/* Reset */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  user-select: none;
}

body {
  font-family: 'Poppins', sans-serif;
  background: #fff;
  color: #fafafa;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Header */
header {
  background: linear-gradient(90deg, #050000, #050000);
  padding: 20px 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 15px;
  box-shadow: 0 8px 30px rgb(252, 252, 252);
  position: sticky;
  top: 0;
  z-index: 100;
}

.logo {
  color: #fff;
  font-weight: 700;
  font-size: 1.9rem;
  letter-spacing: 1.3px;
  text-shadow: 0 2px 6px rgba(0,0,0,0.3);
  user-select: none;
}

/* Nav */
nav {
  display: flex;
  gap: 30px;
}

.nav-link {
  color: #fff;
  text-decoration: none;
  font-weight: 600;
  font-size: 1.1rem;
  position: relative;
  padding: 6px 8px;
  transition: color 0.3s ease;
  cursor: pointer;
}

.nav-link:hover,
.nav-link.active {
  color: #222;
  background: #fff;
  border-radius: 20px;
  padding: 6px 16px;
  box-shadow: 0 5px 18px rgba(0,0,0,0.15);
  transition: all 0.3s ease;
}

/* Main */
main {
  flex-grow: 1;
  padding: 50px 30px 80px;
  max-width: 1000px;
  margin: 0 auto;
}

/* Bölümler */
.section {
  display: none;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.section.active {
  display: block;
  opacity: 1;
  transform: translateY(0);
}

/* Ana Sayfa Başlık */
#homeSection h1 {
  font-size: 2.6rem;
  font-weight: 700;
  margin-bottom: 18px;
  color: #050000;
  text-align: center;
  text-shadow: 0 3px 10px rgba(250, 250, 250, 0.5);
}

#homeSection p {
  font-size: 1.25rem;
  color: #444;
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
}

/* Kategori panel (aşağı açılan) */
.kategori-panel {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.6s cubic-bezier(0.77, 0, 0.175, 1);
  width: 100%;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 15px;
}

/* Kategori panel aktif olduğunda max-height artacak */
.section#kategoriSection.active .kategori-panel {
  max-height: 400px; /* yeterince yüksek yap, içeriğe göre ayarlanabilir */
}

/* Kategori item */
.kategori-item {
  background: #050000;
  color: white;
  font-weight: 600;
  font-size: 1.3rem;
  padding: 20px 25px;
  border-radius: 40px;
  max-width: 300px;
  margin: 0 auto;
  box-shadow: 0 6px 20px rgba(255, 64, 129, 0.3);
  cursor: pointer;
  user-select: none;
  transition:
    background-color 0.3s ease,
    box-shadow 0.3s ease,
    transform 0.3s ease;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
}

/* Hover efekti */
.kategori-item:hover {
  background: #241b1e;
  box-shadow: 0 8px 30px rgba(252, 252, 252, 0.6);
  transform: translateY(-6px) scale(1.05);
}

/* Yakında olanlar için farklı stil */
.kategori-item.soon {
  background: #ddd;
  color: #777;
  cursor: default;
  box-shadow: none;
  transform: none;
  font-style: italic;
  pointer-events: none;
  user-select: none;
}

/* İçindeki span küçültme */
.kategori-item.soon span {
  font-weight: 400;
  font-size: 1rem;
  margin-left: 8px;
  color: #999;
}

/* İletişim Bölümü */
#iletisimSection {
  max-width: 600px;
  margin: 0 auto;
  text-align: center;
}

#iletisimSection h2 {
  font-size: 2.2rem;
  margin-bottom: 20px;
  color: #070606;
  text-shadow: 0 3px 10px rgb(247, 243, 244);
}

#iletisimSection p {
  font-size: 1.15rem;
  margin: 8px 0;
  color: #444;
}

/* Footer */
footer {
  background: #222;
  color: #bbb;
  text-align: center;
  padding: 25px 0;
  font-size: 0.9rem;
  user-select: none;
  box-shadow: 0 -5px 10px rgba(0,0,0,0.15);
}

/* Responsive */
@media (max-width: 600px) {
  header {
    justify-content: center;
    padding: 20px 20px;
  }
  .nav-link {
    font-size: 1rem;
    padding: 6px 12px;
  }
  main {
    padding: 30px 15px 60px;
  }
  .kategori-item {
    max-width: 100%;
    border-radius: 30px;
    font-size: 1.1rem;
    padding: 18px 22px;
  }
}