/* ==========================================================================
   DESIGN SYSTEM & VARIABLES (ULTRA-OPTIMIZED FOR PERFORMANCE)
   ========================================================================== */
:root {
    --font-primary: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    --font-mono: 'Space Grotesk', monospace;

    /* Curated Dark & Vibrant Palette */
    --color-bg-darkest: #06070a;
    --color-bg-darker: #0d0f15;
    --color-bg-card: rgba(18, 22, 33, 0.6);
    --color-border: rgba(255, 255, 255, 0.07);
    --color-border-glow: rgba(0, 242, 254, 0.15);
    
    /* Neon gradients */
    --color-primary: #00f2fe;     /* Electric Cyan */
    --color-secondary: #4facfe;   /* Neon Blue */
    --color-accent: #9b51e0;      /* Deep Purple */
    --color-text-main: #e2e8f0;
    --color-text-muted: #94a3b8;
    --color-text-light: #ffffff;
    
    --gradient-primary: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-primary) 100%);
    --gradient-accent: linear-gradient(135deg, var(--color-accent) 0%, var(--color-secondary) 100%);
    --gradient-dark: linear-gradient(180deg, var(--color-bg-darkest) 0%, var(--color-bg-darker) 100%);
    
    /* Layout */
    --border-radius: 12px;
    --border-radius-lg: 20px;
    --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ==========================================================================
   BASE STYLES & ACCESSIBILITY
   ========================================================================== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    background-color: var(--color-bg-darkest);
    color: var(--color-text-main);
    font-family: var(--font-primary);
}

body {
    overflow-x: hidden;
    line-height: 1.5;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    color: inherit;
    text-decoration: none;
}

kbd {
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 4px;
    padding: 2px 6px;
    font-family: var(--font-mono);
    font-size: 0.85em;
    color: var(--color-text-light);
}

code {
    font-family: var(--font-mono);
    color: var(--color-primary);
    background: rgba(0, 242, 254, 0.08);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.9em;
}

/* Scrollbar styling */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: var(--color-bg-darkest);
}
::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--color-secondary);
}

/* ==========================================================================
   REUSABLE UTILITIES & PREMIUM CARD DESIGNS (GLASSMORPHISM)
   ========================================================================== */
.section {
    padding: 80px 20px;
    position: relative;
}

.section-container {
    max-width: 1200px;
    margin: 0 auto;
}

.section-header {
    text-align: center;
    margin-bottom: 50px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.section-tag {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-primary);
    display: inline-block;
    margin-bottom: 12px;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--color-text-light);
    margin-bottom: 15px;
    letter-spacing: -0.02em;
}

.section-desc {
    color: var(--color-text-muted);
    font-size: 1.1rem;
}

.glass-panel {
    background: var(--color-bg-card);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    transition: border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.glass-panel:hover {
    border-color: var(--color-border-glow);
    box-shadow: 0 8px 32px 0 rgba(0, 242, 254, 0.05);
}

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

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

.pulse {
    animation: pulseKeyframe 2s infinite;
}

@keyframes pulseKeyframe {
    0% { opacity: 0.4; }
    50% { opacity: 1; }
    100% { opacity: 0.4; }
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-family: var(--font-primary);
    font-weight: 600;
    border-radius: var(--border-radius);
    cursor: pointer;
    border: 1px solid transparent;
    transition: transform var(--transition-fast), background-color var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
    will-change: transform;
}

.btn:active {
    transform: scale(0.97);
}

.btn-lg {
    padding: 14px 28px;
    font-size: 1.05rem;
}

.btn-sm {
    padding: 8px 16px;
    font-size: 0.85rem;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--color-bg-darkest);
    box-shadow: 0 4px 14px rgba(0, 242, 254, 0.25);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    box-shadow: 0 6px 20px rgba(0, 242, 254, 0.4);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    color: var(--color-text-light);
    border-color: rgba(255, 255, 255, 0.1);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.3);
}

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

.btn-glow::after {
    content: '';
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transform: translateX(-100%);
    transition: transform 0.6s ease;
}

.btn-glow:hover::after {
    transform: translateX(100%);
}

/* ==========================================================================
   NAVIGATION BAR
   ========================================================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    background: rgba(6, 7, 10, 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border);
    height: 70px;
    transition: background var(--transition-normal);
}

.nav-container {
    max-width: 1200px;
    height: 100%;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
}

.nav-logo {
    font-family: var(--font-mono);
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--color-text-light);
    display: flex;
    align-items: center;
}

