.ui-photo-gallery{color:var(--ui-text);grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;margin:0;padding:0;list-style:none;display:grid}.ui-photo-gallery li{min-width:0}.ui-photo-gallery figure{border:1px solid var(--ui-border);border-radius:var(--ui-radius-md);background:var(--ui-surface);margin:0;overflow:hidden}.ui-photo-gallery a{min-height:44px;display:block}.ui-photo-gallery-placeholder{background-position:50%;background-size:cover}.ui-photo-gallery a:focus-visible{outline:3px solid var(--ui-focus);outline-offset:-3px}.ui-photo-gallery img{width:100%;max-width:100%;height:auto;display:block}.ui-photo-gallery figcaption{overflow-wrap:anywhere;gap:8px;padding:16px;display:grid}.ui-photo-gallery p{margin:0}.ui-photo-gallery-detail{color:var(--ui-muted);font-size:.9rem}@media (width<=560px){.ui-photo-gallery{grid-template-columns:minmax(0,1fr)}}:is([data-ui-fields],.ui-site) .yc-field{gap:.5rem;min-width:0;display:grid}:is([data-ui-fields],.ui-site) .yc-field-label{color:var(--ui-text);font-weight:600}:is([data-ui-fields],.ui-site) :is(.yc-textarea,.yc-select){width:100%;max-width:100%;min-height:48px;font:inherit;color:var(--ui-text);background:var(--ui-surface);border:1px solid var(--ui-border);border-radius:var(--ui-radius-sm);padding:.75rem .85rem;line-height:1.5}:is([data-ui-fields],.ui-site) .yc-textarea{resize:vertical}:is([data-ui-fields],.ui-site) :is(.yc-textarea,.yc-select):focus-visible{outline:3px solid var(--ui-focus);outline-offset:2px}:is([data-ui-fields],.ui-site) :is(.yc-textarea,.yc-select):disabled{opacity:.6;cursor:not-allowed}:is([data-ui-fields],.ui-site) .yc-field-helper{color:var(--ui-muted);font-size:.875rem}:is([data-ui-fields],.ui-site) .yc-field-error{color:var(--ui-danger);font-size:.875rem}:is([data-ui-fields],.ui-site) .yc-card{background:var(--ui-surface);border:1px solid var(--ui-border);border-radius:var(--ui-radius-md);color:var(--ui-text);padding:1.25rem}.ui-social-buttons{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;display:grid}.ui-social-button{text-align:center;white-space:normal;min-width:0}.ui-social-button:last-child:nth-child(odd){grid-column:1/-1}.ui-social-button img{flex:0 0 20px;width:20px;height:20px}.ui-theme-select{font:inherit;max-width:100%;color:var(--ui-text);background:var(--ui-surface);border:1px solid var(--ui-border);border-radius:var(--ui-radius-sm);min-height:44px;padding:10px 12px}.ui-sr-only{clip-path:inset(50%);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.ui-auth-divider{color:var(--ui-muted);align-items:center;gap:16px;font-size:.875rem;display:flex}.ui-auth-divider:before,.ui-auth-divider:after{content:"";background:var(--ui-border);flex:1;height:1px}@media (width<=360px){.ui-social-buttons{grid-template-columns:1fr}}.ui-theme-toggle{width:44px;height:44px;color:var(--ui-text);background:var(--ui-surface);border:1px solid var(--ui-border);border-radius:var(--ui-radius-sm);cursor:pointer;flex:0 0 44px;justify-content:center;align-items:center;padding:0;display:inline-flex}.ui-theme-toggle:focus-visible{outline:2px solid var(--ui-primary);outline-offset:3px}.ui-theme-toggle-sun{display:none}[data-ui-theme=dark] .ui-theme-toggle-sun{display:block}[data-ui-theme=dark] .ui-theme-toggle-moon{display:none}:root{--ui-primary:#2563eb;--ui-primary-text:#fff;--ui-danger:#dc2626;--ui-bg:#f6f7f9;--ui-surface:#fff;--ui-text:#17191c;--ui-muted:#68707a;--ui-border:#d8dde3;--ui-radius-sm:.375rem;--ui-radius-md:.75rem;--ui-shadow:0 .5rem 1.5rem #00000024;--ui-focus:#60a5fa;--font-sans:Calibri, Candara, "Segoe UI", Arial, sans-serif;--font-mono:ui-monospace, monospace;--color-primary:var(--ui-primary);--color-secondary:#d97706;--color-surface:var(--ui-bg);--color-surface-elevated:var(--ui-surface);--color-control-surface:color-mix(in srgb, var(--ui-surface) 92%, var(--ui-bg));--color-accent-surface:color-mix(in srgb, var(--ui-primary) 8%, var(--ui-surface));--color-text-base:var(--ui-text);--color-text-muted:var(--ui-muted);--color-border:var(--ui-border);--color-success:#059669;--color-warning:#d97706;--color-danger:var(--ui-danger);--color-info:#4338ca;--space-0:0;--space-1:4px;--space-2:8px;--space-3:12px;--space-4:16px;--space-5:20px;--space-6:24px;--space-7:28px;--space-8:32px;--space-10:40px;--space-12:48px;--space-16:64px;--space-20:80px;--space-24:96px;--radius-sm:6px;--radius-md:10px;--radius-lg:16px;--radius-xl:24px;--radius-full:9999px;--radius-card:var(--radius-lg);--radius-button:var(--radius-md);--radius-input:var(--radius-md);--radius-badge:var(--radius-full);--shadow-sm:0 1px 3px #14110a14;--shadow-md:0 4px 16px #14110a1f;--shadow-lg:0 8px 32px #14110a29;--duration-fast:.12s;--duration-base:.2s;--duration-slow:.32s;--ease:cubic-bezier(.4, 0, .2, 1);--z-dropdown:10;--z-sticky:20;--z-modal:50;--z-tooltip:60;--container-sm:640px;--container-md:768px;--container-lg:1024px;--container-xl:1200px;--yc-font-scale:1}.yc-lang{display:inline-block;position:relative}.yc-lang>summary::-webkit-details-marker{display:none}.yc-lang>summary::marker{content:""}.yc-lang-trigger{align-items:center;gap:var(--space-2);font-size:calc(13px * var(--yc-font-scale));color:var(--color-text-muted);background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-button);cursor:pointer;-webkit-user-select:none;user-select:none;padding:4px 10px;list-style:none;display:inline-flex}.yc-lang-trigger:hover{color:var(--color-text-base)}.yc-lang-trigger:focus-visible{outline:2px solid var(--color-primary);outline-offset:2px}.yc-lang-label{color:var(--color-text-muted)}.yc-lang-chevron{transition:transform .15s}.yc-lang[open] .yc-lang-chevron{transform:rotate(180deg)}.yc-lang-flag{object-fit:cover;width:20px;height:15px;box-shadow:0 0 0 1px color-mix(in srgb, var(--color-border) 70%, transparent);border-radius:2px;flex:none;display:block}.yc-lang-menu{z-index:50;grid-template-columns:repeat(var(--yc-lang-columns,2), minmax(0, 1fr));min-width:max(220px, calc(var(--yc-lang-columns,2) * 150px));max-height:60vh;padding:var(--space-1);background:var(--color-surface-elevated);border:1px solid var(--color-border);border-radius:var(--radius-md);box-shadow:var(--shadow-md);gap:2px;display:none;position:absolute;left:0;overflow-y:auto}.yc-lang-up>.yc-lang-menu{bottom:calc(100% + 4px)}.yc-lang-down>.yc-lang-menu{top:calc(100% + 4px)}.yc-lang-menu-right{left:auto;right:0}.yc-lang[open]>.yc-lang-menu{display:grid}.yc-lang-item{align-items:center;gap:var(--space-2);padding:var(--space-2) var(--space-3);font-size:calc(14px * var(--yc-font-scale));color:var(--color-text-base);border-radius:var(--radius-sm);white-space:nowrap;text-decoration:none;display:flex}.yc-lang-item:hover,.yc-lang-item:focus-visible{background:color-mix(in srgb, var(--color-primary) 12%, transparent);outline:none}.yc-lang-item.is-active{background:color-mix(in srgb, var(--color-primary) 18%, transparent);font-weight:500}.yc-lang-name{text-overflow:ellipsis;overflow:hidden}.yc-site-footer:has(.yc-lang){overflow:visible}.yc-lang-inline{align-items:center;gap:var(--space-1);flex-wrap:wrap;display:flex}.yc-lang-inline-item{font-size:calc(12px * var(--yc-font-scale));color:var(--color-text-muted);border-radius:var(--radius-sm);align-items:center;gap:4px;padding:3px 6px;text-decoration:none;display:inline-flex}.yc-lang-inline-item:hover{color:var(--color-text-base);background:color-mix(in srgb, var(--color-primary) 12%, transparent)}.yc-lang-inline-item.is-active{color:var(--color-text-base);background:color-mix(in srgb, var(--color-primary) 18%, transparent);font-weight:500}.yc-lang-code{letter-spacing:.03em}@media (width<=639px){.yc-lang-up>.yc-lang-menu,.yc-lang-down>.yc-lang-menu{grid-template-columns:repeat(2,minmax(0,1fr));width:auto;min-width:0;max-width:none;max-height:50vh;position:fixed;inset:auto 12px 12px}.yc-lang-name{text-overflow:ellipsis;overflow:hidden}}*,:before,:after{box-sizing:border-box}.ui-button,.ui-input{font:inherit}.ui-button{border-radius:var(--ui-radius-sm);cursor:pointer;border:1px solid #0000;justify-content:center;align-items:center;gap:.5rem;padding:.65rem 1rem;font-weight:700;display:inline-flex}.ui-button--primary{background:var(--ui-primary);color:var(--ui-primary-text)}.ui-button--secondary{background:var(--ui-surface);border-color:var(--ui-border);color:var(--ui-text)}.ui-button--danger{background:var(--ui-danger);color:var(--ui-danger-text,#fff)}.ui-button--ghost{color:var(--ui-text);background:0 0}.ui-button--sm{padding:.4rem .7rem}.ui-button--lg{padding:.85rem 1.3rem}.ui-button:focus-visible,.ui-input:focus-visible{outline:3px solid var(--ui-focus);outline-offset:2px}.ui-button:disabled{cursor:not-allowed;opacity:.55}.ui-input{background:var(--ui-surface);border:1px solid var(--ui-border);border-radius:var(--ui-radius-sm);color:var(--ui-text);width:100%;padding:.7rem .8rem}.ui-badge{background:color-mix(in srgb,var(--ui-primary) 18%,transparent);color:var(--ui-text);border-radius:999px;padding:.2rem .55rem;font-size:.8rem;display:inline-flex}.ui-avatar{aspect-ratio:1;object-fit:cover;border-radius:50%;width:2.5rem}.ui-panel{background:var(--ui-surface);border:1px solid var(--ui-border);border-radius:var(--ui-radius-md);box-shadow:var(--ui-shadow);padding:1rem}.ui-modal{background:var(--ui-surface);border-radius:var(--ui-radius-md);color:var(--ui-text);border:0;max-width:min(32rem,100% - 2rem);padding:1.25rem}.ui-modal::backdrop{background:#000000a6}.ui-spinner{border:3px solid var(--ui-border);border-top-color:var(--ui-primary);border-radius:50%;width:1.2rem;height:1.2rem;animation:.8s linear infinite ui-spin;display:inline-block}@keyframes ui-spin{to{transform:rotate(360deg)}}[hidden]:not([hidden=until-found]){display:none!important}.ui-level{vertical-align:middle;align-items:center;gap:.3em;display:inline-flex}.ui-level svg{flex:none}.ui-level--easy svg{color:var(--ui-success,#256046)}.ui-level--moderate svg{color:var(--ui-warning,#b7791f)}.ui-level--hard svg{color:var(--ui-danger,#a12f32)}.ui-level--special svg{color:var(--ui-text,currentColor)}.ui-level__label{color:var(--ui-muted,inherit);font-weight:600}[data-ui-skin=mercury],[data-skin=mercury]{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--ui-primary:#5266eb;--ui-primary-text:#fff;--ui-danger:#c94a63;--ui-bg:#f8f8fb;--ui-surface:#fff;--ui-text:#272735;--ui-muted:#535461;--ui-border:#dddde6;--ui-focus:#5266eb;--ui-radius-sm:8px;--ui-radius-md:12px;--ui-shadow:0 18px 48px #27273514;--font-sans:Inter, Avenir, "Segoe UI", ui-sans-serif, sans-serif;--color-primary:#5266eb;--color-secondary:#77738c;--color-surface:#f8f8fb;--color-surface-elevated:#fff;--color-control-surface:#f0f1fc;--color-accent-surface:#eceefd;--color-text-base:#272735;--color-text-muted:#535461;--color-border:#dddde6;--color-success:#187b67;--color-warning:#a96624;--color-danger:#c94a63;--color-info:#5266eb;--radius-sm:8px;--radius-md:10px;--radius-lg:14px;--radius-xl:22px;--radius-card:12px;--radius-button:999px;--radius-input:999px;--shadow-sm:0 