:root{color-scheme:dark;--bg:#101b20;--panel:#15242a;--panel-2:#1b2c31;--line:#304047;--text:#e9eae1;--muted:#9aa9a9;--accent:#d8eb83;--orange:#de9c72;--display:'Trebuchet MS','Segoe UI',sans-serif;--body:'Segoe UI',Arial,sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:var(--body);font-size:14px}button,input{font:inherit}button{cursor:pointer}a{color:inherit;text-decoration:none}a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--accent);outline-offset:4px}::selection{background:var(--accent);color:var(--bg)}
.site-shell{min-height:100vh;max-width:1800px;margin:auto;background:var(--bg)}.topbar{height:82px;border-bottom:1px solid var(--line);display:flex;align-items:center;padding:0 42px;gap:50px}.brand{display:flex;align-items:center;gap:15px;min-width:244px}.brand-mark{width:38px;height:38px;border:1.5px solid var(--accent);border-radius:50%;position:relative;display:grid;place-items:center;transform:rotate(-27deg)}.brand-mark:before{content:'';position:absolute;width:49px;height:15px;border:1.5px solid var(--accent);border-radius:50%}.brand-mark span{width:8px;height:8px;background:var(--accent);border-radius:50%}.brand-copy{display:flex;flex-direction:column;gap:4px;letter-spacing:.16em}.brand-copy strong{font-family:var(--display);font-size:12px}.brand-copy small{font-size:9px;color:var(--accent);letter-spacing:.3em}.topnav{display:flex;align-self:stretch;gap:38px}.topnav a{position:relative;display:flex;align-items:center;color:#b4c0bc;font-size:12px;letter-spacing:.04em;transition:color .2s}.topnav a:hover,.topnav a.active{color:var(--accent)}.topnav a.active:after{content:'';position:absolute;height:2px;background:var(--accent);bottom:0;left:0;right:0}.topbar-status{margin-left:auto;white-space:nowrap;color:#b4c0bc;font-size:9px;letter-spacing:.2em}.status-dot{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--accent);margin-right:8px;box-shadow:0 0 10px var(--accent)}.status-index{color:#607478;margin-left:9px}
.layout{display:grid;grid-template-columns:260px minmax(0,1fr);min-height:calc(100vh - 146px)}.sidebar{border-right:1px solid var(--line);padding:32px 19px 25px 25px;display:flex;flex-direction:column;min-height:680px}.side-kicker{font-size:9px;letter-spacing:.22em;color:var(--muted);display:flex;justify-content:space-between;padding:0 9px 21px}.side-kicker span{color:var(--accent)}.search-wrap{height:43px;border:1px solid #405257;background:#19292f;display:flex;align-items:center;padding:0 10px;margin-bottom:35px;gap:7px}.search-icon{color:var(--accent);font-size:24px;line-height:1;transform:rotate(-20deg)}.search-wrap input{min-width:0;width:100%;background:none;border:0;outline:0;color:var(--text);font-size:12px}.search-wrap input::placeholder{color:#8b9b9d}.search-wrap kbd{font:10px var(--body);color:#74878a;border:1px solid #516166;padding:1px 5px}.side-label{font-size:9px;letter-spacing:.24em;color:#71888b;padding:0 10px 13px}.category-nav{display:grid;gap:4px}.category-nav button{border:0;background:transparent;color:#b8c7c5;width:100%;min-height:38px;display:flex;align-items:center;text-align:left;padding:0 12px;gap:12px;font-size:12px;transition:.2s}.category-nav button:hover{background:#20343a;color:var(--text)}.category-nav button.active{background:#2b3e3e;color:var(--accent)}.category-nav .nav-icon{width:19px;text-align:center;color:var(--accent);font-size:15px}.category-nav .nav-count{margin-left:auto;color:#789092;font-size:10px}.side-bottom{margin-top:auto;padding:27px 12px 0;border-top:1px solid var(--line);color:#8da09e}.side-orbit{color:var(--accent);font-size:28px}.side-bottom p{font-size:11px;line-height:1.7;margin:10px 0 18px}.side-bottom strong{color:#c7d1cb;font-weight:600}.side-bottom-line{font-size:9px;letter-spacing:.2em;color:#637a7d}main{min-width:0}.view{min-height:600px}.view[hidden]{display:none!important}
