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

:root {
    --primary-color: #007BFF;
    --primary-dark: #0056b3;
    --secondary-color: #e9f0f7;
    --text-color: #333;
    --light-text: #666;
    --border-color: #e1e1e1;
    --footer-bg: #f6f9fc;
    --willimedia-green: #0076E0;
    /* Updated to match the image better */
    --font-family: 'Brahma', Arial, sans-serif;
}

body {
    font-family: var(--font-family);
    line-height: 1.6;
    color: var(--text-color);
    background: #FCF8F7;
}

a {
    text-decoration: none;
    color: inherit;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 15px;
}

.container-contact_us {
    max-width: 1300px;
    margin: 0 auto;
    padding: 0 15px;
}

.header-container {
    max-width: 1600px;
    margin: 0 auto;
    padding: 0 15px;
    height: 50px;
}


.footer-container {
    margin: 0 auto;
    padding-left: 80px;
    padding-right: 80px;
}

.heading-h3 {
    font-size: 1.5em; /* tương đương h3 */
    font-weight: bold; /* h3 thường là bold */
    margin: 1em 0; /* tương tự khoảng cách mặc định của h3 */
}


header ul {
    list-style: none;
}

footer ul {
    list-style: none;
}

h2 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 20px;
    font-family: var(--font-family);
}

h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
    font-family: var(--font-family);
}

/* Header Styles */
.header {
    background-color: #fff;
    padding: 10px 0;
}

header.sticky {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
}

.cart {
    align-items: center;
    display: flex;
    padding: 0 10px;
    position: relative;
}

    .cart svg {
        filter: invert(1);
    }

    .cart .number {
        justify-content: center;
        display: flex;
        color: #fff;
        height: 16px;
        right: 2px;
        position: absolute;
        top: -5px;
        width: 16px;
        background: var(--willimedia-green);
        border-radius: 50%;
        align-items: center;
        font-size: 13px;
    }

    .cart i {
        font-size: 16px;
    }

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo a {
    color: var(--willimedia-green);
    font-size: 24px;
    font-weight: 700;
    text-decoration: none;
    font-family: var(--font-family);
}

.logo img {
    height: 38px;
    width: 165px;
    max-width: 155px; /* Đảm bảo không bị phóng to ngoài kích thước */
    padding: 6px; /* Giữ nguyên nếu cần */
}

.main-nav {
    display: flex;
    justify-content: center;
    /* Center the navigation */
}

    .main-nav ul {
        display: flex;
        gap: 25px;
    }

    .main-nav li a {
        color: var(--text-color);
        font-size: 20px;
        font-weight: 700;
        transition: color 0.3s;
        font-family: var(--font-family);
    }

        .main-nav li a:hover {
            color: var(--willimedia-green);
        }

        .main-nav li a.active {
            color: #22c55e;
        }

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

.language-selector {
    position: relative;
    display: inline-block;
}

.language-button {
    padding: 10px 16px;
    border: none; /* Không viền */
    border-radius: 8px;
    background-color: transparent; /* Màu nền trùng với nền */
    font-size: 14px;
    color: #333; /* Màu chữ */
    cursor: pointer;
    font-weight: 600;
    background-image: url('data:image/svg+xml;utf8,<svg fill="none" stroke="black" stroke-width="2" viewBox="0 0 24 24"><path d="M6 9l6 6 6-6" /></svg>');
    background-repeat: no-repeat;
    background-position: right 10px center;
    background-size: 16px;
}

    .language-button:hover {
        color: var(--willimedia-green, #0076E0); /* Hover đổi màu chữ */
    }


.language-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 160px;
    background-color: white;
    border: 1px solid #ddd;
    border-radius: 8px;
    padding: 8px 0;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.3s ease;
    z-index: 1000;
}

.language-selector .language-menu a {
    cursor: pointer;
}

.language-selector:hover .language-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.language-menu a {
    display: block;
    padding: 8px 12px;
    font-size: 14px;
    color: #333;
    text-decoration: none;
    font-weight: 500;
}

