:root {
    --primary-color: #1e88e5;
    --primary-dark: #1565c0;
    --secondary-color: #1976d2;
    --text-color: #F0EDE5;
    --heading-color: #FAF0E6;
    --paragraph-color: #FFFFF0;
    --background: rgba(4, 9, 30, 0.7);
    --background-color: #04324b; 
    --background-body: linear-gradient(135deg, #010322f2 0%, #030a1ef7 50%, rgba(232, 178, 163, 0.904) 100%);
    --second-background-body: #010322f2;
    --card-background: rgba(30, 136, 229, 0.08);
    --card-border: rgba(30, 136, 229, 0.2);
  
    /* Typography */
    --font-heading: "Aleo", serif;
    --font-body: "Lato", sans-serif;
    
    /* Font Sizes */
    --font-size-h1: 48px;
    --font-size-h2: 36px;
    --font-size-h3: 24px;
    --font-size-h4: 20px;
    --font-size-h5: 18px;
    --font-size-h6: 16px;
    --font-size-p: 16px;
    
    /* Spacing - Enhanced for more breathing room */
    --spacing-xs: 12px;
    --spacing-sm: 20px;
    --spacing-md: 32px;
    --spacing-lg: 48px;
    --spacing-xl: 64px;
  }
  
  * {
    margin: 0;
    padding: 0;
    font-family: var(--font-body);
    box-sizing: border-box;
  }

  html {
    scroll-behavior: smooth;
    width: 100%;
  }

  body {
    width: 100%;
    min-height: 100vh;
    background-color: var(--background-color);
    background-image: var(--background-body);
    background-repeat: no-repeat;
    background-size: cover;
    background-attachment: fixed;
    overflow-x: hidden;
  }

  .blue_body {
    background: var(--second-background-body);
  }

  img,
  video,
  svg,
  canvas,
  iframe {
    max-width: 100%;
  }
  
  h1, .largest {
    color: var(--heading-color);
    font-family: var(--font-heading);
    font-size: var(--font-size-h1);
    font-weight: 700;
  }
  
  h2, .larger {
    color: var(--heading-color);
    font-family: var(--font-heading);
    font-size: var(--font-size-h2);
    font-weight: 600;
  }
  
  h3, .large {
    color: var(--heading-color);
    font-family: var(--font-heading);
    font-size: var(--font-size-h3);
    font-weight: 600;
  }
  
  h4, .small {
    color: var(--heading-color);
    font-family: var(--font-heading);
    font-size: var(--font-size-h4);
    font-weight: 600;
  }
  
  h5, .smaller {
    color: var(--heading-color);
    font-family: var(--font-heading);
    font-size: var(--font-size-h5);
    font-weight: 500;
  }
  
  h6, .smallest {
    color: var(--heading-color);
    font-family: var(--font-heading);
    font-size: var(--font-size-h6);
    font-weight: 500;
  }
  
  p, .text {
    color: var(--paragraph-color);
    font-size: var(--font-size-p);
    word-wrap: break-word;
    word-break: break-word;
    line-height: 1.6rem;
  }

  ol {
    color: var(--text-color);
  }

  /* ===== ANIMATIONS ===== */
  @keyframes fadeInUp {
    from {
      opacity: 0;
      transform: translateY(30px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }

  @keyframes slideInLeft {
    from {
      opacity: 0;
      transform: translateX(-30px);
    }
    to {
      opacity: 1;
      transform: translateX(0);
    }
  }

  @keyframes slideInRight {
    from {
      opacity: 0;
      transform: translateX(30px);
    }
    to {
      opacity: 1;
      transform: translateX(0);
    }
  }

  @keyframes glow {
    0%, 100% {
      box-shadow: 0 0 10px rgba(30, 136, 229, 0.3);
    }
    50% {
      box-shadow: 0 0 20px rgba(30, 136, 229, 0.6);
    }
  }

  /* ===== HEADER & NAVIGATION ===== */
  .header {
    min-height: 100vh;
    width: 100%;
    background: linear-gradient(rgba(1, 3, 34, 0.8), rgba(1, 3, 34, 0.8)), url(../images/3.jpg);
    background-position: center;
    background-size: cover;
    background-attachment: fixed;
    position: relative;
    display: flex;
    flex-direction: column;
  }
  
  nav {
    display: flex;
    padding: 1rem 6%;
    justify-content: space-between;
    align-items: center;
    background: rgba(4, 9, 30, 0.5);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: all 0.3s ease;
  }

  nav:hover {
    background: rgba(4, 9, 30, 0.8);
  }

  nav img {
    width: 8em;
    z-index: 19;
    transition: transform 0.3s ease;
  }

  nav img:hover {
    transform: scale(1.05);
  }
  
  .nav-links {
    flex: 1;
    text-align: right;
  }
  
  .nav-links ul {
    padding: 8px 12px;
    margin: 0;
  }
  
  .liststyle-none {
    list-style: none;
    display: inline-block;
    position: relative;
  }
  
  .nav-links ul li a {
    color: var(--text-color);
    text-decoration: none;
    font-size: 14px;
    margin: 0 15px;
    font-weight: 500;
    transition: color 0.3s ease;
  }

  .nav-links ul li a:hover {
    color: var(--primary-color);
  }
  
  .nav-links ul li::after {
    content: '';
    width: 0;
    height: 2px;
    background: var(--primary-color);
    display: block;
    margin: auto;
    transition: width 0.5s ease;
    bottom: -5px;
  }
  
  .nav-links ul li:hover::after {
    width: 100%;
  }

  .click {
    display: "block";
    transition: all 0.3s ease;
  }

  #backspace,
  #list {
    display: none;
    color: var(--text-color);
    font-size: 24px;
    cursor: pointer;
    transition: color 0.3s ease, transform 0.3s ease;
  }

  #list:hover,
  #backspace:hover {
    color: var(--primary-color);
  }

  /* Hamburger menu animation */
  #list.active {
    transform: rotate(90deg);
    color: var(--primary-color);
  }

  #backspace.active {
    animation: fadeInScale 0.3s ease;
  }

  @keyframes fadeInScale {
    from {
      opacity: 0;
      transform: scale(0.8);
    }
    to {
      opacity: 1;
      transform: scale(1);
    }
  }

  /* ===== 3D NEURAL NETWORK BACKGROUND ===== */
  .neural-network-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    z-index: 1;
  }

  .network-container {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .network-container canvas {
    display: block;
    filter: drop-shadow(0 0 30px rgba(30, 136, 229, 0.2));
    opacity: 0.4;
    filter: blur(1.5px) drop-shadow(0 0 30px rgba(30, 136, 229, 0.2));
  }
  
