:root{--ink:#302039;--muted:#746c79;--purple:#655173;--lavender:#e8e1ee;--paper:#faf9fb;--line:#ded8e3;--white:#fff;--display:'Pridi',serif;--body:'Noto Sans Thai',sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:24px}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--body);font-size:15px;line-height:1.8}a{color:inherit;text-decoration:none}button,input{font:inherit}button,a,input{-webkit-tap-highlight-color:transparent}button{cursor:pointer}img{display:block;max-width:100%}h1,h2,h3,p{margin:0}h1,h2{font-family:var(--display);font-weight:400;line-height:1.4}h3{font-size:18px;font-weight:500;line-height:1.6}a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid #9462bb;outline-offset:5px}[hidden]{display:none!important}.skip-link{position:fixed;left:20px;top:-100px;background:white;padding:12px;z-index:20}.skip-link:focus{top:12px}.site-header{max-width:1440px;margin:auto;min-height:98px;padding:20px 5%;display:flex;align-items:center;justify-content:space-between;gap:28px;border-bottom:1px solid var(--line)}.brand{font-family:var(--body);font-size:27px;font-weight:600;letter-spacing:-1.2px;display:inline-flex;align-items:center;gap:12px}.brand-mark{width:33px;height:38px;display:grid;place-items:center;border:1px solid var(--purple);font-family:var(--display);font-size:25px;border-radius:45% 45% 3px 3px;letter-spacing:0}.site-header nav{display:flex;align-items:center;gap:32px;font-size:14px}.site-header nav a:hover,.text-link:hover{color:var(--purple);text-decoration:underline;text-underline-offset:6px}.document-link{border-left:1px solid var(--line);padding-left:30px}.hero{max-width:1440px;min-height:600px;margin:auto;padding:60px 5% 64px;display:grid;grid-template-columns:1fr 1.1fr;gap:46px;align-items:center}.eyebrow{font-size:12px;font-weight:600;letter-spacing:1px;color:var(--purple);margin-bottom:18px}.hero h1{font-size:clamp(38px,4.2vw,62px);letter-spacing:-1.4px}.hero-description{max-width:445px;color:var(--muted);margin:22px 0 30px;font-size:16px}.button{display:inline-flex;gap:26px;justify-content:center;align-items:center;background:var(--ink);color:white;padding:13px 23px;border:1px solid var(--ink);border-radius:5px;font-weight:500;font-size:14px;transition:background .2s}.button:hover{background:var(--purple)}.button-outline{background:transparent;color:var(--ink)}.button-outline:hover{color:white}.hero-note{display:flex;align-items:center;gap:12px;font-size:12px;color:var(--muted);margin-top:34px}.small-line{height:1px;width:30px;background:var(--purple)}.hero-art{position:relative;min-height:450px;background:var(--lavender);border-radius:180px 180px 10px 10px;padding:42px 24px 20px;display:flex;flex-direction:column;justify-content:center;overflow:hidden}.collection-label{text-align:center;font-size:12px;letter-spacing:1px;color:var(--purple)}.hero-art>img{width:100%;height:300px;object-fit:contain;mix-blend-mode:multiply;margin:14px 0}.art-caption{display:flex;justify-content:space-between;align-items:end;font-size:11px;color:var(--purple);padding:0 12px}.art-caption strong{font-family:var(--display);font-size:23px;font-weight:400}.collection-band{background:var(--ink);display:grid;grid-template-columns:1fr 38%;align-items:stretch;min-height:80px;overflow:hidden}.collection-band p{padding:24px 8%;font-family:var(--display);font-size:21px;color:white;align-self:center}.collection-band p span{font-size:15px;color:#d1c2da;margin-left:22px}.fabric-strip{background:none center/190px auto;opacity:.78}.section{max-width:1440px;margin:auto;padding:84px 5%}.section-heading{display:flex;align-items:end;justify-content:space-between;gap:25px;margin-bottom:32px}.section-heading h2,.story h2,.jewelry h2{font-size:38px}.section-heading .eyebrow{margin-bottom:8px}.section-heading p:not(.eyebrow){color:var(--muted);margin-top:8px}.text-link{font-size:13px;font-weight:500;white-space:nowrap}.catalog-tools{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px;border-bottom:1px solid var(--line);padding-bottom:22px}.filters{display:flex;flex-wrap:wrap;gap:8px}.filters button{background:transparent;color:var(--muted);border:1px solid var(--line);border-radius:40px;padding:8px 14px;font-size:13px;white-space:nowrap}.filters button span{font-size:10px;opacity:.7;margin-left:5px}.filters button.active{background:var(--ink);border-color:var(--ink);color:white}.filters button:hover{border-color:var(--purple)}.search{display:flex;flex-direction:column;gap:3px;font-size:11px;color:var(--muted)}.search input{background:white;border:1px solid var(--line);border-radius:5px;padding:9px 12px;color:var(--ink);width:235px;font-size:13px}.catalog-meta{display:flex;justify-content:space-between;gap:20px;font-size:11px;color:var(--muted);padding:18px 0 24px}.product-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:38px 24px}.product-image{position:relative;aspect-ratio:1/1.12;background:#fff;border:1px solid #eee9f0;overflow:hidden;border-radius:8px;padding:35px 18px 24px}.product-image img{width:100%;height:100%;object-fit:contain;transition:transform .3s}.product-card a:hover .product-image img{transform:scale(1.04)}.product-number{position:absolute;left:15px;top:12px;font-size:10px;letter-spacing:1px;color:var(--muted);z-index:1}.card-arrow{position:absolute;right:12px;bottom:12px;width:30px;height:30px;border-radius:50%;background:var(--paper);display:grid;place-items:center;transition:background .2s}.product-card a:hover .card-arrow{background:var(--lavender)}.card-copy{padding:14px 2px 0}.card-copy>p{font-size:11px;color:var(--purple);margin-bottom:4px}.card-copy h3{font-size:16px}.detail-label{font-size:11px;color:var(--muted);display:block;margin-top:10px}.detail-label span{margin-left:10px}.empty-state{text-align:center;padding:65px 15px;border:1px dashed var(--line)}.empty-state p{margin:12px 0 22px;color:var(--muted)}.story{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center;background:#eee9f2}.story-visual{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:20px;align-items:center;padding:20px 0 45px}.story-visual img{width:100%;height:270px;object-fit:cover;border-radius:100px 100px 4px 4px}.story-visual img:nth-child(2){margin-top:80px;border-radius:4px 4px 100px 100px}.story-visual span{position:absolute;left:0;bottom:0;font-size:11px;color:var(--muted)}.story-copy>p:not(.eyebrow){margin-top:22px;color:var(--muted)}.story-copy>.text-link{display:inline-block;margin-top:25px}.jewelry{display:grid;grid-template-columns:1.1fr 1fr 1fr;gap:35px;align-items:center}.jewelry p:not(.eyebrow){color:var(--muted);margin:20px 0}.jewelry-image{padding:16px;background:white;border:1px solid var(--line);border-radius:8px}.jewelry-image img{width:100%;height:270px;object-fit:contain}.source-note{text-align:center;border-top:1px solid var(--line);padding-top:48px;padding-bottom:52px}.source-note h2{font-size:30px}.source-note p{color:var(--muted);margin:12px auto 24px;max-width:620px}.site-footer{max-width:1440px;margin:auto;background:var(--ink);color:white;padding:44px 5% 24px;display:grid;grid-template-columns:1fr 1fr;gap:40px}.site-footer p{font-size:12px;margin-top:10px;color:#d1c2da}.site-footer>div:nth-child(2){text-align:right;align-self:center;font-size:14px}.footer-bottom{grid-column:1/-1;border-top:1px solid #5d4b67;padding-top:20px;font-size:10px;color:#d1c2da;display:flex;justify-content:space-between;gap:20px}.detail-main{max-width:1440px;margin:auto;padding:0 