:root {
  --bg: #07080d;
  --bg2: #0e1118;
  --card: #12151f;
  --border: #1e2433;
  --text: #e8eaef;
  --muted: #8b93a7;
  --accent: #3dd68c;
  --accent2: #2a9fd6;
  --purple: #7c5cff;
  --danger: #ff6b6b;
  --radius: 14px;
  --font: "Segoe UI", system-ui, -apple-system, sans-serif;
  --mono: "Cascadia Code", "Consolas", monospace;
  --glow-border: rgba(61, 214, 140, 0.32);
  --glow-border-soft: rgba(61, 214, 140, 0.18);
  --glow-shadow: 0 0 28px rgba(61, 214, 140, 0.1);
  --glow-shadow-strong: 0 0 36px rgba(61, 214, 140, 0.2);
  --glow-inset: inset 0 1px 0 rgba(61, 214, 140, 0.07);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
}

a { color: var(--accent2); text-decoration: none; }
a:hover { text-decoration: underline; }

.container { max-width: 1120px; margin: 0 auto; padding: 0 24px; }

/* Nav */
.nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(7,8,13,.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--glow-border-soft);
  box-shadow: 0 4px 28px rgba(61, 214, 140, 0.06);
}
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 64px;
}
.logo {
  font-weight: 800; font-size: 1.25rem;
  display: flex; align-items: center; gap: 10px;
  color: var(--text);
}
.logo-icon { display: block; flex-shrink: 0; }
.logo span { color: var(--accent); }
.nav-links { display: flex; gap: 28px; align-items: center; }
.nav-links a { color: var(--muted); font-size: .95rem; }
.nav-links a:hover { color: var(--text); text-decoration: none; }
.nav-actions { display: flex; gap: 10px; align-items: center; }
.nav-logged-in.hidden, .hidden { display: none !important; }
.nav-payg {
  font-size: .72rem; font-weight: 700; letter-spacing: .06em;
  color: var(--accent); border: 1px solid var(--glow-border);
  padding: 6px 10px; border-radius: 999px; font-family: var(--mono);
  box-shadow: 0 0 16px rgba(61, 214, 140, 0.15);
}
.btn-nav-sm { padding: 8px 14px; font-size: .85rem; }
.btn-add-credit {
  box-shadow: 0 0 24px rgba(61, 214, 140, 0.4), 0 0 48px rgba(61, 214, 140, 0.12);
  font-weight: 700;
}

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 10px 18px; border-radius: 10px; font-weight: 600;
  font-size: .9rem; border: none; cursor: pointer; transition: .15s;
}
.btn-ghost {
  background: transparent; color: var(--text);
  border: 1px solid var(--glow-border-soft);
  box-shadow: var(--glow-shadow);
}
.btn-ghost:hover {
  border-color: var(--glow-border);
  box-shadow: var(--glow-shadow-strong);
}
.btn-primary {
  background: linear-gradient(135deg, var(--accent), #2eb872);
  color: #04120a;
  box-shadow: 0 0 22px rgba(61, 214, 140, 0.35);
}
.btn-primary:hover {
  filter: brightness(1.08);
  box-shadow: 0 0 30px rgba(61, 214, 140, 0.45);
}

/* Hero */
.hero {
  padding: 72px 0 48px;
  text-align: center;
  background: radial-gradient(ellipse 80% 60% at 50% -20%, rgba(61,214,140,.12), transparent),
              radial-gradient(ellipse 60% 40% at 80% 0%, rgba(124,92,255,.08), transparent);
}
.badge {
  display: inline-block;
  padding: 6px 14px; border-radius: 999px;
  background: rgba(61,214,140,.12);
  color: var(--accent); font-size: .8rem; font-weight: 600;
  border: 1px solid rgba(61,214,140,.25);
  margin-bottom: 20px;
}
.hero h1 {
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 800; line-height: 1.15;
  max-width: 720px; margin: 0 auto 16px;
}
.hero p {
  color: var(--muted); font-size: 1.1rem;
  max-width: 640px; margin: 0 auto 32px;
}
.hero-cta { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

