/* ================================================
   KUPFERSCHMIEDE - VERANSTALTUNGEN STYLES
   Minimalist Luxury Timeline Design (Collapsible)
================================================ */

/* --- Page Specific Variables --- */
.page-events {
    --color-timeline-line: rgba(183, 151, 105, 0.3);
    --color-timeline-dot: var(--color-primary);
    --card-bg: var(--color-white);
    --month-header-bg: var(--color-bg-warm);
    --month-header-text: var(--color-ink);
}

/* --- Hero Section --- */
.page-hero-events {
    position: relative;
    min-height: 60vh;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    align-items: center;
    padding: 0 1.5rem 4rem;
    overflow: hidden;
    text-align: center;
}

.page-hero-events .hero-bg {
    position: absolute;
    inset: 0;
    z-index: -2;
}

.page-hero-events .hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.page-hero-events .hero-gradient {
    position: absolute;
    inset: 0;
    z-index: -1;
    background: 
        linear-gradient(to top, rgba(0,0,0,0.8) 0%, rgba(0,0,0,0.3) 50%, rgba(0,0,0,0.2) 100%);
}

.page-hero-events .hero-content {
    max-width: 800px;
    margin-bottom: 2rem;
}

.page-hero-events h1 {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    color: var(--color-white);
    line-height: 1.1;
    margin-bottom: 1rem;
    font-weight: 400;
}

.page-hero-events .hero-tagline {
    font-family: var(--font-body);
    font-size: clamp(1rem, 1.5vw, 1.2rem);
    color: rgba(255, 255, 255, 0.9);
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

/* --- Timeline Container --- */
.events-section {
    padding: var(--space-xl) 1.5rem;
    background: var(--color-bg);
    position: relative;
    min-height: 600px;
}

.events-inner {
    max-width: 900px;
    margin: 0 auto;
    position: relative;
}

/* Timeline Line */
.timeline-line {
    position: absolute;
    left: 2rem;
    top: 0;
    bottom: 0;
    width: 1px;
    background: var(--color-timeline-line);
    z-index: 0;
}

/* Month Group */
.month-group {
    position: relative;
    margin-bottom: 1.5rem;
    padding-left: 4rem; /* Space for timeline */
}

/* Month Header (Collapsible Trigger) */
.month-header {
    position: relative;
    z-index: 10;
    display: flex;
    align-items: center;
    padding: 0.5rem 1rem 0.5rem 0;
    margin-left: -4rem; /* Align with left edge */
    cursor: pointer;
    border-radius: 8px;
    transition: background-color 0.3s ease;
}

.month-header:hover {
    background-color: rgba(183, 151, 105, 0.05);
}

.month-badge {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 4rem;
    height: 4rem;
    background: var(--color-white);
    color: var(--color-ink);
    border: 2px solid var(--color-timeline-line);
    border-radius: 50%;
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 500;
    text-transform: uppercase;
    box-shadow: var(--shadow-sm);
    position: relative;
    z-index: 2;
    margin-right: 1.5rem;
    transition: all 0.3s ease;
}

.month-group.active .month-badge {
    background: var(--color-primary);
    color: var(--color-white);
    border-color: var(--color-primary);
    box-shadow: var(--shadow-md);
}

.month-title {
    font-family: var(--font-display);
    font-size: 2rem;
    color: var(--color-ink);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    flex: 1;
    opacity: 0.6;
    transition: opacity 0.3s;
}

.month-group.active .month-title {
    opacity: 1;
}

.month-toggle-icon {
    font-size: 1.2rem;
    color: var(--color-primary);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    opacity: 0.5;
    margin-right: 1rem;
}

.month-group:hover .month-toggle-icon {
    opacity: 1;
}

.month-group.active .month-toggle-icon {
    transform: rotate(180deg);
    opacity: 1;
}

/* Event List (Collapsible Content) */
.events-list-wrapper {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.5s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.5s ease;
    opacity: 0;
}

.month-group.active .events-list-wrapper {
    opacity: 1;
    /* max-height is set via JS for smooth animation */
}

