/* Design system variables */
:root {
    --bg-dark: #0a0a0c;
    --bg-card: #121216;
    --border-color: rgba(255, 255, 255, 0.08);
    --border-color-glow: rgba(0, 229, 255, 0.2);
    --text-primary: #f0f0f5;
    --text-secondary: #a0a0b0;
    --color-cyan: #00e5ff;
    --color-orange: #ff9100;
    --color-green: #00ff66;
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    --glow-cyan: 0 0 15px rgba(0, 229, 255, 0.4);
    --glow-orange: 0 0 15px rgba(255, 145, 0, 0.4);
}

/* Reset and base styles */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Navigation Header */
.site-header {
    border-bottom: 1px solid var(--border-color);
    padding: 20px 0;
    position: sticky;
    top: 0;
    background: rgba(10, 10, 12, 0.8);
    backdrop-filter: blur(12px);
    z-index: 100;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    filter: drop-shadow(0 0 8px rgba(0, 229, 255, 0.3));
}

.logo-text {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 24px;
    letter-spacing: -0.5px;
    color: var(--text-primary);
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 32px;
}

.main-nav a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.2s ease;
}

.main-nav a:hover {
    color: var(--color-cyan);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s ease;
    cursor: pointer;
    text-align: center;
    border: none;
}

.btn-primary {
    background-color: var(--color-cyan);
    color: #000;
    box-shadow: var(--glow-cyan);
}

.btn-primary:hover {
    background-color: #00b4cc;
    transform: translateY(-2px);
}

.btn-secondary {
    background-color: var(--color-green);
    color: #000;
}

.btn-secondary:hover {
    background-color: #00cc52;
    transform: translateY(-2px);
}

.btn-outline {
    background-color: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-outline:hover {
    border-color: var(--color-cyan);
    color: var(--color-cyan);
    background-color: rgba(0, 229, 255, 0.05);
}

.btn-block {
    display: block;
    width: 100%;
    margin-bottom: 12px;
}

/* Hero Section */
.hero {
    padding: 100px 0 80px 0;
}

.hero-container {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 48px;
    align-items: center;
}

.hero-content h1 {
    font-family: var(--font-heading);
    font-size: 56px;
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -2px;
    margin-bottom: 24px;
}

.text-glow {
    color: var(--color-cyan);
    text-shadow: 0 0 20px rgba(0, 229, 255, 0.3);
}

.version-badge {
    display: inline-block;
    background: rgba(0, 229, 255, 0.1);
    border: 1px solid var(--color-cyan);
    color: var(--color-cyan);
    font-weight: 600;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 13px;
    margin-bottom: 24px;
}

.hero-tagline {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 36px;
}

.hero-actions {
    display: flex;
    gap: 16px;
}

/* Hero Mockup Preview */
.hero-preview {
    display: flex;
    justify-content: center;
}

.mockup-frame {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 8px;
    border-radius: 12px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6), 0 0 40px rgba(0, 229, 255, 0.15);
}

.mockup-img {
    max-width: 100%;
    height: auto;
    border-radius: 6px;
    display: block;
}

/* Features Grid */
.features {
    padding: 80px 0;
    border-top: 1px solid var(--border-color);
}

.section-title {
    font-family: var(--font-heading);
    font-size: 36px;
    font-weight: 800;
    text-align: center;
    margin-bottom: 12px;
}

.section-subtitle {
    font-size: 16px;
    color: var(--text-secondary);
    text-align: center;
    margin-bottom: 48px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 32px;
}

.feature-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 32px;
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: var(--border-color-glow);
    box-shadow: 0 10px 30px rgba(0, 229, 255, 0.05);
}

.feature-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: 10px;
    margin-bottom: 24px;
}

.icon-cyan {
    background: rgba(0, 229, 255, 0.1);
    color: var(--color-cyan);
}

.icon-orange {
    background: rgba(255, 145, 0, 0.1);
    color: var(--color-orange);
}

.icon-green {
    background: rgba(0, 255, 102, 0.1);
    color: var(--color-green);
}

.feature-card h3 {
    font-family: var(--font-heading);
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 12px;
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 14px;
}

/* Browser Demo Visualizer Panel */
.demo-section {
    padding: 80px 0;
    border-top: 1px solid var(--border-color);
    background: radial-gradient(circle at center, rgba(0, 229, 255, 0.03) 0%, transparent 70%);
}

.demo-container {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 24px;
    box-shadow: 0 15px 30px rgba(0,0,0,0.5);
    max-width: 840px;
    margin: 0 auto;
}

.demo-visualizers {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 24px;
}

.canvas-wrapper {
    position: relative;
    width: 100%;
    height: 180px;
    background: #121214;
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    overflow: hidden;
}

