/* 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: #ffffff;
}

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

h1 {
    font-size: 3.5rem;
    font-weight: 700;
}

h2 {
    font-size: 2.5rem;
}

h3 {
    font-size: 1.5rem;
}

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

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 85, 255, 0.1);
    z-index: 1000;
    padding: 1rem 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.logo {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    background: #0055FF;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: #0055FF;
}

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

.nav-link {
    text-decoration: none;
    color: #666;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: #0055FF;
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 100%;
    height: 2px;
    background: #0055FF;
    border-radius: 1px;
}

.download-btn {
    background: #0055FF;
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(0, 85, 255, 0.3);
}

.download-btn:hover {
    background: #0044DD;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 85, 255, 0.4);
}

/* Hero Section */
.hero {
    padding: 8rem 0 4rem;
    background: linear-gradient(135deg, #f8faff 0%, #ffffff 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
}

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

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    color: #1a1a1a;
}

.highlight {
    color: #0055FF;
    position: relative;
}

.highlight::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, #0055FF, #00AAFF);
    border-radius: 2px;
    opacity: 0.3;
}

.hero-subtitle {
    font-size: 1.25rem;
    line-height: 1.6;
    margin-bottom: 2rem;
    color: #666;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
}

.cta-primary {
    background: #0055FF;
    color: white;
    padding: 1rem 2rem;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 20px rgba(0, 85, 255, 0.3);
}

.cta-primary:hover {
    background: #0044DD;
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(0, 85, 255, 0.4);
}

.cta-secondary {
    background: transparent;
    color: #0055FF;
    padding: 1rem 2rem;
    border: 2px solid #0055FF;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
}

.cta-secondary:hover {
    background: #0055FF;
    color: white;
    transform: translateY(-2px);
}

.hero-features {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.feature-pill {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: white;
    padding: 0.75rem 1rem;
    border-radius: 50px;
    border: 1px solid rgba(0, 85, 255, 0.2);
    font-size: 0.9rem;
    font-weight: 500;
    color: #333;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.pill-icon {
    font-size: 1.2rem;
}

/* Browser Mockup */
.hero-visual {
    position: relative;
}

.browser-mockup {
    background: white;
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    transform: perspective(1000px) rotateY(-5deg) rotateX(5deg);
    transition: transform 0.3s ease;
}

.browser-mockup:hover {
    transform: perspective(1000px) rotateY(0deg) rotateX(0deg);
}

.browser-header {
    background: #f5f5f5;
    padding: 1rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    border-bottom: 1px solid #e0e0e0;
}

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

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

.control.red { background: #ff5f57; }
.control.yellow { background: #ffbd2e; }
.control.green { background: #28ca42; }

.browser-url {
    background: white;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    color: #666;
    font-size: 0.9rem;
    flex: 1;
}

.browser-content {
    padding: 2rem;
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 2rem;
}

.quiz-question h3 {
    color: #0055FF;
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.quiz-question p {
    margin-bottom: 1.5rem;
    color: #333;
}

.quiz-options {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.option {
    padding: 0.75rem;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.9rem;
}

.option:hover {
    border-color: #0055FF;
    background: rgba(0, 85, 255, 0.05);
}

.ai-dot {
    width: 8px;
    height: 8px;
    background: #0055FF;
    border-radius: 50%;
    animation: pulse 2s infinite;
}

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

.ai-panel {
    background: linear-gradient(135deg, #f8faff 0%, #ffffff 100%);
    border: 1px solid rgba(0, 85, 255, 0.2);
    border-radius: 12px;
    padding: 1.5rem;
}

.ai-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
    font-weight: 600;
    color: #0055FF;
}

.ai-icon {
    font-size: 1.2rem;
}

.ai-content p {
    font-size: 0.9rem;
    margin-bottom: 0.75rem;
    color: #333;
}

.show-more {
    background: #0055FF;
    color: white;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    font-size: 0.9rem;
    cursor: pointer;
    transition: background 0.3s ease;
}

.show-more:hover {
    background: #0044DD;
}

/* Section Headers */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    margin-bottom: 1rem;
    color: #1a1a1a;
}

.section-header p {
    font-size: 1.2rem;
    color: #666;
    max-width: 600px;
    margin: 0 auto;
}

/* Features Section */
.features {
    padding: 6rem 0;
    background: white;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: white;
    border: 1px solid rgba(0, 85, 255, 0.1);
    border-radius: 16px;
    padding: 2rem;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, #0055FF, #00AAFF);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0, 85, 255, 0.15);
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    display: block;
}

.feature-card h3 {
    color: #1a1a1a;
    margin-bottom: 1rem;
}

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

.feature-list {
    list-style: none;
}

.feature-list li {
    padding: 0.5rem 0;
    color: #666;
    position: relative;
    padding-left: 1.5rem;
}

