/* ===================================
   CLAUDE AI PLUGIN - FUTURISTIC DARK THEME
   =================================== */

/* CSS Variables */
:root {
    /* Colors */
    --primary: #00f0ff;
    --primary-dark: #00b8cc;
    --secondary: #ff006e;
    --accent: #8338ec;
    --success: #06ffa5;

    --bg-dark: #0a0a0f;
    --bg-darker: #050508;
    --bg-card: #1a1a2e;
    --bg-card-hover: #252538;

    --text-primary: #ffffff;
    --text-secondary: #b3b3b3;
    --text-muted: #666677;

    --border-color: #2a2a3e;
    --border-glow: rgba(0, 240, 255, 0.3);

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    --gradient-secondary: linear-gradient(135deg, var(--secondary) 0%, var(--accent) 100%);
    --gradient-radial: radial-gradient(circle at 50% 50%, rgba(0, 240, 255, 0.1) 0%, transparent 50%);

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;

    /* Typography */
    --font-primary: 'Rajdhani', sans-serif;
    --font-display: 'Orbitron', sans-serif;

    /* Effects */
    --transition-speed: 0.3s;
    --transition-timing: cubic-bezier(0.4, 0, 0.2, 1);
    --shadow-glow: 0 0 20px rgba(0, 240, 255, 0.5);
    --shadow-card: 0 10px 40px rgba(0, 0, 0, 0.5);
}

/* ===================================
   RESET & BASE STYLES
   =================================== */

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

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body {
    font-family: var(--font-primary);
    background-color: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

/* Selection */
::selection {
    background: var(--primary);
    color: var(--bg-dark);
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--primary-dark);
    border-radius: 5px;
}

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

/* ===================================
   ANIMATED BACKGROUND
   =================================== */

.bg-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
    pointer-events: none;
}

.grid-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        linear-gradient(rgba(0, 240, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 240, 255, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: gridMove 20s linear infinite;
}

@keyframes gridMove {
    0% { transform: translateY(0); }
    100% { transform: translateY(50px); }
}

.particles {
    position: absolute;
    width: 100%;
    height: 100%;
}

/* ===================================
   TYPOGRAPHY
   =================================== */

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.2;
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: all var(--transition-speed) var(--transition-timing);
}

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

/* ===================================
   UTILITIES
   =================================== */

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

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.section-title {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    text-transform: uppercase;
    letter-spacing: 3px;
}

.title-line {
    width: 60px;
    height: 3px;
    background: var(--gradient-primary);
}

.section-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
}

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

.highlight {
    color: var(--primary);
}

/* ===================================
   BUTTONS
   =================================== */

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    border: 2px solid;
    border-radius: 0;
    cursor: pointer;
    transition: all var(--transition-speed) var(--transition-timing);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    transition: left 0.5s var(--transition-timing);
    z-index: -1;
}

.btn:hover::before {
    left: 0;
}

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

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

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

.btn-secondary:hover {
    background: rgba(0, 240, 255, 0.1);
    box-shadow: 0 0 20px rgba(0, 240, 255, 0.3);
}

.btn-large {
    padding: 1.25rem 2.5rem;
    font-size: 1.1rem;
}

.btn-icon {
    width: 20px;
    height: 20px;
}

.btn-icon-left {
    width: 24px;
    height: 24px;
    margin-right: 0.5rem;
}

.btn-icon-right {
    width: 20px;
    height: 20px;
    margin-left: 0.5rem;
}

/* ===================================
   NAVIGATION
   =================================== */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 1.5rem 0;
    background: rgba(10, 10, 15, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    transition: all var(--transition-speed) var(--transition-timing);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 900;
}

.logo-icon {
    color: var(--primary);
    font-size: 1.75rem;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.7; transform: scale(0.95); }
}

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

.nav-links a {
    color: var(--text-secondary);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.9rem;
}

