:root{--navy:#0a1f3c;--navy2:#123a63;--gold:#c8a45d;--gold2:#a9873f;--bg:#faf8f3;--text:#1d2939;--muted:#667085;--line:#e8e2d3;--serif:"Playfair Display",Georgia,"Times New Roman",serif;--sans:"Be Vietnam Pro",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:70px}
body{margin:0;font-family:var(--sans);background:var(--bg);color:var(--text);line-height:1.65;font-size:16px;-webkit-font-smoothing:antialiased;padding-bottom:60px}
a{color:inherit}img{max-width:100%}
.wrap{max-width:1120px;margin:0 auto;padding:0 18px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:13px 24px;border-radius:99px;font:600 15px var(--sans);text-decoration:none;border:0;cursor:pointer;background:var(--navy);color:#fff;transition:transform .12s,box-shadow .2s}
.btn:hover{transform:translateY(-1px)}.btn.sm{padding:9px 18px;font-size:14px}
.btn.gold{background:linear-gradient(135deg,#e1c383,var(--gold2));color:#2b1c00;box-shadow:0 8px 24px rgba(169,135,63,.4)}
.btn.ghost-w{background:rgba(255,255,255,.12);color:#fff;border:1px solid rgba(255,255,255,.5);backdrop-filter:blur(6px)}
.nav{position:fixed;top:0;left:0;right:0;z-index:40;transition:background .25s,box-shadow .25s;color:#fff}
.nav.solid{background:rgba(10,31,60,.96);box-shadow:0 4px 20px rgba(0,0,0,.25);backdrop-filter:blur(8px)}
.nav .in{max-width:1120px;margin:0 auto;padding:12px 18px;display:flex;align-items:center;gap:18px}
.logo{display:flex;align-items:center;gap:9px;text-decoration:none;font-family:var(--serif);font-size:22px;font-weight:600;letter-spacing:.3px}
.logo svg{width:28px;height:28px;fill:none;stroke:var(--gold);stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}.logo b{color:var(--gold)}
#menu{display:flex;gap:22px;margin-left:auto;font-size:14px;font-weight:500}#menu a{text-decoration:none;opacity:.85}#menu a:hover{opacity:1;color:var(--gold)}
.nav .btn.sm{background:linear-gradient(135deg,#e1c383,var(--gold2));color:#2b1c00}
@media(max-width:820px){#menu{display:none}.nav .btn.sm{margin-left:auto}.logo{font-size:19px}}
.hero{position:relative;min-height:92vh;display:flex;flex-direction:column;justify-content:flex-end;color:#fff;background:linear-gradient(180deg,rgba(10,31,60,.45),rgba(10,31,60,.2) 40%,rgba(10,31,60,.88)),url(img/cover.jpg) center/cover}
.hero-in{max-width:1120px;width:100%;margin:0 auto;padding:130px 18px 40px}
.eyebrow{margin:0 0 12px;letter-spacing:.22em;text-transform:uppercase;font-size:12px;font-weight:600;color:var(--gold)}.eyebrow.dark{color:var(--gold2)}
h1{font:600 clamp(40px,7.4vw,84px)/1.02 var(--serif);margin:0 0 18px;letter-spacing:-.5px}h1 em{color:#ecd7a4;font-weight:500}
.lead{max-width:560px;font-size:17px;opacity:.92;margin:0 0 26px}
.cta{display:flex;gap:12px;flex-wrap:wrap}.cta.c{justify-content:center}
.stats{display:grid;grid-template-columns:repeat(4,1fr);max-width:1120px;width:100%;margin:0 auto;padding:0 18px 28px;gap:10px}
.stats div{border-top:1px solid rgba(255,255,255,.35);padding-top:10px}.stats b{display:block;font:600 34px var(--serif);color:#ecd7a4}.stats span{font-size:13px;opacity:.85}
.sec{padding:84px 0}.sec.alt{background:#f2eee3}.sec.dark{background:linear-gradient(135deg,var(--navy),var(--navy2));color:#fff}
h2{font:600 clamp(30px,4.6vw,46px)/1.1 var(--serif);margin:0 0 14px;color:var(--navy)}h2.w{color:#fff}
