/* 60BASE homepage — adapted from the supplied Opalhaus design source. */
@font-face{font-family:"Inter Tight";src:url("fonts/inter-tight/inter-tight-latin-variable.woff2") format("woff2");font-weight:100 900;font-style:normal;font-display:swap}
@font-face{font-family:Pretendard;src:url("fonts/PretendardVariable.woff2") format("woff2");font-weight:100 900;font-style:normal;font-display:swap}
:root{color-scheme:light;--site-width:1200px;--site-pad:80px;--accent:#ff5d17;--ink:#0a0a0a;--surface:#f8f7f5;--line:#e5e4e1;--family-ease:cubic-bezier(.19,1,.22,1);scroll-behavior:smooth;scroll-padding-top:24px}
*{box-sizing:border-box}body{margin:0}h1,h2,h3,h4,p,figure{margin:0}img{display:block;max-width:100%}a{color:inherit}button,input,textarea{font:inherit}button,a,input,textarea{-webkit-tap-highlight-color:transparent}button{cursor:pointer;color:inherit}button:disabled{cursor:default}button,[role=button]{min-height:44px}button,a{touch-action:manipulation}[hidden]{display:none!important}
body.fds{--fds-bg:#fff;--fds-surface:#fff;--fds-text:var(--ink);--fds-primary:var(--accent);--fds-on-primary:var(--ink);--fds-text-muted:#61615e;--fds-danger-text:#a82016;--fds-focus:#a93200;--fds-font-body:"Inter Tight",Pretendard,Arial,sans-serif;--fds-font-display:var(--fds-font-body);font-family:var(--fds-font-body);font-size:16px;line-height:1.6;background:#fff;color:var(--ink);-webkit-font-smoothing:antialiased}
.wrap{width:min(var(--site-width),calc(100% - var(--site-pad)*2));margin-inline:auto}main{min-width:0}a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible,textarea:focus-visible,[tabindex]:focus-visible{outline:2px solid #a93200;outline-offset:5px}.skip{position:fixed;z-index:100;left:16px;top:16px;padding:12px 20px;background:var(--ink);color:#fff;transform:translateY(-160%);border-radius:6px}.skip:focus{transform:none}
.header-shell{position:relative;z-index:30;background:#fff}.site-header.wrap{display:grid;grid-template-columns:151px minmax(150px,1fr) auto auto;align-items:center;gap:42px;min-height:155px;max-width:1200px}.brand{display:flex;align-items:center;width:151px;min-height:44px}.brand img{width:151px;height:auto}.header-tagline{font-size:14px;line-height:1.5;max-width:195px;letter-spacing:-.02em}.section-nav{display:grid;grid-template-columns:repeat(2,auto);column-gap:34px;row-gap:0}.section-nav a{display:flex;align-items:center;min-height:36px;text-decoration:none;font-size:14px;line-height:1.4;white-space:nowrap}.section-nav a:hover,.section-nav a[aria-current=location]{text-decoration:underline;text-underline-offset:5px}.header-actions{display:flex;align-items:center;gap:12px}.menu-toggle{display:none}.language-toggle{position:relative;display:flex;align-items:center;gap:2px;border:0;border-radius:50px;padding:4px;background:var(--surface);font-size:11px;font-weight:600}.language-toggle span{display:grid;place-items:center;width:28px;height:32px;border-radius:50px;color:#676762}.language-toggle[aria-checked=false] [lang=ko],.language-toggle[aria-checked=true] [lang=en]{background:#fff;color:var(--ink)}
.fds-button{display:inline-flex;align-items:center;justify-content:center;gap:20px;width:fit-content;min-height:50px;padding:12px 24px;background:var(--accent);color:var(--ink);border:1px solid transparent;border-radius:100px;font-size:15px;font-weight:500;line-height:1.3;text-decoration:none;transition:background .2s,transform .2s}.fds-button:hover{background:#ed5110;transform:translateY(-2px)}a.fds-button:has(.button-arrow){padding:7px 7px 7px 22px}.fds-button[data-variant=secondary]{background:var(--surface);border-color:var(--line)}.button-arrow{display:grid;place-items:center;flex:none;width:36px;height:36px;border-radius:50%;background:#fff;color:var(--ink);font-size:22px;line-height:1;transition:transform .25s}.fds-button:hover .button-arrow{transform:rotate(45deg)}.header-contact{white-space:nowrap;font-size:14px}.text-link{display:inline-flex;align-items:center;min-height:44px;font-size:15px;font-weight:500;text-decoration:underline;text-underline-offset:6px}.text-link:hover{text-decoration-color:var(--accent)}
.opal-hero{position:relative;isolation:isolate;min-height:740px;overflow:hidden;border-radius:20px;background:#343434;color:#fff}.hero-background,.hero-shade{position:absolute;inset:0;width:100%;height:100%;z-index:-2}.hero-background{object-fit:cover;filter:grayscale(1);opacity:.85}.hero-shade{z-index:-1;background:linear-gradient(90deg,#0009,#0002 85%),linear-gradient(0deg,#0008,transparent 65%)}.hero-copy{display:flex;flex-direction:column;min-height:740px;padding-block:65px 42px}.eyebrow{display:flex;align-items:center;gap:8px;font-size:12px;line-height:1.5;font-weight:500;letter-spacing:.035em;text-transform:uppercase}.eyebrow::before{content:"";flex:none;width:6px;height:6px;border-radius:50%;background:var(--accent)}.hero-copy .eyebrow{margin-bottom:25px;color:#fff}.hero-copy h1{font-size:clamp(72px,7.8vw,112px);line-height:1.13;letter-spacing:-.065em;font-weight:500;word-break:keep-all}.hero-copy h1>span{display:block}html[lang=en] .hero-copy h1{font-size:clamp(85px,11.72vw,160px);line-height:1.1;letter-spacing:-.04em;font-weight:450}.hero-bottom{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;margin-top:auto;padding-top:42px}.hero-index{width:245px}.hero-index>p{font-size:12px;color:#d2d2d2;margin-bottom:10px}.hero-index a{display:flex;gap:14px;align-items:center;min-height:36px;border-bottom:1px solid #ffffff40;color:#fff;font-size:14px;text-decoration:none}.hero-index a small{font-size:10px;color:#ddd}.hero-index a:hover{padding-left:6px}.hero-pause{width:48px;height:48px;flex:none;border:1px solid #ffffff80;border-radius:50%;background:#0004;color:#fff;font-size:14px}.hero-pause:hover{background:#0009}
.page-section{padding-block:120px}.section-heading{display:flex;justify-content:space-between;align-items:flex-end;gap:30px;margin-bottom:50px}.section-heading .eyebrow{margin-bottom:24px}.section-heading h2,.about-statement h2{font-size:clamp(40px,4.6vw,62px);font-weight:500;line-height:1.2;letter-spacing:-.04em;word-break:keep-all}.section-heading>.text-link{flex:none}.intro-description{font-size:17px;line-height:1.8;color:#61615e;word-break:keep-all}.about-intro{display:grid;grid-template-columns:1fr 2fr;gap:60px}.about-intro>.eyebrow{align-self:start;padding-top:12px}.about-statement .intro-description{max-width:650px;margin-top:30px}.about-links{display:flex;gap:28px;flex-wrap:wrap;margin-top:28px}.sample-section{background:var(--surface)}
.video-feature{min-width:0}.media-heading{display:flex;align-items:center;justify-content:space-between;gap:18px;margin-bottom:17px}.media-heading>span{font-size:12px;color:#61615e}.media-heading strong{font-size:12px;margin-left:12px;font-weight:500;font-variant-numeric:tabular-nums}.video-layout{display:grid;align-items:start;grid-template-columns:minmax(0,1fr) 190px;gap:24px}.video-mount{min-width:0;border-radius:12px}.video-frame{position:relative;aspect-ratio:16/9;background:#171717;border-radius:12px;overflow:hidden;isolation:isolate}#sample-video{display:block;width:100%;height:100%;object-fit:contain;background:#171717}.video-frame::after{content:"";position:absolute;inset:50% 0 0;background:linear-gradient(transparent,#0009);pointer-events:none;z-index:0}.video-labels{position:absolute;inset:0;display:flex;align-items:flex-end;justify-content:space-between;gap:16px;padding:25px;pointer-events:none;color:#fff;z-index:1}.video-task{display:grid;gap:4px}.video-task strong{font-size:28px;font-weight:500;letter-spacing:-.035em}.video-task>span{font-size:12px;line-height:1.6}.video-facts{display:flex;gap:6px;align-items:center;flex-wrap:wrap}.video-facts>span{font-size:12px;line-height:1.5;padding:6px 10px;border:1px solid #ffffff70;border-radius:5px;background:#0006}.video-frame[data-controls=true] .video-labels{padding-bottom:62px}.video-selector{display:grid;grid-template-columns:1fr;grid-auto-rows:max-content;align-content:start;gap:17px;min-width:0;width:100%;padding:2px 8px 2px 2px;height:var(--playlist-height,540px);overflow-y:scroll;overflow-x:hidden;scrollbar-gutter:stable;scrollbar-width:auto;scrollbar-color:auto}.video-selector::-webkit-scrollbar{width:6px}.video-selector::-webkit-scrollbar-track{background:#e4e2df;border-radius:99px}.video-selector::-webkit-scrollbar-thumb{background:#777;border-radius:99px;min-height:32px}.sample-choice{display:block;align-self:start;text-align:left;padding:0;min-width:0;border:0;border-radius:8px;background:none}.sample-thumb{display:block;position:relative;aspect-ratio:16/9;overflow:hidden;border-radius:8px;background:#ddd;transition:box-shadow .2s}.sample-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s}.sample-duration{position:absolute;bottom:6px;right:6px;border-radius:4px;background:#000b;color:#fff;padding:1px 5px;font-size:10px}.sample-selected{position:absolute;left:7px;top:7px;padding:2px 6px;background:var(--accent);color:var(--ink);border-radius:4px;font-size:9px;opacity:0}.sample-choice[aria-pressed=true] .sample-thumb{box-shadow:0 0 0 2px var(--accent)}.sample-choice[aria-pressed=true] .sample-selected{opacity:1}.sample-choice:hover img{transform:scale(1.04)}.sample-caption{display:flex;gap:9px;align-items:baseline;margin-top:8px}.sample-index{font-size:10px;color:#676762}.sample-name{font-size:13px;line-height:1.5;font-weight:500}.sample-choice[aria-pressed=true] .sample-name{color:#a93200}#video-error{font-size:13px;margin-top:12px;color:#a82016}
