/* === custom styles === */
    :root {
      --primary-deep: #0b2b4f;
      --accent-gold: #c6a43f;
      --light-bg: #f8fafc;
      --footer-bg: #101c2c;
      --shadow-card: 0 12px 30px rgba(0, 0, 0, 0.08), 0 4px 10px rgba(0, 0, 0, 0.03);
      --transition-default: all 0.25s ease;
    }

    body {
      background-color: #ffffff;
      font-family: 'Segoe UI', system-ui, -apple-system, 'Helvetica Neue', sans-serif;
    }

    /* header top row */
    .header-top {
      background: white;
      padding: 0.75rem 0;
      border-bottom: 1px solid rgba(0,0,0,0.05);
    }

    .college-brand {
      display: flex;
      align-items: center;
      gap: 0.85rem;
    }
    /* image‑based logo replaces previous generated box */
    .college-logo-img {
      width: 60px;               /* slightly larger to show detail */
      height: 60px;
      object-fit: contain;       /* keeps full logo visible */
      border-radius: 10px;       /* subtle rounding – can be removed if not desired */
      background-color: #f0f4f9; /* soft background while image loads */
      padding: 4px;              /* some breathing */
    }
    .college-name {
      font-weight: 600;
      font-size: 1.5rem;
      letter-spacing: -0.02em;
      color: var(--primary-deep);
      line-height: 1.2;
    }
    .college-name small {
      font-size: 0.85rem;
      font-weight: 400;
      color: #5e6f88;
      display: block;
    }

    .social-header a {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 42px;
      height: 42px;
      border-radius: 50%;
      background: #f0f4f9;
      color: var(--primary-deep);
      font-size: 1.4rem;
      margin-left: 0.5rem;
      transition: var(--transition-default);
    }
    .social-header a:hover {
      background: var(--primary-deep);
      color: white;
      transform: translateY(-3px);
    }

    /* sticky navbar */
    .sticky-nav {
      position: sticky;
      top: 0;
      z-index: 1050;
      background: white;
      box-shadow: 0 8px 18px rgba(0,0,0,0.04), 0 2px 4px rgba(0,0,0,0.05);
      padding: 0.3rem 0;
    }

    .navbar-custom .navbar-nav .nav-link {
      font-weight: 600;
      color: #1f2a3e;
      padding: 1rem 1.3rem !important;
      transition: 0.2s;
      font-size: 1.1rem;
    }
    .navbar-custom .navbar-nav .nav-link:hover {
      color: var(--accent-gold);
      background: rgba(198, 164, 63, 0.05);
    }
    .dropdown-menu {
      border: none;
      background: white;
      box-shadow: 0 20px 35px -8px rgba(0,35,65,0.2);
      border-radius: 16px;
      padding: 0.8rem 0;
      margin-top: 0.5rem;
    }
    .dropdown-item {
      padding: 0.6rem 1.8rem;
      font-weight: 500;
      color: #2c3e5c;
    }
    .dropdown-item:hover {
      background: #f1f6fd;
      color: var(--primary-deep);
    }

    /* carousel */
    .carousel-inner img {
      width: 100%;
      object-fit: cover;
      height: 480px;
      filter: brightness(0.86);
    }
    @media (max-width: 768px) {
      .carousel-inner img { height: 300px; }
    }

    .carousel-control-prev-icon,
    .carousel-control-next-icon {
      background-color: rgba(10, 30, 50, 0.5);
      border-radius: 50%;
      padding: 1.5rem;
    }

    /* course cards */
    .course-card {
      border: none;
      border-radius: 28px;
      background: white;
      box-shadow: var(--shadow-card);
      padding: 2rem 1.2rem;
      text-align: center;
      transition: 0.2s;
      height: 100%;
      border: 1px solid rgba(0,0,0,0.02);
    }
    .course-card:hover {
      transform: scale(1.01);
      box-shadow: 0 25px 40px -12px rgba(11,43,79,0.25);
    }
    .course-icon {
      font-size: 3.2rem;
      color: var(--primary-deep);
      margin-bottom: 1.2rem;
    }
    .course-card h4 {
      font-weight: 700;
      color: #0b2b4f;
      margin-bottom: 0.75rem;
    }
    .course-card p {
      color: #4a5b73;
    }

    /* footer */
    .footer {
      background: var(--footer-bg);
      color: #d3deed;
      padding: 3.5rem 0 2rem;
      margin-top: 2.5rem;
    }
    .footer h6 {
      color: white;
      font-weight: 600;
      letter-spacing: 0.03em;
      margin-bottom: 1.4rem;
      font-size: 1.2rem;
    }
    .footer-logo {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 1rem;
    }
    .footer-logo .logo-mini {
      width: 48px;
      height: 48px;
      background: var(--accent-gold);
      border-radius: 12px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 1.8rem;
      color: #101c2c;
    }
    .footer-address {
      font-style: normal;
      line-height: 1.7;
      margin-bottom: 1.5rem;
      color: #b0c2d6;
    }
    .footer-social a {
      color: white;
      background: #233449;
      width: 40px;
      height: 40px;
      border-radius: 40px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      margin-right: 12px;
      font-size: 1.3rem;
      transition: 0.2s;
    }
    .footer-social a:hover {
      background: var(--accent-gold);
      color: #0b1a28;
    }

    .footer-links {
      list-style: none;
      padding: 0;
    }
    .footer-links li {
      margin-bottom: 0.8rem;
    }
    .footer-links a {
      color: #b6c8e0;
      text-decoration: none;
      transition: 0.2s;
    }
    .footer-links a:hover {
      color: white;
      padding-left: 5px;
    }

    .footer-video {
      background: #1f2f40;
      border-radius: 20px;
      padding: 1rem;
      display: flex;
      align-items: center;
      justify-content: center;
      aspect-ratio: 16/9;
      border: 1px solid #3e536a;
      box-shadow: 0 15px 25px -8px black;
    }
    .footer-video .video-placeholder {
      display: flex;
      flex-direction: column;
      align-items: center;
      color: #a1bbda;
    }
    .footer-video i {
      font-size: 3.5rem;
      color: var(--accent-gold);
      margin-bottom: 8px;
    }

    .footer-bottom {
      border-top: 1px solid #1f3246;
      margin-top: 2.8rem;
      padding-top: 1.8rem;
      text-align: center;
      color: #7b95b3;
    }

    @media (max-width: 992px) {
      .college-name { font-size: 1.25rem; }
      .navbar-custom .navbar-nav .nav-link { padding: 0.7rem 1rem !important; }
    }
    @media (max-width: 576px) {
      .header-top .row { row-gap: 0.8rem; }
      .social-header { text-align: left !important; margin-top: 0.3rem; }
    }