/* ==========================================================================
   Mitcevpn - Premium Technology SaaS Styling
   Theme: Light Pastel Colors + Soft Rounded Edges
   ========================================================================== */

:root {
  --bg-dark: #f8fafc;
  --bg-card: rgba(255, 255, 255, 0.9);
  --bg-card-hover: #ffffff;
  --border-color: rgba(226, 232, 240, 0.8);
  --border-color-glow: rgba(99, 102, 241, 0.3);
  
  --primary: #4f46e5;
  --primary-hover: #4338ca;
  --primary-glow: rgba(79, 70, 229, 0.25);
  --accent-cyan: #0284c7;
  --accent-purple: #7c3aed;
  --accent-emerald: #059669;
  
  --text-main: #0f172a;
  --text-muted: #475569;
  --text-dark: #64748b;
  
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
  --max-width: 1200px;
  --radius-sm: 14px;
  --radius-md: 22px;
  --radius-lg: 32px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--bg-dark);
  color: var(--text-main);
  font-family: var(--font-sans);
  line-height: 1.6;
}

body {
  overflow-x: hidden;
  min-height: 100vh;
  position: relative;
  max-width: 100%;
}

/* Background Ambient Soft Pastel Glows */
body::before {
  content: "";
  position: fixed;
  top: -120px;
  left: 50%;
  transform: translateX(-50%);
  width: 900px;
  height: 600px;
  background: radial-gradient(circle, rgba(224, 231, 255, 0.8) 0%, rgba(254, 215, 226, 0.5) 35%, rgba(224, 242, 254, 0.5) 70%, transparent 100%);
  pointer-events: none;
  z-index: -1;
  filter: blur(80px);
}

body::after {
  content: "";
  position: fixed;
  bottom: -150px;
  right: -100px;
  width: 700px;
  height: 500px;
  background: radial-gradient(circle, rgba(209, 250, 229, 0.5) 0%, rgba(237, 233, 254, 0.4) 50%, transparent 80%);
  pointer-events: none;
  z-index: -1;
  filter: blur(90px);
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: var(--transition);
}
a:hover {
  color: var(--accent-purple);
}

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

/* Common Typography */
h1, h2, h3, h4 {
  color: var(--text-main);
  font-weight: 800;
  line-height: 1.25;
}

.gradient-text {
  background: linear-gradient(135deg, #2563eb 0%, #7c3aed 50%, #0d9488 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1rem;
  border-radius: 9999px;
  background: rgba(224, 231, 255, 0.9);
  border: 1px solid rgba(199, 210, 254, 0.8);
  color: #4338ca;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 1rem;
  box-shadow: 0 2px 8px rgba(99, 102, 241, 0.08);
}

.section-title {
  font-size: clamp(1.8rem, 4vw, 2.75rem);
  text-align: center;
  margin-bottom: 1rem;
  color: #0f172a;
}

.section-desc {
  color: var(--text-muted);
  text-align: center;
  max-width: 650px;
  margin: 0 auto 3rem auto;
  font-size: 1.05rem;
}

/* Buttons & CTAs - Pill Shaped */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.85rem 1.85rem;
  font-size: 1rem;
  font-weight: 700;
  border-radius: 9999px;
  transition: var(--transition);
  cursor: pointer;
  border: none;
  text-align: center;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, #4f46e5 0%, #3b82f6 100%);
  color: #ffffff;
  box-shadow: 0 8px 25px rgba(79, 70, 229, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(79, 70, 229, 0.45);
  color: #ffffff;
}

.btn-secondary {
  background: #ffffff;
  color: var(--text-main);
  border: 1px solid var(--border-color);
  box-shadow: 0 4px 14px rgba(148, 163, 184, 0.12);
}

.btn-secondary:hover {
  background: #f8fafc;
  border-color: #cbd5e1;
  color: #0f172a;
  transform: translateY(-2px);
}

.btn-sm {
  padding: 0.55rem 1.25rem;
  font-size: 0.9rem;
  border-radius: 9999px;
}

