:root {
  color-scheme: dark;
  --ink: #071117;
  --ink-soft: #0c1b22;
  --panel: #10252e;
  --panel-raised: #15333d;
  --line: rgba(193, 229, 231, 0.16);
  --line-strong: rgba(193, 229, 231, 0.28);
  --text: #eaf7f5;
  --muted: #9cb8ba;
  --quiet: #6f8b8e;
  --accent: #68e2d2;
  --accent-strong: #30c8b5;
  --accent-wash: rgba(104, 226, 210, 0.12);
  --warm: #e2b77b;
  --max: 1180px;
  --display: "Inter", "Segoe UI", sans-serif;
  --body: "Inter", "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--ink); color: var(--text); font-family: var(--body); font-size: 16px; line-height: 1.55; font-feature-settings: "ss01"; }
a { color: inherit; text-decoration: none; }
a:hover { color: var(--accent); }
.skip-link { position: absolute; left: 16px; top: -100px; z-index: 10; padding: 10px 14px; border-radius: 6px; background: var(--accent); color: var(--ink); font-weight: 700; }
.skip-link:focus { top: 16px; }
.section-shell { width: min(calc(100% - 64px), var(--max)); margin-inline: auto; }
.site-header { width: min(calc(100% - 64px), var(--max)); min-height: 76px; margin: 0 auto; display: flex; align-items: center; gap: 28px; border-bottom: 1px solid var(--line); }
.brand, .footer-brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 700; letter-spacing: -0.02em; white-space: nowrap; }
.brand-mark { display: inline-flex; align-items: end; gap: 3px; width: 22px; height: 22px; padding: 4px; border: 1px solid var(--accent); border-radius: 6px; }
.brand-mark span { display: block; width: 3px; border-radius: 3px; background: var(--accent); }
.brand-mark span:nth-child(1) { height: 7px; opacity: .58; }
.brand-mark span:nth-child(2) { height: 11px; opacity: .78; }
.brand-mark span:nth-child(3) { height: 14px; }
.site-nav { display: flex; gap: 24px; margin-left: auto; color: var(--muted); font-size: 14px; }
.site-nav a, .header-link { transition: color .18s ease; }
.header-link { color: var(--accent); font-size: 14px; }
.header-link span { display: inline-block; margin-left: 4px; }
.hero { position: relative; display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(360px, .92fr); gap: 90px; padding-top: 104px; padding-bottom: 112px; }
.hero::before { content: ""; position: absolute; top: 0; left: -12vw; width: 70vw; height: 540px; pointer-events: none; background: radial-gradient(ellipse at 25% 25%, rgba(50, 163, 155, .18), transparent 55%), radial-gradient(ellipse at 70% 0%, rgba(226, 183, 123, .12), transparent 48%); filter: blur(18px); }
.hero-copy, .workflow-card { position: relative; z-index: 1; }
.eyebrow, .section-kicker { margin: 0; color: var(--accent); font-size: 11px; font-weight: 700; letter-spacing: .16em; text-transform: uppercase; }
.eyebrow { display: flex; align-items: center; gap: 8px; }
.status-dot { display: inline-block; width: 7px; height: 7px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 5px var(--accent-wash); }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { font-family: var(--display); }
h1 { max-width: 700px; margin-bottom: 28px; font-size: clamp(48px, 7vw, 82px); font-weight: 300; line-height: .99; letter-spacing: -0.07em; }
.hero-lede { max-width: 600px; margin-bottom: 14px; color: var(--text); font-size: clamp(19px, 2.2vw, 24px); line-height: 1.35; letter-spacing: -0.03em; }
.hero-detail { max-width: 560px; margin-bottom: 34px; color: var(--muted); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.button { display: inline-flex; min-height: 44px; align-items: center; gap: 10px; padding: 11px 17px; border: 1px solid var(--line-strong); border-radius: 999px; font-size: 14px; font-weight: 700; transition: background .18s ease, border-color .18s ease, transform .18s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { border-color: var(--accent); background: var(--accent); color: var(--ink); }
.button-primary:hover { background: #8df0e2; color: var(--ink); }
.button-quiet { color: var(--muted); }
.button-quiet:hover { border-color: var(--accent); color: var(--accent); }
.workflow-card { align-self: center; padding: 26px; border: 1px solid var(--line-strong); background: linear-gradient(150deg, rgba(21, 51, 61, .92), rgba(7, 17, 23, .92)); box-shadow: 0 24px 70px rgba(0, 0, 0, .25); }
.card-topline, .card-foot { display: flex; align-items: center; justify-content: space-between; color: var(--quiet); font-size: 10px; font-weight: 700; letter-spacing: .14em; }
.card-id { color: var(--accent); }
.workflow-title { margin-top: 34px; font-family: var(--display); font-size: 27px; font-weight: 300; letter-spacing: -0.04em; }
