:root {
    --primary-bg: #0F172A;
    --secondary-bg: #1E293B;
    --accent-blue: #3B82F6;
    --text-main: #F8FAFC;
    --text-muted: #94A3B8;
    --border-color: #334155;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--primary-bg);
    color: var(--text-main);
    line-height: 1.6;
}

header {
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(8px);
    position: sticky;
    top: 0;
    z-index: 100;
}

.logo {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--accent-blue);
    text-decoration: none;
}

nav ul {
    display: flex;
    list-style: none;
    gap: 1.5rem;
}

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

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

.btn-verify {
    background-color: var(--accent-blue);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    transition: opacity 0.2s;
}

.btn-verify:hover {
    opacity: 0.9;
}

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

h1 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

h2 {
    font-size: 1.5rem;
    margin-top: 2rem;
    margin-bottom: 1rem;
    color: var(--accent-blue);
}

p {
    margin-bottom: 1rem;
    color: var(--text-muted);
}

.card {
    background-color: var(--secondary-bg);
    border: 1px solid var(--border-color);
    padding: 2rem;
    border-radius: 8px;
    margin-bottom: 2rem;
}

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

.contact-item {
    background: var(--secondary-bg);
    padding: 1.5rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.contact-label {
    display: block;
    font-size: 0.75rem;
    text-transform: uppercase;
    color: var(--accent-blue);
    margin-bottom: 0.5rem;
}

.contact-value {
    font-family: monospace;
    font-size: 1.1rem;
}

code {
    background: #000;
    padding: 1rem;
    display: block;
    border-radius: 4px;
    color: #10B981;
    font-family: monospace;
    margin: 1rem 0;
    white-space: pre-wrap;
}

footer {
    text-align: center;
    padding: 4rem 2rem;
    border-top: 1px solid var(--border-color);
    color: var(--text-muted);
    font-size: 0.8rem;
}

.form-group {
    margin-bottom: 1rem;
}

label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-main);
}

input, textarea {
    width: 100%;
    padding: 0.75rem;
    background: var(--primary-bg);
    border: 1px solid var(--border-color);
    color: white;
    border-radius: 4px;
}

button[type="submit"] {
    background: var(--accent-blue);
    color: white;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 4px;
    cursor: pointer;
    font-weight: 600;
}