/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-green: #a8e6cf;
    --primary-blue: #b8d4f0;
    --accent-green: #7dd3a0;
    --accent-blue: #8bb8e8;
    --text-dark: #2c3e50;
    --text-light: #5a6c7d;
    --bg-light: #f8f9fa;
    --white: #ffffff;
}

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

/* Header Styles */
header {
    background: linear-gradient(135deg, var(--primary-green) 0%, var(--primary-blue) 100%);
    padding: 1.5rem 0;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}

.logo {
    font-size: 2rem;
    font-weight: 700;
    color: var(--white);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo svg {
    width: 32px;
    height: 32px;
    fill: var(--white);
}

nav ul {
    list-style: none;
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
}

nav a {
    color: var(--white);
    text-decoration: none;
    font-weight: 500;
    transition: opacity 0.3s ease;
}

nav a:hover {
    opacity: 0.8;
    text-decoration: underline;
}

/* Main Content */
main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 3rem 2rem;
}

/* Hero Section */
.hero {
    text-align: center;
    padding: 4rem 0;
    background: linear-gradient(135deg, var(--primary-green) 0%, var(--primary-blue) 100%);
    border-radius: 20px;
    margin-bottom: 4rem;
    color: var(--white);
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.hero .tagline {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

.hero .description {
    font-size: 1.1rem;
    max-width: 700px;
    margin: 0 auto;
    opacity: 0.9;
}

/* Section Styles */
.section {
    margin-bottom: 4rem;
}

.section h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    color: var(--text-dark);
    text-align: center;
}

.section p {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 1.5rem;
    text-align: center;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

/* Features Grid */
.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.feature-card p {
    color: var(--text-light);
    text-align: left;
}

/* Download Section */
.download-section {
    background: var(--white);
    padding: 3rem;
    border-radius: 15px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    text-align: center;
    margin-top: 3rem;
}

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

.download-btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    background: linear-gradient(135deg, var(--accent-green) 0%, var(--accent-blue) 100%);
    color: var(--white);
    text-decoration: none;
    border-radius: 10px;
    font-weight: 600;
    font-size: 1.1rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.download-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.3);
}

.download-btn:active {
    transform: translateY(-1px);
}

/* Privacy Policy Page */
.privacy-content {
    background: var(--white);
    padding: 3rem;
    border-radius: 15px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    max-width: 900px;
    margin: 0 auto;
}

.privacy-content h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.privacy-content h2 {
    font-size: 2rem;
    margin-top: 2.5rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
    text-align: left;
}

.privacy-content h3 {
    font-size: 1.5rem;
    margin-top: 2rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.privacy-content h4 {
    font-size: 1.2rem;
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
    color: var(--text-dark);
}

.privacy-content p {
    margin-bottom: 1rem;
    color: var(--text-light);
    text-align: left;
}

.privacy-content ul {
    margin-left: 2rem;
    margin-bottom: 1.5rem;
    color: var(--text-light);
}

.privacy-content li {
    margin-bottom: 0.75rem;
}

.privacy-content a {
    color: var(--accent-blue);
    text-decoration: none;
}

.privacy-content a:hover {
    text-decoration: underline;
}

.privacy-content strong {
    color: var(--text-dark);
}

/* Footer */
footer {
    background: linear-gradient(135deg, var(--primary-green) 0%, var(--primary-blue) 100%);
    color: var(--white);
    padding: 2rem 0;
    margin-top: 4rem;
    text-align: center;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.footer-links {
    margin-bottom: 1rem;
}

.footer-links a {
    color: var(--white);
    text-decoration: none;
    margin: 0 1rem;
    transition: opacity 0.3s ease;
}

.footer-links a:hover {
    opacity: 0.8;
    text-decoration: underline;
}

.footer-copyright {
    margin-top: 1rem;
    opacity: 0.9;
}

/* Responsive Design */
@media (max-width: 768px) {
    .header-container {
        flex-direction: column;
        gap: 1rem;
    }

    nav ul {
        justify-content: center;
        gap: 1.5rem;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .hero .tagline {
        font-size: 1.2rem;
    }

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

    .section h2 {
        font-size: 2rem;
    }

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

    .download-buttons {
        flex-direction: column;
        align-items: center;
    }

    .download-btn {
        width: 100%;
        max-width: 300px;
    }

    .privacy-content {
        padding: 2rem 1.5rem;
    }

    .privacy-content h1 {
        font-size: 2rem;
    }

    .privacy-content h2 {
        font-size: 1.75rem;
    }

    main {
        padding: 2rem 1rem;
    }

    .footer-links {
        display: flex;
        flex-direction: column;
        gap: 0.5rem;
    }

    .footer-links a {
        margin: 0;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 2.5rem 1.5rem;
    }

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

    .hero .tagline {
        font-size: 1.1rem;
    }

    .logo {
        font-size: 1.5rem;
    }

    .section h2 {
        font-size: 1.75rem;
    }
}