.workflow-caption { margin: 5px 0 25px; color: var(--muted); font-size: 14px; }
.workflow-list { display: grid; gap: 0; margin: 0; padding: 0; list-style: none; }
.workflow-step { display: grid; grid-template-columns: 38px 1fr auto; align-items: center; gap: 10px; min-height: 67px; border-top: 1px solid var(--line); }
.step-index { color: var(--quiet); font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: 11px; }
.step-body { display: grid; gap: 1px; }
.step-body strong { font-size: 14px; }
.step-body small { color: var(--muted); font-size: 12px; }
.step-state { color: var(--quiet); font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: 9px; letter-spacing: .1em; }
.is-complete .step-state { color: var(--accent); }
.is-active { background: linear-gradient(90deg, var(--accent-wash), transparent); }
.is-active .step-index, .is-active .step-state { color: var(--warm); }
.card-foot { justify-content: flex-start; gap: 8px; padding-top: 20px; border-top: 1px solid var(--line); }
.pulse-line { width: 24px; height: 1px; background: var(--accent); box-shadow: 6px 0 0 -0.2px var(--accent), 12px 0 0 -0.2px rgba(104, 226, 210, .45); }
.signal-strip { display: grid; grid-template-columns: .7fr 1.3fr; gap: 60px; padding-bottom: 112px; }
.signal-intro h2, .section-heading h2, .workflow-band h2, .legal-band h2 { max-width: 420px; margin: 16px 0 0; font-size: clamp(28px, 4vw, 46px); font-weight: 300; line-height: 1.05; letter-spacing: -0.055em; }
.signal-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.signal-card { min-height: 190px; padding: 21px; border-top: 1px solid var(--line-strong); background: rgba(16, 37, 46, .52); }
.signal-number { color: var(--accent); font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: 11px; }
.signal-card h3 { margin: 37px 0 8px; font-size: 18px; font-weight: 400; letter-spacing: -0.03em; }
.signal-card p { margin-bottom: 0; color: var(--muted); font-size: 13px; line-height: 1.55; }
.split-section { display: grid; grid-template-columns: .8fr 1.2fr; gap: 90px; padding-block: 104px; border-top: 1px solid var(--line); }
.section-heading > p { max-width: 460px; margin-top: 24px; color: var(--muted); }
.detail-list { border-top: 1px solid var(--line-strong); }
.detail-row { display: grid; grid-template-columns: 125px 1fr; gap: 24px; padding: 22px 0; border-bottom: 1px solid var(--line); }
.detail-label { color: var(--accent); font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: 11px; letter-spacing: .04em; text-transform: uppercase; }
.detail-row strong { font-size: 16px; font-weight: 600; }
.detail-row p { margin: 5px 0 0; color: var(--muted); font-size: 14px; }
.detail-row a { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; }
.workflow-band { border-block: 1px solid var(--line); background: var(--ink-soft); }
.workflow-band-inner { display: grid; grid-template-columns: .8fr 1.2fr; gap: 90px; align-items: center; padding-block: 104px; }
.workflow-band p, .legal-band p { max-width: 480px; margin-top: 23px; color: var(--muted); }
.route-map { display: grid; grid-template-columns: 1fr auto 1fr auto 1fr; align-items: center; gap: 14px; }
.route-node { display: grid; gap: 5px; padding: 18px 14px; border: 1px solid var(--line-strong); background: var(--panel); }
.route-node-accent { border-color: rgba(104, 226, 210, .5); background: var(--accent-wash); }
.route-icon { display: grid; width: 24px; height: 24px; place-items: center; border: 1px solid var(--accent); color: var(--accent); font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: 11px; }
.route-node strong { font-size: 13px; }
.route-node small { color: var(--muted); font-size: 11px; }
.route-connector { width: 28px; height: 1px; background: var(--accent); opacity: .55; }
.legal-band { display: grid; grid-template-columns: 1fr 1fr; gap: 90px; padding-block: 104px; }
.legal-links { border-top: 1px solid var(--line-strong); }
.legal-links a { display: flex; align-items: center; justify-content: space-between; padding: 20px 0; border-bottom: 1px solid var(--line); color: var(--text); font-size: 15px; }
.legal-links a span:last-child { color: var(--accent); }
.site-footer { display: grid; grid-template-columns: 1fr 1fr auto; align-items: center; gap: 28px; min-height: 110px; border-top: 1px solid var(--line); color: var(--quiet); font-size: 12px; }
.site-footer p { margin: 0; }
.footer-meta { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 16px; }
