/* Font khắc thật của BLUS (cùng file với công cụ cá nhân hóa trên blusaigon.vn) */
@font-face{font-family:'UVNKECHUYEN3';src:url('../fonts/uvnkechuyen3.ttf') format('truetype');font-display:swap}
@font-face{font-family:'UVNBUCTHU';src:url('../fonts/uvnbucthu.ttf') format('truetype');font-display:swap}
@font-face{font-family:'UVNKECHUYEN1';src:url('../fonts/uvnkechuyen1.ttf') format('truetype');font-display:swap}
@font-face{font-family:'UVNKECHUYEN2';src:url('../fonts/uvnkechuyen2.ttf') format('truetype');font-display:swap}
@font-face{font-family:'UVNLYDO';src:url('../fonts/uvnlydo.ttf') format('truetype');font-display:swap}
@font-face{font-family:'UVNVIVI';src:url('../fonts/uvnvivi.ttf') format('truetype');font-display:swap}
@font-face{font-family:'BKANT';src:url('../fonts/bkant.ttf') format('truetype');font-display:swap}
/* BLUS Curator — bố cục tối giản kiểu maison (Montblanc), nhận diện BLUS: xanh #273B91 + Noto Serif Display */
:root{
  --blue:#273B91; --blue2:#1D2D73; --ink:#111111; --ink2:#3C3C3C; --muted:#6E6E6E;
  --white:#FFFFFF; --stone:#F4F3F1; --stone2:#E9E7E3; --line:#E2E0DC; --ok:#2F6B4F; --warn:#8A5A22; --err:#A23B3B;
  --serif:'Noto Serif Display',Georgia,serif; --sans:'Montserrat',system-ui,sans-serif;
  --ease:cubic-bezier(.2,.7,.2,1);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--white);color:var(--ink);font:400 14.5px/1.7 var(--sans);-webkit-font-smoothing:antialiased;letter-spacing:0}
a{color:inherit} button{font:inherit;color:inherit;cursor:pointer;background:none;border:0;padding:0} img{max-width:100%;display:block}
b,strong{font-weight:500}
:focus-visible{outline:1px solid var(--blue);outline-offset:3px}
.wrap{max-width:1280px;margin:0 auto;padding:0 32px}
.serif{font-family:var(--serif);font-weight:300} .muted{color:var(--muted)}
.eyebrow{font:400 11px/1.4 var(--sans);letter-spacing:.22em;text-transform:uppercase;color:var(--muted)}
.eyebrow.blue{color:var(--blue)}
h1,h2{font-family:var(--serif);font-weight:300;letter-spacing:-.01em;line-height:1.2;margin:0}
h3,h4{font-family:var(--sans);font-weight:500;letter-spacing:.01em;line-height:1.35;margin:0}

/* ── Header ───────────────────────────── */
.strip{background:var(--ink);color:#fff;text-align:center;font-size:10.5px;letter-spacing:.22em;text-transform:uppercase;padding:9px 16px;font-weight:400}
.top{position:sticky;top:0;z-index:40;background:rgba(255,255,255,.96);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.top .wrap{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;height:76px}
.top nav{display:flex;gap:28px}
.top nav.r{justify-content:flex-end}
.top nav a{font-size:11.5px;letter-spacing:.18em;text-transform:uppercase;text-decoration:none;padding:6px 0;border-bottom:1px solid transparent;transition:.2s}
.top nav a:hover,.top nav a.on{border-color:var(--ink)}
.logo img{height:34px;width:auto}

/* ── Buttons & links ─────────────────── */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:50px;padding:0 34px;border:1px solid var(--blue);background:var(--blue);color:#fff;
  font:400 12px/1 var(--sans);letter-spacing:.2em;text-transform:uppercase;text-decoration:none;transition:background .25s var(--ease),color .25s}
.btn:hover{background:var(--blue2)} .btn:disabled{opacity:.4;cursor:not-allowed}
.btn.ghost{background:transparent;color:var(--ink);border-color:var(--ink)} .btn.ghost:hover{background:var(--ink);color:#fff}
.btn.sm{min-height:42px;padding:0 22px;font-size:11px}
.btn.block{width:100%}
.link{font-size:11.5px;letter-spacing:.18em;text-transform:uppercase;text-decoration:none;border-bottom:1px solid currentColor;padding-bottom:3px;transition:opacity .2s}
.link:hover{opacity:.6}

