/*
Theme Name: AliveClaw
Theme URI: https://aliveclaw.com
Description: A sentience-first agent framework theme. Cyberpunk neon design for presenting architectural documentation and technical content.
Version: 2.0
Author: AliveClaw Team
Author URI: https://aliveclaw.com
License: MIT
Text Domain: aliveclaw
*/

/* ===========================
   CSS Reset & Base Styles
   =========================== */

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

:root {
    /* Cyberpunk Neon Colors */
    --neon-cyan: #00fff5;
    --neon-magenta: #ff00ff;
    --neon-green: #39ff14;
    --neon-pink: #ff2d6f;
    --neon-blue: #4d7cff;
    --neon-yellow: #fffc00;
    --neon-orange: #ff6a00;
    --neon-purple: #bf00ff;

    /* Backgrounds */
    --bg-void: #0a0a0f;
    --bg-dark: #0d0d1a;
    --bg-panel: #111127;
    --bg-card: #161633;
    --bg-card-hover: #1c1c40;
    --bg-surface: rgba(22, 22, 51, 0.8);

    /* Text */
    --text-primary: #e0e0ff;
    --text-secondary: #8888bb;
    --text-muted: #555580;
    --text-bright: #ffffff;

    /* Semantic */
    --success: #39ff14;
    --warning: #fffc00;
    --danger: #ff2d6f;

    /* Typography */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', 'SF Mono', Monaco, 'Cascadia Code', Consolas, monospace;
    --font-display: 'Orbitron', var(--font-sans);

    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    --space-2xl: 5rem;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;

    /* Glow Effects */
    --glow-cyan: 0 0 10px rgba(0, 255, 245, 0.3), 0 0 40px rgba(0, 255, 245, 0.1);
    --glow-magenta: 0 0 10px rgba(255, 0, 255, 0.3), 0 0 40px rgba(255, 0, 255, 0.1);
    --glow-green: 0 0 10px rgba(57, 255, 20, 0.3), 0 0 40px rgba(57, 255, 20, 0.1);
    --glow-pink: 0 0 10px rgba(255, 45, 111, 0.3), 0 0 40px rgba(255, 45, 111, 0.1);

    /* Neon Text Shadows */
    --text-glow-cyan: 0 0 7px rgba(0, 255, 245, 0.6), 0 0 20px rgba(0, 255, 245, 0.3), 0 0 40px rgba(0, 255, 245, 0.15);
    --text-glow-magenta: 0 0 7px rgba(255, 0, 255, 0.6), 0 0 20px rgba(255, 0, 255, 0.3), 0 0 40px rgba(255, 0, 255, 0.15);
    --text-glow-green: 0 0 7px rgba(57, 255, 20, 0.6), 0 0 20px rgba(57, 255, 20, 0.3), 0 0 40px rgba(57, 255, 20, 0.15);
}

body {
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--bg-void);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

/* Scanline overlay */
body::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 9999;
    background: repeating-linear-gradient(
        0deg,
        transparent,
        transparent 2px,
        rgba(0, 0, 0, 0.03) 2px,
        rgba(0, 0, 0, 0.03) 4px
    );
}

/* Selection color */
::selection {
    background: rgba(0, 255, 245, 0.3);
    color: var(--neon-cyan);
}

/* ===========================
   Typography
   =========================== */

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--space-md);
    color: var(--text-bright);
    letter-spacing: 0.02em;
    text-transform: uppercase;
}

h1 { font-size: 3rem; }
h2 { font-size: 2.25rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

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

a {
    color: var(--neon-cyan);
    text-decoration: none;
    transition: all 0.3s ease;
}

a:hover {
    color: var(--neon-magenta);
    text-shadow: var(--text-glow-magenta);
}

code {
    font-family: var(--font-mono);
    font-size: 0.875em;
    background: rgba(0, 255, 245, 0.08);
    padding: 0.2em 0.5em;
    border-radius: var(--radius-sm);
    color: var(--neon-cyan);
    border: 1px solid rgba(0, 255, 245, 0.15);
}

pre {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    background: var(--bg-void);
    color: var(--neon-green);
    padding: var(--space-md);
    border-radius: var(--radius-md);
    overflow-x: auto;
    margin-bottom: var(--space-md);
    border: 1px solid rgba(57, 255, 20, 0.15);
    box-shadow: inset 0 0 30px rgba(57, 255, 20, 0.03);
}

pre code {
    background: none;
    padding: 0;
    color: inherit;
    border: none;
}

