[data-astro-cid-mrm5k4fd],[data-astro-cid-mrm5k4fd]:before,[data-astro-cid-mrm5k4fd]:after{box-sizing:border-box}:root{--color-dark: #141413;--color-light: #faf9f5;--color-mid-gray: #b0aea5;--color-light-gray: #e8e6dc;--accent-orange: #d97757;--accent-orange-hover: #c4674a;--accent-blue: #6a9bcc;--accent-blue-hover: #5a87b5;--accent-green: #788c5d;--accent-green-hover: #677a4f;--bg-color: var(--color-light);--bg-surface: #ffffff;--bg-surface-alt: var(--color-light-gray);--text-primary: var(--color-dark);--text-secondary: #6b6963;--text-muted: var(--color-mid-gray);--accent-primary: var(--accent-orange);--accent-primary-hover: var(--accent-orange-hover);--color-success: #788c5d;--color-success-light: rgba(120, 140, 93, .1);--color-success-border: rgba(120, 140, 93, .3);--color-warning: #d4a843;--color-warning-light: rgba(212, 168, 67, .1);--color-warning-border: rgba(212, 168, 67, .3);--color-danger: #c75450;--color-danger-light: rgba(199, 84, 80, .1);--color-danger-border: rgba(199, 84, 80, .3);--color-info: var(--accent-blue);--color-info-light: rgba(106, 155, 204, .1);--color-info-border: rgba(106, 155, 204, .3);--viz-1: var(--accent-orange);--viz-2: var(--accent-blue);--viz-3: var(--accent-green);--viz-4: #9b7db8;--viz-5: #d4a843;--viz-6: #5ba3a3;--font-heading: "Poppins", "Arial", sans-serif;--font-body: "Lora", "Georgia", serif;--font-mono: "Fira Code", "Consolas", monospace;--text-xs: .75rem;--text-sm: .875rem;--text-base: 1rem;--text-lg: 1.125rem;--text-xl: 1.25rem;--text-2xl: 1.5rem;--text-3xl: 1.875rem;--text-4xl: 2.25rem;--line-height-tight: 1.25;--line-height-normal: 1.6;--line-height-relaxed: 1.75;--spacing-xs: .5rem;--spacing-sm: 1rem;--spacing-md: 1.5rem;--spacing-lg: 2.5rem;--spacing-xl: 4rem;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--radius-xl: 24px;--radius-round: 50%;--border-light: 1px solid var(--color-light-gray);--border-medium: 1px solid var(--color-mid-gray);--shadow-sm: 0 1px 2px rgba(20, 20, 19, .05);--shadow-md: 0 2px 8px rgba(20, 20, 19, .08);--shadow-lg: 0 4px 16px rgba(20, 20, 19, .1);--shadow-focus: 0 0 0 3px rgba(217, 119, 87, .3);--transition-fast: .15s ease;--transition-normal: .25s ease;--transition-slow: .4s ease;--content-max-width: 52rem;--page-max-width: 72rem;--lesson-padding: var(--spacing-md)}@media(max-width:768px){:root{--spacing-xs: .375rem;--spacing-sm: .75rem;--spacing-md: 1rem;--spacing-lg: 1.5rem;--spacing-xl: 2.5rem;--lesson-padding: var(--spacing-sm)}}html{font-size:16px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:var(--font-body);font-size:var(--text-base);line-height:var(--line-height-normal);color:var(--text-primary);background-color:var(--bg-color);margin:0;padding:0}h1[data-astro-cid-mrm5k4fd],h2[data-astro-cid-mrm5k4fd],h3[data-astro-cid-mrm5k4fd],h4[data-astro-cid-mrm5k4fd],h5[data-astro-cid-mrm5k4fd],h6[data-astro-cid-mrm5k4fd]{font-family:var(--font-heading);font-weight:600;line-height:var(--line-height-tight);color:var(--text-primary);margin-top:0}h1[data-astro-cid-mrm5k4fd]{font-size:var(--text-4xl);margin-bottom:var(--spacing-md)}h2[data-astro-cid-mrm5k4fd]{font-size:var(--text-3xl);margin-bottom:var(--spacing-sm)}h3[data-astro-cid-mrm5k4fd]{font-size:var(--text-2xl);margin-bottom:var(--spacing-sm)}h4[data-astro-cid-mrm5k4fd]{font-size:var(--text-xl);margin-bottom:var(--spacing-xs)}p[data-astro-cid-mrm5k4fd]{margin-top:0;margin-bottom:var(--spacing-sm)}a[data-astro-cid-mrm5k4fd]{color:var(--accent-primary);text-decoration:none;transition:color var(--transition-fast)}a[data-astro-cid-mrm5k4fd]:hover{color:var(--accent-primary-hover);text-decoration:underline}img[data-astro-cid-mrm5k4fd]{max-width:100%;height:auto}code[data-astro-cid-mrm5k4fd]{font-family:var(--font-mono);font-size:.9em;background-color:var(--bg-surface-alt);padding:.15em .4em;border-radius:var(--radius-sm)}pre[data-astro-cid-mrm5k4fd]{font-family:var(--font-mono);font-size:var(--text-sm);background-color:var(--color-dark);color:var(--color-light);padding:var(--spacing-md);border-radius:var(--radius-md);overflow-x:auto}pre[data-astro-cid-mrm5k4fd] code[data-astro-cid-mrm5k4fd]{background:none;padding:0;color:inherit}table[data-astro-cid-mrm5k4fd]{width:100%;border-collapse:collapse;margin-bottom:var(--spacing-md);font-size:var(--text-sm)}th[data-astro-cid-mrm5k4fd],td[data-astro-cid-mrm5k4fd]{padding:var(--spacing-xs) var(--spacing-sm);text-align:left;border-bottom:var(--border-light)}th[data-astro-cid-mrm5k4fd]{font-family:var(--font-heading);font-weight:600;font-size:var(--text-sm);color:var(--text-secondary);text-transform:uppercase;letter-spacing:.05em}.lesson-header[data-astro-cid-mrm5k4fd]{text-align:center;padding:var(--spacing-xl) var(--lesson-padding) var(--spacing-lg);max-width:var(--content-max-width);margin:0 auto}.lesson-header[data-astro-cid-mrm5k4fd] h1[data-astro-cid-mrm5k4fd]{font-size:var(--text-3xl);margin-bottom:var(--spacing-xs)}.lesson-meta[data-astro-cid-mrm5k4fd]{color:var(--text-secondary);font-size:var(--text-sm)}.lesson-meta[data-astro-cid-mrm5k4fd] strong[data-astro-cid-mrm5k4fd]{font-family:var(--font-heading)}.progress-bar[data-astro-cid-mrm5k4fd]{position:sticky;top:0;z-index:50;display:flex;gap:2px;padding:var(--spacing-xs) var(--lesson-padding);max-width:var(--content-max-width);margin:0 auto var(--spacing-md);overflow-x:auto;flex-wrap:nowrap;scrollbar-width:none;-webkit-overflow-scrolling:touch}.progress-bar[data-astro-cid-mrm5k4fd]::-webkit-scrollbar{display:none}.progress-bar[data-astro-cid-mrm5k4fd]:before{content:"";position:absolute;inset:0 0 0 50%;transform:translate(-50%);width:100vw;background:var(--bg-color);box-shadow:0 2px 12px #0000000f;z-index:-1;pointer-events:none}.progress-bar[data-astro-cid-mrm5k4fd] button[data-astro-cid-mrm5k4fd]{flex:1 0 5.5rem;padding:var(--spacing-xs) var(--spacing-xs);font-family:var(--font-heading);font-size:var(--text-xs);font-weight:500;color:var(--text-muted);background:var(--bg-surface);border:var(--border-light);border-radius:var(--radius-sm);cursor:pointer;transition:all var(--transition-fast);white-space:nowrap}.progress-bar[data-astro-cid-mrm5k4fd] button[data-astro-cid-mrm5k4fd]:hover{background:var(--bg-surface-alt);color:var(--text-primary)}.progress-bar[data-astro-cid-mrm5k4fd] button[data-astro-cid-mrm5k4fd].visited{background:var(--color-success-light);color:var(--color-success);border-color:var(--color-success-border)}.progress-bar[data-astro-cid-mrm5k4fd] button[data-astro-cid-mrm5k4fd].active{background:var(--accent-primary);color:#fff;border-color:var(--accent-primary);font-weight:700;box-shadow:0 0 0 2px #d9775759,0 2px 8px #d9775740;transform:translateY(-1px);z-index:1;position:relative}@media(max-width:768px){.progress-bar[data-astro-cid-mrm5k4fd] button[data-astro-cid-mrm5k4fd]{font-size:.65rem;padding:.35rem .25rem;flex-basis:4.5rem}}.section[data-astro-cid-mrm5k4fd]{max-width:var(--content-max-width);margin:0 auto var(--spacing-sm);padding:0 var(--lesson-padding)}.section-header[data-astro-cid-mrm5k4fd]{display:flex;align-items:center;justify-content:space-between;padding:var(--spacing-sm) var(--spacing-md);background:var(--bg-surface);border:var(--border-light);border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-fast);user-select:none}.section-header[data-astro-cid-mrm5k4fd]:hover{background:var(--bg-surface-alt)}.section-header[data-astro-cid-mrm5k4fd] h2[data-astro-cid-mrm5k4fd]{margin:0;font-size:var(--text-xl)}.chevron[data-astro-cid-mrm5k4fd]{font-size:var(--text-lg);transition:transform