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

/* ==========================================================================
   CSS Custom Variables
   ========================================================================== */
:root {
  --bg-primary: #060913;
  --bg-secondary: #0c1020;
  --bg-card: rgba(15, 22, 42, 0.6);
  --bg-card-hover: rgba(23, 33, 62, 0.8);
  
  --accent-cyan: #00f0ff;
  --accent-cyan-rgb: 0, 240, 255;
  --accent-gold: #ffd700;
  --accent-gold-rgb: 255, 215, 0;
  --accent-purple: #8b5cf6;
  
  --text-main: #f3f4f6;
  --text-muted: #9ca3af;
  --text-dark: #1f2937;
  
  --font-sans: 'Outfit', 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--bg-primary);
}

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

/* Hide Default Cursor on Desktop for Custom Cursor Trail */
@media (pointer: fine) {
  body, a, button, input, select, textarea, .faq-header, .clickable {
    cursor: none !important;
  }
}

/* ==========================================================================
   Background Tech Grid & Money Element Particles
   ========================================================================== */
.background-grid {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-image: 
    linear-gradient(rgba(0, 240, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 240, 255, 0.03) 1px, transparent 1px);
  background-size: 40px 40px;
  background-position: center center;
  z-index: -10;
  pointer-events: none;
}

.background-glow {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: -9;
  pointer-events: none;
  background: 
    radial-gradient(circle at 10% 20%, rgba(0, 240, 255, 0.08) 0%, transparent 40%),
    radial-gradient(circle at 90% 80%, rgba(255, 215, 0, 0.05) 0%, transparent 45%),
    radial-gradient(circle at 50% 50%, rgba(139, 92, 246, 0.05) 0%, transparent 50%);
}

#particles-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: -8;
  pointer-events: none;
}

/* Custom Cursor Canvas */
#custom-cursor-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 99999;
}

/* ==========================================================================
   Glassmorphism Utilities
   ========================================================================== */
.glass-panel {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: 16px;
  box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
  transition: border-color var(--transition-normal), background var(--transition-normal), transform var(--transition-normal);
}

.glass-panel:hover {
  border-color: rgba(0, 240, 255, 0.2);
  background: var(--bg-card-hover);
}

/* ==========================================================================
   Button Loop Lines (循环线)
   ========================================================================== */
.loop-btn {
  position: relative;
  overflow: hidden;
  z-index: 1;
  border: none;
  background: #090e1f;
  color: #fff;
  border-radius: 12px;
  padding: 14px 28px;
  font-weight: 700;
  font-family: var(--font-sans);
  text-transform: uppercase;
  letter-spacing: 1px;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
}

.loop-btn::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: conic-gradient(
    from 0deg,
    transparent,
    var(--accent-cyan),
    transparent 25%,
    transparent 50%,
    var(--accent-gold),
    transparent 75%,
    transparent
  );
  animation: rotate-border 3s linear infinite;
  z-index: -2;
}

.loop-btn::after {
  content: '';
  position: absolute;
  inset: 2px; /* Border thickness */
  background: #090e1f;
  border-radius: 10px;
  z-index: -1;
  transition: background var(--transition-fast);
}

.loop-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 240, 255, 0.2);
}

.loop-btn:hover::after {
  background: #111a37;
}

.loop-btn:active {
  transform: translateY(1px);
}

/* Alternate Gold Accent Button */
.loop-btn-gold::before {
  background: conic-gradient(
    from 0deg,
    transparent,
    var(--accent-gold),
    transparent 20%,
    transparent 50%,
    #ffeed1,
    transparent 70%,
    transparent
  );
}

@keyframes rotate-border {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* ==========================================================================
   Header & Navbar (Brand logo left, maximized branding)
   ========================================================================== */
header {
  position: sticky;
  top: 0;
  width: 100%;
  z-index: 100;
  background: rgba(6, 9, 19, 0.8);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(0, 240, 255, 0.1);
}

.nav-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 15px 30px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.brand-wrapper {
  display: flex;
  align-items: center;
  gap: 15px;
  text-decoration: none;
}

