/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Colors based on StageTracker Pro screenshots */
    --color-background: #1a1a1a;
    --color-surface: #2a2a2a;
    --color-surface-light: #3a3a3a;
    --color-primary: #4a9eff;
    --color-primary-hover: #357abd;
    --color-secondary: #52c41a;
    --color-accent: #73d13d;
    --color-text-primary: #ffffff;
    --color-text-secondary: #b3b3b3;
    --color-text-muted: #808080;
    --color-border: #404040;
    --color-border-light: #505050;
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.5);
    
    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.375rem;
    --radius-lg: 0.5rem;
    --radius-xl: 0.75rem;
    --radius-2xl: 1rem;
}

body {
    font-family: var(--font-family);
    background-color: var(--color-background);
    color: var(--color-text-primary);
    line-height: 1.6;
    font-size: var(--font-size-base);
}

/* Layout Utilities */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* Header and Navigation */
.header {
    background-color: #252525;
    border-bottom: 1px solid var(--color-border);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 120px;
}

.logo {
    display: flex;
    align-items: flex-start;
    justify-content: flex-start;
}

.logo h1 {
    color: var(--color-primary);
    font-size: var(--font-size-xl);
    font-weight: 600;
}

.logo a {
    text-decoration: none;
    color: inherit;
    display: inline-flex;
    align-items: center;
}

/* Image logo styling */
.logo-img {
    height: 100px;
    max-height: 114px;
    width: auto;
    display: block;
}
}

/* Extra specificity to guard against global img rules */
.header .logo img {
    height: 135px;
    width: auto;
}

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

.nav-link {
    color: var(--color-text-secondary);
    text-decoration: none;
    font-weight: 500;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    transition: all 0.2s ease;
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-primary);
    background-color: rgba(74, 158, 255, 0.1);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-sm);
}

.bar {
    width: 25px;
    height: 3px;
    background-color: var(--color-text-primary);
    margin: 3px 0;
    transition: 0.3s;
    border-radius: var(--radius-sm);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--radius-lg);
    text-decoration: none;
    font-weight: 500;
    font-size: var(--font-size-base);
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.btn-primary {
    background-color: var(--color-primary);
    color: white;
}

.btn-primary:hover {
    background-color: var(--color-primary-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

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

.btn-secondary:hover {
    background-color: var(--color-primary);
    color: white;
}

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

.btn-outline:hover {
    background-color: var(--color-surface);
    color: var(--color-text-primary);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn:disabled:hover {
    transform: none;
    box-shadow: none;
}

/* Main Content */
main {
    margin-top: 70px;
}

/* Hero Section */
.hero {
    padding: var(--spacing-3xl) 0;
    position: relative;
    overflow: hidden;
    min-height: 80vh;
    display: flex;
    align-items: center;
}

.hero-video-background {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 85%;
    height: 75%;
    transform: translate(-50%, -50%);
    z-index: 0;
    overflow: hidden;
    border-radius: var(--radius-2xl);
    opacity: 0.4;
}

.hero-video-background video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: var(--radius-2xl);
}

.hero-video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(26, 26, 26, 0.4);
    background: linear-gradient(135deg, 
        rgba(26, 26, 26, 0.5) 0%, 
        rgba(42, 42, 42, 0.3) 50%,
        rgba(26, 26, 26, 0.5) 100%);
    z-index: 1;
    border-radius: var(--radius-2xl);
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--color-background) 0%, var(--color-surface) 100%);
    z-index: -1;
}

.hero-container {
    position: relative;
    z-index: 10;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.hero-title {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
    background: linear-gradient(135deg, var(--color-text-primary) 0%, var(--color-primary) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1.2;
}

.hero-description {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xl);
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.waveform-container {
    width: 100%;
    height: 200px;
    background-color: var(--color-surface);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--color-border);
}

.waveform {
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, 
        #1e3a8a 0%,     /* Dark blue */
        #3730a3 25%,    /* Deeper blue */
        #6b46c1 50%,    /* Purple */
        #7c3aed 75%,    /* Violet */
        #1e3a8a 100%);  /* Back to dark blue */
    border-radius: var(--radius-md);
    position: relative;
    overflow: hidden;
}

.waveform::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 400 100"><path d="M0,50 Q50,20 100,50 T200,50 T300,50 T400,50" stroke="white" stroke-width="2" fill="none" opacity="0.6"/><path d="M0,50 Q50,80 100,50 T200,50 T300,50 T400,50" stroke="white" stroke-width="2" fill="none" opacity="0.4"/></svg>');
    background-repeat: repeat-x;
    background-size: 400px 100%;
    animation: wave-scroll 1.5s linear infinite;
}

