:root {
            --brand-navy: #002D54;
            --brand-royal: #1563A1;
            --brand-red: #DC3545;
            --brand-gold: #C99A3B;
            --brand-sky: #E3F2FF;
            --brand-border: #CEDFEC;
            --brand-sky-border: #A9D4F5;
            --box-bg: #F0F8FF;
            --text-dark: #2D3748;
            --text-deep-muted: #4A5C73;
            --white: #ffffff;
        }

        body { font-family: 'Poppins', sans-serif; color: var(--text-dark); background-color: #fcfdfe; font-size: 1rem; }
        h1, h2, h3, h4, h5, h6 { color: var(--brand-navy); font-weight: 700; }
        section h2 { color: var(--brand-red); }
        img { max-width: 100%; height: auto; display: block; }
        p { line-height: 1.65; }

        /* NAVBAR */
        .ipr-navbar {
            transition: background-color 0.35s ease, box-shadow 0.35s ease;
            background-color: transparent;
            box-shadow: none;
            padding-top: 10px;
            padding-bottom: 10px;
        }
        .ipr-navbar .nav-link {
            color: rgba(255,255,255,0.85);
            font-weight: 500;
            font-size: 0.9rem;
            transition: color 0.25s;
        }
        .ipr-navbar .nav-link:hover,
        .ipr-navbar .nav-link.active { color: #fff; }
        .ipr-navbar .navbar-brand { color: #fff; letter-spacing: 0.5px; padding: 0; }
        .ipr-navbar .navbar-brand img { display: block; height: 52px; width: auto; }
        .navbar-scrolled {
            background-color: var(--brand-royal);
            box-shadow: 0 4px 12px rgba(0,0,0,0.2);
        }
        .text-deep-muted { color: var(--text-deep-muted) !important; }

        /* HERO SECTION */
        .hero-section {
            position: relative;
            width: 100%;
            color: var(--white);
            overflow: hidden;
            display: flex;
            align-items: center;
            padding-top: clamp(140px, 10vw, 200px); 
            padding-bottom: clamp(80px, 6vw, 140px);
        }

        .hero-section-bg {
            position: absolute;
            inset: 0;
            z-index: 0;
            background: #111 url('../assets/vietnam-hero-background.webp') center top / 100% 100% no-repeat;
        }

        @media (max-width: 991.98px) {
            .hero-section {
                min-height: 100vh;
                padding-top: 120; 
                padding-bottom: 60px;
                display: block; 
            }
            .hero-section-bg {
                background-size: cover; 
            }
        }

        .hero-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(100deg, rgba(0,20,40,0.58) 0%, rgba(0,45,84,0.38) 42%, rgba(0,45,84,0.12) 68%, rgba(0,45,84,0.02) 100%);
            z-index: 1 !important;
        }
        .hero-section .container { position: relative; z-index: 2; }
        .hero-section h1 { color: var(--white); text-shadow: 0 2px 10px rgba(0,0,0,0.45); }
        .hero-section .lead { text-shadow: 0 1px 6px rgba(0,0,0,0.4); }
        .hero-eyebrow { letter-spacing: 2px; color: #FFD98E; font-size: 0.9rem; }
        .hero-stats {
            background: rgba(220,53,69,0.35);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border-radius: 1rem;
            border: 1px solid rgba(255,255,255,0.25);
        }
        .hero-stats h3 { color: var(--white); margin-bottom: 0; }
        .hero-stats small { color: rgba(255,255,255,0.9); font-size: 0.85rem; }
        .recognition-row { border-top: 1px solid rgba(255,255,255,0.25); }
        .recognition-label { color: rgba(255,255,255,0.85); letter-spacing: 1.5px; font-weight: 600; font-size: 0.85rem; }

        /* RECOGNITION STRIP */
        .recognition-strip {
            background: linear-gradient(100deg, rgba(220,53,69,0.3) 0%, rgba(201,154,59,0.25) 50%, rgba(220,53,69,0.1) 100%);
        }

