/* Count Down */
        .flip-unit {
            perspective: 1000px;
            width: 80px;
            height: 100px;
            position: relative;
            text-align: center;
        }

        .flip-unit::after {
            content: attr(data-label);
            display: block;
            font-size: 12px;
            color: #bbb;
            margin-top: 5px;
            letter-spacing: 1px;
        }

        .flip-card {
            position: relative;
            width: 100%;
            height: 80px;
            border-radius: 10px;
            background: #fff;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
        }

        .card-face {
            position: absolute;
            width: 100%;
            height: 50%;
            line-height: 40px;
            font-size: 2em;
            font-weight: bold;
            color: #1e2738;
            background: #f0f0f0;
            backface-visibility: hidden;
            overflow: hidden;
        }

        .top {
            top: 0;
            transform-origin: bottom;
            z-index: 2;
        }

        .bottom {
            bottom: 0;
            line-height: 40px;
            transform-origin: top;
        }

        .flip-animate .top {
            animation: flipTop 0.5s forwards;
        }

        .flip-animate .bottom {
            animation: flipBottom 0.5s forwards;
        }

        @keyframes flipTop {
            0% {
                transform: rotateX(0deg);
            }

            100% {
                transform: rotateX(-90deg);
            }
        }

        @keyframes flipBottom {
            0% {
                transform: rotateX(90deg);
            }

            100% {
                transform: rotateX(0deg);
            }
        }

        .countdown-wrapper {
            margin-top: 1.5rem;
        }

        .closing-title {
            font-size: 1.25rem;
            letter-spacing: 1px;
            color: #2b2b2b;
        }

        @media (max-width: 576px) {
            .flip-clock {
                flex-wrap: wrap;
                gap: 10px;
            }

            .flip-unit {
                width: 60px;
                height: 80px;
            }

            .card-face {
                font-size: 1.5em;
                line-height: 35px;
            }

            .flip-unit::after {
                font-size: 10px;
            }

            .closing-title {
                font-size: 1rem;
            }
        }

        .flip-unit::after {
            color: #fff;
            /* instead of #bbb */
            font-weight: bold;
        }

        /* --------------- */

        .custom-input {
            height: 45px;
            border: 1px solid rgba(53, 53, 53, 0.56);
            border-radius: 0 !important;
            appearance: textfield;
            -moz-appearance: textfield;
            -webkit-appearance: none;
            padding: 6px 10px;
            box-shadow: none !important;
            outline: none !important;
            background-color: #fff;
        }

        /* Remove spinner buttons in Chrome/Safari */
        .custom-input::-webkit-inner-spin-button,
        .custom-input::-webkit-outer-spin-button {
            -webkit-appearance: none;
            margin: 0;
        }


        /* Light Blue-Themed Animated Button */
        .animated-button4 {
            background: linear-gradient(-30deg, #29a3cf 50%, #1e88b0 50%);
            padding: 20px 40px;
            margin: 12px;
            display: inline-block;
            transform: translate(0%, 0%);
            overflow: hidden;
            color: #ffffff;
            font-size: 20px;
            letter-spacing: 2.5px;
            text-align: center;
            text-transform: uppercase;
            text-decoration: none;
            box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
            position: relative;
            border-radius: 8px;
        }

        .animated-button4::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(255, 255, 255, 0.2);
            opacity: 0;
            transition: .2s opacity ease-in-out;
        }

        .animated-button4:hover::before {
            opacity: 1;
        }

        .animated-button4 span {
            position: absolute;
            display: block;
            background: linear-gradient(to left, rgba(255, 255, 255, 0), rgb(202, 234, 255));
        }

        .animated-button4 span:nth-child(1) {
            top: 0;
            left: 0;
            width: 100%;
            height: 2px;
            animation: animateTop 2s linear infinite;
        }

        .animated-button4 span:nth-child(2) {
            top: 0;
            right: 0;
            width: 2px;
            height: 100%;
            animation: animateRight 2s linear -1s infinite;
        }

        .animated-button4 span:nth-child(3) {
            bottom: 0;
            left: 0;
            width: 100%;
            height: 2px;
            animation: animateBottom 2s linear infinite;
        }

        .animated-button4 span:nth-child(4) {
            top: 0;
            left: 0;
            width: 2px;
            height: 100%;
            animation: animateLeft 2s linear -1s infinite;
        }

        @keyframes animateTop {
            0% {
                transform: translateX(100%);
            }

            100% {
                transform: translateX(-100%);
            }
        }

        @keyframes animateBottom {
            0% {
                transform: translateX(-100%);
            }