/* ── Home ────────────────────────────── */
.hero{background:var(--stone);text-align:center;padding:90px 0 70px;overflow:hidden}
.hero h1{font-size:clamp(40px,6.4vw,84px);line-height:1.04;margin:22px 0 18px}
.hero p{max-width:600px;margin:0 auto;color:var(--ink2)}
.hero .pen{max-width:1040px;margin:34px auto 6px;animation:rise 1.1s var(--ease) both}
.hero .cta{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-top:26px}
@keyframes rise{from{opacity:0;transform:translateY(14px)}}
.split{display:grid;grid-template-columns:1fr 1fr;border-bottom:1px solid var(--line)}
.split a{display:flex;flex-direction:column;gap:14px;padding:80px 64px;text-decoration:none;transition:background .3s}
.split a:first-child{border-right:1px solid var(--line)}
.split a:hover{background:var(--stone)}
.split h2{font-size:clamp(30px,3.4vw,44px);line-height:1.1}
.split p{color:var(--ink2);max-width:440px;margin:0}
.split .link{align-self:flex-start;margin-top:12px}
.facts{display:grid;grid-template-columns:repeat(4,1fr);text-align:center;padding:72px 0;border-bottom:1px solid var(--line)}
.facts div{padding:0 16px;border-right:1px solid var(--line)} .facts div:last-child{border:0}
.facts b{display:block;font:300 36px/1.1 var(--sans);margin-bottom:8px}
.facts span{font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--muted)}
.story{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center;padding:100px 0}
.story h2{font-size:clamp(30px,3.4vw,46px);line-height:1.12;margin:16px 0}
.story p{color:var(--ink2)}
.story .tex{display:grid;grid-template-columns:repeat(5,1fr);gap:14px 10px}
.story .tex img{aspect-ratio:1;object-fit:cover;border-radius:50%;width:100%}
.story .tex figure{margin:0;text-align:center;font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.story .tex figcaption{margin-top:8px}

/* ── Footer ──────────────────────────── */
.foot{background:var(--ink);color:#bdbdbd;padding:64px 0 36px;font-size:13px}
.foot .wrap{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:40px}
.foot img{height:28px;filter:brightness(0) invert(1);margin-bottom:18px}
.foot h4{font:400 11px var(--sans);letter-spacing:.22em;text-transform:uppercase;color:#fff;margin-bottom:14px}
.foot p{margin:0 0 6px} .foot a{text-decoration:none} .foot a:hover{color:#fff}
.foot .legal{grid-column:1/-1;border-top:1px solid #2a2a2a;padding-top:22px;font-size:11.5px;color:#8a8a8a}

/* ── Forms ───────────────────────────── */
.narrow{max-width:760px;margin:0 auto;padding:72px 32px 100px}
h2.title{font-size:clamp(32px,4.4vw,52px);line-height:1.08;margin:14px 0 10px}
.lead{color:var(--ink2);margin:0 0 10px}
.field{margin:30px 0} .field>label,.lbl{display:block;font:400 11px/1.4 var(--sans);letter-spacing:.2em;text-transform:uppercase;color:var(--ink2);margin-bottom:10px}
input[type=text],input[type=tel],input[type=email],select,textarea{width:100%;border:0;border-bottom:1px solid #BDBAB4;background:transparent;border-radius:0;padding:10px 0;font:400 16px var(--sans);color:var(--ink);-webkit-appearance:none;appearance:none}
select{background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M0 0l5 6 5-6' fill='none' stroke='%23111'/%3E%3C/svg%3E") right 4px center no-repeat}
textarea{resize:vertical;border:1px solid #BDBAB4;padding:12px}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--blue)}
.row{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:24px}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{border:1px solid var(--line);padding:11px 18px;font-size:13px;transition:.2s;background:#fff}
.chip:hover{border-color:var(--ink)} .chip[aria-pressed=true]{background:var(--ink);color:#fff;border-color:var(--ink)}
.hint{font-size:12.5px;color:var(--muted);margin-top:8px}
.err{color:var(--err);font-size:13px;margin-top:8px}
.check{display:flex;gap:12px;align-items:flex-start;font-size:14px;margin:12px 0}
.check input{margin-top:5px;accent-color:var(--blue)}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.actions-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:40px}

