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

:root {
    --bg-base: #06070a;
    --bg-surface: #0d0e15;
    --bg-card: rgba(20, 22, 35, 0.45);
    --bg-card-hover: rgba(30, 32, 50, 0.6);
    --border-color: rgba(255, 255, 255, 0.08);
    --border-hover: rgba(59, 130, 246, 0.4);
    
    --primary: #3b82f6;
    --primary-glow: rgba(59, 130, 246, 0.25);
    --secondary: #8b5cf6;
    --secondary-glow: rgba(139, 92, 246, 0.25);
    --accent: #10b981;
    --accent-glow: rgba(16, 185, 129, 0.2);
    
    --text-primary: #f3f4f6;
    --text-muted: #9ca3af;
    --text-dark: #4b5563;
    
    --font-heading: 'Space Grotesk', sans-serif;
    --font-body: 'Outfit', sans-serif;
    
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --border-radius: 16px;
    --border-radius-sm: 8px;
    --border-radius-lg: 24px;
}

/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    background-color: var(--bg-base);
    color: var(--text-primary);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

/* Scrollbar styling */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: var(--bg-base);
}
::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--primary);
}

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

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

/* Background Gradients Glows */
body::before {
    content: '';
    position: absolute;
    top: 15%;
    left: 10%;
    width: 40vw;
    height: 40vw;
    background: radial-gradient(circle, var(--primary-glow) 0%, transparent 70%);
    z-index: -1;
    pointer-events: none;
    filter: blur(80px);
}

body::after {
    content: '';
    position: absolute;
    bottom: 25%;
    right: 5%;
    width: 45vw;
    height: 45vw;
    background: radial-gradient(circle, var(--secondary-glow) 0%, transparent 70%);
    z-index: -1;
    pointer-events: none;
    filter: blur(100px);
}

/* Header & Navbar */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(6, 7, 10, 0.7);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition);
}

header.scrolled {
    padding: 10px 0;
    background: rgba(6, 7, 10, 0.9);
    border-bottom: 1px solid rgba(59, 130, 246, 0.15);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1.25rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: 800;
    font-family: var(--font-heading);
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.logo img {
    height: 32px;
    width: 32px;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 2.5rem;
    list-style: none;
}

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

.nav-link:hover, .nav-link.active {
    color: var(--text-primary);
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.3);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 1.25rem;
}

.btn-lang {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.5rem 0.85rem;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: var(--transition);
}

.btn-lang:hover {
    border-color: var(--primary);
    background: rgba(59, 130, 246, 0.1);
}

.btn-login {
    font-size: 0.95rem;
    color: var(--text-muted);
    font-weight: 500;
}

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

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    padding: 0.75rem 1.75rem;
    border-radius: var(--border-radius);
    font-weight: 600;
    font-size: 0.95rem;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.5);
    background: linear-gradient(135deg, #4f46e5, #9333ea);
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--primary);
    color: var(--primary);
    padding: 0.75rem 1.75rem;
    border-radius: var(--border-radius);
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-outline:hover {
    background: rgba(59, 130, 246, 0.1);
    transform: translateY(-2px);
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: transparent;
    border: none;
    cursor: pointer;
    z-index: 1001;
}

.mobile-menu-btn span {
    width: 25px;
    height: 2px;
    background: var(--text-primary);
    transition: var(--transition);
}

/* Hero Section */
.hero {
    position: relative;
    padding: 10rem 2rem 6rem 2rem;
    min-height: 95vh;
    display: flex;
    align-items: center;
    background-image: linear-gradient(to bottom, rgba(6, 7, 10, 0.4), rgba(6, 7, 10, 0.95)), url('../images/server_background.jpg');
    background-size: cover;
    background-position: center;
    overflow: hidden;
}

/* Background overlay filter for photo similar style */
.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at center, transparent 30%, var(--bg-base) 100%);
    pointer-events: none;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 2;
}

.tag-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(16, 185, 129, 0.15);
    border: 1px solid rgba(16, 185, 129, 0.3);
    color: var(--accent);
    padding: 0.4rem 1rem;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.tag-badge span {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--accent);
    display: inline-block;
    box-shadow: 0 0 8px var(--accent);
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    line-height: 1.15;
}

.hero-title span {
    background: linear-gradient(135deg, #60a5fa, #c084fc);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-muted);
    margin-bottom: 2.5rem;
    max-width: 600px;
    line-height: 1.8;
}

.hero-subtitle strong {
    color: var(--text-primary);
}

.hero-cta {
    display: flex;
    flex-wrap: wrap;
    gap: 1.25rem;
    margin-bottom: 3rem;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    border-top: 1px solid var(--border-color);
    padding-top: 2rem;
}

.stat-item h4 {
    font-size: 1.75rem;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.stat-item h4 span {
    color: var(--primary);
}

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

/* Glass Card */
.glass-card {
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: 2.5rem;
    transition: var(--transition);
}

.glass-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(59, 130, 246, 0.15);
}