var(--transition-normal);color:var(--text-muted)}.section[data-astro-cid-mrm5k4fd].open .chevron[data-astro-cid-mrm5k4fd]{transform:rotate(180deg)}.section-content[data-astro-cid-mrm5k4fd]{display:none;padding:var(--spacing-md);background:var(--bg-surface);border:var(--border-light);border-top:none;border-radius:0 0 var(--radius-md) var(--radius-md)}.section[data-astro-cid-mrm5k4fd].open .section-content[data-astro-cid-mrm5k4fd]{display:block}.definition-box[data-astro-cid-mrm5k4fd]{background:var(--bg-surface);border-left:4px solid var(--accent-primary);padding:var(--spacing-md);margin-bottom:var(--spacing-md);border-radius:0 var(--radius-md) var(--radius-md) 0;box-shadow:var(--shadow-sm)}.definition-box[data-astro-cid-mrm5k4fd] h4[data-astro-cid-mrm5k4fd]{font-family:var(--font-heading);color:var(--accent-primary);margin-bottom:var(--spacing-xs)}.reading-toolkit[data-astro-cid-mrm5k4fd]{background:var(--color-info-light);border:1px solid var(--color-info-border);padding:var(--spacing-md);border-radius:var(--radius-md);margin-bottom:var(--spacing-md)}.misconception-trap[data-astro-cid-mrm5k4fd]{background:var(--color-warning-light);border:1px solid var(--color-warning-border);padding:var(--spacing-md);border-radius:var(--radius-md);margin-bottom:var(--spacing-md)}.misconception-trap[data-astro-cid-mrm5k4fd]:before{content:"⚠️ Common Trap";display:block;font-family:var(--font-heading);font-weight:600;font-size:var(--text-sm);color:var(--color-warning);margin-bottom:var(--spacing-xs)}.callout[data-astro-cid-mrm5k4fd]{padding:var(--spacing-md);border-radius:var(--radius-md);margin-bottom:var(--spacing-md)}.callout[data-astro-cid-mrm5k4fd].info{background:var(--color-info-light);border:1px solid var(--color-info-border)}.callout[data-astro-cid-mrm5k4fd].success{background:var(--color-success-light);border:1px solid var(--color-success-border)}.callout[data-astro-cid-mrm5k4fd].warning{background:var(--color-warning-light);border:1px solid var(--color-warning-border)}.callout[data-astro-cid-mrm5k4fd].danger{background:var(--color-danger-light);border:1px solid var(--color-danger-border)}.validate-select[data-astro-cid-mrm5k4fd]{display:block;position:relative;max-width:100%}.validate-select[data-astro-cid-mrm5k4fd] select[data-astro-cid-mrm5k4fd]{font-family:var(--font-body);font-size:var(--text-base);padding:var(--spacing-xs) var(--spacing-sm);border:2px solid var(--color-light-gray);border-radius:var(--radius-sm);background:var(--bg-surface);color:var(--text-primary);cursor:pointer;transition:border-color var(--transition-fast);appearance:none;padding-right:2rem;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23b0aea5' d='M6 8L1 3h10z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right .5rem center;max-width:100%;width:100%;box-sizing:border-box}.validate-select[data-astro-cid-mrm5k4fd] select[data-astro-cid-mrm5k4fd]:focus{outline:none;border-color:var(--accent-primary);box-shadow:var(--shadow-focus)}.validate-select[data-astro-cid-mrm5k4fd] select[data-astro-cid-mrm5k4fd].correct{border-color:var(--color-success);background-color:var(--color-success-light)}.validate-select[data-astro-cid-mrm5k4fd] select[data-astro-cid-mrm5k4fd].incorrect{border-color:var(--color-danger);background-color:var(--color-danger-light)}.distractor-rationale[data-astro-cid-mrm5k4fd]{font-size:var(--text-sm);color:var(--color-danger);margin-top:var(--spacing-xs);display:none}.distractor-rationale[data-astro-cid-mrm5k4fd].visible{display:block}textarea[data-astro-cid-mrm5k4fd].reflection{width:100%;min-height:6rem;padding:var(--spacing-sm);font-family:var(--font-body);font-size:var(--text-base);border:2px solid