:root {
    /* Main colors */
    --primary-color: #4a6fa5;
    --secondary-color: #166088;
    --accent-color: #4fc3f7;
    --background-color: #f5f9fc;
    --card-color: #ffffff;
    --text-color: #2c3e50;
    --text-secondary: #546e7a;
    --success-color: #66bb6a;
    --error-color: #ef5350;
    
    /* Required variables for header and footer */
    --primary: #4a6fa5;
    --secondary: #166088;
    --background: #ffffff;
    --card: #ffffff;
    --text: #2c3e50;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --text-shadow: rgba(0, 0, 0, 0.05);
    --transition: all 0.3s ease;
    
    /* Other variables */
    --border-radius: 8px;
    --box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: var(--background-color);
    color: var(--text-color);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    width: 100%;
    overflow-x: hidden;
}
/* Header Styles - Full Width */
.site-header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
   
    top: 0;
    z-index: 100;
   
    width: 100%;
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
   
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: #4f46e5;
    text-decoration: none;
    transition: transform 0.3s ease;
}

.logo:hover {
    transform: scale(1.05);
}

.logo img {
    width: auto;
    height: auto;
    border-radius: 8px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    margin: 0;
}

.nav-menu a {
    text-decoration: none;
    color: #374151;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
    padding: 0.5rem 0;
}

.nav-menu a:hover {
    color: #4f46e5;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: 0;
    left: 0;
    background: linear-gradient(45deg, #4f46e5, #7c3aed);
    transition: width 0.3s ease;
}

.nav-menu a:hover::after {
    width: 100%;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: #374151;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 4px;
    transition: background-color 0.3s ease;
}
.main-content {
    flex: 1;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 20px;
}

.page-header {
    text-align: center;
    margin-bottom: 30px;
    width: 100%;
    max-width: 1200px;
}

.container {
    display: flex;
    flex-direction: column;
    gap: 20px;
    width: 100%;
    max-width: 1200px;
}

h1 {
    color: var(--primary-color);
    margin-bottom: 10px;
}

.page-subtitle {
    color: var(--text-secondary);
    font-size: 1.2rem;
}

.card {
    background-color: var(--card-color);
    border-radius: var(--border-radius);
   
    padding: 20px;
    transition: box-shadow 0.3s ease;
    width: 100%;
}


.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.card-header h2 {
    font-size: 1.5rem;
    color: var(--secondary-color);
}

.conversion-container {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

@media (min-width: 768px) {
    .conversion-container {
        flex-direction: row;
    }
    .conversion-section {
        flex: 1;
    }
}

.conversion-section {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

label {
    font-weight: 600;
    color: var(--text-secondary);
    display: block;
    margin-bottom: 5px;
}

textarea {
    width: 100%;
    min-height: 120px;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    font-size: 1rem;
    resize: vertical;
    transition: border 0.3s ease;
}

textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 2px rgba(79, 195, 247, 0.2);
}

.button-group {
    display: flex;
    gap: 10px;
    margin-top: 10px;
    flex-wrap: wrap;
}

button {
    padding: 10px 15px;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-weight: 500;
    transition: background-color 0.3s ease, transform 0.1s ease;
}

button:hover {
    background-color: var(--secondary-color);
}

button:active {
    transform: translateY(1px);
}

button.secondary {
    background-color: #e0e0e0;
    color: var(--text-color);
}

button.secondary:hover {
    background-color: #d0d0d0;
}

.swap-btn {
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 10px auto;
    background-color: var(--accent-color);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
}

.swap-btn:hover {
    background-color: #3ab1e6;
}

.options-section {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 15px;
}

.option-group {
    display: flex;
    align-items: center;
    gap: 8px;
}

input[type="radio"], input[type="checkbox"] {
    margin-right: 5px;
}

.byte-visualization {
    margin-top: 20px;
    overflow-x: auto;
    max-width: 100%;
}

.byte-container {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    padding: 10px;
    margin-top: 10px;
}

.byte {
    display: inline-block;
    padding: 8px;
    background-color: rgba(79, 195, 247, 0.1);
    border: 1px solid rgba(79, 195, 247, 0.3);
    border-radius: 4px;
    font-family: monospace;
    text-align: center;
}

.byte span {
    display: block;
}

.binary {
    color: var(--primary-color);
    font-weight: bold;
}

.character {
    color: var(--secondary-color);
    font-size: 1.2rem;
    margin-top: 5px;
}

.step-explanation {
    margin-top: 20px;
}

.step {
    margin-bottom: 10px;
    padding: 10px;
    background-color: rgba(79, 195, 247, 0.05);
    border-left: 3px solid var(--accent-color);
    border-radius: 0 var(--border-radius) var(--border-radius) 0;
}

.status {
    margin-top: 15px;
    padding: 10px;
    border-radius: var(--border-radius);
}

.status.error {
    background-color: rgba(239, 83, 80, 0.1);
    color: var(--error-color);
    border-left: 3px solid var(--error-color);
}

