:root{color-scheme:dark;--bg:#131116;--surface:#1c1721;--purple:#c3a0e7;--bright:#e5c7ff;--text:#f5f2f6;--muted:#bdb3c7;--line:#ffffff1b;font-family:"Avenir Next",Avenir,"Helvetica Neue",Arial,sans-serif;color:var(--text);background:var(--bg)}*{box-sizing:border-box}body{margin:0}button,input{font:inherit}button,a,input{-webkit-tap-highlight-color:transparent}button{color:inherit;cursor:pointer}a{color:inherit;text-decoration:none}button{border:0;background:none}a:hover,button:hover{color:var(--bright)}a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--purple);outline-offset:5px}button:disabled{cursor:default;opacity:.55}[hidden]{display:none!important}svg{width:20px;height:20px;flex-shrink:0}p{color:var(--muted);font-size:15px;line-height:1.8;margin:0 0 20px}h1,h2,h3{font-weight:300;margin:0}h1{font-size:clamp(40px,4.3vw,64px);line-height:1.1;letter-spacing:-.025em}h2{font-size:clamp(27px,2.7vw,38px);line-height:1.2}h3{font-size:26px;line-height:1.25}.eyebrow{display:block;font-size:10px;line-height:1.6;letter-spacing:.17em;color:var(--purple);margin:0 0 16px;text-transform:uppercase}.masthead{padding:26px 4.5%;display:flex;justify-content:space-between;align-items:center;gap:24px}.wordmark{font-size:16px;letter-spacing:.22em;white-space:nowrap}.wordmark span{display:block;font-size:10px;margin-top:8px;color:var(--muted);letter-spacing:.22em}.wordmark:hover,.wordmark:focus-visible,.wordmark:hover span,.wordmark:focus-visible span{color:var(--purple);text-shadow:0 0 16px #a76bd799}.masthead nav{display:flex;align-items:center;gap:28px;font-size:13px}.button{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:13px 22px;font-size:13px;border:1px solid #c3a0e766;line-height:1.4;color:var(--bright);transition:box-shadow .2s,background-color .2s,transform .12s}.button.small{padding:11px 17px;background:#2b173d99}.button.primary{background:#b88be1;color:#1c1026;border-color:#cda6f0}.button:hover{background-color:#70419866;box-shadow:inset 0 0 22px #c995f030}.button.primary:hover{background-color:#c8a0eb;color:#1c1026}.button:active{transform:translateY(1px)}main{max-width:1680px;margin:auto;padding:0 4.5%}.preview-bar{display:flex;justify-content:space-between;align-items:center;gap:20px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:12px 0}.preview-bar p{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:11px;line-height:1.5;margin:0}.preview-bar strong{font-weight:500;color:var(--purple)}.preview-dot{width:5px;height:5px;border-radius:50%;background:var(--purple)}.preview-explanation{color:#a497b0}.view-toggle{display:flex;gap:8px;align-items:center;font-size:11px;white-space:nowrap}.view-toggle>span{color:var(--muted);margin-right:7px}.view-toggle button{padding:8px 10px;min-height:36px;color:var(--muted)}.view-toggle button[aria-pressed=true]{color:var(--bright);background:#c3a0e71a}.intro{padding:42px 0 36px}.intro .eyebrow{margin-bottom:13px}.intro>p:last-child{font-size:16px;margin:18px 0 0}.library-toolbar{display:flex;justify-content:space-between;align-items:center;gap:24px;scroll-margin-top:12px;border-bottom:1px solid var(--line);padding:0 0 15px}.filters{display:flex;align-items:center;gap:28px}.filters button{padding:13px 0;min-height:44px;white-space:nowrap;font-size:13px;color:var(--muted);border-bottom:2px solid transparent}.filters button[aria-pressed=true]{color:var(--bright);border-color:var(--purple)}.filters button:hover{text-shadow:0 0 16px #a76bd799;color:var(--bright)}.search{display:flex;align-items:center;gap:11px;color:#a497b0;min-width:220px}.search input{width:220px;max-width:100%;padding:12px 0;border:0;background:none;color:var(--text);font-size:13px}.search