.skip-link {
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 100;
  padding: 0.75rem 1rem;
  background-color: var(--color-text);
  color: var(--color-background);
  font-weight: 700;
  text-decoration: none;
  transform: translateY(calc(-100% - 1rem));
  transition: transform 150ms ease;
}

.skip-link:focus-visible {
  transform: translateY(0);
}

.site-name {
  font-family: var(--font-heading);
  font-size: 2.505rem;
  font-weight: 400;
  line-height: 1.05;
  text-decoration: none;
  text-transform: uppercase;
}

.site-role {
  color: var(--color-accent-text);
  font-size: 1.0365rem;
  font-weight: 700;
  line-height: 1.05;
  text-transform: uppercase;
}

.nav-list a {
  display: block;
  font-size: 0.864rem;
  font-weight: 700;
  line-height: 1.05;
  text-decoration: none;
  text-transform: uppercase;
}

.nav-list a:hover,
.nav-list a:focus-visible {
  text-decoration: underline;
}

.nav-toggle {
  display: none;
  width: 2.75rem;
  height: 2.75rem;
  padding: 0.5rem;
  border: 0;
  background: transparent;
  cursor: pointer;
}

.nav-toggle-line {
  display: block;
  width: 100%;
  height: 0.16rem;
  background-color: currentColor;
}
.nav-toggle-line + .nav-toggle-line {
  margin-top: 0.35rem;
}

.section-marker {
  align-self: stretch;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  padding-top: 0.5rem;
  border-right: 1px solid var(--color-text);
}

.hero .section-marker {
  padding-top: 2.87rem;
}

.projects-section .section-marker {
  padding-top: 1.5rem;
}

.experience-section .section-marker,
.lab-section .section-marker {
  padding-top: 2rem;
}

.vault-section .section-marker,
.about-section .section-marker {
  padding-top: 1rem;
}

.section-marker-number {
  color: var(--color-accent);
  font-family: var(--font-heading);
  font-size: 2.16rem;
  line-height: 1;
}

.section-marker-label {
  font-size: 1.12rem;
  font-weight: 800;
  line-height: 1;
  text-transform: uppercase;
  writing-mode: vertical-rl;
}

.hero h1 {
  width: 35.94rem;
  font-family: var(--font-hero);
  font-size: clamp(5rem, 8.333vw, 7.5rem);
  font-weight: 900;
  line-height: 0.883;
  letter-spacing: -0.01em;
  text-transform: uppercase;
}

.hero h1 span {
  display: block;
}

.hero-heading-accent {
  margin-top: 1.25rem;
  color: var(--color-accent);
  line-height: 0.9;
}

.hero-description {
  max-width: 29.37rem;
  margin-top: 1.19rem;
  font-size: 1.123rem;
  font-weight: 700;
  line-height: 1.335;
}

.hero-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1.5rem;
  color: var(--color-accent-text);
  font-size: 1.0365rem;
  font-weight: 700;
  line-height: 1.05;
  text-decoration: none;
  text-transform: uppercase;
}

.hero-link span {
  font-size: inherit;
}

.hero-link:hover,
.hero-link:focus-visible {
  text-decoration: underline;
}

.hero-visual {
  position: relative;
  width: 100%;
  aspect-ratio: 669 / 619;
  margin-top: -0.44rem;
  overflow: hidden;
  background-color: #eed9b5;
}

.hero-visual::before {
  position: absolute;
  top: 1%;
  left: 15%;
  width: 88%;
  aspect-ratio: 1;
  border-radius: 50%;
  background-color: var(--color-accent);
  content: '';
}

.hero-image {
  position: absolute;
  right: -15px;
  bottom: 0;
  z-index: 1;
  display: block;
  width: 96%;
  height: 96%;
  object-fit: contain;
  object-position: right bottom;
}

.projects-heading-row h2,
.lab-content h2 {
  font-family: var(--font-heading);
  font-size: 1.555rem;
  font-weight: 400;
  line-height: 1.05;
  text-transform: uppercase;
}

.projects-archive-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--color-accent-text);
  font-size: 0.864rem;
  font-weight: 700;
  line-height: 1.05;
  text-decoration: none;
  text-transform: uppercase;
}

