/* Define CSS variables for light/dark mode support */
:root {
    --intelligence-bg: #f9f9f9;
    --intelligence-border: #dcdcdc;
    --intelligence-text: #111111;
    --text-primary: #333;
    --text-secondary: #4b5563;
    --text-tertiary: #6b7280;
    --bg-primary: #f9fafb;
    --bg-footer: #1f2937;
    --link-color: #93c5fd;
}

/* Smooth scrolling for AOS animations */
html {
    scroll-behavior: smooth;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
}

/* Container */
.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #1e3a8a, #3b82f6);
    color: white;
    text-align: center;
    padding: 60px 20px;
}

.hero h1 {
    font-size: 2.5em;
    margin-bottom: 10px;
}

.subtitle {
    font-size: 1.2em;
    margin-bottom: 20px;
    opacity: 0.9;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 24px;
    text-decoration: none;
    border-radius: 5px;
    font-weight: 600;
    transition: background 0.3s;
}

.btn.primary {
    background: #10b981;
    color: white;
}

.btn.primary:hover {
    background: #059669;
}

.btn.secondary {
    background-color: #003366;
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 6px;
    font-size: 1rem;
    text-decoration: none;
    display: inline-block;
    transition: background-color 0.3s ease;
}

.btn.secondary:hover {
    background-color: #005099;
}

/* About Section */
.about {
    padding: 40px 20px;
    background: var(--bg-primary);
    text-align: center;
}

.about h2 {
    font-size: 1.8em;
    margin-bottom: 15px;
}

.about p {
    max-width: 600px;
    margin: 0 auto;
}

/* Benefits Section */
.benefits {
    padding: 40px 20px;
    text-align: center;
}

.benefits h2 {
    font-size: 1.8em;
    margin-bottom: 20px;
}

.benefits ul {
    list-style: none;
    max-width: 600px;
    margin: 0 auto;
    text-align: left;
}

.benefits li {
    margin: 10px 0;
    padding-left: 20px;
    position: relative;
}

.benefits li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #10b981;
}

/* Use Case Section */
.use-case-section {
    background-color: #f9f9f9;
    padding: 60px 20px;
    border-top: 1px solid #eaeaea;
    border-bottom: 1px solid #eaeaea;
}

.use-case-section h2 {
    font-size: 2rem;
    text-align: center;
    margin-bottom: 20px;
}

.use-case-lead {
    font-weight: 500;
    font-size: 1.1rem;
    margin-bottom: 15px;
    text-align: center;
    color: #333;
}

.use-case-section p {
    font-size: 1rem;
    line-height: 1.6;
    max-width: 800px;
    margin: 0 auto 10px;
    text-align: center;
}

.use-case-section strong {
    font-weight: 600;
    color: #222;
}

.icon {
    font-size: 1.5rem;
    margin-right: 8px;
    vertical-align: middle;
}

/* Visuals Section */
.visuals {
    padding: 40px 20px;
    background: var(--bg-primary);
    text-align: center;
}

.visuals h2 {
    font-size: 1.8em;
    margin-bottom: 20px;
}

.visuals h3 {
    font-size: 1.4em;
    margin-top: 30px;
    margin-bottom: 10px;
    color: #1f2937;
}

.trust-pipeline-heading {
    font-size: 1.2em;
}

.executive-summary-heading {
    font-size: 1.2em;
}

.diagram {
    max-width: 100%;
    height: auto;
    margin: 10px 0;
    border: 1px solid #e5e7eb;
    border-radius: 5px;
}

.trust-pipeline-img {
    max-width: 80%;
}

.visual-summary-img {
    max-width: 80%;
}

/* Strategic Fit Section */
.strategic-fit {
    padding: 40px 20px;
    text-align: center;
}

.strategic-fit h2 {
    font-size: 1.8em;
    margin-bottom: 20px;
}

.strategic-fit ul {
    list-style: none;
    max-width: 600px;
    margin: 0 auto;
    text-align: left;
}

