:root {
    --primary-color: #4CAF50; /* A fresh, trustworthy green */
    --secondary-color: #FFC107; /* A vibrant, attention-grabbing yellow */
    --accent-color: #2196F3; /* A cool, modern blue */
    --background-color: #f5f7fa; /* A light, clean grey */
    --text-color: #333;
    --white-color: #fff;
    --font-family: 'Poppins', sans-serif;
}

body {
    font-family: var(--font-family);
    color: var(--text-color);
    background-color: var(--background-color);
    margin: 0;
    line-height: 1.6;
    background-image: url('data:image/svg+xml,%3Csvg width="6" height="6" viewBox="0 0 6 6" xmlns="http://www.w3.org/2000/svg"%3E%3Cg fill="%23e0e0e0" fill-opacity="0.4"%3E%3Cpath d="M5 0h1L0 6V5zM6 5v1H5z"/%3E%3C/g%3E%3C/svg%3E');
}

.main-header {
    background-color: var(--white-color);
    padding: 1rem 2rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

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

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

.nav-links {
    list-style: none;
    display: flex;
    align-items: center;
    margin: 0;
    padding: 0;
}

.nav-links li {
    margin-left: 2rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 600;
    transition: color 0.3s ease;
}

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

.cta-button {
    background-color: var(--primary-color);
    color: var(--white-color);
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: background-color 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
    box-shadow: 0 4px 10px rgba(76, 175, 80, 0.4);
}

.cta-button:hover {
    background-color: #45a049;
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(76, 175, 80, 0.5);

}

.hero {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: var(--white-color);
    text-align: center;
    padding: 6rem 2rem;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    text-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.hero-subtitle {
    font-size: 1.25rem;
    max-width: 600px;
    margin: 0 auto 2rem;
}

.hero-cta {
    background-color: var(--secondary-color);
    color: var(--text-color);
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
    box-shadow: 0 4px 15px rgba(255, 193, 7, 0.5);
}

.hero-cta:hover {
    background-color: #ffb300;
    box-shadow: 0 6px 20px rgba(255, 193, 7, 0.6);

}

.download-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-top: 2rem;
}

.download-buttons a {
    display: inline-block;
    transition: transform 0.3s ease;
}

.download-buttons a:hover {
    transform: scale(1.05);
}

.app-store-btn img,
.play-store-btn img {
    height: 50px;
}


.section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 3rem;
    color: var(--primary-color);
}

.features-section, .testimonials-section, .pricing-section {
    padding: 5rem 2rem;
}

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

.feature-card, .testimonial-card, .pricing-card {
    background-color: var(--white-color);
    padding: 2.5rem;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover, .testimonial-card:hover, .pricing-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.12);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.feature-title, .pricing-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.feature-description, .testimonial-text, .pricing-features {
    color: #666;
}

.testimonial-author {
    margin-top: 1.5rem;
    font-weight: 600;
    color: var(--primary-color);
}

.pricing-price {
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent-color);
    margin-bottom: 1.5rem;
}

.pricing-features {
    list-style: none;
    padding: 0;
    margin-bottom: 2rem;
}

.pricing-features li {
    margin-bottom: 0.5rem;
}

.pricing-card.featured {
    border: 3px solid var(--primary-color);
    transform: scale(1.05);
}

.main-footer-container {
    background-color: #333;
    color: var(--white-color);
    padding: 2rem;
    text-align: center;
}

.footer-links {
    list-style: none;
    padding: 0;
    margin-top: 1rem;
}

.footer-links li {
    display: inline-block;
    margin: 0 1rem;
}

.footer-links a {
    color: var(--white-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

@media (max-width: 768px) {
    .nav-links {
        display: none; /* Hide for now, could be a hamburger menu */
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .section-title {
        font-size: 2rem;
    }
}

/* Screenshots Section */
.screenshots-section {
    padding: 4rem 2rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: var(--white-color);
    text-align: center;
}

.screenshots-section .section-title {
    color: var(--white-color);
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.2rem;
    margin-bottom: 3rem;
    opacity: 0.9;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.screenshots-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.screenshot-item {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    padding: 1.5rem;
    backdrop-filter: blur(10px);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.screenshot-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
}

.screenshot-image {
    width: 100%;
    max-width: 250px;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
    margin-bottom: 1rem;
    transition: transform 0.3s ease;
}

.screenshot-image:hover {
    transform: scale(1.05);
}

.screenshot-title {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--white-color);
}

.screenshot-description {
    font-size: 1rem;
    opacity: 0.9;
    line-height: 1.6;
}

@media (max-width: 768px) {
    .screenshots-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .screenshots-section {
        padding: 3rem 1rem;
    }
}

@media (max-width: 480px) {
    .download-buttons {
        flex-direction: column;
        align-items: center;
    }

    .app-store-btn img,
    .play-store-btn img {
        height: 45px;
    }
}