.brand-logo {
  width: 60px;
  height: 60px;
  filter: drop-shadow(0 0 8px rgba(0, 240, 255, 0.5));
  animation: float-logo 4s ease-in-out infinite;
}

.brand-name {
  font-family: 'Outfit', var(--font-sans);
  font-size: 2.2rem;
  font-weight: 900;
  background: linear-gradient(135deg, #fff 30%, var(--accent-gold) 70%, var(--accent-cyan) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: 2px;
  text-shadow: 0 0 20px rgba(255, 215, 0, 0.2);
}

.nav-links {
  display: flex;
  gap: 30px;
  list-style: none;
}

.nav-link {
  color: var(--text-muted);
  text-decoration: none;
  font-weight: 500;
  font-size: 1.05rem;
  transition: color var(--transition-fast);
  padding: 8px 12px;
  border-radius: 6px;
}

.nav-link:hover {
  color: var(--accent-cyan);
  text-shadow: 0 0 10px rgba(0, 240, 255, 0.3);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero {
  position: relative;
  max-width: 1400px;
  margin: 0 auto;
  padding: 100px 30px 180px 30px; /* High bottom padding to make room for overlapping pricing section */
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
  gap: 50px;
}

.hero-content {
  display: flex;
  flex-direction: column;
  gap: 30px;
}

.hero-badge {
  display: inline-flex;
  align-self: flex-start;
  align-items: center;
  gap: 8px;
  background: rgba(0, 240, 255, 0.1);
  border: 1px solid rgba(0, 240, 255, 0.3);
  padding: 8px 16px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--accent-cyan);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.hero-badge .pulse {
  width: 8px;
  height: 8px;
  background-color: var(--accent-cyan);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--accent-cyan);
  animation: pulse-glow 1.5s infinite alternate;
}

.hero-title {
  font-size: clamp(2.8rem, 5vw, 4.5rem);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -1px;
}

.hero-title span.glow-text {
  background: linear-gradient(to right, #ffffff, var(--accent-gold));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow: 0 0 30px rgba(255, 215, 0, 0.3);
}

.hero-title span.cyan-text {
  background: linear-gradient(to right, var(--accent-cyan), #3b82f6);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-desc {
  font-size: 1.25rem;
  color: var(--text-muted);
  max-width: 600px;
}

.hero-buttons {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

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

.hero-visual::before {
  content: '';
  position: absolute;
  width: 450px;
  height: 450px;
  background: radial-gradient(circle, rgba(0, 240, 255, 0.15) 0%, transparent 70%);
  z-index: -1;
  animation: pulse-visual 6s ease-in-out infinite;
}

.hero-coin-artwork {
  width: 100%;
  max-width: 420px;
  height: auto;
  filter: drop-shadow(0 0 30px rgba(0, 240, 255, 0.35)) drop-shadow(0 0 60px rgba(255, 215, 0, 0.15));
  animation: spin-and-float 12s linear infinite;
}

/* ==========================================================================
   Pricing Section (移到上一层 - Overlapping layout)
   ========================================================================== */
.pricing-section {
  position: relative;
  z-index: 20;
  margin-top: -100px; /* Moves pricing up to overlap the hero section */
  padding: 0 30px 80px 30px;
  max-width: 1400px;
  margin-left: auto;
  margin-right: auto;
}

.section-header {
  text-align: center;
  margin-bottom: 50px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 15px;
}

.section-title {
  font-size: clamp(2rem, 3.5vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.5px;
}

.section-title span {
  color: var(--accent-cyan);
  text-shadow: 0 0 15px rgba(0, 240, 255, 0.3);
}

.section-desc {
  color: var(--text-muted);
  max-width: 600px;
  font-size: 1.1rem;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
  gap: 30px;
  margin-top: 20px;
}

.pricing-card {
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 40px 30px;
  height: 100%;
}

/* Featured / Best Value Card Glowing Border */
.pricing-card.featured {
  border-color: rgba(255, 215, 0, 0.4);
  background: rgba(20, 28, 55, 0.7);
  box-shadow: 0 8px 32px 0 rgba(255, 215, 0, 0.1);
}

