/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-blue: #00CED1;
    --dark-blue: #008B8B;
    --light-blue: #E0F7FA;
    --white: #FFFFFF;
    --text-dark: #333333;
    --text-light: #666666;
    --orange: #FF6B35;
    --gold: #FFA500;
    --border-color: #E0E0E0;
    --header-bg: #1E88E5;
    --footer-bg: #1565C0;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--white);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Skip Link */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--primary-blue);
    color: var(--white);
    padding: 8px;
    text-decoration: none;
    z-index: 100;
}

.skip-link:focus {
    top: 0;
}

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

/* Header */
.site-header {
    background-color: var(--header-bg);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header-logo img {
    height: 50px;
    width: auto;
}

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

.header-nav .nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    margin: 0;
    padding: 0;
}

.header-nav .nav-link {
    color: var(--white);
    text-decoration: none;
    font-weight: 500;
    transition: opacity 0.3s;
    padding: 0.5rem 0;
}

.header-nav .nav-link:hover,
.header-nav .nav-link.active {
    opacity: 0.8;
    text-decoration: underline;
}

.header-nav .nav-toggle {
    display: none;
    flex-direction: column;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    gap: 4px;
}

.header-nav .nav-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--white);
    transition: all 0.3s ease;
    border-radius: 2px;
}

/* Navigation */
.navbar {
    background-color: var(--primary-blue);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo a {
    color: var(--white);
    text-decoration: none;
    font-size: 1.2rem;
    font-weight: bold;
    border: 1px solid var(--white);
    padding: 0.5rem 1rem;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    color: var(--white);
    text-decoration: none;
    text-transform: uppercase;
    font-weight: 500;
    transition: opacity 0.3s;
}

.nav-link:hover,
.nav-link.active {
    opacity: 0.8;
    text-decoration: underline;
}

/* Hamburger Menu Toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    gap: 4px;
}

.nav-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--white);
    transition: all 0.3s ease;
    border-radius: 2px;
}

.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.nav-toggle.active span:nth-child(2) {
    opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* Page Header */
.page-header {
    background-color: transparent;
    padding: 0;
    text-align: left;
}

.entry-title {
    position: absolute;
    left: -9999px;
}

/* Hero Section with Slideshow */
.hero-slideshow {
    position: relative;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-slideshow-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    opacity: 0;
    transition: opacity 1s ease-in-out;
    animation: kenBurns 20s infinite;
}

.hero-slide.active {
    opacity: 1;
}

@keyframes kenBurns {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.1);
    }
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 2;
}

.hero-content {
    position: relative;
    z-index: 3;
    text-align: center;
    color: var(--white);
    padding: 2rem;
}

.hero-title-small {
    font-size: 1.2rem;
    color: var(--gold);
    margin-bottom: 1rem;
    text-transform: uppercase;
    font-weight: 400;
}

.hero-title-large {
    font-size: 3rem;
    color: var(--white);
    margin-bottom: 2rem;
    text-transform: uppercase;
    font-weight: 700;
    line-height: 1.2;
}

.btn-hero {
    display: inline-block;
    background-color: var(--gold);
    color: var(--white);
    padding: 1rem 2.5rem;
    text-decoration: none;
    border-radius: 4px;
    font-weight: bold;
    text-transform: uppercase;
    transition: background-color 0.3s, transform 0.3s;
}

.btn-hero:hover {
    background-color: #FF8C00;
    transform: translateY(-2px);
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--white);
    overflow: hidden;
}

.hero-background-text {
    position: absolute;
    font-size: 8rem;
    font-weight: bold;
    color: #F0F0F0;
    text-transform: uppercase;
    white-space: nowrap;
    z-index: 1;
    letter-spacing: 0.1em;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
}

.hero-title {
    font-size: 3rem;
    color: var(--dark-blue);
    font-weight: bold;
    margin-bottom: 1rem;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--text-light);
}

/* Video Section */
.video-section {
    padding: 4rem 0;
    background-color: var(--light-blue);
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    color: var(--dark-blue);
    margin-bottom: 2rem;
}