input::placeholder{color:#a497b0}.library-section{padding-top:36px;margin-bottom:58px}.section-heading{display:flex;align-items:baseline;justify-content:space-between;gap:20px;margin-bottom:24px}.section-heading h2{font-size:27px}.section-heading p{font-size:12px;margin:0;color:#a497b0}.course-feature{display:grid;grid-template-columns:1.08fr 1fr;min-height:380px;background:var(--surface)}.course-image{position:relative;padding:0;overflow:hidden;min-height:380px}.course-image>img{display:block;width:100%;height:100%;position:absolute;inset:0;object-fit:cover;object-position:center 48%}.image-prompt{position:absolute;left:24px;bottom:24px;display:flex;align-items:center;gap:12px;color:#fff;font-size:13px;text-shadow:0 2px 8px #000}.image-prompt>svg{height:40px;width:40px;border:1px solid #ffffff88;border-radius:50%;padding:10px;background:#13111650}.course-image:hover .image-prompt{color:var(--bright);text-shadow:0 0 16px #a76bd7,0 2px 8px #000}.course-copy{padding:38px clamp(24px,3.5vw,52px)}.course-copy h3{font-size:clamp(28px,2.9vw,42px);margin:0 0 20px;max-width:510px}.course-copy>p:not(.eyebrow){font-size:14px;line-height:1.8}.course-copy .course-meta{font-size:12px!important;color:#a99bb4;margin:22px 0}.course-access{display:flex;flex-direction:column;gap:7px;font-size:12px;line-height:1.5;margin:22px 0}.course-access span:first-child{color:var(--purple)}.course-access span:last-child{color:var(--muted)}.lesson-grid,.guide-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:38px 25px}.card-hit{display:block;text-align:left;width:100%;padding:0}.thumbnail{position:relative;display:block;aspect-ratio:16/10;overflow:hidden;background:#211c26}.thumbnail>img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .35s}.card-hit:is(:hover,:focus-visible) .thumbnail>img{transform:scale(1.025)}.access-badge{position:absolute;right:12px;top:12px;display:inline-flex;align-items:center;gap:6px;font-size:10px;letter-spacing:.025em;color:#fff;padding:6px 8px;background:#141019b3;pointer-events:none}.access-badge svg{width:11px;height:11px}.play-mark{position:absolute;bottom:15px;left:15px;display:flex;align-items:center;justify-content:center;width:32px;height:32px;border:1px solid #ffffff88;border-radius:50%;color:#fff;background:#13111645}.play-mark svg{width:16px;height:16px}.card-copy{display:block;padding:21px 0 0}.card-copy .eyebrow{font-size:9px;margin-bottom:9px}.card-title{display:block;font-size:23px;font-weight:300;line-height:1.25;color:var(--text);margin-bottom:12px}.card-description{display:block;font-size:13px;line-height:1.8;color:var(--muted)}.card-hit:hover .card-title,.card-hit:focus-visible .card-title{color:var(--bright);text-shadow:0 0 16px #a76bd740}.guide-cover{display:flex;flex-direction:column;position:relative;aspect-ratio:16/10;overflow:hidden;padding:26px;background:#2b2036;color:#eee3f5}.guide-cover>img{position:absolute;right:0;bottom:0;width:39%;height:100%;object-fit:cover;opacity:.8}.guide-imprint{font-size:8px;letter-spacing:.14em;position:relative;z-index:1;width:58%;margin-bottom:22px}.guide-cover-title{display:block;font-family:Georgia,serif;font-size:clamp(22px,2vw,32px);font-weight:400;line-height:1.15;max-width:58%;position:relative;z-index:1}.guide-cover-rule{display:block;width:24px;height:1px;background:var(--purple);margin:17px 0}.guide-cover-type{font-size:9px;text-transform:uppercase;letter-spacing:.16em}.membership-invite{display:grid;grid-template-columns:1fr 1fr;gap:10%;border-top:1px solid var(--line);padding:50px 0 60px}.membership-invite>div:last-child{max-width:560px;align-self:center}.membership-invite h2{font-size:36px}.membership-invite p:not(.eyebrow){font-size:14px}footer{display:flex;align-items:center;gap:30px;padding:28px 4.5%;border-top:1px solid