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

:root {
    --primary-color: #0d6efd;
    --primary-light: #0d6efd;
    --primary-dark: #0d6efd;
    --white: #FFFFFF;
    --off-white: #f8fff9;
    --light-bg: #e8ffe9;
    --dark-text: #45484f;
    --gray-text: #4d634e;
    --light-gray: #d9f5da;
    --accent-gold: #ffd700;
    --accent-blue: #93C5FD;
    --success-color: #10B981;
    --error-color: #ef4444;
    --border-radius: 12px;
    --box-shadow: --box-shadow0 2px 8px rgba(13, 110, 253, 0.15);
    --transition: all 0.3s ease;
    --background-color-white: #F7F9FA;
    --border-color: #e7e7e7;
}

body {
    font-family: 'Montserrat', sans-serif;
    color: var(--dark-text);
    line-height: 1.7;
    background-color: var(--off-white);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    margin: 0;
    padding-top: 0; /* Xóa padding-top */
}

main {
    flex: 1 0 auto;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    width: 100%;
}

/* Focus states cho accessibility */
/*a:focus, button:focus, input:focus, select:focus, textarea:focus {*/
/*    outline: 2px solid var(--primary-dark);*/
/*    outline-offset: 2px;*/
/*}*/

/* Skip to content link cho accessibility */
.skip-to-content {
    position: absolute;
    top: -9999px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary-color);
    color: var(--white);
    padding: 10px 15px;
    z-index: 1001;
    border-radius: var(--border-radius);
    opacity: 0;
    pointer-events: none;
    transition: top 0.3s ease, opacity 0.3s ease;
}

.skip-to-content:focus {
    top: 5px;
    opacity: 1;
    pointer-events: auto;
}

/* Header Styles */
.site-header {
    background-color: var(--white);
    box-shadow: 0 0 0 rgba(0, 0, 0, .06), 0 1px 3px rgba(0, 0, 0, .06);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.header-hidden {
    transform: translateY(-100%);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 24px;
    transition: var(--transition);
}

/* Header khi cuộn */
.header-scrolled .header-container {
    padding: 8px 24px;
}

.header-scrolled .header-logo {
    height: 50px;
}

.left-group {
    display: flex;
    align-items: center;
    gap: 40px;
}

.logo a {
    font-size: 1.5rem;
    font-weight: bold;
    text-decoration: none;
    color: var(--dark-text);
}

.main-nav .nav-links {
    display: flex;
    list-style: none;
    gap: 30px;
    margin: 0;
    padding: 0;
}

.nav-link {
    text-decoration: none;
    color: var(--dark-text);
    font-weight: 600;
    transition: var(--transition);
    position: relative;
    padding: 6px 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-color), var(--primary-light));
    transition: width 0.3s ease;
}

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

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

.header-actions {
    display: flex;
    align-items: center;
    gap: 20px;
}

/* Language Switcher */
.lang-switch {
    position: relative;
    margin-right: 15px;
    z-index: 100;
}

button.lang-toggle {
    cursor: pointer;
    display: flex;
    align-items: center;
    padding: 5px;
    border-radius: 4px;
    transition: all 0.3s ease;
    background: transparent;
    border: none;
    outline: none;
}

button.lang-toggle:hover {
    background-color: rgba(0,0,0,0.05);
}

button.lang-toggle:focus {
    box-shadow: 0 0 0 2px var(--border-color);
}

.flag-icon {
    width: 24px;
    height: auto;
    border-radius: 2px;
}

.lang-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    background: white;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    border-radius: 4px;
    z-index: 1000;
    min-width: 150px;
    margin-top: 5px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
}

.lang-dropdown[style*="display: block"] {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.lang-option {
    display: flex;
    align-items: center;
    padding: 10px 12px;
    text-decoration: none;
    color: #333;
    font-size: 14px;
    transition: background-color 0.2s ease;
}

.lang-option img {
    margin-right: 8px;
}

.lang-option:hover {
    background-color: #f5f5f5;
}

@media (max-width: 991px) {
    .mobile-nav .lang-switch {
        margin-top: 20px;
        margin-bottom: 20px;
        width: 100%;
        display: flex;
        justify-content: center;
    }
    
    .mobile-nav .lang-toggle {
        justify-content: center;
    }
    
    .mobile-nav .lang-dropdown {
        left: 50%;
        right: auto;
        transform: translateX(-50%) translateY(-10px);
        text-align: left;
    }
    
