/* 3Sonic: white + brand navy rgb(0,0,100), serif-led, minimal. Navy duotone only on the home hero photo. */
:root{
  --navy:#000064;
  --ink:#fff;
  --ink-2:#eef0f6;
  --line:rgba(0,0,100,.12);
  --line-strong:rgba(0,0,100,.32);
  --text:#000064;
  --soft:#2c2f5e;
  --mute:#62657f;
  --serif:'Instrument Serif',Georgia,'Times New Roman',serif;
  --sans:Inter,system-ui,-apple-system,'Segoe UI',sans-serif;
  --mono:'JetBrains Mono',ui-monospace,Menlo,monospace;
  --gutter:clamp(20px,5vw,64px);
  --max:1240px;
  --accent:#4a52a8;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--ink);color:var(--text);font:400 16px/1.6 var(--sans);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4,p,ul,ol,dl,figure{margin:0;padding:0}
ul,ol{list-style:none}
:focus-visible{outline:2px solid var(--navy);outline-offset:3px;border-radius:2px}
.skip{position:absolute;left:-999px;top:8px;background:var(--navy);color:#fff;padding:10px 14px;z-index:100;border-radius:4px}
.skip:focus{left:8px}
.wrap{width:100%;max-width:calc(var(--max) + 2*var(--gutter));margin:0 auto;padding:0 var(--gutter)}

/* ---------- type ---------- */
.eyebrow{font:500 11px/1.4 var(--mono);letter-spacing:.22em;text-transform:uppercase;color:var(--mute)}
.display{font:400 clamp(40px,6.4vw,92px)/.98 var(--serif);letter-spacing:-.02em}
.h2{font:400 clamp(30px,3.8vw,52px)/1.05 var(--serif);letter-spacing:-.015em}
.lead{font:400 clamp(19px,1.7vw,23px)/1.5 var(--sans);color:var(--soft);font-weight:300;max-width:60ch}
.prose p{color:#3d4064;max-width:62ch}
.prose p+p{margin-top:1.1em}

/* ---------- buttons / links ---------- */
.btn{display:inline-block;font:500 14px/1 var(--sans);background:var(--navy);color:#fff;padding:15px 26px;border-radius:99px;transition:background .2s}
.btn:hover{background:#1c1c8a}
.more{display:inline-block;font:500 14px/1 var(--sans);color:var(--navy);border-bottom:1px solid var(--line-strong);padding-bottom:5px;transition:border-color .2s}
.more:hover{border-color:var(--navy)}
.more span{display:inline-block;margin-left:6px;transition:transform .2s}
.more:hover span{transform:translateX(4px)}

/* ---------- header ---------- */
.site-header{position:relative;z-index:20;border-bottom:1px solid var(--line)}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;height:76px}
.brand{display:block;color:var(--navy)}
.brand .logo{display:block;height:28px;width:auto}
.brand{margin-right:auto}
.site-header .wrap{gap:clamp(16px,2.4vw,30px)}
.theme-btn{display:flex;align-items:center;justify-content:center;width:36px;height:36px;padding:0;margin:0;background:transparent;border:1px solid var(--line-strong);border-radius:99px;color:var(--navy);cursor:pointer;-webkit-appearance:none;appearance:none;transition:border-color .2s}
.theme-btn:hover{border-color:var(--navy)}
.theme-btn svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.theme-btn .sun,[data-theme="dark"] .theme-btn .moon{display:none}
[data-theme="dark"] .theme-btn .sun{display:block}
.nav{display:flex;gap:30px;font-size:14px}
.nav a{color:rgba(0,0,100,.6);transition:color .2s;padding:6px 0}
.nav a:hover,.nav a[aria-current="page"]{color:var(--navy)}
.nav a[aria-current="page"]{border-bottom:1px solid var(--navy)}
.menu-btn{display:none;flex-direction:column;justify-content:center;align-items:center;gap:6px;background:transparent;border:0;padding:0;margin:0;width:44px;height:44px;cursor:pointer;-webkit-appearance:none;appearance:none}
.menu-btn span{display:block;width:22px;height:2px;background:var(--navy);border-radius:1px;transition:transform .25s,opacity .2s}
.menu-btn[aria-expanded="true"] span:nth-child(1){transform:translateY(8px) rotate(45deg)}
.menu-btn[aria-expanded="true"] span:nth-child(2){opacity:0}
.menu-btn[aria-expanded="true"] span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}
@media(max-width:860px){
  .menu-btn{display:flex;order:3}
  .nav{position:absolute;left:0;right:0;top:76px;flex-direction:column;gap:0;background:rgba(255,255,255,.98);border-bottom:1px solid var(--line);padding:6px var(--gutter) 18px;display:none}
  .nav.open{display:flex}
  .nav a{padding:14px 0;border-bottom:1px solid var(--line);font-size:17px}
  .nav a[aria-current="page"]{border-bottom:1px solid var(--line)}
}

