.skill-card{background:var(--card-bg);border:1px solid var(--card-border);backdrop-filter:blur(10px);border-radius:1rem;box-shadow:0 8px 32px var(--shadow-color);position:relative;overflow:hidden}.language-content,.skill-card{transition:all .3s cubic-bezier(.4,0,.2,1)}.language-content.transitioning{opacity:0;transform:translateY(10px)}.language-content.entering{opacity:1;transform:translateY(0)}.section-transition{animation:fadeInUp .6s ease-out forwards}@keyframes fadeInUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}.text-transition{animation:textSlide .3s ease-in-out}@keyframes textSlide{0%{opacity:1;transform:translateX(0)}50%{opacity:0;transform:translateX(-20px)}to{opacity:1;transform:translateX(0)}}.stagger-animation{animation:staggerFadeIn .5s ease-out forwards}@keyframes staggerFadeIn{0%{opacity:0;transform:translateY(20px) scale(.95)}to{opacity:1;transform:translateY(0) scale(1)}}.language-button{position:relative;overflow:hidden;transition:all .3s cubic-bezier(.4,0,.2,1)}.language-button:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.2),transparent);transition:left .5s ease}.language-button:hover:before{left:100%}.language-button.active{transform:scale(1.05);box-shadow:0 4px 15px rgba(var(--accent-primary-rgb),.3)}.skill-card:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.1),transparent);transition:left .5s}.skill-card:hover:before{left:100%}.skill-card:hover{transform:translateY(-4px) scale(1.02);box-shadow:0 20px 50px var(--shadow-color)}.skill-icon-container{transition:all .3s cubic-bezier(.4,0,.2,1)}.skill-card:hover .skill-icon-container{transform:scale(1.1) rotate(5deg)}.tech-tag{transition:all .2s ease;position:relative;overflow:hidden}.tech-tag:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(37,99,235,.1),transparent);transition:left .3s}.tech-tag:hover:before{left:100%}.tech-tag:hover{transform:translateY(-1px);box-shadow:0 4px 12px rgba(37,99,235,.2)}