.hero{min-height:451px;display:grid;grid-template-columns:54% 46%;border-bottom:1px solid var(--line);overflow:hidden}.hero-copy{padding:65px 30px 60px clamp(38px,6vw,92px);position:relative;z-index:1}.eyebrow{font-size:10px;font-weight:700;letter-spacing:.22em;color:var(--accent);display:flex;align-items:center;gap:12px}.tiny-line{width:21px;height:1px;background:var(--accent);display:inline-block}.hero h1,.page-heading h1{font-family:var(--display);font-weight:500;letter-spacing:-.06em;line-height:1.06;margin:31px 0 20px;font-size:clamp(42px,4.6vw,70px)}.hero h1 em{font-style:normal;color:var(--accent)}.hero p,.page-heading p{font-size:14px;line-height:1.75;max-width:470px;color:#aebdb9}.primary-button{display:inline-flex;align-items:center;gap:31px;background:var(--accent);color:#16231e;padding:14px 18px;margin-top:24px;font-size:12px;font-weight:700;transition:transform .2s,background .2s}.primary-button:hover{background:#ecf6af;transform:translateY(-2px)}.primary-button span{font-size:16px}.hero-art{position:relative;min-height:451px;background:radial-gradient(ellipse at 47% 49%,#314852 0,#1b3039 35%,#13242b 67%,#112127 100%);overflow:hidden}.hero-art:before{content:'';position:absolute;inset:0;background-image:radial-gradient(#b3c1ac 1px,transparent 1px);background-size:53px 53px;opacity:.16}.hero-art:after{content:'';position:absolute;inset:0;background:linear-gradient(90deg,var(--bg),transparent 15%,transparent 85%,#10202888)}.orbit{position:absolute;border:1px solid #829aa05c;border-radius:50%;left:50%;top:50%;transform:translate(-50%,-50%) rotate(-25deg)}.orbit-one{width:325px;height:325px}.orbit-two{width:480px;height:220px}.orbit-three{width:595px;height:390px;opacity:.55}.planet{position:absolute;width:270px;height:270px;left:50%;top:50%;transform:translate(-50%,-50%);border-radius:50%;background:radial-gradient(circle at 30% 27%,#b2d2a8 0,#698d81 14%,#456f71 32%,#2b515c 59%,#152f3b 79%);box-shadow:inset -35px -21px 45px #091d2aac,0 0 60px #8ac7a33a;overflow:hidden}.planet:before{content:'';position:absolute;width:230px;height:95px;left:-24px;top:71px;border-radius:50%;background:#294b52;transform:rotate(-27deg);box-shadow:80px -54px 0 15px #69918177,111px 55px 0 10px #769d8477}.planet:after{content:'';position:absolute;inset:0;border-radius:50%;background:repeating-linear-gradient(160deg,transparent 0 15px,#d0e6bd0b 16px 17px)}.planet-shade{position:absolute;inset:0;background:linear-gradient(115deg,transparent 35%,#0c25345e 70%)}.orbital-node{position:absolute;width:8px;height:8px;background:var(--accent);border-radius:50%;box-shadow:0 0 0 5px #d8eb8323,0 0 15px var(--accent)}.node-one{top:78px;right:107px}.node-two{bottom:67px;left:100px;width:5px;height:5px}.art-caption,.art-coordinate{position:absolute;z-index:2;color:#bad0c6;font-size:9px;letter-spacing:.18em}.art-caption{bottom:28px;left:32px}.art-caption span{color:var(--accent);padding:0 8px}.art-coordinate{right:30px;top:29px;line-height:1.7;text-align:right;color:#8da7a7}
.section-head{display:flex;align-items:end;justify-content:space-between;padding:48px clamp(30px,5vw,80px) 20px}.section-head h2,.feature-band h2{font:500 30px var(--display);letter-spacing:-.05em;margin:8px 0 0}.eyebrow.muted{color:#849b9c}.section-aside,.results-count{font-size:10px;letter-spacing:.17em;color:#819699}.category-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1px;background:var(--line);margin:0 clamp(30px,5vw,80px) 60px;border:1px solid var(--line)}.category-tile{background:#16262c;min-height:175px;padding:20px;display:flex;flex-direction:column;transition:background .2s}.category-tile:hover{background:#23373a}.category-tile .tile-top{display:flex;justify-content:space-between;align-items:start}.tile-icon{font-size:25px;color:var(--accent);font-family:var(--display);font-weight:400}.tile-arrow{color:#82989a}.category-tile h3{font:500 17px var(--display);margin:auto 0 6px}.category-tile p{font-size:11px;color:#90a3a2;line-height:1.4;margin:0}.feature-band{margin:0 