/* Be Software Architecture Wise: shared content styles (app + static pages + PDFs). Family navy/coral, no green. */
:root{
 --sa-ink:#14213D;--sa-ink-2:#1B2A4A;--sa-coral:#E4572E;--sa-coral-strong:#B93F19;--sa-coral-pale:#FDECE6;
 --sa-paper:#F5F6F9;--sa-mist:#EEF1F6;--sa-rule:#DDE2EA;--sa-rule-strong:#C3CAD6;
 --sa-text:#1B2433;--sa-text-soft:#4A5568;--sa-steel:#56637A;
 --sa-serif:"Newsreader",Georgia,"Times New Roman",serif;--sa-sans:"Public Sans",-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;--sa-mono:"JetBrains Mono",ui-monospace,Menlo,Consolas,monospace;
}
.bw-defs{position:absolute;width:0;height:0;overflow:hidden}
.sa-muted{color:var(--sa-steel);font-size:14px}
.sa-loading{color:var(--sa-steel)}
.sa-crumbs{font-size:13px;color:var(--sa-steel);margin:0 0 8px;line-height:1.6}
.sa-crumbs a{color:var(--sa-steel);text-decoration:none;border-bottom:1px solid var(--sa-rule-strong)}
.sa-crumbs a:hover{color:var(--sa-ink);border-bottom-color:var(--sa-ink)}
.sa-kicker{font-size:12px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--sa-coral-strong);margin:14px 0 6px}
.sa-title{font-family:var(--sa-serif);font-weight:500;font-size:clamp(1.7rem,3.6vw,2.4rem);line-height:1.15;color:var(--sa-ink);margin:0 0 12px}
.sa-sec-title{font-size:clamp(1.55rem,3.2vw,2.05rem)}
.sa-intro{font-size:17px;line-height:1.62;color:var(--sa-text);margin:0 0 14px}
.sa-label{font-size:11.5px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--sa-coral-strong);margin:0 0 4px}
.sa-small-h{font-family:var(--sa-serif);font-weight:600;font-size:1.3rem;color:var(--sa-ink);margin:26px 0 10px}
.sa-tools{display:flex;flex-wrap:wrap;gap:8px;margin:2px 0 20px}
.sa-tool{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600;color:var(--sa-ink);background:#fff;border:1px solid var(--sa-rule-strong);border-radius:999px;padding:6px 13px;text-decoration:none}
.sa-tool:hover{border-color:var(--sa-ink)}
.sa-glance{background:#fff;border:1px solid var(--sa-rule);border-left:4px solid var(--sa-ink);border-radius:8px;padding:18px 20px 12px;margin:0 0 26px}
.sa-glance-title{font-family:var(--sa-sans);font-size:12px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--sa-ink);margin:0 0 10px}
.sa-glance-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:12px 28px}
.sa-glance h3{font-family:var(--sa-sans);font-size:13px;font-weight:700;color:var(--sa-ink);margin:0 0 5px}
.sa-glance ul{margin:0;padding-left:18px}
.sa-glance li,.sa-glance p{font-size:14px;line-height:1.55;margin:0 0 6px}
.sa-prose h3{font-family:var(--sa-serif);font-weight:600;font-size:1.32rem;line-height:1.25;color:var(--sa-ink);margin:30px 0 10px;scroll-margin-top:90px}
.sa-prose h4{font-family:var(--sa-sans);font-size:14.5px;font-weight:700;color:var(--sa-ink);margin:18px 0 8px}
.sa-prose p{font-size:16.5px;line-height:1.72;color:var(--sa-text);margin:0 0 15px;overflow-wrap:anywhere}
.sa-prose a{color:var(--sa-coral-strong);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:2px}
.sa-prose code,.sa-summary code,.sa-plain code,.sa-selfcheck code{font-family:var(--sa-mono);font-size:.88em;background:var(--sa-mist);border:1px solid var(--sa-rule);padding:1px 5px;border-radius:4px}
.gt{border-bottom:1.5px dotted var(--sa-coral);cursor:help;text-decoration:none}
.gt:hover{background:var(--sa-coral-pale)}
.sa-plain{background:var(--sa-coral-pale);border:1px solid #F3C6B5;border-radius:8px;padding:14px 18px;margin:6px 0 18px}
.sa-plain p{margin:0;font-size:16px;line-height:1.65}
.sa-plain p.sa-box-kind{margin:0 0 4px}
.sa-box-kind{font-size:11.5px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--sa-coral-strong);margin:0 0 4px}
.sa-summary{background:#fff;border:1px solid var(--sa-rule);border-left:4px solid var(--sa-ink);border-radius:8px;padding:16px 18px 8px;margin:0 0 20px}
.sa-summary h2,.sa-onpage h2,.sa-selfcheck h2,.sa-related h2,.sa-sources h2{font-family:var(--sa-sans);font-size:12px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--sa-ink);margin:0 0 9px}
.sa-summary ul{margin:0;padding-left:18px}
.sa-summary li{font-size:15px;line-height:1.58;margin:0 0 7px}
.sa-onpage{margin:0 0 22px;padding:12px 16px;border:1px solid var(--sa-rule);border-radius:8px;background:#fff}
.sa-onpage h2{color:var(--sa-steel)}
.sa-onpage ol{margin:0;padding-left:20px;columns:2;column-gap:26px}
.sa-onpage li{font-size:14px;line-height:1.5;padding:2px 0;break-inside:avoid}
.sa-onpage a{color:var(--sa-ink);text-decoration:none;border-bottom:1px solid var(--sa-rule-strong)}
.sa-steps-wrap{margin:6px 0 20px}
.sa-steps{margin:0;padding:0;list-style:none;counter-reset:sastep}
.sa-steps li{position:relative;padding:10px 0 10px 46px;border-bottom:1px solid var(--sa-rule);counter-increment:sastep}
.sa-steps li:last-child{border-bottom:none}
