.calendar-section {
            max-width: 1200px;
            margin: 0 auto;
        }

        .calendar-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }

        .calendar-card {
            background: white;
            border-radius: 20px;
            padding: 2rem;
            box-shadow: 0 10px 30px rgba(0,0,0,0.1);
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .calendar-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, #1d7500, #1d7502);
        }

        .calendar-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 20px 40px rgba(0,0,0,0.15);
        }

        .timeline {
            position: relative;
            padding-left: 2rem;
        }

        .timeline::before {
            content: '';
            position: absolute;
            left: 0;
            top: 0;
            bottom: 0;
            width: 2px;
            background: linear-gradient(180deg, #1d7500, #1d7505);
            border-radius: 1px;
        }

        .timeline-item {
            position: relative;
            margin-bottom: 1.5rem;
            padding-left: 1.5rem;
        }

        .timeline-item::before {
            content: '';
            position: absolute;
            left: -1.5rem;
            top: 0.5rem;
            width: 10px;
            height: 10px;
            background: #1d7500;
            border-radius: 50%;
            border: 2px solid white;
            box-shadow: 0 2px 4px rgba(0,0,0,0.1);
        }

        .timeline-date {
            font-weight: 600;
            color: #1d7500;
            font-size: 0.9rem;
            margin-bottom: 0.25rem;
        }

        .timeline-title {
            font-weight: 500;
            color: #2d3748;
            margin-bottom: 0.25rem;
        }

        .timeline-description {
            color: #718096;
            font-size: 0.9rem;
            line-height: 1.4;
        }