/* Shared editorial shell for the live earth and sky experiences. */
:root{color-scheme:light dark;--obs-bg:#f6f5f1;--obs-surface:#fff;--obs-text:#19252c;--obs-muted:#627078;--obs-line:#dfE3e1;--obs-accent:#b34720;--obs-soft:#f7e8de;--obs-radius:20px}
:root[data-section="astronomy"]{--obs-accent:#6354b3;--obs-soft:#eeebfa}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;background:var(--obs-bg);color:var(--obs-text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;font-size:16px;line-height:1.65;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button,input,select{font:inherit}button,a,input,select{touch-action:manipulation}button{cursor:pointer}img,svg{max-width:100%}img{height:auto}h1,h2,h3,h4,p{margin-top:0}h1,h2,h3,h4{line-height:1.12;letter-spacing:-.035em}h1{font-size:clamp(2.6rem,5.6vw,4.8rem);font-weight:680;max-width:950px;margin-bottom:24px}h2{font-size:clamp(1.75rem,3vw,2.7rem);font-weight:650;margin-bottom:20px}h3{font-size:1.35rem;font-weight:650;margin-bottom:12px}p{margin-bottom:20px}small{font-size:.8rem}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid var(--obs-accent);outline-offset:5px}a:hover{color:var(--obs-accent)}[hidden]{display:none!important}.obs-wrap{width:min(1200px,calc(100% - 80px));margin-inline:auto}.obs-header{border-bottom:1px solid var(--obs-line);background:var(--obs-bg);position:relative;z-index:30}.obs-header-inner{min-height:94px;display:flex;align-items:center;gap:36px}.obs-brand{font-size:19px;font-weight:720;letter-spacing:-.045em;display:inline-flex;align-items:center;gap:11px;line-height:1.3;white-space:nowrap}.obs-brand img{width:36px;height:36px;border-radius:9px}.obs-brand-caption{display:block;font-size:10px;font-weight:500;letter-spacing:.01em;color:var(--obs-muted);margin-top:3px}.obs-primary-nav{display:flex;gap:30px;margin-left:auto;font-size:14px;font-weight:550;align-self:stretch;align-items:center}.obs-primary-nav a{align-content:center;height:100%;position:relative}.obs-primary-nav a.active{color:var(--obs-accent)}.obs-primary-nav a.active:after{content:"";position:absolute;bottom:0;left:0;right:0;height:3px;background:var(--obs-accent)}.obs-button{border:1px solid transparent;border-radius:100px;display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:12px 22px;background:var(--obs-text);color:var(--obs-bg);font-weight:600;font-size:14px;line-height:1.4;text-decoration:none;min-height:45px}.obs-button:hover{background:var(--obs-accent);color:#fff}.obs-button.secondary{border-color:var(--obs-line);background:transparent;color:var(--obs-text)}.obs-button.secondary:hover{border-color:var(--obs-accent);color:var(--obs-accent)}.obs-menu-toggle{display:none;border:1px solid var(--obs-line);border-radius:20px;background:none;color:var(--obs-text);padding:8px 15px}.obs-mobile-nav{padding-block:14px 24px}.obs-mobile-nav a{display:block;padding:10px 0;border-bottom:1px solid var(--obs-line)}.obs-skip{position:absolute;top:-100px;left:20px;z-index:100;background:var(--obs-surface);padding:10px}.obs-skip:focus{top:10px}.obs-breadcrumbs{display:flex;gap:10px;flex-wrap:wrap;font-size:12px;color:var(--obs-muted);padding-block:26px 8px}.obs-breadcrumbs a{text-decoration:underline;text-underline-offset:4px}.obs-hero{padding-block:62px 42px}.obs-eyebrow{display:block;font-size:11px;letter-spacing:.16em;text-transform:uppercase;font-weight:720;color:var(--obs-accent);margin-bottom:17px}.obs-lede{font-size:clamp(17px,2vw,20px);line-height:1.65;max-width:680px;color:var(--obs-muted)}.obs-muted{color:var(--obs-muted)}.obs-section{padding-block:38px}.obs-section-heading{display:flex;align-items:baseline;justify-content:space-between;gap:24px;margin-bottom:22px}.obs-section-heading h2{margin:0}.obs-section-heading>a{font-size:14px;text-decoration:underline;text-underline-offset:5px}.obs-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.obs-grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}.obs-card{background:var(--obs-surface);border:1px solid var(--obs-line);border-radius:var(--obs-radius);padding:28px;min-width:0}.obs-card p:last-child{margin-bottom:0}.obs-card p{color:var(--obs-muted)}.obs-card a:not(.obs-button){text-decoration:underline;text-underline-offset:4px}a.obs-card{text-decoration:none;transition:border-color .15s,transform .15s}a.obs-card:hover{border-color:var(--obs-accent);transform:translateY(-2px)}.obs-stat-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border-block:1px solid var(--obs-line);margin-block:28px}.obs-stat{padding:24px 30px;border-right:1px solid var(--obs-line)}.obs-stat:first-child{padding-left:0}.obs-stat:last-child{border:0}.obs-stat strong{display:block;font-size:34px;line-height:1.2;letter-spacing:-.04em}.obs-stat span,.obs-stat small{color:var(--obs-muted);font-size:12px}.obs-pill{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--obs-line);border-radius:30px;padding:5px 