.feature-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #0055FF;
    font-weight: 600;
}

/* How It Works Section */
.how-it-works {
    padding: 6rem 0;
    background: linear-gradient(135deg, #f8faff 0%, #ffffff 100%);
}

.steps-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
    margin-top: 3rem;
}

.step {
    text-align: center;
    position: relative;
}

.step-number {
    width: 80px;
    height: 80px;
    background: #0055FF;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: 700;
    margin: 0 auto 2rem;
    box-shadow: 0 8px 30px rgba(0, 85, 255, 0.3);
}

.step-content h3 {
    color: #1a1a1a;
    margin-bottom: 1rem;
}

.step-content p {
    color: #666;
    font-size: 1.1rem;
}

/* Pricing Section */
.pricing {
    padding: 6rem 0;
    background: white;
}

.pricing-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    max-width: 800px;
    margin: 0 auto;
}

.pricing-card {
    background: white;
    border: 2px solid rgba(0, 85, 255, 0.1);
    border-radius: 20px;
    padding: 2.5rem;
    text-align: center;
    position: relative;
    transition: all 0.3s ease;
}

.pricing-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0, 85, 255, 0.15);
}

.pricing-card.featured {
    border-color: #0055FF;
    transform: scale(1.05);
    box-shadow: 0 12px 40px rgba(0, 85, 255, 0.2);
}

.popular-badge {
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    background: #0055FF;
    color: white;
    padding: 0.5rem 1.5rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
}

.pricing-header h3 {
    color: #1a1a1a;
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.price {
    margin-bottom: 2rem;
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 0.25rem;
}

.currency {
    font-size: 1.5rem;
    color: #0055FF;
    font-weight: 600;
}

.amount {
    font-size: 3rem;
    font-weight: 700;
    color: #0055FF;
}

.period {
    font-size: 1.2rem;
    color: #666;
    font-weight: 500;
}

.pricing-features {
    margin-bottom: 2rem;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.75rem 0;
    text-align: left;
}

.checkmark {
    color: #0055FF;
    font-weight: 600;
    font-size: 1.2rem;
}

.pricing-btn {
    width: 100%;
    padding: 1rem 2rem;
    border-radius: 12px;
    font-weight: 600;
    font-size: 1.1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
}

.pricing-btn.primary {
    background: #0055FF;
    color: white;
    box-shadow: 0 4px 20px rgba(0, 85, 255, 0.3);
}

.pricing-btn.primary:hover {
    background: #0044DD;
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(0, 85, 255, 0.4);
}

.pricing-btn.secondary {
    background: transparent;
    color: #0055FF;
    border: 2px solid #0055FF;
}

.pricing-btn.secondary:hover {
    background: #0055FF;
    color: white;
}

/* FAQ Section */
.faq {
    padding: 6rem 0;
    background: linear-gradient(135deg, #f8faff 0%, #ffffff 100%);
}

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

.faq-item {
    background: white;
    border: 1px solid rgba(0, 85, 255, 0.1);
    border-radius: 12px;
    margin-bottom: 1rem;
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-item:hover {
    box-shadow: 0 4px 20px rgba(0, 85, 255, 0.1);
}

.faq-question {
    padding: 1.5rem 2rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: white;
    transition: background 0.3s ease;
}

.faq-question:hover {
    background: rgba(0, 85, 255, 0.02);
}

.faq-question h3 {
    color: #1a1a1a;
    margin: 0;
    font-size: 1.1rem;
}

.faq-toggle {
    font-size: 1.5rem;
    color: #0055FF;
    font-weight: 300;
    transition: transform 0.3s ease;
}

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

.faq-answer {
    padding: 0 2rem 1.5rem;
    display: none;
    background: rgba(0, 85, 255, 0.02);
}

.faq-item.active .faq-answer {
    display: block;
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.faq-answer p {
    color: #666;
    line-height: 1.6;
    margin: 0;
}

/* Academic Integrity Page Styles */
.page-hero {
    padding: 8rem 0 4rem;
    background: linear-gradient(135deg, #f8faff 0%, #ffffff 100%);
    text-align: center;
}

.page-hero-content h1 {
    color: #1a1a1a;
    margin-bottom: 1rem;
}

.page-hero-subtitle {
    font-size: 1.25rem;
    color: #666;
    max-width: 600px;
    margin: 0 auto;
}

.academic-content {
    padding: 4rem 0;
    background: white;
}

.content-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
    align-items: start;
}

.main-content {
    display: flex;
    flex-direction: column;
    gap: 3rem;
}

.content-section h2 {
    color: #1a1a1a;
    margin-bottom: 1.5rem;
    font-size: 2rem;
}

.content-section p {
    color: #666;
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.benefit-list {
    list-style: none;
    margin-left: 1rem;
}

