/* =============================================================================
   ISSU321 Linux Installation Tools - Main Stylesheet
   Cyberpunk Dark Theme with Neon Accents
   ============================================================================= */

/* --- CSS Variables --- */
:root {
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-card: #16161f;
    --bg-card-hover: #1e1e2e;
    --bg-terminal: #0d0d12;
    --border-color: #2a2a3a;
    --border-glow: #00ff88;

    --text-primary: #e0e0e0;
    --text-secondary: #a0a0b0;
    --text-muted: #6a6a7a;
    --text-accent: #00ff88;
    --text-accent-2: #00d4ff;
    --text-accent-3: #ff6b6b;
    --text-accent-4: #ffd93d;

    --gradient-1: linear-gradient(135deg, #00ff88 0%, #00d4ff 100%);
    --gradient-2: linear-gradient(135deg, #ff6b6b 0%, #ffd93d 100%);
    --gradient-3: linear-gradient(135deg, #00d4ff 0%, #7b2cbf 100%);

    --font-mono: 'JetBrains Mono', monospace;
    --font-display: 'Orbitron', sans-serif;
    --font-body: 'Inter', sans-serif;

    --transition-fast: 0.2s ease;
    --transition-medium: 0.3s ease;
    --transition-slow: 0.5s ease;

    --shadow-glow: 0 0 20px rgba(0, 255, 136, 0.3);
    --shadow-glow-blue: 0 0 20px rgba(0, 212, 255, 0.3);
    --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.4);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
}

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

a:hover {
    color: var(--text-accent-2);
}

img {
    max-width: 100%;
    height: auto;
}

/* --- Canvas Backgrounds --- */
#matrix-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    opacity: 0.15;
    pointer-events: none;
}

#particles-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    opacity: 0.3;
    pointer-events: none;
}

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

.section {
    padding: 6rem 0;
    position: relative;
    z-index: 2;
}

/* --- Navigation --- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 1rem 0;
    transition: var(--transition-medium);
    background: transparent;
}

.navbar.scrolled {
    background: rgba(10, 10, 15, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.logo-icon {
    color: var(--text-accent);
    font-size: 1.25rem;
}

.logo-text {
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.95rem;
    position: relative;
    padding: 0.5rem 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-1);
    transition: var(--transition-medium);
}

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

.nav-link:hover,
.nav-link.active {
    color: var(--text-primary);
}

.nav-github {
    background: rgba(0, 255, 136, 0.1);
    border: 1px solid var(--text-accent);
    padding: 0.5rem 1rem;
    border-radius: 6px;
    color: var(--text-accent);
    transition: var(--transition-fast);
}

.nav-github:hover {
    background: var(--text-accent);
    color: var(--bg-primary);
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    z-index: 1001;
}

.nav-toggle span {
    display: block;
    width: 25px;
    height: 2px;
    background: var(--text-primary);
    transition: var(--transition-medium);
}

/* --- Hero Section --- */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 8rem 2rem 4rem;
    position: relative;
    z-index: 2;
}

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

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(0, 255, 136, 0.1);
    border: 1px solid rgba(0, 255, 136, 0.3);
    padding: 0.5rem 1.25rem;
    border-radius: 50px;
    font-size: 0.85rem;
    color: var(--text-accent);
    margin-bottom: 2rem;
}

.badge-pulse {
    width: 8px;
    height: 8px;
    background: var(--text-accent);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.title-line {
    display: block;
}

.title-accent {
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 2.5rem;
    line-height: 1.7;
}

.typing-text {
    color: var(--text-secondary);
}

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

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 4rem;
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 2rem;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1rem;
    transition: var(--transition-medium);
    cursor: pointer;
    border: none;
    font-family: var(--font-body);
}

.btn-primary {
    background: var(--gradient-1);
    color: var(--bg-primary);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
    color: var(--bg-primary);
}

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

.btn-outline:hover {
    border-color: var(--text-accent);
    color: var(--text-accent);
    transform: translateY(-2px);
}

.btn-glow {
    position: relative;
    overflow: hidden;
}

.btn-glow::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(255,255,255,0.1), transparent);
    transform: rotate(45deg);
    transition: var(--transition-slow);
    opacity: 0;
}

.btn-glow:hover::before {
    opacity: 1;
    animation: shimmer 1.5s infinite;
}

.btn-large {
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

.btn-full {
    width: 100%;
    justify-content: center;
}

/* --- Hero Stats --- */
.hero-stats {
    display: flex;
    justify-content: center;
    gap: 3rem;
    flex-wrap: wrap;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 900;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-suffix {
    font-family: var(--font-display);
    font-size: 1.5rem;
    color: var(--text-accent);
}

.stat-label {
    display: block;
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-top: 0.25rem;
}

