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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    /* purple */
    /* background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); */
    /* dark forest green */
    background: linear-gradient(135deg, #0f2027 0%, #00310d 50%, #005116 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.container {
    max-width: 1000px;
    width: 100%;
}

header {
    text-align: center;
    color: white;
    margin-bottom: 60px;
}

h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 10px;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.2);
}

.subtitle {
    font-size: 1.2rem;
    opacity: 0.9;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
    margin-bottom: 40px;
}

.card {
    background: white;
    border-radius: 16px;
    padding: 30px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    text-decoration: none;
    color: inherit;
    display: block;
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    transition: left 0.5s ease;
}

.card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 20px 50px rgba(0,0,0,0.3);
}

.card:hover::before {
    left: 100%;
}

.card-icon {
    font-size: 2.5rem;
    margin-bottom: 15px;
    display: block;
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    z-index: 1;
}

.card:hover .card-icon {
    transform: scale(1.05) rotate(3deg);
}

.card-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: #333;
    position: relative;
    z-index: 1;
}

.card-description {
    color: #666;
    line-height: 1.6;
    font-size: 0.95rem;
    position: relative;
    z-index: 1;
}

.stats-card {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.stats-card .card-title,
.stats-card .card-description {
    color: white;
}

.stats-card .card-description strong {
    font-size: 1.3rem;
    font-weight: 700;
}

footer {
    text-align: center;
    color: white;
    opacity: 0.8;
    font-size: 0.9rem;
}

@media (max-width: 768px) {
    h1 {
        font-size: 2rem;
    }

    .subtitle {
        font-size: 1rem;
    }

    .grid {
        grid-template-columns: 1fr;
    }
}