    *{
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }
    
    html{
      scroll-behavior: smooth;
    }
    
    :root{
      --bg: #000000;
      --text: #ffffff;
      --primary: #00c896;
      --secondary: #ff4d8d;
      --accent: #2dd4ff;
      --card: #ffffff0a;
      --glow: #00c89640;
    }
    
    body.light{
      --bg: #ffffff;
      --text: #000000;
      --primary: #007a5e;
      --secondary: #d6246e;
      --accent: #0095c8;
      --card: #0000000d;
      --glow: #007a5e33;
    }
    
    body{
      font-family: 'Space Grotesk', sans-serif;
      background: var(--bg);
      color: var(--text);
      overflow-x: hidden;
      transition: background 0.3s ease, color 0.3s ease;
    }
    
    .flex{
      display: flex;
      justify-content: center;
      align-items: center;
    }
    
    /* loader */
    .loader{
      position: fixed;
      inset: 0;
      background: var(--bg);
      z-index: 999;
      transition: opacity 0.6s, visibility 0.6s, transform 0.8s;
    }
    
    .loader.hide{
      opacity: 0;
      visibility: hidden;
      transform: scale(0.95);
    }
    
    .loader-content{
      text-align: center;
      flex-direction: column;
    }
    
    .loader-text{
      font-family: 'JetBrains Mono', monospace;
      font-size: clamp(0.9rem, 2vw, 1.2rem);
      color: var(--primary);
      margin-bottom: 2rem;
      text-shadow: 0 0 2rem var(--glow);
      letter-spacing: 2px;
    }
    
    .loader-bar{
      width: 20rem;
      max-width: 80vw;
      height: 0.3rem;
      background: var(--card);
      border-radius: 1rem;
      overflow: hidden;
    }
    
    .loader-fill{
      height: 100%;
      background: linear-gradient(90deg, var(--primary), var(--accent));
      width: 0;
      animation: load 2.3s cubic-bezier(0.65, 0, 0.35, 1) forwards;
      box-shadow: 0 0 2rem var(--glow);
    }
    
    @keyframes load{
      to{ width: 100%; }
    }
    
    /* navigation */
    .nav{
      height: 4rem;
      width: 100%;
      padding: 0 5%;
      justify-content: space-between;
      backdrop-filter: blur(1rem);
      border-bottom: 1px solid var(--card);
      position: fixed;
      z-index: 20;
      background: rgba(0, 0, 0, 0.5);
    }
    
    body.light .nav{
      background: rgba(255, 255, 255, 0.5);
    }
    
    .logo{
      font-size: 1.5rem;
      font-weight: 700;
      color: var(--primary);
      letter-spacing: 2px;
    }
    
    .nav-links{
      display: flex;
      gap: 1rem;
      align-items: center;
    }
    
    .btn{
      padding: 0.8rem 1.5rem;
      border: none;
      cursor: pointer;
      font-family: 'Space Grotesk', sans-serif;
      font-weight: 600;
      font-size: 0.9rem;
      transition: all 0.3s ease;
    }
    
    .nav-btn{
      background: transparent;
      color: var(--primary);
      border: none;
    }
    
    .nav-btn:hover{
      color: var(--accent);
      transform: translateY(-2px);
    }
    
    .menu{
      display: none;
      cursor: pointer;
      font-size: 1.5rem;
      color: var(--primary);
    }
    
    /* img section */
    main{
      width: 100%;
      position: relative;
    }
    
    .hero{
      display: flex;
      align-items: center;
      justify-content: center;
      min-height: 100vh;
      width: 100%;
      padding: 6rem 5% 4rem;
      position: relative;
    }
    
    .hero-flex{
      max-width: 1400px;
      margin: 0 auto;
      display: flex;
      align-items: center;
      gap: 4rem;
      flex-wrap: wrap;
    }
    
    .hero-content{
      flex: 1;
      min-width: 300px;
      display: flex;
      flex-direction: column;
      gap: 1.5rem;
      animation: fadeInUp 1s ease-out;
    }
    
    @keyframes fadeInUp{
      from{
        opacity: 0;
        transform: translateY(30px);
      }
      to{
        opacity: 1;
        transform: translateY(0);
      }
    }
    
    .hero-tag{
      display: inline-block;
      background: var(--card);
      border: 1px solid var(--primary);
      border-radius: 50px;
      color: var(--primary);
      padding: 0.5rem 1.5rem;
      animation: pulse 2s ease-in-out infinite;
      font-size: 0.9rem;
      width: fit-content;
    }
    