/* ===========================
   Layout
   =========================== */

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

.container-wide {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

.container-narrow {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

/* ===========================
   Header & Navigation
   =========================== */

.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(10, 10, 15, 0.85);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0, 255, 245, 0.1);
    box-shadow: 0 1px 30px rgba(0, 255, 245, 0.05);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-sm) 0;
}

.site-logo {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 900;
    color: var(--neon-cyan);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    letter-spacing: 0.15em;
    text-transform: uppercase;
    text-shadow: var(--text-glow-cyan);
    transition: all 0.3s ease;
}

.site-logo:hover {
    color: var(--neon-magenta);
    text-shadow: var(--text-glow-magenta);
}

/* Logo glitch effect on hover */
.site-logo:hover span {
    animation: glitch-text 0.3s ease;
}

.site-navigation {
    display: flex;
    gap: var(--space-lg);
    align-items: center;
}

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

.nav-menu a {
    color: var(--text-secondary);
    font-family: var(--font-mono);
    font-weight: 500;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    transition: all 0.3s ease;
    position: relative;
    padding: 0.25rem 0;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--neon-cyan);
    box-shadow: 0 0 8px var(--neon-cyan);
    transition: width 0.3s ease;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--neon-cyan);
    text-shadow: var(--text-glow-cyan);
}

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

/* ===========================
   Hero Section
   =========================== */

.hero {
    position: relative;
    background: var(--bg-void);
    color: var(--text-bright);
    padding: var(--space-2xl) 0;
    text-align: center;
    overflow: hidden;
    min-height: 90vh;
    display: flex;
    align-items: center;
}

/* Animated grid background */
.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        linear-gradient(rgba(0, 255, 245, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 255, 245, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    animation: grid-scroll 20s linear infinite;
}

/* Radial glow */
.hero::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 800px;
    height: 800px;
    background: radial-gradient(ellipse, rgba(0, 255, 245, 0.08) 0%, rgba(191, 0, 255, 0.05) 40%, transparent 70%);
    pointer-events: none;
}

.hero .container {
    position: relative;
    z-index: 2;
}

#particles-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.hero h1 {
    color: var(--text-bright);
    font-size: 4rem;
    margin-bottom: var(--space-md);
    line-height: 1.1;
    text-shadow: var(--text-glow-cyan);
    position: relative;
}

.hero .subtitle {
    font-size: 1.35rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-xl);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    font-family: var(--font-mono);
    line-height: 1.8;
}

.hero .tagline {
    font-size: 0.9rem;
    color: var(--neon-magenta);
    margin-bottom: var(--space-lg);
    font-weight: 600;
    font-family: var(--font-mono);
    letter-spacing: 0.3em;
    text-transform: uppercase;
    text-shadow: var(--text-glow-magenta);
}

/* Terminal prompt style */
.terminal-prompt {
    font-family: var(--font-mono);
    color: var(--neon-green);
    font-size: 1rem;
    margin-bottom: var(--space-lg);
    text-shadow: var(--text-glow-green);
}

.terminal-prompt .cursor {
    display: inline-block;
    width: 10px;
    height: 1.2em;
    background: var(--neon-green);
    margin-left: 2px;
    animation: blink 1s infinite;
    vertical-align: text-bottom;
}

.cta-buttons {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    flex-wrap: wrap;
}

/* ===========================
   Buttons
   =========================== */

.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    border-radius: var(--radius-sm);
    font-family: var(--font-mono);
    font-weight: 600;
    font-size: 0.875rem;
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    transition: all 0.3s ease;
    cursor: pointer;
    border: 1px solid transparent;
    position: relative;
    overflow: hidden;
}

/* Hover sweep effect */
.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: left 0.5s ease;
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: transparent;
    color: var(--neon-cyan);
    border-color: var(--neon-cyan);
    box-shadow: var(--glow-cyan), inset 0 0 20px rgba(0, 255, 245, 0.05);
}

