/* ==========================================================================
   CMBG3 — Events Calendar Styles
   Modularised for maintenance and performance.
   ========================================================================== */


/* Section Headers */
.event-year-divider {
    font-size: 2.2rem;
    font-weight: 300;
    color: var(--copley-deep-blue);
    margin: 60px 0 30px;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--copley-tan);
    display: inline-block;
}

.upcoming-header {
    border-bottom-color: var(--siren);
    /* Highlight upcoming section */
}

/* The Grid */
.event-year-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    margin-bottom: 60px;
}

/* Individual Event Card — Premium Design */
.event-archive-card {
    position: relative;
    /* Required for stretched-link */
    display: flex;
    flex-direction: column;
    background: #ffffff;
    border: 1px solid #eaeaea;
    transition: transform 0.4s cubic-bezier(0.165, 0.84, 0.44, 1),
        box-shadow 0.4s ease,
        border-color 0.3s ease;
    height: 100%;
}

.event-archive-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 45px rgba(27, 35, 50, 0.08);
    border-color: var(--copley-tan);
}

.event-card-thumbnail {
    aspect-ratio: 16/9;
    object-fit: cover;
    width: 100%;
    display: block;
    filter: grayscale(20%);
    transition: filter 0.3s ease;
}

.event-archive-card:hover .event-card-thumbnail {
    filter: grayscale(0%);
}

.event-card-content {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    padding: 20px;
}

.event-card-title {
    font-size: 2.4rem;
    line-height: 1.3;
    margin-bottom: 15px;
    font-weight: 500;
    letter-spacing: -0.01em;
}

.event-card-title a {
    color: var(--copley-deep-blue);
    text-decoration: none;
    transition: color 0.2s ease;
}

.event-card-title a:hover {
    color: var(--copley-tan);
}

/* Disable global drawing underline effect for event cards */
.event-archive-card .event-card-title a span {
    background-image: none !important;
}

.event-card-meta {
    margin-top: auto;
    font-size: 1.4rem;
    color: #777;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    display: flex;
    align-items: center;
    gap: 10px;
}

/* .event-card-meta::before {
    content: '';
    display: inline-block;
    width: 8px;
    height: 1px;
    background-color: var(--copley-tan);
} */

/* Past Events Collapsible UI */
.past-events-wrapper {
    margin-top: 100px;
}

.past-events-title {
    font-size: 2.8rem;
    font-weight: 300;
    margin-bottom: 50px;
    color: var(--copley-deep-blue);
    letter-spacing: -0.02em;
}

.event-year-group {
    border-bottom: 1px solid #eee;
}

.event-year-toggle {
    width: 100%;
    background: none;
    border: none;
    padding: 35px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    font-family: inherit;
    text-align: left;
    transition: all 0.3s ease;
}

.event-year-toggle:hover {
    padding-left: 15px;
    background-color: rgba(209, 169, 124, 0.03);
    /* Subtle tan hint */
}

.event-year-toggle .year-label {
    font-size: 2.4rem;
    font-weight: 300;
    color: var(--atlantic);
}

.event-year-toggle .event-count {
    font-size: 2rem;
    color: var(--atlantic);
    margin-left: 25px;
    flex-grow: 1;
    text-transform: uppercase;
}

/* Elegant Plus/Minus Icon */
.event-year-toggle .toggle-icon {
    position: relative;
    width: 20px;
    height: 20px;
}

.event-year-toggle .toggle-icon::before,
.event-year-toggle .toggle-icon::after {
    content: '';
    position: absolute;
    background-color: var(--copley-deep-blue);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.event-year-toggle .toggle-icon::before {
    width: 100%;
    height: 1px;
    top: 50%;
    left: 0;
}

.event-year-toggle .toggle-icon::after {
    width: 1px;
    height: 100%;
    top: 0;
    left: 50%;
}

.event-year-toggle[aria-expanded="true"] .toggle-icon::after {
    transform: rotate(90deg);
    opacity: 0;
}

.event-year-toggle[aria-expanded="true"] .toggle-icon::before {
    background-color: var(--copley-tan);
}

.event-year-toggle:focus {
    background-color: transparent;

}

.event-year-group .event-year-grid {
    padding-top: 35px;
    padding-bottom: 70px;
    margin-bottom: 0;
}

/* Responsive Breakpoints */
@media (max-width: 768px) {
    .event-year-divider {
        margin: 40px 0 20px;
    }

    .event-year-divider h3 {
        font-size: 1.4rem;
    }
}

@media (max-width: 1100px) {
    .event-year-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }
}

@media (max-width: 640px) {
    .event-year-grid {
        grid-template-columns: 1fr;
    }

    .event-year-toggle .year-label {
        font-size: 1.8rem;
    }

    .event-year-toggle .event-count {
        display: none;
        /* Hide count on mobile to save space */
    }

    .event-archive-card {
        padding: 20px;
    }
}

/* Highlight the whole card when the link is focused (for keyboard users) */
.event-archive-card:focus-within {
    outline: 2px solid var(--copley-tan);
    outline-offset: 4px;
}