:root{
  --navy:#1c2b39; --navy-2:#142029; --navy-3:#263a4c;
  --gold:#f5a70a; --gold-2:#d98f00; --gold-soft:#f8e3b0;
  --ivory:#faf7f1; --paper:#fff; --ink:#1f2933; --muted:#667180; --line:#e9e2d3;
  --radius:4px; --shadow:0 18px 50px rgba(20,32,41,.14);
  --serif:"Playfair Display",Georgia,"Times New Roman",serif; --sans:"Be Vietnam Pro",system-ui,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--sans);color:var(--ink);background:var(--ivory);line-height:1.7;font-size:16px;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.wrap{max-width:1180px;margin:0 auto;padding:0 18px}
section{padding:92px 0}
h1,h2,h3{font-family:var(--serif);font-weight:600;line-height:1.2;letter-spacing:.2px;color:var(--navy)}
.eyebrow{display:inline-block;font-size:12.5px;letter-spacing:3px;text-transform:uppercase;color:var(--gold-2);font-weight:600;margin-bottom:14px}
.eyebrow:before,.eyebrow:after{content:"";display:inline-block;width:28px;height:1px;background:var(--gold);vertical-align:middle;margin:0 12px}
.center{text-align:center}
.h2{font-size:clamp(28px,3.6vw,44px);margin-bottom:16px}
.lead{max-width:700px;margin:0 auto;color:var(--muted);font-size:17px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:15px 34px;font-family:var(--sans);font-weight:600;font-size:14px;letter-spacing:1.4px;text-transform:uppercase;border:1px solid var(--gold);cursor:pointer;transition:.3s;border-radius:var(--radius)}
.btn-gold{background:var(--gold);color:var(--navy-2)}
.btn-gold:hover{background:var(--gold-2);border-color:var(--gold-2)}
.btn-line{background:transparent;color:#fff;border-color:rgba(255,255,255,.55)}
.btn-line:hover{background:#fff;color:var(--navy)}
.btn-dark{background:var(--navy);color:#fff;border-color:var(--navy)}
.btn-dark:hover{background:var(--navy-3)}

/* header */
.topbar{background:var(--navy-2);color:#cdd5dc;font-size:13px;padding:8px 0}
.topbar .wrap{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}
.topbar a:hover{color:var(--gold)}
header.site{position:sticky;top:0;z-index:60;background:rgba(250,247,241,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:82px;gap:20px}
.brand{display:flex;align-items:center;gap:14px}
.brand img{width:52px;height:52px}
.brand b{font-family:var(--serif);font-size:25px;color:var(--navy);display:block;line-height:1}
.brand small{font-size:10.5px;letter-spacing:3px;text-transform:uppercase;color:var(--gold-2)}
.menu{display:flex;gap:30px;font-size:14px;font-weight:500;letter-spacing:.4px}
.menu a{position:relative;padding:6px 0}
.menu a:after{content:"";position:absolute;left:0;bottom:0;width:0;height:1px;background:var(--gold);transition:.3s}
.menu a:hover:after,.menu a.on:after{width:100%}
.burger{display:none;background:none;border:0;font-size:28px;color:var(--navy);cursor:pointer}

/* hero */
.hero{background:radial-gradient(1000px 520px at 85% 0%,#2b4258 0%,transparent 60%),linear-gradient(160deg,var(--navy) 0%,var(--navy-2) 100%);color:#fff;padding:96px 0 110px;position:relative;overflow:hidden}
.hero .wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:60px;align-items:center}
.hero h1{color:#fff;font-size:clamp(36px,5vw,64px);margin-bottom:22px}
.hero h1 em{color:var(--gold);font-style:italic}
.hero p.sub{font-size:18px;color:#d4dbe2;max-width:540px;margin-bottom:34px}
.hero .cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:38px}
.hero .facts{display:flex;flex-wrap:wrap;gap:30px;font-size:14px;color:#c4ccd4;border-top:1px solid rgba(255,255,255,.14);padding-top:24px}
.hero .facts b{display:block;font-family:var(--serif);font-size:22px;color:var(--gold);font-weight:600}

