:root{--primary-blue: #00AEEF;--secondary-blue: #0077B6;--accent-red: #E63946;--text-dark: #1D3557;--text-light: #F1FAEE;--bg-light: #F8F9FA;--white: #FFFFFF;--spacing-xs: .5rem;--spacing-sm: 1rem;--spacing-md: 2rem;--spacing-lg: 4rem;--radius-sm: 4px;--radius-md: 8px;--radius-lg: 16px;--shadow-sm: 0 1px 3px rgba(0,0,0,.12);--shadow-md: 0 4px 6px rgba(0,0,0,.1);--shadow-lg: 0 10px 15px rgba(0,0,0,.1)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,system-ui,-apple-system,sans-serif;background-color:var(--bg-light);color:var(--text-dark);line-height:1.6}a{text-decoration:none;color:inherit}button{cursor:pointer;font-family:inherit}.container{max-width:1200px;margin:0 auto;padding:0 var(--spacing-sm)}h1,h2,h3{line-height:1.2;margin-bottom:var(--spacing-sm)}.btn{display:inline-block;padding:.75rem 1.5rem;border-radius:var(--radius-md);font-weight:600;transition:all .2s;border:none}.btn-primary{background-color:var(--primary-blue);color:var(--white)}.btn-primary:hover{background-color:var(--secondary-blue);transform:translateY(-2px)}.card{background:var(--white);border-radius:var(--radius-md);padding:var(--spacing-md);box-shadow:var(--shadow-md)}@media(max-width:768px){h1{font-size:2.5rem!important}h2{font-size:2rem!important}.container{padding:0 1rem}.mobile-stack{grid-template-columns:1fr!important}.hero-content{padding:1.5rem!important}.hero-buttons{flex-direction:column;width:100%}.hero-buttons .btn,.hero-buttons button{width:100%;justify-content:center}}.grid-responsive{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:2rem}