.footer-expedia {
        background: linear-gradient(100deg, #000000 0%, #2c3e50 100%); /* Gradient for depth */
        color: #f0f0f0;
        padding: 60px 20px 40px;
        font-family: 'Inter', sans-serif; /* Modern, clean font */
        position: relative;
        overflow: hidden;
    }

    .footer-expedia .container {
        max-width: 1240px;
        margin: 0 auto;
    }

    .footer-expedia-top {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
        gap: 30px;
        margin-bottom: 40px;
        border-bottom: 1px solid #555;
        padding-bottom: 40px;
    }

    .footer-expedia-col  h3 {
        font-size: 1.1rem;
        font-weight: 600;
        margin-bottom: 20px;
        color: #eee;
        transition: color 0.3s ease;
    }

    .footer-expedia-col ul {
        list-style: none;
        padding: 0;
        margin: 0;
    }

    .footer-expedia-col li {
        margin-bottom: 12px;
    }

    .footer-expedia-col a {
        color: #ccc;
        text-decoration: none;
        font-size: 0.95rem;
        transition: color 0.3s ease;
    }

    .footer-expedia-col a:hover {
        color: #fff;
        text-decoration: underline;
    }

    .footer-expedia-disclaimer {
        background-color: #333;
        color: #ccc;
        padding: 25px;
        border-radius: 8px;
        margin-bottom: 40px;
        font-size: 0.85rem;
        line-height: 1.7;
        box-shadow: 0 2px 4px rgba(0,0,0,0.2);
    }

    .footer-expedia-disclaimer a {
        color: #8ac4ff;
        text-decoration: underline;
    }

    .footer-expedia-disclaimer a:hover {
        color: #b0d4ff;
    }

    .footer-expedia-bottom {
        padding-top: 20px;
        font-size: 0.85rem;
        color: #999;
        display: flex;
        justify-content: space-between;
        align-items: center;
    }

    .footer-expedia-bottom a {
        color: #999;
        text-decoration: none;
        margin: 0 15px;
        transition: color 0.3s ease;
    }

    .footer-expedia-bottom a:hover {
        color: #ccc;
        text-decoration: underline;
    }

    .footer-social-icons {
        display: flex;
        gap: 15px;
        margin-top: 20px;
    }

    .footer-social-icons a {
        color: #ccc;
        font-size: 1.2rem;
        transition: color 0.3s ease, transform 0.3s ease;
    }

    .footer-social-icons a:hover {
        color: #fff;
        transform: scale(1.1);
    }

    .footer-newsletter {
        margin-top: 20px;
    }

    .footer-newsletter input {
        padding: 10px;
        border: none;
        border-radius: 5px 0 0 5px;
        width: 200px;
        font-size: 0.9rem;
    }

    .footer-newsletter button {
        padding: 10px 20px;
        border: none;
        background: #8ac4ff;
        color: #1a1a1a;
        border-radius: 0 5px 5px 0;
        font-size: 0.9rem;
        cursor: pointer;
        transition: background 0.3s ease;
    }

    .footer-newsletter button:hover {
        background: #b0d4ff;
    }

    /* Responsive adjustments */
    @media (max-width: 767px) {
        .footer-expedia {
            padding: 40px 15px;
        }

        .footer-expedia-top {
            grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
            margin-bottom: 30px;
            padding-bottom: 30px;
        }

        .footer-expedia-col h3 {
            font-size: 1rem;
            margin-bottom: 15px;
        }

        .footer-expedia-col li {
            margin-bottom: 10px;
        }

        .footer-expedia-col a {
            font-size: 0.9rem;
        }

        .footer-expedia-bottom {
            flex-direction: column;
            align-items: center;
            text-align: center;
            gap: 15px;
        }

        .footer-expedia-bottom > div {
            margin-bottom: 15px;
        }

        .footer-expedia-bottom a {
            margin: 5px;
        }

        .footer-newsletter input {
            width: 100%;
            max-width: 250px;
        }
    }