/* --- Scroll Indicator --- */
.hero-scroll {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-muted);
    font-size: 0.875rem;
}

.scroll-mouse {
    width: 24px;
    height: 36px;
    border: 2px solid var(--text-muted);
    border-radius: 12px;
    display: flex;
    justify-content: center;
    padding-top: 6px;
}

.scroll-wheel {
    width: 4px;
    height: 8px;
    background: var(--text-accent);
    border-radius: 2px;
    animation: scroll-wheel 2s infinite;
}

/* --- Section Headers --- */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid rgba(0, 212, 255, 0.3);
    padding: 0.5rem 1.25rem;
    border-radius: 50px;
    font-size: 0.85rem;
    color: var(--text-accent-2);
    margin-bottom: 1rem;
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    margin-bottom: 1rem;
}

.gradient-text {
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-desc {
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
    font-size: 1.1rem;
}

/* --- Terminal --- */
.terminal-window {
    background: var(--bg-terminal);
    border-radius: 12px;
    border: 1px solid var(--border-color);
    overflow: hidden;
    box-shadow: var(--shadow-card), 0 0 40px rgba(0, 0, 0, 0.5);
    max-width: 800px;
    margin: 0 auto;
}

.terminal-large {
    max-width: 1000px;
}

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

.terminal-buttons {
    display: flex;
    gap: 0.5rem;
}

.terminal-btn {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    display: block;
}

.btn-close { background: #ff5f56; }
.btn-minimize { background: #ffbd2e; }
.btn-maximize { background: #27c93f; }

.terminal-title {
    flex: 1;
    text-align: center;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-muted);
}

.terminal-body {
    padding: 1.5rem;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    line-height: 1.6;
    overflow-x: auto;
}

.terminal-line {
    margin-bottom: 0.25rem;
    white-space: nowrap;
}

.terminal-prompt {
    color: var(--text-accent);
    font-weight: 700;
}

.terminal-command {
    color: var(--text-primary);
}

.terminal-output {
    color: var(--text-secondary);
}

.terminal-success {
    color: #00ff88;
}

.terminal-info {
    color: var(--text-accent-2);
}

.terminal-loading {
    color: var(--text-accent-4);
}

.terminal-dots {
    animation: dots 1.5s infinite;
}

.terminal-ascii {
    color: var(--text-accent);
    line-height: 1.2;
    font-size: 0.75rem;
}

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

.terminal-cursor.blink {
    animation: blink 1s infinite;
}

.terminal-hidden {
    color: var(--text-muted);
}

.terminal-menu-line {
    color: var(--text-accent-3);
}

.terminal-menu-num {
    color: var(--text-accent-4);
    font-weight: 700;
}

.terminal-menu-text {
    color: var(--text-primary);
    font-weight: 600;
}

.terminal-section {
    color: var(--text-accent-3);
}

.terminal-type {
    color: var(--text-accent-2);
}

/* --- Benefits Grid --- */
.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

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

.benefit-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--gradient-1);
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition-medium);
}

.benefit-card:hover::before {
    transform: scaleX(1);
}

.benefit-card:hover {
    transform: translateY(-5px);
    border-color: var(--text-accent);
    box-shadow: var(--shadow-glow);
}

.benefit-icon {
    width: 60px;
    height: 60px;
    background: rgba(0, 255, 136, 0.1);
    border: 1px solid rgba(0, 255, 136, 0.3);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--text-accent);
    margin-bottom: 1.5rem;
    position: relative;
}

.icon-glow {
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 12px;
    background: var(--text-accent);
    opacity: 0;
    filter: blur(20px);
    transition: var(--transition-medium);
}

.benefit-card:hover .icon-glow {
    opacity: 0.3;
}

.benefit-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.benefit-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.benefit-progress {
    height: 4px;
    background: var(--bg-secondary);
    border-radius: 2px;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background: var(--gradient-1);
    border-radius: 2px;
    width: 0;
    transition: width 1.5s ease;
}

/* --- Tools Showcase --- */
.tools-tabs {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.tool-tab {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition-fast);
    font-family: var(--font-body);
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.tool-tab:hover {
    border-color: var(--text-accent);
    color: var(--text-primary);
}

.tool-tab.active {
    background: rgba(0, 255, 136, 0.1);
    border-color: var(--text-accent);
    color: var(--text-accent);
}

.tools-panel {
    display: none;
}

.tools-panel.active {
    display: block;
    animation: fadeIn 0.5s ease;
}

.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1rem;
}

.tool-item {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1rem 1.25rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    transition: var(--transition-fast);
    cursor: default;
}

.tool-item:hover {
    border-color: var(--text-accent);
    transform: translateX(5px);
    background: var(--bg-card-hover);
}

