/* --- VARIABLES --- */
        :root {
            --white: #ffffff;
            --brand-blue: #0E5DAD;       
            --brand-light: #e6f3ff;      
            --brand-yellow: #FFD633;     
            --brand-dark: #073b70;   
            --bg-gradient: linear-gradient(105deg, #073b70 0%, #0E5DAD 100%);
            --text-dark: #1a202c;
            --text-grey: #4a5568;
            --bg-page: #f7f9fc;
            --card-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
            --card-shadow-hover: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        /* --- BRAND THEMES --- */
        
        /* Opodo Theme */
        body[data-brand="opodo"] {
            --brand-blue: #3a3a3a;       
            --brand-blue-rgb: 76, 76, 76;
            
            --brand-light: #fff3eb;      
            
            --brand-yellow: #ff6600;     
            --brand-yellow-rgb: 255, 102, 0;
            
            --brand-dark: #823400;       
            --brand-dark-rgb: 130, 52, 0;
            
            --white: #ffffff;

             --bg-gradient: linear-gradient(90.51deg, var(--brand-blue) 10.54%, var(--brand-blue) 70.12%);
            --bg-gradient-dark: linear-gradient(90.51deg, var(--brand-blue) 10.54%, var(--brand-blue) 70.12%);
        }

        /* GO Voyages Theme */
        body[data-brand="govoyages"] {
            --brand-blue: #215C00;       
            --brand-blue-rgb: 33, 92, 0;
            
            --brand-light: #eaffde;      
            
            --brand-yellow: #66C431;     
            --brand-yellow-rgb: 102, 196, 49;
            
            --brand-dark: #215C00;       
            --brand-dark-rgb: 33, 92, 0;
            
            --white: #ffffff;

             --bg-gradient: linear-gradient(160deg, var(--brand-dark) 0%, rgba(var(--brand-dark-rgb), 0.6) 100%);
            --bg-gradient-dark: linear-gradient(160deg, var(--brand-dark) 0%, rgba(var(--brand-dark-rgb), 0.6) 100%);
        }

        /* Travellink Theme */
        body[data-brand="travellink"] {
            --brand-blue: #006d85;       
            --brand-blue-rgb: 0, 109, 133;
            
            --brand-light: #dff9ff;      
            
            --brand-yellow: #63cce3;     
            --brand-yellow-rgb: 99, 204, 227;
            
            --brand-dark: #00303a;       
            --brand-dark-rgb: 0, 48, 58;
            
            --white: #ffffff;

             --bg-gradient: linear-gradient(90.51deg, var(--brand-dark) 10.54%, var(--brand-blue) 70.12%);
            --bg-gradient-dark: linear-gradient(90.51deg, var(--brand-dark) 10.54%, var(--brand-blue) 70.12%);;
        }


        * { margin: 0; padding: 0; box-sizing: border-box; }
        html { scroll-behavior: smooth; }

        body {
            font-family: 'Rubik', sans-serif;
            background-color: var(--bg-page);
            color: var(--text-dark);
            -webkit-font-smoothing: antialiased;
        }

        /* --- HERO SECTION --- */

        .hero {
            background: var(--bg-gradient);
            color: var(--white);
            text-align: center;
            padding: 12rem 1.5rem 8rem 1.5rem !important;
        }


        .hero h1 { 
            font-size: 3.5rem; 
            margin-bottom: 1rem; 
            font-weight: 700; 
            color: var(--brand-yellow);
        }
        .hero p { 
            font-size: 1.25rem; 
            opacity: 0.9; 
            margin-bottom: 2.5rem; 
            color: var(--brand-yellow);
        }



        /* --- SEARCH BAR --- */
        .search-container {
            max-width: 700px;
            margin: 0 auto;
            position: relative;
            display: flex;
            align-items: center;
        }

        .search-input {
            width: 100%;
            padding: 1.4rem 130px 1.4rem 3.5rem; /* Added right padding so text doesn't hide behind the button */
            font-size: 1.1rem;
            border: none;
            border-radius: 50px;
            box-shadow: 0 15px 35px rgba(0,0,0,0.15);
            font-family: inherit;
            color: var(--brand-dark);
        }
        .search-input:focus { outline: none; box-shadow: 0 15px 40px rgba(14, 93, 173, 0.4); }

        .search-icon {
            position: absolute;
            left: 1.4rem; top: 50%; transform: translateY(-50%);
            color: var(--brand-blue);
            font-size: 1.2rem;
            pointer-events: none;
        }

        .search-button {
            position: absolute;
            right: 8px;
            top: 50%;
            transform: translateY(-50%);
            background: var(--brand-blue);
            color: var(--white);
            border: none;
            padding: 0.9rem 1.8rem;
            border-radius: 40px;
            font-size: 1rem;
            font-weight: 600;
            font-family: inherit;
            cursor: pointer;
            transition: var(--transition);
        }

        .search-button:hover {
            background: var(--brand-dark);
            box-shadow: 0 4px 10px rgba(7, 59, 112, 0.3);
        }

        /* --- CATEGORY GRID (INITIAL VIEW) --- */
        .grid-container {
            max-width: 1200px;
            margin: -5rem auto 3rem auto;
            padding: 0 1.5rem;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
            position: relative;
            z-index: 10;
        }

        .cat-card {
            background: var(--white);
            padding: 2.5rem 1.5rem;
            border-radius: 16px;
            text-align: center;
            cursor: pointer;
            box-shadow: var(--card-shadow);
            transition: var(--transition);
            border-bottom: 4px solid transparent;
        }

        .cat-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--card-shadow-hover);
        }

