:root{
  --primary:#0066cc; --primary-focus:#0071e3; --primary-on-dark:#2997ff;
  --ink:#1d1d1f; --body:#1d1d1f; --muted:#7a7a7a; --muted-dark:#cccccc;
  --canvas:#fff; --parchment:#f5f5f7; --pearl:#fafafc;
  --tile1:#272729; --tile2:#2a2a2c; --tile3:#252527; --black:#000;
  --hairline:#e0e0e0; --soft:#f0f0f0;
  --radius-sm:8px; --radius-md:11px; --radius-lg:18px; --pill:999px;
  --shadow-product:rgba(0,0,0,.22) 3px 5px 30px 0;
  --max:1440px; --text-max:980px;
}
*{box-sizing:border-box} html{scroll-behavior:smooth} body{margin:0;background:var(--canvas);color:var(--body);font-family:"SF Pro Text",system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;font-size:17px;line-height:1.47;letter-spacing:-.374px;-webkit-font-smoothing:antialiased} a{color:var(--primary);text-decoration:none} a:hover{text-decoration:underline} img{max-width:100%;display:block} button,input{font:inherit}

/* ── Global Nav ─────────────────────────────────────────── */
.global-nav{height:44px;background:var(--black);color:#fff;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;padding:0 22px;position:sticky;top:0;z-index:20;font-size:14px;line-height:1;letter-spacing:-.12px}
.brand-logo{height:22px;width:auto;display:block;opacity:1!important}
.brand-nav{display:flex;align-items:center;opacity:1}
.brand-nav:hover{text-decoration:none}
.brand-nav:hover .brand-logo{opacity:1!important;filter:brightness(1)!important}
.nav-links{display:flex;align-items:center;justify-content:center;gap:28px}
.nav-links a{color:#fff;opacity:.84;font-size:14px;letter-spacing:-.12px}
.nav-links a:hover{opacity:1;text-decoration:none}
.nav-right{display:flex;align-items:center;gap:12px;justify-content:flex-end}
.nav-icon{color:#fff;opacity:.84;background:none;border:0;font-size:18px;cursor:pointer;padding:0 4px}
.nav-icon:hover{opacity:1}
.lang-toggle{background:rgba(255,255,255,.12);color:#fff;border:1px solid rgba(255,255,255,.22);border-radius:var(--pill);padding:5px 12px;font-size:12px;cursor:pointer;letter-spacing:0;white-space:nowrap;transition:background .15s}
.lang-toggle:hover{background:rgba(255,255,255,.22)}
.hamburger{display:none;background:none;border:0;width:44px;height:44px;align-items:center;justify-content:center;gap:5px;flex-direction:column}
.hamburger span{display:block;width:17px;height:1px;background:#fff}

/* ── Sub Nav ─────────────────────────────────────────────── */
.sub-nav-frosted{height:52px;position:sticky;top:44px;z-index:19;display:flex;align-items:center;justify-content:space-between;padding:0 max(24px,calc((100vw - var(--max))/2 + 32px));background:rgba(245,245,247,.82);backdrop-filter:saturate(180%) blur(20px);border-bottom:1px solid rgba(0,0,0,.08)}
.sub-title{font-size:21px;font-weight:600;letter-spacing:.231px;color:var(--ink)}
.sub-title:hover{text-decoration:none}
.sub-links{display:flex;align-items:center;gap:22px}
.sub-links a{font-size:14px;color:var(--ink);letter-spacing:-.224px}
.pill-small{background:var(--primary);color:#fff!important;border-radius:var(--pill);padding:7px 15px}

/* ── App Shell ───────────────────────────────────────────── */
.app-shell{min-height:70vh}
.view{animation:fade .35s ease both}
@keyframes fade{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}

