* {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }

    body {
      font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
      line-height: 1.6;
      color: #333;
    }

    .container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 20px;
    }
/* Navigation */
nav {
    background: white;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    transition: all 0.3s ease-in-out;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    max-width: 1200px;
    margin: auto;
}

.imagelogo {
    border-radius: 16px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: bold;
    color: #2563eb;
}

/* Navigation Links */
.nav-links {
    display: flex;
    list-style: none;
    gap: 1.5rem;
}

.nav-links button {
    background: none;
    border: none;
    padding: 0.6rem 1.2rem;
    border-radius: 8px;
    cursor: pointer;
    transition: background 0.3s ease, color 0.3s ease, transform 0.2s ease;
    color: #374151;
    font-size: 1rem;
    font-weight: 500;
}

.nav-links button:hover,
.nav-links button.active {
    background: #dbeafe;
    color: #2563eb;
    transform: scale(1.05);
}

/* Mobile Navigation Toggle */
.mobile-menu {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    margin-left: 1rem;
    z-index: 1100;
    border-radius: 8px;
    transition: background 0.2s;
}

.mobile-menu:focus,
.mobile-menu:hover {
    background: #e0e7ff;
}

.mobile-menu .bar {
    display: block;
    width: 28px;
    height: 3px;
    margin: 5px 0;
    background: #2563eb;
    border-radius: 2px;
    transition: all 0.3s;
}

/* Mobile Nav Overlay */
.mobile-nav {
    display: none;
    flex-direction: column;
    position: fixed;
    top: 64px;
    right: 0;
    width: 85vw;
    max-width: 340px;
    height: calc(100vh - 64px);
    background: linear-gradient(135deg, #e0e7ff 0%, #f3f4f6 100%);
    box-shadow: -4px 0 24px rgba(37,99,235,0.10);
    padding: 2.5rem 2rem 2rem 2rem;
    z-index: 1050;
    gap: 2rem;
    border-top-left-radius: 24px;
    border-bottom-left-radius: 24px;
    animation: slideInNav 0.35s cubic-bezier(.4,1.4,.6,1) both;
}

@keyframes slideInNav {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.mobile-nav.show {
    display: flex;
}

.mobile-nav .nav-links {
    flex-direction: column;
    gap: 1.2rem;
    display: flex;
    align-items: stretch;
    width: 100%;
    margin-top: 1.5rem;
}

.mobile-nav .nav-links button {
    width: 100%;
    text-align: left;
    padding: 0.85rem 1.4rem;
    font-size: 1.08rem;
    background: #fff;
    color: #2563eb;
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(37,99,235,0.06);
    margin-bottom: 0.2rem;
    font-weight: 600;
    letter-spacing: 0.01em;
    border: 1.5px solid #e0e7ff;
    transition: 
        background 0.22s, 
        color 0.22s, 
        box-shadow 0.22s, 
        border-color 0.22s, 
        transform 0.18s;
    position: relative;
    overflow: hidden;
}

.mobile-nav .nav-links button:hover,
.mobile-nav .nav-links button.active {
    background: linear-gradient(90deg, #2563eb 0%, #60a5fa 100%);
    color: #fff;
    border-color: #2563eb;
    box-shadow: 0 4px 16px rgba(37,99,235,0.12);
    transform: translateY(-2px) scale(1.03);
}

.mobile-nav .nav-links button::before {
    content: '';
    display: block;
    position: absolute;
    left: 0; top: 0; right: 0; bottom: 0;
    background: rgba(37,99,235,0.06);
    opacity: 0;
    transition: opacity 0.2s;
    pointer-events: none;
}

.mobile-nav .nav-links button:active::before {
    opacity: 1;
}

.mobile-nav .nav-links button:last-child {
    margin-bottom: 0;
}

.mobile-nav .close-btn {
    align-self: flex-end;
    background: none;
    border: none;
    font-size: 2rem;
    color: #2563eb;
    cursor: pointer;
    margin-bottom: 1.5rem;
    transition: color 0.2s;
}

