/* CometVisu Website Styles */
/* Modern Smarthome Visualization Theme */

:root {
    /* Colors - CometVisu Orange Theme */
    --primary: #ff8000;
    --primary-dark: #e67300;
    --secondary: #ffb347;
    --accent: #ffd700;
    
    --bg-dark: #0a0a0f;
    --bg-surface: #12121a;
    --bg-card: #1a1a25;
    --bg-elevated: #222230;
    
    --text-primary: #ffffff;
    --text-secondary: #a0a0b0;
    --text-muted: #606070;
    
    --border-color: rgba(255, 255, 255, 0.08);
    --glow: rgba(255, 128, 0, 0.3);
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    
    /* Spacing */
    --container-width: 1200px;
    --section-padding: 100px;
    
    /* Transitions */
    --transition: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

html {
    scroll-behavior: smooth;
}

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

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

a:hover {
    color: var(--primary-dark);
}

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

code {
    font-family: 'JetBrains Mono', 'Fira Code', monospace;
    background: var(--bg-elevated);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.9em;
}

/* Container */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 10, 15, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    padding: 16px 0;
}

.nav-container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--text-primary);
    font-weight: 600;
    font-size: 1.25rem;
}

.logo-img {
    width: 36px;
    height: 36px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 32px;
}

.nav-menu a {
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition);
}

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

.nav-lang {
    margin-left: 16px;
    padding-left: 16px;
    border-left: 1px solid var(--border-color);
}

.lang-switch {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 8px;
    background: var(--bg-card);
    font-size: 0.85rem;
    font-weight: 600;
}

.lang-switch:hover {
    background: var(--primary);
    color: var(--bg-dark);
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    margin: 5px 0;
    transition: var(--transition);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
    padding: 120px 0 60px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.hero-grid {
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(78, 205, 196, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(78, 205, 196, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
}

.hero-content {
    text-align: center;
    position: relative;
    z-index: 2;
    margin-bottom: 60px;
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 24px;
}

.hero-title span {
    display: block;
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 50%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 40px;
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: 12px;
    font-weight: 600;
    font-size: 1rem;
    transition: var(--transition);
    border: none;
    cursor: pointer;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: var(--bg-dark);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px var(--glow);
    color: var(--bg-dark);
}

.btn-secondary {
    background: var(--bg-card);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: var(--bg-elevated);
    border-color: var(--primary);
    color: var(--text-primary);
}

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

.btn-outline:hover {
    background: var(--primary);
    color: var(--bg-dark);
}

.btn-large {
    padding: 18px 36px;
    font-size: 1.1rem;
}

/* Hero Showcase */
.hero-showcase {
    display: flex;
    justify-content: center;
    position: relative;
    z-index: 2;
}

.showcase-frame {
    background: var(--bg-card);
    border-radius: 16px;
    border: 1px solid var(--border-color);
    overflow: hidden;
    box-shadow: 
        0 25px 80px rgba(0, 0, 0, 0.5),
        0 0 60px var(--glow);
    max-width: 1180px;
    width: 100%;
    display: flex;
    flex-direction: column;
}

.showcase-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 16px;
    background: var(--bg-elevated);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 10;
    flex-shrink: 0;
}

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

.dot.red { background: #ff5f57; }
.dot.yellow { background: #febc2e; }
.dot.green { background: #28c840; }

.showcase-content {
    aspect-ratio: 16/9;
    overflow: hidden;
    flex: 1;
    min-height: 400px;
    display: flex;
    justify-content: center;
    background: var(--bg-dark);
}

.showcase-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Interactive Demo Styles */
.interactive-demo {
    max-width: 1000px;
    width: 100%;
}

.interactive-demo .showcase-header {
    display: flex;
    align-items: center;
    gap: 8px;
}

.showcase-title {
    flex: 1;
    text-align: center;
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-left: 20px;
}

/* Demo Resize Controls */
.demo-resize-controls {
    display: none;
    gap: 4px;
    margin-right: 8px;
}

/* Show resize controls when demo is loaded (controlled via JS adding class to parent) */
.showcase-frame.demo-loaded .demo-resize-controls {
    display: flex;
}

.resize-btn {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 6px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    color: var(--text-secondary);
}

.resize-btn:hover {
    background: var(--bg-elevated);
    border-color: var(--primary);
    color: var(--primary);
}

