:root {
    --primary-color: #0d6efd;
    --secondary-color: #4568dc;
    --accent-color: #b06ab3;
    --dark-color: #1a1f2e;
    --light-color: #f5f7fa;
    --text-color: #ffffff;
    --gradient: linear-gradient(135deg, var(--secondary-color), var(--accent-color));
    --background-gradient: linear-gradient(135deg, rgba(69, 104, 220, 0.1), rgba(176, 106, 179, 0.1));
}

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

body {
    font-family: 'Poppins', sans-serif;
    background-color: var(--dark-color);
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 200 200' opacity='0.05'%3E%3Cpath d='M100 20c0 0-40 40-40 80 0 20 20 40 40 40s40-20 40-40c0-40-40-80-40-80zm0 120c-10 0-20-10-20-20 0-20 20-40 20-40s20 20 20 40c0 10-10 20-20 20z' fill='%234568dc'/%3E%3Cpath d='M100 40c0 0-20 20-20 40 0 10 10 20 20 20s20-10 20-20c0-20-20-40-20-40zm0 40c-5 0-10-5-10-10 0-10 10-20 10-20s10 10 10 20c0 5-5 10-10 10z' fill='%23ffffff'/%3E%3Ccircle cx='100' cy='80' r='5' fill='%234568dc'/%3E%3C/svg%3E");
    background-size: 200px 200px;
    background-repeat: repeat;
    color: var(--text-color);
    line-height: 1.4;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 1rem;
}

.container {
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
    padding: 2rem;
    text-align: center;
    background: rgba(26, 31, 46, 0.9); /* Dark background with slight transparency */
    border-radius: 15px;
    box-shadow: 0 5px 25px rgba(0, 0, 0, 0.3);
}

.logo-container {
    margin-bottom: 2rem;
    display: flex;
    justify-content: center;
}

.logo {
    width: 120px;
    height: 120px;
    animation: pulse 3s infinite alternate;
}

@keyframes pulse {
    0% {
        transform: scale(1.1);
    }
    100% {
        transform: scale(1.25);
    }
}

.title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    background: var(--gradient);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.subtitle {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #d1d6e2;
}

.description {
    max-width: 800px;
    margin: 0 auto 3rem;
}

.description p {
    margin-bottom: 1rem;
    font-size: 1.1rem;
    color: #b0b7c3;
}

.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.feature {
    background-color: rgba(32, 49, 103, 0.7);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.feature h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.feature p {
    font-size: 0.75rem;
    color: #b0b7c3;
}

.signup {
    max-width: 600px;
    margin: 0 auto 3rem;
    padding: 2rem;
    background-color: rgba(26, 31, 46, 0.7);
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.signup h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.signup p {
    margin-bottom: 1.5rem;
    color: #b0b7c3;
}

#signup-form {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
}

#signup-form input {
    flex: 1;
    min-width: 200px;
    padding: 0.8rem 1rem;
    border: 1px solid #3a4060;
    border-radius: 5px;
    font-family: inherit;
    font-size: 1rem;
    background-color: #2a2f44;
    color: #ffffff;
}

#signup-form button {
    padding: 0.8rem 1.5rem;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 5px;
    font-family: inherit;
    font-size: 1rem;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

#signup-form button:hover {
    background-color: #0b5ed7;
}

footer {
    margin-top: 2rem;
    color: #777;
    font-size: 0.9rem;
    color: #b0b7c3;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .title {
        font-size: 2.5rem;
    }
    
    .subtitle {
        font-size: 1.5rem;
    }
    
    .features {
        grid-template-columns: 1fr;
    }
    
    .container {
        padding: 1rem;
    }
}

@media (max-width: 480px) {
    .title {
        font-size: 2rem;
    }
    
    .subtitle {
        font-size: 1.2rem;
    }
    
    .logo {
        width: 100px;
        height: 100px;
    }
    
    body {
        padding: 1rem;
    }
}