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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%;tab-size:4;line-height:1.5;font-family:var(--default-font-family,ui-sans-serif, system-ui, 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;-webkit-text-decoration:inherit;-webkit-text-decoration: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", 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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]){appearance:button}::file-selector-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{.collapse{visibility:collapse}.absolute{position:absolute}.fixed{position:fixed}.relative{position:relative}.sticky{position:sticky}.mb-1{margin-bottom:calc(var(--spacing) * 1)}.block{display:block}.flex{display:flex}.grid{display:grid}.hidden{display:none}.inline-flex{display:inline-flex}.table{display:table}.h-full{height:100%}.min-h-full{min-height:100%}.w-full{width:100%}.grow{flex-grow:1}.transform{transform:var(--tw-rotate-x,) var(--tw-rotate-y,) var(--tw-rotate-z,) var(--tw-skew-x,) var(--tw-skew-y,)}.justify-between{justify-content:space-between}.border{border-style:var(--tw-border-style);border-width:1px}.text-xs{font-size:var(--text-xs);line-height:var(--tw-leading,var(--text-xs--line-height))}.uppercase{text-transform:uppercase}.italic{font-style:italic}.outline{outline-style:var(--tw-outline-style);outline-width:1px}.transition{transition-property:color,background-color,border-color,outline-color,text-decoration-color,fill,stroke,--tw-gradient-from,--tw-gradient-via,--tw-gradient-to,opacity,box-shadow,transform,translate,scale,rotate,filter,-webkit-backdrop-filter,backdrop-filter,display,content-visibility,overlay,pointer-events;transition-timing-function:var(--tw-ease,var(--default-transition-timing-function));transition-duration:var(--tw-duration,var(--default-transition-duration))}@media (min-width:48rem){.md\:flex{display:flex}.md\:hidden{display:none}}}:root{--background:#091318;--foreground:#e7f0f5;--et-bg:#091318;--et-bg-soft:#0f1b22;--et-card:#12232c;--et-border:#223845;--et-text:#e7f0f5;--et-muted:#8aa2b2;--et-muted-soft:#6f8796;--et-accent:#0ea5a6;--et-cyan:#22d3ee;--et-green:#22c55e;--et-red:#ef4444;--et-yellow:#f59e0b}*{box-sizing:border-box}html,body{height:100%;margin:0;padding:0}.academy-hero{grid-template-columns:minmax(0,1.4fr) minmax(260px,.75fr)}@media (max-width:960px){.academy-hero{grid-template-columns:1fr!important}}body{background:var(--et-bg);color:var(--et-text);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:var(--et-bg)}::-webkit-scrollbar-thumb{background:var(--et-border);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:#2d4a59}input[type=range]{appearance:none;background:var(--et-border);cursor:pointer;border-radius:2px;outline:none;height:4px}input[type=range]::-webkit-slider-thumb{appearance:none;background:var(--et-accent);cursor:pointer;border:2px solid #164e54;border-radius:50%;width:16px;height:16px;transition:background .2s}input[type=range]::-webkit-slider-thumb:hover{background:var(--et-cyan)}input[type=range]::-moz-range-thumb{background:var(--et-accent);cursor:pointer;border:2px solid #164e54;border-radius:50%;width:16px;height:16px}.lesson-content h2{color:var(--et-text);border-bottom:1px solid var(--et-border);margin-top:2rem;margin-bottom:.75rem;padding-bottom:.5rem;font-size:1.4rem;font-weight:700}.lesson-content h3{color:#c9d8df;margin-top:1.5rem;margin-bottom:.5rem;font-size:1.1rem;font-weight:600}.lesson-content p{color:var(--et-muted);margin-bottom:1rem;line-height:1.8}.lesson-content strong{color:var(--et-text);font-weight:600}.lesson-content ul{margin:.75rem 0 1rem;padding:0;list-style:none}.lesson-content ul li{color:var(--et-muted);padding:.3rem 0 .3rem 1.5rem;line-height:1.7;position:relative}.lesson-content ul li:before{content:"▸";color:var(--et-cyan);position:absolute;left:0}.lesson-content ol{counter-reset:lesson-counter;margin:.75rem 0 1rem;padding:0;list-style:none}.lesson-content ol li{color:var(--et-muted);counter-increment:lesson-counter;padding:.3rem 0 .3rem 2rem;line-height:1.7;position:relative}.lesson-content ol li:before{content:counter(lesson-counter) ".";color:var(--et-cyan);font-weight:600;position:absolute;left:0}.lesson-content .info-box{border-left:3px solid var(--et-accent);background:#0f1b22;border-radius:0 8px 8px 0;margin:1.25rem 0;padding:1rem 1.25rem}.lesson-content .warning-box{border-left:3px solid var(--et-yellow);background:#211c10;border-radius:0 8px 8px 0;margin:1.25rem 0;padding:1rem 1.25rem}.lesson-content .success-box{border-left:3px solid var(--et-green);background:#0b211a;border-radius:0 8px 8px 0;margin:1.25rem 0;padding:1rem 1.25rem}@property --tw-rotate-x{syntax:"*";inherits:false}@property --tw-rotate-y{syntax:"*";inherits:false}@property --tw-rotate-z{syntax:"*";inherits:false}@property --tw-skew-x{syntax:"*";inherits:false}@property --tw-skew-y{syntax:"*";inherits:false}@property --tw-border-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-outline-style{syntax:"*";inherits:false;initial-value:solid}