@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Orbitron:wght@600;800;900&family=Outfit:wght@300;400;500;600;700;800&display=swap');

/* --- Modern Design System & Variables --- */
:root {
  --bg-color: #06050c;
  --bg-gradient: radial-gradient(circle at 50% 50%, #120e2e 0%, #06050c 100%);
  --card-bg: rgba(25, 20, 50, 0.4);
  --card-border: rgba(255, 255, 255, 0.08);
  --card-border-hover: rgba(139, 92, 246, 0.5);
  
  --text-primary: #f3f4f6;
  --text-secondary: #9ca3af;
  --text-muted: #6b7280;
  
  --primary: #8b5cf6;       /* Violet */
  --primary-glow: rgba(139, 92, 246, 0.4);
  --secondary: #06b6d4;     /* Cyan */
  --secondary-glow: rgba(6, 182, 212, 0.4);
  
  --accent: #ec4899;        /* Pink */
  
  --font-sans: 'Outfit', 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-tech: 'Orbitron', var(--font-sans);
}

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

html {
  scroll-behavior: smooth;
  font-family: var(--font-sans);
  background-color: var(--bg-color);
  color: var(--text-primary);
  overflow-x: hidden;
}

body {
  background: radial-gradient(circle at 50% 50%, rgba(18, 14, 46, 0.95) 0%, rgba(6, 5, 12, 1) 100%),
              linear-gradient(rgba(139, 92, 246, 0.04) 1px, transparent 1px),
              linear-gradient(90deg, rgba(139, 92, 246, 0.04) 1px, transparent 1px);
  background-size: 100% 100%, 45px 45px, 45px 45px;
  background-attachment: fixed;
  min-height: 100vh;
  line-height: 1.6;
  position: relative;
}

body::before {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 200%;
  background: linear-gradient(rgba(6, 182, 212, 0.02) 1px, transparent 1px),
              linear-gradient(90deg, rgba(6, 182, 212, 0.02) 1px, transparent 1px);
  background-size: 90px 90px;
  transform: perspective(500px) rotateX(60deg) translateY(-30%) translateZ(0);
  transform-origin: top center;
  animation: grid-scroll 24s linear infinite;
  z-index: -2;
  pointer-events: none;
}

@keyframes grid-scroll {
  0% {
    background-position: 0 0;
  }
  100% {
    background-position: 0 100%;
  }
}

/* Mouse Tail Particle Style */
.cursor-particle {
  position: absolute;
  pointer-events: none;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  z-index: 99999;
  mix-blend-mode: screen;
}

/* --- Typography --- */
h1, h2, h3, h4 {
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.25;
}

.gradient-text {
  background: linear-gradient(135deg, #00f2fe 0%, #4facfe 30%, #8b5cf6 70%, #ec4899 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* --- Layout Components --- */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* Floating Navigation Header */
header.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(6, 5, 12, 0.6);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--card-border);
  padding: 1rem 0;
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.5rem;
  font-weight: 800;
  text-decoration: none;
  color: var(--text-primary);
}

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

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  text-decoration: none;
  color: var(--text-secondary);
  font-size: 0.95rem;
  font-weight: 500;
  transition: color 0.3s;
}

.nav-links a:hover {
  color: var(--secondary);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  border-radius: 9999px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  cursor: pointer;
  border: none;
  font-size: 0.95rem;
}

.btn-primary {
  background: linear-gradient(135deg, var(--secondary), var(--primary));
  color: #fff;
  box-shadow: 0 4px 20px var(--primary-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 25px rgba(6, 182, 212, 0.6);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-primary);
  border: 1px solid var(--card-border);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.15);
  transform: translateY(-2px);
}

.btn-outline-glow {
  background: transparent;
  color: var(--secondary);
  border: 1px solid var(--secondary);
  box-shadow: 0 0 10px rgba(6, 182, 212, 0.2);
}

.btn-outline-glow:hover {
  background: var(--secondary);
  color: #000;
  box-shadow: 0 0 20px var(--secondary-glow);
  transform: translateY(-2px);
}