1px 2px #2727350f, 0 5px 16px #2727350a;--shadow-md:0 18px 48px #27273517;--shadow-lg:0 32px 80px #27273521;--duration-fast:.14s;--duration-base:.22s;--ease:cubic-bezier(.2, .8, .2, 1);--btn-primary-grad-top:#5266eb;--btn-primary-grad-bot:#5266eb;--btn-primary-text:#fff;--btn-primary-border:#5266eb;--btn-primary-shadow:#5266eb2e;--btn-secondary-grad-top:#eef0fc;--btn-secondary-grad-bot:#eef0fc;--btn-secondary-text:#272735;--btn-secondary-border:#dfe1f1;--btn-secondary-shadow:#27273514;--btn-blick:transparent;--btn-blick-light:transparent;--btn-warning-bg:#a96624;--btn-warning-text:#fff;--btn-danger-bg:#c94a63;--btn-danger-text:#fff;--badge-radius:999px;--badge-font-weight:600;--badge-sm-font-size:11px;--badge-sm-padding:3px 9px;--badge-md-font-size:12px;--badge-md-padding:5px 12px;--badge-lg-font-size:13px;--badge-lg-padding:7px 15px;--badge-default-bg:#f0f1fc;--badge-default-text:#272735;--badge-default-border:#dfe1f1;--badge-primary-bg:#5266eb;--badge-primary-text:#fff;--badge-primary-border:transparent;--badge-success-bg:#e2f3ed;--badge-success-text:#12654f;--badge-success-border:#bce4d4;--badge-warning-bg:#fff0df;--badge-warning-text:#835018;--badge-warning-border:#efd2aa;--badge-danger-bg:#fce9ed;--badge-danger-text:#9d3049;--badge-danger-border:#efc3cd;--badge-info-bg:#e9ebff;--badge-info-text:#3b4aad;--badge-info-border:#cbd0ff;--badge-vip-bg:#37304c;--badge-vip-text:#fff;--badge-vip-border:transparent}.dark[data-ui-skin=mercury],.dark[data-skin=mercury]{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--ui-bg:#28253b;--ui-surface:#322f48;--ui-text:#edecfb;--ui-muted:#c3c0df;--ui-border:#504c68;--ui-focus:#8290f5;--ui-shadow:0 20px 56px #0c0a1a61;--color-surface:#28253b;--color-surface-elevated:#322f48;--color-control-surface:#3b3752;--color-accent-surface:#393952;--color-text-base:#edecfb;--color-text-muted:#c3c0df;--color-border:#504c68;--color-info:#8d9af7;--shadow-sm:0 1px 2px #0a08164d, 0 8px 24px #0a081624;--shadow-md:0 20px 56px #0a08165c;--shadow-lg:0 36px 90px #0a08167a;--btn-secondary-grad-top:#afb2ce33;--btn-secondary-grad-bot:#afb2ce33;--btn-secondary-text:#edecfb;--btn-secondary-border:#afb2ce5c;--btn-secondary-shadow:#0a081647;--badge-default-bg:#3b3752;--badge-default-text:#edecfb;--badge-default-border:#5c5873;--badge-primary-bg:#8290f5;--badge-primary-text:#17152c;--badge-success-bg:#173a33;--badge-success-text:#a4e9d2;--badge-success-border:#377461;--badge-warning-bg:#49371f;--badge-warning-text:#ffd7a1;--badge-warning-border:#8a6534;--badge-danger-bg:#4a2937;--badge-danger-text:#ffc2d0;--badge-danger-border:#885066;--badge-info-bg:#30375d;--badge-info-text:#c9d0ff;--badge-info-border:#6670ae;--badge-vip-bg:#ded9ff;--badge-vip-text:#2b2441}[data-ui-skin=mercury],[data-skin=mercury]{background:var(--color-surface);color:var(--color-text-base);letter-spacing:-.006em}[data-ui-skin=mercury] :where(h1,h2,h3),[data-skin=mercury] :where(h1,h2,h3){letter-spacing:-.038em;font-weight:480;line-height:1.1}[data-ui-skin=mercury] :where(.ui-panel,.ui-card,.uk-token-card,.uk-catalog-story,.uk-frame),[data-skin=mercury] :where(.ui-panel,.ui-card,.uk-token-card,.uk-catalog-story,.uk-frame){border-color:var(--color-border);box-shadow:none}[data-ui-skin=mercury] .yc-btn,[data-skin=mercury] .yc-btn{border-radius:var(--radius-button);min-height:38px;box-shadow:none;letter-spacing:0;transition:background-color var(--duration-fast) var(--ease),border-color var(--duration-fast) var(--ease),color var(--duration-fast) var(--ease),transform var(--duration-fast) var(--ease);font-weight:480}[data-ui-skin=mercury] .yc-btn-round,[data-skin=mercury] .yc-btn-round{min-height:0;border-radius:50%;min-block-size:0}[data-ui-skin=mercury] .yc-btn-primary,[data-skin=mercury] .yc-btn-primary{color:#fff;text-shadow:none;background:#5266eb;border-color:#5266eb}[data-ui-skin=mercury] .yc-btn-primary:before,[data-skin=mercury] .yc-btn-primary:before{display:none}[data-ui-skin=mercury] .yc-btn-primary:hover:not(:disabled),[data-skin=mercury] .yc-btn-primary:hover:not(:disabled){box-shadow:none;filter:none;background:#4255db;border-color:#4255db;transform:translateY(-1px)}[data-ui-skin=mercury] :is(.yc-btn-secondary,.yc-btn-secondary-stone,.yc-btn-secondary-slate),[data-skin=mercury] :is(.yc-btn-secondary,.yc-btn-secondary-stone,.yc-btn-secondary-slate){color:var(--color-text-base);box-shadow:none;background:#5266eb1a;border-color:#0000}[data-ui-skin=mercury] :is(.yc-btn-secondary,.yc-btn-secondary-stone,.yc-btn-secondary-slate):hover:not(:disabled),[data-skin=mercury] :is(.yc-btn-secondary,.yc-btn-secondary-stone,.yc-btn-secondary-slate):hover:not(:disabled){filter:none;background:#5266eb2b;border-color:#0000;transform:translateY(-1px)}[data-ui-skin=mercury] :is(.yc-btn-soft,.yc-btn-soft-secondary,.yc-btn-soft-success,.yc-btn-soft-warning,.yc-btn-soft-danger,.yc-btn-soft-info),[data-skin=mercury] :is(.yc-btn-soft,.yc-btn-soft-secondary,.yc-btn-soft-success,.yc-btn-soft-warning,.yc-btn-soft-danger,.yc-btn-soft-info){box-shadow:none;border-radius:999px}[data-ui-skin=mercury] .yc-btn-soft-secondary,[data-skin=mercury] .yc-btn-soft-secondary{--yc-btn-soft-tone:#77738c;--yc-btn-soft-text:#373548;--yc-btn-soft-fill-start:#f4f3f8;--yc-btn-soft-fill-end:#ecebf3;--yc-btn-soft-border:#dddbe7}html[data-ui-skin=mercury] .yc-btn-secondary-stone{color:#39353e;background:#efedf1;border-color:#ded9e1}html[data-ui-skin=mercury] .yc-btn-secondary-stone:hover:not(:disabled){background:#e5e1e8;border-color:#d4ced8}html[data-ui-skin=mercury] .yc-btn-secondary-slate{color:#30384a;background:#e9edf5;border-color:#d7ddea}html[data-ui-skin=mercury] .yc-btn-secondary-slate:hover:not(:disabled){background:#dde4f0;border-color:#cbd4e3}html[data-ui-skin=mercury] .yc-btn-soft-secondary{color:#373548;background:linear-gradient(135deg,#f4f3f8,#ecebf3);border-color:#dddbe7}html.dark[data-ui-skin=mercury] .yc-btn-secondary{color:#edecfb;background:#afb2ce1f;border-color:#afb2ce1a}html.dark[data-ui-skin=mercury] .yc-btn-secondary-stone{color:#f0edf3;background:#423d4b;border-color:#575061}html.dark[data-ui-skin=mercury] .yc-btn-secondary-stone:hover:not(:disabled){background:#4b4555;border-color:#625a6d}html.dark[data-ui-skin=mercury] .yc-btn-secondary-slate{color:#eef2fb;background:#3b4254;border-color:#505a70}html.dark[data-ui-skin=mercury] .yc-btn-secondary-slate:hover:not(:disabled){background:#444c60;border-color:#5b667e}html.dark[data-ui-skin=mercury] .yc-btn-soft-secondary{color:#edecfb;background:#afb2ce1f;border-color:#afb2ce38}[data-ui-skin=mercury] :is(.yc-btn-outline-primary,.yc-btn-outline-secondary,.yc-btn-outline-success,.yc-btn-outline-danger,.yc-btn-outline-info),[data-skin=mercury] :is(.yc-btn-outline-primary,.yc-btn-outline-secondary,.yc-btn-outline-success,.yc-btn-outline-danger,.yc-btn-outline-info){border-width:1px;border-color:color-mix(in srgb,currentColor 42%,transparent)}[data-ui-skin=mercury] .yc-btn:active,[data-skin=mercury] .yc-btn:active{transform:translateY(0)}[data-ui-skin=mercury] .yc-btn:disabled,[data-skin=mercury] .yc-btn:disabled{opacity:.34}[data-ui-skin=mercury] .yc-btn:hover:not(:disabled),[data-skin=mercury] .yc-btn:hover:not(:disabled){filter:brightness(.92)}[data-ui-skin=mercury] :is(.yc-btn-group,.yc-btn-group-vertical),[data-skin=mercury] :is(.yc-btn-group,.yc-btn-group-vertical){border-radius:10px}[data-ui-skin=mercury] :is(.yc-btn-group,.yc-btn-group-vertical)>.yc-btn,[data-skin=mercury] :is(.yc-btn-group,.yc-btn-group-vertical)>.yc-btn{box-shadow:none;filter:none;border-radius:0;transform:none}[data-ui-skin=mercury] .yc-btn-group>.yc-btn:first-of-type,[data-skin=mercury] .yc-btn-group>.yc-btn:first-of-type{border-start-start-radius:9px;border-end-start-radius:9px}[data-ui-skin=mercury] .yc-btn-group>.yc-btn:last-of-type,[data-skin=mercury] .yc-btn-group>.yc-btn:last-of-type{border-start-end-radius:9px;border-end-end-radius:9px}[data-ui-skin=mercury] .yc-btn-group-vertical>.yc-btn:first-child,[data-skin=mercury] .yc-btn-group-vertical>.yc-btn:first-child{border-start-start-radius:9px;border-start-end-radius:9px}[data-ui-skin=mercury] .yc-btn-group-vertical>.yc-btn:last-child,[data-skin=mercury] .yc-btn-group-vertical>.yc-btn:last-child{border-end-end-radius:9px;border-end-start-radius:9px}[data-ui-skin=mercury] :is(.yc-btn-group,.yc-btn-group-vertical)>.yc-btn:hover:not(:disabled),[data-skin=mercury] :is(.yc-btn-group,.yc-btn-group-vertical)>.yc-btn:hover:not(:disabled){background:color-mix(in srgb,var(--color-primary) 14%,var(--color-control-surface));box-shadow:none;filter:none;transform:none}[data-ui-skin=mercury] .yc-btn-split :is(.yc-btn,.yc-btn:hover,.yc-btn:focus-visible,.yc-btn:active),[data-skin=mercury] .yc-btn-split :is(.yc-btn,.yc-btn:hover,.yc-btn:focus-visible,.yc-btn:active){filter:none;transform:none}[data-ui-skin=mercury] .yc-badge-primary,[data-skin=mercury] .yc-badge-primary{color:var(--badge-primary-text)}[data-ui-skin=mercury] .yc-check input[type=checkbox]:checked:after,[data-skin=mercury] .yc-check input[type=checkbox]:checked:after{background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23fff' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'><polyline points='20 6 9 17 4 12'/></svg>")}[data-ui-skin=mercury] .yc-check input[type=radio]:checked:after,[data-skin=mercury] .yc-check input[type=radio]:checked:after{background:#fff}[data-ui-skin=mercury] :is(.yc-input,.yc-select),[data-skin=mercury] :is(.yc-input,.yc-select){min-height:48px;padding-inline:20px}[data-ui-skin=mercury] .yc-search .yc-input,[data-skin=mercury] .yc-search .yc-input{padding-inline:44px}[data-ui-skin=mercury] .yc-autocomplete .yc-autocomplete-input,[data-skin=mercury] .yc-autocomplete .yc-autocomplete-input,[data-ui-skin=mercury] .yc-input-icon>input,[data-skin=mercury] .yc-input-icon>input{padding-inline-start:44px}[data-ui-skin=mercury] .yc-select,[data-skin=mercury] .yc-select{background-position:right 18px center;padding-right:42px}[data-ui-skin=mercury] .yc-input-group,[data-skin=mercury] .yc-input-group{min-height:48px}[data-ui-skin=mercury] .yc-input-group>.yc-input:focus-visible,[data-skin=mercury] .yc-input-group>.yc-input:focus-visible{box-shadow:none;border:0;outline:0}[data-ui-skin=mercury] .yc-textarea,[data-skin=mercury] .yc-textarea{border-radius:14px;padding:14px 16px}[data-ui-skin=mercury] :where(button,input,select,textarea,a):focus-visible,[data-skin=mercury] :where(button,input,select,textarea,a):focus-visible{outline-offset:2px;outline:3px solid #5266eb4d}.mercury-demo{color:#272735;background:#f8f8fb;min-height:100vh;margin:0;font-family:Inter,Avenir,Segoe UI,ui-sans-serif,sans-serif}.mercury-demo *{box-sizing:border-box}.mercury-demo a{color:inherit}.mercury-demo__hero{color:#edecfb;background:#28253b;min-height:860px;overflow:hidden}.mercury-demo__nav{align-items:center;gap:38px;width:min(100% - 