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

/* Global Styles */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f4f4f4;
}

a {
    text-decoration: none;
    color: #333;
}

ul {
    list-style: none;
}

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

/* Container */
.header-container, .nav-container, .hero-container, .about-container, .services-container, .features-container, .testimonials-container, .footer-container,
.breadcrumb-container, .du-thuong-container, .methods-container, .tools-container, .tips-container, .expert-container,
.lottery-results-container, .results-history-container,
.tro-choi-container, .games-container, .rewards-container, .how-to-play-container, .rules-container,
.tai-app-container, .download-buttons-container, .app-features-container, .how-to-install-container, .app-faq-container,
.huong-dan-dang-nhap-container, .steps-container, .forgot-password-container, .troubleshooting-container,
.faq-container, .faq-items-container,
.lien-he-container, .contact-info-container, .contact-form-container, .map-container,
.about-us-container, .our-mission-container, .why-choose-us-container, .our-team-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.header {
    background-color: #fff;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

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

.logo {
    font-size: 24px;
    font-weight: bold;
    color: #e74c3c;
}

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

.login-btn, .register-btn {
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-weight: bold;
    transition: all 0.3s ease;
}

.login-btn {
    background-color: #fff;
    color: #e74c3c;
    border: 2px solid #e74c3c;
}

.login-btn:hover {
    background-color: #e74c3c;
    color: #fff;
}

.register-btn {
    background-color: #e74c3c;
    color: #fff;
}

.register-btn:hover {
    background-color: #c0392b;
}

/* Navigation */
.navigation {
    background-color: #e74c3c;
    color: #fff;
}

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

.nav-menu {
    display: flex;
    gap: 20px;
}

.nav-link {
    color: #fff;
    padding: 15px 0;
    display: block;
    transition: all 0.3s ease;
    font-weight: bold;
}

.nav-link:hover {
    color: #f39c12;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: #fff;
    font-size: 24px;
    cursor: pointer;
}

.mobile-menu {
    display: none;
    background-color: #e74c3c;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.mobile-nav-menu {
    padding: 10px 0;
}

.mobile-nav-link {
    color: #fff;
    padding: 15px 20px;
    display: block;
    transition: all 0.3s ease;
    font-weight: bold;
}

.mobile-nav-link:hover {
    background-color: #c0392b;
    color: #f39c12;
}

/* Main Content */
.main-content {
    min-height: calc(100vh - 200px);
}

/* Hero Section */
.hero {
    background: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)), url('../images/hero-bg.jpg') center/cover no-repeat;
    color: #fff;
    padding: 100px 0;
    text-align: center;
}

.hero h1 {
    font-size: 48px;
    margin-bottom: 20px;
    animation: fadeInUp 1s ease;
}

.hero p {
    font-size: 20px;
    margin-bottom: 30px;
    animation: fadeInUp 1s ease 0.2s both;
}

.hero-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    animation: fadeInUp 1s ease 0.4s both;
}

.btn {
    padding: 15px 30px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 18px;
    font-weight: bold;
    transition: all 0.3s ease;
}

.btn-primary {
    background-color: #e74c3c;
    color: #fff;
}

.btn-primary:hover {
    background-color: #c0392b;
    transform: translateY(-2px);
}

.btn-secondary {
    background-color: #fff;
    color: #e74c3c;
}

.btn-secondary:hover {
    background-color: #f39c12;
    color: #fff;
    transform: translateY(-2px);
}

/* About Section */
.about {
    padding: 80px 0;
    background-color: #fff;
}

.about h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 50px;
    color: #333;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.about-text p {
    margin-bottom: 20px;
    font-size: 16px;
    color: #666;
}

.about-image img {
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

/* Services Section */
.services {
    padding: 80px 0;
    background-color: #f4f4f4;
}

.services h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 50px;
    color: #333;
}

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

.service-item {
    background-color: #fff;
    padding: 30px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.service-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.service-item i {
    font-size: 48px;
    color: #e74c3c;
    margin-bottom: 20px;
}

.service-item h3 {
    font-size: 24px;
    margin-bottom: 15px;
    color: #333;
}

