/* 
 * Layout CSS
 * Header, Footer, Navigation, Grids
 */

/* =========================================
   HEADER & NAVIGATION
   ========================================= */
.site-header {
  background-color: rgba(20, 14, 14, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  position: fixed;
  width: calc(100% - 40px);
  max-width: 1200px;
  top: 15px;
  left: 50%;
  transform: translateX(-50%);
  border-radius: 50px;
  z-index: 1000;
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  padding: 8px 22px 8px 12px;
  border: 1px solid rgba(212, 175, 55, 0.3);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
}

.site-header.scrolled {
  background-color: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  top: 12px;
  padding: 6px 22px 6px 12px;
  box-shadow: 0 15px 40px rgba(0,0,0,0.12);
  border: 1px solid rgba(212, 175, 55, 0.25);
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
}

.logo a {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-primary);
  text-decoration: none;
}

.logo img {
  height: 64px;
  width: auto;
  max-width: 215px;
  border-radius: 50px;
  object-fit: contain;
  background-color: #ffffff;
  padding: 4px 14px;
  box-shadow: none;
  border: none;
  transition: transform 0.3s ease;
}

.logo img:hover {
  transform: scale(1.04);
  box-shadow: none;
}

/* Desktop Nav */
.main-nav ul {
  display: flex;
  list-style: none;
  gap: var(--space-4);
  align-items: center;
}

@media (min-width: 992px) and (max-width: 1199px) {
  .site-header {
    width: calc(100% - 30px);
    padding: 6px 16px;
  }
  .main-nav ul {
    gap: 12px;
  }
  .main-nav a {
    font-size: 0.88rem;
  }
  .site-header .main-nav .btn {
    padding: 8px 18px !important;
    font-size: 0.88rem;
  }
  .logo img {
    height: 52px;
    max-width: 175px;
  }
}

.site-header .main-nav .btn {
  border-radius: 50px !important;
  padding: 10px 24px !important;
  font-weight: 600;
  letter-spacing: 0.5px;
}

.main-nav a {
  color: var(--color-dark);
  font-weight: 600;
  position: relative;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
}

.main-nav a:hover,
.main-nav a.active {
  color: var(--color-primary);
}

.main-nav a:not(.btn)::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-accent);
  transition: var(--transition-base);
}

.main-nav a:not(.btn):hover::after,
.main-nav a.active:not(.btn)::after {
  width: 100%;
}

/* Dropdown Menu */
.has-dropdown {
  position: relative;
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 250px;
  background-color: var(--color-white);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  border-radius: var(--radius-base);
  padding: var(--space-2) 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  z-index: 1001;
  border: 1px solid rgba(0, 0, 0, 0.05);
}

.has-dropdown:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-menu li {
  width: 100%;
}

.dropdown-menu a {
  display: block;
  padding: 10px 20px;
  color: var(--color-dark) !important; /* Ensure it stays dark even on transparent headers */
  font-weight: 500;
  font-size: 0.9rem;
}

.dropdown-menu a:hover {
  background-color: var(--color-cream);
  color: var(--color-accent) !important;
}

.dropdown-menu a::after {
  display: none;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.hamburger {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-primary);
  position: relative;
  transition: var(--transition-base);
}

.hamburger::before,
.hamburger::after {
  content: '';
  position: absolute;
  width: 24px;
  height: 2px;
  background-color: var(--color-primary);
  left: 0;
  transition: var(--transition-base);
}

.hamburger::before { top: -8px; }
.hamburger::after { bottom: -8px; }

.mobile-menu-toggle.is-active .hamburger { background-color: transparent; }
.mobile-menu-toggle.is-active .hamburger::before { transform: rotate(45deg); top: 0; }
.mobile-menu-toggle.is-active .hamburger::after { transform: rotate(-45deg); bottom: 0; }

/* Responsive Overrides (Mobile & Tablet Breakpoints) */
@media (max-width: 991px) {
  .site-header {
    width: calc(100% - 24px);
    top: 10px;
    padding: 8px 16px;
    border-radius: 40px;
  }
  
  .logo img {
    height: 48px;
    max-width: 160px;
    border-radius: 50px;
    padding: 4px 12px;
  }

  .mobile-menu-toggle {
    display: block;
  }
  
  .main-nav {
    position: absolute;
    top: calc(100% + 10px);
    left: 0;
    width: 100%;
    max-height: calc(100vh - 90px);
    max-height: calc(100dvh - 90px);
    overflow-y: auto;
    overflow-x: hidden;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
    scrollbar-width: none; /* Hide scrollbar line in Firefox */
    -ms-overflow-style: none; /* Hide scrollbar line in IE and Edge */
    background: rgba(20, 14, 14, 0.98);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border-radius: 20px;
    box-shadow: 0 16px 40px rgba(0,0,0,0.6), 0 0 20px rgba(212, 175, 55, 0.15);
    border: 1px solid rgba(212, 175, 55, 0.35);
    transform: translateY(-10px);
    opacity: 0;
    visibility: hidden;
    transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
    z-index: 1001;
  }
  
