@font-face{font-family:Tajawal;font-style:normal;font-display:swap;font-weight:400;src:url(/assets/tajawal-arabic-400-normal-CyCXRvzh.woff2) format("woff2"),url(/assets/tajawal-arabic-400-normal-DCQxawbB.woff) format("woff");unicode-range:U+0600-06FF,U+0750-077F,U+0870-088E,U+0890-0891,U+0897-08E1,U+08E3-08FF,U+200C-200E,U+2010-2011,U+204F,U+2E41,U+FB50-FDFF,U+FE70-FE74,U+FE76-FEFC,U+102E0-102FB,U+10E60-10E7E,U+10EC2-10EC4,U+10EFC-10EFF,U+1EE00-1EE03,U+1EE05-1EE1F,U+1EE21-1EE22,U+1EE24,U+1EE27,U+1EE29-1EE32,U+1EE34-1EE37,U+1EE39,U+1EE3B,U+1EE42,U+1EE47,U+1EE49,U+1EE4B,U+1EE4D-1EE4F,U+1EE51-1EE52,U+1EE54,U+1EE57,U+1EE59,U+1EE5B,U+1EE5D,U+1EE5F,U+1EE61-1EE62,U+1EE64,U+1EE67-1EE6A,U+1EE6C-1EE72,U+1EE74-1EE77,U+1EE79-1EE7C,U+1EE7E,U+1EE80-1EE89,U+1EE8B-1EE9B,U+1EEA1-1EEA3,U+1EEA5-1EEA9,U+1EEAB-1EEBB,U+1EEF0-1EEF1}@font-face{font-family:Tajawal;font-style:normal;font-display:swap;font-weight:400;src:url(/assets/tajawal-latin-400-normal-BVNSOH3d.woff2) format("woff2"),url(/assets/tajawal-latin-400-normal-BdYcZznU.woff) format("woff");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Tajawal;font-style:normal;font-display:swap;font-weight:500;src:url(/assets/tajawal-arabic-500-normal-BZ8ojJNu.woff2) format("woff2"),url(/assets/tajawal-arabic-500-normal-CbVEaYEW.woff) format("woff");unicode-range:U+0600-06FF,U+0750-077F,U+0870-088E,U+0890-0891,U+0897-08E1,U+08E3-08FF,U+200C-200E,U+2010-2011,U+204F,U+2E41,U+FB50-FDFF,U+FE70-FE74,U+FE76-FEFC,U+102E0-102FB,U+10E60-10E7E,U+10EC2-10EC4,U+10EFC-10EFF,U+1EE00-1EE03,U+1EE05-1EE1F,U+1EE21-1EE22,U+1EE24,U+1EE27,U+1EE29-1EE32,U+1EE34-1EE37,U+1EE39,U+1EE3B,U+1EE42,U+1EE47,U+1EE49,U+1EE4B,U+1EE4D-1EE4F,U+1EE51-1EE52,U+1EE54,U+1EE57,U+1EE59,U+1EE5B,U+1EE5D,U+1EE5F,U+1EE61-1EE62,U+1EE64,U+1EE67-1EE6A,U+1EE6C-1EE72,U+1EE74-1EE77,U+1EE79-1EE7C,U+1EE7E,U+1EE80-1EE89,U+1EE8B-1EE9B,U+1EEA1-1EEA3,U+1EEA5-1EEA9,U+1EEAB-1EEBB,U+1EEF0-1EEF1}@font-face{font-family:Tajawal;font-style:normal;font-display:swap;font-weight:500;src:url(/assets/tajawal-latin-500-normal-CoYeBiSI.woff2) format("woff2"),url(/assets/tajawal-latin-500-normal-DU9v6xgj.woff) format("woff");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Tajawal;font-style:normal;font-display:swap;font-weight:700;src:url(/assets/tajawal-arabic-700-normal-D2-eand5.woff2) format("woff2"),url(/assets/tajawal-arabic-700-normal-9L7Zusdl.woff) format("woff");unicode-range:U+0600-06FF,U+0750-077F,U+0870-088E,U+0890-0891,U+0897-08E1,U+08E3-08FF,U+200C-200E,U+2010-2011,U+204F,U+2E41,U+FB50-FDFF,U+FE70-FE74,U+FE76-FEFC,U+102E0-102FB,U+10E60-10E7E,U+10EC2-10EC4,U+10EFC-10EFF,U+1EE00-1EE03,U+1EE05-1EE1F,U+1EE21-1EE22,U+1EE24,U+1EE27,U+1EE29-1EE32,U+1EE34-1EE37,U+1EE39,U+1EE3B,U+1EE42,U+1EE47,U+1EE49,U+1EE4B,U+1EE4D-1EE4F,U+1EE51-1EE52,U+1EE54,U+1EE57,U+1EE59,U+1EE5B,U+1EE5D,U+1EE5F,U+1EE61-1EE62,U+1EE64,U+1EE67-1EE6A,U+1EE6C-1EE72,U+1EE74-1EE77,U+1EE79-1EE7C,U+1EE7E,U+1EE80-1EE89,U+1EE8B-1EE9B,U+1EEA1-1EEA3,U+1EEA5-1EEA9,U+1EEAB-1EEBB,U+1EEF0-1EEF1}@font-face{font-family:Tajawal;font-style:normal;font-display:swap;font-weight:700;src:url(/assets/tajawal-latin-700-normal-BypgxfGb.woff2) format("woff2"),url(/assets/tajawal-latin-700-normal-CV3bxpHe.woff) format("woff");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Tajawal;font-style:normal;font-display:swap;font-weight:800;src:url(/assets/tajawal-arabic-800-normal-TQp-UTiE.woff2) format("woff2"),url(/assets/tajawal-arabic-800-normal-Bp_4IW2m.woff) format("woff");unicode-range:U+0600-06FF,U+0750-077F,U+0870-088E,U+0890-0891,U+0897-08E1,U+08E3-08FF,U+200C-200E,U+2010-2011,U+204F,U+2E41,U+FB50-FDFF,U+FE70-FE74,U+FE76-FEFC,U+102E0-102FB,U+10E60-10E7E,U+10EC2-10EC4,U+10EFC-10EFF,U+1EE00-1EE03,U+1EE05-1EE1F,U+1EE21-1EE22,U+1EE24,U+1EE27,U+1EE29-1EE32,U+1EE34-1EE37,U+1EE39,U+1EE3B,U+1EE42,U+1EE47,U+1EE49,U+1EE4B,U+1EE4D-1EE4F,U+1EE51-1EE52,U+1EE54,U+1EE57,U+1EE59,U+1EE5B,U+1EE5D,U+1EE5F,U+1EE61-1EE62,U+1EE64,U+1EE67-1EE6A,U+1EE6C-1EE72,U+1EE74-1EE77,U+1EE79-1EE7C,U+1EE7E,U+1EE80-1EE89,U+1EE8B-1EE9B,U+1EEA1-1EEA3,U+1EEA5-1EEA9,U+1EEAB-1EEBB,U+1EEF0-1EEF1}@font-face{font-family:Tajawal;font-style:normal;font-display:swap;font-weight:800;src:url(/assets/tajawal-latin-800-normal-CmI34b-g.woff2) format("woff2"),url(/assets/tajawal-latin-800-normal-Dm5jVIIh.woff) format("woff");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}/*! tailwindcss v4.3.3 | MIT License | https://tailwindcss.com */@layer theme{:root,:host{--font-sans:"Tajawal", sans-serif;--font-mono:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;--default-font-family:var(--font-sans);--default-mono-font-family:var(--font-mono)}}@layer base{*,:after,:before,::backdrop{box-sizing:border-box;border:0 solid;margin:0;padding:0}::file-selector-button{box-sizing:border-box;border:0 solid;margin:0;padding:0}html,:host{-webkit-text-size-adjust:100%;-moz-tab-size:4;tab-size:4;line-height:1.5;font-family:var(--default-font-family,-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "Noto Sans", Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji");font-feature-settings:var(--default-font-feature-settings,normal);font-variation-settings:var(--default-font-variation-settings,normal);-webkit-tap-highlight-color:transparent}hr{height:0;color:inherit;border-top-width:1px}abbr:where([title]){-webkit-text-decoration:underline dotted;text-decoration:underline dotted}h1,h2,h3,h4,h5,h6{font-size:inherit;font-weight:inherit}a{color:inherit;-webkit-text-decoration:inherit;text-decoration:inherit}b,strong{font-weight:bolder}code,kbd,samp,pre{font-family:var(--default-mono-font-family,ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace);font-feature-settings:var(--default-mono-font-feature-settings,normal);font-variation-settings:var(--default-mono-font-variation-settings,normal);font-size:1em}small{font-size:80%}sub,sup{vertical-align:baseline;font-size:75%;line-height:0;position:relative}sub{bottom:-.25em}sup{top:-.5em}table{text-indent:0;border-color:inherit;border-collapse:collapse}:-moz-focusring:where(:not(iframe)){outline:auto}progress{vertical-align:baseline}summary{display:list-item}ol,ul,menu{list-style:none}img,svg,video,canvas,audio,iframe,embed,object{vertical-align:middle;display:block}img,video{max-width:100%;height:auto}button,input,select,optgroup,textarea{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}::file-selector-button{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}:where(select:is([multiple],[size])) optgroup{font-weight:bolder}:where(select:is([multiple],[size])) optgroup