* {
  box-sizing: border-box;
}
body {
  margin: 0;
  font-family: Arial, sans-serif;
  background-color: #f7f9fc;
  color: #333;
}
.header {
  background-color: #fff;
  padding: 10px 20px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}
.container {
  display: flex;
  justify-content: center; /* sola değil ortada */
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
}
.logo {
  max-width: 160px;
}
.nav-menu {
  display: flex;
  gap: 20px;
}
.nav-menu a {
  text-decoration: none;
  color: #333;
  font-weight: bold;
  transition: color 0.3s;
}
.nav-menu a:hover {
  color: #25D366;
}
.hero {
  background-size: cover;
  background-position: center;
  color: white;
  text-align: center;
  padding: 80px 20px;
}
.hero-content h1 {
  font-size: 36px;
  margin: 0 0 10px;
}
.hero-content p {
  font-size: 18px;
}
.hero-content button {
  margin-top: 20px;
  padding: 12px 24px;
  font-size: 16px;
  background-color: #ca8e53;
  border: none;
  border-radius: 6px;
  color: white;
  cursor: pointer;
}
.whatsapp-button {
  display: inline-block;
  background-color: #ca8e53;
  color: white;
  padding: 12px 20px;
  border-radius: 6px;
  font-size: 16px;
  text-decoration: none;
  transition: background-color 0.3s ease;
}
.whatsapp-button:hover {
  background-color: #b97f47;
}
.services {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  padding: 40px 20px;
  gap: 30px;
}
.service-box {
  background: white;
  border-radius: 12px;
  box-shadow: 0 0 12px rgba(0,0,0,0.05);
  padding: 20px;
  text-align: center;
  width: 300px;
}
.service-box img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: 15px;
}
.footer {
  background-color: #f0f0f0;
  padding: 30px;
  text-align: center;
}
.popup {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0,0,0,0.6);
  justify-content: center;
  align-items: center;
  z-index: 1000;
}
.popup-content {
  background-color: white;
  padding: 30px;
  border-radius: 10px;
  max-width: 400px;
  width: 90%;
  position: relative;
}
.popup-content h2 {
  margin-top: 0;
}
.popup-content form input,
.popup-content form textarea {
  width: 100%;
  padding: 10px;
  margin-top: 10px;
  margin-bottom: 15px;
  border: 1px solid #ccc;
  border-radius: 6px;
}
.popup-content form button {
  width: 100%;
  padding: 12px;
  font-size: 16px;
  background-color: #ca8e53;
  color: white;
  border: none;
  border-radius: 6px;
}
.close-btn {
  position: absolute;
  right: 15px;
  top: 10px;
  font-size: 22px;
  cursor: pointer;
}