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

body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background: #fff;
}

.container {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    background: white;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: bold;
}

.logo-icon {
    font-size: 2rem;
    margin-right: 0.5rem;
}

/* Buttons */
.btn {
    padding: 0.5rem 1.5rem;
    border: 2px solid #00cfff;
    border-radius: 25px;
    background: transparent;
    color: #00cfff;
    font-size: 1rem;
    cursor: pointer;
    transition: 0.3s;
}

.btn:hover {
    background: #00cfff;
    color: white;
}

.btn-outline {
    border: 2px solid #00cfff;
    background: transparent;
    color: #00cfff;
}

/* Hero Section */
.hero {
    text-align: center;
    padding: 4rem 2rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

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

.hero p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.get-started {
    padding: 1rem 2.5rem;
    background: #00cfff;
    color: white;
    border: none;
    border-radius: 30px;
    font-size: 1.2rem;
    font-weight: bold;
    cursor: pointer;
    transition: 0.3s;
    margin-bottom: 2rem;
}

.get-started:hover {
    background: #0099cc;
    transform: translateY(-2px);
}

/* Demo Buttons */
.demo-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-top: 1rem;
}

.login-btn, .logout-btn {
    padding: 0.7rem 1.5rem;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: 0.3s;
}

.login-btn {
    background: #4caf50;
    color: white;
}

.login-btn:hover {
    background: #45a049;
}

.logout-btn {
    background: #e53935;
    color: white;
}

.logout-btn:hover {
    background: #d32f2f;
}

/* Features Section */
.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    padding: 4rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.feature-card {
    text-align: center;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s;
}

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

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    margin-bottom: 1rem;
    color: #333;
}

/* How It Works */
.how-it-works {
    padding: 4rem 2rem;
    background: #f8f9fa;
    text-align: center;
}

.how-it-works h2 {
    font-size: 2.5rem;
    margin-bottom: 3rem;
}

.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.step {
    text-align: center;
    padding: 2rem;
}

.step-number {
    width: 50px;
    height: 50px;
    background: #00cfff;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: bold;
    margin: 0 auto 1rem;
}

/* Footer */
footer {
    text-align: center;
    padding: 2rem;
    background: #333;
    color: white;
    margin-top: auto;
}