:root {
    --primary: #0ea5e9;
    --primary-foreground: #ffffff;
    --secondary: #ffffff;
    --secondary-foreground: #000000;
    --muted: #333333;
    --muted-foreground: #999999;
    --accent: #0ea5e9;
    --accent-foreground: #ffffff;
    --border: #333333;
    --input: #000000;
    --ring: #0ea5e9;
    --background: #000000;
    --foreground: #ffffff;
    --card: #000000;
    --card-foreground: #ffffff;
}

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

body {
    background: var(--background);
    min-height: 100vh;
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    color: var(--foreground);
    overflow-x: hidden;
}

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 50;
    background: rgba(0, 0, 0, 0.9);
    border-bottom: 1px solid var(--border);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.25rem;
    font-weight: 400;
    color: var(--foreground);
    letter-spacing: 0.05em;
}

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

.nav-links a {
    color: var(--muted-foreground);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.3s ease;
}

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

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 6rem 2rem 2rem;
    position: relative;
}

.hero-content {
    max-width: 800px;
    z-index: 2;
}

.hero h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 300;
    line-height: 1.1;
    margin-bottom: 2rem;
    letter-spacing: -0.02em;
    white-space: nowrap;
}

@media (max-width: 768px) {
    .hero h1 {
        white-space: normal;
        font-size: clamp(2rem, 8vw, 3rem);
    }
}

.hero-subtitle {
    font-size: 1.1rem;
    color: var(--muted-foreground);
    margin-bottom: 3rem;
    line-height: 1.6;
    font-weight: 300;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 4rem;
}

.showcase {
    padding: 6rem 2rem;
    max-width: 1000px;
    margin: 0 auto;
    text-align: center;
}

.showcase h2 {
    font-size: 2rem;
    font-weight: 300;
    margin-bottom: 3rem;
    letter-spacing: -0.01em;
}

.product-image {
    width: 100%;
    max-width: 800px;
    height: auto;
    border: 1px solid var(--border);
    border-radius: 4px;
    margin: 0 auto;
    display: block;
}

.features {
    padding: 6rem 2rem;
    max-width: 1000px;
    margin: 0 auto;
    border-top: 1px solid var(--border);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 3rem;
    margin-top: 3rem;
}

.feature-card {
    padding: 0;
}

.feature-card h3 {
    font-size: 1.1rem;
    margin-bottom: 1rem;
    color: var(--foreground);
    font-weight: 400;
}

.feature-card p {
    color: var(--muted-foreground);
    line-height: 1.6;
    font-size: 0.95rem;
}

.footer {
    padding: 4rem 2rem 2rem;
    border-top: 1px solid var(--border);
    margin-top: 6rem;
}

.footer-content {
    max-width: 1000px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 3rem;
}

.footer-section h4 {
    color: var(--foreground);
    margin-bottom: 1.5rem;
    font-size: 1rem;
    font-weight: 400;
}

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.footer-links a {
    color: var(--muted-foreground);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.3s ease;
}

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

.footer-bottom {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border);
    text-align: center;
    color: var(--muted-foreground);
    font-size: 0.85rem;
}

.btn {
    padding: 0.75rem 1.5rem;
    border: 1px solid var(--border);
    background: transparent;
    color: var(--foreground);
    text-decoration: none;
    display: inline-block;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    cursor: pointer;
}

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

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

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

.profile-image {
    width: 100%;
    max-width: 600px;
    height: auto;
    border: 1px solid var(--border);
    border-radius: 4px;
    margin: 2rem auto;
    display: block;
}

/* Profile-specific enhancements */
.intro-card {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border);
    border-radius: 8px;
    margin-bottom: 1.5rem;
}

.intro-card .card-content {
    padding: 2rem;
}

.lead {
    font-size: 1.1rem;
    line-height: 1.7;
    color: var(--foreground);
    font-weight: 300;
}

.capabilities {
    padding: 4rem 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

.capabilities-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.capability-card {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border);
    border-radius: 8px;
    transition: border-color 0.3s ease;
}

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

.capability-card .card-content {
    padding: 1.5rem;
}

.capability-card h3 {
    font-size: 1rem;
    margin-bottom: 0.75rem;
    color: var(--foreground);
    font-weight: 400;
}

.text-muted {
    color: var(--muted-foreground);
    line-height: 1.6;
    font-size: 0.9rem;
}

.separator {
    height: 1px;
    background: var(--border);
    margin: 3rem auto;
    max-width: 200px;
}

.tech-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    justify-content: center;
    margin-top: 2rem;
}

.badge {
    display: inline-block;
    padding: 0.4rem 0.8rem;
    font-size: 0.75rem;
    font-weight: 400;
    border-radius: 4px;
    letter-spacing: 0.025em;
}

.badge-outline {
    border: 1px solid var(--border);
    background: transparent;
    color: var(--muted-foreground);
    transition: all 0.3s ease;
}

.badge-outline:hover {
    border-color: var(--primary);
    color: var(--primary);
}