    .language-menu a:hover {
        background-color: #f0f7ff;
        color: var(--willimedia-green, #0076E0);
    }


/* Cart popup styles */
.cart-popup {
    position: absolute;
    top: calc(100% + 1rem);
    right: -1rem;
    width: 320px;
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    padding: 1.5rem;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.3s ease;
    z-index: 100;
}

    .cart-popup::before {
        content: '';
        position: absolute;
        top: -6px;
        right: 20px;
        width: 12px;
        height: 12px;
        background: white;
        transform: rotate(45deg);
        border-left: 1px solid #eee;
        border-top: 1px solid #eee;
    }

.cart:hover .cart-popup {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* Empty cart state */
.cart-popup .empty-cart {
    text-align: center;
    padding: 2rem 0;
}

    .cart-popup .empty-cart svg {
        width: 48px;
        height: 48px;
        color: #9ca3af;
        margin-bottom: 1rem;
    }

    .cart-popup .empty-cart p {
        color: #4b5563;
        font-size: 0.875rem;
    }

/* Cart items */
.cart-items {
    max-height: 320px;
    overflow-y: auto;
}

.cart-item {
    display: flex;
    align-items: center;
    padding: 0.75rem 0;
    border-bottom: 1px solid #e5e7eb;
}

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

    .cart-item img {
        width: 48px;
        height: 48px;
        border-radius: 6px;
        object-fit: cover;
        margin-right: 1rem;
    }

.cart-item-info {
    flex: 1;
}

.cart-item-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.cart-item-title {
    font-size: 0.875rem;
    font-weight: 500;
    color: #1f2937;
    margin-bottom: 0.25rem;
}

.cart-item-price {
    font-size: 0.875rem;
    color: #1a73e8;
    font-weight: 600;
}

/* Cart total */
.cart-total {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid #e5e7eb;
}

.cart-total-label {
    font-size: 0.875rem;
    color: #4b5563;
}

.cart-total-amount {
    font-size: 1rem;
}



.hero-image .image img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 8px;
}

/* Optional: customize slick dots */
.slick-dots li button:before {
    color: #22c55e;
    font-size: 12px;
}

.signup-btn {
    background-color: var(--willimedia-green);
    color: white;
    padding: 8px 16px;
    border-radius: 4px;
    font-weight: 500;
    font-size: 14px;
    transition: background-color 0.3s;
    border: none;
}

    .signup-btn:hover {
        background-color: #178a3c;
        /* Darker green for hover state */
    }

.signin-content {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}


/* Hero Banner */
.hero-banner {
    width: 100%;
    max-height: 500px;
    overflow: hidden;
}

.hero-image {
    width: 100%;
    height: 100%;
}

.hero-banner img {
    object-fit: cover;
}

.feature-icon i {
    color: var(--willimedia-green);
}

.why-choose-section h2 {
    text-align: start !important;
    color: #000 !important;
}

h2.section-title {
    font-size: 25px;
    color: var(--willimedia-green);
}

    h2.section-title span {
        color: blue;
        font-size: 45px;
    }

        h2.section-title span > span {
            color: green;
        }

/* Topographic Pattern Banner */
.top-banner {
    width: 1100px; /* Cố định chiều dài */
    margin: 0 auto; /* Tùy chọn: căn giữa nếu cần */
    height: 300px;
}

    .top-banner img {
        width: 100%; /* Đảm bảo ảnh phủ hết container 1100px */
        height: auto; /* Giữ tỷ lệ khung hình của ảnh */
    }

.about-images {
    margin-right: 50px;
}

.about-text .about-section {
    background-color: #E7F0FF;
}

.bottom-banner {
    margin-top: 40px;
}

/* Main Content */
.main-content {
    padding: 20px 0;
}

.content-area {
    display: flex;
    align-items: flex-start; /* quan trọng: tách chiều cao các cột */
    gap: 20px;
}

.ads {
    display: grid;
    gap: 20px;
    margin-top: 30px;
}

.category-sidebar {
    padding: 20px;
    border-radius: 8px;
    height: fit-content;
    width: 300px;
}