        /* RECOGNITION LOGOS */
        .recognition-logos {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.75rem;
            align-items: center;
            justify-items: center;
        }
        @media (min-width: 768px) {
            .recognition-logos { grid-template-columns: repeat(6, 1fr); }
        }
        .recognition-logos .logo-box {
            display: inline-flex; align-items: center; justify-content: center;
            background: var(--white); border-radius: 0.6rem; padding: 8px;
            box-shadow: 0 4px 10px rgba(0,0,0,0.15);
        }
        .recognition-logos .logo-box img { width: 120px; height: auto; }

        /* ICON FEATURE BOXES */
        .feature-strip-section {
            background: linear-gradient(135deg, var(--brand-sky) 0%, #ffffff 65%);
        }
        .feature-glass-card {
            background: linear-gradient(135deg, var(--brand-royal) 0%, #0e4d7a 100%);
            border: 2px solid rgba(255,255,255,0.15);
            border-radius: 1.2rem;
            padding: 32px 18px;
            height: 100%;
            text-align: center;
            box-shadow: 0 8px 24px rgba(0,45,84,0.15);
            transition: 0.3s;
        }
        .feature-glass-card:hover {
            transform: translateY(-6px);
            box-shadow: 0 18px 34px rgba(21,99,161,0.30);
            border-color: rgba(255,255,255,0.35);
        }
        .feature-glass-card .feature-icon {
            font-size: 2rem; color: #fff; margin-bottom: 12px;
        }
        .feature-glass-card strong { display: block; font-size: 1.05rem; color: #fff; margin-bottom: 4px; }
        .feature-glass-card .feature-sub { color: rgba(255,255,255,0.8); font-size: 0.9rem; }

        /* PLAN HIGHLIGHT BOXES */
        .highlight-card {
            background: var(--box-bg);
            border: 1px solid var(--brand-sky-border);
            border-radius: 1.2rem;
            padding: 28px 20px;
            height: 100%;
            transition: 0.3s;
            text-align: center;
            box-shadow: 0 8px 20px rgba(0,45,84,0.06);
        }
        .highlight-card:hover { transform: translateY(-6px); box-shadow: 0 16px 30px rgba(21,99,161,0.15); border-color: var(--brand-royal); }
        .icon-wrap {
            width: 56px; height: 56px; border-radius: 50%;
            background: var(--white); color: var(--brand-royal);
            display: flex; align-items: center; justify-content: center;
            margin: 0 auto 14px; font-size: 1.4rem;
            box-shadow: 0 2px 6px rgba(0,45,84,0.12);
        }
        .highlight-card p.small { color: var(--text-deep-muted); font-size: 0.85rem; }

        /* ITINERARY */
        .itinerary-card {
            background: var(--box-bg);
            border: 1px solid var(--brand-sky-border);
            border-radius: 1rem;
            overflow: hidden;
            height: 100%;
            box-shadow: 0 8px 20px rgba(0,45,84,0.06);
            transition: 0.3s;
        }
        .itinerary-card:hover { transform: translateY(-4px); box-shadow: 0 14px 26px rgba(21,99,161,0.14); }
        .mini-swiper { width: 100%; }
        .mini-swiper .swiper-pagination { position: static; margin-top: 8px; }
        .mini-swiper .swiper-pagination-bullet { background: var(--brand-royal); opacity: 0.4; }
        .mini-swiper .swiper-pagination-bullet-active { opacity: 1; }
        .itinerary-day-label { color: var(--brand-royal); font-weight: 700; font-size: 0.8rem; letter-spacing: 1px; text-transform: uppercase; }