/* --- Hero Section & Globe --- */
.hero {
  padding: 8rem 0 4rem;
  display: flex;
  align-items: center;
  min-height: calc(90vh - 70px);
  position: relative;
  overflow: hidden;
}

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

/* VPN Status Badge (Left) */
.vpn-status-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(6, 182, 212, 0.08);
  border: 1px solid rgba(6, 182, 212, 0.25);
  border-radius: 9999px;
  padding: 0.35rem 0.9rem;
  margin-bottom: 1.25rem;
}

.pulse-dot {
  width: 7px;
  height: 7px;
  background-color: var(--secondary);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--secondary);
  animation: pulse-glow 1.5s infinite alternate;
}

@keyframes pulse-glow {
  0% {
    opacity: 0.4;
    transform: scale(0.8);
  }
  100% {
    opacity: 1;
    transform: scale(1.2);
    box-shadow: 0 0 14px var(--secondary), 0 0 4px var(--secondary);
  }
}

.vpn-status-text {
  font-family: var(--font-tech);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--secondary);
  text-shadow: 0 0 8px rgba(6, 182, 212, 0.3);
}

.hero-content h1 {
  font-family: var(--font-tech);
  font-size: 3.5rem;
  margin-bottom: 1.5rem;
  font-weight: 900;
  line-height: 1.15;
  text-shadow: 0 0 30px rgba(139, 92, 246, 0.15);
}

.hero-content p {
  font-size: 1.15rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  max-width: 600px;
}

/* VPN Feature Tags (Left) */
.vpn-feature-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-bottom: 2.25rem;
}

.tag-item {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--card-border);
  border-radius: 8px;
  padding: 0.4rem 0.8rem;
  font-size: 0.82rem;
  color: var(--text-secondary);
  font-family: var(--font-sans);
  font-weight: 500;
  transition: all 0.3s ease;
}

.tag-item:hover {
  background: rgba(139, 92, 246, 0.08);
  border-color: var(--primary);
  color: var(--text-primary);
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(139, 92, 246, 0.15);
}

.tag-icon {
  font-size: 0.9rem;
}

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

.hero-globe-container {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}

.globe-canvas-wrapper {
  position: relative;
  width: 420px;
  height: 420px;
  max-width: 100%;
}

canvas#globeCanvas {
  width: 100%;
  height: 100%;
  border-radius: 50%;
}

.globe-glow-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  box-shadow: inset 0 0 50px rgba(6, 182, 212, 0.3),
              0 0 60px rgba(139, 92, 246, 0.15);
  pointer-events: none;
}

/* Floating VPN Spec Bubbles */
.floating-bubble {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: rgba(12, 10, 28, 0.65);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 14px;
  padding: 0.6rem 0.9rem;
  z-index: 10;
  pointer-events: auto;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4),
              0 0 15px rgba(139, 92, 246, 0.08);
  transition: all 0.3s ease;
  width: max-content;
}

.floating-bubble:hover {
  transform: scale(1.05) translateY(-3px) !important;
  border-color: var(--card-border-hover);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5),
              0 0 20px rgba(139, 92, 246, 0.2);
}

.bubble-icon {
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--card-border);
  border-radius: 8px;
}

.bubble-info {
  display: flex;
  flex-direction: column;
}

.b-title {
  font-size: 0.8rem;
  font-weight: 700;
  color: #fff;
  font-family: var(--font-sans);
}

.b-desc {
  font-size: 0.65rem;
  color: var(--text-secondary);
}

/* Positionings and Float Animations */
.bubble-left-top {
  top: 10%;
  left: -40px;
  animation: bubble-float-1 6s ease-in-out infinite;
}

.bubble-left-bottom {
  bottom: 12%;
  left: -55px;
  animation: bubble-float-2 7s ease-in-out infinite;
}

.bubble-right-middle {
  top: 45%;
  right: -50px;
  animation: bubble-float-3 5.5s ease-in-out infinite;
}

