/* Editorial discovery, scoped away from the three accepted stories and lessons. */
.og-page,.og-profile-facts{--og-accent:#315c76;--og-ink:#253c4a;--og-muted:#536a77;--og-paper:#fcfcf7;--og-line:#dbe4e7;--og-tile:#eaf1f1;color:var(--og-ink)}
html[data-theme="dark"] .og-page,html[data-theme="dark"] .og-profile-facts{--og-accent:#9dcce1;--og-ink:#e4edf2;--og-muted:#b3c5cf;--og-paper:#1e2b34;--og-line:#3b515d;--og-tile:#253b47}
.og-page *{box-sizing:border-box}.og-page [hidden]{display:none!important}.og-page p{line-height:1.65}.og-page h1,.og-page h2,.og-page h3{color:var(--og-ink);text-wrap:balance}.og-page h2{font-size:clamp(25px,3vw,37px);line-height:1.2;font-weight:550;margin:0 0 16px;letter-spacing:-.025em}.og-page h3{font-size:21px;line-height:1.3;margin:0 0 12px}.og-page a{color:var(--og-accent);text-underline-offset:4px}.og-page a:focus-visible,.og-page button:focus-visible,.og-page select:focus-visible,.og-page summary:focus-visible,.og-profile-facts summary:focus-visible{outline:3px solid var(--og-accent);outline-offset:4px}.og-page .breadcrumbs{padding:30px 0 24px;font-size:13px}.og-hero{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(240px,1fr);gap:40px;background:var(--og-paper);border:1px solid var(--og-line);border-radius:22px;padding:clamp(24px,4vw,52px);align-items:center}.og-page .og-kicker{text-transform:uppercase;letter-spacing:.09em;color:var(--og-accent);font-weight:650;font-size:11px;line-height:1.6;margin:0 0 16px}.og-page h1{font-size:clamp(36px,4.8vw,62px);line-height:1.06;letter-spacing:-.04em;font-weight:550;margin:0 0 22px}.og-lead{font-size:18px;max-width:54ch;margin:0;color:var(--og-muted)}.og-actions{display:flex;gap:12px 22px;align-items:center;flex-wrap:wrap;margin-top:28px}.og-actions>a{display:inline-flex;align-items:center;min-height:48px;padding:10px 0;font-size:14px;font-weight:600}.og-actions>a.og-primary{padding:14px 20px;background:var(--og-accent);border-radius:8px;color:#fff;text-decoration:none}.og-orientation{border-left:1px solid var(--og-line);padding-left:28px;min-width:0;font-size:15px}.og-coverage{display:grid;gap:14px;margin:0}.og-coverage>div{min-width:0}.og-coverage dt{font-size:13px;font-weight:550;color:var(--og-muted);margin-bottom:6px}.og-coverage dd{margin:0;display:flex;flex-direction:column;gap:7px}.og-coverage strong{font-size:24px;font-weight:550}.og-coverage span{font-size:13px;color:var(--og-muted);line-height:1.6}.og-intro{display:grid;grid-template-columns:1fr 1.5fr;gap:44px;margin:46px 0}.og-intro p{margin:0;color:var(--og-muted);font-size:16px}.og-examples,.og-archive{margin:54px 0}.og-section-head{display:grid;grid-template-columns:1.2fr 1fr;gap:40px;align-items:end;margin-bottom:24px}.og-section-head p:last-child{color:var(--og-muted);font-size:14px;margin:0}.og-example-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:18px}.og-example{border:1px solid var(--og-line);border-radius:14px;text-decoration:none;display:flex;flex-direction:column;background:var(--og-paper);overflow:hidden}.og-example>div{padding:24px;flex:1;display:flex;flex-direction:column}.og-example h3{margin:12px 0}.og-example p{font-size:14px;color:var(--og-muted);margin:0 0 18px}.og-example img{display:block;width:100%;height:auto;aspect-ratio:16/9;object-fit:contain;background:var(--og-tile)}.og-example:hover{border-color:var(--og-accent)}.og-go{margin-top:auto;font-size:14px;font-weight:650;min-height:44px;display:flex;align-items:end}.og-meta{font-size:12px!important;line-height:1.6!important;color:var(--og-muted);margin:0 0 8px}.og-archive>.og-coverage{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));padding:22px 0;border-block:1px solid