        /* MAIN ITINERARY SWIPER */
        .itinerary-swiper { overflow: hidden; padding-bottom: 40px; }
        .itinerary-swiper .swiper-slide { height: auto; -webkit-user-select: text; user-select: text; }
        .itinerary-swiper .itinerary-card { height: 100%; }
        .itinerary-pagination { position: relative; bottom: 0; margin-top: 16px; text-align: center; }
        .itinerary-pagination .swiper-pagination-bullet { background: var(--brand-royal); opacity: 0.4; }
        .itinerary-pagination .swiper-pagination-bullet-active { opacity: 1; }
        .itinerary-prev,
        .itinerary-next { display: none; }
        @media (max-width: 991px) {
            .ipr-navbar:has(.navbar-collapse.show) { background-color: var(--brand-royal); box-shadow: 0 4px 12px rgba(0,0,0,0.2); }
            .ipr-navbar .navbar-collapse.show { background-color: var(--brand-royal); }
            .itinerary-prev,
            .itinerary-next {
                display: flex;
                width: 36px; height: 36px;
                background: rgba(255,255,255,0.15);
                border-radius: 50%;
                box-shadow: 0 2px 8px rgba(0,0,0,0.15);
                margin-top: -18px;
            }
            .itinerary-prev::after,
            .itinerary-next::after {
                font-size: .8rem;
                font-weight: 700;
                color: var(--brand-royal);
            }
            .itinerary-prev { left: 6px; }
            .itinerary-next { right: 6px; }
            .itinerary-pagination { display: none; }
        }

        /* PACKAGE CARDS */
        .package-card {
            border: 2px solid var(--brand-sky-border);
            border-radius: 1rem;
            background: var(--box-bg);
            overflow: hidden;
            height: 100%;
            display: flex;
            flex-direction: column;
            transition: 0.3s;
        }
        .package-card:hover { transform: translateY(-5px); box-shadow: 0 10px 20px rgba(21,99,161,0.1); }
        .package-img-wrap { position: relative; }
        .package-img-wrap img { width: 100%; }
        .pkg-badge-top {
            position: absolute; top: 10px; right: 10px;
            background: rgba(255,255,255,0.95); color: var(--brand-navy);
            padding: 4px 10px; border-radius: 20px; font-size: 0.82rem; font-weight: 700;
            box-shadow: 0 2px 6px rgba(0,0,0,0.15);
        }
        .pkg-badge-bottom {
            position: absolute; bottom: 10px; left: 10px;
            background: var(--brand-red); color: #fff;
            padding: 5px 14px; border-radius: 20px; font-size: 0.8rem; font-weight: 600;
            box-shadow: 0 2px 6px rgba(0,0,0,0.2);
        }
        .package-body { padding: 1rem 1.1rem 1.1rem; display: flex; flex-direction: column; flex-grow: 1; }
        .package-body .pkg-route { color: var(--brand-royal); font-weight: 600; font-size: 0.92rem; }
        .package-body .pkg-desc { color: var(--text-deep-muted); font-size: 0.92rem; margin-bottom: 0.25rem; }
        .package-body .pkg-highlights-label { margin-top: 0.5rem; }
        .package-body .pkg-bottom { margin-top: auto; padding-top: 0.75rem; }
        .package-body .pkg-actions { border-top: 1px solid var(--brand-sky-border); padding-top: 0.75rem; }
        .package-body .pkg-seats { text-align: center; }
        .seats-pill { display: inline-block; background: #DC3545; color: #fff; padding: 4px 14px; border-radius: 20px; font-size: 0.82rem; font-weight: 600; }
        .package-special {
            border: 2px solid var(--brand-sky-border);
            box-shadow: 0 14px 30px rgba(21,99,161,0.15);
            background: var(--box-bg);
        }
        .package-special:hover { transform: translateY(-5px); border-color: var(--brand-sky-border); box-shadow: 0 18px 34px rgba(21,99,161,0.3); }
        .package-special .pkg-view-more { color: #C99A3B; }

