/* Root CSS Variables for colors and other design constants */
  :root {
    --primary-color: #9A01A2; /* Purple accent */
    --light-color: #DBC8DD; /* Light purple */
    --bg-color: #E5E5E5; /* Light grey */
    --text-color: #1A1A1A; /* Nearly black text */
    
    /* Dark Mode Variables */
    --dark-bg: #121212; /* Dark background color */
    --dark-text: #ffffff; /* Light text color */
    --dark-card: #2d2d2d; /* Dark card background */
    --dark-shadow: rgba(0, 0, 0, 0.3);
}

  
  /* Global Reset/Basic Styles */
  * {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  html {
    scroll-behavior: smooth;  /* Smooth scrolling for anchor links​:contentReference[oaicite:1]{index=1} */
  }
  body {
    font-family: 'Montserrat', sans-serif;
    background: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
  }
  
  /* Typography tweaks */
  h1, h2, h3, h4, p {
    margin: 0 0 1rem 0;
  }
  h1 { font-size: 2.5rem; font-weight: 600; }
  h2 { font-size: 2rem; font-weight: 600; margin-bottom: 1rem; }
  h3 { font-size: 1.5rem; font-weight: 600; }
  p  { font-size: 1rem; }
  
  /* Navigation Bar */
  .navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 2rem;
    position: sticky;
    top: 0;
    z-index: 100;
    /* Optional: background and shadow for nav (matches grey background, so shadow subtle) */
    background: var(--bg-color);
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
  }
  .logo {
    font-size: 1.5rem;
    font-weight: 600;
  }
  .nav-links {
    list-style: none;
    background: transparent !important; /* Ensure transparency */
    padding: 0;
    margin: 0;
  }

  .nav-links li {
    display: inline-block;
    margin-left: 2rem;
  }
  .nav-links li a {
    text-decoration: none;
    color: var(--text-color);
    background: transparent !important; 
    padding: 10px 15px; /* Better spacing */
    border-radius: 5px; /* Optional */
    font-weight: bold;
  }
  .nav-links li a:hover {
    color: var(--primary-color);
  }

  .dark-theme .nav-links {
    background: transparent !important; /* Ensure transparency in dark mode */
}

.dark-theme .nav-links li a {
    background: transparent !important;
}
  
  /* Hamburger icon (mobile) */
  .nav-toggle {
    display: none;               /* Hidden on desktop, shown on mobile via media query */
    font-size: 1.5rem;
    cursor: pointer;
  }
  
  /* Profile (Hero) Section */
  .profile-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 4rem 2rem;
    position: relative;
    text-align: center;          /* Center text on small screens */
  }
  .profile-content {
    max-width: 600px;
  }
  .profile-content h1 {
    margin-bottom: 1rem;
  }
  .profile-content p {
    margin-bottom: 1.5rem;
    font-size: 1.2rem;
  }

  /* "Contact Me" button in hero */
  .btn {
    text-decoration: none;
    border: none;
    cursor: pointer;
  }
  .contact-btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    background: var(--primary-color);
    color: #fff;
    border-radius: 5px;
    transition: background 0.3s;
    margin-bottom: 20px;
  }
  .contact-btn:hover {
    background: #7e0188;  /* slightly darker purple on hover */
  }
  
  /* Profile image and decorative background */
  .profile-image {
    position: relative;
    max-width: 300px;
    width: 100%;
    margin-top: 2rem;
  }
  .profile-image img {
    width: 100%;
    border-radius: 50%;
    position: relative;
    z-index: 1;  /* Put image above the decorative circle */
  }

  /* Purple gradient circle/blob behind the profile image */
  .hero-bg {
    position: absolute;
    top: -10%;
    right: -10%;
    width: 120%;
    height: 120%;
    background: radial-gradient(circle at 50% 50%, var(--light-color), var(--primary-color));
    border-radius: 50%;
    z-index: 0;
  }

  /* Skills Section */
.skills-section {
    text-align: center;
    padding: 4rem 2rem;
    background: var(--bg-color);
}

.skills-section h2 {
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 2rem;
}

/* Skills Grid Layout */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    gap: 2rem;
    justify-items: center;
    max-width: 900px;
    margin: 0 auto;
}

/* Skill Cards */
.skill {
    background: var(--card-bg, #fff);
    padding: 1.5rem;
    border-radius: 10px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s;
}

.skill:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}

/* Skill Icons */
.skill img {
    margin-bottom: 1rem;
    width: 50px;
    height: 50px;
}

/* Dark Mode Adjustments */
.dark-theme .skill {
    background: var(--dark-card);
    box-shadow: 0 4px 6px var(--dark-shadow);
}

  
  /* Projects Section */
  .projects-section {
    padding: 4rem 2rem;
  }
  .projects-section h2 {
    text-align: center;
    margin-bottom: 2rem;
  }
  .projects-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  /* Individual Project Card */
  .project-item {
    background: #fff;
    padding: 1rem;
    border-radius: 10px;
    transition: transform 0.3s, box-shadow 0.3s;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    text-align: center;
  }

  .dark-theme .project-item {
    background: var(--dark-card);
    box-shadow: 0 4px 6px var(--dark-shadow);
}

