/* -----------------------
   GLOBAL STYLES
------------------------ */
body {
    width: 100vw;
    height: 100vh;
    padding: 0;
    margin: 0;
    font-family: "Chivo", sans-serif;
    transition: 0.6s cubic-bezier(0.785, 0.135, 0.15, 0.86);
    background-image: radial-gradient(rgba(0, 0, 0, 0.12) 1px, transparent 1px);
    background-size: 20px 20px;
  }

  body.dark-dots {
    background-image: radial-gradient(rgba(255, 255, 255, 0.08) 1px, transparent 1px);
  }
  
  ::selection {
    color: #ffd600;
  }
  
  a {
    text-decoration: none;
  }
  
  /* Utility classes */
  .unselectable {
    user-select: none;
  }
  .spacer {
    height: 24px;
  }
  .link {
    text-decoration: underline;
  }
  .linkWithArrow::after {
    content: " →";
    transition: 0.2s ease;
  }
  .linkWithArrow:hover::after {
    padding-left: 16px;
  }
  h1, h2, h4 {
    margin: 0;
    font-weight: normal;
  }
  p {
    margin: 0;
    line-height: 1.5em;
  }
  .mobileOnly {
    display: none;
  }
  
  /* Row/column layout */
  .row {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    width: 100%;
  }
  .col {
    display: flex;
    flex-direction: column;
  }
  .col-30 {
    flex-basis: 30vw;
  }
  .col-50 {
    flex-basis: 50vw;
  }
  
  /* Colors */
  .whiteSVGFill { fill: white; }
  .darkSVGFill { fill: #0e0e0e; }
  .whiteText { color: white; }
  .whiteBackground { background-color: white; }
  .darkText { color: #0e0e0e; }
  .darkBackground { background-color: #0e0e0e; }
  .readingText { color: #444c58; }
  .lightText { color: #888; }
  .mainColorText { color: #ffd600; }
  .mainColorBackground { background-color: #ffd600; }
  .mainColorBackground-blur { background-color: rgba(255, 255, 255, 0.5); }
  
  /* Aspect ratio 1:1 */
  .aspectSquare {
    width: 30vw;
    height: 30vw;
    max-width: 300px;
    max-height: 300px;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
  }
  
  /* Blur background behind text */
  .addBlur {
    position: relative;
    z-index: 0;
  }
  .addBlur:before {
    content: "";
    position: absolute;
    bottom: 0; left: 0; top: 0; right: 0;
    z-index: -1;
    background: white;
    filter: blur(60px);
    transition: 0.3s ease;
  }
  .addBlur.darkBlur:before {
    background: #161616 !important;
  }
  
  /* profile-img ensures the <img> fills container */
  .profile-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  
  /* ========== NAV MENU & HAMBURGER ========== */
  .menuButton {
    width: 32px;
    height: 32px;
    position: fixed;
    top: 24px;
    left: 24px;
    z-index: 1000;
    cursor: pointer;
  }
  .mline {
    width: 100%;
    height: 5%;
    margin: 20% 0;
    transition: 0.2s ease;
  }
  .xline {
    position: absolute;
    top: 50%;
    width: 0;
    height: 5%;
  }
  .xline-t {
    transform-origin: left center;
    transform: translate(4.5px, 10px) rotate(-45deg);
    transition: 0.1s ease;
  }
  .xline-b {
    transform-origin: left center;
    transform: translate(4.5px, -12.5px) rotate(45deg);
    transition: 0.1s ease;
  }
  .toggleOpen {
    width: 0px !important;
  }
  .toggleClose {
    width: 100% !important;
  }
  
  /* Main menu container */
  #mainMenu {
    z-index: 10;
    position: fixed;
    left: 0; right: 0; top: 0;
    width: 100vw;
    height: 0;
    transition: 0.6s cubic-bezier(0.785, 0.135, 0.15, 0.86);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
  }
  .mainMenuOpen {
    height: 100vh !important;
    backdrop-filter: blur(10px);
  }
  .mainMenu-container {
    display: flex;
    justify-content: space-between;
    width: 64%;
    height: 48%;
  }
  .mainMenu-menu {
    align-self: flex-start;
  }
  .mainMenu-links {
    align-self: flex-end;
  }
  #mainMenu ul {
    list-style: none;
    margin: 0; 
    padding: 0;
  }
  .menu-options {
    font-size: 3em;
    text-transform: uppercase;
  }
  .menu-options li {
    margin-bottom: 16px;
  }
  .links-options {
    text-align: right;
  }
  .links-options li {
    margin-bottom: 16px;
  }
  /* Underline effect in menu links */
  #mainMenu .menu-options a::after {
    content: "";
    display: block;
    width: 0;
    transform: translateY(-8px);
    height: 3px;
    background: black;
    transition: 0.3s ease;
  }
  #mainMenu .menu-options a:hover::after {
    width: 100%;
  }
  .addAnimatedUnderline::after {
    content: "";
    display: block;
    width: 100%;
    margin-left: 100%;
    height: 2px;
    background: black;
    transition: 0.3s ease;
  }
  .addAnimatedUnderline:hover::after {
    margin-left: 0%;
  }
  
