:root {
      --primary: #2563eb;
      --primary-dark: #1d4ed8;
      --secondary: #8b5cf6;
      --accent: #f59e0b;
      --dark: #0f172a;
      --light: #f8fafc;
      --text-main: #334155;
      --text-muted: #64748b;
      --glass-bg: rgba(255, 255, 255, 0.08);
      --glass-border: rgba(255, 255, 255, 0.15);
      --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.1);
    }

    body {
      font-family: 'Plus Jakarta Sans', sans-serif;
      color: var(--text-main);
      background-color: #fdfdfd;
      overflow-x: hidden;
    }

    h1, h2, h3, h4, h5, h6 {
      color: var(--dark);
      letter-spacing: -0.02em;
    }

    /* Premium Text Gradients */
    .text-gradient {
      background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
    }

    /* =========================
       HEADER & NAVIGATION
    ========================= */
    .site-header {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      z-index: 1030;
      transition: all 0.4s ease;
      background: #fff;
      padding: 15px 0;
    }

    .site-header.scrolled {
      background: rgba(255, 255, 255, 0.85);
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
      box-shadow: 0 4px 30px rgba(0, 0, 0, 0.05);
      padding: 10px 0;
      border-bottom: 1px solid rgba(255, 255, 255, 0.3);
    }

    .site-header.scrolled .nav-link { color: var(--text-main) !important; }
    .site-header.scrolled .navbar-brand { color: var(--dark) !important; }
    
    .nav-link {
      color: #000 !important;
      font-weight: 500;
      font-size: 0.95rem;
      transition: color 0.3s ease;
      position: relative;
    }

    .nav-link::after {
      content: '';
      position: absolute;
      width: 0;
      height: 2px;
      bottom: 0;
      left: 50%;
      background-color: var(--primary);
      transition: all 0.3s ease;
      transform: translateX(-50%);
    }

    .nav-link:hover::after { width: 80%; }

    .btn-premium {
      background: linear-gradient(135deg, var(--primary), var(--secondary));
      color: #fff;
      border: none;
      border-radius: 50px;
      padding: 10px 24px;
      font-weight: 600;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
    }

    .btn-premium:hover {
      transform: translateY(-2px);
      box-shadow: 0 10px 20px rgba(37, 99, 235, 0.3);
      color: #fff;
    }

    /* =========================
       HERO SECTION (IMMERSIVE)
    ========================= */
    .course-hero {
      background: linear-gradient(135deg, #020617 0%, #1e1b4b 100%);
      padding: 160px 0 100px 0;
      min-height: 90vh;
      display: flex;
      align-items: center;
    }

    #particles-bg {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      z-index: 1;
      opacity: 0.6;
    }

    .hero-glass-card {
      background: rgba(255, 255, 255, 0.05);
      backdrop-filter: blur(20px);
      -webkit-backdrop-filter: blur(20px);
      border: 1px solid var(--glass-border);
      border-radius: 24px;
      box-shadow: var(--glass-shadow);
    }

    /* =========================
       SAAS CARDS & CONTAINERS
    ========================= */
    .saas-card {
      background: #fff;
      border-radius: 20px;
      border: 1px solid rgba(0, 0, 0, 0.04);
      box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.02), 0 2px 4px -1px rgba(0, 0, 0, 0.02);
      transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
      position: relative;
      overflow: hidden;
      z-index: 1;
    }

    .saas-card::before {
      content: "";
      position: absolute;
      top: 0; left: 0; right: 0;
      height: 4px;
      background: linear-gradient(90deg, var(--primary), var(--secondary));
      opacity: 0;
      transition: opacity 0.3s ease;
      z-index: 2;
    }

    .saas-card:hover {
      transform: translateY(-8px);
      box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.05), 0 10px 10px -5px rgba(0, 0, 0, 0.02);
    }

    .saas-card:hover::before { opacity: 1; }

    .icon-box {
      width: 60px;
      height: 60px;
      border-radius: 16px;
      display: flex;
      align-items: center;
      justify-content: center;
      background: rgba(37, 99, 235, 0.1);
      color: var(--primary);
      font-size: 1.5rem;
      margin-bottom: 1.2rem;
      transition: all 0.3s ease;
    }

    .saas-card:hover .icon-box {
      background: var(--primary);
      color: #fff;
    }
    
    
    .main-h1
    {
        color: #fff !important;
    }
    
    .main-head
    {
        color: #fff !important;
        line-height: 1.25;
    }
    
    .footer-logo
    {
        height: 90px;
        background: #fff;
        padding: 10px;
        position: relative;
        top: -49px;
        border-radius: 0 0 15px 15px;
    }

    /* =========================
       GLASSMORPHISM SYLLABUS
    ========================= */
    .syllabus-section {
      background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
      position: relative;
    }
    
    .syllabus-glass-card {
      background: rgba(255, 255, 255, 0.03);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border: 1px solid rgba(255, 255, 255, 0.08);
      border-radius: 20px;
      transition: all 0.3s ease;
      box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
    }

