/* 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;
    line-height: 1.6;
    color: #333;
    background-color: #fff;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 {
    font-size: 2.5rem;
    font-weight: 700;
}

h2 {
    font-size: 2rem;
}

h3 {
    font-size: 1.5rem;
}

p {
    margin-bottom: 1rem;
    color: #666;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 500;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.3);
}

.btn-secondary {
    background: #f8f9fa;
    color: #333;
    border: 2px solid #e9ecef;
}

.btn-secondary:hover {
    background: #e9ecef;
    border-color: #dee2e6;
}

.btn-large {
    padding: 16px 32px;
    font-size: 1.1rem;
}

/* Header */
.header {
    background: #fff;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
}

.navbar {
    padding: 1rem 0;
}

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

.nav-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: inherit;
    transition: opacity 0.3s ease;
}

.nav-brand:hover {
    opacity: 0.8;
}

.logo {
    width: 40px;
    height: 40px;
}

.brand-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: #333;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-link:hover,
.nav-link.active {
    color: #667eea;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: #333;
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-align: center;
}

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

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    color: white;
}

.hero-subtitle {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    color: rgba(255, 255, 255, 0.9);
}

.hero-stats {
    display: flex;
    gap: 2rem;
    margin: 2rem 0;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: white;
}

.stat-label {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.8);
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

.hero-image {
    width: 100%;
    max-width: 300px;
    aspect-ratio: 9 / 16;
    overflow: hidden;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
    margin: 0 auto;
}

.hero-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 20px;
}

/* App Info Section */
.app-info {
    padding: 80px 0;
    background: #f8f9fa;
}

.app-info-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}

.info-card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.info-card h3 {
    margin-bottom: 1.5rem;
    color: #333;
}

.info-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.info-item {
    display: flex;
    justify-content: space-between;
    padding: 0.5rem 0;
    border-bottom: 1px solid #eee;
}

.info-label {
    font-weight: 500;
    color: #666;
}

.info-value {
    font-weight: 600;
    color: #333;
}

.requirements {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.req-item {
    padding: 0.5rem 0;
    border-bottom: 1px solid #eee;
}

/* Overview Section */
.overview {
    padding: 80px 0;
}

.overview h2 {
    text-align: center;
    margin-bottom: 3rem;
    color: #333;
}

.overview-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.overview-content p {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    color: #666;
}

/* Features Section */
.features {
    padding: 80px 0;
    background: #f8f9fa;
}

.features h2 {
    text-align: center;
    margin-bottom: 3rem;
    color: #333;
}

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

.feature-card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    text-align: center;
    transition: transform 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
}

.feature-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 1.5rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature-icon img {
    width: 30px;
    height: 30px;
    filter: brightness(0) invert(1);
}

.feature-card h3 {
    margin-bottom: 1rem;
    color: #333;
}

.feature-card p {
    color: #666;
}

/* How to Use Section */
.how-to-use {
    padding: 80px 0;
}

.how-to-use h2 {
    text-align: center;
    margin-bottom: 3rem;
    color: #333;
}

.steps {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    max-width: 800px;
    margin: 0 auto;
}

.step {
    display: flex;
    gap: 2rem;
    align-items: flex-start;
}

.step-number {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.step-content h3 {
    margin-bottom: 0.5rem;
    color: #333;
}

.step-content p {
    color: #666;
}

/* Pros and Cons Section */
.pros-cons {
    padding: 80px 0;
    background: #f8f9fa;
}

.pros-cons h2 {
    text-align: center;
    margin-bottom: 3rem;
    color: #333;
}

.pros-cons-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    max-width: 1000px;
    margin: 0 auto;
}

.pros-section,
.cons-section {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.pros-section h3 {
    color: #28a745;
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
}

.cons-section h3 {
    color: #dc3545;
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
}

.pros-list,
.cons-list {
    list-style: none;
    padding: 0;
}

.pros-list li,
.cons-list li {
    padding: 0.75rem 0;
    border-bottom: 1px solid #eee;
    color: #666;
}

