@import url("/fonts/golos/golos.css");@import url("/fonts/montserrat/montserrat.css");:root{--sky:#2e9bdc;--deep:#1567a6;--pill:#f1f4f8;--pill2:#e4e8ee;--ink:#0e1a2b;--mute:#5b6676;--white:#ffffff;--red:#e23b3b;--green:#1e9e6a;--navy:#0b1f3f;--navy-2:#163463;--navy-text:#c9d4e5;--navy-mute:#8fa3c0;--bg:#f4f6f9;--line:#e4e8ee;--line-soft:#eef1f5;--body:#1f2a3a;--red-ink:#b42318;--red-bg:#fdecec;--green-ink:#157a52;--green-bg:#e3f4ec;--amber-ink:#8a5300;--amber-bg:#fff4e0;--sky-bg:#e8f4fc;--r-row:14px;--r-card:18px;--r-block:20px;--r-btn:12px;--r-pill:999px;--shadow-1:0 1px 2px rgb(14 26 43/0.04);--shadow-2:0 8px 24px rgb(14 26 43/0.07);--tap:44px;--measure:70ch;--font:"Golos Text","Segoe UI",system-ui,-apple-system,sans-serif;--font-head:"Montserrat","Golos 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64px}.stack{display:grid;grid-gap:20px;gap:20px}.stack-sm{display:grid;grid-gap:8px;gap:8px}.actions{display:flex;flex-wrap:wrap;gap:10px}.foot{padding-top:26px;font-size:12px;color:var(--mute);text-align:center}.logo{display:inline-flex;align-items:baseline;font-family:var(--font-head);font-weight:700;line-height:1;letter-spacing:.06em;text-transform:uppercase;color:var(--ink);white-space:nowrap}.logo-small{font-size:13px}.logo-medium{font-size:16px}.logo-large{font-size:22px;letter-spacing:.08em}.logo-img{width:auto;display:block}.logo-img.logo-small{height:26px}.logo-img.logo-medium{height:40px}.logo-img.logo-large{height:56px}.top{display:flex;align-items:center;gap:12px;padding:12px 20px;background:var(--white);border-bottom:1px solid var(--line)}.top-site{font-size:11px;line-height:1.3;color:var(--mute)}.top-site b{display:block;font-size:12px;font-weight:700;color:var(--ink)}.top-role{max-width:44%;padding:7px 12px;font-weight:500;color:var(--deep);background:var(--pill);border-radius:var(--r-pill);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.top-ava,.top-role{margin-left:auto;font-size:12px}.top-ava{flex:none;display:grid;place-items:center;width:34px;height:34px;font-weight:700;color:var(--white);background:var(--sky);border-radius:50%}.top-role+.top-ava{margin-left:0}@media (max-width:480px){.top{flex-wrap:wrap;gap:10px;row-gap:8px;padding:10px 14px}.top-role{order:3;margin-left:0;max-width:calc(100% - 46px)}.top-ava{order:4;margin-left:auto}}.nav{display:flex;flex-wrap:wrap;gap:6px;padding:8px 20px 12px;background:var(--white);border-bottom:1px solid var(--line)}.nav,.nav-item{align-items:center}.nav-item{display:inline-flex;min-height:var(--tap);padding:8px 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b,.side-mark{color:var(--white);font-family:var(--font-head);font-weight:700}.side-logo b{display:block;font-size:13.5px;letter-spacing:.06em}.side-logo span{display:block;margin-top:2px;font-size:12px;color:var(--navy-mute)}.side-nav{flex:1 1;padding:10px 16px;overflow-y:auto;scrollbar-width:thin;scrollbar-color:rgb(255 255 255/.15) transparent}.side-group{padding:18px 12px 6px;font-size:11px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:#7088aa}.side-item{display:flex;align-items:center;gap:12px;width:100%;min-height:42px;padding:9px 12px;border:0;border-radius:10px;background:none;color:var(--navy-text);font-family:var(--font);font-size:14.5px;font-weight:400;line-height:1.25;text-align:left;cursor:pointer}.side-icon{flex:none;width:18px;height:18px;fill:none;stroke:#7f96b8;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}.side-item:hover{background:rgb(255 255 255/.06);color:var(--white)}.side-item-on{background:var(--navy-2);box-shadow:inset 3px 0 0 var(--sky);color:var(--white);font-weight:500}.side-item-on .side-icon{stroke:#5bb6ea}.side-foot{margin:0 16px;padding-top:12px;border-top:1px solid rgb(255 255 255/.08)}.side-me{display:flex;align-items:center;gap:12px;margin:12px 16px 0;padding:10px 12px;border-radius:12px;border:1px solid rgb(255 255 255/.08);background:rgb(255 255 255/.04);color:inherit;text-decoration:none;transition:background .15s ease}.side-me-on,.side-me:hover{background:rgb(255 255 255/.1)}.side-logo-img{display:grid;grid-gap:8px;gap:8px;justify-items:center;padding:0 4px 18px}.side-logo-img img{display:block;width:100%;max-width:220px;height:auto;padding:10px 