* {
    box-sizing: border-box;
}

:root {
    font-family: Arial, Helvetica, sans-serif;
    color-scheme: light;
}

body {
    margin: 0;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    background: #f3f4f6;
    color: #1f2937;
}

.card {
    width: 100%;
    max-width: 480px;
    background: #ffffff;
    border-radius: 18px;
    padding: 32px 24px;
    text-align: center;
    box-shadow: 0 12px 35px rgba(0, 0, 0, 0.10);
}

.avatar {
    width: 84px;
    height: 84px;
    margin: 0 auto 18px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
    font-weight: 700;
    background: #e5e7eb;
}

h1 {
    margin: 0 0 8px;
    font-size: 2rem;
}

.role,
.company {
    margin: 4px 0;
    color: #6b7280;
}

.actions {
    display: grid;
    gap: 12px;
    margin: 28px 0;
}

.button {
    display: block;
    padding: 14px 16px;
    border-radius: 10px;
    text-decoration: none;
    font-weight: 700;
    border: 1px solid #d1d5db;
    color: #111827;
    background: #ffffff;
}

.button:hover,
.button:focus {
    background: #f9fafb;
}

.button.primary {
    background: #111827;
    color: #ffffff;
    border-color: #111827;
}

.button.primary:hover,
.button.primary:focus {
    background: #374151;
}

.details {
    padding-top: 8px;
    text-align: left;
    line-height: 1.6;
    border-top: 1px solid #e5e7eb;
}

.details p {
    margin: 8px 0;
    overflow-wrap: anywhere;
}

footer {
    margin-top: 24px;
    color: #9ca3af;
}

@media (max-width: 520px) {
    body {
        padding: 12px;
        align-items: flex-start;
    }

    .card {
        margin-top: 12px;
        padding: 26px 18px;
        border-radius: 14px;
    }

    h1 {
        font-size: 1.7rem;
    }
}