:root {
  --background-color: 250, 243, 235;
  --text-color: #1e062a;
}

* {
  color: var(--text-color);
  box-sizing: border-box;
}

html {
  background: rgb(var(--background-color));
  text-size-adjust: none;
  -webkit-text-size-adjust: none;
  -moz-text-size-adjust: none;
  -ms-text-size-adjust: none;
}

body {
  margin: 0;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Main Page Layout */

#main-content {
  margin: 225px 425px;
  display: flex;
  flex-direction: column;
  gap: 96px;
}

/* Portfolio Header */

#portfolio-header {
  display: flex;
  gap: 20px;
  align-items: center;
}

#portfolio-header-image-container {
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex-basis: 50%;
}

.portfolio-header-image {
  width: 100%;
  height: auto;
}

#portfolio-header-text-container {
  display: flex;
  flex-direction: column;
  gap: 34px;
  flex-basis: 50%;
}

/* About Section */

#about-section {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.about-section-content {
  display: flex;
  flex-direction: column;
  gap: 34px;
}

/* Project Section */

#my-work-section {
  display: flex;
  flex-direction: column;
  gap: 16px;
  scroll-margin-top: 130px;
  /* Offsets the sticky navbar + provides visual headroom */
}

.projects-container {
  display: flex;
  gap: 34px 16px;
  flex-wrap: wrap;
}

/* Project Cards */

.project-card {
  max-width: calc((100% - 32px) / 3);
  display: flex;
  flex-direction: column;
  gap: 34px;
}

.project-card-text-container {
  flex-direction: column;
  display: flex;
  gap: 16px
}

.project-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  object-position: center;
}

/* Project Pages */

#project-header {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.project-header-image {
  width: 100%;
  height: auto;
}

#project-details {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.project-details-content {
  display: flex;
  flex-direction: column;
  gap: 34px;
}

/* Project Gallery */

#project-gallery {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.project-gallery-content {
  display: flex;
  flex-wrap: wrap;
  gap: 34px 16px;
}

.gallery-image-container {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.gallery-image-container.half-width {
  width: calc((100% - 16px) / 2);
}

.gallery-image {
  width: 100%;
  height: auto;
}


/* Extra Extra large devices (large laptops and desktops, 1200px and below) */
@media only screen and (max-width: 1600px) {
  #main-content {
    margin: 225px 275px;
  }
}

/* Extra large devices (large laptops and desktops, 1200px and below) */
@media only screen and (max-width: 1200px) {
  #main-content {
    margin: 225px 175px;
  }
}

/* Large devices (laptops/desktops, 1000px and below) */
@media only screen and (max-width: 1000px) {
  #main-content {
    margin: 225px 75px;
  }
}

/* Small devices (portrait tablets and large phones, 800px and below) */
@media only screen and (max-width: 800px) {
  #main-content {
    margin: 150px 50px;
  }

  #portfolio-header {
    flex-direction: column;
  }

  .project-card {
    max-width: calc((100% - 16px) / 2);
  }
}


/* Small devices (portrait tablets and large phones, 600px and below) */
@media only screen and (max-width: 600px) {
  #main-content {
    margin: 125px 20px;
  }

  .project-card {
    max-width: 100%;
  }
}

/* Open Source Project List */
.oss-container {
  display: flex;
  flex-direction: column;
  width: 100%;
  border-top: 2px solid var(--text-color);
  margin-top: 20px;
}

.oss-item {
  padding: 32px 16px;
  /* Spacious vertical room and elegant horizontal indentation */
  border-bottom: 2px solid var(--text-color);
  font-size: 18px;
  line-height: 1.7;
  transition: background-color 0.2s ease;
}

.oss-item:hover {
  background-color: rgba(12, 6, 42, 0.015);
}

.oss-title-link {
  font-weight: 700;
  color: var(--text-color);
  text-decoration: underline;
  text-underline-offset: 4px;
  margin-right: 4px;
  transition: opacity 0.2s ease;
}

.oss-title-link:hover {
  opacity: 0.7;
  text-decoration-thickness: 2px;
}

.oss-description {
  font-weight: 500;
}