.digital-books{--db-ink: #23364d;--db-muted: #536579;--db-paper: #fffdf9;--db-border: #e6e3dc;margin:2rem 0 3.5rem;color:var(--db-ink);scroll-margin-top:6rem}.digital-books[lang=ar],.db-preview[lang=ar]{font-family:"Baloo Bhaijaan 2 Variable","Baloo Bhaijaan 2",Segoe UI,sans-serif}.db-hero{display:grid;grid-template-columns:1.15fr 1fr;gap:clamp(1.5rem,4vw,3.5rem);padding:clamp(1.25rem,3.5vw,3rem);background:var(--db-paper);background-image:radial-gradient(circle at 5% 5%,#eff8f5 0,transparent 45%);border:1px solid var(--db-border);border-radius:28px;align-items:center}.db-eyebrow{color:#337f77;font-size:.85rem;font-weight:600;margin-bottom:.75rem}.db-intro h2{font-size:clamp(1.8rem,3.6vw,2.65rem);line-height:1.25;letter-spacing:-.025em}.db-lead{color:var(--db-muted);font-size:1.05rem;line-height:1.85;margin-top:1rem}.db-stats{display:flex;gap:clamp(1rem,3vw,2.5rem);padding:1.5rem 0;margin:1.25rem 0;border-block:1px solid var(--db-border)}.db-stats>div{display:flex;flex-direction:column-reverse;gap:.1rem}.db-stats dt{font-size:.8rem;color:var(--db-muted)}.db-stats dd{font-size:clamp(1.3rem,2.7vw,1.8rem);line-height:1.2;font-weight:700}.db-includes{display:grid;gap:.5rem;list-style:none;font-size:.9rem}.db-includes li{display:flex;gap:.65rem;align-items:baseline}.db-includes span{color:#337f77;font-weight:700}.db-offer{padding:1.65rem;border:1px solid var(--db-border);border-radius:20px;background:var(--color-surface);min-width:0}.db-offer-title{font-weight:600;margin-bottom:1.25rem}.db-language-picker{border:0;min-width:0}.db-language-picker legend{font-size:.9rem;font-weight:600;margin-bottom:.6rem}.db-language-picker>div{display:flex;gap:.4rem}.db-language-picker label{flex:1;min-width:0;position:relative;cursor:pointer}.db-language-picker input{position:absolute;opacity:0;width:1px;height:1px}.db-language-picker span{display:flex;align-items:center;justify-content:center;min-height:44px;padding:.5rem .3rem;border:1px solid var(--db-border);border-radius:10px;font-size:.9rem;transition:background .15s}.db-language-picker span[lang=ar]{font-family:"Baloo Bhaijaan 2 Variable","Baloo Bhaijaan 2",Segoe UI,sans-serif}.db-language-picker input:checked+span{background:#e7f3ee;border-color:#337f77;color:#225e58;font-weight:600}.db-language-picker input:focus-visible+span{outline:3px solid #398dcd;outline-offset:3px}.db-language-note,.db-contact-note{color:var(--db-muted);font-size:.8rem;line-height:1.65;margin-top:.6rem}.db-contact-button{display:flex;justify-content:center;align-items:center;gap:.65rem;padding:.9rem 1rem;border-radius:12px;background:#275e58;color:#fff;font-size:.95rem;font-weight:600;text-align:center;min-height:48px;line-height:1.5}.db-contact-button:hover{background:#1c4944}.db-offer .db-contact-button{margin-top:1.2rem;width:100%}.db-email{display:block;width:fit-content;max-width:100%;margin-top:.6rem;color:var(--db-ink);font-size:.85rem;overflow-wrap:anywhere;text-decoration:underline;text-underline-offset:3px}.db-collection-header{margin:2.5rem 0 1.25rem}.db-collection-header h3{font-size:1.5rem}.db-collection-header p{color:var(--db-muted);margin-top:.35rem}.db-book-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1.5rem}.db-book{display:flex;flex-direction:column;border:1px solid var(--db-border);border-radius:20px;overflow:hidden;background:var(--color-surface);--book-accent: #a64049;scroll-margin-top:6rem}.db-book-02{--book-accent: #286898}.db-book-03{--book-accent: #7452a3}.db-book-04{--book-accent: #246e65}.db-book-creative{display:block;width:100%;height:auto;aspect-ratio:5 / 4;object-fit:contain;background:#fffdf9;border-bottom:1px solid var(--db-border)}.db-book-content{display:flex;flex-direction:column;align-items:stretch;padding:1.5rem;flex:1}.db-book-meta{display:flex;justify-content:space-between;gap:1rem;font-size:.8rem;color:var(--db-muted)}.db-book-meta>span:first-child{color:var(--book-accent);font-weight:700}.db-book-stage{color:var(--book-accent);font-size:.8rem;margin:1rem 0 .3rem;font-weight:600}.db-book h4{font-size:1.55rem;line-height:1.4}.db-book-description{color:var(--db-muted);line-height:1.8;margin-top:.65rem}.db-book-features{padding-inline-start:1.15rem;margin:1rem 0 1.5rem;font-size:.9rem;line-height:1.75}.db-book-features li+li{margin-top:.35rem}.db-book-features li::marker{color:var(--book-accent)}.db-preview-button{display:flex;align-items:center;justify-content:space-between;gap:.75rem;margin-top:auto;padding:.8rem 0 0;border-top:1px solid var(--db-border);color:var(--book-accent);text-align:start;font-size:.95rem;font-weight:600;min-height:48px}.db-preview-button:hover{text-decoration:underline;text-underline-offset:4px}.digital-books a:focus-visible,.digital-books