/* =========================================================================
   SHARED HEADER BLOCK
   Standalone CSS — replaces css/components/shared-header.css
   Matches SVG design: desktop.svg (1440×76), mobile.svg (375×52)
   ========================================================================= */

/* ---- Base Header ---- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: transparent;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  transition: transform 0.3s ease, background 0.35s ease, backdrop-filter 0.35s ease;
}

/* After scrolling: dark translucent background */
.site-header.scrolled {
  background: rgba(13, 13, 13, 0.75);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.site-header.hidden {
  transform: translateY(-100%);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 52px; /* mobile: 52px per mobile.svg */
  padding-left: 1.25rem;
  padding-right: 1.25rem;
}

@media (min-width: 1024px) {
  .header-inner {
    height: 76px; /* desktop: 76px per desktop.svg */
  }
}

/* ---- Logo ---- */
.logo img {
  height: 1.5rem;
  width: auto;
  filter: brightness(0) invert(1);
}

@media (min-width: 1024px) {
  .logo img {
    height: 2rem;
  }
}

/* ---- Hamburger (mobile) ---- */
.nav-toggle-label {
  display: flex;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  z-index: 1010;
  padding: 0.5rem;
  order: -1; /* hamburger on left per mobile.svg */
}

.nav-toggle-label span {
  display: block;
  width: 24px;
  height: 2px;
  background: #fff;
  transition: all 0.3s ease;
}

/* X animation when open */
.nav-toggle:checked ~ .nav-toggle-label span {
  background: #212121;
}

.nav-toggle:checked ~ .nav-toggle-label span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle:checked ~ .nav-toggle-label span:nth-child(2) {
  opacity: 0;
}

.nav-toggle:checked ~ .nav-toggle-label span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ---- Mobile Nav Menu ---- */
.nav-menu {
  display: none;
  position: fixed;
  top: 52px;
  left: 0;
  right: 0;
  bottom: 0;
  background: #fff;
  flex-direction: column;
  padding: 2rem 1.25rem;
  gap: 0.25rem;
  z-index: 1000;
  overflow-y: auto;
}

.nav-toggle:checked ~ .nav-menu {
  display: flex;
}

/* When menu open: white header bg + dark logo */
.site-header:has(.nav-toggle:checked) {
  height: 100vh;
  height: 100dvh;
  background: #fff;
  backdrop-filter: none;
}

.site-header:has(.nav-toggle:checked) .logo img {
  filter: none;
}

/* Mobile nav links */
.nav-menu > a {
  font-family: var(--font-sans);
  font-size: 1.125rem;
  font-weight: var(--fw-normal);
  color: #212121;
  padding: 0.75rem 0;
  min-height: 44px;
  display: flex;
  align-items: center;
}

.nav-menu > a:hover,
.nav-menu > a.active {
  color: var(--red-2);
}

/* ---- Mobile Dropdown ---- */
.nav-dropdown {
  position: relative;
}

.nav-dropdown-toggle {
  display: none;
}

.nav-dropdown-label {
  font-family: var(--font-sans);
  font-size: 1.125rem;
  font-weight: var(--fw-normal);
  color: #212121;
  padding: 0.75rem 0;
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  user-select: none;
}

.nav-dropdown-label .chevron {
  transition: transform 0.3s ease;
  width: 20px;
  height: 20px;
}

.nav-dropdown-toggle:checked ~ .nav-dropdown-label .chevron {
  transform: rotate(180deg);
}

.nav-dropdown-content {
  display: none;
  flex-direction: column;
  gap: 0.25rem;
  background: #F6FAFF;
  border-radius: 8px;
  padding: 0.75rem 1rem;
  margin-top: 0.25rem;
  margin-bottom: 0.5rem;
}

.nav-dropdown-toggle:checked ~ .nav-dropdown-content {
  display: flex;
}

.nav-dropdown-content a {
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: var(--fw-normal);
  color: #000;
  padding: 0.5rem 0;
  display: flex;
  align-items: center;
}

.nav-dropdown-content a:hover {
  color: var(--red-2);
}

.nav-dropdown-content a.active {
  color: var(--red-2);
}

/* ---- Desktop Nav (≥1024px) ---- */
@media (min-width: 1024px) {
  .nav-toggle-label {
    display: none;
  }

  .nav-menu {
    display: flex;
    position: static;
    flex-direction: row;
    align-items: center;
    background: none;
    padding: 0;
    gap: 2rem;
    overflow-y: visible;
  }

  /* Desktop nav links — gray by default, white on hover/active */
  .nav-menu > a {
    font-size: 1rem;
    color: #9B9898;
    padding: 0;
    letter-spacing: 0.01em;
    line-height: 76px; /* match header height for vertical centering */
  }

  .nav-menu > a:hover,
  .nav-menu > a.active {
    color: #fff;
  }

  /* Desktop dropdown — full height for proper alignment */
  .nav-dropdown {
    display: flex;
    align-items: center;
    height: 76px;
  }

  /* Desktop dropdown label */
  .nav-dropdown-label {
    font-size: 1rem;
    color: #9B9898;
    padding: 0;
    min-height: auto;
    gap: 0.25rem;
    letter-spacing: 0.01em;
    height: 100%;
    display: flex;
    align-items: center;
  }

  .nav-dropdown-label:hover {
    color: #fff;
  }

  /* Disable checkbox toggle on desktop — hover only */
  .nav-dropdown-toggle:checked ~ .nav-dropdown-content {
    display: none;
  }

  /* Desktop dropdown panel — use padding-top to bridge hover gap */
  .nav-dropdown-content {
    position: absolute;
    top: 100%;
    left: -0.75rem;
    background: #1D1D1D;
    border-radius: var(--radius, 8px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    padding: 0.75rem;
    padding-top: calc(0.75rem + 4px);
    min-width: 220px;
    z-index: 120;
    margin: 0;
    /* Invisible bridge to keep hover connected */
    margin-top: 0;
  }

  /* Pseudo-element bridge between label and dropdown panel */
  .nav-dropdown-content::before {
    content: '';
    position: absolute;
    top: -10px;
    left: 0;
    right: 0;
    height: 10px;
    background: transparent;
  }

  .nav-dropdown:hover .nav-dropdown-content {
    display: flex;
  }

  .nav-dropdown-content a {
    color: #8A8A8A;
    padding: 0.375rem 0.5rem;
    border-radius: 4px;
  }

  .nav-dropdown-content a:hover {
    background: rgba(255, 255, 255, 0.08);
    color: #fff;
  }
}

/* ---- CTA Button ---- */
.header-cta {
  display: none;
}

.header-cta.btn-primary {
  background: #D9212E;
  border: none;
  color: #fff;
  padding: 0.5rem 1.25rem;
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: var(--fw-medium, 500);
  border-radius: 8px;
  letter-spacing: 0;
  white-space: nowrap;
  transition: background 0.3s ease, transform 0.2s ease;
}

.header-cta.btn-primary:hover {
  background: #c01b27;
  transform: translateY(-1px);
}

/* Mobile: show small CTA */
@media (min-width: 0px) {
  .header-cta {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
  }
}

@media (min-width: 1024px) {
  .header-cta.btn-primary {
    padding: 0.625rem 1.5rem;
    font-size: 0.875rem;
  }
}