.category-sidebar__title {
    font-size: 18px;
    color: #333;
    margin-bottom: 8px;
}

.category-sidebar__inner {
    background-color: #f5f9ff;
    padding: 20px;
    border-radius: 8px;
    height: fit-content;
}

.category-list {
    list-style: none;
    display: grid;
    gap: 6px;
    padding: 0;
    margin: 0;
}

    .category-list li {
        gap: 7px;
        display: flex;
        align-items: center;
        border: 1px solid #000;
        border-radius: 5px;
        font-size: 14px;
        cursor: pointer;
        transition: color 0.3s;
    }

        .category-list li a {
            display: flex;
            align-items: center;
            padding: 10px 12px;
            border-radius: 8px;
            color: #4a5568;
            text-decoration: none;
            transition: background-color 0.3s ease, color 0.3s ease;
        }

            .category-list li a:hover {
                background-color: #f0f7ff;
                color: #333;
            }

            .category-list li a svg {
                margin-right: 8px;
                width: 18px;
                height: 18px;
                flex-shrink: 0;
                color: #6366f1;
            }


@media (max-width: 768px) {
    .category-sidebar {
        max-width: 100%;
        padding: 10px;
    }
}

.category-list .icon {
    display: inline-block;
    width: 10px;
    height: 10px;
    background-color: var(--willimedia-green);
    border-radius: 50%;
    margin-right: 10px;
}

.topo-pattern {
    height: 150px;
    background-color: #0d1c33;
    background-image: url('https://media.istockphoto.com/id/1335402844/vector/abstract-topographic-map-elevation-map-seamless-pattern-in-blue-color.jpg?s=612x612&w=0&k=20&c=wUoGMzpDLChjJSBIzvs7NuTfcgAvD39pnlzVhiDqOxA=');
    background-size: cover;
    background-position: center;
    border-radius: 8px;
    margin-top: 20px;
}

/* Reasons Section */
.reasons-section {
    padding: 60px 0;
    background-color: #fff;
    background-image: url('https://images.unsplash.com/photo-1540420773420-3366772f4999?q=80&w=1984&auto=format&fit=crop');
    background-size: cover;
    background-position: center;
    position: relative;
    color: #333;
}


    .reasons-section:before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background-color: rgba(255, 255, 255, 0.9);
        z-index: 1;
    }

    .reasons-section .container {
        position: relative;
        z-index: 2;
    }

    .reasons-section h2 {
        font-size: 28px;
        text-align: center;
        margin-bottom: 15px;
        color: #333;
        font-family: var(--font-family);
    }

    .reasons-section > .container > p {
        text-align: center;
        max-width: 700px;
        margin: 0 auto 30px;
        color: #666;
        font-size: 16px;
        font-family: var(--font-family);
    }

.reasons-list {
    max-width: 700px;
    margin: 0 auto;
}

    .reasons-list li {
        display: flex;
        align-items: flex-start;
        margin-bottom: 20px;
        font-size: 16px;
        line-height: 1.5;
    }

    .reasons-list .bullet {
        display: inline-block;
        min-width: 10px;
        height: 10px;
        background-color: var(--willimedia-green);
        border-radius: 50%;
        margin-right: 15px;
        margin-top: 6px;
    }

.footer {
    background-color: #fff;
    padding: 60px 160px 40px;
}

@media (max-width: 991px) {
    .footer {
        padding: 50px 80px 30px;
    }
}

@media (max-width: 767px) {
    .footer {
        padding: 40px 20px 20px;
    }
}


.footer-content {
    border-bottom: 1px solid #000;
    border-top: 1px solid #000;
    padding: 50px 0;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 50px;
}

.footer-logo h2 {
    color: var(--willimedia-green);
    margin-bottom: 10px;
    font-size: 24px;
    font-family: var(--font-family);
}

.footer-logo li {
    display: flex;
    gap: 7px;
}

.footer-logo p {
    color: var(--light-text);
    font-size: 14px;
    margin-bottom: 15px;
    font-family: var(--font-family);
}