option{padding-inline-start:20px}::file-selector-button{margin-inline-end:4px}::placeholder{opacity:1}@supports (not ((-webkit-appearance:-apple-pay-button))) or (contain-intrinsic-size:1px){::placeholder{color:currentColor}@supports (color:color-mix(in lab,red,red)){::placeholder{color:color-mix(in oklab,currentcolor 50%,transparent)}}}textarea{resize:vertical}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-date-and-time-value{min-height:1lh;text-align:inherit}::-webkit-datetime-edit{display:inline-flex}::-webkit-datetime-edit-fields-wrapper{padding:0}::-webkit-datetime-edit{padding-block:0}::-webkit-datetime-edit-year-field{padding-block:0}::-webkit-datetime-edit-month-field{padding-block:0}::-webkit-datetime-edit-day-field{padding-block:0}::-webkit-datetime-edit-hour-field{padding-block:0}::-webkit-datetime-edit-minute-field{padding-block:0}::-webkit-datetime-edit-second-field{padding-block:0}::-webkit-datetime-edit-millisecond-field{padding-block:0}::-webkit-datetime-edit-meridiem-field{padding-block:0}::-webkit-calendar-picker-indicator{line-height:1}:-moz-ui-invalid{box-shadow:none}button,input:where([type=button],[type=reset],[type=submit]){-webkit-appearance:button;-moz-appearance:button;appearance:button}::file-selector-button{-webkit-appearance:button;-moz-appearance:button;appearance:button}::-webkit-inner-spin-button{height:auto}::-webkit-outer-spin-button{height:auto}[hidden]:where(:not([hidden=until-found])){display:none!important}}@layer components;@layer utilities{.visible{visibility:visible}.sr-only{clip-path:inset(50%);white-space:nowrap;border-width:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.fixed{position:fixed}.static{position:static}.block{display:block}.contents{display:contents}.resize{resize:both}}:root{color:#f0f0ee;font-synthesis:none;--surface:#1a1b1d;--card:#232426;--border:#353638;--muted:#b2b3b5;--red:#ef4949;color-scheme:dark;background:#111213;font-family:Tajawal,sans-serif}*{box-sizing:border-box}body{margin:0}button,a{-webkit-tap-highlight-color:transparent}button{font:inherit;cursor:pointer}button,a{touch-action:manipulation}button{color:inherit}button:disabled{cursor:default;opacity:.3}a{color:inherit;text-decoration:none}button:focus-visible,a:focus-visible{outline-offset:5px;outline:2px solid #ff7373}h1:focus{outline:none}h1,h2,p{margin:0}button{border:0}svg{flex-shrink:0}::selection{color:#fff;background:#893434}.app-shell{width:min(1180px,100% - 96px);height:100dvh;min-height:600px;padding-top:env(safe-area-inset-top);padding-bottom:env(safe-area-inset-bottom);flex-direction:column;margin:auto;display:flex}.site-header{flex-shrink:0;justify-content:space-between;align-items:center;gap:24px;height:112px;display:flex}.brand{align-items:center;gap:12px;display:flex}.brand img{object-fit:contain;background:#000;border:1px solid #2e2e30;border-radius:50%;width:56px;height:56px}.brand strong{font-size:21px;font-weight:800;line-height:1.4;display:block}.brand span{color:var(--muted);font-size:12px;display:block}.header-center{color:#999b9e;align-items:center;gap:12px;font-size:13px;display:flex}.header-center span{color:#d4d4d4}.header-center i{background:#68696b;border-radius:50%;width:3px;height:3px}.index-button{border:1px solid var(--border);background:#202123;border-radius:7px;align-items:center;gap:10px;min-height:44px;padding:10px 18px;font-size:14px;display:flex}.index-button:hover{background:#2c2d2f}.book{background:var(--surface);border:1px solid var(--border);border-radius:12px;flex-direction:column;flex:1;min-height:0;display:flex;position:relative;overflow:hidden;box-shadow:0 24px 70px #0003}.book-topbar{height:60px;color:var(--muted);border-bottom:1px solid #303133;flex-shrink:0;justify-content:space-between;align-items:center;padding:0 34px;font-size:13px;display:flex}.book-topbar>div{align-items:center;gap:10px;display:flex}.status-dot{background:var(--red);border-radius:50%;width:5px;height:5px}.book-edition{letter-spacing:2px;color:#919396;font:10px/1.4 Arial,sans-serif}.book-edition span{color:var(--red);margin:0 12px}.page-scroll{overscroll-behavior-y:contain;touch-action:pan-y pinch-zoom;scrollbar-width:thin;scrollbar-color:#4d4e50 transparent;flex:1;min-height:0;overflow-y:auto}.book-page{min-height:100%;padding:38px 48px;animation:.26s both page-in}.book-page.backward{--slide:-12px}.book-page.forward{--slide:12px}.cover{align-items:center;padding:32px 48px;display:flex}.cover-grid{grid-template-columns:1.1fr 1fr;align-items:center;gap:64px;width:100%;display:grid}.eyebrow{color:#b6b7b8;align-items:center;gap:10px;font-size:13px;line-height:1.6;display:flex}.tiny-line{background:var(--red);flex-shrink:0;width:22px;height:2px;display:inline-block}.cover h1{letter-spacing:-1.4px;margin-top:14px;font-size:46px;font-weight:800;line-height:1.5}.title-small{letter-spacing:0;font-size:25px;font-weight:500;line-height:1.2;display:block}.title-outline{color:#b8b9bc;letter-spacing:-.8px;white-space:nowrap;font-size:35px}.cover-tagline{margin-top:14px;font-size:22px;font-weight:700}.red-dot{color:var(--red)}.cover-tagline .red-dot{margin-right:4px}.cover-description{color:var(--muted);max-width:310px;margin-top:8px;font-size:15px;line-height:1.8}.primary{background:var(--red);color:#fff;border:1px solid #0000;border-radius:6px;justify-content:center;align-items:center;gap:27px;min-height:50px;padding:12px 22px;font-size:16px;font-weight:700;transition:background .18s,transform .18s;display:inline-flex}.primary:hover{background:#d83b3b}.primary:active{transform:translateY(1px)}.cover-button{min-width:180px;margin-top:25px}.swipe-hint{color:#a4a6a9;margin-top:12px;font-size:12px}.cover-meta{border-top:1px solid var(--border);color:#b6b7b9;align-items:center;gap:16px;margin-top:27px;padding-top:18px;font-size:12px;display:flex}.cover-meta strong{color:#eee;margin-left:5px;font-family:Arial,sans-serif;font-size:20px;font-weight:400}.cover-meta i{background:var(--border);width:1px;height:20px}.plus{color:var(--red);margin:0 3px}.photo-topline,.photo-bottomline{color:#a3a4a6;justify-content:space-between;align-items:center;padding:13px 0;font-size:11px;display:flex}.photo-topline{letter-spacing:1.3px;direction:ltr;font-family:Arial,sans-serif;font-size:9px}.photo-bottomline{font-size:12px}.portrait{aspect-ratio:1;background:#2d2e30;border-radius:7px;width:100%;position:relative;overflow:hidden}.portrait>img{object-fit:contain;filter:grayscale();width:100%;height:100%;display:block}.portrait:after{content:"";pointer-events:none;background:linear-gradient(#0000,#111c);position:absolute;top:50%;right:0;bottom:0;left:0}.portrait-caption{z-index:1;grid-template-columns:1fr