/* Global Font Setup */
body {
    font-family: "Inter", "Nunito", "Lato", sans-serif;
    font-size: 18px;
    line-height: 1.5;
    background-color: #f4f4f4;
    color: #333;
    margin: 0;
    padding: 0;
}

/* Headings */
h1, h2, h3, h4 {
    font-weight: 700;
}

/* Paragraphs & General Text */
p {
    font-weight: 400;
    font-size: 18px;
    color: #444;
}

/* Navbar */
.navbar {
    font-family: "Inter", sans-serif;
    padding: 15px 0;
    background: #005fa3 !important;
    background-color: #005fa3 !important;
    box-shadow: 0px 4px 8px rgba(0, 0, 0, 0.2);
}

.navbar-brand, .nav-link {
    color: #fff !important;
    font-weight: bold;
}

.navbar-nav .nav-item {
    margin-right: 20px; /* Adds uniform spacing */
}


.navbar-nav .nav-item a:hover {
    color: #ffcc00 !important;
    transform: scale(1.1);
    text-shadow: 2px 2px 5px rgba(128, 128, 128, 0.5) !important; /* Soft grey shadow */
    transition: 0.3s ease-in-out;
}

.nav-link i {
    margin-right: 10px; /* Adds space after the icon */
    display: inline-block; /* Ensures spacing behaves correctly */
}


.nav-link {
    transition: transform 0.3s ease-in-out;
}

.nav-link:hover {
    transform: scale(1.1);
}

.navbar input[type="search"] {
  border-radius: 4px;
  border: none;
  padding: 4px 8px;
  font-size: 14px;
}

.navbar form {
  max-width: 300px;
  flex-shrink: 1;
}

@media (max-width: 991.98px) {
  .mobile-search {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    z-index: 1050; /* Above most content but below modals */
    background-color: #005fa3;
    padding: 10px 15px;
    box-shadow: 0 -2px 6px rgba(0, 0, 0, 0.2);
  }

  .mobile-search input {
    background-color: #ffffff;
    color: #fff;
    border: none;
    border-radius: 4px;
    font-size: 14px;
  }

  .mobile-search .input-group-text {
    background: transparent;
    border: none;
    cursor: pointer;
  }

  body {
    padding-bottom: 70px; /* Make room for the sticky search bar */
  }
}



/* Hero Section */
.hero {
    position: relative;
    text-align: center;
    padding: 100px 20px;
    background: url('assets/images/hero.png') no-repeat center center / cover;
    color: white;
}

.hero h1 {
    font-size: 48px;
    color: #fff;
    text-shadow: 2px 2px 10px rgba(0, 0, 0, 0.5);
}

.hero p {
    font-size: 22px;
    color: #f4f4f4;
    max-width: 700px;
    margin: 0 auto;
}

.hero .container {
    background: rgba(0, 0, 0, 0.6);
    padding: 20px;
    border-radius: 8px;
}

/* Footer */
.footer {
    text-align: center;
    padding: 20px;
    background: #333;
    color: #ddd;
    font-size: 16px;
}

.footer p {
    text-align: center;
    color: #ddd;
    font-size: 16px;
}

/* Featured Exhibits Section */
.exhibits {
    padding: 60px 20px;
    background: #f4f4f4 !important;
    text-align: center;
}

.exhibits h2 {
    font-size: 32px;
    margin-bottom: 40px;
}

/* Exhibit Navigation Buttons */
.exhibit-nav {
    margin-bottom: 50px;
}

.exhibit-nav .btn {
    margin: 5px;
    background-color: #f0d647;
    color: #000;
    border: none;
    font-size: 18px;
    font-weight: 500;
    padding: 10px 20px;
    transition: background 0.3s, transform 0.2s;
}

.exhibit-nav .btn:hover {
    background-color: #db8f03;
    font-weight: bold;
    transform: scale(1.05);
}

/* Responsive Exhibit Card Layout */
.exhibit-container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    max-width: 1200px;
    margin: auto;
}

/* Exhibit Cards */
.exhibit-card {
    width: 100%;
    min-width: 300px;
    padding: 20px;
    border: 2px solid #ddd;
    border-radius: 10px;
    background: #fff;
    box-shadow: 0px 4px 8px rgba(0, 0, 0, 0.2);
    text-align: center;
    transition: transform 0.3s ease-in-out;
    perspective: 1000px; /* Added flip effect here */
    overflow: hidden; /* Prevents overflow */
    position: relative; /* Ensures card layers stay inside */
}

