.hero-gradient {
    background: linear-gradient(135deg, #43cea2 0%, #185a9d 100%);
}
.card-gradient {
    background: linear-gradient(to right, #1d976c, #93f9b9);
}
.footer-gradient {
    background: linear-gradient(135deg, #0f2027 0%, #203a43 50%, #2c5364 100%);
}
.nav-link:hover {
    background: linear-gradient(to right, #1d976c, #93f9b9);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}
.event-card {
    transition: all 0.3s ease;
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}
.event-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.2);
}
.social-card {
    transition: all 0.3s ease;
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}
.social-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.2);
}
.difficulty-easy {
    background-color: #4ade80;
}
.difficulty-medium {
    background-color: #fbbf24;
}
.difficulty-hard {
    background-color: #f87171;
}
.event-type-social {
    background-color: #a78bfa;
}
.event-type-challenge {
    background-color: #f472b6;
}
.event-type-theme {
    background-color: #60a5fa;
}
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}
.animate-fadeIn {
    animation: fadeIn 0.6s ease forwards;
}
.ribbon {
    position: absolute;
    top: 10px;
    right: -30px;
    width: 120px;
    padding: 5px 0;
    background: #3b82f6;
    color: white;
    text-align: center;
    transform: rotate(45deg);
    font-size: 12px;
    font-weight: bold;
    box-shadow: 0 2px 5px rgba(0,0,0,0.2);
}