.course-intro{color:#fff;overflow:hidden;padding:4rem 0;position:relative}.course-intro .container{margin:0 auto;max-width:1200px;padding:0 20px}.course-intro .content-wrapper{align-items:center;display:flex;gap:20px}.course-intro .content{flex:1;position:relative;z-index:1}.course-intro .conten{font-size:1.1rem;line-height:1.6;margin-bottom:2rem;max-width:600px}.feature-icon svg{fill:inherit!important}.features{display:grid;gap:1rem;margin-bottom:2.5rem}.feature-item{align-items:center;display:flex;font-weight:500;gap:10px}.feature-item svg{height:20px;width:20px;fill:#fff;position:relative;top:1px}.feature-icon{color:#4caf50;font-size:1.2rem}.course-intro .cta-button{border:none;cursor:pointer;display:inline-flex;flex-direction:column;padding-left:30px;padding-right:30px;position:relative;transition:all .3s ease}.cta-text{letter-spacing:1px}.cta-subtext{font-size:.8rem;margin-top:4px;opacity:.9}.book-cover{border-radius:10px;box-shadow:0 15px 30px hsla(0,0%,100%,.2);flex:0 0 520px;overflow:hidden;position:relative;transition:transform .3s ease}.book-cover:hover{transform:rotate(3deg) scale(1.05)}.book-cover img{display:block;height:auto;width:100%}section.course-intro.left .content-wrapper{flex-direction:row-reverse}.course-intro.left .content{padding-left:20px}@media (max-width:768px){.content-wrapper,section.course-intro.left .content-wrapper{flex-direction:column}.course-intro.left .content{padding-left:0}.book-cover{flex:none;max-width:300px;width:100%}}@keyframes fadeInUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}