:root{
  --paper:#F5F1EA;--panel:#FFFDFC;--ink:#241F2F;--muted:#6B6475;--line:#241F2F;
  --orange:#E95420;--aubergine:#5E2750;--blue:#0B78C4;--green:#268A5B;--amber:#D69016;--red:#C9353B;--hair:#D8D0D9;
  --body:"IBM Plex Sans",system-ui,sans-serif;--display:"Unbounded",system-ui,sans-serif;--mono:"JetBrains Mono",monospace;
}
*{box-sizing:border-box}html,body{margin:0;width:100%;height:100%;overflow:hidden}body{background:var(--paper);color:var(--ink);font-family:var(--body)}button,a{font:inherit}
.deck{--accent:var(--orange);height:100%;background:linear-gradient(rgba(94,39,80,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(94,39,80,.045) 1px,transparent 1px),var(--paper);background-size:32px 32px}
.chrome{position:fixed;inset:0 0 auto;z-index:20;height:72px;padding:10px 24px;display:flex;align-items:center;border-bottom:3px solid var(--line);background:rgba(245,241,234,.97)}
.brand{display:flex;align-items:center;gap:12px;border:0;background:none;color:inherit;cursor:pointer;text-align:left}.brand-mark{display:grid;place-items:center;width:44px;height:44px;border:3px solid var(--line);background:var(--aubergine);color:#fff;box-shadow:3px 3px 0 var(--line);font:800 13px/1 var(--mono)}.brand-copy{font:700 10px/1.35 var(--mono);letter-spacing:.05em;text-transform:uppercase}.chrome-right{margin-left:auto;display:flex;align-items:center;gap:9px}.icon-button,.nav-button{display:grid;place-items:center;border:3px solid var(--line);background:var(--panel);color:var(--ink);cursor:pointer;box-shadow:3px 3px 0 var(--line)}.icon-button{width:38px;height:38px;font:800 13px/1 var(--mono)}.icon-button:hover,.nav-button:hover{transform:translate(2px,2px);box-shadow:1px 1px 0 var(--line)}.counter{min-width:76px;font:800 12px/1 var(--mono);text-align:center}.counter i{margin:0 4px;color:var(--muted);font-style:normal}
.slides{position:relative;height:100%;padding-top:72px}.slide{position:absolute;inset:72px 0 0;display:none;overflow:hidden}.slide.is-active{display:block;animation:slide-in .34s ease-out both}.slide-inner{width:min(1240px,calc(100% - 64px));height:100%;margin:auto;padding:clamp(24px,4vh,46px) 0 82px;display:flex;flex-direction:column;justify-content:center}.slide--top .slide-inner{justify-content:flex-start}.slide--dark{background:var(--aubergine);color:#fff}.slide--blue{background:#073B5C;color:#fff}.slide--orange{background:var(--orange);color:#fff}.slide--title .slide-inner{justify-content:center}.pair-number{position:absolute;right:4vw;bottom:4vh;font:800 clamp(70px,12vw,180px)/1 var(--mono);color:rgba(94,39,80,.08)}
@keyframes slide-in{from{opacity:0;transform:translateX(22px)}to{opacity:1;transform:none}}
.eyebrow{margin:0 0 12px;color:var(--accent);font:800 11px/1.3 var(--mono);letter-spacing:.1em;text-transform:uppercase}.slide--dark .eyebrow,.slide--blue .eyebrow,.slide--orange .eyebrow{color:#FFC6AE}h1,h2{margin:0;font-family:var(--display);letter-spacing:-.035em}h1{font-size:clamp(38px,5vw,74px);line-height:1.03}h2{font-size:clamp(27px,3.5vw,52px);line-height:1.08;max-width:1100px}.lead{margin:18px 0 0;max-width:930px;color:var(--muted);font-size:clamp(16px,1.55vw,23px);line-height:1.5}.slide--dark .lead,.slide--blue .lead,.slide--orange .lead{color:rgba(255,255,255,.82)}code{font-family:var(--mono);color:var(--orange)}
.title-meta,.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:24px}.title-meta span,.chips span{padding:7px 11px;border:2px solid currentColor;background:var(--panel);color:var(--ink);font:700 10px/1 var(--mono)}.slide--dark .title-meta span,.slide--blue .title-meta span,.slide--orange .title-meta span{background:transparent;color:#fff}
