:root {
    --yellow:#eeaf61;
    --orange: #E77500;
    --red: #ee5d6c;
    --pink:#ce4993;
    --purple:#6a0d83;
    --tan: #f2b46f;
}
#Academics {
    background: url(https://s3.amazonaws.com/snwceomedia/pri/d4867740-8fd3-4e62-a9e9-77a5aad61ac5.original.jpg);
    display: flex;
    width: 30.67vw;
    height: 57.33vh;
    position: absolute;
    bottom: 2vh;
    left: 34.6vw;
    background-size: cover;
    transition: transform 0.3s ease-in-out; 
    border-radius: 15px; /* Rounds the corners */
    overflow: hidden;
    justify-content: center;
    align-items: center;
    background-position: center;
}
#Demographics {
    background: url(https://s3.amazonaws.com/snwceomedia/pri/bcb1bdc8-f68f-423d-ac34-4c8ffda0a335.original.jpeg);
    display: flex;
    position: absolute;
    top: 2vh;
    left: 2vw;
    width: 30.67vw;
    height: 96vh;
    background-size: cover;
    transition: transform 0.3s ease-in-out; 
    border-radius: 15px; /* Rounds the corners */
    overflow: hidden;
    justify-content: center;
    align-items: center;
    background-position: center;
}
#About {
    background: url(https://s3.amazonaws.com/snwceomedia/pri/86a11f9c-8861-42eb-8d9e-0ca2e79e2302.original.jpg);
    display: flex;
    position: absolute;
    background-position: center;
    bottom: 2vh;
    right: 2vw;
    width: 30.67vw;
    height: 30.67vh;
    background-size: cover;
    transition: transform 0.3s ease-in-out; 
    border-radius: 15px; /* Rounds the corners */
    overflow: hidden;
    justify-content: center;
    align-items: center;
    
}
#Views {
    background: url(https://www.international.hu-berlin.de/media/pages/kooperationen/strategische-partnerschaften/princeton-university/2862c15b04-1713777165/20190424-cl-dja-010-2-2-2500x-q85.jpg);
    position: absolute;
    display: flex;
    top: 2vh;
    right: 2vw;
    width: 30.67vw;
    height: 61.33vh;
    background-size: cover;
transition: transform 0.3s ease-in-out; 
border-radius: 15px; /* Rounds the corners */
    overflow: hidden;
    justify-content: center;
    align-items: center;
    background-position: center;
}


#College-Life {
  background: url(https://s3.amazonaws.com/snwceomedia/pri/c52b29ec-ab21-4d7f-a779-b7ee15076f2c.original.jpg);
  position: absolute;
  display: flex;
  top: 2vh;
  left: 34.6vw;
  width: 30.67vw;
  height: 34.67vh;
  background-size: cover;
  transition: transform 0.3s ease-in-out; 
  border-radius: 15px; /* Rounds the corners */
  overflow: hidden;
  justify-content: center;
  align-items: center;
  background-position: center;
}

.card-container:hover .card {
  opacity: 0.6;
}

/* only hovered card is full opacity */
.card-container .card:hover {
  opacity: 1;
  z-index: 1;
}

#Academics:hover {
  transform: scale(1.06);
}
#Demographics:hover {
  transform: scale(1.06);
}
#About:hover {
  transform: scale(1.06);
}
#Views:hover {
  transform: scale(1.06);
}
#After-Princeton:hover {
  transform: scale(1.06);
}
#College-Life:hover {
  transform: scale(1.06);
}
#Academics h1, #Demographics h1, #About h1, #Views h1, #After-Princeton h1, #College-Life h1 {
    color: white;
    text-align: center;
    font-size: 3rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7); /* Adds a shadow to the text */

}
@media screen and (max-width: 920px) {
  #College-Life, #Academics, #Views, #Demographics, #After-Princeton, #About {
      position: absolute;
      width: 94%;
      height: 30vh;
      left: 3%;
      right: 3%;
  }
}
@media screen and (max-width: 920px) {
  #welcome-text{
    position: absolute;
    top: 194vh;
  }
  
