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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #ffffff;
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 {
    font-size: 3rem;
}

h2 {
    font-size: 2.5rem;
}

h3 {
    font-size: 1.5rem;
}

p {
    margin-bottom: 1rem;
    line-height: 1.6;
}

/* Buttons */
.btn-primary {
    background: #1D4ED8;
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
}

.btn-primary:hover {
    background: #1E40AF;
    transform: translateY(-2px);
}

.btn-secondary {
    background: transparent;
    color: #374151;
    border: none;
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-secondary:hover {
    color: #1D4ED8;
}

.btn-outline {
    background: transparent;
    color: #93C5FD;
    border: 2px solid #93C5FD;
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-outline:hover {
    background: #1E40AF;
    border-color: #1E40AF;
    color: white;
}

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

.mobile-btn {
    width: 100%;
    margin: 8px 0;
}

/* Header */
.header {
    background: white;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    border-bottom: 1px solid #E5E7EB;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 0;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
}

.logo-icon {
    width: 32px;
    height: 32px;
    background: #1D4ED8;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: bold;
    font-size: 14px;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: #111827;
}

.logo-badge {
    background: #F3F4F6;
    color: #6B7280;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 500;
}

.nav-desktop {
    display: flex;
    gap: 32px;
}

.nav-desktop a {
    color: #374151;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-desktop a:hover {
    color: #1D4ED8;
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.hamburger {
    display: block;
    width: 24px;
    height: 2px;
    background: #374151;
    position: relative;
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    width: 24px;
    height: 2px;
    background: #374151;
    transition: all 0.3s ease;
}

.hamburger::before {
    top: -8px;
}

.hamburger::after {
    top: 8px;
}

.mobile-menu {
    display: none;
    background: white;
    border-top: 1px solid #E5E7EB;
}

.mobile-menu-content {
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.mobile-menu a {
    color: #374151;
    text-decoration: none;
    font-weight: 500;
    padding: 8px 0;
}

.mobile-menu hr {
    border: none;
    border-top: 1px solid #E5E7EB;
    margin: 8px 0;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #1E3A8A 0%, #1E40AF 50%, #3730A3 100%);
    color: white;
    padding: 80px 0 120px;
    text-align: center;
}

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

.hero-title {
    font-size: 3.5rem;
    margin-bottom: 24px;
    line-height: 1.1;
}

.text-accent {
    color: #93C5FD;
}

.hero-description {
    font-size: 1.25rem;
    color: #DBEAFE;
    margin-bottom: 32px;
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

/* About Section */
.about {
    padding: 80px 0;
    background: #F9FAFB;
}

.section-header {
    text-align: center;
    margin-bottom: 64px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.section-header h2 {
    color: #111827;
    margin-bottom: 24px;
}

.section-header p {
    font-size: 1.25rem;
    color: #6B7280;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.about-content h3 {
    color: #111827;
    margin-bottom: 32px;
}

.feature-list {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.feature-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.feature-icon {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    flex-shrink: 0;
}

.feature-icon.shield {
    background: #DBEAFE;
}

.feature-icon.globe {
    background: #D1FAE5;
}

.feature-icon.users {
    background: #E9D5FF;
}

.feature-text h4 {
    color: #111827;
    margin-bottom: 8px;
    font-size: 1.1rem;
}

.feature-text p {
    color: #6B7280;
    margin: 0;
}

.stats-card {
    background: white;
    padding: 32px;
    border-radius: 16px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    text-align: center;
}

.stats-icon {
    font-size: 48px;
    margin-bottom: 16px;
}

.stats-card h4 {
    color: #111827;
    margin-bottom: 24px;
}

.stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.stat-number.blue {
    color: #1D4ED8;
}

.stat-number.green {
    color: #059669;
}

.stat-number.purple {
    color: #7C3AED;
}

.stat-number.red {
    color: #DC2626;
}

.stat-label {
    color: #6B7280;
    font-size: 0.875rem;
}

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

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

.feature-card {
    background: white;
    padding: 32px;
    border-radius: 16px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    text-align: center;
}

