:root{color-scheme:dark;--bg:#120b07;--paper:#e0b56d;--text:#fff8ec;--muted:#d7c2a0;--accent:#d9913d}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:radial-gradient(circle at top,#301d12,var(--bg) 55%);color:var(--text);font-family:Arial,Helvetica,sans-serif}a{color:inherit;text-decoration:none}main{min-height:100vh}.fixed-header{position:fixed;top:0;left:0;right:0;z-index:50;display:flex;align-items:center;justify-content:space-between;padding:16px clamp(18px,4vw,56px);background:linear-gradient(180deg,rgba(18,11,7,.9),rgba(18,11,7,.35));-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.logo{font-weight:800;letter-spacing:.03em}.hamburger,.menu-toggle{display:none}.hamburger{flex-direction:column;gap:5px;cursor:pointer;padding:4px;z-index:51}.hamburger span{display:block;width:22px;height:2px;background:var(--text);border-radius:2px;transition:transform .25s,opacity .25s}.menu-toggle:checked~.hamburger span:first-child{transform:translateY(7px) rotate(45deg)}.menu-toggle:checked~.hamburger span:nth-child(2){opacity:0}.menu-toggle:checked~.hamburger span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}.nav{display:flex;gap:clamp(12px,2vw,28px);align-items:center;flex-wrap:wrap}.nav a{color:var(--muted);font-size:15px;transition:color .18s ease}.nav a:hover{color:var(--text)}.nav-auth{margin-left:auto}.auth-nav-group{display:inline-flex;align-items:center;gap:12px}.admin-link{color:var(--text)!important;border:1px solid rgba(224,181,109,.34);border-radius:999px;padding:7px 12px;background:rgba(217,145,61,.14)}.admin-link:hover{background:rgba(217,145,61,.24)}@media (max-width:767px){.hamburger{display:flex}.nav{position:fixed;top:0;right:-100%;width:min(280px,80vw);height:100vh;flex-direction:column;align-items:flex-start;gap:0;padding:80px 24px 32px;background:rgba(18,11,7,.97);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border-left:1px solid rgba(224,181,109,.2);transition:right .3s ease;overflow-y:auto}.menu-toggle:checked~.nav{right:0}.nav a{font-size:17px;padding:12px 0;width:100%;border-bottom:1px solid rgba(224,181,109,.1)}.nav-auth{margin:16px 0 0;width:100%}.auth-nav-group{width:100%;flex-direction:column;align-items:stretch;gap:10px}.auth-nav-group .admin-link{width:100%;text-align:center}}.hero-scroll{height:980vh;position:relative}.scene-sticky{height:100vh;position:-webkit-sticky;position:sticky;top:0;overflow:hidden}.canvas-wrap{position:absolute;inset:0;background:radial-gradient(circle at 50% 50%,rgba(224,181,109,.13),rgba(18,11,7,0) 42%);touch-action:pan-y;overscroll-behavior-y:auto}.canvas-wrap canvas{touch-action:pan-y!important}.hero-orb{position:absolute;border-radius:999px;filter:blur(34px);opacity:.5;pointer-events:none}.hero-orb-a{width:260px;height:260px;left:12%;top:18%;background:rgba(217,145,61,.22);animation:hero-orb-float 8s ease-in-out infinite alternate}.hero-orb-b{width:340px;height:340px;right:12%;bottom:12%;background:rgba(224,181,109,.14);animation:hero-orb-float 10s ease-in-out infinite alternate-reverse}@keyframes hero-orb-float{0%{transform:translateZ(0) scale(1)}to{transform:translate3d(24px,-18px,0) scale(1.08)}}.hero-info-card{position:absolute;left:clamp(18px,5vw,72px);bottom:clamp(28px,7vh,84px);z-index:6;width:min(460px,calc(100vw - 36px));padding:clamp(16px,2.2vw,24px);border:1px solid rgba(224,181,109,.24);border-radius:24px;background:linear-gradient(135deg,rgba(18,11,7,.82),rgba(42,24,12,.46));box-shadow:0 24px 70px rgba(0,0,0,.34),inset 0 1px 0 rgba(255,248,236,.1);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);pointer-events:none;text-shadow:0 10px 32px rgba(0,0,0,.5);animation:hero-info-float-in .42s ease-out both}.hero-info-eyebrow{display:inline-flex;margin-bottom:10px;color:var(--accent);font-size:12px;font-weight:800;letter-spacing:.12em;text-transform:uppercase}.hero-info-card