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

:root {
    /* Light Mode Colors */
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --bg-tertiary: #e9ecef;
    --text-primary: #1a1a1a;
    --text-secondary: #6c757d;
    --text-tertiary: #adb5bd;
    --border-color: #dee2e6;
    --card-bg: #ffffff;
    --card-border: #dee2e6;
    --accent: #FF2D20;
    --accent-hover: #e02815;
    --success: #10b981;
    --code-bg: #f1f3f5;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
}

/* Dark Mode Colors */
body.dark-mode {
    --bg-primary: #0d1117;
    --bg-secondary: #161b22;
    --bg-tertiary: #21262d;
    --text-primary: #e6edf3;
    --text-secondary: #8b949e;
    --text-tertiary: #6e7681;
    --border-color: #30363d;
    --card-bg: #161b22;
    --card-border: #30363d;
    --accent: #FF2D20;
    --accent-hover: #ff4533;
    --success: #10b981;
    --code-bg: #0d1117;

    /* Shadows for dark mode */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.5);
}

/* Typography */
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    transition: background-color 0.3s ease, color 0.3s ease;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
    color: var(--text-primary);
    transition: color 0.3s ease;
}

h1 {
    font-size: 3rem;
    letter-spacing: -0.02em;
}

h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

h3 {
    font-size: 1.5rem;
}

p {
    margin-bottom: 1rem;
    color: var(--text-secondary);
    transition: color 0.3s ease;
}

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

a:hover {
    color: var(--accent-hover);
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Smooth transitions for theme changes */
*:not(button):not(a):not(input):not(textarea) {
    transition: color 0.3s ease, background-color 0.3s ease, border-color 0.3s ease;
}

/* Header */
header {
    position: sticky;
    top: 0;
    background-color: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
    background-color: rgba(13, 17, 23, 0.95);
    isolation: isolate;
}

body:not(.dark-mode) header {
    background-color: rgba(255, 255, 255, 0.95);
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
    z-index: 1001;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent);
    font-family: 'Courier New', monospace;
}

.theme-toggle {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 0.5rem 1rem;
    cursor: pointer;
    font-size: 1.2rem;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.theme-toggle:hover {
    background: var(--bg-secondary);
    transform: scale(1.05);
}

.dark-mode .sun-icon {
    display: inline;
}

.dark-mode .moon-icon {
    display: none;
}

body:not(.dark-mode) .sun-icon {
    display: none;
}

body:not(.dark-mode) .moon-icon {
    display: inline;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.2s ease;
    border: 2px solid transparent;
    cursor: pointer;
    text-align: center;
}

.btn-primary {
    background-color: var(--accent);
    color: white;
}

.btn-primary:hover {
    background-color: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background-color: transparent;
    color: var(--text-primary);
    border: 2px solid var(--border-color);
}

.btn-secondary:hover {
    background-color: var(--bg-tertiary);
    border-color: var(--accent);
    color: var(--accent);
    transform: translateY(-2px);
}

/* Sections */
section {
    padding: 5rem 0;
}

.section-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    text-align: center;
    margin-bottom: 3rem;
}

/* Hero Section */
.hero {
    padding: 6rem 0;
    text-align: center;
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
}

.hero-content {
    max-width: 900px;
    margin: 0 auto;
}

.hero h1 {
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--accent) 0%, #ff6b5a 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    font-weight: 500;
}

.hero-description {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto 3rem;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
    padding: 2rem;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
}

.stat {
    text-align: center;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--accent);
    margin-bottom: 0.5rem;
    font-family: 'Courier New', monospace;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.hero-ctas {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Packages Section */
.packages {
    background-color: var(--bg-secondary);
}

.packages h2 {
    text-align: center;
}

.packages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.package-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 12px;
    padding: 2rem;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
}

.package-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent);
}

.package-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.package-card h3 {
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.package-stats {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.badge {
    font-size: 0.75rem;
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.package-description {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

.package-features {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.tag {
    font-size: 0.75rem;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    background: var(--code-bg);
    color: var(--accent);
    font-family: 'Courier New', monospace;
    border: 1px solid var(--border-color);
}

.package-link {
    color: var(--accent);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: auto;
}