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

.resize-btn svg {
    stroke: currentColor;
}

.showcase-fullscreen {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 6px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.showcase-fullscreen:hover {
    background: var(--primary);
    border-color: var(--primary);
}

.showcase-fullscreen:hover svg {
    stroke: var(--bg-dark);
}

.showcase-fullscreen svg {
    stroke: var(--text-secondary);
}

/* Showcase Iframe */
.showcase-iframe {
    width: 100%;
    height: 100%;
    border: none;
    background: var(--bg-dark);
}

/* Demo Size Variants */
.showcase-content {
    transition: width 0.4s ease, height 0.4s ease, margin 0.4s ease;
}

.showcase-content[data-size="desktop"] {
    width: 100%;
    aspect-ratio: 16/9;
}

.showcase-content[data-size="desktop"] .showcase-iframe {
    width: 100%;
    height: 100%;
}

.showcase-content[data-size="tablet"] {
    width: 768px;
    max-width: 100%;
    aspect-ratio: 4/3;
    min-height: 500px;
    margin: 0 auto;
    border-left: 1px solid var(--border-color);
    border-right: 1px solid var(--border-color);
}

.showcase-content[data-size="tablet"] .showcase-iframe {
    width: 100%;
    height: 100%;
}

.showcase-content[data-size="mobile"] {
    width: 375px;
    max-width: 100%;
    aspect-ratio: 9/16;
    min-height: 600px;
    margin: 0 auto;
    border-left: 1px solid var(--border-color);
    border-right: 1px solid var(--border-color);
}

.showcase-content[data-size="mobile"] .showcase-iframe {
    width: 100%;
    height: 100%;
}

.showcase-resize-wrapper {
    padding: 20px;
    background: var(--bg-elevated);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

.showcase-content.resizable {
    position: relative;
    width: 100%;
    max-width: 900px;
    aspect-ratio: 16/9;
    background: var(--bg-dark);
    border-radius: 8px;
    overflow: hidden;
    border: 2px solid var(--border-color);
    transition: border-color 0.2s ease;
}

.showcase-content.resizable:hover {
    border-color: var(--primary);
}

.showcase-content.resizable.resizing {
    border-color: var(--primary);
    box-shadow: 0 0 20px var(--glow);
}

.demo-placeholder {
    position: relative;
    width: 100%;
    height: 100%;
    cursor: pointer;
}

.demo-placeholder .showcase-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: filter 0.3s ease;
}

/* Demo Link Styles */
.demo-link {
    text-decoration: none;
    display: block;
    cursor: pointer;
}

.demo-link .showcase-content {
    position: relative;
}

.demo-overlay-hover {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 16px;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.demo-link:hover .demo-overlay-hover {
    opacity: 1;
}

.demo-link:hover .showcase-img {
    filter: blur(2px);
}

.showcase-open-hint {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-left: auto;
    opacity: 0.7;
    transition: opacity 0.2s ease;
}

.demo-link:hover .showcase-open-hint {
    opacity: 1;
    color: var(--primary);
}

.demo-overlay-hover span {
    color: var(--text-primary);
    font-weight: 500;
    font-size: 1.1rem;
}

.demo-overlay-click {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 16px;
    opacity: 1;
    transition: opacity 0.3s ease;
}

/* Demo Lazy Load Container */
.demo-lazy-container {
    position: relative;
    cursor: pointer;
}

.demo-lazy-container .demo-placeholder-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: filter 0.3s ease;
}

.demo-click-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 16px;
    transition: background 0.3s ease;
}

.demo-lazy-container:hover .demo-click-overlay {
    background: rgba(0, 0, 0, 0.7);
}

.demo-lazy-container:hover .demo-placeholder-img {
    filter: blur(2px);
}

.demo-click-overlay span {
    color: var(--text-primary);
    font-weight: 500;
    font-size: 1.1rem;
}

.demo-lazy-container:hover .play-button {
    transform: scale(1.1);
    box-shadow: 0 0 30px var(--glow);
}

.demo-lazy-container.loaded .demo-click-overlay,
.demo-lazy-container.loaded .demo-placeholder-img {
    display: none;
}

/* Demo Loading Overlay with Spinner */
.demo-loading-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(13, 13, 13, 0.95);
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 20px;
    z-index: 5;
}

