.hero-bg{background:linear-gradient(rgba(0,0,0,.7),rgba(0,0,0,.7)),url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="" height="" viewBox="0 0 1200 600"><path d="M0,400 Q300,300 600,400 T1200,400 V600 H0 Z" fill="%23fbbf24"/></svg>');background-color:var(--primary);background-size:cover;background-position:50%}.battery-card{transition:all .3s ease}.battery-card:hover{transform:translateY(-10px);box-shadow:0 20px 25px -5px rgba(0,0,0,.1),0 10px 10px -5px rgba(0,0,0,.04)}.service-card{transition:all .3s ease}.service-card:hover{transform:scale(1.03)}.testimonial-card{transition:all .3s ease}.testimonial-card:hover{transform:translateY(-5px)}.nav-link{position:relative}.nav-link:after{content:"";position:absolute;width:0;height:2px;bottom:-2px;left:0;background-color:var(--accent);transition:width .3s ease}.nav-link:hover:after{width:100%}.battery-animation{animation:charge 2s infinite}@keyframes charge{0%{width:30%}50%{width:100%}to{width:30%}}@media screen and (max-width:840px){.custom-hidden{display:none}}@media screen and (min-width:841px){.custom-hidden-mobile{display:none}}