:root {
      --bg-color: #0d1117;
      --surface-color: rgba(255, 255, 255, 0);
      --primary-accent: #00f0ff;
      --secondary-accent: #7b2cbf;
      --text-main: #f0f6fc;
      --text-muted: #a5adb8;
      --glass-border: rgba(255, 255, 255, 0.1);
  }

  body {
      font-family: 'Poppins', sans-serif;
      background-color: var(--bg-color);
      color: var(--text-main);
      overflow-x: hidden;
  }

  /* Typography */
  h1,
  h2,
  h3,
  h4,
  h5,
  h6 {
      font-weight: 700;
  }

  .text-gradient {
      background: linear-gradient(90deg, var(--primary-accent), #a277ff);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
  }

  /* Glassmorphism & Cards */
  .glass-card {
      background: var(--surface-color);
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
      border: 1px solid var(--glass-border);
      border-radius: 20px;
      padding: 2rem;
      transition: all 0.4s ease;
      height: 100%;
  }

  .glass-card:hover {
      transform: translateY(-5px);
      border-color: var(--primary-accent);
      box-shadow: 0 10px 30px rgba(0, 240, 255, 0.15);
  }

  /* Buttons */
  .btn-neon {
      background: transparent;
      color: var(--primary-accent);
      border: 2px solid var(--primary-accent);
      border-radius: 30px;
      padding: 12px 30px;
      font-weight: 600;
      transition: all 0.3s ease;
      position: relative;
      overflow: hidden;
      z-index: 1;
      text-align: center;
  }

  .btn-neon:hover {
      background: var(--primary-accent);
      color: #000;
      box-shadow: 0 0 20px var(--primary-accent);
  }

  .btn-primary-gradient {
      background: linear-gradient(45deg, var(--secondary-accent), var(--primary-accent));
      color: #fff;
      border: none;
      border-radius: 30px;
      padding: 12px 35px;
      font-weight: 600;
      transition: all 0.3s ease;
      text-align: center;
  }

  .btn-primary-gradient:hover {
      box-shadow: 0 0 20px rgba(0, 240, 255, 0.5);
      color: #fff;
      transform: scale(1.05);
  }

  /* Navbar */
  .navbar {
      background: rgba(13, 17, 23, 0.85) !important;
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--glass-border);
      padding: 15px 0;
  }

  .navbar-brand {
      font-weight: 800;
      font-size: 1.5rem;
      letter-spacing: 1px;
      color: #fff !important;
  }

  .nav-link {
      color: var(--text-main) !important;
      font-weight: 500;
      margin: 0 10px;
      transition: 0.3s;
  }

  .nav-link:hover {
      color: var(--primary-accent) !important;
  }

  .navbar-toggler {
      border: none;
      outline: none;
      box-shadow: none !important;
  }

  /* Hero Section */
  .hero-section {
      padding: 160px 0 100px;
      position: relative;
  }

  .hero-bg-glow {
      position: absolute;
      top: 20%;
      left: 50%;
      transform: translate(-50%, -50%);
      width: 100vw;
      max-width: 600px;
      height: 600px;
      background: radial-gradient(circle, rgba(123, 44, 191, 0.2) 0%, rgba(13, 17, 23, 0) 70%);
      z-index: -1;
  }

  .floating-img {
      animation: float 6s ease-in-out infinite;
      border-radius: 15px;
      box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
      border: 1px solid var(--glass-border);
      width: 100%;
  }

  @keyframes float {
      0% {
          transform: translateY(0px);
      }

      50% {
          transform: translateY(-15px);
      }

      100% {
          transform: translateY(0px);
      }
  }

  /* Trust Bar */
  .trust-bar {
      border-top: 1px solid var(--glass-border);
      border-bottom: 1px solid var(--glass-border);
      padding: 40px 0;
      background: rgba(0, 0, 0, 0.2);
  }

  .trust-icon {
      font-size: 2.5rem;
      color: var(--primary-accent);
      margin-bottom: 15px;
  }

  /* Timeline UI */
  .timeline {
      position: relative;
      max-width: 800px;
      margin: 0 auto;
  }

  .timeline::after {
      content: '';
      position: absolute;
      width: 2px;
      background: var(--glass-border);
      top: 0;
      bottom: 0;
      left: 50%;
      margin-left: -1px;
  }

