@import url('https://fonts.googleapis.com/css2?family=Montserrat:ital,wght@0,100..900;1,100..900&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@700&display=swap');

:root {
  --tamuk-primary-blue: #003399;
  --tamuk-secondary-blue: #005daa;
  --tamuk-dark-blue: #003366;
  --tamuk-black: #0a0a0a;
  --very-dark-blue: #0f0632;
  --centennial-gold: #f4bf4f;
  --centennial-blue: #225ca0;
}

* {
  box-sizing: border-box;
  /* margin: 0;
     */
  /* padding: 0;
     */
  font-optical-sizing: auto;
}

html {
  height: 100%;
  overscroll-behavior: contain;
  scroll-behavior: smooth;
}

body {
  transition: transform 0.3s ease;
  touch-action: pan-y;
  min-height: 100%;
  margin: 0;
}

main {
   font-family: "Montserrat", serif; 
    font-style: normal;
  font-weight: 400;
  font-size: 14px;
  letter-spacing: 1px;
  line-height: 1.5;
}

img {
  vertical-align: middle;
  max-width: 100%;
  display: inline-block;
}

.inline-block {
  max-width: 100%;
  display: inline-block;
}

.page-wrapper {
  z-index: 0;
  position: relative;
  background-color: var(--very-dark-blue);
}

.container {
  width: 90vw;
  max-width: 1360px;
  margin-left: auto;
  margin-right: auto;
}

.margin-bottom-medium {
  /* margin-bottom: 32px;
     */
  margin-bottom: 2rem;
  margin-top: 2rem
}

.paragraph-large {
  letter-spacing: -0.02em;
  font-size: 20px;
}

.padding-vertical-xlarge {
  padding-top: 80px;
  padding-bottom: 80px;
}

.section-timeline-heading {
  position: relative;
  /* background:linear-gradient(#fff,#e8e9ea);
     */
  /* background-color: var(--centennial-blue);
     */
  background-color: white;
  padding: 50px 0;
  text-align: center;
}

.section-timeline-heading-overlay {
  position: absolute;
  height: 100%;
  width: 100%;
  top: 0;
  left: 0;
  /* background-color: #003399;
     */
  background-color: var(--very-dark-blue);
  /* background-image: url(https://www.tamuk.edu/centennial/_images/timeline-paper-texture.jpg);
     */
  background-position: center;
  background-size: cover;
  /* opacity: .4;
     */
}

.timeline-main_heading-wrapper {
  text-align: center;
  margin-left: auto;
  margin-right: auto;
}

.timeline-main_heading-wrapper span {
  font-size: 3rem
}

.timeline-main_heading-wrapper h1 {
  border-bottom: 2px solid gold;
  display: inline-block;
  font-family: 'Playfair Display', serif;
  text-transform: uppercase;
  font-size: 3rem;
  color: white;
  /* color:#003399;
     */
  filter: drop-shadow(0 0 10px #00000011);
  line-height: 1.3;
  margin-bottom: 0px;
  letter-spacing: -0.5px;
}

.timeline-main_heading-wrapper h1 span {
  color: #005bb5;
  font-style: italic;
  font-size: 2.2rem;
}

.timeline_component {
  flex-direction: column;
  justify-content: center;
  align-items: center;
  max-width: 1120px;
  margin-left: auto;
  margin-right: auto;
  display: flex;
  position: relative;
}

.timeline_item {
  z-index: 2;
  grid-column-gap: 0px;
  grid-row-gap: 0px;
  grid-template-rows: auto;
  /* grid-template-columns: 1fr 180px 1fr;
     */
  grid-template-columns: 200px 180px 2fr;
  grid-auto-columns: 1fr;
  padding-top: 80px;
  padding-bottom: 80px;
  display: grid;
  position: relative;
}

.timeline_left {
  text-align: right;
  justify-content: flex-end;
  align-items: stretch;
}

.timeline_centre {
  justify-content: center;
  display: flex;
}

.timeline_progress {
  z-index: -2;
  /* background-color: #414141;
     */
  background-color: #ffffff59;
  width: 3px;
  height: 100%;
  position: absolute;
  left: 287px;
  top: 0;
}