.video-wrapper {
    position: relative;
    padding-bottom: 56.25%;
    height: 0;
    overflow: hidden;
    max-width: 900px;
    margin: 0 auto;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.video-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

/* Features Section */
.features-section {
    padding: 4rem 0;
    background-color: var(--white);
}

.features-grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
}

.feature-box {
    padding: 2rem;
    text-align: center;
    background-color: var(--white);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
}

.feature-box:last-child {
    border-right: none;
}

.feature-box-dark {
    background-color: var(--dark-blue);
    color: var(--white);
    border-right: none;
    border-radius: 8px;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    box-sizing: border-box;
}

.feature-icon {
    font-size: 3rem;
    color: var(--gold);
    margin-bottom: 1rem;
    display: inline-block;
    line-height: 1;
}

.feature-icon .icon {
    display: inline-block;
    line-height: 1;
}

/* ElementsKit Icon Font */
@font-face {
    font-family: 'elementskit';
    src: url('../fonts/elementskit.woff') format('woff');
    font-weight: normal;
    font-style: normal;
    font-display: swap;
}

.icon {
    font-family: 'elementskit' !important;
    font-style: normal;
    font-weight: normal;
    font-variant: normal;
    text-transform: none;
    line-height: 1;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    display: inline-block;
}

.elementkit-infobox-icon {
    display: block;
    line-height: 60px;
    font-size: 60px;
    font-family: 'elementskit' !important;
    font-style: normal;
    font-weight: normal;
    font-variant: normal;
    text-transform: none;
    color: var(--gold);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.elementkit-infobox-icon::before {
    font-family: 'elementskit' !important;
    display: inline;
    line-height: 1;
    font-style: normal;
    font-weight: normal;
}

.icon::before {
    font-family: 'elementskit' !important;
    display: inline-block;
    line-height: 1;
}

.elementkit-infobox-icon.icon-team1::before {
    content: "\e747";
}

.elementkit-infobox-icon.icon-save-money::before {
    content: "\e7af";
}

.elementkit-infobox-icon.icon-customer-support-2::before {
    content: "\e7b6";
}

.feature-title {
    font-size: 1.5rem;
    color: var(--text-dark);
    margin-bottom: 1rem;
    font-weight: 600;
}

.feature-box-dark .feature-title-white {
    color: var(--white);
    font-size: 1.5rem;
    margin-bottom: 1rem;
    font-weight: 600;
    text-align: center;
}

.feature-text {
    color: var(--text-light);
    line-height: 1.8;
    font-size: 0.95rem;
}

.feature-text-white {
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.8;
    font-size: 0.95rem;
    text-align: center;
    margin-bottom: 1rem;
}

.feature-image-box {
    width: 100%;
    overflow: hidden;
    flex-shrink: 0;
    border-radius: 8px 8px 0 0;
}

.feature-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    display: block;
}

.feature-content-box {
    padding: 1.5rem;
    text-align: center;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.call-text {
    color: var(--white);
    margin: 1rem 0 0.5rem 0;
    font-size: 0.9rem;
    text-align: center;
    font-weight: bold;
    text-transform: uppercase;
}

.btn-call {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    background-color: var(--gold);
    color: var(--white);
    padding: 0.75rem 1.5rem;
    text-decoration: none;
    border-radius: 25px;
    font-weight: bold;
    transition: background-color 0.3s;
    width: fit-content;
    margin: 0.5rem auto 0;
    text-align: center;
}

.btn-call .phone-icon {
    font-size: 1.2rem;
}

.btn-call:hover {
    background-color: #FF8C00;
}

/* Features Section */
.features {
    padding: 4rem 0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card {
    background-color: var(--white);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.feature-image-placeholder {
    width: 100%;
    height: 200px;
    background-color: #CCCCCC;
}

.feature-title {
    color: var(--orange);
    font-size: 1.5rem;
    margin: 1rem;
}

.feature-text {
    margin: 0 1rem 1rem;
    color: var(--text-light);
    line-height: 1.8;
}

