/* ==========================================
   GENEL AYARLAR (RESET & TYPOGRAPHY)
========================================== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
  background-color: #f8f9fa;
  color: #333;
  line-height: 1.6;
}

a {
  text-decoration: none;
  transition: all 0.3s ease;
}

/* Renk Paleti Tanımlamaları
   Lacivert: #1a2b4c
   Altın/Gold: #d4b04c
   Açık Gri: #f8f9fa
   Koyu Gri: #333
*/

/* ==========================================
   HEADER & NAVBAR
========================================== */
header {
  background-color: #ffffff;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.header-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 20px;
}

.logo a {
  color: #1a2b4c;
}

.logo h1 {
  font-size: 26px;
  font-weight: 800;
  letter-spacing: 1px;
}

.logo span {
  color: #d4b04c;
}

nav {
  display: flex;
  align-items: center;
}

nav a {
  color: #1a2b4c;
  font-weight: 600;
  margin-left: 25px;
  font-size: 15px;
  text-transform: uppercase;
}

nav a:hover {
  color: #d4b04c;
}

/* ==========================================
   HERO SECTİON (ANA SAYFA ÜST KISIM)
========================================== */
.hero {
  /* Kendi arkaplan resminizi buraya ekleyebilirsiniz: url('FOTO/hero-bg.jpg') */
  background: linear-gradient(rgba(26, 43, 76, 0.85), rgba(26, 43, 76, 0.85)), url('https://images.unsplash.com/photo-1449965408869-eaa3f722e40d?q=80&w=1920&auto=format&fit=crop') center/cover no-repeat;
  color: #ffffff;
  text-align: center;
  padding: 120px 20px;
}

.hero h1 {
  font-size: 3rem;
  margin-bottom: 20px;
  line-height: 1.2;
  text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
}

.hero p {
  font-size: 1.2rem;
  margin-bottom: 40px;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
  color: #e0e0e0;
}

.cta-button {
  background-color: #d4b04c;
  color: #fff;
  padding: 15px 35px;
  border-radius: 5px;
  font-size: 1.1rem;
  font-weight: bold;
  box-shadow: 0 4px 15px rgba(212, 176, 76, 0.4);
}

.cta-button:hover {
  background-color: #b5953e;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(212, 176, 76, 0.6);
}

/* ==========================================
   SAYFA BAŞLIKLARI (İÇ SAYFALAR İÇİN)
========================================== */
.page-header {
  background-color: #1a2b4c;
  color: #ffffff;
  text-align: center;
  padding: 60px 20px;
  margin-bottom: 50px;
}

.page-header h2 {
  font-size: 2.5rem;
  margin-bottom: 10px;
  color: #d4b04c;
}

.page-header p {
  font-size: 1.1rem;
  opacity: 0.9;
}

/* ==========================================
   ORTAK KONTEYNER VE GRİD SİSTEMİ
========================================== */
.container {
  max-width: 1200px;
  margin: 0 auto 60px;
  padding: 0 20px;
}

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

/* ==========================================
   KART TASARIMLARI (HİZMETLER VB.)
========================================== */
.card {
  background-color: #ffffff;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border-bottom: 4px solid transparent;
}

.card:hover {
  transform: translateY(-10px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  border-bottom: 4px solid #d4b04c;
}

.card img {
  width: 100%;
  height: 220px;
  object-fit: cover;
}

.card-content {
  padding: 30px 20px;
  text-align: center;
}

.card-content h3 {
  font-size: 1.4rem;
  color: #1a2b4c;
  margin-bottom: 15px;
}

.card-content p {
  color: #666;
  font-size: 0.95rem;
}

/* ==========================================
   REFERANSLAR SAYFASI
========================================== */
.logos-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 40px;
  margin-bottom: 60px;
}

.logos-grid img {
  max-width: 180px;
  max-height: 100px;
  object-fit: contain;
  filter: grayscale(100%);
  transition: filter 0.3s ease;
}

.logos-grid img:hover {
  filter: grayscale(0%);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.testimonial-card {
  background: #fff;
  padding: 40px 30px;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0,0,0,0.05);
  text-align: center;
  position: relative;
}

.testimonial-card p {
  font-style: italic;
  color: #555;
  margin-bottom: 20px;
  font-size: 1.05rem;
}

.testimonial-card h4 {
  color: #1a2b4c;
  font-size: 1.1rem;
}

/* ==========================================
   İLETİŞİM SAYFASI
========================================== */
.contact-wrapper {
  display: flex;
  flex-wrap: wrap;
  gap: 50px;
}

.contact-info, .contact-form {
  flex: 1;
  min-width: 300px;
  background: #fff;
  padding: 40px;
  border-radius: 10px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
}

.contact-info h3, .contact-form h3 {
  color: #1a2b4c;
  font-size: 1.5rem;
  border-bottom: 2px solid #f0f0f0;
  padding-bottom: 10px;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 15px;
  margin-bottom: 25px;
}

.contact-item i {
  color: #d4b04c;
  font-size: 24px;
  margin-top: 5px;
}

.contact-item p {
  font-size: 1.1rem;
  color: #444;
}

.form-group input, 
.form-group textarea {
  width: 100%;
  padding: 15px;
  margin-bottom: 20px;
  border: 1px solid #ddd;
  border-radius: 5px;
  font-size: 1rem;
  transition: border-color 0.3s;
  background-color: #fafafa;
}

.form-group input:focus, 
.form-group textarea:focus {
  outline: none;
  border-color: #d4b04c;
  background-color: #fff;
}

.form-group button {
  background-color: #1a2b4c;
  color: #fff;
  padding: 15px 30px;
  border: none;
  border-radius: 5px;
  font-size: 1.1rem;
  font-weight: bold;
  width: 100%;
  transition: background-color 0.3s ease;
}

.form-group button:hover {
  background-color: #0f1a2e;
}

/* ==========================================
   FOOTER (ALT BİLGİ)
========================================== */
footer {
  background-color: #111;
  color: #fff;
  text-align: center;
  padding: 40px 20px 20px;
}

.footer-social {
  margin-bottom: 20px;
}

.footer-social a {
  display: inline-block;
  color: #fff;
  background-color: #333;
  width: 45px;
  height: 45px;
  line-height: 45px;
  border-radius: 50%;
  margin: 0 10px;
  font-size: 20px;
  transition: all 0.3s ease;
}

.footer-social a:hover {
  background-color: #d4b04c;
  transform: translateY(-3px);
}

.copy {
  border-top: 1px solid #333;
  padding-top: 20px;
  font-size: 0.9rem;
  color: #888;
}

/* ==========================================
   MOBİL UYUMLULUK (RESPONSİVE)
========================================== */
@media (max-width: 900px) {
  .header-container {
    flex-direction: column;
    text-align: center;
  }

  .logo {
    margin-bottom: 20px;
  }

  nav {
    flex-wrap: wrap;
    justify-content: center;
    gap: 15px;
  }

  nav a {
    margin-left: 0;
  }
}

@media (max-width: 768px) {
  .hero h1 {
    font-size: 2.2rem;
  }

  .page-header h2 {
    font-size: 2rem;
  }

  .contact-wrapper {
    flex-direction: column;
  }
}