.timeline_progress-bar {
  z-index: -1;
  background: #ff6a00;
  background: -webkit-linear-gradient(to bottom, #003399, #ffcc00);
  background: linear-gradient(to bottom, #003399, #ffcc00);
  width: 3px;
  inset: 0 auto 50vh;
  height: 50vh;
  position: sticky;
}

.timeline_image-wrapper {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 500ms ease-out, transform 1s ease-out;
}

.timeline_image-wrapper.visible {
  opacity: 1;
  transform: translateY(0);
}

.timeline_image-wrapper img {
  /* border-top-right-radius: 5px;
     border-top-left-radius: 5px;
     */
  border-radius: 5px;
  cursor: zoom-in;
  transition: opacity 500ms ease-out, transform 1s ease-out;
}

.timeline_image-wrapper img:hover {
  box-shadow: 0px 0px 20px #999;
}

.image-wrapper {
  /* border:1px solid black;
     */
  /* border-bottom:1px solid #ffffff22;
     */
  /* border:1px solid #ffffff22;
     */
  /* border-radius:50%;
     */
  text-align: center;
  /* border-top:0px */
}

image-wrapper img {
  width: 100%;
  background-color: white;
}

.image-caption {
  text-align: center;
  font-size: 0.9rem;
  display:none;
  color: white;
  font-style: italic;
  line-height: 1.4;
  margin-bottom: 0;
  /* background:#00000055;
     */
  padding-top: 5px;
  padding-bottom: 5px !important;
  border-bottom-right-radius: 5px;
  border-bottom-left-radius: 5px;
  padding: 5px;
  color: #e8e9ea;
}

.image-caption span {
  display: block;
  font-weight: bold;
  margin-bottom: 4px;
  color: white;
}

body.no-scroll {
  overflow: hidden;
}

.lightbox {
  display: none;
  position: fixed;
  z-index: 2;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.8);
  align-items: center;
  justify-content: center;
  cursor: zoom-out;
}

.lightbox-content {
  /* max-width: 90%; */
  max-height: 90vh;
  border-radius: 8px;
  animation: fadeIn 0.5s;
}

.lightbox-close {
  position: absolute;
  top: 20px;
  right: 30px;
  font-size: 40px;
  color: white;
  cursor: pointer;
}

.lightbox figure {
  text-align: center;
  color: white;
  max-width: 90%;
}

#lightbox-caption {
  font-size: 16px;
  margin-top: 10px;
  opacity: 0.8;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }

  to {
    opacity: 1;
    transform: scale(1);
  }
}

.timeline_date-text {
  color: #fff;
  letter-spacing: -0.03em;
  font-weight: 500;
  line-height: 1.2;
  position: sticky;
  top: 50vh;
}

.timeline_date-text h2 {
  font-size: 48px;
}

.timeline_text {
  color: #fff;
  font-size: 20px;
  line-height: 1.3;
}

.timeline_text p {
  font-weight: 300;
  padding-bottom: .8rem
    /* padding-bottom:1rem */
    /* padding-left: 10px;
     */
}

.timeline_text ul li {
  font-weight: 300;
  padding-bottom: 10px
    /* margin-left: 1rem;
     */
}

.timeline_text .year {
  /* background-color: #ffcc00;
     */
  border-bottom: 1px solid #ffcc00;
  color: #ffcc00;
  font-weight: 800;
}

.timeline_text .month {
  font-weight: 700;
}

.timeline_circle {
  background-color: #ffcc00;
  border-radius: 100%;
  width: 15px;
  min-width: 15px;
  max-width: 15px;
  height: 15px;
  min-height: 15px;
  max-height: 15px;
  position: sticky;
  top: 50vh;
  box-shadow: 0 0 0 8px #0f0632;
}

.back-to-top {
  position: fixed;
  bottom: 20px;
  right: 20px;
  display: none;
  padding: 10px 15px;
  font-size: 16px;
  border-radius: 5px;
  transition: opacity 0.3s ease, transform 0.3s ease;
  z-index: 2;
}

.back-to-top.show {
  display: block;
  opacity: 1;
  transform: translateY(0);
}