        /* Global CSS Variables for consistent theming */
        :root {
            --primary-color: #1a73e8; /* Google Blue */
            --text-color: #202124;    /* Dark text for headings */
            --secondary-text-color: #5f6368; /* Grey text for details */
            --border-color: #dadce0; /* Light grey border */
            --background-color: #f1f3f4; /* Light grey background */
            --card-background: #fff; /* White card background */
            --border-radius: 8px;
            --box-shadow: 0 1px 2px 0 rgba(60, 64, 67, 0.3), 0 1px 3px 1px rgba(60, 64, 67, 0.15);
        }

        /* Base Styles */
        body {
            font-family: 'Google Sans', 'Roboto', sans-serif;
            background-color: var(--background-color);
            color: var(--text-color);
            line-height: 1.5;
            margin: 0;
            padding: 0;
        }

        /* Container for main content */
        .container-fluid-custom {
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* --- Header Styling --- */
        .header {
            background-color: var(--card-background);
            box-shadow: var(--box-shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
            border-bottom: 1px solid var(--border-color);
            padding: 16px 0;
        }

        .header-content {
            display: flex;
            align-items: center;
        }

        .logo {
            display: flex;
            align-items: center;
            font-size: 22px;
            font-weight: 500;
            color: var(--text-color);
            text-decoration: none;
            gap: 8px;
            margin-right: 32px;
            flex-shrink: 0;
        }

        .logo i {
            color: var(--primary-color);
        }

        .header-nav {
            flex-grow: 1;
        }

        .main-menu {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            gap: 24px;
        }

        .main-menu li a {
            font-size: 15px;
            font-weight: 500;
            color: var(--secondary-text-color);
            text-decoration: none;
            padding: 8px 0;
            transition: color 0.2s ease;
            position: relative;
        }

        .main-menu li a:hover,
        .main-menu li a.active {
            color: var(--primary-color);
        }

        .main-menu li a.active::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: -5px;
            width: 100%;
            height: 3px;
            background-color: var(--primary-color);
            border-radius: 2px;
        }

        /* --- Search Summary Bar --- */
        .search-summary-bar {
            display: flex;
            align-items: center;
            gap: 24px;
            padding: 24px 0 16px;
            flex-wrap: wrap;
        }

        .back-link {
            display: flex;
            align-items: center;
            gap: 8px;
            color: var(--primary-color);
            text-decoration: none;
            font-size: 14px;
            font-weight: 500;
            transition: opacity 0.2s ease;
        }

        .back-link:hover {
            opacity: 0.8;
        }

        .search-details {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px 16px;
        }

        .search-route-heading {
            font-size: 14px;
            font-weight: 500;
            margin: 0;
            color: var(--text-color);
        }

        /* --- Main Content Layout --- */
        .main-content-area {
            display: flex;
            gap: 24px;
            padding-bottom: 24px;
            flex-wrap: wrap;
        }

        /* --- Filter Panel --- */
        .filter-panel {
            flex: 0 0 280px;
            background-color: var(--card-background);
            border-radius: var(--border-radius);
            box-shadow: var(--box-shadow);
            padding: 24px;
            position: sticky;
            top: 90px;
            max-height: calc(100vh - 110px);
            overflow-y: auto;
            align-self: flex-start;
        }

        .filter-group {
            margin-bottom: 24px;
            border-bottom: 1px solid var(--border-color);
            padding-bottom: 20px;
        }

        .filter-group:last-child {
            border-bottom: none;
            margin-bottom: 0;
            padding-bottom: 0;
        }

        .filter-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 16px;
        }

        .filter-title {
            font-size: 18px;
            font-weight: 500;
            margin: 0;
            color: var(--text-color);
        }

        .filter-clear-btn {
            background: none;
            border: none;
            color: var(--primary-color);
            font-size: 14px;
            cursor: pointer;
            padding: 4px 8px;
            border-radius: 4px;
            transition: background-color 0.2s ease;
        }

        .filter-clear-btn:hover {
            background-color: rgba(26, 115, 232, 0.08);
        }

        .filter-options {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .custom-checkbox {
            display: flex;
            align-items: center;
            font-size: 14px;
            color: var(--secondary-text-color);
            cursor: pointer;
            gap: 12px;
            user-select: none;
        }

        .custom-checkbox input[type="checkbox"] {
            appearance: none;
            -webkit-appearance: none;
            width: 18px;
            height: 18px;
            border: 2px solid var(--border-color);
            border-radius: 4px;
            position: relative;
            cursor: pointer;
            transition: all 0.2s ease;
            flex-shrink: 0;
        }