.footer-column h3 {
    font-size: 18px;
    margin-bottom: 20px;
    color: var(--willimedia-green);
    font-family: var(--font-family);
}

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

    .footer-column ul li a {
        color: #000;
        font-size: 15px;
        transition: color 0.3s;
        font-family: var(--font-family);
    }

.footer-column ul > li > ul {
    display: flex;
    gap: 16px;
}

.footer-column ul > li h3 {
    color: #000;
    margin-bottom: 5px;
}

.footer-column ul > li i {
    color: var(--willimedia-green);
}

.footer-column ul li a:hover {
    color: var(--willimedia-green);
}


.newsletter-box p {
    font-size: 14px;
    margin-bottom: 15px;
    color: #333;
    font-family: var(--font-family);
}

.copyright {
    display: flex;
    justify-content: space-between;
}

.newsletter-form {
    display: flex;
}

    .newsletter-form input {
        flex: 1;
        padding: 10px;
        border: 1px solid var(--border-color);
        border-radius: 4px 0 0 4px;
        font-size: 14px;
    }

    .newsletter-form button {
        justify-content: center;
        align-items: center;
        display: flex;
        background-color: var(--willimedia-green);
        color: white;
        border: none;
        padding: 0px 8px;
        border-radius: 0 4px 4px 0;
        cursor: pointer;
        transition: background-color 0.3s;
    }

        .newsletter-form button:hover {
            background-color: #178a3c;
            /* Darker green for hover state */
        }



.footer-logos {
    margin-top: 20px;
    display: flex;
    gap: 15px;
}

    .footer-logos img {
        height: 30px;
        width: auto;
    }

.footer-logo img {
    height: 50px;
    width: auto;
    max-width: initial;
    padding: 6px;
}

.bottom-copyright {
    background-color: #f0f5fa;
    padding: 15px 0;
    text-align: center;
    font-size: 14px;
    color: #999;
}

#mobile-menu-open {
    font-size: 28px;
    color: #000;
    display: block;
    background: none;
    border: none;
}

.text-willimedia {
    color: var(--willimedia-green);
}


/* Navigation inside mobile menu */
.menu-nav {
    padding: 70px 20px 20px;
}

    .menu-nav ul {
        list-style: none;
        padding: 0;
        margin: 0;
    }

        .menu-nav ul li {
            border-bottom: 1px solid #ccc;
        }

            .menu-nav ul li a {
                display: block;
                padding: 12px 8px;
                font-weight: 600;
                color: #000;
                text-decoration: none;
                transition: background-color 0.3s ease, color 0.3s ease;
            }

                .menu-nav ul li a:hover {
                    background-color: #f0f7ff;
                    color: #0076E0; /* var(--willimedia-green) */
                }


/* Mobile Menu Footer */
#mobile-menu-footer {
    padding: 16px;
}

    #mobile-menu-footer .btn-group {
        display: flex;
        gap: 12px;
        margin-bottom: 16px;
    }

    #mobile-menu-footer button {
        flex: 1;
        padding: 10px 0;
        font-weight: 600;
        border-radius: 6px;
        border: 2px solid #111;
        color: #111;
        background: #fff;
        transition: background-color 0.3s ease, color 0.3s ease;
    }

        #mobile-menu-footer button.login-btn:hover {
            background-color: #22c55e;
            color: #fff;
        }

        #mobile-menu-footer button.register-btn {
            background-color: var(--willimedia-green);
            color: #fff;
            border: 2px solid var(--willimedia-green);
        }

            #mobile-menu-footer button.register-btn:hover {
                background-color: #1e9e4f;
                border-color: #1e9e4f;
            }

    #mobile-menu-footer .contact-info {
        text-align: center;
        margin-bottom: 16px;
        font-weight: 600;
        color: #000;
    }

    #mobile-menu-footer .social-icons {
        display: flex;
        justify-content: center;
        gap: 20px;
        font-size: 20px;
        color: #000;
    }

        #mobile-menu-footer .social-icons a:hover {
            color: #22c55e;
        }