.service-item p {
    color: #666;
}

/* Features Section */
.features {
    padding: 80px 0;
    background-color: #fff;
}

.features h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 50px;
    color: #333;
}

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

.feature-item {
    background-color: #f4f4f4;
    padding: 30px;
    border-radius: 10px;
    text-align: center;
    transition: all 0.3s ease;
}

.feature-item:hover {
    background-color: #e74c3c;
    color: #fff;
    transform: translateY(-5px);
}

.feature-item i {
    font-size: 48px;
    color: #e74c3c;
    margin-bottom: 20px;
    transition: all 0.3s ease;
}

.feature-item:hover i {
    color: #fff;
}

.feature-item h3 {
    font-size: 24px;
    margin-bottom: 15px;
    color: #333;
    transition: all 0.3s ease;
}

.feature-item:hover h3 {
    color: #fff;
}

.feature-item p {
    color: #666;
    transition: all 0.3s ease;
}

.feature-item:hover p {
    color: #fff;
}

/* Testimonials Section */
.testimonials {
    padding: 80px 0;
    background-color: #f4f4f4;
}

.testimonials h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 50px;
    color: #333;
}

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

.testimonial-item {
    background-color: #fff;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.testimonial-content {
    margin-bottom: 30px;
}

.testimonial-content p {
    font-style: italic;
    color: #666;
    line-height: 1.8;
}

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

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

.testimonial-author h4 {
    font-size: 18px;
    color: #333;
    margin-bottom: 5px;
}

.testimonial-author p {
    font-size: 14px;
    color: #999;
}

/* Breadcrumb */
.breadcrumb {
    background-color: #f4f4f4;
    padding: 15px 0;
    margin-bottom: 30px;
    border-bottom: 1px solid #e0e0e0;
}

.breadcrumb-container {
    font-size: 14px;
    color: #666;
}

.breadcrumb-container a {
    color: #e74c3c;
    text-decoration: none;
}

.breadcrumb-container a:hover {
    text-decoration: underline;
}

/* Du Thuong */
.du-thuong, .tro-choi, .tai-app, .huong-dan-dang-nhap, .faq, .lien-he, .about-us {
    padding: 50px 0;
    background-color: #fff;
    margin-bottom: 30px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

/* About Us */
.about-us h1 {
    text-align: center;
    margin-bottom: 30px;
    color: #333;
    font-size: 32px;
}

.about-us-content {
    display: flex;
    gap: 30px;
    align-items: center;
    flex-wrap: wrap;
}

.about-us-image, .about-us-text {
    flex: 1;
    min-width: 300px;
}

.about-us-text p {
    margin-bottom: 15px;
    color: #666;
    line-height: 1.8;
}

/* Our Mission */
.our-mission {
    padding: 50px 0;
    background-color: #f4f4f4;
    margin-bottom: 30px;
}

.our-mission h2 {
    text-align: center;
    margin-bottom: 40px;
    color: #333;
    font-size: 28px;
}

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

.mission-item {
    background-color: #fff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

.mission-item i {
    font-size: 40px;
    color: #e74c3c;
    margin-bottom: 20px;
}

.mission-item h3 {
    margin-bottom: 15px;
    color: #333;
    font-size: 20px;
}

.mission-item p {
    color: #666;
    line-height: 1.8;
}

/* Why Choose Us */
.why-choose-us {
    padding: 50px 0;
    background-color: #fff;
    margin-bottom: 30px;
}

.why-choose-us h2 {
    text-align: center;
    margin-bottom: 40px;
    color: #333;
    font-size: 28px;
}

.choose-us-content {
    display: flex;
    gap: 30px;
    align-items: center;
    flex-wrap: wrap;
}

.choose-us-text, .choose-us-image {
    flex: 1;
    min-width: 300px;
}

.choose-us-text p {
    margin-bottom: 20px;
    color: #666;
    line-height: 1.8;
}

.choose-us-text ul {
    list-style: none;
    padding: 0;
}

.choose-us-text ul li {
    margin-bottom: 15px;
    color: #666;
    line-height: 1.8;
    display: flex;
    align-items: flex-start;
}