  /* ===== HERO SECTION ===== */
  .text-box {
    width: 90%;
    max-width: 800px;
    color: var(--text-color);
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    animation: fadeInUp 1s ease;
    z-index: 2;
  }
  
  .hero-title {
    font-size: var(--font-size-h1);
    margin-bottom: var(--spacing-md);
    color: var(--heading-color);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    letter-spacing: 1px;
  }

  .hero-greeting {
    margin: var(--spacing-lg) 0;
  }

  .hero-greeting h2 {
    font-size: var(--font-size-h2);
    color: var(--secondary-color);
    margin-bottom: var(--spacing-sm);
  }

  .hero-greeting p {
    font-size: var(--font-size-h5);
    color: var(--paragraph-color);
  }

  .text-box__hero-btn,
  .hero-btn {
    display: inline-block;
    text-decoration: none;
    color: var(--text-color);
    border: 2px solid var(--primary-color);
    padding: 12px 34px;
    font-size: 14px;
    background: transparent;
    border-radius: 50px;
    position: relative;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
    overflow: hidden;
  }

  .text-box__hero-btn::before,
  .hero-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--primary-color);
    z-index: -1;
    transition: left 0.3s ease;
  }
  
  .text-box__hero-btn:hover,
  .hero-btn:hover {
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(30, 136, 229, 0.4);
  }

  .text-box__hero-btn:hover::before,
  .hero-btn:hover::before {
    left: 0;
  }
  
  #click {
    display: none;
  }

  /* ===== ABOUT SECTION ===== */
  .display-flex-wrap {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
    position: relative;
  }

  .display-flex-wrap__element {
    flex: 1;
    width: 100%;
  }

  .about-us {
    min-height: 100vh;
    padding: var(--spacing-xl) 0;
    background: rgba(1, 3, 34, 0.3);
  }

  .container-about {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
  }

  .about-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-xl);
  }

  .about-image {
    flex: 0 0 40%;
  }

  .image-frame {
    position: relative;
    width: 350px;
    height: 350px;
    margin: 0 auto;
    border-radius: 50%;
    overflow: hidden;
    background: var(--card-background);
    border: 3px solid var(--primary-color);
    box-shadow: 0 10px 40px rgba(244, 67, 54, 0.3);
    animation: glow 3s ease-in-out infinite;
  }

  .profile-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: brightness(0.85);
    transition: filter 0.3s ease;
  }

  .image-frame:hover .profile-img {
    filter: brightness(1);
  }

  .about-text {
    flex: 1;
  }

  .section-title {
    font-size: var(--font-size-h2);
    margin-bottom: var(--spacing-lg);
    color: var(--heading-color);
    position: relative;
    display: inline-block;
  }

  .section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 50px;
    height: 4px;
    background: var(--primary-color);
    border-radius: 2px;
  }

  .intro-text {
    font-size: var(--font-size-h5);
    line-height: 1.8;
    margin-bottom: var(--spacing-lg);
    color: var(--paragraph-color);
    text-align: justify;
    animation: slideInLeft 0.8s ease;
  }

  /* Skills Section */
  .skills-section {
    margin-top: var(--spacing-xl);
    padding: var(--spacing-lg);
    background: linear-gradient(135deg, rgba(30, 136, 229, 0.08) 0%, rgba(30, 136, 229, 0.03) 100%);
    border: 1.5px solid rgba(30, 136, 229, 0.2);
    border-radius: 16px;
    backdrop-filter: blur(10px);
    box-shadow: 0 8px 24px rgba(30, 136, 229, 0.1);
    transition: all 0.3s ease;
  }

  .skills-section:hover {
    border-color: rgba(30, 136, 229, 0.3);
    box-shadow: 0 12px 32px rgba(30, 136, 229, 0.15);
  }

  .skills-title {
    font-size: var(--font-size-h4);
    margin-bottom: var(--spacing-lg);
    color: var(--heading-color);
  }

  .skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-lg);
  }

  .skill-tag {
    padding: var(--spacing-md) var(--spacing-lg);
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border-radius: 25px;
    text-align: center;
    font-weight: 500;
    font-size: 14px;
    transition: all 0.3s ease;
    cursor: pointer;
  }

  .skill-tag:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(30, 136, 229, 0.4);
  }


  /* ===== BLOG SECTION ===== */
  .blog {
    background: rgba(3, 10, 30, 0.5) !important;
    min-height: auto;
    padding: var(--spacing-xl) !important;
  }

  .blog-container {
    max-width: 1200px;
    margin: 0 auto;
  }

  .blog-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: start;
    margin-top: var(--spacing-xl);
  }

  .blog-text {
    animation: slideInLeft 0.8s ease;
  }

  .blog-paragraph {
    font-size: var(--font-size-h5);
    line-height: 1.9;
    margin-bottom: var(--spacing-lg);
    color: var(--paragraph-color);
    text-align: justify;
  }

  .blog-highlight {
    animation: slideInRight 0.8s ease;
  }

  .highlight-card {
    background: linear-gradient(135deg, rgba(30, 136, 229, 0.08) 0%, rgba(30, 136, 229, 0.03) 100%);
    border: 1.5px solid rgba(30, 136, 229, 0.2);
    border-radius: 16px;
    padding: var(--spacing-lg);
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
    box-shadow: 0 8px 24px rgba(30, 136, 229, 0.1);
  }

  .highlight-card:hover {
    border-color: rgba(30, 136, 229, 0.4);
    box-shadow: 0 16px 40px rgba(30, 136, 229, 0.2);
    transform: translateY(-4px);
  }

  .highlight-card h3 {
    font-size: var(--font-size-h4);
    margin-bottom: var(--spacing-md);
    color: var(--heading-color);
  }

  .topic-list {
    list-style: none;
    padding: 0;
  }

  .topic-list li {
    padding: var(--spacing-sm) 0;
    padding-left: var(--spacing-lg);
    position: relative;
    color: var(--paragraph-color);
    font-size: var(--font-size-h5);
  }

  .topic-list li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
  }

  /* ===== CONTACT SECTION ===== */
  .contact {
    background: linear-gradient(135deg, #04324b 0%, #010322 100%);
    width: 100%;
    padding: var(--spacing-xl) var(--spacing-lg);
  }

  .display-flex-wrap__element1 {
    flex: 1;
    width: 100%;
  }

  .contact__container {
    max-width: 800px;
    margin: 0 auto;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-lg);
    text-align: center;
    animation: fadeInUp 0.8s ease;
  }

  .contact__container h2 {
    font-size: var(--font-size-h2);
    color: var(--heading-color);
    margin-bottom: var(--spacing-sm);
  }

  .contact-subtitle {
    font-size: var(--font-size-h5);
    color: var(--paragraph-color);
    margin-bottom: var(--spacing-lg);
  }