.menu-nav {
    padding-top: 30px;
}

nav.main-nav {
    display: none;
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
}

#submenu {
    list-style: none;
    margin: 0px;
    padding: 0px;
    position: absolute;
    top: 100%;
    left: -50%;
    background: rgb(255, 255, 255);
    border: 1px solid rgb(204, 204, 204);
}




/* Responsive Design */
@media (max-width: 992px) {
    .content-area {
        grid-template-columns: 1fr;
    }

    .video-grid {
        grid-template-columns: repeat(2, 1fr) !important;
    }

    .ads {
        display: none;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
}

@media (max-width: 768px) {
    .header-right {
        display: none;
    }

    .bottom-copyright .container {
        margin-bottom: 0;
    }

    .copyright {
        flex-direction: column;
    }

    .header-content {
        padding: 0 10px;
        height: 65px;
        /* flex-direction: column; */
        gap: 15px;
    }


    .main-nav ul {
        flex-wrap: wrap;
        justify-content: center;
    }

    .video-grid {
        grid-template-columns: 1fr;
    }

    .method-videos {
        flex-wrap: wrap;
    }

    header {
        background-color: #fff;
        padding: 0 !important;
        z-index: 1000;
    }
}

@media(min-width: 768px) {
    #mobile-menu-open {
        display: none;
    }

    nav.main-nav {
        display: flex;
        gap: 24px;
        font-weight: 600;
    }

        nav.main-nav a {
            color: #000;
            text-decoration: none;
            padding: 8px 0;
            position: relative;
        }

            nav.main-nav a:hover {
                color: #22c55e;
            }

        nav.main-nav .submenu {
            display: none;
            position: absolute;
            background: #fff;
            border: 1px solid #ccc;
            top: 100%;
            left: 0;
            min-width: 140px;
            z-index: 100;
        }

        nav.main-nav li:hover .submenu {
            display: block;
        }

        nav.main-nav .submenu a {
            display: block;
            padding: 8px 12px;
            font-weight: normal;
            color: #000;
        }

            nav.main-nav .submenu a:hover {
                background: #22c55e;
                color: #fff;
            }
}

.category-nav button.active,
.category-nav a.active {
    color: #2563eb; /* Màu xanh khi active */
    font-weight: 700; /* Đậm */
}

.user-selector {
    position: relative;
    display: inline-block;
}

.user-button {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    padding: 0;
    background-color: #ccc;
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    transition: background-color var(--transition-speed) var(--transition-timing), transform var(--transition-speed) var(--transition-timing);
}

.user-icon {
    width: 20px;
    height: 20px;
}

/* User Menu Styles */
.user-menu {
    position: absolute;
    top: calc(100% + var(--spacing-sm));
    right: 0;
    width: 180px;
    background-color: var(--background-color);
    border-radius: var(--border-radius-md);
    box-shadow: 0 4px 12px var(--shadow-color);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: opacity var(--transition-speed) var(--transition-timing), transform var(--transition-speed) var(--transition-timing), visibility var(--transition-speed) var(--transition-timing);
    z-index: 100;
    overflow: hidden;
}

:root {
    /* Color Variables */
    --primary-color: #4361ee;
    --primary-dark: #3a56d4;
    --secondary-color: #f8f9fa;
    --text-color: #333333;
    --text-light: #6c757d;
    --border-color: #e9ecef;
    --background-color: #ffffff;
    --shadow-color: rgba(0, 0, 0, 0.1);
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    /* Transitions */
    --transition-speed: 200ms;
    --transition-timing: ease;
    /* Border Radius */
    --border-radius-sm: 4px;
    --border-radius-md: 8px;
    --border-radius-lg: 12px;
    --border-radius-circle: 50%;
}

/* User Selector Styles */
.user-selector {
    position: relative;
    display: inline-block;
}