.status.success {
    background-color: rgba(102, 187, 106, 0.1);
    color: var(--success-color);
    border-left: 3px solid var(--success-color);
}

.feature-section {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-top: 20px;
}

.feature-card {
    flex: 1;
    min-width: 200px;
    padding: 15px;
    background-color: rgba(79, 195, 247, 0.05);
    border-radius: var(--border-radius);
    border-top: 3px solid var(--accent-color);
}

.feature-title {
    font-weight: 600;
    color: var(--secondary-color);
    margin-bottom: 8px;
}

.site-footer {
    background-color: #f8f9fa;
    padding: 30px 0;
    margin-top: 60px;
    border-top: 1px solid #e9ecef;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-links {
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-links a {
    color: #8b5cf6;
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: #7c3aed;
}

.separator {
    color: #8b5cf6;
    font-size: 14px;
}

.footer-copyright {
    color: #6b7280;
    font-size: 14px;
}

.footer-copyright a {
    color: #8b5cf6;
    text-decoration: none;
}

.footer-copyright a:hover {
    color: #7c3aed;
}

@media (max-width: 768px) {
    .footer-content {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
}
/* Responsive Design */
@media (max-width: 768px) {
    .header-content {
        padding: 1rem;
    }

    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(10px);
        flex-direction: column;
        padding: 1.5rem;
       

        border-top: 1px solid rgba(0, 0, 0, 0.1);
    }

    .nav-menu.active {
        display: flex;
    }

    .nav-menu a {
        padding: 1rem 0;
        border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    }

    .nav-menu a:last-child {
        border-bottom: none;
    }

    .mobile-menu-btn {
        display: block;
    }
}
@media (max-width: 576px) {
    .main-content {
        padding: 10px;
    }

    h1 {
        font-size: 1.75rem;
    }

    .card-header h2 {
        font-size: 1.25rem;
    }

    .site-header h2 {
        font-size: 1.75rem;
    }

    .subtitle {
        font-size: 0.95rem;
    }

    .ai-badge {
        font-size: 0.75rem;
    }
    
    .button-group {
        flex-direction: column;
    }
    
    .feature-section {
        flex-direction: column;
    }
}
.main-info {
  width: 100%;
  max-width: 1200px;
  margin: 30px auto;
  padding: 25px;
  border-radius: 8px;

  font-family: Arial, sans-serif;
  box-sizing: border-box;
}

.main-info h2 {
  color: #2c3e50;
  font-size: clamp(20px, 5vw, 24px);
  margin-top: 0;
  margin-bottom: 20px;
  padding-bottom: 10px;
  text-align: center;
}

.main-info img {
  display: block;
  max-width: 100%;
  height: auto;
  margin: 0 auto 20px;
  border-radius: 6px;
}

.main-info p {
  color: #444;
  line-height: 1.6;
  margin-bottom: 16px;
  font-size: clamp(14px, 4vw, 16px);
}

.main-info p:last-child {
  margin-bottom: 0;
}

/* Responsive styles */
@media (max-width: 768px) {
  .main-info {
    margin: 20px auto;
    padding: 20px;
  }
}

@media (max-width: 480px) {
  .main-info {
    margin: 15px auto;
    padding: 15px;
    border-radius: 6px;
  }
  
  .main-info h2 {
    margin-bottom: 15px;
    padding-bottom: 8px;
  }
  
  .main-info img {
    margin-bottom: 15px;
  }
  
  .main-info p {
    margin-bottom: 12px;
  }
}

/* Responsive styles */
@media (max-width: 768px) {
  .main-info {
    margin: 20px auto;
    padding: 20px;
  }
}

@media (max-width: 480px) {
  .main-info {
    margin: 15px auto;
    padding: 15px;
    border-radius: 6px;
  }
  
  .main-info h2 {
    margin-bottom: 15px;
    padding-bottom: 8px;
  }
  
  .main-info img {
    margin-bottom: 15px;
  }
  
  .main-info p {
    margin-bottom: 12px;
  }
}
  .faq-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 30px;
            border-radius: 10px;
           
        }
        .faq-title {
            text-align: center;
            color: #333;
            margin-bottom: 30px;
            font-size: 2.5em;
            border-bottom: 3px solid #3498db;
            padding-bottom: 10px;
        }
        .faq-item {
            margin-bottom: 25px;
            padding-left: 20px;
        }
       .faq-container  h2 {
            color: #2c3e50;
            margin-bottom: 10px;
            font-size: 2.3em;
            font-weight: 600;
        }
      .faq-container   p {
            color: #555;
            margin-bottom: 15px;
            text-align: justify;
        }
        .highlight {
            background-color: #e8f4f8;
            padding: 2px 5px;
            border-radius: 3px;
            font-family: monospace;
            font-weight: bold;
        }
        .example {
            background-color: #f8f9fa;
            padding: 15px;
            border-radius: 5px;
            margin: 10px 0;
            border-left: 3px solid #28a745;
        }