/* Tours Section */
.tours-section {
    padding: 4rem 0;
    background-color: var(--white);
}

.tours-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 0;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--border-color);
    gap: 2rem;
}

.tours-header-left {
    flex: 1;
}

.section-subtitle {
    font-size: 1rem;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 0.5rem;
    font-weight: 400;
}

.section-title-main {
    font-size: 2.5rem;
    color: var(--text-dark);
    margin-bottom: 1rem;
    font-weight: 700;
    line-height: 1.2;
}

.section-description {
    color: var(--text-light);
    line-height: 1.8;
    max-width: 600px;
    margin: 0;
}

.tours-header-right {
    display: flex;
    align-items: flex-end;
    flex-shrink: 0;
}

.btn-discover {
    display: inline-block;
    background-color: var(--gold);
    color: var(--white);
    padding: 0.75rem 1.5rem;
    text-decoration: none;
    border-radius: 4px;
    font-weight: bold;
    text-transform: uppercase;
    transition: background-color 0.3s;
    white-space: nowrap;
}

.btn-discover:hover {
    background-color: #FF8C00;
}

.tours-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 2rem;
}

.tour-card {
    background-color: var(--white);
    border: 1px solid var(--border-color);
    border-radius: 0;
    overflow: hidden;
    transition: transform 0.3s, box-shadow 0.3s;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    /* Force vertical layout: image trên, text dưới */
    display: flex !important;
    flex-direction: column !important;
    width: 100%;
}

.tour-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.tour-image-link {
    display: block !important;
    overflow: hidden;
    width: 100% !important;
    order: 1;
    flex-shrink: 0;
}

.tour-image {
    width: 100% !important;
    height: 300px;
    object-fit: cover;
    transition: transform 0.3s;
    display: block !important;
}

.tour-card:hover .tour-image {
    transform: scale(1.05);
}

.tour-content {
    padding: 1.5rem;
    display: flex !important;
    flex-direction: column !important;
    flex-grow: 1;
    order: 2;
    width: 100%;
    box-sizing: border-box;
}

.tour-title {
    font-size: 1.1rem;
    margin-bottom: 1rem;
    line-height: 1.4;
    font-weight: 600;
}

.tour-title a {
    color: var(--text-dark);
    text-decoration: underline;
    transition: color 0.3s;
}

.tour-title a:hover {
    color: var(--primary-blue);
}

.tour-title-dash {
    font-size: 1.5rem;
    color: var(--text-light);
    margin: 0.5rem 0;
    font-weight: normal;
}

.tour-description {
    color: var(--text-light);
    line-height: 1.6;
    margin-bottom: 1rem;
    font-size: 0.95rem;
}

.tour-rating {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
    margin-top: auto;
}

.stars-empty {
    color: #ddd;
    font-size: 1rem;
    letter-spacing: 2px;
}

.stars-full {
    color: var(--gold);
    font-size: 1rem;
    letter-spacing: 2px;
}

.rating-text {
    color: var(--text-light);
    font-size: 0.9rem;
    margin-left: 0.25rem;
}

.btn-tour {
    display: inline-block;
    background-color: var(--gold);
    color: var(--white);
    padding: 0.6rem 1.5rem;
    text-decoration: none;
    border-radius: 4px;
    font-weight: bold;
    text-transform: uppercase;
    font-size: 0.85rem;
    transition: background-color 0.3s;
    text-align: center;
    width: fit-content;
    margin-top: auto;
}

.btn-tour:hover {
    background-color: #FF8C00;
}

/* Tours Preview */
.tours-preview {
    padding: 4rem 0;
    background-color: var(--white);
}

.tour-item {
    padding: 1.5rem;
    background-color: var(--light-blue);
    border-radius: 8px;
    border-left: 4px solid var(--primary-blue);
}

.tour-item h3 {
    color: var(--dark-blue);
    margin-bottom: 0.5rem;
}

.tour-item p {
    color: var(--text-light);
}

.btn-primary {
    display: inline-block;
    background-color: var(--primary-blue);
    color: var(--white);
    padding: 1rem 2rem;
    text-decoration: none;
    border-radius: 4px;
    font-weight: bold;
    transition: background-color 0.3s;
    text-align: center;
}

