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(max-width:768px){.container{padding:var(--spacing-xl)var(--spacing-md)}.hero__title{font-size:var(--text-4xl)}.hero__subtitle{font-size:var(--text-base)}.card{padding:var(--spacing-xl)}.card__title{font-size:var(--text-xl)}.card__actions{flex-direction:column}.btn{width:100%}.error-toast{left:var(--spacing-md);right:var(--spacing-md);max-width:none}.reading-card,.reading-card__content{padding:var(--spacing-xl)}.reading-card__content{max-height:70vh;font-size:var(--text-xl)}.reading-progress__bar{width:12rem}.sidebar-toggle{top:var(--spacing-md);right:var(--spacing-md);width:2.5rem;height:2.5rem}.reading-sidebar{width:100%;max-width:20rem}.reading-sidebar__tabs{flex-wrap:wrap}.reading-sidebar__tab{font-size:var(--text-xs);padding:var(--spacing-xs)var(--spacing-sm)}}@media (max-width:480px){.hero__title{font-size:var(--text-3xl)}.card{padding:var(--spacing-lg)}.reading-card__content{max-height:65vh;font-size:var(--text-lg)}}.home-page{background:var(--color-bg);flex-direction:column;min-height:100vh;display:flex}.home-nav{z-index:100;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid var(--color-border);background:#ffffffe6;position:sticky;top:0}.home-nav__content{max-width:72rem;padding:var(--spacing-lg)var(--spacing-xl);justify-content:space-between;align-items:center;margin:0 auto;display:flex}.home-nav__logo{font-size:var(--text-xl);color:var(--color-text);transition:opacity var(--transition-fast);font-weight:700;text-decoration:none}.home-nav__logo:hover{opacity:.7}.home-nav__cta{padding:var(--spacing-sm)var(--spacing-lg);background:var(--color-primary);color:#fff;border-radius:var(--radius-md);font-size:var(--text-sm);transition:all var(--transition);align-items:center;font-weight:600;text-decoration:none;display:inline-flex}.home-nav__cta:hover{background:var(--color-primary-hover);box-shadow:var(--shadow-md);transform:translateY(-1px)}.home-main{width:100%;max-width:72rem;padding:0 var(--spacing-xl);flex:1;margin:0 auto}.home-hero{text-align:center;padding:var(--spacing-3xl)0;max-width:48rem;margin:0 auto}.home-hero__title{font-size:var(--text-5xl);letter-spacing:-.025em;margin-bottom:var(--spacing-lg);color:var(--color-text);font-weight:700;line-height:1.2}.home-hero__description{font-size:var(--text-xl);color:var(--color-text-muted);margin-bottom:var(--spacing-2xl);line-height:1.6}.home-hero__button{padding:var(--spacing-lg)var(--spacing-2xl);background:var(--color-primary);color:#fff;border-radius:var(--radius-md);font-size:var(--text-lg);transition:all var(--transition);box-shadow:var(--shadow-md);align-items:center;font-weight:600;text-decoration:none;display:inline-flex}.home-hero__button:hover{background:var(--color-primary-hover);box-shadow:var(--shadow-lg);transform:translateY(-2px)}.home-section{padding:var(--spacing-3xl)0;border-top:1px solid var(--color-border)}.home-section--accent{background:var(--color-bg-subtle);border-radius:var(--radius-xl);padding:var(--spacing-3xl)var(--spacing-2xl);margin:var(--spacing-3xl)0;border:1px solid var(--color-border)}.home-section--contact{text-align:center}.home-section__title{font-size:var(--text-3xl);text-align:center;margin-bottom:var(--spacing-lg);color:var(--color-text);font-weight:700}.home-section__subtitle{font-size:var(--text-lg);margin-bottom:var(--spacing-xl)}.home-section__note,.home-section__subtitle{text-align:center;color:var(--color-text-muted);line-height:1.6}.home-section__note{font-size:var(--text-base);margin-top:var(--spacing-xl);font-style:italic}.home-grid{gap:var(--spacing-xl);margin-top:var(--spacing-2xl);grid-template-columns:repeat(auto-fit,minmax(16rem,1fr));display:grid}.home-card{border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:var(--spacing-xl);transition:all var(--transition);background:#fff}.home-card:hover{box-shadow:var(--shadow-md);border-color:var(--color-primary);transform:translateY(-2px)}.home-card__icon{background:var(--color-bg-subtle);border-radius:var(--radius-md);width:3rem;height:3rem;color:var(--color-primary);margin-bottom:var(--spacing-md);justify-content:center;align-items:center;display:flex}.home-card__title{font-size:var(--text-xl);margin-bottom:var(--spacing-sm);color:var(--color-text);font-weight:600}.home-card__text{font-size:var(--text-base);color:var(--color-text-muted);line-height:1.6}.home-challenges{gap:var(--spacing-md);margin-top:var(--spacing-xl);grid-template-columns:repeat(auto-fit,minmax(14rem,1fr));display:grid}.home-challenge{padding:var(--spacing-lg);border:1px solid var(--color-border);border-radius:var(--radius-md);font-size:var(--text-base);color:var(--color-text-muted);background:#fff;line-height:1.6}.home-challenge strong{color:var(--color-text);margin-bottom:var(--spacing-xs);font-weight:600;display:block}.home-mission{max-width:48rem;font-size:var(--text-xl);color:var(--color-text-muted);text-align:center;margin:0 auto;line-height:1.8}.home-contact__text{font-size:var(--text-lg);color:var(--color-text-muted);margin-bottom:var(--spacing-lg);line-height:1.6}.home-contact__email{font-size:var(--text-xl);color:var(--color-primary);padding:var(--spacing-md)var(--spacing-xl);border:2px solid var(--color-primary);border-radius:var(--radius-md);transition:all var(--transition);font-weight:600;text-decoration:none;display:inline-block}.home-contact__email:hover{background:var(--color-primary);color:#fff;box-shadow:var(--shadow-md);transform:translateY(-2px)}.home-footer{border-top:1px solid var(--color-border);margin-top:var(--spacing-3xl);background:var(--color-bg-subtle)}.home-footer__content{max-width:72rem;padding:var(--spacing-2xl)var(--spacing-xl);text-align:center;margin:0 auto}.home-footer__text{font-size:var(--text-base);color:var(--color-text-muted);margin-bottom:var(--spacing-sm);font-weight:500}.home-footer__copy{font-size:var(--text-sm);color:var(--color-text-subtle)}@media (max-width:768px){.home-nav__content{padding:var(--spacing-md)var(--spacing-lg)}.home-hero{padding:var(--spacing-2xl)0}.home-hero__title{font-size:var(--text-4xl)}.home-hero__description{font-size:var(--text-lg)}.home-section{padding:var(--spacing-2xl)0}.home-section--accent{padding:var(--spacing-2xl)var(--spacing-lg);margin:var(--spacing-2xl)0}.home-section__title{font-size:var(--text-2xl)}.home-grid{gap:var(--spacing-lg)}.home-challenges,.home-grid{grid-template-columns:1fr}.home-mission{font-size:var(--text-lg)}}@media (max-width:480px){.home-hero__title{font-size:var(--text-3xl)}.home-hero__description{font-size:var(--text-base)}.home-section__title{font-size:var(--text-xl)}.home-card{padding:var(--spacing-lg)}.home-contact__email{font-size:var(--text-lg);padding:var(--spacing-sm)var(--spacing-lg)}}