/* 
 * BanniGuard Premium Web Styling System
 * Complies with Google Ads Policies & Modern SEO Web Aesthetics
 */

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

:root {
  --bg-primary: #f8fafc;
  --bg-secondary: #ffffff;
  --bg-card: rgba(255, 255, 255, 0.85);
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  
  --color-primary: #0891b2;
  --color-primary-glow: rgba(8, 145, 178, 0.08);
  --color-accent: #4f46e5;
  --color-accent-glow: rgba(79, 70, 229, 0.08);
  
  --border-color: rgba(15, 23, 42, 0.08);
  --border-hover: rgba(8, 145, 178, 0.3);
  
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;
  
  --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html, body {
  width: 100%;
  overflow-x: hidden;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-body);
  line-height: 1.6;
  scroll-behavior: smooth;
}

/* Scrollbar styling */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
  background: var(--bg-secondary);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--color-primary);
}

/* Background Gradients & Glow Elements */
.glow-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: -1;
  overflow: hidden;
  pointer-events: none;
}

.glow-circle {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.15;
  animation: float 20s infinite alternate ease-in-out;
}

.glow-1 {
  top: -10%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: var(--color-primary);
}

.glow-2 {
  bottom: -10%;
  left: -10%;
  width: 500px;
  height: 500px;
  background: var(--color-accent);
  animation-delay: -5s;
}

@keyframes float {
  0% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(50px, 80px) scale(1.1); }
  100% { transform: translate(-30px, -50px) scale(0.9); }
}

/* Navbar */
header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(248, 250, 252, 0.8);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-color);
  transition: var(--transition-smooth);
}

.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: 0.75rem;
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-primary);
  text-decoration: none;
  letter-spacing: -0.5px;
}

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

.logo-icon {
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 15px rgba(37, 99, 235, 0.3);
}

.logo-icon svg {
  fill: #fff;
  width: 20px;
  height: 20px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2.25rem;
  list-style: none;
}

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

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

.nav-btn {
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  color: #fff !important;
  padding: 0.65rem 1.4rem;
  border-radius: 20px;
  font-weight: 600;
  box-shadow: 0 4px 15px rgba(37, 99, 235, 0.2);
}

.nav-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(37, 99, 235, 0.35);
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
}

.menu-toggle svg {
  stroke: var(--text-primary);
  width: 28px;
  height: 28px;
}

/* Sections Base */
section {
  padding: 5rem 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

/* Hero Section */
.hero {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  align-items: center;
  gap: 4rem;
  padding-top: 6rem;
  padding-bottom: 6rem;
  min-height: calc(100vh - 80px);
}

.hero-content h1 {
  font-family: var(--font-heading);
  font-size: 3.5rem;
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -1.5px;
  margin-bottom: 1.5rem;
}

.hero-content h1 span {
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-content p {
  color: var(--text-secondary);
  font-size: 1.15rem;
  margin-bottom: 2.5rem;
  max-width: 540px;
}

.cta-group {
  display: flex;
  gap: 1.25rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.9rem 2rem;
  border-radius: 24px;
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  transition: var(--transition-smooth);
  cursor: pointer;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  color: #fff;
  border: none;
  box-shadow: 0 6px 20px rgba(37, 99, 235, 0.25);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(37, 99, 235, 0.4);
}

.btn-secondary {
  background: rgba(15, 23, 42, 0.04);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--text-muted);
}

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

.phone-mockup-wrapper {
  position: relative;
  width: 280px;
  height: 570px;
  background: #000;
  border: 12px solid #1e293b;
  border-radius: 40px;
  box-shadow: 0 25px 60px -15px rgba(15, 23, 42, 0.25), 0 0 40px rgba(8, 145, 178, 0.1);
  overflow: hidden;
}

.phone-screen {
  width: 100%;
  height: 100%;
  background: #0f172a;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.phone-header {
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 600;
}

.phone-app-content {
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  gap: 1.5rem;
}

.phone-logo {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  border-radius: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.phone-logo svg {
  fill: #fff;
  width: 32px;
  height: 32px;
}

