/* CSS Variables */
:root {
    --background: hsl(222, 47%, 11%);
    --foreground: hsl(213, 31%, 91%);
    --card: hsl(222, 47%, 11%);
    --card-foreground: hsl(213, 31%, 91%);
    --popover: hsl(222, 47%, 11%);
    --popover-foreground: hsl(213, 31%, 91%);
    --primary: hsl(217, 91%, 60%);
    --primary-foreground: hsl(222, 47%, 11%);
    --secondary: hsl(215, 27.9%, 16.9%);
    --secondary-foreground: hsl(213, 31%, 91%);
    --muted: hsl(215, 27.9%, 16.9%);
    --muted-foreground: hsl(215.4, 16.3%, 56.9%);
    --accent: hsl(215, 27.9%, 16.9%);
    --accent-foreground: hsl(213, 31%, 91%);
    --destructive: hsl(0, 62.8%, 30.6%);
    --destructive-foreground: hsl(213, 31%, 91%);
    --border: hsl(215, 27.9%, 16.9%);
    --input: hsl(215, 27.9%, 16.9%);
    --ring: hsl(217, 91%, 60%);
    --radius: 0.5rem;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--background);
    color: var(--foreground);
    line-height: 1.6;
    font-feature-settings: 'cv02', 'cv03', 'cv04', 'cv11';
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    z-index: 1000;
    transition: all 0.3s ease;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--foreground);
}

.logo {
    width: 32px;
    height: 32px;
}

.logo-text {
    background: linear-gradient(135deg, #8B5CF6, #3B82F6, #06B6D4);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    color: var(--muted-foreground);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: width 0.3s ease;
}

.nav-link:hover::after {
    width: 100%;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: var(--foreground);
    transition: all 0.3s ease;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius);
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    font-size: 0.875rem;
    line-height: 1.25rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), #8B5CF6);
    color: white;
    box-shadow: 0 4px 14px 0 rgba(59, 130, 246, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px 0 rgba(59, 130, 246, 0.4);
}

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

.btn-secondary:hover {
    background: var(--accent);
    transform: translateY(-1px);
}

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

.btn-outline:hover {
    background: var(--accent);
    transform: translateY(-1px);
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

.btn-icon {
    width: 20px;
    height: 20px;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--background) 0%, var(--muted) 100%);
    padding: 8rem 0 4rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 50% 50%, rgba(59, 130, 246, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(139, 92, 246, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(6, 182, 212, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(59, 130, 246, 0.05) 0%, transparent 50%);
    pointer-events: none;
    animation: gradientShift 8s ease infinite;
}

/* Particle System */
.particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    overflow: hidden;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--primary);
    border-radius: 50%;
    opacity: 0.6;
    animation: particle 15s linear infinite;
}

.particle:nth-child(odd) {
    background: #8B5CF6;
    animation-duration: 20s;
}

.particle:nth-child(3n) {
    background: #06B6D4;
    animation-duration: 25s;
}

.particle:nth-child(4n) {
    background: #10B981;
    animation-duration: 18s;
}

/* Typing Animation */
.typing-text {
    display: inline-block;
    overflow: hidden;
    border-right: 2px solid var(--primary);
    white-space: nowrap;
    margin: 0 auto;
    animation: typing 3s steps(40, end), blink 0.75s step-end infinite;
}

/* Floating Elements */
.floating-element {
    position: absolute;
    animation: float 6s ease-in-out infinite;
}

.floating-element:nth-child(2n) {
    animation-delay: -2s;
    animation-duration: 8s;
}

.floating-element:nth-child(3n) {
    animation-delay: -4s;
    animation-duration: 10s;
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 3rem;
    margin-top: 3rem;
    flex-wrap: wrap;
}

.hero-stats .stat-item {
    text-align: center;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.hero-stats .stat-item:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.08);
}

.hero-stats .stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 0.5rem;
    display: block;
}

.hero-stats .stat-label {
    color: var(--muted-foreground);
    font-size: 0.875rem;
    font-weight: 500;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--foreground);
    line-height: 1.2;
}

.gradient-text {
    background: linear-gradient(135deg, #8B5CF6, #3B82F6, #06B6D4);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 1.25rem;
    color: var(--muted-foreground);
    max-width: 600px;
    margin: 0 auto 3rem;
    line-height: 1.6;
}