var(--line);font-size:12px;color:var(--muted)}footer>span{margin-left:auto;color:#8c8097;font-size:10px}.empty-state{padding:75px 20px;text-align:center}.empty-state p{margin:20px 0}dialog{padding:42px;position:fixed;background:#17131c;color:var(--text);border:1px solid #c3a0e733;max-height:92dvh;max-width:calc(100vw - 32px);width:1040px;overflow:auto}dialog::backdrop{background:#08060cce;backdrop-filter:blur(5px)}.close{position:absolute;right:12px;top:10px;font-size:30px;width:44px;height:44px;z-index:5;color:var(--muted)}body:has(dialog[open]){overflow:hidden}.detail-heading{padding-right:26px}.detail-heading h2{font-size:36px;margin-bottom:15px}.detail-heading p:not(.eyebrow){max-width:700px;font-size:14px;margin-bottom:28px}.detail-layout{display:grid;grid-template-columns:1.5fr 1fr;gap:32px}.video-placeholder{position:relative;aspect-ratio:16/10;overflow:hidden;background:#0f0c13}.video-placeholder>img{width:100%;height:100%;object-fit:cover;display:block;opacity:.85}.placeholder-state{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;flex-direction:column;text-align:center;padding:24px;gap:10px;background:#09070d44;text-shadow:0 2px 8px #000}.placeholder-state svg{width:36px;height:36px;color:var(--bright)}.placeholder-state strong{font-weight:400;font-size:20px}.placeholder-state span{font-size:12px;color:#eee3f5}.placeholder-note{font-size:11px;color:#a99bb4;margin:12px 0 22px}.detail-sidebar{padding:24px;background:#211a29;align-self:start}.detail-sidebar h3{font-size:24px;margin-bottom:18px}.detail-sidebar>p{font-size:13px;line-height:1.7}.detail-sidebar .button{width:100%;margin:0 0 10px}.detail-sidebar small{display:block;font-size:11px;color:var(--muted);line-height:1.6}.detail-sidebar .access-label{font-size:10px;letter-spacing:.13em;color:var(--purple);text-transform:uppercase;margin:0 0 13px}.chapter-list{list-style:none;padding:0;margin:15px 0 0}.chapter-list li{display:flex;align-items:center;gap:14px;border-top:1px solid var(--line);padding:15px 0;font-size:13px;color:var(--muted)}.chapter-list .chapter-number{color:#a481be;font-size:11px}.chapter-list button{padding:8px 0;text-align:left;flex:1;color:inherit}.chapter-list button[aria-pressed=true]{color:var(--bright)}.chapter-list svg{width:12px;height:12px;margin-left:auto}.outline-heading{font-size:22px;margin-top:27px}.access-intro{max-width:600px;margin:22px 0 30px;font-size:14px}.access-options{display:grid;grid-template-columns:1fr 1fr;gap:25px}.access-options article{padding:27px;background:#211a29;display:flex;flex-direction:column}.access-options ul{padding-left:18px;color:var(--muted);font-size:14px;line-height:2}.access-options p:not(.eyebrow){font-size:12px}.access-options .button{margin-top:auto}.access-note{font-size:11px;margin:25px 0 0}.sr-only,.skip{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}.skip:focus{clip-path:none;top:0;left:0;width:auto;height:auto;padding:15px;background:var(--bg);z-index:20}.noscript-note{padding:20px;text-align:center}
@media(min-width:1600px){.course-feature{min-height:430px}.course-image{min-height:430px}}@media(max-width:1100px){.library-toolbar{align-items:stretch;flex-direction:column;gap:5px}.search{width:100%}.search input{width:100%}.preview-explanation{flex-basis:100%;padding-left:15px}.preview-bar p{gap:5px 10px}.course-copy{padding:30px}.filters{gap:24px}.course-copy h3{font-size:30px}.guide-cover{padding:20px}.guide-imprint{font-size:7px}.guide-cover-title{font-size:22px}.lesson-grid,.guide-grid{gap:30px 20px}.card-title{font-size:21px}}@media(max-width:800px){.course-feature{grid-template-columns:1fr}.course-image{min-height:0;aspect-ratio:16/9}.lesson-grid,.guide-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.preview-bar{align-items:flex-start;flex-direction:column;gap:8px}.view-toggle{align-self:flex-end}.detail-layout{grid-template-columns:1fr}.membership-invite{gap:6%}.membership-invite