:root{--tab-navy:#031b3a;--tab-navy-2:#0b2e54;--tab-teal:#008fa7;--tab-cyan:#11b8c8;--tab-ink:#10233f;--tab-muted:#617087;--tab-paper:#fbfaf5;--tab-white:#fff;--tab-orange:#f39a38;--tab-border:#dce5ea;--tab-success:#167c5a;--tab-danger:#b42318;--tab-shadow:0 14px 38px rgba(3,27,58,.11);--tab-radius:18px;--tab-max:1180px}
*{box-sizing:border-box}.tab-page,.tab-home{color:var(--tab-ink);font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.5}.tab-page a,.tab-home a{color:var(--tab-teal)}.tab-container{width:min(var(--tab-max),calc(100% - 32px));margin-inline:auto}.tab-btn{align-items:center;background:var(--tab-teal);border:1px solid var(--tab-teal);border-radius:999px;color:#fff!important;cursor:pointer;display:inline-flex;font-weight:700;gap:8px;justify-content:center;min-height:44px;padding:10px 22px;text-decoration:none;transition:.18s ease}.tab-btn:hover{background:var(--tab-navy);border-color:var(--tab-navy);transform:translateY(-1px)}.tab-btn--outline{background:transparent;color:var(--tab-navy)!important}.tab-btn--light{background:#fff;border-color:#fff;color:var(--tab-navy)!important}.tab-btn--danger{background:var(--tab-danger);border-color:var(--tab-danger)}.tab-eyebrow{color:var(--tab-teal);font-size:.78rem;font-weight:800;letter-spacing:.14em;text-transform:uppercase}.tab-hero{background:linear-gradient(118deg,var(--tab-navy),#0c4164);color:#fff;isolation:isolate;overflow:hidden;padding:76px 0;position:relative}.tab-hero:after{background:radial-gradient(circle,#1ec6d7 0 2px,transparent 3px);background-size:28px 28px;content:"";inset:-40% -12% -60% 58%;opacity:.2;position:absolute;transform:rotate(-8deg);z-index:-1}.tab-hero__grid{align-items:center;display:grid;gap:48px;grid-template-columns:1.15fr .85fr}.tab-hero h1{color:#fff;font-size:clamp(2.6rem,6vw,5.6rem);letter-spacing:-.055em;line-height:.94;margin:10px 0 22px;max-width:770px}.tab-hero h1 em{color:var(--tab-cyan);font-family:Georgia,serif;font-weight:500}.tab-hero p{color:#d5edf1;font-size:1.12rem;max-width:650px}.tab-hero__card{background:#fff;border-radius:30px;box-shadow:0 24px 50px rgba(0,0,0,.24);color:var(--tab-ink);padding:28px;transform:rotate(2deg)}.tab-hero__card img{display:block;height:120px;margin:auto;max-width:100%;object-fit:contain}.tab-search{background:#fff;border-radius:999px;display:flex;margin-top:30px;max-width:620px;padding:6px}.tab-search input{border:0;flex:1;min-width:0;outline:0;padding:9px 18px}.tab-search button{border:0}.tab-flow{background:var(--tab-paper);padding:36px 0}.tab-flow__grid{display:grid;gap:16px;grid-template-columns:repeat(4,1fr)}.tab-flow__item{align-items:center;background:#fff;border:1px solid var(--tab-border);border-radius:16px;display:flex;gap:14px;padding:18px}.tab-flow__num{align-items:center;background:#e2f8fa;border-radius:50%;color:var(--tab-teal);display:flex;flex:0 0 38px;font-weight:900;height:38px;justify-content:center}.tab-section{padding:74px 0}.tab-section--tint{background:#f3f8f8}.tab-section__head{align-items:end;display:flex;gap:24px;justify-content:space-between;margin-bottom:30px}.tab-section h2{color:var(--tab-navy);font-size:clamp(2rem,4vw,3.4rem);letter-spacing:-.045em;line-height:1.05;margin:5px 0}.tab-book-grid{display:grid;gap:22px;grid-template-columns:repeat(4,minmax(0,1fr))}.tab-book-card{background:#fff;border:1px solid var(--tab-border);border-radius:var(--tab-radius);box-shadow:0 6px 18px rgba(3,27,58,.05);min-width:0;overflow:hidden;transition:.2s}.tab-book-card:hover{box-shadow:var(--tab-shadow);transform:translateY(-4px)}.tab-book-card__cover{align-items:center;aspect-ratio:2/3;background:linear-gradient(145deg,#e9f4f4,#f8f1e4);display:flex;justify-content:center;overflow:hidden}.tab-book-card__cover img{height:100%;object-fit:cover;width:100%}.tab-book-card__placeholder{color:var(--tab-teal);font-family:Georgia,serif;font-size:3rem;font-weight:700}.tab-book-card__body{padding:18px}.tab-book-card h3{font-size:1rem;line-height:1.35;margin:0 0 