@import url('https://fonts.googleapis.com/css2?family=Heebo:wght@400;500;600;700;800;900&display=swap');
:root{--bg:#151618;--ink:#f1efe9;--muted:#b6b6b2;--copper:#f4a16c;--line:#393b3e}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:25px}body{margin:0;background:var(--bg);color:var(--ink);font-family:Heebo,Arial,sans-serif;font-size:18px;line-height:1.8}a{color:inherit;text-decoration:none}a:focus-visible,summary:focus-visible{outline:3px solid var(--copper);outline-offset:6px}.wrap{width:calc(100% - 112px);max-width:1320px;margin:auto}.nav{display:flex;align-items:center;min-height:105px;gap:38px;border-bottom:1px solid var(--line)}.brand{font-family:Arial,sans-serif;font-size:26px;font-weight:900;line-height:1;letter-spacing:1px}.brand span{display:block;font-size:12px;letter-spacing:1.8px;margin-top:10px}.nav nav{display:flex;gap:30px;margin-inline:auto;font-size:15px}.nav a:hover{color:var(--copper)}.nav-cta{font-size:14px;border:1px solid #68645e;padding:9px 18px;display:flex;gap:25px}.hero{display:grid;grid-template-columns:1.05fr 1fr;gap:42px;align-items:center;padding-block:74px 68px}.eyebrow{font-size:13px;font-weight:500;letter-spacing:.06em;color:var(--copper);margin:0 0 22px}h1{font-size:clamp(45px,4.6vw,68px);font-weight:800;line-height:1.16;letter-spacing:-2px;margin:0 0 27px}h1 em{font-style:normal;color:var(--copper)}.intro{font-size:24px;line-height:1.55;margin-bottom:18px}.hero-detail{max-width:530px;font-size:17px;color:var(--muted)}.actions{display:flex;align-items:center;gap:26px;margin-top:30px}.button{background:var(--copper);color:#191817;font-size:15px;font-weight:700;padding:13px 24px;display:inline-flex;gap:36px}.button:hover{background:#ffb88c}.text-link{font-size:15px;border-bottom:1px solid #69645f}.hero-meta{display:flex;flex-wrap:wrap;gap:18px;font-size:12px;color:var(--muted);margin-top:27px}.hero-meta span+span:before{content:'/';margin-inline-end:18px;color:#777}.pcb-art{margin:0;align-self:stretch;min-height:490px;display:flex;flex-direction:column;border:1px solid #43413d;background:#1c1d1e;overflow:hidden}.art-code{font-family:monospace;font-size:16px;display:flex;justify-content:space-between;padding:17px 20px;color:var(--copper);border-bottom:1px solid #43413d;gap:10px}.art-code span{font-size:12px;letter-spacing:1px;align-self:center}.pcb-art img{width:100%;height:100%;min-height:360px;max-height:450px;object-fit:cover;flex:1}.pcb-art figcaption{border-top:1px solid #43413d;padding:14px 20px;display:flex;flex-direction:column;align-items:flex-start;gap:4px}.pcb-art figcaption span{font-family:monospace;font-size:12px;letter-spacing:1px}.pcb-art small{font-size:12px;color:#aaa9a4}.facts{display:grid;grid-template-columns:repeat(3,1fr) 1.5fr;border-block:1px solid var(--line);padding-block:25px}.facts>div{padding-inline:30px;border-inline-end:1px solid var(--line);display:flex;flex-direction:column}.facts>div:first-child{padding-inline-start:0}.facts>div:last-child{border:0}.facts strong{font-family:Arial,sans-serif;font-size:44px;font-weight:500;line-height:1.3}.facts span{font-size:14px;color:var(--muted);margin-top:5px}.facts>div:last-child strong{font-family:Heebo,Arial,sans-serif;font-size:29px;padding-top:6px;color:var(--copper)}.section{padding-block:90px}h2{font-size:40px;line-height:1.3;font-weight:700;letter-spacing:-1px;margin:0 0 26px}h2 span{color:#929a9c}h3{font-size:23px;line-height:1.4;margin:0 0 12px}p{margin-top:0}.large{font-size:24px;line-height:1.6}.course{display:grid;grid-template-columns:1fr 1.1fr;gap:90px}.course p:not(.eyebrow):not(.large){color:var(--muted)}.workplace{font-size:15px;border-top:1px solid var(--line);padding-top:18px}.learning{border-block:1px solid