/* ============================================
   Navigation + Header Chrome
   ============================================ */

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

.header-chrome {
  pointer-events: none;
  --header-font: "Geist Mono", var(--font-primary);
}

.header-chrome :is(.nav, .social-icons, .scroll-indicator, .side-text, .mobile-menu) {
  pointer-events: auto;
}

.nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: var(--z-nav);
  display: flex;
  justify-content: center;
  padding: var(--space-6) var(--space-8);
}

.nav__menu-toggle {
  display: none;
  padding: 0;
  border: 0;
  background: transparent;
  font-family: var(--header-font);
  font-size: 12.5px;
  font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--color-white);
  cursor: pointer;
}

.nav__items {
  width: min(100%, 56rem);
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  align-items: center;
  gap: var(--space-10);
}

.nav__group {
  display: flex;
  gap: var(--space-10);
  margin: 0;
  padding: 0;
  list-style: none;
}

.nav__group--left {
  justify-content: flex-end;
}

.nav__group--right {
  justify-content: flex-start;
}

.nav__link {
  font-family: var(--header-font);
  font-size: 12.5px;
  font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--color-white);
  text-decoration: none;
  transition: opacity var(--duration-normal) ease;
}

.nav__link:hover {
  opacity: 0.6;
}

.nav__logo {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--duration-normal) ease;
}

.nav__logo:hover {
  transform: scale(1.1);
}

.nav__logo-img {
  width: 66.12px;
  height: 50px;
  object-fit: contain;
  filter: brightness(0) invert(1);
  display: block;
}

.mobile-menu {
  display: none;
}

.social-icons {
  --social-icon-size: 26px;

  position: fixed;
  top: calc(var(--space-6) + 6px);
  right: 3rem;
  z-index: var(--z-nav);
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.social-icons__link {
  opacity: 0.8;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: opacity var(--duration-normal) ease;
}

.social-icons__link:hover {
  opacity: 1;
}

.social-icons__img {
  width: var(--social-icon-size);
  height: var(--social-icon-size);
  object-fit: contain;
  filter: brightness(0) invert(1);
  display: block;
}

.side-text {
  position: fixed;
  z-index: 90;
  font-family: var(--font-primary);
  font-size: 0.7rem;
  font-weight: var(--weight-medium);
  line-height: 1;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--color-white);
  opacity: 0.88;
  writing-mode: vertical-rl;
}

.side-text--left {
  left: var(--space-6);
  top: 50dvh;
  transform: translateY(-50%) rotate(180deg);
}

.side-text--right {
  right: var(--space-6);
  top: 50dvh;
  transform: translateY(-50%);
}

.mobile-side-text {
  display: none;
}

.scroll-indicator {
  position: fixed;
  right: var(--space-8);
  bottom: var(--space-24);
  z-index: 90;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-primary);
  font-size: 0.7rem;
  font-weight: var(--weight-medium);
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--color-white);
  opacity: 0.92;
  transition: opacity var(--duration-normal) ease;
}

.scroll-indicator__arrow {
  display: inline-flex;
  width: 0.95rem;
  height: 0.95rem;
  animation: scrollBounce 1.5s ease-in-out infinite;
}

.scroll-indicator__arrow svg {
  width: 100%;
  height: 100%;
  display: block;
}

@keyframes scrollBounce {
  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(4px);
  }
}

@media (max-width: 768px) {
  .nav {
    justify-content: flex-end;
    padding: var(--space-4);
    padding-top: calc(var(--space-4) + 1.25rem);
    align-items: center;
  }

  .nav__items {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    width: auto;
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .nav__group {
    display: none;
  }

  .nav__logo {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transform: translateY(4px);
  }

  .nav__logo-img {
    width: 62px;
    height: auto;
  }

  .nav__menu-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    letter-spacing: 0.12em;
    line-height: 1;
    transform: translateY(-2px);
  }

  .mobile-menu {
    position: fixed;
    inset: 0;
    z-index: calc(var(--z-nav) + 10);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: calc(var(--space-4) + 1rem) var(--space-4) var(--space-8);
    background: #2d3197;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 220ms ease, visibility 220ms ease;
  }

  .mobile-menu.is-open {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }

  .mobile-menu__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
  }

  .mobile-menu__nav {
    display: flex;
    flex: 1;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: 1.1rem;
  }

  .mobile-menu__nav-link {
    font-family: var(--header-font);
    font-size: clamp(2.15rem, 7vw, 3.7rem);
    font-weight: var(--weight-medium);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-white);
    text-decoration: none;
    line-height: 0.95;
  }

  .mobile-menu__logo {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .mobile-menu__logo-img {
    width: 58px;
    height: auto;
    display: block;
    filter: brightness(0) invert(1);
  }

  .mobile-menu__close {
    padding: 0;
    border: 0;
    background: transparent;
    color: var(--color-white);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    align-self: flex-start;
    transform: translateY(-3px);
  }

  .mobile-menu__close-icon {
    width: 1.9rem;
    height: 1.9rem;
    display: block;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.9;
    stroke-linecap: round;
  }

  .mobile-menu__socials {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--space-4);
    padding-bottom: var(--space-3);
  }

  .mobile-menu__social-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    opacity: 0.9;
  }

  .mobile-menu__social-icon {
    width: 24px;
    height: 24px;
    object-fit: contain;
    display: block;
    filter: brightness(0) invert(1);
  }

  .social-icons,
  .side-text,
  .scroll-indicator {
    display: none;
  }

  .mobile-side-text {
    position: absolute;
    top: calc(var(--space-4) + 9.8rem);
    left: 50%;
    z-index: 90;
    display: block;
    font-family: var(--font-primary);
    font-size: 1rem;
    font-weight: var(--weight-medium);
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--color-white);
    opacity: 0.88;
    transform: translateX(-50%);
    pointer-events: none;
    text-align: center;
    white-space: nowrap;
  }
}

@media (max-width: 480px) {
  .nav {
    padding-inline: var(--space-4);
  }

  .nav__logo-img {
    width: 56px;
  }

  .nav__menu-toggle {
    font-size: 1rem;
    letter-spacing: 0.1em;
  }

  .mobile-menu {
    padding-inline: var(--space-4);
    padding-bottom: var(--space-6);
  }

  .mobile-menu__logo-img {
    width: 52px;
  }

  .mobile-menu__close {
    padding-right: 0.1rem;
  }

  .mobile-menu__close-icon {
    width: 1.7rem;
    height: 1.7rem;
  }

  .mobile-menu__socials {
    padding-bottom: var(--space-4);
  }

  .mobile-menu__nav-link {
    font-size: clamp(1.9rem, 10vw, 3rem);
  }

  .mobile-side-text {
    top: calc(var(--space-4) + 8.5rem);
    font-size: 0.9rem;
    letter-spacing: 0.18em;
  }
}