.pricing-card.featured::before {
  content: '推荐套餐';
  position: absolute;
  top: 20px;
  right: -30px;
  background: var(--accent-gold);
  color: var(--text-dark);
  font-weight: 800;
  font-size: 0.75rem;
  padding: 6px 30px;
  transform: rotate(45deg);
  letter-spacing: 1px;
}

.pricing-header {
  margin-bottom: 30px;
}

.plan-name {
  font-size: 1.5rem;
  font-weight: 800;
  margin-bottom: 10px;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 10px;
}

.plan-badge {
  font-size: 0.75rem;
  padding: 3px 8px;
  border-radius: 4px;
  background: rgba(0, 240, 255, 0.2);
  color: var(--accent-cyan);
  font-weight: 600;
}

.plan-badge.gold {
  background: rgba(255, 215, 0, 0.2);
  color: var(--accent-gold);
}

.price-wrapper {
  display: flex;
  align-items: baseline;
  gap: 5px;
  margin: 20px 0;
}

.price-currency {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--accent-cyan);
}

.price-amount {
  font-size: 3.5rem;
  font-weight: 900;
  color: #fff;
  line-height: 1;
}

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

.pricing-features {
  list-style: none;
  margin-bottom: 35px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.pricing-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #e5e7eb;
}

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

.pricing-features li.disabled {
  color: #6b7280;
  text-decoration: line-through;
}

.pricing-features li.disabled svg {
  color: #4b5563;
}

/* ==========================================================================
   Security Feature section (所有设备都受到保护)
   ========================================================================== */
.security-section {
  padding: 80px 30px;
  max-width: 1400px;
  margin: 0 auto;
}

.security-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 60px;
  padding: 60px;
}

.security-content {
  display: flex;
  flex-direction: column;
  gap: 25px;
}

.security-title {
  font-size: 2.5rem;
  font-weight: 800;
}

.security-desc {
  color: var(--text-muted);
  font-size: 1.15rem;
}

.os-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 15px;
}

.os-card {
  padding: 20px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

.os-card svg {
  width: 40px;
  height: 40px;
  color: var(--accent-cyan);
  transition: transform var(--transition-fast);
}

.os-card:hover svg {
  transform: scale(1.1) translateY(-3px);
  filter: drop-shadow(0 0 8px var(--accent-cyan));
}

.os-name {
  font-weight: 600;
  font-size: 0.95rem;
}

.security-shield-visual {
  display: flex;
  justify-content: center;
  position: relative;
}

.shield-container {
  width: 280px;
  height: 280px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 240, 255, 0.1) 0%, transparent 70%);
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}

.shield-circle {
  position: absolute;
  border: 1px dashed rgba(0, 240, 255, 0.2);
  border-radius: 50%;
  animation: rotate-dash 20s linear infinite;
}

.shield-circle-1 { width: 100%; height: 100%; }
.shield-circle-2 { width: 80%; height: 80%; border-style: dotted; animation-direction: reverse; }

.shield-icon {
  width: 100px;
  height: 100px;
  color: var(--accent-cyan);
  filter: drop-shadow(0 0 15px rgba(0, 240, 255, 0.4));
  animation: float-logo 3s ease-in-out infinite;
}

/* ==========================================================================
   SEO Articles Section
   ========================================================================== */
.articles-section {
  padding: 80px 30px;
  max-width: 1400px;
  margin: 0 auto;
}

.articles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.article-card {
  padding: 30px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  height: 100%;
}

.article-meta {
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.article-tag {
  color: var(--accent-cyan);
  font-weight: 600;
  text-transform: uppercase;
}

.article-card-title {
  font-size: 1.35rem;
  font-weight: 700;
  color: #fff;
  line-height: 1.4;
  transition: color var(--transition-fast);
}

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

.article-excerpt {
  color: var(--text-muted);
  font-size: 0.95rem;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.article-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--accent-gold);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  margin-top: auto;
}

.article-link:hover {
  color: #fff;
  text-shadow: 0 0 5px rgba(255, 215, 0, 0.5);
}

/* ==========================================================================
   Infinite Loop Testimonial Carousel (升级为无限循环自动轮播)
   ========================================================================== */
.carousel-section {
  padding: 80px 0;
  background: linear-gradient(180deg, transparent, rgba(12, 16, 32, 0.5), transparent);
  overflow: hidden;
  position: relative;
  width: 100%;
}

