/* ============================================
   MAIN.CSS - Full site styles (defer loaded)
   Loaded after critical.css renders above-fold
   ============================================ */

/* ---- Hero Section Extended ---- */
.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  align-items: center;
}
.hero-content {
  position: relative;
  z-index: 2;
}
.hero-subtitle {
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  color: rgba(255,255,255,.85);
  margin-bottom: 1.5rem;
  line-height: 1.6;
  max-width: 540px;
}
.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 2rem;
}
.hero-image {
  position: relative;
  z-index: 2;
}
.hero-image img {
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 60px rgba(0,0,0,.4);
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .5rem 1rem;
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.15);
  border-radius: var(--radius-full);
  font-size: .85rem;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 1.25rem;
  backdrop-filter: blur(8px);
}
.hero-badge .dot {
  width: 8px;
  height: 8px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse-dot 2s infinite;
}
.hero-trust {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255,255,255,.1);
}
.trust-item {
  display: flex;
  align-items: center;
  gap: .5rem;
  font-size: .85rem;
  color: rgba(255,255,255,.7);
}
.trust-item svg {
  color: var(--accent);
  flex-shrink: 0;
}

/* Animated Mesh Background */
.hero-mesh {
  position: absolute;
  inset: 0;
  overflow: hidden;
  z-index: 0;
}
.hero-mesh::before,
.hero-mesh::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  opacity: .4;
}
.hero-mesh::before {
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(108,99,255,.5), transparent 70%);
  top: -15%;
  right: -10%;
  animation: mesh-float 20s ease-in-out infinite;
}
.hero-mesh::after {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(0,212,170,.4), transparent 70%);
  bottom: -20%;
  left: -10%;
  animation: mesh-float 25s ease-in-out infinite reverse;
}

/* ---- Social Proof Bar ---- */
.social-proof-bar {
  background: var(--bg-card);
  border-bottom: 1px solid rgba(0,0,0,.06);
  padding: 2rem 0;
}
.proof-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  text-align: center;
}
.proof-item .proof-number {
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
  margin-bottom: .25rem;
}
.proof-item .proof-label {
  font-size: .85rem;
  color: var(--text-secondary);
  font-weight: 500;
}

/* ---- Feature Grid ---- */
.features-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}
.feature-card {
  background: var(--bg-card);
  border: 1px solid rgba(0,0,0,.06);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}
.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.feature-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  margin-bottom: 1.25rem;
  color: #fff;
}
.feature-icon.purple { background: var(--gradient-primary); }
.feature-icon.teal { background: var(--gradient-accent); }
.feature-icon.mixed { background: var(--gradient-mixed); }
.feature-card h3 {
  margin-bottom: .5rem;
}
.feature-card p {
  color: var(--text-secondary);
  font-size: .95rem;
  margin-bottom: 0;
}

/* ---- How It Works Steps ---- */
.steps-container {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  counter-reset: step-counter;
}
.step-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid rgba(0,0,0,.06);
  border-radius: var(--radius-lg);
  padding: 2rem 2rem 2rem 5rem;
  counter-increment: step-counter;
}
.step-card::before {
  content: counter(step-counter);
  position: absolute;
  left: 1.5rem;
  top: 1.75rem;
  width: 40px;
  height: 40px;
  background: var(--gradient-primary);
  color: #fff;
  font-weight: 700;
  font-size: 1.1rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}
.step-card h3 { margin-bottom: .5rem; }
.step-card p { color: var(--text-secondary); font-size: .95rem; margin-bottom: 0; }

/* ---- Screenshot Gallery ---- */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}
.gallery-item {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  cursor: pointer;
  aspect-ratio: 9/16;
}
.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}
.gallery-item:hover img {
  transform: scale(1.05);
}
.gallery-item .gallery-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,.6) 0%, transparent 50%);
  display: flex;
  align-items: flex-end;
  padding: 1rem;
  opacity: 0;
  transition: opacity var(--transition-base);
}
.gallery-item:hover .gallery-overlay {
  opacity: 1;
}
.gallery-overlay span {
  color: #fff;
  font-size: .85rem;
  font-weight: 500;
}