.nav-links a:hover {
    color: var(--primary);
}

.btn-nav {
    padding: 0.75rem 1.5rem;
    background: var(--gradient-primary);
    color: var(--bg-dark);
    border-radius: 0;
    font-weight: 700;
}

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

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 0.25rem;
    cursor: pointer;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 2px;
    background: var(--primary);
    transition: all 0.3s;
}

/* ===================================
   HERO SECTION
   =================================== */

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: calc(var(--spacing-xl) + 60px) 0 var(--spacing-xl);
    position: relative;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    max-width: 1400px;
    height: 100%;
    background: var(--gradient-radial);
    opacity: 0.5;
    pointer-events: none;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: rgba(0, 240, 255, 0.1);
    border: 1px solid var(--primary);
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 1px;
    margin-bottom: var(--spacing-md);
}

.pulse-dot {
    width: 8px;
    height: 8px;
    background: var(--success);
    border-radius: 50%;
    animation: pulseDot 2s ease-in-out infinite;
}

@keyframes pulseDot {
    0%, 100% { opacity: 1; transform: scale(1); box-shadow: 0 0 0 0 var(--success); }
    50% { opacity: 0.7; transform: scale(0.9); box-shadow: 0 0 0 10px transparent; }
}

.hero-title {
    font-size: 4.5rem;
    line-height: 1.1;
    margin-bottom: var(--spacing-sm);
    display: flex;
    flex-direction: column;
}

.glitch {
    position: relative;
    display: inline-block;
    font-size: 3rem;
    color: var(--text-primary);
}

.glitch::before,
.glitch::after {
    content: attr(data-text);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.glitch::before {
    left: 2px;
    text-shadow: -2px 0 var(--secondary);
    animation: glitch-1 2s infinite;
}

.glitch::after {
    left: -2px;
    text-shadow: -2px 0 var(--primary);
    animation: glitch-2 2s infinite;
}

@keyframes glitch-1 {
    0%, 100% { clip: rect(0, 900px, 0, 0); }
    10% { clip: rect(20px, 900px, 80px, 0); }
    20% { clip: rect(40px, 900px, 60px, 0); }
    30% { clip: rect(60px, 900px, 40px, 0); }
    40% { clip: rect(80px, 900px, 20px, 0); }
    50% { clip: rect(100px, 900px, 0, 0); }
}

@keyframes glitch-2 {
    0%, 100% { clip: rect(0, 900px, 0, 0); }
    15% { clip: rect(30px, 900px, 70px, 0); }
    25% { clip: rect(50px, 900px, 50px, 0); }
    35% { clip: rect(70px, 900px, 30px, 0); }
    45% { clip: rect(90px, 900px, 10px, 0); }
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    max-width: 600px;
}

.highlight-line {
    display: block;
    color: var(--primary);
    font-weight: 600;
    margin-top: 0.5rem;
}

.hero-stats {
    display: flex;
    gap: var(--spacing-md);
    margin: var(--spacing-md) 0;
}

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

.stat-number {
    font-size: 3rem;
    font-family: var(--font-display);
    font-weight: 900;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: 0.5rem;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

.hero-note {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.note-icon {
    color: var(--success);
    font-size: 1.25rem;
}

/* Terminal Window */
.terminal-window {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-card), 0 0 30px rgba(0, 240, 255, 0.2);
    overflow: hidden;
}

.terminal-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem;
    background: rgba(0, 0, 0, 0.3);
    border-bottom: 1px solid var(--border-color);
}

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

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

.terminal-title {
    flex: 1;
    text-align: center;
    font-size: 0.875rem;
    color: var(--text-muted);
}

.terminal-body {
    padding: 2rem;
    font-family: 'Courier New', monospace;
    font-size: 1rem;
}

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

.prompt {
    color: var(--success);
    font-weight: bold;
}

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

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

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

/* ===================================
   FEATURES SECTION
   =================================== */

.features {
    padding: var(--spacing-xl) 0;
    background: var(--bg-darker);
}

