.ww-hub{--wwh-ink:#173c46;--wwh-blue:#075f82;--wwh-paper:#f7f4ed;--wwh-line:#d5dfdd;--wwh-muted:#50666c;--wwh-warm:#9b472d;--wwh-light:#e8f1ef;color:var(--wwh-ink);font:17px/1.65 "Segoe UI",Arial,sans-serif;max-width:1180px;margin:0 auto;isolation:isolate}
.ww-hub,.ww-hub *{box-sizing:border-box}.ww-hub [hidden]{display:none!important}.ww-hub a{color:var(--wwh-blue);text-underline-offset:4px}.ww-hub button,.ww-hub input,.ww-hub select{font:inherit}.ww-hub button{cursor:pointer}.ww-hub a:focus-visible,.ww-hub button:focus-visible,.ww-hub input:focus-visible,.ww-hub select:focus-visible,.ww-hub summary:focus-visible{outline:3px solid #a55222;outline-offset:4px}.ww-hub h2,.ww-hub h3{color:var(--wwh-ink);line-height:1.22;overflow-wrap:break-word}.ww-hub p{margin:0}.ww-hub h2 a,.ww-hub h3 a{color:var(--wwh-ink)}.ww-hub ul,.ww-hub ol{margin:0}.ww-hub .wwh-kicker{font-size:12px;font-weight:750;letter-spacing:.11em;text-transform:uppercase;color:var(--wwh-blue);margin:0 0 14px}.ww-hub .wwh-hero{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);gap:60px;align-items:center;padding:30px 0 42px}.ww-hub .wwh-display{font:700 clamp(36px,4vw,56px)/1.05 Georgia,"Times New Roman",serif;letter-spacing:-.04em;margin:0 0 24px;max-width:13ch;color:var(--wwh-ink)}.ww-hub .wwh-lead{color:var(--wwh-muted);font-size:18px;line-height:1.7;max-width:54ch}.ww-hub .wwh-hero-links{display:flex;align-items:center;gap:24px;flex-wrap:wrap;margin-top:26px}.ww-hub .wwh-button{display:inline-flex;align-items:center;justify-content:center;gap:22px;padding:12px 20px;min-height:46px;background:var(--wwh-blue);border:1px solid var(--wwh-blue);border-radius:5px;color:#fff;text-decoration:none;font-size:15px;font-weight:650}.ww-hub .wwh-button:hover{background:#064964;border-color:#064964}.ww-hub .wwh-text-link{display:inline-flex;align-items:center;gap:12px;font-size:14px;font-weight:650;min-height:44px}.ww-hub .wwh-specimen{position:relative;margin:8px 0 0;padding:28px 30px 24px;background:#fffdf8;border:1px solid #e0ddd1;border-left:4px solid #b86b47;box-shadow:8px 10px 0 #e6e8de;border-radius:2px}.ww-hub .wwh-specimen-label{font-size:11px;font-weight:750;letter-spacing:.12em;text-transform:uppercase;color:#705b4a;margin-bottom:20px}.ww-hub .wwh-before{font-family:Georgia,"Times New Roman",serif;color:#6d7676;font-size:21px;margin-bottom:15px;padding-bottom:14px;border-bottom:1px solid #e5e4dc}.ww-hub .wwh-after{font-family:Georgia,"Times New Roman",serif;font-size:27px;line-height:1.45;color:var(--wwh-ink);margin-bottom:16px}.ww-hub mark{color:var(--wwh-ink);background:#f1df9c;padding:0 .12em;box-decoration-break:clone;-webkit-box-decoration-break:clone}.ww-hub .wwh-specimen-note{font-size:14px;line-height:1.6;color:var(--wwh-muted);margin:0 0 12px}.ww-hub .wwh-starts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0;border:1px solid var(--wwh-line);border-radius:8px;background:#fff;overflow:hidden;margin:8px 0 64px}.ww-hub .wwh-starts>a{display:block;text-decoration:none;padding:23px 24px;color:var(--wwh-muted);font-size:14px;line-height:1.55}.ww-hub .wwh-starts>a+a{border-left:1px solid var(--wwh-line)}.ww-hub .wwh-starts>a:hover{background:#f0f7f5}.ww-hub .wwh-start-label{display:flex;align-items:baseline;justify-content:space-between;gap:10px;font-size:17px;font-weight:700;color:var(--wwh-blue);margin-bottom:8px}.ww-hub .wwh-start-label>span{font-size:24px}.ww-hub .wwh-catalog-heading{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:24px}.ww-hub .wwh-catalog-heading h2{font-size:30px;letter-spacing:-.025em;margin:0}.ww-hub .wwh-catalog-heading .wwh-kicker{margin-bottom:8px}.ww-hub .wwh-result{font-size:13px;color:var(--wwh-muted);padding-bottom:4px;white-space:nowrap}.ww-hub .wwh-filters{display:grid;grid-template-columns:minmax(250px,1.8fr) minmax(180px,1fr) minmax(170px,.9fr) auto;gap:14px;align-items:end;background:#e9efeb;padding:20px;border:1px solid #dce4dd;border-radius:7px;margin:0 0 14px}.ww-hub .wwh-filters label{display:block;font-size:12px;font-weight:700;color:var(--wwh-ink);margin-bottom:7px}.ww-hub .wwh-search>div{display:flex;gap:10px;align-items:center;border:1px solid #acbdbb;background:#fff;border-radius:4px;padding:0 11px}.ww-hub .wwh-search svg{width:20px;height:20px;stroke:#56727a;stroke-width:1.6;fill:none;flex:0 0 20px}.ww-hub input[type=search]{color:var(--wwh-ink);background:transparent;border:0;min-height:46px;min-width:0;max-width:100%;width:100%;font-size:14px;padding:10px 0}.ww-hub select{width:100%;min-width:0;min-height:48px;background:#fff;color:var(--wwh-ink);border:1px solid #acbdbb;border-radius:4px;font-size:14px;padding:8px}.ww-hub .wwh-reset{background:transparent;border:0;padding:10px 2px;color:var(--wwh-blue);font-size:13px;text-decoration:underline;text-underline-offset:4px;min-height:46px}.ww-hub .wwh-jumpnav{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:36px}.ww-hub .wwh-jumpnav a{display:inline-flex;align-items:center;justify-content:center;text-decoration:none;color:var(--wwh-muted);min-height:44px;font-size:13px;padding:7px 13px;border:1px solid transparent;border-radius:4px}.ww-hub .wwh-jumpnav a:hover{color:var(--wwh-blue);border-color:#bccfcd;background:#fff}.ww-hub .wwh-topic-group{display:grid;grid-template-columns:minmax(210px,.75fr) minmax(0,2fr);gap:42px;border-top:1px solid var(--wwh-line);padding:34px 0 40px;scroll-margin-top:20px}.ww-hub .wwh-group-heading{display:flex;gap:15px;align-items:baseline}.ww-hub .wwh-group-number{font-size:12px;font-weight:700;color:#7a918d;font-variant-numeric:tabular-nums;flex:0 0 18px}.ww-hub .wwh-group-heading h2{font-size:24px;letter-spacing:-.025em;margin:0 0 13px;max-width:15ch}.ww-hub .wwh-group-heading p{font-size:14px;color:var(--wwh-muted);line-height:1.6;margin-bottom:14px;max-width:28ch}.ww-hub .wwh-group-heading small{font-size:11px;color:#617775;line-height:1.6;display:block;max-width:30ch}.ww-hub .wwh-topics{list-style:none;padding:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));column-gap:32px;row-gap:0}.ww-hub .wwh-topic{display:flex;flex-direction:column;min-width:0;padding:0 0 24px;margin:0 0 24px;border-bottom:1px solid #e1e7e2}.ww-hub .wwh-topic h3{font-size:19px;letter-spacing:-.018em;line-height:1.3;margin:9px 0 10px}.ww-hub .wwh-topic h3 a{text-decoration:none}.ww-hub .wwh-topic h3 a:hover{text-decoration:underline;text-decoration-thickness:1px}.ww-hub .wwh-topic p{font-size:14px;color:var(--wwh-muted);line-height:1.65;margin:0 0 16px}.ww-hub .wwh-badge{font-size:10px;letter-spacing:.025em;font-weight:700;color:#176453;background:#e1f0e7;border-radius:3px;display:inline-block;padding:3px 7px;line-height:1.5}.ww-hub .wwh-meta{font-size:10px;letter-spacing:.06em;text-transform:uppercase;color:#607b7b;line-height:2.1;display:block}.ww-hub .wwh-topic-actions{margin-top:auto;display:flex;align-items:center;gap:15px;justify-content:space-between;flex-wrap:wrap}.ww-hub .wwh-topic-actions .wwh-text-link{font-weight:500;font-size:12px}.ww-hub .wwh-practice{font-size:13px;font-weight:650;display:inline-flex;align-items:center;gap:10px;min-height:44px;color:var(--wwh-blue);text-decoration:none;border-bottom:1px solid #a5c7c4}.ww-hub .wwh-practice:hover{text-decoration:underline}.ww-hub .wwh-empty{border:1px solid #d5dfdd;background:#fff;padding:28px;border-radius:7px;margin:24px 0 45px}.ww-hub .wwh-empty h3{margin:0 0 12px;font-size:23px}.ww-hub .wwh-empty p{margin-bottom:18px;font-size:15px;color:var(--wwh-muted)}.ww-hub .wwh-method{display:grid;grid-template-columns:1fr 2fr;gap:40px;background:#173c46;color:#fff;padding:32px;margin:0 0 44px;border-radius:7px}.ww-hub .wwh-method h2{color:#fff;font-family:Georgia,"Times New Roman",serif;font-size:30px;font-weight:400;margin:0;max-width:14ch}.ww-hub .wwh-method .wwh-kicker{color:#abd2ca;font-size:10px;max-width:25ch}.ww-hub .wwh-method ol{list-style:none;padding:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}.ww-hub .wwh-method li{border-left:1px solid #4d6d71;padding-left:18px}.ww-hub .wwh-method li strong{display:block;font-size:14px;margin-bottom:10px;color:#fff}.ww-hub .wwh-method li span{font-size:13px;line-height:1.65;color:#d4e2df;display:block}.ww-hub .wwh-legacy{margin:0 0 44px;border-top:1px solid var(--wwh-line);border-bottom:1px solid var(--wwh-line)}.ww-hub .wwh-legacy>summary{padding:22px 10px 22px 0;font-size:19px;font-weight:650;color:var(--wwh-blue);cursor:pointer;min-height:44px}.ww-hub .wwh-legacy>summary span{display:block;font-size:13px;font-weight:400;color:var(--wwh-muted);margin:6px 0 0 20px}.ww-hub .wwh-legacy-body{padding:8px 0 28px;max-width:85ch}.ww-hub .wwh-legacy-body h2{font-size:25px;margin:30px 0 16px}.ww-hub .wwh-legacy-body h3{font-size:20px;margin:25px 0 12px}.ww-hub .wwh-legacy-body p{margin:14px 0}.ww-hub .wwh-legacy-body ul,.ww-hub .wwh-legacy-body ol{padding-left:22px}.ww-hub .wwh-legacy-body li{margin:10px 0;font-size:15px}.ww-hub .wwh-resources{display:grid;grid-template-columns:1fr 1fr;gap:45px;margin:0 0 40px}.ww-hub .wwh-resources h2{font-size:20px;margin:0 0 10px}.ww-hub .wwh-resources p{font-size:14px;color:var(--wwh-muted);max-width:46ch}.ww-hub .wwh-steps{list-style:none;padding:0;margin:0 0 15px;display:grid;gap:17px}.ww-hub .wwh-steps li{display:flex;gap:14px;align-items:start}.ww-hub .wwh-steps li>span{border:1px solid #cbd7cb;border-radius:50%;width:26px;height:26px;display:inline-grid;place-items:center;font-size:12px;color:#376854;flex:0 0 26px}.ww-hub .wwh-steps strong{font-size:15px;display:block;color:var(--wwh-ink);line-height:1.3;margin:3px 0 6px}.ww-hub .wwh-steps p{font-size:13px;line-height:1.5;color:var(--wwh-muted)}
/* Local-only shell. Production keeps its existing shared header and native title. */
.wwh-preview{margin:0;background:#f7f4ed;color:#173c46;font-family:"Segoe UI",Arial,sans-serif}.wwh-preview *{box-sizing:border-box}.wwh-preview-note{font-size:11px;text-align:center;letter-spacing:.04em;padding:6px 12px;background:#e8ece5;color:#61726a}.wwh-shell-header{max-width:1240px;margin:auto;display:flex;align-items:center;justify-content:space-between;padding:23px 30px;border-bottom:1px solid #d9e0d6;gap:20px}.wwh-brand{font-size:29px;font-weight:750;letter-spacing:-1.4px;text-decoration:none;color:#0479a5}.wwh-brand span{color:#173c46}.wwh-shell-header nav{display:flex;gap:28px;font-size:14px}.wwh-shell-header nav