/* Genel Ayarlar ve Sıfırlamalar */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --primary-color: #0056b3; /* Koyu Mavi */
    --secondary-color: #007bff; /* Açık Mavi */
    --text-color: #333;
    --light-text-color: #666;
    --background-color: #f8f9fa;
    --white-color: #fff;
    --shadow-light: rgba(0, 0, 0, 0.1);
    --header-height: 100px;
    --header-height-scrolled: 50px;
    --transition-speed: 0.3s ease-in-out;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--background-color);
    overflow-x: hidden; /* Yatay kaydırmayı engelle */
}

a {
    text-decoration: none;
    color: var(--primary-color);
    transition: color var(--transition-speed);
}

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

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block; /* Gereksiz boşlukları engeller */
}

/* Kapsayıcılar */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 17px 20px;
}

/* Butonlar */
.btn-primary,
.btn-secondary {
    display: inline-block;
    padding: 12px 25px;
    border-radius: 5px;
    font-weight: 600;
    text-align: center;
    transition: background-color var(--transition-speed), color var(--transition-speed);
    white-space: nowrap; /* Metnin tek satırda kalmasını sağlar */
}

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

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

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

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

.read-more-btn {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    color: var(--primary-color);
    font-weight: 500;
    transition: color var(--transition-speed);
}

.read-more-btn:hover {
    color: var(--secondary-color);
}

.read-more-btn i {
    transition: transform var(--transition-speed);
}

.read-more-btn:hover i {
    transform: translateX(5px);
}

/* Başlıklar */
.section-title {
    font-family: 'Poppins', sans-serif;
    font-size: 2.5em;
    color: var(--primary-color);
    text-align: center;
    margin-bottom: 40px;
    position: relative;
    padding-bottom: 10px;
}

.section-title::after {
    content: '';
    position: absolute;
    left: 50%;
    bottom: 0;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background-color: var(--secondary-color);
    border-radius: 5px;
}

/* Header */
.main-header {
    width: 100%;
    height: var(--header-height);
    background-color: var(--primary-color);
    color: var(--white-color);
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1000;
    transition: height var(--transition-speed), background-color var(--transition-speed);
    box-shadow: 0 2px 10px var(--shadow-light);
    display: flex;
    align-items: center;
}

.main-header.scrolled {
    height: var(--header-height-scrolled);
    background-color: rgba(0, 86, 179, 0.5); /* %50 transparan */
}

.main-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    padding: 0 20px;
}

.logo {
    height: calc(var(--header-height) * 0.75); /* %80 oranında */
    width: calc(var(--header-height) * 65%); /* Kare olması için */
    transition: height var(--transition-speed), width var(--transition-speed);
    flex-shrink: 0; /* Küçülmemesi için */
}

.main-header.scrolled .logo {
    height: calc(var(--header-height-scrolled) * 0.75);
    width: calc(var(--header-height-scrolled) * 65%);
}

.logo img {
    height: 100%;
    width: 100%;
    object-fit: contain; /* Görselin tamamının görünmesini sağlar */
}

/* Nav Menü */
.nav-menu {
    display: flex;
    gap: 30px;
    align-items: center;
}

.nav-menu li {
    position: relative;
}

.nav-menu a {
    color: var(--white-color);
    font-weight: 600;
    padding: 10px 0;
    display: block;
    transition: color var(--transition-speed), opacity var(--transition-speed);
}

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

/* Aktif sayfa linki */
.nav-menu a.active {
    color: var(--white-color); /* Aktif linkin rengi */
    background-color: rgba(0, 0, 0, 0.2); /* Daha koyu ton */
    border-radius: 5px;
    padding: 10px 15px; /* Daha belirgin olması için */
}

