.btn{height:40px;padding:0 16px;display:inline-flex;align-items:center;justify-content:center;border-radius:var(--radius-base);transition:background var(--transition-fast),transform var(--transition-fast);font-weight:600}.btn-primary{background:var(--color-primary);color:var(--color-on-primary);border:1px solid transparent;box-shadow:var(--shadow-card)}.btn-primary:hover{background:var(--color-primary-600);transform:translateY(-1px)}.btn-secondary{background:var(--color-bg);color:var(--color-primary);border:1px solid var(--color-border)}:root{--color-primary:#1F2248;--color-primary-600:#2B2F58;--color-on-primary:#FFFFFF;--color-accent:#2EA8F2;--color-muted:#78738C;--color-border:#D6D9E6;--color-surface:#F7F9FC;--color-bg:#FFFFFF;--radius-base:8px;--shadow-card:0 6px 18px rgba(31,34,72,0.06);--transition-fast:180ms cubic-bezier(.2,.8,.2,1)}.text-brand{color:var(--color-primary)}.text-muted-brand{color:var(--color-muted)}.bg-brand{background:var(--color-primary)}.bg-surface{background:var(--color-surface)}.bg-app{background:var(--color-bg)}.border-brand{border-color:var(--color-border)}.card{background:var(--color-bg);box-shadow:var(--shadow-card)}.card,.section{border:1px solid var(--color-border);border-radius:var(--radius-base)}.section{background:var(--color-surface)}.page{max-width:80rem;margin-left:auto;margin-right:auto;padding:1.5rem}.heading-primary{font-weight:700;font-size:1.5rem;line-height:2rem;color:var(--color-primary)}.desc-muted{font-size:.95rem;color:var(--color-muted)}