/*--------------------------------------------------------------
# Universal Shared SPIE ANDC Navbar & Header System
# Ensures 100% pixel-perfect consistency across all pages
# (Home, About, Events, Teams, Gallery, Glimpses, Contact, Register)
--------------------------------------------------------------*/

:root {
  --color-default: #212529;
  --color-primary: #ce1212;
  --color-secondary: #37373f;
  --font-default: "Open Sans", system-ui, -apple-system, sans-serif;
  --font-secondary: "Inter", sans-serif;
}

/* Header container - locked rigidly across all screen sizes and frameworks */
header#header.header {
  background: #ffffff !important;
  transition: all 0.5s ease !important;
  z-index: 997 !important;
  height: 90px !important;
  border-bottom: 1px solid #eeeeee !important;
  position: fixed !important;
  top: 0 !important;
  left: 0 !important;
  right: 0 !important;
  width: 100% !important;
  display: flex !important;
  align-items: center !important;
  box-sizing: border-box !important;
}

@media (max-width: 575px) {
  header#header.header {
    height: 70px !important;
  }
}

header#header.header.sticked {
  border-color: #eeeeee !important;
  box-shadow: 0px 2px 20px rgba(0, 0, 0, 0.06) !important;
}

/* Constrain header container width identically across all pages (overrides Tailwind .container) */
#header > .container {
  width: 100% !important;
  margin-right: auto !important;
  margin-left: auto !important;
  padding-right: 15px !important;
  padding-left: 15px !important;
  box-sizing: border-box !important;
}

@media (max-width: 1279px) {
  #header > .container {
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
  }
}

/* 3-part layout: [ LOGO ] --- [ CENTERED NAVIGATION ] --- [ JOIN SPIE ] */
@media (min-width: 1280px) {
  #header > .container {
    display: grid !important;
    grid-template-columns: 1fr auto 1fr !important;
    align-items: center !important;
    justify-content: stretch !important;
  }
}

@media (min-width: 576px) {
  #header > .container { max-width: 540px !important; }
}
@media (min-width: 768px) {
  #header > .container { max-width: 720px !important; }
}
@media (min-width: 992px) {
  #header > .container { max-width: 960px !important; }
}
@media (min-width: 1024px) {
  #header > .container { max-width: 960px !important; }
}
@media (min-width: 1200px) {
  #header > .container { max-width: 1140px !important; }
}
@media (min-width: 1280px) {
  #header > .container { max-width: 1240px !important; }
}
@media (min-width: 1400px) {
  #header > .container { max-width: 1320px !important; }
}
@media (min-width: 1536px) {
  #header > .container { max-width: 1320px !important; }
}

/* Logo */
#header .logo {
  line-height: 1 !important;
  flex-shrink: 0 !important;
  display: flex !important;
  align-items: center !important;
  text-decoration: none !important;
}

@media (max-width: 1279px) {
  #header .logo {
    margin-right: auto !important;
  }
}

@media (min-width: 1280px) {
  #header .logo {
    grid-column: 1 !important;
    justify-self: start !important;
    margin: 0 !important;
  }
}

#header .logo img {
  max-height: 40px !important;
  height: 40px !important;
  width: auto !important;
  flex-shrink: 0 !important;
  display: block !important;
  object-fit: contain !important;
  margin-right: 6px !important;
}

/* Desktop Navigation (>= 1280px) */
@media (min-width: 1280px) {
  .navbar {
    grid-column: 2 !important;
    justify-self: center !important;
    margin: 0 auto !important;
    padding: 0 !important;
    display: block !important;
  }

  .navbar ul {
    margin: 0 !important;
    padding: 0 !important;
    display: flex !important;
    list-style: none !important;
    align-items: center !important;
    gap: 0 !important;
  }

  .navbar li {
    position: relative !important;
    list-style: none !important;
  }

  .navbar > ul > li {
    white-space: nowrap !important;
    padding: 10px 0 10px 22px !important;
  }

  .navbar > ul > li:first-child {
    padding-left: 0 !important;
  }

  .navbar a,
  .navbar a:focus {
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
    padding: 0 3px !important;
    font-family: var(--font-secondary, "Inter", sans-serif) !important;
    font-size: 16px !important;
    font-weight: 600 !important;
    color: #7f7f90 !important;
    white-space: nowrap !important;
    transition: 0.3s !important;
    position: relative !important;
    text-decoration: none !important;
    line-height: 1.5 !important;
    background: transparent !important;
  }

  .navbar a i,
  .navbar a:focus i {
    font-size: 12px !important;
    line-height: 0 !important;
    margin-left: 5px !important;
  }

  /* Active / Hover red underline indicator */
  .navbar > ul > li > a:not(.btn-nav-registration):before {
    content: "" !important;
    position: absolute !important;
    height: 2px !important;
    bottom: -6px !important;
    left: 0 !important;
    background-color: var(--color-primary, #ce1212) !important;
    visibility: hidden !important;
    width: 0px !important;
    transition: all 0.3s ease-in-out 0s !important;
  }