var(--line);background:#202225}.section-title{display:flex;align-items:center;justify-content:space-between;gap:45px}.section-title>p{font-size:17px;margin:0}.mono{font-family:monospace;font-size:12px;letter-spacing:1px;color:#9a9e9d}.steps{display:grid;grid-template-columns:repeat(4,1fr);margin-top:35px}.steps article{padding-inline:25px;border-inline-start:1px solid #494b4d}.steps article:first-child{padding-inline-start:0;border:0}.steps article:last-child{padding-inline-end:0}.number{font:15px monospace;color:var(--copper);display:block;margin-bottom:26px}.steps p{font-size:16px;color:var(--muted)}.tag{font-size:12px;display:block;margin-top:25px;color:#e5ac87}.instrument-surface{background:#efeee8;color:#25272a}.instrument-surface .eyebrow{color:#a24d24}.synth-title{font-family:Arial,sans-serif;font-size:65px;letter-spacing:-3px;line-height:1;margin:0}.synth-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:70px;align-items:start;margin-top:45px}.module-board{background:#202427;color:#ebede6;padding:25px;border:1px solid #4c5557;box-shadow:9px 9px 0 #d6d6ce}.board-top{display:flex;justify-content:space-between;font:12px monospace;letter-spacing:1px;color:#d6a77e;padding-bottom:25px;gap:10px}.modules{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.module{padding:15px 18px;border:1px solid #5a605c;min-width:0}.module small{display:block;font:12px monospace;color:#a7b0a9;margin-bottom:10px}.module strong{display:block;font:23px monospace;font-weight:600;color:#e9ebdf;white-space:nowrap}.module.big{padding-block:25px;border-color:#b8855d}.module.big strong{font-size:50px;line-height:1.2;color:#f4bc85}.module span{display:block;font-size:14px;margin-top:6px;color:#bbc2bc}.diagram-label{margin:20px 0 0;font-size:12px;color:#a7b0a9;border-top:1px solid #465054;padding-top:12px}.synth-copy article{padding-inline-start:20px;border-inline-start:2px solid #b9855c;margin-bottom:27px}.synth-copy p{color:#5c6262;font-size:17px}.status-note{font-size:13px!important;border-top:1px solid #c6c9c2;padding-top:16px;margin-top:22px}.project{background:#dea077;color:#252326}.project-inner{padding-block:65px;display:grid;grid-template-columns:1fr 1.1fr;gap:90px}.project .eyebrow{color:#60371f}.project h2{font-size:38px}.project-results{border-top:1px solid #b57d58;margin-top:25px}.project-results>div{padding-block:16px;display:flex;flex-direction:column;border-bottom:1px solid #b57d58}.project-results strong,.project-results span{font-size:16px}.project small{font-size:13px;display:block;margin-top:18px}.teacher{display:grid;grid-template-columns:1fr 1.1fr;gap:90px;align-items:center}.teacher-card{background:#202225;padding:42px;border:1px solid #444547}.teacher-card>span{display:block;font-family:Arial,sans-serif;font-size:56px;line-height:.96;font-weight:900;letter-spacing:-2px}.teacher-card>span b{color:var(--copper)}.teacher-card>p{margin:25px 0 35px;font-size:20px}.teacher-card>div{display:flex;align-items:center;gap:20px;border-top:1px solid #434446;padding-block:15px}.teacher-card strong{font:40px Arial,sans-serif;min-width:85px}.teacher-card>div span{font-size:14px;color:var(--muted)}.teacher p:not(.eyebrow):not(.large){color:var(--muted)}.teacher-note{border-inline-start:2px solid var(--copper);padding-inline-start:18px;font-size:16px;margin-top:30px}.faq{padding-bottom:80px}.faq details{border-top:1px solid var(--line);padding:20px 0}.faq details:last-child{border-bottom:1px solid var(--line)}summary{cursor:pointer;font-size:19px;list-style:none;display:flex;justify-content:space-between;gap:20px}summary::-webkit-details-marker{display:none}summary:after{content:'+';color:var(--copper);font:25px monospace}details[open] summary:after{content:'−'}details p{margin:18px 0 0;color:var(--muted);max-width:900px;font-size:17px}.next{text-align:center;background:#25282a;border:1px solid var(--line);padding:60px 30px;margin-bottom:60px}.next h2{font-size:42px}.next p:not(.eyebrow){max-width:570px;color:var(--muted);margin-inline:auto}.availability{border:1px solid #666967;padding:10px 20px;font-size:14px;display:inline-block}footer{padding-block:25px;display:flex;align-items:center;justify-content:space-between;gap:25px;border-top:1px solid var(--line);font-size:12px;color:var(--muted)}