        .custom-checkbox input[type="checkbox"]:checked {
            background-color: var(--primary-color);
            border-color: var(--primary-color);
        }

        .custom-checkbox input[type="checkbox"]:checked::before {
            content: '\2713';
            color: white;
            font-size: 12px;
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
        }

        .custom-checkbox input[type="checkbox"]:focus {
            outline: 2px solid var(--primary-color);
            outline-offset: 2px;
        }

        .custom-checkbox .label-text {
            line-height: 1.2;
        }

        /* Airline Logo Filters */
        .airline-logo-filters {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
            gap: 12px;
        }

        .airline-logo-checkbox {
            display: flex;
            align-items: center;
            background-color: var(--card-background);
            border: 1px solid var(--border-color);
            border-radius: var(--border-radius);
            padding: 8px;
            transition: border-color 0.2s ease, box-shadow 0.2s ease;
            cursor: pointer;
        }

        .airline-logo-checkbox:hover {
            border-color: var(--primary-color);
            box-shadow: var(--box-shadow);
        }

        .airline-logo-checkbox input[type="checkbox"] {
            appearance: none;
            -webkit-appearance: none;
            width: 18px;
            height: 18px;
            border: 2px solid var(--border-color);
            border-radius: 4px;
            position: relative;
            cursor: pointer;
            transition: all 0.2s ease;
            flex-shrink: 0;
            margin-right: 8px;
        }

        .airline-logo-checkbox input[type="checkbox"]:checked {
            background-color: var(--primary-color);
            border-color: var(--primary-color);
        }

        .airline-logo-checkbox input[type="checkbox"]:checked::before {
            content: '\2713';
            color: white;
            font-size: 12px;
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
        }

        .airline-logo-checkbox input[type="checkbox"]:focus {
            outline: 2px solid var(--primary-color);
            outline-offset: 2px;
        }

        .airline-logo-checkbox img {
            width: 24px;
            height: 24px;
            object-fit: contain;
            margin-right: 8px;
        }

        .airline-logo-checkbox .label-text {
            font-size: 14px;
            color: var(--text-color);
            text-transform: capitalize;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        /* Passenger Details in Filter Panel */
        .passenger-details {
            margin-top: 24px;
            padding-top: 20px;
            border-top: 1px solid var(--border-color);
            font-size: 14px;
            color: var(--secondary-text-color);
        }

        .passenger-details p {
            margin: 8px 0;
        }

        .passenger-details strong {
            color: var(--text-color);
        }

        /* Price Range Slider */
        .price-range-slider {
            position: relative;
            height: 6px;
            margin: 24px 0 16px;
            background: var(--border-color);
            border-radius: 3px;
        }

        .slider-range {
            height: 6px;
            background: var(--primary-color);
            position: absolute;
            border-radius: 3px;
        }

        .slider-handle {
            width: 20px;
            height: 20px;
            background: var(--card-background);
            border: 2px solid var(--primary-color);
            border-radius: 50%;
            position: absolute;
            top: -7px;
            cursor: grab;
            box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
            transition: transform 0.1s ease;
            transform: translateX(-50%);
        }

        .slider-handle:active {
            cursor: grabbing;
            transform: translateX(-50%) scale(1.1);
        }

        .price-values {
            display: flex;
            justify-content: space-between;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-color);
        }

        /* --- Flight Results Section --- */
        .flight-results-section {
            flex: 1;
        }

        .results-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 16px;
            background-color: var(--card-background);
            box-shadow: var(--box-shadow);
            border-radius: var(--border-radius);
            padding: 0px 24px;
        }

        .results-count {
            font-size: 18px;
            font-weight: 500;
            margin: 0;
            color: var(--text-color);
        }

        .sorting-options {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .sorting-options label {
            font-size: 14px;
            color: var(--secondary-text-color);
        }

        .sorting-options select {
            padding: 8px 12px;
            border-radius: 4px;
            border: 1px solid var(--border-color);
            font-size: 14px;
            color: var(--text-color);
            background-color: var(--card-background);
            appearance: none;
            background-repeat: no-repeat;
            background-position: right 8px center;
            background-size: 12px;
            padding-right: 30px;
        }

