@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800&display=swap');

:root {
    --bg-main: #090d16;
    --bg-surface: #111827;
    --bg-surface-elevated: #1f2937;
    --border-color: #374151;
    --border-hover: #4b5563;
    
    --color-primary: #8b5cf6;
    --color-primary-hover: #7c3aed;
    --color-secondary: #06b6d4;
    --color-secondary-hover: #0891b2;
    
    --text-primary: #f9fafb;
    --text-secondary: #9ca3af;
    --text-muted: #6b7280;
    
    --grad-primary: linear-gradient(135deg, #6366f1 0%, #a855f7 100%);
    --grad-secondary: linear-gradient(135deg, #06b6d4 0%, #3b82f6 100%);
    --grad-dark: linear-gradient(180deg, #111827 0%, #090d16 100%);
    
    --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-glow: 0 0 20px rgba(139, 92, 246, 0.2);
    
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-full: 9999px;
    
    --container-max: 1200px;
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-main);
    color: var(--text-primary);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition-fast);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.2;
    color: var(--text-primary);
}

.gradient-text {
    background: var(--grad-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
}

.gradient-text-blue {
    background: var(--grad-secondary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
}

/* Layout Utilities */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 1.5rem;
}

.section {
    padding: 6rem 0;
    position: relative;
}

.section-title-wrapper {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.section-subtitle {
    color: var(--text-secondary);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.75rem;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1rem;
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
    cursor: pointer;
    border: none;
    gap: 0.5rem;
}

.btn-primary {
    background: var(--grad-primary);
    color: #fff;
    box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 30px rgba(139, 92, 246, 0.4);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--border-hover);
    transform: translateY(-2px);
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    border-radius: var(--radius-sm);
}

.btn-lg {
    padding: 1rem 2.5rem;
    font-size: 1.125rem;
    border-radius: var(--radius-lg);
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    background: rgba(9, 13, 22, 0.8);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition-normal);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 4.5rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 800;
    font-family: var(--font-heading);
}

.logo-icon {
    width: 2rem;
    height: 2rem;
    background: var(--grad-primary);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.nav-menu {
    display: flex;
    align-items: center;
}

.nav-menu ul {
    display: flex;
    gap: 2rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-link {
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.95rem;
}

.nav-link:hover {
    color: var(--text-primary);
}

.nav-cta {
    display: flex;
    align-items: center;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.nav-toggle span {
    display: block;
    width: 25px;
    height: 2px;
    background-color: var(--text-primary);
    transition: var(--transition-fast);
}

/* Hero Section */
.hero-section {
    padding-top: 10rem;
    padding-bottom: 6rem;
    position: relative;
    background: radial-gradient(circle at 50% 0%, rgba(99, 102, 241, 0.15) 0%, rgba(9, 13, 22, 0) 50%);
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 4rem;
    align-items: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.35rem 1rem;
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: var(--radius-full);
    color: #818cf8;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 1.5rem;
}

.hero-title {
    font-size: 3.5rem;
    line-height: 1.15;
    margin-bottom: 1.5rem;
}

.hero-desc {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    max-width: 600px;
}

.hero-ctas {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
}

.hero-features {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
}

.hero-feat-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.hero-feat-item svg {
    color: var(--color-secondary);
}

.hero-visual {
    position: relative;
}

.hero-visual-card {
    background: rgba(17, 24, 39, 0.7);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-lg);
    padding: 2rem;
    backdrop-filter: blur(12px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    position: relative;
    z-index: 10;
}

.visual-glow {
    position: absolute;
    width: 300px;
    height: 300px;
    background: var(--color-primary);
    border-radius: 50%;
    filter: blur(120px);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    opacity: 0.15;
    z-index: 1;
    pointer-events: none;
}

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

.feature-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 2.5rem 2rem;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--grad-primary);
    opacity: 0;
    transition: var(--transition-normal);
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: rgba(139, 92, 246, 0.3);
    box-shadow: var(--shadow-glow);
}

.feature-card:hover::before {
    opacity: 1;
}

.feature-icon {
    width: 3.5rem;
    height: 3.5rem;
    background: rgba(139, 92, 246, 0.1);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    margin-bottom: 1.5rem;
}

.feature-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

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

/* Pricing Grid */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 2rem;
    align-items: stretch;
}

.pricing-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 3rem 2rem;
    display: flex;
    flex-direction: column;
    position: relative;
    transition: all var(--transition-normal);
}

.pricing-card:hover {
    transform: translateY(-8px);
    border-color: rgba(139, 92, 246, 0.4);
    box-shadow: var(--shadow-glow);
}

.pricing-card.popular {
    border: 2px solid var(--color-primary);
    background: radial-gradient(circle at 100% 0%, rgba(139, 92, 246, 0.1) 0%, var(--bg-surface) 60%);
    box-shadow: 0 15px 35px rgba(139, 92, 246, 0.15);
}

.popular-badge {
    position: absolute;
    top: 1rem;
    right: 1.5rem;
    background: var(--grad-primary);
    color: white;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-full);
}