/* ── Hero ────────────────────────────────────────────────── */
.hero{min-height:calc(100vh - 96px);display:grid;place-items:center;text-align:center;padding:72px 24px 40px;background:var(--parchment)}
.hero.dark{background:var(--tile1);color:#fff}
.hero.white{background:#fff}
.hero-inner{width:min(1100px,100%);margin:0 auto}
.eyebrow{font-size:14px;font-weight:600;color:var(--muted);letter-spacing:-.224px;margin-bottom:14px}
.dark .eyebrow{color:var(--muted-dark)}
.hero h1{font-family:"SF Pro Display",system-ui,-apple-system,sans-serif;font-size:clamp(40px,6vw,76px);font-weight:600;letter-spacing:-.06em;line-height:1.02;margin:0 auto 18px;max-width:980px}
.hero .lead{font-family:"SF Pro Display",system-ui,-apple-system,sans-serif;font-size:clamp(21px,2.8vw,30px);font-weight:400;line-height:1.18;letter-spacing:.196px;max-width:850px;margin:0 auto 28px}
.cta-row{display:flex;gap:14px;justify-content:center;align-items:center;flex-wrap:wrap;margin-top:24px}
.button-primary,.button-secondary,.button-dark{border-radius:var(--pill);padding:11px 22px;font-size:17px;line-height:1.1;border:1px solid transparent;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:8px}
.button-primary{background:var(--primary);color:#fff}
.button-secondary{background:transparent;border-color:var(--primary);color:var(--primary)}
.dark .button-secondary{color:var(--primary-on-dark);border-color:var(--primary-on-dark)}
.button-dark{background:var(--ink);color:#fff;border-radius:var(--radius-sm);font-size:14px;padding:8px 15px}
.button-primary:active,.button-secondary:active,.button-dark:active{transform:scale(.95)}
.hero-art{width:min(920px,90vw);margin:42px auto 0;border-radius:var(--radius-lg);object-fit:cover;aspect-ratio:16/9;filter:drop-shadow(var(--shadow-product))}
.hero-home{position:relative;overflow:hidden}
.hero-home .hero-inner{position:relative;z-index:1}
.hero-bg-canvas{position:absolute;inset:0;width:100%;height:100%;display:block;z-index:0}

/* ── Tiles ───────────────────────────────────────────────── */
.tile{padding:80px 24px;text-align:center}
.tile.light{background:#fff;color:var(--ink)}
.tile.parchment{background:var(--parchment);color:var(--ink)}
.tile.dark{background:var(--tile1);color:#fff}
.tile.dark2{background:var(--tile2);color:#fff}
.tile h2{font-family:"SF Pro Display",system-ui,-apple-system,sans-serif;font-size:clamp(34px,4.2vw,56px);line-height:1.07;font-weight:600;letter-spacing:-.04em;margin:0 auto 14px;max-width:900px}
.tile p.tile-lead{font-size:clamp(20px,2.2vw,28px);line-height:1.18;letter-spacing:.196px;margin:0 auto 22px;max-width:820px}
.tile-media{width:min(760px,82vw);margin:36px auto 0;border-radius:var(--radius-lg);object-fit:cover;aspect-ratio:16/9;filter:drop-shadow(var(--shadow-product))}

/* ── Stats Row ───────────────────────────────────────────── */
.stats-row{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;max-width:var(--max);margin:0 auto;padding:64px 32px;background:var(--canvas)}
.stat-item{text-align:center;display:flex;flex-direction:column;gap:8px}
.stat-num{font-family:"SF Pro Display",system-ui,-apple-system,sans-serif;font-size:clamp(44px,6vw,64px);font-weight:600;letter-spacing:-.04em;line-height:1;color:var(--ink)}
.stat-cap{font-size:15px;color:var(--muted);letter-spacing:-.2px}
@media(max-width:640px){.stats-row{grid-template-columns:1fr;gap:32px;padding:48px 24px}}

/* ── Section Header ──────────────────────────────────────── */
.section-header{padding:80px 24px 40px;text-align:center;background:var(--canvas)}
.section-header.parchment{background:var(--parchment)}
.section-header.dark{background:var(--tile1);color:#fff}
.section-header h1,.section-header h2{font-size:clamp(38px,5vw,64px);font-family:"SF Pro Display",system-ui,-apple-system,sans-serif;font-weight:600;letter-spacing:-.055em;line-height:1.06;margin:0 auto 16px;max-width:960px}
.section-header p{font-size:21px;max-width:780px;margin:0 auto;color:var(--muted);letter-spacing:-.2px}
.section-header.dark p{color:var(--muted-dark)}

/* ── Content ─────────────────────────────────────────────── */
.content{max-width:var(--max);margin:0 auto;padding:40px 32px 80px}
.content.narrow{max-width:var(--text-max)}