/* ── Studio ──────────────────────────── */
.studio{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(0,1fr);border-bottom:1px solid var(--line)}
.stage{position:sticky;top:76px;height:calc(100vh - 76px - 84px);min-height:420px;background:var(--stone);display:flex;flex-direction:column;justify-content:center;padding:30px 40px}
.stage .name{text-align:center;margin-bottom:6px}
.stage .name h2{font-size:clamp(26px,3vw,38px);margin-top:8px}
.stage .zoom{max-width:440px;margin:4px auto 0;width:100%}
.stage .desc-line{text-align:center;font-size:12.5px;color:var(--muted);margin-top:12px}
.views{display:flex;justify-content:center;gap:22px;margin-top:16px}
.views button{font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--muted);padding-bottom:4px;border-bottom:1px solid transparent}
.views button[aria-pressed=true]{color:var(--ink);border-color:var(--ink)}
.photo{display:grid;place-items:center;height:240px;overflow:hidden}
.photo img{height:900px;max-width:none;width:auto;transform:rotate(-90deg);mix-blend-mode:multiply}
.side{padding:0 40px 140px}
.acc{border-bottom:1px solid var(--line)}
.acc>button{width:100%;display:grid;grid-template-columns:34px 1fr auto 18px;align-items:center;gap:10px;padding:24px 0;text-align:left}
.acc>button .n{font-size:11px;letter-spacing:.1em;color:var(--muted)}
.acc>button .t{font:500 15px var(--sans);letter-spacing:.02em}
.acc>button .v{font-size:12.5px;color:var(--muted);text-align:right;max-width:200px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.acc>button .c{width:9px;height:9px;border-right:1px solid var(--ink);border-bottom:1px solid var(--ink);transform:rotate(45deg) translateY(-3px);transition:.25s var(--ease)}
.acc.open>button .c{transform:rotate(-135deg)}
.acc .body{padding:0 0 30px;animation:fade .35s var(--ease)}
@keyframes fade{from{opacity:0;transform:translateY(-4px)}}
.opts{display:grid;gap:10px}
.opts.grid2{grid-template-columns:repeat(2,minmax(0,1fr))} .opts.grid5{grid-template-columns:repeat(5,minmax(0,1fr));gap:14px 6px}
.opt{position:relative;text-align:left;border:1px solid var(--line);background:#fff;padding:14px;transition:border-color .2s}
.opt:hover{border-color:#9c9a95} .opt[aria-pressed=true]{border-color:var(--ink);box-shadow:inset 0 0 0 1px var(--ink)}
.opt b{display:block;font-weight:400;font-size:14px}
.opt .sub{font-size:12px;color:var(--muted);line-height:1.45}
.opt .px{font-size:11.5px;margin-top:6px;color:var(--ink2)}
.opt .thumb{margin:-6px -6px 10px;padding:14px 8px;background:var(--stone);display:grid;place-items:center;min-height:92px}
.opt .thumb img{height:300%;width:auto;max-width:none;transform:rotate(-90deg);mix-blend-mode:multiply}
.tag{display:inline-block;font-size:10px;letter-spacing:.12em;text-transform:uppercase;color:var(--ok);margin-right:6px}
.tag.custom{color:var(--warn)}
.sw{display:flex;flex-direction:column;align-items:center;gap:8px;padding:4px 0;font-size:11.5px;text-align:center;line-height:1.3}
.sw i{width:46px;height:46px;border-radius:50%;background-size:cover;background-position:center;box-shadow:inset 0 0 0 1px rgba(0,0,0,.08);outline:1px solid transparent;outline-offset:3px;transition:outline-color .2s}
.sw:hover i{outline-color:#bdbab4} .sw[aria-pressed=true] i{outline-color:var(--ink)}
.sw small{color:var(--muted);font-size:10px;letter-spacing:.06em}
.sw:disabled{opacity:.25;cursor:not-allowed}
.desc{border-top:1px solid var(--line);padding-top:16px;font-size:13.5px;color:var(--ink2);margin-top:18px}
.texstrip{height:34px;background-size:auto 100%;background-repeat:repeat-x;margin-top:12px}
.fonts{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}
.fonts .opt{padding:10px 12px;font-size:21px;line-height:1.3;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.fonts .opt em{font:400 10px var(--sans);color:var(--muted);display:block;font-style:normal;letter-spacing:.14em;text-transform:uppercase}
.bar{position:fixed;bottom:0;left:0;right:0;z-index:30;background:#fff;border-top:1px solid var(--line)}
.bar .wrap{display:flex;align-items:center;gap:22px;min-height:84px;flex-wrap:wrap;padding-top:10px;padding-bottom:10px;max-width:none}
.bar .price{font:400 26px/1 var(--sans)}
.bar .info{font-size:12.5px;color:var(--muted);flex:1;min-width:200px}