14px;border-radius:14px;background:var(--white)}.side-logo-img span{margin:0;text-align:center}.side-ava{flex:none;display:grid;place-items:center;width:36px;height:36px;border-radius:50%;background:var(--sky);color:var(--white);font-size:13px;font-weight:600}.ava-preset{color:#fff}.ava-preset svg{width:58%;height:58%;stroke-width:1.9}.ava-lg{display:grid;place-items:center;width:72px;height:72px;border-radius:50%;background:var(--sky);color:var(--white);font-family:var(--font-head);font-size:24px;font-weight:700}.ava-grid{display:flex;flex-wrap:wrap;gap:8px;max-width:900px}.ava-choice{display:flex;flex-direction:column;align-items:center;justify-content:flex-start;gap:8px;width:92px;height:100px;padding:10px 0 0;border:2px solid transparent;border-radius:16px;background:transparent;font:inherit;font-size:12.5px;line-height:1.2;color:var(--mute,#5b6676);cursor:pointer;transition:background .15s ease}.ava-choice:hover{background:rgb(14 26 43/.05)}.ava-choice-on,.ava-choice-on:hover{border-color:var(--sky);background:var(--white);color:var(--ink)}.ava-choice .ava-lg{flex:none;width:52px;height:52px;font-size:17px}.ava-choice span{white-space:nowrap}.side-me b{display:block;font-size:14px;font-weight:500;color:var(--white)}.side-me span{display:block;font-size:12px;color:var(--navy-mute)}.side-foot .side-item{font-size:14px;min-height:38px}.main{flex:1 1;min-width:0;flex-direction:column}.head,.main{display:flex}.head{position:-webkit-sticky;position:sticky;top:0;z-index:5;align-items:center;justify-content:space-between;gap:12px;min-height:56px;padding:10px 40px;background:rgb(255 255 255/.92);-webkit-backdrop-filter:saturate(1.4) blur(8px);backdrop-filter:saturate(1.4) blur(8px);border-bottom:1px solid var(--line)}.who{margin-left:auto;font-size:13.5px;color:var(--mute)}.who b{font-weight:600}.burger,.who b{color:var(--ink)}.burger{display:none;align-items:center;justify-content:center;min-width:var(--tap);min-height:var(--tap);padding:7px 11px;font-size:17px;line-height:1;background:var(--white);border:1px solid var(--line);border-radius:10px;cursor:pointer}.nav-toggle:focus-visible~.shell .burger{outline:2px solid 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14px;font-size:13.5px}.btn-wide{width:100%}.form{display:grid;grid-gap:16px;gap:16px}.field,.field-label{display:block}.field-label{margin-bottom:6px;font-size:13px;font-weight:600;color:var(--ink)}.field-optional{font-weight:400;color:var(--mute);text-transform:none}.field-input{display:block;width:100%;min-height:var(--tap);padding:11px 14px;font-size:15px;color:var(--ink);background:var(--white);border:1px solid #d5dce5;border-radius:var(--r-btn);-webkit-appearance:none;-moz-appearance:none;appearance:none}.field-input::placeholder{color:#8a95a5}.field-input:focus{outline:none;border-color:var(--sky);box-shadow:0 0 0 3px rgb(46 155 220/.18)}.field-input:disabled{opacity:.6;cursor:default}.field-input[aria-invalid=true]{border-color:var(--red)}.field-hint{color:var(--mute)}.field-error,.field-hint{display:block;margin-top:6px;font-size:12.5px}.field-error{font-weight:600;color:var(--red-ink)}.card{padding:20px 22px;background:var(--white);border:1px solid 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svg{flex:none;width:16px;height:16px;fill:none;stroke:#8a95a5;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}.lesson-chev{width:20px;height:20px;stroke:#a0aab8}@media (max-width:640px){.course-hero{padding:22px 20px}.course-hero-text h1{font-size:26px}.course-progress{max-width:none;margin-left:0}.lesson{flex-wrap:wrap;padding:16px}.lesson-meta{margin-left:58px}.lesson-chev{display:none}}.lesson-page{display:flex;flex-wrap:wrap;align-items:flex-start;gap:48px}.article{flex:999 1 560px;min-width:0;max-width:780px}.article-head h1{margin:8px 0 12px;font-size:34px}.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:8px 20px;margin-top:16px;font-size:14px;color:var(--mute)}.article-meta span{display:inline-flex;align-items:center;gap:6px}.article-meta svg{width:16px;height:16px;fill:none;stroke:#8a95a5;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}.prose{margin-top:32px;display:grid;grid-gap:18px;gap:18px}.prose,.prose 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