.mobile-nav .close-btn:hover {
    color: #1d4ed8;
}

@media (max-width: 768px) {
    .nav-links {
        display: none !important;
    }
    .mobile-menu {
        display: block !important;
    }
    .mobile-nav {
        display: none;
    }
    .mobile-nav.show {
        display: flex !important;
    }
}
    /* Sections */
    .section {
      display: none;
      min-height: 100vh;
      padding-top: 80px;
    }

    .section.active {
      display: block;
    }

    /* Home Section */
    .hero {
      background: linear-gradient(135deg, #dbeafe 0%, #e0e7ff 100%);
      padding: 5rem 0;
      text-align: center;
    }

    .hero h1 {
      font-size: 3rem;
      margin-bottom: 1rem;
      color: #1f2937;
    }

    .hero .highlight {
      color: #2563eb;
    }

    .hero p {
      font-size: 1.25rem;
      color: #6b7280;
      margin-bottom: 2rem;
      max-width: 600px;
      margin-left: auto;
      margin-right: auto;
    }

    .cta-buttons {
      display: flex;
      gap: 1rem;
      justify-content: center;
      flex-wrap: wrap;
    }

    .btn {
      padding: 0.75rem 2rem;
      border-radius: 8px;
      font-weight: 600;
      text-decoration: none;
      cursor: pointer;
      border: none;
      transition: all 0.3s ease;
      font-size: 1rem;
    }

    .btn-primary {
      background: #2563eb;
      color: white;
    }

    .btn-primary:hover {
      background: #1d4ed8;
    }

    .btn-secondary {
      background: transparent;
      color: #2563eb;
      border: 2px solid #2563eb;
    }

    .btn-secondary:hover {
      background: #2563eb;
      color: white;
    }

    .features {
      padding: 4rem 0;
    }

    .features-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: 2rem;
      margin-top: 3rem;
    }

    .feature-card {
      background: white;
      padding: 2rem;
      border-radius: 12px;
      box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
      text-align: center;
    }

    .feature-icon {
      font-size: 3rem;
      margin-bottom: 1rem;
    }
 * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            color: #333;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            margin-top: 50px;

        }

        /* Section Styles */
        .section {
            padding: 5rem 0;
        }

        .courses {
            background: #f9fafb;
        }

        .section-header {
            text-align: center;
            margin-bottom: 3rem;
        }

        .section-header h2 {
            font-size: 2.5rem;
            margin-bottom: 1rem;
            color: #1f2937;
        }

        .section-header p {
            font-size: 1.1rem;
            color: #6b7280;
        }

        /* Course Categories Navigation */
        .course-categories {
            margin-bottom: 2rem;
            display: flex;
            justify-content: center;
            gap: 1rem;
            flex-wrap: wrap;
        }

        .btn {
            padding: 0.75rem 1.5rem;
            border: none;
            border-radius: 8px;
            cursor: pointer;
            font-size: 1rem;
            font-weight: 500;
            transition: all 0.3s ease;
        }

        .btn-secondary {
            background: #e5e7eb;
            color: #374151;
        }

        .btn-secondary:hover,
        .btn-secondary.active {
            background: #2563eb;
            color: white;
        }

        /* Course Category */
        .course-category {
            display: none;
        }

        .course-category.active {
            display: block;
        }

        .course-category h3 {
            text-align: center;
            margin-bottom: 2rem;
            font-size: 1.8rem;
            color: #2563eb;
        }
        

        /* Subject Cards Grid */
        .subjects-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }

        .subject-card {
            background: white;
            border-radius: 12px;
            padding: 1.5rem;
            box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
            transition: all 0.3s ease;
            height: 100%;
            display: flex;
            flex-direction: column;
            min-height: 200px;
        }

        .subject-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
        }

        .subject-header {
            display: flex;
            align-items: center;
            margin-bottom: 1rem;
        }

