@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700&display=swap');
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}
html {
    scroll-behavior: smooth;
    font-size: 16px;
}
body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.7;
    background-color: #fffaf0;
    color: #424242;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}
header,
nav.main-navigation,
main,
footer,
aside.partner-sponsors {
    width: 100%;
    max-width: 1100px;
    margin-left: auto;
    margin-right: auto;
    padding: 25px 30px;
}
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    color: #5D4037;
    margin-bottom: 0.8em;
    line-height: 1.3;
}
p {
    margin-bottom: 1.5em;
    color: #555;
    font-size: 1rem;
}
a {
    color: #FFA000;
    text-decoration: none;
    transition: color 0.3s ease;
}
a:hover {
    color: #FFB300;
    text-decoration: underline;
}
img {
    max-width: 100%;
    height: auto;
    display: block;
}
ul, ol {
    list-style-position: inside;
    padding-left: 0;
}
::selection {
    background-color: #FFA000;
    color: #ffffff;
}
::-moz-selection {
    background-color: #FFA000;
    color: #ffffff;
}
header {
    text-align: center;
    padding-top: 50px;
    padding-bottom: 30px;
    border-bottom: 1px solid #eee;
    background-color: #ffffff;
    position: relative;
    z-index: 10;
}
.logo-container {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    gap: 15px;
}
.logo-img {
    height: 70px;
    width: auto;
    animation: subtlePulse 3s infinite ease-in-out;
    transition: transform 0.4s ease;
}
.logo-img:hover {
     transform: rotate(-5deg) scale(1.05);
}
@keyframes subtlePulse {
    0%, 100% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.04);
        opacity: 0.97;
    }
}
h1.main-heading {
    font-size: 2.8em;
    color: #6D4C41;
    font-weight: 700;
    margin: 0;
    letter-spacing: -1px;
}
.partner-notice {
    font-size: 0.9em;
    color: #777;
    max-width: 700px;
    margin: 15px auto 0 auto;
    padding: 10px;
    background-color: #f9f9f9;
    border-radius: 5px;
    border-left: 3px solid #FFC107;
}
.partner-notice a {
    color: #5D4037;
    font-weight: 500;
}
.partner-notice a:hover {
    color: #FFA000;
}
nav.main-navigation {
    background-color: #ffffff;
    padding-top: 15px;
    padding-bottom: 15px;
    text-align: center;
    border-bottom: 1px solid #eee;
    position: sticky;
    top: 0;
    z-index: 999;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
}
.nav-heading {
    font-size: 1.1em;
    color: #6D4C41;
    margin-bottom: 15px;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 500;
}
.main-navigation ul {
    list-style: none;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px 18px;
}
.main-navigation li {
    display: inline-block;
}
.main-navigation a {
    text-decoration: none;
    color: #5D4037;
    font-weight: 500;
    font-size: 0.95rem;
    padding: 10px 18px;
    border-radius: 25px;
    background-color: #fffaf0;
    border: 1px solid #fdeec9;
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    display: inline-block;
    box-shadow: 0 1px 2px rgba(0,0,0,0.05);
}
.main-navigation a:hover {
    background-color: #FFA000;
    color: #fff;
    text-decoration: none;
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    border-color: #FFA000;
}
.main-navigation a:active {
    transform: translateY(-1px) scale(0.99);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.08);
}
main {
    flex-grow: 1;
    padding-top: 40px;
    padding-bottom: 60px;
}
section {
    padding: 60px 0;
    margin-bottom: 40px;
    border-radius: 12px;
    overflow: hidden;
    position: relative;
}
.section-title {
    font-size: 2.3em;
    text-align: center;
    margin-bottom: 1.5em;
    color: #5D4037;
    position: relative;
    padding-bottom: 15px;
}
.section-title::after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background-color: #FFA000;
    margin: 15px auto 0 auto;
    border-radius: 2px;
}
section p {
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    text-align: justify;
    font-size: 1.05rem;
    margin-bottom: 1.8em;
     color: #484848;
}
.image-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin: 40px auto;
    max-width: 1000px;
}
