.hero{text-align:center;padding:5rem 1rem;background:var(--primary-color);color:#fff;-webkit-clip-path:polygon(0 0,100% 0,100% 85%,0 100%);clip-path:polygon(0 0,100% 0,100% 85%,0 100%)}.hero h1{font-size:2.8rem;margin-bottom:1rem;font-weight:700}.hero p{font-size:1.2rem;margin-bottom:2.5rem}.cta-buttons .btn{display:inline-block;padding:.8rem 1.6rem;margin:.5rem;border-radius:8px;font-size:1rem;font-weight:700;transition:all .3s}.cta-buttons .btn.primary{background-color:#fff;color:var(--primary-color)}.cta-buttons .btn.primary:hover{background-color:var(--accent-color);color:#fff;transform:translateY(-2px)}.cta-buttons .btn.secondary{background-color:transparent;color:#fff;border:2px solid #fff}.cta-buttons .btn.secondary:hover{background-color:#fff;color:var(--primary-color)}.categories{padding:3rem 1rem;background-color:var(--background-color)}.categories h2{text-align:center;font-size:2.2rem;font-weight:700;margin-bottom:2rem;color:var(--primary-color)}@media screen and (max-width:880px){.hero{padding:5rem 1rem 10rem;border-radius:10px}}.topics-grid{width:100%;max-width:1100px;margin:10px auto;display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));grid-gap:24px;gap:24px;padding:20px 0}@media (min-width:576px){.search-col{margin-top:0}}.exercise-list{display:flex;flex-direction:column;gap:16px}.exercise-card{border-radius:8px;box-shadow:0 2px 8px rgba(0,0,0,.08);transition:transform .2s ease,box-shadow .2s ease}.exercise-card:hover{transform:translateY(-2px);box-shadow:0 4px 12px rgba(0,0,0,.12)}.exercise-title{margin-bottom:16px!important;color:#1890ff}.exercise-description{color:rgba(0,0,0,.65);font-size:16px;margin-bottom:24px}.start-button{display:flex;align-items:center;gap:8px}.section-content{max-width:1000px;width:97%;margin:30px auto}@media (max-width:768px){.section-content{padding:3px}.exercise-title{font-size:20px}.exercise-description{font-size:14px}}.section-title{font-size:1.5rem}.section-title,.site-title{margin:15px 0;color:var(--primary-color)}.site-title{font-size:1.7rem}.blog-post-button-container{width:100%;display:flex;justify-content:center;align-items:center;margin:30px 0}.sponsor-logo{max-height:100px;margin:0 15px}.sponsors{width:100%;display:flex;justify-content:center;align-items:center;flex-wrap:wrap;margin:30px 0}