:root{--brand: #0b62a8;--brand-dark: #084b81;--text: #16212b;--text-muted: #5a6b7b;--line: #dde4ea;--surface-alt: #f3f6f9;--shell-width: 68rem;--surface: #ffffff;--primary: var(--brand);--ink-soft: #475569;--error: #b91c1c;--radius: 8px;--space-6: 24px}*{box-sizing:border-box}html,body{margin:0;padding:0}body{font-family:Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;font-size:16px;line-height:1.55;color:var(--text);background:#fff;-webkit-font-smoothing:antialiased}a{color:var(--brand)}.shell{max-width:var(--shell-width);margin:0 auto}.btn{display:inline-flex;align-items:center;justify-content:center;padding:.7rem 1.4rem;border:1px solid transparent;border-radius:8px;font-size:1rem;font-weight:600;text-decoration:none;cursor:pointer;transition:background-color .15s ease,border-color .15s ease}.btn-primary{background:var(--brand);color:#fff}.btn-primary:hover{background:var(--brand-dark)}.btn-ghost{background:#fff;border-color:var(--line);color:var(--text)}.btn-ghost:hover{border-color:var(--brand);color:var(--brand)}