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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #fff;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navigation */
.navbar {
    background-color: #2c3e50;
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

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

.logo {
    color: #fff;
    font-size: 1.5rem;
    font-weight: bold;
    text-decoration: none;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-links a {
    color: #fff;
    text-decoration: none;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: #3498db;
}

.btn-login, .btn-signup, .btn-dashboard {
    padding: 0.5rem 1rem;
    border-radius: 4px;
    transition: background-color 0.3s;
}

.btn-login {
    border: 1px solid #3498db;
}

.btn-login:hover {
    background-color: #3498db;
    color: #fff !important;
}

.btn-signup {
    background-color: #3498db;
}

.btn-signup:hover {
    background-color: #2980b9;
    color: #fff !important;
}

.btn-dashboard {
    background-color: #27ae60;
    border: 1px solid #27ae60;
}

.btn-dashboard:hover {
    background-color: #229954;
    color: #fff !important;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
    padding: 4rem 0;
    text-align: center;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
}

.btn-primary {
    display: inline-block;
    background-color: #3498db;
    color: #fff;
    padding: 1rem 2rem;
    text-decoration: none;
    border-radius: 4px;
    font-size: 1.1rem;
    transition: background-color 0.3s;
}

.btn-primary:hover {
    background-color: #2980b9;
}

/* Page Header */
.page-header {
    text-align: center;
    padding: 3rem 0;
    background-color: #f8f9fa;
}

.page-header h1 {
    font-size: 2.5rem;
    color: #2c3e50;
}

/* Content */
.content {
    padding: 3rem 0;
}

/* Features Section */
.features {
    padding: 4rem 0;
    text-align: center;
}

.features h2 {
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #2c3e50;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.feature-card {
    background-color: #f8f9fa;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    transition: transform 0.3s;
}

.feature-card:hover {
    transform: translateY(-5px);
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #2c3e50;
}

/* Footer */
.footer {
    background-color: #2c3e50;
    color: #fff;
    text-align: center;
    padding: 2rem 0;
    margin-top: auto;
}

/* Layout */
body {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

main {
    flex: 1;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-links {
        flex-direction: column;
        gap: 1rem;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .container {
        padding: 0 15px;
    }
}