        .subject-header h4 {
            margin: 0;
            color: #1f2937;
            font-size: 1.25rem;
        }

        .subject-header p {
            margin: 0.25rem 0 0 0;
            color: #6b7280;
            font-size: 0.9rem;
        }

        .subject-content {
            flex: 1;
        }

        .subject-content h5 {
            margin-bottom: 0.75rem;
            color: #374151;
            font-size: 1rem;
        }

        /* Standards/Levels Display */
        .standards-scroll,
        .levels-scroll {
            display: flex;
            gap: 0.75rem;
            overflow-x: auto;
            padding-bottom: 0.5rem;
            flex-wrap: wrap;
        }

        .standards-scroll span,
        .level-badge {
            min-width: 100px;
            background: #f3f4f6;
            padding: 0.55rem;
            border-radius: 8px;
            text-align: center;
            font-size: 0.875rem;
            font-weight: 500;
            color: #374151;
            flex-shrink: 0;
        }

        .level-badge {
            min-width: 120px;
            display: flex;
            flex-direction: column;
            gap: 0.25rem;
        }

        .level-badge .level-name {
            font-weight: bold;
            color: #1f2937;
        }

        .level-badge .level-desc {
            font-size: 0.8rem;
            color: #6b7280;
        }

        /* Responsive Design */
        @media (max-width: 768px) {
            .subjects-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }

            .subject-card {
                min-height: 180px;
            }

            .section-header h2 {
                font-size: 2rem;
            }

            .course-category h3 {
                font-size: 1.5rem;
            }
        }

        @media (min-width: 769px) and (max-width: 1024px) {
            .subjects-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (min-width: 1025px) {
            .subjects-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }
    /* Forms */
    .form-section {
      padding: 5rem 0;
      background: #f9fafb;
    }

    .form-container {
      max-width: 500px;
      margin: 0 auto;
      background: white;
      padding: 2rem;
      border-radius: 12px;
      box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    }

    .form-group {
      margin-bottom: 1.5rem;
    }

    .form-group label {
      display: block;
      margin-bottom: 0.5rem;
      font-weight: 500;
      color: #374151;
    }

    .form-group input,
    .form-group textarea {
      width: 100%;
      padding: 0.75rem;
      border: 1px solid #d1d5db;
      border-radius: 6px;
      font-size: 1rem;
      transition: border-color 0.3s ease;
    /* Responsive */
    @media (max-width: 768px) {
      .nav-links {
        display: none !important;
      }

      .mobile-menu {
        display: block !important;
      }

      .mobile-nav {
        display: none;
      }
      .mobile-nav.show {
        display: flex !important;
      }

      .hero h1 {
        font-size: 2rem;
      }

      .cta-buttons {
        flex-direction: column;
        align-items: center;
      }

      .btn {
        width: 100%;
        max-width: 250px;
      }
    }

      .mobile-nav.show {
        display: flex;
      }

      .hero h1 {
        font-size: 2rem;
      }

      .cta-buttons {
        flex-direction: column;
        align-items: center;
      }

      .btn {
        width: 100%;
        max-width: 250px;
      }
    }

    /* Elegant and bigger select dropdowns */
  .elegant-select {
    width: 100%;
    min-height: 52px;
    font-size: 1.15rem;
    padding: 0.75rem 1.2rem;
    border-radius: 10px;
    border: 1.5px solid #2563eb;
    background: #f3f6fd;
    color: #1f2937;
    transition: border-color 0.3s, box-shadow 0.3s;
    box-shadow: 0 2px 8px rgba(37,99,235,0.06);
    appearance: none;
    outline: none;
    margin-top: 0.25rem;
  }

  .elegant-select:focus {
    border-color: #1d4ed8;
    box-shadow: 0 0 0 3px rgba(37,99,235,0.12);
    background: #e0e7ff;
  }

  .elegant-select option {
    font-size: 1.05rem;
    padding: 0.7rem;
    background: #fff;
    color: #1f2937;
  }