/* Modern ve Temiz Renk Paleti */
:root {
    --primary-color: #0f4c81;    /* Kurumsal Klasik Mavi */
    --secondary-color: #1b75bc;  /* Canlı Açık Mavi */
    --dark-color: #1e293b;       /* Koyu Gri / Lacivert Tonu */
    --light-color: #f8fafc;      /* Arka Plan Açık Gri */
    --white: #ffffff;
    --accent-color: #38bdf8;     /* Parlak Mavi Detaylar */
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: var(--light-color);
    color: var(--dark-color);
    line-height: 1.6;
    padding-top: 80px; /* Navbar için boşluk */
}

/* Navigasyon Alanı */
header {
    background-color: var(--white);
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

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

.logo {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
}

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

.nav-links {
    display: flex;
    list-style: none;
    gap: 30px;
}

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

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

.cta-btn {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 10px 20px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 600;
    transition: background 0.3s, transform 0.2s;
}

.cta-btn:hover {
    background-color: var(--secondary-color);
    transform: translateY(-2px);
}

/* Mobil Menü Butonu (Hamburger Icon) */
.menu-toggle-btn {
    display: none;
    background: none;
    border: none;
    font-size: 28px;
    color: var(--primary-color);
    cursor: pointer;
}

/* --- Off-Canvas Mobil Menü --- */
.canvas-menu {
    position: fixed;
    top: 0;
    right: -300px; /* Başlangıçta ekranın dışında gizli */
    width: 300px;
    height: 100vh;
    background-color: var(--white);
    box-shadow: -5px 0 15px rgba(0,0,0,0.1);
    z-index: 2000;
    transition: right 0.4s ease;
    padding: 30px;
    display: flex;
    flex-direction: column;
}

/* Menü Açık Olduğunda Tetiklenecek Class */
.canvas-menu.active {
    right: 0;
}
/* --- Partnerler Alanı Tasarımı --- */
.partners-section {
    background-color: var(--white);
    padding: 60px 20px;
    border-top: 1px solid #e2e8f0;
    border-bottom: 1px solid #e2e8f0;
}

.partners-container {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.partners-title {
    font-size: 22px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 40px;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

/* Esnek Yan Yana Sıralama */
.partners-grid {
    display: flex;
    justify-content: space-around;
    align-items: center;
    flex-wrap: wrap;
    gap: 30px;
}

.partner-item {
    max-width: 150px;
    height: auto;
    display: flex;
    align-items: center;
    justify-content: center;
}

.partner-item img {
    width: 100%;
    height: auto;
    object-fit: contain;
    /* Logoların varsayılan olarak hafif soluk/gri durması için */
    filter: grayscale(100%) opacity(0.6);
    transition: all 0.4s ease;
}

/* Mouse ile üzerine gelindiğinde orijinal renge dönme efekti */
.partner-item:hover img {
    filter: grayscale(0%) opacity(1);
    transform: scale(1.08); /* Hafif öne çıkma efekti */
}

/* Mobil Cihazlar İçin Ayar */
@media (max-width: 768px) {
    .partners-section {
        padding: 40px 15px;
    }
    
    .partners-title {
        font-size: 18px;
        margin-bottom: 25px;
    }
    
    .partners-grid {
        gap: 20px;
    }
    
    .partner-item {
        max-width: 110px; /* Mobilde logolar biraz daha küçülür */
    }
}
.canvas-close-btn {
    align-self: flex-end;
    background: none;
    border: none;
    font-size: 32px;
    color: var(--dark-color);
    cursor: pointer;
    margin-bottom: 40px;
}

.canvas-links {
    display: flex;
    flex-direction: column;
    list-style: none;
    gap: 25px;
    margin-bottom: 40px;
}

.canvas-links a {
    text-decoration: none;
    color: var(--dark-color);
    font-size: 20px;
    font-weight: 600;
    transition: color 0.3s;
}

.canvas-links a:hover {
    color: var(--secondary-color);
}

/* Ekranı Karartma Efekti (Overlay) */
.canvas-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1500;
    display: none;
    opacity: 0;
    transition: opacity 0.4s ease;
}

.canvas-overlay.active {
    display: block;
    opacity: 1;
}

/* --- Dinamik Slider Alanı --- */
.slider-container {
    position: relative;
    width: 100%;
    height: 70vh;
    overflow: hidden;
    background-color: #000;
}

.slider {
    display: flex;
    width: 300%; 
    height: 100%;
    transition: transform 0.5s ease-in-out;
}

.slide {
    width: 100.333%;
    height: 100%;
    position: relative;
    background-size: cover;
    background-position: center;
}

.slide::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(15, 76, 129, 0.85), rgba(27, 117, 188, 0.7));
}

.slide-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: var(--white);
    width: 80%;
    max-width: 800px;
    z-index: 10;
}

.slide-content h1 {
    font-size: 42px;
    margin-bottom: 20px;
    font-weight: 800;
}

.slide-content p {
    font-size: 18px;
    margin-bottom: 30px;
    opacity: 0.9;
}

