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

:root {
  --bg:               #080c14;
  --surface:          #0e1520;
  --card:             #121b2c;
  --card-hover:       #172130;
  --border:           #1e2e44;
  --border-soft:      #152030;

  --accent:           #1ab9d6;
  --accent-dim:       #0d8099;
  --accent-glow:      rgba(26, 185, 214, 0.10);
  --accent-glow-md:   rgba(26, 185, 214, 0.20);

  --cta:              #e8810a;
  --cta-hover:        #cc6e06;

  --text:             #d8e4f0;
  --text-muted:       #677d96;
  --text-faint:       #38506a;

  --code-bg:          #060910;
  --code-border:      #162030;

  --nav-h:            62px;
  --max-w:            1140px;
  --radius:           5px;
  --radius-lg:        10px;
  --transition:       0.16s ease;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui,
               'Helvetica Neue', Arial, sans-serif;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color var(--transition);
}
a:hover { color: #38cfe8; }

img { max-width: 100%; display: block; }

code, pre, kbd, samp {
  font-family: 'SF Mono', 'Fira Code', 'Courier New', Courier, monospace;
}



.wrap {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}



.site-nav {
  position: sticky;
  top: 0;
  z-index: 200;
  background: rgba(8, 12, 20, 0.94);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-soft);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  min-height: var(--nav-h);
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}

.nav-logo {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.025em;
  display: flex;
  align-items: center;
  gap: 9px;
  text-decoration: none;
}
.nav-logo:hover { color: var(--accent); }

.nav-logo-mark {
  width: 30px;
  height: 30px;
  background: var(--accent);
  border-radius: 7px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.72rem;
  font-weight: 900;
  color: var(--bg);
  letter-spacing: -0.03em;
  flex-shrink: 0;
}


.nav-toggle { display: none; }

.nav-toggle-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 9px 6px;
  border-radius: var(--radius);
}
.nav-toggle-btn span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-muted);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}
.nav-toggle:checked + .nav-toggle-btn span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-toggle:checked + .nav-toggle-btn span:nth-child(2) {
  opacity: 0;
}
.nav-toggle:checked + .nav-toggle-btn span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.nav-links-wrap {
  display: flex;
}

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

.nav-links > li > a {
  display: block;
  padding: 8px 13px;
  color: var(--text-muted);
  font-size: 0.88rem;
  border-radius: var(--radius);
  transition: color var(--transition), background var(--transition);
}
.nav-links > li > a:hover,
.nav-links > li > a:focus-visible,
.nav-links > li.active > a {
  color: var(--text);
  background: var(--surface);
}

.nav-cta > a {
  background: var(--cta) !important;
  color: #fff !important;
  font-weight: 600;
  padding: 7px 17px !important;
}
.nav-cta > a:hover {
  background: var(--cta-hover) !important;
}


.has-drop { position: relative; }
.has-drop::after {
  content: '';
  position: absolute;
  top: 100%;
  left: 0;
  width: 230px;
  height: 8px;
  display: none;
}
.drop {
  display: none;
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  min-width: 210px;
  padding: 6px 0;
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.6);
  z-index: 300;
}
.has-drop:hover::after,
.has-drop:focus-within::after {
  display: block;
}
.has-drop:hover .drop,
.has-drop:focus-within .drop {
  display: block;
}
.drop li { list-style: none; }
.drop a {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 9px 15px;
  color: var(--text-muted);
  font-size: 0.85rem;
  border-radius: 0;
}
.drop a:hover {
  background: var(--card-hover);
  color: var(--text);
}
.drop a:focus-visible {
  background: var(--card-hover);
  color: var(--text);
  outline: none;
}
.drop-icon {
  font-size: 0.9rem;
  opacity: 0.6;
  width: 18px;
  text-align: center;
  flex-shrink: 0;
}
.drop-divider {
  height: 1px;
  background: var(--border-soft);
  margin: 5px 0;
}


