/* Course detail: editorial content, actual course imagery and transparent checkout. */
.course-detail{padding-top:116px;padding-bottom:72px;--pd-panel:var(--bg-2);--pd-border:var(--line)}
.pd-breadcrumb{display:flex;flex-wrap:wrap;gap:10px;font-size:11px;line-height:1.6;color:var(--mute);margin-bottom:32px}.pd-breadcrumb a:hover{color:var(--acc)}
.pd-eyebrow{font-family:var(--mono);font-size:10px;letter-spacing:.1em;line-height:1.6;color:var(--acc);display:block;font-weight:600;margin-bottom:12px}
.pd-heading{max-width:1040px;margin-bottom:40px}.pd-heading h1{font-family:var(--display);font-size:clamp(32px,4.3vw,56px);line-height:1.08;letter-spacing:-.045em;font-weight:600;text-wrap:balance;margin:0 0 20px}.pd-heading>p{font-size:15px;line-height:1.75;max-width:660px;color:var(--mute)}
.pd-layout{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(310px,1fr);gap:48px;align-items:start}.pd-main{min-width:0}.pd-stage{border:1px solid var(--line);border-radius:18px;overflow:hidden;background:var(--bg-2);position:relative}.pd-image-label{position:absolute;z-index:1;top:18px;left:18px;font-size:10px;line-height:1.5;padding:6px 10px;border-radius:6px;background:var(--bg);color:var(--mute);border:1px solid var(--line)}.pd-image-button{display:flex;position:relative;align-items:center;justify-content:center;width:100%;height:460px;padding:60px 30px 55px;cursor:zoom-in;border:0;background:transparent}.pd-image-button>img{width:100%;height:100%;object-fit:contain;filter:drop-shadow(0 12px 18px #0002)}.pd-zoom{position:absolute;bottom:18px;right:18px;background:var(--bg);border:1px solid var(--line);border-radius:6px;padding:7px 10px;font-size:11px;color:var(--fg)}.pd-thumbnails{display:flex;gap:10px;margin-top:14px;overflow-x:auto;padding:2px 2px 8px}.pd-thumb{flex:0 0 76px;height:68px;padding:7px;border:1px solid var(--line);border-radius:8px;background:var(--bg-2);cursor:pointer}.pd-thumb img{width:100%;height:100%;object-fit:contain}.pd-thumb.is-selected{border:2px solid var(--acc);padding:6px}.pd-gallery-caption{font-size:11px;line-height:1.65;color:var(--mute);margin-top:6px}.pd-gallery noscript a{display:block;text-decoration:underline;font-size:12px}
.pd-section-nav{display:flex;gap:24px;padding:22px 0;border-bottom:1px solid var(--line);margin:12px 0 0;font-size:12px;font-weight:550}.pd-section-nav a{padding:4px 0}.pd-section-nav a:hover{color:var(--acc)}.pd-main section[id]{scroll-margin-top:104px}
.course-detail h2{font-family:var(--display);font-size:30px;line-height:1.15;letter-spacing:-.035em;font-weight:600;margin:0 0 22px}.pd-highlights,.pd-content-section,.pd-delivery,.pd-faq{padding:42px 0;border-bottom:1px solid var(--line)}.pd-section-lead{font-size:13px;line-height:1.75;color:var(--mute);margin:-8px 0 30px}.pd-highlights ul{display:grid;gap:16px;list-style:none;padding:0}.pd-highlights li{font-size:14px;line-height:1.75;padding:0 0 16px 22px;position:relative;border-bottom:1px solid var(--line)}.pd-highlights li:before{content:'↗';color:var(--acc);position:absolute;left:0}.pd-highlights>a{display:inline-block;margin-top:22px;font-size:12px;color:var(--acc)}
.pd-copy{font-size:15px;line-height:1.9;overflow-wrap:anywhere}.pd-copy p{margin:0 0 20px}.pd-copy h2,.pd-copy h3,.pd-copy h4{font-family:var(--display);color:var(--fg);font-size:23px;line-height:1.3;letter-spacing:-.025em;margin:36px 0 18px;font-weight:600;text-wrap:balance}.pd-copy h2:first-child,.pd-copy h3:first-child,.pd-copy h4:first-child{margin-top:0}.pd-copy h2 b,.pd-copy h3 b,.pd-copy h4 b,.pd-copy h2 strong,.pd-copy h3 strong,.pd-copy h4 strong{font-weight:600}.pd-copy b,.pd-copy strong{font-weight:600}.pd-copy ul,.pd-copy ol{padding-left:23px;margin:22px 0}.pd-copy li{padding-left:5px;margin:12px 0}.pd-copy li::marker{color:var(--acc)}.pd-copy li p{margin:0}.pd-copy table{display:block;max-width:100%;overflow:auto;font-size:13px}.pd-copy td,.pd-copy th{padding:10px;border:1px solid var(--line)}.pd-copy a{text-decoration:underline;text-underline-offset:3px}.pd-copy [style]{font-family:inherit!important;font-size:inherit!important;background:transparent!important;color:inherit!important}.pd-copy>h4:empty{display:none}
