/* 
 * Messink.org - Privacy-Focused Educational Theme 
 * Design: "Cyber-Scholar" (Dark Mode Default)
 */

:root {
    /* Color Palette - Deep Slate & Electric Cyan */
    --bg-primary: #0f172a;
    /* Slate 900 */
    --bg-secondary: #1e293b;
    /* Slate 800 */
    --bg-tertiary: #334155;
    /* Slate 700 */

    --text-primary: #f8fafc;
    /* Slate 50 */
    --text-secondary: #cbd5e1;
    /* Slate 300 */
    --text-muted: #94a3b8;
    /* Slate 400 */

    --accent-primary: #38bdf8;
    /* Sky 400 */
    --accent-glow: rgba(56, 189, 248, 0.5);
    --accent-secondary: #818cf8;
    /* Indigo 400 */

    --border-color: #334155;

    /* Functional */
    --nav-bg: rgba(15, 23, 42, 0.85);
    /* Glassmorphism base */
    --card-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.5), 0 2px 4px -1px rgba(0, 0, 0, 0.3);
    --card-hover-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.5), 0 10px 10px -5px rgba(0, 0, 0, 0.4);

    /* Spacing Scale */
    --space-xs: 0.5rem;
    /* 8px */
    --space-sm: 1rem;
    /* 16px */
    --space-md: 1.5rem;
    /* 24px */
    --space-lg: 2rem;
    /* 32px */
    --space-xl: 3rem;
    /* 48px */
    --space-2xl: 4rem;
    /* 64px */
    --space-3xl: 6rem;
    /* 96px */

    /* Layout */
    --container-width: 1200px;
    --container-padding: var(--space-lg);
    --header-height: 80px;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-pill: 50px;
}

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

.section-divider {
    height: 1px;
    background: linear-gradient(to right, transparent, var(--border-color), transparent);
    margin: var(--space-2xl) 0;
    border: none;
}

body {
    font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.025em;
    color: var(--text-primary);
}

h1 {
    font-size: 2.5rem;
    /* Reduced from 2.5rem base but gradient makes it look bigger, keeping 2.5 is safe */
    background: linear-gradient(to right, var(--text-primary), var(--accent-primary));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

h2 {
    font-size: 1.75rem;
    /* Reduced from 2rem */
    margin-bottom: var(--space-md);
    position: relative;
    padding-bottom: 0.75rem;
}

h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 4px;
    background: var(--accent-primary);
    border-radius: 2px;
}

h3 {
    font-size: 1.5rem;
    margin-bottom: var(--space-sm);
    color: var(--accent-primary);
}

p {
    margin-bottom: var(--space-md);
    color: var(--text-secondary);
}

a {
    color: var(--accent-primary);
    text-decoration: none;
    transition: all 0.2s ease;
}

a:hover {
    color: var(--accent-secondary);
    text-shadow: 0 0 8px var(--accent-glow);
}

/* Custom Elements */
messink-header,
messink-footer {
    display: block;
}

/* Header & Navigation */
header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background-color: var(--nav-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
}

.nav-container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: var(--space-sm) var(--space-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo h1 {
    font-size: 1.5rem;
    margin: 0;
    background: none;
    -webkit-text-fill-color: initial;
    color: var(--text-primary);
}

.logo .tagline {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin: 0;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.nav-menu {
    list-style: none;
    display: flex;
    gap: var(--space-lg);
    align-items: center;
}

.nav-menu a {
    color: var(--text-secondary);
    font-weight: 500;
    padding: var(--space-xs) 0;
    position: relative;
}

.nav-menu a:hover {
    color: var(--text-primary);
    text-shadow: none;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--accent-primary);
    transition: width 0.3s ease;
}

.nav-menu a:hover::after {
    width: 100%;
}

/* Logo Link */
.logo-link {
    text-decoration: none;
    color: inherit;
    display: block;
}

