:root {
    --bg-primary: #0f172a;
    --text-primary: #e2e8f0;
    --text-secondary: #94a3b8;
    --modal-bg: #f3f4f6; /* Light grey background requested by user */
    --modal-text: #1f2937;
    --accent: #8b5cf6;
    --accent-hover: #c4b5fd;
    --card-bg: rgba(30, 41, 59, 0.7);
    --card-border: rgba(255, 255, 255, 0.1);
}

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

/* body {
    font-family: 'Outfit', sans-serif;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    overflow-x: hidden;
    position: relative;
} */

/* Dynamic Background */
.background-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;
    background: radial-gradient(circle at 15% 50%, rgba(139, 92, 246, 0.15), transparent 25%),
                radial-gradient(circle at 85% 30%, rgba(56, 189, 248, 0.15), transparent 25%);
    animation: pulseBg 10s ease-in-out infinite alternate;
}

@keyframes pulseBg {
    0% { transform: scale(1); opacity: 0.8; }
    100% { transform: scale(1.1); opacity: 1; }
}

.container {
    max-width: 1200px;
    width: 100%;
    padding: 2rem;
    z-index: 1;
}

.header {
    text-align: center;
    margin-bottom: 4rem;
}

.header h1 {
    font-family: 'Playfair Display', serif;
    font-size: 3.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #7e95e2 0%, #2b1179 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 10px 30px rgba(139, 92, 246, 0.3);
}

.header p {
    font-size: 1.25rem;
    color: var(--text-secondary);
}

/* Cards Layout */
.cards-wrapper {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap; /* responsive */
}

/* Card Styling (Glassmorphism) */
.card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-radius: 20px;
    padding: 3rem 2rem;
    flex: 1;
    min-width: 280px;
    max-width: 350px;
    text-align: center;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
}

.card:hover {
    transform: translateY(-10px) scale(1.02);
    border-color: rgba(139, 92, 246, 0.5);
    box-shadow: 0 20px 40px rgba(139, 92, 246, 0.2);
}

.card-icon {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    display: inline-block;
    filter: drop-shadow(0 0 10px rgba(139, 92, 246, 0.4));
    transition: transform 0.3s ease;
}

.card:hover .card-icon {
    transform: scale(1.1) rotate(5deg);
}

.card h2 {
    font-size: 1.5rem;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--text-primary);
}

.card-glow {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    background: radial-gradient(circle at 50% 120%, rgba(139, 92, 246, 0.2), transparent 50%);
    opacity: 0;
    transition: opacity 0.4s ease;
    pointer-events: none;
}

.card:hover .card-glow {
    opacity: 1;
}

/* Modals */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: var(--modal-bg); /* Requested light grey */
    color: var(--modal-text);
    width: 90%;
    max-width: 600px;
    border-radius: 24px;
    padding: 2.5rem;
    position: relative;
    transform: translateY(30px) scale(0.95);
    opacity: 0;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    max-height: 85vh;
    overflow-y: auto;
}

/* Scrollbar styling for modal */
.modal::-webkit-scrollbar {
    width: 8px;
}
.modal::-webkit-scrollbar-track {
    background: transparent;
}
.modal::-webkit-scrollbar-thumb {
    background: transparent;
    border-radius: 10px;
}

.modal:hover::-webkit-scrollbar-thumb {
    background: #cbd5e1;
}

.modal.active {
    transform: translateY(0) scale(1);
    opacity: 1;
}

.close-btn {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    background: transparent;
    border: none;
    font-size: 2rem;
    color: #64748b;
    cursor: pointer;
    line-height: 1;
    transition: color 0.2s ease;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.close-btn:hover {
    color: #0f172a;
    background: rgba(0,0,0,0.05);
}

.modal-header h3 {
    font-size: 1.75rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    color: var(--accent);
    letter-spacing: 1px;
    border-bottom: 2px solid #e2e8f0;
    padding-bottom: 0.5rem;
}

.modal-body ul {
    list-style-type: none;
}

.modal-body ul li {
    font-size: 1.05rem;
    line-height: 1.6;
    margin-bottom: 1rem;
    padding-left: 1.5rem;
    position: relative;
}

.modal-body ul li::before {
    content: '✧';
    position: absolute;
    left: 0;
    color: var(--accent);
    font-size: 1.2rem;
    line-height: 1.6;
}

.modal-body .event-text {
    font-size: 1.25rem;
    line-height: 1.8;
    text-align: center;
    font-weight: 600;
    color: #334155;
    background: white;
    padding: 2rem;
    border-radius: 16px;
    border: 1px dashed #cbd5e1;
}

/* Responsive */
@media (max-width: 768px) {
    .header h1 {
        font-size: 2.5rem;
    }
    
    .cards-wrapper {
        flex-direction: column;
        align-items: center;
    }

    .card {
        width: 100%;
        max-width: 100%;
    }
}