:root {
  --clr-background: #010922;
  --clr-primary: #8080D7;
  --clr-secondary: #AAD9D9;
  --clr-neutral: #ffffff;

  --ff-primary: 'Inter', sans-serif;

  --fw-regular: 400;
  --fw-semi-bold: 500;
  --fw-bold: 700;

  --fs-500: 0.875rem;
  --fs-600: 1rem;
  --fs-700: 1.25rem;
  --fs-800: 1.5rem;
  --fs-900: 3rem;
}


*, 
*::before, 
*::after {
  box-sizing: border-box;
}

* {
  margin: 0;
  padding: 0;
  font: inherit;
}

ul,
ol,
a {
  list-style: none;
  text-decoration: none;
}

html:focus-within {
  scroll-behavior: smooth;
}


img, picture, video, canvas, svg {
  display: block;
  max-width: 100%;
}

p, h1, h2, h3, h4, h5, h6 {
  overflow-wrap: break-word;
}

body {
  display: flex;
  justify-content: center; 
  align-items: center; 
  line-height: 1.5;
  text-rendering: optimizeSpeed;
  font-family: var(--ff-primary);
  background: var(--clr-background);
  color: var(--clr-neutral);
}

.container {
  max-width: 1200px;
  padding: 90px 80px;
  display: flex;
  gap: 2rem;
  min-height: 100vh;
  margin: 0 auto;
}

@keyframes fade-in {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

/* Apply the animation to the body element */
body {
  animation: fade-in 1s ease-in-out;
}

.left-column {
  position: fixed;
  max-width: 50%;
  overflow-y: auto;
  padding-right: 2rem;
}

h1 {
  font-size: var(--fs-900);
  font-weight: var(--fw-bold);
  color: var(--clr-primary);
}

h3 {
  font-size: var(--fs-800);
  font-weight: var(--fw-bold);
  color: var(--clr-secondary);
  padding: 1.5rem 0;
}

.left-column p {
  width: 368px;
}

.navbar {
  text-transform: uppercase;
  padding: 3rem 0 2rem 0;
}

.navbar li{
  padding: 0.5rem 0;
}

.navbar li a {
  color: var(--clr-neutral);
}

.navbar li a.active::before {
  width: 100%;
}

.underline-hover-effect {
  display: inline-block;
  padding-bottom: 0.25rem;
  position: relative;
}

.navbar .underline-hover-effect.active::before {
  width: 100%;
}

.underline-hover-effect::before {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background-color: rgb(0, 255, 0);
  transition: width 0.25s ease-out;
}

.underline-hover-effect:hover::before
{
  width: 100%;
}

.links a {
  display: inline-block;
  transition: transform 0.3s ease-in-out, box-shadow 0.3s ease-in-out;
}

.links a:hover {
  transform: scale(1.1);
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.3);
}

.right-column {
  margin-left: 50%;
  max-width: 50%;
  overflow-y: auto;
}

.about {
  margin-bottom: 4rem;
}

.about h3 {
  display: none;
}

.about p {
  margin-bottom: var(--fs-700);
}

.about .profile {
  padding-top: 2rem;
  max-height: 400px;
}

.technology-list {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 4rem;
}

.technology-list li{
  border: 1px solid var(--clr-secondary);
  border-radius: 5px;
  padding: .875rem 1.875rem;
}

.project {
  display: flex;
  gap: 1rem;
}

.project-container li{
  padding-bottom: 2rem;
}

.project .project-img {
  max-width: 200px;
}

.project-info h4 {
  font-size: var(--fs-700);
  color: var(--clr-primary);
  padding-bottom: .5rem;
}

.project-link {
  display: flex;
  gap: 1rem;
  padding-bottom: .5rem;
}

.project-link a{
  display: flex;
  align-items: center;
  gap: .5rem;
}

.project-link a span{
  color: var(--clr-neutral);
}

.project-link img {
  width: 26px;
  height: 24px;
}

.category {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  padding-top: .5rem;
}

.category li{
  border: 1px solid var(--clr-secondary);
  padding: .5rem;
  border-radius: 5px;
}

.contact div{
  display: flex;
  gap: 3rem;
}

.contact h3 {
  padding: 0;
  margin-bottom: 1rem;
  margin-top: 3rem;
}

.contact div a {
  color: var(--clr-neutral);
  margin-top: 4rem;
  border-left: 3px solid var(--clr-secondary);
  padding-left: 1rem;
}

footer {
  margin-top: 5rem;
  color: var(--clr-secondary);
}


@media (max-width: 1060px) {
  .container {
    flex-direction: column;
    gap: 0;
  }

  .left-column,
  .right-column {
    position: static;
    max-width: 100%;
    margin-left: 0;
    padding-right: 0;
  }

  .left-column p {
    margin-bottom: 2rem;
  }

  .navbar {
    display: none;
  }

  .left-column {
    margin-bottom: 5rem;
  }

  .right-column {
    height: auto;
  }

  .right-column .about {
    margin-bottom: 5rem;
  }

  .about h3 {
    display: block;
    padding: 0 0 1rem 0;
  }

  .technology {
    margin-bottom: 5rem;
  }

  .technology h3 {
    padding: 0;
    margin-bottom: 1.5rem;
  }

  .technology-list {
    padding: 0;
  }

  .project {
    display: flex;
  }

  .project-container li {
    padding: 0;
    margin-bottom: 2rem;
  }

  .project-container h3 {
    padding: 0;
    margin-bottom: 1.5rem;
  }

  .project .project-img {
    max-width: 300px;
    padding: 0;
  }

  .project-info h4 {
    padding: 0;
    margin-bottom: 1rem;
  }

  .project-info .project-link {
    padding: 0;
    margin-bottom: 1rem;
  }

  .project-info p {
    margin-bottom: 1rem;
  }

  .project-info .category li {
    padding: 0.5rem;
    margin: 0;
  }

  .contact h3 {
    padding: 0;
    margin-top: 5rem;
    margin-bottom: 1rem;
  }
}

@media (max-width: 768px) {

  .project {
    flex-direction: column-reverse;
    margin-bottom: 3rem;
  }
}

@media (max-width: 600px) {

  .container {
    padding: 2rem 3rem;
  }

  .left-column h1 {
    font-size: 2.5rem;
  }
}

@media (max-width: 512px) {
  footer p {
    font-size: var(--fs-500);
  }
}

  @media (max-width: 450px) {
    .left-column h1 {
      font-size: 2rem;
    }
  }

@media (max-width: 390px) {
  .container {
    margin-left: 1rem;
  }
  .left-column h1 {
    font-size: 2rem;
  }
}

@media (max-width: 360px) {
  .container {
    margin-left: 5rem;
  }
  .left-column h1 {
    font-size: 1.25rem;
  }
}