#standards{background:var(--surface)}.faq-list{display:grid;gap:12px;margin-left:34%}.faq-item{border-radius:12px;background:var(--surface);padding:0 28px}.faq-item summary{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:88px;padding-block:22px;list-style:none;cursor:pointer;font-size:20px;font-weight:500;line-height:1.4;letter-spacing:-.02em}.faq-item summary::-webkit-details-marker{display:none}.faq-item summary::after{content:"+";font-size:25px;flex:none;font-weight:400}.faq-item[open] summary::after{content:"−"}.faq-item>p{padding-bottom:28px;color:#61615e;line-height:1.8;font-size:16px;word-break:keep-all}
.contact-area{background:var(--ink);color:#fff}.contact-banner{display:flex;align-items:center;justify-content:space-between;gap:24px;padding-block:70px 80px;border-bottom:1px solid #ffffff40;text-decoration:none}.contact-banner>span:first-child{font-size:clamp(80px,14vw,190px);letter-spacing:-.055em;line-height:1.1;font-weight:500}.contact-arrow{display:grid;place-items:center;flex:none;width:130px;height:130px;border-radius:50%;background:var(--accent);color:var(--ink);font-size:75px;font-weight:400;transition:transform .3s}.contact-banner:hover .contact-arrow{transform:rotate(45deg)}.contact-inner{display:grid;grid-template-columns:1fr 1.1fr;gap:90px;padding-block:80px}.contact-heading h2{font-size:38px;font-weight:500;line-height:1.35;letter-spacing:-.03em;word-break:keep-all}.contact-heading .eyebrow{margin-bottom:26px}.contact-email{display:inline-block;margin-top:30px;font-size:20px;text-decoration:none;overflow-wrap:anywhere}.contact-email:hover{text-decoration:underline}#contact-form{min-width:0}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:20px}.fds-field{display:grid;gap:10px;margin-bottom:25px;font-size:14px}.fds-input,.fds-textarea{display:block;width:100%;min-height:48px;padding:14px 0;background:transparent;color:inherit;border:0;border-bottom:1px solid #ffffff60;border-radius:0;font-size:16px;line-height:1.5}.fds-textarea{resize:vertical}.fds-input::placeholder,.fds-textarea::placeholder{color:#a8a8a8}.fds-input[aria-invalid=true],.fds-textarea[aria-invalid=true]{border-color:#ff8a67}.form-actions{display:flex;align-items:center;gap:16px}.email-note,#form-status{font-size:13px;line-height:1.65;margin-top:14px;color:#b5b5b5}#form-status:empty{display:none}.field-optional{color:#aaa;font-size:12px}.site-footer{background:var(--ink);color:#fff;padding-bottom:28px}.footer-top{display:flex;align-items:center;justify-content:space-between;gap:30px;padding-block:40px;border-top:1px solid #ffffff40}.footer-brand{display:block;width:151px}.footer-brand img{width:100%;height:auto}.footer-links{display:flex;align-items:center;flex-wrap:wrap;gap:24px}.footer-links a{display:inline-flex;align-items:center;min-height:44px;text-decoration:none;font-size:14px}.footer-links a:hover{text-decoration:underline}.footer-bottom{display:flex;justify-content:space-between;gap:20px;color:#a8a8a8;font-size:12px;padding-top:24px;border-top:1px solid #ffffff26}.contact-area :focus-visible,.site-footer :focus-visible,.opal-hero :focus-visible{outline-color:var(--accent)}
.no-js .language-toggle,.no-js .menu-toggle,.no-js .hero-pause,.no-js #contact-form,.no-js .video-selector{display:none}.no-js .video-layout{grid-template-columns:1fr}.no-js .video-labels{padding-bottom:68px}
@media(max-width:1199px){:root{--site-pad:40px}.site-header.wrap{min-height:96px;grid-template-columns:151px 1fr auto;gap:22px}.header-tagline{display:none}.header-actions{grid-column:2;grid-row:1}.menu-toggle{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;grid-column:3;grid-row:1;width:44px;border:0;background:transparent}.menu-toggle span{display:block;width:40px;height:2px;background:var(--accent);transition:transform .2s}.section-nav{display:none;grid-column:1/-1;padding-bottom:24px;grid-template-columns:1fr 1fr;gap:8px 24px}.section-nav a{min-height:44px;font-size:18px}.header-shell[data-menu-open=true] .section-nav{display:grid}.header-shell[data-menu-open=true] .menu-toggle span:first-child{transform:translateY(3.5px) rotate(45deg)}.header-shell[data-menu-open=true] .menu-toggle span:last-child{transform:translateY(-3.5px) rotate(-45deg)}.header-actions{justify-content:flex-end}.hero-copy,.opal-hero{min-height:720px}.hero-copy h1{font-size:clamp(62px,8vw,96px)}html[lang=en] .hero-copy h1{font-size:clamp(78px,10.4vw,124px)}.page-section{padding-block:96px}.about-intro{gap:30px}.contact-inner{gap:50px}.contact-arrow{width:100px;height:100px;font-size:60px}.video-layout{grid-template-columns:minmax(0,1fr) 150px;gap:18px}.section-heading h2,.about-statement h2{font-size:50px}}
@media(max-width:809px){:root{--site-pad:24px}.site-header.wrap{gap:12px}.header-contact{display:none}.opal-hero{border-radius:12px}.hero-copy,.opal-hero{min-height:650px}.hero-copy{padding-block:40px 30px}.hero-copy h1{font-size:clamp(45px,8.5vw,68px);line-height:1.16}html[lang=en] .hero-copy h1{font-size:clamp(60px,9vw,76px)}.hero-copy .eyebrow{font-size:10px;margin-bottom:32px}.hero-index{width:220px}.hero-index a{min-height:40px}.page-section{padding-block:80px}.section-heading{display:block;margin-bottom:32px}.section-heading .text-link{margin-top:15px}.section-heading .eyebrow{margin-bottom:20px}.section-heading h2,.about-statement h2{font-size:40px}.about-intro{grid-template-columns:1fr;gap:24px}.about-intro>.eyebrow{padding-top:0}.intro-description{font-size:16px}.about-statement .intro-description{margin-top:22px}.faq-list{margin-left:0}.faq-item{padding-inline:20px}.faq-item summary{font-size:18px;min-height:80px}.faq-item>p{font-size:15px}.contact-banner{padding-block:55px;gap:14px}.contact-banner>span:first-child{font-size:clamp(58px,13.5vw,110px)}.contact-arrow{width:64px;height:64px;font-size:38px}.contact-inner{grid-template-columns:1fr;gap:44px;padding-block:55px}.contact-heading h2{font-size:32px}.footer-top{align-items:flex-start;flex-direction:column}.footer-links{gap:12px 22px}.footer-bottom{flex-wrap:wrap}.video-layout{grid-template-columns:minmax(0,1fr) 128px;gap:14px}.video-task strong{font-size:22px}.video-labels{padding:16px}.video-task>span{font-size:10px}.video-frame[data-controls=true] .video-labels{padding-bottom:52px}}
@media(max-width:550px){.video-layout{grid-template-columns:1fr;gap:16px}.video-selector{gap:14px;height:clamp(260px,45vh,420px)}.video-selector .sample-choice{display:grid;grid-template-columns:128px minmax(0,1fr);gap:14px;align-items:start}.video-selector .sample-caption{margin-top:4px}.media-heading{flex-wrap:wrap;gap:6px}.media-heading>span{font-size:10px}.video-task strong{font-size:20px}.video-task>span{font-size:9px}.form-row{grid-template-columns:1fr;gap:0}.hero-index{width:210px}.hero-pause{width:44px;height:44px}.header-actions{gap:0}.section-nav{grid-template-columns:1fr 1fr}.brand,.brand img{width:135px}.site-header.wrap{grid-template-columns:135px 1fr auto}.contact-banner>span:first-child{font-size:17vw}.contact-arrow{width:48px;height:48px;font-size:30px}.contact-heading h2{font-size:29px}.about-links{gap:18px}.video-frame[data-controls=true] .video-task>span{display:none}}
@media(prefers-reduced-motion:reduce){:root{scroll-behavior:auto}*,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}
/* Multiline headings and the background-video control keep semantic text intact. */
.hero-copy h1>br{display:none}.hero-index a{justify-content:space-between}.section-heading h2{white-space:pre-line}.huggingface-link{gap:8px}.hero-pause{position:relative}.hero-pause>span{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap;border:0}.hero-pause::before{content:"Ⅱ";font-size:17px}.hero-pause[aria-pressed=true]::before{content:"▶";font-size:13px}

