.hero-section h1{font-size:4.8rem;font-weight:700;color:#fff;margin-bottom:25px;line-height:1.05;letter-spacing:-.04em;text-shadow:0 5px 15px rgba(0,0,0,.4)}@media (max-width:1024px){.hero-section h1{font-size:3.8rem}}@media (max-width:768px){.hero-section h1{font-size:2.8rem;margin-bottom:20px}.whatsapp-button{width:50px;height:50px}}@media (max-width:480px){.hero-section h1{font-size:2.2rem}}