.carousel-container {
  overflow: hidden;
  white-space: nowrap;
  width: 100%;
  position: relative;
  padding: 20px 0;
}

/* Track holding two sets of comments */
.carousel-track {
  display: inline-flex;
  gap: 30px;
  animation: marquee 35s linear infinite;
  width: max-content;
}

.carousel-track:hover {
  animation-play-state: paused;
}

.testimonial-card {
  flex: 0 0 380px;
  white-space: normal;
  padding: 30px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.testimonial-stars {
  display: flex;
  gap: 4px;
  color: var(--accent-gold);
}

.testimonial-text {
  font-size: 0.95rem;
  color: #e5e7eb;
  font-style: italic;
}

.user-info {
  display: flex;
  align-items: center;
  gap: 15px;
  margin-top: auto;
}

.user-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 2px solid var(--accent-cyan);
  background: var(--bg-secondary);
  display: flex;
  justify-content: center;
  align-items: center;
  font-weight: 800;
  color: var(--accent-cyan);
}

.user-details {
  display: flex;
  flex-direction: column;
}

.user-name {
  font-weight: 700;
  font-size: 1rem;
  color: #fff;
}

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

@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); } /* Ensure elements inside track are cloned and exactly width of original content */
}

/* ==========================================================================
   FAQ Section
   ========================================================================== */
.faq-section {
  padding: 80px 30px;
  max-width: 1000px;
  margin: 0 auto;
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-top: 40px;
}

.faq-item {
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 12px;
  background: rgba(15, 22, 42, 0.4);
  transition: border-color var(--transition-normal);
}

.faq-item.active {
  border-color: rgba(0, 240, 255, 0.3);
}

.faq-header {
  padding: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 700;
  font-size: 1.15rem;
  user-select: none;
  transition: color var(--transition-fast);
}

.faq-item:hover .faq-header {
  color: var(--accent-cyan);
}

.faq-icon {
  width: 20px;
  height: 20px;
  color: var(--text-muted);
  transition: transform var(--transition-normal), color var(--transition-fast);
}

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

.faq-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0, 1, 0, 1), padding 0.3s;
  padding: 0 24px;
  color: var(--text-muted);
  font-size: 1rem;
}

.faq-item.active .faq-content {
  max-height: 1000px; /* High enough value to let content flow */
  padding: 0 24px 24px 24px;
  transition: max-height 0.4s cubic-bezier(1, 0, 1, 0);
}

/* ==========================================================================
   Footer Section (PBN weighted footer)
   ========================================================================== */
footer {
  margin-top: 80px;
  background: #04060d;
  border-top: 1px solid rgba(0, 240, 255, 0.1);
  padding: 60px 30px 40px 30px;
  text-align: center;
  position: relative;
  z-index: 10;
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 30px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  margin-bottom: 10px;
}

.footer-logo img {
  width: 40px;
  height: 40px;
}

.footer-logo span {
  font-size: 1.5rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: 1px;
}

.footer-nav {
  display: flex;
  gap: 24px;
  margin-bottom: 15px;
}

.footer-nav a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.95rem;
  transition: color var(--transition-fast);
}

.footer-nav a:hover {
  color: var(--accent-cyan);
}

/* SEO Link / PBN Link Zone */
.pbn-links-zone {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
  padding: 15px 25px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.01);
  border: 1px solid rgba(255, 255, 255, 0.03);
  margin-bottom: 20px;
}

.pbn-links-label {
  font-size: 0.8rem;
  color: rgba(156, 163, 175, 0.4);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* Subtle, deep blended PBN weight links as required */
.pbn-link {
  font-size: 0.8rem;
  color: rgba(156, 163, 175, 0.45); /* Blends deeply into the background */
  text-decoration: none;
  transition: color var(--transition-fast);
  font-weight: 500;
}

.pbn-link:hover {
  color: var(--accent-cyan); /* Shows active color on hover for usability */
}

.footer-copyright {
  font-size: 0.85rem;
  color: rgba(156, 163, 175, 0.5);
  margin-top: 10px;
}

