*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:2rem}
body{margin:0;background:var(--marble);color:var(--navy);font:16px/1.65 var(--sans)}
a{color:var(--cobalt);text-underline-offset:.3em}
button,input,select{font:inherit;color:inherit}
button,a,input,select,summary{-webkit-tap-highlight-color:transparent;touch-action:manipulation}
button,summary{cursor:pointer}
button,select,input{border:1px solid var(--brass);background:var(--marble);border-radius:4px;padding:.6rem .9rem}
button:hover{background:var(--ivory)}
button[aria-pressed=true]{background:var(--cobalt);color:white;border-color:var(--cobalt)}
:focus-visible{outline:3px solid var(--cobalt);outline-offset:5px}
[hidden]{display:none!important}
h1,h2,h3,p{margin:0}
h1,h2,h3{font-family:var(--serif);font-weight:500;line-height:1.15;text-wrap:balance}
h2{font-size:clamp(2rem,4vw,3.4rem)}
h3{font-size:1.6rem}
p+p{margin-top:1rem}
main>section:not(.dome-intro),.connection-bar,footer,.observatory-topbar{width:min(1280px,calc(100% - 64px));margin-inline:auto}
.observatory-topbar{min-height:90px;display:flex;align-items:center;justify-content:space-between;gap:2rem;border-bottom:1px solid var(--line)}
.brand{font-size:1.6rem;font-weight:700;text-decoration:none;letter-spacing:-.065em;color:var(--navy)}
.brand span{color:var(--brass)}
nav{display:flex;gap:1.7rem;flex-wrap:wrap}
nav a{font-size:.9rem;text-decoration:none}
nav a[aria-current]{text-decoration:underline}
.eyebrow{text-transform:uppercase;letter-spacing:.15em;font-size:.68rem;font-weight:700;color:var(--brass);margin-bottom:1rem}
.dome-intro{min-height:620px;position:relative;isolation:isolate;display:flex;align-items:center;overflow:hidden;background:linear-gradient(90deg,rgba(247,244,237,.98),rgba(247,244,237,.94) 34%,rgba(247,244,237,.10) 78%),image-set(url('../img/optimized/sanctuary-dome-768.webp') type("image/webp") 1x, url('../img/sanctuary-dome.jpg') type("image/jpeg") 1x) 75% 45%/cover no-repeat;border-bottom:1px solid var(--gold)}
.dome-copy{width:min(1280px,calc(100% - 64px));margin:4rem auto;z-index:1}
.dome-copy h1{font-size:clamp(3.4rem,6.5vw,6.1rem);max-width:720px;letter-spacing:-.045em}
.dome-copy h1 em{color:var(--cobalt)}
.dome-copy>p:not(.eyebrow){max-width:440px;margin:1.6rem 0 2rem}
.dome-copy>a{display:inline-block;border-bottom:1px solid var(--gold);padding-bottom:.4rem;text-decoration:none}
.dome-ornament{position:absolute;right:6%;top:12%;width:360px;height:360px;border:1px solid rgba(179,138,71,.7);border-radius:50%;outline:1px solid rgba(179,138,71,.35);outline-offset:18px;display:grid;place-items:center;z-index:-1;color:var(--gold)}
.dome-ornament span{font-size:5rem}
.connection-bar{display:flex;align-items:center;gap:1.5rem;padding:1.5rem 0;border-bottom:1px solid var(--line)}
.connection-bar strong{font-size:.72rem;letter-spacing:.08em;white-space:nowrap}
.connection-bar p{font-size:.82rem;flex:1;color:var(--muted)}
.connection-bar button{font-size:.8rem}
.connection-bar [data-state=LIVE]{color:#236349}
.connection-bar [data-state='CONNECTION LOST'],.connection-bar [data-state=UNAVAILABLE]{color:#884427}
.notice{padding:1rem 2rem}
.overview{padding-block:4.5rem}
.section-heading{display:flex;align-items:end;justify-content:space-between;gap:2rem;margin-bottom:2.4rem}
.scope-controls{display:flex;gap:.3rem;flex-wrap:wrap}
.scope-controls button{font-size:.78rem}
.metrics{display:grid;grid-template-columns:repeat(3,1fr);margin:2.5rem 0 1rem}
.metrics>div{padding:0 2rem;border-left:1px solid var(--gold)}
.metrics>div:first-child{padding-left:0;border-left:0}
.metrics dt{text-transform:uppercase;font-size:.7rem;letter-spacing:.13em;color:var(--muted)}
