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

:root {
    --primary-blue: #1e3a8a;
    --secondary-blue: #3b82f6;
    --accent-green: #10b981;
    --navy: #0f172a;
    --seafoam: #a7f3d0;
    --text-light: #f8fafc;
    --text-dark: #1e293b;
    --bg-light: #ffffff;
    --bg-dark: #0f172a;
    --card-bg: #1e293b;
    --border-color: rgba(167, 243, 208, 0.2);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-light);
    background: linear-gradient(135deg, #0f172a 0%, #1e3a8a 100%);
    min-height: 100vh;
}

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

/* Navigation */
.navbar {
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(10px);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--border-color);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand h1 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--seafoam);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

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

.nav-menu a:hover {
    color: var(--seafoam);
}

/* Hero Section */
.hero {
    padding: 4rem 0;
    text-align: center;
    background: linear-gradient(135deg, rgba(30, 58, 138, 0.3) 0%, rgba(15, 23, 42, 0.5) 100%);
}

.hero-title {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #a7f3d0 0%, #3b82f6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-light);
    margin-bottom: 2rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    opacity: 0.9;
}

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

.badge {
    background: rgba(167, 243, 208, 0.2);
    border: 1px solid var(--border-color);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    color: var(--seafoam);
}

/* Features Section */
.features {
    padding: 4rem 0;
    background: rgba(15, 23, 42, 0.5);
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 3rem;
    color: var(--text-light);
}

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

.feature-card {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    transition: transform 0.3s, box-shadow 0.3s;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(167, 243, 208, 0.2);
}

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

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

.feature-card p {
    color: var(--text-light);
    opacity: 0.9;
    line-height: 1.8;
}

/* About Section */
.about {
    padding: 4rem 0;
    background: rgba(30, 58, 138, 0.2);
}

.about-content {
    max-width: 900px;
    margin: 0 auto;
}

.lead {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    color: var(--text-light);
    opacity: 0.95;
}

.about-content h3 {
    font-size: 1.75rem;
    margin-top: 2rem;
    margin-bottom: 1rem;
    color: var(--seafoam);
}

.about-content ul {
    margin-left: 2rem;
    margin-bottom: 2rem;
    color: var(--text-light);
    opacity: 0.9;
}

.about-content li {
    margin-bottom: 0.5rem;
    line-height: 1.8;
}

.use-cases {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
    margin-top: 1.5rem;
}

.use-case {
    background: var(--card-bg);
    padding: 1.5rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    color: var(--text-light);
}

.use-case strong {
    color: var(--seafoam);
    display: block;
    margin-bottom: 0.5rem;
}

/* Contact Section */
.contact {
    padding: 4rem 0;
    text-align: center;
    background: rgba(15, 23, 42, 0.5);
}

.contact-info {
    margin-top: 2rem;
}

.contact-button {
    display: inline-block;
    background: var(--secondary-blue);
    color: white;
    padding: 1rem 2rem;
    border-radius: 8px;
    text-decoration: none;
    font-size: 1.1rem;
    font-weight: 600;
    transition: background 0.3s, transform 0.3s;
}

.contact-button:hover {
    background: var(--primary-blue);
    transform: translateY(-2px);
}

/* Privacy Policy */
.privacy-policy {
    padding: 4rem 0;
    max-width: 900px;
    margin: 0 auto;
}

.privacy-policy h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: var(--seafoam);
}

.last-updated {
    color: var(--text-light);
    opacity: 0.7;
    margin-bottom: 3rem;
    font-style: italic;
}

.policy-content {
    background: var(--card-bg);
    padding: 3rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.policy-content h2 {
    font-size: 2rem;
    margin-top: 2rem;
    margin-bottom: 1rem;
    color: var(--seafoam);
}

.policy-content h3 {
    font-size: 1.5rem;
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
    color: var(--text-light);
}

.policy-content p {
    margin-bottom: 1rem;
    color: var(--text-light);
    opacity: 0.9;
    line-height: 1.8;
}

.policy-content ul {
    margin-left: 2rem;
    margin-bottom: 1.5rem;
    color: var(--text-light);
    opacity: 0.9;
}

.policy-content li {
    margin-bottom: 0.5rem;
    line-height: 1.8;
}

.policy-content a {
    color: var(--seafoam);
    text-decoration: underline;
}

.policy-content a:hover {
    color: var(--secondary-blue);
}

/* Footer */
footer {
    background: rgba(15, 23, 42, 0.95);
    padding: 2rem 0;
    text-align: center;
    border-top: 1px solid var(--border-color);
    margin-top: 4rem;
}

footer p {
    margin-bottom: 0.5rem;
    color: var(--text-light);
    opacity: 0.8;
}

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

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

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

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

    .hero-subtitle {
        font-size: 1rem;
    }

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

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

    .policy-content {
        padding: 2rem 1.5rem;
    }

    .privacy-policy h1 {
        font-size: 2rem;
    }
}