body {
    font-family: 'Helvetica', sans-serif;
    margin: 0;
    padding: 0;
    line-height: 1.6;
    color: #f0f0f0;
    background-color: #121212;
}

/* Header */
.header {
    background: #1f1f1f;
    padding: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5em;
    font-weight: bold;
    color: #4facfe;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 15px;
}

.nav-links a {
    text-decoration: none;
    color: #f0f0f0;
    font-weight: bold;
}

.nav-links a:hover {
    color: #4facfe;
}

/* Hero Section */
.hero {
    text-align: center;
    padding: 100px 20px;
    background-color: #4facfe;
    color: #121212;
}

.hero h1 {
    font-size: 2.5em;
}

.hero p {
    font-size: 1.2em;
    margin: 20px 0;
}

.btn {
    padding: 15px 30px;
    font-size: 1em;
    border: none;
    cursor: pointer;
}

.btn-primary {
    background-color: #4facfe;
    color: #121212;
    margin-right: 10px;
}

.btn-primary:hover {
    background-color: #008dbd;
}

.btn-secondary {
    background-color: transparent;
    color: #4facfe;
    border: 2px solid #4facfe;
}

.btn-secondary:hover {
    background-color: #00f2fe;
    color: #121212;
}

/* Features Section */
.features {
    padding: 60px 20px;
    text-align: center;
    background-color: #1f1f1f;
}

.features h2 {
    font-size: 2em;
    margin-bottom: 20px;
    color: #4facfe;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.feature {
    background: #333;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
}

.feature h3 {
    font-size: 1.5em;
    margin-bottom: 10px;
    color: #4facfe;
}

/* Testimonials Section */
.testimonials {
    background: #121212;
    color: #f0f0f0;
    padding: 60px 20px;
    text-align: center;
}

.testimonials h2 {
    font-size: 2em;
    margin-bottom: 20px;
    color: #4facfe;
}

.testimonial {
    max-width: 800px;
    margin: 0 auto;
    font-style: italic;
}

/* Pricing Section */
.pricing {
    padding: 60px 20px;
    text-align: center;
    background-color: #1f1f1f;
}

.pricing h2 {
    font-size: 2em;
    margin-bottom: 20px;
    color: #4facfe;
}

.pricing-tiers {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 40px;
}

.pricing-tier {
    background: #333;
    padding: 30px;
    border-radius: 8px;
    width: 250px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
}

.pricing-tier h3 {
    font-size: 1.5em;
    margin-bottom: 10px;
    color: #4facfe;
}

.pricing-tier p {
    margin: 10px 0;
    color: #f0f0f0;
}

.pricing-tier .btn {
    margin-top: 20px;
}

/* About Us Section */
.about-us {
    padding: 60px 20px;
    text-align: center;
    background-color: #121212;
}

.about-us h2 {
    font-size: 2em;
    margin-bottom: 20px;
    color: #4facfe;
}

.about-us p {
    max-width: 600px;
    margin: 0 auto;
    color: #f0f0f0;
}

/* Footer */
.footer {
    background: #1f1f1f;
    padding: 20px;
    text-align: center;
}

.footer-links {
    list-style: none;
    padding: 0;
    display: flex;
    justify-content: center;
    gap: 15px;
}

.footer-links a {
    text-decoration: none;
    color: #f0f0f0;
}

.footer-links a:hover {
    color: #4facfe;
}

.newsletter {
    margin-top: 20px;
}

.newsletter input[type="email"] {
    padding: 10px;
    width: 250px;
    border: none;
    border-radius: 4px;
}

.contact {
    padding: 60px 20px;
    text-align: center;
    background-color: #121212;
}

.contact h2 {
    font-size: 2em;
    margin-bottom: 20px;
    color: #4facfe;
}

.contact a:hover {
    background-color: #00f2fe;
}

.newsletter button {
    padding: 10px 20px;
    background-color: #4facfe;
    color: #121212;
    border: none;
    cursor: pointer;
}

.newsletter button:hover {
    background-color: #00f2fe;
}