.exhibit-card:hover {
    transform: scale(1.03);
}

.exhibit-card:hover .card-inner {
    transform: rotateY(180deg);
}

/* Exhibit Card Image */
.exhibit-card img {
    height: 300px;
    width: 100%;
    object-fit: contain;
    border-radius: 5px;
}

/* Year Formatting */
.exhibit-card .year {
    font-weight: bold;
}

/* Wrapper */
.wrapper {
    max-width: 1200px;
    margin: auto;
}

/*FLIP*/
.card-inner {
    width: 100%;
    height: auto;
    transition: transform 0.6s;
    transform-style: preserve-3d;
    position: relative;
}


.card-front, .card-back {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
    border-radius: 10px;
    background: #fff;
}

/* Ensure Flip Animation Works */
.card-back {
    transform: rotateY(180deg);
}

.exhibit-card.flipped .card-inner {
    transform: rotateY(180deg);
}


/* FlipCard */
.flip-card {
    width: 100%;
    height: auto; /* Allow the card to expand based on content */
    perspective: 1000px;
}

.flip-card-inner {
    width: 100%;
    height: 100%;
    min-height: 510px; /* Set a minimum height to prevent shrinking */
    position: relative;
    transition: transform 0.6s;
    transform-style: preserve-3d;
}

.flip-card-front,
.flip-card-back {
    width: 100%;
    height: 100%;
    min-height: 350px; /* Ensure enough space for content */
    position: absolute;
    backface-visibility: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 15px;
    text-align: center;
}

.flip-card-front {
    background: #fff;
    border: 1px solid #ccc;
}

.flip-card-back {
    transform: rotateY(180deg);
}

.flip-card:hover .flip-card-inner {
    transform: rotateY(180deg);
}


.timeline-g-title {
    text-align: center;
    width: 100%;
    margin: 20px auto; /* Adds spacing */
}


/* Timeline Section */
.timeline {
    padding: 60px 20px;
    background: #f4f4f4;
}

.timeline-item {
    display: none;
    align-items: center;
    gap: 0px;
    background: white;
    padding: 20px;
    border-left: 5px solid #0077cc;
    opacity: 0;
    transform: translateX(-100%);
    transition: transform 0.5s ease, opacity 0.5s ease;
}

.timeline-item.active {
    display: flex;
    opacity: 1;
    transform: translateX(0);
}



/* Timeline Graph */
.timeline-graph {
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
    width: 100%;
    margin: 30px auto;
    padding: 30px 0;
   
}

.timeline-graph::before {
    content: "";
    position: absolute;
    top: 50%;
    left: 0;
    width: 100%;
    height: 1px;
    background-color: #0077cc;
    transform: translateY(-50%);
}

/* Timeline Nodes */
.timeline-node {
    width: 20px;
    height: 20px;
    background-color: #0077cc; /* Default Blue */
    border-radius: 50%;
    position: relative;
    z-index: 1;
    transition: transform 0.3s ease-in-out;
}

/* Outer circle effect */
.timeline-node::before {
    content: "";
    position: absolute;
    width: 35px; /* Larger than the inner dot */
    height: 35px;
    border: 2px solid #cc0033; /* Red outline */
    border-radius: 50%;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0); /* Initially hidden */
    transition: transform 0.3s ease-in-out;
}

/* Show outer circle on hover */
.timeline-node:hover::before {
    transform: translate(-50%, -50%) scale(1);
}

/* Keep outer circle visible when clicked */
.timeline-node.clicked::before {
    transform: translate(-50%, -50%) scale(1);
}

/* Ensure year appears below the dot */
.timeline-node::after {
    content: attr(data-year); /* Uses the year from HTML */
    position: absolute;
    top: 30px; /* Adjust downward */
    left: 50%;
    transform: translateX(-50%);
    font-size: 16px;
    font-weight: bold;
    color: #333;
}

.timeline h4 {
    text-align: center;
    display: block;
    margin: 20px auto;
}

.timeline-year-container {
    display: flex;
    align-items: center; /* Ensures vertical alignment */
}

.timeline-year {
    margin: 0;
    padding: 0px;
    white-space: nowrap; /* Prevents text wrapping */
}