button:focus-visible,.db-preview button:focus-visible,.db-preview a:focus-visible{outline:3px solid #398dcd;outline-offset:4px}.db-practice-note{padding:1.25rem;margin-top:1.25rem;color:var(--db-muted);background:var(--db-paper);border:1px solid var(--db-border);border-radius:12px;font-size:.9rem;line-height:1.8}.db-footer{display:flex;align-items:center;justify-content:space-between;gap:2rem;background:var(--db-paper);border:1px solid var(--db-border);border-radius:20px;padding:1.75rem;margin-top:1.5rem}.db-footer h3{font-size:1.4rem}.db-footer p{color:var(--db-muted);font-size:.9rem;margin-top:.3rem}.db-footer .db-contact-button{flex-shrink:0;max-width:40%}.db-footer .db-selected-language{color:var(--db-ink);margin-top:.6rem}.db-preview{position:fixed;inset:0;margin:auto;width:min(960px,calc(100vw - 2rem));max-width:none;max-height:calc(100dvh - 2rem);padding:0;background:var(--color-surface);color:var(--color-text);border:1px solid var(--color-border);border-radius:18px;box-shadow:0 24px 100px #0006}.db-preview[open]{display:flex;flex-direction:column}.db-preview::backdrop{background:#122238ba}.db-preview-header{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:1rem 1.25rem;border-bottom:1px solid var(--color-border)}.db-preview-header p{color:var(--color-text-secondary);font-size:.8rem}.db-preview-header h3{font-size:1.25rem}.db-close{color:inherit;font-size:1.8rem;width:44px;height:44px;flex-shrink:0;background:var(--color-surface-alt);border-radius:50%}.db-preview-options{display:flex;gap:.5rem;padding:.75rem 1.25rem;flex-wrap:wrap;border-bottom:1px solid var(--color-border)}.db-preview-options button{min-height:44px;color:inherit;font-size:.9rem;padding:.5rem .9rem;border:1px solid var(--color-border);border-radius:8px}.db-preview-options button[aria-pressed=true]{background:#275e58;color:#fff;border-color:#275e58}.db-preview-scroll{overflow-y:auto;overscroll-behavior:contain;padding:1rem 1.25rem 1.5rem}.db-preview figure{margin:0}.db-preview figcaption{text-align:center;font-size:.85rem;margin-bottom:1rem}.db-preview img{display:block;width:100%;max-width:750px;height:auto;margin-inline:auto;border-radius:6px}.db-image-link{display:block;width:fit-content;margin:1rem auto;text-decoration:underline;text-underline-offset:4px;font-size:.9rem}.db-sample-note{font-size:.85rem;color:var(--color-text-secondary);line-height:1.7;text-align:center}.db-contact-dialog{width:min(560px,calc(100vw - 2rem))}.db-contact-options>p:first-child{font-size:.95rem;line-height:1.8;margin-bottom:1.25rem}.db-contact-options .db-option-hint{font-size:.8rem;color:var(--db-muted);margin:.45rem 0 1rem;line-height:1.65}.db-mail-app{display:block;padding:.8rem;min-height:44px;border:1px solid var(--db-border);border-radius:12px;text-align:center;font-size:.9rem}.db-copy-address{border-top:1px solid var(--db-border);padding-top:1rem}.db-copy-address label{display:block;font-size:.85rem;margin-bottom:.5rem}.db-copy-address input{width:100%;min-width:0;padding:.65rem;background:var(--color-surface-alt);border:1px solid var(--db-border);border-radius:8px;color:inherit;font-size:.9rem}.db-copy-address button{color:inherit;min-height:44px;padding:.6rem .9rem;border:1px solid var(--db-border);border-radius:8px;margin-top:.65rem;font-size:.9rem}.db-copy-address input:focus-visible{outline:3px solid #398dcd;outline-offset:3px}.db-copy-status{font-size:.85rem;margin-top:.45rem;min-height:1.4em;line-height:1.65}.dark-mode .digital-books{--db-ink: #ecf2f8;--db-muted: #b7c5d3;--db-paper: #162335;--db-border: #354357}.dark-mode .db-hero{background-image:none}.dark-mode .db-eyebrow,.dark-mode .db-includes span{color:#91d0bc}.dark-mode .db-language-picker input:checked+span{color:#ccf5e5;background:#245247;border-color:#81c7b1}.dark-mode .db-book-01{--book-accent: #ffb0b7}.dark-mode .db-book-02{--book-accent: #9dd4fa}.dark-mode .db-book-03{--book-accent: #d5b7ff}.dark-mode .db-book-04{--book-accent: #98dfcd}@media(max-width:950px){.db-hero{grid-template-columns:1fr;gap:1.5rem}.db-offer{max-width:100%}.db-footer{align-items:stretch;flex-direction:column;gap:1rem}.db-footer .db-contact-button{max-width:100%}}@media(max-width:680px){.digital-books{margin-top:1.5rem}.db-book-grid{grid-template-columns:1fr;gap:1.25rem}.db-hero{border-radius:20px;padding:1.1rem}.db-offer{padding:1.1rem}.db-book-content{padding:1.25rem}.db-book h4{font-size:1.4rem}.db-collection-header{padding-inline:.5rem}.db-preview{width:calc(100vw - 1rem);max-height:calc(100dvh - 1rem);border-radius:12px}.db-preview-header,.db-preview-options,.db-preview-scroll{padding-inline:.75rem}.db-preview-options{gap:.35rem}.db-preview-options button{flex:1 1 40%;padding-inline:.4rem}}