/* Global Styles */
:root {
    --primary: #2563eb;
    --primary-light: #3b82f6;
    --gray: #6b7280;
    --light-gray: #f3f4f6;
    --white: #ffffff;
    --shadow: 0 1px 3px rgba(0,0,0,0.1);
}

     /* Header Styles */
     .site-header {
        background-color: #ffffff;
        box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
        position: sticky;
        top: 0;
        z-index: 1000;
        padding: 15px 0;
      }
      
      .header-container {
        display: flex;
        justify-content: space-between;
        align-items: center;
        max-width: 1200px;
        margin: 0 auto;
        padding: 0 20px;
      }
      
      /* Logo Styles */
      .logo-container {
        display: flex;
        align-items: center;
      }
      
      .logo-link {
        display: inline-block;
        transition: transform 0.3s ease;
      }
      
      .logo-link:hover {
        transform: scale(1.05);
      }
      
      .site-logo {
        height: 50px;
        width: auto;
      }
      
      /* Navigation Styles */
      .main-nav {
        display: flex;
        align-items: center;
      }
      
      .nav-list {
        display: flex;
        list-style: none;
        margin: 0;
        padding: 0;
      }
      
      .nav-item {
        margin-left: 30px;
        position: relative;
      }
      
      .nav-link {
        text-decoration: none;
        color: #333333;
        font-weight: 500;
        font-size: 16px;
        transition: color 0.3s ease;
        padding: 5px 0;
        position: relative;
      }
      
      .nav-link:hover {
        color: #3498db;
      }
      
      .nav-link::after {
        content: '';
        position: absolute;
        width: 0;
        height: 2px;
        bottom: 0;
        left: 0;
        background-color: #3498db;
        transition: width 0.3s ease;
      }
      
      .nav-link:hover::after {
        width: 100%;
      }
      
      /* Mobile Menu Button (hidden by default) */
      .mobile-menu-button {
        display: none;
        background: none;
        border: none;
        cursor: pointer;
        padding: 10px;
      }
      
      .menu-icon {
        display: block;
        width: 25px;
        height: 3px;
        background-color: #333333;
        margin: 5px 0;
        transition: all 0.3s ease;
      }
      
      /* Responsive Styles */
      @media (max-width: 768px) {
        .main-nav {
          position: fixed;
          top: 80px;
          left: 0;
          width: 100%;
          background-color: #ffffff;
          box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
          transform: translateY(-150%);
          transition: transform 0.3s ease;
          z-index: 999;
        }
        
        .main-nav.active {
          transform: translateY(0);
        }
        
        .nav-list {
          flex-direction: column;
          padding: 20px;
        }
        
        .nav-item {
          margin: 15px 0;
        }
        
        .mobile-menu-button {
          display: block;
        }
        
        .mobile-menu-button.active .menu-icon:nth-child(1) {
          transform: rotate(45deg) translate(5px, 5px);
        }
        
        .mobile-menu-button.active .menu-icon:nth-child(2) {
          opacity: 0;
        }
        
        .mobile-menu-button.active .menu-icon:nth-child(3) {
          transform: rotate(-45deg) translate(5px, -5px);
        }
      }

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #1f2937;
    background-color: var(--light-gray);
    margin: 0;
    padding: 0;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

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

h1 {
    color: var(--primary);
    margin-bottom: 0.5rem;
    font-size: 2.2rem;
}

.subtitle {
    color: var(--gray);
    font-size: 1.1rem;
    max-width: 700px;
    margin: 0 auto;
}

/* Tool Cards (Index Page) */
.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin: 3rem 0;
}

.tool-card {
    background: var(--white);
    border-radius: 8px;
    padding: 1.5rem;
    text-align: center;
    box-shadow: var(--shadow);
    transition: all 0.2s ease;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.tool-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 15px rgba(0,0,0,0.1);
}

.tool-icon {
    font-size: 2.5rem;
    color: var(--primary);
    margin-bottom: 1rem;
}

/* About Page */
.about-section {
    background: var(--white);
    padding: 2rem;
    border-radius: 8px;
    box-shadow: var(--shadow);
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.team-card {
    text-align: center;
    padding: 1.5rem;
    background: var(--light-gray);
    border-radius: 8px;
}

.team-avatar {
    font-size: 3rem;
    color: var(--gray);
}

/* Contact Page */
.contact-methods {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.contact-card {
    background: var(--white);
    padding: 1.5rem;
    text-align: center;
    border-radius: 8px;
    box-shadow: var(--shadow);
}

.contact-icon {
    font-size: 2rem;
    color: var(--primary);
    margin-bottom: 1rem;
}

.contact-form {
    background: var(--white);
    padding: 2rem;
    border-radius: 8px;
    box-shadow: var(--shadow);
    max-width: 600px;
    margin: 0 auto;
}

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

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #e5e7eb;
    border-radius: 6px;
    font-family: inherit;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.6rem 1.25rem;
    background: var(--primary);
    color: white;
    text-decoration: none;
    border-radius: 6px;
    font-size: 0.95rem;
    transition: background 0.2s ease;
    border: none;
    cursor: pointer;
}

.btn:hover {
    background: var(--primary-light);
}

.btn-block {
    width: 100%;
}

/* Footer */
footer {
    text-align: center;
    margin-top: 4rem;
    padding: 2rem;
    color: var(--gray);
    font-size: 0.9rem;
    border-top: 1px solid #e5e7eb;
}

.footer-links {
    margin-bottom: 1rem;
}

.footer-links a {
    margin: 0 1rem;
    color: var(--gray);
    text-decoration: none;
}

.footer-links a:hover {
    color: var(--primary);
}

/* Responsive */
@media (max-width: 768px) {
    .tools-grid, .team-grid, .contact-methods {
        grid-template-columns: 1fr;
    }
}