.benefit-list li {
    padding: 0.5rem 0;
    color: #666;
    position: relative;
    padding-left: 1.5rem;
}

.benefit-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #0055FF;
    font-weight: 600;
}

.guideline-card {
    background: #f8faff;
    border: 1px solid rgba(0, 85, 255, 0.1);
    border-radius: 12px;
    padding: 2rem;
    margin-bottom: 2rem;
}

.guideline-card h3 {
    color: #1a1a1a;
    margin-bottom: 1.5rem;
    font-size: 1.3rem;
}

.guideline-list {
    list-style: none;
}

.guideline-list li {
    padding: 0.75rem 0;
    color: #666;
    position: relative;
    padding-left: 1.5rem;
    line-height: 1.6;
}

.guideline-list li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: #0055FF;
    font-weight: 600;
    font-size: 1.2rem;
}

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

.responsibility-item {
    text-align: center;
    padding: 2rem;
    background: #f8faff;
    border-radius: 12px;
    border: 1px solid rgba(0, 85, 255, 0.1);
}

.responsibility-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    display: block;
}

.responsibility-item h4 {
    color: #1a1a1a;
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.responsibility-item p {
    color: #666;
    font-size: 0.9rem;
    line-height: 1.5;
}

.feature-highlight {
    display: flex;
    align-items: center;
    gap: 2rem;
    padding: 2rem;
    background: #f8faff;
    border-radius: 12px;
    border: 1px solid rgba(0, 85, 255, 0.1);
    margin-bottom: 2rem;
}

.feature-highlight-content h3 {
    color: #1a1a1a;
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.feature-highlight-content p {
    color: #666;
    line-height: 1.6;
    margin: 0;
}

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

.warning-card {
    background: #fff5f5;
    border: 1px solid rgba(239, 68, 68, 0.2);
    border-radius: 12px;
    padding: 2rem;
    margin-top: 1rem;
}

.warning-card h3 {
    color: #dc2626;
    margin-bottom: 1.5rem;
    font-size: 1.3rem;
}

.warning-list {
    list-style: none;
}

.warning-list li {
    padding: 0.75rem 0;
    color: #666;
    position: relative;
    padding-left: 1.5rem;
    line-height: 1.6;
}

.warning-list li::before {
    content: '⚠️';
    position: absolute;
    left: 0;
    font-size: 1rem;
}

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

.tip {
    padding: 1.5rem;
    background: #f8faff;
    border-radius: 12px;
    border: 1px solid rgba(0, 85, 255, 0.1);
}

.tip h4 {
    color: #0055FF;
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.tip p {
    color: #666;
    font-size: 0.9rem;
    line-height: 1.5;
    margin: 0;
}

.reporting-info {
    background: #f0f9ff;
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: 12px;
    padding: 2rem;
    margin-top: 1rem;
}

.reporting-info p {
    margin-bottom: 0.75rem;
    color: #666;
}

.reporting-info a {
    color: #0055FF;
    text-decoration: none;
    font-weight: 500;
}

.reporting-info a:hover {
    text-decoration: underline;
}

.honor-footer {
    text-align: center;
    padding: 2rem;
    background: #f8faff;
    border-radius: 12px;
    border: 1px solid rgba(0, 85, 255, 0.1);
}

.honor-footer p {
    color: #666;
    margin: 0;
    font-size: 1.1rem;
}

.honor-footer a {
    color: #0055FF;
    text-decoration: none;
    font-weight: 500;
}

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

/* Sidebar Styles */
.sidebar {
    position: sticky;
    top: 100px;
}

.sidebar-card {
    background: white;
    border: 1px solid rgba(0, 85, 255, 0.1);
    border-radius: 16px;
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

.sidebar-card h3 {
    color: #1a1a1a;
    margin-bottom: 1.5rem;
    font-size: 1.2rem;
}

.sidebar-card p {
    color: #666;
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
    line-height: 1.5;
}

.quick-ref-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.75rem 0;
    border-bottom: 1px solid rgba(0, 85, 255, 0.1);
}

.quick-ref-item:last-child {
    border-bottom: none;
}

.ref-icon {
    font-size: 1.2rem;
    flex-shrink: 0;
}

.quick-ref-item span:last-child {
    color: #666;
    font-size: 0.9rem;
    line-height: 1.4;
}

.sidebar-btn {
    display: inline-block;
    background: #0055FF;
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    text-align: center;
    width: 100%;
}

.sidebar-btn:hover {
    background: #0044DD;
    transform: translateY(-2px);
}

.sidebar-btn.secondary {
    background: transparent;
    color: #0055FF;
    border: 2px solid #0055FF;
}

.sidebar-btn.secondary:hover {
    background: #0055FF;
    color: white;
}

/* Contact Info Styles */
.contact-info {
    background: #f8faff;
    border: 1px solid rgba(0, 85, 255, 0.1);
    border-radius: 12px;
    padding: 1.5rem;
    margin-top: 1rem;
}

