:root{
  color-scheme:dark;
  --bg:#0b1020;--surface:#141b2e;--surface-2:#1b2340;
  --ink:#eef0f6;--muted:#a9b3c7;--faint:#7d87a0;
  --line:#ffffff1a;--line-strong:#ffffff33;
  --accent:#c6c0ff;--accent-ink:#1d1838;--accent-soft:#c6c0ff1f;
  --serif:Georgia,'Times New Roman',serif;
  --sans:system-ui,-apple-system,BlinkMacSystemFont,'Segoe UI','PingFang SC',sans-serif;
  --radius:14px;--header:68px;
  --ease:cubic-bezier(.2,.65,.3,1);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--header) + 64px)}
body{margin:0;min-height:100vh;display:flex;flex-direction:column;background:radial-gradient(ellipse 60% 40% at 85% 0%,#2b2552 0%,transparent 70%),radial-gradient(ellipse 50% 40% at 0% 60%,#16244a66 0%,transparent 70%),var(--bg);background-attachment:fixed;color:var(--ink);font:16.5px/1.7 var(--sans);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
main{flex:1}
img,svg{display:block;max-width:100%}
a{color:inherit;text-underline-offset:4px;text-decoration-thickness:1px}
a:hover{color:var(--accent)}
:focus-visible{outline:2px solid var(--accent);outline-offset:4px;border-radius:4px}
::selection{background:#c6c0ff55}
.wrap{width:min(1120px,calc(100% - 48px));margin-inline:auto}
.skip{position:absolute;left:12px;top:-100px;z-index:50;background:var(--accent);color:var(--accent-ink);padding:8px 14px;border-radius:8px}
.skip:focus{top:12px}

/* Header */
.site-header{position:sticky;top:0;z-index:20;background:#0b1020b8;backdrop-filter:saturate(160%) blur(14px);-webkit-backdrop-filter:saturate(160%) blur(14px);border-bottom:1px solid transparent;transition:border-color .3s,background .3s}
.site-header.scrolled{border-color:var(--line);background:#0b1020e0}
.site-header nav{height:var(--header);display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{font:600 22px/1 var(--serif);text-decoration:none;letter-spacing:-.01em;white-space:nowrap}
.brand span{color:var(--accent)}
.links{display:flex;gap:4px;font-size:14px}
.links a{text-decoration:none;color:var(--muted);padding:7px 14px;border-radius:999px;transition:color .2s,background .2s}
.links a:hover{color:var(--ink);background:#ffffff0d}
.links a[aria-current=page]{color:var(--ink);background:var(--accent-soft);box-shadow:inset 0 0 0 1px #c6c0ff33}

/* Type */
h1,h2,h3{font-family:var(--serif);font-weight:400;line-height:1.12;letter-spacing:-.015em;margin:0}
h1{font-size:clamp(46px,7vw,84px);letter-spacing:-.035em}
h2{font-size:clamp(30px,3.6vw,42px)}
h3{font-size:22px}
p{margin:0 0 1em}
.eyebrow{display:inline-flex;align-items:center;gap:10px;color:var(--accent);font-size:12px;font-weight:500;letter-spacing:.18em;text-transform:uppercase}
.eyebrow:before{content:'';width:22px;height:1px;background:currentColor;opacity:.7}
.lead{font-size:clamp(19px,2.3vw,25px);line-height:1.5;color:#dfe1f0;max-width:640px;margin:0}
.muted{color:var(--muted)}

/* Buttons */
.actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:36px}
.button{display:inline-flex;align-items:center;gap:8px;padding:11px 20px;border-radius:999px;font-size:14.5px;font-weight:500;text-decoration:none;border:1px solid var(--line-strong);background:#ffffff0a;color:var(--ink);backdrop-filter:blur(6px);transition:transform .25s var(--ease),box-shadow .25s,background .25s,border-color .25s}
.button:hover{color:var(--ink);background:#ffffff16;border-color:#ffffff55;transform:translateY(-2px)}
.button.primary{background:#e4dfff;border-color:#e4dfff;color:var(--accent-ink);box-shadow:0 8px 28px #0004}
.button.primary:hover{color:var(--accent-ink);background:#fff;box-shadow:0 12px 36px #bbaaff40}
.arrow{transition:transform .25s var(--ease)}
a:hover .arrow{transform:translate(2px,-2px)}

