body {
    font-family: Arial, sans-serif;
    background: linear-gradient(to bottom, #ffffff, #f0f0f0);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    margin: 0;
    padding: 60px 20px 20px 20px;
    box-sizing: border-box;
}

.card {
    width: 400px;
    max-width: 100%;
    background: white;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    text-align: center;
}

.card.card-wide {
    width: 800px;
    text-align: left;
}

.card-wide ul {
    display: block;
    padding-left: 20px;
}

.card-wide li {
    margin: 10px 0;
}

.card-wide li::before {
    content: none;
}

.card-wide ul {
    list-style: disc;
}

.logo {
    max-width: 320px;
    width: 100%;
    height: auto;
    margin-bottom: 20px;
    padding: 15px;
    border-radius: 10px;
}

h1 {
    color: #2c3e50;
    font-size: 22px;
    margin-bottom: 5px;
}

h2 {
    color: #16a085;
    font-size: 18px;
    margin-top: 0;
}

h3 {
    color: #2c3e50;
    font-size: 16px;
    margin-top: 20px;
}

h4 {
    color: #2c3e50;
    font-size: 14px;
    margin-top: 15px;
}

a {
    text-decoration: none;
    color: #3498db;
    font-weight: bold;
    font-size: 14px;
}

a:hover {
    text-decoration: underline;
}

/* Index page styles */
p.tagline {
    font-weight: bold;
    margin-bottom: 15px;
}

ul {
    list-style: none;
    padding-left: 0;
    text-align: left;
    display: inline-block;
}

li {
    font-size: 14px;
    margin: 5px 0;
}

li::before {
    content: "\2022";
    color: #3498db;
    font-weight: bold;
    display: inline-block;
    width: 1em;
    margin-left: -1em;
}

.contact button {
    background: #3498db;
    color: white;
    border: none;
    padding: 12px 18px;
    border-radius: 5px;
    cursor: pointer;
    font-size: 14px;
    margin-top: 10px;
    transition: background 0.3s ease-in-out;
}

.contact button:hover {
    background: #2980b9;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-top: 15px;
}

.social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 15px;
    border-radius: 5px;
    font-size: 14px;
    font-weight: bold;
    color: white;
    text-decoration: none;
    transition: background 0.3s ease-in-out;
}

.linkedin-link {
    background: #0077b5;
}

.linkedin-link:hover {
    background: #005a8e;
}

.github-link {
    background: #24292e;
}

.github-link:hover {
    background: #1b1f23;
}

.links {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: white;
    padding: 8px 10px;
    font-size: 14px;
    text-align: center;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    z-index: 100;
    display: flex;
    justify-content: center;
    gap: 4px;
}

.links a {
    color: #3498db;
    font-weight: bold;
    text-decoration: none;
    display: inline-block;
    padding: 8px 12px;
    border-radius: 4px;
    transition: background 0.2s;
}

.links a:hover {
    text-decoration: none;
    background: #f0f0f0;
}

.links-separator {
    display: none;
}

/* About page styles */
.tabs {
    display: flex;
    justify-content: center;
    gap: 0;
    margin: 15px 0 0 0;
}

.tab {
    padding: 8px 20px;
    border: none;
    background: #e0e0e0;
    cursor: pointer;
    font-size: 14px;
    font-weight: bold;
    color: #555;
    transition: background 0.2s;
}

.tab:first-child {
    border-radius: 5px 0 0 5px;
}

.tab:last-child {
    border-radius: 0 5px 5px 0;
}

.tab:hover {
    background: #d0d0d0;
}

.tab.active {
    background: #16a085;
    color: white;
}

.bio {
    text-align: left;
    font-size: 14px;
    line-height: 1.7;
    color: #555;
    margin: 0;
    padding: 15px;
    background: #f9f9f9;
    border-radius: 0 0 8px 8px;
}

.bio-hidden {
    display: none;
}