.section-header{text-align:center;margin-bottom:60px}.section-title{font-size:2.5rem;font-weight:700;color:#1e293b;margin-bottom:15px;position:relative;display:inline-block}.section-title:after{content:"";position:absolute;bottom:-10px;left:50%;transform:translateX(-50%);width:80px;height:4px;background:linear-gradient(90deg,#3b82f6,#6366f1);border-radius:2px}.section-subtitle{font-size:1.1rem;color:#64748b;max-width:700px;margin:0 auto;line-height:1.6}.dot{width:10px;height:10px;border-radius:50%;background:#cbd5e1;margin:0 5px;cursor:pointer;transition:all .3s ease}.dot.active{background:#3b82f6;transform:scale(1.2)}@media (min-width:768px){.section-title{font-size:2.8rem}}@media (min-width:1024px){.section-header{margin-bottom:80px}}