    .mobile-nav .lang-dropdown[style*="display: block"] {
        transform: translateX(-50%) translateY(0);
    }
}

/* Auth Buttons */
.auth-buttons {
    display: flex;
    gap: 10px;
    align-items: center;
}

.btn-login {
    padding: 8px 15px;
    border-radius: 4px;
    font-weight: 500;
    transition: all 0.3s ease;
    text-decoration: none;
    color: #333;
}

.btn-signup {
    padding: 8px 15px;
    border-radius: 4px;
    font-weight: 500;
    transition: all 0.3s ease;
    text-decoration: none;
}

.btn {
    display: inline-block;
    font-size: 14px;
    line-height: 1.5;
    text-align: center;
    cursor: pointer;
    border: none;
    border-radius: 4px;
    padding: 8px 15px;
    transition: all 0.3s ease;
}

.btn-outline {
    background-color: transparent;
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
}

.btn-outline:hover {
    background-color: var(--primary-color);
    color: white;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
    border: 1px solid var(--primary-color);
}

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

/* Mobile Menu Button */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    background: none;
    border: none;
    z-index: 1001;
}

.mobile-menu-btn span {
    width: 25px;
    height: 3px;
    background-color: var(--dark-text);
    transition: all 0.3s ease;
}

.mobile-menu-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile Nav */
.mobile-nav {
    display: none;
    position: fixed;
    top: 70px;
    left: 0;
    width: 100%;
    background: var(--white);
    flex-direction: column;
    padding: 20px;
    box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
    transform: translateY(-100%);
    transition: transform 0.3s ease;
    z-index: 1000;
}

.mobile-nav.active {
    display: flex;
    transform: translateY(0);
}

.mobile-nav .nav-links {
    flex-direction: column;
    gap: 15px;
    margin-bottom: 20px;
    width: 100%;
    list-style: none;
}

.mobile-nav .nav-link {
    display: block;
    padding: 12px 20px;
    text-align: center;
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--dark-text);
    text-decoration: none;
    background-color: var(--light-bg);
    border-radius: 6px;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.mobile-nav .nav-link:hover {
    background-color: var(--primary-light);
    color: var(--white);
}

.mobile-nav .auth-buttons {
    flex-direction: column;
    gap: 15px;
    width: 100%;
    margin-bottom: 20px;
}

.mobile-nav .btn-login,
.mobile-nav .btn-signup {
    width: 100%;
    padding: 12px;
    font-size: 1.1rem;
    border-radius: 6px;
    text-align: center;
}

.mobile-nav .lang-switch {
    margin-top: 15px;
    display: flex;
    justify-content: center;
    width: 100%;
}

.mobile-nav .lang-toggle {
    display: flex;
    justify-content: center;
    align-items: center;
}

.mobile-nav .lang-dropdown {
    width: 100%;
    text-align: center;
    margin-top: 10px;
}

.mobile-nav .lang-option {
    padding: 10px;
    font-size: 1rem;
    background-color: var(--light-bg);
    border-radius: 6px;
    margin-bottom: 5px;
}

.mobile-nav .lang-option:hover {
    background-color: var(--primary-light);
    color: var(--white);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 15px 30px;
    border-radius: var(--border-radius);
    font-weight: 600;
    transition: var(--transition);
    text-decoration: none;
    border: none;
    cursor: pointer;
}

.btn-primary {
    background: var(--primary-color);
    color: var(--white);
    border: none;
    position: relative;
    overflow: hidden;
    z-index: 1;
    box-shadow: var(--box-shadow);
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-3px);
    box-shadow: var(--box-shadow);
}

.btn-large {
    padding: 16px 32px;
    font-size: 1.1rem;
}

/* Play Button */
.btn-play {
    display: flex;
    align-items: center;
    color: var(--primary-color);
    font-weight: 600;
    text-decoration: none;
}

.play-icon {
    display: inline-block;
    width: 40px;
    height: 40px;
    background-color: var(--primary-color);
    border-radius: 50%;
    margin-right: 10px;
    position: relative;
}

.play-icon::after {
    content: '';
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-40%, -50%);
    width: 0;
    height: 0;
    border-top: 8px solid transparent;
    border-left: 12px solid var(--white);
    border-bottom: 8px solid transparent;
}

section {
    width: 100%;
    box-sizing: border-box;
    scroll-margin-top: 120px;
    padding-top: 20px;
}