  .project-item:hover {
    transform: scale(1.05);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
  }

  .project-item img {
    width: 100%;
    border-radius: 5px;
  }

  .project-item h3 {
    margin: 1rem 0 0.5rem;
  }

  .project-item p {
    font-size: 1rem;
  }

  .project-item a {
    display: block;
    text-decoration: none;
    color: inherit; /* Keep the text color unchanged */
    padding: 1rem;
    border-radius: 5px;
    transition: transform 0.3s, box-shadow 0.3s;
}

.project-item a:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

/* Add button styles */
.view-project-btn {
    display: inline-block;
    margin-top: 10px;
    padding: 0.5rem 1rem;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background 0.3s;
}

.view-project-btn:hover {
    background: #7e0188;
}

/* Dark mode */
.dark-theme .project-item {
    background: var(--dark-card);
    box-shadow: 0 4px 6px var(--dark-shadow);
}

/* Resume Section */
.resume-section {
    text-align: center;
    padding: 4rem 2rem;
    background: var(--light-color);
}

.resume-section p {
    font-size: 1.1rem;
    margin-bottom: 1rem;
}

.resume-section .btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    background: var(--primary-color);
    color: white;
    font-weight: bold;
    border-radius: 5px;
    text-decoration: none;
    transition: background 0.3s;
}

.resume-section .btn:hover {
    background: #7e0188;
}

  /* Hire Me Section */
.hire-me {
    text-align: center;
    padding: 4rem 2rem;
    background: var(--bg-color);
}

.hire-me p {
    font-size: 1.2rem;
    margin-bottom: 1rem;
}

.hire-me .btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    background: var(--primary-color);
    color: white;
    font-weight: bold;
    border-radius: 5px;
    text-decoration: none;
    transition: background 0.3s;
}

.hire-me .btn:hover {
    background: #7e0188;
}

  /* Footer */
  footer {
    text-align: center;
    padding: 2rem 1rem;
    font-size: 0.9rem;
    color: #666;
  }

  /* Social icons */
.social-icons {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: 1rem;
  }
  
  .social-icon {
    width: 24px;
    height: 24px;
    fill: var(--text-color);
    transition: fill 0.3s ease;
  }
  
  .social-icon:hover {
    fill: var(--primary-color);
  }
  
  /* Dark mode toggle button */
  .theme-toggle {
    background: transparent;
    border: 1px solid var(--text-color);
    padding: 0.5rem;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s;
  }

  .theme-toggle:hover {
    background: rgba(0, 0, 0, 0.1);
}
  
  .theme-toggle svg {
    width: 24px;
    height: 24px;
    fill: var(--text-color);
  }

  .theme-toggle {
    --bg-color: var(--dark-bg);
    --text-color: var(--dark-text);
}

.dark-theme .theme-toggle {
    border-color: var(--dark-text);
}

.dark-theme .theme-toggle:hover {
    background: rgba(255, 255, 255, 0.1);
}

.dark-theme {
    --bg-color: var(--dark-bg);
    --text-color: var(--dark-text);
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 50%;
    font-size: 1.5rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, transform 0.3s ease;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Show button when scrolling */
.back-to-top.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(-10px);
}

/* Hover effect */
.back-to-top:hover {
    background: #7e0188;
}

/* Dark mode adjustment */
.dark-theme .back-to-top {
    background: var(--dark-card);
    color: var(--dark-text);
}

  
  /* Responsive Media Queries */
  /* Mobile (default) styles are above. Now define tablet/desktop adjustments */
  @media (max-width: 767px) {
    /* Mobile menu: hide nav links by default, show on toggle */
    .nav-links {
      display: none;
      position: absolute;
      top: 100%;
      right: 1rem;
      background: #fff;
      border: 1px solid #ccc;
      border-radius: 5px;
      /* Optional: small drop shadow for the dropdown */
      box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    }
    .nav-links li {
      display: block;
      margin: 0;
    }
    .nav-links li a {
      display: block;
      padding: 0.75rem 1.5rem;
    }
    .nav-links.open {
      display: block;  /* Show menu when .open class is added via JS */
    }
    .nav-toggle {
      display: block;  /* Show hamburger icon on mobile */
    }
    .profile-section { text-align: center; }  /* Center text on mobile */
  }
  
  @media (min-width: 768px) {
    /* Desktop/Nav styles */
    .nav-toggle { display: none; }    /* Hide hamburger on desktop */
    .nav-links { display: block; }    /* Always show nav menu on desktop */
    .nav-links li { margin-left: 1.5rem; } /* Adjust spacing between menu items */
    .profile-section {
      flex-direction: row;
      align-items: center;
      justify-content: space-between;
      text-align: left;
    }
    .profile-image {
      margin-top: 0;
      margin-left: 2rem;
      max-width: 350px;
    }
    .projects-grid {
      grid-template-columns: repeat(2, 1fr);
    }
  }
  
  @media (min-width: 1200px) {
    .projects-grid {
      grid-template-columns: repeat(3, 1fr);
    }
  }

  @media (max-width: 600px) {
    .skill img {
        width: 40px;
        height: 40px;
    }
}