.logo-img {
    height: 40px;
    width: 40px;
    object-fit: cover;
    margin-right: 12px;
    border-radius: 8px;
    border: 1.5px solid var(--color-border);
    transition: transform var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.nav-logo:hover .logo-img {
    transform: scale(1.08) rotate(3deg);
    border-color: var(--color-primary);
    box-shadow: 0 0 12px rgba(0, 242, 254, 0.4);
}

.logo-accent {
    color: var(--color-primary);
}

.logo-light {
    font-weight: 300;
    color: var(--color-text-muted);
    margin-left: 4px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-link {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--color-text-muted);
    transition: color var(--transition-fast);
    padding: 6px 0;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0; left: 0; width: 100%; height: 2px;
    background: var(--color-primary);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform var(--transition-fast);
}

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

.nav-link:hover::after {
    transform: scaleX(1);
    transform-origin: left;
}

/* ==========================================================================
   HERO HEADER SECTION
   ========================================================================== */
.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 120px 20px 80px;
    background: var(--gradient-dark);
    overflow: hidden;
}

.hero-bg-overlay {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background-image: 
        radial-gradient(circle at 10% 20%, rgba(0, 242, 254, 0.08) 0%, transparent 40%),
        radial-gradient(circle at 90% 80%, rgba(155, 81, 224, 0.08) 0%, transparent 40%);
    pointer-events: none;
}

.hero-container {
    max-width: 1000px;
    margin: 0 auto;
    text-align: center;
    position: relative;
    z-index: 10;
}

.hero-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 25px;
}

.badge {
    background: rgba(0, 242, 254, 0.08);
    border: 1px solid rgba(0, 242, 254, 0.25);
    color: var(--color-primary);
    padding: 6px 16px;
    border-radius: 50px;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.hero-title {
    font-size: 4.5rem;
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.03em;
    color: var(--color-text-light);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--color-text-muted);
    max-width: 700px;
    font-weight: 400;
}

.hero-buttons {
    display: flex;
    gap: 15px;
    margin-top: 15px;
}

.hero-scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--color-text-muted);
    font-size: 0.8rem;
    font-family: var(--font-mono);
    pointer-events: none;
    opacity: 0.8;
}

.mouse-icon {
    width: 20px;
    height: 32px;
    border: 2px solid var(--color-text-muted);
    border-radius: 10px;
    position: relative;
}

.mouse-wheel {
    width: 4px;
    height: 8px;
    background-color: var(--color-primary);
    border-radius: 2px;
    position: absolute;
    top: 6px;
    left: 50%;
    transform: translateX(-50%);
    animation: scrollAnim 1.6s ease infinite;
}

@keyframes scrollAnim {
    0% { transform: translate(-50%, 0); opacity: 1; }
    80% { transform: translate(-50%, 8px); opacity: 0; }
    100% { transform: translate(-50%, 0); opacity: 0; }
}

/* ==========================================================================
   COMPARISON SLIDER SECTION (HIGHLY OPTIMIZED TRANSITIONS)
   ========================================================================== */
.section-compare {
    background-color: var(--color-bg-darker);
}

.scene-selector-container {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 25px;
}

.btn-scene {
    padding: 10px 20px;
    font-size: 0.9rem;
    border-radius: 30px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    color: var(--color-text-muted);
    cursor: pointer;
    font-weight: 600;
    transition: all var(--transition-fast);
}

.btn-scene:hover {
    background: rgba(255, 255, 255, 0.07);
    color: var(--color-text-light);
    border-color: rgba(255, 255, 255, 0.2);
}

.btn-scene.active {
    background: rgba(0, 242, 254, 0.08);
    border-color: var(--color-primary);
    color: var(--color-primary);
    box-shadow: 0 0 15px rgba(0, 242, 254, 0.15);
}

.comparison-slider-container {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 9;
    max-width: 1000px;
    margin: 0 auto;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    border: 1px solid var(--color-border);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
    user-select: none;
}

.img-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.comparison-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    pointer-events: none;
}

/* Before layer (clipped container on top) */
.img-before {
    z-index: 2;
    clip-path: polygon(0 0, 50% 0, 50% 100%, 0 100%);
    will-change: clip-path;
}

.img-after {
    z-index: 1;
}

/* Simulated Vanilla GTA V graphics */
.vanilla-filter {
    filter: contrast(0.85) saturate(0.75) sepia(0.25) hue-rotate(-8deg) brightness(0.92) contrast(0.9) blur(0.25px);
}