@keyframes bubble-float-1 {
  0%, 100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-12px);
  }
}

@keyframes bubble-float-2 {
  0%, 100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-15px);
  }
}

@keyframes bubble-float-3 {
  0%, 100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-10px);
  }
}

/* Globe Tooltip */
.globe-tooltip {
  position: absolute;
  transform: translate(-50%, -100%);
  background: rgba(12, 10, 28, 0.75);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 12px;
  padding: 10px 14px;
  color: var(--text-primary);
  pointer-events: none;
  z-index: 100;
  width: 190px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5),
              0 0 20px rgba(6, 182, 212, 0.15);
  opacity: 0;
  transition: opacity 0.25s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.globe-tooltip.active {
  opacity: 1;
  transform: translate(-50%, -110%);
}

.tooltip-header {
  display: flex;
  align-items: center;
  gap: 6px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding-bottom: 5px;
}

.tooltip-dot {
  width: 6px;
  height: 6px;
  background-color: #00f2fe;
  border-radius: 50%;
  box-shadow: 0 0 8px #00f2fe;
}

.tooltip-title {
  font-weight: 700;
  font-size: 0.85rem;
  color: #fff;
  flex-grow: 1;
}

.tooltip-status {
  font-size: 0.7rem;
  padding: 1px 6px;
  border-radius: 4px;
  font-weight: 600;
}

.tooltip-status.status-fast {
  background: rgba(236, 72, 153, 0.15);
  color: #ec4899;
  border: 1px solid rgba(236, 72, 153, 0.25);
}

.tooltip-status.status-rec {
  background: rgba(139, 92, 246, 0.15);
  color: #a78bfa;
  border: 1px solid rgba(139, 92, 246, 0.25);
}

.tooltip-status.status-stable {
  background: rgba(6, 182, 212, 0.15);
  color: #00f2fe;
  border: 1px solid rgba(6, 182, 212, 0.25);
}

.tooltip-body {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 0.75rem;
}

.tooltip-row {
  display: flex;
  justify-content: space-between;
}

.tooltip-row .label {
  color: var(--text-secondary);
}

.tooltip-row .value {
  color: var(--text-primary);
  font-weight: 500;
}

.tooltip-row .value.highlight {
  color: #00f2fe;
  font-weight: 600;
}

/* --- Features Grid --- */
.section {
  padding: 6rem 0;
}

.section-title {
  text-align: center;
  font-size: 2.25rem;
  margin-bottom: 1rem;
}

.section-desc {
  text-align: center;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 4rem;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2.25rem;
}

@media (max-width: 991px) {
  .features-grid {
    grid-template-columns: 1fr;
  }
}

.feature-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  padding: 2.5rem 2rem;
  border-radius: 1.25rem;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transform-style: preserve-3d;
  will-change: transform;
  transition: transform 0.15s cubic-bezier(0.25, 0.46, 0.45, 0.94), border-color 0.3s, box-shadow 0.3s, background 0.3s;
}

.feature-card:hover {
  border-color: var(--card-border-hover);
  box-shadow: 0 15px 35px rgba(139, 92, 246, 0.15);
}

.feature-icon-wrapper {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--card-border);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  transition: all 0.3s;
}

.feature-card:hover .feature-icon-wrapper {
  transform: translateY(-2px);
  background: rgba(139, 92, 246, 0.08);
  border-color: var(--primary);
  box-shadow: 0 0 15px rgba(139, 92, 246, 0.2);
}

.feature-card:nth-child(1):hover .feature-icon-wrapper {
  background: rgba(6, 182, 212, 0.08);
  border-color: var(--secondary);
  box-shadow: 0 0 15px rgba(6, 182, 212, 0.2);
}

.feature-card:nth-child(3):hover .feature-icon-wrapper {
  background: rgba(236, 72, 153, 0.08);
  border-color: var(--accent);
  box-shadow: 0 0 15px rgba(236, 72, 153, 0.2);
}

