/*!
 * CSEC Design System v2.0 - Events Module (5-Column Minimalist Layout)
 * Copyright (c) 2026 Civil and Structural Engineering Consultants (Pvt) Ltd.
 * All Rights Reserved.
 */

/* --- EVENTS HERO BANNER (35% HEIGHT WITH VIDEO UNDERLAY) --- */
.events-hero-section {
    position: relative;
    width: 100%;
    height: 35vh;
    min-height: 300px;
    display: flex;
    align-items: center;
    padding: 7rem 4rem 3rem 4rem;
    overflow: hidden;
    margin: 0;
    background-color: var(--fern-deep-forest);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.hero-video-underlay {
    position: absolute;
    top: -2px;
    left: -2px;
    width: calc(100% + 4px);
    height: calc(100% + 4px);
    z-index: 1;
    overflow: hidden;
    background-color: var(--fern-deep-forest);
}

.hero-video-underlay video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: brightness(0.65);
    display: block;
}

.events-hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--warm-bay-bg, #f4f2ec);
    opacity: 0;
    transition: opacity 0.1s linear;
    z-index: 2;
    pointer-events: none;
}

.events-hero-container {
    position: relative;
    z-index: 3;
    width: 100%;
    max-width: 1720px;
    margin: 0 auto;
}

.events-hero-title {
    font-family: var(--font-primary);
    font-size: 3.5rem;
    font-weight: 300;
    letter-spacing: -0.02em;
    color: var(--text-warm-white);
    line-height: 1.15;
}

.events-hero-section .play-pause-btn {
    position: absolute;
    bottom: 2rem;
    left: 4rem;
    z-index: 10;
}

/* --- MAIN EVENTS SECTION (WARM WHITE BACKGROUND & REDUCED MARGINS) --- */
.events-main-section {
    position: relative;
    width: 100%;
    padding: 3.5rem 2rem 8rem 2rem; /* Reduced outer margins to maximize photo width */
    background-color: var(--warm-bay-bg, #f4f2ec);
    color: var(--fern-dark-green);
    z-index: 20;
}

.events-container-wrapper {
    max-width: 1720px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 3.5rem;
}

/* Filter / Sorting Controls Row */
.events-filter-controls-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid rgba(55, 74, 56, 0.18);
}

.events-count-badge {
    font-size: 0.88rem;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    font-weight: 600;
    color: var(--fern-dark-green);
}

/* Custom Animated Sort Dropdown */
.custom-sort-wrapper {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    position: relative;
}

.sort-label {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--fern-dark-green);
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.custom-sort-dropdown {
    position: relative;
}

.sort-trigger-btn {
    background-color: rgba(55, 74, 56, 0.08);
    border: 1px solid rgba(55, 74, 56, 0.25);
    color: var(--fern-dark-green);
    padding: 0.55rem 1.4rem;
    border-radius: 30px;
    font-size: 0.82rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 600;
    font-family: var(--font-primary);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    transition: all 0.3s cubic-bezier(0.25, 1, 0.5, 1);
    outline: none;
}

.sort-trigger-btn:hover,
.custom-sort-dropdown.open .sort-trigger-btn {
    border-color: var(--lime-green);
    box-shadow: 0 0 10px var(--lime-neon-glow);
    background-color: rgba(55, 74, 56, 0.12);
}

.sort-chevron {
    font-size: 0.75rem;
    transition: transform 0.3s ease;
}

.custom-sort-dropdown.open .sort-chevron {
    transform: rotate(180deg);
}

.sort-options-menu {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    min-width: 200px;
    background-color: var(--card-dark-brown);
    border: 1px solid rgba(164, 214, 94, 0.35);
    border-radius: 14px;
    box-shadow: 0 16px 36px rgba(0, 0, 0, 0.3), 0 0 15px rgba(164, 214, 94, 0.15);
    padding: 0.5rem;
    z-index: 60;
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
    transform: translateY(-8px);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1),
                opacity 0.3s ease,
                visibility 0.3s step-end;
}

.custom-sort-dropdown.open .sort-options-menu {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1),
                opacity 0.3s ease,
                visibility 0s;
}

.sort-option {
    padding: 0.75rem 1.1rem;
    border-radius: 8px;
    font-size: 0.85rem;
    color: var(--text-warm-white);
    display: flex;
    justify-content: space-between;
    align-items: center;
    text-decoration: none;
    transition: background-color 0.2s ease, color 0.2s ease;
}

.sort-option:hover {
    background-color: rgba(164, 214, 94, 0.18);
    color: #ffffff;
}

.sort-option.active {
    color: var(--lime-green);
    font-weight: 600;
    background-color: rgba(164, 214, 94, 0.12);
}