.tool-item i {
    color: var(--text-accent);
    font-size: 1.1rem;
    width: 24px;
    text-align: center;
}

.tool-item span {
    color: var(--text-primary);
    font-size: 0.9rem;
    font-weight: 500;
}

/* --- Modes Section --- */
.modes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

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

.mode-card::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 100px;
    height: 100px;
    background: radial-gradient(circle, rgba(0, 255, 136, 0.1) 0%, transparent 70%);
    opacity: 0;
    transition: var(--transition-medium);
}

.mode-card:hover::after {
    opacity: 1;
}

.mode-card:hover {
    transform: translateY(-5px);
    border-color: var(--text-accent);
}

.mode-number {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 900;
    color: var(--text-muted);
    opacity: 0.3;
    line-height: 1;
    margin-bottom: 1rem;
}

.mode-icon {
    width: 50px;
    height: 50px;
    background: rgba(0, 255, 136, 0.1);
    border: 1px solid rgba(0, 255, 136, 0.3);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    color: var(--text-accent);
    margin-bottom: 1.25rem;
}

.mode-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

.mode-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 1.25rem;
}

.mode-tags {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-bottom: 1rem;
}

.tag {
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid rgba(0, 212, 255, 0.3);
    color: var(--text-accent-2);
    padding: 0.25rem 0.75rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
}

.mode-time {
    color: var(--text-muted);
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.mode-complete:hover { border-color: #00ff88; }
.mode-upgrade:hover { border-color: #ffd93d; }
.mode-dev:hover { border-color: #00d4ff; }
.mode-hack:hover { border-color: #ff6b6b; }
.mode-everything:hover { border-color: #c084fc; }

/* --- CTA Section --- */
.cta-section {
    padding: 6rem 0;
    position: relative;
    z-index: 2;
    background: linear-gradient(180deg, var(--bg-primary) 0%, rgba(0, 255, 136, 0.03) 50%, var(--bg-primary) 100%);
}

.cta-content {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.cta-content h2 {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: 1rem;
}

.cta-content p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    font-size: 1.1rem;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 2.5rem;
}

.cta-code {
    background: var(--bg-terminal);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1rem 1.5rem;
    display: inline-flex;
    align-items: center;
    gap: 1rem;
    font-family: var(--font-mono);
    font-size: 0.9rem;
}

.cta-code code {
    color: var(--text-accent);
}

.cta-code .copy-btn {
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    transition: var(--transition-fast);
    font-size: 1rem;
}

.cta-code .copy-btn:hover {
    color: var(--text-accent);
}

/* --- Footer --- */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: 4rem 0 2rem;
    position: relative;
    z-index: 2;
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 2fr;
    gap: 4rem;
    margin-bottom: 3rem;
}

.footer-brand {
    max-width: 300px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.footer-brand p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.footer-social {
    display: flex;
    gap: 1rem;
}

.footer-social a {
    width: 40px;
    height: 40px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: var(--transition-fast);
}

.footer-social a:hover {
    border-color: var(--text-accent);
    color: var(--text-accent);
    transform: translateY(-3px);
}

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

.footer-col h4 {
    color: var(--text-primary);
    font-size: 1rem;
    margin-bottom: 1.25rem;
}

.footer-col ul {
    list-style: none;
}

.footer-col li {
    margin-bottom: 0.75rem;
}

.footer-col a {
    color: var(--text-secondary);
    font-size: 0.9rem;
    transition: var(--transition-fast);
}

.footer-col a:hover {
    color: var(--text-accent);
    padding-left: 5px;
}

.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding-top: 2rem;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.875rem;
}

.footer-made {
    margin-top: 0.5rem;
}

.footer-made i {
    color: #ff6b6b;
}

/* --- Toast --- */
.toast {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background: var(--bg-card);
    border: 1px solid var(--text-accent);
    border-radius: 8px;
    padding: 1rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-accent);
    font-weight: 600;
    z-index: 10000;
    transform: translateY(100px);
    opacity: 0;
    transition: var(--transition-medium);
    box-shadow: var(--shadow-glow);
}

.toast.show {
    transform: translateY(0);
    opacity: 1;
}

.toast i {
    font-size: 1.25rem;
}

/* --- Back to Top --- */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    left: 2rem;
    width: 45px;
    height: 45px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-accent);
    cursor: pointer;
    z-index: 999;
    opacity: 0;
    transform: translateY(20px);
    transition: var(--transition-medium);
}

.back-to-top.visible {
    opacity: 1;
    transform: translateY(0);
}

.back-to-top:hover {
    background: var(--text-accent);
    color: var(--bg-primary);
    border-color: var(--text-accent);
}