.metrics dd{font:clamp(3.2rem,6vw,5.5rem)/1.2 var(--serif);margin:.5rem 0;font-variant-numeric:tabular-nums}
.data-caption{color:var(--muted);font-size:.82rem;max-width:90ch}
.constellation-section{border-top:1px solid var(--gold);padding-block:4rem}
.sky-frame{position:relative;min-height:510px;overflow:hidden;background:radial-gradient(ellipse at 50% 70%,#203d60,#10223d 60%,#0d1d35);border:1px solid var(--gold);border-radius:50% 50% 2px 2px / 18% 18% 2px 2px;margin-bottom:1.3rem}
#observatory-scene{position:absolute;inset:0}
#observatory-scene:focus{outline:none}
#observatory-scene:focus-visible{outline:2px solid var(--gold);outline-offset:-4px;border-radius:inherit}
#observatory-scene canvas{display:block;width:100%;height:100%}
.sky-caption{position:absolute;bottom:1rem;left:1.5rem;right:1.5rem;pointer-events:none;color:#f7f4ed;font-size:.8rem;background:linear-gradient(transparent,rgba(13,29,53,.85));padding:1rem}
.sky-tooltip{position:absolute;z-index:1;top:2rem;left:50%;transform:translateX(-50%);width:max-content;max-width:calc(100% - 2rem);padding:.65rem 1rem;background:#f7f4ed;color:var(--navy);border:1px solid var(--gold);border-radius:2px;box-shadow:0 3px 18px #0d1d3533;pointer-events:none;text-align:center}
.sky-tooltip strong{font:1.1rem/1.3 var(--serif)}
.sky-tooltip p{font-size:.78rem;font-variant-numeric:tabular-nums}
.sky-tooltip small{font-size:.7rem;color:var(--muted)}
.sky-caption span{font-family:var(--serif);font-size:1.5rem}
.sky-caption p{max-width:650px;color:#d0dbe5;font-size:.75rem}
.archive-tools{display:flex;align-items:center;gap:1rem;flex-wrap:wrap;margin-top:2.4rem}
.archive-tools label{font-size:.85rem}
.archive-tools input{flex:1;min-width:140px}
.archive-tools select{min-width:150px}
#card-result-count,#recent-filter-count{font-size:.78rem;color:var(--muted);margin:.8rem 0}
.card-frequency-list{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:.5rem;max-height:470px;overflow:auto;padding:.5rem;scrollbar-color:var(--gold) var(--ivory)}
.frequency-card{display:flex;align-items:center;text-align:left;gap:.8rem;border-color:var(--line);padding:.7rem;min-width:0;content-visibility:auto;contain-intrinsic-size:auto 94px}
.frequency-card img{width:42px;height:75px;object-fit:contain;border:1px solid var(--gold);border-radius:2px}
.frequency-card span{font-size:.83rem;line-height:1.4;overflow-wrap:anywhere}
.frequency-card small{display:block;color:var(--muted);font-size:.68rem;font-variant-numeric:tabular-nums}
.frequency-card.selected{border-color:var(--cobalt);background:#e6ecf1}
.card-insight{margin-top:1.5rem;padding:1.6rem;background:var(--ivory);border:1px solid var(--gold);display:grid;grid-template-columns:150px 1fr auto;gap:1.6rem;align-items:start}
.card-insight img{width:150px;height:225px;object-fit:cover}
.card-insight p{margin:.8rem 0;max-width:70ch}
.card-insight button{font-size:.8rem}
.patterns{display:grid;grid-template-columns:1fr 1.2fr;gap:5rem;padding-block:4rem;border-top:1px solid var(--gold)}
.patterns>div>p:not(.eyebrow){margin:1.3rem 0;max-width:42ch}
.spread-usage,.recent-list{list-style:none;padding:0;margin:0}
.spread-usage li{display:grid;grid-template-columns:1fr auto;gap:.3rem 1rem;padding:1rem 0;border-bottom:1px solid var(--line);font-size:.85rem}
.spread-usage meter{grid-column:1/-1;width:100%;height:8px;accent-color:var(--cobalt)}
.spread-usage small{font-variant-numeric:tabular-nums;color:var(--muted)}
.activity-section{padding-block:4rem;border-top:1px solid var(--gold)}
.activity-section .section-heading p{font-size:.82rem;color:var(--muted);max-width:40ch}
#activity-chart{height:210px;display:flex;align-items:end;padding-top:1rem;border-bottom:1px solid var(--gold);overflow:hidden;gap:2px}