var(--color-light-gray);border-radius:var(--radius-md);background:var(--bg-surface);color:var(--text-primary);resize:vertical;transition:border-color var(--transition-fast)}textarea[data-astro-cid-mrm5k4fd].reflection:focus{outline:none;border-color:var(--accent-primary);box-shadow:var(--shadow-focus)}.char-counter[data-astro-cid-mrm5k4fd]{font-size:var(--text-xs);color:var(--text-muted);text-align:right;margin-top:.25rem}.confidence-slider[data-astro-cid-mrm5k4fd]{margin:var(--spacing-md) 0}.confidence-slider[data-astro-cid-mrm5k4fd] input[data-astro-cid-mrm5k4fd][type=range]{width:100%;height:6px;-webkit-appearance:none;appearance:none;background:var(--color-light-gray);border-radius:3px;outline:none}.confidence-slider[data-astro-cid-mrm5k4fd] input[data-astro-cid-mrm5k4fd][type=range]::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;width:20px;height:20px;background:var(--accent-primary);border-radius:var(--radius-round);cursor:pointer;box-shadow:var(--shadow-md)}.confidence-slider[data-astro-cid-mrm5k4fd] .slider-labels[data-astro-cid-mrm5k4fd]{display:flex;justify-content:space-between;font-size:var(--text-xs);color:var(--text-muted);margin-top:var(--spacing-xs)}.prediction-checkpoint[data-astro-cid-mrm5k4fd]{background:var(--bg-surface-alt);border:2px dashed var(--accent-blue);padding:var(--spacing-md);border-radius:var(--radius-md);margin:var(--spacing-md) 0;text-align:center}.prediction-checkpoint[data-astro-cid-mrm5k4fd] button[data-astro-cid-mrm5k4fd]{margin-top:var(--spacing-sm)}.path-selector[data-astro-cid-mrm5k4fd]{display:grid;grid-template-columns:1fr 1fr;gap:var(--spacing-md);margin:var(--spacing-md) 0}.path-option[data-astro-cid-mrm5k4fd]{padding:var(--spacing-md);background:var(--bg-surface);border:2px solid var(--color-light-gray);border-radius:var(--radius-lg);cursor:pointer;transition:all var(--transition-normal);text-align:center}.path-option[data-astro-cid-mrm5k4fd]:hover{border-color:var(--accent-primary);box-shadow:var(--shadow-md)}.path-option[data-astro-cid-mrm5k4fd].selected{border-color:var(--accent-primary);background:#d977570d;box-shadow:var(--shadow-md)}.path-option[data-astro-cid-mrm5k4fd] h3[data-astro-cid-mrm5k4fd]{color:var(--accent-primary);margin-bottom:var(--spacing-xs)}.path-content[data-astro-cid-mrm5k4fd]{display:none}.path-content[data-astro-cid-mrm5k4fd].active{display:block}@media(max-width:768px){.path-selector[data-astro-cid-mrm5k4fd]{grid-template-columns:1fr}}.retrieval-checkpoint[data-astro-cid-mrm5k4fd]{background:var(--color-success-light);border:1px solid var(--color-success-border);padding:var(--spacing-md);border-radius:var(--radius-md);margin:var(--spacing-md) 0}.retrieval-checkpoint[data-astro-cid-mrm5k4fd] label[data-astro-cid-mrm5k4fd]{display:block;position:relative;padding-left:1.5rem;margin-bottom:var(--spacing-xs);cursor:pointer;font-size:var(--text-sm);line-height:1.6}.retrieval-checkpoint[data-astro-cid-mrm5k4fd] input[data-astro-cid-mrm5k4fd][type=checkbox]{position:absolute;left:0;top:.25em;accent-color:var(--color-success)}.practice-problem[data-astro-cid-mrm5k4fd]{background:var(--bg-surface);border:var(--border-light);border-radius:var(--radius-md);padding:var(--spacing-md);margin-bottom:var(--spacing-md);position:relative}.problem-variant[data-astro-cid-mrm5k4fd]{display:none}.problem-variant[data-astro-cid-mrm5k4fd].active{display:block}.regenerate-btn[data-astro-cid-mrm5k4fd]{display:inline-flex;align-items:center;gap:var(--spacing-xs);padding:var(--spacing-xs) var(--spacing-sm);font-family:var(--font-heading);font-size:var(--text-sm);font-weight:500;color:var(--accent-blue);background:var(--color-info-light);border:1px solid var(--color-info-border);border-radius:var(--radius-sm);cursor:pointer;transition:all