.feature-icon-svg {
  width: 28px;
  height: 28px;
}

.feature-card h3 {
  font-size: 1.3rem;
  margin-bottom: 1rem;
}

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

/* --- Pricing Plans (Strictly one row on desktop) --- */
.pricing-container {
  display: flex;
  flex-direction: row;
  justify-content: center;
  gap: 2rem;
  flex-wrap: nowrap; /* Forces them in a single row on desktop */
  width: 100%;
}

/* Card Neon Light strip at the top */
.card-neon-light {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: currentColor;
  box-shadow: 0 0 10px currentColor, 0 0 18px currentColor;
  opacity: 0.8;
  transition: all 0.3s;
}

.pricing-card {
  flex: 1;
  max-width: 380px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 1.5rem;
  padding: 3rem 2rem;
  display: flex;
  flex-direction: column;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transform-style: preserve-3d;
  will-change: transform;
  transition: transform 0.15s cubic-bezier(0.25, 0.46, 0.45, 0.94), border-color 0.3s, box-shadow 0.3s, background 0.3s;
  position: relative;
  overflow: hidden;
}

/* Pricing Cards Unique Color-coding & Lights */
.pricing-card.basic {
  color: var(--secondary);
  border-color: rgba(6, 182, 212, 0.25);
  box-shadow: 0 0 15px rgba(6, 182, 212, 0.15);
}
.pricing-card.basic:hover {
  border-color: var(--secondary);
  box-shadow: 0 0 35px rgba(6, 182, 212, 0.45), inset 0 0 15px rgba(6, 182, 212, 0.15);
}
.pricing-card.basic .btn-subscription {
  background: linear-gradient(135deg, rgba(6, 182, 212, 0.08), rgba(6, 182, 212, 0.15));
  color: var(--secondary);
  border: 1px solid var(--secondary);
}
.pricing-card.basic .btn-subscription:hover {
  background: var(--secondary);
  color: #000;
  box-shadow: 0 0 20px rgba(6, 182, 212, 0.4);
}

.pricing-card.popular {
  color: var(--primary);
  border-color: rgba(139, 92, 246, 0.4);
  background: linear-gradient(180deg, rgba(139, 92, 246, 0.12) 0%, rgba(25, 20, 50, 0.4) 100%);
  box-shadow: 0 0 25px rgba(139, 92, 246, 0.25);
}
.pricing-card.popular:hover {
  border-color: rgba(139, 92, 246, 0.8);
  box-shadow: 0 0 45px rgba(139, 92, 246, 0.6), inset 0 0 20px rgba(139, 92, 246, 0.2);
}
.pricing-card.popular .btn-subscription {
  background: linear-gradient(135deg, var(--secondary), var(--primary));
  color: #fff;
  box-shadow: 0 4px 20px var(--primary-glow);
}
.pricing-card.popular .btn-subscription:hover {
  box-shadow: 0 6px 25px rgba(6, 182, 212, 0.6);
}

.pricing-card.premium {
  color: var(--accent);
  border-color: rgba(236, 72, 153, 0.25);
  box-shadow: 0 0 15px rgba(236, 72, 153, 0.15);
}
.pricing-card.premium:hover {
  border-color: var(--accent);
  box-shadow: 0 0 35px rgba(236, 72, 153, 0.45), inset 0 0 15px rgba(236, 72, 153, 0.15);
}
.pricing-card.premium .btn-subscription {
  background: linear-gradient(135deg, rgba(236, 72, 153, 0.08), rgba(236, 72, 153, 0.15));
  color: var(--accent);
  border: 1px solid var(--accent);
}
.pricing-card.premium .btn-subscription:hover {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 0 20px rgba(236, 72, 153, 0.4);
}

.pricing-card.popular::before {
  content: 'RECOMMENDED';
  position: absolute;
  top: 1rem;
  right: 1.5rem;
  background: linear-gradient(135deg, var(--secondary), var(--primary));
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  letter-spacing: 0.05em;
}