a{color:#45626b;text-decoration:none;min-height:44px;display:flex;align-items:center}.wwh-shell-header nav a[aria-current]{color:#075f82;text-decoration:underline;text-underline-offset:8px;text-decoration-thickness:2px}.wwh-shell-main{max-width:1240px;padding:0 30px;margin:auto}.wwh-page-title{font-size:13px;font-weight:650;color:#5a7378;letter-spacing:.06em;text-transform:uppercase;line-height:1.5;margin:29px 0 0}.wwh-shell-footer{max-width:1180px;margin:auto;padding:22px 0 28px;border-top:1px solid #d5dfdd;font-size:12px;color:#61726a}.wwh-skip{position:absolute;left:12px;top:-100px;background:#fff;padding:14px;color:#075f82;z-index:20}.wwh-skip:focus{top:12px}.wwh-preview .wwh-shell-header a:focus-visible{outline:3px solid #a55222;outline-offset:4px}
@media(max-width:1050px){.ww-hub .wwh-hero{gap:35px}.ww-hub .wwh-topic-group{grid-template-columns:minmax(180px,.7fr) minmax(0,2fr);gap:24px}.ww-hub .wwh-filters{grid-template-columns:minmax(220px,1.7fr) minmax(150px,1fr) minmax(150px,1fr)}.ww-hub .wwh-reset{grid-column:1/-1;justify-self:end;min-height:34px;padding:2px}.ww-hub .wwh-topics{column-gap:22px}.ww-hub .wwh-topic h3{font-size:18px}.ww-hub .wwh-group-heading{gap:10px}.ww-hub .wwh-group-heading h2{font-size:21px}.ww-hub .wwh-method{grid-template-columns:1fr;padding:27px;gap:24px}.ww-hub .wwh-method h2{max-width:none}.ww-hub .wwh-method .wwh-kicker{max-width:none}}
@media(max-width:760px){.ww-hub{font-size:16px}.ww-hub .wwh-hero{grid-template-columns:1fr;gap:24px;padding-top:24px}.ww-hub .wwh-display{max-width:18ch;font-size:43px;margin-bottom:19px}.ww-hub .wwh-lead{font-size:17px}.ww-hub .wwh-specimen{max-width:100%;margin-right:8px;padding:22px 24px}.ww-hub .wwh-starts{margin-bottom:42px;grid-template-columns:1fr}.ww-hub .wwh-starts>a{padding:17px 20px}.ww-hub .wwh-starts>a+a{border-left:0;border-top:1px solid var(--wwh-line)}.ww-hub .wwh-start-label{margin-bottom:3px;font-size:16px}.ww-hub .wwh-starts>a>span:last-child{font-size:13px}.ww-hub .wwh-catalog-heading{display:block;margin-bottom:20px}.ww-hub .wwh-catalog-heading h2{font-size:27px}.ww-hub .wwh-result{margin-top:12px}.ww-hub .wwh-filters{grid-template-columns:1fr 1fr;padding:16px;gap:12px}.ww-hub .wwh-search{grid-column:1/-1}.ww-hub .wwh-reset{min-height:44px}.ww-hub .wwh-topic-group{display:block;padding:27px 0 20px}.ww-hub .wwh-group-heading{margin-bottom:23px}.ww-hub .wwh-group-heading h2{max-width:none;font-size:25px;margin-bottom:9px}.ww-hub .wwh-group-heading p{max-width:none;margin-bottom:6px;font-size:14px}.ww-hub .wwh-group-heading small{max-width:none;font-size:11px}.ww-hub .wwh-topics{column-gap:22px;padding-left:28px}.ww-hub .wwh-topic h3{font-size:19px}.ww-hub .wwh-topic-actions{gap:10px}.ww-hub .wwh-jumpnav{gap:2px;margin-bottom:23px}.ww-hub .wwh-jumpnav a{padding:5px 10px}.ww-hub .wwh-method{margin-top:8px}.ww-hub .wwh-resources{gap:25px}.wwh-shell-header{padding:16px 22px}.wwh-shell-header nav{gap:18px;font-size:13px}.wwh-brand{font-size:26px}.wwh-shell-main{padding:0 22px}.wwh-shell-footer{margin:0 22px}.wwh-page-title{margin-top:23px;font-size:11px}}