.footer-meta a { color: var(--muted); }
.legal-page { max-width: 860px; padding-block: 96px 112px; }
.legal-page h1 { max-width: none; margin: 18px 0 20px; font-size: clamp(44px, 6vw, 68px); }
.legal-lede { max-width: 680px; margin-bottom: 14px; color: var(--muted); font-size: 20px; line-height: 1.45; }
.last-updated { color: var(--quiet); font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: 11px; }
.legal-content { margin-top: 56px; border-top: 1px solid var(--line-strong); }
.legal-content section { padding: 28px 0; border-bottom: 1px solid var(--line); }
.legal-content h2 { margin-bottom: 10px; font-size: 20px; font-weight: 400; letter-spacing: -0.03em; }
.legal-content p { max-width: 720px; margin-bottom: 0; color: var(--muted); }
.legal-content a { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; }
.integration-page { max-width: 980px; }
.integration-steps { margin-top: 58px; border-top: 1px solid var(--line-strong); }
.integration-step { display: grid; grid-template-columns: 70px 1fr; gap: 28px; padding: 28px 0; border-bottom: 1px solid var(--line); }
.integration-step .step-index { color: var(--accent); font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: 11px; padding-top: 4px; }
.integration-step h2, .note-panel h2 { margin: 0 0 10px; font-size: 22px; font-weight: 400; letter-spacing: -0.03em; }
.integration-step p { max-width: 700px; margin: 0; color: var(--muted); }
.provider-table-wrap { margin-top: 70px; }
.provider-table { margin-top: 18px; border-top: 1px solid var(--line-strong); }
.provider-row { display: grid; grid-template-columns: 1.1fr 1fr 2fr; gap: 22px; align-items: start; padding: 18px 0; border-bottom: 1px solid var(--line); color: var(--muted); font-size: 14px; }
.provider-row strong { color: var(--text); font-weight: 600; }
.provider-head { color: var(--quiet); font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: 10px; letter-spacing: .1em; text-transform: uppercase; }
.scope-chip { width: fit-content; padding: 4px 8px; border: 1px solid rgba(104, 226, 210, .32); background: var(--accent-wash); color: var(--accent); font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: 11px; }
.note-panel { margin-top: 58px; padding: 27px; border: 1px solid var(--line-strong); background: var(--panel); }
.note-panel ul { display: grid; gap: 9px; margin: 20px 0 0; padding-left: 19px; color: var(--muted); }
.note-panel li::marker { color: var(--accent); }
.guide-footer { margin-top: 58px; padding-top: 28px; border-top: 1px solid var(--line-strong); }
.guide-footer p:not(.section-kicker) { max-width: 700px; margin: 10px 0 0; color: var(--muted); }
.guide-footer a, .support-page a { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; }
.support-grid-public { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 58px; }
.support-grid-public .note-panel { margin-top: 0; }

@media (max-width: 900px) {
  .hero, .split-section, .workflow-band-inner { grid-template-columns: 1fr; gap: 52px; }
  .hero { padding-top: 78px; }
  .workflow-card { max-width: 640px; }
  .signal-strip { grid-template-columns: 1fr; gap: 32px; }
  .legal-band { grid-template-columns: 1fr; gap: 42px; }
  .site-footer { grid-template-columns: 1fr 1fr; }
  .footer-meta { justify-content: flex-start; }
}

@media (max-width: 640px) {
  .section-shell, .site-header { width: min(calc(100% - 40px), var(--max)); }
  .site-header { min-height: 68px; flex-wrap: wrap; gap: 15px; padding-block: 14px; }
  .site-nav { order: 3; width: 100%; justify-content: space-between; gap: 10px; font-size: 12px; }
  .header-link { margin-left: auto; font-size: 12px; }
  .hero { padding-top: 58px; padding-bottom: 80px; }
  h1 { font-size: clamp(45px, 15vw, 66px); }
  .signal-grid { grid-template-columns: 1fr; }
  .signal-strip, .split-section, .workflow-band-inner, .legal-band { padding-block: 76px; }
  .detail-row { grid-template-columns: 1fr; gap: 8px; }
  .integration-step { grid-template-columns: 1fr; gap: 10px; }
  .provider-row { grid-template-columns: 1fr; gap: 7px; }
  .provider-head { display: none; }
  .support-grid-public { grid-template-columns: 1fr; }
  .route-map { grid-template-columns: 1fr; gap: 8px; }
  .route-connector { width: 1px; height: 18px; margin-left: 21px; }
  .site-footer { grid-template-columns: 1fr; gap: 12px; padding-block: 30px; }
  .footer-meta { gap: 12px; }
  .legal-page { padding-block: 68px 80px; }
}

@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; } }