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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
}

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

/* Header */
header {
    background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
    color: white;
    padding: 60px 0 40px 0;
    text-align: center;
}

.logo-section {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    margin-bottom: 20px;
}

.logo {
    width: 120px;
    height: 90px;
    object-fit: cover;
    border: 3px solid white;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

header h1 {
    font-size: 3.5rem;
    font-weight: 700;
    letter-spacing: 3px;
    margin: 0;
}

.tagline {
    font-size: 1.3rem;
    font-weight: 300;
    opacity: 0.95;
    font-style: italic;
    margin-top: 10px;
}

/* Navigation */
nav {
    background-color: #1a2f54;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

nav ul {
    list-style: none;
    display: flex;
    justify-content: center;
    gap: 40px;
    padding: 15px 0;
}

nav a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
    text-transform: uppercase;
    font-size: 0.9rem;
    letter-spacing: 1px;
}

nav a:hover {
    color: #64b5f6;
}

/* Hero Section */
.hero {
    background: linear-gradient(to bottom, #f8f9fa, #e9ecef);
    padding: 80px 0;
    text-align: center;
    border-bottom: 1px solid #dee2e6;
}

.hero h2 {
    font-size: 2.5rem;
    color: #1e3c72;
    margin-bottom: 20px;
    font-weight: 600;
}

.hero p {
    font-size: 1.2rem;
    color: #495057;
    max-width: 800px;
    margin: 0 auto 30px auto;
    line-height: 1.8;
}

.cta-button {
    background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
    color: white;
    border: none;
    padding: 15px 40px;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 5px;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(30, 60, 114, 0.3);
}

/* Features Section */
.features {
    padding: 80px 0;
    background-color: white;
}

.features h2 {
    text-align: center;
    font-size: 2.5rem;
    color: #1e3c72;
    margin-bottom: 60px;
    font-weight: 600;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.feature-card {
    background: #f8f9fa;
    padding: 30px;
    border-radius: 8px;
    border-left: 4px solid #2a5298;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
}

.feature-card h3 {
    color: #1e3c72;
    font-size: 1.5rem;
    margin-bottom: 15px;
    font-weight: 600;
}

.feature-card p {
    color: #495057;
    margin-bottom: 15px;
    line-height: 1.7;
}

.feature-card ul {
    list-style: none;
    padding-left: 0;
}

.feature-card ul li {
    padding: 8px 0;
    color: #6c757d;
    position: relative;
    padding-left: 25px;
}

.feature-card ul li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #28a745;
    font-weight: bold;
}

/* Architecture Section */
.architecture {
    padding: 80px 0;
    background: linear-gradient(to bottom, #e9ecef, #f8f9fa);
}

.architecture h2 {
    text-align: center;
    font-size: 2.5rem;
    color: #1e3c72;
    margin-bottom: 60px;
    font-weight: 600;
}

.architecture-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.architecture-item {
    background: white;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.architecture-item h3 {
    color: #1e3c72;
    font-size: 1.4rem;
    margin-bottom: 15px;
    font-weight: 600;
    border-bottom: 2px solid #2a5298;
    padding-bottom: 10px;
}

.architecture-item p {
    color: #495057;
    line-height: 1.8;
}

/* Pricing Section */
.pricing {
    padding: 80px 0;
    background-color: white;
}

.pricing h2 {
    text-align: center;
    font-size: 2.5rem;
    color: #1e3c72;
    margin-bottom: 60px;
    font-weight: 600;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    max-width: 1000px;
    margin: 0 auto;
}

.pricing-card {
    background: #f8f9fa;
    padding: 40px 30px;
    border-radius: 8px;
    text-align: center;
    border: 2px solid #dee2e6;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.pricing-card.featured {
    background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
    color: white;
    border: none;
    transform: scale(1.05);
}

.pricing-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.15);
}

.pricing-card.featured:hover {
    transform: scale(1.05) translateY(-10px);
}

.pricing-card h3 {
    font-size: 1.8rem;
    margin-bottom: 20px;
    font-weight: 600;
    color: #1e3c72;
}

.pricing-card.featured h3 {
    color: white;
}

.price {
    font-size: 2.5rem;
    font-weight: 700;
    margin: 20px 0 5px 0;
    color: #2a5298;
}

.pricing-card.featured .price {
    color: white;
}

.price-period {
    color: #6c757d;
    font-size: 0.9rem;
    margin-bottom: 25px;
}

.pricing-card.featured .price-period {
    color: rgba(255, 255, 255, 0.8);
}

.pricing-card ul {
    list-style: none;
    padding: 0;
    margin-top: 25px;
}

.pricing-card ul li {
    padding: 12px 0;
    color: #495057;
    border-bottom: 1px solid #e9ecef;
}

.pricing-card ul li:last-child {
    border-bottom: none;
}

.pricing-card.featured ul li {
    color: white;
    border-bottom-color: rgba(255, 255, 255, 0.2);
}

/* Security Section */
.security {
    padding: 80px 0;
    background: linear-gradient(to bottom, #e9ecef, #f8f9fa);
}

.security h2 {
    text-align: center;
    font-size: 2.5rem;
    color: #1e3c72;
    margin-bottom: 60px;
    font-weight: 600;
}

.security-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.security-item {
    background: white;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.security-item h3 {
    color: #1e3c72;
    font-size: 1.5rem;
    margin-bottom: 15px;
    font-weight: 600;
}

.security-item p {
    color: #495057;
    line-height: 1.8;
}

/* Technical Specs Section */
.technical-specs {
    padding: 80px 0;
    background-color: white;
}

.technical-specs h2 {
    text-align: center;
    font-size: 2.5rem;
    color: #1e3c72;
    margin-bottom: 60px;
    font-weight: 600;
}

.specs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    max-width: 900px;
    margin: 0 auto;
}

.spec-item {
    text-align: center;
    padding: 25px;
    background: #f8f9fa;
    border-radius: 8px;
    border: 2px solid #dee2e6;
}

.spec-label {
    font-size: 0.9rem;
    color: #6c757d;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 10px;
}

.spec-value {
    font-size: 2rem;
    font-weight: 700;
    color: #2a5298;
}

/* Footer */
footer {
    background-color: #1a2f54;
    color: white;
    padding: 60px 0 20px 0;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h4 {
    font-size: 1.2rem;
    margin-bottom: 20px;
    font-weight: 600;
    color: #64b5f6;
}

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

.footer-section ul li {
    margin-bottom: 10px;
}

.footer-section a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 30px;
    text-align: center;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    header h1 {
        font-size: 2.5rem;
    }

    .logo-section {
        flex-direction: column;
    }

    .tagline {
        font-size: 1.1rem;
    }

    .hero h2 {
        font-size: 2rem;
    }

    nav ul {
        flex-wrap: wrap;
        gap: 20px;
    }

    .features h2,
    .architecture h2,
    .pricing h2,
    .security h2,
    .technical-specs h2 {
        font-size: 2rem;
    }

    .pricing-card.featured {
        transform: scale(1);
    }
}