.gallery-img {
    width: 100%;
    height: 280px;
    object-fit: cover;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.4s cubic-bezier(0.165, 0.84, 0.44, 1), box-shadow 0.4s ease;
    cursor: pointer;
    border: 3px solid white;
}
.gallery-img:hover {
    transform: scale(1.05) rotate(1deg);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
    z-index: 5;
    position: relative;
}
.gradient-bg-1 {
    background: linear-gradient(135deg, #fffaf0 0%, #fff5e0 100%);
}
.gradient-bg-2 {
    background: linear-gradient(135deg, #ffffff 0%, #fff8e1 100%);
}
.gradient-bg-3 {
    background: linear-gradient(135deg, #fffdf9 0%, #fffaf0 100%);
}
.gradient-bg-4 {
    background: linear-gradient(135deg, #ffffff 0%, #fffcea 100%);
}
#gioi-thieu {
    padding-top: 80px;
    padding-bottom: 80px;
}
#pizza-section .section-title::after {
    background-color: #FFB300;
}
#trai-nghiem .section-title::after {
     background-color: #FFC107;
}
#chat-luong .section-title::after {
     background-color: #ffca28;
}
.section-contact {
    background-color: #f8f8f8;
    padding: 50px 30px;
    border-radius: 12px;
    text-align: center;
    margin-top: 50px;
     border: 1px solid #eee;
}
.section-contact .section-title {
    font-size: 2em;
}
.section-contact p {
    max-width: 600px;
    margin-bottom: 30px;
    font-size: 1rem;
}
.contact-form {
    max-width: 600px;
    margin: 0 auto;
    text-align: left;
}
.contact-form input[type="email"],
.contact-form textarea {
    width: 100%;
    padding: 15px 18px;
    margin-bottom: 20px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
    background-color: #ffffff;
}
.contact-form input[type="email"]:focus,
.contact-form textarea:focus {
    border-color: #FFA000;
    outline: none;
    box-shadow: 0 0 0 3px rgba(255, 160, 0, 0.2);
}
.contact-form textarea {
    resize: vertical;
    min-height: 120px;
}
.contact-form button.contact-link {
    background: linear-gradient(to right, #FFA000, #FFC107);
    color: white;
    padding: 15px 30px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1.1em;
    font-weight: 600;
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    display: block;
    width: 100%;
    box-shadow: 0 4px 10px rgba(255, 160, 0, 0.3);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.contact-form button.contact-link:hover {
    background: linear-gradient(to right, #FFB300, #ffca28);
    box-shadow: 0 6px 15px rgba(255, 179, 0, 0.4);
    transform: translateY(-2px);
}
.contact-form button.contact-link:active {
    transform: translateY(0px);
    box-shadow: 0 2px 5px rgba(255, 179, 0, 0.3);
}
aside.partner-sponsors {
    background-color: #fffaf0;
    padding: 40px 30px;
    margin-top: 40px;
    border-radius: 12px;
    border: 1px dashed #FFC107;
}
.partner-title {
    font-size: 1.6em;
    text-align: center;
    color: #6D4C41;
    margin-bottom: 25px;
}
.partner-sponsors p {
    text-align: center;
    max-width: 700px;
    margin-bottom: 30px;
    font-size: 1rem;
}
.partner-sponsors ul {
    list-style: none;
    padding: 0;
    max-width: 800px;
    margin: 0 auto;
}
.partner-sponsors li {
    background-color: #ffffff;
    padding: 15px 20px;
    margin-bottom: 15px;
    border-radius: 8px;
    border-left: 4px solid #FFC107;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    font-size: 0.95rem;
}
.partner-sponsors li:hover {
     transform: translateX(5px);
     box-shadow: 3px 3px 10px rgba(0, 0, 0, 0.05);
}
a.partner-link {
    color: #5D4037;
    font-weight: 600;
    transition: color 0.3s ease;
}
a.partner-link:hover {
    color: #FFA000;
    text-decoration: none;
}
.partner-sponsors a.partner-link-ref {
    color: #5D4037;
    font-weight: 600;
    transition: color 0.3s ease;
}
.partner-sponsors a.partner-link-ref:hover {
    color: #FFA000;
    text-decoration: none;
}
.section-diamond-partner {
    background: linear-gradient(135deg, #fffdf9 0%, #fff3e0 50%, #fffaf0 100%);
    border: 2px solid #FFD54F;
    border-radius: 16px;
    padding: 50px 35px;
    position: relative;
    margin-bottom: 50px;
    box-shadow: 0 8px 32px rgba(255, 160, 0, 0.12);
}
.diamond-partner-badge {
    position: absolute;
    top: 18px;
    right: 18px;
    width: 28px;
    height: 28px;