.choose-us-text ul li i {
    color: #e74c3c;
    margin-right: 10px;
    margin-top: 5px;
    flex-shrink: 0;
}

/* Our Team */
.our-team {
    padding: 50px 0;
    background-color: #f4f4f4;
    margin-bottom: 30px;
}

.our-team h2 {
    text-align: center;
    margin-bottom: 40px;
    color: #333;
    font-size: 28px;
}

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

.team-member {
    background-color: #fff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

.team-member img {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    object-fit: cover;
    margin-bottom: 20px;
    border: 3px solid #e74c3c;
}

.team-member h3 {
    margin-bottom: 5px;
    color: #333;
    font-size: 20px;
}

.team-member p {
    color: #666;
    margin: 0;
}

.du-thuong h1, .tro-choi h1, .tai-app h1, .huong-dan-dang-nhap h1, .faq h1, .lien-he h1 {
    text-align: center;
    margin-bottom: 30px;
    color: #333;
    font-size: 32px;
}

.du-thuong-content, .tro-choi-content, .tai-app-content, .huong-dan-dang-nhap-content, .faq-content, .lien-he-content {
    display: flex;
    gap: 30px;
    align-items: center;
    flex-wrap: wrap;
}

.du-thuong-image, .tro-choi-image, .tai-app-image, .huong-dan-dang-nhap-image, .faq-image, .lien-he-image {
    flex: 1;
    min-width: 300px;
}

.du-thuong-text, .tro-choi-text, .tai-app-text, .huong-dan-dang-nhap-text, .faq-text, .lien-he-text {
    flex: 1;
    min-width: 300px;
}

.du-thuong-text p, .tro-choi-text p, .tai-app-text p, .huong-dan-dang-nhap-text p, .faq-text p, .lien-he-text p {
    margin-bottom: 15px;
    color: #666;
    line-height: 1.8;
}

/* Methods */
.methods, .tools, .tips, .expert,
.games, .rewards, .how-to-play, .rules,
.download-buttons, .app-features, .how-to-install, .app-faq,
.steps, .forgot-password, .tips, .troubleshooting,
.faq-items,
.contact-info, .contact-form, .map {
    padding: 50px 0;
    margin-bottom: 30px;
    background-color: #f4f4f4;
}

.methods h2, .tools h2, .tips h2, .expert h2,
.games h2, .rewards h2, .how-to-play h2, .rules h2,
.download-buttons h2, .app-features h2, .how-to-install h2, .app-faq h2,
.steps h2, .forgot-password h2, .tips h2, .troubleshooting h2,
.faq-items h2,
.contact-info h2, .contact-form h2, .map h2 {
    text-align: center;
    margin-bottom: 40px;
    color: #333;
    font-size: 28px;
}

.methods-grid, .tools-content, .tips-grid, .expert-content,
.games-grid, .rewards-grid, .how-to-play-content, .rules-content,
.buttons-grid, .app-features .features-grid, .how-to-install .steps,
.contact-info-grid, .contact-form-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

/* FAQ Items Container */
.faq-items-container {
    display: flex;
    flex-direction: column;
    gap: 40px;
}

/* FAQ Group */
.faq-group {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.method-item, .tool-item, .tip-item, .expert-profile, .expert-quote,
.game-item, .reward-item, .step-item, .trouble-item,
.download-btn, .app-faq .faq-item,
.contact-item, .form-group {
    background-color: #fff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.method-item:hover, .tool-item:hover, .tip-item:hover, .expert-profile:hover,
.game-item:hover, .reward-item:hover, .step-item:hover,
.download-btn:hover, .app-faq .faq-item:hover,
.contact-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.method-item i, .tool-item i, .tip-item i, .contact-item i {
    font-size: 40px;
    color: #e74c3c;
    margin-bottom: 20px;
    display: block;
    text-align: center;
}

.method-item h3, .tool-item h3, .tip-item h3, .expert-profile h3,
.game-item h3, .reward-item h3, .step-item h3,
.download-btn h3, .app-faq .faq-item h3,
.contact-item h3 {
    margin-bottom: 15px;
    color: #333;
    text-align: center;
    font-size: 20px;
}

