* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }

  html {
    scroll-behavior: smooth;
  }

  body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f5f5f5;
    color: #333;
    line-height: 1.7;
    overflow-x: hidden;
  }

  a {
    text-decoration: none;
    color: inherit;
  }

  img {
    max-width: 100%;
    height: auto;
  }





  .container {
    max-width: 1200px;
    margin: auto;
    padding: 20px;
  }


  header {
    background: linear-gradient(135deg, #ffffff 0%, #f0f0f0 100%);
    color: #000;
    padding: 80px 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    border-bottom: 1px solid #ddd;
    position: relative;
    overflow: hidden;
  }

  header::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(83, 83, 83, 0.05) 0%, transparent 70%);
    animation: rotate 30s linear infinite;
  }

  @keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
  }

  header img {
    width: 140px;
    margin-bottom: 20px;
    position: relative;
    z-index: 1;
    filter: drop-shadow(0 4px 8px rgba(0,0,0,0.1));
  }

  header h1 {
    font-size: 3.5em;
    font-family: 'Trebuchet MS', sans-serif;
    margin-bottom: 10px;
    position: relative;
    z-index: 1;
    background: linear-gradient(135deg, #1a1a1a, #4a4a4a);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
  }

  header h4 {
    font-size: 1.3em;
    margin-bottom: 20px;
    font-family: 'Trebuchet MS', sans-serif;
    position: relative;
    z-index: 1;
    color: #555;
  }

  header p {
    max-width: 900px;
    margin: 0 auto;
    font-size: 1.1em;
    opacity: 0.85;
    position: relative;
    z-index: 1;
  }


  section {
    padding: 80px 20px;
    background-color: #fff;
    margin-bottom: 30px;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.08);
  }

  section h2 {
    text-align: center;
    margin-bottom: 50px;
    font-size: 2.5em;
    color: #1a1a1a;
    font-family: 'Trebuchet MS', sans-serif;
    position: relative;
    display: inline-block;
    left: 50%;
    transform: translateX(-50%);
  }

  section h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, #818181, #e9e9e9);
    border-radius: 2px;
  }


  .about {
    max-width: 1000px;
    margin: 0 auto;
  }

  .about-text {
    padding: 30px;
    background: linear-gradient(135deg, #fafafa 0%, #f0f0f0 100%);
    border-radius: 12px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.08);
    text-align: justify;
    line-height: 1.9;
    font-size: 1.05em;
  }

  .about-text h2 {
    text-align: left;
    margin-bottom: 25px;
  }

  .about-text h2::after {
    left: 0;
    transform: none;
  }


  .tech {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    max-width: 1100px;
    margin: 0 auto;
  }

  .tech-item {
    padding: 35px 25px;
    background: linear-gradient(135deg, #fafafa 0%, #ffffff 100%);
    border-radius: 12px;
    text-align: center;
    transition: all 0.4s ease;
    border: 1px solid #e0e0e0;
    position: relative;
    overflow: hidden;
  }

  .tech-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(129,129,129,0.1), transparent);
    transition: left 0.5s ease;
  }

  .tech-item:hover::before {
    left: 100%;
  }

  .tech-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 35px rgba(0,0,0,0.15);
    border-color: #818181;
  }

  .tech-item i {
    font-size: 3em;
    margin-bottom: 20px;
    background: linear-gradient(135deg, #818181, #4a4a4a);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
  }

  .tech-item h3 {
    margin-bottom: 15px;
    font-size: 1.4em;
    color: #2d2d2d;
  }

  .tech-item p {
    font-size: 0.95em;
    opacity: 0.85;
    line-height: 1.7;
  }


  .projects {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    max-width: 1100px;
    margin: 0 auto;
  }

  .project-card {
    background: linear-gradient(135deg, #ffffff 0%, #f8f8f8 100%);
    border: 1px solid #e0e0e0;
    border-radius: 12px;
    padding: 35px;
    transition: all 0.4s ease;
    text-align: justify;
    position: relative;
    overflow: hidden;
  }

  .project-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 0;
    background: linear-gradient(180deg, #818181, #e9e9e9);
    transition: height 0.4s ease;
  }

  .project-card:hover::after {
    height: 100%;
  }

  .project-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.15);
    border-color: #818181;
  }

  .project-card h3 {
    margin-bottom: 15px;
    color: #1a1a1a;
    font-size: 1.4em;
  }

  .project-card p {
    line-height: 1.8;
    opacity: 0.9;
  }


  .cta-section {
    text-align: center;
    padding: 100px 20px;
    background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%);
    color: #fff;
    border-radius: 0;
    margin-bottom: 0;
    position: relative;
    overflow: hidden;
  }

  .cta-section::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.05) 0%, transparent 70%);
    animation: rotate 40s linear infinite;
  }

  .cta-section span {
    color: #fff;
    position: relative;
    z-index: 1;
    font-size: 30px;
    font-weight: bold;
  }

  .cta-section span::after {
    background: linear-gradient(90deg, #e9e9e9, #818181);
  }

  .cta-section p {
    margin: 25px 0 40px;
    opacity: 0.9;
    font-size: 1.15em;
    position: relative;
    z-index: 1;
  }

  .cta {
    display: inline-block;
    padding: 18px 40px;
    background: linear-gradient(135deg, #818181, #e9e9e9);
    color: #000;
    font-weight: 600;
    border-radius: 50px;
    font-size: 1.15em;
    cursor: pointer;
    transition: all 0.4s ease;
    box-shadow: 0 8px 20px rgba(0,0,0,0.3);
    position: relative;
    z-index: 1;
  }

  .cta:hover {
    background: linear-gradient(135deg, #e9e9e9, #ffffff);
    transform: scale(1.08);
    box-shadow: 0 12px 30px rgba(0,0,0,0.4);
  }