.img-label {
    position: absolute;
    bottom: 20px;
    padding: 6px 12px;
    background: rgba(6, 7, 10, 0.75);
    border: 1px solid rgba(255,255,255,0.1);
    backdrop-filter: blur(8px);
    border-radius: 4px;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--color-text-light);
    letter-spacing: 0.05em;
    pointer-events: none;
    z-index: 5;
}

.label-before {
    left: 20px;
    border-left: 3px solid var(--color-text-muted);
}

.label-after {
    right: 20px;
    border-right: 3px solid var(--color-primary);
}

/* Slider center handle */
.slider-handle {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 50%;
    width: 4px;
    background: var(--gradient-primary);
    z-index: 10;
    transform: translateX(-50%);
    cursor: ew-resize;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    will-change: left;
}

.handle-line {
    flex-grow: 1;
    width: 2px;
    background: rgba(255, 255, 255, 0.2);
}

.handle-button {
    width: 44px;
    height: 44px;
    background: var(--color-bg-darkest);
    border: 2px solid var(--color-primary);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    color: var(--color-primary);
    box-shadow: 0 0 15px rgba(0, 242, 254, 0.4);
    font-size: 0.85rem;
    transition: transform var(--transition-fast), background var(--transition-fast);
}

.slider-handle:hover .handle-button {
    transform: scale(1.1);
    background: var(--color-primary);
    color: var(--color-bg-darkest);
}

/* ==========================================================================
   CONFIGURATOR SECTION (RESHADE PRESETS AND REALTIME PREVIEWS)
   ========================================================================== */
.section-config {
    background-color: var(--color-bg-darkest);
}

.config-grid {
    display: grid;
    grid-template-columns: 480px 1fr;
    gap: 30px;
    align-items: stretch;
}

.config-card {
    padding: 30px;
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.card-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text-light);
    display: flex;
    align-items: center;
    gap: 10px;
    border-bottom: 1px solid var(--color-border);
    padding-bottom: 15px;
}

.preset-selector-group {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.input-label {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--color-text-muted);
    letter-spacing: 0.05em;
}

.presets-buttons {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.btn-preset {
    padding: 10px;
    font-size: 0.85rem;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    color: var(--color-text-muted);
    cursor: pointer;
    font-weight: 600;
}

.btn-preset:hover {
    background: rgba(255, 255, 255, 0.07);
    color: var(--color-text-light);
}

.btn-preset.active {
    background: rgba(0, 242, 254, 0.08);
    border-color: var(--color-primary);
    color: var(--color-primary);
    box-shadow: 0 0 10px rgba(0, 242, 254, 0.1);
}

.sliders-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.slider-item {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.slider-info {
    display: flex;
    justify-content: space-between;
    font-size: 0.9rem;
}

.slider-name {
    color: var(--color-text-light);
    font-weight: 600;
}

.slider-value {
    color: var(--color-primary);
    font-family: var(--font-mono);
    font-weight: 700;
}

/* Range input style */
.input-range {
    -webkit-appearance: none;
    width: 100%;
    height: 6px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
    outline: none;
}

.input-range::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--color-primary);
    cursor: pointer;
    box-shadow: 0 0 8px rgba(0, 242, 254, 0.5);
    transition: transform var(--transition-fast);
}

.input-range::-webkit-slider-thumb:hover {
    transform: scale(1.25);
}

.config-actions {
    display: flex;
    gap: 15px;
    margin-top: 10px;
}

.config-actions .btn {
    flex-grow: 1;
}

/* Visualizer frame styling */
.config-visualizer {
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.visualizer-header {
    background: rgba(6, 7, 10, 0.5);
    padding: 12px 20px;
    display: flex;
    align-items: center;
    border-bottom: 1px solid var(--color-border);
}

.visualizer-dots {
    display: flex;
    gap: 6px;
    margin-right: 15px;
}

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

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

.visualizer-title {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

.visualizer-frame {
    flex-grow: 1;
    position: relative;
    background-color: #000;
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
}

.visualizer-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    will-change: filter;
}

/* Overlays for Vignette and Bloom simulation */
.vignette-overlay {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    box-shadow: inset 0 0 0px rgba(0, 0, 0, 0);
    pointer-events: none;
    z-index: 2;
    transition: box-shadow 0.1s ease-out;
}

.bloom-overlay {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background-color: #fff;
    mix-blend-mode: screen;
    opacity: 0;
    pointer-events: none;
    z-index: 1;
    filter: blur(20px);
    transition: opacity 0.1s ease-out;
}

