:root {
    --primary-color: #0d6efd;
    --primary1-color: #00d4ff;
    --secondary-color: #6c757d;
    --font-family-base: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  }
   html {
    scroll-behavior: smooth;
  }
  body {
    font-family: var(--font-family-base);
    scroll-behavior: smooth;
  }

  /* Navbar Customizations */

  .brand-title {
    font-size: 1.5rem;
    font-weight: bold;
    text-decoration: dashed underline;
  }

  /* Navbar Base */
  .navbar {
    transition: all 0.4s ease-in-out;
    background: rgba(11, 15, 25, 0.95) !important; /* Semi-transparent dark */
    /* backdrop-filter: blur(10px); */
  }

  .navbar-brand {
    font-size: 1.5rem;
    letter-spacing: 0.5px;
  }
/* Navbar Bottom Line */
.navbar::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    height: 0.1px; /* Thickness of the bottom line */
    background: #6c757d;
    /* background: linear-gradient(to right, #ffc107, #0d6efd);  *//* Gradient line */
    /* Dashed Gradient Line */
    /* background: repeating-linear-gradient(
      to right,
      #00d4ff,
      #00d4ff 10px,
      #ffffff 10px,
      #ffffff 20px
  ); */

}

  /* Navbar Links */
.navbar-nav .nav-link {
  color: #ddd !important;
    font-weight: 500;
    transition: color 0.3s ease, transform 0.2s ease;
    position: relative;
}

.navbar-nav .nav-link::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -2px; /* Adjust to slightly separate underline from text */
  width: 0;
  height: 2px; /* Thickness of the underline */
  background: linear-gradient(to right, #0d6efd, #ffffff); /* Lighter gradient for better contrast */
  transition: width 0.3s ease;
}

.navbar-nav .nav-link:hover,
.brand-title:hover {
  color: var(--primary-color) !important;
  transform: translateY(-2px);
  text-decoration: none;

}

.navbar-nav .nav-link:hover::after {
  width: 100%; /* Full underline on hover */
}
.navbar-nav .nav-link.active {
  color: #0d6efd;
}

.navbar-nav .nav-link.active::after {
  width: 100%;
}
/* Height of your fixed navbar */
section[id] {
  scroll-margin-top: 60px;
}

/* =========================================
   Global Hero Section Styling
========================================= */
.hero-section {
  min-height: 100vh;
  background: linear-gradient(135deg, #0b0f19 0%, #001f4d 50%, var(--primary-color) 100%);
  color: #fff;
  position: relative;
  overflow: hidden;
  padding: 6rem 0 4rem 0;
}

/* Glow Overlay */
.hero-section::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 30% 30%, rgba(255, 255, 255, 0.10), transparent 70%);
  z-index: 0;
}

.hero-section .container {
  position: relative;
  z-index: 1;
}

/* =========================================
   Hero Image
========================================= */
.hero-img {
  width: 320px;
  height: 320px;
  object-fit: cover;
  border-radius: 50%;
  border: 6px solid #fff;
  transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.hero-img:hover {
  transform: scale(1.05);
  box-shadow: 0 0 25px rgba(13, 110, 253, 0.5);
}

/* =========================================
   Button Hover (Light)
========================================= */
.btn-light:hover {
  color: var(--primary-color);
  transform: scale(1.05);
  transition: all 0.3s ease;
}

/* =========================================
   Typed Text Area
========================================= */
.typed-area {
  display: inline-block;
  min-height: 1em;
  white-space: nowrap;
}

.cursor {
  display: inline-block;
  margin-left: 2px;
  font-weight: bold;
  animation: blink 0.8s infinite;
}

@keyframes blink {
  0%, 50% { opacity: 1; }
  50.01%, 100% { opacity: 0; }
}

  /* Animations for Sections */
  .section-title {
    text-align: center;
    margin-bottom: 2.5rem;
    color: var(--primary-color);
    font-weight: bold;
  }
  .section {
    padding: 2rem 0 1rem 0;
  }
  .about-img {
    width: 100%;
    height: auto;
    border-radius: 5px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  }
  .section[data-aos] {
    opacity: 0;
    transition: opacity 1s ease;
  }
  [data-aos].aos-animate {
    opacity: 1;
  }
  /* Project Card Hover Effect */
  .card {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
  }
  .card:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);

