* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', sans-serif;
  }
  
  body {
    background: #f5f7fa;
    color: #333;
  }
  
  /* NAVBAR */
  
  .navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 10%;
    background: #111;
  }
  
  .logo {
    color: #fff;
  }
  
  .nav-links {
    list-style: none;
    display: flex;
  }
  
  .nav-links li {
    margin-left: 25px;
  }
  
  .nav-links a {
    text-decoration: none;
    color: #fff;
    transition: 0.3s;
  }
  
  .nav-links a:hover,
  .active {
    color: #00aaff;
  }
  
  /* HERO SECTION */
  
  .hero {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 80px 10%;
    flex-wrap: wrap;
  }
  
  .hero-text {
    max-width: 50%;
  }
  
  .tag {
    display: inline-block;
    background: rgba(0,170,255,0.12);
    color: #00aaff;
    padding: 6px 12px;
    border-radius: 999px;
    margin-bottom: 12px;
    font-size: 14px;
  }
  
  .hero-text h1 {
    font-size: 40px;
    margin-bottom: 15px;
  }
  
  .hero-text h3 {
    color: #00aaff;
    margin-bottom: 15px;
  }
  
  .muted {
    color: #555;
  }
  
  .hero-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-top: 18px;
  }
  
  /* HERO CARD */
  
  .hero-card {
    background: white;
    padding: 18px;
    border-radius: 12px;
    box-shadow: 0 6px 18px rgba(0,0,0,0.12);
    width: 340px;
  }
  
  .hero-avatar {
    width: 100%;
    border-radius: 10px;
    margin-bottom: 12px;
  }
  
  .hero-card-text ul {
    padding-left: 18px;
    line-height: 1.8;
  }
  
  /* BUTTONS */
  
  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 18px;
    border-radius: 10px;
    text-decoration: none;
    font-weight: 600;
    letter-spacing: 0.2px;
    transition: transform 0.15s ease, box-shadow 0.15s ease, opacity 0.15s ease;
  }
  
  .btn-primary {
    background: #00aaff;
    color: #fff;
    box-shadow: 0 10px 18px rgba(0, 170, 255, 0.25);
  }
  
  .btn-secondary {
    background: #ffffff;
    color: #111;
    border: 2px solid rgba(0,0,0,0.12);
    box-shadow: 0 10px 18px rgba(0,0,0,0.06);
  }
  
  .btn:hover {
    transform: translateY(-2px);
    opacity: 0.98;
  }
  
  .btn:active {
    transform: translateY(0px);
  }
  
  /* SECTION STYLING */
  
  .section {
    padding: 70px 10%;
  }
  
  .section-title {
    font-size: 28px;
    margin-bottom: 8px;
  }
  
  .section-subtitle {
    margin-bottom: 28px;
    color: #555;
  }
  
  /* PROJECTS */
  
  .projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 22px;
  }
  
  .project-card {
    background: white;
    padding: 22px;
    border-radius: 12px;
    box-shadow: 0 6px 18px rgba(0,0,0,0.1);
  }
  
  .chips {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin: 14px 0;
  }
  
  .chip {
    background: #eef6ff;
    padding: 6px 10px;
    border-radius: 999px;
    font-size: 13px;
  }
  
  .project-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-top: 10px;
  }
  
  .btn-small {
    padding: 10px 14px;
    background: #00aaff;
    color: white;
    text-decoration: none;
    border-radius: 6px;
    font-size: 14px;
  }
  
  .btn-small-outline {
    padding: 10px 14px;
    border: 2px solid #00aaff;
    color: #00aaff;
    text-decoration: none;
    border-radius: 6px;
    font-size: 14px;
  }
  
  /* CTA SECTION */
  
  .cta-box {
    background: #111;
    color: white;
    border-radius: 14px;
    padding: 35px 22px;
    text-align: center;
  }
  
  .cta-box .muted {
    color: #cfcfcf;
  }
  
  /* ABOUT PAGE */
  
  .about-container {
    padding: 60px 10%;
  }
  
  .about-intro {
    display: flex;
    align-items: center;
    gap: 40px;
    margin-bottom: 50px;
    flex-wrap: wrap;
  }
  
  .about-image {
    width: 200px;
    border-radius: 10px;
  }
  
  .about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
  }
  
  .card {
    background: white;
    padding: 25px;
    border-radius: 10px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
  }
  
  .card h3 {
    margin-bottom: 15px;
    color: #2a5298;
  }
  
  .card ul {
    padding-left: 20px;
  }
  
  /* CONTACT FORM */
  
  .contact-form {
    display: flex;
    flex-direction: column;
    max-width: 500px;
  }
  
  .contact-form input,
  .contact-form textarea {
    margin-bottom: 15px;
    padding: 12px;
    border: 1px solid #ccc;
    border-radius: 5px;
  }
  
  .contact-form button {
    padding: 12px;
    background: #111;
    color: white;
    border: none;
    cursor: pointer;
  }
  
  /* FOOTER */
  
  footer {
    text-align: center;
    padding: 20px;
    background: #111;
    color: white;
    margin-top: 40px;
  }
  
  /* RESPONSIVE */
  
  @media (max-width: 900px) {
  
    .hero {
      flex-direction: column;
      gap: 25px;
    }
  
    .hero-text {
      max-width: 100%;
    }
  
    .hero-card {
      width: 100%;
    }
  
    .nav-links {
      flex-direction: column;
      margin-top: 10px;
    }
  
    .nav-links li {
      margin: 10px 0;
    }
  
    .about-intro {
      flex-direction: column;
      text-align: center;
    }
  }