/* The original cover and original PDF pages remain untouched. */
.hero-book-credit{font-size:12px;color:#a1b6c9;margin:22px 0 0}.hero-book-credit span{padding:0 9px;color:#d6b374}.hero-book-display{position:relative;display:flex;align-items:center;justify-content:center;flex-direction:column;perspective:1500px;min-height:510px;padding:25px 0 0}.book-object{position:relative;display:block;width:300px;aspect-ratio:774/1146;border:0;padding:0;background:none;border-radius:3px 10px 10px 3px;transform-style:preserve-3d;transform:rotateY(-18deg) rotateZ(3deg);transition:transform .7s cubic-bezier(.2,.75,.25,1),filter .7s;cursor:pointer;box-shadow:24px 35px 55px #0008;animation:book-arrive 1.3s both}.book-object:hover{transform:rotateY(-7deg) rotateZ(0deg) translateY(-9px);filter:brightness(1.05)}.book-object:focus-visible{outline:3px solid #f2d293;outline-offset:10px}.book-cover-face{position:absolute;inset:0;display:block;background-image:url('book/cover-wrap.jpg');background-size:206.718% 100%;background-position:right center;border-radius:2px 9px 9px 2px;box-shadow:inset 4px 0 10px #06172888,inset -1px 0 1px #fff9;overflow:hidden}.book-cover-face:after{content:'';position:absolute;inset:0;background:linear-gradient(100deg,#fff3,transparent 8%,#0003 9%,transparent 12%,transparent 92%,#fff2);pointer-events:none}.book-paper-edge{position:absolute;inset:6px -12px 6px 9px;background:repeating-linear-gradient(to right,#dad7cb 0,#fffdf4 1px,#dedacb 2px,#fffef9 3px);border-radius:0 11px 11px 0;transform:translateZ(-12px);box-shadow:3px 2px 0 #d5b879}.book-spine-shadow{position:absolute;inset:0 auto 0 0;width:15px;background:linear-gradient(to right,#0b1720b8,transparent);border-radius:3px;pointer-events:none}.book-orbit{position:absolute;width:390px;height:390px;border:1px solid #89b2c214;border-radius:50%;pointer-events:none}.orbit-one{transform:translate(0,-5px);box-shadow:0 0 0 45px #5f9eb205,0 0 0 90px #5f9eb203}.orbit-two{width:480px;height:480px;border-style:dashed;opacity:.4;animation:orbit-turn 90s linear infinite}.book-floating-label{position:absolute;right:0;bottom:80px;display:flex;gap:10px;align-items:center;background:#20394eeb;border:1px solid #abc8d52a;padding:13px 18px;border-radius:13px;box-shadow:0 12px 25px #07182466;color:#e5e3db;font-size:11px;transform:rotate(-3deg)}.book-floating-label i{color:#edcd84;font-style:normal;font-size:20px}.book-display-caption{color:#8ba8bd;font-size:10px;letter-spacing:.3px;margin-top:35px}.book-display-caption span{color:#edcd84;padding-left:12px}.hero-actions button{font-family:inherit;cursor:pointer}.hero .hero-book-display{align-self:center}.book-section{scroll-margin-top:90px}.book-intro-grid{display:grid;grid-template-columns:1fr 1fr;gap:90px;align-items:center}.book-intro-grid h2{margin-top:0;font-size:47px}.book-intro-text{font-size:14px;line-height:1.95;color:#6b7d92;max-width:480px}.book-metadata{display:flex;gap:36px;margin:28px 0 31px}.book-metadata>div{display:grid;gap:6px}.book-metadata strong{font-size:28px;font-weight:650;color:#235974;letter-spacing:-1px}.book-metadata span{font-size:10px;color:#8d9baa}.book-section-actions{display:flex;align-items:center;gap:27px}.book-section-actions .button{font-size:12px;cursor:pointer;font-family:inherit}.book-download{display:grid;gap:5px;font-size:12px;color:#4c6b80}.book-download span{font-size:9px;color:#99a7b4}.book-download:hover{color:#087f92}.book-resume{display:block;margin-top:18px;border:0;background:none;padding:0;color:#258d9c;font:500 12px var(--sans);text-decoration:underline;text-underline-offset:5px;cursor:pointer}.book-chapter-cards{display:grid;gap:12px}.book-chapter-cards>.eyebrow{font-size:9px;letter-spacing:1px;color:#7395a8;margin-bottom:7px}.book-chapter-cards>button{display:flex;align-items:center;gap:17px;text-align:left;padding:22px 23px;border-radius:15px;background:#fff;border:1px solid #e1e9f1;font-family:inherit;cursor:pointer;transition:transform .25s,box-shadow .25s,border-color .25s}.book-chapter-cards>button:hover{transform:translateX(6px);border-color:#9fcbd6;box-shadow:0 10px 30px #143e5510}.chapter-icon{width:42px;height:44px;border-radius:12px;background:#eaf4f7;display:grid;place-items:center;color:#388b9f;font-size:24px;flex-shrink:0}.book-chapter-cards strong{display:block;font-size:14px;font-weight:600;color:#385c73}.book-chapter-cards small{display:block;margin-top:7px;font-size:10px;color:#8da1b1}.book-chapter-cards b{margin-left:auto;white-space:nowrap;font-weight:400;color:#8ca7b7;font-size:11px}.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}[hidden]{display:none!important}
/* Accessible, native full-screen dialog. */
#book-reader{position:fixed;inset:0;margin:0;padding:0;border:0;max-width:none;max-height:none;width:100%;height:100dvh;background:#e8e8e2;color:#243c4b;border-radius:0;overflow:hidden;z-index:10000;font-family:var(--sans)}#book-reader::backdrop{background:#071521f5}.reader-app{height:100%;display:flex;flex-direction:column;min-height:0}.reader-header{height:77px;display:flex;align-items:center;justify-content:space-between;gap:20px;background:#102a40;color:#f4f4ed;padding:16px 32px;flex:none}.reader-heading{display:flex;gap:14px;align-items:center}.reader-emblem{font-size:29px;color:#dfc08b}.reader-heading h2{margin:0;font-family:inherit;font-size:18px;font-weight:600;letter-spacing:-.4px;line-height:1.3;color:#f5f3e9}.reader-heading p{font-size:10px;margin:5px 0 0;color:#91a8ba}.reader-header-actions{display:flex;align-items:center;gap:22px}.reader-header-actions>a{font-size:11px;color:#b4c4cf;white-space:nowrap}.reader-close{display:flex;gap:16px;align-items:center;background:#ffffff10;border:1px solid #ffffff20;color:#d7e4eb;border-radius:9px;padding:8px 13px;font:12px var(--sans);cursor:pointer}.reader-close span{font-size:24px;line-height:1}.reader-toolbar{display:flex;align-items:center;justify-content:space-between;gap:15px;padding:10px 25px;border-bottom:1px solid #d9dfdf;background:#f8f9f6;flex:none;min-height:55px}.reader-tools-left,.reader-tools-right{display:flex;gap:7px;align-items:center}.reader-toolbar button{display:flex;gap:7px;align-items:center;justify-content:center;border:1px solid #dce4e6;background:#fff;color:#647c88;min-width:37px;min-height:34px;border-radius:8px;padding:6px 10px;font:16px var(--sans);cursor:pointer}.reader-toolbar button span{font-size:10px}.reader-toolbar button[aria-pressed=true],.reader-toolbar button[aria-expanded=true]{background:#e0eff1;border-color:#a9cdd4;color:#087c90}.reader-current-chapter{overflow:hidden;white-space:nowrap;text-overflow:ellipsis;color:#7a8b90;font-size:11px;max-width:45%}.reader-body{position:relative;flex:1;display:flex;min-height:0;overflow:hidden}.reader-sidebar{flex:0 0 320px;width:320px;overflow:auto;background:#f9faf7;border-right:1px solid #d9dfdf;padding:25px 20px;z-index:5}.reader-sidebar-heading{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;gap:15px}.reader-sidebar-heading h3{font-family:inherit;font-size:17px;letter-spacing:-.4px;margin:0;font-weight:600}.reader-sidebar-heading button{background:none;border:0;font-size:24px;color:#90a4ad;cursor:pointer;padding:0 6px}.reader-search-form label{display:block;font-size:10px;color:#7a939c;margin:0 0 9px}.reader-search-form>div{display:flex;border:1px solid #d7e0e2;border-radius:9px;overflow:hidden;background:white}.reader-search-form input{width:100%;min-width:0;border:0;background:transparent;padding:12px;font:13px var(--sans);outline:none}.reader-search-form>div:focus-within{outline:2px solid #329eb1}.reader-search-form button{border:0;border-left:1px solid #dce5e6;background:#edf5f5;color:#26889b;padding:0 13px;cursor:pointer}.reader-search-summary{font-size:10px;line-height:1.8;color:#92a1a9;margin:16px 0}.reader-sidebar