.sa-steps li::before{content:counter(sastep);position:absolute;left:0;top:11px;width:30px;height:30px;border-radius:50%;background:var(--sa-ink);color:#fff;font-size:13px;font-weight:700;display:flex;align-items:center;justify-content:center}
.sa-steps li strong{display:block;font-size:15.5px;color:var(--sa-ink);margin-bottom:3px}
.sa-steps li span{display:block;font-size:15px;line-height:1.62}
.sa-table-wrap{margin:6px 0 22px;overflow-x:auto;-webkit-overflow-scrolling:touch}
.sa-table{width:100%;border-collapse:collapse;font-size:14px;line-height:1.5;min-width:520px;background:#fff}
.sa-table th,.sa-table td{text-align:left;vertical-align:top;padding:9px 10px;border:1px solid var(--sa-rule)}
.sa-table thead th{background:var(--sa-ink);color:#fff;font-weight:600;font-size:13px}
.sa-table tbody th{background:var(--sa-mist);color:var(--sa-ink);font-weight:600;width:26%}
.sa-example{background:#fff;border:1px solid var(--sa-rule);border-top:3px solid var(--sa-coral);border-radius:8px;padding:16px 18px 10px;margin:10px 0 24px}
.sa-example h4,.sa-flow h4,.sa-checklist h4,.sa-qa h4,.sa-box h4{font-family:var(--sa-serif);font-weight:600;font-size:1.15rem;color:var(--sa-ink);margin:0 0 8px}
.sa-example p,.sa-flow p,.sa-checklist p,.sa-box p{font-size:15px;line-height:1.62;margin:0 0 10px}
.sa-ex-table{min-width:0;margin:4px 0 10px}
.sa-ex-table th{width:34%}
.sa-ex-note{color:var(--sa-text-soft)}
.sa-checklist{background:var(--sa-mist);border:1px solid var(--sa-rule);border-radius:8px;padding:16px 18px 8px;margin:10px 0 24px}
.sa-checklist ul{list-style:none;margin:0;padding:0}
.sa-checklist li{position:relative;padding:8px 0 8px 30px;border-bottom:1px solid var(--sa-rule);font-size:15px;line-height:1.55}
.sa-checklist li:last-child{border-bottom:none}
.sa-checklist li::before{content:"";position:absolute;left:2px;top:11px;width:14px;height:14px;border:2px solid var(--sa-ink);border-radius:3px;background:#fff}
.sa-checklist li strong{display:block;color:var(--sa-ink)}
.sa-checklist li span{display:block}
.sa-flow{background:#fff;border:1px solid var(--sa-rule);border-left:4px solid var(--sa-ink);border-radius:8px;padding:16px 18px 6px;margin:10px 0 24px}
.sa-flow-list{margin:0;padding:0;list-style:none;counter-reset:fq}
.sa-flow-list li{padding:10px 0 10px 40px;position:relative;border-top:1px solid var(--sa-rule);counter-increment:fq}
.sa-flow-list li::before{content:"Q" counter(fq);position:absolute;left:0;top:11px;font-size:12px;font-weight:800;color:var(--sa-coral-strong)}
.sa-flow-list li strong{display:block;font-size:15.5px;color:var(--sa-ink);margin-bottom:6px}
.sa-branch{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;line-height:1.55;margin:0 0 6px}
.sa-yes,.sa-no{flex:0 0 auto;font-size:11px;font-weight:800;letter-spacing:.08em;padding:2px 7px;border-radius:3px;margin-top:2px}
.sa-yes{background:var(--sa-ink);color:#fff}
.sa-no{background:var(--sa-rule);color:var(--sa-ink)}
.sa-box{border-radius:8px;padding:14px 18px 6px;margin:10px 0 22px;border:1px solid var(--sa-rule);background:#fff}
.sa-box ul{margin:0 0 10px;padding-left:18px}
.sa-box li{font-size:15px;line-height:1.55;margin:0 0 6px}
.sa-box-beginner{background:var(--sa-mist);border-left:4px solid var(--sa-ink)}
.sa-box-beginner .sa-box-kind{color:var(--sa-ink)}
.sa-box-deeper{border-left:4px solid var(--sa-ink-2)}
.sa-box-deeper .sa-box-kind{color:var(--sa-steel)}
.sa-box-watch{background:var(--sa-coral-pale);border-color:#F3C6B5;border-left:4px solid var(--sa-coral)}
.sa-box-note{border-left:4px solid var(--sa-steel)}
.sa-box-note .sa-box-kind,.sa-box-history .sa-box-kind{color:var(--sa-steel)}
.sa-box-history{border-left:4px solid var(--sa-rule-strong);background:#FBFBFD}
.sa-qa{margin:10px 0 24px;padding:16px 18px 4px;background:var(--sa-mist);border:1px solid var(--sa-rule);border-radius:8px}
.sa-qa-item{padding:8px 0 4px;border-top:1px solid var(--sa-rule)}
.sa-qa-item h5{font-family:var(--sa-sans);font-size:15px;font-weight:700;color:var(--sa-ink);margin:0 0 4px}
.sa-qa-item p{font-size:15px;line-height:1.6;margin:0 0 8px}
.sa-diagram{margin:12px 0 26px;background:#fff;border:1px solid var(--sa-rule);border-radius:8px;padding:14px 14px 10px}
.sa-diagram h4{margin:0 0 8px}
.sa-diagram-inner svg{width:100%;height:auto;display:block;max-height:560px}
.sa-diagram figcaption{font-size:13.5px;line-height:1.5;color:var(--sa-text-soft);margin:8px 2px 0}
.sa-code{margin:10px 0 22px}
.sa-code pre code,.sa-chat-code code{background:none;border:0;padding:0;color:inherit;font-size:inherit}
.sa-code pre,.sa-chat-code{background:#0F1A31;color:#E6EBF5;border-radius:8px;padding:14px 16px;overflow-x:auto;font-family:var(--sa-mono);font-size:13.5px;line-height:1.6;margin:0;white-space:pre}