h2{margin:0 0 12px;font-size:clamp(26px,4.2vw,48px);line-height:1.02}.hero-info-card p{margin:0;color:var(--muted);font-size:clamp(14px,1.45vw,18px);line-height:1.55}@keyframes hero-info-float-in{0%{opacity:0;transform:translate3d(0,14px,0) scale(.98)}to{opacity:1;transform:translateZ(0) scale(1)}}@media (max-width:767px){.hero-scroll{height:900vh}.canvas-wrap,.scene-sticky{min-height:100svh}.hero-orb-a{left:-18%;top:22%}.hero-orb-b{right:-24%;bottom:24%}.hero-info-card{left:14px;right:14px;bottom:16px;width:auto;padding:14px;border-radius:18px}.hero-info-eyebrow{font-size:11px;margin-bottom:8px}.hero-info-card h2{font-size:clamp(24px,8vw,36px)}.hero-info-card p{font-size:14px}}.page{padding:110px clamp(20px,5vw,72px) 60px;max-width:1100px;margin:0 auto}@media (max-width:767px){.page{padding:90px 16px 48px}}.card-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));grid-gap:18px;gap:18px}@media (max-width:767px){.card-grid{grid-template-columns:1fr}}.card,.poster{border:1px solid rgba(224,181,109,.25);background:rgba(255,248,236,.07);border-radius:18px;padding:18px;transition:transform .22s ease,box-shadow .22s ease}.poster{color:#241307;background:var(--paper);min-height:150px;box-shadow:0 16px 40px rgba(0,0,0,.28)}.poster small{opacity:.7}.label{position:relative;display:inline-flex;align-items:center;justify-content:center;min-width:66px;padding:8px 12px;border-radius:12px;background:linear-gradient(135deg,rgba(34,19,10,.9),rgba(18,11,7,.78));border:1px solid rgba(224,181,109,.38);box-shadow:0 14px 32px rgba(0,0,0,.34),inset 0 1px 0 rgba(255,248,236,.14);white-space:nowrap;font:inherit;font-size:13px;font-weight:700;color:var(--text);cursor:pointer;pointer-events:auto;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);transform-origin:center;transition:background .28s ease,border-color .28s ease,box-shadow .28s ease,transform .28s ease}.label:after{content:"";position:absolute;left:50%;bottom:-5px;width:9px;height:9px;background:rgba(18,11,7,.82);border-right:1px solid rgba(224,181,109,.32);border-bottom:1px solid rgba(224,181,109,.32);transform:translateX(-50%) rotate(45deg);pointer-events:none}.label.is-active,.label:focus-visible,.label:hover{background:linear-gradient(135deg,rgba(217,145,61,.35),rgba(34,19,10,.86));border-color:rgba(224,181,109,.72);box-shadow:0 12px 34px rgba(217,145,61,.18),0 12px 36px rgba(0,0,0,.28);outline:none}.label:active{transform:translateY(1px) scale(.98)}@media (max-width:767px){.label{min-width:58px;padding:7px 10px;font-size:12px;border-radius:11px}}.login-note{color:var(--muted);margin-top:18px}.materials-header{margin-bottom:36px}.materials-title{font-size:clamp(28px,5vw,52px);font-weight:800;margin:0 0 10px;letter-spacing:.02em}.materials-subtitle{color:var(--muted);font-size:17px;margin:0}@media (max-width:767px){.materials-header{margin-bottom:24px}}.material-card{display:flex;flex-direction:column;gap:10px;border:1px solid rgba(224,181,109,.25);background:rgba(255,248,236,.07);border-radius:18px;padding:18px;text-decoration:none;color:var(--text);transition:transform .22s cubic-bezier(.34,1.56,.64,1),box-shadow .22s ease}.material-card:hover{transform:translateY(-4px) scale(1.02);box-shadow:0 12px 32px rgba(0,0,0,.35),0 4px 12px rgba(217,145,61,.15)}.material-card-header{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}.material-card-title{font-size:17px;font-weight:700;margin:0;line-height:1.3;flex:1 1}.material-badge{display:inline-flex;align-items:center;padding:4px 10px;border-radius:999px;font-size:12px;font-weight:700;color:#fff;white-space:nowrap;flex-shrink:0}.material-card-desc{font-size:14px;color:var(--muted);margin:0;line-height:1.55}.site-footer{margin-top:80px;border-top:1px