/* Alt menü (Hizmetlerimiz) */
.nav-menu ul.submenu {
    display: none; /* Varsayılan olarak gizli */
    position: absolute;
    top: 100%; /* Ana menü öğesinin altına konumlandır */
    left: 0;
    background-color: var(--primary-color);
    min-width: 220px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    border-radius: 5px;
    padding: 10px 0;
    z-index: 1001;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: opacity var(--transition-speed), transform var(--transition-speed), visibility var(--transition-speed);
}

.nav-menu li:hover > ul.submenu {
    display: block;
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.nav-menu ul.submenu li {
    width: 100%;
}

.nav-menu ul.submenu a {
    padding: 10px 20px;
    font-weight: 400;
    white-space: nowrap; /* İçeriğin tek satırda kalmasını sağlar */
    display: flex;
    align-items: center;
    gap: 10px;
}

.nav-menu ul.submenu a:hover {
    background-color: rgba(0, 0, 0, 0.1);
    color: var(--secondary-color);
}

/* Hamburger Menü (Mobil) */
.hamburger-menu {
    display: none; /* Masaüstünde gizli */
    cursor: pointer;
    font-size: 28px;
    color: var(--white-color);
}

/* Mobil Menü Overlay */
.mobile-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    z-index: 999;
    display: flex;
    justify-content: center;
    align-items: center;
    transform: translateX(100%); /* Başlangıçta ekran dışında */
    transition: transform var(--transition-speed);
}

.mobile-menu-overlay.active {
    transform: translateX(0); /* Açıldığında ekrana gelir */
}

.mobile-menu {
    list-style: none;
    padding: 0;
    width: 80%;
    text-align: center;
}

.mobile-menu li {
    margin-bottom: 20px;
}

.mobile-menu a {
    color: var(--white-color);
    font-size: 1.8em;
    font-weight: 600;
    padding: 10px 0;
    display: block;
    transition: color var(--transition-speed);
}

.mobile-menu a:hover {
    color: var(--secondary-color);
}

.mobile-menu .submenu-toggle {
    color: var(--white-color);
    font-size: 1.2em;
    cursor: pointer;
    margin-left: 10px;
    transition: transform var(--transition-speed);
}

.mobile-menu .submenu-toggle.rotated {
    transform: rotate(90deg);
}

.mobile-menu .submenu {
    display: none; /* Mobil alt menü varsayılan olarak gizli */
    list-style: none;
    padding-left: 20px;
    text-align: left;
    margin-top: 10px;
}

.mobile-menu .submenu.active {
    display: block;
}

.mobile-menu .submenu li {
    margin: 10px 0;
}

.mobile-menu .submenu a {
    font-size: 1.3em;
    padding: 5px 0;
}

.close-menu-btn {
    position: absolute;
    top: 30px;
    right: 30px;
    color: var(--white-color);
    font-size: 35px;
    cursor: pointer;
}

footer {
    background-color: #333;
    color: white;
    text-align: center;
    padding: 20px 0;
    margin-top: 40px;
    box-shadow: 0 -2px 5px rgba(0,0,0,0.2);
}

/* Kahraman (Hero) Slider */
.hero-slider {
    position: relative;
    width: 100%;
    height: 850px; /* Slider yüksekliği size bırakıldı, bu başlangıç değeri */
    overflow: hidden;
    margin-top: var(--header-height); /* Header altından başla */
}

.main-header.scrolled + .hero-slider {
    margin-top: var(--header-height-scrolled); /* Header küçülünce margin ayarı */
}

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

.slide {
    min-width: 100%;
    height: 100%;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center; /* İçeriği merkeze hizala */
    color: var(--white-color);
    text-align: center;
    overflow: hidden;
}

.slide img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: brightness(60%); /* Görseli koyulaştır */
    z-index: 1;
}

.slide-content {
    position: relative;
    z-index: 2;
    padding: 20px;
    max-width: 800px;
}

.slide-content h1 {
    font-size: 3.5em;
    margin-bottom: 15px;
    font-weight: 700;
    text-shadow: 2px 2px 5px rgba(0,0,0,0.5);
}