.btn-primary:hover {
    background-color: var(--dark-blue);
}

/* Page Header */
.page-header {
    background-color: var(--primary-blue);
    color: var(--white);
    padding: 3rem 0;
    text-align: center;
}

.page-header h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.page-subtitle {
    font-size: 1.2rem;
    opacity: 0.9;
}

/* About Content */
.about-content {
    padding: 4rem 0;
}

.about-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    margin-bottom: 4rem;
    align-items: center;
}

.about-section.reverse {
    direction: rtl;
}

.about-section.reverse > * {
    direction: ltr;
}

.about-image-placeholder {
    width: 100%;
    height: 300px;
    background-color: #CCCCCC;
    border-radius: 8px;
}

.about-text h2 {
    color: var(--dark-blue);
    font-size: 2rem;
    margin-bottom: 1rem;
}

.about-text p {
    color: var(--text-light);
    margin-bottom: 1rem;
    line-height: 1.8;
}

.mission-list {
    list-style: none;
    padding-left: 0;
}

.mission-list li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--text-light);
}

.mission-list li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--primary-blue);
    font-weight: bold;
}

/* Tours Content */
.tours-content {
    padding: 4rem 0;
}

.intro-text {
    text-align: center;
    font-size: 1.2rem;
    color: var(--text-light);
    margin-bottom: 3rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.tour-details {
    display: flex;
    flex-direction: column;
    gap: 3rem;
}

/* Tour card detail page - removed duplicate, using vertical layout from main definition */

.tour-image-placeholder {
    width: 100%;
    height: 100%;
    min-height: 300px;
    background-color: #CCCCCC;
}

.tour-info {
    padding: 2rem;
}

.tour-info h2 {
    color: var(--dark-blue);
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.tour-duration {
    color: var(--orange);
    font-weight: bold;
    margin-bottom: 1rem;
}

.tour-info p {
    color: var(--text-light);
    margin-bottom: 1rem;
    line-height: 1.8;
}

.tour-info h3 {
    color: var(--dark-blue);
    margin: 1.5rem 0 1rem;
}

.tour-info ul {
    list-style: none;
    padding-left: 0;
    margin-bottom: 1rem;
}

.tour-info ul li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--text-light);
}

.tour-info ul li:before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--primary-blue);
    font-weight: bold;
    font-size: 1.5rem;
}

.tour-note {
    font-style: italic;
    color: var(--text-light);
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

.booking-cta {
    text-align: center;
    padding: 3rem;
    background-color: var(--light-blue);
    border-radius: 8px;
    margin-top: 3rem;
}

.booking-cta h2 {
    color: var(--dark-blue);
    margin-bottom: 1rem;
}

.booking-cta p {
    color: var(--text-light);
    margin-bottom: 2rem;
}

/* Blog Content Section */
.blog-content-section {
    padding: 4rem 0;
}

/* Old blog grid - removed duplicate */

.blog-post {
    background-color: var(--white);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    transition: transform 0.3s, box-shadow 0.3s;
}

.blog-post:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.15);
}

.blog-image-placeholder {
    width: 100%;
    height: 200px;
    background-color: #CCCCCC;
}

.blog-post-content {
    padding: 1.5rem;
}

.blog-meta {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

.blog-date {
    color: var(--text-light);
}

.blog-category {
    color: var(--primary-blue);
    font-weight: bold;
}

.blog-post-content h2 {
    margin-bottom: 1rem;
}

.blog-post-content h2 a {
    color: var(--dark-blue);
    text-decoration: none;
    transition: color 0.3s;
}

.blog-post-content h2 a:hover {
    color: var(--primary-blue);
}

.blog-post-content p {
    color: var(--text-light);
    margin-bottom: 1rem;
    line-height: 1.8;
}

.read-more {
    color: var(--primary-blue);
    text-decoration: none;
    font-weight: bold;
    transition: color 0.3s;
}

