:root {
    --bg: #ffffff;
    --surface: #ffffff;
    --text: #121210;
    --muted: #68675f;
    --faint: #96958e;
    --rule: rgba(18, 18, 16, .18);
    --rule-strong: rgba(18, 18, 16, .48);
    --accent: #5758d6;
    --accent-soft: #eef0ff;
    --success: #218759;
    --preview-acid: #d6ff56;
    --preview-coral: #ff6f59;
    --preview-sky: #78d8f2;
    --preview-pink: #f6aed0;
    --preview-serif: "Instrument Serif", Georgia, serif;
    --font: "Inter", Arial, sans-serif;
    --container: 1260px;
    --page-gutter: clamp(1.25rem, 4.5vw, 4.5rem);
}

html { background: #fff; }
body.modern-themed-page {
    overflow-x: hidden;
    background: #fff;
    color: var(--text);
}

.modern-loader { margin: 0; background: #fff; font-family: var(--font); }
.preview-loading { display: grid; min-height: 100svh; place-content: center; justify-items: center; gap: 1rem; color: var(--muted); }
.preview-loading > span { width: 2rem; height: 2rem; border: 3px solid var(--rule); border-top-color: var(--accent); border-radius: 50%; animation: theme-spin .8s linear infinite; }
.preview-loading h1 { font-family: var(--preview-serif); font-size: 3rem; font-weight: 400; }
.preview-loading p { font-size: .8rem; }

body.menu-open { overflow: hidden; }
.header {
    position: sticky;
    z-index: 100;
    top: 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    height: 5rem;
    padding-inline: var(--page-gutter);
    border-bottom: 1px solid transparent;
    background: rgba(255,255,255,.96);
    transition: background .25s ease, border-color .25s ease, height .25s ease;
}
.header.scrolled { height: 4.25rem; border-color: var(--rule); background: rgba(255,255,255,.9); backdrop-filter: blur(18px); }
.brand { display: flex; align-items: baseline; gap: .7rem; color: var(--text); text-decoration: none; }
.brand span { font-size: .92rem; font-weight: 600; letter-spacing: -.03em; }
.brand small { color: var(--muted); font-size: .66rem; font-weight: 500; letter-spacing: .08em; text-transform: uppercase; }
.header nav { display: flex; align-items: center; gap: clamp(1.5rem, 3vw, 3.25rem); }
.header nav a { position: relative; color: var(--muted); font-size: .78rem; font-weight: 500; text-decoration: none; }
.header nav a::after { position: absolute; right: 0; bottom: -.4rem; left: 0; height: 1px; transform: scaleX(0); transform-origin: left; background: var(--text); content: ""; transition: transform .2s ease; }
.header nav a:hover { color: var(--text); }
.header nav a:hover::after { transform: scaleX(1); }
.menu-button { display: none; padding: 0; border: 0; background: transparent; }

.theme-ticker { position: relative; z-index: 8; overflow: hidden; border-bottom: 1px solid var(--text); background: var(--preview-acid); }
.theme-ticker > div { display: flex; align-items: center; width: max-content; height: 2.5rem; animation: theme-marquee 28s linear infinite; }
.theme-ticker span { padding-inline: 1.25rem; font-size: .6rem; font-weight: 600; letter-spacing: .09em; text-transform: uppercase; }
.theme-ticker i { color: var(--accent); font-style: normal; }
.theme-ticker:hover > div { animation-play-state: paused; }