@media (max-width: 820px) {
  .nav-toggle-btn { display: flex; }
  .nav-links-wrap {
    display: none;
    width: 100%;
    padding: 10px 0 14px;
    border-top: 1px solid var(--border-soft);
  }
  .nav-toggle:checked ~ .nav-links-wrap { display: block; }
  .nav-links {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    width: 100%;
  }
  .nav-links > li > a { padding: 10px 12px; }
  .has-drop .drop {
    display: block;
    position: static;
    box-shadow: none;
    border: none;
    background: transparent;
    padding: 0 0 4px 20px;
    min-width: auto;
  }
  .has-drop::after { display: none !important; }
  .drop a { padding: 7px 12px; }
  .drop-divider { display: none; }
  .nav-cta { margin-top: 6px; }
}



.hero {
  padding: 90px 0 80px;
  background: radial-gradient(ellipse 70% 60% at 50% 0%,
              rgba(26, 185, 214, 0.08) 0%, transparent 65%);
  border-bottom: 1px solid var(--border-soft);
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 4px 12px;
  border: 1px solid var(--accent-dim);
  border-radius: 20px;
  font-size: 0.72rem;
  color: var(--accent);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 700;
  margin-bottom: 22px;
}
.hero-badge-dot {
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
  animation: blink 2.2s ease-in-out infinite;
}
@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.2; }
}

.hero h1 {
  font-size: clamp(2rem, 4.5vw, 3rem);
  font-weight: 800;
  line-height: 1.14;
  letter-spacing: -0.035em;
  color: #fff;
  margin-bottom: 18px;
}
.hero h1 em {
  font-style: normal;
  color: var(--accent);
}

.hero-sub {
  font-size: 1.03rem;
  color: var(--text-muted);
  line-height: 1.72;
  max-width: 490px;
  margin-bottom: 32px;
}

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 36px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 20px;
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
  line-height: 1.3;
}
.btn-primary {
  background: var(--accent);
  color: var(--bg);
}
.btn-primary:hover {
  background: #38cfe8;
  color: var(--bg);
}
.btn-outline {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}
.btn-outline:hover {
  background: var(--card);
  color: var(--text);
  border-color: var(--accent-dim);
}
.btn-cta {
  background: var(--cta);
  color: #fff;
}
.btn-cta:hover {
  background: var(--cta-hover);
  color: #fff;
}
.btn-lg {
  padding: 12px 26px;
  font-size: 0.95rem;
}

.hero-trust {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 24px;
  font-size: 0.8rem;
  color: var(--text-faint);
}
.hero-trust-item {
  display: flex;
  align-items: center;
  gap: 6px;
}
.hero-trust-item::before {
  content: '✓';
  color: var(--accent);
  font-weight: 800;
  font-size: 0.75rem;
}


.hero-code {
  background: var(--code-bg);
  border: 1px solid var(--code-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  font-size: 0.8rem;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.5);
}
.hero-code-bar {
  background: var(--surface);
  border-bottom: 1px solid var(--border-soft);
  padding: 9px 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.code-dots {
  display: flex;
  gap: 5px;
}
.code-dots span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  display: block;
}
.dot-r { background: #ff5f56; }
.dot-y { background: #ffbd2e; }
.dot-g { background: #27c93f; }
.code-file {
  font-size: 0.72rem;
  color: var(--text-faint);
  font-family: 'SF Mono', 'Fira Code', monospace;
}
.hero-code pre {
  padding: 18px 20px;
  overflow-x: auto;
  line-height: 1.82;
}


.s-cm  { color: var(--text-faint); font-style: italic; }
.s-kw  { color: #c594cf; }
.s-fn  { color: #56c5ff; }
.s-str { color: #8ec67a; }
.s-num { color: #e8a875; }
.s-key { color: var(--accent); }
.s-val { color: #d8a06e; }
.s-url { color: #8ab8d4; }
.s-ok  { color: #8ec67a; }
.s-muted { color: var(--text-faint); }

@media (max-width: 820px) {
  .hero { padding: 56px 0 48px; }
  .hero-inner { grid-template-columns: 1fr; gap: 36px; }
  .hero-code { display: none; }
}