.read-more:hover {
    color: var(--dark-blue);
}

/* Blog Post Page */
.blog-post-page {
    padding: 2rem 0 4rem;
}

.blog-post-header {
    margin-bottom: 2rem;
    text-align: center;
}

.blog-post-header h1 {
    color: var(--dark-blue);
    font-size: 2.5rem;
    margin: 1rem 0;
    line-height: 1.2;
}

.blog-excerpt {
    font-size: 1.2rem;
    color: var(--text-light);
    font-style: italic;
    margin-top: 1rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.blog-post-image-placeholder {
    width: 100%;
    max-width: 900px;
    height: 400px;
    background-color: #CCCCCC;
    margin: 2rem auto;
    border-radius: 8px;
}

.blog-post-body {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 1rem;
}

.blog-post-body h2 {
    color: var(--dark-blue);
    font-size: 2rem;
    margin: 2rem 0 1rem;
    padding-top: 1rem;
    border-top: 2px solid var(--light-blue);
}

.blog-post-body h3 {
    color: var(--dark-blue);
    font-size: 1.5rem;
    margin: 1.5rem 0 1rem;
}

.blog-post-body p {
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.blog-post-body ul {
    margin: 1rem 0 1.5rem;
    padding-left: 2rem;
}

.blog-post-body ul li {
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 0.5rem;
}

.blog-post-body a {
    color: var(--primary-blue);
    text-decoration: none;
}

.blog-post-body a:hover {
    text-decoration: underline;
}

.blog-post-footer {
    max-width: 800px;
    margin: 3rem auto 0;
    padding: 2rem 1rem 0;
    border-top: 2px solid var(--light-blue);
    text-align: center;
}

/* Contact Content */
.contact-content {
    padding: 4rem 0;
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}

.contact-info-section h2 {
    color: var(--dark-blue);
    font-size: 2rem;
    margin-bottom: 1rem;
}

.contact-info-section > p {
    color: var(--text-light);
    margin-bottom: 2rem;
    line-height: 1.8;
}

.contact-details {
    margin-bottom: 2rem;
}

.contact-item {
    margin-bottom: 2rem;
}

.contact-item h3 {
    color: var(--dark-blue);
    margin-bottom: 0.5rem;
}

.contact-item p {
    color: var(--text-light);
    margin-bottom: 0.5rem;
}

.contact-item a {
    color: var(--orange);
    text-decoration: none;
}

.contact-item a:hover {
    text-decoration: underline;
}

.contact-note {
    font-size: 0.9rem;
    color: var(--text-light);
    font-style: italic;
}

.how-to-reach {
    background-color: var(--light-blue);
    padding: 1.5rem;
    border-radius: 8px;
}

.how-to-reach h3 {
    color: var(--dark-blue);
    margin-bottom: 1rem;
}

.how-to-reach p {
    color: var(--text-light);
    margin-bottom: 0.5rem;
    line-height: 1.8;
}

.contact-form-section h2 {
    color: var(--dark-blue);
    font-size: 2rem;
    margin-bottom: 1.5rem;
}

.contact-form {
    background-color: var(--white);
    padding: 2rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-family: inherit;
    font-size: 1rem;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-blue);
}

.form-group textarea {
    resize: vertical;
}

/* Footer */
.footer {
    background-color: var(--dark-blue);
    color: var(--white);
    padding: 3rem 0 1rem;
    margin-top: 4rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-section h3 {
    color: var(--white);
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.footer-section p {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 1rem;
    line-height: 1.8;
}

.tour-list {
    list-style: none;
    padding-left: 0;
}

.tour-list li {
    padding: 0.25rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: rgba(255, 255, 255, 0.9);
}

.tour-list li:before {
    content: "*";
    position: absolute;
    left: 0;
    color: var(--primary-blue);
}

.contact-list {
    list-style: none;
    padding-left: 0;
}

.contact-list li {
    padding: 0.5rem 0;
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.8;
}