/* ── Design / certificate page ───────── */
.cert .head{text-align:center;padding:80px 24px 30px}
.cert .head h1{font-size:clamp(44px,7vw,92px);line-height:1;margin:18px 0 16px}
.cert .head .dob{color:var(--ink2);font-size:14px}
.menh{display:inline-flex;align-items:center;gap:12px;margin-top:20px;font-size:13px;letter-spacing:.04em}
.menh i{width:8px;height:8px;border-radius:50%;display:inline-block}
.menh b{font-family:var(--sans);font-size:15px;font-weight:500}
.alts{display:flex;justify-content:center;gap:28px;margin-top:34px;flex-wrap:wrap}
.alts button{font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--muted);padding-bottom:6px;border-bottom:1px solid transparent}
.alts button[aria-pressed=true]{color:var(--ink);border-color:var(--ink)}
.cert .scene{background:var(--stone);padding:50px 6vw 34px}
.cert .scene .pen{max-width:1100px;margin:0 auto}
.cert .zoomwrap{max-width:640px;margin:18px auto 0}
.cert .zoomwrap .lbl{text-align:center;margin-top:8px;color:var(--muted)}
.spec{display:grid;grid-template-columns:repeat(6,1fr);border-bottom:1px solid var(--line)}
.spec div{padding:22px 24px;border-right:1px solid var(--line)} .spec div:last-child{border-right:0}
.spec small{display:block;font-size:10px;letter-spacing:.2em;text-transform:uppercase;color:var(--muted);margin-bottom:6px}
.spec b{font-weight:400;font-size:14px}
.why{display:grid;grid-template-columns:1fr 1.6fr;gap:64px;padding:96px 0;border-bottom:1px solid var(--line)}
.why>div:first-child{position:sticky;top:110px;align-self:start}
.why h2{font-size:clamp(30px,3.4vw,46px);line-height:1.12}
.reasons{list-style:none;margin:0;padding:0;counter-reset:r}
.reasons li{display:grid;grid-template-columns:56px 1fr;gap:10px;padding:26px 0;border-top:1px solid var(--line)}
.reasons li:last-child{border-bottom:1px solid var(--line)}
.reasons li::before{counter-increment:r;content:'0' counter(r);font:400 13px var(--sans);letter-spacing:.1em;color:var(--muted);padding-top:6px}
.reasons small{font-size:10.5px;letter-spacing:.2em;text-transform:uppercase;color:var(--blue)}
.reasons h4{font-size:17px;margin:6px 0 8px}
.reasons p{margin:0;color:var(--ink2);font-size:14px}
.buy{display:grid;grid-template-columns:1fr auto;gap:30px;align-items:end;padding:64px 0;border-bottom:1px solid var(--line)}
.buy .price{font:300 42px/1 var(--sans);margin:12px 0 10px}
.buy .muted{font-size:13.5px}
.buy .actions{display:flex;flex-wrap:wrap;gap:10px;justify-content:flex-end}
.real{display:grid;grid-template-columns:180px 1fr;gap:28px;align-items:center;padding:36px 0;border-bottom:1px solid var(--line)}
.real .img{position:relative;background:var(--stone);aspect-ratio:1;overflow:hidden}
.real .img img{position:absolute;inset:6%;width:88%;height:88%;object-fit:contain;mix-blend-mode:multiply}
.real b{font-family:var(--sans);font-weight:500;font-size:16px;display:block;margin:8px 0}
.real p{margin:0 0 12px;color:var(--muted);font-size:13.5px}