  /* Side utility */
  .utility-sidebar {
    z-index: 9;
    position: fixed;
    top: 24px;
    left: 24px;
    width: 32px;
    height: calc(100vh - 48px);
    display: flex;
    align-items: center;
    justify-content: center;
  }
  .vertical-section-indicator {
    transform: rotate(-90deg);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-size: 0.8em;
  }
  
  /* Animations */
  .animateEntry {
    position: relative;
    top: -50px;
    opacity: 0;
    transition: 1s ease;
  }
  #night-mode-toggle {
    width: 16px;
    height: 16px;
    position: fixed;
    bottom: 24px;
    left: 24px;
    z-index: 1000;
    cursor: pointer;
  }
  
  /* ========== LANDING SECTION ========== */
  #landing {
    width: 100%;
    height: 100%;
    box-sizing: border-box;
    background: url('background.gif') center center / cover no-repeat;
    border: 16px solid white;
    position: relative;
  }
  
  /* Make the 3D container transparent so the GIF shows underneath */
  #scene-container.bg {
    width: 100%;
    height: 100%;
    position: absolute;
    background-color: transparent !important;
  }
  
  .fg {
    width: 100%;
    height: 100%;
    position: absolute;
    display: flex;
    justify-content: center;
    align-items: center;
  }
  .landing-text {
    text-align: center;
    text-transform: uppercase;
    color: white;
    letter-spacing: 0.05em;
  }
  .emphasis {
    font-size: 1.4em;
  }
  .mobileOnly {
    display: none;
  }
  
  /* ========== CONTENT SECTIONS ========== */
  .contents {
    margin-left: 80px;
  }
  .section-withStickyIndicator {
    margin-right: 16px;
  }
  .stickySectionIndicator-container {
    width: 100%;
    height: 50vh;
    top: 25vh;
    background-position: center;
    background-repeat: no-repeat;
    background-size: 72%;
    position: sticky;
    align-self: flex-end;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  /* Scale the heading on hover = "crazier" effect */
  .stickySectionIndicator-heading {
    color: #ffd600;
    font-size: 3em;
    letter-spacing: 0.3em;
    transition: transform 0.6s ease, opacity 0.4s ease;
  }
  .stickySectionIndicator-heading:hover {
    transform: scale(1.08);
  }
  .stickySectionIndicator-heading.faded {
    opacity: 0.15;
  }
  
  /* ========== CURRENTLY BUILDING SECTION ========== */
  .building-list {
    display: flex;
    flex-direction: row;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    gap: 36px;
    padding: 20px 0;
  }

  .building-list::-webkit-scrollbar {
    display: none;
  }

  .building,
  .project {
    display: flex;
    flex-direction: column;
  }

  .numeral {
    font-size: 0.9em;
    margin-bottom: 8px;
  }

  .launching-soon {
    display: inline-block;
    margin-top: 8px;
    padding: 4px 10px;
    font-size: 0.7em;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: #ffd600;
    border: 1px solid #ffd600;
    border-radius: 3px;
  }

  /* Poster frame with white margins (like matted photo) */
  .poster-frame {
    width: 48vh;
    height: 64vh;
    max-width: 360px;
    max-height: 480px;
    background-color: white;
    padding: 16px;
    box-sizing: border-box;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    margin-bottom: 8px;
    transition: 0.3s ease;
  }

  .poster-image {
    width: 100%;
    height: 100%;
    background-size: contain;
    background-position: center;
    background-repeat: no-repeat;
  }

  .poster-frame:hover {
    transform: scale(1.02);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
  }

  /* Scroll container with buttons and hint */
  .scroll-container {
    position: relative;
  }

  .scroll-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-100%);
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid #eee;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    font-size: 24px;
    cursor: pointer;
    opacity: 0;
    transition: opacity 0.3s ease, background 0.2s ease;
    z-index: 5;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #333;
  }