    background: linear-gradient(135deg, #FFA000, #FFD54F);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 700;
    font-style: italic;
    cursor: help;
    box-shadow: 0 2px 8px rgba(255, 160, 0, 0.3);
    transition: transform 0.3s ease;
}
.diamond-partner-badge:hover {
    transform: scale(1.15);
}
.diamond-partner-heading {
    text-align: center;
    font-size: 1.5em;
    color: #5D4037;
    margin-bottom: 30px;
    font-weight: 700;
    letter-spacing: -0.3px;
}
.diamond-partner-content {
    display: flex;
    gap: 30px;
    align-items: flex-start;
    margin-bottom: 35px;
    padding: 25px;
    background: rgba(255, 255, 255, 0.75);
    backdrop-filter: blur(10px);
    border-radius: 12px;
    border: 1px solid rgba(255, 193, 7, 0.25);
}
.diamond-partner-logo-wrap {
    flex-shrink: 0;
    width: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.diamond-partner-logo {
    max-width: 100%;
    max-height: 80px;
    object-fit: contain;
    transition: transform 0.3s ease;
}
.diamond-partner-logo:hover {
    transform: scale(1.08);
}
.diamond-partner-info {
    flex: 1;
}
.diamond-partner-name {
    font-size: 1.2em;
    color: #5D4037;
    margin-bottom: 12px;
    font-weight: 600;
}
.diamond-partner-name a.partner-link-ref {
    color: #E65100;
    font-weight: 700;
    transition: color 0.3s ease;
}
.diamond-partner-name a.partner-link-ref:hover {
    color: #FFA000;
    text-decoration: none;
}
.diamond-partner-info p {
    font-size: 0.95rem;
    color: #555;
    line-height: 1.7;
    margin-bottom: 0;
    text-align: left;
    max-width: 100%;
}
.diamond-partner-info p a.partner-link-ref {
    color: #E65100;
    font-weight: 600;
    transition: color 0.3s ease;
}
.diamond-partner-info p a.partner-link-ref:hover {
    color: #FFA000;
}
.diamond-partner-services-title {
    text-align: center;
    font-size: 1.15em;
    color: #6D4C41;
    margin-bottom: 22px;
    font-weight: 600;
}
.diamond-partner-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
    margin-bottom: 30px;
}
.diamond-partner-item {
    background: rgba(255, 255, 255, 0.85);
    padding: 16px 18px;
    border-radius: 10px;
    border-left: 3px solid #FFB300;
    font-size: 0.9rem;
    color: #555;
    line-height: 1.6;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.diamond-partner-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 18px rgba(255, 160, 0, 0.12);
}
.diamond-partner-item a.partner-link-ref {
    color: #E65100;
    font-weight: 600;
    transition: color 0.3s ease;
}
.diamond-partner-item a.partner-link-ref:hover {
    color: #FFA000;
    text-decoration: none;
}
.diamond-partner-detail-services {
    background: rgba(255, 255, 255, 0.7);
    border-radius: 12px;
    padding: 25px;
    border: 1px solid rgba(255, 193, 7, 0.2);
}
.diamond-partner-detail-title {
    font-size: 1.1em;
    color: #5D4037;
    margin-bottom: 18px;
    font-weight: 600;
    text-align: center;
}
.diamond-partner-detail-list {
    list-style: none;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
}
.diamond-partner-detail-list li {
    background: #fff;
    padding: 12px 16px;
    border-radius: 8px;
    border-left: 3px solid #FFC107;
    font-size: 0.88rem;
    color: #555;
    line-height: 1.6;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.diamond-partner-detail-list li:hover {
    transform: translateX(4px);
    box-shadow: 2px 2px 10px rgba(0, 0, 0, 0.06);
}
.diamond-partner-detail-list li a.partner-link-ref {
    color: #E65100;
    font-weight: 600;
    transition: color 0.3s ease;
}
.diamond-partner-detail-list li a.partner-link-ref:hover {
    color: #FFA000;
    text-decoration: none;
}
@media (max-width: 992px) {
    .diamond-partner-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .diamond-partner-detail-list {
        grid-template-columns: 1fr;
    }
}
@media (max-width: 768px) {
    .section-diamond-partner {
        padding: 35px 20px;
    }
    .diamond-partner-content {
        flex-direction: column;
        align-items: center;
        text-align: center;
        padding: 20px;
    }
    .diamond-partner-logo-wrap {
        width: 100px;
    }
    .diamond-partner-info p {
        text-align: center;
    }
    .diamond-partner-heading {
