@font-face {
  font-family: 'Segoe UI Semibold';
  src: local('Segoe UI Semibold'), local('Segoe UI');
  font-weight: 600;
}
@font-face {
  font-family: 'Segoe UI Semilight';
  src: local('Segoe UI Semilight'), local('Segoe UI');
  font-weight: 300;
}
:root{--copper:#B87333;--bg:#121212;--card:#1A1A1A;}
html,body{height:100%;}
body{background-color:var(--bg);color:#fff;font-family:'Segoe UI Semilight',system-ui,-apple-system,sans-serif;margin:0;scroll-behavior:smooth;-webkit-font-smoothing:antialiased;}
h1,h2,h3,h4,.heading-font{font-family:'Segoe UI Semibold',system-ui,-apple-system,sans-serif;letter-spacing:-0.02em;}
.copper-text{color:var(--copper);} .charcoal-bg{background-color:var(--bg);} .charcoal-card{background-color:var(--card);} 
::selection{background-color:rgba(184,115,51,.3);color:white;}