var(--transition-fast);margin-top:var(--spacing-sm)}.regenerate-btn[data-astro-cid-mrm5k4fd]:hover{background:var(--accent-blue);color:#fff;border-color:var(--accent-blue)}.variant-counter[data-astro-cid-mrm5k4fd]{font-size:var(--text-xs);color:var(--text-muted);margin-top:var(--spacing-xs)}.find-the-error[data-astro-cid-mrm5k4fd]{background:var(--bg-surface);border:var(--border-light);border-radius:var(--radius-md);padding:var(--spacing-md);margin-bottom:var(--spacing-md);position:relative}.find-the-error[data-astro-cid-mrm5k4fd] .fte-prompt[data-astro-cid-mrm5k4fd]{font-family:var(--font-heading);font-weight:600;font-size:var(--text-lg);color:var(--text-primary);margin-bottom:var(--spacing-sm)}.fte-notepad[data-astro-cid-mrm5k4fd]{background:#fffef9;border:2px solid var(--color-light-gray);border-radius:var(--radius-md);padding:var(--spacing-md);margin-bottom:var(--spacing-md);position:relative;box-shadow:var(--shadow-sm)}.fte-notepad[data-astro-cid-mrm5k4fd]:before{content:"";position:absolute;left:2.5rem;top:0;bottom:0;width:1px;background:#c7545026;pointer-events:none}.fte-notepad-header[data-astro-cid-mrm5k4fd]{display:flex;align-items:center;gap:var(--spacing-xs);font-family:var(--font-heading);font-weight:600;font-size:var(--text-sm);color:var(--text-secondary);margin-bottom:var(--spacing-sm);padding-bottom:var(--spacing-xs);border-bottom:1px dashed var(--color-light-gray)}.fte-notepad-header[data-astro-cid-mrm5k4fd] .fte-student-icon[data-astro-cid-mrm5k4fd]{font-size:var(--text-lg)}.fte-step[data-astro-cid-mrm5k4fd]{display:flex;gap:var(--spacing-sm);padding:var(--spacing-xs) 0;align-items:baseline;transition:background var(--transition-fast);border-radius:var(--radius-sm)}.fte-step-label[data-astro-cid-mrm5k4fd]{font-family:var(--font-heading);font-weight:600;font-size:var(--text-sm);color:var(--text-muted);min-width:5.5rem;flex-shrink:0}.fte-step-content[data-astro-cid-mrm5k4fd]{flex:1;font-size:var(--text-base)}.fte-step[data-astro-cid-mrm5k4fd].fte-error-step{background:var(--color-danger-light);padding-left:var(--spacing-xs);padding-right:var(--spacing-xs);border-left:3px solid var(--color-danger)}.fte-step[data-astro-cid-mrm5k4fd].fte-correct-step{background:var(--color-success-light);padding-left:var(--spacing-xs);padding-right:var(--spacing-xs);border-left:3px solid var(--color-success)}.fte-options[data-astro-cid-mrm5k4fd]{display:flex;flex-direction:column;gap:var(--spacing-xs);margin-bottom:var(--spacing-sm)}.fte-option[data-astro-cid-mrm5k4fd]{display:flex;align-items:flex-start;gap:var(--spacing-xs);padding:var(--spacing-sm);background:var(--bg-surface);border:2px solid var(--color-light-gray);border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-fast);user-select:none}.fte-option[data-astro-cid-mrm5k4fd]:hover{border-color:var(--accent-blue);background:var(--color-info-light)}.fte-option[data-astro-cid-mrm5k4fd] input[data-astro-cid-mrm5k4fd][type=radio]{margin-top:.2em;accent-color:var(--accent-primary);flex-shrink:0}.fte-option-text[data-astro-cid-mrm5k4fd]{font-size:var(--text-sm);line-height:var(--line-height-normal)}.fte-option[data-astro-cid-mrm5k4fd].fte-selected-correct{border-color:var(--color-success);background:var(--color-success-light)}.fte-option[data-astro-cid-mrm5k4fd].fte-selected-incorrect{border-color:var(--color-danger);background:var(--color-danger-light)}.fte-option[data-astro-cid-mrm5k4fd].fte-reveal-correct{border-color:var(--color-success);background:var(--color-success-light)}.fte-feedback[data-astro-cid-mrm5k4fd]{padding:var(--spacing-sm) var(--spacing-md);border-radius:var(--radius-md);font-size:var(--text-sm);line-height:var(--line-height-normal);display:none;margin-bottom:var(--spacing-sm)}.fte-feedback[data-astro-cid-mrm5k4fd].visible{display:block}.fte-feedback[data-astro-cid-mrm5k4fd].correct{background:var(--color-success-light);border:1px