        .pkg-label { font-size: 0.78rem; letter-spacing: 1px; text-transform: uppercase; color: var(--brand-royal); font-weight: 700; margin-bottom: 4px; }
        .pkg-offer-pill {
            display: inline-block; background: var(--brand-gold); color: #fff;
            padding: 4px 12px; border-radius: 20px; font-size: 0.8rem; font-weight: 700;
            margin-bottom: 8px;
        }
        .pkg-view-more {
            color: var(--brand-royal); font-size: 0.88rem; font-weight: 600;
            text-decoration: none; display: inline-flex; align-items: center; gap: 4px;
            padding: 0; margin-bottom: 4px; background: none; border: none;
        }
        .pkg-view-more .bi { transition: transform 0.25s; }
        .pkg-view-more[aria-expanded="true"] .bi { transform: rotate(180deg); }

        .pill-badge { background-color: var(--white); color: var(--brand-royal); padding: 4px 10px; border-radius: 5px; font-size: 0.74rem; display: inline-block; margin: 2px 4px 2px 0; font-weight: 600; border: 1px solid var(--brand-sky-border); }

        /* BUTTONS */
        .btn-brand { background-color: var(--brand-red); color: var(--white); border-radius: 5px; font-weight: 600; transition: 0.3s; border: none; }
        .btn-brand:hover { background-color: var(--brand-navy); color: var(--white); }
        .btn-whatsapp { background-color: #128C7E; color: #fff; border-radius: 5px; font-weight: 600; }
.btn-whatsapp:hover { background-color: #0e6e63; color: #fff; }
.btn-call-mobile { background-color: var(--brand-royal) !important; color: #fff !important; }
.btn-call-mobile:hover { background-color: #0e4d7a !important; }
.btn-outline-brand { border: 2px solid var(--brand-royal); color: var(--brand-royal); background: transparent; border-radius: 5px; font-weight: 600; transition: 0.3s; }
        .btn-outline-brand:hover { background: var(--brand-royal); color: #fff; }
        .btn-with-subtext { display: inline-flex; flex-direction: row; flex-wrap: wrap; align-items: center; justify-content: center; column-gap: 4px; line-height: 1.3; }
        .btn-with-subtext .btn-subtext { font-size: 0.72rem; font-weight: 500; opacity: 0.85; }

        /* TESTIMONIALS SWIPER */
        .testimonial-swiper { overflow: hidden; padding-top: 16px; padding-bottom: 40px; }
        .testimonial-swiper .swiper-slide { height: auto; }
        .testimonial-pagination { position: relative; bottom: 0; margin-top: 16px; text-align: center; }
        .testimonial-pagination .swiper-pagination-bullet { background: var(--brand-royal); opacity: 0.4; }
        .testimonial-pagination .swiper-pagination-bullet-active { opacity: 1; }
        /* Testimonial carousel */
        .testimonial-prev,
        .testimonial-next {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 36px; height: 36px;
            background-color: rgba(255, 255, 255, 0.85);
            border-radius: 50%;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.18);
            color: var(--brand-royal);
            transition: opacity .2s;
        }
        .testimonial-prev { left: 6px; }
        .testimonial-next { right: 6px; }
        .testimonial-prev::after,
        .testimonial-next::after {
            font-size: 1rem;
            font-weight: 700;
            color: var(--brand-royal);
        }
        /* Desktop: all 4 cards */
        @media (min-width: 992px) {
            .testimonial-prev,
            .testimonial-next {
                display: none !important;
            }
        }

        /* TESTIMONIALS */
        .testimonial-card { background: var(--box-bg); border: 1px solid var(--brand-sky-border); border-radius: 1rem; overflow: hidden; height: 100%; box-shadow: 0 8px 20px rgba(0,45,84,0.05); display: flex; flex-direction: column; transition: 0.3s; }
        .testimonial-card:hover { transform: translateY(-4px); box-shadow: 0 14px 26px rgba(21,99,161,0.14); }
        .testimonial-card img { width: 100%; }
        .testimonial-card .card-body { padding: 22px; display: flex; flex-direction: column; flex-grow: 1; }
        .testimonial-card i.bi-quote { color: var(--brand-sky); font-size: 1.8rem; }
        .testimonial-card p.quote-text { color: var(--text-deep-muted); font-size: 0.92rem; }
        .testimonial-card small { font-size: 0.85rem; }