/* ── Grid & Cards ────────────────────────────────────────── */
.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}
.card{background:var(--canvas);border:1px solid var(--hairline);border-radius:var(--radius-lg);padding:24px;min-height:220px;display:flex;flex-direction:column;gap:16px;color:var(--ink);transition:transform .18s ease,border-color .18s ease}
.card:hover{transform:translateY(-2px);text-decoration:none;border-color:#c9c9cf}
.card.dark{background:var(--tile1);color:#fff;border-color:transparent}
.card h3{font-size:24px;font-weight:600;letter-spacing:-.025em;line-height:1.14;margin:0}
.card p{margin:0;color:var(--muted);font-size:15px}
.card.dark p{color:var(--muted-dark)}
.card .meta{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.02em}
.card img{border-radius:var(--radius-sm);aspect-ratio:16/10;object-fit:cover;background:var(--canvas)}

/* ── Chips ───────────────────────────────────────────────── */
.chip-row{display:flex;gap:10px;flex-wrap:wrap;margin:0 0 28px}
.chip{background:#fff;border:1px solid var(--hairline);border-radius:var(--pill);padding:10px 16px;font-size:14px;color:var(--ink);cursor:pointer}
.chip.is-active{border:2px solid var(--primary-focus);padding:9px 15px}

/* ── Split Layout ─────────────────────────────────────────── */
.split{display:grid;grid-template-columns:1.2fr .8fr;gap:48px;align-items:start}
.split>*{min-width:0}
.project-split{grid-template-columns:2fr 1fr}
.contact-split{grid-template-columns:1.8fr 1fr;gap:40px}

/* ── Detail Hero ─────────────────────────────────────────── */
.detail-hero{padding:64px 32px;background:var(--parchment);border-bottom:1px solid var(--hairline)}
.detail-hero .wrap{max-width:var(--text-max);margin:0 auto}
.breadcrumb{font-size:14px;color:var(--muted);margin-bottom:20px}
.breadcrumb a{color:var(--primary)}
.detail-hero h1{font-family:"SF Pro Display",system-ui,-apple-system,sans-serif;font-size:clamp(42px,5vw,68px);line-height:1.06;letter-spacing:-.055em;margin:0 0 12px}
.detail-hero p{font-size:24px;line-height:1.35;margin:0;color:#333}
.hero-id{display:flex;align-items:center;gap:36px}
.hero-id-text{min-width:0}
.hero-avatar{width:160px;height:160px;border-radius:50%;object-fit:cover;flex-shrink:0}
.hero-avatar-init{background:var(--ink);display:flex;align-items:center;justify-content:center;font-size:56px;font-weight:600;color:#fff}
@media(max-width:640px){.hero-id{flex-direction:column;align-items:flex-start;gap:20px}.hero-avatar,.hero-avatar-init{width:120px;height:120px;font-size:44px}}

/* ── Prose ───────────────────────────────────────────────── */
.prose{font-size:17px;line-height:1.6}
.prose h2{font-size:34px;line-height:1.15;letter-spacing:-.04em;margin:42px 0 12px}
.prose p{color:#333}
.cv-list{list-style:none;padding:0;margin:0;display:grid;gap:12px}
.cv-list li{color:#333;padding-left:16px;position:relative;line-height:1.55}
.cv-list li::before{content:"";position:absolute;left:0;top:11px;width:5px;height:5px;border-radius:50%;background:var(--ink,#111)}
.cv-list .cv-sub{display:block;margin-top:4px;font-size:14px;color:var(--muted,#777)}

/* ── Spec List ───────────────────────────────────────────── */
.spec-list{display:grid;gap:12px}
.spec{padding:18px 0;border-bottom:1px solid var(--hairline)}
.spec strong{display:block;font-size:14px;color:var(--muted);font-weight:400}
.spec span{font-size:18px;color:var(--ink)}
.side-panel{position:sticky;top:124px;background:var(--parchment);border-radius:var(--radius-lg);padding:24px}

