body {
    background-color: #e0e7ff;
}

a {
    text-decoration: none;
}

.mt-5r {
    margin-top: 5rem;
}

.menu-link {
    color: #ffffff;
    text-decoration: underline;
}

.navbar {
    background-color: #44468B;
    padding: 10px 0;
}

.navbar-brand {
    font-size: 30px;
    font-family: 'Playfair Display', serif;
    color: #FFA500;
    font-weight: bold;
    transition: all 0.3s ease;
    text-transform: uppercase;
}

.navbar-brand:hover {
    color: #FFD700;
    letter-spacing: 2px;
}

.social-icons {
    width: 30px;
    margin-left: 15px;
    transition: transform 0.3s ease;
}

.social-icons:hover {
    transform: scale(1.1);
}

.hero-section {
    background-color: #e0efff;
    padding: 50px 0;
}

.intro-section {
    background: linear-gradient(135deg, #d4e5ff 0%, #a8c4ff 100%);
    border-radius: 15px;
    box-shadow: 0px 8px 20px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease;
}

.intro-section:hover {
    transform: scale(1.02);
}

.hero-title {
    font-size: 3rem;
    font-weight: bold;
    color: #1a1a1a;
    font-family: 'Poppins', sans-serif;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: #444;
    margin-top: 15px;
    font-weight: 600;
    font-family: 'Roboto', sans-serif;
}

.hero-description {
    font-size: 1.2rem;
    margin-top: 25px;
    color: #666;
    line-height: 1.6;
}

.cta-btn {
    background: linear-gradient(135deg, #673ab7 0%, #9c27b0 100%);
    color: white;
    padding: 12px 25px;
    border-radius: 30px;
    text-transform: uppercase;
    margin-top: 30px;
    box-shadow: 0px 6px 15px rgba(103, 58, 183, 0.5);
    transition: all 0.3s ease;
}

.cta-btn:hover {
    background: linear-gradient(135deg, #5a2da5 0%, #8c1fa3 100%);
    box-shadow: 0px 8px 25px rgba(103, 58, 183, 0.7);
    transform: translateY(-3px);
}

.carousel-item img {
    height: 100%;
    object-fit: cover;
}

.product-section img {
    width: 100%;
    height: auto;
}

.problem-section img {
    max-width: 100%;
}

.social-icons img {
    width: 40px;
    margin-right: 10px;
}

.section-title {
    color: #44468B;
    margin-bottom: 30px;
}

.products-section {
    background-color: #e0efff;
}

.product-card {
    background-color: #f7faff;
    border: none;
    border-radius: 10px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.product-card img {
    padding: 20px;
    width: 100%;
    height: auto;
    object-fit: contain;
}

.product-card h5 {
    color: #333;
    font-weight: 600;
    margin-top: 10px;
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.important {
    color: #ff4500;
}

.issues-section {
    background-color: #ffffff;
}

.issues-list {
    list-style-type: none;
    padding: 0;
}

.issues-list li {
    display: flex;
    align-items: flex-start;
    margin-bottom: 20px;
}

.issue-icon {
    width: 50px;
    height: 50px;
    margin-right: 15px;
}

.issues-list p {
    margin: 0;
    color: #333;
    font-size: 16px;
}

.issues-list strong {
    color: #ff4500;
}

.descriptions-section {
    background-color: #ffffff;
}

.descriptions-list {
    list-style-type: none;
    padding: 0;
}

.descriptions-list li {
    display: flex;
    align-items: flex-start;
    margin-bottom: 20px;
}

.description-icon {
    width: 50px;
    height: 50px;
    margin-right: 15px;
}

.descriptions-list p {
    margin: 0;
    color: #333;
    font-size: 16px;
}

.descriptions-list strong {
    color: #ff4500;
}

.edric-tool-for-who {
    background-color: #e0efff;
    padding: 60px 0;
}

.edric-tool-for-who h2 {
    font-size: 32px;
    color: #333;
    margin-bottom: 50px;
}

.icon-container {
    background: #ffffff;
    border: 2px solid #ff4500;
    border-radius: 10px;
    padding: 20px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.icon-container:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.icon-img {
    width: 150px;
    height: auto;
}

.edric-tool-for-who h4 {
    font-size: 24px;
    color: #ff4500;
    margin: 20px 0;
}

.edric-tool-for-who p {
    color: #666;
    font-size: 16px;
    line-height: 1.6;
    text-align: justify;
}

.featured-products {
    background-color: #ffffff;
    padding: 60px 0;
}

.featured-products h2 {
    font-size: 32px;
    color: #333;
    margin-bottom: 40px;
}

.product-card {
    border: 1px solid #ddd;
    border-radius: 10px;
    padding: 20px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    height: 100%;
}

.product-card img {
    max-width: 100%;
    height: auto;
    margin-bottom: 15px;
}

.featured-products h4 {
    font-size: 24px;
    color: #ff4500;
    margin: 15px 0;
}

.featured-products p {
    color: #666;
    font-size: 16px;
    line-height: 1.6;
    flex-grow: 1;
}

.video-container {
    position: relative;
    width: 100%;
    padding-bottom: 56.25%; /* Tỷ lệ 16:9 (9/16 = 0.5625) */
    height: 0;
    overflow: hidden;
    background: #ffffff;
    border: 2px solid #ff4500;
    border-radius: 10px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: 0;
}

.section-divider {
    height: 4px;
    background-color: #007bff;
    border-radius: 2px;
    transform: translateX(-100%);
    opacity: 0;
    transition: all 0.5s ease;
}

.section-divider.visible {
    transform: translateX(0);
    opacity: 1;
}

.divider-text {
    position: absolute;
    top: -16px;
    left: 50%;
    transform: translateX(-50%);
    background-color: #fff;
    padding: 5px 10px;
    border-radius: 15px;
    border: 1px solid #007bff;
    font-weight: bold;
    color: #007bff;
}

.contact-section {
    background-color: #ffffff;
    padding: 30px;
}

.contact-section h3 {
    margin-bottom: 20px;
}

.footer {
    background-color: #44468B;
    color: white;
    text-align: center;
    padding: 20px 0;
}