:root {
  --site-header-height: 5rem;
  --site-header-gutter: clamp(1.25rem, 4vw, 4rem);
  --site-header-accent: #f87632;
  --site-header-dark: #0f0f20;
  --site-header-dark-panel: #1a1a2a;
  --site-header-dark-line: #33333f;
  --site-header-dark-text: #ececf1;
  --site-header-light: #f7f7f7;
  --site-header-light-panel: #ffffff;
  --site-header-light-line: #d7d7da;
  --site-header-light-text: #202024;
  --site-header-ease: cubic-bezier(0.16, 1, 0.3, 1);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 0.75rem;
  left: 0.75rem;
  padding: 0.65rem 0.9rem;
  color: #ffffff;
  background: #c43c22;
  border-radius: 0.5rem;
  font-family: "Manrope", "Helvetica Neue", Arial, sans-serif;
  font-weight: 700;
  text-decoration: none;
  transform: translateY(-160%);
  transition: transform 180ms var(--site-header-ease);
}

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

body.portfolio-page .site-header,
body.case-study-page .site-header {
  position: fixed;
  z-index: 20;
  inset: 0 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: nowrap;
  gap: 1rem;
  width: 100%;
  min-height: var(--site-header-height);
  padding-left: max(var(--site-header-gutter), env(safe-area-inset-left));
  padding-right: max(var(--site-header-gutter), env(safe-area-inset-right));
  box-sizing: border-box;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

body.portfolio-page .site-header[data-theme="dark"],
body.case-study-page .site-header[data-theme="dark"] {
  color: var(--site-header-dark-text);
  background: rgba(15, 15, 32, 0.92);
  border-bottom: 1px solid rgba(51, 51, 63, 0.72);
}

body.portfolio-page .site-header[data-theme="light"],
body.case-study-page .site-header[data-theme="light"] {
  color: var(--site-header-light-text);
  background: rgba(247, 247, 247, 0.92);
  border-bottom: 1px solid var(--site-header-light-line);
}

body.portfolio-page .site-header .brand,
body.case-study-page .site-header .brand {
  display: inline-flex;
  align-items: center;
  flex: 0 1 auto;
  gap: 0.75rem;
  min-width: 0;
  min-height: 2.75rem;
  color: inherit;
  font-family: "Manrope", "Helvetica Neue", Arial, sans-serif;
  font-size: 0.84rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  text-decoration: none;
  text-transform: uppercase;
}

body.portfolio-page .site-header .brand:hover,
body.case-study-page .site-header .brand:hover {
  color: inherit;
}

body.portfolio-page .site-header .brand img,
body.case-study-page .site-header .brand img {
  flex: 0 0 auto;
  width: 1.8rem;
  height: auto;
}

body.portfolio-page .site-header .brand span,
body.case-study-page .site-header .brand span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

body.portfolio-page .nav-toggle,
body.case-study-page .nav-toggle {
  display: none;
  place-content: center;
  flex: 0 0 auto;
  gap: 0.4rem;
  width: 2.75rem;
  height: 2.75rem;
  padding: 0;
  color: inherit;
  background: transparent;
  border: 0;
  border-radius: 0.5rem;
  cursor: pointer;
  touch-action: manipulation;
  -webkit-tap-highlight-color: rgba(248, 118, 50, 0.2);
}

body.portfolio-page .nav-toggle span:not(.sr-only),
body.case-study-page .nav-toggle span:not(.sr-only) {
  display: block;
  width: 1.45rem;
  height: 1px;
  background: currentColor;
  transition: transform 180ms var(--site-header-ease);
}

body.portfolio-page .nav-toggle[aria-expanded="true"] span:nth-of-type(2),
body.case-study-page .nav-toggle[aria-expanded="true"] span:nth-of-type(2) {
  transform: translateY(0.22rem) rotate(45deg);
}

body.portfolio-page .nav-toggle[aria-expanded="true"] span:nth-of-type(3),
body.case-study-page .nav-toggle[aria-expanded="true"] span:nth-of-type(3) {
  transform: translateY(-0.22rem) rotate(-45deg);
}

body.portfolio-page .site-navigation,
body.case-study-page .site-navigation {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  color: inherit;
}