/* ==========================================================================
   Header Navbar
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-color);
  box-shadow: 0 4px 20px rgba(148, 163, 184, 0.05);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4.75rem;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 1.5rem;
  font-weight: 800;
  color: #0f172a;
  letter-spacing: -0.02em;
}

.brand-icon {
  width: 2.2rem;
  height: 2.2rem;
  background: linear-gradient(135deg, #6366f1, #38bdf8);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 900;
  font-size: 1.15rem;
  box-shadow: 0 4px 14px rgba(99, 102, 241, 0.35);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  list-style: none;
}

.nav-links a {
  color: var(--text-muted);
  font-size: 0.95rem;
  font-weight: 600;
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.mobile-toggle {
  display: none;
  background: #f1f5f9;
  border: 1px solid var(--border-color);
  border-radius: 12px;
  color: var(--text-main);
  font-size: 1.4rem;
  cursor: pointer;
  padding: 0.4rem 0.75rem;
}

/* ==========================================================================
   Hero Section & Dashboard
   ========================================================================== */
.hero-section {
  padding: 4.5rem 0 5.5rem 0;
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 3rem;
  align-items: center;
}

.hero-content h1 {
  font-size: clamp(2.4rem, 5vw, 3.8rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 1.25rem;
  letter-spacing: -0.03em;
  color: #0f172a;
}

.hero-content p {
  font-size: 1.15rem;
  color: var(--text-muted);
  margin-bottom: 2.25rem;
  max-width: 520px;
}

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2.5rem;
}

.hero-stats {
  display: flex;
  gap: 2.5rem;
  padding-top: 1.75rem;
  border-top: 1px solid var(--border-color);
}

.stat-item {
  display: flex;
  flex-direction: column;
}

.stat-value {
  font-size: 1.6rem;
  font-weight: 800;
  color: #0f172a;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-dark);
  font-weight: 600;
}

/* Network Dashboard Card */
.dashboard-card {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  backdrop-filter: blur(12px);
  box-shadow: 0 20px 40px rgba(148, 163, 184, 0.15), 0 2px 6px rgba(148, 163, 184, 0.05);
  position: relative;
  overflow: hidden;
}

.dashboard-card::after {
  content: "";
  position: absolute;
  top: 0; right: 0; bottom: 0; left: 0;
  background: radial-gradient(circle at top right, rgba(224, 231, 255, 0.4), transparent 60%);
  pointer-events: none;
}

.dash-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 1rem;
  margin-bottom: 1.25rem;
  border-bottom: 1px solid var(--border-color);
}

.dash-status {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent-emerald);
}

.pulse-dot {
  width: 10px;
  height: 10px;
  background: var(--accent-emerald);
  border-radius: 50%;
  box-shadow: 0 0 12px var(--accent-emerald);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.6); }
  70% { transform: scale(1); box-shadow: 0 0 0 10px rgba(16, 185, 129, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

.dash-badges {
  display: flex;
  gap: 0.5rem;
}

.dash-badge {
  font-size: 0.75rem;
  padding: 0.25rem 0.7rem;
  border-radius: 9999px;
  background: #f1f5f9;
  color: #334155;
  border: 1px solid #e2e8f0;
  font-weight: 600;
}

.node-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.9rem;
  margin-bottom: 1.25rem;
}

.node-item {
  background: #f8fafc;
  border: 1px solid var(--border-color);
  padding: 0.9rem 1.1rem;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: var(--transition);
}

.node-item:hover {
  border-color: var(--primary);
  background: #ffffff;
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(148, 163, 184, 0.12);
}

.node-info {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.node-flag {
  font-size: 1.2rem;
}

.node-name {
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--text-main);
}

.node-sub {
  font-size: 0.75rem;
  color: var(--text-dark);
}

.node-ping {
  font-size: 0.85rem;
  font-weight: 800;
  color: var(--accent-emerald);
}

/* Network Wave & Activity */
.dash-graph {
  background: #f1f5f9;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 1.1rem;
  position: relative;
}

