:root{--primary: #00d2ff;--secondary: #3a7bd5;--bg-dark: #0a0a0f;--surface: rgba(255, 255, 255, .03);--surface-hover: rgba(255, 255, 255, .08);--text-primary: #ffffff;--text-secondary: #a0a0b0;--accent: #ff0055}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Inter,sans-serif;background-color:var(--bg-dark);color:var(--text-primary);min-height:100vh;overflow-x:hidden;line-height:1.6}h1,h2,h3,h4,h5,h6{font-family:Outfit,sans-serif;font-weight:800;line-height:1.2}.title-gradient{background:linear-gradient(135deg,var(--primary),var(--secondary));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.title-glow{text-shadow:0 0 40px rgba(0,210,255,.4)}.container{max-width:1200px;margin:0 auto;padding:0 2rem}.glass{background:var(--surface);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border:1px solid rgba(255,255,255,.05);border-radius:24px}.navbar{position:fixed;top:0;width:100%;padding:1.5rem 0;z-index:100;transition:all .3s ease}.navbar.scrolled{background:#0a0a0fcc;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);padding:1rem 0;border-bottom:1px solid rgba(255,255,255,.05)}.nav-content{display:flex;justify-content:space-between;align-items:center}.nav-links{display:flex;align-items:center;gap:2rem}.nav-links a{text-decoration:none;color:var(--text-primary);font-weight:500;transition:color .3s}.nav-links a:hover{color:var(--primary)}.logo{font-family:Outfit,sans-serif;font-size:1.8rem;font-weight:800;letter-spacing:-1px;text-decoration:none;color:#fff;display:flex;align-items:center;gap:.5rem}.hero{min-height:100vh;display:flex;align-items:center;position:relative;padding-top:80px}.hero-bg-glow{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:800px;height:800px;background:radial-gradient(circle,#00d2ff26,#0a0a0f00 70%);z-index:-1;pointer-events:none}.hero-content{text-align:center;max-width:900px;margin:0 auto}.hero h1{font-size:5rem;margin-bottom:1.5rem;letter-spacing:-2px}.hero p{font-size:1.25rem;color:var(--text-secondary);margin-bottom:3rem;max-width:600px;margin-left:auto;margin-right:auto}.btn{display:inline-flex;align-items:center;justify-content:center;padding:1rem 2.5rem;border-radius:100px;font-weight:600;font-size:1.1rem;text-decoration:none;transition:all .3s cubic-bezier(.25,.46,.45,.94);cursor:pointer;border:none}.btn-primary{background:linear-gradient(135deg,var(--primary),var(--secondary));color:#fff;box-shadow:0 10px 20px -10px #00d2ff80}.btn-primary:hover{transform:translateY(-3px);box-shadow:0 15px 25px -10px #00d2ff99}.features-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:2rem}.feature-card{text-align:left;transition:transform .4s ease,background .4s ease;position:relative;overflow:hidden;background:var(--surface);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border:1px solid rgba(255,255,255,.05);border-radius:20px;cursor:pointer;display:flex;flex-direction:column}.feature-card:before{content:"";position:absolute;top:0;left:0;width:100%;height:100%;background:radial-gradient(800px circle at var(--mouse-x, 50%) var(--mouse-y, 50%),rgba(255,255,255,.06),transparent 40%);opacity:0;transition:opacity .3s;pointer-events:none}.feature-card:hover:before{opacity:1}.feature-card:hover{transform:translateY(-5px);background:var(--surface-hover);border-color:#00d2ff4d}.card-image-container{width:100%;aspect-ratio:1;background:#fff;display:flex;align-items:center;justify-content:center;overflow:hidden;border-bottom:1px solid rgba(255,255,255,.05)}.exercise-thumbnail{width:100%;height:100%;object-fit:contain;transition:transform .4s ease}.feature-card:hover .exercise-thumbnail{transform:scale(1.05)}.card-content{padding:1.5rem;flex:1;display:flex;flex-direction:column}.exercise-title{font-size:1.2rem;margin-bottom:1rem;color:var(--text-primary);line-height:1.3}.exercise-badges{display:flex;flex-wrap:wrap;gap:.5rem;margin-bottom:1rem}.badge{font-size:.75rem;padding:.25rem .75rem;border-radius:100px;font-weight:600;text-transform:uppercase;letter-spacing:.5px}.badge-primary{background:#00d2ff1a;color:var(--primary);border:1px solid rgba(0,210,255,.2)}.badge-secondary{background:#3a7bd51a;color:var(--secondary);border:1px solid rgba(58,123,213,.2)}.exercise-target{font-size:.9rem;color:var(--text-secondary);margin-top:auto}.filters-container{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1.5rem}.filter-group{display:flex;flex-direction:column;gap:.5rem}.filter-group label{font-size:.85rem;color:var(--text-secondary);font-weight:600;text-transform:uppercase;letter-spacing:1px}.filter-input,.filter-select{background:#0003;border:1px