auto;gap:4px;display:grid;position:absolute;bottom:24px;left:25px;right:25px}.portrait-caption>span{color:#d1d1d1;grid-column:1;font-size:12px}.portrait-caption strong{font-size:26px;font-weight:700}.portrait-caption svg{color:var(--red);grid-area:1/2/3;align-self:center}.book-navigation{background:#1c1d1f;border-top:1px solid #303133;flex-shrink:0;justify-content:space-between;align-items:center;gap:24px;min-height:82px;padding:14px 34px;display:flex}.nav-button{background:0 0;border:1px solid #404144;border-radius:5px;justify-content:center;align-items:center;gap:13px;min-width:100px;min-height:44px;font-size:14px;transition:background .16s;display:flex}.nav-button:not(:disabled):hover{background:#303134}.next{background:#292a2c;border-color:#4b4c4e}.progress-area{text-align:center;color:#aeb0b3;width:210px;font-size:12px}.progress-area strong{color:#fff;margin:0 5px;font-family:Arial,sans-serif;font-size:15px;font-weight:400}.progress-track{background:#414244;width:100%;height:2px;margin-top:10px;overflow:hidden}.progress-track>div{background:var(--red);transform-origin:100%;width:100%;height:100%;transition:transform .25s}.site-footer{color:#949699;flex-shrink:0;justify-content:space-between;align-items:center;height:61px;font-size:12px;display:flex}.site-footer>span:last-child{align-items:center;gap:12px;font-size:11px;display:flex}.key-hint{letter-spacing:6px;color:#b5b5b5;font:13px Arial,sans-serif}.chapter-heading{max-width:690px;margin-bottom:30px}.chapter-heading h1{letter-spacing:-.7px;margin-top:10px;font-size:34px;font-weight:800;line-height:1.55}.chapter-heading h1 .red-dot{margin-right:3px}.chapter-heading>p{color:var(--muted);margin-top:6px;font-size:16px;line-height:1.8}.audience-grid{grid-template-columns:repeat(3,1fr);gap:16px;display:grid}.audience-card{background:var(--card);border:1px solid var(--border);border-radius:7px;padding:24px}.card-number{color:#b1b2b4;border-bottom:2px solid var(--red);margin-bottom:27px;padding-bottom:12px;font:14px Arial,sans-serif;display:inline-block}.book-page h2{font-size:19px;font-weight:700;line-height:1.6}.book-page p{line-height:1.85}.audience-card p,.requirements-grid p{color:var(--muted);margin-top:9px;font-size:15px}.note{color:#c1c2c4;background:#222325;border-right:2px solid #ba4242;border-radius:3px;align-items:center;gap:15px;margin-top:26px;padding:14px 19px;font-size:14px;line-height:1.9;display:flex}.note>.tiny-line{display:none}.study-grid{grid-template-columns:230px 1fr;gap:40px;display:grid}.lecture-panel{border:1px solid var(--border);background:#222325;border-radius:8px;flex-direction:column;justify-content:center;align-items:center;min-height:295px;padding:24px;display:flex}.lecture-panel>svg{color:var(--red);margin-bottom:10px}.lecture-panel>strong{letter-spacing:-4px;font:70px/1.15 Arial,sans-serif}.lecture-panel>span{font-size:17px}.lecture-panel .telegram-tag{letter-spacing:2.5px;color:#aaa;border-top:1px solid var(--border);margin-top:18px;padding-top:17px;font:9px Arial,sans-serif;display:block}.lecture-panel p{color:var(--muted);text-align:center;margin-top:15px;font-size:12px}.step-list article{border-bottom:1px solid var(--border);gap:20px;padding:15px 0;display:flex}.step-list article:first-child{padding-top:0}.step-list article:last-child{border:0}.step-number{color:var(--red);flex-shrink:0;padding-top:8px;font:13px Arial,sans-serif}.step-list p{color:var(--muted);margin-top:3px;font-size:14px}.tech-grid{grid-template-columns:repeat(3,1fr);gap:12px;display:grid}.tech-grid article{border:1px solid var(--border);background:var(--card);border-radius:7px;align-items:center;gap:15px;padding:17px;display:flex}.tech-grid h2{text-align:right;font-size:17px;font-weight:500;font-family:Arial,sans-serif!important}.tech-grid p{color:var(--muted);margin-top:5px;font-size:12px}.tech-code{color:#ccc;direction:ltr;border:1px solid #48494b;border-radius:6px;flex-shrink:0;justify-content:center;align-items:center;width:42px;height:44px;font:16px monospace;display:flex}.extras{color:#c1c2c4;flex-wrap:wrap;gap:15px 30px;margin-top:24px;font-size:13px;display:flex}.extras span{align-items:center;gap:8px;display:flex}.extras svg{color:var(--red)}.projects-layout{grid-template-columns:.8fr 1.2fr;gap:35px;display:grid}.project-choices{flex-direction:column;gap:10px;padding-top:25px;display:flex}.project-choices button{text-align:right;border:1px solid var(--border);background:0 0;border-radius:5px;align-items:center;gap:15px;min-height:57px;padding:12px 15px;font-size:15px;display:flex}.project-choices button>span{color:#aaa;font:11px Arial,sans-serif}.project-choices button>svg{margin-right:auto}.project-choices button.selected{border-right:2px solid var(--red);background:#2b2c2e}.project-choices button:hover{background:#262729}.demo-label{color:var(--muted);align-items:center;gap:8px;margin-bottom:10px;font-size:12px;display:flex}.demo-window{color:#272727;direction:ltr;background:#e4e2dc;border:1px solid #494a4b;border-radius:7px;overflow:hidden}.window-bar{color:#bcbdbf;letter-spacing:1px;background:#353638;justify-content:space-between;align-items:center;height:28px;padding:0 12px;font:8px Arial;display:flex}.window-bar>div{gap:4px;display:flex}.window-bar i{background:#777;border-radius:50%;width:4px;height:4px}.demo-content{direction:rtl;padding:25px}.demo-kicker{border-bottom:1px solid #b9b6ae;padding-bottom:7px;font-size:10px;display:inline-block}.demo-content h2{letter-spacing:-.7px;margin-top:15px;font-size:25px}.demo-content p{color:#67655f;margin-top:5px;font-size:11px}.mock-widgets{gap:9px;margin-top:20px;display:flex}.mock-widgets>div{border:1px solid #c5c3bb;border-radius:3px;flex-direction:column;flex:1;gap:7px;height:59px;padding:10px;display:flex}.mock-widgets span{background:#b14444;border-radius:1px;width:14px;height:9px;display:block}.mock-widgets b{background:#99978e;width:60%;height:3px}.mock-widgets em{background:#c2bfb5;width:40%;height:3px}.mock-line{background:#333;width:64px;height:5px;margin-top:20px}.dashboard .mock-widgets>div{justify-content:flex-end;height:70px}.dashboard .mock-widgets span{width:8px;height:22px}.mobile .demo-content{border-inline:1px solid #c4c2bb;max-width:220px;margin:auto}.prototype .mock-widgets>div{border-style:dashed}.small-note{color:var(--muted);margin-top:12px;font-size:12px}.requirements-grid{grid-template-columns:repeat(3,1fr);gap:18px;display:grid}.requirements-grid article{background:var(--card);border:1px solid var(--border);border-radius:7px;padding:24px}.requirements-grid svg{color:#d0d0d0;margin-bottom:22px}.faq-list{max-width:850px}.faq-list article{border-bottom:1px solid var(--border);gap:24px;padding:22px 0;display:flex}.faq-list article:first-child{padding-top:0}.faq-list article:last-child{border-bottom:0}.faq-list h2{font-size:19px}.faq-list p{color:var(--muted);max-width:700px;margin-top:7px;font-size:15px}.mentor-layout{grid-template-columns:270px 1fr;align-items:center;gap:45px;display:grid}.mentor-layout .mentor-name{margin-top:10px;font-size:44px}.mentor-layout p{color:var(--muted);max-width:470px;font-size:16px}.mentor-bio{margin-top:12px;margin-bottom:10px}.mentor-portrait .portrait-caption{display:none}.mentor-signature{color:#c8c8c8;align-items:center;gap:13px;margin-top:25px;font-size:13px;display:flex}.final-layout{grid-template-columns:1fr 1.1fr;align-items:center;gap:50px;display:grid}.final-symbol{color:#b9babc;background:linear-gradient(135deg,#252628,#1c1d1f);border:1px solid #38393b;border-radius:8px;flex-direction:column;justify-content:center;align-items:center;gap:24px;height:255px;display:flex}.final-symbol>svg{stroke:#cdcdcc;width:78px;height:78px}.final-symbol>span{font-size:14px}.summary-list{gap:13px;margin-bottom:24px;font-size:16px;display:grid}.summary-list>div{align-items:center;gap:12px;display:flex}.summary-list svg{color:var(--red)}.whatsapp{gap:10px;width:100%;font-size:15px}.whatsapp svg:last-child{margin-right:auto}.text-button{background:0 0;border-bottom:1px solid #525355;align-items:center;gap:10px;min-height:44px;margin-top:10px;font-size:14px;display:inline-flex}.text-button:hover{color:var(--red)}.contents-dialog{color:#eee;background:#1c1d1f;border:1px solid #494a4d;border-radius:12px;width:min(490px,100% - 32px);max-height:calc(100dvh - 48px);margin:auto;padding:25px;position:fixed;top:0;right:0;bottom:0;left:0;overflow-y:auto;box-shadow:0 20px 90px #0008}.contents-dialog::backdrop{-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);background:#000b}.dialog-heading{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;padding-bottom:18px;display:flex}.dialog-heading h2{margin-top:3px;font-size:27px;font-weight:700}.dialog-heading .eyebrow{font-size:12px}.icon-button{background:#2c2d2f;border-radius:50%;justify-content:center;align-items:center;width:44px;height:44px;display:flex}.icon-button:hover{background:#414244}.contents-dialog nav{flex-direction:column;padding-top:12px;display:flex}.contents-dialog nav>button{text-align:right;background:0 0;border-radius:4px;align-items:center;gap:18px;min-height:47px;padding:9px 13px;font-size:15px;display:flex}.contents-dialog nav>button:hover{background:#303134}.contents-dialog nav>button[aria-current]{border-right:2px solid var(--red);background:#303134}.index-number{color:#a2a3a5;font:11px Arial}.contents-dialog nav svg,.contents-dialog nav small{margin-right:auto}.contents-dialog nav small{color:#ff8585;font-size:11px}.dialog-note{color:#a5a6a8;border-top:1px solid var(--border);margin-top:12px;padding-top:18px;font-size:12px}@keyframes page-in{0%{opacity:0;transform:translate(var(--slide,12px))}to{opacity:1;transform:translate(0)}}@media(min-width:1400px){.app-shell{max-height:1000px}.site-header{height:130px}.book-page{padding:45px 60px}.cover{padding:40px 60px}.cover h1{font-size:54px}.title-outline{font-size:40px}.cover-grid{gap:65px}.cover-tagline{font-size:24px}.cover-description{font-size:16px}.cover-meta{margin-top:35px}.chapter-heading{margin-bottom:38px}.chapter-heading h1{font-size:40px}.audience-card{padding:32px}.study-grid{grid-template-columns:270px 1fr}.requirements-grid article{padding:32px}}@media(max-width:1050px){.app-shell{width:calc(100% - 48px)}.book-page{padding:30px}.cover-grid{gap:30px}.cover h1{font-size:40px}.title-outline{font-size:29px}.cover-meta{gap:10px;font-size:11px}.audience-card{padding:18px}.book-page h2{font-size:18px}.study-grid{grid-template-columns:200px 1fr;gap:25px}.tech-grid article{gap:10px;padding:14px}.tech-code{width:35px}.mentor-layout{grid-template-columns:230px 1fr;gap:30px}.final-layout{gap:30px}.header-center{display:none}}@media(max-width:700px){.app-shell{width:100%;height:100dvh;min-height:0;padding:env(safe-area-inset-top) 0 env(safe-area-inset-bottom)}.site-header{gap:10px;height:78px;padding:0 20px}.brand{gap:9px}.brand img{width:43px;height:43px}.brand strong{font-size:18px}.brand span{font-size:10px}.index-button{gap:7px;min-height:44px;padding:8px 12px;font-size:12px}.index-button svg{width:17px}.book{box-shadow:none;border-inline:0;border-bottom:0;border-radius:0}.book-topbar{height:43px;padding:0 22px;font-size:11px}.book-edition{letter-spacing:1.2px;font-size:8px}.book-edition span{margin:0 6px}.book-page{padding:28px 23px}.cover{padding:25px 23px 28px;display:block}.cover-grid{flex-direction:column;align-items:stretch;gap:22px;display:flex}.cover-copy{position:relative}.cover .eyebrow{font-size:11px}.cover h1{letter-spacing:-.8px;margin-top:14px;font-size:39px;line-height:1.35}.title-small{margin-bottom:5px;font-size:19px}.title-outline{letter-spacing:-1px;font-size:29px}.cover-tagline{margin-top:12px;font-size:19px}.cover-description{max-width:none;margin-top:4px;font-size:14px}.cover-button{min-width:165px;min-height:48px;margin-top:18px;font-size:15px}.swipe-hint{margin-top:9px;font-size:11px}.cover-meta{gap:17px;margin-top:20px;padding-top:14px;font-size:12px}.cover-meta strong{font-size:18px}.cover-visual{width:100%;max-width:320px;margin:auto}.photo-topline{padding:0 0 10px;font-size:8px}.portrait{aspect-ratio:1}.photo-bottomline{padding-bottom:0;font-size:11px}.portrait-caption{bottom:18px;left:20px;right:20px}.portrait-caption strong{font-size:25px}.book-navigation{gap:15px;min-height:77px;padding:12px 18px}.nav-button{gap:7px;min-width:75px;min-height:44px;font-size:13px}.progress-area{white-space:nowrap;flex:1;max-width:110px;font-size:10px}.progress-area strong{margin:0 2px;font-size:13px}.progress-track{margin-top:8px}.site-footer{display:none}.chapter-heading{margin-bottom:26px}.chapter-heading .eyebrow{font-size:12px}.chapter-heading