.pd-delivery ol{list-style:none;padding:0;display:grid;gap:24px}.pd-delivery li{display:flex;align-items:flex-start;gap:18px}.pd-delivery li>b{width:34px;height:34px;border:1px solid var(--line);border-radius:50%;font-family:var(--mono);font-size:11px;display:grid;place-items:center;flex:none;color:var(--acc)}.pd-delivery h3{font-size:15px;font-weight:600;margin-bottom:6px}.pd-delivery p{font-size:13px;line-height:1.75;color:var(--mute)}
.pd-purchase{position:sticky;top:98px;min-width:0}.pd-purchase-inner{border:1px solid var(--line-2);background:var(--bg-2);border-radius:18px;padding:30px}.pd-purchase-kicker{font-family:var(--mono);font-size:10px;letter-spacing:.13em;color:var(--mute);display:block;margin-bottom:14px}.pd-purchase h2{font-size:25px;line-height:1.2;margin-bottom:28px}.pd-price-line{display:grid;grid-template-columns:.8fr 1.2fr;align-items:end;gap:16px;padding-bottom:14px}.pd-reference,.pd-current{display:grid;gap:10px}.pd-reference{color:var(--mute)}.pd-reference>span,.pd-current>span{font-size:11px}.pd-reference del{font-size:17px;line-height:32px;font-weight:400;white-space:nowrap}.pd-current{border-left:1px solid var(--line);padding-left:18px;color:var(--acc)}.pd-current strong{font-size:30px;line-height:32px;font-family:var(--display);font-weight:650;letter-spacing:-.9px;white-space:nowrap}.pd-currency{font-size:10px;line-height:1.6;color:var(--mute);margin:0 0 24px}.pd-add{width:100%;justify-content:space-between;min-height:52px;padding:16px 22px;font-size:14px;border-radius:10px}.pd-add>span{font-size:23px;font-weight:400}.pd-content-shortcut{display:block;text-align:center;font-size:11px;color:var(--mute);text-decoration:underline;text-underline-offset:4px;padding:18px 0}.pd-buy-facts{padding:8px 0 20px;display:grid;gap:18px}.pd-buy-facts>div{display:flex;align-items:flex-start;gap:12px}.pd-buy-facts b{font-family:var(--mono);font-size:10px;color:var(--acc);padding-top:3px;font-weight:400}.pd-buy-facts p{display:grid;gap:4px;font-size:12px;line-height:1.5}.pd-buy-facts strong{font-weight:550}.pd-buy-facts span{font-size:11px;color:var(--mute)}.pd-quantity{border-top:1px solid var(--line);padding-top:20px}.pd-quantity>strong{font-size:12px;font-weight:600}.pd-quantity p{font-size:11px;line-height:1.8;color:var(--mute);margin-top:8px}.pd-prelaunch{font-size:10px;line-height:1.65;color:var(--mute);margin-top:20px;padding:12px;border:1px dashed var(--line-2);border-radius:8px}.pd-prelaunch span{color:var(--acc);margin-right:4px}.pd-policy-links{display:flex;gap:20px;margin-top:18px;font-size:10px;text-decoration:underline;text-underline-offset:4px;color:var(--mute)}
.pd-pack{padding:28px;background:var(--bg-2);border:1px solid var(--line);border-radius:14px;margin-top:36px}.pd-pack h2{font-size:26px}.pd-pack p{font-size:13px;line-height:1.8;color:var(--mute)}.pd-pack>div{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-top:24px}.pd-pack strong{font-size:23px;white-space:nowrap}.pd-pack a{font-size:12px;color:var(--acc)}.pd-faq details{border-top:1px solid var(--line);padding:0}.pd-faq summary{font-size:14px;font-weight:550;line-height:1.6;padding:20px 26px 20px 0;cursor:pointer}.pd-faq details p{font-size:13px;line-height:1.85;color:var(--mute);padding:0 0 24px}.pd-faq a{color:var(--fg);text-decoration:underline}.pd-disclosure{font-size:11px;line-height:1.8;color:var(--mute);padding:24px 