    @keyframes pulse{
      0%, 100%{ opacity: 1; }
      50%{ opacity: 0.5; }
    }
    
    .hero-content h1{
      font-size: clamp(2.5rem, 6vw, 4.5rem);
      font-weight: 700;
      background: linear-gradient(135deg, var(--primary), var(--accent));
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
    }
    
    .hero-content span{
      font-size: clamp(1rem, 2vw, 1.3rem);
      line-height: 1.6;
      opacity: 0.9;
    }
    
    .hero-btns{
      display: flex;
      gap: 1rem;
      flex-wrap: wrap;
    }
    
    .btn-primary{
      background: linear-gradient(135deg, var(--primary), var(--accent));
      color: #000;
      border-radius: 20px;
    }
    
    .btn-outline{
      background: transparent;
      border: 2px solid var(--primary);
      color: var(--primary);
      border-radius: 20px;
    }
    
    .btn-primary:hover,
    .btn-outline:hover{
      transform: translateY(-5px);
      box-shadow: 0 1.2rem 3rem var(--glow);
    }
    
    .about-profile{
      flex: 1;
      display: flex;
      justify-content: center;
      align-items: center;
      min-width: 300px;
      animation: fadeIn 1.5s ease-out;
    }
    
    @keyframes fadeIn{
      from{ opacity: 0; }
      to{ opacity: 1; }
    }
    
    .profile-ring{
      border-radius: 50%;
      border: 3px solid var(--primary);
      padding: 8px;
      animation: pulse-ring 3s ease-in-out infinite;
      position: relative;
    }
    
    @keyframes pulse-ring{
      0%, 100%{
        border-color: var(--primary);
        box-shadow: 0 0 40px var(--glow);
      }
      50%{
        border-color: var(--accent);
        box-shadow: 0 0 60px rgba(0, 212, 255, 0.4);
      }
    }
    
    .profile-image{
      width: 300px;
      height: 300px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--primary), var(--accent));
      transition: all 0.3s ease;
      background: url(./images/image\ \(13\).png);
      background-position: center;
      background-size: cover;
      background-position: center;
      background-repeat: no-repeat;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 6rem;
    }
    
    .profile-ring:hover .profile-image{
      transform: scale(1.05);
    }
    
    /* sections */
    .section{
      padding: 5%;
      max-width: 1400px;
      margin: 0 auto;
    }
    
    .section-header{
      text-align: center;
      margin-bottom: 4rem;
    }
    
    .section-tag{
      color: var(--primary);
      font-family: 'JetBrains Mono', monospace;
      font-size: 0.9rem;
      letter-spacing: 3px;
      margin-bottom: 1rem;
    }
    
    .section-title{
      font-size: clamp(2rem, 4vw, 3rem);
      margin-bottom: 1rem;
    }
    
    .section-desc{
      font-size: 1.1rem;
      opacity: 0.8;
      max-width: 600px;
      margin: 0 auto;
    }
    
    /* projects grid */
    .projects{
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
      gap: 2rem;
    }
    
    .project{
      background: var(--card);
      border: 1px solid var(--primary);
      border-radius: 20px;
      padding: 2rem;
      transition: all 0.3s ease;
      cursor: pointer;
    }
    
    .project:hover{
      transform: translateY(-10px);
      box-shadow: 0 1rem 3rem var(--glow);
    }
    
    .project-icon{
      font-size: 3rem;
      margin-bottom: 1rem;
    }
    
    .project-title{
      font-size: 1.5rem;
      margin-bottom: 1rem;
      color: var(--primary);
    }
    
    .project-desc{
      opacity: 0.8;
      line-height: 1.6;
      margin-bottom: 1.5rem;
    }
    
    .project-tags{
      display: flex;
      gap: 0.5rem;
      flex-wrap: wrap;
    }
    
    .tag{
      background: var(--primary);
      color: #000;
      padding: 0.3rem 0.8rem;
      border-radius: 10px;
      font-size: 0.85rem;
      font-weight: 600;
    }
    
    /* skills grid */
    .skills{
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 2rem;
    }
    
    .skill{
      background: var(--card);
      border: 1px solid var(--primary);
      border-radius: 15px;
      padding: 1.5rem;
    }
    
    .skill-header{
      display: flex;
      justify-content: space-between;
      margin-bottom: 1rem;
    }
    
    .skill-name{
      font-weight: 600;
      font-size: 1.1rem;
    }
    
    .skill-percent{
      color: var(--primary);
      font-weight: 700;
    }
    
    .skill-bar{
      height: 8px;
      background: var(--card);
      border-radius: 10px;
      overflow: hidden;
    }
    