.sa-code figcaption{font-size:13px;color:var(--sa-text-soft);margin:6px 2px 0}
.sa-selfcheck{margin:30px 0 10px;padding:16px 18px;background:#fff;border:1px solid var(--sa-rule);border-radius:8px}
.sa-selfcheck details{border-top:1px solid var(--sa-rule);padding:10px 0}
.sa-selfcheck summary{cursor:pointer;font-weight:600;color:var(--sa-ink);font-size:15px;line-height:1.5}
.sa-selfcheck details p{margin:8px 0 0;font-size:15px;line-height:1.6}
.sa-sections{margin:30px 0 10px}
.sa-section-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.sa-section-card{display:flex;flex-direction:column;align-items:flex-start;gap:6px;text-align:left;background:#fff;border:1px solid var(--sa-rule-strong);border-radius:8px;padding:14px 16px 12px;cursor:pointer;font-family:inherit;color:var(--sa-text);text-decoration:none;transition:transform .12s,box-shadow .12s,border-color .12s}
.sa-section-card:hover,.sa-section-card:focus-visible{transform:translateY(-2px);box-shadow:0 8px 20px rgba(20,33,61,.12);border-color:var(--sa-ink)}
.sa-section-card.read{border-left:4px solid var(--sa-coral)}
.sa-sec-num{font-size:11.5px;font-weight:700;letter-spacing:.06em;color:var(--sa-coral-strong)}
.sa-section-card strong{font-family:var(--sa-serif);font-weight:600;font-size:1.08rem;line-height:1.25;color:var(--sa-ink)}
.sa-sec-blurb{font-size:13.5px;line-height:1.5;color:var(--sa-text-soft)}
.sa-section-card em{margin-top:auto;padding-top:4px;font-style:normal;font-size:13px;font-weight:700;color:var(--sa-ink)}
.sa-testcard{background:#fff;border:1px solid var(--sa-rule);border-top:3px solid var(--sa-coral);border-radius:10px;padding:16px 20px 18px;margin:30px 0 10px}
.sa-testcard .sa-small-h{margin-top:4px}
.sa-testcard p{font-size:15px;line-height:1.6}
.sa-reading ul,.sa-plain-list{padding-left:20px}
.sa-reading li,.sa-plain-list li{font-size:15px;line-height:1.6;margin:0 0 8px}
.sa-reading a{color:var(--sa-ink)}
.sa-continue{margin:28px 0 8px}
.sa-next-card{box-sizing:border-box;display:flex;flex-direction:column;align-items:flex-start;gap:4px;width:100%;text-align:left;background:var(--sa-ink);color:#fff;border:0;border-top:3px solid var(--sa-coral);border-radius:8px;padding:16px 18px 14px;cursor:pointer;font-family:inherit;text-decoration:none}
.sa-next-card small{font-size:12px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:#F4B39C}
.sa-next-card strong{font-family:var(--sa-serif);font-weight:500;font-size:1.3rem;line-height:1.2}
.sa-next-card span{font-size:14px;line-height:1.5;opacity:.88}
.sa-next-card em{font-style:normal;font-size:13.5px;font-weight:700;margin-top:6px}
.sa-next-card:hover{background:var(--sa-ink-2)}
.sa-prevline{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;margin:10px 0 0;font-size:14px}
.sa-prevline a{color:var(--sa-steel);text-decoration:none;border-bottom:1px solid var(--sa-rule-strong)}
.sa-related,.sa-sources{margin:24px 0 0;padding-top:16px;border-top:1px solid var(--sa-rule)}
.sa-rel-row{display:flex;flex-wrap:wrap;gap:8px}
.sa-rel{display:inline-block;background:#fff;border:1px solid var(--sa-rule-strong);border-radius:6px;padding:8px 12px;font-size:14px;color:var(--sa-ink);text-decoration:none}
.sa-rel:hover{border-color:var(--sa-ink)}
.sa-sources ul{margin:0;padding-left:18px}
.sa-sources li{font-size:14.5px;line-height:1.55;margin:0 0 6px}
.sa-sources a{color:var(--sa-ink)}
.sa-ask{margin:24px 0 0;padding:16px 18px;background:var(--sa-mist);border-radius:8px}
.sa-ask p{margin:0 0 10px;font-size:15px}
.sa-ask .btn{white-space:normal;text-align:left;height:auto}
.sa-permalink{font-size:12.5px;color:var(--sa-steel);margin:18px 0 0;overflow-wrap:anywhere}
.sa-permalink a{color:var(--sa-steel)}
.sa-chapter-nav{display:flex;justify-content:space-between;gap:12px;margin:28px 0 0;padding-top:16px;border-top:1px solid var(--sa-rule)}
.sa-chapter-nav a{display:flex;flex-direction:column;gap:2px;text-decoration:none;color:var(--sa-ink);max-width:48%}
.sa-chapter-nav a.next{text-align:right;align-items:flex-end}
.sa-chapter-nav small{font-size:11.5px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--sa-coral-strong)}
.sa-chapter-nav span{font-family:var(--sa-serif);font-size:1.05rem;line-height:1.25}
.sa-resume summary{cursor:pointer;font-weight:600;color:var(--sa-ink);padding:8px 0}
/* diagram classes (light). Inline SVG in the content uses only these. */
.d-box{fill:#fff;stroke:#14213D;stroke-width:1.5}
.d-box-accent{fill:#FDECE6;stroke:#E4572E;stroke-width:1.5}
.d-box-soft{fill:#EEF1F6;stroke:#8A94A8;stroke-width:1.2}
.d-box-ink{fill:#14213D;stroke:#14213D;stroke-width:1.5}
.d-zone{fill:none;stroke:#8A94A8;stroke-width:1.2;stroke-dasharray:6 4}
.d-line,.d-arrow{stroke:#14213D;stroke-width:1.5;fill:none}
.d-dash{stroke:#14213D;stroke-width:1.5;stroke-dasharray:5 4;fill:none}