        .sorting-options select:focus {
            outline: none;
            border-color: var(--primary-color);
        }

        .no-results-message {
            background-color: var(--card-background);
            box-shadow: var(--box-shadow);
            border-radius: var(--border-radius);
            padding: 40px;
            text-align: center;
            font-size: 18px;
            color: var(--secondary-text-color);
            margin-top: 16px;
        }

        /* --- Flight Card Styling --- */
        .flight-card {
            background-color: var(--card-background);
            border-radius: var(--border-radius);
            box-shadow: var(--box-shadow);
            margin-bottom: 16px;
            overflow: hidden;
            transition: box-shadow 0.2s ease;
        }

        .flight-card:hover {
            box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1), 0 1px 3px rgba(0, 0, 0, 0.08);
        }

        .flight-card-main {
            display: grid;
            grid-template-columns: 1fr 1.5fr 1fr 150px;
            align-items: center;
            padding: 16px;
            cursor: pointer;
            transition: background-color 0.2s ease;
            gap: 12px;
        }

        .flight-card-main:hover {
            background-color: #f8f9fa;
        }

        .flight-card.expanded .flight-card-main {
            border-bottom: 1px solid var(--border-color);
            background-color: #fcfcfc;
        }

        .flight-segment {
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
        }

        .flight-segment .airline-logo {
            width: 20px;
            height: 20px;
            object-fit: contain;
            margin-bottom: 8px;
        }

        .flight-time {
            font-size: 20px;
            font-weight: 500;
            color: var(--text-color);
            line-height: 1.2;
        }

        .flight-airport-code {
            font-size: 14px;
            color: var(--secondary-text-color);
            margin-top: 4px;
            text-transform: uppercase;
        }

        .flight-duration-path-container {
            display: flex;
            flex-direction: column;
            align-items: center;
            padding: 0 16px;
        }

        .flight-total-duration {
            font-size: 14px;
            color: var(--secondary-text-color);
            margin-bottom: 8px;
        }

        .flight-path {
            width: 100%;
            height: 2px;
            background-color: var(--border-color);
            position: relative;
            margin: 8px 0;
        }

        .flight-path::before,
        .flight-path::after {
            content: '';
            position: absolute;
            top: 50%;
            transform: translateY(-50%);
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background-color: var(--secondary-text-color);
        }

        .flight-path::before {
            left: 0;
        }

        .flight-path::after {
            right: 0;
        }

        .flight-stops-info {
            font-size: 12px;
            color: var(--secondary-text-color);
            text-align: center;
        }

        .flight-stops-info.has-stops {
            font-weight: 500;
        }

        .flight-stops-info.text-red {
            color: #d93025;
        }

        .flight-price-container {
            display: flex;
            flex-direction: column;
            align-items: flex-end;
            gap: 8px;
            padding-left: 53px;
            border-left: 1px solid var(--border-color);
        }

        .flight-price-amount {
            font-size: 24px;
            font-weight: 500;
            color: var(--primary-color);
        }

        .flight-airline-name {
            font-size: 13px;
            color: var(--secondary-text-color);
            text-align: right;
        }

        .flight-select-btn {
            background-color: var(--primary-color);
            color: #fff;
            border: none;
            padding: 10px 24px;
            border-radius: 20px;
            font-size: 14px;
            font-weight: 500;
            cursor: pointer;
            transition: background-color 0.2s ease, box-shadow 0.2s ease;
            box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
            width: 100%;
            max-width: 150px;
        }

        .flight-select-btn:hover {
            background-color: #174ea6;
            box-shadow: 0 3px 6px rgba(0, 0, 0, 0.25);
        }

        .flight-select-btn:disabled {
            background-color: #ccc;
            cursor: not-allowed;
            box-shadow: none;
        }

        /* --- Flight Details (Expanded Section) --- */
        .flight-details-expanded {
            display: none;
            padding: 24px;
            background-color: #f8f9fa;
            border-top: 1px solid var(--border-color);
            border-bottom-left-radius: var(--border-radius);
            border-bottom-right-radius: var(--border-radius);
        }

        .flight-card.expanded .flight-details-expanded {
            display: block;
        }

        .detail-segment {
            margin-bottom: 20px;
            display: flex;
            position: relative;
        }

