/* Chapter navigation follows the same nine chapters as the presentation. */
.chapter-menu{height:100svh;overflow:auto;overscroll-behavior:contain}
.chapter-menu nav{display:grid;grid-template-columns:1fr 1fr;gap:18px 7vw;padding:5svh 6vw}
.chapter-menu nav a{font-size:clamp(28px,3.9vw,56px);line-height:1.12;gap:18px;min-width:0}
.chapter-menu>p{margin-left:6vw;padding-bottom:24px}
.chapter-menu nav span{flex:0 0 18px}
.lightbox-image-area{position:relative}
.lightbox-image-area[aria-busy="true"]:after{content:'Carregando…';position:absolute;bottom:8px;left:50%;transform:translateX(-50%);font-size:12px;color:#d6efff;background:#06142cd9;padding:7px 14px;border-radius:16px}
.lightbox-image-area img{transition:opacity .15s}
@media(max-width:600px){.chapter-menu nav{grid-template-columns:1fr;gap:13px;padding:30px 0}.chapter-menu nav a{font-size:clamp(25px,7.5vw,34px);gap:17px}.chapter-menu>p{margin-left:0;font-size:15px}.menu-top{font-size:10px}}
@media(max-height:520px) and (min-width:601px){.chapter-menu nav{padding-block:20px;gap:10px 5vw}.chapter-menu nav a{font-size:27px}.chapter-menu>p{font-size:13px}}