/* --- Page Hero --- */
.page-hero {
    padding: 10rem 2rem 4rem;
    text-align: center;
    position: relative;
    z-index: 2;
    min-height: 50vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.page-hero-content {
    max-width: 700px;
}

.page-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid rgba(0, 212, 255, 0.3);
    padding: 0.5rem 1.25rem;
    border-radius: 50px;
    font-size: 0.85rem;
    color: var(--text-accent-2);
    margin-bottom: 1.5rem;
}

.page-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 900;
    margin-bottom: 1rem;
}

.page-subtitle {
    color: var(--text-secondary);
    font-size: 1.1rem;
    max-width: 500px;
    margin: 0 auto;
}

/* --- Features Detail --- */
.feature-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    margin-bottom: 6rem;
}

.feature-row.reverse {
    direction: rtl;
}

.feature-row.reverse > * {
    direction: ltr;
}

.feature-row:last-child {
    margin-bottom: 0;
}

.feature-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.feature-terminal {
    width: 100%;
    max-width: 500px;
}

.feature-ascii {
    background: var(--bg-terminal);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-accent);
    line-height: 1.4;
    overflow-x: auto;
}

.feature-text {
    max-width: 500px;
}

.feature-tag {
    display: inline-block;
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 900;
    color: var(--text-muted);
    opacity: 0.2;
    line-height: 1;
    margin-bottom: 0.5rem;
}

.feature-text h2 {
    font-family: var(--font-display);
    font-size: 2rem;
    margin-bottom: 1rem;
}

.feature-text p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.feature-list {
    list-style: none;
}

.feature-list li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.feature-list li i {
    color: var(--text-accent);
    font-size: 1rem;
}

/* --- Feature Animation --- */
.feature-animation {
    background: var(--bg-terminal);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2rem;
    width: 100%;
    max-width: 400px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
}

.spinner-demo {
    position: relative;
    width: 80px;
    height: 80px;
}

.spinner-ring {
    position: absolute;
    border-radius: 50%;
    border: 3px solid transparent;
    border-top-color: var(--text-accent);
    animation: spin 1s linear infinite;
}

.spinner-ring:nth-child(1) {
    width: 80px;
    height: 80px;
    top: 0;
    left: 0;
    border-top-color: var(--text-accent);
    animation-duration: 1s;
}

.spinner-ring:nth-child(2) {
    width: 60px;
    height: 60px;
    top: 10px;
    left: 10px;
    border-top-color: var(--text-accent-2);
    animation-duration: 1.5s;
    animation-direction: reverse;
}

.spinner-ring:nth-child(3) {
    width: 40px;
    height: 40px;
    top: 20px;
    left: 20px;
    border-top-color: var(--text-accent-3);
    animation-duration: 2s;
}

.typing-demo {
    font-family: var(--font-mono);
    color: var(--text-accent-2);
    font-size: 0.9rem;
}

.progress-demo {
    width: 100%;
}

.progress-track {
    height: 6px;
    background: var(--bg-secondary);
    border-radius: 3px;
    overflow: hidden;
    margin-bottom: 0.5rem;
}

.progress-fill {
    height: 100%;
    background: var(--gradient-1);
    border-radius: 3px;
    transition: width 2s ease;
}

.progress-text {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* --- Shield Animation --- */
.feature-shield {
    position: relative;
    width: 150px;
    height: 150px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.shield-ring {
    position: absolute;
    border-radius: 50%;
    border: 2px solid var(--text-accent);
    opacity: 0.3;
}

.ring-1 {
    width: 150px;
    height: 150px;
    animation: pulse-ring 3s infinite;
}

.ring-2 {
    width: 120px;
    height: 120px;
    animation: pulse-ring 3s infinite 0.5s;
}

.ring-3 {
    width: 90px;
    height: 90px;
    animation: pulse-ring 3s infinite 1s;
}

.shield-icon {
    font-size: 2.5rem;
    color: var(--text-accent);
    z-index: 1;
}

/* --- Log Window --- */
.feature-log {
    width: 100%;
    max-width: 450px;
}

.log-window {
    background: var(--bg-terminal);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
}

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

.log-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.log-dot.red { background: #ff5f56; }
.log-dot.yellow { background: #ffbd2e; }
.log-dot.green { background: #27c93f; }

.log-title {
    margin-left: 0.5rem;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-muted);
}

.log-body {
    padding: 1rem;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    line-height: 1.8;
}

.log-line {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.log-time {
    color: var(--text-muted);
    min-width: 60px;
}

.log-level {
    padding: 0.1rem 0.4rem;
    border-radius: 3px;
    font-size: 0.65rem;
    font-weight: 700;
    min-width: 55px;
    text-align: center;
}