  .contact-methods {
    width: 100%;
    margin: var(--spacing-lg) 0;
  }

  .contact-method {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-lg);
    padding: var(--spacing-lg);
    background: linear-gradient(135deg, rgba(30, 136, 229, 0.08) 0%, rgba(30, 136, 229, 0.03) 100%);
    border: 1.5px solid rgba(30, 136, 229, 0.2);
    border-radius: 16px;
    transition: all 0.3s ease;
    box-shadow: 0 8px 24px rgba(30, 136, 229, 0.1);
  }

  .contact-method:hover {
    border-color: rgba(30, 136, 229, 0.4);
    background: linear-gradient(135deg, rgba(30, 136, 229, 0.12) 0%, rgba(30, 136, 229, 0.05) 100%);
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(30, 136, 229, 0.2);
  }

  .contact-method i {
    font-size: 28px;
    color: var(--primary-color);
  }

  .contact-detail {
    text-align: left;
  }

  .contact-detail h4 {
    font-size: var(--font-size-h5);
    color: var(--heading-color);
    margin-bottom: 4px;
  }

  .contact-detail a {
    color: var(--secondary-color);
    text-decoration: none;
    transition: color 0.3s ease;
    font-weight: 500;
  }

  .contact-detail a:hover {
    color: var(--primary-color);
  }

  .social-media {
    margin-top: var(--spacing-lg);
  }

  .social-media h4 {
    font-size: var(--font-size-h5);
    color: var(--heading-color);
    margin-bottom: var(--spacing-md);
  }

  .social-links {
    list-style: none;
    display: flex;
    gap: var(--spacing-lg);
    justify-content: center;
  }

  .social-links li a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background: var(--card-background);
    border: 1px solid var(--card-border);
    border-radius: 50%;
    color: var(--text-color);
    text-decoration: none;
    transition: all 0.3s ease;
    font-size: 20px;
  }

  .social-links li a:hover {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(30, 136, 229, 0.4);
  }

  .copyrights {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--card-border);
  }

  .copyrights p {
    font-size: 14px;
    color: var(--text-color);
  }

  /* CSS of case study page */

  .center-box {
    margin: 5% 20%;
    max-width: 100%;
    word-wrap: break-word;
  }

  .center-box__paragraph{
    font-size: 20px;
    line-height: 2rem;
    word-spacing: 0.1rem;
  }

  .center-box__title {
    font-size: 60px;
    margin: 40px;
  }

  .center-box__heading {
    font-size : 40px;
    margin: 200px 0 50px 0;
  }

  .text_align_center {
    text-align: center;
  }

  .output-box__margin {
    margin: 50px;
  }

  .function-color-blue {
    color:  #67a6fe;
  }

  .file-color-orange {
    color:  #cd6c4d;
  }

  .center-box__code_box {
    padding: 1px;
    border: 1px solid green;
    border-radius: 40px;
    background: black;
  }

  .code_box__text {
    margin: 0.5rem 2rem 0.5rem;
    letter-spacing: 1.5px;
  }

  .center-box__table_image_box {
    width: 100%;
    height: 12rem;
    background:red;
  }

  .center-box___image_box {
    width: 15rem;
    height: 15rem;
    background: green;
  }

  .import_function_color_green {
    color: green;
  }

  .comment_color_celeste {
    color: rgb(71, 205, 214);
  }

  .padding-left-40px {
    padding-left: 40px;
  }

  .padding-left-80px {
    padding-left: 80px;
  }

  .output-color-red {
    color: rgb(191, 15, 15);
  }

  .output_background {
    background: #121b3b;
  }

  img {
    max-width: 90%;
  }


  /* CSS for blog post  */
.analysis_tools {
    margin: 5% 20%;
    max-width: 100%;
    word-wrap: break-word;
}

.analysis_title {
  margin: 3rem;
  text-align: center;
}

.analysis_text {
  margin-top: 5rem;
  margin-bottom: 5rem;
}

.analysis_text_pg{
  font-size: var(--font-size-h4);
  line-height: 2.5rem;
  word-spacing: 0.1rem;
  margin-bottom: 3rem;
}

.font-size-22px{
  font-size: 22px;
}

/* ===== BLOG PAGE STYLING ===== */
.blog-page-content {
  width: 100%;
  padding: var(--spacing-xl) 0;
  background: rgba(1, 3, 34, 0.3);
  min-height: 80vh;
}

.blog-container {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

.blog-header {
  text-align: center;
  margin-bottom: var(--spacing-xl);
  padding: var(--spacing-lg) 0;
  animation: fadeInUp 0.8s ease;
}

.blog-title {
  font-size: var(--font-size-h1);
  color: var(--heading-color);
  margin-bottom: var(--spacing-md);
  position: relative;
  display: inline-block;
}

.blog-title::after {
  content: '';
  position: absolute;
  bottom: -15px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background: var(--primary-color);
  border-radius: 2px;
}

.blog-subtitle {
  font-size: var(--font-size-h4);
  color: var(--secondary-color);
  margin-top: var(--spacing-lg);
}

.blog-article {
  animation: slideInLeft 0.8s ease;
}

.blog-section {
  margin-bottom: var(--spacing-xl);
  padding: var(--spacing-lg);
  background: linear-gradient(135deg, rgba(30, 136, 229, 0.05) 0%, rgba(30, 136, 229, 0.02) 100%);
  border: 1px solid rgba(30, 136, 229, 0.15);
  border-radius: 16px;
  backdrop-filter: blur(10px);
  transition: all 0.3s ease;
  box-shadow: 0 8px 32px rgba(30, 136, 229, 0.1);
}

.blog-section:hover {
  border-color: rgba(30, 136, 229, 0.3);
  box-shadow: 0 12px 40px rgba(30, 136, 229, 0.15);
  transform: translateY(-2px);
}

.section-title {
  font-size: var(--font-size-h2);
  color: var(--heading-color);
  margin-bottom: var(--spacing-lg);
  position: relative;
  padding-bottom: var(--spacing-md);
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 50px;
  height: 3px;
  background: var(--primary-color);
  border-radius: 2px;
}

.subsection-title {
  font-size: var(--font-size-h3);
  color: var(--heading-color);
  margin: var(--spacing-lg) 0 var(--spacing-md) 0;
}

.blog-intro {
  font-size: var(--font-size-h4);
  color: var(--secondary-color);
  font-weight: 500;
  line-height: 1.8;
  margin-bottom: var(--spacing-lg);
}

.blog-text {
  font-size: var(--font-size-h5);
  color: var(--paragraph-color);
  line-height: 1.9;
  margin-bottom: var(--spacing-md);
  text-align: justify;
}