/* Source hero measure and compact navigation states. */
.hero-copy.wrap{max-width:1120px}.no-js .section-nav{display:grid}
@media(max-width:1199px){.section-nav{grid-row:2}.header-shell[data-menu-open=true] .header-actions{display:contents}.header-shell[data-menu-open=true] .language-toggle{grid-column:2;grid-row:1;justify-self:end}.header-shell[data-menu-open=true] .header-contact{display:flex;grid-column:1/-1;grid-row:3;width:100%;margin-bottom:24px}.header-shell[data-menu-open=true] .section-nav{padding-bottom:0}}
@media(max-width:809px){:root{--site-pad:20px}.opal-hero{border-radius:20px}}

/* Selected gap study 1: wider thumbnails with a compact, even vertical rhythm. */
@media(min-width:551px){.video-selector{transform:translateY(-2px);gap:12px}.video-layout{grid-template-columns:minmax(0,1fr) 144px}}
@media(min-width:810px){.video-layout{grid-template-columns:minmax(0,1fr) minmax(166px,20%)}}
@media(min-width:1200px){.video-layout{grid-template-columns:minmax(0,1fr) 240px}}

@supports not selector(::-webkit-scrollbar){.video-selector{scrollbar-width:thin;scrollbar-color:#777 #e4e2df}}

/* Opalhaus header: source layout and state dimensions, isolated from page widgets. */
.header-shell{--header-spring:cubic-bezier(.2,.8,.2,1);--header-nav-spring:cubic-bezier(.2,.7,.2,1)}
.header-shell .site-header.wrap{display:grid;grid-template-columns:156px minmax(0,1fr) 160px;align-items:start;gap:0;width:min(1200px,calc(100% - var(--section-gutter)*2));max-width:1200px;min-height:149px;padding:30px 0 14px}
.header-shell .brand{display:flex;align-items:center;justify-content:flex-start;width:156px;height:34px;min-height:34px;padding:0 36px 0 0}
.header-shell .brand img{width:120px;height:auto;flex:none}
.header-shell .header-middle{display:flex;align-items:flex-start;justify-content:center;gap:104px;min-height:105px}
.header-shell .header-summary{flex:none;width:160px;position:relative}
.header-shell .header-tagline{display:block;max-width:160px;font-size:16px;font-weight:400;line-height:1.4;letter-spacing:0}
.header-shell .header-summary .language-toggle{width:64px;margin-top:10px;min-height:30px;height:30px;padding:2px;background:transparent;border:1px solid #e5e4e1}
.header-shell .header-summary .language-toggle span{height:24px;width:28px;font-size:10px}
.header-shell .section-nav{display:grid;flex:none;width:256px;grid-template-columns:115px 111px;grid-template-rows:repeat(3,31px);grid-auto-flow:column;gap:6px 30px;padding:0}
.header-shell .section-nav a{position:relative;display:flex;align-items:center;justify-content:flex-start;gap:0;height:31px;min-height:31px;padding:0 12px 0 34px;border:0;border-radius:0;font-size:16px;font-weight:400;line-height:1.4;white-space:nowrap;text-decoration:none;background:transparent;transition:padding-left 1.2s var(--header-nav-spring)}
.header-shell .nav-label{display:block;white-space:nowrap;opacity:.62;transition:opacity 1.2s var(--header-nav-spring)}
.header-shell .nav-marker{position:absolute;display:flex;align-items:center;justify-content:center;left:16%;top:11px;transform:translateX(-50%);width:10px;height:10px;padding:4px;border-radius:50%;background:var(--ink);opacity:.62;transition:width .4s var(--header-spring),height .4s var(--header-spring),top .4s var(--header-spring),left .4s var(--header-spring),background-color .4s var(--header-spring),opacity .4s var(--header-spring)}
.header-shell .nav-marker svg{width:12px;height:12px;flex:none;fill:#fff;transform:rotate(-45deg);opacity:0;transition:opacity .4s var(--header-spring)}
.header-shell .section-nav a:is(:hover,:focus-visible){padding-left:44px;text-decoration:none}
.header-shell .section-nav a:is(:hover,:focus-visible) .nav-label{opacity:1}
.header-shell .section-nav a:is(:hover,:focus-visible) .nav-marker{left:15%;top:0;width:31px;height:31px;background:var(--accent);opacity:1}
.header-shell .section-nav a:is(:hover,:focus-visible) .nav-marker svg{opacity:1}
.header-shell .header-actions{display:block;width:160px;grid-column:auto;grid-row:auto}
.header-shell .header-contact.fds-button{position:relative;display:flex;justify-content:flex-start;align-items:center;width:160px;height:46px;min-height:46px;padding:4px 56px 4px 20px;gap:0;border:0;border-radius:50px;background:var(--accent);color:#fff;font-size:16px;line-height:19.2px;font-weight:600;white-space:nowrap;transform:none;transition:background-color .4s var(--header-spring)}
.header-shell .header-contact.fds-button:is(:hover,:focus-visible){background:var(--ink);transform:none}
.header-shell .header-contact .button-arrow{position:absolute;top:4px;right:4px;display:grid;place-items:center;width:38px;height:38px;padding:8px;border-radius:35px;background:#fff;color:var(--ink);transform:none;transition:none}
.header-shell .header-arrow-viewport{display:block;width:22px;height:22px;overflow:hidden;transform:rotate(-45deg)}
.header-shell .header-arrow-track{display:flex;align-items:center;gap:10px;width:50px;height:22px;transform:translateX(-28px);transition:transform .4s var(--header-spring)}
.header-shell .header-arrow-track svg{flex:none;width:20px;height:20px;fill:currentColor}
.header-shell .header-contact:is(:hover,:focus-visible) .header-arrow-track{transform:translateX(0)}
.header-shell .menu-toggle{display:none}
/* Selected header option 2 · 2026-09-24. Keep the slogan, switch and header grid fixed. */
@media(min-width:1200px){
 .header-shell .section-nav{grid-template-rows:repeat(3,28px);row-gap:0}
 .header-shell .section-nav a{height:28px;min-height:28px;font-size:13px}
 .header-shell .nav-marker{top:11.5px;width:5px;height:5px;padding:0}
 .header-shell .section-nav a:is(:hover,:focus-visible) .nav-marker{top:0;width:28px;height:28px}
 .header-shell .header-contact.fds-button{width:136px;height:36px;min-height:36px;margin-left:auto;padding:4px 40px 4px 16px;font-size:13px;line-height:18px;font-weight:500}
 .header-shell .header-contact .button-arrow{width:28px;height:28px;padding:6px}
 .header-shell .header-arrow-viewport{width:16px;height:16px}
 .header-shell .header-arrow-track{gap:8px;width:40px;height:16px;transform:translateX(-24px)}
 .header-shell .header-arrow-track svg{width:16px;height:16px}
}
@media(max-width:1199px){
 body.opal-home{padding-top:93px}
 .header-shell{position:fixed;top:0;left:0;right:0;z-index:30}
 .header-shell .site-header.wrap{width:calc(100% - var(--section-gutter)*2);min-height:93px;grid-template-columns:156px minmax(0,1fr) 46px;gap:0;padding:30px 0 17px;align-items:start}
 .header-shell .brand{grid-column:1;grid-row:1;align-self:center}
 .header-shell .header-middle,.header-shell .header-summary{display:contents;min-height:0}
 .header-shell .header-tagline{display:none}
 .header-shell .header-summary .language-toggle{grid-column:2;grid-row:1;justify-self:end;align-self:center;margin:0 20px 0 0}
 .header-shell .section-nav{display:none;width:100%;grid-column:1/-1;grid-row:2;grid-template-columns:1fr;grid-template-rows:repeat(6,31px);grid-auto-flow:row;gap:6px;margin-top:16px;padding:0}
 .header-shell .section-nav a{font-size:19px;font-weight:600;line-height:30px;padding:7px 0;min-height:44px;height:44px}
 .header-shell .section-nav a:nth-child(4){margin-top:20px}
 .header-shell .section-nav{grid-template-rows:44px 44px 44px 64px 44px 44px}
 .header-shell .section-nav a:is(:hover,:focus-visible){padding:7px 0}
 .header-shell .nav-label{opacity:1}
 .header-shell .nav-marker{display:none}
 .header-shell .header-actions{display:none}
 .header-shell[data-menu-open=true] .header-middle,.header-shell[data-menu-open=true] .header-actions{display:contents}
 .header-shell[data-menu-open=true] .section-nav{display:grid;padding-bottom:0}
 .header-shell[data-menu-open=true] .header-contact.fds-button{display:flex;grid-column:1/-1;grid-row:3;width:100%;margin:26px 0 0}
 .header-shell .menu-toggle{position:relative;display:block;grid-column:3;grid-row:1;width:46px;height:46px;min-height:46px;padding:0;border:0;background:transparent}
 .header-shell .menu-toggle span{position:absolute;left:0;width:46px;height:3px;background:var(--accent);transition:top .4s var(--header-spring),transform .4s var(--header-spring)}
 .header-shell .menu-toggle span:first-child{top:14.5px;transform:none}
 .header-shell .menu-toggle span:last-child{top:27.5px;transform:none}
 .header-shell[data-menu-open=true] .menu-toggle span:first-child{top:21.5px;transform:rotate(45deg)}
 .header-shell[data-menu-open=true] .menu-toggle span:last-child{top:21.5px;transform:rotate(-45deg)}
 .no-js .header-shell{position:relative}.no-js body.opal-home{padding-top:0}.no-js .header-shell .section-nav{display:grid}.no-js .header-shell .header-summary .language-toggle{display:none}
}