48px,1376px);height:72px;margin:0 auto;font-size:15px;display:flex}.mercury-demo__brand{letter-spacing:.2em;align-items:center;gap:12px;margin-right:auto;font-weight:650;text-decoration:none;display:flex}.mercury-demo__mark{background:radial-gradient(circle at 50% 18%,#0000 0 18%,#c3c0df 19% 22%,#0000 23%),radial-gradient(circle at 28% 62%,#0000 0 18%,#c3c0df 19% 22%,#0000 23%),radial-gradient(circle at 72% 62%,#0000 0 18%,#c3c0df 19% 22%,#0000 23%);border:1px solid #c3c0df;border-radius:50%;width:31px;height:31px}.mercury-demo__nav-link{color:#edecfb;opacity:.9;align-items:center;gap:8px;text-decoration:none;display:inline-flex}.mercury-demo__nav-link:after{content:"";transform-origin:50%;border-bottom:1.5px solid;border-right:1.5px solid;width:6px;height:6px;margin-top:-3px;transform:rotate(45deg)}.mercury-demo__reference{color:#c3c0df;border:1px solid #c3c0df47;border-radius:999px;padding:8px 13px;font-size:13px;text-decoration:none}.mercury-demo__account{color:#fff;background:#5266eb;border-radius:999px;padding:12px 20px;text-decoration:none}.mercury-demo__hero-inner{z-index:1;text-align:center;width:min(100% - 32px,760px);margin:66px auto 0;position:relative}.mercury-demo__eyebrow{color:#aeb5fa;letter-spacing:.14em;text-transform:uppercase;margin:0 0 22px;font-size:13px}.mercury-demo h1{letter-spacing:-.045em;max-width:720px;margin:0 auto;font-size:clamp(48px,5.1vw,72px);font-weight:480;line-height:1.06}.mercury-demo__lead{color:#c3c0df;max-width:660px;margin:22px auto 0;font-size:clamp(18px,1.7vw,22px);line-height:1.45}.mercury-demo__actions{justify-content:center;gap:10px;margin-top:36px;display:flex}.mercury-demo__email{background:#afb2ce33;border:1px solid #afb2ce5c;border-radius:999px;width:min(100%,410px);min-height:48px;padding:3px;display:flex}.mercury-demo__email input{color:#edecfb;min-width:0;font:inherit;background:0 0;border:0;outline:0;flex:1;padding:0 14px}.mercury-demo__email input::placeholder{color:#c3c0df}.mercury-demo__email button,.mercury-demo__secondary{min-height:40px;font:inherit;cursor:pointer;border-radius:999px;padding:0 20px}.mercury-demo__email button{color:#fff;background:#5266eb;border:0}.mercury-demo__secondary{color:#edecfb;background:#afb2ce33;border:1px solid #afb2ce5c}.mercury-demo__visual{background:linear-gradient(145deg,#40385b,#262239 72%);border:1px solid #c3c0df3d;border-radius:20px 20px 0 0;width:min(100% - 40px,730px);height:390px;margin:52px auto 0;position:relative;overflow:hidden;box-shadow:0 36px 100px #08061473}.mercury-demo__visual:before{content:"";background:radial-gradient(circle,#5266eb61,#0000 62%);position:absolute;inset:-50% -20% 35%}.mercury-demo__card{aspect-ratio:1.6;background:repeating-radial-gradient(at 62%,#0000 0 7px,#c3c0df29 8px 9px),linear-gradient(145deg,#493b62,#2e2946);border:1px solid #edecfb33;border-radius:17px;width:min(76%,480px);position:absolute;top:54px;left:50%;transform:translate(-50%)rotate(-2deg);box-shadow:0 24px 48px #0a081859}.mercury-demo__card:before{content:"SIGNALTRACK";color:#edecfb;letter-spacing:.18em;font-size:12px;position:absolute;top:27px;left:28px}.mercury-demo__card:after{content:"••••  4821";color:#edecfb;letter-spacing:.16em;position:absolute;bottom:27px;right:28px}.mercury-demo__chip{background:linear-gradient(135deg,#d7d6df,#8b8997);border-radius:9px;width:58px;height:44px;position:absolute;top:112px;left:30px}.mercury-demo__wave{color:#edecfb;font-size:28px;position:absolute;top:120px;left:104px}.mercury-demo__features{padding:112px 24px 120px}.mercury-demo__features-inner{width:min(100%,1120px);margin:0 auto}.mercury-demo__features h2{letter-spacing:-.045em;max-width:680px;margin:0;font-size:clamp(38px,4.5vw,62px);font-weight:480;line-height:1.08}.mercury-demo__features-lead{color:#535461;max-width:650px;margin:20px 0 56px;font-size:19px;line-height:1.55}.mercury-demo__grid{background:#fff;border:1px solid #dddde6;border-radius:14px;grid-template-columns:repeat(3,1fr);display:grid;overflow:hidden}.mercury-demo__feature{border-right:1px solid #dddde6;min-height:250px;padding:34px}.mercury-demo__feature:last-child{border-right:0}.mercury-demo__feature-index{color:#5266eb;background:#5266eb1a;border-radius:50%;place-items:center;width:34px;height:34px;margin-bottom:52px;font-size:13px;display:inline-grid}.mercury-demo__feature h3{letter-spacing:-.025em;margin:0 0 10px;font-size:24px;font-weight:480}.mercury-demo__feature p{color:#535461;margin:0;line-height:1.55}.mercury-demo__footer{background:#fff;border-top:1px solid #dddde6;padding:24px}.mercury-demo__footer-inner{color:#535461;align-items:center;gap:24px;width:min(100%,1120px);margin:0 auto;font-size:13px;display:flex}.mercury-demo__footer-brand{color:#272735;letter-spacing:.14em;font-weight:650}.mercury-demo__footer-copy{margin-right:auto}.mercury-demo__footer a{text-underline-offset:3px}@media (width<=760px){.mercury-demo__hero{min-height:760px}.mercury-demo__nav{gap:12px;width:calc(100% - 28px)}.mercury-demo__nav-link,.mercury-demo__reference{display:none}.mercury-demo__brand{letter-spacing:.12em}.mercury-demo__hero-inner{margin-top:58px}.mercury-demo h1{font-size:46px}.mercury-demo__lead{font-size:18px}.mercury-demo__actions{flex-direction:column;align-items:stretch}.mercury-demo__email{width:100%}.mercury-demo__secondary{min-height:48px}.mercury-demo__visual{height:280px;margin-top:40px}.mercury-demo__card{width:86%;top:42px}.mercury-demo__chip{width:48px;height:37px;top:84px}.mercury-demo__wave{top:88px;left:88px}.mercury-demo__features{padding:78px 18px}.mercury-demo__grid{grid-template-columns:1fr}.mercury-demo__feature{border-bottom:1px solid #dddde6;border-right:0;min-height:0}.mercury-demo__feature:last-child{border-bottom:0}.mercury-demo__feature-index{margin-bottom:30px}.mercury-demo__footer{padding:22px 18px}.mercury-demo__footer-inner{flex-wrap:wrap;gap:10px 18px}.mercury-demo__footer-copy{order:3;width:100%}}[data-skin=sprintcourse]{--ui-primary:#8c3937;--ui-primary-text:#fff;--ui-bg:#fff8ef;--ui-surface:#fffcf7;--ui-text:#29262c;--ui-muted:#5f5559;--ui-border:#d9bdb2;--ui-focus:#608186;--color-primary:#8c3937;--color-secondary:#608186;--color-surface:#fff8ef;--color-surface-elevated:#fffcf7;--color-control-surface:#f9e9df;--color-accent-surface:#fdd592;--color-text-base:#29262c;--color-text-muted:#5f5559;--color-border:#d9bdb2;--color-info:#608186;--btn-primary-grad-top:#8c3937;--btn-primary-grad-bot:#8c3937;--btn-primary-border:#8c3937;--btn-primary-text:#fff;--btn-secondary-grad-top:#f9e9df;--btn-secondary-grad-bot:#f9e9df;--btn-secondary-text:#29262c;--btn-secondary-border:#d9bdb2;--badge-primary-bg:#8c3937;--badge-primary-text:#fff;--badge-default-bg:#f9e9df;--badge-default-text:#29262c;--badge-default-border:#d9bdb2}[data-skin=sprintcourse] .yc-btn-primary{color:#fff;background:#8c3937;border-color:#8c3937}[data-skin=sprintcourse] .yc-btn-primary:hover:not(:disabled){background:#712e2d;border-color:#712e2d}[data-skin=sprintcourse] .yc-btn-secondary{color:#29262c;background:#f9e9df;border-color:#d9bdb2}@font-face{font-family:Golos Text Variable;font-style:normal;font-display:swap;font-weight:400 900;src:url(/build/assets/golos-text-cyrillic-ext-wght-normal-hICkpzq7.woff2)format("woff2-variations");unicode-range:U+460-52F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}@font-face{font-family:Golos Text Variable;font-style:normal;font-display:swap;font-weight:400 900;src:url(/build/assets/golos-text-cyrillic-wght-normal-mKek_fSS.woff2)format("woff2-variations");unicode-range:U+301,U+400-45F,U+490-491,U+4B0-4B1,U+2116}@font-face{font-family:Golos Text Variable;font-style:normal;font-display:swap;font-weight:400 900;src:url(/build/assets/golos-text-latin-ext-wght-normal-B-I5lbAQ.woff2)format("woff2-variations");unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Golos Text Variable;font-style:normal;font-display:swap;font-weight:400 900;src:url(/build/assets/golos-text-latin-wght-normal-BS5oQT7X.woff2)format("woff2-variations");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Unbounded Variable;font-style:normal;font-display:swap;font-weight:200 900;src:url(/build/assets/unbounded-cyrillic-ext-wght-normal-2qyXmZWE.woff2)format("woff2-variations");unicode-range:U+460-52F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}@font-face{font-family:Unbounded Variable;font-style:normal;font-display:swap;font-weight:200 900;src:url(/build/assets/unbounded-cyrillic-wght-normal-C627f1f8.woff2)format("woff2-variations");unicode-range:U+301,U+400-45F,U+490-491,U+4B0-4B1,U+2116}@font-face{font-family:Unbounded Variable;font-style:normal;font-display:swap;font-weight:200 900;src:url(/build/assets/unbounded-vietnamese-wght-normal-rat7GD3o.woff2)format("woff2-variations");unicode-range:U+102-103,U+110-111,U+128-129,U+168-169,U+1A0-1A1,U+1AF-1B0,U+300-301,U+303-304,U+308-309,U+323,U+329,U+1EA0-1EF9,U+20AB}@font-face{font-family:Unbounded Variable;font-style:normal;font-display:swap;font-weight:200 900;src:url(/build/assets/unbounded-latin-ext-wght-normal-D6H-S6MW.woff2)format("woff2-variations");unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Unbounded Variable;font-style:normal;font-display:swap;font-weight:200 900;src:url(/build/assets/unbounded-latin-wght-normal-D5afBTBx.woff2)format("woff2-variations");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--ui-primary:#29262c;--ui-primary-text:#fff8ef;--ui-text:#29262c;--ui-surface:#fffcf7;--ui-border:#d8ddd5;--ui-radius-sm:999px;--ui-radius-md:24px;--ui-shadow:none;--ui-focus:#608186;--ink:#29262c;--teal:#8c3937;--canvas:#fff8ef}html{scroll-behavior:smooth;scroll-padding-top:24px}body{background:var(--canvas);color:var(--ink);-webkit-font-smoothing:antialiased;margin:0;font-family:Golos Text Variable,Arial,sans-serif;font-size:16px;line-height:1.6}a{color:inherit;text-decoration:none}button,a{-webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid var(--ui-focus);outline-offset:5px}h1,h2,h3,p{margin:0}h1,h2,h3{letter-spacing:-.04em;font-weight:750;line-height:1.12}.wrap{width:min(1180px,100% - 80px);margin-inline:auto}.site-header{justify-content:space-between;align-items:center;gap:24px;height:108px;display:flex}.brand{letter-spacing:-1.5px;align-items:center;gap:9px;font-size:29px;font-weight:850;line-height:1;display:inline-flex}.brand-dot{color:var(--teal);margin-left:-8px}.site-nav{align-items:center;gap:32px;font-size:14px;font-weight:650;display:flex}.site-nav>a{padding-block:10px}.site-nav>a:hover,.site-footer a:hover,.text-link:hover{color:var(--teal)}.language-switch{align-items:center;gap:8px;display:flex}.language-switch a[aria-current]{font-weight:750}#menu-toggle{display:none}.skip-link{z-index:10;background:var(--ink);color:#fff;border-radius:8px;padding:12px 20px;position:absolute;top:-100px;left:16px}.skip-link:focus{top:12px}.hero{grid-template-columns:1fr 