.timeline-img {
    margin: 0;
    padding: 0;
}

.timeline-img img {
    width: 150px;
    height: 215px;
    border-radius: 5px; /* Optional styling */
    display: block;
    margin-right: 20px; /* Moves image slightly to the left */
    margin-left: -10px;
}


.timeline-node.highlight,
.timeline-node.clicked {
    background-color: #cc0033;
    transform: scale(1.2);
}

/* Year Box */
.timeline-year {
    flex: 0 0 100px; /* Ensures a fixed width */
    width: 100px;
    height: 215px;
    text-align: center;
    font-size: 45px;
    font-weight: bold;
    color: #8f1814;
    background: #f3ebeb;
    padding: 15px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    transform: rotate(180deg); /* Rotates text sideways */
    writing-mode: vertical-rl; /* Ensures vertical text alignment */
}

.timeline h2, .timeline-summary p {
    text-align: center;
    margin: 0 auto;
}

.timeline-video iframe {
    display: none; /* Hides only the video inside the timeline item */
}

.timeline-video p {
    display: none; /* Hide the video credit inside timeline-video */
/*    font-size: 12px; /* Adjust as needed */
}

.timeline-video iframe {
    width: 100%;
    height: auto;
    max-width: 560px;
}

/* Video Container */
.video-container {
    position: relative;
    width: 1020px;
    height: 500px;
    max-width: 100%;
    margin: 0 auto;
    overflow: hidden;
}

.video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.video-credits {
    position: absolute;
    top: 0px;
    left: 0px;
    z-index: 2;
    font-size: 10px;
    color: white;
    background-color: rgba(0, 0, 0, 0.6);
    padding: 4px 8px;
    border-radius: 4px;
    display: inline-block;
}


.video-credits p {
    color: white;
    font-size: 10px;
    margin: 0;
}

.video-credits a {
    color: #4db8ff; /* or white if you want uniform text */
    text-decoration: none;
}


.bottom-timeline-graph {
    /* Inherits properties from .timeline-graph */
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
    width: 100%;
    margin: 30px auto;
    padding: 30px 0;
}

.bottom-timeline-graph::before {
    /* Inherits styling */
    content: "";
    position: absolute;
    top: 50%;
    left: 0;
    width: 100%;
    height: 1px;
    background-color: #0077cc;
    transform: translateY(-50%);
}


/* Back to Top Button */
#backToTop {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background-color: #0077cc;
    border: none;
    font-size: 16px;
    padding: 10px 15px;
    color: white;
    cursor: pointer;
    display: none;
    transition: background 0.3s, transform 0.2s;
}

#backToTop:hover {
    background-color: #005fa3;
    transform: scale(1.1);
}

/* On mobile and tablet, nudge it above the sticky search bar */
@media (max-width: 991.98px) {
  #backToTop {
    font-size: 1.25rem;
    padding: 8px 12px;
    bottom: 60px; /* ⬅ Raise this to float above your search bar */
  }

  #backToTop i + span {
    display: none;
  }
}
/* Carousel container and layout */
#exhibitCarousel {
  position: relative;
  padding-bottom: 50px; /* Space below cards for indicators */
  overflow: visible;
}

.carousel-inner {
  padding: 20px 0;
  overflow: visible;
}

.carousel-item {
  display: flex;
  justify-content: center;
}

/* Card styling */
.card {
  max-width: 320px;
}

/* Carousel indicators */
.carousel-indicators {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
  margin-top: 20px;
  height: auto;
  min-height: 40px;
  z-index: 10;
  position: relative;
}


/* Indicator dots */
.carousel-indicators [data-bs-target] {
  pointer-events: auto;
  background-color: #6b6a6a !important; /* medium gray */
  width: 10px;
  height: 10px;
  opacity: 0.6;
  margin: 0 5px;
  transition: opacity 0.3s ease;
  border: none;
}

/* Active indicator */
.carousel-indicators .active {
  background-color: #1f0cce !important; /* darker gray */
  opacity: 1;
}

.carousel-item {
  padding: 40px 20px;
}

.carousel-item img {
  width: 300px;
  height: 200px;
  object-fit: contain;
  display: block;
  margin: 0 auto;
  background-color: #fff; /* optional for visual balance */
}


@media (max-width: 767px) {
  .carousel-item .row {
    flex-direction: column;
    text-align: center;
  }