solid rgba(255,255,255,.1);color:#fff;padding:.75rem 1rem;border-radius:8px;font-family:inherit;font-size:1rem;transition:border-color .3s}.filter-input:focus,.filter-select:focus{outline:none;border-color:var(--primary)}.modal-backdrop{position:fixed;top:0;left:0;width:100%;height:100vh;background:#000c;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);z-index:1000;display:flex;align-items:center;justify-content:center;padding:2rem;opacity:1;animation:fadeIn .3s ease}.modal-content{background:var(--bg-dark);border:1px solid rgba(255,255,255,.1);border-radius:24px;width:100%;max-width:900px;max-height:90vh;overflow-y:auto;position:relative;box-shadow:0 25px 50px -12px #00000080;animation:slideUp .4s cubic-bezier(.16,1,.3,1)}.modal-close{position:absolute;top:1.5rem;right:1.5rem;background:#ffffff1a;border:none;color:#fff;width:40px;height:40px;border-radius:50%;font-size:1.5rem;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .3s;z-index:2}.modal-close:hover{background:var(--accent);transform:rotate(90deg)}.modal-header{padding:2.5rem 2.5rem 1.5rem;border-bottom:1px solid rgba(255,255,255,.05)}.modal-title{font-size:2rem;margin-bottom:1rem}.modal-body{display:grid;grid-template-columns:1fr 1fr;gap:2.5rem;padding:2.5rem}.modal-media{background:#fff;border-radius:16px;overflow:hidden;display:flex;align-items:center;justify-content:center;aspect-ratio:1}.exercise-gif{width:100%;height:100%;object-fit:contain}.modal-info{display:flex;flex-direction:column;gap:2rem}.info-group h4{font-size:.9rem;color:var(--text-secondary);text-transform:uppercase;letter-spacing:1px;margin-bottom:.75rem}.highlight-text{font-size:1.5rem;font-weight:700;color:var(--primary);text-transform:capitalize}.muscle-tags{display:flex;flex-wrap:wrap;gap:.5rem}.muscle-tag{background:#ffffff0d;padding:.4rem 1rem;border-radius:8px;font-size:.9rem;text-transform:capitalize}.instructions-list{padding-left:1.2rem;color:var(--text-primary)}.instructions-list li{margin-bottom:.75rem}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(40px) scale(.95)}to{opacity:1;transform:translateY(0) scale(1)}}@media (max-width: 768px){.hero h1{font-size:3rem}.modal-body{grid-template-columns:1fr}}.sidebar-backdrop{position:fixed;top:0;left:0;width:100vw;height:100vh;background:#00000080;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:1000}.sidebar{position:fixed;top:0;right:-400px;width:400px;height:100vh;background:var(--bg-dark);border-left:1px solid rgba(255,255,255,.1);box-shadow:-10px 0 30px #00000080;z-index:1001;transition:right .3s cubic-bezier(.16,1,.3,1);display:flex;flex-direction:column}.sidebar.open{right:0}.sidebar-header{padding:1.5rem;border-bottom:1px solid rgba(255,255,255,.05);display:flex;justify-content:space-between;align-items:center}.sidebar-header h2{font-size:1.5rem}.sidebar-close{background:transparent;border:none;color:#fff;font-size:2rem;cursor:pointer}.sidebar-content{flex:1;overflow-y:auto;padding:1.5rem}.empty-state{text-align:center;color:var(--text-secondary);margin-top:2rem}.plan-item{display:flex;gap:1rem;background:var(--surface);padding:1rem;border-radius:12px;margin-bottom:1rem;border:1px solid rgba(255,255,255,.05)}.plan-item-img{width:80px;height:80px;background:#fff;border-radius:8px;overflow:hidden;display:flex;align-items:center;justify-content:center}.plan-item-img img{width:100%;height:100%;object-fit:contain}.plan-item-details{flex:1;display:flex;flex-direction:column}.plan-item-title{font-size:1rem;margin-bottom:.5rem}.plan-item-controls{display:flex;gap:.5rem;align-items:center}.input-group{display:flex;flex-direction:column}.input-group label{font-size:.7rem;color:var(--text-secondary);text-transform:uppercase}.input-group input{width:50px;background:#0003;border:1px solid rgba(255,255,255,.1);color:#fff;padding:.25rem;border-radius:4px;text-align:center}.btn-remove{background:transparent;border:none;cursor:pointer;margin-left:auto;font-size:1.2rem;padding:.2rem}.sidebar-footer{padding:1.5rem;border-top:1px solid rgba(255,255,255,.05)}.btn-fab-nav{background:linear-gradient(135deg,var(--primary),var(--secondary));border:none;color:#fff;padding:.5rem 1.5rem;border-radius:100px;font-weight:600;cursor:pointer;display:flex;align-items:center;gap:.5rem;position:relative}.fab-badge{background:var(--accent);color:#fff;border-radius:50%;width:20px;height:20px;font-size:.75rem;display:flex;align-items:center;justify-content:center;position:absolute;top:-5px;right:-5px}.btn-add-routine{background:#ffffff1a;border:1px solid