/* Shared CSS for MAYCLUB NHÀ CÁI */

/* Basic Reset & Global Styles */
:root {
    --primary-color: #007bff; /* A standard blue, can be adjusted to green/gold theme */
    --secondary-color: #28a745; /* Green */
    --accent-gold: #FFD700; /* Gold */
    --text-color: #333;
    --light-text-color: #f8f9fa;
    --bg-light: #f4f7f6;
    --bg-dark: #2c3e50; /* Dark blue/grey for footer */
    --header-bg: #ffffff;
    --footer-bg: #1a252f;
    --border-color: #e0e0e0;
    --transition-speed: 0.3s;
    --container-max-width: 1200px;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Arial', sans-serif; /* Using a common font, can be replaced with custom web fonts */
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-light);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    text-decoration: none;
    color: var(--primary-color);
    transition: color var(--transition-speed) ease;
}

a:hover {
    color: var(--secondary-color);
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    vertical-align: middle;
}

/* Container */
.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 15px;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 10px 20px;
    border-radius: 5px;
    font-weight: bold;
    text-align: center;
    cursor: pointer;
    transition: background-color var(--transition-speed) ease, color var(--transition-speed) ease, border-color var(--transition-speed) ease;
    border: 1px solid transparent;
}

.btn-primary {
    background-color: var(--primary-color);
    color: var(--light-text-color);
    border-color: var(--primary-color);
}

.btn-primary:hover {
    background-color: #0056b3; /* Slightly darker blue */
}

.btn-secondary {
    background-color: var(--secondary-color);
    color: var(--light-text-color);
    border-color: var(--secondary-color);
}

.btn-secondary:hover {
    background-color: #218838; /* Slightly darker green */
}

/* Header Styles */
.main-header {
    background-color: var(--header-bg);
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.top-announcement-bar {
    background-color: var(--accent-gold); /* Using gold for announcement */
    color: var(--bg-dark);
    text-align: center;
    padding: 8px 0;
    font-size: 0.9em;
}

.top-announcement-bar p {
    margin: 0;
}

.header-primary {
    padding: 15px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap; /* Allow wrapping on smaller screens */
}

.header-primary > .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.logo-area .site-logo {
    display: block;
    padding: 5px 0;
}

.site-logo img {
    height: 50px; /* Adjust as needed */
    width: auto;
}

.main-navigation {
    flex-grow: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

.main-navigation .nav-list {
    display: flex;
    gap: 25px;
    margin: 0;
    padding: 0;
}

.nav-item {
    position: relative;
}

.nav-link {
    display: block;
    padding: 10px 0;
    color: var(--text-color);
    font-weight: 500;
    position: relative;
}

.nav-link:hover, .nav-link.active {
    color: var(--primary-color);
}

.nav-link::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: width var(--transition-speed) ease;
}

.nav-link:hover::after, .nav-link.active::after {
    width: 100%;
}

.has-submenu .nav-link i {
    font-size: 0.7em;
    margin-left: 5px;
}

.submenu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background-color: var(--header-bg);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    min-width: 180px;
    z-index: 10;
    border-radius: 5px;
    padding: 10px 0;
}

.nav-item.has-submenu:hover > .submenu {
    display: block;
}

.submenu li a {
    padding: 10px 20px;
    display: block;
    color: var(--text-color);
}

.submenu li a:hover {
    background-color: var(--bg-light);
    color: var(--primary-color);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 15px;
}

.language-selector {
    position: relative;
    cursor: pointer;
}

.language-selector .dropdown-toggle {
    background: none;
    border: none;
    padding: 8px 12px;
    border-radius: 5px;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.95em;
    color: var(--text-color);
    cursor: pointer;
    transition: background-color var(--transition-speed) ease;
}

.language-selector .dropdown-toggle:hover {
    background-color: var(--bg-light);
}

.language-selector .dropdown-toggle img {
    border-radius: 2px;
}

.language-selector .dropdown-menu {
    position: absolute;
    top: 100%;
    right: 0;
    background-color: var(--header-bg);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    min-width: 150px;
    z-index: 10;
    border-radius: 5px;
    padding: 10px 0;
    display: none;
}

.language-selector .dropdown-menu.show {
    display: block;
}

.language-selector .dropdown-menu li a {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 15px;
    color: var(--text-color);
}

.language-selector .dropdown-menu li a:hover {
    background-color: var(--bg-light);
    color: var(--primary-color);
}

.menu-toggle {
    display: none; /* Hidden on desktop */
    background: none;
    border: none;
    font-size: 1.5em;
    cursor: pointer;
    color: var(--text-color);
    padding: 5px;
}

.menu-toggle .icon-bar {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--text-color);
    margin: 5px 0;
    transition: all var(--transition-speed) ease;
}

/* Footer Styles */
.main-footer {
    background-color: var(--footer-bg);
    color: var(--light-text-color);
    padding: 50px 0 20px;
    font-size: 0.9em;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 30px;
}

.footer-col h3 {
    color: var(--accent-gold);
    margin-bottom: 20px;
    font-size: 1.2em;
}

.footer-col p {
    margin-bottom: 15px;
    line-height: 1.8;
}

.footer-col ul {
    margin: 0;
    padding: 0;
}

.footer-col ul li {
    margin-bottom: 10px;
}

.footer-col ul li a {
    color: var(--light-text-color);
    transition: color var(--transition-speed) ease;
}

