:root {
    --text-color: #2c302e;
    --bg-color: #fcfaf5;
    --accent-green: #3a5a40;
    --accent-light-green: #588157;
    --accent-brown: #5e503f;
    --border-color: #daddd8;
}

body {
    font-family: Georgia, 'Times New Roman', serif;
    color: var(--text-color);
    background-color: var(--bg-color);
    line-height: 1.7;
    font-size: 19px;
    max-width: 800px;
    margin: 0 auto;
    padding: 3rem 1.5rem;
}

h1, h2, h3 {
    font-family: Georgia, 'Times New Roman', serif;
    color: var(--accent-green);
    font-weight: normal;
    margin-top: 2rem;
    margin-bottom: 1rem;
}

h1 {
    font-size: 2.2rem;
    border-bottom: 2px solid var(--accent-light-green);
    padding-bottom: 0.5rem;
    margin-top: 0;
}

h2 {
    font-size: 1.6rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.3rem;
    margin-top: 2.5rem;
}

h3 {
    font-size: 1.3rem;
    color: var(--accent-brown);
}

p {
    margin-bottom: 1.2rem;
}

a {
    color: var(--accent-light-green);
    text-decoration: underline;
    text-decoration-color: var(--border-color);
    text-underline-offset: 3px;
}

a:hover, a:focus {
    color: var(--accent-green);
    text-decoration-color: var(--accent-green);
}

header {
    margin-bottom: 3.5rem;
}

.cta-header {
    margin-top: 1.5rem;
    font-size: 1.15rem;
    font-weight: bold;
    color: var(--accent-brown);
}

.cta-header a {
    color: var(--accent-green);
    text-decoration: none;
    border-bottom: 2px solid var(--accent-light-green);
}

ul, ol {
    margin-bottom: 1.2rem;
    padding-left: 1.5rem;
}

li {
    margin-bottom: 0.8rem;
}

ol li {
    padding-left: 0.5rem;
}

strong {
    color: var(--accent-brown);
    font-weight: 600;
}

.algorithm {
    margin-bottom: 2.5rem;
    padding: 1.5rem 2rem;
    background-color: #f3efe6;
    border-left: 5px solid var(--accent-light-green);
}

.algorithm h3 {
    margin-top: 0;
}

.call-to-action {
    background-color: var(--accent-green);
    color: #ffffff;
    padding: 2.5rem 2rem;
    margin-top: 4rem;
}

.call-to-action h2 {
    color: #ffffff;
    border-bottom-color: rgba(255, 255, 255, 0.3);
    margin-top: 0;
}

.call-to-action a {
    color: #ffffff;
    font-weight: bold;
    text-decoration-color: rgba(255, 255, 255, 0.5);
}

.call-to-action .email-link {
    font-size: 1.3rem;
    margin-top: 1.5rem;
    margin-bottom: 0;
}

.request-link {
    display: inline-block;
    background-color: var(--accent-green);
    color: #ffffff;
    padding: 0.65rem 1.4rem;
    text-decoration: none;
    font-size: 1.05rem;
    border-bottom: none;
    letter-spacing: 0.01em;
}

.request-link:hover, .request-link:focus {
    background-color: var(--accent-light-green);
    color: #ffffff;
    text-decoration: none;
}

footer {
    margin-top: 5rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    text-align: center;
    font-size: 0.95rem;
    color: var(--accent-brown);
    font-style: italic;
}

/* Media Queries for Mobile */
@media (max-width: 600px) {
    body {
        font-size: 17px;
        padding: 1.5rem 1rem;
    }

    h1 {
        font-size: 1.8rem;
    }

    h2 {
        font-size: 1.4rem;
    }

    .algorithm {
        padding: 1.2rem;
    }

    .call-to-action {
        padding: 1.5rem;
    }

    .call-to-action .email-link {
        font-size: 1.1rem;
    }
}