:root {
  --site-navigation-block-size: 45px;
}

.portfolio-shell {
  min-width: 0;
}

.site-header {
  display: grid;
  gap: var(--space-2);
  min-width: 0;
  padding: calc(var(--space-4) + var(--site-navigation-block-size)) 4vw
    var(--space-3);
  border-block-end: var(--panel-border);
  background: #0b111b;
}

.site-header h1 {
  font-size: var(--step-3);
}

.site-header > p:not(.route-label) {
  color: var(--text-muted);
  font-size: var(--step-1);
}

.site-navigation {
  position: fixed;
  z-index: 3;
  inset: 0 0 auto;
  block-size: var(--site-navigation-block-size);
  border-block-end: var(--panel-border);
  background: rgb(7 13 23 / 94%);
  backdrop-filter: blur(10px);
}

.site-navigation ul {
  display: grid;
  grid-template-columns: repeat(8, minmax(0, 1fr));
  grid-auto-rows: 44px;
  gap: 0.25rem;
  max-inline-size: 90rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-navigation a {
  display: inline-flex;
  inline-size: 100%;
  align-items: center;
  min-block-size: 44px;
  justify-content: center;
  padding-inline: 0.4rem;
  color: var(--text-muted);
  font-family: var(--mono);
  font-size: var(--step--1);
  letter-spacing: 0.04em;
  text-decoration: none;
  transition:
    color var(--transition),
    background-color var(--transition);
}

.site-navigation a:hover,
.site-navigation a:focus-visible {
  background: var(--cyan-deep);
  color: var(--text);
}

.site-navigation a:focus-visible {
  outline-offset: -3px;
}

.site-navigation__compact-label {
  display: none;
}

.portfolio-main {
  min-width: 0;
  padding-block: var(--space-4) var(--space-5);
}

.portfolio-section {
  width: calc(100% - 2rem);
  min-width: 0;
  margin: 0 1rem var(--space-4);
  padding: var(--space-3);
  scroll-margin-block-start: calc(
    var(--site-navigation-block-size) + var(--space-3)
  );
  border: var(--panel-border);
  border-radius: 2px;
  background: var(--surface);
  box-shadow: var(--panel-shadow);
  transition:
    border-color var(--transition),
    background-color var(--transition);
}

.portfolio-section:hover {
  border-color: var(--line-strong);
}

.site-footer,
.portfolio-section footer {
  display: grid;
  gap: var(--space-2);
  min-width: 0;
}

.site-footer {
  padding: var(--space-4) 4vw;
  border-block-start: var(--panel-border);
  background: #0b111b;
}

@media (max-width: 767px) {
  :root {
    --site-navigation-block-size: 93px;
  }

  .site-header {
    padding-block-start: calc(
      var(--space-4) + var(--site-navigation-block-size)
    );
  }

  .site-navigation ul {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .site-navigation__full-label {
    display: none;
  }

  .site-navigation__compact-label {
    display: inline;
  }

  .portfolio-section {
    scroll-margin-block-start: calc(
      var(--site-navigation-block-size) + var(--space-3)
    );
  }

  .project-link,
  .contact-link,
  .contact-social-link {
    display: inline-flex;
    align-items: center;
    min-inline-size: 44px;
    min-block-size: 44px;
    padding-inline: 0.55rem;
  }
}

@media (min-width: 768px) {
  .site-header {
    padding-inline: 5vw;
  }

  .portfolio-section {
    width: calc(50% - 3rem);
    margin-inline: 2rem 0;
  }

  .portfolio-section:nth-child(even) {
    margin-inline-start: calc(50% + 1rem);
  }

  .site-footer {
    padding-inline: 5vw;
  }
}

@media (min-width: 1280px) {
  .site-header {
    padding-inline: 4vw;
  }

  .portfolio-section {
    width: 42%;
    margin-inline: 4% 0;
  }

  .portfolio-section:nth-child(even) {
    margin-inline-start: 54%;
  }

  .site-footer {
    padding-inline: 4vw;
  }
}