:root{--ink:#242725;--muted:#626760;--paper:#f5f5ef;--orange:#ca4012;--line:#d6d9ce;--white:#fff;--mono:'Courier New',monospace}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:95px}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.65 Arial,Helvetica,sans-serif}body:before{content:"";position:fixed;inset:-20px;background:linear-gradient(#f5f5efe0,#f5f5efe8),url('/assets/background.webp') center/cover;filter:blur(7px);z-index:-1;pointer-events:none}a{color:inherit;text-decoration:none}a:hover{color:var(--orange)}button{font:inherit;cursor:pointer}img{max-width:100%;display:block}h1,h2,h3,p{margin-top:0}h1,h2,h3{line-height:1.07;letter-spacing:-.045em}h1{font-size:clamp(48px,5.8vw,84px);font-weight:500;margin-bottom:28px}h2{font-size:clamp(34px,3.6vw,51px);font-weight:500;margin-bottom:25px}h3{font-size:23px;font-weight:500;letter-spacing:-.025em}p{color:var(--muted)}em{font-style:normal;color:var(--orange)}button,a{touch-action:manipulation}:focus-visible{outline:3px solid var(--orange);outline-offset:5px}.wrap{width:min(1280px,calc(100% - 96px));margin:auto}.section{padding-top:100px;padding-bottom:100px}.site-header{height:92px;display:flex;align-items:center;justify-content:space-between;padding:0 3.3%;gap:28px;border-bottom:1px solid var(--line);background:#f5f5eff2;position:sticky;top:0;z-index:20;backdrop-filter:blur(15px)}.brand{display:flex;align-items:center;gap:9px;letter-spacing:-1px;font-size:23px;font-weight:700;white-space:nowrap}.brand span{font-size:12px;align-self:flex-start;margin:5px 0 0 -4px}.site-header nav{display:flex;gap:27px;font-size:14px}.site-header nav a{padding:12px 0}.header-cta{border-bottom:1px solid var(--ink);font-size:14px;padding:7px 0}.header-cta span{padding-left:20px}.menu-toggle{display:none}.hero{display:grid;grid-template-columns:1.12fr 1fr;gap:8%;padding-top:77px;padding-bottom:85px;align-items:center;min-height:710px}.hero-copy{animation:enter .8s ease-out both}.eyebrow{font:12px/1.5 var(--mono);letter-spacing:.11em;color:var(--muted);font-weight:bold;margin-bottom:28px}.small-line{display:inline-block;width:24px;height:2px;background:var(--orange);vertical-align:middle;margin-right:10px}.lead{font-size:18px;max-width:590px;line-height:1.7}.hero .lead{max-width:460px}.actions{display:flex;align-items:center;gap:28px;margin-top:33px}.button{display:inline-flex;align-items:center;justify-content:space-between;gap:35px;background:var(--orange);color:white;padding:17px 24px;border:1px solid var(--orange);border-radius:3px;font-size:15px;line-height:1.4;transition:transform .2s,background .2s}.button:hover{color:white;background:#a9340d;transform:translateY(-2px)}.button.secondary{color:var(--ink);border-color:var(--ink);background:transparent}.text-link{font-size:14px;border-bottom:1px solid #969b90;padding-bottom:4px}.hero-meta{display:flex;gap:17px;font:11px/1.5 var(--mono);margin-top:35px;color:var(--muted)}.hero-meta span+span:before{content:'·';margin-right:17px}.lab{background:#e5e7dfbd;border:1px solid #c3c8ba;border-radius:10px;padding:23px 29px 20px;position:relative;box-shadow:0 20px 45px #44492d0c;animation:enter 1s .12s both;background-image:radial-gradient(#a9b0a366 .8px,transparent .8px);background-size:15px 15px}.lab-top{display:flex;justify-content:space-between;gap:12px;font:10px/1.5 var(--mono);color:#66705e;border-bottom:1px solid #c8cebf;padding-bottom:20px;margin-bottom:30px}.lab-node{border:1px solid #adb6a5;background:#f8faf3;padding:19px 22px;max-width:310px;border-radius:5px;box-shadow:5px 5px 0 #d2d7c9;margin:auto}.node-label{font:10px var(--mono);color:#6a7660;display:block;margin-bottom:8px}.lab-node strong{display:block;font-size:22px;letter-spacing:-.5px;font-weight:500;margin-bottom:10px}.lab-node code{font-size:12px;color:#69785d}.server-node{background:#313b31;border-color:#313b31;color:#f4f7ea;transform:translateX(22px);box-shadow:5px 5px 0 #b7c2ab}.server-node code,.server-node .node-label{color:#c4d1b8}.connection{height:51px;margin:auto;position:relative;text-align:center;font:9px/51px var(--mono);color:#6b725f}.connection:before{content:'';position:absolute;height:100%;width:1px;background:#98a38b;left:42%;top:0}.connection span:last-child{position:relative;padding-left:125px}.packet{width:7px;height:7px;position:absolute;background:var(--orange);left:calc(42% - 3px);top:0;animation:packet 3s ease-in-out infinite}.lab-output{margin:26px auto 15px;max-width:310px;background:#f8faf3bd;border:1px dashed #b4bdaa;padding:13px 17px}.lab-output>span{font:9px var(--mono);color:#6a7660}.lab-output pre{font:12px var(--mono);white-space:pre-wrap;margin:8px 0;color:#454e3c}.run-button{display:flex;justify-content:space-between;width:100%;border:0;border-top:1px solid #c4cbbb;background:none;padding:14px 0 3px;font-size:13px;color:#394131}.run-button:disabled{cursor:wait}.lab-footnote{display:block;font:10px/1.5 var(--mono);margin-top:9px;color:#6c7664}.lab.running .server-node{box-shadow:0 0 0 4px #ed6b2544;transition:box-shadow .3s}.topic-band{border-block:1px solid var(--line);padding:25px 4%;display:flex;justify-content:space-around;gap:22px;font:13px/1.5 var(--mono);background:#eff0e8}.topic-band b{color:var(--orange)}.mission{display:grid;grid-template-columns:1fr 2fr;gap:80px}.mission p:not(.eyebrow){max-width:690px}.catalog-section{background:#e9ebe366;border-block:1px solid var(--line)}.section-heading{display:flex;justify-content:space-between;align-items:flex-end;gap:40px;margin-bottom:38px}.section-heading h2{margin-bottom:0}.section-heading>p{font-size:14px;margin-bottom:3px}.catalog{display:grid;grid-template-columns:repeat(3,1fr);gap:30px 24px}.course-card{background:#f9faf5;border:1px solid #d4d8ca;border-radius:5px;overflow:hidden;transition:transform .25s,box-shadow .25s;display:flex;flex-direction:column}.course-card:hover{transform:translateY(-6px);box-shadow:0 16px 26px #333b2510}.cover{display:block;position:relative;aspect-ratio:1.5;overflow:hidden;background:#e3e5dc}.cover img{width:100%;height:100%;object-fit:cover;transition:transform .6s}.course-card:hover img{transform:scale(1.025)}.cover:after{content:'';position:absolute;inset:0;background:linear-gradient(transparent 20%,#171e1980);pointer-events:none}.cover-label{position:absolute;inset:auto 20px 18px;color:white;z-index:1;line-height:1.1}.cover-label small{font:9px/1.4 var(--mono);letter-spacing:.1em;display:block;margin-bottom:8px}.cover-label strong{font-size:clamp(22px,2vw,31px);letter-spacing:-.04em;font-weight:500}.cover-number{position:absolute;right:15px;top:14px;font:10px var(--mono);padding:6px 8px;background:#ffffffd9;color:#263022;z-index:1}.card-body{padding:23px;display:flex;flex-direction:column;flex:1}.card-meta{display:flex;justify-content:space-between;font:10px/1.5 