@font-face {
  font-family: 'open_sansregular';
  src: url("/assets/fonts/OpenSans-Regular-webfont.ttf");
  font-weight: normal;
  font-style: normal;
}

@font-face {
  font-family: 'open_sansbold';
  src: url("/assets/fonts/OpenSans-Bold-webfont.ttf");
  font-weight: normal;
  font-style: normal;
}

@font-face {
  font-family: 'source_serif_regular';
  src: url("/assets/fonts/SourceSerif4-Regular.ttf");
  font-weight: normal;
  font-style: normal;
}

@font-face {
  font-family: 'source_serif_bold';
  src: url("/assets/fonts/SourceSerif4-Bold.ttf");
  font-weight: normal;
  font-style: normal;
}

:root {
  --space-unit: 1em;
  --space-xxs:  calc(0.25 * var(--space-unit));
  --space-xs:   calc(0.5 * var(--space-unit));
  --space-sm:   calc(0.75 * var(--space-unit));
  --space-md:   calc(1.25 * var(--space-unit));
  --space-lg:   calc(2 * var(--space-unit));
  --space-xl:   calc(3.25 * var(--space-unit));
  --space-xxl:  calc(5.25 * var(--space-unit));

  --cotech-white: white;
  --cotech-black: #000000;
  --cotech-light-grey: #646464;
  --cotech-grey: #7b8290;
  --cotech-dark-grey: #1e2637;
  --cotech-light-blue: #7b8290;
  --cotech-blue: #2da9d7;
  --cotech-blue-10-percent-tint: #42b2db;
  --cotech-dark-blue: #212a3d;
  --cotech-darker-blue: #1e2637;
}

p, li, a {
  font-family: "open_sansregular", "Helvetica Neue", Helvetica, Roboto, Arial, sans-serif;
  color: var(--cotech-white);
}

h1, h2, h3, h4, h5, h6 {
  font-family: "source_serif_regular", Palatino, Palladio, "URW Palladio L", "Book Antiqua", Baskerville, "Bookman Old Style", "Bitstream Charter", "Nimbus Roman No9 L", Garamond, "Apple Garamond", "ITC Garamond Narrow", "New Century Schoolbook", "Century Schoolbook", "Century Schoolbook L", Georgia, serif;
  color: var(--cotech-white);
}

body {
  background-color: var(--cotech-black);
}

.default-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
}

.page-heading {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-sm);
  text-align: center;
}

.page-heading h1 {
  font-size: 2.5rem;
}

.page-heading p {
  max-width: 60ch;
}

section.content {
  padding: var(--space-sm);
  max-width: 900px;
  width: 100%;
}

@media screen and (width >= 480px) {
  section.content {
    padding: var(--space-md);
  }
}

section.content p {
  font-size: 1rem;
  line-height: 1.6rem;
  margin-bottom: 1rem;
}

section.content ul {
  font-size: 1rem;
  line-height: 1.6rem;
  margin-bottom: 1rem;
}

section.content h2 {
  font-size: 1.5rem;
  line-height: 1.6rem;
  margin: 2rem 0;
}

.header {
  display: flex;
  padding: var(--space-lg) var(--space-md);
  align-items: center;
  justify-content: space-between;
}

.header a {
  text-decoration: none;
}

.header a:hover {
  text-decoration: underline;
}

.header_logo-link {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.header_menu-list {
  font-family: 'open_sansbold';
  list-style-type: none;
  display: flex;
  gap: var(--space-md);
  font-size: 1rem;
  letter-spacing: 0.05em;
}

.header_menu-list a {
  font-family: 'open_sansbold';
}

.header_burger-btn {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-xs);
  color: var(--cotech-white);
}

.header_close-icon {
  display: none;
}

@media screen and (width < 480px) {
  .header {
    position: relative;
  }

  .header_burger-btn {
    display: block;
  }

  .header_menu-list {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: var(--cotech-black);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: var(--space-lg);
    font-size: 1.5rem;
    z-index: 1000;
    transform: translateX(-100%);
  }