h1{letter-spacing:-.6px;margin-top:10px;font-size:29px;line-height:1.5}.chapter-heading>p{margin-top:8px;font-size:15px}.audience-grid{flex-direction:column;gap:12px;display:flex}.audience-card{grid-template-columns:27px 1fr;column-gap:13px;padding:20px;display:grid}.card-number{grid-row:1/3;margin:2px 0 auto;padding-bottom:8px;font-size:12px}.audience-card p{grid-column:2;margin-top:5px;font-size:14px}.book-page h2{font-size:18px}.note{align-items:flex-start;gap:12px;margin-top:20px;padding:13px 15px;font-size:14px}.note svg{width:20px;margin-top:5px}.study-grid{flex-direction:column;gap:25px;display:flex}.lecture-panel{text-align:center;grid-template-columns:auto 1fr;column-gap:20px;min-height:140px;padding:20px;display:grid}.lecture-panel>svg{grid-area:1/1/3;width:28px;margin:0 0 0 4px}.lecture-panel>strong{letter-spacing:-3px;grid-column:2;font-size:52px}.lecture-panel>span{grid-column:2;font-size:15px}.lecture-panel .telegram-tag{border:0;grid-area:3/1;margin:10px 0 0;padding:0;font-size:8px}.lecture-panel p{grid-column:2;margin-top:9px;font-size:11px}.step-list article{gap:15px;padding:17px 0}.step-list p{font-size:14px}.tech-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.tech-grid article{padding:15px 12px;display:block}.tech-code{width:33px;height:32px;margin-bottom:12px;font-size:13px}.tech-grid h2{text-align:right;font-size:16px!important}.tech-grid p{white-space:nowrap;font-size:12px}.extras{gap:12px 18px;margin-top:21px;font-size:12px}.extras svg{width:13px}.projects-layout{flex-direction:column;gap:24px;display:flex}.project-choices{gap:9px;padding-top:0}.project-choices button{min-height:48px;font-size:14px}.demo-content{padding:25px 20px}.demo-content h2{font-size:24px}.requirements-grid{flex-direction:column;gap:12px;display:flex}.requirements-grid article{grid-template-columns:32px 1fr;column-gap:17px;padding:20px;display:grid}.requirements-grid svg{grid-row:1/3;width:29px;margin:4px 0 0}.requirements-grid p{grid-column:2;margin-top:5px;font-size:14px}.faq-list article{gap:15px;padding:22px 0}.faq-list h2{font-size:18px}.faq-list p{margin-top:8px;font-size:15px}.mentor-layout{flex-direction:column-reverse;align-items:stretch;gap:25px;display:flex}.mentor-layout .mentor-name{margin-top:6px;font-size:38px}.mentor-layout p{font-size:15px}.mentor-signature{margin-top:20px;font-size:12px}.mentor-portrait{max-width:320px;margin:auto}.final-layout{flex-direction:column-reverse;align-items:stretch;gap:28px;display:flex}.final-symbol{gap:14px;height:150px}.final-symbol>svg{width:50px;height:50px}.final-symbol>span{font-size:13px}.summary-list{gap:14px;margin:0 0 25px;font-size:15px}.whatsapp{gap:8px;min-height:52px;padding:13px 15px;font-size:14px}.whatsapp svg{width:19px}.contents-dialog{max-height:calc(100dvh - 30px);padding:20px}.dialog-heading h2{font-size:25px}.contents-dialog nav>button{min-height:46px;font-size:14px}.text-button{margin-top:12px}}@media(max-width:370px){.site-header{padding:0 16px}.index-button{padding-inline:10px}.book-page,.book-topbar{padding-inline:20px}.cover h1{font-size:36px}.title-outline{font-size:27px}.cover-meta{gap:12px;font-size:11px}.tech-grid article{padding:13px 10px}.tech-grid p{font-size:11px}.book-navigation{gap:10px;padding-inline:16px}}@media(max-width:700px){.cover-grid{grid-template-columns:minmax(0,1fr) 128px;gap:13px 16px;display:grid}.cover-copy{display:contents}.cover-copy>*{grid-column:1/-1;margin:0}.cover-copy h1{grid-column:1;align-self:center;margin:0;font-size:34px;line-height:1.3}.cover-copy h1 .title-small{margin-bottom:6px;font-size:17px}.cover-copy .title-outline{white-space:normal;letter-spacing:-.6px;font-size:24px;line-height:1.6;display:inline-block}.cover-copy .cover-tagline{margin-top:3px;font-size:20px}.cover-copy .cover-description{font-size:14px}.cover-visual{grid-area:2/2;align-self:center;width:128px;margin:0}.cover-visual .photo-topline,.cover-visual .photo-bottomline,.cover-visual .portrait-caption{display:none}.cover-visual .portrait{border-radius:5px}.cover-copy .cover-button{justify-self:start;min-width:170px;margin-top:4px}.cover-copy .swipe-hint{margin-top:-3px;font-size:11px}.cover-copy .cover-meta{margin-top:6px;padding-top:15px}.cover-copy .eyebrow{margin-bottom:5px}}@media(max-width:370px){.cover-grid{grid-template-columns:minmax(0,1fr) 116px;column-gap:12px}.cover-visual{width:116px}.cover-copy h1{font-size:32px}.cover-copy .title-outline{font-size:23px}}@media(max-height:600px)and (min-width:701px){.app-shell{min-height:0}.site-header{height:75px}.site-footer{height:35px}.book-topbar{height:40px}.book-navigation{min-height:65px;padding-block:8px}}@media(prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}.app-shell{width:min(1220px,calc(100% - 48px));max-height:none;min-height:0}.site-header{height:84px}.site-footer{height:38px}.book.paper-reader{background:transparent;box-shadow:none;border:0;border-radius:0;overflow:visible}.paper-reader .book-topbar{height:36px;border:0;padding:0 20px}.book-stage{position:relative;flex:1;min-height:0;display:flex;align-items:center;justify-content:center;direction:ltr;isolation:isolate;touch-action:pan-y pinch-zoom;overflow:hidden}.book-rtl{flex-shrink:0;transform:scaleX(-1)!important;direction:ltr;transition:translate .65s ease}.book-stage.is-spread.is-front:not(.is-folding) .book-rtl{translate:calc(var(--sheet-width)/2) 0}.book-stage.is-spread.is-back:not(.is-folding) .book-rtl{translate:calc(var(--sheet-width)/-2) 0}.book-rtl .stf__wrapper,.book-rtl .stf__block{height:100%}.book-rtl.stf__parent{touch-action:pan-y pinch-zoom}.paper-sheet{background:#e8dfcc;box-shadow:0 1px #b4a995,0 3px #eee5d3,0 4px #b4a995,0 6px #e8dfcd;border-radius:2px 5px 5px 2px;color:#282722;overflow:hidden}.paper-sheet.--left{border-radius:5px 2px 2px 5px}.paper-surface{width:100%;height:100%;transform:scaleX(-1);direction:rtl;display:flex;flex-direction:column;position:relative;background:linear-gradient(90deg,#00000008,transparent 8%,transparent 94%,#00000010),repeating-linear-gradient(0deg,#93877205 0px,#93877205 1px,transparent 1px,transparent 4px),#f4efdf;color:#282722;overflow:hidden}.paper-sheet.