/* framed canvas placeholder */
.canvas{position:relative;background:linear-gradient(135deg,#2c445a,#1b2c3b 55%,#3a2e1a);aspect-ratio:4/5;display:flex;align-items:flex-end;justify-content:center;color:#e8d9b1;text-align:center;overflow:hidden}
.canvas img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.canvas .cap{position:relative;z-index:1;width:100%;padding:34px 16px 16px;background:linear-gradient(0deg,rgba(14,22,28,.82),transparent);font-size:13px;letter-spacing:1px}
.canvas .ph{position:absolute;top:50%;left:50%;transform:translate(-50%,-60%);font-family:var(--serif);font-size:64px;color:rgba(245,167,10,.35)}
.frame{padding:16px;background:linear-gradient(135deg,#f8e3b0,#d9a21b 45%,#f5c64a 70%,#b98100);box-shadow:var(--shadow)}
.frame .inner{padding:10px;background:#fffaf0}
.hero .frame{transform:rotate(1.2deg)}
.tag-float{position:absolute;left:-18px;bottom:30px;background:var(--paper);color:var(--navy);padding:14px 20px;box-shadow:var(--shadow);font-size:13px;border-left:3px solid var(--gold)}
.tag-float b{display:block;font-family:var(--serif);font-size:18px}
.hero .vis{position:relative}

/* strip */
.strip{background:var(--paper);border-bottom:1px solid var(--line);padding:0}
.strip .wrap{display:grid;grid-template-columns:repeat(4,1fr)}
.strip .it{padding:30px 22px;text-align:center;border-right:1px solid var(--line)}
.strip .it:last-child{border-right:0}
.strip b{display:block;font-family:var(--serif);font-size:18px;color:var(--navy);margin-bottom:4px}
.strip span{font-size:14px;color:var(--muted)}

/* collections */
.cols{display:grid;grid-template-columns:repeat(3,1fr);gap:30px;margin-top:54px}
.col{background:var(--paper);border:1px solid var(--line);transition:.35s}
.col:hover{transform:translateY(-8px);box-shadow:var(--shadow)}
.col .canvas{aspect-ratio:4/3}
.col .body{padding:26px 26px 30px}
.col h3{font-size:23px;margin-bottom:10px}
.col p{color:var(--muted);font-size:15px;margin-bottom:16px}
.col .more{font-size:13px;letter-spacing:1.6px;text-transform:uppercase;color:var(--gold-2);font-weight:600}
.col .more:after{content:" →"}

/* split */
.split{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center}
.split.rev .txt{order:2}
.split .txt p{color:var(--muted);margin-bottom:16px}
.ticks{list-style:none;margin:22px 0 30px}
.ticks li{padding:10px 0 10px 34px;position:relative;border-bottom:1px solid var(--line);font-size:15.5px}
.ticks li:before{content:"";position:absolute;left:4px;top:19px;width:14px;height:8px;border-left:2px solid var(--gold);border-bottom:2px solid var(--gold);transform:rotate(-45deg)}
.dark{background:var(--navy);color:#cdd5dc}
.dark h2,.dark h3{color:#fff}
.dark .lead,.dark .txt p{color:#b4bfc9}

/* steps */
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:22px;margin-top:56px;counter-reset:s}
.step{text-align:center;position:relative;padding:0 6px}
.step:before{counter-increment:s;content:counter(s,decimal-leading-zero);display:block;font-family:var(--serif);font-size:44px;color:var(--gold);margin-bottom:10px}
.step h3{font-size:18px;color:#fff;margin-bottom:8px}
.step p{font-size:14px;color:#aab6c1}

/* faq */
.faq{max-width:820px;margin:46px auto 0}
.faq details{border-bottom:1px solid var(--line);padding:20px 0}
.faq summary{cursor:pointer;font-family:var(--serif);font-size:20px;color:var(--navy);list-style:none;display:flex;justify-content:space-between;gap:16px}
.faq summary:after{content:"+";color:var(--gold-2);font-size:26px;line-height:1}
.faq details[open] summary:after{content:"–"}
.faq p{color:var(--muted);margin-top:12px}

/* page head */
.pagehead{background:linear-gradient(160deg,var(--navy),var(--navy-2));color:#fff;padding:78px 0 70px;text-align:center}
.pagehead h1{color:#fff;font-size:clamp(32px,4.4vw,52px);margin-bottom:14px}
.pagehead p{color:#c4ccd4;max-width:680px;margin:0 auto}
.crumbs{font-size:13px;color:#9fb0bf;margin-bottom:18px}
.crumbs a:hover{color:var(--gold)}

/* gallery */
.gal{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin-top:46px}
.gal .canvas{aspect-ratio:3/4}
.note{max-width:760px;margin:36px auto 0;text-align:center;font-size:14px;color:var(--muted);border:1px dashed #d9cfb8;padding:16px 20px;background:#fffdf7}