.section { padding: 80px 0; }
.section + .section { border-top: 1px solid var(--border-soft); }

.section-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  font-weight: 700;
  margin-bottom: 10px;
}
.section-title {
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  font-weight: 800;
  color: #fff;
  line-height: 1.2;
  letter-spacing: -0.025em;
  margin-bottom: 14px;
}
.section-sub {
  font-size: 0.97rem;
  color: var(--text-muted);
  max-width: 580px;
  line-height: 1.72;
  margin-bottom: 48px;
}



.api-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  background: var(--border-soft);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  overflow: hidden;
  gap: 1px;
}

.api-card {
  background: var(--card);
  padding: 28px 26px;
  display: flex;
  flex-direction: column;
  gap: 0;
  transition: background var(--transition);
}
.api-card:hover { background: var(--card-hover); }

.api-card-icon {
  width: 42px;
  height: 42px;
  border-radius: var(--radius);
  background: var(--accent-glow);
  border: 1px solid rgba(26, 185, 214, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
  font-size: 1.2rem;
  flex-shrink: 0;
}
.api-card h3 {
  font-size: 0.97rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 8px;
}
.api-card p {
  font-size: 0.84rem;
  color: var(--text-muted);
  line-height: 1.62;
  flex: 1;
  margin-bottom: 14px;
}
.api-card-link {
  font-size: 0.8rem;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.api-card-link::after { content: ' →'; }
.api-card:hover .api-card-link { color: #38cfe8; }

@media (max-width: 900px) {
  .api-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 540px) {
  .api-grid { grid-template-columns: 1fr; }
}



.data-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.data-split-text .section-sub { margin-bottom: 24px; }

.data-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 11px;
}
.data-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.5;
}
.data-list li::before {
  content: '';
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  margin-top: 1px;
  background: var(--accent-glow);
  border: 1px solid rgba(26, 185, 214, 0.25);
  border-radius: 4px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 10 10'%3E%3Cpath d='M2 5l2.5 2.5L8 2.5' stroke='%231ab9d6' stroke-width='1.5' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-size: 11px;
  background-repeat: no-repeat;
  background-position: center;
}

.json-panel {
  background: var(--code-bg);
  border: 1px solid var(--code-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.json-panel-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 14px;
  background: var(--surface);
  border-bottom: 1px solid var(--border-soft);
  font-size: 0.73rem;
  color: var(--text-muted);
}
.json-badge {
  background: var(--accent-glow);
  color: var(--accent);
  padding: 1px 6px;
  border-radius: 3px;
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.04em;
}
.json-panel pre {
  padding: 16px 18px;
  font-size: 0.78rem;
  line-height: 1.82;
  overflow-x: auto;
}

@media (max-width: 820px) {
  .data-split { grid-template-columns: 1fr; gap: 36px; }
}



.privacy-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 40px;
}
.privacy-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 26px 24px;
}
.privacy-card-icon {
  font-size: 1.4rem;
  margin-bottom: 12px;
  line-height: 1;
}
.privacy-card h3 {
  font-size: 0.95rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 8px;
}
.privacy-card p {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.65;
}

@media (max-width: 820px) {
  .privacy-grid { grid-template-columns: 1fr; }
}
@media (min-width: 540px) and (max-width: 820px) {
  .privacy-grid { grid-template-columns: repeat(2, 1fr); }
}



.steps-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  background: var(--border-soft);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-top: 40px;
}
.step {
  background: var(--card);
  padding: 30px 26px;
  border-right: 1px solid var(--border-soft);
}
.step:last-child { border-right: none; }
.step-num {
  font-size: 0.72rem;
  font-weight: 800;
  color: var(--accent);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 12px;
}
.step h3 {
  font-size: 0.97rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 8px;
}
.step p {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.65;
}
.step code {
  display: inline-block;
  background: var(--code-bg);
  border: 1px solid var(--code-border);
  padding: 2px 7px;
  border-radius: 3px;
  font-size: 0.8rem;
  color: var(--accent);
  margin-top: 8px;
}

