@import url('https://fonts.googleapis.com/css2?family=Be+Vietnam+Pro:wght@400;500;600;700&family=Source+Serif+4:ital,wght@0,400;0,500;0,600;1,400;1,500&display=swap');
:root{--forest:#153b2c;--ink:#19372b;--brand-muted:#647067;--line:#dbe2da;--paper:#fff;--soft:#f5f7f1;--lime:#deecb6;--gold:#c1a579;--sans:'Be Vietnam Pro',Arial,sans-serif;--serif:'Source Serif 4',Georgia,serif}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;color:var(--ink);background:var(--paper);font-family:var(--sans);font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button{font:inherit}a,button,summary{-webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid #92a34f;outline-offset:6px}h1,h2,h3,p{margin:0}h1,h2,h3{font-weight:400}img{display:block;max-width:100%}.container{width:min(1280px,calc(100% - 112px));margin-inline:auto}.section{padding:100px 0}.eyebrow{font-size:13px;letter-spacing:.16em;font-weight:600;margin-bottom:22px;color:#527348}.skip-link{position:fixed;top:-100px;left:15px;background:#fff;z-index:50;padding:10px}.skip-link:focus{top:10px}
.header{position:sticky;top:0;background:#fff;z-index:20;border-bottom:1px solid #e6ebe5}.header-inner{min-height:98px;display:flex;align-items:center;justify-content:space-between;gap:30px}.brand{display:inline-flex;align-items:center;gap:14px;flex-shrink:0}.brand-mark{display:flex;align-items:center;justify-content:center;position:relative;width:48px;height:52px;color:var(--forest);border:1px solid #b4c1a7;border-radius:50% 50% 4px 4px;font-family:var(--serif);font-size:31px;line-height:1}.brand-mark span{font-size:19px;align-self:flex-end;margin:0 0 10px -3px}.brand-text{display:flex;flex-direction:column;line-height:1.15;gap:5px}.brand-text>span{font-size:12px;letter-spacing:.23em}.brand-text strong{font-family:var(--serif);font-size:24px;font-weight:600;letter-spacing:.02em}.nav{display:flex;gap:32px;align-items:center;font-size:14px}.nav a{position:relative;padding:8px 0}.nav a:after{content:'';position:absolute;height:1px;left:0;bottom:3px;width:0;background:var(--forest);transition:width .2s}.nav a:hover:after{width:100%}.header-cta{padding:12px 19px;border:1px solid #bdcbbb;font-size:14px;border-radius:4px;white-space:nowrap}.header-cta span{margin-left:18px;font-size:19px}.header-cta:hover{background:var(--soft)}.menu-toggle{display:none}
.hero{position:relative;min-height:670px;background:#10291e;color:#fff;overflow:hidden}.hero-image{position:absolute;right:0;top:0;width:76%;height:100%;object-fit:cover;object-position:62% 56%}.hero-shade{position:absolute;inset:0;background:linear-gradient(90deg,#10291e 6%,rgba(16,41,30,.94) 26%,rgba(16,41,30,.4) 50%,rgba(16,41,30,0) 80%)}.hero-inner{position:relative;min-height:670px;display:flex;flex-direction:column;justify-content:space-between;padding-top:91px;padding-bottom:25px}.hero-copy{max-width:615px}.eyebrow.light{color:#d0dcb9;margin-bottom:26px;font-size:12px}.hero h1{font-family:var(--serif);font-size:clamp(44px,4.7vw,70px);line-height:1.14;letter-spacing:-.025em}.hero h1 em{color:var(--lime);font-weight:400}.hero-description{max-width:475px;margin:26px 0 31px;color:#e0e6df;line-height:1.9;font-size:16px}.button{display:inline-flex;gap:31px;align-items:center;justify-content:space-between;border-radius:4px;font-size:14px;font-weight:500;padding:15px 24px;transition:background .2s,transform .2s}.button span{font-size:21px;line-height:1}.button-light{background:var(--lime);color:#203b28}.button-light:hover{background:#f1f9db;transform:translateY(-2px)}.hero-bottom{display:flex;align-items:center;justify-content:space-between;border-top:1px solid #ffffff30;padding-top:20px;margin-top:62px;gap:20px}.hero-bottom>span{font-size:12px;letter-spacing:.18em;color:#ced7c7}.hero-bottom a{font-size:13px}.hero-bottom a span{margin-left:23px;font-size:18px}