.stats-row {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 16px; margin: 48px auto 0; max-width: 900px;
}
.stat-card {
  background: var(--card); border: 1px solid var(--glow-border-soft);
  border-radius: var(--radius); padding: 20px; text-align: center;
  box-shadow: var(--glow-shadow), var(--glow-inset);
}
.stat-card .val { font-size: 1.5rem; font-weight: 700; color: var(--accent); }
.stat-card .lbl { font-size: .8rem; color: var(--muted); margin-top: 4px; }
.lbl-hint { font-size: .7rem; opacity: .85; }

/* Sections */
section { padding: 64px 0; }
section h2 {
  font-size: 1.75rem; font-weight: 700;
  margin-bottom: 12px; text-align: center;
}
.section-sub {
  text-align: center; color: var(--muted);
  max-width: 560px; margin: 0 auto 40px;
}

/* Pricing */
.pricing-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 20px; max-width: 800px; margin: 0 auto;
}
.price-card {
  background: var(--card); border: 1px solid var(--glow-border-soft);
  border-radius: var(--radius); padding: 32px;
  box-shadow: var(--glow-shadow), var(--glow-inset);
}
.price-card.featured {
  border-color: var(--glow-border);
  box-shadow: var(--glow-shadow-strong), 0 0 48px rgba(61, 214, 140, 0.08), var(--glow-inset);
}
.price-card h3 { font-size: 1.1rem; margin-bottom: 8px; }
.price-card .amount {
  font-size: 2.5rem; font-weight: 800;
  color: var(--accent); margin: 12px 0;
}
.price-card .amount small { font-size: 1rem; color: var(--muted); font-weight: 500; }
.price-card ul { list-style: none; margin: 20px 0; }
.price-card li {
  padding: 8px 0; color: var(--muted); font-size: .9rem;
  border-bottom: 1px solid var(--border);
}
.price-card li::before { content: "✓ "; color: var(--accent); }
.price-card.disabled { opacity: .55; }

/* Capabilities */
.cap-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px;
}
.cap-card {
  background: var(--card); border: 1px solid var(--glow-border-soft);
  border-radius: var(--radius); padding: 24px;
  box-shadow: var(--glow-shadow), var(--glow-inset);
  transition: border-color .2s, box-shadow .2s;
}
.cap-card:hover {
  border-color: var(--glow-border);
  box-shadow: var(--glow-shadow-strong), var(--glow-inset);
}
.cap-card h3 { font-size: 1rem; margin-bottom: 8px; }
.cap-card p { color: var(--muted); font-size: .9rem; }

/* Pipeline */
.steps {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
  max-width: 900px; margin: 0 auto;
}
.step {
  text-align: center; padding: 24px;
}
.step-num {
  width: 40px; height: 40px; border-radius: 50%;
  background: var(--accent); color: #04120a;
  font-weight: 800; display: flex; align-items: center;
  justify-content: center; margin: 0 auto 16px;
}
.step h3 { margin-bottom: 8px; }
.step p { color: var(--muted); font-size: .9rem; }

