/* fonts */

/* Abril Fatface */
@import url('https://fonts.googleapis.com/css2?family=Abril+Fatface&family=Cutive&display=swap');

/* Roboto */
@import url('https://fonts.googleapis.com/css2?family=Roboto:ital,wght@0,100;0,300;0,400;0,500;0,700;0,900;1,100;1,300;1,400;1,500;1,700;1,900&display=swap');

/* Pathway Gothic One */
@import url("https://fonts.googleapis.com/css?family=Cardo|Pathway+Gothic+One");

/* Playfair */
@import url('https://fonts.googleapis.com/css2?family=Playfair:ital,opsz,wght@0,5..1200,300..900;1,5..1200,300..900&family=Roboto:ital,wght@0,100;0,300;0,400;0,500;0,700;0,900;1,100;1,300;1,400;1,500;1,700;1,900&display=swap');

/* main body */

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    text-decoration: none;
    font-family: 'Playfair';
    font-size: 1.05rem;
}

/* navbar */

#navbar {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 999;
    display: flex;
    flex-direction: column;
    background-color: rgba(255, 255, 255, 0.493);
}

#navbar-logo {
    color: #000;
    background-size: 100%;
    display: flex;
    align-items: center;
    text-align: center;
    font-size: 1.5rem;
    font-family: 'Abril Fatface';
    padding-right: 10px;
}

#navbar-logo img {
    width: 75px;
    padding-top: 5px;
    padding-bottom: 5px;
}

#navbar a {
    font-family: 'Abril Fatface';
}

#navbar ul {
    display: flex;
    align-items: center;
    list-style: none;
    position: relative;
    float: left;
    margin: 0;
    padding: 0;
}

#navbar ul a {
    color: #000000;
    font-weight: 700;
	  font-size: 1rem;
	  line-height: 32px;
	  padding: 0 15px;
}

#navbar ul li {
	  position: relative;
	  float: left;
  	margin: 0;
	  padding: 0 10px;
}

#navbar ul li:hover {
  	background: #a0a0a07c;
}

#navbar ul ul {
	  display: none;
	  position: absolute;
	  top: 100%;
	  left: 0;
	  background: #a0a0a07c;
	  padding: 0;
	  z-index: 999;
}

#navbar ul ul li {
  	float: none;
  	width: 300px;
	  background: #a0a0a07c;
}

#navbar ul ul a {
	  line-height: 120%;
	  font-size: 0.8rem;
}

#navbar ul ul ul {
	  top: 0;
	  left: 100%;
}

#navbar ul li:hover > ul {
  	display: block;
}

/* banners */

.banner {
    position: relative;
    width: 100%;
    height: 40rem;
    padding: 0 5%;
    overflow: hidden;
    backface-visibility: hidden;
    border-bottom: 10px solid #000;
  }
  
  .banner-background {
    width: 100%;
    height: 100%;
    position: absolute;
    left: 0;
    top: 0;
    z-index: -1;
    transform: translate3d(0,0,0) scale(1.25);
  }
  
  .banner h1 {
    color: #eee;
    margin: 0;
    font-size: 5rem;
    line-height: 20rem;
    text-shadow: 0 0 1rem black;
    font-family: 'Abril Fatface';
  }
  
  .banner h2 {
    text-shadow: 0 0 1rem rgb(255, 255, 255);
    font-size: 3rem;
    font-family: 'Abril Fatface';
  }

/* banner backgrounds */

/* home */

.banner-background.home-bg {
    background: url(/images/home-bg.jpg) no-repeat;
    background-size: cover;
}

/* american century */

.banner-background.ac-bg {
    background: url(/images/america/ac-bg.jpg) no-repeat;
    background-size: cover;
}

/* tudor era */

.banner-background.tudor-bg {
    background: url(/images/tudor/tudor-bg.jpg) no-repeat;
    background-size: cover;
}

/* germany */

.banner-background.weimar-bg {
    background: url(/images/germany/weimar-bg.jpg) no-repeat;
    background-size: cover;
}

.banner-background.nazi-bg {
    background: url(/images/germany/nazi-bg.jpg) no-repeat;
    background-size: cover;
}

/* archive cards */

.archive {
    max-width: 1500px;
    padding: 1rem;
    margin: 0 auto;
}

.archive h1 {
    text-align: center;
    font-family: 'Abril Fatface';
    font-size: 3rem;
    color: #f5f5f5;
    text-shadow: 0 0 1rem rgb(0, 0, 0);
}

.archive-cards {
    display: flex;
    flex-wrap: wrap;
    list-style: none;
    margin: 0;
    padding: 0;
}

.cards-item {
    display: flex;
    padding: 1rem;
}

.card {
    background-color: white;
    border-radius: 0.25rem;
    box-shadow: 0 20px 40px -14px rgba(0, 0, 0, 0.25);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    width: 330px;
    height: 400px;
}

.card img {
    height: 60%;
    width: auto;
    object-fit: cover;
    object-position: center;
}

.card-content {
    flex-grow: 1;
    padding: 1rem;
    background: linear-gradient(to bottom left, #8d97ef 40%, #4f47c2 100%);
}

.card-title {
    color: white;
    font-size: 1.1rem;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: capitalize;
    margin: 0px;
}

.card-text {
    color: white;
    font-size: 0.8rem;
    line-height: 1.5;
    margin-bottom: 1.25rem;
    font-weight: 400;
}