.d-line-accent{stroke:#E4572E;stroke-width:2;fill:none}
.d-text{font-family:var(--sa-sans);font-size:14px;fill:#1B2433}
.d-text-sm{font-family:var(--sa-sans);font-size:12px;fill:#1B2433}
.d-text-b{font-family:var(--sa-sans);font-size:14px;font-weight:700;fill:#14213D}
.d-label{font-family:var(--sa-sans);font-size:12px;fill:#56637A}
.d-text-inv{font-family:var(--sa-sans);font-size:14px;font-weight:700;fill:#fff}
.d-text-accent{font-family:var(--sa-sans);font-size:13px;font-weight:700;fill:#B93F19}
.d-dot{fill:#14213D}
.d-dot-accent{fill:#E4572E}
.d-arrowhead{fill:#14213D}
@media (max-width:720px){
 .sa-glance-grid,.sa-section-grid{grid-template-columns:1fr}
 .sa-onpage ol{columns:1}
 .sa-prose p{font-size:16px}
 .sa-table-wrap::after{content:"Swipe sideways to see the whole table";display:block;font-size:11.5px;color:var(--sa-steel);margin:6px 0 0}
 .sa-table-wrap:has(.sa-ex-table)::after{display:none}
 .sa-chapter-nav a{max-width:none}
}
@media print{
 .sa-tools,.sa-ask,.sa-continue,.sa-related,.ad-banner,.sa-testcard .btn{display:none!important}
 .sa-selfcheck details{display:block}.sa-selfcheck details>p{display:block}
 .sa-diagram,.sa-example,.sa-table-wrap,.sa-box,.sa-checklist,.sa-flow,.sa-code{break-inside:avoid}
 .sa-prose h3{break-after:avoid}
}

/* shared UI pieces (app and static pages) */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-size:15px;font-weight:700;padding:13px 22px;border-radius:8px;border:1.5px solid transparent;text-decoration:none;min-height:46px}
.btn-coral{background:var(--sa-coral-strong);color:#fff}
.btn-coral:hover{background:#9A3412}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.55)}
.btn-ghost:hover{border-color:#fff}
.btn-ink{background:var(--sa-ink);color:#fff}
.btn-ink:hover{background:var(--sa-ink-2)}
.btn-line{background:#fff;color:var(--sa-ink);border-color:var(--sa-rule-strong)}
.btn-line:hover{border-color:var(--sa-ink)}
.btn:disabled{opacity:.45;cursor:default}
.pill{display:inline-flex;align-items:center;gap:5px;font-size:11.5px;font-weight:700;letter-spacing:.03em;padding:3px 9px;border-radius:999px;background:var(--sa-mist);color:var(--sa-ink)}
.pill.coral{background:var(--sa-coral-pale);color:var(--sa-coral-strong)}
.pill.ink{background:var(--sa-ink);color:#fff}
.pill.soon{background:#fff;border:1px dashed var(--sa-rule-strong);color:var(--sa-steel)}
.ad-banner{display:block;background:#fff;border:2px dashed var(--sa-coral);border-radius:8px;padding:14px 16px;margin:0 0 30px;font-size:14px;line-height:1.5;color:var(--sa-text)}
.ad-banner strong{display:block;font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--sa-coral-strong);margin-bottom:3px}
.ad-banner a{color:var(--sa-ink);font-weight:700}
.note-box{background:var(--sa-coral-pale);border:1px solid #F3C6B5;border-radius:8px;padding:12px 14px;margin:12px 0;font-size:14.5px;line-height:1.55}
.info-box{background:var(--sa-mist);border:1px solid var(--sa-rule);border-radius:8px;padding:12px 14px;margin:12px 0;font-size:14.5px;line-height:1.55}
.g-pop{position:absolute;z-index:60;max-width:320px;background:var(--sa-ink);color:#fff;border-radius:8px;padding:12px 14px;font-size:14px;line-height:1.5;box-shadow:0 10px 30px rgba(10,16,32,.35)}
.g-pop strong{display:block;color:#F4B39C;margin-bottom:3px;font-size:13px;letter-spacing:.04em}
.g-pop a{color:#fff;font-size:12.5px}
.g-pop button{position:absolute;top:4px;right:6px;background:none;border:0;color:#fff;font-size:18px;opacity:.7}
.sp-header{background:var(--sa-ink);padding:12px 20px}
.sp-header-in{max-width:960px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
.sp-brand{display:flex;align-items:center;gap:10px;color:#fff;text-decoration:none}
.sp-brand svg{width:38px;height:38px}
.sp-brand span{font-family:var(--sa-serif);font-size:18px;font-weight:600}
.sp-header nav{display:flex;gap:6px;flex-wrap:wrap}
.sp-header nav a{color:#E8ECF4;font-size:13.5px;font-weight:600;padding:7px 11px;border-radius:6px;text-decoration:none}
.sp-header nav a:hover{background:rgba(255,255,255,.08)}
.sp-header nav a.cta{background:var(--sa-coral-strong);color:#fff}
body.sp{margin:0;background:var(--sa-paper);color:var(--sa-text);font-family:var(--sa-sans);-webkit-text-size-adjust:100%}
.sp-main{max-width:800px;margin:0 auto;padding:26px 20px 50px}
.sp-main.wide{max-width:960px}
.sp-footer{background:var(--sa-ink);color:#DCE2EE;text-align:center;padding:18px 14px;font-size:12.5px}
.sp-footer p{margin:0 0 6px}
.sp-footer a{color:#F4B39C;font-weight:700}
.sp-cta-row{display:flex;flex-wrap:wrap;gap:10px;margin:20px 0}
.verify-ok{background:#fff;border:1px solid var(--sa-rule);border-left:5px solid var(--sa-ink);border-radius:8px;padding:16px 20px}