.demo-lazy-container.loading .demo-loading-overlay {
    display: flex;
}

.demo-lazy-container.loading .demo-click-overlay,
.demo-lazy-container.loading .demo-placeholder-img {
    display: none;
}

.demo-spinner {
    width: 50px;
    height: 50px;
    border: 4px solid var(--border-color);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.demo-loading-overlay span {
    color: var(--text-secondary);
    font-size: 1rem;
}

/* Hide iframe while loading, show when fully loaded */
.demo-lazy-container.loading .demo-frame,
.demo-lazy-container.loading .showcase-iframe {
    opacity: 0;
    position: absolute;
}

.demo-lazy-container .demo-frame,
.demo-lazy-container .showcase-iframe {
    display: none;
}

.demo-lazy-container.loaded .demo-frame,
.demo-lazy-container.loaded .showcase-iframe {
    display: block;
}

/* Prevent scroll when iframe receives focus */
.demo-lazy-container.loaded {
    scroll-margin: 0;
}

.demo-lazy-container.loaded iframe:focus {
    outline: none;
}

.demo-placeholder:hover .demo-overlay-click {
    background: rgba(0, 0, 0, 0.7);
}

.play-button {
    width: 80px;
    height: 80px;
    background: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.play-button svg {
    fill: var(--bg-dark);
    margin-left: 4px;
}

.demo-placeholder:hover .play-button {
    transform: scale(1.1);
    box-shadow: 0 0 30px var(--glow);
}

.demo-overlay-click span {
    color: var(--text-primary);
    font-weight: 500;
    font-size: 1.1rem;
}

.demo-iframe {
    width: 100%;
    height: 100%;
    border: none;
}

.demo-iframe.hidden {
    display: none;
}

.resize-handle {
    position: absolute;
    right: 0;
    bottom: 0;
    width: 24px;
    height: 24px;
    background: var(--primary);
    border-radius: 4px 0 8px 0;
    cursor: nwse-resize;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0.8;
    transition: opacity 0.2s ease;
    z-index: 10;
}

.resize-handle:hover {
    opacity: 1;
}

.resize-handle svg {
    fill: var(--bg-dark);
}

.resize-info {
    display: flex;
    align-items: center;
    gap: 16px;
    font-size: 0.85rem;
}

.resize-dimensions {
    background: var(--bg-card);
    padding: 6px 12px;
    border-radius: 6px;
    font-family: 'JetBrains Mono', 'Fira Code', monospace;
    color: var(--primary);
    border: 1px solid var(--border-color);
}

.resize-hint {
    color: var(--text-muted);
}

/* Section Styles */
section {
    padding: var(--section-padding) 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 16px;
}

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

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

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 32px;
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-4px);
    border-color: var(--primary);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.feature-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.feature-icon svg {
    stroke: var(--bg-dark);
}

.feature-card h3 {
    font-size: 1.25rem;
    margin-bottom: 12px;
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* Customization Section */
.customization {
    background: var(--bg-dark);
}

/* Carousel Styles */
.carousel-container {
    display: flex;
    align-items: center;
    gap: 16px;
    position: relative;
}

.carousel-viewport {
    flex: 1;
    overflow: hidden;
    border-radius: 16px;
}

.carousel-track {
    display: flex;
    transition: transform 0.4s ease-in-out;
}

.carousel-slide {
    flex: 0 0 100%;
    min-width: 100%;
}

.carousel-btn {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    z-index: 2;
}

.carousel-btn:hover {
    background: var(--bg-elevated);
    border-color: var(--primary);
    color: var(--primary);
}

.carousel-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.carousel-indicators {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 24px;
}

.carousel-indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--border-color);
    border: none;
    cursor: pointer;
    transition: var(--transition);
}

.carousel-indicator:hover {
    background: var(--text-secondary);
}

.carousel-indicator.active {
    background: var(--primary);
    transform: scale(1.2);
}

.customization-levels {
    display: flex;
    gap: 24px;
}

.customization-levels.carousel-track {
    flex-direction: row;
}

.level-card {
    display: flex;
    flex-direction: column;
    gap: 24px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 32px;
    transition: var(--transition);
    box-sizing: border-box;
}

