.obs-page{margin:0;background:#0b1018;color:#f0e9dd;font:16px/1.7 Onest,Arial,sans-serif;-webkit-font-smoothing:antialiased}
.obs-page *{box-sizing:border-box}.obs-page a{color:inherit;text-decoration:none}.obs-page button,.obs-page input,.obs-page select{font:inherit}.obs-page :is(a,button,input,select):focus-visible{outline:2px solid #7cc8d0;outline-offset:5px}
.obs-main{max-width:1450px;margin:auto;padding:0 clamp(22px,5vw,80px) 90px}.obs-label{color:#c48a52;font:11px/1.6 'IBM Plex Mono',monospace;letter-spacing:.1em}.obs-page h1,.obs-page h2,.obs-page h3{font-family:Prata,Georgia,serif;font-weight:400;letter-spacing:-.025em}
.obs-page h1{font-size:clamp(43px,5.7vw,85px);line-height:1.15;margin:22px 0 28px}.obs-page h2{font-size:clamp(29px,3.2vw,44px);line-height:1.3;margin:15px 0 20px}.obs-page h3{font-size:25px;line-height:1.4;margin:12px 0}.obs-page p{color:#b8bfc4;margin:0 0 22px}.obs-lead{font:clamp(20px,2.1vw,28px)/1.65 Prata,Georgia,serif!important;color:#e2dbcf!important;max-width:800px}
.obs-hero{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(280px,.75fr);align-items:center;gap:45px;padding:76px 0 62px;border-bottom:1px solid #cbb79a38}.obs-hero-copy>p:not(.obs-lead){max-width:730px}.obs-hero-figure{position:relative;align-self:stretch;min-height:380px;display:flex;flex-direction:column;justify-content:center;border-left:1px solid #cbb79a28;padding:30px 0 20px 40px}.obs-hero-figure img{width:100%;height:auto;max-width:380px;margin:auto;opacity:.85}.obs-figure-caption{font:10px/1.7 'IBM Plex Mono',monospace;color:#cbb79a;text-align:center;letter-spacing:.12em;margin-top:20px}.obs-actions{display:flex;gap:12px;flex-wrap:wrap;margin:28px 0 0}.obs-button{display:inline-flex;align-items:center;justify-content:space-between;gap:25px;border:1px solid #c48a52;padding:14px 20px;color:#f0b868!important;font-size:13px}.obs-button.is-solid{background:#efb868;color:#0b1018!important}.obs-button:hover{background:#c48a5220}.obs-button.is-solid:hover{background:#f7c985}
.obs-section{padding-top:65px}.obs-section-head{display:flex;align-items:end;justify-content:space-between;gap:30px;margin-bottom:28px}.obs-section-head p{max-width:470px;font-size:15px}.obs-section-head h2{margin-bottom:0}.obs-section-head>a{color:#f0b868;font-size:13px}.obs-paths{border-top:1px solid #cbb79a38;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 40px}.obs-path{display:grid;grid-template-columns:35px minmax(0,1fr) 20px;gap:20px;padding:30px 0;border-bottom:1px solid #cbb79a38;align-items:start}.obs-path h3{font-size:27px;margin:0 0 10px}.obs-path p{font-size:14px;line-height:1.8;margin:0}.obs-path:hover h3{color:#f0b868}.obs-num{font:11px/1.5 'IBM Plex Mono',monospace;color:#c48a52;padding-top:7px}.obs-arrow{color:#f0b868;font-size:22px}
.obs-featured{display:grid;grid-template-columns:.68fr 1.32fr;border-top:1px solid #cbb79a38;border-bottom:1px solid #cbb79a38;background:linear-gradient(115deg,#c48a520e,transparent 70%);padding:42px 0;gap:50px}.obs-featured h3{font-size:clamp(28px,3vw,42px);margin-top:0}.obs-featured p{max-width:760px}.obs-featured a{color:#f0b868;font-size:13px}