0}.pd-related{margin-top:64px}.pd-related>div{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.pd-related-card{display:flex;align-items:center;gap:15px;padding:20px;background:var(--bg-2);border:1px solid var(--line);border-radius:12px;transition:border-color .2s}.pd-related-card:hover{border-color:var(--acc)}.pd-related-card>img{width:62px;height:88px;object-fit:contain;flex:none}.pd-related-card>div{min-width:0;flex:1}.pd-related-card div>span{font-size:9px;color:var(--mute)}.pd-related-card h3{font-size:14px;line-height:1.4;font-weight:550;margin:7px 0 12px}.pd-related-card strong{font-size:15px;color:var(--acc)}.pd-related-card>span{color:var(--mute)}
.pd-lightbox{width:min(1280px,calc(100% - 32px));max-width:none;height:calc(100dvh - 32px);max-height:none;margin:auto;background:var(--bg);color:var(--fg);border:1px solid var(--line);border-radius:14px;padding:0;overflow:hidden}.pd-lightbox::backdrop{background:#000c;backdrop-filter:blur(6px)}.pd-lightbox[open]{display:flex;flex-direction:column}.pd-lightbox-toolbar,.pd-lightbox-controls{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:16px 22px;font-size:12px;flex:none}.pd-lightbox-toolbar{border-bottom:1px solid var(--line)}.pd-lightbox-toolbar button,.pd-lightbox-controls button{padding:10px 14px;background:var(--bg-2);border:1px solid var(--line);border-radius:7px;font-size:12px}.pd-lightbox-image{min-height:0;flex:1;overflow:auto;display:flex;align-items:center;justify-content:center;padding:20px}.pd-lightbox-image img{max-width:100%;max-height:100%;object-fit:contain}.pd-lightbox-controls{border-top:1px solid var(--line)}.pd-thumb:focus-visible,.pd-image-button:focus-visible,.pd-lightbox button:focus-visible{outline:3px solid var(--acc);outline-offset:3px}
@media(max-width:1000px){.pd-layout{gap:28px;grid-template-columns:minmax(0,1.25fr) minmax(300px,1fr)}.pd-purchase-inner{padding:24px}.pd-current strong{font-size:27px}.pd-image-button{height:400px}.pd-related>div{grid-template-columns:1fr}.pd-related-card{padding:18px}.pd-related-card>img{width:56px;height:72px}}
@media(max-width:760px){.course-detail{padding-top:100px}.pd-breadcrumb{font-size:10px;gap:7px;margin-bottom:24px}.pd-heading{margin-bottom:28px}.pd-heading h1{font-size:34px;line-height:1.12;margin-bottom:16px}.pd-heading>p{font-size:13px;line-height:1.75}.pd-layout{display:flex;flex-direction:column;gap:28px}.pd-main{display:contents}.pd-gallery{order:1;width:100%}.pd-purchase{order:2;position:static;width:100%}.pd-section-nav{order:3;width:100%;gap:20px;font-size:11px;padding-top:0;margin-top:0}.pd-highlights{order:4}.pd-content-section{order:5}.pd-delivery{order:6}.pd-pack{order:7}.pd-faq{order:8}.pd-disclosure{order:9;padding-top:0}.pd-gallery-caption{font-size:10px}.pd-image-button{height:340px;padding:54px 24px 50px}.pd-image-label{top:14px;left:14px}.pd-zoom{bottom:14px;right:14px}.pd-thumb{flex-basis:68px;height:60px}.pd-purchase-inner{padding:24px}.pd-purchase h2{font-size:24px;margin-bottom:24px}.pd-price-line{grid-template-columns:1fr 1fr;gap:20px}.pd-current strong{font-size:30px}.pd-buy-facts{gap:16px;padding-top:6px}.pd-buy-facts>div{gap:14px}.pd-buy-facts p{font-size:13px}.pd-buy-facts span{font-size:12px}.pd-prelaunch{margin-top:18px}.course-detail h2{font-size:27px}.pd-highlights,.pd-content-section,.pd-delivery,.pd-faq{width:100%;padding:12px 0 28px}.pd-copy{font-size:14px;line-height:1.85}.pd-copy h2,.pd-copy h3,.pd-copy h4{font-size:21px;margin-top:30px}.pd-pack{width:100%;margin-top:0;padding:24px}.pd-pack>div{flex-wrap:wrap}.pd-related{margin-top:42px}.pd-lightbox{width:calc(100% - 16px);height:calc(100dvh - 16px);border-radius:10px}.pd-lightbox-toolbar,.pd-lightbox-controls{padding:12px;gap:10px;font-size:10px}.pd-lightbox-image{padding:8px}.pd-lightbox-controls button{font-size:11px;padding:10px}.pd-faq summary{font-size:13px}}
