:root{color-scheme:dark;--bg:#07111a;--panel:#0d1c28;--panel2:#102534;--line:#20394c;--text:#f2f7fa;--muted:#98adba;--cyan:#65cdfc;--green:#62dfad}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:radial-gradient(circle at 72% 6%,#12334a 0,transparent 29%),var(--bg);color:var(--text);font:16px/1.6 Inter,system-ui,sans-serif}.shell{width:min(1180px,calc(100% - 48px));margin:auto}a{color:inherit}header{border-bottom:1px solid var(--line)}.nav{height:82px;display:flex;align-items:center;gap:28px}.brand{font-size:1.22rem;font-weight:850;letter-spacing:-.05em;text-decoration:none}.brand span,.eyebrow,small{color:var(--cyan)}nav{display:flex;gap:22px;margin-left:auto}nav a,.back{color:var(--muted);font-size:.84rem;text-decoration:none}nav a:hover,.back:hover{color:var(--text)}.hero{min-height:690px;display:grid;grid-template-columns:1.18fr .82fr;gap:72px;align-items:center}.eyebrow,small{margin:0 0 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50%,transparent 50.2%),linear-gradient(transparent 49.8%,#23465c 50%,transparent 50.2%);overflow:hidden}.radar i{position:absolute;inset:0;border-radius:50%;background:conic-gradient(rgba(101,205,252,.3),transparent 18%);animation:spin 7s linear infinite}.radar b{position:absolute;color:#a8d8ed;font-size:.7rem}.radar b:nth-of-type(1){top:27%;left:65%}.radar b:nth-of-type(2){top:60%;left:27%}.radar b:nth-of-type(3){top:72%;left:68%}.radar>span{position:absolute;z-index:4;left:18%;bottom:10%;padding:10px 14px;border:1px solid #29465a;border-left:2px solid var(--cyan);border-radius:8px;background:rgba(7,17,26,.96);font-size:.72rem;line-height:1.3;letter-spacing:.16em;color:#a8c9d9}@keyframes spin{to{transform:rotate(360deg)}}.metrics{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line)}.metrics>div{min-height:150px;padding:23px;border-right:1px solid var(--line);display:flex;flex-direction:column}.metrics>div:last-child{border:0}.metrics small{margin:0}.metrics strong{margin-top:auto;font-size:2.4rem;line-height:1;letter-spacing:-.05em}.metrics span{color:var(--muted);font-size:.82rem}.platform,.observatories,.engineering,.evolution,.method{padding:112px 0;border-top:1px solid var(--line)}.section-head{display:grid;grid-template-columns:1.08fr .92fr;gap:80px;align-items:end;margin-bottom:48px}.section-head h2{margin:0;font-size:clamp(2.4rem,5vw,4.5rem);line-height:.96;letter-spacing:-.06em}.section-head>p{color:var(--muted);margin:0 0 5px}.architecture{display:grid;grid-template-columns:1fr 40px 1fr 40px 1fr;align-items:stretch}.architecture article{padding:28px;border:1px solid var(--line);border-radius:18px;background:linear-gradient(150deg,var(--panel2),var(--panel));min-height:245px}.architecture small{display:block}.architecture h3{margin:75px 0 8px;font-size:1.35rem}.architecture p{margin:0;color:var(--muted);font-size:.88rem}.flow{display:grid;place-items:center;color:#52778c;font-size:1.5rem}.principles{margin-top:22px;border-top:1px solid var(--line)}.principles p{display:grid;grid-template-columns:65px 1fr;gap:20px;margin:0;padding:22px 0;border-bottom:1px solid var(--line)}.principles b{color:var(--cyan);font:800 .8rem monospace}.principles span{color:var(--muted)}.principles strong{color:var(--text)}.project-tabs{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-bottom:8px}.project-tabs button{padding:18px 22px;border:1px solid var(--line);border-radius:12px;background:#091722;color:var(--muted);font:750 .95rem inherit;text-align:left;cursor:pointer}.project-tabs button span{margin-right:16px;color:#597b8f;font:700 .72rem monospace}.project-tabs button:hover,.project-tabs button.active{border-color:#4b8bab;background:#102a3b;color:var(--text)}.project-tabs button.active span{color:var(--cyan)}.project-panel{display:grid;grid-template-columns:1.35fr .65fr;gap:8px}.project-panel[hidden]{display:none}.panel-copy,.panel-data{padding:42px;border:1px solid var(--line);border-radius:18px;background:linear-gradient(145deg,#112a3b,var(--panel))}.code{color:var(--cyan);font:800 .72rem/1.4 monospace;letter-spacing:.13em}.panel-copy h3{max-width:750px;margin:18px 0;font-size:clamp(2rem,4vw,3.5rem);line-height:1;letter-spacing:-.055em}.panel-copy>p:not(.code){color:#b0c2cc;max-width:780px}.panel-copy ul{list-style:none;padding:18px 0;margin:22px 0 28px;border-top:1px solid var(--line);color:var(--muted)}.panel-copy