@import url('https://fonts.googleapis.com/css2?family=Pacifico&family=Roboto:wght@400;700&display=swap');

  /* Genel Ayarlar */
  body {
    font-family: 'Roboto', sans-serif;
    color: #e0f7fa;
  }

  html, body {
    margin: 0; padding: 0;
    height: 100vh; /* kesin yükseklik */
    overflow: hidden;
    background: linear-gradient(
    180deg,
    #004d7a 0%,         /* Başlangıç rengi */
    #2a5298 18%,        /* Header sonu */
    #665191 50%,        /* Orta geçiş */
    #003f5c 100%        /* Sayfa sonu */
  );
  }


  header {
      height: 18vh; /* Header yüksekliği */
    text-align: center;
    padding: 50px 20px 40px;
    /*background: linear-gradient(180deg, #004d7a 0%, #2a5298 40%, #665191 75%, #003f5c 100%);
    box-shadow: 0 4px 10px rgba(0,0,0,0.3);*/
  }

  header h1 {   
    font-family: 'Pacifico', cursive;
    font-size: 3.5rem;
    margin: 0;
    letter-spacing: 3px;
    color: #00bcd4;
  }

  header p {
    font-size: 1.2rem;
    margin-top: 5px;
    font-style: italic;
    color: #a7ffeb;
  }

  /* Deniz dalgası animasyonu */
.waves {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 100px;
  pointer-events: none;
  overflow: hidden;
  z-index: 1000;
}

.wave {
  /*position: absolute; /* Ekle! */
  width: 300vw;
  height: 150px;
  bottom: 0;
  background-repeat: repeat-x;
  /*background-size: 50vw 150px;*/ 
  opacity: 0.6;
  animation-timing-function: linear;
  animation-iteration-count: infinite;
}

.wave1 {
  background-image: url('data:image/svg+xml;utf8,<svg fill="%2300bcd4" height="100" viewBox="0 0 1440 100" width="1440" xmlns="http://www.w3.org/2000/svg"><path d="M0,30 C360,90 1080,0 1440,30 L1440,100 L0,100 Z"/></svg>');
  opacity: 0.7;
  z-index: 1000;
  animation-name: waveMove;
}

.wave2 {
  background-image: url('data:image/svg+xml;utf8,<svg fill="%23004d40" height="100" viewBox="0 0 1440 100" width="1440" xmlns="http://www.w3.org/2000/svg"><path d="M0,50 C360,10 1080,80 1440,50 L1440,100 L0,100 Z"/></svg>');
  bottom: 10px;
  opacity: 0.5;
  z-index: 1001; /* YÜKSELTİLDİ */
  animation-name: waveMoveReverse;
}


@keyframes waveMove {
  0% { transform: translateX(0); }
  100% { transform: translateX(-150vw); } 
}
@keyframes waveMoveReverse {
  0% { transform: translateX(-150vw); }
  100% { transform: translateX(0); }
}

  main {
    max-width: 900px;
    margin: 30px auto 60px;
    background: rgba(0, 77, 64, 0.7);
    border-radius: 15px;
    padding: 30px 40px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.4);
  }

  main h2 {
    font-size: 2rem;
    margin-bottom: 20px;
    color: #00e5ff;
    border-bottom: 2px solid #00bcd4;
    padding-bottom: 5px;
  }

  .section-content {
    margin-bottom: 40px;
    line-height: 1.6;
  }

  .skills {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
  }
  .skill {
    background: #00838f;
    padding: 8px 15px;
    border-radius: 30px;
    font-weight: 700;
    color: #b2ebf2;
    box-shadow: 0 3px 8px rgba(0, 0, 0, 0.3);
    user-select: none;
    transition: background 0.3s ease;
  }
  .skill:hover {
    background: #00acc1;
  }

  footer {
    text-align: center;
    padding: 20px;
    font-size: 0.9rem;
    background: #004d40;
    color: #b2dfdb;
  }

  /* Responsive */
  @media (max-width: 600px) {
    header h1 {
      font-size: 2.8rem;
    }
    main {
      margin: 20px 15px 40px;
      padding: 25px 20px;
    }
  }