/* GENEL GÖRÜNÜM */
body {
    font-family: Arial, sans-serif;
    background-color: #f8f8f8;
    color: #222;
    margin: 0;
    padding: 0;
}

/* SABİT HEADER */
header {
    background-color: #003366;
    color: white;
    text-align: center;
    padding: 20px 10px;
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.3);
}

/* HEADER METİN BOYUTLARI */
header h1 {
    margin: 0;
    font-size: 1.5rem;
}
header h1 + h1 {
    font-size: 2rem;
    margin-top: 10px;
}

/* SABİT HEADER ALTINDA BAŞLAYAN ANA İÇERİK */
main {
    margin-top: 180px;
}


main.container {
    margin-top: 180px; /* header (96px) + navbar (64px) = 160–180px boşluk */
}


/* BAŞLIKLAR */
h1 {
    font-size: 2rem;
    margin-bottom: 10px;
}
h2 {
    font-size: 1.75rem;
    margin-top: 30px;
}
h3 {
    font-size: 1.4rem;
    margin-top: 20px;
}

/* METİN VE LİSTE */
p,
li,
td {
    font-size: 1rem;
    line-height: 1.6;
}

/* MENÜ STİLİ */
nav a {
    font-size: 1rem;
    text-decoration: none;
    color: white;
    margin: 0 10px;
    padding: 8px 12px;
    display: inline-block;
}
nav a:hover {
    text-decoration: underline;
}

/* FOOTER */
footer {
    background-color: #003366;
    color: white;
    text-align: center;
    padding: 15px;
    margin-top: 40px;
}

/* BLOK ALINTI */
blockquote {
    font-style: italic;
    color: #555;
    font-size: 1.2rem;
}

/* DÜĞMELER */
.btn {
    background-color: #006699;
    color: white;
    border: none;
    border-radius: 4px;
    padding: 10px 20px;
    text-decoration: none;
    display: inline-block;
}
.btn:hover {
    background-color: #004d66;
    color: white;
}

/* RESPONSIVE YAPI */
@media (max-width: 768px) {
    header h1 {
        font-size: 1.2rem;
    }
    header h1 + h1 {
        font-size: 1.5rem;
    }

    nav a {
        display: block;
        margin: 5px 0;
        text-align: center;
    }

    main.container {
        margin-top: 120px;
        padding: 15px;
    }

    h2 {
        font-size: 1.4rem;
    }

    h3 {
        font-size: 1.2rem;
    }
}