var(--mono);text-transform:uppercase;color:#777f6e;margin-bottom:14px;gap:8px}.card-body h3{font-size:24px;margin-bottom:12px}.card-body>p{font-size:14px;line-height:1.65;margin-bottom:24px}.card-bottom{border-top:1px solid var(--line);padding-top:17px;display:flex;justify-content:space-between;align-items:center;margin-top:auto;gap:12px}.price{font-size:23px;letter-spacing:-.04em}.price small{font:10px var(--mono);letter-spacing:0;margin-left:4px}.card-bottom a{font-size:13px}.start-section{display:grid;grid-template-columns:1fr 1fr;gap:90px;align-items:center}.start-cover{background:#e1e4d9;padding:35px;border-radius:6px;transform:rotate(-2deg)}.start-cover .cover{aspect-ratio:.95;box-shadow:0 12px 30px #28352120;border-radius:4px}.start-cover .cover-label strong{font-size:45px}.start-cover .cover-label{bottom:35px;left:30px}.checklist{padding:0;list-style:none;color:var(--muted);margin:27px 0}.checklist li{padding:10px 0;border-bottom:1px solid var(--line);font-size:14px}.checklist li:before{content:'↳';color:var(--orange);margin-right:12px}.fine{font-size:12px;margin-top:16px}.benefits{display:grid;grid-template-columns:repeat(4,1fr);gap:27px}.benefits article{border-top:1px solid #aeb6a2;padding-top:25px}.icon{font:25px var(--mono);display:grid;place-items:center;width:48px;height:48px;border:1px solid #cbd1c0;border-radius:6px;margin-bottom:27px;color:var(--orange)}.benefits h3{font-size:22px}.benefits p{font-size:14px}.learning-route{border-top:1px solid var(--line)}.route{display:grid;grid-template-columns:repeat(3,1fr);gap:50px;margin-top:45px}.route b{font:14px var(--mono);color:var(--orange);display:block;margin-bottom:20px}.route h3{font-size:25px}.route p,.route a{font-size:14px}.route a{border-bottom:1px solid #b7bdad}.end-note{padding:44px 50px;background:#dee3d3;display:flex;align-items:center;justify-content:space-between;gap:35px;border-radius:5px;margin-bottom:100px}.end-note .eyebrow{margin-bottom:15px}.end-note h2{font-size:35px;margin-bottom:12px}.end-note p{margin-bottom:0}footer{background:#242c24;color:#f3f5eb;padding:55px max(48px,calc((100vw - 1280px)/2)) 25px}footer p{color:#b9c3b0}.footer-top{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid #4b5546;padding-bottom:35px;margin-bottom:38px}.footer-top p{font-size:17px;line-height:1.5;margin:0}.footer-grid{display:grid;grid-template-columns:1.25fr 1fr 1fr;gap:100px}.footer-grid h3{font:12px var(--mono);text-transform:uppercase;letter-spacing:.08em;margin-bottom:20px;color:#f0f3e9}.footer-grid p,.footer-grid a{font-size:13px;line-height:1.7}.footer-grid a{display:block;margin-bottom:8px}.footer-grid .muted{font-size:12px;max-width:290px}.footer-bottom{display:flex;justify-content:space-between;border-top:1px solid #4b5546;margin-top:45px;padding-top:23px;font:10px/1.5 var(--mono);color:#aab49e;gap:25px}.page-intro{padding-top:85px;padding-bottom:50px;border-bottom:1px solid var(--line)}.page-intro h1{max-width:1000px;font-size:clamp(44px,5vw,68px)}.prose{max-width:820px}.prose h2{font-size:29px;margin-top:42px;margin-bottom:18px}.prose h2:first-child{margin-top:0}.prose p{line-height:1.85}.prose ul,.prose ol{color:var(--muted);line-height:1.85;padding-left:28px;margin:0 0 20px}.prose li{margin:7px 0}.policy{padding-block:60px 100px}.