--left .paper-surface{background:linear-gradient(90deg,#00000012,transparent 7%,transparent 93%,#00000003),repeating-linear-gradient(0deg,#93877205 0px,#93877205 1px,transparent 1px,transparent 4px),#f2ecdc}.paper-running-head{margin:0 32px;height:43px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid #c8bfab;color:#77705e;font-size:10px;flex-shrink:0}.paper-running-head>span:last-child{font:9px Arial;letter-spacing:2px}.paper-page-scroll{min-height:0;flex:1;overflow-y:auto;overscroll-behavior:contain;scrollbar-width:thin;scrollbar-color:#c0b59e transparent;touch-action:pan-y pinch-zoom}.paper-folio{height:41px;flex-shrink:0;display:flex;align-items:center;justify-content:space-between;margin:0 32px;border-top:1px solid #c8bfab;color:#706953;font-size:9px}.paper-folio>span:last-child{font:12px Georgia,serif}.paper-corner{position:absolute;width:24px;height:24px;bottom:0;left:0;background:linear-gradient(45deg,#d1c5ac 48%,#b8a88d 50%,#eee6d4 54%);filter:drop-shadow(1px -1px 1px #0002);pointer-events:none;opacity:.8;clip-path:polygon(0 0,100% 100%,0 100%)}.paper-sheet .book-page{padding:28px 32px 24px;animation:none;min-height:100%;width:100%}.paper-sheet .book-page p{line-height:1.85}.paper-sheet .chapter-heading{margin-bottom:24px}.paper-sheet .chapter-heading .eyebrow{font-size:12px;color:#746b57}.paper-sheet .chapter-heading h1{font-size:29px;margin-top:9px;line-height:1.5}.paper-sheet .chapter-heading>p{font-size:15px;color:#746b57;margin-top:7px}.paper-sheet h2{font-size:18px}.paper-sheet .tiny-line{background:#b53c35}.paper-sheet .red-dot,.paper-sheet .step-number,.paper-sheet .extras svg,.paper-sheet .summary-list svg{color:#b13b34}.paper-sheet .note{color:#625c4c;background:#e9e1cf;border-color:#b13b34;margin-top:20px;font-size:14px;padding:13px 15px}.paper-sheet .audience-grid,.paper-sheet .requirements-grid{display:flex;flex-direction:column;gap:12px}.paper-sheet .audience-card,.paper-sheet .requirements-grid article{border:1px solid #d6cbb4;background:#ede5d3;padding:17px;display:grid;grid-template-columns:30px 1fr;gap:3px 14px;border-radius:3px}.paper-sheet .card-number{grid-row:1/3;margin:4px 0 auto;padding-bottom:6px;font-size:12px;color:#7f725b;border-color:#b23c35}.paper-sheet .audience-card p,.paper-sheet .requirements-grid p{color:#6e6452;grid-column:2;font-size:14px;margin-top:2px}.paper-sheet .requirements-grid svg{grid-row:1/3;width:27px;color:#6f6553;margin:3px 0 0}.paper-sheet .study-grid{display:flex;flex-direction:column;gap:22px}.paper-sheet .lecture-panel{background:#e9e0cc;border-color:#d0c2a6;border-radius:3px;min-height:130px;display:grid;grid-template-columns:auto 1fr;padding:15px 25px;text-align:center;gap:0 20px}.paper-sheet .lecture-panel>svg{color:#ae3934;grid-column:1;grid-row:1/3;margin:0}.paper-sheet .lecture-panel>strong{grid-column:2;font-size:49px;letter-spacing:-2px}.paper-sheet .lecture-panel>span{grid-column:2;font-size:15px}.paper-sheet .lecture-panel .telegram-tag{grid-column:1;grid-row:3;border:0;padding:0;margin-top:7px;font-size:8px;color:#766b56}.paper-sheet .lecture-panel p{grid-column:2;font-size:12px;color:#766b56;margin-top:7px}.paper-sheet .step-list article{padding:14px 0;gap:15px;border-color:#d5cbb8}.paper-sheet .step-list p,.paper-sheet .faq-list p{font-size:14px;color:#6c6250}.paper-sheet .tech-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.paper-sheet .tech-grid article{background:#ede5d3;border-color:#d3c5aa;border-radius:3px;display:flex;gap:12px;padding:15px}.paper-sheet .tech-code{background:#e4dac5;border-color:#cbbd9f;color:#766347;font-size:13px;width:33px;height:34px;margin:0}.paper-sheet .tech-grid h2{font-size:15px}.paper-sheet .tech-grid p{font-size:11px;color:#766b57;white-space:normal}.paper-sheet .extras{font-size:12px;gap:10px 16px;color:#6e6450;margin-top:18px}.paper-sheet .projects-layout{display:flex;flex-direction:column;gap:22px}.paper-sheet .project-choices{padding-top:0;gap:8px;display:grid;grid-template-columns:1fr 1fr}.paper-sheet .project-choices button{min-height:54px;border-color:#cfbea2;background:#ede4d2;border-radius:3px;gap:9px;font-size:13px;padding:10px}.paper-sheet .project-choices button>span{color:#8d7b5b;font-size:10px}.paper-sheet .project-choices svg{display:none}.paper-sheet .project-choices button.selected{background:#e1d4ba;border-right-color:#aa3832}.paper-sheet .demo-label,.paper-sheet .small-note{color:#786c55;font-size:11px}.paper-sheet .demo-window{border-color:#a99c83;border-radius:3px}.paper-sheet .demo-content{padding:20px}.paper-sheet .demo-content h2{font-size:24px}.paper-sheet .faq-list article{border-color:#d2c5ab;gap:15px;padding:22px 0}.paper-sheet .faq-list article:first-child{padding-top:0}.paper-sheet .faq-list h2{font-size:18px}.paper-sheet .mentor-layout{display:flex;flex-direction:column;gap:22px;align-items:stretch}.paper-sheet .mentor-layout .mentor-portrait{max-width:240px;margin:auto;order:2}.paper-sheet .mentor-layout .eyebrow{color:#7d6c50;font-size:12px}.paper-sheet .mentor-layout .mentor-name{font-size:38px;margin-top:4px}.paper-sheet .mentor-layout p{color:#6d624e;font-size:15px}.paper-sheet .mentor-signature{font-size:12px;color:#6d624e;margin-top:17px}.paper-sheet .final-layout{display:flex;flex-direction:column-reverse;gap:25px;align-items:stretch}.paper-sheet .final-symbol{height:140px;background:linear-gradient(135deg,#292824,#20201d);border-color:#555140;color:#cec4ad;gap:12px}.paper-sheet .final-symbol>svg{width:46px;height:46px}.paper-sheet .final-symbol>span{font-size:12px}.paper-sheet .summary-list{font-size:15px;gap:13px;margin-bottom:25px}.paper-sheet .whatsapp{font-size:14px;padding:13px;gap:10px;background:#b13b34}.paper-sheet .text-button{font-size:13px;border-color:#8f8878}.paper-sheet .primary:hover{background:#9b2d28}.paper-sheet .hard-cover .primary{background:#db4541}.paper-sheet.hard-cover{background:#272726;box-shadow:0 2px #0c0c0b,0 4px #d4c9af,0 6px #0b0b0a}.hard-cover .paper-surface{background:linear-gradient(90deg,#0008,transparent 7%,transparent 94%,#0008),repeating-linear-gradient(45deg,#ffffff02 0px,#ffffff02 1px,transparent 1px,transparent 3px),#222321!important;color:#f3ecd9}.hard-cover .paper-surface:after{content:"";position:absolute;top:11px;right:11px;bottom:11px;left:11px;border:1px solid #c4b38642;border-radius:2px;pointer-events:none}.hard-cover .paper-running-head,.hard-cover .paper-folio{border-color:#c4b38640;color:#c0b697}.hard-cover .paper-running-head,.hard-cover .paper-folio{margin-inline:30px}.hard-cover .paper-corner{background:linear-gradient(45deg,#515044 48%,#121311 50%,#35372e 54%)}.hard-cover .book-page{padding:26px 32px}.hard-cover .cover-grid{display:grid;grid-template-columns:minmax(0,1fr) 145px;gap:15px 18px;align-items:center}.hard-cover .cover-copy{display:contents}.hard-cover .cover-copy>*{grid-column:1/-1;margin:0}.hard-cover .cover-copy h1{grid-column:1;font-size:37px;line-height:1.35;margin:0;letter-spacing:-.8px}.hard-cover .title-small{font-size:18px;margin-bottom:4px}.hard-cover .title-outline{font-size:25px;color:#d4c6a8;white-space:normal;line-height:1.5;letter-spacing:-.7px}.hard-cover .cover-copy .eyebrow{font-size:11px;color:#c9bfa4;margin:0 0 5px}.hard-cover .cover-copy .cover-tagline{font-size:20px;margin-top:9px}.hard-cover .cover-description{color:#c2bba9;font-size:14px;max-width:none}.hard-cover .cover-visual{grid-column:2;grid-row:2;width:145px;margin:0;align-self:center}.hard-cover .cover-visual .photo-topline,.hard-cover .cover-visual .photo-bottomline,.hard-cover .cover-visual .portrait-caption{display:none}.hard-cover .portrait{border-radius:2px}.hard-cover .cover-copy .cover-button{margin-top:9px;justify-self:start;min-width:170px}.hard-cover .cover-copy .swipe-hint{font-size:11px;color:#c4bda9;margin-top:-3px}.hard-cover .cover-copy .cover-meta{font-size:11px;border-color:#b9aa8540;margin-top:10px;padding-top:19px;gap:14px;color:#c8c0ac}.hard-cover .cover-meta i{background:#b9aa8540}.hard-cover .cover-meta strong{color:#eee5cf}.hard-cover .chapter-heading .eyebrow,.hard-cover .chapter-heading>p{color:#c4bca6}.hard-cover .chapter-heading h1{font-size:30px;color:#f3ecd9}.hard-cover .summary-list{color:#e2d9c3}.hard-cover .small-note{color:#c2b79c}.hard-cover .text-button{color:#e0d7be;border-color:#aaa084}.paper-reader .book-navigation{background:transparent;border:0;padding:10px 24px;min-height:65px}.paper-reader .progress-track{background:#4a453c}.paper-reader .progress-area{width:190px}.paper-reader .progress-area strong{font-size:13px}.is-folding{cursor:grabbing}.is-folding *{-webkit-user-select:none!important;user-select:none!important}.paper-folio,.paper-running-head{cursor:grab;-webkit-user-select:none;user-select:none}.paper-sheet a:focus-visible,.paper-sheet button:focus-visible{outline-color:#b33b34;outline-offset:3px}@media(max-width:700px){.app-shell{width:100%;padding-top:env(safe-area-inset-top);padding-bottom:env(safe-area-inset-bottom)}.site-header{height:67px;padding-inline:17px}.brand img{width:37px;height:37px}.brand strong{font-size:17px}.brand span{font-size:9px}.index-button{min-height:42px;font-size:11px}.paper-reader .book-topbar{height:30px;padding-inline:20px;font-size:10px}.paper-reader .book-edition{font-size:7px}.paper-reader .book-navigation{min-height:66px;padding:10px 18px}.paper-reader .progress-area{max-width:120px}.paper-sheet .book-page{padding:22px 23px}.paper-running-head{margin-inline:23px;height:37px;font-size:9px}.paper-folio{margin-inline:23px;height:36px;font-size:8px}.paper-sheet .chapter-heading h1{font-size:27px}.paper-sheet .chapter-heading>p{font-size:14px}.paper-sheet .chapter-heading{margin-bottom:23px}.paper-sheet .tech-grid article{display:block;padding:13px}.paper-sheet .tech-code{margin-bottom:10px}.paper-sheet .tech-grid p{font-size:12px}.hard-cover .book-page{padding:23px}.hard-cover .cover-grid{grid-template-columns:minmax(0,1fr) 113px;gap:13px 12px}.hard-cover .cover-copy h1{font-size:31px}.hard-cover .title-outline{font-size:22px}.hard-cover .title-small{font-size:16px}.hard-cover .cover-visual{width:113px}.hard-cover .cover-copy .cover-tagline{font-size:18px;margin-top:7px}.hard-cover .cover-description{font-size:14px}.hard-cover .cover-copy .cover-meta{font-size:10px;gap:10px;padding-top:15px}.hard-cover .cover-meta strong{font-size:17px}.hard-cover .cover-copy .eyebrow{font-size:10px}.hard-cover .cover-copy .cover-button{min-height:48px;font-size:14px;min-width:160px}.hard-cover .cover-copy .swipe-hint{font-size:10px}.hard-cover .chapter-heading h1{font-size:27px}.paper-sheet .whatsapp{font-size:13px;gap:7px;padding-inline:12px}.paper-sheet .whatsapp svg{width:17px}}@media(max-width:370px){.paper-sheet .book-page{padding-inline:20px}.hard-cover .cover-grid{grid-template-columns:minmax(0,1fr) 100px}.hard-cover .cover-visual{width:100px}.hard-cover .cover-copy h1{font-size:29px}.hard-cover .title-outline{font-size:20px}.hard-cover .cover-copy .cover-meta{font-size:9px}}@media(prefers-reduced-motion:reduce){.book-rtl{transition:none}}html,body,#root{width:100%;height:100%;margin:0;overflow:hidden}#root{height:100dvh}.app-shell.immersive-shell{width:100%;height:100%;max-width:none;min-height:0;max-height:none;padding:0;margin:0;display:flex;position:relative;overflow:hidden}.immersive-reader.book{width:100%;height:100%;margin:0;padding:0;flex:1;min-height:0;overflow:hidden}.immersive-reader .book-stage{width:100%;height:100%;flex:1;min-height:0;overflow:hidden}.immersive-reader .paper-sheet{border-radius:0;box-shadow:none}.immersive-shell .paper-surface{padding-top:env(safe-area-inset-top);padding-bottom:env(safe-area-inset-bottom)}.immersive-shell .paper-running-head{height:40px;flex-shrink:0;margin:0 28px;font-size:13px;line-height:1.5;cursor:grab}.immersive-shell .paper-folio{height:44px;min-height:44px;flex-shrink:0;margin:0 28px;display:flex;justify-content:space-between;align-items:center}.immersive-shell .paper-page-scroll{overflow:hidden;scrollbar-width:none;touch-action:pan-y pinch-zoom;min-height:0;flex:1}.immersive-shell .paper-sheet .book-page{padding:26px 28px;min-height:0;display:block;height:auto}.immersive-shell .paper-sheet .chapter-heading{margin:0 0 24px;max-width:none}.immersive-shell .paper-sheet .chapter-heading .eyebrow{font-size:13px;line-height:1.7;color:#766c58;gap:10px}.immersive-shell .paper-sheet .chapter-heading h1{font-size:30px;font-weight:800;line-height:1.5;letter-spacing:-.5px;margin:8px 0 0;color:inherit}.immersive-shell .paper-sheet .book-page p{font-size:16px;line-height:1.75;margin:0;color:#5d5443}.immersive-shell .paper-sheet .book-page h2{font-size:19px;line-height:1.55;font-weight:700;margin:0 0 5px;color:#2f2b23}.flow-block{margin-bottom:22px;break-inside:avoid;display:flow-root}.reading-item{display:flex;gap:17px;padding:0 0 17px;border-bottom:1px solid #d2c6ae}.reading-number{font:12px/1.5 Arial,sans-serif;color:#a23b33;flex-shrink:0;margin-top:7px}.reading-item>div{min-width:0}.reading-note{background:#e9dfc9;border-right:2px solid #ae3d34;border-radius:2px;padding:14px 16px;font-size:16px;line-height:1.75;color:#615540}.immersive-shell .paper-sheet .book-page .inline-note{margin-top:12px}.reading-technologies{display:grid;grid-template-columns:1fr 