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

:root {
  --highlight-color:orangered;
  --text-color:lightgrey;
  --background-color1:#112233;
  --background-color2:#334455;
}

body {
  font-family:Roboto, sans-serif;
  text-align:center;
  background-color:var(--background-color1);
  color:var(--text-color);
  overflow-x: hidden;
}


h1, h2 {
  color:var(--highlight-color);
}

h1 {
  font-size:5rem;
}

h2 {
  font-size:4rem;
  margin-bottom:3rem;
  padding:1rem 0;
}

h3 {
  font-size:3rem;
}

a {
  text-decoration: none;
}

/* NAVBAR */
nav {
  position:fixed;
  width:100%;
  text-align:right;
  font-family:Roboto, sans-serif;
  background-color:var(--highlight-color);
  z-index:1;
  border-radius:0 0 8px 8px;
  opacity: 0.8;
}

nav a {
  color:var(--background-color1);
  font-size:1.5rem;
  text-decoration: none;
  padding:0 0.8rem;
}

/* WELCOME */
#welcome-section {
  height:100vh;
  padding-top:20vh;
  background:linear-gradient(var(--background-color1),var(--background-color2));
}

.profile-picture {
  width: 100px;
  border-radius: 50%;
}

.about-me {
  padding:1rem 5rem;
}

.location {
  display: flex;
  justify-content:center;
  align-items: center; 
  gap: 10px;
  margin:1rem 0;
}
.location img {
  width:1rem;
  height:1rem;
}

#profile-link img {
  width:3rem;
  height:3rem;
  margin:0 0.5rem;
  border-radius:20%;
  background-color:var(--text-color);
}

/* SKILLS */
#skills {
  padding:5rem 0px;
}

.skills {
  display:flex;
  flex-wrap:wrap;
  justify-content:center;
  align-items: flex-start;
  gap:1rem;
  padding:0 5rem;
}

.skill {
  width:4rem;
}

.skill:hover {
  width:4rem;
  background-color:var(--background-color2);
}

.skill-logo {
  width:3rem;
  height:3rem;
}

/* PROJECTS */
#projects {
  padding:5rem 0px;
  font-family:Roboto, sans-serif;
}

.project-tiles {
  height:100%;
  display:flex;
  flex-wrap:wrap;
  justify-content:center;
  align-items: center;
  gap:2rem;
  max-width:1200px;
  margin:0 auto;
}

.project-tile {
  position:relative;
  width:45%;
  height:45vh;
  padding:10px;
  max-width:400px;
  background-color:var(--background-color2);
  border-radius:5%;
  transition: all 0.2s ease-in-out;
}

.project-title {
  padding-top:0.5rem;
  font-size:2rem;
  color:var(--text-color);
}

.project-description {
  position:absolute;
  width:calc(100% - 1rem);
  height:calc(100% - 1rem);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size:1.5rem;
  color:var(--text-color);
  padding-top: 1rem;
  border-radius:5%;
  background-color:var(--background-color1);
  opacity: 0;
  visibility: hidden; 
  overflow:hidden;
  transition: all 0.3s ease-in-out;
}

.tech-stack {
  display: block;
  margin-bottom: 1rem;
}

.last-line {
  display: block;
  margin-top: 2rem;
}

.project-tile:hover {
  width:50%;
  height:50vh;
  background-color:var(--highlight-color); 
}

.project-tile:hover .project-description {
  opacity: 0.9;
  visibility: visible;
}

.project-tile img { 
  width:100%;
  height:80%;
  border: 5px solid var(--highlight-color);
  border-radius:10%;
  object-fit: cover;
}

@media (max-width:520px) {
  .project-tiles {
    flex-direction:column;
  }

  .project-tile {
    width:100%;
  }

  .project-tile:hover {
    width:100%;
  }

  h1 {
    font-size:3rem;
  }

  h2 {
    font-size:2rem;
   
  }

  h3 {
    font-size:1rem;
  }

  .about-me {
    padding:1rem 1rem;
  }

}