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

body {
    font-family: sans-serif;
    background: linear-gradient(135deg, #ededed 0%, #e2e8f0 100%);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.container {
    width: 100%;
    max-width: 900px;
    --bg-card: rgba(255, 255, 255, 0.95);
    --text-primary: #1a202c;
    --text-secondary: #4a5568;
    --border-color: rgba(0, 0, 0, 0.1);
    --item-bg: rgba(0, 0, 0, 0.03);
    --item-bg-hover: rgba(0, 0, 0, 0.06);
    --item-border-hover: rgba(102, 126, 234, 0.5);
}

.container:before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #d2d2d2 0%, #e2e8f0 100%);
    z-index: -1;
}

.card {
    background: var(--bg-card);
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 7px 14px rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(3px);
    border: 1px solid var(--border-color);
    color: #3f3f3f;
}

h1 {
    color: #787878;
    font-size: 2.5em;
    margin-bottom: 10px;
    text-align: center;
}

h3 {
    color: #818181;
    font-size: 1.4em;
    margin-bottom: 10px;
    text-align: left;
}

.sublinks {
  padding-left: 0.5em;
}

.subtitle {
    color: var(--text-secondary);
    text-align: center;
    margin-bottom: 40px;
    font-size: 1.1em;
}