  .header_menu-list.active {
    transform: translateX(0);
  }

  .header_burger-btn.active .header_burger-icon {
    display: none;
  }

  .header_burger-btn.active .header_close-icon {
    display: block;
  }

  .header_burger-btn {
    position: relative;
    z-index: 1001;
  }
}

.hero {
  width: 100%;
  background-image: url(/assets/img/pixel-background.svg);
  background-repeat: no-repeat;
  background-size: cover;
}

.hero_container {
  padding: var(--space-lg) var(--space-sm);
  background: radial-gradient(circle, rgba(0, 0, 0, 1) 0%, rgba(0, 0, 0, 0.1) 100%);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  align-items: center;
  text-align: center;
}

@media screen and (width >= 480px) {
  .hero_container {
    padding: var(--space-xxl);
  }
}

.hero_body {
  font-size: 1.5em;
  font-weight: bold;
  line-height: 1.6;
  color: var(--cotech-white);
  max-width: 50ch;
}

.hero_title {
  display: none;
}

.hero_button {
  cursor: pointer;
  padding: var(--space-sm);
  border-radius: 4px;
  background-color: var(--cotech-blue);
}

.hero_button:hover {
  background-color: var(--cotech-blue-10-percent-tint);
}

.hero_button a {
  color: var(--cotech-white);
  text-decoration: none;
}

.slice {
  width: 100%;
  padding: var(--space-sm);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  text-align: center;
}

@media screen and (width >= 480px) {
  .slice {
    padding: var(--space-lg);
  }
}

.slice--light-grey {
  background-color: var(--cotech-light-grey);
}

.slice--dark {
  background-color: var(--cotech-black);
}

.slice--darker {
  background-color: var(--cotech-black);
}

.slice--blue {
  background-color: var(--cotech-black);
}

.slice_title {
  font-size: 2.5rem;
}

.slice--blue .slice_title {
  color: var(--cotech-white);
}

.slice p {
  max-width: 70ch;
}

.slice--blue p {
  color: var(--cotech-white);
}

.slice--dark p {
  color: var(--cotech-white);
}

.slice--dark a {
  color: var(--cotech-white);
}

.slice--darker p {
  color: var(--cotech-light-grey);
}

.slice--darker a {
  color: var(--cotech-light-grey);
}

.slice_logo {
  width: 200px;
  max-width: 200px;
}

.metadata {
  display: none;
}

@media screen and (width >= 480px) {
  .metadata {
    display: flex;
    gap: var(--space-xl);
  }
}

.metadata_item {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.metadata_heading {
  text-transform: uppercase;
  color: var(--cotech-white);
  font-size: 0.95rem;
  letter-spacing: 0.02em;
}

.metadata_value {
  font-size: 2.2rem;
  letter-spacing: 0.02em;
}

.logo-grid {
  display: grid;
  grid-template-columns: repeat(1, 1fr);
}

@media screen and (width >= 480px) {
  .logo-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media screen and (width >= 720px) {
  .logo-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media screen and (width >= 960px) {
  .logo-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.logo-grid_item {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 240px;
  height: 120px;
  border: 1px solid var(--cotech-light-grey);
  padding: var(--space-sm);
}

.logo-grid_link {
  width: 100%;
}

.logo-grid_img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  filter: grayscale(100);
}

.logo-grid_img:hover {
  opacity: 0.8;
}

.footer-links {
  list-style-type: none;
  display: flex;
  gap: var(--space-lg);
}

.two-column {
  width: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: var(--space-xl);
  padding: var(--space-lg)
}

@media screen and (width >= 480px) {
  .two-column {
    display: flex;
    flex-direction: row;
  }
}

.two-column p {
  max-width: 70ch;
  padding-bottom: 5px;
}

.two-column_left {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.two-column_right {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}