/* Variables */
:root {
    --primary: #2c3e50;
    --secondary: #3498db;
    --accent: #e74c3c;
    --light: #f8f9fa;
    --dark: #212529;
    --gray: #6c757d;
    --white: #ffffff;
    --shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

/* Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--dark);
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.text-center {
    text-align: center;
}

.btn {
    display: inline-block;
    background-color: var(--accent);
    color: var(--white);
    padding: 12px 30px;
    border-radius: 5px;
    font-weight: 600;
    transition: var(--transition);
    border: none;
    cursor: pointer;
}

.btn:hover {
    background-color: #c0392b;
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 2rem;
    color: var(--primary);
    position: relative;
    padding-bottom: 15px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 80px;
    height: 4px;
    background-color: var(--accent);
}

.bg-light {
    background-color: var(--light);
}

/* Header Styles */
.header {
    background-color: var(--primary);
    color: var(--white);
    padding: 20px 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow);
}

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

.logo {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--white);
}

.nav-list {
    display: flex;
}

.nav-link {
    padding: 10px 15px;
    font-weight: 500;
    transition: var(--transition);
    margin-left: 10px;
}

.nav-link:hover {
    color: var(--secondary);
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
}

.menu-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--white);
    margin: 5px 0;
    transition: var(--transition);
}

/* Hero Section */
.hero {
    background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.2)), 
              url('images/header-img.jpg');
    background-size: cover;
    background-position: center;
    color: var(--white);
    text-align: center;
    padding: 180px 0 120px;
}

.hero-logo {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 15px;
}

.hero-tagline {
    font-size: 1.2rem;
    font-weight: 300;
    letter-spacing: 2px;
    margin-bottom: 10px;
    text-transform: uppercase;
}

.hero-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 30px;
}

.hero-text {
    font-size: 1.2rem;
    max-width: 700px;
    margin: 0 auto 40px;
}

/* Services Section */
.services {
    padding: 80px 0;
}
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.service-card {
    background: var(--white);
    padding: 30px;
    border-radius: 10px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    text-align: center;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
}

.service-icon {
    font-size: 3rem;
    color: var(--secondary);
    margin-bottom: 20px;
}

.service-card h3 {
    margin-bottom: 15px;
    font-size: 1.5rem;
}

/* About Section */
.about {
    padding: 80px 0;
}

.about .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.about-image img {
    border-radius: 10px;
    box-shadow: var(--shadow);
}

.about-list li {
    margin-bottom: 10px;
    font-size: 1.1rem;
}

.about-list i {
    color: var(--secondary);
    margin-right: 10px;
}
.about .section-title {
  color: #000000 !important; /* Siyah renk */
}

/* Contact Section */
.contact {
    padding: 80px 0;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    margin-top: 40px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
}

.form-group textarea {
    min-height: 150px;
    resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--secondary);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.2);
}

.contact-info h3 {
    margin-bottom: 20px;
    color: var(--primary);
}

.info-list li {
    margin-bottom: 15px;
    display: flex;
    align-items: center;
}

.info-list i {
    width: 30px;
    color: var(--secondary);
    font-size: 1.2rem;
}

.map {
    margin-top: 30px;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

/* Footer */
.footer {
    background-color: var(--primary);
    color: var(--white);
    padding: 40px 0 20px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
}

.footer-about h3 {
    font-size: 1.8rem;
    margin-bottom: 10px;
}

.footer-social a {
    display: inline-block;
    font-size: 1.5rem;
    margin-left: 15px;
    transition: var(--transition);
}

.footer-social a:hover {
    color: var(--secondary);
    transform: translateY(-3px);
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* Responsive Styles */
@media (max-width: 992px) {
    .about .container,
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .about-image {
        order: -1;
    }
}

@media (max-width: 768px) {
    .menu-toggle {
        display: block;
    }
    
    .nav-list {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background-color: var(--primary);
        flex-direction: column;
        align-items: center;
        padding-top: 40px;
        transition: var(--transition);
    }
    
    .nav-list.active {
        left: 0;
    }
    
    .nav-link {
        margin: 15px 0;
        font-size: 1.2rem;
    }
    
    .hero {
        padding: 150px 0 80px;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
}

@media (max-width: 576px) {
    .hero-logo {
        font-size: 2rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-text {
        font-size: 1rem;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-social {
        margin-top: 20px;
    }
    
    .footer-social a {
        margin: 0 10px;
    }
}
/* Services Section - Dark Theme */
.services {
  padding: 80px 0;
  background-color: #0a0a0a; /* Koyu arkaplan */
}
.services .section-title{
    color: white !important;
}
.section-title {
  text-align: center;
  font-size: 2.5rem;
  margin-bottom: 60px;
  color: #ffffff; /* Beyaz yazı */
  position: relative;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -15px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background-color: #e74c3c; /* Kırmızı çizgi */
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 30px;
}

.service-card {
  position: relative;
  border-radius: 15px;
  overflow: hidden;
  height: 450px;
  transition: all 0.5s ease;
  border: 1px solid rgba(255, 255, 255, 0.1); /* Hafif çerçeve */
}

.card-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.5s ease;
}

.service-card:hover .card-image {
  transform: scale(1.05);
}

.glass-content {
  position: absolute;
  bottom: 20px;
  left: 20px;
  right: 20px;
  padding: 25px;
  background: rgba(0, 0, 0, 0.6); /* Daha koyu cam efekti */
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: white;
  transition: all 0.5s ease;
}

.service-card:hover .glass-content {
  background: rgba(0, 0, 0, 0.8); /* Hover'da daha koyu */
}

.card-icon {
  width: 50px;
  height: 50px;
  margin-bottom: 15px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  font-size: 1.3rem;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(5px);
  -webkit-backdrop-filter: blur(5px);
}

.glass-content h3 {
  font-size: 1.4rem;
  margin-bottom: 10px;
  font-weight: 600;
  letter-spacing: 0.5px;
}

.glass-content p {
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.6;
  font-size: 0.95rem;
}

/* Responsive Adjustments */
@media (max-width: 768px) {
  .services-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  
  .service-card {
    height: 380px;
  }
  
  .glass-content {
    bottom: 15px;
    left: 15px;
    right: 15px;
    padding: 20px;
  }
}
/* Referanslar Bölümü */
.references {
  padding: 80px 0;
  background-color: #f8f9fa;
}

.section-subtitle {
  text-align: center;
  color: #6c757d;
  margin-bottom: 50px;
  font-size: 1.2rem;
}
.section-title {
  text-align: center;
    color: #000000 !important;
  margin-bottom: 50px;
  font-size: 1.2rem;
}

.logo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 30px;
  align-items: center;
  justify-content: center;
}

.logo-item {
  background: white;
  padding: 20px;
  border-radius: 8px;
  box-shadow: 0 5px 15px rgba(0,0,0,0.05);
  transition: all 0.3s ease;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100px;
}

.logo-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 25px rgba(0,0,0,0.1);
}

.logo-item img {
  max-width: 100%;
  max-height: 60px;
  width: auto;
  height: auto;
  filter: grayscale(100%);
  opacity: 0.7;
  transition: all 0.3s ease;
}

.logo-item:hover img {
  filter: grayscale(0%);
  opacity: 1;
}

/* Responsive Ayarlar */
@media (max-width: 768px) {
  .logo-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
  }
  
  .logo-item {
    padding: 15px;
    height: 80px;
  }
}

@media (max-width: 480px) {
  .logo-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}