.slide-content p {
    font-size: 1.5em;
    margin-bottom: 30px;
    text-shadow: 1px 1px 3px rgba(0,0,0,0.5);
}

.slider-prev,
.slider-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background-color: rgba(0, 0, 0, 0.5);
    color: var(--white-color);
    border: none;
    padding: 15px;
    cursor: pointer;
    font-size: 1.5em;
    z-index: 10;
    border-radius: 50%;
    transition: background-color var(--transition-speed);
}

.slider-prev:hover,
.slider-next:hover {
    background-color: rgba(0, 0, 0, 0.7);
}

.slider-prev {
    left: 20px;
}

.slider-next {
    right: 20px;
}

/* Breadcrumb */
.breadcrumb {
    background-color: var(--background-color);
    padding: 85px 0px 0px;
    font-size: 0.9em;
    border-bottom: 1px solid #ddd;
}

.breadcrumb .container {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
}

.breadcrumb a {
    color: var(--light-text-color);
}

.breadcrumb span {
    color: var(--text-color);
    font-weight: 600;
}

.breadcrumb .separator {
    margin: 0 8px;
    color: var(--light-text-color);
}

/* Genel Bölüm Stilleri */
section {
    padding: 2px 0px;
    margin-bottom: 10px;
}

.section-cta {
    background-color: var(--primary-color);
    color: var(--white-color);
    text-align: center;
    padding: 60px 0;
}

.section-cta h2 {
    font-size: 2.5em;
    margin-bottom: 15px;
}

.section-cta p {
    font-size: 1.2em;
    margin-bottom: 30px;
}

.section-cta .btn-secondary {
    border-color: var(--white-color);
    color: var(--white-color);
}

.section-cta .btn-secondary:hover {
    background-color: var(--white-color);
    color: var(--primary-color);
}

/* Üçlü İçerik Alanı */
.content-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    margin-top: 40px;
}

.content-item {
    background-color: var(--white-color);
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 4px 15px var(--shadow-light);
    text-align: center;
    transition: transform var(--transition-speed), box-shadow var(--transition-speed);
}

.content-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.content-item img {
    margin: 0 auto 20px;
    width: 80px;
    height: 80px;
}

.content-item h3 {
    font-size: 1.5em;
    margin-bottom: 15px;
    color: var(--primary-color);
}

.content-item h3 a {
    color: var(--primary-color);
}

.content-item h3 a:hover {
    color: var(--secondary-color);
}

.content-item p {
    color: var(--light-text-color);
}

/* Şehir Izgarası (City Grid) */
/* Varsayılan masaüstü ayarı - herhangi bir medya sorgusunun dışında */
#city-grid-container { /* ID'yi hedefliyoruz */
    display: grid;
    gap: 20px; /* Kartlar arası boşluk */
    grid-template-columns: repeat(5, 1fr); /* Masaüstü için 5 kolon */
}

.city-card {
    background-color: white;
    border: 1px solid #ddd;
    border-radius: 8px;
    padding: 15px;
    text-align: center;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.city-card img {
    max-width: 100%;
    height: 120px; /* Görsel yüksekliğini sabitle */
    object-fit: cover; /* Görselin kutuya sığmasını sağla */
    border-radius: 4px;
    margin-bottom: 10px;
}

.city-card h3 {
    margin-top: 0;
    color: #0056b3;
    font-size: 1.2em;
}

.city-card p {
    font-size: 0.9em;
    line-height: 1.5;
    flex-grow: 1; /* Açıklama kısmının esnemesini sağlar */
}

.city-card .buttons {
    margin-top: 15px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.city-card .whatsapp-button {
    background-color: #25D366; /* WhatsApp yeşili */
    color: white;
    padding: 10px 15px;
    border-radius: 5px;
    text-decoration: none;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    transition: background-color 0.3s ease;
}