/* Hero & page heads */
.hero,.pagehead{position:relative;isolation:isolate;overflow:hidden;border-radius:var(--radius);border:1px solid var(--line);background:#171d34;box-shadow:0 30px 80px #0006}
.hero:before,.pagehead:before{content:'';position:absolute;inset:0;z-index:-2;background:linear-gradient(90deg,#070c1dd9 0%,#0a0f2499 45%,#11142700 80%),url('/galaxy-mountains.jpg') center/cover}
.hero:after,.pagehead:after{content:'';position:absolute;inset:0;z-index:-1;background:linear-gradient(180deg,transparent 55%,#0b1020aa);pointer-events:none}
.hero{margin:24px 0 0;padding:clamp(56px,9vw,104px) clamp(28px,6vw,64px) clamp(64px,9vw,96px);min-height:min(620px,78vh);display:flex;flex-direction:column;justify-content:center}
.hero h1{color:#fff;margin:22px 0 22px;text-shadow:0 2px 28px #0007}
.hero .eyebrow{color:#e2ddff}
.pagehead{margin:24px 0 8px;padding:clamp(40px,6vw,64px) clamp(24px,5vw,52px)}
.pagehead:before{background-image:linear-gradient(90deg,#0b1020f0 0%,#0d1228c0 50%,#15142c66),url('/galaxy-mountains.jpg');background-position:center 30%}
.pagehead h1{font-size:clamp(42px,6vw,66px);margin:18px 0 14px}
.stars{position:absolute;inset:0;z-index:-1;pointer-events:none;background-image:radial-gradient(1.5px 1.5px at 72% 18%,#fff,transparent),radial-gradient(2px 2px at 87% 40%,#fff,transparent),radial-gradient(1.5px 1.5px at 47% 12%,#fff,transparent),radial-gradient(2px 2px at 62% 33%,#c7b6ff,transparent),radial-gradient(1px 1px at 93% 12%,#fff,transparent),radial-gradient(1.5px 1.5px at 38% 26%,#dcd4ff,transparent)}
.spacetime-grid{position:absolute;inset:0;width:100%;height:100%;pointer-events:none;z-index:-1;opacity:.6}
.hero-links{display:flex;flex-wrap:wrap;gap:6px 22px;margin-top:28px;font-size:14px;color:#d6d8e8}
.hero-links a{text-decoration:none;opacity:.85}
.hero-links a:hover{opacity:1}

/* Stats strip */
.stats{display:grid;grid-template-columns:repeat(4,1fr);margin:28px 0 0;border:1px solid var(--line);border-radius:var(--radius);background:#ffffff05;overflow:hidden}
.stat{padding:22px 26px;border-left:1px solid var(--line)}
.stat:first-child{border-left:0}
.stat strong{display:block;font:400 34px/1.1 var(--serif);color:#fff;letter-spacing:-.02em}
.stat span{display:block;margin-top:6px;font-size:13.5px;color:var(--muted);line-height:1.45}

/* Sections */
.section{padding:88px 0 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:34px}
.section-head h2{margin-top:14px}
.section-head .more{font-size:14px;color:var(--muted);text-decoration:none;white-space:nowrap}
.section-head .more:hover{color:var(--accent)}
.intro{font-size:17.5px;color:var(--muted)}
.intro strong{color:var(--ink);font-weight:500}
.intro em{color:var(--ink)}

/* Cards */
.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.card{position:relative;display:flex;flex-direction:column;overflow:hidden;border:1px solid #c6c0ff22;border-radius:var(--radius);background:linear-gradient(160deg,var(--surface-2),var(--surface));text-decoration:none;transition:transform .35s var(--ease),box-shadow .35s,border-color .35s}
.card:hover{color:inherit;transform:translateY(-6px);border-color:#b8acf0aa;box-shadow:0 22px 50px #0006,0 0 0 1px #b8acf033}
.card-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:radial-gradient(ellipse at center,#6554a644,#101727 72%);border-bottom:1px solid var(--line)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease)}
.card:hover .card-media img{transform:scale(1.045)}
.card-body{display:flex;flex-direction:column;flex:1;padding:22px 24px 24px}
.card-body .eyebrow{font-size:11px;margin-bottom:12px}
.card-body .eyebrow:before{display:none}
.card h3{display:flex;align-items:baseline;justify-content:space-between;gap:12px}
.card h3 .arrow{font-family:var(--sans);font-size:16px;color:var(--faint)}
.card:hover h3 .arrow{color:var(--accent)}
.card p{font-size:15px;color:var(--muted);margin:10px 0 0}
.card .source{margin-top:auto;padding-top:18px;font-size:12.5px;color:var(--faint);letter-spacing:.02em}

/* Publications */
.pub-list{list-style:none;margin:0;padding:0;border-top:1px solid var(--line)}
.pub{border-bottom:1px solid var(--line)}
.pub a{display:grid;grid-template-columns:1fr auto;gap:6px 24px;align-items:baseline;padding:18px 4px;text-decoration:none;transition:background .2s,padding .25s var(--ease)}
.pub a:hover{color:inherit;background:#ffffff06;padding-left:12px}
.pub .title{font-size:17px;line-height:1.45}
.pub a:hover .title{color:var(--accent)}
.pub .meta{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--muted);grid-column:1}
.pub .year{grid-column:2;grid-row:1;font:400 15px var(--serif);color:var(--faint)}
.badge{display:inline-block;padding:2px 9px;border-radius:999px;font-size:11.5px;font-weight:500;letter-spacing:.03em;background:#ffffff0d;color:#cfd3e4;border:1px solid var(--line)}
.badge.prl{background:var(--accent-soft);color:var(--accent);border-color:#c6c0ff44}