/* Section Header */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 2.8rem;
    font-weight: 800;
    margin-bottom: 20px;
    color: var(--dark-text);
}

.section-header h2 span {
    color: var(--primary-color);
}

.section-header p {
    color: var(--gray-text);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

/* Hero Section */
.hero {
    padding: 80px 0 100px;
    background-color: var(--background-color-white);
    position: relative;
    overflow: hidden;
    min-height: calc(90vh - 70px);
    display: flex;
    align-items: center;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%2330e03a' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.hero .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
}

.hero-content {
    flex: 1;
    max-width: 600px;
}

.hero-content h1 {
    font-size: 4rem;
    line-height: 1.1;
    margin-bottom: 30px;
    font-weight: 800;
    color: var(--dark-text);
}

.hero-content h1 span {
    color: var(--primary-color);
}

.hero-content p {
    font-size: 1.2rem;
    color: var(--gray-text);
    margin-bottom: 30px;
    max-width: 90%;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    margin-top: 32px;
}

.hero-image {
    flex: 1;
    display: flex;
    justify-content: center;
    position: relative;
}

.hero-image .main-image {
    max-width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: var(--box-shadow);
    transition: transform 0.4s ease;
    will-change: transform;
}

.floating-elements {
    position: absolute;
    width: 100%;
    height: 100%;
}

.floating-element {
    position: absolute;
    width: 60px;
    height: 60px;
    background-color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.floating-element img {
    width: 30px;
}

.element-1 {
    top: 10%;
    left: 0;
    animation: float 4s ease-in-out infinite;
}

.element-2 {
    top: 60%;
    left: -10%;
    animation: float 5s ease-in-out infinite;
}

.element-3 {
    top: 40%;
    right: -5%;
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

.hero-wave {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100px;
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="%23ffffff" fill-opacity="1" d="M0,192L48,176C96,160,192,128,288,122.7C384,117,480,139,576,149.3C672,160,768,160,864,144C960,128,1056,96,1152,90.7C1248,85,1344,107,1392,117.3L1440,128L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>') no-repeat bottom;
    background-size: cover;
}

/* Trusted By Section */
.trusted-by {
    padding: 100px 0;
    background-color: var(--white);
    text-align: center;
    scroll-margin-top: 120px;
}

.trusted-by p {
    color: var(--gray-text);
    font-size: 1.1rem;
    margin-bottom: 30px;
    font-weight: 500;
}

.brands {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 40px;
}

.brands img {
    max-width: 120px;
    height: auto;
    transition: transform 0.3s ease;
    filter: grayscale(100%);
    opacity: 0.7;
}

.brands img:hover {
    opacity: 1;
    filter: grayscale(0);
    transform: translateY(-5px);
}

/* Features Section */
.features {
    padding: 120px 0 100px;
    background-color: var(--background-color-white);
    scroll-margin-top: 120px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

@media (min-width: 1200px) {
    .features-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .features-grid .feature-card:nth-child(4),
    .features-grid .feature-card:nth-child(5) {
        grid-column: span 1.5;
    }
}

@media (min-width: 769px) and (max-width: 1199px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .features-grid .feature-card:nth-child(5) {
        grid-column: 1 / -1;
        max-width: 600px;
        margin: 0 auto;
    }
}

.feature-card {
    background-color: #fff;
    border-radius: 12px;
    padding: 30px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.feature-card h3 {
    margin: 15px 0;
    font-size: 1.5rem;
    font-weight: 600;
}

.feature-card p {
    margin-bottom: 20px;
    color: var(--gray-text);
    line-height: 1.6;
    flex-grow: 1;
}

.feature-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    display: inline-block;
    margin-top: auto;
    position: relative;
}

.feature-link:hover {
    text-decoration: underline;
}

.feature-icon {
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    background-color: rgba(48, 224, 58, 0.1);
    border-radius: 12px;
    transition: all 0.3s ease;
}

.feature-card:hover .feature-icon {
    transform: translateY(-5px);
    background-color: rgba(48, 224, 58, 0.2);
}

.feature-icon img {
    width: 32px;
    height: 32px;
}

/* Dashboard Preview Section */
.dashboard-preview {
    padding: 120px 0 100px;
    background-color: var(--white);
    scroll-margin-top: 120px;
    position: relative;
    overflow: hidden;
}

