:root {
    --primary-color: #0A2F5A; /* Koyu Mavi - Kurumsal, Güvenilir */
    --secondary-color: #007BFF; /* Parlak Mavi - Teknolojik, Modern */
    --accent-color: #FFC107; /* Altın Sarısı - Kalite, Önem */
    --light-accent-color: #f0f8ff; /* Açık Mavi - Arkaplanlar için */
    --text-color: #333;
    --light-text-color: #f8f9fa;
    --background-color: #FFFFFF;
    --footer-background: #111;
    --card-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    --border-radius: 8px;
    --font-main: 'Roboto', sans-serif;
    --font-heading: 'Orbitron', sans-serif; /* Teknolojik, modern başlık fontu */
    --menu-width: 280px; /* Width of the slide-in menu */
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    color: var(--text-color);
    line-height: 1.6;
    background-color: var(--background-color);
    overflow-x: hidden; /* Yatay kaydırmayı engelle */
}

#page-container {
    position: relative;
    transition: transform 0.4s ease-in-out;
    background-color: var(--background-color); /* Ensure it has a background */
    min-height: 100vh; /* Ensure footer is pushed down */
    display: flex;
    flex-direction: column;
}

main {
    flex-grow: 1; /* Makes main content take available space */
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}