.zac-site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 18px 24px;
}

body.menu-open {
  overflow: hidden;
}

.zac-site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.zac-brand-pill {
  position: relative;
  display: inline-grid;
  align-items: center;
  min-height: 54px;
  padding: 10px 14px 10px 10px;
  background: transparent;
  isolation: isolate;
}

.zac-brand-pill__halo {
  position: absolute;
  inset: -6px -12px -8px -10px;
  background:
    radial-gradient(circle at 16% 50%, rgba(0, 212, 255, 0.18), transparent 38%),
    radial-gradient(circle at 78% 48%, rgba(255, 56, 0, 0.18), transparent 36%),
    radial-gradient(circle at 52% 62%, rgba(255, 210, 0, 0.12), transparent 42%);
  filter: blur(18px);
  opacity: 0.9;
  animation: zac-logo-spectrum 7s linear infinite;
  pointer-events: none;
}

.zac-brand-pill__frame {
  position: absolute;
  inset: 2px 0 0;
  border: 1px solid rgba(0, 212, 255, 0.14);
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 16px 100%, 0 calc(100% - 16px));
  background: linear-gradient(90deg, rgba(0, 212, 255, 0.03), rgba(255, 56, 0, 0.03));
  opacity: 0.95;
  pointer-events: none;
}

.zac-brand-pill__logo,
.zac-brand-pill__text {
  position: relative;
  z-index: 1;
}

.zac-brand-pill__logo {
  width: auto;
  height: auto;
  max-height: 100px;
  object-fit: contain;
  image-rendering: auto;
  filter:
    brightness(1.1)
    saturate(1.15)
    drop-shadow(0 0 10px rgba(0, 212, 255, 0.26))
    drop-shadow(0 0 20px rgba(255, 56, 0, 0.18));
  mix-blend-mode: screen;
}

.zac-brand-pill__text {
  font-family: var(--zac-font-mono);
  font-size: 12px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
}

.zac-menu-toggle,
.zac-menu-panel__close {
  border: 1px solid rgba(255, 255, 255, 0.08);
  background:
    linear-gradient(180deg, rgba(16, 16, 24, 0.9), rgba(5, 5, 7, 0.88));
  color: var(--zac-text);
  backdrop-filter: blur(16px);
}

.zac-menu-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 58px;
  height: 58px;
  padding: 0;
  border-color: rgba(0, 212, 255, 0.14);
  background:
    linear-gradient(180deg, rgba(13, 13, 18, 0.76), rgba(8, 8, 12, 0.58)),
    linear-gradient(135deg, rgba(255, 255, 255, 0.02), transparent 55%);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.04),
    0 16px 32px rgba(0, 0, 0, 0.2);
}

.zac-menu-toggle__bars {
  display: grid;
  gap: 5px;
}

.zac-menu-toggle__bars span {
  display: block;
  width: 22px;
  height: 1px;
  background: var(--zac-text);
  transition: transform 0.25s ease, opacity 0.25s ease;
}

body.menu-open .zac-menu-toggle__bars span:first-child {
  transform: translateY(6px) rotate(44deg);
}

body.menu-open .zac-menu-toggle__bars span:nth-child(2) {
  opacity: 0;
}

body.menu-open .zac-menu-toggle__bars span:last-child {
  transform: translateY(-6px) rotate(-44deg);
}

.zac-menu-panel {
  position: fixed;
  inset: 0;
  z-index: 1100;
  pointer-events: none;
  visibility: hidden;
}

.zac-menu-panel__backdrop {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(5, 5, 7, 0.58), rgba(5, 5, 7, 0.92)),
    radial-gradient(circle at top right, rgba(255, 56, 0, 0.08), transparent 24%);
  backdrop-filter: blur(18px);
  opacity: 0;
  transition: opacity 0.34s ease;
}

