* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Gill Sans", "Gill Sans MT", Calibri, "Trebuchet MS", sans-serif;
}

html {
  scroll-behavior: smooth;
}

body {
  background-color: #000;
  color: #fff;
}

header {
  width: 100%;
  height: 100vh;
  background-image: url(images/IMG_0156-fotor-bg-remover-2024021015541.png);
  background-position: right bottom;
  background-repeat: no-repeat;
  background-size: contain;
  background-attachment: fixed;
}

nav {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  flex-wrap: wrap;
  margin: 10px;
}

nav .fa-solid {
  display: none;
}

#title {
  font-size: 60px;
  margin-left: 50px;
  font-weight: 900;
  letter-spacing: 5px;
}

#title a {
  text-decoration: none;
  color: white;
}

.color-red {
  color: red;
}

#nav-list li {
  display: inline-block;
  list-style-type: none;
  margin: 10px 30px;
  font-size: 20px;
}

#nav-list li a {
  text-decoration: none;
  color: #fff;
  position: relative;
}

#nav-list li a::after {
  content: "";
  width: 0;
  height: 3px;
  position: absolute;
  left: 0;
  top: 20px;
  background: red;
  transition: 0.5s;
}

#nav-list li a:hover::after {
  width: 100%;
}

#introduction {
  margin: 15%;
  font-size: 70px;
  font-weight: 800;
}

#about {
  padding: 80px 10%;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
}

#about-image {
  width: 300px;
  height: max-content;
  border-radius: 50%;
  flex-basis: 35%;
}

#about-info {
  flex-basis: 60%;
}

.about-title {
  font-size: 70px;
}

.about-description {
  font-size: 25px;
  margin: 20px auto auto auto;
}

#tabs-titles button {
  background-color: #000;
  color: #fff;
  border: none;
  margin: 40px;
  position: relative;
  cursor: pointer;
  font-size: 20px;
  font-weight: 600;
}

#tabs-titles button::after {
  content: "";
  width: 0;
  height: 3px;
  position: absolute;
  left: 0;
  top: 23px;
  background: red;
  transition: 0.5s;
}

#tabs-titles button:hover::after {
  width: 100%;
}

#tabs-titles button.active::after {
  width: 100%;
}

#skills ul li,
#education ul li {
  font-size: 20px;
  margin-bottom: 20px;
  cursor: default;
  list-style-type: none;
  margin-left: 15px;
}

#skills ul li {
  list-style-type: decimal;
}

#skills ul li:hover::after {
  content: "Intermediate";
  color: red;
  margin-left: 30px;
}

#education {
  display: none;
}

#skills p,
#education p {
  margin-top: 3px;
}

#services {
  padding: 30px 10%;
}

.services-title {
  margin-bottom: 30px;
  font-size: 70px;
  text-align: center;
  margin-bottom: 1em;
}

.services-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  grid-gap: 30px;
  margin-bottom: 2.5em;
}

.services-list div {
  background-color: #262626;
  padding: 40px;
  font-size: 13px;
  font-weight: 300;
  border-radius: 10px;
  transition: background-color 0.5s, transform 0.5s;
}

.services-list div:hover {
  background-color: blue;
  transform: translateY(-10px);
}

.services-list i {
  font-size: 40px;
  margin-bottom: 20px;
}

.services-list h2 {
  font-size: 40px;
  margin-bottom: 20px;
}

.services-list p {
  font-size: 20px;
}

#projects {
  padding: 30px 10%;
}

.projects-title {
  margin-bottom: 80px;
  font-size: 70px;
  text-align: center;
}

.projects-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  grid-gap: 30px;
}

.project {
  overflow: hidden;
  position: relative;
}

.layer {
  width: 100%;
  height: 0;
  border-radius: 5%;
  position: absolute;
  left: 0;
  bottom: 0;
  overflow: hidden;
  display: flex;
  justify-content: center;
  flex-direction: column;
  padding: 0 40px;
  text-align: center;
  background: linear-gradient(rgba(0, 0, 0, 0.6), #262626);
  transition: height 0.5s;
}

.layer p {
  margin: 25px 0 40px 0;
}

.layer a {
  background-color: aliceblue;
  border-radius: 100%;
  width: 10%;
  margin-left: 14em;
  padding: 10px;
}

.project:hover .layer {
  height: 100%;
}

.project img {
  width: 100%;
  height: 100%;
  border-radius: 5%;
  display: block;
}

.git-button {
  font-size: 20px;
  text-align: center;
  text-decoration: none;
  margin: 70px 0 100px 0;
}

.git-button a {
  border: 2px solid darkslategray;
  padding: 10px;
  text-decoration: none;
  color: white;
}

.git-button a:hover {
  background-color: darkslategray;
}

.contact-title {
  font-size: 70px;
  text-align: center;
  margin-bottom: 60px;
}

.questions {
  text-align: center;
  font-size: 25px;
  color: orange;
}

#contact-info {
  display: flex;
  flex-direction: row;
  margin-top: 2em;
  padding: 5em 10em;
}

.contact-data {
  display: flex;
  flex-direction: column;
  text-align: center;
  margin-right: 11em;
}

.contact-data i {
  color: red;
  font-size: 30px;
  margin-bottom: 20px;
  text-align: center;
}

.bt1 {
  text-decoration: none;
  color: white;
  font-size: 20px;
  width: 100px;
}

.bt1:hover {
  color: red;
}

.bt {
  text-decoration: none;
  color: white;
  padding: 20px 60px;
  background-color: red;
  border-radius: 5px;
  font-size: 20px;
}

.cv {
  margin-top: 20px;
}

footer {
  text-align: center;
  margin: 40px 20px 20px;
  font-size: 20px;
}

.reserved {
  margin-left: 5px;
}

@media screen and (max-width: 768px) {
  header {
    background-image: url("images/IMG_0156-fotor-bg-remover-2024021015541-cropped.png");
    background-position: right;
    background-size: auto;
  }

  #title {
    margin-left: 20px;
    font-size: 40px;
  }

  #introduction {
    margin-top: 11em;
    margin-left: 0.7em;
    font-size: 25px;
  }

  nav .fa-solid {
    display: block;
  }

  .fa-bars {
    position: relative;
    top: 15px;
    right: 10px;
  }

  nav ul .fa-solid {
    position: absolute;
    top: 25px;
    left: 25px;
    cursor: pointer;
  }

  nav ul {
    background: red;
    position: fixed;
    top: 0;
    right: 0;
    width: 140px;
    height: 100%;
    padding-top: 50px;
    z-index: 1000;
    display: none;
  }

  nav ul li {
    position: relative;
    top: 150px;
  }

  .about-title {
    text-align: center;
  }

  .about-description {
    text-align: center;
  }

  #tabs-titles {
    display: flex;
  }

  #projects {
    padding: 30px 5%;
  }

  .layer {
    padding: 0 20px;
  }

  .layer p {
    margin: 0 0 10px;
    font-size: 15px;
  }

  .layer a {
    width: 30px;
    height: 30px;
    margin: 0 auto;
    padding: 7px;
  }

  .project:hover .layer {
    height: 100%;
  }

  #contact-info {
    flex-direction: column;
    justify-content: center;
    align-items: center;
  }

  .contact-data {
    margin: 5rem 10rem;
  }
}