body {
    margin: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(to bottom right, #0a0f2c, #1e2f5b);
    color: #ffffff;
}
header.hero {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 40px;
    padding: 40px 20px;
}
.main-logo {
    height: 90px;
    margin: 0 auto 20px auto;
    display: block;
}
.hero-left, .hero-right {
    flex: 1 1 300px;
    max-width: 500px;
    text-align: center;
}
.hero-left h1 {
    font-size: 2.5em;
    margin-bottom: 10px;
}
.hero-left .subheading {
    font-size: 1.2em;
    margin-bottom: 10px;
}
.hero-left .hero-desc {
    font-size: 1.2em;
    margin-bottom: 20px;
}
.cta-button {
    background-color: #ff4d4f;
    color: #fff;
    padding: 12px 24px;
    text-decoration: none;
    border-radius: 5px;
    font-weight: bold;
    display: inline-block;
    margin-top: 10px;
}
.secondary-cta {
    margin-top: 30px;
}
.trust-logos {
    margin-top: 20px;
}
.ebook-cover {
    max-width: 100%;
    height: auto;
}
.bonus-banner {
    background-color: #fff3cd;
    color: #111;
    border-left: 5px solid #ffc107;
    padding: 15px;
    margin-top: 20px;
    font-size: 1em;
    border-radius: 8px;
}
.bonus-note {
    display: block;
    margin-top: 8px;
    font-size: 0.95em;
    color: #333;
    font-style: italic;
}
section.about {
    background-color: #f4f4f4;
    color: #111;
    padding: 60px 20px;
    text-align: center;
}
.features {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
    max-width: 900px;
    margin: 40px auto 20px auto;
}
.feature-card {
    background: #ffffff;
    color: #000000;
    border-radius: 10px;
    padding: 20px;
    min-width: 200px;
    max-width: 250px;
    flex: 1;
    font-size: 1.1em;
    font-weight: 600;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    text-align: center;
}
section.testimonials {
    background-color: #fff;
    color: #000;
    padding: 40px;
    text-align: center;
}
.testimonial {
    max-width: 600px;
    margin: 20px auto;
    font-style: italic;
}
footer {
    text-align: center;
    padding: 20px;
    background: #000;
}
/* Mobile responsive */
@media (max-width: 768px) {
    header.hero {
        flex-direction: column;
    }
    .hero-left, .hero-right {
        max-width: 100%;
    }
}