@font-face {
    font-family: 'Standard';
    src: url('Fonts/Ubuntu-Regular.ttf') format('woff2'),
         url('Fonts/Ubuntu-Light.ttf') format('woff'),
         url('Fonts/Ubuntu-Bold.ttf') format('truetype');
    font-weight: normal;
    font-style: normal;
  }
  
  :root {
    --primary-color: #1E1F26;
    --secondary-color: #283655;
    --text-color: #999;
    --secondary-text-color: #b9b9b9;
    --background-color: #D0E1F9;
  }
  
  /* ------- Reset & Base ------- */
  * {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  
  body {
    font-family: 'Standard', sans-serif;
    color: var(--text-color);
    background: #f2f2f2;
    text-align: center;
  }
  
  /* ------- Header / Navigation ------- */
  header {
    width: 100%;
    z-index: 888;
    background-color: rgb(28, 32, 43);
    position: fixed;
  }
  
  nav {
    width: 100%;
  }
  
  nav ul {
    width: 100%;
    list-style: none;
    display: flex;
    justify-content: flex-start;
    align-items: center;
  }
  
  nav li {
    height: 60px;
  }
  
  nav a {
    height: 100%;
    padding: 0 30px;
    display: flex;
    align-items: center;
    color: white;
    text-decoration: none;
    font-weight: bold;
    font-size: large;
  }
  
  nav a:hover {
    color: rgb(148, 143, 143);
  }
  
  .sidebar {
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    width: 250px;
    z-index: 999;
    background-color: rgba(28, 32, 43, 0.958);
    backdrop-filter: blur(10px);
    box-shadow: -10px 0 10px rgba(0, 0, 0, 0.2);
    display: none;
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
  }
  
  .sidebar li {
    width: 100%;
  }
  
  .menu-button {
    display: none;
  }
  
  .hideOnMobile {
    display: block;
  }
  
  /* ------- Layout ------- */
  .main-container.projects {
    width: 100%;
    box-sizing: border-box;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    background: linear-gradient(to bottom, #2530a8, #3331b1);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    position: relative;
    z-index: 0;
  }
  
  .main-container.projects::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(217, 217, 217, 0.937);
    z-index: -1;
  }
  
  /* ------- Intro ------- */
  h1 {
    font-size: clamp(20px, 20vw, 30px);
    line-height: 115%;
    text-align: center;
    margin-top: 5vw;
    color: rgba(0, 0, 0, 0.863);
  }
  
  .intro {
    padding: 0 20px;
    margin-top: 60px;
    max-width: 1000px;
    text-align: justify;
  }
  
  .intro-text {
    text-align: justify;
    hyphens: auto;
    max-width: 900px;
    font-size: 1.1rem;
    font-weight: 400;
    line-height: 1.8;
    color: rgba(29, 28, 28, 0.87);
    margin: 40px auto;
    padding: 0 20px;
    background-color: rgba(255, 255, 255, 0.14);
    border-radius: 12px;
  }
  
  /* ------- Carousel ------- */
  .carousel-container {
    position: relative;
    width: 100%;
    max-width: 1000px;
    margin: 40px auto;
    height: 320px;
  }
  
  .carousel-track {
    position: relative;
    height: 100%;
  }
  
  .carousel-card {
    position: absolute;
    top: 0;
    left: 50%;
    width: 300px;
    height: 100%;
    background: white;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 8px 16px rgba(0,0,0,0.2);
    transition: all 0.4s ease;
    transform: translateX(-50%) scale(0.8);
    filter: blur(2px);
    opacity: 0.5;
    z-index: 1;
    text-decoration: none;
    color: inherit;
    pointer-events: none;
  }
  
  .carousel-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
  }
  
  .carousel-card h3 {
    margin: 10px;
    color: black;
  }
  
  .carousel-card.center {
    transform: translateX(-50%) scale(1);
    filter: none;
    opacity: 1;
    z-index: 3;
    pointer-events: auto;
  }
  
  .carousel-card.center:hover {
    transform: translateX(-50%) scale(1.03);
  }
  
  .carousel-card.left {
    transform: translateX(-150%) scale(0.8);
    z-index: 2;
  }
  
  .carousel-card.right {
    transform: translateX(50%) scale(0.8);
    z-index: 2;
  }
  
  .carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    padding: 0;
    cursor: pointer;
    z-index: 10;
    background: transparent;
    border: none;
  }
  
  .carousel-btn img {
    width: 56px;
    height: 56px;
  }
  
  .carousel-btn.left {
    left: -40px;
  }
  
  .carousel-btn.right {
    right: -40px;
  }
  
  /* ------- Footer ------- */
  footer {
    display: flex;
    margin-top: 5vw;
    margin-bottom: 3vw;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-decoration: none;
    list-style: none;
    width: 80%;
  }
  
  footer a {
    text-decoration: underline;
    font-size: 16px;
    line-height: 1.5;
    color: gray;
  }
  
  footer p {
    margin-top: 4vw;
    color: black;
  }
  
  /* ------- Responsive Design ------- */
  @media (max-width: 1279px) and (min-width: 1024px) {
    .carousel-card {
      width: 260px;
      height: 280px;
    }
  