.level-card.carousel-slide {
    min-height: 320px;
}

.level-card:hover {
    border-color: rgba(78, 205, 196, 0.3);
}

.level-card.featured {
    background: linear-gradient(135deg, rgba(78, 205, 196, 0.1), rgba(102, 126, 234, 0.1));
    border-color: var(--primary);
}

.level-number {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--bg-dark);
}

.level-content h3 {
    font-size: 1.25rem;
    margin-bottom: 8px;
}

.level-content p {
    color: var(--text-secondary);
    margin-bottom: 16px;
}

.code-preview {
    background: var(--bg-dark);
    border-radius: 8px;
    overflow: hidden;
}

.code-preview pre {
    padding: 16px;
    overflow-x: auto;
}

.code-preview code {
    background: none;
    padding: 0;
    color: var(--primary);
    font-size: 0.85rem;
}

.design-preview {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.design-group {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.design-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    min-width: 100px;
}

.design-chip {
    padding: 8px 16px;
    background: var(--bg-elevated);
    border-radius: 20px;
    font-size: 0.9rem;
    border: 1px solid var(--accent);
    border-color: var(--accent);
    color: var(--accent);
}

.feature-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.feature-list li {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-secondary);
}

.feature-list li::before {
    content: '✓';
    color: var(--primary);
    font-weight: 700;
}

/* Backends Section */
.backends {
    background: var(--bg-surface);
}

.backend-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.backend-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 40px 32px;
    text-align: center;
    transition: var(--transition);
}

.backend-card:hover {
    transform: translateY(-4px);
    border-color: var(--primary);
}

.backend-logo {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--bg-elevated), var(--bg-dark));
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--primary);
    border: 1px solid var(--border-color);
}

.backend-card h3 {
    font-size: 1.25rem;
    margin-bottom: 8px;
}

.backend-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* Demo Section */
.demo {
    background: var(--bg-dark);
}

/* Demo Cards */
.demo-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
    margin-top: 40px;
}

.demo-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 48px 32px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    text-decoration: none;
    transition: var(--transition);
}

.demo-card:hover {
    border-color: var(--primary);
    transform: translateY(-4px);
    box-shadow: 0 8px 32px rgba(255, 128, 0, 0.15);
}

.demo-card-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
}

.demo-card-icon svg {
    stroke: var(--bg-dark);
}

.demo-card h3 {
    color: var(--text-primary);
    font-size: 1.5rem;
    margin-bottom: 12px;
}

.demo-card p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 24px;
}

.demo-card-link {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--primary);
    font-weight: 600;
    margin-top: auto;
}

.demo-card:hover .demo-card-link {
    gap: 12px;
}

.demo-frame {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    overflow: hidden;
    margin-bottom: 32px;
}

.demo-tabs {
    display: flex;
    background: var(--bg-elevated);
    padding: 8px;
    gap: 8px;
}

.demo-tab {
    flex: 1;
    padding: 12px 24px;
    background: transparent;
    border: none;
    border-radius: 8px;
    color: var(--text-secondary);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.demo-tab:hover {
    color: var(--text-primary);
}

.demo-tab.active {
    background: var(--primary);
    color: var(--bg-dark);
}

.demo-tab svg {
    vertical-align: middle;
    margin-right: 8px;
}

.demo-tab.active svg {
    stroke: var(--bg-dark);
}

.demo-fullscreen {
    flex: 0 0 auto;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 8px;
}

.demo-fullscreen:hover {
    background: var(--bg-card);
}

.demo-container {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    overflow: hidden;
}

.demo-frame-container {
    position: relative;
    aspect-ratio: 16/9;
    background: var(--bg-dark);
}

.demo-frame {
    width: 100%;
    height: 100%;
    border: none;
}

.demo-overlay {
    position: absolute;
    inset: 0;
    background: var(--bg-card);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    pointer-events: none;
    opacity: 0;
    transition: var(--transition);
}

.demo-overlay.loading {
    opacity: 1;
}

.demo-cta {
    text-align: center;
}

/* CTA Section */
.cta {
    background: linear-gradient(135deg, rgba(78, 205, 196, 0.1), rgba(102, 126, 234, 0.1));
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.cta-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.cta-content h2 {
    font-size: 2rem;
    margin-bottom: 16px;
}

.cta-content p {
    color: var(--text-secondary);
    margin-bottom: 32px;
}

.cta-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

/* Footer */
.footer {
    background: var(--bg-surface);
    padding: 80px 0 40px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr repeat(3, 1fr);
    gap: 40px;
    margin-bottom: 60px;
}