@media (max-width: 700px) {
  .steps-row {
    grid-template-columns: 1fr;
    background: none;
    gap: 12px;
    border: none;
  }
  .step {
    border-right: none;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
  }
}



.stats-row {
  display: flex;
  background: var(--border-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-top: 48px;
}
.stat-item {
  flex: 1;
  background: var(--card);
  padding: 28px 20px;
  text-align: center;
  border-right: 1px solid var(--border-soft);
}
.stat-item:last-child { border-right: none; }
.stat-num {
  font-size: 1.9rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.04em;
  line-height: 1;
  margin-bottom: 6px;
}
.stat-num em {
  font-style: normal;
  color: var(--accent);
}
.stat-label {
  font-size: 0.78rem;
  color: var(--text-muted);
  line-height: 1.4;
}

@media (max-width: 600px) {
  .stats-row { flex-direction: column; }
  .stat-item { border-right: none; border-bottom: 1px solid var(--border-soft); }
  .stat-item:last-child { border-bottom: none; }
}



.cta-banner {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 44px 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
  margin-top: 60px;
}
.cta-banner h2 {
  font-size: 1.5rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.025em;
  margin-bottom: 6px;
}
.cta-banner p {
  font-size: 0.9rem;
  color: var(--text-muted);
  max-width: 460px;
  line-height: 1.65;
}
.cta-banner-actions { flex-shrink: 0; }

@media (max-width: 640px) {
  .cta-banner { padding: 30px 24px; flex-direction: column; align-items: flex-start; }
}



.page-hero {
  background: var(--surface);
  border-bottom: 1px solid var(--border-soft);
  padding: 46px 0 40px;
}
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 0.78rem;
  color: var(--text-faint);
  margin-bottom: 12px;
}
.breadcrumb a { color: var(--text-faint); }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb-sep { color: var(--text-faint); opacity: 0.4; }
.page-hero h1 {
  font-size: clamp(1.7rem, 4vw, 2.4rem);
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.03em;
  line-height: 1.18;
  margin-bottom: 12px;
}
.page-hero-sub {
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.68;
  max-width: 640px;
}



.plans-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  background: var(--border-soft);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  overflow: hidden;
  gap: 1px;
  margin-top: 40px;
}

.plan {
  background: var(--card);
  padding: 28px 22px;
  display: flex;
  flex-direction: column;
}
.plan.featured { background: var(--surface); }
.plan-badge {
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  font-weight: 800;
  margin-bottom: 8px;
  min-height: 18px;
}
.plan-name {
  font-size: 1.05rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 8px;
}
.plan-price {
  font-size: 2.1rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.04em;
  line-height: 1.1;
  margin-bottom: 4px;
}
.plan-price sup {
  font-size: 1rem;
  font-weight: 600;
  vertical-align: super;
  color: var(--text-muted);
}
.plan-price .period {
  font-size: 0.82rem;
  font-weight: 400;
  color: var(--text-muted);
  letter-spacing: 0;
}
.plan-price .free-label {
  font-size: 2.1rem;
  font-weight: 800;
}
.plan-tagline {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.55;
  margin-bottom: 20px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--border-soft);
}
.plan-features {
  list-style: none;
  flex: 1;
  margin-bottom: 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.plan-features li {
  font-size: 0.83rem;
  color: var(--text-muted);
  display: flex;
  align-items: flex-start;
  gap: 7px;
  line-height: 1.45;
}
.plan-features li::before {
  content: '✓';
  color: var(--accent);
  font-weight: 800;
  font-size: 0.78rem;
  flex-shrink: 0;
  margin-top: 1px;
}
.plan-features li.off::before {
  content: '-';
  color: var(--text-faint);
}
.plan-features li.off { color: var(--text-faint); }

