:root{--primary-blue: #1565C0;--secondary-red: #E53935;--accent-gray: #607D8B;--dark: #263238;--light: #ECEFF1;--white: #FFFFFF;--shadow: 0 2px 5px rgba(0, 0, 0, .1);--transition: all .3s ease;--header-height: 80px;--footer-height: 250px}*{margin:0;padding:0;box-sizing:border-box}html{font-size:16px;scroll-behavior:smooth}body{font-family:Roboto,Arial,sans-serif;line-height:1.6;color:var(--dark);background-color:var(--light)}h1,h2,h3,h4,h5,h6{font-family:Montserrat,Arial,sans-serif}a{color:var(--primary-blue);text-decoration:none;transition:var(--transition)}a:hover{color:var(--secondary-red)}img{max-width:100%;height:auto}.container{width:100%;max-width:1200px;margin:0 auto;padding:0 1rem}main{min-height:calc(100vh - var(--header-height) - var(--footer-height));padding:2rem 0}.btn{display:inline-block;padding:.75rem 1.5rem;border-radius:4px;font-weight:600;text-align:center;cursor:pointer;transition:var(--transition);border:none;text-transform:uppercase;letter-spacing:.5px;box-shadow:0 2px 5px #0000001a}.btn:hover{transform:translateY(-3px);box-shadow:0 4px 8px #0003}.btn-primary{background-color:var(--primary-blue);color:var(--white)}.btn-primary:hover{background-color:#0d47a1;color:var(--white)}.btn-secondary{background-color:var(--secondary-red);color:var(--white)}.btn-secondary:hover{background-color:#c62828;color:var(--white)}.section{padding:4rem 0}.section-title{font-size:2.5rem;margin-bottom:1.5rem;color:var(--primary-blue)}.text-center{text-align:center}@media (max-width: 768px){:root{--header-height: 60px;--footer-height: 400px}html{font-size:14px}.section{padding:2rem 0}.section-title{font-size:2rem}}