.work-heading, .gallery-intro, .page-intro, .case-study-hero {
    position: relative;
    overflow: clip;
    background-color: #fff;
    background-image: linear-gradient(rgba(18,18,16,.055) 1px, transparent 1px), linear-gradient(90deg, rgba(18,18,16,.055) 1px, transparent 1px);
    background-size: clamp(3rem, 5vw, 5rem) clamp(3rem, 5vw, 5rem);
}
.work-heading::after, .gallery-intro::after, .page-intro::after, .case-study-hero::after {
    position: absolute;
    z-index: 0;
    top: -8rem;
    right: -7rem;
    width: clamp(16rem, 34vw, 32rem);
    height: clamp(16rem, 34vw, 32rem);
    border-radius: 50%;
    background: radial-gradient(circle, rgba(120,216,242,.36), rgba(120,216,242,0) 68%);
    content: "";
    pointer-events: none;
}
.work-heading > *, .gallery-intro > *, .page-intro > *, .case-study-hero > * { position: relative; z-index: 2; }
.theme-shapes { position: absolute !important; inset: 0; z-index: 1 !important; pointer-events: none; }
.theme-shapes i { position: absolute; display: block; }
.theme-shapes i:nth-child(1) { top: 24%; right: 11%; width: 3.2rem; height: 3.2rem; border-radius: 50%; background: var(--preview-coral); animation: theme-float 6s ease-in-out infinite; }
.theme-shapes i:nth-child(2) { right: 3%; bottom: 12%; width: 4rem; height: 4rem; transform: rotate(12deg); background: var(--preview-acid); animation: theme-soft-spin 14s linear infinite; }
.theme-shapes i:nth-child(3) { bottom: 18%; left: 10%; width: 4.5rem; height: 1.1rem; border-radius: 3rem; background: var(--accent); animation: theme-drift 7s ease-in-out infinite alternate; }

.work-heading { max-width: none; min-height: 25rem; padding-inline: max(var(--page-gutter), calc((100% - var(--container))/2 + var(--page-gutter))); padding-block: clamp(5rem, 10vw, 9rem); border-bottom: 1px solid var(--text); }
.work-heading h1, .gallery-intro h1, .page-intro h1, .cs-title {
    font-family: var(--preview-serif);
    font-weight: 400;
    letter-spacing: -.05em;
    line-height: .93;
}
.work-heading h1 { font-size: clamp(5rem, 10vw, 9rem); }
.page-index, .overline, .cs-meta, .case-row__meta, .experiment-item__meta { font-size: .66rem; letter-spacing: .1em; }

.work-group { padding-block: clamp(5rem, 9vw, 9rem); }
.work-group__heading { padding-bottom: 2.5rem; border-bottom: 1px solid var(--text); }
.work-group__heading h2 { font-family: var(--preview-serif); font-size: clamp(3rem, 6vw, 5.5rem); font-weight: 400; letter-spacing: -.05em; }
.work-group .project-card-grid { gap: clamp(1.25rem, 2.5vw, 2.5rem); }

.project-card {
    position: relative;
    border-color: var(--text);
    background: #fff;
    transition: transform .35s cubic-bezier(.2,.8,.2,1), box-shadow .35s ease, background .25s ease;
}
.project-card::before { position: absolute; z-index: 2; top: .75rem; left: .75rem; display: grid; width: 1.8rem; height: 1.8rem; place-items: center; border: 1px solid var(--text); border-radius: 50%; background: var(--preview-acid); content: "✦"; font-size: .65rem; opacity: 0; transform: rotate(-40deg) scale(.6); transition: opacity .25s ease, transform .35s ease; }
.project-card:hover { transform: translate(-.35rem,-.35rem); border-color: var(--text); background: #fff; box-shadow: .55rem .55rem 0 var(--text); }
.project-card:hover::before { opacity: 1; transform: rotate(0) scale(1); }
.project-card__media { background: #f2f4f7; }
.project-card__media--stat { background: var(--accent); }
.project-card__body { padding: 1.25rem 1.2rem 1.5rem; }
.project-card__body strong { font-size: 1.08rem; }
.project-card-grid .project-card:nth-child(3n+1) { border-top: .55rem solid var(--preview-sky); }
.project-card-grid .project-card:nth-child(3n+2) { border-top: .55rem solid var(--preview-coral); }
.project-card-grid .project-card:nth-child(3n+3) { border-top: .55rem solid var(--preview-pink); }