@media(max-width:480px){.ww-hub .wwh-display{font-size:37px}.ww-hub .wwh-hero-links{gap:12px;margin-top:22px;align-items:start;flex-direction:column}.ww-hub .wwh-hero-links .wwh-text-link{font-size:13px;min-height:38px}.ww-hub .wwh-hero{gap:19px;padding-bottom:28px}.ww-hub .wwh-specimen{padding:20px}.ww-hub .wwh-before{font-size:19px}.ww-hub .wwh-after{font-size:24px}.ww-hub .wwh-specimen-note{font-size:13px}.ww-hub .wwh-specimen-label{font-size:10px;margin-bottom:16px}.ww-hub .wwh-starts{margin-top:8px;margin-bottom:36px}.ww-hub .wwh-topics{grid-template-columns:1fr;padding-left:0}.ww-hub .wwh-topic{padding:19px 0 20px;margin:0}.ww-hub .wwh-topic:first-child{padding-top:0}.ww-hub .wwh-topic:last-child{border-bottom:0}.ww-hub .wwh-topic-group{padding-bottom:14px}.ww-hub .wwh-group-heading{margin-bottom:22px}.ww-hub .wwh-topic h3{font-size:20px}.ww-hub .wwh-topic p{margin-bottom:10px}.ww-hub .wwh-filters{grid-template-columns:1fr}.ww-hub .wwh-search{grid-column:auto}.ww-hub .wwh-filters select{font-size:14px}.ww-hub .wwh-reset{justify-self:start}.ww-hub .wwh-method{padding:24px}.ww-hub .wwh-method ol{grid-template-columns:1fr;gap:20px}.ww-hub .wwh-method h2{font-size:29px;max-width:14ch}.ww-hub .wwh-method li{padding-left:16px}.ww-hub .wwh-method li strong{margin-bottom:5px}.ww-hub .wwh-resources{grid-template-columns:1fr;gap:23px}.ww-hub .wwh-legacy>summary{font-size:18px}.ww-hub .wwh-legacy-body{font-size:15px}.ww-hub .wwh-legacy-body h2{font-size:22px}.ww-hub .wwh-empty{padding:22px}.ww-hub .wwh-empty h3{font-size:21px}.wwh-shell-header{align-items:start;flex-direction:column;gap:7px;padding:13px 18px}.wwh-shell-header nav{gap:24px}.wwh-shell-main{padding:0 18px}.wwh-page-title{margin-top:19px}.wwh-shell-footer{margin:0 18px;line-height:1.6}}
.ww-hub .wwh-group-heading small,.ww-hub .wwh-meta{color:#50666c}
/* On small screens choosing a topic takes priority over the optional specimen. */
@media(max-width:760px){.ww-hub .wwh-hero{display:block;padding-bottom:24px}.ww-hub .wwh-specimen{display:none}.ww-hub .wwh-starts{margin-top:6px}}
@media(max-width:480px){.ww-hub .wwh-starts>a{padding:13px 17px}.ww-hub .wwh-starts>a>span:last-child{display:none}.ww-hub .wwh-start-label{margin:0;min-height:29px;align-items:center}.ww-hub .wwh-hero-links{gap:5px}.wwh-shell-header{flex-direction:row;align-items:center;gap:15px}.wwh-shell-header nav{gap:14px}.wwh-shell-header nav a:last-child{display:none}.wwh-brand{font-size:24px}}
@media(prefers-reduced-motion:reduce){.ww-hub *{scroll-behavior:auto!important}}
@media print{.wwh-preview-note,.wwh-shell-header,.wwh-shell-footer,.wwh-skip{display:none!important}.wwh-preview{background:#fff}.wwh-shell-main{padding:0;max-width:none}.ww-hub{max-width:none;color:#000;font-size:11pt}.ww-hub .wwh-hero{display:block;padding:10px 0 20px}.ww-hub .wwh-display{font-size:30px}.ww-hub .wwh-hero-links,.ww-hub .wwh-starts,.ww-hub .wwh-filters,.ww-hub .wwh-jumpnav,.ww-hub .wwh-specimen,.ww-hub .wwh-resources{display:none!important}.ww-hub .wwh-topic-group{display:block;break-inside:auto;padding:20px 0}.ww-hub .wwh-topics{display:block;padding:0}.ww-hub .wwh-topic{break-inside:avoid;padding:10px 0;margin:0}.ww-hub .wwh-topic-actions{display:none}.ww-hub .wwh-method{display:block;background:white;color:#000;padding:15px;border:1px solid #888}.ww-hub .wwh-method h2,.ww-hub .wwh-method .wwh-kicker,.ww-hub .wwh-method li span,.ww-hub .wwh-method li strong{color:#000}.ww-hub .wwh-method ol{display:block}.ww-hub .wwh-method li{margin:10px 0}.ww-hub h2,.ww-hub h3{break-after:avoid}.ww-hub a{color:#000}.ww-hub .wwh-legacy{display:none}}

/* Native integration: retain the published exercise-heading readability fix for the new scoped topic rows. */
.ww-hub .wwh-topic h3,.ww-hub .wwh-topic h3 a{color:var(--wwh-ink)!important;background:transparent!important}