/* shared styles */
:root {
    --font-heading: 'Georgia', serif;
    --font-body: 'Arial', sans-serif;
    --bg-color: #fff;
    --text-color: #000;
    --primary-color: #111;
    --accent-color: #eee;
}

body {
    font-family: var(--font-body);
    background-color: var(--bg-color);
    color: var(--text-color);
    margin: 0;
    padding: 0;
    line-height: 1.6;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--primary-color);
}

header {
    background-color: var(--primary-color);
    color: var(--bg-color);
    padding: 1.5rem 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

header nav a {
    color: var(--bg-color);
    text-decoration: none;
    margin-left: 1.5rem;
    font-size: 1rem;
}

header nav a:hover {
    text-decoration: underline;
}

.hero {
    padding: 5rem 5%;
    background-color: var(--bg-color);
    text-align: center;
    border-bottom: 2px solid var(--primary-color);
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.hero .cta-btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    background-color: var(--primary-color);
    color: var(--bg-color);
    text-decoration: none;
    font-weight: bold;
    border-radius: 4px;
    margin-top: 1.5rem;
}

section {
    padding: 4rem 5%;
}

.author-bio {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 2rem;
    background-color: var(--accent-color);
    margin-top: 3rem;
    border-radius: 8px;
}

.author-bio .avatar {
    width: 80px;
    height: 80px;
    background-color: var(--primary-color);
    border-radius: 50%;
    color: var(--bg-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
}

footer {
    background-color: #111;
    color: #fff;
    padding: 3rem 5%;
    text-align: center;
    margin-top: 5rem;
}

footer a {
    color: #ccc;
    text-decoration: none;
    margin: 0 1rem;
}

.services-grid, .features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.card {
    background-color: var(--accent-color);
    padding: 2rem;
    border-radius: 8px;
}

/* Page specific overrides are handled inline in head */