[color-theme="light"] {
  --bg-color: #f3f6f1;
  --text-color: #333333;
  --highlight-color: #6baaa9;
  --gray-color: #aaaaaa;
  --shadow-color: #333333;
  --link-color: #f6268a;
}

[color-theme="dark"] {
  --bg-color: #202125;
  --text-color: #e4e4e3;
  --highlight-color: #89d9c6;
  --gray-color: #555555;
  --shadow-color: #fd92c6;
  --link-color: #fd92c6;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  box-sizing: border-box;
  overflow-x: hidden;
  font-family: "Inter", sans-serif;
  background-color: var(--bg-color);
  color: var(--text-color);
  transition: color 300ms ease, background-color 300ms ease;
}

/* flex utility class */
.flex {
  display: flex;
  gap: var(--gap, 1rem);
}

/* header and navigation */
.logo {
  font-size: 2.5rem;
  font-family: "VT323";
}

.mobile-navigation-toggle {
  display: none;
  border: none;
  color: var(--text-color);
}

header {
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--gray-color);
  font-size: 1.25rem;
  padding: 0.5rem;
  padding-inline: 2rem;
  position: sticky;
  background-color: var(--bg-color);
  top: 0;
  z-index: 9999;
}

#color-mode-toggle {
  font-family: "Inter", sans-serif;
  padding: 0.6rem 0.75rem;
  border-radius: 50%;
  border: 1px solid var(--gray-color);
  transition: background 300ms ease, border 300ms ease, fill 300ms ease;
}

#color-mode-toggle:hover {
  cursor: pointer;
}

#color-mode-toggle svg {
  width: 1.25rem;
  height: 1.25rem;
}

#color-mode-toggle svg[color-mode-hidden="true"] {
  display: none;
}

#color-mode-toggle:has(#sun-svg[color-mode-hidden="false"]) {
  background: var(--bg-color);
  fill: var(--text-color);
}

#color-mode-toggle:has(#sun-svg[color-mode-hidden="false"]):hover {
  background: var(--bg-color);
  fill: var(--highlight-color);
}

#color-mode-toggle:has(#moon-svg[color-mode-hidden="false"]) {
  background: var(--bg-color);
}

#color-mode-toggle:has(#moon-svg[color-mode-hidden="false"]):hover {
  background: var(--highlight-color);
}

.navigation {
  list-style: none;
  padding: 0;
  margin: 0;
  --gap: 1rem;
  align-items: center;
}

.navigation a {
  text-decoration: none;
  color: var(--text-color);
  transition: color 250ms ease;
}

.navigation a:hover {
  color: var(--highlight-color);
}

@media (max-width: 35rem) {
  .navigation {
    --gap: 2rem;
    position: fixed;
    inset: 0;
    font-size: 1.5rem;
    background-color: var(--bg-color);
    flex-direction: column;
    padding: min(20vh, 10rem) 2rem;
    text-align: center;
    transform: translateX(100%);
    transition: transform 250ms ease-out;
  }

  .navigation[data-visible="true"] {
    transform: translateX(0%);
  }

  .mobile-navigation-toggle {
    display: block;
    position: absolute;
    z-index: 9999;
    font-size: 1.5rem;
    background: none;
    aspect-ratio: 1;
    top: 1.25rem;
    right: 1.5rem;
  }
}

.intro {
  margin-top: 2rem;
}

.intro,
.projects {
  flex-direction: column;
  --gap: 0.5rem;
  padding: 1.25rem 2rem;
}

.intro h1,
.intro p,
.projects h1 {
  margin: 0;
}

.intro h1,
.projects h1 {
  width: min(60rem, 100%);
  margin: 0 auto;
  font-size: clamp(2.5rem, 1.25rem + 6.6667vw, 5rem);
}

.intro p {
  width: min(60rem, 100%);
  margin: 0 auto;
  font-size: clamp(1.5rem, 0.75rem + 4vw, 3rem);
}

.projects h1 {
  margin-bottom: 2rem;
}

.card-link {
  text-decoration: none;
  color: inherit;
}

.card {
  display: flex;
  flex-direction: column;
  background-color: var(--bg-color);
  overflow: hidden;
  max-width: 18rem;
  margin: 0 auto;
  height: 100%;
  border: 1px solid var(--shadow-color);
  border-radius: 0.25rem;
  transition: transform 300ms ease, box-shadow 300ms ease;
}

.card:hover {
  box-shadow: -7px 7px var(--shadow-color);
  transform: translate(5px, -5px);
}

.card-img {
  width: 100%;
  object-fit: cover;
}

.card-text {
  padding: 1rem;
}

.card-title {
  font-size: 1.5rem;
  margin: 0;
}

.card-p {
  margin-top: 0.5rem;
  font-size: 1rem;
  color: var(--text-color);
}

.gallery {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  grid-auto-rows: 1fr;
  max-width: 60rem;
  margin: 0 auto;
  gap: 1rem;
}

@media (max-width: 75rem) {
  .gallery {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 55rem) {
  .gallery {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 35rem) {
  .gallery {
    grid-template-columns: 1fr;
  }
}

main.project {
  padding: 3rem;
  padding-top: 0;
}

.project-title {
  text-align: center;
  max-width: 40rem;
  margin: 0 auto;
  margin-bottom: 2rem;
  font-size: 2.15rem;
  font-weight: 800;
  letter-spacing: 2px;
}

.project-subtitle {
  font-size: 1.85rem;
  font-weight: 600;
  max-width: 50rem;
  margin: 0 auto;
  margin-bottom: 1rem;
}

.project-text {
  max-width: 50rem;
  margin: 0 auto;
  margin-bottom: 2.5rem;
  font-size: 1.125rem;
  line-height: 1.5;
}

.project-img {
  display: block;
  width: min(30rem, 100%);
  margin: 0 auto;
  margin-bottom: 1.5rem;
}

.code-container {
  width: min(40rem, 100%);
  margin: 0 auto;
  font-size: 1rem;
}

/* @media (max-width: 499px) {
  .project-img {
    width: 90%;
  }
} */

.project-link {
  color: var(--link-color);
}

.main-image {
  display: block;
  margin: 0 auto;
  margin-top: 3rem;
  margin-bottom: 2rem;
  width: 50rem;
}

.image-container:hover .overlay {
  opacity: 1;
}

@media (max-width: 769px) {
  .main-image {
    width: 100%;
    margin-top: 0;
  }

  .image-container {
    width: 100%;
    margin-top: 0;
  }

  .image-link {
    width: 100%;
    margin-top: 0;
  }
}

@media (max-width: 479px) {
  .main-image {
    margin-bottom: 0.75rem;
  }

  .image-container {
    margin-bottom: 0.75rem;
  }

  .image-link {
    margin-bottom: 0.75rem;
  }

  .project-title {
    font-size: 1.25rem;
  }

  .project-subtitle {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
  }

  .project-text {
    font-size: 1rem;
  }

  .code-container {
    font-size: 0.75rem;
  }

  main.project {
    padding: 1rem;
  }
}

@media (max-width: 35rem) {
  #color-mode-toggle svg {
    width: 1.5rem;
    height: 1.5rem;
  }

  #color-mode-toggle {
    border-radius: 1rem;
    padding: 0.625rem 2.25rem;
  }
}

.link-section {
  border: 5px solid var(--link-color);
  max-width: 50rem;
  margin: 0 auto;
  margin-bottom: 2rem;
  padding: 1.25rem;
}

.link-section > p {
  margin-bottom: 0;
}