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

:root {
    --bg-color: #ffffff;
    --text-color: #1a1a1a;
    --accent-color: #1a1a1a;
    --border-color: #333;
    --light-border: #ddd;
}

body {
    font-family: 'Courier New', Courier, monospace;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background: var(--bg-color);
    color: var(--text-color);
    line-height: 1.5;
    font-size: 14px;
}

nav {
    border-bottom: 2px solid var(--border-color);
    padding: 0 20px;
    background: var(--bg-color);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
}

.nav-logo {
    font-size: 1rem;
    font-weight: bold;
    letter-spacing: 1px;
    text-decoration: none;
    color: var(--accent-color);
}

.nav-logo::before {
    content: '[ ';
}

.nav-logo::after {
    content: ' ]';
}

.nav-links {
    display: flex;
    gap: 20px;
    list-style: none;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-color);
    font-size: 0.85rem;
    position: relative;
    padding: 3px 0;
}

.nav-links a::before {
    content: '> ';
    color: var(--accent-color);
    opacity: 0;
    transition: opacity 0.2s;
}

.nav-links a:hover::before,
.nav-links a.active::before {
    opacity: 1;
}

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

main {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 20px 15px;
}

.container {
    max-width: 800px;
    width: 100%;
    border: 2px solid var(--border-color);
    padding: 25px;
    position: relative;
}

.container::before {
    content: '┌';
    position: absolute;
    top: -10px;
    left: -10px;
    font-size: 20px;
    color: var(--accent-color);
    background: var(--bg-color);
    padding: 0 4px;
}

.container::after {
    content: '┘';
    position: absolute;
    bottom: -10px;
    right: -10px;
    font-size: 20px;
    color: var(--accent-color);
    background: var(--bg-color);
    padding: 0 4px;
}

.container-wide {
    max-width: 900px;
}

.hero {
    text-align: center;
    padding: 30px 0 20px 0;
}

.hero h1 {
    font-size: 1.8rem;
    font-weight: 400;
    margin-bottom: 0.5rem;
    letter-spacing: 2px;
    color: var(--accent-color);
}

.hero .subtitle {
    font-size: 0.85rem;
    margin-bottom: 1rem;
    opacity: 0.8;
}

.hero .subtitle::before {
    content: '$ ';
    color: var(--accent-color);
}

.hero .description {
    font-size: 0.8rem;
    line-height: 1.6;
    max-width: 500px;
    margin: 0 auto 1.5rem auto;
    opacity: 0.7;
}

.logo {
    width: 80px;
    height: 80px;
    margin: 0 auto 1rem auto;
    border: 2px solid var(--accent-color);
    background: transparent;
    padding: 10px;
    animation: fadeInUp 1s ease;
}

.logo img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.logo-small {
    width: 60px;
    height: 60px;
    padding: 8px;
}

.section {
    margin-bottom: 25px;
}

.section-title {
    font-size: 1rem;
    margin-bottom: 12px;
    padding-bottom: 6px;
    border-bottom: 1px solid var(--light-border);
}

.section-title::before {
    content: '## ';
    color: var(--accent-color);
}

.section-content {
    font-size: 0.8rem;
    line-height: 1.6;
    opacity: 0.8;
}

.section-content p {
    margin-bottom: 10px;
}

.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 12px;
    margin-top: 15px;
}

.card {
    border: 2px solid var(--border-color);
    padding: 15px;
    transition: all 0.2s ease;
}

.card:hover {
    border-color: var(--accent-color);
    transform: translateY(-2px);
}

.card h3 {
    font-size: 0.9rem;
    margin-bottom: 6px;
}

.card h3::before {
    content: '> ';
    color: var(--accent-color);
}

.card p {
    font-size: 0.75rem;
    opacity: 0.7;
    line-height: 1.5;
}

.terminal-list {
    list-style: none;
    padding: 0;
}

.terminal-list li {
    padding: 6px 0;
    border-bottom: 1px solid var(--light-border);
    font-size: 0.8rem;
}

.terminal-list li::before {
    content: '* ';
    color: var(--accent-color);
}

.terminal-list li:last-child {
    border-bottom: none;
}

.contact-info {
    margin-top: 15px;
}

.contact-item {
    display: flex;
    align-items: center;
    padding: 10px 0;
    border-bottom: 1px solid var(--light-border);
}

.contact-item::before {
    content: '>';
    color: var(--accent-color);
    margin-right: 12px;
    font-weight: bold;
}

.contact-label {
    width: 80px;
    font-weight: bold;
    opacity: 0.8;
    font-size: 0.8rem;
}

.contact-value {
    flex: 1;
    opacity: 0.7;
    font-size: 0.8rem;
}

.contact-value a {
    color: var(--text-color);
    text-decoration: none;
}

.contact-value a:hover {
    text-decoration: underline;
}

.btn {
    display: inline-block;
    padding: 8px 20px;
    border: 2px solid var(--border-color);
    background: transparent;
    color: var(--text-color);
    text-decoration: none;
    font-size: 0.8rem;
    font-family: inherit;
    cursor: pointer;
    transition: all 0.2s ease;
    margin-top: 15px;
}

.btn::before {
    content: '$ ';
}

.btn:hover {
    border-color: var(--accent-color);
    background: var(--accent-color);
    color: var(--bg-color);
}

.social-links {
    display: flex;
    gap: 15px;
    justify-content: center;
    margin-top: 20px;
}

.social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border: 2px solid var(--border-color);
    background: transparent;
    color: var(--text-color);
    text-decoration: none;
    font-size: 0.9rem;
    transition: all 0.2s ease;
}

.social-links a:hover {
    border-color: var(--accent-color);
    color: var(--accent-color);
    transform: translateY(-2px);
}

footer {
    border-top: 2px solid var(--border-color);
    padding: 12px 20px;
    text-align: center;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    font-size: 0.75rem;
    opacity: 0.5;
}

.footer-content::before {
    content: '// ';
    color: var(--accent-color);
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(15px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.cursor {
    display: inline-block;
    width: 8px;
    height: 14px;
    background: var(--text-color);
    margin-left: 4px;
    animation: blink 1s infinite;
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

@media (max-width: 768px) {
    nav {
        padding: 0 15px;
    }
    
    .nav-container {
        flex-direction: column;
        gap: 10px;
        padding: 10px 0;
    }
    
    .nav-links {
        gap: 12px;
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .container {
        padding: 20px 15px;
        margin: 0 8px;
    }
    
    .hero h1 {
        font-size: 1.4rem;
        letter-spacing: 1px;
    }
    
    .cards-grid {
        grid-template-columns: 1fr;
        gap: 10px;
    }
    
    .contact-item {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .contact-label {
        width: auto;
        margin-bottom: 3px;
    }
}