nav{display:grid;gap:5px}.reader-toc-item{display:flex;gap:13px;align-items:flex-start;width:100%;border:0;background:transparent;border-radius:8px;padding:13px 10px;text-align:left;cursor:pointer;font:12px/1.7 var(--sans);color:#657f8b}.reader-toc-item span{min-width:28px;color:#a1b4bc;font-size:10px;padding-top:2px}.reader-toc-item:hover,.reader-toc-item.active{background:#e6f0f1;color:#167b90}.reader-search-item{width:100%;display:block;text-align:left;background:#fff;border:1px solid #e0e8e9;border-radius:10px;padding:13px;margin:0 0 9px;font:12px/1.8 var(--sans);color:#5c7a86;cursor:pointer}.reader-search-item strong{display:block;font-size:10px;color:#278b9d;margin-bottom:5px}.reader-search-item mark{background:#f9e6b6;color:inherit;border-radius:3px}.reader-workspace{position:relative;flex:1;min-width:0;overflow:auto;padding:24px 28px;display:flex;flex-direction:column;align-items:center;justify-content:flex-start;background:radial-gradient(ellipse at center,#f2f1eb,#e4e7e3);scroll-behavior:smooth}.reader-stage{position:relative;perspective:2000px;flex-shrink:0;width:min(100%,calc((100dvh - 247px)*1.4095));margin:auto;transform-style:preserve-3d}.reader-spread{display:flex;position:relative;aspect-ratio:1.4095;background:#fcfbf5;box-shadow:0 13px 36px #283d472c,0 2px 3px #273d4933;border-radius:3px;transform-style:preserve-3d}.reader-page{position:relative;width:50%;height:100%;background:#fff;overflow:hidden;border-radius:2px}.reader-page img{display:block;width:100%;height:auto;max-height:none;object-fit:contain;user-select:none;-webkit-user-drag:none}.reader-page.left:after,.reader-page.right:after{content:'';position:absolute;inset:0;pointer-events:none}.reader-page.left:after{background:linear-gradient(to left,#172a3d18,transparent 6%)}.reader-page.right:after{background:linear-gradient(to right,#172a3d18,transparent 6%)}.reader-page.blank{background:#f3f0e7;background-image:radial-gradient(#b9c2bd2b 1px,transparent 1px);background-size:6px 6px}.reader-page.blank:before{content:'СҰЛБА МҰРАСЫ';position:absolute;inset:50% 0 auto;text-align:center;font-size:11px;letter-spacing:4px;color:#b5b9ac}.reader-page-error{position:absolute;inset:30% 15% auto;text-align:center;font-size:12px;line-height:1.8;color:#6e8190}.reader-page-error button{display:block;margin:12px auto;background:#e7f3f5;border:0;border-radius:7px;padding:8px 15px;color:#237c90;cursor:pointer}.reader-cover-animation{position:absolute;top:0;bottom:0;left:50%;width:50%;transform-origin:left center;transform:rotateY(0deg);backface-visibility:hidden;z-index:8;pointer-events:none;border-radius:2px 8px 8px 2px;box-shadow:5px 7px 12px #0003}.reader-cover-animation.opening{animation:cover-open .85s cubic-bezier(.35,.05,.25,1) forwards}.reader-cover-animation.closing{animation:cover-close .65s cubic-bezier(.35,.05,.25,1) forwards}.reader-flip{position:absolute;top:0;bottom:0;width:50%;z-index:7;pointer-events:none;transform-style:preserve-3d;transform-origin:left center;left:50%}.reader-flip.reverse{left:0;transform-origin:right center}.reader-flip>img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;background:#fff;backface-visibility:hidden}.reader-flip>img.back{transform:rotateY(180deg)}.reader-flip.forward{animation:page-next .55s cubic-bezier(.35,.1,.3,1) forwards}.reader-flip.reverse{animation:page-prev .55s cubic-bezier(.35,.1,.3,1) forwards}.reader-status{font-size:10px;color:#8b9a9d;line-height:1.6;text-align:center;margin:12px 0 0;flex-shrink:0}.reader-status:empty{display:none}.reader-loading{position:absolute;top:20px;left:50%;transform:translateX(-50%);background:#183f50e8;color:white;padding:11px 17px;border-radius:25px;font-size:11px;z-index:9;white-space:nowrap;box-shadow:0 5px 15px #1233}.reader-footer{position:relative;flex:none;min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:20px;background:#f8f9f6;border-top:1px