        .cat-icon-wrapper {
            width: 120px; height: 120px;
            background: var(--brand-light);
            border-radius: 50%;
            display: flex; align-items: center; justify-content: center;
            margin: 0 auto 1.5rem auto;
            color: var(--brand-blue);
            font-size: 3.5rem;
            transition: var(--transition);
        }

        .cat-card:hover .cat-icon-wrapper {
            background: var(--brand-blue);
            color: var(--brand-yellow);
        }

        .cat-card h3 { font-size: 1.5rem; color: var(--brand-dark); font-weight: 600; line-height: 1.4; }

        /* --- STICKY NAV (HIDDEN INITIALLY) --- */
        .sticky-nav {
            position: fixed;
            top: 0; left: 0; width: 100%;
            background: var(--white);
            box-shadow: 0 4px 15px rgba(0,0,0,0.08);
            z-index: 1000;
            padding: 1rem 0;
            transform: translateY(-100%);
            transition: transform 0.3s ease;
            display: flex;
            justify-content: center;
        }

        .sticky-nav.visible { transform: translateY(0); }

        .nav-menu {
            display: flex; gap: 1rem; list-style: none;
            overflow-x: auto; /* For mobile horizontal scroll */
            padding: 0 1rem;
            max-width: 100%;
        }

        .nav-btn {
            padding: 0.8rem 1.5rem;
            border-radius: 30px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-grey);
            background: #f0f2f5;
            cursor: pointer;
            white-space: nowrap;
            transition: var(--transition);
            display: flex; align-items: center; gap: 8px;
        }

        .nav-btn:hover { background: var(--brand-light); color: var(--brand-blue); }
        
        .nav-btn.active {
            background: var(--brand-blue);            
            color: var(--white);
            box-shadow: 0 4px 10px rgba(7, 59, 112, 0.3);
        }

        /* --- MAIN CONTENT LAYOUT --- */
        .content-area {
            max-width: 900px;
            margin: 0 auto 6rem auto;
            padding: 0 1.5rem;
        }

        .group-section {
            scroll-margin-top: 100px; /* Offset for sticky header */
            margin-bottom: 5rem;
        }

        .section-header {
            display: flex; align-items: center; gap: 1rem;
            margin-bottom: 2rem;
            padding-bottom: 1rem;
            border-bottom: 2px solid #e2e8f0;
        }

        .icon-container {
            background: var(--brand-blue);
            border-radius: 50%;
            padding: 10px;
            width: 50px;
            height: 50px;
            display: flex;
            justify-content: center;
            align-items: center;
        }

        .section-header i {
            color: var(--brand-yellow); 
            font-size: 1.5rem; 
            
        }
        .section-header h2 { color: var(--brand-dark); font-size: 1.8rem; }

        /* --- ACCORDION DESIGN --- */
        .faq-item {
            background: var(--white);
            border-radius: 12px;
            margin-bottom: 1.2rem;
            box-shadow: 0 2px 5px rgba(0,0,0,0.03);
            border: 1px solid rgba(0,0,0,0.05);
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-item:hover {
            box-shadow: 0 10px 20px rgba(0,0,0,0.06);
            border-color: var(--brand-light);
            transform: translateY(-2px);
        }

        .faq-question {
            padding: 1.5rem 1.8rem;
            cursor: pointer;
            display: flex; justify-content: space-between; align-items: center;
            font-size: 1.15rem; /* Bigger font as requested */
            font-weight: 500;
            color: var(--brand-dark);
            background: var(--white);
        }

        .icon-toggle {
            width: 32px; height: 32px;
            background: #f7f9fc;
            border-radius: 50%;
            display: flex; align-items: center; justify-content: center;
            color: var(--brand-blue);
            transition: transform 0.3s ease;
            font-size: 0.9rem;
        }

        .faq-item.open .icon-toggle {
            background: var(--brand-yellow);
            color: var(--brand-dark);
            transform: rotate(180deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s cubic-bezier(0, 1, 0, 1);
            background-color: #fafbfc;
        }

        .faq-answer-inner {
            padding: 0 1.8rem 1.8rem 1.8rem;
            color: var(--text-grey);
            line-height: 1.7;
            font-size: 1.05rem;
        }

        .faq-answer-inner p {
            margin-bottom: 1rem;
        }
        
        .faq-answer-inner p:last-child {
            margin-bottom: 0;
        }

        .faq-answer-inner a {
            color: var(--brand-blue);
            text-decoration: underline;
            font-weight: 500;
        }

        .faq-answer-inner a:hover {
            color: var(--brand-dark);
        }

        /* --- RESPONSIVE MOBILE --- */
        @media (max-width: 1024px) {
            .grid-container { grid-template-columns: repeat(2, 1fr); }
        }

        @media (max-width: 768px) {
            .hero { padding: 10rem 1.5rem 6rem 1.5rem; } 
            .hero h1 { font-size: 2rem; }
            
            .search-input { padding-right: 100px; }
            .search-button { padding: 0.7rem 1.2rem; font-size: 0.95rem; }

            .grid-container {
                grid-template-columns: 1fr;
                margin-top: -3rem;
                gap: 1rem;
            }

            .cat-card {
                display: flex; align-items: center; text-align: left;
                padding: 1.5rem;
            }

            .cat-icon-wrapper { margin: 0 1rem 0 0; width: 50px; height: 50px; font-size: 1.2rem; }
            
            /* Make sticky nav scrollable horizontally on mobile */
            .nav-menu {
                justify-content: flex-start;
                padding-bottom: 5px; /* Space for scrollbar if visible */
            }
            
            .sticky-nav { padding: 0.8rem 0; }
            
            .faq-question { padding: 1.2rem; font-size: 1rem; }
            .faq-answer-inner { padding: 0 1.2rem 1.2rem 1.2rem; }
        }

        .hidden { display: none !important; }