body {
    font-family: 'Inter', 'Arial', sans-serif;
    line-height: 1.7;
    margin: 0;
    padding: 0;
    background-color: #f4f6f8;
    color: #343a40;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}
.container-fluid {
    width: 100%;
    padding-right: 15px;
    padding-left: 15px;
    margin-right: auto;
    margin-left: auto;
}
.gradient-header {
    background: linear-gradient(135deg, #c8102e 0%, #e0304f 100%);
}
.gradient-hero-section {
    background: linear-gradient(to right, rgba(255, 255, 255, 0.95), rgba(240, 240, 240, 0.9)), url('cuahang.vn-hero-bg.jpg') no-repeat center center/cover;
    background-blend-mode: lighten;
}
.gradient-section-light {
    background: linear-gradient(180deg, #ffffff 0%, #f9fafb 100%);
}
.gradient-section-alt {
    background: linear-gradient(180deg, #f0f3f5 0%, #e9edf0 100%);
}
.gradient-form-section {
    background: linear-gradient(to bottom, #e6f2ff 0%, #dce9f7 100%);
}
.gradient-section-partners {
    background: linear-gradient(180deg, #fdfcfa 0%, #fef9f2 100%);
}
.gradient-footer {
     background: linear-gradient(135deg, #343a40 0%, #495057 100%);
}
.site-header-main {
    padding: 10px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    transition: background-color 0.3s ease, padding 0.3s ease;
}
.header-container {
    max-width: 1320px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.logo-area .logo-main-link {
    display: inline-block;
}
.main-site-logo {
    max-height: 55px; 
    width: auto;
    transition: transform 0.3s ease;
}
.main-site-logo:hover {
    transform: scale(1.05);
}
.main-navigation {
    display: flex;
    align-items: center;
}
.menu-toggle {
    display: none;
    background: transparent;
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    padding: 5px 10px;
}
.menu-icon-bar {
    display: block;
    width: 22px;
    height: 2px;
    background-color: white;
    margin: 4px 0;
    transition: transform 0.3s ease;
}
.nav-menu {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
}
.nav-menu li {
    position: relative;
}
.nav-menu li a {
    display: block;
    padding: 18px 16px;
    color: #ffffff;
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    transition: color 0.3s ease, background-color 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.nav-menu li a:hover,
.nav-menu li.current-menu-item > a {
    color: #ffd700;
    background-color: rgba(255, 255, 255, 0.1);
}
.menu-item-has-children > a::after {
    content: ' ▼';
    font-size: 0.7em;
    margin-left: 5px;
}
.sub-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background-color: #343a40;
    list-style: none;
    padding: 10px 0;
    margin: 0;
    min-width: 220px;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
    border-radius: 0 0 5px 5px;
    z-index: 1001;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: opacity 0.3s ease, visibility 0.3s ease, transform 0.3s ease;
}
.menu-item-has-children:hover > .sub-menu {
    display: block;
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
.sub-menu li a {
    padding: 10px 20px;
    font-size: 0.9rem;
    text-transform: none;
    letter-spacing: normal;
    white-space: nowrap;
}
.sub-menu li a:hover {
    background-color: #495057;
    color: #ffd700;
}
.header-actions {
    display: flex;
    align-items: center;
}
.header-action-link {
    color: white;
    text-decoration: none;
    margin-left: 15px;
    font-size: 0.9rem;
    padding: 8px 12px;
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: 20px;
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}
.header-action-link:hover {
    background-color: white;
    color: #c8102e;
    border-color: white;
}
.hero-section {
    padding: 80px 20px;
    text-align: center;
    color: #212529;
    position: relative;
    overflow: hidden;
}
.hero-section::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: linear-gradient(45deg, rgba(200, 16, 46, 0.1), rgba(255, 205, 0, 0.1));
    z-index: 1;
}
.hero-content {
    position: relative;
    z-index: 2;
    max-width: 900px;
    margin: 0 auto;
}
.main-headline {
    font-size: 2.8rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: #c8102e;
    line-height: 1.3;
    text-shadow: 1px 1px 3px rgba(0,0,0,0.1);
}
.developer-contact-info {
    font-size: 1.05rem;
    margin-bottom: 30px;