.contact-info p {
    margin-bottom: 0.75rem;
    color: #666;
    line-height: 1.6;
}

.contact-info p:last-child {
    margin-bottom: 0;
}

.contact-info a {
    color: #0055FF;
    text-decoration: none;
    font-weight: 500;
}

.contact-info a:hover {
    text-decoration: underline;
}

/* Footer */
.footer {
    background: #1a1a1a;
    color: white;
    padding: 4rem 0 2rem;
}

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

.footer-section h4 {
    color: white;
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
}

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

.footer-section ul li {
    margin-bottom: 0.75rem;
}

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

.footer-section ul li a:hover {
    color: #0055FF;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.footer-section p {
    color: #ccc;
    line-height: 1.6;
}

.footer-download-btn {
    display: inline-block;
    background: #0055FF;
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    margin-bottom: 1rem;
}

.footer-download-btn:hover {
    background: #0044DD;
    transform: translateY(-2px);
}

.footer-note {
    color: #999;
    font-size: 0.9rem;
}

.footer-bottom {
    border-top: 1px solid #333;
    padding-top: 2rem;
    text-align: center;
}

.footer-bottom p {
    color: #999;
    margin: 0;
}

.company-note {
    margin-top: 0.5rem !important;
    font-size: 0.9rem;
    color: #777 !important;
    font-style: italic;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 1rem;
    }
    
    .nav-container {
        padding: 0 1rem;
    }
    
    .nav-menu {
        display: none;
    }
    
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: center;
    }
    
    .browser-content {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .steps-container {
        grid-template-columns: 1fr;
    }
    
    .pricing-cards {
        grid-template-columns: 1fr;
    }
    
    .pricing-card.featured {
        transform: none;
    }

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

    .sidebar {
        position: static;
        order: -1;
    }

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

    .feature-highlight {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }

    .study-tips {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 2rem;
    }
    
    .feature-card,
    .pricing-card {
        padding: 1.5rem;
    }

    .page-hero-content h1 {
        font-size: 2.5rem;
    }

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

    .guideline-card,
    .warning-card,
    .reporting-info {
        padding: 1.5rem;
    }

    .sidebar-card {
        padding: 1.5rem;
    }
}

/* Featured Video Section */
.featured-video {
    margin: 3rem 0;
    text-align: center;
}

.video-wrapper {
    position: relative;
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 8px 32px rgba(0, 85, 255, 0.1);
    background: #000;
}

.video-wrapper iframe {
    width: 100%;
    height: 450px;
    border: none;
    border-radius: 12px;
}

/* Responsive video styles */
@media (max-width: 768px) {
    .featured-video {
        margin: 2rem 0;
    }

    .video-wrapper {
        max-width: 100%;
        border-radius: 8px;
    }

    .video-wrapper iframe {
        height: 250px;
        border-radius: 8px;
    }
}

@media (max-width: 480px) {
    .video-wrapper iframe {
        height: 200px;
    }
}

/* Video Showcase Section */
.video-showcase {
    padding: 6rem 0;
    background: linear-gradient(135deg, #f8faff 0%, #ffffff 100%);
}

.video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.video-card {
    background: white;
    border: 1px solid rgba(0, 85, 255, 0.1);
    border-radius: 16px;
    overflow: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

.video-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0, 85, 255, 0.15);
}

/* Mobile touch styles for video cards */
@media (hover: none) and (pointer: coarse) {
    .video-card {
        cursor: pointer;
    }

    .video-card:active {
        transform: translateY(-2px);
        box-shadow: 0 8px 30px rgba(0, 85, 255, 0.2);
        transition: all 0.1s ease;
    }
}

 /* Active video indicator */
.video-card.playing {
    border-color: #0055FF;
    box-shadow: 0 0 0 2px rgba(0, 85, 255, 0.3), 0 8px 30px rgba(0, 85, 255, 0.15);
}

.video-card.playing .video-container::after {
    content: '';
    position: absolute;
    top: 10px;
    right: 10px;
    width: 0;
    height: 0;
    border-left: 8px solid #0055FF;
    border-top: 5px solid transparent;
    border-bottom: 5px solid transparent;
    z-index: 2;
}

.video-container {
    position: relative;
    width: 100%;
    height: 200px;
    overflow: hidden;
    background: #000;
}

.video-container video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}





.video-info {
    padding: 1.5rem;
}

.video-info h3 {
    color: #1a1a1a;
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.video-info p {
    color: #666;
    line-height: 1.6;
    margin: 0;
    font-size: 0.95rem;
}

/* Responsive adjustments for video section */
@media (max-width: 768px) {
    .video-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .video-container {
        height: 180px;
    }
    
    .video-info {
        padding: 1.25rem;
    }
}