.log-level.info {
    background: rgba(0, 212, 255, 0.15);
    color: var(--text-accent-2);
}

.log-level.success {
    background: rgba(0, 255, 136, 0.15);
    color: var(--text-accent);
}

.log-level.warn {
    background: rgba(255, 217, 61, 0.15);
    color: var(--text-accent-4);
}

/* --- Feature Cards Grid --- */
.feature-cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.5rem;
}

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

.feature-card:hover {
    transform: translateY(-5px);
    border-color: var(--text-accent);
    box-shadow: var(--shadow-glow);
}

.feature-card-icon {
    width: 50px;
    height: 50px;
    background: rgba(0, 255, 136, 0.1);
    border: 1px solid rgba(0, 255, 136, 0.3);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    color: var(--text-accent);
    margin-bottom: 1.25rem;
}

.feature-card h3 {
    font-size: 1.1rem;
    margin-bottom: 0.75rem;
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
}

/* --- Commands Section --- */
.steps-container {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: 1.5rem;
    flex-wrap: wrap;
    margin-bottom: 4rem;
}

.step-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2rem;
    flex: 1;
    min-width: 280px;
    max-width: 350px;
    text-align: center;
    transition: var(--transition-medium);
    position: relative;
}

.step-card:hover {
    transform: translateY(-5px);
    border-color: var(--text-accent);
    box-shadow: var(--shadow-glow);
}

.step-number {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 30px;
    height: 30px;
    background: var(--gradient-1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.875rem;
    color: var(--bg-primary);
}

.step-icon {
    width: 60px;
    height: 60px;
    background: rgba(0, 255, 136, 0.1);
    border: 1px solid rgba(0, 255, 136, 0.3);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--text-accent);
    margin: 0.5rem auto 1.5rem;
}

.step-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

.step-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
}

.step-arrow {
    display: flex;
    align-items: center;
    color: var(--text-accent);
    font-size: 1.5rem;
    padding-top: 3rem;
}

.one-liner-section {
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.one-liner-section h3 {
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
}

.one-liner-section p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.command-block-large {
    max-width: 100%;
}

/* --- Command Blocks --- */
.command-block {
    background: var(--bg-terminal);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
    position: relative;
}

.command-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 1rem;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
}

.command-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.8rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
}

.command-code {
    padding: 1rem;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    line-height: 1.5;
    overflow-x: auto;
    color: var(--text-primary);
    background: transparent;
    border: none;
    margin: 0;
}

.command-code code {
    color: var(--text-accent);
    background: transparent;
    padding: 0;
    font-family: inherit;
}

.command-block .copy-btn {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-muted);
    padding: 0.4rem 0.75rem;
    border-radius: 4px;
    cursor: pointer;
    transition: var(--transition-fast);
    font-size: 0.8rem;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.command-block .copy-btn:hover {
    border-color: var(--text-accent);
    color: var(--text-accent);
    background: rgba(0, 255, 136, 0.1);
}

.command-item {
    margin-bottom: 1rem;
}

.command-item:last-child {
    margin-bottom: 0;
}

.command-desc {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.command-item .command-block {
    display: flex;
    align-items: center;
}

.command-item .command-block pre {
    flex: 1;
    padding: 0.75rem 1rem;
}

.command-item .command-block .copy-btn {
    border: none;
    border-left: 1px solid var(--border-color);
    border-radius: 0;
    padding: 0.75rem 1rem;
    height: 100%;
}

/* --- Commands Grid --- */
.commands-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
}

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

.command-category h3 {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.command-category h3 i {
    color: var(--text-accent);
}

.command-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

/* --- Terminal Demo Section --- */
.terminal-demo-section {
    padding: 4rem 0;
}

.terminal-wrapper {
    max-width: 1000px;
    margin: 0 auto;
}

/* --- Contact Section --- */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}

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

.contact-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.75rem;
    transition: var(--transition-medium);
}

.contact-card:hover {
    border-color: var(--text-accent);
    transform: translateX(5px);
}

.contact-card-icon {
    width: 50px;
    height: 50px;
    background: rgba(0, 255, 136, 0.1);
    border: 1px solid rgba(0, 255, 136, 0.3);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    color: var(--text-accent);
    margin-bottom: 1rem;
}

.contact-card h3 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.contact-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.contact-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--bg-terminal);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 0.75rem 1rem;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    transition: var(--transition-fast);
}

.contact-link:hover {
    border-color: var(--text-accent);
    background: rgba(0, 255, 136, 0.05);
}

.contact-stats {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.contact-stat {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.contact-stat i {
    color: var(--text-accent-4);
}

.contact-main {
    border-color: var(--text-accent);
    background: linear-gradient(135deg, rgba(0, 255, 136, 0.05) 0%, var(--bg-card) 100%);
}