8px;min-height:2.7em}.tab-book-card__price{color:var(--tab-navy);font-size:1.1rem;font-weight:900}.tab-book-card a{text-decoration:none}.tab-cta{background:var(--tab-navy);border-radius:30px;color:#fff;display:grid;gap:30px;grid-template-columns:1fr auto;padding:44px}.tab-cta h2{color:#fff;margin:0}.tab-category-hero{background:var(--tab-navy);color:#fff;margin-bottom:32px;overflow:hidden;padding:42px 0}.tab-category-hero__grid{align-items:center;display:grid;gap:32px;grid-template-columns:1fr auto}.tab-category-hero h1{color:#fff;font-size:clamp(2.2rem,5vw,4.5rem);margin:5px 0}.tab-category-hero__featured{align-items:center;background:#fff;border-radius:18px;color:var(--tab-ink);display:flex;gap:18px;max-width:420px;padding:15px}.tab-category-hero__featured img{aspect-ratio:2/3;border-radius:8px;object-fit:cover;width:72px}.tab-referral-strip{background:#e5f8fa;border:1px solid #b6e9ed;border-radius:16px;color:var(--tab-navy);margin:20px 0;padding:16px;text-align:center}.tab-layout{display:grid;gap:28px;grid-template-columns:250px minmax(0,1fr);padding:48px 0 80px}.tab-sidebar{align-self:start;background:var(--tab-navy);border-radius:20px;color:#fff;padding:24px;position:sticky;top:20px}.tab-sidebar img{height:auto;margin-bottom:22px;width:100%}.tab-sidebar a{border-radius:10px;color:#d9edf0;display:block;padding:10px 12px;text-decoration:none}.tab-sidebar a:hover{background:rgba(255,255,255,.1);color:#fff}.tab-panel{background:#fff;border:1px solid var(--tab-border);border-radius:20px;box-shadow:var(--tab-shadow);padding:28px}.tab-panel+.tab-panel{margin-top:22px}.tab-panel h1,.tab-panel h2{color:var(--tab-navy);margin-top:0}.tab-metric-grid{display:grid;gap:14px;grid-template-columns:repeat(4,minmax(0,1fr));margin:24px 0}.tab-metric{background:#f3f8f8;border-radius:14px;padding:18px}.tab-metric strong{color:var(--tab-navy);display:block;font-size:1.7rem}.tab-copy{display:flex;gap:8px}.tab-copy input{flex:1;min-width:0}.tab-input,.tab-page input[type=text],.tab-page input[type=email],.tab-page input[type=datetime-local],.tab-page input[type=number],.tab-page select,.tab-page textarea{background:#fff;border:1px solid #c9d6de;border-radius:10px;min-height:44px;padding:10px 12px;width:100%}.tab-page label{display:block;font-weight:700;margin:12px 0 5px}.tab-alert{border-radius:12px;margin-bottom:18px;padding:14px 16px}.tab-alert--error{background:#fff0ee;color:var(--tab-danger)}.tab-alert--success{background:#e9f7ef;color:var(--tab-success)}.tab-contact-list{border:1px solid var(--tab-border);border-radius:14px;max-height:480px;overflow:auto}.tab-contact{align-items:center;border-bottom:1px solid var(--tab-border);display:flex;gap:12px;padding:12px}.tab-contact:last-child{border:0}.tab-contact input{height:20px;width:20px}.tab-table-wrap{overflow-x:auto}.tab-table{border-collapse:collapse;width:100%}.tab-table th,.tab-table td{border-bottom:1px solid var(--tab-border);padding:12px;text-align:left;vertical-align:top}.tab-table th{color:var(--tab-muted);font-size:.75rem;letter-spacing:.08em;text-transform:uppercase}.tab-event-grid{display:grid;gap:22px;grid-template-columns:repeat(3,minmax(0,1fr))}.tab-event-card{background:#fff;border:1px solid var(--tab-border);border-radius:18px;box-shadow:0 8px 24px rgba(3,27,58,.07);padding:22px}.tab-event-card time{color:var(--tab-teal);font-weight:800}.tab-empty{background:#f5f8f9;border:1px dashed #b8c9d2;border-radius:15px;color:var(--tab-muted);padding:36px;text-align:center}.tab-form-grid{display:grid;gap:16px;grid-template-columns:1fr 1fr}.tab-span-2{grid-column:span 2}.tab-loading{animation:tab-pulse 1.4s infinite;background:#e8eff2;border-radius:8px;min-height:20px}@keyframes tab-pulse{50%{opacity:.45}}
@media(max-width:900px){.tab-hero__grid,.tab-layout,.tab-cta{grid-template-columns:1fr}.tab-hero__card{display:none}.tab-flow__grid,.tab-book-grid,.tab-metric-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.tab-event-grid{grid-template-columns:1fr 1fr}.tab-sidebar{position:static}.tab-sidebar img{max-width:240px}.tab-category-hero__grid{grid-template-columns:1fr}.tab-category-hero__featured{max-width:none}}
