:root {
            --primary-color: #138999;
            --secondary-color: #0d5a66;
            --dark-text: #2c3e50;
            --light-text: #7f8c8d;
            --bg-light: #f4f7f6; 
            --white: #ffffff;
            --border-color: #e9ecef;
            --shadow: 0px 10px 30px rgba(0, 0, 0, 0.07);
            --shadow-hover: 0px 15px 40px rgba(0, 0, 0, 0.12);
            --font-body: 'Poppins', sans-serif;
            --radius: 16px; 
        }

        body {
            font-family: var(--font-body);
            background-color: var(--bg-light);
        }
        
        /* Keyframe for staggered animation */
        @keyframes fadeInUpStaggered {
            from {
                opacity: 0;
                transform: translateY(40px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* ===================================
           PAGE BANNER & TABS
        ====================================== */
        .page-banner-area {
            height: 40vh; display: flex; align-items: center; justify-content: center; background-image: url('https://images.unsplash.com/photo-1523580494863-6f3031224c94?q=80&w=2070&auto=format&fit=crop'); background-size: cover; background-position: center; position: relative; color: var(--white); text-align: center;
        }
        .page-banner-area::before {
            content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: linear-gradient(45deg, rgba(19, 137, 153, 0.7), rgba(13, 90, 102, 0.8));
        }
        .page-banner-content { position: relative; z-index: 2; color: var(--white); }
        .page-banner-content h1 { font-size: 3.5rem; font-weight: 700; color: var(--white); }
        
        .events-nav-tabs { border-bottom: 2px solid var(--border-color); }
        .events-nav-tabs .nav-item { margin-bottom: -2px; }
        .events-nav-tabs .nav-link { border: none; background: transparent; margin: 0 10px; color: var(--light-text); font-weight: 600; padding: 15px 20px; border-bottom: 2px solid transparent; transition: all 0.3s ease; }
        .events-nav-tabs .nav-link.active,
        .events-nav-tabs .nav-link:hover { color: var(--primary-color); border-bottom: 2px solid var(--primary-color); }

        /* ===================================
           ULTRA-MODERN VERTICAL EVENT LIST
        ====================================== */
        .events-card-vertical {
            position: relative;
            display: flex;
            margin-bottom: 2.5rem;
            border-radius: var(--radius);
            overflow: hidden;
            background: transparent; /* Card itself is transparent */
            transition: transform 0.4s ease;
            opacity: 0;
            animation: fadeInUpStaggered 0.8s ease-out forwards;
            animation-delay: var(--animation-delay, 0s);
        }
        .events-card-vertical:hover {
            transform: translateY(-8px);
        }

        /* Animated Gradient Border */
        .events-card-vertical::before {
            content: "";
            position: absolute;
            top: 50%;
            left: 50%;
            width: 250%; /* Larger for a softer gradient edge */
            height: 250%;
            z-index: 1;
            background: conic-gradient(from 0deg, var(--primary-color), #ff7e5f, #feb47b, var(--primary-color));
            transform: translate(-50%, -50%) rotate(0deg);
            opacity: 0;
            transition: opacity 0.5s ease, transform 1.5s ease-in-out;
        }
        .events-card-vertical:hover::before {
            opacity: 1;
            transform: translate(-50%, -50%) rotate(360deg);
        }

        /* Inner content container sits on top of the border */
        .event-card-inner {
            position: relative;
            z-index: 2;
            display: flex;
            width: calc(100% - 2px); /* 1px gap on each side for the border */
            height: calc(100% - 2px);
            margin: 1px;
            background: var(--white);
            border-radius: calc(var(--radius) - 1px);
            overflow: hidden;
        }

        /* Image Wrapper */
        .event-image-wrapper {
            flex: 0 0 320px;
            clip-path: polygon(0 0, 100% 0, 85% 100%, 0% 100%);
            position: relative;
        }
        .event-image-wrapper img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .events-card-vertical:hover .event-image-wrapper img {
            transform: scale(1.1);
        }

        /* Content Wrapper */
        .event-content-wrapper {
            flex: 1;
            padding: 2.5rem;
            display: flex;
            flex-direction: column;
        }

        /* Glassmorphism Date Badge */
        .event-date-vertical {
            position: absolute;
            top: 1.5rem;
            left: 1.5rem; /* Moved to the left */
            text-align: center;
            color: var(--dark-text);
            font-weight: 700;
            padding: 10px 15px;
            border-radius: var(--radius);
            background: rgba(255, 255, 255, 0.2);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.3);
            z-index: 3;
        }
        .event-date-vertical p { font-size: 2.2rem; margin: 0; line-height: 1; }
        .event-date-vertical span { font-size: 1rem; font-weight: 500; text-transform: uppercase; }

        .event-title-vertical { font-size: 1.8rem; font-weight: 700; line-height: 1.3; margin-bottom: 0.75rem; }
        .event-title-vertical a { color: var(--dark-text); text-decoration: none; transition: color 0.3s ease; }
        .event-title-vertical a:hover { color: var(--primary-color); }
        .event-meta-vertical { display: flex; gap: 1.5rem; color: var(--light-text); margin-bottom: 1.5rem; font-size: 1rem; }
        .event-meta-vertical span { display: flex; align-items: center; gap: 0.5rem; }
        .event-meta-vertical i { color: var(--primary-color); }
        .event-description { color: var(--light-text); line-height: 1.8; flex-grow: 1; }

        .details-btn-vertical {
            margin-top: 1.5rem;
            background: linear-gradient(45deg, var(--secondary-color), var(--primary-color));
            color: var(--white);
            padding: 14px 30px;
            border-radius: 50px;
            text-decoration: none;
            font-weight: 600;
            display: inline-block;
            align-self: flex-start;
            transition: all 0.4s ease;
            box-shadow: 0 4px 20px rgba(19, 137, 153, 0.3);
        }
        .details-btn-vertical:hover {
            box-shadow: 0 8px 25px rgba(19, 137, 153, 0.5);
            transform: translateY(-3px);
        }

        /* Pagination Styles */
        .pagination { gap: 5px; }
        .pagination .page-item .page-link { color: var(--light-text); border: none; border-radius: var(--radius) !important; font-weight: 600; padding: 10px 18px; transition: all 0.3s ease; }
        .pagination .page-item.active .page-link { background-color: var(--primary-color); color: var(--white); }
        
        /* Responsive Adjustments */
        @media (max-width: 991px) {
            .event-card-inner { flex-direction: column; }
            .event-image-wrapper { flex-basis: 250px; clip-path: none; }
        }