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

:root {
    --primary-color: #ffffff;
    --primary-hover: #e5e5e5;
    --secondary-color: #cccccc;
    --text-primary: #ffffff;
    --text-secondary: #a3a3a3;
    --bg-color: #000000;
    --card-bg: #1a1a1a;
    --border-radius: 12px;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -1px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.5), 0 10px 10px -5px rgba(0, 0, 0, 0.4);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background: #000000;
    min-height: 100vh;
    padding: 20px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    background: var(--bg-color);
    border-radius: 24px;
    overflow: hidden;
    box-shadow: none;
    min-height: calc(100vh - 40px);
    display: flex;
    flex-direction: column;
    border: 1px solid #1a1a1a;
}

.header {
    padding: 24px 40px;
    border-bottom: 1px solid #1a1a1a;
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(10px);
}

.logo {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-color);
    letter-spacing: -0.5px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    width: 40px;
    height: 40px;
    object-fit: contain;
    border-radius: 50%;
    border: 2px solid #cccccc;
    padding: 4px;
}

.hero {
    flex: 1;
    padding: 60px 40px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.hero-content {
    max-width: 800px;
    margin-bottom: 80px;
}

.hero-icon {
    width: 120px;
    height: 120px;
    object-fit: contain;
    margin-bottom: 32px;
    border-radius: 50%;
    border: 3px solid #cccccc;
    padding: 12px;
}

.title {
    font-size: 4rem;
    font-weight: 700;
    margin-bottom: 24px;
    color: var(--primary-color);
    line-height: 1.2;
    letter-spacing: -2px;
}

.subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
    line-height: 1.8;
    font-weight: 400;
}

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

.btn {
    padding: 14px 32px;
    font-size: 1rem;
    font-weight: 600;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: inherit;
}

.btn-primary {
    background: var(--primary-color);
    color: #000000;
    box-shadow: var(--shadow);
}

.btn-primary:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 0 20px rgba(255, 255, 255, 0.3);
}

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

.btn-secondary:hover {
    background: var(--primary-color);
    color: #000000;
    transform: translateY(-2px);
}

.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
    width: 100%;
    max-width: 1000px;
}

.feature-card {
    background: var(--card-bg);
    padding: 32px;
    border-radius: var(--border-radius);
    transition: all 0.3s ease;
    border: 1px solid #2a2a2a;
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 0 30px rgba(255, 255, 255, 0.1);
    border-color: var(--primary-color);
}

.icon {
    font-size: 3rem;
    margin-bottom: 16px;
}

.feature-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text-primary);
}

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

.footer {
    padding: 40px 40px 24px;
    border-top: 1px solid #1a1a1a;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.footer-info {
    display: flex;
    flex-direction: column;
    gap: 28px;
    margin-bottom: 24px;
    text-align: center;
}

.footer-section {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.footer-section h4 {
    color: var(--text-secondary);
    font-size: 1rem;
    font-weight: 400;
    margin: 0;
    text-transform: none;
    letter-spacing: 0;
}

.footer-section h4::after {
    content: ':';
}

.footer-section p {
    color: var(--primary-color);
    line-height: 1.6;
    font-size: 1.125rem;
    margin: 0;
    font-weight: 400;
}

.footer-section a {
    color: var(--primary-color);
    text-decoration: none;
    transition: opacity 0.3s ease;
}

.footer-section a:hover {
    opacity: 0.8;
}

.footer-copyright {
    text-align: center;
    padding-top: 16px;
    border-top: 1px solid #1a1a1a;
}

.footer-copyright p {
    margin: 0;
}

/* Responsive Design */
@media (max-width: 768px) {
    body {
        padding: 10px;
    }

    .container {
        border-radius: 16px;
        min-height: calc(100vh - 20px);
    }

    .header {
        padding: 20px 24px;
    }

    .logo {
        font-size: 20px;
    }

    .hero {
        padding: 40px 24px;
    }

    .hero-content {
        margin-bottom: 60px;
    }

    .title {
        font-size: 2.5rem;
        letter-spacing: -1px;
    }

    .subtitle {
        font-size: 1.1rem;
    }

    .features {
        gap: 20px;
    }

    .feature-card {
        padding: 24px;
    }

    .cta-buttons {
        flex-direction: column;
        width: 100%;
    }

    .btn {
        width: 100%;
    }

    .footer {
        padding: 32px 24px 20px;
    }

    .footer-section {
        flex-direction: column;
        gap: 4px;
    }
}

@media (max-width: 480px) {
    .title {
        font-size: 2rem;
    }

    .subtitle {
        font-size: 1rem;
    }

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