  .timeline-container {
      padding: 10px 40px;
      position: relative;
      width: 50%;
  }

  .timeline-container::after {
      content: '';
      position: absolute;
      width: 20px;
      height: 20px;
      background-color: var(--bg-color);
      border: 4px solid var(--primary-accent);
      border-radius: 50%;
      top: 15px;
      z-index: 1;
      box-shadow: 0 0 10px var(--primary-accent);
  }

  .left {
      left: 0;
  }

  .right {
      left: 50%;
  }

  .left::after {
      right: -10px;
  }

  .right::after {
      left: -10px;
  }

  .timeline-content {
      padding: 20px;
      background: var(--surface-color);
      border-radius: 15px;
      border: 1px solid var(--glass-border);
  }

  /* FAQ Accordion */
  .accordion-item {
      background-color: transparent;
      border: 1px solid var(--glass-border);
      margin-bottom: 15px;
      border-radius: 10px !important;
  }

  .accordion-button {
      background-color: var(--surface-color);
      color: var(--text-main);
      border-radius: 10px !important;
      box-shadow: none !important;
      font-weight: 600;
      padding: 1.2rem;
  }

  .accordion-button:not(.collapsed) {
      background-color: rgba(0, 240, 255, 0.1);
      color: var(--primary-accent);
  }

  .accordion-button::after {
      filter: invert(1);
  }

  .accordion-body {
      color: var(--text-muted);
      padding: 1.2rem;
  }

  /* Footer */
  footer {
      border-top: 1px solid var(--glass-border);
      padding: 60px 0 20px;
      background: rgba(0, 0, 0, 0.3);
  }

  .footer-link {
      color: var(--text-muted);
      text-decoration: none;
      transition: 0.3s;
      display: block;
      margin-bottom: 10px;
  }

  .footer-link:hover {
      color: var(--primary-accent);
      padding-left: 5px;
  }

  .social-icons a {
      color: var(--text-main);
      font-size: 1.5rem;
      margin-right: 15px;
      transition: 0.3s;
  }

  .social-icons a:hover {
      color: var(--primary-accent);
      transform: translateY(-3px);
  }

  /* =========================================
           MOBILE RESPONSIVE OPTIMIZATIONS
           ========================================= */
  @media screen and (max-width: 991px) {
      .navbar-collapse {
          background: rgba(13, 17, 23, 0.98);
          padding: 1.5rem;
          border-radius: 15px;
          margin-top: 15px;
          border: 1px solid var(--glass-border);
          text-align: center;
          box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
      }

      .navbar-nav {
          margin-bottom: 1rem;
      }

      .nav-link {
          padding: 10px 0;
          border-bottom: 1px solid rgba(255, 255, 255, 0.05);
      }
  }

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

      /* Typography */
      .display-4 {
          font-size: 2.2rem !important;
      }

      h2 {
          font-size: 1.8rem !important;
      }

      .lead {
          font-size: 1rem !important;
      }

      /* Spacing */
      .hero-section {
          padding: 120px 0 60px;
          text-align: center;
      }

      .floating-img {
          margin-top: 40px;
      }

      .glass-card {
          padding: 1.5rem;
      }

      section {
          padding-top: 3rem !important;
          padding-bottom: 3rem !important;
      }

      /* Trust Bar */
      .trust-icon {
          font-size: 2rem;
          margin-bottom: 10px;
      }

      .trust-bar h3 {
          font-size: 1.5rem;
      }

      /* Mobile Buttons */
      .hero-buttons {
          flex-direction: column;
          width: 100%;
          gap: 15px !important;
      }

      .hero-buttons .btn {
          width: 100%;
      }

      /* Mobile Timeline Fix */
      .timeline::after {
          left: 20px;
      }

      .timeline-container {
          width: 100%;
          padding-left: 50px;
          padding-right: 15px;
      }

      .timeline-container::after {
          left: 10px;
      }

      .right {
          left: 0%;
      }

      .left::after,
      .right::after {
          left: 10px;
      }

      .timeline-content h5 {
          font-size: 1.1rem;
      }

      /* Student Benefits & Certificate order */
      .order-mobile-text-first {
          order: -1 !important;
          margin-bottom: 30px;
      }

      /* Footer */
      footer h5 {
          margin-top: 20px;
      }

      .social-icons {
          margin-bottom: 20px;
      }
  }