/* Browser Demo Section */
.browser-demo {
    background: var(--muted);
    padding: 4rem 0;
}

.browser-mockup {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    max-width: 1000px;
    margin: 0 auto;
}

.browser-header {
    background: var(--accent);
    padding: 1rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    border-bottom: 1px solid var(--border);
}

.browser-controls {
    display: flex;
    gap: 0.5rem;
}

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

.control-dot.red {
    background: #ff5f57;
}

.control-dot.yellow {
    background: #ffbd2e;
}

.control-dot.green {
    background: #28ca42;
}

.browser-url {
    flex: 1;
    background: var(--background);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 0.5rem 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--muted-foreground);
    font-size: 0.875rem;
}

.lock-icon {
    width: 16px;
    height: 16px;
    color: #10B981;
}

.browser-actions {
    display: flex;
    gap: 0.5rem;
}

.browser-action-btn {
    background: var(--background);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 0.5rem;
    color: var(--muted-foreground);
    cursor: pointer;
    transition: all 0.3s ease;
}

.browser-action-btn:hover {
    background: var(--accent);
    color: var(--foreground);
}

.browser-action-btn svg {
    width: 16px;
    height: 16px;
}

.browser-content {
    display: flex;
    min-height: 500px;
}

.browser-sidebar {
    width: 200px;
    background: var(--accent);
    border-right: 1px solid var(--border);
    padding: 1.5rem 0;
}

.sidebar-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1.5rem;
    color: var(--muted-foreground);
    cursor: pointer;
    transition: all 0.3s ease;
    border-left: 3px solid transparent;
}

.sidebar-item:hover {
    background: var(--background);
    color: var(--foreground);
}

.sidebar-item.active {
    background: var(--background);
    color: var(--foreground);
    border-left-color: var(--primary);
}

.sidebar-item svg {
    width: 20px;
    height: 20px;
}

.browser-main {
    flex: 1;
    padding: 2rem;
    background: var(--background);
}

.welcome-section {
    margin-bottom: 2rem;
}

.welcome-section h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--foreground);
}

.welcome-section p {
    color: var(--muted-foreground);
    font-size: 1.125rem;
    line-height: 1.6;
}

.feature-highlights {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.feature-highlight {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    background: var(--accent);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--foreground);
    font-weight: 500;
    transition: all 0.3s ease;
}

.feature-highlight:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.feature-icon {
    width: 40px;
    height: 40px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.feature-icon.ai {
    background: linear-gradient(135deg, #8B5CF6, #EC4899);
}

.feature-icon.automation {
    background: linear-gradient(135deg, #F59E0B, #EF4444);
}

.feature-icon.security {
    background: linear-gradient(135deg, #10B981, #059669);
}

.feature-icon svg {
    width: 20px;
    height: 20px;
}

.ai-chat-demo {
    background: var(--accent);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1.5rem;
    margin-top: 2rem;
}

.chat-message {
    margin-bottom: 1rem;
    display: flex;
}

.chat-message.ai {
    justify-content: flex-start;
}

.chat-message.user {
    justify-content: flex-end;
}

.message-content {
    max-width: 70%;
    padding: 0.75rem 1rem;
    border-radius: 12px;
    font-size: 0.875rem;
    line-height: 1.5;
}

.chat-message.ai .message-content {
    background: var(--background);
    color: var(--foreground);
}

.chat-message.user .message-content {
    background: var(--primary);
    color: white;
}

.chat-input {
    display: flex;
    gap: 0.75rem;
    margin-top: 1rem;
}

.chat-input input {
    flex: 1;
    background: var(--background);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 0.75rem 1rem;
    color: var(--foreground);
    font-size: 0.875rem;
}

.chat-input input::placeholder {
    color: var(--muted-foreground);
}

.send-btn {
    background: var(--primary);
    color: white;
    border: none;
    border-radius: 8px;
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.send-btn:hover {
    background: #2563eb;
    transform: translateY(-1px);
}

/* Sections */
section {
    padding: 5rem 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--foreground);
    font-weight: 700;
}

.section-description {
    font-size: 1.125rem;
    color: var(--muted-foreground);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