1fr;align-items:center;gap:14px;padding-top:38px;padding-bottom:60px;display:grid}.eyebrow{text-transform:uppercase;letter-spacing:.15em;font-size:11px;font-weight:800;line-height:1.8}.hero .eyebrow{align-items:center;gap:10px;display:flex}.little-star{color:var(--teal);font-size:21px}.hero h1{letter-spacing:-.035em;margin-top:20px;font-size:clamp(46px,4.8vw,69px);line-height:1.06}.hero h1 span,h2 span{color:var(--teal)}.hero-description{color:#5f5559;max-width:425px;margin-block:25px 30px;font-size:17px;line-height:1.75}.ui-button{letter-spacing:0;gap:18px;min-height:46px;font-size:14px;text-decoration:none;transition:background .2s,transform .2s}.ui-button--lg{min-height:54px;padding:14px 25px}.ui-button--primary:hover{background:#712e2d;transform:translateY(-2px)}.ui-button--secondary:hover{background:#f9e9df}.hero-note{color:#5f5559;margin-top:23px;font-size:12px}.small-spark{color:var(--teal);margin-right:6px;font-size:17px}.hero-art{min-width:0;position:relative}.hero-art>img{width:110%;max-width:none;height:auto;margin-left:-5%;display:block}.art-note{background:#fffcf7;border:1px solid #29262c21;border-radius:12px;padding:9px 18px;font-size:14px;font-weight:700;position:absolute;box-shadow:0 4px #29262c0a}.note-top{top:51px;right:14px;transform:rotate(8deg)}.note-bottom{bottom:46px;left:6px;transform:rotate(-7deg)}.discovery-strip{background:#f9e9df;border-top:1px solid #e9d5c9;border-bottom:1px solid #e9d5c9}.discovery-strip>.wrap{justify-content:space-between;align-items:center;gap:16px;height:68px;font-size:15px;font-weight:750;display:flex}.discovery-strip i{color:var(--teal);font-size:20px;font-style:normal}.explore{padding-block:86px}.section-heading{justify-content:space-between;align-items:flex-end;gap:30px;margin-bottom:35px;display:flex}h2{font-size:clamp(32px,3.5vw,46px)}.section-heading h2{margin-top:13px}.section-heading>p{color:#5f5559;width:290px;padding-bottom:5px;font-size:15px}.catalog-grid{grid-template-columns:repeat(4,1fr);gap:18px;display:grid}.activity-card{border:1px solid #29262c0c;border-radius:21px;flex-direction:column;min-height:285px;padding:25px 22px 18px;transition:transform .2s,box-shadow .2s;display:flex}.activity-card:hover{transform:translateY(-5px);box-shadow:0 10px 24px #29262c0b}.tone-peach{background:#f4a997}.tone-mint{background:#d6e9e6}.tone-yellow{background:#fdd592}.tone-blue{background:#dcebee}.tone-lilac{background:#ecdeda}.card-top{justify-content:space-between;align-items:center;margin-bottom:21px;display:flex}.activity-icon{width:50px;height:50px;display:block}.activity-icon svg{width:100%;height:100%}.card-index{letter-spacing:.1em;opacity:.55;align-self:flex-start;font-size:11px}.activity-card h3{letter-spacing:-.035em;max-width:210px;margin-bottom:10px;font-size:21px}.activity-card>p{color:#5f5559;margin-bottom:19px;font-size:13px;line-height:1.7}.card-bottom{color:#5f5559;justify-content:space-between;align-items:center;gap:8px;margin-top:auto;font-size:10px;font-weight:650;display:flex}.card-arrow{width:30px;height:30px;color:var(--ink);background:#fff8efa1;border-radius:50%;place-items:center;font-size:18px;display:grid}.activity-card:nth-child(9),.activity-card:nth-child(10){grid-column:span 2;min-height:240px}.activity-card:nth-child(9) h3,.activity-card:nth-child(10) h3{max-width:none}.catalog-note{color:#5f5559;text-align:center;justify-content:center;align-items:center;gap:12px;margin-top:25px;font-size:12px;display:flex}.ui-badge{color:#29262c;white-space:nowrap;background:#d6e9e6;padding:5px 11px;font-size:11px;font-weight:650}.parents{grid-template-columns:1fr 1fr;gap:80px;padding-block:48px 90px;display:grid}.parents h2{margin-block:16px 24px}.parents-copy>p:not(.eyebrow){color:#5f5559;max-width:445px;font-size:16px;line-height:1.85}.text-link{border-bottom:1px solid #c49583;align-items:center;gap:20px;margin-top:27px;padding-bottom:4px;font-size:14px;font-weight:750;display:inline-flex}.principles{gap:13px;display:grid}.principles .ui-panel{box-shadow:none;background:#fffcf7;border-color:#d9bdb2;gap:22px;padding:23px;display:flex}.principle-number{color:var(--teal);font-size:12px;font-weight:750;line-height:1.6}.principles h3{letter-spacing:-.02em;margin-bottom:7px;font-size:18px}.principles p{color:#5f5559;font-size:13px;line-height:1.75}.closing{text-align:center;background:#d6e9e6;border-radius:30px;margin-bottom:75px;padding:46px 24px 50px;position:relative}.closing>span{color:var(--teal);margin-bottom:14px;font-size:30px;line-height:1;display:block}.closing h2{margin-bottom:25px;font-size:clamp(28px,3vw,40px)}.site-footer{flex-wrap:wrap;justify-content:space-between;gap:30px;padding-block:0 26px;display:flex}.site-footer p{color:#5f5559;margin-top:12px;font-size:12px}.site-footer nav{flex-wrap:wrap;align-items:center;gap:26px;font-size:12px;display:flex}.footer-bottom{color:#5f5559;border-top:1px solid #d9bdb2;justify-content:space-between;gap:20px;width:100%;padding-top:22px;font-size:10px;display:flex}.footer-bottom span[aria-hidden]{color:var(--teal);padding-left:10px;font-size:15px}.back-link{color:#5f5559;margin-bottom:30px;font-size:13px;display:inline-block}.back-link:hover{color:var(--teal)}.section-page{padding-block:25px 90px}.section-intro{text-align:center;border-radius:30px;padding:45px 30px 50px}.section-large-icon{width:82px;height:82px;margin:0 auto 25px}.section-large-icon svg{width:100%;height:100%}.section-intro h1{max-width:800px;margin:16px auto 20px;font-size:clamp(34px,4vw,55px)}.section-description{color:#5f5559;max-width:580px;margin:auto;font-size:18px}.section-details{grid-template-columns:1fr 1fr;gap:65px;padding:50px 0 0;display:grid}.section-details h2{margin-bottom:20px;font-size:30px}.section-details p{color:#5f5559;line-height:1.85}.section-details>.ui-panel{padding:30px}.section-details h3{margin-block:18px 12px;font-size:24px}.section-details .ui-button{margin-top:24px}.document{max-width:840px;padding-block:25px 95px}.document h1{margin:15px 0 35px;font-size:clamp(36px,5vw,60px)}.prose{max-width:710px}.prose .lead{color:var(--teal);margin-bottom:24px;font-size:23px;line-height:1.6}.prose h2{margin-top:33px;margin-bottom:13px;font-size:26px}.prose p{color:#5f5559;font-size:16px;line-height:1.85}.prose .document-date{font-size:12px}.prose a{text-underline-offset:4px;color:var(--teal);text-decoration:underline}.document>.ui-button{margin-top:40px}.error-page{min-height:80vh;padding-block:100px}.error-page h1{margin-block:20px;font-size:clamp(36px,6vw,64px)}.error-page p{margin-block:20px}.error-page .ui-button{margin-block:15px}@media (width>=1450px){.hero h1{font-size:70px}.hero-art>img{width:108%}}@media (width<=1050px){.wrap{width:calc(100% - 48px)}.site-nav{gap:20px}.hero h1{font-size:52px}.hero-art>img{width:105%;margin-left:0}.hero{gap:8px;padding-top:20px}.note-top{top:20px;right:0}.note-bottom{bottom:0;left:0}.catalog-grid{grid-template-columns:repeat(3,1fr)}.activity-card:nth-child(9){grid-column:span 1;min-height:285px}.activity-card:nth-child(10){grid-column:span 3;min-height:240px}.parents{gap:35px}.section-details{gap:30px}}@media (width<=760px){.site-header{flex-wrap:wrap;gap:16px;height:auto;min-height:86px;padding-block:18px}.brand{font-size:25px}.brand img{width:33px;height:33px}#menu-toggle{min-height:38px;padding:7px 16px;font-size:12px;display:inline-flex}.site-nav{border-top:1px solid #d9bdb2;justify-content:space-between;gap:12px;width:100%;padding-top:14px;font-size:12px}.js .site-nav:not(.is-open){display:none}.language-switch{gap:2px;padding-left:10px}.hero{grid-template-columns:1fr;gap:24px;padding-block:28px 40px}.hero h1{max-width:600px;font-size:clamp(44px,7.8vw,64px)}.desktop-break{display:none}.hero-description{max-width:510px;margin-block:20px 24px;font-size:16px}.hero-art{width:100%;max-width:520px;margin-inline:auto}.hero-art>img{width:100%;margin:0}.note-top{top:25px;right:10px}.note-bottom{bottom:5px;left:10px}.hero-note{margin-top:18px}.discovery-strip>.wrap{gap:9px;height:58px;font-size:12px}.discovery-strip i{font-size:14px}.discovery-strip span:last-child,.discovery-strip i:nth-last-child(2){display:none}.explore{padding-block:55px}.section-heading{flex-direction:column;align-items:flex-start;gap:20px}.section-heading>p{width:auto;max-width:370px}.catalog-grid{grid-template-columns:repeat(2,1fr);gap:14px}.activity-card{min-height:270px;padding:20px 18px 16px}.activity-card h3{font-size:21px}.activity-card:nth-child(9),.activity-card:nth-child(10){grid-column:span 1;min-height:270px}.catalog-note{flex-direction:column;gap:10px;max-width:400px;margin-inline:auto}.parents{grid-template-columns:1fr;gap:30px;padding-block:15px 55px}.parents-copy>p:not(.eyebrow){max-width:none}.closing{border-radius:22px;margin-bottom:45px;padding:35px 20px 40px}.site-footer{gap:24px}.site-footer nav{gap:18px}.footer-bottom{font-size:10px}.section-page{padding-bottom:60px}.section-intro{padding:30px 20px 35px}.section-details{grid-template-columns:1fr;gap:30px;padding-top:35px}.section-description{font-size:16px}.document{padding-bottom:60px}.document h1{overflow-wrap:anywhere}.prose .lead{font-size:20px}}@media (width<=420px){.wrap{width:calc(100% - 32px)}.hero h1{font-size:44px}.eyebrow{letter-spacing:.12em;font-size:10px}.activity-card{min-height:284px;padding:18px 14px 14px}.activity-card h3{overflow-wrap:anywhere;font-size:19px}.activity-card>p{font-size:12px}.card-bottom{font-size:9px}.activity-icon{width:44px;height:44px}.card-arrow{width:25px;height:25px}.footer-bottom{flex-direction:column;gap:8px}.art-note{padding:7px 12px;font-size:12px}.site-nav{font-size:11px}.language-switch{padding-left:5px}.principles .ui-panel{gap:15px;padding:20px}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,:before,:after{transition:none!important;animation:none!important}}.site-footer>.language-switch{--color-text-base:var(--ink);--color-text-muted:#5f5559;--color-surface:var(--ui-surface);--color-surface-elevated:var(--ui-surface);--color-border:var(--ui-border);--color-primary:var(--teal);--radius-button:999px;--radius-md:16px;--radius-sm:8px;--space-1:4px;--space-2:8px;--space-3:12px;--yc-font-scale:1;--shadow-md:0 8px 28px #29262c20;border:0;padding:0;display:inline-block}.language-switch .yc-icon{width:16px;height:16px}.language-switch .yc-lang-trigger{padding:8px 12px}.language-switch .yc-lang-item:focus-visible{outline:2px solid var(--ui-focus);outline-offset:-2px}.discovery-strip>.wrap{min-width:0}@media (width<=420px){.discovery-strip>.wrap{gap:6px;font-size:11px}}.identity-page{max-width:520px;min-height:55vh;padding-block:48px 90px}.identity-page h1{margin-block:12px 