:root {
  --font-size-base: 1.2rem;
  --font-size-large: 2.2rem;
  --font-size-title: 5.7vw;
  --font-size-small: 0.9rem;
  --line-height-base: 1.6rem;

  --font-main: Arial, sans-serif;
  --font-cards: serif;

  --color-text: #0118D8;
  --color-text-subtitle: #555;
  --color-link: #0118D8;
  --color-bg: #F8F5E9;
  --color-border: #0118D8;

  --spacing-small: 1rem;
  --spacing-medium: 2rem;
  --spacing-large: 3rem;

  --modal-height: 90vh;
}

body {
  font-family: var(--font-main);
  font-size: var(--font-size-base);
  line-height: var(--line-height-base);
  color: var(--color-text);
  background-color: var(--color-bg);
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  vertical-align: left;

  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;

  font-variant-ligatures: common-ligatures;
  font-feature-settings: "liga", "dlig", "kern";
}

strong {
  font-style: oblique;
}

a {
  color: var(--color-link);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
  transition: ease-in 0.6;
}

a:focus {
  outline: 2px solid var(--color-link);
}



.main-container {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-small);
  border-bottom: var(--color-border) 2px solid;
  height: fit-content;
  background-color: var(--color-bg);
}

.about-container {
  display: grid;
  max-width: 50%;
  padding-left: var(--spacing-medium);
}

.title {
  font-size: var(--font-size-title);
  text-align: left;
  padding-left: var(--spacing-medium);
  padding-top: var(--spacing-medium);
}

.arrow-link {
  font-size: 1.5rem;
  color: var(--color-link);
  text-decoration: none;
}

.arrow-link:hover {
  text-decoration: underline;
}

.header-bar {
  display: flex;
  justify-content: space-between;
  background-color: var(--color-bg);
  text-align: left;
  font-size: var(--font-size-large);
  padding: var(--spacing-medium);
  border-bottom: var(--color-border) 2px solid;
  text-decoration: none;
}

.cards {
  max-width: fit-content;
  margin: 0 auto;
  display: grid;
  gap: var(--spacing-large);
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  box-sizing: border-box;
  text-align: center;
  padding: var(--spacing-medium);
}

.card {
  padding: var(--spacing-medium);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  justify-content: flex-end;
  font-family: var(--font-cards);
  box-sizing: border-box;
}

.card-image {
  max-width: 100%;
  height: auto;
  display: block;
}

.card a {
  padding-top: var(--spacing-small);
}

.project-modal {
  display: none;
  flex-direction: column;
  gap: var(--spacing-small);
  padding: var(--spacing-medium);
  background: none;
  margin: var(--spacing-medium) auto;
}

.modal-text-content {
  display: flex;
  flex-direction: row;
  align-items: flex-start;
  gap: var(--spacing-medium);
  flex-wrap: wrap;
}

#modal-close {
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  margin-right: var(--spacing-small);
  align-self: flex-start;
}

.modal-title-block {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--spacing-small);
  flex: 0 0 30%;
}

.modal-description-block {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-small);
  flex: 1;
}

#modal-title {
  flex: 0 0 30%;
  margin: 0;
}

#modal-author {
  margin: 0;
}

#modal-quarter {
  font-size: var(--font-size-small);
  font-style: italic;
  color: var(--color-text-subtitle);
  margin: 0;
}

#modal-description {
  flex: 1;
  padding-left: 0;
  margin: 0;

}

#modal-links {
  display: flex;
  flex-direction: row;
  gap: var(--spacing-small);
}

#modal-links a {
  text-decoration: underline;
}

#modal-embed {
  margin-top: var(--spacing-small);
  width: 100%;
  height: var(--modal-height);
  border: none;
}

#modal-embed-fallback img.fallback-image {
  max-width: 100%;
  height: auto;
  display: block;
  margin-top: var(--spacing-small);
}

.active {
  display: flex;
}

.hidden {
  display: none;
}

@media (max-width: 600px) {
  .cards {
    grid-template-columns: 1fr;
  }
}

@media (min-width: 600px) {
  .cards {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 900px) {
  .cards {
    grid-template-columns: repeat(4, 1fr);
  }
}