body {
    font-family: sans-serif;
    margin: 0;
    color: #333;
    background-color: #f4f7f6;
}

header {
    background-color: #fff;
    padding: 1rem 2rem;
    border-bottom: 1px solid #eee;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: #007aff;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 1.5rem;
    margin: 0;
    padding: 0;
}

.nav-links a {
    text-decoration: none;
    color: #555;
    font-weight: 500;
}

.hero {
    display: flex;
    align-items: center;
    padding: 4rem 2rem;
    background-color: #fff;
}

.hero-content {
    flex: 1;
}

.hero-content h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.hero-content p {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    color: #555;
    max-width: 500px;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
}

.cta-buttons .cta-button img {
    height: 50px;
}

.hero-image {
    flex: 1;
    display: flex;
    justify-content: center;
}

.hero-image img {
    max-width: 100%;
    height: auto;
}

.live-rates-section, .features-section, .how-it-works-section, .rate-history-section {
    padding: 4rem 2rem;
    text-align: center;
}

.chart-container {
    background-color: #fff;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
    max-width: 800px;
    margin: 0 auto;
}

h2 {
    font-size: 2.5rem;
    margin-bottom: 2rem;
}

.rate-boxes, .feature-cards, .steps {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.rate-box, .feature-card, .step {
    background-color: #fff;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
    flex: 1;
    min-width: 250px;
    max-width: 300px;
}

.rate-box h3 {
    margin-top: 0;
    font-size: 1.2rem;
    color: #007aff;
}

.rate-box .rate {
    font-size: 2rem;
    font-weight: bold;
}

.feature-card h3 {
    margin-top: 0;
}

.step {
    text-align: center;
}

.step span {
    display: inline-block;
    width: 40px;
    height: 40px;
    line-height: 40px;
    border-radius: 50%;
    background-color: #007aff;
    color: #fff;
    font-weight: bold;
    font-size: 1.2rem;
    margin-bottom: 1rem;
}

footer {
    background-color: #333;
    color: #fff;
    text-align: center;
    padding: 1.5rem;
}

@media (max-width: 768px) {
    .hero {
        flex-direction: column;
        text-align: center;
    }

    .hero-content {
        margin-bottom: 2rem;
    }
    
    .cta-buttons {
        justify-content: center;
    }

    .nav-links {
        display: none; /* Simple responsive approach */
    }
}