solid rgba(224,181,109,.18);background:rgba(18,11,7,.85);padding:48px clamp(20px,5vw,72px) 28px}.footer-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));grid-gap:32px;gap:32px;max-width:1100px;margin:0 auto}@media (max-width:767px){.footer-grid{grid-template-columns:1fr;gap:24px}}.footer-col h4{font-size:13px;text-transform:uppercase;letter-spacing:.08em;color:var(--accent);margin:0 0 12px}.footer-col,.footer-col nav{display:flex;flex-direction:column;gap:6px}.footer-col a,.footer-col p{font-size:14px;color:var(--muted);transition:color .18s ease}.footer-col a:hover{color:var(--text)}.footer-tagline{margin:0;line-height:1.6}.footer-bottom{margin-top:32px;padding-top:16px;border-top:1px solid rgba(224,181,109,.1);text-align:center;color:var(--muted);font-size:13px}.model-credit{display:block;margin-top:8px;opacity:.72}.not-found-page{display:flex;align-items:center;justify-content:center;min-height:70vh;text-align:center}.not-found-content{max-width:480px}.not-found-code{font-size:clamp(72px,12vw,140px);font-weight:900;color:var(--accent);opacity:.5;margin:0 0 8px;line-height:1}.not-found-content h2{font-size:clamp(22px,4vw,36px);margin:0 0 12px}.not-found-link{display:inline-block;margin-top:24px;padding:10px 24px;border:1px solid var(--accent);border-radius:999px;color:var(--accent);font-size:15px;font-weight:600;transition:background .2s,color .2s}.not-found-link:hover{background:var(--accent);color:var(--bg)}.catalog-tabs{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:24px}.tab-btn{display:inline-flex;align-items:center;gap:6px;padding:7px 16px;border-radius:999px;border:1px solid rgba(224,181,109,.28);background:rgba(255,248,236,.06);color:var(--muted);font-size:14px;font-weight:600;cursor:pointer;transition:background .2s,color .2s,border-color .2s}.tab-btn:hover{background:rgba(224,181,109,.12);color:var(--text)}.tab-btn:active{transform:scale(.97)}.tab-btn.is-active{background:var(--accent);color:var(--bg);border-color:var(--accent)}.tab-count{font-size:12px;opacity:.7}.catalog-tabs-skeleton,.filter-tabs{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:24px}.tab-btn-skeleton{height:34px;width:90px;border-radius:999px;background:linear-gradient(90deg,rgba(224,181,109,.18),rgba(217,145,61,.28) 50%,rgba(224,181,109,.18));background-size:200% 100%;animation:skeleton-shimmer 1.4s ease-in-out infinite}.catalog-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));grid-gap:18px;gap:18px;align-items:stretch}.catalog-card{padding:0;overflow:hidden}.catalog-card-link{display:flex;min-height:100%;flex-direction:column;justify-content:space-between;gap:18px;padding:18px;color:inherit}.catalog-card-body{min-width:0}.catalog-card h2{margin:0 0 10px;font-size:clamp(18px,2.2vw,24px);line-height:1.18;overflow-wrap:anywhere}.catalog-card p{margin:0;color:var(--muted);line-height:1.55;overflow-wrap:anywhere}.catalog-card-cta{margin-top:auto;align-self:flex-start}@media (max-width:767px){.catalog-tabs{flex-wrap:nowrap;overflow-x:auto;padding-bottom:6px;scrollbar-width:thin}.tab-btn{flex:0 0 auto}.catalog-grid{grid-template-columns:1fr}}.breadcrumb{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--muted);margin-bottom:12px}.breadcrumb a{color:var(--accent)}.breadcrumb a:hover{text-decoration:underline}.breadcrumb .sep{opacity:.4}.detail-meta{display:grid;grid-template-columns:auto 1fr;grid-gap:10px 18px;gap:10px 18px;margin-top:24px;font-size:15px}.detail-meta dt{color:var(--muted);font-weight:600}.detail-meta dd{margin:0}@keyframes skeleton-pulse{0%,to{opacity:1}50%{opacity:.45}}.skeleton-header{height:36px;width:55%;border-radius:10px;background:var(--paper);margin-bottom:28px;animation:skeleton-pulse 1.6s ease-in-out