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

.popular .plan-name {
  color: var(--text-primary);
}

.plan-price {
  font-size: 2.75rem;
  font-weight: 800;
  margin-bottom: 1.5rem;
  display: flex;
  align-items: baseline;
  gap: 0.25rem;
}

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

.plan-price span.period {
  font-size: 1rem;
  color: var(--text-muted);
  font-weight: 400;
}

.plan-features {
  list-style: none;
  margin-bottom: 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

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

.plan-features li svg {
  color: #10b981; /* Vivid green color for checkmarks */
  filter: drop-shadow(0 0 4px rgba(16, 185, 129, 0.4));
  flex-shrink: 0;
}

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

/* --- User Reviews --- */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr); /* 2 per row */
  gap: 2rem;
}

.review-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 1.25rem;
  padding: 2rem;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.review-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.review-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--secondary), var(--primary));
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.1rem;
}

.review-meta h4 {
  font-size: 1rem;
}

.review-meta span {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.review-rating {
  color: #fbbf24;
  margin-bottom: 1rem;
  font-size: 0.9rem;
}

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

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

.faq-item {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 0.75rem;
  margin-bottom: 1rem;
  overflow: hidden;
  transition: all 0.3s;
}

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

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease-out, padding 0.3s ease-out;
  padding: 0 1.5rem;
  color: var(--text-secondary);
  font-size: 0.95rem;
}

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

.faq-item.active .faq-answer {
  padding: 0 1.5rem 1.5rem 1.5rem;
  border-top: 1px solid var(--card-border);
}

.faq-icon {
  transition: transform 0.3s;
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
}

/* --- Article Index Layout --- */
.article-hub-header {
  text-align: center;
  padding: 5rem 0 3rem;
}

.articles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 2.5rem;
  margin-bottom: 4rem;
}

.article-summary-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 1.25rem;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transform-style: preserve-3d;
  will-change: transform;
  transition: transform 0.15s cubic-bezier(0.25, 0.46, 0.45, 0.94), border-color 0.3s, box-shadow 0.3s, background 0.3s;
}

.article-summary-card:hover {
  border-color: var(--card-border-hover);
  box-shadow: 0 15px 35px rgba(139, 92, 246, 0.15);
}

.article-card-banner {
  height: 180px;
  background: linear-gradient(135deg, rgba(20, 16, 44, 0.7) 0%, rgba(8, 6, 18, 0.95) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  border-bottom: 1px solid var(--card-border);
  overflow: hidden;
  position: relative;
}

/* SVG sizes and positioning */
.article-card-banner svg {
  width: 75%;
  height: auto;
  max-height: 140px;
  filter: drop-shadow(0 0 15px rgba(139, 92, 246, 0.15));
  transition: transform 0.6s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.article-summary-card:hover .article-card-banner svg {
  transform: scale(1.08) translateZ(30px);
  filter: drop-shadow(0 0 25px rgba(6, 182, 212, 0.3));
}

/* Animation 1: Speed needle and sparkles */
.speed-needle {
  transform-origin: 50px 50px;
  animation: needle-wiggle 3s ease-in-out infinite alternate;
}

@keyframes needle-wiggle {
  0% {
    transform: rotate(-10deg);
  }
  100% {
    transform: rotate(55deg);
  }
}

.sparkle-dot-1 {
  animation: sparkle-glow-1 2.5s ease-in-out infinite alternate;
}
.sparkle-dot-2 {
  animation: sparkle-glow-2 3.5s ease-in-out infinite alternate;
}
.sparkle-dot-3 {
  animation: sparkle-glow-1 3s ease-in-out infinite alternate-reverse;
}

@keyframes sparkle-glow-1 {
  0% { opacity: 0.3; transform: scale(0.8) translate(0px, 0px); }
  100% { opacity: 1; transform: scale(1.2) translate(-3px, -2px); }
}

@keyframes sparkle-glow-2 {
  0% { opacity: 0.2; transform: scale(0.7) translate(0px, 0px); }
  100% { opacity: 1; transform: scale(1.3) translate(2px, 3px); }
}