        .detail-segment:last-of-type {
            margin-bottom: 0;
        }

        .detail-segment-time {
            font-size: 16px;
            font-weight: 500;
            color: var(--text-color);
            width: 115px;
            flex-shrink: 0;
            text-align: right;
            padding-right: 16px;
        }

        .detail-segment-info {
            flex-grow: 1;
            border-left: 2px dashed var(--border-color);
            padding-left: 16px;
        }

        .detail-segment-info .route-info {
            font-size: 15px;
            color: var(--text-color);
            font-weight: 500;
            margin-bottom: 4px;
        }

        .detail-segment-info .meta-info {
            font-size: 13px;
            color: var(--secondary-text-color);
            margin-bottom: 4px;
        }

        .detail-layover {
            font-size: 13px;
            color: var(--secondary-text-color);
            border-left: 2px dashed var(--border-color);
            margin-top: -10px;
            margin-bottom: 10px;
            line-height: 1.4;
        }

        .detail-layover strong {
            color: var(--text-color);
        }

        .price-breakdown {
            font-size: 14px;
            color: var(--secondary-text-color);
            margin-top: 20px;
            border-top: 1px dashed var(--border-color);
            padding-top: 15px;
        }

        .price-breakdown-item {
            display: flex;
            justify-content: space-between;
            margin-bottom: 8px;
        }

        .price-breakdown-item:last-child {
            margin-bottom: 0;
            font-weight: 500;
            color: var(--text-color);
        }

        .total-trip-duration {
            font-size: 15px;
            font-weight: 500;
            color: var(--text-color);
            margin-top: 20px;
            border-top: 1px dashed var(--border-color);
            padding-top: 15px;
            text-align: right;
        }

        .total-trip-duration span {
            color: var(--primary-color);
        }

        /* --- Responsive Design --- */
        @media (max-width: 991px) {
            .container-fluid-custom {
                padding: 0 16px;
            }

            .header-content {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }

            .logo {
                margin-right: 0;
            }

            .navigation {
                margin-left: 0;
                width: 100%;
                justify-content: space-around;
            }

            .main-menu {
                width: 100%;
                justify-content: space-around;
                gap: 12px;
            }

            .search-summary-bar {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
                padding: 16px 0;
            }

            .search-route-heading {
                font-size: 10px;
            }

            .main-content-area {
                flex-direction: column;
                gap: 16px;
            }

            .filter-panel {
                position: static;
                max-height: none;
                overflow-y: visible;
                flex: 1 1 100%;
            }

            .filter-group {
                margin-bottom: 16px;
                padding-bottom: 16px;
            }

            .results-header {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
                padding: 12px 16px;
            }

            .results-count {
                font-size: 16px;
            }

            .sorting-options {
                width: 100%;
            }

            .sorting-options select {
                width: 100%;
            }

            .flight-card-main {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
                padding: 16px;
            }

            .flight-duration-path-container {
                grid-column: span 2;
                order: 3;
                padding: 0;
            }

            .flight-price-container {
                grid-column: span 2;
                order: 4;
                border-left: none;
                border-top: 1px solid var(--border-color);
                padding-top: 16px;
                margin-top: 16px;
                align-items: center;
            }

            .flight-price-amount {
                font-size: 20px;
            }

            .flight-airline-name {
                text-align: center;
            }

            .flight-select-btn {
                width: 100%;
                max-width: 250px;
            }

            .detail-layover {
                margin-left: 0;
                padding-left: 0;
                border-left: none;
                padding-top: 8px;
                border-top: 1px dashed var(--border-color);
                margin-top: 8px;
            }

            .total-trip-duration {
                text-align: left;
            }

            .airline-logo-filters {
                grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
            }
        }

        @media (max-width: 576px) {
            .flight-card-main {
                grid-template-columns: 1fr;
            }

            .flight-duration-path-container {
                grid-column: auto;
            }

            .flight-price-container {
                grid-column: auto;
            }

            .airline-logo-filters {
                grid-template-columns: 1fr;
            }
        }

        .visually-hidden {
            position: absolute !important;
            height: 1px;
            width: 1px;
            overflow: hidden;
            clip: rect(1px, 1px, 1px, 1px);
        }