/* V4.6: product identity, reader-only companion previews and compact promo rounds. */
.book-object{text-decoration:none}
.skip:not(:focus){opacity:0}
.chapter-inner{padding-bottom:64px;gap:6%}
.edition-signature{display:flex;align-items:center;gap:25px;margin-bottom:32px}
.edition-cover{display:block;flex:none;width:104px;padding:0;border:0;background:none;perspective:800px;--tilt:-4deg}
.edition-cover .paperback{filter:drop-shadow(9px 12px 9px #0009)}
.edition-cover:hover .paperback,.edition-cover:focus-visible .paperback{transform:rotate(0) rotateY(-6deg) translateY(-4px)}
.bizeps-chapter .edition-cover .paperback::after{width:3.5389%}
.edition-signature>div{min-width:0}
.edition-signature .eyebrow{font-size:10px;line-height:1.6;letter-spacing:.08em;max-width:250px}
.edition-name{font-size:17px;line-height:1.4;margin-top:10px;color:var(--cream)}
.edition-name strong{display:block;font-weight:700}
.edition-author{font-size:12px;color:#c9c7b6;margin-top:9px}
.purchase-actions{gap:14px 25px}
.purchase-button{display:inline-flex;align-items:center;justify-content:center;min-height:52px;padding:13px 22px;border:1px solid #ebc67e88;border-radius:6px;background:#efd2a2;color:#1b291f;font-size:16px;font-weight:700;line-height:1.4;box-shadow:0 5px 16px #0002}
.purchase-button:disabled{opacity:1;color:#263b30;background:#d3c3a4;border-color:#d3c3a4;cursor:default}
.chapter-copy .sale-status{font-size:12px!important;line-height:1.4!important;color:#c4bfab!important;margin-top:14px}
.chapter-copy .format{margin-top:14px;font-size:12px;line-height:1.5}
.companion-showcase{position:relative;display:grid;grid-template-columns:minmax(250px,380px) minmax(0,510px);align-items:center;justify-content:center;gap:clamp(40px,7vw,110px);width:min(1240px,calc(100% - 80px));margin:0 auto;padding:75px 25px 100px;border-top:1px solid #e7c68a35}
.companion-copy{min-width:0}
.companion-copy h3{font-family:Inter,'Segoe UI',sans-serif;font-size:clamp(2.1rem,3.7vw,3.3rem);letter-spacing:-.055em;line-height:1.1;margin:18px 0 24px;text-wrap:balance}
.companion-copy h3 em{font-style:normal;color:var(--gold)}
.companion-copy>p:not(.eyebrow){font-size:16px;line-height:1.75;color:#e0e1d1}
.companion-steps{list-style:none;counter-reset:app-step;padding:0;margin:25px 0;display:grid;gap:14px}
.companion-steps li{counter-increment:app-step;display:grid;grid-template-columns:28px 1fr;gap:12px;font-size:15px;line-height:1.6;color:#e5e2d0}
.companion-steps li::before{content:counter(app-step,decimal-leading-zero);color:var(--gold);font-size:12px;font-weight:700;line-height:24px}
.companion-copy .reader-access{font-size:14px!important;color:#f3dba9!important;padding-top:20px;border-top:1px solid #edd3a32e}
.phone-preview{display:flex;flex-direction:column;align-items:center;min-width:0}
.phone-frame{position:relative;isolation:isolate;width:min(100%,260px);margin:0;border:7px solid #101818;border-radius:30px;overflow:hidden;box-shadow:0 0 0 1px #f3d99950,16px 24px 45px #0009;background:#0c1e1b}
.phone-frame::before{content:'';position:absolute;z-index:2;top:4px;left:50%;width:52px;height:5px;border-radius:5px;background:#101818;transform:translateX(-50%);pointer-events:none}
.phone-screen{display:block;width:100%;height:auto;aspect-ratio:390/880;object-fit:contain;background:#0c1e1b}
.companion-showcase--bizeps .phone-screen{aspect-ratio:390/844}
.screen-switch{display:flex;gap:3px;justify-content:center;flex-wrap:wrap;margin-top:22px;padding:3px;border:1px solid #f2c77b40;border-radius:30px;background:#10271fb3}
.screen-switch button{min-height:44px;padding:10px 16px;border:0;border-radius:25px;background:none;color:#e6e0cb;font-size:14px;line-height:1.4}
.screen-switch button[aria-pressed=true]{background:#efd2a2;color:#17251d;font-weight:650}
.phone-note{font-size:12px;line-height:1.6;color:#bfc7b6;margin-top:12px}
