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var(--border-soft);border-radius:var(--radius-lg);background:var(--surface-card);box-shadow:0 8px 24px var(--shadow-soft)}.detail-box{padding:var(--spacing-lg)}.section-heading{margin-bottom:var(--spacing-lg)}.section-heading-tight{margin-bottom:var(--spacing-md)}.section-heading h2,.section-heading h3{margin-top:.35rem}.action-row,.button-row{display:flex;align-items:center;flex-wrap:wrap;gap:var(--spacing-sm);margin-top:var(--spacing-md)}.course-main-grid,.lesson-main-grid,.dashboard-grid,.profile-grid,.course-studio-grid,.course-grid,.experts-grid,.objectives-grid,.tech-content,.developers-list,.contact-grid,.tuner-control-grid{margin-top:10px;margin-bottom:10px}main>.container,main>.profile-page,.page-section{min-width:0}input,textarea,select{min-height:2.75rem}button:disabled,.btn:disabled{cursor:not-allowed;opacity:.62;transform:none;box-shadow:none}.section-shell{padding:clamp(2.5rem,6vw,4rem) 0}.btn{display:inline-block;padding:.75rem 1.5rem;border:none;border-radius:var(--radius-md);font-size:var(--fs-button);font-weight:var(--fw-medium);cursor:pointer;transition:transform var(--transition-medium),box-shadow var(--transition-medium),background-color var(--transition-medium),color var(--transition-medium),border-color var(--transition-medium);text-align:center;min-height:2.75rem;vertical-align:middle}.btn-primary{background-color:var(--primary-maroon);color:var(--text-light);border:1px solid var(--accent-dark-brown)}.btn-primary:hover{background-color:var(--accent-gold);transform:var(--interactive-scale);box-shadow:var(--shadow-floating);border:1px solid var(--accent-bronze)}.btn-secondary{background-color:var(--accent-gold);color:var(--text-primary)}.btn-secondary:hover{background-color:var(--primary-maroon);color:var(--text-light);transform:var(--interactive-scale)}.btn-outline{background-color:transparent;border:2px solid var(--text-light);color:var(--text-light)}.btn-outline:hover{background-color:var(--text-light);color:var(--primary-maroon);border-color:var(--text-light);transform:var(--interactive-scale);box-shadow:var(--shadow-floating)}.card{background-color:var(--secondary-light);border-radius:var(--radius-lg);box-shadow:0 2px 8px var(--shadow-base);overflow:hidden;border:1px solid var(--border-soft);transition:transform var(--transition-medium),box-shadow var(--transition-medium),border-color var(--transition-medium)}.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-elevated)}.section{padding:clamp(3.5rem,8vw,5.5rem) 0}.section-title{text-align:center;margin-bottom:var(--spacing-md)}.section-subtitle{text-align:center;color:var(--text-body-muted);font-size:var(--fs-body-lg);max-width:700px;margin:0 auto var(--spacing-lg)}.grid{display:grid;gap:var(--spacing-lg)}.grid-2{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-4{grid-template-columns:repeat(4,1fr)}@media (max-width: 1024px){.grid-4{grid-template-columns:repeat(3,1fr)}}@media (max-width: 768px){.grid-2,.grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}h1{font-size:calc(var(--fs-h1) * .8)}h2{font-size:calc(var(--fs-h2) * .85)}}@media (max-width: 640px){.container,.container-wide{padding-bottom:1rem}}@media (max-width: 480px){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}h1{font-size:calc(var(--fs-h1) * .7)}h2{font-size:calc(var(--fs-h2) * .8)}.container,.container-wide{padding-left:1rem;padding-right:1rem;padding-bottom:1rem}.btn{width:100%}.action-row,.button-row{align-items:stretch;flex-direction:column}}.text-center{text-align:center}.text-primary{color:var(--primary-maroon)}.text-accent{color:var(--accent-gold)}.bg-primary{background-color:var(--primary-maroon)}.bg-secondary{background:linear-gradient(180deg,var(--surface-secondary-start),var(--surface-secondary-end))}.mt-1{margin-top:var(--spacing-sm)}.mt-2{margin-top:var(--spacing-md)}.mt-3{margin-top:var(--spacing-lg)}.mt-4{margin-top:var(--spacing-xl)}.mb-1{margin-bottom:var(--spacing-sm)}.mb-2{margin-bottom:var(--spacing-md)}.mb-3{margin-bottom:var(--spacing-lg)}.mb-4{margin-bottom:var(--spacing-xl)}.py-1{padding-top:var(--spacing-sm);padding-bottom:var(--spacing-sm)}.py-2{padding-top:var(--spacing-md);padding-bottom:var(--spacing-md)}.py-3{padding-top:var(--spacing-lg);padding-bottom:var(--spacing-lg)}.py-4{padding-top:var(--spacing-xl);padding-bottom:var(--spacing-xl)}.loading{display:flex;justify-content:center;align-items:center;min-height:400px;color:var(--text-secondary)}html,body{scroll-behavior:smooth}::selection{background-color:var(--accent-gold);color:var(--text-primary)}[lang^=ne],[lang|=ne]{font-family:var(--font-devanagari),var(--font-heading),var(--font-sans)}