/* ==========================================================================
   Unified Crypto Gateway : Dedicated Landing Page Styles
   Aesthetic Harmony: SkyWay Mark Aerospace & High-Precision Fintech Design Tokens
   ========================================================================== */

:root {
  --font-display: 'Space Grotesk', -apple-system, sans-serif;
  --font-body: 'Manrope', -apple-system, sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;

  --sky-zenith: #123A6B;
  --sky-upper: #2E6FB0;
  --sky-mid: #6FA8D8;
  --sky-horizon: #FBE7C6;
  --sun-core: #FFF7E0;
  --sun-glow: #FFC873;
  --ink-primary: #0A2140;
  --ink-muted: rgba(10, 33, 64, 0.65);
  --ink-border: rgba(10, 33, 64, 0.12);

  --crypto-cyan: #00D2FF;
  --crypto-mint: #00F5A0;
  --crypto-gradient: linear-gradient(135deg, #00D2FF 0%, #00F5A0 100%);
  --crypto-glow: rgba(0, 245, 160, 0.25);

  --hud-bg: rgba(255, 255, 255, 0.82);
  --hud-border: rgba(18, 58, 107, 0.14);
  --hud-radius: 8px;
}

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

html, body {
  width: 100%;
  min-height: 100%;
  background: #FDFBF7;
  color: var(--ink-primary);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.5;
  overflow-x: hidden;
}

/* Atmospheric Sky Gradient Background */
.page-bg-layer {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: -1;
  background: radial-gradient(circle at 50% -10%, #6FA8D8 0%, #FDFBF7 65%);
  pointer-events: none;
  opacity: 0.55;
}

/* Top Navigation Bar */
.suite-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  background: rgba(253, 251, 247, 0.88);
  border-bottom: 1px solid var(--hud-border);
  padding: 0.85rem 1.75rem;
}

.nav-container {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.brand-link {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  text-decoration: none;
  color: var(--ink-primary);
}

.brand-logo-img {
  width: 44px;
  height: 40px;
  object-fit: contain;
}

.brand-meta {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--ink-primary);
  line-height: 1.1;
}

.brand-tag {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 600;
  color: var(--sky-upper);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

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

.nav-links a {
  font-family: var(--font-display);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--ink-muted);
  text-decoration: none;
  transition: color 0.2s ease;
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.btn-back-skyway {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--ink-muted);
  text-decoration: none;
  padding: 0.45rem 0.85rem;
  border-radius: var(--hud-radius);
  border: 1px solid transparent;
  transition: all 0.2s ease;
}

.btn-back-skyway:hover {
  color: var(--ink-primary);
  border-color: var(--ink-border);
  background: rgba(10, 33, 64, 0.04);
}

.btn-wp-org {
  font-family: var(--font-display);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--sky-zenith);
  background: rgba(18, 58, 107, 0.07);
  border: 1px solid rgba(18, 58, 107, 0.18);
  padding: 0.48rem 1rem;
  border-radius: var(--hud-radius);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  transition: all 0.2s ease;
}

.btn-wp-org:hover {
  background: rgba(18, 58, 107, 0.12);
  border-color: var(--sky-zenith);
}

.btn-wp-org.active {
  background: var(--ink-primary);
  color: #FFF;
  border-color: var(--ink-primary);
  box-shadow: 0 2px 8px rgba(10, 33, 64, 0.15);
}

.btn-get-pro {
  font-family: var(--font-display);
  font-size: 0.82rem;
  font-weight: 600;
  color: #FFF;
  background: var(--ink-primary);
  border: 1px solid var(--ink-primary);
  padding: 0.48rem 1.15rem;
  border-radius: var(--hud-radius);
  text-decoration: none;
  transition: all 0.2s ease;
  box-shadow: 0 2px 8px rgba(10, 33, 64, 0.15);
}

.btn-get-pro:hover {
  background: var(--sky-zenith);
  border-color: var(--sky-zenith);
}

/* Page Container */
.page-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 3rem 1.5rem 6rem;
}