/* Docs */
.docs-wrap {
  background: var(--card); border: 1px solid var(--glow-border-soft);
  border-radius: var(--radius); overflow: hidden;
  box-shadow: var(--glow-shadow), var(--glow-inset);
}
.doc-tabs {
  display: flex; border-bottom: 1px solid var(--border);
  background: var(--bg2);
}
.doc-tab {
  padding: 14px 24px; cursor: pointer;
  color: var(--muted); font-weight: 600; font-size: .9rem;
  border-bottom: 2px solid transparent;
}
.doc-tab.active { color: var(--accent); border-bottom-color: var(--accent); }
.doc-tab.soon { opacity: .5; }
.doc-body { padding: 24px; }
.doc-endpoint {
  font-family: var(--mono); font-size: .85rem;
  color: var(--accent2); margin-bottom: 16px;
}
.lang-tabs { display: flex; gap: 8px; margin-bottom: 12px; flex-wrap: wrap; }
.lang-tab {
  padding: 6px 12px; border-radius: 8px;
  background: var(--bg2); border: 1px solid var(--border);
  color: var(--muted); cursor: pointer; font-size: .8rem;
}
.lang-tab.active { color: var(--text); border-color: var(--accent); }
.code-block {
  background: #0a0c12; border: 1px solid var(--glow-border-soft);
  border-radius: 10px; padding: 16px; position: relative;
  font-family: var(--mono); font-size: .78rem;
  line-height: 1.5; overflow-x: auto; white-space: pre;
  color: #c9d1d9;
  box-shadow: inset 0 0 20px rgba(61, 214, 140, 0.04);
}
.copy-btn {
  position: absolute; top: 10px; right: 10px;
  padding: 4px 10px; font-size: .75rem;
  background: var(--border); color: var(--muted);
  border: none; border-radius: 6px; cursor: pointer;
}
.copy-btn:hover { color: var(--text); }
.param-table { width: 100%; margin-top: 20px; font-size: .85rem; }
.param-table td, .param-table th {
  padding: 10px 12px; border-bottom: 1px solid var(--border);
  text-align: left;
}
.param-table th { color: var(--muted); font-weight: 500; }
.param-table code { color: var(--accent2); }

/* FAQ */
.faq-list { max-width: 720px; margin: 0 auto; }
.faq-item {
  border: 1px solid var(--glow-border-soft); border-radius: var(--radius);
  margin-bottom: 10px; overflow: hidden;
  box-shadow: var(--glow-shadow);
}
.faq-q {
  padding: 16px 20px; cursor: pointer; font-weight: 600;
  display: flex; justify-content: space-between;
}
.faq-a {
  padding: 0 20px 16px; color: var(--muted); font-size: .9rem;
  display: none; line-height: 1.65;
}
.faq-a a { color: var(--accent2); }
.faq-a a:hover { color: var(--accent); }
.faq-item.open .faq-a { display: block; }

/* Footer */
.footer {
  border-top: 1px solid var(--border);
  padding: 40px 0; margin-top: 40px;
  text-align: center; color: var(--muted); font-size: .85rem;
}
.footer-links { display: flex; gap: 24px; justify-content: center; margin-bottom: 16px; }

/* Modal */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,.7);
  display: none; align-items: center; justify-content: center;
  z-index: 200; padding: 20px;
}
.modal-overlay.open { display: flex; }
.modal {
  background: var(--card);
  border: 1px solid var(--glow-border);
  border-radius: var(--radius); padding: 32px;
  max-width: 440px; width: 100%;
  box-shadow: var(--glow-shadow-strong), 0 24px 56px rgba(0, 0, 0, 0.45), var(--glow-inset);
}
.modal-wide { max-width: 520px; }
.modal-sub { color: var(--muted); font-size: .9rem; margin-bottom: 16px; }
.modal h3 { margin-bottom: 12px; }
.modal p { color: var(--muted); font-size: .9rem; margin-bottom: 20px; }
.modal input {
  width: 100%; padding: 12px; border-radius: 8px;
  border: 1px solid var(--glow-border-soft); background: var(--bg2);
  color: var(--text); margin-bottom: 12px;
  box-shadow: inset 0 0 12px rgba(61, 214, 140, 0.03);
  transition: border-color .2s, box-shadow .2s;
}
.modal input:focus {
  outline: none;
  border-color: var(--glow-border);
  box-shadow: 0 0 0 3px rgba(61, 214, 140, 0.1), 0 0 20px rgba(61, 214, 140, 0.15);
}
.modal-close {
  float: right; background: none; border: none;
  color: var(--muted); font-size: 1.2rem; cursor: pointer;
}

.toast {
  position: fixed; bottom: 24px; left: 50%;
  transform: translateX(-50%) translateY(80px);
  background: var(--card); border: 1px solid var(--accent);
  color: var(--text); padding: 12px 20px; border-radius: 10px;
  font-size: .9rem; z-index: 300; opacity: 0;
  transition: transform .25s, opacity .25s;
  pointer-events: none; max-width: 90vw;
}
.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.faq-q { cursor: pointer; user-select: none; }
.faq-item.open .faq-q span { transform: rotate(45deg); display: inline-block; }