.hero-node-card {
    position: relative;
    overflow: hidden;
}

.hero-node-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 50%;
    height: 100%;
    background: linear-gradient(to right, transparent, rgba(255, 255, 255, 0.05), transparent);
    transform: skewX(-25deg);
    transition: 0.75s;
}

.hero-node-card:hover::before {
    left: 125%;
}

.node-list-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1.25rem;
    display: flex;
    justify-content: space-between;
}

.node-list-title span {
    color: var(--accent);
}

.node-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.node-item {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    padding: 0.75rem 1rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.node-info {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
}

.node-flag {
    width: 20px;
    height: 15px;
    object-fit: cover;
    border-radius: 2px;
}

.node-latency {
    font-size: 0.8rem;
    color: var(--accent);
    font-family: var(--font-heading);
}

.node-latency.slow {
    color: #f59e0b;
}

/* Sections */
section {
    padding: 7rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 4.5rem auto;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
}

.section-title span {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.section-desc {
    color: var(--text-muted);
    font-size: 1.1rem;
}

/* Core Features */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.feature-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-glow), var(--secondary-glow));
    border-radius: var(--border-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    color: var(--primary);
    font-size: 1.5rem;
    border: 1px solid rgba(59, 130, 246, 0.2);
}

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

.feature-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* Pricing Section */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    align-items: stretch;
}

.pricing-card {
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    height: 100%;
}

.pricing-card.popular {
    border-color: var(--primary);
    box-shadow: 0 10px 30px rgba(59, 130, 246, 0.15);
    background: linear-gradient(180deg, rgba(20, 22, 35, 0.6) 0%, rgba(20, 22, 35, 0.45) 100%);
}

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 0.25rem 1rem;
    border-radius: 50px;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.plan-header {
    margin-bottom: 2rem;
}

.plan-name {
    font-size: 1.25rem;
    color: var(--text-muted);
    font-weight: 600;
    margin-bottom: 1rem;
}

.plan-price {
    font-size: 2.75rem;
    font-weight: 800;
    color: var(--text-primary);
    font-family: var(--font-heading);
    display: flex;
    align-items: baseline;
}

.plan-price span {
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-muted);
    margin-left: 4px;
}

.plan-desc {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 0.5rem;
}

.plan-features {
    list-style: none;
    margin-bottom: 2.5rem;
}

.plan-features li {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 0.85rem;
    font-size: 0.95rem;
}

.plan-features svg {
    color: var(--accent);
    flex-shrink: 0;
}

.plan-features li.disabled {
    color: var(--text-dark);
}

.plan-features li.disabled svg {
    color: var(--text-dark);
}

.pricing-card .btn-primary, .pricing-card .btn-outline {
    width: 100%;
    justify-content: center;
    margin-top: auto;
}

/* User Testimonials */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.testimonial-card {
    padding: 2rem;
}

.testimonial-rating {
    color: #fbbf24;
    display: flex;
    gap: 4px;
    margin-bottom: 1rem;
}

.testimonial-text {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 1.5rem;
    font-style: italic;
}

.testimonial-user {
    display: flex;
    align-items: center;
    gap: 12px;
}

.user-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--border-color);
}

.user-info h4 {
    font-size: 0.95rem;
    font-weight: 600;
}

.user-info p {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* Articles Section */
.articles-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.article-card {
    display: flex;
    flex-direction: column;
    padding: 2rem;
    height: 100%;
}

.article-meta {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 0.75rem;
    display: flex;
    justify-content: space-between;
}

.article-title {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 1rem;
    line-height: 1.4;
    color: var(--text-primary);
}

.article-card:hover .article-title {
    color: var(--primary);
}

.article-excerpt {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

.article-link {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--primary);
    display: flex;
    align-items: center;
    gap: 6px;
}

.article-card:hover .article-link {
    gap: 10px;
}

/* FAQ Section (Accordion) */
.faq-accordion {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.faq-item {
    border: 1px solid var(--border-color);
    background: var(--bg-card);
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: var(--transition);
}

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

.faq-question {
    width: 100%;
    padding: 1.5rem;
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 600;
    text-align: left;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
}

.faq-icon {
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.faq-icon::before, .faq-icon::after {
    content: '';
    position: absolute;
    background-color: var(--text-primary);
    transition: var(--transition);
}

.faq-icon::before {
    width: 12px;
    height: 2px;
}

.faq-icon::after {
    width: 2px;
    height: 12px;
}

.faq-item.active .faq-icon::after {
    transform: rotate(90deg);
    opacity: 0;
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s cubic-bezier(0, 1, 0, 1);
}

.faq-answer p {
    padding: 0 1.5rem 1.5rem 1.5rem;
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.7;
}

.faq-item.active .faq-answer {
    max-height: 1000px;
    transition: max-height 0.3s cubic-bezier(1, 0, 1, 0);
}

/* Call to Action Banner */
.cta-banner {
    margin: 4rem auto;
    padding: 4rem 2rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-banner::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 150%;
    height: 150%;
    background: radial-gradient(circle, var(--primary-glow) 0%, transparent 60%);
    z-index: -1;
    pointer-events: none;
}

