/* Marmara Tesisat - Ana Stil Dosyası */

:root {
  --primary-color: #0056b3;
  --secondary-color: #f8f9fa;
  --accent-color: #ffc107;
  --text-color: #333;
  --light-text: #fff;
  --dark-bg: #343a40;
  --border-color: #dee2e6;
  --success-color: #28a745;
  --font-family: 'Poppins', sans-serif;
}

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

body {
  font-family: var(--font-family);
  line-height: 1.6;
  color: var(--text-color);
  background-color: #f5f5f5;
}

/* Header Styles */
.header {
  background-color: var(--primary-color);
  color: var(--light-text);
  padding: 1rem 0;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.logo {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--light-text);
  text-decoration: none;
}

.logo span {
  color: var(--accent-color);
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 1rem;
}

.nav-menu {
  display: flex;
  list-style: none;
}

.nav-item {
  margin-left: 2rem;
}

.nav-link {
  color: var(--light-text);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s;
}

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

.hamburger {
  display: none;
  cursor: pointer;
}

.bar {
  display: block;
  width: 25px;
  height: 3px;
  margin: 5px auto;
  transition: all 0.3s ease-in-out;
  background-color: var(--light-text);
}

/* Hero Section */
.hero {
  background: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.6)), url('../img/hero-bg.jpg');
  background-size: cover;
  background-position: center;
  height: 80vh;
  display: flex;
  align-items: center;
  text-align: center;
  color: var(--light-text);
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 1rem;
}

.hero-title {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.hero-subtitle {
  font-size: 1.5rem;
  margin-bottom: 2rem;
}

.btn {
  display: inline-block;
  padding: 0.8rem 1.5rem;
  border-radius: 5px;
  text-decoration: none;
  font-weight: 500;
  transition: all 0.3s;
  cursor: pointer;
}

.btn-primary {
  background-color: var(--primary-color);
  color: var(--light-text);
  border: 2px solid var(--primary-color);
}

.btn-primary:hover {
  background-color: transparent;
  color: var(--light-text);
}

.btn-secondary {
  background-color: var(--accent-color);
  color: var(--text-color);
  border: 2px solid var(--accent-color);
  margin-left: 1rem;
}

.btn-secondary:hover {
  background-color: transparent;
  color: var(--accent-color);
}

/* Services Section */
.services {
  padding: 5rem 0;
  background-color: var(--secondary-color);
}

.section-title {
  text-align: center;
  margin-bottom: 3rem;
  font-size: 2.5rem;
  color: var(--primary-color);
}

.section-subtitle {
  text-align: center;
  margin-bottom: 3rem;
  font-size: 1.2rem;
  color: var(--text-color);
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.services-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

.service-card {
  background-color: var(--light-text);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s;
}

.service-card:hover {
  transform: translateY(-10px);
}

.service-img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.service-content {
  padding: 1.5rem;
}

.service-title {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: var(--primary-color);
}

.service-description {
  margin-bottom: 1.5rem;
}

/* About Section */
.about {
  padding: 5rem 0;
}

.about-container {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 3rem;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

.about-img {
  width: 100%;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.about-content h2 {
  font-size: 2.5rem;
  margin-bottom: 1.5rem;
  color: var(--primary-color);
}

.about-text {
  margin-bottom: 1.5rem;
}

.about-features {
  list-style: none;
  margin-bottom: 2rem;
}

.about-feature {
  margin-bottom: 0.8rem;
  display: flex;
  align-items: center;
}

.about-feature i {
  color: var(--success-color);
  margin-right: 0.5rem;
}

/* Contact Section */
.contact {
  padding: 5rem 0;
  background-color: var(--secondary-color);
}

.contact-container {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 3rem;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

.contact-info {
  
  color: var(--light-text);
  padding: 2rem;
  border-radius: 10px;
}

.contact-info h3 {
  font-size: 1.8rem;
  margin-bottom: 1.5rem;
}

.contact-detail {
  display: flex;
  align-items: flex-start;
  margin-bottom: 1.5rem;
}

.contact-detail i {
  margin-right: 1rem;
  font-size: 1.2rem;
}

.contact-form {
  background-color: var(--light-text);
  padding: 2rem;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-control {
  width: 100%;
  padding: 0.8rem;
  border: 1px solid var(--border-color);
  border-radius: 5px;
  font-family: var(--font-family);
}

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

/* Footer */
.footer {
  background-color: var(--dark-bg);
  color: var(--light-text);
  padding: 3rem 0 1rem;
}

.footer-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

.footer-col h4 {
  font-size: 1.2rem;
  margin-bottom: 1.5rem;
  position: relative;
}

.footer-col h4::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -10px;
  width: 50px;
  height: 2px;
  background-color: var(--accent-color);
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 0.8rem;
}

.footer-links a {
  color: #ccc;
  text-decoration: none;
  transition: color 0.3s;
}

.footer-links a:hover {
  color: var(--accent-color);
  padding-left: 5px;
}

.social-links {
  display: flex;
  margin-top: 1rem;
}

.social-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.1);
  margin-right: 0.8rem;
  color: var(--light-text);
  transition: all 0.3s;
}

.social-links a:hover {
  background-color: var(--primary-color);
  transform: translateY(-5px);
}

.copyright {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  margin-top: 2rem;
}

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

@media (max-width: 768px) {
  .hamburger {
    display: block;
  }
  
  .hamburger.active .bar:nth-child(2) {
    opacity: 0;
  }
  
  .hamburger.active .bar:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
  }
  
  .hamburger.active .bar:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
  }
  
  .nav-menu {
    position: fixed;
    left: -100%;
    top: 70px;
    gap: 0;
    flex-direction: column;
    background-color: var(--primary-color);
    width: 100%;
    text-align: center;
    transition: 0.3s;
    box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
  }
  
  .nav-item {
    margin: 1rem 0;
  }
  
  .nav-menu.active {
    left: 0;
  }
  
  .hero-title {
    font-size: 2.5rem;
  }
  
  .hero-subtitle {
    font-size: 1.2rem;
  }
  
  .btn-secondary {
    margin-left: 0;
    margin-top: 1rem;
  }
}

@media (max-width: 576px) {
  .hero {
    height: 70vh;
  }
  
  .hero-title {
    font-size: 2rem;
  }
  
  .section-title {
    font-size: 2rem;
  }
  
  .service-card {
    margin-bottom: 1.5rem;
  }
}

/* Utility Classes */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

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

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mt-5 { margin-top: 2.5rem; }

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }
.mb-5 { margin-bottom: 2.5rem; }