.phone-app-title {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 800;
}

.phone-status-pill {
  background: rgba(16, 185, 129, 0.15);
  color: #10b981;
  padding: 0.4rem 1rem;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.phone-footer {
  text-align: center;
  font-size: 0.7rem;
  color: var(--text-muted);
}

/* Features Grid */
.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 4rem auto;
}

.section-header h2 {
  font-family: var(--font-heading);
  font-size: 2.75rem;
  font-weight: 800;
  letter-spacing: -1px;
  margin-bottom: 1rem;
}

.section-header p {
  color: var(--text-secondary);
  font-size: 1.1rem;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.feature-card {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-color);
  border-radius: 24px;
  padding: 2.5rem;
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.feature-card:hover {
  transform: translateY(-5px);
  border-color: var(--border-hover);
  box-shadow: 0 15px 30px rgba(37, 99, 235, 0.08);
}

.feature-icon-box {
  width: 54px;
  height: 54px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
}

.icon-camera { background: rgba(99, 102, 241, 0.15); color: #6366f1; }
.icon-screen { background: rgba(139, 92, 246, 0.15); color: #8b5cf6; }
.icon-audio { background: rgba(13, 148, 136, 0.15); color: #0d9488; }
.icon-location { background: rgba(249, 115, 22, 0.15); color: #f97316; }
.icon-limits { background: rgba(244, 63, 94, 0.15); color: #f43f5e; }
.icon-lock { background: rgba(220, 38, 38, 0.15); color: #dc2626; }

.feature-card h3 {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 0.85rem;
}

.feature-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* Pricing Page specific styles */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2.5rem;
  align-items: stretch;
}

.pricing-card {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-color);
  border-radius: 28px;
  padding: 3rem 2.5rem;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: var(--transition-smooth);
}

.pricing-card.popular {
  border-color: var(--color-primary);
  box-shadow: 0 20px 45px rgba(37, 99, 235, 0.12);
}

.pricing-card.popular::before {
  content: 'MOST POPULAR';
  position: absolute;
  top: 1.25rem;
  right: 1.5rem;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  color: #fff;
  font-size: 0.7rem;
  font-weight: 800;
  padding: 0.35rem 0.8rem;
  border-radius: 12px;
  letter-spacing: 1px;
}

.pricing-card:hover {
  transform: translateY(-8px);
  border-color: var(--border-hover);
}

.plan-name {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
}

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

.plan-price-wrapper {
  margin-bottom: 2rem;
}

.plan-price {
  font-family: var(--font-heading);
  font-size: 3.25rem;
  font-weight: 900;
  color: var(--text-primary);
  line-height: 1;
}

.plan-price span {
  font-size: 1rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.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 {
  fill: var(--color-primary);
  flex-shrink: 0;
}

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

/* Download Instructions & Steps */
.download-hero {
  text-align: center;
  padding: 6rem 2rem 3rem 2rem;
}

.download-hero h1 {
  font-family: var(--font-heading);
  font-size: 3.5rem;
  font-weight: 900;
  margin-bottom: 1.5rem;
}

.download-hero p {
  font-size: 1.2rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

.download-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  margin-top: 4rem;
  margin-bottom: 5rem;
}

.download-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 28px;
  padding: 3.5rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  transition: var(--transition-smooth);
}

.download-card:hover {
  transform: translateY(-5px);
  border-color: var(--border-hover);
}

.download-card h2 {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 800;
  margin-top: 1.5rem;
  margin-bottom: 0.75rem;
}

.download-card p {
  color: var(--text-secondary);
  margin-bottom: 2.5rem;
  max-width: 380px;
}

.download-card .btn {
  width: 80%;
  justify-content: center;
}

.instructions-section {
  background: var(--bg-secondary);
  border-radius: 36px;
  padding: 4rem;
  border: 1px solid var(--border-color);
  margin-bottom: 5rem;
}

.instructions-section h2 {
  font-family: var(--font-heading);
  font-size: 2.25rem;
  font-weight: 800;
  margin-bottom: 3rem;
  text-align: center;
}

.steps-timeline {
  display: flex;
  flex-direction: column;
  gap: 3rem;
  position: relative;
}

