.calendar-tabs {
    display: flex;
    gap: 1em;
    margin-bottom: 1.5em;
    justify-content: center;
    margin-top: 2em;
}

.tab-btn {
    padding: 0.6em 1.5em;
    border: none;
    border-radius: 9999px;
    font-weight: 600;
    cursor: pointer;
    background-color: #e5e7eb;
    color: #374151;
    transition: all 150ms ease;
}

.tab-btn.active-tab {
    background-color: #185FA5;
    color: white;
}

.tab-btn:focus-visible, .tab-btn:hover {
    outline: 3px solid #185FA5;
    outline-offset: 3px;
}

.calendar-section.active-calendar {
    display: block;
}

.calendars-container {
    display: flex;
    flex-direction: column;
    gap: 3em;
    margin-top: 2em;
}

.calendar-section {
    display: none;
    max-width: 1280px;
    width: 90%;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    margin: 0 auto;
}

.calendar-header {
    color: white;
    font-family: 'Caveat', cursive;
    text-align: center;
    padding: 0.5em;
    margin: 0;
    font-size: 2rem;
}

.orcas-header {
    background: linear-gradient(to right, #29ABE2, #2196F3);
}

.dolphins-header {
    background: linear-gradient(to right, #00ACC1, #00BCD4);
}

.lunch-header {
    background: linear-gradient(to right, #FF8C66, #FF6B4A);
}

.calendar-images {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.calendar-images img {
    width: 100%;
    display: block;
}