:root {
    --color-primary: #0075c9;
    --color-text: #1f2937;
    --color-text-light: #6b7280;
    --color-bg: #f9fafb;
    --color-white: #ffffff;
    --color-border: #e5e7eb;
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --radius: 0.5rem;
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 4px 12px rgba(0, 0, 0, 0.15);
    --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

/* Reset */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html, body {
    height: 100%;
}

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

/* Header */
.header {
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: var(--spacing-lg) var(--spacing-md);
    text-align: center;
}

.header h1 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

.header p {
    font-size: 1rem;
    opacity: 0.9;
}

.header a {
    display: inline-block;
    margin-top: var(--spacing-sm);
    color: var(--color-white);
    text-decoration: none;
    font-weight: 500;
    transition: opacity 0.2s;
}

.header a:hover {
    opacity: 0.8;
    text-decoration: underline;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-lg) var(--spacing-md);
}

.container.container-narrow {
    max-width: 900px;
}

/* Grid */
.grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
}

@media (min-width: 640px) {
    .grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Card (for index.html) */
.card {
    background-color: var(--color-white);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: box-shadow 0.3s ease, transform 0.3s ease;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-2px);
}

.card-image {
    width: 100%;
    height: 250px;
    object-fit: cover;
    display: block;
}

.card-content {
    padding: var(--spacing-md);
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.card-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--color-primary);
}

.card-text {
    font-size: 0.95rem;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-sm);
    line-height: 1.7;
}

.card-links {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    margin-top: auto;
}

.card-link {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 500;
    word-break: break-word;
    transition: opacity 0.2s ease;
}

.card-link:hover {
    opacity: 0.7;
    text-decoration: underline;
}

.card-info {
    font-size: 0.9rem;
    color: var(--color-text);
    margin-top: var(--spacing-sm);
    padding-top: var(--spacing-sm);
    border-top: 1px solid var(--color-border);
}

/* Section (for legal.html) */
.section {
    background-color: var(--color-white);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.section h2 {
    color: var(--color-primary);
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--color-primary);
    padding-bottom: var(--spacing-sm);
}

.section h3 {
    color: var(--color-text);
    font-size: 1.1rem;
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
}

.section p {
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-light);
}

.section ul,
.section ol {
    margin-left: var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
}

.section li {
    margin-bottom: var(--spacing-xs);
    color: var(--color-text-light);
}

/* Contact Box */
.contact-box {
    background-color: var(--color-bg);
    padding: var(--spacing-md);
    border-left: 4px solid var(--color-primary);
    margin: var(--spacing-md) 0;
    border-radius: var(--radius);
}

.contact-box p {
    margin-bottom: var(--spacing-xs);
}

.contact-box strong {
    color: var(--color-text);
}

/* Links */
a {
    color: var(--color-primary);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

/* Footer */
.footer {
    background-color: var(--color-primary);
    color: var(--color-white);
    text-align: center;
    padding: var(--spacing-md);
    margin-top: var(--spacing-xl);
    font-size: 0.9rem;
}

.footer a {
    color: var(--color-white);
    font-weight: 500;
}

.footer a:hover {
    opacity: 0.8;
}

/* Table of Contents */
.toc {
    background-color: var(--color-bg);
    padding: var(--spacing-md);
    border-radius: var(--radius);
    margin-bottom: var(--spacing-lg);
}

.toc h3 {
    margin-top: 0;
    color: var(--color-primary);
}

.toc ul {
    list-style: none;
    margin-left: 0;
}

.toc li {
    margin-bottom: var(--spacing-xs);
}

.toc a {
    color: var(--color-primary);
    font-weight: 500;
}

/* Responsive Design */
@media (max-width: 640px) {
    .header h1 {
        font-size: 1.5rem;
    }

    .container {
        padding: var(--spacing-md);
    }

    .card-image {
        height: 200px;
    }

    .card-content {
        padding: var(--spacing-sm);
    }

    .section {
        padding: var(--spacing-md);
    }

    .section h2 {
        font-size: 1.25rem;
    }
}