.verify-ok h2{font-family:var(--sa-serif);font-weight:500;font-size:1.6rem;margin:2px 0 6px;color:var(--sa-ink)}
.verify-bad{background:var(--sa-coral-pale);border:1px solid #F3C6B5;border-radius:8px;padding:12px 16px}
.sp-input{width:100%;box-sizing:border-box;padding:12px 14px;font-size:16px;font-family:inherit;border:1px solid var(--sa-rule-strong);border-radius:8px;background:#fff;margin:0 0 10px}
.sp-toc .toc-ch{background:#fff;border:1px solid var(--sa-rule);border-radius:8px;margin-bottom:12px}
.sp-toc .toc-ch h2{font-family:var(--sa-serif);font-weight:600;font-size:1.15rem;margin:0;padding:14px 16px;border-bottom:1px solid var(--sa-rule)}
.sp-toc .toc-ch h2 a{color:var(--sa-ink);text-decoration:none}
.sp-toc .toc-ch p{margin:10px 16px 0;font-size:14px;color:var(--sa-text-soft)}
.sp-toc .toc-ch ol{margin:0;padding:8px 16px 12px 44px}
.sp-toc .toc-ch li{padding:3px 0;font-size:14.5px}
.sp-toc .toc-ch li a{color:var(--sa-text)}
.gl-letter{font-family:var(--sa-serif);font-size:1.4rem;color:var(--sa-ink);border-bottom:1px solid var(--sa-rule);margin:22px 0 8px;padding-bottom:4px}
.gl-item{padding:8px 0;border-bottom:1px dotted var(--sa-rule-strong);scroll-margin-top:20px}
.gl-item dt{font-weight:700;color:var(--sa-ink)}
.gl-item dd{margin:2px 0 0;font-size:14.5px;line-height:1.55}
.gl-item dd a{font-size:12.5px;color:var(--sa-steel)}
.sp-faq details{background:#fff;border:1px solid var(--sa-rule);border-radius:8px;margin-bottom:10px}
.sp-faq summary{cursor:pointer;padding:13px 16px;font-weight:700;color:var(--sa-ink)}
.sp-faq details p{margin:0;padding:0 16px 14px;line-height:1.65}
.sp-faq details ul{margin:0;padding:0 16px 14px 36px;line-height:1.65}
.sp-faq details li{margin-bottom:4px}
@media print{.sp-header,.sp-footer,.sp-cta-row,.bw-appsbtn{display:none!important}body.sp{background:#fff}.sp-main{max-width:none;padding:0}}
/* About the course (static page and in-app view) */
.ab-facts dl{margin:0;display:grid;grid-template-columns:1fr 1fr;gap:8px 28px}
.ab-facts dl>div{border-top:1px solid var(--sa-rule);padding-top:7px}
.ab-facts dt{font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--sa-steel);margin:0 0 2px}
.ab-facts dd{margin:0 0 4px;font-size:14.5px;line-height:1.5;color:var(--sa-text)}
.ab-prose .ab-sec{scroll-margin-top:90px}
.ab-prose h2{font-family:var(--sa-serif);font-weight:600;font-size:1.55rem;line-height:1.22;color:var(--sa-ink);margin:38px 0 12px;padding-top:18px;border-top:1px solid var(--sa-rule)}
.ab-prose .ab-sec:first-child h2{border-top:0;padding-top:0;margin-top:8px}
.ab-prose h3{font-size:1.15rem}
.ab-prose ul{padding-left:20px}
.ab-prose li{font-size:15.5px;line-height:1.6;margin:0 0 7px}
.ab-chapters{list-style:none;margin:0 0 14px;padding:0}
.ab-chapters li{padding:11px 0;border-bottom:1px solid var(--sa-rule);display:flex;flex-direction:column;gap:3px}
.ab-chapters a{color:var(--sa-ink);text-decoration:none}
.ab-chapters a:hover strong{text-decoration:underline}
.ab-chapters .ab-level{font-size:11.5px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--sa-coral-strong)}
.ab-chapters li>span:last-child{font-size:14.5px;line-height:1.55}
.ab-callout{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px 20px;background:#fff;border:1px solid var(--sa-rule);border-left:4px solid var(--sa-coral);border-radius:8px;padding:16px 20px;margin:0 0 34px}
.ab-callout p{margin:0;font-size:15px;line-height:1.55;flex:1 1 320px}
.ab-callout strong{color:var(--sa-ink)}
@media (max-width:720px){.ab-facts dl{grid-template-columns:1fr}.ab-prose h2{font-size:1.35rem}}
.sa-table code,.sa-ex-table td{overflow-wrap:anywhere}
/* certificate page */
.cert-stage{margin:18px 0 12px}
.cert-img{display:block;width:100%;height:auto;border-radius:6px;box-shadow:0 6px 24px rgba(20,33,61,.18)}
.cert-tools{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.cert-tools p{flex-basis:100%;margin:4px 0 0}
.cert-tools .btn{white-space:nowrap}
/* static pages: with the Be Wise 3-bar menu present, phones show only "Home" and the menu button in the header */
.sp-header nav{align-items:center}
.sp-header nav .bw-burger{margin-left:2px}
@media (max-width:720px){.sp-header nav:has(.bw-burger) a:not(.cta){display:none}}
/* narrated video lessons (chapter introductions and section videos) */
.sa-video{margin:6px 0 22px;background:#fff;border:1px solid var(--sa-rule);border-radius:10px;padding:12px 12px 6px}
.sa-video-head{display:flex;align-items:baseline;justify-content:space-between;gap:12px;flex-wrap:wrap;padding:0 4px 8px}
.sa-video-head .sa-label{margin:0}
.sa-video-head .sa-muted{font-size:13px;color:var(--sa-steel)}
.sa-video-el{display:block;width:100%;height:auto;aspect-ratio:16/9;background:var(--sa-ink);border-radius:6px}
.sa-video-more{display:flex;flex-direction:column;gap:2px;padding:8px 4px 4px}