#activity-chart .day{flex:1;background:var(--cobalt);min-width:0;max-width:48px;opacity:.8}
.activity-table{margin-top:1rem}
.activity-table summary{font-size:.85rem}
.activity-table table{width:100%;border-collapse:collapse;margin-top:1rem}
.activity-table th,.activity-table td{text-align:left;padding:.5rem;border-bottom:1px solid var(--line);font-variant-numeric:tabular-nums}
.activity-table caption{text-align:left;color:var(--muted);font-size:.8rem}
.activity-table[open]{max-height:420px;overflow:auto}
.recent-section{padding-block:4rem;border-top:1px solid var(--gold)}
.recent-section label{font-size:.8rem;margin-right:.6rem}
.recent-list li{display:grid;grid-template-columns:180px 150px 1fr;gap:1.5rem;padding:1.4rem 0;border-bottom:1px solid var(--line);align-items:start}
.recent-list time{font-size:.75rem;color:var(--muted)}
.recent-list strong{font-size:.8rem;text-transform:capitalize}
.recent-list p{font-family:var(--serif);font-size:1.15rem}
.recent-list .empty{display:block;font:inherit;color:var(--muted)}
footer{padding:2rem 0 3rem;border-top:1px solid var(--gold);display:flex;align-items:start;gap:2rem;flex-wrap:wrap}
footer p{font-size:.75rem;max-width:36ch}
footer nav{margin-left:auto}
footer nav a{font-size:.75rem}
.skip-link{position:absolute;top:0;left:1rem;padding:.6rem;background:var(--marble);z-index:30;transform:translateY(-160%)}
.skip-link:focus{transform:none}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}

@media(max-width:960px){.section-heading{align-items:start;flex-direction:column;gap:1rem}
.card-frequency-list{grid-template-columns:repeat(3,minmax(0,1fr))}
.patterns{gap:2rem}
.dome-intro{min-height:540px}
.dome-ornament{right:-8%}
.recent-list li{grid-template-columns:140px 100px 1fr}
}

@media(max-width:600px){main>section:not(.dome-intro),.connection-bar,footer,.observatory-topbar{width:calc(100% - 32px)}
.observatory-topbar{padding:1rem 0;gap:.8rem;align-items:start;flex-direction:column}
.observatory-topbar nav{gap:1rem;font-size:.8rem}
.dome-intro{min-height:550px;background-position:60% center;background-image:linear-gradient(90deg,rgba(247,244,237,.94),rgba(247,244,237,.74)),image-set(url('../img/optimized/sanctuary-dome-384.webp') type("image/webp") 1x, url('../img/optimized/sanctuary-dome-768.webp') type("image/webp") 2x, url('../img/sanctuary-dome.jpg') type("image/jpeg") 1x)}
.dome-copy{width:calc(100% - 40px);margin-block:3rem}
.dome-copy h1{font-size:3.4rem}
.dome-copy>p:not(.eyebrow){max-width:29ch;font-size:.9rem}
.dome-ornament{width:260px;height:260px;top:16%;right:-25%}
.connection-bar{gap:.7rem;flex-wrap:wrap}
.connection-bar p{flex-basis:100%;order:3}
.connection-bar button{margin-left:auto}
.metrics>div{padding:0 .7rem}
.metrics dt{font-size:.6rem;letter-spacing:.05em}
.metrics dd{font-size:2.6rem}
.overview,.constellation-section,.patterns,.activity-section,.recent-section{padding-block:2.7rem!important}
.sky-frame{min-height:360px}
.sky-caption{left:.4rem;right:.4rem}
.sky-caption span{font-size:1.2rem}
.archive-tools{gap:.6rem}
.archive-tools input{flex-basis:60%}
.card-frequency-list{grid-template-columns:repeat(2,minmax(0,1fr));gap:.3rem;padding:.3rem}
.frequency-card{padding:.4rem;gap:.5rem}
.frequency-card img{width:32px;height:49px}
.frequency-card span{font-size:.75rem}
.card-insight{grid-template-columns:90px 1fr;padding:1rem;gap:1rem}
.card-insight img{width:90px;height:135px}
.card-insight button{grid-column:1/-1}
.patterns{grid-template-columns:1fr}
.recent-list li{grid-template-columns:1fr 1fr;gap:.5rem}
.recent-list p{grid-column:1/-1}
footer nav{margin-left:0;gap:1rem}
}

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