* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  
  body {
    font-family: "Roboto", sans-serif;
    background: linear-gradient(135deg, #000428, #004e92);
    background-size: 400% 400%;
    color: #fff;
    animation: bgShift 10s ease infinite;
    overflow-x: hidden;
  }
  
  /* 🔵 Arka plan hareketi */
  @keyframes bgShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
  }
  
  /* HEADER */
  .glow-header {
    text-align: center;
    padding: 60px 20px 30px;
    animation: fadeDown 1.5s ease;
  }
  
  .glow-header h1 {
    font-family: "Orbitron", sans-serif;
    font-size: 2.8em;
    color: #ffffff;
    text-shadow: 0 0 20px #00ffff, 0 0 40px #0077ff;
    letter-spacing: 2px;
  }
  
  .glow-header p {
    color: #c8e9ff;
    margin-top: 8px;
  }
  
  /* NAVBAR */
  .navbar {
    width: 100%;
    position: sticky;
    top: 0;
    z-index: 1000;
    animation: slideDown 1.3s ease;
  }
  
  .glass-nav {
    background: rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(77, 195, 255, 0.3);
  }
  
  .navbar ul {
    display: flex;
    justify-content: center;
    gap: 40px;
    list-style: none;
    padding: 15px 0;
  }
  
  .navbar a {
    color: #b8e3ff;
    text-decoration: none;
    font-weight: 500;
    position: relative;
    transition: all 0.3s ease;
  }
  
  .navbar a::after {
    content: "";
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0%;
    height: 2px;
    background: #00ffff;
    transition: width 0.3s ease;
  }
  
  .navbar a:hover {
    color: #fff;
  }
  
  .navbar a:hover::after {
    width: 100%;
  }
  
  .navbar a.active {
    color: #fff;
    font-weight: 600;
  }
  
  .navbar a.active::after {
    width: 100%;
  }
  
  /* SECTIONS */
  main {
    width: 90%;
    max-width: 950px;
    margin: 0 auto;
    padding-bottom: 60px;
  }
  
  section {
    padding: 50px 0;
    opacity: 0;
    transform: translateY(40px);
    transition: all 1s ease;
  }
  
  section.visible {
    opacity: 1;
    transform: translateY(0);
  }
  
  .fade-section h2 {
    color: #ffffff;
    border-left: 4px solid #4dc3ff;
    padding-left: 10px;
    margin-bottom: 15px;
    font-size: 2em;
  }
  
  section p {
    line-height: 1.7em;
    font-size: 1.1em;
    color: #e0f4ff;
  }
  
  /* SLIDE EFFECTS */
  .slide-left { transform: translateX(-40px); }
  .slide-right { transform: translateX(40px); }
  .zoom-in { transform: scale(0.9); }
  
  section.visible.slide-left,
  section.visible.slide-right,
  section.visible.zoom-in {
    transform: none;
  }
  
  /* SERVICES */
  .service-list li {
    margin: 12px 0;
    padding: 12px 18px;
    background: rgba(0, 80, 150, 0.2);
    border-radius: 10px;
    box-shadow: 0 0 5px #004b80;
    transition: all 0.3s ease;
  }
  
  .service-list li:hover {
    transform: translateX(10px);
    background: rgba(77, 195, 255, 0.3);
    box-shadow: 0 0 15px #4dc3ff;
  }
  
  /* FOOTER */
  .glass-footer {
    background: rgba(0, 0, 20, 0.4);
    backdrop-filter: blur(8px);
    text-align: center;
    padding: 40px 0px;
    border-top: 1px solid #4dc3ff;
    animation: fadeUp 1.5s ease;
  }
  
  .glass-footer a {
    color: #a0c8ff;
    text-decoration: none;
    transition: color 0.3s;
  }
  
  .glass-footer a:hover {
    color: #fff;
  }
  
  .insta-icon {
    width: 55px;
    height: 55px;
    margin-top: 15px;
    transition: transform 0.4s ease;
  }
  
  .insta-icon:hover {
    transform: rotate(10deg) scale(1.2);
  }
  
  /* ANİMASYONLAR */
  @keyframes fadeDown {
    from { opacity: 0; transform: translateY(-40px); }
    to { opacity: 1; transform: translateY(0); }
  }
  
  @keyframes slideDown {
    from { opacity: 0; transform: translateY(-50px); }
    to { opacity: 1; transform: translateY(0); }
  }
  
  @keyframes fadeUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
  }
  

  /* GÖRSELLER */
.section-img {
    width: 100%;
    max-height: 350px;
    object-fit: cover;
    border-radius: 15px;
    margin: 25px 0;
    display: block;
    box-shadow: 0 0 25px rgba(0, 150, 255, 0.3);
    transition: transform 0.4s ease, box-shadow 0.4s ease;
  }
  

  
  /* 📱 RESPONSIVE TASARIMLAR */
  
  /* Tablet (max 900px) */
  @media (max-width: 900px) {
    main {
      width: 95%;
    }
  
    .navbar ul {
      gap: 25px;
    }
  
    .glow-header h1 {
      font-size: 2.3em;
    }
  
    .fade-section h2 {
      font-size: 1.6em;
    }
  
    section p {
      font-size: 1em;
    }
  
    .section-img {
      max-height: 300px;
    }
  }
  
  /* Mobil (max 650px) */
  @media (max-width: 650px) {
    body {
      font-size: 15px;
    }
  
    .navbar ul {
      gap: 15px;
      flex-wrap: wrap;
      justify-content: center;
    }
  
    .navbar a {
      font-size: 0.9em;
    }
  
    .glow-header {
      padding: 40px 10px 20px;
    }
  
    .glow-header h1 {
      font-size: 1.8em;
      line-height: 1.2em;
    }
  
    .glow-header p {
      font-size: 0.9em;
    }
  
    .fade-section h2 {
      font-size: 1.3em;
    }
  
    section {
      padding: 35px 0;
    }
  
    .service-list li {
      font-size: 0.9em;
      padding: 10px 12px;
    }
  
    .section-img {
      max-height: 230px;
      border-radius: 10px;
    }
  
    .glass-footer {
      padding: 25px 10px;
      font-size: 0.9em;
    }
  
    .insta-icon {
      width: 40px;
      height: 40px;
    }
  }
  
  /* Küçük Telefonlar (max 400px) */
  @media (max-width: 400px) {
    .navbar ul {
      gap: 10px;
    }
  
    .navbar a {
      font-size: 0.8em;
    }
  
    .glow-header h1 {
      font-size: 1.5em;
    }
  
    .fade-section h2 {
      font-size: 1.1em;
    }
  
    section p {
      font-size: 0.9em;
    }
  
    .section-img {
      max-height: 200px;
    }
  }
  