:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--paper:#faf7f2;--paper-2:#f2ede4;--paper-3:#e9e2d6;--white:#fff;--ink:#111214;--ink-2:#3c3f47;--muted:#7a7f8a;--line:#e4ded3;--line-2:#d3cbbd;--brand:#fc7a03;--brand-ink:#c45e00;--brand-soft:#fff1e4;--brand-soft-2:#ffe3c7;--ok:#1f9d55;--ok-soft:#e6f6ec;--bad:#c53030;--bad-soft:#fdecec;--warn:#b7791f;--warn-soft:#fbf0d9;--font-display:"Prata", Georgia, serif;--font-body:"Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--top-h:60px;--side-w:290px;--r:12px}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{background:var(--paper);color:var(--ink);font:400 16px/1.6 var(--font-body);-webkit-font-smoothing:antialiased;margin:0}a{color:var(--brand-ink)}h1,h2,h3{margin:0 0 .5em;line-height:1.2}h1{font-family:var(--font-display);letter-spacing:-.01em;font-size:clamp(1.8rem,4vw,2.6rem);font-weight:400}h2{font-size:1.25rem;font-weight:700}h3{font-size:.95rem;font-weight:600}img{max-width:100%}button{font:inherit;cursor:pointer}.top{z-index:30;height:var(--top-h);-webkit-backdrop-filter:saturate(1.4)blur(8px);backdrop-filter:saturate(1.4)blur(8px);border-bottom:1px solid var(--line);background:#faf7f2eb;align-items:center;gap:16px;padding:0 20px;display:flex;position:sticky;top:0}.logo{color:var(--ink);flex-shrink:0;align-items:center;gap:10px;text-decoration:none;display:flex}.logo-mark{background:var(--ink);width:32px;height:32px;color:var(--brand);border-radius:9px;place-items:center;font-size:15px;font-weight:700;display:grid}.logo-text{font-family:var(--font-display);font-size:1.15rem}.icon-btn{color:var(--ink);background:0 0;border:0;border-radius:8px;padding:6px}.icon-btn:hover{background:var(--paper-2)}.burger{display:none}.search{flex:1;max-width:420px;margin-left:auto;position:relative}.search input{border:1px solid var(--line);background:var(--white);width:100%;height:38px;font:inherit;color:var(--ink);border-radius:10px;outline:none;padding:0 12px 0 34px;font-size:14px}.search input:focus{border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-soft)}.search-ic{color:var(--muted);position:absolute;top:11px;left:11px}.search-pop{background:var(--white);border:1px solid var(--line);border-radius:12px;max-height:60vh;padding:6px;position:absolute;top:44px;left:0;right:0;overflow:auto;box-shadow:0 12px 32px #1112141f}.search-item{text-align:left;background:0 0;border:0;border-radius:8px;width:100%;padding:8px 10px;display:block}.search-item:hover{background:var(--paper)}.search-item b{font-size:14px;display:block}.search-item span{color:var(--muted);font-size:12.5px;display:block}.search-empty{color:var(--muted);margin:8px 10px;font-size:14px}.top-right{align-items:center;gap:14px;display:flex}.ring{width:34px;height:34px;position:relative}.ring span{place-items:center;font-size:9.5px;font-weight:700;display:grid;position:absolute;inset:0}.langs{background:var(--paper-2);border-radius:9px;padding:3px;display:flex}.langs button{color:var(--muted);background:0 0;border:0;border-radius:7px;padding:4px 9px;font-size:12.5px;font-weight:600}.langs button.on{background:var(--white);color:var(--ink);box-shadow:0 1px 2px #00000014}.shell{min-height:calc(100vh - var(--top-h));display:flex}.side{width:var(--side-w);top:var(--top-h);height:calc(100vh - var(--top-h));border-right:1px solid var(--line);flex-shrink:0;align-self:flex-start;padding:18px 14px 40px;position:sticky;overflow-y:auto}.main{flex:1;min-width:0;padding:40px 48px 80px}.scrim{display:none}.nav a{color:var(--ink-2);text-decoration:none}.nav-home{border-radius:8px;margin-bottom:10px;padding:7px 10px;font-weight:600;display:block}.nav-home.cur,.nav-home:hover{background:var(--paper-2);color:var(--ink)}.nav-mod{margin-bottom:14px}.nav-mod-title{text-transform:uppercase;letter-spacing:.06em;color:var(--muted);align-items:center;gap:8px;margin:0 0 4px;padding:0 10px;font-size:12px;font-weight:700;display:flex}.nav-num{background:var(--paper-3);width:18px;height:18px;color:var(--ink-2);border-radius:5px;place-items:center;font-size:10.5px;display:grid}.nav-count,.nav-soon{letter-spacing:0;text-transform:none;margin-left:auto;font-style:normal;font-weight:600}.nav-soon{color:var(--line-2)}.nav-mod.soon .nav-mod-title{opacity:.55}.nav-lesson{border-radius:8px;align-items:flex-start;gap:10px;padding:6px 10px;font-size:14px;line-height:1.35;display:flex}.nav-lesson:hover{background:var(--paper-2)}.nav-lesson.cur{background:var(--brand-soft);color:var(--ink);font-weight:600}.nav-lesson .dot{border:2px solid var(--line-2);border-radius:50%;flex-shrink:0;width:14px;height:14px;margin-top:2px}.nav-lesson.done .dot{border-color:var(--ok);background:var(--ok) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'%3E%3Cpath d='M3 6.2 5 8l4-4.2' fill='none' stroke='white' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/10px no-repeat}.nav-final{border:1px dashed var(--line-2);border-radius:8px;margin-top:6px;padding:9px 10px;font-weight:600;display:block;color:var(--ink)!important}.nav-final.cur,.nav-final:hover{background:var(--brand-soft);border-color:var(--brand)}.nav-final.locked{opacity:.55}.btn{border:1px solid var(--line-2);background:var(--white);height:42px;color:var(--ink);white-space:nowrap;border-radius:10px;align-items:center;gap:8px;padding:0 18px;font-size:15px;font-weight:600;text-decoration:none;display:inline-flex}.btn:hover{border-color:var(--ink-2)}.btn.primary{background:var(--ink);border-color:var(--ink);color:#fff}.btn.primary:hover{background:#2a2c31}.btn.ghost{background:0 0}.btn.ok{background:var(--ok-soft);border-color:var(--ok);color:var(--ok)}.btn.small{height:34px;padding:0 14px;font-size:14px}.btn:disabled{opacity:.45;cursor:not-allowed}.link-btn{color:var(--muted);background:0 0;border:0;font-size:13px;text-decoration:underline}.row{flex-wrap:wrap;gap:10px;display:flex}.home{max-width:1060px}.eyebrow{letter-spacing:.12em;text-transform:uppercase;color:var(--brand-ink);margin:0 0 10px;font-size:12.5px;font-weight:700}.hero{border-bottom:1px solid var(--line);margin-bottom:32px;padding:12px 0 36px}.hero h1{max-width:16ch;font-size:clamp(2rem,5vw,3.3rem)}.lead{color:var(--ink-2);max-width:62ch;font-size:1.12rem}.hero-actions{flex-wrap:wrap;gap:12px;margin:26px 0 30px;display:flex}.hero-stats{flex-wrap:wrap;gap:36px;display:flex}.hero-stats b{font-family:var(--font-display);font-size:2rem;font-weight:400;display:block}.hero-stats span{color:var(--muted);font-size:13px}.mods{grid-template-columns:repeat(auto-fill,minmax(310px,1fr));gap:18px;display:grid}.mod-card{background:var(--white);border:1px solid var(--line);border-radius:16px;padding:22px}.mod-card header{gap:14px;margin-bottom:14px;display:flex}.mod-num{font-family:var(--font-display);color:var(--brand);font-size:1.6rem;line-height:1}.mod-card h2{margin-bottom:4px;font-size:1.1rem}.mod-card header p{color:var(--muted);margin:0;font-size:14px;line-height:1.45}.mod-card.soon{background:0 0;border-style:dashed}.mod-card.soon h2{color:var(--ink-2)}.mod-soon{color:var(--muted);margin:0;font-size:13.5px}.mod-lessons{border-top:1px solid var(--line);margin:0;padding:0;list-style:none}.mod-lessons li{border-bottom:1px solid var(--paper-3);justify-content:space-between;align-items:center;gap:12px;padding:9px 0;font-size:14.5px;display:flex}.mod-lessons li:last-child{border-bottom:0}.mod-lessons a{color:var(--ink);align-items:center;gap:10px;text-decoration:none;display:flex}.mod-lessons a:hover{color:var(--brand-ink)}.mod-lessons small{color:var(--muted);white-space:nowrap}.tick{border:2px solid var(--line-2);border-radius:50%;flex-shrink:0;width:14px;height:14px}.mod-lessons li.done .tick{border-color:var(--ok);background:var(--ok)}.home-foot{margin-top:28px}.lesson{max-width:780px}.cards-2{grid-template-columns:1fr 1fr;gap:14px;margin:22px 0 30px;display:grid}.card{background:var(--white);border:1px solid var(--line);border-radius:var(--r);padding:16px 18px}.card h3{color:var(--muted);text-transform:uppercase;letter-spacing:.06em;margin-bottom:6px;font-size:12.5px}.card p{margin:0}.card.goal{border-left:4px solid var(--brand)}.ui{background:var(--paper-2);border:1px solid var(--line);color:var(--ink);white-space:normal;border-radius:6px;padding:1px 7px;font-size:.92em;font-weight:600;display:inline}.ui i{color:var(--brand);margin:0 3px;font-style:normal}.prose{font-size:1.04rem}.prose h2{margin-top:1.8em}.prose ol,.prose ul{padding-left:1.4em}.prose ol>li{margin:.45em 