.sa-video-more details{border-top:1px solid var(--sa-rule);padding:8px 0}
.sa-video-more summary{cursor:pointer;font-size:14.5px;font-weight:600;color:var(--sa-ink);min-height:30px;display:flex;align-items:center}
.sa-video-more audio{width:100%;margin-top:8px}
.sa-transcript{max-height:360px;overflow:auto;margin-top:8px;padding-right:6px}
.sa-transcript p{font-size:15px;line-height:1.65;margin:0 0 10px;color:var(--sa-text)}
/* v115: subtitles in their own band below the picture (saw-video.js), so they never cover a diagram */
.sa-player{position:relative}
.sa-player .sa-video-el{border-radius:6px 6px 0 0}
.sa-player.cc-off .sa-video-el{border-radius:6px}
.sa-cc{background:#0E1830;color:#fff;font-family:var(--sa-sans);font-weight:500;font-size:clamp(15px,1.05rem,18.5px);line-height:1.4;text-align:center;padding:8px 14px;min-height:calc(2.8em + 16px);display:flex;align-items:center;justify-content:center;flex-direction:column;border-radius:0 0 6px 6px;overflow-wrap:anywhere}
.sa-player.cc-off .sa-cc{display:none}
.sa-cc-line{display:block}
.sa-cc-bar{display:flex;flex-wrap:wrap;align-items:center;gap:6px 8px;padding:8px 4px 2px;font-size:13px}
.sa-cc-label{font-weight:700;color:var(--sa-ink);letter-spacing:.02em}
.sa-cc-langs{display:inline-flex;flex-wrap:wrap;gap:6px}
.sa-cc-bar button{font:inherit;font-weight:600;color:var(--sa-ink);background:#fff;border:1px solid var(--sa-rule-strong);border-radius:999px;padding:5px 12px;min-height:32px;cursor:pointer}
.sa-cc-bar button[aria-pressed="true"]{background:var(--sa-ink);border-color:var(--sa-ink);color:#fff}
.sa-cc-bar button:hover{border-color:var(--sa-ink)}
.sa-cc-bar button:focus-visible{outline:3px solid var(--sa-coral);outline-offset:2px}
.sa-cc-full{margin-left:auto;display:inline-flex;align-items:center;gap:6px}
.sa-player.is-full{display:flex;flex-direction:column;justify-content:center;background:#000;width:100%;height:100%;padding:0}
.sa-player.is-full .sa-video-el{flex:1 1 auto;min-height:0;width:100%;height:100%;aspect-ratio:auto;object-fit:contain;border-radius:0;background:#000}
.sa-player.is-full .sa-cc{flex:0 0 auto;border-radius:0;font-size:clamp(18px,2.4vw,34px);min-height:calc(2.8em + 20px)}
.sa-player.is-full .sa-cc-bar{flex:0 0 auto;background:#0E1830;padding:8px 14px 10px;justify-content:center}
.sa-player.is-full .sa-cc-label{color:#fff}
.sa-player.is-full .sa-cc-bar button{background:transparent;color:#fff;border-color:#56637A}
.sa-player.is-full .sa-cc-bar button[aria-pressed="true"]{background:#fff;color:var(--sa-ink);border-color:#fff}
.sa-player:-webkit-full-screen{width:100%;height:100%}
@media (max-width:520px){.sa-cc{font-size:15px;padding:7px 10px}.sa-cc-full span{display:none}}
@media print{.sa-video{display:none!important}}

/* v107: "Before you read this" panel on intermediate and advanced sections */
.sa-before{background:#fff;border:1px solid var(--sa-rule);border-left:4px solid var(--sa-coral);border-radius:8px;padding:12px 16px 10px;margin:4px 0 18px}
.sa-before p{margin:0 0 6px;font-size:15px;line-height:1.6;color:var(--sa-text)}
.sa-before p.sa-box-kind{margin:0 0 6px}
.sa-before ul{margin:0 0 8px;padding:0 0 0 18px}
.sa-before li{font-size:15px;line-height:1.55;margin:0 0 3px}
.sa-before li a{color:var(--sa-ink);text-decoration:none;border-bottom:1px solid var(--sa-rule-strong)}
.sa-before li a:hover{border-bottom-color:var(--sa-ink)}
.sa-before .sa-before-terms .gt{white-space:nowrap}
.sa-before p.sa-before-foot{font-size:13.5px;color:var(--sa-steel);margin:6px 0 0}
.sa-before p.sa-before-foot a{color:var(--sa-coral-strong)}

/* v107: the beginner's path page */
.bp-stage{margin:34px 0 0;padding:26px 0 0;border-top:1px solid var(--sa-rule)}
.bp-stage h2{font-family:var(--sa-serif);font-weight:600;font-size:1.55rem;line-height:1.2;color:var(--sa-ink);margin:0 0 10px}
.bp-stage>p{font-size:16.5px;line-height:1.68;color:var(--sa-text);margin:0 0 14px}
.bp-chapter{background:#fff;border:1px solid var(--sa-rule);border-radius:8px;padding:14px 18px 10px;margin:0 0 14px}
.bp-chapter h3{font-family:var(--sa-serif);font-weight:600;font-size:1.2rem;margin:0 0 4px}
.bp-chapter h3 a{color:var(--sa-ink);text-decoration:none;border-bottom:1px solid var(--sa-rule-strong)}
.bp-meta{font-size:13.5px;color:var(--sa-steel);margin:0 0 10px}
.bp-learn-h{font-size:12px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--sa-ink);margin:0 0 4px}
.bp-learn{margin:0 0 10px;padding-left:18px}
.bp-learn li{font-size:15px;line-height:1.55;margin:0 0 4px}
.bp-secs summary{cursor:pointer;font-size:14.5px;font-weight:600;color:var(--sa-coral-strong);padding:4px 0}
.bp-secs ol{margin:6px 0 4px;padding-left:20px}
.bp-secs li{font-size:15px;line-height:1.55;margin:0 0 5px}