.companion-showcase--bizeps .phone-preview{grid-column:2;grid-row:1}
.companion-showcase--bizeps .companion-copy{grid-column:1;grid-row:1}
.companion-showcase--bizeps{grid-template-columns:minmax(0,510px) minmax(250px,380px)}
.mini-round{margin-top:28px;border:1px solid #f2c77b40;border-radius:10px;background:#081d17a6;overflow:hidden}
.mini-round summary{display:flex;gap:20px;align-items:center;justify-content:space-between;min-height:58px;padding:16px 20px;font-size:15px;font-weight:600;color:var(--cream);cursor:pointer;list-style:none}
.mini-round summary::-webkit-details-marker{display:none}
.mini-round summary>span{font-size:22px;font-weight:400;color:var(--gold);line-height:1;transition:transform .25s}
.mini-round[open] summary>span{transform:rotate(45deg)}
.mini-round summary:focus-visible{outline:3px solid #ffe7af;outline-offset:-5px}
.mini-round-body{border-top:1px solid #f2c77b30;padding:20px}
.mini-kicker{font-size:11px;letter-spacing:.11em;text-transform:uppercase;font-weight:700;color:var(--gold);margin-bottom:12px}
.mini-question{font-size:16px;line-height:1.7;color:var(--cream)}
.quiz-answers{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.quiz-answers button,.timer-play{min-height:48px;padding:11px 20px;border:1px solid #edd4a160;border-radius:7px;background:#163b2c;color:var(--cream);font-size:16px;line-height:1.45}
.quiz-answers button[aria-pressed=true]{border-color:var(--gold);background:#efd2a2;color:#17251d}
.quiz-answers button:hover,.timer-play:hover{border-color:var(--gold)}
.quiz-answers button:disabled{opacity:1;cursor:default}
.mini-feedback{font-size:14px;line-height:1.7;color:#f3dba9;min-height:48px;margin-top:18px}
.mini-reset{min-height:44px;padding:8px 0;border:0;border-bottom:1px solid #f2c77b66;background:none;color:var(--cream);font-size:14px}
.mini-reset[hidden]{display:none}
.timer-play{display:block;width:100%;margin-top:20px;font-weight:600}
.timer-play[data-running=true]{background:#efd2a2;color:#17251d;border-color:var(--gold)}
@media(min-width:901px) and (max-width:1100px){.edition-signature{gap:18px}.edition-cover{width:86px}.purchase-actions{gap:10px 18px}.purchase-button{padding:13px 18px}.companion-showcase{width:calc(100% - 70px);grid-template-columns:minmax(210px,280px) minmax(0,1fr);gap:40px}.companion-showcase--bizeps{grid-template-columns:minmax(0,1fr) minmax(210px,280px)}}
@media(max-width:900px){
 .chapter-inner{padding-top:70px;padding-bottom:56px;gap:36px}
 .edition-signature{gap:22px;margin-bottom:28px}
 .edition-cover{width:95px}
 .edition-signature .eyebrow{font-size:10px}
 .edition-name{font-size:16px}
 .chapter-copy h2,.bizeps-chapter .chapter-copy h2{font-size:clamp(2.4rem,10vw,4rem)}
 .purchase-actions{gap:12px 22px}
 .purchase-button{font-size:16px}
 .companion-showcase,.companion-showcase--bizeps{width:calc(100% - 48px);grid-template-columns:minmax(0,1fr);padding:52px 0 70px;gap:38px}
 .companion-copy,.companion-showcase--bizeps .companion-copy{grid-column:1;grid-row:1;width:100%;max-width:500px;margin:auto}
 .phone-preview,.companion-showcase--bizeps .phone-preview{grid-column:1;grid-row:2}
 .companion-copy h3{font-size:clamp(2.2rem,8.5vw,3.2rem)}
 .companion-copy>p:not(.eyebrow){font-size:15px}
 .companion-steps li{font-size:14px}
 .phone-frame{width:min(100%,265px)}
 .mini-round summary{padding:16px;font-size:14px}
 .mini-round-body{padding:18px 16px}
}
@media(max-width:360px){.edition-signature{gap:18px}.edition-cover{width:78px}.edition-name{font-size:15px}.edition-signature .eyebrow{font-size:9px}.companion-showcase{width:calc(100% - 40px)}.companion-copy h3{font-size:2.1rem}.purchase-actions{column-gap:16px}.purchase-button{width:100%}.quiz-answers{gap:8px}.quiz-answers button{flex:1;padding:11px 12px}.screen-switch button{padding:10px 14px}}
@media(prefers-reduced-motion:reduce){.edition-cover:hover .paperback,.edition-cover:focus-visible .paperback{transform:none}}