.dashboard-preview::after {
    content: '';
    position: absolute;
    width: 120%;
    height: 120%;
    top: -10%;
    left: -10%;
    background: radial-gradient(circle at center, rgba(48, 224, 58, 0.1) 0%, transparent 70%);
    z-index: -1;
}

.dashboard-preview .container {
    display: flex;
    align-items: center;
    gap: 50px;
}

.dashboard-content {
    flex: 1;
}

.dashboard-content h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 20px;
}

.dashboard-content p {
    color: var(--gray-text);
    font-size: 1.1rem;
    margin-bottom: 20px;
}

.dashboard-features {
    list-style: none;
}

.dashboard-features li {
    font-size: 1.1rem;
    margin-bottom: 10px;
    position: relative;
    padding-left: 25px;
}

.dashboard-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

.dashboard-image {
    flex: 1;
    position: relative;
}

.dashboard-image .main-image {
    width: 100%;
    border-radius: 10px;
    border: 2px solid var(--border-color);
    transform: perspective(1000px) rotateY(-8deg);
    transition: transform 0.5s ease;
    box-shadow: 30px 30px 60px var(--border-color);
}

.dashboard-image:hover .main-image {
    transform: perspective(1000px) rotateY(-2deg);
}

.dashboard-highlight {
    position: absolute;
    bottom: 20px;
    right: 20px;
    background-color: var(--primary-color);
    color: var(--white);
    padding: 15px 20px;
    border-radius: 8px;
    text-align: center;
}

.highlight-value {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
}

.highlight-label {
    font-size: 0.9rem;
}

/* Testimonials Section */
.testimonials {
    padding: 80px 0;
    background-color: var(--light-bg);
}

.testimonial-slider {
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none; /* Firefox */
}

.testimonial-slider::-webkit-scrollbar {
    display: none; /* Chrome/Safari */
}

.testimonial-card {
    flex: 0 0 100%;
    background-color: var(--white);
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    min-width: 100%;
    scroll-snap-align: start;
}

.testimonial-content {
    position: relative;
    margin-bottom: 20px;
}

.quote-icon {
    position: absolute;
    top: -10px;
    left: 0;
    font-size: 3rem;
    color: var(--primary-color);
    opacity: 0.1;
}

.testimonial-content p {
    font-style: italic;
    color: var(--gray-text);
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 15px;
}

.testimonial-author img {
    width: 50px;
    height: 50px;
    border-radius: 50%;
}

.author-info h4 {
    font-size: 1.1rem;
    font-weight: 600;
}

.author-info p {
    color: var(--gray-text);
    font-size: 0.9rem;
}

.slider-dots {
    text-align: center;
    margin-top: 20px;
}

.dot {
    display: inline-block;
    width: 10px;
    height: 10px;
    background-color: var(--light-gray);
    border-radius: 50%;
    margin: 0 5px;
    cursor: pointer;
}

.dot.active {
    background-color: var(--primary-color);
}

/* CTA Section */
.cta {
    padding: 120px 0;
    background-color: var(--background-color-white);
    scroll-margin-top: 120px;
}

.cta-card {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-color) 100%);
    position: relative;
    overflow: hidden;
    border-radius: 16px;
    padding: 60px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    box-shadow: var(--box-shadow);
    border: 2px solid var(--border-color);
}

.cta-card::before {
    content: '';
    position: absolute;
    width: 150%;
    height: 150%;
    top: -25%;
    left: -25%;
    background: radial-gradient(circle at center, rgba(255, 255, 255, 0.2) 0%, transparent 60%);
    animation: rotate 20s linear infinite;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.cta-content {
    margin-bottom: 40px;
}

.cta-content h2 {
    font-size: 2.2rem;
    color: var(--white);
    margin-bottom: 16px;
    font-weight: 700;
}

.cta-content h2 span {
    color: var(--accent-gold);
}

.cta-content p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.2rem;
}

.cta-form {
    display: flex;
    flex-direction: column;
    width: 100%;
    max-width: 500px;
    gap: 10px;
}

.cta-form input {
    flex: 1;
    padding: 14px 20px;
    border-radius: var(--border-radius);
    border: 1px solid transparent;
    background-color: rgba(255, 255, 255, 0.9);
    font-size: 16px;
    transition: var(--transition);
    width: 100%;
}