  .main-nav::-webkit-scrollbar {
    display: none;
    width: 0;
    height: 0;
  }
  
  .main-nav.is-open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }
  
  .main-nav ul {
    flex-direction: column;
    padding: 14px 16px 18px;
    gap: 4px;
    width: 100%;
  }

  .main-nav li {
    width: 100%;
  }

  .site-header .main-nav a:not(.btn),
  .site-header:not(.scrolled) .main-nav a:not(.btn),
  .site-header.scrolled .main-nav a:not(.btn) {
    color: #f7f3ee !important;
    font-size: 1.05rem;
    font-weight: 600;
    padding: 10px 14px;
    display: flex;
    align-items: center;
    border-radius: 10px;
    transition: all 0.25s ease;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    text-shadow: 0 1px 4px rgba(0, 0, 0, 0.6);
  }

  .site-header .main-nav a:not(.btn):hover,
  .site-header:not(.scrolled) .main-nav a:not(.btn):hover,
  .site-header .main-nav a.active,
  .site-header:not(.scrolled) .main-nav a.active {
    color: var(--color-gold) !important;
    background: rgba(212, 175, 55, 0.14);
    border-left: 3px solid var(--color-gold);
    padding-left: 18px;
  }

  .main-nav a:not(.btn)::after {
    display: none !important;
  }

  .site-header .main-nav .btn,
  .site-header:not(.scrolled) .main-nav .btn,
  .site-header.scrolled .main-nav .btn {
    width: 100%;
    margin-top: 10px;
    padding: 12px 20px;
    font-size: 1.02rem;
    text-align: center;
    justify-content: center;
    color: #ffffff !important;
    background-color: var(--color-primary) !important;
    border-radius: 50px !important;
    border-bottom: none;
    border-left: none;
    box-shadow: 0 4px 15px rgba(179, 27, 27, 0.4);
  }

  .site-header .main-nav .btn:hover {
    background-color: var(--color-primary-dark) !important;
    color: #ffffff !important;
    transform: translateY(-2px);
  }
  
  .has-dropdown .dropdown-menu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border: none;
    background: transparent;
    padding: 8px 0 0 16px;
  }
  
  .dropdown-menu a {
    padding: 6px 0;
  }
  
  .section-padding {
    padding: 34px 0;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 26px;
  }
}

@media (max-width: 576px) {
  .site-header {
    width: calc(100% - 16px);
    top: 8px;
    padding: 6px 12px;
  }

  .logo img {
    height: 42px;
    max-width: 140px;
    padding: 3px 8px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
}

/* Make desktop header links white over dark banners when transparent */
@media (min-width: 992px) {
  .site-header:not(.scrolled) .logo a,
  .site-header:not(.scrolled) .main-nav a {
      color: var(--color-white);
  }
}

/* =========================================
   MUSEUM CARDS (Upscale Aesthetic)
   ========================================= */
.card-museum {
    background: transparent;
    border: none;
    border-radius: 0;
    box-shadow: none;
    border-bottom: 1px solid rgba(0,0,0,0.1);
    padding-bottom: var(--space-4);
    transition: var(--transition-base);
}

.card-museum:hover {
    box-shadow: none;
    transform: translateY(-5px);
    border-bottom-color: var(--color-accent);
}

.card-museum .card-image {
    border-radius: 0;
    height: 300px;
    margin-bottom: var(--space-3);
}

.card-museum .card-content {
    padding: 0;
}

.card-museum h3 {
    font-size: 1.5rem;
    font-weight: 400;
    letter-spacing: -0.01em;
}

/* =========================================
   FOOTER
   ========================================= */
.site-footer {
  background-color: var(--color-dark);
  color: var(--color-cream);
  padding: 45px 0 20px;
  position: relative;
  overflow: hidden;
}

.site-footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent), var(--color-gold));
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.2fr;
  gap: clamp(20px, 3vw, 40px);
  margin-bottom: 35px;
}

.footer-brand {
  max-width: 320px;
}

.footer-logo-img {
  height: 65px;
  width: auto;
  max-width: 220px;
  border-radius: 40px;
  object-fit: contain;
  background-color: #ffffff;
  padding: 6px 14px;
  margin-bottom: 20px;
  display: inline-block;
  transition: transform 0.3s ease;
}

.footer-logo-img:hover {
  transform: scale(1.03);
}

.footer-brand p {
  color: rgba(255,255,255,0.78);
  font-size: 0.92rem;
  line-height: 1.6;
}

.footer-col h4 {
  color: var(--color-gold);
  margin-bottom: 18px;
  font-size: 1.05rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-family: var(--font-heading);
}

.footer-col p {
  color: rgba(255,255,255,0.75);
  font-size: 0.92rem;
  line-height: 1.6;
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links li {
  margin-bottom: 10px;
}