.contact-list a {
    color: var(--orange);
    text-decoration: none;
}

.contact-list a:hover {
    text-decoration: underline;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    color: rgba(255, 255, 255, 0.8);
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 60px;
        left: 0;
        width: 100%;
        background-color: var(--primary-blue);
        flex-direction: column;
        gap: 0;
        padding: 1rem 0;
        box-shadow: 0 4px 6px rgba(0,0,0,0.1);
        transform: translateX(-100%);
        transition: transform 0.3s ease;
        z-index: 999;
    }

    .nav-menu.active {
        transform: translateX(0);
    }

    .nav-menu li {
        width: 100%;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }

    .nav-menu li:last-child {
        border-bottom: none;
    }

    .nav-link {
        display: block;
        padding: 1rem 2rem;
        width: 100%;
        text-align: left;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-background-text {
        font-size: 4rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .about-section,
    .about-section.reverse {
        grid-template-columns: 1fr;
        direction: ltr;
    }

    /* Tour card already uses flex column, no need to change */

    .contact-wrapper {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr;
    }

    .features-grid,
    .tours-grid,
    .blog-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .blog-image {
        height: 200px;
    }
    
    .blog-title {
        font-size: 1.3rem;
    }
}

@media (max-width: 480px) {
    .nav-container {
        position: relative;
    }

    .nav-menu {
        top: 56px;
    }

    .hero-title {
        font-size: 1.5rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }
}


/* About Mekong Delta Section */
.about-mekong-section {
    padding: 4rem 0;
    background-color: var(--white);
}

.about-mekong-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.about-mekong-text {
    padding: 2rem;
    background-color: var(--dark-blue);
    color: var(--white);
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.about-mekong-text .section-subtitle {
    color: rgba(255, 255, 255, 0.7);
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 0.5rem;
    position: relative;
    z-index: 2;
}

.about-mekong-text .section-title-main {
    color: var(--white);
    font-size: 2.5rem;
    margin-bottom: 1rem;
    font-weight: 700;
    position: relative;
    z-index: 2;
}

.about-mekong-text .section-description {
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.8;
    margin-bottom: 1.5rem;
    position: relative;
    z-index: 2;
}

.about-mekong-text::before {
    content: 'CAN THO';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 8rem;
    font-weight: 900;
    color: rgba(255, 255, 255, 0.05);
    z-index: 1;
    white-space: nowrap;
    pointer-events: none;
}

.about-mekong-video {
    position: relative;
}

.video-thumbnail-container {
    position: relative;
    width: 100%;
    height: 500px;
    border-radius: 8px;
    overflow: hidden;
}

.video-image-wrapper {
    position: relative;
    width: 100%;
    height: 100%;
}

.video-background-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.5s ease;
}

.video-thumbnail-container:hover .video-background-image {
    transform: scale(1.05);
}

.video-play-button {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60px;
    height: 60px;
    background-color: var(--gold);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    z-index: 2;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.video-play-button:hover {
    transform: translate(-50%, -50%) scale(1.1);
    background-color: #FF8C00;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
}

.video-play-button::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background-color: var(--gold);
    opacity: 0.7;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        transform: scale(1);
        opacity: 0.7;
    }
    50% {
        transform: scale(1.2);
        opacity: 0.3;
    }
    100% {
        transform: scale(1);
        opacity: 0.7;
    }
}

.play-icon {
    color: var(--white);
    font-size: 1.5rem;
    margin-left: 3px;
    position: relative;
    z-index: 1;
}

.btn-explore {
    display: inline-block;
    background-color: var(--gold);
    color: var(--white);
    padding: 0.75rem 1.5rem;
    text-decoration: none;
    border-radius: 4px;
    font-weight: bold;
    text-transform: uppercase;
    margin-top: 1rem;
    transition: background-color 0.3s;
}

.btn-explore:hover {
    background-color: #FF8C00;
}

/* Gallery Section */
.gallery-section {
    padding: 4rem 0;
    background-color: var(--white);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
}

.gallery-item {
    position: relative;
    overflow: hidden;
    aspect-ratio: 3 / 2;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s;
}