.obs-method{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:26px;border-top:1px solid #cbb79a38;padding-top:30px}.obs-method h3{font-size:23px}.obs-method p{font-size:14px;line-height:1.8}.obs-method small{font:10px/1.5 'IBM Plex Mono',monospace;color:#c48a52}
.obs-tools-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border-top:1px solid #cbb79a38}.obs-tool{padding:28px 30px 25px 0;border-bottom:1px solid #cbb79a38}.obs-tool h3{font-size:23px}.obs-tool p{font-size:14px;margin:0}.obs-tool:hover h3{color:#f0b868}
.obs-article-head{padding:65px 0 40px;border-bottom:1px solid #cbb79a38}.obs-breadcrumb{font-size:12px;color:#cbb79a!important;display:inline-block;margin-bottom:35px}.obs-article-head h1{max-width:1030px;font-size:clamp(39px,5.3vw,75px)}.obs-meta{display:flex;gap:24px;flex-wrap:wrap;font:10px/1.5 'IBM Plex Mono',monospace;color:#a7a399;margin-top:30px}.obs-article-layout{display:grid;grid-template-columns:190px minmax(0,800px);gap:60px;margin:55px 0}.obs-aside{font-size:12px;border-right:1px solid #cbb79a30;padding-right:24px;align-self:start;position:sticky;top:180px}.obs-aside a{display:block;color:#b8bfc4;padding:10px 0}.obs-aside a:hover{color:#f0b868}.obs-prose p{font-size:18px;line-height:1.95;color:#d3d3d0;margin-bottom:28px}.obs-prose h2{font-size:31px;margin-top:50px}.obs-prose h2:first-child{margin-top:0}.obs-prose h3{font-size:24px;margin-top:28px}.obs-prose li{font-size:16px;color:#b8bfc4;margin:12px 0}.obs-prose ul{padding-left:22px}.obs-note{border-left:2px solid #c48a52;padding:6px 0 6px 22px;margin:35px 0;font-size:15px;color:#cbb79a}.obs-reading{border-top:1px solid #cbb79a38;padding-top:25px;margin-top:50px}.obs-reading a{display:flex;justify-content:space-between;gap:20px;padding:17px 0;border-bottom:1px solid #cbb79a30;font:20px/1.6 Prata,Georgia,serif}.obs-reading a:hover{color:#f0b868}
.obs-lab{border:1px solid #cbb79a38;margin-top:35px;background:#111923;padding:30px}.obs-lab-controls{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin-bottom:25px}.obs-field{display:block;font-size:12px;color:#cbb79a}.obs-field select,.obs-field input{display:block;width:100%;margin-top:8px;padding:12px;border:1px solid #cbb79a60;background:#0b1018;color:#f0e9dd;border-radius:0;min-height:46px}.obs-lab-result{border-top:1px solid #cbb79a38;padding-top:25px}.obs-lab-result h3{font-size:29px}.obs-outcomes{display:grid;grid-template-columns:1fr 1fr;gap:15px 30px}.obs-outcomes dt{font:11px/1.6 'IBM Plex Mono',monospace;color:#c48a52}.obs-outcomes dd{margin:8px 0 16px;color:#c7cdd0;font-size:15px;line-height:1.8}.obs-lab .obs-note{margin-bottom:0;font-size:13px}.obs-filter{display:flex;gap:20px;align-items:end;margin:30px 0}.obs-filter .obs-field{flex:1}.obs-count{font:11px/1.6 'IBM Plex Mono',monospace;color:#cbb79a;min-width:140px}.obs-empty{padding:30px 0;border-top:1px solid #cbb79a38}.obs-publication{display:grid;grid-template-columns:120px minmax(0,1fr) 30px;gap:25px;padding:30px 0;border-top:1px solid #cbb79a38}.obs-publication h3{margin:0 0 12px}.obs-publication p{font-size:14px;margin:0;max-width:800px}.obs-publication[hidden],.obs-empty[hidden]{display:none}
