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

body {
    font-family: 'Segoe UI', Tahoma, sans-serif;
    background: #f5f6fa;
    color: #2d3436;
    line-height: 1.6;
}

.navbar {
    background: #2c3e50;
    color: white;
    padding: 15px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand { font-size: 20px; font-weight: bold; }
.nav-links a {
    color: white;
    text-decoration: none;
    margin-left: 20px;
    opacity: 0.9;
}
.nav-links a:hover { opacity: 1; }

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

.hero {
    text-align: center;
    padding: 60px 20px;
}

.hero h1 {
    font-size: 2.5rem;
    margin-bottom: 15px;
    color: #1a1a1a;
}

.subtitle {
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 30px;
}

.cta-buttons {
    display: flex;
    gap: 15px;
    justify-content: center;
    margin-bottom: 50px;
}

.btn {
    padding: 12px 30px;
    border: none;
    border-radius: 6px;
    font-weight: 500;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
    transition: all 0.2s;
}

.btn-primary {
    background: #1a73e8;
    color: white;
}
.btn-primary:hover { background: #1557b0; }

.btn-outline {
    background: transparent;
    border: 2px solid #1a73e8;
    color: #1a73e8;
}
.btn-outline:hover { background: #f0f7ff; }

.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    max-width: 900px;
    margin: 0 auto;
}

.feature {
    background: white;
    padding: 25px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    text-align: center;
}

.feature .icon {
    font-size: 2rem;
    margin-bottom: 15px;
    display: block;
}

.auth-card {
    max-width: 400px;
    margin: 60px auto;
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

.form-group { margin-bottom: 20px; }
.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
}
.form-control {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 1rem;
}

.alert {
    padding: 12px;
    border-radius: 6px;
    margin-bottom: 20px;
}
.alert-error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

footer {
    text-align: center;
    padding: 20px;
    color: #666;
    border-top: 1px solid #e0e0e0;
    margin-top: 40px;
}