h2{font-family:var(--serif);font-size:clamp(32px,3.1vw,45px);line-height:1.3;letter-spacing:-.02em}.intro-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:110px}.intro-copy{padding-top:3px}.intro-copy p{color:var(--brand-muted);margin-bottom:17px;font-size:16px;line-height:1.95}.text-link{display:inline-flex;align-items:center;gap:24px;padding:8px 0 5px;font-size:14px;font-weight:500;border-bottom:1px solid #718d68}.text-link:hover{color:#6d783a}.products{background:var(--soft)}.section-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:40px;margin-bottom:46px}.section-heading>p{color:var(--brand-muted);font-size:14px;line-height:1.85;max-width:340px}.section-heading .eyebrow{margin-bottom:15px}.product-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:19px;align-items:start}.product-card{padding:25px 23px 0;border:1px solid #dce3d7;border-radius:7px;background:#fff;overflow:hidden;min-width:0}.card-top{display:flex;justify-content:space-between;gap:9px;align-items:center}.category{font-size:12px;font-weight:500;letter-spacing:.07em;line-height:1.65}.index{font-family:var(--serif);font-size:18px;color:#a2ad9c}.card-symbol{width:73px;height:73px;display:flex;align-items:center;justify-content:center;border-radius:50%;background:#edf2e4;margin:41px 0 30px;color:#577649}.card-symbol svg{width:38px;height:38px;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;fill:none}.heart .card-symbol{background:#f6ede3;color:#a07548}.kidney .card-symbol{background:#e9f2f0;color:#437c74}.joint .card-symbol{background:#eff0e4;color:#7a813c}.product-card h3{font-family:var(--serif);font-size:26px;line-height:1.3;letter-spacing:-.02em;min-height:68px;display:flex;align-items:flex-end}.card-subtitle{font-size:13px;color:var(--brand-muted);line-height:1.85;margin-top:13px;margin-bottom:28px;min-height:48px}.product-card details{border-top:1px solid var(--line)}summary{cursor:pointer;list-style:none}summary::-webkit-details-marker{display:none}.product-card summary{font-size:12px;font-weight:500;display:flex;align-items:center;justify-content:space-between;gap:8px;padding:18px 0}.product-card summary>span{font-size:24px;font-weight:400;line-height:1;transition:transform .2s}.product-card details[open] summary>span{transform:rotate(45deg)}.product-detail{font-size:14px;line-height:1.8;color:var(--brand-muted);padding:0 0 22px}.product-detail p+p{margin-top:12px}.product-detail strong{color:var(--ink);font-weight:500}.product-note{font-size:12px;color:#66745f;margin-top:26px;line-height:1.8}.philosophy{background:#e6edda}.philosophy-inner{display:grid;grid-template-columns:1fr 1.8fr 1fr;align-items:center;gap:35px;padding-block:54px}.philosophy-label,.philosophy-end{font-size:12px;font-weight:500;letter-spacing:.1em;line-height:1.9}.philosophy-inner p{font-family:var(--serif);font-size:33px;line-height:1.35}.philosophy-inner em{color:#6f8050}.philosophy-end{justify-self:end;text-align:right}
.guide-grid{display:grid;grid-template-columns:1fr 1.35fr;gap:100px}.guide-intro{max-width:330px;color:var(--brand-muted);font-size:15px;margin-top:23px}.guidance-list{border-top:1px solid var(--line)}.guidance-list details{border-bottom:1px solid var(--line)}.guidance-list summary{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:24px 0;font-weight:500;font-size:16px}.guidance-list summary>span:first-child{display:flex;align-items:baseline;gap:25px}.guidance-list small{font-size:12px;font-weight:400;color:#839077}.plus{font-size:24px;font-weight:400;transition:transform .2s}.guidance-list details[open] .plus{transform:rotate(45deg)}.guidance-body{padding:0 36px 27px 42px;color:var(--brand-muted);font-size:15px;line-height:1.9}.footer{background:var(--forest);color:#edf2e7;padding:52px 0 0}.footer-main{display:flex;align-items:center;justify-content:space-between;gap:28px;padding-bottom:40px}.brand-footer .brand-mark{color:var(--lime);border-color:#728d67}.brand-footer .brand-text{color:#fff}.footer-main p{font-family:var(--serif);font-size:25px;line-height:1.45;color:#e1e9d6}.back-top{font-size:13px;display:flex;gap:25px;align-items:center}.back-top span{border:1px solid #6a8563;border-radius:50%;width:40px;height:40px;display:grid;place-items:center;font-size:20px}.footer-notice{border-top:1px solid #ffffff25;border-bottom:1px solid #ffffff25;display:flex;flex-direction:column;gap:8px;padding:25px 0}.footer-notice strong{font-size:13px;font-weight:400;line-height:1.8}.footer-notice>span{font-size:12px;color:#bfccba}.footer-bottom{display:flex;justify-content:space-between;gap:20px;padding:21px 0;font-size:12px;color:#bfccba}