/* HERO SECTION */
.hero-section {
  text-align: center;
  padding: 2.5rem 0 3.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hero-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 210, 255, 0.1);
  border: 1px solid rgba(0, 210, 255, 0.35);
  color: #06728C;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.38rem 1.15rem;
  border-radius: 999px;
  margin-bottom: 1.5rem;
}

.hero-h1 {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 5.5vw, 3.8rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.12;
  color: var(--ink-primary);
  margin-bottom: 0.75rem;
  max-width: 900px;
}

.hero-h2 {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 3.2vw, 2.1rem);
  font-weight: 600;
  color: var(--sky-upper);
  line-height: 1.25;
  margin-bottom: 1.25rem;
  max-width: 850px;
}

.hero-desc {
  font-size: clamp(1rem, 1.6vw, 1.18rem);
  color: var(--ink-muted);
  max-width: 780px;
  line-height: 1.6;
  margin: 0 auto 2.25rem;
}

.hero-ctas {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 3.5rem;
}

.cta-primary {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  color: #FFF;
  background: var(--ink-primary);
  border: 1px solid var(--ink-primary);
  padding: 0.85rem 2rem;
  border-radius: var(--hud-radius);
  text-decoration: none;
  box-shadow: 0 4px 18px rgba(10, 33, 64, 0.18);
  transition: all 0.2s ease;
}

.cta-primary:hover {
  background: var(--sky-zenith);
  border-color: var(--sky-zenith);
  transform: translateY(-1px);
}

.cta-secondary {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--sky-zenith);
  background: #FFF;
  border: 1px solid var(--hud-border);
  padding: 0.85rem 1.85rem;
  border-radius: var(--hud-radius);
  text-decoration: none;
  box-shadow: 0 2px 8px rgba(10, 33, 64, 0.06);
  transition: all 0.2s ease;
}

.cta-secondary:hover {
  border-color: var(--sky-zenith);
  background: rgba(18, 58, 107, 0.04);
}

/* 4 STAT METRICS CARDS */
.hero-metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
  width: 100%;
}

.metric-card {
  background: #FFF;
  border: 1px solid var(--hud-border);
  border-radius: var(--hud-radius);
  padding: 1.5rem 1.25rem;
  text-align: left;
  box-shadow: 0 2px 10px rgba(10, 33, 64, 0.03);
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.metric-card:hover {
  transform: translateY(-2px);
  border-color: var(--sky-mid);
}

.metric-value {
  font-family: var(--font-mono);
  font-size: 2.1rem;
  font-weight: 700;
  color: var(--ink-primary);
  line-height: 1;
  margin-bottom: 0.45rem;
}

.metric-label {
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--sky-zenith);
  margin-bottom: 0.35rem;
}

.metric-sub {
  font-size: 0.82rem;
  color: var(--ink-muted);
  line-height: 1.35;
}

/* SECTION HEADERS */
.section-header {
  text-align: center;
  margin-bottom: 2.75rem;
}

.section-tag {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--sky-upper);
  margin-bottom: 0.5rem;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.4rem);
  font-weight: 700;
  color: var(--ink-primary);
  letter-spacing: -0.01em;
  line-height: 1.2;
  margin-bottom: 0.65rem;
}

.section-subtitle {
  font-size: 1rem;
  color: var(--ink-muted);
  max-width: 680px;
  margin: 0 auto;
}

/* SAVINGS COMPARISON SECTION */
.savings-section {
  margin-top: 5rem;
}

.table-wrapper {
  background: #FFF;
  border: 1px solid var(--hud-border);
  border-radius: var(--hud-radius);
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(10, 33, 64, 0.04);
  margin-bottom: 1.25rem;
}

.savings-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.savings-table th {
  background: rgba(18, 58, 107, 0.03);
  border-bottom: 1px solid var(--hud-border);
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-muted);
  padding: 1rem 1.5rem;
}

.savings-table td {
  padding: 1.15rem 1.5rem;
  border-bottom: 1px solid rgba(10, 33, 64, 0.06);
  font-size: 0.94rem;
}

.savings-table tr:last-child td {
  border-bottom: none;
}

.savings-table .sales-vol {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--ink-primary);
}