.zac-menu-panel__dialog {
  position: relative;
  width: min(1360px, calc(100vw - 28px));
  max-height: calc(100vh - 28px);
  min-height: min(860px, calc(100vh - 28px));
  margin: 14px auto;
  border: 1px solid rgba(0, 212, 255, 0.18);
  background:
    linear-gradient(180deg, rgba(12, 12, 18, 0.98), rgba(5, 5, 7, 0.98)),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02), transparent 50%);
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.025),
    0 40px 120px rgba(0, 0, 0, 0.45),
    0 0 56px rgba(0, 212, 255, 0.05);
  opacity: 0;
  transform: translateY(18px) scale(0.985);
  transition: transform 0.34s ease, opacity 0.34s ease;
  overflow: hidden;
}

.zac-menu-panel.is-active {
  pointer-events: auto;
  visibility: visible;
}

.zac-menu-panel.is-ready .zac-menu-panel__backdrop,
.zac-menu-panel.is-ready .zac-menu-panel__dialog {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.zac-menu-panel__chrome {
  display: flex;
  align-items: center;
  gap: 18px;
  justify-content: space-between;
  padding: 18px 22px 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.zac-menu-panel__chrome-copy {
  display: grid;
  gap: 6px;
}

.zac-menu-panel__eyebrow {
  margin: 0;
  color: var(--zac-neon-cold);
  font-family: var(--zac-font-mono);
  font-size: 9px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
}

.zac-menu-panel__title {
  margin: 0;
  font-family: var(--zac-font-display);
  font-size: clamp(22px, 2.9vw, 38px);
  line-height: 0.92;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.zac-menu-panel__close {
  width: 48px;
  height: 48px;
  font-family: var(--zac-font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
}

.zac-menu-panel__grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 14px;
  align-items: start;
  padding: 18px 22px 22px;
  height: calc(100vh - 110px);
  max-height: calc(100vh - 110px);
  overflow: auto;
}

.zac-menu-module {
  position: relative;
  display: grid;
  gap: 14px;
  min-height: 100%;
  padding: 16px 16px 18px;
  border: 1px solid rgba(255, 255, 255, 0.065);
  background:
    linear-gradient(180deg, rgba(14, 14, 20, 0.88), rgba(6, 6, 9, 0.92)),
    linear-gradient(135deg, rgba(255, 255, 255, 0.03), transparent 45%);
  opacity: 0;
  transform: translateY(18px);
  transition:
    opacity 0.5s ease,
    transform 0.5s ease,
    border-color 0.2s ease,
    box-shadow 0.2s ease;
  transition-delay: calc(var(--panel-index, 0) * 0.05s + 0.08s);
}

.zac-menu-panel.is-ready .zac-menu-module {
  opacity: 1;
  transform: translateY(0);
}

.zac-menu-module:hover,
.zac-menu-module:focus-within {
  border-color: rgba(0, 212, 255, 0.22);
  box-shadow: 0 0 30px rgba(0, 212, 255, 0.05);
}

.zac-menu-module--nav {
  grid-column: span 4;
}

.zac-menu-module--cards {
  grid-column: span 4;
}

.zac-menu-module--chips {
  grid-column: span 4;
}

.zac-menu-module__header {
  display: grid;
  gap: 8px;
  align-content: start;
  display: none;
}

.zac-menu-module__eyebrow {
  margin: 0;
  color: var(--zac-neon-cold);
  font-family: var(--zac-font-mono);
  font-size: 10px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
}

.zac-menu-module__title {
  margin: 0;
  font-family: var(--zac-font-display);
  font-size: clamp(18px, 2vw, 30px);
  line-height: 0.92;
  text-transform: uppercase;
}

.zac-menu-module__description {
  margin: 0;
  color: var(--zac-text-mid);
  font-size: 12px;
  line-height: 1.45;
}

