:root {
    --bg-color: #0f172a;
    --card-bg: #1e293b;
    --text-color: #f8fafc;
    --primary-color: #3b82f6;
    --success-color: #10b981;
    --warning-color: #f59e0b;
}

body {
    margin: 0;
    font-family: 'Arial', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
}

.container {
    width: 90%;
    max-width: 1100px;
    margin: 0 auto;
    padding: 20px 0;
}

header {
    background-color: #020617;
    border-bottom: 1px solid #334155;
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0;
}

header h1 {
    margin: 0;
    font-size: 1.5rem;
    color: var(--primary-color);
}

nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    gap: 20px;
}

nav a {
    color: var(--text-color);
    text-decoration: none;
    font-weight: bold;
}

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

.hero {
    text-align: center;
    padding: 60px 0;
    background: linear-gradient(180deg, #1e293b 0%, #0f172a 100%);
}

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

.card {
    background-color: var(--card-bg);
    padding: 20px;
    border-radius: 8px;
    border-left: 5px solid #64748b;
}

.status-ok { border-left-color: var(--success-color); }
.status-pending { border-left-color: var(--warning-color); }

.contact-section {
    background-color: #1e293b;
    padding: 40px 0;
    border-top: 1px solid #334155;
}

form {
    background-color: #0f172a;
    padding: 30px;
    border-radius: 8px;
    max-width: 600px;
    margin: 20px auto 0 auto;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
}

.form-group input, .form-group textarea {
    width: 100%;
    padding: 10px;
    border-radius: 4px;
    border: 1px solid #475569;
    background-color: #1e293b;
    color: #fff;
    box-sizing: border-box;
}

.btn-submit {
    background-color: var(--primary-color);
    color: #fff;
    border: none;
    padding: 12px 20px;
    font-size: 1rem;
    font-weight: bold;
    border-radius: 4px;
    cursor: pointer;
    width: 100%;
}

.btn-submit:hover {
    background-color: #2563eb;
}

footer {
    text-align: center;
    padding: 20px 0;
    font-size: 0.9rem;
    color: #64748b;
}