.btn-primary:hover {
    background: rgba(0, 255, 245, 0.1);
    color: var(--neon-cyan);
    box-shadow: 0 0 20px rgba(0, 255, 245, 0.4), 0 0 60px rgba(0, 255, 245, 0.2), inset 0 0 20px rgba(0, 255, 245, 0.1);
    transform: translateY(-2px);
}

.btn-secondary {
    background: transparent;
    color: var(--neon-magenta);
    border-color: var(--neon-magenta);
    box-shadow: var(--glow-magenta), inset 0 0 20px rgba(255, 0, 255, 0.05);
}

.btn-secondary:hover {
    background: rgba(255, 0, 255, 0.1);
    color: var(--neon-magenta);
    box-shadow: 0 0 20px rgba(255, 0, 255, 0.4), 0 0 60px rgba(255, 0, 255, 0.2), inset 0 0 20px rgba(255, 0, 255, 0.1);
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    color: var(--neon-green);
    border-color: var(--neon-green);
    box-shadow: var(--glow-green), inset 0 0 20px rgba(57, 255, 20, 0.05);
}

.btn-outline:hover {
    background: rgba(57, 255, 20, 0.1);
    color: var(--neon-green);
    box-shadow: 0 0 20px rgba(57, 255, 20, 0.4), 0 0 60px rgba(57, 255, 20, 0.2), inset 0 0 20px rgba(57, 255, 20, 0.1);
    transform: translateY(-2px);
}

/* ===========================
   Content Sections
   =========================== */

.section {
    padding: var(--space-2xl) 0;
    position: relative;
}

.section-light {
    background: var(--bg-dark);
}

.section-dark {
    background: var(--bg-void);
    color: var(--text-primary);
}

.section-dark h2,
.section-dark h3,
.section-dark h4 {
    color: var(--text-bright);
}

/* Neon divider between sections */
.section + .section {
    border-top: 1px solid rgba(0, 255, 245, 0.05);
}

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

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: var(--space-sm);
    color: var(--neon-cyan);
    text-shadow: var(--text-glow-cyan);
}

.section-header p {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto;
    font-family: var(--font-mono);
}

/* ===========================
   Cards & Boxes
   =========================== */

.card {
    background: var(--bg-card);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    border: 1px solid rgba(0, 255, 245, 0.08);
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

/* Corner accents on cards */
.card::before,
.card::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    transition: all 0.4s ease;
}

.card::before {
    top: 0;
    left: 0;
    border-top: 2px solid var(--neon-cyan);
    border-left: 2px solid var(--neon-cyan);
    opacity: 0;
}

.card::after {
    bottom: 0;
    right: 0;
    border-bottom: 2px solid var(--neon-magenta);
    border-right: 2px solid var(--neon-magenta);
    opacity: 0;
}

.card:hover {
    transform: translateY(-6px);
    border-color: rgba(0, 255, 245, 0.2);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4), var(--glow-cyan);
    background: var(--bg-card-hover);
}

.card:hover::before,
.card:hover::after {
    opacity: 1;
}

.card-title {
    font-family: var(--font-display);
    font-size: 1.25rem;
    margin-bottom: var(--space-sm);
    color: var(--neon-cyan);
}

.card-text {
    color: var(--text-secondary);
    line-height: 1.7;
}

.box {
    background: var(--bg-card);
    border-left: 3px solid var(--neon-cyan);
    padding: var(--space-md);
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-md);
    box-shadow: inset 3px 0 15px rgba(0, 255, 245, 0.03);
}

.box h3 {
    color: var(--neon-cyan);
    text-shadow: none;
    font-family: var(--font-sans);
    font-size: 1.25rem;
    text-transform: none;
}

.box h4 {
    color: var(--text-bright);
    font-family: var(--font-mono);
    font-size: 1rem;
    text-transform: none;
    letter-spacing: 0;
}

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

.box-warning {
    border-left-color: var(--neon-yellow);
    background: rgba(255, 252, 0, 0.03);
    box-shadow: inset 3px 0 15px rgba(255, 252, 0, 0.03);
}

.box-success {
    border-left-color: var(--neon-green);
    background: rgba(57, 255, 20, 0.03);
    box-shadow: inset 3px 0 15px rgba(57, 255, 20, 0.03);
}

.box-success h3 {
    color: var(--neon-green);
    text-shadow: var(--text-glow-green);
}

