:root {
    --bg-color: #0A0F1D;
    --text-color: #E2E8F0;
    --accent-color: #D4AF37;
    --secondary-bg: #161B2B;
    --border-color: #2D3748;
    --nav-height: 70px;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
}

header {
    height: var(--nav-height);
    background-color: rgba(10, 15, 29, 0.95);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 5%;
    position: sticky;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
}

.logo {
    font-weight: 700;
    font-size: 1.2rem;
    color: var(--accent-color);
    text-decoration: none;
    letter-spacing: 1px;
}

nav ul {
    display: flex;
    list-style: none;
    gap: 30px;
}

nav a {
    color: var(--text-color);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.3s;
}

nav a:hover {
    color: var(--accent-color);
}

.btn-verify {
    background-color: var(--accent-color);
    color: var(--bg-color);
    padding: 10px 20px;
    border-radius: 4px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.85rem;
    transition: transform 0.2s, opacity 0.2s;
}

.btn-verify:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}

main {
    max-width: 1200px;
    margin: 60px auto;
    padding: 0 5%;
}

.hero {
    text-align: center;
    margin-bottom: 80px;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 20px;
    color: #FFFFFF;
}

.hero p {
    font-size: 1.2rem;
    color: #A0AEC0;
    max-width: 800px;
    margin: 0 auto;
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.card {
    background-color: var(--secondary-bg);
    border: 1px solid var(--border-color);
    padding: 40px;
    border-radius: 8px;
    transition: border-color 0.3s;
}

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

.card h3 {
    color: var(--accent-color);
    margin-bottom: 15px;
    font-size: 1.3rem;
}

.card p {
    color: #CBD5E0;
}

footer {
    border-top: 1px solid var(--border-color);
    padding: 40px 5%;
    text-align: center;
    font-size: 0.85rem;
    color: #718096;
    margin-top: 100px;
}

.tech-block {
    background: #000;
    padding: 20px;
    border-radius: 4px;
    font-family: 'Courier New', Courier, monospace;
    border-left: 4px solid var(--accent-color);
    margin: 20px 0;
    overflow-x: auto;
    color: #00FF00;
}

.registry-table {
    width: 100%;
    border-collapse: collapse;
    margin: 30px 0;
}

.registry-table th, .registry-table td {
    border: 1px solid var(--border-color);
    padding: 15px;
    text-align: left;
}

.registry-table th {
    background-color: var(--secondary-bg);
    color: var(--accent-color);
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.contact-card {
    background: var(--secondary-bg);
    padding: 25px;
    border-radius: 8px;
    text-align: center;
}

.contact-card h4 {
    margin-bottom: 10px;
}

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

h2 {
    color: #FFFFFF;
    margin-bottom: 30px;
    font-size: 2rem;
}

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