.pricing-title {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.pricing-price {
    margin-bottom: 1.5rem;
    display: flex;
    align-items: baseline;
}

.pricing-price .currency {
    font-size: 1.5rem;
    font-weight: 600;
}

.pricing-price .num {
    font-size: 3rem;
    font-weight: 800;
    font-family: var(--font-heading);
    margin-left: 0.1rem;
}

.pricing-price .period {
    font-size: 0.95rem;
    color: var(--text-muted);
    margin-left: 0.25rem;
}

.pricing-desc {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 2rem;
}

.pricing-features {
    list-style: none;
    margin-bottom: 2.5rem;
    flex-grow: 1;
}

.pricing-features li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.pricing-features li svg {
    color: var(--color-secondary);
    flex-shrink: 0;
}

.pricing-features li.disabled {
    color: var(--text-muted);
    text-decoration: line-through;
}

.pricing-features li.disabled svg {
    color: var(--text-muted);
}

.pricing-card .btn {
    width: 100%;
}

/* Tab Sections */
.tab-container {
    margin-top: 2rem;
}

.tab-headers {
    display: flex;
    justify-content: center;
    gap: 1rem;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 3rem;
    padding-bottom: 1rem;
    flex-wrap: wrap;
}

.tab-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1.1rem;
    padding: 0.5rem 1.5rem;
    cursor: pointer;
    transition: var(--transition-fast);
    position: relative;
}

.tab-btn:hover {
    color: var(--text-primary);
}

.tab-btn.active {
    color: var(--color-primary);
}

.tab-btn.active::after {
    content: '';
    position: absolute;
    bottom: -1.1rem;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--grad-primary);
    border-radius: var(--radius-full);
}

.tab-content {
    display: none;
    animation: fadeIn 0.4s ease forwards;
}

.tab-content.active {
    display: block;
}

.tutorial-step-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.tutorial-text h3 {
    font-size: 1.75rem;
    margin-bottom: 1.5rem;
}

.step-list {
    list-style: none;
}

.step-item {
    display: flex;
    gap: 1.25rem;
    margin-bottom: 1.5rem;
}

.step-num {
    width: 2.25rem;
    height: 2.25rem;
    border-radius: 50%;
    background: rgba(139, 92, 246, 0.1);
    color: var(--color-primary);
    border: 1px solid rgba(139, 92, 246, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    flex-shrink: 0;
}

.step-info h4 {
    font-size: 1.1rem;
    margin-bottom: 0.25rem;
}

.step-info p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.tutorial-visual {
    background: rgba(17, 24, 39, 0.5);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 2rem;
    position: relative;
    overflow: hidden;
}

.tutorial-code-box {
    background: #000;
    border-radius: var(--radius-sm);
    padding: 1.25rem;
    font-family: monospace;
    font-size: 0.85rem;
    color: #4ade80;
    border: 1px solid #1e293b;
    margin-bottom: 1.5rem;
    position: relative;
}

.copy-btn {
    position: absolute;
    right: 0.75rem;
    top: 0.75rem;
    background: #1e293b;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: 0.75rem;
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
    cursor: pointer;
}

.copy-btn:hover {
    color: var(--text-primary);
    background: #334155;
}

/* User Reviews Section */
.review-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.review-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    position: relative;
}

.review-stars {
    display: flex;
    gap: 0.25rem;
    color: #f59e0b;
    margin-bottom: 1rem;
}

.review-content {
    font-style: italic;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    font-size: 0.975rem;
}

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

.author-avatar {
    width: 3rem;
    height: 3rem;
    background: var(--grad-secondary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: white;
}

.author-info h4 {
    font-size: 1rem;
}

.author-info p {
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* FAQ Section */
.faq-accordion {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    margin-bottom: 1rem;
    overflow: hidden;
    transition: var(--transition-normal);
}

.faq-header {
    width: 100%;
    padding: 1.5rem 2rem;
    background: none;
    border: none;
    text-align: left;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    font-family: var(--font-heading);
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
}

.faq-header:hover {
    background: rgba(255, 255, 255, 0.02);
}

.faq-icon {
    width: 1.5rem;
    height: 1.5rem;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.05);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: var(--transition-normal);
}

.faq-item.active {
    border-color: var(--color-primary);
}

.faq-item.active .faq-icon {
    transform: rotate(180deg);
    background: var(--color-primary);
    color: white;
}

.faq-body {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-normal);
}

.faq-content {
    padding: 0 2rem 1.5rem;
    color: var(--text-secondary);
    font-size: 0.975rem;
    line-height: 1.7;
    border-top: 1px solid rgba(255, 255, 255, 0.03);
    padding-top: 1rem;
}

/* Articles Section */
.article-section-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 2.5rem;
}

.article-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: all var(--transition-normal);
}

.article-card:hover {
    transform: translateY(-5px);
    border-color: rgba(6, 182, 212, 0.3);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3);
}

.article-meta {
    padding: 1.5rem 1.75rem 0.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.article-category {
    background: rgba(6, 182, 212, 0.1);
    color: var(--color-secondary);
    padding: 0.2rem 0.6rem;
    border-radius: var(--radius-sm);
    font-weight: 600;
}