.package-link:hover {
    gap: 0.75rem;
}

.more-packages {
    text-align: center;
    padding: 2rem;
    background: var(--card-bg);
    border: 1px dashed var(--border-color);
    border-radius: 12px;
}

.more-packages p {
    margin-bottom: 1.5rem;
    color: var(--text-secondary);
}

/* Services Section */
.services h2 {
    text-align: center;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.service-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 12px;
    padding: 2rem;
    transition: all 0.3s ease;
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent);
}

.service-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.service-card h3 {
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.service-description {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.service-details {
    list-style: none;
    margin-bottom: 1.5rem;
}

.service-details li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--text-secondary);
}

.service-details li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--success);
    font-weight: bold;
}

.service-pricing {
    display: flex;
    gap: 1rem;
    align-items: center;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

.duration {
    font-size: 0.875rem;
    color: var(--text-tertiary);
}

.price {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--accent);
    font-family: 'Courier New', monospace;
}

.availability-note {
    text-align: center;
    padding: 1.5rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    margin-top: 2rem;
}

.availability-note p {
    display: inline;
    color: var(--text-secondary);
    margin: 0;
}

.availability-icon {
    font-size: 1.5rem;
    margin-right: 0.5rem;
}

/* About Section */
.about {
    background-color: var(--bg-secondary);
}

.about h2 {
    text-align: center;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    margin-top: 2rem;
}

.about-text {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.lead {
    font-size: 1.125rem;
    color: var(--text-primary);
}

.about-text strong {
    color: var(--accent);
}

.timeline h3 {
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.timeline-item {
    display: flex;
    gap: 1.5rem;
    padding: 1rem 0;
    border-left: 2px solid var(--border-color);
    padding-left: 1.5rem;
    position: relative;
}

.timeline-item::before {
    content: "";
    position: absolute;
    left: -5px;
    top: 1.5rem;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--accent);
}

.timeline-year {
    font-weight: 700;
    color: var(--accent);
    font-family: 'Courier New', monospace;
    min-width: 100px;
}

.timeline-content {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.timeline-content strong {
    color: var(--text-primary);
}

.timeline-content span {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* Contact Section */
.contact h2 {
    text-align: center;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    margin-top: 2rem;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1rem;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    transition: all 0.2s ease;
}

.contact-item:hover {
    border-color: var(--accent);
    transform: translateX(4px);
}

.contact-icon {
    font-size: 1.5rem;
}

.contact-item div {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.contact-item strong {
    color: var(--text-primary);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.contact-item a {
    color: var(--accent);
    font-size: 1rem;
}

.contact-item span {
    color: var(--text-secondary);
}

.cta-box {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 12px;
    padding: 2rem;
    text-align: center;
}

.cta-box h3 {
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.cta-box p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.response-time {
    font-size: 0.875rem;
    color: var(--text-tertiary);
    margin-top: 1rem;
}

/* Footer */
footer {
    background-color: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: 3rem 0;
    text-align: center;
}

.footer-content {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.footer-content p {
    color: var(--text-secondary);
    margin: 0;
}

.footer-tagline {
    font-size: 0.875rem;
    color: var(--text-tertiary);
    font-style: italic;
}

/* Navigation */
.main-nav {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    color: var(--text-primary);
    font-weight: 500;
    font-size: 0.95rem;
    transition: color 0.2s ease;
    position: relative;
}

.nav-link:hover {
    color: var(--accent);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--accent);
    transition: width 0.2s ease;
}

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

.btn-primary-small {
    background-color: var(--accent);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    font-weight: 600;
    font-size: 0.875rem;
    transition: all 0.2s ease;
}

.btn-primary-small:hover {
    background-color: var(--accent-hover);
    transform: translateY(-2px);
}

/* BackMark Featured Section */
.backmark-featured {
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.featured-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--accent);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.875rem;
    margin-bottom: 2rem;
}

.badge-icon {
    font-size: 1.2rem;
}

.backmark-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.backmark-text h2 {
    font-size: 3rem;
    margin-bottom: 0.5rem;
    background: linear-gradient(135deg, #00D4AA 0%, #00A8CC 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.backmark-tagline {
    font-size: 1.5rem;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    font-weight: 600;
}