.logo-link:hover {
    color: inherit;
    text-shadow: none;
}

/* Dropdown */
.dropdown {
    position: relative;
}

.dropdown-content {
    display: none;
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--bg-secondary);
    min-width: 200px;
    box-shadow: var(--card-hover-shadow);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--space-xs);
    opacity: 0;
    animation: fadeIn 0.2s forwards;
}

@keyframes fadeIn {
    to {
        opacity: 1;
        margin-top: 0.5rem;
    }
}

.dropdown:hover .dropdown-content {
    display: block;
}

.dropdown-content a {
    display: block;
    padding: 0.75rem var(--space-sm);
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
}

.dropdown-content a::after {
    display: none;
}

/* Remove underline effect */

.dropdown-content a:hover {
    background-color: var(--bg-tertiary);
    color: var(--accent-primary);
}

/* Main Content */
main {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: var(--space-xl) var(--space-lg);
}

section {
    margin-bottom: var(--space-2xl);
    /* Reduced from 6rem */
}

/* Hero Section */
.hero {
    text-align: center;
    padding: var(--space-xl) var(--space-lg);
    /* Reduced from 6rem */
    background: radial-gradient(circle at top right, #1e293b 0%, #0f172a 60%);
    border-radius: var(--radius-lg);
    /* Slightly tighter radius */
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
    box-shadow: var(--card-shadow);
}

/* Subtle background glow effect */
.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(56, 189, 248, 0.1) 0%, transparent 70%);
    pointer-events: none;
    z-index: 0;
}

.hero>* {
    position: relative;
    z-index: 1;
}

.hero h1 {
    font-size: 2.75rem;
    /* Reduced from 3.5rem */
    margin-bottom: var(--space-sm);
    letter-spacing: -0.05em;
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-muted);
    max-width: 700px;
    margin: 0 auto var(--space-xl);
}

.cta-button {
    display: inline-block;
    padding: var(--space-sm) 2.5rem;
    background: var(--accent-primary);
    color: var(--bg-primary);
    font-weight: 700;
    border-radius: var(--radius-pill);
    box-shadow: 0 0 15px var(--accent-glow);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.cta-button:hover {
    background: var(--text-primary);
    color: var(--bg-primary);
    transform: translateY(-2px);
    box-shadow: 0 0 25px var(--accent-glow);
}

/* Cards & Grid */
.modules-grid,
.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--space-lg);
    margin-top: var(--space-2xl);
}

.module-card,
.category {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
}

.module-card:hover,
.category:hover {
    transform: translateY(-5px);
    border-color: var(--accent-primary);
    box-shadow: var(--card-hover-shadow), 0 0 15px rgba(56, 189, 248, 0.1);
}

.module-card h3,
.category h3 {
    font-size: 1.5rem;
    color: var(--text-primary);
}

.module-card p,
.category p {
    font-size: 1rem;
    color: var(--text-secondary);
    flex-grow: 1;
}

.module-card a,
.category a {
    display: inline-block;
    margin-top: auto;
    font-weight: 600;
}

/* Source Pill for News Cards */
.source-pill {
    display: inline-block;
    font-size: 0.75rem;
    padding: 2px 10px;
    border-radius: 12px;
    background-color: rgba(56, 189, 248, 0.1);
    color: var(--accent-primary);
    border: 1px solid var(--accent-primary);
    margin-bottom: var(--space-sm);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
    width: fit-content;
}

/* Make sure the card itself as a link doesn't have text decoration */
a.module-card {
    text-decoration: none;
    color: inherit;
}

a.module-card:hover {
    color: inherit;
    text-shadow: none;
}

a.module-card h3 {
    transition: color 0.3s ease;
}

a.module-card:hover h3 {
    color: var(--accent-secondary);
    text-shadow: 0 0 8px var(--accent-glow);
}

/* Concept Cards (CIA, Authn/Authz) */
.concepts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}

.concept-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    transition: all 0.3s ease;
    height: 100%;
}

.concept-card:hover {
    transform: translateY(-3px);
    border-color: var(--accent-primary);
    box-shadow: var(--card-shadow);
}

