/* ============================================================
   HEADER & NAVIGATION — Graphics Innovator Theme
   ============================================================ */
.gi-header {
  position: fixed;        /* FIX: was 'absolute' — caused header to overlap content on inner pages */
  top: 0;
  left: 0;
  width: 100%;
  height: var(--gi-header-height);
  background: linear-gradient(180deg, rgba(6, 15, 29, 0.98) 0%, rgba(5, 12, 24, 0.94) 100%);
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  z-index: var(--gi-z-sticky);
  transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
  border-bottom: 1px solid rgba(148, 163, 184, 0.12);
  box-shadow: 0 10px 34px rgba(0, 0, 0, 0.22);
}

/* On scroll: darker & with shadow */
.gi-header.gi-sticky {
  background: rgba(5, 12, 24, 0.98);
  border-bottom: 1px solid rgba(148, 163, 184, 0.18);
  box-shadow: 0 16px 42px rgba(0, 0, 0, 0.42);
}

.gi-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: clamp(1.25rem, 3vw, 3rem);
  padding-block: 10px;
}

/* Logo */
.gi-logo-wrap,
.custom-logo-link,
.gi-site-logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}
.gi-logo-wrap {
  padding: 0 !important;
}
.custom-logo,
.gi-site-logo img {
  height: clamp(68px, 5.4vw, 86px);
  width: auto;
  max-width: min(360px, 42vw);
  object-fit: contain;
  padding-top: 0;
  padding-bottom: 0;
  transition: all 0.3s ease;
}
.gi-header.gi-sticky .custom-logo,
.gi-header.gi-sticky .gi-site-logo img {
  height: clamp(68px, 5.4vw, 86px);
  padding-top: 0;
  padding-bottom: 0;
}
.gi-logo-text {
  font-size: var(--gi-text-xl);
  font-weight: 800;
  color: var(--gi-white);
  letter-spacing: -0.02em;
}

/* Desktop Navigation */
.gi-nav {
  display: flex;
  align-items: center;
  gap: clamp(1.4rem, 2.4vw, 2.8rem);
  min-width: 0;
}

.gi-menu {
  display: flex;
  align-items: center;
  gap: clamp(1.1rem, 1.6vw, 1.8rem);
  margin: 0;
  padding: 0;
  list-style: none;
}

.gi-menu-item {
  position: relative;
}

.gi-menu-link {
  font-size: 0.94rem;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.86);
  display: flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.75rem 0;
  transition: color 0.2s, opacity 0.2s;
  white-space: nowrap;
}

.gi-menu-link:hover,
.gi-menu-item--active > .gi-menu-link {
  color: var(--gi-accent);
}

.gi-menu-chevron {
  transition: transform 0.2s;
  width: 14px;
  height: 14px;
  color: rgba(255,255,255,0.5);
}
.gi-menu-item:hover > .gi-menu-link .gi-menu-chevron {
  transform: rotate(180deg);
  color: var(--gi-accent);
}

/* Submenu Dropdown */
.gi-submenu {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  min-width: 220px;
  background: rgba(8, 20, 38, 0.98);
  border: 1px solid rgba(148,163,184,0.16);
  border-radius: var(--gi-radius-md);
  box-shadow: 0 16px 40px rgba(0,0,0,0.5);
  padding: var(--gi-space-2) 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: all 0.2s cubic-bezier(0.4,0,0.2,1);
  z-index: var(--gi-z-dropdown);
  list-style: none;
  margin: 0;
}
.gi-menu-item:hover > .gi-submenu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.gi-submenu .gi-menu-link {
  color: rgba(255,255,255,0.7);
  padding: var(--gi-space-3) var(--gi-space-5);
  font-size: var(--gi-text-sm);
}
.gi-submenu .gi-menu-link:hover,
.gi-submenu .gi-menu-item--active > .gi-menu-link {
  color: var(--gi-accent);
  background: rgba(255,255,255,0.04);
}

/* Header CTA Button */
.gi-header-cta {
  display: block;
  flex-shrink: 0;
}
.gi-header-cta .gi-btn {
  padding: 0.82rem 1.45rem;
  font-size: 0.82rem;
}

/* Mobile Toggle */
.gi-mobile-toggle {
  display: none;
  background: transparent;
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: var(--gi-radius);
  color: var(--gi-white);
  cursor: pointer;
  padding: 6px;
  line-height: 0;
  transition: var(--gi-transition-fast);
}
.gi-mobile-toggle:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.4);
}

@media (min-width: 1200px) {
  .gi-header .custom-logo,
  .gi-header .gi-site-logo img,
  .gi-header.gi-sticky .custom-logo,
  .gi-header.gi-sticky .gi-site-logo img {
    height: clamp(68px, 5.4vw, 86px) !important;
    max-width: min(360px, 42vw) !important;
  }
}

@media (max-width: 1199px) {
  .custom-logo,
  .gi-site-logo img {
    height: 66px;
    max-width: 310px;
  }
  .gi-menu {
    gap: 1rem;
  }
  .gi-menu-link {
    font-size: 0.86rem;
  }
  .gi-nav {
    gap: 1.25rem;
  }
  .gi-header-cta .gi-btn {
    padding: 0.72rem 1.15rem;
  }
  .gi-header.gi-sticky .custom-logo,
  .gi-header.gi-sticky .gi-site-logo img {
    height: 66px;
  }
}

@media (max-width: 991px) {
  .gi-header-inner {
    padding-block: 8px;
  }
  .custom-logo,
  .gi-site-logo img {
    height: 56px;
    max-width: 250px;
  }
  .gi-header.gi-sticky .custom-logo,
  .gi-header.gi-sticky .gi-site-logo img {
    height: 56px;
  }
}

@media (max-width: 479px) {
  .custom-logo,
  .gi-site-logo img {
    height: 50px;
    max-width: 220px;
  }
  .gi-header.gi-sticky .custom-logo,
  .gi-header.gi-sticky .gi-site-logo img {
    height: 50px;
  }
}