.plan-btn {
  display: block;
  width: 100%;
  text-align: center;
  padding: 9px 12px;
  border-radius: var(--radius);
  font-size: 0.86rem;
  font-weight: 600;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
}
.plan-btn:hover {
  background: var(--card-hover);
  color: var(--text);
  border-color: var(--accent-dim);
}
.plan-btn.btn-accent {
  background: var(--accent);
  color: var(--bg);
  border-color: var(--accent);
}
.plan-btn.btn-accent:hover {
  background: #38cfe8;
  color: var(--bg);
}

@media (max-width: 880px) {
  .plans-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 500px) {
  .plans-grid { grid-template-columns: 1fr; }
}


.crypto-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}
.crypto-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--card);
  border: 1px solid var(--border);
  padding: 6px 13px;
  border-radius: var(--radius);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-muted);
}
.crypto-badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}
.xmr-dot  { background: #ff6600; }
.btc-dot  { background: #f7931a; }
.eth-dot  { background: #627eea; }
.usdc-dot { background: #2775ca; }
.sol-dot  { background: #9945ff; }
.ltc-dot  { background: #bfbbbb; }


.faq-list {
  margin-top: 40px;
  display: flex;
  flex-direction: column;
  gap: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.faq-item {
  border-bottom: 1px solid var(--border-soft);
}
.faq-item:last-child { border-bottom: none; }
.faq-q {
  padding: 18px 22px;
  font-size: 0.93rem;
  font-weight: 600;
  color: var(--text);
  background: var(--card);
}
.faq-a {
  padding: 0 22px 18px;
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.7;
  background: var(--card);
}



.signup-grid {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 24px;
  align-items: start;
  margin-top: 26px;
}

.signup-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
}

.signup-card h2 {
  font-size: 1.12rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 10px;
  letter-spacing: -0.02em;
}

.signup-card p {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.68;
  margin-bottom: 14px;
}

.signup-plan-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--accent-dim);
  background: var(--accent-glow);
  color: var(--accent);
  border-radius: 999px;
  padding: 4px 12px;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  font-weight: 800;
  margin-bottom: 12px;
}

.signup-price {
  font-size: 2rem;
  color: #fff;
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.04em;
  margin-bottom: 7px;
}

.signup-price span {
  font-size: 0.84rem;
  color: var(--text-muted);
  font-weight: 500;
  letter-spacing: 0;
}

.signup-plan-meta {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin: 14px 0 20px;
}

.signup-plan-meta li {
  font-size: 0.84rem;
  color: var(--text-muted);
  display: flex;
  align-items: flex-start;
  gap: 7px;
  line-height: 1.5;
}

.signup-plan-meta li::before {
  content: '✓';
  color: var(--accent);
  font-weight: 800;
  font-size: 0.76rem;
  margin-top: 1px;
}

.plan-switch {
  margin-top: 8px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.plan-switch a {
  padding: 6px 11px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--text-muted);
  font-size: 0.78rem;
  font-weight: 600;
}

.plan-switch a:hover,
.plan-switch a.active {
  border-color: var(--accent-dim);
  color: var(--text);
  background: var(--accent-glow);
}

.signup-steps {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 14px;
}

.signup-steps li {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.58;
  background: var(--surface);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  padding: 10px 12px;
}

.signup-steps strong {
  color: var(--text);
}

.wallet-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-top: 14px;
}

.wallet-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 10px 12px;
}

.wallet-card h3 {
  font-size: 0.8rem;
  color: var(--text);
  margin-bottom: 5px;
}

.wallet-card code {
  display: block;
  font-size: 0.73rem;
  line-height: 1.5;
  color: var(--accent);
  background: var(--code-bg);
  border: 1px solid var(--code-border);
  border-radius: 4px;
  padding: 6px 8px;
  white-space: nowrap;
  overflow-x: auto;
}

.signup-inline-note {
  font-size: 0.78rem;
  color: var(--text-faint);
  margin-top: 11px;
}

@media (max-width: 880px) {
  .signup-grid { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
  .wallet-grid { grid-template-columns: 1fr; }
}



