/* Reading surfaces extend Spacian's dark, photographic identity without changing tracker tokens. */
.seoPage{max-width:1100px;margin:0 auto;color:var(--text,#f5f5f7)}
.seoTrail{display:flex;gap:12px;align-items:center;margin:32px 0;font-size:13px;color:var(--muted);flex-wrap:wrap}
.seoPage a{color:inherit;text-underline-offset:4px}.seoTrail a{color:var(--muted)}
.seoHero{max-width:820px;padding:20px 0 12px}.seoHero h1{font:700 clamp(36px,4.7vw,64px)/1.08 -apple-system,BlinkMacSystemFont,"Helvetica Neue",Arial,sans-serif;letter-spacing:-.045em;text-wrap:balance;margin:16px 0 22px}
.seoLead{font-size:20px;line-height:1.65;color:var(--muted);max-width:740px}.seoByline{font-size:13px;color:var(--soft);margin:8px 0 48px}
.seoReading{display:grid;grid-template-columns:230px minmax(0,680px);gap:72px;align-items:start}.seoContents{display:flex;flex-direction:column;gap:16px;position:sticky;top:28px;border-top:1px solid var(--line);padding-top:20px;font-size:13px;line-height:1.5}.seoContents strong{font-size:12px;text-transform:uppercase;letter-spacing:.08em;color:var(--soft)}.seoContents a{color:var(--muted);text-decoration:none}.seoContents a:hover{color:var(--blue)}
.seoArticle{min-width:0}.seoArticle section{scroll-margin-top:30px;margin:0 0 38px}.seoArticle h2,.seoIndexSection h2,.seoRelated h2,.seoDiscover h2{font-size:clamp(23px,2.7vw,31px);letter-spacing:-.025em;line-height:1.25;font-weight:650;margin:0 0 16px}.seoArticle p,.seoHubIntro p{font-size:17px;line-height:1.85;color:var(--muted);margin:0}.seoSources{border-top:1px solid var(--line);padding-top:26px}.seoSources a{display:block;margin:12px 0;font-size:14px;color:var(--blue)}.seoSources p{font-size:13px}.seoRelated{margin:48px 0;border-top:1px solid var(--line);padding-top:30px}.seoRelated>div,.seoDiscover>div:last-child{display:flex;flex-wrap:wrap;gap:10px 24px}.seoRelated a,.seoDiscover a{font-size:15px;line-height:1.6;color:var(--blue);text-decoration:none}.seoRelated a:hover,.seoDiscover a:hover{text-decoration:underline}
.seoIndexSection{margin:48px 0 24px}.seoTopicGrid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.seoTopicGrid>a{position:relative;border:1px solid var(--line);border-radius:20px;padding:26px;background:linear-gradient(140deg,#101c28,#090d13);text-decoration:none}.seoTopicGrid h3{font-size:29px;letter-spacing:-.03em;margin:18px 0 8px}.seoTopicGrid p{font-size:14px;line-height:1.7;color:var(--muted);max-width:90%}.seoTopicGrid>a>span:last-child{position:absolute;right:24px;top:25px;color:var(--blue)}.seoGuideGrid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 36px}.seoGuideGrid>a{display:flex;gap:16px;border-top:1px solid var(--line);padding:26px 0;text-decoration:none;align-items:flex-start}.seoGuideGrid h3{font-size:21px;line-height:1.35;letter-spacing:-.02em;margin:8px 0}.seoGuideGrid p{font-size:14px;line-height:1.65;color:var(--muted);margin:0}.seoGuideGrid .eyebrow{font-size:10px}.seoNumber{font-variant-numeric:tabular-nums;color:var(--soft);font-size:12px;padding-top:3px}.seoGuideGrid>a>span:last-child{margin-left:auto;color:var(--blue)}
.seoHubIntro{max-width:760px}.seoHubIntro .ghost{margin-top:20px}.seoCoverage,.seoNotice{color:var(--muted);font-size:14px;line-height:1.7}.seoCoverage{max-width:800px;margin:20px 0}.seoNotice{padding:24px;border:1px solid var(--line);border-radius:16px}
.seoMissionList{list-style:none;padding:0;margin:0}.seoMissionList>li{display:grid;grid-template-columns:240px minmax(0,1fr);gap:28px;padding:22px 0;border-top:1px solid var(--line)}.seoMissionList a{font-size:20px;font-weight:600;text-decoration:none;line-height:1.4}.seoMissionList a:hover{color:var(--blue)}.seoMissionList p{font-size:13px;line-height:1.6;color:var(--muted);margin:8px 0 0}.seoMissionTime{display:flex;flex-direction:column;gap:8px;font-size:14px;line-height:1.5;font-variant-numeric:tabular-nums}.seoMissionTime span{color:var(--soft);font-size:12px}.seoArchiveGrid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin:30px 0}.seoArchiveGrid a{padding:20px;border:1px solid var(--line);border-radius:12px;text-decoration:none;font-size:16px}
