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

html, body {
    height: 100%;
}

body {
    font-family: Arial, Helvetica, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f9f9f9;

    display: flex;
    flex-direction: column;
    min-height: 100vh; /* body takes at least full viewport height */
}

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

#icon {
    height: auto; /* Keeps the aspect ratio perfectly sharp */
}

/* Header */
.site-header {
    background-color: #212121;
    color: #fff;
    padding: 15px 0;
}

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

.logo {
    font-size: 1.5rem;
    font-weight: bold;
}

.site-header nav ul {
    list-style: none;
    display: flex;
    gap: 20px;
}

.site-header nav a {
    color: #fff;
    text-decoration: none;
    font-weight: 500;
}

.site-header nav a:hover {
    color: #1abc9c;
}

/* Main content grows to fill remaining space */
main {
    flex: 1 0 auto;
    padding: 40px 0;
}

/* Footer */
.site-footer {
    background-color: #212121;
    color: #ccc;
    text-align: center;
    padding: 15px 0;
    margin-top: 40px;
}