solid #dbe3e2;padding:12px 28px}.reader-footer>button{display:flex;gap:12px;align-items:center;border:1px solid #d6e1e3;background:white;color:#4a7585;border-radius:9px;padding:10px 17px;font:17px var(--sans);cursor:pointer}.reader-footer>button span{font-size:11px}.reader-footer button:disabled{opacity:.35;cursor:default}.reader-location{display:grid;justify-items:center;gap:4px}.reader-location form{display:flex;gap:6px;align-items:center}.reader-location input{width:50px;text-align:center;border:1px solid #dce4e5;border-radius:6px;background:#fff;font:13px var(--sans);color:#356477;padding:5px;appearance:textfield}.reader-location input::-webkit-inner-spin-button{appearance:none}.reader-location form span{font-size:11px;color:#98a9b0}.reader-location form button{border:0;border-radius:4px;background:none;color:#6d9aa9;font-size:15px;cursor:pointer}.reader-location>span{font-size:9px;color:#9cabb1}.reader-progress-track{position:absolute;top:-2px;left:0;right:0;height:3px;overflow:hidden;background:#dce8e8}.reader-progress-track span{display:block;height:100%;width:0;background:#379da8;transition:width .3s}.reader-text{width:min(100%,790px);padding:40px 45px;background:#fffef8;color:#344a56;box-shadow:0 5px 25px #2343;border-radius:4px;margin:auto;font:19px/1.9 Georgia,'Times New Roman',serif;white-space:pre-wrap}.reader-text h3{font:500 12px var(--sans);color:#7192a1;letter-spacing:1px;margin:0 0 20px}.reader-text p{margin:0}.reader-text .reader-text-notice{font:12px/1.8 var(--sans);color:#9b9e90;margin:0 0 20px;padding-bottom:15px;border-bottom:1px solid #e4e6da}.reader-workspace.zoomed{align-items:flex-start}.reader-workspace.zoomed .reader-stage{width:1450px;max-width:none;align-self:flex-start;margin:0 auto}.reader-workspace.zoomed .reader-text{font-size:25px;max-width:900px}.book-is-open{overflow:hidden}.reader-night .reader-workspace{background:radial-gradient(ellipse,#1d3041,#132331)}.reader-night .reader-page img,.reader-night .reader-flip img{filter:invert(.88) hue-rotate(180deg)}.reader-night .reader-page,.reader-night .reader-text{background:#1c3040;color:#d1dde1}.reader-night .reader-page.blank{background:#233744}.reader-night .reader-toolbar,.reader-night .reader-footer,.reader-night .reader-sidebar{background:#182e3e;border-color:#314b59;color:#b6cbd4}.reader-night .reader-toolbar button,.reader-night .reader-footer>button,.reader-night .reader-location input{background:#234050;border-color:#365360;color:#c0d8df}.reader-night .reader-search-form>div,.reader-night .reader-search-item{background:#213b4c;border-color:#355360;color:#c0d3da}.reader-night .reader-search-form input{color:#c0d3da}.reader-night .reader-toc-item{color:#9eb8c8}.reader-night .reader-toc-item:hover,.reader-night .reader-toc-item.active{background:#294c5c;color:#acd9df}.reader-night .reader-text-notice{color:#88a5b5;border-color:#365363}.reader-night .reader-page.blank:before{color:#7293a7}
.reveal-on-scroll{animation:section-appear .7s both}.book-reading-hint{font-size:10px;color:#8fa6b4}.reader-header button:focus-visible,.reader-toolbar button:focus-visible,.reader-footer button:focus-visible,.reader-sidebar button:focus-visible{outline:2px solid #2f9eaf;outline-offset:3px}
@keyframes cover-open{0%{transform:rotateY(0)}100%{transform:rotateY(-178deg)}}@keyframes cover-close{0%{transform:rotateY(-178deg)}100%{transform:rotateY(0)}}@keyframes page-next{to{transform:rotateY(-180deg)}}@keyframes page-prev{to{transform:rotateY(180deg)}}@keyframes book-arrive{from{opacity:0;transform:rotateY(-35deg) rotateZ(7deg) translateY(25px)}to{opacity:1;transform:rotateY(-18deg) rotateZ(3deg)}}@keyframes orbit-turn{to{transform:rotate(360deg)}}@keyframes section-appear{from{opacity:.3;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}
