:root {
    --background-color: #1e1e2f;
    --primary-text-color: #f0f0f8;
    --secondary-text-color: #a9a9d0;
    --border-color: #3a3c5a;
    --card-background: #27293d;
    --accent-color: #7a5af8;
    --accent-color-hover: #9b84ff;
    --success-color: #25d366;
    --font-family: 'Inter', sans-serif;
}

*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--background-color);
    color: var(--primary-text-color);
    font-family: var(--font-family);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Header & Nav */
.header {
    background-color: rgba(30, 30, 47, 0.95);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    width: 100%;
    z-index: 100;
    backdrop-filter: blur(12px);
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary-text-color);
    text-decoration: none;
    transition: opacity 0.2s ease;
    z-index: 101;
}

.logo:hover {
    opacity: 0.8;
}

.logo-svg {
    width: 32px;
    height: 32px;
}

.logo-text {
    font-weight: 800;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 32px;
    align-items: center;
}

.nav-links a {
    color: var(--secondary-text-color);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: color 0.2s ease;
}

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

.cta-button {
    padding: 10px 20px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    transition: all 0.2s ease;
    border: none;
    cursor: pointer;
}

.primary-cta {
    background-color: var(--accent-color);
    color: #fff;
}

.primary-cta:hover {
    background-color: var(--accent-color-hover);
    transform: translateY(-1px);
}

/* Hamburger Menu */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 101;
}

.hamburger span {
    display: block;
    width: 25px;
    height: 2px;
    background-color: var(--primary-text-color);
    transition: all 0.3s ease;
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(7px, 7px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* Mobile Menu */
.mobile-menu {
    display: none;
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(30, 30, 47, 0.98);
    z-index: 99;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.mobile-menu.active {
    opacity: 1;
    pointer-events: all;
}

.mobile-menu-content {
    display: flex;
    flex-direction: column;
    padding: 24px;
    gap: 24px;
}

.mobile-menu-content a {
    color: var(--secondary-text-color);
    text-decoration: none;
    font-weight: 500;
    font-size: 1.1rem;
    padding: 12px;
    border-radius: 8px;
    transition: all 0.2s ease;
}

.mobile-menu-content a:hover,
.mobile-menu-content a.active {
    color: var(--primary-text-color);
    background-color: var(--card-background);
}

.mobile-menu-content .cta-button {
    display: inline-block;
    text-align: center;
}

body.menu-open {
    overflow: hidden;
}

/* Blog Container */
.blog-container {
    max-width: 900px;
    margin: 0 auto;
    padding: 60px 24px;
}

/* Article Header */
.article-header {
    margin-bottom: 40px;
}

.article-meta {
    color: var(--secondary-text-color);
    font-size: 0.9rem;
    margin-bottom: 16px;
}

.article-meta span {
    margin: 0 8px;
}

.article-meta span:first-child {
    margin-left: 0;
}

.article-title {
    font-size: 2.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 16px;
    color: var(--primary-text-color);
}

.article-description {
    font-size: 1.2rem;
    color: var(--secondary-text-color);
    line-height: 1.6;
}

/* Featured Image */
.featured-image {
    width: 100%;
    height: auto;
    border-radius: 12px;
    margin-bottom: 40px;
}

/* Article Content */
.article-content {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--primary-text-color);
}

.article-content h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-top: 48px;
    margin-bottom: 20px;
    color: var(--primary-text-color);
}

.article-content h2:first-child {
    margin-top: 0;
}

.article-content h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-top: 32px;
    margin-bottom: 16px;
    color: var(--primary-text-color);
}

.article-content h4 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-top: 24px;
    margin-bottom: 12px;
    color: var(--primary-text-color);
}

.article-content p {
    margin-bottom: 20px;
    color: var(--secondary-text-color);
}

.article-content strong {
    color: var(--primary-text-color);
    font-weight: 600;
}

.article-content a {
    color: var(--accent-color);
    text-decoration: none;
    transition: color 0.2s ease;
}

.article-content a:hover {
    color: var(--accent-color-hover);
    text-decoration: underline;
}

.article-content ul,
.article-content ol {
    margin-bottom: 20px;
    padding-left: 28px;
}

.article-content li {
    margin-bottom: 12px;
    color: var(--secondary-text-color);
}

.article-content code {
    background-color: var(--card-background);
    padding: 2px 6px;
    border-radius: 4px;
    font-family: 'Monaco', 'Courier New', monospace;
    font-size: 0.9em;
    color: var(--accent-color);
}

.article-content blockquote {
    border-left: 4px solid var(--accent-color);
    padding-left: 20px;
    margin: 24px 0;
    color: var(--secondary-text-color);
    font-style: italic;
}

/* Inline Images */
.inline-image {
    margin: 40px 0;
}

.inline-image img {
    width: 100%;
    height: auto;
    border-radius: 12px;
}

.image-caption {
    text-align: center;
    color: var(--secondary-text-color);
    font-size: 0.9rem;
    margin-top: 12px;
}