.strategic-fit li {
    margin: 10px 0;
    padding-left: 20px;
    position: relative;
}

.strategic-fit li:before {
    content: "•";
    position: absolute;
    left: 0;
    color: #3b82f6;
}

.strategic-fit strong {
    color: #1f2937;
    font-weight: 600;
}

/* Call to Action Section */
.cta {
    padding: 40px 20px;
    text-align: center;
}

.cta h2 {
    font-size: 1.8em;
    margin-bottom: 15px;
}

.cta p {
    max-width: 600px;
    margin: 0 auto 20px;
    color: var(--text-secondary);
}

.cta small {
    display: block;
    margin-top: 15px;
    color: var(--text-tertiary);
    font-size: 0.9em;
}

.cta-buttons {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 15px;
}

/* Footer */
.footer {
    background: var(--bg-footer);
    color: white;
    padding: 20px;
    text-align: center;
}

.footer a {
    color: var(--link-color);
    text-decoration: none;
}

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

/* Intelligence Section */
.intelligence-section {
    padding: 3rem 1rem;
    display: flex;
    justify-content: center;
    background-color: var(--intelligence-bg);
}

.intelligence-box {
    border: 2px solid var(--intelligence-border);
    border-radius: 12px;
    padding: 2rem;
    max-width: 900px;
    background-color: white;
    box-shadow: 0 4px 12px rgba(0,0,0,0.04);
    text-align: center;
}

.intelligence-box h2 {
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
}

.intelligence-box .highlight {
    color: #003366;
}

.intelligence-list {
    list-style: none;
    padding: 0;
    text-align: left;
    margin-bottom: 1.5rem;
    font-size: 1rem;
}

.intelligence-list li {
    margin-bottom: 0.8rem;
    line-height: 1.6;
}

.intelligence-summary,
.nda-note {
    font-size: 1rem;
    color: #444;
    margin-top: 0.5rem;
}

.intelligence-cta {
    margin-top: 1.5rem;
    text-align: center;
}

/* Use Case Box */
.use-case-box {
    border: 1px solid var(--intelligence-border);
    border-radius: 8px;
    padding: 1.5rem;
    max-width: 600px;
    margin: 20px auto;
    background-color: white;
    box-shadow: 0 2px 8px rgba(0,0,0,0.03);
    text-align: left;
}

.use-case-box h3 {
    font-size: 1.3em;
    margin-bottom: 10px;
    color: #1f2937;
}

.use-case-box p {
    font-size: 1rem;
    color: #444;
}

/* Responsive Design */
@media (max-width: 600px) {
    .hero h1 {
        font-size: 2em;
    }

    .subtitle {
        font-size: 1em;
    }

    .btn {
        padding: 10px 20px;
        font-size: 0.9em;
    }

    .about h2, .benefits h2, .visuals h2, .strategic-fit h2, .cta h2 {
        font-size: 1.5em;
    }

    .visuals h3 {
        font-size: 1.2em;
    }

    .trust-pipeline-heading {
        font-size: 1.0em;
    }

    .executive-summary-heading {
        font-size: 1.0em;
    }

    .intelligence-section {
        padding: 1.5rem 0.5rem;
    }

    .intelligence-box {
        padding: 1rem;
    }

    .intelligence-box h2 {
        font-size: 1.5rem;
    }

    .intelligence-list {
        font-size: 0.9rem;
    }

    .intelligence-summary,
    .nda-note {
        font-size: 0.9rem;
    }

    .use-case-box {
        padding: 1rem;
        margin: 15px auto;
    }

    .use-case-box h3 {
        font-size: 1.2em;
    }

    .use-case-box p {
        font-size: 0.9rem;
    }

    .use-case-section {
        padding: 40px 15px;
    }

    .use-case-section h2 {
        font-size: 1.6rem;
    }

    .use-case-lead {
        font-size: 1rem;
    }

    .use-case-section p {
        font-size: 0.9rem;
    }

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