/* Base Styles */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&family=Rajdhani:wght@600;700&display=swap');


body {
  font-family: 'Inter', sans-serif;
  font-weight: 400;
  color: #000;
  line-height: 1.6;
}

/* Headings */

h1, h2, h3, h4, h5, h6 {
  font-family: 'Rajdhani', sans-serif;
  font-weight: 700;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
  line-height: 1.2;
}

/* Hierarchical Sizing and Spacing */
h1 {
  font-size: 2.5rem;
  margin-top: 2rem;
  border-bottom: 2px solid #ccc;
  padding-bottom: 0.3rem;
}

h2 {
  font-size: 2rem;
  margin-top: 1.75rem;
  border-left: 4px solid #c40000;
  padding-left: 0.5rem;
}

h3 {
  font-size: 1.5rem;
  margin-top: 1.5rem;
  color: #c40000;
}

h4 {
  font-size: 1.25rem;
  font-weight: 600;
  color: #555;
}

h5, h6 {
  font-size: 1rem;
  font-weight: 500;
  color: #777;
}

img {
  display: block;
  width: 76%;
  margin-top: 5%;
}


body {
  font-family: 'Inter', 'Segoe UI', sans-serif;
  margin: 0;
  padding: 0;
  line-height: 1.6;
  background-color: #ffffff;
  color: #000000;
}

.site-header,
main {
  max-width: 1000px;
  margin: 0 auto;
  padding: 1rem 1.5rem;
}

header.site-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid #ccc;
  padding: 1.5rem 0;
  background-color: #fff;
}

.course-info {
  font-weight: bold;
  font-size: 1.2rem;
}

a:link, a:visited {
  color: #000;
  font-weight: bold;
  text-decoration: underline dotted;
  text-underline-offset: 3px;
  opacity: 1;
  transition: opacity 0.2s ease;
}

a:hover, a:focus {
  opacity: .5;
}

nav.main-nav a,
.tutorials-menu a,
.project-menu a {
  color: #000;
  margin-left: 1rem;
  text-decoration: none;
  font-weight: 500;
  position: relative;
  transition: opacity 0.3s ease;
}

nav.main-nav a:hover,
.tutorials-menu a:hover,
.project-menu a:hover {
  opacity: 0.6;
}

header a:link,
header a:visited {
  color: #000;
  text-decoration: none;
  transition: opacity 0.3s ease;
}

header a:hover {
  opacity: 0.6;
}

main h1 {
  margin-bottom: 2rem;
}



/*.modules-list,
.tutorials-menu ul {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  padding: 0;
  list-style: none;
}*/

.module,
/*.project-detail,*/
.tutorials-container section {
  display: flex;
  flex-direction: row;
  background: white;
  border: 1px solid #ddd;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
  padding: 1rem;
  gap: 1rem;
}

.module-thumb {
  width: 250px;
  height: 250px;
  object-fit: cover;
  flex-shrink: 0;
  border-radius: 4px;
}

.module-content,
.project-detail,
.tutorials-container section {
  flex: 1;
}

.modules-list,
.project-menu,
.tutorials-menu ul {
  display: flex;
  flex-direction: column;
  gap: .8rem;
  padding: 0;
  list-style: none;
}

.project-menu, .tutorials-menu ul {
  text-transform: uppercase;
}

.module-content h2,
/*.project-detail h2,*/
.tutorials-container h2 {
  margin-top: 0;
  font-size: 1.25rem;
}

.project-detail h2 {
   margin-top: 4rem;
}

.module-dates {
  font-style: italic;
  color: #444;
}

.module-tag {
  display: inline-block;
  background-color: #000;
  color: white;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  font-size: 0.875rem;
  margin: 0.5rem 0;
}

.module-desc,
.project-detail p,
.tutorials-container p {
  margin-top: 0.5rem;
}

.points {
  font-size: 1.8rem;
  font-weight: normal;
  color: #666;
}

.module-page {
  max-width: 1100px;
  margin: 0 auto;
  padding: 1.5rem;
}

.responsive-video {
  position: relative;
  padding-bottom: 56.25%; /* 16:9 ratio */
  height: 0;
  overflow: hidden;
  max-width: 100%;
  margin-bottom: 5%;
}

.responsive-video iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.due {
  font-weight: bold;
  color: red;
}

.site-footer {
  background-color: #333;
  color: #fff;
  text-align: center;
  padding: 1rem 0;
  font-size: 0.9rem;
  margin-top: 2rem;
}

.site-footer a {
  color: #ccc;
  text-decoration: none;
}

.site-footer a:hover {
  color: #fff;
  text-decoration: underline;
}

/* Red links only in main content on module and project pages */
.module-page a:not(.main-nav a),
.projects-container a:not(.main-nav a) {
  color: #c40000;
  text-decoration: none;
  transition: opacity 0.3s ease;
}

.module-page a:not(.main-nav a):hover,
.projects-container a:not(.main-nav a):hover {
  opacity: 0.6;
}

.modules-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
  }

.module {
  flex-direction: column;
  align-items: flex-start;
  padding: 1rem;
  text-align: left;
}

.module-dates {
  text-transform: uppercase;
  font-weight: bold;
  color: #c40000;
}


.module-thumb {
    width: 100%;
    height: auto;
}




@media (max-width: 999px) {
  .site-header {
    flex-direction: column;
    text-align: center;
    gap: 0.5rem;
  }

    nav.main-nav {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.5rem;
  }
}

@media (max-width: 700px) {

  .module,
  .project-detail,
  .tutorials-container section {
    flex-direction: column;
    align-items: flex-start;
  }


  .modules-list {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
  }


}