.gallery-intro { padding-block: clamp(5rem, 10vw, 9rem) 0; }
.gallery-intro h1 { max-width: 12ch; font-size: clamp(4rem, 9vw, 8rem); }
.gallery-filter { margin-top: clamp(3rem, 6vw, 6rem); background: rgba(255,255,255,.72); }
.gallery-filter button { border-radius: 100px; }
.gallery-filter button[aria-pressed="true"] { border-color: var(--text); background: var(--preview-acid); color: var(--text); box-shadow: .2rem .2rem 0 var(--text); }
.gallery-collection { background: #fff; }
.gallery-grid { grid-template-columns: repeat(12, 1fr); gap: clamp(3rem, 6vw, 6rem) clamp(1rem, 2vw, 1.5rem); }
.gallery-item { grid-column: span 4; }
.gallery-item:nth-child(5n+1), .gallery-item:nth-child(5n+4) { grid-column: span 7; }
.gallery-item:nth-child(5n+2), .gallery-item:nth-child(5n+5) { grid-column: span 5; padding-top: clamp(2rem, 6vw, 6rem); }
.gallery-item:nth-child(5n+3) { grid-column: span 4; }
.gallery-open { border: .65rem solid var(--preview-sky); border-radius: 0; transition: transform .35s ease, box-shadow .35s ease; }
.gallery-item:nth-child(4n+2) .gallery-open { border-color: var(--preview-coral); }
.gallery-item:nth-child(4n+3) .gallery-open { border-color: var(--preview-pink); }
.gallery-item:nth-child(4n+4) .gallery-open { border-color: var(--preview-acid); }
.gallery-open:hover { transform: translate(-.3rem,-.3rem); box-shadow: .5rem .5rem 0 var(--text); }

.page-intro { padding-block: clamp(5rem, 10vw, 9rem); }
.page-intro h1 { max-width: 13ch; font-size: clamp(4rem, 8vw, 7rem); }
.experiment-index { background: #fff; }
.experiment-item { padding-block: clamp(4rem, 8vw, 7rem); }
.experiment-item__meta span:first-child { display: grid; width: 2rem; height: 2rem; place-items: center; border: 1px solid var(--text); border-radius: 50%; background: var(--preview-acid); box-shadow: .25rem .25rem 0 var(--text); }
.experiment-item__main { align-items: center; }
.experiment-item__content h2 { font-family: var(--preview-serif); font-size: clamp(2.5rem, 5vw, 4.5rem); font-weight: 400; line-height: .98; }
.experiment-item__media { border: .7rem solid var(--preview-sky); transition: transform .35s ease, box-shadow .35s ease; }
.experiment-item:nth-child(even) .experiment-item__media { border-color: var(--preview-coral); }
.experiment-item:hover .experiment-item__media { transform: rotate(-1deg) translate(-.3rem,-.3rem); box-shadow: .6rem .6rem 0 var(--text); }

.case-study-hero { padding-block: clamp(4rem, 9vw, 8rem); }
.case-study-hero .container { position: relative; }
.breadcrumb ol { padding: .55rem .8rem; border: 1px solid var(--text); background: #fff; width: fit-content; }
.cs-title { max-width: 15ch; font-size: clamp(4rem, 8vw, 7.5rem); background: none !important; color: var(--text) !important; -webkit-text-fill-color: currentColor !important; }
.cs-title::first-letter { color: var(--accent); }
.cs-summary { max-width: 52rem; font-size: clamp(1rem, 1.5vw, 1.2rem); }
.cs-project-facts { border-color: var(--text); }
.cs-project-facts > div { min-height: 7.5rem; padding: 1.25rem; }
.cs-project-facts > div:nth-child(1) { background: var(--preview-acid); }
.cs-project-facts > div:nth-child(2) { background: var(--preview-sky); }
.cs-project-facts > div:nth-child(3) { background: var(--preview-pink); }
.cs-project-facts > div:nth-child(4) { background: var(--preview-coral); }
.cs-project-facts dt { color: rgba(18,18,16,.62); }