body.portfolio-page .site-navigation a,
body.case-study-page .site-navigation a {
  display: inline-flex;
  align-items: center;
  min-height: 2.75rem;
  padding: 0;
  color: inherit;
  font-family: "Manrope", "Helvetica Neue", Arial, sans-serif;
  font-size: 1rem;
  font-weight: 400;
  letter-spacing: 0;
  text-decoration: none;
  text-transform: none;
  touch-action: manipulation;
}

body.portfolio-page .site-navigation a:hover,
body.case-study-page .site-navigation a:hover,
body.portfolio-page .site-navigation a[aria-current="page"],
body.case-study-page .site-navigation a[aria-current="page"] {
  color: var(--site-header-accent);
}

body.portfolio-page .site-header a:focus-visible,
body.portfolio-page .site-header button:focus-visible,
body.case-study-page .site-header a:focus-visible,
body.case-study-page .site-header button:focus-visible {
  outline: 3px solid var(--site-header-accent);
  outline-offset: 4px;
}

@media (max-width: 57.999rem) {
  body.portfolio-page .site-header[data-nav-ready] .nav-toggle,
  body.case-study-page .site-header[data-nav-ready] .nav-toggle {
    display: grid;
  }

  body.portfolio-page .site-header[data-nav-ready] .site-navigation,
  body.case-study-page .site-header[data-nav-ready] .site-navigation {
    position: absolute;
    top: calc(var(--site-header-height) - 0.25rem);
    right: max(var(--site-header-gutter), env(safe-area-inset-right));
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    width: min(16rem, calc(100vw - (2 * var(--site-header-gutter))));
    padding: 0.5rem;
    border: 1px solid;
    border-radius: 0.75rem;
    box-shadow: 0 1rem 2.5rem rgba(0, 0, 0, 0.22);
    box-sizing: border-box;
    overscroll-behavior: contain;
  }

  body.portfolio-page .site-header[data-theme="dark"][data-nav-ready] .site-navigation,
  body.case-study-page .site-header[data-theme="dark"][data-nav-ready] .site-navigation {
    color: var(--site-header-dark-text);
    background: var(--site-header-dark-panel);
    border-color: var(--site-header-dark-line);
  }

  body.portfolio-page .site-header[data-theme="light"][data-nav-ready] .site-navigation,
  body.case-study-page .site-header[data-theme="light"][data-nav-ready] .site-navigation {
    color: var(--site-header-light-text);
    background: var(--site-header-light-panel);
    border-color: var(--site-header-light-line);
  }

  body.portfolio-page .site-header[data-nav-ready] .site-navigation.is-open,
  body.case-study-page .site-header[data-nav-ready] .site-navigation.is-open {
    display: flex;
  }

  body.portfolio-page .site-header[data-nav-ready] .site-navigation a,
  body.case-study-page .site-header[data-nav-ready] .site-navigation a {
    min-height: 3rem;
    padding: 0.5rem 0.75rem;
    border-radius: 0.5rem;
  }

  body.portfolio-page .site-header[data-theme="dark"][data-nav-ready] .site-navigation a:hover,
  body.portfolio-page .site-header[data-theme="dark"][data-nav-ready] .site-navigation a:focus-visible,
  body.case-study-page .site-header[data-theme="dark"][data-nav-ready] .site-navigation a:hover,
  body.case-study-page .site-header[data-theme="dark"][data-nav-ready] .site-navigation a:focus-visible {
    background: rgba(255, 255, 255, 0.06);
  }

  body.portfolio-page .site-header[data-theme="light"][data-nav-ready] .site-navigation a:hover,
  body.portfolio-page .site-header[data-theme="light"][data-nav-ready] .site-navigation a:focus-visible,
  body.case-study-page .site-header[data-theme="light"][data-nav-ready] .site-navigation a:hover,
  body.case-study-page .site-header[data-theme="light"][data-nav-ready] .site-navigation a:focus-visible {
    background: rgba(32, 32, 36, 0.06);
  }
}

@media (prefers-reduced-motion: reduce) {
  .skip-link,
  body.portfolio-page .nav-toggle span:not(.sr-only),
  body.case-study-page .nav-toggle span:not(.sr-only) {
    transition-duration: 0.01ms;
  }
}