.docs-wrapper {
  display: grid;
  grid-template-columns: 230px 1fr;
  gap: 40px;
  align-items: start;
  padding: 36px 0 80px;
  max-width: var(--max-w);
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}

.docs-sidebar {
  position: sticky;
  top: calc(var(--nav-h) + 18px);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  font-size: 0.84rem;
}
.sidebar-group {
  padding: 5px 0;
  border-bottom: 1px solid var(--border-soft);
}
.sidebar-group:last-child { border-bottom: none; }
.sidebar-group-label {
  padding: 8px 14px 4px;
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-faint);
  font-weight: 800;
}
.docs-sidebar a {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 7px 14px;
  color: var(--text-muted);
  font-size: 0.83rem;
  border-left: 2px solid transparent;
  transition: all var(--transition);
}
.docs-sidebar a:hover,
.docs-sidebar a.active {
  color: var(--text);
  background: var(--accent-glow);
  border-left-color: var(--accent);
}

.docs-sidebar a .s-icon {
  opacity: 0.5;
  font-size: 0.85rem;
  width: 16px;
  text-align: center;
}
.docs-sidebar a.active .s-icon { opacity: 1; }

.docs-content h1 {
  font-size: 2rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.03em;
  margin-bottom: 12px;
}
.docs-content .doc-lead {
  font-size: 1.03rem;
  color: var(--text-muted);
  line-height: 1.72;
  margin-bottom: 36px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--border-soft);
}
.docs-content h2 {
  font-size: 1.25rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.02em;
  margin: 38px 0 12px;
}
.docs-content h3 {
  font-size: 0.97rem;
  font-weight: 700;
  color: var(--text);
  margin: 22px 0 9px;
}
.docs-content p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.75;
  margin-bottom: 14px;
}
.docs-content ul, .docs-content ol {
  padding-left: 22px;
  margin-bottom: 16px;
}
.docs-content li {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 5px;
}


.endpoint-box {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--code-bg);
  border: 1px solid var(--code-border);
  border-radius: var(--radius);
  padding: 11px 16px;
  margin-bottom: 22px;
  overflow-x: auto;
}
.http-method {
  background: var(--accent);
  color: var(--bg);
  font-size: 0.68rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  padding: 2px 8px;
  border-radius: 3px;
  flex-shrink: 0;
  font-family: 'SF Mono', 'Fira Code', monospace;
}
.http-method.post { background: var(--cta); }
.endpoint-url {
  font-size: 0.83rem;
  font-family: 'SF Mono', 'Fira Code', monospace;
  color: #8ab8d4;
  white-space: nowrap;
}


.param-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 26px;
  font-size: 0.84rem;
}
.param-table th {
  text-align: left;
  padding: 8px 12px;
  color: var(--text-faint);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  border-bottom: 1px solid var(--border);
  font-weight: 700;
}
.param-table td {
  padding: 9px 12px;
  border-bottom: 1px solid var(--border-soft);
  color: var(--text-muted);
  vertical-align: top;
  line-height: 1.5;
}
.param-table tr:last-child td { border-bottom: none; }
.param-table code {
  background: var(--code-bg);
  border: 1px solid var(--code-border);
  padding: 1px 5px;
  border-radius: 3px;
  font-size: 0.8rem;
  color: var(--accent);
}
.badge-req {
  background: rgba(26, 185, 214, 0.1);
  color: var(--accent);
  font-size: 0.65rem;
  font-weight: 800;
  padding: 1px 6px;
  border-radius: 3px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.badge-opt {
  background: rgba(55, 80, 106, 0.3);
  color: var(--text-faint);
  font-size: 0.65rem;
  font-weight: 800;
  padding: 1px 6px;
  border-radius: 3px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}


.code-block {
  background: var(--code-bg);
  border: 1px solid var(--code-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 22px;
}
.code-block-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 14px;
  background: var(--surface);
  border-bottom: 1px solid var(--border-soft);
}
.code-lang {
  font-size: 0.7rem;
  color: var(--text-faint);
  font-family: 'SF Mono', 'Fira Code', monospace;
  letter-spacing: 0.04em;
}
.code-block pre {
  padding: 16px 18px;
  font-size: 0.8rem;
  line-height: 1.82;
  overflow-x: auto;
  color: var(--text-muted);
}