.case-study-content { background: #fff; }
.cs-layout { grid-template-columns: minmax(8rem, 1.2fr) minmax(0, 6.8fr); }
.cs-layout::before { color: var(--muted); content: "Case study / Scroll"; font-size: .6rem; letter-spacing: .1em; text-transform: uppercase; }
.cs-body > h2 { font-family: var(--preview-serif); font-size: clamp(2.5rem, 4.5vw, 4.25rem); font-weight: 400; letter-spacing: -.04em; line-height: 1; }
.cs-body > h3 { font-size: 1.35rem; }
.cs-body > p, .cs-body > ul, .cs-body > ol { font-size: 1rem; line-height: 1.75; }
.cs-body img, .cs-visual img, .cs-body video { border: 1px solid var(--text); }
.cs-visual, .cs-hero-visual { position: relative; }
.cs-visual::after { position: absolute; z-index: -1; inset: .65rem -.65rem -.65rem .65rem; background: var(--preview-sky); content: ""; }

.cs-metrics-grid, .cs-process, .cs-design-grid, .cs-quote-grid, .cs-surface-grid, .platform-timeline, .platform-point-grid { border-color: var(--text); }
.cs-metric-card, .cs-process-step, .cs-design-card, .cs-quote-card { min-height: 10rem; padding: 1.35rem !important; }
.cs-metric-card:nth-child(4n+1), .cs-process-step:nth-child(4n+1), .cs-design-card:nth-child(4n+1) { background: var(--preview-acid); }
.cs-metric-card:nth-child(4n+2), .cs-process-step:nth-child(4n+2), .cs-design-card:nth-child(4n+2) { background: var(--preview-sky); }
.cs-metric-card:nth-child(4n+3), .cs-process-step:nth-child(4n+3), .cs-design-card:nth-child(4n+3) { background: var(--preview-pink); }
.cs-metric-card:nth-child(4n+4), .cs-process-step:nth-child(4n+4), .cs-design-card:nth-child(4n+4) { background: var(--preview-coral); }
.cs-metric-num { font-family: var(--preview-serif); font-size: clamp(2.5rem, 5vw, 4.5rem); font-weight: 400; }
.cs-evidence-panel, .cs-callout, .cs-external-banner, .embargo-note { border-color: var(--text); background: var(--accent-soft); }
.cs-callout { border-left: .7rem solid var(--accent); }
.more-case-studies { background: var(--text); color: #fff; }
.more-case-studies h2 { font-family: var(--preview-serif); font-size: clamp(3rem, 6vw, 5rem); font-weight: 400; }
.more-cs-card { color: #fff; }
.more-cs-card:hover { padding-inline: 1rem; background: var(--accent); color: #fff; }

.health-page { background: #fff !important; }
.health-page .health-app { background-image: linear-gradient(rgba(18,18,16,.045) 1px, transparent 1px), linear-gradient(90deg, rgba(18,18,16,.045) 1px, transparent 1px); background-size: 4rem 4rem; }
.health-page .health-card, .health-page .metric-card { border: 1px solid var(--text); border-radius: 0; background: #fff; box-shadow: none; }
.health-page .health-card:nth-child(4n+1), .health-page .metric-card:nth-child(4n+1) { border-top: .5rem solid var(--preview-acid); }
.health-page .health-card:nth-child(4n+2), .health-page .metric-card:nth-child(4n+2) { border-top: .5rem solid var(--preview-sky); }
.health-page .health-card:nth-child(4n+3), .health-page .metric-card:nth-child(4n+3) { border-top: .5rem solid var(--preview-coral); }

.site-footer, body > footer { border-color: var(--rule); background: #fff; }
.preview-mode { position: fixed; z-index: 120; right: 1rem; bottom: 1rem; display: flex; align-items: center; gap: .55rem; padding: .65rem .85rem; border: 1px solid var(--text); border-radius: 100px; background: #fff; color: var(--text); box-shadow: .25rem .25rem 0 var(--text); font-size: .62rem; font-weight: 600; letter-spacing: .06em; text-decoration: none; text-transform: uppercase; }
.preview-mode i { width: .45rem; height: .45rem; border-radius: 50%; background: var(--accent); animation: theme-pulse 1.8s ease-in-out infinite; }

