@import url('https://fonts.googleapis.com/css2?family=DM+Mono:wght@400;500&family=Manrope:wght@400;500;600;700;800&display=swap');
:root{--ink:#102231;--muted:#70808d;--line:#dce5e9;--paper:#f6f9fa;--white:#fff;--navy:#081823;--teal:#1b9b8d;--purple:#6f62d8;--orange:#ef9860;--blue:#5f9fca;--green:#66ad87}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:var(--paper);font-family:Manrope,Arial,sans-serif;font-size:14px;line-height:1.65}.wrap{max-width:1180px;margin:0 auto;padding-left:30px;padding-right:30px}.site-header{height:76px;background:var(--navy);color:#dce8eb;display:flex;align-items:center;padding:0 max(30px,calc((100vw - 1240px)/2));gap:58px}.brand{display:inline-flex;align-items:center;gap:9px;color:#fff;text-decoration:none;font-size:16px;font-weight:800;letter-spacing:-.5px}.brand-mark{width:27px;height:27px;border:2px solid #49c8ad;border-radius:50%;display:grid;place-items:center;color:#49c8ad;font-family:Georgia,serif;font-size:15px}.brand-dot{color:#49c8ad}.main-nav{display:flex;height:100%;align-items:center;gap:30px;flex:1}.main-nav a,.header-actions a{color:#aebfc5;text-decoration:none;font-size:12px;font-weight:700}.main-nav a{height:100%;display:flex;align-items:center;border-bottom:2px solid transparent}.main-nav a.active,.main-nav a:hover{color:#fff;border-color:#4bc4ad}.header-actions{display:flex;align-items:center;gap:20px}.saved-count{color:#63d0b4;margin-left:4px}.avatar{display:grid!important;place-items:center;width:32px;height:32px;border-radius:50%;background:#244251;color:#d5e6e8!important;font-size:10px!important}.hero{padding-top:38px;padding-bottom:47px}.crumbs{display:flex;gap:12px;align-items:center;color:#90a0a8;font-size:11px;margin-bottom:39px}.crumbs a{color:var(--teal);text-decoration:none}.crumbs strong{color:var(--ink)}.hero-grid{display:grid;grid-template-columns:1fr 245px;gap:80px;align-items:center}.eyebrow,.kicker{font-family:'DM Mono',monospace;text-transform:uppercase;letter-spacing:1.6px;font-size:10px;font-weight:500;color:#77909a}.eyebrow{display:flex;align-items:center;gap:11px;color:var(--teal)}.eyebrow-line{width:28px;height:1px;background:var(--teal)}h1{font-size:58px;letter-spacing:-3px;line-height:1.04;margin:18px 0 20px;font-weight:800}h1 em{font-style:normal;color:#92a1a7;font-size:33px;letter-spacing:-1px;margin-left:11px}.intro{max-width:620px;color:#637580;font-size:16px;line-height:1.75;margin:0}.hero-buttons{display:flex;gap:12px;margin-top:29px}.primary-button,.outline-button{border-radius:5px;padding:12px 18px;font:700 12px Manrope;cursor:pointer;text-decoration:none}.primary-button{border:1px solid var(--teal);background:var(--teal);color:#fff}.primary-button:hover{background:#168678}.primary-button.saved{background:#176d67}.outline-button{border:1px solid #cad8dc;color:var(--ink);background:transparent}.outline-button span{color:var(--teal);margin-left:10px}.element-tile{height:245px;background:#e5dfff;border-radius:10px;padding:20px;box-shadow:15px 18px 0 #d4eee7;position:relative;color:#302769}.tile-top{display:flex;justify-content:space-between;font:500 13px 'DM Mono',monospace}.tile-symbol{font-size:89px;line-height:1;font-weight:800;letter-spacing:-8px;margin-top:28px}.tile-name{font-size:16px;font-weight:800}.tile-mass{font:12px 'DM Mono';position:absolute;bottom:20px;right:20px}.stats-band{background:var(--white);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.stats-grid{display:grid;grid-template-columns:repeat(4,1fr)}.stat{padding:22px 28px;border-right:1px solid var(--line)}.stat:first-child{padding-left:0}.stat:last-child{border:0}.stat-label,.stat-note{display:block;color:#87969e;font-size:11px}.stat strong{display:block;font-size:23px;letter-spacing:-.7px;margin:3px 0}.content{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:65px;padding-top:57px;padding-bottom:72px}.section-heading{display:flex;align-items:end;justify-content:space-between;margin-bottom:24px}.section-heading h2{font-size:25px;letter-spacing:-1px;margin:7px 0 0}.share-button{border:0;background:none;color:var(--teal);font:700 11px Manrope;cursor:pointer}.info-grid{display:grid;grid-template-columns:1fr 1fr;gap:13px}.info-card{min-height:181px;background:#fff;border:1px solid