body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    margin: 0;
    background-color: #f8f9fa;
    color: #333;
    line-height: 1.6;
}

.container {
    max-width: 960px;
    margin: 0 auto;
    padding: 0 20px;
}

header {
    background: #fff;
    padding: 20px 0;
    border-bottom: 1px solid #e9ecef;
}

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

header .logo img {
    margin-top: 10px;
    height: 60px;
}

.login-btn {
    display: inline-block;
    padding: 10px 20px;
    background-color: #007bff;
    color: #fff;
    text-decoration: none;
    border-radius: 5px;
    font-weight: bold;
}

.hero {
    text-align: center;
    padding: 80px 0;
    background: #fff;
}

.hero h1 {
    font-size: 48px;
    margin-bottom: 20px;
}

.hero p {
    font-size: 20px;
    color: #6c757d;
    margin-bottom: 30px;
}

.cta-button {
    display: inline-block;
    padding: 15px 30px;
    background-color: #28a745;
    color: #fff;
    text-decoration: none;
    border-radius: 5px;
    font-size: 18px;
    font-weight: bold;
}

.features {
    padding: 60px 0;
    background-color: #f8f9fa;
}

.features h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 40px;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.feature {
    background: #fff;
    padding: 30px;
    border-radius: 5px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    text-align: center;
}

.feature h3 {
    font-size: 24px;
    margin-bottom: 15px;
}

.image-placeholders {
    padding: 60px 0;
    background: #fff;
}

.image-placeholders h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 40px;
}

.placeholder {
    width: 100%;
    height: 400px;
    background-color: #e9ecef;
    border: 2px dashed #ced4da;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: #6c757d;
    margin-bottom: 30px;
    border-radius: 5px;
}

.social-links {
    margin-bottom: 15px;
}

.social-links a {
    color: #fff;
    text-decoration: none;
    margin: 0 10px;
}

.social-links a:hover {
    text-decoration: underline;
}

footer {
    text-align: center;
    padding: 20px 0;
    background-color: #343a40;
    color: #fff;
}