5%}.breadcrumbs{display:flex;flex-wrap:wrap;gap:10px;font-size:12px;color:var(--muted);padding:28px 0}.breadcrumbs a:hover{text-decoration:underline}.detail-layout{display:grid;grid-template-columns:1fr 1fr;gap:65px;padding:18px 0 60px;align-items:start}.detail-gallery{position:sticky;top:24px}.detail-gallery figure{margin:0 0 18px;background:white;border:1px solid var(--line);border-radius:8px;padding:38px}.detail-gallery img{width:100%;height:auto;max-height:600px;object-fit:contain}.image-caption{font-size:11px;color:var(--muted);text-align:center}.detail-copy h1{font-size:40px}.detail-intro{margin:20px 0 30px;color:var(--muted);font-size:16px}.muted{color:var(--muted);font-weight:400}.specs{margin:0;border-top:1px solid var(--line)}.specs>div{display:grid;grid-template-columns:100px 1fr;gap:15px;padding:16px 0;border-bottom:1px solid var(--line);font-size:13px}.specs dt{color:var(--muted)}.specs dd{margin:0}.detail-section{margin:28px 0}.detail-section h2{font-family:var(--body);font-size:18px;font-weight:600;margin-bottom:12px}.detail-section p{font-size:14px;color:var(--muted)}.document-note{font-size:11px;color:var(--muted);margin:16px 0;max-width:480px}.product-pagination{border-block:1px solid var(--line);padding:24px 0;display:flex;justify-content:space-between;gap:24px;font-size:13px}.product-pagination a:hover{text-decoration:underline}.related{padding:65px 0 80px}.related-grid{grid-template-columns:repeat(3,minmax(0,1fr));max-width:1000px}.related .product-image{aspect-ratio:1/1}.related .section-heading h2{font-size:32px}
.story-band{background:#eee9f2}
.footer-band{background:var(--ink)}
@media(max-width:1100px){.hero{gap:25px}.hero-art{min-height:410px}.hero-art>img{height:260px}.product-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.jewelry{grid-template-columns:1.2fr 1fr}.jewelry>a:last-child{display:none}.story{gap:35px}.detail-layout{gap:35px}.detail-copy h1{font-size:34px}.site-header nav{gap:20px}}
@media(max-width:720px){body{font-size:14px}.site-header{padding:18px 6%;gap:18px;flex-wrap:wrap}.brand{font-size:24px}.site-header nav{width:100%;justify-content:space-between;gap:10px;font-size:12px}.document-link{border:0;padding:0}.hero{grid-template-columns:1fr;padding:38px 6% 34px;gap:30px}.hero h1{font-size:43px}.hero-description{font-size:15px;margin-top:16px}.hero-note{margin-top:23px}.hero-art{min-height:340px;border-radius:140px 140px 8px 8px;padding-top:28px}.hero-art>img{height:230px}.collection-band{grid-template-columns:1fr 24%;min-height:90px}.collection-band p{font-size:18px;padding:17px 8%}.collection-band p span{display:block;margin:0;font-size:12px}.section{padding:50px 6%}.section-heading{align-items:start;flex-direction:column;gap:14px;margin-bottom:24px}.section-heading h2,.story h2,.jewelry h2{font-size:31px}.section-heading p:not(.eyebrow){font-size:13px}.product-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px 14px}.product-image{padding:30px 12px 22px}.card-copy h3{font-size:14px}.product-number{font-size:9px;left:10px;top:10px}.card-arrow{width:24px;height:24px;right:8px;bottom:8px}.catalog-tools{gap:16px}.filters{gap:7px}.filters button{font-size:12px;padding:7px 10px}.search{width:100%}.search input{width:100%;font-size:16px}.catalog-meta{font-size:10px;padding-bottom:18px}.catalog-meta>span{max-width:140px;text-align:right}.story{grid-template-columns:1fr;gap:35px}.story-visual{padding-top:0}.story-visual img{height:220px}.story-visual img:nth-child(2){margin-top:35px}.jewelry{grid-template-columns:1fr 1fr;gap:18px}.jewelry>div{grid-column:1/-1}.jewelry>a:last-child{display:block}.jewelry-image{padding:8px}.jewelry-image img{height:170px}.site-footer{padding:32px 6% 