.savings-table .fee-red {
  font-family: var(--font-mono);
  color: #C53030;
  font-weight: 600;
}

.savings-table .fee-zero {
  font-family: var(--font-mono);
  color: #2F855A;
  font-weight: 700;
}

.savings-table .saved-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
  color: #22543D;
  background: #C6F6D5;
  padding: 0.28rem 0.75rem;
  border-radius: 4px;
}

.savings-callout {
  background: rgba(0, 210, 255, 0.08);
  border: 1px solid rgba(0, 210, 255, 0.3);
  border-radius: var(--hud-radius);
  padding: 0.85rem 1.25rem;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--sky-zenith);
}

/* BENTO GRID SHOWCASE */
.bento-section {
  margin-top: 6rem;
}

.bento-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.bento-card {
  background: #FFF;
  border: 1px solid var(--hud-border);
  border-radius: var(--hud-radius);
  padding: 1.75rem;
  box-shadow: 0 2px 10px rgba(10, 33, 64, 0.03);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

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

.bento-card-header {
  margin-bottom: 1.25rem;
}

.bento-tag {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--sky-upper);
  margin-bottom: 0.45rem;
}

.bento-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--ink-primary);
  line-height: 1.2;
  margin-bottom: 0.5rem;
}

.bento-desc {
  font-size: 0.88rem;
  color: var(--ink-muted);
  line-height: 1.5;
}

.p2p-diagram {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-top: 1.5rem;
  background: rgba(18, 58, 107, 0.03);
  padding: 1.25rem;
  border-radius: var(--hud-radius);
  border: 1px dashed var(--hud-border);
}

.p2p-node {
  background: #FFF;
  border: 1px solid var(--hud-border);
  padding: 0.75rem 1rem;
  border-radius: 6px;
  text-align: center;
  flex: 1;
}

.p2p-node-title {
  font-family: var(--font-display);
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--ink-primary);
}

.p2p-node-sub {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--ink-muted);
}

.p2p-arrow {
  color: var(--sky-mid);
  font-weight: 700;
}

.feature-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  margin-top: 1.25rem;
}

.feature-item {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  font-size: 0.86rem;
  color: var(--ink-primary);
}

.feature-bullet {
  color: #00C48C;
  font-weight: 700;
}

/* LIVE CHECKOUT SHOWCASE */
.checkout-section {
  margin-top: 6rem;
}

.checkout-showcase-layout {
  display: grid;
  grid-template-columns: 440px 1fr;
  gap: 2.5rem;
  max-width: 1040px;
  margin: 0 auto;
  align-items: center;
}

.checkout-screen-frame {
  background: #0B1726;
  border: 1px solid rgba(0, 210, 255, 0.28);
  border-radius: 12px;
  box-shadow: 0 20px 50px rgba(10, 33, 64, 0.16);
  overflow: hidden;
  position: relative;
}

.screen-top-chrome {
  background: #07101C;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding: 0.65rem 1rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.chrome-dots {
  display: flex;
  gap: 5px;
}

.dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  display: inline-block;
}

.dot-red { background: #FF5F56; }
.dot-yellow { background: #FFBD2E; }
.dot-green { background: #27C93F; }

.chrome-title {
  font-family: var(--font-mono);
  font-size: 0.70rem;
  color: rgba(255, 255, 255, 0.65);
  letter-spacing: 0.04em;
}

.screen-image-wrapper {
  background: #0B1726;
  line-height: 0;
  padding: 0;
}

.checkout-screen-img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: contain;
}

.checkout-highlights {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.highlight-item {
  display: flex;
  gap: 1.15rem;
  align-items: flex-start;
  padding: 1.15rem 1.25rem;
  background: #FFF;
  border: 1px solid var(--hud-border);
  border-radius: 8px;
  box-shadow: 0 4px 14px rgba(10, 33, 64, 0.03);
  transition: all 0.2s ease;
}

.highlight-item:hover {
  border-color: var(--ink-border-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(10, 33, 64, 0.07);
}

.highlight-icon {
  font-size: 1.35rem;
  line-height: 1;
  flex-shrink: 0;
  padding-top: 0.15rem;
}