@media(min-width:1600px){.hero-image{width:72%}.hero-shade{background:linear-gradient(90deg,#10291e 15%,rgba(16,41,30,.92) 32%,rgba(16,41,30,.25) 65%,transparent)}}
@media(max-width:1150px){.container{width:calc(100% - 64px)}.header-inner{gap:22px}.nav{gap:22px}.header-cta{display:none}.intro-grid{gap:65px}.product-grid{gap:14px}.product-card{padding:22px 18px 0}.product-card h3{font-size:24px}.category{font-size:12px;letter-spacing:.03em}.card-subtitle{font-size:12px}.guide-grid{gap:65px}.hero h1{font-size:59px}.hero-copy{max-width:570px}.hero-description{max-width:430px}.philosophy-inner{grid-template-columns:1fr 1.8fr}.philosophy-end{display:none}}
@media(max-width:900px){.section{padding:74px 0}.hero,.hero-inner{min-height:650px}.hero-image{width:95%;object-position:62% 50%;opacity:.9}.hero-shade{background:linear-gradient(90deg,rgba(16,41,30,.98),rgba(16,41,30,.65) 45%,rgba(16,41,30,.05))}.intro-grid{gap:38px;grid-template-columns:1fr 1fr}.intro-copy p{font-size:15px}.product-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.product-card{padding:25px 27px 0}.category{font-size:12px}.card-symbol{margin-top:30px;margin-bottom:20px}.product-card h3{font-size:30px;min-height:auto}.card-subtitle{font-size:14px}.product-card summary{font-size:14px}.guide-grid{gap:45px;grid-template-columns:1fr 1.3fr}.guidance-list summary{font-size:15px}.philosophy-inner p{font-size:31px}.footer-main{flex-wrap:wrap}.footer-main p{font-size:23px}}
@media(max-width:680px){html{scroll-padding-top:88px}.container{width:calc(100% - 40px)}.section{padding:60px 0}.header-inner{min-height:80px;gap:20px}.brand-mark{width:38px;height:43px;font-size:25px}.brand-mark span{font-size:16px;margin-bottom:8px}.brand-text strong{font-size:21px}.brand-text>span{font-size:12px}.brand{gap:11px}.menu-toggle{display:flex;border:1px solid #d6dfd1;width:44px;height:44px;padding:11px;background:#fff;flex-direction:column;justify-content:center;gap:7px;align-items:center;border-radius:4px;color:var(--ink)}.menu-toggle span{width:21px;height:1px;background:currentColor;transition:transform .2s}.menu-toggle[aria-expanded=true] span:first-child{transform:translateY(4px) rotate(45deg)}.menu-toggle[aria-expanded=true] span:last-child{transform:translateY(-4px) rotate(-45deg)}.nav{display:none;position:absolute;top:80px;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);padding:16px 24px 23px;flex-direction:column;align-items:stretch;gap:9px}.nav.is-open{display:flex}.nav a{font-size:16px;padding:9px 0}.hero,.hero-inner{min-height:700px}.hero-inner{padding-top:54px;padding-bottom:22px}.hero-image{width:100%;height:65%;top:auto;bottom:0;object-position:62% 70%}.hero-shade{background:linear-gradient(180deg,#10291e 4%,rgba(16,41,30,.96) 31%,rgba(16,41,30,.35) 64%,rgba(16,41,30,.15) 80%,rgba(16,41,30,.8))}.hero-copy{max-width:490px}.eyebrow.light{font-size:12px;margin-bottom:20px}.hero h1{font-size:clamp(39px,8.5vw,55px);line-height:1.2}.hero-description{font-size:15px;line-height:1.85;margin-top:21px;margin-bottom:24px;max-width:410px}.button{font-size:13px;padding:13px 20px;gap:24px}.hero-bottom{margin-top:150px;padding-top:18px}.hero-bottom>span{font-size:12px;letter-spacing:.1em}.hero-bottom a{font-size:12px}.hero-bottom a span{margin-left:9px}.intro-grid{grid-template-columns:1fr;gap:26px}.eyebrow{font-size:12px;margin-bottom:17px}.intro-copy{padding-top:0}.intro-copy p{font-size:16px}.text-link{font-size:14px;gap:15px}.section-heading{display:block;margin-bottom:30px}.section-heading>p{margin-top:18px;font-size:14px}.section-heading>p br{display:none}h2{font-size:34px}.product-grid{gap:16px}.product-card{padding:20px 18px 0}.category{font-size:12px;letter-spacing:.03em;min-height:33px;display:flex;align-items:center}.index{font-size:15px}.card-symbol{width:60px;height:60px;margin:23px 0}.card-symbol svg{width:31px;height:31px}.product-card h3{font-size:25px;min-height:67px;align-items:flex-end}.card-subtitle{font-size:13px;min-height:72px;margin-bottom:20px}.card-subtitle br{display:none}.product-card summary{font-size:12px;gap:6px;line-height:1.7}.product-detail{font-size:14px}.product-note{font-size:12px;margin-top:22px}.philosophy-inner{grid-template-columns:1fr;gap:19px;padding-block:39px}.philosophy-label{font-size:12px}.philosophy-inner p{font-size:34px}.guide-grid{grid-template-columns:1fr;gap:31px}.guide-intro{max-width:none;font-size:15px}.guidance-list summary{font-size:16px}.guidance-list summary>span:first-child{gap:18px}.guidance-body{padding-left:34px;padding-right:10px}.footer{padding-top:38px}.footer-main{display:grid;grid-template-columns:1fr auto;gap:29px;padding-bottom:31px}.footer-main p{grid-column:1;grid-row:2;font-size:23px}.back-top{font-size:0;grid-column:2;grid-row:1}.back-top span{font-size:20px}.footer-notice strong{font-size:13px}.footer-bottom{display:flex;flex-direction:column;gap:3px;font-size:12px}}