28px;font-size:clamp(30px,5vw,44px)}.identity-page>p:not(.eyebrow){margin-block:20px}.identity-form{gap:10px;display:grid}.identity-form>.ui-input{box-sizing:border-box;border-radius:12px;width:100%;min-height:48px}.identity-form>.ui-button{justify-content:center;margin-top:14px}.identity-form>label{font-size:14px;font-weight:650}.identity-hint{color:#5f5559;font-size:12px}.identity-terms{align-items:flex-start;gap:10px;margin-block:10px;display:flex}.identity-terms a,.identity-links a{text-underline-offset:3px;text-decoration:underline}.identity-notice{border:1px solid #608186;border-radius:12px;padding:14px}.identity-links{flex-wrap:wrap;gap:18px;margin-block:24px;font-size:14px;display:flex}.identity-social{gap:10px;display:grid}.identity-social .ui-button{justify-content:center;gap:10px}.identity-social img{flex:none}.identity-page>form{margin-top:24px}@media (width<=760px){.site-nav{flex-wrap:wrap}}.seo-article h2,.seo-article h3{margin-block:28px 12px}.seo-article p{margin-block:16px}.seo-article ul,.seo-article ol{padding-left:24px}.seo-sources{overflow-wrap:anywhere;margin-top:35px;font-size:13px}.seo-sources h2{font-size:22px}.seo-sources a{text-decoration:underline}.catalog-intro{color:#5f5559;max-width:660px;margin:20px 0 35px;font-size:18px}.explore>h1{font-size:clamp(42px,5vw,66px)}.catalog-grid{grid-template-columns:repeat(3,1fr)}.catalog-grid .activity-card:nth-child(n){grid-column:auto;min-height:280px}.catalog-grid .activity-card h2{margin-bottom:10px;font-size:22px}.brand{font-size:26px}@media (width<=760px){.catalog-grid{grid-template-columns:repeat(2,1fr)}}@media (width<=480px){.catalog-grid{grid-template-columns:1fr}.catalog-grid .activity-card:nth-child(n){min-height:210px}.brand{font-size:21px}.site-nav{justify-content:flex-start;gap:15px}}.identity-social button:disabled{white-space:normal;opacity:1;cursor:default;color:var(--ui-muted);text-align:center}.local-admin-login .ui-button{white-space:normal;justify-content:center;width:100%}.section-course{background:#fffcf7;gap:14px;margin-top:40px;padding:32px;display:grid}.section-course h2{font-size:clamp(26px,3vw,36px)}.section-course p{color:#5f5559;max-width:760px;line-height:1.75}.section-course-facts{font-weight:700;color:var(--ink)!important}.section-course-actions{flex-wrap:wrap;align-items:center;gap:24px;display:flex}.section-course-actions .text-link{margin-top:0}@media (width<=760px){.section-course{padding:22px}}.theme-switch{font:inherit;color:inherit;cursor:pointer;background:0 0;border:1px solid #d9bdb2;border-radius:999px;align-items:center;gap:10px;padding:8px 14px 8px 8px;font-size:13px;font-weight:650;display:inline-flex}.theme-switch:hover{border-color:var(--teal)}.theme-switch-icon{background:#ecdeda;border-radius:99px;width:34px;height:20px;transition:background .2s;position:relative}.theme-switch-icon:after{content:"";text-align:center;background:#fff;border-radius:50%;place-items:center;width:16px;height:16px;font-size:10px;line-height:16px;transition:transform .2s;display:grid;position:absolute;top:2px;left:2px}.theme-switch[aria-pressed=true] .theme-switch-icon{background:#f2a99a}.theme-switch[aria-pressed=true] .theme-switch-icon:after{background:0 0;transform:translate(14px);box-shadow:inset -5px -2px #15171c}html[data-theme=dark]{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--ink:#eef1f5;--canvas:#15171c;--teal:#f2a99a;--ui-primary:#f2a99a;--ui-primary-text:#2a1714;--ui-text:#eef1f5;--ui-surface:#1c2128;--ui-border:#323a45;--ui-focus:#9bc4ff}html[data-theme=dark] body{background:var(--canvas);color:var(--ink)}html[data-theme=dark] :is(.hero-description,.hero-note,.section-heading>p,.activity-card>p,.card-bottom,.catalog-note,.parents-copy>p:not(.eyebrow),.principles p,.site-footer p,.footer-bottom,.back-link,.section-description,.section-details p,.prose p,.section-course p,.learning-page p){color:#b4bcc8}html[data-theme=dark] .discovery-strip{background:#1f1c20;border-color:#2e2a2f}html[data-theme=dark] .tone-peach{background:#4a2a24}html[data-theme=dark] .tone-mint{background:#1e3532}html[data-theme=dark] .tone-yellow{background:#45391f}html[data-theme=dark] .tone-blue{background:#1f3138}html[data-theme=dark] .tone-lilac{background:#33292a}html[data-theme=dark] .activity-card{border-color:#ffffff14}html[data-theme=dark] .card-arrow{background:#ffffff1a}html[data-theme=dark] :is(.principles .ui-panel,.section-course,.art-note){background:#1c2128;border-color:#323a45}html[data-theme=dark] .closing{background:#1e3532}html[data-theme=dark] :is(.text-link,.footer-bottom,.site-nav,.theme-switch,.panel-link){border-color:#3a4350}html[data-theme=dark] .ui-badge{color:#d6f0ea;background:#1e3532}html[data-theme=dark] .ui-button--primary:hover{background:#f6bdb1}html[data-theme=dark] .ui-button--secondary:hover{background:#2a2f37}html[data-theme=dark] .hero-art>img{filter:brightness(.92)}html[data-theme=dark] .theme-switch-icon{background:#323a45}html[data-theme=dark] .site-footer>.language-switch{--color-text-base:var(--ink);--color-text-muted:#b4bcc8;--color-surface:#1c2128;--color-surface-elevated:#1c2128;--color-border:#323a45}.hero-actions{flex-wrap:wrap;align-items:center;gap:26px;display:flex}.hero-actions .text-link{margin-top:0}.home-course{padding-top:70px}.home-course-card{border-radius:30px;grid-template-columns:minmax(0,1.3fr) minmax(280px,1fr);gap:40px;padding:46px;display:grid}.home-course-card h2{margin-block:12px 16px}.home-course-text{color:#4f4649;max-width:60ch;font-size:16px;line-height:1.7}.home-course-steps{background:#fffcf7cc;border-radius:22px;align-self:center;gap:6px;margin:0;padding:22px;list-style:none;display:grid}.home-course-steps li{align-items:center;gap:14px;padding:8px 4px;display:flex}.home-course-steps span{background:var(--teal);color:#fff8ef;border-radius:50%;flex:none;place-items:center;width:34px;height:34px;font-size:14px;font-weight:800;display:grid}.home-course-steps strong{font-size:16px;display:block}.home-course-steps small{color:#5f5559;font-size:13px}html[data-theme=dark] .home-course-text{color:#c3c9d2}html[data-theme=dark] .home-course-steps{background:#0003}html[data-theme=dark] .home-course-steps small{color:#b4bcc8}html[data-theme=dark] .home-course-steps span{color:#2a1714}@media (width<=900px){.home-course-card{grid-template-columns:1fr;gap:24px;padding:28px 22px}.home-course{padding-top:44px}}.prose .about-steps{margin:0 0 8px;padding-left:22px}.prose .about-steps li{color:#5f5559;margin-block:8px;line-height:1.75}.prose .about-steps li::marker{color:var(--teal)}.prose .about-steps strong{color:var(--ink)}html[data-theme=dark] .prose .about-steps li{color:#b4bcc8}.theme-switch{border:0;border-radius:99px;gap:0;padding:4px}.theme-switch:focus-visible{outline:3px solid var(--ui-focus);outline-offset:3px}.site-footer .yc-lang-label{display:none}.brand{letter-spacing:-.045em;gap:10px;font-family:Unbounded Variable,Golos Text Variable,Arial,sans-serif;font-size:25px;font-weight:700}.brand img{border-radius:11px}.brand-dot{margin-left:-6px}.site-footer .brand{font-size:21px}@media (width<=760px){.brand{font-size:21px}.brand img{width:32px;height:32px}}.brand .brand-dot{margin-left:-9px}.ui-icon{vertical-align:-.18em;flex:none;display:inline-block}.courses-card-facts li,.home-course .courses-card-facts li{align-items:center;gap:6px;display:inline-flex}.discovery-strip i{display:inline-flex}.small-spark{vertical-align:-2px;margin-right:6px;display:inline-flex}.closing-spark{color:var(--teal);justify-content:center;margin-bottom:14px;display:flex}.footer-bottom .ui-icon{color:var(--teal);vertical-align:-3px;margin-left:10px}.learning-page{padding-block:30px 80px}.learning-page h1{margin-block:20px;font-size:clamp(30px,4vw,48px)}.learning-page h2{margin-block:32px 14px;font-size:24px}.learning-page p{margin-block:16px}.learning-intro{max-width:70ch}.learning-page a{text-underline-offset:4px;text-decoration:underline}.learning-page .ui-button{text-decoration:none}.learning-cards{grid-template-columns:repeat(auto-fit,minmax(min(100%,320px),1fr));gap:24px;display:grid}.learning-cards article,.learning-page .ui-panel{margin-block:16px;padding:24px}.learning-map{padding-left:24px}.learning-map li{border-bottom:1px solid var(--ui-border);padding:14px 0}.learning-map span{font-variant-numeric:tabular-nums}.learning-map small{display:block}.learning-review{font-size:13px}.visually-hidden{clip:rect(0 0 0 0);white-space:nowrap;width:1px;height:1px;overflow:hidden;position:absolute!important}.learning-free{border:1px solid var(--ui-border);border-radius:999px;padding:2px 8px;font-size:12px}.learning-guest-start{flex-wrap:wrap;align-items:center;gap:18px;display:flex}.lesson{--learning-surface:#fffcf7;--learning-card:#fff;--learning-text:#29262c;--learning-muted:#685e62;--learning-border:#ebe1d8;--learning-line:#f2ebe4;--learning-action:#8c3937;--learning-action-text:#fff8ef;--learning-action-soft:#f7e6e1;--learning-ok:#1d7a55;--learning-ok-soft:#e3f4ec;--learning-bad:#b23f2b;--learning-bad-soft:#fbe9e5;--learning-logic:#eef3fb;--learning-logic-text:#1f3a5f;--learning-focus:#185abd;--learning-shadow:0 1px 2px #29262c0a,0 8px 24px #29262c0d;--bar-h:58px;background:var(--learning-surface);color:var(--learning-text);border:1px solid var(--learning-border);border-radius:24px;min-height:70vh;margin-block:8px 64px;font-size:16px;line-height:1.6}html[data-theme=dark] .lesson{--learning-surface:#14171c;--learning-card:#1c2128;--learning-text:#eef1f5;--learning-muted:#aeb7c4;--learning-border:#2d343e;--learning-line:#262c35;--learning-action:#f2a99a;--learning-action-text:#2a1714;--learning-action-soft:#3a2622;--learning-ok:#6fd3a7;--learning-ok-soft:#173528;--learning-bad:#ff9a87;--learning-bad-soft:#3d211c;--learning-logic:#1d2b3e;--learning-logic-text:#dbe8ff;--learning-focus:#9bc4ff;--learning-shadow:none;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}.lesson :focus-visible{outline:3px solid var(--learning-focus);outline-offset:3px}.lesson a{color:inherit}.lesson [hidden]{display:none!important}.lesson kbd{border:1px solid var(--learning-border);border-bottom-width:2px;border-radius:5px;padding:2px 5px;font:600 11px/1 ui-monospace,monospace}.lesson-bar{z-index:30;height:var(--bar-h);background:color-mix(in srgb,var(--learning-surface) 88%,transparent);-webkit-backdrop-filter:saturate(1.4)blur(12px);backdrop-filter:saturate(1.4)blur(12px);border-bottom:1px solid var(--learning-border);border-radius:24px 24px 0 0;align-items:center;gap:14px;padding:0 18px;display:flex;position:sticky;top:0}.lesson-bar-course{white-space:nowrap;text-overflow:ellipsis;max-width:240px;font-size:14px;font-weight:700;text-decoration:none;overflow:hidden}.lesson-bar-course:hover{color:var(--learning-action)}.lesson-bar-progress{background:var(--learning-line);border-radius:99px;flex:1;min-width:60px;height:8px;overflow:hidden}.lesson-bar-progress>span,.lesson-meter>span{border-radius:inherit;background:linear-gradient(90deg,var(--learning-action),color-mix(in srgb,var(--learning-action) 70%,#e9a23b));height:100%;transition:width .5s