:root {
    --primary-color: #1e40af;
    --secondary-color: #1e40af;
    --text-color: #1f2937;
    --light-bg: #f3f4f6;
    --white: #ffffff;
}

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

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

header {
    background-color: var(--white);
    padding: 1rem;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

.nav-container {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.logo {
    color: var(--primary-color);
    font-size: 2.3rem;
    font-weight: bold;
    display: flex;
    align-items: center;
    gap: 0.9rem;
    text-transform: uppercase;
}

.logo i {
    font-size: 1.8rem;
}

.logo span {
    white-space: nowrap;
}

@media (max-width: 768px) {
  .logo {
    white-space: nowrap;
    overflow-x: auto;
  }
  .logo span {
    font-size: 1.1rem;
  }
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-links a {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.nav-links a:hover, .nav-links a.active {
    color: var(--primary-color);
    background-color: rgba(37, 99, 235, 0.1);
}

/* Dil seçici stilleri */
.language-selector,
.current-lang,
.lang-dropdown {
    display: none;
}

/* Ana içerik stilleri */
main {
    margin-top: 70px;
}

.hero {
    background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url('https://images.unsplash.com/photo-1581091226825-a6a2a5aee158');
    background-size: cover;
    background-position: center;
    color: var(--white);
    text-align: center;
    padding: 8rem 2rem;
}

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

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
}

.cta-button {
    display: inline-block;
    padding: 1rem 2rem;
    background-color: var(--primary-color);
    color: var(--white);
    text-decoration: none;
    border-radius: 5px;
    font-weight: 600;
    transition: background-color 0.3s ease;
}

.cta-button:hover {
    background-color: var(--secondary-color);
}

/* Hizmetler bölümü */
.services {
    padding: 5rem 2rem;
    background-color: var(--light-bg);
}

.services h2, .about h2, .contact h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--text-color);
}

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

.service-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
    transition: transform 0.3s ease;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

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

.service-card i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* Hakkımızda bölümü */
.about {
    padding: 5rem 2rem;
}

.about-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

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

.about-features li {
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.about-features i {
    color: var(--primary-color);
}

.about-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

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

.stat-number {
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--primary-color);
    display: block;
}

/* İletişim bölümü */
.contact {
    padding: 5rem 2rem;
    background-color: var(--light-bg);
}

.contact-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 4rem;
}

.contact-info {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    text-align: left;
}

@media (max-width: 768px) {
  .contact-info {
    align-items: center;
    text-align: center;
  }
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    align-items: flex-start;
}

@media (max-width: 768px) {
  .contact-details {
    align-items: center;
  }
}

.contact-info h3 {
    margin-bottom: 2rem;
    color: var(--primary-color);
}

.info-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.info-item i {
    color: var(--primary-color);
    margin-top: 0.3rem;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.address {
    margin-bottom: 1rem;
}

.address h4 {
    color: var(--primary-color);
    font-size: 0.9rem;
    margin-bottom: 0.2rem;
}

.contact-form {
    display: grid;
    gap: 1rem;
    background: var(--white);
    padding: 2rem;
    border-radius: 10px;
}

input, textarea {
    padding: 1rem;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 1rem;
}

textarea {
    height: 150px;
}

button {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 1rem;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    transition: background-color 0.3s ease;
}

button:hover {
    background-color: var(--secondary-color);
}

/* Footer */
footer {
    background-color: var(--text-color);
    color: var(--white);
    padding: 4rem 2rem 1rem;
}

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

.footer-section h4 {
    margin-bottom: 1rem;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: var(--white);
    text-decoration: none;
}

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

/* Responsive tasarım */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .about-content, .contact-container {
        grid-template-columns: 1fr;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .nav-container {
        gap: 1rem;
    }
}

@media (max-width: 992px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 576px) {
    .services-grid {
        grid-template-columns: 1fr;
    }
}