/* --- Contact Form --- */
.contact-form-wrapper {
    position: sticky;
    top: 100px;
}

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

.contact-form-card h3 {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.contact-form-card h3 i {
    color: var(--text-accent);
}

.contact-form-card > p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.form-group label i {
    color: var(--text-accent);
    font-size: 0.85rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    background: var(--bg-terminal);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 0.75rem 1rem;
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 0.95rem;
    transition: var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--text-accent);
    box-shadow: 0 0 0 3px rgba(0, 255, 136, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
}

.form-group select {
    cursor: pointer;
}

.form-group select option {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.form-note {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    margin-top: 1.5rem;
    padding: 1rem;
    background: rgba(0, 212, 255, 0.05);
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: 8px;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.form-note i {
    color: var(--text-accent-2);
    margin-top: 2px;
}

.form-note a {
    color: var(--text-accent-2);
}

/* --- Community Section --- */
.community-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

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

.community-card:hover {
    transform: translateY(-5px);
    border-color: var(--text-accent);
    box-shadow: var(--shadow-glow);
}

.community-icon {
    width: 60px;
    height: 60px;
    background: rgba(0, 255, 136, 0.1);
    border: 1px solid rgba(0, 255, 136, 0.3);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--text-accent);
    margin: 0 auto 1.5rem;
}

.community-card h3 {
    font-size: 1.1rem;
    margin-bottom: 0.75rem;
}

.community-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

/* --- Responsive --- */
@media (max-width: 992px) {
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .footer-brand {
        max-width: 100%;
    }

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

    .feature-row.reverse {
        direction: ltr;
    }

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

    .contact-form-wrapper {
        position: static;
    }

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

    .step-arrow {
        display: none;
    }

    .steps-container {
        flex-direction: column;
        align-items: center;
    }

    .step-card {
        max-width: 100%;
        width: 100%;
    }
}

@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 70%;
        max-width: 300px;
        height: 100vh;
        background: var(--bg-secondary);
        flex-direction: column;
        padding: 5rem 2rem 2rem;
        transition: var(--transition-medium);
        border-left: 1px solid var(--border-color);
        gap: 1.5rem;
    }

    .nav-menu.active {
        right: 0;
    }

    .nav-link {
        font-size: 1.1rem;
    }

    .hero {
        padding: 7rem 1.5rem 3rem;
    }

    .hero-stats {
        gap: 1.5rem;
    }

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

    .section {
        padding: 4rem 0;
    }

    .container {
        padding: 0 1.5rem;
    }

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

    .tools-grid {
        grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    }

    .benefits-grid,
    .modes-grid,
    .feature-cards-grid {
        grid-template-columns: 1fr;
    }

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

    .btn {
        width: 100%;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .footer-links {
        grid-template-columns: 1fr;
    }

    .hero-title {
        font-size: 2rem;
    }

    .page-title {
        font-size: 2rem;
    }

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

    .command-category {
        padding: 1.5rem;
    }
}

/* --- Scrollbar --- */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* --- Selection --- */
::selection {
    background: rgba(0, 255, 136, 0.3);
    color: var(--text-primary);
}


/* =============================================================================
   THEME SWITCHING - LIGHT/DARK MODE
   ============================================================================= */

/* --- CSS Variables for Light Theme --- */
:root {
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-card: #16161f;
    --bg-card-hover: #1e1e2e;
    --bg-terminal: #0d0d12;
    --border-color: #2a2a3a;
    --border-glow: #00ff88;

    --text-primary: #e0e0e0;
    --text-secondary: #a0a0b0;
    --text-muted: #6a6a7a;
    --text-accent: #00ff88;
    --text-accent-2: #00d4ff;
    --text-accent-3: #ff6b6b;
    --text-accent-4: #ffd93d;

    --gradient-1: linear-gradient(135deg, #00ff88 0%, #00d4ff 100%);
    --gradient-2: linear-gradient(135deg, #ff6b6b 0%, #ffd93d 100%);
    --gradient-3: linear-gradient(135deg, #00d4ff 0%, #7b2cbf 100%);

    --shadow-glow: 0 0 20px rgba(0, 255, 136, 0.3);
    --shadow-glow-blue: 0 0 20px rgba(0, 212, 255, 0.3);
    --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.4);

    --theme-transition: background-color 0.4s ease, color 0.4s ease, border-color 0.4s ease, box-shadow 0.4s ease;
}

/* --- Light Theme Variables --- */
[data-theme="light"] {
    --bg-primary: #f5f7fa;
    --bg-secondary: #ffffff;
    --bg-card: #ffffff;
    --bg-card-hover: #f0f4f8;
    --bg-terminal: #1e1e2e;
    --border-color: #e2e8f0;
    --border-glow: #00a86b;