/* Unified60BASE brand and the requested source components. */
.hero-copy.wrap{width:min(1200px,calc(100% - var(--section-gutter)*2));max-width:1200px}
.hero-copy .eyebrow,#hero-motion-heading .opal-text-reveal__label{font-size:14.4px;line-height:1.5;gap:9.6px;margin-bottom:25px;letter-spacing:.035em}
.hero-copy .eyebrow::before,#hero-motion-heading .opal-text-reveal__label::before{width:7.2px;height:7.2px}
.hero-index:has(.opal-services){width:250px;max-width:calc(100% - 68px);min-width:0}.hero-index .opal-hero-services a{padding:10px 0;min-height:46px;border-bottom:0;font-size:18px;line-height:26px;gap:0}.hero-index .opal-hero-services a:last-child{border-bottom:1px solid #f9f9f966}.hero-index .opal-hero-services a:hover{padding-left:0}
.hero-index .opal-hero-services-header{margin-bottom:20px}.hero-index .opal-service-roll{margin:0}.hero-index .opal-service-roll>span{line-height:26px}
#process-motion-host{background:#0a0a0a}
#process-motion-host .opal-service-section{width:min(1200px,calc(100% - 40px));margin-inline:auto;padding:80px 0}
#process-motion-host .opal-service-header{display:block;margin-bottom:48px}
#process-motion-host .opal-text-reveal__heading{min-width:0}
#process-motion-host .opal-text-reveal__label{flex:none}
#process-motion-host .opal-service-layout{align-items:flex-start}
#process-motion-host .opal-service-row{min-height:124px}
#process-motion-host .opal-service-image{max-width:none}
#process-motion-host .opal-service-name{font-family:var(--fds-font-body)}
.opal-home #purchase-process.wrap{margin-inline:auto}
.contact-area{padding-top:0}.contact-area>.wrap{padding-top:0}
.contact-inner{padding-block:65px 70px;border-bottom:1px solid #ffffff35}
.inquiry-submit{display:flex;align-items:center;justify-content:space-between;width:240px;height:52px;min-height:52px;padding:0 20px;border:0;border-radius:100px;background:var(--accent);color:#fff;font:500 16px/20px var(--fds-font-body);transition:background .2s cubic-bezier(.44,0,.56,1)}
.inquiry-submit:active{background:#333}.inquiry-submit:disabled{opacity:.5}.inquiry-submit[data-state=Error]{background:#a33012}
.inquiry-label{display:flex;flex-direction:column;gap:5px;height:20px;overflow:hidden}.inquiry-label>span{flex:none;line-height:20px;transition:transform .2s cubic-bezier(.44,0,.56,1)}
.inquiry-submit:is(:hover,:focus-visible) .inquiry-label>span{transform:translateY(-25px)}
.inquiry-submit>svg{width:17px;height:17px;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.site-footer{padding-bottom:0}.footer-grid.wrap{display:grid;grid-template-columns:1.8fr 1fr 1fr 1.3fr;gap:40px;width:min(1200px,calc(100% - 40px));padding-block:55px 48px}
.footer-identity .footer-brand{width:151px}.footer-identity p{max-width:260px;margin-top:25px;font-size:15px;line-height:1.65;color:#999}
.footer-column{display:flex;flex-direction:column;align-items:flex-start;gap:12px;min-width:0}.footer-column h2{font-size:22px;font-weight:600;line-height:1.3;margin-bottom:9px;letter-spacing:-.025em}.footer-column a{font-size:15px;line-height:1.6;text-decoration:none;color:#999;overflow-wrap:anywhere}.footer-column a:hover{color:#fff}
.footer-copyright{padding:22px 20px;border-top:1px solid #ffffff50;text-align:center;color:#d5d5d5;font-size:14px;line-height:1.5}
@media(max-width:1199px){.footer-grid.wrap{gap:30px;grid-template-columns:1.3fr 1fr 1fr}.footer-identity{grid-column:1/-1;display:flex;align-items:center;gap:40px}.footer-identity p{margin:0;max-width:none}}
@media(max-width:809px){.hero-copy .eyebrow,#hero-motion-heading .opal-text-reveal__label{font-size:12px;margin-bottom:32px}#process-motion-host .opal-service-section{padding-block:60px}#process-motion-host .opal-service-row{min-height:110px}.contact-inner{padding-block:48px}.footer-grid.wrap{grid-template-columns:1fr 1fr;gap:28px;padding-block:40px}.footer-identity{display:block}.footer-identity p{margin-top:20px;max-width:300px}.footer-column:last-child{grid-column:1/-1}.footer-column h2{font-size:20px}.footer-copyright{font-size:12px}.inquiry-submit{max-width:100%}}

/* Language switch: supplied Dribbble capsule, with two equally available languages. */
.header-shell .header-summary #language-toggle{position:relative;isolation:isolate;display:grid;grid-template-columns:1fr 1fr;gap:0;width:152px;max-width:152px;height:32px;min-height:32px;padding:0;margin-top:10px;border:0;border-radius:99px;background:#1d2e43;overflow:visible;box-shadow:0 0 0 1px #1d2e43}
#language-toggle::before{content:"";position:absolute;z-index:0;top:5px;left:5px;width:calc((100% - 10px)/2);height:22px;background:#fcfcfd;border-radius:99px;transform:translateX(0);transition:transform .55s cubic-bezier(.22,1,.36,1)}
#language-toggle[aria-checked=true]::before{transform:translateX(100%)}
.header-shell .header-summary #language-toggle>span[lang]{position:relative;z-index:1;display:grid;place-items:center;width:auto;height:32px;border-radius:0;background:transparent;color:#9baebf;font-size:11px;font-weight:700;line-height:1;letter-spacing:.025em;transition:color .3s ease}
.header-shell .header-summary #language-toggle[aria-checked=false]>span[lang=ko],.header-shell .header-summary #language-toggle[aria-checked=true]>span[lang=en]{color:#1d2e43;background:transparent}
.language-outline{position:absolute;inset:0;width:100%;height:100%;overflow:visible;pointer-events:none}.language-outline rect{fill:none;stroke:#586d7e;stroke-width:1;vector-effect:non-scaling-stroke}.language-outline [data-language-highlight]{stroke:#fcfcfd;stroke-dasharray:100 0;stroke-dashoffset:0}
@media(max-width:1199px){.header-shell .header-summary #language-toggle{width:clamp(95px,calc(100vw - 236px),152px);margin:0 10px 0 0}}
@media(max-width:1199px){.header-shell .site-header.wrap{grid-template-columns:120px minmax(0,1fr) 46px}.header-shell .brand{width:120px;padding-right:0}}

/* Final label scale and neutral language capsule requested by the owner. */
body.opal-home .eyebrow,#hero-motion-heading .opal-text-reveal__label,#process-motion-host .opal-text-reveal__label{font-size:14px;line-height:21px;gap:10px;letter-spacing:0}
body.opal-home .eyebrow::before,#hero-motion-heading .opal-text-reveal__label::before,#process-motion-host .opal-text-reveal__label::before{width:7px;height:7px;flex:0 0 7px}
.header-shell .header-summary #language-toggle{background:#676767;border:0;box-shadow:none}
.header-shell .header-summary #language-toggle>span[lang]{color:#fff}
.header-shell .header-summary #language-toggle[aria-checked=false]>span[lang=ko],.header-shell .header-summary #language-toggle[aria-checked=true]>span[lang=en]{color:#676767;background:transparent}