@keyframes wave-scroll {
    from { background-position: 0 0; }
    to   { background-position: -400px 0; }
}

.animated-text-overlay {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
}

.app-name-text {
    position: absolute;
    font-size: 1.8rem;
    font-weight: 700;
    color: white;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
    white-space: nowrap;
    opacity: 0;
    transform: translateY(30px);
    letter-spacing: 1px;
    transition: transform 600ms ease, opacity 600ms ease;
    will-change: transform, opacity;
}

@media (min-width: 768px) {
    .app-name-text {
        font-size: 2.2rem;
    }
}

@media (min-width: 1024px) {
    .app-name-text {
        font-size: 2.5rem;
    }
}

/* runtime-controlled states */
.app-name-text.show {
    opacity: 1;
    transform: translateY(0);
}

.app-name-text.hide {
    opacity: 0;
    transform: translateY(-30px);
}

/* Delays removed – sequencing handled in JS to avoid overlap */

/* Keyframes removed; JS controls the timing */

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

/* Section Styles */
.section-title {
    font-size: var(--font-size-3xl);
    font-weight: 600;
    text-align: center;
    margin-bottom: var(--spacing-2xl);
    color: var(--color-text-primary);
}

.apps-section {
    padding: var(--spacing-3xl) 0;
    background-color: var(--color-surface);
}

.apps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--spacing-xl);
}

.app-card {
    background-color: var(--color-background);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    transition: all 0.3s ease;
}

.app-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary);
}

.app-card.featured {
    border-color: var(--color-primary);
    background: linear-gradient(135deg, var(--color-background) 0%, rgba(74, 158, 255, 0.05) 100%);
}

.app-icon {
    width: 60px;
    height: 60px;
    background-color: var(--color-surface);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-lg);
    color: var(--color-primary);
}

.app-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--color-text-primary);
}

.app-description {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
}

.app-features {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xl);
}

.feature-tag {
    background-color: var(--color-surface);
    color: var(--color-primary);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-sm);
    font-weight: 500;
    border: 1px solid rgba(74, 158, 255, 0.2);
}

.app-actions {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

/* About Section */
.about-section {
    padding: var(--spacing-3xl) 0;
    background-color: var(--color-background);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.about-text {
    color: var(--color-text-secondary);
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-xl);
    line-height: 1.6;
}

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

.feature-item {
    display: flex;
    gap: var(--spacing-lg);
    align-items: flex-start;
}

.feature-icon {
    width: 40px;
    height: 40px;
    background-color: var(--color-surface);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-secondary);
    flex-shrink: 0;
}

.feature-item h3 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--color-text-primary);
}

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

.about-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.audio-visualizer {
    width: 300px;
    height: 200px;
    background-color: var(--color-surface);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--color-border);
}

.visualizer-bars {
    display: flex;
    align-items: end;
    justify-content: space-between;
    height: 100%;
    gap: var(--spacing-xs);
}

.bar {
    background: linear-gradient(to top, var(--color-secondary), var(--color-accent));
    border-radius: var(--radius-sm);
    flex: 1;
    height: var(--height);
    animation: pulse 2s ease-in-out infinite;
    animation-delay: calc(var(--i) * 0.1s);
}

/* Visualizer height utility classes (replace inline CSS variables) */
.bar.h-20 { --height: 20%; }
.bar.h-40 { --height: 40%; }
.bar.h-60 { --height: 60%; }
.bar.h-80 { --height: 80%; }
.bar.h-45 { --height: 45%; }
.bar.h-70 { --height: 70%; }
.bar.h-30 { --height: 30%; }
.bar.h-90 { --height: 90%; }
.bar.h-50 { --height: 50%; }
.bar.h-65 { --height: 65%; }

.bar:nth-child(1) { animation-delay: 0s; }
.bar:nth-child(2) { animation-delay: 0.1s; }
.bar:nth-child(3) { animation-delay: 0.2s; }
.bar:nth-child(4) { animation-delay: 0.3s; }
.bar:nth-child(5) { animation-delay: 0.4s; }
.bar:nth-child(6) { animation-delay: 0.5s; }
.bar:nth-child(7) { animation-delay: 0.6s; }
.bar:nth-child(8) { animation-delay: 0.7s; }
.bar:nth-child(9) { animation-delay: 0.8s; }
.bar:nth-child(10) { animation-delay: 0.9s; }

@keyframes pulse {
    0%, 100% { transform: scaleY(1); }
    50% { transform: scaleY(1.5); }
}

/* Contact Section */
.contact-section {
    padding: var(--spacing-3xl) 0;
    background-color: var(--color-surface);
    text-align: center;
}

