/* 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: #f5f5f5;
}

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

/* Header */
header {
    background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
    color: white;
    padding: 3rem 0;
    text-align: center;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

header h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    font-weight: 700;
}

.tagline {
    font-size: 1.2rem;
    opacity: 0.9;
}

/* Main content */
main {
    padding: 2rem 0;
}

section {
    background: white;
    margin: 2rem 0;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

section h2 {
    color: #1e3c72;
    margin-bottom: 1.5rem;
    font-size: 1.8rem;
    border-bottom: 3px solid #2a5298;
    padding-bottom: 0.5rem;
}

section h3 {
    color: #2a5298;
    margin-bottom: 0.75rem;
    font-size: 1.3rem;
}

section p {
    margin-bottom: 1rem;
    font-size: 1.05rem;
}

/* Hero section */
.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.hero h2 {
    color: white;
    border-bottom-color: rgba(255,255,255,0.3);
}

/* Features grid */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.feature {
    padding: 1.5rem;
    background: #f8f9fa;
    border-radius: 6px;
    border-left: 4px solid #2a5298;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.feature:hover {
    transform: translateY(-4px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.feature h3 {
    margin-bottom: 0.5rem;
}

.feature p {
    font-size: 0.95rem;
    color: #555;
    margin-bottom: 0;
}

/* Disclaimer section */
.disclaimer {
    background: #fff3cd;
    border-left: 4px solid #ffc107;
}

.disclaimer p {
    color: #856404;
}

.disclaimer a {
    color: #856404;
    font-weight: 600;
}

.disclaimer a:hover {
    text-decoration: underline;
}

/* Technology section */
.technology ul {
    list-style: none;
    padding-left: 0;
}

.technology li {
    padding: 0.5rem 0 0.5rem 1.5rem;
    position: relative;
}

.technology li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #2a5298;
    font-weight: bold;
}

/* Contact section */
.contact a {
    color: #2a5298;
    text-decoration: none;
    font-weight: 500;
}

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

/* Footer */
footer {
    background: #1e3c72;
    color: white;
    padding: 2rem 0;
    text-align: center;
    margin-top: 3rem;
}

footer p {
    margin: 0.5rem 0;
}

.footer-tech {
    opacity: 0.8;
    font-size: 0.9rem;
}

/* Responsive design */
@media (max-width: 768px) {
    header h1 {
        font-size: 2rem;
    }

    .tagline {
        font-size: 1rem;
    }

    section {
        padding: 1.5rem;
    }

    section h2 {
        font-size: 1.5rem;
    }

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

@media (max-width: 480px) {
    header {
        padding: 2rem 0;
    }

    header h1 {
        font-size: 1.75rem;
    }

    section {
        padding: 1rem;
        margin: 1rem 0;
    }

    section h2 {
        font-size: 1.3rem;
    }
}