* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  line-height: 1.6;
  font-family: Arial, Helvetica, sans-serif;
  background-color: #000;
  color: #fff;
}
h1 {
  font-size: 2rem;
}
p,
li {
  opacity: 0.8;
}
img {
  width: 100%;
  height: 100%;
}
a {
  text-decoration: none;
}
.container {
  width: 80%;
  margin: 2rem auto;
}

/* section a */
.section-a {
  display: grid;
  grid-template-columns: 1fr 2fr;
  justify-content: center;
  align-items: center;
}
.section-a img {
  border-radius: 50%;
}

.section-a .inner-text {
  margin-left: 3rem;
  max-width: 600px;
}
.section-a .inner-text p {
  font-size: 1.1rem;
  margin-bottom: 1rem;
}

.section-b {
  padding: 3rem 0;
}
.section-b .links {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.section-a .inner-text a,
.section-b .links a {
  color: #333;
  opacity: 0.8;
  font-size: 1.2rem;
  font-weight: 600;
  transition: color 300ms ease-in;
}

.section-b .links a:hover,
.section-a .inner-text a:hover {
  color: dodgerblue;
}

.section-b .skills {
  margin-top: 2rem;
}

.section-b .skills ul,
.section-c .inner {
  padding: 2rem 0 2rem;
  list-style: none;
  font-size: 1.2rem;
}
.section-b i {
  color: green;
}
.section-c h1,
.section-d h1 {
  border-bottom: 2px #333 solid;
}
.section-c .inner {
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(3, 1fr);
}
.section-c h3 {
  padding: 2rem 1rem 1rem;
}

.section-d {
  padding-top: 2rem;
}
.section-d .projects {
  line-height: 2;
  padding-top: 1rem;
}

/* media queries */
@media (max-width: 700px) {
  .section-a {
    grid-template-columns: 1fr;
  }
  .section-a h1 {
    font-size: 1.6rem;
  }
  .section-a .image {
    display: flex;
    align-items: center;
    justify-content: center;
  }
  .section-a img {
    height: 65%;
    width: 65%;
  }
  .section-c .inner {
    grid-template-columns: 1fr;
  }
}
@media (max-width: 500px) {
  .section-b .links {
    display: grid;
    justify-content: center;
    align-items: center;
  }
}