        /* ROUTE MAPS */
        .route-card { background: var(--box-bg); border: 1px solid var(--brand-sky-border); border-radius: 1rem; overflow: hidden; height: 100%; box-shadow: 0 8px 20px rgba(0,45,84,0.06); transition: 0.3s; }
        .route-card:hover { transform: translateY(-4px); box-shadow: 0 14px 26px rgba(21,99,161,0.14); }
        .route-card p { color: var(--text-deep-muted); font-size: 0.9rem; }

        /* COMPARISON TABLE */
        .comparison-table { table-layout: fixed; }
        .comparison-table th, .comparison-table td { font-size: 0.95rem; overflow-wrap: break-word; }
        .comparison-table td.text-muted { color: var(--text-deep-muted) !important; }

        /* SECTION SPACING */
        /* PLAN SECTION */
        #plan {
            position: relative;
            overflow: hidden;
        }
        #plan::before {
            content: "";
            position: absolute;
            top: -30%;
            left: -30%;
            width: 160%;
            height: 160%;
            background: radial-gradient(ellipse at center, rgba(255,255,240,0.3) 0%, rgba(255,215,0,0.08) 40%, transparent 70%);
            pointer-events: none;
        }
        #plan .container { position: relative; z-index: 1; }
        #plan h2 { color: #2D1B00 !important; }
        #plan .text-deep-muted { color: #4A2C00 !important; }
        #plan .itinerary-card h3 { color: var(--brand-navy); }
        #plan .itinerary-card .text-deep-muted { color: var(--text-deep-muted) !important; }

        section h2 { font-size: clamp(1.6rem, 2.5vw, 2.1rem); }
        section > .container > .text-center p,
        section .text-center p.lead-sub { color: var(--text-deep-muted); }

        /* SITE FOOTER */
        .mobile-sticky-footer { position: fixed; bottom: 0; left: 0; right: 0; z-index: 1050; background: var(--white); display: flex; padding: 10px; gap: 8px; box-shadow: 0 -5px 15px rgba(0,0,0,0.1); }
        @media (min-width: 992px) { .btn-call-mobile { display: none !important; } .fab-call { display: none !important; } }

        /* SITE FOOTER */
        .site-footer { background: var(--brand-royal); color: rgba(255,255,255,0.9); }
        .site-footer h6 { color: #fff; font-weight: 700; letter-spacing: 0.5px; margin-bottom: 1.1rem; font-size: 0.95rem; text-transform: uppercase; }
        .site-footer ul { list-style: none; padding: 0; margin: 0; }
        .site-footer ul li { margin-bottom: 0.65rem; }
        .site-footer a { color: rgba(255,255,255,0.78); text-decoration: none; }
        .site-footer a:hover { color: var(--brand-gold); }
        .site-footer .footer-contact p { font-size: 0.9rem; margin-bottom: 0.6rem; color: rgba(255,255,255,0.85); }
        .site-footer .footer-contact i { color: var(--brand-gold); width: 18px; }
        .footer-social a { }
        .footer-social a:hover { background: #fff; }
        .footer-social a:hover i { transform: scale(1.25); }
        .footer-social a i { transition: transform 0.3s; }
        .footer-tagline { font-size: 0.9rem; color: rgba(255,255,255,0.75); max-width: 420px; }
        .footer-bottom { border-top: 1px solid rgba(255,255,255,0.15); font-size: 0.85rem; color: rgba(255,255,255,0.65); }