/* ── Person Avatar ───────────────────────────────────────── */
.person-avatar{width:80px;height:80px;border-radius:50%;overflow:hidden;background:var(--ink);display:flex;align-items:center;justify-content:center;font-size:22px;font-weight:600;color:#fff;flex-shrink:0}
.person-avatar img{width:100%;height:100%;object-fit:cover}
.pi-card-wrap{display:flex;flex-direction:column;gap:16px;max-width:680px}
.pi-card{flex-direction:row!important;align-items:center;gap:28px;padding:28px;min-height:auto!important}
.pi-avatar{width:120px;height:120px;border-radius:50%;object-fit:cover;flex-shrink:0}
.pi-avatar-init{width:120px;height:120px;border-radius:50%;background:var(--ink);display:flex;align-items:center;justify-content:center;font-size:36px;font-weight:600;color:#fff;flex-shrink:0}
.pi-card-body{display:flex;flex-direction:column;gap:6px}
.pi-card-body h3{font-size:22px;margin:0}
.pi-card-body p{margin:0;font-size:14px;color:var(--muted)}

/* ── People category subheadings ────────────────────────── */
.section-subhead{font-family:"SF Pro Display",system-ui,-apple-system,sans-serif;font-size:22px;font-weight:600;letter-spacing:-.03em;color:var(--ink);margin:48px 0 20px;padding-bottom:12px;border-bottom:1px solid var(--hairline)}
.intern-card{min-height:auto!important}
/* ── Intern/alumni responsive grid ──────────────────────── */
.grid-interns{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}
@media(max-width:1100px){.grid-interns{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(max-width:700px){.grid-interns{grid-template-columns:repeat(2,minmax(0,1fr))}.alumni-section .grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
/* ── Gallery date ────────────────────────────────────────── */
.gallery-date{font-size:12px;color:var(--muted);margin:10px 0 2px;letter-spacing:.01em}

/* ── Alumni ──────────────────────────────────────────────── */
.alumni-heading{font-family:"SF Pro Display",system-ui,-apple-system,sans-serif;font-size:34px;font-weight:600;letter-spacing:-.04em;margin:0 0 24px;color:var(--ink)}
.alumni-section{padding:0 32px 80px;max-width:var(--max);margin:0 auto}
.alumni-section .grid{grid-template-columns:repeat(4,minmax(0,1fr))}
@media(max-width:1100px){.alumni-section .grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
.alumni-card{min-height:auto!important}
.alumni-card img{aspect-ratio:1;border-radius:50%!important;width:72px;height:72px;object-fit:cover}

/* ── Publications ────────────────────────────────────────── */
.pub-year-head{font-family:"SF Pro Display",system-ui,-apple-system,sans-serif;font-size:22px;font-weight:600;letter-spacing:-.02em;color:var(--ink);margin:36px 0 4px;padding-bottom:8px;border-bottom:2px solid var(--ink)}
.pub-year-head:first-of-type{margin-top:8px}
.paper{display:grid;grid-template-columns:1fr auto;gap:20px;padding:22px 0;border-bottom:1px solid var(--hairline)}
.paper h3{font-size:20px;margin:0 0 8px;letter-spacing:-.02em}
.paper p{margin:0;color:var(--muted);font-size:14px}
.paper a{align-self:center}

/* ── Gallery ─────────────────────────────────────────────── */
.gallery-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.gallery-card{border:0;background:transparent;text-align:left;padding:0;cursor:pointer;color:inherit}
.gallery-card img{border-radius:var(--radius-lg);aspect-ratio:4/3;object-fit:cover;background:var(--parchment)}
.gallery-card h3{font-size:20px;margin:14px 0 4px;letter-spacing:-.02em}
.gallery-card p{margin:0;color:var(--muted);font-size:14px}

/* ── Store Strip (unused, kept for reference) ────────────── */
.store-strip{background:var(--parchment);padding:28px 0;overflow:hidden}
.marquee{display:flex;gap:0;animation:slide 35s linear infinite;width:max-content}
.marquee span{background:#fff;border-radius:var(--radius-lg);padding:18px 24px;border:1px solid var(--hairline);white-space:nowrap;font-weight:600;margin-right:16px}
@keyframes slide{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* ── Collaborator Logo Strip ─────────────────────────────── */
.collab-logos-strip{overflow:hidden;padding:28px 0;background:var(--tile1)}
.collab-logos-strip.inset{padding:12px 0;background:transparent}
.collab-marquee{display:flex;gap:0;width:max-content;align-items:center;will-change:transform}
.collab-marquee.is-running{animation:slide-logos var(--marquee-duration,22s) linear infinite}
.collab-logo{height:36px;width:80px;object-fit:contain;display:block;flex-shrink:0;opacity:.9;filter:none;margin-right:56px}
.collab-logo:hover{opacity:1}
@keyframes slide-logos{0%{transform:translateX(0)}100%{transform:translateX(var(--marquee-offset,0px))}}
.collab-section-title{font-size:14px;font-weight:600;color:var(--muted);letter-spacing:.04em;text-transform:uppercase;margin:32px 0 4px}
.collab-aside-box{margin-top:24px;background:var(--parchment);border-radius:var(--radius-lg);padding:20px;overflow:hidden}
.collab-aside-box .collab-section-title{margin:0 0 6px}