.grid{display:grid;gap:14px;margin-top:22px}.grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}.grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}.grid--4{grid-template-columns:repeat(4,minmax(0,1fr))}.card{padding:18px 20px;border:3px solid var(--line);background:var(--panel);box-shadow:5px 5px 0 var(--line)}.card b{display:block;margin-bottom:8px;color:var(--accent);font:800 12px/1.35 var(--mono)}.card strong{display:block;font-size:clamp(16px,1.45vw,22px);line-height:1.25}.card p{margin:8px 0 0;color:#4F4859;font-size:clamp(12px,1.05vw,16px);line-height:1.48}.card--good{border-color:var(--green)}.card--warn{border-color:var(--amber)}.card--bad{border-color:var(--red)}.card--accent{background:color-mix(in srgb,var(--accent) 9%,#fff)}
.route{display:grid;grid-template-columns:repeat(6,1fr);gap:8px;margin-top:28px}.route div{position:relative;padding:14px 12px;border:3px solid var(--line);background:var(--panel);box-shadow:4px 4px 0 var(--line)}.route b{display:block;color:var(--orange);font:800 18px/1 var(--mono)}.route span{display:block;margin-top:7px;font-size:12px;line-height:1.35}.route div:not(:last-child)::after{content:"→";position:absolute;right:-13px;top:50%;z-index:2;transform:translateY(-50%);font:800 18px/1 var(--mono);color:var(--orange)}
.arch{display:grid;grid-template-columns:1fr 90px 1fr;align-items:stretch;gap:12px;margin-top:24px}.arch__host{padding:22px;border:3px solid var(--line);background:var(--panel);box-shadow:6px 6px 0 var(--line)}.arch__host b{display:block;font:800 12px/1.3 var(--mono);color:var(--accent)}.arch__host strong{display:block;margin-top:10px;font-size:clamp(18px,1.8vw,28px)}.arch__host p{margin:8px 0 0;color:var(--muted);line-height:1.5}.arch__arrow{display:grid;place-items:center;font:800 35px/1 var(--mono);color:var(--orange)}.alarm{margin-top:16px;padding:14px 18px;border-left:8px solid var(--red);background:#FFF0EE;color:#6B171A;font-size:clamp(13px,1.1vw,17px);line-height:1.45}.alarm b{font-family:var(--mono)}
.shot-layout{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(280px,.75fr);gap:20px;align-items:start;margin-top:18px}.shot{margin:0;border:3px solid var(--line);background:#fff;box-shadow:7px 7px 0 var(--line);overflow:hidden}.shot img{display:block;width:100%;height:auto;max-height:57vh;object-fit:contain;object-position:top center}.shot figcaption{padding:8px 12px;border-top:3px solid var(--line);color:var(--muted);font:700 9.5px/1.4 var(--mono)}.shot--tall img{max-height:62vh}.notes{display:grid;gap:9px;margin:0;padding:0;list-style:none}.notes li{padding:11px 12px;border-left:6px solid var(--accent);background:var(--panel);box-shadow:3px 3px 0 rgba(36,31,47,.18);font-size:clamp(12px,1vw,15px);line-height:1.42}.notes b{display:block;margin-bottom:3px;font:800 10px/1.3 var(--mono);color:var(--accent)}
.slide--dense h2{font-size:clamp(25px,3.15vw,46px)}.shot-layout--equal{grid-template-columns:minmax(0,1.2fr) minmax(360px,1fr)}
.version-shots{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin-top:16px}.version-shots .shot img{height:32vh;max-height:none;object-fit:contain;background:#28262a}.version-shots .shot figcaption{min-height:46px}.version-shots+.grid{margin-top:16px}.version-shots+.grid .card{padding:14px 16px}.version-shots+.grid .card p{font-size:clamp(11px,.92vw,14px);line-height:1.4}
