:root{--color-primary: #4da5f4;--color-primary-dark: #2b8de0;--color-text: #2c3e50;--color-muted: #6b7c8d;--color-bg: #ffffff;--color-bg-alt: #f5f9fc;--color-border: #e3e9ef;--max-width: 1140px;--radius: 10px;--shadow: 0 6px 24px rgba(0, 0, 0, .08)}*{box-sizing:border-box}html,body{margin:0;padding:0}body{font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;color:var(--color-text);background:var(--color-bg);line-height:1.6;-webkit-font-smoothing:antialiased}a{color:var(--color-primary);text-decoration:none}a:hover{text-decoration:underline}h1,h2,h3{line-height:1.2;color:var(--color-text)}.container{width:100%;max-width:var(--max-width);margin:0 auto;padding:0 1.25rem}.btn{display:inline-block;padding:.7rem 1.5rem;border-radius:var(--radius);font-weight:600;font-size:1rem;cursor:pointer;border:2px solid transparent;transition:background .15s ease,color .15s ease,border-color .15s ease;white-space:nowrap}.btn:hover{text-decoration:none}.btn-primary{background:var(--color-primary);color:#fff}.btn-primary:hover{background:var(--color-primary-dark);color:#fff}.btn-outline{border-color:var(--color-primary);color:var(--color-primary);background:transparent}.btn-outline:hover{background:var(--color-primary);color:#fff}