.highlight-quote {
  background: linear-gradient(135deg, rgba(30, 136, 229, 0.12) 0%, rgba(30, 136, 229, 0.05) 100%);
  border-left: 5px solid var(--primary-color);
  border-radius: 12px;
  padding: var(--spacing-lg);
  margin: var(--spacing-lg) 0;
  font-style: italic;
  color: var(--paragraph-color);
  font-size: var(--font-size-h5);
  box-shadow: 0 8px 24px rgba(30, 136, 229, 0.08);
  transition: all 0.3s ease;
}

.highlight-quote:hover {
  box-shadow: 0 12px 32px rgba(30, 136, 229, 0.15);
  transform: translateX(4px);
}

.highlight-quote p {
  margin: 0;
}

.tool-card {
  background: linear-gradient(135deg, rgba(30, 136, 229, 0.08) 0%, rgba(30, 136, 229, 0.03) 100%);
  border: 1.5px solid rgba(30, 136, 229, 0.2);
  border-radius: 16px;
  padding: var(--spacing-lg);
  margin: var(--spacing-lg) 0;
  transition: all 0.3s ease;
  box-shadow: 0 8px 24px rgba(30, 136, 229, 0.1);
}

.tool-card:hover {
  background: linear-gradient(135deg, rgba(30, 136, 229, 0.12) 0%, rgba(30, 136, 229, 0.05) 100%);
  border-color: rgba(30, 136, 229, 0.4);
  box-shadow: 0 16px 40px rgba(30, 136, 229, 0.2);
  transform: translateY(-4px);
}

.tool-title {
  font-size: var(--font-size-h4);
  color: var(--primary-color);
  margin-bottom: var(--spacing-md);
  margin-top: 0;
}

.feature-list {
  list-style: none;
  padding: 0;
  margin: var(--spacing-lg) 0;
}

.feature-list li {
  padding: var(--spacing-md) 0;
  padding-left: var(--spacing-lg);
  position: relative;
  color: var(--paragraph-color);
  font-size: var(--font-size-h5);
  line-height: 1.8;
}

.feature-list li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--primary-color);
  font-weight: bold;
}

.takeaway-box {
  background: linear-gradient(135deg, rgba(30, 136, 229, 0.1) 0%, rgba(30, 136, 229, 0.04) 100%);
  border: 2px solid rgba(30, 136, 229, 0.25);
  border-radius: 16px;
  padding: var(--spacing-lg);
  margin: var(--spacing-lg) 0;
  transition: all 0.3s ease;
  box-shadow: 0 8px 24px rgba(30, 136, 229, 0.1);
}

.takeaway-box:hover {
  border-color: rgba(30, 136, 229, 0.4);
  box-shadow: 0 12px 36px rgba(30, 136, 229, 0.18);
  transform: translateY(-3px);
}

.takeaway-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.takeaway-list li {
  padding: var(--spacing-md) 0;
  padding-left: var(--spacing-lg);
  position: relative;
  color: var(--paragraph-color);
  font-size: var(--font-size-h5);
  line-height: 1.8;
}

.takeaway-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--primary-color);
  font-weight: bold;
  font-size: 18px;
}

.blog-cta {
  text-align: center;
  font-size: var(--font-size-h4);
  color: var(--heading-color);
  margin-top: var(--spacing-xl);
  padding: var(--spacing-lg);
  background: rgba(30, 136, 229, 0.1);
  border-radius: 12px;
}

.blog-cta a {
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s ease;
  border-bottom: 2px solid transparent;
}

.blog-cta a:hover {
  color: var(--secondary-color);
  border-bottom-color: var(--secondary-color);
}

/* Responsive Blog Styling */
@media (max-width: 768px) {
  .blog-container {
    max-width: 95vw;
    padding: 0 var(--spacing-md);
  }

  .blog-title {
    font-size: var(--font-size-h2);
  }

  .blog-section {
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    border-radius: 12px;
  }

  .tool-card {
    padding: var(--spacing-md);
    border-radius: 12px;
  }

  .blog-text {
    text-align: left;
    font-size: 16px;
    line-height: 1.6;
  }
  
  .highlight-quote {
    padding: var(--spacing-md);
    margin: var(--spacing-md) 0;
    border-left: 4px solid var(--primary-color);
    border-radius: 8px;
  }
  
  .highlight-quote pre {
    font-size: 13px !important;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
  
  table {
    width: 100%;
    font-size: 0.9rem;
    display: block;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    white-space: nowrap;
    border-collapse: collapse;
  }
  
  table td, table th {
    padding: 10px;
    min-width: 50px;
  }
  
  canvas {
    max-width: 100% !important;
    height: auto !important;
  }
  
  .blog-cta {
    padding: var(--spacing-md);
    font-size: var(--font-size-h5);
    margin-top: var(--spacing-lg);
  }
  
  .blog-cta a {
    display: inline-block;
    word-break: break-word;
  }
}

@media (max-width: 480px) {
  .blog-container {
    max-width: 100%;
    padding: 0 var(--spacing-sm);
  }

  .blog-header {
    padding: var(--spacing-md) 0;
    margin-bottom: var(--spacing-lg);
  }

  .blog-title {
    font-size: 28px;
    margin-bottom: var(--spacing-md);
  }

  .blog-title::after {
    bottom: -10px;
    width: 50px;
  }

  .blog-subtitle {
    font-size: 14px;
    margin-top: var(--spacing-md);
  }

  .section-title {
    font-size: 20px;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
  }

  .section-title::after {
    width: 40px;
    height: 2px;
  }

  .blog-section {
    padding: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    border-radius: 10px;
  }

  .tool-card {
    padding: var(--spacing-sm);
    margin: var(--spacing-md) 0;
    border-radius: 10px;
  }

  .tool-title {
    font-size: 16px;
    margin-bottom: var(--spacing-md);
  }

  .blog-text {
    font-size: 14px;
    line-height: 1.6;
  }

  .blog-intro {
    font-size: 15px;
  }

  .highlight-quote {
    padding: var(--spacing-sm);
    margin: var(--spacing-sm) 0;
    border-left: 3px solid var(--primary-color);
  }

  .highlight-quote pre {
    font-size: 11px !important;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    padding: 8px !important;
  }

  .feature-list li {
    padding: var(--spacing-sm) 0;
    padding-left: 20px;
    font-size: 14px;
  }

  .feature-list li::before {
    font-size: 14px;
  }

  .takeaway-list li {
    padding: var(--spacing-sm) 0;
    padding-left: 20px;
    font-size: 14px;
  }

