/* Infinity Studio — Global site navigation (mega menu + mobile drawer) */

.site-header .header-inner {
  gap: 1rem;
}

.nav-center {
  display: flex;
  align-items: center;
  gap: 0.15rem;
}

.nav-item {
  position: relative;
}

.nav-link,
.nav-trigger {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 14px;
  min-height: 44px;
  font-family: var(--font-body, Inter, system-ui, sans-serif);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-soft, #C5C9D6);
  border-radius: 10px;
  background: transparent;
  border: 0;
  cursor: pointer;
  white-space: nowrap;
  transition:
    color var(--motion-micro, 280ms) var(--ease-premium, ease),
    background var(--motion-micro, 280ms) var(--ease-premium, ease);
}

.nav-link:hover,
.nav-link:focus-visible,
.nav-trigger:hover,
.nav-trigger:focus-visible,
.nav-item.is-open > .nav-trigger {
  color: var(--infinity-white, #fff);
  background: rgba(255, 255, 255, 0.05);
}

.nav-chevron {
  width: 10px;
  height: 10px;
  opacity: 0.7;
  transition: transform 200ms ease;
}

.nav-item.is-open .nav-chevron {
  transform: rotate(180deg);
}

/* Mega panel */
.nav-panel {
  position: absolute;
  top: calc(100% + 10px);
  left: 50%;
  transform: translateX(-50%) translateY(6px);
  min-width: min(92vw, 560px);
  padding: 1.1rem 1.15rem 1.2rem;
  border-radius: 16px;
  border: 1px solid rgba(123, 77, 255, 0.22);
  background: rgba(23, 28, 38, 0.94);
  backdrop-filter: blur(20px) saturate(140%);
  -webkit-backdrop-filter: blur(20px) saturate(140%);
  box-shadow:
    0 24px 60px rgba(0, 0, 0, 0.45),
    0 0 40px rgba(123, 77, 255, 0.08);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition:
    opacity 180ms ease,
    transform 180ms ease,
    visibility 180ms;
  z-index: 1200;
}

.nav-item.is-open > .nav-panel {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}

.nav-panel-programs {
  min-width: min(94vw, 640px);
}

.nav-panel-tools {
  min-width: min(92vw, 520px);
  left: 40%;
}

.nav-panel-results {
  min-width: 280px;
}

.nav-panel-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.15rem 1.5rem;
}

.nav-panel-col {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.nav-panel-label {
  margin: 0 0 0.45rem;
  padding: 0 0.35rem;
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(139, 146, 168, 0.9);
}

.nav-entry {
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 0.55rem 0.7rem;
  align-items: start;
  padding: 0.55rem 0.45rem;
  border-radius: 10px;
  text-decoration: none;
  color: inherit;
  transition: background 180ms ease;
}

.nav-entry:hover,
.nav-entry:focus-visible {
  background: rgba(123, 77, 255, 0.1);
  outline: none;
}

.nav-entry-icon {
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  border: 1px solid rgba(123, 77, 255, 0.25);
  background: rgba(8, 11, 15, 0.55);
  color: #C4B5FD;
}

.nav-entry-icon svg {
  width: 14px;
  height: 14px;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.nav-entry-name {
  display: block;
  font-family: var(--font-display, Sora, system-ui, sans-serif);
  font-size: 0.88rem;
  font-weight: 650;
  color: #F4F5F8;
  letter-spacing: -0.01em;
}

.nav-entry-desc {
  display: block;
  margin-top: 0.12rem;
  font-size: 0.72rem;
  line-height: 1.35;
  color: #8B92A8;
}

.nav-panel-list {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

/* Header right extras */
.header-right {
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav-portal {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 0 12px;
  font-size: 0.78rem;
  font-weight: 650;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #A8AEC4;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  text-decoration: none;
  transition: color 200ms ease, border-color 200ms ease;
}

.nav-portal:hover,
.nav-portal:focus-visible {
  color: #E8EAF0;
  border-color: rgba(123, 77, 255, 0.4);
}

.btn-header {
  text-transform: none;
  letter-spacing: 0;
}

/* Mobile drawer */
.nav-drawer-backdrop {
  display: none;
}

@media (max-width: 980px) {
  .nav-toggle {
    display: inline-flex;
  }

  .nav-center {
    position: fixed;
    inset: var(--nav-h, 70px) 0 0 auto;
    width: min(100%, 380px);
    max-height: calc(100vh - var(--nav-h, 70px));
    overflow-y: auto;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 0.75rem 0.85rem 1.5rem;
    background: rgba(8, 11, 15, 0.97);
    border-left: 1px solid rgba(123, 77, 255, 0.18);
    transform: translateX(104%);
    transition: transform 260ms var(--ease-premium, ease);
    z-index: 1100;
  }

  .nav-center.is-open {
    transform: translateX(0);
  }

  .nav-drawer-backdrop.is-open {
    display: block;
    position: fixed;
    inset: var(--nav-h, 70px) 0 0 0;
    background: rgba(0, 0, 0, 0.45);
    z-index: 1090;
  }

  .nav-item {
    width: 100%;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  }

  .nav-link,
  .nav-trigger {
    width: 100%;
    justify-content: space-between;
    padding: 14px 12px;
    min-height: 48px;
    border-radius: 8px;
  }

  .nav-panel {
    position: static;
    transform: none;
    min-width: 0;
    width: 100%;
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    display: none;
    padding: 0.25rem 0.35rem 0.85rem 0.65rem;
    border: 0;
    background: transparent;
    box-shadow: none;
    backdrop-filter: none;
  }

  .nav-item.is-open > .nav-panel {
    display: block;
    transform: none;
  }

  .nav-panel-grid {
    grid-template-columns: 1fr;
    gap: 0.85rem;
  }

  .nav-panel-tools,
  .nav-panel-programs,
  .nav-panel-results {
    left: auto;
    min-width: 0;
  }

  .nav-entry {
    min-height: 44px;
    padding: 0.65rem 0.4rem;
  }

  .header-right .nav-portal {
    display: none;
  }

  .nav-mobile-actions {
    display: flex;
    flex-direction: column;
    gap: 0.55rem;
    margin-top: 1rem;
    padding-top: 0.75rem;
  }

  .nav-mobile-actions .btn,
  .nav-mobile-actions .nav-portal {
    display: inline-flex;
    justify-content: center;
    width: 100%;
    min-height: 48px;
  }
}

@media (min-width: 981px) {
  .nav-mobile-actions {
    display: none;
  }

  .nav-toggle {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .nav-panel,
  .nav-center,
  .nav-chevron {
    transition: none;
  }
}