.footer-logo {
    width: 48px;
    height: 48px;
    margin-bottom: 16px;
}

.footer-brand p {
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.footer-license {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.footer-links h4 {
    font-size: 1rem;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.footer-links ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

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

.footer-bottom {
    padding-top: 40px;
    border-top: 1px solid var(--border-color);
    text-align: center;
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 768px) {
    :root {
        --section-padding: 60px;
    }
    
    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--bg-surface);
        flex-direction: column;
        padding: 24px;
        gap: 16px;
        transform: translateY(-100%);
        opacity: 0;
        pointer-events: none;
        transition: var(--transition);
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        pointer-events: all;
    }
    
    .nav-toggle {
        display: block;
    }
    
    .hero {
        padding: 100px 0 40px;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .level-card {
        flex-direction: column;
    }
    
    .carousel-container {
        flex-wrap: wrap;
    }
    
    .carousel-btn {
        width: 40px;
        height: 40px;
    }
    
    .carousel-btn-prev {
        order: 1;
    }
    
    .carousel-viewport {
        order: 0;
        flex: 0 0 100%;
    }
    
    .carousel-btn-next {
        order: 2;
    }
    
    .carousel-indicators {
        order: 3;
        flex: 0 0 100%;
        margin-top: 16px;
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .footer-brand {
        grid-column: span 2;
    }
}

@media (max-width: 480px) {
    .hero-buttons {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-brand {
        grid-column: span 1;
    }
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-target {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-target.animate-in {
    opacity: 1;
    transform: translateY(0);
}

/* Staggered animation delays */
.features-grid .feature-card:nth-child(1) { transition-delay: 0s; }
.features-grid .feature-card:nth-child(2) { transition-delay: 0.1s; }
.features-grid .feature-card:nth-child(3) { transition-delay: 0.2s; }
.features-grid .feature-card:nth-child(4) { transition-delay: 0.3s; }

.customization-levels .level-card:nth-child(1) { transition-delay: 0s; }
.customization-levels .level-card:nth-child(2) { transition-delay: 0.1s; }
.customization-levels .level-card:nth-child(3) { transition-delay: 0.2s; }
.customization-levels .level-card:nth-child(4) { transition-delay: 0.3s; }
.customization-levels .level-card:nth-child(5) { transition-delay: 0.4s; }

/* Navbar scroll effect */
.navbar.scrolled {
    background: rgba(10, 10, 15, 0.95);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

/* Hero animation */
.hero-content {
    animation: fadeInUp 0.8s ease forwards;
}

.hero-showcase {
    animation: fadeInUp 1s ease 0.3s forwards;
    opacity: 0;
}

/* Glow effects */
.showcase-frame {
    position: relative;
}

.showcase-frame::before {
    content: '';
    position: absolute;
    inset: -2px;
    background: linear-gradient(135deg, var(--primary), var(--secondary), var(--accent));
    border-radius: 18px;
    z-index: -1;
    opacity: 0;
    transition: opacity 0.5s ease;
}

.showcase-frame:hover::before {
    opacity: 0.5;
}

/* Legal Pages */
.legal-content {
    padding: 120px 0 80px;
    min-height: calc(100vh - 200px);
}

.legal-content .container {
    max-width: 800px;
}

.legal-content h1 {
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--primary);
    padding-bottom: 1.5rem;
    border-bottom: 2px solid var(--border-color);
}

.legal-content h2 {
    font-size: 1.6rem;
    margin-top: 3.5rem;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
    padding-top: 1rem;
}

.legal-content h2:first-of-type {
    margin-top: 0;
    padding-top: 0;
}

.legal-content h3 {
    font-size: 1.25rem;
    margin-top: 2.5rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.legal-content p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.9;
    text-align: justify;
    hyphens: auto;
}

.legal-content hr {
    border: none;
    border-top: 1px solid var(--border-color);
    margin: 3.5rem 0;
}

.legal-content ul {
    color: var(--text-secondary);
    margin-left: 1.5rem;
    margin-bottom: 1.5rem;
    line-height: 1.9;
}

.legal-content li {
    margin-bottom: 0.75rem;
    padding-left: 0.5rem;
}

.legal-content a {
    color: var(--primary);
    text-decoration: none;
    transition: color var(--transition);
}