0;padding-left:.2em}.prose ol>li::marker{color:var(--brand-ink);font-weight:700}.prose blockquote{background:var(--brand-soft);border-left:4px solid var(--brand);color:var(--ink-2);border-radius:10px;margin:1.2em 0;padding:12px 16px}.prose blockquote p{margin:0}.prose code{background:var(--paper-2);border-radius:5px;padding:1px 5px;font-size:.9em}.prose table{border-collapse:collapse;width:100%;margin:1em 0;font-size:.95rem;display:block;overflow-x:auto}.prose th,.prose td{border:1px solid var(--line);text-align:left;vertical-align:top;padding:8px 10px}.prose th{background:var(--paper-2)}.shot{margin:1.4em 0}.shot img{border:1px solid var(--line);background:var(--white);border-radius:12px;width:100%;display:block;box-shadow:0 8px 28px #11121414}.shot figcaption{color:var(--muted);text-align:center;margin-top:8px;font-size:13.5px}.block{border-top:1px solid var(--line);margin-top:36px;padding-top:26px}.block.warn ul{gap:10px;margin:0;padding:0;list-style:none;display:grid}.block.warn li{background:var(--warn-soft);border-radius:10px;padding:12px 14px}.block.warn li b{margin-bottom:2px;display:block}.block.warn li span{color:var(--ink-2)}.block.task{background:var(--white);border:1px solid var(--line);border-radius:14px;padding:20px 22px}.block.task .btn{margin-top:12px}.quiz{gap:14px;display:grid}.q{background:var(--white);border:1px solid var(--line);border-radius:12px;padding:16px 18px}.q.right{border-color:var(--ok)}.q.bad{border-color:var(--bad)}.q-text{margin:0 0 10px;font-weight:500}.opt{cursor:pointer;border:1px solid #0000;border-radius:8px;align-items:flex-start;gap:10px;padding:8px 10px;display:flex}.opt:hover{background:var(--paper)}.opt.picked{border-color:var(--line-2);background:var(--paper)}.opt.isans{border-color:var(--ok);background:var(--ok-soft)}.opt input{accent-color:var(--brand);margin-top:5px}.q-foot{flex-wrap:wrap;align-items:center;gap:10px;margin-top:8px;display:flex}.verdict{color:var(--ink-2);margin:6px 0 0;font-size:14.5px}.q.right .verdict b{color:var(--ok)}.q.bad .verdict b{color:var(--bad)}.lesson-done{justify-content:center;margin:36px 0 0;display:flex}.pager{grid-template-columns:1fr 1fr;gap:14px;margin-top:30px;display:grid}.pager-btn{border:1px solid var(--line);color:var(--ink);background:var(--white);border-radius:12px;padding:14px 16px;text-decoration:none;display:block}.pager-btn:hover{border-color:var(--brand)}.pager-btn small{color:var(--muted);font-size:12.5px;display:block}.pager-btn span{font-weight:600}.pager-btn.right{text-align:right}.locked{justify-items:start;gap:14px;display:grid}.result{margin:18px 0 24px}.result.pass{border-color:var(--ok);background:var(--ok-soft)}.result.fail{border-color:var(--bad);background:var(--bad-soft)}.result .big{margin-bottom:6px;font-size:1.25rem}.result .row{margin-top:12px}.cert-form{grid-template-columns:1fr 1fr;gap:14px;margin:18px 0;display:grid}.cert-form label{color:var(--ink-2);gap:6px;font-size:13.5px;font-weight:600;display:grid}.cert-form input{border:1px solid var(--line-2);height:42px;font:inherit;background:var(--white);border-radius:10px;padding:0 12px}.cert-form input:focus{border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-soft);outline:none}.cert-canvas{border-radius:10px;width:100%;height:auto;margin-bottom:16px;box-shadow:0 10px 34px #1112141f}.cert-print{display:none}.empty{text-align:center;padding:80px 0}.empty h1{color:var(--brand);font-size:4rem}@media (width<=900px){.burger{display:inline-flex}.logo-text{display:none}.side{z-index:40;top:var(--top-h);background:var(--paper);height:auto;transition:transform .2s;position:fixed;bottom:0;left:0;transform:translate(-100%);box-shadow:8px 0 30px #0000001a}.side.open{transform:none}.scrim{inset:var(--top-h) 0 0;z-index:35;background:#1112144d;display:block;position:fixed}.main{padding:24px 16px 60px}.top{gap:10px;padding:0 12px}.ring{display:none}}@media (width<=640px){.cards-2,.cert-form,.pager,.mods{grid-template-columns:1fr}.hero-stats{gap:24px}}@media print{@page{size:A4 landscape;margin:0}body{background:#fff}.top,.side,.scrim,.cert-form,.cert h1,.row,.cert-canvas{display:none!important}.main{padding:0}.cert-print{width:100vw;height:auto;display:block!important}}