.backmark-description {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.7;
}

.backmark-highlights {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.highlight-item {
    display: flex;
    gap: 1rem;
    padding: 1rem;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    transition: all 0.2s ease;
}

.highlight-item:hover {
    border-color: #00D4AA;
    transform: translateY(-2px);
}

.highlight-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.highlight-item strong {
    color: var(--text-primary);
    display: block;
    margin-bottom: 0.25rem;
    font-size: 0.95rem;
}

.highlight-item p {
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin: 0;
}

.backmark-ctas {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

/* CLI Window Mockup */
.cli-window {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.cli-header {
    background: var(--bg-tertiary);
    padding: 0.75rem 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    border-bottom: 1px solid var(--border-color);
}

.cli-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.cli-dot.red {
    background: #ff5f56;
}

.cli-dot.yellow {
    background: #ffbd2e;
}

.cli-dot.green {
    background: #27c93f;
}

.cli-title {
    margin-left: auto;
    font-size: 0.75rem;
    color: var(--text-tertiary);
    font-family: 'Courier New', monospace;
}

.cli-body {
    padding: 1.5rem;
    font-family: 'Courier New', Monaco, monospace;
    font-size: 0.9rem;
    line-height: 1.6;
    overflow-x: auto;
}

.cli-body pre {
    margin: 0;
}

.cli-body code {
    color: var(--text-primary);
}

.cli-prompt {
    color: #00D4AA;
    font-weight: bold;
}

.cli-section {
    color: #FFD700;
    font-weight: bold;
}

.cli-task {
    color: #8b949e;
}

.cli-task-active {
    color: #00D4AA;
}

.cli-meta {
    color: #6e7681;
    font-size: 0.85rem;
}

.cli-tags {
    color: #FF2D20;
    font-size: 0.85rem;
}

.cli-stats {
    color: #8b949e;
    font-style: italic;
}

.cli-highlight {
    color: #00D4AA;
    font-weight: bold;
}

.cli-cursor {
    color: var(--accent);
    animation: blink 1s infinite;
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

/* BackMark Page Styles */
.backmark-page,
body.backmark-page,
body.dark-mode.backmark-page {
    --accent: #00D4AA;
    --accent-hover: #00A8CC;
}

/* RepoSentinel Featured Section */
.reposentinel-featured {
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.reposentinel-badge {
    background: #7C3AED;
}

.reposentinel-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.reposentinel-text h2 {
    font-size: 3rem;
    margin-bottom: 0.5rem;
    background: linear-gradient(135deg, #7C3AED 0%, #A855F7 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.reposentinel-tagline {
    font-size: 1.5rem;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    font-weight: 600;
}

.reposentinel-description {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.7;
}

.reposentinel-highlights {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.reposentinel-ctas {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

/* Dashboard Mockup */
.dashboard-mockup {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.dashboard-header {
    background: var(--bg-tertiary);
    padding: 0.75rem 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    border-bottom: 1px solid var(--border-color);
}

.dashboard-dots {
    display: flex;
    gap: 0.5rem;
}

.dash-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.dash-dot.red {
    background: #ff5f56;
}

.dash-dot.yellow {
    background: #ffbd2e;
}

.dash-dot.green {
    background: #27c93f;
}

.dashboard-title {
    margin-left: auto;
    font-size: 0.75rem;
    color: var(--text-tertiary);
    font-family: 'Courier New', monospace;
}

.dashboard-body {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.dashboard-stat {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
}

.dashboard-stat.critical {
    border-left: 3px solid #ff5f56;
}

.dashboard-stat.warning {
    border-left: 3px solid #ffbd2e;
}

.dashboard-stat.success {
    border-left: 3px solid #27c93f;
}

.stat-icon-large {
    font-size: 2rem;
}

.stat-info {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.stat-info strong {
    color: var(--text-primary);
    font-size: 1rem;
}

.stat-info span {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.dashboard-licenses {
    padding: 1rem;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
}

.license-title {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.license-bar {
    height: 8px;
    background: var(--bg-tertiary);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 0.5rem;
}

.license-fill {
    height: 100%;
    width: 100%;
    background: linear-gradient(90deg, #27c93f 0%, #10b981 100%);
}