.seoFeedLinks>div{border-top:1px solid var(--line);padding:18px 0}.seoFeedLinks a{display:block;color:var(--blue);margin-bottom:10px}.seoFeedLinks code{font-size:13px;overflow-wrap:anywhere;color:var(--muted)}.seoArticle textarea{display:block;width:100%;max-width:100%;box-sizing:border-box;background:#0d1520;color:#f5f5f7;border:1px solid var(--line);border-radius:12px;padding:18px;font:13px/1.7 monospace;margin:12px 0 20px;resize:vertical}.seoArticle label{font-size:14px;color:var(--muted)}.seoTableWrap{overflow:auto;margin:30px 0}.seoTableWrap table{border-collapse:collapse;width:100%;font-size:14px;line-height:1.6}.seoTableWrap caption{text-align:left;margin-bottom:15px}.seoTableWrap th,.seoTableWrap td{padding:14px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}.seoTableWrap td{color:var(--muted)}
.seoDiscover{margin:56px 0 20px;padding:28px 0;border-top:1px solid var(--line)}.seoDiscover p{font-size:15px;color:var(--muted);line-height:1.6}.seoDiscover>div:last-child{margin-top:22px}.seoPage :focus-visible,.seoDiscover :focus-visible{outline:2px solid var(--blue);outline-offset:5px}.seoMissionRelated{margin-top:48px}
@media(max-width:800px){.seoReading{grid-template-columns:180px minmax(0,1fr);gap:32px}.seoArchiveGrid{grid-template-columns:repeat(2,minmax(0,1fr))}.seoMissionList>li{grid-template-columns:190px minmax(0,1fr);gap:20px}}
@media(max-width:600px){.seoTrail{margin:24px 0}.seoHero{padding-top:6px}.seoHero h1{font-size:38px}.seoLead{font-size:17px}.seoReading{display:flex;flex-direction:column;gap:30px}.seoContents{position:static;width:100%;gap:12px}.seoByline{margin-bottom:30px}.seoArticle p{font-size:16px}.seoTopicGrid,.seoGuideGrid{grid-template-columns:1fr}.seoMissionList>li{grid-template-columns:1fr;gap:10px}.seoMissionTime{flex-direction:row;flex-wrap:wrap;gap:8px 16px}.seoMissionList a{font-size:18px}.seoArchiveGrid{grid-template-columns:1fr}.seoIndexSection{margin-top:36px}.seoRelated{margin:36px 0}.seoTopicGrid>a{padding:22px}.seoDiscover h2{font-size:26px}}

.seoAppInvite{display:flex;align-items:center;justify-content:space-between;gap:28px;padding:28px;border:1px solid var(--line);border-radius:20px;background:#0c141e;margin-top:48px}.seoAppInvite h2{font-size:23px;letter-spacing:-.025em;margin:0 0 10px}.seoAppInvite p{font-size:14px;line-height:1.7;color:var(--muted);max-width:570px;margin:0}.seoAppInvite .storeBadge{flex-shrink:0}@media(max-width:600px){.seoAppInvite{display:block;padding:24px}.seoAppInvite .storeBadge{margin-top:20px;display:inline-flex}}

/* Practical guides: comparisons, keyboard-scrollable tables and a labelled local map. */
.seoArticle .seoTableWrap{max-width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch;margin:24px 0}
.seoArticle .seoTableWrap:focus-visible{outline:3px solid #176b83;outline-offset:4px}
.seoArticle table{min-width:520px}
.seoArticle li{margin-block:12px;line-height:1.7}
.seoArticle dt{font-weight:650;margin-top:24px;line-height:1.5}
.seoArticle dd{margin:8px 0 20px;line-height:1.75}
.seoViewingMap{margin:28px 0}
.seoViewingMap svg{display:block;width:100%;height:auto;max-width:100%}
.seoViewingMap figcaption{font-size:14px;line-height:1.65;margin-top:12px;color:var(--muted,#52646b)}
.mcDateAnswer{max-width:900px}
.mcDateAnswer h2{font-size:clamp(22px,3vw,30px);line-height:1.2;margin-bottom:14px}
.mcDateAnswer p{line-height:1.75;max-width:78ch}
.mcAnswerSources a{overflow-wrap:anywhere}
@media(max-width:600px){.seoViewingMap{margin-inline:0}.seoArticle .guideCategories{gap:8px}.seoArticle table{font-size:14px}}