:root {
    --background-color: #007A33;
    --text-primary: #fff;
    --sidebar-background: #005622;
    --button-color: #ffcc00;
    --button-hover: #e6b800;
    --nav-hover: rgba(255, 255, 255, 0.2);
    --underline-color: #ffcc00;
    --border-radius: 8px;
    --box-shadow: 2px 4px 10px rgba(0, 0, 0, 0.2);
    --font-primary: 'Inter', sans-serif;
    --font-secondary: 'Poppins', sans-serif;
}

body {
    font-family: var(--font-primary);
    background-color: var(--background-color);
    color: var(--text-primary);
    margin: 0;
    display: flex;
}

.sidebar {
    width: 260px;
    background: var(--sidebar-background);
    padding: 30px 15px;
    height: 100vh;
    position: fixed;
    left: 0;
    top: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    box-shadow: 4px 0 10px rgba(0, 0, 0, 0.2);
    z-index: 10;
}

.logo-container {
    text-align: center;
    margin-bottom: 25px;
}

.logo-container img {
    width: 160px;
    height: auto;
    margin-bottom: 15px;
    border-radius: 5px;
    box-shadow: var(--box-shadow);
}

.nav-links {
    display: flex;
    flex-direction: column;
    gap: 12px;
    width: 100%;
    text-align: center;
}

.nav-links a {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 600;
    text-transform: uppercase;
    padding: 12px;
    border-radius: var(--border-radius);
    display: block;
    transition: all 0.3s ease;
    letter-spacing: 0.5px;
}

.nav-links a:hover {
    background-color: var(--nav-hover);
}

.main-content {
    margin-left: 280px;
    padding: 40px;
    text-align: center;
    max-width: 900px;
    width: 100%;
    z-index: 1;
}

h1 {
    font-family: var(--font-secondary);
    font-weight: 800;
    font-size: 2.8em;
    margin: 0 auto 20px;
    letter-spacing: 1px;
    padding-bottom: 10px;
    border-bottom: 5px solid var(--underline-color);
}

.content-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.content-container img {
    width: 600px;
    height: auto;
    margin: 20px auto;
}

p {
    font-size: 1.3em;
    line-height: 1.7;
    max-width: 700px;
    margin: 0 auto 25px;
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    background-color: var(--button-color);
    color: #333;
    text-decoration: none;
    font-size: 1em;
    font-weight: 600;
    border-radius: var(--border-radius);
    transition: background 0.3s ease, transform 0.2s ease;
    box-shadow: var(--box-shadow);
}

.btn:hover {
    background-color: var(--button-hover);
    transform: translateY(-2px);
}

@media (max-width: 768px) {
    body {
        flex-direction: column;
        align-items: center;
    }

    .sidebar {
        width: 100%;
        height: auto;
        position: relative;
        padding: 20px 0;
    }

    .nav-links {
        flex-direction: row;
        justify-content: center;
        gap: 20px;
    }

    .main-content {
        margin-left: 0;
        padding: 40px;
    }

    .content-container img {
        width: 200px;
    }
}