/* Reset & Global Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Arial, sans-serif;
}

body {
    background: #f0f8ff; /* Xanh nhạt */
    color: #333;
}

/* Header */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 5%;
    background: white;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: fixed;
    width: 100%;
    top: 0;
    left: 0;
    z-index: 100;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
}

.logo span {
    color: #007bff; /* Xanh dương hiện đại */
}

nav ul {
    list-style: none;
    display: flex;
}

nav ul li {
    margin: 0 15px;
}

nav ul li a {
    text-decoration: none;
    color: #007bff; /* Xanh dương */
    font-weight: bold;
    transition: 0.3s;
}

nav ul li a:hover {
    color: #0056b3; /* Xanh đậm hơn khi hover */
}

.btn {
    padding: 10px 20px;
    border: none;
    font-size: 1rem;
    cursor: pointer;
}

.go-to-app {
    background: #007bff;
    color: white;
    border-radius: 5px;
    transition: 0.3s;
}

.go-to-app:hover {
    background: #0056b3;
}

/* Hero Section */
.hero {
    height: 100vh;
    background: url('image.png') no-repeat center center/cover;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
    padding: 20px;
}

.overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 123, 255, 0.7); /* Chỉnh gradient màu xanh */
}

.hero-content {
    position: relative;
    max-width: 600px;
}

.hero h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 20px;
}

.primary {
    background: white;
    color: #007bff;
    border-radius: 5px;
    font-weight: bold;
    transition: 0.3s;
}

.primary:hover {
    background: #007bff;
    color: white;
}

/* Stats Section */
.stats {
    text-align: center;
    padding: 50px 20px;
    font-size: 1.5rem;
    font-weight: bold;
}

.stats span {
    font-size: 1rem;
    color: gray;
}
.onboarding {
    display: inline-block;
    margin-top: 10px;
    color: #B0C4DE; /* Xanh nhẹ */
    text-decoration: none;
    font-size: 1rem;
    font-weight: 500;
    transition: color 0.3s ease-in-out, text-shadow 0.3s ease-in-out;
}

.onboarding:hover {
    color: #007bff; /* Xanh đậm hơn */
    text-shadow: 0 0 8px rgba(0, 123, 255, 0.4);
    text-decoration: underline;
}
/* Features Section */
.features {
    display: flex;
    justify-content: center;
    gap: 30px;
    padding: 80px 5%;
    background: white;
    text-align: center;
}

.feature-box {
    background: #f0f8ff;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 123, 255, 0.2);
    width: 300px;
    transition: transform 0.3s ease-in-out, box-shadow 0.3s ease-in-out;
}

.feature-box:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 25px rgba(0, 123, 255, 0.3);
}

.feature-box img {
    width: 50px;
    height: 50px;
    margin-bottom: 15px;
}

.feature-box h3 {
    color: #007bff;
    font-size: 1.5rem;
    margin-bottom: 10px;
}

.feature-box p {
    color: #555;
    font-size: 1rem;
}

.feature-box img {
    width: 80px; /* Tăng kích thước ảnh */
    height: 80px;
    margin-bottom: 20px;
    object-fit: contain; /* Giữ nguyên tỷ lệ ảnh */
}

/* Team Section */
.team {
    text-align: center;
    padding: 60px 5%;
    background: white;
}

.team h2 {
    font-size: 2rem;
    color: #007bff;
    margin-bottom: 20px;
}

.team-container {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
}

.team-member {
    background: #f0f8ff;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 123, 255, 0.2);
    text-align: center;
    width: 220px;
    transition: transform 0.3s ease-in-out, box-shadow 0.3s ease-in-out;
}

.team-member img {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    object-fit: cover;
    margin-bottom: 10px;
}

.team-member h3 {
    font-size: 1.2rem;
    color: #007bff;
    margin-top: 5px;
}

.team-member:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 25px rgba(0, 123, 255, 0.3);
}

/* Mentor */
.mentor h3 {
    color: #ff9800; /* Màu cam để phân biệt mentor */
}