.user-icon {
    width: 20px;
    height: 20px;
}

/* User Menu Styles */
.user-menu {
    position: absolute;
    top: calc(100% + var(--spacing-sm));
    left: 20%;
    transform: translateX(-20%);
    width: 200px;
    background-color: var(--background-color);
    border-radius: var(--border-radius-md);
    box-shadow: 0 4px 12px var(--shadow-color);
    opacity: 0;
    visibility: hidden;
    transform: translateX(-50%) translateY(-10px);
    transition: opacity var(--transition-speed) var(--transition-timing), transform var(--transition-speed) var(--transition-timing), visibility var(--transition-speed) var(--transition-timing);
    z-index: 100;
    overflow: hidden;
}

/* Show menu on hover */
.user-selector:hover .user-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(-50);
    transition-delay: 100ms;
}

.user-name {
    font-weight: bold;
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
    background-color: #f9fafb;
    color: var(--text-color);
}

.user-menu a,
.user-menu .logout {
    display: block;
    padding: var(--spacing-md);
    color: var(--text-color);
    text-decoration: none; /* không cần với span nhưng giữ để đồng bộ */
    transition: background-color var(--transition-speed) var(--transition-timing), color var(--transition-speed) var(--transition-timing);
    cursor: pointer; /* quan trọng: làm xuất hiện con trỏ bàn tay */
}

    .user-menu .logout:hover {
        background-color: #f5f8ff;
        color: var(--primary-color);
    }


    .user-menu a:hover {
        background-color: #f5f8ff;
        color: var(--primary-color);
    }

/* Responsive adjustments */
@media (max-width: 768px) {
    .user-menu {
        width: 180px;
    }

    .header h1 {
        font-size: 1.2rem;
    }
}

.password-toggle {
    position: relative;
}

    .password-toggle input {
        padding-right: 40px; /* Để chừa chỗ cho icon */
    }

.toggle-password {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    cursor: pointer;
    user-select: none;
}

.thumbnail-container {
    width: 100%;
    height: 100%;
    position: relative;
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: transform 0.3s ease;
}

.video-iframe {
    width: 1110px;
    height: 600px;
}

.user-button img {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    object-fit: cover;
    display: block;
}

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

    .modal-overlay.active {
        opacity: 1;
        visibility: visible;
    }

    .modal-overlay .modal-container {
        position: relative;
        width: 100%;
        max-width: 1200px;
        max-height: 90vh;
        background: white;
        border-radius: 1.5rem;
        box-shadow: 0 25px 50px rgba(0, 0, 0, 0.25);
        overflow: hidden;
        transform: scale(0.9) translateY(20px);
        transition: all 0.3s ease;
    }

    .modal-overlay.active .modal-container {
        transform: scale(1) translateY(0);
    }

    .modal-overlay .close-btn {
        position: absolute;
        top: 1rem;
        right: 1rem;
        z-index: 10;
        background: rgba(255, 255, 255, 0.9);
        backdrop-filter: blur(8px);
        border: none;
        width: 40px;
        height: 40px;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        cursor: pointer;
        transition: var(--transition);
        box-shadow: var(--shadow);
    }

        .modal-overlay .close-btn:hover {
            background: white;
            transform: scale(1.1);
        }

        .modal-overlay .close-btn svg {
            color: var(--light-text);
        }

    .modal-overlay .modal-content {
        display: grid;
        grid-template-columns: 1fr 1fr;
        min-height: 600px;
    }

    .modal-overlay .welcome-section {
        position: relative;
        background: linear-gradient(135deg, #60a5fa 0%, #3b82f6 100%);
        padding: 3rem;
        display: flex;
        align-items: center;
        justify-content: center;
        overflow: hidden;
    }

    .modal-overlay .animated-bg {
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        opacity: 0.1;
        background: linear-gradient(45deg, rgba(255, 255, 255, 0.1) 25%, transparent 25%, transparent 75%, rgba(255, 255, 255, 0.1) 75%);
        background-size: 20px 20px;
        animation: movePattern 30s linear infinite;
    }

@keyframes movePattern {
    0% {
        background-position: 0 0;
    }

    100% {
        background-position: 40px 40px;
    }
}

.modal-overlay .welcome-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 400px;
}

