:root {
    --bg-dark: #0a0a0a;
    --bg-card: #161616;
    --bg-section: #0f0f0f;
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --accent-primary: #3b82f6;
    --accent-secondary: #8b5cf6;
    --accent-gradient: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);
    --glass-border: rgba(255, 255, 255, 0.1);
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
}

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

body {
    background-color: var(--bg-dark);
    color: var(--text-primary);
    font-family: var(--font-sans);
    line-height: 1.7;
    overflow-x: hidden;
}

.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(10, 10, 10, 0.9);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--glass-border);
    z-index: 1000;
    padding: 1rem 0;
}

.nav-content {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--text-primary);
    text-decoration: none;
    letter-spacing: -0.02em;
}

.logo .highlight {
    color: var(--accent-primary);
}

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

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.2s;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--text-primary);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.mobile-menu-toggle span {
    width: 20px;
    height: 2px;
    background: var(--text-primary);
}

/* Hero */
.hero {
    padding: 160px 0 80px;
    text-align: center;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    letter-spacing: -0.03em;
}

.hero .tagline {
    font-size: 1.5rem;
    color: var(--text-secondary);
    font-weight: 300;
    margin-bottom: 2rem;
}

.gradient-text {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Content Sections */
.section {
    padding: 80px 0;
}

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

.section h2 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
}

.section p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
}

.section p:last-child {
    margin-bottom: 0;
}

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

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

.card:hover {
    border-color: var(--accent-primary);
}

.card .icon {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.card h3 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 0;
}

/* Page Header */
.page-header {
    padding: 140px 0 60px;
    text-align: center;
    border-bottom: 1px solid var(--glass-border);
}

.page-header h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.page-header .subtitle {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

/* Content */
.content {
    padding: 60px 0;
}

.content h2 {
    font-size: 1.75rem;
    margin: 2.5rem 0 1rem;
    color: var(--text-primary);
}

.content h2:first-child {
    margin-top: 0;
}

.content p {
    color: var(--text-secondary);
    font-size: 1.05rem;
    margin-bottom: 1.25rem;
}

.content ul {
    margin: 1.5rem 0;
    padding-left: 1.5rem;
}

.content li {
    color: var(--text-secondary);
    margin-bottom: 0.75rem;
}

.content strong {
    color: var(--text-primary);
}

/* Blockquote */
blockquote {
    border-left: 3px solid var(--accent-primary);
    padding-left: 1.5rem;
    margin: 2rem 0;
    font-style: italic;
    color: var(--text-secondary);
    font-size: 1.15rem;
}

/* Team Grid */
.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.team-member {
    text-align: center;
    padding: 2rem 1rem;
    background: var(--bg-card);
    border-radius: 12px;
    border: 1px solid var(--glass-border);
}

.team-member .avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: var(--accent-gradient);
    margin: 0 auto 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
}

.team-member h3 {
    font-size: 1rem;
    margin-bottom: 0.25rem;
}

.team-member .role {
    color: var(--text-secondary);
    font-size: 0.85rem;
}

/* Timeline */
.timeline {
    margin: 2rem 0;
    position: relative;
    padding-left: 2rem;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--glass-border);
}

.timeline-item {
    position: relative;
    padding-bottom: 2rem;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -2rem;
    top: 0.5rem;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--accent-primary);
    transform: translateX(-4px);
}

.timeline-item h3 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.timeline-item .date {
    font-size: 0.85rem;
    color: var(--accent-primary);
    margin-bottom: 0.5rem;
}

.timeline-item p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin: 0;
}

/* CTA */
.cta-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--accent-primary);
    text-decoration: none;
    font-weight: 500;
    margin-top: 1rem;
}

.cta-link:hover {
    text-decoration: underline;
}

/* Footer */
footer {
    border-top: 1px solid var(--glass-border);
    padding: 40px 0;
    text-align: center;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
}

.footer-links a:hover {
    color: var(--text-primary);
}

.copyright {
    color: var(--text-secondary);
    font-size: 0.85rem;
}

/* Responsive */
@media (max-width: 768px) {
    .container {
        padding: 0 1.5rem;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: 60px;
        left: 0;
        right: 0;
        background: rgba(10, 10, 10, 0.98);
        flex-direction: column;
        padding: 2rem;
        gap: 1.5rem;
        display: none;
    }

    .nav-links.active {
        display: flex;
    }

    .hero {
        padding: 120px 0 60px;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .hero .tagline {
        font-size: 1.2rem;
    }

    .page-header {
        padding: 100px 0 40px;
    }

    .page-header h1 {
        font-size: 2rem;
    }

    .section {
        padding: 50px 0;
    }

    .section h2,
    .content h2 {
        font-size: 1.5rem;
    }

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

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