clamp(30px,5vw,80px) 65px;border-top:1px solid var(--line);padding:35px 0;display:grid;grid-template-columns:1fr 1fr;gap:20px}.feature-band p{max-width:440px;color:#9cadaa;line-height:1.7}.feature-band a,.about-panel a{color:var(--accent);font-size:12px;font-weight:700}.feature-band a span,.about-panel a span{padding-left:8px}.feature-diagram{display:flex;align-items:center;justify-content:space-around;border:1px solid var(--line);background:repeating-linear-gradient(90deg,#1a2b30 0 1px,transparent 1px 36px),repeating-linear-gradient(#1a2b30 0 1px,transparent 1px 36px);padding:18px;min-height:170px}.feature-diagram span{border:1px solid #49605e;background:#1d3335;color:var(--accent);width:64px;height:64px;display:grid;place-content:center;text-align:center;line-height:1.5;font:11px var(--display)}.feature-diagram span b{font-size:9px;letter-spacing:.12em;color:#d3dbce}.feature-diagram i{color:#647e79;font-style:normal}
.page-heading{padding:57px clamp(30px,5vw,80px) 30px;border-bottom:1px solid var(--line);background:radial-gradient(circle at 90% 20%,#284142 0,transparent 32%)}.page-heading h1{margin:20px 0 8px}.page-heading p{margin:0}.heading-period{color:var(--accent)}.browse-toolbar{padding:28px clamp(30px,5vw,80px) 24px;display:flex;gap:20px;align-items:center;justify-content:space-between}.filter-row{display:flex;gap:7px;flex-wrap:wrap}.filter-row button{border:1px solid #45595b;background:transparent;color:#afc0bc;padding:8px 12px;font-size:11px}.filter-row button:hover,.filter-row button.active{background:var(--accent);border-color:var(--accent);color:#172722}.entry-grid{padding:0 clamp(30px,5vw,80px) 70px;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:13px}.entry-card{min-height:222px;background:#192b30;border:1px solid #34494a;padding:19px;display:flex;flex-direction:column;transition:background .2s,transform .2s,border-color .2s}.entry-card:hover{background:#223a3d;border-color:#829979;transform:translateY(-3px)}.entry-card-top{display:flex;justify-content:space-between;align-items:start}.item-symbol{width:63px;height:63px;display:grid;place-items:center;border:1px solid var(--symbol-line,#648677);background:radial-gradient(circle at 30% 25%,var(--symbol-glow,#6d9a71),#21383d 80%);color:#eff0d6;font:700 22px var(--display);letter-spacing:-.06em;transform:rotate(-4deg)}.item-symbol span{transform:rotate(4deg)}.entry-card .entry-tag{font-size:9px;letter-spacing:.18em;color:var(--accent);text-transform:uppercase}.entry-card h2{font:500 20px var(--display);letter-spacing:-.03em;margin:21px 0 6px}.entry-card p{margin:0;color:#9eb0ad;font-size:12px;line-height:1.5}.entry-card-bottom{display:flex;justify-content:space-between;margin-top:auto;padding-top:20px;color:#829a98;font-size:10px}.entry-card-bottom span:last-child{font-size:16px;color:var(--accent)}.empty-state{margin:30px clamp(30px,5vw,80px);color:#aabcb6}
.article-breadcrumb{padding:30px clamp(30px,5vw,80px) 0;color:#8ea4a3;font-size:11px}.article-breadcrumb a:hover{color:var(--accent)}.article-breadcrumb span{padding:0 10px;color:#587376}.article-head{display:flex;align-items:center;gap:25px;padding:35px clamp(30px,5vw,80px) 42px;border-bottom:1px solid var(--line)}.article-head .item-symbol{width:95px;height:95px;font-size:31px;flex:none}.article-head .eyebrow{font-size:9px}.article-head h1{font:500 clamp(38px,4vw,60px) var(--display);letter-spacing:-.06em;margin:8px 0}.article-head p{margin:0;color:#a6b8b4;font-size:13px}.