/* Square media; the selected pill buttons and brand symbol geometry stay intact. */
body.opal-home :is(img,video,.opal-hero,.video-frame,.video-mount,.sample-choice,.sample-thumb,.evidence-video,.sample-footage,.annotation-footage){border-radius:0!important}
/* Selected video caption: rounded top corners and a square lower edge. */
body.opal-home #data :is(.video-mount,.video-frame){border-radius:26px!important}
body.opal-home #data .sample-thumb{border-radius:11px!important}
#data .sample-choice[aria-pressed=true] .sample-thumb{box-shadow:none}
#process-motion-host :is(.opal-service-media,.opal-service-image){border-radius:0!important}
.opal-home .service-film-dialog{border-radius:0}
.footer-minimal.wrap{display:flex;align-items:center;justify-content:space-between;gap:30px;width:min(1200px,calc(100% - 40px));padding-block:40px}
.footer-minimal>a{font-size:15px;text-decoration:none;color:#aaa}.footer-minimal>a:hover{color:#fff}.footer-minimal .footer-brand{margin-right:auto;width:151px}
@media(max-width:600px){.footer-minimal.wrap{align-items:flex-start;flex-wrap:wrap;gap:20px;padding-block:32px}.footer-minimal .footer-brand{flex-basis:100%;width:100%}.footer-minimal .footer-brand img{width:151px}.footer-minimal>a{font-size:13px}}

/* Reference capsule geometry and stretching motion, in the chosen black colorway. */
.header-shell .header-summary #language-toggle{background:#0a0a0a;border:1px solid #0a0a0a;box-shadow:none}
#language-toggle::before{display:none}
.header-shell .header-summary #language-toggle>.language-thumb{position:absolute;z-index:0;top:4px;left:5px;width:50%;height:22px;margin:0;border-radius:99px;background:#fcfcfd;pointer-events:none}
.header-shell .header-summary #language-toggle[aria-checked=true]>.language-thumb{left:calc(58% - 5px);width:42%}
.header-shell .header-summary #language-toggle>span[lang]{display:flex;align-items:center;width:auto;height:30px;padding:0 14px;font-size:11px;line-height:1;transition:color .3s ease;color:#999}
.header-shell .header-summary #language-toggle>span[lang=ko]{justify-content:flex-start}
.header-shell .header-summary #language-toggle>span[lang=en]{justify-content:flex-end}
.header-shell .header-summary #language-toggle[aria-checked=false]>span[lang=ko],.header-shell .header-summary #language-toggle[aria-checked=true]>span[lang=en]{color:#0a0a0a}
/* Keep permanent promotion controls clear of the footer's contact links. */
.footer-minimal.wrap{padding-right:160px}
.footer-minimal>a:not(.footer-brand){min-width:0;overflow-wrap:anywhere}
@media(max-width:600px){.footer-minimal.wrap{padding-right:156px}.footer-minimal>a:not(.footer-brand){flex-basis:100%}}
@media(max-width:600px){#fixed-promo-host{bottom:max(63px,env(safe-area-inset-bottom))}}
/* Only the first-screen main video keeps its original curved frame. */
body.opal-home #hero.opal-hero{border-radius:20px 20px 0 0!important}

/* Footer contact/navigation row removed at the owner’s request. */
.contact-inner{border-bottom:0}
@media(max-width:600px){.contact-inner{padding-bottom:210px}}

/* One measurable label asset across static and source-generated sections. */
body.opal-home .eyebrow,
body.opal-home #hero-motion-heading .opal-text-reveal__label,
body.opal-home #process-motion-host .opal-text-reveal__label{display:flex;align-items:center;gap:10px;box-sizing:border-box;height:21px;min-height:21px;padding:0;font-family:var(--fds-font-body);font-size:14px;font-weight:500;font-style:normal;line-height:21px;letter-spacing:0;text-transform:uppercase;white-space:nowrap;flex-shrink:0}
body.opal-home .eyebrow::before,
body.opal-home #hero-motion-heading .opal-text-reveal__label::before,
body.opal-home #process-motion-host .opal-text-reveal__label::before{width:7px;height:7px;flex:0 0 7px;background:#ff5d17}

/* Homepage PROJECT anatomy: three staggered service films, keeping real footage square-edged. */
.opal-home #services{padding:80px 0;background:var(--surface)}
.service-projects.wrap{width:min(1200px,calc(100% - 80px))}
#services .project-heading{display:grid;grid-template-columns:27% minmax(0,1fr) auto;gap:0 20px;align-items:start;margin:0 0 60px}
#services .project-heading .eyebrow{padding-top:0;margin:12px 0 0}
#services .project-heading h2{font-size:62px;font-weight:600;letter-spacing:-.04em;line-height:1.2;word-break:keep-all}
#services .project-contact{min-height:46px;font-size:16px;color:#fff;white-space:nowrap;gap:16px}
#services .project-grid{display:grid;grid-template-columns:1.1fr 1fr 1.1fr;gap:16px;overflow:visible;padding:0;border:0;align-items:start}
#services .service-film{display:flex;flex-direction:column;gap:20px;min-width:0;padding:0;border:0;border-radius:0;background:transparent;box-shadow:none;overflow:visible;transform:none}
#services .service-film:nth-child(n+2){margin-top:100px}
#services .service-film>.evidence-video{position:relative;width:100%;aspect-ratio:40/43.3;border:0;overflow:hidden;background:#deddda;border-radius:0}
#services .service-film:nth-child(2)>.evidence-video{aspect-ratio:1.15}
#services .project-poster{width:100%;height:100%;max-width:none;object-fit:cover;transition:transform 1.5s var(--project-hover-ease,ease)}
#services .project-view{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;width:100%;height:100%;margin:0;padding:0;border:0;border-radius:0;background:transparent;color:#fff;font-size:14px;opacity:0;transition:opacity .3s;text-decoration:none;z-index:2}
#services .project-view::before{content:"";position:absolute;z-index:-1;width:40px;height:40px;border-radius:50%;background:#0008;backdrop-filter:blur(5px);transition:width 1.5s var(--project-hover-ease,ease),height 1.5s var(--project-hover-ease,ease)}
#services .evidence-video:is(:hover,:focus-within) .project-poster{transform:scale(1.19348)}
#services .evidence-video:is(:hover,:focus-within) .project-view{opacity:1;transform:none}
#services .evidence-video:is(:hover,:focus-within) .project-view::before{width:70px;height:70px}
#services .service-film-copy{display:block;width:100%;padding:0;background:none;color:var(--ink)}
#services .service-film-copy h3{font-size:26px;line-height:1.2;font-weight:600;letter-spacing:-.035em}
#services .service-film-copy>p{font-size:14px;line-height:1.65;margin-top:12px;color:#777;word-break:keep-all}
/* Source SERVICE rows now carry the four real purchase/production steps. */
.opal-home #purchase-process{margin:0;padding:0;background:#0a0a0a;color:#fff}
#process-motion-host .opal-service-section{width:min(1200px,calc(100% - 80px));padding:80px 0}
#process-motion-host .opal-service-name{gap:70px;align-items:flex-start}
#process-motion-host .opal-service-label h3{font:inherit}
#process-motion-host .process-row-description{font-size:14px;font-weight:400;line-height:1.6;letter-spacing:0;margin-top:12px;color:#fff}
#process-motion-host .process-row-detail{font-size:13px;font-weight:400;line-height:1.6;letter-spacing:0;margin-top:6px;color:#ddd;word-break:keep-all}
#process-motion-host .opal-service-row{min-height:124px;align-items:center}
#process-motion-host .opal-service-name{font-size:40px}
#process-motion-host .opal-service-media{position:sticky;top:40px}
#process-motion-host .opal-service-layout{align-items:flex-start}
#process-motion-host .opal-service-header{margin-bottom:48px}
.process-fallback{padding-block:80px}
.process-fallback .process-heading{display:block}.process-fallback h2{font-size:42px;color:#fff;margin-top:24px}
.process-source-list{display:grid;gap:24px}.process-source-step{border-top:1px solid #666;padding-top:24px}
.process-source-step .step-title{color:#fff;font-size:26px}.process-source-step .step-copy,.process-source-step .panel-extra{display:block;max-height:none;opacity:1;overflow:visible;color:#ddd;font-size:16px}
@media(max-width:1199px){
 .service-projects.wrap,#process-motion-host .opal-service-section{width:calc(100% - 60px)}
 #services .project-heading{grid-template-columns:25% minmax(0,1fr);gap:20px}
 #services .project-heading h2{font-size:50px}#services .project-contact{grid-column:2}
 #services .service-film-copy h3{font-size:24px}
 #process-motion-host .opal-service-name{gap:10px;font-size:32px}
}
@media(max-width:809px){
 .opal-home #services{padding:60px 0}.service-projects.wrap,#process-motion-host .opal-service-section{width:calc(100% - 40px)}
 #services .project-heading{display:flex;flex-direction:column;gap:25px;margin-bottom:40px}
 #services .project-heading .eyebrow{margin:0}#services .project-heading h2{font-size:40px}
 #services .project-grid{grid-template-columns:1fr;gap:40px}
 #services .service-film:nth-child(n+2){margin-top:0}
 #services .service-film-copy h3{font-size:26px}
 #services .project-view{opacity:1;inset:auto 12px 12px auto;width:auto;height:44px;min-width:90px;padding:0 15px;background:#0009;border-radius:50px}
 #services .project-view::before{display:none}
 #process-motion-host .opal-service-section{padding-block:60px}
 #process-motion-host .opal-service-name{font-size:26px}
 #process-motion-host .opal-service-media{position:static}
}
@media(prefers-reduced-motion:reduce){#services .project-poster,#services .project-view,#services .project-view::before{transition:none}}
/* Dim only the source row title/number; supporting copy remains readable. */
#process-motion-host .opal-service-name .opal-service-label{opacity:1}
#process-motion-host .opal-service-label h3{opacity:.44;transition:opacity 1.5s var(--service-row-ease)}
#process-motion-host .opal-service-row:is(:hover,:focus-visible) h3{opacity:1}
#process-motion-host .process-row-description,#process-motion-host .process-row-detail{color:#aaa}
@media(max-width:1199px){#process-motion-host .opal-service-label h3{opacity:1}}
@media(prefers-reduced-motion:reduce){#process-motion-host .opal-service-label h3{transition:none}}
#service-review .project-poster{object-fit:contain;background:#e6e7e4}
.no-js #services .project-view{display:none}