.active-check {
    font-size: 1rem;
    color: var(--lime-green);
}

/* --- 5-COLUMN EVENTS GRID WITH AUTO-CENTERING ON LAST ROW --- */
.events-grid-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: center; /* Centers remaining 1-4 items on the last row */
    gap: 3.5rem 1.8rem;
    width: 100%;
}

/* Minimalist Event Tile (5 Per Row on Desktop) */
.event-tile {
    flex: 0 1 calc(20% - 1.5rem);
    max-width: calc(20% - 1.5rem);
    min-width: 220px;
    display: flex;
    flex-direction: column;
    justify-content: space-between; /* Ensures uniform baseline alignment per row */
    background: transparent;
    box-sizing: border-box;
    cursor: pointer;
    position: relative;
    transition: transform 0.35s cubic-bezier(0.25, 1, 0.5, 1);
}

.event-tile:hover {
    transform: translateY(-4px);
}

/* VERTICAL LIME-GREEN STREAKS DOWNWARDS BETWEEN TILES IN ROW */
@media (min-width: 1401px) {
    .event-tile:not(:nth-child(5n))::after {
        content: '';
        position: absolute;
        top: 6%;
        right: -0.9rem;
        width: 1px; /* Razor-thin 1px line */
        height: 88%;
        background: linear-gradient(180deg, 
            transparent 0%, 
            var(--lime-green) 5%, 
            var(--lime-green) 95%, 
            transparent 100%
        );
        pointer-events: none;
    }
}

@media (min-width: 1025px) and (max-width: 1400px) {
    .event-tile {
        flex: 0 1 calc(25% - 1.4rem);
        max-width: calc(25% - 1.4rem);
    }
    .event-tile:not(:nth-child(4n))::after {
        content: '';
        position: absolute;
        top: 6%;
        right: -0.9rem;
        width: 1px;
        height: 88%;
        background: linear-gradient(180deg, 
            transparent 0%, 
            var(--lime-green) 5%, 
            var(--lime-green) 95%, 
            transparent 100%
        );
        pointer-events: none;
    }
}

@media (min-width: 601px) and (max-width: 1024px) {
    .event-tile {
        flex: 0 1 calc(50% - 1rem);
        max-width: calc(50% - 1rem);
    }
    .event-tile:not(:nth-child(2n))::after {
        content: '';
        position: absolute;
        top: 6%;
        right: -0.9rem;
        width: 1px;
        height: 88%;
        background: linear-gradient(180deg, 
            transparent 0%, 
            var(--lime-green) 5%, 
            var(--lime-green) 95%, 
            transparent 100%
        );
        pointer-events: none;
    }
}

/* Image Bay (Natural Height, Width-Driven, No Border Radius) */
.event-image-bay {
    position: relative;
    width: 100%;
    height: auto;
    background: transparent;
    overflow: hidden;
    border-radius: 0 !important; /* Strictly no border radius */
    display: block;
}

.event-image-bay img {
    width: 100% !important;
    height: auto !important;
    object-fit: initial !important;
    display: block;
    border-radius: 0 !important;
    transition: transform 2s cubic-bezier(0.25, 1, 0.5, 1), filter 2s ease;
    filter: brightness(1);
}

/* 0.85 Brightness & Subtle Zoom on Hover */
.event-image-bay:hover img,
.event-tile.counting .event-image-bay img {
    transform: scale(1.05);
    filter: brightness(0.85);
}

/* Center-Out Circular Darkness Ripple */
.center-ripple-overlay {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(0, 0, 0, 0.32) 0%, rgba(0, 0, 0, 0.15) 55%, transparent 75%);
    transform: translate(-50%, -50%) scale(0);
    opacity: 0;
    pointer-events: none;
    z-index: 4;
    transition: transform 0.2s ease, opacity 0.2s ease;
}

.event-image-bay:hover .center-ripple-overlay,
.event-tile.counting .center-ripple-overlay {
    opacity: 1;
    transform: translate(-50%, -50%) scale(35);
    transition: transform 2s cubic-bezier(0.1, 0.8, 0.3, 1), opacity 0.4s ease;
}

/* Hide Category Badges on Top of Image */
.event-category-tag {
    display: none !important;
}

/* Details Below Image */
.event-details {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    flex: 1;
    margin-top: 0.8rem;
}

.event-date {
    font-size: 0.72rem;
    color: var(--fern-sage-green);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.4rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

/* Growing Lime-Green Underline Under Event Title */
.event-title {
    font-size: 1.18rem;
    font-weight: 500;
    color: var(--fern-dark-green);
    line-height: 1.35;
    margin: 0.2rem 0 0.4rem 0;
    position: relative;
    display: inline-block;
    width: fit-content;
    transition: color 0.3s ease;
}

.event-title::after {
    content: '';
    position: absolute;
    bottom: -3px;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--lime-green);
    box-shadow: 0 0 6px rgba(164, 214, 94, 0.35);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.35s cubic-bezier(0.77, 0, 0.175, 1);
}