.steps-timeline::before {
  content: '';
  position: absolute;
  left: 27px;
  top: 10px;
  bottom: 10px;
  width: 2px;
  background: var(--border-color);
}

.step-item {
  display: flex;
  gap: 2.5rem;
  position: relative;
}

.step-num {
  width: 56px;
  height: 56px;
  background: var(--bg-primary);
  border: 2px solid var(--color-primary);
  color: var(--text-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.25rem;
  z-index: 2;
  box-shadow: 0 0 20px rgba(37, 99, 235, 0.15);
}

.step-content {
  flex-grow: 1;
}

.step-content h3 {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.step-content p {
  color: var(--text-secondary);
}

/* Compliance and Content Pages (Privacy, Terms, Refunds) */
.legal-container {
  max-width: 800px;
  margin: 6rem auto;
  padding: 0 2rem;
}

.legal-container h1 {
  font-family: var(--font-heading);
  font-size: 3rem;
  font-weight: 900;
  margin-bottom: 1rem;
}

.legal-date {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 3rem;
}

.legal-content h2 {
  font-family: var(--font-heading);
  font-size: 1.65rem;
  font-weight: 700;
  margin-top: 2.5rem;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.legal-content p {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  font-size: 1rem;
  line-height: 1.7;
}

.legal-content ul {
  list-style: none;
  margin-left: 1rem;
  margin-bottom: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.legal-content ul li {
  position: relative;
  padding-left: 1.5rem;
  color: var(--text-secondary);
}

.legal-content ul li::before {
  content: '•';
  color: var(--color-primary);
  font-size: 1.5rem;
  position: absolute;
  left: 0;
  top: -4px;
}

/* Contact Form */
.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 4rem;
  align-items: start;
  margin-top: 3rem;
}

.contact-info h3 {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 800;
  margin-bottom: 1rem;
}

.contact-info p {
  color: var(--text-secondary);
  margin-bottom: 2rem;
}

.contact-method {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.contact-icon {
  width: 46px;
  height: 46px;
  border-radius: 10px;
  background: rgba(37, 99, 235, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
}

.contact-text h4 {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1rem;
}

.contact-text p {
  color: var(--text-secondary);
  margin: 0;
}

.contact-form-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 28px;
  padding: 3rem;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.form-group input, .form-group textarea {
  width: 100%;
  background: rgba(15, 23, 42, 0.02);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 0.9rem 1.2rem;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: var(--transition-smooth);
}

.form-group input:focus, .form-group textarea:focus {
  border-color: var(--color-primary);
  outline: none;
  background: rgba(255, 255, 255, 0.06);
}

/* Footer */
footer {
  background: #f1f5f9;
  border-top: 1px solid var(--border-color);
  padding: 5rem 2rem 2.5rem 2rem;
}

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

.footer-brand p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-top: 1.25rem;
  max-width: 280px;
}

.footer-col h4 {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
}

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

.footer-col ul a {
  text-decoration: none;
  color: var(--text-secondary);
  font-size: 0.9rem;
  transition: var(--transition-smooth);
}

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

.footer-bottom {
  max-width: 1200px;
  margin: 0 auto;
  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;
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* Responsive Rules */
@media (max-width: 992px) {
  .hero {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 3rem;
  }
  .hero-content p {
    margin-left: auto;
    margin-right: auto;
  }
  .cta-group {
    justify-content: center;
  }
  .contact-wrapper {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .footer-grid {
    grid-template-columns: 1.2fr 1fr;
    gap: 3rem;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }
  .nav-links.mobile-open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: 2rem;
    gap: 1.5rem;
    align-items: center;
    z-index: 10;
  }
  .menu-toggle {
    display: block;
  }
  .download-cards {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .instructions-section {
    padding: 2rem;
  }
  .step-item {
    gap: 1.5rem;
  }
  .step-num {
    width: 48px;
    height: 48px;
    font-size: 1.1rem;
  }
  .steps-timeline::before {
    left: 23px;
  }
}