.cta-form input:focus {
    border-color: var(--primary-color);
    box-shadow: var(--box-shadow);
}

.cta-form button {
    padding: 14px 24px;
    border-radius: var(--border-radius);
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: var(--white);
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    width: 100%;
}

.cta-form button:hover {
    transform: translateY(-2px);
    box-shadow: var(--box-shadow);
}

/* Footer Styles */
.footer {
    background-color: var(--white);
    position: relative;
    overflow: hidden;
    color: var(--dark-text);
    padding: 60px 0 20px;
    margin-top: auto;
    border-top: 2px solid var(--border-color);
    flex-shrink: 0;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--primary-light));
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 20px;
}

.footer-col h4 {
    font-size: 1.2rem;
    margin-bottom: 20px;
    color: var(--primary-color);
    font-weight: 600;
}

.footer-col ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

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

.footer-col ul li a {
    color: var(--dark-text);
    text-decoration: none;
    transition: var(--transition);
}

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

.footer-about p {
    margin: 20px 0;
    color: var(--dark-text);
}

.footer img.footer-logo {
    height: 60px;
    width: auto;
    margin-bottom: 15px;
}

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

.social-links a img {
    width: 24px;
    height: 24px;
    transition: var(--transition);
}

.social-links a:hover img {
    transform: translateY(-3px);
}

.contact-info li {
    margin-bottom: 10px;
    color: var(--dark-text);
}

.contact-info li a {
    color: var(--dark-text);
    text-decoration: none;
    transition: var(--transition);
    display: inline-block;
}

.contact-info li a:hover {
    color: var(--primary-color);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid rgba(0, 0, 0, 0.1);
    padding-top: 20px;
    font-size: 0.9rem;
}

.footer-links {
    display: flex;
    gap: 20px;
}

.footer-links a {
    color: var(--dark-text);
    text-decoration: none;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--primary-color);
}

/* Careers Page */
.careers {
    padding: 80px 0 40px; /* Giảm padding để giảm khoảng trống */
    background-color: var(--light-bg);
    min-height: calc(100vh - 140px); /* Đảm bảo chiều cao tối thiểu trừ header và footer */
    display: flex;
    align-items: center;
    justify-content: center;
}

.careers-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    padding: 0 20px;
}

.careers-content h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 15px;
}

.careers-content p {
    color: var(--gray-text);
    font-size: 1.1rem;
    margin-bottom: 20px;
}

/* Contact Page */
.contact {
    padding: 80px 0 40px; /* Giảm padding để giảm khoảng trống */
    background-color: var(--background-color-white);
    min-height: calc(100vh - 140px); /* Đảm bảo chiều cao tối thiểu trừ header và footer */
    display: flex;
    align-items: center;
    justify-content: center;
}

.contact-content {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
    padding: 0 20px;
}

.contact-content h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 15px;
}

.contact-content p {
    color: var(--gray-text);
    font-size: 1.1rem;
    margin-bottom: 30px;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-form input,
.contact-form textarea {
    padding: 15px;
    border: 1px solid var(--light-gray);
    border-radius: 6px;
    font-family: 'Montserrat', sans-serif;
    font-size: 1rem;
    width: 100%;
    box-sizing: border-box;
}

.contact-form textarea {
    resize: vertical;
}

.contact-form button {
    align-self: center;
    padding: 12px 30px;
}

/* Stats Section */
.stats {
    padding: 80px 0;
    background-color: var(--white);
    position: relative;
    overflow: hidden;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    text-align: center;
}

.stat-item {
    padding: 30px;
    background: rgba(255, 255, 255, 0.9);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.stat-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px var(--border-color);
}

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    color: var(--primary-color);
    margin-bottom: 10px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.stat-label {
    font-size: 1.1rem;
    color: var(--gray-text);
    font-weight: 500;
}

/* Responsive Adjustments */
@media (max-width: 768px) {
    /* Navigation mobile */
    .main-nav {
        display: none;
    }

    .header-actions .auth-buttons {
        display: none;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .mobile-nav.active {
        display: flex;
    }

    /* Hero section mobile */
    .hero {
        padding: 40px 0 60px;
        min-height: auto;
    }

    .hero-content h1 {
        font-size: 2rem;
    }

    .hero-content p {
        font-size: 0.9rem;
    }

    .hero .container,
    .dashboard-preview .container {
        flex-direction: column;
        text-align: center;
        gap: 20px;
    }