    line-height: 1.8;
    color: #495057;
}
.email-highlight {
    color: #007bff;
    font-weight: 500;
    text-decoration: none;
}
.email-highlight:hover {
    text-decoration: underline;
}
.hero-images-showcase {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}
.hero-img {
    width: 100%;
    max-width: 250px;
    height: 250px;
    object-fit: cover;
    border-radius: 12px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275), box-shadow 0.4s ease;
    border: 3px solid white;
}
.hero-img:hover {
    transform: translateY(-10px) scale(1.05);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
}
.cta-button {
    display: inline-block;
    padding: 15px 35px;
    font-size: 1.1rem;
    font-weight: 600;
    color: white;
    background: linear-gradient(135deg, #c8102e, #e0304f);
    border: none;
    border-radius: 30px;
    text-decoration: none;
    transition: transform 0.3s ease, box-shadow 0.3s ease, background 0.3s ease;
    box-shadow: 0 5px 15px rgba(200, 16, 46, 0.3);
}
.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(200, 16, 46, 0.4);
    background: linear-gradient(135deg, #e0304f, #c8102e);
}
.section-padding {
    padding: 70px 20px;
}
.section-container {
    max-width: 1200px;
    margin: 0 auto;
}
.section-title {
    font-size: 2.4rem;
    font-weight: 700;
    color: #c8102e;
    margin-bottom: 20px;
    text-align: center;
    position: relative;
    padding-bottom: 15px;
}
.section-title::after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background-color: #ffcd00;
    margin: 15px auto 0;
    border-radius: 2px;
}
.section-intro {
    font-size: 1.1rem;
    color: #555;
    line-height: 1.8;
    text-align: center;
    max-width: 800px;
    margin: 0 auto 40px auto;
}
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 40px;
}
.product-item {
    background-color: #ffffff;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.07);
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
}
.product-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 25px rgba(0, 0, 0, 0.1);
}
.product-img {
    width: 100%;
    height: 280px; 
    object-fit: cover;
    transition: transform 0.4s ease;
}
.product-item:hover .product-img {
    transform: scale(1.05);
}
.product-name {
    font-size: 1.2rem;
    font-weight: 600;
    color: #333;
    margin: 0;
    padding: 18px;
    text-align: center;
    background-color: #f8f9fa;
    border-top: 1px solid #e9ecef;
}
.product-name a {
    color: inherit;
    text-decoration: none;
    transition: color 0.3s ease;
}
.product-name a:hover {
    color: #c8102e;
}
.food-showcase-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 40px;
}
.food-item {
    background-color: #ffffff;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.07);
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    text-align: center;
}
.food-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 25px rgba(0, 0, 0, 0.1);
}
.food-img {
    width: 100%;
    height: 280px;
    object-fit: cover;
    border-bottom: 3px solid #ffcd00;
    transition: filter 0.3s ease;
}
.food-item:hover .food-img {
    filter: brightness(1.1);
}
.food-name {
    font-size: 1.2rem;
    font-weight: 600;
    color: #333;
    padding: 18px;
    margin: 0;
}
.food-name a {
    color: inherit;
    text-decoration: none;
    transition: color 0.3s ease;
}
.food-name a:hover {
    color: #007940; 
}
.experience-images-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
    margin-top: 40px;
}
.experience-img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    border-radius: 10px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
    transition: transform 0.3s ease, opacity 0.3s ease;
}
.experience-img:hover {
    transform: scale(1.03);
    opacity: 0.9;
}
.blog-posts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}
.blog-post-item {
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
    transition: box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
}
.blog-post-item:hover {
    box-shadow: 0 8px 20px rgba(0,0,0,0.12);
}
.blog-post-img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    border-radius: 8px 8px 0 0;
}
.blog-post-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin: 0;
    padding: 15px 20px 10px;
}
.blog-post-title a {
    color: #c8102e;
    text-decoration: none;
