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auto}.science-card{background:#fff;padding:2.2rem}.science-card-image{width:100%;aspect-ratio:4/3;object-fit:cover;margin-bottom:20px}.science-card-title{font-size:2.2rem;font-weight:800;text-transform:uppercase;margin-bottom:20px;text-align:center}.science-card-text{font-size:1.4rem;color:#333;line-height:1.7;text-align:center;margin-bottom:20px;font-weight:300}@media(max-width:1024px){.nav{display:none}.hamburger{display:flex}.tabs{gap:30px}.expect-items{gap:40px;flex-direction:column}.expect-item{max-width:400px;margin:0 auto}.science-cards{grid-template-columns:repeat(2,1fr)}}@media(max-width:768px){.header{padding:15px 20px}.signature-section{padding:50px 20px}.section-title{font-size:2.6rem;margin-bottom:30px}.tabs{flex-direction:row;gap:0;flex-wrap:nowrap;white-space:nowrap;overflow-x:auto;overflow-y:hidden;margin-bottom:30px}.tab{font-size:1.5rem;padding:15px 24px}.video-container{margin-bottom:40px}.video-title{font-size:24px;letter-spacing:4px}.play-button{width:60px;height:60px}.workout-name{font-size:3rem;margin-bottom:35px}.workout-description{font-size:1.6rem;padding:0 10px}.expect-items{flex-direction:column;gap:30px}.expect-item{max-width:280px}.science-section{padding:50px 20px}.science-title{font-size:18px}.science-subtitle{font-size:13px}.science-cards{grid-template-columns:1fr;gap:40px}}.tab-content{display:none;opacity:0;transform:translateY(20px);transition:opacity .4s ease,transform .4s ease}.tab-content.active{display:block;opacity:1;transform:translateY(0);animation:fadeInUp .5s ease forwards}@keyframes fadeInUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.video-modal{position:fixed;inset:0;background:#000000e6;z-index:1000;display:flex;align-items:center;justify-content:center;opacity:0;visibility:hidden;transition:all .3s ease}.video-modal.active{opacity:1;visibility:visible}.video-modal-content{position:relative;width:90%;max-width:900px;aspect-ratio:16/9}.video-modal-content iframe{width:100%;height:100%;border:none}.video-modal-close{position:absolute;top:-40px;right:0;width:30px;height:30px;cursor:pointer;z-index:1001}.video-modal-close:before,.video-modal-close:after{content:"";position:absolute;top:50%;left:0;width:100%;height:2px;background:#fff}.video-modal-close:before{transform:rotate(45deg)}.video-modal-close:after{transform:rotate(-45deg)}.tabs,.tab{position:relative}.tab:after{content:"";position:absolute;bottom:0;left:0;width:0;height:3px;background:#425ba0;transition:width .3s ease}.tab.active:after{width:100%}.tab:hover:after{width:100%}