/* ── Checkout ────────────────────────── */
.co{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,1fr);border-bottom:1px solid var(--line)}
.co form{padding:64px 64px 100px 32px;max-width:760px;justify-self:end;width:100%}
.sum{background:var(--stone);padding:64px 40px}
.sum .inner{position:sticky;top:110px;max-width:460px}
.sum .line{display:flex;justify-content:space-between;gap:16px;font-size:13.5px;padding:12px 0;border-bottom:1px solid var(--line)}
.sum .total{font:500 18px var(--sans);border-bottom:0;padding-top:18px}
.pay{display:grid;gap:8px}
.pay label{display:flex;gap:14px;align-items:flex-start;border:1px solid var(--line);padding:16px;background:#fff;cursor:pointer;transition:border-color .2s}
.pay label:has(input:checked){border-color:var(--ink);box-shadow:inset 0 0 0 1px var(--ink)}
.pay input{accent-color:var(--blue);margin-top:5px}
.done{text-align:center}
.done .code{font:300 38px var(--sans);letter-spacing:.12em;margin:10px 0}
.qr{width:240px;margin:20px auto;border:1px solid var(--line)}

/* ── Misc ────────────────────────────── */
.loading{min-height:64vh;display:grid;place-items:center;text-align:center;padding:40px}
.loading .ring{width:56px;height:56px;margin:0 auto 22px;border:1px solid var(--line);border-top-color:var(--blue);border-radius:50%;animation:spin 1.1s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.toast{position:fixed;left:50%;bottom:100px;transform:translateX(-50%);background:var(--ink);color:#fff;padding:12px 22px;font-size:13px;z-index:60;letter-spacing:.02em}

@media (max-width:980px){
  .wrap{padding:0 20px}
  .top .wrap{height:64px} .top nav{gap:16px} .top nav a{font-size:10.5px;letter-spacing:.12em} .logo img{height:28px}
  .split,.story,.why,.co,.studio{grid-template-columns:1fr}
  .split a{padding:56px 24px} .split a:first-child{border-right:0;border-bottom:1px solid var(--line)}
  .facts{grid-template-columns:repeat(2,1fr);gap:30px 0}
  .facts div:nth-child(2){border-right:0}
  .stage{position:sticky;top:64px;z-index:10;height:auto;min-height:0;padding:14px 12px 12px}
  .stage .zoom,.stage .desc-line{display:none} .stage .name h2{font-size:22px;margin-top:2px} .photo{height:150px} .photo img{height:560px}
  .side{padding:0 20px 150px}
  .spec{grid-template-columns:repeat(3,1fr)} .spec div:nth-child(3){border-right:0} .spec div:nth-child(-n+3){border-bottom:1px solid var(--line)}
  .why{padding:60px 0;gap:24px} .why>div:first-child{position:static}
  .buy{grid-template-columns:1fr} .buy .actions{justify-content:flex-start}
  .co form{padding:44px 20px 60px;justify-self:stretch} .sum{padding:40px 20px}
  .foot .wrap{grid-template-columns:1fr}
}
@media (max-width:520px){
  .top nav a.hide-sm,.strip .hide-sm{display:none} .strip{font-size:9.5px;letter-spacing:.16em}
  .hero{padding:56px 0 40px} .sw i{width:40px;height:40px} .sw small{display:none}
  .fonts{grid-template-columns:1fr}
  .bar .price{font-size:22px} .bar .info{order:3;flex-basis:100%;min-width:0;margin-top:-6px} .bar .btn{flex:1}
  .story .tex{gap:8px 6px} .story .tex figcaption{display:none}
  .real{grid-template-columns:110px 1fr;gap:16px}
  .spec{grid-template-columns:repeat(2,1fr)} .spec div{border-right:1px solid var(--line)!important;border-bottom:1px solid var(--line)} .spec div:nth-child(2n){border-right:0!important}
}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}
@media print{.strip,.top,.bar,.buy .actions,.alts,.foot{display:none!important}}