  .takeaway-list li::before {
    font-size: 16px;
    left: -2px;
  }

  .blog-cta {
    padding: var(--spacing-sm);
    font-size: 14px;
    margin-top: var(--spacing-lg);
  }

  table {
    font-size: 0.8rem;
    margin: 10px 0;
  }

  table td, table th {
    padding: 6px;
    min-width: 40px;
  }
}


  /* ===== RESPONSIVE DESIGN ===== */
  @media (max-width: 768px) {
    body {
      background-attachment: scroll;
    }

    :root {
      --font-size-h1: 36px;
      --font-size-h2: 28px;
      --font-size-h3: 22px;
      --font-size-h4: 18px;
      --font-size-h5: 16px;
      --spacing-lg: 24px;
      --spacing-xl: 32px;
    }

    nav {
      padding: 1rem 4%;
    }

    nav img {
      width: 6em;
    }

    .text-box {
      width: 95%;
    }

    .hero-title {
      font-size: 28px;
      margin-bottom: var(--spacing-md);
    }

    .hero-greeting h2 {
      font-size: var(--font-size-h3);
    }

    .hero-greeting p {
      font-size: 16px;
    }

    .text-box__hero-btn,
    .hero-btn {
      padding: 10px 28px;
      font-size: 13px;
    }

    /* Navigation Mobile */
    #backspace,
    #list {
      display: block !important;
      z-index: 2000;
      position: relative;
    }

    /* Add overlay when menu is active */
    body.menu-open::before {
      content: '';
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      bottom: 0;
      background: rgba(0, 0, 0, 0.4);
      z-index: 1998;
    }

    /* Blur background sections when menu is open but keep header/nav sharp */
    /* Exclude the .header section so the navigation (which lives inside it) is not blurred */
    body.menu-open section:not(.header) {
      filter: blur(3px);
    }

    /* Ensure nav and menu remain sharp and above the overlay */
    body.menu-open nav,
    body.menu-open .nav-links {
      filter: none;
      z-index: 2001; /* above overlay (1998) and page content */
    }

    .nav-links {
      position: fixed;
      background: linear-gradient(135deg, rgba(1, 3, 34, 0.98) 0%, rgba(30, 136, 229, 0.05) 100%);
      height: 100vh;
      width: 100%;
      max-width: 300px;
      top: 0;
      right: -300px;
      text-align: left;
      z-index: 1999;
      transition: right 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
      display: none;
      border-left: 2px solid rgba(30, 136, 229, 0.3);
      box-shadow: -10px 0 30px rgba(30, 136, 229, 0.2);
    }

    .nav-links.active {
      right: 0;
      display: block !important;
    }

    .nav-links ul {
      padding: 80px 20px 30px 20px;
      list-style: none;
    }

    .nav-links ul li {
      display: block;
      padding: 0;
      margin: 15px 0;
    }

    .nav-links ul li a {
      margin: 0;
      display: block;
      padding: 12px 15px;
      border-radius: 8px;
      transition: all 0.3s ease;
      position: relative;
    }

    .nav-links ul li a::before {
      content: '';
      position: absolute;
      left: 0;
      top: 0;
      height: 100%;
      width: 3px;
      background: var(--primary-color);
      border-radius: 0 8px 8px 0;
      transform: scaleY(0);
      transform-origin: top;
      transition: transform 0.3s ease;
    }

    .nav-links ul li a:hover {
      background: rgba(30, 136, 229, 0.15);
      padding-left: 20px;
    }

    .nav-links ul li a:hover::before {
      transform: scaleY(1);
    }

    .nav-links ul li::after {
      display: none;
    }

    /* About Section Mobile */
    .about-content {
      flex-direction: column;
      gap: var(--spacing-lg);
    }

    .about-image {
      flex: 1;
      width: 100%;
    }

    .image-frame {
      width: 250px;
      height: 250px;
      margin: 0 auto;
    }

    .about-text {
      flex: 1;
      width: 100%;
    }

    .saurav-intro__text {
      width: 100%;
    }

    .skills-grid {
      grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    }

    /* Blog Section Mobile */
    .blog-content {
      grid-template-columns: 1fr;
      gap: var(--spacing-lg);
    }

    .blog-paragraph {
      text-align: left;
    }

    /* Contact Mobile */
    .contact__container {
      max-width: 90%;
    }

    .contact-method {
      flex-direction: column;
      text-align: center;
      padding: var(--spacing-md);
    }

    .contact-detail {
      text-align: center;
    }

    .contact-method i {
      font-size: 24px;
    }

    .social-links {
      gap: var(--spacing-md);
    }
  }

  @media (max-width: 480px) {
    :root {
      --font-size-h1: 28px;
      --font-size-h2: 22px;
      --font-size-h3: 18px;
      --font-size-h4: 16px;
      --spacing-md: 16px;
      --spacing-lg: 20px;
    }

    nav {
      padding: 0.8rem 3%;
    }

    nav img {
      width: 5em;
    }

    .hero-title {
      font-size: 24px;
    }

    .hero-greeting h2 {
      font-size: 20px;
    }

    .hero-greeting p {
      font-size: 14px;
    }

    .text-box__hero-btn,
    .hero-btn {
      padding: 8px 20px;
      font-size: 12px;
    }

    .container-about {
      padding: 0 var(--spacing-md);
    }

    .image-frame {
      width: 200px;
      height: 200px;
    }

    .intro-text {
      font-size: 14px;
      text-align: left;
    }

    .skills-section {
      padding: var(--spacing-md);
    }

    .skills-grid {
      grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
      gap: var(--spacing-sm);
    }

    .skill-tag {
      padding: var(--spacing-xs) var(--spacing-sm);
      font-size: 12px;
    }

    /* Blog Section Small */
    .blog {
      padding: var(--spacing-lg) !important;
    }

    .blog-paragraph {
      font-size: 14px;
      margin-bottom: var(--spacing-md);
    }

    /* Contact Small */
    .contact__container {
      padding: 0 var(--spacing-md);
    }

    .contact-method {
      padding: var(--spacing-md);
    }

    .social-links {
      gap: var(--spacing-md);
    }

    .social-links li a {
      width: 45px;
      height: 45px;
      font-size: 18px;
    }
  }

  /* Tablet View Optimization */
  @media (min-width: 769px) and (max-width: 1024px) {
    .image-frame {
      width: 300px;
      height: 300px;
    }

    .about-content {
      gap: var(--spacing-lg);
    }

    .blog-content {
      grid-template-columns: 1fr;
    }

    .container-about {
      padding: 0 var(--spacing-lg);
    }
  }
/* ===== CASE STUDY PAGE STYLES ===== */
.case-study-body {
  background-image: var(--background-body);
  background-attachment: fixed;
}

.case-study-content {
  width: 100%;
  padding: var(--spacing-xl) 0;
  background: rgba(1, 3, 34, 0.3);
}