@media(min-width:1500px){.hero{padding-block:95px}.pcb-art{min-height:540px}}@media(max-width:1100px){.wrap{width:calc(100% - 60px)}.nav{gap:20px}.nav nav{gap:20px}.hero{gap:28px}h1{font-size:50px}.intro{font-size:21px}.course,.teacher,.project-inner{gap:50px}.synth-grid{gap:35px}.facts>div{padding-inline:20px}.facts>div:last-child strong{font-size:24px}.synth-title{font-size:54px}.teacher-card{padding:30px}.teacher-card>span{font-size:46px}.steps{grid-template-columns:repeat(2,1fr);gap:35px}.steps article:nth-child(3){border:0;padding-inline-start:0}}
@media(max-width:760px){.wrap{width:calc(100% - 36px)}.nav{padding-block:20px;min-height:90px;flex-wrap:wrap}.brand{font-size:23px}.nav-cta{margin-inline-start:auto;font-size:13px;padding:7px 10px;gap:12px}.nav nav{order:3;width:100%;justify-content:space-between;font-size:14px;margin-top:12px;gap:12px}.hero{grid-template-columns:1fr;padding-block:40px;gap:30px}h1{font-size:clamp(40px,8.8vw,64px);letter-spacing:-1.5px}.intro{font-size:22px}.hero-detail{font-size:17px}.pcb-art{min-height:0}.pcb-art img{height:300px;min-height:0;max-height:400px;flex:none}.hero-meta{gap:10px}.hero-meta span+span:before{margin-inline-end:10px}.actions{gap:20px}.button{padding:12px 19px;gap:20px}.text-link{font-size:14px}.facts{grid-template-columns:1fr 1fr;gap:22px;padding-block:22px}.facts>div{padding-inline:15px!important;border:0!important}.facts strong{font-size:35px}.facts>div:last-child strong{font-size:23px}.facts span{font-size:13px}.section{padding-block:55px}.course,.synth-grid,.teacher,.project-inner{grid-template-columns:1fr;gap:28px}h2{font-size:33px}.large{font-size:22px}.section-title{display:block}.section-title>p{margin-top:24px}.section-title .mono{display:none}.steps{gap:28px 0}.steps article{padding-inline:16px}.steps h3{font-size:21px}.synth-title{font-size:49px}.module-board{padding:18px;box-shadow:5px 5px 0 #d6d6ce}.module strong{font-size:21px}.module{padding:15px 12px}.module.big strong{font-size:44px}.synth-copy{margin-top:10px}.project-inner{padding-block:45px}.project h2{font-size:33px}.teacher-card>span{font-size:50px}.teacher-card{padding:28px}.faq{padding-bottom:45px}summary{font-size:17px}.next{padding:40px 18px;margin-bottom:35px}.next h2{font-size:34px}footer{flex-wrap:wrap}footer span:nth-child(2){display:none}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

.teacher-photo{margin:0;max-width:360px;width:100%;min-width:0;justify-self:center;border:1px solid #51473d;overflow:hidden}.teacher-photo img{display:block;width:100%;max-width:360px;height:auto;filter:sepia(.19) saturate(.86) contrast(1.025) brightness(.98)}.teacher-copy{min-width:0}.teacher-copy p:last-child{margin-bottom:0}@media(max-width:760px){.teacher-photo{max-width:320px}}

/* Consistent, readable section labels. */
#course .eyebrow,#process .eyebrow,#project .eyebrow,#updates>.eyebrow{font-size:40px;line-height:1.3;font-weight:700;letter-spacing:-1px;margin-bottom:30px;color:var(--copper)}
#author h2{color:var(--copper)}
#project .eyebrow{color:#70300f}
@media(max-width:760px){#course .eyebrow,#process .eyebrow,#project .eyebrow,#updates>.eyebrow{font-size:33px}}

/* Interactive project documentation */