.modal-overlay .welcome-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    background: white;
    border-radius: 50%;
    margin-bottom: 2rem;
    box-shadow: var(--shadow);
    color: var(--primary-color);
}

.modal-overlay .welcome-content h1 {
    font-size: 2.5rem;
    font-weight: 700;
    color: white;
    line-height: 1.2;
    margin-bottom: 2rem;
}

.modal-overlay .welcome-content .highlight {
    color: #fbbf24;
}

.modal-overlay .welcome-image {
    border-radius: 1.5rem;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    cursor: pointer;
}

    .modal-overlay .welcome-image:hover {
        transform: scale(1.02);
    }

    .modal-overlay .welcome-image img {
        width: 100%;
        height: 250px;
        object-fit: cover;
        filter: grayscale(100%);
        transition: var(--transition);
    }

    .modal-overlay .welcome-image:hover img {
        filter: grayscale(0%);
        transform: scale(1.05);
    }

.modal-overlay .login-section {
    padding: 3rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-overlay .login-box {
    width: 100%;
    max-width: 400px;
}

    .modal-overlay .login-box h2 {
        font-size: 2rem;
        font-weight: 700;
        color: var(--text-color);
        margin-bottom: 0.5rem;
    }

.modal-overlay .subtitle {
    color: var(--light-text);
    margin-bottom: 2rem;
}

.modal-overlay .login-form {
    margin-bottom: 2rem;
}

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

    .modal-overlay .form-group input {
        width: 100%;
        padding: 0.875rem 1rem;
        background: #f9fafb;
        border: 2px solid var(--border-color);
        border-radius: 0.75rem;
        font-size: 1rem;
        transition: var(--transition);
        outline: none;
    }

        .modal-overlay .form-group input:focus {
            border-color: var(--primary-color);
            background: white;
            box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
        }

.modal-overlay .password-group {
    position: relative;
}

.modal-overlay .toggle-password {
    position: absolute;
    right: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    cursor: pointer;
    color: var(--light-text);
    transition: var(--transition);
    padding: 0.25rem;
}

    .modal-overlay .toggle-password:hover {
        color: var(--text-color);
    }

.modal-overlay .form-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    font-size: 0.875rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.modal-overlay .forgot-password {
    color: var(--light-text);
    text-decoration: none;
    transition: var(--transition);
}

    .modal-overlay .forgot-password:hover {
        color: var(--primary-color);
    }

.modal-overlay .register-link {
    color: var(--light-text);
}

    .modal-overlay .register-link a {
        color: var(--primary-color);
        text-decoration: none;
        font-weight: 600;
        transition: var(--transition);
    }

        .modal-overlay .register-link a:hover {
            color: var(--primary-hover);
        }

.modal-overlay .login-button {
    width: 100%;
    padding: 0.875rem 1.5rem;
    background: var(--willimedia-green);
    color: white;
    border: none;
    border-radius: 0.75rem;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

    .modal-overlay .login-button:hover {
        background: #15803d;
        transform: translateY(-1px);
        box-shadow: 0 10px 25px rgba(22, 163, 74, 0.3);
    }

.modal-overlay .social-login {
    margin-top: 2rem;
}

.modal-overlay #google-login {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    background: white;
    border: 1px solid #d1d5db;
    border-radius: 8px;
    padding: 0.75rem 1rem;
    font-size: 0.95rem;
    font-weight: 500;
    color: #374151;
    cursor: pointer;
    transition: all 0.2s ease-in-out;
    width: 100%;
    box-shadow: 0 1px 2px rgba(0,0,0,0.05);
}

    .modal-overlay #google-login:hover {
        border-color: #4285f4;
        box-shadow: 0 2px 8px rgba(66, 133, 244, 0.2);
        transform: translateY(-1px);
    }

    .modal-overlay #google-login img {
        width: 20px;
        height: 20px;
    }

.modal-overlay .divider {
    position: relative;
    text-align: center;
    margin-bottom: 1.5rem;
}