.theme-reveal { opacity: 0; transform: translateY(1.5rem); transition: opacity .65s ease var(--reveal-delay), transform .75s cubic-bezier(.2,.8,.2,1) var(--reveal-delay); }
.theme-reveal.theme-visible { opacity: 1; transform: none; }

@keyframes theme-spin { to { transform: rotate(360deg); } }
@keyframes theme-marquee { to { transform: translateX(-50%); } }
@keyframes theme-float { 0%,100% { transform: translate(0,0); } 50% { transform: translate(1.2rem,-1.2rem); } }
@keyframes theme-soft-spin { to { transform: rotate(372deg); } }
@keyframes theme-drift { to { transform: translateX(3rem) rotate(-8deg); } }
@keyframes theme-pulse { 50% { transform: scale(1.45); opacity: .55; } }

@media (max-width: 960px) {
    .gallery-item, .gallery-item:nth-child(n) { grid-column: span 6; padding-top: 0; }
    .cs-layout { grid-template-columns: minmax(6rem, 1fr) minmax(0, 7fr); }
}

@media (max-width: 760px) {
    .header, .header.scrolled { height: 4.25rem; }
    .brand small { display: none; }
    .menu-button { display: flex; align-items: center; gap: .75rem; cursor: pointer; }
    .menu-button span { font-size: .7rem; font-weight: 600; }
    .menu-button i, .menu-button i::after { display: block; width: 1rem; height: 1px; background: currentColor; content: ""; transition: transform .2s ease; }
    .menu-button i::after { transform: translateY(.35rem); }
    .menu-open .menu-button i { transform: rotate(45deg); }
    .menu-open .menu-button i::after { transform: rotate(-90deg); }
    .header nav { position: fixed; inset: 4.25rem 0 0; display: grid; align-content: start; gap: 0; padding: 1rem var(--page-gutter) 2rem; transform: translateY(-110%); background: #fff; visibility: hidden; opacity: 0; transition: transform .3s ease, opacity .2s ease, visibility 0s .3s; }
    .menu-open .header nav { transform: none; visibility: visible; opacity: 1; transition: transform .3s ease, opacity .2s ease; }
    .header nav a { padding-block: 1.25rem; border-bottom: 1px solid var(--rule); color: var(--text); font-family: var(--preview-serif); font-size: 2rem; font-weight: 400; }
    .header nav a::after { display: none; }
    .work-heading { min-height: 22rem; padding-block: 4.5rem; }
    .work-heading h1 { font-size: clamp(4.5rem, 24vw, 7rem); }
    .theme-shapes i:nth-child(1) { right: .25rem; }
    .theme-shapes i:nth-child(2) { right: .25rem; width: 3rem; height: 3rem; }
    .theme-shapes i:nth-child(3) { display: none; }
    .work-group { padding-block: 4.5rem; }
    .project-card:hover, .gallery-open:hover { transform: none; box-shadow: none; }
    .gallery-grid { grid-template-columns: 1fr; }
    .gallery-item, .gallery-item:nth-child(n) { grid-column: 1; }
    .gallery-open { border-width: .45rem; }
    .page-intro h1, .gallery-intro h1, .cs-title { font-size: clamp(3.5rem, 17vw, 5rem); }
    .cs-project-facts { grid-template-columns: 1fr 1fr; }
    .cs-project-facts > div { min-height: 6.5rem; }
    .cs-layout { grid-template-columns: 1fr; }
    .cs-layout::before { display: none; }
    .cs-body > h2 { font-size: 2.65rem; }
    .preview-mode span { display: none; }
    .preview-mode { padding: .7rem; }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
    .theme-reveal { opacity: 1; transform: none; }
}