.zac-menu-module__items {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.zac-menu-item__link {
  position: relative;
  display: grid;
  gap: 4px;
  min-height: 100%;
  padding: 12px 14px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.015), transparent),
    rgba(6, 6, 9, 0.34);
  transition:
    transform 0.2s ease,
    border-color 0.2s ease,
    background-color 0.2s ease,
    box-shadow 0.2s ease;
}

.zac-menu-item__link:hover,
.zac-menu-item__link:focus-visible {
  transform: translateY(-2px);
  border-color: rgba(255, 56, 0, 0.24);
  box-shadow: 0 12px 30px rgba(255, 56, 0, 0.08);
}

.zac-menu-item__meta {
  color: var(--zac-neon-hot);
  font-family: var(--zac-font-mono);
  font-size: 9px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
}

.zac-menu-item__title {
  font-family: var(--zac-font-display);
  font-size: clamp(18px, 2.4vw, 38px);
  line-height: 0.9;
  text-transform: uppercase;
}

.zac-menu-item__description {
  color: rgba(240, 235, 224, 0.68);
  font-size: 12px;
  line-height: 1.4;
}

.zac-menu-module--cards .zac-menu-module__items {
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

.zac-menu-module--cards .zac-menu-item__title {
  font-size: clamp(18px, 1.8vw, 26px);
}

.zac-menu-module--chips .zac-menu-module__items {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.zac-menu-module--chips .zac-menu-item__link {
  min-height: 0;
  padding: 10px 14px;
}

.zac-menu-module--chips .zac-menu-item__title {
  font-family: var(--zac-font-mono);
  font-size: 10px;
  letter-spacing: 0.22em;
}

.zac-menu-module--chips .zac-menu-item__description,
.zac-menu-module--chips .zac-menu-item__meta {
  display: none;
}

.zac-menu-module--nav .zac-menu-item__link {
  padding: 14px 16px 16px;
}

.zac-menu-module--nav .zac-menu-item__title {
  font-size: clamp(24px, 2.8vw, 48px);
}

.zac-menu-module--nav .zac-menu-item__description {
  max-width: 26ch;
}

@keyframes zac-logo-spectrum {
  0% {
    filter: hue-rotate(0deg);
    opacity: 0.78;
  }
  50% {
    filter: hue-rotate(35deg);
    opacity: 1;
  }
  100% {
    filter: hue-rotate(0deg);
    opacity: 0.78;
  }
}

@media (max-width: 960px) {
  .zac-site-header {
    padding: 16px 20px;
  }

  .zac-brand-pill {
    min-height: 48px;
    padding: 8px 10px 8px 8px;
  }

  .zac-brand-pill__logo {
    max-height: 100px;
  }

  .zac-menu-toggle {
    width: 56px;
    min-width: 56px;
    padding: 0;
  }

  .zac-menu-panel__chrome {
    padding: 18px 18px 16px;
  }

  .zac-menu-panel__grid {
    grid-template-columns: 1fr;
    gap: 16px;
    padding: 18px;
    height: calc(100vh - 94px);
    max-height: calc(100vh - 94px);
  }

  .zac-menu-panel__dialog {
    width: calc(100vw - 20px);
    min-height: calc(100vh - 20px);
    max-height: calc(100vh - 20px);
    margin: 10px auto;
  }

  .zac-menu-module,
  .zac-menu-module--nav,
  .zac-menu-module--cards,
  .zac-menu-module--chips {
    grid-column: auto;
  }

  .zac-menu-module--nav .zac-menu-item__title {
    font-size: clamp(26px, 8vw, 44px);
  }

  .zac-menu-module--cards .zac-menu-module__items {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .zac-site-header {
    padding: 14px 14px 0;
  }

  .zac-site-header__inner {
    gap: 12px;
  }

  .zac-brand-pill__logo {
    max-height: 70px;
  }

  .zac-menu-panel__title {
    font-size: clamp(20px, 9vw, 30px);
  }

  .zac-menu-module {
    padding: 16px;
  }

  .zac-menu-item__link {
    padding: 12px 14px;
  }
}