/* ---------- hero (home only: split, photo in navy duotone) ---------- */
.hero .wrap{display:grid;grid-template-columns:1fr 1.1fr;gap:clamp(28px,5vw,72px);align-items:center;padding-top:clamp(40px,6vw,80px)}
.hero h1{font:400 clamp(40px,5.4vw,80px)/1 var(--serif);letter-spacing:-.025em;margin-top:20px}
.hero h1 em{color:var(--accent)}
.hero p{margin:22px 0 30px;max-width:40ch;color:var(--soft);font-weight:300;font-size:clamp(16px,1.3vw,19px)}
.hero .pic{position:relative;aspect-ratio:4/5;isolation:isolate}
.hero .pic::before{content:"";position:absolute;inset:0;background:url(../assets/img/photo/hero.jpg) 50% 40%/cover;filter:grayscale(1) contrast(1.15) brightness(1.1)}
.hero .pic::after{content:"";position:absolute;inset:0;background:var(--navy);mix-blend-mode:lighten}
@media(max-width:860px){.hero .wrap{grid-template-columns:1fr}.hero .pic{aspect-ratio:4/3;order:-1}}

/* ---------- sections ---------- */
.section{padding:clamp(64px,10vw,130px) 0 0}
.open{display:grid;grid-template-columns:minmax(120px,1fr) 3fr;gap:clamp(16px,3vw,40px);border-top:1px solid var(--line-strong);padding-top:18px}
.open .body{display:grid;gap:26px;justify-items:start}
.page-head{padding:clamp(52px,8vw,100px) 0 0}
.page-head .display{margin-top:22px;max-width:16ch}
.page-head .lead{margin-top:30px}
@media(max-width:760px){.open{grid-template-columns:1fr;gap:14px}}

/* value index */
.index{margin-top:clamp(28px,4vw,52px);border-top:1px solid var(--line)}
.index li{display:grid;grid-template-columns:64px minmax(0,1.1fr) minmax(0,1.3fr);gap:20px;align-items:baseline;padding:22px 0;border-bottom:1px solid var(--line)}
.index .n{font:500 11px var(--mono);color:var(--mute);letter-spacing:.14em}
.index h3{font:400 clamp(24px,2.4vw,32px)/1.1 var(--serif)}
.index p{color:var(--mute);font-size:15px}
@media(max-width:760px){.index li{grid-template-columns:40px 1fr;gap:6px 14px}.index p{grid-column:2}}

/* cards (news) */
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,320px),1fr));gap:clamp(28px,3vw,44px) clamp(20px,2.4vw,36px);margin-top:clamp(28px,4vw,52px)}
.card{display:flex;flex-direction:column}
.card .im{aspect-ratio:16/10;overflow:hidden;background:var(--ink-2)}
.card .im img{width:100%;height:100%;object-fit:cover;transition:transform .5s,filter .5s}
.card:hover .im img{transform:scale(1.03)}
.card .src{margin-top:18px}
.card h3{font:400 clamp(24px,2.2vw,30px)/1.12 var(--serif);margin:10px 0 10px}
.card p{color:var(--mute);font-size:15px;margin-bottom:18px}
.card .more{align-self:flex-start;margin-top:auto}