.visualizer-footer {
    padding: 12px 20px;
    background: rgba(6, 7, 10, 0.5);
    border-top: 1px solid var(--color-border);
    display: flex;
    justify-content: space-between;
    font-size: 0.8rem;
    color: var(--color-text-muted);
    font-family: var(--font-mono);
}

/* ==========================================================================
   INSTALLER & INTERACTIVE PS1 SIMULATION CONSOLE
   ========================================================================== */
.section-install {
    background-color: var(--color-bg-darker);
}

.install-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: stretch;
}

.install-details {
    padding: 40px;
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.install-intro {
    color: var(--color-text-main);
    font-size: 1.1rem;
}

.install-features-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.install-features-list li {
    display: flex;
    gap: 15px;
    align-items: flex-start;
}

.install-features-list li i {
    font-size: 1.25rem;
    margin-top: 3px;
    width: 24px;
    text-align: center;
}

.install-features-list strong {
    display: block;
    color: var(--color-text-light);
    font-size: 1.05rem;
    margin-bottom: 4px;
}

.install-features-list span {
    color: var(--color-text-muted);
    font-size: 0.95rem;
}

.install-actions {
    display: flex;
    gap: 15px;
    margin-top: 10px;
}

.script-warning {
    display: flex;
    gap: 10px;
    align-items: center;
    background: rgba(242, 201, 76, 0.06);
    border: 1px solid rgba(242, 201, 76, 0.2);
    padding: 12px 16px;
    border-radius: var(--border-radius);
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

.script-warning i {
    font-size: 1.1rem;
}

/* PowerShell simulation terminal */
.console-card {
    display: flex;
    flex-direction: column;
    background-color: #0c0f17;
    border: 1px solid rgba(255,255,255,0.05);
    border-radius: var(--border-radius-lg);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.6);
    overflow: hidden;
}

.console-header {
    background-color: #171d2c;
    padding: 10px 16px;
    display: flex;
    align-items: center;
    position: relative;
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

.console-dot-group {
    display: flex;
    gap: 6px;
}

.console-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: rgba(255,255,255,0.15);
}

.console-title {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--color-text-muted);
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
}

.console-body {
    flex-grow: 1;
    padding: 20px;
    font-family: 'Consolas', 'Courier New', Courier, monospace;
    font-size: 0.9rem;
    color: #cbd5e1;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 8px;
    min-height: 320px;
}

.console-line {
    line-height: 1.4;
    word-break: break-all;
}

.console-line.text-success { color: #4ade80; }
.console-line.text-warning { color: #facc15; }
.console-line.text-error { color: #f87171; }
.console-line.text-cyan { color: #22d3ee; }
.console-line.text-muted { color: #64748b; }

.text-success { color: #4ade80; }
.text-warning { color: #facc15; }
.text-info { color: #38bdf8; }

/* ==========================================================================
   MANUAL GUIDE STEPS
   ========================================================================== */
.section-guide {
    background-color: var(--color-bg-darkest);
}

.guide-steps-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 25px;
}

.guide-step {
    padding: 30px;
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.step-num {
    background: var(--gradient-primary);
    color: var(--color-bg-darkest);
    width: 44px;
    height: 44px;
    font-size: 1.25rem;
    font-weight: 800;
    font-family: var(--font-mono);
    border-radius: var(--border-radius);
    display: flex;
    justify-content: center;
    align-items: center;
    flex-shrink: 0;
    box-shadow: 0 4px 10px rgba(0, 242, 254, 0.2);
}

.step-content {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.step-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-text-light);
}

.step-text {
    color: var(--color-text-muted);
    font-size: 0.95rem;
    line-height: 1.6;
}

.step-actions {
    margin-top: 10px;
}

/* ==========================================================================
   FOOTER SECTION
   ========================================================================== */
.footer {
    background-color: #030406;
    border-top: 1px solid var(--color-border);
    padding: 60px 20px 30px;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2fr 1fr 1.5fr;
    gap: 60px;
    margin-bottom: 40px;
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 15px;
    font-family: var(--font-mono);
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--color-text-light);
}

.footer-logo {
    display: flex;
    align-items: center;
    color: var(--color-text-light);
    transition: color var(--transition-fast);
}

.footer-logo:hover {
    color: var(--color-primary);
}

.footer-logo:hover .logo-img {
    transform: scale(1.08) rotate(3deg);
    border-color: var(--color-primary);
    box-shadow: 0 0 12px rgba(0, 242, 254, 0.4);
}

