/* CSS Reset */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* CSS Variables - Purple Brand Colors */
:root {
    --primary-purple: #7C3AED;
    --primary-purple-dark: #6D28D9;
    --primary-purple-light: #A78BFA;
    --secondary-purple: #DDD6FE;
    --background: #FFFFFF;
    --surface: #F9FAFB;
    --text-primary: #1F2937;
    --text-secondary: #6B7280;
    --border: #E5E7EB;
    --shadow: rgba(124, 58, 237, 0.1);
}

/* Base Styles */
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
    color: var(--text-primary);
    line-height: 1.6;
    background-color: var(--background);
}

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

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    z-index: 100;
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-purple) 0%, var(--primary-purple-dark) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: var(--primary-purple);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-purple) 0%, var(--primary-purple-dark) 100%);
    color: white;
    box-shadow: 0 4px 12px var(--shadow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px var(--shadow);
}

.btn-secondary {
    background: transparent;
    color: var(--primary-purple);
    border: 2px solid var(--primary-purple);
}

.btn-secondary:hover {
    background: var(--secondary-purple);
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

/* Hero Section */
.hero {
    padding: 8rem 0 6rem;
    margin-top: 60px;
    background: linear-gradient(135deg, #FAFAFA 0%, var(--secondary-purple) 100%);
}

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

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    line-height: 1.2;
    background: linear-gradient(135deg, var(--primary-purple-dark) 0%, var(--primary-purple) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    line-height: 1.8;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Section Styles */
.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    text-align: center;
    margin-bottom: 4rem;
}

/* Features Section */
.features {
    padding: 6rem 0;
    background-color: var(--background);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card {
    padding: 2rem;
    background: var(--surface);
    border-radius: 1rem;
    border: 1px solid var(--border);
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 24px var(--shadow);
    border-color: var(--primary-purple-light);
}

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

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.feature-card p {
    color: var(--text-secondary);
    line-height: 1.7;
}

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

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

.step {
    display: flex;
    gap: 2rem;
    margin-bottom: 3rem;
    align-items: flex-start;
}

.step-number {
    flex-shrink: 0;
    width: 3rem;
    height: 3rem;
    background: linear-gradient(135deg, var(--primary-purple) 0%, var(--primary-purple-dark) 100%);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
}

.step-content h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.step-content p {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* Use Cases Section */
.use-cases {
    padding: 6rem 0;
    background-color: var(--background);
}

.use-cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.use-case {
    padding: 2rem;
    background: var(--surface);
    border-radius: 1rem;
    border-left: 4px solid var(--primary-purple);
}

.use-case h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.use-case p {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* CTA Section */
.cta {
    padding: 6rem 0;
    background: linear-gradient(135deg, var(--primary-purple) 0%, var(--primary-purple-dark) 100%);
    color: white;
}

.cta-content {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.cta-content h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.cta-content p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

/* Footer */
.footer {
    background-color: var(--text-primary);
    color: white;
    padding: 3rem 0 1rem;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    gap: 3rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.footer-brand p {
    margin-top: 0.5rem;
    opacity: 0.8;
}

.footer-links {
    display: flex;
    gap: 3rem;
}

.footer-section h4 {
    margin-bottom: 1rem;
    color: var(--primary-purple-light);
}

.footer-section a {
    display: block;
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    margin-bottom: 0.5rem;
    transition: color 0.3s ease;
}

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

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    opacity: 0.6;
}

/* Privacy Policy Styles */
.privacy-page {
    padding: 6rem 0 3rem;
    margin-top: 60px;
}

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

.privacy-content h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.privacy-content .last-updated {
    color: var(--text-secondary);
    margin-bottom: 3rem;
    font-style: italic;
}

.privacy-content h2 {
    font-size: 1.75rem;
    margin-top: 3rem;
    margin-bottom: 1rem;
    color: var(--primary-purple-dark);
}

.privacy-content h3 {
    font-size: 1.25rem;
    margin-top: 2rem;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.privacy-content p {
    margin-bottom: 1rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

.privacy-content ul {
    margin-left: 2rem;
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

.privacy-content li {
    margin-bottom: 0.5rem;
}

.privacy-content a {
    color: var(--primary-purple);
    text-decoration: none;
}

.privacy-content a:hover {
    text-decoration: underline;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-links {
        gap: 1rem;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.1rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .features-grid,
    .use-cases-grid {
        grid-template-columns: 1fr;
    }

    .footer-content {
        flex-direction: column;
    }

    .footer-links {
        flex-direction: column;
        gap: 2rem;
    }

    .step {
        flex-direction: column;
        gap: 1rem;
    }
}