  .carousel-item .col-md-6 {
    width: 100%;
  }

  .carousel-item img {
    margin-bottom: 20px;
  }
}

/* Base styling for all decade sections */
.timeline-decade80s,
.timeline-decade90s,
.timeline-decade2000s,
.timeline-decade2010s,
.timeline-decade2020s {
  padding: 60px 20px;
}

/* Individual background colors */
.timeline-decade80s, .timeline-decade2000s, .timeline-decade2020s  {
  background-color: #fff; /* Light gray (1980s) */
}

.timeline-decade90s,.timeline-decade2010s {
  background-color: #f4f4f4; /* White (1990s) */
}

.desc-img img {
  width: 300px !important;
  height: 200px !important;
  object-fit: cover;
  display: block;
  margin: 0 auto;
}

/* Override for desktop view (≥992px) */
@media (min-width: 992px) {
  .desc-img img {
    width: 545px;
    height: 340px;
  }
}

@media (max-width: 991.98px) {
  .desc-img {
    margin-top: 1.5rem; /* Adds ~24px space */
  }
}

.cta-collections-section {
  margin-top: 1.5rem;
}

.cta-collections-section a.btn {
  min-width: 260px;
  padding: 12px 24px;
  font-size: 1.125rem;
  border-radius: 6px;
  transition: all 0.3s ease;
}

.cta-collections-section a.btn {
  background-color: #e9b313; /* vibrant yellow */
  color: #020202;
  padding: 12px 24px;
  font-size: 1.125rem;
  border: none;
  border-radius: 6px;
  min-width: 260px;
  transition: all 0.3s ease;
  transform: scale(1);
}

.cta-collections-section a.btn:hover {
  background-color: #851506; /* dark orange */
  color: #ffffff;
  font-weight: bold;
  transform: scale(1.05);
}

.xploreimg {
  display: block;
  margin-left: auto;
  margin-right: auto;
  max-width: 300px;
  max-height: 300px;
  width: 100%;
  height: auto;
  object-fit: contain;
}


@media (max-width: 768px) {
  .xploreimg {
    max-width: 200px;
    max-height: 100px;
  }
}




/*debugger*/ 
/*div {
    border: 1px solid red !important;
}*/


/* Responsive Design */

/* Only apply hover flip on devices that support hover */
@media (hover: hover) and (pointer: fine) {
  .flip-card:hover .flip-card-inner {
    transform: rotateY(180deg);
  }
}
/* Mobile/tablet tap-based flip support */
.flip-card.flipped .flip-card-inner {
  transform: rotateY(180deg);
}




@media screen and (max-width: 900px) { /* Tablet & Mobile */
    .nav-scroll {
        overflow-x: auto;
        white-space: nowrap;
        padding: 10px;
        display: flex;
        gap: 15px;
        scrollbar-width: none; /* Hides scrollbar */
    }

    .nav-scroll::-webkit-scrollbar {
        display: none; /* Hides scrollbar on WebKit browsers */
    }

    .navbar-nav {
        display: flex;
        flex-direction: row;
    }
}


@media screen and (max-width: 900px) {
    .exhibit-container {
        grid-template-columns: repeat(1, 1fr);
    }

    .navbar-nav {
        justify-content: center;
        text-align: center;
        width: 100%;
    }
}

@media screen and (max-width: 900px) { /* Mobile */
    .navbar-nav {
        display: flex;
        overflow-x: auto; /* Enables horizontal scrolling */
        white-space: nowrap; /* Prevents wrapping */
        gap: 15px; /* Adds spacing between items */
        padding: 10px;
        scrollbar-width: none; /* Hides scrollbar (optional) */
    }

    .navbar-nav::-webkit-scrollbar {
        display: none; /* Hides scrollbar for WebKit browsers */
    }
}

@media screen and (max-width: 900px) {
    .nav-link {
        padding: 0px 0px !important; /* Reduces vertical padding */
    }

    .navbar-nav .nav-item {
        line-height: 1.0 !important; /* Compresses space between links */
        margin-bottom: 10px !important; /* Adjust vertical spacing */
    }
}

@media screen and (max-width: 900px) {
    .nav-link {
        font-size: 20px !important; /* Increases text size */
        padding: 12px 20px; /* Adds more button-like spacing */
        display: block; /* Ensures full-width tap area */
        text-align: center; /* Centers text */
    }

    .navbar-nav .nav-item {
        margin-bottom: 8px; /* Adds slight vertical spacing */
    }
}

@media screen and (max-width: 900px) {
    .nav-link {
        transition: transform 0.3s ease-in-out;
    }