.article-card-content {
    padding: 0.75rem 1.75rem 2rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.article-card-content h3 {
    font-size: 1.35rem;
    margin-bottom: 0.75rem;
    line-height: 1.35;
}

.article-card-content p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-height: 1.6;
}

.article-link {
    color: var(--color-secondary);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    font-size: 0.95rem;
}

.article-link:hover {
    color: var(--color-secondary-hover);
    gap: 0.5rem;
}

/* Footer styling */
.footer {
    background: #060910;
    border-top: 1px solid var(--border-color);
    padding: 5rem 0 2rem;
    color: var(--text-secondary);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr repeat(3, 1fr);
    gap: 4rem;
    margin-bottom: 4rem;
}

.footer-brand h3 {
    font-size: 1.5rem;
    margin-bottom: 1.25rem;
    color: var(--text-primary);
}

.footer-brand p {
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
    max-width: 280px;
}

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

.footer-brand-features div {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
}

.footer-brand-features svg {
    color: var(--color-primary);
}

.footer-col h4 {
    font-size: 1.1rem;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    font-size: 0.925rem;
}

.footer-links a:hover {
    color: var(--text-primary);
    padding-left: 0.25rem;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding-top: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1.5rem;
    font-size: 0.875rem;
    color: var(--text-muted);
}

.footer-legal-links {
    display: flex;
    gap: 1.5rem;
}

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

/* Article Page Layout (SEO Blog Post View) */
.article-page {
    padding-top: 8rem;
    padding-bottom: 6rem;
}

.article-container {
    max-width: 900px;
    margin: 0 auto;
}

.article-breadcrumb {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 2rem;
}

.article-header {
    margin-bottom: 3rem;
}

.article-header h1 {
    font-size: 2.75rem;
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

.article-post-meta {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    color: var(--text-secondary);
    font-size: 0.95rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 1.5rem;
}

.article-body {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #e2e8f0;
}

.article-body h2 {
    font-size: 1.85rem;
    margin: 3rem 0 1.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.article-body h3 {
    font-size: 1.45rem;
    margin: 2rem 0 1rem;
}

.article-body p {
    margin-bottom: 1.75rem;
}

.article-body ul, .article-body ol {
    margin-bottom: 1.75rem;
    padding-left: 2rem;
}

.article-body li {
    margin-bottom: 0.5rem;
}

.article-body blockquote {
    border-left: 4px solid var(--color-primary);
    background: rgba(139, 92, 246, 0.05);
    padding: 1.5rem;
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    margin: 2.5rem 0;
    font-style: italic;
    color: var(--text-secondary);
}

.article-body table {
    width: 100%;
    border-collapse: collapse;
    margin: 2.5rem 0;
    font-size: 0.95rem;
}

.article-body th, .article-body td {
    border: 1px solid var(--border-color);
    padding: 0.75rem 1rem;
    text-align: left;
}

.article-body th {
    background: rgba(255, 255, 255, 0.03);
    font-weight: 600;
}

.article-body tr:nth-child(even) td {
    background: rgba(255, 255, 255, 0.01);
}

.article-body strong {
    color: white;
}

.article-cta-box {
    background: radial-gradient(circle at 100% 0%, rgba(6, 182, 212, 0.1) 0%, rgba(139, 92, 246, 0.1) 100%);
    border: 1px solid rgba(139, 92, 246, 0.3);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    margin: 3.5rem 0;
    text-align: center;
}

.article-cta-box h4 {
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
}

.article-cta-box p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    font-size: 1rem;
}

.related-section {
    margin-top: 5rem;
    border-top: 1px solid var(--border-color);
    padding-top: 4rem;
}

.related-title {
    font-size: 1.75rem;
    margin-bottom: 2.5rem;
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Media Queries */
@media (max-width: 1024px) {
    .hero-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
        text-align: center;
    }
    .hero-title {
        font-size: 3rem;
    }
    .hero-desc {
        margin-left: auto;
        margin-right: auto;
    }
    .hero-ctas {
        justify-content: center;
    }
    .hero-features {
        justify-content: center;
    }
    .footer-grid {
        grid-template-columns: 1.2fr 1fr 1fr;
        gap: 3rem;
    }
}

@media (max-width: 768px) {
    .section {
        padding: 4rem 0;
    }
    .section-title {
        font-size: 2rem;
    }
    .nav-menu {
        position: fixed;
        top: 4.5rem;
        left: -100%;
        width: 100%;
        height: calc(100vh - 4.5rem);
        background: var(--bg-main);
        justify-content: center;
        align-items: center;
        transition: var(--transition-normal);
        z-index: 99;
    }
    .nav-menu ul {
        flex-direction: column;
        align-items: center;
        gap: 2rem;
    }
    .nav-menu.active {
        left: 0;
    }
    .nav-toggle {
        display: flex;
    }
    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }
    .tutorial-step-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
    .footer-brand {
        text-align: center;
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    .footer-col {
        text-align: center;
    }
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    .article-header h1 {
        font-size: 2.2rem;
    }
}