/* Compact purchase choices use the header CTA's 38px circular arrow. */
#process-motion-host .opal-service-row{min-height:108px;padding:22px 0;gap:22px}
#process-motion-host .opal-service-name{font-size:26px;gap:36px}
#process-motion-host .opal-service-arrow{width:38px;height:38px;border-radius:50%}
#process-motion-host .opal-service-arrow svg{width:20px;height:20px}
#process-motion-host .opal-text-reveal__heading{font-size:46px}
#process-motion-host .process-row-description{font-size:13px;margin-top:8px}
#process-motion-host .process-row-detail{font-size:12px;margin-top:4px}
#process-motion-host .opal-service-row[aria-pressed=true] h3{opacity:1}
#services #service-review{margin-top:0}
#service-review .project-poster{object-position:center top}
@media(max-width:1199px){
 #process-motion-host .opal-service-name{font-size:24px;gap:8px}
 #process-motion-host .opal-text-reveal__heading{font-size:40px}
 #process-motion-host .opal-service-media{display:block;width:100%;max-width:none;height:248px}
 #process-motion-host .opal-service-layout{flex-direction:column;gap:32px}
 #process-motion-host .opal-service-rows{width:100%}
 #process-motion-host .opal-service-image{min-width:0}
}
@media(max-width:809px){
 #process-motion-host .opal-service-name{font-size:22px}
 #process-motion-host .opal-text-reveal__heading{font-size:34px}
 #process-motion-host .opal-service-row{padding-block:20px}
}
/* Leave a full form-height landing view below the marquee, even on tall screens. */
#contact .contact-inner{min-height:calc(100svh - 66px);align-items:start}
@media(max-width:1199px){#process-motion-host .opal-service-media{flex:none;min-height:0;height:248px;overflow:hidden}}

/* One shared section label and title layout, based on the source Blog header. */
body.opal-home{--section-gutter:40px;--section-label-offset:8px;--section-label-size:14px;--section-label-height:21px;--section-label-dot:7px;--section-label-gap:10px;--section-title-gap:24px;--section-title-bottom:50px;--section-title-size:62px}
html[lang=en] body.opal-home{--section-label-offset:12px}
body.opal-home :is(#hero,#about,#data,#services,#purchase-process,#standards,#faq,#contact) .section-label{display:flex;align-items:center;flex:none;box-sizing:border-box;width:max-content;max-width:100%;height:var(--section-label-height);min-height:var(--section-label-height);margin:0;padding:0;gap:var(--section-label-gap);font-family:var(--fds-font-body);font-size:var(--section-label-size);font-weight:500;font-style:normal;line-height:var(--section-label-height);letter-spacing:0;text-transform:uppercase;white-space:nowrap}
body.opal-home :is(#hero,#about,#data,#services,#purchase-process,#standards,#faq,#contact) .section-label::before{content:"";display:block;flex:0 0 var(--section-label-dot);width:var(--section-label-dot);height:var(--section-label-dot);margin:0;padding:0;border-radius:50%;background:var(--accent)}
body.opal-home :is(#about,#data,#services,#purchase-process,#standards,#faq,#contact) .section-title{display:grid;grid-template-columns:minmax(0,27%) minmax(0,1fr);align-items:start;column-gap:0;row-gap:var(--section-title-gap);width:100%;margin:0 0 var(--section-title-bottom);padding:0}
body.opal-home :is(#about,#data,#services,#purchase-process,#standards,#faq,#contact) .section-title h2{min-width:0;max-width:600px;width:100%;margin:0;padding:0;font-family:var(--fds-font-body);font-size:var(--section-title-size);font-weight:600;line-height:1.2;letter-spacing:-.04em;word-break:keep-all}
.section-title-body{min-width:0}
/* Match the source's first-line optical alignment: 12px for Inter Tight,
   8px for Pretendard's taller Korean glyphs. Keep the label box unchanged. */
@media(min-width:1200px){
 body.opal-home .section-title>.section-label{position:relative;top:var(--section-label-offset)}
}
body.opal-home .section-title-body>:is(.text-link,.fds-button){margin-top:24px}
#hero-motion-heading .opal-text-reveal__group{display:grid;gap:var(--section-title-gap)}
#hero-motion-heading>.section-label+h1{margin-top:var(--section-title-gap)}
#data .media-heading{margin-bottom:24px}
#process-motion-host .opal-service-header{margin-bottom:0}
#services #service-review>.evidence-video{aspect-ratio:16/9;background:transparent}
#services #service-review .project-poster{height:100%;object-fit:contain;background:transparent}
/* Contact option 2: direct email is secondary to the form's send action. */
#contact .contact-inner{grid-template-columns:minmax(0,27%) minmax(0,1fr);gap:0;align-content:start}
#contact .contact-heading{grid-column:1/-1}
#contact #contact-form{grid-column:2}
#contact .form-actions{flex-wrap:wrap;gap:24px 36px}
#contact .inquiry-submit{flex:none}
#contact .contact-email{display:flex;flex-direction:column;justify-content:center;gap:2px;min-height:44px;max-width:100%;margin:0;padding-left:34px;border-left:1px solid #ffffff30;text-decoration:none}
#contact .contact-email-label{font-size:12px;line-height:1.5;color:#aaa}
#contact .contact-email-address{display:flex;align-items:center;gap:16px;font-size:18px;line-height:1.4;color:#fff;white-space:nowrap}
#contact .contact-email-address svg{flex:none;width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
#contact .contact-email:is(:hover,:focus-visible) .contact-email-address{text-decoration:underline;text-underline-offset:4px}
#contact :is(.fds-input,.fds-textarea){caret-color:var(--accent)}
#contact :is(.fds-input,.fds-textarea):focus{outline:none}
.no-js #contact #contact-form{display:block}
.no-js #contact #contact-form>:not(.form-actions),.no-js #contact .inquiry-submit{display:none}
.no-js #contact .contact-email{padding:0;border:0}
@media(max-width:1199px){
 body.opal-home{--section-gutter:30px;--section-title-size:50px}
 body.opal-home :is(#about,#data,#services,#purchase-process,#standards,#faq,#contact) .section-title{grid-template-columns:1fr}
 #contact .contact-inner{grid-template-columns:minmax(0,27%) minmax(0,1fr)}
}
@media(max-width:809px){
 body.opal-home{--section-gutter:20px;--section-title-size:40px;--section-title-bottom:30px}
 #contact .contact-inner{grid-template-columns:1fr;row-gap:30px}
 #contact .contact-heading{margin-bottom:0}
 #contact #contact-form{grid-column:1}
}
@media(max-width:600px){
 #contact .form-actions{flex-direction:column;align-items:flex-start;gap:20px}
 #contact .contact-email{width:100%;padding:16px 0 0;border-left:0;border-top:1px solid #ffffff30}
}
/* Shared section gutters and vertical spacing around the title component. */
body.opal-home main>.page-section{padding-block:80px}
body.opal-home main>.page-section.wrap,
body.opal-home main>.page-section>.wrap,
#process-motion-host .opal-service-section,
#purchase-process .process-fallback,
#contact>.wrap{width:min(1200px,calc(100% - var(--section-gutter)*2))}
#contact .contact-inner{padding-top:80px;padding-bottom:80px}
@media(max-width:809px){
 body.opal-home main>.page-section{padding-block:60px}
 #contact .contact-inner{padding-top:60px;padding-bottom:210px}
}

/* Selected FAQ option 1: an open white card on a neutral section. */
body.opal-home main>#faq.page-section.wrap{width:100%;padding-inline:max(var(--section-gutter),calc((100% - 1200px)/2));background:#f3f3f2}
#faq .faq-list{gap:0;margin-left:27%}
#faq .faq-item{padding:0;border:1px solid transparent;border-bottom-color:#d7d7d7;border-radius:0;background:transparent}
#faq .faq-item[open]{margin-bottom:16px;border-color:transparent;border-radius:16px;background:#fff}
#faq .faq-item:has(+ .faq-item[open]){border-bottom-color:transparent}
#faq .faq-item summary{align-items:flex-start;min-height:0;padding:20px 22px;gap:24px;font-size:20px;font-weight:600;line-height:30px;letter-spacing:0}
#faq .faq-item summary::after{font-size:25px;line-height:30px}
#faq .faq-item>p{margin:-6px 0 0;padding:0 42px 20px 22px;color:#0a0a0a;opacity:.62;font-size:16px;font-weight:400;line-height:1.4;letter-spacing:0}
#faq .faq-item summary:focus-visible{outline-offset:-4px}
@media(max-width:1199px){#faq .faq-list{margin-left:0}#faq .faq-item summary{font-size:19px}#faq .faq-item>p{font-size:15px}}
@media(max-width:809px){#purchase-process .process-fallback{padding-block:60px}}

