.bk-sec{padding:140px 48px}.bk-hero{padding:84px 48px 120px}.bk-dark{padding:140px 48px}.bk-cta{padding:180px 48px 200px}.bk-claim{padding:150px 48px 130px}.bk-hero-grid{grid-template-columns:1fr 1fr;grid-template-areas:"cover text""cover cta";gap:44px 80px;display:grid}.bk-hero-cover{grid-area:cover;align-self:center}.bk-hero-text{grid-area:text;align-self:end}.bk-hero-cta{grid-area:cta;align-self:start}.bk-grid-2{grid-template-columns:1fr 1fr;gap:64px;display:grid}.bk-grid-3{grid-template-columns:repeat(3,1fr);display:grid}.bk-grid-3g{grid-template-columns:repeat(3,1fr);gap:56px;display:grid}.bk-grid-5{grid-template-columns:repeat(5,1fr);display:grid}.bk-author-grid{grid-template-columns:.8fr 1.4fr;align-items:start;gap:72px;display:grid}.bk-chapter-row{grid-template-columns:56px 220px 1fr;align-items:baseline;gap:28px;display:grid}.bk-faq-row{grid-template-columns:40px 1fr;align-items:baseline;gap:24px;display:grid}.bk-h1{font-size:76px;line-height:.9}.bk-claim-h{font-size:50px;line-height:1.06}.bk-h2{font-size:46px;line-height:1.05}.bk-cta-h{font-size:56px;line-height:1}.bk-h2-sm{font-size:42px;line-height:1.05}.bk-lede{font-size:23px}.bk-card-n{font-size:54px}.bk-btn{background:var(--flame);color:#fff;cursor:pointer;font-family:var(--font-courier), "Courier New", monospace;text-transform:uppercase;letter-spacing:.22em;border:none;border-radius:4px;justify-content:center;align-items:center;padding:17px 38px;font-size:12px;font-weight:700;transition:background .15s;display:inline-flex}.bk-btn:hover{background:var(--flame-deep)}.bk-btn:disabled{opacity:.55;cursor:not-allowed}.bk-btn-nav{letter-spacing:.2em;padding:10px 18px;font-size:10px}.bk-btn-lg{padding:21px 46px;font-size:13px}.bk-btn-bone{background:var(--bone);color:var(--flame-deep)}.bk-btn-bone:hover{background:#fff}.bk-nav-inner{justify-content:space-between;align-items:center;height:60px;padding:0 48px;display:flex}.bk-cover{aspect-ratio:2/3;flex-shrink:0;width:400px;position:relative}.bk-footer-inner{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:24px;display:flex}@media (max-width:768px){.bk-sec{padding:72px 20px}.bk-hero{padding:40px 20px 64px}.bk-dark{padding:72px 20px}.bk-cta{padding:96px 20px 112px}.bk-claim{padding:72px 20px}.bk-hero-grid{grid-template-columns:1fr;grid-template-areas:unset;gap:36px}.bk-hero-cover{grid-area:unset;order:1}.bk-hero-text{grid-area:unset;order:2}.bk-hero-cta{grid-area:unset;order:3}.bk-grid-2{grid-template-columns:1fr;gap:40px}.bk-grid-3{grid-template-columns:1fr}.bk-grid-3g{grid-template-columns:1fr;gap:40px}.bk-grid-5{grid-template-columns:1fr 1fr}.bk-author-grid{grid-template-columns:1fr;gap:36px}.bk-chapter-row{grid-template-rows:auto auto;grid-template-columns:44px 1fr;gap:6px 12px}.bk-chapter-desc{grid-column:2}.bk-faq-row{grid-template-columns:30px 1fr;gap:12px}.bk-h1{letter-spacing:-.02em!important;font-size:44px!important}.bk-claim-h{font-size:30px!important}.bk-h2{font-size:28px!important}.bk-cta-h{font-size:34px!important}.bk-h2-sm{font-size:26px!important}.bk-lede{font-size:19px!important}.bk-card-n{font-size:40px!important}.bk-nav-inner{height:auto;padding:12px 20px}.bk-cover{width:min(360px,86vw)!important}.bk-footer-inner{flex-direction:column;align-items:flex-start;gap:16px}.bk-grid-5>:nth-child(odd){border-left:none!important}}@media (min-width:769px) and (max-width:1024px){.bk-h1{font-size:56px}.bk-claim-h{font-size:38px}.bk-h2{font-size:34px}.bk-cta-h{font-size:44px}.bk-grid-5{grid-template-columns:repeat(3,1fr)}.bk-hero{padding:64px 40px 88px}.bk-sec{padding:104px 40px}.bk-hero-grid{column-gap:48px}}