.contact-text {
    color: var(--color-text-secondary);
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.contact-info {
    display: flex;
    justify-content: center;
}

.contact-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-md);
    color: var(--color-primary);
    text-decoration: none;
    font-size: var(--font-size-lg);
    padding: var(--spacing-lg) var(--spacing-xl);
    background-color: var(--color-background);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    transition: all 0.2s ease;
}

.contact-link:hover {
    background-color: var(--color-surface-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.contact-icon {
    font-size: var(--font-size-xl);
}

/* Footer */
.footer {
    background-color: var(--color-background);
    border-top: 1px solid var(--color-border);
    padding: var(--spacing-xl) 0;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
}

.footer-brand h3 {
    color: var(--color-primary);
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-xs);
}

.footer-brand p {
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
}

.footer-links {
    display: flex;
    gap: var(--spacing-lg);
}

.footer-links a {
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: var(--font-size-sm);
    transition: color 0.2s ease;
}

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

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-border);
}

.footer-bottom p {
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
}

/* App-specific styles */
.app-hero {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(135deg, var(--color-background) 0%, var(--color-surface) 100%);
}

.app-hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.app-icon-large {
    width: 100px;
    height: 100px;
    background-color: var(--color-surface);
    border-radius: var(--radius-2xl);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-lg);
    color: var(--color-primary);
    box-shadow: var(--shadow-lg);
}

.app-subtitle {
    font-size: var(--font-size-xl);
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
    font-weight: 500;
}

.app-badges {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xl);
}

.badge {
    background-color: var(--color-surface);
    color: var(--color-secondary);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-sm);
    font-weight: 500;
    border: 1px solid rgba(82, 196, 26, 0.2);
}

.app-preview {
    display: flex;
    justify-content: center;
    align-items: center;
}

.app-mockup {
    width: 100%;
    max-width: 500px;
    background-color: var(--color-surface);
    border-radius: var(--radius-xl);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}

.mockup-header {
    background-color: var(--color-surface-light);
    padding: var(--spacing-md) var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
}

.mockup-controls {
    display: flex;
    gap: var(--spacing-xs);
}

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

.control-dot.red { background-color: #ff5f56; }
.control-dot.yellow { background-color: #ffbd2e; }
.control-dot.green { background-color: #27ca3f; }

.mockup-title {
    color: var(--color-text-primary);
    font-weight: 500;
    font-size: var(--font-size-sm);
}

.mockup-content {
    padding: var(--spacing-lg);
}

.track-list {
    margin-bottom: var(--spacing-lg);
}

.track-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md);
    background-color: var(--color-background);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-sm);
    border: 1px solid var(--color-border);
}

.track-item.active {
    border-color: var(--color-primary);
    background-color: rgba(74, 158, 255, 0.05);
}

.track-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.track-name {
    color: var(--color-text-primary);
    font-weight: 500;
    font-size: var(--font-size-sm);
}

.track-time {
    color: var(--color-text-muted);
    font-size: var(--font-size-xs);
}

.track-controls {
    flex: 1;
    margin-left: var(--spacing-lg);
}

.volume-slider {
    position: relative;
    height: 6px;
    background-color: var(--color-border);
    border-radius: var(--radius-sm);
}

.slider-track {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--color-border);
    border-radius: var(--radius-sm);
}

.slider-fill {
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
    border-radius: var(--radius-sm);
}

/* Slider fill width utility classes (replace inline widths) */
.slider-fill.w-75 { width: 75%; }
.slider-fill.w-60 { width: 60%; }
.slider-fill.w-80 { width: 80%; }

.lyrics-display {
    background-color: var(--color-background);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    border: 1px solid var(--color-border);
    text-align: center;
}

.current-lyric {
    color: var(--color-primary);
    font-size: var(--font-size-lg);
    font-weight: 500;
    margin-bottom: var(--spacing-md);
}

.next-lyric {
    color: var(--color-text-muted);
    font-size: var(--font-size-base);
}

/* App Screenshot Styles */
.app-screenshot {
    width: 100%;
    max-width: 600px;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--color-border);
}

/* App Slideshow Styles */
.app-slideshow {
    width: 100%;
    max-width: 600px;
}

.slideshow-container {
    position: relative;
    width: 100%;
    max-height: 400px; /* Fixed maximum height */
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--color-border);
    background-color: var(--color-surface);
}

.slide {
    display: none;
    width: 100%;
    height: 400px; /* Fixed height for all slides */
    animation: fadeIn 0.5s ease-in-out;
}