.license-status {
    font-size: 0.875rem;
    color: #27c93f;
    font-weight: 600;
}

/* RepoSentinel Page Styles */
.reposentinel-page,
body.reposentinel-page,
body.dark-mode.reposentinel-page {
    --accent: #7C3AED;
    --accent-hover: #A855F7;
}

.reposentinel-hero {
    padding: 8rem 0 6rem;
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    text-align: center;
}

.reposentinel-hero-content {
    max-width: 900px;
    margin: 0 auto 4rem;
}

.reposentinel-hero h1 {
    font-size: 4rem;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #7C3AED 0%, #A855F7 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.reposentinel-hero .hero-tagline {
    font-size: 1.75rem;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.reposentinel-hero .hero-description {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
}

.dashboard-demo-large {
    max-width: 1000px;
    margin: 0 auto;
}

.dashboard-body-large {
    padding: 2rem;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.dashboard-section h3 {
    font-size: 1rem;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.alert-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    margin-bottom: 0.75rem;
    border-left: 3px solid;
}

.alert-item.critical {
    border-left-color: #ff5f56;
}

.alert-item.high {
    border-left-color: #ff9500;
}

.alert-item.medium {
    border-left-color: #ffbd2e;
}

.alert-severity {
    font-size: 0.7rem;
    font-weight: 700;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
}

.alert-item.critical .alert-severity {
    background: rgba(255, 95, 86, 0.2);
    color: #ff5f56;
}

.alert-item.high .alert-severity {
    background: rgba(255, 149, 0, 0.2);
    color: #ff9500;
}

.alert-item.medium .alert-severity {
    background: rgba(255, 189, 46, 0.2);
    color: #ffbd2e;
}

.alert-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.alert-info strong {
    color: var(--text-primary);
    font-size: 0.9rem;
}

.alert-info span {
    color: var(--text-tertiary);
    font-size: 0.8rem;
    font-family: 'Courier New', monospace;
}

.alert-time {
    font-size: 0.75rem;
    color: var(--text-tertiary);
    white-space: nowrap;
}

.dashboard-stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

.dash-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 1.5rem 1rem;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
}

.dash-stat-number {
    font-size: 2rem;
    font-weight: 700;
    font-family: 'Courier New', monospace;
    margin-bottom: 0.5rem;
}

.critical-color {
    color: #ff5f56;
}

.warning-color {
    color: #ffbd2e;
}

.success-color {
    color: #27c93f;
}

.dash-stat-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* Pricing Section */
.pricing-section {
    background: var(--bg-secondary);
}

.pricing-section h2 {
    text-align: center;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-bottom: 2rem;
}

.pricing-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    position: relative;
    transition: all 0.3s ease;
}

.pricing-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.pricing-card.featured {
    border: 2px solid var(--accent);
}

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--accent);
    color: white;
    padding: 0.25rem 1rem;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
}

.pricing-header {
    text-align: center;
    margin-bottom: 2rem;
}

.pricing-header h3 {
    font-size: 1.5rem;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.pricing-price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 0.25rem;
}

.price-amount {
    font-size: 3rem;
    font-weight: 700;
    color: var(--accent);
    font-family: 'Courier New', monospace;
}

.price-period {
    font-size: 1rem;
    color: var(--text-secondary);
}

.pricing-features {
    list-style: none;
    margin-bottom: 2rem;
    flex-grow: 1;
}

.pricing-features li {
    padding: 0.75rem 0;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-color);
}

.pricing-features li:last-child {
    border-bottom: none;
}

.pricing-card .btn {
    width: 100%;
    text-align: center;
}

.pricing-note {
    text-align: center;
    padding: 1.5rem;
    background: linear-gradient(135deg, rgba(124, 58, 237, 0.1) 0%, rgba(168, 85, 247, 0.1) 100%);
    border: 1px solid var(--accent);
    border-radius: 12px;
}

.pricing-note p {
    margin: 0;
    color: var(--text-primary);
    font-size: 1.125rem;
}

.backmark-hero {
    padding: 8rem 0 6rem;
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    text-align: center;
}

