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

body {
  font-family: 'Poppins', Arial, sans-serif;
  line-height: 1.6;
  background: linear-gradient(135deg, #ffecd2, #fcb69f);
  color: #333;
}

/* Header */
header {
  background: linear-gradient(135deg, #6a11cb, #2575fc);
  color: #fff;
  padding: 70px 20px;
  text-align: center;
  box-shadow: 0 4px 12px rgba(0,0,0,0.3);
}

/* Başlangıçta header animasyon için gizli */
header.slide-down {
  opacity: 0;
  transform: translateY(-60px);
  transition: all 0.8s ease-out;
}

header.slide-down.show {
  opacity: 1;
  transform: translateY(0);
}

header h1 {
  font-size: 3em;
  margin-bottom: 15px;
}

header p {
  font-size: 1.2em;
  opacity: 0.95;
}

/* Bölümler temel kart stili */
section {
  max-width: 900px;
  margin: 40px auto;
  padding: 30px;
  background: #fff;
  border-radius: 15px;
  box-shadow: 0 6px 15px rgba(0,0,0,0.15);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

section:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 25px rgba(0,0,0,0.2);
}

section h2 {
  font-size: 1.8em;
  margin-bottom: 15px;
  display: inline-block;
  padding-bottom: 5px;
  background: linear-gradient(90deg, #ff6a00, #ee0979);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Projeler listesi */
ul {
  list-style: none;
  padding-left: 0;
}

ul li {
  background: linear-gradient(135deg, #fdfbfb, #ebedee);
  margin: 12px 0;
  padding: 14px;
  border-left: 6px solid #ff6a00;
  border-radius: 8px;
  transition: all 0.3s ease;
}

ul li:hover {
  background: linear-gradient(135deg, #ffecd2, #fcb69f);
  border-left-color: #ee0979;
  transform: scale(1.02);
}

/* İletişim linkleri */
a {
  color: #2575fc;
  font-weight: bold;
  text-decoration: none;
  transition: color 0.3s ease, transform 0.2s ease;
}

a:hover {
  color: #ee0979;
  transform: scale(1.05);
  text-decoration: underline;
}

/* Footer */
footer {
  text-align: center;
  padding: 20px;
  background: linear-gradient(135deg, #6a11cb, #2575fc);
  color: #fff;
  margin-top: 50px;
  font-size: 0.9em;
  border-top-left-radius: 15px;
  border-top-right-radius: 15px;

  /* animasyon başlangıç durumu */
  opacity: 0;
  transform: translateY(60px);
  transition: all 0.8s ease-out;
}

footer.slide-up.show {
  opacity: 1;
  transform: translateY(0);
}

/* Responsive (mobil uyum) */
@media (max-width: 768px) {
  header h1 {
    font-size: 2em;
  }
  section {
    margin: 20px;
    padding: 20px;
  }
}

/* Profil fotoğrafı */
.profile-img {
  width: 150px;
  height: 150px;
  border-radius: 50%;
  border: 4px solid #fff;
  margin-bottom: 15px;
  box-shadow: 0 4px 10px rgba(0,0,0,0.3);
  object-fit: cover;
}

/* Sosyal medya butonları */
.buttons {
  margin-top: 20px;
}

.btn {
  display: inline-block;
  padding: 10px 20px;
  margin: 5px;
  border-radius: 25px;
  font-weight: bold;
  color: #fff;
  text-decoration: none;
  transition: transform 0.2s ease, background 0.3s ease;
}

/* Farklı buton renkleri */
.btn.mail { background: #ff6a00; }
.btn.github { background: #333; }
.btn.linkedin { background: #0077b5; }

.btn:hover {
  transform: scale(1.05);
  opacity: 0.9;
}

/* === Kayma Animasyonları için Ek Sınıflar === */

/* Kartların temel animasyon başlangıcı */
.card {
  opacity: 0;
  transition: all 0.8s ease-out;
}

/* Görünür olduğunda aktif hale gelsin */
.card.show {
  opacity: 1;
  transform: translateX(0);
}

/* Sağdan kayan kartlar */
.slide-right {
  transform: translateX(100px);
}

/* Soldan kayan kartlar */
.slide-left {
  transform: translateX(-100px);
}
/* Yumuşak kaydırma */
html { scroll-behavior: smooth; }

/* NAVBAR */
.nav {
  position: sticky; /* sayfa scrollda üstte kalsın */
  top: 0;
  z-index: 1000;
  background: linear-gradient(135deg, #6a11cb, #2575fc);
  box-shadow: 0 2px 10px rgba(0,0,0,0.2);
}

.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 10px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  color: #fff;
  font-weight: 700;
  text-decoration: none;
  letter-spacing: 0.2px;
}

.hamburger {
  display: none;
  border: none;
  background: transparent;
  font-size: 1.4rem;
  color: #fff;
  cursor: pointer;
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 18px;
}

.nav-links a {
  color: #87ff;
  text-decoration: none;
  font-weight: 600;
  opacity: 0.9;
  padding: 8px 10px;
  border-radius: 8px;
  transition: background 0.2s ease, opacity 0.2s ease;
}

.nav-links a:hover {
  background: rgba(255,255,255,0.12);
  opacity: 1;
}

/* Aktif link vurgusu */
.nav-links a.active {
  background: rgba(255,255,255,0.2);
  opacity: 1;
}

/* Header ile nav çakışmasın diye üst boşluk */
header { padding-top: 80px; }

/* Mobil menü */
@media (max-width: 768px) {
  .hamburger { display: block; }
  .nav-links {
    position: absolute;
    left: 0; right: 0; top: 56px;
    background: linear-gradient(135deg, #6a11cb, #2575fc);
    flex-direction: column;
    gap: 0;
    display: none;
  }
  .nav-links li { border-top: 1px solid rgba(255,255,255,0.15); }
  .nav-links a { display: block; padding: 12px 16px; }
  .nav-links.show { display: block; }
}