  }
  .read-more {
    color: var(--primary-color);
    text-decoration: none;
  }
  .read-more:hover {
    text-decoration: dashed underline;
  }

  /* Timeline Style */
  .timeline {
    position: relative;
    margin-left: 20px;
  }

  .timeline::before {
    content: "";
    position: absolute;
    top: 0;
    left: 7px;
    width: 3px;
    height: 100%;
    background: #0d6efd20;
  }

  .timeline-item {
    position: relative;
    margin-bottom: 30px;
  }

  .timeline-dot {
    position: absolute;
    left: -2px;
    top: 10px;
    width: 15px;
    height: 15px;
    border-radius: 50%;
    border: 3px solid #fff;
    box-shadow: 0 0 0 3px #0d6efd40;
  }

  .timeline-content {
    margin-left: 30px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
  }

  .timeline-content:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.1);
  }

  .progress {
    background-color: #e9ecef;
    height: 8px;
    border-radius: 50px;
    overflow: hidden;
  }

  .progress-bar {
    border-radius: 50px;
  }


/* experience section */
  .timeline {
position: relative;
margin: 2rem 0;
}
.timeline-item {
margin-bottom: 2rem;
}
.timeline-item h3 {
font-size: 1.5rem;
color: var(--primary-color);
}
.timeline-item h4 {
font-size: 1.2rem;
color: var(--secondary-color);
}
.timeline-item .timeline-date {
font-size: 0.9rem;
color: #6c757d;
margin-bottom: 0.5rem;
display: block;
}

/* pdf file preview */
#pdfPreview {
    width: 100%;
    height: 200px;
    border: 1px solid #ddd;
    display: none;
}

#pdfIcon {
    display: block;
    width: 50px;
    height: 50px;
    cursor: pointer;
}
.blog {
    padding: 6rem 0 4rem 0;
    text-align: center;
  }
  .blog img {
    width: 350px;
    height: 150px;
    border-radius: 5px;
    object-fit: cover;
    margin-bottom: 1rem;
  }
  .blog-details img {
    width: 100%;
    height: 300px;
    border-radius: 5px;
    object-fit: cover;
    margin-bottom: 1rem;
  }
  .related-post img {
    width: 100%;
    height: 50px;
    border-radius: 5px;
    object-fit: cover;
    margin-bottom: 1rem;
  }

  /* Footer */
 .footer-section {
    /* background-color: #0b0f19; */ /* Elegant dark base */
    background: linear-gradient(135deg, #0b0f19 0%, #112a60 100%);
    font-size: 0.95rem;
  }

  .footer-link {
    color: #dcdcdc;
    text-decoration: none;
    display: block;
    margin-bottom: 8px;
    transition: all 0.3s ease;
  }

  .footer-link:hover {
    color: #0d6efd;
    transform: translateX(5px);
  }

  .social-link {
    color: #dcdcdc;
    font-size: 1.2rem;
    transition: all 0.3s ease;
  }

  .social-link:hover {
    color: #0d6efd;
    transform: scale(1.2);
  }

  hr {
    opacity: 0.1;
  }
  /* social media icons */
   .facebook-icon { fill: #1877f2; } /* Facebook blue */
    .twitter-icon { fill: #1da1f2; }  /* Twitter blue */
    .linkedin-icon { fill: #0077b5; } /* LinkedIn blue */
    .instagram-icon { fill: #405de6; } /* Instagram gradient blue */
    .github-icon { fill: #333; }      /* GitHub default black */
    .youtube-icon { fill: #ff0000; }  /* YouTube red */
    /* Responsive */
  @media (max-width: 991px) {
    .hero-section {
      text-align: center;
      padding: 80px 0;
    }
    .hero-img {
      width: 250px;
      height: 250px;
    }
  }

  @media (max-width: 576px) {
    .footer-link:hover {
      transform: none; /* smoother mobile UX */
    }
  }