.events-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    padding-top: 2rem;
    padding-bottom: 2rem;
}

/* Event Item (Card) */
.event-item {
    background: var(--card-bg);
    border-radius: 4px;
    padding: 1.75rem 2rem;
    box-shadow: var(--shadow-sm);
    border-left: 3px solid var(--color-primary);
    transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
    position: relative;
    opacity: 0;
    transform: translateY(10px);
}

.month-group.active .event-item {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.1s;
}

.event-item:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-md);
    background: var(--color-white);
}

/* Date Bubble on Line */
.event-item::before {
    content: '';
    position: absolute;
    left: -2.35rem; /* Align with timeline line */
    top: 2.5rem;
    width: 11px;
    height: 11px;
    background: var(--color-bg);
    border: 2px solid var(--color-primary);
    border-radius: 50%;
    z-index: 1;
    transition: background 0.3s;
}

.event-item:hover::before {
    background: var(--color-primary);
}

.event-meta {
    display: flex;
    align-items: baseline;
    gap: 1rem;
    margin-bottom: 0.5rem;
    flex-wrap: wrap;
}

.event-date {
    font-family: var(--font-body);
    font-weight: 600;
    color: var(--color-accent);
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 0.05em;
}

.event-location {
    font-size: 0.85rem;
    color: var(--color-muted);
    display: flex;
    align-items: center;
    gap: 0.35rem;
}

.event-location i {
    font-size: 0.75rem;
}

.event-title {
    font-family: var(--font-display);
    font-size: 1.35rem;
    color: var(--color-ink);
    margin-bottom: 0;
    line-height: 1.3;
}

.event-item.highlight {
    background: linear-gradient(to right, #fff, rgba(183, 151, 105, 0.08));
    border-left-width: 5px;
    border-left-color: var(--color-accent);
}

.event-item.highlight .event-title {
    font-size: 1.5rem;
}

/* --- CTA Section --- */
.page-events .cta-section {
    margin-top: 4rem;
    background: var(--color-ink);
    color: var(--color-white);
    padding: 4rem 1.5rem;
    text-align: center;
}

.page-events .cta-inner {
    display: flex;
    justify-content: center;
}

.page-events .cta-content {
    margin: 0 auto;
    text-align: center;
}

.cta-content h2 {
    font-family: var(--font-display);
    font-size: 2rem;
    margin-bottom: 1rem;
}

.cta-content p {
    opacity: 0.8;
    max-width: 600px;
    margin: 0 auto 2rem;
}

.page-events .btn-events-cta {
    background: var(--color-white);
    color: var(--color-ink);
}

.page-events .btn-events-cta:hover {
    background: var(--color-accent);
    color: var(--color-ink);
}

/* ================================================
   RESPONSIVE
================================================ */
@media (max-width: 768px) {
    html.page-events { font-size: 18px; }

    .page-hero-events h1 {
        font-size: 2.5rem;
    }

    .events-section {
        padding: 2rem 1rem;
    }

    .timeline-line {
        left: 1.5rem;
    }

    .month-group {
        padding-left: 0;
        margin-bottom: 1rem;
    }

    .month-header {
        margin-left: 0;
        padding: 0.5rem;
    }
    
    .month-badge {
        width: 3rem;
        height: 3rem;
        font-size: 0.9rem;
        margin-right: 1rem;
    }

    .month-title {
        font-size: 1.5rem;
    }

    .events-list {
        padding-left: 1.5rem;
        border-left: 1px solid var(--color-timeline-line);
        margin-left: 1.5rem;
        gap: 1rem;
    }

    /* Hide global line on mobile, use local border inside expanded group */
    .timeline-line {
        display: none; 
    }

    .event-item {
        padding: 1.25rem;
    }

    .event-item::before {
        left: -1.85rem; /* Adjust for local border */
        top: 1.5rem;
    }

    .event-title {
        font-size: 1.15rem;
    }
}

@media (max-width: 480px) {
    html.page-events { font-size: 17px; }
}