solid var(--color-success-border);color:var(--color-success)}.fte-feedback[data-astro-cid-mrm5k4fd].incorrect{background:var(--color-danger-light);border:1px solid var(--color-danger-border);color:var(--color-danger)}.fte-check-btn[data-astro-cid-mrm5k4fd]{display:inline-flex;align-items:center;gap:var(--spacing-xs);padding:var(--spacing-xs) var(--spacing-md);font-family:var(--font-heading);font-size:var(--text-sm);font-weight:600;color:#fff;background:var(--accent-primary);border:none;border-radius:var(--radius-sm);cursor:pointer;transition:all var(--transition-fast)}.fte-check-btn[data-astro-cid-mrm5k4fd]:hover{background:var(--accent-primary-hover);box-shadow:var(--shadow-md)}.fte-check-btn[data-astro-cid-mrm5k4fd]:disabled{opacity:.5;cursor:not-allowed}@media(max-width:768px){.fte-notepad[data-astro-cid-mrm5k4fd]:before{display:none}.fte-step[data-astro-cid-mrm5k4fd]{flex-direction:column;gap:.25rem}.fte-step-label[data-astro-cid-mrm5k4fd]{min-width:unset}}.viz-container[data-astro-cid-mrm5k4fd]{background:var(--bg-surface);border:var(--border-light);border-radius:var(--radius-md);padding:var(--spacing-md);margin:var(--spacing-md) 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var(--transition-fast)}.filter-tag[data-astro-cid-mrm5k4fd]:hover{border-color:var(--accent-primary);color:var(--accent-primary)}.filter-tag[data-astro-cid-mrm5k4fd].active{background:var(--accent-primary);color:#fff;border-color:var(--accent-primary)}.course-grid[data-astro-cid-mrm5k4fd]{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:var(--spacing-md);max-width:var(--page-max-width);margin:0 auto;padding:0 var(--spacing-md)}.course-card[data-astro-cid-mrm5k4fd]{background:var(--bg-surface);border:var(--border-light);border-radius:var(--radius-lg);overflow:hidden;transition:all var(--transition-normal);text-decoration:none;color:inherit;display:flex;flex-direction:column}.course-card[data-astro-cid-mrm5k4fd]:hover{box-shadow:var(--shadow-lg);border-color:var(--accent-primary);transform:translateY(-3px);text-decoration:none}.course-card[data-astro-cid-mrm5k4fd] .card-header[data-astro-cid-mrm5k4fd]{background:linear-gradient(135deg,#d977571f,#d977570a);border-bottom:1px solid rgba(217,119,87,.15);padding:var(--spacing-md);display:flex;align-items:center;justify-content:center;min-height:5rem}.course-card[data-astro-cid-mrm5k4fd] .card-icon-circle[data-astro-cid-mrm5k4fd]{width:3rem;height:3rem;border-radius:50%;background:var(--accent-primary);color:#fff;font-size:var(--text-xl);font-family:var(--font-heading);font-weight:600;display:flex;align-items:center;justify-content:center;box-shadow:0 2px 8px #d9775759}.course-card[data-astro-cid-mrm5k4fd] .card-body[data-astro-cid-mrm5k4fd]{padding:var(--spacing-md);display:flex;flex-direction:column;flex:1}.course-card[data-astro-cid-mrm5k4fd] h3[data-astro-cid-mrm5k4fd]{font-size:var(--text-lg);margin-bottom:var(--spacing-xs)}.course-card[data-astro-cid-mrm5k4fd] .card-description[data-astro-cid-mrm5k4fd]{font-size:var(--text-sm);color:var(--text-secondary);flex:1;margin-bottom:var(--spacing-xs)}.course-card[data-astro-cid-mrm5k4fd] .card-meta[data-astro-cid-mrm5k4fd]{font-family:var(--font-heading);font-size:var(--text-xs);color:var(--text-muted);margin-bottom:var(--spacing-sm)}.course-card[data-astro-cid-mrm5k4fd] .card-tags[data-astro-cid-mrm5k4fd]{display:flex;flex-wrap:wrap;gap:.25rem;margin-bottom:var(--spacing-sm)}.course-card[data-astro-cid-mrm5k4fd] .card-tag[data-astro-cid-mrm5k4fd]{font-family:var(--font-heading);font-size:.65rem;font-weight:500;padding:.15rem .5rem;background:var(--bg-surface-alt);border-radius:var(--radius-xl);color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em}.course-card[data-astro-cid-mrm5k4fd] .card-cta[data-astro-cid-mrm5k4fd]{font-family:var(--font-heading);font-size:var(--text-sm);font-weight:600;color:var(--accent-primary);margin-top:auto;transition:gap var(--transition-fast)}.course-card[data-astro-cid-mrm5k4fd]:hover .card-cta[data-astro-cid-mrm5k4fd]{text-decoration:underline}.course-card[data-astro-cid-mrm5k4fd] .card-progress[data-astro-cid-mrm5k4fd]{margin-top:var(--spacing-sm);font-size:var(--text-xs);color:var(--text-muted)}.course-card[data-astro-cid-mrm5k4fd] .progress-bar-mini[data-astro-cid-mrm5k4fd]{height:4px;background:var(--color-light-gray);border-radius:2px;margin-top:.25rem;overflow:hidden}.course-card[data-astro-cid-mrm5k4fd] .progress-bar-mini[data-astro-cid-mrm5k4fd] .progress-fill[data-astro-cid-mrm5k4fd]{height:100%;background:var(--color-success);border-radius:2px;transition:width var(--transition-slow)}.empty-state[data-astro-cid-mrm5k4fd]{text-align:center;padding:var(--spacing-xl);color:var(--text-muted)}.empty-state[data-astro-cid-mrm5k4fd] p[data-astro-cid-mrm5k4fd]{font-size:var(--text-lg)}.landing-footer[data-astro-cid-mrm5k4fd]{text-align:center;padding:var(--spacing-xl) var(--spacing-md);color:var(--text-muted);font-size:var(--text-sm);border-top:var(--border-light);margin-top:var(--spacing-xl)}@media(max-width:768px){.course-grid[data-astro-cid-mrm5k4fd]{grid-template-columns:1fr}.landing-hero[data-astro-cid-mrm5k4fd] h1[data-astro-cid-mrm5k4fd]{font-size:var(--text-3xl)}}.breadcrumb[data-astro-cid-mrm5k4fd]{max-width:var(--page-max-width);margin:0 auto;padding:var(--spacing-sm) var(--spacing-md)}.breadcrumb-link[data-astro-cid-mrm5k4fd]{font-family:var(--font-heading);font-size:var(--text-sm);color:var(--text-secondary);text-decoration:none;transition:color var(--transition-fast)}.breadcrumb-link[data-astro-cid-mrm5k4fd]:hover{color:var(--accent-primary);text-decoration:none}.course-hero[data-astro-cid-mrm5k4fd]{background:var(--bg-surface);border-bottom:var(--border-light);padding:var(--spacing-xl) var(--spacing-md)}.course-hero-inner[data-astro-cid-mrm5k4fd]{max-width:var(--page-max-width);margin:0 auto}.course-badge-row[data-astro-cid-mrm5k4fd]{display:flex;gap:var(--spacing-xs);margin-bottom:var(--spacing-sm);flex-wrap:wrap}.course-level-badge[data-astro-cid-mrm5k4fd],.course-lang-badge[data-astro-cid-mrm5k4fd]{font-family:var(--font-heading);font-size:var(--text-xs);font-weight:600;padding:.2em .75em;border-radius:999px;letter-spacing:.04em;text-transform:uppercase}.course-level-badge[data-astro-cid-mrm5k4fd]{background:#d977571f;color:var(--accent-orange);border:1px solid rgba(217,119,87,.3)}.course-lang-badge[data-astro-cid-mrm5k4fd]{background:var(--bg-surface-alt);color:var(--text-secondary);border:var(--border-light)}.course-hero[data-astro-cid-mrm5k4fd] h1[data-astro-cid-mrm5k4fd]{font-size:var(--text-4xl);margin-bottom:var(--spacing-xs)}.course-tagline[data-astro-cid-mrm5k4fd]{font-family:var(--font-heading);font-size:var(--text-xl);font-weight:400;color:var(--text-secondary);margin-bottom:var(--spacing-sm)}.course-description[data-astro-cid-mrm5k4fd]{font-size:var(--text-base);color:var(--text-secondary);max-width:48rem;line-height:var(--line-height-relaxed);margin-bottom:var(--spacing-lg)}.course-stats[data-astro-cid-mrm5k4fd]{display:flex;align-items:center;gap:var(--spacing-md);flex-wrap:wrap;margin-bottom:var(--spacing-md)}.stat[data-astro-cid-mrm5k4fd]{display:flex;flex-direction:column}.stat-number[data-astro-cid-mrm5k4fd]{font-family:var(--font-heading);font-size:var