/* Research page */
.topic-nav{position:sticky;top:var(--header);z-index:10;margin:0 -8px;padding:12px 8px;background:linear-gradient(180deg,#0b1020f2 70%,#0b102000)}
.topic-nav ul{display:flex;gap:8px;list-style:none;margin:0;padding:0;overflow-x:auto;scrollbar-width:none}
.topic-nav ul::-webkit-scrollbar{display:none}
.topic-nav a{display:inline-flex;align-items:center;gap:8px;white-space:nowrap;padding:7px 14px;border:1px solid var(--line);border-radius:999px;font-size:13.5px;color:var(--muted);text-decoration:none;background:#ffffff06;transition:all .2s}
.topic-nav a:hover{color:var(--ink);border-color:var(--line-strong)}
.topic-nav a.active{color:var(--accent-ink);background:#e4dfff;border-color:#e4dfff}
.topic-nav a span{font-size:11.5px;opacity:.7}
.category{display:grid;grid-template-columns:300px minmax(0,1fr);gap:56px;padding:56px 0;border-bottom:1px solid var(--line)}
.category:last-of-type{border-bottom:0}
.category-media{position:sticky;top:calc(var(--header) + 80px);align-self:start}
.category-media h2{font-size:32px;color:#e4dfff}
.category-media .count{margin-top:6px;font-size:13.5px;color:var(--faint)}
.category-media img{width:100%;height:auto;aspect-ratio:16/10;object-fit:cover;margin-top:20px;border:1px solid var(--line);border-radius:12px;background:var(--surface)}
.category .pub-list{border-top:0}
.category .pub:first-child a{padding-top:4px}

/* News page */
.card-media.shot img{object-position:center top}
.card-media.video{display:grid;place-items:center;background:radial-gradient(ellipse at 50% 40%,#3a2f6e,#121a2e 75%)}
.play{width:62px;height:62px;border-radius:50%;display:grid;place-items:center;background:#ffffff1a;border:1px solid #ffffff40;backdrop-filter:blur(4px);transition:transform .35s var(--ease),background .35s}
.play svg{width:20px;height:20px;margin-left:3px;fill:#fff}
.card:hover .play{transform:scale(1.1);background:#ff3b3bcc}
.card-media.link-only{display:grid;place-items:center;background:radial-gradient(ellipse at 50% 40%,#2a3a6e,#121a2e 75%);color:#cfc8ff;font:400 44px var(--serif)}

/* Footer */
footer{margin-top:110px;border-top:1px solid var(--line);background:#080c19aa}
footer .wrap{display:flex;justify-content:space-between;align-items:center;gap:20px 32px;flex-wrap:wrap;padding:34px 0;font-size:13.5px;color:var(--muted)}
footer .brand{font-size:18px;color:var(--ink)}
footer nav{display:flex;gap:22px;flex-wrap:wrap}
footer a{text-decoration:none}

/* Reveal */
.js .reveal{opacity:0;transform:translateY(18px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.js .reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:no-preference){
  .stars{animation:starlight 5s ease-in-out infinite alternate}
  .hero:before{animation:sky-drift 30s ease-in-out infinite alternate}
  @keyframes starlight{from{opacity:.25}to{opacity:1}}
  @keyframes sky-drift{from{transform:scale(1)}to{transform:scale(1.05)}}
}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*:before,*:after{animation:none!important;transition:none!important}
  .js .reveal{opacity:1;transform:none}
}

/* Responsive */
@media(max-width:960px){
  .grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .stats{grid-template-columns:repeat(2,1fr)}
  .stat:nth-child(3){border-left:0}
  .stat:nth-child(n+3){border-top:1px solid var(--line)}
  .category{grid-template-columns:240px minmax(0,1fr);gap:36px}
}
@media(max-width:720px){
  :root{--header:60px}
  body{font-size:16px}
  .wrap{width:calc(100% - 32px)}
  .brand{font-size:19px}
  .links{font-size:13px;gap:0}
  .links a{padding:6px 10px}
  .hero{min-height:0;margin-top:16px}
  .actions .button{flex:1 1 auto;justify-content:center}
  .hero:before{background-position:62% center}
  .hero .eyebrow{font-size:10.5px;letter-spacing:.14em}
  .actions{margin-top:28px}
  .stat{padding:18px 18px}
  .stat strong{font-size:28px}
  .section{padding-top:64px}
  .section-head{flex-direction:column;align-items:flex-start;gap:8px;margin-bottom:24px}
  .grid{grid-template-columns:1fr;gap:16px}
  .category{grid-template-columns:1fr;gap:20px;padding:40px 0}
  .category-media{position:static}
  .category-media img{aspect-ratio:16/8}
  .pub a{grid-template-columns:1fr;padding:16px 0}
  .pub a:hover{padding-left:0}
  .pub .year{display:none}
  footer{margin-top:80px}
  footer .wrap{flex-direction:column;align-items:flex-start}
}
@media(max-width:380px){.links a{padding:6px 7px}.brand{font-size:17px}}