var(--og-line);margin-bottom:22px}.og-filters{display:grid;grid-template-columns:repeat(4,minmax(0,1fr)) auto;gap:12px;align-items:end;padding:20px;background:var(--og-tile);border-radius:12px}.og-filters label{font-size:13px;display:grid;gap:8px;min-width:0}.og-filters select{width:100%;min-height:46px;border:1px solid var(--og-line);background:var(--og-paper);border-radius:7px;padding:9px 10px;font:inherit;color:var(--og-ink)}.og-page button{min-height:46px;cursor:pointer;border:1px solid var(--og-line);border-radius:7px;background:var(--og-paper);color:var(--og-ink);padding:10px 16px;font:inherit;font-size:14px}.og-status{min-height:24px;font-size:13px;color:var(--og-muted);margin:14px 0}.og-variants{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.og-variant{min-width:0;border:1px solid var(--og-line);border-radius:12px;background:var(--og-paper);padding:24px}.og-small{grid-template-columns:1fr}.og-small .og-variant{max-width:900px}.og-variant h3{font-size:19px}.og-variant header a{text-decoration:none;color:var(--og-ink)}.og-task-list{list-style:none!important;padding:0!important;margin:20px 0 12px!important}.og-task-list li{padding:0!important;margin:0!important}.og-task-list a{min-height:48px;display:grid;grid-template-columns:27px minmax(0,1fr) 15px;gap:10px;align-items:center;padding:10px 0;text-decoration:none;border-top:1px solid var(--og-line);font-size:14px;line-height:1.45}.og-task-list a:hover{text-decoration:underline}.og-number{color:var(--og-muted);font-size:12px}.og-variant-link{display:inline-flex;align-items:center;min-height:44px;font-size:13px;font-weight:600}.og-empty{padding:28px;background:var(--og-tile);border-radius:12px}.og-participation-head{border-top:1px solid var(--og-line);padding-top:38px;margin:48px 0 24px}.og-participation-head>p:not(.og-kicker){max-width:74ch;color:var(--og-muted);font-size:15px}.og-official-links,.og-topic-links{display:flex;gap:12px 24px;flex-wrap:wrap}.og-official-links a,.og-topic-links a{display:flex;align-items:center;min-height:44px;font-size:14px}.og-profile-facts{padding:14px 0;font-size:14px}.og-profile-facts p{line-height:1.6}.og-evidence{border-bottom:1px solid var(--og-line);margin:12px 0 20px}.og-evidence summary{min-height:44px;padding:12px 0;cursor:pointer;font-size:13px}.og-evidence li{margin:12px 0;line-height:1.6;font-size:13px}.og-evidence li p{margin:4px 0;color:var(--og-muted)}.og-topics{padding:28px;border:1px solid var(--og-line);border-radius:14px;background:var(--og-paper);margin:44px 0}.og-topics p{color:var(--og-muted);font-size:15px}.og-faq{margin:40px 0}.og-faq details{border-bottom:1px solid var(--og-line)}.og-faq summary{min-height:48px;padding:18px 0;font-size:16px;line-height:1.5;cursor:pointer}.og-faq p{font-size:14px;color:var(--og-muted);max-width:80ch}.og-credit{font-size:13px;color:var(--og-muted);padding-bottom:25px}.og-page [id]{scroll-margin-top:100px}
html[data-theme="dark"] .og-actions>a.og-primary{color:#142a36}
@media(max-width:900px){.og-filters{grid-template-columns:repeat(2,minmax(0,1fr))}.og-filters button{grid-column:1/-1}.og-hero{gap:24px}.og-orientation{padding-left:20px}.og-section-head{gap:24px}}
@media(max-width:640px){.og-hero,.og-intro,.og-section-head{grid-template-columns:1fr;gap:24px}.og-hero{padding:24px 20px;border-radius:15px}.og-orientation{border-left:0;border-top:1px solid var(--og-line);padding:22px 0 0}.og-lead{font-size:16px}.og-actions{gap:6px 18px}.og-actions>a.og-primary{width:100%;justify-content:center}.og-variants,.og-example-grid{grid-template-columns:1fr}.og-intro{margin:32px 0}.og-examples,.og-archive{margin:36px 0}.og-filters{padding:14px;gap:12px}.og-variant{padding:20px 16px}.og-topics{padding:22px 18px}.og-page h1{overflow-wrap:anywhere}.og-page .breadcrumbs{padding-top:20px}.og-example>div{padding:22px}.og-coverage span{overflow-wrap:anywhere}}
