:root{--page: #e8ecfd;--bg: #e9edfd;--bg-alt: #f3f5ff;--bg-elev: #ffffff;--bg-soft: #eef2ff;--bg-tint: #dfe6ff;--text: #16223f;--text-soft: #3c4a6b;--muted: #7a86a8;--accent: #4a6cf7;--accent-strong: #3a57d6;--accent-soft: rgba(74, 108, 247, .1);--accent-contrast: #ffffff;--border: rgba(74, 108, 247, .13);--border-strong: rgba(74, 108, 247, .26);--shadow-sm: 0 2px 6px rgba(31, 52, 120, .05), 0 8px 20px rgba(31, 52, 120, .04);--shadow-md: 0 6px 16px rgba(31, 52, 120, .08), 0 20px 44px rgba(31, 52, 120, .07);--shadow-lg: 0 24px 64px rgba(31, 52, 120, .16);--nav-bg: rgba(255, 255, 255, .82);--glow-1: rgba(74, 108, 247, .14);--glow-2: rgba(129, 173, 255, .2);--nav-h: 66px;--wrap: 1200px;--wrap-narrow: 880px;--r-sm: 12px;--r-md: 20px;--r-lg: 28px;--r-xl: 36px;--r-full: 999px;--ff-display: "Outfit", "DM Sans", -apple-system, system-ui, sans-serif;--ff-body: "DM Sans", "Outfit", -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;--t-fast: .16s ease;--t-med: .28s cubic-bezier(.4, 0, .2, 1)}[data-theme=dark]{--page: #060a1a;--bg: #080d20;--bg-alt: #0c1230;--bg-elev: #141b3a;--bg-soft: #182050;--bg-tint: #1b245c;--text: #e8ecff;--text-soft: #c3cbeb;--muted: #8b97c4;--accent: #7c9bff;--accent-strong: #a3b8ff;--accent-soft: rgba(124, 155, 255, .14);--accent-contrast: #0a0f24;--border: rgba(140, 165, 255, .16);--border-strong: rgba(140, 165, 255, .32);--shadow-sm: 0 2px 8px rgba(0, 0, 0, .34);--shadow-md: 0 10px 30px rgba(0, 0, 0, .44);--shadow-lg: 0 26px 70px rgba(0, 0, 0, .55);--nav-bg: rgba(10, 15, 36, .86);--glow-1: rgba(124, 155, 255, .16);--glow-2: rgba(96, 140, 255, .12)}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;scroll-padding-top:calc(var(--nav-h) + 16px);background:var(--page)}body{background:var(--bg);color:var(--text);font-family:var(--ff-body);font-weight:400;font-size:16px;line-height:1.65;overflow-x:hidden;-webkit-font-smoothing:antialiased;transition:background-color var(--t-med),color var(--t-med)}img,svg{max-width:100%;display:block}a{color:inherit;text-decoration:none}button{font:inherit;color:inherit;background:none;border:none;cursor:pointer}ul,ol{list-style:none}::selection{background:var(--accent);color:var(--accent-contrast)}:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px}::-webkit-scrollbar{width:10px;height:10px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border-strong);border-radius:8px;border:3px solid var(--bg)}::-webkit-scrollbar-thumb:hover{background:var(--muted)}.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 24px}.wrap-narrow{width:100%;max-width:var(--wrap-narrow);margin:0 auto;padding:0 24px}.app{min-height:100vh;display:flex;flex-direction:column}.main{flex:1;padding-top:var(--nav-h)}.section{padding:76px 0}.section--alt{background:var(--bg-alt)}.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:5px 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blur(18px);border-bottom:1px solid var(--border);transition:background-color var(--t-med),border-color var(--t-med)}.nav__inner{height:100%;display:flex;align-items:center;gap:14px}.nav__logo{display:flex;align-items:center;gap:10px;flex-shrink:0;margin-right:6px;padding:6px 14px 6px 7px;border-radius:var(--r-full);background:var(--accent-soft);border:1px solid var(--border);transition:background-color var(--t-fast)}.nav__logo:hover{background:var(--bg-soft)}.nav__logo-mark{width:30px;height:30px;border-radius:50%;display:grid;place-items:center;background:var(--bg-elev);color:var(--accent);box-shadow:var(--shadow-sm)}.nav__logo-text{display:flex;flex-direction:column;line-height:1.15}.nav__logo-name{font-family:var(--ff-display);font-size:.94rem;font-weight:600;letter-spacing:-.01em;color:var(--text)}.nav__logo-sub{font-size:.62rem;letter-spacing:.07em;text-transform:uppercase;color:var(--muted)}.nav__links{display:flex;align-items:center;gap:2px;margin-left:auto}.nav__link{position:relative;display:flex;align-items:center;gap:5px;padding:9px 14px;border-radius:var(--r-full);font-size:.86rem;font-weight:500;color:var(--text-soft);transition:color