.box-danger {
    border-left-color: var(--neon-pink);
    background: rgba(255, 45, 111, 0.03);
    box-shadow: inset 3px 0 15px rgba(255, 45, 111, 0.03);
}

/* ===========================
   Grid Layouts
   =========================== */

.grid {
    display: grid;
    gap: var(--space-lg);
}

.grid-2 {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-3 {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.grid-4 {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

/* ===========================
   Footer
   =========================== */

.site-footer {
    background: var(--bg-void);
    color: var(--text-secondary);
    padding: var(--space-xl) 0 var(--space-md);
    border-top: 1px solid rgba(0, 255, 245, 0.08);
    position: relative;
}

.site-footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--neon-cyan), var(--neon-magenta), transparent);
    opacity: 0.5;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-xl);
    margin-bottom: var(--space-lg);
}

.footer-section h4 {
    color: var(--neon-cyan);
    margin-bottom: var(--space-md);
    font-family: var(--font-mono);
    font-size: 0.9rem;
    text-shadow: var(--text-glow-cyan);
}

.footer-section p {
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.8;
}

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

.footer-section ul li {
    margin-bottom: var(--space-xs);
}

.footer-section a {
    color: var(--text-muted);
    font-family: var(--font-mono);
    font-size: 0.85rem;
}

.footer-section a:hover {
    color: var(--neon-cyan);
    text-shadow: var(--text-glow-cyan);
}

.footer-bottom {
    border-top: 1px solid rgba(0, 255, 245, 0.05);
    padding-top: var(--space-md);
    text-align: center;
    color: var(--text-muted);
    font-family: var(--font-mono);
    font-size: 0.8rem;
    letter-spacing: 0.05em;
}

/* ===========================
   Architecture Diagram Styles
   =========================== */

.architecture-diagram {
    background: var(--bg-void);
    padding: var(--space-lg);
    border-radius: var(--radius-lg);
    margin: var(--space-lg) 0;
    border: 1px solid rgba(0, 255, 245, 0.08);
}

.layer {
    background: var(--bg-card);
    border: 1px solid rgba(0, 255, 245, 0.15);
    padding: var(--space-md);
    margin-bottom: var(--space-sm);
    border-radius: var(--radius-sm);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.layer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 3px;
    height: 100%;
    background: linear-gradient(180deg, var(--neon-cyan), var(--neon-magenta));
}

.layer:hover {
    border-color: rgba(0, 255, 245, 0.3);
    box-shadow: var(--glow-cyan);
    background: var(--bg-card-hover);
}

.layer-title {
    font-family: var(--font-mono);
    font-weight: 700;
    color: var(--neon-cyan);
    margin-bottom: var(--space-xs);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-size: 0.95rem;
}

.layer p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 0;
}

/* Arrow connectors between layers */
.layer + .layer {
    margin-top: calc(var(--space-sm) + 4px);
}

/* ===========================
   Comparison Tables
   =========================== */

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    margin: var(--space-lg) 0;
    background: var(--bg-card);
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid rgba(0, 255, 245, 0.1);
}

.comparison-table th {
    background: rgba(0, 255, 245, 0.08);
    color: var(--neon-cyan);
    padding: var(--space-md);
    text-align: left;
    font-family: var(--font-mono);
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    border-bottom: 1px solid rgba(0, 255, 245, 0.15);
}

.comparison-table td {
    padding: var(--space-md);
    border-bottom: 1px solid rgba(0, 255, 245, 0.05);
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.comparison-table td strong {
    color: var(--text-bright);
}

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

.comparison-table tr:hover {
    background: rgba(0, 255, 245, 0.03);
}

/* ===========================
   Glitch Effect
   =========================== */

.glitch {
    position: relative;
    display: inline-block;
}

.glitch::before,
.glitch::after {
    content: attr(data-text);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.glitch::before {
    color: var(--neon-cyan);
    animation: glitch-1 3s infinite linear alternate-reverse;
    clip-path: polygon(0 0, 100% 0, 100% 45%, 0 45%);
    transform: translate(-2px, -2px);
    opacity: 0.7;
}

.glitch::after {
    color: var(--neon-magenta);
    animation: glitch-2 2s infinite linear alternate-reverse;
    clip-path: polygon(0 60%, 100% 60%, 100% 100%, 0 100%);
    transform: translate(2px, 2px);
    opacity: 0.7;
}