cubic-bezier(.2,.8,.2,1);display:block}.lesson-bar-percent{font-variant-numeric:tabular-nums;text-align:right;min-width:38px;font:700 13px/1 inherit}.lesson-sync{color:var(--learning-muted);white-space:nowrap;text-overflow:ellipsis;max-width:190px;margin:0;font-size:12px;overflow:hidden}.lesson-sync:before{content:"";background:var(--learning-ok);vertical-align:1px;border-radius:50%;width:7px;height:7px;margin-right:6px;display:inline-block}.lesson-icon-button{border:1px solid var(--learning-border);background:var(--learning-card);width:38px;height:38px;color:var(--learning-text);cursor:pointer;border-radius:12px;flex:none;place-items:center;font-size:17px;display:inline-grid}.lesson-icon-button:hover{border-color:var(--learning-action)}.lesson-icon-button[aria-pressed=true]{background:var(--learning-text);color:var(--learning-surface)}.lesson-map-toggle,.lesson-map-close{display:none}.lesson-layout{grid-template-columns:268px minmax(0,1fr) 210px;align-items:start;gap:40px;padding:28px 28px 40px;display:grid}.learning-article{justify-self:center;width:100%;min-width:0;max-width:740px}.learning-sidebar{top:calc(var(--bar-h) + 20px);max-height:calc(100vh - var(--bar-h) - 40px);scrollbar-width:thin;gap:16px;padding-right:6px;font-size:14px;display:grid;position:sticky;overflow:auto}.lesson-map-head{justify-content:space-between;align-items:center;display:flex}.lesson-map-head a{color:var(--learning-muted);font-size:13px;text-decoration:none}.lesson-map-head a:hover{color:var(--learning-action)}.lesson-course-progress{background:var(--learning-card);border:1px solid var(--learning-border);border-radius:16px;padding:14px}.lesson-course-progress strong{font-size:22px}.lesson-course-progress span{color:var(--learning-muted);font-size:13px}.lesson-meter{background:var(--learning-line);border-radius:99px;height:6px;margin-top:8px;overflow:hidden}.lesson-search input{box-sizing:border-box;width:100%;font:inherit;border:1px solid var(--learning-border);background:var(--learning-card);color:var(--learning-text);border-radius:12px;padding:9px 12px;font-size:14px}.lesson-search input::placeholder{color:var(--learning-muted);opacity:1}.learning-sidebar h2{letter-spacing:.08em;text-transform:uppercase;color:var(--learning-muted);margin:10px 0 6px;font-size:11px;font-weight:750}.learning-sidebar ol{gap:2px;margin:0;padding:0;list-style:none;display:grid}.lesson-map-link{border-radius:10px;grid-template-columns:18px 1fr auto;align-items:start;gap:10px;padding:8px 10px;line-height:1.35;text-decoration:none;display:grid}.lesson-map-link:hover{background:var(--learning-line)}.lesson-map-link[aria-current]{background:var(--learning-action-soft);font-weight:700}.lesson-map-link.is-locked{color:var(--learning-muted)}.lesson-map-dot{border:2px solid var(--learning-border);box-sizing:border-box;border-radius:50%;width:14px;height:14px;margin-top:2px;font-size:10px;line-height:10px}.is-locked .lesson-map-dot{border:0;font-size:11px}.lesson-map-dot[data-done=true]{background:var(--learning-ok);border-color:var(--learning-ok)}[aria-current] .lesson-map-dot:not([data-done=true]){border-color:var(--learning-action)}.lesson-map-percent{color:var(--learning-muted);font-variant-numeric:tabular-nums;padding-top:2px;font-size:11px}.lesson-map-memory{font-weight:650;text-decoration:none}.lesson-shortcuts{color:var(--learning-muted);margin:0;font-size:12px}.learning-guest{border:1px dashed var(--learning-border);background:var(--learning-card);border-radius:14px;gap:10px;padding:14px;display:grid}.learning-guest p{color:var(--learning-muted);margin:0;font-size:13px}.lesson-outline{top:calc(var(--bar-h) + 20px);font-size:13px;position:sticky}.lesson-outline p{letter-spacing:.08em;text-transform:uppercase;color:var(--learning-muted);margin:0 0 10px;font-size:11px;font-weight:750}.lesson-outline ol{border-left:2px solid var(--learning-line);margin:0;padding:0;list-style:none}.lesson-outline a{color:var(--learning-muted);border-left:2px solid #0000;align-items:baseline;gap:9px;margin-left:-2px;padding:6px 0 6px 12px;line-height:1.35;text-decoration:none;display:flex}.lesson-outline a:hover,.lesson-outline a[data-done=true]{color:var(--learning-text)}.lesson-outline small{opacity:.8;font-size:10px}.lesson-outline-dot{border:1.5px solid;border-radius:50%;flex:none;width:8px;height:8px;transform:translateY(-1px)}.lesson-outline a[data-done=true] .lesson-outline-dot{background:var(--learning-ok);border-color:var(--learning-ok)}.lesson-hero{padding:8px 0 22px}.lesson-kicker{color:var(--learning-action);letter-spacing:.01em;margin:0 0 8px;font-size:13px;font-weight:650}.lesson-hero h1{letter-spacing:-.03em;margin:0;font-size:clamp(28px,3.6vw,40px);line-height:1.12}.lesson-hero h1:focus{outline:none}.learning-review{color:var(--learning-muted);font-size:13px}.lesson-step{background:var(--learning-card);border:1px solid var(--learning-border);box-shadow:var(--learning-shadow);scroll-margin-top:calc(var(--bar-h) + 16px);border-radius:22px;margin-bottom:18px;padding:24px 30px 22px;transition:border-color .25s;position:relative}.lesson-step:focus{outline:none}.lesson-step:focus-visible{outline:3px solid var(--learning-focus);outline-offset:3px}.lesson-step[data-completed=true]{border-color:color-mix(in srgb,var(--learning-ok) 45%,var(--learning-border))}.lesson-step-head{align-items:center;gap:10px;margin-bottom:10px;display:flex}.lesson-chip{letter-spacing:.06em;text-transform:uppercase;background:var(--learning-line);color:var(--learning-muted);border-radius:99px;padding:4px 10px;font-size:11px;font-weight:800}.lesson-chip--theory{color:#5a3fb0;background:#ece6fb}.lesson-chip--figure{color:#1d4f9a;background:#e4effc}.lesson-chip--comparison,.lesson-chip--demo{color:#8a5a00;background:#fff1d6}.lesson-chip--quiz{color:#176446;background:#e3f4ec}.lesson-chip--task{color:#9a3a26;background:#fbe6df}.lesson-chip--callout{color:#5f5559;background:#f2efe9}html[data-theme=dark] .lesson .lesson-chip{background:var(--learning-line);color:var(--learning-muted)}.lesson-step-number{color:var(--learning-muted);font-variant-numeric:tabular-nums;font-size:12px}.lesson-step-check{border:2px solid var(--learning-border);color:#0000;border-radius:50%;place-items:center;width:26px;height:26px;margin-left:auto;font-size:13px;font-weight:900;transition:all .25s;display:grid}.lesson-step[data-completed=true] .lesson-step-check{background:var(--learning-ok);border-color:var(--learning-ok);color:#fff;transform:scale(1.05)}.lesson-step>h2{letter-spacing:-.02em;margin:0 0 14px;font-size:23px;line-height:1.25}.lesson-step--callout{background:var(--learning-action-soft);box-shadow:none;border-color:#0000}.lesson-step--warning{background:#fff4e0}html[data-theme=dark] .lesson .lesson-step--warning{background:#33291a}.lesson-step--info{background:var(--learning-logic)}.lesson-step--callout>h2{font-size:18px}.learning-prose{font-size:17px;line-height:1.75}.learning-prose>:first-child{margin-top:0}.learning-prose h2{letter-spacing:-.01em;margin:26px 0 8px;font-size:19px}.learning-prose p{margin:0 0 14px}.learning-prose ul,.learning-prose ol{margin:0 0 14px;padding-left:24px}.learning-prose li{margin-block:6px}.learning-prose li::marker{color:var(--learning-action);font-weight:700}.learning-prose strong{font-weight:750}.learning-prose code{background:var(--learning-line);border-radius:6px;padding:2px 6px;font:14px ui-monospace,Menlo,monospace}.learning-prose pre{color:#e6edf6;background:#0f1b2d;border-radius:12px;padding:14px 16px;font:13.5px/1.6 ui-monospace,Menlo,monospace;overflow:auto}.learning-prose pre code{color:inherit;background:0 0;padding:0}.lesson-lead{color:var(--learning-muted);margin:0 0 16px;font-size:16px}.learning-hint{color:var(--learning-muted);margin:8px 0 0;font-size:12px}.learning-figure{margin:0}.lesson-figure-zoom{border:1px solid var(--learning-border);cursor:zoom-in;background:#fff;border-radius:14px;display:block;overflow:hidden}.learning-figure img{width:100%;height:auto;display:block}.learning-figure figcaption{color:var(--learning-muted);margin-top:10px;font-size:13px}.lesson-compare{grid-template-columns:1fr 1fr;gap:14px;display:grid}.lesson-compare-tabs{display:none}.lesson-compare-panel{background:var(--learning-line);border-radius:16px;min-width:0;padding:12px}.lesson-compare-panel--bad{background:var(--learning-bad-soft)}.lesson-compare-panel--good{background:var(--learning-ok-soft)}.lesson-compare-panel h3{letter-spacing:.04em;text-transform:uppercase;margin:2px 4px 10px;font-size:13px;font-weight:800}.lesson-compare-panel--bad h3{color:var(--learning-bad)}.lesson-compare-panel--good h3{color:var(--learning-ok)}.lesson iframe{background:#fff;border:0;border-radius:12px;width:100%;height:280px;transition:height .2s;display:block}.lesson-why{margin:10px 4px 2px;font-size:14px;line-height:1.6}.lesson-frame{border:1px solid var(--learning-border);border-radius:14px;overflow:hidden}.learning-logic{background:var(--learning-logic);color:var(--learning-logic-text);border-radius:14px;margin-top:14px;padding:14px 18px}.learning-logic summary{cursor:pointer;font-weight:700}.learning-logic p{margin:10px 0 0;line-height:1.7}.lesson-quiz fieldset{border:0;min-width:0;margin:0;padding:0}.lesson-quiz legend{margin-bottom:12px;padding:0;font-size:17px;font-weight:650;line-height:1.5}.lesson-quiz-mode{color:var(--learning-muted);margin:-6px 0 12px;font-size:13px}.lesson-options{gap:10px;display:grid}.lesson-option{border:2px solid var(--learning-border);cursor:pointer;background:var(--learning-card);border-radius:14px;grid-template-columns:30px 1fr 22px;align-items:center;gap:12px;padding:13px 14px;transition:border-color .15s,background .15s,transform .1s;display:grid;position:relative}.lesson-option:hover{border-color:color-mix(in srgb,var(--learning-action) 50%,var(--learning-border))}.lesson-option:active{transform:scale(.995)}.lesson-option input{opacity:0;pointer-events:none;position:absolute}.lesson-option-key{background:var(--learning-line);border-radius:9px;place-items:center;width:30px;height:30px;font-size:13px;font-weight:800;display:grid}.lesson-option-text{line-height:1.45}.lesson-option:has(input:checked){border-color:var(--learning-action);background:var(--learning-action-soft)}.lesson-option:has(input:checked) .lesson-option-key{background:var(--learning-action);color:var(--learning-action-text)}.lesson-option:has(input:focus-visible){outline:3px solid