serif);font-style:italic;font-weight:300}
/* serif allow-list */
.o1hero h1,.o1banner h2,.o1why h2,.statement .big,.dark .head h2,.rsec h2,.journey h2,.doc h2,.news h2,.book h2,
.dt-reshead h2,.dt-relw h2,.ar-more h2,.ar-cta h2,#svc-ask h2,.sv-top h1,.bag-h h2,.dt-sec h2,.ba-page .ar-top h1,h3.idx-t,.news-empty h3{font-family:var(--serif);font-weight:300;letter-spacing:-.012em}
:lang(vi) .o1hero h1,:lang(vi) .statement .big,:lang(vi) .dark .head h2,:lang(vi) .rsec h2,:lang(vi) .journey h2,:lang(vi) .doc h2,:lang(vi) .news h2,:lang(vi) .book h2,:lang(vi) .sv-top h1,:lang(vi) .ba-page .ar-top h1,:lang(vi) .bag-h h2{line-height:1.16}
:lang(vi) .o1banner h2,:lang(vi) .o1why h2,:lang(vi) .dt-sec h2,:lang(vi) .dt-reshead h2,:lang(vi) .dt-relw h2,:lang(vi) .ar-more h2,:lang(vi) .ar-cta h2,:lang(vi) #svc-ask h2{line-height:1.22}
/* Montserrat names and titles */
.pn h3{font-size:clamp(15px,1.2vw,17px);line-height:1.3}.pn.on h3{font-size:clamp(20px,1.9vw,27px)}
.idx li{font:400 clamp(17px,1.5vw,21px)/1.3 var(--sans)}
.idx-l small{font-size:12px}
.rec li{font:400 20px/1.3 var(--sans)}
.steps b{font:300 34px/1 var(--sans);font-style:normal;margin-bottom:28px}
.steps h3{font-size:18px;line-height:1.3}
.panel h3{font-size:clamp(24px,2.4vw,32px);line-height:1.25}
.rs-panel h3{font-size:clamp(20px,1.9vw,26px);line-height:1.3}
.bl h3{font-size:clamp(22px,2.1vw,29px);line-height:1.28}
.bs h3{font-size:clamp(16px,1.35vw,19px);line-height:1.38}
.nf h3{font-size:clamp(20px,1.8vw,25px);line-height:1.32}
.o1why h2 em{white-space:normal}
/* accordion stacks vertically up to tablet width: four side-by-side panels are too narrow for the names */
@media(max-width:1100px){
 .acc{flex-direction:column;height:auto}.pn{flex:none;height:170px}.pn.on{flex:none;height:400px}
 .pn-t{left:22px;right:22px;bottom:22px}
}

/* advantages: each photo paired with one advantage, stepping down to the right */
.o1why .usp3{display:grid;grid-template-columns:1.18fr 1fr 1fr;gap:clamp(22px,3.2vw,48px);align-items:start;margin-top:clamp(30px,4vw,52px);padding-bottom:clamp(8px,2vw,24px)}
.u3 figure{margin:0 0 22px;border-radius:22px;overflow:hidden;aspect-ratio:4/5;background:#D9E6EC;box-shadow:0 26px 46px -32px rgba(10,26,50,.5)}
.u3 img{width:100%;height:100%;object-fit:cover;display:block;transition:transform 1.1s var(--ease)}
.u3:hover img{transform:scale(1.03)}
.u3:nth-child(1) img{object-position:50% 52%}.u3:nth-child(2) img{object-position:50% 62%}
.u3:nth-child(2){margin-top:clamp(28px,4vw,56px)}.u3:nth-child(3){margin-top:clamp(56px,8vw,112px)}
.u3 i{display:block;font:400 12px var(--sans);letter-spacing:.2em;color:#00769F;font-style:normal;margin-bottom:10px}
.o1why .u3 h3{font:500 clamp(17px,1.5vw,20px)/1.35 var(--sans);letter-spacing:-.003em;margin:0 0 10px;color:#0A1A32}
.o1why .u3 p{font:300 14px/1.7 var(--sans);color:#3B475C;margin:0;max-width:34ch}
@media(max-width:860px){.o1why .usp3{grid-template-columns:1fr;gap:44px}.u3:nth-child(2),.u3:nth-child(3){margin-top:0}.u3 figure{max-width:440px}}
@media(prefers-reduced-motion:reduce){.u3 img{transition:none}.u3:hover img{transform:none}}
.o1banner h2 em{white-space:normal}

/* one size for every home-page section title */
.statement .big,.dark .head h2,.rsec h2,.journey h2,.doc h2,.o1why h2,.news h2,.book h2{font-size:clamp(34px,4.2vw,58px);font-weight:300;letter-spacing:-.012em}
.o1why h2{color:#0A1A32;max-width:none;margin:0}

/* ===== UX polish pass ===== */
/* lettering over photos: stronger base on small screens where the boxes are short */
@media(max-width:1100px){.pn::before{height:78%}.pn.on::before{height:72%}}
/* form: tighter field rhythm, easier to scan */
form{gap:16px}
input,select{padding:10px 2px}
.f label{margin-bottom:0}
/* doctor portrait: keep it a portrait, never a full-width slab on tablets */
@media(max-width:980px){.doc .portrait{width:min(100%,420px)}}
/* advantages on tablet: photo beside its text instead of a tall stack */
@media(min-width:561px) and (max-width:860px){
 .o1why .u3{display:grid;grid-template-columns:minmax(0,260px) minmax(0,1fr);column-gap:28px;align-items:center}
 .o1why .u3 figure{grid-row:1/4;margin:0}
 .o1why .u3 i{align-self:end;margin:0 0 8px}
 .o1why .u3 h3,.o1why .u3 p{grid-column:2}
}
/* finder rows on phones: name above, category beneath (the two used to fight for width) */
@media(max-width:560px){
 .rec li{flex-direction:column;gap:4px;align-items:flex-start}
 .rec li span{align-self:flex-start}
}