.graph-title {
  font-size: 0.82rem;
  color: var(--text-muted);
  font-weight: 600;
  margin-bottom: 0.5rem;
  display: flex;
  justify-content: space-between;
}

.svg-waveform {
  width: 100%;
  height: 60px;
  stroke: var(--primary);
  stroke-width: 2.5;
  fill: none;
}

/* ==========================================================================
   Bento Grid & Core Advantages
   ========================================================================== */
.section-padding {
  padding: 5.5rem 0;
}

.bento-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
}

.bento-card {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  backdrop-filter: blur(10px);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(148, 163, 184, 0.08);
}

.bento-card:hover {
  border-color: #cbd5e1;
  transform: translateY(-5px);
  box-shadow: 0 18px 36px rgba(148, 163, 184, 0.16);
}

.card-icon {
  width: 3.2rem;
  height: 3.2rem;
  border-radius: var(--radius-md);
  background: rgba(224, 231, 255, 0.8);
  border: 1px solid rgba(199, 210, 254, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 1.5rem;
  margin-bottom: 1.25rem;
}

.bento-card h3 {
  font-size: 1.35rem;
  margin-bottom: 0.75rem;
  color: #0f172a;
}

.bento-card p {
  color: var(--text-muted);
  font-size: 0.98rem;
  line-height: 1.65;
}

.bento-card.span-2 {
  grid-column: span 2;
}

/* ==========================================================================
   AI & Streaming Support Section
   ========================================================================== */
.ai-streaming-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

.scenario-card {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: 0 10px 30px rgba(148, 163, 184, 0.08);
}

.scenario-card h3 {
  font-size: 1.55rem;
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin: 1.5rem 0;
}

.tag-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: #f1f5f9;
  border: 1px solid #e2e8f0;
  border-radius: 9999px;
  font-size: 0.88rem;
  color: var(--text-main);
  font-weight: 600;
}

/* ==========================================================================
   SaaS Pricing Section
   ========================================================================== */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  align-items: stretch;
}

.pricing-card {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2.75rem 2.25rem;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: var(--transition);
  box-shadow: 0 10px 30px rgba(148, 163, 184, 0.08);
}

.pricing-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 18px 36px rgba(148, 163, 184, 0.16);
}

.pricing-card.featured {
  background: linear-gradient(180deg, #ffffff 0%, #eef2ff 100%);
  border: 2px solid var(--primary);
  box-shadow: 0 15px 40px rgba(99, 102, 241, 0.2);
  transform: scale(1.03);
}

.pricing-card.featured:hover {
  transform: scale(1.03) translateY(-5px);
}

.featured-badge {
  position: absolute;
  top: -15px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, #4f46e5, #7c3aed);
  color: #ffffff;
  font-size: 0.78rem;
  font-weight: 800;
  padding: 0.35rem 1.25rem;
  border-radius: 9999px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  box-shadow: 0 4px 14px rgba(79, 70, 229, 0.35);
}

.plan-name {
  font-size: 1.45rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
  color: #0f172a;
}

.plan-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
  min-height: 42px;
}

.plan-price {
  display: flex;
  align-items: baseline;
  gap: 0.25rem;
  margin-bottom: 1.75rem;
}

.price-currency {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary);
}

.price-amount {
  font-size: 3.2rem;
  font-weight: 900;
  color: #0f172a;
  line-height: 1;
}

.price-period {
  font-size: 0.92rem;
  color: var(--text-dark);
  font-weight: 600;
}

.plan-features {
  list-style: none;
  margin-bottom: 2rem;
  flex-grow: 1;
}

.plan-features li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.95rem;
  color: var(--text-main);
  margin-bottom: 0.85rem;
  font-weight: 500;
}

.feature-check {
  color: var(--accent-emerald);
  font-weight: 800;
}

/* ==========================================================================
   SEO Articles Section (3x3 Grid)
   ========================================================================== */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
}

.blog-card {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
  position: relative;
  box-shadow: 0 8px 24px rgba(148, 163, 184, 0.08);
}