.footer-links a {
  color: rgba(255,255,255,0.75);
  transition: var(--transition-base);
  display: inline-block;
  font-size: 0.92rem;
}

.footer-links a:hover {
  color: var(--color-gold);
  transform: translateX(4px);
}

.footer-socials {
  display: flex;
  gap: 12px;
  margin-top: 20px;
}

.footer-socials a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(255,255,255,0.08);
  color: var(--color-white);
  transition: var(--transition-base);
  border: 1px solid rgba(255,255,255,0.12);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.85rem;
}

.footer-socials a:hover {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
  transform: translateY(-3px);
}

.footer-bottom {
  text-align: center;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.85rem;
  color: rgba(255,255,255,0.55);
}

/* Footer Responsive Overrides */
@media (max-width: 991px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px 24px;
  }
  .footer-brand {
    max-width: 100%;
    grid-column: span 2;
  }
}

@media (max-width: 576px) {
  .site-footer {
    padding: 35px 0 15px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 26px;
  }
  .footer-brand {
    grid-column: span 1;
  }
  .footer-logo-img {
    height: 52px;
    max-width: 180px;
    padding: 4px 10px;
  }
  .footer-col h4 {
    margin-bottom: 12px;
  }
}

/* =========================================
   LAYOUT & GRIDS
   ========================================= */

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(18px, 2.5vw, 28px);
}

@media (max-width: 768px) {
  .grid-2 {
    grid-template-columns: 1fr;
  }
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(18px, 2.5vw, 28px);
}

@media (max-width: 991px) {
  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 576px) {
  .grid-3 {
    grid-template-columns: 1fr;
  }
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(16px, 2vw, 24px);
}

@media (max-width: 1199px) {
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 576px) {
  .grid-4 {
    grid-template-columns: 1fr;
  }
}

/* Bento Grid */
.bento-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-4);
  grid-auto-rows: minmax(350px, auto);
}

/* =========================================
   CARDS
   ========================================= */
.card-elevated {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-base);
  transition: var(--transition-smooth);
  display: flex;
  flex-direction: column;
  position: relative;
  border: 1px solid rgba(139, 30, 30, 0.05);
  height: 100%;
}

.card-elevated:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-hover);
}

.card-image {
  position: relative;
  height: 240px;
  background-color: var(--color-gray-light);
  background-size: cover;
  background-position: center;
}

.card-image .badge {
  position: absolute;
  top: var(--space-3);
  right: var(--space-3);
}

.card-content {
  padding: var(--space-4);
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.card-content h3 {
  font-size: 1.4rem;
  margin-bottom: var(--space-2);
}

.card-meta {
  font-size: 0.9rem;
  color: var(--color-gray-mid);
  margin-bottom: var(--space-3);
  font-weight: 500;
}

.btn-text {
  margin-top: auto;
  font-weight: 600;
  display: inline-block;
  color: var(--color-accent);
  transition: var(--transition-base);
}

.btn-text:hover {
  color: var(--color-primary);
  transform: translateX(4px);
}

.align-center {
  align-items: center;
}

/* Elegant Theatrical Page Header Banner for all sub-pages */
.page-header {
  background-image: linear-gradient(180deg, rgba(14,8,8,0.74) 0%, rgba(20,10,10,0.86) 100%), url('../images/banner-about.jpg');
  background-size: cover;
  background-position: center;
  border-bottom: 3px solid var(--color-gold);
  position: relative;
  
  /* Expansive Theatrical Banner Height & Breathing Room */
  min-height: clamp(340px, 32vw, 420px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding-top: clamp(140px, 14vw, 170px); /* Generous clearance below fixed floating header */
  padding-bottom: clamp(45px, 5vw, 65px);
  overflow: hidden;
}

.page-header h1 {
  font-family: var(--font-heading);
  color: var(--color-white);
  font-size: clamp(2.4rem, 5vw, 3.8rem);
  letter-spacing: 1.5px;
  margin-bottom: var(--space-2);
  text-shadow: 0 4px 18px rgba(0,0,0,0.6);
}

.page-header p {
  max-width: 720px;
  margin: 0 auto;
  color: rgba(255,255,255,0.95);
  font-size: clamp(1.05rem, 1.8vw, 1.2rem);
  line-height: 1.7;
  text-shadow: 0 2px 10px rgba(0,0,0,0.5);
}

@media (max-width: 768px) {
  .page-header {
    min-height: 270px;
    padding-top: 115px; /* Offset for mobile floating header */
    padding-bottom: 35px;
  }
}

/* =========================================
   PARALLAX EFFECTS
   ========================================= */
.parallax-section {
  position: relative;
  overflow: hidden;
}

.parallax-layer {
  position: absolute;
  top: -10%;
  left: 0;
  width: 100%;
  height: 120%; /* Allow room to move */
  pointer-events: none;
  z-index: 0;
  background-size: cover;
  background-position: center;
  will-change: transform;
}