/* cta */
.cta-band{background:linear-gradient(120deg,var(--navy-2),var(--navy-3));color:#fff;padding:78px 0;text-align:center}
.cta-band h2{color:#fff;margin-bottom:12px}
.cta-band p{color:#c4ccd4;margin-bottom:28px}

/* form */
.form-wrap{display:grid;grid-template-columns:.85fr 1.15fr;gap:60px;align-items:start}
.info p{color:var(--muted);margin-bottom:18px}
.info .row{display:flex;gap:16px;padding:16px 0;border-bottom:1px solid var(--line)}
.info .row i{font-style:normal;width:44px;height:44px;flex:none;border:1px solid var(--gold);display:flex;align-items:center;justify-content:center;color:var(--gold-2);font-size:18px}
.info .row b{display:block;font-family:var(--serif);color:var(--navy);font-size:17px}
.info .row span,.info .row a{color:var(--muted);font-size:15px}
form.q{background:var(--paper);border:1px solid var(--line);padding:42px;box-shadow:var(--shadow)}
form.q h2{font-size:28px;margin-bottom:6px}
form.q .hint{color:var(--muted);font-size:14px;margin-bottom:26px}
.f2{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:16px}
.f1{margin-bottom:16px}
.fld label{display:block;font-size:12.5px;letter-spacing:1.2px;text-transform:uppercase;color:var(--navy);font-weight:600;margin-bottom:7px}
.fld input,.fld select,.fld textarea{width:100%;font:inherit;font-size:15px;padding:13px 15px;border:1px solid #d9d1bf;background:#fffdf8;border-radius:var(--radius);outline:none;transition:.2s}
.fld textarea{min-height:110px;resize:vertical}
.fld input:focus,.fld select:focus,.fld textarea:focus{border-color:var(--gold);box-shadow:0 0 0 3px rgba(245,167,10,.18)}
.hp{position:absolute;left:-9999px;opacity:0}
.consent{display:flex;gap:10px;font-size:13.5px;color:var(--muted);margin:6px 0 22px}
.consent input{margin-top:4px;accent-color:var(--gold-2)}
.msg{display:none;margin-top:16px;padding:14px 16px;font-size:15px}
.msg.ok{display:block;background:#eaf6ee;color:#1b6b3c;border:1px solid #b9dfc6}
.msg.err{display:block;background:#fbeeee;color:#9b2c2c;border:1px solid #efc7c7}

/* footer */
footer.site{background:var(--navy-2);color:#aab6c1;padding:70px 0 100px;font-size:15px}
footer .grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px}
footer h4{font-family:var(--serif);color:#fff;font-size:18px;margin-bottom:16px;font-weight:600}
footer p,footer li{margin-bottom:9px}
footer ul{list-style:none}
footer a:hover{color:var(--gold)}
footer .brand b{color:#fff}
footer .copy{border-top:1px solid #2a3a48;margin-top:46px;padding-top:22px;text-align:center;font-size:13px;color:#7d8c99}

/* floating */
.float{position:fixed;right:16px;bottom:18px;z-index:70;display:flex;flex-direction:column;gap:12px}
.float a{width:56px;height:56px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:13px;box-shadow:0 10px 24px rgba(0,0,0,.28);transition:.2s}
.float a:hover{transform:scale(1.08)}
.float .tel{background:var(--gold);color:var(--navy-2);font-size:22px}
.float .zalo{background:#0068ff}

@media (max-width:1000px){
  section{padding:70px 0}
  .menu{display:none;position:absolute;top:82px;left:0;right:0;background:var(--ivory);flex-direction:column;gap:0;border-bottom:1px solid var(--line)}
  .menu.open{display:flex}.menu a{padding:16px 18px;border-top:1px solid var(--line)}
  .burger{display:block}
  .hero .wrap,.split,.form-wrap{grid-template-columns:1fr;gap:44px}
  .split.rev .txt{order:0}
  .cols{grid-template-columns:1fr 1fr}
  .gal{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr);row-gap:36px}
  .strip .wrap{grid-template-columns:1fr 1fr}
  .strip .it:nth-child(2){border-right:0}.strip .it:nth-child(-n+2){border-bottom:1px solid var(--line)}
  footer .grid{grid-template-columns:1fr 1fr}
  .tag-float{left:8px}
}
@media (max-width:620px){
  .tag-float{display:none}
  .hero{padding:64px 0 76px}
  .cols,.gal{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .f2{grid-template-columns:1fr}
  form.q{padding:28px 20px}
  footer .grid{grid-template-columns:1fr}
  .topbar .wrap{justify-content:center;text-align:center}
  .brand b{font-size:21px}
}