.blog-card:hover {
  border-color: #cbd5e1;
  transform: translateY(-5px);
  box-shadow: 0 16px 32px rgba(148, 163, 184, 0.15);
}

.blog-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.85rem;
  font-size: 0.82rem;
}

.blog-category {
  color: var(--accent-cyan);
  font-weight: 700;
  background: #e0f2fe;
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
}

.blog-date {
  color: var(--text-dark);
}

.blog-card h3 {
  font-size: 1.18rem;
  margin-bottom: 0.75rem;
  line-height: 1.4;
}

.blog-card h3 a {
  color: #0f172a;
}

.blog-card h3 a:hover {
  color: var(--primary);
}

.blog-card p {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 1.25rem;
  flex-grow: 1;
}

.blog-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 1rem;
  border-top: 1px solid var(--border-color);
  font-size: 0.85rem;
  color: var(--text-dark);
}

.read-more {
  color: var(--primary);
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

/* ==========================================================================
   Testimonials Section
   ========================================================================== */
.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
}

.testimonial-card {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: 0 8px 24px rgba(148, 163, 184, 0.08);
}

.user-comment {
  font-size: 0.98rem;
  color: var(--text-muted);
  font-style: italic;
  margin-bottom: 1.5rem;
  line-height: 1.65;
}

.user-profile {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.user-avatar {
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 50%;
  background: linear-gradient(135deg, #6366f1, #a855f7);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 800;
  font-size: 0.95rem;
}

.user-info h4 {
  font-size: 0.98rem;
  color: #0f172a;
}

.user-info span {
  font-size: 0.82rem;
  color: var(--text-dark);
}

/* ==========================================================================
   FAQ Accordion Section
   ========================================================================== */
.faq-container {
  max-width: 840px;
  margin: 0 auto;
}

.faq-item {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  margin-bottom: 1rem;
  overflow: hidden;
  transition: var(--transition);
  box-shadow: 0 4px 12px rgba(148, 163, 184, 0.06);
}

.faq-item:hover {
  border-color: #cbd5e1;
}

.faq-question {
  width: 100%;
  padding: 1.35rem 1.6rem;
  background: transparent;
  border: none;
  color: #0f172a;
  font-size: 1.08rem;
  font-weight: 700;
  text-align: left;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
}

.faq-icon {
  font-size: 1.1rem;
  transition: transform 0.3s ease;
  color: var(--primary);
}

.faq-item.active .faq-icon {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
  padding: 0 1.6rem;
  color: var(--text-muted);
  font-size: 0.98rem;
  line-height: 1.7;
}

.faq-item.active .faq-answer {
  max-height: 300px;
  padding: 0 1.6rem 1.35rem 1.6rem;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  background: #f1f5f9;
  border-top: 1px solid var(--border-color);
  padding: 4.5rem 0 2.5rem 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: 3rem;
  margin-bottom: 3.5rem;
}

.footer-brand p {
  color: var(--text-muted);
  font-size: 0.92rem;
  margin-top: 1.25rem;
  max-width: 320px;
}

.footer-col h4 {
  font-size: 1.05rem;
  color: #0f172a;
  margin-bottom: 1.25rem;
  font-weight: 700;
}

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

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

.footer-links a {
  color: var(--text-muted);
  font-size: 0.92rem;
  font-weight: 500;
}

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

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid #e2e8f0;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  align-items: center;
  justify-content: space-between;
  font-size: 0.88rem;
  color: var(--text-dark);
}

.recommended-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  align-items: center;
  justify-content: center;
}

.recommended-links a {
  color: var(--text-muted);
  font-size: 0.88rem;
  border-bottom: 1px dotted #cbd5e1;
  padding-bottom: 2px;
}

.recommended-links a:hover {
  color: var(--primary);
  border-bottom-color: var(--primary);
}

/* ==========================================================================
   Article Detail Page Layout
   ========================================================================== */
.article-header {
  padding: 3rem 0 2rem 0;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 2.5rem;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  color: var(--text-dark);
  margin-bottom: 1.5rem;
}

