.course-wrapper{background-color:var(--accent-sienna);color:#fff}.section-padding{padding:80px 0}.section-title{letter-spacing:-.02em;margin-bottom:24px;font-size:clamp(2rem,3.5vw,2.5rem);font-weight:900}@media (max-width:768px){.section-padding{padding:40px 16px}.section-title{font-size:1.8rem}}.perspective-1000{perspective:1000px}.transform-style-3d{transform-style:preserve-3d}.backface-hidden{backface-visibility:hidden}.rotate-y-180{transform:rotateY(180deg)}