.cta-title {
    font-size: 2.25rem;
    font-weight: 800;
    margin-bottom: 1rem;
}

.cta-desc {
    color: var(--text-muted);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto 2.5rem auto;
}

/* Footer */
footer {
    background: #020306;
    border-top: 1px solid var(--border-color);
    padding: 5rem 2rem 2.5rem 2rem;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.5fr repeat(3, 1fr);
    gap: 4rem;
    margin-bottom: 4rem;
}

.footer-info p {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin: 1.25rem 0;
    line-height: 1.7;
}

.social-links {
    display: flex;
    gap: 12px;
}

.social-icon {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    transition: var(--transition);
}

.social-icon:hover {
    color: var(--primary);
    border-color: var(--primary);
    background: var(--primary-glow);
    transform: translateY(-3px);
}

.footer-links h4 {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    position: relative;
    padding-bottom: 8px;
}

.footer-links h4::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 30px;
    height: 2px;
    background: var(--primary);
}

.footer-links ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
}

.footer-links a {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.footer-links a:hover {
    color: var(--primary);
    padding-left: 4px;
}

.footer-bottom {
    max-width: 1200px;
    margin: 0 auto;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1.5rem;
}

.footer-copy {
    color: var(--text-muted);
    font-size: 0.85rem;
}

.footer-meta-links {
    display: flex;
    gap: 1.5rem;
    font-size: 0.85rem;
    color: var(--text-muted);
}

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

/* Article Template Details (used inside sub-pages) */
.article-page {
    padding-top: 8rem;
}

.article-hero {
    max-width: 900px;
    margin: 0 auto 3rem auto;
    text-align: center;
}

.article-tag {
    display: inline-block;
    background: var(--primary-glow);
    border: 1px solid rgba(59, 130, 246, 0.3);
    color: var(--primary);
    padding: 0.25rem 0.75rem;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 1.25rem;
}

.article-main-title {
    font-size: 3rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

.article-meta-info {
    color: var(--text-muted);
    font-size: 0.9rem;
    display: flex;
    justify-content: center;
    gap: 1.5rem;
}

.article-body {
    max-width: 800px;
    margin: 0 auto;
    font-size: 1.1rem;
    line-height: 1.8;
    color: #d1d5db;
}

.article-body h2 {
    font-size: 1.75rem;
    color: var(--text-primary);
    margin: 2.5rem 0 1.25rem 0;
}

.article-body h3 {
    font-size: 1.35rem;
    color: var(--text-primary);
    margin: 2rem 0 1rem 0;
}

.article-body p {
    margin-bottom: 1.5rem;
}

.article-body ul, .article-body ol {
    margin-bottom: 1.5rem;
    padding-left: 2rem;
}

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

.article-body blockquote {
    background: rgba(255, 255, 255, 0.02);
    border-left: 4px solid var(--primary);
    padding: 1rem 1.5rem;
    margin: 1.5rem 0;
    border-radius: 0 var(--border-radius-sm) var(--border-radius-sm) 0;
    font-style: italic;
    color: var(--text-muted);
}

.article-body a {
    color: var(--primary);
    font-weight: 600;
    border-bottom: 1px dashed var(--primary);
}

.article-body a:hover {
    color: var(--secondary);
    border-bottom-color: var(--secondary);
}

.article-footer {
    max-width: 800px;
    margin: 4rem auto 0 auto;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

.article-navigation {
    display: flex;
    justify-content: space-between;
    gap: 2rem;
}

.nav-box {
    flex: 1;
    padding: 1.5rem;
    border-radius: var(--border-radius);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.nav-box:hover {
    border-color: var(--primary);
}

.nav-box-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.5rem;
}

.nav-box-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
}

/* Responsive Breakpoints */
@media (max-width: 1200px) {
    .pricing-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 2rem;
    }
}

@media (max-width: 1024px) {
    .hero-title {
        font-size: 3rem;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .features-grid, .testimonials-grid, .articles-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    html {
        font-size: 15px;
    }
    
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 320px;
        height: 100vh;
        background: var(--bg-surface);
        box-shadow: -10px 0 30px rgba(0, 0, 0, 0.5);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 2rem;
        z-index: 1000;
        transition: var(--transition);
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .mobile-menu-btn.active span:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }
    
    .mobile-menu-btn.active span:nth-child(2) {
        opacity: 0;
    }
    
    .mobile-menu-btn.active span:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }
    
    .hero {
        padding-top: 8rem;
    }
    
    .hero-stats {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .features-grid, .testimonials-grid, .articles-grid {
        grid-template-columns: 1fr;
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-container {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
    
    .article-navigation {
        flex-direction: column;
    }
    
    .article-main-title {
        font-size: 2.25rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .hero-cta button, .hero-cta a {
        width: 100%;
        justify-content: center;
    }
    
    .btn-lang {
        display: none; /* Hide language selector on small screens to save space */
    }
}