.pros-list li:last-child,
.cons-list li:last-child {
    border-bottom: none;
}

.pros-list li strong,
.cons-list li strong {
    color: #333;
}

/* Review Section */
.review {
    padding: 80px 0;
    background: white;
}

.review h2 {
    text-align: center;
    margin-bottom: 3rem;
    color: #333;
}

.review-content {
    max-width: 800px;
    margin: 0 auto;
    background: #f8f9fa;
    padding: 3rem;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.review-text p {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    color: #666;
}

/* Final Verdict Section */
.final-verdict {
    padding: 80px 0;
    background: #f8f9fa;
}

.final-verdict h2 {
    text-align: center;
    margin-bottom: 3rem;
    color: #333;
}

.verdict-content {
    max-width: 800px;
    margin: 0 auto;
    background: white;
    padding: 3rem;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.verdict-content p {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    color: #666;
    text-align: center;
}

/* CTA Section */
.cta {
    padding: 80px 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-align: center;
}

.cta-content h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: white;
}

.cta-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    color: rgba(255, 255, 255, 0.9);
}

/* Download Page Styles */
.download-hero {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-align: center;
}

.download-content h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: white;
}

.download-subtitle {
    font-size: 1.2rem;
    margin-bottom: 3rem;
    color: rgba(255, 255, 255, 0.9);
}

.download-card {
    background: white;
    padding: 3rem;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
    max-width: 600px;
    margin: 0 auto;
    color: #333;
}

.app-info-download {
    display: flex;
    align-items: center;
    gap: 2rem;
    margin-bottom: 2rem;
}

.app-icon img {
    width: 80px;
    height: 80px;
    border-radius: 15px;
}

.app-details h2 {
    margin-bottom: 0.5rem;
    color: #333;
}

.version {
    color: #667eea;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.size {
    color: #666;
    margin-bottom: 1rem;
}

.rating {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.stars {
    color: #ffc107;
    font-size: 1.2rem;
}

.rating-text {
    color: #666;
    font-size: 0.9rem;
}

.download-button-container {
    text-align: center;
}

.download-btn {
    display: inline-flex;
    align-items: center;
    gap: 1rem;
    background: linear-gradient(135deg, #28a745 0%, #20c997 100%);
    color: white;
    padding: 1rem 2rem;
    border-radius: 12px;
    text-decoration: none;
    font-size: 1.1rem;
    font-weight: 600;
    transition: all 0.3s ease;
    margin-bottom: 1rem;
}

.download-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(40, 167, 69, 0.3);
}

.download-icon {
    font-size: 1.5rem;
}

.download-text {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.download-text small {
    font-size: 0.8rem;
    opacity: 0.9;
}

.download-note {
    color: #28a745;
    font-weight: 500;
    font-size: 0.9rem;
}

/* Requirements Section */
.requirements-section {
    padding: 80px 0;
}

.requirements-section h2 {
    text-align: center;
    margin-bottom: 3rem;
    color: #333;
}

.requirements-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}

.requirement-card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.requirement-card h3 {
    margin-bottom: 1.5rem;
    color: #333;
}

.req-table {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.req-row {
    display: flex;
    justify-content: space-between;
    padding: 0.5rem 0;
    border-bottom: 1px solid #eee;
}

.req-label {
    font-weight: 500;
    color: #666;
}

.req-value {
    font-weight: 600;
    color: #333;
}

/* Installation Preview */
.installation-preview {
    padding: 80px 0;
    background: #f8f9fa;
}

.installation-preview h2 {
    text-align: center;
    margin-bottom: 3rem;
    color: #333;
}

.install-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.install-step {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    text-align: center;
}

.install-step .step-number {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    margin: 0 auto 1rem;
}