/* landing page: news photos grey until hover (touch devices keep colour) */
@media(hover:hover){.cards.bw .im img{filter:grayscale(1)}.cards.bw .card:hover .im img,.cards.bw .card:focus-within .im img{filter:none}}

/* press clipping */
.press{margin-top:clamp(28px,4vw,52px);display:grid;grid-template-columns:minmax(0,420px) 1fr;gap:clamp(24px,4vw,56px);align-items:center}
.press img{width:100%}
.press p{color:var(--mute);margin-top:12px;max-width:44ch}

/* publications */
.pubs{margin-top:clamp(28px,4vw,52px);border-top:1px solid var(--line)}
.pub{display:grid;grid-template-columns:90px minmax(0,1fr) 28px;gap:22px;padding:30px 0;border-bottom:1px solid var(--line);align-items:start;transition:background .2s}
.pub:hover{background:rgba(0,0,100,.035)}
.pub .y{font:500 12px var(--mono);letter-spacing:.14em;color:var(--mute);padding-top:8px}
.pub h3{font:400 clamp(24px,2.7vw,36px)/1.14 var(--serif);letter-spacing:-.01em}
.pub .m{margin-top:12px;font:400 12px/1.6 var(--mono);color:var(--mute);letter-spacing:.03em}
.pub .ar{font-size:20px;color:var(--mute);padding-top:6px;transition:transform .2s,color .2s}
.pub:hover .ar{transform:translate(3px,-3px);color:var(--navy)}
.pub details{margin-top:8px;font-size:13px;color:var(--mute)}
.pub summary{cursor:pointer;display:inline;font:500 11px var(--mono);letter-spacing:.14em;text-transform:uppercase}
@media(max-width:700px){.pub{grid-template-columns:1fr 24px;gap:8px 12px;padding:24px 0}.pub .y{grid-column:1/-1;padding-top:0}}

/* team: mosaic + list */
.team{display:grid;grid-template-columns:minmax(260px,460px) 1fr;gap:clamp(28px,5vw,64px);align-items:stretch;margin-top:clamp(32px,4vw,56px)}
.mosaic{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));grid-template-rows:repeat(4,minmax(0,1fr));gap:2px;height:100%;min-height:420px}
.tile{position:relative;overflow:hidden;min-height:0;background:var(--ink-2);transition:opacity .2s}
.tile img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:50% 20%;filter:grayscale(1) contrast(1.08)}
.tile::after{content:"";position:absolute;inset:0;border:2px solid transparent;transition:border-color .2s;pointer-events:none}
.mosaic.hov .tile{opacity:.3}
.mosaic.hov .tile.on{opacity:1}
.mosaic.hov .tile.on::after{border-color:var(--navy)}
.roster h3{font:500 10px var(--mono);letter-spacing:.22em;color:var(--mute);padding:20px 0 10px;border-bottom:1px solid var(--line-strong);text-transform:uppercase}
.roster h3:first-child{padding-top:0}
.roster li{display:flex;justify-content:space-between;gap:20px;align-items:baseline;padding:13px 0;border-bottom:1px solid var(--line);transition:background .2s,padding .2s}
.roster li.on{background:rgba(0,0,100,.05);padding-left:10px;padding-right:10px}
.roster.hov li:not(.on) .nm,.roster.hov li:not(.on) .rl{opacity:.45}
.roster .nm{font:400 clamp(20px,1.9vw,24px)/1.1 var(--serif)}
.roster li.on .nm{text-decoration:underline;text-underline-offset:4px}
.roster .rl{font:400 11px/1.4 var(--mono);color:var(--mute);text-align:right}
@media(max-width:860px){.team{grid-template-columns:1fr}.mosaic{height:auto;min-height:0;grid-template-rows:none;max-width:520px}.tile{aspect-ratio:4/5}.roster li{flex-direction:column;gap:3px}.roster .rl{text-align:left}}