.pay-plans, .pay-topup { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-bottom: 16px; }
.pay-plan-btn, .pay-crypto-btn {
  padding: 12px 14px; border-radius: 10px;
  border: 1px solid var(--glow-border-soft); background: var(--bg2);
  color: var(--text); cursor: pointer; text-align: left;
  font-size: .85rem; transition: .15s;
  box-shadow: var(--glow-shadow);
}
.pay-plan-btn:hover, .pay-crypto-btn:hover {
  border-color: var(--glow-border);
  box-shadow: var(--glow-shadow-strong);
}
.pay-plan-btn strong { display: block; color: var(--accent); font-size: 1rem; }
.pay-label { font-size: .8rem; color: var(--muted); margin-bottom: 8px; }
.pay-crypto-grid { display: grid; gap: 8px; margin-bottom: 12px; }
.pay-back { width: 100%; margin-top: 8px; }
.pay-detail {
  display: flex; justify-content: space-between; align-items: flex-start;
  gap: 12px; padding: 10px 0; border-bottom: 1px solid var(--border);
  font-size: .85rem;
}
.pay-detail span:first-child { color: var(--muted); flex-shrink: 0; }
.pay-detail code { font-family: var(--mono); font-size: .78rem; word-break: break-all; }
.pay-addr { max-width: 280px; }
.pay-status { color: var(--accent); font-weight: 600; }
.pay-key-box {
  background: #0a0c12; border: 1px solid var(--glow-border);
  border-radius: 10px; padding: 16px; word-break: break-all;
  font-family: var(--mono); font-size: .8rem;
  box-shadow: 0 0 24px rgba(61, 214, 140, 0.12), inset 0 0 16px rgba(61, 214, 140, 0.05);
}

.pay-custom { margin-top: 8px; }
.pay-min { color: var(--muted); font-weight: 400; }
.pay-custom-row {
  display: flex; align-items: center; gap: 8px;
}
.pay-dollar {
  color: var(--accent); font-weight: 700; font-size: 1.1rem;
}
.pay-custom-row input {
  flex: 1; padding: 12px; border-radius: 8px;
  border: 1px solid var(--border); background: var(--bg2);
  color: var(--text); font-size: 1rem; min-width: 0;
}
.pay-custom-row .btn { flex-shrink: 0; padding: 12px 16px; }
.pay-custom-hint {
  font-size: .8rem; color: var(--muted); margin-top: 8px;
}

.pay-qr-wrap {
  text-align: center; margin: 0 auto 16px;
  padding: 12px; background: #fff; border-radius: 12px;
  max-width: 220px;
}
.pay-qr-wrap img { display: block; margin: 0 auto; border-radius: 8px; }
.pay-qr-hint {
  font-size: .75rem; color: #555; margin-top: 8px;
}