.case-study-container {
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

.case-study-header {
  text-align: center;
  margin-bottom: var(--spacing-xl);
  animation: fadeInUp 0.8s ease;
}

.case-study-title {
  font-size: var(--font-size-h1);
  color: var(--heading-color);
  margin-bottom: var(--spacing-md);
  position: relative;
  display: inline-block;
}

.case-study-title::after {
  content: '';
  position: absolute;
  bottom: -15px;
  left: 50%;
  transform: translateX(-50%);
  width: 100px;
  height: 4px;
  background: var(--primary-color);
  border-radius: 2px;
}

.case-study-subtitle {
  font-size: var(--font-size-h4);
  color: var(--secondary-color);
  margin-top: var(--spacing-lg);
}

.case-study-section {
  margin-bottom: var(--spacing-xl);
  padding: var(--spacing-lg);
  background: var(--card-background);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  backdrop-filter: blur(10px);
  animation: slideInLeft 0.8s ease;
}

.case-study-section h2 {
  font-size: var(--font-size-h2);
  color: var(--heading-color);
  margin-bottom: var(--spacing-lg);
  position: relative;
  padding-bottom: var(--spacing-md);
}

.case-study-section h2::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 50px;
  height: 3px;
  background: var(--primary-color);
  border-radius: 2px;
}

.case-study-section-highlight {
  background: rgba(30, 136, 229, 0.1) !important;
  border-color: var(--primary-color) !important;
}

.case-study-section-highlight h2 {
  color: var(--primary-color);
}

.case-study-text {
  font-size: var(--font-size-h5);
  color: var(--paragraph-color);
  line-height: 1.8;
  margin-bottom: var(--spacing-md);
  text-align: justify;
}

.info-box {
  background: rgba(30, 136, 229, 0.1);
  border-left: 4px solid var(--primary-color);
  padding: var(--spacing-lg);
  margin: var(--spacing-lg) 0;
  border-radius: 8px;
}

.info-box h3 {
  color: var(--primary-color);
  margin-bottom: var(--spacing-md);
  font-size: var(--font-size-h4);
}

.workflow-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.workflow-list li {
  padding: var(--spacing-sm) 0;
  padding-left: var(--spacing-lg);
  position: relative;
  color: var(--paragraph-color);
  line-height: 1.6;
}

.workflow-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--primary-color);
  font-weight: bold;
  font-size: 18px;
}

.code-box {
  background: #0a0e27;
  border: 1px solid var(--card-border);
  border-radius: 8px;
  padding: var(--spacing-lg);
  margin: var(--spacing-lg) 0;
  overflow-x: auto;
  font-family: 'Courier New', monospace;
}

.code-line {
  color: #a8a8a8;
  font-size: 14px;
  line-height: 1.6;
  margin: 4px 0;
}

.code-line-indent {
  margin-left: 20px;
}

.keyword {
  color: #569cd6;
  font-weight: bold;
}

.comment {
  color: #6a9955;
}

.string {
  color: #ce9178;
}

.function {
  color: #dcdcaa;
}

.output-box {
  background: rgba(30, 136, 229, 0.05);
  border: 1px solid var(--primary-color);
  border-radius: 8px;
  padding: var(--spacing-lg);
  margin: var(--spacing-lg) 0;
}

.output-label {
  color: var(--primary-color);
  font-weight: bold;
  margin-bottom: var(--spacing-md);
}

.file-list {
  list-style: none;
  padding: 0;
}

.file-list li {
  padding: var(--spacing-sm) 0;
  padding-left: var(--spacing-md);
  position: relative;
  color: var(--paragraph-color);
  font-size: 14px;
}

.file-list li::before {
  content: '📄';
  position: absolute;
  left: 0;
}

.external-link {
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 500;
  transition: all 0.3s ease;
  border-bottom: 1px solid transparent;
}

.external-link:hover {
  color: var(--secondary-color);
  border-bottom-color: var(--secondary-color);
}

.image-container {
  margin: var(--spacing-lg) 0;
  text-align: center;
}

.image-container img {
  max-width: 100%;
  border-radius: 8px;
  box-shadow: 0 5px 20px rgba(30, 136, 229, 0.2);
  transition: transform 0.3s ease;
}

.image-container img:hover {
  transform: scale(1.02);
}

.image-caption {
  color: var(--text-color);
  font-size: 14px;
  margin-top: var(--spacing-sm);
  font-style: italic;
}

/* Case Study Responsive */
@media (max-width: 768px) {
  .case-study-container {
    padding: 0 var(--spacing-md);
  }

  .case-study-title {
    font-size: var(--font-size-h2);
  }

  .case-study-section {
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
  }

  .code-box {
    padding: var(--spacing-md);
    font-size: 12px;
  }

  .code-line {
    font-size: 12px;
  }
}

.output-text {
  color: var(--paragraph-color);
  margin: var(--spacing-sm) 0;
  font-size: 14px;
}

.output-text:first-of-type {
  margin-top: var(--spacing-md);
}

/* ===== 404 PAGE STYLES ===== */
.error-container {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 40px 20px;
  background-image: var(--background-body);
  background-attachment: fixed;
}

.error-code {
  font-size: 120px;
  font-weight: 700;
  color: #fff;
  margin: 0;
  font-family: 'Poppins', sans-serif;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
}

.error-message {
  font-size: 28px;
  color: #fff;
  margin-top: 20px;
  margin-bottom: 20px;
  font-family: 'Poppins', sans-serif;
  font-weight: 600;
}

.data-joke {
  font-style: italic;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 40px;
  font-size: 16px;
  font-family: 'Lato', sans-serif;
  max-width: 500px;
}

.home-btn {
  background-color: rgba(30, 136, 229, 0.2);
  color: #fff;
  padding: 14px 32px;
  text-decoration: none;
  border-radius: 25px;
  transition: all 0.3s ease;
  font-weight: 600;
  font-family: 'Poppins', sans-serif;
  display: inline-block;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  border: 2px solid rgba(30, 136, 229, 0.4);
}

.home-btn:hover {
  background-color: rgba(30, 136, 229, 0.4);
  border-color: rgba(30, 136, 229, 0.8);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
  text-decoration: none;
}

/* ===== PRIVACY POLICY PAGE STYLES ===== */
.privacy-container {
  max-width: 900px;
  margin: 60px auto;
  padding: 40px 20px;
}

.privacy-header {
  text-align: center;
  margin-bottom: 50px;
}

.privacy-header h1 {
  font-size: 42px;
  font-weight: 700;
  color: #fff;
  font-family: 'Poppins', sans-serif;
  margin-bottom: 15px;
}

.privacy-header .last-updated {
  font-size: 14px;
  color: rgba(232, 178, 163, 0.8);
  font-style: italic;
  font-family: 'Lato', sans-serif;
}