/* partner logos: equal cells, aspect ratio preserved, name underneath */
.logos{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(36px,5vw,64px) clamp(28px,4vw,56px);margin-top:clamp(28px,4vw,52px)}
.logos a,.logos .lg{display:block}
.logos .lbox{display:flex;align-items:center;justify-content:flex-start;height:64px;opacity:.62;transition:opacity .2s}
.logos a:hover .lbox{opacity:1}
.logos img{max-width:min(100%,300px);max-height:100%;width:auto;height:auto;object-fit:contain;filter:brightness(0)}
.logos .lname{display:block;margin-top:14px;font:400 11px/1.4 var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--mute)}
@media(max-width:700px){.logos{grid-template-columns:repeat(2,minmax(0,1fr))}}

.status{font:400 11px/1.55 var(--mono);letter-spacing:.05em;color:var(--mute);max-width:62ch}
.hero p.status{margin:26px 0 0;max-width:46ch;color:var(--mute);font-weight:400;font-size:11px}

/* about */
.fullbleed{margin-top:clamp(36px,5vw,64px)}
.fullbleed img{width:100%;aspect-ratio:16/8;object-fit:cover;object-position:50% 30%}
.cta{padding:clamp(80px,12vw,160px) 0 clamp(20px,4vw,50px);text-align:center}
.cta::before{content:"";display:block;width:1px;height:70px;margin:0 auto 28px;background:linear-gradient(transparent,rgba(0,0,100,.6))}
.cta h2{max-width:16ch;margin:0 auto 30px}

/* footer */
.site-footer{margin-top:clamp(80px,12vw,160px);background:#f4f5f9;padding:56px 0 32px}
.cols{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr 1fr;gap:32px;font-size:14px;color:var(--mute);line-height:1.8}
.cols .brand{margin-bottom:16px;width:max-content}
.cols .tag{font:400 17px/1.3 var(--serif);color:var(--soft);max-width:24ch}
.cols h2{font:500 10px var(--mono);letter-spacing:.22em;text-transform:uppercase;color:var(--navy);margin-bottom:10px}
.cols a{color:var(--navy);display:block;width:max-content;max-width:100%}
.cols a:hover{text-decoration:underline;text-underline-offset:3px}
.fine{margin-top:54px;padding-top:18px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap;font:400 11px var(--mono);color:var(--mute)}
.fine .ce{flex-basis:100%}
@media(max-width:900px){.cols{grid-template-columns:1fr 1fr}.cols>div:first-child{grid-column:1/-1}}

/* ---------- optional dark mode (toggle in the header, stored in localStorage) ---------- */
[data-theme="dark"]{--navy:#fff;--ink:#050505;--ink-2:#0d0d0e;--line:rgba(255,255,255,.12);--line-strong:rgba(255,255,255,.4);--text:#fff;--soft:#cfcfd2;--mute:#8d8d92;--accent:#9fc4ee;color-scheme:dark}
[data-theme="dark"] .skip,[data-theme="dark"] .btn{color:#050505}
[data-theme="dark"] .btn:hover{background:#d9d9dc}
[data-theme="dark"] .nav a{color:rgba(255,255,255,.62)}
[data-theme="dark"] .nav a:hover,[data-theme="dark"] .nav a[aria-current="page"]{color:#fff}
@media(max-width:860px){[data-theme="dark"] .nav{background:rgba(5,5,5,.97)}}
[data-theme="dark"] .hero .pic::after{background:#2a72c8;mix-blend-mode:multiply}
[data-theme="dark"] .prose p{color:#b9b9bd}
[data-theme="dark"] .pub:hover{background:rgba(255,255,255,.04)}
[data-theme="dark"] .roster li.on{background:rgba(255,255,255,.07)}
[data-theme="dark"] .logos img{filter:brightness(0) invert(1)}
[data-theme="dark"] .cta::before{background:linear-gradient(transparent,rgba(255,255,255,.7))}
[data-theme="dark"] .site-footer{background:transparent;border-top:1px solid var(--line)}

@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}