.error-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.84rem;
}
.error-table th {
  text-align: left;
  padding: 8px 12px;
  border-bottom: 1px solid var(--border);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: var(--text-faint);
  font-weight: 700;
}
.error-table td {
  padding: 9px 12px;
  border-bottom: 1px solid var(--border-soft);
  color: var(--text-muted);
  vertical-align: top;
  line-height: 1.5;
}
.error-table tr:last-child td { border-bottom: none; }
.e-code { font-family: 'SF Mono', 'Fira Code', monospace; color: var(--accent); font-weight: 600; }
.e-http { font-family: 'SF Mono', 'Fira Code', monospace; color: var(--cta); }


.note {
  background: var(--accent-glow);
  border: 1px solid rgba(26, 185, 214, 0.2);
  border-radius: var(--radius);
  padding: 11px 15px;
  font-size: 0.86rem;
  color: var(--text);
  margin-bottom: 18px;
  line-height: 1.65;
}
.note strong { color: var(--accent); }
.note.warn {
  background: rgba(232, 129, 10, 0.08);
  border-color: rgba(232, 129, 10, 0.25);
}
.note.warn strong { color: var(--cta); }

@media (max-width: 820px) {
  .docs-wrapper { grid-template-columns: 1fr; padding-top: 24px; }
  .docs-sidebar { position: static; }
}



.about-content {
  max-width: 720px;
}
.about-content h2 {
  font-size: 1.35rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.02em;
  margin: 40px 0 12px;
}
.about-content h2:first-of-type { margin-top: 0; }
.about-content p {
  font-size: 0.93rem;
  color: var(--text-muted);
  line-height: 1.78;
  margin-bottom: 14px;
}
.about-content ul {
  padding-left: 22px;
  margin-bottom: 16px;
}
.about-content li {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 6px;
}

.data-sources-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-top: 24px;
}
.data-source-item {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 18px;
}
.data-source-item h4 {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 4px;
}
.data-source-item p {
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.55;
  margin-bottom: 0;
}

@media (max-width: 600px) {
  .data-sources-grid { grid-template-columns: 1fr; }
}



.docs-api-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-top: 36px;
}
.docs-api-item {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 22px 22px 18px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: background var(--transition), border-color var(--transition);
}
.docs-api-item:hover {
  background: var(--card-hover);
  border-color: var(--accent-dim);
}
.docs-api-item-head {
  display: flex;
  align-items: center;
  gap: 11px;
}
.docs-api-item-icon {
  font-size: 1.1rem;
  width: 34px;
  height: 34px;
  background: var(--accent-glow);
  border: 1px solid rgba(26, 185, 214, 0.2);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.docs-api-item h3 {
  font-size: 0.95rem;
  font-weight: 700;
  color: #fff;
}
.docs-api-item p {
  font-size: 0.84rem;
  color: var(--text-muted);
  line-height: 1.6;
  flex: 1;
}
.docs-api-item-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}
.docs-tag {
  font-size: 0.68rem;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text-faint);
  padding: 2px 7px;
  border-radius: 3px;
  font-family: 'SF Mono', 'Fira Code', monospace;
}

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



.site-footer {
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding: 52px 0 28px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  margin-bottom: 30px;
  border-bottom: 1px solid var(--border-soft);
}
.footer-brand-logo {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 12px;
}
.footer-brand p {
  font-size: 0.84rem;
  color: var(--text-muted);
  line-height: 1.65;
  max-width: 240px;
  margin-bottom: 16px;
}
.footer-col h4 {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-faint);
  font-weight: 800;
  margin-bottom: 14px;
}
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 9px; }
.footer-col ul li a {
  font-size: 0.86rem;
  color: var(--text-muted);
  transition: color var(--transition);
}
.footer-col ul li a:hover { color: var(--text); }
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-bottom p {
  font-size: 0.78rem;
  color: var(--text-faint);
}
.footer-crypto-row {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}
.footer-crypto-tag {
  font-size: 0.72rem;
  background: var(--card);
  border: 1px solid var(--border);
  color: var(--text-faint);
  padding: 3px 8px;
  border-radius: 3px;
  font-family: 'SF Mono', 'Fira Code', monospace;
}