/* Lightbox */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(0,0,0,.92);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity .3s, visibility .3s;
  padding: 2rem;
}
.lightbox.active {
  opacity: 1;
  visibility: visible;
}
.lightbox img {
  max-width: 90vw;
  max-height: 85vh;
  border-radius: var(--radius-md);
  object-fit: contain;
}
.lightbox-close {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  width: 44px;
  height: 44px;
  background: rgba(255,255,255,.1);
  border: none;
  border-radius: 50%;
  color: #fff;
  font-size: 1.5rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition-fast);
}
.lightbox-close:hover {
  background: rgba(255,255,255,.2);
}

/* ---- Comparison Table ---- */
.comparison-wrapper {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(0,0,0,.08);
}
.comparison-table {
  width: 100%;
  min-width: 600px;
  border-collapse: collapse;
  font-size: .9rem;
}
.comparison-table thead {
  background: var(--bg-dark);
}
.comparison-table th {
  padding: 1rem;
  color: var(--text-light);
  font-weight: 600;
  text-align: left;
  white-space: nowrap;
}
.comparison-table th:first-child {
  border-radius: var(--radius-md) 0 0 0;
}
.comparison-table th:last-child {
  border-radius: 0 var(--radius-md) 0 0;
}
.comparison-table td {
  padding: .875rem 1rem;
  border-bottom: 1px solid rgba(0,0,0,.06);
}
.comparison-table tbody tr:nth-child(even) {
  background: rgba(108,99,255,.02);
}
.comparison-table tbody tr:hover {
  background: rgba(108,99,255,.05);
}
.comparison-table .check {
  color: var(--accent);
  font-weight: 700;
}
.comparison-table .cross {
  color: #EF4444;
  font-weight: 700;
}
.comparison-table .highlight-col {
  background: rgba(108,99,255,.06);
  border-left: 2px solid var(--primary);
  border-right: 2px solid var(--primary);
}
.comparison-table thead .highlight-col {
  background: var(--primary);
  color: #fff;
}

/* ---- Testimonial Cards ---- */
.testimonials-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}
.testimonial-card {
  background: var(--bg-card-dark);
  border: 1px solid rgba(255,255,255,.06);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
}
.testimonial-header {
  display: flex;
  align-items: center;
  gap: .75rem;
  margin-bottom: 1rem;
}
.testimonial-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid rgba(108,99,255,.3);
}
.testimonial-info h4 {
  color: var(--text-light);
  font-size: .95rem;
  font-weight: 600;
  margin-bottom: .15rem;
}
.testimonial-info span {
  font-size: .8rem;
  color: var(--text-muted);
}
.testimonial-stars {
  color: #FBBF24;
  font-size: .85rem;
  margin-bottom: .75rem;
  letter-spacing: 2px;
}
.testimonial-text {
  color: rgba(255,255,255,.75);
  font-size: .9rem;
  line-height: 1.6;
  font-style: italic;
}

/* ---- Stats Section ---- */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}
.stat-card {
  text-align: center;
  padding: 2rem 1rem;
  background: var(--bg-card);
  border: 1px solid rgba(0,0,0,.06);
  border-radius: var(--radius-lg);
}
.stat-number {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 800;
  background: var(--gradient-mixed);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: .5rem;
}
.stat-label {
  font-size: .9rem;
  color: var(--text-secondary);
  font-weight: 500;
}

/* ---- FAQ Section ---- */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}
.faq-item {
  border: 1px solid rgba(0,0,0,.08);
  border-radius: var(--radius-md);
  margin-bottom: .75rem;
  overflow: hidden;
  background: var(--bg-card);
}
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.25rem 1.5rem;
  background: transparent;
  border: none;
  cursor: pointer;
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  text-align: left;
  transition: background var(--transition-fast);
}
.faq-question:hover {
  background: rgba(108,99,255,.03);
}
.faq-question .faq-icon {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  transition: transform .3s;
  color: var(--primary);
}
.faq-item.open .faq-question .faq-icon {
  transform: rotate(180deg);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .35s ease;
}
.faq-answer-inner {
  padding: 0 1.5rem 1.5rem;
  color: var(--text-secondary);
  font-size: .95rem;
  line-height: 1.7;
}
.faq-answer-inner p {
  margin-bottom: .5rem;
}
.faq-answer-inner p:last-child {
  margin-bottom: 0;
}