.method-item p, .tool-item p, .tip-item p, .expert-profile p,
.game-item p, .reward-item p, .step-item p,
.download-btn p, .app-faq .faq-item p,
.contact-item p {
    color: #666;
    text-align: center;
    line-height: 1.8;
}

/* FAQ Category */
.faq-category {
    background-color: #fff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.faq-category h2 {
    text-align: left;
    margin-bottom: 20px;
    font-size: 24px;
    color: #333;
    border-bottom: 2px solid #e74c3c;
    padding-bottom: 10px;
}

/* FAQ Item */
.faq-item {
    background-color: #f9f9f9;
    margin-bottom: 15px;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 1px 5px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.faq-item:hover {
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
}

/* FAQ Question */
.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    cursor: pointer;
    background-color: #fff;
    transition: background-color 0.3s ease;
}

.faq-question:hover {
    background-color: #f4f4f4;
}

.faq-question h3 {
    margin: 0;
    font-size: 18px;
    color: #333;
    text-align: left;
    font-weight: 600;
}

.faq-question i {
    font-size: 14px;
    color: #e74c3c;
    transition: transform 0.3s ease;
}

/* FAQ Answer */
.faq-answer {
    padding: 0 20px;
    max-height: 0;
    overflow: hidden;
    transition: all 0.3s ease;
    background-color: #fff;
}

.faq-answer.active {
    padding: 20px;
    max-height: 200px;
}

.faq-answer p {
    margin: 0;
    color: #666;
    line-height: 1.8;
    text-align: left;
}

/* Steps */
.steps-grid .step-item {
    display: flex;
    gap: 20px;
    align-items: flex-start;
    background: transparent;
    box-shadow: none;
    padding: 0;
}

.step-number {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: #e74c3c;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: bold;
    flex-shrink: 0;
}

.step-info h3 {
    text-align: left;
    margin-bottom: 10px;
}

.step-info p {
    text-align: left;
    margin-bottom: 0;
}

/* Lottery Results */
.lottery-results {
    padding: 50px 0;
    background-color: #fff;
    margin-bottom: 30px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.lottery-results h1 {
    text-align: center;
    margin-bottom: 20px;
    color: #333;
    font-size: 32px;
}

.results-date {
    text-align: center;
    margin-bottom: 30px;
    font-size: 18px;
    color: #666;
}

.province-tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 30px;
    overflow-x: auto;
    padding-bottom: 10px;
}

.tab-btn {
    padding: 10px 20px;
    border: 1px solid #e0e0e0;
    background-color: #f9f9f9;
    border-radius: 20px;
    cursor: pointer;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.tab-btn.active {
    background-color: #e74c3c;
    color: #fff;
    border-color: #e74c3c;
}

.results-tab {
    display: none;
}

.results-tab.active {
    display: block;
}

.results-table {
    background-color: #f9f9f9;
    padding: 20px;
    border-radius: 8px;
}

.results-table h3 {
    margin-bottom: 20px;
    color: #333;
}

.results-table table {
    width: 100%;
    border-collapse: collapse;
}

.results-table th, .results-table td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid #e0e0e0;
}

.results-table th {
    background-color: #f4f4f4;
    font-weight: bold;
    color: #333;
}

.results-table tr:hover {
    background-color: #fff;
}

.results-history {
    padding: 50px 0;
    background-color: #f4f4f4;
}

.history-search {
    display: flex;
    gap: 15px;
    margin-bottom: 30px;
    flex-wrap: wrap;
    align-items: center;
}

.history-search input, .history-search select {
    padding: 10px;
    border: 1px solid #e0e0e0;
    border-radius: 5px;
    flex: 1;
    min-width: 200px;
}

.history-list {
    background-color: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.history-item {
    border-bottom: 1px solid #e0e0e0;
}

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

.history-item a {
    display: block;
    padding: 20px;
    color: #333;
    text-decoration: none;
    transition: background-color 0.3s ease;
}