.gallery-item:hover img {
    transform: scale(1.1);
}

.gallery-item::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0);
    transition: background 0.3s;
}

.gallery-item:hover::after {
    background: rgba(0, 0, 0, 0.3);
}

/* Blog Section */
.blog-section {
    padding: 4rem 0;
    background-color: var(--white);
}

.blog-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 3rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--border-color);
}

.blog-header-left {
    flex: 1;
}

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

.btn-view-more {
    display: inline-block;
    background-color: var(--gold);
    color: var(--white);
    padding: 0.75rem 1.5rem;
    text-decoration: none;
    border-radius: 4px;
    font-weight: bold;
    text-transform: uppercase;
    transition: background-color 0.3s;
}

.btn-view-more:hover {
    background-color: #FF8C00;
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin-top: 2rem;
}

/* Blog Card - Layout vertical: image trên, text dưới */
.blog-card {
    background-color: var(--white);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    width: 100%;
    /* Force vertical layout */
    display: flex !important;
    flex-direction: column !important;
    flex-wrap: nowrap !important;
}

.blog-card:hover {
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

/* Image container - LUÔN Ở TRÊN */
.blog-image-link {
    width: 100% !important;
    height: 250px !important;
    background-color: #CCCCCC;
    display: block !important;
    overflow: hidden;
    flex-shrink: 0 !important;
    flex-grow: 0 !important;
    order: 1 !important;
    position: relative;
}

.blog-image {
    width: 100% !important;
    height: 100% !important;
    object-fit: cover;
    display: block !important;
}

/* Content container - LUÔN Ở DƯỚI */
.blog-content {
    padding: 1.5rem;
    display: flex !important;
    flex-direction: column !important;
    flex-grow: 1;
    order: 2 !important;
    width: 100% !important;
    box-sizing: border-box;
}

.blog-meta {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
    font-size: 0.9rem;
    align-items: center;
}

.blog-date {
    color: var(--text-light);
}

.blog-category {
    color: var(--primary-blue);
    font-weight: 600;
}

.blog-title {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    line-height: 1.3;
    font-weight: 700;
}

.blog-title a {
    color: var(--primary-blue);
    text-decoration: none;
    transition: color 0.3s;
}

.blog-title a:hover {
    color: var(--dark-blue);
}

.blog-excerpt {
    color: var(--text-light);
    line-height: 1.8;
    font-size: 1rem;
    margin-bottom: 1rem;
    flex-grow: 1;
}

.read-more {
    color: var(--primary-blue);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    transition: color 0.3s;
    margin-top: auto;
    display: inline-block;
}

.read-more:hover {
    color: var(--dark-blue);
}

/* Footer */
.site-footer {
    background-color: var(--footer-bg);
    color: var(--white);
    padding: 0;
    margin-top: 4rem;
    position: relative;
}

.footer-shape {
    height: 50px;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 120" preserveAspectRatio="none"><path d="M0,0V46.29c47.79,22.2,103.59,32.17,158,28,70.36-5.37,136.33-33.31,206.8-37.5C438.64,32.43,512.34,53.67,583,72.05c69.27,18,138.3,24.88,209.4,13.08,36.15-6,69.85-17.84,104.45-29.34C989.49,25,1113-14.29,1200,52.47V0Z" opacity=".25" fill="%23ffffff"/><path d="M0,0V15.81C13,36.92,27.64,56.86,47.69,72.05,99.41,111.27,165,111,224.58,91.58c31.15-10.15,60.09-26.07,89.67-39.8,40.92-19,84.73-46,130.83-49.67,36.26-2.85,70.9,9.42,98.6,31.56,31.77,25.39,62.32,62,103.63,73,40.44,10.79,81.35-6.69,119.13-24.28s75.16-39,116.92-43.05c59.73-5.85,113.28,22.88,168.9,38.84,30.2,8.66,59,6.17,87.09-7.5,22.43-10.89,48-26.93,60.65-49.24V0Z" opacity=".5" fill="%23ffffff"/><path d="M0,0V5.63C149.93,59,314.09,71.32,475.83,42.57c43-7.64,84.23-20.12,127.61-26.46,59-8.63,112.48,12.24,165.56,35.4C827.93,77.22,886,95.24,951.2,90c86.53-7,172.46-45.71,248.8-84.81V0Z" fill="%23ffffff"/></svg>') no-repeat;
    background-size: cover;
    background-position: center;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    padding: 3rem 0 2rem;
}