            100% {
                transform: translateX(100%);
            }
        }

        @keyframes animateRight {
            0% {
                transform: translateY(100%);
            }

            100% {
                transform: translateY(-100%);
            }
        }

        @keyframes animateLeft {
            0% {
                transform: translateY(-100%);
            }

            100% {
                transform: translateY(100%);
            }
        }


        /* Background & container */
        #details {
            background-color: #f4f7fa;
            /* very light blue-gray */
            padding: 3rem 0;
            font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
        }

        .content-box {
            background: #ffffff;
            padding: 1.5rem 1.5rem !important;
            box-shadow: 0 4px 12px rgb(0 0 0 / 0.08);
            border-radius: 0.6rem;
        }

        /*  */
        /* Typography */
        #details p {
            font-size: 1.18rem;
            line-height: 1.65;
            color: #444e72;
            /* dark slate blue */
            margin-bottom: 1.5rem;
        }

        h4 {
            font-weight: 700;
            font-size: 1.45rem;
            margin-top: 2rem;
            margin-bottom: 1.3rem;
            color: #1f2a63;
            /* navy */
            border-bottom: 3px solid #3a69e8;
            /* bright blue underline */
            padding-bottom: 0.5rem;
            letter-spacing: 0.03em;
        }

        ul.list-group {
            border: none;
            padding-left: 0;
        }

        ul.list-group li {
            border: none;
            padding: 0.6rem 0;
            font-weight: 600;
            color: #324870;
            /* medium blue */
            border-bottom: 1px solid #e3e9f3;
            transition: color 0.3s ease;
        }

        ul.list-group li:last-child {
            border-bottom: none;
        }

        ul.list-group li:hover {
            color: #3a69e8;
        }

        /* Info boxes with pastel backgrounds and colored borders */
        .info-box {
            border-left: 5px solid;
            border-radius: 0.4rem;
            padding: 1rem 1.5rem;
            margin-bottom: 1.25rem;
            font-weight: 600;
            color: #24355c;
            background-color: #e6eefc;
            /* pastel blue */
            box-shadow: 0 2px 6px rgb(0 0 0 / 0.06);
        }

        .info-date {
            border-color: #3a69e8;
            background-color: #e6efff;
        }

        .info-time {
            border-color: #3ac5f0;
            background-color: #e0f7fe;
        }

        .info-medium {
            border-color: #32b27a;
            background-color: #def7ec;
            color: #2a6046;
        }

        .info-venue {
            border-color: #f6a261;
            background-color: #fff3e6;
            color: #6f4a00;
        }

        .info-fee {
            border-color: #e94f37;
            background-color: #fdecea;
            color: #7a1800;
        }

        .info-refreshments {
            border-color: #7d5fff;
            background-color: #ede9ff;
            color: #4a399b;
        }

        /* Center text in info boxes */
        .info-box.text-center {
            text-align: center;
        }

        /* Target group heading */
        h5.target-group-title {
            font-weight: 700;
            font-size: 1.35rem;
            margin-bottom: 1rem;
            color: #1f2a63;
            letter-spacing: 0.02em;
        }

        /* Target group list */
        ul.target-group-list {
            list-style: none;
            padding-left: 0;
            border: 1px solid #cbd4f5;
            border-radius: 0.45rem;
            box-shadow: 0 1px 4px rgb(58 105 232 / 0.15);
        }

        ul.target-group-list li {
            padding: 0.9rem 1.25rem;
            border-bottom: 1px solid #d5dff9;
            font-weight: 600;
            color: #405a9e;
            transition: background-color 0.3s ease;
        }

        ul.target-group-list li:last-child {
            border-bottom: none;
        }

        ul.target-group-list li:hover {
            background-color: #e6eeff;
        }

        /* Fade-in animation */
        .animate-fade-in {
            opacity: 0;
            transform: translateY(30px);
            animation: fadeInUp 1s ease forwards;
            animation-delay: 0.3s;
        }

        @keyframes fadeInUp {
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* Link hover effect */
        a:hover {
            text-decoration: underline;
            color: #0056b3;
        }

        /* Prevent horizontal overflow */
        body,
        html {
            overflow-x: hidden;
        }

        /* Remove negative margin on small screens */
        @media (max-width: 991.98px) {
            .title-h1 {
                margin-left: 0 !important;
                padding-left: 1rem !important;
                padding-right: 1rem !important;
            }
        }

        /* Responsive card sizing */
        .hero-img .card {
            width: 300px;
            max-width: 100%;
            margin: 0 auto;
        }

        @media (max-width: 991.98px) {
            #hero .col-lg-6.order-1 {
                margin-bottom: 100px;
                /* increase margin bottom on mobile */
            }
        }