    .hero-buttons {
        justify-content: center;
    }

    .hero-image,
    .dashboard-image {
        margin-top: 20px;
    }

    /* Trusted by section mobile */
    .trusted-by {
        padding: 30px 0;
    }

    .brands {
        gap: 20px;
    }

    .brands img {
        max-width: 80px;
    }

    /* Features section mobile */
    .features {
        padding: 60px 0;
    }

    .features-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .feature-card {
        padding: 25px;
    }

    /* Dashboard preview mobile */
    .dashboard-preview {
        padding: 60px 0;
    }

    .dashboard-content ul {
        padding-left: 0;
    }

    .dashboard-highlight {
        display: none;
    }

    /* CTA section mobile */
    .cta {
        padding: 40px 0;
    }

    .cta-card {
        flex-direction: column;
        text-align: center;
        padding: 30px;
        gap: 15px;
    }

    .cta-form {
        flex-direction: column;
        max-width: 100%;
        gap: 10px;
    }

    .cta-form input {
        width: 100%;
    }

    .cta-form button {
        width: 100%;
    }

    /* Footer mobile */
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
        text-align: center;
    }
    
    .social-links {
        justify-content: center;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
    
    .footer-links {
        justify-content: center;
    }

    /* Section headers mobile */
    .section-header {
        margin-bottom: 30px;
    }

    .section-header h2 {
        font-size: 2rem;
    }

    .section-header p {
        font-size: 1rem;
    }

    .cta-content h2 {
        font-size: 1.8rem;
    }

    .cta-content p {
        font-size: 1rem;
    }

    .footer-col h4 {
        font-size: 1rem;
    }

    .footer-col ul li {
        margin-bottom: 8px;
    }

    .footer-bottom {
        font-size: 0.8rem;
    }
}

@media (min-width: 769px) {
    .mobile-menu-btn {
        display: none;
    }

    .mobile-nav {
        display: none !important;
    }

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

    .hero-content {
        flex: 1;
        padding-right: 50px;
    }

    .hero-image {
        flex: 1;
    }

    .features-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .footer-grid {
        grid-template-columns: repeat(5, 1fr);
    }

    .cta-card {
        flex-direction: row;
        text-align: left;
    }

    .cta-content {
        flex: 1;
    }

    .cta-form {
        flex: 1;
        max-width: 400px;
    }
}

@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 2.2rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
}

.header-logo {
    height: 60px;
}

/* Giới hạn animation lặp vô hạn */
@media (prefers-reduced-motion: reduce) {
    .animate__animated {
        animation: none !important;
        transition-duration: 0s !important;
    }

    .animate__pulse.animate__infinite {
        animation: none !important;
    }

    .dashboard-highlight {
        animation: none !important;
    }

    * {
        transition-duration: 0s !important;
    }
}

/* Tăng contrast ratio cho accessible text */
.section-header p, 
.feature-card p,
.dashboard-content p,
.footer-about p {
    color: var(--dark-text);
    opacity: 0.9;
}

/* Form styles và validation */
.form-group {
    position: relative;
    width: 100%;
    margin-bottom: 10px;
}

.error-message {
    color: var(--error-color);
    font-size: 14px;
    margin-top: 5px;
    min-height: 20px;
}

input:invalid {
    border-color: var(--error-color);
}

/* Solution Page Styles */
.solution-hero {
    padding: 100px 0;
}

.solution-features {
    padding: 100px 0;
    background-color: var(--white);
}

.solution-detail {
    display: flex;
    align-items: center;
    margin-bottom: 80px;
    gap: 50px;
    position: relative;
    flex-wrap: wrap;
}

.solution-detail.reverse {
    flex-direction: row-reverse;
}

.solution-image {
    flex: 0 0 250px;
    text-align: center;
    padding: 30px;
    background-color: rgba(48, 224, 58, 0.05);
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(48, 224, 58, 0.1);
    margin: 0 auto;
}

.solution-image img {
    max-width: 120px;
    height: auto;
    filter: drop-shadow(0 10px 10px rgba(48, 224, 58, 0.2));
}

.solution-content {
    flex: 1;
    min-width: 300px;
}

.solution-content h3 {
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--dark-text);
}