infinite}.skeleton-card{height:160px;border-radius:18px;background:linear-gradient(90deg,rgba(224,181,109,.18),rgba(217,145,61,.28) 50%,rgba(224,181,109,.18));background-size:200% 100%;animation:skeleton-shimmer 1.4s ease-in-out infinite}@keyframes skeleton-shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}.card{transition:transform .22s cubic-bezier(.34,1.56,.64,1),box-shadow .22s ease}.card:hover{transform:scale(1.02);box-shadow:0 8px 24px rgba(0,0,0,.32),0 2px 8px rgba(217,145,61,.12)}.card-link{display:inline-flex;align-items:center;gap:4px;margin-top:10px;color:var(--accent);font-size:14px;font-weight:600;text-decoration:none;transition:color .2s,gap .2s}.card-link:hover{color:var(--text);gap:8px}.card-link-external svg{flex-shrink:0}.card-link:hover .card-link-external svg{transform:translate(2px,-2px);transition:transform .2s}.nav a{position:relative}.nav a:after{content:"";position:absolute;bottom:-2px;left:0;right:0;height:1px;background:var(--accent);transform:scaleX(0);transition:transform .22s cubic-bezier(.34,1.2,.64,1);transform-origin:center}.nav a:hover:after{transform:scaleX(1)}.submit,button[type=submit],input[type=submit]{transition:background .2s ease,transform .15s ease,box-shadow .2s ease}.submit:hover,button[type=submit]:hover,input[type=submit]:hover{background:var(--accent);transform:translateY(-1px);box-shadow:0 4px 16px rgba(217,145,61,.3)}.menu-overlay{position:fixed;inset:0;z-index:49;background:rgba(18,11,7,0);pointer-events:none;transition:background .3s ease}body.menu-overlay-visible .menu-overlay{background:rgba(18,11,7,.55);pointer-events:auto}@keyframes page-fade-in{0%{opacity:0}to{opacity:1}}main{animation:page-fade-in .28s ease-out forwards}.scroll-progress-bar{box-shadow:0 0 8px rgba(217,145,61,.5)}@keyframes spin{to{transform:rotate(1turn)}}.spinner{display:inline-block;width:16px;height:16px;border:2px solid rgba(255,248,236,.35);border-top:2px solid var(--text);border-radius:50%;animation:spin .7s linear infinite;vertical-align:middle;margin-right:6px}.field-error{display:block;font-size:.85rem;color:var(--accent);min-height:1.2em;transition:opacity .2s ease}.field-error:empty{opacity:0}.field-error:not(:empty){opacity:1}.contact-form input:focus,.contact-form textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 2px rgba(217,145,61,.25)}.submit{display:inline-flex;align-items:center;justify-content:center;min-width:120px}@keyframes catalog-card-in{0%{opacity:0}to{opacity:1}}.catalog-card{transition:transform .2s ease,box-shadow .2s ease}.catalog-card:hover{transform:scale(1.02);box-shadow:0 8px 24px rgba(0,0,0,.32),0 2px 8px rgba(217,145,61,.12)}.catalog-card:first-child{animation:catalog-card-in .28s ease-out forwards;animation-delay:40ms}.catalog-card:nth-child(2){animation:catalog-card-in .28s ease-out forwards;animation-delay:80ms}.catalog-card:nth-child(3){animation:catalog-card-in .28s ease-out forwards;animation-delay:.12s}.catalog-card:nth-child(4){animation:catalog-card-in .28s ease-out forwards;animation-delay:.16s}.catalog-card:nth-child(5){animation:catalog-card-in .28s ease-out forwards;animation-delay:.2s}.catalog-card:nth-child(6){animation:catalog-card-in .28s ease-out forwards;animation-delay:.24s}.catalog-card:nth-child(7){animation:catalog-card-in .28s ease-out forwards;animation-delay:.28s}.catalog-card:nth-child(8){animation:catalog-card-in .28s ease-out forwards;animation-delay:.32s}.catalog-card:nth-child(n+9){animation:catalog-card-in .28s ease-out forwards;animation-delay:.36s}.card-grid .skeleton-card:first-child{animation:catalog-card-in .3s ease-out both,skeleton-shimmer 1.4s ease-in-out 0s infinite}.card-grid .skeleton-card:nth-child(2){animation:catalog-card-in .3s ease-out 50ms both,skeleton-shimmer 1.4s ease-in-out .15s infinite}.card-grid .skeleton-card:nth-child(3){animation:catalog-card-in .3s ease-out .1s both,skeleton-shimmer 1.4s ease-in-out .3s infinite}.card-grid .skeleton-card:nth-child(4){animation:catalog-card-in .3s ease-out .15s both,skeleton-shimmer 1.4s ease-in-out .45s infinite}.card-grid .skeleton-card:nth-child(5){animation:catalog-card-in .3s ease-out .2s both,skeleton-shimmer 1.4s ease-in-out .6s infinite}.card-grid .skeleton-card:nth-child(6){animation:catalog-card-in .3s ease-out .25s both,skeleton-shimmer 1.4s ease-in-out .75s infinite}.catalog-card-img{overflow:hidden;border-radius:10px}.catalog-card-img img{transition:transform .35s ease;display:block;width:100%;height:auto}.catalog-card-img:hover img{transform:scale(1.06)}@keyframes exercise-card-in{0%{opacity:0}to{opacity:1}}.exercise-card:hover,.sheet-music-card:hover{transform:scale(1.02);box-shadow:0 8px 24px rgba(0,0,0,.32),0 2px 8px rgba(217,145,61,.12)}.exercise-card:first-child{animation:exercise-card-in .28s ease-out forwards;animation-delay:40ms}.exercise-card:nth-child(2){animation:exercise-card-in .28s ease-out forwards;animation-delay:80ms}.exercise-card:nth-child(3){animation:exercise-card-in .28s ease-out forwards;animation-delay:.12s}.exercise-card:nth-child(4){animation:exercise-card-in .28s ease-out forwards;animation-delay:.16s}.exercise-card:nth-child(5){animation:exercise-card-in .28s ease-out forwards;animation-delay:.2s}.exercise-card:nth-child(6){animation:exercise-card-in .28s ease-out forwards;animation-delay:.24s}.exercise-card:nth-child(7){animation:exercise-card-in .28s ease-out forwards;animation-delay:.28s}.exercise-card:nth-child(8){animation:exercise-card-in .28s ease-out forwards;animation-delay:.32s}.exercise-card:nth-child(n+9){animation:exercise-card-in .28s ease-out forwards;animation-delay:.36s}.sheet-music-card:first-child{animation:exercise-card-in .28s ease-out forwards;animation-delay:40ms}.sheet-music-card:nth-child(2){animation:exercise-card-in .28s ease-out forwards;animation-delay:80ms}.sheet-music-card:nth-child(3){animation:exercise-card-in .28s ease-out forwards;animation-delay:.12s}.sheet-music-card:nth-child(4){animation:exercise-card-in .28s ease-out forwards;animation-delay:.16s}.sheet-music-card:nth-child(5){animation:exercise-card-in .28s ease-out forwards;animation-delay:.2s}.sheet-music-card:nth-child(6){animation:exercise-card-in .28s ease-out forwards;animation-delay:.24s}.sheet-music-card:nth-child(7){animation:exercise-card-in .28s ease-out forwards;animation-delay:.28s}.sheet-music-card:nth-child(8){animation:exercise-card-in .28s ease-out forwards;animation-delay:.32s}.sheet-music-card:nth-child(n+9){animation:exercise-card-in .28s ease-out forwards;animation-delay:.36s}@keyframes news-card-in{0%{opacity:0;transform:translateY(14px)}to{opacity:1;transform:translateY(0)}}.news-card:hover{transform:translateY(-4px);box-shadow:0 6px 18px rgba(139,90,43,.13)}.news-card:first-child{animation:news-card-in .28s ease-out forwards;animation-delay:40ms}.news-card:nth-child(2){animation:news-card-in .28s ease-out forwards;animation-delay:80ms}.news-card:nth-child(3){animation:news-card-in .28s ease-out forwards;animation-delay:.12s}.news-card:nth-child(4){animation:news-card-in .28s ease-out forwards;animation-delay:.16s}.news-card:nth-child(5){animation:news-card-in .28s ease-out forwards;animation-delay:.2s}.news-card:nth-child(6){animation:news-card-in .28s ease-out forwards;animation-delay:.24s}.news-card:nth-child(7){animation:news-card-in .28s ease-out forwards;animation-delay:.28s}.news-card:nth-child(8){animation:news-card-in .28s ease-out forwards;animation-delay:.32s}.news-card:nth-child(n+9){animation:news-card-in .28s ease-out forwards;animation-delay:.36s}