  .navbar a:not(.btn-nav-registration):hover:before,
  .navbar li:hover > a:not(.btn-nav-registration):before,
  .navbar a.active:not(.btn-nav-registration):before {
    visibility: visible !important;
    width: 100% !important;
  }

  .navbar a:hover,
  .navbar a.active,
  .navbar a.active:focus,
  .navbar li:hover > a {
    color: #000000 !important;
  }

  /* Dropdown Menu (Teams & Register) */
  .navbar .dropdown ul {
    display: block !important;
    position: absolute !important;
    left: 28px !important;
    top: calc(100% + 30px) !important;
    margin: 0 !important;
    padding: 10px 0 !important;
    z-index: 99 !important;
    opacity: 0 !important;
    visibility: hidden !important;
    background: #ffffff !important;
    box-shadow: 0px 0px 30px rgba(127, 137, 161, 0.25) !important;
    transition: 0.3s !important;
    border-radius: 8px !important;
    border: 1px solid rgba(0, 0, 0, 0.08) !important;
    min-width: 200px !important;
  }

  .navbar .dropdown:hover > ul {
    opacity: 1 !important;
    top: 100% !important;
    visibility: visible !important;
  }

  .navbar .dropdown li {
    min-width: 200px !important;
    padding: 0 !important;
  }

  .navbar .dropdown ul a {
    padding: 10px 20px !important;
    font-size: 14px !important;
    text-transform: none !important;
    font-weight: 500 !important;
    color: #37373f !important;
    display: flex !important;
    align-items: center !important;
    transition: all 0.2s ease !important;
  }

  .navbar .dropdown ul a:hover,
  .navbar .dropdown ul a.active,
  .navbar .dropdown ul li:hover > a {
    color: var(--color-primary, #ce1212) !important;
    background-color: #fdf2f2 !important;
  }

  /* Specific styling for the Register Dropdown button and menu */
  .navbar .nav-btn-item {
    padding-left: 18px !important;
  }

  .navbar .nav-btn-item ul {
    left: auto !important;
    right: 0 !important;
    min-width: 250px !important;
    border-radius: 12px !important;
    padding: 10px !important;
    box-shadow: 0 12px 35px rgba(0, 0, 0, 0.15) !important;
    border: 1px solid rgba(0, 0, 0, 0.08) !important;
  }

  .navbar .nav-btn-item ul li {
    min-width: 220px !important;
  }

  .navbar .nav-btn-item ul a {
    padding: 9px 14px !important;
    border-radius: 8px !important;
    font-size: 14px !important;
    font-weight: 600 !important;
    display: flex !important;
    align-items: center !important;
    transition: all 0.2s ease !important;
  }

  .navbar .nav-btn-item ul a:hover {
    background: #fdf2f2 !important;
    color: var(--color-primary, #ce1212) !important;
    padding-left: 18px !important;
  }
}

/* Register CTA Button in navbar */
.navbar .btn-nav-registration,
.navbar .btn-nav-registration:focus {
  font-family: var(--font-secondary, "Inter", sans-serif) !important;
  font-size: 14px !important;
  font-weight: 600 !important;
  color: #ffffff !important;
  background: var(--color-primary, #ce1212) !important;
  padding: 8px 20px !important;
  border-radius: 50px !important;
  display: inline-flex !important;
  align-items: center !important;
  gap: 6px !important;
  text-decoration: none !important;
  transition: all 0.3s ease !important;
  box-shadow: 0 4px 14px rgba(206, 18, 18, 0.25) !important;
  cursor: pointer !important;
  border: none !important;
  line-height: 1.5 !important;
}

.navbar .btn-nav-registration:before {
  display: none !important;
}

.navbar .btn-nav-registration:hover,
.navbar .dropdown:hover > .btn-nav-registration {
  color: #ffffff !important;
  background: rgba(206, 18, 18, 0.85) !important;
  box-shadow: 0 6px 20px rgba(206, 18, 18, 0.35) !important;
  transform: translateY(-1px) !important;
}

.navbar .btn-nav-registration.active {
  background: #a50e0e !important;
  box-shadow: 0 0 0 2px #fff, 0 0 0 4px var(--color-primary, #ce1212) !important;
}

.navbar .btn-nav-registration .dropdown-indicator {
  font-size: 11px !important;
  color: #ffffff !important;
  margin-left: 2px !important;
  transition: transform 0.3s ease !important;
}

.navbar .dropdown:hover > .btn-nav-registration .dropdown-indicator {
  transform: rotate(180deg) !important;
}