.highlight-content h3,
.highlight-content h4 {
  font-family: var(--font-display);
  font-size: 0.96rem;
  font-weight: 700;
  color: var(--ink-primary);
  margin-bottom: 0.25rem;
}

.highlight-content p {
  font-family: var(--font-body);
  font-size: 0.84rem;
  line-height: 1.48;
  color: var(--ink-secondary);
}

@keyframes pulse {
  0% { opacity: 0.4; }
  50% { opacity: 1; }
  100% { opacity: 0.4; }
}

/* BLOCKCHAIN MATRIX */
.chains-section {
  margin-top: 6rem;
}

.chains-list-box {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.chain-category-card {
  background: #FFF;
  border: 1px solid var(--hud-border);
  border-radius: var(--hud-radius);
  padding: 1.25rem 1.5rem;
}

.chain-cat-title {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--sky-upper);
  margin-bottom: 0.65rem;
}

.chain-tokens {
  font-size: 0.88rem;
  color: var(--ink-primary);
  line-height: 1.6;
}

/* TWO EDITIONS COMPARISON & PRO PRICING */
.editions-section {
  margin-top: 6rem;
}

.editions-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: stretch;
}

.edition-card {
  background: #FFF;
  border: 1px solid var(--hud-border);
  border-radius: var(--hud-radius);
  padding: 2.25rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: 0 4px 20px rgba(10, 33, 64, 0.04);
  position: relative;
}

.edition-card.pro {
  border: 2px solid var(--sky-zenith);
  box-shadow: 0 8px 30px rgba(18, 58, 107, 0.12);
}

.pro-badge-header {
  position: absolute;
  top: -12px;
  right: 24px;
  background: var(--sky-zenith);
  color: #FFF;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.25rem 0.75rem;
  border-radius: 4px;
}

.edition-name {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--ink-primary);
  margin-bottom: 0.35rem;
}

.edition-tagline {
  font-size: 0.88rem;
  color: var(--ink-muted);
  margin-bottom: 1.5rem;
}

.edition-price {
  margin-bottom: 1.75rem;
}

.price-main {
  font-family: var(--font-display);
  font-size: 2.75rem;
  font-weight: 700;
  color: var(--ink-primary);
  line-height: 1;
}

.price-sub {
  font-size: 0.82rem;
  color: var(--ink-muted);
}

.edition-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 2rem;
}

.edition-features li {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-size: 0.9rem;
  color: var(--ink-primary);
}

.edition-features li.disabled {
  color: rgba(10, 33, 64, 0.4);
  text-decoration: line-through;
}

.edition-btn {
  display: block;
  text-align: center;
  padding: 0.85rem;
  border-radius: var(--hud-radius);
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.2s ease;
}

.btn-free-edition {
  background: rgba(18, 58, 107, 0.06);
  color: var(--sky-zenith);
  border: 1px solid var(--hud-border);
}

.btn-free-edition:hover {
  background: rgba(18, 58, 107, 0.12);
}

.btn-pro-edition {
  background: var(--ink-primary);
  color: #FFF;
  border: 1px solid var(--ink-primary);
  box-shadow: 0 4px 14px rgba(10, 33, 64, 0.18);
}

.btn-pro-edition:hover {
  background: var(--sky-zenith);
  border-color: var(--sky-zenith);
}

/* SECURE CHECKOUT TRUST BADGE IN PRO CARD */
.secure-checkout-badge,
.payment-trust-badge,
.paddle-trust-badge {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 1rem;
  padding: 0.65rem 0.9rem;
  background: rgba(18, 58, 107, 0.04);
  border: 1px dashed rgba(18, 58, 107, 0.25);
  border-radius: 6px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--ink-primary);
  line-height: 1.4;
  text-align: center;
}

.secure-checkout-badge strong,
.payment-trust-badge strong,
.paddle-trust-badge strong {
  color: var(--sky-zenith);
}

/* FOOTER */
.suite-footer {
  border-top: 1px solid var(--hud-border);
  background: #FFF;
  padding: 4rem 1.5rem 3rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.footer-logo-img {
  width: 72px;
  height: 64px;
  object-fit: contain;
  margin-bottom: 1.25rem;
}

