/* Genel Stil Sıfırlamaları */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --primary-color: #007bff; /* Ana Mavi */
    --secondary-color: #333; /* Koyu Gri / Siyah Tonu */
    --background-light: #f4f4f4; /* Açık Gri/Beyaz Arkaplan */
    --text-color-dark: #222; /* Koyu Metin */
    --text-color-light: #ffffff; /* Açık Metin */
}

body {
    font-family: 'Roboto', sans-serif;
    line-height: 1.6;
    background-color: var(--background-light);
    color: var(--text-color-dark);
}

/* Header ve Navigasyon */
.header {
    background: var(--secondary-color);
    color: var(--text-color-light);
    padding: 1rem 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky; /* Sabit Menü */
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
}

.logo {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-color); /* Logoda Vurgu Mavi */
}

.navbar a {
    color: var(--text-color-light);
    text-decoration: none;
    margin-left: 25px;
    font-size: 1rem;
    transition: color 0.3s ease;
}

.navbar a:hover {
    color: var(--primary-color);
}

/* Hero Bölümü (Ana Sayfa Giriş) */
.hero {
    background: url('placeholder-background.jpg') no-repeat center center/cover; /* Arkaplan resmi ekleyebilirsiniz */
    background-color: #222; /* Yedek koyu arkaplan */
    color: var(--text-color-light);
    height: 70vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.hero-content {
    padding: 0 5%;
}

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

.hero p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
}

/* CTA Butonları */
.cta-button {
    display: inline-block;
    background: var(--primary-color);
    color: var(--text-color-light);
    padding: 10px 25px;
    text-decoration: none;
    border-radius: 5px;
    font-weight: 700;
    transition: background-color 0.3s ease, transform 0.2s ease;
    border: none;
    cursor: pointer;
}

.cta-button:hover {
    background-color: #0056b3; /* Koyu Mavi */
    transform: translateY(-2px);
}

/* İçerik Bölümleri */
.content-section {
    padding: 60px 5%;
    text-align: center;
}

.content-section h2 {
    font-size: 2.5rem;
    margin-bottom: 30px;
    color: var(--primary-color);
}

/* Hizmet Kartları */
.service-cards {
    display: flex;
    justify-content: space-around;
    gap: 30px;
    margin-top: 40px;
}

.card {
    background: var(--text-color-light);
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    flex: 1;
    min-width: 280px;
    transition: transform 0.3s ease;
    border-top: 3px solid var(--primary-color);
}

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

.card h3 {
    color: var(--secondary-color);
    margin-bottom: 15px;
}

/* İletişim Formu */
.contact-form {
    padding: 60px 5%;
    background-color: var(--secondary-color);
    color: var(--text-color-light);
    text-align: center;
}

.contact-form h2 {
    color: var(--text-color-light);
    margin-bottom: 30px;
}

.contact-form form {
    max-width: 600px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.contact-form input[type="text"],
.contact-form input[type="email"],
.contact-form textarea {
    padding: 15px;
    border: 1px solid #555;
    border-radius: 5px;
    background-color: #444;
    color: var(--text-color-light);
    font-size: 1rem;
}

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

/* Footer */
.footer {
    background: #111;
    color: #bbb;
    text-align: center;
    padding: 20px 5%;
    font-size: 0.9rem;
}

/* Medya Sorguları (Responsive Tasarım) */
@media (max-width: 768px) {
    .header {
        flex-direction: column;
        text-align: center;
        padding: 1rem 5%;
    }
    .navbar {
        margin-top: 10px;
    }
    .navbar a {
        margin: 0 10px;
        display: block;
        padding: 5px 0;
    }
    .hero h1 {
        font-size: 2.5rem;
    }
    .hero p {
        font-size: 1rem;
    }
    .service-cards {
        flex-direction: column;
    }
    .card {
        margin-bottom: 20px;
    }
}