    transition: color 0.3s ease;
}
.blog-post-title a:hover {
    color: #e0304f;
}
.blog-post-excerpt {
    font-size: 0.95rem;
    color: #666;
    padding: 0 20px 20px;
    line-height: 1.6;
    flex-grow: 1;
}
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 15px;
    margin-top: 40px;
}
.gallery-img {
    width: 100%;
    height: 200px; 
    object-fit: cover;
    border-radius: 8px;
    box-shadow: 0 3px 8px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, filter 0.3s ease;
}
.gallery-img:hover {
    transform: scale(1.08);
    filter: brightness(1.1) saturate(1.2);
    z-index: 10; 
    box-shadow: 0 6px 15px rgba(0,0,0,0.2);
}
.main-contact-form {
    max-width: 700px;
    margin: 30px auto 0;
    background-color: #ffffff;
    padding: 30px 35px;
    border-radius: 10px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}
.form-group {
    margin-bottom: 20px;
}
.form-label {
    display: block;
    font-size: 0.95rem;
    font-weight: 500;
    color: #333;
    margin-bottom: 8px;
}
.form-input,
.form-textarea {
    width: 100%;
    padding: 12px 15px;
    font-size: 1rem;
    border: 1px solid #ced4da;
    border-radius: 5px;
    box-sizing: border-box;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}
.form-input:focus,
.form-textarea:focus {
    border-color: #c8102e;
    box-shadow: 0 0 0 0.2rem rgba(200, 16, 46, 0.25);
    outline: none;
}
.form-textarea {
    resize: vertical;
    min-height: 120px;
}
.submit-button {
    display: inline-block;
    padding: 12px 30px;
    font-size: 1.05rem;
    font-weight: 600;
    color: white;
    background: linear-gradient(135deg, #007940, #005c30); 
    border: none;
    border-radius: 25px;
    text-decoration: none;
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease, background 0.3s ease;
    box-shadow: 0 4px 12px rgba(0, 121, 64, 0.3);
}
.submit-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(0, 121, 64, 0.4);
    background: linear-gradient(135deg, #005c30, #007940);
}
.partners-list {
    margin-top: 30px;
    text-align: left;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}
.partner-item .partner-highlight {
    font-size: 1.2rem;
    font-weight: 600;
    color: #333;
    display: block;
    margin-bottom: 15px;
}
.partner-ul {
    list-style: none;
    padding-left: 0;
}
.partner-ul li {
    font-size: 1rem;
    color: #555;
    margin-bottom: 12px;
    line-height: 1.7;
    padding-left: 25px;
    position: relative;
}
.partner-ul li::before {
    content: "✔";
    color: #007940;
    position: absolute;
    left: 0;
    font-weight: bold;
}
.partner-link-ref {
    color: #c8102e;
    font-weight: 500;
    text-decoration: none;
    transition: text-decoration 0.3s ease, color 0.3s ease;
}
.partner-link-ref:hover {
    text-decoration: underline;
    color: #e0304f;
}
.site-footer-main {
    color: #adb5bd;
    padding: 50px 0 20px;
}
.footer-container {
    max-width: 1320px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 30px;
    margin-bottom: 30px;
}
.footer-column .footer-heading {
    font-size: 1.1rem;
    font-weight: 600;
    color: #ffffff;
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    position: relative;
    padding-bottom: 10px;
}
.footer-column .footer-heading::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background-color: #ffcd00;
}
.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}
.footer-links li {
    margin-bottom: 10px;
}
.footer-links li a {
    color: #ced4da;
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.3s ease, padding-left 0.3s ease;
}
.footer-links li a:hover {
    color: #ffffff;
    padding-left: 5px;
}
.footer-social-connect .social-icons a {
    display: inline-block;
    margin-right: 12px;
    color: #ced4da;
    font-size: 1.3rem; 
    transition: color 0.3s ease, transform 0.3s ease;
}
.footer-social-connect .social-icons a:hover {
    color: #ffcd00;
    transform: translateY(-2px);
}
.footer-bottom {
    text-align: center;
    padding-top: 25px;
    border-top: 1px solid #495057;
    margin-top: 30px;
}
.copyright-text {
    font-size: 0.85rem;
    margin-bottom: 8px;
    color: #adb5bd;
}
.designer-credit {
    font-size: 0.85rem;
    color: #adb5bd;
}
.designer-link {
    color: #ffcd00;
    text-decoration: none;
    font-weight: 500;
}
.designer-link:hover {