#pay-check-btn:disabled { opacity: .6; cursor: not-allowed; }

.add-credit-title {
  display: flex; align-items: center; gap: 10px;
  font-size: 1.15rem; margin-bottom: 8px;
}
.add-credit-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--accent); box-shadow: 0 0 8px var(--accent);
  flex-shrink: 0;
}
.pay-label-mono {
  font-family: var(--mono); font-size: .7rem;
  letter-spacing: .06em; text-transform: uppercase;
  color: var(--muted); opacity: .85;
}
.pay-amount-row { margin-bottom: 4px; }
.pay-amount-input {
  width: 100%; padding: 14px 16px;
  border-radius: 10px; border: 2px solid var(--glow-border);
  background: var(--bg2); color: var(--text);
  font-size: 1.1rem; font-weight: 600;
  box-shadow: 0 0 28px rgba(61, 214, 140, 0.18), inset 0 0 14px rgba(61, 214, 140, 0.05);
}
.pay-email-input {
  width: 100%; padding: 12px 14px;
  border-radius: 10px; border: 1px solid var(--glow-border-soft);
  background: var(--bg2); color: var(--text);
  margin-bottom: 16px;
  box-shadow: var(--glow-shadow);
  transition: border-color .2s, box-shadow .2s;
}
.pay-email-input:focus {
  outline: none;
  border-color: var(--glow-border);
  box-shadow: 0 0 0 3px rgba(61, 214, 140, 0.1), 0 0 20px rgba(61, 214, 140, 0.15);
}
.turnstile-wrap-main {
  display: flex; justify-content: center;
  margin: 16px 0; min-height: 65px;
  padding: 12px;
  border: 1px dashed var(--glow-border-soft);
  border-radius: 12px;
  background: rgba(61, 214, 140, 0.03);
  box-shadow: inset 0 0 24px rgba(61, 214, 140, 0.04);
}
.pay-hint-accent strong, .pay-hint-accent { color: var(--muted); }
.pay-hint-accent strong { color: var(--accent); }
.btn-checkout {
  width: 100%; margin-top: 4px;
  padding: 16px; font-size: 1rem; font-weight: 700;
  box-shadow: 0 0 28px rgba(61, 214, 140, 0.35), 0 4px 20px rgba(61, 214, 140, 0.2);
}
.btn-checkout:disabled {
  opacity: .5; cursor: not-allowed;
  box-shadow: none;
}
.pay-footer-note {
  margin-top: 12px; font-size: .72rem;
  font-family: var(--mono); color: var(--muted);
  text-align: center; line-height: 1.5;
}
.pay-more-options {
  margin-top: 20px; border-top: 1px solid var(--border);
  padding-top: 12px;
}
.pay-more-options summary {
  cursor: pointer; color: var(--muted);
  font-size: .85rem; margin-bottom: 12px;
  user-select: none;
}

/* Account modal */
.modal-account {
  max-width: 480px; padding: 28px 28px 24px;
  border-color: var(--glow-border);
  box-shadow: var(--glow-shadow-strong), 0 24px 56px rgba(0, 0, 0, 0.45), var(--glow-inset);
}
.account-head {
  display: flex; align-items: center; gap: 10px;
  margin-bottom: 20px; flex-wrap: wrap;
}
.account-head h3 { margin: 0; flex: 1; }
.account-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--accent); box-shadow: 0 0 8px var(--accent);
}
.account-live {
  font-size: .65rem; font-weight: 700; letter-spacing: .08em;
  color: var(--accent); display: flex; align-items: center; gap: 6px;
  font-family: var(--mono);
}
.live-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent);
  animation: live-pulse 1.5s ease-in-out infinite;
}
@keyframes live-pulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(61, 214, 140, .5); }
  50% { opacity: .7; box-shadow: 0 0 8px 2px rgba(61, 214, 140, .35); }
}
.account-grid { display: flex; flex-direction: column; gap: 0; }
.account-row {
  display: flex; justify-content: space-between; align-items: center;
  gap: 16px; padding: 14px 0;
  border-bottom: 1px solid var(--border);
  font-size: .82rem;
}
.account-row span {
  color: var(--muted); font-size: .68rem;
  letter-spacing: .08em; text-transform: uppercase;
  font-family: var(--mono); flex-shrink: 0;
}
.account-row strong {
  font-family: var(--mono); font-size: .95rem;
  text-align: right; word-break: break-all;
}
.account-row strong.val-accent { color: var(--accent); }
.account-foot {
  display: flex; justify-content: flex-end;
  margin-top: 20px; padding-top: 4px;
}
.login-error {
  color: #ff6b6b; font-size: .85rem;
  margin: -4px 0 12px;
}
.login-error.hidden { display: none; }
.forgot-success {
  color: var(--green);
  font-size: .85rem;
  margin: 8px 0 12px;
}
.forgot-success.hidden { display: none; }
.modal-foot-link {
  margin-top: 16px;
  text-align: center;
  font-size: .85rem;
}
.modal-foot-link a { color: var(--accent); text-decoration: none; }
.modal-foot-link a:hover { text-decoration: underline; }

@media (max-width: 768px) {
  .stats-row, .cap-grid, .steps, .pricing-grid { grid-template-columns: 1fr; }
  .nav-links { display: none; }
}