.book25-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:50px}.book25-card{border-top:1px solid #cbb79a38;padding-top:32px;display:grid;grid-template-columns:140px minmax(0,1fr);gap:28px}.book25-card img{width:100%;height:220px;object-fit:contain;object-position:top}.book25-card h2{font-size:29px;margin-top:6px}.book25-card p{font-size:14px}.book25-hero{display:grid;grid-template-columns:minmax(200px,.65fr) minmax(0,1.35fr);gap:70px;align-items:center;padding:65px 0}.book25-cover{width:100%;height:auto;max-width:345px;display:block;margin:auto;box-shadow:15px 20px 50px #0007}.book25-hero h1{font-size:clamp(42px,5.5vw,72px);margin-top:18px}.book25-subtitle{font:clamp(23px,2.7vw,36px)/1.45 Prata,Georgia,serif;color:#cbb79a!important}.book25-facts{display:flex;gap:13px;flex-wrap:wrap;font:11px/1.7 'IBM Plex Mono',monospace;color:#cbb79a;margin:25px 0}.book25-facts span{border:1px solid #cbb79a40;padding:8px 11px}.book25-themes{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:30px;border-top:1px solid #cbb79a38;padding-top:30px}.book25-themes h3{font-size:24px}.book25-themes p{font-size:15px}.book25-languages{display:flex;gap:20px;flex-wrap:wrap;margin:25px 0;color:#f0b868;font-size:13px}
@media(max-width:1000px){.obs-hero{grid-template-columns:1.35fr .65fr;gap:24px}.obs-hero-figure{padding-left:20px;min-height:280px}.obs-article-layout{grid-template-columns:150px minmax(0,1fr);gap:35px}.obs-method{grid-template-columns:1fr 1fr}.book25-grid{grid-template-columns:1fr}.book25-hero{gap:35px}.book25-hero h1{font-size:52px}}
@media(max-width:700px){.obs-main{padding-bottom:55px}.obs-hero{grid-template-columns:1fr;padding:45px 0 35px;gap:20px}.obs-hero-figure{display:none}.obs-page h1{font-size:45px}.obs-lead{font-size:21px!important}.obs-section{padding-top:45px}.obs-section-head{display:block}.obs-section-head p{margin-top:20px}.obs-paths{grid-template-columns:1fr}.obs-path{padding:25px 0;gap:14px;grid-template-columns:25px minmax(0,1fr) 18px}.obs-path h3{font-size:24px}.obs-featured{grid-template-columns:1fr;gap:15px;padding:30px 0}.obs-method{gap:20px}.obs-method h3{font-size:21px}.obs-tools-grid{grid-template-columns:1fr 1fr}.obs-tool{padding-right:18px}.obs-article-head{padding-top:40px}.obs-article-head h1{font-size:38px;overflow-wrap:break-word}.obs-article-layout{display:block;margin-top:30px}.obs-aside{position:static;border:0;border-bottom:1px solid #cbb79a30;padding:0 0 20px;margin-bottom:30px;display:flex;gap:0 20px;flex-wrap:wrap}.obs-aside .obs-label{flex:0 0 100%}.obs-prose p{font-size:17px;line-height:1.9}.obs-lab{padding:20px}.obs-lab-controls,.obs-outcomes{grid-template-columns:1fr}.obs-filter{flex-direction:column;align-items:stretch;gap:10px}.obs-publication{grid-template-columns:1fr 20px;gap:12px}.obs-publication>.obs-label{grid-column:1/-1}.obs-publication h3{font-size:24px}.book25-hero{grid-template-columns:1fr;gap:35px;padding:40px 0}.book25-cover{max-width:230px}.book25-hero h1{font-size:43px}.book25-themes{grid-template-columns:1fr}.book25-card{grid-template-columns:100px minmax(0,1fr);gap:20px}.book25-card img{height:160px}.book25-card h2{font-size:25px}}