        font-size: 1.3em;
    }
    .diamond-partner-grid {
        grid-template-columns: 1fr;
    }
    .diamond-partner-detail-list {
        grid-template-columns: 1fr;
    }
    .diamond-partner-detail-services {
        padding: 18px 15px;
    }
}
@media (max-width: 576px) {
    .section-diamond-partner {
        padding: 25px 15px;
    }
    .diamond-partner-heading {
        font-size: 1.15em;
    }
    .diamond-partner-item {
        padding: 12px 14px;
        font-size: 0.85rem;
    }
    .diamond-partner-detail-list li {
        padding: 10px 12px;
        font-size: 0.85rem;
    }
}
footer {
    text-align: center;
    margin-top: 40px;
    padding-top: 30px;
    padding-bottom: 30px;
    border-top: 1px solid #eee;
    font-size: 0.95em;
    color: #888;
    background-color: #ffffff;
}
footer p {
    margin-bottom: 8px;
    font-size: 0.9rem;
}
footer a.dofollow-link {
    color: #6D4C41;
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}
footer a.dofollow-link:hover {
    color: #FFA000;
    text-decoration: underline;
}
@media (max-width: 1150px) {
    header,
    nav.main-navigation,
    main,
    footer,
    aside.partner-sponsors {
        max-width: 95%;
        padding: 20px 25px;
    }
    .section-title {
        font-size: 2em;
    }
    .image-gallery {
        grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
        gap: 15px;
    }
    .gallery-img {
        height: 240px;
    }
}
@media (max-width: 992px) {
    h1.main-heading {
        font-size: 2.5em;
    }
    .logo-img {
        height: 65px;
    }
    .main-navigation ul {
        gap: 10px 15px;
    }
    .main-navigation a {
        padding: 9px 16px;
        font-size: 0.9rem;
    }
    section p {
        font-size: 1rem;
        max-width: 90%;
    }
}
@media (max-width: 768px) {
    body {
        line-height: 1.6;
    }
    header,
    nav.main-navigation,
    main,
    footer,
    aside.partner-sponsors {
        padding: 15px 20px;
    }
    h1.main-heading {
        font-size: 2.1em;
    }
    .logo-img {
        height: 55px;
    }
     .partner-notice {
        font-size: 0.85em;
     }
    .section-title {
        font-size: 1.8em;
    }
    .nav-heading {
        font-size: 1em;
    }
     .main-navigation a {
        padding: 8px 14px;
        font-size: 0.85rem;
    }
    .image-gallery {
        grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
        gap: 10px;
    }
    .gallery-img {
        height: 200px;
        border-width: 2px;
    }
    .section-contact {
        padding: 40px 20px;
    }
    .contact-form input[type="email"],
    .contact-form textarea {
        padding: 12px 15px;
    }
    .contact-form button.contact-link {
         padding: 14px 25px;
         font-size: 1em;
    }
    aside.partner-sponsors {
        padding: 30px 20px;
    }
    .partner-title {
        font-size: 1.4em;
    }
     .partner-sponsors li {
        padding: 12px 18px;
        font-size: 0.9rem;
    }
    footer p {
        font-size: 0.85rem;
    }
}
@media (max-width: 576px) {
    h1.main-heading {
        font-size: 1.8em;
    }
     .logo-container {
        flex-direction: column;
        gap: 10px;
     }
    .logo-img {
        height: 50px;
    }
     .main-navigation {
        position: static;
        box-shadow: none;
     }
    .main-navigation ul {
        flex-direction: column;
        align-items: center;
        gap: 10px;
    }
    .main-navigation li {
        width: 100%;
        text-align: center;
    }
    .main-navigation a {
        display: block;
        width: 90%;
        margin: 0 auto;
    }
    section {
        padding: 40px 0;
    }
    .section-title {
        font-size: 1.6em;
        margin-bottom: 1.2em;
    }
    section p {
        font-size: 0.95rem;
        max-width: 95%;
        text-align: left;
    }
    .image-gallery {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    }
    .gallery-img {
        height: 180px;
    }
    .contact-form button.contact-link {
         padding: 12px 20px;
    }
}
@media (max-width: 400px) {
    .image-gallery {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    .gallery-img {
         height: 220px;
    }
     h1.main-heading {
        font-size: 1.6em;
    }
}