:root{--primary-color: #ff5b00;--primary-dark: #d95700;--primary-light: #ff9a4d;--page-background: #f7f8fa;--section-background: #ffffff;--card-background: #ffffff;--text-primary: #15191e;--text-secondary: #626b75;--border-color: rgba(17, 24, 39, .1);--navbar-background: rgba(255, 255, 255, .9);--soft-background: #eef1f4;--card-shadow: 20px 50px rgba(15, 23, 42, .1);--card-shadow-hover: 30px 70px rgba(15, 23, 42, .18)}body.dark-theme{--page-background: #0c1015;--section-background: #111820;--card-background: #161c24;--text-primary: #f4f7fa;--text-secondary: #aab4bf;--border-color: rgba(255, 255, 255, .1);--navbar-background: rgba(12, 16, 21, .9);--soft-background: #10161d;--card-shadow: 20px 50px rgba(0, 0, 0, .3);--card-shadow-hover: 30px 80px rgba(0, 0, 0, .5)}*,*:before,*:after{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Segoe UI,Arial,sans-serif;color:var(--text-primary);background-color:var(--page-background);transition:background-color .35s ease,color .35s ease}button,input,textarea,select{font-family:inherit}button,a{cursor:pointer}a{text-decoration:none;color:inherit}img{display:block;max-width:100%;height:auto}