24px;grid-template-columns:1fr;gap:25px}.site-footer>div:nth-child(2){text-align:left}.footer-bottom{flex-wrap:wrap;gap:8px}.detail-main{padding:0 6%}.breadcrumbs{font-size:10px;padding:20px 0}.detail-layout{grid-template-columns:1fr;gap:30px;padding-top:4px}.detail-gallery{position:static}.detail-gallery figure{padding:28px}.detail-gallery img{max-height:390px}.detail-copy h1{font-size:34px}.detail-intro{font-size:15px}.specs>div{grid-template-columns:85px 1fr}.product-pagination{font-size:12px}.product-pagination a{max-width:45%}.product-pagination a:last-child{text-align:right}.related{padding-top:40px}.related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.related .section-heading h2{font-size:28px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}

/* Shared NPU identity, adapted for the NagaLink lavender palette. */
.npu-logo{display:flex;align-items:center;justify-content:center;flex-shrink:0;width:48px;height:48px;border-radius:12px;background:var(--lavender)}
.npu-logo img{height:72px;width:auto;max-width:none;object-fit:contain}
.brand-text{display:flex;flex-direction:column;line-height:1.3}
.brand-university{font-size:11px;font-weight:400;letter-spacing:0;color:var(--muted);margin-top:5px}
.hero-band,.footer-band{background-color:#eee8f4;background-image:url('research-pattern.svg');background-repeat:no-repeat;background-position:center bottom;background-size:100% auto}
.hero-art{background:rgba(232,225,238,.78)}
.site-footer{background:transparent;color:var(--ink)}
.site-footer p,.footer-bottom{color:var(--purple)}
.footer-bottom{border-top-color:#d1c3dc}
.site-footer .npu-logo{background:#e2d7ec}
@media(max-width:720px){.hero-band,.footer-band{background-size:auto 230px}.site-header{padding-block:24px}.site-footer{padding-top:40px}.brand{gap:14px}.npu-logo{width:40px;height:40px;border-radius:10px}.npu-logo img{height:60px}.brand-university{font-size:10px}}

/* Keep the collection prominent and reserve a separate strip for the river motif. */
.hero-band{position:relative;isolation:isolate;background-image:none}
.hero-band::after{content:"";position:absolute;inset:auto 0 0;aspect-ratio:1200/230;background:url('research-pattern.svg') center bottom/100% 100% no-repeat;opacity:.65;pointer-events:none;z-index:2}
.hero-copy,.hero-art .collection-label{position:relative;z-index:3}
.hero{grid-template-columns:1fr 1.2fr;gap:36px;min-height:580px;padding-top:42px;padding-bottom:106px}
.hero h1{font-size:clamp(36px,3.7vw,54px);line-height:1.28;letter-spacing:-1px}
.hero-description{margin:20px 0 26px}
.hero-note{margin-top:24px}
.hero-art{min-height:390px;padding:22px 12px 26px;border-radius:150px 150px 10px 10px}
.hero-art>img{height:320px;margin:0;transform:scale(1.27)}
.hero-art .collection-label{position:relative;margin-top:14px;font-size:12px;letter-spacing:.3px}
@media(max-width:1100px) and (min-width:721px){.hero{gap:24px}.hero-art{min-height:330px}.hero-art>img{height:260px}.hero h1{font-size:36px}}
@media(max-width:720px){.hero{grid-template-columns:1fr;padding:34px 6% 86px;gap:26px;min-height:0}.hero h1{font-size:clamp(32px,8.5vw,40px);line-height:1.3}.hero-art{min-height:0;padding:20px 10px 24px;border-radius:110px 110px 8px 8px}.hero-art>img{height:auto;aspect-ratio:1.7;transform:scale(1.2)}.hero-art .collection-label{margin-top:12px;font-size:11px}.hero-band::after{height:auto;aspect-ratio:1200/230;background-size:100% 100%}.hero .button{gap:18px}}

/* Present the collection directly on the shared hero background. */
.hero-art{background:transparent;border-radius:0}

.hero-action{display:inline-flex;flex-direction:column;align-items:stretch;max-width:100%}
.hero-action .hero-note{justify-content:center;text-align:center}