.privacy-section {
  margin-bottom: 40px;
  background: rgba(30, 136, 229, 0.05);
  padding: 25px;
  border-radius: 8px;
  border-left: 4px solid rgba(30, 136, 229, 0.3);
}

.privacy-section h2 {
  font-size: 24px;
  font-weight: 600;
  color: #fff;
  font-family: 'Poppins', sans-serif;
  margin-bottom: 15px;
}

.privacy-section p {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.8;
  font-family: 'Lato', sans-serif;
  margin-bottom: 12px;
}

.privacy-section ul {
  list-style-position: inside;
  margin-top: 15px;
}

.privacy-section li {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.8;
  font-family: 'Lato', sans-serif;
  margin-bottom: 10px;
}

.privacy-section strong {
  color: rgba(232, 178, 163, 0.9);
}

.privacy-section a {
  color: rgba(30, 136, 229, 0.8);
  text-decoration: none;
  transition: color 0.3s ease;
}

.privacy-section a:hover {
  color: rgba(30, 136, 229, 1);
  text-decoration: underline;
}

.back-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background-color: rgba(30, 136, 229, 0.2);
  color: #fff;
  padding: 12px 24px;
  text-decoration: none;
  border-radius: 25px;
  transition: all 0.3s ease;
  border: 2px solid rgba(30, 136, 229, 0.4);
  font-weight: 600;
  font-family: 'Poppins', sans-serif;
  margin-top: 30px;
}

.back-btn:hover {
  background-color: rgba(30, 136, 229, 0.4);
  border-color: rgba(30, 136, 229, 0.8);
  text-decoration: none;
  color: #fff;
  transform: translateY(-2px);
}

@media (max-width: 768px) {
  .error-code {
    font-size: 80px;
  }
  .error-message {
    font-size: 20px;
  }
  .privacy-container {
    margin: 40px auto;
    padding: 20px 15px;
  }
  .privacy-header h1 {
    font-size: 32px;
  }
  .privacy-section {
    padding: 20px;
  }
  .privacy-section h2 {
    font-size: 20px;
  }
}

/* ===== ARTICLES LANDING PAGE STYLES ===== */
.articles-landing {
  width: 100%;
  min-height: 100vh;
  padding: var(--spacing-xl) 0;
  background: rgba(1, 3, 34, 0.3);
}

.articles-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

.articles-header {
  text-align: center;
  margin-bottom: var(--spacing-xl);
  animation: fadeInUp 0.8s ease;
}

.articles-title {
  font-size: var(--font-size-h1);
  color: var(--heading-color);
  margin-bottom: var(--spacing-md);
  position: relative;
  display: inline-block;
}

.articles-title::after {
  content: '';
  position: absolute;
  bottom: -15px;
  left: 50%;
  transform: translateX(-50%);
  width: 120px;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
  border-radius: 2px;
}

.articles-subtitle {
  font-size: var(--font-size-h4);
  color: var(--secondary-color);
  margin-top: var(--spacing-lg);
  font-weight: 300;
}

/* Featured Article Section */
.featured-article-box {
  margin: var(--spacing-xl) 0;
  animation: slideInLeft 0.8s ease;
}

.featured-title {
  font-size: var(--font-size-h3);
  color: var(--heading-color);
  margin-bottom: var(--spacing-lg);
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.featured-card {
  background: linear-gradient(135deg, rgba(30, 136, 229, 0.15), rgba(30, 136, 229, 0.05));
  border: 2px solid rgba(30, 136, 229, 0.3);
  border-radius: 12px;
  padding: var(--spacing-xl);
  backdrop-filter: blur(10px);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.featured-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(30, 136, 229, 0.1), transparent);
  transition: left 0.5s ease;
  z-index: 0;
}

.featured-card:hover {
  border-color: var(--primary-color);
  background: linear-gradient(135deg, rgba(30, 136, 229, 0.2), rgba(30, 136, 229, 0.1));
  box-shadow: 0 10px 40px rgba(30, 136, 229, 0.25);
  transform: translateY(-5px);
}

.featured-card:hover::before {
  left: 100%;
}

.featured-content {
  position: relative;
  z-index: 1;
}

.featured-content h3 {
  font-size: var(--font-size-h2);
  color: var(--heading-color);
  margin-bottom: var(--spacing-md);
}

.featured-content p {
  font-size: var(--font-size-h5);
  color: var(--paragraph-color);
  line-height: 1.8;
  margin-bottom: var(--spacing-lg);
}

.featured-meta {
  display: flex;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
  flex-wrap: wrap;
}

.difficulty,
.read-time {
  display: inline-flex;
  align-items: center;
  padding: 8px 14px;
  background: rgba(30, 136, 229, 0.1);
  color: var(--primary-color);
  border-radius: 20px;
  font-size: 13px;
  font-weight: 600;
  border: 1px solid rgba(30, 136, 229, 0.3);
}

.article-btn {
  display: inline-block;
  padding: 12px 28px;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: white;
  text-decoration: none;
  border-radius: 25px;
  font-weight: 600;
  transition: all 0.3s ease;
  border: 2px solid transparent;
}

.article-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(30, 136, 229, 0.4);
  color: white;
  text-decoration: none;
}

/* Articles Grid */
.articles-grid {
  margin: var(--spacing-xl) 0;
}

.grid-title {
  font-size: var(--font-size-h2);
  color: var(--heading-color);
  margin-bottom: var(--spacing-xl);
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.articles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

/* Article Cards */
.article-card {
  background: var(--card-background);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  overflow: hidden;
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
  backdrop-filter: blur(10px);
  position: relative;
  height: 100%;
  animation: fadeInUp 0.8s ease;
}

.article-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
  z-index: 10;
}

.article-card:hover {
  border-color: var(--primary-color);
  background: rgba(30, 136, 229, 0.12);
  transform: translateY(-8px);
  box-shadow: 0 15px 40px rgba(30, 136, 229, 0.2);
}

.article-card:hover::before {
  transform: scaleX(1);
}

.card-header {
  padding: var(--spacing-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--card-border);
}

.card-header i {
  font-size: 28px;
  color: var(--primary-color);
}

.category-badge {
  background: linear-gradient(135deg, rgba(30, 136, 229, 0.2), rgba(25, 118, 210, 0.2));
  color: var(--primary-color);
  padding: 6px 12px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  border: 1px solid rgba(30, 136, 229, 0.3);
}

.card-content {
  padding: var(--spacing-lg);
  flex: 1;
}

.card-content h3 {
  font-size: var(--font-size-h4);
  color: var(--heading-color);
  margin-bottom: var(--spacing-md);
}

.card-content p {
  font-size: 15px;
  color: var(--paragraph-color);
  line-height: 1.6;
  margin-bottom: var(--spacing-lg);
}