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:70px}.contact-grid h2{font-size:32px}.panel{background:#e8ebdf;border:1px solid var(--line);padding:35px;border-radius:5px}.faq-list{padding-block:35px 100px;max-width:980px}details{border-bottom:1px solid var(--line);padding:22px 0}summary{font-size:20px;cursor:pointer;display:flex;align-items:center;gap:24px;line-height:1.4}summary span{font:12px var(--mono);color:var(--orange)}summary:after{content:'+';margin-left:auto;font-size:25px}details[open] summary:after{content:'−'}details p{padding:20px 45px 0;margin:0;max-width:860px;font-size:16px}.timeline{padding-block:60px 100px}.timeline article{display:grid;grid-template-columns:1fr 3fr;gap:50px;border-bottom:1px solid var(--line);padding:35px 0}.timeline time{font:13px var(--mono);color:var(--muted)}.timeline h2{font-size:35px;margin-top:20px}.pill{font:10px var(--mono);text-transform:uppercase;letter-spacing:.05em;border:1px solid #bbc5aa;border-radius:30px;padding:7px 12px;display:inline-block}.breadcrumbs{font:12px var(--mono);color:var(--muted);margin-bottom:30px}.product-layout{display:grid;grid-template-columns:1fr 1.1fr;gap:70px;align-items:start}.product-art .cover{aspect-ratio:1;position:relative;border-radius:6px}.product-art .cover-label strong{font-size:45px}.product-art .cover-label{bottom:35px;left:30px}.product-copy h1{font-size:60px;margin-top:20px;margin-bottom:14px}.product-copy .lead{font-size:22px}.purchase{padding:25px 0;border-block:1px solid var(--line);margin-top:30px}.purchase .price{font-size:34px;margin-bottom:16px}.purchase .button{width:100%}.purchase .fine{margin-bottom:0}.purchase .fine a{text-decoration:underline}.product-detail{margin-top:75px;display:grid;grid-template-columns:1.5fr 1fr;gap:90px}.product-detail h2{font-size:34px}.modules{list-style:none;padding:0;counter-reset:module}.modules li{counter-increment:module;padding:17px 0;border-bottom:1px solid var(--line)}.modules li:before{content:counter(module,decimal-leading-zero);font:12px var(--mono);color:var(--orange);margin-right:25px}.loading-panel{min-height:60vh;text-align:center;display:flex;flex-direction:column;justify-content:center;padding-block:90px;align-items:center}.loading-panel h1{font-size:44px}.loading-panel p{max-width:640px}.loading-panel .text-link{margin-top:25px}.spinner{width:38px;height:38px;border:2px solid #d1d8c7;border-top-color:var(--orange);border-radius:50%;animation:spin 1s linear infinite;margin:0 auto 30px}.error{padding:30px;border:1px solid var(--line);border-radius:5px}.skip{position:fixed;top:-70px;left:12px;z-index:50;background:white;padding:15px}.skip:focus{top:12px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.reveal{opacity:1}.motion-ready .reveal{opacity:0;transform:translateY(22px);transition:opacity .7s,transform .7s}.motion-ready .reveal.visible{opacity:1;transform:none}@keyframes enter{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:none}}@keyframes packet{0%{top:0;opacity:0}15%{opacity:1}80%{opacity:1}100%{top:44px;opacity:0}}@keyframes spin{to{transform:rotate(360deg)}}
@media(min-width:1500px){.hero{gap:130px}}@media(max-width:1100px){.wrap{width:calc(100% - 56px)}.site-header{gap:20px}.header-cta{display:none}.hero{gap:40px}.hero h1{font-size:64px}.hero-meta{flex-wrap:wrap;font-size:10px;gap:10px}.hero-meta span+span:before{margin-right:10px}.lab{padding:20px}.lab-top{font-size:9px}.actions{gap:18px}.mission{gap:35px}.start-section{gap:45px}.benefits{gap:20px}.footer-grid{gap:50px}.product-layout{gap:40px}.product-copy h1{font-size:48px}}