@media(prefers-reduced-motion:reduce){.og-page *{scroll-behavior:auto!important}}

.og-task-fold summary{cursor:pointer;min-height:44px;padding:10px 0;font-weight:600}.og-example img{background:#eaf1f1;object-fit:contain;padding:12px}.og-page .breadcrumbs{padding:16px 0}.og-page .og-hero{scroll-margin-top:120px}
.og-directory-coverage{display:grid;gap:5px;border-top:1px solid #dbe4e7;padding:16px 0;font-size:14px}.og-directory-coverage strong{font-size:17px}.og-directory-coverage a{padding:12px 0;min-height:44px;line-height:1.5}.info-card .og-directory-empty{font-size:14px;opacity:.85;border-top:1px solid #dbe4e7;padding-top:16px}.info-page[data-info-filter="olympiads"] .info-card-bottom>a{display:flex;align-items:center;min-height:44px;font-size:15px}.info-page[data-info-filter="olympiads"] .info-card{border-radius:16px}.info-page[data-info-filter="olympiads"] .info-card h2{font-size:25px}html[data-theme="dark"] .og-directory-coverage,html[data-theme="dark"] .info-card .og-directory-empty{border-color:#3b515d}

/* Individual identities and a direct first step, October 2026. */
.og-page .og-hero-practice{grid-template-columns:minmax(230px,.85fr) minmax(0,1.5fr);gap:28px 36px;padding:32px}
.og-hero-practice .og-kicker{margin-bottom:10px}.og-hero-practice h1{font-size:clamp(34px,4vw,52px);margin-bottom:16px}
.og-hero-practice .og-lead{font-size:16px;line-height:1.6}
.og-entry-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;min-width:0}.og-entry-grid:has(>.og-entry:only-child){grid-template-columns:1fr}
.og-page .og-entry{display:block;position:relative;min-width:0;padding:20px;background:var(--og-tile);border:1px solid var(--og-line);border-radius:12px;text-decoration:none;transition:border-color .2s,background .2s}
.og-entry:hover{border-color:var(--og-accent)}.og-page .og-entry .og-meta{display:block;color:var(--og-accent);font-size:12px!important;font-weight:650;margin:0 0 10px}
.og-page .og-entry h2{font-size:21px;line-height:1.25;margin:0 0 12px;letter-spacing:-.02em;text-wrap:pretty}.og-entry h2 span{font-size:17px;color:var(--og-accent)}
.og-page .og-entry p{font-size:14px;line-height:1.55;color:var(--og-muted);margin:0;clear:both}
.og-entry img{display:block;width:84px;height:56px;object-fit:contain;float:right;margin:-6px -8px 10px 8px;mix-blend-mode:multiply}
.og-hero-links{grid-column:1/-1;display:flex;gap:12px 30px;border-top:1px solid var(--og-line);padding-top:12px;flex-wrap:wrap}
.og-hero-links a{display:flex;align-items:center;min-height:44px;font-size:14px;font-weight:600;text-decoration:none}.og-hero-links a:hover{text-decoration:underline}
.oi-art{--oi-bg:#e8eff5;--oi-fg:#496d8f;background:var(--oi-bg);color:var(--oi-fg);border-radius:11px;overflow:hidden;isolation:isolate}.oi-teal{--oi-bg:#e6f0ed;--oi-fg:#38746f}.oi-ochre{--oi-bg:#f4eedf;--oi-fg:#95743b}.oi-violet{--oi-bg:#eeeaf6;--oi-fg:#78639b}.oi-green{--oi-bg:#eaf0e2;--oi-fg:#63824b}
.oi-art svg{display:block;width:100%;height:124px}.oi-compact{margin-bottom:22px}.oi-compact svg{height:100px}.oi-spark{opacity:.5}.oi-drawing{transform-origin:180px 80px}
.info-page[data-info-filter="olympiads"] .info-card>.oi-art{margin-bottom:22px}.info-page[data-info-filter="olympiads"] .info-card{overflow:hidden}
.oi-history{border-left:3px solid var(--og-accent,#567890);padding:8px 0 8px 24px;margin:32px 0;max-width:850px;color:var(--og-ink,var(--ink))}.oi-history>p{font-size:15px;line-height:1.65;margin:8px 0 14px}.oi-history .oi-history-label{font-size:19px;font-weight:600;margin:0;line-height:1.35;letter-spacing:-.015em}
