.toolkit-container{max-width:1200px;margin:0 auto;padding:0 1rem}.back-button{position:fixed;top:20px;left:20px;display:flex;align-items:center;justify-content:center;width:40px;height:40px;background-color:#fff;border-radius:50%;box-shadow:0 2px 4px rgba(0,0,0,.1);transition:all .3s ease;z-index:1000}.back-button:hover{transform:translateX(-4px);box-shadow:0 4px 8px rgba(0,0,0,.2)}.back-button svg{color:#333;transition:color .3s ease}.back-button:hover svg{color:#000}.back-button:after{content:"Home";position:absolute;left:50px;background-color:#333;color:white;padding:4px 8px;border-radius:4px;font-size:12px;opacity:0;transition:opacity .2s ease;pointer-events:none;white-space:nowrap}.back-button:hover:after{opacity:1}.toolkit-title{text-align:center;font-size:3rem;color:#1a1a1a;margin-top:20px;margin-bottom:25px;font-weight:300;letter-spacing:-.02em}.toolkit-section{margin-bottom:4rem}.toolkit-section h2{font-size:1.8rem;color:#333;margin-bottom:2rem;padding-bottom:.5rem;border-bottom:2px solid #eee}.toolkit-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1.5rem}.toolkit-item{background:#fff;padding:1.5rem;border-radius:10px;box-shadow:0 2px 10px rgba(0,0,0,.1);transition:transform .2s,box-shadow .2s}.toolkit-item:hover{transform:translateY(-5px);box-shadow:0 5px 15px rgba(0,0,0,.15)}.toolkit-item h3{font-size:1.2rem;color:#333;margin-bottom:.5rem}.toolkit-item p{color:#666;margin:.3rem 0;font-size:1rem;line-height:1.5}@media (max-width:1024px){.toolkit-title{font-size:2.5rem}.toolkit-grid{grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:1.25rem}}@media (max-width:768px){.toolkit-container{padding:0 .75rem}.back-button{width:36px;height:36px;top:15px;left:15px}.back-button svg{width:20px;height:20px}.back-button:after{left:45px;font-size:11px;padding:3px 6px}.toolkit-title{font-size:2rem;margin-top:15px;margin-bottom:20px}.toolkit-section h2{font-size:1.5rem}.toolkit-grid{grid-template-columns:1fr;gap:1rem}.toolkit-item{padding:1.25rem}}@media (max-width:480px){.toolkit-container{padding:0 .5rem}.back-button{width:32px;height:32px;top:10px;left:10px}.back-button svg{width:18px;height:18px}.back-button:after{left:40px;font-size:10px;padding:2px 5px}.toolkit-title{font-size:1.75rem;margin-top:10px;margin-bottom:15px}.toolkit-section{margin-bottom:3rem}.toolkit-section h2{font-size:1.3rem;margin-bottom:1.5rem}.toolkit-item{padding:1rem}.toolkit-item h3{font-size:1.1rem}.toolkit-item p{font-size:.95rem}}