@media(max-width:1100px){.book-intro-grid{gap:50px}.book-object{width:270px}.hero-book-display{min-height:470px}.book-floating-label{right:-10px;bottom:65px}.reader-sidebar{width:280px;flex-basis:280px}.reader-current-chapter{max-width:32%}}
@media(max-width:800px){.book-object{width:235px}.hero-book-display{min-height:410px}.book-orbit{width:290px;height:290px}.orbit-two{width:350px;height:350px}.book-floating-label{right:-14px;bottom:65px;font-size:9px;padding:10px 12px}.book-intro-grid{gap:30px}.book-intro-grid h2{font-size:38px}.book-intro-text{font-size:13px}.book-chapter-cards>button{padding:18px 15px;gap:12px}.book-chapter-cards strong{font-size:12px}.book-chapter-cards small{font-size:9px}.chapter-icon{width:34px;height:38px;font-size:20px}.book-section-actions{gap:19px}.book-metadata{gap:25px}.book-section-actions .button{font-size:10px;padding:13px 14px}.reader-sidebar{position:absolute;left:0;top:0;bottom:0;width:min(330px,90%);box-shadow:15px 0 35px #19344233}.reader-current-chapter{display:none}.reader-header{padding:15px 20px}.reader-toolbar{padding:10px 20px}.reader-workspace{padding:18px}.reader-stage{width:min(100%,calc((100dvh - 245px)*.7047))}.reader-spread{aspect-ratio:.7047}.reader-page{width:100%}.reader-page:after{display:none}.reader-cover-animation{left:0;width:100%}.reader-flip,.reader-flip.reverse{width:100%;left:0}.reader-workspace.zoomed .reader-stage{width:850px}.reader-footer{padding:12px 20px}.reader-text{padding:30px 25px;font-size:18px}}
@media(max-width:560px){.hero-book-display{min-height:0;padding:15px 0 3px}.book-object{width:245px}.book-floating-label{right:0;bottom:67px;font-size:10px}.book-display-caption{margin-top:31px;font-size:9px}.hero-book-credit{font-size:10px;margin-top:18px}.hero .birth-note{display:none}.hero-book-display .orbit-two{width:330px;height:330px}.hero .hero-innovation{margin-top:22px}.book-intro-grid{grid-template-columns:1fr;gap:36px}.book-intro-grid h2{font-size:35px}.book-intro-text{font-size:13px}.book-metadata{gap:38px;margin:25px 0}.book-metadata strong{font-size:27px}.book-section-actions .button{font-size:11px;padding:14px 18px}.book-chapter-cards>button{padding:19px;gap:15px}.book-chapter-cards strong{font-size:13px}.book-chapter-cards small{font-size:10px}.book-chapter-cards b{font-size:10px}.reader-header{height:70px;padding:13px 15px;gap:10px}.reader-heading{gap:9px}.reader-heading h2{font-size:14px;letter-spacing:-.3px}.reader-heading p{font-size:8px}.reader-emblem{font-size:24px}.reader-header-actions{gap:12px}.reader-header-actions>a{font-size:9px}.reader-close{font-size:10px;gap:9px;padding:7px 9px}.reader-close span{font-size:20px}.reader-toolbar{padding:9px 13px;gap:10px;min-height:53px}.reader-toolbar button{font-size:16px;min-width:32px;min-height:34px;padding:5px 8px}.reader-toolbar button span{font-size:9px}.reader-tools-left,.reader-tools-right{gap:5px}.reader-workspace{padding:15px 10px}.reader-stage{width:min(100%,calc((100dvh - 225px)*.7047))}.reader-footer{padding:11px 13px 14px;min-height:73px;gap:10px}.reader-footer>button{padding:10px 12px;gap:7px}.reader-footer>button span{font-size:9px}.reader-location input{font-size:16px;width:49px}.reader-location form span{font-size:10px}.reader-location>span{font-size:8px}.reader-text{padding:25px 19px;font-size:18px}.reader-search-form input{font-size:16px}.reader-status{font-size:9px}.reader-sidebar{padding:22px 18px}.reader-workspace.zoomed .reader-stage{width:700px}.book-display-caption{letter-spacing:0}}
@media(prefers-reduced-motion:reduce){.book-object,.orbit-two,.reveal-on-scroll,.reader-flip,.reader-cover-animation{animation:none!important;transition:none!important}.book-object:hover,.book-chapter-cards>button:hover{transform:none}.reader-workspace{scroll-behavior:auto}}
@media print{.hero-book-display,.book-section-actions,.book-resume,#book-reader{display:none!important}.hero-book-credit{color:#444}.book-intro-grid{gap:25px}.book-chapter-cards>button{box-shadow:none}}