body {
    margin: 0;
    font-family: 'Segoe UI', Arial, sans-serif;
    background: #f7faff;
    color: #1a237e;
}
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 40px 24px 40px;
    background: #1565c0;
}
.logo {
    font-size: 2rem;
    font-weight: bold;
    color: #fff;
    letter-spacing: 2px;
}
nav .about-link {
    color: #fff;
    text-decoration: none;
    font-size: 1.1rem;
    font-weight: 500;
    padding: 8px 20px;
    border-radius: 20px;
    transition: background 0.2s;
}
nav .about-link:hover {
    background: #1976d2;
}
.main-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    min-height: 70vh;
    justify-content: center;
    background: #f7faff;
    padding: 40px 20px 0 20px;
}
.hero {
    background: #e3f2fd;
    border-radius: 16px;
    box-shadow: 0 4px 24px rgba(21,101,192,0.08);
    padding: 48px 32px;
    text-align: center;
    max-width: 540px;
}
.hero h1 {
    color: #1565c0;
    font-size: 2.5rem;
    margin-bottom: 18px;
}
.hero p {
    color: #1a237e;
    font-size: 1.2rem;
    margin-bottom: 32px;
}
.cta-btn {
    display: inline-block;
    background: #1565c0;
    color: #fff;
    font-size: 1.1rem;
    font-weight: 600;
    padding: 12px 34px;
    border-radius: 24px;
    text-decoration: none;
    transition: background 0.2s;
    box-shadow: 0 2px 10px rgba(21,101,192,0.07);
}
.cta-btn:hover {
    background: #1976d2;
}
.footer {
    background: #1565c0;
    color: #fff;
    text-align: center;
    padding: 20px 0;
    font-size: 1rem;
    position: relative;
    bottom: 0;
    width: 100%;
}
.about-section {
    background: #e3f2fd;
    border-radius: 16px;
    box-shadow: 0 4px 24px rgba(21,101,192,0.08);
    padding: 48px 32px;
    text-align: center;
    max-width: 600px;
    margin: 60px auto 0 auto;
}
@media (max-width: 600px) {
    .header {
        flex-direction: column;
        align-items: flex-start;
        padding: 18px 12px;
    }
    .main-content, .about-section, .hero {
        padding: 20px 6px;
    }
    .hero, .about-section {
        max-width: 98vw;
    }
}