@media(max-width:580px){.tab-container{width:min(100% - 20px,var(--tab-max))}.tab-hero{padding:52px 0}.tab-flow__grid,.tab-book-grid,.tab-metric-grid,.tab-event-grid,.tab-form-grid{grid-template-columns:1fr}.tab-span-2{grid-column:auto}.tab-section{padding:52px 0}.tab-section__head{align-items:start;flex-direction:column}.tab-panel{padding:20px}.tab-copy{flex-direction:column}.tab-cta{padding:28px}.tab-category-hero__featured{align-items:flex-start}.tab-btn{width:100%}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important}}

/* ThinkAboutBooks branded osCommerce shell (v1.0.3). */
.tab-branded-shell .header,.tab-branded-shell .footer{font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
.tab-branded-shell .header #box-179365{background:#02152d!important;border-bottom:1px solid rgba(255,255,255,.12)!important;color:#d7eef2!important}
.tab-branded-shell .header #box-179365>.block,.tab-branded-shell .header #box-179371>.block,.tab-branded-shell .header #box-179377>.block,.tab-branded-shell .footer #box-110186>.block,.tab-branded-shell .footer #box-110196>.block{margin:0 auto;max-width:var(--tab-max);width:calc(100% - 32px)}
.tab-branded-shell .header #box-179365 a{color:#d7eef2!important}
.tab-branded-shell .header #box-179365 a:hover{color:var(--tab-cyan)!important}
.tab-branded-shell .header #box-179371{background:linear-gradient(110deg,var(--tab-navy),var(--tab-navy-2))!important;color:#fff!important;padding:14px 0!important}
.tab-branded-shell .header #box-179371>.block{align-items:center;display:flex;gap:20px}
.tab-branded-shell .header #box-179372{clear:none!important;float:none!important;flex:0 0 250px;margin:0!important;max-width:250px!important}
.tab-branded-shell .header #box-179372 .logo{text-align:left}
.tab-branded-shell .header #box-179372 img{height:auto!important;max-height:88px!important;max-width:235px!important;width:auto!important}
.tab-branded-shell .header #box-179376{display:none!important}
.tab-branded-shell .header #box-179373{clear:none!important;float:none!important;flex:1 1 auto;margin:0!important;padding:0!important}
.tab-branded-shell .header .w-search .search-input{background:#fff!important;border:2px solid transparent!important;border-radius:999px!important;color:var(--tab-ink)!important;height:46px!important;padding:8px 52px 8px 20px!important}
.tab-branded-shell .header .w-search .search-input:focus{border-color:var(--tab-cyan)!important;box-shadow:0 0 0 4px rgba(17,184,200,.18);outline:0}
.tab-branded-shell .header .w-search .button-search{height:42px!important;right:3px!important;top:2px!important;width:44px!important}
.tab-branded-shell .header .w-search .button-search:before{color:var(--tab-teal)!important}
.tab-branded-shell .header #box-179374,.tab-branded-shell .header #box-179375{clear:none!important;float:none!important;margin:0!important}
.tab-branded-shell .header .w-cart .cart-box-link,.tab-branded-shell .header .w-account .my-acc-link{color:#fff!important}
.tab-branded-shell .header .w-cart .cart-box-link:before,.tab-branded-shell .header .w-account .my-acc-link:before{background:var(--tab-teal)!important;color:#fff!important}
.tab-branded-shell .header .w-cart .cart-box-link:hover:before,.tab-branded-shell .header .w-account .my-acc-link:hover:before{background:var(--tab-cyan)!important}
.tab-branded-shell .header #box-179377{background:var(--tab-navy-2)!important;color:#fff!important}
.tab-branded-shell .header #box-179378 .menu-content>.level-1{align-items:center;display:flex;justify-content:center;white-space:normal}
.tab-branded-shell .header #box-179378 .level-1>li{margin:0!important}
.tab-branded-shell .header #box-179378 .level-1>li>a{border-bottom:3px solid transparent!important;color:#fff!important;font-size:.88rem!important;font-weight:800!important;letter-spacing:.035em;padding:16px 25px!important;text-transform:none!important}