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

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

.feature-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.feature-card .feature-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 1.5rem;
    background: var(--primary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.feature-card .feature-icon svg {
    width: 30px;
    height: 30px;
}

.feature-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--foreground);
}

.feature-description {
    color: var(--muted-foreground);
    line-height: 1.6;
}

/* Download Section */
.download {
    background: var(--muted);
}

.download-content {
    text-align: center;
}

.download-info h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--foreground);
}

.download-info p {
    color: var(--muted-foreground);
    margin-bottom: 2rem;
    font-size: 1.125rem;
}

.download-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Beta Section */
.beta-section {
    background: var(--background);
}

.beta-content {
    max-width: 600px;
    margin: 0 auto;
}

.beta-form {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 2rem;
}

/* About Section */
.about {
    background: var(--muted);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-text h3 {
    color: var(--foreground);
    margin-bottom: 1rem;
    font-size: 1.5rem;
    font-weight: 600;
}

.about-text p {
    color: var(--muted-foreground);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 2rem;
}

.stat-item {
    text-align: center;
    padding: 1.5rem;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 12px;
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 0.5rem;
}

.stat-label {
    color: var(--muted-foreground);
    font-size: 0.875rem;
}

/* FAQ Section */
.faq {
    background: var(--muted);
}

.faq-content {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 12px;
    margin-bottom: 1rem;
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.faq-question:hover {
    background: var(--accent);
}

.faq-question h3 {
    color: var(--foreground);
    font-size: 1.125rem;
    font-weight: 600;
    margin: 0;
}

.faq-icon {
    font-size: 1.5rem;
    color: var(--primary);
    font-weight: 300;
    transition: transform 0.3s ease;
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 200px;
}

.faq-answer p {
    padding: 0 1.5rem 1.5rem;
    color: var(--muted-foreground);
    line-height: 1.6;
    margin: 0;
}

/* Contact Section */
.contact {
    background: var(--background);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-info h3 {
    color: var(--foreground);
    margin-bottom: 1rem;
    font-size: 1.5rem;
    font-weight: 600;
}

.contact-info p {
    color: var(--muted-foreground);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
    padding: 1rem;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 8px;
}

.contact-icon {
    width: 40px;
    height: 40px;
    background: var(--primary);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.contact-icon svg {
    width: 20px;
    height: 20px;
}

.contact-details h4 {
    margin: 0;
    color: var(--foreground);
    font-size: 1rem;
    font-weight: 600;
}

.contact-details p {
    margin: 0;
    color: var(--muted-foreground);
    font-size: 0.875rem;
}

.contact-form {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 2rem;
}

.contact-form h3 {
    color: var(--foreground);
    margin-bottom: 1.5rem;
    font-size: 1.25rem;
    font-weight: 600;
}

/* Footer */
.footer {
    background: var(--muted);
    border-top: 1px solid var(--border);
    padding: 3rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-brand h3 {
    color: var(--foreground);
    margin-bottom: 1rem;
    font-size: 1.25rem;
    font-weight: 600;
}

.footer-brand p {
    color: var(--muted-foreground);
    margin-bottom: 1rem;
    line-height: 1.6;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
    font-weight: 600;
    color: var(--foreground);
}

.footer-links h4 {
    color: var(--foreground);
    margin-bottom: 1rem;
    font-size: 1rem;
    font-weight: 600;
}

.footer-links ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li {
    margin-bottom: 0.5rem;
}

.footer-links a {
    color: var(--muted-foreground);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.footer-bottom {
    border-top: 1px solid var(--border);
    padding-top: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--muted-foreground);
    font-size: 0.875rem;
}

.footer-legal {
    display: flex;
    gap: 2rem;
}

.footer-legal a {
    color: var(--muted-foreground);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

/* Forms */
.form-group {
    margin-bottom: 1.5rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    background: var(--background);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 0.75rem 1rem;
    color: var(--foreground);
    font-size: 0.875rem;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--muted-foreground);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* Modals */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    z-index: 2000;
    backdrop-filter: blur(4px);
}

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 12px;
    width: 90%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    border-bottom: 1px solid var(--border);
}

.modal-header h3 {
    color: var(--foreground);
    font-size: 1.25rem;
    font-weight: 600;
}

.modal-close {
    background: none;
    border: none;
    color: var(--muted-foreground);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.25rem;
    transition: color 0.3s ease;
}