    text-decoration: underline;
}
@media (max-width: 992px) {
    .main-headline {
        font-size: 2.4rem;
    }
    .section-title {
        font-size: 2rem;
    }
    .hero-img {
        max-width: 200px;
        height: 200px;
    }
    .products-grid, .food-showcase-grid, .experience-images-grid, .blog-posts-grid, .gallery-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }
}
@media (max-width: 768px) {
    .menu-toggle {
        display: block;
        z-index: 1002;
    }
    .main-navigation {
        position: relative;
    }
    .nav-menu {
        display: none;
        flex-direction: column;
        position: absolute;
        top: calc(100% + 10px); 
        right: -20px; 
        background-color: #2c3034;
        width: 250px;
        padding: 10px 0;
        box-shadow: 0 8px 16px rgba(0,0,0,0.3);
        border-radius: 5px;
    }
    .nav-menu.active {
        display: flex;
    }
    .nav-menu li {
        width: 100%;
    }
    .nav-menu li a {
        padding: 12px 20px;
        border-bottom: 1px solid #3f4347;
    }
    .nav-menu li:last-child a {
        border-bottom: none;
    }
    .sub-menu {
        position: static;
        box-shadow: none;
        border-radius: 0;
        background-color: #373b3f;
        padding-left: 15px;
        display: none; 
        opacity: 1;
        visibility: visible;
        transform: none;
        min-width: auto;
    }
    .menu-item-has-children.open > .sub-menu {
        display: block;
    }
    .menu-item-has-children > a::after {
        float: right; 
    }
    .header-actions {
        margin-left: auto; 
        padding-right: 10px; 
    }
    .hero-section {
        padding: 60px 15px;
    }
    .main-headline {
        font-size: 2rem;
    }
    .section-padding {
        padding: 50px 15px;
    }
    .section-title {
        font-size: 1.8rem;
    }
    .section-intro {
        font-size: 1rem;
    }
    .product-img, .food-img, .experience-img, .blog-post-img, .gallery-img {
        height: 220px; 
    }
    .footer-container {
        grid-template-columns: 1fr; 
        text-align: center;
    }
    .footer-column .footer-heading::after {
        margin-left: auto;
        margin-right: auto;
    }
}
@media (max-width: 576px) {
    .main-headline {
        font-size: 1.7rem;
    }
    .developer-contact-info, .section-intro {
        font-size: 0.95rem;
    }
    .hero-images-showcase {
        gap: 10px;
    }
    .hero-img {
        max-width: 150px;
        height: 150px;
    }
    .cta-button, .submit-button {
        font-size: 1rem;
        padding: 12px 25px;
    }
    .product-img, .food-img, .experience-img, .blog-post-img, .gallery-img {
        height: 180px;
    }
    .main-site-logo {
        max-height: 45px;
    }
    .header-action-link {
        font-size: 0.8rem;
        padding: 6px 10px;
        margin-left: 8px;
    }
}
.text-center {
    text-align: center;
}
.mb-20 {
    margin-bottom: 20px;
}
.mt-40 {
    margin-top: 40px;
}
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}
.section-title, .section-intro, .products-grid > *, .food-showcase-grid > *, .experience-images-grid > *, .blog-posts-grid > *, .gallery-grid > * {
    animation: fadeIn 0.8s ease-out forwards;
    opacity: 0; 
}
.products-grid > *:nth-child(1), .food-showcase-grid > *:nth-child(1), .experience-images-grid > *:nth-child(1), .blog-posts-grid > *:nth-child(1), .gallery-grid > *:nth-child(1) { animation-delay: 0.1s; }
.products-grid > *:nth-child(2), .food-showcase-grid > *:nth-child(2), .experience-images-grid > *:nth-child(2), .blog-posts-grid > *:nth-child(2), .gallery-grid > *:nth-child(2) { animation-delay: 0.2s; }
.products-grid > *:nth-child(3), .food-showcase-grid > *:nth-child(3), .experience-images-grid > *:nth-child(3), .blog-posts-grid > *:nth-child(3), .gallery-grid > *:nth-child(3) { animation-delay: 0.3s; }
.products-grid > *:nth-child(4), .food-showcase-grid > *:nth-child(4), .experience-images-grid > *:nth-child(4), .blog-posts-grid > *:nth-child(4), .gallery-grid > *:nth-child(4) { animation-delay: 0.4s; }
.gallery-grid > *:nth-child(5) { animation-delay: 0.5s; }
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #f1f1f1;
}
::-webkit-scrollbar-thumb {
    background: #c8102e;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #a00d25;
}