/* ===========================
   Status Indicator
   =========================== */

.status-bar {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: var(--space-md);
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--neon-green);
    box-shadow: 0 0 8px var(--neon-green);
    animation: pulse-glow 2s infinite;
}

/* ===========================
   Neon Dividers
   =========================== */

.neon-divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--neon-cyan), transparent);
    margin: var(--space-xl) 0;
    opacity: 0.3;
}

/* ===========================
   Keyframe Animations
   =========================== */

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

@keyframes grid-scroll {
    0% { transform: translate(0, 0); }
    100% { transform: translate(60px, 60px); }
}

@keyframes pulse-glow {
    0%, 100% { opacity: 1; box-shadow: 0 0 8px var(--neon-green); }
    50% { opacity: 0.5; box-shadow: 0 0 20px var(--neon-green); }
}

@keyframes glitch-1 {
    0% { transform: translate(0); }
    20% { transform: translate(-3px, 3px); }
    40% { transform: translate(-3px, -3px); }
    60% { transform: translate(3px, 3px); }
    80% { transform: translate(3px, -3px); }
    100% { transform: translate(0); }
}

@keyframes glitch-2 {
    0% { transform: translate(0); }
    20% { transform: translate(3px, -3px); }
    40% { transform: translate(3px, 3px); }
    60% { transform: translate(-3px, -3px); }
    80% { transform: translate(-3px, 3px); }
    100% { transform: translate(0); }
}

@keyframes glitch-text {
    0% { transform: translate(0); }
    20% { transform: translate(-2px, 1px); }
    40% { transform: translate(2px, -1px); }
    60% { transform: translate(-1px, 2px); }
    80% { transform: translate(1px, -2px); }
    100% { transform: translate(0); }
}

@keyframes neon-flicker {
    0%, 19%, 21%, 23%, 25%, 54%, 56%, 100% {
        text-shadow: var(--text-glow-cyan);
        opacity: 1;
    }
    20%, 24%, 55% {
        text-shadow: none;
        opacity: 0.8;
    }
}

@keyframes border-run {
    0% { background-position: 0% 0%; }
    100% { background-position: 200% 0%; }
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

/* ===========================
   Utility Classes
   =========================== */

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-0 { margin-top: 0; }
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }

.mb-0 { margin-bottom: 0; }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }

.text-neon-cyan { color: var(--neon-cyan); text-shadow: var(--text-glow-cyan); }
.text-neon-magenta { color: var(--neon-magenta); text-shadow: var(--text-glow-magenta); }
.text-neon-green { color: var(--neon-green); text-shadow: var(--text-glow-green); }
.text-muted { color: var(--text-muted); }

/* ===========================
   Mobile Menu
   =========================== */

.mobile-menu-toggle {
    display: none;
    background: transparent;
    border: 1px solid var(--neon-cyan);
    color: var(--neon-cyan);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-sm);
    font-family: var(--font-mono);
    box-shadow: var(--glow-cyan);
}

/* ===========================
   Responsive Design
   =========================== */

@media (max-width: 768px) {
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
    h3 { font-size: 1.25rem; }

    .hero {
        min-height: 70vh;
        padding: var(--space-xl) 0;
    }

    .hero h1 { font-size: 2.5rem; }
    .hero .subtitle { font-size: 1rem; }

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

    .site-navigation {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(10, 10, 15, 0.95);
        backdrop-filter: blur(20px);
        border-bottom: 1px solid rgba(0, 255, 245, 0.1);
        padding: var(--space-md);
    }

    .site-navigation.mobile-menu-open {
        display: flex;
    }

    .nav-menu {
        flex-direction: column;
        gap: var(--space-sm);
        width: 100%;
    }

    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }

    .cta-buttons .btn {
        width: 100%;
        max-width: 300px;
    }

    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
    }

    .section-header h2 {
        font-size: 1.75rem;
    }

    .comparison-table {
        font-size: 0.8rem;
    }

    .comparison-table th,
    .comparison-table td {
        padding: var(--space-sm);
    }
}

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

    .hero .tagline {
        font-size: 0.7rem;
        letter-spacing: 0.15em;
    }

    .container,
    .container-narrow,
    .container-wide {
        padding: 0 var(--space-sm);
    }
}