#delay-dialog{width:min(640px,92vw);max-height:88vh;overflow:auto;padding:32px;background:#202225;color:var(--ink);border:1px solid #a57450}#delay-dialog::backdrop{background:#000b;backdrop-filter:blur(4px)}#delay-dialog h2{font-size:28px;color:var(--copper)}#delay-dialog p{font-size:18px;line-height:1.8}#delay-dialog form{display:flex;justify-content:flex-end;margin-bottom:14px}#delay-dialog button{font:20px Arial;background:none;color:var(--ink);border:1px solid #68645e;padding:8px 12px;cursor:pointer}#delay-dialog .delay-note{font-size:14px;color:var(--muted);border-top:1px solid var(--line);padding-top:15px}
.pricing{border-top:1px solid var(--line)}.pricing>h2{color:var(--copper)}.pricing-intro{max-width:950px;color:var(--muted)}.pricing .prices article{display:flex;flex-direction:column;min-width:0}.pricing .plan-description{margin:0 0 24px;color:var(--muted);min-height:58px;font-size:17px}.price-tier{border-top:1px solid var(--line);padding:20px 0;display:flex;flex-direction:column;gap:9px}.price-tier>span{font-size:16px}.pricing .regular-price strong{font-size:30px;color:var(--ink)}.pricing .plan-footnote{font-size:15px;color:var(--muted);margin:12px 0 0}.payment-basis{margin:20px 0 30px;font-size:16px;color:var(--copper)}.pricing-details details{border-top:1px solid var(--line);padding:20px 0}.pricing-details details:last-child{border-bottom:1px solid var(--line)}.pricing-details ul{padding-inline-start:25px;color:var(--muted);font-size:17px;line-height:1.9}.pricing-details .kit-note{font-size:15px}.payment-options{margin-top:32px;max-width:900px}.payment-options p{color:var(--muted);font-size:17px;margin-bottom:10px}.pricing-note{font-size:15px;color:var(--muted);margin:26px 0 0}.pricing-note a{color:var(--copper);text-decoration:underline}@media(max-width:760px){.pricing .plan-description{min-height:0}.pricing .prices strong{font-size:36px}.pricing .regular-price strong{font-size:28px}}
.contact{display:grid;grid-template-columns:1fr 1fr;gap:70px;border-top:1px solid var(--line)}.contact h2{color:var(--copper)}.contact-copy p{color:var(--muted)}.contact-links{display:flex;flex-direction:column;align-items:flex-start;gap:20px;margin-top:30px}.contact-phone{font-size:22px}.contact-phone span{font-size:16px;color:var(--muted);margin-inline-end:14px}.contact-form{border:1px solid #51473d;padding:30px;min-width:0;background:#202225}.contact-form label{display:block;margin:15px 0 6px;font-size:16px}.contact-form label span,.contact-help,.contact-privacy{font-size:14px;color:var(--muted)}.contact-form input,.contact-form textarea{display:block;width:100%;background:#151618;color:var(--ink);border:1px solid #65605a;padding:10px 12px;font:inherit;font-size:16px;border-radius:0}.contact-form textarea{resize:vertical}.contact-form input:focus-visible,.contact-form textarea:focus-visible,.contact-form button:focus-visible{outline:2px solid var(--copper);outline-offset:3px}.contact-form .button{border:0;font-family:inherit;cursor:pointer}.contact-privacy{margin-top:18px}#contact-status{font-size:14px;margin:14px 0 0}#contact-status a{text-decoration:underline;color:var(--copper)}@media(max-width:760px){.contact{grid-template-columns:1fr;gap:30px}.contact-form{padding:22px}}