/* Join SPIE Button (CTA) in Header */
#header .btn-book-a-table,
#header .btn-book-a-table:focus {
  font-family: var(--font-secondary, "Inter", sans-serif) !important;
  font-size: 14px !important;
  font-weight: 600 !important;
  color: #ffffff !important;
  background: var(--color-primary, #ce1212) !important;
  padding: 8px 20px !important;
  border-radius: 50px !important;
  transition: 0.3s ease !important;
  display: inline-flex !important;
  align-items: center !important;
  gap: 6px !important;
  text-decoration: none !important;
  border: none !important;
  box-shadow: none !important;
  line-height: 1.5 !important;
  white-space: nowrap !important;
}

@media (min-width: 1280px) {
  #header .btn-book-a-table {
    grid-column: 3 !important;
    justify-self: end !important;
    margin: 0 !important;
  }
}

@media (max-width: 1279px) {
  #header .btn-book-a-table {
    margin-left: 10px !important;
    margin-right: 10px !important;
  }
}

#header .btn-book-a-table:hover,
#header .btn-book-a-table:focus:hover {
  color: #ffffff !important;
  background: rgba(206, 18, 18, 0.85) !important;
}

@media (max-width: 768px) {
  #header .btn-book-a-table,
  #header .btn-book-a-table:focus {
    font-size: 12px !important;
    padding: 6px 14px !important;
    margin-left: 6px !important;
    margin-right: 6px !important;
  }
}

/* Mobile Nav Toggle Icons */
.mobile-nav-show,
.mobile-nav-hide {
  color: var(--color-secondary, #37373f) !important;
  cursor: pointer !important;
  line-height: 0 !important;
  transition: 0.5s !important;
  z-index: 9999 !important;
}

.mobile-nav-show {
  font-size: 28px !important;
  margin: 0 10px 0 20px !important;
}

.mobile-nav-hide {
  font-size: 32px !important;
  position: fixed !important;
  right: 20px !important;
  top: 20px !important;
}

@media (min-width: 1280px) {
  .mobile-nav-show,
  .mobile-nav-hide {
    display: none !important;
  }
}

/* Mobile Navigation Drawer (< 1280px) */
@media (max-width: 1279px) {
  .navbar {
    position: fixed !important;
    top: 0 !important;
    right: -100% !important;
    width: 100% !important;
    max-width: 400px !important;
    border-left: 1px solid #eeeeee !important;
    bottom: 0 !important;
    transition: 0.3s ease !important;
    z-index: 9997 !important;
    background: transparent !important;
  }

  .navbar ul {
    position: absolute !important;
    inset: 0 !important;
    padding: 50px 0 10px 0 !important;
    margin: 0 !important;
    background: rgba(255, 255, 255, 0.98) !important;
    overflow-y: auto !important;
    transition: 0.3s ease !important;
    z-index: 9998 !important;
    list-style: none !important;
  }

  .navbar a,
  .navbar a:focus {
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
    padding: 10px 20px !important;
    font-family: var(--font-secondary, "Inter", sans-serif) !important;
    border-bottom: 2px solid rgba(0, 0, 0, 0.05) !important;
    font-size: 16px !important;
    font-weight: 600 !important;
    color: #7f7f90 !important;
    white-space: nowrap !important;
    transition: 0.3s !important;
    text-decoration: none !important;
  }

  .navbar a:hover,
  .navbar li:hover > a {
    color: #000000 !important;
  }

  .navbar a.active,
  .navbar a.active:focus {
    color: var(--color-primary, #ce1212) !important;
    border-color: var(--color-primary, #ce1212) !important;
  }

  .mobile-nav-active {
    overflow: hidden !important;
  }

  .mobile-nav-active .navbar {
    right: 0 !important;
  }

  .mobile-nav-active .navbar:before {
    content: "" !important;
    position: fixed !important;
    inset: 0 !important;
    background: rgba(0, 0, 0, 0.4) !important;
    z-index: 9996 !important;
  }

  .navbar .nav-btn-item {
    padding: 12px 20px !important;
  }

  .navbar .btn-nav-registration {
    width: calc(100% - 40px) !important;
    margin: 10px 20px !important;
    justify-content: center !important;
    padding: 10px 20px !important;
    font-size: 15px !important;
  }

  .navbar .dropdown ul {
    position: static !important;
    display: none !important;
    z-index: 99 !important;
    padding: 10px 0 !important;
    margin: 10px 20px !important;
    background: #ffffff !important;
    box-shadow: none !important;
    border: 1px solid #f0f0f0 !important;
    transition: 0.3s !important;
    border-radius: 8px !important;
  }

  .navbar .dropdown > .dropdown-active {
    display: block !important;
    opacity: 1 !important;
    visibility: visible !important;
  }

  .navbar .dropdown ul a {
    padding: 10px 20px !important;
    font-size: 15px !important;
    text-transform: none !important;
    font-weight: 600 !important;
  }

  .navbar .dropdown ul a:hover,
  .navbar .dropdown ul a.active,
  .navbar .dropdown ul li:hover > a {
    color: var(--color-primary, #ce1212) !important;
  }
}