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

/* Variables */
:root {
    --primary: #6750A4;
    --primary-dark: #4A3881;
    --bg-dark: #0D1117;
    --bg-dark-alt: #161B22;
    --text-light: #E6E1E5;
    --text-dim: #B0A8B5;
}

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

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Hero */
.hero {
    text-align: center;
    padding: 80px 20px;
    background: linear-gradient(135deg, var(--bg-dark) 0%, var(--bg-dark-alt) 100%);
}

.logo {
    font-size: 80px;
    margin-bottom: 20px;
}

.hero h1 {
    font-size: 56px;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--text-light);
}

.tagline {
    font-size: 24px;
    color: var(--text-dim);
    margin-bottom: 40px;
}

.cta-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 16px;
}

.btn {
    display: inline-block;
    padding: 14px 32px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 16px;
    transition: all 0.2s;
}

.btn-primary {
    background: var(--primary);
    color: white;
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

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

.btn-secondary:hover {
    background: var(--primary);
    color: white;
}

.version {
    color: var(--text-dim);
    font-size: 14px;
}

/* Sections */
.section {
    padding: 80px 20px;
}

.section-alt {
    background: var(--bg-dark-alt);
}

.section h2 {
    font-size: 40px;
    text-align: center;
    margin-bottom: 48px;
    color: var(--text-light);
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
    margin-top: 48px;
}

.feature {
    text-align: center;
    padding: 24px;
}

.feature-icon {
    font-size: 64px;
    margin-bottom: 16px;
}

.feature h3 {
    font-size: 24px;
    margin-bottom: 12px;
    color: var(--text-light);
}

.feature p {
    color: var(--text-dim);
    font-size: 16px;
}

/* Feature List */
.feature-list {
    list-style: none;
    max-width: 600px;
    margin: 0 auto;
    font-size: 18px;
}

.feature-list li {
    padding: 12px 0;
    color: var(--text-light);
}

/* Transparency Section */
.transparency {
    max-width: 700px;
    margin: 0 auto;
    text-align: left;
}

.transparency h3 {
    font-size: 24px;
    margin-top: 32px;
    margin-bottom: 12px;
    color: var(--primary);
}

.transparency h4 {
    font-size: 18px;
    margin-top: 24px;
    margin-bottom: 8px;
    color: var(--text-light);
}

.transparency p {
    margin-bottom: 16px;
    color: var(--text-dim);
    font-size: 16px;
}

.transparency ul {
    margin: 16px 0 24px 20px;
    color: var(--text-dim);
}

.transparency li {
    margin-bottom: 8px;
}

/* Footer */
.footer {
    padding: 40px 20px;
    text-align: center;
    border-top: 1px solid var(--bg-dark-alt);
}

.footer-links {
    display: flex;
    gap: 24px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 16px;
}

.footer-links a {
    color: var(--primary);
    text-decoration: none;
    font-size: 16px;
}

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

.copyright {
    color: var(--text-dim);
    font-size: 14px;
}

/* Responsive */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 40px;
    }

    .tagline {
        font-size: 18px;
    }

    .section h2 {
        font-size: 32px;
    }

    .cta-buttons {
        flex-direction: column;
        align-items: stretch;
    }

    .btn {
        width: 100%;
        max-width: 300px;
        margin: 0 auto;
    }
}