.backmark-hero-content {
    max-width: 900px;
    margin: 0 auto 4rem;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.backmark-hero h1 {
    font-size: 4rem;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #00D4AA 0%, #00A8CC 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.backmark-hero .hero-tagline {
    font-size: 1.75rem;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.backmark-hero .hero-description {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
}

.backmark-hero .hero-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    background: none;
    border: none;
    padding: 0;
    margin-bottom: 2rem;
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    transition: all 0.2s ease;
}

.stat-item:hover {
    transform: translateY(-2px);
    border-color: var(--accent);
}

.stat-item .stat-icon {
    font-size: 2rem;
}

.stat-item div {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    text-align: left;
}

.stat-item strong {
    font-size: 1.5rem;
    color: var(--accent);
    font-family: 'Courier New', monospace;
}

.stat-item span {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.cli-demo-large {
    max-width: 1000px;
    margin: 0 auto;
}

.cli-demo-large .cli-body {
    padding: 2rem;
    font-size: 0.95rem;
}

/* Problem/Solution Section */
.problem-solution {
    background: var(--bg-secondary);
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-header h2 {
    margin-bottom: 0.5rem;
}

.ps-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}

.problem-box,
.solution-box {
    padding: 2.5rem;
    border-radius: 12px;
    border: 2px solid var(--border-color);
}

.problem-box {
    background: var(--card-bg);
}

.solution-box {
    background: var(--card-bg);
    border-color: var(--accent);
}

.problem-box h3,
.solution-box h3 {
    font-size: 1.75rem;
    margin-bottom: 1.5rem;
}

.problem-list,
.solution-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.problem-list li,
.solution-list li {
    padding-left: 2rem;
    position: relative;
    color: var(--text-secondary);
    line-height: 1.6;
}

.problem-list li::before {
    content: "✗";
    position: absolute;
    left: 0;
    color: #ff5f56;
    font-weight: bold;
    font-size: 1.2rem;
}

.solution-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--accent);
    font-weight: bold;
    font-size: 1.2rem;
}

/* Features Section */
.features-detailed {
    background: var(--bg-primary);
}

.features-detailed h2 {
    text-align: center;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2rem;
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.feature-card p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    line-height: 1.7;
}

.feature-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.feature-list li {
    padding-left: 1.5rem;
    position: relative;
    color: var(--text-secondary);
}

.feature-list li::before {
    content: "→";
    position: absolute;
    left: 0;
    color: var(--accent);
    font-weight: bold;
}

/* Comparison Section */
.comparison {
    background: var(--bg-secondary);
}

.comparison h2 {
    text-align: center;
}

.comparison-table-wrapper {
    overflow-x: auto;
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
}

.comparison-table thead {
    background: var(--bg-tertiary);
}

.comparison-table th {
    padding: 1rem;
    text-align: left;
    font-weight: 600;
    color: var(--text-primary);
    border-bottom: 2px solid var(--border-color);
}

.comparison-table td {
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-secondary);
}

.comparison-table tr:last-child td {
    border-bottom: none;
}

.comparison-table .highlight-col {
    background: linear-gradient(135deg, rgba(0, 212, 170, 0.1) 0%, rgba(0, 168, 204, 0.1) 100%);
    font-weight: 600;
    color: var(--accent);
}

.comparison-table tbody tr:hover {
    background: var(--bg-tertiary);
}

/* Getting Started Section */
.getting-started {
    background: var(--bg-primary);
}

.getting-started h2 {
    text-align: center;
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-bottom: 3rem;
}

.step-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2rem;
    position: relative;
}

.step-number {
    position: absolute;
    top: -1.5rem;
    left: 2rem;
    width: 3rem;
    height: 3rem;
    background: var(--accent);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: bold;
}

.step-card h3 {
    margin-top: 1rem;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.code-block {
    background: var(--code-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1rem;
    overflow-x: auto;
}

.code-block pre {
    margin: 0;
    font-family: 'Courier New', monospace;
    font-size: 0.875rem;
    line-height: 1.6;
}

.code-block code {
    color: var(--text-primary);
}

.docs-cta {
    text-align: center;
    padding: 3rem;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
}

