/* Reset default browser styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* Base Styles (Mobile-First Approach) */
.page {
  display: flex;
  flex-wrap: wrap;
}

.section {
  width: 100%;
  height: 300px;
  display: flex;
  justify-content: center;
  align-items: center;
}

.menu {
  background-color: #5995da;
  height: 80px;
}

.header {
  background-color: #b2d6ff;
  height: auto;
  justify-content: inherit;
  align-items: inherit;
}

.content {
  background-color: #eaedf0;
  height: 600px;
}

.sign-up {
  background-color: #d6e9fe;
}

.feature-1 {
  background-color: #f5cf8e;
}

.feature-2 {
  background-color: #f09a9d;
}

.feature-3 {
  background-color: #c8c6fa;
}

/* Responsive Image Styles */
.illustration {
  width: 100%;
}

.photo img {
  width: 100%;
  display: block;
}

/* Media Queries */

/* Mobile Styles */
@media only screen and (max-width: 400px) {
  body {
    background-color: #f09a9d; /* Red */
  }
}

/* Tablet Styles */
@media only screen and (min-width: 401px) and (max-width: 960px) {
  body {
    background-color: #f5cf8e; /* Yellow */
  }
  .sign-up,
  .feature-1,
  .feature-2,
  .feature-3 {
    width: 50%;
  }
}

/* Desktop Styles */
@media only screen and (min-width: 961px) {
  body {
    background-color: #b2d6ff; /* Blue */
  }
  .page {
    width: 960px;
    margin: 0 auto;
  }
  .feature-1,
  .feature-2,
  .feature-3 {
    width: 33.3%;
  }
  .header {
    height: 400px;
  }
  .sign-up {
    height: 200px;
    order: 1;
  }
  .content {
    order: 2;
  }
}