.bp-secs li a{color:var(--sa-ink)}
.bp-tag{display:inline-block;margin-left:8px;font-size:11.5px;font-weight:700;color:var(--sa-coral-strong);background:var(--sa-coral-pale);border-radius:999px;padding:1px 8px;vertical-align:1px}
.bp-after{margin:30px 0 0;padding:20px 0 0;border-top:1px solid var(--sa-rule)}
.bp-after h2{font-family:var(--sa-serif);font-weight:600;font-size:1.35rem;color:var(--sa-ink);margin:0 0 8px}
.bp-after p{font-size:16px;line-height:1.65}
/* v111: headings and the bullet list in the opening part of the path pages (beginners and experienced) */
.sp-main>.sa-prose>h2{font-family:var(--sa-serif);font-weight:600;font-size:1.55rem;line-height:1.2;color:var(--sa-ink);margin:32px 0 10px}
.sp-main>.sa-prose>h2:first-child{margin-top:8px}
.sp-main>.sa-prose>ul{margin:0 0 15px;padding-left:22px}
.sp-main>.sa-prose>ul>li{font-size:16.5px;line-height:1.72;color:var(--sa-text);margin:0 0 8px;padding-left:2px}
.bp-glossary{background:var(--sa-mist);border-left:4px solid var(--sa-coral);border-radius:6px;padding:12px 16px;margin:18px 0 0!important}
.bp-glossary strong{color:var(--sa-ink)}
@media (max-width:640px){.sp-main>.sa-prose>h2{font-size:1.35rem}.sp-main>.sa-prose>ul>li{font-size:16px}}

/* v108: "Where would you like to start?" boxes (app home page and Contents page) and the experienced learners' page */
.sa-start{margin:0 0 38px}
.hero + .sa-start{margin-top:34px}
.sa-start-title{font-family:var(--sa-serif);font-weight:600;font-size:1.5rem;line-height:1.2;color:var(--sa-ink);margin:0 0 6px}
.sa-start-intro{font-size:15.5px;line-height:1.6;color:var(--sa-text-soft);margin:0 0 16px}
.sa-start-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.sa-start-card{display:flex;flex-direction:column;gap:10px;background:#fff;border:1.5px solid var(--sa-rule-strong);border-top:6px solid var(--sa-ink);border-radius:10px;padding:20px 22px 18px;text-decoration:none;color:var(--sa-text);box-shadow:0 2px 10px rgba(20,33,61,.06);transition:box-shadow .15s,transform .15s,border-color .15s}
.sa-start-card.is-beginner{background:var(--sa-coral-pale);border-color:#F1B9A6;border-top-color:var(--sa-coral)}
.sa-start-card:hover{box-shadow:0 8px 22px rgba(20,33,61,.14);transform:translateY(-2px)}
.sa-start-card:focus-visible{outline:3px solid var(--sa-coral-strong);outline-offset:3px}
.sa-start-tag{align-self:flex-start;font-size:12px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:#fff;background:var(--sa-ink);border-radius:999px;padding:3px 11px}
.sa-start-card.is-beginner .sa-start-tag{background:var(--sa-coral-strong)}
.sa-start-card h3{font-family:var(--sa-serif);font-weight:600;font-size:1.3rem;line-height:1.25;color:var(--sa-ink);margin:0}
.sa-start-card p{margin:0;font-size:15px;line-height:1.6;color:var(--sa-text)}
.sa-start-go{margin-top:auto;align-self:flex-start;display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:700;color:#fff;background:var(--sa-ink);border-radius:8px;padding:11px 18px;min-height:44px}
.sa-start-card.is-beginner .sa-start-go{background:var(--sa-coral-strong)}
.sa-start-card:hover .sa-start-go{text-decoration:underline}
.er-must{background:#fff;border:1.5px solid var(--sa-coral);border-left:6px solid var(--sa-coral);border-radius:8px;padding:16px 20px;margin:0 0 30px}
.er-must h2{font-family:var(--sa-serif);font-weight:600;font-size:1.3rem;color:var(--sa-ink);margin:0 0 8px}
.er-must p{font-size:16px;line-height:1.65;margin:0 0 8px}
.er-must ul{margin:0 0 8px;padding-left:20px}
.er-must li{font-size:16px;line-height:1.6;margin:0 0 4px}
.er-must p:last-child{margin-bottom:0}
@media (max-width:720px){
.sa-start-grid{grid-template-columns:1fr}
.sa-start-card{padding:18px 18px 16px}
.sa-start-go{align-self:stretch;justify-content:center}
}
@media print{.sa-start{display:none}}
.er-skim{font-size:15px;line-height:1.6;margin:0 0 8px;color:var(--sa-text)}
.er-skim strong{color:var(--sa-ink)}

/* v110: Beginner mode (switch on section pages; folded blocks; ? beside tappable terms) */
.bm-switch{display:flex;flex-wrap:wrap;align-items:center;gap:6px 14px;background:#fff;border:1px solid var(--sa-rule);border-radius:10px;padding:10px 14px;margin:0 0 18px}
.bm-switch button{display:inline-flex;align-items:center;gap:10px;background:none;border:0;padding:4px 0;font:inherit;font-size:15px;font-weight:700;color:var(--sa-ink);cursor:pointer;min-height:40px}
.bm-switch button:focus-visible{outline:3px solid var(--sa-coral-strong);outline-offset:3px;border-radius:6px}
.bm-track{position:relative;width:44px;height:24px;border-radius:999px;background:var(--sa-rule-strong);transition:background .15s;flex:none}
.bm-knob{position:absolute;top:3px;left:3px;width:18px;height:18px;border-radius:50%;background:#fff;box-shadow:0 1px 3px rgba(0,0,0,.25);transition:left .15s}
