:root{--ink:#172128;--muted:#63717a;--paper:#f8f6f0;--line:#d9ddd9;--teal:#006d77;--orange:#d45b2c;--blue:#335c81;--yellow:#f2d36b;--max:1220px;--s1:8px;--s2:14px;--s3:20px;--s4:28px;--s5:40px;--s6:56px}*{box-sizing:border-box}html{font-size:16px}body{margin:0;color:var(--ink);background:#fff;font-family:Inter,system-ui,-apple-system,"Segoe UI",sans-serif;line-height:1.5}a{color:inherit;text-decoration:none}.site-header{border-bottom:1px solid var(--line);background:#fff}.mast{max-width:var(--max);height:76px;margin:auto;padding:0 24px;display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:42px}.brand{font-family:Georgia,serif;font-size:29px;font-weight:700;white-space:nowrap}.nav{display:flex;justify-content:center;gap:27px}.nav a{font-size:14px;font-weight:650}.nav a:hover,.nav a:focus{color:var(--teal)}.search{width:22px;height:22px;border:2px solid var(--ink);border-radius:50%;background:none;position:relative}.search:after{content:"";width:8px;height:2px;background:var(--ink);position:absolute;right:-6px;bottom:0;transform:rotate(45deg)}.menu-button,.mobile-nav{display:none}.sl3-shell{width:min(calc(100% - 48px),var(--max));margin-inline:auto}.sl3-home{background:#fff;color:var(--ink)}.sl3-intro{padding:32px 0 24px;border-bottom:1px solid var(--line)}.sl3-eyebrow,.sl3-label{display:block;color:var(--teal);font-size:11px;font-weight:800;letter-spacing:.13em;text-transform:uppercase}.sl3-intro h1{font:700 clamp(32px,3.2vw,47px)/1.04 Georgia,serif;margin:8px 0}.sl3-intro p{margin:0;color:var(--muted);font-size:17px;max-width:760px}.sl3-lead{display:grid;grid-template-columns:minmax(0,1.9fr) minmax(300px,1fr);gap:26px;padding:28px 0 34px}.sl3-lead__side{display:grid;grid-template-rows:1fr 1fr;gap:18px}.sl3-card{min-width:0;background:#fff;border-top:3px solid var(--ink);position:relative}.sl3-card__media{display:block;aspect-ratio:16/8.2;overflow:hidden;background:#d6d8d5}.sl3-card__media img{width:100%;height:100%;object-fit:cover}.sl3-card__content{padding:16px 2px 4px}.sl3-card h3{font:700 24px/1.12 Georgia,serif;margin:7px 0 8px}.sl3-card p{color:var(--muted);margin:0;font-size:14px;line-height:1.55}.sl3-card h3 a:hover,.sl3-card h3 a:focus{text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:1px}.sl3-card--feature{border-top:0}.sl3-card--feature .sl3-card__media{max-height:310px}.sl3-card--feature h3{font-size:clamp(29px,2.5vw,39px)}.sl3-card--feature p{font-size:15px;max-width:760px}.sl3-card--compact{background:var(--paper);border-top-color:var(--teal);padding:22px 24px;display:flex;align-items:center}.sl3-card--compact h3{font-size:24px}.sl3-card--compact.accent{background:#e8f1ef}.sl3-card--compact.warm{background:#f4eadf;border-top-color:var(--orange)}.sl3-section{padding:32px 0 38px;border-top:1px solid var(--line)}.sl3-section-head{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:22px}.sl3-section-head h2{font:700 34px/1.1 Georgia,serif;margin:0}.sl3-section-head>a{font-size:13px;font-weight:750;color:var(--teal)}.sl3-section-head>a span{padding-left:5px}.sl3-four-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}.sl3-three-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}.sl3-four-grid .sl3-card,.sl3-three-grid .sl3-card{background:var(--paper);padding:18px 19px 21px;min-height:220px}.sl3-four-grid .sl3-card h3,.sl3-three-grid .sl3-card h3{font-size:21px}.sl3-four-grid .cool{background:#eaf1f5;border-top-color:var(--blue)}.sl3-four-grid .warm{background:#f4eadf;border-top-color:var(--orange)}.sl3-four-grid .dark{background:#23343e;color:#fff;border-top-color:var(--yellow)}.sl3-four-grid .dark p,.sl3-four-grid .dark .sl3-label{color:#d5e0e5}.sl3-section--astronomy{border-top:5px solid #263f5b}.sl3-section--physics{border-top:5px solid #a54a2a}.sl3-section--life{border-top:5px solid #48775c}.sl3-section--tech{border-top:5px solid #76638d}.sl3-latest-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 32px}.sl3-latest-row{display:grid;grid-template-columns:42px 1fr;gap:14px;padding:17px 0;border-top:1px solid var(--line)}.sl3-latest-row>span{color:#a7afb1;font:700 22px Georgia,serif}.sl3-latest-row small{color:var(--teal);font-size:10px;font-weight:800;letter-spacing:.1em}.sl3-latest-row h3{font:700 18px/1.25 Georgia,serif;margin:3px 0}.sl3-archive-intro{padding:36px 0 27px;border-bottom:1px solid var(--line)}.sl3-archive-intro h1{font:700 48px Georgia,serif;margin:7px 0}.sl3-archive-intro p{margin:0;color:var(--muted)}.sl3-archive-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;padding:28px 0}.sl3-archive-grid .sl3-card{background:var(--paper);padding:18px;min-height:230px}.sl3-archive-grid .sl3-card__media{margin:-18px -18px 16px;aspect-ratio:16/8}.sl3-archive-grid .sl3-card h3{font-size:22px}.sl3-pagination{display:flex;justify-content:center;gap:8px;padding:10px 0 30px}.sl3-pagination a{padding:8px 13px;border:1px solid var(--line)}.sl3-pagination .current{background:var(--ink);color:#fff}.article-shell{max-width:1000px}.article{padding:32px 0}.back{font-size:13px;color:var(--teal);font-weight:700}.article-head{max-width:820px;margin:28px auto 24px}.article-head h1{font:700 clamp(40px,5vw,64px)/1.04 Georgia,serif;margin:10px 0 16px}.dek{font-size:20px;line-height:1.45;color:var(--muted);max-width:760px}.byline{display:flex;gap:24px;padding-top:14px;border-top:1px solid var(--line);font-size:12px;font-weight:700}.article-hero{margin:24px 0 34px}.article-hero img{display:block;width:100%;max-height:480px;aspect-ratio:16/8.3;object-fit:cover}.article-hero figcaption{font-size:11px;color:var(--muted);margin-top:7px}.article-body{max-width:760px;margin:auto;font:18px/1.72 Georgia,serif}.article-body>p:first-child{font-size:21px;line-height:1.5}.article-body h2{font:700 31px/1.18 Georgia,serif;margin:43px 0 14px}.article-body h3{font:700 23px/1.2 Georgia,serif;margin:32px 0 10px}.article-body a{color:#086b75;text-decoration:underline;text-underline-offset:3px}.article-body li{margin-bottom:8px}
@media(max-width:960px){.nav{gap:15px}.nav a{font-size:12px}.sl3-four-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:700px){:root{--s5:30px}.mast{height:64px;padding:0 18px;grid-template-columns:auto 1fr auto;gap:16px}.brand{text-align:center;font-size:25px}.nav{display:none}.menu-button{display:block;width:24px;height:20px;border:0;background:none;padding:0;position:relative}.menu-button span,.menu-button:after{content:"";display:block;position:absolute;left:0;width:24px;height:2px;background:var(--ink)}.menu-button span:first-child{top:3px}.menu-button span:last-child{top:11px}.menu-button:after{top:19px}.mobile-nav{position:absolute;z-index:4;top:65px;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);padding:18px 24px 28px;grid-template-columns:1fr 1fr;gap:16px}.site-header.open .mobile-nav{display:grid}.site-header.open .menu-button span:first-child{transform:rotate(45deg);top:10px}.site-header.open .menu-button span:last-child{transform:rotate(-45deg);top:10px}.site-header.open .menu-button:after{display:none}.sl3-shell{width:min(calc(100% - 28px),var(--max))}.sl3-intro{padding:24px 0 20px}.sl3-intro h1{font-size:34px}.sl3-intro p{font-size:15px}.sl3-lead{grid-template-columns:1fr;padding:20px 0 28px}.sl3-lead__side{grid-template-rows:auto}.sl3-card--feature .sl3-card__media{max-height:220px;aspect-ratio:16/9}.sl3-card--feature h3{font-size:30px}.sl3-card--compact{padding:18px}.sl3-card--compact