.event-tile:hover .event-title::after,
.event-tile.counting .event-title::after {
    transform: scaleX(1);
}

.event-desc {
    font-size: 0.86rem;
    line-height: 1.55;
    color: rgba(55, 74, 56, 0.78);
    font-weight: 300;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.no-events-msg {
    text-align: center;
    font-size: 1.15rem;
    color: var(--fern-dark-green);
    padding: 3rem 0;
    width: 100%;
}

/* --- MINI PROJECTOR MODAL --- */
.projector-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(12, 18, 13, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    z-index: 250;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.4s ease;
    overscroll-behavior: contain !important;
}

.projector-backdrop.active {
    opacity: 1;
    pointer-events: auto;
}

.mini-projector-modal {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.92);
    width: 90vw;
    max-width: 800px;
    max-height: 85vh;
    background-color: var(--card-dark-brown);
    border-radius: 20px;
    border: 1px solid rgba(164, 214, 94, 0.35);
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.6);
    padding: 3rem;
    z-index: 300;
    color: var(--text-warm-white);
    display: flex;
    flex-direction: column;
    gap: 1.8rem;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    overflow: hidden;
    overscroll-behavior: contain !important;
    transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1),
                opacity 0.4s ease,
                visibility 0.5s step-end;
}

.mini-projector-modal.active {
    transform: translate(-50%, -50%) scale(1);
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1),
                opacity 0.4s ease,
                visibility 0s;
}

.projector-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.projector-meta {
    display: flex;
    align-items: center;
    gap: 1.2rem;
}

.projector-category {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    color: var(--lime-green);
    font-weight: 600;
}

.projector-date {
    font-size: 0.85rem;
    color: var(--text-warm-muted);
    font-weight: 400;
}

.projector-title {
    font-size: 2.2rem;
    font-weight: 300;
    color: var(--text-warm-white);
    margin-top: 0.4rem;
    margin-bottom: 0.8rem;
}

.projector-viewport {
    position: relative;
    width: 100%;
    flex: 1;
    overflow: hidden;
}

.projector-body {
    font-size: 1.05rem;
    line-height: 1.85;
    color: var(--text-warm-muted);
    font-weight: 300;
    overflow-y: auto;
    max-height: 48vh;
    padding-right: 0.5rem;
    white-space: pre-line;
}

.projector-footer {
    display: flex;
    justify-content: flex-start;
    padding-top: 1rem;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.view-article-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    background: transparent;
    border: 1px solid var(--lime-green);
    color: var(--lime-green);
    padding: 0.6rem 1.4rem;
    border-radius: 30px;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.3s ease;
}

.view-article-btn:hover {
    background-color: var(--lime-green);
    color: var(--fern-dark-green);
    box-shadow: 0 0 12px var(--lime-neon-glow);
    transform: translateY(-2px);
}

/* Pagination Controls */
.pagination-container {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1.8rem;
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(55, 74, 56, 0.2);
    width: 100%;
}

.page-nav-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    color: var(--fern-dark-green);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    font-weight: 600;
    transition: color 0.3s ease, transform 0.3s ease;
}

.page-nav-btn:hover {
    color: var(--lime-green);
    transform: translateX(3px);
}

.page-numbers {
    display: flex;
    gap: 0.75rem;
    align-items: center;
}

.page-num {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 1px solid rgba(55, 74, 56, 0.3);
    color: var(--fern-dark-green);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.page-num.active,
.page-num:hover {
    background-color: var(--lime-green);
    border-color: var(--lime-green);
    color: var(--fern-dark-green);
    box-shadow: 0 0 10px var(--lime-neon-glow);
}

/* Responsive */
@media (max-width: 600px) {
    .events-hero-section {
        padding: 6.5rem 1.5rem 2.5rem 1.5rem;
        height: auto;
        min-height: 270px;
    }

    .events-hero-title {
        font-size: clamp(1.75rem, 6.8vw, 2.1rem);
        line-height: 1.18;
    }

    .events-main-section {
        padding: 2.5rem 1.2rem 5rem 1.2rem;
    }

    .events-grid-container { 
        gap: 2rem; 
    }

    .event-tile {
        flex: 0 1 100%;
        max-width: 100%;
    }

    .event-title {
        font-size: 1.2rem;
        line-height: 1.35;
    }

    .pagination-container {
        gap: 0.5rem;
        padding-top: 1.5rem;
        margin-top: 1.5rem;
        flex-wrap: nowrap;
    }

    .page-nav-btn { font-size: 0.75rem; gap: 0.25rem; }
    .page-numbers { gap: 0.35rem; }
    .page-num { width: 32px; height: 32px; font-size: 0.82rem; }
}