.card-button {
    color: white;
    padding: 0.8rem;
    font-size: 14px;
    text-transform: uppercase;
    border-radius: 4px;
    font-weight: 400;
    display: block;
    width: 100%;
    cursor: pointer;
    border: 1px solid rgba(255, 255, 255, 0.2);
    background: transparent;
}

.card-button:hover {
  background-color: rgba(255, 255, 255, 0.12);
}

/* contents & sidebar */

.container {
    display: flex;
    width: 100%;
    max-width: 1200px;
    margin: 20px auto;
    height: auto;
}

.content-bar {
    width: 300px;
  	flex-shrink: 0;
    border: 1px solid #cccccc;
    border-radius: 5px;
    margin-right: 20px;
    position: sticky;
    top: 100px;
    height: 740px;
    overflow-y: auto;
}

.content-bar h1 {
    font-size: 1.1rem;
    margin-left: 10px;
    margin-top: 10px;
}

.main-content {
    flex-grow: 1;
    padding: 20px;
    border: 1px solid #cccccc;
    border-radius: 5px;
}

.main-content h1 {
    font-family: 'Abril Fatface';
    padding-bottom: 5px;
    text-align: center;
    scroll-margin-top: 100px;
}

.main-content h2 {
    font-size: 1.1rem;
    scroll-margin-top: 100px;
}

.content-wrapper {
    display: flex;
}

.photo-container {
    flex-shrink: 0;
    width: 200px;
    height: 300px;
    overflow: hidden;
    margin-right: 20px;
    position: relative;
}

.photo-container img {
    width: 100%; 
    border-radius: 5px;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.text-content {
    flex-grow: 1;
}

.topic, .subtopic {
    padding: 10px;
    border-bottom: 1px solid #cccccc;
    position: relative;
}

.topic a, .subtopic a {
    text-decoration: none;
    font-weight: bold;
    color: inherit;
}

.toggle-button {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 16px;
    position: absolute;
    right: 10px;
}

.subtopics {
    display: none;
    padding-left: 20px;
}

.subtopic {
    padding: 5px 0;
}

/* timeline */

.timeline {
    display: flex;
    margin-top: 50 auto;
    margin: 0 auto;
    flex-wrap: wrap;
    flex-direction: column;
    max-width: 700px;
    position: relative;
}

.timeline-content-title {
    font-weight: normal;
    font-size: 66px;
    margin: -10px 0 0 0;
    transition: 0.4s;
    padding: 0 10px;
    text-shadow: 0 0 1rem rgba(0, 0, 0);
    box-sizing: border-box;
    font-family: 'Pathway Gothic One';
    color: white;
}

.timeline-content-desc {
    margin: 0;
    font-size: 15px;
    box-sizing: border-box;
    color: rgba(255, 255, 255, 0.7);
    font-family: Cardo;
    font-weight: normal;
    line-height: 25px;
}

.timeline:before {
    position: absolute;
    left: 50%;
    width: 2px;
    height: 100%;
    margin-left: -1px;
    content: "";
    background: rgba(255, 255, 255, 0.07);
}

.timeline-item {
    transition: opacity 0.3s ease, filter 0.3s ease, transform 0.3s ease;
    padding: 40px 0;
    opacity: 0.3;
    filter: blur(2px);
    transition: 0.5s;
    box-sizing: border-box;
    width: calc(50% - 40px);
    display: flex;
    position: relative;
    transform: translateY(-80px);
}

.timeline-item:before {
    content: attr(data-text);
    letter-spacing: 3px;
    width: 100%;
    position: absolute;
    color: rgba(255, 255, 255, 0.5);
    font-size: 13px;
    font-family: "Pathway Gothic One", sans-serif;
    border-left: 2px solid rgba(255, 255, 255, 0.5);
    top: 70%;
    margin-top: -5px;
    padding-left: 15px;
    opacity: 0;
    right: calc(-100% - 56px);
}

.timeline-item:nth-child(even) {
    align-self: flex-end;
}

.timeline-item:nth-child(even):before {
    right: auto;
    text-align: right;
    left: calc(-100% - 56px);
    padding-left: 0;
    border-left: none;
    border-right: 2px solid rgba(255, 255, 255, 0.5);
    padding-right: 15px;
}

.timeline-item--active {
    opacity: 1;
    transform: translateY(0);
    filter: blur(0px);
}

.timeline-item--active:before {
    top: 50%;
    transition: 0.3s all 0.2s;
    opacity: 1;
}

.timeline-item--active .timeline-content-title {
    margin: -50px 0 20px 0;
}

.timeline-img {
    max-width: 100%;
    box-shadow: 0 10px 15px rgba(0, 0, 0, 0.4);
}

.timeline-container {
    width: 100%;
    position: relative;
    padding: 80px 0;
    transition: 0.3s ease 0s;
    background-attachment: fixed;
    background-size: cover;
}

.timeline-container:before {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(99, 99, 99, 0.8);
    content: "";
}

.timeline-header {
    width: 100%;
    text-align: center;
    margin-bottom: 80px;
    position: relative;
}

.timeline-header-title {
    color: #fff;
    font-size: 46px;
    font-family: Cardo;
    font-weight: normal;
    margin-top: 2rem;
}

.timeline-header-subtitle {
    color: rgba(255, 255, 255, 0.5);
    font-family: "Pathway Gothic One", sans-serif;
    font-size: 16px;
    letter-spacing: 5px;
    margin: 10px 0 0 0;
    font-weight: normal;
}