h3{font-size:22px}.sl3-section{padding:27px 0}.sl3-section-head h2{font-size:29px}.sl3-section-head>a{font-size:12px}.sl3-four-grid,.sl3-three-grid,.sl3-latest-grid,.sl3-archive-grid{grid-template-columns:1fr}.sl3-four-grid .sl3-card,.sl3-three-grid .sl3-card,.sl3-archive-grid .sl3-card{min-height:0}.article{padding-top:24px}.article-head{margin:20px 0}.article-head h1{font-size:38px}.dek{font-size:17px}.byline{flex-wrap:wrap;gap:8px 18px}.article-hero{margin-inline:-17px}.article-hero img{max-height:260px}.article-hero figcaption{padding:0 17px}.article-body{font-size:17px}.article-body h2{font-size:27px}.sl3-archive-intro{padding-top:28px}.sl3-archive-intro h1{font-size:41px}}
/* WordPress/Reboot integration */
.home{background:#fff!important}.home .site-content{width:100%!important;max-width:none!important;padding:0!important;margin:0!important;background:#fff!important}.home .site-content-inner,.home .content-area{width:100%!important;max-width:none!important;margin:0!important;padding:0!important}.site-header .social-links{display:none!important}.site-header-inner{max-width:1220px!important;padding-inline:24px!important;display:flex!important;align-items:center!important}.site-header .site-logotype img{width:230px!important;height:auto!important}.site-header .site-branding{flex:0 0 230px!important;margin-right:24px!important}.site-header .top-menu{flex:1 1 auto!important;min-width:0}.site-header .menu{display:flex!important;flex-wrap:nowrap!important;justify-content:space-between!important;gap:12px!important}.site-header .menu>li{white-space:nowrap}.site-header .menu>li>a{padding-inline:0!important;font-size:14px!important;text-decoration:none!important}.site-header .header-search{margin-left:18px}.sl3-trust{margin-top:42px;background:#18242b;color:#fff;padding:34px 0}.sl3-trust>.sl3-shell{display:flex;justify-content:space-between;gap:30px;align-items:center}.sl3-trust div>div{display:flex;gap:18px;align-items:baseline}.sl3-trust strong{font:700 24px Georgia,serif}.sl3-trust span{color:#b8c2c7}.sl3-trust nav{display:flex;gap:22px}.sl3-trust a{color:#fff;text-decoration:none}
.single-post .widget-area{display:none!important}.single-post .content-area{width:100%!important;max-width:940px!important;margin-inline:auto!important}.single-post .entry-title{font-family:Georgia,"Times New Roman",serif;font-size:clamp(38px,4vw,54px)!important;line-height:1.06!important;letter-spacing:-.02em;max-width:850px}.single-post .entry-content{font-family:Georgia,"Times New Roman",serif;font-size:18px;line-height:1.72;max-width:760px;margin-inline:auto}.single-post .entry-content>p:first-child{font-size:20px!important;line-height:1.52!important;font-weight:400!important}.single-post .entry-content p{margin-bottom:1.2em}.single-post .entry-content h2{font:700 30px/1.18 Georgia,"Times New Roman",serif!important;margin:1.65em 0 .55em!important}.single-post .entry-content h3{font:700 22px/1.2 Georgia,"Times New Roman",serif!important;margin:1.4em 0 .5em!important}.single-post .entry-content img{max-width:100%;height:auto}.single-post .entry-image{max-height:430px;overflow:hidden}.single-post .entry-image img{width:100%;height:100%;max-height:430px;object-fit:cover}
.sl3-archive{padding-top:0}.sl3-archive .sl3-card h2{font:700 22px/1.15 Georgia,serif;margin:7px 0 8px}.sl3-archive .sl3-card h2 a{color:inherit!important;text-decoration:none!important}.sl3-archive .sl3-card h2 a:hover,.sl3-archive .sl3-card h2 a:focus{text-decoration:underline!important;text-underline-offset:4px}.sl3-pagination{padding-bottom:36px}.sl3-pagination .nav-links{display:flex;justify-content:center;gap:8px}.sl3-pagination .page-numbers{padding:8px 13px;border:1px solid var(--line);text-decoration:none}.sl3-pagination .current{background:var(--ink);color:#fff}.sl3-empty{padding:50px 0}