(--text-2xl);font-weight:700;color:var(--accent-primary);line-height:1}.stat-label[data-astro-cid-mrm5k4fd]{font-family:var(--font-heading);font-size:var(--text-xs);color:var(--text-muted);text-transform:uppercase;letter-spacing:.06em;margin-top:2px}.stat-divider[data-astro-cid-mrm5k4fd]{width:1px;height:2.5rem;background:var(--color-light-gray)}.course-progress-wrap[data-astro-cid-mrm5k4fd]{max-width:32rem}.course-progress-header[data-astro-cid-mrm5k4fd]{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:.4rem}.course-progress-label[data-astro-cid-mrm5k4fd]{font-family:var(--font-heading);font-size:var(--text-xs);font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--text-muted)}.course-progress-count[data-astro-cid-mrm5k4fd]{font-family:var(--font-heading);font-size:var(--text-sm);font-weight:600;color:var(--color-success)}.progress-track[data-astro-cid-mrm5k4fd]{height:6px;background:var(--color-light-gray);border-radius:3px;overflow:hidden}.progress-fill-bar[data-astro-cid-mrm5k4fd]{height:100%;background:var(--color-success);border-radius:3px;transition:width var(--transition-slow)}.module-tabs[data-astro-cid-mrm5k4fd]{position:sticky;top:0;z-index:100;background:var(--bg-surface);border-bottom:var(--border-light);padding:0 var(--spacing-md);display:flex;gap:2px;overflow-x:auto;scrollbar-width:thin;-webkit-overflow-scrolling:touch;box-shadow:var(--shadow-sm)}.module-tab[data-astro-cid-mrm5k4fd]{display:flex;align-items:center;gap:6px;padding:var(--spacing-sm) var(--spacing-md);font-family:var(--font-heading);font-size:var(--text-sm);font-weight:500;color:var(--text-muted);background:transparent;border:none;border-bottom:3px solid transparent;cursor:pointer;white-space:nowrap;transition:all var(--transition-fast);border-radius:0}.module-tab[data-astro-cid-mrm5k4fd]:hover{color:var(--text-primary);background:var(--bg-surface-alt)}.module-tab[data-astro-cid-mrm5k4fd].active{color:var(--text-primary);border-bottom-color:var(--accent-primary);font-weight:600}.tab-dot[data-astro-cid-mrm5k4fd]{width:8px;height:8px;border-radius:50%;flex-shrink:0}.competencies-main[data-astro-cid-mrm5k4fd]{max-width:var(--page-max-width);margin:0 auto;padding:var(--spacing-lg) var(--spacing-md);display:flex;flex-direction:column;gap:var(--spacing-xl)}.module-header[data-astro-cid-mrm5k4fd]{margin-bottom:var(--spacing-md);padding-left:var(--spacing-md);border-left:4px solid var(--module-color, var(--accent-primary))}.module-label[data-astro-cid-mrm5k4fd]{font-family:var(--font-heading);font-size:var(--text-xs);font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--module-color, var(--accent-primary));margin-bottom:.25rem}.module-header[data-astro-cid-mrm5k4fd] h2[data-astro-cid-mrm5k4fd]{font-size:var(--text-2xl);margin-bottom:.25rem}.module-header[data-astro-cid-mrm5k4fd] p[data-astro-cid-mrm5k4fd]{font-size:var(--text-sm);color:var(--text-secondary);margin-bottom:0}.cards-grid[data-astro-cid-mrm5k4fd]{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,22rem),1fr));gap:var(--spacing-md);align-items:start}.course-footer[data-astro-cid-mrm5k4fd]{text-align:center;padding:var(--spacing-lg);border-top:var(--border-light);color:var(--text-muted);font-size:var(--text-sm);font-family:var(--font-heading)}@media(max-width:768px){.course-hero[data-astro-cid-mrm5k4fd] h1[data-astro-cid-mrm5k4fd]{font-size:var(--text-3xl)}.course-tagline[data-astro-cid-mrm5k4fd]{font-size:var(--text-lg)}.module-tab[data-astro-cid-mrm5k4fd]{padding:var(--spacing-sm) var(--spacing-sm);font-size:var(--text-xs)}.cards-grid[data-astro-cid-mrm5k4fd]{grid-template-columns:1fr}.stat-divider[data-astro-cid-mrm5k4fd]{display:none}.course-stats[data-astro-cid-mrm5k4fd]{gap:var(--spacing-md)}}