@font-face{font-family:Inter;src:url(/fonts/Inter-latin.var.woff2) format("woff2-variations");font-weight:100 900;font-style:normal;font-display:swap}:root{--inst-bg: #0a0a0a;--inst-bg-card: #161616;--inst-text: #ffffff;--inst-text-body: #b4b4bc;--inst-text-muted: #85858e;--inst-accent: #4a9eff;--inst-border: #262626;--inst-green: #4ade80;--inst-red: #f87171}html[data-theme=light]{--inst-bg: #f5f5f5;--inst-bg-card: #ffffff;--inst-text: #111111;--inst-text-body: #3f3f46;--inst-text-muted: #6b6b74;--inst-accent: #2563eb;--inst-border: #e2e2e6;--inst-green: #15803d;--inst-red: #c62828}*,*:before,*:after{box-sizing:border-box}body{background:var(--inst-bg);color:var(--inst-text-body);font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,sans-serif;font-feature-settings:"cv11","ss01";-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;margin:0;line-height:1.6}main a{color:var(--inst-accent);text-decoration:none}main a:hover{text-decoration:underline}main{max-width:900px;margin:0 auto;padding:1.5rem 1rem}@keyframes h1SlideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}h1,h2,h3,h4{color:var(--inst-text);line-height:1.2;letter-spacing:-.01em}h1{font-size:clamp(1.8rem,4vw,2.5rem);font-weight:700;line-height:1.1;letter-spacing:-.02em;display:inline-block;background:linear-gradient(91deg,#ff00d0,#fff000);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;animation:h1SlideUp 1s cubic-bezier(.16,1,.3,1) .2s both}html[data-theme=light] h1{background:linear-gradient(91deg,#c09,#667eea);-webkit-background-clip:text;background-clip:text}h2{font-size:1.5rem;margin-top:2rem}h3{font-size:1.125rem;margin-top:1.5rem}main strong,main b{color:var(--inst-text);font-weight:600}main table{width:100%;border-collapse:collapse;font-size:.9375rem;margin:1rem 0}main th,main td{padding:.5rem .75rem;border-bottom:1px solid var(--inst-border);text-align:left;vertical-align:top}main th{color:var(--inst-text-muted);font-weight:500;font-size:.8125rem;text-transform:uppercase;letter-spacing:.06em;border-bottom:2px solid var(--inst-border)}.theory-intro,.hub-intro,.instrument-intro{font-size:1.1rem;line-height:1.65;color:var(--inst-text-body);margin-bottom:2rem;max-width:720px}.cta-block{padding:2rem 1.5rem;margin:2rem 0;text-align:center}.cta-block h2{font-size:1.375rem;font-weight:700;color:var(--inst-text);margin-top:0;margin-bottom:.375rem}.cta-block h2 a{color:inherit}.cta-block p{color:var(--inst-text-body);margin-bottom:1.5rem}.cta-features{display:flex;flex-wrap:wrap;gap:.5rem;justify-content:center;margin-bottom:1.5rem}.cta-tag{background:var(--inst-bg-card);border:1px solid var(--inst-border);color:var(--inst-text-muted);border-radius:100px;padding:.25rem .75rem;font-size:.8125rem}.cta-buttons{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap;margin-top:0}.cta-store-badge{display:inline-block;opacity:.9;transition:opacity .2s ease;color:transparent;text-decoration:none}.cta-store-badge:hover{opacity:1;text-decoration:none}.cta-store-badge img{display:block;height:48px;width:auto;border:0}.cta-btn{background:var(--inst-accent);color:#0a0a0a;padding:.6rem 1.4rem;border-radius:6px;font-weight:600;display:inline-block;text-decoration:none}html[data-theme=light] .cta-btn{color:#fff}.cta-btn:hover{opacity:.85;text-decoration:none}.cta-btn--secondary,html[data-theme=light] .cta-btn--secondary{background:transparent;border:2px solid var(--inst-accent);color:var(--inst-accent)}.cta-block--inline{margin:2rem 0}.cta-block--footer{margin-top:3rem;padding:2.5rem 1.5rem .5rem;border-top:1px solid