.modal-close:hover {
    color: var(--foreground);
}

.modal-body {
    padding: 1.5rem;
}

.modal-footer {
    text-align: center;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border);
}

.modal-footer a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 500;
}

.modal-footer a:hover {
    text-decoration: underline;
}

/* Advanced Animations */
@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

@keyframes pulse-glow {
    0%, 100% { box-shadow: 0 0 5px rgba(59, 130, 246, 0.5); }
    50% { box-shadow: 0 0 20px rgba(59, 130, 246, 0.8); }
}

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

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes slideInDown {
    from {
        opacity: 0;
        transform: translateY(-50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes typing {
    from { width: 0; }
    to { width: 100%; }
}

@keyframes blink {
    0%, 50% { border-color: transparent; }
    51%, 100% { border-color: var(--primary); }
}

@keyframes countUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

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

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

@keyframes particle {
    0% { transform: translateY(0px) rotate(0deg); opacity: 1; }
    100% { transform: translateY(-1000px) rotate(720deg); opacity: 0; }
}

.animate-spin-slow {
    animation: spin 20s linear infinite;
}

.animate-pulse {
    animation: pulse 2s infinite;
}

.animate-pulse-glow {
    animation: pulse-glow 2s infinite;
}

.animate-fade-in-up {
    animation: fadeInUp 0.8s ease-out forwards;
}

.animate-fade-in-left {
    animation: fadeInLeft 0.8s ease-out forwards;
}

.animate-fade-in-right {
    animation: fadeInRight 0.8s ease-out forwards;
}

.animate-scale-in {
    animation: scaleIn 0.6s ease-out forwards;
}

.animate-slide-in-down {
    animation: slideInDown 0.8s ease-out forwards;
}

.animate-typing {
    animation: typing 3s steps(40, end), blink 0.75s step-end infinite;
    white-space: nowrap;
    overflow: hidden;
    border-right: 2px solid var(--primary);
}

.animate-count-up {
    animation: countUp 1s ease-out forwards;
}

.animate-gradient {
    background-size: 200% 200%;
    animation: gradientShift 3s ease infinite;
}

.animate-float {
    animation: float 3s ease-in-out infinite;
}

.animate-shimmer {
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    background-size: 200% 100%;
    animation: shimmer 2s infinite;
}

/* Scroll-triggered animations */
.fade-in-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease-out;
}

.fade-in-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

.slide-in-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: all 0.8s ease-out;
}

.slide-in-left.visible {
    opacity: 1;
    transform: translateX(0);
}

.slide-in-right {
    opacity: 0;
    transform: translateX(50px);
    transition: all 0.8s ease-out;
}

.slide-in-right.visible {
    opacity: 1;
    transform: translateX(0);
}

.scale-in-on-scroll {
    opacity: 0;
    transform: scale(0.8);
    transition: all 0.8s ease-out;
}

.scale-in-on-scroll.visible {
    opacity: 1;
    transform: scale(1);
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--card);
        border: 1px solid var(--border);
        border-top: none;
        flex-direction: column;
        padding: 1rem;
        gap: 1rem;
    }

    .nav-menu.active {
        display: flex;
    }

    .nav-actions {
        display: none;
    }

    .nav-toggle {
        display: flex;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-description {
        font-size: 1.125rem;
    }

    .browser-content {
        flex-direction: column;
    }

    .browser-sidebar {
        width: 100%;
        display: flex;
        padding: 1rem;
        gap: 1rem;
        overflow-x: auto;
    }

    .sidebar-item {
        white-space: nowrap;
        border-left: none;
        border-bottom: 3px solid transparent;
    }

    .sidebar-item.active {
        border-left: none;
        border-bottom-color: var(--primary);
    }

    .feature-highlights {
        flex-direction: column;
    }

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

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

    .about-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .about-stats {
        grid-template-columns: 1fr;
    }

    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

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

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .hero {
        padding: 6rem 0 3rem;
    }

    .hero-title {
        font-size: 2rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .browser-main {
        padding: 1rem;
    }

    .welcome-section h2 {
        font-size: 1.5rem;
    }

    .feature-card {
        padding: 1.5rem;
    }

    .modal-content {
        width: 95%;
        margin: 1rem;
    }
}