/* Clear selection contrast without disabling the other choices. */
body.opal-home{--choice-active:#0a0a0a;--choice-inactive:#676767}
#data .sample-choice .sample-name{color:var(--choice-inactive)}
#data .sample-choice[aria-pressed=true] .sample-name{color:var(--choice-active)}
#data .sample-choice .sample-thumb img{opacity:.3;transition:opacity .2s,transform .4s}
#data .sample-choice[aria-pressed=true] .sample-thumb img{opacity:1}
#data .sample-choice:is(:hover,:focus-visible) .sample-thumb img{opacity:1}
#data .sample-duration{display:none}
#data .sample-choice[aria-pressed=false] .sample-caption{opacity:1}
#data .sample-choice:is(:hover,:focus-visible) .sample-caption{opacity:1}
/* Caption option 2 with the owner's orange-rule main caption. */
#data .video-task{min-width:0;border-left:3px solid var(--accent);padding-left:16px;gap:6px}
#data .video-task strong{line-height:1.2}
/* Minimal sample player: one central control and a bottom seek track. */
#data .sample-controls{position:absolute;inset:0;z-index:2;pointer-events:none}
#data .sample-controls[hidden]{display:none}
#data .sample-play-toggle{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);display:grid;place-items:center;width:64px;height:64px;padding:0;border:1px solid #ffffff90;border-radius:50%;background:#0007;color:#fff;pointer-events:auto;cursor:pointer;transition:background .2s}
#data .sample-play-toggle:hover{background:#000a}
#data .sample-play-toggle img{grid-area:1/1;width:26px;height:26px;filter:invert(1);pointer-events:none}
#data .sample-play-toggle .sample-pause-icon,#data .sample-play-toggle[data-playing=true] .sample-play-icon{visibility:hidden}
#data .sample-play-toggle[data-playing=true] .sample-pause-icon{visibility:visible}
#data .sample-seek{position:absolute;left:24px;bottom:4px;width:calc(100% - 48px);height:44px;margin:0;padding:0;border:0;border-radius:0;appearance:none;-webkit-appearance:none;background:linear-gradient(to right,#fff 0 var(--seek-progress,0%),#ffffff50 var(--seek-progress,0%) 100%) center/100% 3px no-repeat;pointer-events:auto;cursor:pointer;touch-action:pan-y}
#data .sample-seek::-webkit-slider-runnable-track{height:3px;background:transparent;border:0}
#data .sample-seek::-moz-range-track{height:3px;background:transparent;border:0}
#data .sample-seek::-webkit-slider-thumb{width:10px;height:10px;margin-top:-3.5px;border:0;border-radius:50%;background:#fff;appearance:none;-webkit-appearance:none;opacity:0}
#data .sample-seek::-moz-range-thumb{width:10px;height:10px;border:0;border-radius:50%;background:#fff;opacity:0}
#data .sample-seek:is(:hover,:focus-visible)::-webkit-slider-thumb{opacity:1}
#data .sample-seek:is(:hover,:focus-visible)::-moz-range-thumb{opacity:1}
#data .sample-seek:disabled{cursor:default}
#data :is(.sample-play-toggle,.sample-seek):focus-visible{outline:2px solid #fff;outline-offset:3px}
#data .video-frame[data-custom-controls=true] .video-labels{padding-bottom:60px}
@media(max-width:809px){
 #data .sample-play-toggle{width:48px;height:48px}
 #data .sample-play-toggle img{width:22px;height:22px}
 #data .sample-seek{left:16px;bottom:0;width:calc(100% - 32px)}
 #data .video-frame[data-custom-controls=true] .video-labels{padding-bottom:44px}
}
@media(max-width:809px){#data .video-frame[data-custom-controls=true] .video-task>span{display:none}}
@media(max-width:360px){
 #data .video-frame[data-custom-controls=true] .video-labels{padding-bottom:32px}
 #data .video-frame[data-custom-controls=true] .video-task strong{font-size:16px}
}
@media(min-width:810px){#data .video-task>span{font-size:14px;line-height:1.4}}
#data .sample-name{font-size:12px;line-height:1.35}
@media(min-width:551px){
 #data .sample-choice{position:relative}
 #data .sample-thumb::after{content:"";position:absolute;inset:25% 0 0;background:linear-gradient(transparent,#000d);pointer-events:none}
 #data .sample-duration{top:6px;bottom:auto;z-index:1}
 #data .sample-caption{position:absolute;left:9px;right:9px;bottom:9px;margin-top:0;pointer-events:none}
 #data .sample-choice .sample-name,#data .sample-choice[aria-pressed=true] .sample-name{color:#fff;text-shadow:0 1px 4px #0008}
}
@media(max-width:809px){#data .video-task{padding-left:12px;gap:4px}}
#process-motion-host .opal-service-rows{border-top:0}
#purchase-process .process-source-step:first-child{border-top:0}
#process-motion-host .opal-service-row[aria-pressed=false] :is(h3,.opal-service-number,.opal-service-arrow){opacity:.44}
#process-motion-host .opal-service-row[aria-pressed=true] :is(h3,.opal-service-number,.opal-service-arrow){opacity:1}
#process-motion-host .opal-service-row[aria-pressed=false] :is(.process-row-description,.process-row-detail){color:#888}
#process-motion-host .opal-service-row[aria-pressed=true] :is(.process-row-description,.process-row-detail){color:#aaa}
#faq .faq-item summary{color:var(--choice-inactive)}
#faq .faq-item[open] summary{color:var(--choice-active)}
#fixed-promo-host button:disabled{opacity:.45}
body.opal-home #fixed-promo-host :is(.opal-promo-label,.base60-training-badge>span){font-family:var(--fds-font-body)}
@media(prefers-reduced-motion:reduce){#data .sample-choice .sample-thumb img{transition:none}}

/* Keep the spam trap outside the visual and keyboard form flow. */
.contact-honeypot{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);pointer-events:none}
.inquiry-submit:disabled{cursor:default}

/* Keep inquiry navigation and validation usable with a keyboard. */
#contact-form:focus{outline:none}
#contact-form .field-error{display:block;margin-top:8px;color:#ffb199;font-size:14px;line-height:1.5}
#contact-form .field-error[hidden]{display:none}
@media(max-width:1199px){
 .header-shell[data-menu-open="true"]{max-height:100dvh;overflow-y:auto;overscroll-behavior:contain}
}

/* Keep all three app/Studio controls outside the mobile content rail. */
@media(max-width:1199px),(max-height:500px){
 :root{--promo-dock-height:calc(64px + env(safe-area-inset-bottom));scroll-padding-bottom:calc(var(--promo-dock-height) + 16px)}
 body.opal-home{padding-bottom:var(--promo-dock-height)}
 body.opal-home #fixed-promo-host{left:0;right:0;bottom:0;width:100%;height:var(--promo-dock-height);padding:8px max(10px,env(safe-area-inset-right)) calc(8px + env(safe-area-inset-bottom)) max(10px,env(safe-area-inset-left));border-top:1px solid #e6e6e6;background:#fff;box-shadow:0 -2px 14px #0000000c}
 body.opal-home #fixed-promo-host .opal-promo{width:100%;max-width:480px;height:48px;margin-inline:auto}
 body.opal-home #fixed-promo-host .opal-promo-inner{width:100%;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr) 122px;gap:6px;transform:none}
 body.opal-home #fixed-promo-host :is(.opal-promo-banner,.opal-promo-buy,.base60-training-badge){width:100%;height:48px;min-height:48px;box-shadow:none}
 body.opal-home #fixed-promo-host .opal-promo-slide{object-fit:contain}
 body.opal-home #fixed-promo-host button.opal-promo-buy:disabled .opal-promo-label-main{left:8px;top:18px;font-size:12px;line-height:12px}
 body.opal-home #fixed-promo-host button.opal-promo-buy:disabled .opal-promo-disc{right:7px}
 body.opal-home #fixed-promo-host button.opal-promo-buy:disabled .base60-apple-icon{right:10px;top:18.5px}
 body.opal-home #fixed-promo-host .base60-training-badge>img{width:24px;height:24px}
 body.opal-home #fixed-promo-host .base60-training-badge>span{font-size:9px}
 .footer-minimal.wrap{padding-right:var(--fds-page-padding,20px)}
 #contact :is(input,textarea,button),.sample-choice,.hero-pause,.hero-index a{scroll-margin-bottom:calc(var(--promo-dock-height) + 16px)}
}
@media(max-width:600px){.contact-inner{padding-bottom:70px}}
@media(min-width:1200px) and (min-height:501px){
 body.opal-home #fixed-promo-host,body.opal-home #fixed-promo-host .opal-promo{height:150px}
 body.opal-home #fixed-promo-host .base60-training-badge{height:44px;min-height:44px}
 .hero-pause{margin-right:max(0px,calc(180px - max(40px,(100vw - 1200px)/2)))}
}

