:root{--color-bg: #f0f0f0;--color-text: #111;--color-primary: #D32F2F;--color-accent: #FFC107;--color-border: #000000;--color-surface: #ffffff;--font-main: "Helvetica Neue", Helvetica, Arial, sans-serif;--font-mono: "Courier New", Courier, monospace;--spacing-unit: 1rem}*{box-sizing:border-box}body{margin:0;padding:0;background-color:var(--color-bg);color:var(--color-text);font-family:var(--font-main);-webkit-font-smoothing:antialiased}h1,h2,h3,h4,h5,h6{font-weight:700;text-transform:uppercase;margin:0;line-height:1.1;letter-spacing:-.02em}h1{font-size:3.5rem}h2{font-size:2.5rem}h3{font-size:1.75rem}a{text-decoration:none;color:inherit}ul{list-style:none;padding:0;margin:0}.brutal-border{border:3px solid var(--color-border);box-shadow:4px 4px 0 var(--color-border);background:var(--color-surface)}.brutal-border-bottom{border-bottom:3px solid var(--color-border)}.brutal-border-right{border-right:3px solid var(--color-border)}.container{max-width:1440px;margin:0 auto;padding:0 var(--spacing-unit);border-left:3px solid var(--color-border);border-right:3px solid var(--color-border);background:var(--color-surface)}.btn{display:inline-flex;align-items:center;justify-content:center;padding:1rem 2rem;font-family:var(--font-mono);font-weight:700;text-transform:uppercase;border:3px solid var(--color-border);cursor:pointer;transition:all .2s;box-shadow:4px 4px 0 var(--color-border)}.btn:active{transform:translate(2px,2px);box-shadow:2px 2px 0 var(--color-border)}.app{display:flex;flex-direction:column;min-height:100vh}main{flex:1}.grid-cols-2{display:grid;grid-template-columns:1fr}@media(min-width:768px){.grid-cols-2{grid-template-columns:1fr 1fr}}.btn{display:inline-flex;align-items:center;justify-content:center;padding:1rem 2rem;font-family:var(--font-mono);font-weight:700;text-transform:uppercase;border:2px solid var(--color-border);cursor:pointer;transition:all .2s}.btn-primary{background-color:var(--color-border);color:var(--color-surface)}.btn-primary:hover{background-color:var(--color-primary);border-color:var(--color-primary)}.btn-accent{background-color:var(--color-accent);color:var(--color-text)}.btn-accent:hover{background-color:#e6b800}.technical-text{font-family:var(--font-mono);font-size:.875rem;letter-spacing:.05em}