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

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: var(--spacing-md);
    transition: all var(--transition-speed) var(--transition-timing);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform var(--transition-speed) var(--transition-timing);
}

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

.feature-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--primary);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 240, 255, 0.2);
}

.feature-icon {
    width: 60px;
    height: 60px;
    margin-bottom: var(--spacing-sm);
}

.feature-icon svg {
    width: 100%;
    height: 100%;
    stroke: var(--primary);
}

.feature-title {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
}

.feature-description {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
}

.feature-list {
    list-style: none;
    margin-bottom: var(--spacing-sm);
}

.feature-list li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.feature-list li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--primary);
}

.feature-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: rgba(0, 240, 255, 0.1);
    border: 1px solid var(--primary);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ===================================
   HOW IT WORKS
   =================================== */

.how-it-works {
    padding: var(--spacing-xl) 0;
}

.workflow-steps {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1400px;
    margin: 0 auto;
}

.workflow-step {
    flex: 1;
    text-align: center;
    padding: var(--spacing-md);
}

.step-number {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-family: var(--font-display);
    font-weight: 900;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    border: 2px solid var(--primary);
    border-radius: 50%;
    position: relative;
}

.step-number::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    border: 2px solid var(--primary);
    border-radius: 50%;
    animation: ping 2s cubic-bezier(0, 0, 0.2, 1) infinite;
}

@keyframes ping {
    75%, 100% {
        transform: scale(1.5);
        opacity: 0;
    }
}

.step-content h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.step-content p {
    color: var(--text-secondary);
    font-size: 1rem;
}

.workflow-connector {
    width: 50px;
    height: 2px;
    background: var(--gradient-primary);
    position: relative;
}

.workflow-connector::after {
    content: '→';
    position: absolute;
    right: -10px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--primary);
    font-size: 1.5rem;
}

/* ===================================
   SHOWCASE SECTION
   =================================== */

.showcase {
    padding: var(--spacing-xl) 0;
    background: var(--bg-darker);
}

.showcase-grid {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.showcase-item {
    display: grid;
    grid-template-columns: 2fr auto 2fr;
    gap: var(--spacing-md);
    align-items: center;
}

.showcase-code,
.showcase-result {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    overflow: hidden;
}

.code-header,
.result-header {
    padding: 0.75rem 1.25rem;
    background: rgba(0, 0, 0, 0.3);
    border-bottom: 1px solid var(--border-color);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--primary);
}

.showcase-code pre {
    padding: 1.5rem;
    margin: 0;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    line-height: 1.6;
    color: var(--text-secondary);
}

.result-content {
    padding: 1.5rem;
}

.result-content p {
    padding: 0.5rem 0;
    color: var(--text-secondary);
}

.result-content p::before {
    margin-right: 0.5rem;
}

.showcase-arrow {
    font-size: 2rem;
    color: var(--primary);
    font-weight: bold;
}

/* ===================================
   STATS SECTION
   =================================== */

.stats-section {
    padding: var(--spacing-lg) 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
}

.stat-box {
    text-align: center;
    padding: var(--spacing-md);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    transition: all var(--transition-speed) var(--transition-timing);
}

.stat-box:hover {
    border-color: var(--primary);
    box-shadow: 0 0 20px rgba(0, 240, 255, 0.2);
}

.stat-value {
    font-size: 4rem;
    font-family: var(--font-display);
    font-weight: 900;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1;
}

.stat-label {
    font-size: 1rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: var(--spacing-sm);
}

/* ===================================
   DOWNLOAD SECTION
   =================================== */

.download {
    padding: var(--spacing-xl) 0;
    background: var(--bg-card);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.download::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(0, 240, 255, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

.download-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.download-title {
    font-size: 3.5rem;
    margin-bottom: var(--spacing-sm);
}