.projects-archive-link:hover,
.projects-archive-link:focus-visible {
  text-decoration: underline;
}

.project-card {
  overflow: hidden;
  background-color: var(--color-surface);
}

.project-card-visual {
  position: relative;
  display: grid;
  place-items: center;
  aspect-ratio: 378.67 / 229.42;
  background-color: var(--color-olive);
}

.project-laptop {
  display: block;
  width: 80%;
  height: auto;
}

.project-device {
  position: relative;
  width: 80%;
}

.project-device .project-laptop {
  width: 100%;
}

.project-screen {
  position: absolute;
  top: 6.9%;
  left: 12.8%;
  width: 74.4%;
  height: 71.8%;
  object-fit: cover;
}

.project-card-visual--red {
  background-color: var(--color-accent);
}

.project-card-visual--orange {
  background-color: var(--color-orange);
}

.project-card-body {
  padding: 0.85rem 1rem 1rem;
}

.project-card-body h3 {
  font-family: var(--font-heading);
  font-size: 1.38rem;
  font-weight: 400;
  line-height: 1.05;
  text-transform: uppercase;
}

.project-card-body p {
  margin-top: 0.35rem;
  font-size: 0.864rem;
  line-height: 1.1;
}

.action-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35em;
  color: var(--color-accent-text);
  font-size: 0.78rem;
  font-weight: 700;
  line-height: 1.05;
  text-decoration: none;
  text-transform: uppercase;
}

.project-card-cta {
  margin-top: 0.7rem;
}

.experience-summary {
  display: flex;
  flex-direction: column;
  padding-bottom: 1rem;
}

.experience-link {
  width: max-content;
  margin-top: auto;
}

.action-link:hover,
.action-link:focus-visible {
  text-decoration: underline;
}

.experience-intro {
  max-width: 19rem;
  font-family: var(--font-heading);
  font-size: clamp(2rem, 3vw, 2.68rem);
  line-height: 1;
  text-transform: uppercase;
}

.experience-description {
  max-width: 22.46rem;
  margin-top: 1.44rem;
  font-size: 0.864rem;
  line-height: 1.35;
}

.experience-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.experience-item {
  padding-block: 1rem;
  border-bottom: 1px solid var(--color-text);
}

.experience-item-heading h3 {
  color: var(--color-accent-text);
  font-size: 0.864rem;
  font-weight: 700;
  line-height: 1.05;
  text-transform: uppercase;
}

.experience-item-heading p {
  margin-top: 0.44rem;
  font-size: 0.78rem;
  line-height: 1.4;
}

.experience-dates {
  font-size: 0.78rem;
  line-height: 1.4;
  white-space: nowrap;
}

.lab-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 8.03rem;
  padding: 1rem 0.7rem;
  background-color: var(--color-surface);
  border-top: 1px solid var(--color-text);
  border-left: 1px solid var(--color-text);
  text-align: center;
}

.lab-card-icon {
  display: grid;
  place-items: center;
  width: 3.75rem;
  height: 3.75rem;
  margin-bottom: 0.8rem;
  flex-shrink: 0;
}

.lab-card-icon svg {
  display: block;
  width: 100%;
  height: 100%;
}

.lab-card h3 {
  font-size: 0.78rem;
  font-weight: 700;
  line-height: 1.05;
  text-transform: uppercase;
}

.lab-card p {
  margin-top: 0.45rem;
  font-size: 0.69rem;
  font-weight: 700;
  line-height: 1.05;
  text-transform: uppercase;
}

.lab-card:nth-child(4n) {
  border-right: 1px solid var(--color-text);
}

.lab-card:nth-last-child(-n + 4) {
  border-bottom: 1px solid var(--color-text);
}

/* Vault and About */
.vault-copy,
.about-copy {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.vault-copy {
  padding-block: 0.75rem 1rem;
}

.vault-intro,
.about-intro {
  font-family: var(--font-heading);
  font-weight: 400;
  line-height: 1.05;
  text-transform: uppercase;
}