.footer-brand {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--ink-primary);
}

.footer-sub {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--sky-upper);
  letter-spacing: 0.08em;
  margin-bottom: 1.5rem;
}

/* SUITE FOOTER LEGAL EXTENSIONS */
.suite-mor-box {
  max-width: 760px;
  width: 100%;
  background: rgba(18, 58, 107, 0.03);
  border: 1px solid rgba(18, 58, 107, 0.12);
  border-left: 3px solid var(--sky-zenith);
  border-radius: var(--hud-radius);
  padding: 1rem 1.35rem;
  margin: 1rem auto 1.25rem auto;
  text-align: left;
}

.suite-mor-title {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--sky-zenith);
  margin-bottom: 0.35rem;
}

.suite-mor-text {
  font-size: 0.86rem;
  font-weight: 500;
  color: var(--ink-secondary);
  line-height: 1.55;
  margin: 0;
}

.suite-footer-links {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  flex-wrap: wrap;
  margin: 1rem 0;
}

.suite-legal-link {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--sky-zenith);
  text-decoration: none;
  transition: color 0.15s ease, text-decoration 0.15s ease;
}

.suite-legal-link:hover {
  color: var(--ink-primary);
  text-decoration: underline;
}

.suite-link-sep {
  color: rgba(18, 58, 107, 0.3);
  font-size: 0.7rem;
}

.footer-copy {
  font-size: 0.82rem;
  color: var(--ink-muted);
  margin-top: 0.5rem;
}

.suite-noncustodial-note {
  max-width: 800px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--ink-muted);
  line-height: 1.6;
  margin-top: 1.25rem;
  padding-top: 1.25rem;
  border-top: 1px dashed rgba(18, 58, 107, 0.15);
}

/* ==========================================================================
   DOCUMENTATION, FAQ & BLOG EXTENSIONS (Unified ZeroBeep Design System)
   ========================================================================== */

/* Documentation & Card Layout */
.doc-card {
  background: #FFF;
  border: 1px solid var(--hud-border);
  border-radius: var(--hud-radius);
  box-shadow: 0 4px 20px rgba(10, 33, 64, 0.04);
  margin-bottom: 2.25rem;
  overflow: hidden;
}

.doc-card-header {
  background: rgba(18, 58, 107, 0.03);
  border-bottom: 1px solid var(--hud-border);
  padding: 1rem 1.75rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--sky-upper);
  flex-wrap: wrap;
  gap: 0.5rem;
}

.doc-card-body {
  padding: 2.25rem 2rem;
}

.doc-section {
  margin-bottom: 3rem;
}

.doc-section:last-child {
  margin-bottom: 0;
}

.doc-section h2 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--ink-primary);
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--hud-border);
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.doc-section h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--ink-primary);
  margin: 1.75rem 0 0.75rem;
}

.doc-section p {
  color: var(--ink-muted);
  font-size: 1rem;
  line-height: 1.75;
  margin-bottom: 1.25rem;
}

.doc-section ul, .doc-section ol {
  margin: 1rem 0 1.5rem 1.5rem;
  color: var(--ink-muted);
  line-height: 1.75;
}

.doc-section li {
  margin-bottom: 0.5rem;
}

.doc-callout {
  background: rgba(0, 245, 160, 0.06);
  border-left: 4px solid var(--crypto-mint);
  border-radius: 0 var(--hud-radius) var(--hud-radius) 0;
  padding: 1.25rem 1.5rem;
  margin: 1.5rem 0;
}

.doc-callout.warning {
  background: rgba(255, 200, 115, 0.12);
  border-left-color: #f59e0b;
}

.doc-callout h4 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--ink-primary);
  margin-bottom: 0.35rem;
}

.doc-callout p {
  margin: 0;
  font-size: 0.94rem;
  color: var(--ink-primary);
}

.doc-code {
  font-family: var(--font-mono);
  background: #0A2140;
  color: #00F5A0;
  padding: 2px 7px;
  border-radius: 4px;
  font-size: 0.88rem;
}