11px;font-size:11px;font-weight:650;letter-spacing:.015em}.obs-filters{display:flex;align-items:end;flex-wrap:wrap;gap:16px;margin-block:22px}.obs-filters label{display:block;font-size:12px;font-weight:600}.obs-filters input,.obs-filters select{display:block;width:100%;border:1px solid var(--obs-line);border-radius:9px;color:var(--obs-text);background:var(--obs-surface);padding:10px 13px;min-height:45px;margin-top:5px}.obs-empty{padding:50px 32px;border:1px dashed var(--obs-line);border-radius:var(--obs-radius);background:var(--obs-surface)}.obs-empty p{max-width:650px;color:var(--obs-muted)}.obs-detail-grid{display:grid;grid-template-columns:minmax(0,2fr) minmax(0,1fr);gap:32px}.obs-facts{margin:0}.obs-facts>div{padding:16px 0;border-bottom:1px solid var(--obs-line)}.obs-facts dt{color:var(--obs-muted);font-size:12px}.obs-facts dd{margin:3px 0 0;font-weight:600;overflow-wrap:anywhere}.obs-callout{background:var(--obs-soft);border-radius:16px;padding:24px 28px;border-left:3px solid var(--obs-accent);margin-block:24px}.obs-callout p:last-child{margin:0}.obs-callout a{text-decoration:underline}.obs-list{margin:0;padding:0;list-style:none}.obs-list-item{border-bottom:1px solid var(--obs-line);padding:20px 0}.obs-app-promo{margin-top:70px;margin-bottom:50px;background:var(--obs-surface);border:1px solid var(--obs-line);border-radius:24px;padding:44px 48px;display:grid;grid-template-columns:1.5fr 1fr;gap:64px;align-items:center}.obs-app-promo h2{font-size:32px;margin-bottom:14px}.obs-app-promo p{color:var(--obs-muted);max-width:580px;font-size:15px}.obs-app-promo>div>a:not(.obs-button){font-size:13px;text-decoration:underline;text-underline-offset:4px}.obs-app-actions{display:flex;flex-direction:column;gap:12px}.obs-app-actions small{color:var(--obs-muted);text-align:center;font-size:11px}.obs-footer{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:25px;border-top:1px solid var(--obs-line);padding-block:28px 40px}.obs-footer nav{display:flex;flex-wrap:wrap;gap:22px;font-size:12px}.obs-footer>span{font-size:11px;color:var(--obs-muted)}.obs-toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);padding:13px 24px;background:var(--obs-text);color:var(--obs-bg);border-radius:15px;box-shadow:0 6px 30px #0003;max-width:90%;overflow-wrap:anywhere;z-index:100}.embedded .obs-header,.embedded .obs-footer,.embedded .obs-app-promo{display:none}.embedded .obs-hero{padding-top:24px}.embedded .obs-wrap{width:min(1200px,calc(100% - 36px))}.desktop-modal body{padding-bottom:24px}main a:not([class]){text-decoration:underline;text-underline-offset:4px}main table{border-collapse:collapse;width:100%;font-size:14px}main th{text-align:left;color:var(--obs-muted);font-weight:500;font-size:12px}main th,main td{padding:14px 12px;border-bottom:1px solid var(--obs-line)}main details{border-bottom:1px solid var(--obs-line);padding:20px 0}main summary{cursor:pointer;font-weight:600}main details[open] summary{margin-bottom:15px}main details p{color:var(--obs-muted)}
@media(prefers-color-scheme:dark){:root:not([data-theme="light"]){--obs-bg:#11151b;--obs-surface:#1a2028;--obs-text:#ecefeF;--obs-muted:#a0abb5;--obs-line:#303943;--obs-accent:#f7a07a;--obs-soft:#31241f}:root[data-section="astronomy"]:not([data-theme="light"]){--obs-accent:#b3a7f5;--obs-soft:#29243b}}
:root[data-theme="dark"]{--obs-bg:#11151b;--obs-surface:#1a2028;--obs-text:#ecefef;--obs-muted:#a0abb5;--obs-line:#303943;--obs-accent:#f7a07a;--obs-soft:#31241f}:root[data-section="astronomy"][data-theme="dark"]{--obs-accent:#b3a7f5;--obs-soft:#29243b}
@media(max-width:1000px){.obs-wrap{width:calc(100% - 48px)}.obs-header-inner{gap:20px}.obs-primary-nav{gap:20px}.obs-brand-caption{display:none}.obs-download{padding:10px 16px}.obs-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.obs-app-promo{gap:30px;padding:32px}.obs-footer nav{gap:16px}}
@media(max-width:720px){.obs-wrap{width:calc(100% - 36px)}.obs-header-inner{min-height:76px;gap:12px}.obs-brand{font-size:17px}.obs-primary-nav{display:none}.obs-download{margin-left:auto;font-size:12px;padding:9px 14px;min-height:40px}.obs-menu-toggle{display:block;font-size:12px}.obs-hero{padding-block:40px 28px}.obs-lede{font-size:17px}.obs-grid,.obs-grid.two,.obs-detail-grid{grid-template-columns:1fr}.obs-card{padding:24px}.obs-section{padding-block:26px}.obs-section-heading{align-items:start;gap:16px}.obs-section-heading>a{font-size:12px}.obs-stat{padding:20px 14px}.obs-stat strong{font-size:27px}.obs-stat span{font-size:11px}.obs-filters>div{flex:1 1 130px}.obs-app-promo{grid-template-columns:1fr;padding:28px;margin-top:44px;gap:24px}.obs-app-promo h2{font-size:28px}.obs-footer{gap:22px}.obs-footer nav{width:100%}h1{letter-spacing:-.045em}.obs-callout{padding:22px}.obs-empty{padding:32px 24px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}}