/* ========== GENEL AYARLAR ========== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Poppins', sans-serif;
  line-height: 1.6;
  color: #222;
  background-color: #f9f9f9;
}

/* Container */
.container {
  width: 90%;
  max-width: 1200px;
  margin: auto;
}

/* Başlık renkleri */
h1, h2, h3 {
  color: #0a3d62;
}

/* ========== HEADER ========== */
.header {
  background: #fff;
  box-shadow: 0 2px 8px rgba(0,0,0,0.05);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 0;
}

.logo {
  font-size: 1.6rem;
  font-weight: 700;
  color: #0a3d62;
}

.logo span {
  color: #1e90ff;
}

.nav a {
  margin-left: 20px;
  text-decoration: none;
  color: #333;
  font-weight: 500;
  transition: 0.3s;
}

.nav a:hover {
  color: #1e90ff;
}

/* ========== HERO (ANA GÖRSEL) ========== */
.hero {
  background: linear-gradient(rgba(0,0,0,0.5), rgba(0,0,0,0.5)),
              url('../images/hero-bg.jpg') center/cover no-repeat;
  height: 85vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: #fff;
  padding: 20px;
}

.hero h1 {
  color: #fff;
  font-size: 2.8rem;
  margin-bottom: 15px;
}

.hero p {
  font-size: 1.1rem;
  max-width: 700px;
  margin: auto;
  margin-bottom: 25px;
}

.btn {
  display: inline-block;
  background: #1e90ff;
  color: #fff;
  padding: 12px 25px;
  border-radius: 4px;
  text-decoration: none;
  font-weight: 600;
  transition: 0.3s;
}

.btn:hover {
  background: #0a3d62;
}

/* ========== HİZMETLER ========== */
.services {
  padding: 60px 0;
  background: #fff;
}

.services h2 {
  text-align: center;
  margin-bottom: 40px;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
}

.service-box {
  background: #f4f9ff;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
  text-align: center;
  padding: 25px;
  transition: 0.3s;
}

.service-box:hover {
  transform: translateY(-5px);
}

.service-box img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: 15px;
}

.service-box h3 {
  margin-bottom: 10px;
  color: #1e90ff;
}

/* ========== HAKKIMIZDA ========== */
.about {
  padding: 60px 0;
  background: #f9f9f9;
  text-align: center;
}

.about p {
  max-width: 800px;
  margin: 20px auto;
  color: #444;
}

/* ========== İLETİŞİM ========== */
.contact {
  padding: 60px 0;
  background: #fff;
  text-align: center;
}

.contact ul {
  list-style: none;
  margin-top: 20px;
}

.contact li {
  margin-bottom: 10px;
  font-size: 1rem;
}

/* ========== FOOTER ========== */
.footer {
  background: #0a3d62;
  color: #fff;
  text-align: center;
  padding: 15px 0;
  font-size: 0.9rem;
}

/* ========== MOBİL UYUMLULUK ========== */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 2rem;
  }

  .nav {
    display: none; /* İstersen burada hamburger menü ekleyebiliriz */
  }
}

/* ========== MOBİL MENÜ ========== */
.menu-toggle {
  display: none;
  font-size: 1.8rem;
  cursor: pointer;
  color: #0a3d62;
}

/* Mobil görünüm */
@media (max-width: 768px) {
  .menu-toggle {
    display: block;
  }

  .nav {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 60px;
    right: 20px;
    background: #fff;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    border-radius: 6px;
    width: 200px;
  }

  .nav a {
    padding: 10px 15px;
    border-bottom: 1px solid #eee;
    color: #333;
  }

  .nav a:last-child {
    border-bottom: none;
  }

  .nav.active {
    display: flex;
  }
}