.legal-content a:hover {
    color: var(--secondary);
    text-decoration: underline;
}

/* Address/Contact Block Styling */
.legal-content p br {
    display: block;
    content: "";
    margin-bottom: 0.25rem;
}

.footer-legal-links {
    margin-top: 0.5rem;
    font-size: 0.9rem;
}

.footer-legal-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color var(--transition);
}

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

/* Blog */
.blog-hero {
    padding: 160px 0 40px;
    text-align: center;
}

.blog-hero .section-subtitle {
    margin-top: 8px;
}

.blog-list {
    padding: 20px 0 100px;
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
}

.blog-card {
    display: flex;
    flex-direction: column;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 28px;
    transition: var(--transition);
}

.blog-card:hover {
    transform: translateY(-4px);
    border-color: var(--primary);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.blog-badge {
    display: inline-block;
    align-self: flex-start;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: var(--bg-dark);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 4px 12px;
    border-radius: 999px;
    margin-bottom: 12px;
}

.blog-card-date {
    display: block;
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-bottom: 8px;
}

.blog-card h2 {
    font-size: 1.3rem;
    margin-bottom: 12px;
}

.blog-card h2 a {
    color: var(--text-primary);
}

.blog-card h2 a:hover {
    color: var(--primary);
}

.blog-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    flex: 1;
    margin-bottom: 16px;
    overflow-wrap: break-word;
}

.blog-read-more {
    font-weight: 600;
    font-size: 0.9rem;
    align-self: flex-start;
}

.blog-empty {
    color: var(--text-secondary);
    text-align: center;
}

/* Blog Post */
.blog-post {
    padding: 140px 0 80px;
}

.blog-post-container {
    max-width: 760px;
}

.blog-back-link {
    display: inline-block;
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 32px;
}

.blog-back-link:hover {
    color: var(--primary);
}

.blog-post-header {
    margin-bottom: 40px;
}

.blog-post-header h1 {
    font-size: 2.25rem;
    margin: 12px 0 16px;
}

.blog-post-meta {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.blog-tags {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.blog-tag {
    background: var(--bg-elevated);
    color: var(--text-secondary);
    padding: 2px 10px;
    border-radius: 999px;
    font-size: 0.8rem;
}

.blog-tag:hover {
    color: var(--primary);
}

.blog-tags-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 40px;
}

.blog-tag-large {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 8px 18px;
    border-radius: 999px;
    font-size: 0.95rem;
    transition: var(--transition);
}

.blog-tag-large:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.blog-tag-count {
    color: var(--text-muted);
    font-size: 0.8rem;
}

.blog-post-content {
    color: var(--text-secondary);
    font-size: 1.05rem;
    line-height: 1.9;
}

.blog-post-content h2 {
    color: var(--text-primary);
    font-size: 1.6rem;
    margin: 2.5rem 0 1rem;
}

.blog-post-content h3 {
    color: var(--text-primary);
    font-size: 1.25rem;
    margin: 2rem 0 1rem;
}

.blog-post-content p {
    margin-bottom: 1.5rem;
}

.blog-post-content ul,
.blog-post-content ol {
    margin: 0 0 1.5rem 1.5rem;
}

.blog-post-content li {
    margin-bottom: 0.5rem;
}

.blog-post-content a {
    color: var(--primary);
    text-decoration: underline;
}

.blog-post-content a:hover {
    color: var(--secondary);
}

.blog-post-content code {
    color: var(--secondary);
}

.blog-post-content pre {
    background: var(--bg-elevated);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 20px;
    overflow-x: auto;
    margin-bottom: 1.5rem;
}

.blog-post-content pre code {
    background: none;
    padding: 0;
}

.blog-post-content blockquote {
    border-left: 3px solid var(--primary);
    padding-left: 20px;
    color: var(--text-muted);
    font-style: italic;
    margin: 0 0 1.5rem;
}

.blog-post-content img {
    border-radius: 12px;
    margin: 1.5rem 0;
}

.footer-minimal {
    padding: 60px 0 40px;
}

@media (max-width: 768px) {
    .blog-hero {
        padding-top: 120px;
    }

    .blog-post {
        padding-top: 110px;
    }

    .blog-post-header h1 {
        font-size: 1.75rem;
    }
}