/* Homepage hero fill · 2026-09-24. Match the first viewport and original monochrome treatment. */
body.opal-home #hero{
 --hero-height:max(480px,calc(100dvh - 149px));
 width:100%;margin-inline:0;min-height:0;background:#343434;
}
#hero .hero-background{object-fit:cover;filter:grayscale(1);opacity:.85}
#hero .hero-shade{background:linear-gradient(90deg,#0009,#0002 85%),linear-gradient(0deg,#0008,transparent 65%)}
#hero .hero-copy{min-height:var(--hero-height);padding-block:clamp(36px,5.5svh,60px) 26px}
#hero .hero-copy h1{font-size:clamp(60px,9svh,84px);line-height:1.13}
html[lang=en] #hero .hero-copy h1{font-size:clamp(60px,min(7.2vw,9svh),84px);line-height:1.1}
#hero-motion-heading .opal-text-reveal__group{gap:20px}
#hero-motion-heading>.section-label+h1{margin-top:20px}
#hero .hero-bottom{padding-top:24px}
#hero .hero-index .opal-hero-services-header{font-size:16px;margin-bottom:12px}
#hero .hero-index .opal-hero-services a{font-size:16px;min-height:40px;padding-block:6px}
@media(max-width:1199px){
 body.opal-home #hero{--hero-height:max(570px,calc(100dvh - 93px - var(--promo-dock-height)))}
 #hero .hero-index>a,#hero .hero-index .opal-hero-services a{min-height:44px}
 #hero .hero-copy h1,html[lang=en] #hero .hero-copy h1{font-size:clamp(48px,min(7.2vw,9svh),76px)}
 #hero .hero-copy{padding-block:36px 28px}
}
@media(max-width:809px){
 body.opal-home #hero{--hero-height:max(520px,calc(100dvh - 93px - var(--promo-dock-height)))}
 #hero .hero-copy h1,html[lang=en] #hero .hero-copy h1{font-size:clamp(32px,7.8vw,60px)}
 #hero .hero-copy{padding-block:32px 26px}
 #hero .hero-bottom{gap:16px}
 #hero .hero-index:has(.opal-services){max-width:calc(100% - 60px)}
}
@media(max-width:359px){
 .header-shell .site-header.wrap{grid-template-columns:105px minmax(0,1fr) 46px}
 .header-shell .brand,.header-shell .brand img{width:105px}
 .header-shell .header-summary #language-toggle{width:95px;margin-right:8px}
}

@media(min-width:1200px) and (max-height:740px){
 #hero .hero-copy{padding-block:28px 22px}
 #hero .hero-copy h1,html[lang=en] #hero .hero-copy h1{font-size:clamp(52px,8.5svh,64px)}
 #hero .hero-bottom{padding-top:16px}
 #hero .hero-index .opal-hero-services a{min-height:36px;padding-block:4px}
}

/* Selected concept 3: monochrome service illustrations and warm neutral cards. */
body.opal-home #services{
 --service-accent:#ff5a0a;--service-card:#fff;--service-gap:24px;
 padding-block:72px;background:#f7f6f3;
}
#services .project-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:var(--service-gap);align-items:stretch;outline-offset:6px}
#services .service-film{gap:0;margin:0;padding:10px;min-height:390px;border-radius:12px;background:var(--service-card);overflow:hidden}
#services .service-film:nth-child(n+2){margin-top:0}
body.opal-home #services .service-film>.evidence-video,body.opal-home #services #service-review>.evidence-video{flex:none;aspect-ratio:1.4;width:100%;border-radius:6px!important;background:#fff}
#services .service-film-copy{padding:24px 10px 28px;color:#101010}
#services .service-film-copy h3{font-size:28px;font-weight:500;line-height:1.2;letter-spacing:-.035em;word-break:keep-all}
#services .service-film-copy>p{margin-top:20px;font-size:16px;line-height:1.5;color:#333;word-break:keep-all}
#services .service-navigation{display:flex;gap:12px;align-items:center;grid-column:1/-1;justify-self:end}
#services .service-navigation[hidden]{display:none}
#services .service-navigation button{display:grid;place-items:center;width:52px;height:52px;padding:12px;border:0;border-radius:6px;background:#fff;color:#101010;cursor:pointer}
#services .service-navigation button:disabled{opacity:.4;cursor:default}
#services .service-navigation svg{width:28px;height:28px;fill:none;stroke:currentColor;stroke-width:1.4}
#services :is(.service-navigation button,.project-grid):focus-visible{outline:2px solid var(--service-accent);outline-offset:4px}
@media(max-width:1000px){
 #services .project-grid{grid-template-columns:none;grid-auto-flow:column;grid-auto-columns:calc((100% - var(--service-gap))/2);overflow-x:auto;overscroll-behavior-x:contain;scroll-snap-type:x mandatory;scrollbar-width:thin;scrollbar-color:#b8b5ae transparent;padding-bottom:16px}
 #services .service-film{scroll-snap-align:start;min-height:390px}
}
@media(max-width:600px){
 body.opal-home #services{padding-block:48px;--service-gap:16px}
 #services .service-projects.wrap{width:calc(100% - 40px)}
 #services .service-navigation{justify-self:end}
 #services .service-navigation button{width:44px;height:44px;padding:9px}
 #services .project-grid{grid-auto-columns:90%}
 #services .service-film{min-height:360px}
 #services .service-film-copy{padding:22px 10px 24px}
 #services .service-film-copy h3{font-size:25px}
 #services .service-film-copy>p{font-size:15px;margin-top:16px}
}

/* Preserve the entire illustrative panels, including their lower data strips. */
#services .project-poster,#services #service-review .project-poster{object-fit:contain;object-position:center;background:#fff}
#services .evidence-video:is(:hover,:focus-within) .project-poster{transform:none}

/* Selected QUALITY & RIGHTS: compact diagram-and-copy cards. */
body.opal-home #standards.quality-summary{padding-block:80px;background:#f5f5f3}
body.opal-home #standards.quality-summary .section-title h2{max-width:100%;white-space:pre-line}
#standards.quality-summary>.wrap{width:min(1200px,calc(100% - var(--section-gutter)*2))}
#standards .quality-summary-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
#standards .quality-summary-card{display:grid;grid-template-columns:150px minmax(0,1fr);gap:28px;align-items:center;min-width:0;min-height:216px;padding:24px;border-radius:14px;background:#fff}
body.opal-home #standards .quality-summary-card>img{display:block;width:150px;max-width:100%;height:auto;aspect-ratio:1;object-fit:contain;border-radius:10px!important}
#standards .quality-summary-card>div{min-width:0}
#standards .quality-summary-card h3{margin:0 0 16px;color:#151719;font-size:24px;font-weight:600;line-height:1.25;letter-spacing:-.035em;word-break:keep-all;overflow-wrap:anywhere}
#standards .quality-summary-card p{margin:0;color:#6c6e70;font-size:16px;line-height:1.6;word-break:keep-all;overflow-wrap:anywhere}
@media(max-width:1199px){
 #standards .quality-summary-card{grid-template-columns:120px minmax(0,1fr);gap:20px;padding:22px}
 body.opal-home #standards .quality-summary-card>img{width:120px}
 #standards .quality-summary-card h3{font-size:22px}
}
@media(max-width:1000px){#standards .quality-summary-grid{grid-template-columns:1fr}#standards .quality-summary-card{min-height:164px}}
@media(max-width:600px){
 body.opal-home #standards.quality-summary{padding-block:48px}
 #standards .quality-summary-grid{gap:12px}
 #standards .quality-summary-card{grid-template-columns:88px minmax(0,1fr);gap:16px;padding:18px;min-height:150px}
 body.opal-home #standards .quality-summary-card>img{width:88px}
 #standards .quality-summary-card h3{font-size:20px;margin-bottom:10px}
 #standards .quality-summary-card p{font-size:14px;line-height:1.55}
}
@media(max-width:359px){#standards .quality-summary-card{grid-template-columns:64px minmax(0,1fr);padding:14px;gap:12px}body.opal-home #standards .quality-summary-card>img{width:64px}}

/* Keep the selected compact header while providing 44px touch targets. */
@media(max-width:1199px){
 .header-shell .brand{position:relative}
 .header-shell .brand::after{content:"";position:absolute;inset:-5px 0}
 .header-shell #language-toggle::after{content:"";position:absolute;inset:-6px 0}
}

/* Keep the complete navigation and inquiry action visible in short landscape views. */
@media(min-width:480px) and (max-width:1199px) and (max-height:500px){
 .header-shell .section-nav{grid-template-columns:repeat(2,minmax(0,1fr));grid-template-rows:repeat(3,44px);column-gap:24px}
 .header-shell .section-nav a:nth-child(4){margin-top:0}
 .header-shell[data-menu-open=true] .header-contact.fds-button{margin-top:16px}
}