    --text-primary: #1a202c;
    --text-secondary: #4a5568;
    --text-muted: #a0aec0;
    --text-accent: #00a86b;
    --text-accent-2: #0077b6;
    --text-accent-3: #e53e3e;
    --text-accent-4: #d69e2e;

    --gradient-1: linear-gradient(135deg, #00a86b 0%, #0077b6 100%);
    --gradient-2: linear-gradient(135deg, #e53e3e 0%, #d69e2e 100%);
    --gradient-3: linear-gradient(135deg, #0077b6 0%, #6b21a8 100%);

    --shadow-glow: 0 0 20px rgba(0, 168, 107, 0.2);
    --shadow-glow-blue: 0 0 20px rgba(0, 119, 182, 0.2);
    --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.08);
}

/* Apply theme transitions to all elements */
*, *::before, *::after {
    transition: var(--theme-transition);
}

/* --- Theme Toggle Button --- */
.theme-toggle {
    position: fixed;
    top: 100px;
    right: 25px;
    z-index: 9999;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    border: 2px solid var(--border-color);
    background: var(--bg-card);
    color: var(--text-accent);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    box-shadow: var(--shadow-card);
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.theme-toggle:hover {
    transform: scale(1.1) rotate(15deg);
    border-color: var(--text-accent);
    box-shadow: var(--shadow-glow);
}

.theme-toggle:active {
    transform: scale(0.95);
}

.theme-toggle .icon-sun,
.theme-toggle .icon-moon {
    position: absolute;
    transition: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

.theme-toggle .icon-sun {
    opacity: 0;
    transform: rotate(-90deg) scale(0);
}

.theme-toggle .icon-moon {
    opacity: 1;
    transform: rotate(0) scale(1);
}

[data-theme="light"] .theme-toggle .icon-sun {
    opacity: 1;
    transform: rotate(0) scale(1);
}

[data-theme="light"] .theme-toggle .icon-moon {
    opacity: 0;
    transform: rotate(90deg) scale(0);
}

/* --- Light Theme Specific Adjustments --- */
[data-theme="light"] .navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    border-bottom: 1px solid var(--border-color);
}

[data-theme="light"] .hero {
    background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
}

[data-theme="light"] .cta-section {
    background: linear-gradient(180deg, var(--bg-primary) 0%, rgba(0, 168, 107, 0.03) 50%, var(--bg-primary) 100%);
}

[data-theme="light"] .footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
}

[data-theme="light"] .terminal-window {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

[data-theme="light"] .terminal-header {
    background: #2d2d3a;
}

[data-theme="light"] .terminal-body {
    background: #1e1e2e;
}

[data-theme="light"] .command-block {
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
}

[data-theme="light"] .command-header {
    background: #f8fafc;
}

[data-theme="light"] .page-hero {
    background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
}

[data-theme="light"] .back-to-top {
    background: var(--bg-card);
    border: 2px solid var(--border-color);
}

[data-theme="light"] .toast {
    background: var(--bg-card);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

[data-theme="light"] .nav-github {
    background: rgba(0, 168, 107, 0.1);
    border: 1px solid var(--text-accent);
    color: var(--text-accent);
}

[data-theme="light"] .nav-github:hover {
    background: var(--text-accent);
    color: #ffffff;
}

[data-theme="light"] .hero-badge {
    background: rgba(0, 168, 107, 0.1);
    border: 1px solid rgba(0, 168, 107, 0.3);
    color: var(--text-accent);
}

[data-theme="light"] .section-tag {
    background: rgba(0, 119, 182, 0.1);
    border: 1px solid rgba(0, 119, 182, 0.3);
    color: var(--text-accent-2);
}

[data-theme="light"] .page-tag {
    background: rgba(0, 119, 182, 0.1);
    border: 1px solid rgba(0, 119, 182, 0.3);
    color: var(--text-accent-2);
}

[data-theme="light"] .benefit-icon {
    background: rgba(0, 168, 107, 0.1);
    border: 1px solid rgba(0, 168, 107, 0.3);
}

[data-theme="light"] .mode-icon {
    background: rgba(0, 168, 107, 0.1);
    border: 1px solid rgba(0, 168, 107, 0.3);
}

[data-theme="light"] .feature-card-icon {
    background: rgba(0, 168, 107, 0.1);
    border: 1px solid rgba(0, 168, 107, 0.3);
}

[data-theme="light"] .community-icon {
    background: rgba(0, 168, 107, 0.1);
    border: 1px solid rgba(0, 168, 107, 0.3);
}

[data-theme="light"] .contact-card-icon {
    background: rgba(0, 168, 107, 0.1);
    border: 1px solid rgba(0, 168, 107, 0.3);
}

