.profab-page-knowledge-base{--kb-blue:#1f5db7;--kb-blue-dark:#164887;--kb-blue-soft:#eaf2fc;--kb-blue-pale:#f4f8fd;--kb-navy:#0a1c36;--kb-ink:#101419;--kb-muted:#5d6876;--kb-line:#d7e0ea;background:var(--color-white);color:var(--kb-ink);overflow-x:hidden}.profab-page-knowledge-base .skip-link{background:var(--kb-navy);color:var(--color-white);left:12px;padding:8px 12px;position:fixed;top:-50px;z-index:100}.profab-page-knowledge-base .skip-link:focus{top:12px}.profab-page-knowledge-base .breadcrumb-bar{background:var(--color-white);color:var(--kb-muted);font-family:var(--font-heading);font-size:.77rem;padding:15px 0}.profab-page-knowledge-base .breadcrumb-bar a{color:var(--kb-muted);text-decoration:none}.profab-page-knowledge-base .breadcrumb-bar a:hover,.profab-page-knowledge-base .breadcrumb-bar a:focus-visible{color:var(--kb-blue);text-decoration:underline}.profab-page-knowledge-base .knowledge-hero{background:radial-gradient(circle at 92% 16%,rgb(126 179 246 / .42),transparent 27%),linear-gradient(128deg,var(--kb-blue) 0%,var(--kb-blue-dark) 58%,var(--kb-navy) 100%);color:var(--color-white);min-height:480px;overflow:hidden;position:relative}.profab-page-knowledge-base .knowledge-hero::before{background-image:linear-gradient(to right,rgb(255 255 255 / .08) 1px,transparent 1px),linear-gradient(to bottom,rgb(255 255 255 / .08) 1px,transparent 1px);background-size:42px 42px;content:"";inset:0;mask-image:linear-gradient(to right,black,transparent 82%);opacity:.6;pointer-events:none;position:absolute}.profab-page-knowledge-base .knowledge-hero__grid{align-items:center;display:grid;gap:clamp(40px, 8vw, 120px);grid-template-columns:minmax(0,1fr) minmax(300px,0.8fr);min-height:480px;position:relative;z-index:1}.profab-page-knowledge-base .knowledge-hero__copy{padding:58px 0}.profab-page-knowledge-base .eyebrow,.profab-page-knowledge-base .section-kicker{color:var(--kb-blue);font-family:var(--font-heading);font-size:.72rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase}.profab-page-knowledge-base .knowledge-hero .eyebrow{color:#b9d7fb;margin-bottom:21px}.profab-page-knowledge-base .knowledge-hero h1{color:var(--color-white);font-size:clamp(3rem, 6vw, 5.8rem);letter-spacing:-.045em;line-height:.91;margin-bottom:28px}.profab-page-knowledge-base .knowledge-hero h1 span{color:#b9d7fb}.profab-page-knowledge-base .knowledge-hero__copy>p{color:rgb(255 255 255 / .82);font-size:clamp(1rem, 1.45vw, 1.12rem);margin-bottom:29px;max-width:630px}.profab-page-knowledge-base .knowledge-hero__actions{display:flex;flex-wrap:wrap;gap:12px}.profab-page-knowledge-base .knowledge-hero .btn-primary{background:var(--color-white);color:var(--kb-blue-dark)}.profab-page-knowledge-base .knowledge-hero .btn-primary:hover,.profab-page-knowledge-base .knowledge-hero .btn-primary:focus-visible{background:#cfe4fc;color:var(--kb-navy)}.profab-page-knowledge-base .knowledge-hero .btn-outline{border-color:rgb(255 255 255 / .66);color:var(--color-white)}.profab-page-knowledge-base .knowledge-hero .btn-outline:hover,.profab-page-knowledge-base .knowledge-hero .btn-outline:focus-visible{background:var(--color-white);color:var(--kb-blue-dark)}.profab-page-knowledge-base .knowledge-hero__index{align-self:stretch;border-left:1px solid rgb(255 255 255 / .28);margin:54px 0;padding:29px 0 29px 42px;position:relative}.profab-page-knowledge-base .knowledge-hero__index-mark{color:rgb(255 255 255 / .13);font-family:var(--font-heading);font-size:clamp(6rem, 13vw, 12rem);font-weight:700;letter-spacing:-.1em;line-height:.8;position:absolute;right:-22px;top:62px}.profab-page-knowledge-base .knowledge-hero__index-title{color:#d7e8fd;font-family:var(--font-heading);font-size:.78rem;font-weight:700;letter-spacing:.15em;position:relative;text-transform:uppercase}.profab-page-knowledge-base .knowledge-hero__index-line{background:#9bc9f6;height:2px;margin:18px 0 24px;position:relative;width:62px}.profab-page-knowledge-base .knowledge-hero__stats{display:grid;gap:20px;grid-template-columns:repeat(3,minmax(0,1fr));max-width:370px;position:relative}.profab-page-knowledge-base .knowledge-hero__stats strong,.profab-page-knowledge-base .knowledge-hero__stats span{display:block}.profab-page-knowledge-base .knowledge-hero__stats strong{color:var(--color-white);font-family:var(--font-heading);font-size:2rem;line-height:1}.profab-page-knowledge-base .knowledge-hero__stats span{color:rgb(255 255 255 / .6);font-family:var(--font-heading);font-size:.68rem;margin-top:7px;text-transform:uppercase}.profab-page-knowledge-base .knowledge-hero__diagram{bottom:16px;height:124px;position:absolute;right:19px;width:124px}.profab-page-knowledge-base .diagram-ring,.profab-page-knowledge-base .diagram-axis,.profab-page-knowledge-base .diagram-dot{display:block;position:absolute}.profab-page-knowledge-base .diagram-ring{border:1px solid rgb(185 215 251 / .6);border-radius:50%;left:50%;top:50%;transform:translate(-50%,-50%)}.profab-page-knowledge-base .diagram-ring--outer{height:108px;width:108px}.profab-page-knowledge-base .diagram-ring--inner{border-color:rgb(185 215 251 / .9);height:54px;width:54px}.profab-page-knowledge-base .diagram-axis{background:rgb(185 215 251 / .55);left:50%;top:50%;transform:translate(-50%,-50%)}.profab-page-knowledge-base .diagram-axis--horizontal{height:1px;width:122px}.profab-page-knowledge-base .diagram-axis--vertical{height:122px;width:1px}.profab-page-knowledge-base .diagram-dot{background:#d7e8fd;border-radius:50%;height:9px;left:calc(50% - 4px);top:calc(50% - 4px);width:9px}.profab-page-knowledge-base .intro-strip{background:var(--kb-navy);color:var(--color-white)}.profab-page-knowledge-base .intro-strip__inner{align-items:center;display:flex;gap:30px;justify-content:space-between;padding-bottom:22px;padding-top:22px}.profab-page-knowledge-base .intro-strip p{font-size:.91rem;margin:0}.profab-page-knowledge-base .intro-strip strong{color:#b9d7fb;font-family:var(--font-heading);margin-right:8px}.profab-page-knowledge-base .text-link{color:#b9d7fb;flex:0 0 auto;font-family:var(--font-heading);font-size:.8rem;font-weight:700;text-decoration:none}.profab-page-knowledge-base .text-link:hover,.profab-page-knowledge-base .text-link:focus-visible{color:var(--color-white);text-decoration:underline}.profab-page-knowledge-base .topic-section{background:var(--kb-blue-pale);padding:clamp(70px, 8vw, 112px) 0}.profab-page-knowledge-base .topic-layout{align-items:start;display:grid;gap:clamp(40px, 7vw, 100px);grid-template-columns:minmax(220px,0.5fr) minmax(0,1.5fr)}.profab-page-knowledge-base .topic-sidebar__sticky{position:sticky;top:100px}.profab-page-knowledge-base .topic-sidebar h2{font-size:clamp(1.9rem, 3vw, 2.8rem);letter-spacing:-.03em;line-height:1;margin:14px 0 16px}.profab-page-knowledge-base .topic-sidebar>p{color:var(--kb-muted);font-size:.9rem;margin-bottom:24px}.profab-page-knowledge-base .topic-search{background:var(--color-white);border:1px solid var(--kb-line);display:block;padding:12px 14px 11px}.profab-page-knowledge-base .topic-search span{color:var(--kb-blue);display:block;font-family:var(--font-heading);font-size:.68rem;font-weight:700;letter-spacing:.12em;margin-bottom:4px;text-transform:uppercase}.profab-page-knowledge-base .topic-search