/* Genel Ayarlar */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

body {
  background: #050816;
  color: #e5e5e5;
  line-height: 1.6;
}

/* Üst Menü */
.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 7%;
  background: rgba(5, 8, 22, 0.96);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(120, 120, 120, 0.15);
}

.logo img {
  height: 75px;
  width: auto;
}

.nav a {
  margin-left: 20px;
  text-decoration: none;
  color: #cfcfcf;
  font-size: 0.95rem;
  transition: 0.2s;
}

.nav a:hover {
  color: #ffffff;
}

/* Hero */
.hero {
  min-height: 75vh;
  display: flex;
  align-items: center;
  padding: 0 7%;
  background-image: url('arkaplan.jpg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  position: relative;
}

.hero::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 10%;
  height: 10%;
  background: #03071999;
}

.hero-content {
  position: relative;
  z-index: 2;
}

.hero-content {
  max-width: 640px;
}

.hero h1 {
  font-size: 2.6rem;
  margin-bottom: 14px;
  color: #08041d;
}

.hero p {
  font-size: 1rem;
  color: #ffffff;
  margin-bottom:22px;
  max-width: 450px;
}

.btn-primary,
.btn-secondary {
  display: inline-block;
  padding: 10px 20px;
  margin-right: 10px;
  border-radius: 999px;
  font-size: 0.95rem;
  text-decoration: none;
  cursor: pointer;
  border: 1px solid transparent;
  transition: 0.2s ease;
}

.btn-primary {
  background: #2563eb;
  color: #cfcfcf;
  border-color: #2563eb;
}

.btn-primary:hover {
  background: #2563eb;
  color: #ffffff;
  border-color: #2563eb;
}

.btn-secondary {
  background: #2563eb;
  color: #cfcfcf;
  border-color: #2563eb;
}

.btn-secondary:hover {
  border-color: #2563eb;
  color: #ffffff;
}

/* Genel Bölümler */
.section {
  padding: 50px 7%;
}

.section h2 {
  font-size: 1.8rem;
  margin-bottom: 14px;
}

.section p {
  color: #b3b3b3;
  max-width: 1800px;
}

/* Kartlar */
.cards .card-wrapper {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 18px;
  margin-top: 20px;
}

.card {
  padding: 18px;
  border-radius: 18px;
  background: rgba(17, 24, 39, 0.96);
  border: 1px solid rgba(75, 85, 99, 0.6);
}

.card h3 {
  margin-bottom: 8px;
  font-size: 1.1rem;
}

.card p {
  font-size: 0.9rem;
}

/* Neden Biz */
.section-alt {
  background: #020817;
}

.list {
  list-style: none;
  margin-top: 10px;
}

.list li {
  margin-bottom: 6px;
  padding-left: 14px;
  border-left: 2px solid #2563eb;
  font-size: 0.95rem;
  color: #cfcfcf;
}

/* İletişim Formu */
.contact-form {
  margin-top: 14px;
  max-width: 480px;
}

.form-row {
  margin-bottom: 10px;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 9px 11px;
  border-radius: 10px;
  border: 1px solid #4b5563;
  background: #020817;
  color: #e5e5e5;
  font-size: 0.9rem;
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: #2563eb;
}

.contact-info {
  margin-top: 10px;
  font-size: 0.9rem;
  color: #9ca3af;
}

/* Footer */
.footer {
  padding: 18px 7%;
  text-align: center;
  font-size: 0.8rem;
  color: #6b7280;
  border-top: 1px solid rgba(75, 85, 99, 0.4);
  background: #020817;
}

/* Responsive */
@media (max-width: 768px) {
  .hero {
    padding-top: 40px;
    padding-bottom: 30px;
  }
  .hero h1 {
    font-size: 2rem;
  }
  .nav {
    display: none; /* Basit tutmak için; istersen mobil menü ekleriz */
  }
}