    .syllabus-glass-card:hover {
      background: rgba(255, 255, 255, 0.08);
      transform: translateY(-5px);
      border-color: rgba(255, 255, 255, 0.2);
    }

    .syllabus-icon {
      width: 50px;
      height: 50px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--secondary), var(--primary));
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 0 auto 1rem auto;
      font-size: 1.2rem;
      box-shadow: 0 4px 15px rgba(139, 92, 246, 0.3);
    }

    /* =========================
       PARALLAX SECTION
    ========================= */
    .parallax-section {
      background: url('https://images.unsplash.com/photo-1503387762-592deb58ef4e?ixlib=rb-1.2.1&auto=format&fit=crop&w=1920&q=80') center/cover fixed;
      position: relative;
      padding: 120px 0;
    }
    .parallax-overlay {
      position: absolute;
      top: 0; left: 0; right: 0; bottom: 0;
      background: linear-gradient(to right, rgba(15, 23, 42, 0.9), rgba(30, 27, 75, 0.8));
    }

    /* =========================
       CAREER CARDS
    ========================= */
    .career-card {
      border: none;
      border-radius: 20px;
      overflow: hidden;
      position: relative;
      z-index: 1;
      transition: all 0.3s ease;
    }
    .career-card::before {
      content: '';
      position: absolute;
      top: 0; left: 0; width: 100%; height: 100%;
      background: linear-gradient(45deg, rgba(255,255,255,0.1), rgba(255,255,255,0));
      z-index: -1;
    }

    /* =========================
       FAQ PREMIUM ACCORDION
    ========================= */
    .accordion-item {
      border: 1px solid rgba(0,0,0,0.05);
      border-radius: 16px !important;
      margin-bottom: 1rem;
      overflow: hidden;
      box-shadow: 0 2px 4px rgba(0,0,0,0.02);
    }
    .accordion-button {
      font-weight: 600;
      color: var(--dark);
      padding: 1.25rem 1.5rem;
      background-color: #fff;
      box-shadow: none !important;
    }
    .accordion-button:not(.collapsed) {
      color: var(--primary);
      background-color: #f8fafc;
    }
    .accordion-body {
      color: var(--text-muted);
      background-color: #f8fafc;
      padding: 0 1.5rem 1.25rem 1.5rem;
      line-height: 1.6;
    }

    /* =========================
       MODAL (GLASSMORPHISM)
    ========================= */
    .futuristic-modal {
      border-radius: 24px;
      box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
      background: rgba(255,255,255,0.9);
      backdrop-filter: blur(20px);
    }
    .modal-left {
      background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
      border-radius: 24px 0 0 24px;
    }
    .futuristic-input {
      border: 1px solid #e2e8f0;
      border-radius: 12px;
      padding: 0.75rem 1rem;
      background: rgba(255,255,255,0.8);
      transition: all 0.3s;
    }
    .futuristic-input:focus {
      border-color: var(--primary);
      box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.1);
    }

    /* =========================
       FOOTER
    ========================= */
    .site-footer {
      background: #020617;
      border-top: 1px solid rgba(255,255,255,0.05);
    }
    .footer-link {
      color: #94a3b8;
      text-decoration: none;
      transition: color 0.3s ease;
    }
    .footer-link:hover { color: #fff; }
    .social-icon {
      width: 36px; height: 36px;
      border-radius: 50%;
      background: rgba(255,255,255,0.1);
      display: flex; align-items: center; justify-content: center;
      color: #fff;
      transition: all 0.3s ease;
      text-decoration: none;
    }
    .social-icon:hover {
      background: var(--primary);
      transform: translateY(-3px);
    }

    /* Floating Buttons */
    .floating {
      position: fixed;
      bottom: 30px;
      right: 30px;
      display: flex;
      flex-direction: column;
      gap: 10px;
      z-index: 1000;
    }
    .floating a {
      width: 50px;
      height: 50px;
      border-radius: 50%;
      background: var(--primary);
      color: #fff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.5rem;
      box-shadow: 0 4px 15px rgba(0,0,0,0.2);
      transition: transform 0.3s ease;
      text-decoration: none;
    }
    .floating a:first-child { background: #25D366; } /* WhatsApp Green */
    .floating a:hover { transform: scale(1.1); }
    
    .mobile-side-buttons {
      position: fixed;
      bottom: 0;
      width: 100%;
      display: flex;
      z-index: 1020;
      background: #fff;
      box-shadow: 0 -4px 20px rgba(0,0,0,0.1);
    }
    .side-btn {
      flex: 1;
      text-align: center;
      padding: 15px 0;
      color: #fff;
      font-weight: 600;
      text-decoration: none;
      font-size: 0.9rem;
    }
    .btn-enroll { background: var(--primary); }
    .btn-syllabus { background: var(--dark); }
    .btn-certification { background: var(--secondary); }

    /* Utilities */
    .img-gray-hover {
      filter: grayscale(100%);
      transition: filter 0.3s ease;
      opacity: 0.7;
    }
    .img-gray-hover:hover {
      filter: grayscale(0%);
      opacity: 1;
    }