/* Animation 2: Security shield and lock shackle */
.shield-path {
  animation: shield-glow 4s ease-in-out infinite alternate;
}

@keyframes shield-glow {
  0% {
    stroke-width: 2.5px;
    filter: drop-shadow(0 0 4px rgba(236, 72, 153, 0.2));
  }
  100% {
    stroke-width: 3.5px;
    filter: drop-shadow(0 0 12px rgba(139, 92, 246, 0.5));
  }
}

.lock-shackle {
  animation: lock-unlocked 5s ease-in-out infinite alternate;
  transform-origin: 46px 28px;
}

@keyframes lock-unlocked {
  0%, 70% {
    transform: translateY(0);
  }
  85%, 100% {
    transform: translateY(-2px) rotate(-10deg);
  }
}

.wave-left {
  animation: wave-spread-left 2s infinite linear;
}
.wave-right {
  animation: wave-spread-right 2s infinite linear;
}

@keyframes wave-spread-left {
  0% {
    opacity: 0;
    transform: translateX(0) scaleX(1);
  }
  50% {
    opacity: 0.8;
  }
  100% {
    opacity: 0;
    transform: translateX(-8px) scaleX(1.3);
  }
}

@keyframes wave-spread-right {
  0% {
    opacity: 0;
    transform: translateX(0) scaleX(1);
  }
  50% {
    opacity: 0.8;
  }
  100% {
    opacity: 0;
    transform: translateX(8px) scaleX(1.3);
  }
}

/* Animation 3: Nodes connections and data packets */
.node-pulse {
  animation: node-pulse-slow 2s infinite;
}
.node-pulse-fast {
  animation: node-pulse-fast 1.5s infinite;
}

@keyframes node-pulse-slow {
  0% {
    r: 5px;
    stroke-width: 1.5px;
    stroke: rgba(255, 255, 255, 0.8);
  }
  50% {
    r: 6.5px;
    stroke-width: 2.5px;
    stroke: rgba(6, 182, 212, 0.6);
  }
  100% {
    r: 5px;
    stroke-width: 1.5px;
    stroke: rgba(255, 255, 255, 0.8);
  }
}

@keyframes node-pulse-fast {
  0% {
    r: 6px;
    stroke-width: 1.5px;
    stroke: rgba(255, 255, 255, 0.8);
  }
  50% {
    r: 8px;
    stroke-width: 3px;
    stroke: rgba(236, 72, 153, 0.8);
  }
  100% {
    r: 6px;
    stroke-width: 1.5px;
    stroke: rgba(255, 255, 255, 0.8);
  }
}

.data-packet-1 {
  animation: data-travel-1 3s infinite linear;
}
.data-packet-2 {
  animation: data-travel-2 2.5s infinite linear;
}

@keyframes data-travel-1 {
  0% {
    cx: 20px;
    cy: 30px;
    opacity: 0;
  }
  10% {
    opacity: 1;
  }
  90% {
    opacity: 1;
  }
  100% {
    cx: 80px;
    cy: 30px;
    opacity: 0;
  }
}

@keyframes data-travel-2 {
  0% {
    cx: 50px;
    cy: 15px;
    opacity: 0;
  }
  15% {
    opacity: 1;
  }
  85% {
    opacity: 1;
  }
  100% {
    cx: 80px;
    cy: 30px;
    opacity: 0;
  }
}

.article-card-content {
  padding: 2rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

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

.article-card-content p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.article-card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid rgba(255,255,255,0.05);
  padding-top: 1rem;
}

.article-tag {
  background: rgba(139, 92, 246, 0.2);
  color: var(--primary);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
}

.read-more-link {
  color: var(--secondary);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}

.read-more-link:hover {
  text-decoration: underline;
}

/* --- Article Detail View --- */
.article-detail-container {
  padding: 6rem 0;
  max-width: 900px;
  margin: 0 auto;
}

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

.article-back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  margin-bottom: 1.5rem;
  transition: color 0.3s;
}