.footer-brand p {
    font-family: var(--font-primary);
    font-size: 0.9rem;
    color: var(--color-text-muted);
    line-height: 1.6;
    font-weight: 300;
}

.footer-links-group {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.footer-links-group h4, .footer-socials h4 {
    color: var(--color-text-light);
    font-size: 0.95rem;
    font-family: var(--font-mono);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
    font-size: 0.9rem;
}

.footer-links a {
    color: var(--color-text-muted);
    transition: color var(--transition-fast);
}

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

.footer-socials {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.social-icons {
    display: flex;
    gap: 15px;
}

.social-icon {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--color-border);
    display: flex;
    justify-content: center;
    align-items: center;
    color: var(--color-text-muted);
    font-size: 1.1rem;
    transition: transform var(--transition-fast), color var(--transition-fast), background var(--transition-fast), border-color var(--transition-fast);
}

.social-icon:hover {
    transform: translateY(-3px);
    background: rgba(0, 242, 254, 0.08);
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.footer-bottom {
    max-width: 1200px;
    margin: 0 auto;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding-top: 30px;
    text-align: center;
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

/* ==========================================================================
   RESPONSIVE DESIGN (OPTIMIZED MEDIA QUERIES)
   ========================================================================== */
@media (max-width: 1024px) {
    .config-grid {
        grid-template-columns: 1fr;
    }
    
    .config-visualizer {
        aspect-ratio: 16 / 9;
    }
    
    .install-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    html {
        font-size: 14px;
    }
    
    .navbar {
        height: 60px;
    }
    
    .nav-menu {
        display: none; /* Can expand to simple hamburger menu */
    }
    
    .hero-title {
        font-size: 3rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .guide-steps-container {
        grid-template-columns: 1fr;
    }
    
    .footer-container {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .install-actions {
        flex-direction: column;
    }
    
    .config-actions {
        flex-direction: column;
    }
}

/* ==========================================================================
   PRICING / SHOP SECTION
   ========================================================================== */
.section-pricing {
    background-color: var(--color-bg-darker);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.pricing-card-container {
    display: flex;
    justify-content: center;
    margin-top: 30px;
}

.pricing-card {
    max-width: 550px;
    width: 100%;
    padding: 40px;
    position: relative;
    text-align: center;
    border: 2px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    transition: all var(--transition-normal);
}

.pricing-card.premium-card {
    border-color: rgba(0, 242, 254, 0.3);
    box-shadow: 0 15px 45px rgba(0, 242, 254, 0.05);
}

.pricing-card.premium-card:hover {
    border-color: var(--color-primary);
    box-shadow: 0 15px 45px rgba(0, 242, 254, 0.15);
    transform: translateY(-5px);
}

.card-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background: var(--gradient-primary);
    color: var(--color-bg-darkest);
    padding: 4px 12px;
    font-size: 0.75rem;
    font-weight: 700;
    border-radius: 20px;
    font-family: var(--font-mono);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.pricing-title {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--color-text-light);
    margin-bottom: 15px;
}

.pricing-price {
    display: flex;
    justify-content: center;
    align-items: baseline;
    margin-bottom: 20px;
    font-family: var(--font-mono);
}

.price-currency {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-right: 5px;
}

.price-amount {
    font-size: 4rem;
    font-weight: 800;
    color: var(--color-text-light);
    line-height: 1;
}

.price-period {
    font-size: 1rem;
    color: var(--color-text-muted);
    margin-left: 10px;
}

.pricing-subtitle {
    color: var(--color-text-main);
    font-size: 1.05rem;
    margin-bottom: 30px;
}

.pricing-features {
    list-style: none;
    text-align: left;
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-bottom: 35px;
    padding: 0 10px;
}

.pricing-features li {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--color-text-muted);
    font-size: 0.95rem;
}

.pricing-features li i {
    font-size: 1.1rem;
}

.pricing-action .btn-block {
    display: flex;
    width: 100%;
    padding: 16px;
    font-size: 1.1rem;
}

.pricing-notice {
    display: flex;
    gap: 8px;
    align-items: flex-start;
    justify-content: center;
    margin-top: 25px;
    font-size: 0.8rem;
    color: var(--color-text-muted);
    text-align: left;
}

.pricing-notice i {
    font-size: 1rem;
    color: var(--color-primary);
    margin-top: 2px;
}

.official-links {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-top: 10px;
}