/* ---- Download CTA Section ---- */
.cta-section {
  background: var(--gradient-hero);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-section h2 {
  color: var(--text-light);
  margin-bottom: 1rem;
}
.cta-section p {
  color: rgba(255,255,255,.8);
  max-width: 600px;
  margin: 0 auto 2rem;
  font-size: 1.05rem;
}
.cta-trust-badges {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
  margin-top: 1.5rem;
}
.trust-badge {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  padding: .4rem .8rem;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--radius-full);
  color: rgba(255,255,255,.8);
  font-size: .8rem;
  font-weight: 500;
}
.trust-badge svg {
  color: var(--accent);
}

/* ---- Content Section (for guide/article pages) ---- */
.content-section {
  padding: 3rem 0;
}
.content-body {
  max-width: 800px;
  margin: 0 auto;
}
.content-body h2 {
  margin-top: 2.5rem;
  margin-bottom: 1rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(0,0,0,.06);
}
.content-body h2:first-of-type {
  border-top: none;
  padding-top: 0;
}
.content-body h3 {
  margin-top: 1.75rem;
  margin-bottom: .75rem;
}
.content-body ul, .content-body ol {
  list-style: disc;
  padding-left: 1.5rem;
  margin-bottom: 1.25rem;
}
.content-body ol {
  list-style: decimal;
}
.content-body li {
  margin-bottom: .5rem;
  color: var(--text-secondary);
  line-height: 1.7;
}
.content-body blockquote {
  border-left: 4px solid var(--primary);
  padding: 1rem 1.5rem;
  margin: 1.5rem 0;
  background: rgba(108,99,255,.04);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}
.content-body blockquote p:last-child {
  margin-bottom: 0;
}

/* Quick Answer Box */
.quick-answer {
  background: linear-gradient(135deg, rgba(108,99,255,.06), rgba(0,212,170,.06));
  border: 1px solid rgba(108,99,255,.15);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  margin: 2rem 0;
}
.quick-answer .qa-label {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  font-size: .75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--primary);
  margin-bottom: .75rem;
}
.quick-answer p {
  color: var(--text-primary);
  font-size: .95rem;
}
.quick-answer p:last-child {
  margin-bottom: 0;
}

/* Key Takeaways Box */
.key-takeaways {
  background: var(--bg-card);
  border: 2px solid rgba(0,212,170,.2);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  margin: 1.5rem 0;
}
.key-takeaways h3 {
  display: flex;
  align-items: center;
  gap: .5rem;
  color: var(--accent-dark);
  margin-bottom: 1rem;
  font-size: 1.1rem;
}
.key-takeaways ul {
  list-style: none !important;
  padding-left: 0 !important;
}
.key-takeaways ul li {
  position: relative;
  padding-left: 1.75rem;
  margin-bottom: .75rem;
  color: var(--text-primary);
}
.key-takeaways ul li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 700;
}

/* Callout / Tip Box */
.callout {
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
  margin: 1.5rem 0;
  font-size: .95rem;
}
.callout.tip {
  background: rgba(0,212,170,.06);
  border-left: 4px solid var(--accent);
}
.callout.warning {
  background: rgba(245,158,11,.06);
  border-left: 4px solid #F59E0B;
}
.callout.info {
  background: rgba(108,99,255,.06);
  border-left: 4px solid var(--primary);
}
.callout strong {
  display: block;
  margin-bottom: .25rem;
  color: var(--text-primary);
}

/* ---- App Info Card ---- */
.app-info-card {
  background: var(--bg-card);
  border: 1px solid rgba(0,0,0,.08);
  border-radius: var(--radius-lg);
  padding: 2rem;
  margin-bottom: 2rem;
}
.app-info-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}
.app-info-item {
  display: flex;
  flex-direction: column;
}
.app-info-item .label {
  font-size: .75rem;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--text-muted);
  font-weight: 600;
  margin-bottom: .25rem;
}
.app-info-item .value {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
}

/* ---- SVG Illustration Container ---- */
.svg-illustration {
  max-width: 500px;
  margin: 2rem auto;
}

/* ---- Tutorial Preview ---- */
.tutorial-preview {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  align-items: center;
}
.tutorial-preview-content h3 {
  margin-bottom: .75rem;
}
.tutorial-preview-content p {
  color: var(--text-secondary);
  margin-bottom: 1.25rem;
}

/* ---- Author Bio ---- */
.author-bio {
  background: var(--bg-card);
  border: 1px solid rgba(0,0,0,.08);
  border-radius: var(--radius-lg);
  padding: 2rem;
  margin-top: 3rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.author-bio h3 {
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--text-muted);
}
.author-bio p {
  color: var(--text-secondary);
  font-size: .95rem;
}
.author-links {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  margin-top: .5rem;
}
.author-links a {
  font-size: .85rem;
  color: var(--primary);
  font-weight: 500;
}