}
@media screen and (max-width: 920px) {
  #College-Life {
      top: 2vh;
  }
}
@media screen and (max-width: 920px) {
  #Academics {
      top: 34vh;
  }
}
@media screen and (max-width: 920px) {
  #Views {
      top: 66vh;
  }
}
@media screen and (max-width: 920px) {
  #Demographics {
      top: 98vh;
  }
}
@media screen and (max-width: 920px) {
  #After-Princeton {
      top: 130vh;
  }
}
@media screen and (max-width: 920px) {
  #About {
      top: 162vh;
  }
}
footer {

  background-color: #EFE5DA;
  color: black;
  text-align: center;
  padding: 0rem;
  font-size: large;
  z-index: 50;
  margin-top: 0;
}

html,body{
  margin: 0;
  padding: 0;
  font-family: franklin-gothic-urw, sans-serif, serif !important;
  scroll-behavior: smooth;
}

section > h2 {
  font-size: 2rem;
}
section > p {
  font-size: 1.5rem;
}
.intro-buttons {
  display: flex;
  justify-content: center;
  align-items: center; 
  flex-direction: row; 
  gap: .4rem; 
  flex-wrap: wrap;
}
intro {
    width: 100%;
    min-height: 40vh;
    background-size: cover;
    background-position: center;
    text-align: center;
    color: white;
    font-size: 2rem;
   display:flex;
   flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 5%;
    margin: 0;
    overflow: hidden;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7); /* Adds a shadow to the text */
    box-shadow: 0 2px 16px rgba(0,0,0,0.08);
    
}
* {
  box-sizing: border-box;
}
#demo-intro {
  background-image: 
    linear-gradient(
      rgba(0, 0, 0, 0.5),
      rgba(0, 0, 0, 0.5)
    ),
    url('https://s3.amazonaws.com/snwceomedia/pri/bcb1bdc8-f68f-423d-ac34-4c8ffda0a335.original.jpeg');
}
#life-intro {
  background-image: 
    linear-gradient(
      rgba(0, 0, 0, 0.5),
      rgba(0, 0, 0, 0.5)
    ),
    url('https://s3.amazonaws.com/snwceomedia/pri/c52b29ec-ab21-4d7f-a779-b7ee15076f2c.original.jpg');
}
#after-intro {
  background-image: 
    linear-gradient(
      rgba(0, 0, 0, 0.5),
      rgba(0, 0, 0, 0.5)
    ),
    url('https://s3.amazonaws.com/snwceomedia/pri/48690fce-b7a7-487d-b38f-ca2f8c01204f.original.jpg');
}
#academics-intro {
  background-image: 
    linear-gradient(
      rgba(0, 0, 0, 0.5),
      rgba(0, 0, 0, 0.5)
    ),
    url('https://s3.amazonaws.com/snwceomedia/pri/d4867740-8fd3-4e62-a9e9-77a5aad61ac5.original.jpg');
}
#views-intro {
  background-image: 
    linear-gradient(
      rgba(0, 0, 0, 0.5),
      rgba(0, 0, 0, 0.5)
    ),
    url('https://www.international.hu-berlin.de/media/pages/kooperationen/strategische-partnerschaften/princeton-university/2862c15b04-1713777165/20190424-cl-dja-010-2-2-2500x-q85.jpg');
}


section {
    margin: 7%;
    background-color: var(--tan);
    color:black;
    padding: 1.5rem;
    border-radius: 3rem;
    height: max-content;
}
.button-container {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: row;  
    gap:.5rem;
    flex-wrap: wrap;
    width: 50%;
    height: 100%;

}
  
   
  .graph-display{
    width:50%;
    background-color: white;
    border-radius: 20px;
    padding: 20px;
  }
  .graph {
    height: 100%;
    display:none;
  }
  

.section-container {
    background-size: cover;
    background-position: center;
    
    text-align: center;
    color: white;
    background-color: #EFE5DA;
    width:100%;
    justify-content: center;
 /* Ensures the background is behind other elements */
}
button {
  font-family: sofia-pro, sans-serif;
  border-width: 0px;
  border-radius: 1.5rem;
  width: fit-content;
  height: fit-content;
  /* padding: 40px 40px; */
  padding-top: .3rem;
  padding-bottom: .3rem;
  background-color: var(--orange);
  padding-left: 1rem;
  padding-right: 1rem;
  font-size: large;

  cursor: pointer;
  color: black;
}


.graph-button-container {
    display: flex;
    justify-content: end;
    align-items: center;
    height: max-content;
    flex-direction: row;
  
}
@media screen and (max-width: 920px) {
  .graph-button-container {
    flex-direction: column;
    width: 100%;
    gap : 1rem;
  }
  
  
}
@media screen and (max-width: 920px) {
  .graph-display {
      width: 100%;
  }
  