.steps{counter-reset:steps;display:grid;gap:9px;margin:20px 0 0;padding:0;list-style:none}.steps li{counter-increment:steps;display:grid;grid-template-columns:40px 1fr;gap:13px;align-items:start;padding:11px 14px;border:3px solid var(--line);background:var(--panel);box-shadow:4px 4px 0 rgba(36,31,47,.18);font-size:clamp(13px,1.05vw,16px);line-height:1.4}.steps li::before{content:counter(steps,decimal-leading-zero);display:grid;place-items:center;width:34px;height:34px;background:var(--accent);color:#fff;font:800 11px/1 var(--mono)}.steps b{display:block;margin-bottom:3px}.steps p{margin:0;color:var(--muted)}
.steps--compact{gap:7px;margin-top:14px}.steps--compact li{grid-template-columns:34px 1fr;gap:9px;padding:8px 10px;font-size:clamp(11px,.9vw,13.5px);line-height:1.35}.steps--compact li::before{width:29px;height:29px;font-size:9.5px}.shot-layout>.steps{margin-top:0}
.workbench{display:grid;grid-template-columns:1fr 1.3fr 1fr;gap:12px;align-items:stretch;margin-top:24px}.workbench>div{padding:18px;border:3px solid var(--line);background:var(--panel);box-shadow:5px 5px 0 var(--line)}.workbench b{display:block;color:var(--accent);font:800 11px/1.3 var(--mono)}.workbench strong{display:block;margin-top:9px;font-size:clamp(16px,1.5vw,23px)}.workbench p{margin:8px 0 0;color:var(--muted);font-size:14px;line-height:1.45}.workbench .now{background:color-mix(in srgb,var(--accent) 12%,#fff);transform:translateY(-8px)}
.choice{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-top:22px}.choice>div{padding:22px;border:3px solid var(--line);background:var(--panel);box-shadow:6px 6px 0 var(--line)}.choice b{font:800 11px/1.3 var(--mono);color:var(--accent)}.choice strong{display:block;margin-top:10px;font-size:clamp(20px,2vw,30px)}.choice p{margin:8px 0 0;color:var(--muted);line-height:1.5}.choice .selected{border-color:var(--green);background:#ECFAF2}.choice .selected::before{content:"ВЫБИРАЕМ НА ПРАКТИКЕ";display:inline-block;margin-bottom:12px;padding:5px 8px;background:var(--green);color:#fff;font:800 9px/1 var(--mono)}
.inline-shot{display:block;width:100%;max-height:190px;margin-top:12px;border:2px solid var(--line);object-fit:contain;background:#fff}
.specs{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:24px}.spec{padding:20px;border:3px solid var(--line);background:var(--panel);box-shadow:5px 5px 0 var(--line)}.spec b{display:block;color:var(--accent);font:800 11px/1.3 var(--mono)}.spec strong{display:block;margin-top:8px;font:800 clamp(30px,4vw,58px)/1 var(--mono)}.spec p{margin:9px 0 0;color:var(--muted);font-size:14px;line-height:1.45}
.matrix{width:100%;margin-top:20px;border-collapse:collapse;border:3px solid var(--line);background:var(--panel);box-shadow:6px 6px 0 var(--line)}.matrix th,.matrix td{padding:11px 13px;border-bottom:2px solid var(--hair);text-align:left;vertical-align:top;font-size:clamp(11.5px,.98vw,15px);line-height:1.4}.matrix th{background:var(--line);color:#fff;font:800 10px/1.3 var(--mono);letter-spacing:.06em}.matrix td:first-child{font-weight:700}.matrix tr:last-child td{border-bottom:0}
.matrix--compact{margin-top:15px}.matrix--compact th,.matrix--compact td{padding:8px 9px;font-size:clamp(10.5px,.84vw,13px);line-height:1.32}.matrix--compact th{font-size:9px}
.terminal{margin-top:20px;border:3px solid #111;background:#17131B;color:#F4F0F4;box-shadow:7px 7px 0 var(--orange)}.terminal__bar{padding:8px 12px;background:#2B2530;color:#BDB5C0;font:700 10px/1 var(--mono)}.terminal pre{margin:0;padding:18px;font:600 clamp(12px,1.15vw,17px)/1.7 var(--mono);white-space:pre-wrap}.terminal .prompt{color:#6FD49B}.terminal .cmd{color:#FFB396}