@media(max-width:980px){.site-header .menu{gap:9px!important}.site-header .menu>li>a{font-size:12px!important}.site-header .site-branding{flex-basis:200px!important}.site-header .site-logotype img{width:200px!important}}
@media(max-width:700px){.site-header-inner{padding-inline:18px!important}.site-header .site-branding{flex:1 1 auto!important;margin:0!important}.site-header .site-logotype img{width:230px!important}.site-header .top-menu{display:none!important}.sl3-trust>.sl3-shell{align-items:flex-start;flex-direction:column}.sl3-trust div>div{display:block}.sl3-trust span{display:block;margin-top:5px}.single-post .content-area{padding-inline:0!important}.single-post .entry-title{font-size:36px!important}.single-post .entry-content{font-size:17px;line-height:1.68}.single-post .entry-content h2{font-size:27px!important}.single-post .entry-image{max-height:260px}.sl3-archive-grid{grid-template-columns:1fr}}
.sl3-four-grid .sl3-card.dark h3,.sl3-four-grid .sl3-card.dark h3 a{color:#fff!important}
@media(max-width:700px){.main-navigation{background:#fff!important;box-shadow:0 8px 18px rgba(23,33,40,.08)}.main-navigation-inner{padding:0!important}#header_menu{display:grid!important;grid-template-columns:1fr 1fr!important;gap:0 12px!important;padding:12px 24px 18px!important}#header_menu>li{margin:0!important;border:0!important}#header_menu>li>a{display:block!important;padding:10px 4px!important;font-size:16px!important;line-height:1.25!important}}

/* Final visual presentation pass: use the accepted featured media in every editorial card. */
.sl3-four-grid .sl3-card__media,.sl3-three-grid .sl3-card__media{margin:-18px -19px 16px;aspect-ratio:16/9}
.sl3-four-grid .sl3-card__media img,.sl3-three-grid .sl3-card__media img{display:block;width:100%;height:100%;object-fit:cover}
.sl3-card--compact{display:grid;grid-template-columns:minmax(138px,.88fr) minmax(0,1.3fr);align-items:stretch;padding:0}
.sl3-card--compact .sl3-card__media{height:100%;min-height:150px;aspect-ratio:auto}
.sl3-card--compact .sl3-card__media img{display:block;width:100%;height:100%;object-fit:cover}
.sl3-card--compact .sl3-card__content{padding:18px 19px}
.sl3-card--compact h3{font-size:21px}
.sl3-latest-row{grid-template-columns:112px 42px minmax(0,1fr);align-items:center}
.sl3-latest-thumb{display:block;aspect-ratio:4/3;overflow:hidden;background:#d6d8d5}
.sl3-latest-thumb img{display:block;width:100%;height:100%;object-fit:cover}
.sl3-archive-grid .sl3-card{overflow:hidden}
.sl3-archive-grid .sl3-card__media img{display:block;width:100%;height:100%;object-fit:cover}
.single-post .entry-image{margin-bottom:30px;border-radius:2px;background:#eef0ed}
.single-post .entry-content p{margin-bottom:1.3em}
.single-post .entry-content ul,.single-post .entry-content ol,.single-post .entry-content blockquote,.single-post .entry-content figure{margin-top:1.4em;margin-bottom:1.65em}
.single-post .entry-content figure img,.single-post .entry-content>img{display:block;max-width:100%;height:auto;margin-inline:auto}
@media(max-width:700px){.sl3-four-grid .sl3-card__media,.sl3-three-grid .sl3-card__media{margin:-18px -19px 15px}.sl3-card--compact{grid-template-columns:112px minmax(0,1fr)}.sl3-card--compact .sl3-card__media{min-height:132px}.sl3-card--compact .sl3-card__content{padding:15px 14px}.sl3-card--compact h3{font-size:19px}.sl3-card--compact p{display:none}.sl3-latest-row{grid-template-columns:92px minmax(0,1fr);gap:14px}.sl3-latest-row>span{display:none}.single-post .entry-image{border-radius:0;margin-bottom:25px}.single-post .entry-content p{margin-bottom:1.25em}}