.solution-content p {
    margin-bottom: 20px;
    font-size: 1.1rem;
    line-height: 1.7;
    color: var(--gray-text);
}

.solution-features-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.solution-features-list li {
    position: relative;
    padding-left: 28px;
    margin-bottom: 15px;
    font-size: 1.05rem;
}

.solution-features-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

.integration-section {
    padding: 100px 0;
    background-color: var(--background-color-white);
}

.integration-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.integration-item {
    background: var(--white);
    border-radius: var(--border-radius);
    padding: 30px;
    box-shadow: 0 5px 15px rgba(48, 224, 58, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.integration-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(48, 224, 58, 0.15);
}

.integration-item h4 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: var(--primary-color);
}

.integration-item p {
    color: var(--gray-text);
}

.tech-specs {
    padding: 100px 0;
    background-color: var(--white);
}

.specs-table {
    max-width: 800px;
    margin: 50px auto 0;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(48, 224, 58, 0.08);
}

.specs-row {
    display: flex;
}

.specs-row:nth-child(even) {
    background-color: rgba(48, 224, 58, 0.05);
}

.specs-label, .specs-value {
    padding: 15px 20px;
    font-size: 1.05rem;
}

.specs-label {
    flex: 0 0 40%;
    background-color: rgba(48, 224, 58, 0.1);
    font-weight: 600;
}

.specs-value {
    flex: 1;
}

@media (max-width: 768px) {
    .solution-detail, 
    .solution-detail.reverse {
        flex-direction: column;
        text-align: center;
        gap: 30px;
    }
    
    .solution-image {
        width: 100%;
        max-width: 250px;
        margin: 0 auto;
    }
    
    .solution-features-list li {
        text-align: left;
    }
    
    .specs-row {
        flex-direction: column;
    }
    
    .specs-label, .specs-value {
        padding: 10px 15px;
    }
    
    .specs-label {
        flex: 0 0 100%;
    }
}

/* Careers Page Styles */
.careers-hero {
    padding: 120px 0 80px;
    background-color: var(--background-color-white);
    text-align: center;
}

.careers-hero-content h1 {
    font-size: 2.8rem;
    margin-bottom: 20px;
    color: var(--dark-text);
}

.careers-hero-content h1 span {
    color: var(--primary-color);
}

.careers-hero-content p {
    font-size: 1.2rem;
    max-width: 800px;
    margin: 0 auto;
    color: var(--gray-text);
}

.job-listings {
    padding: 100px 0;
    background-color: var(--off-white);
}

.job-list {
    margin-top: 50px;
}

.job-card {
    background-color: var(--off-white);
    border-radius: var(--border-radius);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
    padding: 40px;
    margin-bottom: 30px;
    transition: all 0.3s ease;
}

.job-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.job-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 20px;
    border-bottom: 1px solid #eee;
}

.job-header h3 {
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--dark-text);
    margin: 0;
}

.job-type {
    display: inline-block;
    padding: 6px 15px;
    background-color: rgba(48, 224, 58, 0.1);
    color: var(--primary-color);
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 500;
}

.job-info {
    display: flex;
    justify-content: space-between;
    margin-bottom: 25px;
}

.job-info p {
    margin: 0;
    color: var(--gray-text);
}

.job-info strong {
    color: var(--dark-text);
}

.job-description {
    margin-bottom: 30px;
}

.job-description p {
    line-height: 1.7;
    color: var(--gray-text);
    margin-bottom: 25px;
}

.job-details h4 {
    font-size: 1.3rem;
    font-weight: 600;
    margin: 25px 0 15px;
    color: var(--dark-text);
}

.job-details ul {
    padding-left: 20px;
}

.job-details li {
    margin-bottom: 10px;
    color: var(--gray-text);
    position: relative;
}

.apply-btn {
    display: inline-block;
    padding: 12px 30px;
    font-weight: 500;
}

.apply-section {
    padding: 100px 0;
    background-color: var(--off-white);
}

.apply-card {
    background-color: var(--off-white);
    border-radius: var(--border-radius);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
    padding: 50px;
    max-width: 800px;
    margin: 0 auto;
}

.apply-form {
    margin-top: 40px;
}

.apply-form .form-group {
    margin-bottom: 25px;
}

.apply-form label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--dark-text);
}

.apply-form input[type="text"],
.apply-form input[type="email"],
.apply-form input[type="tel"],
.apply-form select,
.apply-form textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    font-family: inherit;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.apply-form input[type="file"] {
    padding: 10px 0;
}

