:root {
  --header-text: #fff;
  --header-cta-text: #000;
  --header-logo-filter: brightness(0) saturate(100%) invert(100%);
  --header-menu-chip-bg: rgba(17, 17, 17, 0.92);
  --header-menu-chip-text: #fff;
  --header-mobile-height: 72px;
  --header-mobile-side-pad: 14px;
  --header-mobile-meta-size: 17px;
}

html,
body,
body * {
  -webkit-user-select: none;
  user-select: none;
}

input,
textarea,
select,
[contenteditable="true"],
[contenteditable="plaintext-only"] {
  -webkit-user-select: text;
  user-select: text;
}

footer a[href^="mailto:"],
footer a[href*="bryancoissieu.com"] {
  -webkit-user-select: text !important;
  user-select: text !important;
  -webkit-touch-callout: default;
}

img,
picture,
figure,
.transition-target {
  -webkit-user-select: none;
  user-select: none;
  -webkit-user-drag: none;
  user-drag: none;
  -webkit-touch-callout: none;
}

nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 40px;
  background: transparent;
  isolation: isolate;
  mix-blend-mode: difference;
}

body.is-mobile-menu-open,
body.is-mobile-menu-closing {
  overflow: hidden;
}

.header-progressive-blur {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 190px;
  z-index: 199;
  pointer-events: none;
  opacity: 1;
  transition: opacity 0.18s ease;
}

.header-progressive-blur::before,
.header-progressive-blur::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  pointer-events: none;
  mix-blend-mode: normal;
  border-radius: 0;
}

.header-progressive-blur::before {
  height: 124px;
  background: rgba(240, 240, 240, 0.015);
  backdrop-filter: blur(26px) saturate(145%);
  -webkit-backdrop-filter: blur(26px) saturate(145%);
  mask-image: linear-gradient(
    to bottom,
    rgba(0, 0, 0, 0.98) 0%,
    rgba(0, 0, 0, 0.92) 28%,
    rgba(0, 0, 0, 0.58) 70%,
    transparent 100%
  );
  -webkit-mask-image: linear-gradient(
    to bottom,
    rgba(0, 0, 0, 0.98) 0%,
    rgba(0, 0, 0, 0.92) 28%,
    rgba(0, 0, 0, 0.58) 70%,
    transparent 100%
  );
}

.header-progressive-blur::after {
  top: 0;
  height: 176px;
  background: rgba(240, 240, 240, 0.01);
  backdrop-filter: blur(12px) saturate(125%);
  -webkit-backdrop-filter: blur(12px) saturate(125%);
  mask-image: linear-gradient(
    to bottom,
    rgba(0, 0, 0, 0.82) 0%,
    rgba(0, 0, 0, 0.42) 58%,
    transparent 100%
  );
  -webkit-mask-image: linear-gradient(
    to bottom,
    rgba(0, 0, 0, 0.82) 0%,
    rgba(0, 0, 0, 0.42) 58%,
    transparent 100%
  );
}

body.is-mobile-menu-open .header-progressive-blur,
body.is-mobile-menu-closing .header-progressive-blur {
  opacity: 0;
}

.nav-left {
  position: relative;
  display: flex;
  align-items: center;
  flex-shrink: 0;
  text-decoration: none;
  color: var(--header-text);
  cursor: pointer;
  z-index: 2;
}

.logo-img {
  display: block;
  width: 36px;
  height: 36px;
  flex-shrink: 0;
  background-image: url("../img/bc-logo.svg");
  background-repeat: no-repeat;
  background-position: center;
  background-size: contain;
  filter: var(--header-logo-filter);
  transition: filter 0.2s ease;
}

.logo-img img {
  display: none;
}

.nav-left:hover .logo-img {
  transform: none;
}

.nav-name {
  position: absolute;
  top: 50%;
  left: 48px;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.3px;
  white-space: nowrap;
  visibility: hidden;
  color: inherit;
  transform: translateY(-50%) translateX(-8px);
  pointer-events: none;
  transition: transform 0.5s ease, visibility 0s linear 0.5s;
  opacity: 0;
}