var(--t-fast),background-color var(--t-fast);white-space:nowrap}.nav__link:hover,.nav__link.is-active{color:var(--accent);background:var(--accent-soft)}.nav__caret{font-size:.55rem;opacity:.6;transition:transform 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var(--border);border-radius:var(--r-full);background:var(--bg-elev);font-family:var(--ff-display);font-size:.78rem;font-weight:600;letter-spacing:.04em;color:var(--text-soft);transition:all var(--t-fast)}.lang__btn:hover{color:var(--accent);border-color:var(--border-strong);background:var(--accent-soft)}.lang__menu{position:absolute;top:calc(100% + 10px);right:0;min-width:176px;background:var(--bg-elev);border:1px solid var(--border);border-radius:var(--r-md);box-shadow:var(--shadow-lg);padding:6px;z-index:50}.lang__opt{display:flex;align-items:center;gap:10px;width:100%;padding:10px 12px;border-radius:var(--r-sm);font-size:.86rem;color:var(--text-soft);text-align:left;transition:background-color var(--t-fast),color var(--t-fast)}.lang__opt:hover{background:var(--accent-soft);color:var(--accent)}.lang__opt.is-active{color:var(--accent);font-weight:600;background:var(--accent-soft)}.lang__check{margin-left:auto;font-size:.8rem}.nav__burger{display:none}.drawer{position:fixed;inset:var(--nav-h) 0 0 0;z-index:880;background:var(--bg);overflow-y:auto;padding:18px 0 60px;animation:drawerIn .24s ease}@keyframes drawerIn{0%{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:none}}.drawer__group{border-bottom:1px solid var(--border)}.drawer__head{width:100%;display:flex;align-items:center;gap:12px;padding:15px 4px;font-size:.95rem;font-weight:500;text-align:left}.drawer__head .num{flex-shrink:0;width:34px;height:34px;border-radius:var(--r-sm);display:grid;place-items:center;background:color-mix(in srgb,currentColor 13%,transparent)}.drawer__head .sign{margin-left:auto;color:var(--muted);font-size:1.1rem}.drawer__list{padding:0 4px 14px 52px;display:flex;flex-direction:column;gap:2px}.drawer__list a{padding:10px 12px;border-radius:var(--r-sm);font-size:.87rem;color:var(--text-soft)}.drawer__list a:hover,.drawer__list a.is-active{background:var(--accent-soft);color:var(--accent)}.drawer__top{display:flex;flex-direction:column;gap:2px;padding-bottom:12px;border-bottom:1px solid var(--border);margin-bottom:6px}.drawer__top a{padding:12px 6px;font-size:.95rem;font-weight:500}.hero{padding:28px 0 8px;position:relative}.hero:before{content:"";position:absolute;inset:-10% -10% auto -10%;height:90%;background:radial-gradient(44% 46% at 20% 18%,var(--glow-1),transparent 70%),radial-gradient(40% 44% at 84% 8%,var(--glow-2),transparent 70%);pointer-events:none}.bento{position:relative;display:grid;grid-template-columns:minmax(0,1.62fr) minmax(0,1fr);gap:16px;align-items:stretch}.bento__side{display:grid;grid-template-rows:1fr 1fr;gap:16px;min-width:0}.tile--hero{position:relative;overflow:hidden;padding:clamp(30px,4vw,52px);display:flex;flex-direction:column;justify-content:center;background:radial-gradient(120% 120% at 100% 0%,var(--accent-soft),transparent 58%),var(--bg-elev)}.chip{display:inline-flex;align-items:center;gap:7px;align-self:flex-start;padding:7px 15px;border-radius:var(--r-full);background:var(--accent-soft);color:var(--accent);font-family:var(--ff-display);font-size:.73rem;font-weight:600;letter-spacing:.05em}.chip--plain{background:var(--bg-soft);color:var(--muted)}.hero__title{margin:22px 0 10px}.hero__title em{font-style:normal;color:var(--accent)}.hero__sub{font-family:var(--ff-display);font-size:clamp(1rem,2vw,1.22rem);font-weight:400;color:var(--muted);margin-bottom:20px}.hero__lead{color:var(--text-soft);font-size:1rem;line-height:1.78;max-width:56ch;margin-bottom:30px}.hero__cta{display:flex;flex-wrap:wrap;gap:12px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:11px 13px 11px 24px;border-radius:var(--r-full);font-family:var(--ff-display);font-size:.92rem;font-weight:500;border:1px solid transparent;transition:all