}
@media screen and (max-width: 920px) {
  .button-container {
      width: 100%;
  }
  
}


.graph-button {
    background-color: #888;
}

.graph-button.active {
    background-color: var(--orange);
}
a {
  color: var(--orange);
  text-decoration: none;
}
button:hover {
  background-color: rgb(255, 160, 37);
}
/* Collapsible Nav Container */
.collapsible-nav {
  position: fixed;
  top: 0;
  left: 0;
  height: 100vh;
  width: 50px; /* Collapsed width */
  background-color: transparent; /* Make background transparent when collapsed */
  border-right: none; /* Remove border when collapsed */
  transition: width 0.3s ease-in-out, background-color 0.3s ease-in-out, border-right 0.3s ease-in-out;
  overflow: hidden;
  z-index: 2;
  display: flex;
  flex-direction: column;
  justify-content: center; /* Center the arrow vertically */
  align-items: center;
}

/* Expanded state */
.collapsible-nav.expanded {
  background-color: var(--tan); /* Add background when expanded */
  border-right: 1px solid black; /* Add border when expanded */
  color: black;
}

/* Toggle Button */
.nav-toggle {
  position: relative;
  color:black;
 
   /* Centered within the container */
  width: 40px;
  height: 40px;
  background-color: var(--orange);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  font-size: 1.5rem;
  display: flex;
  justify-content: center;
  align-items: center;
  transition: transform 0.3s ease-in-out;
}

/* Rotate the arrow when expanded */
.nav-toggle.expanded {
  transform: rotate(180deg);
}

/* Nav Content */
.nav-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-top: 20px;
  gap: 1rem;
  opacity: 0; /* Hidden by default */
  transition: opacity 0.3s ease-in-out;
}

/* Show content when expanded */
.collapsible-nav.expanded .nav-content {
  opacity: 1;
}



/* for demo.html */
#hero {
  height: 80vh;
  margin: 0;
  padding: 0;
  background: url('https://www.princeton.edu//sites/default/files/images/2017/06/20060425_NassauHall_JJ_IMG_5973.jpg') center/cover no-repeat;
  background-color: transparent;
  transition: background-color 2s ease;
  border-radius: 0 !important;
}

#hero h1 {
  margin-bottom: 1rem;
}

#textBlock {
  font-size: 145%;
  text-align: center;
}

#intro-overlay {
    position: fixed;
    z-index: 9999;
    top: 0; left: 0; right: 0; bottom: 0;
    background: #EFE5DA;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 1s ease;
    opacity: 1;
    pointer-events: all;
}

#intro-overlay h1 {
    font-size: 3rem;
    color: var(--orange, #e67e22);
    font-family: sofia-pro, sans-serif;
    letter-spacing: 2px;
}

body.intro-hidden #intro-overlay {
    opacity: 0;
    pointer-events: none;
}

body.intro-hidden #main-content {
    opacity: 1;
    transition: opacity 1s ease;
}

#main-content {
    opacity: 0;
    transition: opacity 1s ease;
}



/* ****** the css here makes the buttons stay at the top so we don't visibly see the page change ********** */
#Demographics, 
#Academics, 
#About, 
#Views, 
#College-Life, 
#After-Princeton {
  display: flex;
  justify-content: center;
  align-items: flex-start;   /* was center */
}

section {
      align-items: center;
}

/* REPLACE your later .graph-button-container block with this */
.graph-button-container {
  display: flex;
  flex-direction: row;
  justify-content: flex-start;   /* was end */
  align-items: flex-start;        /* was center */
  align-content: flex-start;      /* helps when wrapping */
  gap: 1rem;                      /* optional */
  height: auto;                   /* not max-content/100% */
}

/* Tweak the buttons column */
.button-container {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  width: 50%;
  /* REMOVE this: height: 100%; */
  height: auto;                   /* let it shrink to its content */
  justify-content: flex-start;
  align-items: flex-start;
  align-content: flex-start;
}
/* ****** ********** */



/* Making credits more centered */
.credits {
  display: flex;
  flex-direction: column;
  align-items: center;  /* center everything horizontally */
  text-align: center;   /* center text inside */
  font-size: 1.5rem;
}

.credits strong {
  margin-top: 1rem;     /* space above each title */
}

.credits ul {
  list-style: none;     /* remove bullets */
  margin: 0.25rem 0 1rem 0; /* spacing above/below lists */
  padding: 0;
}