* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Arial, sans-serif;
}

:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --secondary: #64748b;
    --light: #f8fafc;
    --dark: #1e293b;
    --success: #10b981;
    --star: #f59e0b;
}

body {
    color: var(--dark);
    line-height: 1.6;
}


.navbar {
    background: white;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 100;
    padding: 1rem 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    text-decoration: none;
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links a {
    color: var(--dark);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}

.nav-links a:hover {
    color: var(--primary);
}

.nav-cta {
    background: var(--primary);
    color: white !important;
    padding: 0.5rem 1.2rem;
    border-radius: 4px;
}

.nav-cta:hover {
    background: var(--primary-dark) !important;
}

.mobile-menu-btn {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
}


.hero {
    padding: 5rem 5%;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 2rem;
    background: var(--light);
}

.hero-content {
    flex: 1 1 400px;
}

.hero h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.hero h1 span {
    color: var(--primary);
}

.hero p {
    font-size: 1.1rem;
    color: var(--secondary);
    margin-bottom: 2rem;
    max-width: 600px;
}

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

.hero-highlights {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 32px;
}

.highlight-tag {
    display: flex;
    align-items: center;
    gap: 8px;
    background-color: var(--light-gray);
    padding: 8px 16px;
    border-radius: 6px;
    font-weight: 500;
    color: var(--primary);
    font-size: 14px;
}
   

.btn-primary {
    background: var(--primary);
    color: white;
    padding: 0.8rem 1.8rem;
    border: none;
    border-radius: 4px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
    text-decoration: none;
    display: inline-block;
    text-align: center;
}

.btn-primary:hover {
    background: var(--primary-dark);
}

.btn-secondary {
    background: white;
    color: var(--primary);
    padding: 0.8rem 1.8rem;
    border: 1px solid var(--primary);
    border-radius: 4px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
    display: inline-block;
    text-align: center;
}

.btn-secondary:hover {
    background: var(--light);
}

.hero-image {
    flex: 1 1 400px;
    text-align: center;
}

.hero-image img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}


.features {
    padding: 4rem 5%;
    text-align: center;
}

.section-title {
    font-size: 2rem;
    margin-bottom: 3rem;
    color: var(--dark);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.feature-card {
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    transition: transform 0.2s;
}

.feature-card:hover {
    transform: translateY(-5px);
}

.feature-card i {
    font-size: 2.5rem;
    color: var(--primary);
    margin-bottom: 1rem;
}

.feature-card h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
}

.feature-card p {
    color: var(--secondary);
}


.testimonials {
    padding: 4rem 5%;
    background: var(--light);
    text-align: center;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.testimonial-card {
    padding: 2rem;
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    text-align: left;
}

.testimonial-stars {
    color: var(--star);
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.testimonial-text {
    color: var(--dark);
    font-style: italic;
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.author-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--primary);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.2rem;
}

.author-info h4 {
    font-size: 1rem;
    color: var(--dark);
}

.author-info p {
    font-size: 0.9rem;
    color: var(--secondary);
}


.formats {
    padding: 4rem 5%;
}

.formats-table {
    width: 100%;
    border-collapse: collapse;
    margin: 2rem 0;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.formats-table th, .formats-table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid #e2e8f0;
}

.formats-table th {
    background: var(--primary);
    color: white;
}

.formats-table tr:hover {
    background: white;
}


.download {
    padding: 4rem 5%;
    text-align: center;
}

.download-cta-container {
    display: flex;
    flex-wrap: wrap;
    gap: 2rem;
    justify-content: center;
    margin-top: 2rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.download-cta-card {
    flex: 1 1 300px;
    padding: 2rem;
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.cta-card-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 0.5rem;
}

.cta-card-subtitle {
    font-size: 0.95rem;
    color: var(--secondary);
    margin-bottom: 1.5rem;
    line-height: 1.5;
}

.cta-card-subtitle span {
    color: var(--primary);
    font-weight: 600;
}


.faq {
    padding: 4rem 5%;
    background: var(--light);
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.faq-item {
    margin-bottom: 1rem;
    border-radius: 4px;
    background: white;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.faq-question {
    padding: 1rem 1.5rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.faq-answer {
    padding: 0 1.5rem;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    color: var(--secondary);
}

.faq-answer.show {
    padding: 0 1.5rem 1.5rem;
    max-height: 500px;
}


.footer {
    padding: 3rem 5%;
    background: var(--dark);
    color: white;
    text-align: center;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin: 1.5rem 0;
    flex-wrap: wrap;
}

.footer-links a {
    color: #cbd5e1;
    text-decoration: none;
}

.footer-links a:hover {
    color: white;
}

.copyright {
    color: #94a3b8;
    margin-top: 1.5rem;
    font-size: 0.9rem;
}


@media (max-width: 768px) {
    .nav-links {
display: none;
flex-direction: column;
position: absolute;
top: 100%;
left: 0;
right: 0;
background: white;
padding: 1rem 5%;
box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    }

    .nav-links.show {
display: flex;
    }

    .mobile-menu-btn {
display: block;
    }

    .hero h1 {
font-size: 2rem;
    }

    .section-title {
font-size: 1.8rem;
    }

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

    .download-cta-container {
gap: 1.5rem;
    }

    .download-cta-card {
flex: 1 1 100%;
    }
}