.tab-branded-shell .header #box-179378 .level-1>li>a:hover{background:rgba(255,255,255,.06)!important;border-bottom-color:var(--tab-cyan)!important;color:var(--tab-cyan)!important;text-decoration:none}
.tab-branded-shell .header #box-179378 .burger-icon{color:#fff!important}
.tab-branded-shell .footer #box-110186{background:var(--tab-navy)!important;color:#cfe4e8!important;padding:42px 0 24px!important}
.tab-branded-shell .footer #box-110187{align-items:start;display:grid!important;gap:44px;grid-template-columns:230px minmax(0,1fr)}
.tab-branded-shell .footer #box-110187>.block{float:none!important;width:auto!important}
.tab-branded-shell .footer #box-110189{display:block!important;float:none!important;margin:0 0 20px!important;max-width:220px!important;padding:0!important}
.tab-branded-shell .footer #box-110189 img{height:auto!important;max-height:105px!important;max-width:215px!important;width:auto!important}
.tab-branded-shell .footer #box-110188{color:#cfe4e8!important;font-size:.9rem!important;line-height:1.8!important}
.tab-branded-shell .footer #box-110188 strong{color:#fff;font-size:1.05rem}
.tab-branded-shell .footer #box-110188 a{color:var(--tab-cyan)!important}
.tab-branded-shell .footer #box-110190{border-color:rgba(255,255,255,.15)!important;padding:0 0 0 34px!important}
.tab-branded-shell .footer .footer-menu .level-1{display:grid!important;gap:30px;grid-template-columns:repeat(3,minmax(0,1fr));padding:0!important}
.tab-branded-shell .footer .footer-menu .level-1>li{float:none!important;width:auto!important}
.tab-branded-shell .footer .footer-menu .no-link{color:#fff!important;font-size:.95rem!important;font-weight:800!important}
.tab-branded-shell .footer .footer-menu .level-2{display:block!important;margin-top:12px!important;position:static!important}
.tab-branded-shell .footer .footer-menu .level-2 a{color:#cfe4e8!important;line-height:1.6!important}
.tab-branded-shell .footer .footer-menu .level-2 a:hover{color:var(--tab-cyan)!important}
.tab-branded-shell .footer #box-110192{border-color:rgba(255,255,255,.15)!important}
.tab-branded-shell .footer #box-110193{display:none!important}
.tab-branded-shell .footer #box-110195{color:#fff!important}
.tab-branded-shell .footer #box-110196{background:#02152d!important;color:#a9c5cb!important;padding:20px 0!important}
.tab-branded-shell .footer #box-110197{font-size:.86rem!important;line-height:1.7!important;text-align:center!important}
.tab-branded-shell .footer #box-110197 a{color:var(--tab-cyan)!important;font-weight:700}
@media(max-width:992px){.tab-branded-shell .header #box-179371>.block{display:grid;grid-template-columns:minmax(150px,1fr) auto auto}.tab-branded-shell .header #box-179372{flex-basis:auto;max-width:210px!important}.tab-branded-shell .header #box-179372 img{max-height:72px!important;max-width:205px!important}.tab-branded-shell .header #box-179373{grid-column:1/-1;grid-row:2}.tab-branded-shell .header #box-179378 .menu-content>.level-1{align-items:stretch;display:block}.tab-branded-shell .header #box-179378 .level-1>li{display:block!important}.tab-branded-shell .header #box-179378 .level-1>li>a{display:block!important;padding:13px 20px!important}.tab-branded-shell .footer #box-110187{grid-template-columns:1fr}.tab-branded-shell .footer #box-110190{border:0!important;padding:0!important}}
@media(max-width:680px){.tab-branded-shell .header #box-179365>.block,.tab-branded-shell .header #box-179371>.block,.tab-branded-shell .header #box-179377>.block,.tab-branded-shell .footer #box-110186>.block,.tab-branded-shell .footer #box-110196>.block{width:calc(100% - 20px)}.tab-branded-shell .header #box-179371>.block{gap:10px;grid-template-columns:minmax(130px,1fr) auto auto}.tab-branded-shell .header #box-179372{max-width:165px!important}.tab-branded-shell .header #box-179372 img{max-height:60px!important;max-width:160px!important}.tab-branded-shell .footer .footer-menu .level-1{grid-template-columns:1fr}.tab-branded-shell .footer .footer-menu .level-2{margin-bottom:10px!important}.tab-branded-shell .footer #box-110192{display:none!important}}