/* Temel Sıfırlama ve Font Ayarları */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Poppins', sans-serif; /* Modern Font */
    line-height: 1.6;
    color: #333; /* Koyu gri, iyi okunabilirlik */
    background-color: #f4f4f4; /* Açık arka plan */
}

/* Kapsayıcı (Merkezleme) */
.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px 0;
}

/* Renk Paleti (Değiştirilebilir) */
:root {
    --primary-color: #004c8f;    /* Kurumsal Mavi */
    --accent-color: #ff6a00;     /* Vurgu Turuncusu (CTA) */
    --light-bg: #ffffff;
    --dark-text: #222;
}

/* --- Genel Buton Stilleri (CTA) --- */
.cta-button {
    display: inline-block;
    padding: 10px 20px;
    text-decoration: none;
    font-weight: 600;
    border-radius: 5px;
    transition: background-color 0.3s ease;
    border: none;
    cursor: pointer;
}

.primary-cta {
    background-color: var(--accent-color);
    color: var(--light-bg);
}

.primary-cta:hover {
    background-color: #e05c00; /* Koyu ton */
}

/* --- Header Stili --- */
.header {
    background-color: var(--light-bg);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    position: sticky; /* Menünün sabit kalması için */
    top: 0;
    z-index: 1000;
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
}

.logo a {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
}

.nav ul {
    list-style: none;
    display: flex;
}

.nav ul li a {
    text-decoration: none;
    color: var(--dark-text);
    padding: 10px 15px;
    transition: color 0.3s;
}

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

/* --- Hero Section Stili --- */
.hero-section {
    background: var(--primary-color); /* Mavi arka plan */
    color: var(--light-bg);
    padding: 80px 0;
    text-align: center;
    /* İsteğe bağlı: Arka plan görseli eklenebilir */
    /* background: url('hero-bg.jpg') no-repeat center center/cover; */
}

.hero-section h1 {
    font-size: 2.5rem;
    margin-bottom: 15px;
    font-weight: 700;
}

.hero-section p {
    font-size: 1.1rem;
    margin-bottom: 30px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* --- Hizmetler Bölümü Stili --- */
.services-section, .trust-section, .contact-section {
    padding: 60px 0;
    text-align: center;
}

.services-section h2, .trust-section h2, .contact-section h2 {
    font-size: 2rem;
    margin-bottom: 40px;
    color: var(--primary-color);
}

.service-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); /* Mobil uyumlu ızgara */
    gap: 30px;
}

.card {
    background-color: var(--light-bg);
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08); /* Hafif gölge */
    transition: transform 0.3s;
    text-align: left;
}

.card:hover {
    transform: translateY(-5px); /* Hafif yukarı kayma efekti */
}

.card i {
    font-size: 2.5rem;
    color: var(--accent-color);
    margin-bottom: 15px;
    display: block;
}

.card h3 {
    font-size: 1.25rem;
    margin-bottom: 10px;
    color: var(--dark-text);
}

/* --- Güven Bölümü (Neden Biz) Stili --- */
.trust-section {
    background-color: #e9eff4; /* Açık mavi ton */
}

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

.feature {
    background-color: var(--light-bg);
    padding: 25px;
    border-radius: 8px;
    border-left: 5px solid var(--primary-color);
    text-align: left;
}

.feature h3 {
    color: var(--primary-color);
    margin-bottom: 5px;
}

/* --- İletişim Formu Stili --- */
.contact-section {
    background-color: var(--light-bg);
}

.form-container {
    max-width: 600px;
}

.contact-section form input, 
.contact-section form textarea {
    width: 100%;
    padding: 15px;
    margin-bottom: 20px;
    border: 1px solid #ccc;
    border-radius: 5px;
    font-size: 1rem;
    font-family: 'Poppins', sans-serif;
}

.contact-section form textarea {
    resize: vertical;
    min-height: 120px;
}

/* --- Footer Stili --- */
.footer {
    background-color: var(--primary-color);
    color: var(--light-bg);
    padding: 20px 0;
    font-size: 0.9rem;
}

.footer .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer a {
    color: var(--light-bg);
    text-decoration: none;
    margin-left: 15px;
    opacity: 0.8;
}

.footer a:hover {
    opacity: 1;
}


/* --- MOBİL UYUMLULUK (Responsive) Ayarları --- */
@media (max-width: 768px) {
    /* Header düzenlemesi */
    .header .container {
        flex-direction: column;
        text-align: center;
    }
    .logo {
        margin-bottom: 10px;
    }
    .nav ul {
        flex-direction: column;
        padding: 10px 0;
    }
    .nav ul li {
        margin: 5px 0;
    }
    .call-button {
        margin-top: 10px;
    }

    /* Hero düzenlemesi */
    .hero-section {
        padding: 50px 0;
    }
    .hero-section h1 {
        font-size: 2rem;
    }
    
    /* Genel bölüm düzenlemesi */
    .services-section, .trust-section, .contact-section {
        padding: 40px 0;
    }

    /* Footer düzenlemesi */
    .footer .container {
        flex-direction: column;
        text-align: center;
    }
    .footer p {
        margin-bottom: 10px;
    }
    .footer a {
        margin: 0 8px;
    }
    
}