@media (max-width: 860px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
}
@media (max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
}



.text-center { text-align: center; }
.text-accent  { color: var(--accent); }
.text-muted   { color: var(--text-muted); }
.block { display: block; }

.mt-8  { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mt-32 { margin-top: 32px; }
.mt-48 { margin-top: 48px; }
.mb-0  { margin-bottom: 0 !important; }

.inline-code {
  background: var(--code-bg);
  border: 1px solid var(--code-border);
  padding: 1px 6px;
  border-radius: 3px;
  font-size: 0.85em;
  color: var(--accent);
  font-family: 'SF Mono', 'Fira Code', monospace;
}

hr.doc-hr {
  border: none;
  border-top: 1px solid var(--border-soft);
  margin: 32px 0;
}


/* ── Auth / form styles ──────────────────────────────────── */
.auth-wrap {
  max-width: 900px;
  margin: 0 auto;
}

.form-stack {
  display: flex;
  flex-direction: column;
  margin-top: 8px;
}

.field-label {
  display: block;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: 0.04em;
  margin-top: 14px;
  margin-bottom: 5px;
}

.input-control {
  display: block;
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-size: 0.88rem;
  padding: 9px 12px;
  outline: none;
  box-sizing: border-box;
  transition: border-color var(--transition);
  font-family: inherit;
}

.input-control:focus {
  border-color: var(--accent);
}

.input-control[type="number"] {
  -moz-appearance: textfield;
}

.form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

/* ── Flash messages ──────────────────────────────────────── */
.flash {
  padding: 11px 16px;
  border-radius: var(--radius);
  font-size: 0.875rem;
  margin-bottom: 14px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text-muted);
}

.flash-success {
  background: rgba(26, 185, 214, 0.08);
  border-color: rgba(26, 185, 214, 0.28);
  color: var(--accent);
}

.flash-error {
  background: rgba(220, 53, 69, 0.1);
  border-color: rgba(220, 53, 69, 0.32);
  color: #f08090;
}

.flash-info {
  background: rgba(232, 129, 10, 0.1);
  border-color: rgba(232, 129, 10, 0.32);
  color: var(--cta);
}

/* ── Account KPI grid ────────────────────────────────────── */
.account-kpi-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 24px;
}

.kpi-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px 18px;
}

.kpi-card h3 {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-faint);
  font-weight: 700;
  margin-bottom: 8px;
}

.kpi-card p {
  font-size: 1.6rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.03em;
  line-height: 1;
}

/* ── Key management table ────────────────────────────────── */
.inline-form {
  display: inline;
}

.table-input {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-size: 0.8rem;
  padding: 4px 8px;
  width: 90px;
  box-sizing: border-box;
  font-family: inherit;
}

.key-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
}

.btn-sm {
  padding: 4px 10px !important;
  font-size: 0.74rem !important;
  line-height: 1.4;
}

/* ── Status chips ────────────────────────────────────────── */
.status-chip {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.status-active {
  background: rgba(26, 185, 214, 0.12);
  color: var(--accent);
  border: 1px solid rgba(26, 185, 214, 0.3);
}

.status-disabled {
  background: rgba(255, 180, 0, 0.1);
  color: #f0b840;
  border: 1px solid rgba(255, 180, 0, 0.28);
}

.status-deleted {
  background: rgba(220, 53, 69, 0.1);
  color: #f08090;
  border: 1px solid rgba(220, 53, 69, 0.28);
}

@media (max-width: 880px) {
  .account-kpi-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 600px) {
  .account-kpi-grid { grid-template-columns: 1fr; }
}