.doc-badge-pro {
  display: inline-block;
  background: rgba(0, 210, 255, 0.12);
  color: #007799;
  border: 1px solid rgba(0, 210, 255, 0.35);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 2px 8px;
  border-radius: 999px;
  vertical-align: middle;
}

.doc-badge-free {
  display: inline-block;
  background: rgba(18, 58, 107, 0.08);
  color: var(--sky-zenith);
  border: 1px solid rgba(18, 58, 107, 0.2);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 2px 8px;
  border-radius: 999px;
  vertical-align: middle;
}

/* FAQ Item Component */
.faq-box {
  background: #FFF;
  border: 1px solid var(--hud-border);
  border-radius: var(--hud-radius);
  padding: 1.35rem 1.6rem;
  margin-bottom: 1.25rem;
  box-shadow: 0 2px 8px rgba(10, 33, 64, 0.02);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.faq-box:hover {
  border-color: var(--sky-mid);
  box-shadow: 0 4px 14px rgba(10, 33, 64, 0.05);
}

.faq-q {
  font-family: var(--font-display);
  font-size: 1.12rem;
  font-weight: 700;
  color: var(--ink-primary);
  margin-bottom: 0.65rem;
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
}

.faq-q-badge {
  font-family: var(--font-mono);
  color: var(--sky-upper);
  font-weight: 700;
  font-size: 0.95rem;
}

.faq-a {
  font-size: 0.98rem;
  line-height: 1.7;
  color: var(--ink-muted);
}

.faq-a p {
  margin-bottom: 0.75rem;
}

.faq-a p:last-child {
  margin-bottom: 0;
}

.faq-cat-title {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--ink-primary);
  margin: 2.5rem 0 1.25rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--hud-border);
}

/* Blog Article Card Component */
.blog-card {
  background: #FFF;
  border: 1px solid var(--hud-border);
  border-radius: var(--hud-radius);
  padding: 2.5rem 2.75rem;
  margin-bottom: 3rem;
  box-shadow: 0 4px 20px rgba(10, 33, 64, 0.04);
}

.blog-tag-pill {
  display: inline-flex;
  align-items: center;
  background: rgba(0, 210, 255, 0.1);
  border: 1px solid rgba(0, 210, 255, 0.35);
  color: #06728C;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.3rem 0.9rem;
  border-radius: 999px;
  margin-bottom: 1.25rem;
}

.blog-tag-pill.security {
  background: rgba(147, 51, 234, 0.1);
  border-color: rgba(147, 51, 234, 0.3);
  color: #7e22ce;
}

.blog-tag-pill.l2 {
  background: rgba(245, 158, 11, 0.1);
  border-color: rgba(245, 158, 11, 0.35);
  color: #b45309;
}

.blog-title {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3.2vw, 2.2rem);
  font-weight: 700;
  color: var(--ink-primary);
  line-height: 1.25;
  margin-bottom: 1rem;
}

.blog-meta {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--sky-upper);
  margin-bottom: 1.75rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--hud-border);
  flex-wrap: wrap;
}

.blog-content {
  font-size: 1.02rem;
  line-height: 1.8;
  color: var(--ink-muted);
}

.blog-content h2 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--ink-primary);
  margin: 2.25rem 0 1rem;
  border-bottom: 1px solid var(--hud-border);
  padding-bottom: 0.4rem;
}

.blog-content h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--ink-primary);
  margin: 1.75rem 0 0.75rem;
}

.blog-content p {
  margin-bottom: 1.25rem;
}

.toc-card {
  background: #FFF;
  border: 1px solid var(--hud-border);
  border-radius: var(--hud-radius);
  padding: 1.5rem 1.75rem;
  margin-bottom: 2.5rem;
  box-shadow: 0 2px 10px rgba(10, 33, 64, 0.03);
}

.toc-card h3 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--ink-primary);
  margin-bottom: 0.85rem;
}

.toc-card ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.toc-card li {
  margin-bottom: 0.5rem;
  font-size: 0.94rem;
}

.toc-card a {
  color: var(--sky-zenith);
  text-decoration: none;
  font-weight: 600;
  transition: color 0.15s ease;
}