.sub{color:var(--muted);max-width:640px;margin:0 0 30px}.sub.w{color:#d6e0ee;margin-left:auto;margin-right:auto}.center{text-align:center}
.about{max-width:760px;font-size:17px;color:#344054}
.feat{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:14px;margin-top:30px}
.feat div{background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px 14px;text-align:center;font-weight:600;font-size:14px;color:var(--navy)}
.feat svg{width:30px;height:30px;stroke:var(--gold2);fill:none;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round;display:block;margin:0 auto 8px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:22px}
.rc{background:#fff;border-radius:20px;overflow:hidden;box-shadow:0 10px 30px rgba(10,31,60,.08);display:flex;flex-direction:column;cursor:pointer;transition:transform .2s,box-shadow .2s;border:0;text-align:left;font:inherit;padding:0}
.rc:hover{transform:translateY(-4px);box-shadow:0 18px 40px rgba(10,31,60,.16)}
.rc .ph{aspect-ratio:4/3;background:#dfe6ee center/cover}
.rc .bd{padding:16px 18px 18px;display:flex;flex-direction:column;gap:6px;flex:1}
.rc h3{font:600 24px/1.15 var(--serif);margin:0;color:var(--navy)}.rc p{margin:0;font-size:13.5px;color:var(--muted)}
.rc .pr{margin-top:auto;padding-top:10px;display:flex;justify-content:space-between;align-items:baseline;border-top:1px dashed var(--line)}
.rc .pr small{color:var(--muted);font-size:12px}.rc .pr b{font:600 22px var(--serif);color:var(--gold2)}
.tabs{display:flex;gap:8px;flex-wrap:wrap;margin:6px 0 24px}
.tabs button{border:1px solid var(--line);background:#fff;padding:10px 20px;border-radius:99px;font:600 14px var(--sans);color:var(--navy);cursor:pointer}
.tabs button.on{background:var(--navy);color:#fff;border-color:var(--navy)}
.day{margin:0 0 26px}.day h3{font:600 22px var(--serif);color:var(--navy);margin:0 0 12px;padding-bottom:8px;border-bottom:2px solid var(--gold)}
.ev{display:grid;grid-template-columns:104px 1fr;gap:14px;padding:9px 0;border-bottom:1px solid #eee8d8;font-size:14.5px}
.ev b{color:var(--gold2);font-weight:700;font-size:13.5px}.ev.p{display:block}
@media(max-width:560px){.ev{grid-template-columns:84px 1fr;gap:10px}}
details.fold{margin:18px 0;background:#fff;border:1px solid var(--line);border-radius:16px;padding:0 16px}
details.fold summary{padding:14px 0;font-weight:600;color:var(--navy);cursor:pointer;list-style:none;display:flex;justify-content:space-between}
details.fold summary::after{content:"+";color:var(--gold2);font-size:20px;line-height:1}details.fold[open] summary::after{content:"–"}
.strip{display:flex;gap:10px;overflow-x:auto;scroll-snap-type:x mandatory;padding:4px 0 16px;-webkit-overflow-scrolling:touch}
.strip img{height:340px;width:auto;border-radius:12px;scroll-snap-align:start;cursor:zoom-in;flex:none;border:1px solid var(--line);background:#fff}
@media(max-width:560px){.strip img{height:260px}}
.two{display:grid;grid-template-columns:1fr 1fr;gap:34px}@media(max-width:760px){.two{grid-template-columns:1fr}}
.list{list-style:none;margin:6px 0 0;padding:0}.list li{padding:8px 0 8px 28px;position:relative;border-bottom:1px solid var(--line);font-size:14.5px}
.list li::before{content:"";position:absolute;left:2px;top:15px;width:12px;height:7px;border-left:2px solid #2f9e5f;border-bottom:2px solid #2f9e5f;transform:rotate(-45deg)}
.list.no li::before{border:0;width:12px;height:2px;background:#b42318;transform:none;top:19px}