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

.company-culture {
    padding: 100px 0;
    background-color: var(--white);
}

.culture-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 40px;
    margin-top: 50px;
}

.culture-item {
    text-align: center;
    padding: 30px;
    border-radius: var(--border-radius);
    transition: all 0.3s ease;
}

.culture-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

.culture-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(48, 224, 58, 0.1);
    border-radius: 50%;
}

.culture-item h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--dark-text);
}

.culture-item p {
    color: var(--gray-text);
    line-height: 1.7;
}

@media (max-width: 768px) {
    .careers-hero {
        padding: 80px 0 60px;
    }
    
    .careers-hero-content h1 {
        font-size: 2.2rem;
    }
    
    .job-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .job-type {
        margin-top: 10px;
    }
    
    .job-info {
        flex-direction: column;
    }
    
    .job-info p:first-child {
        margin-bottom: 10px;
    }
    
    .apply-card {
        padding: 30px;
    }
    
    .culture-grid {
        grid-template-columns: 1fr;
    }
}

/* Modal Popup Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
}

.modal-content {
    background-color: var(--white);
    margin: 10% auto;
    padding: 40px;
    border-radius: var(--border-radius);
    max-width: 600px;
    box-shadow: 0 5px 30px rgba(0, 0, 0, 0.2);
    position: relative;
    animation: modalFadeIn 0.3s ease;
}

@keyframes modalFadeIn {
    from {opacity: 0; transform: translateY(-20px);}
    to {opacity: 1; transform: translateY(0);}
}

.close-button {
    position: absolute;
    top: 20px;
    right: 20px;
    font-size: 30px;
    font-weight: 700;
    color: #aaa;
    cursor: pointer;
    transition: color 0.3s ease;
}

.close-button:hover {
    color: var(--dark-text);
}

.modal h3 {
    font-size: 1.8rem;
    margin-bottom: 20px;
    color: var(--dark-text);
}

.modal p {
    margin-bottom: 15px;
    line-height: 1.6;
}

.email-highlight {
    background-color: rgba(48, 224, 58, 0.1);
    color: var(--primary-color);
    padding: 15px;
    border-radius: 6px;
    font-size: 1.2rem;
    font-weight: 600;
    text-align: center;
    margin: 20px 0;
    border: 1px dashed var(--primary-color);
}

.modal ul {
    margin: 15px 0 25px 20px;
}

.modal ul li {
    margin-bottom: 8px;
}

.button-group {
    display: flex;
    gap: 15px;
    margin-top: 30px;
}

.btn-secondary {
    background-color: #eee;
    color: var(--dark-text);
}

.btn-secondary:hover {
    background-color: #ddd;
}

/* Apply Info Styles */
.apply-info {
    text-align: center;
    margin: 40px 0;
}

.apply-info p {
    margin-bottom: 15px;
    font-size: 1.1rem;
}

.email-box {
    background-color: rgba(48, 224, 58, 0.1);
    border: 2px dashed var(--primary-color);
    padding: 20px;
    border-radius: var(--border-radius);
    margin: 20px auto;
    max-width: 400px;
    font-size: 1.4rem;
}

#apply-now-btn {
    margin: 0 auto;
    display: block;
    padding: 15px 50px;
    font-size: 1.2rem;
}

/* Mobile menu styles */
@media (max-width: 991px) {
    .auth-buttons {
        margin-top: 20px;
        flex-direction: column;
        width: 100%;
    }
    
    .btn-login, .btn-signup {
        width: 100%;
        text-align: center;
        padding: 12px;
    }
}

.footer-map {
    margin: 0 auto 30px;
    width: 100%;
    max-width: 100%;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

.footer-map iframe {
    width: 100%;
    height: 300px;
    border: 0;
    display: block;
}

.contact-info li.address {
    padding-left: 0;
    line-height: 1.5;
    margin-top: 15px;
    font-style: normal;
}

@media (min-width: 992px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr 1fr;
    }
    
    .footer-map {
        grid-column: 1 / -1;
    }
}

@media (max-width: 768px) {
    .footer-map {
        margin-bottom: 20px;
    }
    
    .footer-map iframe {
        height: 250px;
    }
    
    .contact-info li.address {
        font-size: 0.9rem;
    }
}