/* --- Genel Ayarlar ve Değişkenler --- */
:root {
    --primary-color: #0033a0; /* Kurumsal Lacivert */
    --accent-color: #007bff;  /* Canlı Mavi */
    --dark-text: #2c3e50;      /* Koyu Metin Rengi */
    --light-text: #ffffff;    /* Beyaz Metin */
    --background-color: #f4f7f6; /* Çok Açık Gri Arka Plan */
    --card-bg: #ffffff;       /* Kart Arka Planı */
}

body {
    font-family: 'Lato', sans-serif;
    margin: 0;
    padding: 0;
    background-color: var(--background-color);
    color: var(--dark-text);
    line-height: 1.6;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

h1, h2, h3 {
    font-weight: 700;
}

/* --- Giriş Bölümü --- */
.hero {
    background-color: var(--primary-color);
    color: var(--light-text);
    text-align: center;
    padding: 80px 20px;
    border-radius: 0 0 10px 10px;
}

.hero h1 {
    font-size: 3.5em;
    font-weight: 900;
    margin: 0;
    letter-spacing: 2px;
}

.hero .tagline {
    font-size: 1.5em;
    margin-top: 10px;
    opacity: 0.9;
}

/* --- Bölüm Başlıkları --- */
section {
    padding: 60px 0;
}

section h2 {
    text-align: center;
    font-size: 2.5em;
    margin-bottom: 50px;
    color: var(--primary-color);
}

/* --- Faydalar Bölümü --- */
.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.card {
    background-color: var(--card-bg);
    border-radius: 8px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.12);
}

.card i {
    font-size: 3em;
    color: var(--accent-color);
    margin-bottom: 20px;
}

.card h3 {
    font-size: 1.4em;
    margin-bottom: 15px;
}

/* --- İletişim Formu --- */
#contact {
    background-color: var(--card-bg);
    border-radius: 8px;
    padding: 40px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
}

.contact-intro {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 40px auto;
}

#contact-form {
    max-width: 700px;
    margin: 0 auto;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 700;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #ccc;
    border-radius: 5px;
    font-size: 1em;
    font-family: 'Lato', sans-serif;
}

.submit-btn {
    display: block;
    width: 100%;
    padding: 15px;
    background-color: var(--accent-color);
    color: var(--light-text);
    border: none;
    border-radius: 5px;
    font-size: 1.2em;
    font-weight: 700;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.submit-btn:hover {
    background-color: #0056b3; /* Hover Rengi */
}

#form-status {
    text-align: center;
    margin-top: 20px;
    font-size: 1.1em;
    font-weight: 700;
}

/* --- Footer --- */
footer {
    text-align: center;
    padding: 40px 20px;
    color: #777;
    font-size: 0.9em;
}

/* --- Mobil Uyum (Responsive) --- */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5em;
    }
    .hero .tagline {
        font-size: 1.2em;
    }
    section h2 {
        font-size: 2em;
    }
}