.history-item a:hover {
    background-color: #f9f9f9;
}

.history-date {
    font-weight: bold;
    margin-right: 10px;
}

/* Games */
.games {
    background-color: #f4f4f4;
}

.game-image {
    margin-bottom: 20px;
}

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

.game-info h3 {
    margin-bottom: 15px;
    color: #333;
    text-align: left;
}

.game-info p {
    margin-bottom: 20px;
    color: #666;
    text-align: left;
}

/* Download Buttons */
.download-buttons {
    background-color: #f4f4f4;
}

.download-btn {
    display: flex;
    gap: 15px;
    align-items: center;
    text-decoration: none;
    color: #333;
    background-color: #fff;
}

.download-btn i {
    font-size: 40px;
    color: #333;
}

.download-btn.android i {
    color: #3ddc84;
}

.download-btn.ios i {
    color: #000;
}

.download-btn.qr i {
    color: #1da1f2;
}

.btn-text span {
    display: block;
    font-weight: bold;
    font-size: 18px;
}

.btn-text p {
    font-size: 14px;
    color: #666;
    margin: 0;
}

/* FAQ */
.faq-items {
    background-color: #f4f4f4;
}

.faq-category {
    margin-bottom: 40px;
}

.faq-category h2 {
    text-align: left;
    margin-bottom: 20px;
    font-size: 24px;
    color: #333;
    border-bottom: 2px solid #e74c3c;
    padding-bottom: 10px;
}

.faq-item {
    background-color: #fff;
    margin-bottom: 15px;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    cursor: pointer;
    background-color: #f9f9f9;
    transition: background-color 0.3s ease;
}

.faq-question:hover {
    background-color: #f4f4f4;
}

.faq-question h3 {
    margin: 0;
    font-size: 16px;
    color: #333;
    text-align: left;
}

.faq-answer {
    padding: 0 20px;
    max-height: 0;
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-answer.active {
    padding: 20px;
    max-height: 200px;
}

.faq-answer p {
    margin: 0;
    color: #666;
    line-height: 1.8;
}

/* Contact */
.contact-form {
    background-color: #fff;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.form-group {
    margin-bottom: 20px;
    background: transparent;
    box-shadow: none;
    padding: 0;
}

.form-group label {
    display: block;
    margin-bottom: 10px;
    color: #333;
    font-weight: bold;
}

.form-group input, .form-group textarea {
    width: 100%;
    padding: 15px;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    font-size: 16px;
    transition: border-color 0.3s ease;
}

.form-group input:focus, .form-group textarea:focus {
    border-color: #e74c3c;
    outline: none;
    box-shadow: 0 0 0 2px rgba(231, 76, 60, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 150px;
}

/* Map */
.map {
    background-color: #f4f4f4;
}

.map-embed iframe {
    width: 100%;
    height: 450px;
    border: 0;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

/* Footer */
.footer {
    background-color: #333;
    color: #fff;
    padding: 50px 0 20px;
}

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

.footer-item h3 {
    font-size: 20px;
    margin-bottom: 20px;
    color: #e74c3c;
}

.footer-item p {
    color: #999;
    margin-bottom: 15px;
}

.footer-item ul li {
    margin-bottom: 10px;
    color: #999;
}

.footer-item ul li i {
    margin-right: 10px;
    color: #e74c3c;
}

.footer-item a {
    color: #999;
    transition: all 0.3s ease;
}

.footer-item a:hover {
    color: #e74c3c;
}

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

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: #444;
    color: #fff;
    transition: all 0.3s ease;
}

.social-links a:hover {
    background-color: #e74c3c;
    transform: translateY(-5px);
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid #444;
    color: #999;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }

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

    .mobile-menu.active {
        display: block;
    }

    .hero h1 {
        font-size: 36px;
    }

    .hero p {
        font-size: 16px;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

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

    .services-grid,
    .features-grid,
    .testimonials-grid,
    .footer-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .header-container {
        flex-direction: column;
        gap: 15px;
    }

    .hero h1 {
        font-size: 28px;
    }

    .btn {
        padding: 12px 24px;
        font-size: 16px;
    }

    .about h2,
    .services h2,
    .features h2,
    .testimonials h2 {
        font-size: 28px;
    }
}