.pd-current strong{font-size:28px}.pd-price-line{grid-template-columns:.8fr 1.2fr;gap:12px}.pd-reference del{font-size:15px}.pd-current{padding-left:14px}
@media(max-width:1000px) and (min-width:761px){.pd-current strong{font-size:23px}.pd-reference del{font-size:13px}.pd-purchase-inner{padding:22px}}
@media(max-width:760px){.pd-current strong{font-size:26px}.pd-price-line{grid-template-columns:.8fr 1.2fr;gap:12px}.pd-current{padding-left:12px}}

.pd-lightbox-image.is-native{display:block}.pd-lightbox-image.is-native img{max-width:none;max-height:none;width:auto;height:auto}.pd-lightbox-toolbar>span{flex:1}.pd-lightbox-toolbar button[aria-pressed="true"]{border-color:var(--acc);color:var(--acc)}
@media(max-width:600px){.pd-lightbox-toolbar{flex-wrap:wrap}.pd-lightbox-toolbar>span{flex-basis:100%}.pd-lightbox-toolbar button{font-size:11px;padding:8px 12px}}
/* Edition 12: readable course outlines and a consistent mobile purchase action. */
.pd-at-a-glance{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;padding:24px 0;margin-top:12px;border-bottom:1px solid var(--line)}.pd-at-a-glance>div{display:grid;gap:7px}.pd-at-a-glance span{font-size:10px;line-height:1.5;color:var(--mute)}.pd-at-a-glance strong{font-size:13px;font-weight:550;line-height:1.5}.pd-scope-note{font-size:11px;line-height:1.8;color:var(--mute);padding:16px;border:1px solid var(--line);border-radius:8px;margin-bottom:22px}
.pd-module{border:1px solid var(--line);border-radius:10px;margin:12px 0;background:var(--bg-2);overflow:hidden}.pd-module>summary{display:flex;align-items:center;justify-content:space-between;gap:18px;cursor:pointer;padding:20px;font-size:16px;line-height:1.5;font-weight:600;list-style:none}.pd-module>summary::-webkit-details-marker{display:none}.pd-module-icon{font-size:22px;color:var(--acc);flex:none;font-weight:400;transition:transform .2s}.pd-module[open] .pd-module-icon{transform:rotate(45deg)}.pd-module-body{padding:0 20px 4px}.pd-module-body>p:first-child{padding-top:5px}.pd-module-body ul,.pd-module-body ol{margin-top:8px}.pd-module>summary:focus-visible,.pd-section-nav a:focus-visible,.pd-add:focus-visible{outline:2px solid var(--acc);outline-offset:-4px}.pd-module-tools{display:flex;justify-content:flex-end;margin:0 0 18px}.pd-module-tools button{font:inherit;font-size:12px;color:var(--acc);border:1px solid var(--line);border-radius:7px;padding:10px 14px;background:var(--bg-2);cursor:pointer}
.pd-mobile-buy{display:none}.pd-skip{position:fixed;top:10px;left:12px;transform:translateY(-150%);z-index:999;background:var(--acc);color:var(--bg);padding:14px 20px;border-radius:8px}.pd-skip:focus{transform:translateY(0)}
@media(max-width:760px){.pd-at-a-glance{order:3;width:100%;margin:0;padding:0 0 24px;gap:12px}.pd-at-a-glance strong{font-size:12px}.pd-at-a-glance span{font-size:10px}.pd-module>summary{font-size:15px;padding:18px}.pd-module-body{padding:0 18px 2px}.course-detail{padding-bottom:110px}.pd-mobile-buy:not([hidden]){display:flex;position:fixed;z-index:75;bottom:0;left:0;right:0;align-items:center;justify-content:space-between;gap:18px;background:var(--bg);border-top:1px solid var(--line-2);padding:12px 20px calc(12px + env(safe-area-inset-bottom));box-shadow:0 -10px 35px #0002}.pd-mobile-buy>div{display:grid;gap:5px;flex:none}.pd-mobile-buy>div>span{font-size:9px;color:var(--mute)}.pd-mobile-buy strong{font-size:20px;font-family:var(--display);color:var(--acc)}.pd-mobile-buy button{min-height:48px;font-size:12px;padding:12px 18px;gap:14px;border-radius:9px;white-space:nowrap}.pd-mobile-buy button span{font-size:20px}.pd-copy{line-height:1.85}.pd-lightbox{z-index:100}}
@media(prefers-reduced-motion:reduce){.course-detail *, .pd-mobile-buy{scroll-behavior:auto!important;transition:none!important;animation:none!important}}