li{margin:8px 0;padding-left:18px;position:relative}.panel-copy li:before{content:"·";position:absolute;left:0;color:var(--cyan)}.panel-data{display:flex;flex-direction:column}.panel-data>div{padding:20px 0;border-bottom:1px solid var(--line)}.panel-data strong{display:block;font-size:2.4rem;line-height:1;letter-spacing:-.05em}.panel-data span{color:var(--muted);font-size:.82rem}.panel-data>p{margin-top:auto;color:#7894a5;font:700 .71rem/1.7 monospace;text-transform:uppercase}.engineering-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}.engineering-grid article{min-height:285px;padding:30px;border:1px solid var(--line);border-radius:17px;background:var(--panel)}.engineering-grid span{color:var(--cyan);font:800 .7rem monospace;letter-spacing:.15em}.engineering-grid h3{margin:100px 0 8px;font-size:1.5rem}.engineering-grid p{margin:0;color:var(--muted)}.timeline{padding:0;margin:0;list-style:none;border-top:1px solid var(--line)}.timeline li{display:grid;grid-template-columns:70px 1fr;padding:28px 0;border-bottom:1px solid var(--line)}.timeline>li>span{color:var(--cyan);font:800 .78rem monospace}.timeline small{display:block;margin:0}.timeline h3{margin:4px 0;font-size:1.45rem}.timeline p{margin:0;color:var(--muted)}.status{margin-top:48px;padding:32px;border:1px solid #31556b;border-radius:18px;background:linear-gradient(110deg,#102a3b,#0b1924);display:grid;grid-template-columns:1fr 1.25fr auto;gap:32px;align-items:center}.status h3{margin:0;font-size:1.8rem}.status p{margin:0;color:var(--muted)}.status .eyebrow{margin-bottom:6px}.disclaimer{padding:28px;border:1px solid #29485b;border-radius:14px;background:#0a1924;display:grid;grid-template-columns:240px 1fr;gap:32px}.disclaimer strong{color:#d4edf7}.disclaimer p{margin:0;color:var(--muted);font-size:.9rem}footer{border-top:1px solid var(--line)}footer .shell{min-height:110px;display:grid;grid-template-columns:1fr auto auto;gap:30px;align-items:center;color:var(--muted);font-size:.85rem}footer p{margin:0}@media(max-width:900px){.hero{min-height:auto;padding:90px 0;grid-template-columns:1fr}.radar{display:none}.section-head{grid-template-columns:1fr;gap:20px}.architecture{grid-template-columns:1fr}.flow{height:40px;transform:rotate(90deg)}.project-panel{grid-template-columns:1fr}.engineering-grid{grid-template-columns:1fr 1fr}.status{grid-template-columns:1fr}.platform,.observatories,.engineering,.evolution,.method{padding:80px 0}.metrics{grid-template-columns:1fr 1fr}.metrics>div:nth-child(2){border-right:0}.metrics>div{border-bottom:1px solid var(--line)}}@media(max-width:650px){.shell{width:min(100% - 32px,1180px)}h1{font-size:clamp(3.6rem,17vw,5.5rem)}nav{display:none}.back{font-size:.76rem}.metrics{grid-template-columns:1fr}.metrics>div{border-right:0;min-height:125px}.project-tabs{grid-template-columns:1fr}.panel-copy,.panel-data{padding:26px}.engineering-grid{grid-template-columns:1fr}.engineering-grid article{min-height:240px}.engineering-grid h3{margin-top:65px}.principles p{grid-template-columns:42px 1fr}.disclaimer{grid-template-columns:1fr;gap:8px}footer .shell{grid-template-columns:1fr auto}footer p{grid-row:2;grid-column:1/-1}}@media(prefers-reduced-motion:reduce){.radar i{animation:none}.button{transition:none}}
.project-trust{border-block:1px solid var(--line);background:#091721}.project-trust .shell{display:grid;grid-template-columns:repeat(4,1fr)}.project-trust .shell>div{min-height:120px;padding:22px;border-right:1px solid var(--line);display:flex;flex-direction:column;justify-content:center}.project-trust .shell>div:last-child{border:0}.project-trust small{display:block;margin:0 0 7px;color:#718995;font-size:.61rem;letter-spacing:.12em;text-transform:uppercase}.project-trust strong{font-size:.82rem;line-height:1.4}@media(max-width:850px){.project-trust .shell{grid-template-columns:1fr 1fr}.project-trust .shell>div:nth-child(2){border-right:0}.project-trust .shell>div{border-bottom:1px solid var(--line)}}@media(max-width:520px){.project-trust .shell{grid-template-columns:1fr}.project-trust .shell>div{min-height:95px;border-right:0}}

/* Cross-observatory journey */