.docs-cta p {
    font-size: 1.125rem;
    margin-bottom: 2rem;
}

.docs-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
    padding: 6rem 0;
}

.cta-box-large {
    text-align: center;
    padding: 4rem 2rem;
    background: var(--card-bg);
    border: 2px solid var(--accent);
    border-radius: 16px;
    max-width: 800px;
    margin: 0 auto;
}

.cta-box-large h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.cta-box-large > p {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 1.5rem;
}

.btn-primary-large,
.btn-secondary-large {
    padding: 1rem 2rem;
    font-size: 1.125rem;
    border-radius: 10px;
}

.btn-primary-large {
    background-color: var(--accent);
    color: white;
    border: none;
    font-weight: 600;
    transition: all 0.2s ease;
}

.btn-primary-large:hover {
    background-color: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-secondary-large {
    background-color: transparent;
    color: var(--text-primary);
    border: 2px solid var(--border-color);
    font-weight: 600;
    transition: all 0.2s ease;
}

.btn-secondary-large:hover {
    background-color: var(--bg-tertiary);
    border-color: var(--accent);
    color: var(--accent);
    transform: translateY(-2px);
}

.btn-icon {
    margin-right: 0.5rem;
}

.cta-note {
    font-size: 0.875rem;
    color: var(--text-tertiary);
    margin: 0;
}

/* Creator Section */
.creator-section {
    background: var(--bg-secondary);
}

.creator-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    align-items: center;
}

.creator-text h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.creator-text p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 1rem;
}

.creator-links {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

.creator-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.creator-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 1.5rem;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    transition: all 0.2s ease;
}

.creator-stat:hover {
    transform: translateY(-2px);
    border-color: var(--accent);
}

.creator-stat .stat-icon {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.creator-stat strong {
    font-size: 1.5rem;
    color: var(--accent);
    font-family: 'Courier New', monospace;
    margin-bottom: 0.25rem;
}

.creator-stat span {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* Footer Columns */
.footer-content {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 3rem;
    margin-bottom: 3rem;
    text-align: left;
}

.footer-col h4 {
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-size: 1rem;
}

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.footer-links a {
    color: var(--text-secondary);
    font-size: 0.875rem;
    transition: color 0.2s ease;
}

.footer-links a:hover {
    color: var(--accent);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

/* Mobile Menu Toggle - Hidden by default on desktop */
.mobile-menu-toggle {
    display: none !important;
}

@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: flex !important;
        align-items: center;
        justify-content: center;
        background: var(--bg-tertiary);
        border: 1px solid var(--border-color);
        border-radius: 8px;
        padding: 0.5rem 1rem;
        cursor: pointer;
        font-size: 1.5rem;
        transition: all 0.2s ease;
        color: var(--text-primary);
        position: relative;
        z-index: 10000;
        min-width: 44px;
        min-height: 44px;
        touch-action: manipulation;
        -webkit-tap-highlight-color: transparent;
    }

    .mobile-menu-toggle:hover {
        background: var(--bg-secondary);
    }

    .mobile-menu-toggle:active {
        transform: scale(0.95);
        background: var(--accent);
        color: white;
    }

    .hamburger-icon {
        display: block;
        line-height: 1;
        pointer-events: none;
        user-select: none;
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 1.5rem;
    }

    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.75rem;
    }

    section {
        padding: 3rem 0;
    }

    .hero {
        padding: 4rem 0;
    }

    .hero-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
        padding: 1.5rem;
    }

    .stat-number {
        font-size: 2rem;
    }

    .hero-ctas {
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }

    .packages-grid,
    .services-grid {
        grid-template-columns: 1fr;
    }

    .about-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .timeline-item {
        flex-direction: column;
        gap: 0.5rem;
    }

    .timeline-year {
        min-width: auto;
    }

    /* Mobile menu styles */
    header .container {
        position: relative;
        display: flex;
        justify-content: space-between;
        align-items: center;
        flex-wrap: wrap;
    }

    .logo {
        order: 1;
        z-index: 10001;
        position: relative;
    }

    .mobile-menu-toggle {
        order: 2;
        flex-shrink: 0;
    }

    .theme-toggle {
        order: 3;
        margin-left: 1rem;
        z-index: 10001;
        position: relative;
        flex-shrink: 0;
    }