var(--inst-border)}.breadcrumb ol{list-style:none;padding:0;margin:0 0 1.5rem;display:flex;flex-wrap:wrap;gap:.25rem;font-size:.85rem;color:var(--inst-text-muted)}.breadcrumb li+li:before{content:" / ";margin-right:.25rem}.item-filter{width:100%;max-width:320px;background:var(--inst-bg-card);border:1px solid var(--inst-border);border-radius:6px;padding:.5rem .75rem;color:var(--inst-text);font-family:inherit;font-size:.95rem;margin-bottom:1.5rem}.item-filter:focus{border-color:var(--inst-accent);outline:2px solid var(--inst-accent);outline-offset:2px}.item-filter::placeholder{color:var(--inst-text-muted)}.item-row{display:flex;justify-content:space-between;align-items:baseline;gap:1rem;padding:.45rem .6rem;border-radius:5px;color:inherit;transition:background .15s}a.item-row:hover{background:var(--inst-bg-card);text-decoration:none}.item-row-name{font-weight:600;color:var(--inst-text);font-size:.95rem}.item-row-meta{color:var(--inst-text-muted);font-size:.85rem;white-space:nowrap;flex-shrink:0}.item-row-tag{color:var(--inst-accent);font-weight:400}.item-no-results{color:var(--inst-text-muted);font-size:.9rem;padding:.5rem .6rem;display:none;margin:0}@media(max-width:600px){.cta-buttons{flex-direction:column;align-items:center}h1{font-size:1.6rem}}html{scroll-padding-top:88px}.navbar{position:fixed;top:1rem;left:50%;transform:translate(-50%);z-index:1000;padding:.75rem 0;background:#ffffff12;border:1px solid rgba(255,255,255,.1);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-radius:2rem;transition:background .3s ease,border-color .3s ease;box-shadow:0 8px 32px #00000026;width:calc(100% - 2rem);max-width:1100px}html[data-theme=light] .navbar{background:#ffffffbf;border-color:#00000014}.nav-container{display:flex;justify-content:space-between;align-items:center;gap:2rem;padding:0 clamp(1rem,4vw,2.5rem)}.nav-logo{display:flex;align-items:center;gap:.75rem;font-weight:700;font-size:1.1rem;color:var(--inst-text);text-decoration:none;letter-spacing:-.02em}.logo-icon{width:40px;height:40px;border-radius:8px;display:block;transition:transform .25s cubic-bezier(.34,1.56,.64,1),filter .25s ease}.logo-text{line-height:1}.nav-logo:hover .logo-icon{transform:scale(1.1) rotate(-4deg);filter:brightness(1.15)}.nav-logo:hover .logo-text{opacity:.75}.nav-menu{display:flex;gap:2rem}.nav-link{color:var(--inst-text-body);text-decoration:none;font-weight:500;font-size:.9rem;transition:color .2s ease}.nav-link:hover{color:var(--inst-text)}html[data-theme=light] .navbar .nav-logo,html[data-theme=light] .navbar .nav-link{color:#1a1a1a}html[data-theme=light] .navbar .nav-link:hover{color:#000}.mobile-menu-toggle{display:none;flex-direction:column;cursor:pointer;padding:.5rem;background:none;border:none}.mobile-menu-toggle span{width:24px;height:2px;background:var(--inst-text);margin:3px 0;transition:.3s;border-radius:2px;display:block}.mobile-menu-toggle.open span:nth-child(1){transform:rotate(-45deg) translate(-4px,5px)}.mobile-menu-toggle.open span:nth-child(2){opacity:0}.mobile-menu-toggle.open span:nth-child(3){transform:rotate(45deg) translate(-4px,-5px)}main{padding-top:calc(80px + 1.5rem)}@media(max-width:768px){html{scroll-padding-top:72px}.navbar{top:.75rem;padding:.5rem 0;width:calc(100% - 1.5rem)}.nav-container{gap:1rem;padding:0 1rem}.mobile-menu-toggle{display:flex}.nav-menu{display:none;position:fixed;top:68px;left:0;right:0;background:var(--inst-bg-card);border-bottom:1px solid var(--inst-border);flex-direction:column;padding:1.5rem 2rem;gap:1.25rem;z-index:10000}.nav-menu.open{display:flex}}