.footer-col ul li a:hover {
    color: var(--accent-gold);
}

.footer-logo img {
    margin-bottom: 20px;
    filter: brightness(0) invert(1); /* Adjust logo for dark background if needed */
}

.social-links {
    margin-top: 20px;
    display: flex;
    gap: 15px;
}

.social-links a {
    color: var(--light-text-color);
    font-size: 1.5em;
    transition: color var(--transition-speed) ease;
}

.social-links a:hover {
    color: var(--accent-gold);
}

.contact-info p {
    display: flex;
    align-items: center;
    gap: 10px;
}

.contact-info p i {
    color: var(--accent-gold);
    font-size: 1.1em;
}

.payment-methods {
    margin-top: 20px;
}

.payment-methods h4 {
    color: var(--light-text-color);
    margin-bottom: 10px;
    font-size: 1em;
}

.payment-methods img {
    margin-right: 10px;
    margin-bottom: 10px;
    filter: grayscale(100%) brightness(150%); /* Adjust payment icons for dark background */
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 20px;
    margin-top: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
}

.footer-bottom .copyright p {
    margin: 0;
    color: rgba(255, 255, 255, 0.7);
}

.certifications img {
    height: 40px;
    width: auto;
    margin-left: 15px;
    filter: grayscale(100%) brightness(150%); /* Adjust cert icons for dark background */
}

/* Marquee Section Styles */
.marquee-section {
    background-color: var(--bg-dark); /* Dark background for contrast */
    color: var(--light-text-color);
    padding: 10px 0;
    overflow: hidden;
    position: relative;
}

.marquee-container {
    display: flex;
    align-items: center;
    white-space: nowrap;
    animation: marquee-scroll 30s linear infinite; /* Adjust speed as needed */
}

.marquee-icon {
    margin-right: 15px;
    font-size: 1.5em;
    color: var(--accent-gold);
    flex-shrink: 0;
}

.marquee-text {
    margin: 0;
    font-size: 1em;
    color: rgba(255, 255, 255, 0.9);
}

@keyframes marquee-scroll {
    0% { transform: translateX(100%); }
    100% { transform: translateX(-100%); }
}

/* Responsive Adjustments */
@media (max-width: 992px) {
    .main-navigation .nav-list {
        gap: 15px;
    }
}

@media (max-width: 768px) {
    .header-primary > .container {
        flex-wrap: wrap;
        justify-content: center;
    }

    .logo-area {
        width: 100%;
        text-align: center;
        margin-bottom: 15px;
    }

    .main-navigation {
        order: 3; /* Move navigation below logo and actions */
        width: 100%;
        justify-content: flex-start;
    }

    .menu-toggle {
        display: block;
        margin-right: 15px;
    }

    .main-navigation .nav-list {
        display: none; /* Hide by default for mobile */
        flex-direction: column;
        width: 100%;
        background-color: var(--header-bg);
        position: absolute;
        top: 100%;
        left: 0;
        padding: 10px 0;
        box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    }

    .main-navigation .nav-list.active {
        display: flex;
    }

    .nav-item {
        width: 100%;
    }

    .nav-item .nav-link {
        padding: 10px 20px;
        border-bottom: 1px solid var(--border-color);
    }

    .nav-item:last-child .nav-link {
        border-bottom: none;
    }

    .nav-item .nav-link::after {
        display: none;
    }

    .submenu {
        position: static;
        box-shadow: none;
        background-color: var(--bg-light);
        padding: 0;
        border-radius: 0;
        border-top: 1px solid var(--border-color);
    }

    .submenu li a {
        padding-left: 40px;
    }

    .desktop-only {
        display: none;
    }

    .mobile-only {
        display: block;
        width: 100%;
        text-align: center;
    }
    .mobile-only .btn {
        width: calc(100% - 40px); /* Account for padding */
        margin: 10px 20px;
    }

    .header-actions {
        margin-left: auto; /* Push actions to the right if space allows */
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }

    .certifications {
        margin-top: 15px;
    }
    .certifications img {
        margin: 0 5px;
    }
}

@media (max-width: 480px) {
    .footer-grid {
        grid-template-columns: 1fr;
    }
    .marquee-container {
        animation-duration: 20s; /* Faster scroll on smaller screens */
    }
}

/* Font Awesome Icons - Assumed to be loaded via CDN in <head> */
/* <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.0.0-beta3/css/all.min.css"> */

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background-color: var(--primary-color);
    color: var(--light-text-color);
    border: none;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    font-size: 1.5em;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(100px);
    transition: opacity 0.3s ease, visibility 0.3s ease, transform 0.3s ease;
    z-index: 999;
    box-shadow: 0 2px 10px rgba(0,0,0,0.2);
}
.back-to-top.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
.back-to-top:hover {
    background-color: var(--secondary-color);
}

/* Utility Classes */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0,0,0,0);
    border: 0;
}
.desktop-only {
    display: block;
}
.mobile-only {
    display: none;
}
@media (max-width: 768px) {
    .desktop-only {
        display: none;
    }
    .mobile-only {
        display: block;
    }
    body.no-scroll {
        overflow: hidden;
    }
}
/* 移动端内容区防溢出（系统追加，请勿删除） */
@media (max-width: 768px) {
  .page-content img {
    max-width: 100% !important;
    height: auto !important;
    display: block;
  }
  .page-content {
    overflow-x: hidden;
    max-width: 100%;
  }
  body {
    overflow-x: hidden;
  }
}