.card-meta {
  display: flex;
  gap: var(--spacing-md);
  font-size: 14px;
  color: var(--text-color);
  flex-wrap: wrap;
  align-items: center;
}

.card-meta span {
  display: flex;
  align-items: center;
  gap: 6px;
}

.card-meta i {
  color: var(--primary-color);
}

.card-link {
  display: inline-block;
  padding: var(--spacing-md) var(--spacing-lg);
  margin-top: auto;
  background: transparent;
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s ease;
  border-radius: 8px;
  position: relative;
  overflow: hidden;
}

.card-link::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: -100%;
  width: 100%;
  height: 2px;
  background: var(--primary-color);
  transition: left 0.3s ease;
}

.card-link:hover {
  color: var(--secondary-color);
  text-decoration: none;
}

.card-link:hover::before {
  left: 0;
}

/* CTA Section */
.articles-cta {
  text-align: center;
  padding: var(--spacing-xl);
  background: linear-gradient(135deg, rgba(30, 136, 229, 0.1), rgba(25, 118, 210, 0.05));
  border: 2px solid rgba(30, 136, 229, 0.2);
  border-radius: 12px;
  margin: var(--spacing-xl) 0;
  animation: slideInRight 0.8s ease;
}

.articles-cta h2 {
  font-size: var(--font-size-h2);
  color: var(--heading-color);
  margin-bottom: var(--spacing-md);
}

.articles-cta p {
  font-size: var(--font-size-h4);
  color: var(--secondary-color);
  margin-bottom: var(--spacing-lg);
}

.cta-btn {
  display: inline-block;
  padding: 14px 32px;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: white;
  text-decoration: none;
  border-radius: 25px;
  font-weight: 600;
  font-size: var(--font-size-h5);
  transition: all 0.3s ease;
  border: 2px solid transparent;
}

.cta-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 35px rgba(30, 136, 229, 0.35);
  color: white;
  text-decoration: none;
}

/* Articles Responsive */
@media (max-width: 768px) {
  .articles-title {
    font-size: var(--font-size-h2);
  }

  .articles-title::after {
    width: 80px;
  }

  .articles-subtitle {
    font-size: var(--font-size-h5);
  }

  .featured-card {
    padding: var(--spacing-lg);
  }

  .featured-content h3 {
    font-size: var(--font-size-h3);
  }

  .articles-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }

  .article-card {
    animation: fadeInUp 0.6s ease;
  }

  .articles-cta {
    padding: var(--spacing-lg);
    margin: var(--spacing-lg) 0;
  }

  .articles-cta h2 {
    font-size: var(--font-size-h3);
  }

  .articles-cta p {
    font-size: var(--font-size-h5);
  }
}

@media (max-width: 480px) {
  .articles-header {
    margin-bottom: var(--spacing-lg);
  }

  .articles-title {
    font-size: var(--font-size-h3);
  }

  .articles-subtitle {
    font-size: 14px;
  }

  .featured-card {
    padding: var(--spacing-md);
  }

  .featured-content h3 {
    font-size: var(--font-size-h4);
  }

  .featured-meta {
    gap: var(--spacing-sm);
  }

  .difficulty,
  .read-time {
    padding: 6px 10px;
    font-size: 12px;
  }

  .article-btn {
    padding: 10px 20px;
    font-size: 13px;
  }

  .card-header {
    padding: var(--spacing-md);
  }

  .card-content {
    padding: var(--spacing-md);
  }

  .card-content h3 {
    font-size: 16px;
  }

  .card-content p {
    font-size: 14px;
  }
}
/* ===== CONTACT FORM STYLES ===== */
.contact-form-container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 60px 40px;
  background: var(--card-background);
  border: 2px solid var(--card-border);
  border-radius: 16px;
  backdrop-filter: blur(10px);
  animation: fadeInUp 0.8s ease;
  box-shadow: 0 8px 32px rgba(30, 136, 229, 0.15);
}

.contact-form-container h2 {
  font-size: var(--font-size-h2);
  margin-bottom: var(--spacing-lg);
  color: var(--heading-color);
  text-align: center;
}

.form-group {
  margin-bottom: 35px;
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.form-group label {
  font-size: 1.25rem;
  color: var(--heading-color);
  font-weight: 700;
  letter-spacing: 0.5px;
}

.form-group input,
.form-group textarea,
.form-group select {
  padding: 22px 24px;
  background: rgba(255, 255, 255, 0.05);
  border: 2px solid var(--card-border);
  border-radius: 12px;
  color: var(--text-color);
  font-family: var(--font-body);
  font-size: 18px;
  transition: all 0.3s ease;
  letter-spacing: 0.3px;
  line-height: 1.6;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: rgba(240, 237, 229, 0.6);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--primary-color);
  background: rgba(30, 136, 229, 0.15);
  box-shadow: 0 0 35px rgba(30, 136, 229, 0.35);
  transform: translateY(-3px);
}

.form-group textarea {
  resize: vertical;
  min-height: 280px;
  font-family: var(--font-body);
  line-height: 1.8;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
}

.form-submit-btn {
  padding: 22px 50px;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: white;
  border: none;
  border-radius: 12px;
  font-size: 1.2rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.3s ease;
  width: 100%;
  margin-top: 20px;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  box-shadow: 0 4px 20px rgba(30, 136, 229, 0.3);
}

.form-submit-btn:hover {
  transform: translateY(-4px);
  box-shadow: 0 15px 40px rgba(30, 136, 229, 0.5);
}

.form-submit-btn:active {
  transform: translateY(-1px);
}

.form-message {
  padding: 20px 24px;
  border-radius: 12px;
  margin-bottom: 30px;
  display: none;
  font-weight: 700;
  border-left: 5px solid;
  animation: slideInRight 0.5s ease;
  font-size: 1rem;
}

.form-message.success {
  background: rgba(76, 175, 80, 0.2);
  border-left-color: #4CAF50;
  color: #4CAF50;
  display: block;
}

.form-message.error {
  background: rgba(244, 67, 54, 0.2);
  border-left-color: #F44336;
  color: #F44336;
  display: block;
}

@media (max-width: 768px) {
  .contact-form-container {
    padding: 40px 25px;
    border-radius: 12px;
  }

  .form-group {
    margin-bottom: 25px;
    gap: 12px;
  }

  .form-group label {
    font-size: 1.1rem;
  }

  .form-row {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .form-group input,
  .form-group textarea,
  .form-group select {
    font-size: 16px;
    padding: 18px 20px;
    border-radius: 10px;
  }

  .form-group textarea {
    min-height: 220px;
  }

  .form-submit-btn {
    padding: 18px 35px;
    font-size: 1rem;
  }
}