/* ==========================================================================
   Article Pages Template Specific Styles
   ========================================================================== */
.article-page {
  max-width: 900px;
  margin: 60px auto 100px auto;
  padding: 0 30px;
}

.article-header {
  margin-bottom: 40px;
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.article-back-link {
  color: var(--accent-cyan);
  text-decoration: none;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.article-title {
  font-size: clamp(2rem, 4.5vw, 3rem);
  font-weight: 800;
  color: #fff;
  line-height: 1.2;
}

.article-body {
  font-size: 1.125rem;
  line-height: 1.8;
  color: #e5e7eb;
}

.article-body h2 {
  font-size: 1.75rem;
  font-weight: 700;
  color: #fff;
  margin-top: 40px;
  margin-bottom: 20px;
  border-left: 4px solid var(--accent-cyan);
  padding-left: 15px;
}

.article-body h3 {
  font-size: 1.35rem;
  font-weight: 700;
  color: #fff;
  margin-top: 30px;
  margin-bottom: 15px;
}

.article-body p {
  margin-bottom: 24px;
}

.article-body ul, .article-body ol {
  margin-bottom: 24px;
  padding-left: 24px;
}

.article-body li {
  margin-bottom: 8px;
}

.article-body a {
  color: var(--accent-cyan);
  text-decoration: underline;
  font-weight: 600;
}

.article-body a:hover {
  color: var(--accent-gold);
}

.article-nav-block {
  margin-top: 60px;
  padding: 30px;
  display: flex;
  justify-content: space-between;
  gap: 20px;
}

/* ==========================================================================
   Animations
   ========================================================================== */
@keyframes pulse-glow {
  0% { opacity: 0.6; box-shadow: 0 0 4px var(--accent-cyan); }
  100% { opacity: 1; box-shadow: 0 0 12px var(--accent-cyan); }
}

@keyframes pulse-visual {
  0% { transform: scale(1); opacity: 0.8; }
  50% { transform: scale(1.15); opacity: 1; }
  100% { transform: scale(1); opacity: 0.8; }
}

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

@keyframes spin-and-float {
  0% { transform: translateY(0px) rotate(0deg); }
  50% { transform: translateY(-15px) rotate(180deg); }
  100% { transform: translateY(0px) rotate(360deg); }
}

@keyframes rotate-dash {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* ==========================================================================
   Responsive Media Queries
   ========================================================================== */
@media (max-width: 1024px) {
  .hero {
    grid-template-columns: 1fr;
    padding: 60px 30px 140px 30px;
    text-align: center;
    gap: 40px;
  }
  .hero-content {
    align-items: center;
  }
  .hero-badge {
    align-self: center;
  }
  .hero-desc {
    margin: 0 auto;
  }
  .hero-buttons {
    justify-content: center;
  }
  .hero-visual {
    order: -1;
  }
  .hero-coin-artwork {
    max-width: 320px;
  }
  .pricing-section {
    margin-top: -60px;
  }
  .security-wrapper {
    grid-template-columns: 1fr;
    padding: 40px 20px;
    gap: 40px;
    text-align: center;
  }
  .security-shield-visual {
    order: -1;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none; /* Can toggle in JS or keep minimalist for simple landing pages */
  }
  .nav-container {
    padding: 10px 20px;
  }
  .brand-logo {
    width: 50px;
    height: 50px;
  }
  .brand-name {
    font-size: 1.8rem;
  }
  .pricing-grid {
    grid-template-columns: 1fr;
  }
  .os-list {
    grid-template-columns: repeat(2, 1fr);
  }
  .pbn-links-zone {
    flex-direction: column;
    gap: 10px;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 2.2rem;
  }
  .os-list {
    grid-template-columns: 1fr;
  }
  .testimonial-card {
    flex: 0 0 300px;
    padding: 20px;
  }
  .faq-header {
    font-size: 1rem;
    padding: 16px;
  }
  .faq-content {
    padding: 0 16px;
    font-size: 0.9rem;
  }
  .faq-item.active .faq-content {
    padding: 0 16px 16px 16px;
  }
}