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

body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    color: #2c3e50;
    background-color: #ecf0f1;
}

header {
    background: linear-gradient(135deg, #27ae60, #16a085);
    color: white;
    padding: 1.5rem 2rem;
    text-align: center;
}

header h1 {
    margin-bottom: 0.5rem;
    font-size: 2.5rem;
}

nav {
    margin-top: 1rem;
}

nav a {
    color: white;
    text-decoration: none;
    margin: 0 1rem;
    transition: color 0.3s;
    font-weight: bold;
}

nav a:hover {
    color: #f39c12;
}

main {
    max-width: 1000px;
    margin: 2rem auto;
    padding: 0 1rem;
}

section {
    background-color: white;
    margin-bottom: 2rem;
    padding: 1.5rem;
    border-radius: 5px;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.15);
}

h2 {
    color: #27ae60;
    margin-bottom: 1rem;
    border-bottom: 3px solid #f39c12;
    padding-bottom: 0.5rem;
    font-size: 1.8rem;
}

h3 {
    color: #2c3e50;
    margin-top: 1rem;
    margin-bottom: 0.8rem;
    font-size: 1.3rem;
}

p {
    margin-bottom: 1rem;
    line-height: 1.8;
}

ol, ul {
    margin-left: 2rem;
    margin-bottom: 1rem;
}

li {
    margin-bottom: 0.8rem;
    line-height: 1.7;
}

code {
    background-color: #34495e;
    color: #ecf0f1;
    padding: 0.3rem 0.6rem;
    border-radius: 3px;
    font-family: 'Courier New', monospace;
    font-size: 0.95rem;
}

strong {
    color: #27ae60;
    font-weight: bold;
}

a {
    color: #3498db;
    text-decoration: none;
    transition: color 0.3s;
}

a:hover {
    color: #2980b9;
    text-decoration: underline;
}

footer {
    background: linear-gradient(135deg, #27ae60, #16a085);
    color: white;
    text-align: center;
    padding: 1rem;
    margin-top: 2rem;
}

footer a {
    color: #f39c12;
}

footer a:hover {
    text-decoration: underline;
}

#rufus-img {
    width: 350px;
    height: auto;
    float: right;
    margin-top: -327px;
    margin-right: -375px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    border-radius: 8px;
}

#rufus-img-2 {
    width: 128px;
    height: 128px;
    float: right;
    margin-top: -160px;
    margin-right: 450px;
    box-shadow: 5px 5px 5px rgba(0, 0, 0, 0.2);
    border-radius: 8px;
}