@media(max-width:760px){.wrap{width:calc(100% - 40px)}.site-header{height:74px;padding:0 20px}.brand{font-size:21px}.menu-toggle{display:block;border:1px solid #bbc3b0;background:transparent;padding:8px 13px;border-radius:3px;font-size:13px}.site-header nav{display:none;position:absolute;top:74px;left:0;right:0;background:#f5f5ef;padding:20px;border-bottom:1px solid var(--line);flex-direction:column;gap:3px}.site-header nav.open{display:flex}.hero{grid-template-columns:1fr;padding-block:50px;gap:40px;min-height:0}.hero h1{font-size:clamp(46px,10vw,68px)}.hero .lead{font-size:16px}.eyebrow{font-size:10px;margin-bottom:22px}.hero-meta{font-size:10px;gap:10px}.hero-meta span+span:before{margin-right:10px}.lab{max-width:480px;width:100%;margin:auto;padding:20px 28px}.lab-top{font-size:9px}.topic-band{font-size:10px;gap:14px;flex-wrap:wrap;padding:20px}.topic-band b{display:none}.section{padding-block:60px}.mission{grid-template-columns:1fr;gap:10px}.section-heading{display:block;margin-bottom:28px}.section-heading>p{margin-top:20px}.catalog{grid-template-columns:repeat(2,1fr);gap:16px}.card-body{padding:16px}.card-body h3{font-size:21px}.card-body p{font-size:13px}.card-meta{font-size:9px}.cover-label{left:13px;bottom:14px}.cover-label strong{font-size:23px}.cover-label small{font-size:8px}.cover-number{right:10px;top:10px}.card-bottom{align-items:flex-start;flex-direction:column;gap:9px}.start-section{grid-template-columns:1fr;gap:45px}.start-cover{max-width:440px;width:100%;margin:auto;padding:25px}.start-cover .cover{aspect-ratio:1.2}.benefits{grid-template-columns:repeat(2,1fr);gap:30px 20px}.route{grid-template-columns:1fr;gap:30px}.route article{border-top:1px solid var(--line);padding-top:25px}.end-note{padding:30px;display:block;margin-bottom:60px}.end-note .button{margin-top:25px}.end-note h2{font-size:31px}footer{padding:40px 24px 25px}.footer-top{display:block}.footer-top p{margin-top:20px;font-size:15px}.footer-grid{grid-template-columns:1fr 1fr;gap:30px}.footer-grid section:first-child{grid-column:1/-1}.footer-bottom{display:block;font-size:9px}.footer-bottom span{display:block;margin-top:10px}.page-intro{padding-top:55px}.page-intro h1{font-size:44px}.contact-grid{grid-template-columns:1fr;gap:35px}.faq-list{padding-bottom:60px}summary{font-size:17px;gap:14px}details p{padding-left:30px;padding-right:10px;font-size:15px}.timeline article{grid-template-columns:1fr;gap:20px}.timeline h2{font-size:30px}.product-layout,.product-detail{grid-template-columns:1fr;gap:35px}.product-art{max-width:500px}.product-copy h1{font-size:44px}.product-detail{margin-top:50px}.loading-panel h1{font-size:36px}}
@media(max-width:430px){.catalog{grid-template-columns:1fr}.cover-label strong{font-size:30px}.cover-label{left:22px;bottom:22px}.card-bottom{flex-direction:row;align-items:center}.card-body{padding:23px}.card-meta{font-size:10px}.actions{align-items:flex-start;flex-direction:column;gap:20px}.benefits h3{font-size:20px}.hero-meta{max-width:280px;line-height:1.8}.lab{padding:20px}.server-node{transform:translateX(8px)}.product-art .cover-label strong{font-size:35px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}.motion-ready .reveal{opacity:1;transform:none}}

.cover:after{display:none}.product-art .cover,.start-cover .cover{aspect-ratio:1.5}.cover img{object-fit:contain}