.vault-intro {
  font-size: clamp(2rem, 2.7vw, 2.42rem);
}

.about-intro {
  font-size: clamp(1.85rem, 2.4vw, 2.16rem);
}

.vault-link {
  margin-top: auto;
}

.about-description {
  max-width: 21.6rem;
  margin-top: 0.55rem;
  font-size: 0.78rem;
  line-height: 1.35;
}

.about-link {
  margin-top: 1.75rem;
}

.vault-media {
  position: relative;
  min-height: 13.13rem;
  overflow: hidden;
}

.vault-image {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
}

.about-portrait {
  align-self: center;
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: 50%;
}

/* Contact and footer */
.contact-cta h2 {
  font-family: var(--font-heading);
  font-size: 2.9368rem;
  font-weight: 400;
  line-height: 1.043;
  text-transform: uppercase;
}

.contact-cta h2 span {
  display: block;
}

.contact-cta h2 span:last-child {
  color: var(--color-accent);
  white-space: nowrap;
}

.contact-link {
  margin-top: 1rem;
}

.contact-arc {
  align-self: end;
  justify-self: center;
  display: block;
  width: 100%;
  height: 12.75rem;
  object-fit: contain;
  object-position: center bottom;
  margin: 0;
  transform: none;
}

.contact-details {
  font-style: normal;
}

.contact-details ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.contact-details li {
  display: grid;
  grid-template-columns: 0.7rem minmax(0, 1fr);
  align-items: center;
  gap: 0.65rem;
  font-size: 0.864rem;
  line-height: 1.2;
}

.contact-details li + li {
  margin-top: 0.75rem;
}

.contact-detail-mark {
  width: 0.55rem;
  height: 0.55rem;
  border: 2px solid var(--color-accent);
  border-radius: 50%;
}

.contact-details a {
  width: max-content;
  max-width: 100%;
  color: inherit;
  overflow-wrap: anywhere;
  text-decoration: none;
}

.contact-details a:hover,
.contact-details a:focus-visible {
  text-decoration: underline;
}

.contact-tagline {
  font-family: var(--font-heading);
  font-size: 1.64rem;
  line-height: 1;
  text-transform: uppercase;
}

.site-footer {
  position: relative;
  z-index: 1;
  background-color: var(--color-dark-surface);
  color: var(--color-orange);
  font-size: 0.78rem;
  font-weight: 700;
  line-height: 1.05;
  text-transform: uppercase;
}

.back-to-top {
  position: fixed;
  right: 1.5rem;
  bottom: 1.5rem;
  z-index: 10;
  display: grid;
  width: 3rem;
  height: 3rem;
  place-items: center;
  border: 1px solid var(--color-text);
  background-color: var(--color-surface);
  color: var(--color-text);
  font-size: 1.5rem;
  text-decoration: none;
  opacity: 0;
  visibility: hidden;
  transform: translateY(0.5rem);
  transition:
    opacity 180ms ease,
    transform 180ms ease,
    visibility 180ms ease;
  pointer-events: none;
}

.back-to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  pointer-events: auto;
}

@media (max-width: 52rem) {
  .hero h1 {
    width: auto;
    font-size: clamp(3.25rem, 16vw, 5rem);
  }

  .section-marker {
    width: max-content;
    flex-direction: row;
    align-items: baseline;
    gap: 0.5rem;
    padding-top: 0;
    padding-bottom: 0.3rem;
    border-right: 0;
    border-bottom: 1px solid var(--color-accent);
  }

  .hero .section-marker {
    padding-top: 2.87rem;
  }

  .vault-section .section-marker,
  .about-section .section-marker {
    padding-top: 0;
  }

  .vault-copy,
  .about-copy {
    padding-block: 0;
  }

  .vault-link,
  .about-link {
    margin-top: 1.5rem;
  }

  .vault-media {
    min-height: 15rem;
  }

  .about-portrait-placeholder {
    justify-self: center;
    width: min(18rem, 100%);
  }

  .contact-cta h2 {
    font-size: clamp(2.5rem, 13vw, 3.8rem);
  }

  .contact-tagline {
    font-size: 2rem;
  }

  .contact-arc {
    height: auto;
  }

  .section-marker-number {
    font-size: 1.65rem;
  }

  .section-marker-label {
    font-size: 1rem;
    writing-mode: horizontal-tb;
  }
}