  .scroll-container:hover .scroll-btn {
    opacity: 0.7;
  }

  .scroll-btn:hover {
    opacity: 1 !important;
    background: #ffd600;
  }

  .scroll-btn-left {
    left: -20px;
  }

  .scroll-btn-right {
    right: -20px;
  }

  .scroll-hint {
    text-align: center;
    font-size: 0.8em;
    margin-top: 8px;
    opacity: 0.6;
    transition: opacity 0.3s ease;
  }

  .scroll-hint.hidden {
    opacity: 0;
  }

  /* ========== PROJECTS SECTION ========== */
  .project-list {
    display: flex;
    flex-direction: row;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    gap: 36px;
    padding: 20px 0;
  }

  .project-list::-webkit-scrollbar {
    display: none;
  }

  /* Publications / etc. */
  .publication-list {
    display: flex;
    flex-direction: column;
  }
  .publication {
    display: flex;
    flex-direction: column;
    margin-bottom: 48px;
    transition: transform 0.4s ease, box-shadow 0.4s ease;
  }
  .publication-img {
    margin-bottom: 16px;
  }
  .publication-description {
    max-width: 500px;
    padding: 8px 32px 32px 32px;
  }

  /* 3D tilt effect on the entire card */
  .card3D {
    perspective: 1000px;
    transform-style: preserve-3d;
  }
  .card3D:hover {
    transform: translateY(-6px) rotateX(6deg) rotateY(6deg) scale(1.03);
    box-shadow: 0 20px 40px rgba(0,0,0,0.3);
  }

  /* Additional scale effect on the image itself */
  .imageLink .project-img:hover,
  .imageLink .publication-img:hover {
    transform: scale(1.05) rotate(1deg);
    transition: 0.3s ease;
  }
  
  /* Contact */
  .contact-container {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  .contact-container ul {
    list-style-type: none;
    margin: 0;
    padding: 0;
    font-size: 4em;
  }
  .contact-container li {
    margin: 16px;
    position: relative;
  }
  .contact-container a::after {
    content: "";
    position: absolute;
    width: 0;
    height: 80px;
    background: #ffd600;
    bottom: 0;
    left: 0; right: 0;
    z-index: -1;
    transition: 0.3s ease;
  }
  .contact-container a:hover::after {
    width: 100%;
  }
  
  /* Fade-in-up animation for scrolled elements: intersection observer adds .inView */
  .fadeInUp {
    opacity: 0;
    transform: translateY(50px);
    transition: 1s ease;
  }
  .fadeInUp.inView {
    opacity: 1;
    transform: translateY(0);
  }
  
  /* Footer */
  footer {
    margin: 2em 0;
  }
  
  /* ========== RESPONSIVE MEDIA QUERIES ========== */
  @media only screen and (max-width: 1024px) {
    #landing {
      border: 8px solid white;
    }
    .utility-sidebar {
      top: 16px; left: 16px;
      width: 24px;
      height: calc(100vh - 32px);
    }
    .vertical-section-indicator {
      font-size: 0.4em;
      letter-spacing: 0.025em;
    }
    .menuButton {
      top: 16px; left: 16px;
    }
    .contents {
      margin-left: 64px;
    }
    .aspectSquare {
      width: 40vw;
      height: 40vw;
      max-width: 300px;
      max-height: 300px;
    }
  }
  
  @media only screen and (max-width: 599px) {
    .mobileOnly {
      display: inline;
    }
    .menu-options {
      font-size: 2em;
    }
    .stickySectionIndicator-heading {
      font-size: 1.5em;
      letter-spacing: 0.15em;
    }

    .project-description, .publication-description {
      width: 100%;
      padding: 16px;
    }
    .about-text {
      margin-left: 16px;
      margin-right: 16px;
    }
    .contact-container ul {
      font-size: 2em;
    }
    .contact-container a::after {
      height: 40px;
    }
    .landing-text {
      font-size: 0.75em;
    }

    .aspectSquare {
      width: 70vw;
      height: 70vw;
      max-width: 400px;
      max-height: 400px;
    }

    /* Poster frame responsive */
    .poster-frame {
      width: 70vw;
      height: calc(70vw * 1.33);
      max-width: 280px;
      max-height: 373px;
      padding: 12px;
    }

    .building-list,
    .project-list {
      justify-content: flex-start;
    }

    .scroll-btn {
      display: none;
    }

    .scroll-hint {
      font-size: 0.7em;
    }
  }