/* Trust Banner & Stats */
.trust-banner {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(8, 145, 178, 0.06);
  border: 1px solid rgba(8, 145, 178, 0.15);
  padding: 0.5rem 1.25rem;
  border-radius: 99px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 2rem;
}

.stats-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  padding: 3rem 0;
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  margin: 4rem 0;
  text-align: center;
}

.stat-item h3 {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 900;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 0.25rem;
}

.stat-item p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
}

/* Product Showcase */
.product-showcase {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  margin-bottom: 6rem;
  padding: 0 2rem;
}

.product-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 32px;
  padding: 3.5rem;
  transition: var(--transition-smooth);
  display: flex;
  flex-direction: column;
}

.product-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-hover);
  box-shadow: 0 20px 40px rgba(15, 23, 42, 0.04);
}

.product-tag {
  display: inline-block;
  align-self: flex-start;
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 1px;
  padding: 0.35rem 0.75rem;
  border-radius: 8px;
  margin-bottom: 1.5rem;
}

.tag-parent {
  background: rgba(8, 145, 178, 0.1);
  color: var(--color-primary);
}

.tag-kid {
  background: rgba(79, 70, 229, 0.1);
  color: var(--color-accent);
}

.product-card h3 {
  font-family: var(--font-heading);
  font-size: 1.85rem;
  font-weight: 800;
  margin-bottom: 1rem;
}

.product-card p {
  color: var(--text-secondary);
}

.product-features-list {
  list-style: none;
  margin-top: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

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

.product-features-list li svg {
  color: var(--color-primary);
  flex-shrink: 0;
}

/* P2P Showcase */
.p2p-showcase {
  background: linear-gradient(180deg, rgba(8, 145, 178, 0.02) 0%, rgba(79, 70, 229, 0.02) 100%);
  border-radius: 48px;
  padding: 5rem 4rem;
  border: 1px solid var(--border-color);
  margin-bottom: 6rem;
  text-align: center;
}

.p2p-diagram {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 3rem;
  margin-top: 4rem;
  margin-bottom: 2rem;
}

.diagram-node {
  background: var(--bg-secondary);
  border: 2px solid var(--border-color);
  border-radius: 24px;
  padding: 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 200px;
  box-shadow: 0 10px 25px rgba(15, 23, 42, 0.02);
}

.diagram-node.active {
  border-color: var(--color-primary);
  box-shadow: 0 10px 30px rgba(8, 145, 178, 0.08);
}

.diagram-node img {
  width: 64px;
  height: 64px;
  border-radius: 14px;
  margin-bottom: 1rem;
  object-fit: cover;
}

.diagram-connection {
  flex-grow: 1;
  max-width: 200px;
  height: 2px;
  background: repeating-linear-gradient(90deg, var(--color-primary), var(--color-primary) 8px, transparent 8px, transparent 16px);
  position: relative;
}

.diagram-connection::after {
  content: '🔒 WebRTC P2P';
  position: absolute;
  top: -24px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-primary);
  white-space: nowrap;
}

/* Responsive updates */
@media (max-width: 768px) {
  .stats-bar {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }
  .product-showcase {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .p2p-showcase {
    padding: 3rem 2rem;
  }
  .p2p-diagram {
    flex-direction: column;
    gap: 2rem;
  }
  .diagram-connection {
    width: 2px;
    height: 60px;
    background: repeating-linear-gradient(180deg, var(--color-primary), var(--color-primary) 8px, transparent 8px, transparent 16px);
  }
  .diagram-connection::after {
    top: 50%;
    left: 20px;
    transform: translateY(-50%);
  }
}

/* FAQ Section */
.faq-section {
  max-width: 800px;
  margin: 0 auto 6rem auto;
  padding: 0 2rem;
}

.faq-grid {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin-top: 3rem;
  text-align: left;
}

.faq-item {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 1.75rem 2rem;
  box-shadow: 0 4px 12px rgba(15, 23, 42, 0.02);
  transition: var(--transition-smooth);
}

.faq-item:hover {
  border-color: var(--border-hover);
  box-shadow: 0 10px 25px rgba(8, 145, 178, 0.05);
  transform: translateY(-2px);
}

.faq-item h3 {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
}

.faq-item p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
}