    .main-nav {
        position: absolute;
        top: calc(100% + 1rem);
        left: 0;
        right: 0;
        background: var(--bg-primary);
        border: 1px solid var(--border-color);
        border-radius: 8px;
        flex-direction: column;
        gap: 0;
        padding: 1rem 0;
        box-shadow: var(--shadow-lg);
        display: none;
        z-index: 9999;
        order: 4;
        width: 100%;
        pointer-events: none;
    }

    .main-nav.active {
        display: flex;
        pointer-events: auto;
    }

    .nav-link {
        padding: 0.75rem 2rem;
        border-bottom: 1px solid var(--border-color);
    }

    .nav-link:last-child {
        border-bottom: none;
    }

    .nav-link::after {
        display: none;
    }

    .main-nav .btn-primary-small {
        margin: 0.75rem 2rem;
        display: block;
        text-align: center;
        width: calc(100% - 4rem);
        border-bottom: none;
    }

    .backmark-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .backmark-highlights {
        grid-template-columns: 1fr;
    }

    .backmark-text h2 {
        font-size: 2rem;
    }

    .backmark-tagline {
        font-size: 1.25rem;
    }

    .cli-demo-large .cli-body {
        padding: 1rem;
        font-size: 0.8rem;
    }

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

    .backmark-hero .hero-tagline {
        font-size: 1.25rem;
    }

    .backmark-hero .hero-stats {
        grid-template-columns: repeat(2, 1fr);
    }

    .ps-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .comparison-table {
        font-size: 0.875rem;
    }

    .comparison-table th,
    .comparison-table td {
        padding: 0.75rem;
    }

    .steps-grid {
        grid-template-columns: 1fr;
    }

    .creator-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .creator-stats {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-content {
        grid-template-columns: repeat(2, 1fr);
        gap: 2rem;
    }

    /* RepoSentinel responsive */
    .reposentinel-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .reposentinel-highlights {
        grid-template-columns: 1fr;
    }

    .reposentinel-text h2 {
        font-size: 2rem;
    }

    .reposentinel-tagline {
        font-size: 1.25rem;
    }

    .dashboard-body {
        padding: 1rem;
    }

    .dashboard-body-large {
        padding: 1rem;
    }

    .alert-item {
        flex-direction: column;
        align-items: flex-start;
    }

    .alert-time {
        align-self: flex-end;
    }

    .dashboard-stats-grid {
        grid-template-columns: 1fr;
    }

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

    .reposentinel-hero .hero-tagline {
        font-size: 1.25rem;
    }

    .reposentinel-hero .hero-stats {
        grid-template-columns: repeat(2, 1fr);
    }

    .pricing-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: 1.75rem;
    }

    h2 {
        font-size: 1.5rem;
    }

    .hero-subtitle {
        font-size: 1.125rem;
    }

    .hero-stats {
        grid-template-columns: 1fr;
    }

    .package-card,
    .service-card {
        padding: 1.5rem;
    }

    /* BackMark mobile */
    .backmark-hero h1 {
        font-size: 2rem;
    }

    .backmark-hero .hero-stats {
        grid-template-columns: 1fr;
    }

    .stat-item {
        padding: 1rem;
    }

    .cli-body {
        padding: 1rem;
        font-size: 0.75rem;
    }

    .footer-content {
        grid-template-columns: 1fr;
    }

    .creator-stats {
        grid-template-columns: 1fr;
    }

    /* RepoSentinel mobile */
    .reposentinel-hero h1 {
        font-size: 2rem;
    }

    .reposentinel-hero .hero-stats {
        grid-template-columns: 1fr;
    }

    .dashboard-body-large {
        padding: 0.75rem;
    }

    .alert-item {
        padding: 0.75rem;
    }

    .dashboard-stat {
        padding: 0.75rem;
    }

    .pricing-card {
        padding: 1.5rem;
    }
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Selection color */
::selection {
    background-color: var(--accent);
    color: white;
}

/* Easter egg: Konami code rainbow animation */
@keyframes rainbow {
    0% { filter: hue-rotate(0deg); }
    100% { filter: hue-rotate(360deg); }
}