.install-step h3 {
    margin-bottom: 1rem;
    color: #333;
}

.install-step p {
    color: #666;
}

.install-note {
    text-align: center;
    background: white;
    padding: 1.5rem;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.install-note a {
    color: #667eea;
    text-decoration: none;
    font-weight: 500;
}

/* Features Preview */
.features-preview {
    padding: 80px 0;
}

.features-preview h2 {
    text-align: center;
    margin-bottom: 3rem;
    color: #333;
}

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

.feature-item {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.feature-content h3 {
    margin-bottom: 0.5rem;
    color: #333;
}

.feature-content p {
    color: #666;
}

/* Security Notice */
.security-notice {
    padding: 80px 0;
    background: #f8f9fa;
}

.security-content {
    display: flex;
    align-items: center;
    gap: 2rem;
    background: white;
    padding: 3rem;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.security-icon {
    font-size: 3rem;
    flex-shrink: 0;
}

.security-text h3 {
    margin-bottom: 1rem;
    color: #333;
}

.security-text p {
    color: #666;
}

/* Installation Page Styles */
.installation-hero {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-align: center;
}

.installation-hero h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: white;
}

.installation-section {
    padding: 80px 0;
}

.installation-section h2 {
    text-align: center;
    margin-bottom: 3rem;
    color: #333;
}

.installation-steps {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    max-width: 800px;
    margin: 0 auto;
}

.step-card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.step-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.step-header .step-number {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.step-header h3 {
    margin: 0;
    color: #333;
}

.step-content ul {
    margin-left: 1.5rem;
    margin-bottom: 1rem;
}

.step-content li {
    margin-bottom: 0.5rem;
    color: #666;
}

.note {
    background: #e3f2fd;
    padding: 1rem;
    border-radius: 8px;
    border-left: 4px solid #2196f3;
    margin-top: 1rem;
}

.note strong {
    color: #1976d2;
}

/* PC Installation */
.pc-installation {
    padding: 80px 0;
    background: #f8f9fa;
}

.pc-installation h2 {
    text-align: center;
    margin-bottom: 1rem;
    color: #333;
}

.section-intro {
    text-align: center;
    margin-bottom: 3rem;
    color: #666;
    font-size: 1.1rem;
}

.pc-steps {
    display: flex;
    flex-direction: column;
    gap: 3rem;
    max-width: 800px;
    margin: 0 auto;
}

.pc-step {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.pc-step h3 {
    margin-bottom: 1rem;
    color: #333;
}

.pc-step p {
    margin-bottom: 1rem;
    color: #666;
}

.emulator-options {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-top: 1rem;
}

.emulator-card {
    background: #f8f9fa;
    padding: 1.5rem;
    border-radius: 10px;
    text-align: center;
}

.emulator-card h4 {
    margin-bottom: 0.5rem;
    color: #333;
}

.emulator-card p {
    margin-bottom: 1rem;
    color: #666;
    font-size: 0.9rem;
}

/* iOS Info */
.ios-info {
    padding: 80px 0;
}

.ios-info h2 {
    text-align: center;
    margin-bottom: 3rem;
    color: #333;
}

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

.ios-notice {
    background: white;
    padding: 3rem;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.ios-notice h3 {
    margin-bottom: 1rem;
    color: #333;
}

.ios-notice h4 {
    margin: 2rem 0 1rem;
    color: #333;
}

.ios-notice ul {
    margin-left: 1.5rem;
    margin-bottom: 1rem;
}

.ios-notice li {
    margin-bottom: 0.5rem;
    color: #666;
}

/* Update Section */
.update-section {
    padding: 80px 0;
    background: #f8f9fa;
}

.update-section h2 {
    text-align: center;
    margin-bottom: 3rem;
    color: #333;
}

.update-content {
    max-width: 800px;
    margin: 0 auto;
    background: white;
    padding: 3rem;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.update-content p {
    margin-bottom: 2rem;
    color: #666;
    font-size: 1.1rem;
}

