/*
 * Stylesheet for the Finance Explorer website.
 *
 * The design uses a clean, modern aesthetic with a dark blue header and
 * footer complemented by warm gold accent colours. Content areas sit on a
 * soft light background to enhance readability. The layout is responsive,
 * adjusting gracefully on small screens.
 */

body {
    font-family: Arial, Helvetica, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f7f9fc;
    color: #2c3e50;
    line-height: 1.6;
}

header {
    background-color: #25316d;
    color: #ffffff;
    padding: 1rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}

header h1 {
    margin: 0;
    font-size: 1.8rem;
    letter-spacing: 1px;
}

nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

nav a {
    color: #f5c400;
    text-decoration: none;
    font-weight: bold;
    transition: color 0.2s ease;
}

nav a:hover {
    text-decoration: underline;
    color: #ffe680;
}

main {
    padding: 2rem 1.5rem;
    max-width: 1000px;
    margin: 0 auto;
}

section {
    margin-bottom: 2rem;
}

section h2 {
    color: #25316d;
    margin-top: 0;
    border-bottom: 2px solid #e1e7f0;
    padding-bottom: 0.5rem;
}

section h3 {
    color: #25316d;
    margin-top: 1.2rem;
}

article {
    background-color: #ffffff;
    padding: 1rem 1.5rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    margin-bottom: 1.5rem;
}

article h3 {
    margin-top: 0;
}

footer {
    background-color: #25316d;
    color: #ffffff;
    text-align: center;
    padding: 1rem 1.5rem;
    margin-top: 3rem;
}

.tool {
    background-color: #ffffff;
    padding: 1rem 1.5rem;
    margin-bottom: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.tool h3 {
    color: #25316d;
    margin-top: 0;
}

.tool label {
    display: block;
    margin-top: 0.5rem;
    font-weight: bold;
}

.tool input {
    width: 100%;
    padding: 0.5rem;
    margin-top: 0.25rem;
    border: 1px solid #cccccc;
    border-radius: 4px;
    box-sizing: border-box;
}

.tool button {
    margin-top: 0.75rem;
    padding: 0.5rem 1rem;
    background-color: #14a98b;
    color: #ffffff;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-weight: bold;
    transition: background-color 0.2s ease;
}

.tool button:hover {
    background-color: #0f846e;
}

/* Figure styling for images */
figure {
    margin: 1rem 0;
    text-align: center;
}

figure img {
    max-width: 100%;
    height: auto;
    border-radius: 4px;
}

figcaption {
    font-size: 0.9rem;
    color: #666666;
    margin-top: 0.5rem;
}

#topic-content {
    margin-top: 1rem;
    background-color: #ffffff;
    padding: 1rem 1.5rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    color: #2c3e50;
}

/* Responsive adjustments */
@media (max-width: 700px) {
    nav ul {
        flex-direction: column;
        gap: 0.5rem;
    }
    header {
        flex-direction: column;
        align-items: flex-start;
    }
    header h1 {
        margin-bottom: 0.5rem;
    }
}