.nav-left:hover .nav-name {
  visibility: visible;
  transform: translateY(-50%) translateX(0);
  color: var(--header-text);
  transition-delay: 0s;
  opacity: 1;
}

.header-menu {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: flex-end;
  flex-wrap: nowrap;
  gap: 0.78rem;
  margin-left: auto;
  padding-left: 1.6rem;
  min-width: 0;
  z-index: 2;
}

.header-menu__link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 1.95rem;
  padding: 0 0.45rem;
  color: var(--header-text);
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: -0.015em;
  font-family: "PP Neue Montreal Mono", monospace;
  font-size: 14px;
  font-weight: 500;
  line-height: 1;
  white-space: nowrap;
  transition: background 0.2s ease, color 0.2s ease;
}

.header-menu__link:hover,
.header-menu__link:focus-visible {
  background: var(--header-menu-chip-bg);
  color: var(--header-menu-chip-text);
  outline: none;
}



.header-menu__link--cta {
  color: var(--header-menu-chip-text);
  -webkit-text-fill-color: currentColor;
  background: var(--header-menu-chip-bg);
}

.header-menu__link--cta::before {
  content: none;
}

.header-menu__link--cta:hover {
  color: var(--header-menu-chip-text);
  -webkit-text-fill-color: currentColor;
  background: var(--header-menu-chip-bg);
}

.header-mobile-toggle,
.header-mobile-panel {
  display: none;
}

@media (max-width: 1040px) {
  .header-menu {
    gap: 0.58rem;
    padding-left: 1rem;
  }

  .header-menu__link {
    font-size: 0.79rem;
  }
}

@media (min-width: 641px) and (max-width: 1100px) {
  nav {
    padding: 20px 24px;
  }

  .logo-img {
    width: 30px;
    height: 30px;
  }

  .header-menu {
    gap: 0.46rem;
    padding-left: 0.8rem;
  }

  .header-menu__link {
    min-height: 1.85rem;
    padding: 0 0.22rem;
    font-size: 12px;
  }

  .header-menu__link--cta {
    padding: 0 0.42rem;
  }
}

@media (max-width: 820px) {
  nav {
    padding: 18px 20px;
  }

  .header-menu {
    gap: 0.4rem;
    padding-left: 0.8rem;
  }

  .header-menu__link {
    min-height: 1.7rem;
    font-size: 0.7rem;
    padding: 0 0.14rem;
  }

  .header-menu__link--cta {
    padding: 0 0.38rem;
  }
}

@media (max-width: 640px) {
  .nav-name {
    display: none;
  }

  nav {
    display: flex;
    align-items: center;
    min-height: var(--header-mobile-height);
    padding: 14px var(--header-mobile-side-pad);
    gap: 0.35rem;
    isolation: isolate;
    mix-blend-mode: difference;
    background: transparent;
  }

  .header-progressive-blur {
    height: calc(var(--header-mobile-height) + 48px);
  }

  .header-progressive-blur::before,
  .header-progressive-blur::after {
    left: 0;
    right: 0;
  }

  .header-progressive-blur::before {
    top: 0;
    height: calc(var(--header-mobile-height) + 16px);
    backdrop-filter: blur(20px) saturate(135%);
    -webkit-backdrop-filter: blur(20px) saturate(135%);
  }

  .header-progressive-blur::after {
    top: 0;
    height: calc(var(--header-mobile-height) + 26px);
  }

  body.is-mobile-menu-open nav,
  body.is-mobile-menu-closing nav {
    isolation: auto;
    mix-blend-mode: normal;
    background: var(--site-bg, #f0f0f0);
  }

  .nav-left {
    color: var(--header-text);
    mix-blend-mode: normal;
  }

  .logo-img {
    width: 38px;
    height: 38px;
    filter: var(--header-logo-filter);
  }