var(--t-fast);white-space:nowrap}.btn--primary{background:var(--accent);color:var(--accent-contrast)}.btn--primary:hover{background:var(--accent-strong);transform:translateY(-2px);box-shadow:var(--shadow-md)}.btn--ghost{border-color:var(--border-strong);color:var(--text-soft);background:var(--bg-elev);padding:11px 24px}.btn--ghost:hover{border-color:var(--accent);color:var(--accent);background:var(--accent-soft)}.btn__arrow{width:30px;height:30px;border-radius:50%;display:grid;place-items:center;background:#ffffff38;font-size:.82rem;flex-shrink:0}[data-theme=dark] .btn--primary .btn__arrow{background:#0a0f242e}.tile--art{position:relative;overflow:hidden;display:flex;flex-direction:column;justify-content:space-between;padding:24px 26px;background:linear-gradient(150deg,var(--bg-tint),var(--bg-elev) 78%)}.tile--art .dna{position:absolute;right:-14px;top:50%;transform:translateY(-50%);width:132px;opacity:.85;pointer-events:none}.tile__k{font-size:.72rem;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--accent)}.tile__v{font-family:var(--ff-display);font-size:2.1rem;font-weight:600;line-height:1.05;letter-spacing:-.02em;margin-top:4px}.tile__note{font-size:.82rem;color:var(--muted);margin-top:6px;max-width:60%}.tile--meta{padding:24px 26px;display:flex;flex-direction:column;gap:14px;justify-content:center}.meta-row{display:flex;flex-direction:column;gap:2px}.meta-row+.meta-row{padding-top:12px;border-top:1px solid var(--border)}.meta-row__k{font-size:.68rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}.meta-row__v{font-size:.9rem;font-weight:500;color:var(--text);line-height:1.4}.float-card{position:absolute;left:clamp(30px,4vw,52px);bottom:22px;display:flex;align-items:center;gap:10px;padding:9px 16px 9px 10px;border-radius:var(--r-full);background:var(--bg-elev);border:1px solid var(--border);box-shadow:var(--shadow-md);font-size:.78rem;color:var(--text-soft)}.float-card__dot{width:9px;height:9px;border-radius:50%;background:var(--accent);flex-shrink:0}.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:16px}.stat{background:var(--bg-elev);border:1px solid var(--border);border-radius:var(--r-lg);padding:28px 22px;text-align:center;box-shadow:var(--shadow-sm);transition:transform var(--t-fast),box-shadow var(--t-fast),border-color var(--t-fast)}.stat:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:var(--border-strong)}.stat__num{display:block;font-family:var(--ff-display);font-size:2.4rem;font-weight:600;letter-spacing:-.03em;color:var(--accent);line-height:1;margin-bottom:9px}.stat__label{font-size:.8rem;color:var(--muted)}.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:16px;margin-top:36px}.card{position:relative;display:flex;flex-direction:column;gap:10px;background:var(--bg-elev);border:1px solid var(--border);border-radius:var(--r-lg);padding:26px 24px 22px;box-shadow:var(--shadow-sm);overflow:hidden;transition:transform var(--t-fast),box-shadow var(--t-fast),border-color var(--t-fast)}.card:before{content:"";position:absolute;right:-40px;top:-40px;width:130px;height:130px;border-radius:50%;background:var(--card-accent, var(--accent));opacity:.09;transition:transform var(--t-med)}.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--border-strong)}.card:hover:before{transform:scale(1.25)}.card__top{display:flex;align-items:center;gap:10px}.card__roman{font-family:var(--ff-display);font-size:.86rem;font-weight:600;color:var(--accent);background:var(--accent-soft);border-radius:var(--r-full);padding:4px 12px;min-width:42px;text-align:center}.card__icon{margin-left:auto;position:relative;flex-shrink:0;width:40px;height:40px;border-radius:13px;display:grid;place-items:center;color:var(--card-accent, var(--accent));background:color-mix(in srgb,var(--card-accent, var(--accent)) 13%,transparent);border:1px solid color-mix(in srgb,var(--card-accent, var(--accent)) 22%,transparent);transition:transform var(--t-fast)}.card:hover .card__icon{transform:translateY(-2px) rotate(-4deg)}.card__desc{font-size:.88rem;color:var(--muted);line-height:1.62;flex:1}.card__foot{display:flex;align-items:center;justify-content:space-between;padding-top:14px;margin-top:4px;border-top:1px