.toc-card a:hover {
  color: var(--ink-primary);
  text-decoration: underline;
}

/* Responsive adjustments */
@media (max-width: 960px) {
  .hero-metrics-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .bento-grid {
    grid-template-columns: 1fr;
  }
  .bento-span-2 {
    grid-column: span 1;
  }
  .editions-grid {
    grid-template-columns: 1fr;
  }
  .checkout-showcase-layout {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

@media (max-width: 640px) {
  .hero-metrics-grid {
    grid-template-columns: 1fr;
  }
  .suite-nav {
    padding: 0.75rem 1rem;
  }
  .nav-links {
    display: none;
  }
  .p2p-diagram {
    flex-direction: column;
  }
}

/* ==========================================================================
   User Profile Widget (Exact 100% Match to SkyWay Mark index.html)
   ========================================================================== */
.user-profile-widget {
  position: relative;
  display: flex;
  align-items: center;
}

.profile-avatar-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  background: rgba(255, 255, 255, 0.75);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--ink-border);
  padding: 0.38rem 0.75rem;
  border-radius: var(--hud-radius);
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 600;
  color: var(--ink-primary);
  transition: all 0.2s ease;
}

.profile-avatar-btn:hover,
.profile-avatar-btn[aria-expanded="true"] {
  background: #ffffff;
  border-color: var(--ink-primary);
  box-shadow: 0 4px 14px rgba(10, 33, 64, 0.1);
}

.avatar-icon-wrap {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--ink-primary);
}

.profile-avatar-svg {
  width: 14px;
  height: 14px;
  display: block;
}

.avatar-initials {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 700;
  color: var(--sky-zenith);
}

.avatar-caret {
  font-size: 0.7rem;
  color: var(--sky-zenith);
}

/* Profile Dropdown Popover */
.profile-dropdown-menu {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  min-width: 270px;
  background: rgba(248, 251, 255, 0.98);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--ink-border);
  border-radius: var(--hud-radius);
  box-shadow: 0 16px 44px rgba(10, 33, 64, 0.16);
  display: none;
  z-index: 1000;
  padding: 0.65rem 0;
}

.profile-dropdown-menu.active {
  display: block;
  animation: dropdownFadeIn 0.2s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes dropdownFadeIn {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: translateY(0); }
}

.dropdown-header {
  padding: 0.65rem 1.15rem;
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.dropdown-user-name {
  font-family: var(--font-display);
  font-size: 0.94rem;
  font-weight: 600;
  color: var(--ink-primary);
}

.dropdown-user-email {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--ink-muted);
  word-break: break-all;
}

.dropdown-divider {
  height: 1px;
  background: var(--ink-border);
  margin: 0.45rem 0;
}

.dropdown-section {
  display: flex;
  flex-direction: column;
}

.dropdown-item {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  width: 100%;
  padding: 0.55rem 1.15rem;
  background: transparent;
  border: none;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 500;
  color: var(--ink-primary);
  text-decoration: none;
  cursor: pointer;
  text-align: left;
  transition: background 0.15s ease;
  box-sizing: border-box;
}

.dropdown-item:hover {
  background: rgba(10, 33, 64, 0.06);
}

.dropdown-item .item-icon {
  font-size: 0.85rem;
  opacity: 0.8;
}

.dropdown-item.sign-out {
  color: #B85D19;
}

/* Dropdown Guest Sign-In Form */
.dropdown-form {
  padding: 0.65rem 1.15rem 0.35rem;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.dropdown-form-group {
  display: flex;
  flex-direction: column;
}

.dropdown-input {
  width: 100%;
  box-sizing: border-box;
  padding: 0.46rem 0.65rem;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid var(--ink-border);
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--ink-primary);
  outline: none;
  transition: border-color 0.2s;
}

.dropdown-input:focus {
  border-color: var(--sky-zenith);
  background: #ffffff;
}

.dropdown-submit-btn {
  width: 100%;
  padding: 0.5rem;
  background: var(--ink-primary);
  color: #ffffff;
  border: none;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  cursor: pointer;
  transition: background 0.2s ease;
}