  .header-mobile-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-left: auto;
    border: 0;
    padding: 0 4px 0 0;
    background: transparent;
    color: var(--header-text);
    text-transform: uppercase;
    font-family: "PP Neue Montreal Mono", monospace;
    font-size: var(--header-mobile-meta-size);
    font-weight: 500;
    letter-spacing: -0.04em;
    line-height: 1;
    cursor: pointer;
    mix-blend-mode: normal;
    position: relative;
    z-index: 2;
  }

  body.is-mobile-menu-open .nav-left,
  body.is-mobile-menu-open .header-mobile-toggle,
  body.is-mobile-menu-closing .nav-left,
  body.is-mobile-menu-closing .header-mobile-toggle {
    mix-blend-mode: difference;
  }

  .header-menu {
    display: none;
  }

  .header-mobile-panel {
    position: fixed;
    top: var(--header-mobile-height);
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 190;
    display: block;
    padding: 0 var(--header-mobile-side-pad) var(--header-mobile-side-pad);
    background: var(--site-bg, #f0f0f0);
    isolation: isolate;
    pointer-events: none;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition:
      opacity 0.18s ease,
      transform 0.18s ease,
      visibility 0s linear 0.18s;
  }

  .header-mobile-panel.is-open {
    pointer-events: auto;
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    transition-delay: 0s;
  }

  .header-mobile-panel__inner {
    position: relative;
    min-height: calc(100dvh - var(--header-mobile-height) - var(--header-mobile-side-pad));
  }

  .header-mobile-nav {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    padding: 0;
    padding-top: calc((100dvh - var(--header-mobile-height)) * 0.32);
    padding-bottom: calc(2rem + env(safe-area-inset-bottom, 0px) + 1.5rem);
  }

  .header-mobile-nav__link {
    display: inline-flex;
    align-items: center;
    min-height: 2.7rem;
    color: var(--header-text);
    text-decoration: none;
    text-transform: uppercase;
    font-family: "PP Neue Montreal Mono", monospace;
    font-size: clamp(28px, 6.8vw, 36px);
    line-height: 1;
    letter-spacing: -0.04em;
    mix-blend-mode: difference;
  }

  .header-mobile-footer {
    position: absolute;
    left: 0;
    right: 0;
    bottom: calc(env(safe-area-inset-bottom, 0px));
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.85rem;
    width: 100%;
    padding-right: 0;
    padding-left: 0;
  }

  .header-mobile-footer__link {
    display: inline-flex;
    align-items: center;
    min-height: 2rem;
    color: var(--header-text);
    text-decoration: none;
    text-transform: uppercase;
    font-family: "PP Neue Montreal Mono", monospace;
    font-size: var(--header-mobile-meta-size);
    font-weight: 500;
    letter-spacing: -0.04em;
    line-height: 1;
    mix-blend-mode: difference;
  }
}

@media (max-width: 560px) {
  :root {
    --header-mobile-side-pad: 12px;
    --header-mobile-meta-size: 16px;
  }

  nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.32rem;
    padding: 12px var(--header-mobile-side-pad);
  }

  .logo-img {
    width: 35px;
    height: 35px;
  }

  .header-mobile-toggle {
    padding-right: 3px;
  }

  .header-mobile-panel {
    padding: 0 var(--header-mobile-side-pad) var(--header-mobile-side-pad);
  }

  .header-mobile-panel__inner {
    min-height: calc(100dvh - var(--header-mobile-height) - var(--header-mobile-side-pad));
  }
}

@media (max-width: 360px) {
  :root {
    --header-mobile-side-pad: 10px;
    --header-mobile-meta-size: 11px;
  }

  nav {
    padding: 11px var(--header-mobile-side-pad);
  }

  .logo-img {
    width: 23px;
    height: 23px;
  }

  .header-mobile-toggle {
    padding-right: 2px;
  }

  .header-mobile-nav__link {
    font-size: clamp(22px, 7.2vw, 28px);
  }

  .header-mobile-footer__link {
    font-size: 11px;
  }
}