/* Genel Ayarlar ve Reset */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8f8f8;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px 0;
}

/* Renk Paleti */
:root {
    --color-primary-red: #E74C3C; /* Kırmızı - Harekete Geçirme */
    --color-secondary-blue: #3498DB; /* Mavi - Güven */
    --color-dark: #2c3e50;
    --color-light: #ecf0f1;
}

/* Navigasyon ve Header */
header {
    /* Yeni arka plan görseli ve yükseltilmiş yükseklik */
    background: var(--color-dark) url('kombi-teknisyen.jpg') no-repeat center center/cover;
    color: white;
    padding: 0;
    position: relative;
    min-height: 550px; /* Daha fazla görsel alan sağlamak için */
}

header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(44, 62, 80, 0.75); /* Koyu Overlay (Metin okunurluğu için) */
    z-index: 1; 
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
    z-index: 10;
    padding: 10px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

/* Logo Stilleri */
.logo {
    /* Logonun çevresini saran konteyneri beyaz yapar */
    background-color: white; 
    padding: 10px 15px; /* Beyaz alana dolgu */
    border-radius: 0 0 5px 5px; /* Sadece alt köşeleri yuvarlar */
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2); 
    line-height: 1; 
    
    color: var(--color-dark); /* İçindeki metin rengi koyu olsun */
    font-size: 1.8rem;
    font-weight: 700;
}

.logo-img {
    height: 90px; /* Büyütülmüş logo yüksekliği */
    width: auto;
    display: block;
}

nav ul {
    list-style: none;
    display: flex;
    align-items: center;
}

nav ul li {
    margin-left: 20px;
}

nav ul li a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

nav ul li a:hover {
    color: var(--color-primary-red);
}

.tel-link a {
    background-color: var(--color-primary-red);
    padding: 8px 15px;
    border-radius: 5px;
    font-weight: 700;
}

/* Hero Content */
.hero-content {
    min-height: 500px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    text-align: left;
    position: relative;
    z-index: 2; /* Overlay'in üzerinde durması için */
    padding: 100px 0;
}

.hero-content h1 {
    font-size: 3rem;
    margin-bottom: 15px;
    line-height: 1.2;
}

.hero-content p {
    font-size: 1.25rem;
    margin-bottom: 30px;
}

/* CTA Butonları */
.btn {
    display: inline-block;
    padding: 12px 25px;
    margin-right: 15px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 700;
    transition: background-color 0.3s, transform 0.2s;
}

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

.btn-primary:hover {
    background-color: #c0392b;
    transform: translateY(-2px);
}

.btn-secondary {
    background-color: transparent;
    color: white;
    border: 2px solid white;
}

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

/* Bölüm Ortak Stilleri */
section {
    padding: 60px 0;
    text-align: center;
}

section h2 {
    font-size: 2rem;
    margin-bottom: 40px;
    color: var(--color-dark);
}

/* Hizmetler Bölümü */
.services {
    background-color: white;
}

.service-grid {
    /* 5 karta uygun grid ayarı */
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); 
    gap: 30px;
}

.service-card {
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s;
    background-color: var(--color-light);
    /* Kartların eşit yükseklikte olmasını sağlar */
    display: flex; 
    flex-direction: column;
    justify-content: space-between;
}

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

.service-card i {
    font-size: 3rem;
    margin-bottom: 15px;
}

.icon-red {
    color: var(--color-primary-red);
}
.icon-blue {
    color: var(--color-secondary-blue);
}

.service-card h3 {
    margin-bottom: 10px;
    color: var(--color-dark);
}

/* MARKALAR SECTION */
.brands {
    background-color: white; 
    border-top: 1px solid #ddd;
    border-bottom: 1px solid #ddd;
}

.brand-list-logos {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 30px; 
    margin: 40px auto;
    max-width: 900px;
}

.brand-logo-item {
    padding: 15px 20px;
    background-color: #fff;
    border: 1px solid var(--color-light);
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s, box-shadow 0.3s;
    height: 80px; 
    display: flex;
    align-items: center;
    justify-content: center;
}

.brand-logo-item:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.brand-logo-item img {
    max-height: 100%; 
    max-width: 120px; 
    width: auto;
    filter: grayscale(100%); 
    opacity: 0.6;
    transition: filter 0.3s, opacity 0.3s;
}

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

/* Neden Biz Bölümü */
.why-us {
    background-color: var(--color-secondary-blue);
    color: white;
}

.why-us h2 {
    color: white;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    margin-top: 30px;
}

.feature-card {
    background-color: rgba(255, 255, 255, 0.1);
    padding: 25px;
    border-radius: 8px;
}

.feature-card i {
    font-size: 2.5rem;
    color: var(--color-primary-red);
    margin-bottom: 15px;
}

.feature-card h4 {
    margin-bottom: 10px;
}

/* İletişim Bölümü */
.contact {
    background-color: white;
    text-align: center;
}

.contact h2 {
    margin-bottom: 20px;
}

.contact-details {
    display: flex;
    justify-content: space-around;
    gap: 20px;
    margin-bottom: 40px;
}

.contact-card {
    flex: 1;
    padding: 20px;
    border: 1px solid #ddd;
    border-radius: 8px;
    text-align: center;
    min-width: 200px;
}

.contact-card i {
    font-size: 2rem;
    color: var(--color-primary-red);
    margin-bottom: 10px;
}

.contact-card a {
    color: var(--color-dark);
    text-decoration: none;
    font-weight: 700;
    display: block;
}

/* Harita Stilini Ekleyelim */
.map-container {
    width: 100%;
    margin-top: 30px;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

/* Footer */
footer {
    background-color: var(--color-dark);
    color: white;
    padding: 20px 0;
    text-align: center;
    font-size: 0.9rem;
}

/* Responsive Düzenlemeler */
@media (max-width: 768px) {
    nav ul {
        display: none; 
    }

    .hero-content h1 {
        font-size: 2.5rem;
    }

    .cta-buttons {
        display: flex;