    .nav-link:hover {
        transform: scale(1.2); /* Slight enlargement */
    }
}




@media screen and (max-width: 900px) {
    .timeline-item {
        flex-direction: column;
        align-items: flex-start;
    }

    .timeline-year {
        width: 100%;
        text-align: left;
    }

    body {
        font-size: 16px;
    }
}

@media screen and (max-width: 900px) {
    .exhibit-container {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 900px) { /* Tablet & Mobile */
    .bottom-timeline-graph {
        display: flex; /* Show only on mobile/tablet */
        justify-content: space-between;
        align-items: center;
        position: relative;
        width: 100%;
        margin: 30px auto;
        padding: 30px 0;
    }
}

@media (min-width: 769px) { /* Desktop */
    .bottom-timeline-graph {
        display: none; /* Hide on larger screens */
    }
}

@media screen and (max-width: 900px) { /* Tablet & Mobile */
    .exhibit-container {
        display: flex;
        flex-direction: column; /* Stack items */
        align-items: center; /* Center the cards */
        gap: 20px; /* Adds spacing */
        padding: 0;
    }

    .exhibit-card {
        width: 90%; /* Avoid full-screen stretching */
        max-width: 400px; /* Limits expansion */
        box-sizing: border-box; /* Prevents overflow */
    }
}

@media (max-width: 1024px) { /* Applies to tablets and smaller devices */
    .timeline-year {
        writing-mode: horizontal-tb; /* Makes text horizontal */
        transform: none; /* Removes rotation */
        width: 100%;
        height: auto;
        font-size: 24px; /* Adjust font size for mobile */
        padding: 10px;
        margin-bottom: 20px; /* Adds space below timeline year */
    }
}

@media (min-width: 1025px) {
    .video-wrapper {
        max-width: 1020px;
        margin: 0 auto;
    }
}

@media (max-width: 1020px) {
    .video-container {
        width: 100%;
        height: auto;
        padding-bottom: 56.25%; /* 16:9 aspect ratio */
    }

    .video-container iframe {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
    }
}


@media (max-width: 900px) {
    .timeline-img {
        display: none;
    }
}

/*NEW CODE*/
/* PC View Styles */
@media (min-width: 1025px) {
  .navbar {
    background-color: #0056b3 !important;
    padding: 15px 30px;
  }

  .navbar-brand {
    font-size: 20px;
    font-weight: bold;
    color: white !important;
  }

  .navbar-nav {
    gap: 30px;
  }

  .nav-link {
    color: white !important;
    font-size: 14px;
    transition: color 0.3s ease;
  }

  .nav-link:hover {
    color: #cce6ff !important;
  }

  .fa-solid {
    margin-right: 6px;
  }

  /* Hide Bootstrap's hamburger on PC */
  .navbar-toggler {
    display: none;
  }
}



@media (max-width: 1024px) {
  .navbar {
    height: 48px;
    background-color: #0056b3;
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    padding: 0;
    display: flex;
    align-items: flex-end;
  }

  .navbar .container {
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    align-items: flex-end;
    height: 100%;
    padding: 0 12px;
  }

  .navbar-brand {
    display: flex;
    align-items: flex-end;
    height: 100%;
    font-size: 18px;
    color: white !important;
  }

  .navbar-brand span {
    display: none;
  }

  .navbar-brand i {
    font-size: 20px;
    color: white;
  }

  .navbar-toggler {
    display: none;
  }

  .navbar-collapse {
    display: flex !important;
    align-items: flex-end;
    justify-content: flex-end;
    height: 100%;
    padding: 0;
    background-color: transparent;
    max-width: 220px;
    flex: none;
    padding-top: 6px; /* adjust this value as needed */
  }

  .navbar-nav {
    display: flex !important;
    flex-direction: row !important;
    align-items: flex-end;
    height: 100%;
    gap: 16px;
    margin: 0;
  }

  .nav-item {
    display: flex;
    align-items: flex-end;
    height: 100%;
    text-align: center;
  }

  .nav-link {
    display: flex;
    align-items: flex-end;
    height: 100%;
    color: white !important;
    font-size: 20px;
    line-height: 1;
    padding: 0;
  }

  .nav-link i {
    font-size: 20px;
    line-height: 1;
  }

  .nav-link span {
    display: none;
  }

  .nav-link.hide-on-mobile {
    display: none !important;
  }
}