.slide.active {
    display: block;
}

.screenshot-image {
    width: 100%;
    height: 100%;
    object-fit: contain; /* Maintain aspect ratio while fitting within container */
    object-position: center;
    display: block;
    background-color: var(--color-background); /* Background for letterboxing if needed */
}

/* Slideshow Navigation Buttons */
.slideshow-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background-color: rgba(0, 0, 0, 0.6);
    color: var(--color-text-primary);
    border: none;
    padding: var(--spacing-md);
    border-radius: 50%;
    cursor: pointer;
    z-index: 10;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
}

.slideshow-btn:hover {
    background-color: rgba(74, 158, 255, 0.8);
    transform: translateY(-50%) scale(1.1);
}

.slideshow-btn.prev {
    left: var(--spacing-md);
}

.slideshow-btn.next {
    right: var(--spacing-md);
}

/* Slideshow Indicators */
.slideshow-indicators {
    position: absolute;
    bottom: var(--spacing-lg);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: var(--spacing-sm);
    z-index: 10;
}

.indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, 0.5);
    background-color: transparent;
    cursor: pointer;
    transition: all 0.3s ease;
}

.indicator.active,
.indicator:hover {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
}

/* Slideshow Animation */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* Responsive slideshow height adjustments */
@media (max-width: 768px) {
    .slideshow-container {
        max-height: 300px;
    }
    
    .slide {
        height: 300px;
    }
}

@media (max-width: 480px) {
    .slideshow-container {
        max-height: 250px;
    }
    
    .slide {
        height: 250px;
    }
    
    .slideshow-btn {
        width: 40px;
        height: 40px;
        padding: var(--spacing-sm);
    }
    
    .slideshow-btn.prev {
        left: var(--spacing-sm);
    }
    
    .slideshow-btn.next {
        right: var(--spacing-sm);
    }
}

/* Features Section */
.features-section {
    padding: var(--spacing-3xl) 0;
    background-color: var(--color-background);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
}

.feature-card {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    text-align: center;
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary);
}

.feature-card .feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-lg);
    background-color: var(--color-background);
    color: var(--color-primary);
}

.feature-card h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--color-text-primary);
}

.feature-card p {
    color: var(--color-text-secondary);
    line-height: 1.6;
}

/* Download Section */
.download-section {
    padding: var(--spacing-3xl) 0;
    background-color: var(--color-surface);
}

.download-description {
    color: var(--color-text-secondary);
    font-size: var(--font-size-lg);
    text-align: center;
    margin-bottom: var(--spacing-2xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.download-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-3xl);
}

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

.download-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary);
}

.platform-icon {
    width: 60px;
    height: 60px;
    background-color: var(--color-surface);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-lg);
    color: var(--color-primary);
}

.download-card h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-primary);
}

.download-card p {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-lg);
}

.pricing-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    max-width: 800px;
    margin: 0 auto;
}

.price-card {
    background-color: var(--color-background);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    text-align: center;
    transition: all 0.3s ease;
}

.price-card.featured {
    border-color: var(--color-primary);
    background: linear-gradient(135deg, var(--color-background) 0%, rgba(74, 158, 255, 0.05) 100%);
    transform: scale(1.05);
}

.price-card h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--color-text-primary);
}

.price {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

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

.price-card .features-list {
    list-style: none;
    text-align: left;
}

.price-card .features-list li {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-sm);
    padding-left: var(--spacing-lg);
    position: relative;
}

.price-card .features-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-secondary);
    font-weight: bold;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: var(--color-surface);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: var(--shadow-lg);
        border-top: 1px solid var(--color-border);
        padding: var(--spacing-lg) 0;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-toggle {
        display: flex;
    }

    .hero-container,
    .about-grid,
    .app-hero-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
        text-align: center;
    }

    .hero-title {
        font-size: var(--font-size-3xl);
    }

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

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

    .footer-content {
        flex-direction: column;
        gap: var(--spacing-lg);
        text-align: center;
    }

    .footer-links {
        justify-content: center;
    }

    .container {
        padding: 0 var(--spacing-md);
    }

    .nav-container {
        padding: 0 var(--spacing-md);
    }

    .price-card.featured {
        transform: none;
    }
}

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

    .section-title {
        font-size: var(--font-size-2xl);
    }

    .hero-buttons,
    .app-actions {
        flex-direction: column;
        align-items: center;
    }

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

    .download-grid,
    .pricing-info {
        grid-template-columns: 1fr;
    }
}

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

.hero-content,
.app-info {
    animation: fadeInUp 0.8s ease-out;
}

.hero-visual,
.app-preview {
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 8px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--color-border);
    border-radius: var(--radius-sm);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-border-light);
}

/* Focus Styles */
.btn:focus,
.nav-link:focus,
.contact-link:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}