h2{font-size:30px}.guide-cover-title{font-size:26px}.course-copy{padding:30px}.detail-sidebar{order:2}.masthead nav{gap:18px}.masthead nav>a{font-size:12px}}@media(max-width:560px){.masthead{padding:22px 6%;align-items:flex-start}.wordmark{font-size:13px}.wordmark span{font-size:9px}.masthead nav{flex-direction:column;align-items:flex-end;gap:9px}.masthead nav>a{font-size:11px}.masthead .button{font-size:10px;padding:8px 10px;min-height:36px}main{padding:0 6%}.intro{padding:30px 0}.intro h1{font-size:42px}.intro>p:last-child{font-size:14px;max-width:290px}.preview-explanation{font-size:10px}.filters{gap:0;justify-content:space-between;flex-wrap:wrap}.filters button{font-size:11px}.search input{font-size:12px}.section-heading{align-items:flex-start}.section-heading h2{font-size:24px;max-width:210px}.section-heading p{font-size:10px;text-align:right;max-width:70px}.library-section{padding-top:28px;margin-bottom:38px}.course-copy{padding:25px}.course-copy h3{font-size:30px}.lesson-grid,.guide-grid{grid-template-columns:1fr;gap:30px}.card-title{font-size:23px}.card-description{font-size:14px}.card-copy{padding-top:16px}.thumbnail,.guide-cover{aspect-ratio:16/9}.guide-cover{padding:26px}.guide-imprint{font-size:9px}.guide-cover-title{font-size:32px}.membership-invite{grid-template-columns:1fr;gap:24px;padding:35px 0 40px}footer{padding:25px 6%;gap:18px;flex-wrap:wrap}footer>span{flex-basis:100%;margin-left:0}dialog{padding:45px 22px 24px;max-width:calc(100vw - 20px);max-height:95dvh}.detail-heading h2{font-size:29px}.detail-layout{gap:18px}.access-options{grid-template-columns:1fr}.access-options article{padding:23px}.image-prompt{left:18px;bottom:18px}}@media(prefers-reduced-motion:reduce){*,*::before,*::after{transition:none!important;scroll-behavior:auto!important}.card-hit:is(:hover,:focus-visible) .thumbnail>img,.button:active{transform:none}}

.raspberry-title{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;background:var(--surface);border:1px solid var(--line);color:var(--purple)}.raspberry-project{font-family:Georgia,serif;font-size:clamp(30px,3vw,44px);font-style:italic}.raspberry-technique{font-size:16px;letter-spacing:.08em}.lesson-player{position:relative;aspect-ratio:16/9;background:#000}.lesson-player iframe{position:absolute;inset:0;width:100%;height:100%;border:0}

.raspberry-thumbnail{aspect-ratio:16/9}.raspberry-thumbnail>img{object-fit:contain;opacity:1}

/* Main sections stay visible, with library actions on a separate row. */
.masthead{flex-wrap:wrap}.library-local-nav{flex-basis:100%;justify-content:flex-end}.detail-permalink{margin-top:26px}.planned-section .play-mark{display:none}.view-toggle button{min-height:44px}.guide-card .access-badge{white-space:normal}
@media(max-width:700px){.masthead{gap:16px}.masthead .site-section-nav{flex-basis:100%;align-items:center}.masthead .library-local-nav{flex-direction:row;align-items:center;justify-content:space-between;gap:14px}.masthead .library-local-nav>a,.masthead .library-local-nav .button{font-size:13px;min-height:44px}.filters button{font-size:13px}.section-heading p{font-size:12px;max-width:100px}}

/* Shared thumbnail feedback for current and future library cards. */
.course-image>img,.guide-cover>img{transition:transform .35s}
.course-image:is(:hover,:focus-visible)>img,.card-hit:is(:hover,:focus-visible) .guide-cover>img{transform:scale(1.025)}
@media(prefers-reduced-motion:reduce){.card-hit:is(:hover,:focus-visible) .thumbnail>img,.course-image:is(:hover,:focus-visible)>img,.card-hit:is(:hover,:focus-visible) .guide-cover>img{transform:none}}