the problem is that we always overfocus on making designers; that doesn't help but the clients overfocus on details so details and simplicity maters... alot more
The customer is not impressed with your work, Its value for money.. so do a nice job that impresses the customer
Figma
If you want just geometrical shapes use online draw.io
Photopea
yes , you can look at canva and figma
hello can we be friends ,contact me on my email have something to tell youjalazachairah@gmail.com
Please be my trainer and mentor
Illustrator because all softwares come in the form of illustrator. The mother of all
Both Photoshop and Illustrator
yes you do need them alot
You could use one of the standard free themes, or buy one. No need for a web designer.