footer{background:#071730;color:#b9c6d8;padding:34px 0 20px;font-size:14px}footer .wrap{display:flex;flex-direction:column;gap:6px}footer b{color:#fff}footer a{color:var(--gold)}footer small{opacity:.65;margin-top:8px}
.mbar{position:fixed;left:0;right:0;bottom:0;z-index:35;display:none;gap:1px;background:#fff;box-shadow:0 -6px 20px rgba(0,0,0,.15)}
.mbar a{flex:1;text-align:center;padding:15px;text-decoration:none;font-weight:700;background:var(--navy);color:#fff}.mbar a.g{background:linear-gradient(135deg,#e1c383,var(--gold2));color:#2b1c00}
@media(max-width:820px){.mbar{display:flex}}@media(min-width:821px){body{padding-bottom:0}}
.lb{position:fixed;inset:0;z-index:80;background:rgba(5,12,24,.94);display:flex;align-items:center;justify-content:center}.lb[hidden],.modal[hidden]{display:none}
.lb img{max-width:92vw;max-height:88vh;border-radius:8px}
.lb button{position:absolute;background:rgba(255,255,255,.14);color:#fff;border:0;width:46px;height:46px;border-radius:50%;font-size:28px;cursor:pointer}
.lb-x{top:16px;right:16px}.lb-p{left:12px}.lb-n{right:12px}
.modal{position:fixed;inset:0;z-index:60;background:rgba(10,31,60,.65);display:flex;align-items:center;justify-content:center;padding:14px;backdrop-filter:blur(3px)}
.modal .box{background:#fff;border-radius:22px;max-width:760px;width:100%;max-height:92vh;overflow:auto;padding:22px}
.modal h3{font:600 30px/1.1 var(--serif);color:var(--navy);margin:0 40px 6px 0}.modal .x{position:sticky;float:right;top:0;border:0;background:#eef2f7;width:38px;height:38px;border-radius:50%;font-size:22px;cursor:pointer}
.pt{width:100%;border-collapse:collapse;margin:14px 0}.pt td{padding:10px 0;border-bottom:1px solid var(--line)}.pt td:last-child{text-align:right;font:600 20px var(--serif);color:var(--gold2)}
.am{columns:2;font-size:13.5px;color:#344054;margin:6px 0 16px;padding:0;list-style:none}@media(max-width:560px){.am{columns:1}}
.rv{opacity:0;transform:translateY(18px);transition:opacity .7s,transform .7s}.rv.on{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.rv{opacity:1;transform:none;transition:none}html{scroll-behavior:auto}}
.logo span,.nav .btn{white-space:nowrap}.hero .eyebrow{color:#ecd7a4;text-shadow:0 1px 8px rgba(0,0,0,.5)}
@media(max-width:520px){.nav .btn.sm{padding:8px 14px;font-size:13px}.logo{font-size:17px}.logo svg{width:24px;height:24px}}
i[data-s]{font-style:normal}
.logo-img{height:38px;width:auto;max-width:160px;object-fit:contain;display:block}

/* Typography chuyên nghiệp: tiêu đề Playfair, nội dung Be Vietnam Pro, số liệu dùng sans */
body{font-feature-settings:"kern","liga";letter-spacing:.005em}
h1{font-weight:600;font-size:clamp(34px,6vw,68px);line-height:1.12;letter-spacing:-.015em}
h1 em{font-style:normal;font-weight:500;color:#ecd7a4}
h2{font-weight:600;line-height:1.18;letter-spacing:-.01em;font-size:clamp(28px,4vw,40px)}
.rc h3,.modal h3,.day h3{font-weight:600;letter-spacing:-.005em}.rc h3{font-size:21px}.modal h3{font-size:26px}.day h3{font-size:20px}
.logo{font-weight:600;letter-spacing:.02em;font-size:20px}
.stats b,.rc .pr b,.pt td:last-child{font-family:var(--sans);font-weight:700;letter-spacing:-.01em;font-variant-numeric:tabular-nums}
.stats b{font-size:30px}.rc .pr b{font-size:19px}.pt td:last-child{font-size:17px}
.eyebrow{font-weight:600;letter-spacing:.2em}
.lead,.about{font-weight:400;line-height:1.7}