.city-card .whatsapp-button:hover {
    background-color: #1DA851;
}

.city-card .whatsapp-button img {
    width: 25px;
    height: 25px;
    margin-right: 8px;
    vertical-align: middle;
    margin-bottom: 0; /* Buton içindeki görselin marginini sıfırla */
}

.city-card .city-page-button {
    background-color: #007bff; /* Mavi tonu */
    color: white;
    padding: 10px 15px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: bold;
    transition: background-color 0.3s ease;
}

.city-card .city-page-button:hover {
    background-color: #0056b3;
}

/* Blog Önizleme */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.blog-post-card {
    background-color: var(--white-color);
    border-radius: 10px;
    box-shadow: 0 4px 15px var(--shadow-light);
    overflow: hidden;
    transition: transform var(--transition-speed), box-shadow var(--transition-speed);
}

.blog-post-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

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

.blog-post-card h3 {
    font-size: 1.3em;
    margin: 15px 15px 10px;
    color: var(--primary-color);
}

.blog-post-card h3 a {
    color: var(--primary-color);
}

.blog-post-card h3 a:hover {
    color: var(--secondary-color);
}

.blog-post-card p {
    font-size: 0.9em;
    color: var(--light-text-color);
    padding: 0 15px 15px;
}

.blog-post-card .read-more-btn {
    margin: 0 15px 15px;
    display: inline-flex; /* Devamını Oku butonu için */
}

/* Anasayfa Carousel */
.section-carousel {
    background-color: var(--background-color);
    padding: 60px 0;
}

.carousel-container {
    position: relative;
    overflow: hidden;
    margin-top: 40px;
}

.carousel-track {
    display: flex;
    transition: transform 0.5s ease-in-out;
    padding: 10px 0; /* Gölge için boşluk */
}

.carousel-item {
    flex-shrink: 0;
    width: 200px; /* Her bir öğenin genişliği */
    height: 200px; /* Kare olması için */
    margin-right: 20px;
    background-color: var(--white-color);
    border-radius: 10px;
    box-shadow: 0 4px 15px var(--shadow-light);
    overflow: hidden;
    position: relative;
    text-align: center;
    transition: transform var(--transition-speed), box-shadow var(--transition-speed);
}

.carousel-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.carousel-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: brightness(0.8); /* Resmi hafif koyulaştır */
    transition: filter var(--transition-speed);
}

.carousel-item:hover img {
    filter: brightness(0.6); /* Üzerine gelince daha da koyulaştır */
}

.carousel-item span {
    position: absolute;
    bottom: 10px;
    left: 0;
    width: 100%;
    color: var(--white-color);
    font-weight: 600;
    font-size: 1.1em;
    text-shadow: 1px 1px 3px rgba(0,0,0,0.7);
    z-index: 2;
}

.carousel-prev,
.carousel-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background-color: rgba(0, 0, 0, 0.5);
    color: var(--white-color);
    border: none;
    padding: 10px;
    cursor: pointer;
    font-size: 1.2em;
    z-index: 10;
    border-radius: 50%;
    transition: background-color var(--transition-speed);
}

.carousel-prev:hover,
.carousel-next:hover {
    background-color: rgba(0, 0, 0, 0.7);
}

.carousel-prev {
    left: -20px; /* Kapsayıcının dışına çıkar */
}

.carousel-next {
    right: -20px; /* Kapsayıcının dışına çıkar */
}

/* Footer */
.main-footer {
    background-color: var(--primary-color);
    color: var(--white-color);
    padding: 40px 0;
    font-size: 0.9em;
    box-shadow: 0 -2px 10px var(--shadow-light);
}

.main-footer .container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.footer-column h4 {
    font-size: 1.2em;
    margin-bottom: 20px;
    color: var(--secondary-color);
    position: relative;
    padding-bottom: 5px;
}

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

.footer-column ul {
    list-style: none;
    padding: 0;
}

.footer-column ul li {
    margin-bottom: 10px;
}

.footer-column ul li a {
    color: var(--white-color);
    transition: color var(--transition-speed);
}