.oi-history-sources{display:flex;align-items:center;flex-wrap:wrap;gap:5px 14px;font-size:12px;line-height:1.6}.oi-history-sources a{color:var(--og-accent,var(--accent));min-height:30px;display:inline-flex;align-items:center}.oi-history-date{display:block;color:var(--og-muted,var(--ink-2));font-size:11px}
.oi-history-card{border-left:0;border-top:1px solid var(--line,#dbe4e7);padding:15px 0 0;margin:16px 0;color:inherit}.oi-history-card .oi-history-label{font-size:14px}.oi-history-card>p{font-size:14px;line-height:1.55;margin:7px 0}.oi-history-card .oi-history-sources{gap:0 10px}
@media(hover:hover) and (prefers-reduced-motion:no-preference){.info-card:hover .oi-drawing{animation:oi-discover .65s ease-out both}.info-card:hover .oi-spark{animation:oi-light .65s ease-out both}@keyframes oi-discover{0%{transform:translateY(3px)}100%{transform:translateY(0)}}@keyframes oi-light{50%{opacity:1}100%{opacity:.5}}}
html[data-theme="dark"] .oi-art{--oi-bg:#233449;--oi-fg:#98bad8}html[data-theme="dark"] .oi-teal{--oi-bg:#203a38;--oi-fg:#8ac4b9}html[data-theme="dark"] .oi-ochre{--oi-bg:#3b3425;--oi-fg:#d6bc85}html[data-theme="dark"] .oi-violet{--oi-bg:#332c45;--oi-fg:#bca8df}html[data-theme="dark"] .oi-green{--oi-bg:#2d3927;--oi-fg:#adc58f}html[data-theme="dark"] .og-entry img{mix-blend-mode:normal;border-radius:6px;background:#eaf1f1}
@media(prefers-color-scheme:dark){html:not([data-theme="light"]) .og-page,html:not([data-theme="light"]) .og-profile-facts{--og-accent:#9dcce1;--og-ink:#e4edf2;--og-muted:#b3c5cf;--og-paper:#1e2b34;--og-line:#3b515d;--og-tile:#253b47}html:not([data-theme="light"]) .og-actions>a.og-primary{color:#142a36}html:not([data-theme="light"]) .oi-art{--oi-bg:#233449;--oi-fg:#98bad8}html:not([data-theme="light"]) .oi-teal{--oi-bg:#203a38;--oi-fg:#8ac4b9}html:not([data-theme="light"]) .oi-ochre{--oi-bg:#3b3425;--oi-fg:#d6bc85}html:not([data-theme="light"]) .oi-violet{--oi-bg:#332c45;--oi-fg:#bca8df}html:not([data-theme="light"]) .oi-green{--oi-bg:#2d3927;--oi-fg:#adc58f}html:not([data-theme="light"]) .og-entry img{mix-blend-mode:normal;border-radius:6px;background:#eaf1f1}html:not([data-theme="light"]) .og-directory-coverage,html:not([data-theme="light"]) .og-directory-empty{border-color:#3b515d}}
@media(max-width:1000px){.og-page .og-hero-practice{grid-template-columns:1fr}.og-hero-practice .og-hero-copy{max-width:650px}.og-entry-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:640px){.og-page .og-hero-practice{padding:22px 18px;gap:20px}.og-hero-practice h1{margin-bottom:10px}.og-hero-practice .og-lead{font-size:15px;line-height:1.5}.og-entry-grid{grid-template-columns:1fr;gap:10px}.og-page .og-entry{padding:16px}.og-page .og-entry h2{font-size:20px;margin-bottom:8px}.og-page .og-entry p{font-size:13px;line-height:1.5}.og-page .og-entry .og-meta{margin-bottom:8px}.og-entry img{width:64px;height:43px;margin:-3px -3px 8px 5px}.og-hero-links{gap:0 18px;padding-top:8px}.og-hero-links a{font-size:13px}.oi-history{padding-left:17px;margin:26px 0}.oi-history-card{padding-left:0;margin:14px 0}.oi-history .oi-history-label{font-size:18px}.oi-history-card .oi-history-label{font-size:14px}}

@media(max-width:640px){.og-hero-practice .og-kicker{display:none}.og-page .og-hero-practice{gap:16px}.og-hero-practice h1{font-size:34px}}
@media(max-width:360px){.og-entry img{display:none}}
.og-hero-information .og-lead{font-size:16px}.og-hero-information h1{font-size:clamp(32px,4vw,52px)}
@media(max-width:640px){.og-hero-information .og-kicker{margin-bottom:10px}.og-hero-information .og-lead{font-size:15px}.og-hero-information .og-actions{margin-top:18px}.og-hero-information .oi-compact svg{height:80px}.og-hero-information .og-orientation{padding-top:16px}.og-hero-information h1{margin-bottom:14px}}