[data-theme="light"] .step-icon {
    background: rgba(0, 168, 107, 0.1);
    border: 1px solid rgba(0, 168, 107, 0.3);
}

[data-theme="light"] .tool-item:hover {
    background: var(--bg-card-hover);
}

[data-theme="light"] .tool-tab.active {
    background: rgba(0, 168, 107, 0.1);
    border-color: var(--text-accent);
    color: var(--text-accent);
}

[data-theme="light"] .tag {
    background: rgba(0, 119, 182, 0.1);
    border: 1px solid rgba(0, 119, 182, 0.3);
    color: var(--text-accent-2);
}

[data-theme="light"] .contact-link {
    background: var(--bg-terminal);
    color: var(--text-primary);
}

[data-theme="light"] .contact-link:hover {
    border-color: var(--text-accent);
}

[data-theme="light"] .form-note {
    background: rgba(0, 119, 182, 0.05);
    border: 1px solid rgba(0, 119, 182, 0.2);
}

[data-theme="light"] .log-window {
    background: #1e1e2e;
    border: 1px solid #2d2d3a;
}

[data-theme="light"] .log-header {
    background: #2d2d3a;
}

[data-theme="light"] .log-body {
    color: #e0e0e0;
}

[data-theme="light"] .feature-terminal {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

[data-theme="light"] .feature-ascii {
    background: #1e1e2e;
    border: 1px solid #2d2d3a;
    color: #00ff88;
}

[data-theme="light"] .feature-animation {
    background: #1e1e2e;
    border: 1px solid #2d2d3a;
}

[data-theme="light"] .feature-log {
    background: transparent;
}

[data-theme="light"] .spinner-demo .spinner-ring {
    border-top-color: var(--text-accent);
}

[data-theme="light"] .typing-demo {
    color: var(--text-accent-2);
}

[data-theme="light"] .progress-track {
    background: #e2e8f0;
}

[data-theme="light"] .progress-fill {
    background: var(--gradient-1);
}

[data-theme="light"] .progress-text {
    color: var(--text-muted);
}

[data-theme="light"] .shield-ring {
    border-color: var(--text-accent);
}

[data-theme="light"] .shield-icon {
    color: var(--text-accent);
}

[data-theme="light"] .mode-number {
    color: var(--text-muted);
}

[data-theme="light"] .feature-tag {
    color: var(--text-muted);
}

[data-theme="light"] .stat-number {
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

[data-theme="light"] .stat-suffix {
    color: var(--text-accent);
}

[data-theme="light"] .scroll-mouse {
    border-color: var(--text-muted);
}

[data-theme="light"] .scroll-wheel {
    background: var(--text-accent);
}

[data-theme="light"] .command-label {
    color: var(--text-muted);
}

[data-theme="light"] .command-code {
    color: var(--text-primary);
}

[data-theme="light"] .command-code code {
    color: var(--text-accent);
}

[data-theme="light"] .terminal-prompt {
    color: var(--text-accent);
}

[data-theme="light"] .terminal-command {
    color: var(--text-primary);
}

[data-theme="light"] .terminal-success {
    color: #00a86b;
}

[data-theme="light"] .terminal-info {
    color: var(--text-accent-2);
}

[data-theme="light"] .terminal-loading {
    color: var(--text-accent-4);
}

[data-theme="light"] .terminal-menu-line {
    color: var(--text-accent-3);
}

[data-theme="light"] .terminal-menu-num {
    color: var(--text-accent-4);
}

[data-theme="light"] .terminal-menu-text {
    color: var(--text-primary);
}

[data-theme="light"] .terminal-section {
    color: var(--text-accent-3);
}

[data-theme="light"] .terminal-type {
    color: var(--text-accent-2);
}

[data-theme="light"] .terminal-cursor {
    color: var(--text-accent);
}

[data-theme="light"] .cta-code {
    background: var(--bg-terminal);
    border: 1px solid var(--border-color);
}

[data-theme="light"] .cta-code code {
    color: var(--text-accent);
}

[data-theme="light"] ::selection {
    background: rgba(0, 168, 107, 0.2);
    color: var(--text-primary);
}

[data-theme="light"] ::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

[data-theme="light"] ::-webkit-scrollbar-thumb {
    background: #cbd5e0;
}

[data-theme="light"] ::-webkit-scrollbar-thumb:hover {
    background: #a0aec0;
}

/* Smooth theme transition for body */
body {
    transition: background-color 0.5s ease, color 0.5s ease;
}

/* Prevent transition on page load - add class after load */
body.no-transition *,
body.no-transition *::before,
body.no-transition *::after {
    transition: none !important;
}