body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    color: #e0e0e0;
    background-color: #121212;
    margin: 0;
    padding: 20px;
}

.blog-post {
    max-width: 800px;
    margin: 20px auto;
    background-color: #1e1e1e;
    padding: 30px 50px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.5);
}

.post-title {
    font-family: 'Helvetica Neue', Arial, sans-serif;
    font-size: 2.8em;
    color: #00ffcc;
    margin-bottom: 0.5em;
    line-height: 1.2;
}

h2, h3, h4 {
    font-family: 'Helvetica Neue', Arial, sans-serif;
    color: #00ffcc;
    margin-top: 1.8em;
}

h2 {
    font-size: 1.8em;
    border-bottom: 2px solid #444;
    padding-bottom: 0.3em;
}

h3 {
    font-size: 1.5em;
}

h4 {
    font-size: 1.2em;
    color: #aaaaaa;
}

p, ol {
    margin-bottom: 1.2em;
    font-size: 1.1em;
}

a {
    color: #64b5f6;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

ol {
    padding-left: 25px;
}

li {
    margin-bottom: 0.8em;
}

hr {
    border: 0;
    height: 1px;
    background-color: #444;
    margin: 50px 0;
}

.post-footer {
    font-style: italic;
    color: #999;
    text-align: center;
    margin-top: 2em;
    font-size: 1em;
}

img {
    width: 50%;
    display: block;
    margin: auto;
}

footer {
    background-color: #111;
    color: #00ffcc;
    text-align: center;
    padding: 1.5rem 0;
    margin-top: 2rem;
    border-top: 2px solid #00ffcc;
}

footer p {
    margin: 0;
    font-size: 0.9em;
}

a {
    color: #00ffcc;
    text-decoration: none;
}

a:hover {
    color: #00e6b8;
    text-decoration: underline;
}

button,
.button-link,
.cta-button,
.option-button,
.submit-button,
.expertise-item a {
    display: inline-block;
    padding: 0.75em 1.5em;
    font-size: 16px;
    font-weight: bold;
    line-height: 1.6;
    text-align: center;
    white-space: nowrap;
    vertical-align: middle;
    border-radius: 50px;
    cursor: pointer;
    border: none;
    background-color: #00ffcc;
    color: #000;
    text-decoration: none;
    transition: all 0.3s;
}