.canvas-wrapper canvas {
    width: 100%;
    height: 100%;
    display: block;
}

.canvas-label {
    position: absolute;
    top: 12px;
    left: 15px;
    color: rgba(255, 255, 255, 0.4);
    font-size: 11px;
    font-weight: bold;
    letter-spacing: 1px;
}

.demo-controls {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}

.demo-freq-zoom {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-left: auto;
}

.demo-freq-zoom label {
    font-size: 13px;
    color: var(--text-secondary);
}

.demo-freq-zoom input[type="range"] {
    width: 100px;
    accent-color: var(--color-cyan);
}

#demoZoomLabel {
    font-size: 12px;
    color: var(--color-cyan);
    font-weight: bold;
    min-width: 60px;
}

/* Download Section */
.download-section {
    padding: 80px 0;
    border-top: 1px solid var(--border-color);
}

.download-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
}

.download-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 40px;
    text-align: center;
    transition: all 0.3s ease;
}

.download-card:hover {
    border-color: var(--border-color-glow);
    transform: translateY(-5px);
}

.os-icon {
    color: var(--color-cyan);
    margin-bottom: 24px;
    filter: drop-shadow(0 0 8px rgba(0, 229, 255, 0.2));
}

.download-card h3 {
    font-family: var(--font-heading);
    font-size: 24px;
    margin-bottom: 8px;
}

.download-card p {
    color: var(--text-secondary);
    font-size: 14px;
    margin-bottom: 32px;
}

/* Footer */
.site-footer {
    padding: 40px 0;
    border-top: 1px solid var(--border-color);
    background: #050507;
    color: var(--text-secondary);
    font-size: 14px;
}

.footer-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.footer-links {
    display: flex;
    gap: 24px;
}

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

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

/* DAW Sync Simulator */
.daw-simulator-panel {
    background: rgba(255, 145, 0, 0.05);
    border: 1px solid rgba(255, 145, 0, 0.25);
    border-radius: 8px;
    padding: 16px;
    margin-bottom: 20px;
    display: none; /* Controlled by JS class active */
    flex-direction: column;
    gap: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
}

.daw-simulator-panel.active {
    display: flex;
}

.daw-label {
    font-size: 11px;
    font-weight: 800;
    color: var(--color-orange);
    letter-spacing: 1.5px;
    text-shadow: var(--glow-orange);
}

.daw-controls {
    display: flex;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
}

.daw-timeline-container {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-grow: 1;
}

.daw-timeline-container label {
    font-size: 13px;
    color: var(--text-secondary);
    white-space: nowrap;
}

.daw-timeline-container input[type="range"] {
    flex-grow: 1;
    accent-color: var(--color-orange);
    height: 6px;
    border-radius: 3px;
}

#dawTimeLabel {
    font-size: 13px;
    font-family: monospace;
    color: var(--color-orange);
    font-weight: bold;
    min-width: 60px;
}

.btn-sm {
    padding: 8px 16px;
    font-size: 13px;
}

/* Custom styles for select dropdown */
.demo-control-group {
    display: flex;
    align-items: center;
    gap: 8px;
}

.demo-control-group label {
    font-size: 13px;
    color: var(--text-secondary);
    white-space: nowrap;
}

.demo-select {
    background-color: #121214;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 10px 16px;
    border-radius: 8px;
    font-family: var(--font-body);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    outline: none;
    transition: all 0.2s ease;
}

.demo-select:focus {
    border-color: var(--color-cyan);
    box-shadow: var(--glow-cyan);
}

/* Disabled button state */
.btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    pointer-events: none;
}

/* Layout Modes */
.demo-visualizers.layout-oscilloscope #scopeWrapper {
    height: 400px;
}
.demo-visualizers.layout-oscilloscope #spectrumWrapper,
.demo-visualizers.layout-oscilloscope #waterfallWrapper {
    display: none;
}

.demo-visualizers.layout-spectrum #spectrumWrapper {
    height: 400px;
}
.demo-visualizers.layout-spectrum #scopeWrapper,
.demo-visualizers.layout-spectrum #waterfallWrapper {
    display: none;
}

.demo-visualizers.layout-waterfall #waterfallWrapper {
    height: 400px;
}
.demo-visualizers.layout-waterfall #scopeWrapper,
.demo-visualizers.layout-waterfall #spectrumWrapper {
    display: none;
}

/* Responsive adjustments */
@media(max-width: 768px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-content h1 {
        font-size: 40px;
    }
    
    .hero-actions {
        justify-content: center;
    }
    
    .footer-container {
        flex-direction: column;
        text-align: center;
    }
}