.instrument-explorer .section-title{margin-bottom:35px}.panel-scroll{overflow-x:auto;border:1px solid #48534c;padding:25px 15px;background:#101b1c}.panel-map{display:block;width:100%;min-width:820px;height:auto}.pcb-link{transition:filter .15s}.panel-map a:hover .pcb-link,.panel-map a:focus .pcb-link{filter:brightness(1.4)}.panel-map a:hover .hover-outline,.panel-map a:focus .hover-outline{stroke:#f4a16c}.panel-map a{cursor:pointer}.module-links{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}.module-links a{border:1px solid #59645c;padding:10px 16px;display:flex;gap:28px;font-size:16px}.module-links a:hover{border-color:#f4a16c;background:#303831}.file-note{font-size:14px;color:#b6b6b2;margin-top:18px}.prices{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:30px}.prices article{border:1px solid #59534c;padding:32px}.prices article:last-child{border-color:#f4a16c}.prices strong{font-size:42px;color:#f4a16c}.prices p{margin-top:15px}.module-page{padding-block:60px}.module-page>.large{max-width:850px}.module-tabs{display:flex;gap:25px;flex-wrap:wrap;border-block:1px solid #494b4d;padding:17px 0;margin-block:35px}.doc-section{padding-block:25px;border-bottom:1px solid #494b4d;margin-bottom:25px}.board-view{background:#202d2d;padding:20px}.board-view img{display:block;width:100%;max-height:540px;object-fit:contain}.pdf{width:100%;height:650px;background:#fff;margin-top:20px}.doc-section .button{margin-bottom:10px}@media(max-width:760px){.prices{grid-template-columns:1fr}.prices article{padding:24px}.panel-scroll{padding:15px 8px}.synth-title{font-size:43px}.module-page{padding-block:35px}.pdf{height:450px}.module-links a{flex:1;min-width:135px;justify-content:space-between}}

.schematic-image{width:100%;height:auto;display:block;background:white;margin-top:20px}.pdf-gallery{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:25px}.pdf-gallery figure{margin:0;padding:12px;border:1px solid #454a46}.pdf-gallery img{width:100%;height:360px;object-fit:contain;background:#fff;display:block}.pdf-gallery figcaption{font-size:14px;padding-top:10px}.circuit-notes{display:grid;grid-template-columns:1fr 1fr;gap:25px}.circuit-notes article{border-top:1px solid #4c514c;padding-top:20px}.circuit-notes p{font-size:17px;color:#c1c2bd}.table-scroll{overflow:auto}table{border-collapse:collapse;width:100%;font-size:16px}td,th{text-align:start;padding:10px 15px;border-bottom:1px solid #484b47}@media(max-width:760px){.pdf-gallery,.circuit-notes{grid-template-columns:1fr}.pdf-gallery img{height:380px}}

.adsr-thumb-wrap{width:100%;height:100%;direction:ltr}.adsr-thumb-wrap button{position:relative;display:block;width:100%;height:100%;border:1px solid #d29b6b;padding:0;background:#142222;color:#f4a16c;cursor:pointer}.adsr-thumb-wrap canvas{width:100%;height:100%;display:block;pointer-events:none}.thumb-title{position:absolute;top:3px;left:3px;font:3.5px monospace;background:#132020cf;padding:1px}.thumb-loading{position:absolute;top:50%;left:10%;font:4px Arial}.loaded .thumb-loading{display:none}.failed .thumb-loading{font-size:0}.failed .thumb-loading:after{content:'ADSR · 3D ↗';font-size:5px}.adsr-thumb-wrap button:hover{background:#253932;border-color:#ffd4a9}#adsr-dialog{width:min(1100px,96vw);max-height:94vh;padding:20px;background:#151e20;color:#f1efe9;border:1px solid #c28c65;overflow:auto}#adsr-dialog::backdrop{background:#000b;backdrop-filter:blur(5px)}.model-header{display:flex;align-items:center;justify-content:space-between;gap:20px}.model-header h2{font-size:25px;margin:0}.model-header button,.model-toolbar button{background:#303a3c;border:1px solid #63716e;color:white;cursor:pointer;padding:9px 14px;font:16px Heebo,Arial}.model-canvas{width:100%;height:60vh;min-height:250px;display:block;touch-action:none}.model-toolbar{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:12px}.model-toolbar a{margin-inline-start:auto;font-size:15px;color:#f4a16c}[data-status]{font-size:14px;color:#c2c9c6;margin:10px 0}.model-header button:focus-visible,.model-toolbar button:focus-visible{outline:2px solid #f4a16c;outline-offset:3px}@media(max-width:760px){#adsr-dialog{padding:12px}.model-canvas{height:48vh}.model-header h2{font-size:21px}.model-toolbar button{font-size:14px;padding:9px}.model-toolbar a{margin:0;width:100%}}