* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
  }
  
  body {
    font-family: Arial, Helvetica, sans-serif;
    line-height: 1.6;
    color: #222;
    background: #f7f7f7;
  }
  
  .container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 24px;
  }
  
  .eyebrow {
    font-size: 14px;
    font-weight: bold;
    letter-spacing: 2px;
    color: #666;
    margin-bottom: 18px;
  }
  
  /* Hero */
  
  .hero {
    background: white;
    padding: 100px 0 80px;
    text-align: center;
    border-bottom: 1px solid #ddd;
  }
  
  .eyebrow {
    font-size: 13px;
    font-weight: bold;
    letter-spacing: 2.5px;
    color: #666;
    margin-bottom: 20px;
  }
  
  .hero h1 {
    font-size: 52px;
    line-height: 1.1;
    margin-bottom: 20px;
  }
  
  .hero h2 {
    max-width: 780px;
    margin: 0 auto 25px;
    font-size: 27px;
    line-height: 1.4;
    font-weight: normal;
    color: #444;
  }
  
  .hero-description {
    max-width: 680px;
    margin: 0 auto 35px;
    font-size: 18px;
    line-height: 1.7;
    color: #666;
  }

  .links {
    display: flex;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
  }
  
  .links a {
    display: inline-block;
    padding: 12px 24px;
    background: #222;
    color: white;
    text-decoration: none;
    border-radius: 6px;
    font-weight: bold;
    transition: background 0.2s ease, transform 0.2s ease;
  }
  
  .links a:hover {
    background: #444;
    transform: translateY(-2px);
  }
  
  /* Sections */
  
  section {
    padding: 60px 0;
  }
  
  section h2 {
    text-align: center;
    font-size: 32px;
    margin-bottom: 35px;
  }
  
  /* Cards */
  
  .cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }
  
  .card {
    background: white;
    padding: 25px;
    border-radius: 8px;
    border: 1px solid #ddd;
  }
  
  .card h3 {
    margin-bottom: 12px;
    font-size: 21px;
  }
  
  .card p {
    color: #555;
    margin-bottom: 15px;
  }
  
  .card a {
    color: #222;
    font-weight: bold;
  }
  
  /* About */
  
  .about {
    max-width: 750px;
    margin: 0 auto;
    text-align: center;
    font-size: 18px;
    color: #555;
  }
  
  /* Skills */
  
  .skills {
    text-align: center;
    font-size: 18px;
  }
  
  .skills span {
    display: inline-block;
    background: white;
    border: 1px solid #ddd;
    padding: 8px 14px;
    margin: 5px;
    border-radius: 5px;
  }
  
  /* Footer */
  
  footer {
    background: #222;
    color: white;
    text-align: center;
    padding: 30px 0;
  }
  
  /* Mobile */
  
  @media (max-width: 700px) {
    .hero {
      padding: 70px 0 60px;
    }
  
    .hero h1 {
      font-size: 38px;
    }
  
    .hero h2 {
      font-size: 21px;
    }
  
    .hero-description {
      font-size: 16px;
    }
  
    .cards {
      grid-template-columns: 1fr;
    }
  }

/* Open Source */

.open-source {
    background: #f7f7f7;
  }
  
  .section-label {
    text-align: center;
    font-size: 13px;
    font-weight: bold;
    letter-spacing: 2.5px;
    color: #666;
    margin-bottom: 12px;
  }
  
  .section-intro {
    max-width: 680px;
    margin: -15px auto 35px;
    text-align: center;
    font-size: 17px;
    color: #666;
  }
  
  .open-source-card {
    display: flex;
    flex-direction: column;
  }
  
  .card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    margin-bottom: 8px;
  }
  
  .card-header h3 {
    margin-bottom: 0;
  }
  
  .project-role {
    font-size: 14px;
    font-weight: bold;
    color: #777;
    margin-bottom: 16px;
  }
  
  .status {
    display: inline-block;
    padding: 4px 9px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: bold;
    white-space: nowrap;
  }
  
  .status.approved {
    background: #e8eef8;
    color: #315b91;
  }
  
  .status.merged {
    background: #e8f5e9;
    color: #2e6b3f;
  }
  
  .tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin: 5px 0 20px;
  }
  
  .tags span {
    padding: 5px 9px;
    background: #f0f0f0;
    border-radius: 4px;
    font-size: 12px;
    color: #555;
  }
  
  .project-link {
    margin-top: auto;
    padding-top: 10px;
    color: #222;
    font-weight: bold;
    text-decoration: none;
  }
  
  .project-link:hover {
    text-decoration: underline;
  }

  /* Open Source Cards */

.open-source-card {
    position: relative;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
  }
  
  .open-source-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
  }
  
  .card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    margin-bottom: 8px;
  }
  
  .card-header h3 {
    margin-bottom: 0;
  }
  
  .project-role {
    font-size: 14px;
    font-weight: bold;
    color: #777;
    margin-bottom: 16px;
  }
  
  .status {
    display: inline-block;
    padding: 4px 9px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: bold;
    white-space: nowrap;
  }
  
  .status.approved {
    background: #e8eef8;
    color: #315b91;
  }
  
  .status.merged {
    background: #e8f5e9;
    color: #2e6b3f;
  }
  
  .tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin: 5px 0 20px;
  }
  
  .tags span {
    padding: 5px 9px;
    background: #f0f0f0;
    border-radius: 4px;
    font-size: 12px;
    color: #555;
  }
  
  .project-link {
    margin-top: auto;
    padding-top: 10px;
    color: #222;
    font-weight: bold;
    text-decoration: none;
  }
  
  .project-link:hover {
    text-decoration: underline;
  }

  /* Education */

.education {
    max-width: 750px;
    margin: 0 auto;
  }
  
  .education-item {
    background: white;
    padding: 24px;
    margin-bottom: 18px;
    border: 1px solid #ddd;
    border-radius: 8px;
  }
  
  .education-item h3 {
    margin-bottom: 6px;
    font-size: 21px;
  }
  
  .education-degree {
    font-weight: bold;
    color: #444;
    margin-bottom: 4px;
  }
  
  .education-item p:last-child {
    color: #666;
  }

/* Contact */

.contact {
    background: white;
    border-top: 1px solid #ddd;
  }
  
  .contact-email {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 25px;
  }
  
  .contact-email a {
    color: #222;
    font-size: 18px;
    font-weight: bold;
    text-decoration: none;
  }
  
  .contact-email a:hover {
    text-decoration: underline;
  }
  
  .contact-email button {
    padding: 9px 16px;
    border: 1px solid #222;
    border-radius: 6px;
    background: white;
    color: #222;
    font-weight: bold;
    cursor: pointer;
  }
  
  .contact-email button:hover {
    background: #222;
    color: white;
  }
  
  .contact-links {
    display: flex;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
  }
  
  .contact-links a {
    display: inline-block;
    padding: 11px 22px;
    border: 1px solid #222;
    border-radius: 6px;
    color: #222;
    text-decoration: none;
    font-weight: bold;
  }
  
  .contact-links a:hover {
    background: #222;
    color: white;
  }
  
  .copy-message {
    min-height: 24px;
    margin-top: 15px;
    text-align: center;
    font-size: 14px;
    color: #555;
  }