.slider-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background-color: rgba(255, 255, 255, 0.2);
    color: var(--white);
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    font-size: 24px;
    cursor: pointer;
    z-index: 100;
    transition: background 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.prev-btn { left: 20px; }
.next-btn { right: 20px; }

/* Hizmetlerimiz Bölümü (Resimli) */
.section {
    padding: 80px 20px;
    max-width: 1200px;
    margin: 0 auto;
}

.section-title {
    text-align: center;
    font-size: 36px;
    margin-bottom: 50px;
    color: var(--primary-color);
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background-color: var(--secondary-color);
    margin: 10px auto 0;
    border-radius: 2px;
}

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

.service-card {
    background-color: var(--white);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    transition: transform 0.3s, box-shadow 0.3s;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(15, 76, 129, 0.15);
}

.service-img-container {
    width: 100%;
    height: 200px;
    overflow: hidden;
}

.service-img-container img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s;
}

.service-card:hover .service-img-container img {
    transform: scale(1.1);
}

.service-body {
    padding: 25px;
}

.service-body h3 {
    margin-bottom: 12px;
    font-size: 22px;
    color: var(--primary-color);
}

/* Bilgi / İstatistik Alanı */
.stats-bg {
    background-color: var(--primary-color);
    color: var(--white);
}

.stats-container {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    gap: 40px;
    padding: 60px 20px;
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.stat-item h2 {
    font-size: 42px;
    color: var(--accent-color);
}

/* İletişim Formu */
.contact-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 50px;
    background-color: var(--white);
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.02);
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
}

.form-group input, .form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #cbd5e1;
    border-radius: 5px;
    outline: none;
    transition: border 0.3s;
}

.form-group input:focus, .form-group textarea:focus {
    border-color: var(--secondary-color);
}

.submit-btn {
    background-color: var(--secondary-color);
    color: var(--white);
    border: none;
    padding: 12px 30px;
    border-radius: 5px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    width: 100%;
    transition: background 0.3s;
}

.submit-btn:hover {
    background-color: var(--primary-color);
}

/* Footer */
footer {
    background-color: var(--dark-color);
    color: #94a3b8;
    padding: 40px 20px;
    text-align: center;
    font-size: 14px;
}

/* --- Mobil Uyum Kuralları --- */
@media (max-width: 768px) {
    /* Masaüstü menü elemanlarını gizle */
    .nav-links, .navbar .cta-btn {
        display: none;
    }
    
    /* Hamburger menü butonunu göster */
    .menu-toggle-btn {
        display: block;
    }

    .slide-content h1 {
        font-size: 28px;
    }
    
    .slide-content p {
        font-size: 15px;
    }
    
    .contact-container {
        grid-template-columns: 1fr;
    }
    
    .slider-container {
        height: 50vh;
    }
}/* --- Gelişmiş Footer Tasarımı --- */
.site-footer {
    background-color: var(--dark-color); /* Mevcut koyu lacivert tonu */
    color: #94a3b8; /* Net okunan gri tonlu metin */
    padding: 70px 20px 20px 20px;
    margin-top: 50px;
    border-top: 4px solid var(--secondary-color); /* Üst kısma ince mavi şerit */
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2fr 1fr 1.5fr; /* Sola daha geniş alan */
    gap: 50px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(148, 163, 184, 0.1); /* Alt şeritten ayıran çizgi */
}

.footer-block h3 {
    color: var(--white);
    font-size: 18px;
    margin-bottom: 25px;
    position: relative;
}

/* Başlıkların altındaki modern çizgiler */
.footer-block h3::after {
    content: '';
    display: block;
    width: 40px;
    height: 3px;
    background-color: var(--secondary-color);
    margin-top: 8px;
    border-radius: 2px;
}

/* Sol Blok - Hakkımızda */
.footer-logo {
    font-size: 24px;
    font-weight: 700;
    color: var(--white);
    text-decoration: none;
    display: inline-block;
    margin-bottom: 15px;
}

.footer-logo span {
    color: var(--accent-color); /* Parlak mavi vurgu */
}

.about-block p {
    font-size: 14px;
    line-height: 1.7;
}

/* Orta ve Sağ Blok - Listeler */
.footer-block ul {
    list-style: none;
}

.footer-block ul li {
    margin-bottom: 12px;
    font-size: 14px;
}

.links-block ul li a {
    color: #94a3b8;
    text-decoration: none;
    transition: color 0.3s, padding-left 0.3s;
}

/* Hizmet linklerine gelince sağa kayma efekti */
.links-block ul li a:hover {
    color: var(--accent-color);
    padding-left: 5px;
}

.contact-block ul li strong {
    color: var(--white);
}

/* En Alt Kısım (Copyright) */
.footer-bottom {
    max-width: 1200px;
    margin: 0 auto;
    padding-top: 20px;
    text-align: center;
    font-size: 13px;
}

/* Mobil Cihazlar İçin Uyum */
@media (max-width: 768px) {
    .footer-container {
        grid-template-columns: 1fr; /* Mobilde tüm bloklar alt alta gelir */
        gap: 35px;
    }
    
    .footer-block h3 {
        margin-bottom: 15px;
    }
}