.bm-switch button[aria-checked="true"] .bm-track{background:var(--sa-coral-strong)}
.bm-switch button[aria-checked="true"] .bm-knob{left:23px}
.bm-hint{flex:1 1 260px;font-size:13.5px;line-height:1.5;color:var(--sa-steel)}
.bm-fold-bar{display:none}
html.bm-on .bm-fold-bar{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:8px 16px;background:var(--sa-paper);border:1px dashed var(--sa-rule-strong);border-radius:8px;padding:10px 14px;margin:0 0 18px}
.bm-fold-bar p{margin:0;font-size:14.5px;line-height:1.5;color:var(--sa-text);flex:1 1 260px}
.bm-fold-kind{display:block;font-size:11.5px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--sa-steel)}
.bm-fold-bar strong{color:var(--sa-ink);margin-right:4px}
.bm-fold-bar button{font:inherit;font-size:14px;font-weight:700;color:#fff;background:var(--sa-ink);border:0;border-radius:8px;padding:8px 16px;min-height:40px;cursor:pointer}
html.bm-on [data-bm="fold"]:not(.bm-shown){display:none}
html.bm-on .sa-prose .gt::after,html.bm-on .sa-box .gt::after{content:"?";display:inline-flex;align-items:center;justify-content:center;width:15px;height:15px;margin-left:3px;border-radius:50%;background:var(--sa-coral-pale);color:var(--sa-coral-strong);font-size:10.5px;font-weight:700;line-height:1;vertical-align:2px;text-decoration:none}
html.bm-on .sa-box-beginner{border-left-color:var(--sa-coral-strong)}

/* v110: "Am I ready for this chapter?" */
.sa-ready{background:#fff;border:1px solid var(--sa-rule);border-left:4px solid var(--sa-coral);border-radius:8px;padding:18px 20px;margin:0 0 30px}
.sa-ready .rd-intro{font-size:15px;line-height:1.6;color:var(--sa-text-soft);margin:0 0 12px}
.rd-list{margin:0;padding-left:20px}
.rd-q{margin:0 0 18px}
.rd-stem{font-size:16px;line-height:1.55;font-weight:600;color:var(--sa-ink);margin:0 0 8px}
.rd-opts{display:grid;gap:8px}
.rd-opt{display:flex;align-items:flex-start;gap:10px;text-align:left;font:inherit;font-size:15px;line-height:1.5;color:var(--sa-text);background:var(--sa-paper);border:1.5px solid var(--sa-rule);border-radius:8px;padding:9px 12px;cursor:pointer;min-height:44px}
.rd-opt:hover:not(:disabled){border-color:var(--sa-ink)}
.rd-opt:disabled{cursor:default}
.rd-letter{flex:none;display:inline-flex;align-items:center;justify-content:center;width:24px;height:24px;border-radius:50%;background:#fff;border:1px solid var(--sa-rule-strong);font-size:12.5px;font-weight:700;color:var(--sa-ink)}
.rd-opt.is-right{border-color:#2E7D4F;background:#EAF6EF}
.rd-opt.is-right .rd-letter{background:#2E7D4F;border-color:#2E7D4F;color:#fff}
.rd-opt.is-wrong{border-color:var(--sa-coral-strong);background:var(--sa-coral-pale)}
.rd-opt.is-wrong .rd-letter{background:var(--sa-coral-strong);border-color:var(--sa-coral-strong);color:#fff}
.rd-fb{margin:8px 0 0;font-size:14.5px;line-height:1.6;color:var(--sa-text)}
.rd-sum{border-top:1px solid var(--sa-rule);padding-top:12px}
.rd-sum p{margin:0 0 6px;font-size:15.5px}
.rd-sum ul{margin:0 0 10px;padding-left:20px}
.rd-again{font:inherit;font-size:14px;font-weight:700;color:var(--sa-ink);background:#fff;border:1.5px solid var(--sa-ink);border-radius:8px;padding:8px 16px;min-height:40px;cursor:pointer}
@media print{.bm-switch,.bm-fold-bar,.sa-ready{display:none!important}html.bm-on [data-bm="fold"]{display:block!important}}
/* v115: language editions (English / Español) */
.sa-langs{display:flex;gap:6px;margin:10px 0 4px;flex-wrap:wrap}
.sa-langs[hidden]{display:none}
.sa-langs a{font-size:13.5px;font-weight:700;letter-spacing:.02em;text-decoration:none;color:var(--sa-ink);background:#fff;border:1.5px solid var(--sa-ink);border-radius:999px;padding:6px 16px;min-height:34px;display:inline-flex;align-items:center}
.sa-langs a[aria-current]{background:var(--sa-ink);color:#fff}
.sa-langs a:hover{border-color:var(--sa-coral)}
.sa-langs a:focus-visible{outline:3px solid var(--sa-coral);outline-offset:2px}
.sa-lang-line{margin:0 0 6px;font-size:13px}
.sa-lang-link{display:inline-flex;align-items:center;gap:6px;font-weight:600;color:var(--sa-ink);text-decoration:none;border:1px solid var(--sa-rule-strong);border-radius:999px;padding:3px 12px;background:#fff}
.sa-lang-link::before{content:"";width:14px;height:14px;background:no-repeat center/contain url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2314213D' stroke-width='2'%3E%3Ccircle cx='12' cy='12' r='9'/%3E%3Cpath d='M3 12h18M12 3c3 3.5 3 14.5 0 18M12 3c-3 3.5-3 14.5 0 18'/%3E%3C/svg%3E")}
.sa-lang-link:hover{border-color:var(--sa-ink)}
.hero .sa-langs a{background:transparent;color:#fff;border-color:rgba(255,255,255,.7)}
.hero .sa-langs a[aria-current]{background:#fff;color:var(--sa-ink);border-color:#fff}
.hero .sa-langs a:hover{border-color:var(--sa-coral)}