var(--line);border-radius:6px;padding:20px;display:flex;gap:15px}.card-icon{width:29px;height:29px;border-radius:7px;display:grid;place-items:center;flex:none;font-size:15px}.purple{background:#eeeaff;color:var(--purple)}.orange{background:#fff0e6;color:var(--orange)}.blue{background:#e8f4fb;color:var(--blue)}.green{background:#e8f5ed;color:var(--green)}h3{font-size:13px;margin:0 0 9px;font-weight:800}.info-card p{font-size:11px;color:#74838b;line-height:1.6;margin:0}.info-card .formula{font:500 14px 'DM Mono';color:var(--ink);margin-bottom:9px}.muted{font:10px Manrope;color:#84939a}.isotope-heading{margin-top:48px}.small-link,.side-card-head a{font-size:11px;color:var(--teal);font-weight:700;text-decoration:none}.table-wrap{background:#fff;border:1px solid var(--line);border-radius:6px;overflow:auto}table{border-collapse:collapse;width:100%;text-align:left;font-size:11px}th{font:10px 'DM Mono';text-transform:uppercase;letter-spacing:.7px;color:#87969e;background:#f7fafa}th,td{padding:14px 17px;border-bottom:1px solid var(--line);white-space:nowrap}tr:last-child td{border:0}.pill{border-radius:20px;font:11px 'DM Mono';padding:3px 7px;margin-right:5px}.alpha{background:#fff0e6;color:#d77a43}.beta{background:#e8f4fb;color:#4388ae}.sidebar{display:flex;flex-direction:column;gap:16px}.side-card{background:#fff;border:1px solid var(--line);border-radius:6px;padding:21px}.side-card-head{display:flex;justify-content:space-between;margin-bottom:17px}.related-item{display:flex;align-items:center;gap:11px;text-decoration:none;color:var(--ink);padding:12px 0;border-top:1px solid #edf1f2}.related-item>span:nth-child(2){flex:1}.related-item small{display:block;color:#8a999f;font-size:10px;margin-top:2px}.related-item>span:last-child{color:#9aabb0}.mini-element{width:34px;height:34px;border-radius:5px;display:grid;place-items:center;font:11px 'DM Mono';font-weight:500}.mini-element.f{background:#e3dcff;color:#6253bd}.mini-element.c{background:#dff1e8;color:#328362}.mini-element.b{background:#ffeadc;color:#cb7040}.fact-card{background:#102a36;color:#e5f1f1;border:0;position:relative;overflow:hidden}.fact-card:after{content:'Es';position:absolute;right:-12px;bottom:-31px;color:#1d3b46;font:bold 150px Georgia}.fact-card .kicker{color:#79c7b5}.fact-number{font:12px 'DM Mono';color:#61c9b0;margin:28px 0 6px}.fact-card h3{font-size:18px;position:relative;z-index:1}.fact-card p{color:#a9bec3;font-size:11px;line-height:1.7;max-width:220px;position:relative;z-index:1}.fact-card a{color:#68ceb5;font-size:11px;text-decoration:none;font-weight:700;position:relative;z-index:1}.fact-card a span{margin-left:9px}.citation{padding:5px 3px;color:#82939a;font-size:10px;display:flex;flex-direction:column;gap:3px}.citation strong{color:#536a73;font-size:10px}.citation a{color:var(--teal);text-decoration:none;font-weight:700;margin-top:4px}.footer{background:var(--navy);color:#91a8ae;padding:26px 0}.footer-inner{display:flex;align-items:center;gap:27px;font-size:11px}.footer-inner>div{margin-left:auto;display:flex;gap:22px}.footer-inner a:not(.brand){color:#9cb2b7;text-decoration:none}.toast{position:fixed;bottom:25px;left:50%;transform:translate(-50%,20px);opacity:0;background:#102a36;color:#fff;border-radius:5px;padding:11px 17px;font-size:12px;box-shadow:0 8px 30px #06141a55;transition:.25s;pointer-events:none}.toast.show{opacity:1;transform:translate(-50%,0)}
@media(max-width:800px){.site-header{padding:0 20px;gap:20px}.main-nav{gap:14px;overflow:auto}.main-nav a{white-space:nowrap}.header-actions .text-link{display:none}.wrap{padding-left:20px;padding-right:20px}.hero{padding-top:27px}.crumbs{margin-bottom:28px}.hero-grid{grid-template-columns:1fr;gap:35px}h1{font-size:44px}.element-tile{width:210px;height:210px}.tile-symbol{font-size:75px;margin-top:19px}.stats-grid{grid-template-columns:1fr 1fr}.stat,.stat:first-child{padding:18px 16px}.stat:nth-child(2){border-right:0}.content{grid-template-columns:1fr;gap:42px;padding-top:40px}.sidebar{display:grid;grid-template-columns:1fr 1fr}.citation{grid-column:1/-1}.info-grid{grid-template-columns:1fr}}
@media(max-width:500px){.site-header{height:64px}.brand{font-size:14px}.main-nav{display:none}.hero-buttons{flex-direction:column;align-items:stretch}.primary-button,.outline-button{text-align:center}.section-heading{align-items:start;gap:10px;flex-direction:column}.share-button{padding:0}.sidebar{display:flex}.footer-inner{align-items:flex-start;flex-wrap:wrap;gap:17px}.footer-inner>div{width:100%;margin-left:0}.stats-grid{font-size:12px}.stat strong{font-size:19px}.stat-note{font-size:10px}}