.download-subtitle {
    font-size: 1.5rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

.download-features {
    list-style: none;
    margin: var(--spacing-md) 0;
    display: inline-block;
    text-align: left;
}

.download-features li {
    padding: 0.75rem 0;
    font-size: 1.125rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.check-icon {
    color: var(--success);
    font-weight: bold;
}

.download-buttons {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    margin: var(--spacing-md) 0;
}

.btn-download {
    background: var(--gradient-primary);
    border-color: var(--primary);
    color: var(--bg-dark);
    padding: 1.5rem 3rem;
    font-size: 1.25rem;
}

.btn-download:hover {
    box-shadow: 0 0 40px rgba(0, 240, 255, 0.6);
    transform: translateY(-3px);
}

.btn-docs {
    background: transparent;
    border-color: var(--primary);
    color: var(--primary);
    padding: 1.5rem 3rem;
    font-size: 1.25rem;
}

.download-note {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-top: var(--spacing-md);
}

.download-note a {
    color: var(--primary);
    text-decoration: underline;
}

/* ===================================
   DOCUMENTATION SECTION
   =================================== */

.documentation {
    padding: var(--spacing-xl) 0;
}

.docs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.doc-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: var(--spacing-md);
    text-align: center;
    transition: all var(--transition-speed) var(--transition-timing);
    display: block;
}

.doc-card:hover {
    border-color: var(--primary);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 240, 255, 0.2);
}

.doc-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
}

.doc-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

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

/* ===================================
   FOOTER
   =================================== */

.footer {
    background: var(--bg-darker);
    border-top: 1px solid var(--border-color);
    padding: var(--spacing-lg) 0 var(--spacing-md);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 3fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

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

.footer-social {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-sm);
}

.footer-social a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    transition: all var(--transition-speed) var(--transition-timing);
}

.footer-social a:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: rgba(0, 240, 255, 0.1);
}

.footer-social svg {
    width: 20px;
    height: 20px;
}

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

.footer-column h4 {
    font-size: 1rem;
    margin-bottom: var(--spacing-sm);
    text-transform: uppercase;
    letter-spacing: 1px;
}

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

.footer-column ul li {
    margin-bottom: 0.5rem;
}

.footer-column ul li a {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.footer-column ul li a:hover {
    color: var(--primary);
}

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

.footer-bottom p {
    margin: 0.5rem 0;
}

/* ===================================
   BACK TO TOP
   =================================== */

.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background: var(--primary);
    border: none;
    color: var(--bg-dark);
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-speed) var(--transition-timing);
    z-index: 999;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background: var(--primary-dark);
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(0, 240, 255, 0.5);
}

.back-to-top svg {
    width: 24px;
    height: 24px;
}

/* ===================================
   RESPONSIVE DESIGN
   =================================== */

@media (max-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-title {
        font-size: 3.5rem;
    }

    .hero-subtitle {
        margin: 0 auto var(--spacing-md);
    }

    .hero-stats {
        justify-content: center;
    }

    .hero-cta {
        justify-content: center;
    }

    .hero-visual {
        order: -1;
    }

    .workflow-steps {
        flex-direction: column;
    }

    .workflow-connector {
        width: 2px;
        height: 50px;
        transform: rotate(90deg);
    }

    .workflow-connector::after {
        transform: rotate(-90deg) translateX(-50%);
    }

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

@media (max-width: 768px) {
    .section-title {
        font-size: 2rem;
    }

    .nav-links {
        display: none;
    }

    .mobile-menu-toggle {
        display: flex;
    }

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

    .glitch {
        font-size: 2rem;
    }

    .hero-stats {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

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

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

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

    .showcase-item {
        grid-template-columns: 1fr;
    }

    .showcase-arrow {
        transform: rotate(90deg);
        text-align: center;
    }

    .download-title {
        font-size: 2.5rem;
    }

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

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

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

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

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

    .step-number {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }
}