solid var(--border)}.card__count{font-size:.75rem;font-weight:500;color:var(--muted)}.card__arrow{width:30px;height:30px;border-radius:50%;display:grid;place-items:center;background:var(--accent-soft);color:var(--accent);font-size:.85rem;transition:background-color var(--t-fast),color var(--t-fast),transform var(--t-fast)}.card:hover .card__arrow{background:var(--accent);color:var(--accent-contrast);transform:translate(3px)}.method-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:16px;margin-top:36px}.method{background:var(--bg-elev);border:1px solid var(--border);border-radius:var(--r-lg);padding:24px 22px;box-shadow:var(--shadow-sm);transition:transform var(--t-fast),border-color var(--t-fast)}.method:hover{transform:translateY(-3px);border-color:var(--border-strong)}.method__icon{width:44px;height:44px;border-radius:50%;display:grid;place-items:center;background:var(--accent-soft);color:var(--accent);margin-bottom:14px}.method h3{font-family:var(--ff-display);font-size:1.02rem;font-weight:600;margin-bottom:7px;letter-spacing:-.01em}.method p{font-size:.86rem;color:var(--muted);line-height:1.62}.goal-grid{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,.75fr);gap:34px;align-items:start}.goal-box{background:var(--bg-elev);border:1px solid var(--border);border-radius:var(--r-lg);padding:26px;box-shadow:var(--shadow-sm)}.goal-box+.goal-box{margin-top:16px}.goal-box__k{font-size:.7rem;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--accent);margin-bottom:9px}.goal-box__v{font-size:.92rem;color:var(--text-soft);line-height:1.7}.checklist{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:10px;margin-top:28px}.checklist li{display:flex;gap:12px;align-items:flex-start;padding:14px 18px;background:var(--bg-elev);border:1px solid var(--border);border-radius:var(--r-md);font-size:.88rem;color:var(--text-soft);line-height:1.55}.checklist li:before{content:"✓";color:var(--accent);font-weight:700;flex-shrink:0;width:20px;height:20px;border-radius:50%;background:var(--accent-soft);display:grid;place-items:center;font-size:.7rem;margin-top:1px}.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:7px;font-size:.8rem;color:var(--muted);margin-bottom:20px}.crumbs a:hover{color:var(--accent)}.crumbs span.sep{opacity:.45}.lesson-head{padding:34px 0 28px;margin-bottom:30px;border-bottom:1px solid var(--border)}.lesson-badges{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px}.badge{display:inline-flex;align-items:center;gap:7px;padding:6px 14px;border-radius:var(--r-full);font-family:var(--ff-display);font-size:.74rem;font-weight:500;letter-spacing:.02em;background:var(--accent-soft);color:var(--accent);border:1px solid transparent}.badge--plain{background:var(--bg-soft);color:var(--muted)}.badge svg{flex-shrink:0}.lesson-title{font-family:var(--ff-display);font-size:clamp(1.6rem,3.2vw,2.3rem);line-height:1.2;font-weight:600;letter-spacing:-.025em}.block{margin-bottom:30px}.block__title{display:flex;align-items:center;gap:11px;font-family:var(--ff-display);font-size:1.16rem;font-weight:600;margin-bottom:16px;letter-spacing:-.01em}.block__title .ico{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;background:var(--accent-soft);color:var(--accent);flex-shrink:0}.info-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:14px}.info{background:var(--bg-elev);border:1px solid var(--border);border-radius:var(--r-md);padding:20px 22px;box-shadow:var(--shadow-sm)}.info__k{font-size:.68rem;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--accent);margin-bottom:8px}.info__v{font-size:.9rem;color:var(--text-soft);line-height:1.68}.qlist{display:flex;flex-direction:column;gap:10px}.qlist li{display:flex;gap:14px;padding:16px 20px;background:var(--bg-elev);border:1px solid var(--border);border-radius:var(--r-md);font-size:.92rem;color:var(--text-soft);line-height:1.65}.qlist 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