/* ── Floating Bar ────────────────────────────────────────── */
.floating-bar{position:fixed;bottom:18px;left:50%;transform:translateX(-50%);width:min(760px,calc(100vw - 32px));height:64px;background:rgba(245,245,247,.86);backdrop-filter:saturate(180%) blur(20px);border:1px solid rgba(0,0,0,.08);border-radius:var(--radius-lg);display:none;align-items:center;justify-content:space-between;padding:12px 18px;z-index:18}
.floating-bar.show{display:flex}

/* ── Footer ──────────────────────────────────────────────── */
.footer{background:var(--parchment);padding:64px 32px 28px;color:#333}
.footer-grid{max-width:var(--max);margin:0 auto;display:grid;grid-template-columns:2fr 1fr 1fr 1.4fr;gap:32px}
.footer h3{font-size:14px;margin:0 0 14px;color:var(--ink)}
.footer p,.footer a{display:block;font-size:12px;line-height:1.5;color:#555;margin:0 0 8px}
.legal{max-width:var(--max);margin:38px auto 0!important;color:var(--muted)!important;border-top:1px solid var(--hairline);padding-top:18px}

/* ── Search Dialog ───────────────────────────────────────── */
.search-dialog{border:0;border-radius:var(--radius-lg);padding:0;width:min(720px,92vw);box-shadow:0 20px 70px rgba(0,0,0,.28)}
.search-dialog::backdrop{background:rgba(0,0,0,.45);backdrop-filter:blur(8px)}
.search-panel{padding:28px;background:#fff}
.search-panel label{display:block;font-size:28px;font-weight:600;letter-spacing:-.04em;margin-bottom:18px}
.search-panel input{width:100%;height:48px;border:1px solid var(--hairline);border-radius:var(--pill);padding:0 20px;font-size:17px}
.close{float:right;border:0;background:var(--parchment);border-radius:50%;width:36px;height:36px;font-size:24px;cursor:pointer}
.search-results{display:grid;gap:10px;margin-top:18px}
.result{border:1px solid var(--hairline);border-radius:var(--radius-lg);padding:16px;color:var(--ink)}
.result:hover{text-decoration:none;border-color:#bbb}
.empty{padding:18px;color:var(--muted)}

/* ── Responsive ──────────────────────────────────────────── */
@media(max-width:900px){
  .nav-links{display:none}
  .nav-links.open{display:flex;position:absolute;top:44px;left:0;right:0;background:#000;flex-direction:column;align-items:flex-start;padding:20px 28px;gap:18px;z-index:21}
  .hamburger{display:flex}
  .global-nav{display:flex;justify-content:flex-end}
  .nav-left{display:none}
  .sub-links a:not(.pill-small){display:none}
  .grid,.grid.two,.gallery-grid,.footer-grid,.split,.project-split{grid-template-columns:1fr}
  /* alumni follows grid-interns rules — min 2col */
  .tile{padding:56px 20px}
  .content{padding:32px 20px 64px}
  .alumni-section{padding:0 20px 64px}
  .side-panel{position:static}
  .hero{min-height:auto;padding:64px 20px}
  .footer{padding:48px 20px}
  .paper{grid-template-columns:1fr}
  .sub-nav-frosted{padding:0 18px}
  .sub-title{font-size:17px}
  .hero-art{width:100%}
}
@media(max-width:520px){
  .hero h1{font-size:38px}
  .tile h2,.section-header h1,.section-header h2{font-size:34px}
  .detail-hero h1{font-size:38px}
  .detail-hero p{font-size:19px}
  .button-primary,.button-secondary{width:100%}
  .cta-row{width:100%}
  .floating-bar{height:auto;align-items:flex-start;gap:12px;flex-direction:column}
  .global-nav{padding:0 14px;font-size:13px}
  .nav-icon{display:none}
  /* alumni stays 2col at smallest — matches grid-interns */
}