rgba(255,255,255,.2);color:#fff;width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .2s}.btn-add-routine:hover{background:var(--primary);border-color:var(--primary);transform:scale(1.1)}@media (max-width: 768px){.sidebar{width:100%;right:-100%}.container{padding:0 1rem}.hero h1{font-size:2.5rem}.hero p{font-size:1.1rem}.mobile-menu-btn{display:flex;flex-direction:column;justify-content:space-around;width:30px;height:24px;background:transparent;border:none;cursor:pointer;z-index:101}.hamburger-line{width:30px;height:3px;background:#fff;border-radius:10px;transition:all .3s linear;transform-origin:1px}.hamburger-line.open:nth-child(1){transform:rotate(45deg)}.hamburger-line.open:nth-child(2){opacity:0}.hamburger-line.open:nth-child(3){transform:rotate(-45deg)}.nav-links{position:fixed;top:0;right:-100%;width:70%;height:100vh;background:var(--bg-dark);flex-direction:column;justify-content:center;align-items:center;transition:right .3s ease-in-out;border-left:1px solid rgba(255,255,255,.05);z-index:100}.nav-links.mobile-active{right:0;box-shadow:-10px 0 30px #000c}}@media (min-width: 769px){.mobile-menu-btn{display:none}}@keyframes pulse-neon{0%{opacity:.5;box-shadow:0 0 5px #00d2ff00}50%{opacity:.8;box-shadow:0 0 15px #00d2ff66}to{opacity:.5;box-shadow:0 0 5px #00d2ff00}}.skeleton-card{animation:pulse-neon 2s cubic-bezier(.4,0,.6,1) infinite;border:1px solid rgba(0,210,255,.2)}.skeleton-text{height:1rem;background:#ffffff1a;border-radius:4px;margin-bottom:.75rem;width:100%}.skeleton-text.short{width:60%}.skeleton-title{height:1.5rem;background:#00d2ff33;border-radius:6px;margin-bottom:1.5rem;width:80%}.skeleton-button{height:2.5rem;background:#ffffff1a;border-radius:100px;margin-top:1.5rem;width:100%}.newsletter-card{position:relative;overflow:hidden;padding:3rem 2.5rem;border-radius:24px;text-align:center;max-width:800px;margin:0 auto;border:1px solid rgba(255,255,255,.1);box-shadow:0 20px 40px #0000004d}.newsletter-glow{position:absolute;top:-50%;left:-50%;width:200%;height:200%;background:radial-gradient(circle,rgba(0,210,255,.08) 0%,rgba(144,0,255,.05) 50%,transparent 100%);pointer-events:none;z-index:0;animation:pulse-neon 4s ease-in-out infinite}.newsletter-content{position:relative;z-index:1;display:flex;flex-direction:column;align-items:center;gap:1rem}.newsletter-icon{background:#ffffff08;padding:1.25rem;border-radius:50%;border:1px solid rgba(255,255,255,.05);margin-bottom:.5rem;display:flex;align-items:center;justify-content:center}.newsletter-title{font-size:2rem;font-weight:750;letter-spacing:-.5px;background:linear-gradient(135deg,#fff 30%,#ffffffb3);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.newsletter-description{color:var(--text-secondary);font-size:1.05rem;line-height:1.6;max-width:600px;margin-bottom:1.5rem}.newsletter-form{display:flex;flex-direction:column;gap:1rem;width:100%;max-width:450px}.newsletter-input-group{width:100%}.newsletter-input{width:100%;background:#00000059;border:1px solid rgba(255,255,255,.1);color:#fff;padding:1rem 1.25rem;border-radius:12px;font-family:inherit;font-size:1rem;transition:all .3s cubic-bezier(.16,1,.3,1);box-sizing:border-box}.newsletter-input:focus{outline:none;border-color:var(--primary);background:#00000080;box-shadow:0 0 0 3px #00d2ff26}.btn-newsletter-submit{width:100%;padding:1rem;border-radius:12px;font-weight:700;font-size:1rem;display:flex;align-items:center;justify-content:center;gap:.5rem;transition:all .3s cubic-bezier(.16,1,.3,1)}.btn-newsletter-submit:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 8px 20px #00d2ff4d}.btn-newsletter-submit:active:not(:disabled){transform:translateY(0)}.newsletter-success-box{background:#10b98114;border:1px solid rgba(16,185,129,.2);padding:2rem;border-radius:16px;color:#a7f3d0;max-width:500px;display:flex;flex-direction:column;align-items:center;gap:1rem;animation:fadeIn .4s ease}.newsletter-success-box p{margin:0;line-height:1.5;font-size:1rem}.success-icon{display:flex;align-items:center;justify-content:center;background:#10b98126;padding:.75rem;border-radius:50%}.newsletter-error-box{background:#ef444414;border:1px solid rgba(239,68,68,.2);padding:1rem;border-radius:12px;color:#fca5a5;font-size:.95rem;animation:fadeIn .3s ease;margin-top:.5rem}.newsletter-error-box p{margin:0}.spinner{width:20px;height:20px;border:2px solid rgba(255,255,255,.3);border-radius:50%;border-top-color:#fff;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}@media (max-width: 576px){.newsletter-card{padding:2rem 1.5rem}.newsletter-title{font-size:1.6rem}}