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ease;position:relative}.sidebar-nav__link:before{content:"";position:absolute;left:-1px;top:50%;transform:translateY(-50%);width:4px;height:0;background:var(--color-primary);border-radius:2px;transition:height .2s ease}.sidebar-nav__link:hover{color:var(--color-primary);background:var(--color-primary-light);text-decoration:none}.sidebar-nav__link.active{color:var(--color-primary);font-weight:600}.sidebar-nav__link.active:before{height:20px}.sidebar-nav__icon{width:16px;height:16px;flex-shrink:0;opacity:.6}.sidebar-nav__link.active .sidebar-nav__icon{opacity:1}.sidebar-nav__text{flex:1}.sidebar-nav__progress{margin-top:var(--space-sm);padding-top:var(--space-sm);border-top:1px solid var(--color-border);font-size:.6875rem;color:var(--color-text-muted)}.sidebar-nav__progress-bar{height:2px;background:var(--color-border);border-radius:1px;margin-top:4px;overflow:hidden}.sidebar-nav__progress-fill{height:100%;background:linear-gradient(90deg,var(--color-primary),var(--color-accent));border-radius:1px;width:0%;transition:width .3s ease}.mobile-section-nav{display:none;position:fixed;bottom:var(--space-md);left:50%;transform:translate(-50%);z-index:90;background:var(--color-white);border:1px solid var(--color-border);border-radius:2rem;padding:6px;box-shadow:0 4px 20px #00000026,0 0 0 1px #0000000d;max-width:calc(100% - var(--space-lg));opacity:0;pointer-events:none;transition:opacity .3s ease,transform .3s ease}.mobile-section-nav.visible{opacity:1;pointer-events:auto}@media(max-width:1200px){.mobile-section-nav{display:flex;align-items:center;gap:2px}}.mobile-section-nav__btn{display:flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:50%;background:transparent;border:none;color:var(--color-text-muted);cursor:pointer;transition:all .2s ease;text-decoration:none}.mobile-section-nav__btn svg{width:18px;height:18px}.mobile-section-nav__btn:hover{background:var(--color-primary-light);color:var(--color-primary)}.mobile-section-nav__btn.active{background:var(--color-primary);color:#fff}.mobile-section-nav__btn.active svg{fill:#fff}.mobile-section-nav__divider{width:1px;height:20px;background:var(--color-border);margin:0 4px}.mobile-section-nav__label{font-size:.6875rem;color:var(--color-text-muted);padding:0 8px;white-space:nowrap;max-width:90px;overflow:hidden;text-overflow:ellipsis}.explore-section{background:var(--color-bg);padding:var(--space-xl) 0}.explore-section .container{max-width:var(--max-width)}.explore-section .section-header{text-align:center;max-width:700px;margin:0 auto var(--space-xl)}.explore-section .section-header h2{margin-bottom:var(--space-sm)}.explore-section .section-header p{color:var(--color-text-muted);font-size:1.125rem}.explore-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--space-md)}@media(max-width:900px){.explore-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:520px){.explore-grid{grid-template-columns:1fr}}.explore-card{background:var(--color-white);border:1px solid var(--color-border);border-radius:var(--border-radius);padding:var(--space-md);text-decoration:none;color:inherit;display:flex;flex-direction:column;gap:var(--space-xs);transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease}.explore-card:hover{transform:translateY(-4px);box-shadow:0 12px 40px #1a5f6a1f;border-color:var(--color-primary-light);text-decoration:none}.explore-card__icon{width:40px;height:40px;border-radius:10px;display:flex;align-items:center;justify-content:center;flex-shrink:0}.explore-card__icon svg{width:20px;height:20px}.explore-card__title{font-family:var(--font-display);font-size:1.125rem;color:var(--color-primary-dark);line-height:1.3}.explore-card__desc{font-size:.875rem;color:var(--color-text-muted);line-height:1.5;margin:0;flex:1}.explore-card__arrow{font-size:.8125rem;font-weight:600;color:var(--color-primary);margin-top:var(--space-xs)}.contact-section{background:var(--color-white);border-top:1px solid var(--color-border);padding:var(--space-xl) 0}.contact-section__inner{max-width:600px;margin:0 auto;text-align:center}.contact-section__inner h2{font-size:1.5rem;margin-bottom:var(--space-sm)}.contact-section__inner p{color:var(--color-text-muted);font-size:1rem}.contact-section__email{display:inline-block;font-size:1.125rem;font-weight:600;color:var(--color-primary);padding:.75rem 1.5rem;border:2px solid var(--color-border);border-radius:var(--border-radius);transition:border-color .2s ease,background .2s ease;margin-top:var(--space-xs)}.contact-section__email:hover{border-color:var(--color-primary);background:var(--color-primary-light);text-decoration:none}