:root {
    --primary-color: #0a2540;
    --secondary-color: #00d4ff;
    --background-color: #f6f9fc;
    --text-color: #333;
    --white: #fff;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    margin: 0;
    color: var(--text-color);
    background-color: var(--background-color);
    line-height: 1.6;
}

a {
    color: var(--secondary-color);
    text-decoration: none;
}

header {
    background: var(--white);
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    padding: 1rem 5%;
    position: sticky;
    top: 0;
    z-index: 1000;
}

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

nav .logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
}

nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
}

nav ul li {
    margin-left: 2rem;
}

nav ul a {
    color: var(--primary-color);
    font-weight: 500;
}

.hero {
    background-color: var(--primary-color);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 5rem 5%;
    text-align: center;
}

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

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-button {
    background: var(--secondary-color);
    color: var(--primary-color);
    padding: 1rem 2rem;
    border-radius: 5px;
    font-weight: bold;
    text-transform: uppercase;
}

.hero-visual {
    margin-top: 2rem;
}

.hero-visual img {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
}

section {
    padding: 4rem 5%;
}

.problem-solution {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.problem h2, .solution h2 {
    color: var(--primary-color);
}

.features {
    background: var(--white);
    text-align: center;
}

.features h2 {
    color: var(--primary-color);
    margin-bottom: 3rem;
}

.feature-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.feature-item {
    text-align: center;
}

.feature-item img {
    max-width: 100px;
    margin-bottom: 1rem;
}

.social-proof {
    text-align: center;
}

.social-proof h2 {
    color: var(--primary-color);
    margin-bottom: 3rem;
}

.testimonials {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.testimonial {
    background: var(--white);
    padding: 2rem;
    border-radius: 5px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.testimonial cite {
    display: block;
    margin-top: 1rem;
    font-weight: bold;
    color: var(--primary-color);
}

.contact-form {
    background: var(--white);
    max-width: 600px;
    margin: 0 auto;
    padding: 3rem;
    border-radius: 5px;
}

.contact-form h2 {
    text-align: center;
    color: var(--primary-color);
    margin-bottom: 2rem;
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
    font-weight: 500;
}

.form-group input, .form-group textarea {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid #ccc;
    border-radius: 5px;
    font-size: 1rem;
}

.form-group textarea {
    resize: vertical;
}

footer {
    background: var(--primary-color);
    color: var(--white);
    text-align: center;
    padding: 2rem 5%;
}

@media (max-width: 768px) {
    .hero {
        flex-direction: column;
        padding: 3rem 5%;
    }

    .problem-solution {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .testimonials {
        grid-template-columns: 1fr;
    }
}