.ir-btn{display:inline-flex;align-items:center;gap:6px;font-family:var(--font-body);font-weight:700;text-decoration:none;border-radius:var(--radius-md);transition:background var(--transition-fast),color var(--transition-fast),box-shadow var(--transition-fast),transform var(--transition-fast);cursor:pointer;white-space:nowrap;border:2px solid transparent}.ir-btn--lg{font-size:var(--text-base);padding:14px 28px}.ir-btn--sm{font-size:var(--text-sm);padding:9px 18px}.ir-btn--primary{background:var(--color-primary);color:#fff;border-color:var(--color-primary)}.ir-btn--primary:hover{background:var(--color-primary-dark);border-color:var(--color-primary-dark);box-shadow:var(--shadow-sm);transform:translateY(-1px)}.ir-btn--secondary{background:transparent;color:var(--color-primary);border-color:var(--color-primary)}.ir-btn--secondary:hover{background:var(--color-primary);color:#fff}.ir-btn--outline-white{background:transparent;color:#fff;border-color:rgba(255,255,255,0.60)}.ir-btn--outline-white:hover{background:rgba(255,255,255,0.12);border-color:#fff}.ir-btn--white{background:#fff;color:var(--color-dark);border-color:#fff}.ir-btn--white:hover{background:#F3F4F6;border-color:#F3F4F6;color:var(--color-dark)}