/* Tables */
.comparison-table {
    margin: 32px 0;
    overflow-x: auto;
}

.comparison-table table {
    width: 100%;
    border-collapse: collapse;
    background-color: var(--card-background);
    border-radius: 8px;
    overflow: hidden;
}

.comparison-table th,
.comparison-table td {
    padding: 16px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.comparison-table th {
    background-color: rgba(122, 90, 248, 0.1);
    color: var(--primary-text-color);
    font-weight: 600;
}

.comparison-table td {
    color: var(--secondary-text-color);
}

.comparison-table tr:last-child td {
    border-bottom: none;
}

/* FAQ Section */
.faq-section {
    margin-top: 60px;
}

.faq-section h2 {
    margin-bottom: 32px;
}

.faq-item {
    margin-bottom: 32px;
    padding: 24px;
    background-color: var(--card-background);
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.faq-question {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--primary-text-color);
    margin-bottom: 12px;
}

.faq-answer {
    color: var(--secondary-text-color);
    line-height: 1.7;
    margin-bottom: 0;
}

.faq-answer:last-child {
    margin-bottom: 0;
}

/* CTA Box */
.cta-box {
    background: linear-gradient(135deg, rgba(122, 90, 248, 0.1), rgba(122, 90, 248, 0.05));
    border: 2px solid var(--accent-color);
    border-radius: 12px;
    padding: 40px;
    margin: 48px 0;
    text-align: center;
}

.cta-box h3 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--primary-text-color);
}

.cta-box p {
    font-size: 1.1rem;
    color: var(--secondary-text-color);
    margin-bottom: 24px;
}

.cta-box ul {
    text-align: left;
    max-width: 600px;
    margin: 0 auto 24px;
}

.cta-box .cta-button {
    font-size: 1.1rem;
    padding: 14px 32px;
    display: inline-block;
}

.cta-note {
    font-size: 0.9rem;
    color: var(--secondary-text-color);
    margin-top: 12px;
}

/* Blog Index Styles */
.blog-header {
    text-align: center;
    padding: 80px 24px 60px;
    border-bottom: 1px solid var(--border-color);
}

.blog-header h1 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 16px;
}

.blog-header p {
    font-size: 1.2rem;
    color: var(--secondary-text-color);
    max-width: 700px;
    margin: 0 auto;
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 32px;
    padding: 60px 24px;
    max-width: 1200px;
    margin: 0 auto;
}

.blog-card {
    background-color: var(--card-background);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.3s ease;
    text-decoration: none;
    display: flex;
    flex-direction: column;
}

.blog-card:hover {
    transform: translateY(-4px);
    border-color: var(--accent-color);
    box-shadow: 0 8px 24px rgba(122, 90, 248, 0.2);
}

.blog-card-image {
    width: 100%;
    height: 220px;
    object-fit: cover;
}

.blog-card-content {
    padding: 24px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.blog-card-meta {
    color: var(--secondary-text-color);
    font-size: 0.85rem;
    margin-bottom: 12px;
}

.blog-card h3 {
    font-size: 1.35rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--primary-text-color);
}

.blog-card p {
    color: var(--secondary-text-color);
    line-height: 1.6;
    margin-bottom: 16px;
    flex: 1;
}

.blog-card-link {
    color: var(--accent-color);
    font-weight: 600;
    font-size: 0.95rem;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: gap 0.2s ease;
}

.blog-card:hover .blog-card-link {
    gap: 12px;
}

/* Footer */
.footer {
    padding: 40px 24px;
    text-align: center;
    border-top: 1px solid var(--border-color);
    color: var(--secondary-text-color);
}

.footer-links {
    list-style: none;
    display: flex;
    justify-content: center;
    gap: 24px;
    margin-top: 20px;
}

.footer-links a {
    color: var(--secondary-text-color);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.2s ease;
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .nav-links,
    .navbar .primary-cta {
        display: none;
    }

    .hamburger,
    .mobile-menu {
        display: flex;
    }

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

    .article-description {
        font-size: 1.1rem;
    }

    .article-content {
        font-size: 1rem;
    }

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

    .article-content h3 {
        font-size: 1.35rem;
    }

    .blog-header h1 {
        font-size: 2.2rem;
    }

    .blog-grid {
        grid-template-columns: 1fr;
        gap: 24px;
        padding: 40px 24px;
    }

    .cta-box {
        padding: 32px 24px;
    }

    .cta-box h3 {
        font-size: 1.5rem;
    }

    .comparison-table {
        font-size: 0.9rem;
    }

    .comparison-table th,
    .comparison-table td {
        padding: 12px 8px;
    }
}

@media (max-width: 480px) {
    .blog-container {
        padding: 40px 16px;
    }

    .article-title {
        font-size: 1.75rem;
    }

    .article-content h2 {
        font-size: 1.5rem;
        margin-top: 36px;
    }

    .article-content h3 {
        font-size: 1.2rem;
    }

    .blog-header {
        padding: 60px 16px 40px;
    }

    .blog-header h1 {
        font-size: 1.8rem;
    }

    .blog-header p {
        font-size: 1rem;
    }

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