/* ---- Footer Extended ---- */
.site-footer {
  background: var(--bg-dark);
  color: rgba(255,255,255,.8);
  padding: 4rem 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.footer-logo {
  display: flex;
  align-items: center;
  gap: .5rem;
  text-decoration: none;
  color: var(--text-light);
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: .75rem;
}
.footer-logo:hover { color: var(--text-light); }
.footer-logo .logo-text strong { color: var(--primary-light); }
.footer-tagline {
  color: rgba(255,255,255,.5);
  font-size: .9rem;
  margin-bottom: 1.25rem;
  line-height: 1.6;
}
.footer-social {
  display: flex;
  gap: .75rem;
}
.footer-social a {
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,.06);
  border-radius: 50%;
  color: rgba(255,255,255,.6);
  transition: background var(--transition-fast), color var(--transition-fast);
}
.footer-social a:hover {
  background: var(--primary);
  color: #fff;
}
.footer-heading {
  color: var(--text-light);
  font-size: .9rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .05em;
  margin-bottom: 1rem;
}
.footer-links li { margin-bottom: .6rem; }
.footer-links a {
  color: rgba(255,255,255,.5);
  font-size: .9rem;
  transition: color var(--transition-fast);
}
.footer-links a:hover { color: var(--accent); }
.footer-disclaimer {
  padding: 1.5rem 0;
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.footer-disclaimer p {
  color: rgba(255,255,255,.35);
  font-size: .8rem;
  line-height: 1.6;
}
.footer-disclaimer a { color: var(--accent); }
.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.5rem 0;
}
.footer-bottom p {
  font-size: .8rem;
  color: rgba(255,255,255,.35);
  margin-bottom: 0;
}
.footer-credit a { color: var(--accent); }

/* ---- SVG Coin Flowchart ---- */
.coin-flow-visual {
  text-align: center;
  padding: 2rem;
}

/* ---- Table of Contents ---- */
.toc {
  background: var(--bg-card);
  border: 1px solid rgba(0,0,0,.08);
  border-radius: var(--radius-lg);
  padding: 1.5rem 2rem;
  margin: 2rem 0;
}
.toc h3 {
  margin-bottom: .75rem;
  font-size: 1rem;
  color: var(--text-primary);
}
.toc ol {
  list-style: decimal !important;
  padding-left: 1.5rem !important;
}
.toc li {
  margin-bottom: .4rem;
}
.toc a {
  color: var(--primary);
  font-size: .9rem;
  font-weight: 500;
}
.toc a:hover {
  color: var(--primary-dark);
  text-decoration: underline;
}

/* ---- Breadcrumb ---- */
.breadcrumb {
  padding: .75rem 0;
  margin-top: var(--header-height);
}
.breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .35rem;
  font-size: .85rem;
}
.breadcrumb-list li {
  display: flex;
  align-items: center;
  gap: .35rem;
  color: var(--text-muted);
}
.breadcrumb-list a {
  color: var(--text-secondary);
}
.breadcrumb-list a:hover {
  color: var(--primary);
}

/* ---- Responsive Grid Breakpoints ---- */
@media (min-width: 480px) {
  .gallery-grid { grid-template-columns: repeat(4, 1fr); }
}

@media (min-width: 768px) {
  .hero-grid { grid-template-columns: 1.1fr .9fr; }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .steps-container { grid-template-columns: repeat(3, 1fr); }
  .testimonials-grid { grid-template-columns: repeat(2, 1fr); }
  .proof-grid { grid-template-columns: repeat(4, 1fr); }
  .stats-grid { grid-template-columns: repeat(4, 1fr); }
  .footer-grid { grid-template-columns: 1.5fr 1fr 1fr 1fr; }
  .tutorial-preview { grid-template-columns: 1fr 1fr; }
  .app-info-grid { grid-template-columns: repeat(4, 1fr); }
  .author-bio { flex-direction: row; align-items: flex-start; }
}

@media (min-width: 1024px) {
  .features-grid { grid-template-columns: repeat(3, 1fr); }
  .testimonials-grid { grid-template-columns: repeat(3, 1fr); }
}

/* ---- Reduced Motion ---- */
@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;
  }
}