@media(max-width:390px){.product-grid{grid-template-columns:1fr}.product-card{padding-inline:24px}.product-card h3{min-height:auto;font-size:29px}.card-subtitle{min-height:auto;font-size:14px}.category{font-size:12px;min-height:0}.product-card summary{font-size:14px}.hero h1{font-size:39px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}

/* Product imagery supplied by Nhất Tâm. Original artwork is preserved. */
.product-photo{position:relative;aspect-ratio:1;margin:23px -10px 20px;background:#fff;border-radius:4px;overflow:hidden}
.product-photo img{width:100%;height:100%;object-fit:contain}
.screenshot-photo img{position:absolute;max-width:none;width:107.75%;height:auto;top:-61.96%;left:-3.87%}
.product-card .category{font-size:12px;min-height:40px;line-height:1.65}
.product-card .card-subtitle{font-size:14px;min-height:78px;line-height:1.8}
.product-card summary{font-size:14px;line-height:1.7}
.product-card h3{font-size:26px;min-height:72px}
.detail-link{text-decoration:underline;text-underline-offset:4px;color:var(--forest)}
@media(max-width:680px){.product-grid{grid-template-columns:1fr;gap:24px}.product-card{padding:24px 25px 0}.product-photo{max-width:390px;margin:12px auto 21px;width:100%}.product-card h3{min-height:0;font-size:31px}.product-card .card-subtitle{min-height:0;font-size:16px;margin-bottom:20px}.product-card .category{min-height:0;font-size:12px}.product-detail{font-size:16px}.product-card summary{font-size:14px;padding:20px 0}.hero-bottom>span{font-size:12px;max-width:135px}.hero-bottom a{font-size:12px}}

.media-section{background:#fff}.video-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:30px}.video-frame{aspect-ratio:16/9;background:#10291e;border-radius:7px;overflow:hidden}.video-frame iframe,.video-frame video{width:100%;height:100%;border:0}.video-card h3{font-family:var(--serif);font-size:27px;margin:19px 0 6px}.video-description{font-size:16px;color:var(--brand-muted);white-space:pre-line}.video-external{display:inline-block;font-size:14px;text-decoration:underline;text-underline-offset:5px;margin-top:13px}.press-card{margin-top:44px;background:#f5f7f1;border:1px solid #dbe2da;border-radius:7px;padding:32px;display:flex;align-items:center;justify-content:space-between;gap:30px}.press-card .eyebrow{margin-bottom:12px}.press-card h3{font-family:var(--serif);font-size:29px;line-height:1.4;max-width:700px}.press-card p:not(.eyebrow){font-size:14px;margin-top:13px;color:var(--brand-muted)}.press-card .text-link{flex-shrink:0}.contact{background:#f5f7f1}.contact-grid{display:grid;grid-template-columns:1fr 1.15fr;gap:90px}.contact-intro{font-size:16px;color:var(--brand-muted);max-width:400px;margin-top:20px}.contact-label{font-size:12px;letter-spacing:.14em;font-weight:600}.contact-phone{display:block;font-family:var(--serif);font-size:46px;line-height:1.3;margin:12px 0 25px}.contact-actions{display:flex;flex-wrap:wrap;gap:13px}.contact-call{background:var(--forest);color:#fff}.contact-zalo{border:1px solid #9aaf90}.contact-address{border-top:1px solid var(--line);margin-top:30px;padding-top:23px}.contact-address address{font-size:16px;font-style:normal;line-height:1.9;margin-top:10px}.footer-bottom a{text-decoration:underline;text-underline-offset:3px}
@media(max-width:900px){.contact-grid{gap:40px}.press-card{display:block}.press-card .text-link{margin-top:20px}}
@media(max-width:680px){.video-grid,.contact-grid{grid-template-columns:1fr}.video-card h3{font-size:27px}.press-card{padding:25px}.press-card h3{font-size:26px}.contact-phone{font-size:43px}.contact-grid{gap:35px}.contact-actions .button{font-size:14px}.nav{max-height:calc(100vh - 80px);overflow:auto}}