    .modal-overlay .divider::before {
        content: '';
        position: absolute;
        top: 50%;
        left: 0;
        right: 0;
        height: 1px;
        background: var(--border-color);
    }

    .modal-overlay .divider span {
        position: relative;
        background: white;
        padding: 0 1rem;
        color: var(--text-color);
        font-weight: 700;
        font-size: 1.125rem;
        z-index: 1;
    }

.modal-overlay .social-buttons {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.modal-overlay .social-btn {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 2px solid var(--border-color);
    border-radius: 0.75rem;
    background: white;
    color: var(--text-color);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
}

    .modal-overlay .social-btn:hover {
        border-color: var(--willimedia-green);
        background: #f9fafb;
        transform: translateY(-1px);
    }

    .modal-overlay .social-btn svg {
        transition: var(--transition);
    }

    .modal-overlay .social-btn:hover svg {
        transform: scale(1.1);
    }

@media (max-width: 1024px) {
    .modal-overlay .modal-content {
        grid-template-columns: 1fr;
    }

    .modal-overlay .welcome-section {
        padding: 2rem;
        min-height: auto;
    }

    .modal-overlay .welcome-content h1 {
        font-size: 2rem;
    }

    .modal-overlay .login-section {
        padding: 2rem;
    }
}

@media (max-width: 640px) {
    .modal-overlay .hero-section h1 {
        font-size: 2rem;
    }

    .modal-overlay .hero-section p {
        font-size: 1rem;
    }

    .modal-overlay .modal-container {
        margin: 0.5rem;
        border-radius: 1rem;
    }

    .modal-overlay .welcome-section {
        padding: 1.5rem;
    }

    .modal-overlay .welcome-content h1 {
        font-size: 1.75rem;
    }

    .modal-overlay .login-section {
        padding: 1.5rem;
    }

    .modal-overlay .form-footer {
        flex-direction: column;
        align-items: flex-start;
    }

    .modal-overlay .welcome-image img {
        height: 200px;
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-overlay .fade-in {
    animation: fadeIn 0.3s ease forwards;
}

.mobile-menu {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.3); /* nền mờ ngoài */
    transform: translateX(-100%);
    transition: transform 0.3s ease;
    z-index: 1100;
}

    .mobile-menu.open {
        transform: translateX(0);
    }

.mobile-menu-inner {
    position: relative;
    width: 80%;
    max-width: 320px;
    height: 100%;
    background-color: white;
    padding: 24px 16px;
    box-shadow: 2px 0 8px rgba(0,0,0,0.1);
    overflow-y: auto;
}

.close-menu-btn {
    position: absolute;
    top: 16px;
    right: 16px;
    font-size: 24px;
    color: #374151;
    background: none;
    border: none;
    cursor: pointer;
}

.mobile-nav ul {
    list-style: none;
    padding: 0;
    margin-top: 48px;
}

.mobile-nav li {
    margin-bottom: 12px;
    border-bottom: 1px solid #e5e7eb;
}

.mobile-nav a {
    display: block;
    padding: 12px 8px;
    text-decoration: none;
    color: #111827;
    font-weight: 500;
    transition: background 0.2s;
}

    .mobile-nav a:hover {
        background-color: #f3f4f6;
        color: #10B981;
    }
.footer-links ul.social-icons {
    display: flex;
    gap: 12px;
    list-style: none;
    padding: 0;
    margin: 0;
}

    .footer-links ul.social-icons li a {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 48px;
        height: 48px;
        border-radius: 50%;
        background-color: #FCF8F7; /* Màu nền xám nhạt */
        transition: background-color 0.3s ease;
        text-decoration: none;
    }

        .footer-links ul.social-icons li a:hover {
            background-color: #22c55e; /* Màu xanh ngọc khi hover */
        }

    .footer-links ul.social-icons svg {
        width: 24px;
        height: 24px;
        fill: #000; /* Màu icon mặc định */
        transition: fill 0.3s ease;
    }

    .footer-links ul.social-icons li a:hover svg {
        fill: #fff; /* Đổi màu icon khi hover */
    }