.checklist{display:grid;gap:9px;margin:20px 0 0;padding:0;list-style:none}.checklist li{display:grid;grid-template-columns:32px 1fr auto;gap:12px;align-items:center;padding:11px 14px;border:3px solid var(--line);background:var(--panel);box-shadow:4px 4px 0 rgba(36,31,47,.18)}.checklist li::before{content:"□";font:800 23px/1 var(--mono);color:var(--green)}.checklist b{font-size:clamp(13px,1.05vw,16px)}.checklist span{color:var(--muted);font:700 10px/1.3 var(--mono)}
.callout{margin-top:18px;padding:16px 19px;border:3px solid var(--line);background:#FFF3DD;box-shadow:5px 5px 0 var(--line);font-size:clamp(13px,1.08vw,17px);line-height:1.5}.callout b{color:var(--aubergine)}
.final{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:24px}.final>div{padding:22px;border:3px solid #fff;background:rgba(255,255,255,.08)}.final b{display:block;color:#FFC6AE;font:800 11px/1.3 var(--mono)}.final strong{display:block;margin-top:10px;font-size:clamp(18px,1.7vw,27px);line-height:1.25}.final p{margin:9px 0 0;color:rgba(255,255,255,.78);line-height:1.45}
.nav{position:fixed;z-index:25;right:24px;bottom:20px;display:flex;gap:9px}.nav-button{width:46px;height:42px;font:900 19px/1 var(--mono)}.progress{position:fixed;z-index:25;left:0;bottom:0;width:100%;height:7px;background:rgba(36,31,47,.15)}.progress::after{content:"";display:block;width:var(--progress,0);height:100%;background:var(--accent);transition:width .25s ease}
.slide img{cursor:zoom-in}.slide img:focus-visible{outline:5px solid var(--blue);outline-offset:4px}.shot figcaption::after{content:" · клик — увеличить";color:var(--blue)}
.image-lightbox{position:fixed;inset:0;z-index:100;display:none;align-items:center;justify-content:center;padding:60px 5vw 28px;background:rgba(20,16,25,.94)}.image-lightbox.is-open{display:flex;flex-direction:column}.image-lightbox img{display:block;max-width:92vw;max-height:80vh;border:3px solid #fff;background:#fff;box-shadow:10px 10px 0 var(--orange);object-fit:contain;cursor:zoom-out}.image-lightbox p{max-width:1000px;margin:18px 0 0;color:#fff;font:700 12px/1.45 var(--mono);text-align:center}.image-lightbox__close{position:absolute;right:24px;top:20px;display:grid;place-items:center;width:48px;height:48px;border:3px solid #fff;background:var(--orange);color:#fff;box-shadow:4px 4px 0 #fff;font:800 26px/1 var(--mono);cursor:pointer}.image-lightbox__close:focus-visible{outline:4px solid var(--blue);outline-offset:4px}
.sources{position:fixed;inset:0;z-index:60;display:none;background:rgba(36,31,47,.72);padding:5vh 5vw}.sources.is-open{display:block}.sources-card{position:relative;max-width:960px;max-height:90vh;margin:auto;padding:28px;border:3px solid var(--line);background:var(--panel);box-shadow:9px 9px 0 var(--orange);overflow:auto}.sources h2{font-size:32px}.sources ul{padding-left:22px;line-height:1.55}.sources a{color:var(--blue)}.sources-close{position:absolute;right:16px;top:16px}
.fragment{opacity:0;transform:translateY(8px);transition:.28s ease}.fragment.revealed{opacity:1;transform:none}
@media(max-width:900px){.slide-inner{width:calc(100% - 34px)}.shot-layout,.shot-layout--equal,.version-shots,.grid--3,.grid--4,.workbench,.final{grid-template-columns:1fr}.grid--2,.choice,.arch{grid-template-columns:1fr}.arch__arrow{transform:rotate(90deg)}.route{grid-template-columns:repeat(3,1fr)}.specs{grid-template-columns:1fr 1fr}.shot img{max-height:42vh}.version-shots .shot img{height:auto;max-height:32vh}.brand-copy{display:none}}
@media(max-height:760px){.slide-inner{padding-top:18px;padding-bottom:60px}h2{font-size:clamp(24px,3.2vw,42px)}.lead{font-size:15px}.shot img{max-height:48vh}.card{padding:13px 15px}.steps{gap:6px}.steps li{padding:7px 10px}.notes li{padding:8px 10px}}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}