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 275px;gap:48px;padding:42px clamp(30px,5vw,80px) 80px}.article-copy h2{font:500 26px var(--display);letter-spacing:-.04em;margin:0 0 15px}.article-copy p{color:#b6c4be;line-height:1.85;font-size:14px;max-width:720px}.article-copy ul{padding-left:20px;color:#b6c4be;line-height:1.85}.article-copy li{padding-left:4px;margin:5px 0}.article-copy li::marker{color:var(--accent)}.article-divider{height:1px;background:var(--line);margin:30px 0}.article-copy .source-note{font-size:12px;color:#90a7a1}.source-note a{color:var(--accent);text-decoration:underline;text-underline-offset:3px}.fact-panel{border:1px solid #455957;background:#1a2d31;align-self:start}.fact-panel-title{padding:18px;border-bottom:1px solid #455957;color:var(--accent);font-size:10px;letter-spacing:.17em}.fact-row{padding:15px 18px;border-bottom:1px solid #344c4d;display:grid;gap:6px}.fact-row:last-child{border-bottom:0}.fact-row dt{color:#83a09c;font-size:9px;text-transform:uppercase;letter-spacing:.17em}.fact-row dd{margin:0;font-size:13px;line-height:1.45;color:#edf0e5}.related-list{display:flex;flex-wrap:wrap;gap:8px}.related-list a{border:1px solid #526b62;padding:8px 11px;color:var(--accent);font-size:11px}.related-list a:hover{background:#2b463d}
.about-panel{display:grid;grid-template-columns:110px minmax(0,650px);gap:35px;margin:54px clamp(30px,5vw,80px);padding:40px;border:1px solid var(--line);background:#192b30}.about-symbol{font-size:65px;color:var(--accent)}.about-panel h2{font:500 27px var(--display);margin:0 0 15px}.about-panel p{color:#afbfba;line-height:1.8}.about-panel a{display:inline-block;margin-top:13px}footer{min-height:64px;border-top:1px solid var(--line);padding:0 42px;display:flex;align-items:center;justify-content:space-between;gap:20px;color:#6f8585;font-size:9px;letter-spacing:.17em}
@media(max-width:1100px){.topbar{gap:24px;padding:0 25px}.brand{min-width:200px}.topnav{gap:20px}.layout{grid-template-columns:220px minmax(0,1fr)}.hero{grid-template-columns:58% 42%}.hero-copy{padding-left:42px}.category-grid{grid-template-columns:repeat(2,1fr)}.entry-grid{grid-template-columns:repeat(2,1fr)}.article-layout{gap:25px}}
@media(max-width:760px){.topbar{height:auto;min-height:72px;flex-wrap:wrap;gap:0;padding:15px 20px 0}.brand{min-width:0;margin-right:auto}.topbar-status{display:none}.topnav{order:2;width:100%;height:43px;gap:25px;margin-top:10px}.topnav a{font-size:11px}.layout{display:block}.sidebar{min-height:0;border-right:0;border-bottom:1px solid var(--line);padding:15px 20px}.side-kicker,.side-label,.side-bottom{display:none}.search-wrap{margin:0 0 11px}.category-nav{display:flex;overflow-x:auto;gap:5px;padding-bottom:2px}.category-nav button{width:auto;flex:none;min-height:32px;padding:0 9px}.category-nav .nav-count{display:none}.hero{display:flex;flex-direction:column-reverse}.hero-art{min-height:230px}.planet{width:165px;height:165px}.orbit-one{width:225px;height:225px}.orbit-two{width:380px;height:170px}.orbit-three{width:430px;height:290px}.hero-copy{padding:35px 25px 42px}.hero h1{font-size:clamp(38px,8vw,58px);margin-top:20px}.section-head{padding:37px 22px 20px}.section-aside{display:none}.category-grid{margin:0 22px 45px}.feature-band{margin:0 22px 45px;grid-template-columns:1fr}.page-heading{padding:42px 23px 30px}.browse-toolbar{padding:23px;display:block}.results-count{display:block;margin-top:15px}.entry-grid{padding:0 23px 50px}.article-breadcrumb{padding:25px 23px 0}.article-head{padding:28px 23px;gap:18px}.article-head .item-symbol{width:68px;height:68px;font-size:24px}.article-layout{display:flex;flex-direction:column;padding:32px 23px 60px}.fact-panel{width:100%}.about-panel{margin:35px 23px;padding:25px;display:block}.about-symbol{font-size:40px}footer{padding:20px 23px;display:block;line-height:2}footer span{display:block}}
@media(max-width:470px){.brand-copy strong{font-size:10px}.brand-copy small{font-size:8px}.topnav{justify-content:space-between;gap:7px}.category-grid{grid-template-columns:1fr 1fr}.category-tile{min-height:150px;padding:15px}.category-tile h3{font-size:15px}.entry-grid{grid-template-columns:1fr}.feature-diagram{gap:3px;padding:8px}.feature-diagram span{width:50px;height:55px;font-size:9px}.feature-diagram span b{font-size:8px}.hero p{font-size:13px}}