.update-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

.update-step {
    text-align: center;
}

.update-step h3 {
    margin-bottom: 1rem;
    color: #333;
}

.update-step p {
    color: #666;
    font-size: 1rem;
}

/* Troubleshooting */
.troubleshooting {
    padding: 80px 0;
}

.troubleshooting h2 {
    text-align: center;
    margin-bottom: 3rem;
    color: #333;
}

.troubleshooting-list {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    max-width: 800px;
    margin: 0 auto;
}

.trouble-item {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.trouble-item h3 {
    margin-bottom: 1rem;
    color: #333;
}

.trouble-item p {
    color: #666;
}

.trouble-item strong {
    color: #333;
}

/* FAQ Page Styles */
.faq-hero {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-align: center;
}

.faq-hero h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: white;
}

.faq-content {
    padding: 80px 0;
}

.category-tabs {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.tab-btn {
    padding: 12px 24px;
    border: 2px solid #e9ecef;
    background: white;
    color: #666;
    border-radius: 25px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
}

.tab-btn.active,
.tab-btn:hover {
    background: #667eea;
    color: white;
    border-color: #667eea;
}

.faq-category {
    display: none;
}

.faq-category.active {
    display: block;
}

.faq-item {
    background: white;
    margin-bottom: 1rem;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

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

.faq-question:hover {
    background: #f8f9fa;
}

.faq-question h3 {
    margin: 0;
    color: #333;
    font-size: 1.1rem;
}

.faq-icon {
    font-size: 1.5rem;
    color: #667eea;
    transition: transform 0.3s ease;
}

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

.faq-answer {
    padding: 0 1.5rem;
    max-height: 0;
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-item.active .faq-answer {
    padding: 0 1.5rem 1.5rem;
    max-height: 500px;
}

.faq-answer p {
    margin-bottom: 1rem;
    color: #666;
}

.faq-answer ol,
.faq-answer ul {
    margin-left: 1.5rem;
    margin-bottom: 1rem;
}

.faq-answer li {
    margin-bottom: 0.5rem;
    color: #666;
}

.faq-answer a {
    color: #667eea;
    text-decoration: none;
    font-weight: 500;
}

/* Contact CTA */
.contact-cta {
    padding: 80px 0;
    background: #f8f9fa;
    text-align: center;
}

.contact-cta h2 {
    margin-bottom: 1rem;
    color: #333;
}

.contact-cta p {
    margin-bottom: 2rem;
    color: #666;
    font-size: 1.1rem;
}

/* Contact Page Styles */
.contact-hero {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-align: center;
}

.contact-hero h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: white;
}

.contact-content {
    padding: 80px 0;
}

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

.contact-form-section h2,
.contact-info-section h2 {
    margin-bottom: 2rem;
    color: #333;
}

.contact-form {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: #333;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 2px solid #e9ecef;
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #667eea;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-method {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.method-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.method-content h3 {
    margin-bottom: 0.5rem;
    color: #333;
}

.method-content p {
    margin-bottom: 1rem;
    color: #666;
}

.method-content a {
    color: #667eea;
    text-decoration: none;
    font-weight: 500;
}

.small-text {
    font-size: 0.9rem;
    color: #999;
}

.response-time {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    margin-top: 2rem;
}

.response-time h3 {
    margin-bottom: 1rem;
    color: #333;
}

.time-info {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.time-item {
    padding: 0.5rem 0;
    border-bottom: 1px solid #eee;
    color: #666;
}

.time-item strong {
    color: #333;
}

/* FAQ Quick Links */
.faq-quick-links {
    padding: 80px 0;
    background: #f8f9fa;
}

.faq-quick-links h2 {
    text-align: center;
    margin-bottom: 1rem;
    color: #333;
}

.faq-quick-links p {
    text-align: center;
    margin-bottom: 3rem;
    color: #666;
}

.help-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.help-card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    text-align: center;
}

.help-card h3 {
    margin-bottom: 1rem;
    color: #333;
}

.help-card p {
    margin-bottom: 1.5rem;
    color: #666;
}

.help-link {
    color: #667eea;
    text-decoration: none;
    font-weight: 500;
}