/* ── Hỏi từng bước kiểu Typeform (Curator & Studio) ── */
.paths2{display:flex;gap:30px;justify-content:center;flex-wrap:wrap;margin-top:30px}
.paths2 a{display:flex;flex-direction:column;align-items:center;gap:10px;text-decoration:none}
.paths2 small{font-size:12px;color:var(--muted);letter-spacing:.02em}
.tf{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,1fr);min-height:calc(100vh - 111px)}
.tf-stage{position:sticky;top:76px;height:calc(100vh - 111px);background:var(--stone);display:flex;flex-direction:column;justify-content:center;align-items:center;gap:6px;padding:40px 4vw}
.tf-stage .pen{width:100%;max-width:880px}
.tf-stage .zoom{width:100%;max-width:420px}
.tf-name{text-align:center} .tf-name h3{font:300 clamp(26px,2.6vw,36px)/1.2 var(--serif);margin-top:8px}
.tf-price{text-align:center;margin-top:14px} .tf-price b{display:block;font:400 24px var(--sans)} .tf-price span{font-size:12.5px;color:var(--muted)}
.tf-main{display:flex;align-items:center;justify-content:center;padding:64px 56px 80px}
.tf-q{width:100%;max-width:540px;animation:tfin .45s var(--ease) both}
@keyframes tfin{from{opacity:0;transform:translateY(18px)}}
.tf-prog{display:flex;align-items:center;gap:14px;margin-bottom:34px;font-size:11px;letter-spacing:.18em;color:var(--muted)}
.tf-prog i{flex:1;height:1px;background:var(--line);position:relative}
.tf-prog i::after{content:'';position:absolute;left:0;top:0;height:1px;width:var(--p);background:var(--blue);transition:width .5s var(--ease)}
.tf-q h2{font-size:clamp(30px,3.4vw,44px);line-height:1.12;margin:14px 0 10px}
.tf-body{margin-top:28px}
.tf-input{font:300 clamp(20px,2.2vw,26px) var(--sans)!important;padding:12px 0!important}
.tf-opts{display:grid;gap:10px}
.tf-opt{display:flex;justify-content:space-between;align-items:center;text-align:left;border:1px solid var(--line);background:#fff;padding:17px 20px;font-size:15px;transition:border-color .2s,background .2s}
.tf-opt::after{content:'→';color:var(--muted);transition:transform .2s}
.tf-opt:hover{border-color:var(--ink)} .tf-opt:hover::after{transform:translateX(4px)}
.tf-opt[aria-pressed=true]{border-color:var(--ink);box-shadow:inset 0 0 0 1px var(--ink)} .tf-opt[aria-pressed=true]::after{content:'✓';color:var(--ink)}
.tf-nav{display:flex;align-items:center;gap:16px;justify-content:space-between;margin-top:44px}
.tf-nav .btn.ghost{margin-left:auto}
.tf-hint{margin-top:14px;font-size:11.5px;color:var(--muted);text-align:right}
.opts.cols .opt .thumb{min-height:72px;padding:10px 4px}
/* thanh đặt hàng luôn hiện ở trang kết quả */
.buybar{position:fixed;left:0;right:0;bottom:0;z-index:30;background:#fff;border-top:1px solid var(--line);transform:translateY(100%);transition:transform .35s var(--ease)}
.buybar.show{transform:none}
.buybar .wrap{display:flex;align-items:center;gap:18px;min-height:76px;max-width:none}
.buybar .t{flex:1;min-width:0} .buybar .t b{font:400 21px var(--sans);display:block} .buybar .t span{font-size:12px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;display:block}
/* checkout: gom mục tùy chọn */
details.more{border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin:26px 0;padding:4px 0}
details.more summary{cursor:pointer;list-style:none;padding:16px 0;font-size:11.5px;letter-spacing:.18em;text-transform:uppercase;display:flex;justify-content:space-between}
details.more summary::after{content:'+';font-size:18px;letter-spacing:0} details.more[open] summary::after{content:'−'}
details.more summary::-webkit-details-marker{display:none}
@media (max-width:980px){
  .tf{grid-template-columns:1fr;min-height:0}
  .tf-stage{position:sticky;top:64px;z-index:10;height:auto;padding:14px 12px 12px;gap:2px}
  .tf-stage .zoom,.tf-stage>.eyebrow{display:none} .tf-name h3{font-size:20px;margin-top:2px} .tf-name .eyebrow{display:none}
  .tf-price{margin-top:4px} .tf-price b{font-size:19px;display:inline;margin-right:8px} .tf-price span{font-size:11px}
  .tf-main{padding:28px 20px 56px;align-items:flex-start}
  .tf-prog{margin-bottom:22px}
  /* nút nằm ngay dưới câu hỏi — không ghim đáy để bàn phím điện thoại không che ô nhập */
  .tf-nav{margin-top:28px}
  .tf-nav .btn{flex:1;max-width:260px;margin-left:auto} .tf-nav .btn.ghost{flex:0 0 auto;padding:0 16px}
  .tf:not(.studio-tf) .tf-stage{position:static}
  .tf-hint{display:none}
  .buybar .wrap{gap:10px} .buybar .btn.ghost{display:none}
}