var(--learning-focus);outline-offset:2px}.lesson-option[data-state=correct]{border-color:var(--learning-ok);background:var(--learning-ok-soft)}.lesson-option[data-state=correct] .lesson-option-key{background:var(--learning-ok);color:#fff}.lesson-option[data-state=correct] .lesson-option-mark{color:var(--learning-ok)}.lesson-option[data-state=incorrect]{border-color:var(--learning-bad);background:var(--learning-bad-soft)}.lesson-option[data-state=incorrect] .lesson-option-key{background:var(--learning-bad);color:#fff}.lesson-option[data-state=incorrect] .lesson-option-mark{color:var(--learning-bad)}.lesson-quiz-actions{flex-wrap:wrap;align-items:center;gap:14px;margin-top:16px;display:flex}.lesson-quiz-feedback{margin:0;font-weight:650}[data-quiz-state=correct] .lesson-quiz-feedback{color:var(--learning-ok)}[data-quiz-state=incorrect] .lesson-quiz-feedback{color:var(--learning-bad)}.lesson-explanation{background:var(--learning-logic);color:var(--learning-logic-text);border-radius:14px;margin-top:14px;padding:14px 16px}.lesson-explanation p{margin:4px 0 0;line-height:1.65}.lesson-hint-box{margin-top:12px;font-size:14px}.lesson-hint-box summary{cursor:pointer;color:var(--learning-muted)}.lesson-task-body{background:var(--learning-line);border-radius:14px;padding:16px 20px;font-size:16px}.lesson-note{margin-top:16px}.lesson-note label{margin-bottom:8px;font-weight:700;display:block}.lesson-note textarea{box-sizing:border-box;resize:vertical;width:100%;min-height:130px;font:inherit;border:2px solid var(--learning-border);background:var(--learning-surface);color:var(--learning-text);border-radius:14px;padding:12px 14px;line-height:1.6;display:block}.lesson-note textarea:focus{border-color:var(--learning-action);outline:none}.lesson-note textarea::placeholder{color:var(--learning-muted);opacity:1}.learning-block-actions{border-top:1px solid var(--learning-line);flex-wrap:wrap;align-items:center;gap:10px;margin-top:20px;padding-top:16px;display:flex}.lesson-button{min-height:44px;font:inherit;cursor:pointer;border:2px solid #0000;border-radius:12px;justify-content:center;align-items:center;gap:8px;padding:10px 20px;font-size:15px;font-weight:700;text-decoration:none;transition:transform .1s,background .2s,box-shadow .2s;display:inline-flex}.lesson-button:active{transform:translateY(1px)}.lesson-button--primary{background:var(--learning-action);color:var(--learning-action-text);box-shadow:0 3px 0 color-mix(in srgb,var(--learning-action) 60%,#000)}.lesson-button--primary:hover{filter:brightness(1.07)}.lesson-button--soft{background:var(--learning-line);color:var(--learning-text)}.lesson-button--lg{min-height:52px;padding:12px 26px;font-size:16px}.lesson-button .when-done{display:none}.lesson-button[aria-pressed=true]{background:var(--learning-ok-soft);color:var(--learning-ok);box-shadow:none;border-color:#0000}.lesson-button[aria-pressed=true] .when-idle{display:none}.lesson-flag{margin-left:auto}.lesson-flag select{font:inherit;color:var(--learning-muted);cursor:pointer;background:0 0;border:1px solid #0000;border-radius:10px;padding:6px 8px;font-size:13px}.lesson-flag select:hover{border-color:var(--learning-border)}.lesson-finish{text-align:center;border:2px dashed var(--learning-border);border-radius:22px;margin-top:8px;padding:32px 24px}.lesson-finish[data-done=true]{background:linear-gradient(160deg,var(--learning-ok-soft),var(--learning-card));border:0}.lesson-finish-done{display:none}.lesson-finish[data-done=true] .lesson-finish-done{display:block}.lesson-finish[data-done=true] .lesson-finish-todo{display:none}.lesson-finish-todo{color:var(--learning-muted);margin:0 0 18px}.lesson-finish-badge{background:var(--learning-ok);color:#fff;border-radius:50%;place-items:center;width:58px;height:58px;font-size:28px;font-weight:900;animation:.5s cubic-bezier(.2,1.6,.4,1) lesson-pop;display:inline-grid}.lesson-finish h2{margin:12px 0 4px;font-size:26px}.lesson-finish-done p{color:var(--learning-muted);margin:0 0 18px}.lesson-next-card{background:var(--learning-card);border:1px solid var(--learning-border);text-align:left;border-radius:16px;gap:2px;max-width:420px;margin:0 auto 18px;padding:14px 18px;display:grid}.lesson-next-card span{letter-spacing:.08em;text-transform:uppercase;color:var(--learning-action);font-size:11px;font-weight:800}.lesson-next-card small{color:var(--learning-muted)}.lesson-finish-actions{flex-wrap:wrap;justify-content:center;gap:12px;display:flex}@keyframes lesson-pop{0%{opacity:0;transform:scale(.4)}to{opacity:1;transform:none}}@media (width<=1280px){.lesson-layout{grid-template-columns:250px minmax(0,1fr)}.lesson-outline{display:none}}@media (width<=1100px){.lesson-layout{grid-template-columns:minmax(0,1fr);padding:22px 20px 32px}.lesson-map-toggle,.lesson-map-close{display:inline-grid}.learning-sidebar{z-index:60;background:var(--learning-surface);visibility:hidden;width:min(340px,88vw);max-height:none;padding:18px;transition:transform .25s,visibility .25s;position:fixed;inset:0 auto 0 0;transform:translate(-105%);box-shadow:8px 0 40px #0003}.is-map-open .learning-sidebar{visibility:visible;transform:none}.lesson-scrim{z-index:50;background:#1118;position:fixed;inset:0}}@media (width<=760px){.lesson{margin-inline:-24px;border-inline:0;border-radius:0;margin-top:0}.lesson-bar{border-radius:0;gap:10px;padding:0 12px}.lesson-bar-course,.lesson-sync{display:none}.lesson-layout{padding:16px 12px 28px}.lesson-step{border-radius:18px;padding:18px 16px}.lesson-step>h2{font-size:20px}.learning-prose{font-size:16px}.lesson-compare{grid-template-columns:1fr}.lesson-compare-tabs{background:var(--learning-line);border-radius:12px;gap:6px;padding:4px;display:flex}.lesson-compare-tab{font:inherit;color:var(--learning-muted);cursor:pointer;background:0 0;border:0;border-radius:9px;flex:1;padding:9px;font-size:14px;font-weight:700}.lesson-compare-tab[aria-selected=true]{background:var(--learning-card);color:var(--learning-text);box-shadow:0 1px 3px #0002}.lesson-compare:not([data-active="1"]) [data-compare-panel="1"],.lesson-compare[data-active="1"] [data-compare-panel="0"]{display:none}.learning-block-actions .lesson-button{flex:1}.lesson-flag{margin-left:0}.lesson-finish{padding:24px 14px}}@media (prefers-reduced-motion:reduce){.lesson *{transition:none!important;animation:none!important}}.lesson.wrap{width:min(1440px,100% - 48px)}@media (width<=760px){.lesson.wrap{box-sizing:border-box;width:100%;margin-inline:0}}.learning-prose h2,.lesson-step>h2{font-weight:750}@media (width<=760px){.lesson-compare-panel h3{display:none}}html:has(.lesson){scroll-padding-top:80px}.lesson :is(a,button,input,label,select,textarea,summary,iframe){scroll-margin-top:80px;scroll-margin-bottom:24px}.lesson-option input{opacity:0;pointer-events:auto;cursor:pointer;z-index:1;width:100%;height:100%;margin:0;position:absolute;inset:0}.course-page{--c-card:#fff;--c-text:#29262c;--c-muted:#685e62;--c-border:#ebe1d8;--c-line:#f2ebe4;--c-action:#8c3937;--c-action-soft:#f7e6e1;--c-ok:#1d7a55;--c-ok-soft:#e3f4ec;color:var(--c-text);padding-block:20px 90px}.course-back{color:var(--c-muted);margin-bottom:18px;font-size:13px;display:inline-block}.course-back:hover{color:var(--c-action)}.course-hero{grid-template-columns:minmax(0,1fr) 360px;align-items:start;gap:28px;display:grid}.course-hero-main{background:linear-gradient(150deg,#ecdeda,#f6ece6 60%,#fff8ef);border-radius:28px;padding:40px 44px}.course-kicker{color:var(--c-action);margin:0 0 12px;font-size:13px;font-weight:700}.course-hero h1{letter-spacing:-.04em;margin:0 0 18px;font-size:clamp(36px,5vw,60px);line-height:1.02}.course-description{color:#4f4649;max-width:62ch;margin:0;font-size:18px;line-height:1.65}.course-facts{flex-wrap:wrap;gap:10px;margin:26px 0 0;padding:0;list-style:none;display:flex}.course-facts li{background:#fffcf7cc;border:1px solid #29262c14;border-radius:16px;min-width:92px;padding:10px 16px;display:grid}.course-facts strong{letter-spacing:-.02em;font-size:22px}.course-facts span{color:var(--c-muted);font-size:12px}.course-review{color:var(--c-muted);margin:18px 0 0;font-size:12px}.course-panel{background:var(--c-card);border:1px solid var(--c-border);border-radius:28px;justify-items:start;gap:12px;padding:28px;display:grid;position:sticky;top:20px;box-shadow:0 1px 2px #29262c0a,0 12px 32px #29262c12}.course-panel-title{letter-spacing:-.02em;margin:0;font-size:22px;font-weight:750}.course-panel-meta{color:var(--c-muted);margin:0;font-size:14px;line-height:1.55}.course-panel-meta:empty{display:none}.course-panel-done{margin:0;line-height:1.55}.course-panel-link{border-bottom:1px solid #c49583;padding-bottom:2px;font-size:14px;font-weight:650}.course-panel-link:hover{color:var(--c-action)}.course-page .course-cta{background:var(--c-action);color:#fff8ef;cursor:pointer;border:0;border-radius:14px;justify-content:center;width:100%;min-height:54px;font-size:16px;box-shadow:0 3px #5c2523}.course-page .course-cta:hover{background:#7a302e;transform:translateY(-1px)}.course-ring{--p:0;background:conic-gradient(var(--c-ok) calc(var(--p)*1%),var(--c-line) 0);border-radius:50%;place-items:center;width:112px;height:112px;display:grid}.course-ring span{background:var(--c-card);border-radius:50%;place-items:center;width:86px;height:86px;font-size:24px;font-weight:800;display:grid}.course-formats{margin-top:44px}.course-page h2{letter-spacing:-.03em;margin:0 0 18px;font-size:clamp(26px,3vw,34px)}.course-formats ol{grid-template-columns:repeat(5,1fr);gap:12px;margin:0;padding:0;list-style:none;display:grid}.course-formats li{background:var(--c-card);border:1px solid var(--c-border);border-radius:18px;padding:16px}.course-formats p{color:var(--c-muted);margin:10px 0 0;font-size:14px;line-height:1.5}.course-program{max-width:900px;margin-top:48px}.course-module{background:var(--c-card);border:1px solid var(--c-border);border-radius:22px;margin-bottom:12px;overflow:hidden}.course-module summary{cursor:pointer;grid-template-columns:auto 1fr auto;align-items:center;gap:16px;padding:18px 22px;list-style:none;display:grid}.course-module summary::-webkit-details-marker{display:none}.course-module summary:hover{background:#fdf8f3}.course-module-index{color:var(--c-action);background:var(--c-action-soft);font-variant-numeric:tabular-nums;border-radius:10px;padding:6px 9px;font-size:13px;font-weight:800}.course-module-title{display:grid}.course-module-title strong{letter-spacing:-.01em;font-size:18px}.course-module-title small{color:var(--c-muted);font-size:13px}.course-module-chevron{font-size:20px;transition:transform .2s}.course-module[open] .course-module-chevron{transform:rotate(180deg)}.course-lessons{border-top:1px solid var(--c-line);margin:0;padding:4px 12px 12px;list-style:none}.course-lesson{border-radius:14px;grid-template-columns:34px 1fr auto;align-items:center;gap:14px;padding:12px 10px;display:grid;position:relative}.course-lesson:hover{background:#fbf5ef}.course-lesson-mark{border:2px solid