1fr;gap:14px}.reading-technologies>div{padding:16px;background:#e9e0cd;border:1px solid #d3c4a8;border-radius:3px;min-width:0}.immersive-shell .paper-sheet .reading-technologies h2{font-family:Arial,sans-serif;font-size:18px;direction:ltr;text-align:right;margin-bottom:8px}.immersive-shell .paper-sheet .reading-technologies p{font-size:15px}.reading-extras{display:grid;gap:10px}.reading-extras p,.printed-summary{display:flex;align-items:center;gap:12px}.reading-extras svg,.printed-summary svg{color:#ad3d34;flex-shrink:0}.reading-question{border-bottom:1px solid #d2c6ae;padding-bottom:18px}.immersive-shell .paper-sheet .reading-question h2{font-size:20px;margin-bottom:9px}.reading-project>p{margin-bottom:12px!important}.printed-example{border:1px solid #b8a88d;background:#e5ddcd;color:#363126;margin-top:13px;border-radius:3px;overflow:hidden}.example-bar{background:#39372f;color:#d9d1bc;padding:8px 12px;font-size:11px;display:flex;justify-content:space-between}.example-bar>span:last-child{font:8px Arial;letter-spacing:1px}.printed-example>strong{display:block;padding:15px 17px 7px;font-size:22px;font-weight:700;line-height:1.5}.example-lines{display:flex;gap:10px;padding:8px 17px 17px;height:45px}.example-lines i{display:block;width:28%;background:#d2c5ac;border-top:3px solid #98866a}.example-lines i:first-child{border-top-color:#aa3c34}.immersive-shell .paper-sheet .reading-caption{font-size:13px;line-height:1.7;margin:10px 0 0!important}.printed-mentor{display:flex;align-items:center;gap:20px}.printed-mentor img{width:140px;height:140px;object-fit:contain;filter:grayscale(1);border-radius:3px;flex-shrink:0}.printed-mentor span{font-size:14px;color:#71634c}.immersive-shell .paper-sheet .printed-mentor h2{font-size:32px;margin-top:7px}.printed-contact .whatsapp{width:100%;font-size:16px;min-height:54px;line-height:1.6;gap:10px;white-space:normal}.printed-contact>p{margin-top:12px!important;font-size:14px!important}.printed-text-button{min-height:44px;background:transparent;border-bottom:1px solid #a39373;padding:8px 0;font-size:15px}.printed-index{font-size:13px;color:inherit;line-height:1.5;min-height:40px;min-width:56px;padding:7px 0;background:transparent;text-align:left}.paper-turn{display:flex;align-items:center;justify-content:center;width:44px;height:44px;min-height:44px;background:transparent;color:#756b56;flex-shrink:0}.paper-turn:hover{color:#af3f35}.paper-turn:disabled{opacity:.2}.folio-count{font:13px Georgia,serif;direction:ltr;color:#776b51}.folio-count>span{color:#9b8c71;font-size:11px}.immersive-shell .hard-cover .paper-running-head,.immersive-shell .hard-cover .paper-folio{margin-inline:28px;color:#d0c3a6}.immersive-shell .hard-cover .chapter-heading .eyebrow{color:#c6bca3}.immersive-shell .hard-cover .book-page h2{color:#f1e7d0}.immersive-shell .hard-cover .book-page p,.immersive-shell .hard-cover .paper-turn,.immersive-shell .hard-cover .folio-count{color:#d1c5ac}.immersive-shell .hard-cover .printed-text-button{color:#e9ddc2}.immersive-shell .image-cover .paper-surface{padding:0;background:#111210!important}.immersive-shell .image-cover .paper-surface:after{display:none}.cover-open{position:absolute;top:0;right:0;bottom:0;left:0;display:block;width:100%;height:100%;cursor:grab;background:#111210;outline-offset:-5px}.full-cover-image{display:block;width:100%;height:100%;object-fit:contain;object-position:center;-webkit-user-select:none;user-select:none;pointer-events:none}.cover-index{position:absolute;bottom:12px;right:20px;color:#d0c4ae}.immersive-shell .paper-corner{width:18px;height:18px;opacity:.5}.book-measurement{position:fixed;left:-20000px;top:0;visibility:hidden;pointer-events:none;z-index:-1}.book-measurement .paper-sheet{position:relative!important;display:block!important;overflow:visible}.book-measurement .paper-surface{transform:none;height:auto;overflow:visible}.book-measurement .paper-page-scroll{overflow:visible;flex:none}.book-measurement .measure-capacity .paper-surface{height:100%;overflow:hidden}.book-measurement .measure-capacity .paper-page-scroll{flex:1;overflow:hidden}.book-measurement .measure-capacity .book-page{height:100%;box-sizing:border-box}.book-measurement .flow-block{width:100%}.immersive-reader .contents-dialog{max-height:95dvh;padding:20px}.immersive-reader .contents-dialog nav{display:grid;grid-template-columns:1fr 1fr;gap:5px 8px}.immersive-reader .contents-dialog nav>button{font-size:13px;min-height:48px;gap:9px;padding:9px}.immersive-reader .dialog-heading h2{font-size:24px}@media(max-height:460px){.immersive-reader .contents-dialog{padding:14px}.immersive-reader .dialog-heading{padding-bottom:12px}.immersive-reader .contents-dialog nav>button{min-height:44px;padding-block:7px}}@media(min-width:900px){.immersive-shell .paper-sheet .book-page{padding:34px 42px}.immersive-shell .paper-running-head,.immersive-shell .paper-folio,.immersive-shell .hard-cover .paper-running-head,.immersive-shell .hard-cover .paper-folio{margin-inline:42px}.immersive-shell .paper-sheet .chapter-heading h1{font-size:35px}.immersive-shell .paper-sheet .book-page p{font-size:18px}.immersive-shell .paper-sheet .book-page h2{font-size:22px}.reading-note{font-size:18px}.flow-block{margin-bottom:26px}}@media(max-width:370px){.immersive-shell .paper-sheet .book-page{padding:22px}.immersive-shell .paper-running-head,.immersive-shell .paper-folio,.immersive-shell .hard-cover .paper-running-head,.immersive-shell .hard-cover .paper-folio{margin-inline:22px}.immersive-shell .paper-sheet .chapter-heading h1{font-size:28px}.printed-contact .whatsapp{font-size:14px;gap:7px}.printed-contact .whatsapp svg{width:17px}.printed-mentor img{width:115px;height:115px}.immersive-shell .paper-sheet .printed-mentor h2{font-size:28px}}@media(max-height:460px){.immersive-shell .paper-sheet .book-page{padding:16px 24px}.immersive-shell .paper-running-head{height:32px;font-size:12px}.immersive-shell .paper-folio{height:40px;min-height:40px}.immersive-shell .paper-sheet .chapter-heading{margin-bottom:16px}.immersive-shell .paper-sheet .chapter-heading h1{font-size:26px;margin-top:4px}.immersive-shell .paper-sheet .chapter-heading .eyebrow{font-size:12px}.flow-block{margin-bottom:16px}.reading-item{padding-bottom:10px}.printed-example>strong{padding-block:10px 0;font-size:20px}.example-lines{height:34px;padding-block:6px 10px}.printed-mentor img{width:95px;height:95px}.reading-technologies>div{padding:12px}}