.dropdown-submit-btn:hover {
  background: var(--sky-zenith);
}

.dropdown-error-msg {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: #c93b2b;
  padding: 0.25rem 0;
  line-height: 1.3;
}

.dropdown-create-link {
  font-weight: 600;
  color: var(--sky-zenith) !important;
}

/* ==========================================================================
   HUD Checkout & Auth Modal (Universal Continuity Flow)
   ========================================================================== */
.hud-modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(10, 33, 64, 0.62);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  padding: 1rem;
}

.hud-modal-backdrop.active {
  display: flex;
  animation: modalFadeIn 0.25s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes modalFadeIn {
  from { opacity: 0; transform: scale(0.97); }
  to { opacity: 1; transform: scale(1); }
}

.hud-modal-box {
  width: 100%;
  max-width: 480px;
  background: rgba(248, 251, 255, 0.98);
  border: 1px solid var(--hud-border);
  border-radius: var(--hud-radius);
  padding: 2.25rem;
  box-shadow: 0 24px 64px rgba(10, 33, 64, 0.28);
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  position: relative;
  box-sizing: border-box;
}

.hud-modal-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
}

.hud-modal-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  color: var(--sky-zenith);
  font-weight: 600;
}

.hud-modal-title {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--ink-primary);
  margin-top: 0.2rem;
  line-height: 1.25;
}

.hud-modal-close-btn {
  background: transparent;
  border: none;
  font-size: 1.75rem;
  line-height: 1;
  color: var(--ink-muted);
  cursor: pointer;
  padding: 0 0.25rem;
  transition: color 0.15s ease;
}

.hud-modal-close-btn:hover {
  color: var(--ink-primary);
}

.hud-modal-tabs {
  display: flex;
  gap: 0.5rem;
  border-bottom: 1px solid var(--ink-border);
  padding-bottom: 0.5rem;
}

.hud-modal-tab-btn {
  background: transparent;
  border: none;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--ink-muted);
  cursor: pointer;
  padding: 0.35rem 0.6rem;
  border-radius: 3px;
  transition: all 0.15s ease;
}

.hud-modal-tab-btn.active {
  color: var(--ink-primary);
  border-bottom: 2px solid var(--ink-primary);
  font-weight: 700;
}

.hud-modal-pane {
  display: none;
  flex-direction: column;
  gap: 0.95rem;
}

.hud-modal-pane.active {
  display: flex;
}

.hud-modal-desc {
  font-size: 0.84rem;
  color: var(--ink-muted);
  line-height: 1.45;
}

.hud-form-group {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.hud-form-label {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.08em;
  color: var(--sky-zenith);
  font-weight: 600;
}

.hud-form-input {
  font-family: var(--font-mono);
  font-size: 0.84rem;
  padding: 0.65rem 0.85rem;
  background: rgba(255, 255, 255, 0.95);
  border: 1px solid var(--ink-border);
  border-radius: var(--hud-radius);
  color: var(--ink-primary);
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
  box-sizing: border-box;
}

.hud-form-input:focus {
  border-color: var(--sky-zenith);
  box-shadow: 0 0 0 3px rgba(18, 58, 107, 0.08);
}

.hud-modal-submit-btn {
  background: var(--ink-primary);
  color: #FFF;
  border: none;
  padding: 0.82rem 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  cursor: pointer;
  border-radius: var(--hud-radius);
  transition: background 0.2s ease, transform 0.15s ease;
  margin-top: 0.35rem;
}

.hud-modal-submit-btn:hover {
  background: var(--sky-zenith);
}

.hud-modal-submit-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.hud-modal-banner-error {
  background: rgba(201, 59, 43, 0.08);
  border: 1px solid rgba(201, 59, 43, 0.3);
  color: #c93b2b;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  padding: 0.55rem 0.85rem;
  border-radius: 4px;
  line-height: 1.4;
}

.hud-modal-price-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.35rem 0.75rem;
  background: rgba(0, 245, 160, 0.12);
  border: 1px solid rgba(0, 245, 160, 0.35);
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--ink-primary);
  align-self: flex-start;
}