:root {
    --primary-color: #7602b9;
    --secondary-color: #430060;
    --accent-color: #9f198f;
    --text-color: #333;
    --light-gray: #f5f5f5;
    --border-radius: 8px;
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
}

/* Header */
.main-header {
    background: white;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 5%;
    max-width: 1400px;
    margin: 0 auto;
}

.logo {
    font-size: 2rem;
    font-weight: bold;
    color: var(--primary-color);
}

.nav-links a {
    text-decoration: none;
    color: var(--text-color);
    margin-left: 2rem;
    transition: var(--transition);
}

.nav-links a:hover {
    color: var(--primary-color);
}

.login-btn, .register-btn {
    padding: 0.5rem 1.5rem;
    border-radius: var(--border-radius);
}

.login-btn {
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
}

.register-btn {
    background: var(--primary-color);
    color: white !important;
}

/* Hero Section */
.hero {
    height: 100vh;
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    display: flex;
    align-items: center;
    text-align: center;
    position: relative;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem;
    color: white;
    position: relative;
    z-index: 1;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero p {
    font-size: 1.4rem;
    margin-bottom: 2rem;
}

.cta-button {
    display: inline-block;
    padding: 1rem 2rem;
    background: var(--accent-color);
    color: white;
    text-decoration: none;
    border-radius: var(--border-radius);
    font-size: 1.2rem;
    transition: var(--transition);
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

/* Features Section */
.features {
    padding: 5rem 2rem;
    background: var(--light-gray);
}

.features h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--secondary-color);
}

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

.feature-card {
    background: white;
    padding: 2rem;
    border-radius: var(--border-radius);
    text-align: center;
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.feature-card i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.feature-card h3 {
    margin-bottom: 1rem;
    color: var(--secondary-color);
}

/* Pricing Section */
.pricing {
    padding: 5rem 2rem;
}

.pricing h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--secondary-color);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.pricing-card {
    background: white;
    padding: 3rem 2rem;
    border-radius: var(--border-radius);
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
}

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

.pricing-card h3 {
    font-size: 1.8rem;
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

.price {
    font-size: 3rem;
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.period {
    color: #666;
    margin-bottom: 2rem;
}

.pricing-card ul {
    list-style: none;
    margin-bottom: 2rem;
}

.pricing-card li {
    margin-bottom: 1rem;
    color: #666;
}

.pricing-card i {
    color: var(--primary-color);
    margin-right: 0.5rem;
}

.plan-button {
    display: inline-block;
    padding: 1rem 2rem;
    background: var(--primary-color);
    color: white;
    text-decoration: none;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.plan-button:hover {
    background: var(--secondary-color);
}

.trial {
    border: 2px solid var(--accent-color);
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1001;
}

.modal-content {
    background: white;
    width: 90%;
    max-width: 500px;
    margin: 10vh auto;
    padding: 2rem;
    border-radius: var(--border-radius);
    position: relative;
}

.close {
    position: absolute;
    right: 1.5rem;
    top: 1rem;
    font-size: 2rem;
    cursor: pointer;
    color: #666;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--secondary-color);
}

.form-group input {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    font-size: 1rem;
}

.submit-button {
    width: 100%;
    padding: 1rem;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
}

.submit-button:hover {
    background: var(--secondary-color);
}

.form-footer {
    text-align: center;
    margin-top: 1rem;
}

.form-footer a {
    color: var(--primary-color);
    text-decoration: none;
}

/* Footer */
.footer {
    background: var(--secondary-color);
    color: white;
    padding: 4rem 2rem 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.footer-section h4 {
    margin-bottom: 1.5rem;
    font-size: 1.2rem;
}

.footer-section a {
    color: #ccc;
    text-decoration: none;
    display: block;
    margin-bottom: 0.8rem;
    transition: var(--transition);
}

.footer-section a:hover {
    color: white;
}

.footer-bottom {
    text-align: center;
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }

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

    .nav-links {
        display: none;
    }

    .pricing-card {
        margin: 0 1rem;
    }
}