input{background:#fff0;border:0;color:var(--kb-ink);font-family:var(--font-body);font-size:.9rem;outline:0;padding:3px 0;width:100%}.profab-page-knowledge-base .topic-search:focus-within{border-color:var(--kb-blue);box-shadow:0 0 0 2px rgb(31 93 183 / .14)}.profab-page-knowledge-base .search-status{color:var(--kb-muted);font-family:var(--font-heading);font-size:.7rem;margin:9px 0 25px}.profab-page-knowledge-base .topic-jump{border-top:1px solid var(--kb-line);display:grid;grid-template-columns:1fr}.profab-page-knowledge-base .topic-jump a{border-bottom:1px solid var(--kb-line);color:var(--kb-muted);display:flex;font-family:var(--font-heading);font-size:.72rem;gap:13px;padding:9px 0;text-decoration:none}.profab-page-knowledge-base .topic-jump a span{color:var(--kb-ink);font-weight:700}.profab-page-knowledge-base .topic-jump a:hover,.profab-page-knowledge-base .topic-jump a:focus-visible,.profab-page-knowledge-base .topic-jump a:hover span,.profab-page-knowledge-base .topic-jump a:focus-visible span{color:var(--kb-blue)}.profab-page-knowledge-base .topic-grid{display:grid;gap:16px;grid-template-columns:repeat(2,minmax(0,1fr))}.profab-page-knowledge-base .topic-card{background:var(--color-white);border:1px solid var(--kb-line);min-width:0;padding:22px 23px 17px;transition:border-color 0.2s ease,transform 0.2s ease}.profab-page-knowledge-base .topic-card:hover{border-color:var(--kb-blue);transform:translateY(-3px)}.profab-page-knowledge-base .topic-card[hidden]{display:none}.profab-page-knowledge-base .topic-card__top{align-items:center;color:var(--kb-blue);display:flex;font-family:var(--font-heading);font-size:.7rem;font-weight:700;justify-content:space-between;letter-spacing:.13em}.profab-page-knowledge-base .topic-card__accent{color:var(--kb-muted);font-size:.62rem}.profab-page-knowledge-base .topic-card h3{border-bottom:1px solid var(--kb-line);font-size:1.34rem;line-height:1.08;margin:27px 0 11px;padding-bottom:15px}.profab-page-knowledge-base .topic-card>p{color:var(--kb-muted);font-size:.82rem;min-height:42px;margin-bottom:11px}.profab-page-knowledge-base .resource-list{list-style:none;margin:0;padding:0}.profab-page-knowledge-base .resource-list li{border-top:1px dashed var(--kb-line);min-width:0}.profab-page-knowledge-base .resource-list a{color:var(--kb-ink);display:block;font-size:.82rem;line-height:1.4;padding:9px 18px 9px 0;position:relative;text-decoration:none}.profab-page-knowledge-base .resource-list a::after{color:var(--kb-blue);content:"\2197";font-family:var(--font-heading);font-size:.88rem;position:absolute;right:0;top:10px}.profab-page-knowledge-base .resource-list a:hover,.profab-page-knowledge-base .resource-list a:focus-visible{color:var(--kb-blue);text-decoration:underline}.profab-page-knowledge-base .quote-section{background:var(--kb-navy);color:var(--color-white);padding:clamp(70px, 8vw, 110px) 0}.profab-page-knowledge-base .quote-layout{display:grid;gap:clamp(40px, 8vw, 110px);grid-template-columns:minmax(0,0.82fr) minmax(380px,1.18fr)}.profab-page-knowledge-base .section-kicker--light{color:#a9cdf5}.profab-page-knowledge-base .quote-copy h2{color:var(--color-white);font-size:clamp(2.2rem, 4.2vw, 4.1rem);letter-spacing:-.04em;line-height:.98;margin:16px 0 19px}.profab-page-knowledge-base .quote-copy p{color:rgb(255 255 255 / .7);font-size:.96rem;max-width:500px}.profab-page-knowledge-base .quote-email{color:#a9cdf5;display:inline-block;font-family:var(--font-heading);font-size:1.05rem;font-weight:700;margin-top:17px;text-decoration:none}.profab-page-knowledge-base .quote-email:hover,.profab-page-knowledge-base .quote-email:focus-visible{color:var(--color-white);text-decoration:underline}.profab-page-knowledge-base .quote-form{background:var(--color-white);color:var(--kb-ink);padding:clamp(24px, 4vw, 36px)}.profab-page-knowledge-base .quote-form__heading{border-bottom:1px solid var(--kb-line);font-family:var(--font-heading);font-size:1.4rem;font-weight:700;margin-bottom:22px;padding-bottom:16px;text-transform:uppercase}.profab-page-knowledge-base .quote-form__grid{display:grid;gap:14px;grid-template-columns:repeat(2,minmax(0,1fr))}.profab-page-knowledge-base .quote-form label{display:block}.profab-page-knowledge-base .quote-form label span{color:var(--kb-muted);display:block;font-family:var(--font-heading);font-size:.72rem;font-weight:700;margin-bottom:6px}.profab-page-knowledge-base .quote-form input,.profab-page-knowledge-base .quote-form textarea{background:var(--kb-blue-pale);border:1px solid var(--kb-line);border-radius:0;color:var(--kb-ink);font-family:var(--font-body);font-size:.86rem;padding:11px 12px;width:100%}.profab-page-knowledge-base .quote-form input:focus,.profab-page-knowledge-base .quote-form textarea:focus{border-color:var(--kb-blue);box-shadow:0 0 0 2px rgb(31 93 183 / .14);outline:0}.profab-page-knowledge-base .quote-form textarea{min-height:108px;resize:vertical}.profab-page-knowledge-base .quote-form__full{grid-column:1 / -1}.profab-page-knowledge-base .quote-form .btn{margin-top:19px}.profab-page-knowledge-base .quote-form__note{color:var(--kb-muted);font-size:.7rem;margin:13px 0 0}@media (max-width:900px){.profab-page-knowledge-base .knowledge-hero__grid{gap:42px;grid-template-columns:minmax(0,1fr) minmax(250px,0.7fr)}.profab-page-knowledge-base .knowledge-hero__index{padding-left:28px}.profab-page-knowledge-base .topic-layout{gap:35px;grid-template-columns:minmax(190px,0.55fr) minmax(0,1.45fr)}}@media (max-width:768px){.profab-page-knowledge-base .knowledge-hero__grid{display:block;min-height:0}.profab-page-knowledge-base .knowledge-hero__copy{padding:68px 0 40px}.profab-page-knowledge-base .knowledge-hero__index{border-left:0;border-top:1px solid rgb(255 255 255 / .28);margin:0;min-height:200px;padding:25px 0 48px}.profab-page-knowledge-base .knowledge-hero__diagram{bottom:22px;right:10px}.profab-page-knowledge-base .intro-strip__inner{align-items:flex-start;display:block}.profab-page-knowledge-base .intro-strip__inner p{margin-bottom:10px}.profab-page-knowledge-base .topic-layout,.profab-page-knowledge-base .quote-layout{grid-template-columns:1fr}.profab-page-knowledge-base .topic-sidebar__sticky{position:static}.profab-page-knowledge-base .topic-jump{grid-template-columns:repeat(2,minmax(0,1fr))}.profab-page-knowledge-base .topic-jump a{margin-right:14px}.profab-page-knowledge-base .quote-copy{max-width:620px}}@media (max-width:520px){.profab-page-knowledge-base .knowledge-hero h1{font-size:clamp(2.8rem, 14vw, 4.2rem)}.profab-page-knowledge-base .knowledge-hero__actions{display:grid}.profab-page-knowledge-base .knowledge-hero__actions .btn{text-align:center;width:100%}.profab-page-knowledge-base .knowledge-hero__stats{gap:10px}.profab-page-knowledge-base .knowledge-hero__stats strong{font-size:1.7rem}.profab-page-knowledge-base .knowledge-hero__stats span{font-size:.61rem}.profab-page-knowledge-base .topic-grid,.profab-page-knowledge-base .quote-form__grid{grid-template-columns:1fr}.profab-page-knowledge-base .topic-jump{grid-template-columns:1fr}.profab-page-knowledge-base .topic-jump a{margin-right:0}.profab-page-knowledge-base .quote-form__full{grid-column:auto}}@media (prefers-reduced-motion:reduce){.profab-page-knowledge-base .topic-card{transition:none}}