.footer-column ul li a:hover {
    color: var(--secondary-color);
}

.footer-column p {
    margin-bottom: 10px;
}

.social-links {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

.social-links a {
    color: var(--white-color);
    font-size: 1.5em;
    transition: color var(--transition-speed);
}

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

/* Telif Hakkı (Footer'ın Altında) */
.copyright {
    background-color: #004494; /* Biraz daha koyu ton */
    color: rgba(255, 255, 255, 0.8);
    text-align: center;
    padding: 15px 0;
    font-size: 0.85em;
}

/* WhatsApp ve Yukarı Kaydır Butonları */
.fixed-buttons {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 900;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.fixed-button {
    background-color: #25d366; /* WhatsApp yeşili */
    color: var(--white-color);
    width: 55px;
    height: 55px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.8em;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
    transition: background-color var(--transition-speed), transform var(--transition-speed);
}

.fixed-button:hover {
    background-color: #128C7E;
    transform: translateY(-3px);
}

#scrollUpBtn {
    background-color: var(--primary-color);
    display: none; /* Varsayılan olarak gizli */
}

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

/* Mobil Uyumluluk - Media Queries */

/* 1200px altı için 4 kolon */
@media (max-width: 1199px) {
    #city-grid-container {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* 992px altı için 3 kolon */
@media (max-width: 991px) {
    #city-grid-container {
        grid-template-columns: repeat(3, 1fr);
    }
    .nav-menu {
        display: none; /* Menüyü gizle */
    }

    .hamburger-menu {
        display: block; /* Hamburger menüyü göster */
    }

    .hero-slider {
        height: 500px; /* Mobil için slider yüksekliğini ayarla */
    }

    .slide-content h1 {
        font-size: 2.5em;
    }

    .slide-content p {
        font-size: 1.2em;
    }

    .content-grid, .blog-grid, .main-footer .container {
        grid-template-columns: 1fr; /* Tek sütuna düşür */
    }

    .section-title {
        font-size: 2em;
    }

    .carousel-item {
        width: 150px;
        height: 150px;
    }

    .carousel-prev,
    .carousel-next {
        left: 0px;
        right: 0px;
    }
}

/* 768px altı için 2 kolon */
@media (max-width: 767px) {
    #city-grid-container {
        grid-template-columns: repeat(2, 1fr);
    }

    .hero-slider {
        height: 400px;
    }

    .slide-content h1 {
        font-size: 2em;
    }

    .slide-content p {
        font-size: 1em;
    }

    .section {
        padding: 60px 0;
    }

    .section-title {
        font-size: 1.8em;
    }
}

/* 576px altı için tek kolon */
@media (max-width: 575px) {
    #city-grid-container {
        grid-template-columns: 1fr; /* Mobil görünümde tek kolon */
    }
    .container {
        padding: 0 15px;
    }

    .hero-slider {
        height: 300px;
        margin-top: var(--header-height-scrolled); /* Mobil küçük ekranda her zaman küçük header */
    }

    .main-header {
        height: var(--header-height-scrolled); /* Mobil başlangıçta da küçük */
        background-color: var(--primary-color); /* Mobil başlangıçta da tam renk */
    }

    .main-header.scrolled { /* Mobil de kaydırılınca transparan olabilir */
        background-color: rgba(0, 86, 179, 0.5);
    }

    .main-header .logo {
        height: calc(var(--header-height-scrolled) * 0.80);
        width: calc(var(--header-height-scrolled) * 65%);
    }

    .slide-content h1 {
        font-size: 1.8em;
    }

    .slide-content p {
        font-size: 0.9em;
    }

    .btn-primary, .btn-secondary {
        padding: 10px 20px;
        font-size: 0.9em;
    }

    .fixed-buttons {
        bottom: 15px;
        right: 15px;
    }

    .fixed-button {
        width: 50px;
        height: 50px;
        font-size: 1.5em;
    }
}