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

:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --text: #1f2937;
    --text-light: #6b7280;
    --background: #ffffff;
    --surface: #f9fafb;
    --border: #e5e7eb;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    color: var(--text);
    background: var(--background);
    line-height: 1.6;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

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

a:hover {
    text-decoration: underline;
}

/* Navbar */
.navbar {
    background: var(--background);
    border-bottom: 1px solid var(--border);
    padding: 16px 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
}

.logo:hover {
    text-decoration: none;
}

.nav-links {
    display: flex;
    gap: 24px;
}

.nav-links a {
    color: var(--text-light);
    font-weight: 500;
}

.nav-links a:hover {
    color: var(--primary);
    text-decoration: none;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.2s;
    text-decoration: none;
}

.btn:hover {
    text-decoration: none;
    transform: translateY(-1px);
}

.btn-primary {
    background: var(--primary);
    color: white;
}

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

.btn-large {
    padding: 16px 32px;
    font-size: 1.1rem;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary) 0%, #8b5cf6 100%);
    color: white;
    padding: 80px 0;
    text-align: center;
}

.hero h1 {
    font-size: 2.5rem;
    margin-bottom: 16px;
    font-weight: 700;
}

.hero p {
    font-size: 1.2rem;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto 32px;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

.hero .btn-primary {
    background: white;
    color: var(--primary);
}

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

/* Features Section */
.features {
    padding: 80px 0;
    background: var(--surface);
}

.features h2 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 48px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 24px;
}

.feature-card {
    background: white;
    padding: 32px;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.feature-card h3 {
    font-size: 1.2rem;
    margin-bottom: 8px;
}

.feature-card p {
    color: var(--text-light);
    font-size: 0.95rem;
}

/* Download Section */
.download-section {
    padding: 80px 0;
    text-align: center;
    background: var(--background);
}

.download-section h2 {
    font-size: 2rem;
    margin-bottom: 12px;
}

.download-section p {
    color: var(--text-light);
    margin-bottom: 32px;
}

/* Content Pages (Privacy, Help) */
.content-page {
    padding: 48px 0;
    min-height: calc(100vh - 200px);
}

.content-page h1 {
    font-size: 2.2rem;
    margin-bottom: 8px;
}

.content-page .last-updated,
.content-page .subtitle {
    color: var(--text-light);
    margin-bottom: 32px;
}

.content-page section {
    margin-bottom: 40px;
}

.content-page h2 {
    font-size: 1.5rem;
    margin-bottom: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--border);
}

.content-page section:first-of-type h2 {
    border-top: none;
    padding-top: 0;
}

.content-page h3 {
    font-size: 1.1rem;
    margin: 20px 0 8px;
}

.content-page p {
    margin-bottom: 12px;
    color: var(--text);
}

.content-page ul,
.content-page ol {
    margin: 12px 0;
    padding-left: 24px;
}

.content-page li {
    margin-bottom: 8px;
}

/* FAQ Styles */
.faq-section {
    margin-bottom: 48px;
}

.faq-item {
    background: var(--surface);
    padding: 20px 24px;
    border-radius: 8px;
    margin-bottom: 12px;
}

.faq-item h3 {
    color: var(--text);
    margin: 0 0 8px 0;
    font-size: 1rem;
}

.faq-item p,
.faq-item ul {
    margin-bottom: 0;
    color: var(--text-light);
    font-size: 0.95rem;
}

.faq-item ul {
    margin-top: 8px;
}

/* Contact Section */
.contact-section {
    text-align: center;
    padding: 48px;
    background: var(--surface);
    border-radius: 12px;
    margin-top: 48px;
}

.contact-section h2 {
    border: none;
    padding-top: 0;
}

.contact-section p {
    margin-bottom: 24px;
}

.response-time {
    color: var(--text-light);
    font-size: 0.9rem;
    margin-top: 16px;
}

/* Blog */
.blog-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
    margin-top: 32px;
}

.blog-card {
    display: block;
    background: white;
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 28px;
    transition: all 0.2s;
}

.blog-card:hover {
    text-decoration: none;
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
    border-color: var(--primary);
}

.blog-card .blog-tag {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--primary);
    background: rgba(99, 102, 241, 0.1);
    padding: 4px 10px;
    border-radius: 999px;
    margin-bottom: 12px;
}

.blog-card h2 {
    font-size: 1.25rem;
    color: var(--text);
    margin-bottom: 8px;
    border: none;
    padding: 0;
}

.blog-card p {
    color: var(--text-light);
    font-size: 0.95rem;
    margin: 0;
}

/* Blog article body */
.blog-article {
    max-width: 760px;
}

.blog-article .blog-meta {
    color: var(--text-light);
    font-size: 0.9rem;
    margin-bottom: 28px;
}

.blog-article p,
.blog-article li {
    font-size: 1.05rem;
    color: #374151;
}

.blog-article h2 {
    font-size: 1.5rem;
    margin: 36px 0 14px;
    padding-top: 0;
    border-top: none;
}

.blog-article h3 {
    font-size: 1.18rem;
    margin: 24px 0 8px;
}

.blog-article ul,
.blog-article ol {
    padding-left: 24px;
    margin: 14px 0;
}

.blog-article strong {
    color: var(--text);
}

.blog-cta {
    background: linear-gradient(135deg, var(--primary) 0%, #8b5cf6 100%);
    color: white;
    border-radius: 16px;
    padding: 32px;
    text-align: center;
    margin: 40px 0;
}

.blog-cta h3 {
    color: white;
    font-size: 1.35rem;
    margin: 0 0 8px;
}

.blog-cta p {
    color: rgba(255, 255, 255, 0.92);
    margin-bottom: 20px;
}

.blog-cta .btn-primary {
    background: white;
    color: var(--primary);
}

.related-posts {
    margin-top: 48px;
    padding-top: 24px;
    border-top: 1px solid var(--border);
}

.related-posts h2 {
    font-size: 1.3rem;
    border: none;
    padding: 0;
    margin-bottom: 16px;
}

.related-posts a {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
}

/* Footer */
.footer {
    background: var(--text);
    color: white;
    padding: 40px 0;
    text-align: center;
}

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

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
}

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

.copyright {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 768px) {
    .hero {
        padding: 60px 0;
    }

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

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

    .features,
    .download-section {
        padding: 60px 0;
    }

    .content-page h1 {
        font-size: 1.8rem;
    }

    .nav-links {
        gap: 16px;
    }
}

@media (max-width: 480px) {
    .navbar .container {
        flex-direction: column;
        gap: 12px;
    }

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

    .footer-links {
        flex-direction: column;
        gap: 16px;
    }
}