.help-link:hover {
    text-decoration: underline;
}

/* Community Support */
.community-support {
    padding: 80px 0;
}

.community-support h2 {
    text-align: center;
    margin-bottom: 3rem;
    color: #333;
}

.community-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}

.community-item {
    background: white;
    padding: 3rem;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    text-align: center;
}

.community-item h3 {
    margin-bottom: 1rem;
    color: #333;
}

.community-item p {
    margin-bottom: 2rem;
    color: #666;
}

/* Footer */
.footer {
    background: #2c3e50;
    color: white;
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: 1rem;
    color: white;
}

.footer-section p {
    color: #bdc3c7;
    margin-bottom: 1rem;
}

.footer-section ul {
    list-style: none;
}

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

.footer-section ul li a {
    color: #bdc3c7;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: white;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #34495e;
    color: #bdc3c7;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: white;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 2rem 0;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-menu li {
        margin: 1rem 0;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .hero-buttons {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .hero-image {
        max-width: 250px;
        aspect-ratio: 9 / 16;
        margin: 0 auto;
    }
    
    .app-info-grid {
        grid-template-columns: 1fr;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .step {
        flex-direction: column;
        text-align: center;
    }
    
    .download-card {
        padding: 2rem;
    }
    
    .app-info-download {
        flex-direction: column;
        text-align: center;
    }
    
    .requirements-grid {
        grid-template-columns: 1fr;
    }
    
    .install-steps {
        grid-template-columns: 1fr;
    }
    
    .features-list {
        grid-template-columns: 1fr;
    }
    
    .security-content {
        flex-direction: column;
        text-align: center;
    }
    
    .emulator-options {
        grid-template-columns: 1fr;
    }
    
    .update-steps {
        grid-template-columns: 1fr;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .community-content {
        grid-template-columns: 1fr;
    }
    
    .pros-cons-grid {
        grid-template-columns: 1fr;
    }
    
    .category-tabs {
        flex-direction: column;
        align-items: center;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero h1 {
        font-size: 1.8rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .btn {
        padding: 10px 20px;
        font-size: 0.9rem;
    }
    
    .download-card {
        padding: 1.5rem;
    }
    
    .step-card,
    .pc-step,
    .trouble-item {
        padding: 1.5rem;
    }
    
    .contact-form {
        padding: 1.5rem;
    }
    
    .contact-method {
        padding: 1.5rem;
    }
    
    .hero-image {
        max-width: 200px;
        aspect-ratio: 9 / 16;
    }
}

/* Animation Classes */
.fade-in {
    opacity: 1;
    transform: translateY(0);
    transition: all 0.6s ease;
}

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

/* Fix for scroll visibility issues */
.features,
.overview,
.how-to-use,
.review,
.app-info {
    opacity: 1 !important;
    transform: none !important;
}

/* Ensure all sections are visible */
section {
    opacity: 1;
    transform: none;
}

/* Loading Animation */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid #f3f3f3;
    border-top: 3px solid #667eea;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Image Optimization */
img {
    max-width: 100%;
    height: auto;
}

.app-icon img {
    width: 80px;
    height: 80px;
    object-fit: cover;
    border-radius: 15px;
}

.feature-icon img {
    width: 30px;
    height: 30px;
    object-fit: contain;
}

.logo {
    width: 40px;
    height: 40px;
    object-fit: contain;
}

/* Utility Classes */
.text-center {
    text-align: center;
}

.text-left {
    text-align: left;
}

.text-right {
    text-align: right;
}

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 1rem; }
.mb-2 { margin-bottom: 2rem; }
.mb-3 { margin-bottom: 3rem; }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 1rem; }
.mt-2 { margin-top: 2rem; }
.mt-3 { margin-top: 3rem; }

.hidden {
    display: none;
}

.visible {
    display: block;
}