var(--c-border);width:32px;height:32px;color:var(--c-muted);font-variant-numeric:tabular-nums;border-radius:50%;place-items:center;font-size:13px;font-weight:800;display:grid}.course-lesson[data-state=done] .course-lesson-mark{background:var(--c-ok);border-color:var(--c-ok);color:#fff}.course-lesson[data-state=progress] .course-lesson-mark{border-color:var(--c-action);color:var(--c-action)}.course-lesson[data-state=locked] .course-lesson-mark{border:0;font-size:15px}.course-lesson[data-state=locked] .course-lesson-title{color:var(--c-muted)}.course-lesson[data-current]{background:var(--c-action-soft)}.course-lesson-title{font-weight:600;line-height:1.35}.course-lesson-title:after{content:"";border-radius:14px;position:absolute;inset:0}.course-lesson-title:focus-visible{outline:none}.course-lesson:has(.course-lesson-title:focus-visible){outline:3px solid var(--ui-focus);outline-offset:2px}.course-lesson-meta{color:var(--c-muted);white-space:nowrap;align-items:center;gap:10px;font-size:13px;display:flex}.course-lesson-percent{text-align:right;font-variant-numeric:tabular-nums;min-width:38px}.course-lesson[data-state=new] .course-lesson-percent,.course-lesson[data-state=locked] .course-lesson-percent{display:none}.course-lesson[data-state=done] .course-lesson-percent{color:var(--c-ok);font-weight:700}.course-free,.course-next{border-radius:99px;padding:3px 9px;font-size:11px;font-weight:750}.course-free{background:var(--c-ok-soft);color:var(--c-ok)}.course-next{background:var(--c-action);color:#fff8ef}.course-updated{color:var(--c-muted);grid-column:2/-1;font-size:12px}@media (width<=1050px){.course-hero{grid-template-columns:1fr}.course-panel{position:static}.course-formats ol{grid-template-columns:repeat(2,1fr)}}@media (width<=760px){.course-hero-main{border-radius:22px;padding:26px 22px}.course-description{font-size:16px}.course-panel{border-radius:22px;padding:22px}.course-formats ol{grid-template-columns:1fr}.course-module summary{padding:16px}.course-lessons{padding:4px 6px 8px}.course-lesson{grid-template-columns:30px 1fr;gap:10px}.course-lesson-mark{width:28px;height:28px}.course-lesson-meta{flex-wrap:wrap;grid-column:2}}html[data-theme=dark] .course-page{--c-card:#1c2128;--c-text:#eef1f5;--c-muted:#aeb7c4;--c-border:#2d343e;--c-line:#262c35;--c-action:#f2a99a;--c-action-soft:#3a2622;--c-ok:#6fd3a7;--c-ok-soft:#173528}html[data-theme=dark] .course-hero-main{background:linear-gradient(150deg,#2a2224,#1e1f25 60%,#16181d)}html[data-theme=dark] .course-description{color:#c9cfd8}html[data-theme=dark] .course-facts li{background:#ffffff0d;border-color:#ffffff14}html[data-theme=dark] .course-page .course-cta{color:#2a1714;background:#f2a99a;box-shadow:0 3px #b86f60}html[data-theme=dark] .course-module summary:hover,html[data-theme=dark] .course-lesson:hover{background:#232932}html[data-theme=dark] .course-next{color:#2a1714}html[data-theme=dark] .course-lesson[data-state=done] .course-lesson-mark{color:#10241b}html[data-theme=dark] .lesson-chip{color:#aeb7c4;background:#262c35}html[data-theme=dark] .lesson-chip--theory{color:#b9a5ff}html[data-theme=dark] .lesson-chip--figure{color:#8fb8ff}html[data-theme=dark] .lesson-chip--comparison{color:#f0c46b}html[data-theme=dark] .lesson-chip--quiz{color:#6fd3a7}html[data-theme=dark] .lesson-chip--task{color:#f2a99a}.courses-page{padding-block:24px 90px}.courses-head{max-width:760px;margin-bottom:34px}.courses-head h1{letter-spacing:-.04em;margin:0 0 16px;font-size:clamp(36px,5vw,58px);line-height:1.04}.courses-head h1 span{color:var(--teal)}.courses-head>p:last-child{color:#5f5559;margin:0;font-size:18px;line-height:1.65}.courses-card{border:1px solid #29262c0f;border-radius:28px;grid-template-columns:minmax(0,1fr);gap:28px;margin-bottom:20px;padding:34px 38px;display:grid}.courses-card--featured{grid-template-columns:minmax(0,1.4fr) minmax(260px,1fr);padding:44px}.courses-card h2{letter-spacing:-.035em;margin:0 0 12px;font-size:clamp(28px,3.4vw,42px);line-height:1.08}.courses-card:not(.courses-card--featured) h2{font-size:26px}.courses-card h2 a:hover{text-underline-offset:5px;text-decoration:underline}.courses-card-tags{gap:8px;min-height:0;margin:0 0 12px;display:flex}.courses-card-tags:empty{display:none}.courses-preview{background:#29262c14;border-radius:99px;padding:3px 9px;font-size:11px;font-weight:750}.courses-card-description{color:#4f4649;max-width:62ch;margin:0;font-size:16px;line-height:1.65}.courses-card-facts{flex-wrap:wrap;gap:8px;margin:18px 0 0;padding:0;list-style:none;display:flex}.courses-card-facts li{background:#fffcf7b3;border-radius:99px;padding:6px 12px;font-size:13px;font-weight:650}.courses-progress{align-items:center;gap:12px;margin-top:18px;font-size:13px;font-weight:700;display:flex}.courses-progress .lesson-meter{background:#fffcf7b3;border-radius:99px;flex:1;max-width:320px;height:8px;margin:0;overflow:hidden}.courses-progress .lesson-meter span{background:#1d7a55;height:100%;display:block}.courses-card-actions{flex-wrap:wrap;align-items:center;gap:22px;margin-top:24px;display:flex}.course-cta-sm{background:var(--teal);color:#fff8ef;border-radius:14px;align-items:center;min-height:50px;padding:0 24px;font-weight:750;transition:transform .15s;display:inline-flex;box-shadow:0 3px #5c2523}.course-cta-sm:hover{transform:translateY(-1px)}.courses-card-link{border-bottom:1px solid;padding-bottom:2px;font-size:14px;font-weight:700}.courses-card-modules{background:#fffcf7cc;border-radius:22px;align-self:start;gap:4px;margin:0;padding:22px;list-style:none;display:grid}.courses-card-modules li{border-bottom:1px solid #29262c12;align-items:baseline;gap:12px;padding:9px 4px;font-size:15px;font-weight:600;display:flex}.courses-card-modules li:last-child{border:0}.courses-card-modules span{color:var(--teal);font-variant-numeric:tabular-nums;font-size:12px;font-weight:800}.courses-empty{font-size:17px}html[data-theme=dark] .courses-head>p:last-child,html[data-theme=dark] .courses-card-description{color:#c3c9d2}html[data-theme=dark] :is(.courses-card-facts li,.courses-card-modules,.courses-progress .lesson-meter){background:#0003}html[data-theme=dark] .course-cta-sm{color:#2a1714;box-shadow:0 3px #b86f60}@media (width<=900px){.courses-card--featured{grid-template-columns:1fr;padding:28px}.courses-card{padding:26px 22px}}.lesson-option-mark{width:20px;height:20px}.lesson-option[data-state] .lesson-option-mark{-webkit-mask:var(--mark) center/contain no-repeat;-webkit-mask:var(--mark) center/contain no-repeat;mask:var(--mark) center/contain no-repeat;background:currentColor}.lesson-option[data-state=correct]{--mark:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m5 12.5 4.5 4.5L19 7.5'/%3E%3C/svg%3E")}.lesson-option[data-state=incorrect]{--mark:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='3' stroke-linecap='round'%3E%3Cpath d='M6 6l12 12M18 6 6 18'/%3E%3C/svg%3E")}.lesson-option[data-state=""] .lesson-option-mark{background:0 0}.lesson-icon-button .ui-icon{vertical-align:0}.lesson-map-dot .ui-icon{display:block}.is-locked .lesson-map-dot{color:var(--learning-muted)}.lesson-map-memory,.course-panel-link,.lesson-note label{align-items:center;gap:7px;display:inline-flex}.lesson-flag{color:var(--learning-muted);align-items:center;gap:2px;display:inline-flex}.lesson-compare-tab,.lesson-compare-panel h3{justify-content:center;align-items:center;gap:6px;display:inline-flex}.lesson-compare-panel h3{justify-content:flex-start;display:flex}.lesson-button .when-done,.lesson-button .when-idle{align-items:center;gap:6px}.lesson-button[aria-pressed=true] .when-done,.lesson-button .when-idle{display:inline-flex}.lesson-step-check .ui-icon,.lesson-finish-badge .ui-icon{display:block}.lesson-next-card small .ui-icon{vertical-align:-2px}.course-lesson-mark .ui-icon--check{display:none}.course-lesson[data-state=done] .course-lesson-mark .ui-icon--check{display:block}.course-lesson[data-state=done] .course-lesson-num{display:none}.course-lesson[data-state=locked] .course-lesson-mark{color:var(--c-muted)}.course-panel-done{align-items:flex-start;gap:8px;display:flex}.course-panel-done .ui-icon{color:var(--c-ok);margin-top:2px}.course-inline-icon{color:#d9773a;vertical-align:-2px;display:inline-flex}.course-module-chevron{place-items:center;display:grid}.course-cta .ui-icon,.course-cta-sm .ui-icon{margin-left:4px}.printable-page{padding-block:48px 72px}.printable-page h1{max-width:950px}.printable-lead{max-width:850px;font-size:1.15rem;line-height:1.65}.printable-filters,.printable-breadcrumbs{flex-wrap:wrap;gap:12px;margin-block:24px;display:flex}.printable-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;margin-block:32px;display:grid}.printable-card{flex-direction:column;gap:12px;min-width:0;display:flex}.printable-card img{object-fit:contain;background:#fff;width:100%;height:auto;max-height:300px;display:block}.printable-card h2{font-size:1.3rem}.printable-card p{line-height:1.6}.printable-card>.ui-button{margin-top:auto}.printable-hero{grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);align-items:start;gap:40px;margin-block:36px;display:grid}.printable-preview{background:var(--color-control-surface);border:1px solid var(--color-border);padding:24px}.printable-preview img{background:#fff;width:100%;height:auto;display:block}.printable-controls{flex-direction:column;gap:18px;display:flex}.printable-controls form{gap:12px;display:grid}.printable-controls select{width:100%;font:inherit;background:var(--color-surface-elevated);color:var(--color-text-base);border:1px solid var(--color-border);border-radius:8px;padding:12px}.printable-help{color:var(--color-text-muted);font-size:.95rem;line-height:1.6}.printable-copy{max-width:820px;margin-block:48px;line-height:1.75}.printable-copy h3{margin-block:24px 8px}.printable-copy li{margin-bottom:12px}.printable-days{padding:0;list-style:none}.printable-days li{border-bottom:1px solid var(--color-border);padding-block:12px;scroll-margin-top:24px}.printable-copy details{border-bottom:1px solid var(--color-border);padding-block:16px}.printable-copy summary{cursor:pointer;font-weight:600}.printable-json{width:100%;margin-block:12px 24px;font:14px/1.6 monospace;display:block}.printable-review-list{gap:16px;display:grid}.printable-page a:focus-visible,.printable-page summary:focus-visible,.printable-page select:focus-visible{outline:3px solid var(--ui-focus);outline-offset:4px}@media (width<=800px){.printable-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.printable-hero{grid-template-columns:1fr}.printable-preview{max-width:500px}.printable-page{padding-block:28px 48px}}@media (width<=480px){.printable-grid{grid-template-columns:1fr}.printable-hero{gap:20px}.printable-page h1{font-size:2rem}.printable-preview{padding:12px}.printable-controls{padding:20px}}.printable-page{--ui-text:var(--ink);--ui-surface:var(--canvas);--color-text-base:var(--ink);--color-text-muted:var(--ink);--color-surface-elevated:var(--canvas)}.printable-help{opacity:.85}.printable-page .ui-button--primary:hover{background:var(--ui-primary);filter:brightness(1.05)}.printable-page h1{margin-block:12px 20px;font-size:clamp(34px,4vw,56px)}.printable-controls h2{font-size:clamp(24px,3vw,32px)}.printable-copy h2{margin-bottom:18px;font-size:clamp(26px,3vw,36px)}