.back-to-top.hide {
  opacity: 0;
  transform: translateY(20px);
}

.section-timeline {
  z-index: -3;
  /* background-color: #08031b;
     */
  /* background-color: var(--very-dark-blue);
     */
  background-color: var(--very-dark-blue);
  position: relative;
}

.section-timeline-overlay {
  height: 100%;
  width: 100%;
  position: absolute;
  bottom: 0;
  left: 0;
  /* margin-left:-50vw;
     */
  background-image: url(https://www.tamuk.edu/centennial/_images/picado-bg-blue.svg);
  background-position: right bottom;
  background-repeat: no-repeat;
  background-size: cover;
  background-attachment: fixed;
  /* filter:blur(4px);
     */
  opacity: .05;
}

.margin-bottom-xlarge {
  margin-bottom: 56px;
}

.timeline_link {
  opacity: 0.6;
  color: #fff;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  border-radius: 8px;
  align-items: center;
  font-size: 14px;
  font-weight: 700;
  line-height: 1.3;
  text-decoration: none;
  transition: opacity 0.3s;
  display: flex;
}

.timeline_link:hover {
  opacity: 1;
}

.link-icon {
  width: 20px;
  height: 20px;
  margin-left: 8px;
}

.inline-block {
  display: inline-block;
}

.text-colour-lightgrey {
  color: #ffffffa6;
}

.overlay-fade-top {
  /* background-image: linear-gradient(#0a0a0a, #0a0a0a00);
     */
  background-image: linear-gradient(#0f0632, #0f063200);
  height: 80px;
  position: absolute;
  inset: 0% 0% auto;
}

.overlay-fade-bottom {
  /* background-image: linear-gradient(to top, #0a0a0a, #0a0a0a00);
     */
  background-image: linear-gradient(to top, #0f0632, #0a0a0a00);
  height: 80px;
  position: absolute;
  inset: auto 0% 0%;
}

@media screen and (max-width: 768px) {

  .paragraph-large {
    font-size: 18px;
  }

  .padding-vertical-xlarge {
    padding-top: 50px;
    padding-bottom: 50px;
  }

  .timeline_item {
    grid-template-columns: 64px 1fr;
    width: 100%;
  }

  .timeline_left {
    text-align: left;
    grid-area: 1 / 2 / 2 / 3;
  }

  .timeline_centre {
    justify-content: flex-start;
    grid-area: 1 / 1 / 3 / 2;
  }

  .timeline_right {
    grid-area: span 1 / span 1 / span 1 / span 1;
    padding:1px;
  }

  .timeline_text {
    font-size: 20px;
  }

  .timeline_progress {
    left: 6px;
  }

  .margin-bottom-xlarge {
    margin-bottom: 48px;
  }

  .back-to-top {
    padding: 8px 10px;
    font-size: 20px;
  }

  .back-to-top .text {
    display: none;
  }

  .timeline-main_heading-wrapper h1 {
    font-size: 2.2rem;
  }

  .timeline-main_heading-wrapper h1 span {
    font-size: 1.8rem;
  }
}


@media (max-width: 576px) {
  .timeline-main_heading-wrapper h1 {
    font-size: 1.8rem;
  }

  .timeline-main_heading-wrapper h1 span {
    font-size: 1.5rem;
  }

  .section-timeline-overlay {
    margin: unset
  }

}


/* new stuff */

@media (max-width: 768px) {
  .dropdown-btn {
    width:unset!important;
    margin:unset!important;
  }
  .side-nav-wrapper {
    background-color:unset!important;
    justify-content: unset!important;
  }
  .side-nav {
    display: inline-block;
    width:unset!important;
    background-color: var(--very-dark-blue);
  }
  .timeline_left {
    position:sticky;
    top:0; 
    right:0;
    text-align: right;
    z-index: 99999;
    grid-area: 1 / 2 / 1/ 3!important;
  }
  .timeline_date-text {
    position:unset!important;
    background-color: var(--very-dark-blue);
    font-size:35px!important;
  }
  .timeline_item p {
    font-size:14px;
  }
  .image-caption {
    display:none
  }
}