.connected-journey{padding-top:110px;padding-bottom:110px;border-top:1px solid var(--line)}.journey-grid{display:grid;grid-template-columns:1fr auto 1fr auto 1fr auto 1fr;gap:12px;align-items:center;margin-top:45px}.journey-grid a{min-height:210px;padding:24px;border:1px solid var(--line);border-radius:16px;background:linear-gradient(145deg,#0d2230,#081720);display:flex;flex-direction:column;text-decoration:none;transition:.2s}.journey-grid a:hover{transform:translateY(-4px);border-color:#58bce9}.journey-grid small{color:#68cafa;font:700 .65rem monospace;letter-spacing:.09em}.journey-grid strong{margin-top:auto;font-size:1.7rem}.journey-grid span{margin-top:8px;color:#859ba7;font-size:.78rem;line-height:1.45}.journey-grid>i{color:#4c7388;font-style:normal}.journey-note{margin:20px 0 0;padding:18px 22px;border-left:3px solid #62c9ff;background:#0b1d28;color:#8da2ad}.journey-note b{color:#e7eff2}
@media(max-width:980px){.journey-grid{grid-template-columns:1fr 24px 1fr}.journey-grid>i:nth-of-type(2){display:none}.journey-grid a:nth-of-type(3){grid-column:1}.journey-grid a:nth-of-type(4){grid-column:3}}
@media(max-width:620px){.journey-grid{grid-template-columns:1fr}.journey-grid a,.journey-grid a:nth-of-type(3),.journey-grid a:nth-of-type(4){grid-column:1;min-height:155px}.journey-grid>i{transform:rotate(90deg);text-align:center}.journey-grid>i:nth-of-type(2){display:block}}

.observatory-route{padding:105px 0;background:#07131b;border-top:1px solid var(--line)}.observatory-links{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.observatory-links a{min-height:220px;padding:28px;border:1px solid var(--line);border-radius:16px;background:#0b202c;color:inherit;text-decoration:none;display:flex;flex-direction:column;transition:.2s}.observatory-links a:hover{border-color:#4e8199;transform:translateY(-3px)}.observatory-links span{color:#e6b85c;font:700 .67rem monospace;letter-spacing:.12em}.observatory-links strong{margin-top:auto;font-size:1.4rem}.observatory-links small{margin-top:9px;color:#8196a0}.aviation-evidence{padding:95px 0;background:#e9eef0;color:#0a1820}.aviation-evidence .shell{display:grid;grid-template-columns:.85fr 1.15fr;gap:90px}.aviation-evidence h2{font-size:clamp(2.5rem,5vw,4.7rem);line-height:.96;margin:12px 0 25px}.aviation-evidence p{color:#57666e}.aviation-evidence dl{margin:0;border-top:1px solid #aab8bf}.aviation-evidence dl div{display:grid;grid-template-columns:120px 1fr;gap:25px;padding:20px 0;border-bottom:1px solid #aab8bf}.aviation-evidence dt{font:800 .72rem monospace;color:#a66e05;text-transform:uppercase}.aviation-evidence dd{margin:0;color:#44545d;line-height:1.55}@media(max-width:800px){.observatory-links{grid-template-columns:1fr}.observatory-links a{min-height:170px}.aviation-evidence .shell{grid-template-columns:1fr;gap:35px}}@media(max-width:520px){.aviation-evidence dl div{grid-template-columns:1fr;gap:7px}}
.skip-link{position:fixed;z-index:100;top:10px;left:10px;padding:10px 14px;background:#fff;color:#071722;transform:translateY(-150%)}.skip-link:focus{transform:none}:focus-visible{outline:3px solid #e6b85c;outline-offset:4px}

.observatory-gallery{padding:110px 0;background:#06121a;border-top:1px solid var(--line)}.aviation-shots{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.aviation-shots>a{color:inherit;text-decoration:none;min-width:0}.aviation-shots figure{margin:0;border:1px solid var(--line);border-radius:16px;overflow:hidden;background:#0b202c;transition:.22s}.aviation-shots a:hover figure{border-color:#5d8fa5;transform:translateY(-4px)}.aviation-shots img{display:block;width:100%;aspect-ratio:16/10;object-fit:cover;border-bottom:1px solid var(--line)}.aviation-shots figcaption{padding:22px;display:flex;flex-direction:column}.aviation-shots span{color:#e6b85c;font:700 .64rem monospace;letter-spacing:.12em}.aviation-shots strong{margin:8px 0 5px;font-size:1.25rem}.aviation-shots small{color:#7f949e}.capture-note{margin:28px 0 0;color:#70858f;font-size:.75rem}.observatory-gallery .section-head{margin-bottom:42px}@media(max-width:850px){.aviation-shots{grid-template-columns:1fr}.aviation-shots figure{display:grid;grid-template-columns:1.2fr .8fr}.aviation-shots img{height:100%;aspect-ratio:16/9;border-bottom:0;border-right:1px solid var(--line)}}@media(max-width:560px){.observatory-gallery{padding:80px 0}.aviation-shots figure{display:block}.aviation-shots img{height:auto;border-right:0;border-bottom:1px solid var(--line)}}@media(prefers-reduced-motion:reduce){.aviation-shots figure{transition:none}.aviation-shots a:hover figure{transform:none}}