:root {
    --bg-color: #111111;
    --card-bg: #202020;
    --sub-card-bg: #323232;
    --text-primary: #F9F9F9;
    --text-secondary: #CCCCCC;
    
    /* Branding Colors */
    --accent-purple: #9F8BF7;
    --accent-purple-hover: #B5A8FF;
    --accent-lime: #E7FA7E;
    --accent-lime-dark: #C5E900;
    
    /* Semantic Assignments */
    --accent-primary: var(--accent-purple);
    --accent-secondary: var(--accent-lime);
    
    --border-color-soft: rgba(255, 255, 255, 0.1);
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.6;
    padding: 20px;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    background-color: var(--card-bg);
    border-radius: 16px;
    padding: 40px;
    box-shadow: var(--shadow);
}

/* Header */
header {
    border-bottom: 2px solid var(--accent-primary);
    padding-bottom: 20px;
    margin-bottom: 30px;
}

/* For homepage which has a flex header */
header:has(.logo) { 
    display: flex;
    align-items: center;
    gap: 15px;
}

.logo {
    height: 48px;
    width: auto;
}

h1 {
    color: var(--accent-primary);
    font-size: 2.5em;
    font-weight: 700;
    margin-bottom: 10px;
}

/* Document Meta Data (Version, Date) */
.meta {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    font-size: 0.9em;
    color: var(--accent-secondary);
}

.meta-item {
    background-color: var(--sub-card-bg);
    padding: 8px 16px;
    border-radius: 20px;
}

/* Typography & Content */
h2 {
    color: var(--accent-primary);
    font-size: 1.5em; /* Document style is 1.5, Homepage was 1.8. Unifying to closer to document for now or distinct */
    margin-top: 30px;
    margin-bottom: 15px;
    font-weight: 600;
}

h3 {
    color: var(--accent-primary);
    font-size: 1.25em;
    margin-bottom: 10px;
}

p {
    margin-bottom: 15px;
    color: var(--text-primary);
}

ul {
    margin-left: 20px;
    margin-bottom: 15px;
}

li {
    margin-bottom: 8px;
}

strong {
    color: var(--accent-secondary);
}

em {
    color: var(--accent-lime-dark);
    font-style: normal;
    font-weight: 600;
}

a {
    color: var(--accent-primary);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

/* Introduction Boxes / Hero */
.intro, .hero {
    background-color: var(--sub-card-bg);
    padding: 20px; /* Unified padding */
    border-radius: 12px;
    margin-bottom: 30px;
    border-left: 4px solid var(--accent-primary);
}

.hero {
    /* Homepage hero specific overrides */
    padding: 30px;
    text-align: center;
}

.hero h2 {
    margin-top: 0;
    font-size: 1.8em; /* Keeping Homepage hero larger */
}

.hero p {
    font-size: 1.1em;
    max-width: 600px;
    margin: 0 auto 20px;
}

/* Sections */
.section {
    margin-bottom: 25px;
}

/* Features Grid (Homepage) */
.features-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
    margin-bottom: 30px;
}

@media (min-width: 600px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.feature {
    background-color: var(--sub-card-bg);
    padding: 20px;
    border-radius: 12px;
    transition: transform 0.2s;
}

.feature:hover {
    transform: translateY(-2px);
}

.feature h3 {
    font-size: 1.2em;
}

.feature p {
    font-size: 0.95em;
    color: var(--text-secondary);
    margin-bottom: 0;
}

/* Navigation & Buttons */
.nav-buttons {
    display: flex;
    gap: 15px;
    margin-top: 40px;
    padding-top: 30px;
    border-top: 1px solid var(--border-color-soft);
    justify-content: center; /* Centered in documents */
}

.btn, .cta-button {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 8px; /* Documents use 8px, Homepage used 50px */
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    font-size: 1em;
    background-color: var(--accent-primary);
    color: #111;
}

/* Homepage CTA Button specific style */
.cta-button {
    border-radius: 50px; 
    padding: 12px 30px;
    font-weight: 700;
    margin-top: 10px;
}

.btn:hover, .cta-button:hover {
    background-color: var(--accent-purple-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(159, 139, 247, 0.3);
    text-decoration: none;
}

.btn-secondary {
    background-color: var(--sub-card-bg);
    color: var(--text-primary);
}

.btn-secondary:hover {
    background-color: #481DA6; /* Specific hover for secondary from privacy policy */
}

/* Highlights & Notices */
.highlight {
    background-color: rgba(159, 139, 247, 0.1);
    padding: 2px 6px;
    border-radius: 4px;
}

.important-notice {
    background-color: #481DA6;
    padding: 15px;
    border-radius: 8px;
    margin: 20px 0;
    border-left: 4px solid var(--accent-primary);
}

/* Footer */
footer {
    margin-top: 50px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color-soft);
    text-align: center;
    font-size: 0.9em;
    color: #888;
}

footer p {
    margin-bottom: 5px;
    color: #888;
}

footer a {
    color: var(--accent-secondary); /* Footer links in lime */
}

/* Responsive */
@media (max-width: 768px) {
    .container {
        padding: 25px;
    }

    h1 {
        font-size: 2em;
    }

    .nav-buttons {
        flex-direction: column;
    }

    .btn, .cta-button {
        width: 100%;
        text-align: center;
    }
}