.concept-card h4,
.concept-card strong {
    color: var(--accent-primary);
    font-size: 1.25rem;
    margin-bottom: var(--space-xs);
    display: block;
}

.concept-card .analogy {
    margin-top: var(--space-sm);
    padding-top: var(--space-sm);
    border-top: 1px dashed var(--border-color);
    font-size: 0.9rem;
    color: var(--text-muted);
    font-style: italic;
}

/* Quick Access Specifics */
.category {
    text-align: center;
}

.category h3 {
    color: var(--accent-primary);
    font-size: 1.75rem;
}

/* Footer */
footer {
    background-color: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: var(--space-2xl) var(--space-lg);
    text-align: center;
}

.footer-content p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-container {
        flex-direction: column;
        gap: 1rem;
    }

    .nav-menu {
        flex-wrap: wrap;
        justify-content: center;
        gap: 1rem;
    }

    .hero h1 {
        font-size: 2.5rem;
    }
}

/* Glossary Page Styles */
.glossary-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.glossary-item {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--space-lg);
    padding: var(--space-lg);
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    transition: all 0.3s ease;
}

.glossary-item:hover {
    border-color: var(--accent-primary);
    box-shadow: var(--card-hover-shadow);
    transform: translateX(5px);
}

.glossary-item dt {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--accent-primary);
}

.glossary-item dd {
    font-size: 1rem;
    color: var(--text-secondary);
    margin: 0;
    /* Reset browser default margin for dd */
}

/* Responsive Glossary */
@media (max-width: 768px) {
    .glossary-item {
        grid-template-columns: 1fr;
        gap: var(--space-sm);
    }
}

/* Article / About Content Styles */
article ul,
article ol {
    margin-bottom: var(--space-md);
    padding-left: var(--space-lg);
    /* Ensure indentation */
}

article li {
    margin-bottom: var(--space-xs);
    position: relative;
    padding-left: var(--space-xs);
    list-style: none;
    /* Remove default bullets to replace with custom */
}

/* Custom Bullet Points - Fixed Encoding */
article ul li::before {
    content: "\25B8";
    /* Geometric arrow/bullet (safe unicode escape) */
    position: absolute;
    left: -1.2rem;
    color: var(--accent-primary);
    font-weight: bold;
    transition: transform 0.2s ease;
}

article li:hover::before {
    transform: translateX(3px);
    /* Subtle animation on hover */
    color: var(--accent-secondary);
}

article li strong {
    color: var(--text-primary);
}

/* Enhance Section Headers in Articles */
article section h2 {
    border-left: 4px solid var(--accent-primary);
    padding-left: var(--space-sm);
    padding-bottom: 0;
}

article section h2::after {
    display: none;
}

/* Highlighted Sections (Mission) */
.highlight-section {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    margin-bottom: var(--space-xl);
    border-left: 4px solid var(--accent-secondary);
}

.highlight-section h2 {
    border-left: none;
    padding-left: 0;
    margin-top: 0;
    color: var(--accent-secondary);
}

/* About Grid Layouts */
.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-lg);
    margin-top: var(--space-md);
}

/* Feature/Philosophy Cards */
.feature-card {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    transition: all 0.3s ease;
    height: 100%;
}

.feature-card:hover {
    border-color: var(--accent-primary);
    transform: translateY(-3px);
    box-shadow: var(--card-shadow);
}

.feature-card h3 {
    font-size: 1.25rem;
    color: var(--accent-primary);
    margin-bottom: var(--space-sm);
    border-bottom: 1px solid var(--border-color);
    padding-bottom: var(--space-xs);
}

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

/* Resource Cards */
.resource-card {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
}

.resource-card:hover {
    background: var(--bg-tertiary);
    border-color: var(--accent-secondary);
    transform: translateY(-5px);
}

.resource-card h3 {
    color: var(--text-primary);
    margin-bottom: var(--space-xs);
}

.resource-card p {
    font-size: 0.9rem;
    color: var(--text-muted);
}