.footer-title {
    color: var(--white);
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    font-weight: 700;
}

.footer-text {
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.footer-text p {
    margin-bottom: 0.5rem;
    color: rgba(255, 255, 255, 0.9);
}

.footer-social {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
}

.social-icon {
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    text-decoration: none;
    transition: background-color 0.3s, transform 0.3s;
    font-weight: bold;
}

.social-icon:hover {
    background-color: var(--gold);
    transform: translateY(-3px);
}

.footer-contact-list {
    list-style: none;
    padding: 0;
}

.footer-contact-list li {
    margin-bottom: 1rem;
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    color: rgba(255, 255, 255, 0.9);
}

.footer-contact-list li a {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    transition: color 0.3s;
}

.footer-contact-list li a:hover {
    color: var(--gold);
}

.contact-icon {
    font-size: 1.2rem;
    flex-shrink: 0;
}

.footer-bottom {
    padding: 2rem 0;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    text-align: center;
}

.footer-divider {
    height: 1px;
    background: rgba(255, 255, 255, 0.2);
    margin-bottom: 1rem;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.9);
    margin: 0;
}

/* Video Modal */
.video-modal {
    display: none;
    position: fixed;
    z-index: 10000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
}

.video-modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.video-modal-content {
    position: relative;
    width: 90%;
    max-width: 900px;
    padding: 20px;
}

.video-modal-close {
    position: absolute;
    top: -40px;
    right: 0;
    color: var(--white);
    font-size: 40px;
    font-weight: bold;
    cursor: pointer;
    line-height: 1;
}

.video-modal-close:hover {
    color: var(--gold);
}

.video-modal-content iframe {
    width: 100%;
    aspect-ratio: 16 / 9;
    border: none;
}

/* Responsive Updates */
@media (max-width: 1024px) {
    .features-grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .tours-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    .about-mekong-grid {
        grid-template-columns: 1fr;
    }
    
    .tours-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1.5rem;
    }
    
    .tours-header-right {
        align-items: flex-start;
    }
}

@media (max-width: 768px) {
    .header-container {
        flex-direction: row;
        justify-content: space-between;
    }
    
    .header-nav .nav-toggle {
        display: flex;
    }
    
    .header-nav .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        width: 100%;
        background-color: var(--header-bg);
        flex-direction: column;
        gap: 0;
        padding: 1rem 0;
        box-shadow: 0 4px 6px rgba(0,0,0,0.1);
        transform: translateX(-100%);
        transition: transform 0.3s ease;
        z-index: 999;
    }
    
    .header-nav .nav-menu.active {
        transform: translateX(0);
    }
    
    .header-nav .nav-menu li {
        width: 100%;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }
    
    .header-nav .nav-menu li:last-child {
        border-bottom: none;
    }
    
    .header-nav .nav-link {
        display: block;
        padding: 1rem 2rem;
        width: 100%;
        text-align: left;
    }
    
    .hero-title-large {
        font-size: 2rem;
    }
    
    .hero-title-small {
        font-size: 1rem;
    }
    
    .features-grid-4 {
        grid-template-columns: 1fr;
    }
    
    .feature-box {
        border-right: none;
        border-bottom: 1px solid var(--border-color);
    }
    
    .feature-box:last-child {
        border-bottom: none;
    }
    
    .tours-header,
    .blog-header {
        flex-direction: column;
        gap: 1.5rem;
    }
    
    .tours-grid {
        grid-template-columns: 1fr;
    }
    
    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .blog-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .gallery-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-title-large {
        font-size: 1.5rem;
    }
}