    .carousel-btn {
         top: 46%;
    }

    .carousel-btn.left {
      left: 40px;
    }
  
    .carousel-btn.right {
      right: 40px;
    }
  
    .intro-text {
      font-size: 1.1rem;
      padding: 0 40px;
    }
  }
  
  @media (max-width: 1023px) and (min-width: 768px) {
    .carousel-card {
      width: 220px;
      height: 260px;
    }
  
    .carousel-btn {
        top: 44%;
   }

    .carousel-btn.left {
      left: 20px;
    }
  
    .carousel-btn.right {
      right: 20px;
    }
  
    .intro-text {
      padding: 0 30px;
    }
  }
  
  @media (max-width: 767px) and (min-width: 480px) {
    .carousel-container {
      position: relative;
      display: flex;
      justify-content: center;
      align-items: center;
      height: auto;
      padding: 0 40px;
    }
  
    .carousel-track {
      display: flex;
      justify-content: center;
      align-items: center;
      height: 100%;
      width: 100%;
      position: static;
    }
  
    .carousel-card {
      position: static;
      width: 280px;
      height: 240px;
      transform: none;
      filter: none;
      opacity: 1;
      pointer-events: auto;
      margin: 0 auto;
    }
  
    .carousel-card.left,
    .carousel-card.right {
      display: none;
    }
  
    .carousel-btn {
      position: absolute;
      top: 50%;
      transform: translateY(-50%);
    }
  
    .carousel-btn.left {
      left: 50px;
    }
  
    .carousel-btn.right {
      right: 50px;
    }

    .carousel-card.center {
        transform: none;
      }
  
    .carousel-btn img {
      width: 40px;
      height: 40px;
    }

    .intro {
      padding-left: 0;
      padding-right: 0;
      margin-left: 10vw;
      margin-right: 10vw;
    }
  
    .intro-text {
      padding: 10px 20px;
    }
  
    h1 {
      font-size: 1.6rem;
      margin-top: 7vw;
    }
  
    .menu-button {
      display: block;
    }
  
    .hideOnMobile {
      display: none;
    }
  }
  
  @media (max-width: 480px) {
    .carousel-container {
      position: relative;
      display: flex;
      justify-content: center;
      align-items: center;
      height: auto;
      padding: 0 20px;
      margin-top: 10px;
    }
  
    .carousel-track {
      display: flex;
      justify-content: center;
      align-items: center;
      height: 100%;
      width: 100%;
      position: static;
    }
  
    .carousel-card {
      position: static;
      width: 240px;
      height: 240px;
      transform: none;
      filter: none;
      opacity: 1;
      pointer-events: auto;
      margin: 0 auto;
    }
  
    .carousel-card.left,
    .carousel-card.right {
      display: none;
    }
  
    .carousel-card.center {
      transform: none;
    }
  
    .carousel-btn {
      position: absolute;
      top: 50%;
      transform: translateY(-50%);
    }
  
    .carousel-btn.left {
      left: 20px;
    }
  
    .carousel-btn.right {
      right: 20px;
    }
  
    .carousel-btn img {
      width: 40px;
      height: 40px;
    }
  
  
    .menu-button {
      display: block;
    }
  
    .hideOnMobile {
      display: none;
    }

    h1 {
        font-size: 1.6rem;
        margin-top: 2rem;
    }

    .intro-text {
        padding: 10px 20px;
      }
  }

/* --------- LANDSCAPE ON MOBILE SUPPORT --------- */
@media screen and (orientation: landscape) and (max-height: 500px) {
  .menu-button {
    display: block;
  }

  .hideOnMobile {
    display: none;
  }

  nav ul {
    flex-wrap: wrap;
    justify-content: flex-end;
  }

  .intro {
    margin-left: 60px;
    margin-right: 60px;
  }

  .intro-text {
    font-size: 1rem;
    padding: 10px 15px;
  }

  .carousel-container {
    padding: 0 20px;
    height: auto;
  }

  .carousel-track {
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: center;
    position: static;
  }

  .carousel-card {
    position: static;
    transform: none;
    filter: none;
    opacity: 1;
    pointer-events: auto;
    width: 260px;
    height: 260px;
    margin: 0 10px;
  }

  .carousel-card.left,
  .carousel-card.right {
    display: none;
  }

  .carousel-card.center {
    transform: none;
  }

  .carousel-btn {
    top: 50%;
    transform: translateY(-50%);
  }

  .carousel-btn.left {
    left: 100px;
  }

  .carousel-btn.right {
    right: 100px;
  }

  .carousel-btn img {
    width: 60px;
    height: 60px;
  }
}