.breadcrumb a {
  color: var(--text-muted);
}
.breadcrumb a:hover {
  color: var(--primary);
}

.article-title {
  font-size: clamp(2rem, 4vw, 2.75rem);
  margin-bottom: 1.25rem;
  line-height: 1.2;
  color: #0f172a;
}

.article-meta-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.5rem;
  font-size: 0.9rem;
  color: var(--text-dark);
}

.article-container {
  max-width: 860px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.article-body {
  font-size: 1.08rem;
  line-height: 1.85;
  color: #334155;
}

.article-body h2 {
  font-size: 1.8rem;
  margin: 2.75rem 0 1.25rem 0;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border-color);
  color: #0f172a;
}

.article-body h3 {
  font-size: 1.38rem;
  margin: 2rem 0 0.85rem 0;
  color: #1e293b;
}

.article-body p {
  margin-bottom: 1.5rem;
  color: #334155;
}

.article-body ul, .article-body ol {
  margin: 0 0 1.5rem 1.5rem;
  color: #334155;
}

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

.article-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 2.25rem 0;
  font-size: 0.95rem;
  background: #ffffff;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-color);
  box-shadow: 0 6px 18px rgba(148, 163, 184, 0.08);
}

.article-body th, .article-body td {
  padding: 0.95rem 1.2rem;
  text-align: left;
  border-bottom: 1px solid var(--border-color);
}

.article-body th {
  background: #f1f5f9;
  color: #0f172a;
  font-weight: 700;
}

.callout-box {
  background: #eef2ff;
  border-left: 5px solid var(--primary);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: 1.5rem 1.75rem;
  margin: 2.25rem 0;
}

.callout-box h4 {
  font-size: 1.1rem;
  color: #4338ca;
  margin-bottom: 0.5rem;
}

.callout-box p {
  margin-bottom: 0;
  font-size: 0.98rem;
  color: #334155;
}

.article-cta-box {
  background: linear-gradient(135deg, #eef2ff 0%, #e0f2fe 100%);
  border: 1px solid #c7d2fe;
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  text-align: center;
  margin: 3.5rem 0;
  box-shadow: 0 10px 30px rgba(99, 102, 241, 0.1);
}

.article-cta-box h3 {
  margin-top: 0;
  color: #0f172a;
}

.related-articles {
  margin-top: 4rem;
  padding-top: 2.75rem;
  border-top: 1px solid var(--border-color);
}

.related-articles h3 {
  font-size: 1.55rem;
  margin-bottom: 1.75rem;
  color: #0f172a;
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */

@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .bento-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .bento-card.span-2 {
    grid-column: span 1;
  }

  .pricing-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .pricing-card.featured {
    transform: none;
    grid-column: span 2;
  }
  .pricing-card.featured:hover {
    transform: translateY(-5px);
  }

  .blog-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .testimonial-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
  }
}

@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 4.75rem;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 2rem 1.5rem;
    gap: 1.25rem;
    border-bottom: 1px solid var(--border-color);
    border-radius: 0 0 28px 28px;
    transform: translateY(-150%);
    transition: transform 0.35s ease;
    box-shadow: 0 20px 40px rgba(148, 163, 184, 0.2);
  }

  .nav-links.mobile-open {
    transform: translateY(0);
  }

  .mobile-toggle {
    display: block;
  }

  .nav-actions .btn {
    display: none;
  }

  .bento-grid,
  .ai-streaming-grid,
  .pricing-grid,
  .blog-grid,
  .testimonial-grid {
    grid-template-columns: 1fr;
  }

  .pricing-card.featured {
    grid-column: span 1;
  }

  .node-list {
    grid-template-columns: 1fr;
  }

  .hero-stats {
    flex-wrap: wrap;
    gap: 1.5rem;
  }

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

  .footer-bottom {
    text-align: center;
  }

  .article-body table {
    display: block;
    overflow-x: auto;
    white-space: nowrap;
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}