    .skill-fill{
      height: 100%;
      background: linear-gradient(90deg, var(--primary), var(--accent));
      width: 0;
      transition: width 1s ease;
      box-shadow: 0 0 10px var(--glow);
    }
    
    /* services */
    .services-grid{
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: 2rem;
      margin-bottom: 3rem;
    }
    
    .service-card{
      background: var(--card);
      border: 1px solid var(--primary);
      border-radius: 20px;
      padding: 2.5rem;
      text-align: center;
      transition: all 0.3s ease;
      position: relative;
      overflow: hidden;
      display: flex;
      justify-content: space-between;
      flex-direction: column;
    }

    
    .service-card::before{
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: linear-gradient(135deg, var(--primary), var(--accent));
      opacity: 0;
      transition: opacity 0.3s ease;
      z-index: -1;
    }
    
    .service-card.featured{
      border: 2px solid var(--accent);
      transform: scale(1.05);
    }
    
    .service-card:hover{
      transform: translateY(-10px) scale(1.05);
      box-shadow: 0 2rem 4rem var(--glow);
    }
    
    .service-badge{
      display: inline-block;
      background: var(--primary);
      color: #000;
      padding: 0.5rem 1rem;
      border-radius: 20px;
      font-size: 0.85rem;
      font-weight: 700;
      margin-bottom: 1.5rem;
    }
    
    .service-badge.popular{
      background: linear-gradient(135deg, var(--secondary), var(--accent));
    }
    
    .service-price{
      font-size: 3rem;
      font-weight: 700;
      color: var(--primary);
      margin-bottom: 1rem;
    }
    
    .service-title{
      font-size: 1.5rem;
      margin-bottom: 1.5rem;
    }
    
    .service-features{
      list-style: none;
      text-align: left;
      margin-bottom: 2rem;
    }
    
    .service-features li{
      padding: 0.8rem 0;
      border-bottom: 1px solid var(--card);
      opacity: 0.9;
    }
    
    .service-cta{
      background: var(--card);
      border: 2px solid var(--accent);
      border-radius: 20px;
      padding: 3rem;
      text-align: center;
    }
    
    .service-cta h3{
      font-size: 2rem;
      margin-bottom: 1rem;
      color: var(--accent);
    }
    
    .service-cta p{
      font-size: 1.1rem;
      opacity: 0.8;
      margin-bottom: 2rem;
    }
    
    /* contact form */
    .contact-form{
      max-width: 600px;
      margin: 0 auto;
      background: var(--card);
      border: 1px solid var(--primary);
      border-radius: 20px;
      padding: 5%;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    
    .form-group{
      margin-bottom: 1.5rem;
    }
    
    .form-group input,
    .form-group textarea{
      width: 100%;
      padding: 1rem;
      background: var(--bg);
      border: 1px solid var(--card);
      border-radius: 10px;
      color: var(--text);
      font-family: 'Space Grotesk', sans-serif;
      font-size: 1rem;
      transition: all 0.3s ease;
    }
    
    .form-group input:focus,
    .form-group textarea:focus{
      outline: none;
      border-color: var(--primary);
      box-shadow: 0 0 20px var(--glow);
    }
    
    .form-group textarea{
      min-height: 150px;
      resize: vertical;
    }
    
    /* footer */
    footer{
      padding: 2rem 5%;
      text-align: center;
      border-top: 1px solid #252222;
      flex-direction: column;
    }
    
    /* esponsive */
    @media screen and (max-width: 768px){
      .menu{
        display: block;
      }
      
      .nav-links{
        position: fixed;
        top: 4rem;
        left: -100%;
        width: 100%;
        height: calc(100vh - 4rem);
        flex-direction: column;
        background: var(--bg);
        backdrop-filter: blur(1rem);
        border-right: 1px solid var(--card);
        transition: left 0.3s ease;
        padding: 2rem;
        gap: 2rem;
      }
      
      .nav-links.active{
        left: 0;
      }
      
      .hero-flex{
        flex-direction: column-reverse;
        text-align: center;
      }
      
      .hero-content{
        align-items: center;
      }
      
      .hero-btns{
        justify-content: center;
      }
      
      .profile-image{
        width: 200px;
        height: 200px;
        font-size: 4rem;
      }
      
      .services-grid{
        grid-template-columns: 1fr;
      }
      
      .service-card.featured{
        transform: scale(1);
      }
    }