.feature-card:hover {
    box-shadow: 0 20px 25px rgba(0, 0, 0, 0.1);
    transform: translateY(-4px);
}

.card-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    margin: 0 auto 24px;
}

.card-icon.blue {
    background: #DBEAFE;
}

.card-icon.green {
    background: #D1FAE5;
}

.card-icon.purple {
    background: #E9D5FF;
}

.feature-card h3 {
    color: #111827;
    margin-bottom: 16px;
}

.feature-card p {
    color: #6B7280;
    line-height: 1.6;
    margin: 0;
}

/* Learn Section */
.learn {
    padding: 80px 0;
    background: linear-gradient(135deg, #F0F9FF 0%, #E0F2FE 100%);
}

.learn-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 24px;
    margin-bottom: 48px;
}

.learn-card {
    background: white;
    padding: 24px;
    border-radius: 12px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    cursor: pointer;
}

.learn-card:hover {
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    transform: translateY(-2px);
}

.learn-icon {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    margin-bottom: 16px;
}

.learn-icon.blue {
    background: #DBEAFE;
}

.learn-icon.green {
    background: #D1FAE5;
}

.learn-icon.purple {
    background: #E9D5FF;
}

.learn-icon.red {
    background: #FEE2E2;
}

.learn-card h3 {
    color: #111827;
    margin-bottom: 12px;
    font-size: 1.1rem;
}

.learn-card p {
    color: #6B7280;
    font-size: 0.875rem;
    margin-bottom: 16px;
}

.learn-link {
    color: #1D4ED8;
    font-size: 0.875rem;
    font-weight: 500;
    transition: color 0.3s ease;
}

.learn-card:hover .learn-link {
    color: #1E40AF;
}

.learn-cta {
    text-align: center;
}

/* FAQ Section */
.faq {
    padding: 80px 0;
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.faq-item {
    background: white;
    border: 1px solid #E5E7EB;
    border-radius: 8px;
    overflow: hidden;
}

.faq-question {
    width: 100%;
    padding: 24px;
    background: none;
    border: none;
    text-align: left;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 600;
    color: #111827;
    transition: background-color 0.3s ease;
}

.faq-question:hover {
    background: #F9FAFB;
}

.faq-arrow {
    transition: transform 0.3s ease;
    color: #6B7280;
}

.faq-item.active .faq-arrow {
    transform: rotate(180deg);
}

.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 24px 24px;
    color: #6B7280;
    margin: 0;
}

/* CTA Section */
.cta {
    padding: 80px 0;
    background: linear-gradient(135deg, #1E3A8A 0%, #1E40AF 50%, #3730A3 100%);
    color: white;
    text-align: center;
}

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

.cta h2 {
    margin-bottom: 16px;
}

.cta p {
    font-size: 1.25rem;
    color: #DBEAFE;
    margin-bottom: 32px;
}

.cta-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

/* Footer */
.footer {
    background: #111827;
    color: #D1D5DB;
    padding: 48px 0 24px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 32px;
    margin-bottom: 32px;
}

.footer-brand .logo-text {
    color: white;
}

.footer-brand p {
    color: #9CA3AF;
    margin-top: 16px;
}

.footer-column h4 {
    color: white;
    margin-bottom: 16px;
    font-size: 1rem;
}

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

.footer-column li {
    margin-bottom: 8px;
}

.footer-column a {
    color: #D1D5DB;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-column a:hover {
    color: white;
}

.footer-bottom {
    border-top: 1px solid #374151;
    padding-top: 24px;
    text-align: center;
}

.footer-bottom p {
    color: #9CA3AF;
    margin: 0;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .about-grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 24px;
    }
}

@media (max-width: 768px) {
    .nav-desktop,
    .nav-right {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-buttons .btn-large {
        width: 100%;
        max-width: 300px;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .learn-grid {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .cta-buttons .btn-large {
        width: 100%;
        max-width: 300px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }
    
    .hero {
        padding: 60px 0 80px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
    
    .about,
    .features,
    .learn,
    .faq,
    .cta {
        padding: 60px 0;
    }
    
    .feature-card,
    .stats-card {
        padding: 24px;
    }
}