        .hero-proof {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: rgba(255,255,255,.1);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255,255,255,.2);
            border-radius: 30px;
            padding: 8px 18px;
            margin-bottom: 22px;
        }
        .hero-proof .hero-stars {
            display: inline-flex;
            align-items: center;
            gap: 2px;
            color: #FFC107;
        }
        .hero-proof .hero-stars i { font-size: 0.85rem; line-height: 1; }

        .route-card.theme-culture {
            background: linear-gradient(160deg, #FDE8D7 0%, #FAD7EF 100%);
            border-color: rgba(201,154,59,0.35);
        }
        .route-card.theme-nature {
            background: linear-gradient(160deg, #E2F4EA 0%, #D6ECF7 100%);
            border-color: rgba(21,99,161,0.25);
        }
        .route-card.theme-island {
            background: linear-gradient(160deg, #E3F2FD 0%, #F3E8FD 100%);
            border-color: rgba(21,99,161,0.25);
        }
        .route-card.theme-culture h3,
        .route-card.theme-nature h3,
        .route-card.theme-island h3 { color: #1B2A3A; }

        /* SWIPE HINT (mobile only) */
        .swipe-hint { display: none; }
        @media (max-width: 767px) {
            .swipe-hint {
                display: flex;
                align-items: center;
                justify-content: center;
                gap: 6px;
                font-size: .71rem;
                color: var(--text-deep-muted);
                padding: 4px 0 8px;
                letter-spacing: .3px;
            }
            .swipe-hint i { font-size: .75rem; opacity: .5; }
        }

        /* FEATURE GRID — swipeable on mobile */
        @media (max-width: 767px) {
            .feat-grid {
                display: flex;
                flex-direction: row;
                flex-wrap: nowrap;
                overflow-x: auto;
                overflow-y: visible;
                scroll-snap-type: x mandatory;
                -webkit-overflow-scrolling: touch;
                scrollbar-width: none;
                gap: 16px;
                margin: 0 -20px;
                padding: 8px 20px 20px;
            }
            .feat-grid::-webkit-scrollbar { display: none; }
            .feat-grid > .col {
                flex: 0 0 72%;
                scroll-snap-align: start;
                min-width: 0;
                padding: 0;
            }
        }

        /* FLOATING ACTION BUTTONS */
        .floating-actions {
            position: fixed; right: 20px; bottom: 30px; z-index: 1040;
            display: flex; flex-direction: column; gap: 12px;
        }
        .floating-actions .fab {
            width: 52px; height: 52px; border-radius: 50%;
            display: flex; align-items: center; justify-content: center;
            text-decoration: none; position: relative;
            box-shadow: 0 4px 14px rgba(0,0,0,0.18);
            transition: transform 0.25s, box-shadow 0.25s;
        }
        .floating-actions .fab i { font-size: 1.35rem; color: #fff; }
        .floating-actions .fab:hover { transform: scale(1.1); box-shadow: 0 6px 20px rgba(0,0,0,0.25); }
        .floating-actions .fab .fab-label {
            position: absolute; right: 60px; background: rgba(0,0,0,0.75);
            color: #fff; padding: 4px 12px; border-radius: 6x;
            font-size: 0.82rem; font-weight: 500; white-space: nowrap;
            opacity: 0; pointer-events: none; transition: opacity 0.25s;
        }
        .floating-actions .fab:hover .fab-label { opacity: 1; }
        .fab-whatsapp { background: #128C7E; }
        .fab-call { background: var(--brand-royal); }
        .fab-email { background: var(--brand-navy); }
        @media (max-width: 767px) {
            .hero-section::before { background: linear-gradient(180deg, rgba(0,20,40,0.35) 0%, rgba(0,20,40,0.55) 100%); }
        }
        .hero-section-bg {
            position: absolute;
            inset: 0;
            z-index: 0;
            background: #111 url('../assets/vietnam-hero-background.webp') center top / 100% 100% no-repeat;
        }