.event-tabs {
    display: flex;
    background: #f4f4f4;
    border-radius: 10px;
    margin-bottom: 6rem;
    overflow: hidden;
}

.event-tab {
    flex: 1;
    text-align: center;
    padding: 2rem;
    font-size: 2rem;
    font-weight: 700;
    color: #777;
    cursor: pointer;
    position: relative;
    transition: all 0.3s ease;
}

.event-tab.active {
    background: #0b7135;
    color: #fff;
}

.event-tab.active::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    border-left: 8px solid transparent;
    border-right: 8px solid transparent;
    border-top: 10px solid #0b7135;
    z-index: 10;
}

.event-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 3rem;
}

.event-card {
    background: #fff;
    border-radius: 35px;
    padding: 5rem 3.5rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    min-height: 58rem;
    position: relative;
    transition: transform 0.3s ease;
}

.event-card:hover {
    transform: translateY(-10px);
}

.event-card.active-event {
    border: 2px solid #0b7135;
    box-shadow: 0 15px 40px rgba(11, 113, 53, 0.08);
}

.event-card.placeholder-event {
    border: 2px dashed #e1e1e1;
    background: #ffffff;
}

.card-sns-tag {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 2.5rem;
    color: #333;
}

.card-sns-tag i {
    width: 2.8rem;
    height: 2.8rem;
    color: #e4405f;
}

.event-card h3 {
    font-size: 2.8rem;
    font-weight: 800;
    margin-bottom: 3.5rem;
    color: #000;
    line-height: 1.3;
}

.event-card .card-img {
    width: 22rem;
    height: 22rem;
    margin-bottom: 3.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.event-card .card-img img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.event-card .card-date {
    font-size: 1.7rem;
    color: #999;
    margin-bottom: 3.5rem;
    font-weight: 500;
}

.event-card .event-btn {
    margin-top: auto;
    width: 100%;
    padding: 1.6rem;
    border: 1.5px solid #0b7135;
    border-radius: 12px;
    color: #0b7135;
    font-size: 1.8rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    transition: all 0.3s ease;
}

.event-card .event-btn:hover {
    background: #0b7135;
    color: #fff;
}

.placeholder-event .card-img {
    background: #f4f8f4;
    border-radius: 50%;
    width: 18rem;
    height: 18rem;
}

.placeholder-event h4 {
    font-size: 2.4rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    color: #222;
}

.placeholder-event p {
    font-size: 1.7rem;
    color: #888;
    line-height: 1.6;
}

@media (max-width: 1024px) {
    .event-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .event-grid {
        grid-template-columns: 1fr;
    }

    .event-tabs {
        margin-bottom: 4rem;
    }

    .event-tab {
        padding: 1.5rem;
        font-size: 1.8rem;
    }
}