/* Demo khắc tên trên ảnh cận cảnh thật — mô phỏng đúng công cụ cá nhân hóa của website */
.cu{position:relative;container-type:inline-size;background:#fff;overflow:hidden;aspect-ratio:800/250}
.cu .in{position:absolute;left:0;right:0;top:50%;transform:translateY(-50%)} /* app.js đặt translateY theo vùng chữ */ /* cắt khoảng trắng, giữ đúng vị trí chữ như website */
.cu img{width:100%;display:block}
.cu-t{position:absolute;left:49.3%;top:46%;transform:translate(-50%,-50%);white-space:nowrap;font-size:3.5cqw;letter-spacing:.3cqw;line-height:1;text-shadow:rgb(130 128 124) 0 1px 1px;pointer-events:none}
.cu-t.t{letter-spacing:.06cqw;font-size:3.7cqw}
.cu.drag .cu-t{cursor:grab;touch-action:none;outline:1px dashed transparent;outline-offset:4px;padding:2px 4px}.cu.drag .cu-t:hover,.cu.drag .cu-t.on{outline-color:rgba(39,59,145,.45)}.cu.drag .cu-t.on{cursor:grabbing}
.cu-note .link{font-size:inherit;padding:0}
.cu-note{font-size:11.5px;color:var(--muted);margin-top:8px}
.fonts .opt em b{font-weight:400;color:var(--ink2)}

.chips.gender{margin-top:18px}
.lang{font:500 11px/1 var(--sans);letter-spacing:.16em;border:1px solid currentColor;background:transparent;color:inherit;padding:7px 9px;border-radius:2px;cursor:pointer}.lang:hover{background:var(--ink);color:#fff}
.payqr{margin:22px auto;max-width:340px}.payqr .qr{width:260px;height:260px;display:block;margin:0 auto 12px;border:1px solid var(--line,#e6e3de)}.wait{font-size:13px;color:var(--muted);margin-top:12px}.wait .dot{display:inline-block;width:8px;height:8px;border-radius:50%;background:#2e7d32;margin-right:8px;animation:pulse 1.2s infinite}@keyframes pulse{50%{opacity:.25}}.paid{font-size:16px;color:#2e7d32;margin:16px 0}