.article-back-link:hover {
  color: var(--secondary);
}

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

.article-meta-info {
  display: flex;
  gap: 2rem;
  color: var(--text-muted);
  font-size: 0.9rem;
  border-bottom: 1px solid var(--card-border);
  padding-bottom: 1.5rem;
}

.article-body {
  font-size: 1.1rem;
  line-height: 1.85;
  color: #e5e7eb;
}

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

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

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

.article-body blockquote {
  border-left: 4px solid var(--primary);
  background: rgba(139, 92, 246, 0.08);
  padding: 1.5rem 2rem;
  border-radius: 0 0.5rem 0.5rem 0;
  margin: 2rem 0;
  font-style: italic;
  color: var(--text-secondary);
}

.article-body ul {
  list-style-type: disc;
  margin: 0 0 1.5rem 2rem;
}

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

/* Callout Box inside Articles */
.article-callout {
  background: linear-gradient(135deg, rgba(6, 182, 212, 0.1), rgba(139, 92, 246, 0.1));
  border: 1px solid var(--secondary);
  border-radius: 1rem;
  padding: 2rem;
  margin: 3rem 0;
  text-align: center;
}

.article-callout p {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  color: var(--text-primary);
}

/* Sidebar / Interlinking Box */
.related-articles-box {
  margin-top: 5rem;
  padding: 2.5rem;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 1.25rem;
}

.related-articles-box h3 {
  font-size: 1.25rem;
  margin-bottom: 1.5rem;
}

.related-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

@media (max-width: 640px) {
  .related-grid {
    grid-template-columns: 1fr;
  }
}

.related-item {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.95rem;
  display: block;
  padding: 0.75rem 1rem;
  border-radius: 0.5rem;
  border: 1px solid transparent;
  transition: all 0.3s;
}

.related-item:hover {
  background: rgba(255, 255, 255, 0.03);
  border-color: var(--card-border);
  color: var(--secondary);
}

/* --- FOOTER & PBN LINKS --- */
footer {
  margin-top: 6rem;
  padding: 4rem 0 2rem;
  background: #040308;
  border-top: 1px solid var(--card-border);
  text-align: center;
}

.footer-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
}

.footer-links-container {
  display: flex;
  gap: 3rem;
  flex-wrap: wrap;
  justify-content: center;
}

.footer-link-group h5 {
  font-size: 0.9rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1rem;
}

.footer-link-group ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer-link-group a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.3s;
}

.footer-link-group a:hover {
  color: var(--secondary);
}

/* Custom integrated PBN Links */
.footer-pbn-area {
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  width: 100%;
  max-width: 600px;
  padding-top: 1.5rem;
  margin-top: 1.5rem;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1rem;
}

.footer-pbn-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-right: 0.5rem;
}

.pbn-link {
  font-size: 0.75rem;
  color: var(--text-secondary);
  text-decoration: none;
  transition: all 0.3s;
  padding: 0.2rem 0.6rem;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 4px;
}

.pbn-link:hover {
  color: var(--secondary);
  border-color: var(--secondary);
  background: rgba(6, 182, 212, 0.05);
}

.copyright {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 1rem;
}

/* --- Responsive Adaptations --- */
@media (max-width: 968px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 3rem;
  }
  
  .hero-content h1 {
    font-size: 2.75rem;
  }
  
  .hero-content p {
    margin-left: auto;
    margin-right: auto;
  }
  
  .hero-buttons {
    justify-content: center;
  }
  
  .pricing-container {
    flex-wrap: wrap; /* On tablet/mobile, wrap to avoid overflowing */
    align-items: center;
  }
  
  .pricing-card {
    max-width: 100%;
    width: 100%;
    flex: none;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none; /* Hide traditional nav links on mobile for cleaner aesthetic */
  }
  
  .section {
    padding: 4rem 0;
  }
  
  .section-title {
    font-size: 1.75rem;
  }
  
  .article-detail-header h1 {
    font-size: 2rem;
  }
}